diff options
Diffstat (limited to 'drivers')
153 files changed, 3939 insertions, 5296 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index f8c63410bcbf..52b23471dd69 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c @@ -29,7 +29,6 @@ static u32 acpi_suspend_states[] = { [PM_SUSPEND_ON] = ACPI_STATE_S0, [PM_SUSPEND_STANDBY] = ACPI_STATE_S1, [PM_SUSPEND_MEM] = ACPI_STATE_S3, - [PM_SUSPEND_DISK] = ACPI_STATE_S4, [PM_SUSPEND_MAX] = ACPI_STATE_S5 }; @@ -94,14 +93,6 @@ static int acpi_pm_enter(suspend_state_t pm_state) do_suspend_lowlevel(); break; - case PM_SUSPEND_DISK: - if (acpi_pm_ops.pm_disk_mode == PM_DISK_PLATFORM) - status = acpi_enter_sleep_state(acpi_state); - break; - case PM_SUSPEND_MAX: - acpi_power_off(); - break; - default: return -EINVAL; } @@ -157,12 +148,13 @@ int acpi_suspend(u32 acpi_state) suspend_state_t states[] = { [1] = PM_SUSPEND_STANDBY, [3] = PM_SUSPEND_MEM, - [4] = PM_SUSPEND_DISK, [5] = PM_SUSPEND_MAX }; if (acpi_state < 6 && states[acpi_state]) return pm_suspend(states[acpi_state]); + if (acpi_state == 4) + return hibernate(); return -EINVAL; } @@ -189,6 +181,49 @@ static struct pm_ops acpi_pm_ops = { .finish = acpi_pm_finish, }; +#ifdef CONFIG_SOFTWARE_SUSPEND +static int acpi_hibernation_prepare(void) +{ + return acpi_sleep_prepare(ACPI_STATE_S4); +} + +static int acpi_hibernation_enter(void) +{ + acpi_status status = AE_OK; + unsigned long flags = 0; + + ACPI_FLUSH_CPU_CACHE(); + + local_irq_save(flags); + acpi_enable_wakeup_device(ACPI_STATE_S4); + /* This shouldn't return. If it returns, we have a problem */ + status = acpi_enter_sleep_state(ACPI_STATE_S4); + local_irq_restore(flags); + + return ACPI_SUCCESS(status) ? 0 : -EFAULT; +} + +static void acpi_hibernation_finish(void) +{ + acpi_leave_sleep_state(ACPI_STATE_S4); + acpi_disable_wakeup_device(ACPI_STATE_S4); + + /* reset firmware waking vector */ + acpi_set_firmware_waking_vector((acpi_physical_address) 0); + + if (init_8259A_after_S1) { + printk("Broken toshiba laptop -> kicking interrupts\n"); + init_8259A(0); + } +} + +static struct hibernation_ops acpi_hibernation_ops = { + .prepare = acpi_hibernation_prepare, + .enter = acpi_hibernation_enter, + .finish = acpi_hibernation_finish, +}; +#endif /* CONFIG_SOFTWARE_SUSPEND */ + /* * Toshiba fails to preserve interrupts over S1, reinitialization * of 8259 is needed after S1 resume. @@ -227,14 +262,18 @@ int __init acpi_sleep_init(void) sleep_states[i] = 1; printk(" S%d", i); } - if (i == ACPI_STATE_S4) { - if (sleep_states[i]) - acpi_pm_ops.pm_disk_mode = PM_DISK_PLATFORM; - } } printk(")\n"); pm_set_ops(&acpi_pm_ops); + +#ifdef CONFIG_SOFTWARE_SUSPEND + if (sleep_states[ACPI_STATE_S4]) + hibernation_set_ops(&acpi_hibernation_ops); +#else + sleep_states[ACPI_STATE_S4] = 0; +#endif + return 0; } diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index 5a76e5be61d5..76b45f0b8341 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -60,7 +60,7 @@ acpi_system_write_sleep(struct file *file, state = simple_strtoul(str, NULL, 0); #ifdef CONFIG_SOFTWARE_SUSPEND if (state == 4) { - error = pm_suspend(PM_SUSPEND_DISK); + error = hibernate(); goto Done; } #endif diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 45dbdc14915f..c7219663f2b9 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -435,7 +435,7 @@ config PATA_OPTIDMA help This option enables DMA/PIO support for the later OPTi controllers found on some old motherboards and in some - latops + laptops. If unsure, say N. diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a7950885d18e..fef87dd70d17 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1316,7 +1316,7 @@ void ata_port_flush_task(struct ata_port *ap) spin_unlock_irqrestore(ap->lock, flags); DPRINTK("flush #1\n"); - flush_workqueue(ata_wq); + cancel_work_sync(&ap->port_task.work); /* akpm: seems unneeded */ /* * At this point, if a task is running, it's guaranteed to see @@ -1327,7 +1327,7 @@ void ata_port_flush_task(struct ata_port *ap) if (ata_msg_ctl(ap)) ata_port_printk(ap, KERN_DEBUG, "%s: flush #2\n", __FUNCTION__); - flush_workqueue(ata_wq); + cancel_work_sync(&ap->port_task.work); } spin_lock_irqsave(ap->lock, flags); @@ -6475,9 +6475,9 @@ void ata_port_detach(struct ata_port *ap) /* Flush hotplug task. The sequence is similar to * ata_port_flush_task(). */ - flush_workqueue(ata_aux_wq); + cancel_work_sync(&ap->hotplug_task.work); /* akpm: why? */ cancel_delayed_work(&ap->hotplug_task); - flush_workqueue(ata_aux_wq); + cancel_work_sync(&ap->hotplug_task.work); skip_eh: /* remove the associated SCSI host */ diff --git a/drivers/base/devres.c b/drivers/base/devres.c index e177c9533b6c..e1c0730a3b99 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -101,19 +101,6 @@ static void add_dr(struct device *dev, struct devres_node *node) list_add_tail(&node->entry, &dev->devres_head); } -/** - * devres_alloc - Allocate device resource data - * @release: Release function devres will be associated with - * @size: Allocation size - * @gfp: Allocation flags - * - * allocate devres of @size bytes. The allocated area is zeroed, then - * associated with @release. The returned pointer can be passed to - * other devres_*() functions. - * - * RETURNS: - * Pointer to allocated devres on success, NULL on failure. - */ #ifdef CONFIG_DEBUG_DEVRES void * __devres_alloc(dr_release_t release, size_t size, gfp_t gfp, const char *name) @@ -128,6 +115,19 @@ void * __devres_alloc(dr_release_t release, size_t size, gfp_t gfp, } EXPORT_SYMBOL_GPL(__devres_alloc); #else +/** + * devres_alloc - Allocate device resource data + * @release: Release function devres will be associated with + * @size: Allocation size + * @gfp: Allocation flags + * + * Allocate devres of @size bytes. The allocated area is zeroed, then + * associated with @release. The returned pointer can be passed to + * other devres_*() functions. + * + * RETURNS: + * Pointer to allocated devres on success, NULL on failure. + */ void * devres_alloc(dr_release_t release, size_t size, gfp_t gfp) { struct devres *dr; @@ -416,7 +416,7 @@ static int release_nodes(struct device *dev, struct list_head *first, } /** - * devres_release_all - Release all resources + * devres_release_all - Release all managed resources * @dev: Device to release resources for * * Release all resources associated with @dev. This function is @@ -600,7 +600,7 @@ static int devm_kzalloc_match(struct device *dev, void *res, void *data) } /** - * devm_kzalloc - Managed kzalloc + * devm_kzalloc - Resource-managed kzalloc * @dev: Device to allocate memory for * @size: Allocation size * @gfp: Allocation gfp flags @@ -628,7 +628,7 @@ void * devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) EXPORT_SYMBOL_GPL(devm_kzalloc); /** - * devm_kfree - Managed kfree + * devm_kfree - Resource-managed kfree * @dev: Device this memory belongs to * @p: Memory to free * diff --git a/drivers/base/platform.c b/drivers/base/platform.c index eb84d9d44645..869ff8c00146 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -360,7 +360,7 @@ EXPORT_SYMBOL_GPL(platform_device_unregister); * This function creates a simple platform device that requires minimal * resource and memory management. Canned release function freeing * memory allocated for the device allows drivers using such devices - * to be unloaded iwithout waiting for the last reference to the device + * to be unloaded without waiting for the last reference to the device * to be dropped. * * This interface is primarily intended for use with legacy drivers diff --git a/drivers/base/topology.c b/drivers/base/topology.c index 067a9e8bc377..8d8cdfec6529 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -126,10 +126,13 @@ static int __cpuinit topology_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_UP_PREPARE: + case CPU_UP_PREPARE_FROZEN: rc = topology_add_dev(cpu); break; case CPU_UP_CANCELED: + case CPU_UP_CANCELED_FROZEN: case CPU_DEAD: + case CPU_DEAD_FROZEN: topology_remove_dev(cpu); break; } diff --git a/drivers/block/loop.c b/drivers/block/loop.c index af6d7274a7cc..18cdd8c77626 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -243,17 +243,13 @@ static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec, transfer_result = lo_do_transfer(lo, WRITE, page, offset, bvec->bv_page, bv_offs, size, IV); if (unlikely(transfer_result)) { - char *kaddr; - /* * The transfer failed, but we still write the data to * keep prepare/commit calls balanced. */ printk(KERN_ERR "loop: transfer error block %llu\n", (unsigned long long)index); - kaddr = kmap_atomic(page, KM_USER0); - memset(kaddr + offset, 0, size); - kunmap_atomic(kaddr, KM_USER0); + zero_user_page(page, offset, size, KM_USER0); } flush_dcache_page(page); ret = aops->commit_write(file, page, offset, diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 090796bef78f..069ae39a9cd9 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -366,20 +366,25 @@ static struct disk_attribute pid_attr = { .show = pid_show, }; -static void nbd_do_it(struct nbd_device *lo) +static int nbd_do_it(struct nbd_device *lo) { struct request *req; + int ret; BUG_ON(lo->magic != LO_MAGIC); lo->pid = current->pid; - sysfs_create_file(&lo->disk->kobj, &pid_attr.attr); + ret = sysfs_create_file(&lo->disk->kobj, &pid_attr.attr); + if (ret) { + printk(KERN_ERR "nbd: sysfs_create_file failed!"); + return ret; + } while ((req = nbd_read_stat(lo)) != NULL) nbd_end_request(req); sysfs_remove_file(&lo->disk->kobj, &pid_attr.attr); - return; + return 0; } static void nbd_clear_que(struct nbd_device *lo) @@ -569,7 +574,9 @@ static int nbd_ioctl(struct inode *inode, struct file *file, case NBD_DO_IT: if (!lo->file) return -EINVAL; - nbd_do_it(lo); + error = nbd_do_it(lo); + if (error) + return error; /* on return tidy up in case we have a signal */ /* Forcibly shutdown the socket causing all listeners * to error diff --git a/drivers/block/rd.c b/drivers/block/rd.c index 43d4ebcb3b44..a1512da32410 100644 --- a/drivers/block/rd.c +++ b/drivers/block/rd.c @@ -151,7 +151,7 @@ static int ramdisk_commit_write(struct file *file, struct page *page, } /* - * ->writepage to the the blockdev's mapping has to redirty the page so that the + * ->writepage to the blockdev's mapping has to redirty the page so that the * VM doesn't go and steal it. We return AOP_WRITEPAGE_ACTIVATE so that the VM * won't try to (pointlessly) write the page again for a while. * diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 1e32fb834eb8..2df42fdcdc91 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -631,7 +631,8 @@ config HVC_CONSOLE config HVC_ISERIES bool "iSeries Hypervisor Virtual Console support" - depends on PPC_ISERIES && !VIOCONS + depends on PPC_ISERIES + default y select HVC_DRIVER help iSeries machines support a hypervisor virtual console. diff --git a/drivers/char/drm/drm_dma.c b/drivers/char/drm/drm_dma.c index 892db7096986..32ed19c9ec1c 100644 --- a/drivers/char/drm/drm_dma.c +++ b/drivers/char/drm/drm_dma.c @@ -65,7 +65,7 @@ int drm_dma_setup(drm_device_t * dev) * \param dev DRM device. * * Free all pages associated with DMA buffers, the buffers and pages lists, and - * finally the the drm_device::dma structure itself. + * finally the drm_device::dma structure itself. */ void drm_dma_takedown(drm_device_t * dev) { diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index 35540cfb43dd..b5c5b9fa84c3 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -157,7 +157,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, * \param address access address. * \return pointer to the page structure. * - * Get the the mapping, find the real physical page to map, get the page, and + * Get the mapping, find the real physical page to map, get the page, and * return it. */ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma, diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h index a881f96c983e..ecda760ae8c0 100644 --- a/drivers/char/drm/r300_reg.h +++ b/drivers/char/drm/r300_reg.h @@ -293,7 +293,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_PVS_CNTL_1_PROGRAM_START_SHIFT 0 # define R300_PVS_CNTL_1_POS_END_SHIFT 10 # define R300_PVS_CNTL_1_PROGRAM_END_SHIFT 20 -/* Addresses are relative the the vertex program parameters area. */ +/* Addresses are relative to the vertex program parameters area. */ #define R300_VAP_PVS_CNTL_2 0x22D4 # define R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT 0 # define R300_PVS_CNTL_2_PARAM_COUNT_SHIFT 16 diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c index 49f914e79216..9e1fc02967ff 100644 --- a/drivers/char/genrtc.c +++ b/drivers/char/genrtc.c @@ -12,7 +12,7 @@ * * This driver allows use of the real time clock (built into * nearly all computers) from user space. It exports the /dev/rtc - * interface supporting various ioctl() and also the /proc/dev/rtc + * interface supporting various ioctl() and also the /proc/driver/rtc * pseudo-file for status information. * * The ioctls can be used to set the interrupt behaviour where @@ -377,7 +377,7 @@ static int gen_rtc_release(struct inode *inode, struct file *file) #ifdef CONFIG_PROC_FS /* - * Info exported via "/proc/rtc". + * Info exported via "/proc/driver/rtc". */ static int gen_rtc_proc_output(char *buf) diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 5f3acd8e64b8..7cda04b33534 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -91,3 +91,17 @@ config HW_RANDOM_OMAP module will be called omap-rng. If unsure, say Y. + +config HW_RANDOM_PASEMI + tristate "PA Semi HW Random Number Generator support" + depends on HW_RANDOM && PPC_PASEMI + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on PA6T-1682M processor. + + To compile this driver as a module, choose M here: the + module will be called pasemi-rng. + + If unsure, say Y. + diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index c41fa19454e3..c8b7300e2fb1 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -10,3 +10,4 @@ obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o obj-$(CONFIG_HW_RANDOM_VIA) += via-rng.o obj-$(CONFIG_HW_RANDOM_IXP4XX) += ixp4xx-rng.o obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o +obj-$(CONFIG_HW_RANDOM_PASEMI) += pasemi-rng.o diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c new file mode 100644 index 000000000000..fa6040b6c8f2 --- /dev/null +++ b/drivers/char/hw_random/pasemi-rng.c @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2006-2007 PA Semi, Inc + * + * Maintained by: Olof Johansson <olof@lixom.net> + * + * Driver for the PWRficient onchip rng + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/hw_random.h> +#include <asm/of_platform.h> +#include <asm/io.h> + +#define SDCRNG_CTL_REG 0x00 +#define SDCRNG_CTL_FVLD_M 0x0000f000 +#define SDCRNG_CTL_FVLD_S 12 +#define SDCRNG_CTL_KSZ 0x00000800 +#define SDCRNG_CTL_RSRC_CRG 0x00000010 +#define SDCRNG_CTL_RSRC_RRG 0x00000000 +#define SDCRNG_CTL_CE 0x00000004 +#define SDCRNG_CTL_RE 0x00000002 +#define SDCRNG_CTL_DR 0x00000001 +#define SDCRNG_CTL_SELECT_RRG_RNG (SDCRNG_CTL_RE | SDCRNG_CTL_RSRC_RRG) +#define SDCRNG_CTL_SELECT_CRG_RNG (SDCRNG_CTL_CE | SDCRNG_CTL_RSRC_CRG) +#define SDCRNG_VAL_REG 0x20 + +#define MODULE_NAME "pasemi_rng" + +static int pasemi_rng_data_present(struct hwrng *rng) +{ + void __iomem *rng_regs = (void __iomem *)rng->priv; + + return (in_le32(rng_regs + SDCRNG_CTL_REG) + & SDCRNG_CTL_FVLD_M) ? 1 : 0; +} + +static int pasemi_rng_data_read(struct hwrng *rng, u32 *data) +{ + void __iomem *rng_regs = (void __iomem *)rng->priv; + *data = in_le32(rng_regs + SDCRNG_VAL_REG); + return 4; +} + +static int pasemi_rng_init(struct hwrng *rng) +{ + void __iomem *rng_regs = (void __iomem *)rng->priv; + u32 ctl; + + ctl = SDCRNG_CTL_DR | SDCRNG_CTL_SELECT_RRG_RNG | SDCRNG_CTL_KSZ; + out_le32(rng_regs + SDCRNG_CTL_REG, ctl); + out_le32(rng_regs + SDCRNG_CTL_REG, ctl & ~SDCRNG_CTL_DR); + + return 0; +} + +static void pasemi_rng_cleanup(struct hwrng *rng) +{ + void __iomem *rng_regs = (void __iomem *)rng->priv; + u32 ctl; + + ctl = SDCRNG_CTL_RE | SDCRNG_CTL_CE; + out_le32(rng_regs + SDCRNG_CTL_REG, + in_le32(rng_regs + SDCRNG_CTL_REG) & ~ctl); +} + +static struct hwrng pasemi_rng = { + .name = MODULE_NAME, + .init = pasemi_rng_init, + .cleanup = pasemi_rng_cleanup, + .data_present = pasemi_rng_data_present, + .data_read = pasemi_rng_data_read, +}; + +static int __devinit rng_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + void __iomem *rng_regs; + struct device_node *rng_np = ofdev->node; + struct resource res; + int err = 0; + + err = of_address_to_resource(rng_np, 0, &res); + if (err) + return -ENODEV; + + rng_regs = ioremap(res.start, 0x100); + + if (!rng_regs) + return -ENOMEM; + + pasemi_rng.priv = (unsigned long)rng_regs; + + printk(KERN_INFO "Registering PA Semi RNG\n"); + + err = hwrng_register(&pasemi_rng); + + if (err) + iounmap(rng_regs); + + return err; +} + +static int __devexit rng_remove(struct of_device *dev) +{ + void __iomem *rng_regs = (void __iomem *)pasemi_rng.priv; + + hwrng_unregister(&pasemi_rng); + iounmap(rng_regs); + + return 0; +} + +static struct of_device_id rng_match[] = { + { + .compatible = "1682m-rng", + }, + {}, +}; + +static struct of_platform_driver rng_driver = { + .name = "pasemi-rng", + .match_table = rng_match, + .probe = rng_probe, + .remove = rng_remove, +}; + +static int __init rng_init(void) +{ + return of_register_platform_driver(&rng_driver); +} +module_init(rng_init); + +static void __exit rng_exit(void) +{ + of_unregister_platform_driver(&rng_driver); +} +module_exit(rng_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Egor Martovetsky <egor@pasemi.com>"); +MODULE_DESCRIPTION("H/W RNG driver for PA Semi processor"); diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index c09160383a53..6e55cfb9c65a 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -705,15 +705,13 @@ static int __init mmtimer_init(void) maxn++; /* Allocate list of node ptrs to mmtimer_t's */ - timers = kmalloc(sizeof(mmtimer_t *)*maxn, GFP_KERNEL); + timers = kzalloc(sizeof(mmtimer_t *)*maxn, GFP_KERNEL); if (timers == NULL) { printk(KERN_ERR "%s: failed to allocate memory for device\n", MMTIMER_NAME); goto out3; } - memset(timers,0,(sizeof(mmtimer_t *)*maxn)); - /* Allocate mmtimer_t's for each online node */ for_each_online_node(node) { timers[node] = kmalloc_node(sizeof(mmtimer_t)*NUM_COMPARATORS, GFP_KERNEL, node); diff --git a/drivers/char/pcmcia/Kconfig b/drivers/char/pcmcia/Kconfig index 27c1179ee527..f25facd97bb4 100644 --- a/drivers/char/pcmcia/Kconfig +++ b/drivers/char/pcmcia/Kconfig @@ -21,6 +21,7 @@ config SYNCLINK_CS config CARDMAN_4000 tristate "Omnikey Cardman 4000 support" depends on PCMCIA + select BITREVERSE help Enable support for the Omnikey Cardman 4000 PCMCIA Smartcard reader. diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index e91b43a014b0..fee58e03dbe2 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -31,6 +31,7 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/delay.h> +#include <linux/bitrev.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -194,41 +195,17 @@ static inline unsigned char xinb(unsigned short port) } #endif -#define b_0000 15 -#define b_0001 14 -#define b_0010 13 -#define b_0011 12 -#define b_0100 11 -#define b_0101 10 -#define b_0110 9 -#define b_0111 8 -#define b_1000 7 -#define b_1001 6 -#define b_1010 5 -#define b_1011 4 -#define b_1100 3 -#define b_1101 2 -#define b_1110 1 -#define b_1111 0 - -static unsigned char irtab[16] = { - b_0000, b_1000, b_0100, b_1100, - b_0010, b_1010, b_0110, b_1110, - b_0001, b_1001, b_0101, b_1101, - b_0011, b_1011, b_0111, b_1111 -}; +static inline unsigned char invert_revert(unsigned char ch) +{ + return bitrev8(~ch); +} static void str_invert_revert(unsigned char *b, int len) { int i; for (i = 0; i < len; i++) - b[i] = (irtab[b[i] & 0x0f] << 4) | irtab[b[i] >> 4]; -} - -static unsigned char invert_revert(unsigned char ch) -{ - return (irtab[ch & 0x0f] << 4) | irtab[ch >> 4]; + b[i] = invert_revert(b[i]); } #define ATRLENCK(dev,pos) \ @@ -1114,7 +1091,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, /* * wait for atr to become valid. * note: it is important to lock this code. if we dont, the monitor - * could be run between test_bit and the the call the sleep on the + * could be run between test_bit and the call to sleep on the * atr-queue. if *then* the monitor detects atr valid, it will wake up * any process on the atr-queue, *but* since we have been interrupted, * we do not yet sleep on this queue. this would result in a missed @@ -1881,8 +1858,11 @@ static int cm4000_probe(struct pcmcia_device *link) init_waitqueue_head(&dev->readq); ret = cm4000_config(link, i); - if (ret) + if (ret) { + dev_table[i] = NULL; + kfree(dev); return ret; + } class_device_create(cmm_class, NULL, MKDEV(major, i), NULL, "cmm%d", i); @@ -1907,7 +1887,7 @@ static void cm4000_detach(struct pcmcia_device *link) cm4000_release(link); dev_table[devno] = NULL; - kfree(dev); + kfree(dev); class_device_destroy(cmm_class, MKDEV(major, devno)); @@ -1956,12 +1936,14 @@ static int __init cmm_init(void) if (major < 0) { printk(KERN_WARNING MODULE_NAME ": could not get major number\n"); + class_destroy(cmm_class); return major; } rc = pcmcia_register_driver(&cm4000_driver); if (rc < 0) { unregister_chrdev(major, DEVICE_NAME); + class_destroy(cmm_class); return rc; } diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index f2e4ec4fd407..af88181a17f4 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -636,8 +636,11 @@ static int reader_probe(struct pcmcia_device *link) setup_timer(&dev->poll_timer, cm4040_do_poll, 0); ret = reader_config(link, i); - if (ret) + if (ret) { + dev_table[i] = NULL; + kfree(dev); return ret; + } class_device_create(cmx_class, NULL, MKDEV(major, i), NULL, "cmx%d", i); @@ -708,12 +711,14 @@ static int __init cm4040_init(void) if (major < 0) { printk(KERN_WARNING MODULE_NAME ": could not get major number\n"); + class_destroy(cmx_class); return major; } rc = pcmcia_register_driver(&reader_driver); if (rc < 0) { unregister_chrdev(major, DEVICE_NAME); + class_destroy(cmx_class); return rc; } diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index fe00c7dfb649..11089be0691b 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -33,7 +33,7 @@ config TCG_NSC tristate "National Semiconductor TPM Interface" depends on TCG_TPM && PNPACPI ---help--- - If you have a TPM security chip from National Semicondutor + If you have a TPM security chip from National Semiconductor say Yes and it will be accessible from within Linux. To compile this driver as a module, choose M here; the module will be called tpm_nsc. diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 7710a6a77d97..fc662e4ce58a 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -934,13 +934,6 @@ restart: return -EINVAL; /* - * No more input please, we are switching. The new ldisc - * will update this value in the ldisc open function - */ - - tty->receive_room = 0; - - /* * Problem: What do we do if this blocks ? */ @@ -951,6 +944,13 @@ restart: return 0; } + /* + * No more input please, we are switching. The new ldisc + * will update this value in the ldisc open function + */ + + tty->receive_room = 0; + o_ldisc = tty->ldisc; o_tty = tty->link; @@ -1573,11 +1573,11 @@ void no_tty(void) /** - * stop_tty - propogate flow control + * stop_tty - propagate flow control * @tty: tty to stop * * Perform flow control to the driver. For PTY/TTY pairs we - * must also propogate the TIOCKPKT status. May be called + * must also propagate the TIOCKPKT status. May be called * on an already stopped device and will not re-call the driver * method. * @@ -1607,11 +1607,11 @@ void stop_tty(struct tty_struct *tty) EXPORT_SYMBOL(stop_tty); /** - * start_tty - propogate flow control + * start_tty - propagate flow control * @tty: tty to start * * Start a tty that has been stopped if at all possible. Perform - * any neccessary wakeups and propogate the TIOCPKT status. If this + * any neccessary wakeups and propagate the TIOCPKT status. If this * is the tty was previous stopped and is being started then the * driver start method is invoked and the line discipline woken. * diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 893dbaf386fb..eb37fba9b7ef 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1685,9 +1685,11 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, if (sys_dev) { switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: cpufreq_add_dev(sys_dev); break; case CPU_DOWN_PREPARE: + case CPU_DOWN_PREPARE_FROZEN: if (unlikely(lock_policy_rwsem_write(cpu))) BUG(); @@ -1699,6 +1701,7 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, __cpufreq_remove_dev(sys_dev); break; case CPU_DOWN_FAILED: + case CPU_DOWN_FAILED_FROZEN: cpufreq_add_dev(sys_dev); break; } diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index d1c7cac9316c..d2f0cbd8b8f3 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -313,9 +313,11 @@ static int cpufreq_stat_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: cpufreq_update_policy(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: cpufreq_stats_free_table(cpu); break; } diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index f21fe66c9eef..f4c634504d1a 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -51,7 +51,7 @@ config CRYPTO_DEV_GEODE default m help Say 'Y' here to use the AMD Geode LX processor on-board AES - engine for the CryptoAPI AES alogrithm. + engine for the CryptoAPI AES algorithm. To compile this driver as a module, choose M here: the module will be called geode-aes. diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 03b1f650d1c4..75e3911810a3 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -309,9 +309,11 @@ static int coretemp_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: coretemp_device_add(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: coretemp_device_remove(cpu); break; } diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c index 7ed92dc3d833..3c3f2ebf3fc9 100644 --- a/drivers/i2c/chips/tps65010.c +++ b/drivers/i2c/chips/tps65010.c @@ -354,7 +354,7 @@ static void tps65010_interrupt(struct tps65010 *tps) * also needs to get error handling and probably * an #ifdef CONFIG_SOFTWARE_SUSPEND */ - pm_suspend(PM_SUSPEND_DISK); + hibernate(); #endif poll = 1; } diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 5314ec913724..d09e74c2996e 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -827,7 +827,7 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) /* * Now set up the hw. We have to do this ourselves as - * the MMIO layout isnt the same as the the standard port + * the MMIO layout isnt the same as the standard port * based I/O */ diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 6a1a0572275e..835937e38529 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -1702,7 +1702,7 @@ static int nodemgr_host_thread(void *__hi) generation = get_hpsb_generation(host); /* If we get a reset before we are done waiting, then - * start the the waiting over again */ + * start the waiting over again */ if (generation != g) g = generation, i = 0; } diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c index f284be1c9166..82dda2faf4d0 100644 --- a/drivers/infiniband/hw/ehca/ehca_irq.c +++ b/drivers/infiniband/hw/ehca/ehca_irq.c @@ -745,6 +745,7 @@ static int comp_pool_callback(struct notifier_block *nfb, switch (action) { case CPU_UP_PREPARE: + case CPU_UP_PREPARE_FROZEN: ehca_gen_dbg("CPU: %x (CPU_PREPARE)", cpu); if(!create_comp_task(pool, cpu)) { ehca_gen_err("Can't create comp_task for cpu: %x", cpu); @@ -752,24 +753,29 @@ static int comp_pool_callback(struct notifier_block *nfb, } break; case CPU_UP_CANCELED: + case CPU_UP_CANCELED_FROZEN: ehca_gen_dbg("CPU: %x (CPU_CANCELED)", cpu); cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu); kthread_bind(cct->task, any_online_cpu(cpu_online_map)); destroy_comp_task(pool, cpu); break; case CPU_ONLINE: + case CPU_ONLINE_FROZEN: ehca_gen_dbg("CPU: %x (CPU_ONLINE)", cpu); cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu); kthread_bind(cct->task, cpu); wake_up_process(cct->task); break; case CPU_DOWN_PREPARE: + case CPU_DOWN_PREPARE_FROZEN: ehca_gen_dbg("CPU: %x (CPU_DOWN_PREPARE)", cpu); break; case CPU_DOWN_FAILED: + case CPU_DOWN_FAILED_FROZEN: ehca_gen_dbg("CPU: %x (CPU_DOWN_FAILED)", cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: ehca_gen_dbg("CPU: %x (CPU_DEAD)", cpu); destroy_comp_task(pool, cpu); take_over_work(pool, cpu); diff --git a/drivers/isdn/capi/Kconfig b/drivers/isdn/capi/Kconfig index c921d6c522f5..c92f9d764fce 100644 --- a/drivers/isdn/capi/Kconfig +++ b/drivers/isdn/capi/Kconfig @@ -17,7 +17,7 @@ config CAPI_TRACE help If you say Y here, the kernelcapi driver can make verbose traces of CAPI messages. This feature can be enabled/disabled via IOCTL for - every controler (default disabled). + every controller (default disabled). This will increase the size of the kernelcapi module by 20 KB. If unsure, say Y. diff --git a/drivers/isdn/hardware/eicon/divasync.h b/drivers/isdn/hardware/eicon/divasync.h index af3eb9e795b5..85784a7ffb25 100644 --- a/drivers/isdn/hardware/eicon/divasync.h +++ b/drivers/isdn/hardware/eicon/divasync.h @@ -216,7 +216,7 @@ typedef struct #define SERIAL_HOOK_RING 0x85 #define SERIAL_HOOK_DETACH 0x8f unsigned char Flags; /* function refinements */ - /* parameters passed by the the ATTACH request */ + /* parameters passed by the ATTACH request */ SERIAL_INT_CB InterruptHandler; /* called on each interrupt */ SERIAL_DPC_CB DeferredHandler; /* called on hook state changes */ void *HandlerContext; /* context for both handlers */ diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c index 99e70d4103b6..1f18f1993387 100644 --- a/drivers/isdn/hisax/hfc_usb.c +++ b/drivers/isdn/hisax/hfc_usb.c @@ -1217,11 +1217,11 @@ usb_init(hfcusb_data * hfc) /* aux = output, reset off */ write_usb(hfc, HFCUSB_CIRM, 0x10); - /* set USB_SIZE to match the the wMaxPacketSize for INT or BULK transfers */ + /* set USB_SIZE to match the wMaxPacketSize for INT or BULK transfers */ write_usb(hfc, HFCUSB_USB_SIZE, (hfc->packet_size / 8) | ((hfc->packet_size / 8) << 4)); - /* set USB_SIZE_I to match the the wMaxPacketSize for ISO transfers */ + /* set USB_SIZE_I to match the wMaxPacketSize for ISO transfers */ write_usb(hfc, HFCUSB_USB_SIZE_I, hfc->iso_packet_size); /* enable PCM/GCI master mode */ diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index c8b8cfa332bb..0d892600ff00 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2889,7 +2889,9 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val, switch (val) { case CPU_DOWN_PREPARE: + case CPU_DOWN_PREPARE_FROZEN: case CPU_UP_CANCELED: + case CPU_UP_CANCELED_FROZEN: printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n", cpu); decache_vcpus_on_cpu(cpu); @@ -2897,6 +2899,7 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val, NULL, 0, 1); break; case CPU_ONLINE: + case CPU_ONLINE_FROZEN: printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n", cpu); smp_call_function_single(cpu, kvm_arch_ops->hardware_enable, diff --git a/drivers/leds/leds-h1940.c b/drivers/leds/leds-h1940.c index 1d49d2ade557..677c99325be5 100644 --- a/drivers/leds/leds-h1940.c +++ b/drivers/leds/leds-h1940.c @@ -1,5 +1,5 @@ /* - * drivers/leds/h1940-leds.c + * drivers/leds/leds-h1940.c * Copyright (c) Arnaud Patard <arnaud.patard@rtp-net.org> * * This file is subject to the terms and conditions of the GNU General Public diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index a32c91e27b3c..58926da0ae18 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -237,7 +237,7 @@ config PMAC_RACKMETER tristate "Support for Apple XServe front panel LEDs" depends on PPC_PMAC help - This driver procides some support to control the front panel + This driver provides some support to control the front panel blue LEDs "vu-meter" of the XServer macs. endif # MACINTOSH_DRIVERS diff --git a/drivers/mca/mca-bus.c b/drivers/mca/mca-bus.c index da862e4632dd..67b8e9453b19 100644 --- a/drivers/mca/mca-bus.c +++ b/drivers/mca/mca-bus.c @@ -47,19 +47,25 @@ static int mca_bus_match (struct device *dev, struct device_driver *drv) { struct mca_device *mca_dev = to_mca_device (dev); struct mca_driver *mca_drv = to_mca_driver (drv); - const short *mca_ids = mca_drv->id_table; - int i; - - if (!mca_ids) - return 0; - - for(i = 0; mca_ids[i]; i++) { - if (mca_ids[i] == mca_dev->pos_id) { - mca_dev->index = i; - return 1; + const unsigned short *mca_ids = mca_drv->id_table; + int i = 0; + + if (mca_ids) { + for(i = 0; mca_ids[i]; i++) { + if (mca_ids[i] == mca_dev->pos_id) { + mca_dev->index = i; + return 1; + } } } - + /* If the integrated id is present, treat it as though it were an + * additional id in the id_table (it can't be because by definition, + * integrated id's overflow a short */ + if (mca_drv->integrated_id && mca_dev->pos_id == + mca_drv->integrated_id) { + mca_dev->index = i; + return 1; + } return 0; } diff --git a/drivers/mca/mca-driver.c b/drivers/mca/mca-driver.c index 2223466b3d8a..32cd39bcc715 100644 --- a/drivers/mca/mca-driver.c +++ b/drivers/mca/mca-driver.c @@ -36,12 +36,25 @@ int mca_register_driver(struct mca_driver *mca_drv) mca_drv->driver.bus = &mca_bus_type; if ((r = driver_register(&mca_drv->driver)) < 0) return r; + mca_drv->integrated_id = 0; } return 0; } EXPORT_SYMBOL(mca_register_driver); +int mca_register_driver_integrated(struct mca_driver *mca_driver, + int integrated_id) +{ + int r = mca_register_driver(mca_driver); + + if (!r) + mca_driver->integrated_id = integrated_id; + + return r; +} +EXPORT_SYMBOL(mca_register_driver_integrated); + void mca_unregister_driver(struct mca_driver *mca_drv) { if (MCA_bus) diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 4540ade6b6b5..7df934d69134 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -262,6 +262,15 @@ config DM_MULTIPATH_EMC ---help--- Multipath support for EMC CX/AX series hardware. +config DM_DELAY + tristate "I/O delaying target (EXPERIMENTAL)" + depends on BLK_DEV_DM && EXPERIMENTAL + ---help--- + A target that delays reads and/or writes and can send + them to different devices. Useful for testing. + + If unsure, say N. + endmenu endif diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 34957a68d921..38754084eac7 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_MD_FAULTY) += faulty.o obj-$(CONFIG_BLK_DEV_MD) += md-mod.o obj-$(CONFIG_BLK_DEV_DM) += dm-mod.o obj-$(CONFIG_DM_CRYPT) += dm-crypt.o +obj-$(CONFIG_DM_DELAY) += dm-delay.o obj-$(CONFIG_DM_MULTIPATH) += dm-multipath.o dm-round-robin.o obj-$(CONFIG_DM_MULTIPATH_EMC) += dm-emc.o obj-$(CONFIG_DM_SNAPSHOT) += dm-snapshot.o diff --git a/drivers/md/dm-bio-list.h b/drivers/md/dm-bio-list.h index da4349649f7f..c6be88826fae 100644 --- a/drivers/md/dm-bio-list.h +++ b/drivers/md/dm-bio-list.h @@ -8,17 +8,43 @@ #define DM_BIO_LIST_H #include <linux/bio.h> +#include <linux/prefetch.h> struct bio_list { struct bio *head; struct bio *tail; }; +static inline int bio_list_empty(const struct bio_list *bl) +{ + return bl->head == NULL; +} + +#define BIO_LIST_INIT { .head = NULL, .tail = NULL } + +#define BIO_LIST(bl) \ + struct bio_list bl = BIO_LIST_INIT + static inline void bio_list_init(struct bio_list *bl) { bl->head = bl->tail = NULL; } +#define bio_list_for_each(bio, bl) \ + for (bio = (bl)->head; bio && ({ prefetch(bio->bi_next); 1; }); \ + bio = bio->bi_next) + +static inline unsigned bio_list_size(const struct bio_list *bl) +{ + unsigned sz = 0; + struct bio *bio; + + bio_list_for_each(bio, bl) + sz++; + + return sz; +} + static inline void bio_list_add(struct bio_list *bl, struct bio *bio) { bio->bi_next = NULL; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index d8121234c347..7b0fcfc9eaa5 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -33,7 +33,6 @@ struct crypt_io { struct dm_target *target; struct bio *base_bio; - struct bio *first_clone; struct work_struct work; atomic_t pending; int error; @@ -107,6 +106,8 @@ struct crypt_config { static struct kmem_cache *_crypt_io_pool; +static void clone_init(struct crypt_io *, struct bio *); + /* * Different IV generation algorithms: * @@ -120,6 +121,9 @@ static struct kmem_cache *_crypt_io_pool; * benbi: the 64-bit "big-endian 'narrow block'-count", starting at 1 * (needed for LRW-32-AES and possible other narrow block modes) * + * null: the initial vector is always zero. Provides compatibility with + * obsolete loop_fish2 devices. Do not use for new devices. + * * plumb: unimplemented, see: * http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/454 */ @@ -256,6 +260,13 @@ static int crypt_iv_benbi_gen(struct crypt_config *cc, u8 *iv, sector_t sector) return 0; } +static int crypt_iv_null_gen(struct crypt_config *cc, u8 *iv, sector_t sector) +{ + memset(iv, 0, cc->iv_size); + + return 0; +} + static struct crypt_iv_operations crypt_iv_plain_ops = { .generator = crypt_iv_plain_gen }; @@ -272,6 +283,10 @@ static struct crypt_iv_operations crypt_iv_benbi_ops = { .generator = crypt_iv_benbi_gen }; +static struct crypt_iv_operations crypt_iv_null_ops = { + .generator = crypt_iv_null_gen +}; + static int crypt_convert_scatterlist(struct crypt_config *cc, struct scatterlist *out, struct scatterlist *in, unsigned int length, @@ -378,36 +393,21 @@ static int crypt_convert(struct crypt_config *cc, * This should never violate the device limitations * May return a smaller bio when running out of pages */ -static struct bio * -crypt_alloc_buffer(struct crypt_config *cc, unsigned int size, - struct bio *base_bio, unsigned int *bio_vec_idx) +static struct bio *crypt_alloc_buffer(struct crypt_io *io, unsigned int size) { + struct crypt_config *cc = io->target->private; struct bio *clone; unsigned int nr_iovecs = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; gfp_t gfp_mask = GFP_NOIO | __GFP_HIGHMEM; unsigned int i; - if (base_bio) { - clone = bio_alloc_bioset(GFP_NOIO, base_bio->bi_max_vecs, cc->bs); - __bio_clone(clone, base_bio); - } else - clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, cc->bs); - + clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, cc->bs); if (!clone) return NULL; - clone->bi_destructor = dm_crypt_bio_destructor; - - /* if the last bio was not complete, continue where that one ended */ - clone->bi_idx = *bio_vec_idx; - clone->bi_vcnt = *bio_vec_idx; - clone->bi_size = 0; - clone->bi_flags &= ~(1 << BIO_SEG_VALID); - - /* clone->bi_idx pages have already been allocated */ - size -= clone->bi_idx * PAGE_SIZE; + clone_init(io, clone); - for (i = clone->bi_idx; i < nr_iovecs; i++) { + for (i = 0; i < nr_iovecs; i++) { struct bio_vec *bv = bio_iovec_idx(clone, i); bv->bv_page = mempool_alloc(cc->page_pool, gfp_mask); @@ -419,7 +419,7 @@ crypt_alloc_buffer(struct crypt_config *cc, unsigned int size, * return a partially allocated bio, the caller will then try * to allocate additional bios while submitting this partial bio */ - if ((i - clone->bi_idx) == (MIN_BIO_PAGES - 1)) + if (i == (MIN_BIO_PAGES - 1)) gfp_mask = (gfp_mask | __GFP_NOWARN) & ~__GFP_WAIT; bv->bv_offset = 0; @@ -438,12 +438,6 @@ crypt_alloc_buffer(struct crypt_config *cc, unsigned int size, return NULL; } - /* - * Remember the last bio_vec allocated to be able - * to correctly continue after the splitting. - */ - *bio_vec_idx = clone->bi_vcnt; - return clone; } @@ -495,9 +489,6 @@ static void dec_pending(struct crypt_io *io, int error) if (!atomic_dec_and_test(&io->pending)) return; - if (io->first_clone) - bio_put(io->first_clone); - bio_endio(io->base_bio, io->base_bio->bi_size, io->error); mempool_free(io, cc->io_pool); @@ -562,6 +553,7 @@ static void clone_init(struct crypt_io *io, struct bio *clone) clone->bi_end_io = crypt_endio; clone->bi_bdev = cc->dev->bdev; clone->bi_rw = io->base_bio->bi_rw; + clone->bi_destructor = dm_crypt_bio_destructor; } static void process_read(struct crypt_io *io) @@ -585,7 +577,6 @@ static void process_read(struct crypt_io *io) } clone_init(io, clone); - clone->bi_destructor = dm_crypt_bio_destructor; clone->bi_idx = 0; clone->bi_vcnt = bio_segments(base_bio); clone->bi_size = base_bio->bi_size; @@ -604,7 +595,6 @@ static void process_write(struct crypt_io *io) struct convert_context ctx; unsigned remaining = base_bio->bi_size; sector_t sector = base_bio->bi_sector - io->target->begin; - unsigned bvec_idx = 0; atomic_inc(&io->pending); @@ -615,14 +605,14 @@ static void process_write(struct crypt_io *io) * so repeat the whole process until all the data can be handled. */ while (remaining) { - clone = crypt_alloc_buffer(cc, base_bio->bi_size, - io->first_clone, &bvec_idx); + clone = crypt_alloc_buffer(io, remaining); if (unlikely(!clone)) { dec_pending(io, -ENOMEM); return; } ctx.bio_out = clone; + ctx.idx_out = 0; if (unlikely(crypt_convert(cc, &ctx) < 0)) { crypt_free_buffer_pages(cc, clone, clone->bi_size); @@ -631,31 +621,26 @@ static void process_write(struct crypt_io *io) return; } - clone_init(io, clone); - clone->bi_sector = cc->start + sector; - - if (!io->first_clone) { - /* - * hold a reference to the first clone, because it - * holds the bio_vec array and that can't be freed - * before all other clones are released - */ - bio_get(clone); - io->first_clone = clone; - } + /* crypt_convert should have filled the clone bio */ + BUG_ON(ctx.idx_out < clone->bi_vcnt); + clone->bi_sector = cc->start + sector; remaining -= clone->bi_size; sector += bio_sectors(clone); - /* prevent bio_put of first_clone */ + /* Grab another reference to the io struct + * before we kick off the request */ if (remaining) atomic_inc(&io->pending); generic_make_request(clone); + /* Do not reference clone after this - it + * may be gone already. */ + /* out of memory -> run queues */ if (remaining) - congestion_wait(bio_data_dir(clone), HZ/100); + congestion_wait(WRITE, HZ/100); } } @@ -832,6 +817,8 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) cc->iv_gen_ops = &crypt_iv_essiv_ops; else if (strcmp(ivmode, "benbi") == 0) cc->iv_gen_ops = &crypt_iv_benbi_ops; + else if (strcmp(ivmode, "null") == 0) + cc->iv_gen_ops = &crypt_iv_null_ops; else { ti->error = "Invalid IV mode"; goto bad2; @@ -954,10 +941,12 @@ static int crypt_map(struct dm_target *ti, struct bio *bio, struct crypt_config *cc = ti->private; struct crypt_io *io; + if (bio_barrier(bio)) + return -EOPNOTSUPP; + io = mempool_alloc(cc->io_pool, GFP_NOIO); io->target = ti; io->base_bio = bio; - io->first_clone = NULL; io->error = io->post_process = 0; atomic_set(&io->pending, 0); kcryptd_queue_io(io); @@ -1057,7 +1046,7 @@ error: static struct target_type crypt_target = { .name = "crypt", - .version= {1, 3, 0}, + .version= {1, 5, 0}, .module = THIS_MODULE, .ctr = crypt_ctr, .dtr = crypt_dtr, diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c new file mode 100644 index 000000000000..52c7cf9e5803 --- /dev/null +++ b/drivers/md/dm-delay.c @@ -0,0 +1,383 @@ +/* + * Copyright (C) 2005-2007 Red Hat GmbH + * + * A target that delays reads and/or writes and can send + * them to different devices. + * + * This file is released under the GPL. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/blkdev.h> +#include <linux/bio.h> +#include <linux/slab.h> + +#include "dm.h" +#include "dm-bio-list.h" + +#define DM_MSG_PREFIX "delay" + +struct delay_c { + struct timer_list delay_timer; + struct semaphore timer_lock; + struct work_struct flush_expired_bios; + struct list_head delayed_bios; + atomic_t may_delay; + mempool_t *delayed_pool; + + struct dm_dev *dev_read; + sector_t start_read; + unsigned read_delay; + unsigned reads; + + struct dm_dev *dev_write; + sector_t start_write; + unsigned write_delay; + unsigned writes; +}; + +struct delay_info { + struct delay_c *context; + struct list_head list; + struct bio *bio; + unsigned long expires; +}; + +static DEFINE_MUTEX(delayed_bios_lock); + +static struct workqueue_struct *kdelayd_wq; +static struct kmem_cache *delayed_cache; + +static void handle_delayed_timer(unsigned long data) +{ + struct delay_c *dc = (struct delay_c *)data; + + queue_work(kdelayd_wq, &dc->flush_expired_bios); +} + +static void queue_timeout(struct delay_c *dc, unsigned long expires) +{ + down(&dc->timer_lock); + + if (!timer_pending(&dc->delay_timer) || expires < dc->delay_timer.expires) + mod_timer(&dc->delay_timer, expires); + + up(&dc->timer_lock); +} + +static void flush_bios(struct bio *bio) +{ + struct bio *n; + + while (bio) { + n = bio->bi_next; + bio->bi_next = NULL; + generic_make_request(bio); + bio = n; + } +} + +static struct bio *flush_delayed_bios(struct delay_c *dc, int flush_all) +{ + struct delay_info *delayed, *next; + unsigned long next_expires = 0; + int start_timer = 0; + BIO_LIST(flush_bios); + + mutex_lock(&delayed_bios_lock); + list_for_each_entry_safe(delayed, next, &dc->delayed_bios, list) { + if (flush_all || time_after_eq(jiffies, delayed->expires)) { + list_del(&delayed->list); + bio_list_add(&flush_bios, delayed->bio); + if ((bio_data_dir(delayed->bio) == WRITE)) + delayed->context->writes--; + else + delayed->context->reads--; + mempool_free(delayed, dc->delayed_pool); + continue; + } + + if (!start_timer) { + start_timer = 1; + next_expires = delayed->expires; + } else + next_expires = min(next_expires, delayed->expires); + } + + mutex_unlock(&delayed_bios_lock); + + if (start_timer) + queue_timeout(dc, next_expires); + + return bio_list_get(&flush_bios); +} + +static void flush_expired_bios(struct work_struct *work) +{ + struct delay_c *dc; + + dc = container_of(work, struct delay_c, flush_expired_bios); + flush_bios(flush_delayed_bios(dc, 0)); +} + +/* + * Mapping parameters: + * <device> <offset> <delay> [<write_device> <write_offset> <write_delay>] + * + * With separate write parameters, the first set is only used for reads. + * Delays are specified in milliseconds. + */ +static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv) +{ + struct delay_c *dc; + unsigned long long tmpll; + + if (argc != 3 && argc != 6) { + ti->error = "requires exactly 3 or 6 arguments"; + return -EINVAL; + } + + dc = kmalloc(sizeof(*dc), GFP_KERNEL); + if (!dc) { + ti->error = "Cannot allocate context"; + return -ENOMEM; + } + + dc->reads = dc->writes = 0; + + if (sscanf(argv[1], "%llu", &tmpll) != 1) { + ti->error = "Invalid device sector"; + goto bad; + } + dc->start_read = tmpll; + + if (sscanf(argv[2], "%u", &dc->read_delay) != 1) { + ti->error = "Invalid delay"; + goto bad; + } + + if (dm_get_device(ti, argv[0], dc->start_read, ti->len, + dm_table_get_mode(ti->table), &dc->dev_read)) { + ti->error = "Device lookup failed"; + goto bad; + } + + if (argc == 3) { + dc->dev_write = NULL; + goto out; + } + + if (sscanf(argv[4], "%llu", &tmpll) != 1) { + ti->error = "Invalid write device sector"; + goto bad; + } + dc->start_write = tmpll; + + if (sscanf(argv[5], "%u", &dc->write_delay) != 1) { + ti->error = "Invalid write delay"; + goto bad; + } + + if (dm_get_device(ti, argv[3], dc->start_write, ti->len, + dm_table_get_mode(ti->table), &dc->dev_write)) { + ti->error = "Write device lookup failed"; + dm_put_device(ti, dc->dev_read); + goto bad; + } + +out: + dc->delayed_pool = mempool_create_slab_pool(128, delayed_cache); + if (!dc->delayed_pool) { + DMERR("Couldn't create delayed bio pool."); + goto bad; + } + + init_timer(&dc->delay_timer); + dc->delay_timer.function = handle_delayed_timer; + dc->delay_timer.data = (unsigned long)dc; + + INIT_WORK(&dc->flush_expired_bios, flush_expired_bios); + INIT_LIST_HEAD(&dc->delayed_bios); + init_MUTEX(&dc->timer_lock); + atomic_set(&dc->may_delay, 1); + + ti->private = dc; + return 0; + +bad: + kfree(dc); + return -EINVAL; +} + +static void delay_dtr(struct dm_target *ti) +{ + struct delay_c *dc = ti->private; + + flush_workqueue(kdelayd_wq); + + dm_put_device(ti, dc->dev_read); + + if (dc->dev_write) + dm_put_device(ti, dc->dev_write); + + mempool_destroy(dc->delayed_pool); + kfree(dc); +} + +static int delay_bio(struct delay_c *dc, int delay, struct bio *bio) +{ + struct delay_info *delayed; + unsigned long expires = 0; + + if (!delay || !atomic_read(&dc->may_delay)) + return 1; + + delayed = mempool_alloc(dc->delayed_pool, GFP_NOIO); + + delayed->context = dc; + delayed->bio = bio; + delayed->expires = expires = jiffies + (delay * HZ / 1000); + + mutex_lock(&delayed_bios_lock); + + if (bio_data_dir(bio) == WRITE) + dc->writes++; + else + dc->reads++; + + list_add_tail(&delayed->list, &dc->delayed_bios); + + mutex_unlock(&delayed_bios_lock); + + queue_timeout(dc, expires); + + return 0; +} + +static void delay_presuspend(struct dm_target *ti) +{ + struct delay_c *dc = ti->private; + + atomic_set(&dc->may_delay, 0); + del_timer_sync(&dc->delay_timer); + flush_bios(flush_delayed_bios(dc, 1)); +} + +static void delay_resume(struct dm_target *ti) +{ + struct delay_c *dc = ti->private; + + atomic_set(&dc->may_delay, 1); +} + +static int delay_map(struct dm_target *ti, struct bio *bio, + union map_info *map_context) +{ + struct delay_c *dc = ti->private; + + if ((bio_data_dir(bio) == WRITE) && (dc->dev_write)) { + bio->bi_bdev = dc->dev_write->bdev; + bio->bi_sector = dc->start_write + + (bio->bi_sector - ti->begin); + + return delay_bio(dc, dc->write_delay, bio); + } + + bio->bi_bdev = dc->dev_read->bdev; + bio->bi_sector = dc->start_read + + (bio->bi_sector - ti->begin); + + return delay_bio(dc, dc->read_delay, bio); +} + +static int delay_status(struct dm_target *ti, status_type_t type, + char *result, unsigned maxlen) +{ + struct delay_c *dc = ti->private; + int sz = 0; + + switch (type) { + case STATUSTYPE_INFO: + DMEMIT("%u %u", dc->reads, dc->writes); + break; + + case STATUSTYPE_TABLE: + DMEMIT("%s %llu %u", dc->dev_read->name, + (unsigned long long) dc->start_read, + dc->read_delay); + if (dc->dev_write) + DMEMIT("%s %llu %u", dc->dev_write->name, + (unsigned long long) dc->start_write, + dc->write_delay); + break; + } + + return 0; +} + +static struct target_type delay_target = { + .name = "delay", + .version = {1, 0, 2}, + .module = THIS_MODULE, + .ctr = delay_ctr, + .dtr = delay_dtr, + .map = delay_map, + .presuspend = delay_presuspend, + .resume = delay_resume, + .status = delay_status, +}; + +static int __init dm_delay_init(void) +{ + int r = -ENOMEM; + + kdelayd_wq = create_workqueue("kdelayd"); + if (!kdelayd_wq) { + DMERR("Couldn't start kdelayd"); + goto bad_queue; + } + + delayed_cache = kmem_cache_create("dm-delay", + sizeof(struct delay_info), + __alignof__(struct delay_info), + 0, NULL, NULL); + if (!delayed_cache) { + DMERR("Couldn't create delayed bio cache."); + goto bad_memcache; + } + + r = dm_register_target(&delay_target); + if (r < 0) { + DMERR("register failed %d", r); + goto bad_register; + } + + return 0; + +bad_register: + kmem_cache_destroy(delayed_cache); +bad_memcache: + destroy_workqueue(kdelayd_wq); +bad_queue: + return r; +} + +static void __exit dm_delay_exit(void) +{ + int r = dm_unregister_target(&delay_target); + + if (r < 0) + DMERR("unregister failed %d", r); + + kmem_cache_destroy(delayed_cache); + destroy_workqueue(kdelayd_wq); +} + +/* Module hooks */ +module_init(dm_delay_init); +module_exit(dm_delay_exit); + +MODULE_DESCRIPTION(DM_NAME " delay target"); +MODULE_AUTHOR("Heinz Mauelshagen <mauelshagen@redhat.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 99cdffa7fbfe..07e0a0c84f6e 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -1,7 +1,8 @@ /* - * dm-snapshot.c + * dm-exception-store.c * * Copyright (C) 2001-2002 Sistina Software (UK) Limited. + * Copyright (C) 2006 Red Hat GmbH * * This file is released under the GPL. */ @@ -123,6 +124,7 @@ struct pstore { atomic_t pending_count; uint32_t callback_count; struct commit_callback *callbacks; + struct dm_io_client *io_client; }; static inline unsigned int sectors_to_pages(unsigned int sectors) @@ -159,14 +161,20 @@ static void free_area(struct pstore *ps) */ static int chunk_io(struct pstore *ps, uint32_t chunk, int rw) { - struct io_region where; - unsigned long bits; - - where.bdev = ps->snap->cow->bdev; - where.sector = ps->snap->chunk_size * chunk; - where.count = ps->snap->chunk_size; - - return dm_io_sync_vm(1, &where, rw, ps->area, &bits); + struct io_region where = { + .bdev = ps->snap->cow->bdev, + .sector = ps->snap->chunk_size * chunk, + .count = ps->snap->chunk_size, + }; + struct dm_io_request io_req = { + .bi_rw = rw, + .mem.type = DM_IO_VMA, + .mem.ptr.vma = ps->area, + .client = ps->io_client, + .notify.fn = NULL, + }; + + return dm_io(&io_req, 1, &where, NULL); } /* @@ -213,17 +221,18 @@ static int read_header(struct pstore *ps, int *new_snapshot) chunk_size_supplied = 0; } - r = dm_io_get(sectors_to_pages(ps->snap->chunk_size)); - if (r) - return r; + ps->io_client = dm_io_client_create(sectors_to_pages(ps->snap-> + chunk_size)); + if (IS_ERR(ps->io_client)) + return PTR_ERR(ps->io_client); r = alloc_area(ps); if (r) - goto bad1; + return r; r = chunk_io(ps, 0, READ); if (r) - goto bad2; + goto bad; dh = (struct disk_header *) ps->area; @@ -235,7 +244,7 @@ static int read_header(struct pstore *ps, int *new_snapshot) if (le32_to_cpu(dh->magic) != SNAP_MAGIC) { DMWARN("Invalid or corrupt snapshot"); r = -ENXIO; - goto bad2; + goto bad; } *new_snapshot = 0; @@ -252,27 +261,22 @@ static int read_header(struct pstore *ps, int *new_snapshot) (unsigned long long)ps->snap->chunk_size); /* We had a bogus chunk_size. Fix stuff up. */ - dm_io_put(sectors_to_pages(ps->snap->chunk_size)); free_area(ps); ps->snap->chunk_size = chunk_size; ps->snap->chunk_mask = chunk_size - 1; ps->snap->chunk_shift = ffs(chunk_size) - 1; - r = dm_io_get(sectors_to_pages(chunk_size)); + r = dm_io_client_resize(sectors_to_pages(ps->snap->chunk_size), + ps->io_client); if (r) return r; r = alloc_area(ps); - if (r) - goto bad1; - - return 0; + return r; -bad2: +bad: free_area(ps); -bad1: - dm_io_put(sectors_to_pages(ps->snap->chunk_size)); return r; } @@ -405,7 +409,7 @@ static void persistent_destroy(struct exception_store *store) { struct pstore *ps = get_info(store); - dm_io_put(sectors_to_pages(ps->snap->chunk_size)); + dm_io_client_destroy(ps->io_client); vfree(ps->callbacks); free_area(ps); kfree(ps); diff --git a/drivers/md/dm-hw-handler.h b/drivers/md/dm-hw-handler.h index 32eff28e4adc..e0832e6fcf36 100644 --- a/drivers/md/dm-hw-handler.h +++ b/drivers/md/dm-hw-handler.h @@ -16,6 +16,7 @@ struct hw_handler_type; struct hw_handler { struct hw_handler_type *type; + struct mapped_device *md; void *context; }; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 8bdc8a87b249..352c6fbeac53 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2003 Sistina Software + * Copyright (C) 2006 Red Hat GmbH * * This file is released under the GPL. */ @@ -12,13 +13,17 @@ #include <linux/sched.h> #include <linux/slab.h> -static struct bio_set *_bios; +struct dm_io_client { + mempool_t *pool; + struct bio_set *bios; +}; /* FIXME: can we shrink this ? */ struct io { unsigned long error; atomic_t count; struct task_struct *sleeper; + struct dm_io_client *client; io_notify_fn callback; void *context; }; @@ -26,63 +31,58 @@ struct io { /* * io contexts are only dynamically allocated for asynchronous * io. Since async io is likely to be the majority of io we'll - * have the same number of io contexts as buffer heads ! (FIXME: - * must reduce this). + * have the same number of io contexts as bios! (FIXME: must reduce this). */ -static unsigned _num_ios; -static mempool_t *_io_pool; static unsigned int pages_to_ios(unsigned int pages) { return 4 * pages; /* too many ? */ } -static int resize_pool(unsigned int new_ios) +/* + * Create a client with mempool and bioset. + */ +struct dm_io_client *dm_io_client_create(unsigned num_pages) { - int r = 0; - - if (_io_pool) { - if (new_ios == 0) { - /* free off the pool */ - mempool_destroy(_io_pool); - _io_pool = NULL; - bioset_free(_bios); - - } else { - /* resize the pool */ - r = mempool_resize(_io_pool, new_ios, GFP_KERNEL); - } + unsigned ios = pages_to_ios(num_pages); + struct dm_io_client *client; - } else { - /* create new pool */ - _io_pool = mempool_create_kmalloc_pool(new_ios, - sizeof(struct io)); - if (!_io_pool) - return -ENOMEM; - - _bios = bioset_create(16, 16); - if (!_bios) { - mempool_destroy(_io_pool); - _io_pool = NULL; - return -ENOMEM; - } - } + client = kmalloc(sizeof(*client), GFP_KERNEL); + if (!client) + return ERR_PTR(-ENOMEM); + + client->pool = mempool_create_kmalloc_pool(ios, sizeof(struct io)); + if (!client->pool) + goto bad; - if (!r) - _num_ios = new_ios; + client->bios = bioset_create(16, 16); + if (!client->bios) + goto bad; - return r; + return client; + + bad: + if (client->pool) + mempool_destroy(client->pool); + kfree(client); + return ERR_PTR(-ENOMEM); } +EXPORT_SYMBOL(dm_io_client_create); -int dm_io_get(unsigned int num_pages) +int dm_io_client_resize(unsigned num_pages, struct dm_io_client *client) { - return resize_pool(_num_ios + pages_to_ios(num_pages)); + return mempool_resize(client->pool, pages_to_ios(num_pages), + GFP_KERNEL); } +EXPORT_SYMBOL(dm_io_client_resize); -void dm_io_put(unsigned int num_pages) +void dm_io_client_destroy(struct dm_io_client *client) { - resize_pool(_num_ios - pages_to_ios(num_pages)); + mempool_destroy(client->pool); + bioset_free(client->bios); + kfree(client); } +EXPORT_SYMBOL(dm_io_client_destroy); /*----------------------------------------------------------------- * We need to keep track of which region a bio is doing io for. @@ -118,7 +118,7 @@ static void dec_count(struct io *io, unsigned int region, int error) io_notify_fn fn = io->callback; void *context = io->context; - mempool_free(io, _io_pool); + mempool_free(io, io->client->pool); fn(r, context); } } @@ -126,7 +126,8 @@ static void dec_count(struct io *io, unsigned int region, int error) static int endio(struct bio *bio, unsigned int done, int error) { - struct io *io = (struct io *) bio->bi_private; + struct io *io; + unsigned region; /* keep going until we've finished */ if (bio->bi_size) @@ -135,10 +136,17 @@ static int endio(struct bio *bio, unsigned int done, int error) if (error && bio_data_dir(bio) == READ) zero_fill_bio(bio); - dec_count(io, bio_get_region(bio), error); + /* + * The bio destructor in bio_put() may use the io object. + */ + io = bio->bi_private; + region = bio_get_region(bio); + bio->bi_max_vecs++; bio_put(bio); + dec_count(io, region, error); + return 0; } @@ -209,6 +217,9 @@ static void bvec_dp_init(struct dpages *dp, struct bio_vec *bvec) dp->context_ptr = bvec; } +/* + * Functions for getting the pages from a VMA. + */ static void vm_get_page(struct dpages *dp, struct page **p, unsigned long *len, unsigned *offset) { @@ -233,7 +244,34 @@ static void vm_dp_init(struct dpages *dp, void *data) static void dm_bio_destructor(struct bio *bio) { - bio_free(bio, _bios); + struct io *io = bio->bi_private; + + bio_free(bio, io->client->bios); +} + +/* + * Functions for getting the pages from kernel memory. + */ +static void km_get_page(struct dpages *dp, struct page **p, unsigned long *len, + unsigned *offset) +{ + *p = virt_to_page(dp->context_ptr); + *offset = dp->context_u; + *len = PAGE_SIZE - dp->context_u; +} + +static void km_next_page(struct dpages *dp) +{ + dp->context_ptr += PAGE_SIZE - dp->context_u; + dp->context_u = 0; +} + +static void km_dp_init(struct dpages *dp, void *data) +{ + dp->get_page = km_get_page; + dp->next_page = km_next_page; + dp->context_u = ((unsigned long) data) & (PAGE_SIZE - 1); + dp->context_ptr = data; } /*----------------------------------------------------------------- @@ -256,7 +294,7 @@ static void do_region(int rw, unsigned int region, struct io_region *where, * to hide it from bio_add_page(). */ num_bvecs = (remaining / (PAGE_SIZE >> SECTOR_SHIFT)) + 2; - bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, _bios); + bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, io->client->bios); bio->bi_sector = where->sector + (where->count - remaining); bio->bi_bdev = where->bdev; bio->bi_end_io = endio; @@ -311,8 +349,9 @@ static void dispatch_io(int rw, unsigned int num_regions, dec_count(io, 0, 0); } -static int sync_io(unsigned int num_regions, struct io_region *where, - int rw, struct dpages *dp, unsigned long *error_bits) +static int sync_io(struct dm_io_client *client, unsigned int num_regions, + struct io_region *where, int rw, struct dpages *dp, + unsigned long *error_bits) { struct io io; @@ -324,6 +363,7 @@ static int sync_io(unsigned int num_regions, struct io_region *where, io.error = 0; atomic_set(&io.count, 1); /* see dispatch_io() */ io.sleeper = current; + io.client = client; dispatch_io(rw, num_regions, where, dp, &io, 1); @@ -340,12 +380,15 @@ static int sync_io(unsigned int num_regions, struct io_region *where, if (atomic_read(&io.count)) return -EINTR; - *error_bits = io.error; + if (error_bits) + *error_bits = io.error; + return io.error ? -EIO : 0; } -static int async_io(unsigned int num_regions, struct io_region *where, int rw, - struct dpages *dp, io_notify_fn fn, void *context) +static int async_io(struct dm_io_client *client, unsigned int num_regions, + struct io_region *where, int rw, struct dpages *dp, + io_notify_fn fn, void *context) { struct io *io; @@ -355,10 +398,11 @@ static int async_io(unsigned int num_regions, struct io_region *where, int rw, return -EIO; } - io = mempool_alloc(_io_pool, GFP_NOIO); + io = mempool_alloc(client->pool, GFP_NOIO); io->error = 0; atomic_set(&io->count, 1); /* see dispatch_io() */ io->sleeper = NULL; + io->client = client; io->callback = fn; io->context = context; @@ -366,61 +410,51 @@ static int async_io(unsigned int num_regions, struct io_region *where, int rw, return 0; } -int dm_io_sync(unsigned int num_regions, struct io_region *where, int rw, - struct page_list *pl, unsigned int offset, - unsigned long *error_bits) +static int dp_init(struct dm_io_request *io_req, struct dpages *dp) { - struct dpages dp; - list_dp_init(&dp, pl, offset); - return sync_io(num_regions, where, rw, &dp, error_bits); -} + /* Set up dpages based on memory type */ + switch (io_req->mem.type) { + case DM_IO_PAGE_LIST: + list_dp_init(dp, io_req->mem.ptr.pl, io_req->mem.offset); + break; + + case DM_IO_BVEC: + bvec_dp_init(dp, io_req->mem.ptr.bvec); + break; + + case DM_IO_VMA: + vm_dp_init(dp, io_req->mem.ptr.vma); + break; + + case DM_IO_KMEM: + km_dp_init(dp, io_req->mem.ptr.addr); + break; + + default: + return -EINVAL; + } -int dm_io_sync_bvec(unsigned int num_regions, struct io_region *where, int rw, - struct bio_vec *bvec, unsigned long *error_bits) -{ - struct dpages dp; - bvec_dp_init(&dp, bvec); - return sync_io(num_regions, where, rw, &dp, error_bits); + return 0; } -int dm_io_sync_vm(unsigned int num_regions, struct io_region *where, int rw, - void *data, unsigned long *error_bits) +/* + * New collapsed (a)synchronous interface + */ +int dm_io(struct dm_io_request *io_req, unsigned num_regions, + struct io_region *where, unsigned long *sync_error_bits) { + int r; struct dpages dp; - vm_dp_init(&dp, data); - return sync_io(num_regions, where, rw, &dp, error_bits); -} -int dm_io_async(unsigned int num_regions, struct io_region *where, int rw, - struct page_list *pl, unsigned int offset, - io_notify_fn fn, void *context) -{ - struct dpages dp; - list_dp_init(&dp, pl, offset); - return async_io(num_regions, where, rw, &dp, fn, context); -} + r = dp_init(io_req, &dp); + if (r) + return r; -int dm_io_async_bvec(unsigned int num_regions, struct io_region *where, int rw, - struct bio_vec *bvec, io_notify_fn fn, void *context) -{ - struct dpages dp; - bvec_dp_init(&dp, bvec); - return async_io(num_regions, where, rw, &dp, fn, context); -} + if (!io_req->notify.fn) + return sync_io(io_req->client, num_regions, where, + io_req->bi_rw, &dp, sync_error_bits); -int dm_io_async_vm(unsigned int num_regions, struct io_region *where, int rw, - void *data, io_notify_fn fn, void *context) -{ - struct dpages dp; - vm_dp_init(&dp, data); - return async_io(num_regions, where, rw, &dp, fn, context); + return async_io(io_req->client, num_regions, where, io_req->bi_rw, + &dp, io_req->notify.fn, io_req->notify.context); } - -EXPORT_SYMBOL(dm_io_get); -EXPORT_SYMBOL(dm_io_put); -EXPORT_SYMBOL(dm_io_sync); -EXPORT_SYMBOL(dm_io_async); -EXPORT_SYMBOL(dm_io_sync_bvec); -EXPORT_SYMBOL(dm_io_async_bvec); -EXPORT_SYMBOL(dm_io_sync_vm); -EXPORT_SYMBOL(dm_io_async_vm); +EXPORT_SYMBOL(dm_io); diff --git a/drivers/md/dm-io.h b/drivers/md/dm-io.h index f9035bfd1a9f..f647e2cceaa6 100644 --- a/drivers/md/dm-io.h +++ b/drivers/md/dm-io.h @@ -12,7 +12,7 @@ struct io_region { struct block_device *bdev; sector_t sector; - sector_t count; + sector_t count; /* If this is zero the region is ignored. */ }; struct page_list { @@ -20,55 +20,60 @@ struct page_list { struct page *page; }; - -/* - * 'error' is a bitset, with each bit indicating whether an error - * occurred doing io to the corresponding region. - */ typedef void (*io_notify_fn)(unsigned long error, void *context); +enum dm_io_mem_type { + DM_IO_PAGE_LIST,/* Page list */ + DM_IO_BVEC, /* Bio vector */ + DM_IO_VMA, /* Virtual memory area */ + DM_IO_KMEM, /* Kernel memory */ +}; + +struct dm_io_memory { + enum dm_io_mem_type type; + + union { + struct page_list *pl; + struct bio_vec *bvec; + void *vma; + void *addr; + } ptr; + + unsigned offset; +}; + +struct dm_io_notify { + io_notify_fn fn; /* Callback for asynchronous requests */ + void *context; /* Passed to callback */ +}; /* - * Before anyone uses the IO interface they should call - * dm_io_get(), specifying roughly how many pages they are - * expecting to perform io on concurrently. - * - * This function may block. + * IO request structure */ -int dm_io_get(unsigned int num_pages); -void dm_io_put(unsigned int num_pages); +struct dm_io_client; +struct dm_io_request { + int bi_rw; /* READ|WRITE - not READA */ + struct dm_io_memory mem; /* Memory to use for io */ + struct dm_io_notify notify; /* Synchronous if notify.fn is NULL */ + struct dm_io_client *client; /* Client memory handler */ +}; /* - * Synchronous IO. + * For async io calls, users can alternatively use the dm_io() function below + * and dm_io_client_create() to create private mempools for the client. * - * Please ensure that the rw flag in the next two functions is - * either READ or WRITE, ie. we don't take READA. Any - * regions with a zero count field will be ignored. + * Create/destroy may block. */ -int dm_io_sync(unsigned int num_regions, struct io_region *where, int rw, - struct page_list *pl, unsigned int offset, - unsigned long *error_bits); - -int dm_io_sync_bvec(unsigned int num_regions, struct io_region *where, int rw, - struct bio_vec *bvec, unsigned long *error_bits); - -int dm_io_sync_vm(unsigned int num_regions, struct io_region *where, int rw, - void *data, unsigned long *error_bits); +struct dm_io_client *dm_io_client_create(unsigned num_pages); +int dm_io_client_resize(unsigned num_pages, struct dm_io_client *client); +void dm_io_client_destroy(struct dm_io_client *client); /* - * Aynchronous IO. - * - * The 'where' array may be safely allocated on the stack since - * the function takes a copy. + * IO interface using private per-client pools. + * Each bit in the optional 'sync_error_bits' bitset indicates whether an + * error occurred doing io to the corresponding region. */ -int dm_io_async(unsigned int num_regions, struct io_region *where, int rw, - struct page_list *pl, unsigned int offset, - io_notify_fn fn, void *context); - -int dm_io_async_bvec(unsigned int num_regions, struct io_region *where, int rw, - struct bio_vec *bvec, io_notify_fn fn, void *context); - -int dm_io_async_vm(unsigned int num_regions, struct io_region *where, int rw, - void *data, io_notify_fn fn, void *context); +int dm_io(struct dm_io_request *io_req, unsigned num_regions, + struct io_region *region, unsigned long *sync_error_bits); #endif diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 6a9261351848..a66428d860fe 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -149,9 +149,12 @@ struct log_c { FORCESYNC, /* Force a sync to happen */ } sync; + struct dm_io_request io_req; + /* * Disk log fields */ + int log_dev_failed; struct dm_dev *log_dev; struct log_header header; @@ -199,13 +202,20 @@ static void header_from_disk(struct log_header *core, struct log_header *disk) core->nr_regions = le64_to_cpu(disk->nr_regions); } +static int rw_header(struct log_c *lc, int rw) +{ + lc->io_req.bi_rw = rw; + lc->io_req.mem.ptr.vma = lc->disk_header; + lc->io_req.notify.fn = NULL; + + return dm_io(&lc->io_req, 1, &lc->header_location, NULL); +} + static int read_header(struct log_c *log) { int r; - unsigned long ebits; - r = dm_io_sync_vm(1, &log->header_location, READ, - log->disk_header, &ebits); + r = rw_header(log, READ); if (r) return r; @@ -233,11 +243,8 @@ static int read_header(struct log_c *log) static inline int write_header(struct log_c *log) { - unsigned long ebits; - header_to_disk(&log->header, log->disk_header); - return dm_io_sync_vm(1, &log->header_location, WRITE, - log->disk_header, &ebits); + return rw_header(log, WRITE); } /*---------------------------------------------------------------- @@ -256,6 +263,7 @@ static int create_log_context(struct dirty_log *log, struct dm_target *ti, uint32_t region_size; unsigned int region_count; size_t bitset_size, buf_size; + int r; if (argc < 1 || argc > 2) { DMWARN("wrong number of arguments to mirror log"); @@ -315,6 +323,7 @@ static int create_log_context(struct dirty_log *log, struct dm_target *ti, lc->disk_header = NULL; } else { lc->log_dev = dev; + lc->log_dev_failed = 0; lc->header_location.bdev = lc->log_dev->bdev; lc->header_location.sector = 0; @@ -324,6 +333,15 @@ static int create_log_context(struct dirty_log *log, struct dm_target *ti, buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + bitset_size, ti->limits.hardsect_size); lc->header_location.count = buf_size >> SECTOR_SHIFT; + lc->io_req.mem.type = DM_IO_VMA; + lc->io_req.client = dm_io_client_create(dm_div_up(buf_size, + PAGE_SIZE)); + if (IS_ERR(lc->io_req.client)) { + r = PTR_ERR(lc->io_req.client); + DMWARN("couldn't allocate disk io client"); + kfree(lc); + return -ENOMEM; + } lc->disk_header = vmalloc(buf_size); if (!lc->disk_header) { @@ -424,6 +442,7 @@ static void disk_dtr(struct dirty_log *log) dm_put_device(lc->ti, lc->log_dev); vfree(lc->disk_header); + dm_io_client_destroy(lc->io_req.client); destroy_log_context(lc); } @@ -437,6 +456,15 @@ static int count_bits32(uint32_t *addr, unsigned size) return count; } +static void fail_log_device(struct log_c *lc) +{ + if (lc->log_dev_failed) + return; + + lc->log_dev_failed = 1; + dm_table_event(lc->ti->table); +} + static int disk_resume(struct dirty_log *log) { int r; @@ -446,8 +474,19 @@ static int disk_resume(struct dirty_log *log) /* read the disk header */ r = read_header(lc); - if (r) - return r; + if (r) { + DMWARN("%s: Failed to read header on mirror log device", + lc->log_dev->name); + fail_log_device(lc); + /* + * If the log device cannot be read, we must assume + * all regions are out-of-sync. If we simply return + * here, the state will be uninitialized and could + * lead us to return 'in-sync' status for regions + * that are actually 'out-of-sync'. + */ + lc->header.nr_regions = 0; + } /* set or clear any new bits -- device has grown */ if (lc->sync == NOSYNC) @@ -472,7 +511,14 @@ static int disk_resume(struct dirty_log *log) lc->header.nr_regions = lc->region_count; /* write the new header */ - return write_header(lc); + r = write_header(lc); + if (r) { + DMWARN("%s: Failed to write header on mirror log device", + lc->log_dev->name); + fail_log_device(lc); + } + + return r; } static uint32_t core_get_region_size(struct dirty_log *log) @@ -516,7 +562,9 @@ static int disk_flush(struct dirty_log *log) return 0; r = write_header(lc); - if (!r) + if (r) + fail_log_device(lc); + else lc->touched = 0; return r; @@ -591,6 +639,7 @@ static int core_status(struct dirty_log *log, status_type_t status, switch(status) { case STATUSTYPE_INFO: + DMEMIT("1 %s", log->type->name); break; case STATUSTYPE_TABLE: @@ -606,17 +655,17 @@ static int disk_status(struct dirty_log *log, status_type_t status, char *result, unsigned int maxlen) { int sz = 0; - char buffer[16]; struct log_c *lc = log->context; switch(status) { case STATUSTYPE_INFO: + DMEMIT("3 %s %s %c", log->type->name, lc->log_dev->name, + lc->log_dev_failed ? 'D' : 'A'); break; case STATUSTYPE_TABLE: - format_dev_t(buffer, lc->log_dev->bdev->bd_dev); DMEMIT("%s %u %s %u ", log->type->name, - lc->sync == DEFAULTSYNC ? 2 : 3, buffer, + lc->sync == DEFAULTSYNC ? 2 : 3, lc->log_dev->name, lc->region_size); DMEMIT_SYNC; } diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 3aa013506967..de54b39e6ffe 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -668,6 +668,9 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m) return -EINVAL; } + m->hw_handler.md = dm_table_get_md(ti->table); + dm_put(m->hw_handler.md); + r = hwht->create(&m->hw_handler, hw_argc - 1, as->argv); if (r) { dm_put_hw_handler(hwht); diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 23a642619bed..ef124b71ccc8 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -21,15 +21,11 @@ #include <linux/workqueue.h> #define DM_MSG_PREFIX "raid1" +#define DM_IO_PAGES 64 -static struct workqueue_struct *_kmirrord_wq; -static struct work_struct _kmirrord_work; -static DECLARE_WAIT_QUEUE_HEAD(_kmirrord_recovery_stopped); +#define DM_RAID1_HANDLE_ERRORS 0x01 -static inline void wake(void) -{ - queue_work(_kmirrord_wq, &_kmirrord_work); -} +static DECLARE_WAIT_QUEUE_HEAD(_kmirrord_recovery_stopped); /*----------------------------------------------------------------- * Region hash @@ -125,17 +121,23 @@ struct mirror_set { struct list_head list; struct region_hash rh; struct kcopyd_client *kcopyd_client; + uint64_t features; spinlock_t lock; /* protects the next two lists */ struct bio_list reads; struct bio_list writes; + struct dm_io_client *io_client; + /* recovery */ region_t nr_regions; int in_sync; struct mirror *default_mirror; /* Default mirror */ + struct workqueue_struct *kmirrord_wq; + struct work_struct kmirrord_work; + unsigned int nr_mirrors; struct mirror mirror[0]; }; @@ -153,6 +155,11 @@ static inline sector_t region_to_sector(struct region_hash *rh, region_t region) return region << rh->region_shift; } +static void wake(struct mirror_set *ms) +{ + queue_work(ms->kmirrord_wq, &ms->kmirrord_work); +} + /* FIXME move this */ static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw); @@ -398,8 +405,7 @@ static void rh_update_states(struct region_hash *rh) mempool_free(reg, rh->region_pool); } - if (!list_empty(&recovered)) - rh->log->type->flush(rh->log); + rh->log->type->flush(rh->log); list_for_each_entry_safe (reg, next, &clean, list) mempool_free(reg, rh->region_pool); @@ -471,7 +477,7 @@ static void rh_dec(struct region_hash *rh, region_t region) spin_unlock_irqrestore(&rh->region_lock, flags); if (should_wake) - wake(); + wake(rh->ms); } /* @@ -558,7 +564,7 @@ static void rh_recovery_end(struct region *reg, int success) list_add(®->list, ®->rh->recovered_regions); spin_unlock_irq(&rh->region_lock); - wake(); + wake(rh->ms); } static void rh_flush(struct region_hash *rh) @@ -592,7 +598,7 @@ static void rh_start_recovery(struct region_hash *rh) for (i = 0; i < MAX_RECOVERY; i++) up(&rh->recovery_count); - wake(); + wake(rh->ms); } /* @@ -735,7 +741,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads) /* * We can only read balance if the region is in sync. */ - if (rh_in_sync(&ms->rh, region, 0)) + if (rh_in_sync(&ms->rh, region, 1)) m = choose_mirror(ms, bio->bi_sector); else m = ms->default_mirror; @@ -792,6 +798,14 @@ static void do_write(struct mirror_set *ms, struct bio *bio) unsigned int i; struct io_region io[KCOPYD_MAX_REGIONS+1]; struct mirror *m; + struct dm_io_request io_req = { + .bi_rw = WRITE, + .mem.type = DM_IO_BVEC, + .mem.ptr.bvec = bio->bi_io_vec + bio->bi_idx, + .notify.fn = write_callback, + .notify.context = bio, + .client = ms->io_client, + }; for (i = 0; i < ms->nr_mirrors; i++) { m = ms->mirror + i; @@ -802,9 +816,8 @@ static void do_write(struct mirror_set *ms, struct bio *bio) } bio_set_ms(bio, ms); - dm_io_async_bvec(ms->nr_mirrors, io, WRITE, - bio->bi_io_vec + bio->bi_idx, - write_callback, bio); + + (void) dm_io(&io_req, ms->nr_mirrors, io, NULL); } static void do_writes(struct mirror_set *ms, struct bio_list *writes) @@ -870,11 +883,10 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes) /*----------------------------------------------------------------- * kmirrord *---------------------------------------------------------------*/ -static LIST_HEAD(_mirror_sets); -static DECLARE_RWSEM(_mirror_sets_lock); - -static void do_mirror(struct mirror_set *ms) +static void do_mirror(struct work_struct *work) { + struct mirror_set *ms =container_of(work, struct mirror_set, + kmirrord_work); struct bio_list reads, writes; spin_lock(&ms->lock); @@ -890,16 +902,6 @@ static void do_mirror(struct mirror_set *ms) do_writes(ms, &writes); } -static void do_work(struct work_struct *ignored) -{ - struct mirror_set *ms; - - down_read(&_mirror_sets_lock); - list_for_each_entry (ms, &_mirror_sets, list) - do_mirror(ms); - up_read(&_mirror_sets_lock); -} - /*----------------------------------------------------------------- * Target functions *---------------------------------------------------------------*/ @@ -931,6 +933,13 @@ static struct mirror_set *alloc_context(unsigned int nr_mirrors, ms->in_sync = 0; ms->default_mirror = &ms->mirror[DEFAULT_MIRROR]; + ms->io_client = dm_io_client_create(DM_IO_PAGES); + if (IS_ERR(ms->io_client)) { + ti->error = "Error creating dm_io client"; + kfree(ms); + return NULL; + } + if (rh_init(&ms->rh, ms, dl, region_size, ms->nr_regions)) { ti->error = "Error creating dirty region hash"; kfree(ms); @@ -946,6 +955,7 @@ static void free_context(struct mirror_set *ms, struct dm_target *ti, while (m--) dm_put_device(ti, ms->mirror[m].dev); + dm_io_client_destroy(ms->io_client); rh_exit(&ms->rh); kfree(ms); } @@ -978,23 +988,6 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti, return 0; } -static int add_mirror_set(struct mirror_set *ms) -{ - down_write(&_mirror_sets_lock); - list_add_tail(&ms->list, &_mirror_sets); - up_write(&_mirror_sets_lock); - wake(); - - return 0; -} - -static void del_mirror_set(struct mirror_set *ms) -{ - down_write(&_mirror_sets_lock); - list_del(&ms->list); - up_write(&_mirror_sets_lock); -} - /* * Create dirty log: log_type #log_params <log_params> */ @@ -1037,16 +1030,55 @@ static struct dirty_log *create_dirty_log(struct dm_target *ti, return dl; } +static int parse_features(struct mirror_set *ms, unsigned argc, char **argv, + unsigned *args_used) +{ + unsigned num_features; + struct dm_target *ti = ms->ti; + + *args_used = 0; + + if (!argc) + return 0; + + if (sscanf(argv[0], "%u", &num_features) != 1) { + ti->error = "Invalid number of features"; + return -EINVAL; + } + + argc--; + argv++; + (*args_used)++; + + if (num_features > argc) { + ti->error = "Not enough arguments to support feature count"; + return -EINVAL; + } + + if (!strcmp("handle_errors", argv[0])) + ms->features |= DM_RAID1_HANDLE_ERRORS; + else { + ti->error = "Unrecognised feature requested"; + return -EINVAL; + } + + (*args_used)++; + + return 0; +} + /* * Construct a mirror mapping: * * log_type #log_params <log_params> * #mirrors [mirror_path offset]{2,} + * [#features <features>] * * log_type is "core" or "disk" * #log_params is between 1 and 3 + * + * If present, features must be "handle_errors". */ -#define DM_IO_PAGES 64 static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) { int r; @@ -1070,8 +1102,8 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) argv++, argc--; - if (argc != nr_mirrors * 2) { - ti->error = "Wrong number of mirror arguments"; + if (argc < nr_mirrors * 2) { + ti->error = "Too few mirror arguments"; dm_destroy_dirty_log(dl); return -EINVAL; } @@ -1096,13 +1128,37 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->private = ms; ti->split_io = ms->rh.region_size; + ms->kmirrord_wq = create_singlethread_workqueue("kmirrord"); + if (!ms->kmirrord_wq) { + DMERR("couldn't start kmirrord"); + free_context(ms, ti, m); + return -ENOMEM; + } + INIT_WORK(&ms->kmirrord_work, do_mirror); + + r = parse_features(ms, argc, argv, &args_used); + if (r) { + free_context(ms, ti, ms->nr_mirrors); + return r; + } + + argv += args_used; + argc -= args_used; + + if (argc) { + ti->error = "Too many mirror arguments"; + free_context(ms, ti, ms->nr_mirrors); + return -EINVAL; + } + r = kcopyd_client_create(DM_IO_PAGES, &ms->kcopyd_client); if (r) { + destroy_workqueue(ms->kmirrord_wq); free_context(ms, ti, ms->nr_mirrors); return r; } - add_mirror_set(ms); + wake(ms); return 0; } @@ -1110,8 +1166,9 @@ static void mirror_dtr(struct dm_target *ti) { struct mirror_set *ms = (struct mirror_set *) ti->private; - del_mirror_set(ms); + flush_workqueue(ms->kmirrord_wq); kcopyd_client_destroy(ms->kcopyd_client); + destroy_workqueue(ms->kmirrord_wq); free_context(ms, ti, ms->nr_mirrors); } @@ -1127,7 +1184,7 @@ static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw) spin_unlock(&ms->lock); if (should_wake) - wake(); + wake(ms); } /* @@ -1222,11 +1279,9 @@ static void mirror_resume(struct dm_target *ti) static int mirror_status(struct dm_target *ti, status_type_t type, char *result, unsigned int maxlen) { - unsigned int m, sz; + unsigned int m, sz = 0; struct mirror_set *ms = (struct mirror_set *) ti->private; - sz = ms->rh.log->type->status(ms->rh.log, type, result, maxlen); - switch (type) { case STATUSTYPE_INFO: DMEMIT("%d ", ms->nr_mirrors); @@ -1237,13 +1292,21 @@ static int mirror_status(struct dm_target *ti, status_type_t type, (unsigned long long)ms->rh.log->type-> get_sync_count(ms->rh.log), (unsigned long long)ms->nr_regions); + + sz = ms->rh.log->type->status(ms->rh.log, type, result, maxlen); + break; case STATUSTYPE_TABLE: + sz = ms->rh.log->type->status(ms->rh.log, type, result, maxlen); + DMEMIT("%d", ms->nr_mirrors); for (m = 0; m < ms->nr_mirrors; m++) DMEMIT(" %s %llu", ms->mirror[m].dev->name, (unsigned long long)ms->mirror[m].offset); + + if (ms->features & DM_RAID1_HANDLE_ERRORS) + DMEMIT(" 1 handle_errors"); } return 0; @@ -1251,7 +1314,7 @@ static int mirror_status(struct dm_target *ti, status_type_t type, static struct target_type mirror_target = { .name = "mirror", - .version = {1, 0, 2}, + .version = {1, 0, 3}, .module = THIS_MODULE, .ctr = mirror_ctr, .dtr = mirror_dtr, @@ -1270,20 +1333,11 @@ static int __init dm_mirror_init(void) if (r) return r; - _kmirrord_wq = create_singlethread_workqueue("kmirrord"); - if (!_kmirrord_wq) { - DMERR("couldn't start kmirrord"); - dm_dirty_log_exit(); - return r; - } - INIT_WORK(&_kmirrord_work, do_work); - r = dm_register_target(&mirror_target); if (r < 0) { DMERR("%s: Failed to register mirror target", mirror_target.name); dm_dirty_log_exit(); - destroy_workqueue(_kmirrord_wq); } return r; @@ -1297,7 +1351,6 @@ static void __exit dm_mirror_exit(void) if (r < 0) DMERR("%s: unregister failed %d", mirror_target.name, r); - destroy_workqueue(_kmirrord_wq); dm_dirty_log_exit(); } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 05befa91807a..2fc199b0016b 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -425,13 +425,15 @@ static void close_dev(struct dm_dev *d, struct mapped_device *md) } /* - * If possible (ie. blk_size[major] is set), this checks an area - * of a destination device is valid. + * If possible, this checks an area of a destination device is valid. */ static int check_device_area(struct dm_dev *dd, sector_t start, sector_t len) { - sector_t dev_size; - dev_size = dd->bdev->bd_inode->i_size >> SECTOR_SHIFT; + sector_t dev_size = dd->bdev->bd_inode->i_size >> SECTOR_SHIFT; + + if (!dev_size) + return 1; + return ((start < dev_size) && (len <= (dev_size - start))); } diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 11a98df298ec..2717a355dc5b 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1236,6 +1236,7 @@ void dm_put(struct mapped_device *md) free_dev(md); } } +EXPORT_SYMBOL_GPL(dm_put); /* * Process the deferred bios diff --git a/drivers/md/kcopyd.c b/drivers/md/kcopyd.c index b46f6c575f7e..dbc234e3c69f 100644 --- a/drivers/md/kcopyd.c +++ b/drivers/md/kcopyd.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2002 Sistina Software (UK) Limited. + * Copyright (C) 2006 Red Hat GmbH * * This file is released under the GPL. * @@ -45,6 +46,8 @@ struct kcopyd_client { unsigned int nr_pages; unsigned int nr_free_pages; + struct dm_io_client *io_client; + wait_queue_head_t destroyq; atomic_t nr_jobs; }; @@ -342,16 +345,20 @@ static void complete_io(unsigned long error, void *context) static int run_io_job(struct kcopyd_job *job) { int r; + struct dm_io_request io_req = { + .bi_rw = job->rw, + .mem.type = DM_IO_PAGE_LIST, + .mem.ptr.pl = job->pages, + .mem.offset = job->offset, + .notify.fn = complete_io, + .notify.context = job, + .client = job->kc->io_client, + }; if (job->rw == READ) - r = dm_io_async(1, &job->source, job->rw, - job->pages, - job->offset, complete_io, job); - + r = dm_io(&io_req, 1, &job->source, NULL); else - r = dm_io_async(job->num_dests, job->dests, job->rw, - job->pages, - job->offset, complete_io, job); + r = dm_io(&io_req, job->num_dests, job->dests, NULL); return r; } @@ -670,8 +677,9 @@ int kcopyd_client_create(unsigned int nr_pages, struct kcopyd_client **result) return r; } - r = dm_io_get(nr_pages); - if (r) { + kc->io_client = dm_io_client_create(nr_pages); + if (IS_ERR(kc->io_client)) { + r = PTR_ERR(kc->io_client); client_free_pages(kc); kfree(kc); kcopyd_exit(); @@ -691,7 +699,7 @@ void kcopyd_client_destroy(struct kcopyd_client *kc) /* Wait for completion of all jobs submitted by this client. */ wait_event(kc->destroyq, !atomic_read(&kc->nr_jobs)); - dm_io_put(kc->nr_pages); + dm_io_client_destroy(kc->io_client); client_free_pages(kc); client_del(kc); kfree(kc); diff --git a/drivers/md/md.c b/drivers/md/md.c index 2b4315d7e5d6..2901d0c0ee9e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -33,6 +33,7 @@ */ #include <linux/module.h> +#include <linux/kernel.h> #include <linux/kthread.h> #include <linux/linkage.h> #include <linux/raid/md.h> @@ -273,6 +274,7 @@ static mddev_t * mddev_find(dev_t unit) atomic_set(&new->active, 1); spin_lock_init(&new->write_lock); init_waitqueue_head(&new->sb_wait); + new->reshape_position = MaxSector; new->queue = blk_alloc_queue(GFP_KERNEL); if (!new->queue) { @@ -589,14 +591,41 @@ abort: return ret; } + +static u32 md_csum_fold(u32 csum) +{ + csum = (csum & 0xffff) + (csum >> 16); + return (csum & 0xffff) + (csum >> 16); +} + static unsigned int calc_sb_csum(mdp_super_t * sb) { + u64 newcsum = 0; + u32 *sb32 = (u32*)sb; + int i; unsigned int disk_csum, csum; disk_csum = sb->sb_csum; sb->sb_csum = 0; - csum = csum_partial((void *)sb, MD_SB_BYTES, 0); + + for (i = 0; i < MD_SB_BYTES/4 ; i++) + newcsum += sb32[i]; + csum = (newcsum & 0xffffffff) + (newcsum>>32); + + +#ifdef CONFIG_ALPHA + /* This used to use csum_partial, which was wrong for several + * reasons including that different results are returned on + * different architectures. It isn't critical that we get exactly + * the same return value as before (we always csum_fold before + * testing, and that removes any differences). However as we + * know that csum_partial always returned a 16bit value on + * alphas, do a fold to maximise conformity to previous behaviour. + */ + sb->sb_csum = md_csum_fold(disk_csum); +#else sb->sb_csum = disk_csum; +#endif return csum; } @@ -684,7 +713,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version if (sb->raid_disks <= 0) goto abort; - if (csum_fold(calc_sb_csum(sb)) != csum_fold(sb->sb_csum)) { + if (md_csum_fold(calc_sb_csum(sb)) != md_csum_fold(sb->sb_csum)) { printk(KERN_WARNING "md: invalid superblock checksum on %s\n", b); goto abort; @@ -694,6 +723,17 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version rdev->data_offset = 0; rdev->sb_size = MD_SB_BYTES; + if (sb->state & (1<<MD_SB_BITMAP_PRESENT)) { + if (sb->level != 1 && sb->level != 4 + && sb->level != 5 && sb->level != 6 + && sb->level != 10) { + /* FIXME use a better test */ + printk(KERN_WARNING + "md: bitmaps not supported for this level.\n"); + goto abort; + } + } + if (sb->level == LEVEL_MULTIPATH) rdev->desc_nr = -1; else @@ -792,16 +832,8 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev) mddev->max_disks = MD_SB_DISKS; if (sb->state & (1<<MD_SB_BITMAP_PRESENT) && - mddev->bitmap_file == NULL) { - if (mddev->level != 1 && mddev->level != 4 - && mddev->level != 5 && mddev->level != 6 - && mddev->level != 10) { - /* FIXME use a better test */ - printk(KERN_WARNING "md: bitmaps not supported for this level.\n"); - return -EINVAL; - } + mddev->bitmap_file == NULL) mddev->bitmap_offset = mddev->default_bitmap_offset; - } } else if (mddev->pers == NULL) { /* Insist on good event counter while assembling */ @@ -1058,6 +1090,18 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version) bdevname(rdev->bdev,b)); return -EINVAL; } + if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_BITMAP_OFFSET)) { + if (sb->level != cpu_to_le32(1) && + sb->level != cpu_to_le32(4) && + sb->level != cpu_to_le32(5) && + sb->level != cpu_to_le32(6) && + sb->level != cpu_to_le32(10)) { + printk(KERN_WARNING + "md: bitmaps not supported for this level.\n"); + return -EINVAL; + } + } + rdev->preferred_minor = 0xffff; rdev->data_offset = le64_to_cpu(sb->data_offset); atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); @@ -1141,14 +1185,9 @@ static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev) mddev->max_disks = (4096-256)/2; if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_BITMAP_OFFSET) && - mddev->bitmap_file == NULL ) { - if (mddev->level != 1 && mddev->level != 5 && mddev->level != 6 - && mddev->level != 10) { - printk(KERN_WARNING "md: bitmaps not supported for this level.\n"); - return -EINVAL; - } + mddev->bitmap_file == NULL ) mddev->bitmap_offset = (__s32)le32_to_cpu(sb->bitmap_offset); - } + if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RESHAPE_ACTIVE)) { mddev->reshape_position = le64_to_cpu(sb->reshape_position); mddev->delta_disks = le32_to_cpu(sb->delta_disks); @@ -2204,6 +2243,10 @@ static ssize_t layout_show(mddev_t *mddev, char *page) { /* just a number, not meaningful for all levels */ + if (mddev->reshape_position != MaxSector && + mddev->layout != mddev->new_layout) + return sprintf(page, "%d (%d)\n", + mddev->new_layout, mddev->layout); return sprintf(page, "%d\n", mddev->layout); } @@ -2212,13 +2255,16 @@ layout_store(mddev_t *mddev, const char *buf, size_t len) { char *e; unsigned long n = simple_strtoul(buf, &e, 10); - if (mddev->pers) - return -EBUSY; if (!*buf || (*e && *e != '\n')) return -EINVAL; - mddev->layout = n; + if (mddev->pers) + return -EBUSY; + if (mddev->reshape_position != MaxSector) + mddev->new_layout = n; + else + mddev->layout = n; return len; } static struct md_sysfs_entry md_layout = @@ -2230,6 +2276,10 @@ raid_disks_show(mddev_t *mddev, char *page) { if (mddev->raid_disks == 0) return 0; + if (mddev->reshape_position != MaxSector && + mddev->delta_disks != 0) + return sprintf(page, "%d (%d)\n", mddev->raid_disks, + mddev->raid_disks - mddev->delta_disks); return sprintf(page, "%d\n", mddev->raid_disks); } @@ -2247,7 +2297,11 @@ raid_disks_store(mddev_t *mddev, const char *buf, size_t len) if (mddev->pers) rv = update_raid_disks(mddev, n); - else + else if (mddev->reshape_position != MaxSector) { + int olddisks = mddev->raid_disks - mddev->delta_disks; + mddev->delta_disks = n - olddisks; + mddev->raid_disks = n; + } else mddev->raid_disks = n; return rv ? rv : len; } @@ -2257,6 +2311,10 @@ __ATTR(raid_disks, S_IRUGO|S_IWUSR, raid_disks_show, raid_disks_store); static ssize_t chunk_size_show(mddev_t *mddev, char *page) { + if (mddev->reshape_position != MaxSector && + mddev->chunk_size != mddev->new_chunk) + return sprintf(page, "%d (%d)\n", mddev->new_chunk, + mddev->chunk_size); return sprintf(page, "%d\n", mddev->chunk_size); } @@ -2267,12 +2325,15 @@ chunk_size_store(mddev_t *mddev, const char *buf, size_t len) char *e; unsigned long n = simple_strtoul(buf, &e, 10); - if (mddev->pers) - return -EBUSY; if (!*buf || (*e && *e != '\n')) return -EINVAL; - mddev->chunk_size = n; + if (mddev->pers) + return -EBUSY; + else if (mddev->reshape_position != MaxSector) + mddev->new_chunk = n; + else + mddev->chunk_size = n; return len; } static struct md_sysfs_entry md_chunk_size = @@ -2637,8 +2698,7 @@ metadata_store(mddev_t *mddev, const char *buf, size_t len) minor = simple_strtoul(buf, &e, 10); if (e==buf || (*e && *e != '\n') ) return -EINVAL; - if (major >= sizeof(super_types)/sizeof(super_types[0]) || - super_types[major].name == NULL) + if (major >= ARRAY_SIZE(super_types) || super_types[major].name == NULL) return -ENOENT; mddev->major_version = major; mddev->minor_version = minor; @@ -2859,6 +2919,37 @@ suspend_hi_store(mddev_t *mddev, const char *buf, size_t len) static struct md_sysfs_entry md_suspend_hi = __ATTR(suspend_hi, S_IRUGO|S_IWUSR, suspend_hi_show, suspend_hi_store); +static ssize_t +reshape_position_show(mddev_t *mddev, char *page) +{ + if (mddev->reshape_position != MaxSector) + return sprintf(page, "%llu\n", + (unsigned long long)mddev->reshape_position); + strcpy(page, "none\n"); + return 5; +} + +static ssize_t +reshape_position_store(mddev_t *mddev, const char *buf, size_t len) +{ + char *e; + unsigned long long new = simple_strtoull(buf, &e, 10); + if (mddev->pers) + return -EBUSY; + if (buf == e || (*e && *e != '\n')) + return -EINVAL; + mddev->reshape_position = new; + mddev->delta_disks = 0; + mddev->new_level = mddev->level; + mddev->new_layout = mddev->layout; + mddev->new_chunk = mddev->chunk_size; + return len; +} + +static struct md_sysfs_entry md_reshape_position = +__ATTR(reshape_position, S_IRUGO|S_IWUSR, reshape_position_show, + reshape_position_store); + static struct attribute *md_default_attrs[] = { &md_level.attr, @@ -2871,6 +2962,7 @@ static struct attribute *md_default_attrs[] = { &md_new_device.attr, &md_safe_delay.attr, &md_array_state.attr, + &md_reshape_position.attr, NULL, }; @@ -3012,6 +3104,7 @@ static int do_md_run(mddev_t * mddev) struct gendisk *disk; struct mdk_personality *pers; char b[BDEVNAME_SIZE]; + struct block_device *bdev; if (list_empty(&mddev->disks)) /* cannot run an array with no devices.. */ @@ -3239,7 +3332,13 @@ static int do_md_run(mddev_t * mddev) md_wakeup_thread(mddev->thread); md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ - mddev->changed = 1; + bdev = bdget_disk(mddev->gendisk, 0); + if (bdev) { + bd_set_size(bdev, mddev->array_size << 1); + blkdev_ioctl(bdev->bd_inode, NULL, BLKRRPART, 0); + bdput(bdev); + } + md_new_event(mddev); kobject_uevent(&mddev->gendisk->kobj, KOBJ_CHANGE); return 0; @@ -3361,7 +3460,6 @@ static int do_md_stop(mddev_t * mddev, int mode) mddev->pers = NULL; set_capacity(disk, 0); - mddev->changed = 1; if (mddev->ro) mddev->ro = 0; @@ -3409,6 +3507,7 @@ static int do_md_stop(mddev_t * mddev, int mode) mddev->size = 0; mddev->raid_disks = 0; mddev->recovery_cp = 0; + mddev->reshape_position = MaxSector; } else if (mddev->pers) printk(KERN_INFO "md: %s switched to read-only mode.\n", @@ -4019,7 +4118,7 @@ static int set_array_info(mddev_t * mddev, mdu_array_info_t *info) if (info->raid_disks == 0) { /* just setting version number for superblock loading */ if (info->major_version < 0 || - info->major_version >= sizeof(super_types)/sizeof(super_types[0]) || + info->major_version >= ARRAY_SIZE(super_types) || super_types[info->major_version].name == NULL) { /* maybe try to auto-load a module? */ printk(KERN_INFO @@ -4500,20 +4599,6 @@ static int md_release(struct inode *inode, struct file * file) return 0; } -static int md_media_changed(struct gendisk *disk) -{ - mddev_t *mddev = disk->private_data; - - return mddev->changed; -} - -static int md_revalidate(struct gendisk *disk) -{ - mddev_t *mddev = disk->private_data; - - mddev->changed = 0; - return 0; -} static struct block_device_operations md_fops = { .owner = THIS_MODULE, @@ -4521,8 +4606,6 @@ static struct block_device_operations md_fops = .release = md_release, .ioctl = md_ioctl, .getgeo = md_getgeo, - .media_changed = md_media_changed, - .revalidate_disk= md_revalidate, }; static int md_thread(void * arg) @@ -4941,15 +5024,6 @@ static int md_seq_open(struct inode *inode, struct file *file) return error; } -static int md_seq_release(struct inode *inode, struct file *file) -{ - struct seq_file *m = file->private_data; - struct mdstat_info *mi = m->private; - m->private = NULL; - kfree(mi); - return seq_release(inode, file); -} - static unsigned int mdstat_poll(struct file *filp, poll_table *wait) { struct seq_file *m = filp->private_data; @@ -4971,7 +5045,7 @@ static const struct file_operations md_seq_fops = { .open = md_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = md_seq_release, + .release = seq_release_private, .poll = mdstat_poll, }; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 97ee870b265d..1b7130cad21f 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2063,7 +2063,6 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors) */ mddev->array_size = sectors>>1; set_capacity(mddev->gendisk, mddev->array_size << 1); - mddev->changed = 1; if (mddev->array_size > mddev->size && mddev->recovery_cp == MaxSector) { mddev->recovery_cp = mddev->size << 1; set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8d59914f2057..a72e70ad0975 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -353,8 +353,8 @@ static int grow_stripes(raid5_conf_t *conf, int num) struct kmem_cache *sc; int devs = conf->raid_disks; - sprintf(conf->cache_name[0], "raid5/%s", mdname(conf->mddev)); - sprintf(conf->cache_name[1], "raid5/%s-alt", mdname(conf->mddev)); + sprintf(conf->cache_name[0], "raid5-%s", mdname(conf->mddev)); + sprintf(conf->cache_name[1], "raid5-%s-alt", mdname(conf->mddev)); conf->active_name = 0; sc = kmem_cache_create(conf->cache_name[conf->active_name], sizeof(struct stripe_head)+(devs-1)*sizeof(struct r5dev), @@ -3864,7 +3864,6 @@ static int raid5_resize(mddev_t *mddev, sector_t sectors) sectors &= ~((sector_t)mddev->chunk_size/512 - 1); mddev->array_size = (sectors * (mddev->raid_disks-conf->max_degraded))>>1; set_capacity(mddev->gendisk, mddev->array_size << 1); - mddev->changed = 1; if (sectors/2 > mddev->size && mddev->recovery_cp == MaxSector) { mddev->recovery_cp = mddev->size << 1; set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); @@ -3999,7 +3998,6 @@ static void end_reshape(raid5_conf_t *conf) conf->mddev->array_size = conf->mddev->size * (conf->raid_disks - conf->max_degraded); set_capacity(conf->mddev->gendisk, conf->mddev->array_size << 1); - conf->mddev->changed = 1; bdev = bdget_disk(conf->mddev->gendisk, 0); if (bdev) { diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c index 68ed3a788083..9200a30dd1b9 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c @@ -3,7 +3,7 @@ * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) * see dvb-usb-init.c for copyright information. * - * This file contains functions for initializing the the input-device and for handling remote-control-queries. + * This file contains functions for initializing the input-device and for handling remote-control-queries. */ #include "dvb-usb-common.h" #include <linux/usb/input.h> diff --git a/drivers/media/dvb/frontends/dib7000m.c b/drivers/media/dvb/frontends/dib7000m.c index f5d40aa3d27f..f64546c6aeb5 100644 --- a/drivers/media/dvb/frontends/dib7000m.c +++ b/drivers/media/dvb/frontends/dib7000m.c @@ -266,7 +266,7 @@ static int dib7000m_sad_calib(struct dib7000m_state *state) { /* internal */ -// dib7000m_write_word(state, 928, (3 << 14) | (1 << 12) | (524 << 0)); // sampling clock of the SAD is writting in set_bandwidth +// dib7000m_write_word(state, 928, (3 << 14) | (1 << 12) | (524 << 0)); // sampling clock of the SAD is written in set_bandwidth dib7000m_write_word(state, 929, (0 << 1) | (0 << 0)); dib7000m_write_word(state, 930, 776); // 0.625*3.3 / 4096 diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c index 0349a4b5da3f..aece458cfe12 100644 --- a/drivers/media/dvb/frontends/dib7000p.c +++ b/drivers/media/dvb/frontends/dib7000p.c @@ -223,7 +223,7 @@ static int dib7000p_set_bandwidth(struct dvb_frontend *demod, u8 BW_Idx) static int dib7000p_sad_calib(struct dib7000p_state *state) { /* internal */ -// dib7000p_write_word(state, 72, (3 << 14) | (1 << 12) | (524 << 0)); // sampling clock of the SAD is writting in set_bandwidth +// dib7000p_write_word(state, 72, (3 << 14) | (1 << 12) | (524 << 0)); // sampling clock of the SAD is written in set_bandwidth dib7000p_write_word(state, 73, (0 << 1) | (0 << 0)); dib7000p_write_word(state, 74, 776); // 0.625*3.3 / 4096 diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c index 110536843e8e..e725f612a6b7 100644 --- a/drivers/media/dvb/frontends/tda10021.c +++ b/drivers/media/dvb/frontends/tda10021.c @@ -1,6 +1,6 @@ /* TDA10021 - Single Chip Cable Channel Receiver driver module - used on the the Siemens DVB-C cards + used on the Siemens DVB-C cards Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> Copyright (C) 2004 Markus Schulz <msc@antzsystem.de> diff --git a/drivers/media/dvb/frontends/ves1x93.c b/drivers/media/dvb/frontends/ves1x93.c index 54d7b07571b8..23fd0303c91b 100644 --- a/drivers/media/dvb/frontends/ves1x93.c +++ b/drivers/media/dvb/frontends/ves1x93.c @@ -306,7 +306,7 @@ static int ves1x93_read_status(struct dvb_frontend* fe, fe_status_t* status) * The ves1893 sometimes returns sync values that make no sense, * because, e.g., the SIGNAL bit is 0, while some of the higher * bits are 1 (and how can there be a CARRIER w/o a SIGNAL?). - * Tests showed that the the VITERBI and SYNC bits are returned + * Tests showed that the VITERBI and SYNC bits are returned * reliably, while the SIGNAL and CARRIER bits ar sometimes wrong. * If such a case occurs, we read the value again, until we get a * valid value. diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index 563a8319e608..54ccc6e1f92e 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -70,7 +70,7 @@ static int em2800_i2c_send_max4(struct em28xx *dev, unsigned char addr, ret = dev->em28xx_write_regs(dev, 4 - len, &b2[4 - len], 2 + len); if (ret != 2 + len) { - em28xx_warn("writting to i2c device failed (error=%i)\n", ret); + em28xx_warn("writing to i2c device failed (error=%i)\n", ret); return -EIO; } for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0; diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index bec67609500f..2c7b158ce7e1 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1729,7 +1729,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, endpoint = &interface->cur_altsetting->endpoint[1].desc; - /* check if the the device has the iso in endpoint at the correct place */ + /* check if the device has the iso in endpoint at the correct place */ if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_ISOC) { em28xx_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n"); diff --git a/drivers/media/video/pwc/philips.txt b/drivers/media/video/pwc/philips.txt index f5e848410311..f9f3584281d8 100644 --- a/drivers/media/video/pwc/philips.txt +++ b/drivers/media/video/pwc/philips.txt @@ -54,9 +54,9 @@ fps Specifies the desired framerate. Is an integer in the range of 4-30. fbufs - This paramter specifies the number of internal buffers to use for storing + This parameter specifies the number of internal buffers to use for storing frames from the cam. This will help if the process that reads images from - the cam is a bit slow or momentarely busy. However, on slow machines it + the cam is a bit slow or momentarily busy. However, on slow machines it only introduces lag, so choose carefully. The default is 3, which is reasonable. You can set it between 2 and 5. @@ -209,7 +209,7 @@ trace 128 0x80 PWCX debugging Off - For example, to trace the open() & read() fuctions, sum 8 + 4 = 12, + For example, to trace the open() & read() functions, sum 8 + 4 = 12, so you would supply trace=12 during insmod or modprobe. If you want to turn the initialization and probing tracing off, set trace=0. The default value for trace is 35 (0x23). diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index 876fd2768242..982b115193f8 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -28,7 +28,7 @@ * * Portions of this code were also copied from usbvideo.c * - * Special thanks to the the whole team at Sourceforge for help making + * Special thanks to the whole team at Sourceforge for help making * this driver become a reality. Notably: * Andy Armstrong who reverse engineered the color encoding and * Pavel Machek and Chris Cheney who worked on reverse engineering the diff --git a/drivers/message/fusion/lsi/mpi_history.txt b/drivers/message/fusion/lsi/mpi_history.txt index d6b4c607453b..ddc7ae029dd3 100644 --- a/drivers/message/fusion/lsi/mpi_history.txt +++ b/drivers/message/fusion/lsi/mpi_history.txt @@ -571,7 +571,7 @@ mpi_fc.h * 11-02-00 01.01.01 Original release for post 1.0 work * 12-04-00 01.01.02 Added messages for Common Transport Send and * Primitive Send. - * 01-09-01 01.01.03 Modifed some of the new flags to have an MPI prefix + * 01-09-01 01.01.03 Modified some of the new flags to have an MPI prefix * and modified the FcPrimitiveSend flags. * 01-25-01 01.01.04 Move InitiatorIndex in LinkServiceRsp reply to a larger * field. diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 97471af4309c..5021d1a2a1d4 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -3585,7 +3585,7 @@ initChainBuffers(MPT_ADAPTER *ioc) * index = chain_idx * * Calculate the number of chain buffers needed(plus 1) per I/O - * then multiply the the maximum number of simultaneous cmds + * then multiply the maximum number of simultaneous cmds * * num_sge = num sge in request frame + last chain buffer * scale = num sge per chain buffer if no chain element diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index b6c16704aaab..7385acfa1dd9 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -501,9 +501,9 @@ void mmc_detect_change(struct mmc_host *host, unsigned long delay) { #ifdef CONFIG_MMC_DEBUG unsigned long flags; - spin_lock_irqsave(host->lock, flags); + spin_lock_irqsave(&host->lock, flags); BUG_ON(host->removed); - spin_unlock_irqrestore(host->lock, flags); + spin_unlock_irqrestore(&host->lock, flags); #endif mmc_schedule_delayed_work(&host->detect, delay); diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index d28e0fc85e12..479d32b57a1e 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -1,5 +1,4 @@ # drivers/mtd/chips/Kconfig -# $Id: Kconfig,v 1.18 2005/11/07 11:14:22 gleixner Exp $ menu "RAM/ROM/Flash chip drivers" depends on MTD!=n @@ -231,45 +230,6 @@ config MTD_ABSENT the system regardless of media presence. Device nodes created with this driver will return -ENODEV upon access. -config MTD_OBSOLETE_CHIPS - bool "Older (theoretically obsoleted now) drivers for non-CFI chips" - help - This option does not enable any code directly, but will allow you to - select some other chip drivers which are now considered obsolete, - because the generic CONFIG_JEDECPROBE code above should now detect - the chips which are supported by these drivers, and allow the generic - CFI-compatible drivers to drive the chips. Say 'N' here unless you have - already tried the CONFIG_JEDECPROBE method and reported its failure - to the MTD mailing list at <linux-mtd@lists.infradead.org> - -config MTD_AMDSTD - tristate "AMD compatible flash chip support (non-CFI)" - depends on MTD_OBSOLETE_CHIPS && BROKEN - help - This option enables support for flash chips using AMD-compatible - commands, including some which are not CFI-compatible and hence - cannot be used with the CONFIG_MTD_CFI_AMDSTD option. - - It also works on AMD compatible chips that do conform to CFI. - -config MTD_SHARP - tristate "pre-CFI Sharp chip support" - depends on MTD_OBSOLETE_CHIPS - help - This option enables support for flash chips using Sharp-compatible - commands, including some which are not CFI-compatible and hence - cannot be used with the CONFIG_MTD_CFI_INTELxxx options. - -config MTD_JEDEC - tristate "JEDEC device support" - depends on MTD_OBSOLETE_CHIPS && BROKEN - help - Enable older JEDEC flash interface devices for self - programming flash. It is commonly used in older AMD chips. It is - only called JEDEC because the JEDEC association - <http://www.jedec.org/> distributes the identification codes for the - chips. - config MTD_XIP bool "XIP aware MTD support" depends on !SMP && (MTD_CFI_INTELEXT || MTD_CFI_AMDSTD) && EXPERIMENTAL && ARCH_MTD_XIP diff --git a/drivers/mtd/chips/Makefile b/drivers/mtd/chips/Makefile index 75bc1c2a0f43..36582412ccda 100644 --- a/drivers/mtd/chips/Makefile +++ b/drivers/mtd/chips/Makefile @@ -1,19 +1,15 @@ # # linux/drivers/chips/Makefile # -# $Id: Makefile.common,v 1.5 2005/11/07 11:14:22 gleixner Exp $ obj-$(CONFIG_MTD) += chipreg.o -obj-$(CONFIG_MTD_AMDSTD) += amd_flash.o obj-$(CONFIG_MTD_CFI) += cfi_probe.o obj-$(CONFIG_MTD_CFI_UTIL) += cfi_util.o obj-$(CONFIG_MTD_CFI_STAA) += cfi_cmdset_0020.o obj-$(CONFIG_MTD_CFI_AMDSTD) += cfi_cmdset_0002.o obj-$(CONFIG_MTD_CFI_INTELEXT) += cfi_cmdset_0001.o obj-$(CONFIG_MTD_GEN_PROBE) += gen_probe.o -obj-$(CONFIG_MTD_JEDEC) += jedec.o obj-$(CONFIG_MTD_JEDECPROBE) += jedec_probe.o obj-$(CONFIG_MTD_RAM) += map_ram.o obj-$(CONFIG_MTD_ROM) += map_rom.o -obj-$(CONFIG_MTD_SHARP) += sharp.o obj-$(CONFIG_MTD_ABSENT) += map_absent.o diff --git a/drivers/mtd/chips/amd_flash.c b/drivers/mtd/chips/amd_flash.c deleted file mode 100644 index e7999f15d85a..000000000000 --- a/drivers/mtd/chips/amd_flash.c +++ /dev/null @@ -1,1396 +0,0 @@ -/* - * MTD map driver for AMD compatible flash chips (non-CFI) - * - * Author: Jonas Holmberg <jonas.holmberg@axis.com> - * - * $Id: amd_flash.c,v 1.28 2005/11/07 11:14:22 gleixner Exp $ - * - * Copyright (c) 2001 Axis Communications AB - * - * This file is under GPL. - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/mtd/map.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/flashchip.h> - -/* There's no limit. It exists only to avoid realloc. */ -#define MAX_AMD_CHIPS 8 - -#define DEVICE_TYPE_X8 (8 / 8) -#define DEVICE_TYPE_X16 (16 / 8) -#define DEVICE_TYPE_X32 (32 / 8) - -/* Addresses */ -#define ADDR_MANUFACTURER 0x0000 -#define ADDR_DEVICE_ID 0x0001 -#define ADDR_SECTOR_LOCK 0x0002 -#define ADDR_HANDSHAKE 0x0003 -#define ADDR_UNLOCK_1 0x0555 -#define ADDR_UNLOCK_2 0x02AA - -/* Commands */ -#define CMD_UNLOCK_DATA_1 0x00AA -#define CMD_UNLOCK_DATA_2 0x0055 -#define CMD_MANUFACTURER_UNLOCK_DATA 0x0090 -#define CMD_UNLOCK_BYPASS_MODE 0x0020 -#define CMD_PROGRAM_UNLOCK_DATA 0x00A0 -#define CMD_RESET_DATA 0x00F0 -#define CMD_SECTOR_ERASE_UNLOCK_DATA 0x0080 -#define CMD_SECTOR_ERASE_UNLOCK_DATA_2 0x0030 - -#define CMD_UNLOCK_SECTOR 0x0060 - -/* Manufacturers */ -#define MANUFACTURER_AMD 0x0001 -#define MANUFACTURER_ATMEL 0x001F -#define MANUFACTURER_FUJITSU 0x0004 -#define MANUFACTURER_ST 0x0020 -#define MANUFACTURER_SST 0x00BF -#define MANUFACTURER_TOSHIBA 0x0098 - -/* AMD */ -#define AM29F800BB 0x2258 -#define AM29F800BT 0x22D6 -#define AM29LV800BB 0x225B -#define AM29LV800BT 0x22DA -#define AM29LV160DT 0x22C4 -#define AM29LV160DB 0x2249 -#define AM29BDS323D 0x22D1 - -/* Atmel */ -#define AT49xV16x 0x00C0 -#define AT49xV16xT 0x00C2 - -/* Fujitsu */ -#define MBM29LV160TE 0x22C4 -#define MBM29LV160BE 0x2249 -#define MBM29LV800BB 0x225B - -/* ST - www.st.com */ -#define M29W800T 0x00D7 -#define M29W160DT 0x22C4 -#define M29W160DB 0x2249 - -/* SST */ -#define SST39LF800 0x2781 -#define SST39LF160 0x2782 - -/* Toshiba */ -#define TC58FVT160 0x00C2 -#define TC58FVB160 0x0043 - -#define D6_MASK 0x40 - -struct amd_flash_private { - int device_type; - int interleave; - int numchips; - unsigned long chipshift; - struct flchip chips[0]; -}; - -struct amd_flash_info { - const __u16 mfr_id; - const __u16 dev_id; - const char *name; - const u_long size; - const int numeraseregions; - const struct mtd_erase_region_info regions[4]; -}; - - - -static int amd_flash_read(struct mtd_info *, loff_t, size_t, size_t *, - u_char *); -static int amd_flash_write(struct mtd_info *, loff_t, size_t, size_t *, - const u_char *); -static int amd_flash_erase(struct mtd_info *, struct erase_info *); -static void amd_flash_sync(struct mtd_info *); -static int amd_flash_suspend(struct mtd_info *); -static void amd_flash_resume(struct mtd_info *); -static void amd_flash_destroy(struct mtd_info *); -static struct mtd_info *amd_flash_probe(struct map_info *map); - - -static struct mtd_chip_driver amd_flash_chipdrv = { - .probe = amd_flash_probe, - .destroy = amd_flash_destroy, - .name = "amd_flash", - .module = THIS_MODULE -}; - -static inline __u32 wide_read(struct map_info *map, __u32 addr) -{ - if (map->buswidth == 1) { - return map_read8(map, addr); - } else if (map->buswidth == 2) { - return map_read16(map, addr); - } else if (map->buswidth == 4) { - return map_read32(map, addr); - } - - return 0; -} - -static inline void wide_write(struct map_info *map, __u32 val, __u32 addr) -{ - if (map->buswidth == 1) { - map_write8(map, val, addr); - } else if (map->buswidth == 2) { - map_write16(map, val, addr); - } else if (map->buswidth == 4) { - map_write32(map, val, addr); - } -} - -static inline __u32 make_cmd(struct map_info *map, __u32 cmd) -{ - const struct amd_flash_private *private = map->fldrv_priv; - if ((private->interleave == 2) && - (private->device_type == DEVICE_TYPE_X16)) { - cmd |= (cmd << 16); - } - - return cmd; -} - -static inline void send_unlock(struct map_info *map, unsigned long base) -{ - wide_write(map, (CMD_UNLOCK_DATA_1 << 16) | CMD_UNLOCK_DATA_1, - base + (map->buswidth * ADDR_UNLOCK_1)); - wide_write(map, (CMD_UNLOCK_DATA_2 << 16) | CMD_UNLOCK_DATA_2, - base + (map->buswidth * ADDR_UNLOCK_2)); -} - -static inline void send_cmd(struct map_info *map, unsigned long base, __u32 cmd) -{ - send_unlock(map, base); - wide_write(map, make_cmd(map, cmd), - base + (map->buswidth * ADDR_UNLOCK_1)); -} - -static inline void send_cmd_to_addr(struct map_info *map, unsigned long base, - __u32 cmd, unsigned long addr) -{ - send_unlock(map, base); - wide_write(map, make_cmd(map, cmd), addr); -} - -static inline int flash_is_busy(struct map_info *map, unsigned long addr, - int interleave) -{ - - if ((interleave == 2) && (map->buswidth == 4)) { - __u32 read1, read2; - - read1 = wide_read(map, addr); - read2 = wide_read(map, addr); - - return (((read1 >> 16) & D6_MASK) != - ((read2 >> 16) & D6_MASK)) || - (((read1 & 0xffff) & D6_MASK) != - ((read2 & 0xffff) & D6_MASK)); - } - - return ((wide_read(map, addr) & D6_MASK) != - (wide_read(map, addr) & D6_MASK)); -} - -static inline void unlock_sector(struct map_info *map, unsigned long sect_addr, - int unlock) -{ - /* Sector lock address. A6 = 1 for unlock, A6 = 0 for lock */ - int SLA = unlock ? - (sect_addr | (0x40 * map->buswidth)) : - (sect_addr & ~(0x40 * map->buswidth)) ; - - __u32 cmd = make_cmd(map, CMD_UNLOCK_SECTOR); - - wide_write(map, make_cmd(map, CMD_RESET_DATA), 0); - wide_write(map, cmd, SLA); /* 1st cycle: write cmd to any address */ - wide_write(map, cmd, SLA); /* 2nd cycle: write cmd to any address */ - wide_write(map, cmd, SLA); /* 3rd cycle: write cmd to SLA */ -} - -static inline int is_sector_locked(struct map_info *map, - unsigned long sect_addr) -{ - int status; - - wide_write(map, CMD_RESET_DATA, 0); - send_cmd(map, sect_addr, CMD_MANUFACTURER_UNLOCK_DATA); - - /* status is 0x0000 for unlocked and 0x0001 for locked */ - status = wide_read(map, sect_addr + (map->buswidth * ADDR_SECTOR_LOCK)); - wide_write(map, CMD_RESET_DATA, 0); - return status; -} - -static int amd_flash_do_unlock(struct mtd_info *mtd, loff_t ofs, size_t len, - int is_unlock) -{ - struct map_info *map; - struct mtd_erase_region_info *merip; - int eraseoffset, erasesize, eraseblocks; - int i; - int retval = 0; - int lock_status; - - map = mtd->priv; - - /* Pass the whole chip through sector by sector and check for each - sector if the sector and the given interval overlap */ - for(i = 0; i < mtd->numeraseregions; i++) { - merip = &mtd->eraseregions[i]; - - eraseoffset = merip->offset; - erasesize = merip->erasesize; - eraseblocks = merip->numblocks; - - if (ofs > eraseoffset + erasesize) - continue; - - while (eraseblocks > 0) { - if (ofs < eraseoffset + erasesize && ofs + len > eraseoffset) { - unlock_sector(map, eraseoffset, is_unlock); - - lock_status = is_sector_locked(map, eraseoffset); - - if (is_unlock && lock_status) { - printk("Cannot unlock sector at address %x length %xx\n", - eraseoffset, merip->erasesize); - retval = -1; - } else if (!is_unlock && !lock_status) { - printk("Cannot lock sector at address %x length %x\n", - eraseoffset, merip->erasesize); - retval = -1; - } - } - eraseoffset += erasesize; - eraseblocks --; - } - } - return retval; -} - -static int amd_flash_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) -{ - return amd_flash_do_unlock(mtd, ofs, len, 1); -} - -static int amd_flash_lock(struct mtd_info *mtd, loff_t ofs, size_t len) -{ - return amd_flash_do_unlock(mtd, ofs, len, 0); -} - - -/* - * Reads JEDEC manufacturer ID and device ID and returns the index of the first - * matching table entry (-1 if not found or alias for already found chip). - */ -static int probe_new_chip(struct mtd_info *mtd, __u32 base, - struct flchip *chips, - struct amd_flash_private *private, - const struct amd_flash_info *table, int table_size) -{ - __u32 mfr_id; - __u32 dev_id; - struct map_info *map = mtd->priv; - struct amd_flash_private temp; - int i; - - temp.device_type = DEVICE_TYPE_X16; // Assume X16 (FIXME) - temp.interleave = 2; - map->fldrv_priv = &temp; - - /* Enter autoselect mode. */ - send_cmd(map, base, CMD_RESET_DATA); - send_cmd(map, base, CMD_MANUFACTURER_UNLOCK_DATA); - - mfr_id = wide_read(map, base + (map->buswidth * ADDR_MANUFACTURER)); - dev_id = wide_read(map, base + (map->buswidth * ADDR_DEVICE_ID)); - - if ((map->buswidth == 4) && ((mfr_id >> 16) == (mfr_id & 0xffff)) && - ((dev_id >> 16) == (dev_id & 0xffff))) { - mfr_id &= 0xffff; - dev_id &= 0xffff; - } else { - temp.interleave = 1; - } - - for (i = 0; i < table_size; i++) { - if ((mfr_id == table[i].mfr_id) && - (dev_id == table[i].dev_id)) { - if (chips) { - int j; - - /* Is this an alias for an already found chip? - * In that case that chip should be in - * autoselect mode now. - */ - for (j = 0; j < private->numchips; j++) { - __u32 mfr_id_other; - __u32 dev_id_other; - - mfr_id_other = - wide_read(map, chips[j].start + - (map->buswidth * - ADDR_MANUFACTURER - )); - dev_id_other = - wide_read(map, chips[j].start + - (map->buswidth * - ADDR_DEVICE_ID)); - if (temp.interleave == 2) { - mfr_id_other &= 0xffff; - dev_id_other &= 0xffff; - } - if ((mfr_id_other == mfr_id) && - (dev_id_other == dev_id)) { - - /* Exit autoselect mode. */ - send_cmd(map, base, - CMD_RESET_DATA); - - return -1; - } - } - - if (private->numchips == MAX_AMD_CHIPS) { - printk(KERN_WARNING - "%s: Too many flash chips " - "detected. Increase " - "MAX_AMD_CHIPS from %d.\n", - map->name, MAX_AMD_CHIPS); - - return -1; - } - - chips[private->numchips].start = base; - chips[private->numchips].state = FL_READY; - chips[private->numchips].mutex = - &chips[private->numchips]._spinlock; - private->numchips++; - } - - printk("%s: Found %d x %ldMiB %s at 0x%x\n", map->name, - temp.interleave, (table[i].size)/(1024*1024), - table[i].name, base); - - mtd->size += table[i].size * temp.interleave; - mtd->numeraseregions += table[i].numeraseregions; - - break; - } - } - - /* Exit autoselect mode. */ - send_cmd(map, base, CMD_RESET_DATA); - - if (i == table_size) { - printk(KERN_DEBUG "%s: unknown flash device at 0x%x, " - "mfr id 0x%x, dev id 0x%x\n", map->name, - base, mfr_id, dev_id); - map->fldrv_priv = NULL; - - return -1; - } - - private->device_type = temp.device_type; - private->interleave = temp.interleave; - - return i; -} - - - -static struct mtd_info *amd_flash_probe(struct map_info *map) -{ - static const struct amd_flash_info table[] = { - { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29LV160DT, - .name = "AMD AM29LV160DT", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 }, - { .offset = 0x1F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x1F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x1FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29LV160DB, - .name = "AMD AM29LV160DB", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x04000, .numblocks = 1 }, - { .offset = 0x004000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x008000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 31 } - } - }, { - .mfr_id = MANUFACTURER_TOSHIBA, - .dev_id = TC58FVT160, - .name = "Toshiba TC58FVT160", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 }, - { .offset = 0x1F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x1F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x1FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_FUJITSU, - .dev_id = MBM29LV160TE, - .name = "Fujitsu MBM29LV160TE", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 }, - { .offset = 0x1F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x1F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x1FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_TOSHIBA, - .dev_id = TC58FVB160, - .name = "Toshiba TC58FVB160", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x04000, .numblocks = 1 }, - { .offset = 0x004000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x008000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 31 } - } - }, { - .mfr_id = MANUFACTURER_FUJITSU, - .dev_id = MBM29LV160BE, - .name = "Fujitsu MBM29LV160BE", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x04000, .numblocks = 1 }, - { .offset = 0x004000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x008000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 31 } - } - }, { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29LV800BB, - .name = "AMD AM29LV800BB", - .size = 0x00100000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x04000, .numblocks = 1 }, - { .offset = 0x004000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x008000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 15 } - } - }, { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29F800BB, - .name = "AMD AM29F800BB", - .size = 0x00100000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x04000, .numblocks = 1 }, - { .offset = 0x004000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x008000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 15 } - } - }, { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29LV800BT, - .name = "AMD AM29LV800BT", - .size = 0x00100000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 15 }, - { .offset = 0x0F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x0F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x0FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29F800BT, - .name = "AMD AM29F800BT", - .size = 0x00100000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 15 }, - { .offset = 0x0F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x0F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x0FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29LV800BB, - .name = "AMD AM29LV800BB", - .size = 0x00100000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 15 }, - { .offset = 0x0F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x0F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x0FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_FUJITSU, - .dev_id = MBM29LV800BB, - .name = "Fujitsu MBM29LV800BB", - .size = 0x00100000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x04000, .numblocks = 1 }, - { .offset = 0x004000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x008000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 15 } - } - }, { - .mfr_id = MANUFACTURER_ST, - .dev_id = M29W800T, - .name = "ST M29W800T", - .size = 0x00100000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 15 }, - { .offset = 0x0F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x0F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x0FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_ST, - .dev_id = M29W160DT, - .name = "ST M29W160DT", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 }, - { .offset = 0x1F0000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x1F8000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x1FC000, .erasesize = 0x04000, .numblocks = 1 } - } - }, { - .mfr_id = MANUFACTURER_ST, - .dev_id = M29W160DB, - .name = "ST M29W160DB", - .size = 0x00200000, - .numeraseregions = 4, - .regions = { - { .offset = 0x000000, .erasesize = 0x04000, .numblocks = 1 }, - { .offset = 0x004000, .erasesize = 0x02000, .numblocks = 2 }, - { .offset = 0x008000, .erasesize = 0x08000, .numblocks = 1 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 31 } - } - }, { - .mfr_id = MANUFACTURER_AMD, - .dev_id = AM29BDS323D, - .name = "AMD AM29BDS323D", - .size = 0x00400000, - .numeraseregions = 3, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 48 }, - { .offset = 0x300000, .erasesize = 0x10000, .numblocks = 15 }, - { .offset = 0x3f0000, .erasesize = 0x02000, .numblocks = 8 }, - } - }, { - .mfr_id = MANUFACTURER_ATMEL, - .dev_id = AT49xV16x, - .name = "Atmel AT49xV16x", - .size = 0x00200000, - .numeraseregions = 2, - .regions = { - { .offset = 0x000000, .erasesize = 0x02000, .numblocks = 8 }, - { .offset = 0x010000, .erasesize = 0x10000, .numblocks = 31 } - } - }, { - .mfr_id = MANUFACTURER_ATMEL, - .dev_id = AT49xV16xT, - .name = "Atmel AT49xV16xT", - .size = 0x00200000, - .numeraseregions = 2, - .regions = { - { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 }, - { .offset = 0x1F0000, .erasesize = 0x02000, .numblocks = 8 } - } - } - }; - - struct mtd_info *mtd; - struct flchip chips[MAX_AMD_CHIPS]; - int table_pos[MAX_AMD_CHIPS]; - struct amd_flash_private temp; - struct amd_flash_private *private; - u_long size; - unsigned long base; - int i; - int reg_idx; - int offset; - - mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); - if (!mtd) { - printk(KERN_WARNING - "%s: kmalloc failed for info structure\n", map->name); - return NULL; - } - mtd->priv = map; - - memset(&temp, 0, sizeof(temp)); - - printk("%s: Probing for AMD compatible flash...\n", map->name); - - if ((table_pos[0] = probe_new_chip(mtd, 0, NULL, &temp, table, - ARRAY_SIZE(table))) - == -1) { - printk(KERN_WARNING - "%s: Found no AMD compatible device at location zero\n", - map->name); - kfree(mtd); - - return NULL; - } - - chips[0].start = 0; - chips[0].state = FL_READY; - chips[0].mutex = &chips[0]._spinlock; - temp.numchips = 1; - for (size = mtd->size; size > 1; size >>= 1) { - temp.chipshift++; - } - switch (temp.interleave) { - case 2: - temp.chipshift += 1; - break; - case 4: - temp.chipshift += 2; - break; - } - - /* Find out if there are any more chips in the map. */ - for (base = (1 << temp.chipshift); - base < map->size; - base += (1 << temp.chipshift)) { - int numchips = temp.numchips; - table_pos[numchips] = probe_new_chip(mtd, base, chips, - &temp, table, ARRAY_SIZE(table)); - } - - mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) * - mtd->numeraseregions, GFP_KERNEL); - if (!mtd->eraseregions) { - printk(KERN_WARNING "%s: Failed to allocate " - "memory for MTD erase region info\n", map->name); - kfree(mtd); - map->fldrv_priv = NULL; - return NULL; - } - - reg_idx = 0; - offset = 0; - for (i = 0; i < temp.numchips; i++) { - int dev_size; - int j; - - dev_size = 0; - for (j = 0; j < table[table_pos[i]].numeraseregions; j++) { - mtd->eraseregions[reg_idx].offset = offset + - (table[table_pos[i]].regions[j].offset * - temp.interleave); - mtd->eraseregions[reg_idx].erasesize = - table[table_pos[i]].regions[j].erasesize * - temp.interleave; - mtd->eraseregions[reg_idx].numblocks = - table[table_pos[i]].regions[j].numblocks; - if (mtd->erasesize < - mtd->eraseregions[reg_idx].erasesize) { - mtd->erasesize = - mtd->eraseregions[reg_idx].erasesize; - } - dev_size += mtd->eraseregions[reg_idx].erasesize * - mtd->eraseregions[reg_idx].numblocks; - reg_idx++; - } - offset += dev_size; - } - mtd->type = MTD_NORFLASH; - mtd->writesize = 1; - mtd->flags = MTD_CAP_NORFLASH; - mtd->name = map->name; - mtd->erase = amd_flash_erase; - mtd->read = amd_flash_read; - mtd->write = amd_flash_write; - mtd->sync = amd_flash_sync; - mtd->suspend = amd_flash_suspend; - mtd->resume = amd_flash_resume; - mtd->lock = amd_flash_lock; - mtd->unlock = amd_flash_unlock; - - private = kmalloc(sizeof(*private) + (sizeof(struct flchip) * - temp.numchips), GFP_KERNEL); - if (!private) { - printk(KERN_WARNING - "%s: kmalloc failed for private structure\n", map->name); - kfree(mtd); - map->fldrv_priv = NULL; - return NULL; - } - memcpy(private, &temp, sizeof(temp)); - memcpy(private->chips, chips, - sizeof(struct flchip) * private->numchips); - for (i = 0; i < private->numchips; i++) { - init_waitqueue_head(&private->chips[i].wq); - spin_lock_init(&private->chips[i]._spinlock); - } - - map->fldrv_priv = private; - - map->fldrv = &amd_flash_chipdrv; - - __module_get(THIS_MODULE); - return mtd; -} - - - -static inline int read_one_chip(struct map_info *map, struct flchip *chip, - loff_t adr, size_t len, u_char *buf) -{ - DECLARE_WAITQUEUE(wait, current); - unsigned long timeo = jiffies + HZ; - -retry: - spin_lock_bh(chip->mutex); - - if (chip->state != FL_READY){ - printk(KERN_INFO "%s: waiting for chip to read, state = %d\n", - map->name, chip->state); - set_current_state(TASK_UNINTERRUPTIBLE); - add_wait_queue(&chip->wq, &wait); - - spin_unlock_bh(chip->mutex); - - schedule(); - remove_wait_queue(&chip->wq, &wait); - - if(signal_pending(current)) { - return -EINTR; - } - - timeo = jiffies + HZ; - - goto retry; - } - - adr += chip->start; - - chip->state = FL_READY; - - map_copy_from(map, buf, adr, len); - - wake_up(&chip->wq); - spin_unlock_bh(chip->mutex); - - return 0; -} - - - -static int amd_flash_read(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf) -{ - struct map_info *map = mtd->priv; - struct amd_flash_private *private = map->fldrv_priv; - unsigned long ofs; - int chipnum; - int ret = 0; - - if ((from + len) > mtd->size) { - printk(KERN_WARNING "%s: read request past end of device " - "(0x%lx)\n", map->name, (unsigned long)from + len); - - return -EINVAL; - } - - /* Offset within the first chip that the first read should start. */ - chipnum = (from >> private->chipshift); - ofs = from - (chipnum << private->chipshift); - - *retlen = 0; - - while (len) { - unsigned long this_len; - - if (chipnum >= private->numchips) { - break; - } - - if ((len + ofs - 1) >> private->chipshift) { - this_len = (1 << private->chipshift) - ofs; - } else { - this_len = len; - } - - ret = read_one_chip(map, &private->chips[chipnum], ofs, - this_len, buf); - if (ret) { - break; - } - - *retlen += this_len; - len -= this_len; - buf += this_len; - - ofs = 0; - chipnum++; - } - - return ret; -} - - - -static int write_one_word(struct map_info *map, struct flchip *chip, - unsigned long adr, __u32 datum) -{ - unsigned long timeo = jiffies + HZ; - struct amd_flash_private *private = map->fldrv_priv; - DECLARE_WAITQUEUE(wait, current); - int ret = 0; - int times_left; - -retry: - spin_lock_bh(chip->mutex); - - if (chip->state != FL_READY){ - printk("%s: waiting for chip to write, state = %d\n", - map->name, chip->state); - set_current_state(TASK_UNINTERRUPTIBLE); - add_wait_queue(&chip->wq, &wait); - - spin_unlock_bh(chip->mutex); - - schedule(); - remove_wait_queue(&chip->wq, &wait); - printk(KERN_INFO "%s: woke up to write\n", map->name); - if(signal_pending(current)) - return -EINTR; - - timeo = jiffies + HZ; - - goto retry; - } - - chip->state = FL_WRITING; - - adr += chip->start; - ENABLE_VPP(map); - send_cmd(map, chip->start, CMD_PROGRAM_UNLOCK_DATA); - wide_write(map, datum, adr); - - times_left = 500000; - while (times_left-- && flash_is_busy(map, adr, private->interleave)) { - if (need_resched()) { - spin_unlock_bh(chip->mutex); - schedule(); - spin_lock_bh(chip->mutex); - } - } - - if (!times_left) { - printk(KERN_WARNING "%s: write to 0x%lx timed out!\n", - map->name, adr); - ret = -EIO; - } else { - __u32 verify; - if ((verify = wide_read(map, adr)) != datum) { - printk(KERN_WARNING "%s: write to 0x%lx failed. " - "datum = %x, verify = %x\n", - map->name, adr, datum, verify); - ret = -EIO; - } - } - - DISABLE_VPP(map); - chip->state = FL_READY; - wake_up(&chip->wq); - spin_unlock_bh(chip->mutex); - - return ret; -} - - - -static int amd_flash_write(struct mtd_info *mtd, loff_t to , size_t len, - size_t *retlen, const u_char *buf) -{ - struct map_info *map = mtd->priv; - struct amd_flash_private *private = map->fldrv_priv; - int ret = 0; - int chipnum; - unsigned long ofs; - unsigned long chipstart; - - *retlen = 0; - if (!len) { - return 0; - } - - chipnum = to >> private->chipshift; - ofs = to - (chipnum << private->chipshift); - chipstart = private->chips[chipnum].start; - - /* If it's not bus-aligned, do the first byte write. */ - if (ofs & (map->buswidth - 1)) { - unsigned long bus_ofs = ofs & ~(map->buswidth - 1); - int i = ofs - bus_ofs; - int n = 0; - u_char tmp_buf[4]; - __u32 datum; - - map_copy_from(map, tmp_buf, - bus_ofs + private->chips[chipnum].start, - map->buswidth); - while (len && i < map->buswidth) - tmp_buf[i++] = buf[n++], len--; - - if (map->buswidth == 2) { - datum = *(__u16*)tmp_buf; - } else if (map->buswidth == 4) { - datum = *(__u32*)tmp_buf; - } else { - return -EINVAL; /* should never happen, but be safe */ - } - - ret = write_one_word(map, &private->chips[chipnum], bus_ofs, - datum); - if (ret) { - return ret; - } - - ofs += n; - buf += n; - (*retlen) += n; - - if (ofs >> private->chipshift) { - chipnum++; - ofs = 0; - if (chipnum == private->numchips) { - return 0; - } - } - } - - /* We are now aligned, write as much as possible. */ - while(len >= map->buswidth) { - __u32 datum; - - if (map->buswidth == 1) { - datum = *(__u8*)buf; - } else if (map->buswidth == 2) { - datum = *(__u16*)buf; - } else if (map->buswidth == 4) { - datum = *(__u32*)buf; - } else { - return -EINVAL; - } - - ret = write_one_word(map, &private->chips[chipnum], ofs, datum); - - if (ret) { - return ret; - } - - ofs += map->buswidth; - buf += map->buswidth; - (*retlen) += map->buswidth; - len -= map->buswidth; - - if (ofs >> private->chipshift) { - chipnum++; - ofs = 0; - if (chipnum == private->numchips) { - return 0; - } - chipstart = private->chips[chipnum].start; - } - } - - if (len & (map->buswidth - 1)) { - int i = 0, n = 0; - u_char tmp_buf[2]; - __u32 datum; - - map_copy_from(map, tmp_buf, - ofs + private->chips[chipnum].start, - map->buswidth); - while (len--) { - tmp_buf[i++] = buf[n++]; - } - - if (map->buswidth == 2) { - datum = *(__u16*)tmp_buf; - } else if (map->buswidth == 4) { - datum = *(__u32*)tmp_buf; - } else { - return -EINVAL; /* should never happen, but be safe */ - } - - ret = write_one_word(map, &private->chips[chipnum], ofs, datum); - - if (ret) { - return ret; - } - - (*retlen) += n; - } - - return 0; -} - - - -static inline int erase_one_block(struct map_info *map, struct flchip *chip, - unsigned long adr, u_long size) -{ - unsigned long timeo = jiffies + HZ; - struct amd_flash_private *private = map->fldrv_priv; - DECLARE_WAITQUEUE(wait, current); - -retry: - spin_lock_bh(chip->mutex); - - if (chip->state != FL_READY){ - set_current_state(TASK_UNINTERRUPTIBLE); - add_wait_queue(&chip->wq, &wait); - - spin_unlock_bh(chip->mutex); - - schedule(); - remove_wait_queue(&chip->wq, &wait); - - if (signal_pending(current)) { - return -EINTR; - } - - timeo = jiffies + HZ; - - goto retry; - } - - chip->state = FL_ERASING; - - adr += chip->start; - ENABLE_VPP(map); - send_cmd(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA); - send_cmd_to_addr(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA_2, adr); - - timeo = jiffies + (HZ * 20); - - spin_unlock_bh(chip->mutex); - msleep(1000); - spin_lock_bh(chip->mutex); - - while (flash_is_busy(map, adr, private->interleave)) { - - if (chip->state != FL_ERASING) { - /* Someone's suspended the erase. Sleep */ - set_current_state(TASK_UNINTERRUPTIBLE); - add_wait_queue(&chip->wq, &wait); - - spin_unlock_bh(chip->mutex); - printk(KERN_INFO "%s: erase suspended. Sleeping\n", - map->name); - schedule(); - remove_wait_queue(&chip->wq, &wait); - - if (signal_pending(current)) { - return -EINTR; - } - - timeo = jiffies + (HZ*2); /* FIXME */ - spin_lock_bh(chip->mutex); - continue; - } - - /* OK Still waiting */ - if (time_after(jiffies, timeo)) { - chip->state = FL_READY; - spin_unlock_bh(chip->mutex); - printk(KERN_WARNING "%s: waiting for erase to complete " - "timed out.\n", map->name); - DISABLE_VPP(map); - - return -EIO; - } - - /* Latency issues. Drop the lock, wait a while and retry */ - spin_unlock_bh(chip->mutex); - - if (need_resched()) - schedule(); - else - udelay(1); - - spin_lock_bh(chip->mutex); - } - - /* Verify every single word */ - { - int address; - int error = 0; - __u8 verify; - - for (address = adr; address < (adr + size); address++) { - if ((verify = map_read8(map, address)) != 0xFF) { - error = 1; - break; - } - } - if (error) { - chip->state = FL_READY; - spin_unlock_bh(chip->mutex); - printk(KERN_WARNING - "%s: verify error at 0x%x, size %ld.\n", - map->name, address, size); - DISABLE_VPP(map); - - return -EIO; - } - } - - DISABLE_VPP(map); - chip->state = FL_READY; - wake_up(&chip->wq); - spin_unlock_bh(chip->mutex); - - return 0; -} - - - -static int amd_flash_erase(struct mtd_info *mtd, struct erase_info *instr) -{ - struct map_info *map = mtd->priv; - struct amd_flash_private *private = map->fldrv_priv; - unsigned long adr, len; - int chipnum; - int ret = 0; - int i; - int first; - struct mtd_erase_region_info *regions = mtd->eraseregions; - - if (instr->addr > mtd->size) { - return -EINVAL; - } - - if ((instr->len + instr->addr) > mtd->size) { - return -EINVAL; - } - - /* Check that both start and end of the requested erase are - * aligned with the erasesize at the appropriate addresses. - */ - - i = 0; - - /* Skip all erase regions which are ended before the start of - the requested erase. Actually, to save on the calculations, - we skip to the first erase region which starts after the - start of the requested erase, and then go back one. - */ - - while ((i < mtd->numeraseregions) && - (instr->addr >= regions[i].offset)) { - i++; - } - i--; - - /* OK, now i is pointing at the erase region in which this - * erase request starts. Check the start of the requested - * erase range is aligned with the erase size which is in - * effect here. - */ - - if (instr->addr & (regions[i].erasesize-1)) { - return -EINVAL; - } - - /* Remember the erase region we start on. */ - - first = i; - - /* Next, check that the end of the requested erase is aligned - * with the erase region at that address. - */ - - while ((i < mtd->numeraseregions) && - ((instr->addr + instr->len) >= regions[i].offset)) { - i++; - } - - /* As before, drop back one to point at the region in which - * the address actually falls. - */ - - i--; - - if ((instr->addr + instr->len) & (regions[i].erasesize-1)) { - return -EINVAL; - } - - chipnum = instr->addr >> private->chipshift; - adr = instr->addr - (chipnum << private->chipshift); - len = instr->len; - - i = first; - - while (len) { - ret = erase_one_block(map, &private->chips[chipnum], adr, - regions[i].erasesize); - - if (ret) { - return ret; - } - - adr += regions[i].erasesize; - len -= regions[i].erasesize; - - if ((adr % (1 << private->chipshift)) == - ((regions[i].offset + (regions[i].erasesize * - regions[i].numblocks)) - % (1 << private->chipshift))) { - i++; - } - - if (adr >> private->chipshift) { - adr = 0; - chipnum++; - if (chipnum >= private->numchips) { - break; - } - } - } - - instr->state = MTD_ERASE_DONE; - mtd_erase_callback(instr); - - return 0; -} - - - -static void amd_flash_sync(struct mtd_info *mtd) -{ - struct map_info *map = mtd->priv; - struct amd_flash_private *private = map->fldrv_priv; - int i; - struct flchip *chip; - int ret = 0; - DECLARE_WAITQUEUE(wait, current); - - for (i = 0; !ret && (i < private->numchips); i++) { - chip = &private->chips[i]; - - retry: - spin_lock_bh(chip->mutex); - - switch(chip->state) { - case FL_READY: - case FL_STATUS: - case FL_CFI_QUERY: - case FL_JEDEC_QUERY: - chip->oldstate = chip->state; - chip->state = FL_SYNCING; - /* No need to wake_up() on this state change - - * as the whole point is that nobody can do anything - * with the chip now anyway. - */ - case FL_SYNCING: - spin_unlock_bh(chip->mutex); - break; - - default: - /* Not an idle state */ - add_wait_queue(&chip->wq, &wait); - - spin_unlock_bh(chip->mutex); - - schedule(); - - remove_wait_queue(&chip->wq, &wait); - - goto retry; - } - } - - /* Unlock the chips again */ - for (i--; i >= 0; i--) { - chip = &private->chips[i]; - - spin_lock_bh(chip->mutex); - - if (chip->state == FL_SYNCING) { - chip->state = chip->oldstate; - wake_up(&chip->wq); - } - spin_unlock_bh(chip->mutex); - } -} - - - -static int amd_flash_suspend(struct mtd_info *mtd) -{ -printk("amd_flash_suspend(): not implemented!\n"); - return -EINVAL; -} - - - -static void amd_flash_resume(struct mtd_info *mtd) -{ -printk("amd_flash_resume(): not implemented!\n"); -} - - - -static void amd_flash_destroy(struct mtd_info *mtd) -{ - struct map_info *map = mtd->priv; - struct amd_flash_private *private = map->fldrv_priv; - kfree(private); -} - -int __init amd_flash_init(void) -{ - register_mtd_chip_driver(&amd_flash_chipdrv); - return 0; -} - -void __exit amd_flash_exit(void) -{ - unregister_mtd_chip_driver(&amd_flash_chipdrv); -} - -module_init(amd_flash_init); -module_exit(amd_flash_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jonas Holmberg <jonas.holmberg@axis.com>"); -MODULE_DESCRIPTION("Old MTD chip driver for AMD flash chips"); diff --git a/drivers/mtd/chips/jedec.c b/drivers/mtd/chips/jedec.c deleted file mode 100644 index 14e57b2bf842..000000000000 --- a/drivers/mtd/chips/jedec.c +++ /dev/null @@ -1,935 +0,0 @@ - -/* JEDEC Flash Interface. - * This is an older type of interface for self programming flash. It is - * commonly use in older AMD chips and is obsolete compared with CFI. - * It is called JEDEC because the JEDEC association distributes the ID codes - * for the chips. - * - * See the AMD flash databook for information on how to operate the interface. - * - * This code does not support anything wider than 8 bit flash chips, I am - * not going to guess how to send commands to them, plus I expect they will - * all speak CFI.. - * - * $Id: jedec.c,v 1.22 2005/01/05 18:05:11 dwmw2 Exp $ - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/mtd/jedec.h> -#include <linux/mtd/map.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/compatmac.h> - -static struct mtd_info *jedec_probe(struct map_info *); -static int jedec_probe8(struct map_info *map,unsigned long base, - struct jedec_private *priv); -static int jedec_probe16(struct map_info *map,unsigned long base, - struct jedec_private *priv); -static int jedec_probe32(struct map_info *map,unsigned long base, - struct jedec_private *priv); -static void jedec_flash_chip_scan(struct jedec_private *priv,unsigned long start, - unsigned long len); -static int flash_erase(struct mtd_info *mtd, struct erase_info *instr); -static int flash_write(struct mtd_info *mtd, loff_t start, size_t len, - size_t *retlen, const u_char *buf); - -static unsigned long my_bank_size; - -/* Listing of parts and sizes. We need this table to learn the sector - size of the chip and the total length */ -static const struct JEDECTable JEDEC_table[] = { - { - .jedec = 0x013D, - .name = "AMD Am29F017D", - .size = 2*1024*1024, - .sectorsize = 64*1024, - .capabilities = MTD_CAP_NORFLASH - }, - { - .jedec = 0x01AD, - .name = "AMD Am29F016", - .size = 2*1024*1024, - .sectorsize = 64*1024, - .capabilities = MTD_CAP_NORFLASH - }, - { - .jedec = 0x01D5, - .name = "AMD Am29F080", - .size = 1*1024*1024, - .sectorsize = 64*1024, - .capabilities = MTD_CAP_NORFLASH - }, - { - .jedec = 0x01A4, - .name = "AMD Am29F040", - .size = 512*1024, - .sectorsize = 64*1024, - .capabilities = MTD_CAP_NORFLASH - }, - { - .jedec = 0x20E3, - .name = "AMD Am29W040B", - .size = 512*1024, - .sectorsize = 64*1024, - .capabilities = MTD_CAP_NORFLASH - }, - { - .jedec = 0xC2AD, - .name = "Macronix MX29F016", - .size = 2*1024*1024, - .sectorsize = 64*1024, - .capabilities = MTD_CAP_NORFLASH - }, - { .jedec = 0x0 } -}; - -static const struct JEDECTable *jedec_idtoinf(__u8 mfr,__u8 id); -static void jedec_sync(struct mtd_info *mtd) {}; -static int jedec_read(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf); -static int jedec_read_banked(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf); - -static struct mtd_info *jedec_probe(struct map_info *map); - - - -static struct mtd_chip_driver jedec_chipdrv = { - .probe = jedec_probe, - .name = "jedec", - .module = THIS_MODULE -}; - -/* Probe entry point */ - -static struct mtd_info *jedec_probe(struct map_info *map) -{ - struct mtd_info *MTD; - struct jedec_private *priv; - unsigned long Base; - unsigned long SectorSize; - unsigned count; - unsigned I,Uniq; - char Part[200]; - memset(&priv,0,sizeof(priv)); - - MTD = kzalloc(sizeof(struct mtd_info) + sizeof(struct jedec_private), GFP_KERNEL); - if (!MTD) - return NULL; - - priv = (struct jedec_private *)&MTD[1]; - - my_bank_size = map->size; - - if (map->size/my_bank_size > MAX_JEDEC_CHIPS) - { - printk("mtd: Increase MAX_JEDEC_CHIPS, too many banks.\n"); - kfree(MTD); - return NULL; - } - - for (Base = 0; Base < map->size; Base += my_bank_size) - { - // Perhaps zero could designate all tests? - if (map->buswidth == 0) - map->buswidth = 1; - - if (map->buswidth == 1){ - if (jedec_probe8(map,Base,priv) == 0) { - printk("did recognize jedec chip\n"); - kfree(MTD); - return NULL; - } - } - if (map->buswidth == 2) - jedec_probe16(map,Base,priv); - if (map->buswidth == 4) - jedec_probe32(map,Base,priv); - } - - // Get the biggest sector size - SectorSize = 0; - for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) - { - // printk("priv->chips[%d].jedec is %x\n",I,priv->chips[I].jedec); - // printk("priv->chips[%d].sectorsize is %lx\n",I,priv->chips[I].sectorsize); - if (priv->chips[I].sectorsize > SectorSize) - SectorSize = priv->chips[I].sectorsize; - } - - // Quickly ensure that the other sector sizes are factors of the largest - for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) - { - if ((SectorSize/priv->chips[I].sectorsize)*priv->chips[I].sectorsize != SectorSize) - { - printk("mtd: Failed. Device has incompatible mixed sector sizes\n"); - kfree(MTD); - return NULL; - } - } - - /* Generate a part name that includes the number of different chips and - other configuration information */ - count = 1; - strlcpy(Part,map->name,sizeof(Part)-10); - strcat(Part," "); - Uniq = 0; - for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) - { - const struct JEDECTable *JEDEC; - - if (priv->chips[I+1].jedec == priv->chips[I].jedec) - { - count++; - continue; - } - - // Locate the chip in the jedec table - JEDEC = jedec_idtoinf(priv->chips[I].jedec >> 8,priv->chips[I].jedec); - if (JEDEC == 0) - { - printk("mtd: Internal Error, JEDEC not set\n"); - kfree(MTD); - return NULL; - } - - if (Uniq != 0) - strcat(Part,","); - Uniq++; - - if (count != 1) - sprintf(Part+strlen(Part),"%x*[%s]",count,JEDEC->name); - else - sprintf(Part+strlen(Part),"%s",JEDEC->name); - if (strlen(Part) > sizeof(Part)*2/3) - break; - count = 1; - } - - /* Determine if the chips are organized in a linear fashion, or if there - are empty banks. Note, the last bank does not count here, only the - first banks are important. Holes on non-bank boundaries can not exist - due to the way the detection algorithm works. */ - if (priv->size < my_bank_size) - my_bank_size = priv->size; - priv->is_banked = 0; - //printk("priv->size is %x, my_bank_size is %x\n",priv->size,my_bank_size); - //printk("priv->bank_fill[0] is %x\n",priv->bank_fill[0]); - if (!priv->size) { - printk("priv->size is zero\n"); - kfree(MTD); - return NULL; - } - if (priv->size/my_bank_size) { - if (priv->size/my_bank_size == 1) { - priv->size = my_bank_size; - } - else { - for (I = 0; I != priv->size/my_bank_size - 1; I++) - { - if (priv->bank_fill[I] != my_bank_size) - priv->is_banked = 1; - - /* This even could be eliminated, but new de-optimized read/write - functions have to be written */ - printk("priv->bank_fill[%d] is %lx, priv->bank_fill[0] is %lx\n",I,priv->bank_fill[I],priv->bank_fill[0]); - if (priv->bank_fill[I] != priv->bank_fill[0]) - { - printk("mtd: Failed. Cannot handle unsymmetric banking\n"); - kfree(MTD); - return NULL; - } - } - } - } - if (priv->is_banked == 1) - strcat(Part,", banked"); - - // printk("Part: '%s'\n",Part); - - memset(MTD,0,sizeof(*MTD)); - // strlcpy(MTD->name,Part,sizeof(MTD->name)); - MTD->name = map->name; - MTD->type = MTD_NORFLASH; - MTD->flags = MTD_CAP_NORFLASH; - MTD->writesize = 1; - MTD->erasesize = SectorSize*(map->buswidth); - // printk("MTD->erasesize is %x\n",(unsigned int)MTD->erasesize); - MTD->size = priv->size; - // printk("MTD->size is %x\n",(unsigned int)MTD->size); - //MTD->module = THIS_MODULE; // ? Maybe this should be the low level module? - MTD->erase = flash_erase; - if (priv->is_banked == 1) - MTD->read = jedec_read_banked; - else - MTD->read = jedec_read; - MTD->write = flash_write; - MTD->sync = jedec_sync; - MTD->priv = map; - map->fldrv_priv = priv; - map->fldrv = &jedec_chipdrv; - __module_get(THIS_MODULE); - return MTD; -} - -/* Helper for the JEDEC function, JEDEC numbers all have odd parity */ -static int checkparity(u_char C) -{ - u_char parity = 0; - while (C != 0) - { - parity ^= C & 1; - C >>= 1; - } - - return parity == 1; -} - - -/* Take an array of JEDEC numbers that represent interleved flash chips - and process them. Check to make sure they are good JEDEC numbers, look - them up and then add them to the chip list */ -static int handle_jedecs(struct map_info *map,__u8 *Mfg,__u8 *Id,unsigned Count, - unsigned long base,struct jedec_private *priv) -{ - unsigned I,J; - unsigned long Size; - unsigned long SectorSize; - const struct JEDECTable *JEDEC; - - // Test #2 JEDEC numbers exhibit odd parity - for (I = 0; I != Count; I++) - { - if (checkparity(Mfg[I]) == 0 || checkparity(Id[I]) == 0) - return 0; - } - - // Finally, just make sure all the chip sizes are the same - JEDEC = jedec_idtoinf(Mfg[0],Id[0]); - - if (JEDEC == 0) - { - printk("mtd: Found JEDEC flash chip, but do not have a table entry for %x:%x\n",Mfg[0],Mfg[1]); - return 0; - } - - Size = JEDEC->size; - SectorSize = JEDEC->sectorsize; - for (I = 0; I != Count; I++) - { - JEDEC = jedec_idtoinf(Mfg[0],Id[0]); - if (JEDEC == 0) - { - printk("mtd: Found JEDEC flash chip, but do not have a table entry for %x:%x\n",Mfg[0],Mfg[1]); - return 0; - } - - if (Size != JEDEC->size || SectorSize != JEDEC->sectorsize) - { - printk("mtd: Failed. Interleved flash does not have matching characteristics\n"); - return 0; - } - } - - // Load the Chips - for (I = 0; I != MAX_JEDEC_CHIPS; I++) - { - if (priv->chips[I].jedec == 0) - break; - } - - if (I + Count > MAX_JEDEC_CHIPS) - { - printk("mtd: Device has too many chips. Increase MAX_JEDEC_CHIPS\n"); - return 0; - } - - // Add them to the table - for (J = 0; J != Count; J++) - { - unsigned long Bank; - - JEDEC = jedec_idtoinf(Mfg[J],Id[J]); - priv->chips[I].jedec = (Mfg[J] << 8) | Id[J]; - priv->chips[I].size = JEDEC->size; - priv->chips[I].sectorsize = JEDEC->sectorsize; - priv->chips[I].base = base + J; - priv->chips[I].datashift = J*8; - priv->chips[I].capabilities = JEDEC->capabilities; - priv->chips[I].offset = priv->size + J; - - // log2 n :| - priv->chips[I].addrshift = 0; - for (Bank = Count; Bank != 1; Bank >>= 1, priv->chips[I].addrshift++); - - // Determine how filled this bank is. - Bank = base & (~(my_bank_size-1)); - if (priv->bank_fill[Bank/my_bank_size] < base + - (JEDEC->size << priv->chips[I].addrshift) - Bank) - priv->bank_fill[Bank/my_bank_size] = base + (JEDEC->size << priv->chips[I].addrshift) - Bank; - I++; - } - - priv->size += priv->chips[I-1].size*Count; - - return priv->chips[I-1].size; -} - -/* Lookup the chip information from the JEDEC ID table. */ -static const struct JEDECTable *jedec_idtoinf(__u8 mfr,__u8 id) -{ - __u16 Id = (mfr << 8) | id; - unsigned long I = 0; - for (I = 0; JEDEC_table[I].jedec != 0; I++) - if (JEDEC_table[I].jedec == Id) - return JEDEC_table + I; - return NULL; -} - -// Look for flash using an 8 bit bus interface -static int jedec_probe8(struct map_info *map,unsigned long base, - struct jedec_private *priv) -{ - #define flread(x) map_read8(map,base+x) - #define flwrite(v,x) map_write8(map,v,base+x) - - const unsigned long AutoSel1 = 0xAA; - const unsigned long AutoSel2 = 0x55; - const unsigned long AutoSel3 = 0x90; - const unsigned long Reset = 0xF0; - __u32 OldVal; - __u8 Mfg[1]; - __u8 Id[1]; - unsigned I; - unsigned long Size; - - // Wait for any write/erase operation to settle - OldVal = flread(base); - for (I = 0; OldVal != flread(base) && I < 10000; I++) - OldVal = flread(base); - - // Reset the chip - flwrite(Reset,0x555); - - // Send the sequence - flwrite(AutoSel1,0x555); - flwrite(AutoSel2,0x2AA); - flwrite(AutoSel3,0x555); - - // Get the JEDEC numbers - Mfg[0] = flread(0); - Id[0] = flread(1); - // printk("Mfg is %x, Id is %x\n",Mfg[0],Id[0]); - - Size = handle_jedecs(map,Mfg,Id,1,base,priv); - // printk("handle_jedecs Size is %x\n",(unsigned int)Size); - if (Size == 0) - { - flwrite(Reset,0x555); - return 0; - } - - - // Reset. - flwrite(Reset,0x555); - - return 1; - - #undef flread - #undef flwrite -} - -// Look for flash using a 16 bit bus interface (ie 2 8-bit chips) -static int jedec_probe16(struct map_info *map,unsigned long base, - struct jedec_private *priv) -{ - return 0; -} - -// Look for flash using a 32 bit bus interface (ie 4 8-bit chips) -static int jedec_probe32(struct map_info *map,unsigned long base, - struct jedec_private *priv) -{ - #define flread(x) map_read32(map,base+((x)<<2)) - #define flwrite(v,x) map_write32(map,v,base+((x)<<2)) - - const unsigned long AutoSel1 = 0xAAAAAAAA; - const unsigned long AutoSel2 = 0x55555555; - const unsigned long AutoSel3 = 0x90909090; - const unsigned long Reset = 0xF0F0F0F0; - __u32 OldVal; - __u8 Mfg[4]; - __u8 Id[4]; - unsigned I; - unsigned long Size; - - // Wait for any write/erase operation to settle - OldVal = flread(base); - for (I = 0; OldVal != flread(base) && I < 10000; I++) - OldVal = flread(base); - - // Reset the chip - flwrite(Reset,0x555); - - // Send the sequence - flwrite(AutoSel1,0x555); - flwrite(AutoSel2,0x2AA); - flwrite(AutoSel3,0x555); - - // Test #1, JEDEC numbers are readable from 0x??00/0x??01 - if (flread(0) != flread(0x100) || - flread(1) != flread(0x101)) - { - flwrite(Reset,0x555); - return 0; - } - - // Split up the JEDEC numbers - OldVal = flread(0); - for (I = 0; I != 4; I++) - Mfg[I] = (OldVal >> (I*8)); - OldVal = flread(1); - for (I = 0; I != 4; I++) - Id[I] = (OldVal >> (I*8)); - - Size = handle_jedecs(map,Mfg,Id,4,base,priv); - if (Size == 0) - { - flwrite(Reset,0x555); - return 0; - } - - /* Check if there is address wrap around within a single bank, if this - returns JEDEC numbers then we assume that it is wrap around. Notice - we call this routine with the JEDEC return still enabled, if two or - more flashes have a truncated address space the probe test will still - work */ - if (base + (Size<<2)+0x555 < map->size && - base + (Size<<2)+0x555 < (base & (~(my_bank_size-1))) + my_bank_size) - { - if (flread(base+Size) != flread(base+Size + 0x100) || - flread(base+Size + 1) != flread(base+Size + 0x101)) - { - jedec_probe32(map,base+Size,priv); - } - } - - // Reset. - flwrite(0xF0F0F0F0,0x555); - - return 1; - - #undef flread - #undef flwrite -} - -/* Linear read. */ -static int jedec_read(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf) -{ - struct map_info *map = mtd->priv; - - map_copy_from(map, buf, from, len); - *retlen = len; - return 0; -} - -/* Banked read. Take special care to jump past the holes in the bank - mapping. This version assumes symetry in the holes.. */ -static int jedec_read_banked(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf) -{ - struct map_info *map = mtd->priv; - struct jedec_private *priv = map->fldrv_priv; - - *retlen = 0; - while (len > 0) - { - // Determine what bank and offset into that bank the first byte is - unsigned long bank = from & (~(priv->bank_fill[0]-1)); - unsigned long offset = from & (priv->bank_fill[0]-1); - unsigned long get = len; - if (priv->bank_fill[0] - offset < len) - get = priv->bank_fill[0] - offset; - - bank /= priv->bank_fill[0]; - map_copy_from(map,buf + *retlen,bank*my_bank_size + offset,get); - - len -= get; - *retlen += get; - from += get; - } - return 0; -} - -/* Pass the flags value that the flash return before it re-entered read - mode. */ -static void jedec_flash_failed(unsigned char code) -{ - /* Bit 5 being high indicates that there was an internal device - failure, erasure time limits exceeded or something */ - if ((code & (1 << 5)) != 0) - { - printk("mtd: Internal Flash failure\n"); - return; - } - printk("mtd: Programming didn't take\n"); -} - -/* This uses the erasure function described in the AMD Flash Handbook, - it will work for flashes with a fixed sector size only. Flashes with - a selection of sector sizes (ie the AMD Am29F800B) will need a different - routine. This routine tries to parallize erasing multiple chips/sectors - where possible */ -static int flash_erase(struct mtd_info *mtd, struct erase_info *instr) -{ - // Does IO to the currently selected chip - #define flread(x) map_read8(map,chip->base+((x)<<chip->addrshift)) - #define flwrite(v,x) map_write8(map,v,chip->base+((x)<<chip->addrshift)) - - unsigned long Time = 0; - unsigned long NoTime = 0; - unsigned long start = instr->addr, len = instr->len; - unsigned int I; - struct map_info *map = mtd->priv; - struct jedec_private *priv = map->fldrv_priv; - - // Verify the arguments.. - if (start + len > mtd->size || - (start % mtd->erasesize) != 0 || - (len % mtd->erasesize) != 0 || - (len/mtd->erasesize) == 0) - return -EINVAL; - - jedec_flash_chip_scan(priv,start,len); - - // Start the erase sequence on each chip - for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) - { - unsigned long off; - struct jedec_flash_chip *chip = priv->chips + I; - - if (chip->length == 0) - continue; - - if (chip->start + chip->length > chip->size) - { - printk("DIE\n"); - return -EIO; - } - - flwrite(0xF0,chip->start + 0x555); - flwrite(0xAA,chip->start + 0x555); - flwrite(0x55,chip->start + 0x2AA); - flwrite(0x80,chip->start + 0x555); - flwrite(0xAA,chip->start + 0x555); - flwrite(0x55,chip->start + 0x2AA); - - /* Once we start selecting the erase sectors the delay between each - command must not exceed 50us or it will immediately start erasing - and ignore the other sectors */ - for (off = 0; off < len; off += chip->sectorsize) - { - // Check to make sure we didn't timeout - flwrite(0x30,chip->start + off); - if (off == 0) - continue; - if ((flread(chip->start + off) & (1 << 3)) != 0) - { - printk("mtd: Ack! We timed out the erase timer!\n"); - return -EIO; - } - } - } - - /* We could split this into a timer routine and return early, performing - background erasure.. Maybe later if the need warrents */ - - /* Poll the flash for erasure completion, specs say this can take as long - as 480 seconds to do all the sectors (for a 2 meg flash). - Erasure time is dependent on chip age, temp and wear.. */ - - /* This being a generic routine assumes a 32 bit bus. It does read32s - and bundles interleved chips into the same grouping. This will work - for all bus widths */ - Time = 0; - NoTime = 0; - for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) - { - struct jedec_flash_chip *chip = priv->chips + I; - unsigned long off = 0; - unsigned todo[4] = {0,0,0,0}; - unsigned todo_left = 0; - unsigned J; - - if (chip->length == 0) - continue; - - /* Find all chips in this data line, realistically this is all - or nothing up to the interleve count */ - for (J = 0; priv->chips[J].jedec != 0 && J < MAX_JEDEC_CHIPS; J++) - { - if ((priv->chips[J].base & (~((1<<chip->addrshift)-1))) == - (chip->base & (~((1<<chip->addrshift)-1)))) - { - todo_left++; - todo[priv->chips[J].base & ((1<<chip->addrshift)-1)] = 1; - } - } - - /* printk("todo: %x %x %x %x\n",(short)todo[0],(short)todo[1], - (short)todo[2],(short)todo[3]); - */ - while (1) - { - __u32 Last[4]; - unsigned long Count = 0; - - /* During erase bit 7 is held low and bit 6 toggles, we watch this, - should it stop toggling or go high then the erase is completed, - or this is not really flash ;> */ - switch (map->buswidth) { - case 1: - Last[0] = map_read8(map,(chip->base >> chip->addrshift) + chip->start + off); - Last[1] = map_read8(map,(chip->base >> chip->addrshift) + chip->start + off); - Last[2] = map_read8(map,(chip->base >> chip->addrshift) + chip->start + off); - break; - case 2: - Last[0] = map_read16(map,(chip->base >> chip->addrshift) + chip->start + off); - Last[1] = map_read16(map,(chip->base >> chip->addrshift) + chip->start + off); - Last[2] = map_read16(map,(chip->base >> chip->addrshift) + chip->start + off); - break; - case 3: - Last[0] = map_read32(map,(chip->base >> chip->addrshift) + chip->start + off); - Last[1] = map_read32(map,(chip->base >> chip->addrshift) + chip->start + off); - Last[2] = map_read32(map,(chip->base >> chip->addrshift) + chip->start + off); - break; - } - Count = 3; - while (todo_left != 0) - { - for (J = 0; J != 4; J++) - { - __u8 Byte1 = (Last[(Count-1)%4] >> (J*8)) & 0xFF; - __u8 Byte2 = (Last[(Count-2)%4] >> (J*8)) & 0xFF; - __u8 Byte3 = (Last[(Count-3)%4] >> (J*8)) & 0xFF; - if (todo[J] == 0) - continue; - - if ((Byte1 & (1 << 7)) == 0 && Byte1 != Byte2) - { -// printk("Check %x %x %x\n",(short)J,(short)Byte1,(short)Byte2); - continue; - } - - if (Byte1 == Byte2) - { - jedec_flash_failed(Byte3); - return -EIO; - } - - todo[J] = 0; - todo_left--; - } - -/* if (NoTime == 0) - Time += HZ/10 - schedule_timeout(HZ/10);*/ - NoTime = 0; - - switch (map->buswidth) { - case 1: - Last[Count % 4] = map_read8(map,(chip->base >> chip->addrshift) + chip->start + off); - break; - case 2: - Last[Count % 4] = map_read16(map,(chip->base >> chip->addrshift) + chip->start + off); - break; - case 4: - Last[Count % 4] = map_read32(map,(chip->base >> chip->addrshift) + chip->start + off); - break; - } - Count++; - -/* // Count time, max of 15s per sector (according to AMD) - if (Time > 15*len/mtd->erasesize*HZ) - { - printk("mtd: Flash Erase Timed out\n"); - return -EIO; - } */ - } - - // Skip to the next chip if we used chip erase - if (chip->length == chip->size) - off = chip->size; - else - off += chip->sectorsize; - - if (off >= chip->length) - break; - NoTime = 1; - } - - for (J = 0; priv->chips[J].jedec != 0 && J < MAX_JEDEC_CHIPS; J++) - { - if ((priv->chips[J].base & (~((1<<chip->addrshift)-1))) == - (chip->base & (~((1<<chip->addrshift)-1)))) - priv->chips[J].length = 0; - } - } - - //printk("done\n"); - instr->state = MTD_ERASE_DONE; - mtd_erase_callback(instr); - return 0; - - #undef flread - #undef flwrite -} - -/* This is the simple flash writing function. It writes to every byte, in - sequence. It takes care of how to properly address the flash if - the flash is interleved. It can only be used if all the chips in the - array are identical!*/ -static int flash_write(struct mtd_info *mtd, loff_t start, size_t len, - size_t *retlen, const u_char *buf) -{ - /* Does IO to the currently selected chip. It takes the bank addressing - base (which is divisible by the chip size) adds the necessary lower bits - of addrshift (interleave index) and then adds the control register index. */ - #define flread(x) map_read8(map,base+(off&((1<<chip->addrshift)-1))+((x)<<chip->addrshift)) - #define flwrite(v,x) map_write8(map,v,base+(off&((1<<chip->addrshift)-1))+((x)<<chip->addrshift)) - - struct map_info *map = mtd->priv; - struct jedec_private *priv = map->fldrv_priv; - unsigned long base; - unsigned long off; - size_t save_len = len; - - if (start + len > mtd->size) - return -EIO; - - //printk("Here"); - - //printk("flash_write: start is %x, len is %x\n",start,(unsigned long)len); - while (len != 0) - { - struct jedec_flash_chip *chip = priv->chips; - unsigned long bank; - unsigned long boffset; - - // Compute the base of the flash. - off = ((unsigned long)start) % (chip->size << chip->addrshift); - base = start - off; - - // Perform banked addressing translation. - bank = base & (~(priv->bank_fill[0]-1)); - boffset = base & (priv->bank_fill[0]-1); - bank = (bank/priv->bank_fill[0])*my_bank_size; - base = bank + boffset; - - // printk("Flasing %X %X %X\n",base,chip->size,len); - // printk("off is %x, compare with %x\n",off,chip->size << chip->addrshift); - - // Loop over this page - for (; off != (chip->size << chip->addrshift) && len != 0; start++, len--, off++,buf++) - { - unsigned char oldbyte = map_read8(map,base+off); - unsigned char Last[4]; - unsigned long Count = 0; - - if (oldbyte == *buf) { - // printk("oldbyte and *buf is %x,len is %x\n",oldbyte,len); - continue; - } - if (((~oldbyte) & *buf) != 0) - printk("mtd: warn: Trying to set a 0 to a 1\n"); - - // Write - flwrite(0xAA,0x555); - flwrite(0x55,0x2AA); - flwrite(0xA0,0x555); - map_write8(map,*buf,base + off); - Last[0] = map_read8(map,base + off); - Last[1] = map_read8(map,base + off); - Last[2] = map_read8(map,base + off); - - /* Wait for the flash to finish the operation. We store the last 4 - status bytes that have been retrieved so we can determine why - it failed. The toggle bits keep toggling when there is a - failure */ - for (Count = 3; Last[(Count - 1) % 4] != Last[(Count - 2) % 4] && - Count < 10000; Count++) - Last[Count % 4] = map_read8(map,base + off); - if (Last[(Count - 1) % 4] != *buf) - { - jedec_flash_failed(Last[(Count - 3) % 4]); - return -EIO; - } - } - } - *retlen = save_len; - return 0; -} - -/* This is used to enhance the speed of the erase routine, - when things are being done to multiple chips it is possible to - parallize the operations, particularly full memory erases of multi - chip memories benifit */ -static void jedec_flash_chip_scan(struct jedec_private *priv,unsigned long start, - unsigned long len) -{ - unsigned int I; - - // Zero the records - for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) - priv->chips[I].start = priv->chips[I].length = 0; - - // Intersect the region with each chip - for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) - { - struct jedec_flash_chip *chip = priv->chips + I; - unsigned long ByteStart; - unsigned long ChipEndByte = chip->offset + (chip->size << chip->addrshift); - - // End is before this chip or the start is after it - if (start+len < chip->offset || - ChipEndByte - (1 << chip->addrshift) < start) - continue; - - if (start < chip->offset) - { - ByteStart = chip->offset; - chip->start = 0; - } - else - { - chip->start = (start - chip->offset + (1 << chip->addrshift)-1) >> chip->addrshift; - ByteStart = start; - } - - if (start + len >= ChipEndByte) - chip->length = (ChipEndByte - ByteStart) >> chip->addrshift; - else - chip->length = (start + len - ByteStart + (1 << chip->addrshift)-1) >> chip->addrshift; - } -} - -int __init jedec_init(void) -{ - register_mtd_chip_driver(&jedec_chipdrv); - return 0; -} - -static void __exit jedec_exit(void) -{ - unregister_mtd_chip_driver(&jedec_chipdrv); -} - -module_init(jedec_init); -module_exit(jedec_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jason Gunthorpe <jgg@deltatee.com> et al."); -MODULE_DESCRIPTION("Old MTD chip driver for JEDEC-compliant flash chips"); diff --git a/drivers/mtd/chips/sharp.c b/drivers/mtd/chips/sharp.c deleted file mode 100644 index c9cd3d21ccfa..000000000000 --- a/drivers/mtd/chips/sharp.c +++ /dev/null @@ -1,601 +0,0 @@ -/* - * MTD chip driver for pre-CFI Sharp flash chips - * - * Copyright 2000,2001 David A. Schleef <ds@schleef.org> - * 2000,2001 Lineo, Inc. - * - * $Id: sharp.c,v 1.17 2005/11/29 14:28:28 gleixner Exp $ - * - * Devices supported: - * LH28F016SCT Symmetrical block flash memory, 2Mx8 - * LH28F008SCT Symmetrical block flash memory, 1Mx8 - * - * Documentation: - * http://www.sharpmeg.com/datasheets/memic/flashcmp/ - * http://www.sharpmeg.com/datasheets/memic/flashcmp/01symf/16m/016sctl9.pdf - * 016sctl9.pdf - * - * Limitations: - * This driver only supports 4x1 arrangement of chips. - * Not tested on anything but PowerPC. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/mtd/map.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/cfi.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/slab.h> - -#define CMD_RESET 0xffffffff -#define CMD_READ_ID 0x90909090 -#define CMD_READ_STATUS 0x70707070 -#define CMD_CLEAR_STATUS 0x50505050 -#define CMD_BLOCK_ERASE_1 0x20202020 -#define CMD_BLOCK_ERASE_2 0xd0d0d0d0 -#define CMD_BYTE_WRITE 0x40404040 -#define CMD_SUSPEND 0xb0b0b0b0 -#define CMD_RESUME 0xd0d0d0d0 -#define CMD_SET_BLOCK_LOCK_1 0x60606060 -#define CMD_SET_BLOCK_LOCK_2 0x01010101 -#define CMD_SET_MASTER_LOCK_1 0x60606060 -#define CMD_SET_MASTER_LOCK_2 0xf1f1f1f1 -#define CMD_CLEAR_BLOCK_LOCKS_1 0x60606060 -#define CMD_CLEAR_BLOCK_LOCKS_2 0xd0d0d0d0 - -#define SR_READY 0x80808080 // 1 = ready -#define SR_ERASE_SUSPEND 0x40404040 // 1 = block erase suspended -#define SR_ERROR_ERASE 0x20202020 // 1 = error in block erase or clear lock bits -#define SR_ERROR_WRITE 0x10101010 // 1 = error in byte write or set lock bit -#define SR_VPP 0x08080808 // 1 = Vpp is low -#define SR_WRITE_SUSPEND 0x04040404 // 1 = byte write suspended -#define SR_PROTECT 0x02020202 // 1 = lock bit set -#define SR_RESERVED 0x01010101 - -#define SR_ERRORS (SR_ERROR_ERASE|SR_ERROR_WRITE|SR_VPP|SR_PROTECT) - -/* Configuration options */ - -#undef AUTOUNLOCK /* automatically unlocks blocks before erasing */ - -static struct mtd_info *sharp_probe(struct map_info *); - -static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd); - -static int sharp_read(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf); -static int sharp_write(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, const u_char *buf); -static int sharp_erase(struct mtd_info *mtd, struct erase_info *instr); -static void sharp_sync(struct mtd_info *mtd); -static int sharp_suspend(struct mtd_info *mtd); -static void sharp_resume(struct mtd_info *mtd); -static void sharp_destroy(struct mtd_info *mtd); - -static int sharp_write_oneword(struct map_info *map, struct flchip *chip, - unsigned long adr, __u32 datum); -static int sharp_erase_oneblock(struct map_info *map, struct flchip *chip, - unsigned long adr); -#ifdef AUTOUNLOCK -static void sharp_unlock_oneblock(struct map_info *map, struct flchip *chip, - unsigned long adr); -#endif - - -struct sharp_info{ - struct flchip *chip; - int bogus; - int chipshift; - int numchips; - struct flchip chips[1]; -}; - -static void sharp_destroy(struct mtd_info *mtd); - -static struct mtd_chip_driver sharp_chipdrv = { - .probe = sharp_probe, - .destroy = sharp_destroy, - .name = "sharp", - .module = THIS_MODULE -}; - - -static struct mtd_info *sharp_probe(struct map_info *map) -{ - struct mtd_info *mtd = NULL; - struct sharp_info *sharp = NULL; - int width; - - mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); - if(!mtd) - return NULL; - - sharp = kzalloc(sizeof(*sharp), GFP_KERNEL); - if(!sharp) { - kfree(mtd); - return NULL; - } - - width = sharp_probe_map(map,mtd); - if(!width){ - kfree(mtd); - kfree(sharp); - return NULL; - } - - mtd->priv = map; - mtd->type = MTD_NORFLASH; - mtd->erase = sharp_erase; - mtd->read = sharp_read; - mtd->write = sharp_write; - mtd->sync = sharp_sync; - mtd->suspend = sharp_suspend; - mtd->resume = sharp_resume; - mtd->flags = MTD_CAP_NORFLASH; - mtd->writesize = 1; - mtd->name = map->name; - - sharp->chipshift = 23; - sharp->numchips = 1; - sharp->chips[0].start = 0; - sharp->chips[0].state = FL_READY; - sharp->chips[0].mutex = &sharp->chips[0]._spinlock; - sharp->chips[0].word_write_time = 0; - init_waitqueue_head(&sharp->chips[0].wq); - spin_lock_init(&sharp->chips[0]._spinlock); - - map->fldrv = &sharp_chipdrv; - map->fldrv_priv = sharp; - - __module_get(THIS_MODULE); - return mtd; -} - -static inline void sharp_send_cmd(struct map_info *map, unsigned long cmd, unsigned long adr) -{ - map_word map_cmd; - map_cmd.x[0] = cmd; - map_write(map, map_cmd, adr); -} - -static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd) -{ - map_word tmp, read0, read4; - unsigned long base = 0; - int width = 4; - - tmp = map_read(map, base+0); - - sharp_send_cmd(map, CMD_READ_ID, base+0); - - read0 = map_read(map, base+0); - read4 = map_read(map, base+4); - if(read0.x[0] == 0x89898989){ - printk("Looks like sharp flash\n"); - switch(read4.x[0]){ - case 0xaaaaaaaa: - case 0xa0a0a0a0: - /* aa - LH28F016SCT-L95 2Mx8, 32 64k blocks*/ - /* a0 - LH28F016SCT-Z4 2Mx8, 32 64k blocks*/ - mtd->erasesize = 0x10000 * width; - mtd->size = 0x200000 * width; - return width; - case 0xa6a6a6a6: - /* a6 - LH28F008SCT-L12 1Mx8, 16 64k blocks*/ - /* a6 - LH28F008SCR-L85 1Mx8, 16 64k blocks*/ - mtd->erasesize = 0x10000 * width; - mtd->size = 0x100000 * width; - return width; -#if 0 - case 0x00000000: /* unknown */ - /* XX - LH28F004SCT 512kx8, 8 64k blocks*/ - mtd->erasesize = 0x10000 * width; - mtd->size = 0x80000 * width; - return width; -#endif - default: - printk("Sort-of looks like sharp flash, 0x%08lx 0x%08lx\n", - read0.x[0], read4.x[0]); - } - }else if((map_read(map, base+0).x[0] == CMD_READ_ID)){ - /* RAM, probably */ - printk("Looks like RAM\n"); - map_write(map, tmp, base+0); - }else{ - printk("Doesn't look like sharp flash, 0x%08lx 0x%08lx\n", - read0.x[0], read4.x[0]); - } - - return 0; -} - -/* This function returns with the chip->mutex lock held. */ -static int sharp_wait(struct map_info *map, struct flchip *chip) -{ - int i; - map_word status; - unsigned long timeo = jiffies + HZ; - DECLARE_WAITQUEUE(wait, current); - int adr = 0; - -retry: - spin_lock_bh(chip->mutex); - - switch(chip->state){ - case FL_READY: - sharp_send_cmd(map, CMD_READ_STATUS, adr); - chip->state = FL_STATUS; - case FL_STATUS: - for(i=0;i<100;i++){ - status = map_read(map, adr); - if((status.x[0] & SR_READY)==SR_READY) - break; - udelay(1); - } - break; - default: - printk("Waiting for chip\n"); - - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&chip->wq, &wait); - - spin_unlock_bh(chip->mutex); - - schedule(); - remove_wait_queue(&chip->wq, &wait); - - if(signal_pending(current)) - return -EINTR; - - timeo = jiffies + HZ; - - goto retry; - } - - sharp_send_cmd(map, CMD_RESET, adr); - - chip->state = FL_READY; - - return 0; -} - -static void sharp_release(struct flchip *chip) -{ - wake_up(&chip->wq); - spin_unlock_bh(chip->mutex); -} - -static int sharp_read(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf) -{ - struct map_info *map = mtd->priv; - struct sharp_info *sharp = map->fldrv_priv; - int chipnum; - int ret = 0; - int ofs = 0; - - chipnum = (from >> sharp->chipshift); - ofs = from & ((1 << sharp->chipshift)-1); - - *retlen = 0; - - while(len){ - unsigned long thislen; - - if(chipnum>=sharp->numchips) - break; - - thislen = len; - if(ofs+thislen >= (1<<sharp->chipshift)) - thislen = (1<<sharp->chipshift) - ofs; - - ret = sharp_wait(map,&sharp->chips[chipnum]); - if(ret<0) - break; - - map_copy_from(map,buf,ofs,thislen); - - sharp_release(&sharp->chips[chipnum]); - - *retlen += thislen; - len -= thislen; - buf += thislen; - - ofs = 0; - chipnum++; - } - return ret; -} - -static int sharp_write(struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf) -{ - struct map_info *map = mtd->priv; - struct sharp_info *sharp = map->fldrv_priv; - int ret = 0; - int i,j; - int chipnum; - unsigned long ofs; - union { u32 l; unsigned char uc[4]; } tbuf; - - *retlen = 0; - - while(len){ - tbuf.l = 0xffffffff; - chipnum = to >> sharp->chipshift; - ofs = to & ((1<<sharp->chipshift)-1); - - j=0; - for(i=ofs&3;i<4 && len;i++){ - tbuf.uc[i] = *buf; - buf++; - to++; - len--; - j++; - } - sharp_write_oneword(map, &sharp->chips[chipnum], ofs&~3, tbuf.l); - if(ret<0) - return ret; - (*retlen)+=j; - } - - return 0; -} - -static int sharp_write_oneword(struct map_info *map, struct flchip *chip, - unsigned long adr, __u32 datum) -{ - int ret; - int timeo; - int try; - int i; - map_word data, status; - - status.x[0] = 0; - ret = sharp_wait(map,chip); - - for(try=0;try<10;try++){ - sharp_send_cmd(map, CMD_BYTE_WRITE, adr); - /* cpu_to_le32 -> hack to fix the writel be->le conversion */ - data.x[0] = cpu_to_le32(datum); - map_write(map, data, adr); - - chip->state = FL_WRITING; - - timeo = jiffies + (HZ/2); - - sharp_send_cmd(map, CMD_READ_STATUS, adr); - for(i=0;i<100;i++){ - status = map_read(map, adr); - if((status.x[0] & SR_READY) == SR_READY) - break; - } - if(i==100){ - printk("sharp: timed out writing\n"); - } - - if(!(status.x[0] & SR_ERRORS)) - break; - - printk("sharp: error writing byte at addr=%08lx status=%08lx\n", adr, status.x[0]); - - sharp_send_cmd(map, CMD_CLEAR_STATUS, adr); - } - sharp_send_cmd(map, CMD_RESET, adr); - chip->state = FL_READY; - - wake_up(&chip->wq); - spin_unlock_bh(chip->mutex); - - return 0; -} - -static int sharp_erase(struct mtd_info *mtd, struct erase_info *instr) -{ - struct map_info *map = mtd->priv; - struct sharp_info *sharp = map->fldrv_priv; - unsigned long adr,len; - int chipnum, ret=0; - -//printk("sharp_erase()\n"); - if(instr->addr & (mtd->erasesize - 1)) - return -EINVAL; - if(instr->len & (mtd->erasesize - 1)) - return -EINVAL; - if(instr->len + instr->addr > mtd->size) - return -EINVAL; - - chipnum = instr->addr >> sharp->chipshift; - adr = instr->addr & ((1<<sharp->chipshift)-1); - len = instr->len; - - while(len){ - ret = sharp_erase_oneblock(map, &sharp->chips[chipnum], adr); - if(ret)return ret; - - adr += mtd->erasesize; - len -= mtd->erasesize; - if(adr >> sharp->chipshift){ - adr = 0; - chipnum++; - if(chipnum>=sharp->numchips) - break; - } - } - - instr->state = MTD_ERASE_DONE; - mtd_erase_callback(instr); - - return 0; -} - -static int sharp_do_wait_for_ready(struct map_info *map, struct flchip *chip, - unsigned long adr) -{ - int ret; - unsigned long timeo; - map_word status; - DECLARE_WAITQUEUE(wait, current); - - sharp_send_cmd(map, CMD_READ_STATUS, adr); - status = map_read(map, adr); - - timeo = jiffies + HZ; - - while(time_before(jiffies, timeo)){ - sharp_send_cmd(map, CMD_READ_STATUS, adr); - status = map_read(map, adr); - if((status.x[0] & SR_READY)==SR_READY){ - ret = 0; - goto out; - } - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&chip->wq, &wait); - - //spin_unlock_bh(chip->mutex); - - schedule_timeout(1); - schedule(); - remove_wait_queue(&chip->wq, &wait); - - //spin_lock_bh(chip->mutex); - - if (signal_pending(current)){ - ret = -EINTR; - goto out; - } - - } - ret = -ETIME; -out: - return ret; -} - -static int sharp_erase_oneblock(struct map_info *map, struct flchip *chip, - unsigned long adr) -{ - int ret; - //int timeo; - map_word status; - //int i; - -//printk("sharp_erase_oneblock()\n"); - -#ifdef AUTOUNLOCK - /* This seems like a good place to do an unlock */ - sharp_unlock_oneblock(map,chip,adr); -#endif - - sharp_send_cmd(map, CMD_BLOCK_ERASE_1, adr); - sharp_send_cmd(map, CMD_BLOCK_ERASE_2, adr); - - chip->state = FL_ERASING; - - ret = sharp_do_wait_for_ready(map,chip,adr); - if(ret<0)return ret; - - sharp_send_cmd(map, CMD_READ_STATUS, adr); - status = map_read(map, adr); - - if(!(status.x[0] & SR_ERRORS)){ - sharp_send_cmd(map, CMD_RESET, adr); - chip->state = FL_READY; - //spin_unlock_bh(chip->mutex); - return 0; - } - - printk("sharp: error erasing block at addr=%08lx status=%08lx\n", adr, status.x[0]); - sharp_send_cmd(map, CMD_CLEAR_STATUS, adr); - - //spin_unlock_bh(chip->mutex); - - return -EIO; -} - -#ifdef AUTOUNLOCK -static void sharp_unlock_oneblock(struct map_info *map, struct flchip *chip, - unsigned long adr) -{ - int i; - map_word status; - - sharp_send_cmd(map, CMD_CLEAR_BLOCK_LOCKS_1, adr); - sharp_send_cmd(map, CMD_CLEAR_BLOCK_LOCKS_2, adr); - - udelay(100); - - status = map_read(map, adr); - printk("status=%08lx\n", status.x[0]); - - for(i=0;i<1000;i++){ - //sharp_send_cmd(map, CMD_READ_STATUS, adr); - status = map_read(map, adr); - if((status.x[0] & SR_READY) == SR_READY) - break; - udelay(100); - } - if(i==1000){ - printk("sharp: timed out unlocking block\n"); - } - - if(!(status.x[0] & SR_ERRORS)){ - sharp_send_cmd(map, CMD_RESET, adr); - chip->state = FL_READY; - return; - } - - printk("sharp: error unlocking block at addr=%08lx status=%08lx\n", adr, status.x[0]); - sharp_send_cmd(map, CMD_CLEAR_STATUS, adr); -} -#endif - -static void sharp_sync(struct mtd_info *mtd) -{ - //printk("sharp_sync()\n"); -} - -static int sharp_suspend(struct mtd_info *mtd) -{ - printk("sharp_suspend()\n"); - return -EINVAL; -} - -static void sharp_resume(struct mtd_info *mtd) -{ - printk("sharp_resume()\n"); - -} - -static void sharp_destroy(struct mtd_info *mtd) -{ - printk("sharp_destroy()\n"); - -} - -static int __init sharp_probe_init(void) -{ - printk("MTD Sharp chip driver <ds@lineo.com>\n"); - - register_mtd_chip_driver(&sharp_chipdrv); - - return 0; -} - -static void __exit sharp_probe_exit(void) -{ - unregister_mtd_chip_driver(&sharp_chipdrv); -} - -module_init(sharp_probe_init); -module_exit(sharp_probe_exit); - - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("David Schleef <ds@schleef.org>"); -MODULE_DESCRIPTION("Old MTD chip driver for pre-CFI Sharp flash chips"); diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index fc4cc8ba9e29..be4b9948c762 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -373,7 +373,7 @@ static inline void kill_final_newline(char *str) #ifndef MODULE static int block2mtd_init_called = 0; -static __initdata char block2mtd_paramline[80 + 12]; /* 80 for device, 12 for erase size */ +static char block2mtd_paramline[80 + 12]; /* 80 for device, 12 for erase size */ #endif diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index d990d8141ef5..b665e4ac2208 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -60,7 +60,7 @@ config MTD_PHYSMAP_BANKWIDTH (i.e., run-time calling physmap_configure()). config MTD_PHYSMAP_OF - tristate "Flash device in physical memory map based on OF descirption" + tristate "Flash device in physical memory map based on OF description" depends on PPC_OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM) help This provides a 'mapping' driver which allows the NOR Flash and @@ -358,22 +358,6 @@ config MTD_CFI_FLAGADM Mapping for the Flaga digital module. If you don't have one, ignore this setting. -config MTD_BEECH - tristate "CFI Flash device mapped on IBM 405LP Beech" - depends on MTD_CFI && BEECH - help - This enables access routines for the flash chips on the IBM - 405LP Beech board. If you have one of these boards and would like - to use the flash chips on it, say 'Y'. - -config MTD_ARCTIC - tristate "CFI Flash device mapped on IBM 405LP Arctic" - depends on MTD_CFI && ARCTIC2 - help - This enables access routines for the flash chips on the IBM 405LP - Arctic board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - config MTD_WALNUT tristate "Flash device mapped on IBM 405GP Walnut" depends on MTD_JEDECPROBE && WALNUT diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index de036c5e6139..3acbb5d01ca4 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -58,8 +58,6 @@ obj-$(CONFIG_MTD_NETtel) += nettel.o obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o obj-$(CONFIG_MTD_EBONY) += ebony.o obj-$(CONFIG_MTD_OCOTEA) += ocotea.o -obj-$(CONFIG_MTD_BEECH) += beech-mtd.o -obj-$(CONFIG_MTD_ARCTIC) += arctic-mtd.o obj-$(CONFIG_MTD_WALNUT) += walnut.o obj-$(CONFIG_MTD_H720X) += h720x-flash.o obj-$(CONFIG_MTD_SBC8240) += sbc8240.o diff --git a/drivers/mtd/maps/arctic-mtd.c b/drivers/mtd/maps/arctic-mtd.c deleted file mode 100644 index 2cc902436275..000000000000 --- a/drivers/mtd/maps/arctic-mtd.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * $Id: arctic-mtd.c,v 1.14 2005/11/07 11:14:26 gleixner Exp $ - * - * drivers/mtd/maps/arctic-mtd.c MTD mappings and partition tables for - * IBM 405LP Arctic boards. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Copyright (C) 2002, International Business Machines Corporation - * All Rights Reserved. - * - * Bishop Brock - * IBM Research, Austin Center for Low-Power Computing - * bcbrock@us.ibm.com - * March 2002 - * - * modified for Arctic by, - * David Gibson - * IBM OzLabs, Canberra, Australia - * <arctic@gibson.dropbear.id.au> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/init.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> -#include <asm/ibm4xx.h> - -/* - * 0 : 0xFE00 0000 - 0xFEFF FFFF : Filesystem 1 (16MiB) - * 1 : 0xFF00 0000 - 0xFF4F FFFF : kernel (5.12MiB) - * 2 : 0xFF50 0000 - 0xFFF5 FFFF : Filesystem 2 (10.624MiB) (if non-XIP) - * 3 : 0xFFF6 0000 - 0xFFFF FFFF : PIBS Firmware (640KiB) - */ - -#define FFS1_SIZE 0x01000000 /* 16MiB */ -#define KERNEL_SIZE 0x00500000 /* 5.12MiB */ -#define FFS2_SIZE 0x00a60000 /* 10.624MiB */ -#define FIRMWARE_SIZE 0x000a0000 /* 640KiB */ - - -#define NAME "Arctic Linux Flash" -#define PADDR SUBZERO_BOOTFLASH_PADDR -#define BUSWIDTH 2 -#define SIZE SUBZERO_BOOTFLASH_SIZE -#define PARTITIONS 4 - -/* Flash memories on these boards are memory resources, accessed big-endian. */ - -{ - /* do nothing for now */ -} - -static struct map_info arctic_mtd_map = { - .name = NAME, - .size = SIZE, - .bankwidth = BUSWIDTH, - .phys = PADDR, -}; - -static struct mtd_info *arctic_mtd; - -static struct mtd_partition arctic_partitions[PARTITIONS] = { - { .name = "Filesystem", - .size = FFS1_SIZE, - .offset = 0,}, - { .name = "Kernel", - .size = KERNEL_SIZE, - .offset = FFS1_SIZE,}, - { .name = "Filesystem", - .size = FFS2_SIZE, - .offset = FFS1_SIZE + KERNEL_SIZE,}, - { .name = "Firmware", - .size = FIRMWARE_SIZE, - .offset = SUBZERO_BOOTFLASH_SIZE - FIRMWARE_SIZE,}, -}; - -static int __init -init_arctic_mtd(void) -{ - int err; - - printk("%s: 0x%08x at 0x%08x\n", NAME, SIZE, PADDR); - - arctic_mtd_map.virt = ioremap(PADDR, SIZE); - - if (!arctic_mtd_map.virt) { - printk("%s: failed to ioremap 0x%x\n", NAME, PADDR); - return -EIO; - } - simple_map_init(&arctic_mtd_map); - - printk("%s: probing %d-bit flash bus\n", NAME, BUSWIDTH * 8); - arctic_mtd = do_map_probe("cfi_probe", &arctic_mtd_map); - - if (!arctic_mtd) { - iounmap(arctic_mtd_map.virt); - return -ENXIO; - } - - arctic_mtd->owner = THIS_MODULE; - - err = add_mtd_partitions(arctic_mtd, arctic_partitions, PARTITIONS); - if (err) { - printk("%s: add_mtd_partitions failed\n", NAME); - iounmap(arctic_mtd_map.virt); - } - - return err; -} - -static void __exit -cleanup_arctic_mtd(void) -{ - if (arctic_mtd) { - del_mtd_partitions(arctic_mtd); - map_destroy(arctic_mtd); - iounmap((void *) arctic_mtd_map.virt); - } -} - -module_init(init_arctic_mtd); -module_exit(cleanup_arctic_mtd); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("David Gibson <arctic@gibson.dropbear.id.au>"); -MODULE_DESCRIPTION("MTD map and partitions for IBM 405LP Arctic boards"); diff --git a/drivers/mtd/maps/beech-mtd.c b/drivers/mtd/maps/beech-mtd.c deleted file mode 100644 index d76d5981b863..000000000000 --- a/drivers/mtd/maps/beech-mtd.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * $Id: beech-mtd.c,v 1.11 2005/11/07 11:14:26 gleixner Exp $ - * - * drivers/mtd/maps/beech-mtd.c MTD mappings and partition tables for - * IBM 405LP Beech boards. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Copyright (C) 2002, International Business Machines Corporation - * All Rights Reserved. - * - * Bishop Brock - * IBM Research, Austin Center for Low-Power Computing - * bcbrock@us.ibm.com - * March 2002 - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/init.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> -#include <asm/ibm4xx.h> - -#define NAME "Beech Linux Flash" -#define PADDR BEECH_BIGFLASH_PADDR -#define SIZE BEECH_BIGFLASH_SIZE -#define BUSWIDTH 1 - -/* Flash memories on these boards are memory resources, accessed big-endian. */ - - -static struct map_info beech_mtd_map = { - .name = NAME, - .size = SIZE, - .bankwidth = BUSWIDTH, - .phys = PADDR -}; - -static struct mtd_info *beech_mtd; - -static struct mtd_partition beech_partitions[2] = { - { - .name = "Linux Kernel", - .size = BEECH_KERNEL_SIZE, - .offset = BEECH_KERNEL_OFFSET - }, { - .name = "Free Area", - .size = BEECH_FREE_AREA_SIZE, - .offset = BEECH_FREE_AREA_OFFSET - } -}; - -static int __init -init_beech_mtd(void) -{ - int err; - - printk("%s: 0x%08x at 0x%08x\n", NAME, SIZE, PADDR); - - beech_mtd_map.virt = ioremap(PADDR, SIZE); - - if (!beech_mtd_map.virt) { - printk("%s: failed to ioremap 0x%x\n", NAME, PADDR); - return -EIO; - } - - simple_map_init(&beech_mtd_map); - - printk("%s: probing %d-bit flash bus\n", NAME, BUSWIDTH * 8); - beech_mtd = do_map_probe("cfi_probe", &beech_mtd_map); - - if (!beech_mtd) { - iounmap(beech_mtd_map.virt); - return -ENXIO; - } - - beech_mtd->owner = THIS_MODULE; - - err = add_mtd_partitions(beech_mtd, beech_partitions, 2); - if (err) { - printk("%s: add_mtd_partitions failed\n", NAME); - iounmap(beech_mtd_map.virt); - } - - return err; -} - -static void __exit -cleanup_beech_mtd(void) -{ - if (beech_mtd) { - del_mtd_partitions(beech_mtd); - map_destroy(beech_mtd); - iounmap((void *) beech_mtd_map.virt); - } -} - -module_init(init_beech_mtd); -module_exit(cleanup_beech_mtd); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Bishop Brock <bcbrock@us.ibm.com>"); -MODULE_DESCRIPTION("MTD map and partitions for IBM 405LP Beech boards"); diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c index 9f53c655af3a..7b96cd02f82b 100644 --- a/drivers/mtd/maps/nettel.c +++ b/drivers/mtd/maps/nettel.c @@ -358,7 +358,7 @@ int __init nettel_init(void) /* Turn other PAR off so the first probe doesn't find it */ *intel1par = 0; - /* Probe for the the size of the first Intel flash */ + /* Probe for the size of the first Intel flash */ nettel_intel_map.size = maxsize; nettel_intel_map.phys = intel0addr; nettel_intel_map.virt = ioremap_nocache(intel0addr, maxsize); diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index 72107dc06d67..bbb42c35b69b 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -186,7 +186,7 @@ static int __devinit of_physmap_probe(struct of_device *dev, const struct of_dev else { if (strcmp(of_probe, "ROM")) dev_dbg(&dev->dev, "map_probe: don't know probe type " - "'%s', mapping as rom\n"); + "'%s', mapping as rom\n", of_probe); info->mtd = do_map_probe("mtd_rom", &info->map); } if (info->mtd == NULL) { diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 1af989023c66..9c6236852942 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -347,7 +347,6 @@ int add_mtd_partitions(struct mtd_info *master, slave->mtd.subpage_sft = master->subpage_sft; slave->mtd.name = parts[i].name; - slave->mtd.bank_size = master->bank_size; slave->mtd.owner = master->owner; slave->mtd.read = part_read; diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index d05873b8c155..f1d60b6f048e 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -232,11 +232,13 @@ config MTD_NAND_BASLER_EXCITE will be named "excite_nandflash.ko". config MTD_NAND_CAFE - tristate "NAND support for OLPC CAFÉ chip" - depends on PCI - help - Use NAND flash attached to the CAFÉ chip designed for the $100 - laptop. + tristate "NAND support for OLPC CAFÉ chip" + depends on PCI + select REED_SOLOMON + select REED_SOLOMON_DEC16 + help + Use NAND flash attached to the CAFÉ chip designed for the $100 + laptop. config MTD_NAND_CS553X tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)" @@ -270,4 +272,13 @@ config MTD_NAND_NANDSIM The simulator may simulate various NAND flash chips for the MTD nand layer. +config MTD_NAND_PLATFORM + tristate "Support for generic platform NAND driver" + depends on MTD_NAND + help + This implements a generic NAND driver for on-SOC platform + devices. You will need to provide platform-specific functions + via platform_data. + + endif # MTD_NAND diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index 6872031a3fb2..edba1db14bfa 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -26,6 +26,6 @@ obj-$(CONFIG_MTD_NAND_NDFC) += ndfc.o obj-$(CONFIG_MTD_NAND_AT91) += at91_nand.o obj-$(CONFIG_MTD_NAND_CM_X270) += cmx270_nand.o obj-$(CONFIG_MTD_NAND_BASLER_EXCITE) += excite_nandflash.o +obj-$(CONFIG_MTD_NAND_PLATFORM) += plat_nand.o nand-objs := nand_base.o nand_bbt.o -cafe_nand-objs := cafe.o cafe_ecc.o diff --git a/drivers/mtd/nand/at91_nand.c b/drivers/mtd/nand/at91_nand.c index 14b80cc90a7b..512e999177f7 100644 --- a/drivers/mtd/nand/at91_nand.c +++ b/drivers/mtd/nand/at91_nand.c @@ -82,6 +82,10 @@ static void at91_nand_disable(struct at91_nand_host *host) at91_set_gpio_value(host->board->enable_pin, 1); } +#ifdef CONFIG_MTD_PARTITIONS +const char *part_probes[] = { "cmdlinepart", NULL }; +#endif + /* * Probe for the NAND device. */ @@ -151,6 +155,12 @@ static int __init at91_nand_probe(struct platform_device *pdev) #ifdef CONFIG_MTD_PARTITIONS if (host->board->partition_info) partitions = host->board->partition_info(mtd->size, &num_partitions); +#ifdef CONFIG_MTD_CMDLINE_PARTS + else { + mtd->name = "at91_nand"; + num_partitions = parse_mtd_partitions(mtd, part_probes, &partitions, 0); + } +#endif if ((!partitions) || (num_partitions == 0)) { printk(KERN_ERR "at91_nand: No parititions defined, or unsupported device.\n"); diff --git a/drivers/mtd/nand/cafe_ecc.c b/drivers/mtd/nand/cafe_ecc.c deleted file mode 100644 index ea5c8491d2c5..000000000000 --- a/drivers/mtd/nand/cafe_ecc.c +++ /dev/null @@ -1,1381 +0,0 @@ -/* Error correction for CAFÉ NAND controller - * - * © 2006 Marvell, Inc. - * Author: Tom Chiou - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/errno.h> - -static unsigned short gf4096_mul(unsigned short, unsigned short); -static unsigned short gf64_mul(unsigned short, unsigned short); -static unsigned short gf4096_inv(unsigned short); -static unsigned short err_pos(unsigned short); -static void find_4bit_err_coefs(unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short, unsigned short *); -static void zero_4x5_col3(unsigned short[4][5]); -static void zero_4x5_col2(unsigned short[4][5]); -static void zero_4x5_col1(unsigned short[4][5]); -static void swap_4x5_rows(unsigned short[4][5], int, int, int); -static void swap_2x3_rows(unsigned short m[2][3]); -static void solve_4x5(unsigned short m[4][5], unsigned short *, int *); -static void sort_coefs(int *, unsigned short *, int); -static void find_4bit_err_pats(unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short, unsigned short *); -static void find_3bit_err_coefs(unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short, unsigned short, - unsigned short *); -static void zero_3x4_col2(unsigned short[3][4]); -static void zero_3x4_col1(unsigned short[3][4]); -static void swap_3x4_rows(unsigned short[3][4], int, int, int); -static void solve_3x4(unsigned short[3][4], unsigned short *, int *); -static void find_3bit_err_pats(unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short, unsigned short, - unsigned short *); - -static void find_2bit_err_pats(unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short *); -static void find_2x2_soln(unsigned short, unsigned short, unsigned short, - unsigned short, unsigned short, unsigned short, - unsigned short *); -static void solve_2x3(unsigned short[2][3], unsigned short *); -static int chk_no_err_only(unsigned short *, unsigned short *); -static int chk_1_err_only(unsigned short *, unsigned short *); -static int chk_2_err_only(unsigned short *, unsigned short *); -static int chk_3_err_only(unsigned short *, unsigned short *); -static int chk_4_err_only(unsigned short *, unsigned short *); - -static unsigned short gf64_mul(unsigned short a, unsigned short b) -{ - unsigned short tmp1, tmp2, tmp3, tmp4, tmp5; - unsigned short c_bit0, c_bit1, c_bit2, c_bit3, c_bit4, c_bit5, c; - - tmp1 = ((a) ^ (a >> 5)); - tmp2 = ((a >> 4) ^ (a >> 5)); - tmp3 = ((a >> 3) ^ (a >> 4)); - tmp4 = ((a >> 2) ^ (a >> 3)); - tmp5 = ((a >> 1) ^ (a >> 2)); - - c_bit0 = ((a & b) ^ ((a >> 5) & (b >> 1)) ^ ((a >> 4) & (b >> 2)) ^ - ((a >> 3) & (b >> 3)) ^ ((a >> 2) & (b >> 4)) ^ ((a >> 1) & (b >> 5))) & 0x1; - - c_bit1 = (((a >> 1) & b) ^ (tmp1 & (b >> 1)) ^ (tmp2 & (b >> 2)) ^ - (tmp3 & (b >> 3)) ^ (tmp4 & (b >> 4)) ^ (tmp5 & (b >> 5))) & 0x1; - - c_bit2 = (((a >> 2) & b) ^ ((a >> 1) & (b >> 1)) ^ (tmp1 & (b >> 2)) ^ - (tmp2 & (b >> 3)) ^ (tmp3 & (b >> 4)) ^ (tmp4 & (b >> 5))) & 0x1; - - c_bit3 = (((a >> 3) & b) ^ ((a >> 2) & (b >> 1)) ^ ((a >> 1) & (b >> 2)) ^ - (tmp1 & (b >> 3)) ^ (tmp2 & (b >> 4)) ^ (tmp3 & (b >> 5))) & 0x1; - - c_bit4 = (((a >> 4) & b) ^ ((a >> 3) & (b >> 1)) ^ ((a >> 2) & (b >> 2)) ^ - ((a >> 1) & (b >> 3)) ^ (tmp1 & (b >> 4)) ^ (tmp2 & (b >> 5))) & 0x1; - - c_bit5 = (((a >> 5) & b) ^ ((a >> 4) & (b >> 1)) ^ ((a >> 3) & (b >> 2)) ^ - ((a >> 2) & (b >> 3)) ^ ((a >> 1) & (b >> 4)) ^ (tmp1 & (b >> 5))) & 0x1; - - c = c_bit0 | (c_bit1 << 1) | (c_bit2 << 2) | (c_bit3 << 3) | (c_bit4 << 4) | (c_bit5 << 5); - - return c; -} - -static unsigned short gf4096_mul(unsigned short a, unsigned short b) -{ - unsigned short ah, al, bh, bl, alxah, blxbh, ablh, albl, ahbh, ahbhB, c; - - ah = (a >> 6) & 0x3f; - al = a & 0x3f; - bh = (b >> 6) & 0x3f; - bl = b & 0x3f; - alxah = al ^ ah; - blxbh = bl ^ bh; - - ablh = gf64_mul(alxah, blxbh); - albl = gf64_mul(al, bl); - ahbh = gf64_mul(ah, bh); - - ahbhB = ((ahbh & 0x1) << 5) | - ((ahbh & 0x20) >> 1) | - ((ahbh & 0x10) >> 1) | ((ahbh & 0x8) >> 1) | ((ahbh & 0x4) >> 1) | (((ahbh >> 1) ^ ahbh) & 0x1); - - c = ((ablh ^ albl) << 6) | (ahbhB ^ albl); - return c; -} - -static void find_2bit_err_pats(unsigned short s0, unsigned short s1, unsigned short r0, unsigned short r1, unsigned short *pats) -{ - find_2x2_soln(0x1, 0x1, r0, r1, s0, s1, pats); -} - -static void find_3bit_err_coefs(unsigned short s0, unsigned short s1, - unsigned short s2, unsigned short s3, unsigned short s4, unsigned short s5, unsigned short *coefs) -{ - unsigned short m[3][4]; - int row_order[3]; - - row_order[0] = 0; - row_order[1] = 1; - row_order[2] = 2; - m[0][0] = s2; - m[0][1] = s1; - m[0][2] = s0; - m[0][3] = s3; - m[1][0] = s3; - m[1][1] = s2; - m[1][2] = s1; - m[1][3] = s4; - m[2][0] = s4; - m[2][1] = s3; - m[2][2] = s2; - m[2][3] = s5; - - if (m[0][2] != 0x0) { - zero_3x4_col2(m); - } else if (m[1][2] != 0x0) { - swap_3x4_rows(m, 0, 1, 4); - zero_3x4_col2(m); - } else if (m[2][2] != 0x0) { - swap_3x4_rows(m, 0, 2, 4); - zero_3x4_col2(m); - } else { - printk(KERN_ERR "Error: find_3bit_err_coefs, s0,s1,s2 all zeros!\n"); - } - - if (m[1][1] != 0x0) { - zero_3x4_col1(m); - } else if (m[2][1] != 0x0) { - swap_3x4_rows(m, 1, 2, 4); - zero_3x4_col1(m); - } else { - printk(KERN_ERR "Error: find_3bit_err_coefs, cannot resolve col 1!\n"); - } - - /* solve coefs */ - solve_3x4(m, coefs, row_order); -} - -static void zero_3x4_col2(unsigned short m[3][4]) -{ - unsigned short minv1, minv2; - - minv1 = gf4096_mul(m[1][2], gf4096_inv(m[0][2])); - minv2 = gf4096_mul(m[2][2], gf4096_inv(m[0][2])); - m[1][0] = m[1][0] ^ gf4096_mul(m[0][0], minv1); - m[1][1] = m[1][1] ^ gf4096_mul(m[0][1], minv1); - m[1][3] = m[1][3] ^ gf4096_mul(m[0][3], minv1); - m[2][0] = m[2][0] ^ gf4096_mul(m[0][0], minv2); - m[2][1] = m[2][1] ^ gf4096_mul(m[0][1], minv2); - m[2][3] = m[2][3] ^ gf4096_mul(m[0][3], minv2); -} - -static void zero_3x4_col1(unsigned short m[3][4]) -{ - unsigned short minv; - minv = gf4096_mul(m[2][1], gf4096_inv(m[1][1])); - m[2][0] = m[2][0] ^ gf4096_mul(m[1][0], minv); - m[2][3] = m[2][3] ^ gf4096_mul(m[1][3], minv); -} - -static void swap_3x4_rows(unsigned short m[3][4], int i, int j, int col_width) -{ - unsigned short tmp0; - int cnt; - for (cnt = 0; cnt < col_width; cnt++) { - tmp0 = m[i][cnt]; - m[i][cnt] = m[j][cnt]; - m[j][cnt] = tmp0; - } -} - -static void solve_3x4(unsigned short m[3][4], unsigned short *coefs, int *row_order) -{ - unsigned short tmp[3]; - tmp[0] = gf4096_mul(m[2][3], gf4096_inv(m[2][0])); - tmp[1] = gf4096_mul((gf4096_mul(tmp[0], m[1][0]) ^ m[1][3]), gf4096_inv(m[1][1])); - tmp[2] = gf4096_mul((gf4096_mul(tmp[0], m[0][0]) ^ gf4096_mul(tmp[1], m[0][1]) ^ m[0][3]), gf4096_inv(m[0][2])); - sort_coefs(row_order, tmp, 3); - coefs[0] = tmp[0]; - coefs[1] = tmp[1]; - coefs[2] = tmp[2]; -} - -static void find_3bit_err_pats(unsigned short s0, unsigned short s1, - unsigned short s2, unsigned short r0, - unsigned short r1, unsigned short r2, - unsigned short *pats) -{ - find_2x2_soln(r0 ^ r2, r1 ^ r2, - gf4096_mul(r0, r0 ^ r2), gf4096_mul(r1, r1 ^ r2), - gf4096_mul(s0, r2) ^ s1, gf4096_mul(s1, r2) ^ s2, pats); - pats[2] = s0 ^ pats[0] ^ pats[1]; -} - -static void find_4bit_err_coefs(unsigned short s0, unsigned short s1, - unsigned short s2, unsigned short s3, - unsigned short s4, unsigned short s5, - unsigned short s6, unsigned short s7, - unsigned short *coefs) -{ - unsigned short m[4][5]; - int row_order[4]; - - row_order[0] = 0; - row_order[1] = 1; - row_order[2] = 2; - row_order[3] = 3; - - m[0][0] = s3; - m[0][1] = s2; - m[0][2] = s1; - m[0][3] = s0; - m[0][4] = s4; - m[1][0] = s4; - m[1][1] = s3; - m[1][2] = s2; - m[1][3] = s1; - m[1][4] = s5; - m[2][0] = s5; - m[2][1] = s4; - m[2][2] = s3; - m[2][3] = s2; - m[2][4] = s6; - m[3][0] = s6; - m[3][1] = s5; - m[3][2] = s4; - m[3][3] = s3; - m[3][4] = s7; - - if (m[0][3] != 0x0) { - zero_4x5_col3(m); - } else if (m[1][3] != 0x0) { - swap_4x5_rows(m, 0, 1, 5); - zero_4x5_col3(m); - } else if (m[2][3] != 0x0) { - swap_4x5_rows(m, 0, 2, 5); - zero_4x5_col3(m); - } else if (m[3][3] != 0x0) { - swap_4x5_rows(m, 0, 3, 5); - zero_4x5_col3(m); - } else { - printk(KERN_ERR "Error: find_4bit_err_coefs, s0,s1,s2,s3 all zeros!\n"); - } - - if (m[1][2] != 0x0) { - zero_4x5_col2(m); - } else if (m[2][2] != 0x0) { - swap_4x5_rows(m, 1, 2, 5); - zero_4x5_col2(m); - } else if (m[3][2] != 0x0) { - swap_4x5_rows(m, 1, 3, 5); - zero_4x5_col2(m); - } else { - printk(KERN_ERR "Error: find_4bit_err_coefs, cannot resolve col 2!\n"); - } - - if (m[2][1] != 0x0) { - zero_4x5_col1(m); - } else if (m[3][1] != 0x0) { - swap_4x5_rows(m, 2, 3, 5); - zero_4x5_col1(m); - } else { - printk(KERN_ERR "Error: find_4bit_err_coefs, cannot resolve col 1!\n"); - } - - solve_4x5(m, coefs, row_order); -} - -static void zero_4x5_col3(unsigned short m[4][5]) -{ - unsigned short minv1, minv2, minv3; - - minv1 = gf4096_mul(m[1][3], gf4096_inv(m[0][3])); - minv2 = gf4096_mul(m[2][3], gf4096_inv(m[0][3])); - minv3 = gf4096_mul(m[3][3], gf4096_inv(m[0][3])); - - m[1][0] = m[1][0] ^ gf4096_mul(m[0][0], minv1); - m[1][1] = m[1][1] ^ gf4096_mul(m[0][1], minv1); - m[1][2] = m[1][2] ^ gf4096_mul(m[0][2], minv1); - m[1][4] = m[1][4] ^ gf4096_mul(m[0][4], minv1); - m[2][0] = m[2][0] ^ gf4096_mul(m[0][0], minv2); - m[2][1] = m[2][1] ^ gf4096_mul(m[0][1], minv2); - m[2][2] = m[2][2] ^ gf4096_mul(m[0][2], minv2); - m[2][4] = m[2][4] ^ gf4096_mul(m[0][4], minv2); - m[3][0] = m[3][0] ^ gf4096_mul(m[0][0], minv3); - m[3][1] = m[3][1] ^ gf4096_mul(m[0][1], minv3); - m[3][2] = m[3][2] ^ gf4096_mul(m[0][2], minv3); - m[3][4] = m[3][4] ^ gf4096_mul(m[0][4], minv3); -} - -static void zero_4x5_col2(unsigned short m[4][5]) -{ - unsigned short minv2, minv3; - - minv2 = gf4096_mul(m[2][2], gf4096_inv(m[1][2])); - minv3 = gf4096_mul(m[3][2], gf4096_inv(m[1][2])); - - m[2][0] = m[2][0] ^ gf4096_mul(m[1][0], minv2); - m[2][1] = m[2][1] ^ gf4096_mul(m[1][1], minv2); - m[2][4] = m[2][4] ^ gf4096_mul(m[1][4], minv2); - m[3][0] = m[3][0] ^ gf4096_mul(m[1][0], minv3); - m[3][1] = m[3][1] ^ gf4096_mul(m[1][1], minv3); - m[3][4] = m[3][4] ^ gf4096_mul(m[1][4], minv3); -} - -static void zero_4x5_col1(unsigned short m[4][5]) -{ - unsigned short minv; - - minv = gf4096_mul(m[3][1], gf4096_inv(m[2][1])); - - m[3][0] = m[3][0] ^ gf4096_mul(m[2][0], minv); - m[3][4] = m[3][4] ^ gf4096_mul(m[2][4], minv); -} - -static void swap_4x5_rows(unsigned short m[4][5], int i, int j, int col_width) -{ - unsigned short tmp0; - int cnt; - - for (cnt = 0; cnt < col_width; cnt++) { - tmp0 = m[i][cnt]; - m[i][cnt] = m[j][cnt]; - m[j][cnt] = tmp0; - } -} - -static void solve_4x5(unsigned short m[4][5], unsigned short *coefs, int *row_order) -{ - unsigned short tmp[4]; - - tmp[0] = gf4096_mul(m[3][4], gf4096_inv(m[3][0])); - tmp[1] = gf4096_mul((gf4096_mul(tmp[0], m[2][0]) ^ m[2][4]), gf4096_inv(m[2][1])); - tmp[2] = gf4096_mul((gf4096_mul(tmp[0], m[1][0]) ^ gf4096_mul(tmp[1], m[1][1]) ^ m[1][4]), gf4096_inv(m[1][2])); - tmp[3] = gf4096_mul((gf4096_mul(tmp[0], m[0][0]) ^ - gf4096_mul(tmp[1], m[0][1]) ^ gf4096_mul(tmp[2], m[0][2]) ^ m[0][4]), gf4096_inv(m[0][3])); - sort_coefs(row_order, tmp, 4); - coefs[0] = tmp[0]; - coefs[1] = tmp[1]; - coefs[2] = tmp[2]; - coefs[3] = tmp[3]; -} - -static void sort_coefs(int *order, unsigned short *soln, int len) -{ - int cnt, start_cnt, least_ord, least_cnt; - unsigned short tmp0; - for (start_cnt = 0; start_cnt < len; start_cnt++) { - for (cnt = start_cnt; cnt < len; cnt++) { - if (cnt == start_cnt) { - least_ord = order[cnt]; - least_cnt = start_cnt; - } else { - if (least_ord > order[cnt]) { - least_ord = order[cnt]; - least_cnt = cnt; - } - } - } - if (least_cnt != start_cnt) { - tmp0 = order[least_cnt]; - order[least_cnt] = order[start_cnt]; - order[start_cnt] = tmp0; - tmp0 = soln[least_cnt]; - soln[least_cnt] = soln[start_cnt]; - soln[start_cnt] = tmp0; - } - } -} - -static void find_4bit_err_pats(unsigned short s0, unsigned short s1, - unsigned short s2, unsigned short s3, - unsigned short z1, unsigned short z2, - unsigned short z3, unsigned short z4, - unsigned short *pats) -{ - unsigned short z4_z1, z3z4_z3z3, z4_z2, s0z4_s1, z1z4_z1z1, - z4_z3, z2z4_z2z2, s1z4_s2, z3z3z4_z3z3z3, z1z1z4_z1z1z1, z2z2z4_z2z2z2, s2z4_s3; - unsigned short tmp0, tmp1, tmp2, tmp3; - - z4_z1 = z4 ^ z1; - z3z4_z3z3 = gf4096_mul(z3, z4) ^ gf4096_mul(z3, z3); - z4_z2 = z4 ^ z2; - s0z4_s1 = gf4096_mul(s0, z4) ^ s1; - z1z4_z1z1 = gf4096_mul(z1, z4) ^ gf4096_mul(z1, z1); - z4_z3 = z4 ^ z3; - z2z4_z2z2 = gf4096_mul(z2, z4) ^ gf4096_mul(z2, z2); - s1z4_s2 = gf4096_mul(s1, z4) ^ s2; - z3z3z4_z3z3z3 = gf4096_mul(gf4096_mul(z3, z3), z4) ^ gf4096_mul(gf4096_mul(z3, z3), z3); - z1z1z4_z1z1z1 = gf4096_mul(gf4096_mul(z1, z1), z4) ^ gf4096_mul(gf4096_mul(z1, z1), z1); - z2z2z4_z2z2z2 = gf4096_mul(gf4096_mul(z2, z2), z4) ^ gf4096_mul(gf4096_mul(z2, z2), z2); - s2z4_s3 = gf4096_mul(s2, z4) ^ s3; - - //find err pat 0,1 - find_2x2_soln(gf4096_mul(z4_z1, z3z4_z3z3) ^ - gf4096_mul(z1z4_z1z1, z4_z3), gf4096_mul(z4_z2, - z3z4_z3z3) ^ - gf4096_mul(z2z4_z2z2, z4_z3), gf4096_mul(z1z4_z1z1, - z3z3z4_z3z3z3) ^ - gf4096_mul(z1z1z4_z1z1z1, z3z4_z3z3), - gf4096_mul(z2z4_z2z2, - z3z3z4_z3z3z3) ^ gf4096_mul(z2z2z4_z2z2z2, - z3z4_z3z3), - gf4096_mul(s0z4_s1, z3z4_z3z3) ^ gf4096_mul(s1z4_s2, - z4_z3), - gf4096_mul(s1z4_s2, z3z3z4_z3z3z3) ^ gf4096_mul(s2z4_s3, z3z4_z3z3), pats); - tmp0 = pats[0]; - tmp1 = pats[1]; - tmp2 = pats[0] ^ pats[1] ^ s0; - tmp3 = gf4096_mul(pats[0], z1) ^ gf4096_mul(pats[1], z2) ^ s1; - - //find err pat 2,3 - find_2x2_soln(0x1, 0x1, z3, z4, tmp2, tmp3, pats); - pats[2] = pats[0]; - pats[3] = pats[1]; - pats[0] = tmp0; - pats[1] = tmp1; -} - -static void find_2x2_soln(unsigned short c00, unsigned short c01, - unsigned short c10, unsigned short c11, - unsigned short lval0, unsigned short lval1, - unsigned short *soln) -{ - unsigned short m[2][3]; - m[0][0] = c00; - m[0][1] = c01; - m[0][2] = lval0; - m[1][0] = c10; - m[1][1] = c11; - m[1][2] = lval1; - - if (m[0][1] != 0x0) { - /* */ - } else if (m[1][1] != 0x0) { - swap_2x3_rows(m); - } else { - printk(KERN_ERR "Warning: find_2bit_err_coefs, s0,s1 all zeros!\n"); - } - - solve_2x3(m, soln); -} - -static void swap_2x3_rows(unsigned short m[2][3]) -{ - unsigned short tmp0; - int cnt; - - for (cnt = 0; cnt < 3; cnt++) { - tmp0 = m[0][cnt]; - m[0][cnt] = m[1][cnt]; - m[1][cnt] = tmp0; - } -} - -static void solve_2x3(unsigned short m[2][3], unsigned short *coefs) -{ - unsigned short minv; - - minv = gf4096_mul(m[1][1], gf4096_inv(m[0][1])); - m[1][0] = m[1][0] ^ gf4096_mul(m[0][0], minv); - m[1][2] = m[1][2] ^ gf4096_mul(m[0][2], minv); - coefs[0] = gf4096_mul(m[1][2], gf4096_inv(m[1][0])); - coefs[1] = gf4096_mul((gf4096_mul(coefs[0], m[0][0]) ^ m[0][2]), gf4096_inv(m[0][1])); -} - -static unsigned char gf64_inv[64] = { - 0, 1, 33, 62, 49, 43, 31, 44, 57, 37, 52, 28, 46, 40, 22, 25, - 61, 54, 51, 39, 26, 35, 14, 24, 23, 15, 20, 34, 11, 53, 45, 6, - 63, 2, 27, 21, 56, 9, 50, 19, 13, 47, 48, 5, 7, 30, 12, 41, - 42, 4, 38, 18, 10, 29, 17, 60, 36, 8, 59, 58, 55, 16, 3, 32 -}; - -static unsigned short gf4096_inv(unsigned short din) -{ - unsigned short alahxal, ah2B, deno, inv, bl, bh; - unsigned short ah, al, ahxal; - unsigned short dout; - - ah = (din >> 6) & 0x3f; - al = din & 0x3f; - ahxal = ah ^ al; - ah2B = (((ah ^ (ah >> 3)) & 0x1) << 5) | - ((ah >> 1) & 0x10) | - ((((ah >> 5) ^ (ah >> 2)) & 0x1) << 3) | - ((ah >> 2) & 0x4) | ((((ah >> 4) ^ (ah >> 1)) & 0x1) << 1) | (ah & 0x1); - alahxal = gf64_mul(ahxal, al); - deno = alahxal ^ ah2B; - inv = gf64_inv[deno]; - bl = gf64_mul(inv, ahxal); - bh = gf64_mul(inv, ah); - dout = ((bh & 0x3f) << 6) | (bl & 0x3f); - return (((bh & 0x3f) << 6) | (bl & 0x3f)); -} - -static unsigned short err_pos_lut[4096] = { - 0xfff, 0x000, 0x451, 0xfff, 0xfff, 0x3cf, 0xfff, 0x041, - 0xfff, 0xfff, 0xfff, 0xfff, 0x28a, 0xfff, 0x492, 0xfff, - 0x145, 0xfff, 0xfff, 0x514, 0xfff, 0x082, 0xfff, 0xfff, - 0xfff, 0x249, 0x38e, 0x410, 0xfff, 0x104, 0x208, 0x1c7, - 0xfff, 0xfff, 0xfff, 0xfff, 0x2cb, 0xfff, 0xfff, 0xfff, - 0x0c3, 0x34d, 0x4d3, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x186, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x30c, 0x555, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x166, 0xfff, 0xfff, 0xfff, 0xfff, - 0x385, 0x14e, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4e1, - 0xfff, 0xfff, 0xfff, 0xfff, 0x538, 0xfff, 0x16d, 0xfff, - 0xfff, 0xfff, 0x45b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x29c, 0x2cc, 0x30b, 0x2b3, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x0b3, 0xfff, 0x2f7, - 0xfff, 0x32b, 0xfff, 0xfff, 0xfff, 0xfff, 0x0a7, 0xfff, - 0xfff, 0x2da, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x07e, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x11c, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x22f, 0xfff, 0x1f4, 0xfff, 0xfff, - 0x2b0, 0x504, 0xfff, 0x114, 0xfff, 0xfff, 0xfff, 0x21d, - 0xfff, 0xfff, 0xfff, 0xfff, 0x00d, 0x3c4, 0x340, 0x10f, - 0xfff, 0xfff, 0x266, 0x02e, 0xfff, 0xfff, 0xfff, 0x4f8, - 0x337, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x07b, 0x168, 0xfff, 0xfff, 0x0fe, - 0xfff, 0xfff, 0x51a, 0xfff, 0x458, 0xfff, 0x36d, 0xfff, - 0xfff, 0xfff, 0xfff, 0x073, 0x37d, 0x415, 0x550, 0xfff, - 0xfff, 0xfff, 0x23b, 0x4b4, 0xfff, 0xfff, 0xfff, 0x1a1, - 0xfff, 0xfff, 0x3aa, 0xfff, 0x117, 0x04d, 0x341, 0xfff, - 0xfff, 0xfff, 0xfff, 0x518, 0x03e, 0x0f2, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x363, 0xfff, 0x0b9, 0xfff, 0xfff, - 0x241, 0xfff, 0xfff, 0x049, 0xfff, 0xfff, 0xfff, 0xfff, - 0x15f, 0x52d, 0xfff, 0xfff, 0xfff, 0x29e, 0xfff, 0xfff, - 0xfff, 0xfff, 0x4cf, 0x0fc, 0xfff, 0x36f, 0x3d3, 0xfff, - 0x228, 0xfff, 0xfff, 0x45e, 0xfff, 0xfff, 0xfff, 0xfff, - 0x238, 0xfff, 0xfff, 0xfff, 0xfff, 0x47f, 0xfff, 0xfff, - 0x43a, 0x265, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x3e8, - 0xfff, 0xfff, 0x01a, 0xfff, 0xfff, 0xfff, 0xfff, 0x21e, - 0x1fc, 0x40b, 0xfff, 0xfff, 0xfff, 0x2d0, 0x159, 0xfff, - 0xfff, 0x313, 0xfff, 0xfff, 0x05c, 0x4cc, 0xfff, 0xfff, - 0x0f6, 0x3d5, 0xfff, 0xfff, 0xfff, 0x54f, 0xfff, 0xfff, - 0xfff, 0x172, 0x1e4, 0x07c, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x53c, 0x1ad, 0x535, - 0x19b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x092, 0xfff, 0x2be, 0xfff, 0xfff, 0x482, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x0e6, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x476, 0xfff, 0x51d, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x342, 0x2b5, 0x22e, 0x09a, 0xfff, 0x08d, - 0x44f, 0x3ed, 0xfff, 0xfff, 0xfff, 0xfff, 0x3d1, 0xfff, - 0xfff, 0x543, 0xfff, 0x48f, 0xfff, 0x3d2, 0xfff, 0x0d5, - 0x113, 0x0ec, 0x427, 0xfff, 0xfff, 0xfff, 0x4c4, 0xfff, - 0xfff, 0x50a, 0xfff, 0x144, 0xfff, 0x105, 0x39f, 0x294, - 0x164, 0xfff, 0x31a, 0xfff, 0xfff, 0x49a, 0xfff, 0x130, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x1be, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x49e, 0x371, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x0e8, 0x49c, 0x0f4, 0xfff, - 0x338, 0x1a7, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x36c, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x1ae, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x31b, 0xfff, 0xfff, 0x2dd, 0x522, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2f4, - 0x3c6, 0x30d, 0xfff, 0xfff, 0xfff, 0xfff, 0x34c, 0x18f, - 0x30a, 0xfff, 0x01f, 0x079, 0xfff, 0xfff, 0x54d, 0x46b, - 0x28c, 0x37f, 0xfff, 0xfff, 0xfff, 0xfff, 0x355, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x14f, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x359, 0x3fe, 0x3c5, 0xfff, 0xfff, - 0xfff, 0xfff, 0x423, 0xfff, 0xfff, 0x34a, 0x22c, 0xfff, - 0x25a, 0xfff, 0xfff, 0x4ad, 0xfff, 0x28d, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x547, 0xfff, 0xfff, 0xfff, 0xfff, - 0x2e2, 0xfff, 0xfff, 0x1d5, 0xfff, 0x2a8, 0xfff, 0xfff, - 0x03f, 0xfff, 0xfff, 0xfff, 0xfff, 0x3eb, 0x0fa, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x55b, 0xfff, - 0x08e, 0xfff, 0x3ae, 0xfff, 0x3a4, 0xfff, 0x282, 0x158, - 0xfff, 0x382, 0xfff, 0xfff, 0x499, 0xfff, 0xfff, 0x08a, - 0xfff, 0xfff, 0xfff, 0x456, 0x3be, 0xfff, 0x1e2, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x559, 0xfff, 0x1a0, 0xfff, - 0xfff, 0x0b4, 0xfff, 0xfff, 0xfff, 0x2df, 0xfff, 0xfff, - 0xfff, 0x07f, 0x4f5, 0xfff, 0xfff, 0x27c, 0x133, 0x017, - 0xfff, 0x3fd, 0xfff, 0xfff, 0xfff, 0x44d, 0x4cd, 0x17a, - 0x0d7, 0x537, 0xfff, 0xfff, 0x353, 0xfff, 0xfff, 0x351, - 0x366, 0xfff, 0x44a, 0xfff, 0x1a6, 0xfff, 0xfff, 0xfff, - 0x291, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1e3, - 0xfff, 0xfff, 0xfff, 0xfff, 0x389, 0xfff, 0x07a, 0xfff, - 0x1b6, 0x2ed, 0xfff, 0xfff, 0xfff, 0xfff, 0x24e, 0x074, - 0xfff, 0xfff, 0x3dc, 0xfff, 0x4e3, 0xfff, 0xfff, 0xfff, - 0xfff, 0x4eb, 0xfff, 0xfff, 0x3b8, 0x4de, 0xfff, 0x19c, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x262, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x076, 0x4e8, 0x3da, - 0xfff, 0x531, 0xfff, 0xfff, 0x14a, 0xfff, 0x0a2, 0x433, - 0x3df, 0x1e9, 0xfff, 0xfff, 0xfff, 0xfff, 0x3e7, 0x285, - 0x2d8, 0xfff, 0xfff, 0xfff, 0x349, 0x18d, 0x098, 0xfff, - 0x0df, 0x4bf, 0xfff, 0xfff, 0x0b2, 0xfff, 0x346, 0x24d, - 0xfff, 0xfff, 0xfff, 0x24f, 0x4fa, 0x2f9, 0xfff, 0xfff, - 0x3c9, 0xfff, 0x2b4, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x056, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x179, 0xfff, 0x0e9, 0x3f0, 0x33d, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x1fd, 0xfff, 0xfff, 0x526, 0xfff, - 0xfff, 0xfff, 0x53d, 0xfff, 0xfff, 0xfff, 0x170, 0x331, - 0xfff, 0x068, 0xfff, 0xfff, 0xfff, 0x3f7, 0xfff, 0x3d8, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x09f, 0x556, 0xfff, 0xfff, 0x02d, 0xfff, 0xfff, - 0x553, 0xfff, 0xfff, 0xfff, 0x1f0, 0xfff, 0xfff, 0x4d6, - 0x41e, 0xfff, 0xfff, 0xfff, 0xfff, 0x4d5, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x248, 0xfff, 0xfff, 0xfff, 0x0a3, - 0xfff, 0x217, 0xfff, 0xfff, 0xfff, 0x4f1, 0x209, 0xfff, - 0xfff, 0x475, 0x234, 0x52b, 0x398, 0xfff, 0x08b, 0xfff, - 0xfff, 0xfff, 0xfff, 0x2c2, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x268, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x4a3, 0xfff, 0x0aa, 0xfff, 0x1d9, 0xfff, 0xfff, - 0xfff, 0xfff, 0x155, 0xfff, 0xfff, 0xfff, 0xfff, 0x0bf, - 0x539, 0xfff, 0xfff, 0x2f1, 0x545, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x2a7, 0x06f, 0xfff, 0x378, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x25e, 0xfff, - 0xfff, 0xfff, 0xfff, 0x15d, 0x02a, 0xfff, 0xfff, 0x0bc, - 0x235, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x150, 0xfff, 0x1a9, 0xfff, 0xfff, 0xfff, 0xfff, 0x381, - 0xfff, 0x04e, 0x270, 0x13f, 0xfff, 0xfff, 0x405, 0xfff, - 0x3cd, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x2ef, 0xfff, 0x06a, 0xfff, 0xfff, 0xfff, 0x34f, - 0x212, 0xfff, 0xfff, 0x0e2, 0xfff, 0x083, 0x298, 0xfff, - 0xfff, 0xfff, 0x0c2, 0xfff, 0xfff, 0x52e, 0xfff, 0x488, - 0xfff, 0xfff, 0xfff, 0x36b, 0xfff, 0xfff, 0xfff, 0x442, - 0x091, 0xfff, 0x41c, 0xfff, 0xfff, 0x3a5, 0xfff, 0x4e6, - 0xfff, 0xfff, 0x40d, 0x31d, 0xfff, 0xfff, 0xfff, 0x4c1, - 0x053, 0xfff, 0x418, 0x13c, 0xfff, 0x350, 0xfff, 0x0ae, - 0xfff, 0xfff, 0x41f, 0xfff, 0x470, 0xfff, 0x4ca, 0xfff, - 0xfff, 0xfff, 0x02b, 0x450, 0xfff, 0x1f8, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x293, 0xfff, - 0xfff, 0xfff, 0xfff, 0x411, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x0b8, 0xfff, 0xfff, 0xfff, - 0x3e1, 0xfff, 0xfff, 0xfff, 0xfff, 0x43c, 0xfff, 0x2b2, - 0x2ab, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1ec, - 0xfff, 0xfff, 0xfff, 0x3f8, 0x034, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x11a, 0xfff, 0x541, 0x45c, 0x134, - 0x1cc, 0xfff, 0xfff, 0xfff, 0x469, 0xfff, 0xfff, 0x44b, - 0x161, 0xfff, 0xfff, 0xfff, 0x055, 0xfff, 0xfff, 0xfff, - 0xfff, 0x307, 0xfff, 0xfff, 0xfff, 0xfff, 0x2d1, 0xfff, - 0xfff, 0xfff, 0x124, 0x37b, 0x26b, 0x336, 0xfff, 0xfff, - 0x2e4, 0x3cb, 0xfff, 0xfff, 0x0f8, 0x3c8, 0xfff, 0xfff, - 0xfff, 0x461, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4b5, - 0x2cf, 0xfff, 0xfff, 0xfff, 0x20f, 0xfff, 0x35a, 0xfff, - 0x490, 0xfff, 0x185, 0xfff, 0xfff, 0xfff, 0xfff, 0x42e, - 0xfff, 0xfff, 0xfff, 0xfff, 0x54b, 0xfff, 0xfff, 0xfff, - 0x146, 0xfff, 0x412, 0xfff, 0xfff, 0xfff, 0x1ff, 0xfff, - 0xfff, 0x3e0, 0xfff, 0xfff, 0xfff, 0xfff, 0x2d5, 0xfff, - 0x4df, 0x505, 0xfff, 0x413, 0xfff, 0x1a5, 0xfff, 0x3b2, - 0xfff, 0xfff, 0xfff, 0x35b, 0xfff, 0x116, 0xfff, 0xfff, - 0x171, 0x4d0, 0xfff, 0x154, 0x12d, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x468, 0x4db, 0xfff, - 0xfff, 0x1df, 0xfff, 0xfff, 0xfff, 0xfff, 0x05a, 0xfff, - 0x0f1, 0x403, 0xfff, 0x22b, 0x2e0, 0xfff, 0xfff, 0xfff, - 0x2b7, 0x373, 0xfff, 0xfff, 0xfff, 0xfff, 0x13e, 0xfff, - 0xfff, 0xfff, 0x0d0, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x329, 0x1d2, 0x3fa, 0x047, 0xfff, 0x2f2, 0xfff, 0xfff, - 0x141, 0x0ac, 0x1d7, 0xfff, 0x07d, 0xfff, 0xfff, 0xfff, - 0x1c1, 0xfff, 0x487, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x045, 0xfff, 0xfff, 0xfff, 0xfff, - 0x288, 0x0cd, 0xfff, 0xfff, 0xfff, 0xfff, 0x226, 0x1d8, - 0xfff, 0x153, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4cb, - 0x528, 0xfff, 0xfff, 0xfff, 0x20a, 0x343, 0x3a1, 0xfff, - 0xfff, 0xfff, 0x2d7, 0x2d3, 0x1aa, 0x4c5, 0xfff, 0xfff, - 0xfff, 0x42b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x3e9, 0xfff, 0x20b, 0x260, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x37c, 0x2fd, - 0xfff, 0xfff, 0x2c8, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x31e, 0xfff, 0x335, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x135, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x35c, 0x4dd, 0x129, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x1ef, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x34e, 0xfff, 0xfff, 0xfff, 0xfff, 0x407, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x3ad, 0xfff, 0xfff, 0xfff, - 0x379, 0xfff, 0xfff, 0x1d0, 0x38d, 0xfff, 0xfff, 0x1e8, - 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0xfff, 0x0f3, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x28e, 0xfff, 0x53b, 0x420, 0x22a, 0x33a, 0xfff, 0x387, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2a3, 0xfff, 0xfff, - 0xfff, 0x428, 0x500, 0xfff, 0xfff, 0x120, 0x2c6, 0x290, - 0x2f5, 0x0e3, 0xfff, 0x0b7, 0xfff, 0x319, 0x474, 0xfff, - 0xfff, 0xfff, 0x529, 0x014, 0xfff, 0x41b, 0x40a, 0x18b, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x0d9, - 0xfff, 0x38a, 0xfff, 0xfff, 0xfff, 0xfff, 0x1ce, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x3b1, 0xfff, 0xfff, 0x05d, - 0x2c4, 0xfff, 0xfff, 0x4af, 0xfff, 0x030, 0xfff, 0xfff, - 0x203, 0xfff, 0x277, 0x256, 0xfff, 0xfff, 0xfff, 0x4f9, - 0xfff, 0x2c7, 0xfff, 0x466, 0x016, 0x1cd, 0xfff, 0x167, - 0xfff, 0xfff, 0x0c8, 0xfff, 0x43d, 0xfff, 0xfff, 0x020, - 0xfff, 0xfff, 0x232, 0x1cb, 0x1e0, 0xfff, 0xfff, 0x347, - 0xfff, 0x478, 0xfff, 0x365, 0xfff, 0xfff, 0xfff, 0xfff, - 0x358, 0xfff, 0x10b, 0xfff, 0x35d, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x452, 0x22d, 0xfff, 0xfff, 0x47d, 0xfff, - 0x2f3, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x460, 0xfff, - 0xfff, 0xfff, 0x50b, 0xfff, 0xfff, 0xfff, 0x2ec, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x4b1, 0x422, 0xfff, 0xfff, - 0xfff, 0x2d4, 0xfff, 0x239, 0xfff, 0xfff, 0xfff, 0x439, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x491, 0x075, 0xfff, 0xfff, 0xfff, 0x06c, 0xfff, - 0xfff, 0x0f9, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x139, 0xfff, 0x4f6, 0xfff, 0xfff, 0x409, 0xfff, - 0xfff, 0x15b, 0xfff, 0xfff, 0x348, 0xfff, 0xfff, 0xfff, - 0xfff, 0x4a2, 0x49d, 0xfff, 0x033, 0x175, 0xfff, 0x039, - 0xfff, 0x312, 0x40c, 0xfff, 0xfff, 0x325, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x4aa, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0x165, 0x3bc, 0x48c, 0x310, 0x096, - 0xfff, 0xfff, 0x250, 0x1a2, 0xfff, 0xfff, 0xfff, 0xfff, - 0x20d, 0x2ac, 0xfff, 0xfff, 0x39b, 0xfff, 0x377, 0xfff, - 0x512, 0x495, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x357, 0x4ea, 0xfff, 0xfff, - 0xfff, 0xfff, 0x198, 0xfff, 0xfff, 0xfff, 0x434, 0x04a, - 0xfff, 0xfff, 0xfff, 0xfff, 0x062, 0xfff, 0x1d6, 0x1c8, - 0xfff, 0x1f3, 0x281, 0xfff, 0x462, 0xfff, 0xfff, 0xfff, - 0x4b0, 0xfff, 0x207, 0xfff, 0xfff, 0xfff, 0xfff, 0x3dd, - 0xfff, 0xfff, 0x55d, 0xfff, 0x552, 0x494, 0x1af, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x227, 0xfff, 0xfff, 0x069, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x43e, - 0x0b5, 0xfff, 0x524, 0x2d2, 0xfff, 0xfff, 0xfff, 0x28f, - 0xfff, 0x01b, 0x50e, 0xfff, 0xfff, 0x1bb, 0xfff, 0xfff, - 0x41d, 0xfff, 0x32e, 0x48e, 0xfff, 0x1f7, 0x224, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x394, 0xfff, 0xfff, 0xfff, - 0xfff, 0x52c, 0xfff, 0xfff, 0xfff, 0x392, 0xfff, 0x1e7, - 0xfff, 0xfff, 0x3f9, 0x3a7, 0xfff, 0x51f, 0xfff, 0x0bb, - 0x118, 0x3ca, 0xfff, 0x1dd, 0xfff, 0x48b, 0xfff, 0xfff, - 0xfff, 0xfff, 0x50f, 0xfff, 0x0d6, 0xfff, 0x1fa, 0xfff, - 0x11e, 0xfff, 0xfff, 0xfff, 0xfff, 0x4d7, 0xfff, 0x078, - 0x008, 0xfff, 0x25d, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x032, 0x33c, 0xfff, 0x4d9, 0x160, 0xfff, 0xfff, 0x300, - 0x0b1, 0xfff, 0x322, 0xfff, 0x4ec, 0xfff, 0xfff, 0x200, - 0x00c, 0x369, 0x473, 0xfff, 0xfff, 0x32c, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x53e, 0x3d4, 0x417, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x34b, 0x001, 0x39a, 0x02c, 0xfff, 0xfff, 0x2ce, 0x00f, - 0xfff, 0x0ba, 0xfff, 0xfff, 0xfff, 0xfff, 0x060, 0xfff, - 0x406, 0xfff, 0xfff, 0xfff, 0x4ee, 0x4ac, 0xfff, 0x43f, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x29b, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x216, - 0x190, 0xfff, 0x396, 0x464, 0xfff, 0xfff, 0x323, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2e9, 0xfff, 0x26d, - 0x2cd, 0x040, 0xfff, 0xfff, 0xfff, 0xfff, 0x38b, 0x3c0, - 0xfff, 0xfff, 0xfff, 0x1f2, 0xfff, 0x0ea, 0xfff, 0xfff, - 0x472, 0xfff, 0x1fb, 0xfff, 0xfff, 0x0af, 0x27f, 0xfff, - 0xfff, 0xfff, 0x479, 0x023, 0xfff, 0x0d8, 0x3b3, 0xfff, - 0xfff, 0xfff, 0x121, 0xfff, 0xfff, 0x3bf, 0xfff, 0xfff, - 0x16b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x45a, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0x0be, 0xfff, 0xfff, 0xfff, 0x111, 0xfff, 0x220, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0x09b, 0x218, 0xfff, 0x022, 0x202, 0xfff, - 0x4c8, 0xfff, 0x0ed, 0xfff, 0xfff, 0x182, 0xfff, 0xfff, - 0xfff, 0x17f, 0x213, 0xfff, 0x321, 0x36a, 0xfff, 0x086, - 0xfff, 0xfff, 0xfff, 0x43b, 0x088, 0xfff, 0xfff, 0xfff, - 0xfff, 0x26c, 0xfff, 0x2f8, 0x3b4, 0xfff, 0xfff, 0xfff, - 0x132, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x333, 0x444, - 0x0c1, 0x4d8, 0x46d, 0x264, 0xfff, 0xfff, 0xfff, 0xfff, - 0x426, 0xfff, 0xfff, 0xfff, 0xfff, 0x2fe, 0xfff, 0xfff, - 0xfff, 0xfff, 0x011, 0xfff, 0x05f, 0xfff, 0xfff, 0xfff, - 0xfff, 0x10c, 0x101, 0xfff, 0xfff, 0xfff, 0xfff, 0x110, - 0xfff, 0x044, 0x304, 0x361, 0x404, 0xfff, 0x51b, 0x099, - 0xfff, 0x440, 0xfff, 0xfff, 0xfff, 0x222, 0xfff, 0xfff, - 0xfff, 0xfff, 0x1b5, 0xfff, 0x136, 0x430, 0xfff, 0x1da, - 0xfff, 0xfff, 0xfff, 0x043, 0xfff, 0x17c, 0xfff, 0xfff, - 0xfff, 0x01c, 0xfff, 0xfff, 0xfff, 0x425, 0x236, 0xfff, - 0x317, 0xfff, 0xfff, 0x437, 0x3fc, 0xfff, 0x1f1, 0xfff, - 0x324, 0xfff, 0xfff, 0x0ca, 0x306, 0xfff, 0x548, 0xfff, - 0x46e, 0xfff, 0xfff, 0xfff, 0x4b8, 0x1c2, 0x286, 0xfff, - 0xfff, 0x087, 0x18a, 0x19f, 0xfff, 0xfff, 0xfff, 0xfff, - 0x18c, 0xfff, 0x215, 0xfff, 0xfff, 0xfff, 0xfff, 0x283, - 0xfff, 0xfff, 0xfff, 0x126, 0xfff, 0xfff, 0x370, 0xfff, - 0x53f, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x31c, 0xfff, - 0x4d1, 0xfff, 0xfff, 0xfff, 0x021, 0xfff, 0x157, 0xfff, - 0xfff, 0x028, 0x16e, 0xfff, 0x421, 0xfff, 0x1c6, 0xfff, - 0xfff, 0x511, 0xfff, 0xfff, 0x39c, 0x46f, 0x1b2, 0xfff, - 0xfff, 0x316, 0xfff, 0xfff, 0x009, 0xfff, 0xfff, 0x195, - 0xfff, 0x240, 0x546, 0xfff, 0xfff, 0x520, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x454, 0xfff, 0xfff, 0xfff, - 0x3f3, 0xfff, 0xfff, 0x187, 0xfff, 0x4a9, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x51c, 0x453, 0x1e6, 0xfff, - 0xfff, 0xfff, 0x1b0, 0xfff, 0x477, 0xfff, 0xfff, 0xfff, - 0x4fe, 0xfff, 0x32f, 0xfff, 0xfff, 0x15e, 0x1d4, 0xfff, - 0x0e5, 0xfff, 0xfff, 0xfff, 0x242, 0x14b, 0x046, 0xfff, - 0x3f6, 0x3bb, 0x3e4, 0xfff, 0xfff, 0x2e3, 0xfff, 0x245, - 0xfff, 0x149, 0xfff, 0xfff, 0xfff, 0x2db, 0xfff, 0xfff, - 0x181, 0xfff, 0x089, 0x2c5, 0xfff, 0x1f5, 0xfff, 0x2d6, - 0x507, 0xfff, 0x42d, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0x080, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, - 0xfff, 0xfff, 0xfff, 0xfff, 0x3c3, 0x320, 0xfff, 0x1e1, - 0xfff, 0x0f5, 0x13b, 0xfff, 0xfff, 0xfff, 0x003, 0x4da, - 0xfff, 0xfff, 0xfff, 0x42c, 0xfff, 0xfff, 0x0cb, 0xfff, - 0x536, 0x2c3, 0xfff, 0xfff, 0xfff, 0xfff, 0x199, 0xfff, - 0xfff, 0x0c0, 0xfff, 0x01e, 0x497, 0xfff, 0xfff, 0x3e5, - 0xfff, 0xfff, 0xfff, 0x0cf, 0xfff, 0x2bd, 0xfff, 0x223, - 0xfff, 0x3ff, 0xfff, 0x058, 0x174, 0x3ef, 0xfff, 0x002 -}; - -static unsigned short err_pos(unsigned short din) -{ - BUG_ON(din >= ARRAY_SIZE(err_pos_lut)); - return err_pos_lut[din]; -} -static int chk_no_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info) -{ - if ((chk_syndrome_list[0] | chk_syndrome_list[1] | - chk_syndrome_list[2] | chk_syndrome_list[3] | - chk_syndrome_list[4] | chk_syndrome_list[5] | - chk_syndrome_list[6] | chk_syndrome_list[7]) != 0x0) { - return -EINVAL; - } else { - err_info[0] = 0x0; - return 0; - } -} -static int chk_1_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info) -{ - unsigned short tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6; - tmp0 = gf4096_mul(chk_syndrome_list[1], gf4096_inv(chk_syndrome_list[0])); - tmp1 = gf4096_mul(chk_syndrome_list[2], gf4096_inv(chk_syndrome_list[1])); - tmp2 = gf4096_mul(chk_syndrome_list[3], gf4096_inv(chk_syndrome_list[2])); - tmp3 = gf4096_mul(chk_syndrome_list[4], gf4096_inv(chk_syndrome_list[3])); - tmp4 = gf4096_mul(chk_syndrome_list[5], gf4096_inv(chk_syndrome_list[4])); - tmp5 = gf4096_mul(chk_syndrome_list[6], gf4096_inv(chk_syndrome_list[5])); - tmp6 = gf4096_mul(chk_syndrome_list[7], gf4096_inv(chk_syndrome_list[6])); - if ((tmp0 == tmp1) & (tmp1 == tmp2) & (tmp2 == tmp3) & (tmp3 == tmp4) & (tmp4 == tmp5) & (tmp5 == tmp6)) { - err_info[0] = 0x1; // encode 1-symbol error as 0x1 - err_info[1] = err_pos(tmp0); - err_info[1] = (unsigned short)(0x55e - err_info[1]); - err_info[5] = chk_syndrome_list[0]; - return 0; - } else - return -EINVAL; -} -static int chk_2_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info) -{ - unsigned short tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; - unsigned short coefs[4]; - unsigned short err_pats[4]; - int found_num_root = 0; - unsigned short bit2_root0, bit2_root1; - unsigned short bit2_root0_inv, bit2_root1_inv; - unsigned short err_loc_eqn, test_root; - unsigned short bit2_loc0, bit2_loc1; - unsigned short bit2_pat0, bit2_pat1; - - find_2x2_soln(chk_syndrome_list[1], - chk_syndrome_list[0], - chk_syndrome_list[2], chk_syndrome_list[1], chk_syndrome_list[2], chk_syndrome_list[3], coefs); - for (test_root = 0x1; test_root < 0xfff; test_root++) { - err_loc_eqn = - gf4096_mul(coefs[1], gf4096_mul(test_root, test_root)) ^ gf4096_mul(coefs[0], test_root) ^ 0x1; - if (err_loc_eqn == 0x0) { - if (found_num_root == 0) { - bit2_root0 = test_root; - found_num_root = 1; - } else if (found_num_root == 1) { - bit2_root1 = test_root; - found_num_root = 2; - break; - } - } - } - if (found_num_root != 2) - return -EINVAL; - else { - bit2_root0_inv = gf4096_inv(bit2_root0); - bit2_root1_inv = gf4096_inv(bit2_root1); - find_2bit_err_pats(chk_syndrome_list[0], - chk_syndrome_list[1], bit2_root0_inv, bit2_root1_inv, err_pats); - bit2_pat0 = err_pats[0]; - bit2_pat1 = err_pats[1]; - //for(x+1) - tmp0 = gf4096_mul(gf4096_mul(bit2_root0_inv, bit2_root0_inv), gf4096_mul(bit2_root0_inv, bit2_root0_inv)); //rinv0^4 - tmp1 = gf4096_mul(bit2_root0_inv, tmp0); //rinv0^5 - tmp2 = gf4096_mul(bit2_root0_inv, tmp1); //rinv0^6 - tmp3 = gf4096_mul(bit2_root0_inv, tmp2); //rinv0^7 - tmp4 = gf4096_mul(gf4096_mul(bit2_root1_inv, bit2_root1_inv), gf4096_mul(bit2_root1_inv, bit2_root1_inv)); //rinv1^4 - tmp5 = gf4096_mul(bit2_root1_inv, tmp4); //rinv1^5 - tmp6 = gf4096_mul(bit2_root1_inv, tmp5); //rinv1^6 - tmp7 = gf4096_mul(bit2_root1_inv, tmp6); //rinv1^7 - //check if only 2-bit error - if ((chk_syndrome_list[4] == - (gf4096_mul(bit2_pat0, tmp0) ^ - gf4096_mul(bit2_pat1, - tmp4))) & (chk_syndrome_list[5] == - (gf4096_mul(bit2_pat0, tmp1) ^ - gf4096_mul(bit2_pat1, - tmp5))) & - (chk_syndrome_list[6] == - (gf4096_mul(bit2_pat0, tmp2) ^ - gf4096_mul(bit2_pat1, - tmp6))) & (chk_syndrome_list[7] == - (gf4096_mul(bit2_pat0, tmp3) ^ gf4096_mul(bit2_pat1, tmp7)))) { - if ((err_pos(bit2_root0_inv) == 0xfff) | (err_pos(bit2_root1_inv) == 0xfff)) { - return -EINVAL; - } else { - bit2_loc0 = 0x55e - err_pos(bit2_root0_inv); - bit2_loc1 = 0x55e - err_pos(bit2_root1_inv); - err_info[0] = 0x2; // encode 2-symbol error as 0x2 - err_info[1] = bit2_loc0; - err_info[2] = bit2_loc1; - err_info[5] = bit2_pat0; - err_info[6] = bit2_pat1; - return 0; - } - } else - return -EINVAL; - } -} -static int chk_3_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info) -{ - unsigned short tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; - unsigned short coefs[4]; - unsigned short err_pats[4]; - int found_num_root = 0; - unsigned short bit3_root0, bit3_root1, bit3_root2; - unsigned short bit3_root0_inv, bit3_root1_inv, bit3_root2_inv; - unsigned short err_loc_eqn, test_root; - - find_3bit_err_coefs(chk_syndrome_list[0], chk_syndrome_list[1], - chk_syndrome_list[2], chk_syndrome_list[3], - chk_syndrome_list[4], chk_syndrome_list[5], coefs); - - for (test_root = 0x1; test_root < 0xfff; test_root++) { - err_loc_eqn = gf4096_mul(coefs[2], - gf4096_mul(gf4096_mul(test_root, test_root), - test_root)) ^ gf4096_mul(coefs[1], gf4096_mul(test_root, test_root)) - ^ gf4096_mul(coefs[0], test_root) ^ 0x1; - - if (err_loc_eqn == 0x0) { - if (found_num_root == 0) { - bit3_root0 = test_root; - found_num_root = 1; - } else if (found_num_root == 1) { - bit3_root1 = test_root; - found_num_root = 2; - } else if (found_num_root == 2) { - bit3_root2 = test_root; - found_num_root = 3; - break; - } - } - } - if (found_num_root != 3) - return -EINVAL; - else { - bit3_root0_inv = gf4096_inv(bit3_root0); - bit3_root1_inv = gf4096_inv(bit3_root1); - bit3_root2_inv = gf4096_inv(bit3_root2); - - find_3bit_err_pats(chk_syndrome_list[0], chk_syndrome_list[1], - chk_syndrome_list[2], bit3_root0_inv, - bit3_root1_inv, bit3_root2_inv, err_pats); - - //check if only 3-bit error - tmp0 = gf4096_mul(bit3_root0_inv, bit3_root0_inv); - tmp0 = gf4096_mul(tmp0, tmp0); - tmp0 = gf4096_mul(tmp0, bit3_root0_inv); - tmp0 = gf4096_mul(tmp0, bit3_root0_inv); //rinv0^6 - tmp1 = gf4096_mul(tmp0, bit3_root0_inv); //rinv0^7 - tmp2 = gf4096_mul(bit3_root1_inv, bit3_root1_inv); - tmp2 = gf4096_mul(tmp2, tmp2); - tmp2 = gf4096_mul(tmp2, bit3_root1_inv); - tmp2 = gf4096_mul(tmp2, bit3_root1_inv); //rinv1^6 - tmp3 = gf4096_mul(tmp2, bit3_root1_inv); //rinv1^7 - tmp4 = gf4096_mul(bit3_root2_inv, bit3_root2_inv); - tmp4 = gf4096_mul(tmp4, tmp4); - tmp4 = gf4096_mul(tmp4, bit3_root2_inv); - tmp4 = gf4096_mul(tmp4, bit3_root2_inv); //rinv2^6 - tmp5 = gf4096_mul(tmp4, bit3_root2_inv); //rinv2^7 - - //check if only 3 errors - if ((chk_syndrome_list[6] == (gf4096_mul(err_pats[0], tmp0) ^ - gf4096_mul(err_pats[1], tmp2) ^ - gf4096_mul(err_pats[2], tmp4))) & - (chk_syndrome_list[7] == (gf4096_mul(err_pats[0], tmp1) ^ - gf4096_mul(err_pats[1], tmp3) ^ gf4096_mul(err_pats[2], tmp5)))) { - if ((err_pos(bit3_root0_inv) == 0xfff) | - (err_pos(bit3_root1_inv) == 0xfff) | (err_pos(bit3_root2_inv) == 0xfff)) { - return -EINVAL; - } else { - err_info[0] = 0x3; - err_info[1] = (0x55e - err_pos(bit3_root0_inv)); - err_info[2] = (0x55e - err_pos(bit3_root1_inv)); - err_info[3] = (0x55e - err_pos(bit3_root2_inv)); - err_info[5] = err_pats[0]; - err_info[6] = err_pats[1]; - err_info[7] = err_pats[2]; - return 0; - } - } else - return -EINVAL; - } -} -static int chk_4_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info) -{ - unsigned short coefs[4]; - unsigned short err_pats[4]; - int found_num_root = 0; - unsigned short bit4_root0, bit4_root1, bit4_root2, bit4_root3; - unsigned short bit4_root0_inv, bit4_root1_inv, bit4_root2_inv, bit4_root3_inv; - unsigned short err_loc_eqn, test_root; - - find_4bit_err_coefs(chk_syndrome_list[0], - chk_syndrome_list[1], - chk_syndrome_list[2], - chk_syndrome_list[3], - chk_syndrome_list[4], - chk_syndrome_list[5], chk_syndrome_list[6], chk_syndrome_list[7], coefs); - - for (test_root = 0x1; test_root < 0xfff; test_root++) { - err_loc_eqn = - gf4096_mul(coefs[3], - gf4096_mul(gf4096_mul - (gf4096_mul(test_root, test_root), - test_root), - test_root)) ^ gf4096_mul(coefs[2], - gf4096_mul - (gf4096_mul(test_root, test_root), test_root)) - ^ gf4096_mul(coefs[1], gf4096_mul(test_root, test_root)) ^ gf4096_mul(coefs[0], test_root) - ^ 0x1; - if (err_loc_eqn == 0x0) { - if (found_num_root == 0) { - bit4_root0 = test_root; - found_num_root = 1; - } else if (found_num_root == 1) { - bit4_root1 = test_root; - found_num_root = 2; - } else if (found_num_root == 2) { - bit4_root2 = test_root; - found_num_root = 3; - } else { - found_num_root = 4; - bit4_root3 = test_root; - break; - } - } - } - if (found_num_root != 4) { - return -EINVAL; - } else { - bit4_root0_inv = gf4096_inv(bit4_root0); - bit4_root1_inv = gf4096_inv(bit4_root1); - bit4_root2_inv = gf4096_inv(bit4_root2); - bit4_root3_inv = gf4096_inv(bit4_root3); - find_4bit_err_pats(chk_syndrome_list[0], - chk_syndrome_list[1], - chk_syndrome_list[2], - chk_syndrome_list[3], - bit4_root0_inv, bit4_root1_inv, bit4_root2_inv, bit4_root3_inv, err_pats); - err_info[0] = 0x4; - err_info[1] = (0x55e - err_pos(bit4_root0_inv)); - err_info[2] = (0x55e - err_pos(bit4_root1_inv)); - err_info[3] = (0x55e - err_pos(bit4_root2_inv)); - err_info[4] = (0x55e - err_pos(bit4_root3_inv)); - err_info[5] = err_pats[0]; - err_info[6] = err_pats[1]; - err_info[7] = err_pats[2]; - err_info[8] = err_pats[3]; - return 0; - } -} - -void correct_12bit_symbol(unsigned char *buf, unsigned short sym, - unsigned short val) -{ - if (unlikely(sym > 1366)) { - printk(KERN_ERR "Error: symbol %d out of range; cannot correct\n", sym); - } else if (sym == 0) { - buf[0] ^= val; - } else if (sym & 1) { - buf[1+(3*(sym-1))/2] ^= (val >> 4); - buf[2+(3*(sym-1))/2] ^= ((val & 0xf) << 4); - } else { - buf[2+(3*(sym-2))/2] ^= (val >> 8); - buf[3+(3*(sym-2))/2] ^= (val & 0xff); - } -} - -static int debugecc = 0; -module_param(debugecc, int, 0644); - -int cafe_correct_ecc(unsigned char *buf, - unsigned short *chk_syndrome_list) -{ - unsigned short err_info[9]; - int i; - - if (debugecc) { - printk(KERN_WARNING "cafe_correct_ecc invoked. Syndromes %x %x %x %x %x %x %x %x\n", - chk_syndrome_list[0], chk_syndrome_list[1], - chk_syndrome_list[2], chk_syndrome_list[3], - chk_syndrome_list[4], chk_syndrome_list[5], - chk_syndrome_list[6], chk_syndrome_list[7]); - for (i=0; i < 2048; i+=16) { - printk(KERN_WARNING "D %04x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", - i, - buf[i], buf[i+1], buf[i+2], buf[i+3], - buf[i+4], buf[i+5], buf[i+6], buf[i+7], - buf[i+8], buf[i+9], buf[i+10], buf[i+11], - buf[i+12], buf[i+13], buf[i+14], buf[i+15]); - } - for ( ; i < 2112; i+=16) { - printk(KERN_WARNING "O %02x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", - i - 2048, - buf[i], buf[i+1], buf[i+2], buf[i+3], - buf[i+4], buf[i+5], buf[i+6], buf[i+7], - buf[i+8], buf[i+9], buf[i+10], buf[i+11], - buf[i+12], buf[i+13], buf[i+14], buf[i+15]); - } - } - - - - if (chk_no_err_only(chk_syndrome_list, err_info) && - chk_1_err_only(chk_syndrome_list, err_info) && - chk_2_err_only(chk_syndrome_list, err_info) && - chk_3_err_only(chk_syndrome_list, err_info) && - chk_4_err_only(chk_syndrome_list, err_info)) { - return -EIO; - } - - for (i=0; i < err_info[0]; i++) { - if (debugecc) - printk(KERN_WARNING "Correct symbol %d with 0x%03x\n", - err_info[1+i], err_info[5+i]); - - correct_12bit_symbol(buf, err_info[1+i], err_info[5+i]); - } - - return err_info[0]; -} - diff --git a/drivers/mtd/nand/cafe.c b/drivers/mtd/nand/cafe_nand.c index c328a7514510..cff969d05d4a 100644 --- a/drivers/mtd/nand/cafe.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -11,6 +11,7 @@ #undef DEBUG #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> +#include <linux/rslib.h> #include <linux/pci.h> #include <linux/delay.h> #include <linux/interrupt.h> @@ -46,13 +47,14 @@ #define CAFE_GLOBAL_IRQ_MASK 0x300c #define CAFE_NAND_RESET 0x3034 -int cafe_correct_ecc(unsigned char *buf, - unsigned short *chk_syndrome_list); +/* Missing from the datasheet: bit 19 of CTRL1 sets CE0 vs. CE1 */ +#define CTRL1_CHIPSELECT (1<<19) struct cafe_priv { struct nand_chip nand; struct pci_dev *pdev; void __iomem *mmio; + struct rs_control *rs; uint32_t ctl1; uint32_t ctl2; int datalen; @@ -195,8 +197,8 @@ static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command, cafe->data_pos = cafe->datalen = 0; - /* Set command valid bit */ - ctl1 = 0x80000000 | command; + /* Set command valid bit, mask in the chip select bit */ + ctl1 = 0x80000000 | command | (cafe->ctl1 & CTRL1_CHIPSELECT); /* Set RD or WR bits as appropriate */ if (command == NAND_CMD_READID || command == NAND_CMD_STATUS) { @@ -309,8 +311,16 @@ static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command, static void cafe_select_chip(struct mtd_info *mtd, int chipnr) { - //struct cafe_priv *cafe = mtd->priv; - // cafe_dev_dbg(&cafe->pdev->dev, "select_chip %d\n", chipnr); + struct cafe_priv *cafe = mtd->priv; + + cafe_dev_dbg(&cafe->pdev->dev, "select_chip %d\n", chipnr); + + /* Mask the appropriate bit into the stored value of ctl1 + which will be used by cafe_nand_cmdfunc() */ + if (chipnr) + cafe->ctl1 |= CTRL1_CHIPSELECT; + else + cafe->ctl1 &= ~CTRL1_CHIPSELECT; } static int cafe_nand_interrupt(int irq, void *id) @@ -374,28 +384,66 @@ static int cafe_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip, chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); if (checkecc && cafe_readl(cafe, NAND_ECC_RESULT) & (1<<18)) { - unsigned short syn[8]; - int i; + unsigned short syn[8], pat[4]; + int pos[4]; + u8 *oob = chip->oob_poi; + int i, n; for (i=0; i<8; i+=2) { uint32_t tmp = cafe_readl(cafe, NAND_ECC_SYN01 + (i*2)); - syn[i] = tmp & 0xfff; - syn[i+1] = (tmp >> 16) & 0xfff; + syn[i] = cafe->rs->index_of[tmp & 0xfff]; + syn[i+1] = cafe->rs->index_of[(tmp >> 16) & 0xfff]; + } + + n = decode_rs16(cafe->rs, NULL, NULL, 1367, syn, 0, pos, 0, + pat); + + for (i = 0; i < n; i++) { + int p = pos[i]; + + /* The 12-bit symbols are mapped to bytes here */ + + if (p > 1374) { + /* out of range */ + n = -1374; + } else if (p == 0) { + /* high four bits do not correspond to data */ + if (pat[i] > 0xff) + n = -2048; + else + buf[0] ^= pat[i]; + } else if (p == 1365) { + buf[2047] ^= pat[i] >> 4; + oob[0] ^= pat[i] << 4; + } else if (p > 1365) { + if ((p & 1) == 1) { + oob[3*p/2 - 2048] ^= pat[i] >> 4; + oob[3*p/2 - 2047] ^= pat[i] << 4; + } else { + oob[3*p/2 - 2049] ^= pat[i] >> 8; + oob[3*p/2 - 2048] ^= pat[i]; + } + } else if ((p & 1) == 1) { + buf[3*p/2] ^= pat[i] >> 4; + buf[3*p/2 + 1] ^= pat[i] << 4; + } else { + buf[3*p/2 - 1] ^= pat[i] >> 8; + buf[3*p/2] ^= pat[i]; + } } - if ((i = cafe_correct_ecc(buf, syn)) < 0) { + if (n < 0) { dev_dbg(&cafe->pdev->dev, "Failed to correct ECC at %08x\n", cafe_readl(cafe, NAND_ADDR2) * 2048); - for (i=0; i< 0x5c; i+=4) + for (i = 0; i < 0x5c; i += 4) printk("Register %x: %08x\n", i, readl(cafe->mmio + i)); mtd->ecc_stats.failed++; } else { - dev_dbg(&cafe->pdev->dev, "Corrected %d symbol errors\n", i); - mtd->ecc_stats.corrected += i; + dev_dbg(&cafe->pdev->dev, "Corrected %d symbol errors\n", n); + mtd->ecc_stats.corrected += n; } } - return 0; } @@ -416,7 +464,7 @@ static uint8_t cafe_mirror_pattern_512[] = { 0xBC }; static struct nand_bbt_descr cafe_bbt_main_descr_2048 = { .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE - | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP, + | NAND_BBT_2BIT | NAND_BBT_VERSION, .offs = 14, .len = 4, .veroffs = 18, @@ -426,7 +474,7 @@ static struct nand_bbt_descr cafe_bbt_main_descr_2048 = { static struct nand_bbt_descr cafe_bbt_mirror_descr_2048 = { .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE - | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP, + | NAND_BBT_2BIT | NAND_BBT_VERSION, .offs = 14, .len = 4, .veroffs = 18, @@ -442,7 +490,7 @@ static struct nand_ecclayout cafe_oobinfo_512 = { static struct nand_bbt_descr cafe_bbt_main_descr_512 = { .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE - | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP, + | NAND_BBT_2BIT | NAND_BBT_VERSION, .offs = 14, .len = 1, .veroffs = 15, @@ -452,7 +500,7 @@ static struct nand_bbt_descr cafe_bbt_main_descr_512 = { static struct nand_bbt_descr cafe_bbt_mirror_descr_512 = { .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE - | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP, + | NAND_BBT_2BIT | NAND_BBT_VERSION, .offs = 14, .len = 1, .veroffs = 15, @@ -525,6 +573,48 @@ static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) return 0; } +/* F_2[X]/(X**6+X+1) */ +static unsigned short __devinit gf64_mul(u8 a, u8 b) +{ + u8 c; + unsigned int i; + + c = 0; + for (i = 0; i < 6; i++) { + if (a & 1) + c ^= b; + a >>= 1; + b <<= 1; + if ((b & 0x40) != 0) + b ^= 0x43; + } + + return c; +} + +/* F_64[X]/(X**2+X+A**-1) with A the generator of F_64[X] */ +static u16 __devinit gf4096_mul(u16 a, u16 b) +{ + u8 ah, al, bh, bl, ch, cl; + + ah = a >> 6; + al = a & 0x3f; + bh = b >> 6; + bl = b & 0x3f; + + ch = gf64_mul(ah ^ al, bh ^ bl) ^ gf64_mul(al, bl); + cl = gf64_mul(gf64_mul(ah, bh), 0x21) ^ gf64_mul(al, bl); + + return (ch << 6) ^ cl; +} + +static int __devinit cafe_mul(int x) +{ + if (x == 0) + return 1; + return gf4096_mul(x, 0xe01); +} + static int __devinit cafe_nand_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -564,6 +654,12 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev, } cafe->nand.buffers = (void *)cafe->dmabuf + 2112; + cafe->rs = init_rs_non_canonical(12, &cafe_mul, 0, 1, 8); + if (!cafe->rs) { + err = -ENOMEM; + goto out_ior; + } + cafe->nand.cmdfunc = cafe_nand_cmdfunc; cafe->nand.dev_ready = cafe_device_ready; cafe->nand.read_byte = cafe_read_byte; @@ -646,7 +742,7 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev, cafe_readl(cafe, GLOBAL_CTRL), cafe_readl(cafe, GLOBAL_IRQ_MASK)); /* Scan to find existence of the device */ - if (nand_scan_ident(mtd, 1)) { + if (nand_scan_ident(mtd, 2)) { err = -ENXIO; goto out_irq; } @@ -713,6 +809,7 @@ static void __devexit cafe_nand_remove(struct pci_dev *pdev) cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK); free_irq(pdev->irq, mtd); nand_release(mtd); + free_rs(cafe->rs); pci_iounmap(pdev, cafe->mmio); dma_free_coherent(&cafe->pdev->dev, 2112, cafe->dmabuf, cafe->dmaaddr); kfree(mtd); diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 04de315e4937..7e68203fe1ba 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -303,28 +303,27 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) struct nand_chip *chip = mtd->priv; u16 bad; + page = (int)(ofs >> chip->page_shift) & chip->pagemask; + if (getchip) { - page = (int)(ofs >> chip->page_shift); chipnr = (int)(ofs >> chip->chip_shift); nand_get_device(chip, mtd, FL_READING); /* Select the NAND device */ chip->select_chip(mtd, chipnr); - } else - page = (int)(ofs >> chip->page_shift); + } if (chip->options & NAND_BUSWIDTH_16) { chip->cmdfunc(mtd, NAND_CMD_READOOB, chip->badblockpos & 0xFE, - page & chip->pagemask); + page); bad = cpu_to_le16(chip->read_word(mtd)); if (chip->badblockpos & 0x1) bad >>= 8; if ((bad & 0xFF) != 0xff) res = 1; } else { - chip->cmdfunc(mtd, NAND_CMD_READOOB, chip->badblockpos, - page & chip->pagemask); + chip->cmdfunc(mtd, NAND_CMD_READOOB, chip->badblockpos, page); if (chip->read_byte(mtd) != 0xff) res = 1; } diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c new file mode 100644 index 000000000000..cd725fc5e813 --- /dev/null +++ b/drivers/mtd/nand/plat_nand.c @@ -0,0 +1,150 @@ +/* + * Generic NAND driver + * + * Author: Vitaly Wool <vitalywool@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> + +struct plat_nand_data { + struct nand_chip chip; + struct mtd_info mtd; + void __iomem *io_base; +#ifdef CONFIG_MTD_PARTITIONS + int nr_parts; + struct mtd_partition *parts; +#endif +}; + +/* + * Probe for the NAND device. + */ +static int __init plat_nand_probe(struct platform_device *pdev) +{ + struct platform_nand_data *pdata = pdev->dev.platform_data; + struct plat_nand_data *data; + int res = 0; + + /* Allocate memory for the device structure (and zero it) */ + data = kzalloc(sizeof(struct plat_nand_data), GFP_KERNEL); + if (!data) { + dev_err(&pdev->dev, "failed to allocate device structure.\n"); + return -ENOMEM; + } + + data->io_base = ioremap(pdev->resource[0].start, + pdev->resource[0].end - pdev->resource[0].start + 1); + if (data->io_base == NULL) { + dev_err(&pdev->dev, "ioremap failed\n"); + kfree(data); + return -EIO; + } + + data->chip.priv = &data; + data->mtd.priv = &data->chip; + data->mtd.owner = THIS_MODULE; + + data->chip.IO_ADDR_R = data->io_base; + data->chip.IO_ADDR_W = data->io_base; + data->chip.cmd_ctrl = pdata->ctrl.cmd_ctrl; + data->chip.dev_ready = pdata->ctrl.dev_ready; + data->chip.select_chip = pdata->ctrl.select_chip; + data->chip.chip_delay = pdata->chip.chip_delay; + data->chip.options |= pdata->chip.options; + + data->chip.ecc.hwctl = pdata->ctrl.hwcontrol; + data->chip.ecc.layout = pdata->chip.ecclayout; + data->chip.ecc.mode = NAND_ECC_SOFT; + + platform_set_drvdata(pdev, data); + + /* Scan to find existance of the device */ + if (nand_scan(&data->mtd, 1)) { + res = -ENXIO; + goto out; + } + +#ifdef CONFIG_MTD_PARTITIONS + if (pdata->chip.part_probe_types) { + res = parse_mtd_partitions(&data->mtd, + pdata->chip.part_probe_types, + &data->parts, 0); + if (res > 0) { + add_mtd_partitions(&data->mtd, data->parts, res); + return 0; + } + } + if (pdata->chip.partitions) { + data->parts = pdata->chip.partitions; + res = add_mtd_partitions(&data->mtd, data->parts, + pdata->chip.nr_partitions); + } else +#endif + res = add_mtd_device(&data->mtd); + + if (!res) + return res; + + nand_release(&data->mtd); +out: + platform_set_drvdata(pdev, NULL); + iounmap(data->io_base); + kfree(data); + return res; +} + +/* + * Remove a NAND device. + */ +static int __devexit plat_nand_remove(struct platform_device *pdev) +{ + struct plat_nand_data *data = platform_get_drvdata(pdev); + struct platform_nand_data *pdata = pdev->dev.platform_data; + + nand_release(&data->mtd); +#ifdef CONFIG_MTD_PARTITIONS + if (data->parts && data->parts != pdata->chip.partitions) + kfree(data->parts); +#endif + iounmap(data->io_base); + kfree(data); + + return 0; +} + +static struct platform_driver plat_nand_driver = { + .probe = plat_nand_probe, + .remove = plat_nand_remove, + .driver = { + .name = "gen_nand", + .owner = THIS_MODULE, + }, +}; + +static int __init plat_nand_init(void) +{ + return platform_driver_register(&plat_nand_driver); +} + +static void __exit plat_nand_exit(void) +{ + platform_driver_unregister(&plat_nand_driver); +} + +module_init(plat_nand_init); +module_exit(plat_nand_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Vitaly Wool"); +MODULE_DESCRIPTION("Simple generic NAND driver"); diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 000794c6caf5..0537fac8de74 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -2192,7 +2192,7 @@ static int onenand_check_maf(int manuf) * @param mtd MTD device structure * * OneNAND detection method: - * Compare the the values from command with ones from register + * Compare the values from command with ones from register */ static int onenand_probe(struct mtd_info *mtd) { diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c index 9588da3a30e7..127f60841b10 100644 --- a/drivers/net/3c509.c +++ b/drivers/net/3c509.c @@ -95,8 +95,7 @@ static int max_interrupt_work = 10; #include <asm/io.h> #include <asm/irq.h> -static char versionA[] __initdata = DRV_NAME ".c:" DRV_VERSION " " DRV_RELDATE " becker@scyld.com\n"; -static char versionB[] __initdata = "http://www.scyld.com/network/3c509.html\n"; +static char version[] __initdata = DRV_NAME ".c:" DRV_VERSION " " DRV_RELDATE " becker@scyld.com\n"; #if defined(CONFIG_PM) && (defined(CONFIG_MCA) || defined(CONFIG_EISA)) #define EL3_SUSPEND @@ -360,7 +359,7 @@ static int __init el3_common_init(struct net_device *dev) printk(", IRQ %d.\n", dev->irq); if (el3_debug > 0) - printk(KERN_INFO "%s" KERN_INFO "%s", versionA, versionB); + printk(KERN_INFO "%s", version); return 0; } diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index 80924f76dee8..f26ca331615e 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -103,7 +103,7 @@ static int vortex_debug = 1; static char version[] __devinitdata = -DRV_NAME ": Donald Becker and others. www.scyld.com/network/vortex.html\n"; +DRV_NAME ": Donald Becker and others.\n"; MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); MODULE_DESCRIPTION("3Com 3c59x/3c9xx ethernet driver "); diff --git a/drivers/net/atp.c b/drivers/net/atp.c index 18aba838c1ff..82d78ff8399b 100644 --- a/drivers/net/atp.c +++ b/drivers/net/atp.c @@ -31,10 +31,8 @@ */ -static const char versionA[] = +static const char version[] = "atp.c:v1.09=ac 2002/10/01 Donald Becker <becker@scyld.com>\n"; -static const char versionB[] = -" http://www.scyld.com/network/atp.html\n"; /* The user-configurable values. These may be modified when a driver module is loaded.*/ @@ -324,7 +322,7 @@ static int __init atp_probe1(long ioaddr) #ifndef MODULE if (net_debug) - printk(KERN_INFO "%s" KERN_INFO "%s", versionA, versionB); + printk(KERN_INFO "%s", version); #endif printk(KERN_NOTICE "%s: Pocket adapter found at %#3lx, IRQ %d, SAPROM " @@ -926,7 +924,7 @@ static void set_rx_mode_8012(struct net_device *dev) static int __init atp_init_module(void) { if (debug) /* Emit version even if no cards detected. */ - printk(KERN_INFO "%s" KERN_INFO "%s", versionA, versionB); + printk(KERN_INFO "%s", version); return atp_init(); } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 724bce51f936..223517dcbcfd 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3461,7 +3461,7 @@ void bond_unregister_arp(struct bonding *bond) /*---------------------------- Hashing Policies -----------------------------*/ /* - * Hash for the the output device based upon layer 3 and layer 4 data. If + * Hash for the output device based upon layer 3 and layer 4 data. If * the packet is a frag or not TCP or UDP, just use layer 3 data. If it is * altogether not IP, mimic bond_xmit_hash_policy_l2() */ diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 3a03a74c0609..637ae8f68791 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1214,7 +1214,7 @@ e1000_remove(struct pci_dev *pdev) int i; #endif - flush_scheduled_work(); + cancel_work_sync(&adapter->reset_task); e1000_release_manageability(adapter); diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c index 39654e1e2bed..47680237f783 100644 --- a/drivers/net/eepro.c +++ b/drivers/net/eepro.c @@ -1126,7 +1126,7 @@ static void eepro_tx_timeout (struct net_device *dev) printk (KERN_ERR "%s: transmit timed out, %s?\n", dev->name, "network cable problem"); /* This is not a duplicate. One message for the console, - one for the the log file */ + one for the log file */ printk (KERN_DEBUG "%s: transmit timed out, %s?\n", dev->name, "network cable problem"); eepro_complete_selreset(ioaddr); diff --git a/drivers/net/eepro100.c b/drivers/net/eepro100.c index 6c267c38df97..9800341956a2 100644 --- a/drivers/net/eepro100.c +++ b/drivers/net/eepro100.c @@ -28,7 +28,7 @@ */ static const char * const version = -"eepro100.c:v1.09j-t 9/29/99 Donald Becker http://www.scyld.com/network/eepro100.html\n" +"eepro100.c:v1.09j-t 9/29/99 Donald Becker\n" "eepro100.c: $Revision: 1.36 $ 2000/11/17 Modified by Andrey V. Savochkin <saw@saw.sw.com.sg> and others\n"; /* A few user-configurable values that apply to all boards. diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c index 4e3f14c9c717..5e517946f46a 100644 --- a/drivers/net/epic100.c +++ b/drivers/net/epic100.c @@ -93,8 +93,6 @@ static int rx_copybreak; static char version[] __devinitdata = DRV_NAME ".c:v1.11 1/7/2001 Written by Donald Becker <becker@scyld.com>\n"; static char version2[] __devinitdata = -" http://www.scyld.com/network/epic100.html\n"; -static char version3[] __devinitdata = " (unofficial 2.4.x kernel port, version " DRV_VERSION ", " DRV_RELDATE ")\n"; MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); @@ -323,8 +321,8 @@ static int __devinit epic_init_one (struct pci_dev *pdev, #ifndef MODULE static int printed_version; if (!printed_version++) - printk (KERN_INFO "%s" KERN_INFO "%s" KERN_INFO "%s", - version, version2, version3); + printk (KERN_INFO "%s" KERN_INFO "%s", + version, version2); #endif card_idx++; @@ -1596,8 +1594,8 @@ static int __init epic_init (void) { /* when a module, this is printed whether or not devices are found in probe */ #ifdef MODULE - printk (KERN_INFO "%s" KERN_INFO "%s" KERN_INFO "%s", - version, version2, version3); + printk (KERN_INFO "%s" KERN_INFO "%s", + version, version2); #endif return pci_register_driver(&epic_driver); diff --git a/drivers/net/hamradio/Kconfig b/drivers/net/hamradio/Kconfig index 6e90619b3b41..36d2c7d4f4d0 100644 --- a/drivers/net/hamradio/Kconfig +++ b/drivers/net/hamradio/Kconfig @@ -140,7 +140,7 @@ config BAYCOM_SER_HDX modems that connect to a serial interface. The driver supports the ser12 design in half-duplex mode. This is the old driver. It is still provided in case your serial interface chip does not work with - the full-duplex driver. This driver is depreciated. To configure + the full-duplex driver. This driver is deprecated. To configure the driver, use the sethdlc utility available in the standard ax25 utilities package. For information on the modems, see <http://www.baycom.de/> and diff --git a/drivers/net/irda/donauboe.h b/drivers/net/irda/donauboe.h index 2ab173d9a0e4..1e67720f1066 100644 --- a/drivers/net/irda/donauboe.h +++ b/drivers/net/irda/donauboe.h @@ -113,7 +113,7 @@ /* RxOver overflow in Recv FIFO */ /* SipRcv received serial gap (or other condition you set) */ /* Interrupts are enabled by writing a one to the IER register */ -/* Interrupts are cleared by writting a one to the ISR register */ +/* Interrupts are cleared by writing a one to the ISR register */ /* */ /* 6. The remaining registers: 0x6 and 0x3 appear to be */ /* reserved parts of 16 or 32 bit registersthe remainder */ diff --git a/drivers/net/ixgb/ixgb_ee.c b/drivers/net/ixgb/ixgb_ee.c index f15aebde7b90..52c99d01d568 100644 --- a/drivers/net/ixgb/ixgb_ee.c +++ b/drivers/net/ixgb/ixgb_ee.c @@ -315,7 +315,7 @@ ixgb_wait_eeprom_command(struct ixgb_hw *hw) * hw - Struct containing variables accessed by shared code * * Reads the first 64 16 bit words of the EEPROM and sums the values read. - * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is + * If the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is * valid. * * Returns: diff --git a/drivers/net/meth.h b/drivers/net/meth.h index 84960dae2a22..ea3b8fc86d1e 100644 --- a/drivers/net/meth.h +++ b/drivers/net/meth.h @@ -126,7 +126,7 @@ typedef struct rx_packet { /* Note: when loopback is set this bit becomes collision control. Setting this bit will */ /* cause a collision to be reported. */ - /* Bits 5 and 6 are used to determine the the Destination address filter mode */ + /* Bits 5 and 6 are used to determine the Destination address filter mode */ #define METH_ACCEPT_MY 0 /* 00: Accept PHY address only */ #define METH_ACCEPT_MCAST 0x20 /* 01: Accept physical, broadcast, and multicast filter matches only */ #define METH_ACCEPT_AMCAST 0x40 /* 10: Accept physical, broadcast, and all multicast packets */ diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index 223e0e6264ba..4cf0d3fcb519 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -131,7 +131,6 @@ static const char version[] __devinitdata = KERN_INFO DRV_NAME " dp8381x driver, version " DRV_VERSION ", " DRV_RELDATE "\n" KERN_INFO " originally by Donald Becker <becker@scyld.com>\n" - KERN_INFO " http://www.scyld.com/network/natsemi.html\n" KERN_INFO " 2.4.x kernel port by Jeff Garzik, Tjeerd Mulder\n"; MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c index 589785d1e762..995c0a5d4066 100644 --- a/drivers/net/ne2k-pci.c +++ b/drivers/net/ne2k-pci.c @@ -63,8 +63,7 @@ static int options[MAX_UNITS]; /* These identify the driver base version and may not be removed. */ static char version[] __devinitdata = -KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " D. Becker/P. Gortmaker\n" -KERN_INFO " http://www.scyld.com/network/ne2k-pci.html\n"; +KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " D. Becker/P. Gortmaker\n"; #if defined(__powerpc__) #define inl_le(addr) le32_to_cpu(inl(addr)) diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index eed433d6056a..f71dab347667 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -662,10 +662,10 @@ int phy_stop_interrupts(struct phy_device *phydev) phy_error(phydev); /* - * Finish any pending work; we might have been scheduled - * to be called from keventd ourselves, though. + * Finish any pending work; we might have been scheduled to be called + * from keventd ourselves, but cancel_work_sync() handles that. */ - run_scheduled_work(&phydev->phy_queue); + cancel_work_sync(&phydev->phy_queue); free_irq(phydev->irq, phydev); diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index f51ba31970aa..e1f912d04043 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -110,8 +110,7 @@ static char *media[MAX_UNITS]; /* These identify the driver base version and may not be removed. */ static char version[] = -KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " Written by Donald Becker\n" -KERN_INFO " http://www.scyld.com/network/sundance.html\n"; +KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " Written by Donald Becker\n"; MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); MODULE_DESCRIPTION("Sundance Alta Ethernet driver"); diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e5e901ecd808..923b9c725cc3 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -3716,10 +3716,8 @@ static void tg3_reset_task(struct work_struct *work) unsigned int restart_timer; tg3_full_lock(tp, 0); - tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK; if (!netif_running(tp->dev)) { - tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK; tg3_full_unlock(tp); return; } @@ -3750,8 +3748,6 @@ static void tg3_reset_task(struct work_struct *work) mod_timer(&tp->timer, jiffies + 1); out: - tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK; - tg3_full_unlock(tp); } @@ -7390,12 +7386,7 @@ static int tg3_close(struct net_device *dev) { struct tg3 *tp = netdev_priv(dev); - /* Calling flush_scheduled_work() may deadlock because - * linkwatch_event() may be on the workqueue and it will try to get - * the rtnl_lock which we are holding. - */ - while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK) - msleep(1); + cancel_work_sync(&tp->reset_task); netif_stop_queue(dev); diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 4d334cf5a243..bd9f4f428e5b 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2228,7 +2228,7 @@ struct tg3 { #define TG3_FLAG_JUMBO_RING_ENABLE 0x00800000 #define TG3_FLAG_10_100_ONLY 0x01000000 #define TG3_FLAG_PAUSE_AUTONEG 0x02000000 -#define TG3_FLAG_IN_RESET_TASK 0x04000000 + #define TG3_FLAG_40BIT_DMA_BUG 0x08000000 #define TG3_FLAG_BROKEN_CHECKSUMS 0x10000000 #define TG3_FLAG_SUPPORT_MSI 0x20000000 diff --git a/drivers/net/tulip/interrupt.c b/drivers/net/tulip/interrupt.c index 9b08afbd1f65..ea896777bcaf 100644 --- a/drivers/net/tulip/interrupt.c +++ b/drivers/net/tulip/interrupt.c @@ -269,7 +269,7 @@ done: This would turn on IM for devices that is not contributing to backlog congestion with unnecessary latency. - We monitor the the device RX-ring and have: + We monitor the device RX-ring and have: HW Interrupt Mitigation either ON or OFF. diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c index fa440706fb4a..38f3b99716b8 100644 --- a/drivers/net/tulip/winbond-840.c +++ b/drivers/net/tulip/winbond-840.c @@ -1021,7 +1021,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev) np->tx_ring[entry].length |= DescEndRing; /* Now acquire the irq spinlock. - * The difficult race is the the ordering between + * The difficult race is the ordering between * increasing np->cur_tx and setting DescOwned: * - if np->cur_tx is increased first the interrupt * handler could consider the packet as transmitted diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c index 985a1810ca59..2470b1ee33c0 100644 --- a/drivers/net/tulip/xircom_cb.c +++ b/drivers/net/tulip/xircom_cb.c @@ -1043,7 +1043,7 @@ static int enable_promisc(struct xircom_private *card) /* -link_status() checks the the links status and will return 0 for no link, 10 for 10mbit link and 100 for.. guess what. +link_status() checks the links status and will return 0 for no link, 10 for 10mbit link and 100 for.. guess what. Must be called in locked state with interrupts disabled */ diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c index f2dd7763cd0b..f72573594121 100644 --- a/drivers/net/typhoon.c +++ b/drivers/net/typhoon.c @@ -639,7 +639,7 @@ typhoon_issue_command(struct typhoon *tp, int num_cmd, struct cmd_desc *cmd, typhoon_inc_cmd_index(&ring->lastWrite, num_cmd); - /* "I feel a presence... another warrior is on the the mesa." + /* "I feel a presence... another warrior is on the mesa." */ wmb(); iowrite32(ring->lastWrite, tp->ioaddr + TYPHOON_REG_CMD_READY); diff --git a/drivers/net/wireless/airport.c b/drivers/net/wireless/airport.c index 38fac3bbcd82..7d5b8c2cc614 100644 --- a/drivers/net/wireless/airport.c +++ b/drivers/net/wireless/airport.c @@ -149,7 +149,7 @@ static int airport_hard_reset(struct orinoco_private *priv) /* Vitally important. If we don't do this it seems we get an * interrupt somewhere during the power cycle, since * hw_unavailable is already set it doesn't get ACKed, we get - * into an interrupt loop and the the PMU decides to turn us + * into an interrupt loop and the PMU decides to turn us * off. */ disable_irq(dev->irq); diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 841b3c136ad9..283be4a70524 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -3054,7 +3054,7 @@ static const iw_handler prism54_handler[] = { (iw_handler) prism54_set_wap, /* SIOCSIWAP */ (iw_handler) prism54_get_wap, /* SIOCGIWAP */ (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL, /* SIOCGIWAPLIST depreciated */ + (iw_handler) NULL, /* SIOCGIWAPLIST deprecated */ (iw_handler) prism54_set_scan, /* SIOCSIWSCAN */ (iw_handler) prism54_get_scan, /* SIOCGIWSCAN */ (iw_handler) prism54_set_essid, /* SIOCSIWESSID */ diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index a037b11dac9d..084795355b74 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -115,7 +115,7 @@ isl_upload_firmware(islpci_private *priv) ISL38XX_MEMORY_WINDOW_SIZE : fw_len; u32 __iomem *dev_fw_ptr = device_base + ISL38XX_DIRECT_MEM_WIN; - /* set the cards base address for writting the data */ + /* set the card's base address for writing the data */ isl38xx_w32_flush(device_base, reg, ISL38XX_DIR_MEM_BASE_REG); wmb(); /* be paranoid */ diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index 67b867f837ca..5740d4d4267c 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -176,7 +176,7 @@ psa_write(struct net_device * dev, volatile u_char __iomem *verify = lp->mem + PSA_ADDR + (psaoff(0, psa_comp_number) << 1); - /* Authorize writting to PSA */ + /* Authorize writing to PSA */ hacr_write(base, HACR_PWR_STAT | HACR_ROM_WEN); while(n-- > 0) @@ -1676,7 +1676,7 @@ wv_set_frequency(u_long base, /* i/o port of the card */ fee_write(base, 0x60, dac, 2); - /* We now should verify here that the EEprom writting was ok */ + /* We now should verify here that the EEprom writing was ok */ /* ReRead the first area */ fee_read(base, 0x00, diff --git a/drivers/net/wireless/wavelan_cs.p.h b/drivers/net/wireless/wavelan_cs.p.h index 4d1c4905c749..4b9de0093a7b 100644 --- a/drivers/net/wireless/wavelan_cs.p.h +++ b/drivers/net/wireless/wavelan_cs.p.h @@ -120,7 +120,7 @@ * the Wavelan itself (NCR -> AT&T -> Lucent). * * All started with Anders Klemets <klemets@paul.rutgers.edu>, - * writting a Wavelan ISA driver for the MACH microkernel. Girish + * writing a Wavelan ISA driver for the MACH microkernel. Girish * Welling <welling@paul.rutgers.edu> had also worked on it. * Keith Moore modify this for the Pcmcia hardware. * diff --git a/drivers/net/yellowfin.c b/drivers/net/yellowfin.c index 3f4a7cf9efea..f2a90a7fa2d6 100644 --- a/drivers/net/yellowfin.c +++ b/drivers/net/yellowfin.c @@ -109,7 +109,6 @@ static int gx_fix; /* These identify the driver base version and may not be removed. */ static char version[] __devinitdata = KERN_INFO DRV_NAME ".c:v1.05 1/09/2001 Written by Donald Becker <becker@scyld.com>\n" -KERN_INFO " http://www.scyld.com/network/yellowfin.html\n" KERN_INFO " (unofficial 2.4.x port, " DRV_VERSION ", " DRV_RELDATE ")\n"; MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 3bb7739d26a5..8e58ea3d95c0 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -119,7 +119,7 @@ static inline int pci_create_newid_file(struct pci_driver *drv) * system is in its list of supported devices. Returns the matching * pci_device_id structure or %NULL if there is no match. * - * Depreciated, don't use this as it will not catch any dynamic ids + * Deprecated, don't use this as it will not catch any dynamic ids * that a driver might want to check for. */ const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 5e439836db2d..76422eded36e 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -98,7 +98,7 @@ config RTC_INTF_DEV_UIE_EMUL bool "RTC UIE emulation on dev interface" depends on RTC_INTF_DEV help - Provides an emulation for RTC_UIE if the underlaying rtc chip + Provides an emulation for RTC_UIE if the underlying rtc chip driver does not expose RTC_UIE ioctls. Those requests generate once-per-second update interrupts, used for synchronization. diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 6abf4811958c..e0f91dfce0f5 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -104,7 +104,7 @@ static irqreturn_t sh_rtc_interrupt(int irq, void *dev_id) writeb(tmp, rtc->regbase + RCR1); - rtc_update_irq(&rtc->rtc_dev, 1, events); + rtc_update_irq(rtc->rtc_dev, 1, events); spin_unlock(&rtc->lock); @@ -139,7 +139,7 @@ static irqreturn_t sh_rtc_alarm(int irq, void *dev_id) rtc->rearm_aie = 1; - rtc_update_irq(&rtc->rtc_dev, 1, events); + rtc_update_irq(rtc->rtc_dev, 1, events); } spin_unlock(&rtc->lock); @@ -153,7 +153,7 @@ static irqreturn_t sh_rtc_periodic(int irq, void *dev_id) spin_lock(&rtc->lock); - rtc_update_irq(&rtc->rtc_dev, 1, RTC_PF | RTC_IRQF); + rtc_update_irq(rtc->rtc_dev, 1, RTC_PF | RTC_IRQF); spin_unlock(&rtc->lock); @@ -341,7 +341,7 @@ static int sh_rtc_read_time(struct device *dev, struct rtc_time *tm) tm->tm_sec--; #endif - dev_dbg(&dev, "%s: tm is secs=%d, mins=%d, hours=%d, " + dev_dbg(dev, "%s: tm is secs=%d, mins=%d, hours=%d, " "mday=%d, mon=%d, year=%d, wday=%d\n", __FUNCTION__, tm->tm_sec, tm->tm_min, tm->tm_hour, diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c index bbd5b8b66f42..d6b06ab81188 100644 --- a/drivers/s390/char/sclp_rw.c +++ b/drivers/s390/char/sclp_rw.c @@ -23,7 +23,7 @@ /* * The room for the SCCB (only for writing) is not equal to a pages size - * (as it is specified as the maximum size in the the SCLP documentation) + * (as it is specified as the maximum size in the SCLP documentation) * because of the additional data structure described above. */ #define MAX_SCCB_ROOM (PAGE_SIZE - sizeof(struct sclp_buffer)) diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 29d176036e5c..0b96d49dd636 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -2860,7 +2860,7 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, if (!atomic_read(&queue->set_pci_flags_count)){ /* * there's no outstanding PCI any more, so we - * have to request a PCI to be sure the the PCI + * have to request a PCI to be sure that the PCI * will wake at some time in the future then we * can flush packed buffers that might still be * hanging around, which can happen if no diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index cb08ca3cc0f9..bdf5782b8a7a 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -222,7 +222,7 @@ zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, unsigned int status, * Since we have been using this adapter, it is save to assume * that it is not failed but recoverable. The card seems to * report link-up events by self-initiated queue shutdown. - * That is why we need to clear the the link-down flag + * That is why we need to clear the link-down flag * which is set again in case we have missed by a mile. */ zfcp_erp_adapter_reopen( diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c index 74b999d77bbf..4fab0c23814c 100644 --- a/drivers/sbus/char/bpp.c +++ b/drivers/sbus/char/bpp.c @@ -156,7 +156,7 @@ static unsigned short get_pins(unsigned minor) #define BPP_ICR 0x18 #define BPP_SIZE 0x1A -/* BPP_CSR. Bits of type RW1 are cleared with writting '1'. */ +/* BPP_CSR. Bits of type RW1 are cleared with writing '1'. */ #define P_DEV_ID_MASK 0xf0000000 /* R */ #define P_DEV_ID_ZEBRA 0x40000000 #define P_DEV_ID_L64854 0xa0000000 /* == NCR 89C100+89C105. Pity. */ diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c index 8d72bbae96ad..0bada0028aa0 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_pci.c @@ -966,7 +966,7 @@ ahd_aic790X_setup(struct ahd_softc *ahd) | AHD_BUSFREEREV_BUG; ahd->bugs |= AHD_LQOOVERRUN_BUG|AHD_EARLY_REQ_BUG; - /* If the user requested the the SLOWCRC bit to be set. */ + /* If the user requested that the SLOWCRC bit to be set. */ if (aic79xx_slowcrc) ahd->features |= AHD_AIC79XXB_SLOWCRC; diff --git a/drivers/scsi/aic94xx/Makefile b/drivers/scsi/aic94xx/Makefile index e6b70123940c..e78ce0fa44d2 100644 --- a/drivers/scsi/aic94xx/Makefile +++ b/drivers/scsi/aic94xx/Makefile @@ -6,7 +6,7 @@ # # This file is licensed under GPLv2. # -# This file is part of the the aic94xx driver. +# This file is part of the aic94xx driver. # # The aic94xx driver is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License as diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index a965ed3548d5..564ea90ed3a0 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -541,7 +541,7 @@ static struct ParameterData __devinitdata cfg_data[] = { /* - * Safe settings. If set to zero the the BIOS/default values with + * Safe settings. If set to zero the BIOS/default values with * command line overrides will be used. If set to 1 then safe and * slow settings will be used. */ @@ -617,7 +617,7 @@ static void __devinit fix_settings(void) /* * Mapping from the eeprom delay index value (index into this array) - * to the the number of actual seconds that the delay should be for. + * to the number of actual seconds that the delay should be for. */ static char __devinitdata eeprom_index_to_delay_map[] = { 1, 3, 5, 10, 16, 30, 60, 120 }; @@ -4136,7 +4136,7 @@ static void __devinit trms1040_write_all(struct NvRamType *eeprom, unsigned long * @io_port: base I/O address * @addr: offset into SEEPROM * - * Returns the the byte read. + * Returns the byte read. **/ static u8 __devinit trms1040_get_data(unsigned long io_port, u8 addr) { diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 61fbcdcbb009..1f5a07bf2a75 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -173,7 +173,7 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason) * @retries: number of times to retry request * @flags: or into request flags; * - * returns the req->errors value which is the the scsi_cmnd result + * returns the req->errors value which is the scsi_cmnd result * field. **/ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index 66e7bc985797..1d8a2f6bb8eb 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -22,10 +22,7 @@ #include <asm/io.h> #include <asm/arch/board.h> #include <asm/arch/gpio.h> - -#ifdef CONFIG_ARCH_AT91 #include <asm/arch/cpu.h> -#endif #include "atmel_spi.h" @@ -552,10 +549,8 @@ static int __init atmel_spi_probe(struct platform_device *pdev) goto out_free_buffer; as->irq = irq; as->clk = clk; -#ifdef CONFIG_ARCH_AT91 if (!cpu_is_at91rm9200()) as->new_1 = 1; -#endif ret = request_irq(irq, atmel_spi_interrupt, 0, pdev->dev.bus_id, master); diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index b082d95bbbaa..11e9b15ca45a 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -1033,7 +1033,7 @@ static int usbatm_do_heavy_init(void *arg) static int usbatm_heavy_init(struct usbatm_data *instance) { - int ret = kernel_thread(usbatm_do_heavy_init, instance, CLONE_KERNEL); + int ret = kernel_thread(usbatm_do_heavy_init, instance, CLONE_FS | CLONE_FILES); if (ret < 0) { usb_err(instance, "%s: failed to create kernel_thread (%d)!\n", __func__, ret); diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index b5332e679c46..88fb56d5db8f 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -1307,7 +1307,7 @@ static int auerswald_addservice (pauerswald_t cp, pauerscon_t scp) } -/* remove a service from the the device +/* remove a service from the device scp->id must be set! */ static void auerswald_removeservice (pauerswald_t cp, pauerscon_t scp) { diff --git a/drivers/usb/net/usbnet.h b/drivers/usb/net/usbnet.h index cbb53e065d6c..82db5a8e528e 100644 --- a/drivers/usb/net/usbnet.h +++ b/drivers/usb/net/usbnet.h @@ -129,7 +129,7 @@ extern void usbnet_disconnect(struct usb_interface *); /* Drivers that reuse some of the standard USB CDC infrastructure - * (notably, using multiple interfaces according to the the CDC + * (notably, using multiple interfaces according to the CDC * union descriptor) get some helper code. */ struct cdc_state { diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index ba5d1dc03036..3efe67092f15 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -558,7 +558,7 @@ config USB_SERIAL_DEBUG tristate "USB Debugging Device" depends on USB_SERIAL help - Say Y here if you have a USB debugging device used to recieve + Say Y here if you have a USB debugging device used to receive debugging data from another machine. The most common of these devices is the NetChip TurboCONNECT device. diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index b675735bfbee..fbc8c27d5d99 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -9,7 +9,7 @@ * The device works as an standard CDC device, it has 2 interfaces, the first * one is for firmware access and the second is the serial one. * The protocol is very simply, there are two posibilities reading or writing. - * When writting the first urb must have a Header that starts with 0x20 0x29 the + * When writing the first urb must have a Header that starts with 0x20 0x29 the * next two bytes must say how much data will be sended. * When reading the process is almost equal except that the header starts with * 0x00 0x20. @@ -18,7 +18,7 @@ * buffer: The First and Second byte is used for a Header, the Third and Fourth * tells the device the amount of information the package holds. * Packages are 60 bytes long Header Stuff. - * When writting to the device the first two bytes of the header are 0x20 0x29 + * When writing to the device the first two bytes of the header are 0x20 0x29 * When reading the bytes are 0x00 0x20, or 0x00 0x10, there is an strange * situation, when too much data arrives to the device because it sends the data * but with out the header. I will use a simply hack to override this situation, diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 18f74ac76565..4807f960150b 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -2465,7 +2465,7 @@ static int send_cmd_write_uart_register (struct edgeport_port *edge_port, __u8 r ((edge_serial->is_epic) && (!edge_serial->epic_descriptor.Supports.IOSPWriteMCR) && (regNum == MCR))) { - dbg("SendCmdWriteUartReg - Not writting to MCR Register"); + dbg("SendCmdWriteUartReg - Not writing to MCR Register"); return 0; } @@ -2473,7 +2473,7 @@ static int send_cmd_write_uart_register (struct edgeport_port *edge_port, __u8 r ((edge_serial->is_epic) && (!edge_serial->epic_descriptor.Supports.IOSPWriteLCR) && (regNum == LCR))) { - dbg ("SendCmdWriteUartReg - Not writting to LCR Register"); + dbg ("SendCmdWriteUartReg - Not writing to LCR Register"); return 0; } diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 1132ba5ff391..9a256d2ff9dc 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1348,6 +1348,20 @@ config FB_VOODOO1 Please read the <file:Documentation/fb/README-sstfb.txt> for supported options and other important info support. +config FB_VT8623 + tristate "VIA VT8623 support" + depends on FB && PCI + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + select FB_TILEBLITTING + select FB_SVGALIB + select VGASTATE + select FONT_8x16 if FRAMEBUFFER_CONSOLE + ---help--- + Driver for CastleRock integrated graphics core in the + VIA VT8623 [Apollo CLE266] chipset. + config FB_CYBLA tristate "Cyberblade/i1 support" depends on FB && PCI && X86_32 && !64BIT @@ -1401,6 +1415,20 @@ config FB_TRIDENT_ACCEL This will compile the Trident frame buffer device with acceleration functions. +config FB_ARK + tristate "ARK 2000PV support" + depends on FB && PCI + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + select FB_TILEBLITTING + select FB_SVGALIB + select VGASTATE + select FONT_8x16 if FRAMEBUFFER_CONSOLE + ---help--- + Driver for PCI graphics boards with ARK 2000PV chip + and ICS 5342 RAMDAC. + config FB_PM3 tristate "Permedia3 support" depends on FB && PCI && BROKEN diff --git a/drivers/video/Makefile b/drivers/video/Makefile index a916c204274f..0b70567458fb 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -54,10 +54,12 @@ obj-$(CONFIG_FB_VALKYRIE) += valkyriefb.o obj-$(CONFIG_FB_CT65550) += chipsfb.o obj-$(CONFIG_FB_IMSTT) += imsttfb.o obj-$(CONFIG_FB_FM2) += fm2fb.o +obj-$(CONFIG_FB_VT8623) += vt8623fb.o obj-$(CONFIG_FB_CYBLA) += cyblafb.o obj-$(CONFIG_FB_TRIDENT) += tridentfb.o obj-$(CONFIG_FB_LE80578) += vermilion/ obj-$(CONFIG_FB_S3) += s3fb.o +obj-$(CONFIG_FB_ARK) += arkfb.o obj-$(CONFIG_FB_STI) += stifb.o obj-$(CONFIG_FB_FFB) += ffb.o sbuslib.o obj-$(CONFIG_FB_CG6) += cg6.o sbuslib.o diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c new file mode 100644 index 000000000000..ba6fede5c466 --- /dev/null +++ b/drivers/video/arkfb.c @@ -0,0 +1,1200 @@ +/* + * linux/drivers/video/arkfb.c -- Frame buffer device driver for ARK 2000PV + * with ICS 5342 dac (it is easy to add support for different dacs). + * + * Copyright (c) 2007 Ondrej Zajicek <santiago@crfreenet.org> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * Code is based on s3fb + */ + +#include <linux/version.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/svga.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */ +#include <video/vga.h> + +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +struct arkfb_info { + int mclk_freq; + int mtrr_reg; + + struct dac_info *dac; + struct vgastate state; + struct mutex open_lock; + unsigned int ref_count; + u32 pseudo_palette[16]; +}; + + +/* ------------------------------------------------------------------------- */ + + +static const struct svga_fb_format arkfb_formats[] = { + { 0, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 0, + FB_TYPE_TEXT, FB_AUX_TEXT_SVGA_STEP4, FB_VISUAL_PSEUDOCOLOR, 8, 8}, + { 4, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_PSEUDOCOLOR, 8, 16}, + { 4, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 1, + FB_TYPE_INTERLEAVED_PLANES, 1, FB_VISUAL_PSEUDOCOLOR, 8, 16}, + { 8, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_PSEUDOCOLOR, 8, 8}, + {16, {10, 5, 0}, {5, 5, 0}, {0, 5, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_TRUECOLOR, 4, 4}, + {16, {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_TRUECOLOR, 4, 4}, + {24, {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_TRUECOLOR, 8, 8}, + {32, {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_TRUECOLOR, 2, 2}, + SVGA_FORMAT_END +}; + + +/* CRT timing register sets */ + +static const struct vga_regset ark_h_total_regs[] = {{0x00, 0, 7}, {0x41, 7, 7}, VGA_REGSET_END}; +static const struct vga_regset ark_h_display_regs[] = {{0x01, 0, 7}, {0x41, 6, 6}, VGA_REGSET_END}; +static const struct vga_regset ark_h_blank_start_regs[] = {{0x02, 0, 7}, {0x41, 5, 5}, VGA_REGSET_END}; +static const struct vga_regset ark_h_blank_end_regs[] = {{0x03, 0, 4}, {0x05, 7, 7 }, VGA_REGSET_END}; +static const struct vga_regset ark_h_sync_start_regs[] = {{0x04, 0, 7}, {0x41, 4, 4}, VGA_REGSET_END}; +static const struct vga_regset ark_h_sync_end_regs[] = {{0x05, 0, 4}, VGA_REGSET_END}; + +static const struct vga_regset ark_v_total_regs[] = {{0x06, 0, 7}, {0x07, 0, 0}, {0x07, 5, 5}, {0x40, 7, 7}, VGA_REGSET_END}; +static const struct vga_regset ark_v_display_regs[] = {{0x12, 0, 7}, {0x07, 1, 1}, {0x07, 6, 6}, {0x40, 6, 6}, VGA_REGSET_END}; +static const struct vga_regset ark_v_blank_start_regs[] = {{0x15, 0, 7}, {0x07, 3, 3}, {0x09, 5, 5}, {0x40, 5, 5}, VGA_REGSET_END}; +// const struct vga_regset ark_v_blank_end_regs[] = {{0x16, 0, 6}, VGA_REGSET_END}; +static const struct vga_regset ark_v_blank_end_regs[] = {{0x16, 0, 7}, VGA_REGSET_END}; +static const struct vga_regset ark_v_sync_start_regs[] = {{0x10, 0, 7}, {0x07, 2, 2}, {0x07, 7, 7}, {0x40, 4, 4}, VGA_REGSET_END}; +static const struct vga_regset ark_v_sync_end_regs[] = {{0x11, 0, 3}, VGA_REGSET_END}; + +static const struct vga_regset ark_line_compare_regs[] = {{0x18, 0, 7}, {0x07, 4, 4}, {0x09, 6, 6}, VGA_REGSET_END}; +static const struct vga_regset ark_start_address_regs[] = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x40, 0, 2}, VGA_REGSET_END}; +static const struct vga_regset ark_offset_regs[] = {{0x13, 0, 7}, {0x41, 3, 3}, VGA_REGSET_END}; + +static const struct svga_timing_regs ark_timing_regs = { + ark_h_total_regs, ark_h_display_regs, ark_h_blank_start_regs, + ark_h_blank_end_regs, ark_h_sync_start_regs, ark_h_sync_end_regs, + ark_v_total_regs, ark_v_display_regs, ark_v_blank_start_regs, + ark_v_blank_end_regs, ark_v_sync_start_regs, ark_v_sync_end_regs, +}; + + +/* ------------------------------------------------------------------------- */ + + +/* Module parameters */ + +static char *mode = "640x480-8@60"; + +#ifdef CONFIG_MTRR +static int mtrr = 1; +#endif + +MODULE_AUTHOR("(c) 2007 Ondrej Zajicek <santiago@crfreenet.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("fbdev driver for ARK 2000PV"); + +module_param(mode, charp, 0444); +MODULE_PARM_DESC(mode, "Default video mode ('640x480-8@60', etc)"); + +#ifdef CONFIG_MTRR +module_param(mtrr, int, 0444); +MODULE_PARM_DESC(mtrr, "Enable write-combining with MTRR (1=enable, 0=disable, default=1)"); +#endif + +static int threshold = 4; + +module_param(threshold, int, 0644); +MODULE_PARM_DESC(threshold, "FIFO threshold"); + + +/* ------------------------------------------------------------------------- */ + + +static void arkfb_settile(struct fb_info *info, struct fb_tilemap *map) +{ + const u8 *font = map->data; + u8 __iomem *fb = (u8 __iomem *)info->screen_base; + int i, c; + + if ((map->width != 8) || (map->height != 16) || + (map->depth != 1) || (map->length != 256)) { + printk(KERN_ERR "fb%d: unsupported font parameters: width %d, " + "height %d, depth %d, length %d\n", info->node, + map->width, map->height, map->depth, map->length); + return; + } + + fb += 2; + for (c = 0; c < map->length; c++) { + for (i = 0; i < map->height; i++) { + fb_writeb(font[i], &fb[i * 4]); + fb_writeb(font[i], &fb[i * 4 + (128 * 8)]); + } + fb += 128; + + if ((c % 8) == 7) + fb += 128*8; + + font += map->height; + } +} + +static struct fb_tile_ops arkfb_tile_ops = { + .fb_settile = arkfb_settile, + .fb_tilecopy = svga_tilecopy, + .fb_tilefill = svga_tilefill, + .fb_tileblit = svga_tileblit, + .fb_tilecursor = svga_tilecursor, + .fb_get_tilemax = svga_get_tilemax, +}; + + +/* ------------------------------------------------------------------------- */ + + +/* image data is MSB-first, fb structure is MSB-first too */ +static inline u32 expand_color(u32 c) +{ + return ((c & 1) | ((c & 2) << 7) | ((c & 4) << 14) | ((c & 8) << 21)) * 0xFF; +} + +/* arkfb_iplan_imageblit silently assumes that almost everything is 8-pixel aligned */ +static void arkfb_iplan_imageblit(struct fb_info *info, const struct fb_image *image) +{ + u32 fg = expand_color(image->fg_color); + u32 bg = expand_color(image->bg_color); + const u8 *src1, *src; + u8 __iomem *dst1; + u32 __iomem *dst; + u32 val; + int x, y; + + src1 = image->data; + dst1 = info->screen_base + (image->dy * info->fix.line_length) + + ((image->dx / 8) * 4); + + for (y = 0; y < image->height; y++) { + src = src1; + dst = (u32 __iomem *) dst1; + for (x = 0; x < image->width; x += 8) { + val = *(src++) * 0x01010101; + val = (val & fg) | (~val & bg); + fb_writel(val, dst++); + } + src1 += image->width / 8; + dst1 += info->fix.line_length; + } + +} + +/* arkfb_iplan_fillrect silently assumes that almost everything is 8-pixel aligned */ +static void arkfb_iplan_fillrect(struct fb_info *info, const struct fb_fillrect *rect) +{ + u32 fg = expand_color(rect->color); + u8 __iomem *dst1; + u32 __iomem *dst; + int x, y; + + dst1 = info->screen_base + (rect->dy * info->fix.line_length) + + ((rect->dx / 8) * 4); + + for (y = 0; y < rect->height; y++) { + dst = (u32 __iomem *) dst1; + for (x = 0; x < rect->width; x += 8) { + fb_writel(fg, dst++); + } + dst1 += info->fix.line_length; + } + +} + + +/* image data is MSB-first, fb structure is high-nibble-in-low-byte-first */ +static inline u32 expand_pixel(u32 c) +{ + return (((c & 1) << 24) | ((c & 2) << 27) | ((c & 4) << 14) | ((c & 8) << 17) | + ((c & 16) << 4) | ((c & 32) << 7) | ((c & 64) >> 6) | ((c & 128) >> 3)) * 0xF; +} + +/* arkfb_cfb4_imageblit silently assumes that almost everything is 8-pixel aligned */ +static void arkfb_cfb4_imageblit(struct fb_info *info, const struct fb_image *image) +{ + u32 fg = image->fg_color * 0x11111111; + u32 bg = image->bg_color * 0x11111111; + const u8 *src1, *src; + u8 __iomem *dst1; + u32 __iomem *dst; + u32 val; + int x, y; + + src1 = image->data; + dst1 = info->screen_base + (image->dy * info->fix.line_length) + + ((image->dx / 8) * 4); + + for (y = 0; y < image->height; y++) { + src = src1; + dst = (u32 __iomem *) dst1; + for (x = 0; x < image->width; x += 8) { + val = expand_pixel(*(src++)); + val = (val & fg) | (~val & bg); + fb_writel(val, dst++); + } + src1 += image->width / 8; + dst1 += info->fix.line_length; + } + +} + +static void arkfb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + if ((info->var.bits_per_pixel == 4) && (image->depth == 1) + && ((image->width % 8) == 0) && ((image->dx % 8) == 0)) { + if (info->fix.type == FB_TYPE_INTERLEAVED_PLANES) + arkfb_iplan_imageblit(info, image); + else + arkfb_cfb4_imageblit(info, image); + } else + cfb_imageblit(info, image); +} + +static void arkfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) +{ + if ((info->var.bits_per_pixel == 4) + && ((rect->width % 8) == 0) && ((rect->dx % 8) == 0) + && (info->fix.type == FB_TYPE_INTERLEAVED_PLANES)) + arkfb_iplan_fillrect(info, rect); + else + cfb_fillrect(info, rect); +} + + +/* ------------------------------------------------------------------------- */ + + +enum +{ + DAC_PSEUDO8_8, + DAC_RGB1555_8, + DAC_RGB0565_8, + DAC_RGB0888_8, + DAC_RGB8888_8, + DAC_PSEUDO8_16, + DAC_RGB1555_16, + DAC_RGB0565_16, + DAC_RGB0888_16, + DAC_RGB8888_16, + DAC_MAX +}; + +struct dac_ops { + int (*dac_get_mode)(struct dac_info *info); + int (*dac_set_mode)(struct dac_info *info, int mode); + int (*dac_get_freq)(struct dac_info *info, int channel); + int (*dac_set_freq)(struct dac_info *info, int channel, u32 freq); + void (*dac_release)(struct dac_info *info); +}; + +typedef void (*dac_read_regs_t)(void *data, u8 *code, int count); +typedef void (*dac_write_regs_t)(void *data, u8 *code, int count); + +struct dac_info +{ + struct dac_ops *dacops; + dac_read_regs_t dac_read_regs; + dac_write_regs_t dac_write_regs; + void *data; +}; + + +static inline u8 dac_read_reg(struct dac_info *info, u8 reg) +{ + u8 code[2] = {reg, 0}; + info->dac_read_regs(info->data, code, 1); + return code[1]; +} + +static inline void dac_read_regs(struct dac_info *info, u8 *code, int count) +{ + info->dac_read_regs(info->data, code, count); +} + +static inline void dac_write_reg(struct dac_info *info, u8 reg, u8 val) +{ + u8 code[2] = {reg, val}; + info->dac_write_regs(info->data, code, 1); +} + +static inline void dac_write_regs(struct dac_info *info, u8 *code, int count) +{ + info->dac_write_regs(info->data, code, count); +} + +static inline int dac_set_mode(struct dac_info *info, int mode) +{ + return info->dacops->dac_set_mode(info, mode); +} + +static inline int dac_set_freq(struct dac_info *info, int channel, u32 freq) +{ + return info->dacops->dac_set_freq(info, channel, freq); +} + +static inline void dac_release(struct dac_info *info) +{ + info->dacops->dac_release(info); +} + + +/* ------------------------------------------------------------------------- */ + + +/* ICS5342 DAC */ + +struct ics5342_info +{ + struct dac_info dac; + u8 mode; +}; + +#define DAC_PAR(info) ((struct ics5342_info *) info) + +/* LSB is set to distinguish unused slots */ +static const u8 ics5342_mode_table[DAC_MAX] = { + [DAC_PSEUDO8_8] = 0x01, [DAC_RGB1555_8] = 0x21, [DAC_RGB0565_8] = 0x61, + [DAC_RGB0888_8] = 0x41, [DAC_PSEUDO8_16] = 0x11, [DAC_RGB1555_16] = 0x31, + [DAC_RGB0565_16] = 0x51, [DAC_RGB0888_16] = 0x91, [DAC_RGB8888_16] = 0x71 +}; + +static int ics5342_set_mode(struct dac_info *info, int mode) +{ + u8 code; + + if (mode >= DAC_MAX) + return -EINVAL; + + code = ics5342_mode_table[mode]; + + if (! code) + return -EINVAL; + + dac_write_reg(info, 6, code & 0xF0); + DAC_PAR(info)->mode = mode; + + return 0; +} + +static const struct svga_pll ics5342_pll = {3, 129, 3, 33, 0, 3, + 60000, 250000, 14318}; + +/* pd4 - allow only posdivider 4 (r=2) */ +static const struct svga_pll ics5342_pll_pd4 = {3, 129, 3, 33, 2, 2, + 60000, 335000, 14318}; + +/* 270 MHz should be upper bound for VCO clock according to specs, + but that is too restrictive in pd4 case */ + +static int ics5342_set_freq(struct dac_info *info, int channel, u32 freq) +{ + u16 m, n, r; + + /* only postdivider 4 (r=2) is valid in mode DAC_PSEUDO8_16 */ + int rv = svga_compute_pll((DAC_PAR(info)->mode == DAC_PSEUDO8_16) + ? &ics5342_pll_pd4 : &ics5342_pll, + freq, &m, &n, &r, 0); + + if (rv < 0) { + return -EINVAL; + } else { + u8 code[6] = {4, 3, 5, m-2, 5, (n-2) | (r << 5)}; + dac_write_regs(info, code, 3); + return 0; + } +} + +static void ics5342_release(struct dac_info *info) +{ + ics5342_set_mode(info, DAC_PSEUDO8_8); + kfree(info); +} + +static struct dac_ops ics5342_ops = { + .dac_set_mode = ics5342_set_mode, + .dac_set_freq = ics5342_set_freq, + .dac_release = ics5342_release +}; + + +static struct dac_info * ics5342_init(dac_read_regs_t drr, dac_write_regs_t dwr, void *data) +{ + struct dac_info *info = kzalloc(sizeof(struct ics5342_info), GFP_KERNEL); + + if (! info) + return NULL; + + info->dacops = &ics5342_ops; + info->dac_read_regs = drr; + info->dac_write_regs = dwr; + info->data = data; + DAC_PAR(info)->mode = DAC_PSEUDO8_8; /* estimation */ + return info; +} + + +/* ------------------------------------------------------------------------- */ + + +static unsigned short dac_regs[4] = {0x3c8, 0x3c9, 0x3c6, 0x3c7}; + +static void ark_dac_read_regs(void *data, u8 *code, int count) +{ + u8 regval = vga_rseq(NULL, 0x1C); + + while (count != 0) + { + vga_wseq(NULL, 0x1C, regval | (code[0] & 4) ? 0x80 : 0); + code[1] = vga_r(NULL, dac_regs[code[0] & 3]); + count--; + code += 2; + } + + vga_wseq(NULL, 0x1C, regval); +} + +static void ark_dac_write_regs(void *data, u8 *code, int count) +{ + u8 regval = vga_rseq(NULL, 0x1C); + + while (count != 0) + { + vga_wseq(NULL, 0x1C, regval | (code[0] & 4) ? 0x80 : 0); + vga_w(NULL, dac_regs[code[0] & 3], code[1]); + count--; + code += 2; + } + + vga_wseq(NULL, 0x1C, regval); +} + + +static void ark_set_pixclock(struct fb_info *info, u32 pixclock) +{ + struct arkfb_info *par = info->par; + u8 regval; + + int rv = dac_set_freq(par->dac, 0, 1000000000 / pixclock); + if (rv < 0) { + printk(KERN_ERR "fb%d: cannot set requested pixclock, keeping old value\n", info->node); + return; + } + + /* Set VGA misc register */ + regval = vga_r(NULL, VGA_MIS_R); + vga_w(NULL, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); +} + + +/* Open framebuffer */ + +static int arkfb_open(struct fb_info *info, int user) +{ + struct arkfb_info *par = info->par; + + mutex_lock(&(par->open_lock)); + if (par->ref_count == 0) { + memset(&(par->state), 0, sizeof(struct vgastate)); + par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | VGA_SAVE_CMAP; + par->state.num_crtc = 0x60; + par->state.num_seq = 0x30; + save_vga(&(par->state)); + } + + par->ref_count++; + mutex_unlock(&(par->open_lock)); + + return 0; +} + +/* Close framebuffer */ + +static int arkfb_release(struct fb_info *info, int user) +{ + struct arkfb_info *par = info->par; + + mutex_lock(&(par->open_lock)); + if (par->ref_count == 0) { + mutex_unlock(&(par->open_lock)); + return -EINVAL; + } + + if (par->ref_count == 1) { + restore_vga(&(par->state)); + dac_set_mode(par->dac, DAC_PSEUDO8_8); + } + + par->ref_count--; + mutex_unlock(&(par->open_lock)); + + return 0; +} + +/* Validate passed in var */ + +static int arkfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + int rv, mem, step; + + /* Find appropriate format */ + rv = svga_match_format (arkfb_formats, var, NULL); + if (rv < 0) + { + printk(KERN_ERR "fb%d: unsupported mode requested\n", info->node); + return rv; + } + + /* Do not allow to have real resoulution larger than virtual */ + if (var->xres > var->xres_virtual) + var->xres_virtual = var->xres; + + if (var->yres > var->yres_virtual) + var->yres_virtual = var->yres; + + /* Round up xres_virtual to have proper alignment of lines */ + step = arkfb_formats[rv].xresstep - 1; + var->xres_virtual = (var->xres_virtual+step) & ~step; + + + /* Check whether have enough memory */ + mem = ((var->bits_per_pixel * var->xres_virtual) >> 3) * var->yres_virtual; + if (mem > info->screen_size) + { + printk(KERN_ERR "fb%d: not enough framebuffer memory (%d kB requested , %d kB available)\n", info->node, mem >> 10, (unsigned int) (info->screen_size >> 10)); + return -EINVAL; + } + + rv = svga_check_timings (&ark_timing_regs, var, info->node); + if (rv < 0) + { + printk(KERN_ERR "fb%d: invalid timings requested\n", info->node); + return rv; + } + + /* Interlaced mode is broken */ + if (var->vmode & FB_VMODE_INTERLACED) + return -EINVAL; + + return 0; +} + +/* Set video mode from par */ + +static int arkfb_set_par(struct fb_info *info) +{ + struct arkfb_info *par = info->par; + u32 value, mode, hmul, hdiv, offset_value, screen_size; + u32 bpp = info->var.bits_per_pixel; + u8 regval; + + if (bpp != 0) { + info->fix.ypanstep = 1; + info->fix.line_length = (info->var.xres_virtual * bpp) / 8; + + info->flags &= ~FBINFO_MISC_TILEBLITTING; + info->tileops = NULL; + + /* in 4bpp supports 8p wide tiles only, any tiles otherwise */ + info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0); + info->pixmap.blit_y = ~(u32)0; + + offset_value = (info->var.xres_virtual * bpp) / 64; + screen_size = info->var.yres_virtual * info->fix.line_length; + } else { + info->fix.ypanstep = 16; + info->fix.line_length = 0; + + info->flags |= FBINFO_MISC_TILEBLITTING; + info->tileops = &arkfb_tile_ops; + + /* supports 8x16 tiles only */ + info->pixmap.blit_x = 1 << (8 - 1); + info->pixmap.blit_y = 1 << (16 - 1); + + offset_value = info->var.xres_virtual / 16; + screen_size = (info->var.xres_virtual * info->var.yres_virtual) / 64; + } + + info->var.xoffset = 0; + info->var.yoffset = 0; + info->var.activate = FB_ACTIVATE_NOW; + + /* Unlock registers */ + svga_wcrt_mask(0x11, 0x00, 0x80); + + /* Blank screen and turn off sync */ + svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(0x17, 0x00, 0x80); + + /* Set default values */ + svga_set_default_gfx_regs(); + svga_set_default_atc_regs(); + svga_set_default_seq_regs(); + svga_set_default_crt_regs(); + svga_wcrt_multi(ark_line_compare_regs, 0xFFFFFFFF); + svga_wcrt_multi(ark_start_address_regs, 0); + + /* ARK specific initialization */ + svga_wseq_mask(0x10, 0x1F, 0x1F); /* enable linear framebuffer and full memory access */ + svga_wseq_mask(0x12, 0x03, 0x03); /* 4 MB linear framebuffer size */ + + vga_wseq(NULL, 0x13, info->fix.smem_start >> 16); + vga_wseq(NULL, 0x14, info->fix.smem_start >> 24); + vga_wseq(NULL, 0x15, 0); + vga_wseq(NULL, 0x16, 0); + + /* Set the FIFO threshold register */ + /* It is fascinating way to store 5-bit value in 8-bit register */ + regval = 0x10 | ((threshold & 0x0E) >> 1) | (threshold & 0x01) << 7 | (threshold & 0x10) << 1; + vga_wseq(NULL, 0x18, regval); + + /* Set the offset register */ + pr_debug("fb%d: offset register : %d\n", info->node, offset_value); + svga_wcrt_multi(ark_offset_regs, offset_value); + + /* fix for hi-res textmode */ + svga_wcrt_mask(0x40, 0x08, 0x08); + + if (info->var.vmode & FB_VMODE_DOUBLE) + svga_wcrt_mask(0x09, 0x80, 0x80); + else + svga_wcrt_mask(0x09, 0x00, 0x80); + + if (info->var.vmode & FB_VMODE_INTERLACED) + svga_wcrt_mask(0x44, 0x04, 0x04); + else + svga_wcrt_mask(0x44, 0x00, 0x04); + + hmul = 1; + hdiv = 1; + mode = svga_match_format(arkfb_formats, &(info->var), &(info->fix)); + + /* Set mode-specific register values */ + switch (mode) { + case 0: + pr_debug("fb%d: text mode\n", info->node); + svga_set_textmode_vga_regs(); + + vga_wseq(NULL, 0x11, 0x10); /* basic VGA mode */ + svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + dac_set_mode(par->dac, DAC_PSEUDO8_8); + + break; + case 1: + pr_debug("fb%d: 4 bit pseudocolor\n", info->node); + vga_wgfx(NULL, VGA_GFX_MODE, 0x40); + + vga_wseq(NULL, 0x11, 0x10); /* basic VGA mode */ + svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + dac_set_mode(par->dac, DAC_PSEUDO8_8); + break; + case 2: + pr_debug("fb%d: 4 bit pseudocolor, planar\n", info->node); + + vga_wseq(NULL, 0x11, 0x10); /* basic VGA mode */ + svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + dac_set_mode(par->dac, DAC_PSEUDO8_8); + break; + case 3: + pr_debug("fb%d: 8 bit pseudocolor\n", info->node); + + vga_wseq(NULL, 0x11, 0x16); /* 8bpp accel mode */ + + if (info->var.pixclock > 20000) { + pr_debug("fb%d: not using multiplex\n", info->node); + svga_wcrt_mask(0x46, 0x00, 0x04); /* 8bit pixel path */ + dac_set_mode(par->dac, DAC_PSEUDO8_8); + } else { + pr_debug("fb%d: using multiplex\n", info->node); + svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + dac_set_mode(par->dac, DAC_PSEUDO8_16); + hdiv = 2; + } + break; + case 4: + pr_debug("fb%d: 5/5/5 truecolor\n", info->node); + + vga_wseq(NULL, 0x11, 0x1A); /* 16bpp accel mode */ + svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + dac_set_mode(par->dac, DAC_RGB1555_16); + break; + case 5: + pr_debug("fb%d: 5/6/5 truecolor\n", info->node); + + vga_wseq(NULL, 0x11, 0x1A); /* 16bpp accel mode */ + svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + dac_set_mode(par->dac, DAC_RGB0565_16); + break; + case 6: + pr_debug("fb%d: 8/8/8 truecolor\n", info->node); + + vga_wseq(NULL, 0x11, 0x16); /* 8bpp accel mode ??? */ + svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + dac_set_mode(par->dac, DAC_RGB0888_16); + hmul = 3; + hdiv = 2; + break; + case 7: + pr_debug("fb%d: 8/8/8/8 truecolor\n", info->node); + + vga_wseq(NULL, 0x11, 0x1E); /* 32bpp accel mode */ + svga_wcrt_mask(0x46, 0x04, 0x04); /* 16bit pixel path */ + dac_set_mode(par->dac, DAC_RGB8888_16); + hmul = 2; + break; + default: + printk(KERN_ERR "fb%d: unsupported mode - bug\n", info->node); + return -EINVAL; + } + + ark_set_pixclock(info, (hdiv * info->var.pixclock) / hmul); + svga_set_timings(&ark_timing_regs, &(info->var), hmul, hdiv, + (info->var.vmode & FB_VMODE_DOUBLE) ? 2 : 1, + (info->var.vmode & FB_VMODE_INTERLACED) ? 2 : 1, + hmul, info->node); + + /* Set interlaced mode start/end register */ + value = info->var.xres + info->var.left_margin + info->var.right_margin + info->var.hsync_len; + value = ((value * hmul / hdiv) / 8) - 5; + vga_wcrt(NULL, 0x42, (value + 1) / 2); + + memset_io(info->screen_base, 0x00, screen_size); + /* Device and screen back on */ + svga_wcrt_mask(0x17, 0x80, 0x80); + svga_wseq_mask(0x01, 0x00, 0x20); + + return 0; +} + +/* Set a colour register */ + +static int arkfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *fb) +{ + switch (fb->var.bits_per_pixel) { + case 0: + case 4: + if (regno >= 16) + return -EINVAL; + + if ((fb->var.bits_per_pixel == 4) && + (fb->var.nonstd == 0)) { + outb(0xF0, VGA_PEL_MSK); + outb(regno*16, VGA_PEL_IW); + } else { + outb(0x0F, VGA_PEL_MSK); + outb(regno, VGA_PEL_IW); + } + outb(red >> 10, VGA_PEL_D); + outb(green >> 10, VGA_PEL_D); + outb(blue >> 10, VGA_PEL_D); + break; + case 8: + if (regno >= 256) + return -EINVAL; + + outb(0xFF, VGA_PEL_MSK); + outb(regno, VGA_PEL_IW); + outb(red >> 10, VGA_PEL_D); + outb(green >> 10, VGA_PEL_D); + outb(blue >> 10, VGA_PEL_D); + break; + case 16: + if (regno >= 16) + return 0; + + if (fb->var.green.length == 5) + ((u32*)fb->pseudo_palette)[regno] = ((red & 0xF800) >> 1) | + ((green & 0xF800) >> 6) | ((blue & 0xF800) >> 11); + else if (fb->var.green.length == 6) + ((u32*)fb->pseudo_palette)[regno] = (red & 0xF800) | + ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11); + else + return -EINVAL; + break; + case 24: + case 32: + if (regno >= 16) + return 0; + + ((u32*)fb->pseudo_palette)[regno] = ((red & 0xFF00) << 8) | + (green & 0xFF00) | ((blue & 0xFF00) >> 8); + break; + default: + return -EINVAL; + } + + return 0; +} + +/* Set the display blanking state */ + +static int arkfb_blank(int blank_mode, struct fb_info *info) +{ + switch (blank_mode) { + case FB_BLANK_UNBLANK: + pr_debug("fb%d: unblank\n", info->node); + svga_wseq_mask(0x01, 0x00, 0x20); + svga_wcrt_mask(0x17, 0x80, 0x80); + break; + case FB_BLANK_NORMAL: + pr_debug("fb%d: blank\n", info->node); + svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(0x17, 0x80, 0x80); + break; + case FB_BLANK_POWERDOWN: + case FB_BLANK_HSYNC_SUSPEND: + case FB_BLANK_VSYNC_SUSPEND: + pr_debug("fb%d: sync down\n", info->node); + svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(0x17, 0x00, 0x80); + break; + } + return 0; +} + + +/* Pan the display */ + +static int arkfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) +{ + unsigned int offset; + + /* Calculate the offset */ + if (var->bits_per_pixel == 0) { + offset = (var->yoffset / 16) * (var->xres_virtual / 2) + (var->xoffset / 2); + offset = offset >> 2; + } else { + offset = (var->yoffset * info->fix.line_length) + + (var->xoffset * var->bits_per_pixel / 8); + offset = offset >> ((var->bits_per_pixel == 4) ? 2 : 3); + } + + /* Set the offset */ + svga_wcrt_multi(ark_start_address_regs, offset); + + return 0; +} + + +/* ------------------------------------------------------------------------- */ + + +/* Frame buffer operations */ + +static struct fb_ops arkfb_ops = { + .owner = THIS_MODULE, + .fb_open = arkfb_open, + .fb_release = arkfb_release, + .fb_check_var = arkfb_check_var, + .fb_set_par = arkfb_set_par, + .fb_setcolreg = arkfb_setcolreg, + .fb_blank = arkfb_blank, + .fb_pan_display = arkfb_pan_display, + .fb_fillrect = arkfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = arkfb_imageblit, + .fb_get_caps = svga_get_caps, +}; + + +/* ------------------------------------------------------------------------- */ + + +/* PCI probe */ +static int __devinit ark_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ + struct fb_info *info; + struct arkfb_info *par; + int rc; + u8 regval; + + /* Ignore secondary VGA device because there is no VGA arbitration */ + if (! svga_primary_device(dev)) { + dev_info(&(dev->dev), "ignoring secondary device\n"); + return -ENODEV; + } + + /* Allocate and fill driver data structure */ + info = framebuffer_alloc(sizeof(struct arkfb_info), NULL); + if (! info) { + dev_err(&(dev->dev), "cannot allocate memory\n"); + return -ENOMEM; + } + + par = info->par; + mutex_init(&par->open_lock); + + info->flags = FBINFO_PARTIAL_PAN_OK | FBINFO_HWACCEL_YPAN; + info->fbops = &arkfb_ops; + + /* Prepare PCI device */ + rc = pci_enable_device(dev); + if (rc < 0) { + dev_err(&(dev->dev), "cannot enable PCI device\n"); + goto err_enable_device; + } + + rc = pci_request_regions(dev, "arkfb"); + if (rc < 0) { + dev_err(&(dev->dev), "cannot reserve framebuffer region\n"); + goto err_request_regions; + } + + par->dac = ics5342_init(ark_dac_read_regs, ark_dac_write_regs, info); + if (! par->dac) { + rc = -ENOMEM; + dev_err(&(dev->dev), "RAMDAC initialization failed\n"); + goto err_dac; + } + + info->fix.smem_start = pci_resource_start(dev, 0); + info->fix.smem_len = pci_resource_len(dev, 0); + + /* Map physical IO memory address into kernel space */ + info->screen_base = pci_iomap(dev, 0, 0); + if (! info->screen_base) { + rc = -ENOMEM; + dev_err(&(dev->dev), "iomap for framebuffer failed\n"); + goto err_iomap; + } + + /* FIXME get memsize */ + regval = vga_rseq(NULL, 0x10); + info->screen_size = (1 << (regval >> 6)) << 20; + info->fix.smem_len = info->screen_size; + + strcpy(info->fix.id, "ARK 2000PV"); + info->fix.mmio_start = 0; + info->fix.mmio_len = 0; + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_PSEUDOCOLOR; + info->fix.ypanstep = 0; + info->fix.accel = FB_ACCEL_NONE; + info->pseudo_palette = (void*) (par->pseudo_palette); + + /* Prepare startup mode */ + rc = fb_find_mode(&(info->var), info, mode, NULL, 0, NULL, 8); + if (! ((rc == 1) || (rc == 2))) { + rc = -EINVAL; + dev_err(&(dev->dev), "mode %s not found\n", mode); + goto err_find_mode; + } + + rc = fb_alloc_cmap(&info->cmap, 256, 0); + if (rc < 0) { + dev_err(&(dev->dev), "cannot allocate colormap\n"); + goto err_alloc_cmap; + } + + rc = register_framebuffer(info); + if (rc < 0) { + dev_err(&(dev->dev), "cannot register framebugger\n"); + goto err_reg_fb; + } + + printk(KERN_INFO "fb%d: %s on %s, %d MB RAM\n", info->node, info->fix.id, + pci_name(dev), info->fix.smem_len >> 20); + + /* Record a reference to the driver data */ + pci_set_drvdata(dev, info); + +#ifdef CONFIG_MTRR + if (mtrr) { + par->mtrr_reg = -1; + par->mtrr_reg = mtrr_add(info->fix.smem_start, info->fix.smem_len, MTRR_TYPE_WRCOMB, 1); + } +#endif + + return 0; + + /* Error handling */ +err_reg_fb: + fb_dealloc_cmap(&info->cmap); +err_alloc_cmap: +err_find_mode: + pci_iounmap(dev, info->screen_base); +err_iomap: + dac_release(par->dac); +err_dac: + pci_release_regions(dev); +err_request_regions: +/* pci_disable_device(dev); */ +err_enable_device: + framebuffer_release(info); + return rc; +} + +/* PCI remove */ + +static void __devexit ark_pci_remove(struct pci_dev *dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct arkfb_info *par = info->par; + + if (info) { +#ifdef CONFIG_MTRR + if (par->mtrr_reg >= 0) { + mtrr_del(par->mtrr_reg, 0, 0); + par->mtrr_reg = -1; + } +#endif + + dac_release(par->dac); + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + + pci_iounmap(dev, info->screen_base); + pci_release_regions(dev); +/* pci_disable_device(dev); */ + + pci_set_drvdata(dev, NULL); + framebuffer_release(info); + } +} + + +#ifdef CONFIG_PM +/* PCI suspend */ + +static int ark_pci_suspend (struct pci_dev* dev, pm_message_t state) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct arkfb_info *par = info->par; + + dev_info(&(dev->dev), "suspend\n"); + + acquire_console_sem(); + mutex_lock(&(par->open_lock)); + + if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) { + mutex_unlock(&(par->open_lock)); + release_console_sem(); + return 0; + } + + fb_set_suspend(info, 1); + + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + + mutex_unlock(&(par->open_lock)); + release_console_sem(); + + return 0; +} + + +/* PCI resume */ + +static int ark_pci_resume (struct pci_dev* dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct arkfb_info *par = info->par; + + dev_info(&(dev->dev), "resume\n"); + + acquire_console_sem(); + mutex_lock(&(par->open_lock)); + + if (par->ref_count == 0) { + mutex_unlock(&(par->open_lock)); + release_console_sem(); + return 0; + } + + pci_set_power_state(dev, PCI_D0); + pci_restore_state(dev); + + if (pci_enable_device(dev)) + goto fail; + + pci_set_master(dev); + + arkfb_set_par(info); + fb_set_suspend(info, 0); + + mutex_unlock(&(par->open_lock)); +fail: + release_console_sem(); + return 0; +} +#else +#define ark_pci_suspend NULL +#define ark_pci_resume NULL +#endif /* CONFIG_PM */ + +/* List of boards that we are trying to support */ + +static struct pci_device_id ark_devices[] __devinitdata = { + {PCI_DEVICE(0xEDD8, 0xA099)}, + {0, 0, 0, 0, 0, 0, 0} +}; + + +MODULE_DEVICE_TABLE(pci, ark_devices); + +static struct pci_driver arkfb_pci_driver = { + .name = "arkfb", + .id_table = ark_devices, + .probe = ark_pci_probe, + .remove = __devexit_p(ark_pci_remove), + .suspend = ark_pci_suspend, + .resume = ark_pci_resume, +}; + +/* Cleanup */ + +static void __exit arkfb_cleanup(void) +{ + pr_debug("arkfb: cleaning up\n"); + pci_unregister_driver(&arkfb_pci_driver); +} + +/* Driver Initialisation */ + +static int __init arkfb_init(void) +{ + +#ifndef MODULE + char *option = NULL; + + if (fb_get_options("arkfb", &option)) + return -ENODEV; + + if (option && *option) + mode = option; +#endif + + pr_debug("arkfb: initializing\n"); + return pci_register_driver(&arkfb_pci_driver); +} + +module_init(arkfb_init); +module_exit(arkfb_cleanup); diff --git a/drivers/video/console/softcursor.c b/drivers/video/console/softcursor.c index f577bd80e020..03cfb7ac5733 100644 --- a/drivers/video/console/softcursor.c +++ b/drivers/video/console/softcursor.c @@ -1,5 +1,5 @@ /* - * linux/drivers/video/softcursor.c + * linux/drivers/video/console/softcursor.c * * Generic software cursor for frame buffer devices * diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 08d4e11d9121..38c2e2558f5e 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1236,6 +1236,10 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; #elif defined(__arm__) || defined(__sh__) || defined(__m32r__) vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +#elif defined(__avr32__) + vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot) + & ~_PAGE_CACHABLE) + | (_PAGE_BUFFER | _PAGE_DIRTY)); #elif defined(__ia64__) if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c index 7e760197cf29..1a7d7789d877 100644 --- a/drivers/video/i810/i810_main.c +++ b/drivers/video/i810/i810_main.c @@ -1717,7 +1717,7 @@ static int __devinit i810_alloc_agp_mem(struct fb_info *info) * @info: pointer to device specific info structure * * DESCRIPTION: - * Sets the the user monitor's horizontal and vertical + * Sets the user monitor's horizontal and vertical * frequency limits */ static void __devinit i810_init_monspecs(struct fb_info *info) diff --git a/drivers/video/matrox/matroxfb_Ti3026.c b/drivers/video/matrox/matroxfb_Ti3026.c index a5690a5f29d5..9445cdb759b1 100644 --- a/drivers/video/matrox/matroxfb_Ti3026.c +++ b/drivers/video/matrox/matroxfb_Ti3026.c @@ -72,7 +72,7 @@ * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> * * (following author is not in any relation with this code, but his ideas - * were used when writting this driver) + * were used when writing this driver) * * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> * diff --git a/drivers/video/matrox/matroxfb_accel.c b/drivers/video/matrox/matroxfb_accel.c index a5c825d99466..c57aaadf410c 100644 --- a/drivers/video/matrox/matroxfb_accel.c +++ b/drivers/video/matrox/matroxfb_accel.c @@ -70,7 +70,7 @@ * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> * * (following author is not in any relation with this code, but his ideas - * were used when writting this driver) + * were used when writing this driver) * * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> * diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c index cb2aa402ddfd..c8559a756b75 100644 --- a/drivers/video/matrox/matroxfb_base.c +++ b/drivers/video/matrox/matroxfb_base.c @@ -93,7 +93,7 @@ * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> * * (following author is not in any relation with this code, but his ideas - * were used when writting this driver) + * were used when writing this driver) * * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> * diff --git a/drivers/video/matrox/matroxfb_misc.c b/drivers/video/matrox/matroxfb_misc.c index 18886b629cb1..5948e54b9ef9 100644 --- a/drivers/video/matrox/matroxfb_misc.c +++ b/drivers/video/matrox/matroxfb_misc.c @@ -78,7 +78,7 @@ * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> * * (following author is not in any relation with this code, but his ideas - * were used when writting this driver) + * were used when writing this driver) * * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> * diff --git a/drivers/video/nvidia/nv_hw.c b/drivers/video/nvidia/nv_hw.c index f297c7b14a41..c627955aa124 100644 --- a/drivers/video/nvidia/nv_hw.c +++ b/drivers/video/nvidia/nv_hw.c @@ -149,8 +149,7 @@ static void nvGetClocks(struct nvidia_par *par, unsigned int *MClk, pll = NV_RD32(par->PMC, 0x4024); M = pll & 0xFF; N = (pll >> 8) & 0xFF; - if (((par->Chipset & 0xfff0) == 0x0290) || - ((par->Chipset & 0xfff0) == 0x0390)) { + if (((par->Chipset & 0xfff0) == 0x0290) || ((par->Chipset & 0xfff0) == 0x0390) || ((par->Chipset & 0xfff0) == 0x02E0)) { MB = 1; NB = 1; } else { @@ -963,6 +962,7 @@ void NVLoadStateExt(struct nvidia_par *par, RIVA_HW_STATE * state) if (((par->Chipset & 0xfff0) == 0x0090) || ((par->Chipset & 0xfff0) == 0x01D0) || + ((par->Chipset & 0xfff0) == 0x02E0) || ((par->Chipset & 0xfff0) == 0x0290)) regions = 15; for(i = 0; i < regions; i++) { @@ -1275,6 +1275,7 @@ void NVLoadStateExt(struct nvidia_par *par, RIVA_HW_STATE * state) 0x00100000); break; case 0x0090: + case 0x02E0: case 0x0290: NV_WR32(par->PRAMDAC, 0x0608, NV_RD32(par->PRAMDAC, 0x0608) | @@ -1352,6 +1353,7 @@ void NVLoadStateExt(struct nvidia_par *par, RIVA_HW_STATE * state) } else { if (((par->Chipset & 0xfff0) == 0x0090) || ((par->Chipset & 0xfff0) == 0x01D0) || + ((par->Chipset & 0xfff0) == 0x02E0) || ((par->Chipset & 0xfff0) == 0x0290)) { for (i = 0; i < 60; i++) { NV_WR32(par->PGRAPH, @@ -1403,6 +1405,7 @@ void NVLoadStateExt(struct nvidia_par *par, RIVA_HW_STATE * state) } else { if ((par->Chipset & 0xfff0) == 0x0090 || (par->Chipset & 0xfff0) == 0x01D0 || + (par->Chipset & 0xfff0) == 0x02E0 || (par->Chipset & 0xfff0) == 0x0290) { NV_WR32(par->PGRAPH, 0x0DF0, NV_RD32(par->PFB, 0x0200)); diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index 7c36b5fe582e..f85edf084da3 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -1243,6 +1243,7 @@ static u32 __devinit nvidia_get_arch(struct fb_info *info) case 0x0140: /* GeForce 6600 */ case 0x0160: /* GeForce 6200 */ case 0x01D0: /* GeForce 7200, 7300, 7400 */ + case 0x02E0: /* GeForce 7300 GT */ case 0x0090: /* GeForce 7800 */ case 0x0210: /* GeForce 6800 */ case 0x0220: /* GeForce 6200 */ diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index 756fafb41d78..d11735895a01 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -796,23 +796,6 @@ static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) return 0; } -/* Get capabilities of accelerator based on the mode */ - -static void s3fb_get_caps(struct fb_info *info, struct fb_blit_caps *caps, - struct fb_var_screeninfo *var) -{ - if (var->bits_per_pixel == 0) { - /* can only support 256 8x16 bitmap */ - caps->x = 1 << (8 - 1); - caps->y = 1 << (16 - 1); - caps->len = 256; - } else { - caps->x = ~(u32)0; - caps->y = ~(u32)0; - caps->len = ~(u32)0; - } -} - /* ------------------------------------------------------------------------- */ /* Frame buffer operations */ @@ -829,7 +812,7 @@ static struct fb_ops s3fb_ops = { .fb_fillrect = s3fb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = s3fb_imageblit, - .fb_get_caps = s3fb_get_caps, + .fb_get_caps = svga_get_caps, }; /* ------------------------------------------------------------------------- */ diff --git a/drivers/video/skeletonfb.c b/drivers/video/skeletonfb.c index 842b5cd054c6..836a612af977 100644 --- a/drivers/video/skeletonfb.c +++ b/drivers/video/skeletonfb.c @@ -14,7 +14,7 @@ * of it. * * First the roles of struct fb_info and struct display have changed. Struct - * display will go away. The way the the new framebuffer console code will + * display will go away. The way the new framebuffer console code will * work is that it will act to translate data about the tty/console in * struct vc_data to data in a device independent way in struct fb_info. Then * various functions in struct fb_ops will be called to store the device diff --git a/drivers/video/svgalib.c b/drivers/video/svgalib.c index 079cdc911e48..25df928d37d8 100644 --- a/drivers/video/svgalib.c +++ b/drivers/video/svgalib.c @@ -347,6 +347,23 @@ int svga_get_tilemax(struct fb_info *info) return 256; } +/* Get capabilities of accelerator based on the mode */ + +void svga_get_caps(struct fb_info *info, struct fb_blit_caps *caps, + struct fb_var_screeninfo *var) +{ + if (var->bits_per_pixel == 0) { + /* can only support 256 8x16 bitmap */ + caps->x = 1 << (8 - 1); + caps->y = 1 << (16 - 1); + caps->len = 256; + } else { + caps->x = (var->bits_per_pixel == 4) ? 1 << (8 - 1) : ~(u32)0; + caps->y = ~(u32)0; + caps->len = ~(u32)0; + } +} +EXPORT_SYMBOL(svga_get_caps); /* ------------------------------------------------------------------------- */ diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c new file mode 100644 index 000000000000..5e9755e464a1 --- /dev/null +++ b/drivers/video/vt8623fb.c @@ -0,0 +1,927 @@ +/* + * linux/drivers/video/vt8623fb.c - fbdev driver for + * integrated graphic core in VIA VT8623 [CLE266] chipset + * + * Copyright (c) 2006-2007 Ondrej Zajicek <santiago@crfreenet.org> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * Code is based on s3fb, some parts are from David Boucher's viafb + * (http://davesdomain.org.uk/viafb/) + */ + +#include <linux/version.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/svga.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/console.h> /* Why should fb driver call console functions? because acquire_console_sem() */ +#include <video/vga.h> + +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +struct vt8623fb_info { + char __iomem *mmio_base; + int mtrr_reg; + struct vgastate state; + struct mutex open_lock; + unsigned int ref_count; + u32 pseudo_palette[16]; +}; + + + +/* ------------------------------------------------------------------------- */ + +static const struct svga_fb_format vt8623fb_formats[] = { + { 0, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 0, + FB_TYPE_TEXT, FB_AUX_TEXT_SVGA_STEP8, FB_VISUAL_PSEUDOCOLOR, 16, 16}, + { 4, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_PSEUDOCOLOR, 16, 16}, + { 4, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 1, + FB_TYPE_INTERLEAVED_PLANES, 1, FB_VISUAL_PSEUDOCOLOR, 16, 16}, + { 8, {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_PSEUDOCOLOR, 8, 8}, +/* {16, {10, 5, 0}, {5, 5, 0}, {0, 5, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_TRUECOLOR, 4, 4}, */ + {16, {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_TRUECOLOR, 4, 4}, + {32, {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {0, 0, 0}, 0, + FB_TYPE_PACKED_PIXELS, 0, FB_VISUAL_TRUECOLOR, 2, 2}, + SVGA_FORMAT_END +}; + +static const struct svga_pll vt8623_pll = {2, 127, 2, 7, 0, 3, + 60000, 300000, 14318}; + +/* CRT timing register sets */ + +struct vga_regset vt8623_h_total_regs[] = {{0x00, 0, 7}, {0x36, 3, 3}, VGA_REGSET_END}; +struct vga_regset vt8623_h_display_regs[] = {{0x01, 0, 7}, VGA_REGSET_END}; +struct vga_regset vt8623_h_blank_start_regs[] = {{0x02, 0, 7}, VGA_REGSET_END}; +struct vga_regset vt8623_h_blank_end_regs[] = {{0x03, 0, 4}, {0x05, 7, 7}, {0x33, 5, 5}, VGA_REGSET_END}; +struct vga_regset vt8623_h_sync_start_regs[] = {{0x04, 0, 7}, {0x33, 4, 4}, VGA_REGSET_END}; +struct vga_regset vt8623_h_sync_end_regs[] = {{0x05, 0, 4}, VGA_REGSET_END}; + +struct vga_regset vt8623_v_total_regs[] = {{0x06, 0, 7}, {0x07, 0, 0}, {0x07, 5, 5}, {0x35, 0, 0}, VGA_REGSET_END}; +struct vga_regset vt8623_v_display_regs[] = {{0x12, 0, 7}, {0x07, 1, 1}, {0x07, 6, 6}, {0x35, 2, 2}, VGA_REGSET_END}; +struct vga_regset vt8623_v_blank_start_regs[] = {{0x15, 0, 7}, {0x07, 3, 3}, {0x09, 5, 5}, {0x35, 3, 3}, VGA_REGSET_END}; +struct vga_regset vt8623_v_blank_end_regs[] = {{0x16, 0, 7}, VGA_REGSET_END}; +struct vga_regset vt8623_v_sync_start_regs[] = {{0x10, 0, 7}, {0x07, 2, 2}, {0x07, 7, 7}, {0x35, 1, 1}, VGA_REGSET_END}; +struct vga_regset vt8623_v_sync_end_regs[] = {{0x11, 0, 3}, VGA_REGSET_END}; + +struct vga_regset vt8623_offset_regs[] = {{0x13, 0, 7}, {0x35, 5, 7}, VGA_REGSET_END}; +struct vga_regset vt8623_line_compare_regs[] = {{0x18, 0, 7}, {0x07, 4, 4}, {0x09, 6, 6}, {0x33, 0, 2}, {0x35, 4, 4}, VGA_REGSET_END}; +struct vga_regset vt8623_fetch_count_regs[] = {{0x1C, 0, 7}, {0x1D, 0, 1}, VGA_REGSET_END}; +struct vga_regset vt8623_start_address_regs[] = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x34, 0, 7}, {0x48, 0, 1}, VGA_REGSET_END}; + +struct svga_timing_regs vt8623_timing_regs = { + vt8623_h_total_regs, vt8623_h_display_regs, vt8623_h_blank_start_regs, + vt8623_h_blank_end_regs, vt8623_h_sync_start_regs, vt8623_h_sync_end_regs, + vt8623_v_total_regs, vt8623_v_display_regs, vt8623_v_blank_start_regs, + vt8623_v_blank_end_regs, vt8623_v_sync_start_regs, vt8623_v_sync_end_regs, +}; + + +/* ------------------------------------------------------------------------- */ + + +/* Module parameters */ + +static char *mode = "640x480-8@60"; + +#ifdef CONFIG_MTRR +static int mtrr = 1; +#endif + +MODULE_AUTHOR("(c) 2006 Ondrej Zajicek <santiago@crfreenet.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("fbdev driver for integrated graphics core in VIA VT8623 [CLE266]"); + +module_param(mode, charp, 0644); +MODULE_PARM_DESC(mode, "Default video mode ('640x480-8@60', etc)"); + +#ifdef CONFIG_MTRR +module_param(mtrr, int, 0444); +MODULE_PARM_DESC(mtrr, "Enable write-combining with MTRR (1=enable, 0=disable, default=1)"); +#endif + + +/* ------------------------------------------------------------------------- */ + + +static struct fb_tile_ops vt8623fb_tile_ops = { + .fb_settile = svga_settile, + .fb_tilecopy = svga_tilecopy, + .fb_tilefill = svga_tilefill, + .fb_tileblit = svga_tileblit, + .fb_tilecursor = svga_tilecursor, + .fb_get_tilemax = svga_get_tilemax, +}; + + +/* ------------------------------------------------------------------------- */ + + +/* image data is MSB-first, fb structure is MSB-first too */ +static inline u32 expand_color(u32 c) +{ + return ((c & 1) | ((c & 2) << 7) | ((c & 4) << 14) | ((c & 8) << 21)) * 0xFF; +} + +/* vt8623fb_iplan_imageblit silently assumes that almost everything is 8-pixel aligned */ +static void vt8623fb_iplan_imageblit(struct fb_info *info, const struct fb_image *image) +{ + u32 fg = expand_color(image->fg_color); + u32 bg = expand_color(image->bg_color); + const u8 *src1, *src; + u8 __iomem *dst1; + u32 __iomem *dst; + u32 val; + int x, y; + + src1 = image->data; + dst1 = info->screen_base + (image->dy * info->fix.line_length) + + ((image->dx / 8) * 4); + + for (y = 0; y < image->height; y++) { + src = src1; + dst = (u32 __iomem *) dst1; + for (x = 0; x < image->width; x += 8) { + val = *(src++) * 0x01010101; + val = (val & fg) | (~val & bg); + fb_writel(val, dst++); + } + src1 += image->width / 8; + dst1 += info->fix.line_length; + } +} + +/* vt8623fb_iplan_fillrect silently assumes that almost everything is 8-pixel aligned */ +static void vt8623fb_iplan_fillrect(struct fb_info *info, const struct fb_fillrect *rect) +{ + u32 fg = expand_color(rect->color); + u8 __iomem *dst1; + u32 __iomem *dst; + int x, y; + + dst1 = info->screen_base + (rect->dy * info->fix.line_length) + + ((rect->dx / 8) * 4); + + for (y = 0; y < rect->height; y++) { + dst = (u32 __iomem *) dst1; + for (x = 0; x < rect->width; x += 8) { + fb_writel(fg, dst++); + } + dst1 += info->fix.line_length; + } +} + + +/* image data is MSB-first, fb structure is high-nibble-in-low-byte-first */ +static inline u32 expand_pixel(u32 c) +{ + return (((c & 1) << 24) | ((c & 2) << 27) | ((c & 4) << 14) | ((c & 8) << 17) | + ((c & 16) << 4) | ((c & 32) << 7) | ((c & 64) >> 6) | ((c & 128) >> 3)) * 0xF; +} + +/* vt8623fb_cfb4_imageblit silently assumes that almost everything is 8-pixel aligned */ +static void vt8623fb_cfb4_imageblit(struct fb_info *info, const struct fb_image *image) +{ + u32 fg = image->fg_color * 0x11111111; + u32 bg = image->bg_color * 0x11111111; + const u8 *src1, *src; + u8 __iomem *dst1; + u32 __iomem *dst; + u32 val; + int x, y; + + src1 = image->data; + dst1 = info->screen_base + (image->dy * info->fix.line_length) + + ((image->dx / 8) * 4); + + for (y = 0; y < image->height; y++) { + src = src1; + dst = (u32 __iomem *) dst1; + for (x = 0; x < image->width; x += 8) { + val = expand_pixel(*(src++)); + val = (val & fg) | (~val & bg); + fb_writel(val, dst++); + } + src1 += image->width / 8; + dst1 += info->fix.line_length; + } +} + +static void vt8623fb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + if ((info->var.bits_per_pixel == 4) && (image->depth == 1) + && ((image->width % 8) == 0) && ((image->dx % 8) == 0)) { + if (info->fix.type == FB_TYPE_INTERLEAVED_PLANES) + vt8623fb_iplan_imageblit(info, image); + else + vt8623fb_cfb4_imageblit(info, image); + } else + cfb_imageblit(info, image); +} + +static void vt8623fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) +{ + if ((info->var.bits_per_pixel == 4) + && ((rect->width % 8) == 0) && ((rect->dx % 8) == 0) + && (info->fix.type == FB_TYPE_INTERLEAVED_PLANES)) + vt8623fb_iplan_fillrect(info, rect); + else + cfb_fillrect(info, rect); +} + + +/* ------------------------------------------------------------------------- */ + + +static void vt8623_set_pixclock(struct fb_info *info, u32 pixclock) +{ + u16 m, n, r; + u8 regval; + int rv; + + rv = svga_compute_pll(&vt8623_pll, 1000000000 / pixclock, &m, &n, &r, info->node); + if (rv < 0) { + printk(KERN_ERR "fb%d: cannot set requested pixclock, keeping old value\n", info->node); + return; + } + + /* Set VGA misc register */ + regval = vga_r(NULL, VGA_MIS_R); + vga_w(NULL, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD); + + /* Set clock registers */ + vga_wseq(NULL, 0x46, (n | (r << 6))); + vga_wseq(NULL, 0x47, m); + + udelay(1000); + + /* PLL reset */ + svga_wseq_mask(0x40, 0x02, 0x02); + svga_wseq_mask(0x40, 0x00, 0x02); +} + + +static int vt8623fb_open(struct fb_info *info, int user) +{ + struct vt8623fb_info *par = info->par; + + mutex_lock(&(par->open_lock)); + if (par->ref_count == 0) { + memset(&(par->state), 0, sizeof(struct vgastate)); + par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | VGA_SAVE_CMAP; + par->state.num_crtc = 0xA2; + par->state.num_seq = 0x50; + save_vga(&(par->state)); + } + + par->ref_count++; + mutex_unlock(&(par->open_lock)); + + return 0; +} + +static int vt8623fb_release(struct fb_info *info, int user) +{ + struct vt8623fb_info *par = info->par; + + mutex_lock(&(par->open_lock)); + if (par->ref_count == 0) { + mutex_unlock(&(par->open_lock)); + return -EINVAL; + } + + if (par->ref_count == 1) + restore_vga(&(par->state)); + + par->ref_count--; + mutex_unlock(&(par->open_lock)); + + return 0; +} + +static int vt8623fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + int rv, mem, step; + + /* Find appropriate format */ + rv = svga_match_format (vt8623fb_formats, var, NULL); + if (rv < 0) + { + printk(KERN_ERR "fb%d: unsupported mode requested\n", info->node); + return rv; + } + + /* Do not allow to have real resoulution larger than virtual */ + if (var->xres > var->xres_virtual) + var->xres_virtual = var->xres; + + if (var->yres > var->yres_virtual) + var->yres_virtual = var->yres; + + /* Round up xres_virtual to have proper alignment of lines */ + step = vt8623fb_formats[rv].xresstep - 1; + var->xres_virtual = (var->xres_virtual+step) & ~step; + + /* Check whether have enough memory */ + mem = ((var->bits_per_pixel * var->xres_virtual) >> 3) * var->yres_virtual; + if (mem > info->screen_size) + { + printk(KERN_ERR "fb%d: not enough framebuffer memory (%d kB requested , %d kB available)\n", info->node, mem >> 10, (unsigned int) (info->screen_size >> 10)); + return -EINVAL; + } + + /* Text mode is limited to 256 kB of memory */ + if ((var->bits_per_pixel == 0) && (mem > (256*1024))) + { + printk(KERN_ERR "fb%d: text framebuffer size too large (%d kB requested, 256 kB possible)\n", info->node, mem >> 10); + return -EINVAL; + } + + rv = svga_check_timings (&vt8623_timing_regs, var, info->node); + if (rv < 0) + { + printk(KERN_ERR "fb%d: invalid timings requested\n", info->node); + return rv; + } + + /* Interlaced mode not supported */ + if (var->vmode & FB_VMODE_INTERLACED) + return -EINVAL; + + return 0; +} + + +static int vt8623fb_set_par(struct fb_info *info) +{ + u32 mode, offset_value, fetch_value, screen_size; + u32 bpp = info->var.bits_per_pixel; + + if (bpp != 0) { + info->fix.ypanstep = 1; + info->fix.line_length = (info->var.xres_virtual * bpp) / 8; + + info->flags &= ~FBINFO_MISC_TILEBLITTING; + info->tileops = NULL; + + /* in 4bpp supports 8p wide tiles only, any tiles otherwise */ + info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0); + info->pixmap.blit_y = ~(u32)0; + + offset_value = (info->var.xres_virtual * bpp) / 64; + fetch_value = ((info->var.xres * bpp) / 128) + 4; + + if (bpp == 4) + fetch_value = (info->var.xres / 8) + 8; /* + 0 is OK */ + + screen_size = info->var.yres_virtual * info->fix.line_length; + } else { + info->fix.ypanstep = 16; + info->fix.line_length = 0; + + info->flags |= FBINFO_MISC_TILEBLITTING; + info->tileops = &vt8623fb_tile_ops; + + /* supports 8x16 tiles only */ + info->pixmap.blit_x = 1 << (8 - 1); + info->pixmap.blit_y = 1 << (16 - 1); + + offset_value = info->var.xres_virtual / 16; + fetch_value = (info->var.xres / 8) + 8; + screen_size = (info->var.xres_virtual * info->var.yres_virtual) / 64; + } + + info->var.xoffset = 0; + info->var.yoffset = 0; + info->var.activate = FB_ACTIVATE_NOW; + + /* Unlock registers */ + svga_wseq_mask(0x10, 0x01, 0x01); + svga_wcrt_mask(0x11, 0x00, 0x80); + svga_wcrt_mask(0x47, 0x00, 0x01); + + /* Device, screen and sync off */ + svga_wseq_mask(0x01, 0x20, 0x20); + svga_wcrt_mask(0x36, 0x30, 0x30); + svga_wcrt_mask(0x17, 0x00, 0x80); + + /* Set default values */ + svga_set_default_gfx_regs(); + svga_set_default_atc_regs(); + svga_set_default_seq_regs(); + svga_set_default_crt_regs(); + svga_wcrt_multi(vt8623_line_compare_regs, 0xFFFFFFFF); + svga_wcrt_multi(vt8623_start_address_regs, 0); + + svga_wcrt_multi(vt8623_offset_regs, offset_value); + svga_wseq_multi(vt8623_fetch_count_regs, fetch_value); + + if (info->var.vmode & FB_VMODE_DOUBLE) + svga_wcrt_mask(0x09, 0x80, 0x80); + else + svga_wcrt_mask(0x09, 0x00, 0x80); + + svga_wseq_mask(0x1E, 0xF0, 0xF0); // DI/DVP bus + svga_wseq_mask(0x2A, 0x0F, 0x0F); // DI/DVP bus + svga_wseq_mask(0x16, 0x08, 0xBF); // FIFO read treshold + vga_wseq(NULL, 0x17, 0x1F); // FIFO depth + vga_wseq(NULL, 0x18, 0x4E); + svga_wseq_mask(0x1A, 0x08, 0x08); // enable MMIO ? + + vga_wcrt(NULL, 0x32, 0x00); + vga_wcrt(NULL, 0x34, 0x00); + vga_wcrt(NULL, 0x6A, 0x80); + vga_wcrt(NULL, 0x6A, 0xC0); + + vga_wgfx(NULL, 0x20, 0x00); + vga_wgfx(NULL, 0x21, 0x00); + vga_wgfx(NULL, 0x22, 0x00); + + /* Set SR15 according to number of bits per pixel */ + mode = svga_match_format(vt8623fb_formats, &(info->var), &(info->fix)); + switch (mode) { + case 0: + pr_debug("fb%d: text mode\n", info->node); + svga_set_textmode_vga_regs(); + svga_wseq_mask(0x15, 0x00, 0xFE); + svga_wcrt_mask(0x11, 0x60, 0x70); + break; + case 1: + pr_debug("fb%d: 4 bit pseudocolor\n", info->node); + vga_wgfx(NULL, VGA_GFX_MODE, 0x40); + svga_wseq_mask(0x15, 0x20, 0xFE); + svga_wcrt_mask(0x11, 0x00, 0x70); + break; + case 2: + pr_debug("fb%d: 4 bit pseudocolor, planar\n", info->node); + svga_wseq_mask(0x15, 0x00, 0xFE); + svga_wcrt_mask(0x11, 0x00, 0x70); + break; + case 3: + pr_debug("fb%d: 8 bit pseudocolor\n", info->node); + svga_wseq_mask(0x15, 0x22, 0xFE); + break; + case 4: + pr_debug("fb%d: 5/6/5 truecolor\n", info->node); + svga_wseq_mask(0x15, 0xB6, 0xFE); + break; + case 5: + pr_debug("fb%d: 8/8/8 truecolor\n", info->node); + svga_wseq_mask(0x15, 0xAE, 0xFE); + break; + default: + printk(KERN_ERR "vt8623fb: unsupported mode - bug\n"); + return (-EINVAL); + } + + vt8623_set_pixclock(info, info->var.pixclock); + svga_set_timings(&vt8623_timing_regs, &(info->var), 1, 1, + (info->var.vmode & FB_VMODE_DOUBLE) ? 2 : 1, 1, + 1, info->node); + + memset_io(info->screen_base, 0x00, screen_size); + + /* Device and screen back on */ + svga_wcrt_mask(0x17, 0x80, 0x80); + svga_wcrt_mask(0x36, 0x00, 0x30); + svga_wseq_mask(0x01, 0x00, 0x20); + + return 0; +} + + +static int vt8623fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *fb) +{ + switch (fb->var.bits_per_pixel) { + case 0: + case 4: + if (regno >= 16) + return -EINVAL; + + outb(0x0F, VGA_PEL_MSK); + outb(regno, VGA_PEL_IW); + outb(red >> 10, VGA_PEL_D); + outb(green >> 10, VGA_PEL_D); + outb(blue >> 10, VGA_PEL_D); + break; + case 8: + if (regno >= 256) + return -EINVAL; + + outb(0xFF, VGA_PEL_MSK); + outb(regno, VGA_PEL_IW); + outb(red >> 10, VGA_PEL_D); + outb(green >> 10, VGA_PEL_D); + outb(blue >> 10, VGA_PEL_D); + break; + case 16: + if (regno >= 16) + return 0; + + if (fb->var.green.length == 5) + ((u32*)fb->pseudo_palette)[regno] = ((red & 0xF800) >> 1) | + ((green & 0xF800) >> 6) | ((blue & 0xF800) >> 11); + else if (fb->var.green.length == 6) + ((u32*)fb->pseudo_palette)[regno] = (red & 0xF800) | + ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11); + else + return -EINVAL; + break; + case 24: + case 32: + if (regno >= 16) + return 0; + + /* ((transp & 0xFF00) << 16) */ + ((u32*)fb->pseudo_palette)[regno] = ((red & 0xFF00) << 8) | + (green & 0xFF00) | ((blue & 0xFF00) >> 8); + break; + default: + return -EINVAL; + } + + return 0; +} + + +static int vt8623fb_blank(int blank_mode, struct fb_info *info) +{ + switch (blank_mode) { + case FB_BLANK_UNBLANK: + pr_debug("fb%d: unblank\n", info->node); + svga_wcrt_mask(0x36, 0x00, 0x30); + svga_wseq_mask(0x01, 0x00, 0x20); + break; + case FB_BLANK_NORMAL: + pr_debug("fb%d: blank\n", info->node); + svga_wcrt_mask(0x36, 0x00, 0x30); + svga_wseq_mask(0x01, 0x20, 0x20); + break; + case FB_BLANK_HSYNC_SUSPEND: + pr_debug("fb%d: DPMS standby (hsync off)\n", info->node); + svga_wcrt_mask(0x36, 0x10, 0x30); + svga_wseq_mask(0x01, 0x20, 0x20); + break; + case FB_BLANK_VSYNC_SUSPEND: + pr_debug("fb%d: DPMS suspend (vsync off)\n", info->node); + svga_wcrt_mask(0x36, 0x20, 0x30); + svga_wseq_mask(0x01, 0x20, 0x20); + break; + case FB_BLANK_POWERDOWN: + pr_debug("fb%d: DPMS off (no sync)\n", info->node); + svga_wcrt_mask(0x36, 0x30, 0x30); + svga_wseq_mask(0x01, 0x20, 0x20); + break; + } + + return 0; +} + + +static int vt8623fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) +{ + unsigned int offset; + + /* Calculate the offset */ + if (var->bits_per_pixel == 0) { + offset = (var->yoffset / 16) * var->xres_virtual + var->xoffset; + offset = offset >> 3; + } else { + offset = (var->yoffset * info->fix.line_length) + + (var->xoffset * var->bits_per_pixel / 8); + offset = offset >> ((var->bits_per_pixel == 4) ? 2 : 1); + } + + /* Set the offset */ + svga_wcrt_multi(vt8623_start_address_regs, offset); + + return 0; +} + + +/* ------------------------------------------------------------------------- */ + + +/* Frame buffer operations */ + +static struct fb_ops vt8623fb_ops = { + .owner = THIS_MODULE, + .fb_open = vt8623fb_open, + .fb_release = vt8623fb_release, + .fb_check_var = vt8623fb_check_var, + .fb_set_par = vt8623fb_set_par, + .fb_setcolreg = vt8623fb_setcolreg, + .fb_blank = vt8623fb_blank, + .fb_pan_display = vt8623fb_pan_display, + .fb_fillrect = vt8623fb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = vt8623fb_imageblit, + .fb_get_caps = svga_get_caps, +}; + + +/* PCI probe */ + +static int __devinit vt8623_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ + struct fb_info *info; + struct vt8623fb_info *par; + unsigned int memsize1, memsize2; + int rc; + + /* Ignore secondary VGA device because there is no VGA arbitration */ + if (! svga_primary_device(dev)) { + dev_info(&(dev->dev), "ignoring secondary device\n"); + return -ENODEV; + } + + /* Allocate and fill driver data structure */ + info = framebuffer_alloc(sizeof(struct vt8623fb_info), NULL); + if (! info) { + dev_err(&(dev->dev), "cannot allocate memory\n"); + return -ENOMEM; + } + + par = info->par; + mutex_init(&par->open_lock); + + info->flags = FBINFO_PARTIAL_PAN_OK | FBINFO_HWACCEL_YPAN; + info->fbops = &vt8623fb_ops; + + /* Prepare PCI device */ + + rc = pci_enable_device(dev); + if (rc < 0) { + dev_err(&(dev->dev), "cannot enable PCI device\n"); + goto err_enable_device; + } + + rc = pci_request_regions(dev, "vt8623fb"); + if (rc < 0) { + dev_err(&(dev->dev), "cannot reserve framebuffer region\n"); + goto err_request_regions; + } + + info->fix.smem_start = pci_resource_start(dev, 0); + info->fix.smem_len = pci_resource_len(dev, 0); + info->fix.mmio_start = pci_resource_start(dev, 1); + info->fix.mmio_len = pci_resource_len(dev, 1); + + /* Map physical IO memory address into kernel space */ + info->screen_base = pci_iomap(dev, 0, 0); + if (! info->screen_base) { + rc = -ENOMEM; + dev_err(&(dev->dev), "iomap for framebuffer failed\n"); + goto err_iomap_1; + } + + par->mmio_base = pci_iomap(dev, 1, 0); + if (! par->mmio_base) { + rc = -ENOMEM; + dev_err(&(dev->dev), "iomap for MMIO failed\n"); + goto err_iomap_2; + } + + /* Find how many physical memory there is on card */ + memsize1 = (vga_rseq(NULL, 0x34) + 1) >> 1; + memsize2 = vga_rseq(NULL, 0x39) << 2; + + if ((16 <= memsize1) && (memsize1 <= 64) && (memsize1 == memsize2)) + info->screen_size = memsize1 << 20; + else { + dev_err(&(dev->dev), "memory size detection failed (%x %x), suppose 16 MB\n", memsize1, memsize2); + info->screen_size = 16 << 20; + } + + info->fix.smem_len = info->screen_size; + strcpy(info->fix.id, "VIA VT8623"); + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_PSEUDOCOLOR; + info->fix.ypanstep = 0; + info->fix.accel = FB_ACCEL_NONE; + info->pseudo_palette = (void*)par->pseudo_palette; + + /* Prepare startup mode */ + + rc = fb_find_mode(&(info->var), info, mode, NULL, 0, NULL, 8); + if (! ((rc == 1) || (rc == 2))) { + rc = -EINVAL; + dev_err(&(dev->dev), "mode %s not found\n", mode); + goto err_find_mode; + } + + rc = fb_alloc_cmap(&info->cmap, 256, 0); + if (rc < 0) { + dev_err(&(dev->dev), "cannot allocate colormap\n"); + goto err_alloc_cmap; + } + + rc = register_framebuffer(info); + if (rc < 0) { + dev_err(&(dev->dev), "cannot register framebugger\n"); + goto err_reg_fb; + } + + printk(KERN_INFO "fb%d: %s on %s, %d MB RAM\n", info->node, info->fix.id, + pci_name(dev), info->fix.smem_len >> 20); + + /* Record a reference to the driver data */ + pci_set_drvdata(dev, info); + +#ifdef CONFIG_MTRR + if (mtrr) { + par->mtrr_reg = -1; + par->mtrr_reg = mtrr_add(info->fix.smem_start, info->fix.smem_len, MTRR_TYPE_WRCOMB, 1); + } +#endif + + return 0; + + /* Error handling */ +err_reg_fb: + fb_dealloc_cmap(&info->cmap); +err_alloc_cmap: +err_find_mode: + pci_iounmap(dev, par->mmio_base); +err_iomap_2: + pci_iounmap(dev, info->screen_base); +err_iomap_1: + pci_release_regions(dev); +err_request_regions: +/* pci_disable_device(dev); */ +err_enable_device: + framebuffer_release(info); + return rc; +} + +/* PCI remove */ + +static void __devexit vt8623_pci_remove(struct pci_dev *dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct vt8623fb_info *par = info->par; + + if (info) { +#ifdef CONFIG_MTRR + if (par->mtrr_reg >= 0) { + mtrr_del(par->mtrr_reg, 0, 0); + par->mtrr_reg = -1; + } +#endif + + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + + pci_iounmap(dev, info->screen_base); + pci_iounmap(dev, par->mmio_base); + pci_release_regions(dev); +/* pci_disable_device(dev); */ + + pci_set_drvdata(dev, NULL); + framebuffer_release(info); + } +} + + +#ifdef CONFIG_PM +/* PCI suspend */ + +static int vt8623_pci_suspend(struct pci_dev* dev, pm_message_t state) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct vt8623fb_info *par = info->par; + + dev_info(&(dev->dev), "suspend\n"); + + acquire_console_sem(); + mutex_lock(&(par->open_lock)); + + if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) { + mutex_unlock(&(par->open_lock)); + release_console_sem(); + return 0; + } + + fb_set_suspend(info, 1); + + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + + mutex_unlock(&(par->open_lock)); + release_console_sem(); + + return 0; +} + + +/* PCI resume */ + +static int vt8623_pci_resume(struct pci_dev* dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct vt8623fb_info *par = info->par; + + dev_info(&(dev->dev), "resume\n"); + + acquire_console_sem(); + mutex_lock(&(par->open_lock)); + + if (par->ref_count == 0) { + mutex_unlock(&(par->open_lock)); + release_console_sem(); + return 0; + } + + pci_set_power_state(dev, PCI_D0); + pci_restore_state(dev); + + if (pci_enable_device(dev)) + goto fail; + + pci_set_master(dev); + + vt8623fb_set_par(info); + fb_set_suspend(info, 0); + + mutex_unlock(&(par->open_lock)); +fail: + release_console_sem(); + + return 0; +} +#else +#define vt8623_pci_suspend NULL +#define vt8623_pci_resume NULL +#endif /* CONFIG_PM */ + +/* List of boards that we are trying to support */ + +static struct pci_device_id vt8623_devices[] __devinitdata = { + {PCI_DEVICE(PCI_VENDOR_ID_VIA, 0x3122)}, + {0, 0, 0, 0, 0, 0, 0} +}; + +MODULE_DEVICE_TABLE(pci, vt8623_devices); + +static struct pci_driver vt8623fb_pci_driver = { + .name = "vt8623fb", + .id_table = vt8623_devices, + .probe = vt8623_pci_probe, + .remove = __devexit_p(vt8623_pci_remove), + .suspend = vt8623_pci_suspend, + .resume = vt8623_pci_resume, +}; + +/* Cleanup */ + +static void __exit vt8623fb_cleanup(void) +{ + pr_debug("vt8623fb: cleaning up\n"); + pci_unregister_driver(&vt8623fb_pci_driver); +} + +/* Driver Initialisation */ + +int __init vt8623fb_init(void) +{ + +#ifndef MODULE + char *option = NULL; + + if (fb_get_options("vt8623fb", &option)) + return -ENODEV; + + if (option && *option) + mode = option; +#endif + + pr_debug("vt8623fb: initializing\n"); + return pci_register_driver(&vt8623fb_pci_driver); +} + +/* ------------------------------------------------------------------------- */ + +/* Modularization */ + +module_init(vt8623fb_init); +module_exit(vt8623fb_cleanup); |
