diff options
Diffstat (limited to 'drivers')
60 files changed, 2150 insertions, 2942 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 88452c79fb64..e4e9f255bd1f 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -2178,16 +2178,48 @@ static inline void resend_cciss_cmd( ctlr_info_t *h, CommandList_struct *c) start_io(h); } + +static void cciss_softirq_done(struct request *rq) +{ + CommandList_struct *cmd = rq->completion_data; + ctlr_info_t *h = hba[cmd->ctlr]; + u64bit temp64; + int i, ddir; + + if (cmd->Request.Type.Direction == XFER_READ) + ddir = PCI_DMA_FROMDEVICE; + else + ddir = PCI_DMA_TODEVICE; + + /* command did not need to be retried */ + /* unmap the DMA mapping for all the scatter gather elements */ + for(i=0; i<cmd->Header.SGList; i++) { + temp64.val32.lower = cmd->SG[i].Addr.lower; + temp64.val32.upper = cmd->SG[i].Addr.upper; + pci_unmap_page(h->pdev, temp64.val, cmd->SG[i].Len, ddir); + } + + complete_buffers(rq->bio, rq->errors); + +#ifdef CCISS_DEBUG + printk("Done with %p\n", rq); +#endif /* CCISS_DEBUG */ + + spin_lock_irq(&h->lock); + end_that_request_last(rq, rq->errors); + cmd_free(h, cmd,1); + spin_unlock_irq(&h->lock); +} + /* checks the status of the job and calls complete buffers to mark all - * buffers for the completed job. + * buffers for the completed job. Note that this function does not need + * to hold the hba/queue lock. */ static inline void complete_command( ctlr_info_t *h, CommandList_struct *cmd, int timeout) { int status = 1; - int i; int retry_cmd = 0; - u64bit temp64; if (timeout) status = 0; @@ -2295,24 +2327,10 @@ static inline void complete_command( ctlr_info_t *h, CommandList_struct *cmd, resend_cciss_cmd(h,cmd); return; } - /* command did not need to be retried */ - /* unmap the DMA mapping for all the scatter gather elements */ - for(i=0; i<cmd->Header.SGList; i++) { - temp64.val32.lower = cmd->SG[i].Addr.lower; - temp64.val32.upper = cmd->SG[i].Addr.upper; - pci_unmap_page(hba[cmd->ctlr]->pdev, - temp64.val, cmd->SG[i].Len, - (cmd->Request.Type.Direction == XFER_READ) ? - PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); - } - complete_buffers(cmd->rq->bio, status); - -#ifdef CCISS_DEBUG - printk("Done with %p\n", cmd->rq); -#endif /* CCISS_DEBUG */ - end_that_request_last(cmd->rq, status ? 1 : -EIO); - cmd_free(h,cmd,1); + cmd->rq->completion_data = cmd; + cmd->rq->errors = status; + blk_complete_request(cmd->rq); } /* @@ -3199,15 +3217,17 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, drv->queue = q; q->backing_dev_info.ra_pages = READ_AHEAD; - blk_queue_bounce_limit(q, hba[i]->pdev->dma_mask); + blk_queue_bounce_limit(q, hba[i]->pdev->dma_mask); + + /* This is a hardware imposed limit. */ + blk_queue_max_hw_segments(q, MAXSGENTRIES); - /* This is a hardware imposed limit. */ - blk_queue_max_hw_segments(q, MAXSGENTRIES); + /* This is a limit in the driver and could be eliminated. */ + blk_queue_max_phys_segments(q, MAXSGENTRIES); - /* This is a limit in the driver and could be eliminated. */ - blk_queue_max_phys_segments(q, MAXSGENTRIES); + blk_queue_max_sectors(q, 512); - blk_queue_max_sectors(q, 512); + blk_queue_softirq_done(q, cciss_softirq_done); q->queuedata = hba[i]; sprintf(disk->disk_name, "cciss/c%dd%d", i, j); diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index af7cb2bfd670..01f042f6f1c4 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -1083,23 +1083,33 @@ static int swim3_add_device(struct device_node *swim) { struct device_node *mediabay; struct floppy_state *fs = &floppy_states[floppy_count]; + struct resource res_reg, res_dma; - if (swim->n_addrs < 2) - { - printk(KERN_INFO "swim3: expecting 2 addrs (n_addrs:%d, n_intrs:%d)\n", - swim->n_addrs, swim->n_intrs); + if (of_address_to_resource(swim, 0, &res_reg) || + of_address_to_resource(swim, 1, &res_dma)) { + printk(KERN_ERR "swim3: Can't get addresses\n"); return -EINVAL; } - - if (swim->n_intrs < 2) - { - printk(KERN_INFO "swim3: expecting 2 intrs (n_addrs:%d, n_intrs:%d)\n", - swim->n_addrs, swim->n_intrs); + if (request_mem_region(res_reg.start, res_reg.end - res_reg.start + 1, + " (reg)") == NULL) { + printk(KERN_ERR "swim3: Can't request register space\n"); + return -EINVAL; + } + if (request_mem_region(res_dma.start, res_dma.end - res_dma.start + 1, + " (dma)") == NULL) { + release_mem_region(res_reg.start, + res_reg.end - res_reg.start + 1); + printk(KERN_ERR "swim3: Can't request DMA space\n"); return -EINVAL; } - if (!request_OF_resource(swim, 0, NULL)) { - printk(KERN_INFO "swim3: can't request IO resource !\n"); + if (swim->n_intrs < 2) { + printk(KERN_INFO "swim3: expecting 2 intrs (n_intrs:%d)\n", + swim->n_intrs); + release_mem_region(res_reg.start, + res_reg.end - res_reg.start + 1); + release_mem_region(res_dma.start, + res_dma.end - res_dma.start + 1); return -EINVAL; } @@ -1110,10 +1120,8 @@ static int swim3_add_device(struct device_node *swim) memset(fs, 0, sizeof(*fs)); spin_lock_init(&fs->lock); fs->state = idle; - fs->swim3 = (struct swim3 __iomem *) - ioremap(swim->addrs[0].address, 0x200); - fs->dma = (struct dbdma_regs __iomem *) - ioremap(swim->addrs[1].address, 0x200); + fs->swim3 = (struct swim3 __iomem *)ioremap(res_reg.start, 0x200); + fs->dma = (struct dbdma_regs __iomem *)ioremap(res_dma.start, 0x200); fs->swim3_intr = swim->intrs[0].line; fs->dma_intr = swim->intrs[1].line; fs->cur_cyl = -1; diff --git a/drivers/char/watchdog/mpc8xx_wdt.c b/drivers/char/watchdog/mpc8xx_wdt.c index 56d62ba7c6ce..b2fc71e20850 100644 --- a/drivers/char/watchdog/mpc8xx_wdt.c +++ b/drivers/char/watchdog/mpc8xx_wdt.c @@ -18,6 +18,7 @@ #include <linux/watchdog.h> #include <asm/8xx_immap.h> #include <asm/uaccess.h> +#include <asm/io.h> #include <syslib/m8xx_wdt.h> static unsigned long wdt_opened; @@ -25,18 +26,26 @@ static int wdt_status; static void mpc8xx_wdt_handler_disable(void) { - volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR; + volatile uint __iomem *piscr; + piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr; - imap->im_sit.sit_piscr &= ~(PISCR_PIE | PISCR_PTE); + if (!m8xx_has_internal_rtc) + m8xx_wdt_stop_timer(); + else + out_be32(piscr, in_be32(piscr) & ~(PISCR_PIE | PISCR_PTE)); printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler deactivated\n"); } static void mpc8xx_wdt_handler_enable(void) { - volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR; + volatile uint __iomem *piscr; + piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr; - imap->im_sit.sit_piscr |= PISCR_PIE | PISCR_PTE; + if (!m8xx_has_internal_rtc) + m8xx_wdt_install_timer(); + else + out_be32(piscr, in_be32(piscr) | PISCR_PIE | PISCR_PTE); printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler activated\n"); } @@ -68,9 +77,6 @@ static int mpc8xx_wdt_release(struct inode *inode, struct file *file) static ssize_t mpc8xx_wdt_write(struct file *file, const char *data, size_t len, loff_t * ppos) { - if (ppos != &file->f_pos) - return -ESPIPE; - if (len) m8xx_wdt_reset(); diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 4010fe92e72b..08d5b8fed2dc 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -236,27 +236,17 @@ config I2C_IXP2000 This support is also available as a module. If so, the module will be called i2c-ixp2000. -config I2C_KEYWEST - tristate "Powermac Keywest I2C interface" +config I2C_POWERMAC + tristate "Powermac I2C interface" depends on I2C && PPC_PMAC + default y help - This supports the use of the I2C interface in the combo-I/O - chip on recent Apple machines. Say Y if you have such a machine. - - This support is also available as a module. If so, the module - will be called i2c-keywest. - -config I2C_PMAC_SMU - tristate "Powermac SMU I2C interface" - depends on I2C && PMAC_SMU - help - This supports the use of the I2C interface in the SMU - chip on recent Apple machines like the iMac G5. It is used - among others by the thermal control driver for those machines. - Say Y if you have such a machine. + This exposes the various PowerMac i2c interfaces to the linux i2c + layer and to userland. It is used by various drivers on the powemac + platform, thus should generally be enabled. This support is also available as a module. If so, the module - will be called i2c-pmac-smu. + will be called i2c-powermac. config I2C_MPC tristate "MPC107/824x/85xx/52xx" diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index f1df00f66c6c..b44831dff683 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -19,8 +19,7 @@ obj-$(CONFIG_I2C_ISA) += i2c-isa.o obj-$(CONFIG_I2C_ITE) += i2c-ite.o obj-$(CONFIG_I2C_IXP2000) += i2c-ixp2000.o obj-$(CONFIG_I2C_IXP4XX) += i2c-ixp4xx.o -obj-$(CONFIG_I2C_KEYWEST) += i2c-keywest.o -obj-$(CONFIG_I2C_PMAC_SMU) += i2c-pmac-smu.o +obj-$(CONFIG_I2C_POWERMAC) += i2c-powermac.o obj-$(CONFIG_I2C_MPC) += i2c-mpc.o obj-$(CONFIG_I2C_MV64XXX) += i2c-mv64xxx.o obj-$(CONFIG_I2C_NFORCE2) += i2c-nforce2.o diff --git a/drivers/i2c/busses/i2c-keywest.c b/drivers/i2c/busses/i2c-keywest.c deleted file mode 100644 index d61f748278fc..000000000000 --- a/drivers/i2c/busses/i2c-keywest.c +++ /dev/null @@ -1,751 +0,0 @@ -/* - i2c Support for Apple Keywest I2C Bus Controller - - Copyright (c) 2001 Benjamin Herrenschmidt <benh@kernel.crashing.org> - - Original work by - - Copyright (c) 2000 Philip Edelbrock <phil@stimpy.netroedge.com> - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. - - Changes: - - 2001/12/13 BenH New implementation - 2001/12/15 BenH Add support for "byte" and "quick" - transfers. Add i2c_xfer routine. - 2003/09/21 BenH Rework state machine with Paulus help - 2004/01/21 BenH Merge in Greg KH changes, polled mode is back - 2004/02/05 BenH Merge 64 bits fixes from the g5 ppc64 tree - - My understanding of the various modes supported by keywest are: - - - Dumb mode : not implemented, probably direct tweaking of lines - - Standard mode : simple i2c transaction of type - S Addr R/W A Data A Data ... T - - Standard sub mode : combined 8 bit subaddr write with data read - S Addr R/W A SubAddr A Data A Data ... T - - Combined mode : Subaddress and Data sequences appended with no stop - S Addr R/W A SubAddr S Addr R/W A Data A Data ... T - - Currently, this driver uses only Standard mode for i2c xfer, and - smbus byte & quick transfers ; and uses StandardSub mode for - other smbus transfers instead of combined as we need that for the - sound driver to be happy -*/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <linux/types.h> -#include <linux/delay.h> -#include <linux/i2c.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/timer.h> -#include <linux/spinlock.h> -#include <linux/completion.h> -#include <linux/interrupt.h> - -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/pmac_feature.h> -#include <asm/pmac_low_i2c.h> - -#include "i2c-keywest.h" - -#undef POLLED_MODE - -/* Some debug macros */ -#define WRONG_STATE(name) do {\ - pr_debug("KW: wrong state. Got %s, state: %s (isr: %02x)\n", \ - name, __kw_state_names[iface->state], isr); \ - } while(0) - -#ifdef DEBUG -static const char *__kw_state_names[] = { - "state_idle", - "state_addr", - "state_read", - "state_write", - "state_stop", - "state_dead" -}; -#endif /* DEBUG */ - -MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>"); -MODULE_DESCRIPTION("I2C driver for Apple's Keywest"); -MODULE_LICENSE("GPL"); - -#ifdef POLLED_MODE -/* Don't schedule, the g5 fan controller is too - * timing sensitive - */ -static u8 -wait_interrupt(struct keywest_iface* iface) -{ - int i; - u8 isr; - - for (i = 0; i < 200000; i++) { - isr = read_reg(reg_isr) & KW_I2C_IRQ_MASK; - if (isr != 0) - return isr; - udelay(10); - } - return isr; -} -#endif /* POLLED_MODE */ - -static void -do_stop(struct keywest_iface* iface, int result) -{ - write_reg(reg_control, KW_I2C_CTL_STOP); - iface->state = state_stop; - iface->result = result; -} - -/* Main state machine for standard & standard sub mode */ -static void -handle_interrupt(struct keywest_iface *iface, u8 isr) -{ - int ack; - - if (isr == 0) { - if (iface->state != state_stop) { - pr_debug("KW: Timeout !\n"); - do_stop(iface, -EIO); - } - if (iface->state == state_stop) { - ack = read_reg(reg_status); - if (!(ack & KW_I2C_STAT_BUSY)) { - iface->state = state_idle; - write_reg(reg_ier, 0x00); -#ifndef POLLED_MODE - complete(&iface->complete); -#endif /* POLLED_MODE */ - } - } - return; - } - - if (isr & KW_I2C_IRQ_ADDR) { - ack = read_reg(reg_status); - if (iface->state != state_addr) { - write_reg(reg_isr, KW_I2C_IRQ_ADDR); - WRONG_STATE("KW_I2C_IRQ_ADDR"); - do_stop(iface, -EIO); - return; - } - if ((ack & KW_I2C_STAT_LAST_AAK) == 0) { - iface->state = state_stop; - iface->result = -ENODEV; - pr_debug("KW: NAK on address\n"); - } else { - /* Handle rw "quick" mode */ - if (iface->datalen == 0) { - do_stop(iface, 0); - } else if (iface->read_write == I2C_SMBUS_READ) { - iface->state = state_read; - if (iface->datalen > 1) - write_reg(reg_control, KW_I2C_CTL_AAK); - } else { - iface->state = state_write; - write_reg(reg_data, *(iface->data++)); - iface->datalen--; - } - } - write_reg(reg_isr, KW_I2C_IRQ_ADDR); - } - - if (isr & KW_I2C_IRQ_DATA) { - if (iface->state == state_read) { - *(iface->data++) = read_reg(reg_data); - write_reg(reg_isr, KW_I2C_IRQ_DATA); - iface->datalen--; - if (iface->datalen == 0) - iface->state = state_stop; - else if (iface->datalen == 1) - write_reg(reg_control, 0); - } else if (iface->state == state_write) { - /* Check ack status */ - ack = read_reg(reg_status); - if ((ack & KW_I2C_STAT_LAST_AAK) == 0) { - pr_debug("KW: nack on data write (%x): %x\n", - iface->data[-1], ack); - do_stop(iface, -EIO); - } else if (iface->datalen) { - write_reg(reg_data, *(iface->data++)); - iface->datalen--; - } else { - write_reg(reg_control, KW_I2C_CTL_STOP); - iface->state = state_stop; - iface->result = 0; - } - write_reg(reg_isr, KW_I2C_IRQ_DATA); - } else { - write_reg(reg_isr, KW_I2C_IRQ_DATA); - WRONG_STATE("KW_I2C_IRQ_DATA"); - if (iface->state != state_stop) - do_stop(iface, -EIO); - } - } - - if (isr & KW_I2C_IRQ_STOP) { - write_reg(reg_isr, KW_I2C_IRQ_STOP); - if (iface->state != state_stop) { - WRONG_STATE("KW_I2C_IRQ_STOP"); - iface->result = -EIO; - } - iface->state = state_idle; - write_reg(reg_ier, 0x00); -#ifndef POLLED_MODE - complete(&iface->complete); -#endif /* POLLED_MODE */ - } - - if (isr & KW_I2C_IRQ_START) - write_reg(reg_isr, KW_I2C_IRQ_START); -} - -#ifndef POLLED_MODE - -/* Interrupt handler */ -static irqreturn_t -keywest_irq(int irq, void *dev_id, struct pt_regs *regs) -{ - struct keywest_iface *iface = (struct keywest_iface *)dev_id; - unsigned long flags; - - spin_lock_irqsave(&iface->lock, flags); - del_timer(&iface->timeout_timer); - handle_interrupt(iface, read_reg(reg_isr)); - if (iface->state != state_idle) { - iface->timeout_timer.expires = jiffies + POLL_TIMEOUT; - add_timer(&iface->timeout_timer); - } - spin_unlock_irqrestore(&iface->lock, flags); - return IRQ_HANDLED; -} - -static void -keywest_timeout(unsigned long data) -{ - struct keywest_iface *iface = (struct keywest_iface *)data; - unsigned long flags; - - pr_debug("timeout !\n"); - spin_lock_irqsave(&iface->lock, flags); - handle_interrupt(iface, read_reg(reg_isr)); - if (iface->state != state_idle) { - iface->timeout_timer.expires = jiffies + POLL_TIMEOUT; - add_timer(&iface->timeout_timer); - } - spin_unlock_irqrestore(&iface->lock, flags); -} - -#endif /* POLLED_MODE */ - -/* - * SMBUS-type transfer entrypoint - */ -static s32 -keywest_smbus_xfer( struct i2c_adapter* adap, - u16 addr, - unsigned short flags, - char read_write, - u8 command, - int size, - union i2c_smbus_data* data) -{ - struct keywest_chan* chan = i2c_get_adapdata(adap); - struct keywest_iface* iface = chan->iface; - int len; - u8* buffer; - u16 cur_word; - int rc = 0; - - if (iface->state == state_dead) - return -ENXIO; - - /* Prepare datas & select mode */ - iface->cur_mode &= ~KW_I2C_MODE_MODE_MASK; - switch (size) { - case I2C_SMBUS_QUICK: - len = 0; - buffer = NULL; - iface->cur_mode |= KW_I2C_MODE_STANDARD; - break; - case I2C_SMBUS_BYTE: - len = 1; - buffer = &data->byte; - iface->cur_mode |= KW_I2C_MODE_STANDARD; - break; - case I2C_SMBUS_BYTE_DATA: - len = 1; - buffer = &data->byte; - iface->cur_mode |= KW_I2C_MODE_STANDARDSUB; - break; - case I2C_SMBUS_WORD_DATA: - len = 2; - cur_word = cpu_to_le16(data->word); - buffer = (u8 *)&cur_word; - iface->cur_mode |= KW_I2C_MODE_STANDARDSUB; - break; - case I2C_SMBUS_BLOCK_DATA: - len = data->block[0]; - buffer = &data->block[1]; - iface->cur_mode |= KW_I2C_MODE_STANDARDSUB; - break; - default: - return -1; - } - - /* Turn a standardsub read into a combined mode access */ - if (read_write == I2C_SMBUS_READ - && (iface->cur_mode & KW_I2C_MODE_MODE_MASK) == KW_I2C_MODE_STANDARDSUB) { - iface->cur_mode &= ~KW_I2C_MODE_MODE_MASK; - iface->cur_mode |= KW_I2C_MODE_COMBINED; - } - - /* Original driver had this limitation */ - if (len > 32) - len = 32; - - if (pmac_low_i2c_lock(iface->node)) - return -ENXIO; - - pr_debug("chan: %d, addr: 0x%x, transfer len: %d, read: %d\n", - chan->chan_no, addr, len, read_write == I2C_SMBUS_READ); - - iface->data = buffer; - iface->datalen = len; - iface->state = state_addr; - iface->result = 0; - iface->read_write = read_write; - - /* Setup channel & clear pending irqs */ - write_reg(reg_isr, read_reg(reg_isr)); - write_reg(reg_mode, iface->cur_mode | (chan->chan_no << 4)); - write_reg(reg_status, 0); - - /* Set up address and r/w bit */ - write_reg(reg_addr, - (addr << 1) | ((read_write == I2C_SMBUS_READ) ? 0x01 : 0x00)); - - /* Set up the sub address */ - if ((iface->cur_mode & KW_I2C_MODE_MODE_MASK) == KW_I2C_MODE_STANDARDSUB - || (iface->cur_mode & KW_I2C_MODE_MODE_MASK) == KW_I2C_MODE_COMBINED) - write_reg(reg_subaddr, command); - -#ifndef POLLED_MODE - /* Arm timeout */ - iface->timeout_timer.expires = jiffies + POLL_TIMEOUT; - add_timer(&iface->timeout_timer); -#endif - - /* Start sending address & enable interrupt*/ - write_reg(reg_control, KW_I2C_CTL_XADDR); - write_reg(reg_ier, KW_I2C_IRQ_MASK); - -#ifdef POLLED_MODE - pr_debug("using polled mode...\n"); - /* State machine, to turn into an interrupt handler */ - while(iface->state != state_idle) { - unsigned long flags; - - u8 isr = wait_interrupt(iface); - spin_lock_irqsave(&iface->lock, flags); - handle_interrupt(iface, isr); - spin_unlock_irqrestore(&iface->lock, flags); - } -#else /* POLLED_MODE */ - pr_debug("using interrupt mode...\n"); - wait_for_completion(&iface->complete); -#endif /* POLLED_MODE */ - - rc = iface->result; - pr_debug("transfer done, result: %d\n", rc); - - if (rc == 0 && size == I2C_SMBUS_WORD_DATA && read_write == I2C_SMBUS_READ) - data->word = le16_to_cpu(cur_word); - - /* Release sem */ - pmac_low_i2c_unlock(iface->node); - - return rc; -} - -/* - * Generic i2c master transfer entrypoint - */ -static int -keywest_xfer( struct i2c_adapter *adap, - struct i2c_msg *msgs, - int num) -{ - struct keywest_chan* chan = i2c_get_adapdata(adap); - struct keywest_iface* iface = chan->iface; - struct i2c_msg *pmsg; - int i, completed; - int rc = 0; - - if (iface->state == state_dead) - return -ENXIO; - - if (pmac_low_i2c_lock(iface->node)) - return -ENXIO; - - /* Set adapter to standard mode */ - iface->cur_mode &= ~KW_I2C_MODE_MODE_MASK; - iface->cur_mode |= KW_I2C_MODE_STANDARD; - - completed = 0; - for (i = 0; rc >= 0 && i < num;) { - u8 addr; - - pmsg = &msgs[i++]; - addr = pmsg->addr; - if (pmsg->flags & I2C_M_TEN) { - printk(KERN_ERR "i2c-keywest: 10 bits addr not supported !\n"); - rc = -EINVAL; - break; - } - pr_debug("xfer: chan: %d, doing %s %d bytes to 0x%02x - %d of %d messages\n", - chan->chan_no, - pmsg->flags & I2C_M_RD ? "read" : "write", - pmsg->len, addr, i, num); - - /* Setup channel & clear pending irqs */ - write_reg(reg_mode, iface->cur_mode | (chan->chan_no << 4)); - write_reg(reg_isr, read_reg(reg_isr)); - write_reg(reg_status, 0); - - iface->data = pmsg->buf; - iface->datalen = pmsg->len; - iface->state = state_addr; - iface->result = 0; - if (pmsg->flags & I2C_M_RD) - iface->read_write = I2C_SMBUS_READ; - else - iface->read_write = I2C_SMBUS_WRITE; - - /* Set up address and r/w bit */ - if (pmsg->flags & I2C_M_REV_DIR_ADDR) - addr ^= 1; - write_reg(reg_addr, - (addr << 1) | - ((iface->read_write == I2C_SMBUS_READ) ? 0x01 : 0x00)); - -#ifndef POLLED_MODE - /* Arm timeout */ - iface->timeout_timer.expires = jiffies + POLL_TIMEOUT; - add_timer(&iface->timeout_timer); -#endif - - /* Start sending address & enable interrupt*/ - write_reg(reg_ier, KW_I2C_IRQ_MASK); - write_reg(reg_control, KW_I2C_CTL_XADDR); - -#ifdef POLLED_MODE - pr_debug("using polled mode...\n"); - /* State machine, to turn into an interrupt handler */ - while(iface->state != state_idle) { - u8 isr = wait_interrupt(iface); - handle_interrupt(iface, isr); - } -#else /* POLLED_MODE */ - pr_debug("using interrupt mode...\n"); - wait_for_completion(&iface->complete); -#endif /* POLLED_MODE */ - - rc = iface->result; - if (rc == 0) - completed++; - pr_debug("transfer done, result: %d\n", rc); - } - - /* Release sem */ - pmac_low_i2c_unlock(iface->node); - - return completed; -} - -static u32 -keywest_func(struct i2c_adapter * adapter) -{ - return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | - I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_BLOCK_DATA; -} - -/* For now, we only handle combined mode (smbus) */ -static struct i2c_algorithm keywest_algorithm = { - .smbus_xfer = keywest_smbus_xfer, - .master_xfer = keywest_xfer, - .functionality = keywest_func, -}; - - -static int -create_iface(struct device_node *np, struct device *dev) -{ - unsigned long steps; - unsigned bsteps, tsize, i, nchan, addroffset; - struct keywest_iface* iface; - u32 *psteps, *prate; - int rc; - - if (np->n_intrs < 1 || np->n_addrs < 1) { - printk(KERN_ERR "%s: Missing interrupt or address !\n", - np->full_name); - return -ENODEV; - } - if (pmac_low_i2c_lock(np)) - return -ENODEV; - - psteps = (u32 *)get_property(np, "AAPL,address-step", NULL); - steps = psteps ? (*psteps) : 0x10; - - /* Hrm... maybe we can be smarter here */ - for (bsteps = 0; (steps & 0x01) == 0; bsteps++) - steps >>= 1; - - if (np->parent->name[0] == 'u') { - nchan = 2; - addroffset = 3; - } else { - addroffset = 0; - nchan = 1; - } - - tsize = sizeof(struct keywest_iface) + - (sizeof(struct keywest_chan) + 4) * nchan; - iface = kzalloc(tsize, GFP_KERNEL); - if (iface == NULL) { - printk(KERN_ERR "i2c-keywest: can't allocate inteface !\n"); - pmac_low_i2c_unlock(np); - return -ENOMEM; - } - spin_lock_init(&iface->lock); - init_completion(&iface->complete); - iface->node = of_node_get(np); - iface->bsteps = bsteps; - iface->chan_count = nchan; - iface->state = state_idle; - iface->irq = np->intrs[0].line; - iface->channels = (struct keywest_chan *) - (((unsigned long)(iface + 1) + 3UL) & ~3UL); - iface->base = ioremap(np->addrs[0].address + addroffset, - np->addrs[0].size); - if (!iface->base) { - printk(KERN_ERR "i2c-keywest: can't map inteface !\n"); - kfree(iface); - pmac_low_i2c_unlock(np); - return -ENOMEM; - } - -#ifndef POLLED_MODE - init_timer(&iface->timeout_timer); - iface->timeout_timer.function = keywest_timeout; - iface->timeout_timer.data = (unsigned long)iface; -#endif - - /* Select interface rate */ - iface->cur_mode = KW_I2C_MODE_100KHZ; - prate = (u32 *)get_property(np, "AAPL,i2c-rate", NULL); - if (prate) switch(*prate) { - case 100: - iface->cur_mode = KW_I2C_MODE_100KHZ; - break; - case 50: - iface->cur_mode = KW_I2C_MODE_50KHZ; - break; - case 25: - iface->cur_mode = KW_I2C_MODE_25KHZ; - break; - default: - printk(KERN_WARNING "i2c-keywest: unknown rate %ldKhz, using 100KHz\n", - (long)*prate); - } - - /* Select standard mode by default */ - iface->cur_mode |= KW_I2C_MODE_STANDARD; - - /* Write mode */ - write_reg(reg_mode, iface->cur_mode); - - /* Switch interrupts off & clear them*/ - write_reg(reg_ier, 0x00); - write_reg(reg_isr, KW_I2C_IRQ_MASK); - -#ifndef POLLED_MODE - /* Request chip interrupt */ - rc = request_irq(iface->irq, keywest_irq, SA_INTERRUPT, "keywest i2c", iface); - if (rc) { - printk(KERN_ERR "i2c-keywest: can't get IRQ %d !\n", iface->irq); - iounmap(iface->base); - kfree(iface); - pmac_low_i2c_unlock(np); - return -ENODEV; - } -#endif /* POLLED_MODE */ - - pmac_low_i2c_unlock(np); - dev_set_drvdata(dev, iface); - - for (i=0; i<nchan; i++) { - struct keywest_chan* chan = &iface->channels[i]; - - sprintf(chan->adapter.name, "%s %d", np->parent->name, i); - chan->iface = iface; - chan->chan_no = i; - chan->adapter.algo = &keywest_algorithm; - chan->adapter.algo_data = NULL; - chan->adapter.client_register = NULL; - chan->adapter.client_unregister = NULL; - i2c_set_adapdata(&chan->adapter, chan); - chan->adapter.dev.parent = dev; - - rc = i2c_add_adapter(&chan->adapter); - if (rc) { - printk("i2c-keywest.c: Adapter %s registration failed\n", - chan->adapter.name); - i2c_set_adapdata(&chan->adapter, NULL); - } - } - - printk(KERN_INFO "Found KeyWest i2c on \"%s\", %d channel%s, stepping: %d bits\n", - np->parent->name, nchan, nchan > 1 ? "s" : "", bsteps); - - return 0; -} - -static int -dispose_iface(struct device *dev) -{ - struct keywest_iface *iface = dev_get_drvdata(dev); - int i, rc; - - /* Make sure we stop all activity */ - if (pmac_low_i2c_lock(iface->node)) - return -ENODEV; - -#ifndef POLLED_MODE - spin_lock_irq(&iface->lock); - while (iface->state != state_idle) { - spin_unlock_irq(&iface->lock); - msleep(100); - spin_lock_irq(&iface->lock); - } -#endif /* POLLED_MODE */ - iface->state = state_dead; -#ifndef POLLED_MODE - spin_unlock_irq(&iface->lock); - free_irq(iface->irq, iface); -#endif /* POLLED_MODE */ - - pmac_low_i2c_unlock(iface->node); - - /* Release all channels */ - for (i=0; i<iface->chan_count; i++) { - struct keywest_chan* chan = &iface->channels[i]; - if (i2c_get_adapdata(&chan->adapter) == NULL) - continue; - rc = i2c_del_adapter(&chan->adapter); - i2c_set_adapdata(&chan->adapter, NULL); - /* We aren't that prepared to deal with this... */ - if (rc) - printk("i2c-keywest.c: i2c_del_adapter failed, that's bad !\n"); - } - iounmap(iface->base); - dev_set_drvdata(dev, NULL); - of_node_put(iface->node); - kfree(iface); - - return 0; -} - -static int -create_iface_macio(struct macio_dev* dev, const struct of_device_id *match) -{ - return create_iface(dev->ofdev.node, &dev->ofdev.dev); -} - -static int -dispose_iface_macio(struct macio_dev* dev) -{ - return dispose_iface(&dev->ofdev.dev); -} - -static int -create_iface_of_platform(struct of_device* dev, const struct of_device_id *match) -{ - return create_iface(dev->node, &dev->dev); -} - -static int -dispose_iface_of_platform(struct of_device* dev) -{ - return dispose_iface(&dev->dev); -} - -static struct of_device_id i2c_keywest_match[] = -{ - { - .type = "i2c", - .compatible = "keywest" - }, - {}, -}; - -static struct macio_driver i2c_keywest_macio_driver = -{ - .owner = THIS_MODULE, - .name = "i2c-keywest", - .match_table = i2c_keywest_match, - .probe = create_iface_macio, - .remove = dispose_iface_macio -}; - -static struct of_platform_driver i2c_keywest_of_platform_driver = -{ - .owner = THIS_MODULE, - .name = "i2c-keywest", - .match_table = i2c_keywest_match, - .probe = create_iface_of_platform, - .remove = dispose_iface_of_platform -}; - -static int __init -i2c_keywest_init(void) -{ - of_register_driver(&i2c_keywest_of_platform_driver); - macio_register_driver(&i2c_keywest_macio_driver); - - return 0; -} - -static void __exit -i2c_keywest_cleanup(void) -{ - of_unregister_driver(&i2c_keywest_of_platform_driver); - macio_unregister_driver(&i2c_keywest_macio_driver); -} - -module_init(i2c_keywest_init); -module_exit(i2c_keywest_cleanup); diff --git a/drivers/i2c/busses/i2c-keywest.h b/drivers/i2c/busses/i2c-keywest.h deleted file mode 100644 index c5022e1ca6ff..000000000000 --- a/drivers/i2c/busses/i2c-keywest.h +++ /dev/null @@ -1,108 +0,0 @@ -#ifndef __I2C_KEYWEST_H__ -#define __I2C_KEYWEST_H__ - -/* The Tumbler audio equalizer can be really slow sometimes */ -#define POLL_TIMEOUT (2*HZ) - -/* Register indices */ -typedef enum { - reg_mode = 0, - reg_control, - reg_status, - reg_isr, - reg_ier, - reg_addr, - reg_subaddr, - reg_data -} reg_t; - - -/* Mode register */ -#define KW_I2C_MODE_100KHZ 0x00 -#define KW_I2C_MODE_50KHZ 0x01 -#define KW_I2C_MODE_25KHZ 0x02 -#define KW_I2C_MODE_DUMB 0x00 -#define KW_I2C_MODE_STANDARD 0x04 -#define KW_I2C_MODE_STANDARDSUB 0x08 -#define KW_I2C_MODE_COMBINED 0x0C -#define KW_I2C_MODE_MODE_MASK 0x0C -#define KW_I2C_MODE_CHAN_MASK 0xF0 - -/* Control register */ -#define KW_I2C_CTL_AAK 0x01 -#define KW_I2C_CTL_XADDR 0x02 -#define KW_I2C_CTL_STOP 0x04 -#define KW_I2C_CTL_START 0x08 - -/* Status register */ -#define KW_I2C_STAT_BUSY 0x01 -#define KW_I2C_STAT_LAST_AAK 0x02 -#define KW_I2C_STAT_LAST_RW 0x04 -#define KW_I2C_STAT_SDA 0x08 -#define KW_I2C_STAT_SCL 0x10 - -/* IER & ISR registers */ -#define KW_I2C_IRQ_DATA 0x01 -#define KW_I2C_IRQ_ADDR 0x02 -#define KW_I2C_IRQ_STOP 0x04 -#define KW_I2C_IRQ_START 0x08 -#define KW_I2C_IRQ_MASK 0x0F - -/* Physical interface */ -struct keywest_iface -{ - struct device_node *node; - void __iomem * base; - unsigned bsteps; - int irq; - spinlock_t lock; - struct keywest_chan *channels; - unsigned chan_count; - u8 cur_mode; - char read_write; - u8 *data; - unsigned datalen; - int state; - int result; - struct timer_list timeout_timer; - struct completion complete; -}; - -enum { - state_idle, - state_addr, - state_read, - state_write, - state_stop, - state_dead -}; - -/* Channel on an interface */ -struct keywest_chan -{ - struct i2c_adapter adapter; - struct keywest_iface* iface; - unsigned chan_no; -}; - -/* Register access */ - -static inline u8 __read_reg(struct keywest_iface *iface, reg_t reg) -{ - return in_8(iface->base - + (((unsigned)reg) << iface->bsteps)); -} - -static inline void __write_reg(struct keywest_iface *iface, reg_t reg, u8 val) -{ - out_8(iface->base - + (((unsigned)reg) << iface->bsteps), val); - (void)__read_reg(iface, reg_subaddr); -} - -#define write_reg(reg, val) __write_reg(iface, reg, val) -#define read_reg(reg) __read_reg(iface, reg) - - - -#endif /* __I2C_KEYWEST_H__ */ diff --git a/drivers/i2c/busses/i2c-pmac-smu.c b/drivers/i2c/busses/i2c-pmac-smu.c deleted file mode 100644 index bfefe7f7a53d..000000000000 --- a/drivers/i2c/busses/i2c-pmac-smu.c +++ /dev/null @@ -1,315 +0,0 @@ -/* - i2c Support for Apple SMU Controller - - Copyright (c) 2005 Benjamin Herrenschmidt, IBM Corp. - <benh@kernel.crashing.org> - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/i2c.h> -#include <linux/init.h> -#include <linux/completion.h> -#include <linux/device.h> -#include <asm/prom.h> -#include <asm/of_device.h> -#include <asm/smu.h> - -static int probe; - -MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>"); -MODULE_DESCRIPTION("I2C driver for Apple's SMU"); -MODULE_LICENSE("GPL"); -module_param(probe, bool, 0); - - -/* Physical interface */ -struct smu_iface -{ - struct i2c_adapter adapter; - struct completion complete; - u32 busid; -}; - -static void smu_i2c_done(struct smu_i2c_cmd *cmd, void *misc) -{ - struct smu_iface *iface = misc; - complete(&iface->complete); -} - -/* - * SMBUS-type transfer entrypoint - */ -static s32 smu_smbus_xfer( struct i2c_adapter* adap, - u16 addr, - unsigned short flags, - char read_write, - u8 command, - int size, - union i2c_smbus_data* data) -{ - struct smu_iface *iface = i2c_get_adapdata(adap); - struct smu_i2c_cmd cmd; - int rc = 0; - int read = (read_write == I2C_SMBUS_READ); - - cmd.info.bus = iface->busid; - cmd.info.devaddr = (addr << 1) | (read ? 0x01 : 0x00); - - /* Prepare datas & select mode */ - switch (size) { - case I2C_SMBUS_QUICK: - cmd.info.type = SMU_I2C_TRANSFER_SIMPLE; - cmd.info.datalen = 0; - break; - case I2C_SMBUS_BYTE: - cmd.info.type = SMU_I2C_TRANSFER_SIMPLE; - cmd.info.datalen = 1; - if (!read) - cmd.info.data[0] = data->byte; - break; - case I2C_SMBUS_BYTE_DATA: - cmd.info.type = SMU_I2C_TRANSFER_STDSUB; - cmd.info.datalen = 1; - cmd.info.sublen = 1; - cmd.info.subaddr[0] = command; - cmd.info.subaddr[1] = 0; - cmd.info.subaddr[2] = 0; - if (!read) - cmd.info.data[0] = data->byte; - break; - case I2C_SMBUS_WORD_DATA: - cmd.info.type = SMU_I2C_TRANSFER_STDSUB; - cmd.info.datalen = 2; - cmd.info.sublen = 1; - cmd.info.subaddr[0] = command; - cmd.info.subaddr[1] = 0; - cmd.info.subaddr[2] = 0; - if (!read) { - cmd.info.data[0] = data->byte & 0xff; - cmd.info.data[1] = (data->byte >> 8) & 0xff; - } - break; - /* Note that these are broken vs. the expected smbus API where - * on reads, the lenght is actually returned from the function, - * but I think the current API makes no sense and I don't want - * any driver that I haven't verified for correctness to go - * anywhere near a pmac i2c bus anyway ... - */ - case I2C_SMBUS_BLOCK_DATA: - cmd.info.type = SMU_I2C_TRANSFER_STDSUB; - cmd.info.datalen = data->block[0] + 1; - if (cmd.info.datalen > 6) - return -EINVAL; - if (!read) - memcpy(cmd.info.data, data->block, cmd.info.datalen); - cmd.info.sublen = 1; - cmd.info.subaddr[0] = command; - cmd.info.subaddr[1] = 0; - cmd.info.subaddr[2] = 0; - break; - case I2C_SMBUS_I2C_BLOCK_DATA: - cmd.info.type = SMU_I2C_TRANSFER_STDSUB; - cmd.info.datalen = data->block[0]; - if (cmd.info.datalen > 7) - return -EINVAL; - if (!read) - memcpy(cmd.info.data, &data->block[1], - cmd.info.datalen); - cmd.info.sublen = 1; - cmd.info.subaddr[0] = command; - cmd.info.subaddr[1] = 0; - cmd.info.subaddr[2] = 0; - break; - - default: - return -EINVAL; - } - - /* Turn a standardsub read into a combined mode access */ - if (read_write == I2C_SMBUS_READ && - cmd.info.type == SMU_I2C_TRANSFER_STDSUB) - cmd.info.type = SMU_I2C_TRANSFER_COMBINED; - - /* Finish filling command and submit it */ - cmd.done = smu_i2c_done; - cmd.misc = iface; - rc = smu_queue_i2c(&cmd); - if (rc < 0) - return rc; - wait_for_completion(&iface->complete); - rc = cmd.status; - - if (!read || rc < 0) - return rc; - - switch (size) { - case I2C_SMBUS_BYTE: - case I2C_SMBUS_BYTE_DATA: - data->byte = cmd.info.data[0]; - break; - case I2C_SMBUS_WORD_DATA: - data->word = ((u16)cmd.info.data[1]) << 8; - data->word |= cmd.info.data[0]; - break; - /* Note that these are broken vs. the expected smbus API where - * on reads, the lenght is actually returned from the function, - * but I think the current API makes no sense and I don't want - * any driver that I haven't verified for correctness to go - * anywhere near a pmac i2c bus anyway ... - */ - case I2C_SMBUS_BLOCK_DATA: - case I2C_SMBUS_I2C_BLOCK_DATA: - memcpy(&data->block[0], cmd.info.data, cmd.info.datalen); - break; - } - - return rc; -} - -static u32 -smu_smbus_func(struct i2c_adapter * adapter) -{ - return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | - I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_BLOCK_DATA; -} - -/* For now, we only handle combined mode (smbus) */ -static struct i2c_algorithm smu_algorithm = { - .smbus_xfer = smu_smbus_xfer, - .functionality = smu_smbus_func, -}; - -static int create_iface(struct device_node *np, struct device *dev) -{ - struct smu_iface* iface; - u32 *reg, busid; - int rc; - - reg = (u32 *)get_property(np, "reg", NULL); - if (reg == NULL) { - printk(KERN_ERR "i2c-pmac-smu: can't find bus number !\n"); - return -ENXIO; - } - busid = *reg; - - iface = kzalloc(sizeof(struct smu_iface), GFP_KERNEL); - if (iface == NULL) { - printk(KERN_ERR "i2c-pmac-smu: can't allocate inteface !\n"); - return -ENOMEM; - } - init_completion(&iface->complete); - iface->busid = busid; - - dev_set_drvdata(dev, iface); - - sprintf(iface->adapter.name, "smu-i2c-%02x", busid); - iface->adapter.algo = &smu_algorithm; - iface->adapter.algo_data = NULL; - iface->adapter.client_register = NULL; - iface->adapter.client_unregister = NULL; - i2c_set_adapdata(&iface->adapter, iface); - iface->adapter.dev.parent = dev; - - rc = i2c_add_adapter(&iface->adapter); - if (rc) { - printk(KERN_ERR "i2c-pamc-smu.c: Adapter %s registration " - "failed\n", iface->adapter.name); - i2c_set_adapdata(&iface->adapter, NULL); - } - - if (probe) { - unsigned char addr; - printk("Probe: "); - for (addr = 0x00; addr <= 0x7f; addr++) { - if (i2c_smbus_xfer(&iface->adapter,addr, - 0,0,0,I2C_SMBUS_QUICK,NULL) >= 0) - printk("%02x ", addr); - } - printk("\n"); - } - - printk(KERN_INFO "SMU i2c bus %x registered\n", busid); - - return 0; -} - -static int dispose_iface(struct device *dev) -{ - struct smu_iface *iface = dev_get_drvdata(dev); - int rc; - - rc = i2c_del_adapter(&iface->adapter); - i2c_set_adapdata(&iface->adapter, NULL); - /* We aren't that prepared to deal with this... */ - if (rc) - printk("i2c-pmac-smu.c: Failed to remove bus %s !\n", - iface->adapter.name); - dev_set_drvdata(dev, NULL); - kfree(iface); - - return 0; -} - - -static int create_iface_of_platform(struct of_device* dev, - const struct of_device_id *match) -{ - return create_iface(dev->node, &dev->dev); -} - - -static int dispose_iface_of_platform(struct of_device* dev) -{ - return dispose_iface(&dev->dev); -} - - -static struct of_device_id i2c_smu_match[] = -{ - { - .compatible = "smu-i2c", - }, - {}, -}; -static struct of_platform_driver i2c_smu_of_platform_driver = -{ - .name = "i2c-smu", - .match_table = i2c_smu_match, - .probe = create_iface_of_platform, - .remove = dispose_iface_of_platform -}; - - -static int __init i2c_pmac_smu_init(void) -{ - of_register_driver(&i2c_smu_of_platform_driver); - return 0; -} - - -static void __exit i2c_pmac_smu_cleanup(void) -{ - of_unregister_driver(&i2c_smu_of_platform_driver); -} - -module_init(i2c_pmac_smu_init); -module_exit(i2c_pmac_smu_cleanup); diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c new file mode 100644 index 000000000000..df786eb55295 --- /dev/null +++ b/drivers/i2c/busses/i2c-powermac.c @@ -0,0 +1,290 @@ +/* + i2c Support for Apple SMU Controller + + Copyright (c) 2005 Benjamin Herrenschmidt, IBM Corp. + <benh@kernel.crashing.org> + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/completion.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <asm/prom.h> +#include <asm/pmac_low_i2c.h> + +MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>"); +MODULE_DESCRIPTION("I2C driver for Apple PowerMac"); +MODULE_LICENSE("GPL"); + +/* + * SMBUS-type transfer entrypoint + */ +static s32 i2c_powermac_smbus_xfer( struct i2c_adapter* adap, + u16 addr, + unsigned short flags, + char read_write, + u8 command, + int size, + union i2c_smbus_data* data) +{ + struct pmac_i2c_bus *bus = i2c_get_adapdata(adap); + int rc = 0; + int read = (read_write == I2C_SMBUS_READ); + int addrdir = (addr << 1) | read; + u8 local[2]; + + rc = pmac_i2c_open(bus, 0); + if (rc) + return rc; + + switch (size) { + case I2C_SMBUS_QUICK: + rc = pmac_i2c_setmode(bus, pmac_i2c_mode_std); + if (rc) + goto bail; + rc = pmac_i2c_xfer(bus, addrdir, 0, 0, NULL, 0); + break; + case I2C_SMBUS_BYTE: + rc = pmac_i2c_setmode(bus, pmac_i2c_mode_std); + if (rc) + goto bail; + rc = pmac_i2c_xfer(bus, addrdir, 0, 0, &data->byte, 1); + break; + case I2C_SMBUS_BYTE_DATA: + rc = pmac_i2c_setmode(bus, read ? + pmac_i2c_mode_combined : + pmac_i2c_mode_stdsub); + if (rc) + goto bail; + rc = pmac_i2c_xfer(bus, addrdir, 1, command, &data->byte, 1); + break; + case I2C_SMBUS_WORD_DATA: + rc = pmac_i2c_setmode(bus, read ? + pmac_i2c_mode_combined : + pmac_i2c_mode_stdsub); + if (rc) + goto bail; + if (!read) { + local[0] = data->word & 0xff; + local[1] = (data->word >> 8) & 0xff; + } + rc = pmac_i2c_xfer(bus, addrdir, 1, command, local, 2); + if (rc == 0 && read) { + data->word = ((u16)local[1]) << 8; + data->word |= local[0]; + } + break; + + /* Note that these are broken vs. the expected smbus API where + * on reads, the lenght is actually returned from the function, + * but I think the current API makes no sense and I don't want + * any driver that I haven't verified for correctness to go + * anywhere near a pmac i2c bus anyway ... + * + * I'm also not completely sure what kind of phases to do between + * the actual command and the data (what I am _supposed_ to do that + * is). For now, I assume writes are a single stream and reads have + * a repeat start/addr phase (but not stop in between) + */ + case I2C_SMBUS_BLOCK_DATA: + rc = pmac_i2c_setmode(bus, read ? + pmac_i2c_mode_combined : + pmac_i2c_mode_stdsub); + if (rc) + goto bail; + rc = pmac_i2c_xfer(bus, addrdir, 1, command, data->block, + data->block[0] + 1); + + break; + case I2C_SMBUS_I2C_BLOCK_DATA: + rc = pmac_i2c_setmode(bus, read ? + pmac_i2c_mode_combined : + pmac_i2c_mode_stdsub); + if (rc) + goto bail; + rc = pmac_i2c_xfer(bus, addrdir, 1, command, + read ? data->block : &data->block[1], + data->block[0]); + break; + + default: + rc = -EINVAL; + } + bail: + pmac_i2c_close(bus); + return rc; +} + +/* + * Generic i2c master transfer entrypoint. This driver only support single + * messages (for "lame i2c" transfers). Anything else should use the smbus + * entry point + */ +static int i2c_powermac_master_xfer( struct i2c_adapter *adap, + struct i2c_msg *msgs, + int num) +{ + struct pmac_i2c_bus *bus = i2c_get_adapdata(adap); + int rc = 0; + int read; + int addrdir; + + if (num != 1) + return -EINVAL; + if (msgs->flags & I2C_M_TEN) + return -EINVAL; + read = (msgs->flags & I2C_M_RD) != 0; + addrdir = (msgs->addr << 1) | read; + if (msgs->flags & I2C_M_REV_DIR_ADDR) + addrdir ^= 1; + + rc = pmac_i2c_open(bus, 0); + if (rc) + return rc; + rc = pmac_i2c_setmode(bus, pmac_i2c_mode_std); + if (rc) + goto bail; + rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len); + bail: + pmac_i2c_close(bus); + return rc < 0 ? rc : msgs->len; +} + +static u32 i2c_powermac_func(struct i2c_adapter * adapter) +{ + return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_I2C; +} + +/* For now, we only handle smbus */ +static struct i2c_algorithm i2c_powermac_algorithm = { + .smbus_xfer = i2c_powermac_smbus_xfer, + .master_xfer = i2c_powermac_master_xfer, + .functionality = i2c_powermac_func, +}; + + +static int i2c_powermac_remove(struct device *dev) +{ + struct i2c_adapter *adapter = dev_get_drvdata(dev); + struct pmac_i2c_bus *bus = i2c_get_adapdata(adapter); + int rc; + + rc = i2c_del_adapter(adapter); + pmac_i2c_detach_adapter(bus, adapter); + i2c_set_adapdata(adapter, NULL); + /* We aren't that prepared to deal with this... */ + if (rc) + printk("i2c-powermac.c: Failed to remove bus %s !\n", + adapter->name); + dev_set_drvdata(dev, NULL); + kfree(adapter); + + return 0; +} + + +static int i2c_powermac_probe(struct device *dev) +{ + struct pmac_i2c_bus *bus = dev->platform_data; + struct device_node *parent = NULL; + struct i2c_adapter *adapter; + char name[32], *basename; + int rc; + + if (bus == NULL) + return -EINVAL; + + /* Ok, now we need to make up a name for the interface that will + * match what we used to do in the past, that is basically the + * controller's parent device node for keywest. PMU didn't have a + * naming convention and SMU has a different one + */ + switch(pmac_i2c_get_type(bus)) { + case pmac_i2c_bus_keywest: + parent = of_get_parent(pmac_i2c_get_controller(bus)); + if (parent == NULL) + return -EINVAL; + basename = parent->name; + break; + case pmac_i2c_bus_pmu: + basename = "pmu"; + break; + case pmac_i2c_bus_smu: + /* This is not what we used to do but I'm fixing drivers at + * the same time as this change + */ + basename = "smu"; + break; + default: + return -EINVAL; + } + snprintf(name, 32, "%s %d", basename, pmac_i2c_get_channel(bus)); + of_node_put(parent); + + adapter = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL); + if (adapter == NULL) { + printk(KERN_ERR "i2c-powermac: can't allocate inteface !\n"); + return -ENOMEM; + } + dev_set_drvdata(dev, adapter); + strcpy(adapter->name, name); + adapter->algo = &i2c_powermac_algorithm; + i2c_set_adapdata(adapter, bus); + adapter->dev.parent = dev; + pmac_i2c_attach_adapter(bus, adapter); + rc = i2c_add_adapter(adapter); + if (rc) { + printk(KERN_ERR "i2c-powermac: Adapter %s registration " + "failed\n", name); + i2c_set_adapdata(adapter, NULL); + pmac_i2c_detach_adapter(bus, adapter); + } + + printk(KERN_INFO "PowerMac i2c bus %s registered\n", name); + return rc; +} + + +static struct device_driver i2c_powermac_driver = { + .name = "i2c-powermac", + .bus = &platform_bus_type, + .probe = i2c_powermac_probe, + .remove = i2c_powermac_remove, +}; + +static int __init i2c_powermac_init(void) +{ + driver_register(&i2c_powermac_driver); + return 0; +} + + +static void __exit i2c_powermac_cleanup(void) +{ + driver_unregister(&i2c_powermac_driver); +} + +module_init(i2c_powermac_init); +module_exit(i2c_powermac_cleanup); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index d31117eb95aa..e4d55ad32d2f 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1332,8 +1332,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block) if (cdrom_read_from_buffer(drive)) return ide_stopped; - blk_attempt_remerge(drive->queue, rq); - /* Clear the local sector buffer. */ info->nsectors_buffered = 0; @@ -1874,14 +1872,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq) return ide_stopped; } - /* - * for dvd-ram and such media, it's a really big deal to get - * big writes all the time. so scour the queue and attempt to - * remerge requests, often the plugging will not have had time - * to do this properly - */ - blk_attempt_remerge(drive->queue, rq); - info->nsectors_buffered = 0; /* use dma, if possible. we don't need to check more, since we diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index b5dc6df8e67d..dea2d4dcc698 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -55,9 +55,22 @@ #include <asm/io.h> #include <asm/bitops.h> +void ide_softirq_done(struct request *rq) +{ + request_queue_t *q = rq->q; + + add_disk_randomness(rq->rq_disk); + end_that_request_chunk(rq, rq->errors, rq->data_len); + + spin_lock_irq(q->queue_lock); + end_that_request_last(rq, rq->errors); + spin_unlock_irq(q->queue_lock); +} + int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate, int nr_sectors) { + unsigned int nbytes; int ret = 1; BUG_ON(!(rq->flags & REQ_STARTED)); @@ -81,17 +94,28 @@ int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate, HWGROUP(drive)->hwif->ide_dma_on(drive); } - if (!end_that_request_first(rq, uptodate, nr_sectors)) { - add_disk_randomness(rq->rq_disk); - - if (blk_rq_tagged(rq)) - blk_queue_end_tag(drive->queue, rq); - + /* + * For partial completions (or non fs/pc requests), use the regular + * direct completion path. + */ + nbytes = nr_sectors << 9; + if (rq_all_done(rq, nbytes)) { + rq->errors = uptodate; + rq->data_len = nbytes; blkdev_dequeue_request(rq); HWGROUP(drive)->rq = NULL; - end_that_request_last(rq, uptodate); + blk_complete_request(rq); ret = 0; + } else { + if (!end_that_request_first(rq, uptodate, nr_sectors)) { + add_disk_randomness(rq->rq_disk); + blkdev_dequeue_request(rq); + HWGROUP(drive)->rq = NULL; + end_that_request_last(rq, uptodate); + ret = 0; + } } + return ret; } EXPORT_SYMBOL(__ide_end_request); @@ -113,6 +137,10 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors) unsigned long flags; int ret = 1; + /* + * room for locking improvements here, the calls below don't + * need the queue lock held at all + */ spin_lock_irqsave(&ide_lock, flags); rq = HWGROUP(drive)->rq; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 02167a5b751d..1ddaa71a8f45 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1011,6 +1011,8 @@ static int ide_init_queue(ide_drive_t *drive) blk_queue_max_hw_segments(q, max_sg_entries); blk_queue_max_phys_segments(q, max_sg_entries); + blk_queue_softirq_done(q, ide_softirq_done); + /* assign drive queue */ drive->queue = q; diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 16b28357885b..5013b1285e22 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1271,7 +1271,7 @@ static int pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif) { struct device_node *np = pmif->node; - int *bidp, i; + int *bidp; pmif->cable_80 = 0; pmif->broken_dma = pmif->broken_dma_warn = 0; @@ -1430,7 +1430,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) pmif = &pmac_ide[i]; hwif = &ide_hwifs[i]; - if (mdev->ofdev.node->n_addrs == 0) { + if (macio_resource_count(mdev) == 0) { printk(KERN_WARNING "ide%d: no address for %s\n", i, mdev->ofdev.node->full_name); return -ENXIO; @@ -1686,7 +1686,7 @@ pmac_ide_probe(void) #else macio_register_driver(&pmac_ide_macio_driver); pci_register_driver(&pmac_ide_pci_driver); -#endif +#endif } #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index a0ea44c3e8b1..7d4a0ac28c06 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -149,14 +149,14 @@ config MAC_EMUMOUSEBTN config THERM_WINDTUNNEL tristate "Support for thermal management on Windtunnel G4s" - depends on I2C && I2C_KEYWEST && PPC_PMAC && !PPC_PMAC64 + depends on I2C && I2C_POWERMAC && PPC_PMAC && !PPC_PMAC64 help This driver provides some thermostat and fan control for the desktop G4 "Windtunnel" config THERM_ADT746X tristate "Support for thermal mgmnt on laptops with ADT 746x chipset" - depends on I2C && I2C_KEYWEST && PPC_PMAC && !PPC_PMAC64 + depends on I2C && I2C_POWERMAC && PPC_PMAC && !PPC_PMAC64 help This driver provides some thermostat and fan control for the iBook G4, and the ATI based aluminium PowerBooks, allowing slighlty @@ -164,7 +164,7 @@ config THERM_ADT746X config THERM_PM72 tristate "Support for thermal management on PowerMac G5" - depends on I2C && I2C_KEYWEST && PPC_PMAC64 + depends on I2C && I2C_POWERMAC && PPC_PMAC64 help This driver provides thermostat and fan control for the desktop G5 machines. @@ -175,14 +175,14 @@ config WINDFARM config WINDFARM_PM81 tristate "Support for thermal management on iMac G5" depends on WINDFARM && I2C && CPU_FREQ_PMAC64 && PMAC_SMU - select I2C_PMAC_SMU + select I2C_POWERMAC help This driver provides thermal control for the iMacG5 config WINDFARM_PM91 tristate "Support for thermal management on PowerMac9,1" depends on WINDFARM && I2C && CPU_FREQ_PMAC64 && PMAC_SMU - select I2C_PMAC_SMU + select I2C_POWERMAC help This driver provides thermal control for the PowerMac9,1 which is the recent (SMU based) single CPU desktop G5 diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 228e1852a836..2a545ceb523b 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -3,6 +3,13 @@ * a MacIO ASIC. Interface to new driver model mostly * stolen from the PCI version. * + * Copyright (C) 2005 Ben. Herrenschmidt (benh@kernel.crashing.org) + * + * 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. + * * TODO: * * - Don't probe below media bay by default, but instead provide @@ -218,12 +225,14 @@ postcore_initcall(macio_bus_driver_init); /** - * macio_release_dev - free a macio device structure when all users of it are finished. + * macio_release_dev - free a macio device structure when all users of it are + * finished. * @dev: device that's been disconnected * - * Will be called only by the device core when all users of this macio device are - * done. This currently means never as we don't hot remove any macio device yet, - * though that will happen with mediabay based devices in a later implementation. + * Will be called only by the device core when all users of this macio device + * are done. This currently means never as we don't hot remove any macio + * device yet, though that will happen with mediabay based devices in a later + * implementation. */ static void macio_release_dev(struct device *dev) { @@ -242,49 +251,114 @@ static void macio_release_dev(struct device *dev) * If this routine returns non-null, then the resource is completely * skipped. */ -static int macio_resource_quirks(struct device_node *np, struct resource *res, int index) +static int macio_resource_quirks(struct device_node *np, struct resource *res, + int index) { if (res->flags & IORESOURCE_MEM) { /* Grand Central has too large resource 0 on some machines */ - if (index == 0 && !strcmp(np->name, "gc")) { - np->addrs[0].size = 0x20000; + if (index == 0 && !strcmp(np->name, "gc")) res->end = res->start + 0x1ffff; - } + /* Airport has bogus resource 2 */ if (index >= 2 && !strcmp(np->name, "radio")) return 1; + +#ifndef CONFIG_PPC64 /* DBDMAs may have bogus sizes */ - if ((res->start & 0x0001f000) == 0x00008000) { - np->addrs[index].size = 0x100; + if ((res->start & 0x0001f000) == 0x00008000) res->end = res->start + 0xff; - } - /* ESCC parent eats child resources. We could have added a level of hierarchy, - * but I don't really feel the need for it */ +#endif /* CONFIG_PPC64 */ + + /* ESCC parent eats child resources. We could have added a + * level of hierarchy, but I don't really feel the need + * for it + */ if (!strcmp(np->name, "escc")) return 1; + /* ESCC has bogus resources >= 3 */ - if (index >= 3 && !(strcmp(np->name, "ch-a") && strcmp(np->name, "ch-b"))) + if (index >= 3 && !(strcmp(np->name, "ch-a") && + strcmp(np->name, "ch-b"))) return 1; + /* Media bay has too many resources, keep only first one */ if (index > 0 && !strcmp(np->name, "media-bay")) return 1; + /* Some older IDE resources have bogus sizes */ if (!(strcmp(np->name, "IDE") && strcmp(np->name, "ATA") && strcmp(np->type, "ide") && strcmp(np->type, "ata"))) { - if (index == 0 && np->addrs[0].size > 0x1000) { - np->addrs[0].size = 0x1000; + if (index == 0 && (res->end - res->start) > 0xfff) res->end = res->start + 0xfff; - } - if (index == 1 && np->addrs[1].size > 0x100) { - np->addrs[1].size = 0x100; + if (index == 1 && (res->end - res->start) > 0xff) res->end = res->start + 0xff; - } } } return 0; } +static void macio_setup_interrupts(struct macio_dev *dev) +{ + struct device_node *np = dev->ofdev.node; + int i,j; + + /* For now, we use pre-parsed entries in the device-tree for + * interrupt routing and addresses, but we should change that + * to dynamically parsed entries and so get rid of most of the + * clutter in struct device_node + */ + for (i = j = 0; i < np->n_intrs; i++) { + struct resource *res = &dev->interrupt[j]; + + if (j >= MACIO_DEV_COUNT_IRQS) + break; + res->start = np->intrs[i].line; + res->flags = IORESOURCE_IO; + if (np->intrs[j].sense) + res->flags |= IORESOURCE_IRQ_LOWLEVEL; + else + res->flags |= IORESOURCE_IRQ_HIGHEDGE; + res->name = dev->ofdev.dev.bus_id; + if (macio_resource_quirks(np, res, i)) + memset(res, 0, sizeof(struct resource)); + else + j++; + } + dev->n_interrupts = j; +} + +static void macio_setup_resources(struct macio_dev *dev, + struct resource *parent_res) +{ + struct device_node *np = dev->ofdev.node; + struct resource r; + int index; + + for (index = 0; of_address_to_resource(np, index, &r) == 0; index++) { + struct resource *res = &dev->resource[index]; + if (index >= MACIO_DEV_COUNT_RESOURCES) + break; + *res = r; + res->name = dev->ofdev.dev.bus_id; + + if (macio_resource_quirks(np, res, index)) { + memset(res, 0, sizeof(struct resource)); + continue; + } + /* Currently, we consider failure as harmless, this may + * change in the future, once I've found all the device + * tree bugs in older machines & worked around them + */ + if (insert_resource(parent_res, res)) { + printk(KERN_WARNING "Can't request resource " + "%d for MacIO device %s\n", + index, dev->ofdev.dev.bus_id); + } + } + dev->n_resources = index; +} + /** * macio_add_one_device - Add one device from OF node to the device tree * @chip: pointer to the macio_chip holding the device @@ -294,12 +368,13 @@ static int macio_resource_quirks(struct device_node *np, struct resource *res, i * When media-bay is changed to hotswap drivers, this function will * be exposed to the bay driver some way... */ -static struct macio_dev * macio_add_one_device(struct macio_chip *chip, struct device *parent, - struct device_node *np, struct macio_dev *in_bay, +static struct macio_dev * macio_add_one_device(struct macio_chip *chip, + struct device *parent, + struct device_node *np, + struct macio_dev *in_bay, struct resource *parent_res) { struct macio_dev *dev; - int i, j; u32 *reg; if (np == NULL) @@ -326,7 +401,8 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip, struct d /* MacIO itself has a different reg, we use it's PCI base */ if (np == chip->of_node) { - sprintf(dev->ofdev.dev.bus_id, "%1d.%08lx:%.*s", chip->lbus.index, + sprintf(dev->ofdev.dev.bus_id, "%1d.%08lx:%.*s", + chip->lbus.index, #ifdef CONFIG_PCI pci_resource_start(chip->lbus.pdev, 0), #else @@ -335,57 +411,16 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip, struct d MAX_NODE_NAME_SIZE, np->name); } else { reg = (u32 *)get_property(np, "reg", NULL); - sprintf(dev->ofdev.dev.bus_id, "%1d.%08x:%.*s", chip->lbus.index, + sprintf(dev->ofdev.dev.bus_id, "%1d.%08x:%.*s", + chip->lbus.index, reg ? *reg : 0, MAX_NODE_NAME_SIZE, np->name); } - /* For now, we use pre-parsed entries in the device-tree for - * interrupt routing and addresses, but we should change that - * to dynamically parsed entries and so get rid of most of the - * clutter in struct device_node - */ - for (i = j = 0; i < np->n_intrs; i++) { - struct resource *res = &dev->interrupt[j]; - - if (j >= MACIO_DEV_COUNT_IRQS) - break; - res->start = np->intrs[i].line; - res->flags = IORESOURCE_IO; - if (np->intrs[j].sense) - res->flags |= IORESOURCE_IRQ_LOWLEVEL; - else - res->flags |= IORESOURCE_IRQ_HIGHEDGE; - res->name = dev->ofdev.dev.bus_id; - if (macio_resource_quirks(np, res, i)) - memset(res, 0, sizeof(struct resource)); - else - j++; - } - dev->n_interrupts = j; - for (i = j = 0; i < np->n_addrs; i++) { - struct resource *res = &dev->resource[j]; - - if (j >= MACIO_DEV_COUNT_RESOURCES) - break; - res->start = np->addrs[i].address; - res->end = np->addrs[i].address + np->addrs[i].size - 1; - res->flags = IORESOURCE_MEM; - res->name = dev->ofdev.dev.bus_id; - if (macio_resource_quirks(np, res, i)) - memset(res, 0, sizeof(struct resource)); - else { - j++; - /* Currently, we consider failure as harmless, this may - * change in the future, once I've found all the device - * tree bugs in older machines & worked around them - */ - if (insert_resource(parent_res, res)) - printk(KERN_WARNING "Can't request resource %d for MacIO" - " device %s\n", i, dev->ofdev.dev.bus_id); - } - } - dev->n_resources = j; + /* Setup interrupts & resources */ + macio_setup_interrupts(dev); + macio_setup_resources(dev, parent_res); + /* Register with core */ if (of_device_register(&dev->ofdev) != 0) { printk(KERN_DEBUG"macio: device registration error for %s!\n", dev->ofdev.dev.bus_id); @@ -442,36 +477,42 @@ static void macio_pci_add_devices(struct macio_chip *chip) /* First scan 1st level */ for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) { - if (!macio_skip_device(np)) { - of_node_get(np); - mdev = macio_add_one_device(chip, &rdev->ofdev.dev, np, NULL, root_res); - if (mdev == NULL) - of_node_put(np); - else if (strncmp(np->name, "media-bay", 9) == 0) - mbdev = mdev; - else if (strncmp(np->name, "escc", 4) == 0) - sdev = mdev; - } + if (macio_skip_device(np)) + continue; + of_node_get(np); + mdev = macio_add_one_device(chip, &rdev->ofdev.dev, np, NULL, + root_res); + if (mdev == NULL) + of_node_put(np); + else if (strncmp(np->name, "media-bay", 9) == 0) + mbdev = mdev; + else if (strncmp(np->name, "escc", 4) == 0) + sdev = mdev; } /* Add media bay devices if any */ if (mbdev) - for (np = NULL; (np = of_get_next_child(mbdev->ofdev.node, np)) != NULL;) - if (!macio_skip_device(np)) { - of_node_get(np); - if (macio_add_one_device(chip, &mbdev->ofdev.dev, np, mbdev, - root_res) == NULL) - of_node_put(np); - } + for (np = NULL; (np = of_get_next_child(mbdev->ofdev.node, np)) + != NULL;) { + if (macio_skip_device(np)) + continue; + of_node_get(np); + if (macio_add_one_device(chip, &mbdev->ofdev.dev, np, + mbdev, root_res) == NULL) + of_node_put(np); + } + /* Add serial ports if any */ if (sdev) { - for (np = NULL; (np = of_get_next_child(sdev->ofdev.node, np)) != NULL;) - if (!macio_skip_device(np)) { - of_node_get(np); - if (macio_add_one_device(chip, &sdev->ofdev.dev, np, NULL, - root_res) == NULL) - of_node_put(np); - } + for (np = NULL; (np = of_get_next_child(sdev->ofdev.node, np)) + != NULL;) { + if (macio_skip_device(np)) + continue; + of_node_get(np); + if (macio_add_one_device(chip, &sdev->ofdev.dev, np, + NULL, root_res) == NULL) + of_node_put(np); + } } } @@ -519,7 +560,8 @@ void macio_unregister_driver(struct macio_driver *drv) * Returns 0 on success, or %EBUSY on error. A warning * message is also printed on failure. */ -int macio_request_resource(struct macio_dev *dev, int resource_no, const char *name) +int macio_request_resource(struct macio_dev *dev, int resource_no, + const char *name) { if (macio_resource_len(dev, resource_no) == 0) return 0; @@ -606,20 +648,20 @@ static int __devinit macio_pci_probe(struct pci_dev *pdev, const struct pci_devi if (ent->vendor != PCI_VENDOR_ID_APPLE) return -ENODEV; - /* Note regarding refcounting: We assume pci_device_to_OF_node() is ported - * to new OF APIs and returns a node with refcount incremented. This isn't - * the case today, but on the other hand ppc32 doesn't do refcounting. This - * will have to be fixed when going to ppc64. --BenH. + /* Note regarding refcounting: We assume pci_device_to_OF_node() is + * ported to new OF APIs and returns a node with refcount incremented. */ np = pci_device_to_OF_node(pdev); if (np == NULL) return -ENODEV; - /* This assumption is wrong, fix that here for now until I fix the arch */ + /* The above assumption is wrong !!! + * fix that here for now until I fix the arch code + */ of_node_get(np); - /* We also assume that pmac_feature will have done a get() on nodes stored - * in the macio chips array + /* We also assume that pmac_feature will have done a get() on nodes + * stored in the macio chips array */ chip = macio_find(np, macio_unknown); of_node_put(np); @@ -639,9 +681,9 @@ static int __devinit macio_pci_probe(struct pci_dev *pdev, const struct pci_devi /* * HACK ALERT: The WallStreet PowerBook and some OHare based machines - * have 2 macio ASICs. I must probe the "main" one first or IDE ordering - * will be incorrect. So I put on "hold" the second one since it seem to - * appear first on PCI + * have 2 macio ASICs. I must probe the "main" one first or IDE + * ordering will be incorrect. So I put on "hold" the second one since + * it seem to appear first on PCI */ if (chip->type == macio_gatwick || chip->type == macio_ohareII) if (macio_chips[0].lbus.pdev == NULL) { diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index b856bb67169c..8dbf2852bae0 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -647,6 +647,7 @@ static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_de struct media_bay_info* bay; u32 __iomem *regbase; struct device_node *ofnode; + unsigned long base; int i; ofnode = mdev->ofdev.node; @@ -656,10 +657,11 @@ static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_de if (macio_request_resources(mdev, "media-bay")) return -EBUSY; /* Media bay registers are located at the beginning of the - * mac-io chip, we get the parent address for now (hrm...) + * mac-io chip, for now, we trick and align down the first + * resource passed in */ - regbase = (u32 __iomem *) - ioremap(ofnode->parent->addrs[0].address, 0x100); + base = macio_resource_start(mdev, 0) & 0xffff0000u; + regbase = (u32 __iomem *)ioremap(base, 0x100); if (regbase == NULL) { macio_release_resources(mdev); return -ENOMEM; diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index e8378274d710..db2ae71d07ef 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -53,7 +53,7 @@ #undef DEBUG_SMU #ifdef DEBUG_SMU -#define DPRINTK(fmt, args...) do { udbg_printf(KERN_DEBUG fmt , ##args); } while (0) +#define DPRINTK(fmt, args...) do { printk(KERN_DEBUG fmt , ##args); } while (0) #else #define DPRINTK(fmt, args...) do { } while (0) #endif @@ -94,6 +94,8 @@ struct smu_device { static struct smu_device *smu; static DECLARE_MUTEX(smu_part_access); +static void smu_i2c_retry(unsigned long data); + /* * SMU driver low level stuff */ @@ -469,7 +471,6 @@ int __init smu_init (void) smu->of_node = np; smu->db_irq = NO_IRQ; smu->msg_irq = NO_IRQ; - init_timer(&smu->i2c_timer); /* smu_cmdbuf_abs is in the low 2G of RAM, can be converted to a * 32 bits value safely @@ -544,6 +545,10 @@ static int smu_late_init(void) if (!smu) return 0; + init_timer(&smu->i2c_timer); + smu->i2c_timer.function = smu_i2c_retry; + smu->i2c_timer.data = (unsigned long)smu; + /* * Try to request the interrupts */ @@ -570,7 +575,10 @@ static int smu_late_init(void) return 0; } -arch_initcall(smu_late_init); +/* This has to be before arch_initcall as the low i2c stuff relies on the + * above having been done before we reach arch_initcalls + */ +core_initcall(smu_late_init); /* * sysfs visibility @@ -580,20 +588,10 @@ static void smu_expose_childs(void *unused) { struct device_node *np; - for (np = NULL; (np = of_get_next_child(smu->of_node, np)) != NULL;) { - if (device_is_compatible(np, "smu-i2c")) { - char name[32]; - u32 *reg = (u32 *)get_property(np, "reg", NULL); - - if (reg == NULL) - continue; - sprintf(name, "smu-i2c-%02x", *reg); - of_platform_device_create(np, name, &smu->of_dev->dev); - } + for (np = NULL; (np = of_get_next_child(smu->of_node, np)) != NULL;) if (device_is_compatible(np, "smu-sensors")) - of_platform_device_create(np, "smu-sensors", &smu->of_dev->dev); - } - + of_platform_device_create(np, "smu-sensors", + &smu->of_dev->dev); } static DECLARE_WORK(smu_expose_childs_work, smu_expose_childs, NULL); @@ -712,13 +710,13 @@ static void smu_i2c_complete_command(struct smu_i2c_cmd *cmd, int fail) static void smu_i2c_retry(unsigned long data) { - struct smu_i2c_cmd *cmd = (struct smu_i2c_cmd *)data; + struct smu_i2c_cmd *cmd = smu->cmd_i2c_cur; DPRINTK("SMU: i2c failure, requeuing...\n"); /* requeue command simply by resetting reply_len */ cmd->pdata[0] = 0xff; - cmd->scmd.reply_len = 0x10; + cmd->scmd.reply_len = sizeof(cmd->pdata); smu_queue_cmd(&cmd->scmd); } @@ -747,10 +745,8 @@ static void smu_i2c_low_completion(struct smu_cmd *scmd, void *misc) */ if (fail && --cmd->retries > 0) { DPRINTK("SMU: i2c failure, starting timer...\n"); - smu->i2c_timer.function = smu_i2c_retry; - smu->i2c_timer.data = (unsigned long)cmd; - smu->i2c_timer.expires = jiffies + msecs_to_jiffies(5); - add_timer(&smu->i2c_timer); + BUG_ON(cmd != smu->cmd_i2c_cur); + mod_timer(&smu->i2c_timer, jiffies + msecs_to_jiffies(5)); return; } @@ -764,7 +760,7 @@ static void smu_i2c_low_completion(struct smu_cmd *scmd, void *misc) /* Ok, initial command complete, now poll status */ scmd->reply_buf = cmd->pdata; - scmd->reply_len = 0x10; + scmd->reply_len = sizeof(cmd->pdata); scmd->data_buf = cmd->pdata; scmd->data_len = 1; cmd->pdata[0] = 0; @@ -786,7 +782,7 @@ int smu_queue_i2c(struct smu_i2c_cmd *cmd) cmd->scmd.done = smu_i2c_low_completion; cmd->scmd.misc = cmd; cmd->scmd.reply_buf = cmd->pdata; - cmd->scmd.reply_len = 0x10; + cmd->scmd.reply_len = sizeof(cmd->pdata); cmd->scmd.data_buf = (u8 *)(char *)&cmd->info; cmd->scmd.status = 1; cmd->stage = 0; @@ -909,10 +905,13 @@ static struct smu_sdbp_header *smu_create_sdb_partition(int id) struct property *prop; /* First query the partition info */ + DPRINTK("SMU: Query partition infos ... (irq=%d)\n", smu->db_irq); smu_queue_simple(&cmd, SMU_CMD_PARTITION_COMMAND, 2, smu_done_complete, &comp, SMU_CMD_PARTITION_LATEST, id); wait_for_completion(&comp); + DPRINTK("SMU: done, status: %d, reply_len: %d\n", + cmd.cmd.status, cmd.cmd.reply_len); /* Partition doesn't exist (or other error) */ if (cmd.cmd.status != 0 || cmd.cmd.reply_len != 6) @@ -975,6 +974,8 @@ struct smu_sdbp_header *__smu_get_sdb_partition(int id, unsigned int *size, sprintf(pname, "sdb-partition-%02x", id); + DPRINTK("smu_get_sdb_partition(%02x)\n", id); + if (interruptible) { int rc; rc = down_interruptible(&smu_part_access); @@ -986,6 +987,7 @@ struct smu_sdbp_header *__smu_get_sdb_partition(int id, unsigned int *size, part = (struct smu_sdbp_header *)get_property(smu->of_node, pname, size); if (part == NULL) { + DPRINTK("trying to extract from SMU ...\n"); part = smu_create_sdb_partition(id); if (part != NULL && size) *size = part->len << 2; diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c index d843a6c9c6df..2d9d79150403 100644 --- a/drivers/macintosh/via-cuda.c +++ b/drivers/macintosh/via-cuda.c @@ -127,39 +127,34 @@ struct adb_driver via_cuda_driver = { #endif /* CONFIG_ADB */ #ifdef CONFIG_PPC -int __init -find_via_cuda(void) +int __init find_via_cuda(void) { - int err; struct adb_request req; + phys_addr_t taddr; + u32 *reg; + int err; if (vias != 0) return 1; - vias = find_devices("via-cuda"); + vias = of_find_node_by_name(NULL, "via-cuda"); if (vias == 0) return 0; - if (vias->next != 0) - printk(KERN_WARNING "Warning: only using 1st via-cuda\n"); - -#if 0 - { int i; - - printk("find_via_cuda: node = %p, addrs =", vias->node); - for (i = 0; i < vias->n_addrs; ++i) - printk(" %x(%x)", vias->addrs[i].address, vias->addrs[i].size); - printk(", intrs ="); - for (i = 0; i < vias->n_intrs; ++i) - printk(" %x", vias->intrs[i].line); - printk("\n"); } -#endif - if (vias->n_addrs != 1 || vias->n_intrs != 1) { - printk(KERN_ERR "via-cuda: expecting 1 address (%d) and 1 interrupt (%d)\n", - vias->n_addrs, vias->n_intrs); - if (vias->n_addrs < 1 || vias->n_intrs < 1) - return 0; + reg = (u32 *)get_property(vias, "reg", NULL); + if (reg == NULL) { + printk(KERN_ERR "via-cuda: No \"reg\" property !\n"); + goto fail; + } + taddr = of_translate_address(vias, reg); + if (taddr == 0) { + printk(KERN_ERR "via-cuda: Can't translate address !\n"); + goto fail; + } + via = ioremap(taddr, 0x2000); + if (via == NULL) { + printk(KERN_ERR "via-cuda: Can't map address !\n"); + goto fail; } - via = ioremap(vias->addrs->address, 0x2000); cuda_state = idle; sys_ctrler = SYS_CTRLER_CUDA; @@ -185,6 +180,11 @@ find_via_cuda(void) cuda_poll(); return 1; + + fail: + of_node_put(vias); + vias = NULL; + return 0; } #endif /* CONFIG_PPC */ @@ -193,10 +193,6 @@ static int __init via_cuda_start(void) if (via == NULL) return -ENODEV; -#ifdef CONFIG_PPC - request_OF_resource(vias, 0, NULL); -#endif - if (request_irq(CUDA_IRQ, cuda_interrupt, 0, "ADB", cuda_interrupt)) { printk(KERN_ERR "cuda_init: can't get irq %d\n", CUDA_IRQ); return -EAGAIN; diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 564043508569..6eb93e45fcd3 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -55,6 +55,8 @@ #include <asm/sections.h> #include <asm/irq.h> #include <asm/pmac_feature.h> +#include <asm/pmac_pfunc.h> +#include <asm/pmac_low_i2c.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/cputable.h> @@ -147,6 +149,7 @@ static struct device_node *vias; static int pmu_kind = PMU_UNKNOWN; static int pmu_fully_inited = 0; static int pmu_has_adb; +static struct device_node *gpio_node; static unsigned char __iomem *gpio_reg = NULL; static int gpio_irq = -1; static int gpio_irq_enabled = -1; @@ -157,8 +160,8 @@ static int pmu_version; static int drop_interrupts; #if defined(CONFIG_PM) && defined(CONFIG_PPC32) static int option_lid_wakeup = 1; -static int sleep_in_progress; #endif /* CONFIG_PM && CONFIG_PPC32 */ +static int sleep_in_progress; static unsigned long async_req_locks; static unsigned int pmu_irq_stats[11]; @@ -196,7 +199,6 @@ static int pmu_adb_reset_bus(void); #endif /* CONFIG_ADB */ static int init_pmu(void); -static int pmu_queue_request(struct adb_request *req); static void pmu_start(void); static irqreturn_t via_pmu_interrupt(int irq, void *arg, struct pt_regs *regs); static irqreturn_t gpio1_interrupt(int irq, void *arg, struct pt_regs *regs); @@ -295,22 +297,26 @@ static struct backlight_controller pmu_backlight_controller = { }; #endif /* CONFIG_PMAC_BACKLIGHT */ -int -find_via_pmu(void) +int __init find_via_pmu(void) { + u64 taddr; + u32 *reg; + if (via != 0) return 1; - vias = find_devices("via-pmu"); - if (vias == 0) + vias = of_find_node_by_name(NULL, "via-pmu"); + if (vias == NULL) return 0; - if (vias->next != 0) - printk(KERN_WARNING "Warning: only using 1st via-pmu\n"); - if (vias->n_addrs < 1 || vias->n_intrs < 1) { - printk(KERN_ERR "via-pmu: %d addresses, %d interrupts!\n", - vias->n_addrs, vias->n_intrs); - if (vias->n_addrs < 1 || vias->n_intrs < 1) - return 0; + reg = (u32 *)get_property(vias, "reg", NULL); + if (reg == NULL) { + printk(KERN_ERR "via-pmu: No \"reg\" property !\n"); + goto fail; + } + taddr = of_translate_address(vias, reg); + if (taddr == OF_BAD_ADDR) { + printk(KERN_ERR "via-pmu: Can't translate address !\n"); + goto fail; } spin_lock_init(&pmu_lock); @@ -331,7 +337,8 @@ find_via_pmu(void) pmu_kind = PMU_HEATHROW_BASED; else if (device_is_compatible(vias->parent, "Keylargo") || device_is_compatible(vias->parent, "K2-Keylargo")) { - struct device_node *gpio, *gpiop; + struct device_node *gpiop; + u64 gaddr = OF_BAD_ADDR; pmu_kind = PMU_KEYLARGO_BASED; pmu_has_adb = (find_type_devices("adb") != NULL); @@ -341,19 +348,24 @@ find_via_pmu(void) PMU_INT_TICK | PMU_INT_ENVIRONMENT; - gpiop = find_devices("gpio"); - if (gpiop && gpiop->n_addrs) { - gpio_reg = ioremap(gpiop->addrs->address, 0x10); - gpio = find_devices("extint-gpio1"); - if (gpio == NULL) - gpio = find_devices("pmu-interrupt"); - if (gpio && gpio->parent == gpiop && gpio->n_intrs) - gpio_irq = gpio->intrs[0].line; + gpiop = of_find_node_by_name(NULL, "gpio"); + if (gpiop) { + reg = (u32 *)get_property(gpiop, "reg", NULL); + if (reg) + gaddr = of_translate_address(gpiop, reg); + if (gaddr != OF_BAD_ADDR) + gpio_reg = ioremap(gaddr, 0x10); } + if (gpio_reg == NULL) + printk(KERN_ERR "via-pmu: Can't find GPIO reg !\n"); } else pmu_kind = PMU_UNKNOWN; - via = ioremap(vias->addrs->address, 0x2000); + via = ioremap(taddr, 0x2000); + if (via == NULL) { + printk(KERN_ERR "via-pmu: Can't map address !\n"); + goto fail; + } out_8(&via[IER], IER_CLR | 0x7f); /* disable all intrs */ out_8(&via[IFR], 0x7f); /* clear IFR */ @@ -365,23 +377,25 @@ find_via_pmu(void) return 0; } - printk(KERN_INFO "PMU driver %d initialized for %s, firmware: %02x\n", + printk(KERN_INFO "PMU driver v%d initialized for %s, firmware: %02x\n", PMU_DRIVER_VERSION, pbook_type[pmu_kind], pmu_version); sys_ctrler = SYS_CTRLER_PMU; return 1; + fail: + of_node_put(vias); + vias = NULL; + return 0; } #ifdef CONFIG_ADB -static int -pmu_probe(void) +static int pmu_probe(void) { return vias == NULL? -ENODEV: 0; } -static int __init -pmu_init(void) +static int __init pmu_init(void) { if (vias == NULL) return -ENODEV; @@ -405,7 +419,7 @@ static int __init via_pmu_start(void) bright_req_2.complete = 1; batt_req.complete = 1; -#if defined(CONFIG_PPC32) && !defined(CONFIG_PPC_MERGE) +#ifndef CONFIG_PPC_MERGE if (pmu_kind == PMU_KEYLARGO_BASED) openpic_set_irq_priority(vias->intrs[0].line, OPENPIC_PRIORITY_DEFAULT + 1); @@ -418,10 +432,22 @@ static int __init via_pmu_start(void) return -EAGAIN; } - if (pmu_kind == PMU_KEYLARGO_BASED && gpio_irq != -1) { - if (request_irq(gpio_irq, gpio1_interrupt, 0, "GPIO1 ADB", (void *)0)) - printk(KERN_ERR "pmu: can't get irq %d (GPIO1)\n", gpio_irq); - gpio_irq_enabled = 1; + if (pmu_kind == PMU_KEYLARGO_BASED) { + gpio_node = of_find_node_by_name(NULL, "extint-gpio1"); + if (gpio_node == NULL) + gpio_node = of_find_node_by_name(NULL, + "pmu-interrupt"); + if (gpio_node && gpio_node->n_intrs > 0) + gpio_irq = gpio_node->intrs[0].line; + + if (gpio_irq != -1) { + if (request_irq(gpio_irq, gpio1_interrupt, 0, + "GPIO1 ADB", (void *)0)) + printk(KERN_ERR "pmu: can't get irq %d" + " (GPIO1)\n", gpio_irq); + else + gpio_irq_enabled = 1; + } } /* Enable interrupts */ @@ -454,9 +480,6 @@ static int __init via_pmu_dev_init(void) if (vias == NULL) return -ENODEV; -#ifndef CONFIG_PPC64 - request_OF_resource(vias, 0, NULL); -#endif #ifdef CONFIG_PMAC_BACKLIGHT /* Enable backlight */ register_backlight_controller(&pmu_backlight_controller, NULL, "pmu"); @@ -1371,7 +1394,6 @@ next: } pmu_done(req); } else { -#if defined(CONFIG_XMON) && !defined(CONFIG_PPC64) if (len == 4 && data[1] == 0x2c) { extern int xmon_wants_key, xmon_adb_keycode; if (xmon_wants_key) { @@ -1379,7 +1401,6 @@ next: return; } } -#endif /* defined(CONFIG_XMON) && !defined(CONFIG_PPC64) */ #ifdef CONFIG_ADB /* * XXX On the [23]400 the PMU gives us an up @@ -1782,258 +1803,6 @@ pmu_present(void) return via != 0; } -struct pmu_i2c_hdr { - u8 bus; - u8 mode; - u8 bus2; - u8 address; - u8 sub_addr; - u8 comb_addr; - u8 count; -}; - -int -pmu_i2c_combined_read(int bus, int addr, int subaddr, u8* data, int len) -{ - struct adb_request req; - struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1]; - int retry; - int rc; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - hdr->bus = bus; - hdr->address = addr & 0xfe; - hdr->mode = PMU_I2C_MODE_COMBINED; - hdr->bus2 = 0; - hdr->sub_addr = subaddr; - hdr->comb_addr = addr | 1; - hdr->count = len; - - req.nbytes = sizeof(struct pmu_i2c_hdr) + 1; - req.reply_expected = 0; - req.reply_len = 0; - req.data[0] = PMU_I2C_CMD; - req.reply[0] = 0xff; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_OK) - break; - mdelay(15); - } - if (req.reply[0] != PMU_I2C_STATUS_OK) - return -1; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - mdelay(15); - - hdr->bus = PMU_I2C_BUS_STATUS; - req.reply[0] = 0xff; - - req.nbytes = 2; - req.reply_expected = 0; - req.reply_len = 0; - req.data[0] = PMU_I2C_CMD; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_DATAREAD) { - memcpy(data, &req.reply[1], req.reply_len - 1); - return req.reply_len - 1; - } - } - return -1; -} - -int -pmu_i2c_stdsub_write(int bus, int addr, int subaddr, u8* data, int len) -{ - struct adb_request req; - struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1]; - int retry; - int rc; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - hdr->bus = bus; - hdr->address = addr & 0xfe; - hdr->mode = PMU_I2C_MODE_STDSUB; - hdr->bus2 = 0; - hdr->sub_addr = subaddr; - hdr->comb_addr = addr & 0xfe; - hdr->count = len; - - req.data[0] = PMU_I2C_CMD; - memcpy(&req.data[sizeof(struct pmu_i2c_hdr) + 1], data, len); - req.nbytes = sizeof(struct pmu_i2c_hdr) + len + 1; - req.reply_expected = 0; - req.reply_len = 0; - req.reply[0] = 0xff; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_OK) - break; - mdelay(15); - } - if (req.reply[0] != PMU_I2C_STATUS_OK) - return -1; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - mdelay(15); - - hdr->bus = PMU_I2C_BUS_STATUS; - req.reply[0] = 0xff; - - req.nbytes = 2; - req.reply_expected = 0; - req.reply_len = 0; - req.data[0] = PMU_I2C_CMD; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_OK) - return len; - } - return -1; -} - -int -pmu_i2c_simple_read(int bus, int addr, u8* data, int len) -{ - struct adb_request req; - struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1]; - int retry; - int rc; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - hdr->bus = bus; - hdr->address = addr | 1; - hdr->mode = PMU_I2C_MODE_SIMPLE; - hdr->bus2 = 0; - hdr->sub_addr = 0; - hdr->comb_addr = 0; - hdr->count = len; - - req.data[0] = PMU_I2C_CMD; - req.nbytes = sizeof(struct pmu_i2c_hdr) + 1; - req.reply_expected = 0; - req.reply_len = 0; - req.reply[0] = 0xff; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_OK) - break; - mdelay(15); - } - if (req.reply[0] != PMU_I2C_STATUS_OK) - return -1; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - mdelay(15); - - hdr->bus = PMU_I2C_BUS_STATUS; - req.reply[0] = 0xff; - - req.nbytes = 2; - req.reply_expected = 0; - req.reply_len = 0; - req.data[0] = PMU_I2C_CMD; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_DATAREAD) { - memcpy(data, &req.reply[1], req.reply_len - 1); - return req.reply_len - 1; - } - } - return -1; -} - -int -pmu_i2c_simple_write(int bus, int addr, u8* data, int len) -{ - struct adb_request req; - struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1]; - int retry; - int rc; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - hdr->bus = bus; - hdr->address = addr & 0xfe; - hdr->mode = PMU_I2C_MODE_SIMPLE; - hdr->bus2 = 0; - hdr->sub_addr = 0; - hdr->comb_addr = 0; - hdr->count = len; - - req.data[0] = PMU_I2C_CMD; - memcpy(&req.data[sizeof(struct pmu_i2c_hdr) + 1], data, len); - req.nbytes = sizeof(struct pmu_i2c_hdr) + len + 1; - req.reply_expected = 0; - req.reply_len = 0; - req.reply[0] = 0xff; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_OK) - break; - mdelay(15); - } - if (req.reply[0] != PMU_I2C_STATUS_OK) - return -1; - - for (retry=0; retry<16; retry++) { - memset(&req, 0, sizeof(req)); - - mdelay(15); - - hdr->bus = PMU_I2C_BUS_STATUS; - req.reply[0] = 0xff; - - req.nbytes = 2; - req.reply_expected = 0; - req.reply_len = 0; - req.data[0] = PMU_I2C_CMD; - rc = pmu_queue_request(&req); - if (rc) - return rc; - while(!req.complete) - pmu_poll(); - if (req.reply[0] == PMU_I2C_STATUS_OK) - return len; - } - return -1; -} - #ifdef CONFIG_PM static LIST_HEAD(sleep_notifiers); @@ -2338,8 +2107,9 @@ pmac_suspend_devices(void) return -EBUSY; } - /* Disable clock spreading on some machines */ - pmac_tweak_clock_spreading(0); + /* Call platform functions marked "on sleep" */ + pmac_pfunc_i2c_suspend(); + pmac_pfunc_base_suspend(); /* Stop preemption */ preempt_disable(); @@ -2411,8 +2181,9 @@ pmac_wakeup_devices(void) mdelay(10); preempt_enable(); - /* Re-enable clock spreading on some machines */ - pmac_tweak_clock_spreading(1); + /* Call platform functions marked "on wake" */ + pmac_pfunc_base_resume(); + pmac_pfunc_i2c_resume(); /* Resume devices */ device_resume(); @@ -3130,16 +2901,13 @@ static int __init init_pmu_sysfs(void) subsys_initcall(init_pmu_sysfs); EXPORT_SYMBOL(pmu_request); +EXPORT_SYMBOL(pmu_queue_request); EXPORT_SYMBOL(pmu_poll); EXPORT_SYMBOL(pmu_poll_adb); EXPORT_SYMBOL(pmu_wait_complete); EXPORT_SYMBOL(pmu_suspend); EXPORT_SYMBOL(pmu_resume); EXPORT_SYMBOL(pmu_unlock); -EXPORT_SYMBOL(pmu_i2c_combined_read); -EXPORT_SYMBOL(pmu_i2c_stdsub_write); -EXPORT_SYMBOL(pmu_i2c_simple_read); -EXPORT_SYMBOL(pmu_i2c_simple_write); #if defined(CONFIG_PM) && defined(CONFIG_PPC32) EXPORT_SYMBOL(pmu_enable_irled); EXPORT_SYMBOL(pmu_battery_count); diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c index 57460e46c89f..906d3ecae6e6 100644 --- a/drivers/macintosh/windfarm_lm75_sensor.c +++ b/drivers/macintosh/windfarm_lm75_sensor.c @@ -21,6 +21,7 @@ #include <asm/io.h> #include <asm/system.h> #include <asm/sections.h> +#include <asm/pmac_low_i2c.h> #include "windfarm.h" @@ -157,53 +158,21 @@ static struct wf_lm75_sensor *wf_lm75_create(struct i2c_adapter *adapter, static int wf_lm75_attach(struct i2c_adapter *adapter) { - u8 bus_id; - struct device_node *smu, *bus, *dev; - - /* We currently only deal with LM75's hanging off the SMU - * i2c busses. If we extend that driver to other/older - * machines, we should split this function into SMU-i2c, - * keywest-i2c, PMU-i2c, ... - */ + struct device_node *busnode, *dev; + struct pmac_i2c_bus *bus; DBG("wf_lm75: adapter %s detected\n", adapter->name); - if (strncmp(adapter->name, "smu-i2c-", 8) != 0) - return 0; - smu = of_find_node_by_type(NULL, "smu"); - if (smu == NULL) - return 0; - - /* Look for the bus in the device-tree */ - bus_id = (u8)simple_strtoul(adapter->name + 8, NULL, 16); - - DBG("wf_lm75: bus ID is %x\n", bus_id); - - /* Look for sensors subdir */ - for (bus = NULL; - (bus = of_get_next_child(smu, bus)) != NULL;) { - u32 *reg; - - if (strcmp(bus->name, "i2c")) - continue; - reg = (u32 *)get_property(bus, "reg", NULL); - if (reg == NULL) - continue; - if (bus_id == *reg) - break; - } - of_node_put(smu); - if (bus == NULL) { - printk(KERN_WARNING "windfarm: SMU i2c bus 0x%x not found" - " in device-tree !\n", bus_id); - return 0; - } + bus = pmac_i2c_adapter_to_bus(adapter); + if (bus == NULL) + return -ENODEV; + busnode = pmac_i2c_get_bus_node(bus); DBG("wf_lm75: bus found, looking for device...\n"); /* Now look for lm75(s) in there */ for (dev = NULL; - (dev = of_get_next_child(bus, dev)) != NULL;) { + (dev = of_get_next_child(busnode, dev)) != NULL;) { const char *loc = get_property(dev, "hwsensor-location", NULL); u32 *reg = (u32 *)get_property(dev, "reg", NULL); @@ -217,9 +186,6 @@ static int wf_lm75_attach(struct i2c_adapter *adapter) else if (device_is_compatible(dev, "ds1775")) wf_lm75_create(adapter, *reg, 1, loc); } - - of_node_put(bus); - return 0; } diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c index 8d672283c93d..ec4e641acc64 100644 --- a/drivers/media/dvb/frontends/mt312.c +++ b/drivers/media/dvb/frontends/mt312.c @@ -501,7 +501,8 @@ static int mt312_set_frontend(struct dvb_frontend* fe, case ID_VP310: // For now we will do this only for the VP310. // It should be better for the mt312 as well, but tunning will be slower. ACCJr 09/29/03 - if ((ret = mt312_readreg(state, CONFIG, &config_val) < 0)) + ret = mt312_readreg(state, CONFIG, &config_val); + if (ret < 0) return ret; if (p->u.qpsk.symbol_rate >= 30000000) //Note that 30MS/s should use 90MHz { diff --git a/drivers/net/3c503.c b/drivers/net/3c503.c index 5c5eebdb6914..dcc98afa65d7 100644 --- a/drivers/net/3c503.c +++ b/drivers/net/3c503.c @@ -148,14 +148,6 @@ el2_pio_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: el2_close() handles free_irq */ - release_region(dev->base_addr, EL2_IO_EXTENT); - if (ei_status.mem) - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init el2_probe(int unit) { @@ -726,6 +718,14 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: el2_close() handles free_irq */ + release_region(dev->base_addr, EL2_IO_EXTENT); + if (ei_status.mem) + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 1960961bf28e..733bc25b2bf9 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -129,7 +129,7 @@ config NET_SB1000 If you don't have this card, of course say N. - source "drivers/net/arcnet/Kconfig" +source "drivers/net/arcnet/Kconfig" source "drivers/net/phy/Kconfig" @@ -844,7 +844,7 @@ config SMC9194 config DM9000 tristate "DM9000 support" - depends on ARM && NET_ETHERNET + depends on (ARM || MIPS) && NET_ETHERNET select CRC32 select MII ---help--- diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c index 8a0af5453e21..7952dc6d77e3 100644 --- a/drivers/net/ac3200.c +++ b/drivers/net/ac3200.c @@ -123,14 +123,6 @@ static int __init do_ac3200_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* Someday free_irq may be in ac_close_card() */ - free_irq(dev->irq, dev); - release_region(dev->base_addr, AC_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init ac3200_probe(int unit) { @@ -406,6 +398,14 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* Someday free_irq may be in ac_close_card() */ + free_irq(dev->irq, dev); + release_region(dev->base_addr, AC_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 015c7f1d1bc0..f20bb85c1ea5 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -205,7 +205,7 @@ struct bonding { * * Caller must hold bond lock for read */ -extern inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct net_device *slave_dev) +static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct net_device *slave_dev) { struct slave *slave = NULL; int i; @@ -219,7 +219,7 @@ extern inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct n return slave; } -extern inline struct bonding *bond_get_bond_by_slave(struct slave *slave) +static inline struct bonding *bond_get_bond_by_slave(struct slave *slave) { if (!slave || !slave->dev->master) { return NULL; @@ -228,13 +228,13 @@ extern inline struct bonding *bond_get_bond_by_slave(struct slave *slave) return (struct bonding *)slave->dev->master->priv; } -extern inline void bond_set_slave_inactive_flags(struct slave *slave) +static inline void bond_set_slave_inactive_flags(struct slave *slave) { slave->state = BOND_STATE_BACKUP; slave->dev->flags |= IFF_NOARP; } -extern inline void bond_set_slave_active_flags(struct slave *slave) +static inline void bond_set_slave_active_flags(struct slave *slave) { slave->state = BOND_STATE_ACTIVE; slave->dev->flags &= ~IFF_NOARP; diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index 38695d5b4637..ccbbe5ad8e0f 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -545,7 +545,7 @@ e1000_check_fiber_options(struct e1000_adapter *adapter) static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter) { - int speed, dplx; + int speed, dplx, an; int bd = adapter->bd_number; { /* Speed */ @@ -641,8 +641,12 @@ e1000_check_copper_options(struct e1000_adapter *adapter) .p = an_list }} }; - int an = AutoNeg[bd]; - e1000_validate_option(&an, &opt, adapter); + if (num_AutoNeg > bd) { + an = AutoNeg[bd]; + e1000_validate_option(&an, &opt, adapter); + } else { + an = opt.def; + } adapter->hw.autoneg_advertised = an; } diff --git a/drivers/net/e2100.c b/drivers/net/e2100.c index f5a4dd7d8564..e5c5cd2a2712 100644 --- a/drivers/net/e2100.c +++ b/drivers/net/e2100.c @@ -140,13 +140,6 @@ static int __init do_e2100_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: e21_close() handles free_irq */ - iounmap(ei_status.mem); - release_region(dev->base_addr, E21_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init e2100_probe(int unit) { @@ -463,6 +456,13 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: e21_close() handles free_irq */ + iounmap(ei_status.mem); + release_region(dev->base_addr, E21_IO_EXTENT); +} + void cleanup_module(void) { diff --git a/drivers/net/es3210.c b/drivers/net/es3210.c index 50f8e23bb9e5..6b0ab1eac3fb 100644 --- a/drivers/net/es3210.c +++ b/drivers/net/es3210.c @@ -155,13 +155,6 @@ static int __init do_es_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr, ES_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init es_probe(int unit) { @@ -456,6 +449,13 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr, ES_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index c39344adecce..3682ec61e8a8 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -101,6 +101,7 @@ * 0.46: 20 Oct 2005: Add irq optimization modes. * 0.47: 26 Oct 2005: Add phyaddr 0 in phy scan. * 0.48: 24 Dec 2005: Disable TSO, bugfix for pci_map_single + * 0.49: 10 Dec 2005: Fix tso for large buffers. * * Known bugs: * We suspect that on some hardware no TX done interrupts are generated. @@ -112,7 +113,7 @@ * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few * superfluous timer interrupts from the nic. */ -#define FORCEDETH_VERSION "0.48" +#define FORCEDETH_VERSION "0.49" #define DRV_NAME "forcedeth" #include <linux/module.h> @@ -349,6 +350,8 @@ typedef union _ring_type { #define NV_TX2_VALID (1<<31) #define NV_TX2_TSO (1<<28) #define NV_TX2_TSO_SHIFT 14 +#define NV_TX2_TSO_MAX_SHIFT 14 +#define NV_TX2_TSO_MAX_SIZE (1<<NV_TX2_TSO_MAX_SHIFT) #define NV_TX2_CHECKSUM_L3 (1<<27) #define NV_TX2_CHECKSUM_L4 (1<<26) @@ -408,15 +411,15 @@ typedef union _ring_type { #define NV_WATCHDOG_TIMEO (5*HZ) #define RX_RING 128 -#define TX_RING 64 +#define TX_RING 256 /* * If your nic mysteriously hangs then try to reduce the limits * to 1/0: It might be required to set NV_TX_LASTPACKET in the * last valid ring entry. But this would be impossible to * implement - probably a disassembly error. */ -#define TX_LIMIT_STOP 63 -#define TX_LIMIT_START 62 +#define TX_LIMIT_STOP 255 +#define TX_LIMIT_START 254 /* rx/tx mac addr + type + vlan + align + slack*/ #define NV_RX_HEADERS (64) @@ -535,6 +538,7 @@ struct fe_priv { unsigned int next_tx, nic_tx; struct sk_buff *tx_skbuff[TX_RING]; dma_addr_t tx_dma[TX_RING]; + unsigned int tx_dma_len[TX_RING]; u32 tx_flags; }; @@ -935,6 +939,7 @@ static void nv_init_tx(struct net_device *dev) else np->tx_ring.ex[i].FlagLen = 0; np->tx_skbuff[i] = NULL; + np->tx_dma[i] = 0; } } @@ -945,30 +950,27 @@ static int nv_init_ring(struct net_device *dev) return nv_alloc_rx(dev); } -static void nv_release_txskb(struct net_device *dev, unsigned int skbnr) +static int nv_release_txskb(struct net_device *dev, unsigned int skbnr) { struct fe_priv *np = netdev_priv(dev); - struct sk_buff *skb = np->tx_skbuff[skbnr]; - unsigned int j, entry, fragments; - - dprintk(KERN_INFO "%s: nv_release_txskb for skbnr %d, skb %p\n", - dev->name, skbnr, np->tx_skbuff[skbnr]); - - entry = skbnr; - if ((fragments = skb_shinfo(skb)->nr_frags) != 0) { - for (j = fragments; j >= 1; j--) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[j-1]; - pci_unmap_page(np->pci_dev, np->tx_dma[entry], - frag->size, - PCI_DMA_TODEVICE); - entry = (entry - 1) % TX_RING; - } + + dprintk(KERN_INFO "%s: nv_release_txskb for skbnr %d\n", + dev->name, skbnr); + + if (np->tx_dma[skbnr]) { + pci_unmap_page(np->pci_dev, np->tx_dma[skbnr], + np->tx_dma_len[skbnr], + PCI_DMA_TODEVICE); + np->tx_dma[skbnr] = 0; + } + + if (np->tx_skbuff[skbnr]) { + dev_kfree_skb_irq(np->tx_skbuff[skbnr]); + np->tx_skbuff[skbnr] = NULL; + return 1; + } else { + return 0; } - pci_unmap_single(np->pci_dev, np->tx_dma[entry], - skb->len - skb->data_len, - PCI_DMA_TODEVICE); - dev_kfree_skb_irq(skb); - np->tx_skbuff[skbnr] = NULL; } static void nv_drain_tx(struct net_device *dev) @@ -981,10 +983,8 @@ static void nv_drain_tx(struct net_device *dev) np->tx_ring.orig[i].FlagLen = 0; else np->tx_ring.ex[i].FlagLen = 0; - if (np->tx_skbuff[i]) { - nv_release_txskb(dev, i); + if (nv_release_txskb(dev, i)) np->stats.tx_dropped++; - } } } @@ -1021,68 +1021,105 @@ static void drain_ring(struct net_device *dev) static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); + u32 tx_flags = 0; u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); unsigned int fragments = skb_shinfo(skb)->nr_frags; - unsigned int nr = (np->next_tx + fragments) % TX_RING; + unsigned int nr = (np->next_tx - 1) % TX_RING; + unsigned int start_nr = np->next_tx % TX_RING; unsigned int i; + u32 offset = 0; + u32 bcnt; + u32 size = skb->len-skb->data_len; + u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); + + /* add fragments to entries count */ + for (i = 0; i < fragments; i++) { + entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + + ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); + } spin_lock_irq(&np->lock); - if ((np->next_tx - np->nic_tx + fragments) > TX_LIMIT_STOP) { + if ((np->next_tx - np->nic_tx + entries - 1) > TX_LIMIT_STOP) { spin_unlock_irq(&np->lock); netif_stop_queue(dev); return NETDEV_TX_BUSY; } - np->tx_skbuff[nr] = skb; - - if (fragments) { - dprintk(KERN_DEBUG "%s: nv_start_xmit: buffer contains %d fragments\n", dev->name, fragments); - /* setup descriptors in reverse order */ - for (i = fragments; i >= 1; i--) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[i-1]; - np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset, frag->size, - PCI_DMA_TODEVICE); + /* setup the header buffer */ + do { + bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; + nr = (nr + 1) % TX_RING; + + np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data + offset, bcnt, + PCI_DMA_TODEVICE); + np->tx_dma_len[nr] = bcnt; + + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); + np->tx_ring.orig[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); + } else { + np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; + np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; + np->tx_ring.ex[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); + } + tx_flags = np->tx_flags; + offset += bcnt; + size -= bcnt; + } while(size); + + /* setup the fragments */ + for (i = 0; i < fragments; i++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + u32 size = frag->size; + offset = 0; + + do { + bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; + nr = (nr + 1) % TX_RING; + + np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, + PCI_DMA_TODEVICE); + np->tx_dma_len[nr] = bcnt; if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); - np->tx_ring.orig[nr].FlagLen = cpu_to_le32( (frag->size-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.orig[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); } else { np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; - np->tx_ring.ex[nr].FlagLen = cpu_to_le32( (frag->size-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.ex[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); } - - nr = (nr - 1) % TX_RING; + offset += bcnt; + size -= bcnt; + } while (size); + } - if (np->desc_ver == DESC_VER_1) - tx_flags_extra &= ~NV_TX_LASTPACKET; - else - tx_flags_extra &= ~NV_TX2_LASTPACKET; - } + /* set last fragment flag */ + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + np->tx_ring.orig[nr].FlagLen |= cpu_to_le32(tx_flags_extra); + } else { + np->tx_ring.ex[nr].FlagLen |= cpu_to_le32(tx_flags_extra); } + np->tx_skbuff[nr] = skb; + #ifdef NETIF_F_TSO if (skb_shinfo(skb)->tso_size) - tx_flags_extra |= NV_TX2_TSO | (skb_shinfo(skb)->tso_size << NV_TX2_TSO_SHIFT); + tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->tso_size << NV_TX2_TSO_SHIFT); else #endif - tx_flags_extra |= (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0); + tx_flags_extra = (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0); - np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data, skb->len-skb->data_len, - PCI_DMA_TODEVICE); - + /* set tx flags */ if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { - np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); - np->tx_ring.orig[nr].FlagLen = cpu_to_le32( (skb->len-skb->data_len-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.orig[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra); } else { - np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; - np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; - np->tx_ring.ex[nr].FlagLen = cpu_to_le32( (skb->len-skb->data_len-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.ex[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra); } - dprintk(KERN_DEBUG "%s: nv_start_xmit: packet packet %d queued for transmission. tx_flags_extra: %x\n", - dev->name, np->next_tx, tx_flags_extra); + dprintk(KERN_DEBUG "%s: nv_start_xmit: packet %d (entries %d) queued for transmission. tx_flags_extra: %x\n", + dev->name, np->next_tx, entries, tx_flags_extra); { int j; for (j=0; j<64; j++) { @@ -1093,7 +1130,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) dprintk("\n"); } - np->next_tx += 1 + fragments; + np->next_tx += entries; dev->trans_start = jiffies; spin_unlock_irq(&np->lock); @@ -1140,7 +1177,6 @@ static void nv_tx_done(struct net_device *dev) np->stats.tx_packets++; np->stats.tx_bytes += skb->len; } - nv_release_txskb(dev, i); } } else { if (Flags & NV_TX2_LASTPACKET) { @@ -1156,9 +1192,9 @@ static void nv_tx_done(struct net_device *dev) np->stats.tx_packets++; np->stats.tx_bytes += skb->len; } - nv_release_txskb(dev, i); } } + nv_release_txskb(dev, i); np->nic_tx++; } if (np->next_tx - np->nic_tx < TX_LIMIT_START) @@ -2456,7 +2492,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; #ifdef NETIF_F_TSO - /* disabled dev->features |= NETIF_F_TSO; */ + dev->features |= NETIF_F_TSO; #endif } diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 94a91da84fbb..cb9d66ac3ab9 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -718,14 +718,14 @@ struct gfar_private { uint32_t msg_enable; }; -extern inline u32 gfar_read(volatile unsigned *addr) +static inline u32 gfar_read(volatile unsigned *addr) { u32 val; val = in_be32(addr); return val; } -extern inline void gfar_write(volatile unsigned *addr, u32 val) +static inline void gfar_write(volatile unsigned *addr, u32 val) { out_be32(addr, val); } diff --git a/drivers/net/hp-plus.c b/drivers/net/hp-plus.c index 0abf5dd08b4c..74e167e7dea7 100644 --- a/drivers/net/hp-plus.c +++ b/drivers/net/hp-plus.c @@ -138,12 +138,6 @@ static int __init do_hpp_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: hpp_close() handles free_irq */ - release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init hp_plus_probe(int unit) { @@ -473,6 +467,12 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: hpp_close() handles free_irq */ + release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); +} + void cleanup_module(void) { diff --git a/drivers/net/hp.c b/drivers/net/hp.c index 59cf841b14ab..cf9fb3698a6b 100644 --- a/drivers/net/hp.c +++ b/drivers/net/hp.c @@ -102,12 +102,6 @@ static int __init do_hp_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init hp_probe(int unit) { @@ -444,6 +438,12 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); +} + void cleanup_module(void) { diff --git a/drivers/net/ibm_emac/ibm_emac.h b/drivers/net/ibm_emac/ibm_emac.h index 644edbff4f94..c2dae6092c4c 100644 --- a/drivers/net/ibm_emac/ibm_emac.h +++ b/drivers/net/ibm_emac/ibm_emac.h @@ -110,6 +110,7 @@ struct emac_regs { #define EMAC_MR1_TFS_2K 0x00080000 #define EMAC_MR1_TR0_MULT 0x00008000 #define EMAC_MR1_JPSM 0x00000000 +#define EMAC_MR1_MWSW_001 0x00000000 #define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR0_MULT) #else #define EMAC_MR1_RFS_4K 0x00180000 @@ -130,7 +131,7 @@ struct emac_regs { (freq) <= 83 ? EMAC_MR1_OBCI_83 : \ (freq) <= 100 ? EMAC_MR1_OBCI_100 : EMAC_MR1_OBCI_100P) #define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR | \ - EMAC_MR1_MWSW_001 | EMAC_MR1_OBCI(opb)) + EMAC_MR1_OBCI(opb)) #endif /* EMACx_TMR0 */ diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c index 1da8a66f91e1..591c5864ffb1 100644 --- a/drivers/net/ibm_emac/ibm_emac_core.c +++ b/drivers/net/ibm_emac/ibm_emac_core.c @@ -408,7 +408,7 @@ static int emac_configure(struct ocp_enet_private *dev) /* Mode register */ r = EMAC_MR1_BASE(emac_opb_mhz()) | EMAC_MR1_VLE | EMAC_MR1_IST; if (dev->phy.duplex == DUPLEX_FULL) - r |= EMAC_MR1_FDE; + r |= EMAC_MR1_FDE | EMAC_MR1_MWSW_001; dev->stop_timeout = STOP_TIMEOUT_10; switch (dev->phy.speed) { case SPEED_1000: diff --git a/drivers/net/lance.c b/drivers/net/lance.c index 1d75ca0bb939..d1d714faa6ce 100644 --- a/drivers/net/lance.c +++ b/drivers/net/lance.c @@ -309,17 +309,6 @@ static void lance_tx_timeout (struct net_device *dev); -static void cleanup_card(struct net_device *dev) -{ - struct lance_private *lp = dev->priv; - if (dev->dma != 4) - free_dma(dev->dma); - release_region(dev->base_addr, LANCE_TOTAL_SIZE); - kfree(lp->tx_bounce_buffs); - kfree((void*)lp->rx_buffs); - kfree(lp); -} - #ifdef MODULE #define MAX_CARDS 8 /* Max number of interfaces (cards) per module */ @@ -367,6 +356,17 @@ int init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + struct lance_private *lp = dev->priv; + if (dev->dma != 4) + free_dma(dev->dma); + release_region(dev->base_addr, LANCE_TOTAL_SIZE); + kfree(lp->tx_bounce_buffs); + kfree((void*)lp->rx_buffs); + kfree(lp); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/lne390.c b/drivers/net/lne390.c index 309d254842cf..646e89fc3562 100644 --- a/drivers/net/lne390.c +++ b/drivers/net/lne390.c @@ -145,13 +145,6 @@ static int __init do_lne390_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr, LNE390_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init lne390_probe(int unit) { @@ -440,6 +433,13 @@ int init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr, LNE390_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 3cb9b3fe0cf1..22c3a37bba5a 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -6,7 +6,7 @@ * Copyright (C) 2002 rabeeh@galileo.co.il * * Copyright (C) 2003 PMC-Sierra, Inc., - * written by Manish Lachwani (lachwani@pmc-sierra.com) + * written by Manish Lachwani * * Copyright (C) 2003 Ralf Baechle <ralf@linux-mips.org> * diff --git a/drivers/net/ne.c b/drivers/net/ne.c index 0de8fdd2aa86..94f782d51f0f 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -212,15 +212,6 @@ static int __init do_ne_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; - if (idev) - pnp_device_detach(idev); - free_irq(dev->irq, dev); - release_region(dev->base_addr, NE_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init ne_probe(int unit) { @@ -859,6 +850,15 @@ int init_module(void) return -ENODEV; } +static void cleanup_card(struct net_device *dev) +{ + struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; + if (idev) + pnp_device_detach(idev); + free_irq(dev->irq, dev); + release_region(dev->base_addr, NE_IO_EXTENT); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/ne2.c b/drivers/net/ne2.c index 6d62ada85de6..e6df375a1d4b 100644 --- a/drivers/net/ne2.c +++ b/drivers/net/ne2.c @@ -278,14 +278,6 @@ static int __init do_ne2_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - mca_mark_as_unused(ei_status.priv); - mca_set_adapter_procfn( ei_status.priv, NULL, NULL); - free_irq(dev->irq, dev); - release_region(dev->base_addr, NE_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init ne2_probe(int unit) { @@ -812,6 +804,14 @@ int init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + mca_mark_as_unused(ei_status.priv); + mca_set_adapter_procfn( ei_status.priv, NULL, NULL); + free_irq(dev->irq, dev); + release_region(dev->base_addr, NE_IO_EXTENT); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index 9a76ac180b11..197edd74fbb5 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -282,26 +282,22 @@ SK_U32 Val) /* pointer to store the read value */ * Description: * This function initialize the PCI resources and IO * - * Returns: N/A - * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication */ -int SkGeInitPCI(SK_AC *pAC) +static __devinit int SkGeInitPCI(SK_AC *pAC) { struct SK_NET_DEVICE *dev = pAC->dev[0]; struct pci_dev *pdev = pAC->PciDev; int retval; - if (pci_enable_device(pdev) != 0) { - return 1; - } - dev->mem_start = pci_resource_start (pdev, 0); pci_set_master(pdev); - if (pci_request_regions(pdev, "sk98lin") != 0) { - retval = 2; - goto out_disable; - } + retval = pci_request_regions(pdev, "sk98lin"); + if (retval) + goto out; #ifdef SK_BIG_ENDIAN /* @@ -320,9 +316,8 @@ int SkGeInitPCI(SK_AC *pAC) * Remap the regs into kernel space. */ pAC->IoBase = ioremap_nocache(dev->mem_start, 0x4000); - - if (!pAC->IoBase){ - retval = 3; + if (!pAC->IoBase) { + retval = -EIO; goto out_release; } @@ -330,8 +325,7 @@ int SkGeInitPCI(SK_AC *pAC) out_release: pci_release_regions(pdev); - out_disable: - pci_disable_device(pdev); + out: return retval; } @@ -492,7 +486,7 @@ module_param_array(AutoSizing, charp, NULL, 0); * 0, if everything is ok * !=0, on error */ -static int __init SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC) +static int __devinit SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC) { short i; unsigned long Flags; @@ -529,7 +523,7 @@ SK_BOOL DualNet; if (SkGeInit(pAC, pAC->IoBase, SK_INIT_DATA) != 0) { printk("HWInit (0) failed.\n"); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - return(-EAGAIN); + return -EIO; } SkI2cInit( pAC, pAC->IoBase, SK_INIT_DATA); SkEventInit(pAC, pAC->IoBase, SK_INIT_DATA); @@ -551,7 +545,7 @@ SK_BOOL DualNet; if (SkGeInit(pAC, pAC->IoBase, SK_INIT_IO) != 0) { printk("sk98lin: HWInit (1) failed.\n"); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - return(-EAGAIN); + return -EIO; } SkI2cInit( pAC, pAC->IoBase, SK_INIT_IO); SkEventInit(pAC, pAC->IoBase, SK_INIT_IO); @@ -583,20 +577,20 @@ SK_BOOL DualNet; } else { printk(KERN_WARNING "sk98lin: Illegal number of ports: %d\n", pAC->GIni.GIMacsFound); - return -EAGAIN; + return -EIO; } if (Ret) { printk(KERN_WARNING "sk98lin: Requested IRQ %d is busy.\n", dev->irq); - return -EAGAIN; + return Ret; } pAC->AllocFlag |= SK_ALLOC_IRQ; /* Alloc memory for this board (Mem for RxD/TxD) : */ if(!BoardAllocMem(pAC)) { printk("No memory for descriptor rings.\n"); - return(-EAGAIN); + return -ENOMEM; } BoardInitMem(pAC); @@ -612,7 +606,7 @@ SK_BOOL DualNet; DualNet)) { BoardFreeMem(pAC); printk("sk98lin: SkGeInitAssignRamToQueues failed.\n"); - return(-EAGAIN); + return -EIO; } return (0); @@ -633,8 +627,7 @@ SK_BOOL DualNet; * SK_TRUE, if all memory could be allocated * SK_FALSE, if not */ -static SK_BOOL BoardAllocMem( -SK_AC *pAC) +static __devinit SK_BOOL BoardAllocMem(SK_AC *pAC) { caddr_t pDescrMem; /* pointer to descriptor memory area */ size_t AllocLength; /* length of complete descriptor area */ @@ -727,8 +720,7 @@ size_t AllocLength; /* length of complete descriptor area */ * * Returns: N/A */ -static void BoardInitMem( -SK_AC *pAC) /* pointer to adapter context */ +static __devinit void BoardInitMem(SK_AC *pAC) { int i; /* loop counter */ int RxDescrSize; /* the size of a rx descriptor rounded up to alignment*/ @@ -4776,32 +4768,47 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, struct net_device *dev = NULL; static int boards_found = 0; int error = -ENODEV; + int using_dac = 0; char DeviceStr[80]; if (pci_enable_device(pdev)) goto out; /* Configure DMA attributes. */ - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) && - pci_set_dma_mask(pdev, DMA_32BIT_MASK)) - goto out_disable_device; - + if (sizeof(dma_addr_t) > sizeof(u32) && + !(error = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { + using_dac = 1; + error = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + if (error < 0) { + printk(KERN_ERR "sk98lin %s unable to obtain 64 bit DMA " + "for consistent allocations\n", pci_name(pdev)); + goto out_disable_device; + } + } else { + error = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (error) { + printk(KERN_ERR "sk98lin %s no usable DMA configuration\n", + pci_name(pdev)); + goto out_disable_device; + } + } - if ((dev = alloc_etherdev(sizeof(DEV_NET))) == NULL) { - printk(KERN_ERR "Unable to allocate etherdev " + error = -ENOMEM; + dev = alloc_etherdev(sizeof(DEV_NET)); + if (!dev) { + printk(KERN_ERR "sk98lin: unable to allocate etherdev " "structure!\n"); goto out_disable_device; } pNet = netdev_priv(dev); - pNet->pAC = kmalloc(sizeof(SK_AC), GFP_KERNEL); + pNet->pAC = kzalloc(sizeof(SK_AC), GFP_KERNEL); if (!pNet->pAC) { - printk(KERN_ERR "Unable to allocate adapter " + printk(KERN_ERR "sk98lin: unable to allocate adapter " "structure!\n"); goto out_free_netdev; } - memset(pNet->pAC, 0, sizeof(SK_AC)); pAC = pNet->pAC; pAC->PciDev = pdev; @@ -4810,6 +4817,7 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, pAC->CheckQueue = SK_FALSE; dev->irq = pdev->irq; + error = SkGeInitPCI(pAC); if (error) { printk(KERN_ERR "sk98lin: PCI setup failed: %i\n", error); @@ -4844,19 +4852,25 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, #endif } + if (using_dac) + dev->features |= NETIF_F_HIGHDMA; + pAC->Index = boards_found++; - if (SkGeBoardInit(dev, pAC)) + error = SkGeBoardInit(dev, pAC); + if (error) goto out_free_netdev; /* Read Adapter name from VPD */ if (ProductStr(pAC, DeviceStr, sizeof(DeviceStr)) != 0) { + error = -EIO; printk(KERN_ERR "sk98lin: Could not read VPD data.\n"); goto out_free_resources; } /* Register net device */ - if (register_netdev(dev)) { + error = register_netdev(dev); + if (error) { printk(KERN_ERR "sk98lin: Could not register device.\n"); goto out_free_resources; } @@ -4883,15 +4897,17 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, boards_found++; + pci_set_drvdata(pdev, dev); + /* More then one port found */ if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { - if ((dev = alloc_etherdev(sizeof(DEV_NET))) == 0) { - printk(KERN_ERR "Unable to allocate etherdev " + dev = alloc_etherdev(sizeof(DEV_NET)); + if (!dev) { + printk(KERN_ERR "sk98lin: unable to allocate etherdev " "structure!\n"); - goto out; + goto single_port; } - pAC->dev[1] = dev; pNet = netdev_priv(dev); pNet->PortNr = 1; pNet->NetNr = 1; @@ -4920,20 +4936,28 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, #endif } - if (register_netdev(dev)) { - printk(KERN_ERR "sk98lin: Could not register device for seconf port.\n"); + if (using_dac) + dev->features |= NETIF_F_HIGHDMA; + + error = register_netdev(dev); + if (error) { + printk(KERN_ERR "sk98lin: Could not register device" + " for second port. (%d)\n", error); free_netdev(dev); - pAC->dev[1] = pAC->dev[0]; - } else { - memcpy(&dev->dev_addr, - &pAC->Addr.Net[1].CurrentMacAddress, 6); - memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - - printk("%s: %s\n", dev->name, DeviceStr); - printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); + goto single_port; } + + pAC->dev[1] = dev; + memcpy(&dev->dev_addr, + &pAC->Addr.Net[1].CurrentMacAddress, 6); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + printk("%s: %s\n", dev->name, DeviceStr); + printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); } +single_port: + /* Save the hardware revision */ pAC->HWRevision = (((pAC->GIni.GIPciHwRev >> 4) & 0x0F)*10) + (pAC->GIni.GIPciHwRev & 0x0F); @@ -4945,7 +4969,6 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, memset(&pAC->PnmiBackup, 0, sizeof(SK_PNMI_STRUCT_DATA)); memcpy(&pAC->PnmiBackup, &pAC->PnmiStruct, sizeof(SK_PNMI_STRUCT_DATA)); - pci_set_drvdata(pdev, dev); return 0; out_free_resources: diff --git a/drivers/net/smc-ultra.c b/drivers/net/smc-ultra.c index ba8593ac3f8a..3db30cd0625e 100644 --- a/drivers/net/smc-ultra.c +++ b/drivers/net/smc-ultra.c @@ -168,18 +168,6 @@ static int __init do_ultra_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: ultra_close_card() does free_irq */ -#ifdef __ISAPNP__ - struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; - if (idev) - pnp_device_detach(idev); -#endif - release_region(dev->base_addr - ULTRA_NIC_OFFSET, ULTRA_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init ultra_probe(int unit) { @@ -594,6 +582,18 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: ultra_close_card() does free_irq */ +#ifdef __ISAPNP__ + struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; + if (idev) + pnp_device_detach(idev); +#endif + release_region(dev->base_addr - ULTRA_NIC_OFFSET, ULTRA_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index 125ed00e95a5..c67c91251d04 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1564,7 +1564,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, dev->dev_addr, 6); } #endif -#if defined(__i386__) /* Patch up x86 BIOS bug. */ +#if defined(__i386__) || defined(__x86_64__) /* Patch up x86 BIOS bug. */ if (last_irq) irq = last_irq; #endif diff --git a/drivers/net/wd.c b/drivers/net/wd.c index b03feae459fc..7caa8dc88a58 100644 --- a/drivers/net/wd.c +++ b/drivers/net/wd.c @@ -127,13 +127,6 @@ static int __init do_wd_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr - WD_NIC_OFFSET, WD_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init wd_probe(int unit) { @@ -538,6 +531,13 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr - WD_NIC_OFFSET, WD_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 44cd3fcd1572..cf05661fb1bd 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -7153,7 +7153,7 @@ static int ipw2100_wx_get_range(struct net_device *dev, /* Set the Wireless Extension versions */ range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = 16; + range->we_version_source = 18; // range->retry_capa; /* What retry options are supported */ // range->retry_flags; /* How to decode max/min retry limit */ @@ -7184,6 +7184,9 @@ static int ipw2100_wx_get_range(struct net_device *dev, IW_EVENT_CAPA_MASK(SIOCGIWAP)); range->event_capa[1] = IW_EVENT_CAPA_K_1; + range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | + IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; + IPW_DEBUG_WX("GET Range\n"); return 0; diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index 932dcf0366eb..311a4122bd70 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -432,11 +432,12 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat struct Scsi_Host *host; void *dma_cmd_space; unsigned char *clkprop; - int proplen; + int proplen, rc = -ENODEV; if (macio_resource_count(mdev) != 2 || macio_irq_count(mdev) != 2) { - printk(KERN_ERR "mac53c94: expected 2 addrs and intrs (got %d/%d)\n", - node->n_addrs, node->n_intrs); + printk(KERN_ERR "mac53c94: expected 2 addrs and intrs" + " (got %d/%d)\n", + macio_resource_count(mdev), macio_irq_count(mdev)); return -ENODEV; } @@ -448,6 +449,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat host = scsi_host_alloc(&mac53c94_template, sizeof(struct fsc_state)); if (host == NULL) { printk(KERN_ERR "mac53c94: couldn't register host"); + rc = -ENOMEM; goto out_release; } @@ -486,6 +488,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat if (dma_cmd_space == 0) { printk(KERN_ERR "mac53c94: couldn't allocate dma " "command space for %s\n", node->full_name); + rc = -ENOMEM; goto out_free; } state->dma_cmds = (struct dbdma_cmd *)DBDMA_ALIGN(dma_cmd_space); @@ -495,18 +498,21 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat mac53c94_init(state); - if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94", state)) { + if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94",state)) { printk(KERN_ERR "mac53C94: can't get irq %d for %s\n", state->intr, node->full_name); goto out_free_dma; } - /* XXX FIXME: handle failure */ - scsi_add_host(host, &mdev->ofdev.dev); - scsi_scan_host(host); + rc = scsi_add_host(host, &mdev->ofdev.dev); + if (rc != 0) + goto out_release_irq; + scsi_scan_host(host); return 0; + out_release_irq: + free_irq(state->intr, state); out_free_dma: kfree(state->dma_cmd_space); out_free: @@ -518,7 +524,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat out_release: macio_release_resources(mdev); - return -ENODEV; + return rc; } static int mac53c94_remove(struct macio_dev *mdev) diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index bdccf73cf9fe..d6d2125f9044 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1869,7 +1869,8 @@ static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match) if (macio_resource_count(mdev) != 2 || macio_irq_count(mdev) != 2) { printk(KERN_ERR "mesh: expected 2 addrs and 2 intrs" - " (got %d,%d)\n", mesh->n_addrs, mesh->n_intrs); + " (got %d,%d)\n", macio_resource_count(mdev), + macio_irq_count(mdev)); return -ENODEV; } diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c index c0cf52cb975a..bbbb55eeb73a 100644 --- a/drivers/scsi/sata_nv.c +++ b/drivers/scsi/sata_nv.c @@ -29,6 +29,12 @@ * NV-specific details such as register offsets, SATA phy location, * hotplug info, etc. * + * 0.10 + * - Fixed spurious interrupts issue seen with the Maxtor 6H500F0 500GB + * drive. Also made the check_hotplug() callbacks return whether there + * was a hotplug interrupt or not. This was not the source of the + * spurious interrupts, but is the right thing to do anyway. + * * 0.09 * - Fixed bug introduced by 0.08's MCP51 and MCP55 support. * @@ -124,10 +130,10 @@ static void nv_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); static void nv_host_stop (struct ata_host_set *host_set); static void nv_enable_hotplug(struct ata_probe_ent *probe_ent); static void nv_disable_hotplug(struct ata_host_set *host_set); -static void nv_check_hotplug(struct ata_host_set *host_set); +static int nv_check_hotplug(struct ata_host_set *host_set); static void nv_enable_hotplug_ck804(struct ata_probe_ent *probe_ent); static void nv_disable_hotplug_ck804(struct ata_host_set *host_set); -static void nv_check_hotplug_ck804(struct ata_host_set *host_set); +static int nv_check_hotplug_ck804(struct ata_host_set *host_set); enum nv_host_type { @@ -176,7 +182,7 @@ struct nv_host_desc enum nv_host_type host_type; void (*enable_hotplug)(struct ata_probe_ent *probe_ent); void (*disable_hotplug)(struct ata_host_set *host_set); - void (*check_hotplug)(struct ata_host_set *host_set); + int (*check_hotplug)(struct ata_host_set *host_set); }; static struct nv_host_desc nv_device_tbl[] = { @@ -309,12 +315,16 @@ static irqreturn_t nv_interrupt (int irq, void *dev_instance, qc = ata_qc_from_tag(ap, ap->active_tag); if (qc && (!(qc->tf.ctl & ATA_NIEN))) handled += ata_host_intr(ap, qc); + else + // No request pending? Clear interrupt status + // anyway, in case there's one pending. + ap->ops->check_status(ap); } } if (host->host_desc->check_hotplug) - host->host_desc->check_hotplug(host_set); + handled += host->host_desc->check_hotplug(host_set); spin_unlock_irqrestore(&host_set->lock, flags); @@ -497,7 +507,7 @@ static void nv_disable_hotplug(struct ata_host_set *host_set) outb(intr_mask, host_set->ports[0]->ioaddr.scr_addr + NV_INT_ENABLE); } -static void nv_check_hotplug(struct ata_host_set *host_set) +static int nv_check_hotplug(struct ata_host_set *host_set) { u8 intr_status; @@ -522,7 +532,11 @@ static void nv_check_hotplug(struct ata_host_set *host_set) if (intr_status & NV_INT_STATUS_SDEV_REMOVED) printk(KERN_WARNING "nv_sata: " "Secondary device removed\n"); + + return 1; } + + return 0; } static void nv_enable_hotplug_ck804(struct ata_probe_ent *probe_ent) @@ -560,7 +574,7 @@ static void nv_disable_hotplug_ck804(struct ata_host_set *host_set) pci_write_config_byte(pdev, NV_MCP_SATA_CFG_20, regval); } -static void nv_check_hotplug_ck804(struct ata_host_set *host_set) +static int nv_check_hotplug_ck804(struct ata_host_set *host_set) { u8 intr_status; @@ -585,7 +599,11 @@ static void nv_check_hotplug_ck804(struct ata_host_set *host_set) if (intr_status & NV_INT_STATUS_SDEV_REMOVED) printk(KERN_WARNING "nv_sata: " "Secondary device removed\n"); + + return 1; } + + return 0; } static int __init nv_init(void) diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 180676d7115a..ee5f4dfdab14 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -69,7 +69,6 @@ #include "scsi_logging.h" static void scsi_done(struct scsi_cmnd *cmd); -static int scsi_retry_command(struct scsi_cmnd *cmd); /* * Definitions and constants. @@ -752,7 +751,7 @@ static void scsi_done(struct scsi_cmnd *cmd) * isn't running --- used by scsi_times_out */ void __scsi_done(struct scsi_cmnd *cmd) { - unsigned long flags; + struct request *rq = cmd->request; /* * Set the serial numbers back to zero @@ -763,71 +762,14 @@ void __scsi_done(struct scsi_cmnd *cmd) if (cmd->result) atomic_inc(&cmd->device->ioerr_cnt); + BUG_ON(!rq); + /* - * Next, enqueue the command into the done queue. - * It is a per-CPU queue, so we just disable local interrupts - * and need no spinlock. + * The uptodate/nbytes values don't matter, as we allow partial + * completes and thus will check this in the softirq callback */ - local_irq_save(flags); - list_add_tail(&cmd->eh_entry, &__get_cpu_var(scsi_done_q)); - raise_softirq_irqoff(SCSI_SOFTIRQ); - local_irq_restore(flags); -} - -/** - * scsi_softirq - Perform post-interrupt processing of finished SCSI commands. - * - * This is the consumer of the done queue. - * - * This is called with all interrupts enabled. This should reduce - * interrupt latency, stack depth, and reentrancy of the low-level - * drivers. - */ -static void scsi_softirq(struct softirq_action *h) -{ - int disposition; - LIST_HEAD(local_q); - - local_irq_disable(); - list_splice_init(&__get_cpu_var(scsi_done_q), &local_q); - local_irq_enable(); - - while (!list_empty(&local_q)) { - struct scsi_cmnd *cmd = list_entry(local_q.next, - struct scsi_cmnd, eh_entry); - /* The longest time any command should be outstanding is the - * per command timeout multiplied by the number of retries. - * - * For a typical command, this is 2.5 minutes */ - unsigned long wait_for - = cmd->allowed * cmd->timeout_per_command; - list_del_init(&cmd->eh_entry); - - disposition = scsi_decide_disposition(cmd); - if (disposition != SUCCESS && - time_before(cmd->jiffies_at_alloc + wait_for, jiffies)) { - sdev_printk(KERN_ERR, cmd->device, - "timing out command, waited %lus\n", - wait_for/HZ); - disposition = SUCCESS; - } - - scsi_log_completion(cmd, disposition); - switch (disposition) { - case SUCCESS: - scsi_finish_command(cmd); - break; - case NEEDS_RETRY: - scsi_retry_command(cmd); - break; - case ADD_TO_MLQUEUE: - scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY); - break; - default: - if (!scsi_eh_scmd_add(cmd, 0)) - scsi_finish_command(cmd); - } - } + rq->completion_data = cmd; + blk_complete_request(rq); } /* @@ -840,7 +782,7 @@ static void scsi_softirq(struct softirq_action *h) * level drivers should not become re-entrant as a result of * this. */ -static int scsi_retry_command(struct scsi_cmnd *cmd) +int scsi_retry_command(struct scsi_cmnd *cmd) { /* * Restore the SCSI command state. @@ -1273,38 +1215,6 @@ int scsi_device_cancel(struct scsi_device *sdev, int recovery) } EXPORT_SYMBOL(scsi_device_cancel); -#ifdef CONFIG_HOTPLUG_CPU -static int scsi_cpu_notify(struct notifier_block *self, - unsigned long action, void *hcpu) -{ - int cpu = (unsigned long)hcpu; - - switch(action) { - case CPU_DEAD: - /* Drain scsi_done_q. */ - local_irq_disable(); - list_splice_init(&per_cpu(scsi_done_q, cpu), - &__get_cpu_var(scsi_done_q)); - raise_softirq_irqoff(SCSI_SOFTIRQ); - local_irq_enable(); - break; - default: - break; - } - return NOTIFY_OK; -} - -static struct notifier_block __devinitdata scsi_cpu_nb = { - .notifier_call = scsi_cpu_notify, -}; - -#define register_scsi_cpu() register_cpu_notifier(&scsi_cpu_nb) -#define unregister_scsi_cpu() unregister_cpu_notifier(&scsi_cpu_nb) -#else -#define register_scsi_cpu() -#define unregister_scsi_cpu() -#endif /* CONFIG_HOTPLUG_CPU */ - MODULE_DESCRIPTION("SCSI core"); MODULE_LICENSE("GPL"); @@ -1338,8 +1248,6 @@ static int __init init_scsi(void) INIT_LIST_HEAD(&per_cpu(scsi_done_q, i)); devfs_mk_dir("scsi"); - open_softirq(SCSI_SOFTIRQ, scsi_softirq, NULL); - register_scsi_cpu(); printk(KERN_NOTICE "SCSI subsystem initialized\n"); return 0; @@ -1367,7 +1275,6 @@ static void __exit exit_scsi(void) devfs_remove("scsi"); scsi_exit_procfs(); scsi_exit_queue(); - unregister_scsi_cpu(); } subsys_initcall(init_scsi); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index ba93d6e66d48..00c9bf383e23 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1493,6 +1493,41 @@ static void scsi_kill_request(struct request *req, request_queue_t *q) __scsi_done(cmd); } +static void scsi_softirq_done(struct request *rq) +{ + struct scsi_cmnd *cmd = rq->completion_data; + unsigned long wait_for = cmd->allowed * cmd->timeout_per_command; + int disposition; + + INIT_LIST_HEAD(&cmd->eh_entry); + + disposition = scsi_decide_disposition(cmd); + if (disposition != SUCCESS && + time_before(cmd->jiffies_at_alloc + wait_for, jiffies)) { + sdev_printk(KERN_ERR, cmd->device, + "timing out command, waited %lus\n", + wait_for/HZ); + disposition = SUCCESS; + } + + scsi_log_completion(cmd, disposition); + + switch (disposition) { + case SUCCESS: + scsi_finish_command(cmd); + break; + case NEEDS_RETRY: + scsi_retry_command(cmd); + break; + case ADD_TO_MLQUEUE: + scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY); + break; + default: + if (!scsi_eh_scmd_add(cmd, 0)) + scsi_finish_command(cmd); + } +} + /* * Function: scsi_request_fn() * @@ -1667,6 +1702,7 @@ struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost)); blk_queue_segment_boundary(q, shost->dma_boundary); blk_queue_issue_flush_fn(q, scsi_issue_flush_fn); + blk_queue_softirq_done(q, scsi_softirq_done); if (!shost->use_clustering) clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags); diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index f04e7e11f57a..14a6198cb8d2 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -44,6 +44,7 @@ extern void scsi_init_cmd_from_req(struct scsi_cmnd *cmd, struct scsi_request *sreq); extern void __scsi_release_request(struct scsi_request *sreq); extern void __scsi_done(struct scsi_cmnd *cmd); +extern int scsi_retry_command(struct scsi_cmnd *cmd); #ifdef CONFIG_SCSI_LOGGING void scsi_log_send(struct scsi_cmnd *cmd); void scsi_log_completion(struct scsi_cmnd *cmd, int disposition); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 221e96e2620a..78aad9582bcf 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -2493,7 +2493,7 @@ sg_page_malloc(int rqSz, int lowDma, int *retSzp) } if (resp) { if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) - memset(resp, 0, resSz); + memset(page_address(resp), 0, resSz); if (retSzp) *retSzp = resSz; } diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index 987d22b53c22..16af5626c243 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -608,7 +608,7 @@ static int cpm_uart_tx_pump(struct uart_port *port) p = cpm2cpu_addr(bdp->cbd_bufaddr); - *p++ = xmit->buf[xmit->tail]; + *p++ = port->x_char; bdp->cbd_datlen = 1; bdp->cbd_sc |= BD_SC_READY; /* Get next BD. */ diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c index 5ddd8ab1f108..ea24129eb6b9 100644 --- a/drivers/serial/pmac_zilog.c +++ b/drivers/serial/pmac_zilog.c @@ -1431,11 +1431,14 @@ static int __init pmz_init_port(struct uart_pmac_port *uap) char name[1]; } *slots; int len; + struct resource r_ports, r_rxdma, r_txdma; /* * Request & map chip registers */ - uap->port.mapbase = np->addrs[0].address; + if (of_address_to_resource(np, 0, &r_ports)) + return -ENODEV; + uap->port.mapbase = r_ports.start; uap->port.membase = ioremap(uap->port.mapbase, 0x1000); uap->control_reg = uap->port.membase; @@ -1445,16 +1448,20 @@ static int __init pmz_init_port(struct uart_pmac_port *uap) * Request & map DBDMA registers */ #ifdef HAS_DBDMA - if (np->n_addrs >= 3 && np->n_intrs >= 3) + if (of_address_to_resource(np, 1, &r_txdma) == 0 && + of_address_to_resource(np, 2, &r_rxdma) == 0) uap->flags |= PMACZILOG_FLAG_HAS_DMA; +#else + memset(&r_txdma, 0, sizeof(struct resource)); + memset(&r_rxdma, 0, sizeof(struct resource)); #endif if (ZS_HAS_DMA(uap)) { - uap->tx_dma_regs = ioremap(np->addrs[np->n_addrs - 2].address, 0x1000); + uap->tx_dma_regs = ioremap(r_txdma.start, 0x100); if (uap->tx_dma_regs == NULL) { uap->flags &= ~PMACZILOG_FLAG_HAS_DMA; goto no_dma; } - uap->rx_dma_regs = ioremap(np->addrs[np->n_addrs - 1].address, 0x1000); + uap->rx_dma_regs = ioremap(r_rxdma.start, 0x100); if (uap->rx_dma_regs == NULL) { iounmap(uap->tx_dma_regs); uap->tx_dma_regs = NULL; diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index cc8e3bf5001b..3f04427c9026 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1151,7 +1151,7 @@ config FB_VOODOO1 config FB_CYBLA tristate "Cyberblade/i1 support" - depends on FB && PCI + depends on FB && PCI && X86_32 && !64BIT select FB_CFB_IMAGEBLIT select VIDEO_SELECT ---help--- diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c index 403d17377f8d..03798e9c882d 100644 --- a/drivers/video/controlfb.c +++ b/drivers/video/controlfb.c @@ -133,12 +133,6 @@ static int controlfb_mmap(struct fb_info *info, struct file *file, static int controlfb_set_par (struct fb_info *info); static int controlfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info); -/* - * inititialization - */ -int control_init(void); -void control_setup(char *); - /******************** Prototypes for internal functions **********************/ static void set_control_clock(unsigned char *params); @@ -550,9 +544,46 @@ static void control_set_hardware(struct fb_info_control *p, struct fb_par_contro /* - * Called from fbmem.c for probing & initializing + * Parse user speficied options (`video=controlfb:') */ -int __init control_init(void) +static void __init control_setup(char *options) +{ + char *this_opt; + + if (!options || !*options) + return; + + while ((this_opt = strsep(&options, ",")) != NULL) { + if (!strncmp(this_opt, "vmode:", 6)) { + int vmode = simple_strtoul(this_opt+6, NULL, 0); + if (vmode > 0 && vmode <= VMODE_MAX && + control_mac_modes[vmode - 1].m[1] >= 0) + default_vmode = vmode; + } else if (!strncmp(this_opt, "cmode:", 6)) { + int depth = simple_strtoul(this_opt+6, NULL, 0); + switch (depth) { + case CMODE_8: + case CMODE_16: + case CMODE_32: + default_cmode = depth; + break; + case 8: + default_cmode = CMODE_8; + break; + case 15: + case 16: + default_cmode = CMODE_16; + break; + case 24: + case 32: + default_cmode = CMODE_32; + break; + } + } + } +} + +static int __init control_init(void) { struct device_node *dp; char *option = NULL; @@ -651,15 +682,16 @@ static void __init find_vram_size(struct fb_info_control *p) static int __init control_of_init(struct device_node *dp) { struct fb_info_control *p; - unsigned long addr; - int i; + struct resource fb_res, reg_res; if (control_fb) { printk(KERN_ERR "controlfb: only one control is supported\n"); return -ENXIO; } - if(dp->n_addrs != 2) { - printk(KERN_ERR "expecting 2 address for control (got %d)", dp->n_addrs); + + if (of_pci_address_to_resource(dp, 2, &fb_res) || + of_pci_address_to_resource(dp, 1, ®_res)) { + printk(KERN_ERR "can't get 2 addresses for control\n"); return -ENXIO; } p = kmalloc(sizeof(*p), GFP_KERNEL); @@ -669,18 +701,12 @@ static int __init control_of_init(struct device_node *dp) memset(p, 0, sizeof(*p)); /* Map in frame buffer and registers */ - for (i = 0; i < dp->n_addrs; ++i) { - addr = dp->addrs[i].address; - if (dp->addrs[i].size >= 0x800000) { - p->fb_orig_base = addr; - p->fb_orig_size = dp->addrs[i].size; - /* use the big-endian aperture (??) */ - p->frame_buffer_phys = addr + 0x800000; - } else { - p->control_regs_phys = addr; - p->control_regs_size = dp->addrs[i].size; - } - } + p->fb_orig_base = fb_res.start; + p->fb_orig_size = fb_res.end - fb_res.start + 1; + /* use the big-endian aperture (??) */ + p->frame_buffer_phys = fb_res.start + 0x800000; + p->control_regs_phys = reg_res.start; + p->control_regs_size = reg_res.end - reg_res.start + 1; if (!p->fb_orig_base || !request_mem_region(p->fb_orig_base,p->fb_orig_size,"controlfb")) { @@ -1059,43 +1085,3 @@ static void control_cleanup(void) } -/* - * Parse user speficied options (`video=controlfb:') - */ -void __init control_setup(char *options) -{ - char *this_opt; - - if (!options || !*options) - return; - - while ((this_opt = strsep(&options, ",")) != NULL) { - if (!strncmp(this_opt, "vmode:", 6)) { - int vmode = simple_strtoul(this_opt+6, NULL, 0); - if (vmode > 0 && vmode <= VMODE_MAX && - control_mac_modes[vmode - 1].m[1] >= 0) - default_vmode = vmode; - } else if (!strncmp(this_opt, "cmode:", 6)) { - int depth = simple_strtoul(this_opt+6, NULL, 0); - switch (depth) { - case CMODE_8: - case CMODE_16: - case CMODE_32: - default_cmode = depth; - break; - case 8: - default_cmode = CMODE_8; - break; - case 15: - case 16: - default_cmode = CMODE_16; - break; - case 24: - case 32: - default_cmode = CMODE_32; - break; - } - } - } -} - diff --git a/drivers/video/cyblafb.c b/drivers/video/cyblafb.c index 03fbe83d71a8..e9f5dee67e3c 100644 --- a/drivers/video/cyblafb.c +++ b/drivers/video/cyblafb.c @@ -7,11 +7,12 @@ * tridentfb.c by Jani Monoses * see files above for further credits * - * TODO: - * */ #define CYBLAFB_DEBUG 0 +#define CYBLAFB_KD_GRAPHICS_QUIRK 1 + +#define CYBLAFB_PIXMAPSIZE 8192 #include <linux/config.h> #include <linux/module.h> @@ -22,7 +23,7 @@ #include <asm/types.h> #include <video/cyblafb.h> -#define VERSION "0.54" +#define VERSION "0.62" struct cyblafb_par { u32 pseudo_pal[16]; @@ -32,7 +33,9 @@ struct cyblafb_par { static struct fb_fix_screeninfo cyblafb_fix __devinitdata = { .id = "CyBla", .type = FB_TYPE_PACKED_PIXELS, + .xpanstep = 1, .ypanstep = 1, + .ywrapstep = 1, .visual = FB_VISUAL_PSEUDOCOLOR, .accel = FB_ACCEL_NONE, }; @@ -43,8 +46,9 @@ static int ref __devinitdata = 75; static int fp __devinitdata; static int crt __devinitdata; static int memsize __devinitdata; -static int vesafb __devinitdata; +static int basestride; +static int vesafb; static int nativex; static int center; static int stretch; @@ -52,26 +56,50 @@ static int pciwb = 1; static int pcirb = 1; static int pciwr = 1; static int pcirr = 1; +static int disabled; static int verbosity; static int displaytype; -static void __iomem * io_virt; // iospace virtual memory address - -module_param(mode,charp,0); -module_param(bpp,int,0); -module_param(ref,int,0); -module_param(fp,int,0); -module_param(crt,int,0); -module_param(nativex,int,0); -module_param(center,int,0); -module_param(stretch,int,0); -module_param(pciwb,int,0); -module_param(pcirb,int,0); -module_param(pciwr,int,0); -module_param(pcirr,int,0); -module_param(memsize,int,0); -module_param(verbosity,int,0); -module_param(vesafb,int,0); +static void __iomem *io_virt; // iospace virtual memory address + +module_param(mode, charp, 0); +module_param(bpp, int, 0); +module_param(ref, int, 0); +module_param(fp, int, 0); +module_param(crt, int, 0); +module_param(nativex, int, 0); +module_param(center, int, 0); +module_param(stretch, int, 0); +module_param(pciwb, int, 0); +module_param(pcirb, int, 0); +module_param(pciwr, int, 0); +module_param(pcirr, int, 0); +module_param(memsize, int, 0); +module_param(verbosity, int, 0); + +//========================================= +// +// Well, we have to fix the upper layers. +// Until this has been done, we work around +// the bugs. +// +//========================================= + +#if (CYBLAFB_KD_GRAPHICS_QUIRK && CYBLAFB_DEBUG) + if (disabled) { \ + printk("********\n");\ + dump_stack();\ + return val;\ + } + +#elif CYBLAFB_KD_GRAPHICS_QUIRK +#define KD_GRAPHICS_RETURN(val)\ + if (disabled) {\ + return val;\ + } +#else +#define KD_GRAPHICS_RETURN(val) +#endif //========================================= // @@ -79,10 +107,10 @@ module_param(vesafb,int,0); // //========================================= -#define out8(r,v) writeb(v,io_virt+r) -#define out32(r,v) writel(v,io_virt+r) -#define in8(r) readb(io_virt+r) -#define in32(r) readl(io_virt+r) +#define out8(r, v) writeb(v, io_virt + r) +#define out32(r, v) writel(v, io_virt + r) +#define in8(r) readb(io_virt + r) +#define in32(r) readl(io_virt + r) //====================================== // @@ -90,47 +118,47 @@ module_param(vesafb,int,0); // //====================================== -static inline unsigned char read3X4(int reg) +static inline u8 read3X4(u32 reg) { - out8(0x3D4,reg); + out8(0x3D4, reg); return in8(0x3D5); } -static inline unsigned char read3C4(int reg) +static inline u8 read3C4(u32 reg) { - out8(0x3C4,reg); + out8(0x3C4, reg); return in8(0x3C5); } -static inline unsigned char read3CE(int reg) +static inline u8 read3CE(u32 reg) { - out8(0x3CE,reg); + out8(0x3CE, reg); return in8(0x3CF); } -static inline void write3X4(int reg,unsigned char val) +static inline void write3X4(u32 reg, u8 val) { - out8(0x3D4,reg); - out8(0x3D5,val); + out8(0x3D4, reg); + out8(0x3D5, val); } -static inline void write3C4(int reg,unsigned char val) +static inline void write3C4(u32 reg, u8 val) { - out8(0x3C4,reg); - out8(0x3C5,val); + out8(0x3C4, reg); + out8(0x3C5, val); } -static inline void write3CE(int reg,unsigned char val) +static inline void write3CE(u32 reg, u8 val) { - out8(0x3CE,reg); - out8(0x3CF,val); + out8(0x3CE, reg); + out8(0x3CF, val); } -static inline void write3C0(int reg,unsigned char val) +static inline void write3C0(u32 reg, u8 val) { - in8(0x3DA); // read to reset index - out8(0x3C0,reg); - out8(0x3C0,val); + in8(0x3DA); // read to reset index + out8(0x3C0, reg); + out8(0x3C0, val); } //================================================= @@ -139,58 +167,62 @@ static inline void write3C0(int reg,unsigned char val) // //================================================= -static inline void enable_mmio(void) +static void enable_mmio(void) { - int tmp; + u8 tmp; - outb(0x0B,0x3C4); + outb(0x0B, 0x3C4); inb(0x3C5); // Set NEW mode - outb(SR0E,0x3C4); // write enable a lot of extended ports - outb(0x80,0x3C5); + outb(SR0E, 0x3C4); // write enable a lot of extended ports + outb(0x80, 0x3C5); - outb(SR11,0x3C4); // write enable those extended ports that - outb(0x87,0x3C5); // are not affected by SR0E_New + outb(SR11, 0x3C4); // write enable those extended ports that + outb(0x87, 0x3C5); // are not affected by SR0E_New - outb(CR1E,0x3d4); // clear write protect bit for port 0x3c2 - tmp=inb(0x3d5) & 0xBF; - outb(CR1E,0x3d4); - outb(tmp,0x3d5); + outb(CR1E, 0x3d4); // clear write protect bit for port 0x3c2 + tmp = inb(0x3d5) & 0xBF; + outb(CR1E, 0x3d4); + outb(tmp, 0x3d5); - outb(CR39,0x3D4); - outb(inb(0x3D5)|0x01,0x3D5); // Enable mmio, everything else untouched + outb(CR39, 0x3D4); + outb(inb(0x3D5) | 0x01, 0x3D5); // Enable mmio } //================================================= // // Set pixel clock VCLK1 -// - multipliers set elswhere -// - freq in units of 0.01 MHz +// - multipliers set elswhere +// - freq in units of 0.01 MHz +// +// Hardware bug: SR18 >= 250 is broken for the +// cyberblade/i1 // //================================================= static void set_vclk(struct cyblafb_par *par, int freq) { - u32 m,n,k; - int f,fi,d,di; - u8 lo=0,hi=0; + u32 m, n, k; + int f, fi, d, di; + u8 lo = 0, hi = 0; d = 2000; k = freq >= 10000 ? 0 : freq >= 5000 ? 1 : freq >= 2500 ? 2 : 3; - for(m = 0;m<64;m++) - for(n = 0;n<250;n++) { // max 249 is a hardware limit for cybla/i1 ! - fi = (int)(((5864727*(n+8))/((m+2)*(1<<k)))>>12); - if ((di = abs(fi - freq)) < d) { - d = di; - f = fi; - lo = (u8) n; - hi = (u8) ((k<<6) | m); + for (m = 0; m < 64; m++) + for (n = 0; n < 250; n++) { + fi = (int)(((5864727 * (n + 8)) / + ((m + 2) * (1 << k))) >> 12); + if ((di = abs(fi - freq)) < d) { + d = di; + f = fi; + lo = (u8) n; + hi = (u8) ((k << 6) | m); + } } - } - write3C4(SR19,hi); - write3C4(SR18,lo); - if(verbosity > 1) + write3C4(SR19, hi); + write3C4(SR18, lo); + if (verbosity > 0) output("pixclock = %d.%02d MHz, k/m/n %x %x %x\n", - freq/100,freq%100,(hi&0xc0)>>6,hi&0x3f,lo); + freq / 100, freq % 100, (hi & 0xc0) >> 6, hi & 0x3f, lo); } //================================================ @@ -199,83 +231,83 @@ static void set_vclk(struct cyblafb_par *par, int freq) // //================================================ -static void cyblafb_setup_GE(int pitch,int bpp) +static void cyblafb_setup_GE(int pitch, int bpp) { - int base = (pitch>>3)<<20; + KD_GRAPHICS_RETURN(); switch (bpp) { - case 8: base |= (0<<29); break; - case 15: base |= (5<<29); break; - case 16: base |= (1<<29); break; - case 24: - case 32: base |= (2<<29); break; + case 8: + basestride = ((pitch >> 3) << 20) | (0 << 29); + break; + case 15: + basestride = ((pitch >> 3) << 20) | (5 << 29); + break; + case 16: + basestride = ((pitch >> 3) << 20) | (1 << 29); + break; + case 24: + case 32: + basestride = ((pitch >> 3) << 20) | (2 << 29); + break; } - write3X4(CR36,0x90); // reset GE - write3X4(CR36,0x80); // enable GE - - out32(GE24,1<<7); // reset all GE pointers - out32(GE24,0); - - write3X4(CR2D,0x00); // GE Timinigs, no delays - - out32(GEB8,base); // Destination Stride / Buffer Base 0, p 133 - out32(GEBC,base); // Destination Stride / Buffer Base 1, p 133 - out32(GEC0,base); // Destination Stride / Buffer Base 2, p 133 - out32(GEC4,base); // Destination Stride / Buffer Base 3, p 133 - out32(GEC8,base); // Source Stride / Buffer Base 0, p 133 - out32(GECC,base); // Source Stride / Buffer Base 1, p 133 - out32(GED0,base); // Source Stride / Buffer Base 2, p 133 - out32(GED4,base); // Source Stride / Buffer Base 3, p 133 - out32(GE6C,0); // Pattern and Style, p 129, ok + write3X4(CR36, 0x90); // reset GE + write3X4(CR36, 0x80); // enable GE + out32(GE24, 1 << 7); // reset all GE pointers by toggling + out32(GE24, 0); // d7 of GE24 + write3X4(CR2D, 0x00); // GE Timinigs, no delays + out32(GE6C, 0); // Pattern and Style, p 129, ok } //===================================================================== // -// Although this is a .fb_sync function that could be enabled in -// cyblafb_ops, we do not include it there. We sync immediately before -// new GE operations to improve performance. +// Cyberblade specific syncing +// +// A timeout might be caused by disabled mmio. +// Cause: +// - bit CR39 & 1 == 0 upon return, X trident driver bug +// - kdm bug (KD_GRAPHICS not set on first switch) +// - kernel design flaw (it believes in the correctness +// of kdm/X +// First we try to sync ignoring that problem, as most of the +// time that will succeed immediately and the enable_mmio() +// would only degrade performance. // //===================================================================== static int cyblafb_sync(struct fb_info *info) { - int status, i=100000; - while( ((status=in32(GE20)) & 0xFA800000) && i != 0) + u32 status, i = 100000; + + KD_GRAPHICS_RETURN(0); + + while (((status = in32(GE20)) & 0xFe800000) && i != 0) i--; if (i == 0) { - // The timeout might be caused by disabled mmio. - // Cause: - // - bit CR39 & 1 == 0 upon return, X trident driver bug - // - kdm bug (KD_GRAPHICS not set on first switch) - // - kernel design flaw (it believes in the correctness - // of kdm/X - // So we make sure that mmio is enabled first ... enable_mmio(); -// show_trace(NULL,&status); - i=1000000; - while( ((status=in32(GE20)) & 0xFA800000) && i != 0) + i = 1000000; + while (((status = in32(GE20)) & 0xFA800000) && i != 0) i--; if (i == 0) { - output("GE Timeout, status: %x\n",status); - if(status & 0x80000000) + output("GE Timeout, status: %x\n", status); + if (status & 0x80000000) output("Bresenham Engine : Busy\n"); - if(status & 0x40000000) + if (status & 0x40000000) output("Setup Engine : Busy\n"); - if(status & 0x20000000) + if (status & 0x20000000) output("SP / DPE : Busy\n"); - if(status & 0x10000000) + if (status & 0x10000000) output("Memory Interface : Busy\n"); - if(status & 0x08000000) + if (status & 0x08000000) output("Com Lst Proc : Busy\n"); - if(status & 0x04000000) + if (status & 0x04000000) output("Block Write : Busy\n"); - if(status & 0x02000000) + if (status & 0x02000000) output("Command Buffer : Full\n"); - if(status & 0x01000000) + if (status & 0x01000000) output("RESERVED : Busy\n"); - if(status & 0x00800000) + if (status & 0x00800000) output("PCI Write Buffer : Busy\n"); cyblafb_setup_GE(info->var.xres, info->var.bits_per_pixel); @@ -291,142 +323,193 @@ static int cyblafb_sync(struct fb_info *info) // //============================== -static void cyblafb_fillrect(struct fb_info * info, - const struct fb_fillrect *fr) +static void cyblafb_fillrect(struct fb_info *info, const struct fb_fillrect *fr) { - int bpp = info->var.bits_per_pixel; - int col; + u32 bpp = info->var.bits_per_pixel, col, desty, height; + + KD_GRAPHICS_RETURN(); switch (bpp) { - default: - case 8: col = fr->color; - col |= col <<8; - col |= col <<16; - break; - case 16: col = ((u32 *)(info->pseudo_palette))[fr->color]; - col |= col <<16; - break; - case 32: col = ((u32 *)(info->pseudo_palette))[fr->color]; - break; + default: + case 8: + col = fr->color; + col |= col << 8; + col |= col << 16; + break; + case 16: + col = ((u32 *) (info->pseudo_palette))[fr->color]; + col |= col << 16; + break; + case 32: + col = ((u32 *) (info->pseudo_palette))[fr->color]; + break; } - cyblafb_sync(info); - - out32(GE60,col); - out32(GE48,fr->rop ? 0x66:ROP_S); - out32(GE44,0x20000000|1<<19|1<<4|2<<2); - out32(GE08,point(fr->dx,fr->dy)); - out32(GE0C,point(fr->dx+fr->width-1,fr->dy+fr->height-1)); - + desty = fr->dy; + height = fr->height; + while (height) { + out32(GEB8, basestride | ((desty * info->var.xres_virtual * + bpp) >> 6)); + out32(GE60, col); + out32(GE48, fr->rop ? 0x66 : ROP_S); + out32(GE44, 0x20000000 | 1 << 19 | 1 << 4 | 2 << 2); + out32(GE08, point(fr->dx, 0)); + out32(GE0C, point(fr->dx + fr->width - 1, + height > 4096 ? 4095 : height - 1)); + if (likely(height <= 4096)) + return; + desty += 4096; + height -= 4096; + } } -//============================== +//================================================ // // Cyberblade specific copyarea // -//============================== +// This function silently assumes that it never +// will be called with width or height exceeding +// 4096. +// +//================================================ -static void cyblafb_copyarea(struct fb_info *info, - const struct fb_copyarea *ca) +static void cyblafb_copyarea(struct fb_info *info, const struct fb_copyarea *ca) { - __u32 s1,s2,d1,d2; - int direction; + u32 s1, s2, d1, d2, direction; + + KD_GRAPHICS_RETURN(); + + s1 = point(ca->sx, 0); + s2 = point(ca->sx + ca->width - 1, ca->height - 1); + d1 = point(ca->dx, 0); + d2 = point(ca->dx + ca->width - 1, ca->height - 1); - s1 = point(ca->sx,ca->sy); - s2 = point(ca->sx+ca->width-1,ca->sy+ca->height-1); - d1 = point(ca->dx,ca->dy); - d2 = point(ca->dx+ca->width-1,ca->dy+ca->height-1); if ((ca->sy > ca->dy) || ((ca->sy == ca->dy) && (ca->sx > ca->dx))) direction = 0; else direction = 2; - cyblafb_sync(info); - - out32(GE44,0xa0000000|1<<19|1<<2|direction); - out32(GE00,direction?s2:s1); - out32(GE04,direction?s1:s2); - out32(GE08,direction?d2:d1); - out32(GE0C,direction?d1:d2); - + out32(GEB8, basestride | ((ca->dy * info->var.xres_virtual * + info->var.bits_per_pixel) >> 6)); + out32(GEC8, basestride | ((ca->sy * info->var.xres_virtual * + info->var.bits_per_pixel) >> 6)); + out32(GE44, 0xa0000000 | 1 << 19 | 1 << 2 | direction); + out32(GE00, direction ? s2 : s1); + out32(GE04, direction ? s1 : s2); + out32(GE08, direction ? d2 : d1); + out32(GE0C, direction ? d1 : d2); } //======================================================================= // // Cyberblade specific imageblit // -// Accelerated for the most usual case, blitting 1-bit deep character -// character images. Everything else is passed to the generic imageblit. +// Accelerated for the most usual case, blitting 1 - bit deep +// character images. Everything else is passed to the generic imageblit +// unless it is so insane that it is better to printk an alert. +// +// Hardware bug: _Never_ blit across pixel column 2048, that will lock +// the system. We split those blit requests into three blitting +// operations. // //======================================================================= static void cyblafb_imageblit(struct fb_info *info, const struct fb_image *image) { - u32 fgcol, bgcol; + u32 *pd = (u32 *) image->data; + u32 bpp = info->var.bits_per_pixel; - int i; - int bpp = info->var.bits_per_pixel; - int index = 0; - int index_end=image->height * image->width / 8; - int width_dds=image->width / 32; - int width_dbs=image->width % 32; - - if (image->depth != 1 || bpp < 8 || bpp > 32 || bpp % 8 != 0 || - image->width % 8 != 0 || image->width == 0 || image->height == 0) { - cfb_imageblit(info,image); + KD_GRAPHICS_RETURN(); + + // Used only for drawing the penguine (image->depth > 1) + if (image->depth != 1) { + cfb_imageblit(info, image); + return; + } + // That should never happen, but it would be fatal + if (image->width == 0 || image->height == 0) { + output("imageblit: width/height 0 detected\n"); return; } if (info->fix.visual == FB_VISUAL_TRUECOLOR || info->fix.visual == FB_VISUAL_DIRECTCOLOR) { - fgcol = ((u32*)(info->pseudo_palette))[image->fg_color]; - bgcol = ((u32*)(info->pseudo_palette))[image->bg_color]; + fgcol = ((u32 *) (info->pseudo_palette))[image->fg_color]; + bgcol = ((u32 *) (info->pseudo_palette))[image->bg_color]; } else { fgcol = image->fg_color; bgcol = image->bg_color; } switch (bpp) { - case 8: - fgcol |= fgcol <<8; fgcol |= fgcol <<16; - bgcol |= bgcol <<8; bgcol |= bgcol <<16; - break; - case 16: - fgcol |= fgcol <<16; - bgcol |= bgcol <<16; - break; - default: - break; + case 8: + fgcol |= fgcol << 8; + bgcol |= bgcol << 8; + case 16: + fgcol |= fgcol << 16; + bgcol |= bgcol << 16; + default: + break; } - cyblafb_sync(info); - - out32(GE60,fgcol); - out32(GE64,bgcol); - out32(GE44,0xa0000000 | 1<<20 | 1<<19); - out32(GE08,point(image->dx,image->dy)); - out32(GE0C,point(image->dx+image->width-1,image->dy+image->height-1)); + out32(GEB8, basestride | ((image->dy * info->var.xres_virtual * + bpp) >> 6)); + out32(GE60, fgcol); + out32(GE64, bgcol); + + if (!(image->dx < 2048 && (image->dx + image->width - 1) >= 2048)) { + u32 dds = ((image->width + 31) >> 5) * image->height; + out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19); + out32(GE08, point(image->dx, 0)); + out32(GE0C, point(image->dx + image->width - 1, + image->height - 1)); + while (dds--) + out32(GE9C, *pd++); + } else { + int i, j; + u32 ddstotal = (image->width + 31) >> 5; + u32 ddsleft = (2048 - image->dx + 31) >> 5; + u32 skipleft = ddstotal - ddsleft; + + out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19); + out32(GE08, point(image->dx, 0)); + out32(GE0C, point(2048 - 1, image->height - 1)); + for (i = 0; i < image->height; i++) { + for (j = 0; j < ddsleft; j++) + out32(GE9C, *pd++); + pd += skipleft; + } - while(index < index_end) { - const char *p = image->data + index; - for(i=0;i<width_dds;i++) { - out32(GE9C,*(u32*)p); - p+=4; - index+=4; + if (image->dx % 32) { + out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19); + out32(GE08, point(2048, 0)); + if (image->width > ddsleft << 5) + out32(GE0C, point(image->dx + (ddsleft << 5) - + 1, image->height - 1)); + else + out32(GE0C, point(image->dx + image->width - 1, + image->height - 1)); + pd = ((u32 *) image->data) + ddstotal - skipleft - 1; + for (i = 0; i < image->height; i++) { + out32(GE9C, swab32(swab32(*pd) << ((32 - + (image->dx & 31)) & 31))); + pd += ddstotal; + } } - switch(width_dbs) { - case 0: break; - case 8: out32(GE9C,*(u8*)p); - index+=1; - break; - case 16: out32(GE9C,*(u16*)p); - index+=2; - break; - case 24: out32(GE9C,*(u16*)p | *(u8*)(p+2)<<16); - index+=3; - break; + + if (skipleft) { + out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19); + out32(GE08, point(image->dx + (ddsleft << 5), 0)); + out32(GE0C, point(image->dx + image->width - 1, + image->height - 1)); + pd = (u32 *) image->data; + for (i = 0; i < image->height; i++) { + pd += ddsleft; + for (j = 0; j < skipleft; j++) + out32(GE9C, *pd++); + } } } } @@ -443,7 +526,6 @@ static int cyblafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { int bpp = var->bits_per_pixel; - int s,t,maxvyres; // // we try to support 8, 16, 24 and 32 bpp modes, @@ -453,9 +535,9 @@ static int cyblafb_check_var(struct fb_var_screeninfo *var, // (This is what tridentfb does ... will be changed in the future) // // - if ( bpp % 8 != 0 || bpp < 8 || bpp >32) + if (bpp % 8 != 0 || bpp < 8 || bpp > 32) bpp = 8; - if (bpp == 24 ) + if (bpp == 24) bpp = var->bits_per_pixel = 32; // @@ -472,65 +554,93 @@ static int cyblafb_check_var(struct fb_var_screeninfo *var, return -EINVAL; // - // xres != xres_virtual is broken, fail if such an - // unusual mode is requested + // we do not allow vclk to exceed 230 MHz. If the requested + // vclk is too high, we default to 200 MHz // - if (var->xres != var->xres_virtual) - return -EINVAL; + if ((bpp == 32 ? 200000000 : 100000000) / var->pixclock > 23000) + var->pixclock = (bpp == 32 ? 200000000 : 100000000) / 20000; // - // we do not allow vclk to exceed 230 MHz + // enforce (h|v)sync_len limits // - if ((bpp==32 ? 200000000 : 100000000) / var->pixclock > 23000) - return -EINVAL; + var->hsync_len &= ~7; + if(var->hsync_len > 248) + var->hsync_len = 248; + + var->vsync_len &= 15; // - // calc max yres_virtual that would fit in memory - // and max yres_virtual that could be used for scrolling - // and use minimum of the results as maxvyres - // - // adjust vyres_virtual to maxvyres if necessary - // fail if requested yres is bigger than maxvyres + // Enforce horizontal and vertical hardware limits. + // 1600x1200 is mentioned as a maximum, but higher resolutions could + // work with slow refresh, small margins and short sync. // - s = (0x1fffff / (var->xres * bpp/8)) + var->yres; - t = info->fix.smem_len / (var->xres * bpp/8); - maxvyres = t < s ? t : s; - if (maxvyres < var->yres_virtual) - var->yres_virtual=maxvyres; - if (maxvyres < var->yres) + var->xres &= ~7; + + if (((var->xres + var->left_margin + var->right_margin + + var->hsync_len) > (bpp == 32 ? 2040 : 4088)) || + ((var->yres + var->upper_margin + var->lower_margin + + var->vsync_len) > 2047)) return -EINVAL; - switch (bpp) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 6; - var->green.length = 6; - var->blue.length = 6; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - break; - default: + if ((var->xres > 1600) || (var->yres > 1200)) + output("Mode %dx%d exceeds documented limits.\n", + var->xres, var->yres); + // + // try to be smart about (x|y)res_virtual problems. + // + if (var->xres > var->xres_virtual) + var->xres_virtual = var->xres; + if (var->yres > var->yres_virtual) + var->yres_virtual = var->yres; + + if (bpp == 8 || bpp == 16) { + if (var->xres_virtual > 4088) + var->xres_virtual = 4088; + } else { + if (var->xres_virtual > 2040) + var->xres_virtual = 2040; + } + var->xres_virtual &= ~7; + while (var->xres_virtual * var->yres_virtual * bpp / 8 > + info->fix.smem_len) { + if (var->yres_virtual > var->yres) + var->yres_virtual--; + else if (var->xres_virtual > var->xres) + var->xres_virtual -= 8; + else return -EINVAL; } - return 0; + switch (bpp) { + case 8: + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->red.length = 6; + var->green.length = 6; + var->blue.length = 6; + break; + case 16: + var->red.offset = 11; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 6; + var->blue.length = 5; + break; + case 32: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + break; + default: + return -EINVAL; + } + return 0; } //===================================================================== @@ -543,23 +653,25 @@ static int cyblafb_check_var(struct fb_var_screeninfo *var, // it, so it is also safe to be used here. BTW: datasheet CR0E on page // 90 really is CR1E, the real CRE is documented on page 72. // +// BUT: +// +// As of internal version 0.60 we do not use vga panning any longer. +// Vga panning did not allow us the use of all available video memory +// and thus prevented ywrap scrolling. We do use the "right view" +// register now. +// +// //===================================================================== static int cyblafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { - unsigned int offset; + KD_GRAPHICS_RETURN(0); - offset=(var->xoffset+(var->yoffset*var->xres))*var->bits_per_pixel/32; info->var.xoffset = var->xoffset; info->var.yoffset = var->yoffset; - - write3X4(CR0D,offset & 0xFF); - write3X4(CR0C,(offset & 0xFF00) >> 8); - write3X4(CR1E,(read3X4(CR1E) & 0xDF) | ((offset & 0x10000) >> 11)); - write3X4(CR27,(read3X4(CR27) & 0xF8) | ((offset & 0xE0000) >> 17)); - write3X4(CR2B,(read3X4(CR2B) & 0xDF) | ((offset & 0x100000) >> 15)); - + out32(GE10, 0x80000000 | ((var->xoffset + (var->yoffset * + var->xres_virtual)) * var->bits_per_pixel / 32)); return 0; } @@ -578,56 +690,96 @@ static void regdump(struct cyblafb_par *par) return; printk("\n"); - for(i=0; i<=0xff; i++) { - outb(i,0x3d4); - printk("CR%02x=%02x ",i,inb(0x3d5)); - if (i%16==15) + for (i = 0; i <= 0xff; i++) { + outb(i, 0x3d4); + printk("CR%02x=%02x ", i, inb(0x3d5)); + if (i % 16 == 15) printk("\n"); } - outb(0x30,0x3ce); - outb(inb(0x3cf) | 0x40,0x3cf); - for(i=0; i<=0x1f; i++) { - if (i==0 || (i>2 && i<8) || i==0x10 || i==0x11 || i==0x16) { - outb(i,0x3d4); - printk("CR%02x=%02x ",i,inb(0x3d5)); + outb(0x30, 0x3ce); + outb(inb(0x3cf) | 0x40, 0x3cf); + for (i = 0; i <= 0x1f; i++) { + if (i == 0 || (i > 2 && i < 8) || i == 0x10 || i == 0x11 + || i == 0x16) { + outb(i, 0x3d4); + printk("CR%02x=%02x ", i, inb(0x3d5)); } else printk("------- "); - if (i%16==15) + if (i % 16 == 15) printk("\n"); } - outb(0x30,0x3ce); - outb(inb(0x3cf) & 0xbf,0x3cf); + outb(0x30, 0x3ce); + outb(inb(0x3cf) & 0xbf, 0x3cf); printk("\n"); - for(i=0; i<=0x7f; i++) { - outb(i,0x3ce); - printk("GR%02x=%02x ",i,inb(0x3cf)); - if (i%16==15) + for (i = 0; i <= 0x7f; i++) { + outb(i, 0x3ce); + printk("GR%02x=%02x ", i, inb(0x3cf)); + if (i % 16 == 15) printk("\n"); } printk("\n"); - for(i=0; i<=0xff; i++) { - outb(i,0x3c4); - printk("SR%02x=%02x ",i,inb(0x3c5)); - if (i%16==15) + for (i = 0; i <= 0xff; i++) { + outb(i, 0x3c4); + printk("SR%02x=%02x ", i, inb(0x3c5)); + if (i % 16 == 15) printk("\n"); } printk("\n"); - for(i=0; i <= 0x1F; i++) { - inb(0x3da); // next access is index! - outb(i,0x3c0); - printk("AR%02x=%02x ",i,inb(0x3c1)); - if (i%16==15) + for (i = 0; i <= 0x1F; i++) { + inb(0x3da); // next access is index! + outb(i, 0x3c0); + printk("AR%02x=%02x ", i, inb(0x3c1)); + if (i % 16 == 15) printk("\n"); } printk("\n"); - inb(0x3DA); // reset internal flag to 3c0 index - outb(0x20,0x3C0); // enable attr + inb(0x3DA); // reset internal flag to 3c0 index + outb(0x20, 0x3C0); // enable attr + + return; +} + +//======================================================================= +// +// Save State +// +// This function is called while a switch to KD_TEXT is in progress, +// before any of the other functions are called. +// +//======================================================================= +static void cyblafb_save_state(struct fb_info *info) +{ + struct cyblafb_par *par = info->par; + if (verbosity > 0) + output("Switching to KD_TEXT\n"); + disabled = 0; + regdump(par); + enable_mmio(); + return; +} + +//======================================================================= +// +// Restore State +// +// This function is called while a switch to KD_GRAPHICS is in progress, +// We have to turn on vga style panning registers again because the +// trident driver of X does not know about GE10. +// +//======================================================================= + +static void cyblafb_restore_state(struct fb_info *info) +{ + if (verbosity > 0) + output("Switching to KD_GRAPHICS\n"); + out32(GE10, 0); + disabled = 1; return; } @@ -640,32 +792,34 @@ static void regdump(struct cyblafb_par *par) static int cyblafb_set_par(struct fb_info *info) { struct cyblafb_par *par = info->par; - u32 - htotal,hdispend,hsyncstart,hsyncend,hblankstart,hblankend,preendfetch, - vtotal,vdispend,vsyncstart,vsyncend,vblankstart,vblankend; + u32 htotal, hdispend, hsyncstart, hsyncend, hblankstart, + hblankend, preendfetch, vtotal, vdispend, vsyncstart, + vsyncend, vblankstart, vblankend; struct fb_var_screeninfo *var = &info->var; int bpp = var->bits_per_pixel; int i; + KD_GRAPHICS_RETURN(0); + if (verbosity > 0) output("Switching to new mode: " "fbset -g %d %d %d %d %d -t %d %d %d %d %d %d %d\n", - var->xres,var->yres,var->xres_virtual, - var->yres_virtual,var->bits_per_pixel,var->pixclock, - var->left_margin,var->right_margin,var->upper_margin, - var->lower_margin,var->hsync_len,var->vsync_len); + var->xres, var->yres, var->xres_virtual, + var->yres_virtual, var->bits_per_pixel, var->pixclock, + var->left_margin, var->right_margin, var->upper_margin, + var->lower_margin, var->hsync_len, var->vsync_len); htotal = (var->xres + var->left_margin + var->right_margin + - var->hsync_len) / 8 - 5; - hdispend = var->xres/8 - 1; - hsyncstart = (var->xres + var->right_margin)/8; - hsyncend = var->hsync_len/8; + var->hsync_len) / 8 - 5; + hdispend = var->xres / 8 - 1; + hsyncstart = (var->xres + var->right_margin) / 8; + hsyncend = var->hsync_len / 8; hblankstart = hdispend + 1; hblankend = htotal + 3; // should be htotal + 5, bios does it this way - preendfetch = ((var->xres >> 3) + 1) * ((bpp+1) >> 3); + preendfetch = ((var->xres >> 3) + 1) * ((bpp + 1) >> 3); vtotal = var->yres + var->upper_margin + var->lower_margin + - var->vsync_len - 2; + var->vsync_len - 2; vdispend = var->yres - 1; vsyncstart = var->yres + var->lower_margin; vblankstart = var->yres; @@ -674,101 +828,99 @@ static int cyblafb_set_par(struct fb_info *info) enable_mmio(); // necessary! ... check X ... - write3X4(CR11,read3X4(CR11) & 0x7F); // unlock cr00 .. cr07 + write3X4(CR11, read3X4(CR11) & 0x7F); // unlock cr00 .. cr07 - write3CE(GR30,8); + write3CE(GR30, 8); if ((displaytype == DISPLAY_FP) && var->xres < nativex) { // stretch or center ? - out8(0x3C2,0xEB); + out8(0x3C2, 0xEB); - write3CE(GR30,read3CE(GR30) | 0x81); // shadow mode on + write3CE(GR30, read3CE(GR30) | 0x81); // shadow mode on if (center) { - write3CE(GR52,(read3CE(GR52) & 0x7C) | 0x80); - write3CE(GR53,(read3CE(GR53) & 0x7C) | 0x80); - } - else if (stretch) { - write3CE(GR5D,0); - write3CE(GR52,(read3CE(GR52) & 0x7C) | 1); - write3CE(GR53,(read3CE(GR53) & 0x7C) | 1); + write3CE(GR52, (read3CE(GR52) & 0x7C) | 0x80); + write3CE(GR53, (read3CE(GR53) & 0x7C) | 0x80); + } else if (stretch) { + write3CE(GR5D, 0); + write3CE(GR52, (read3CE(GR52) & 0x7C) | 1); + write3CE(GR53, (read3CE(GR53) & 0x7C) | 1); } } else { - out8(0x3C2,0x2B); - write3CE(GR30,8); + out8(0x3C2, 0x2B); + write3CE(GR30, 8); } // // Setup CRxx regs // - write3X4(CR00,htotal & 0xFF); - write3X4(CR01,hdispend & 0xFF); - write3X4(CR02,hblankstart & 0xFF); - write3X4(CR03,hblankend & 0x1F); - write3X4(CR04,hsyncstart & 0xFF); - write3X4(CR05,(hsyncend & 0x1F) | ((hblankend & 0x20)<<2)); - write3X4(CR06,vtotal & 0xFF); - write3X4(CR07,(vtotal & 0x100) >> 8 | - (vdispend & 0x100) >> 7 | - (vsyncstart & 0x100) >> 6 | - (vblankstart & 0x100) >> 5 | - 0x10 | - (vtotal & 0x200) >> 4 | - (vdispend & 0x200) >> 3 | - (vsyncstart & 0x200) >> 2); - write3X4(CR08,0); - write3X4(CR09,(vblankstart & 0x200) >> 4 | 0x40 | // FIX !!! - ((info->var.vmode & FB_VMODE_DOUBLE) ? 0x80 : 0)); - write3X4(CR0A,0); // Init to some reasonable default - write3X4(CR0B,0); // Init to some reasonable default - write3X4(CR0C,0); // Offset 0 - write3X4(CR0D,0); // Offset 0 - write3X4(CR0E,0); // Init to some reasonable default - write3X4(CR0F,0); // Init to some reasonable default - write3X4(CR10,vsyncstart & 0xFF); - write3X4(CR11,(vsyncend & 0x0F)); - write3X4(CR12,vdispend & 0xFF); - write3X4(CR13,((info->var.xres * bpp)/(4*16)) & 0xFF); - write3X4(CR14,0x40); // double word mode - write3X4(CR15,vblankstart & 0xFF); - write3X4(CR16,vblankend & 0xFF); - write3X4(CR17,0xC3); - write3X4(CR18,0xFF); + write3X4(CR00, htotal & 0xFF); + write3X4(CR01, hdispend & 0xFF); + write3X4(CR02, hblankstart & 0xFF); + write3X4(CR03, hblankend & 0x1F); + write3X4(CR04, hsyncstart & 0xFF); + write3X4(CR05, (hsyncend & 0x1F) | ((hblankend & 0x20) << 2)); + write3X4(CR06, vtotal & 0xFF); + write3X4(CR07, (vtotal & 0x100) >> 8 | + (vdispend & 0x100) >> 7 | + (vsyncstart & 0x100) >> 6 | + (vblankstart & 0x100) >> 5 | + 0x10 | + (vtotal & 0x200) >> 4 | + (vdispend & 0x200) >> 3 | (vsyncstart & 0x200) >> 2); + write3X4(CR08, 0); + write3X4(CR09, (vblankstart & 0x200) >> 4 | 0x40 | // FIX !!! + ((info->var.vmode & FB_VMODE_DOUBLE) ? 0x80 : 0)); + write3X4(CR0A, 0); // Init to some reasonable default + write3X4(CR0B, 0); // Init to some reasonable default + write3X4(CR0C, 0); // Offset 0 + write3X4(CR0D, 0); // Offset 0 + write3X4(CR0E, 0); // Init to some reasonable default + write3X4(CR0F, 0); // Init to some reasonable default + write3X4(CR10, vsyncstart & 0xFF); + write3X4(CR11, (vsyncend & 0x0F)); + write3X4(CR12, vdispend & 0xFF); + write3X4(CR13, ((info->var.xres_virtual * bpp) / (4 * 16)) & 0xFF); + write3X4(CR14, 0x40); // double word mode + write3X4(CR15, vblankstart & 0xFF); + write3X4(CR16, vblankend & 0xFF); + write3X4(CR17, 0xE3); + write3X4(CR18, 0xFF); // CR19: needed for interlaced modes ... ignore it for now - write3X4(CR1A,0x07); // Arbitration Control Counter 1 - write3X4(CR1B,0x07); // Arbitration Control Counter 2 - write3X4(CR1C,0x07); // Arbitration Control Counter 3 - write3X4(CR1D,0x00); // Don't know, doesn't hurt ;-) - write3X4(CR1E,(info->var.vmode & FB_VMODE_INTERLACED) ? 0x84 : 0x80); + write3X4(CR1A, 0x07); // Arbitration Control Counter 1 + write3X4(CR1B, 0x07); // Arbitration Control Counter 2 + write3X4(CR1C, 0x07); // Arbitration Control Counter 3 + write3X4(CR1D, 0x00); // Don't know, doesn't hurt ; -) + write3X4(CR1E, (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84 : 0x80); // CR1F: do not set, contains BIOS info about memsize - write3X4(CR20,0x20); // enabe wr buf, disable 16bit planar mode - write3X4(CR21,0x20); // enable linear memory access + write3X4(CR20, 0x20); // enabe wr buf, disable 16bit planar mode + write3X4(CR21, 0x20); // enable linear memory access // CR22: RO cpu latch readback // CR23: ??? // CR24: RO AR flag state // CR25: RAMDAC rw timing, pclk buffer tristate control ???? // CR26: ??? - write3X4(CR27,(vdispend & 0x400) >> 6 | - (vsyncstart & 0x400) >> 5 | - (vblankstart & 0x400) >> 4 | - (vtotal & 0x400) >> 3 | - 0x8); + write3X4(CR27, (vdispend & 0x400) >> 6 | + (vsyncstart & 0x400) >> 5 | + (vblankstart & 0x400) >> 4 | + (vtotal & 0x400) >> 3 | + 0x8); // CR28: ??? - write3X4(CR29,(read3X4(CR29) & 0xCF) | - ((((info->var.xres * bpp) / (4*16)) & 0x300) >>4)); - write3X4(CR2A,read3X4(CR2A) | 0x40); - write3X4(CR2B,(htotal & 0x100) >> 8 | - (hdispend & 0x100) >> 7 | - // (0x00 & 0x100) >> 6 | hinterlace para bit 8 ??? - (hsyncstart & 0x100) >> 5 | - (hblankstart & 0x100) >> 4); + write3X4(CR29, (read3X4(CR29) & 0xCF) | ((((info->var.xres_virtual * + bpp) / (4 * 16)) & 0x300) >> 4)); + write3X4(CR2A, read3X4(CR2A) | 0x40); + write3X4(CR2B, (htotal & 0x100) >> 8 | + (hdispend & 0x100) >> 7 | + // (0x00 & 0x100) >> 6 | hinterlace para bit 8 ??? + (hsyncstart & 0x100) >> 5 | + (hblankstart & 0x100) >> 4); // CR2C: ??? // CR2D: initialized in cyblafb_setup_GE() - write3X4(CR2F,0x92); // conservative, better signal quality + write3X4(CR2F, 0x92); // conservative, better signal quality // CR30: reserved // CR31: reserved // CR32: reserved @@ -777,96 +929,116 @@ static int cyblafb_set_par(struct fb_info *info) // CR35: disabled in CR36 // CR36: initialized in cyblafb_setup_GE // CR37: i2c, ignore for now - write3X4(CR38,(bpp == 8) ? 0x00 : // - (bpp == 16) ? 0x05 : // highcolor - (bpp == 24) ? 0x29 : // packed 24bit truecolor - (bpp == 32) ? 0x09 : 0); // truecolor, 16 bit pixelbus - write3X4(CR39,0x01 | // MMIO enable - (pcirb ? 0x02 : 0) | // pci read burst enable - (pciwb ? 0x04 : 0)); // pci write burst enable - write3X4(CR55,0x1F | // pci clocks * 2 for STOP# during 1st data phase - (pcirr ? 0x40 : 0) | // pci read retry enable - (pciwr ? 0x80 : 0)); // pci write retry enable - write3X4(CR56,preendfetch >> 8 < 2 ? (preendfetch >> 8 & 0x01)|2 : 0); - write3X4(CR57,preendfetch >> 8 < 2 ? preendfetch & 0xff : 0); - write3X4(CR58,0x82); // Bios does this .... don't know more + write3X4(CR38, (bpp == 8) ? 0x00 : // + (bpp == 16) ? 0x05 : // highcolor + (bpp == 24) ? 0x29 : // packed 24bit truecolor + (bpp == 32) ? 0x09 : 0); // truecolor, 16 bit pixelbus + write3X4(CR39, 0x01 | // MMIO enable + (pcirb ? 0x02 : 0) | // pci read burst enable + (pciwb ? 0x04 : 0)); // pci write burst enable + write3X4(CR55, 0x1F | // pci clocks * 2 for STOP# during 1st data phase + (pcirr ? 0x40 : 0) | // pci read retry enable + (pciwr ? 0x80 : 0)); // pci write retry enable + write3X4(CR56, preendfetch >> 8 < 2 ? (preendfetch >> 8 & 0x01) | 2 + : 0); + write3X4(CR57, preendfetch >> 8 < 2 ? preendfetch & 0xff : 0); + write3X4(CR58, 0x82); // Bios does this .... don't know more // // Setup SRxx regs // - write3C4(SR00,3); - write3C4(SR01,1); //set char clock 8 dots wide - write3C4(SR02,0x0F); //enable 4 maps needed in chain4 mode - write3C4(SR03,0); //no character map select - write3C4(SR04,0x0E); //memory mode: ext mem, even, chain4 + write3C4(SR00, 3); + write3C4(SR01, 1); //set char clock 8 dots wide + write3C4(SR02, 0x0F); //enable 4 maps needed in chain4 mode + write3C4(SR03, 0); //no character map select + write3C4(SR04, 0x0E); //memory mode: ext mem, even, chain4 - out8(0x3C4,0x0b); + out8(0x3C4, 0x0b); in8(0x3C5); // Set NEW mode - write3C4(SR0D,0x00); // test ... check + write3C4(SR0D, 0x00); // test ... check - set_vclk(par,(bpp==32 ? 200000000 : 100000000)/ - info->var.pixclock); //SR18,SR19 + set_vclk(par, (bpp == 32 ? 200000000 : 100000000) + / info->var.pixclock); //SR18, SR19 // // Setup GRxx regs // - write3CE(GR00,0x00); // test ... check - write3CE(GR01,0x00); // test ... check - write3CE(GR02,0x00); // test ... check - write3CE(GR03,0x00); // test ... check - write3CE(GR04,0x00); // test ... check - write3CE(GR05,0x40); // no CGA compat,allow 256 col - write3CE(GR06,0x05); // graphics mode - write3CE(GR07,0x0F); // planes? - write3CE(GR08,0xFF); // test ... check - write3CE(GR0F,(bpp==32)?0x1A:0x12); // div vclk by 2 if 32bpp, chain4 - write3CE(GR20,0xC0); // test ... check - write3CE(GR2F,0xA0); // PCLK = VCLK, no skew, + write3CE(GR00, 0x00); // test ... check + write3CE(GR01, 0x00); // test ... check + write3CE(GR02, 0x00); // test ... check + write3CE(GR03, 0x00); // test ... check + write3CE(GR04, 0x00); // test ... check + write3CE(GR05, 0x40); // no CGA compat, allow 256 col + write3CE(GR06, 0x05); // graphics mode + write3CE(GR07, 0x0F); // planes? + write3CE(GR08, 0xFF); // test ... check + write3CE(GR0F, (bpp == 32) ? 0x1A : 0x12); // vclk / 2 if 32bpp, chain4 + write3CE(GR20, 0xC0); // test ... check + write3CE(GR2F, 0xA0); // PCLK = VCLK, no skew, // // Setup ARxx regs // - for(i = 0;i < 0x10;i++) // set AR00 .. AR0f - write3C0(i,i); - write3C0(AR10,0x41); // graphics mode and support 256 color modes - write3C0(AR12,0x0F); // planes - write3C0(AR13,0); // horizontal pel panning + for (i = 0; i < 0x10; i++) // set AR00 .. AR0f + write3C0(i, i); + write3C0(AR10, 0x41); // graphics mode and support 256 color modes + write3C0(AR12, 0x0F); // planes + write3C0(AR13, 0); // horizontal pel panning in8(0x3DA); // reset internal flag to 3c0 index - out8(0x3C0,0x20); // enable attr + out8(0x3C0, 0x20); // enable attr // // Setup hidden RAMDAC command register // - in8(0x3C8); // these reads are - in8(0x3C6); // necessary to - in8(0x3C6); // unmask the RAMDAC - in8(0x3C6); // command reg, otherwise - in8(0x3C6); // we would write the pixelmask reg! - out8(0x3C6,(bpp == 8) ? 0x00 : // 256 colors - (bpp == 15) ? 0x10 : // - (bpp == 16) ? 0x30 : // hicolor - (bpp == 24) ? 0xD0 : // truecolor - (bpp == 32) ? 0xD0 : 0); // truecolor + in8(0x3C8); // these reads are + in8(0x3C6); // necessary to + in8(0x3C6); // unmask the RAMDAC + in8(0x3C6); // command reg, otherwise + in8(0x3C6); // we would write the pixelmask reg! + out8(0x3C6, (bpp == 8) ? 0x00 : // 256 colors + (bpp == 15) ? 0x10 : // + (bpp == 16) ? 0x30 : // hicolor + (bpp == 24) ? 0xD0 : // truecolor + (bpp == 32) ? 0xD0 : 0); // truecolor in8(0x3C8); // // GR31 is not mentioned in the datasheet // if (displaytype == DISPLAY_FP) - write3CE(GR31,(read3CE(GR31) & 0x8F) | + write3CE(GR31, (read3CE(GR31) & 0x8F) | ((info->var.yres > 1024) ? 0x50 : - (info->var.yres > 768) ? 0x30 : - (info->var.yres > 600) ? 0x20 : - (info->var.yres > 480) ? 0x10 : 0)); + (info->var.yres > 768) ? 0x30 : + (info->var.yres > 600) ? 0x20 : + (info->var.yres > 480) ? 0x10 : 0)); info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; - info->fix.line_length = info->var.xres * (bpp >> 3); - info->cmap.len = (bpp == 8) ? 256: 16; + info->fix.line_length = info->var.xres_virtual * (bpp >> 3); + info->cmap.len = (bpp == 8) ? 256 : 16; // // init acceleration engine // - cyblafb_setup_GE(info->var.xres,info->var.bits_per_pixel); + cyblafb_setup_GE(info->var.xres_virtual, info->var.bits_per_pixel); + + // + // Set/clear flags to allow proper scroll mode selection. + // + if (var->xres == var->xres_virtual) + info->flags &= ~FBINFO_HWACCEL_XPAN; + else + info->flags |= FBINFO_HWACCEL_XPAN; + + if (var->yres == var->yres_virtual) + info->flags &= ~FBINFO_HWACCEL_YPAN; + else + info->flags |= FBINFO_HWACCEL_YPAN; + + if (info->fix.smem_len != + var->xres_virtual * var->yres_virtual * bpp / 8) + info->flags &= ~FBINFO_HWACCEL_YWRAP; + else + info->flags |= FBINFO_HWACCEL_YWRAP; regdump(par); @@ -885,27 +1057,27 @@ static int cyblafb_setcolreg(unsigned regno, unsigned red, unsigned green, { int bpp = info->var.bits_per_pixel; + KD_GRAPHICS_RETURN(0); + if (regno >= info->cmap.len) return 1; if (bpp == 8) { - out8(0x3C6,0xFF); - out8(0x3C8,regno); - out8(0x3C9,red>>10); - out8(0x3C9,green>>10); - out8(0x3C9,blue>>10); - - } else if (bpp == 16) // RGB 565 - ((u32*)info->pseudo_palette)[regno] = - (red & 0xF800) | - ((green & 0xFC00) >> 5) | - ((blue & 0xF800) >> 11); - else if (bpp == 32) // ARGB 8888 - ((u32*)info->pseudo_palette)[regno] = - ((transp & 0xFF00) <<16) | - ((red & 0xFF00) << 8) | - ((green & 0xFF00)) | - ((blue & 0xFF00)>>8); + out8(0x3C6, 0xFF); + out8(0x3C8, regno); + out8(0x3C9, red >> 10); + out8(0x3C9, green >> 10); + out8(0x3C9, blue >> 10); + + } else if (bpp == 16) // RGB 565 + ((u32 *) info->pseudo_palette)[regno] = + (red & 0xF800) | + ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11); + else if (bpp == 32) // ARGB 8888 + ((u32 *) info->pseudo_palette)[regno] = + ((transp & 0xFF00) << 16) | + ((red & 0xFF00) << 8) | + ((green & 0xFF00)) | ((blue & 0xFF00) >> 8); return 0; } @@ -918,40 +1090,41 @@ static int cyblafb_setcolreg(unsigned regno, unsigned red, unsigned green, static int cyblafb_blank(int blank_mode, struct fb_info *info) { - unsigned char PMCont,DPMSCont; + unsigned char PMCont, DPMSCont; + + KD_GRAPHICS_RETURN(0); if (displaytype == DISPLAY_FP) return 0; - out8(0x83C8,0x04); // DPMS Control + out8(0x83C8, 0x04); // DPMS Control PMCont = in8(0x83C6) & 0xFC; DPMSCont = read3CE(GR23) & 0xFC; - switch (blank_mode) - { - case FB_BLANK_UNBLANK: // Screen: On, HSync: On, VSync: On - case FB_BLANK_NORMAL: // Screen: Off, HSync: On, VSync: On + switch (blank_mode) { + case FB_BLANK_UNBLANK: // Screen: On, HSync: On, VSync: On + case FB_BLANK_NORMAL: // Screen: Off, HSync: On, VSync: On PMCont |= 0x03; DPMSCont |= 0x00; break; - case FB_BLANK_HSYNC_SUSPEND: // Screen: Off, HSync: Off, VSync: On + case FB_BLANK_HSYNC_SUSPEND: // Screen: Off, HSync: Off, VSync: On PMCont |= 0x02; DPMSCont |= 0x01; break; - case FB_BLANK_VSYNC_SUSPEND: // Screen: Off, HSync: On, VSync: Off + case FB_BLANK_VSYNC_SUSPEND: // Screen: Off, HSync: On, VSync: Off PMCont |= 0x02; DPMSCont |= 0x02; break; - case FB_BLANK_POWERDOWN: // Screen: Off, HSync: Off, VSync: Off + case FB_BLANK_POWERDOWN: // Screen: Off, HSync: Off, VSync: Off PMCont |= 0x00; DPMSCont |= 0x03; break; } - write3CE(GR23,DPMSCont); - out8(0x83C8,4); - out8(0x83C6,PMCont); + write3CE(GR23, DPMSCont); + out8(0x83C8, 4); + out8(0x83C6, PMCont); // // let fbcon do a softblank for us // @@ -959,15 +1132,18 @@ static int cyblafb_blank(int blank_mode, struct fb_info *info) } static struct fb_ops cyblafb_ops __devinitdata = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .fb_setcolreg = cyblafb_setcolreg, .fb_pan_display = cyblafb_pan_display, .fb_blank = cyblafb_blank, .fb_check_var = cyblafb_check_var, .fb_set_par = cyblafb_set_par, .fb_fillrect = cyblafb_fillrect, - .fb_copyarea= cyblafb_copyarea, + .fb_copyarea = cyblafb_copyarea, .fb_imageblit = cyblafb_imageblit, + .fb_sync = cyblafb_sync, + .fb_restore_state = cyblafb_restore_state, + .fb_save_state = cyblafb_save_state, }; //========================================================================== @@ -986,74 +1162,89 @@ static struct fb_ops cyblafb_ops __devinitdata = { static int __devinit getstartupmode(struct fb_info *info) { - u32 htotal,hdispend,hsyncstart,hsyncend,hblankstart,hblankend, - vtotal,vdispend,vsyncstart,vsyncend,vblankstart,vblankend, - cr00,cr01,cr02,cr03,cr04,cr05,cr2b, - cr06,cr07,cr09,cr10,cr11,cr12,cr15,cr16,cr27, - cr38, - sr0d,sr18,sr19, - gr0f, - fi,pxclkdiv,vclkdiv,tmp,i; + u32 htotal, hdispend, hsyncstart, hsyncend, hblankstart, hblankend, + vtotal, vdispend, vsyncstart, vsyncend, vblankstart, vblankend, + cr00, cr01, cr02, cr03, cr04, cr05, cr2b, + cr06, cr07, cr09, cr10, cr11, cr12, cr15, cr16, cr27, + cr38, sr0d, sr18, sr19, gr0f, fi, pxclkdiv, vclkdiv, tmp, i; struct modus { - int xres; int yres; int vyres; int bpp; int pxclk; - int left_margin; int right_margin; int upper_margin; - int lower_margin; int hsync_len; int vsync_len; - } modedb[5] = { - { 0, 0, 8000, 0, 0, 0, 0, 0, 0, 0, 0}, - { 640, 480, 3756, 0, 0, -40, 24, 17, 0, 216, 3}, - { 800, 600, 3221, 0, 0, 96, 24, 14, 0, 136, 11}, - {1024, 768, 2815, 0, 0, 144, 24, 29, 0, 120, 3}, - {1280, 1024, 2662, 0, 0, 232, 16, 39, 0, 160, 3} + int xres; int vxres; int yres; int vyres; + int bpp; int pxclk; + int left_margin; int right_margin; + int upper_margin; int lower_margin; + int hsync_len; int vsync_len; + } modedb[5] = { + { + 0, 2048, 0, 4096, 0, 0, 0, 0, 0, 0, 0, 0}, { + 640, 2048, 480, 4096, 0, 0, -40, 24, 17, 0, 216, 3}, { + 800, 2048, 600, 4096, 0, 0, 96, 24, 14, 0, 136, 11}, { + 1024, 2048, 768, 4096, 0, 0, 144, 24, 29, 0, 120, 3}, { + 1280, 2048, 1024, 4096, 0, 0, 232, 16, 39, 0, 160, 3} }; - outb(0x00,0x3d4); cr00=inb(0x3d5); outb(0x01,0x3d4); cr01=inb(0x3d5); - outb(0x02,0x3d4); cr02=inb(0x3d5); outb(0x03,0x3d4); cr03=inb(0x3d5); - outb(0x04,0x3d4); cr04=inb(0x3d5); outb(0x05,0x3d4); cr05=inb(0x3d5); - outb(0x06,0x3d4); cr06=inb(0x3d5); outb(0x07,0x3d4); cr07=inb(0x3d5); - outb(0x09,0x3d4); cr09=inb(0x3d5); outb(0x10,0x3d4); cr10=inb(0x3d5); - outb(0x11,0x3d4); cr11=inb(0x3d5); outb(0x12,0x3d4); cr12=inb(0x3d5); - outb(0x15,0x3d4); cr15=inb(0x3d5); outb(0x16,0x3d4); cr16=inb(0x3d5); - outb(0x27,0x3d4); cr27=inb(0x3d5); outb(0x2b,0x3d4); cr2b=inb(0x3d5); - outb(0x38,0x3d4); cr38=inb(0x3d5); outb(0x0b,0x3c4); inb(0x3c5); - outb(0x0d,0x3c4); sr0d=inb(0x3c5); outb(0x18,0x3c4); sr18=inb(0x3c5); - outb(0x19,0x3c4); sr19=inb(0x3c5); outb(0x0f,0x3ce); gr0f=inb(0x3cf); - - htotal = cr00 | (cr2b & 0x01) << 8; - hdispend = cr01 | (cr2b & 0x02) << 7; + outb(0x00, 0x3d4); cr00 = inb(0x3d5); + outb(0x01, 0x3d4); cr01 = inb(0x3d5); + outb(0x02, 0x3d4); cr02 = inb(0x3d5); + outb(0x03, 0x3d4); cr03 = inb(0x3d5); + outb(0x04, 0x3d4); cr04 = inb(0x3d5); + outb(0x05, 0x3d4); cr05 = inb(0x3d5); + outb(0x06, 0x3d4); cr06 = inb(0x3d5); + outb(0x07, 0x3d4); cr07 = inb(0x3d5); + outb(0x09, 0x3d4); cr09 = inb(0x3d5); + outb(0x10, 0x3d4); cr10 = inb(0x3d5); + outb(0x11, 0x3d4); cr11 = inb(0x3d5); + outb(0x12, 0x3d4); cr12 = inb(0x3d5); + outb(0x15, 0x3d4); cr15 = inb(0x3d5); + outb(0x16, 0x3d4); cr16 = inb(0x3d5); + outb(0x27, 0x3d4); cr27 = inb(0x3d5); + outb(0x2b, 0x3d4); cr2b = inb(0x3d5); + outb(0x38, 0x3d4); cr38 = inb(0x3d5); + + outb(0x0b, 0x3c4); + inb(0x3c5); + + outb(0x0d, 0x3c4); sr0d = inb(0x3c5); + outb(0x18, 0x3c4); sr18 = inb(0x3c5); + outb(0x19, 0x3c4); sr19 = inb(0x3c5); + outb(0x0f, 0x3ce); gr0f = inb(0x3cf); + + htotal = cr00 | (cr2b & 0x01) << 8; + hdispend = cr01 | (cr2b & 0x02) << 7; hblankstart = cr02 | (cr2b & 0x10) << 4; - hblankend = (cr03 & 0x1f) | (cr05 & 0x80) >> 2; - hsyncstart = cr04 | (cr2b & 0x08) << 5; - hsyncend = cr05 & 0x1f; + hblankend = (cr03 & 0x1f) | (cr05 & 0x80) >> 2; + hsyncstart = cr04 | (cr2b & 0x08) << 5; + hsyncend = cr05 & 0x1f; modedb[0].xres = hblankstart * 8; modedb[0].hsync_len = hsyncend * 8; modedb[0].right_margin = hsyncstart * 8 - modedb[0].xres; modedb[0].left_margin = (htotal + 5) * 8 - modedb[0].xres - - modedb[0].right_margin - modedb[0].hsync_len; - - vtotal = cr06 | (cr07 & 0x01) << 8 | (cr07 & 0x20) << 4 - | (cr27 & 0x80) << 3; - vdispend = cr12 | (cr07 & 0x02) << 7 | (cr07 & 0x40) << 3 - | (cr27 & 0x10) << 6; - vsyncstart = cr10 | (cr07 & 0x04) << 6 | (cr07 & 0x80) << 2 - | (cr27 & 0x20) << 5; - vsyncend = cr11 & 0x0f; + modedb[0].right_margin - modedb[0].hsync_len; + + vtotal = cr06 | (cr07 & 0x01) << 8 | (cr07 & 0x20) << 4 + | (cr27 & 0x80) << 3; + vdispend = cr12 | (cr07 & 0x02) << 7 | (cr07 & 0x40) << 3 + | (cr27 & 0x10) << 6; + vsyncstart = cr10 | (cr07 & 0x04) << 6 | (cr07 & 0x80) << 2 + | (cr27 & 0x20) << 5; + vsyncend = cr11 & 0x0f; vblankstart = cr15 | (cr07 & 0x08) << 5 | (cr09 & 0x20) << 4 - | (cr27 & 0x40) << 4; - vblankend = cr16; + | (cr27 & 0x40) << 4; + vblankend = cr16; - modedb[0].yres = vdispend + 1; - modedb[0].vsync_len = vsyncend; + modedb[0].yres = vdispend + 1; + modedb[0].vsync_len = vsyncend; modedb[0].lower_margin = vsyncstart - modedb[0].yres; modedb[0].upper_margin = vtotal - modedb[0].yres - - modedb[0].lower_margin - modedb[0].vsync_len + 2; + modedb[0].lower_margin - modedb[0].vsync_len + 2; tmp = cr38 & 0x3c; modedb[0].bpp = tmp == 0 ? 8 : tmp == 4 ? 16 : tmp == 28 ? 24 : - tmp == 8 ? 32 : 8; + tmp == 8 ? 32 : 8; - fi = ((5864727*(sr18+8))/(((sr19&0x3f)+2)*(1<<((sr19&0xc0)>>6))))>>12; + fi = ((5864727 * (sr18 + 8)) / + (((sr19 & 0x3f) + 2) * (1 << ((sr19 & 0xc0) >> 6)))) >> 12; pxclkdiv = ((gr0f & 0x08) >> 3 | (gr0f & 0x40) >> 5) + 1; tmp = sr0d & 0x06; vclkdiv = tmp == 0 ? 2 : tmp == 2 ? 4 : tmp == 4 ? 8 : 3; // * 2 ! @@ -1062,10 +1253,10 @@ static int __devinit getstartupmode(struct fb_info *info) if (verbosity > 0) output("detected startup mode: " "fbset -g %d %d %d ??? %d -t %d %d %d %d %d %d %d\n", - modedb[0].xres,modedb[0].yres,modedb[0].xres, - modedb[0].bpp,modedb[0].pxclk,modedb[0].left_margin, - modedb[0].right_margin,modedb[0].upper_margin, - modedb[0].lower_margin,modedb[0].hsync_len, + modedb[0].xres, modedb[0].yres, modedb[0].xres, + modedb[0].bpp, modedb[0].pxclk, modedb[0].left_margin, + modedb[0].right_margin, modedb[0].upper_margin, + modedb[0].lower_margin, modedb[0].hsync_len, modedb[0].vsync_len); // @@ -1073,36 +1264,39 @@ static int __devinit getstartupmode(struct fb_info *info) // do not want to do it in another way! // - tryagain: + tryagain: i = (mode == NULL) ? 0 : - !strncmp(mode,"640x480",7) ? 1 : - !strncmp(mode,"800x600",7) ? 2 : - !strncmp(mode,"1024x768",8) ? 3 : - !strncmp(mode,"1280x1024",9) ? 4 : 0; + !strncmp(mode, "640x480", 7) ? 1 : + !strncmp(mode, "800x600", 7) ? 2 : + !strncmp(mode, "1024x768", 8) ? 3 : + !strncmp(mode, "1280x1024", 9) ? 4 : 0; ref = (ref < 50) ? 50 : (ref > 85) ? 85 : ref; - if(i==0) { + if (i == 0) { info->var.pixclock = modedb[i].pxclk; info->var.bits_per_pixel = modedb[i].bpp; } else { info->var.pixclock = (100000000 / - ((modedb[i].left_margin + modedb[i].xres + - modedb[i].right_margin + modedb[i].hsync_len - ) * ( - modedb[i].upper_margin + modedb[i].yres + - modedb[i].lower_margin + modedb[i].vsync_len - ) * - ref / 10000 - )); + ((modedb[i].left_margin + + modedb[i].xres + + modedb[i].right_margin + + modedb[i].hsync_len) * + (modedb[i].upper_margin + + modedb[i].yres + + modedb[i].lower_margin + + modedb[i].vsync_len) * ref / 10000)); info->var.bits_per_pixel = bpp; } info->var.left_margin = modedb[i].left_margin; info->var.right_margin = modedb[i].right_margin; info->var.xres = modedb[i].xres; - info->var.xres_virtual = modedb[i].xres; + if (!(modedb[i].yres == 1280 && modedb[i].bpp == 32)) + info->var.xres_virtual = modedb[i].vxres; + else + info->var.xres_virtual = modedb[i].xres; info->var.xoffset = 0; info->var.hsync_len = modedb[i].hsync_len; info->var.upper_margin = modedb[i].upper_margin; @@ -1114,33 +1308,32 @@ static int __devinit getstartupmode(struct fb_info *info) info->var.sync = 0; info->var.vmode = FB_VMODE_NONINTERLACED; - if(cyblafb_check_var(&info->var,info)) { - // 640x480-8@75 should really never fail. One case would + if (cyblafb_check_var(&info->var, info)) { + // 640x480 - 8@75 should really never fail. One case would // be fp == 1 and nativex < 640 ... give up then - if(i==1 && bpp == 8 && ref == 75){ + if (i == 1 && bpp == 8 && ref == 75) { output("Can't find a valid mode :-(\n"); return -EINVAL; } // Our detected mode is unlikely to fail. If it does, - // try 640x480-8@75 ... - if(i==0) { - mode="640x480"; - bpp=8; - ref=75; + // try 640x480 - 8@75 ... + if (i == 0) { + mode = "640x480"; + bpp = 8; + ref = 75; output("Detected mode failed check_var! " - "Trying 640x480-8@75\n"); + "Trying 640x480 - 8@75\n"); goto tryagain; } // A specified video mode failed for some reason. // Try the startup mode first output("Specified mode '%s' failed check! " - "Falling back to startup mode.\n",mode); - mode=NULL; + "Falling back to startup mode.\n", mode); + mode = NULL; goto tryagain; } return 0; - } //======================================================== @@ -1160,21 +1353,28 @@ static unsigned int __devinit get_memsize(void) else { tmp = read3X4(CR1F) & 0x0F; switch (tmp) { - case 0x03: k = 1 * Mb; break; - case 0x07: k = 2 * Mb; break; - case 0x0F: k = 4 * Mb; break; - case 0x04: k = 8 * Mb; break; - default: - k = 1 * Mb; - output("Unknown memory size code %x in CR1F." - " We default to 1 Mb for now, please" - " do provide a memsize parameter!\n", - tmp); + case 0x03: + k = 1 * 1024 * 1024; + break; + case 0x07: + k = 2 * 1024 * 1024; + break; + case 0x0F: + k = 4 * 1024 * 1024; + break; + case 0x04: + k = 8 * 1024 * 1024; + break; + default: + k = 1 * 1024 * 1024; + output("Unknown memory size code %x in CR1F." + " We default to 1 Mb for now, please" + " do provide a memsize parameter!\n", tmp); } } if (verbosity > 0) - output("framebuffer size = %d Kb\n",k/Kb); + output("framebuffer size = %d Kb\n", k / Kb); return k; } @@ -1192,7 +1392,7 @@ static unsigned int __devinit get_displaytype(void) return DISPLAY_FP; if (crt) return DISPLAY_CRT; - return (read3CE(GR33) & 0x10)?DISPLAY_FP:DISPLAY_CRT; + return (read3CE(GR33) & 0x10) ? DISPLAY_FP : DISPLAY_CRT; } //===================================== @@ -1203,7 +1403,7 @@ static unsigned int __devinit get_displaytype(void) static int __devinit get_nativex(void) { - int x,y,tmp; + int x, y, tmp; if (nativex) return nativex; @@ -1211,29 +1411,45 @@ static int __devinit get_nativex(void) tmp = (read3CE(GR52) >> 4) & 3; switch (tmp) { - case 0: x = 1280; y = 1024; break; - case 2: x = 1024; y = 768; break; - case 3: x = 800; y = 600; break; - case 4: x = 1400; y = 1050; break; - case 1: - default: x = 640; y = 480; break; + case 0: x = 1280; y = 1024; + break; + case 2: x = 1024; y = 768; + break; + case 3: x = 800; y = 600; + break; + case 4: x = 1400; y = 1050; + break; + case 1: + default: + x = 640; y = 480; + break; } if (verbosity > 0) - output("%dx%d flat panel found\n",x,y); + output("%dx%d flat panel found\n", x, y); return x; } -static int __devinit cybla_pci_probe(struct pci_dev * dev, - const struct pci_device_id * id) +static int __devinit cybla_pci_probe(struct pci_dev *dev, + const struct pci_device_id *id) { struct fb_info *info; struct cyblafb_par *par; - info = framebuffer_alloc(sizeof(struct cyblafb_par),&dev->dev); - + info = framebuffer_alloc(sizeof(struct cyblafb_par), &dev->dev); if (!info) - goto errout_alloc; + goto errout_alloc_info; + + info->pixmap.addr = kzalloc(CYBLAFB_PIXMAPSIZE, GFP_KERNEL); + if (!info->pixmap.addr) { + output("allocation of pixmap buffer failed!\n"); + goto errout_alloc_pixmap; + } + info->pixmap.size = CYBLAFB_PIXMAPSIZE - 4; + info->pixmap.buf_align = 4; + info->pixmap.access_align = 32; + info->pixmap.flags = FB_PIXMAP_SYSTEM; + info->pixmap.scan_align = 4; par = info->par; par->ops = cyblafb_ops; @@ -1246,26 +1462,31 @@ static int __devinit cybla_pci_probe(struct pci_dev * dev, output("could not enable device!\n"); goto errout_enable; } - // might already be requested by vga console or vesafb, // so we do care about success - request_region(0x3c0,32,"cyblafb"); + if (!request_region(0x3c0, 0x20, "cyblafb")) { + output("region 0x3c0/0x20 already reserved\n"); + vesafb |= 1; + } // // Graphics Engine Registers // - request_region(GEBase,0x100,"cyblafb"); + if (!request_region(GEBase, 0x100, "cyblafb")) { + output("region %#x/0x100 already reserved\n", GEBase); + vesafb |= 2; + } regdump(par); enable_mmio(); // setup MMIO region - info->fix.mmio_start = pci_resource_start(dev,1); + info->fix.mmio_start = pci_resource_start(dev, 1); info->fix.mmio_len = 0x20000; if (!request_mem_region(info->fix.mmio_start, - info->fix.mmio_len,"cyblafb")) { + info->fix.mmio_len, "cyblafb")) { output("request_mem_region failed for mmio region!\n"); goto errout_mmio_reqmem; } @@ -1276,18 +1497,17 @@ static int __devinit cybla_pci_probe(struct pci_dev * dev, output("ioremap failed for mmio region\n"); goto errout_mmio_remap; } - // setup framebuffer memory ... might already be requested // by vesafb. Not to fail in case of an unsuccessful request - // is useful for the development cycle - info->fix.smem_start = pci_resource_start(dev,0); + // is useful if both are loaded. + info->fix.smem_start = pci_resource_start(dev, 0); info->fix.smem_len = get_memsize(); if (!request_mem_region(info->fix.smem_start, - info->fix.smem_len,"cyblafb")) { - output("request_mem_region failed for smem region!\n"); - if (!vesafb) - goto errout_smem_req; + info->fix.smem_len, "cyblafb")) { + output("region %#lx/%#x already reserved\n", + info->fix.smem_start, info->fix.smem_len); + vesafb |= 4; } info->screen_base = ioremap_nocache(info->fix.smem_start, @@ -1300,31 +1520,30 @@ static int __devinit cybla_pci_probe(struct pci_dev * dev, displaytype = get_displaytype(); - if(displaytype == DISPLAY_FP) + if (displaytype == DISPLAY_FP) nativex = get_nativex(); - // - // FBINFO_HWACCEL_YWRAP .... does not work (could be made to work?) - // FBINFO_PARTIAL_PAN_OK .... is not ok - // FBINFO_READS_FAST .... is necessary for optimal scrolling - // - info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN - | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT - | FBINFO_HWACCEL_IMAGEBLIT | FBINFO_READS_FAST; + info->flags = FBINFO_DEFAULT + | FBINFO_HWACCEL_COPYAREA + | FBINFO_HWACCEL_FILLRECT + | FBINFO_HWACCEL_IMAGEBLIT + | FBINFO_READS_FAST +// | FBINFO_PARTIAL_PAN_OK + | FBINFO_MISC_ALWAYS_SETPAR; info->pseudo_palette = par->pseudo_pal; - if(getstartupmode(info)) + if (getstartupmode(info)) goto errout_findmode; - fb_alloc_cmap(&info->cmap,256,0); + fb_alloc_cmap(&info->cmap, 256, 0); if (register_framebuffer(info)) { output("Could not register CyBla framebuffer\n"); goto errout_register; } - pci_set_drvdata(dev,info); + pci_set_drvdata(dev, info); // // normal exit and error paths @@ -1332,23 +1551,24 @@ static int __devinit cybla_pci_probe(struct pci_dev * dev, return 0; - errout_register: - errout_findmode: + errout_register: + errout_findmode: iounmap(info->screen_base); - errout_smem_remap: - release_mem_region(info->fix.smem_start, - info->fix.smem_len); - errout_smem_req: + errout_smem_remap: + if (!(vesafb & 4)) + release_mem_region(info->fix.smem_start, info->fix.smem_len); iounmap(io_virt); - errout_mmio_remap: - release_mem_region(info->fix.mmio_start, - info->fix.mmio_len); - errout_mmio_reqmem: -// release_region(0x3c0,32); - errout_enable: + errout_mmio_remap: + release_mem_region(info->fix.mmio_start, info->fix.mmio_len); + errout_mmio_reqmem: + if (!(vesafb & 1)) + release_region(0x3c0, 32); + errout_enable: + kfree(info->pixmap.addr); + errout_alloc_pixmap: framebuffer_release(info); - errout_alloc: - output("CyblaFB version %s aborting init.\n",VERSION); + errout_alloc_info: + output("CyblaFB version %s aborting init.\n", VERSION); return -ENODEV; } @@ -1359,35 +1579,41 @@ static void __devexit cybla_pci_remove(struct pci_dev *dev) unregister_framebuffer(info); iounmap(io_virt); iounmap(info->screen_base); - release_mem_region(info->fix.smem_start,info->fix.smem_len); - release_mem_region(info->fix.mmio_start,info->fix.mmio_len); + if (!(vesafb & 4)) + release_mem_region(info->fix.smem_start, info->fix.smem_len); + release_mem_region(info->fix.mmio_start, info->fix.mmio_len); fb_dealloc_cmap(&info->cmap); + if (!(vesafb & 2)) + release_region(GEBase, 0x100); + if (!(vesafb & 1)) + release_region(0x3c0, 32); + kfree(info->pixmap.addr); framebuffer_release(info); - output("CyblaFB version %s normal exit.\n",VERSION); + output("CyblaFB version %s normal exit.\n", VERSION); } // // List of boards that we are trying to support // static struct pci_device_id cybla_devices[] = { - {PCI_VENDOR_ID_TRIDENT,CYBERBLADEi1,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, + {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {0,} }; -MODULE_DEVICE_TABLE(pci,cybla_devices); +MODULE_DEVICE_TABLE(pci, cybla_devices); static struct pci_driver cyblafb_pci_driver = { - .name = "cyblafb", - .id_table = cybla_devices, - .probe = cybla_pci_probe, - .remove = __devexit_p(cybla_pci_remove) + .name = "cyblafb", + .id_table = cybla_devices, + .probe = cybla_pci_probe, + .remove = __devexit_p(cybla_pci_remove) }; //============================================================= // // kernel command line example: // -// video=cyblafb:1280x1024,bpp=16,ref=50 ... +// video=cyblafb:1280x1024, bpp=16, ref=50 ... // // modprobe command line example: // @@ -1401,45 +1627,44 @@ static int __devinit cyblafb_init(void) char *options = NULL; char *opt; - if (fb_get_options("cyblafb",&options)) + if (fb_get_options("cyblafb", &options)) return -ENODEV; if (options && *options) - while((opt = strsep(&options,",")) != NULL ) { - if (!*opt) continue; - else if (!strncmp(opt,"bpp=",4)) - bpp = simple_strtoul(opt+4,NULL,0); - else if (!strncmp(opt,"ref=",4)) - ref = simple_strtoul(opt+4,NULL,0); - else if (!strncmp(opt,"fp",2)) + while ((opt = strsep(&options, ",")) != NULL) { + if (!*opt) + continue; + else if (!strncmp(opt, "bpp=", 4)) + bpp = simple_strtoul(opt + 4, NULL, 0); + else if (!strncmp(opt, "ref=", 4)) + ref = simple_strtoul(opt + 4, NULL, 0); + else if (!strncmp(opt, "fp", 2)) displaytype = DISPLAY_FP; - else if (!strncmp(opt,"crt",3)) + else if (!strncmp(opt, "crt", 3)) displaytype = DISPLAY_CRT; - else if (!strncmp(opt,"nativex=",8)) - nativex = simple_strtoul(opt+8,NULL,0); - else if (!strncmp(opt,"center",6)) + else if (!strncmp(opt, "nativex=", 8)) + nativex = simple_strtoul(opt + 8, NULL, 0); + else if (!strncmp(opt, "center", 6)) center = 1; - else if (!strncmp(opt,"stretch",7)) + else if (!strncmp(opt, "stretch", 7)) stretch = 1; - else if (!strncmp(opt,"pciwb=",6)) - pciwb = simple_strtoul(opt+6,NULL,0); - else if (!strncmp(opt,"pcirb=",6)) - pcirb = simple_strtoul(opt+6,NULL,0); - else if (!strncmp(opt,"pciwr=",6)) - pciwr = simple_strtoul(opt+6,NULL,0); - else if (!strncmp(opt,"pcirr=",6)) - pcirr = simple_strtoul(opt+6,NULL,0); - else if (!strncmp(opt,"memsize=",8)) - memsize = simple_strtoul(opt+8,NULL,0); - else if (!strncmp(opt,"verbosity=",10)) - verbosity = simple_strtoul(opt+10,NULL,0); - else if (!strncmp(opt,"vesafb",6)) - vesafb = 1; + else if (!strncmp(opt, "pciwb=", 6)) + pciwb = simple_strtoul(opt + 6, NULL, 0); + else if (!strncmp(opt, "pcirb=", 6)) + pcirb = simple_strtoul(opt + 6, NULL, 0); + else if (!strncmp(opt, "pciwr=", 6)) + pciwr = simple_strtoul(opt + 6, NULL, 0); + else if (!strncmp(opt, "pcirr=", 6)) + pcirr = simple_strtoul(opt + 6, NULL, 0); + else if (!strncmp(opt, "memsize=", 8)) + memsize = simple_strtoul(opt + 8, NULL, 0); + else if (!strncmp(opt, "verbosity=", 10)) + verbosity = simple_strtoul(opt + 10, NULL, 0); else mode = opt; } #endif - output("CyblaFB version %s initializing\n",VERSION); + output("CyblaFB version %s initializing\n", VERSION); return pci_module_init(&cyblafb_pci_driver); } diff --git a/drivers/video/offb.c b/drivers/video/offb.c index 00d87f5bb7be..ad1434e3f227 100644 --- a/drivers/video/offb.c +++ b/drivers/video/offb.c @@ -223,6 +223,7 @@ static int offb_blank(int blank, struct fb_info *info) int __init offb_init(void) { struct device_node *dp = NULL, *boot_disp = NULL; + #if defined(CONFIG_BOOTX_TEXT) && defined(CONFIG_PPC32) struct device_node *macos_display = NULL; #endif @@ -234,60 +235,54 @@ int __init offb_init(void) if (boot_infos != 0) { unsigned long addr = (unsigned long) boot_infos->dispDeviceBase; + u32 *addrp; + u64 daddr, dsize; + unsigned int flags; + /* find the device node corresponding to the macos display */ while ((dp = of_find_node_by_type(dp, "display"))) { int i; - /* - * Grrr... It looks like the MacOS ATI driver - * munges the assigned-addresses property (but - * the AAPL,address value is OK). - */ - if (strncmp(dp->name, "ATY,", 4) == 0 - && dp->n_addrs == 1) { - unsigned int *ap = - (unsigned int *) get_property(dp, - "AAPL,address", - NULL); - if (ap != NULL) { - dp->addrs[0].address = *ap; - dp->addrs[0].size = 0x01000000; - } - } /* - * The LTPro on the Lombard powerbook has no addresses - * on the display nodes, they are on their parent. + * Look for an AAPL,address property first. */ - if (dp->n_addrs == 0 - && device_is_compatible(dp, "ATY,264LTPro")) { - int na; - unsigned int *ap = (unsigned int *) - get_property(dp, "AAPL,address", &na); - if (ap != 0) - for (na /= sizeof(unsigned int); - na > 0; --na, ++ap) - if (*ap <= addr - && addr < - *ap + 0x1000000) - goto foundit; + unsigned int na; + unsigned int *ap = + (unsigned int *)get_property(dp, "AAPL,address", + &na); + if (ap != 0) { + for (na /= sizeof(unsigned int); na > 0; + --na, ++ap) + if (*ap <= addr && + addr < *ap + 0x1000000) { + macos_display = dp; + goto foundit; + } } /* * See if the display address is in one of the address * ranges for this display. */ - for (i = 0; i < dp->n_addrs; ++i) { - if (dp->addrs[i].address <= addr - && addr < - dp->addrs[i].address + - dp->addrs[i].size) + i = 0; + for (;;) { + addrp = of_get_address(dp, i++, &dsize, &flags); + if (addrp == NULL) break; + if (!(flags & IORESOURCE_MEM)) + continue; + daddr = of_translate_address(dp, addrp); + if (daddr == OF_BAD_ADDR) + continue; + if (daddr <= addr && addr < (daddr + dsize)) { + macos_display = dp; + goto foundit; + } } - if (i < dp->n_addrs) { - foundit: + foundit: + if (macos_display) { printk(KERN_INFO "MacOS display is %s\n", dp->full_name); - macos_display = dp; break; } } @@ -326,8 +321,10 @@ static void __init offb_init_nodriver(struct device_node *dp) int *pp, i; unsigned int len; int width = 640, height = 480, depth = 8, pitch; - unsigned int rsize, *up; - unsigned long address = 0; + unsigned int flags, rsize, *up; + u64 address = OF_BAD_ADDR; + u32 *addrp; + u64 asize; if ((pp = (int *) get_property(dp, "depth", &len)) != NULL && len == sizeof(int)) @@ -363,7 +360,7 @@ static void __init offb_init_nodriver(struct device_node *dp) break; } if (pdev) { - for (i = 0; i < 6 && address == 0; i++) { + for (i = 0; i < 6 && address == OF_BAD_ADDR; i++) { if ((pci_resource_flags(pdev, i) & IORESOURCE_MEM) && (pci_resource_len(pdev, i) >= rsize)) @@ -374,27 +371,33 @@ static void __init offb_init_nodriver(struct device_node *dp) } #endif /* CONFIG_PCI */ - if (address == 0 && - (up = (unsigned *) get_property(dp, "address", &len)) != NULL && - len == sizeof(unsigned)) - address = (u_long) * up; - if (address == 0) { - for (i = 0; i < dp->n_addrs; ++i) - if (dp->addrs[i].size >= - pitch * height * depth / 8) - break; - if (i >= dp->n_addrs) { + /* This one is dodgy, we may drop it ... */ + if (address == OF_BAD_ADDR && + (up = (unsigned *) get_property(dp, "address", &len)) != NULL && + len == sizeof(unsigned int)) + address = (u64) * up; + + if (address == OF_BAD_ADDR) { + for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags)) + != NULL; i++) { + if (!(flags & IORESOURCE_MEM)) + continue; + if (asize >= pitch * height * depth / 8) + break; + } + if (addrp == NULL) { printk(KERN_ERR "no framebuffer address found for %s\n", dp->full_name); return; } - - address = (u_long) dp->addrs[i].address; - -#ifdef CONFIG_PPC64 - address += ((struct pci_dn *)dp->data)->phb->pci_mem_offset; -#endif + address = of_translate_address(dp, addrp); + if (address == OF_BAD_ADDR) { + printk(KERN_ERR + "can't translate framebuffer address for %s\n", + dp->full_name); + return; + } /* kludge for valkyrie */ if (strcmp(dp->name, "valkyrie") == 0) @@ -459,7 +462,9 @@ static void __init offb_init_fb(const char *name, const char *full_name, par->cmap_type = cmap_unknown; if (depth == 8) { - /* XXX kludge for ati */ + + /* Palette hacks disabled for now */ +#if 0 if (dp && !strncmp(name, "ATY,Rage128", 11)) { unsigned long regbase = dp->addrs[2].address; par->cmap_adr = ioremap(regbase, 0x1FFF); @@ -490,6 +495,7 @@ static void __init offb_init_fb(const char *name, const char *full_name, par->cmap_adr = ioremap(regbase + 0x6000, 0x1000); par->cmap_type = cmap_gxt2000; } +#endif fix->visual = par->cmap_adr ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_STATIC_PSEUDOCOLOR; } else diff --git a/drivers/video/platinumfb.c b/drivers/video/platinumfb.c index ca4082ae5a18..335e37465559 100644 --- a/drivers/video/platinumfb.c +++ b/drivers/video/platinumfb.c @@ -69,6 +69,8 @@ struct fb_info_platinum { unsigned long total_vram; int clktype; int dactype; + + struct resource rsrc_fb, rsrc_reg; }; /* @@ -97,9 +99,6 @@ static int platinum_var_to_par(struct fb_var_screeninfo *var, * Interface used by the world */ -int platinumfb_init(void); -int platinumfb_setup(char*); - static struct fb_ops platinumfb_ops = { .owner = THIS_MODULE, .fb_check_var = platinumfb_check_var, @@ -138,13 +137,15 @@ static int platinumfb_set_par (struct fb_info *info) init = platinum_reg_init[pinfo->vmode-1]; - if (pinfo->vmode == 13 && pinfo->cmode > 0) - offset = 0x10; + if ((pinfo->vmode == VMODE_832_624_75) && (pinfo->cmode > CMODE_8)) + offset = 0x10; + info->screen_base = pinfo->frame_buffer + init->fb_offset + offset; info->fix.smem_start = (pinfo->frame_buffer_phys) + init->fb_offset + offset; info->fix.visual = (pinfo->cmode == CMODE_8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; - info->fix.line_length = vmode_attrs[pinfo->vmode-1].hres * (1<<pinfo->cmode) + offset; + info->fix.line_length = vmode_attrs[pinfo->vmode-1].hres * (1<<pinfo->cmode) + + offset; printk("line_length: %x\n", info->fix.line_length); return 0; } @@ -221,7 +222,9 @@ static int platinumfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, static inline int platinum_vram_reqd(int video_mode, int color_mode) { return vmode_attrs[video_mode-1].vres * - (vmode_attrs[video_mode-1].hres * (1<<color_mode) + 0x20) +0x1000; + (vmode_attrs[video_mode-1].hres * (1<<color_mode) + + ((video_mode == VMODE_832_624_75) && + (color_mode > CMODE_8)) ? 0x10 : 0x20) + 0x1000; } #define STORE_D2(a, d) { \ @@ -481,7 +484,7 @@ static int platinum_var_to_par(struct fb_var_screeninfo *var, /* * Parse user speficied options (`video=platinumfb:') */ -int __init platinumfb_setup(char *options) +static int __init platinumfb_setup(char *options) { char *this_opt; @@ -522,19 +525,15 @@ int __init platinumfb_setup(char *options) #define invalidate_cache(addr) #endif -static int __devinit platinumfb_probe(struct of_device* odev, const struct of_device_id *match) +static int __devinit platinumfb_probe(struct of_device* odev, + const struct of_device_id *match) { struct device_node *dp = odev->node; struct fb_info *info; struct fb_info_platinum *pinfo; - unsigned long addr, size; volatile __u8 *fbuffer; - int i, bank0, bank1, bank2, bank3, rc; + int bank0, bank1, bank2, bank3, rc; - if (dp->n_addrs != 2) { - printk(KERN_ERR "expecting 2 address for platinum (got %d)", dp->n_addrs); - return -ENXIO; - } printk(KERN_INFO "platinumfb: Found Apple Platinum video hardware\n"); info = framebuffer_alloc(sizeof(*pinfo), &odev->dev); @@ -542,26 +541,39 @@ static int __devinit platinumfb_probe(struct of_device* odev, const struct of_de return -ENOMEM; pinfo = info->par; - /* Map in frame buffer and registers */ - for (i = 0; i < dp->n_addrs; ++i) { - addr = dp->addrs[i].address; - size = dp->addrs[i].size; - /* Let's assume we can request either all or nothing */ - if (!request_mem_region(addr, size, "platinumfb")) { - framebuffer_release(info); - return -ENXIO; - } - if (size >= 0x400000) { - /* frame buffer - map only 4MB */ - pinfo->frame_buffer_phys = addr; - pinfo->frame_buffer = __ioremap(addr, 0x400000, _PAGE_WRITETHRU); - pinfo->base_frame_buffer = pinfo->frame_buffer; - } else { - /* registers */ - pinfo->platinum_regs_phys = addr; - pinfo->platinum_regs = ioremap(addr, size); - } + if (of_address_to_resource(dp, 0, &pinfo->rsrc_reg) || + of_address_to_resource(dp, 1, &pinfo->rsrc_fb)) { + printk(KERN_ERR "platinumfb: Can't get resources\n"); + framebuffer_release(info); + return -ENXIO; } + if (!request_mem_region(pinfo->rsrc_reg.start, + pinfo->rsrc_reg.start - + pinfo->rsrc_reg.end + 1, + "platinumfb registers")) { + framebuffer_release(info); + return -ENXIO; + } + if (!request_mem_region(pinfo->rsrc_fb.start, + pinfo->rsrc_fb.start + - pinfo->rsrc_fb.end + 1, + "platinumfb framebuffer")) { + release_mem_region(pinfo->rsrc_reg.start, + pinfo->rsrc_reg.end - + pinfo->rsrc_reg.start + 1); + framebuffer_release(info); + return -ENXIO; + } + + /* frame buffer - map only 4MB */ + pinfo->frame_buffer_phys = pinfo->rsrc_fb.start; + pinfo->frame_buffer = __ioremap(pinfo->rsrc_fb.start, 0x400000, + _PAGE_WRITETHRU); + pinfo->base_frame_buffer = pinfo->frame_buffer; + + /* registers */ + pinfo->platinum_regs_phys = pinfo->rsrc_reg.start; + pinfo->platinum_regs = ioremap(pinfo->rsrc_reg.start, 0x1000); pinfo->cmap_regs_phys = 0xf301b000; /* XXX not in prom? */ request_mem_region(pinfo->cmap_regs_phys, 0x1000, "platinumfb cmap"); @@ -624,18 +636,16 @@ static int __devexit platinumfb_remove(struct of_device* odev) { struct fb_info *info = dev_get_drvdata(&odev->dev); struct fb_info_platinum *pinfo = info->par; - struct device_node *dp = odev->node; - unsigned long addr, size; - int i; unregister_framebuffer (info); /* Unmap frame buffer and registers */ - for (i = 0; i < dp->n_addrs; ++i) { - addr = dp->addrs[i].address; - size = dp->addrs[i].size; - release_mem_region(addr, size); - } + release_mem_region(pinfo->rsrc_fb.start, + pinfo->rsrc_fb.end - + pinfo->rsrc_fb.start + 1); + release_mem_region(pinfo->rsrc_reg.start, + pinfo->rsrc_reg.end - + pinfo->rsrc_reg.start + 1); iounmap(pinfo->frame_buffer); iounmap(pinfo->platinum_regs); release_mem_region(pinfo->cmap_regs_phys, 0x1000); @@ -662,7 +672,7 @@ static struct of_platform_driver platinum_driver = .remove = platinumfb_remove, }; -int __init platinumfb_init(void) +static int __init platinumfb_init(void) { #ifndef MODULE char *option = NULL; @@ -676,7 +686,7 @@ int __init platinumfb_init(void) return 0; } -void __exit platinumfb_exit(void) +static void __exit platinumfb_exit(void) { of_unregister_driver(&platinum_driver); } diff --git a/drivers/video/platinumfb.h b/drivers/video/platinumfb.h index 2834fc1c344b..f6bd77cafd17 100644 --- a/drivers/video/platinumfb.h +++ b/drivers/video/platinumfb.h @@ -158,7 +158,9 @@ static struct platinum_regvals platinum_reg_init_14 = { /* 832x624, 75Hz (13) */ static struct platinum_regvals platinum_reg_init_13 = { 0x70, - { 864, 1680, 3360 }, /* MacOS does 1680 instead of 1696 to fit 16bpp in 1MB */ + { 864, 1680, 3344 }, /* MacOS does 1680 instead of 1696 to fit 16bpp in 1MB, + * and we use 3344 instead of 3360 to fit in 2Mb + */ { 0xff0, 4, 0, 0, 0, 0, 0x299, 0, 0, 0x21e, 0x120, 0x10, 0x23f, 0x1f, 0x25, 0x37, 0x8a, 0x22a, 0x23e, 0x536, 0x534, 4, 9, 0x52, diff --git a/drivers/video/valkyriefb.c b/drivers/video/valkyriefb.c index ce97ec8eae97..2bdeb4baa952 100644 --- a/drivers/video/valkyriefb.c +++ b/drivers/video/valkyriefb.c @@ -342,19 +342,19 @@ int __init valkyriefb_init(void) #else /* ppc (!CONFIG_MAC) */ { struct device_node *dp; + struct resource r; - dp = find_devices("valkyrie"); + dp = of_find_node_by_name(NULL, "valkyrie"); if (dp == 0) return 0; - if (dp->n_addrs != 1) { - printk(KERN_ERR "expecting 1 address for valkyrie (got %d)\n", - dp->n_addrs); + if (of_address_to_resource(dp, 0, &r)) { + printk(KERN_ERR "can't find address for valkyrie\n"); return 0; } - frame_buffer_phys = dp->addrs[0].address; - cmap_regs_phys = dp->addrs[0].address+0x304000; + frame_buffer_phys = r.start; + cmap_regs_phys = r.start + 0x304000; flags = _PAGE_WRITETHRU; } #endif /* ppc (!CONFIG_MAC) */ |
