diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00')
| -rw-r--r-- | drivers/net/wireless/rt2x00/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2400pci.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500pci.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mmio.c | 216 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mmio.h | 119 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00pci.c | 176 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00pci.h | 88 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt61pci.c | 1 |
11 files changed, 362 insertions, 275 deletions
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index 44d6ead43341..76cd47eb901e 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -20,6 +20,7 @@ if RT2X00 config RT2400PCI tristate "Ralink rt2400 (PCI/PCMCIA) support" depends on PCI + select RT2X00_LIB_MMIO select RT2X00_LIB_PCI select EEPROM_93CX6 ---help--- @@ -31,6 +32,7 @@ config RT2400PCI config RT2500PCI tristate "Ralink rt2500 (PCI/PCMCIA) support" depends on PCI + select RT2X00_LIB_MMIO select RT2X00_LIB_PCI select EEPROM_93CX6 ---help--- @@ -43,6 +45,7 @@ config RT61PCI tristate "Ralink rt2501/rt61 (PCI/PCMCIA) support" depends on PCI select RT2X00_LIB_PCI + select RT2X00_LIB_MMIO select RT2X00_LIB_FIRMWARE select RT2X00_LIB_CRYPTO select CRC_ITU_T @@ -55,10 +58,11 @@ config RT61PCI config RT2800PCI tristate "Ralink rt27xx/rt28xx/rt30xx (PCI/PCIe/PCMCIA) support" - depends on PCI || RALINK_RT288X || RALINK_RT305X + depends on PCI || SOC_RT288X || SOC_RT305X select RT2800_LIB + select RT2X00_LIB_MMIO select RT2X00_LIB_PCI if PCI - select RT2X00_LIB_SOC if RALINK_RT288X || RALINK_RT305X + select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X select RT2X00_LIB_FIRMWARE select RT2X00_LIB_CRYPTO select CRC_CCITT @@ -185,6 +189,9 @@ endif config RT2800_LIB tristate +config RT2X00_LIB_MMIO + tristate + config RT2X00_LIB_PCI tristate select RT2X00_LIB diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile index 349d5b8284a4..f069d8bc5b67 100644 --- a/drivers/net/wireless/rt2x00/Makefile +++ b/drivers/net/wireless/rt2x00/Makefile @@ -9,6 +9,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE) += rt2x00firmware.o rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS) += rt2x00leds.o obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o +obj-$(CONFIG_RT2X00_LIB_MMIO) += rt2x00mmio.o obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o obj-$(CONFIG_RT2X00_LIB_SOC) += rt2x00soc.o obj-$(CONFIG_RT2X00_LIB_USB) += rt2x00usb.o diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 221beaaa83f1..dcfb54e0c516 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -34,6 +34,7 @@ #include <linux/slab.h> #include "rt2x00.h" +#include "rt2x00mmio.h" #include "rt2x00pci.h" #include "rt2400pci.h" diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 39edc59e8d03..e1d2dc9ed28a 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -34,6 +34,7 @@ #include <linux/slab.h> #include "rt2x00.h" +#include "rt2x00mmio.h" #include "rt2x00pci.h" #include "rt2500pci.h" diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 48a01aa21f1c..ba5a05625aaa 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -41,6 +41,7 @@ #include <linux/eeprom_93cx6.h> #include "rt2x00.h" +#include "rt2x00mmio.h" #include "rt2x00pci.h" #include "rt2x00soc.h" #include "rt2800lib.h" @@ -89,7 +90,7 @@ static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token) rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); } -#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) +#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) static int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) { void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE); @@ -107,7 +108,7 @@ static inline int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) { return -ENOMEM; } -#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */ +#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */ #ifdef CONFIG_PCI static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) @@ -1177,7 +1178,7 @@ MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); #endif /* CONFIG_PCI */ MODULE_LICENSE("GPL"); -#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) +#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) static int rt2800soc_probe(struct platform_device *pdev) { return rt2x00soc_probe(pdev, &rt2800pci_ops); @@ -1194,7 +1195,7 @@ static struct platform_driver rt2800soc_driver = { .suspend = rt2x00soc_suspend, .resume = rt2x00soc_resume, }; -#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */ +#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */ #ifdef CONFIG_PCI static int rt2800pci_probe(struct pci_dev *pci_dev, @@ -1217,7 +1218,7 @@ static int __init rt2800pci_init(void) { int ret = 0; -#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) +#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) ret = platform_driver_register(&rt2800soc_driver); if (ret) return ret; @@ -1225,7 +1226,7 @@ static int __init rt2800pci_init(void) #ifdef CONFIG_PCI ret = pci_register_driver(&rt2800pci_driver); if (ret) { -#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) +#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) platform_driver_unregister(&rt2800soc_driver); #endif return ret; @@ -1240,7 +1241,7 @@ static void __exit rt2800pci_exit(void) #ifdef CONFIG_PCI pci_unregister_driver(&rt2800pci_driver); #endif -#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X) +#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X) platform_driver_unregister(&rt2800soc_driver); #endif } diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 1031db66474a..189744db65e0 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1236,8 +1236,10 @@ static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev) */ if_limit = &rt2x00dev->if_limits_ap; if_limit->max = rt2x00dev->ops->max_ap_intf; - if_limit->types = BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_MESH_POINT); + if_limit->types = BIT(NL80211_IFTYPE_AP); +#ifdef CONFIG_MAC80211_MESH + if_limit->types |= BIT(NL80211_IFTYPE_MESH_POINT); +#endif /* * Build up AP interface combinations structure. @@ -1309,7 +1311,9 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) rt2x00dev->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | +#ifdef CONFIG_MAC80211_MESH BIT(NL80211_IFTYPE_MESH_POINT) | +#endif BIT(NL80211_IFTYPE_WDS); rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c new file mode 100644 index 000000000000..d84a680ba0c9 --- /dev/null +++ b/drivers/net/wireless/rt2x00/rt2x00mmio.c @@ -0,0 +1,216 @@ +/* + Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> + <http://rt2x00.serialmonkey.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., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + Module: rt2x00mmio + Abstract: rt2x00 generic mmio device routines. + */ + +#include <linux/dma-mapping.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> + +#include "rt2x00.h" +#include "rt2x00mmio.h" + +/* + * Register access. + */ +int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + const struct rt2x00_field32 field, + u32 *reg) +{ + unsigned int i; + + if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) + return 0; + + for (i = 0; i < REGISTER_BUSY_COUNT; i++) { + rt2x00pci_register_read(rt2x00dev, offset, reg); + if (!rt2x00_get_field32(*reg, field)) + return 1; + udelay(REGISTER_BUSY_DELAY); + } + + printk_once(KERN_ERR "%s() Indirect register access failed: " + "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg); + *reg = ~0; + + return 0; +} +EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read); + +bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev) +{ + struct data_queue *queue = rt2x00dev->rx; + struct queue_entry *entry; + struct queue_entry_priv_pci *entry_priv; + struct skb_frame_desc *skbdesc; + int max_rx = 16; + + while (--max_rx) { + entry = rt2x00queue_get_entry(queue, Q_INDEX); + entry_priv = entry->priv_data; + + if (rt2x00dev->ops->lib->get_entry_state(entry)) + break; + + /* + * Fill in desc fields of the skb descriptor + */ + skbdesc = get_skb_frame_desc(entry->skb); + skbdesc->desc = entry_priv->desc; + skbdesc->desc_len = entry->queue->desc_size; + + /* + * DMA is already done, notify rt2x00lib that + * it finished successfully. + */ + rt2x00lib_dmastart(entry); + rt2x00lib_dmadone(entry); + + /* + * Send the frame to rt2x00lib for further processing. + */ + rt2x00lib_rxdone(entry, GFP_ATOMIC); + } + + return !max_rx; +} +EXPORT_SYMBOL_GPL(rt2x00pci_rxdone); + +void rt2x00pci_flush_queue(struct data_queue *queue, bool drop) +{ + unsigned int i; + + for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++) + msleep(10); +} +EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue); + +/* + * Device initialization handlers. + */ +static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev, + struct data_queue *queue) +{ + struct queue_entry_priv_pci *entry_priv; + void *addr; + dma_addr_t dma; + unsigned int i; + + /* + * Allocate DMA memory for descriptor and buffer. + */ + addr = dma_alloc_coherent(rt2x00dev->dev, + queue->limit * queue->desc_size, + &dma, GFP_KERNEL); + if (!addr) + return -ENOMEM; + + memset(addr, 0, queue->limit * queue->desc_size); + + /* + * Initialize all queue entries to contain valid addresses. + */ + for (i = 0; i < queue->limit; i++) { + entry_priv = queue->entries[i].priv_data; + entry_priv->desc = addr + i * queue->desc_size; + entry_priv->desc_dma = dma + i * queue->desc_size; + } + + return 0; +} + +static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev, + struct data_queue *queue) +{ + struct queue_entry_priv_pci *entry_priv = + queue->entries[0].priv_data; + + if (entry_priv->desc) + dma_free_coherent(rt2x00dev->dev, + queue->limit * queue->desc_size, + entry_priv->desc, entry_priv->desc_dma); + entry_priv->desc = NULL; +} + +int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev) +{ + struct data_queue *queue; + int status; + + /* + * Allocate DMA + */ + queue_for_each(rt2x00dev, queue) { + status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue); + if (status) + goto exit; + } + + /* + * Register interrupt handler. + */ + status = request_irq(rt2x00dev->irq, + rt2x00dev->ops->lib->irq_handler, + IRQF_SHARED, rt2x00dev->name, rt2x00dev); + if (status) { + ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n", + rt2x00dev->irq, status); + goto exit; + } + + return 0; + +exit: + queue_for_each(rt2x00dev, queue) + rt2x00pci_free_queue_dma(rt2x00dev, queue); + + return status; +} +EXPORT_SYMBOL_GPL(rt2x00pci_initialize); + +void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev) +{ + struct data_queue *queue; + + /* + * Free irq line. + */ + free_irq(rt2x00dev->irq, rt2x00dev); + + /* + * Free DMA + */ + queue_for_each(rt2x00dev, queue) + rt2x00pci_free_queue_dma(rt2x00dev, queue); +} +EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize); + +/* + * rt2x00mmio module information. + */ +MODULE_AUTHOR(DRV_PROJECT); +MODULE_VERSION(DRV_VERSION); +MODULE_DESCRIPTION("rt2x00 mmio library"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.h b/drivers/net/wireless/rt2x00/rt2x00mmio.h new file mode 100644 index 000000000000..4ecaf60175bf --- /dev/null +++ b/drivers/net/wireless/rt2x00/rt2x00mmio.h @@ -0,0 +1,119 @@ +/* + Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> + <http://rt2x00.serialmonkey.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., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + Module: rt2x00mmio + Abstract: Data structures for the rt2x00mmio module. + */ + +#ifndef RT2X00MMIO_H +#define RT2X00MMIO_H + +#include <linux/io.h> + +/* + * Register access. + */ +static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + u32 *value) +{ + *value = readl(rt2x00dev->csr.base + offset); +} + +static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + void *value, const u32 length) +{ + memcpy_fromio(value, rt2x00dev->csr.base + offset, length); +} + +static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + u32 value) +{ + writel(value, rt2x00dev->csr.base + offset); +} + +static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + const void *value, + const u32 length) +{ + __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2); +} + +/** + * rt2x00pci_regbusy_read - Read from register with busy check + * @rt2x00dev: Device pointer, see &struct rt2x00_dev. + * @offset: Register offset + * @field: Field to check if register is busy + * @reg: Pointer to where register contents should be stored + * + * This function will read the given register, and checks if the + * register is busy. If it is, it will sleep for a couple of + * microseconds before reading the register again. If the register + * is not read after a certain timeout, this function will return + * FALSE. + */ +int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + const struct rt2x00_field32 field, + u32 *reg); + +/** + * struct queue_entry_priv_pci: Per entry PCI specific information + * + * @desc: Pointer to device descriptor + * @desc_dma: DMA pointer to &desc. + * @data: Pointer to device's entry memory. + * @data_dma: DMA pointer to &data. + */ +struct queue_entry_priv_pci { + __le32 *desc; + dma_addr_t desc_dma; +}; + +/** + * rt2x00pci_rxdone - Handle RX done events + * @rt2x00dev: Device pointer, see &struct rt2x00_dev. + * + * Returns true if there are still rx frames pending and false if all + * pending rx frames were processed. + */ +bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev); + +/** + * rt2x00pci_flush_queue - Flush data queue + * @queue: Data queue to stop + * @drop: True to drop all pending frames. + * + * This will wait for a maximum of 100ms, waiting for the queues + * to become empty. + */ +void rt2x00pci_flush_queue(struct data_queue *queue, bool drop); + +/* + * Device initialization handlers. + */ +int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev); +void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev); + +#endif /* RT2X00MMIO_H */ diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index a0c8caef3b0a..e87865e33113 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -33,182 +33,6 @@ #include "rt2x00pci.h" /* - * Register access. - */ -int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - const struct rt2x00_field32 field, - u32 *reg) -{ - unsigned int i; - - if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) - return 0; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2x00pci_register_read(rt2x00dev, offset, reg); - if (!rt2x00_get_field32(*reg, field)) - return 1; - udelay(REGISTER_BUSY_DELAY); - } - - ERROR(rt2x00dev, "Indirect register access failed: " - "offset=0x%.08x, value=0x%.08x\n", offset, *reg); - *reg = ~0; - - return 0; -} -EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read); - -bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev) -{ - struct data_queue *queue = rt2x00dev->rx; - struct queue_entry *entry; - struct queue_entry_priv_pci *entry_priv; - struct skb_frame_desc *skbdesc; - int max_rx = 16; - - while (--max_rx) { - entry = rt2x00queue_get_entry(queue, Q_INDEX); - entry_priv = entry->priv_data; - - if (rt2x00dev->ops->lib->get_entry_state(entry)) - break; - - /* - * Fill in desc fields of the skb descriptor - */ - skbdesc = get_skb_frame_desc(entry->skb); - skbdesc->desc = entry_priv->desc; - skbdesc->desc_len = entry->queue->desc_size; - - /* - * DMA is already done, notify rt2x00lib that - * it finished successfully. - */ - rt2x00lib_dmastart(entry); - rt2x00lib_dmadone(entry); - - /* - * Send the frame to rt2x00lib for further processing. - */ - rt2x00lib_rxdone(entry, GFP_ATOMIC); - } - - return !max_rx; -} -EXPORT_SYMBOL_GPL(rt2x00pci_rxdone); - -void rt2x00pci_flush_queue(struct data_queue *queue, bool drop) -{ - unsigned int i; - - for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++) - msleep(10); -} -EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue); - -/* - * Device initialization handlers. - */ -static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev, - struct data_queue *queue) -{ - struct queue_entry_priv_pci *entry_priv; - void *addr; - dma_addr_t dma; - unsigned int i; - - /* - * Allocate DMA memory for descriptor and buffer. - */ - addr = dma_alloc_coherent(rt2x00dev->dev, - queue->limit * queue->desc_size, - &dma, GFP_KERNEL); - if (!addr) - return -ENOMEM; - - memset(addr, 0, queue->limit * queue->desc_size); - - /* - * Initialize all queue entries to contain valid addresses. - */ - for (i = 0; i < queue->limit; i++) { - entry_priv = queue->entries[i].priv_data; - entry_priv->desc = addr + i * queue->desc_size; - entry_priv->desc_dma = dma + i * queue->desc_size; - } - - return 0; -} - -static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev, - struct data_queue *queue) -{ - struct queue_entry_priv_pci *entry_priv = - queue->entries[0].priv_data; - - if (entry_priv->desc) - dma_free_coherent(rt2x00dev->dev, - queue->limit * queue->desc_size, - entry_priv->desc, entry_priv->desc_dma); - entry_priv->desc = NULL; -} - -int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev) -{ - struct data_queue *queue; - int status; - - /* - * Allocate DMA - */ - queue_for_each(rt2x00dev, queue) { - status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue); - if (status) - goto exit; - } - - /* - * Register interrupt handler. - */ - status = request_irq(rt2x00dev->irq, - rt2x00dev->ops->lib->irq_handler, - IRQF_SHARED, rt2x00dev->name, rt2x00dev); - if (status) { - ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n", - rt2x00dev->irq, status); - goto exit; - } - - return 0; - -exit: - queue_for_each(rt2x00dev, queue) - rt2x00pci_free_queue_dma(rt2x00dev, queue); - - return status; -} -EXPORT_SYMBOL_GPL(rt2x00pci_initialize); - -void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev) -{ - struct data_queue *queue; - - /* - * Free irq line. - */ - free_irq(rt2x00dev->irq, rt2x00dev); - - /* - * Free DMA - */ - queue_for_each(rt2x00dev, queue) - rt2x00pci_free_queue_dma(rt2x00dev, queue); -} -EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize); - -/* * PCI driver handlers. */ static void rt2x00pci_free_reg(struct rt2x00_dev *rt2x00dev) diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h index e2c99f2b9a14..60d90b20f8b9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.h +++ b/drivers/net/wireless/rt2x00/rt2x00pci.h @@ -36,94 +36,6 @@ #define PCI_DEVICE_DATA(__ops) .driver_data = (kernel_ulong_t)(__ops) /* - * Register access. - */ -static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u32 *value) -{ - *value = readl(rt2x00dev->csr.base + offset); -} - -static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - void *value, const u32 length) -{ - memcpy_fromio(value, rt2x00dev->csr.base + offset, length); -} - -static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u32 value) -{ - writel(value, rt2x00dev->csr.base + offset); -} - -static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - const void *value, - const u32 length) -{ - __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2); -} - -/** - * rt2x00pci_regbusy_read - Read from register with busy check - * @rt2x00dev: Device pointer, see &struct rt2x00_dev. - * @offset: Register offset - * @field: Field to check if register is busy - * @reg: Pointer to where register contents should be stored - * - * This function will read the given register, and checks if the - * register is busy. If it is, it will sleep for a couple of - * microseconds before reading the register again. If the register - * is not read after a certain timeout, this function will return - * FALSE. - */ -int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - const struct rt2x00_field32 field, - u32 *reg); - -/** - * struct queue_entry_priv_pci: Per entry PCI specific information - * - * @desc: Pointer to device descriptor - * @desc_dma: DMA pointer to &desc. - * @data: Pointer to device's entry memory. - * @data_dma: DMA pointer to &data. - */ -struct queue_entry_priv_pci { - __le32 *desc; - dma_addr_t desc_dma; -}; - -/** - * rt2x00pci_rxdone - Handle RX done events - * @rt2x00dev: Device pointer, see &struct rt2x00_dev. - * - * Returns true if there are still rx frames pending and false if all - * pending rx frames were processed. - */ -bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev); - -/** - * rt2x00pci_flush_queue - Flush data queue - * @queue: Data queue to stop - * @drop: True to drop all pending frames. - * - * This will wait for a maximum of 100ms, waiting for the queues - * to become empty. - */ -void rt2x00pci_flush_queue(struct data_queue *queue, bool drop); - -/* - * Device initialization handlers. - */ -int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev); -void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev); - -/* * PCI driver handlers. */ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops); diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index f95792cfcf89..9e3c8ff53e3f 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -35,6 +35,7 @@ #include <linux/eeprom_93cx6.h> #include "rt2x00.h" +#include "rt2x00mmio.h" #include "rt2x00pci.h" #include "rt61pci.h" |
