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-rw-r--r--drivers/net/wireless/rt2x00/Kconfig7
-rw-r--r--drivers/net/wireless/rt2x00/Makefile1
-rw-r--r--drivers/net/wireless/rt2x00/rt2400pci.c1
-rw-r--r--drivers/net/wireless/rt2x00/rt2500pci.c1
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c1
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mmio.c216
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mmio.h119
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.c176
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.h88
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c1
10 files changed, 347 insertions, 264 deletions
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index 2bf4efa33186..76cd47eb901e 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -20,6 +20,7 @@ if RT2X00
20config RT2400PCI 20config RT2400PCI
21 tristate "Ralink rt2400 (PCI/PCMCIA) support" 21 tristate "Ralink rt2400 (PCI/PCMCIA) support"
22 depends on PCI 22 depends on PCI
23 select RT2X00_LIB_MMIO
23 select RT2X00_LIB_PCI 24 select RT2X00_LIB_PCI
24 select EEPROM_93CX6 25 select EEPROM_93CX6
25 ---help--- 26 ---help---
@@ -31,6 +32,7 @@ config RT2400PCI
31config RT2500PCI 32config RT2500PCI
32 tristate "Ralink rt2500 (PCI/PCMCIA) support" 33 tristate "Ralink rt2500 (PCI/PCMCIA) support"
33 depends on PCI 34 depends on PCI
35 select RT2X00_LIB_MMIO
34 select RT2X00_LIB_PCI 36 select RT2X00_LIB_PCI
35 select EEPROM_93CX6 37 select EEPROM_93CX6
36 ---help--- 38 ---help---
@@ -43,6 +45,7 @@ config RT61PCI
43 tristate "Ralink rt2501/rt61 (PCI/PCMCIA) support" 45 tristate "Ralink rt2501/rt61 (PCI/PCMCIA) support"
44 depends on PCI 46 depends on PCI
45 select RT2X00_LIB_PCI 47 select RT2X00_LIB_PCI
48 select RT2X00_LIB_MMIO
46 select RT2X00_LIB_FIRMWARE 49 select RT2X00_LIB_FIRMWARE
47 select RT2X00_LIB_CRYPTO 50 select RT2X00_LIB_CRYPTO
48 select CRC_ITU_T 51 select CRC_ITU_T
@@ -57,6 +60,7 @@ config RT2800PCI
57 tristate "Ralink rt27xx/rt28xx/rt30xx (PCI/PCIe/PCMCIA) support" 60 tristate "Ralink rt27xx/rt28xx/rt30xx (PCI/PCIe/PCMCIA) support"
58 depends on PCI || SOC_RT288X || SOC_RT305X 61 depends on PCI || SOC_RT288X || SOC_RT305X
59 select RT2800_LIB 62 select RT2800_LIB
63 select RT2X00_LIB_MMIO
60 select RT2X00_LIB_PCI if PCI 64 select RT2X00_LIB_PCI if PCI
61 select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X 65 select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X
62 select RT2X00_LIB_FIRMWARE 66 select RT2X00_LIB_FIRMWARE
@@ -185,6 +189,9 @@ endif
185config RT2800_LIB 189config RT2800_LIB
186 tristate 190 tristate
187 191
192config RT2X00_LIB_MMIO
193 tristate
194
188config RT2X00_LIB_PCI 195config RT2X00_LIB_PCI
189 tristate 196 tristate
190 select RT2X00_LIB 197 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-$(CONFIG_RT2X00_LIB_FIRMWARE) += rt2x00firmware.o
9rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS) += rt2x00leds.o 9rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS) += rt2x00leds.o
10 10
11obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o 11obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o
12obj-$(CONFIG_RT2X00_LIB_MMIO) += rt2x00mmio.o
12obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o 13obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o
13obj-$(CONFIG_RT2X00_LIB_SOC) += rt2x00soc.o 14obj-$(CONFIG_RT2X00_LIB_SOC) += rt2x00soc.o
14obj-$(CONFIG_RT2X00_LIB_USB) += rt2x00usb.o 15obj-$(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 @@
34#include <linux/slab.h> 34#include <linux/slab.h>
35 35
36#include "rt2x00.h" 36#include "rt2x00.h"
37#include "rt2x00mmio.h"
37#include "rt2x00pci.h" 38#include "rt2x00pci.h"
38#include "rt2400pci.h" 39#include "rt2400pci.h"
39 40
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 @@
34#include <linux/slab.h> 34#include <linux/slab.h>
35 35
36#include "rt2x00.h" 36#include "rt2x00.h"
37#include "rt2x00mmio.h"
37#include "rt2x00pci.h" 38#include "rt2x00pci.h"
38#include "rt2500pci.h" 39#include "rt2500pci.h"
39 40
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index ded73da4de0b..ba5a05625aaa 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -41,6 +41,7 @@
41#include <linux/eeprom_93cx6.h> 41#include <linux/eeprom_93cx6.h>
42 42
43#include "rt2x00.h" 43#include "rt2x00.h"
44#include "rt2x00mmio.h"
44#include "rt2x00pci.h" 45#include "rt2x00pci.h"
45#include "rt2x00soc.h" 46#include "rt2x00soc.h"
46#include "rt2800lib.h" 47#include "rt2800lib.h"
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 @@
1/*
2 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
3 <http://rt2x00.serialmonkey.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21/*
22 Module: rt2x00mmio
23 Abstract: rt2x00 generic mmio device routines.
24 */
25
26#include <linux/dma-mapping.h>
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/slab.h>
30
31#include "rt2x00.h"
32#include "rt2x00mmio.h"
33
34/*
35 * Register access.
36 */
37int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
38 const unsigned int offset,
39 const struct rt2x00_field32 field,
40 u32 *reg)
41{
42 unsigned int i;
43
44 if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
45 return 0;
46
47 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
48 rt2x00pci_register_read(rt2x00dev, offset, reg);
49 if (!rt2x00_get_field32(*reg, field))
50 return 1;
51 udelay(REGISTER_BUSY_DELAY);
52 }
53
54 printk_once(KERN_ERR "%s() Indirect register access failed: "
55 "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
56 *reg = ~0;
57
58 return 0;
59}
60EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
61
62bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
63{
64 struct data_queue *queue = rt2x00dev->rx;
65 struct queue_entry *entry;
66 struct queue_entry_priv_pci *entry_priv;
67 struct skb_frame_desc *skbdesc;
68 int max_rx = 16;
69
70 while (--max_rx) {
71 entry = rt2x00queue_get_entry(queue, Q_INDEX);
72 entry_priv = entry->priv_data;
73
74 if (rt2x00dev->ops->lib->get_entry_state(entry))
75 break;
76
77 /*
78 * Fill in desc fields of the skb descriptor
79 */
80 skbdesc = get_skb_frame_desc(entry->skb);
81 skbdesc->desc = entry_priv->desc;
82 skbdesc->desc_len = entry->queue->desc_size;
83
84 /*
85 * DMA is already done, notify rt2x00lib that
86 * it finished successfully.
87 */
88 rt2x00lib_dmastart(entry);
89 rt2x00lib_dmadone(entry);
90
91 /*
92 * Send the frame to rt2x00lib for further processing.
93 */
94 rt2x00lib_rxdone(entry, GFP_ATOMIC);
95 }
96
97 return !max_rx;
98}
99EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
100
101void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
102{
103 unsigned int i;
104
105 for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
106 msleep(10);
107}
108EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
109
110/*
111 * Device initialization handlers.
112 */
113static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
114 struct data_queue *queue)
115{
116 struct queue_entry_priv_pci *entry_priv;
117 void *addr;
118 dma_addr_t dma;
119 unsigned int i;
120
121 /*
122 * Allocate DMA memory for descriptor and buffer.
123 */
124 addr = dma_alloc_coherent(rt2x00dev->dev,
125 queue->limit * queue->desc_size,
126 &dma, GFP_KERNEL);
127 if (!addr)
128 return -ENOMEM;
129
130 memset(addr, 0, queue->limit * queue->desc_size);
131
132 /*
133 * Initialize all queue entries to contain valid addresses.
134 */
135 for (i = 0; i < queue->limit; i++) {
136 entry_priv = queue->entries[i].priv_data;
137 entry_priv->desc = addr + i * queue->desc_size;
138 entry_priv->desc_dma = dma + i * queue->desc_size;
139 }
140
141 return 0;
142}
143
144static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
145 struct data_queue *queue)
146{
147 struct queue_entry_priv_pci *entry_priv =
148 queue->entries[0].priv_data;
149
150 if (entry_priv->desc)
151 dma_free_coherent(rt2x00dev->dev,
152 queue->limit * queue->desc_size,
153 entry_priv->desc, entry_priv->desc_dma);
154 entry_priv->desc = NULL;
155}
156
157int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
158{
159 struct data_queue *queue;
160 int status;
161
162 /*
163 * Allocate DMA
164 */
165 queue_for_each(rt2x00dev, queue) {
166 status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
167 if (status)
168 goto exit;
169 }
170
171 /*
172 * Register interrupt handler.
173 */
174 status = request_irq(rt2x00dev->irq,
175 rt2x00dev->ops->lib->irq_handler,
176 IRQF_SHARED, rt2x00dev->name, rt2x00dev);
177 if (status) {
178 ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
179 rt2x00dev->irq, status);
180 goto exit;
181 }
182
183 return 0;
184
185exit:
186 queue_for_each(rt2x00dev, queue)
187 rt2x00pci_free_queue_dma(rt2x00dev, queue);
188
189 return status;
190}
191EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
192
193void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
194{
195 struct data_queue *queue;
196
197 /*
198 * Free irq line.
199 */
200 free_irq(rt2x00dev->irq, rt2x00dev);
201
202 /*
203 * Free DMA
204 */
205 queue_for_each(rt2x00dev, queue)
206 rt2x00pci_free_queue_dma(rt2x00dev, queue);
207}
208EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
209
210/*
211 * rt2x00mmio module information.
212 */
213MODULE_AUTHOR(DRV_PROJECT);
214MODULE_VERSION(DRV_VERSION);
215MODULE_DESCRIPTION("rt2x00 mmio library");
216MODULE_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 @@
1/*
2 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
3 <http://rt2x00.serialmonkey.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21/*
22 Module: rt2x00mmio
23 Abstract: Data structures for the rt2x00mmio module.
24 */
25
26#ifndef RT2X00MMIO_H
27#define RT2X00MMIO_H
28
29#include <linux/io.h>
30
31/*
32 * Register access.
33 */
34static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
35 const unsigned int offset,
36 u32 *value)
37{
38 *value = readl(rt2x00dev->csr.base + offset);
39}
40
41static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
42 const unsigned int offset,
43 void *value, const u32 length)
44{
45 memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
46}
47
48static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
49 const unsigned int offset,
50 u32 value)
51{
52 writel(value, rt2x00dev->csr.base + offset);
53}
54
55static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
56 const unsigned int offset,
57 const void *value,
58 const u32 length)
59{
60 __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
61}
62
63/**
64 * rt2x00pci_regbusy_read - Read from register with busy check
65 * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
66 * @offset: Register offset
67 * @field: Field to check if register is busy
68 * @reg: Pointer to where register contents should be stored
69 *
70 * This function will read the given register, and checks if the
71 * register is busy. If it is, it will sleep for a couple of
72 * microseconds before reading the register again. If the register
73 * is not read after a certain timeout, this function will return
74 * FALSE.
75 */
76int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
77 const unsigned int offset,
78 const struct rt2x00_field32 field,
79 u32 *reg);
80
81/**
82 * struct queue_entry_priv_pci: Per entry PCI specific information
83 *
84 * @desc: Pointer to device descriptor
85 * @desc_dma: DMA pointer to &desc.
86 * @data: Pointer to device's entry memory.
87 * @data_dma: DMA pointer to &data.
88 */
89struct queue_entry_priv_pci {
90 __le32 *desc;
91 dma_addr_t desc_dma;
92};
93
94/**
95 * rt2x00pci_rxdone - Handle RX done events
96 * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
97 *
98 * Returns true if there are still rx frames pending and false if all
99 * pending rx frames were processed.
100 */
101bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
102
103/**
104 * rt2x00pci_flush_queue - Flush data queue
105 * @queue: Data queue to stop
106 * @drop: True to drop all pending frames.
107 *
108 * This will wait for a maximum of 100ms, waiting for the queues
109 * to become empty.
110 */
111void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
112
113/*
114 * Device initialization handlers.
115 */
116int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
117void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
118
119#endif /* RT2X00MMIO_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index b1c673ecada1..e87865e33113 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -33,182 +33,6 @@
33#include "rt2x00pci.h" 33#include "rt2x00pci.h"
34 34
35/* 35/*
36 * Register access.
37 */
38int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
39 const unsigned int offset,
40 const struct rt2x00_field32 field,
41 u32 *reg)
42{
43 unsigned int i;
44
45 if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
46 return 0;
47
48 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
49 rt2x00pci_register_read(rt2x00dev, offset, reg);
50 if (!rt2x00_get_field32(*reg, field))
51 return 1;
52 udelay(REGISTER_BUSY_DELAY);
53 }
54
55 printk_once(KERN_ERR "%s() Indirect register access failed: "
56 "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
57 *reg = ~0;
58
59 return 0;
60}
61EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
62
63bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
64{
65 struct data_queue *queue = rt2x00dev->rx;
66 struct queue_entry *entry;
67 struct queue_entry_priv_pci *entry_priv;
68 struct skb_frame_desc *skbdesc;
69 int max_rx = 16;
70
71 while (--max_rx) {
72 entry = rt2x00queue_get_entry(queue, Q_INDEX);
73 entry_priv = entry->priv_data;
74
75 if (rt2x00dev->ops->lib->get_entry_state(entry))
76 break;
77
78 /*
79 * Fill in desc fields of the skb descriptor
80 */
81 skbdesc = get_skb_frame_desc(entry->skb);
82 skbdesc->desc = entry_priv->desc;
83 skbdesc->desc_len = entry->queue->desc_size;
84
85 /*
86 * DMA is already done, notify rt2x00lib that
87 * it finished successfully.
88 */
89 rt2x00lib_dmastart(entry);
90 rt2x00lib_dmadone(entry);
91
92 /*
93 * Send the frame to rt2x00lib for further processing.
94 */
95 rt2x00lib_rxdone(entry, GFP_ATOMIC);
96 }
97
98 return !max_rx;
99}
100EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
101
102void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
103{
104 unsigned int i;
105
106 for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
107 msleep(10);
108}
109EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
110
111/*
112 * Device initialization handlers.
113 */
114static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
115 struct data_queue *queue)
116{
117 struct queue_entry_priv_pci *entry_priv;
118 void *addr;
119 dma_addr_t dma;
120 unsigned int i;
121
122 /*
123 * Allocate DMA memory for descriptor and buffer.
124 */
125 addr = dma_alloc_coherent(rt2x00dev->dev,
126 queue->limit * queue->desc_size,
127 &dma, GFP_KERNEL);
128 if (!addr)
129 return -ENOMEM;
130
131 memset(addr, 0, queue->limit * queue->desc_size);
132
133 /*
134 * Initialize all queue entries to contain valid addresses.
135 */
136 for (i = 0; i < queue->limit; i++) {
137 entry_priv = queue->entries[i].priv_data;
138 entry_priv->desc = addr + i * queue->desc_size;
139 entry_priv->desc_dma = dma + i * queue->desc_size;
140 }
141
142 return 0;
143}
144
145static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
146 struct data_queue *queue)
147{
148 struct queue_entry_priv_pci *entry_priv =
149 queue->entries[0].priv_data;
150
151 if (entry_priv->desc)
152 dma_free_coherent(rt2x00dev->dev,
153 queue->limit * queue->desc_size,
154 entry_priv->desc, entry_priv->desc_dma);
155 entry_priv->desc = NULL;
156}
157
158int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
159{
160 struct data_queue *queue;
161 int status;
162
163 /*
164 * Allocate DMA
165 */
166 queue_for_each(rt2x00dev, queue) {
167 status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
168 if (status)
169 goto exit;
170 }
171
172 /*
173 * Register interrupt handler.
174 */
175 status = request_irq(rt2x00dev->irq,
176 rt2x00dev->ops->lib->irq_handler,
177 IRQF_SHARED, rt2x00dev->name, rt2x00dev);
178 if (status) {
179 ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
180 rt2x00dev->irq, status);
181 goto exit;
182 }
183
184 return 0;
185
186exit:
187 queue_for_each(rt2x00dev, queue)
188 rt2x00pci_free_queue_dma(rt2x00dev, queue);
189
190 return status;
191}
192EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
193
194void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
195{
196 struct data_queue *queue;
197
198 /*
199 * Free irq line.
200 */
201 free_irq(rt2x00dev->irq, rt2x00dev);
202
203 /*
204 * Free DMA
205 */
206 queue_for_each(rt2x00dev, queue)
207 rt2x00pci_free_queue_dma(rt2x00dev, queue);
208}
209EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
210
211/*
212 * PCI driver handlers. 36 * PCI driver handlers.
213 */ 37 */
214static void rt2x00pci_free_reg(struct rt2x00_dev *rt2x00dev) 38static 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 @@
36#define PCI_DEVICE_DATA(__ops) .driver_data = (kernel_ulong_t)(__ops) 36#define PCI_DEVICE_DATA(__ops) .driver_data = (kernel_ulong_t)(__ops)
37 37
38/* 38/*
39 * Register access.
40 */
41static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
42 const unsigned int offset,
43 u32 *value)
44{
45 *value = readl(rt2x00dev->csr.base + offset);
46}
47
48static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
49 const unsigned int offset,
50 void *value, const u32 length)
51{
52 memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
53}
54
55static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
56 const unsigned int offset,
57 u32 value)
58{
59 writel(value, rt2x00dev->csr.base + offset);
60}
61
62static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
63 const unsigned int offset,
64 const void *value,
65 const u32 length)
66{
67 __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
68}
69
70/**
71 * rt2x00pci_regbusy_read - Read from register with busy check
72 * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
73 * @offset: Register offset
74 * @field: Field to check if register is busy
75 * @reg: Pointer to where register contents should be stored
76 *
77 * This function will read the given register, and checks if the
78 * register is busy. If it is, it will sleep for a couple of
79 * microseconds before reading the register again. If the register
80 * is not read after a certain timeout, this function will return
81 * FALSE.
82 */
83int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
84 const unsigned int offset,
85 const struct rt2x00_field32 field,
86 u32 *reg);
87
88/**
89 * struct queue_entry_priv_pci: Per entry PCI specific information
90 *
91 * @desc: Pointer to device descriptor
92 * @desc_dma: DMA pointer to &desc.
93 * @data: Pointer to device's entry memory.
94 * @data_dma: DMA pointer to &data.
95 */
96struct queue_entry_priv_pci {
97 __le32 *desc;
98 dma_addr_t desc_dma;
99};
100
101/**
102 * rt2x00pci_rxdone - Handle RX done events
103 * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
104 *
105 * Returns true if there are still rx frames pending and false if all
106 * pending rx frames were processed.
107 */
108bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
109
110/**
111 * rt2x00pci_flush_queue - Flush data queue
112 * @queue: Data queue to stop
113 * @drop: True to drop all pending frames.
114 *
115 * This will wait for a maximum of 100ms, waiting for the queues
116 * to become empty.
117 */
118void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
119
120/*
121 * Device initialization handlers.
122 */
123int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
124void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
125
126/*
127 * PCI driver handlers. 39 * PCI driver handlers.
128 */ 40 */
129int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops); 41int 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 @@
35#include <linux/eeprom_93cx6.h> 35#include <linux/eeprom_93cx6.h>
36 36
37#include "rt2x00.h" 37#include "rt2x00.h"
38#include "rt2x00mmio.h"
38#include "rt2x00pci.h" 39#include "rt2x00pci.h"
39#include "rt61pci.h" 40#include "rt61pci.h"
40 41