tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2
3 Broadcom B43 wireless driver
4 Bus abstraction layer
5
6 Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
21 Boston, MA 02110-1301, USA.
22
23*/
24
25#include "b43.h"
26#include "bus.h"
27
28/* BCMA */
29#ifdef CONFIG_B43_BCMA
30static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
31{
32 return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
33}
34static int b43_bus_bcma_bus_powerup(struct b43_bus_dev *dev,
35 bool dynamic_pctl)
36{
37 return 0; /* bcma_bus_powerup(dev->sdev->bus, dynamic_pctl); */
38}
39static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
40{
41 return bcma_core_is_enabled(dev->bdev);
42}
43static void b43_bus_bcma_device_enable(struct b43_bus_dev *dev,
44 u32 core_specific_flags)
45{
46 bcma_core_enable(dev->bdev, core_specific_flags);
47}
48static void b43_bus_bcma_device_disable(struct b43_bus_dev *dev,
49 u32 core_specific_flags)
50{
51 bcma_core_disable(dev->bdev, core_specific_flags);
52}
53static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
54{
55 return bcma_read16(dev->bdev, offset);
56}
57static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
58{
59 return bcma_read32(dev->bdev, offset);
60}
61static
62void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
63{
64 bcma_write16(dev->bdev, offset, value);
65}
66static
67void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
68{
69 bcma_write32(dev->bdev, offset, value);
70}
71static
72void b43_bus_bcma_block_read(struct b43_bus_dev *dev, void *buffer,
73 size_t count, u16 offset, u8 reg_width)
74{
75 bcma_block_read(dev->bdev, buffer, count, offset, reg_width);
76}
77static
78void b43_bus_bcma_block_write(struct b43_bus_dev *dev, const void *buffer,
79 size_t count, u16 offset, u8 reg_width)
80{
81 bcma_block_write(dev->bdev, buffer, count, offset, reg_width);
82}
83
84struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core)
85{
86 struct b43_bus_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
87 if (!dev)
88 return NULL;
89
90 dev->bus_type = B43_BUS_BCMA;
91 dev->bdev = core;
92
93 dev->bus_may_powerdown = b43_bus_bcma_bus_may_powerdown;
94 dev->bus_powerup = b43_bus_bcma_bus_powerup;
95 dev->device_is_enabled = b43_bus_bcma_device_is_enabled;
96 dev->device_enable = b43_bus_bcma_device_enable;
97 dev->device_disable = b43_bus_bcma_device_disable;
98
99 dev->read16 = b43_bus_bcma_read16;
100 dev->read32 = b43_bus_bcma_read32;
101 dev->write16 = b43_bus_bcma_write16;
102 dev->write32 = b43_bus_bcma_write32;
103 dev->block_read = b43_bus_bcma_block_read;
104 dev->block_write = b43_bus_bcma_block_write;
105
106 dev->dev = &core->dev;
107 dev->dma_dev = core->dma_dev;
108 dev->irq = core->irq;
109
110 /*
111 dev->board_vendor = core->bus->boardinfo.vendor;
112 dev->board_type = core->bus->boardinfo.type;
113 dev->board_rev = core->bus->boardinfo.rev;
114 */
115
116 dev->chip_id = core->bus->chipinfo.id;
117 dev->chip_rev = core->bus->chipinfo.rev;
118 dev->chip_pkg = core->bus->chipinfo.pkg;
119
120 dev->bus_sprom = &core->bus->sprom;
121
122 dev->core_id = core->id.id;
123 dev->core_rev = core->id.rev;
124
125 return dev;
126}
127#endif /* CONFIG_B43_BCMA */
128
129/* SSB */
130#ifdef CONFIG_B43_SSB
131static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
132{
133 return ssb_bus_may_powerdown(dev->sdev->bus);
134}
135static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
136 bool dynamic_pctl)
137{
138 return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
139}
140static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
141{
142 return ssb_device_is_enabled(dev->sdev);
143}
144static void b43_bus_ssb_device_enable(struct b43_bus_dev *dev,
145 u32 core_specific_flags)
146{
147 ssb_device_enable(dev->sdev, core_specific_flags);
148}
149static void b43_bus_ssb_device_disable(struct b43_bus_dev *dev,
150 u32 core_specific_flags)
151{
152 ssb_device_disable(dev->sdev, core_specific_flags);
153}
154
155static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
156{
157 return ssb_read16(dev->sdev, offset);
158}
159static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
160{
161 return ssb_read32(dev->sdev, offset);
162}
163static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
164{
165 ssb_write16(dev->sdev, offset, value);
166}
167static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
168{
169 ssb_write32(dev->sdev, offset, value);
170}
171static void b43_bus_ssb_block_read(struct b43_bus_dev *dev, void *buffer,
172 size_t count, u16 offset, u8 reg_width)
173{
174 ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
175}
176static
177void b43_bus_ssb_block_write(struct b43_bus_dev *dev, const void *buffer,
178 size_t count, u16 offset, u8 reg_width)
179{
180 ssb_block_write(dev->sdev, buffer, count, offset, reg_width);
181}
182
183struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
184{
185 struct b43_bus_dev *dev;
186
187 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
188 if (!dev)
189 return NULL;
190
191 dev->bus_type = B43_BUS_SSB;
192 dev->sdev = sdev;
193
194 dev->bus_may_powerdown = b43_bus_ssb_bus_may_powerdown;
195 dev->bus_powerup = b43_bus_ssb_bus_powerup;
196 dev->device_is_enabled = b43_bus_ssb_device_is_enabled;
197 dev->device_enable = b43_bus_ssb_device_enable;
198 dev->device_disable = b43_bus_ssb_device_disable;
199
200 dev->read16 = b43_bus_ssb_read16;
201 dev->read32 = b43_bus_ssb_read32;
202 dev->write16 = b43_bus_ssb_write16;
203 dev->write32 = b43_bus_ssb_write32;
204 dev->block_read = b43_bus_ssb_block_read;
205 dev->block_write = b43_bus_ssb_block_write;
206
207 dev->dev = sdev->dev;
208 dev->dma_dev = sdev->dma_dev;
209 dev->irq = sdev->irq;
210
211 dev->board_vendor = sdev->bus->boardinfo.vendor;
212 dev->board_type = sdev->bus->boardinfo.type;
213 dev->board_rev = sdev->bus->boardinfo.rev;
214
215 dev->chip_id = sdev->bus->chip_id;
216 dev->chip_rev = sdev->bus->chip_rev;
217 dev->chip_pkg = sdev->bus->chip_package;
218
219 dev->bus_sprom = &sdev->bus->sprom;
220
221 dev->core_id = sdev->id.coreid;
222 dev->core_rev = sdev->id.revision;
223
224 return dev;
225}
226#endif /* CONFIG_B43_SSB */
227
228void *b43_bus_get_wldev(struct b43_bus_dev *dev)
229{
230 switch (dev->bus_type) {
231#ifdef CONFIG_B43_BCMA
232 case B43_BUS_BCMA:
233 return bcma_get_drvdata(dev->bdev);
234#endif
235#ifdef CONFIG_B43_SSB
236 case B43_BUS_SSB:
237 return ssb_get_drvdata(dev->sdev);
238#endif
239 }
240 return NULL;
241}
242
243void b43_bus_set_wldev(struct b43_bus_dev *dev, void *wldev)
244{
245 switch (dev->bus_type) {
246#ifdef CONFIG_B43_BCMA
247 case B43_BUS_BCMA:
248 bcma_set_drvdata(dev->bdev, wldev);
249 break;
250#endif
251#ifdef CONFIG_B43_SSB
252 case B43_BUS_SSB:
253 ssb_set_drvdata(dev->sdev, wldev);
254 break;
255#endif
256 }
257}