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Viewing changes to drivers/net/wireless/b43/bus.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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drivers/net/wireless/b43/bus.c
 
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
 
30
static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
 
31
{
 
32
        return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
 
33
}
 
34
static 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
}
 
39
static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
 
40
{
 
41
        return bcma_core_is_enabled(dev->bdev);
 
42
}
 
43
static 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
}
 
48
static 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
}
 
53
static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
 
54
{
 
55
        return bcma_read16(dev->bdev, offset);
 
56
}
 
57
static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
 
58
{
 
59
        return bcma_read32(dev->bdev, offset);
 
60
}
 
61
static
 
62
void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
 
63
{
 
64
        bcma_write16(dev->bdev, offset, value);
 
65
}
 
66
static
 
67
void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
 
68
{
 
69
        bcma_write32(dev->bdev, offset, value);
 
70
}
 
71
static
 
72
void 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
}
 
77
static
 
78
void 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
 
 
84
struct 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
 
131
static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
 
132
{
 
133
        return ssb_bus_may_powerdown(dev->sdev->bus);
 
134
}
 
135
static 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
}
 
140
static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
 
141
{
 
142
        return ssb_device_is_enabled(dev->sdev);
 
143
}
 
144
static 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
}
 
149
static 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
 
 
155
static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
 
156
{
 
157
        return ssb_read16(dev->sdev, offset);
 
158
}
 
159
static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
 
160
{
 
161
        return ssb_read32(dev->sdev, offset);
 
162
}
 
163
static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
 
164
{
 
165
        ssb_write16(dev->sdev, offset, value);
 
166
}
 
167
static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
 
168
{
 
169
        ssb_write32(dev->sdev, offset, value);
 
170
}
 
171
static 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
}
 
176
static
 
177
void 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
 
 
183
struct 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
 
 
228
void *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
 
 
243
void 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
}