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