Loading...
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3
4 Broadcom B43 wireless driver
5 Bus abstraction layer
6
7 Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
8
9
10*/
11
12#ifdef CONFIG_BCM47XX_BCMA
13#include <asm/mach-bcm47xx/bcm47xx.h>
14#endif
15
16#include "b43.h"
17#include "bus.h"
18
19/* BCMA */
20#ifdef CONFIG_B43_BCMA
21static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
22{
23 return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
24}
25static int b43_bus_bcma_bus_powerup(struct b43_bus_dev *dev,
26 bool dynamic_pctl)
27{
28 return 0; /* bcma_bus_powerup(dev->sdev->bus, dynamic_pctl); */
29}
30static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
31{
32 return bcma_core_is_enabled(dev->bdev);
33}
34static void b43_bus_bcma_device_enable(struct b43_bus_dev *dev,
35 u32 core_specific_flags)
36{
37 bcma_core_enable(dev->bdev, core_specific_flags);
38}
39static void b43_bus_bcma_device_disable(struct b43_bus_dev *dev,
40 u32 core_specific_flags)
41{
42 bcma_core_disable(dev->bdev, core_specific_flags);
43}
44static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
45{
46 return bcma_read16(dev->bdev, offset);
47}
48static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
49{
50 return bcma_read32(dev->bdev, offset);
51}
52static
53void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
54{
55 bcma_write16(dev->bdev, offset, value);
56}
57static
58void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
59{
60 bcma_write32(dev->bdev, offset, value);
61}
62static
63void b43_bus_bcma_block_read(struct b43_bus_dev *dev, void *buffer,
64 size_t count, u16 offset, u8 reg_width)
65{
66 bcma_block_read(dev->bdev, buffer, count, offset, reg_width);
67}
68static
69void b43_bus_bcma_block_write(struct b43_bus_dev *dev, const void *buffer,
70 size_t count, u16 offset, u8 reg_width)
71{
72 bcma_block_write(dev->bdev, buffer, count, offset, reg_width);
73}
74
75struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core)
76{
77 struct b43_bus_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
78 if (!dev)
79 return NULL;
80
81 dev->bus_type = B43_BUS_BCMA;
82 dev->bdev = core;
83
84 dev->bus_may_powerdown = b43_bus_bcma_bus_may_powerdown;
85 dev->bus_powerup = b43_bus_bcma_bus_powerup;
86 dev->device_is_enabled = b43_bus_bcma_device_is_enabled;
87 dev->device_enable = b43_bus_bcma_device_enable;
88 dev->device_disable = b43_bus_bcma_device_disable;
89
90 dev->read16 = b43_bus_bcma_read16;
91 dev->read32 = b43_bus_bcma_read32;
92 dev->write16 = b43_bus_bcma_write16;
93 dev->write32 = b43_bus_bcma_write32;
94 dev->block_read = b43_bus_bcma_block_read;
95 dev->block_write = b43_bus_bcma_block_write;
96#ifdef CONFIG_BCM47XX_BCMA
97 if (b43_bus_host_is_pci(dev) &&
98 bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA &&
99 bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4716)
100 dev->flush_writes = true;
101#endif
102
103 dev->dev = &core->dev;
104 dev->dma_dev = core->dma_dev;
105 dev->irq = core->irq;
106
107 dev->board_vendor = core->bus->boardinfo.vendor;
108 dev->board_type = core->bus->boardinfo.type;
109 dev->board_rev = core->bus->sprom.board_rev;
110
111 dev->chip_id = core->bus->chipinfo.id;
112 dev->chip_rev = core->bus->chipinfo.rev;
113 dev->chip_pkg = core->bus->chipinfo.pkg;
114
115 dev->bus_sprom = &core->bus->sprom;
116
117 dev->core_id = core->id.id;
118 dev->core_rev = core->id.rev;
119
120 return dev;
121}
122#endif /* CONFIG_B43_BCMA */
123
124/* SSB */
125#ifdef CONFIG_B43_SSB
126static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
127{
128 return ssb_bus_may_powerdown(dev->sdev->bus);
129}
130static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
131 bool dynamic_pctl)
132{
133 return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
134}
135static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
136{
137 return ssb_device_is_enabled(dev->sdev);
138}
139static void b43_bus_ssb_device_enable(struct b43_bus_dev *dev,
140 u32 core_specific_flags)
141{
142 ssb_device_enable(dev->sdev, core_specific_flags);
143}
144static void b43_bus_ssb_device_disable(struct b43_bus_dev *dev,
145 u32 core_specific_flags)
146{
147 ssb_device_disable(dev->sdev, core_specific_flags);
148}
149
150static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
151{
152 return ssb_read16(dev->sdev, offset);
153}
154static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
155{
156 return ssb_read32(dev->sdev, offset);
157}
158static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
159{
160 ssb_write16(dev->sdev, offset, value);
161}
162static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
163{
164 ssb_write32(dev->sdev, offset, value);
165}
166static void b43_bus_ssb_block_read(struct b43_bus_dev *dev, void *buffer,
167 size_t count, u16 offset, u8 reg_width)
168{
169 ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
170}
171static
172void b43_bus_ssb_block_write(struct b43_bus_dev *dev, const void *buffer,
173 size_t count, u16 offset, u8 reg_width)
174{
175 ssb_block_write(dev->sdev, buffer, count, offset, reg_width);
176}
177
178struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
179{
180 struct b43_bus_dev *dev;
181
182 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
183 if (!dev)
184 return NULL;
185
186 dev->bus_type = B43_BUS_SSB;
187 dev->sdev = sdev;
188
189 dev->bus_may_powerdown = b43_bus_ssb_bus_may_powerdown;
190 dev->bus_powerup = b43_bus_ssb_bus_powerup;
191 dev->device_is_enabled = b43_bus_ssb_device_is_enabled;
192 dev->device_enable = b43_bus_ssb_device_enable;
193 dev->device_disable = b43_bus_ssb_device_disable;
194
195 dev->read16 = b43_bus_ssb_read16;
196 dev->read32 = b43_bus_ssb_read32;
197 dev->write16 = b43_bus_ssb_write16;
198 dev->write32 = b43_bus_ssb_write32;
199 dev->block_read = b43_bus_ssb_block_read;
200 dev->block_write = b43_bus_ssb_block_write;
201
202 dev->dev = sdev->dev;
203 dev->dma_dev = sdev->dma_dev;
204 dev->irq = sdev->irq;
205
206 dev->board_vendor = sdev->bus->boardinfo.vendor;
207 dev->board_type = sdev->bus->boardinfo.type;
208 dev->board_rev = sdev->bus->sprom.board_rev;
209
210 dev->chip_id = sdev->bus->chip_id;
211 dev->chip_rev = sdev->bus->chip_rev;
212 dev->chip_pkg = sdev->bus->chip_package;
213
214 dev->bus_sprom = &sdev->bus->sprom;
215
216 dev->core_id = sdev->id.coreid;
217 dev->core_rev = sdev->id.revision;
218
219 return dev;
220}
221#endif /* CONFIG_B43_SSB */
222
223void *b43_bus_get_wldev(struct b43_bus_dev *dev)
224{
225 switch (dev->bus_type) {
226#ifdef CONFIG_B43_BCMA
227 case B43_BUS_BCMA:
228 return bcma_get_drvdata(dev->bdev);
229#endif
230#ifdef CONFIG_B43_SSB
231 case B43_BUS_SSB:
232 return ssb_get_drvdata(dev->sdev);
233#endif
234 }
235 return NULL;
236}
237
238void b43_bus_set_wldev(struct b43_bus_dev *dev, void *wldev)
239{
240 switch (dev->bus_type) {
241#ifdef CONFIG_B43_BCMA
242 case B43_BUS_BCMA:
243 bcma_set_drvdata(dev->bdev, wldev);
244 break;
245#endif
246#ifdef CONFIG_B43_SSB
247 case B43_BUS_SSB:
248 ssb_set_drvdata(dev->sdev, wldev);
249 break;
250#endif
251 }
252}
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#ifdef CONFIG_BCM47XX_BCMA
26#include <asm/mach-bcm47xx/bcm47xx.h>
27#endif
28
29#include "b43.h"
30#include "bus.h"
31
32/* BCMA */
33#ifdef CONFIG_B43_BCMA
34static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
35{
36 return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
37}
38static int b43_bus_bcma_bus_powerup(struct b43_bus_dev *dev,
39 bool dynamic_pctl)
40{
41 return 0; /* bcma_bus_powerup(dev->sdev->bus, dynamic_pctl); */
42}
43static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
44{
45 return bcma_core_is_enabled(dev->bdev);
46}
47static void b43_bus_bcma_device_enable(struct b43_bus_dev *dev,
48 u32 core_specific_flags)
49{
50 bcma_core_enable(dev->bdev, core_specific_flags);
51}
52static void b43_bus_bcma_device_disable(struct b43_bus_dev *dev,
53 u32 core_specific_flags)
54{
55 bcma_core_disable(dev->bdev, core_specific_flags);
56}
57static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
58{
59 return bcma_read16(dev->bdev, offset);
60}
61static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
62{
63 return bcma_read32(dev->bdev, offset);
64}
65static
66void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
67{
68 bcma_write16(dev->bdev, offset, value);
69}
70static
71void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
72{
73 bcma_write32(dev->bdev, offset, value);
74}
75static
76void b43_bus_bcma_block_read(struct b43_bus_dev *dev, void *buffer,
77 size_t count, u16 offset, u8 reg_width)
78{
79 bcma_block_read(dev->bdev, buffer, count, offset, reg_width);
80}
81static
82void b43_bus_bcma_block_write(struct b43_bus_dev *dev, const void *buffer,
83 size_t count, u16 offset, u8 reg_width)
84{
85 bcma_block_write(dev->bdev, buffer, count, offset, reg_width);
86}
87
88struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core)
89{
90 struct b43_bus_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
91 if (!dev)
92 return NULL;
93
94 dev->bus_type = B43_BUS_BCMA;
95 dev->bdev = core;
96
97 dev->bus_may_powerdown = b43_bus_bcma_bus_may_powerdown;
98 dev->bus_powerup = b43_bus_bcma_bus_powerup;
99 dev->device_is_enabled = b43_bus_bcma_device_is_enabled;
100 dev->device_enable = b43_bus_bcma_device_enable;
101 dev->device_disable = b43_bus_bcma_device_disable;
102
103 dev->read16 = b43_bus_bcma_read16;
104 dev->read32 = b43_bus_bcma_read32;
105 dev->write16 = b43_bus_bcma_write16;
106 dev->write32 = b43_bus_bcma_write32;
107 dev->block_read = b43_bus_bcma_block_read;
108 dev->block_write = b43_bus_bcma_block_write;
109#ifdef CONFIG_BCM47XX_BCMA
110 if (b43_bus_host_is_pci(dev) &&
111 bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA &&
112 bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4716)
113 dev->flush_writes = true;
114#endif
115
116 dev->dev = &core->dev;
117 dev->dma_dev = core->dma_dev;
118 dev->irq = core->irq;
119
120 dev->board_vendor = core->bus->boardinfo.vendor;
121 dev->board_type = core->bus->boardinfo.type;
122 dev->board_rev = core->bus->sprom.board_rev;
123
124 dev->chip_id = core->bus->chipinfo.id;
125 dev->chip_rev = core->bus->chipinfo.rev;
126 dev->chip_pkg = core->bus->chipinfo.pkg;
127
128 dev->bus_sprom = &core->bus->sprom;
129
130 dev->core_id = core->id.id;
131 dev->core_rev = core->id.rev;
132
133 return dev;
134}
135#endif /* CONFIG_B43_BCMA */
136
137/* SSB */
138#ifdef CONFIG_B43_SSB
139static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
140{
141 return ssb_bus_may_powerdown(dev->sdev->bus);
142}
143static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
144 bool dynamic_pctl)
145{
146 return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
147}
148static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
149{
150 return ssb_device_is_enabled(dev->sdev);
151}
152static void b43_bus_ssb_device_enable(struct b43_bus_dev *dev,
153 u32 core_specific_flags)
154{
155 ssb_device_enable(dev->sdev, core_specific_flags);
156}
157static void b43_bus_ssb_device_disable(struct b43_bus_dev *dev,
158 u32 core_specific_flags)
159{
160 ssb_device_disable(dev->sdev, core_specific_flags);
161}
162
163static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
164{
165 return ssb_read16(dev->sdev, offset);
166}
167static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
168{
169 return ssb_read32(dev->sdev, offset);
170}
171static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
172{
173 ssb_write16(dev->sdev, offset, value);
174}
175static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
176{
177 ssb_write32(dev->sdev, offset, value);
178}
179static void b43_bus_ssb_block_read(struct b43_bus_dev *dev, void *buffer,
180 size_t count, u16 offset, u8 reg_width)
181{
182 ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
183}
184static
185void b43_bus_ssb_block_write(struct b43_bus_dev *dev, const void *buffer,
186 size_t count, u16 offset, u8 reg_width)
187{
188 ssb_block_write(dev->sdev, buffer, count, offset, reg_width);
189}
190
191struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
192{
193 struct b43_bus_dev *dev;
194
195 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
196 if (!dev)
197 return NULL;
198
199 dev->bus_type = B43_BUS_SSB;
200 dev->sdev = sdev;
201
202 dev->bus_may_powerdown = b43_bus_ssb_bus_may_powerdown;
203 dev->bus_powerup = b43_bus_ssb_bus_powerup;
204 dev->device_is_enabled = b43_bus_ssb_device_is_enabled;
205 dev->device_enable = b43_bus_ssb_device_enable;
206 dev->device_disable = b43_bus_ssb_device_disable;
207
208 dev->read16 = b43_bus_ssb_read16;
209 dev->read32 = b43_bus_ssb_read32;
210 dev->write16 = b43_bus_ssb_write16;
211 dev->write32 = b43_bus_ssb_write32;
212 dev->block_read = b43_bus_ssb_block_read;
213 dev->block_write = b43_bus_ssb_block_write;
214
215 dev->dev = sdev->dev;
216 dev->dma_dev = sdev->dma_dev;
217 dev->irq = sdev->irq;
218
219 dev->board_vendor = sdev->bus->boardinfo.vendor;
220 dev->board_type = sdev->bus->boardinfo.type;
221 dev->board_rev = sdev->bus->sprom.board_rev;
222
223 dev->chip_id = sdev->bus->chip_id;
224 dev->chip_rev = sdev->bus->chip_rev;
225 dev->chip_pkg = sdev->bus->chip_package;
226
227 dev->bus_sprom = &sdev->bus->sprom;
228
229 dev->core_id = sdev->id.coreid;
230 dev->core_rev = sdev->id.revision;
231
232 return dev;
233}
234#endif /* CONFIG_B43_SSB */
235
236void *b43_bus_get_wldev(struct b43_bus_dev *dev)
237{
238 switch (dev->bus_type) {
239#ifdef CONFIG_B43_BCMA
240 case B43_BUS_BCMA:
241 return bcma_get_drvdata(dev->bdev);
242#endif
243#ifdef CONFIG_B43_SSB
244 case B43_BUS_SSB:
245 return ssb_get_drvdata(dev->sdev);
246#endif
247 }
248 return NULL;
249}
250
251void b43_bus_set_wldev(struct b43_bus_dev *dev, void *wldev)
252{
253 switch (dev->bus_type) {
254#ifdef CONFIG_B43_BCMA
255 case B43_BUS_BCMA:
256 bcma_set_drvdata(dev->bdev, wldev);
257 break;
258#endif
259#ifdef CONFIG_B43_SSB
260 case B43_BUS_SSB:
261 ssb_set_drvdata(dev->sdev, wldev);
262 break;
263#endif
264 }
265}