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
 28static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
 29{
 30	return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
 31}
 32static 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}
 37static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
 38{
 39	return bcma_core_is_enabled(dev->bdev);
 40}
 41static 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}
 46static 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}
 51static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
 52{
 53	return bcma_read16(dev->bdev, offset);
 54}
 55static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
 56{
 57	return bcma_read32(dev->bdev, offset);
 58}
 59static
 60void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
 61{
 62	bcma_write16(dev->bdev, offset, value);
 63}
 64static
 65void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
 66{
 67	bcma_write32(dev->bdev, offset, value);
 68}
 69static
 70void 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}
 75static
 76void 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
 82struct 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
129static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
130{
131	return ssb_bus_may_powerdown(dev->sdev->bus);
132}
133static 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}
138static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
139{
140	return ssb_device_is_enabled(dev->sdev);
141}
142static 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}
147static 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
153static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
154{
155	return ssb_read16(dev->sdev, offset);
156}
157static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
158{
159	return ssb_read32(dev->sdev, offset);
160}
161static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
162{
163	ssb_write16(dev->sdev, offset, value);
164}
165static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
166{
167	ssb_write32(dev->sdev, offset, value);
168}
169static 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}
174static
175void 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
181struct 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
226void *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
241void 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}