[deliverable/linux.git] / drivers / net / wireless / b43 / bus.c

/*

  Broadcom B43 wireless driver
  Bus abstraction layer

  Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; see the file COPYING.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  Boston, MA 02110-1301, USA.

*/

#include "b43.h"
#include "bus.h"

/* BCMA */
#ifdef CONFIG_B43_BCMA
static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
{
	return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
}
static int b43_bus_bcma_bus_powerup(struct b43_bus_dev *dev,
					  bool dynamic_pctl)
{
	return 0; /* bcma_bus_powerup(dev->sdev->bus, dynamic_pctl); */
}
static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
{
	return bcma_core_is_enabled(dev->bdev);
}
static void b43_bus_bcma_device_enable(struct b43_bus_dev *dev,
					     u32 core_specific_flags)
{
	bcma_core_enable(dev->bdev, core_specific_flags);
}
static void b43_bus_bcma_device_disable(struct b43_bus_dev *dev,
					      u32 core_specific_flags)
{
	bcma_core_disable(dev->bdev, core_specific_flags);
}
static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
{
	return bcma_read16(dev->bdev, offset);
}
static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
{
	return bcma_read32(dev->bdev, offset);
}
static
void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
{
	bcma_write16(dev->bdev, offset, value);
}
static
void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
{
	bcma_write32(dev->bdev, offset, value);
}
static
void b43_bus_bcma_block_read(struct b43_bus_dev *dev, void *buffer,
			     size_t count, u16 offset, u8 reg_width)
{
	bcma_block_read(dev->bdev, buffer, count, offset, reg_width);
}
static
void b43_bus_bcma_block_write(struct b43_bus_dev *dev, const void *buffer,
			      size_t count, u16 offset, u8 reg_width)
{
	bcma_block_write(dev->bdev, buffer, count, offset, reg_width);
}

struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core)
{
	struct b43_bus_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev)
		return NULL;

	dev->bus_type = B43_BUS_BCMA;
	dev->bdev = core;

	dev->bus_may_powerdown = b43_bus_bcma_bus_may_powerdown;
	dev->bus_powerup = b43_bus_bcma_bus_powerup;
	dev->device_is_enabled = b43_bus_bcma_device_is_enabled;
	dev->device_enable = b43_bus_bcma_device_enable;
	dev->device_disable = b43_bus_bcma_device_disable;

	dev->read16 = b43_bus_bcma_read16;
	dev->read32 = b43_bus_bcma_read32;
	dev->write16 = b43_bus_bcma_write16;
	dev->write32 = b43_bus_bcma_write32;
	dev->block_read = b43_bus_bcma_block_read;
	dev->block_write = b43_bus_bcma_block_write;

	dev->dev = &core->dev;
	dev->dma_dev = core->dma_dev;
	dev->irq = core->irq;

	dev->board_vendor = core->bus->boardinfo.vendor;
	dev->board_type = core->bus->boardinfo.type;
	dev->board_rev = core->bus->sprom.board_rev;

	dev->chip_id = core->bus->chipinfo.id;
	dev->chip_rev = core->bus->chipinfo.rev;
	dev->chip_pkg = core->bus->chipinfo.pkg;

	dev->bus_sprom = &core->bus->sprom;

	dev->core_id = core->id.id;
	dev->core_rev = core->id.rev;

	return dev;
}
#endif /* CONFIG_B43_BCMA */

/* SSB */
#ifdef CONFIG_B43_SSB
static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
{
	return ssb_bus_may_powerdown(dev->sdev->bus);
}
static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
					  bool dynamic_pctl)
{
	return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
}
static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
{
	return ssb_device_is_enabled(dev->sdev);
}
static void b43_bus_ssb_device_enable(struct b43_bus_dev *dev,
					     u32 core_specific_flags)
{
	ssb_device_enable(dev->sdev, core_specific_flags);
}
static void b43_bus_ssb_device_disable(struct b43_bus_dev *dev,
					      u32 core_specific_flags)
{
	ssb_device_disable(dev->sdev, core_specific_flags);
}

static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
{
	return ssb_read16(dev->sdev, offset);
}
static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
{
	return ssb_read32(dev->sdev, offset);
}
static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
{
	ssb_write16(dev->sdev, offset, value);
}
static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
{
	ssb_write32(dev->sdev, offset, value);
}
static void b43_bus_ssb_block_read(struct b43_bus_dev *dev, void *buffer,
				   size_t count, u16 offset, u8 reg_width)
{
	ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
}
static
void b43_bus_ssb_block_write(struct b43_bus_dev *dev, const void *buffer,
			     size_t count, u16 offset, u8 reg_width)
{
	ssb_block_write(dev->sdev, buffer, count, offset, reg_width);
}

struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
{
	struct b43_bus_dev *dev;

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev)
		return NULL;

	dev->bus_type = B43_BUS_SSB;
	dev->sdev = sdev;

	dev->bus_may_powerdown = b43_bus_ssb_bus_may_powerdown;
	dev->bus_powerup = b43_bus_ssb_bus_powerup;
	dev->device_is_enabled = b43_bus_ssb_device_is_enabled;
	dev->device_enable = b43_bus_ssb_device_enable;
	dev->device_disable = b43_bus_ssb_device_disable;

	dev->read16 = b43_bus_ssb_read16;
	dev->read32 = b43_bus_ssb_read32;
	dev->write16 = b43_bus_ssb_write16;
	dev->write32 = b43_bus_ssb_write32;
	dev->block_read = b43_bus_ssb_block_read;
	dev->block_write = b43_bus_ssb_block_write;

	dev->dev = sdev->dev;
	dev->dma_dev = sdev->dma_dev;
	dev->irq = sdev->irq;

	dev->board_vendor = sdev->bus->boardinfo.vendor;
	dev->board_type = sdev->bus->boardinfo.type;
	dev->board_rev = sdev->bus->sprom.board_rev;

	dev->chip_id = sdev->bus->chip_id;
	dev->chip_rev = sdev->bus->chip_rev;
	dev->chip_pkg = sdev->bus->chip_package;

	dev->bus_sprom = &sdev->bus->sprom;

	dev->core_id = sdev->id.coreid;
	dev->core_rev = sdev->id.revision;

	return dev;
}
#endif /* CONFIG_B43_SSB */

void *b43_bus_get_wldev(struct b43_bus_dev *dev)
{
	switch (dev->bus_type) {
#ifdef CONFIG_B43_BCMA
	case B43_BUS_BCMA:
		return bcma_get_drvdata(dev->bdev);
#endif
#ifdef CONFIG_B43_SSB
	case B43_BUS_SSB:
		return ssb_get_drvdata(dev->sdev);
#endif
	}
	return NULL;
}

void b43_bus_set_wldev(struct b43_bus_dev *dev, void *wldev)
{
	switch (dev->bus_type) {
#ifdef CONFIG_B43_BCMA
	case B43_BUS_BCMA:
		bcma_set_drvdata(dev->bdev, wldev);
		break;
#endif
#ifdef CONFIG_B43_SSB
	case B43_BUS_SSB:
		ssb_set_drvdata(dev->sdev, wldev);
		break;
#endif
	}
}
Commit	Line	Data
482f0538 RM	1	/*
	2
	3	Broadcom B43 wireless driver
	4	Bus abstraction layer
	5
108f4f3c RM	6	Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
108f4f3c RM	7
482f0538 RM	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
397915c3 RM	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
397915c3 RM	110	dev->board_vendor = core->bus->boardinfo.vendor;
397915c3 RM	111	dev->board_type = core->bus->boardinfo.type;
0a2fcaa7	112	dev->board_rev = core->bus->sprom.board_rev;
397915c3 RM	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 */
482f0538 RM	126
482f0538 RM	127	/* SSB */
aec7ffdf	128	#ifdef CONFIG_B43_SSB
0901edb7	129	static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
24ca39d6 RM	130	{
	131	return ssb_bus_may_powerdown(dev->sdev->bus);
	132	}
0901edb7	133	static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
24ca39d6 RM	134	bool dynamic_pctl)
	135	{
	136	return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
	137	}
0901edb7	138	static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
24ca39d6 RM	139	{
	140	return ssb_device_is_enabled(dev->sdev);
	141	}
0901edb7	142	static void b43_bus_ssb_device_enable(struct b43_bus_dev *dev,
24ca39d6 RM	143	u32 core_specific_flags)
	144	{
	145	ssb_device_enable(dev->sdev, core_specific_flags);
	146	}
0901edb7	147	static void b43_bus_ssb_device_disable(struct b43_bus_dev *dev,
24ca39d6 RM	148	u32 core_specific_flags)
	149	{
	150	ssb_device_disable(dev->sdev, core_specific_flags);
	151	}
	152
0901edb7	153	static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
c0b4c009 RM	154	{
	155	return ssb_read16(dev->sdev, offset);
	156	}
0901edb7	157	static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
c0b4c009 RM	158	{
	159	return ssb_read32(dev->sdev, offset);
	160	}
0901edb7	161	static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
c0b4c009 RM	162	{
	163	ssb_write16(dev->sdev, offset, value);
	164	}
0901edb7	165	static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
c0b4c009 RM	166	{
	167	ssb_write32(dev->sdev, offset, value);
	168	}
0901edb7 RM	169	static void b43_bus_ssb_block_read(struct b43_bus_dev dev, void buffer,
0901edb7 RM	170	size_t count, u16 offset, u8 reg_width)
c0b4c009 RM	171	{
	172	ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
	173	}
0901edb7	174	static
c0b4c009 RM	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
482f0538 RM	181	struct b43_bus_dev b43_bus_dev_ssb_init(struct ssb_device sdev)
482f0538 RM	182	{
5b49b35a DC	183	struct b43_bus_dev *dev;
	184
	185	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	186	if (!dev)
	187	return NULL;
482f0538 RM	188
	189	dev->bus_type = B43_BUS_SSB;
	190	dev->sdev = sdev;
	191
24ca39d6 RM	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
c0b4c009 RM	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
a18c715e RM	205	dev->dev = sdev->dev;
	206	dev->dma_dev = sdev->dma_dev;
	207	dev->irq = sdev->irq;
	208
79d2232f RM	209	dev->board_vendor = sdev->bus->boardinfo.vendor;
79d2232f RM	210	dev->board_type = sdev->bus->boardinfo.type;
5a20ef3d	211	dev->board_rev = sdev->bus->sprom.board_rev;
79d2232f	212
c244e08c RM	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
0581483a RM	217	dev->bus_sprom = &sdev->bus->sprom;
0581483a RM	218
21d889d4 RM	219	dev->core_id = sdev->id.coreid;
	220	dev->core_rev = sdev->id.revision;
	221
482f0538 RM	222	return dev;
482f0538 RM	223	}
aec7ffdf	224	#endif /* CONFIG_B43_SSB */
74abacb6 RM	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);
f76f4243	247	break;
74abacb6 RM	248	#endif
	249	#ifdef CONFIG_B43_SSB
	250	case B43_BUS_SSB:
	251	ssb_set_drvdata(dev->sdev, wldev);
f76f4243	252	break;
74abacb6 RM	253	#endif
	254	}
	255	}