[linux-2.6-block.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.

*/

#ifdef CONFIG_BCM47XX_BCMA
#include <asm/mach-bcm47xx/bcm47xx.h>
#endif

#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;
#ifdef CONFIG_BCM47XX_BCMA
	if (b43_bus_host_is_pci(dev) &&
	    bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA &&
	    bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4716)
		dev->flush_writes = true;
#endif

	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
25c15566 RM	25	#ifdef CONFIG_BCM47XX_BCMA
	26	#include <asm/mach-bcm47xx/bcm47xx.h>
	27	#endif
	28
482f0538 RM	29	#include "b43.h"
	30	#include "bus.h"
	31
397915c3 RM	32	/* BCMA */
	33	#ifdef CONFIG_B43_BCMA
	34	static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
	35	{
	36	return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
	37	}
	38	static 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	}
	43	static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
	44	{
	45	return bcma_core_is_enabled(dev->bdev);
	46	}
	47	static 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	}
	52	static 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	}
	57	static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
	58	{
	59	return bcma_read16(dev->bdev, offset);
	60	}
	61	static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
	62	{
	63	return bcma_read32(dev->bdev, offset);
	64	}
	65	static
	66	void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
	67	{
	68	bcma_write16(dev->bdev, offset, value);
	69	}
	70	static
	71	void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
	72	{
	73	bcma_write32(dev->bdev, offset, value);
	74	}
	75	static
	76	void 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	}
	81	static
	82	void 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
	88	struct 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;
25c15566 RM	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
397915c3 RM	115
	116	dev->dev = &core->dev;
	117	dev->dma_dev = core->dma_dev;
	118	dev->irq = core->irq;
	119
397915c3 RM	120	dev->board_vendor = core->bus->boardinfo.vendor;
397915c3 RM	121	dev->board_type = core->bus->boardinfo.type;
0a2fcaa7	122	dev->board_rev = core->bus->sprom.board_rev;
397915c3 RM	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 */
482f0538 RM	136
482f0538 RM	137	/* SSB */
aec7ffdf	138	#ifdef CONFIG_B43_SSB
0901edb7	139	static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
24ca39d6 RM	140	{
	141	return ssb_bus_may_powerdown(dev->sdev->bus);
	142	}
0901edb7	143	static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
24ca39d6 RM	144	bool dynamic_pctl)
	145	{
	146	return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
	147	}
0901edb7	148	static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
24ca39d6 RM	149	{
	150	return ssb_device_is_enabled(dev->sdev);
	151	}
0901edb7	152	static void b43_bus_ssb_device_enable(struct b43_bus_dev *dev,
24ca39d6 RM	153	u32 core_specific_flags)
	154	{
	155	ssb_device_enable(dev->sdev, core_specific_flags);
	156	}
0901edb7	157	static void b43_bus_ssb_device_disable(struct b43_bus_dev *dev,
24ca39d6 RM	158	u32 core_specific_flags)
	159	{
	160	ssb_device_disable(dev->sdev, core_specific_flags);
	161	}
	162
0901edb7	163	static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
c0b4c009 RM	164	{
	165	return ssb_read16(dev->sdev, offset);
	166	}
0901edb7	167	static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
c0b4c009 RM	168	{
	169	return ssb_read32(dev->sdev, offset);
	170	}
0901edb7	171	static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
c0b4c009 RM	172	{
	173	ssb_write16(dev->sdev, offset, value);
	174	}
0901edb7	175	static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
c0b4c009 RM	176	{
	177	ssb_write32(dev->sdev, offset, value);
	178	}
0901edb7 RM	179	static void b43_bus_ssb_block_read(struct b43_bus_dev dev, void buffer,
0901edb7 RM	180	size_t count, u16 offset, u8 reg_width)
c0b4c009 RM	181	{
	182	ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
	183	}
0901edb7	184	static
c0b4c009 RM	185	void 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
482f0538 RM	191	struct b43_bus_dev b43_bus_dev_ssb_init(struct ssb_device sdev)
482f0538 RM	192	{
5b49b35a DC	193	struct b43_bus_dev *dev;
	194
	195	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	196	if (!dev)
	197	return NULL;
482f0538 RM	198
	199	dev->bus_type = B43_BUS_SSB;
	200	dev->sdev = sdev;
	201
24ca39d6 RM	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
c0b4c009 RM	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
a18c715e RM	215	dev->dev = sdev->dev;
	216	dev->dma_dev = sdev->dma_dev;
	217	dev->irq = sdev->irq;
	218
79d2232f RM	219	dev->board_vendor = sdev->bus->boardinfo.vendor;
79d2232f RM	220	dev->board_type = sdev->bus->boardinfo.type;
5a20ef3d	221	dev->board_rev = sdev->bus->sprom.board_rev;
79d2232f	222
c244e08c RM	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
0581483a RM	227	dev->bus_sprom = &sdev->bus->sprom;
0581483a RM	228
21d889d4 RM	229	dev->core_id = sdev->id.coreid;
	230	dev->core_rev = sdev->id.revision;
	231
482f0538 RM	232	return dev;
482f0538 RM	233	}
aec7ffdf	234	#endif /* CONFIG_B43_SSB */
74abacb6 RM	235
	236	void 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
	251	void 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);
f76f4243	257	break;
74abacb6 RM	258	#endif
	259	#ifdef CONFIG_B43_SSB
	260	case B43_BUS_SSB:
	261	ssb_set_drvdata(dev->sdev, wldev);
f76f4243	262	break;
74abacb6 RM	263	#endif
	264	}
	265	}