[linux-2.6-block.git] / drivers / bcma / host_pci.c

/*
 * Broadcom specific AMBA
 * PCI Host
 *
 * Licensed under the GNU/GPL. See COPYING for details.
 */

#include "bcma_private.h"
#include <linux/slab.h>
#include <linux/bcma/bcma.h>
#include <linux/pci.h>
#include <linux/module.h>

static void bcma_host_pci_switch_core(struct bcma_device *core)
{
	int win2 = core->bus->host_is_pcie2 ?
		BCMA_PCIE2_BAR0_WIN2 : BCMA_PCI_BAR0_WIN2;

	pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN,
			       core->addr);
	pci_write_config_dword(core->bus->host_pci, win2, core->wrap);
	core->bus->mapped_core = core;
	bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id);
}

/* Provides access to the requested core. Returns base offset that has to be
 * used. It makes use of fixed windows when possible. */
static u16 bcma_host_pci_provide_access_to_core(struct bcma_device *core)
{
	switch (core->id.id) {
	case BCMA_CORE_CHIPCOMMON:
		return 3 * BCMA_CORE_SIZE;
	case BCMA_CORE_PCIE:
		return 2 * BCMA_CORE_SIZE;
	}

	if (core->bus->mapped_core != core)
		bcma_host_pci_switch_core(core);
	return 0;
}

static u8 bcma_host_pci_read8(struct bcma_device *core, u16 offset)
{
	offset += bcma_host_pci_provide_access_to_core(core);
	return ioread8(core->bus->mmio + offset);
}

static u16 bcma_host_pci_read16(struct bcma_device *core, u16 offset)
{
	offset += bcma_host_pci_provide_access_to_core(core);
	return ioread16(core->bus->mmio + offset);
}

static u32 bcma_host_pci_read32(struct bcma_device *core, u16 offset)
{
	offset += bcma_host_pci_provide_access_to_core(core);
	return ioread32(core->bus->mmio + offset);
}

static void bcma_host_pci_write8(struct bcma_device *core, u16 offset,
				 u8 value)
{
	offset += bcma_host_pci_provide_access_to_core(core);
	iowrite8(value, core->bus->mmio + offset);
}

static void bcma_host_pci_write16(struct bcma_device *core, u16 offset,
				 u16 value)
{
	offset += bcma_host_pci_provide_access_to_core(core);
	iowrite16(value, core->bus->mmio + offset);
}

static void bcma_host_pci_write32(struct bcma_device *core, u16 offset,
				 u32 value)
{
	offset += bcma_host_pci_provide_access_to_core(core);
	iowrite32(value, core->bus->mmio + offset);
}

#ifdef CONFIG_BCMA_BLOCKIO
static void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
				     size_t count, u16 offset, u8 reg_width)
{
	void __iomem *addr = core->bus->mmio + offset;
	if (core->bus->mapped_core != core)
		bcma_host_pci_switch_core(core);
	switch (reg_width) {
	case sizeof(u8):
		ioread8_rep(addr, buffer, count);
		break;
	case sizeof(u16):
		WARN_ON(count & 1);
		ioread16_rep(addr, buffer, count >> 1);
		break;
	case sizeof(u32):
		WARN_ON(count & 3);
		ioread32_rep(addr, buffer, count >> 2);
		break;
	default:
		WARN_ON(1);
	}
}

static void bcma_host_pci_block_write(struct bcma_device *core,
				      const void *buffer, size_t count,
				      u16 offset, u8 reg_width)
{
	void __iomem *addr = core->bus->mmio + offset;
	if (core->bus->mapped_core != core)
		bcma_host_pci_switch_core(core);
	switch (reg_width) {
	case sizeof(u8):
		iowrite8_rep(addr, buffer, count);
		break;
	case sizeof(u16):
		WARN_ON(count & 1);
		iowrite16_rep(addr, buffer, count >> 1);
		break;
	case sizeof(u32):
		WARN_ON(count & 3);
		iowrite32_rep(addr, buffer, count >> 2);
		break;
	default:
		WARN_ON(1);
	}
}
#endif

static u32 bcma_host_pci_aread32(struct bcma_device *core, u16 offset)
{
	if (core->bus->mapped_core != core)
		bcma_host_pci_switch_core(core);
	return ioread32(core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
}

static void bcma_host_pci_awrite32(struct bcma_device *core, u16 offset,
				  u32 value)
{
	if (core->bus->mapped_core != core)
		bcma_host_pci_switch_core(core);
	iowrite32(value, core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
}

static const struct bcma_host_ops bcma_host_pci_ops = {
	.read8		= bcma_host_pci_read8,
	.read16		= bcma_host_pci_read16,
	.read32		= bcma_host_pci_read32,
	.write8		= bcma_host_pci_write8,
	.write16	= bcma_host_pci_write16,
	.write32	= bcma_host_pci_write32,
#ifdef CONFIG_BCMA_BLOCKIO
	.block_read	= bcma_host_pci_block_read,
	.block_write	= bcma_host_pci_block_write,
#endif
	.aread32	= bcma_host_pci_aread32,
	.awrite32	= bcma_host_pci_awrite32,
};

static int bcma_host_pci_probe(struct pci_dev *dev,
			       const struct pci_device_id *id)
{
	struct bcma_bus *bus;
	int err = -ENOMEM;
	const char *name;
	u32 val;

	/* Alloc */
	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
	if (!bus)
		goto out;

	/* Basic PCI configuration */
	err = pci_enable_device(dev);
	if (err)
		goto err_kfree_bus;

	name = dev_name(&dev->dev);
	if (dev->driver && dev->driver->name)
		name = dev->driver->name;
	err = pci_request_regions(dev, name);
	if (err)
		goto err_pci_disable;
	pci_set_master(dev);

	/* Disable the RETRY_TIMEOUT register (0x41) to keep
	 * PCI Tx retries from interfering with C3 CPU state */
	pci_read_config_dword(dev, 0x40, &val);
	if ((val & 0x0000ff00) != 0)
		pci_write_config_dword(dev, 0x40, val & 0xffff00ff);

	/* SSB needed additional powering up, do we have any AMBA PCI cards? */
	if (!pci_is_pcie(dev)) {
		bcma_err(bus, "PCI card detected, they are not supported.\n");
		err = -ENXIO;
		goto err_pci_release_regions;
	}

	/* Map MMIO */
	err = -ENOMEM;
	bus->mmio = pci_iomap(dev, 0, ~0UL);
	if (!bus->mmio)
		goto err_pci_release_regions;

	/* Host specific */
	bus->host_pci = dev;
	bus->hosttype = BCMA_HOSTTYPE_PCI;
	bus->ops = &bcma_host_pci_ops;

	bus->boardinfo.vendor = bus->host_pci->subsystem_vendor;
	bus->boardinfo.type = bus->host_pci->subsystem_device;

	/* Initialize struct, detect chip */
	bcma_init_bus(bus);

	/* Scan bus to find out generation of PCIe core */
	err = bcma_bus_scan(bus);
	if (err)
		goto err_pci_unmap_mmio;

	if (bcma_find_core(bus, BCMA_CORE_PCIE2))
		bus->host_is_pcie2 = true;

	/* Register */
	err = bcma_bus_register(bus);
	if (err)
		goto err_unregister_cores;

	pci_set_drvdata(dev, bus);

out:
	return err;

err_unregister_cores:
	bcma_unregister_cores(bus);
err_pci_unmap_mmio:
	pci_iounmap(dev, bus->mmio);
err_pci_release_regions:
	pci_release_regions(dev);
err_pci_disable:
	pci_disable_device(dev);
err_kfree_bus:
	kfree(bus);
	return err;
}

static void bcma_host_pci_remove(struct pci_dev *dev)
{
	struct bcma_bus *bus = pci_get_drvdata(dev);

	bcma_bus_unregister(bus);
	pci_iounmap(dev, bus->mmio);
	pci_release_regions(dev);
	pci_disable_device(dev);
	kfree(bus);
}

#ifdef CONFIG_PM_SLEEP
static int bcma_host_pci_suspend(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct bcma_bus *bus = pci_get_drvdata(pdev);

	bus->mapped_core = NULL;

	return bcma_bus_suspend(bus);
}

static int bcma_host_pci_resume(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct bcma_bus *bus = pci_get_drvdata(pdev);

	return bcma_bus_resume(bus);
}

static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend,
			 bcma_host_pci_resume);
#define BCMA_PM_OPS	(&bcma_pm_ops)

#else /* CONFIG_PM_SLEEP */

#define BCMA_PM_OPS     NULL

#endif /* CONFIG_PM_SLEEP */

static const struct pci_device_id bcma_pci_bridge_tbl[] = {
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },	/* 0xa8d8 */
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) },
	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_DELL, 0x0016) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) },	/* 0xa8db, BCM43217 (sic!) */
	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) },	/* 0xa8dc */
	{ 0, },
};
MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);

static struct pci_driver bcma_pci_bridge_driver = {
	.name = "bcma-pci-bridge",
	.id_table = bcma_pci_bridge_tbl,
	.probe = bcma_host_pci_probe,
	.remove = bcma_host_pci_remove,
	.driver.pm = BCMA_PM_OPS,
};

int __init bcma_host_pci_init(void)
{
	return pci_register_driver(&bcma_pci_bridge_driver);
}

void __exit bcma_host_pci_exit(void)
{
	pci_unregister_driver(&bcma_pci_bridge_driver);
}

/**************************************************
 * Runtime ops for drivers.
 **************************************************/

/* See also pcicore_up */
void bcma_host_pci_up(struct bcma_bus *bus)
{
	if (bus->hosttype != BCMA_HOSTTYPE_PCI)
		return;

	if (bus->host_is_pcie2)
		bcma_core_pcie2_up(&bus->drv_pcie2);
	else
		bcma_core_pci_up(&bus->drv_pci[0]);
}
EXPORT_SYMBOL_GPL(bcma_host_pci_up);

/* See also pcicore_down */
void bcma_host_pci_down(struct bcma_bus *bus)
{
	if (bus->hosttype != BCMA_HOSTTYPE_PCI)
		return;

	if (!bus->host_is_pcie2)
		bcma_core_pci_down(&bus->drv_pci[0]);
}
EXPORT_SYMBOL_GPL(bcma_host_pci_down);

/* See also si_pci_setup */
int bcma_host_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
			  bool enable)
{
	struct pci_dev *pdev;
	u32 coremask, tmp;
	int err = 0;

	if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
		/* This bcma device is not on a PCI host-bus. So the IRQs are
		 * not routed through the PCI core.
		 * So we must not enable routing through the PCI core. */
		goto out;
	}

	pdev = bus->host_pci;

	err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
	if (err)
		goto out;

	coremask = BIT(core->core_index) << 8;
	if (enable)
		tmp |= coremask;
	else
		tmp &= ~coremask;

	err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);

out:
	return err;
}
EXPORT_SYMBOL_GPL(bcma_host_pci_irq_ctl);
Commit	Line	Data
8369ae33 RM	1	/*
	2	* Broadcom specific AMBA
	3	* PCI Host
	4	*
	5	* Licensed under the GNU/GPL. See COPYING for details.
	6	*/
	7
	8	#include "bcma_private.h"
ba7328b2	9	#include <linux/slab.h>
8369ae33 RM	10	#include <linux/bcma/bcma.h>
8369ae33 RM	11	#include <linux/pci.h>
200351c7	12	#include <linux/module.h>
8369ae33 RM	13
	14	static void bcma_host_pci_switch_core(struct bcma_device *core)
	15	{
8be08a39 RM	16	int win2 = core->bus->host_is_pcie2 ?
	17	BCMA_PCIE2_BAR0_WIN2 : BCMA_PCI_BAR0_WIN2;
	18
8369ae33 RM	19	pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN,
8369ae33 RM	20	core->addr);
8be08a39	21	pci_write_config_dword(core->bus->host_pci, win2, core->wrap);
8369ae33	22	core->bus->mapped_core = core;
3d9d8af3	23	bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id);
8369ae33 RM	24	}
8369ae33 RM	25
439678f8 RM	26	/* Provides access to the requested core. Returns base offset that has to be
	27	* used. It makes use of fixed windows when possible. */
	28	static u16 bcma_host_pci_provide_access_to_core(struct bcma_device *core)
8369ae33	29	{
439678f8 RM	30	switch (core->id.id) {
	31	case BCMA_CORE_CHIPCOMMON:
	32	return 3 * BCMA_CORE_SIZE;
	33	case BCMA_CORE_PCIE:
	34	return 2 * BCMA_CORE_SIZE;
	35	}
	36
8369ae33 RM	37	if (core->bus->mapped_core != core)
8369ae33 RM	38	bcma_host_pci_switch_core(core);
439678f8 RM	39	return 0;
	40	}
	41
	42	static u8 bcma_host_pci_read8(struct bcma_device *core, u16 offset)
	43	{
	44	offset += bcma_host_pci_provide_access_to_core(core);
8369ae33 RM	45	return ioread8(core->bus->mmio + offset);
	46	}
	47
	48	static u16 bcma_host_pci_read16(struct bcma_device *core, u16 offset)
	49	{
439678f8	50	offset += bcma_host_pci_provide_access_to_core(core);
8369ae33 RM	51	return ioread16(core->bus->mmio + offset);
	52	}
	53
	54	static u32 bcma_host_pci_read32(struct bcma_device *core, u16 offset)
	55	{
439678f8	56	offset += bcma_host_pci_provide_access_to_core(core);
8369ae33 RM	57	return ioread32(core->bus->mmio + offset);
	58	}
	59
	60	static void bcma_host_pci_write8(struct bcma_device *core, u16 offset,
	61	u8 value)
	62	{
439678f8	63	offset += bcma_host_pci_provide_access_to_core(core);
8369ae33 RM	64	iowrite8(value, core->bus->mmio + offset);
	65	}
	66
	67	static void bcma_host_pci_write16(struct bcma_device *core, u16 offset,
	68	u16 value)
	69	{
439678f8	70	offset += bcma_host_pci_provide_access_to_core(core);
8369ae33 RM	71	iowrite16(value, core->bus->mmio + offset);
	72	}
	73
	74	static void bcma_host_pci_write32(struct bcma_device *core, u16 offset,
	75	u32 value)
	76	{
439678f8	77	offset += bcma_host_pci_provide_access_to_core(core);
8369ae33 RM	78	iowrite32(value, core->bus->mmio + offset);
	79	}
	80
9d75ef0f	81	#ifdef CONFIG_BCMA_BLOCKIO
94f3457f HM	82	static void bcma_host_pci_block_read(struct bcma_device core, void buffer,
94f3457f HM	83	size_t count, u16 offset, u8 reg_width)
9d75ef0f RM	84	{
	85	void __iomem *addr = core->bus->mmio + offset;
	86	if (core->bus->mapped_core != core)
	87	bcma_host_pci_switch_core(core);
	88	switch (reg_width) {
	89	case sizeof(u8):
	90	ioread8_rep(addr, buffer, count);
	91	break;
	92	case sizeof(u16):
	93	WARN_ON(count & 1);
	94	ioread16_rep(addr, buffer, count >> 1);
	95	break;
	96	case sizeof(u32):
	97	WARN_ON(count & 3);
	98	ioread32_rep(addr, buffer, count >> 2);
	99	break;
	100	default:
	101	WARN_ON(1);
	102	}
	103	}
	104
94f3457f HM	105	static void bcma_host_pci_block_write(struct bcma_device *core,
	106	const void *buffer, size_t count,
	107	u16 offset, u8 reg_width)
9d75ef0f RM	108	{
	109	void __iomem *addr = core->bus->mmio + offset;
	110	if (core->bus->mapped_core != core)
	111	bcma_host_pci_switch_core(core);
	112	switch (reg_width) {
	113	case sizeof(u8):
	114	iowrite8_rep(addr, buffer, count);
	115	break;
	116	case sizeof(u16):
	117	WARN_ON(count & 1);
	118	iowrite16_rep(addr, buffer, count >> 1);
	119	break;
	120	case sizeof(u32):
	121	WARN_ON(count & 3);
	122	iowrite32_rep(addr, buffer, count >> 2);
	123	break;
	124	default:
	125	WARN_ON(1);
	126	}
	127	}
	128	#endif
	129
8369ae33 RM	130	static u32 bcma_host_pci_aread32(struct bcma_device *core, u16 offset)
	131	{
	132	if (core->bus->mapped_core != core)
	133	bcma_host_pci_switch_core(core);
	134	return ioread32(core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
	135	}
	136
	137	static void bcma_host_pci_awrite32(struct bcma_device *core, u16 offset,
	138	u32 value)
	139	{
	140	if (core->bus->mapped_core != core)
	141	bcma_host_pci_switch_core(core);
	142	iowrite32(value, core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
	143	}
	144
94f3457f	145	static const struct bcma_host_ops bcma_host_pci_ops = {
8369ae33 RM	146	.read8 = bcma_host_pci_read8,
	147	.read16 = bcma_host_pci_read16,
	148	.read32 = bcma_host_pci_read32,
	149	.write8 = bcma_host_pci_write8,
	150	.write16 = bcma_host_pci_write16,
	151	.write32 = bcma_host_pci_write32,
9d75ef0f RM	152	#ifdef CONFIG_BCMA_BLOCKIO
	153	.block_read = bcma_host_pci_block_read,
	154	.block_write = bcma_host_pci_block_write,
	155	#endif
8369ae33 RM	156	.aread32 = bcma_host_pci_aread32,
	157	.awrite32 = bcma_host_pci_awrite32,
	158	};
	159
0f58a01d GKH	160	static int bcma_host_pci_probe(struct pci_dev *dev,
0f58a01d GKH	161	const struct pci_device_id *id)
8369ae33 RM	162	{
	163	struct bcma_bus *bus;
	164	int err = -ENOMEM;
	165	const char *name;
	166	u32 val;
	167
	168	/* Alloc */
	169	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
	170	if (!bus)
	171	goto out;
	172
	173	/* Basic PCI configuration */
	174	err = pci_enable_device(dev);
	175	if (err)
	176	goto err_kfree_bus;
	177
	178	name = dev_name(&dev->dev);
	179	if (dev->driver && dev->driver->name)
	180	name = dev->driver->name;
	181	err = pci_request_regions(dev, name);
	182	if (err)
	183	goto err_pci_disable;
	184	pci_set_master(dev);
	185
	186	/* Disable the RETRY_TIMEOUT register (0x41) to keep
	187	* PCI Tx retries from interfering with C3 CPU state */
	188	pci_read_config_dword(dev, 0x40, &val);
	189	if ((val & 0x0000ff00) != 0)
	190	pci_write_config_dword(dev, 0x40, val & 0xffff00ff);
	191
	192	/* SSB needed additional powering up, do we have any AMBA PCI cards? */
dfa0415b HM	193	if (!pci_is_pcie(dev)) {
	194	bcma_err(bus, "PCI card detected, they are not supported.\n");
	195	err = -ENXIO;
	196	goto err_pci_release_regions;
	197	}
8369ae33 RM	198
	199	/* Map MMIO */
	200	err = -ENOMEM;
	201	bus->mmio = pci_iomap(dev, 0, ~0UL);
	202	if (!bus->mmio)
	203	goto err_pci_release_regions;
	204
	205	/* Host specific */
	206	bus->host_pci = dev;
	207	bus->hosttype = BCMA_HOSTTYPE_PCI;
	208	bus->ops = &bcma_host_pci_ops;
	209
0a2fcaa7 HM	210	bus->boardinfo.vendor = bus->host_pci->subsystem_vendor;
	211	bus->boardinfo.type = bus->host_pci->subsystem_device;
	212
dc8ecdd3 RM	213	/* Initialize struct, detect chip */
	214	bcma_init_bus(bus);
	215
9b6cc9a8 RM	216	/* Scan bus to find out generation of PCIe core */
	217	err = bcma_bus_scan(bus);
	218	if (err)
	219	goto err_pci_unmap_mmio;
	220
	221	if (bcma_find_core(bus, BCMA_CORE_PCIE2))
	222	bus->host_is_pcie2 = true;
	223
8369ae33 RM	224	/* Register */
	225	err = bcma_bus_register(bus);
	226	if (err)
9b6cc9a8	227	goto err_unregister_cores;
8369ae33 RM	228
	229	pci_set_drvdata(dev, bus);
	230
	231	out:
	232	return err;
	233
9b6cc9a8 RM	234	err_unregister_cores:
9b6cc9a8 RM	235	bcma_unregister_cores(bus);
8369ae33 RM	236	err_pci_unmap_mmio:
	237	pci_iounmap(dev, bus->mmio);
	238	err_pci_release_regions:
	239	pci_release_regions(dev);
	240	err_pci_disable:
	241	pci_disable_device(dev);
	242	err_kfree_bus:
	243	kfree(bus);
	244	return err;
	245	}
	246
0f58a01d	247	static void bcma_host_pci_remove(struct pci_dev *dev)
8369ae33 RM	248	{
	249	struct bcma_bus *bus = pci_get_drvdata(dev);
	250
	251	bcma_bus_unregister(bus);
	252	pci_iounmap(dev, bus->mmio);
	253	pci_release_regions(dev);
	254	pci_disable_device(dev);
	255	kfree(bus);
8369ae33 RM	256	}
8369ae33 RM	257
ccd60953	258	#ifdef CONFIG_PM_SLEEP
5d2031f2	259	static int bcma_host_pci_suspend(struct device *dev)
775ab521	260	{
5d2031f2 LT	261	struct pci_dev *pdev = to_pci_dev(dev);
5d2031f2 LT	262	struct bcma_bus *bus = pci_get_drvdata(pdev);
775ab521	263
28e7d218	264	bus->mapped_core = NULL;
5d2031f2	265
685a4ef0	266	return bcma_bus_suspend(bus);
775ab521 RM	267	}
775ab521 RM	268
5d2031f2	269	static int bcma_host_pci_resume(struct device *dev)
775ab521	270	{
5d2031f2 LT	271	struct pci_dev *pdev = to_pci_dev(dev);
5d2031f2 LT	272	struct bcma_bus *bus = pci_get_drvdata(pdev);
775ab521	273
5d2031f2 LT	274	return bcma_bus_resume(bus);
5d2031f2 LT	275	}
775ab521	276
5d2031f2 LT	277	static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend,
	278	bcma_host_pci_resume);
	279	#define BCMA_PM_OPS (&bcma_pm_ops)
775ab521	280
ccd60953	281	#else /* CONFIG_PM_SLEEP */
5d2031f2 LT	282
	283	#define BCMA_PM_OPS NULL
	284
ccd60953	285	#endif /* CONFIG_PM_SLEEP */
775ab521	286
342a11e1	287	static const struct pci_device_id bcma_pci_bridge_tbl[] = {
9594b56d	288	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
b9f54bd0	289	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
34b6d429	290	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) }, /* 0xa8d8 */
8369ae33 RM	291	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
8369ae33 RM	292	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
91fa4b0a	293	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
646e0827	294	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
c263c2c1	295	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
9b6cc9a8	296	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) },
515b399c	297	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_DELL, 0x0016) },
9b6cc9a8	298	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
d1d3799f	299	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
27cfdb05	300	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
9b6cc9a8	301	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
8369ae33	302	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
34b6d429 RM	303	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */
34b6d429 RM	304	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */
8369ae33 RM	305	{ 0, },
	306	};
	307	MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);
	308
	309	static struct pci_driver bcma_pci_bridge_driver = {
	310	.name = "bcma-pci-bridge",
	311	.id_table = bcma_pci_bridge_tbl,
	312	.probe = bcma_host_pci_probe,
0f58a01d	313	.remove = bcma_host_pci_remove,
5d2031f2	314	.driver.pm = BCMA_PM_OPS,
8369ae33 RM	315	};
	316
	317	int __init bcma_host_pci_init(void)
	318	{
	319	return pci_register_driver(&bcma_pci_bridge_driver);
	320	}
	321
	322	void __exit bcma_host_pci_exit(void)
	323	{
	324	pci_unregister_driver(&bcma_pci_bridge_driver);
	325	}
4186721d RM	326
	327	/**************************************************
	328	* Runtime ops for drivers.
	329	**************************************************/
	330
	331	/* See also pcicore_up */
	332	void bcma_host_pci_up(struct bcma_bus *bus)
	333	{
	334	if (bus->hosttype != BCMA_HOSTTYPE_PCI)
	335	return;
	336
	337	if (bus->host_is_pcie2)
804e27de	338	bcma_core_pcie2_up(&bus->drv_pcie2);
4186721d RM	339	else
	340	bcma_core_pci_up(&bus->drv_pci[0]);
	341	}
	342	EXPORT_SYMBOL_GPL(bcma_host_pci_up);
	343
	344	/* See also pcicore_down */
	345	void bcma_host_pci_down(struct bcma_bus *bus)
	346	{
	347	if (bus->hosttype != BCMA_HOSTTYPE_PCI)
	348	return;
	349
	350	if (!bus->host_is_pcie2)
	351	bcma_core_pci_down(&bus->drv_pci[0]);
	352	}
	353	EXPORT_SYMBOL_GPL(bcma_host_pci_down);
702131e2 RM	354
	355	/* See also si_pci_setup */
	356	int bcma_host_pci_irq_ctl(struct bcma_bus bus, struct bcma_device core,
	357	bool enable)
	358	{
	359	struct pci_dev *pdev;
	360	u32 coremask, tmp;
	361	int err = 0;
	362
	363	if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
	364	/* This bcma device is not on a PCI host-bus. So the IRQs are
	365	* not routed through the PCI core.
	366	* So we must not enable routing through the PCI core. */
	367	goto out;
	368	}
	369
	370	pdev = bus->host_pci;
	371
	372	err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
	373	if (err)
	374	goto out;
	375
	376	coremask = BIT(core->core_index) << 8;
	377	if (enable)
	378	tmp \|= coremask;
	379	else
	380	tmp &= ~coremask;
	381
	382	err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
	383
	384	out:
	385	return err;
	386	}
	387	EXPORT_SYMBOL_GPL(bcma_host_pci_irq_ctl);