[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / bcma / main.c

/*
 * Broadcom specific AMBA
 * Bus subsystem
 *
 * Licensed under the GNU/GPL. See COPYING for details.
 */

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

MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
MODULE_LICENSE("GPL");

/* contains the number the next bus should get. */
static unsigned int bcma_bus_next_num = 0;

/* bcma_buses_mutex locks the bcma_bus_next_num */
static DEFINE_MUTEX(bcma_buses_mutex);

static int bcma_bus_match(struct device *dev, struct device_driver *drv);
static int bcma_device_probe(struct device *dev);
static int bcma_device_remove(struct device *dev);
static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env);

static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	return sprintf(buf, "0x%03X\n", core->id.manuf);
}
static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	return sprintf(buf, "0x%03X\n", core->id.id);
}
static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	return sprintf(buf, "0x%02X\n", core->id.rev);
}
static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	return sprintf(buf, "0x%X\n", core->id.class);
}
static struct device_attribute bcma_device_attrs[] = {
	__ATTR_RO(manuf),
	__ATTR_RO(id),
	__ATTR_RO(rev),
	__ATTR_RO(class),
	__ATTR_NULL,
};

static struct bus_type bcma_bus_type = {
	.name		= "bcma",
	.match		= bcma_bus_match,
	.probe		= bcma_device_probe,
	.remove		= bcma_device_remove,
	.uevent		= bcma_device_uevent,
	.dev_attrs	= bcma_device_attrs,
};

static u16 bcma_cc_core_id(struct bcma_bus *bus)
{
	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
		return BCMA_CORE_4706_CHIPCOMMON;
	return BCMA_CORE_CHIPCOMMON;
}

struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid)
{
	struct bcma_device *core;

	list_for_each_entry(core, &bus->cores, list) {
		if (core->id.id == coreid)
			return core;
	}
	return NULL;
}
EXPORT_SYMBOL_GPL(bcma_find_core);

static void bcma_release_core_dev(struct device *dev)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	if (core->io_addr)
		iounmap(core->io_addr);
	if (core->io_wrap)
		iounmap(core->io_wrap);
	kfree(core);
}

static int bcma_register_cores(struct bcma_bus *bus)
{
	struct bcma_device *core;
	int err, dev_id = 0;

	list_for_each_entry(core, &bus->cores, list) {
		/* We support that cores ourself */
		switch (core->id.id) {
		case BCMA_CORE_4706_CHIPCOMMON:
		case BCMA_CORE_CHIPCOMMON:
		case BCMA_CORE_PCI:
		case BCMA_CORE_PCIE:
		case BCMA_CORE_MIPS_74K:
		case BCMA_CORE_4706_MAC_GBIT_COMMON:
			continue;
		}

		core->dev.release = bcma_release_core_dev;
		core->dev.bus = &bcma_bus_type;
		dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);

		switch (bus->hosttype) {
		case BCMA_HOSTTYPE_PCI:
			core->dev.parent = &bus->host_pci->dev;
			core->dma_dev = &bus->host_pci->dev;
			core->irq = bus->host_pci->irq;
			break;
		case BCMA_HOSTTYPE_SOC:
			core->dev.dma_mask = &core->dev.coherent_dma_mask;
			core->dma_dev = &core->dev;
			break;
		case BCMA_HOSTTYPE_SDIO:
			break;
		}

		err = device_register(&core->dev);
		if (err) {
			bcma_err(bus,
				 "Could not register dev for core 0x%03X\n",
				 core->id.id);
			continue;
		}
		core->dev_registered = true;
		dev_id++;
	}

#ifdef CONFIG_BCMA_SFLASH
	if (bus->drv_cc.sflash.present) {
		err = platform_device_register(&bcma_sflash_dev);
		if (err)
			bcma_err(bus, "Error registering serial flash\n");
	}
#endif

#ifdef CONFIG_BCMA_NFLASH
	if (bus->drv_cc.nflash.present) {
		err = platform_device_register(&bcma_nflash_dev);
		if (err)
			bcma_err(bus, "Error registering NAND flash\n");
	}
#endif

	return 0;
}

static void bcma_unregister_cores(struct bcma_bus *bus)
{
	struct bcma_device *core;

	list_for_each_entry(core, &bus->cores, list) {
		if (core->dev_registered)
			device_unregister(&core->dev);
	}
}

int __devinit bcma_bus_register(struct bcma_bus *bus)
{
	int err;
	struct bcma_device *core;

	mutex_lock(&bcma_buses_mutex);
	bus->num = bcma_bus_next_num++;
	mutex_unlock(&bcma_buses_mutex);

	/* Scan for devices (cores) */
	err = bcma_bus_scan(bus);
	if (err) {
		bcma_err(bus, "Failed to scan: %d\n", err);
		return -1;
	}

	/* Init CC core */
	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	if (core) {
		bus->drv_cc.core = core;
		bcma_core_chipcommon_init(&bus->drv_cc);
	}

	/* Init MIPS core */
	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	if (core) {
		bus->drv_mips.core = core;
		bcma_core_mips_init(&bus->drv_mips);
	}

	/* Init PCIE core */
	core = bcma_find_core(bus, BCMA_CORE_PCIE);
	if (core) {
		bus->drv_pci.core = core;
		bcma_core_pci_init(&bus->drv_pci);
	}

	/* Init GBIT MAC COMMON core */
	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	if (core) {
		bus->drv_gmac_cmn.core = core;
		bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
	}

	/* Try to get SPROM */
	err = bcma_sprom_get(bus);
	if (err == -ENOENT) {
		bcma_err(bus, "No SPROM available\n");
	} else if (err)
		bcma_err(bus, "Failed to get SPROM: %d\n", err);

	/* Register found cores */
	bcma_register_cores(bus);

	bcma_info(bus, "Bus registered\n");

	return 0;
}

void bcma_bus_unregister(struct bcma_bus *bus)
{
	struct bcma_device *cores[3];

	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
	cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);

	bcma_unregister_cores(bus);

	kfree(cores[2]);
	kfree(cores[1]);
	kfree(cores[0]);
}

int __init bcma_bus_early_register(struct bcma_bus *bus,
				   struct bcma_device *core_cc,
				   struct bcma_device *core_mips)
{
	int err;
	struct bcma_device *core;
	struct bcma_device_id match;

	bcma_init_bus(bus);

	match.manuf = BCMA_MANUF_BCM;
	match.id = bcma_cc_core_id(bus);
	match.class = BCMA_CL_SIM;
	match.rev = BCMA_ANY_REV;

	/* Scan for chip common core */
	err = bcma_bus_scan_early(bus, &match, core_cc);
	if (err) {
		bcma_err(bus, "Failed to scan for common core: %d\n", err);
		return -1;
	}

	match.manuf = BCMA_MANUF_MIPS;
	match.id = BCMA_CORE_MIPS_74K;
	match.class = BCMA_CL_SIM;
	match.rev = BCMA_ANY_REV;

	/* Scan for mips core */
	err = bcma_bus_scan_early(bus, &match, core_mips);
	if (err) {
		bcma_err(bus, "Failed to scan for mips core: %d\n", err);
		return -1;
	}

	/* Early init CC core */
	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	if (core) {
		bus->drv_cc.core = core;
		bcma_core_chipcommon_early_init(&bus->drv_cc);
	}

	/* Early init MIPS core */
	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	if (core) {
		bus->drv_mips.core = core;
		bcma_core_mips_early_init(&bus->drv_mips);
	}

	bcma_info(bus, "Early bus registered\n");

	return 0;
}

#ifdef CONFIG_PM
int bcma_bus_suspend(struct bcma_bus *bus)
{
	struct bcma_device *core;

	list_for_each_entry(core, &bus->cores, list) {
		struct device_driver *drv = core->dev.driver;
		if (drv) {
			struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
			if (adrv->suspend)
				adrv->suspend(core);
		}
	}
	return 0;
}

int bcma_bus_resume(struct bcma_bus *bus)
{
	struct bcma_device *core;

	/* Init CC core */
	if (bus->drv_cc.core) {
		bus->drv_cc.setup_done = false;
		bcma_core_chipcommon_init(&bus->drv_cc);
	}

	list_for_each_entry(core, &bus->cores, list) {
		struct device_driver *drv = core->dev.driver;
		if (drv) {
			struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
			if (adrv->resume)
				adrv->resume(core);
		}
	}

	return 0;
}
#endif

int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
{
	drv->drv.name = drv->name;
	drv->drv.bus = &bcma_bus_type;
	drv->drv.owner = owner;

	return driver_register(&drv->drv);
}
EXPORT_SYMBOL_GPL(__bcma_driver_register);

void bcma_driver_unregister(struct bcma_driver *drv)
{
	driver_unregister(&drv->drv);
}
EXPORT_SYMBOL_GPL(bcma_driver_unregister);

static int bcma_bus_match(struct device *dev, struct device_driver *drv)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	const struct bcma_device_id *cid = &core->id;
	const struct bcma_device_id *did;

	for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) {
	    if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) &&
		(did->id == cid->id || did->id == BCMA_ANY_ID) &&
		(did->rev == cid->rev || did->rev == BCMA_ANY_REV) &&
		(did->class == cid->class || did->class == BCMA_ANY_CLASS))
			return 1;
	}
	return 0;
}

static int bcma_device_probe(struct device *dev)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
					       drv);
	int err = 0;

	if (adrv->probe)
		err = adrv->probe(core);

	return err;
}

static int bcma_device_remove(struct device *dev)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
					       drv);

	if (adrv->remove)
		adrv->remove(core);

	return 0;
}

static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);

	return add_uevent_var(env,
			      "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
			      core->id.manuf, core->id.id,
			      core->id.rev, core->id.class);
}

static int __init bcma_modinit(void)
{
	int err;

	err = bus_register(&bcma_bus_type);
	if (err)
		return err;

#ifdef CONFIG_BCMA_HOST_PCI
	err = bcma_host_pci_init();
	if (err) {
		pr_err("PCI host initialization failed\n");
		err = 0;
	}
#endif

	return err;
}
fs_initcall(bcma_modinit);

static void __exit bcma_modexit(void)
{
#ifdef CONFIG_BCMA_HOST_PCI
	bcma_host_pci_exit();
#endif
	bus_unregister(&bcma_bus_type);
}
module_exit(bcma_modexit)
Commit	Line	Data
8369ae33 RM	1	/*
	2	* Broadcom specific AMBA
	3	* Bus subsystem
	4	*
	5	* Licensed under the GNU/GPL. See COPYING for details.
	6	*/
	7
	8	#include "bcma_private.h"
200351c7	9	#include <linux/module.h>
d57ef3a6	10	#include <linux/platform_device.h>
8369ae33	11	#include <linux/bcma/bcma.h>
eef72699	12	#include <linux/slab.h>
8369ae33 RM	13
	14	MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
	15	MODULE_LICENSE("GPL");
	16
8f9ada4f HM	17	/* contains the number the next bus should get. */
	18	static unsigned int bcma_bus_next_num = 0;
	19
	20	/* bcma_buses_mutex locks the bcma_bus_next_num */
	21	static DEFINE_MUTEX(bcma_buses_mutex);
	22
8369ae33 RM	23	static int bcma_bus_match(struct device dev, struct device_driver drv);
	24	static int bcma_device_probe(struct device *dev);
	25	static int bcma_device_remove(struct device *dev);
886b66ef	26	static int bcma_device_uevent(struct device dev, struct kobj_uevent_env env);
8369ae33 RM	27
	28	static ssize_t manuf_show(struct device dev, struct device_attribute attr, char *buf)
	29	{
	30	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	31	return sprintf(buf, "0x%03X\n", core->id.manuf);
	32	}
	33	static ssize_t id_show(struct device dev, struct device_attribute attr, char *buf)
	34	{
	35	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	36	return sprintf(buf, "0x%03X\n", core->id.id);
	37	}
	38	static ssize_t rev_show(struct device dev, struct device_attribute attr, char *buf)
	39	{
	40	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	41	return sprintf(buf, "0x%02X\n", core->id.rev);
	42	}
	43	static ssize_t class_show(struct device dev, struct device_attribute attr, char *buf)
	44	{
	45	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	46	return sprintf(buf, "0x%X\n", core->id.class);
	47	}
	48	static struct device_attribute bcma_device_attrs[] = {
	49	__ATTR_RO(manuf),
	50	__ATTR_RO(id),
	51	__ATTR_RO(rev),
	52	__ATTR_RO(class),
	53	__ATTR_NULL,
	54	};
	55
	56	static struct bus_type bcma_bus_type = {
	57	.name = "bcma",
	58	.match = bcma_bus_match,
	59	.probe = bcma_device_probe,
	60	.remove = bcma_device_remove,
886b66ef	61	.uevent = bcma_device_uevent,
8369ae33 RM	62	.dev_attrs = bcma_device_attrs,
	63	};
	64
6d5cfc9f RM	65	static u16 bcma_cc_core_id(struct bcma_bus *bus)
	66	{
	67	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
	68	return BCMA_CORE_4706_CHIPCOMMON;
	69	return BCMA_CORE_CHIPCOMMON;
	70	}
	71
1c9351cf	72	struct bcma_device bcma_find_core(struct bcma_bus bus, u16 coreid)
8369ae33 RM	73	{
	74	struct bcma_device *core;
	75
	76	list_for_each_entry(core, &bus->cores, list) {
	77	if (core->id.id == coreid)
	78	return core;
	79	}
	80	return NULL;
	81	}
1c9351cf	82	EXPORT_SYMBOL_GPL(bcma_find_core);
8369ae33 RM	83
	84	static void bcma_release_core_dev(struct device *dev)
	85	{
	86	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
ecd177c2 HM	87	if (core->io_addr)
	88	iounmap(core->io_addr);
	89	if (core->io_wrap)
	90	iounmap(core->io_wrap);
8369ae33 RM	91	kfree(core);
	92	}
	93
	94	static int bcma_register_cores(struct bcma_bus *bus)
	95	{
	96	struct bcma_device *core;
	97	int err, dev_id = 0;
	98
	99	list_for_each_entry(core, &bus->cores, list) {
	100	/* We support that cores ourself */
	101	switch (core->id.id) {
6d5cfc9f	102	case BCMA_CORE_4706_CHIPCOMMON:
8369ae33 RM	103	case BCMA_CORE_CHIPCOMMON:
	104	case BCMA_CORE_PCI:
	105	case BCMA_CORE_PCIE:
21e0534a	106	case BCMA_CORE_MIPS_74K:
e1ac4b40	107	case BCMA_CORE_4706_MAC_GBIT_COMMON:
8369ae33 RM	108	continue;
	109	}
	110
	111	core->dev.release = bcma_release_core_dev;
	112	core->dev.bus = &bcma_bus_type;
8f9ada4f	113	dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);
8369ae33 RM	114
	115	switch (bus->hosttype) {
	116	case BCMA_HOSTTYPE_PCI:
	117	core->dev.parent = &bus->host_pci->dev;
1bdcd095 RM	118	core->dma_dev = &bus->host_pci->dev;
1bdcd095 RM	119	core->irq = bus->host_pci->irq;
8369ae33	120	break;
ecd177c2 HM	121	case BCMA_HOSTTYPE_SOC:
	122	core->dev.dma_mask = &core->dev.coherent_dma_mask;
	123	core->dma_dev = &core->dev;
	124	break;
8369ae33 RM	125	case BCMA_HOSTTYPE_SDIO:
	126	break;
	127	}
	128
	129	err = device_register(&core->dev);
	130	if (err) {
3d9d8af3 RM	131	bcma_err(bus,
	132	"Could not register dev for core 0x%03X\n",
	133	core->id.id);
8369ae33 RM	134	continue;
	135	}
	136	core->dev_registered = true;
	137	dev_id++;
	138	}
	139
d57ef3a6 RM	140	#ifdef CONFIG_BCMA_SFLASH
	141	if (bus->drv_cc.sflash.present) {
	142	err = platform_device_register(&bcma_sflash_dev);
	143	if (err)
	144	bcma_err(bus, "Error registering serial flash\n");
	145	}
	146	#endif
	147
371a0044 RM	148	#ifdef CONFIG_BCMA_NFLASH
	149	if (bus->drv_cc.nflash.present) {
	150	err = platform_device_register(&bcma_nflash_dev);
	151	if (err)
	152	bcma_err(bus, "Error registering NAND flash\n");
	153	}
	154	#endif
	155
8369ae33 RM	156	return 0;
	157	}
	158
	159	static void bcma_unregister_cores(struct bcma_bus *bus)
	160	{
	161	struct bcma_device *core;
	162
	163	list_for_each_entry(core, &bus->cores, list) {
	164	if (core->dev_registered)
	165	device_unregister(&core->dev);
	166	}
	167	}
	168
d1a7a8e1	169	int __devinit bcma_bus_register(struct bcma_bus *bus)
8369ae33 RM	170	{
	171	int err;
	172	struct bcma_device *core;
	173
8f9ada4f HM	174	mutex_lock(&bcma_buses_mutex);
	175	bus->num = bcma_bus_next_num++;
	176	mutex_unlock(&bcma_buses_mutex);
	177
8369ae33 RM	178	/* Scan for devices (cores) */
	179	err = bcma_bus_scan(bus);
	180	if (err) {
3d9d8af3	181	bcma_err(bus, "Failed to scan: %d\n", err);
8369ae33 RM	182	return -1;
	183	}
	184
	185	/* Init CC core */
6d5cfc9f	186	core = bcma_find_core(bus, bcma_cc_core_id(bus));
8369ae33 RM	187	if (core) {
	188	bus->drv_cc.core = core;
	189	bcma_core_chipcommon_init(&bus->drv_cc);
	190	}
	191
21e0534a HM	192	/* Init MIPS core */
	193	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	194	if (core) {
	195	bus->drv_mips.core = core;
	196	bcma_core_mips_init(&bus->drv_mips);
	197	}
	198
8369ae33 RM	199	/* Init PCIE core */
	200	core = bcma_find_core(bus, BCMA_CORE_PCIE);
	201	if (core) {
	202	bus->drv_pci.core = core;
	203	bcma_core_pci_init(&bus->drv_pci);
	204	}
	205
e1ac4b40 RM	206	/* Init GBIT MAC COMMON core */
	207	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	208	if (core) {
	209	bus->drv_gmac_cmn.core = core;
	210	bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
	211	}
	212
27f18dc2 RM	213	/* Try to get SPROM */
27f18dc2 RM	214	err = bcma_sprom_get(bus);
534e7a45	215	if (err == -ENOENT) {
3d9d8af3	216	bcma_err(bus, "No SPROM available\n");
2e6b4119	217	} else if (err)
3d9d8af3	218	bcma_err(bus, "Failed to get SPROM: %d\n", err);
27f18dc2	219
8369ae33 RM	220	/* Register found cores */
	221	bcma_register_cores(bus);
	222
3d9d8af3	223	bcma_info(bus, "Bus registered\n");
8369ae33 RM	224
	225	return 0;
	226	}
8369ae33 RM	227
	228	void bcma_bus_unregister(struct bcma_bus *bus)
	229	{
ee915927 SSJ	230	struct bcma_device *cores[3];
	231
	232	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	233	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
	234	cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	235
8369ae33	236	bcma_unregister_cores(bus);
ee915927 SSJ	237
	238	kfree(cores[2]);
	239	kfree(cores[1]);
	240	kfree(cores[0]);
8369ae33	241	}
8369ae33	242
517f43e5 HM	243	int __init bcma_bus_early_register(struct bcma_bus *bus,
	244	struct bcma_device *core_cc,
	245	struct bcma_device *core_mips)
	246	{
	247	int err;
	248	struct bcma_device *core;
	249	struct bcma_device_id match;
	250
	251	bcma_init_bus(bus);
	252
	253	match.manuf = BCMA_MANUF_BCM;
6d5cfc9f	254	match.id = bcma_cc_core_id(bus);
517f43e5 HM	255	match.class = BCMA_CL_SIM;
	256	match.rev = BCMA_ANY_REV;
	257
	258	/* Scan for chip common core */
	259	err = bcma_bus_scan_early(bus, &match, core_cc);
	260	if (err) {
3d9d8af3	261	bcma_err(bus, "Failed to scan for common core: %d\n", err);
517f43e5 HM	262	return -1;
	263	}
	264
	265	match.manuf = BCMA_MANUF_MIPS;
	266	match.id = BCMA_CORE_MIPS_74K;
	267	match.class = BCMA_CL_SIM;
	268	match.rev = BCMA_ANY_REV;
	269
	270	/* Scan for mips core */
	271	err = bcma_bus_scan_early(bus, &match, core_mips);
	272	if (err) {
3d9d8af3	273	bcma_err(bus, "Failed to scan for mips core: %d\n", err);
517f43e5 HM	274	return -1;
	275	}
	276
49655bb8	277	/* Early init CC core */
6d5cfc9f	278	core = bcma_find_core(bus, bcma_cc_core_id(bus));
517f43e5 HM	279	if (core) {
517f43e5 HM	280	bus->drv_cc.core = core;
49655bb8	281	bcma_core_chipcommon_early_init(&bus->drv_cc);
517f43e5 HM	282	}
517f43e5 HM	283
49655bb8	284	/* Early init MIPS core */
21e0534a HM	285	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	286	if (core) {
	287	bus->drv_mips.core = core;
49655bb8	288	bcma_core_mips_early_init(&bus->drv_mips);
21e0534a HM	289	}
21e0534a HM	290
3d9d8af3	291	bcma_info(bus, "Early bus registered\n");
517f43e5 HM	292
	293	return 0;
	294	}
	295
775ab521	296	#ifdef CONFIG_PM
685a4ef0 LT	297	int bcma_bus_suspend(struct bcma_bus *bus)
685a4ef0 LT	298	{
7d5869e7 LT	299	struct bcma_device *core;
	300
	301	list_for_each_entry(core, &bus->cores, list) {
	302	struct device_driver *drv = core->dev.driver;
	303	if (drv) {
	304	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	305	if (adrv->suspend)
	306	adrv->suspend(core);
	307	}
	308	}
685a4ef0 LT	309	return 0;
	310	}
	311
775ab521 RM	312	int bcma_bus_resume(struct bcma_bus *bus)
	313	{
	314	struct bcma_device *core;
	315
	316	/* Init CC core */
6d5cfc9f	317	if (bus->drv_cc.core) {
775ab521 RM	318	bus->drv_cc.setup_done = false;
	319	bcma_core_chipcommon_init(&bus->drv_cc);
	320	}
	321
7d5869e7 LT	322	list_for_each_entry(core, &bus->cores, list) {
	323	struct device_driver *drv = core->dev.driver;
	324	if (drv) {
	325	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	326	if (adrv->resume)
	327	adrv->resume(core);
	328	}
	329	}
	330
775ab521 RM	331	return 0;
	332	}
	333	#endif
	334
8369ae33 RM	335	int __bcma_driver_register(struct bcma_driver drv, struct module owner)
	336	{
	337	drv->drv.name = drv->name;
	338	drv->drv.bus = &bcma_bus_type;
	339	drv->drv.owner = owner;
	340
	341	return driver_register(&drv->drv);
	342	}
	343	EXPORT_SYMBOL_GPL(__bcma_driver_register);
	344
	345	void bcma_driver_unregister(struct bcma_driver *drv)
	346	{
	347	driver_unregister(&drv->drv);
	348	}
	349	EXPORT_SYMBOL_GPL(bcma_driver_unregister);
	350
	351	static int bcma_bus_match(struct device dev, struct device_driver drv)
	352	{
	353	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	354	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	355	const struct bcma_device_id *cid = &core->id;
	356	const struct bcma_device_id *did;
	357
	358	for (did = adrv->id_table; did->manuf \|\| did->id \|\| did->rev; did++) {
	359	if ((did->manuf == cid->manuf \|\| did->manuf == BCMA_ANY_MANUF) &&
	360	(did->id == cid->id \|\| did->id == BCMA_ANY_ID) &&
	361	(did->rev == cid->rev \|\| did->rev == BCMA_ANY_REV) &&
	362	(did->class == cid->class \|\| did->class == BCMA_ANY_CLASS))
	363	return 1;
	364	}
	365	return 0;
	366	}
	367
	368	static int bcma_device_probe(struct device *dev)
	369	{
	370	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	371	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
	372	drv);
	373	int err = 0;
	374
	375	if (adrv->probe)
	376	err = adrv->probe(core);
	377
	378	return err;
	379	}
	380
	381	static int bcma_device_remove(struct device *dev)
	382	{
	383	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	384	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
	385	drv);
	386
	387	if (adrv->remove)
	388	adrv->remove(core);
	389
	390	return 0;
	391	}
	392
886b66ef DW	393	static int bcma_device_uevent(struct device dev, struct kobj_uevent_env env)
	394	{
	395	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	396
	397	return add_uevent_var(env,
	398	"MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
	399	core->id.manuf, core->id.id,
	400	core->id.rev, core->id.class);
	401	}
	402
8369ae33 RM	403	static int __init bcma_modinit(void)
	404	{
	405	int err;
	406
	407	err = bus_register(&bcma_bus_type);
	408	if (err)
	409	return err;
	410
	411	#ifdef CONFIG_BCMA_HOST_PCI
	412	err = bcma_host_pci_init();
	413	if (err) {
	414	pr_err("PCI host initialization failed\n");
	415	err = 0;
	416	}
	417	#endif
	418
	419	return err;
	420	}
	421	fs_initcall(bcma_modinit);
	422
	423	static void __exit bcma_modexit(void)
	424	{
	425	#ifdef CONFIG_BCMA_HOST_PCI
	426	bcma_host_pci_exit();
	427	#endif
	428	bus_unregister(&bcma_bus_type);
	429	}
	430	module_exit(bcma_modexit)