[deliverable/linux.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);

struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
					u8 unit)
{
	struct bcma_device *core;

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

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_DRIVER_MIPS
	if (bus->drv_cc.pflash.present) {
		err = platform_device_register(&bcma_pflash_dev);
		if (err)
			bcma_err(bus, "Error registering parallel flash\n");
	}
#endif

#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
	err = bcma_gpio_init(&bus->drv_cc);
	if (err == -ENOTSUPP)
		bcma_debug(bus, "GPIO driver not activated\n");
	else if (err)
		bcma_err(bus, "Error registering GPIO driver: %i\n", err);

	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
		err = bcma_chipco_watchdog_register(&bus->drv_cc);
		if (err)
			bcma_err(bus, "Error registering watchdog driver\n");
	}

	return 0;
}

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

	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
		list_del(&core->list);
		if (core->dev_registered)
			device_unregister(&core->dev);
	}
	if (bus->hosttype == BCMA_HOSTTYPE_SOC)
		platform_device_unregister(bus->drv_cc.watchdog);
}

int 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;
	}

	/* 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);
	}

	/* 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);

	/* 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_unit(bus, BCMA_CORE_PCIE, 0);
	if (core) {
		bus->drv_pci[0].core = core;
		bcma_core_pci_init(&bus->drv_pci[0]);
	}

	/* Init PCIE core */
	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
	if (core) {
		bus->drv_pci[1].core = core;
		bcma_core_pci_init(&bus->drv_pci[1]);
	}

	/* 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);
	}

	/* 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];
	int err;

	err = bcma_gpio_unregister(&bus->drv_cc);
	if (err == -EBUSY)
		bcma_err(bus, "Some GPIOs are still in use.\n");
	else if (err)
		bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);

	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	83
929a03ae HM	84	struct bcma_device bcma_find_core_unit(struct bcma_bus bus, u16 coreid,
929a03ae HM	85	u8 unit)
dfae7143 HM	86	{
	87	struct bcma_device *core;
	88
	89	list_for_each_entry(core, &bus->cores, list) {
	90	if (core->id.id == coreid && core->core_unit == unit)
	91	return core;
	92	}
	93	return NULL;
	94	}
	95
8369ae33 RM	96	static void bcma_release_core_dev(struct device *dev)
	97	{
	98	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
ecd177c2 HM	99	if (core->io_addr)
	100	iounmap(core->io_addr);
	101	if (core->io_wrap)
	102	iounmap(core->io_wrap);
8369ae33 RM	103	kfree(core);
	104	}
	105
	106	static int bcma_register_cores(struct bcma_bus *bus)
	107	{
	108	struct bcma_device *core;
	109	int err, dev_id = 0;
	110
	111	list_for_each_entry(core, &bus->cores, list) {
	112	/* We support that cores ourself */
	113	switch (core->id.id) {
6d5cfc9f	114	case BCMA_CORE_4706_CHIPCOMMON:
8369ae33 RM	115	case BCMA_CORE_CHIPCOMMON:
	116	case BCMA_CORE_PCI:
	117	case BCMA_CORE_PCIE:
21e0534a	118	case BCMA_CORE_MIPS_74K:
e1ac4b40	119	case BCMA_CORE_4706_MAC_GBIT_COMMON:
8369ae33 RM	120	continue;
	121	}
	122
	123	core->dev.release = bcma_release_core_dev;
	124	core->dev.bus = &bcma_bus_type;
8f9ada4f	125	dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);
8369ae33 RM	126
	127	switch (bus->hosttype) {
	128	case BCMA_HOSTTYPE_PCI:
	129	core->dev.parent = &bus->host_pci->dev;
1bdcd095 RM	130	core->dma_dev = &bus->host_pci->dev;
1bdcd095 RM	131	core->irq = bus->host_pci->irq;
8369ae33	132	break;
ecd177c2 HM	133	case BCMA_HOSTTYPE_SOC:
	134	core->dev.dma_mask = &core->dev.coherent_dma_mask;
	135	core->dma_dev = &core->dev;
	136	break;
8369ae33 RM	137	case BCMA_HOSTTYPE_SDIO:
	138	break;
	139	}
	140
	141	err = device_register(&core->dev);
	142	if (err) {
3d9d8af3 RM	143	bcma_err(bus,
	144	"Could not register dev for core 0x%03X\n",
	145	core->id.id);
8369ae33 RM	146	continue;
	147	}
	148	core->dev_registered = true;
	149	dev_id++;
	150	}
	151
73e4dbe4 RM	152	#ifdef CONFIG_BCMA_DRIVER_MIPS
	153	if (bus->drv_cc.pflash.present) {
	154	err = platform_device_register(&bcma_pflash_dev);
	155	if (err)
	156	bcma_err(bus, "Error registering parallel flash\n");
	157	}
	158	#endif
	159
d57ef3a6 RM	160	#ifdef CONFIG_BCMA_SFLASH
	161	if (bus->drv_cc.sflash.present) {
	162	err = platform_device_register(&bcma_sflash_dev);
	163	if (err)
	164	bcma_err(bus, "Error registering serial flash\n");
	165	}
	166	#endif
	167
371a0044 RM	168	#ifdef CONFIG_BCMA_NFLASH
	169	if (bus->drv_cc.nflash.present) {
	170	err = platform_device_register(&bcma_nflash_dev);
	171	if (err)
	172	bcma_err(bus, "Error registering NAND flash\n");
	173	}
	174	#endif
cf0936b0 HM	175	err = bcma_gpio_init(&bus->drv_cc);
	176	if (err == -ENOTSUPP)
	177	bcma_debug(bus, "GPIO driver not activated\n");
	178	else if (err)
	179	bcma_err(bus, "Error registering GPIO driver: %i\n", err);
371a0044	180
a4855f39 HM	181	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
	182	err = bcma_chipco_watchdog_register(&bus->drv_cc);
	183	if (err)
	184	bcma_err(bus, "Error registering watchdog driver\n");
	185	}
	186
8369ae33 RM	187	return 0;
	188	}
	189
	190	static void bcma_unregister_cores(struct bcma_bus *bus)
	191	{
1fffa905	192	struct bcma_device core, tmp;
8369ae33	193
1fffa905 PH	194	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
1fffa905 PH	195	list_del(&core->list);
8369ae33 RM	196	if (core->dev_registered)
	197	device_unregister(&core->dev);
	198	}
a4855f39 HM	199	if (bus->hosttype == BCMA_HOSTTYPE_SOC)
a4855f39 HM	200	platform_device_unregister(bus->drv_cc.watchdog);
8369ae33 RM	201	}
8369ae33 RM	202
0f58a01d	203	int bcma_bus_register(struct bcma_bus *bus)
8369ae33 RM	204	{
	205	int err;
	206	struct bcma_device *core;
	207
8f9ada4f HM	208	mutex_lock(&bcma_buses_mutex);
	209	bus->num = bcma_bus_next_num++;
	210	mutex_unlock(&bcma_buses_mutex);
	211
8369ae33 RM	212	/* Scan for devices (cores) */
	213	err = bcma_bus_scan(bus);
	214	if (err) {
3d9d8af3	215	bcma_err(bus, "Failed to scan: %d\n", err);
8369ae33 RM	216	return -1;
	217	}
	218
30cfb023 HM	219	/* Early init CC core */
	220	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	221	if (core) {
	222	bus->drv_cc.core = core;
	223	bcma_core_chipcommon_early_init(&bus->drv_cc);
	224	}
	225
	226	/* Try to get SPROM */
	227	err = bcma_sprom_get(bus);
	228	if (err == -ENOENT) {
	229	bcma_err(bus, "No SPROM available\n");
	230	} else if (err)
	231	bcma_err(bus, "Failed to get SPROM: %d\n", err);
	232
8369ae33	233	/* Init CC core */
6d5cfc9f	234	core = bcma_find_core(bus, bcma_cc_core_id(bus));
8369ae33 RM	235	if (core) {
	236	bus->drv_cc.core = core;
	237	bcma_core_chipcommon_init(&bus->drv_cc);
	238	}
	239
21e0534a HM	240	/* Init MIPS core */
	241	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	242	if (core) {
	243	bus->drv_mips.core = core;
	244	bcma_core_mips_init(&bus->drv_mips);
	245	}
	246
8369ae33	247	/* Init PCIE core */
dfae7143 HM	248	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
	249	if (core) {
	250	bus->drv_pci[0].core = core;
	251	bcma_core_pci_init(&bus->drv_pci[0]);
	252	}
	253
	254	/* Init PCIE core */
	255	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
8369ae33	256	if (core) {
dfae7143 HM	257	bus->drv_pci[1].core = core;
dfae7143 HM	258	bcma_core_pci_init(&bus->drv_pci[1]);
8369ae33 RM	259	}
8369ae33 RM	260
e1ac4b40 RM	261	/* Init GBIT MAC COMMON core */
	262	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	263	if (core) {
	264	bus->drv_gmac_cmn.core = core;
	265	bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
	266	}
	267
8369ae33 RM	268	/* Register found cores */
	269	bcma_register_cores(bus);
	270
3d9d8af3	271	bcma_info(bus, "Bus registered\n");
8369ae33 RM	272
	273	return 0;
	274	}
8369ae33 RM	275
	276	void bcma_bus_unregister(struct bcma_bus *bus)
	277	{
ee915927	278	struct bcma_device *cores[3];
c50ae947 HM	279	int err;
	280
	281	err = bcma_gpio_unregister(&bus->drv_cc);
	282	if (err == -EBUSY)
	283	bcma_err(bus, "Some GPIOs are still in use.\n");
	284	else if (err)
	285	bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
ee915927 SSJ	286
	287	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	288	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
	289	cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	290
8369ae33	291	bcma_unregister_cores(bus);
ee915927 SSJ	292
	293	kfree(cores[2]);
	294	kfree(cores[1]);
	295	kfree(cores[0]);
8369ae33	296	}
8369ae33	297
517f43e5 HM	298	int __init bcma_bus_early_register(struct bcma_bus *bus,
	299	struct bcma_device *core_cc,
	300	struct bcma_device *core_mips)
	301	{
	302	int err;
	303	struct bcma_device *core;
	304	struct bcma_device_id match;
	305
	306	bcma_init_bus(bus);
	307
	308	match.manuf = BCMA_MANUF_BCM;
6d5cfc9f	309	match.id = bcma_cc_core_id(bus);
517f43e5 HM	310	match.class = BCMA_CL_SIM;
	311	match.rev = BCMA_ANY_REV;
	312
	313	/* Scan for chip common core */
	314	err = bcma_bus_scan_early(bus, &match, core_cc);
	315	if (err) {
3d9d8af3	316	bcma_err(bus, "Failed to scan for common core: %d\n", err);
517f43e5 HM	317	return -1;
	318	}
	319
	320	match.manuf = BCMA_MANUF_MIPS;
	321	match.id = BCMA_CORE_MIPS_74K;
	322	match.class = BCMA_CL_SIM;
	323	match.rev = BCMA_ANY_REV;
	324
	325	/* Scan for mips core */
	326	err = bcma_bus_scan_early(bus, &match, core_mips);
	327	if (err) {
3d9d8af3	328	bcma_err(bus, "Failed to scan for mips core: %d\n", err);
517f43e5 HM	329	return -1;
	330	}
	331
49655bb8	332	/* Early init CC core */
6d5cfc9f	333	core = bcma_find_core(bus, bcma_cc_core_id(bus));
517f43e5 HM	334	if (core) {
517f43e5 HM	335	bus->drv_cc.core = core;
49655bb8	336	bcma_core_chipcommon_early_init(&bus->drv_cc);
517f43e5 HM	337	}
517f43e5 HM	338
49655bb8	339	/* Early init MIPS core */
21e0534a HM	340	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	341	if (core) {
	342	bus->drv_mips.core = core;
49655bb8	343	bcma_core_mips_early_init(&bus->drv_mips);
21e0534a HM	344	}
21e0534a HM	345
3d9d8af3	346	bcma_info(bus, "Early bus registered\n");
517f43e5 HM	347
	348	return 0;
	349	}
	350
775ab521	351	#ifdef CONFIG_PM
685a4ef0 LT	352	int bcma_bus_suspend(struct bcma_bus *bus)
685a4ef0 LT	353	{
7d5869e7 LT	354	struct bcma_device *core;
	355
	356	list_for_each_entry(core, &bus->cores, list) {
	357	struct device_driver *drv = core->dev.driver;
	358	if (drv) {
	359	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	360	if (adrv->suspend)
	361	adrv->suspend(core);
	362	}
	363	}
685a4ef0 LT	364	return 0;
	365	}
	366
775ab521 RM	367	int bcma_bus_resume(struct bcma_bus *bus)
	368	{
	369	struct bcma_device *core;
	370
	371	/* Init CC core */
6d5cfc9f	372	if (bus->drv_cc.core) {
775ab521 RM	373	bus->drv_cc.setup_done = false;
	374	bcma_core_chipcommon_init(&bus->drv_cc);
	375	}
	376
7d5869e7 LT	377	list_for_each_entry(core, &bus->cores, list) {
	378	struct device_driver *drv = core->dev.driver;
	379	if (drv) {
	380	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	381	if (adrv->resume)
	382	adrv->resume(core);
	383	}
	384	}
	385
775ab521 RM	386	return 0;
	387	}
	388	#endif
	389
8369ae33 RM	390	int __bcma_driver_register(struct bcma_driver drv, struct module owner)
	391	{
	392	drv->drv.name = drv->name;
	393	drv->drv.bus = &bcma_bus_type;
	394	drv->drv.owner = owner;
	395
	396	return driver_register(&drv->drv);
	397	}
	398	EXPORT_SYMBOL_GPL(__bcma_driver_register);
	399
	400	void bcma_driver_unregister(struct bcma_driver *drv)
	401	{
	402	driver_unregister(&drv->drv);
	403	}
	404	EXPORT_SYMBOL_GPL(bcma_driver_unregister);
	405
	406	static int bcma_bus_match(struct device dev, struct device_driver drv)
	407	{
	408	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	409	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	410	const struct bcma_device_id *cid = &core->id;
	411	const struct bcma_device_id *did;
	412
	413	for (did = adrv->id_table; did->manuf \|\| did->id \|\| did->rev; did++) {
	414	if ((did->manuf == cid->manuf \|\| did->manuf == BCMA_ANY_MANUF) &&
	415	(did->id == cid->id \|\| did->id == BCMA_ANY_ID) &&
	416	(did->rev == cid->rev \|\| did->rev == BCMA_ANY_REV) &&
	417	(did->class == cid->class \|\| did->class == BCMA_ANY_CLASS))
	418	return 1;
	419	}
	420	return 0;
	421	}
	422
	423	static int bcma_device_probe(struct device *dev)
	424	{
	425	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	426	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
	427	drv);
	428	int err = 0;
	429
	430	if (adrv->probe)
	431	err = adrv->probe(core);
	432
	433	return err;
	434	}
	435
	436	static int bcma_device_remove(struct device *dev)
	437	{
	438	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	439	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
	440	drv);
	441
	442	if (adrv->remove)
	443	adrv->remove(core);
	444
	445	return 0;
	446	}
	447
886b66ef DW	448	static int bcma_device_uevent(struct device dev, struct kobj_uevent_env env)
	449	{
	450	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	451
	452	return add_uevent_var(env,
	453	"MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
	454	core->id.manuf, core->id.id,
	455	core->id.rev, core->id.class);
	456	}
	457
8369ae33 RM	458	static int __init bcma_modinit(void)
	459	{
	460	int err;
	461
	462	err = bus_register(&bcma_bus_type);
	463	if (err)
	464	return err;
	465
	466	#ifdef CONFIG_BCMA_HOST_PCI
	467	err = bcma_host_pci_init();
	468	if (err) {
	469	pr_err("PCI host initialization failed\n");
	470	err = 0;
	471	}
	472	#endif
	473
	474	return err;
	475	}
	476	fs_initcall(bcma_modinit);
	477
	478	static void __exit bcma_modexit(void)
	479	{
	480	#ifdef CONFIG_BCMA_HOST_PCI
	481	bcma_host_pci_exit();
	482	#endif
	483	bus_unregister(&bcma_bus_type);
	484	}
	485	module_exit(bcma_modexit)