[GitHub/LineageOS/G12/android_hardware_amlogic_kernel-modules_dhd-driver.git] / bcmdhd.1.363.59.144.x.cn / bcmsdh_linux.c

/*
 * SDIO access interface for drivers - linux specific (pci only)
 *
 * Copyright (C) 1999-2016, Broadcom Corporation
 * 
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 * 
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 * 
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: bcmsdh_linux.c 514727 2014-11-12 03:02:48Z $
 */

/**
 * @file bcmsdh_linux.c
 */

#define __UNDEF_NO_VERSION__

#include <typedefs.h>
#include <linuxver.h>
#include <linux/pci.h>
#include <linux/completion.h>

#include <osl.h>
#include <pcicfg.h>
#include <bcmdefs.h>
#include <bcmdevs.h>
#include <linux/irq.h>
extern void dhdsdio_isr(void * args);
#include <bcmutils.h>
#include <dngl_stats.h>
#include <dhd.h>
#if defined(CONFIG_ARCH_ODIN)
#include <linux/platform_data/gpio-odin.h>
#endif /* defined(CONFIG_ARCH_ODIN) */
#include <dhd_linux.h>

/* driver info, initialized when bcmsdh_register is called */
static bcmsdh_driver_t drvinfo = {NULL, NULL, NULL, NULL};

typedef enum {
	DHD_INTR_INVALID = 0,
	DHD_INTR_INBAND,
	DHD_INTR_HWOOB,
	DHD_INTR_SWOOB
} DHD_HOST_INTR_TYPE;

/* the BCMSDH module comprises the generic part (bcmsdh.c) and OS specific layer (e.g.
 * bcmsdh_linux.c). Put all OS specific variables (e.g. irq number and flags) here rather
 * than in the common structure bcmsdh_info. bcmsdh_info only keeps a handle (os_ctx) to this
 * structure.
 */
typedef struct bcmsdh_os_info {
	DHD_HOST_INTR_TYPE	intr_type;
	int			oob_irq_num;	/* valid when hardware or software oob in use */
	unsigned long		oob_irq_flags;	/* valid when hardware or software oob in use */
	bool			oob_irq_registered;
	bool			oob_irq_enabled;
	bool			oob_irq_wake_enabled;
	spinlock_t		oob_irq_spinlock;
	bcmsdh_cb_fn_t		oob_irq_handler;
	void			*oob_irq_handler_context;
	void			*context;	/* context returned from upper layer */
	void			*sdioh;		/* handle to lower layer (sdioh) */
	void			*dev;		/* handle to the underlying device */
	bool			dev_wake_enabled;
} bcmsdh_os_info_t;

/* debugging macros */
#define SDLX_MSG(x) printf x

/**
 * Checks to see if vendor and device IDs match a supported SDIO Host Controller.
 */
bool
bcmsdh_chipmatch(uint16 vendor, uint16 device)
{
	/* Add other vendors and devices as required */

#ifdef BCMSDIOH_STD
	/* Check for Arasan host controller */
	if (vendor == VENDOR_SI_IMAGE) {
		return (TRUE);
	}
	/* Check for BRCM 27XX Standard host controller */
	if (device == BCM27XX_SDIOH_ID && vendor == VENDOR_BROADCOM) {
		return (TRUE);
	}
	/* Check for BRCM Standard host controller */
	if (device == SDIOH_FPGA_ID && vendor == VENDOR_BROADCOM) {
		return (TRUE);
	}
	/* Check for TI PCIxx21 Standard host controller */
	if (device == PCIXX21_SDIOH_ID && vendor == VENDOR_TI) {
		return (TRUE);
	}
	if (device == PCIXX21_SDIOH0_ID && vendor == VENDOR_TI) {
		return (TRUE);
	}
	/* Ricoh R5C822 Standard SDIO Host */
	if (device == R5C822_SDIOH_ID && vendor == VENDOR_RICOH) {
		return (TRUE);
	}
	/* JMicron Standard SDIO Host */
	if (device == JMICRON_SDIOH_ID && vendor == VENDOR_JMICRON) {
		return (TRUE);
	}

#endif /* BCMSDIOH_STD */
#ifdef BCMSDIOH_SPI
	/* This is the PciSpiHost. */
	if (device == SPIH_FPGA_ID && vendor == VENDOR_BROADCOM) {
		printf("Found PCI SPI Host Controller\n");
		return (TRUE);
	}

#endif /* BCMSDIOH_SPI */

	return (FALSE);
}

void* bcmsdh_probe(osl_t *osh, void *dev, void *sdioh, void *adapter_info, uint bus_type,
	uint bus_num, uint slot_num)
{
	ulong regs;
	bcmsdh_info_t *bcmsdh;
	uint32 vendevid;
	bcmsdh_os_info_t *bcmsdh_osinfo = NULL;

	bcmsdh = bcmsdh_attach(osh, sdioh, &regs);
	if (bcmsdh == NULL) {
		SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__));
		goto err;
	}
	bcmsdh_osinfo = MALLOC(osh, sizeof(bcmsdh_os_info_t));
	if (bcmsdh_osinfo == NULL) {
		SDLX_MSG(("%s: failed to allocate bcmsdh_os_info_t\n", __FUNCTION__));
		goto err;
	}
	bzero((char *)bcmsdh_osinfo, sizeof(bcmsdh_os_info_t));
	bcmsdh->os_cxt = bcmsdh_osinfo;
	bcmsdh_osinfo->sdioh = sdioh;
	bcmsdh_osinfo->dev = dev;
	osl_set_bus_handle(osh, bcmsdh);

#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
	if (dev && device_init_wakeup(dev, true) == 0)
		bcmsdh_osinfo->dev_wake_enabled = TRUE;
#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */

#if defined(OOB_INTR_ONLY)
	spin_lock_init(&bcmsdh_osinfo->oob_irq_spinlock);
	/* Get customer specific OOB IRQ parametres: IRQ number as IRQ type */
	bcmsdh_osinfo->oob_irq_num = wifi_platform_get_irq_number(adapter_info,
		&bcmsdh_osinfo->oob_irq_flags);
	if  (bcmsdh_osinfo->oob_irq_num < 0) {
		SDLX_MSG(("%s: Host OOB irq is not defined\n", __FUNCTION__));
		goto err;
	}
#endif /* defined(BCMLXSDMMC) */

	/* Read the vendor/device ID from the CIS */
	vendevid = bcmsdh_query_device(bcmsdh);
	/* try to attach to the target device */
	bcmsdh_osinfo->context = drvinfo.probe((vendevid >> 16), (vendevid & 0xFFFF), bus_num,
		slot_num, 0, bus_type, (void *)regs, osh, bcmsdh);
	if (bcmsdh_osinfo->context == NULL) {
		SDLX_MSG(("%s: device attach failed\n", __FUNCTION__));
		goto err;
	}

	return bcmsdh;

	/* error handling */
err:
	if (bcmsdh != NULL)
		bcmsdh_detach(osh, bcmsdh);
	if (bcmsdh_osinfo != NULL)
		MFREE(osh, bcmsdh_osinfo, sizeof(bcmsdh_os_info_t));
	return NULL;
}

int bcmsdh_remove(bcmsdh_info_t *bcmsdh)
{
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;

#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
	if (bcmsdh_osinfo->dev)
		device_init_wakeup(bcmsdh_osinfo->dev, false);
	bcmsdh_osinfo->dev_wake_enabled = FALSE;
#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */

	drvinfo.remove(bcmsdh_osinfo->context);
	MFREE(bcmsdh->osh, bcmsdh->os_cxt, sizeof(bcmsdh_os_info_t));
	bcmsdh_detach(bcmsdh->osh, bcmsdh);

	return 0;
}

int bcmsdh_suspend(bcmsdh_info_t *bcmsdh)
{
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;

	if (drvinfo.suspend && drvinfo.suspend(bcmsdh_osinfo->context))
		return -EBUSY;
	return 0;
}

int bcmsdh_resume(bcmsdh_info_t *bcmsdh)
{
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;

	if (drvinfo.resume)
		return drvinfo.resume(bcmsdh_osinfo->context);
	return 0;
}

extern int bcmsdh_register_client_driver(void);
extern void bcmsdh_unregister_client_driver(void);
extern int sdio_func_reg_notify(void* semaphore);
extern void sdio_func_unreg_notify(void);

#if defined(BCMLXSDMMC)
int bcmsdh_reg_sdio_notify(void* semaphore)
{
	return sdio_func_reg_notify(semaphore);
}

void bcmsdh_unreg_sdio_notify(void)
{
	sdio_func_unreg_notify();
}
#endif /* defined(BCMLXSDMMC) */

int
bcmsdh_register(bcmsdh_driver_t *driver)
{
	int error = 0;

	drvinfo = *driver;
	SDLX_MSG(("%s: register client driver\n", __FUNCTION__));
	error = bcmsdh_register_client_driver();
	if (error)
		SDLX_MSG(("%s: failed %d\n", __FUNCTION__, error));

	return error;
}

void
bcmsdh_unregister(void)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0))
		if (bcmsdh_pci_driver.node.next == NULL)
			return;
#endif

	bcmsdh_unregister_client_driver();
}

void bcmsdh_dev_pm_stay_awake(bcmsdh_info_t *bcmsdh)
{
#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
	pm_stay_awake(bcmsdh_osinfo->dev);
#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */
}

void bcmsdh_dev_relax(bcmsdh_info_t *bcmsdh)
{
#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
	pm_relax(bcmsdh_osinfo->dev);
#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */
}

bool bcmsdh_dev_pm_enabled(bcmsdh_info_t *bcmsdh)
{
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;

	return bcmsdh_osinfo->dev_wake_enabled;
}

#if defined(OOB_INTR_ONLY)
void bcmsdh_oob_intr_set(bcmsdh_info_t *bcmsdh, bool enable)
{
	unsigned long flags;
	bcmsdh_os_info_t *bcmsdh_osinfo;

	if (!bcmsdh)
		return;

	bcmsdh_osinfo = bcmsdh->os_cxt;
	spin_lock_irqsave(&bcmsdh_osinfo->oob_irq_spinlock, flags);
	if (bcmsdh_osinfo->oob_irq_enabled != enable) {
		if (enable)
			enable_irq(bcmsdh_osinfo->oob_irq_num);
		else
			disable_irq_nosync(bcmsdh_osinfo->oob_irq_num);
		bcmsdh_osinfo->oob_irq_enabled = enable;
	}
	spin_unlock_irqrestore(&bcmsdh_osinfo->oob_irq_spinlock, flags);
}

static irqreturn_t wlan_oob_irq(int irq, void *dev_id)
{
	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)dev_id;
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;

	bcmsdh_oob_intr_set(bcmsdh, FALSE);
	bcmsdh_osinfo->oob_irq_handler(bcmsdh_osinfo->oob_irq_handler_context);

	return IRQ_HANDLED;
}

int bcmsdh_oob_intr_register(bcmsdh_info_t *bcmsdh, bcmsdh_cb_fn_t oob_irq_handler,
	void* oob_irq_handler_context)
{
	int err = 0;
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;

	SDLX_MSG(("%s: Enter\n", __FUNCTION__));
	if (bcmsdh_osinfo->oob_irq_registered) {
		SDLX_MSG(("%s: irq is already registered\n", __FUNCTION__));
		return -EBUSY;
	}
#ifdef HW_OOB
	printf("%s: HW_OOB enabled\n", __FUNCTION__);
#else
	printf("%s: SW_OOB enabled\n", __FUNCTION__);
#endif
	SDLX_MSG(("%s OOB irq=%d flags=0x%X\n", __FUNCTION__,
		(int)bcmsdh_osinfo->oob_irq_num, (int)bcmsdh_osinfo->oob_irq_flags));
	bcmsdh_osinfo->oob_irq_handler = oob_irq_handler;
	bcmsdh_osinfo->oob_irq_handler_context = oob_irq_handler_context;
	bcmsdh_osinfo->oob_irq_enabled = TRUE;
	bcmsdh_osinfo->oob_irq_registered = TRUE;
#if defined(CONFIG_ARCH_ODIN)
	err = odin_gpio_sms_request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
		bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
#else
	err = request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
		bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
#endif /* defined(CONFIG_ARCH_ODIN) */
	if (err) {
		bcmsdh_osinfo->oob_irq_enabled = FALSE;
		bcmsdh_osinfo->oob_irq_registered = FALSE;
		SDLX_MSG(("%s: request_irq failed with %d\n", __FUNCTION__, err));
		return err;
	}

#if defined(DISABLE_WOWLAN)
	SDLX_MSG(("%s: disable_irq_wake\n", __FUNCTION__));
	bcmsdh_osinfo->oob_irq_wake_enabled = FALSE;
#else
	SDLX_MSG(("%s: enable_irq_wake\n", __FUNCTION__));
	err = enable_irq_wake(bcmsdh_osinfo->oob_irq_num);
	if (err)
		SDLX_MSG(("%s: enable_irq_wake failed with %d\n", __FUNCTION__, err));
	else
		bcmsdh_osinfo->oob_irq_wake_enabled = TRUE;
#endif

	return 0;
}

void bcmsdh_oob_intr_unregister(bcmsdh_info_t *bcmsdh)
{
	int err = 0;
	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;

	SDLX_MSG(("%s: Enter\n", __FUNCTION__));
	if (!bcmsdh_osinfo->oob_irq_registered) {
		SDLX_MSG(("%s: irq is not registered\n", __FUNCTION__));
		return;
	}
	if (bcmsdh_osinfo->oob_irq_wake_enabled) {
		err = disable_irq_wake(bcmsdh_osinfo->oob_irq_num);
		if (!err)
			bcmsdh_osinfo->oob_irq_wake_enabled = FALSE;
	}
	if (bcmsdh_osinfo->oob_irq_enabled) {
		disable_irq(bcmsdh_osinfo->oob_irq_num);
		bcmsdh_osinfo->oob_irq_enabled = FALSE;
	}
	free_irq(bcmsdh_osinfo->oob_irq_num, bcmsdh);
	bcmsdh_osinfo->oob_irq_registered = FALSE;
}
#endif 

/* Module parameters specific to each host-controller driver */

extern uint sd_msglevel;	/* Debug message level */
module_param(sd_msglevel, uint, 0);

extern uint sd_power;	/* 0 = SD Power OFF, 1 = SD Power ON. */
module_param(sd_power, uint, 0);

extern uint sd_clock;	/* SD Clock Control, 0 = SD Clock OFF, 1 = SD Clock ON */
module_param(sd_clock, uint, 0);

extern uint sd_divisor;	/* Divisor (-1 means external clock) */
module_param(sd_divisor, uint, 0);

extern uint sd_sdmode;	/* Default is SD4, 0=SPI, 1=SD1, 2=SD4 */
module_param(sd_sdmode, uint, 0);

extern uint sd_hiok;	/* Ok to use hi-speed mode */
module_param(sd_hiok, uint, 0);

extern uint sd_f2_blocksize;
module_param(sd_f2_blocksize, int, 0);

#ifdef BCMSDIOH_STD
extern int sd_uhsimode;
module_param(sd_uhsimode, int, 0);
extern uint sd_tuning_period;
module_param(sd_tuning_period, uint, 0);
extern int sd_delay_value;
module_param(sd_delay_value, uint, 0);

/* SDIO Drive Strength for UHSI mode specific to SDIO3.0 */
extern char dhd_sdiod_uhsi_ds_override[2];
module_param_string(dhd_sdiod_uhsi_ds_override, dhd_sdiod_uhsi_ds_override, 2, 0);

#endif

#ifdef BCMSDH_MODULE
EXPORT_SYMBOL(bcmsdh_attach);
EXPORT_SYMBOL(bcmsdh_detach);
EXPORT_SYMBOL(bcmsdh_intr_query);
EXPORT_SYMBOL(bcmsdh_intr_enable);
EXPORT_SYMBOL(bcmsdh_intr_disable);
EXPORT_SYMBOL(bcmsdh_intr_reg);
EXPORT_SYMBOL(bcmsdh_intr_dereg);

#if defined(DHD_DEBUG)
EXPORT_SYMBOL(bcmsdh_intr_pending);
#endif

EXPORT_SYMBOL(bcmsdh_devremove_reg);
EXPORT_SYMBOL(bcmsdh_cfg_read);
EXPORT_SYMBOL(bcmsdh_cfg_write);
EXPORT_SYMBOL(bcmsdh_cis_read);
EXPORT_SYMBOL(bcmsdh_reg_read);
EXPORT_SYMBOL(bcmsdh_reg_write);
EXPORT_SYMBOL(bcmsdh_regfail);
EXPORT_SYMBOL(bcmsdh_send_buf);
EXPORT_SYMBOL(bcmsdh_recv_buf);

EXPORT_SYMBOL(bcmsdh_rwdata);
EXPORT_SYMBOL(bcmsdh_abort);
EXPORT_SYMBOL(bcmsdh_query_device);
EXPORT_SYMBOL(bcmsdh_query_iofnum);
EXPORT_SYMBOL(bcmsdh_iovar_op);
EXPORT_SYMBOL(bcmsdh_register);
EXPORT_SYMBOL(bcmsdh_unregister);
EXPORT_SYMBOL(bcmsdh_chipmatch);
EXPORT_SYMBOL(bcmsdh_reset);
EXPORT_SYMBOL(bcmsdh_waitlockfree);

EXPORT_SYMBOL(bcmsdh_get_dstatus);
EXPORT_SYMBOL(bcmsdh_cfg_read_word);
EXPORT_SYMBOL(bcmsdh_cfg_write_word);
EXPORT_SYMBOL(bcmsdh_cur_sbwad);
EXPORT_SYMBOL(bcmsdh_chipinfo);

#endif /* BCMSDH_MODULE */
Commit	Line	Data
ef6a5fee RC	1	/*
	2	* SDIO access interface for drivers - linux specific (pci only)
	3	*
	4	* Copyright (C) 1999-2016, Broadcom Corporation
	5	*
	6	* Unless you and Broadcom execute a separate written software license
	7	* agreement governing use of this software, this software is licensed to you
	8	* under the terms of the GNU General Public License version 2 (the "GPL"),
	9	* available at http://www.broadcom.com/licenses/GPLv2.php, with the
	10	* following added to such license:
	11	*
	12	* As a special exception, the copyright holders of this software give you
	13	* permission to link this software with independent modules, and to copy and
	14	* distribute the resulting executable under terms of your choice, provided that
	15	* you also meet, for each linked independent module, the terms and conditions of
	16	* the license of that module. An independent module is a module which is not
	17	* derived from this software. The special exception does not apply to any
	18	* modifications of the software.
	19	*
	20	* Notwithstanding the above, under no circumstances may you combine this
	21	* software in any way with any other Broadcom software provided under a license
	22	* other than the GPL, without Broadcom's express prior written consent.
	23	*
	24	*
	25	* <<Broadcom-WL-IPTag/Open:>>
	26	*
	27	* $Id: bcmsdh_linux.c 514727 2014-11-12 03:02:48Z $
	28	*/
	29
	30	/**
	31	* @file bcmsdh_linux.c
	32	*/
	33
	34	#define __UNDEF_NO_VERSION__
	35
	36	#include <typedefs.h>
	37	#include <linuxver.h>
	38	#include <linux/pci.h>
	39	#include <linux/completion.h>
	40
	41	#include <osl.h>
	42	#include <pcicfg.h>
	43	#include <bcmdefs.h>
	44	#include <bcmdevs.h>
	45	#include <linux/irq.h>
	46	extern void dhdsdio_isr(void * args);
	47	#include <bcmutils.h>
	48	#include <dngl_stats.h>
	49	#include <dhd.h>
	50	#if defined(CONFIG_ARCH_ODIN)
	51	#include <linux/platform_data/gpio-odin.h>
	52	#endif /* defined(CONFIG_ARCH_ODIN) */
	53	#include <dhd_linux.h>
	54
	55	/* driver info, initialized when bcmsdh_register is called */
	56	static bcmsdh_driver_t drvinfo = {NULL, NULL, NULL, NULL};
	57
	58	typedef enum {
	59	DHD_INTR_INVALID = 0,
	60	DHD_INTR_INBAND,
	61	DHD_INTR_HWOOB,
	62	DHD_INTR_SWOOB
	63	} DHD_HOST_INTR_TYPE;
	64
65	/* the BCMSDH module comprises the generic part (bcmsdh.c) and OS specific layer (e.g.
66	* bcmsdh_linux.c). Put all OS specific variables (e.g. irq number and flags) here rather
67	* than in the common structure bcmsdh_info. bcmsdh_info only keeps a handle (os_ctx) to this
68	* structure.
69	*/
70	typedef struct bcmsdh_os_info {
71	DHD_HOST_INTR_TYPE intr_type;
72	int oob_irq_num; /* valid when hardware or software oob in use */
73	unsigned long oob_irq_flags; /* valid when hardware or software oob in use */
74	bool oob_irq_registered;
75	bool oob_irq_enabled;
76	bool oob_irq_wake_enabled;
77	spinlock_t oob_irq_spinlock;
78	bcmsdh_cb_fn_t oob_irq_handler;
79	void *oob_irq_handler_context;
80	void context; / context returned from upper layer */
81	void sdioh; / handle to lower layer (sdioh) */
82	void dev; / handle to the underlying device */
83	bool dev_wake_enabled;
84	} bcmsdh_os_info_t;
85
86	/* debugging macros */
87	#define SDLX_MSG(x) printf x
88
89	/**
90	* Checks to see if vendor and device IDs match a supported SDIO Host Controller.
91	*/
92	bool
93	bcmsdh_chipmatch(uint16 vendor, uint16 device)
94	{
95	/* Add other vendors and devices as required */
96
97	#ifdef BCMSDIOH_STD
98	/* Check for Arasan host controller */
99	if (vendor == VENDOR_SI_IMAGE) {
100	return (TRUE);
101	}
102	/* Check for BRCM 27XX Standard host controller */
103	if (device == BCM27XX_SDIOH_ID && vendor == VENDOR_BROADCOM) {
104	return (TRUE);
105	}
106	/* Check for BRCM Standard host controller */
107	if (device == SDIOH_FPGA_ID && vendor == VENDOR_BROADCOM) {
108	return (TRUE);
109	}
110	/* Check for TI PCIxx21 Standard host controller */
111	if (device == PCIXX21_SDIOH_ID && vendor == VENDOR_TI) {
112	return (TRUE);
113	}
114	if (device == PCIXX21_SDIOH0_ID && vendor == VENDOR_TI) {
115	return (TRUE);
116	}
117	/* Ricoh R5C822 Standard SDIO Host */
118	if (device == R5C822_SDIOH_ID && vendor == VENDOR_RICOH) {
119	return (TRUE);
120	}
121	/* JMicron Standard SDIO Host */
122	if (device == JMICRON_SDIOH_ID && vendor == VENDOR_JMICRON) {
123	return (TRUE);
124	}
125
126	#endif /* BCMSDIOH_STD */
127	#ifdef BCMSDIOH_SPI
128	/* This is the PciSpiHost. */
129	if (device == SPIH_FPGA_ID && vendor == VENDOR_BROADCOM) {
130	printf("Found PCI SPI Host Controller\n");
131	return (TRUE);
132	}
133
134	#endif /* BCMSDIOH_SPI */
135
136	return (FALSE);
137	}
138
139	void* bcmsdh_probe(osl_t osh, void dev, void sdioh, void adapter_info, uint bus_type,
140	uint bus_num, uint slot_num)
141	{
142	ulong regs;
143	bcmsdh_info_t *bcmsdh;
144	uint32 vendevid;
145	bcmsdh_os_info_t *bcmsdh_osinfo = NULL;
146
147	bcmsdh = bcmsdh_attach(osh, sdioh, &regs);
148	if (bcmsdh == NULL) {
149	SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__));
150	goto err;
151	}
152	bcmsdh_osinfo = MALLOC(osh, sizeof(bcmsdh_os_info_t));
153	if (bcmsdh_osinfo == NULL) {
154	SDLX_MSG(("%s: failed to allocate bcmsdh_os_info_t\n", __FUNCTION__));
155	goto err;
156	}
157	bzero((char *)bcmsdh_osinfo, sizeof(bcmsdh_os_info_t));
158	bcmsdh->os_cxt = bcmsdh_osinfo;
159	bcmsdh_osinfo->sdioh = sdioh;
160	bcmsdh_osinfo->dev = dev;
161	osl_set_bus_handle(osh, bcmsdh);
162
163	#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
164	if (dev && device_init_wakeup(dev, true) == 0)
165	bcmsdh_osinfo->dev_wake_enabled = TRUE;
166	#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */
167
168	#if defined(OOB_INTR_ONLY)
169	spin_lock_init(&bcmsdh_osinfo->oob_irq_spinlock);
170	/* Get customer specific OOB IRQ parametres: IRQ number as IRQ type */
171	bcmsdh_osinfo->oob_irq_num = wifi_platform_get_irq_number(adapter_info,
172	&bcmsdh_osinfo->oob_irq_flags);
173	if (bcmsdh_osinfo->oob_irq_num < 0) {
174	SDLX_MSG(("%s: Host OOB irq is not defined\n", __FUNCTION__));
175	goto err;
176	}
177	#endif /* defined(BCMLXSDMMC) */
178
179	/* Read the vendor/device ID from the CIS */
180	vendevid = bcmsdh_query_device(bcmsdh);
181	/* try to attach to the target device */
182	bcmsdh_osinfo->context = drvinfo.probe((vendevid >> 16), (vendevid & 0xFFFF), bus_num,
183	slot_num, 0, bus_type, (void *)regs, osh, bcmsdh);
184	if (bcmsdh_osinfo->context == NULL) {
185	SDLX_MSG(("%s: device attach failed\n", __FUNCTION__));
186	goto err;
187	}
188
189	return bcmsdh;
190
191	/* error handling */
192	err:
193	if (bcmsdh != NULL)
194	bcmsdh_detach(osh, bcmsdh);
195	if (bcmsdh_osinfo != NULL)
196	MFREE(osh, bcmsdh_osinfo, sizeof(bcmsdh_os_info_t));
197	return NULL;
198	}
199
200	int bcmsdh_remove(bcmsdh_info_t *bcmsdh)
201	{
202	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
203
204	#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
205	if (bcmsdh_osinfo->dev)
206	device_init_wakeup(bcmsdh_osinfo->dev, false);
207	bcmsdh_osinfo->dev_wake_enabled = FALSE;
208	#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */
209
210	drvinfo.remove(bcmsdh_osinfo->context);
211	MFREE(bcmsdh->osh, bcmsdh->os_cxt, sizeof(bcmsdh_os_info_t));
212	bcmsdh_detach(bcmsdh->osh, bcmsdh);
213
214	return 0;
215	}
216
217	int bcmsdh_suspend(bcmsdh_info_t *bcmsdh)
218	{
219	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
220
221	if (drvinfo.suspend && drvinfo.suspend(bcmsdh_osinfo->context))
222	return -EBUSY;
223	return 0;
224	}
225
226	int bcmsdh_resume(bcmsdh_info_t *bcmsdh)
227	{
228	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
229
230	if (drvinfo.resume)
231	return drvinfo.resume(bcmsdh_osinfo->context);
232	return 0;
233	}
234
235	extern int bcmsdh_register_client_driver(void);
236	extern void bcmsdh_unregister_client_driver(void);
237	extern int sdio_func_reg_notify(void* semaphore);
238	extern void sdio_func_unreg_notify(void);
239
240	#if defined(BCMLXSDMMC)
241	int bcmsdh_reg_sdio_notify(void* semaphore)
242	{
243	return sdio_func_reg_notify(semaphore);
244	}
245
246	void bcmsdh_unreg_sdio_notify(void)
247	{
248	sdio_func_unreg_notify();
249	}
250	#endif /* defined(BCMLXSDMMC) */
251
252	int
253	bcmsdh_register(bcmsdh_driver_t *driver)
254	{
255	int error = 0;
256
257	drvinfo = *driver;
258	SDLX_MSG(("%s: register client driver\n", __FUNCTION__));
259	error = bcmsdh_register_client_driver();
260	if (error)
261	SDLX_MSG(("%s: failed %d\n", __FUNCTION__, error));
262
263	return error;
264	}
265
266	void
267	bcmsdh_unregister(void)
268	{
269	#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0))
270	if (bcmsdh_pci_driver.node.next == NULL)
271	return;
272	#endif
273
274	bcmsdh_unregister_client_driver();
275	}
276
277	void bcmsdh_dev_pm_stay_awake(bcmsdh_info_t *bcmsdh)
278	{
279	#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
280	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
281	pm_stay_awake(bcmsdh_osinfo->dev);
282	#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */
283	}
284
285	void bcmsdh_dev_relax(bcmsdh_info_t *bcmsdh)
286	{
287	#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
288	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
289	pm_relax(bcmsdh_osinfo->dev);
290	#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */
291	}
292
293	bool bcmsdh_dev_pm_enabled(bcmsdh_info_t *bcmsdh)
294	{
295	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
296
297	return bcmsdh_osinfo->dev_wake_enabled;
298	}
299
300	#if defined(OOB_INTR_ONLY)
301	void bcmsdh_oob_intr_set(bcmsdh_info_t *bcmsdh, bool enable)
302	{
303	unsigned long flags;
304	bcmsdh_os_info_t *bcmsdh_osinfo;
305
306	if (!bcmsdh)
307	return;
308
309	bcmsdh_osinfo = bcmsdh->os_cxt;
310	spin_lock_irqsave(&bcmsdh_osinfo->oob_irq_spinlock, flags);
311	if (bcmsdh_osinfo->oob_irq_enabled != enable) {
312	if (enable)
313	enable_irq(bcmsdh_osinfo->oob_irq_num);
314	else
315	disable_irq_nosync(bcmsdh_osinfo->oob_irq_num);
316	bcmsdh_osinfo->oob_irq_enabled = enable;
317	}
318	spin_unlock_irqrestore(&bcmsdh_osinfo->oob_irq_spinlock, flags);
319	}
320
321	static irqreturn_t wlan_oob_irq(int irq, void *dev_id)
322	{
323	bcmsdh_info_t bcmsdh = (bcmsdh_info_t )dev_id;
324	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
08dfb6c4	325
ef6a5fee RC	326	bcmsdh_oob_intr_set(bcmsdh, FALSE);
	327	bcmsdh_osinfo->oob_irq_handler(bcmsdh_osinfo->oob_irq_handler_context);
	328
	329	return IRQ_HANDLED;
	330	}
	331
	332	int bcmsdh_oob_intr_register(bcmsdh_info_t *bcmsdh, bcmsdh_cb_fn_t oob_irq_handler,
	333	void* oob_irq_handler_context)
	334	{
	335	int err = 0;
	336	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
	337
	338	SDLX_MSG(("%s: Enter\n", __FUNCTION__));
	339	if (bcmsdh_osinfo->oob_irq_registered) {
	340	SDLX_MSG(("%s: irq is already registered\n", __FUNCTION__));
	341	return -EBUSY;
	342	}
	343	#ifdef HW_OOB
	344	printf("%s: HW_OOB enabled\n", __FUNCTION__);
	345	#else
	346	printf("%s: SW_OOB enabled\n", __FUNCTION__);
	347	#endif
08dfb6c4 RC	348	SDLX_MSG(("%s OOB irq=%d flags=0x%X\n", __FUNCTION__,
08dfb6c4 RC	349	(int)bcmsdh_osinfo->oob_irq_num, (int)bcmsdh_osinfo->oob_irq_flags));
ef6a5fee RC	350	bcmsdh_osinfo->oob_irq_handler = oob_irq_handler;
	351	bcmsdh_osinfo->oob_irq_handler_context = oob_irq_handler_context;
	352	bcmsdh_osinfo->oob_irq_enabled = TRUE;
	353	bcmsdh_osinfo->oob_irq_registered = TRUE;
	354	#if defined(CONFIG_ARCH_ODIN)
	355	err = odin_gpio_sms_request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
	356	bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
	357	#else
	358	err = request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
	359	bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
	360	#endif /* defined(CONFIG_ARCH_ODIN) */
	361	if (err) {
	362	bcmsdh_osinfo->oob_irq_enabled = FALSE;
	363	bcmsdh_osinfo->oob_irq_registered = FALSE;
	364	SDLX_MSG(("%s: request_irq failed with %d\n", __FUNCTION__, err));
	365	return err;
	366	}
	367
	368	#if defined(DISABLE_WOWLAN)
	369	SDLX_MSG(("%s: disable_irq_wake\n", __FUNCTION__));
	370	bcmsdh_osinfo->oob_irq_wake_enabled = FALSE;
	371	#else
	372	SDLX_MSG(("%s: enable_irq_wake\n", __FUNCTION__));
	373	err = enable_irq_wake(bcmsdh_osinfo->oob_irq_num);
	374	if (err)
	375	SDLX_MSG(("%s: enable_irq_wake failed with %d\n", __FUNCTION__, err));
	376	else
	377	bcmsdh_osinfo->oob_irq_wake_enabled = TRUE;
	378	#endif
	379
	380	return 0;
	381	}
	382
	383	void bcmsdh_oob_intr_unregister(bcmsdh_info_t *bcmsdh)
	384	{
	385	int err = 0;
	386	bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
	387
	388	SDLX_MSG(("%s: Enter\n", __FUNCTION__));
	389	if (!bcmsdh_osinfo->oob_irq_registered) {
	390	SDLX_MSG(("%s: irq is not registered\n", __FUNCTION__));
	391	return;
	392	}
	393	if (bcmsdh_osinfo->oob_irq_wake_enabled) {
	394	err = disable_irq_wake(bcmsdh_osinfo->oob_irq_num);
	395	if (!err)
	396	bcmsdh_osinfo->oob_irq_wake_enabled = FALSE;
	397	}
	398	if (bcmsdh_osinfo->oob_irq_enabled) {
	399	disable_irq(bcmsdh_osinfo->oob_irq_num);
	400	bcmsdh_osinfo->oob_irq_enabled = FALSE;
	401	}
	402	free_irq(bcmsdh_osinfo->oob_irq_num, bcmsdh);
	403	bcmsdh_osinfo->oob_irq_registered = FALSE;
	404	}
	405	#endif
	406
	407	/* Module parameters specific to each host-controller driver */
	408
	409	extern uint sd_msglevel; /* Debug message level */
	410	module_param(sd_msglevel, uint, 0);
	411
	412	extern uint sd_power; /* 0 = SD Power OFF, 1 = SD Power ON. */
	413	module_param(sd_power, uint, 0);
414
415	extern uint sd_clock; /* SD Clock Control, 0 = SD Clock OFF, 1 = SD Clock ON */
416	module_param(sd_clock, uint, 0);
417
418	extern uint sd_divisor; /* Divisor (-1 means external clock) */
419	module_param(sd_divisor, uint, 0);
420
421	extern uint sd_sdmode; /* Default is SD4, 0=SPI, 1=SD1, 2=SD4 */
422	module_param(sd_sdmode, uint, 0);
423
424	extern uint sd_hiok; /* Ok to use hi-speed mode */
425	module_param(sd_hiok, uint, 0);
426
427	extern uint sd_f2_blocksize;
428	module_param(sd_f2_blocksize, int, 0);
429
430	#ifdef BCMSDIOH_STD
431	extern int sd_uhsimode;
432	module_param(sd_uhsimode, int, 0);
433	extern uint sd_tuning_period;
434	module_param(sd_tuning_period, uint, 0);
435	extern int sd_delay_value;
436	module_param(sd_delay_value, uint, 0);
437
438	/* SDIO Drive Strength for UHSI mode specific to SDIO3.0 */
439	extern char dhd_sdiod_uhsi_ds_override[2];
440	module_param_string(dhd_sdiod_uhsi_ds_override, dhd_sdiod_uhsi_ds_override, 2, 0);
441
442	#endif
443
444	#ifdef BCMSDH_MODULE
445	EXPORT_SYMBOL(bcmsdh_attach);
446	EXPORT_SYMBOL(bcmsdh_detach);
447	EXPORT_SYMBOL(bcmsdh_intr_query);
448	EXPORT_SYMBOL(bcmsdh_intr_enable);
449	EXPORT_SYMBOL(bcmsdh_intr_disable);
450	EXPORT_SYMBOL(bcmsdh_intr_reg);
451	EXPORT_SYMBOL(bcmsdh_intr_dereg);
452
453	#if defined(DHD_DEBUG)
454	EXPORT_SYMBOL(bcmsdh_intr_pending);
455	#endif
456
457	EXPORT_SYMBOL(bcmsdh_devremove_reg);
458	EXPORT_SYMBOL(bcmsdh_cfg_read);
459	EXPORT_SYMBOL(bcmsdh_cfg_write);
460	EXPORT_SYMBOL(bcmsdh_cis_read);
461	EXPORT_SYMBOL(bcmsdh_reg_read);
462	EXPORT_SYMBOL(bcmsdh_reg_write);
463	EXPORT_SYMBOL(bcmsdh_regfail);
464	EXPORT_SYMBOL(bcmsdh_send_buf);
465	EXPORT_SYMBOL(bcmsdh_recv_buf);
466
467	EXPORT_SYMBOL(bcmsdh_rwdata);
468	EXPORT_SYMBOL(bcmsdh_abort);
469	EXPORT_SYMBOL(bcmsdh_query_device);
470	EXPORT_SYMBOL(bcmsdh_query_iofnum);
471	EXPORT_SYMBOL(bcmsdh_iovar_op);
472	EXPORT_SYMBOL(bcmsdh_register);
473	EXPORT_SYMBOL(bcmsdh_unregister);
474	EXPORT_SYMBOL(bcmsdh_chipmatch);
475	EXPORT_SYMBOL(bcmsdh_reset);
476	EXPORT_SYMBOL(bcmsdh_waitlockfree);
477
478	EXPORT_SYMBOL(bcmsdh_get_dstatus);
479	EXPORT_SYMBOL(bcmsdh_cfg_read_word);
480	EXPORT_SYMBOL(bcmsdh_cfg_write_word);
481	EXPORT_SYMBOL(bcmsdh_cur_sbwad);
482	EXPORT_SYMBOL(bcmsdh_chipinfo);
483
484	#endif /* BCMSDH_MODULE */