[deliverable/linux.git] / drivers / staging / brcm80211 / brcmfmac / bcmsdh.c

/*
 * Copyright (c) 2010 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
/* ****************** SDIO CARD Interface Functions **************************/

#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/pci_ids.h>
#include <linux/sched.h>

#include <defs.h>
#include <brcm_hw_ids.h>
#include <brcmu_utils.h>
#include <brcmu_wifi.h>
#include <soc.h>
#include "bcmsdbus.h"		/* common SDIO/controller interface */
#include "sbsdio.h"		/* BRCM sdio device core */
#include "dngl_stats.h"
#include "dhd.h"

#define SDIOH_API_ACCESS_RETRY_LIMIT	2

#define BRCMF_SD_ERROR_VAL	0x0001	/* Error */
#define BRCMF_SD_INFO_VAL		0x0002	/* Info */

#ifdef BCMDBG
#define BRCMF_SD_ERROR(x) \
	do { \
		if ((brcmf_sdio_msglevel & BRCMF_SD_ERROR_VAL) && \
		    net_ratelimit()) \
			printk x; \
	} while (0)
#define BRCMF_SD_INFO(x)	\
	do { \
		if ((brcmf_sdio_msglevel & BRCMF_SD_INFO_VAL) && \
		    net_ratelimit()) \
			printk x; \
	} while (0)
#else				/* BCMDBG */
#define BRCMF_SD_ERROR(x)
#define BRCMF_SD_INFO(x)
#endif				/* BCMDBG */

const uint brcmf_sdio_msglevel = BRCMF_SD_ERROR_VAL;

struct brcmf_sdio_card {
	bool init_success;	/* underlying driver successfully attached */
	void *sdioh;		/* handler for sdioh */
	u32 vendevid;	/* Target Vendor and Device ID on SD bus */
	bool regfail;		/* Save status of last
				 reg_read/reg_write call */
	u32 sbwad;		/* Save backplane window address */
};
/* local copy of bcm sd handler */
static struct brcmf_sdio_card *l_card;

struct brcmf_sdio_card*
brcmf_sdcard_attach(void *cfghdl, void **regsva, uint irq)
{
	struct brcmf_sdio_card *card;

	card = kzalloc(sizeof(struct brcmf_sdio_card), GFP_ATOMIC);
	if (card == NULL) {
		BRCMF_SD_ERROR(("sdcard_attach: out of memory"));
		return NULL;
	}

	/* save the handler locally */
	l_card = card;

	card->sdioh = brcmf_sdioh_attach(cfghdl, irq);
	if (!card->sdioh) {
		brcmf_sdcard_detach(card);
		return NULL;
	}

	card->init_success = true;

	*regsva = (u32 *) SI_ENUM_BASE;

	/* Report the BAR, to fix if needed */
	card->sbwad = SI_ENUM_BASE;
	return card;
}

int brcmf_sdcard_detach(struct brcmf_sdio_card *card)
{
	if (card != NULL) {
		if (card->sdioh) {
			brcmf_sdioh_detach(card->sdioh);
			card->sdioh = NULL;
		}
		kfree(card);
	}

	l_card = NULL;
	return 0;
}

int
brcmf_sdcard_iovar_op(struct brcmf_sdio_card *card, const char *name,
		void *params, int plen, void *arg, int len, bool set)
{
	return brcmf_sdioh_iovar_op(card->sdioh, name, params, plen, arg,
				    len, set);
}

int brcmf_sdcard_intr_enable(struct brcmf_sdio_card *card)
{
	ASSERT(card);

	return brcmf_sdioh_interrupt_set(card->sdioh, true);
}

int brcmf_sdcard_intr_disable(struct brcmf_sdio_card *card)
{
	ASSERT(card);

	return brcmf_sdioh_interrupt_set(card->sdioh, false);
}

int brcmf_sdcard_intr_reg(struct brcmf_sdio_card *card,
			  void (*fn)(void *), void *argh)
{
	ASSERT(card);

	return brcmf_sdioh_interrupt_register(card->sdioh, fn, argh);
}

int brcmf_sdcard_intr_dereg(struct brcmf_sdio_card *card)
{
	ASSERT(card);

	return brcmf_sdioh_interrupt_deregister(card->sdioh);
}

u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_card *card, uint fnc_num, u32 addr,
			 int *err)
{
	int status;
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	s32 retry = 0;
#endif
	u8 data = 0;

	if (!card)
		card = l_card;

	ASSERT(card->init_success);

#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	do {
		if (retry)	/* wait for 1 ms till bus get settled down */
			udelay(1000);
#endif
		status =
		    brcmf_sdioh_cfg_read(card->sdioh, fnc_num, addr,
				   (u8 *) &data);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	} while (status != 0
		 && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
#endif
	if (err)
		*err = status;

	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
		     __func__, fnc_num, addr, data));

	return data;
}

void
brcmf_sdcard_cfg_write(struct brcmf_sdio_card *card, uint fnc_num, u32 addr,
		       u8 data, int *err)
{
	int status;
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	s32 retry = 0;
#endif

	if (!card)
		card = l_card;

	ASSERT(card->init_success);

#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	do {
		if (retry)	/* wait for 1 ms till bus get settled down */
			udelay(1000);
#endif
		status =
		    brcmf_sdioh_cfg_write(card->sdioh, fnc_num, addr,
				    (u8 *) &data);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	} while (status != 0
		 && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
#endif
	if (err)
		*err = status;

	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
		     __func__, fnc_num, addr, data));
}

u32 brcmf_sdcard_cfg_read_word(struct brcmf_sdio_card *card, uint fnc_num,
			       u32 addr, int *err)
{
	int status;
	u32 data = 0;

	if (!card)
		card = l_card;

	ASSERT(card->init_success);

	status = brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
		SDIOH_READ, fnc_num, addr, &data, 4);

	if (err)
		*err = status;

	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
		     __func__, fnc_num, addr, data));

	return data;
}

void
brcmf_sdcard_cfg_write_word(struct brcmf_sdio_card *card, uint fnc_num,
			    u32 addr, u32 data, int *err)
{
	int status;

	if (!card)
		card = l_card;

	ASSERT(card->init_success);

	status =
	    brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
			       SDIOH_WRITE, fnc_num, addr, &data, 4);

	if (err)
		*err = status;

	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
		     __func__, fnc_num, addr, data));
}

int brcmf_sdcard_cis_read(struct brcmf_sdio_card *card, uint func, u8 * cis,
			  uint length)
{
	int status;

	u8 *tmp_buf, *tmp_ptr;
	u8 *ptr;
	bool ascii = func & ~0xf;
	func &= 0x7;

	if (!card)
		card = l_card;

	ASSERT(card->init_success);
	ASSERT(cis);
	ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT);

	status = brcmf_sdioh_cis_read(card->sdioh, func, cis, length);

	if (ascii) {
		/* Move binary bits to tmp and format them
			 into the provided buffer. */
		tmp_buf = kmalloc(length, GFP_ATOMIC);
		if (tmp_buf == NULL) {
			BRCMF_SD_ERROR(("%s: out of memory\n", __func__));
			return -ENOMEM;
		}
		memcpy(tmp_buf, cis, length);
		for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4);
		     tmp_ptr++) {
			ptr += sprintf((char *)ptr, "%.2x ", *tmp_ptr & 0xff);
			if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0)
				ptr += sprintf((char *)ptr, "\n");
		}
		kfree(tmp_buf);
	}

	return status;
}

static int
brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_card *card, u32 address)
{
	int err = 0;
	brcmf_sdcard_cfg_write(card, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
			 (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
	if (!err)
		brcmf_sdcard_cfg_write(card, SDIO_FUNC_1,
				       SBSDIO_FUNC1_SBADDRMID,
				       (address >> 16) & SBSDIO_SBADDRMID_MASK,
				       &err);
	if (!err)
		brcmf_sdcard_cfg_write(card, SDIO_FUNC_1,
				       SBSDIO_FUNC1_SBADDRHIGH,
				       (address >> 24) & SBSDIO_SBADDRHIGH_MASK,
				       &err);

	return err;
}

u32 brcmf_sdcard_reg_read(struct brcmf_sdio_card *card, u32 addr, uint size)
{
	int status;
	u32 word = 0;
	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;

	BRCMF_SD_INFO(("%s:fun = 1, addr = 0x%x, ", __func__, addr));

	if (!card)
		card = l_card;

	ASSERT(card->init_success);

	if (bar0 != card->sbwad) {
		if (brcmf_sdcard_set_sbaddr_window(card, bar0))
			return 0xFFFFFFFF;

		card->sbwad = bar0;
	}

	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	if (size == 4)
		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;

	status = brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
				    SDIOH_READ, SDIO_FUNC_1, addr, &word, size);

	card->regfail = (status != 0);

	BRCMF_SD_INFO(("u32data = 0x%x\n", word));

	/* if ok, return appropriately masked word */
	if (status == 0) {
		switch (size) {
		case sizeof(u8):
			return word & 0xff;
		case sizeof(u16):
			return word & 0xffff;
		case sizeof(u32):
			return word;
		default:
			card->regfail = true;

		}
	}

	/* otherwise, bad sdio access or invalid size */
	BRCMF_SD_ERROR(("%s: error reading addr 0x%04x size %d\n", __func__,
		      addr, size));
	return 0xFFFFFFFF;
}

u32 brcmf_sdcard_reg_write(struct brcmf_sdio_card *card, u32 addr, uint size,
			   u32 data)
{
	int status;
	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
	int err = 0;

	BRCMF_SD_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
		     __func__, addr, size * 8, data));

	if (!card)
		card = l_card;

	ASSERT(card->init_success);

	if (bar0 != card->sbwad) {
		err = brcmf_sdcard_set_sbaddr_window(card, bar0);
		if (err)
			return err;

		card->sbwad = bar0;
	}

	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	if (size == 4)
		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
	status =
	    brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
			       SDIOH_WRITE, SDIO_FUNC_1, addr, &data, size);
	card->regfail = (status != 0);

	if (status == 0)
		return 0;

	BRCMF_SD_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
		      __func__, data, addr, size));
	return 0xFFFFFFFF;
}

bool brcmf_sdcard_regfail(struct brcmf_sdio_card *card)
{
	return card->regfail;
}

int
brcmf_sdcard_recv_buf(struct brcmf_sdio_card *card, u32 addr, uint fn,
		      uint flags,
		      u8 *buf, uint nbytes, struct sk_buff *pkt,
		      void (*complete)(void *handle, int status,
				       bool sync_waiting),
		      void *handle)
{
	int status;
	uint incr_fix;
	uint width;
	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
	int err = 0;

	ASSERT(card);
	ASSERT(card->init_success);

	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
		     __func__, fn, addr, nbytes));

	/* Async not implemented yet */
	ASSERT(!(flags & SDIO_REQ_ASYNC));
	if (flags & SDIO_REQ_ASYNC)
		return -ENOTSUPP;

	if (bar0 != card->sbwad) {
		err = brcmf_sdcard_set_sbaddr_window(card, bar0);
		if (err)
			return err;

		card->sbwad = bar0;
	}

	addr &= SBSDIO_SB_OFT_ADDR_MASK;

	incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
	width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
	if (width == 4)
		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;

	status = brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
		incr_fix, SDIOH_READ, fn, addr, width, nbytes, buf, pkt);

	return status;
}

int
brcmf_sdcard_send_buf(struct brcmf_sdio_card *card, u32 addr, uint fn,
		      uint flags, u8 *buf, uint nbytes, void *pkt,
		      void (*complete)(void *handle, int status,
				       bool sync_waiting),
		      void *handle)
{
	uint incr_fix;
	uint width;
	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
	int err = 0;

	ASSERT(card);
	ASSERT(card->init_success);

	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
		     __func__, fn, addr, nbytes));

	/* Async not implemented yet */
	ASSERT(!(flags & SDIO_REQ_ASYNC));
	if (flags & SDIO_REQ_ASYNC)
		return -ENOTSUPP;

	if (bar0 != card->sbwad) {
		err = brcmf_sdcard_set_sbaddr_window(card, bar0);
		if (err)
			return err;

		card->sbwad = bar0;
	}

	addr &= SBSDIO_SB_OFT_ADDR_MASK;

	incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
	width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
	if (width == 4)
		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;

	return brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
		incr_fix, SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt);
}

int brcmf_sdcard_rwdata(struct brcmf_sdio_card *card, uint rw, u32 addr,
			u8 *buf, uint nbytes)
{
	ASSERT(card);
	ASSERT(card->init_success);
	ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0);

	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;

	return brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
		SDIOH_DATA_INC, (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
		addr, 4, nbytes, buf, NULL);
}

int brcmf_sdcard_abort(struct brcmf_sdio_card *card, uint fn)
{
	return brcmf_sdioh_abort(card->sdioh, fn);
}

int brcmf_sdcard_query_device(struct brcmf_sdio_card *card)
{
	card->vendevid = (PCI_VENDOR_ID_BROADCOM << 16) | 0;
	return card->vendevid;
}

u32 brcmf_sdcard_cur_sbwad(struct brcmf_sdio_card *card)
{
	if (!card)
		card = l_card;

	return card->sbwad;
}
Commit	Line	Data
cf2b4488 HP	1	/*
	2	* Copyright (c) 2010 Broadcom Corporation
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	11	* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
	13	* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
	14	* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
127aa5cf	16	/* **************** SDIO CARD Interface Functions ************************/
cf2b4488	17
a1c16ed2	18	#include <linux/types.h>
c6ac24e9	19	#include <linux/netdevice.h>
be1c09f9	20	#include <linux/pci_ids.h>
7c6100ee	21	#include <linux/sched.h>
c4daa849	22
cc3cea5a RV	23	#include <defs.h>
cc3cea5a RV	24	#include <brcm_hw_ids.h>
f97e956a RV	25	#include <brcmu_utils.h>
f97e956a RV	26	#include <brcmu_wifi.h>
cc3cea5a	27	#include <soc.h>
c4daa849 RV	28	#include "bcmsdbus.h" /* common SDIO/controller interface */
c4daa849 RV	29	#include "sbsdio.h" /* BRCM sdio device core */
13f401cb RV	30	#include "dngl_stats.h"
13f401cb RV	31	#include "dhd.h"
cf2b4488 HP	32
cf2b4488 HP	33	#define SDIOH_API_ACCESS_RETRY_LIMIT 2
621beaff RV	34
	35	#define BRCMF_SD_ERROR_VAL 0x0001 /* Error */
	36	#define BRCMF_SD_INFO_VAL 0x0002 /* Info */
	37
	38	#ifdef BCMDBG
	39	#define BRCMF_SD_ERROR(x) \
	40	do { \
	41	if ((brcmf_sdio_msglevel & BRCMF_SD_ERROR_VAL) && \
	42	net_ratelimit()) \
	43	printk x; \
	44	} while (0)
	45	#define BRCMF_SD_INFO(x) \
	46	do { \
	47	if ((brcmf_sdio_msglevel & BRCMF_SD_INFO_VAL) && \
	48	net_ratelimit()) \
	49	printk x; \
	50	} while (0)
	51	#else /* BCMDBG */
	52	#define BRCMF_SD_ERROR(x)
	53	#define BRCMF_SD_INFO(x)
	54	#endif /* BCMDBG */
	55
62dd656d	56	const uint brcmf_sdio_msglevel = BRCMF_SD_ERROR_VAL;
cf2b4488	57
127aa5cf	58	struct brcmf_sdio_card {
cf2b4488 HP	59	bool init_success; /* underlying driver successfully attached */
cf2b4488 HP	60	void sdioh; / handler for sdioh */
66cbd3ab	61	u32 vendevid; /* Target Vendor and Device ID on SD bus */
cf2b4488 HP	62	bool regfail; /* Save status of last
cf2b4488 HP	63	reg_read/reg_write call */
66cbd3ab	64	u32 sbwad; /* Save backplane window address */
cf2b4488 HP	65	};
cf2b4488 HP	66	/* local copy of bcm sd handler */
127aa5cf	67	static struct brcmf_sdio_card *l_card;
cf2b4488	68
127aa5cf RV	69	struct brcmf_sdio_card*
127aa5cf RV	70	brcmf_sdcard_attach(void cfghdl, void *regsva, uint irq)
cf2b4488	71	{
127aa5cf	72	struct brcmf_sdio_card *card;
cf2b4488	73
127aa5cf	74	card = kzalloc(sizeof(struct brcmf_sdio_card), GFP_ATOMIC);
62dd656d RV	75	if (card == NULL) {
62dd656d RV	76	BRCMF_SD_ERROR(("sdcard_attach: out of memory"));
cf2b4488 HP	77	return NULL;
cf2b4488 HP	78	}
cf2b4488 HP	79
cf2b4488 HP	80	/* save the handler locally */
62dd656d	81	l_card = card;
cf2b4488	82
62dd656d RV	83	card->sdioh = brcmf_sdioh_attach(cfghdl, irq);
	84	if (!card->sdioh) {
	85	brcmf_sdcard_detach(card);
cf2b4488 HP	86	return NULL;
	87	}
	88
62dd656d	89	card->init_success = true;
cf2b4488	90
66cbd3ab	91	regsva = (u32 ) SI_ENUM_BASE;
cf2b4488 HP	92
cf2b4488 HP	93	/* Report the BAR, to fix if needed */
62dd656d RV	94	card->sbwad = SI_ENUM_BASE;
62dd656d RV	95	return card;
cf2b4488 HP	96	}
cf2b4488 HP	97
127aa5cf	98	int brcmf_sdcard_detach(struct brcmf_sdio_card *card)
cf2b4488	99	{
62dd656d RV	100	if (card != NULL) {
	101	if (card->sdioh) {
	102	brcmf_sdioh_detach(card->sdioh);
	103	card->sdioh = NULL;
cf2b4488	104	}
62dd656d	105	kfree(card);
cf2b4488 HP	106	}
cf2b4488 HP	107
62dd656d	108	l_card = NULL;
cf2b4488 HP	109	return 0;
	110	}
	111
	112	int
127aa5cf	113	brcmf_sdcard_iovar_op(struct brcmf_sdio_card card, const char name,
cf2b4488 HP	114	void params, int plen, void arg, int len, bool set)
cf2b4488 HP	115	{
62dd656d	116	return brcmf_sdioh_iovar_op(card->sdioh, name, params, plen, arg,
54ca2969	117	len, set);
cf2b4488 HP	118	}
cf2b4488 HP	119
127aa5cf	120	int brcmf_sdcard_intr_enable(struct brcmf_sdio_card *card)
cf2b4488	121	{
62dd656d	122	ASSERT(card);
cf2b4488	123
62dd656d	124	return brcmf_sdioh_interrupt_set(card->sdioh, true);
cf2b4488 HP	125	}
cf2b4488 HP	126
127aa5cf	127	int brcmf_sdcard_intr_disable(struct brcmf_sdio_card *card)
cf2b4488	128	{
62dd656d	129	ASSERT(card);
cf2b4488	130
62dd656d	131	return brcmf_sdioh_interrupt_set(card->sdioh, false);
cf2b4488 HP	132	}
cf2b4488 HP	133
127aa5cf	134	int brcmf_sdcard_intr_reg(struct brcmf_sdio_card *card,
63bec49e	135	void (fn)(void ), void *argh)
cf2b4488	136	{
62dd656d	137	ASSERT(card);
cf2b4488	138
62dd656d	139	return brcmf_sdioh_interrupt_register(card->sdioh, fn, argh);
cf2b4488 HP	140	}
cf2b4488 HP	141
127aa5cf	142	int brcmf_sdcard_intr_dereg(struct brcmf_sdio_card *card)
cf2b4488	143	{
62dd656d	144	ASSERT(card);
cf2b4488	145
62dd656d	146	return brcmf_sdioh_interrupt_deregister(card->sdioh);
cf2b4488 HP	147	}
cf2b4488 HP	148
127aa5cf RV	149	u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_card *card, uint fnc_num, u32 addr,
127aa5cf RV	150	int *err)
cf2b4488	151	{
3c793822	152	int status;
cf2b4488	153	#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
3e26416e	154	s32 retry = 0;
cf2b4488	155	#endif
3fd79f7c	156	u8 data = 0;
cf2b4488	157
62dd656d RV	158	if (!card)
62dd656d RV	159	card = l_card;
cf2b4488	160
62dd656d	161	ASSERT(card->init_success);
cf2b4488 HP	162
	163	#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	164	do {
	165	if (retry) /* wait for 1 ms till bus get settled down */
7383141b	166	udelay(1000);
cf2b4488 HP	167	#endif
cf2b4488 HP	168	status =
62dd656d	169	brcmf_sdioh_cfg_read(card->sdioh, fnc_num, addr,
3fd79f7c	170	(u8 *) &data);
cf2b4488	171	#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
67f72bef	172	} while (status != 0
cf2b4488 HP	173	&& (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
	174	#endif
	175	if (err)
67f72bef	176	*err = status;
cf2b4488	177
62dd656d	178	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
cf2b4488 HP	179	__func__, fnc_num, addr, data));
	180
	181	return data;
	182	}
	183
	184	void
127aa5cf RV	185	brcmf_sdcard_cfg_write(struct brcmf_sdio_card *card, uint fnc_num, u32 addr,
127aa5cf RV	186	u8 data, int *err)
cf2b4488	187	{
3c793822	188	int status;
cf2b4488	189	#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
3e26416e	190	s32 retry = 0;
cf2b4488 HP	191	#endif
cf2b4488 HP	192
62dd656d RV	193	if (!card)
62dd656d RV	194	card = l_card;
cf2b4488	195
62dd656d	196	ASSERT(card->init_success);
cf2b4488 HP	197
	198	#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
	199	do {
	200	if (retry) /* wait for 1 ms till bus get settled down */
7383141b	201	udelay(1000);
cf2b4488 HP	202	#endif
cf2b4488 HP	203	status =
62dd656d	204	brcmf_sdioh_cfg_write(card->sdioh, fnc_num, addr,
3fd79f7c	205	(u8 *) &data);
cf2b4488	206	#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
67f72bef	207	} while (status != 0
cf2b4488 HP	208	&& (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
	209	#endif
	210	if (err)
67f72bef	211	*err = status;
cf2b4488	212
62dd656d	213	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
cf2b4488 HP	214	__func__, fnc_num, addr, data));
	215	}
	216
127aa5cf RV	217	u32 brcmf_sdcard_cfg_read_word(struct brcmf_sdio_card *card, uint fnc_num,
127aa5cf RV	218	u32 addr, int *err)
cf2b4488	219	{
3c793822	220	int status;
66cbd3ab	221	u32 data = 0;
cf2b4488	222
62dd656d RV	223	if (!card)
62dd656d RV	224	card = l_card;
cf2b4488	225
62dd656d	226	ASSERT(card->init_success);
cf2b4488	227
62dd656d	228	status = brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
54ca2969	229	SDIOH_READ, fnc_num, addr, &data, 4);
cf2b4488 HP	230
cf2b4488 HP	231	if (err)
67f72bef	232	*err = status;
cf2b4488	233
62dd656d	234	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
cf2b4488 HP	235	__func__, fnc_num, addr, data));
	236
	237	return data;
	238	}
	239
	240	void
127aa5cf RV	241	brcmf_sdcard_cfg_write_word(struct brcmf_sdio_card *card, uint fnc_num,
127aa5cf RV	242	u32 addr, u32 data, int *err)
cf2b4488	243	{
3c793822	244	int status;
cf2b4488	245
62dd656d RV	246	if (!card)
62dd656d RV	247	card = l_card;
cf2b4488	248
62dd656d	249	ASSERT(card->init_success);
cf2b4488 HP	250
cf2b4488 HP	251	status =
62dd656d	252	brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
cf2b4488 HP	253	SDIOH_WRITE, fnc_num, addr, &data, 4);
	254
	255	if (err)
67f72bef	256	*err = status;
cf2b4488	257
62dd656d	258	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
cf2b4488 HP	259	__func__, fnc_num, addr, data));
	260	}
	261
127aa5cf RV	262	int brcmf_sdcard_cis_read(struct brcmf_sdio_card card, uint func, u8 cis,
127aa5cf RV	263	uint length)
cf2b4488	264	{
3c793822	265	int status;
cf2b4488	266
3fd79f7c GKH	267	u8 tmp_buf, tmp_ptr;
3fd79f7c GKH	268	u8 *ptr;
cf2b4488 HP	269	bool ascii = func & ~0xf;
	270	func &= 0x7;
	271
62dd656d RV	272	if (!card)
62dd656d RV	273	card = l_card;
cf2b4488	274
62dd656d	275	ASSERT(card->init_success);
cf2b4488 HP	276	ASSERT(cis);
	277	ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT);
	278
62dd656d	279	status = brcmf_sdioh_cis_read(card->sdioh, func, cis, length);
cf2b4488 HP	280
	281	if (ascii) {
	282	/* Move binary bits to tmp and format them
	283	into the provided buffer. */
5fcc1fcb	284	tmp_buf = kmalloc(length, GFP_ATOMIC);
c74c95cd	285	if (tmp_buf == NULL) {
62dd656d	286	BRCMF_SD_ERROR(("%s: out of memory\n", __func__));
e10d82d4	287	return -ENOMEM;
cf2b4488	288	}
02160695	289	memcpy(tmp_buf, cis, length);
cf2b4488 HP	290	for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4);
	291	tmp_ptr++) {
	292	ptr += sprintf((char )ptr, "%.2x ", tmp_ptr & 0xff);
	293	if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0)
	294	ptr += sprintf((char *)ptr, "\n");
	295	}
182acb3c	296	kfree(tmp_buf);
cf2b4488 HP	297	}
cf2b4488 HP	298
67f72bef	299	return status;
cf2b4488 HP	300	}
cf2b4488 HP	301
127aa5cf RV	302	static int
127aa5cf RV	303	brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_card *card, u32 address)
cf2b4488 HP	304	{
cf2b4488 HP	305	int err = 0;
62dd656d	306	brcmf_sdcard_cfg_write(card, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
cf2b4488 HP	307	(address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
cf2b4488 HP	308	if (!err)
62dd656d	309	brcmf_sdcard_cfg_write(card, SDIO_FUNC_1,
54ca2969 RV	310	SBSDIO_FUNC1_SBADDRMID,
	311	(address >> 16) & SBSDIO_SBADDRMID_MASK,
	312	&err);
cf2b4488	313	if (!err)
62dd656d	314	brcmf_sdcard_cfg_write(card, SDIO_FUNC_1,
54ca2969 RV	315	SBSDIO_FUNC1_SBADDRHIGH,
	316	(address >> 24) & SBSDIO_SBADDRHIGH_MASK,
	317	&err);
cf2b4488 HP	318
	319	return err;
	320	}
	321
127aa5cf	322	u32 brcmf_sdcard_reg_read(struct brcmf_sdio_card *card, u32 addr, uint size)
cf2b4488	323	{
3c793822	324	int status;
66cbd3ab	325	u32 word = 0;
cf2b4488 HP	326	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
cf2b4488 HP	327
62dd656d	328	BRCMF_SD_INFO(("%s:fun = 1, addr = 0x%x, ", __func__, addr));
cf2b4488	329
62dd656d RV	330	if (!card)
62dd656d RV	331	card = l_card;
cf2b4488	332
62dd656d	333	ASSERT(card->init_success);
cf2b4488	334
62dd656d RV	335	if (bar0 != card->sbwad) {
62dd656d RV	336	if (brcmf_sdcard_set_sbaddr_window(card, bar0))
cf2b4488 HP	337	return 0xFFFFFFFF;
cf2b4488 HP	338
62dd656d	339	card->sbwad = bar0;
cf2b4488 HP	340	}
	341
	342	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	343	if (size == 4)
	344	addr \|= SBSDIO_SB_ACCESS_2_4B_FLAG;
	345
62dd656d	346	status = brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
cf2b4488 HP	347	SDIOH_READ, SDIO_FUNC_1, addr, &word, size);
cf2b4488 HP	348
62dd656d	349	card->regfail = (status != 0);
cf2b4488	350
62dd656d	351	BRCMF_SD_INFO(("u32data = 0x%x\n", word));
cf2b4488 HP	352
cf2b4488 HP	353	/* if ok, return appropriately masked word */
67f72bef	354	if (status == 0) {
cf2b4488	355	switch (size) {
3fd79f7c	356	case sizeof(u8):
cf2b4488	357	return word & 0xff;
7d4df48e	358	case sizeof(u16):
cf2b4488	359	return word & 0xffff;
66cbd3ab	360	case sizeof(u32):
cf2b4488 HP	361	return word;
cf2b4488 HP	362	default:
62dd656d	363	card->regfail = true;
cf2b4488 HP	364
	365	}
	366	}
	367
	368	/* otherwise, bad sdio access or invalid size */
62dd656d	369	BRCMF_SD_ERROR(("%s: error reading addr 0x%04x size %d\n", __func__,
cf2b4488 HP	370	addr, size));
	371	return 0xFFFFFFFF;
	372	}
	373
127aa5cf RV	374	u32 brcmf_sdcard_reg_write(struct brcmf_sdio_card *card, u32 addr, uint size,
127aa5cf RV	375	u32 data)
cf2b4488	376	{
3c793822	377	int status;
cf2b4488 HP	378	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
	379	int err = 0;
	380
62dd656d	381	BRCMF_SD_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
cf2b4488 HP	382	__func__, addr, size * 8, data));
cf2b4488 HP	383
62dd656d RV	384	if (!card)
62dd656d RV	385	card = l_card;
cf2b4488	386
62dd656d	387	ASSERT(card->init_success);
cf2b4488	388
62dd656d RV	389	if (bar0 != card->sbwad) {
62dd656d RV	390	err = brcmf_sdcard_set_sbaddr_window(card, bar0);
c74c95cd	391	if (err)
cf2b4488 HP	392	return err;
cf2b4488 HP	393
62dd656d	394	card->sbwad = bar0;
cf2b4488 HP	395	}
	396
	397	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	398	if (size == 4)
	399	addr \|= SBSDIO_SB_ACCESS_2_4B_FLAG;
	400	status =
62dd656d	401	brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
cf2b4488	402	SDIOH_WRITE, SDIO_FUNC_1, addr, &data, size);
62dd656d	403	card->regfail = (status != 0);
cf2b4488	404
67f72bef	405	if (status == 0)
cf2b4488 HP	406	return 0;
cf2b4488 HP	407
62dd656d	408	BRCMF_SD_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
cf2b4488 HP	409	__func__, data, addr, size));
	410	return 0xFFFFFFFF;
	411	}
	412
127aa5cf	413	bool brcmf_sdcard_regfail(struct brcmf_sdio_card *card)
cf2b4488	414	{
127aa5cf	415	return card->regfail;
cf2b4488 HP	416	}
	417
	418	int
127aa5cf RV	419	brcmf_sdcard_recv_buf(struct brcmf_sdio_card *card, u32 addr, uint fn,
	420	uint flags,
	421	u8 buf, uint nbytes, struct sk_buff pkt,
63bec49e RV	422	void (complete)(void handle, int status,
	423	bool sync_waiting),
	424	void *handle)
cf2b4488	425	{
3c793822	426	int status;
cf2b4488 HP	427	uint incr_fix;
	428	uint width;
	429	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
	430	int err = 0;
	431
62dd656d RV	432	ASSERT(card);
62dd656d RV	433	ASSERT(card->init_success);
cf2b4488	434
62dd656d	435	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
cf2b4488 HP	436	__func__, fn, addr, nbytes));
	437
	438	/* Async not implemented yet */
	439	ASSERT(!(flags & SDIO_REQ_ASYNC));
	440	if (flags & SDIO_REQ_ASYNC)
e10d82d4	441	return -ENOTSUPP;
cf2b4488	442
62dd656d RV	443	if (bar0 != card->sbwad) {
62dd656d RV	444	err = brcmf_sdcard_set_sbaddr_window(card, bar0);
c74c95cd	445	if (err)
cf2b4488 HP	446	return err;
cf2b4488 HP	447
62dd656d	448	card->sbwad = bar0;
cf2b4488 HP	449	}
	450
	451	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	452
	453	incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
	454	width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
	455	if (width == 4)
	456	addr \|= SBSDIO_SB_ACCESS_2_4B_FLAG;
	457
62dd656d	458	status = brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
54ca2969	459	incr_fix, SDIOH_READ, fn, addr, width, nbytes, buf, pkt);
cf2b4488	460
67f72bef	461	return status;
cf2b4488 HP	462	}
	463
	464	int
127aa5cf RV	465	brcmf_sdcard_send_buf(struct brcmf_sdio_card *card, u32 addr, uint fn,
127aa5cf RV	466	uint flags, u8 buf, uint nbytes, void pkt,
63bec49e RV	467	void (complete)(void handle, int status,
	468	bool sync_waiting),
	469	void *handle)
cf2b4488	470	{
cf2b4488 HP	471	uint incr_fix;
	472	uint width;
	473	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
	474	int err = 0;
	475
62dd656d RV	476	ASSERT(card);
62dd656d RV	477	ASSERT(card->init_success);
cf2b4488	478
62dd656d	479	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
cf2b4488 HP	480	__func__, fn, addr, nbytes));
	481
	482	/* Async not implemented yet */
	483	ASSERT(!(flags & SDIO_REQ_ASYNC));
	484	if (flags & SDIO_REQ_ASYNC)
e10d82d4	485	return -ENOTSUPP;
cf2b4488	486
62dd656d RV	487	if (bar0 != card->sbwad) {
62dd656d RV	488	err = brcmf_sdcard_set_sbaddr_window(card, bar0);
c74c95cd	489	if (err)
cf2b4488 HP	490	return err;
cf2b4488 HP	491
62dd656d	492	card->sbwad = bar0;
cf2b4488 HP	493	}
	494
	495	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	496
	497	incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
	498	width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
	499	if (width == 4)
	500	addr \|= SBSDIO_SB_ACCESS_2_4B_FLAG;
	501
62dd656d	502	return brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
54ca2969	503	incr_fix, SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt);
cf2b4488 HP	504	}
cf2b4488 HP	505
127aa5cf RV	506	int brcmf_sdcard_rwdata(struct brcmf_sdio_card *card, uint rw, u32 addr,
127aa5cf RV	507	u8 *buf, uint nbytes)
cf2b4488	508	{
62dd656d RV	509	ASSERT(card);
62dd656d RV	510	ASSERT(card->init_success);
cf2b4488 HP	511	ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0);
	512
	513	addr &= SBSDIO_SB_OFT_ADDR_MASK;
	514	addr \|= SBSDIO_SB_ACCESS_2_4B_FLAG;
	515
62dd656d	516	return brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
54ca2969 RV	517	SDIOH_DATA_INC, (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
54ca2969 RV	518	addr, 4, nbytes, buf, NULL);
cf2b4488 HP	519	}
cf2b4488 HP	520
127aa5cf	521	int brcmf_sdcard_abort(struct brcmf_sdio_card *card, uint fn)
cf2b4488	522	{
62dd656d	523	return brcmf_sdioh_abort(card->sdioh, fn);
cf2b4488 HP	524	}
cf2b4488 HP	525
127aa5cf	526	int brcmf_sdcard_query_device(struct brcmf_sdio_card *card)
cf2b4488	527	{
62dd656d RV	528	card->vendevid = (PCI_VENDOR_ID_BROADCOM << 16) \| 0;
62dd656d RV	529	return card->vendevid;
cf2b4488 HP	530	}
cf2b4488 HP	531
127aa5cf	532	u32 brcmf_sdcard_cur_sbwad(struct brcmf_sdio_card *card)
cf2b4488	533	{
62dd656d RV	534	if (!card)
62dd656d RV	535	card = l_card;
cf2b4488	536
62dd656d	537	return card->sbwad;
cf2b4488	538	}