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|
/*
* BCMSDH interface glue
* implement bcmsdh API for SDIOH driver
*
* Copyright (C) 1999-2011, 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.
*
* $Id: bcmsdh.c 344235 2012-07-11 23:47:18Z $
*/
/**
* @file bcmsdh.c
*/
/* ****************** BCMSDH Interface Functions *************************** */
#include <typedefs.h>
#include <bcmdevs.h>
#include <bcmendian.h>
#include <bcmutils.h>
#include <hndsoc.h>
#include <siutils.h>
#include <osl.h>
#include <bcmsdh.h> /* BRCM API for SDIO clients (such as wl, dhd) */
#include <bcmsdbus.h> /* common SDIO/controller interface */
#include <sbsdio.h> /* SDIO device core hardware definitions. */
#include <sdio.h> /* SDIO Device and Protocol Specs */
#define SDIOH_API_ACCESS_RETRY_LIMIT 2
const uint bcmsdh_msglevel = BCMSDH_ERROR_VAL;
/**
* BCMSDH API context
*/
struct bcmsdh_info
{
bool init_success; /* underlying driver successfully attached */
void *sdioh; /* handler for sdioh */
uint32 vendevid; /* Target Vendor and Device ID on SD bus */
osl_t *osh;
bool regfail; /* Save status of last reg_read/reg_write call */
uint32 sbwad; /* Save backplane window address */
};
/* local copy of bcm sd handler */
bcmsdh_info_t * l_bcmsdh = NULL;
#if defined(OOB_INTR_ONLY) && defined(HW_OOB)
extern int
sdioh_enable_hw_oob_intr(void *sdioh, bool enable);
void
bcmsdh_enable_hw_oob_intr(bcmsdh_info_t *sdh, bool enable)
{
sdioh_enable_hw_oob_intr(sdh->sdioh, enable);
}
#endif
/* Attach BCMSDH layer to SDIO Host Controller Driver
*
* @param osh OSL Handle.
* @param cfghdl Configuration Handle.
* @param regsva Virtual address of controller registers.
* @param irq Interrupt number of SDIO controller.
*
* @return bcmsdh_info_t Handle to BCMSDH context.
*/
bcmsdh_info_t *
bcmsdh_attach(osl_t *osh, void *cfghdl, void **regsva, uint irq)
{
bcmsdh_info_t *bcmsdh;
if ((bcmsdh = (bcmsdh_info_t *)MALLOC(osh, sizeof(bcmsdh_info_t))) == NULL) {
BCMSDH_ERROR(("bcmsdh_attach: out of memory, malloced %d bytes\n", MALLOCED(osh)));
return NULL;
}
bzero((char *)bcmsdh, sizeof(bcmsdh_info_t));
/* save the handler locally */
l_bcmsdh = bcmsdh;
if (!(bcmsdh->sdioh = sdioh_attach(osh, cfghdl, irq))) {
bcmsdh_detach(osh, bcmsdh);
return NULL;
}
bcmsdh->osh = osh;
bcmsdh->init_success = TRUE;
*regsva = (uint32 *)SI_ENUM_BASE;
/* Report the BAR, to fix if needed */
bcmsdh->sbwad = SI_ENUM_BASE;
return bcmsdh;
}
int
bcmsdh_detach(osl_t *osh, void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
if (bcmsdh != NULL) {
if (bcmsdh->sdioh) {
sdioh_detach(osh, bcmsdh->sdioh);
bcmsdh->sdioh = NULL;
}
MFREE(osh, bcmsdh, sizeof(bcmsdh_info_t));
}
l_bcmsdh = NULL;
return 0;
}
int
bcmsdh_iovar_op(void *sdh, const char *name,
void *params, int plen, void *arg, int len, bool set)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
return sdioh_iovar_op(bcmsdh->sdioh, name, params, plen, arg, len, set);
}
bool
bcmsdh_intr_query(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
bool on;
ASSERT(bcmsdh);
status = sdioh_interrupt_query(bcmsdh->sdioh, &on);
if (SDIOH_API_SUCCESS(status))
return FALSE;
else
return on;
}
int
bcmsdh_intr_enable(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
ASSERT(bcmsdh);
status = sdioh_interrupt_set(bcmsdh->sdioh, TRUE);
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
}
int
bcmsdh_intr_disable(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
ASSERT(bcmsdh);
status = sdioh_interrupt_set(bcmsdh->sdioh, FALSE);
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
}
int
bcmsdh_intr_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
ASSERT(bcmsdh);
status = sdioh_interrupt_register(bcmsdh->sdioh, fn, argh);
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
}
int
bcmsdh_intr_dereg(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
ASSERT(bcmsdh);
status = sdioh_interrupt_deregister(bcmsdh->sdioh);
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
}
#if defined(DHD_DEBUG)
bool
bcmsdh_intr_pending(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
ASSERT(sdh);
return sdioh_interrupt_pending(bcmsdh->sdioh);
}
#endif
int
bcmsdh_devremove_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
{
ASSERT(sdh);
/* don't support yet */
return BCME_UNSUPPORTED;
}
/**
* Read from SDIO Configuration Space
* @param sdh SDIO Host context.
* @param func_num Function number to read from.
* @param addr Address to read from.
* @param err Error return.
* @return value read from SDIO configuration space.
*/
uint8
bcmsdh_cfg_read(void *sdh, uint fnc_num, uint32 addr, int *err)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
int32 retry = 0;
#endif
uint8 data = 0;
if (!bcmsdh)
bcmsdh = l_bcmsdh;
ASSERT(bcmsdh->init_success);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
do {
if (retry) /* wait for 1 ms till bus get settled down */
OSL_DELAY(1000);
#endif
status = sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
} while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
#endif
if (err)
*err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__,
fnc_num, addr, data));
return data;
}
void
bcmsdh_cfg_write(void *sdh, uint fnc_num, uint32 addr, uint8 data, int *err)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
int32 retry = 0;
#endif
if (!bcmsdh)
bcmsdh = l_bcmsdh;
ASSERT(bcmsdh->init_success);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
do {
if (retry) /* wait for 1 ms till bus get settled down */
OSL_DELAY(1000);
#endif
status = sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
} while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
#endif
if (err)
*err = SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR;
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__,
fnc_num, addr, data));
}
uint32
bcmsdh_cfg_read_word(void *sdh, uint fnc_num, uint32 addr, int *err)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
uint32 data = 0;
if (!bcmsdh)
bcmsdh = l_bcmsdh;
ASSERT(bcmsdh->init_success);
status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_READ, fnc_num,
addr, &data, 4);
if (err)
*err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__,
fnc_num, addr, data));
return data;
}
void
bcmsdh_cfg_write_word(void *sdh, uint fnc_num, uint32 addr, uint32 data, int *err)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
if (!bcmsdh)
bcmsdh = l_bcmsdh;
ASSERT(bcmsdh->init_success);
status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, fnc_num,
addr, &data, 4);
if (err)
*err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__, fnc_num,
addr, data));
}
int
bcmsdh_cis_read(void *sdh, uint func, uint8 *cis, uint length)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
uint8 *tmp_buf, *tmp_ptr;
uint8 *ptr;
bool ascii = func & ~0xf;
func &= 0x7;
if (!bcmsdh)
bcmsdh = l_bcmsdh;
ASSERT(bcmsdh->init_success);
ASSERT(cis);
ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT);
status = sdioh_cis_read(bcmsdh->sdioh, func, cis, length);
if (ascii) {
/* Move binary bits to tmp and format them into the provided buffer. */
if ((tmp_buf = (uint8 *)MALLOC(bcmsdh->osh, length)) == NULL) {
BCMSDH_ERROR(("%s: out of memory\n", __FUNCTION__));
return BCME_NOMEM;
}
bcopy(cis, tmp_buf, length);
for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4); tmp_ptr++) {
ptr += snprintf((char*)ptr, (cis + length - ptr - 4),
"%.2x ", *tmp_ptr & 0xff);
if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0)
ptr += snprintf((char *)ptr, (cis + length - ptr -4), "\n");
}
MFREE(bcmsdh->osh, tmp_buf, length);
}
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
}
int
bcmsdhsdio_set_sbaddr_window(void *sdh, uint32 address, bool force_set)
{
int err = 0;
uint bar0 = address & ~SBSDIO_SB_OFT_ADDR_MASK;
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
if (bar0 != bcmsdh->sbwad || force_set) {
bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
(address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
if (!err)
bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID,
(address >> 16) & SBSDIO_SBADDRMID_MASK, &err);
if (!err)
bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH,
(address >> 24) & SBSDIO_SBADDRHIGH_MASK, &err);
if (!err)
bcmsdh->sbwad = bar0;
else
/* invalidate cached window var */
bcmsdh->sbwad = 0;
}
return err;
}
uint32
bcmsdh_reg_read(void *sdh, uint32 addr, uint size)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
uint32 word = 0;
BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, ", __FUNCTION__, addr));
if (!bcmsdh)
bcmsdh = l_bcmsdh;
ASSERT(bcmsdh->init_success);
if (bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE))
return 0xFFFFFFFF;
addr &= SBSDIO_SB_OFT_ADDR_MASK;
if (size == 4)
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
SDIOH_READ, SDIO_FUNC_1, addr, &word, size);
bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
BCMSDH_INFO(("uint32data = 0x%x\n", word));
/* if ok, return appropriately masked word */
if (SDIOH_API_SUCCESS(status)) {
switch (size) {
case sizeof(uint8):
return (word & 0xff);
case sizeof(uint16):
return (word & 0xffff);
case sizeof(uint32):
return word;
default:
bcmsdh->regfail = TRUE;
}
}
/* otherwise, bad sdio access or invalid size */
BCMSDH_ERROR(("%s: error reading addr 0x%04x size %d\n", __FUNCTION__, addr, size));
return 0xFFFFFFFF;
}
uint32
bcmsdh_reg_write(void *sdh, uint32 addr, uint size, uint32 data)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
int err = 0;
BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
__FUNCTION__, addr, size*8, data));
if (!bcmsdh)
bcmsdh = l_bcmsdh;
ASSERT(bcmsdh->init_success);
if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)))
return err;
addr &= SBSDIO_SB_OFT_ADDR_MASK;
if (size == 4)
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, SDIO_FUNC_1,
addr, &data, size);
bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
if (SDIOH_API_SUCCESS(status))
return 0;
BCMSDH_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
__FUNCTION__, data, addr, size));
return 0xFFFFFFFF;
}
bool
bcmsdh_regfail(void *sdh)
{
return ((bcmsdh_info_t *)sdh)->regfail;
}
int
bcmsdh_recv_buf(void *sdh, uint32 addr, uint fn, uint flags,
uint8 *buf, uint nbytes, void *pkt,
bcmsdh_cmplt_fn_t complete_fn, void *handle)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
uint incr_fix;
uint width;
int err = 0;
ASSERT(bcmsdh);
ASSERT(bcmsdh->init_success);
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
__FUNCTION__, fn, addr, nbytes));
/* Async not implemented yet */
ASSERT(!(flags & SDIO_REQ_ASYNC));
if (flags & SDIO_REQ_ASYNC)
return BCME_UNSUPPORTED;
if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)))
return err;
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 = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
SDIOH_READ, fn, addr, width, nbytes, buf, pkt);
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
}
int
bcmsdh_send_buf(void *sdh, uint32 addr, uint fn, uint flags,
uint8 *buf, uint nbytes, void *pkt,
bcmsdh_cmplt_fn_t complete_fn, void *handle)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
uint incr_fix;
uint width;
int err = 0;
ASSERT(bcmsdh);
ASSERT(bcmsdh->init_success);
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
__FUNCTION__, fn, addr, nbytes));
/* Async not implemented yet */
ASSERT(!(flags & SDIO_REQ_ASYNC));
if (flags & SDIO_REQ_ASYNC)
return BCME_UNSUPPORTED;
if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)))
return err;
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 = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt);
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
}
int
bcmsdh_rwdata(void *sdh, uint rw, uint32 addr, uint8 *buf, uint nbytes)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
SDIOH_API_RC status;
ASSERT(bcmsdh);
ASSERT(bcmsdh->init_success);
ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0);
addr &= SBSDIO_SB_OFT_ADDR_MASK;
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, SDIOH_DATA_INC,
(rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
addr, 4, nbytes, buf, NULL);
return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
}
int
bcmsdh_abort(void *sdh, uint fn)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
return sdioh_abort(bcmsdh->sdioh, fn);
}
int
bcmsdh_start(void *sdh, int stage)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
return sdioh_start(bcmsdh->sdioh, stage);
}
int
bcmsdh_stop(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
return sdioh_stop(bcmsdh->sdioh);
}
int
bcmsdh_waitlockfree(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
if (!bcmsdh)
bcmsdh = l_bcmsdh;
return sdioh_waitlockfree(bcmsdh->sdioh);
}
int
bcmsdh_query_device(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
bcmsdh->vendevid = (VENDOR_BROADCOM << 16) | 0;
return (bcmsdh->vendevid);
}
uint
bcmsdh_query_iofnum(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
if (!bcmsdh)
bcmsdh = l_bcmsdh;
return (sdioh_query_iofnum(bcmsdh->sdioh));
}
int
bcmsdh_reset(bcmsdh_info_t *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
return sdioh_sdio_reset(bcmsdh->sdioh);
}
void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh)
{
ASSERT(sdh);
return sdh->sdioh;
}
/* Function to pass device-status bits to DHD. */
uint32
bcmsdh_get_dstatus(void *sdh)
{
return 0;
}
uint32
bcmsdh_cur_sbwad(void *sdh)
{
bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
if (!bcmsdh)
bcmsdh = l_bcmsdh;
return (bcmsdh->sbwad);
}
void
bcmsdh_chipinfo(void *sdh, uint32 chip, uint32 chiprev)
{
return;
}
int
bcmsdh_sleep(void *sdh, bool enab)
{
#ifdef SDIOH_SLEEP_ENABLED
bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
return sdioh_sleep(sd, enab);
#else
return BCME_UNSUPPORTED;
#endif
}
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