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rtl8188eu/os_dep/linux/sdio_ops_linux.c
Larry Finger 065126d8ce rtl8188eu: Place driver rtl8188EUS_rtl8189ES_linux_v4.1.8_9499.20131104 in branch v4.1.8_9499 
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2014-12-11 15:15:04 -06:00

912 lines
19 KiB
C
Executable file
Raw Blame History

/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*******************************************************************************/
#define _SDIO_OPS_LINUX_C_
#include <drv_types.h>
#include <linux/mmc/sdio_func.h>
static bool rtw_sdio_claim_host_needed(struct sdio_func *func)
{
struct dvobj_priv *dvobj = sdio_get_drvdata(func);
PSDIO_DATA sdio_data = &dvobj->intf_data;
if (sdio_data->sys_sdio_irq_thd && sdio_data->sys_sdio_irq_thd == current)
return _FALSE;
return _TRUE;
}
inline void rtw_sdio_set_irq_thd(struct dvobj_priv *dvobj, _thread_hdl_ thd_hdl)
{
PSDIO_DATA sdio_data = &dvobj->intf_data;
sdio_data->sys_sdio_irq_thd = thd_hdl;
}
u8 sd_f0_read8(struct intf_hdl *pintfhdl,u32 addr, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
u8 v=0;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return v;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
v = sdio_f0_readb(func, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x\n", __func__, *err, addr);
_func_exit_;
return v;
}
void sd_f0_write8(struct intf_hdl *pintfhdl, u32 addr, u8 v, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
sdio_f0_writeb(func, v, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x val=0x%02x\n", __func__, *err, addr, v);
_func_exit_;
}
/*
* Return:
* 0 Success
* others Fail
*/
s32 _sd_cmd52_read(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
int err=0, i;
struct sdio_func *func;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
for (i = 0; i < cnt; i++) {
pdata[i] = sdio_readb(func, addr+i, &err);
if (err) {
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x\n", __func__, err, addr+i);
break;
}
}
_func_exit_;
return err;
}
/*
* Return:
* 0 Success
* others Fail
*/
s32 sd_cmd52_read(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
int err=0, i;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
err = _sd_cmd52_read(pintfhdl, addr, cnt, pdata);
if (claim_needed)
sdio_release_host(func);
_func_exit_;
return err;
}
/*
* Return:
* 0 Success
* others Fail
*/
s32 _sd_cmd52_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
int err=0, i;
struct sdio_func *func;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved)!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
for (i = 0; i < cnt; i++) {
sdio_writeb(func, pdata[i], addr+i, &err);
if (err) {
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x val=0x%02x\n", __func__, err, addr+i, pdata[i]);
break;
}
}
_func_exit_;
return err;
}
/*
* Return:
* 0 Success
* others Fail
*/
s32 sd_cmd52_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
int err=0, i;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
err = _sd_cmd52_write(pintfhdl, addr, cnt, pdata);
if (claim_needed)
sdio_release_host(func);
_func_exit_;
return err;
}
u8 _sd_read8(struct intf_hdl *pintfhdl, u32 addr, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
u8 v=0;
struct sdio_func *func;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved)!!!\n",__FUNCTION__);
return v;
}
func = psdio->func;
v = sdio_readb(func, addr, err);
if (err && *err)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x\n", __func__, *err, addr);
_func_exit_;
return v;
}
u8 sd_read8(struct intf_hdl *pintfhdl, u32 addr, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
u8 v;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return v;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
v = sdio_readb(func, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x\n", __func__, *err, addr);
_func_exit_;
return v;
}
u16 sd_read16(struct intf_hdl *pintfhdl, u32 addr, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
u16 v=0;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return v;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
v = sdio_readw(func, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x\n", __func__, *err, addr);
_func_exit_;
return v;
}
u32 _sd_read32(struct intf_hdl *pintfhdl, u32 addr, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
u32 v=0;
struct sdio_func *func;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return v;
}
func = psdio->func;
v = sdio_readl(func, addr, err);
if (err && *err)
{
int i;
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x\n", __func__, *err, addr, v);
*err = 0;
for(i=0; i<SD_IO_TRY_CNT; i++)
{
//sdio_claim_host(func);
v = sdio_readl(func, addr, err);
//sdio_release_host(func);
if (*err == 0){
rtw_reset_continual_io_error(psdiodev);
break;
}
else{
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
if(( -ESHUTDOWN == *err ) || ( -ENODEV == *err))
{
padapter->bSurpriseRemoved = _TRUE;
}
if(rtw_inc_and_chk_continual_io_error(psdiodev) == _TRUE ){
padapter->bSurpriseRemoved = _TRUE;
break;
}
}
}
if (i==SD_IO_TRY_CNT)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
else
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
}
_func_exit_;
return v;
}
u32 sd_read32(struct intf_hdl *pintfhdl, u32 addr, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
u32 v=0;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return v;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
v = sdio_readl(func, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
{
int i;
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x\n", __func__, *err, addr, v);
*err = 0;
for(i=0; i<SD_IO_TRY_CNT; i++)
{
if (claim_needed) sdio_claim_host(func);
v = sdio_readl(func, addr, err);
if (claim_needed) sdio_release_host(func);
if (*err == 0){
rtw_reset_continual_io_error(psdiodev);
break;
}else{
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
if(( -ESHUTDOWN == *err ) || ( -ENODEV == *err)){
padapter->bSurpriseRemoved = _TRUE;
}
if(rtw_inc_and_chk_continual_io_error(psdiodev) == _TRUE ){
padapter->bSurpriseRemoved = _TRUE;
break;
}
}
}
if (i==SD_IO_TRY_CNT)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
else
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
}
_func_exit_;
return v;
}
void sd_write8(struct intf_hdl *pintfhdl, u32 addr, u8 v, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return ;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
sdio_writeb(func, v, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x val=0x%02x\n", __func__, *err, addr, v);
_func_exit_;
}
void sd_write16(struct intf_hdl *pintfhdl, u32 addr, u16 v, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return ;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
sdio_writew(func, v, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x val=0x%04x\n", __func__, *err, addr, v);
_func_exit_;
}
void _sd_write32(struct intf_hdl *pintfhdl, u32 addr, u32 v, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return ;
}
func = psdio->func;
sdio_writel(func, v, addr, err);
if (err && *err)
{
int i;
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x val=0x%08x\n", __func__, *err, addr, v);
*err = 0;
for(i=0; i<SD_IO_TRY_CNT; i++)
{
sdio_writel(func, v, addr, err);
if (*err == 0){
rtw_reset_continual_io_error(psdiodev);
break;
}else{
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
if(( -ESHUTDOWN == *err ) || ( -ENODEV == *err)){
padapter->bSurpriseRemoved = _TRUE;
}
if(rtw_inc_and_chk_continual_io_error(psdiodev) == _TRUE ){
padapter->bSurpriseRemoved = _TRUE;
break;
}
}
}
if (i==SD_IO_TRY_CNT)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x val=0x%08x, try_cnt=%d\n", __func__, *err, addr, v, i);
else
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x val=0x%08x, try_cnt=%d\n", __func__, *err, addr, v, i);
}
_func_exit_;
}
void sd_write32(struct intf_hdl *pintfhdl, u32 addr, u32 v, s32 *err)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
bool claim_needed;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved)!!!\n",__FUNCTION__);
return ;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
sdio_writel(func, v, addr, err);
if (claim_needed)
sdio_release_host(func);
if (err && *err)
{
int i;
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x val=0x%08x\n", __func__, *err, addr, v);
*err = 0;
for(i=0; i<SD_IO_TRY_CNT; i++)
{
if (claim_needed) sdio_claim_host(func);
sdio_writel(func, v, addr, err);
if (claim_needed) sdio_release_host(func);
if (*err == 0){
rtw_reset_continual_io_error(psdiodev);
break;
}else{
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x, val=0x%x, try_cnt=%d\n", __func__, *err, addr, v, i);
if(( -ESHUTDOWN == *err ) || ( -ENODEV == *err)){
padapter->bSurpriseRemoved = _TRUE;
}
if(rtw_inc_and_chk_continual_io_error(psdiodev) == _TRUE ){
padapter->bSurpriseRemoved = _TRUE;
break;
}
}
}
if (i==SD_IO_TRY_CNT)
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x val=0x%08x, try_cnt=%d\n", __func__, *err, addr, v, i);
else
DBG_871X(KERN_ERR "%s: (%d) addr=0x%05x val=0x%08x, try_cnt=%d\n", __func__, *err, addr, v, i);
}
_func_exit_;
}
/*
* Use CMD53 to read data from SDIO device.
* This function MUST be called after sdio_claim_host() or
* in SDIO ISR(host had been claimed).
*
* Parameters:
* psdio pointer of SDIO_DATA
* addr address to read
* cnt amount to read
* pdata pointer to put data, this should be a "DMA:able scratch buffer"!
*
* Return:
* 0 Success
* others Fail
*/
s32 _sd_read(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, void *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
int err= -EPERM;
struct sdio_func *func;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
if (unlikely((cnt==1) || (cnt==2)))
{
int i;
u8 *pbuf = (u8*)pdata;
for (i = 0; i < cnt; i++)
{
*(pbuf+i) = sdio_readb(func, addr+i, &err);
if (err) {
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x\n", __func__, err, addr);
break;
}
}
return err;
}
err = sdio_memcpy_fromio(func, pdata, addr, cnt);
if (err) {
DBG_871X(KERN_ERR "%s: FAIL(%d)! ADDR=%#x Size=%d\n", __func__, err, addr, cnt);
}
_func_exit_;
return err;
}
/*
* Use CMD53 to read data from SDIO device.
*
* Parameters:
* psdio pointer of SDIO_DATA
* addr address to read
* cnt amount to read
* pdata pointer to put data, this should be a "DMA:able scratch buffer"!
*
* Return:
* 0 Success
* others Fail
*/
s32 sd_read(struct intf_hdl * pintfhdl, u32 addr, u32 cnt, void *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
bool claim_needed;
s32 err= -EPERM;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
err = _sd_read(pintfhdl, addr, cnt, pdata);
if (claim_needed)
sdio_release_host(func);
_func_exit_;
return err;
}
/*
* Use CMD53 to write data to SDIO device.
* This function MUST be called after sdio_claim_host() or
* in SDIO ISR(host had been claimed).
*
* Parameters:
* psdio pointer of SDIO_DATA
* addr address to write
* cnt amount to write
* pdata data pointer, this should be a "DMA:able scratch buffer"!
*
* Return:
* 0 Success
* others Fail
*/
s32 _sd_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, void *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
u32 size;
s32 err=-EPERM;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
// size = sdio_align_size(func, cnt);
if (unlikely((cnt==1) || (cnt==2)))
{
int i;
u8 *pbuf = (u8*)pdata;
for (i = 0; i < cnt; i++)
{
sdio_writeb(func, *(pbuf+i), addr+i, &err);
if (err) {
DBG_871X(KERN_ERR "%s: FAIL!(%d) addr=0x%05x val=0x%02x\n", __func__, err, addr, *(pbuf+i));
break;
}
}
return err;
}
size = cnt;
err = sdio_memcpy_toio(func, addr, pdata, size);
if (err) {
DBG_871X(KERN_ERR "%s: FAIL(%d)! ADDR=%#x Size=%d(%d)\n", __func__, err, addr, cnt, size);
}
_func_exit_;
return err;
}
/*
* Use CMD53 to write data to SDIO device.
*
* Parameters:
* psdio pointer of SDIO_DATA
* addr address to write
* cnt amount to write
* pdata data pointer, this should be a "DMA:able scratch buffer"!
*
* Return:
* 0 Success
* others Fail
*/
s32 sd_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, void *pdata)
{
PADAPTER padapter;
struct dvobj_priv *psdiodev;
PSDIO_DATA psdio;
struct sdio_func *func;
bool claim_needed;
s32 err=-EPERM;
_func_enter_;
padapter = pintfhdl->padapter;
psdiodev = pintfhdl->pintf_dev;
psdio = &psdiodev->intf_data;
if(padapter->bSurpriseRemoved){
//DBG_871X(" %s (padapter->bSurpriseRemoved )!!!\n",__FUNCTION__);
return err;
}
func = psdio->func;
claim_needed = rtw_sdio_claim_host_needed(func);
if (claim_needed)
sdio_claim_host(func);
err = _sd_write(pintfhdl, addr, cnt, pdata);
if (claim_needed)
sdio_release_host(func);
_func_exit_;
return err;
}
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