mirror of
https://github.com/chinawrj/rtl8812au
synced 2024-11-14 01:53:12 +00:00
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright(c) 2015 - 2016 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 _RTW_SDIO_C_
|
|
|
|
#include <drv_types.h> /* struct dvobj_priv and etc. */
|
|
#include <drv_types_sdio.h> /* RTW_SDIO_ADDR_CMD52_GEN */
|
|
|
|
/*
|
|
* Description:
|
|
* Use SDIO cmd52 or cmd53 to read/write data
|
|
*
|
|
* Parameters:
|
|
* d pointer of device object(struct dvobj_priv)
|
|
* addr SDIO address, 17 bits
|
|
* buf buffer for I/O
|
|
* len length
|
|
* write 0:read, 1:write
|
|
* cmd52 0:cmd52, 1:cmd53
|
|
*
|
|
* Return:
|
|
* _SUCCESS I/O ok.
|
|
* _FAIL I/O fail.
|
|
*/
|
|
static u8 sdio_io(struct dvobj_priv *d, u32 addr, void *buf, size_t len, u8 write, u8 cmd52)
|
|
{
|
|
int err;
|
|
|
|
|
|
if (cmd52)
|
|
addr = RTW_SDIO_ADDR_CMD52_GEN(addr);
|
|
|
|
if (write)
|
|
err = d->intf_ops->write(d, addr, buf, len, 0);
|
|
else
|
|
err = d->intf_ops->read(d, addr, buf, len, 0);
|
|
if (err) {
|
|
RTW_INFO("%s: [ERROR] %s FAIL! error(%d)\n",
|
|
__FUNCTION__, write ? "write" : "read", err);
|
|
return _FAIL;
|
|
}
|
|
|
|
return _SUCCESS;
|
|
}
|
|
|
|
u8 rtw_sdio_read_cmd52(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
|
|
{
|
|
return sdio_io(d, addr, buf, len, 0, 1);
|
|
}
|
|
|
|
u8 rtw_sdio_read_cmd53(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
|
|
{
|
|
return sdio_io(d, addr, buf, len, 0, 0);
|
|
}
|
|
|
|
u8 rtw_sdio_write_cmd52(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
|
|
{
|
|
return sdio_io(d, addr, buf, len, 1, 1);
|
|
}
|
|
|
|
u8 rtw_sdio_write_cmd53(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
|
|
{
|
|
return sdio_io(d, addr, buf, len, 1, 0);
|
|
}
|
|
|
|
u8 rtw_sdio_f0_read(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
|
|
{
|
|
int err;
|
|
u8 ret;
|
|
|
|
|
|
ret = _SUCCESS;
|
|
addr = RTW_SDIO_ADDR_F0_GEN(addr);
|
|
|
|
err = d->intf_ops->read(d, addr, buf, len, 0);
|
|
if (err) {
|
|
RTW_INFO("%s: [ERROR] Read f0 register FAIL!\n", __FUNCTION__);
|
|
ret = _FAIL;
|
|
}
|
|
|
|
|
|
return ret;
|
|
}
|