rtl8188eu/core/rtw_io.c

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/******************************************************************************
*
* Copyright(c) 2007 - 2011 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
*
*
******************************************************************************/
/*
The purpose of rtw_io.c
a. provides the API
b. provides the protocol engine
c. provides the software interface between caller and the hardware interface
Compiler Flag Option:
USB:
a. USE_ASYNC_IRP: Both sync/async operations are provided.
Only sync read/rtw_write_mem operations are provided.
jackson@realtek.com.tw
*/
#define _RTW_IO_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <rtw_io.h>
#include <osdep_intf.h>
#include <usb_ops.h>
#define rtw_le16_to_cpu(val) le16_to_cpu(val)
#define rtw_le32_to_cpu(val) le32_to_cpu(val)
#define rtw_cpu_to_le16(val) cpu_to_le16(val)
#define rtw_cpu_to_le32(val) cpu_to_le32(val)
u8 _rtw_read8(struct adapter *adapter, u32 addr)
{
u8 r_val;
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
_read8 = pintfhdl->io_ops._read8;
r_val = _read8(pintfhdl, addr);
return r_val;
}
u16 _rtw_read16(struct adapter *adapter, u32 addr)
{
u16 r_val;
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
_read16 = pintfhdl->io_ops._read16;
r_val = _read16(pintfhdl, addr);
return r_val;
}
u32 _rtw_read32(struct adapter *adapter, u32 addr)
{
u32 r_val;
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr);
_read32 = pintfhdl->io_ops._read32;
r_val = _read32(pintfhdl, addr);
return r_val;
}
int _rtw_write8(struct adapter *adapter, u32 addr, u8 val)
{
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
int ret;
_write8 = pintfhdl->io_ops._write8;
ret = _write8(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write16(struct adapter *adapter, u32 addr, u16 val)
{
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
int ret;
_write16 = pintfhdl->io_ops._write16;
ret = _write16(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write32(struct adapter *adapter, u32 addr, u32 val)
{
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
int ret;
_write32 = pintfhdl->io_ops._write32;
ret = _write32(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_writeN(struct adapter *adapter, u32 addr , u32 length , u8 *pdata)
{
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = (struct intf_hdl *)(&(pio_priv->intf));
int (*_writeN)(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata);
int ret;
_writeN = pintfhdl->io_ops._writeN;
ret = _writeN(pintfhdl, addr, length, pdata);
return RTW_STATUS_CODE(ret);
}
int _rtw_write8_async(struct adapter *adapter, u32 addr, u8 val)
{
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write8_async)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
int ret;
_write8_async = pintfhdl->io_ops._write8_async;
ret = _write8_async(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write16_async(struct adapter *adapter, u32 addr, u16 val)
{
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write16_async)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
int ret;
_write16_async = pintfhdl->io_ops._write16_async;
ret = _write16_async(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write32_async(struct adapter *adapter, u32 addr, u32 val)
{
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write32_async)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
int ret;
_write32_async = pintfhdl->io_ops._write32_async;
ret = _write32_async(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
if (adapter->bDriverStopped || adapter->bSurpriseRemoved) {
RT_TRACE(_module_rtl871x_io_c_, _drv_info_,
("rtw_read_mem:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
adapter->bDriverStopped, adapter->bSurpriseRemoved));
return;
}
_read_mem = pintfhdl->io_ops._read_mem;
_read_mem(pintfhdl, addr, cnt, pmem);
}
void _rtw_write_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
_write_mem = pintfhdl->io_ops._write_mem;
_write_mem(pintfhdl, addr, cnt, pmem);
}
void _rtw_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
if (adapter->bDriverStopped || adapter->bSurpriseRemoved) {
RT_TRACE(_module_rtl871x_io_c_, _drv_info_,
("rtw_read_port:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
adapter->bDriverStopped, adapter->bSurpriseRemoved));
return;
}
_read_port = pintfhdl->io_ops._read_port;
_read_port(pintfhdl, addr, cnt, pmem);
}
void _rtw_read_port_cancel(struct adapter *adapter)
{
void (*_read_port_cancel)(struct intf_hdl *pintfhdl);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
_read_port_cancel = pintfhdl->io_ops._read_port_cancel;
if (_read_port_cancel)
_read_port_cancel(pintfhdl);
}
u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u32 ret = _SUCCESS;
_write_port = pintfhdl->io_ops._write_port;
ret = _write_port(pintfhdl, addr, cnt, pmem);
return ret;
}
u32 _rtw_write_port_and_wait(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem, int timeout_ms)
{
int ret = _SUCCESS;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)pmem;
struct submit_ctx sctx;
rtw_sctx_init(&sctx, timeout_ms);
pxmitbuf->sctx = &sctx;
ret = _rtw_write_port(adapter, addr, cnt, pmem);
if (ret == _SUCCESS)
ret = rtw_sctx_wait(&sctx);
return ret;
}
void _rtw_write_port_cancel(struct adapter *adapter)
{
void (*_write_port_cancel)(struct intf_hdl *pintfhdl);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
_write_port_cancel = pintfhdl->io_ops._write_port_cancel;
if (_write_port_cancel)
_write_port_cancel(pintfhdl);
}
int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct _io_ops *pops))
{
struct io_priv *piopriv = &padapter->iopriv;
struct intf_hdl *pintf = &piopriv->intf;
if (set_intf_ops == NULL)
return _FAIL;
piopriv->padapter = padapter;
pintf->padapter = padapter;
pintf->pintf_dev = adapter_to_dvobj(padapter);
set_intf_ops(&pintf->io_ops);
return _SUCCESS;
}