1. 根目录:
2. drivers
3. staging
4. rtl8712
5. rtl8712_io.c

/******************************************************************************
 * rtl8712_io.c
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 * Linux device driver for RTL8192SU
 *
 * 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
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>.
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/

#define _RTL8712_IO_C_

#include "osdep_service.h"
#include "drv_types.h"
#include "rtl871x_io.h"
#include "osdep_intf.h"
#include "usb_ops.h"

u8 r8712_read8(struct _adapter *adapter, u32 addr)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);
	u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
	u8 r_val;

	_read8 = pintfhdl->io_ops._read8;
	r_val = _read8(pintfhdl, addr);
	return r_val;
}

u16 r8712_read16(struct _adapter *adapter, u32 addr)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);
	u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
	u16 r_val;

	_read16 = pintfhdl->io_ops._read16;
	r_val = _read16(pintfhdl, addr);
	return r_val;
}

u32 r8712_read32(struct _adapter *adapter, u32 addr)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);
	u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr);
	u32 r_val;

	_read32 = pintfhdl->io_ops._read32;
	r_val = _read32(pintfhdl, addr);
	return r_val;
}

void r8712_write8(struct _adapter *adapter, u32 addr, u8 val)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);
	void (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);

	_write8 = pintfhdl->io_ops._write8;
	_write8(pintfhdl, addr, val);
}

void r8712_write16(struct _adapter *adapter, u32 addr, u16 val)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);

	void (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
	_write16 = pintfhdl->io_ops._write16;
	_write16(pintfhdl, addr, val);
}

void r8712_write32(struct _adapter *adapter, u32 addr, u32 val)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = (struct intf_hdl *)(&(pio_queue->intf));

	void (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
	_write32 = pintfhdl->io_ops._write32;
	_write32(pintfhdl, addr, val);
}

void r8712_read_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);

	void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
			  u8 *pmem);
	if ((adapter->bDriverStopped == true) ||
	    (adapter->bSurpriseRemoved == true))
		return;
	_read_mem = pintfhdl->io_ops._read_mem;
	_read_mem(pintfhdl, addr, cnt, pmem);
}

void r8712_write_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);
	void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
			   u8 *pmem);

	_write_mem = pintfhdl->io_ops._write_mem;
	_write_mem(pintfhdl, addr, cnt, pmem);
}

void r8712_read_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl	*pintfhdl = &(pio_queue->intf);

	u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
			  u8 *pmem);
	if ((adapter->bDriverStopped == true) ||
	    (adapter->bSurpriseRemoved == true))
		return;
	_read_port = pintfhdl->io_ops._read_port;
	_read_port(pintfhdl, addr, cnt, pmem);
}

void r8712_write_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
	struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue;
	struct intf_hdl *pintfhdl = &(pio_queue->intf);

	u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
			   u8 *pmem);
	_write_port = pintfhdl->io_ops._write_port;
	_write_port(pintfhdl, addr, cnt, pmem);
}