1. 根目录:
2. drivers
3. net
4. ethernet
5. intel
6. e1000
7. e1000_osdep.h

/*******************************************************************************

  Intel PRO/1000 Linux driver
  Copyright(c) 1999 - 2006 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope 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 St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information:
  Linux NICS <linux.nics@intel.com>
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/


/* glue for the OS independent part of e1000
 * includes register access macros
 */

#ifndef _E1000_OSDEP_H_
#define _E1000_OSDEP_H_

#include <asm/io.h>

#define CONFIG_RAM_BASE         0x60000
#define GBE_CONFIG_OFFSET       0x0

#define GBE_CONFIG_RAM_BASE \
	((unsigned int)(CONFIG_RAM_BASE + GBE_CONFIG_OFFSET))

#define GBE_CONFIG_BASE_VIRT \
	((void __iomem *)phys_to_virt(GBE_CONFIG_RAM_BASE))

#define GBE_CONFIG_FLASH_WRITE(base, offset, count, data) \
	(iowrite16_rep(base + offset, data, count))

#define GBE_CONFIG_FLASH_READ(base, offset, count, data) \
	(ioread16_rep(base + (offset << 1), data, count))

#define er32(reg)							\
	(readl(hw->hw_addr + ((hw->mac_type >= e1000_82543)		\
			       ? E1000_##reg : E1000_82542_##reg)))

#define ew32(reg, value)						\
	(writel((value), (hw->hw_addr + ((hw->mac_type >= e1000_82543)	\
					 ? E1000_##reg : E1000_82542_##reg))))

#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
    writel((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 2))))

#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
    readl((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 2)))

#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY

#define E1000_WRITE_REG_ARRAY_WORD(a, reg, offset, value) ( \
    writew((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 1))))

#define E1000_READ_REG_ARRAY_WORD(a, reg, offset) ( \
    readw((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 1)))

#define E1000_WRITE_REG_ARRAY_BYTE(a, reg, offset, value) ( \
    writeb((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        (offset))))

#define E1000_READ_REG_ARRAY_BYTE(a, reg, offset) ( \
    readb((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        (offset)))

#define E1000_WRITE_FLUSH() er32(STATUS)

#define E1000_WRITE_ICH_FLASH_REG(a, reg, value) ( \
    writel((value), ((a)->flash_address + reg)))

#define E1000_READ_ICH_FLASH_REG(a, reg) ( \
    readl((a)->flash_address + reg))

#define E1000_WRITE_ICH_FLASH_REG16(a, reg, value) ( \
    writew((value), ((a)->flash_address + reg)))

#define E1000_READ_ICH_FLASH_REG16(a, reg) ( \
    readw((a)->flash_address + reg))

#endif /* _E1000_OSDEP_H_ */