drivers/net/wireless/wl1251/spi.h

   1 /*
   2  * This file is part of wl1251
   3  *
   4  * Copyright (c) 1998-2007 Texas Instruments Incorporated
   5  * Copyright (C) 2008 Nokia Corporation
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  19  * 02110-1301 USA
  20  *
  21  */
  22
  23 #ifndef __WL1251_SPI_H__
  24 #define __WL1251_SPI_H__
  25
  26 #include "cmd.h"
  27 #include "acx.h"
  28 #include "reg.h"
  29
  30 #define WSPI_CMD_READ                 0x40000000
  31 #define WSPI_CMD_WRITE                0x00000000
  32 #define WSPI_CMD_FIXED                0x20000000
  33 #define WSPI_CMD_BYTE_LENGTH          0x1FFE0000
  34 #define WSPI_CMD_BYTE_LENGTH_OFFSET   17
  35 #define WSPI_CMD_BYTE_ADDR            0x0001FFFF
  36
  37 #define WSPI_INIT_CMD_CRC_LEN       5
  38
  39 #define WSPI_INIT_CMD_START         0x00
  40 #define WSPI_INIT_CMD_TX            0x40
  41 /* the extra bypass bit is sampled by the TNET as '1' */
  42 #define WSPI_INIT_CMD_BYPASS_BIT    0x80
  43 #define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07
  44 #define WSPI_INIT_CMD_EN_FIXEDBUSY  0x80
  45 #define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00
  46 #define WSPI_INIT_CMD_IOD           0x40
  47 #define WSPI_INIT_CMD_IP            0x20
  48 #define WSPI_INIT_CMD_CS            0x10
  49 #define WSPI_INIT_CMD_WS            0x08
  50 #define WSPI_INIT_CMD_WSPI          0x01
  51 #define WSPI_INIT_CMD_END           0x01
  52
  53 #define WSPI_INIT_CMD_LEN           8
  54
  55 #define HW_ACCESS_WSPI_FIXED_BUSY_LEN \
  56                 ((WL1251_BUSY_WORD_LEN - 4) / sizeof(u32))
  57 #define HW_ACCESS_WSPI_INIT_CMD_MASK  0
  58
  59 #endif /* __WL1251_SPI_H__ */