drivers/net/wireless/wl1251/io.h

   1 /*
   2  * This file is part of wl12xx
   3  *
   4  * Copyright (C) 2008 Nokia Corporation
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21 #ifndef __WL1251_IO_H__
  22 #define __WL1251_IO_H__
  23
  24 #include "wl1251.h"
  25
  26 #define HW_ACCESS_MEMORY_MAX_RANGE              0x1FFC0
  27
  28 #define HW_ACCESS_PART0_SIZE_ADDR           0x1FFC0
  29 #define HW_ACCESS_PART0_START_ADDR          0x1FFC4
  30 #define HW_ACCESS_PART1_SIZE_ADDR           0x1FFC8
  31 #define HW_ACCESS_PART1_START_ADDR          0x1FFCC
  32
  33 #define HW_ACCESS_REGISTER_SIZE             4
  34
  35 #define HW_ACCESS_PRAM_MAX_RANGE                0x3c000
  36
  37 static inline u32 wl1251_read32(struct wl1251 *wl, int addr)
  38 {
  39         u32 response;
  40
  41         wl->if_ops->read(wl, addr, &response, sizeof(u32));
  42
  43         return response;
  44 }
  45
  46 static inline void wl1251_write32(struct wl1251 *wl, int addr, u32 val)
  47 {
  48         wl->if_ops->write(wl, addr, &val, sizeof(u32));
  49 }
  50
  51 static inline u32 wl1251_read_elp(struct wl1251 *wl, int addr)
  52 {
  53         u32 response;
  54
  55         if (wl->if_ops->read_elp)
  56                 wl->if_ops->read_elp(wl, addr, &response);
  57         else
  58                 wl->if_ops->read(wl, addr, &response, sizeof(u32));
  59
  60         return response;
  61 }
  62
  63 static inline void wl1251_write_elp(struct wl1251 *wl, int addr, u32 val)
  64 {
  65         if (wl->if_ops->write_elp)
  66                 wl->if_ops->write_elp(wl, addr, val);
  67         else
  68                 wl->if_ops->write(wl, addr, &val, sizeof(u32));
  69 }
  70
  71 /* Memory target IO, address is translated to partition 0 */
  72 void wl1251_mem_read(struct wl1251 *wl, int addr, void *buf, size_t len);
  73 void wl1251_mem_write(struct wl1251 *wl, int addr, void *buf, size_t len);
  74 u32 wl1251_mem_read32(struct wl1251 *wl, int addr);
  75 void wl1251_mem_write32(struct wl1251 *wl, int addr, u32 val);
  76 /* Registers IO */
  77 u32 wl1251_reg_read32(struct wl1251 *wl, int addr);
  78 void wl1251_reg_write32(struct wl1251 *wl, int addr, u32 val);
  79
  80 void wl1251_set_partition(struct wl1251 *wl,
  81                           u32 part_start, u32 part_size,
  82                           u32 reg_start,  u32 reg_size);
  83
  84 #endif