LXR linux/drivers/net/wireless/ti/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
  37static inline u32 wl1251_read32(struct wl1251 *wl, int addr)
  38{
  39        wl->if_ops->read(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32));
  40
  41        return le32_to_cpu(wl->buffer_32);
  42}
  43
  44static inline void wl1251_write32(struct wl1251 *wl, int addr, u32 val)
  45{
  46        wl->buffer_32 = cpu_to_le32(val);
  47        wl->if_ops->write(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32));
  48}
  49
  50static inline u32 wl1251_read_elp(struct wl1251 *wl, int addr)
  51{
  52        u32 response;
  53
  54        if (wl->if_ops->read_elp)
  55                wl->if_ops->read_elp(wl, addr, &response);
  56        else
  57                wl->if_ops->read(wl, addr, &response, sizeof(u32));
  58
  59        return response;
  60}
  61
  62static inline void wl1251_write_elp(struct wl1251 *wl, int addr, u32 val)
  63{
  64        if (wl->if_ops->write_elp)
  65                wl->if_ops->write_elp(wl, addr, val);
  66        else
  67                wl->if_ops->write(wl, addr, &val, sizeof(u32));
  68}
  69
  70/* Memory target IO, address is translated to partition 0 */
  71void wl1251_mem_read(struct wl1251 *wl, int addr, void *buf, size_t len);
  72void wl1251_mem_write(struct wl1251 *wl, int addr, void *buf, size_t len);
  73u32 wl1251_mem_read32(struct wl1251 *wl, int addr);
  74void wl1251_mem_write32(struct wl1251 *wl, int addr, u32 val);
  75/* Registers IO */
  76u32 wl1251_reg_read32(struct wl1251 *wl, int addr);
  77void wl1251_reg_write32(struct wl1251 *wl, int addr, u32 val);
  78
  79void wl1251_set_partition(struct wl1251 *wl,
  80                          u32 part_start, u32 part_size,
  81                          u32 reg_start,  u32 reg_size);
  82
  83#endif
  84