drivers/net/wireless/ti/wlcore/io.h

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
   5  * Copyright (C) 2008-2010 Nokia Corporation
   6  *
   7  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  *
  23  */
  24
  25 #ifndef __IO_H__
  26 #define __IO_H__
  27
  28 #include <linux/irqreturn.h>
  29
  30 #define HW_ACCESS_MEMORY_MAX_RANGE      0x1FFC0
  31
  32 #define HW_PARTITION_REGISTERS_ADDR     0x1FFC0
  33 #define HW_PART0_SIZE_ADDR              (HW_PARTITION_REGISTERS_ADDR)
  34 #define HW_PART0_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 4)
  35 #define HW_PART1_SIZE_ADDR              (HW_PARTITION_REGISTERS_ADDR + 8)
  36 #define HW_PART1_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 12)
  37 #define HW_PART2_SIZE_ADDR              (HW_PARTITION_REGISTERS_ADDR + 16)
  38 #define HW_PART2_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 20)
  39 #define HW_PART3_START_ADDR             (HW_PARTITION_REGISTERS_ADDR + 24)
  40
  41 #define HW_ACCESS_REGISTER_SIZE         4
  42
  43 #define HW_ACCESS_PRAM_MAX_RANGE        0x3c000
  44
  45 struct wl1271;
  46
  47 void wlcore_disable_interrupts(struct wl1271 *wl);
  48 void wlcore_enable_interrupts(struct wl1271 *wl);
  49
  50 void wl1271_io_reset(struct wl1271 *wl);
  51 void wl1271_io_init(struct wl1271 *wl);
  52 int wlcore_translate_addr(struct wl1271 *wl, int addr);
  53
  54 /* Raw target IO, address is not translated */
  55 static inline void wl1271_raw_write(struct wl1271 *wl, int addr, void *buf,
  56                                     size_t len, bool fixed)
  57 {
  58         wl->if_ops->write(wl->dev, addr, buf, len, fixed);
  59 }
  60
  61 static inline void wl1271_raw_read(struct wl1271 *wl, int addr, void *buf,
  62                                    size_t len, bool fixed)
  63 {
  64         wl->if_ops->read(wl->dev, addr, buf, len, fixed);
  65 }
  66
  67 static inline void wlcore_raw_read_data(struct wl1271 *wl, int reg, void *buf,
  68                                         size_t len, bool fixed)
  69 {
  70         wl1271_raw_read(wl, wl->rtable[reg], buf, len, fixed);
  71 }
  72
  73 static inline void wlcore_raw_write_data(struct wl1271 *wl, int reg, void *buf,
  74                                          size_t len, bool fixed)
  75 {
  76         wl1271_raw_write(wl, wl->rtable[reg], buf, len, fixed);
  77 }
  78
  79 static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr)
  80 {
  81         wl1271_raw_read(wl, addr, &wl->buffer_32,
  82                             sizeof(wl->buffer_32), false);
  83
  84         return le32_to_cpu(wl->buffer_32);
  85 }
  86
  87 static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val)
  88 {
  89         wl->buffer_32 = cpu_to_le32(val);
  90         wl1271_raw_write(wl, addr, &wl->buffer_32,
  91                              sizeof(wl->buffer_32), false);
  92 }
  93
  94 static inline void wl1271_read(struct wl1271 *wl, int addr, void *buf,
  95                                size_t len, bool fixed)
  96 {
  97         int physical;
  98
  99         physical = wlcore_translate_addr(wl, addr);
 100
 101         wl1271_raw_read(wl, physical, buf, len, fixed);
 102 }
 103
 104 static inline void wl1271_write(struct wl1271 *wl, int addr, void *buf,
 105                                 size_t len, bool fixed)
 106 {
 107         int physical;
 108
 109         physical = wlcore_translate_addr(wl, addr);
 110
 111         wl1271_raw_write(wl, physical, buf, len, fixed);
 112 }
 113
 114 static inline void wlcore_write_data(struct wl1271 *wl, int reg, void *buf,
 115                                      size_t len, bool fixed)
 116 {
 117         wl1271_write(wl, wl->rtable[reg], buf, len, fixed);
 118 }
 119
 120 static inline void wlcore_read_data(struct wl1271 *wl, int reg, void *buf,
 121                                     size_t len, bool fixed)
 122 {
 123         wl1271_read(wl, wl->rtable[reg], buf, len, fixed);
 124 }
 125
 126 static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr,
 127                                       void *buf, size_t len, bool fixed)
 128 {
 129         int physical;
 130         int addr;
 131
 132         /* Addresses are stored internally as addresses to 32 bytes blocks */
 133         addr = hwaddr << 5;
 134
 135         physical = wlcore_translate_addr(wl, addr);
 136
 137         wl1271_raw_read(wl, physical, buf, len, fixed);
 138 }
 139
 140 static inline u32 wl1271_read32(struct wl1271 *wl, int addr)
 141 {
 142         return wl1271_raw_read32(wl, wlcore_translate_addr(wl, addr));
 143 }
 144
 145 static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val)
 146 {
 147         wl1271_raw_write32(wl, wlcore_translate_addr(wl, addr), val);
 148 }
 149
 150 static inline u32 wlcore_read_reg(struct wl1271 *wl, int reg)
 151 {
 152         return wl1271_raw_read32(wl,
 153                                  wlcore_translate_addr(wl, wl->rtable[reg]));
 154 }
 155
 156 static inline void wlcore_write_reg(struct wl1271 *wl, int reg, u32 val)
 157 {
 158         wl1271_raw_write32(wl, wlcore_translate_addr(wl, wl->rtable[reg]), val);
 159 }
 160
 161 static inline void wl1271_power_off(struct wl1271 *wl)
 162 {
 163         wl->if_ops->power(wl->dev, false);
 164         clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 165 }
 166
 167 static inline int wl1271_power_on(struct wl1271 *wl)
 168 {
 169         int ret = wl->if_ops->power(wl->dev, true);
 170         if (ret == 0)
 171                 set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
 172
 173         return ret;
 174 }
 175
 176 void wlcore_set_partition(struct wl1271 *wl,
 177                           const struct wlcore_partition_set *p);
 178
 179 bool wl1271_set_block_size(struct wl1271 *wl);
 180
 181 /* Functions from wl1271_main.c */
 182
 183 int wl1271_tx_dummy_packet(struct wl1271 *wl);
 184
 185 void wlcore_select_partition(struct wl1271 *wl, u8 part);
 186
 187 #endif