io.h revision 6134323f42b0dbae8e8206414d26cb167b9bedfc
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 45struct wl1271; 46 47void wlcore_disable_interrupts(struct wl1271 *wl); 48void wlcore_disable_interrupts_nosync(struct wl1271 *wl); 49void wlcore_enable_interrupts(struct wl1271 *wl); 50 51void wl1271_io_reset(struct wl1271 *wl); 52void wl1271_io_init(struct wl1271 *wl); 53int wlcore_translate_addr(struct wl1271 *wl, int addr); 54 55/* Raw target IO, address is not translated */ 56static inline int wlcore_raw_write(struct wl1271 *wl, int addr, void *buf, 57 size_t len, bool fixed) 58{ 59 return wl->if_ops->write(wl->dev, addr, buf, len, fixed); 60} 61 62static inline int wlcore_raw_read(struct wl1271 *wl, int addr, void *buf, 63 size_t len, bool fixed) 64{ 65 return wl->if_ops->read(wl->dev, addr, buf, len, fixed); 66} 67 68static inline int wlcore_raw_read_data(struct wl1271 *wl, int reg, void *buf, 69 size_t len, bool fixed) 70{ 71 return wlcore_raw_read(wl, wl->rtable[reg], buf, len, fixed); 72} 73 74static inline int wlcore_raw_write_data(struct wl1271 *wl, int reg, void *buf, 75 size_t len, bool fixed) 76{ 77 return wlcore_raw_write(wl, wl->rtable[reg], buf, len, fixed); 78} 79 80static inline int wlcore_raw_read32(struct wl1271 *wl, int addr, u32 *val) 81{ 82 int ret; 83 84 ret = wlcore_raw_read(wl, addr, &wl->buffer_32, 85 sizeof(wl->buffer_32), false); 86 if (ret < 0) 87 return ret; 88 89 if (val) 90 *val = le32_to_cpu(wl->buffer_32); 91 92 return 0; 93} 94 95static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val) 96{ 97 wl->buffer_32 = cpu_to_le32(val); 98 wlcore_raw_write(wl, addr, &wl->buffer_32, 99 sizeof(wl->buffer_32), false); 100} 101 102static inline int wlcore_read(struct wl1271 *wl, int addr, void *buf, 103 size_t len, bool fixed) 104{ 105 int physical; 106 107 physical = wlcore_translate_addr(wl, addr); 108 109 return wlcore_raw_read(wl, physical, buf, len, fixed); 110} 111 112static inline int wlcore_write(struct wl1271 *wl, int addr, void *buf, 113 size_t len, bool fixed) 114{ 115 int physical; 116 117 physical = wlcore_translate_addr(wl, addr); 118 119 return wlcore_raw_write(wl, physical, buf, len, fixed); 120} 121 122static inline int wlcore_write_data(struct wl1271 *wl, int reg, void *buf, 123 size_t len, bool fixed) 124{ 125 return wlcore_write(wl, wl->rtable[reg], buf, len, fixed); 126} 127 128static inline int wlcore_read_data(struct wl1271 *wl, int reg, void *buf, 129 size_t len, bool fixed) 130{ 131 return wlcore_read(wl, wl->rtable[reg], buf, len, fixed); 132} 133 134static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr, 135 void *buf, size_t len, bool fixed) 136{ 137 int physical; 138 int addr; 139 140 /* Addresses are stored internally as addresses to 32 bytes blocks */ 141 addr = hwaddr << 5; 142 143 physical = wlcore_translate_addr(wl, addr); 144 145 wlcore_raw_read(wl, physical, buf, len, fixed); 146} 147 148static inline int wlcore_read32(struct wl1271 *wl, int addr, u32 *val) 149{ 150 return wlcore_raw_read32(wl, wlcore_translate_addr(wl, addr), val); 151} 152 153static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val) 154{ 155 wl1271_raw_write32(wl, wlcore_translate_addr(wl, addr), val); 156} 157 158static inline int wlcore_read_reg(struct wl1271 *wl, int reg, u32 *val) 159{ 160 return wlcore_raw_read32(wl, 161 wlcore_translate_addr(wl, wl->rtable[reg]), 162 val); 163} 164 165static inline void wlcore_write_reg(struct wl1271 *wl, int reg, u32 val) 166{ 167 wl1271_raw_write32(wl, wlcore_translate_addr(wl, wl->rtable[reg]), val); 168} 169 170static inline void wl1271_power_off(struct wl1271 *wl) 171{ 172 int ret; 173 174 if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags)) 175 return; 176 177 ret = wl->if_ops->power(wl->dev, false); 178 if (!ret) 179 clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); 180} 181 182static inline int wl1271_power_on(struct wl1271 *wl) 183{ 184 int ret = wl->if_ops->power(wl->dev, true); 185 if (ret == 0) 186 set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); 187 188 return ret; 189} 190 191void wlcore_set_partition(struct wl1271 *wl, 192 const struct wlcore_partition_set *p); 193 194bool wl1271_set_block_size(struct wl1271 *wl); 195 196/* Functions from wl1271_main.c */ 197 198int wl1271_tx_dummy_packet(struct wl1271 *wl); 199 200void wlcore_select_partition(struct wl1271 *wl, u8 part); 201 202#endif 203