io.h revision 645865fc377c9ac73df590abf8e6af65824390a3
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_enable_interrupts(struct wl1271 *wl); 49 50void wl1271_io_reset(struct wl1271 *wl); 51void wl1271_io_init(struct wl1271 *wl); 52int wlcore_translate_addr(struct wl1271 *wl, int addr); 53 54/* Raw target IO, address is not translated */ 55static 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 61static 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 67static 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 73static 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 79static 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 87static 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 94static 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 104static 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 114static 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 120static 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 126static 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 140static inline u32 wl1271_read32(struct wl1271 *wl, int addr) 141{ 142 return wl1271_raw_read32(wl, wlcore_translate_addr(wl, addr)); 143} 144 145static 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 150static 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 156static 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 161static inline void wl1271_power_off(struct wl1271 *wl) 162{ 163 int ret; 164 165 if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags)) 166 return; 167 168 ret = wl->if_ops->power(wl->dev, false); 169 if (!ret) 170 clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); 171} 172 173static inline int wl1271_power_on(struct wl1271 *wl) 174{ 175 int ret = wl->if_ops->power(wl->dev, true); 176 if (ret == 0) 177 set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); 178 179 return ret; 180} 181 182void wlcore_set_partition(struct wl1271 *wl, 183 const struct wlcore_partition_set *p); 184 185bool wl1271_set_block_size(struct wl1271 *wl); 186 187/* Functions from wl1271_main.c */ 188 189int wl1271_tx_dummy_packet(struct wl1271 *wl); 190 191void wlcore_select_partition(struct wl1271 *wl, u8 part); 192 193#endif 194