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 188