io.h (6039B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * This file is part of wl1271 4 * 5 * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. 6 * Copyright (C) 2008-2010 Nokia Corporation 7 * 8 * Contact: Luciano Coelho <luciano.coelho@nokia.com> 9 */ 10 11#ifndef __IO_H__ 12#define __IO_H__ 13 14#include <linux/irqreturn.h> 15 16#define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 17 18#define HW_PARTITION_REGISTERS_ADDR 0x1FFC0 19#define HW_PART0_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR) 20#define HW_PART0_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 4) 21#define HW_PART1_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 8) 22#define HW_PART1_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 12) 23#define HW_PART2_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 16) 24#define HW_PART2_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 20) 25#define HW_PART3_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 24) 26#define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 28) 27 28#define HW_ACCESS_REGISTER_SIZE 4 29 30#define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 31 32struct wl1271; 33 34void wlcore_disable_interrupts(struct wl1271 *wl); 35void wlcore_disable_interrupts_nosync(struct wl1271 *wl); 36void wlcore_enable_interrupts(struct wl1271 *wl); 37void wlcore_synchronize_interrupts(struct wl1271 *wl); 38 39void wl1271_io_reset(struct wl1271 *wl); 40void wl1271_io_init(struct wl1271 *wl); 41int wlcore_translate_addr(struct wl1271 *wl, int addr); 42 43/* Raw target IO, address is not translated */ 44static inline int __must_check wlcore_raw_write(struct wl1271 *wl, int addr, 45 void *buf, size_t len, 46 bool fixed) 47{ 48 int ret; 49 50 if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags) || 51 WARN_ON((test_bit(WL1271_FLAG_IN_ELP, &wl->flags) && 52 addr != HW_ACCESS_ELP_CTRL_REG))) 53 return -EIO; 54 55 ret = wl->if_ops->write(wl->dev, addr, buf, len, fixed); 56 if (ret && wl->state != WLCORE_STATE_OFF) 57 set_bit(WL1271_FLAG_IO_FAILED, &wl->flags); 58 59 return ret; 60} 61 62static inline int __must_check wlcore_raw_read(struct wl1271 *wl, int addr, 63 void *buf, size_t len, 64 bool fixed) 65{ 66 int ret; 67 68 if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags) || 69 WARN_ON((test_bit(WL1271_FLAG_IN_ELP, &wl->flags) && 70 addr != HW_ACCESS_ELP_CTRL_REG))) 71 return -EIO; 72 73 ret = wl->if_ops->read(wl->dev, addr, buf, len, fixed); 74 if (ret && wl->state != WLCORE_STATE_OFF) 75 set_bit(WL1271_FLAG_IO_FAILED, &wl->flags); 76 77 return ret; 78} 79 80static inline int __must_check wlcore_raw_read_data(struct wl1271 *wl, int reg, 81 void *buf, size_t len, 82 bool fixed) 83{ 84 return wlcore_raw_read(wl, wl->rtable[reg], buf, len, fixed); 85} 86 87static inline int __must_check wlcore_raw_write_data(struct wl1271 *wl, int reg, 88 void *buf, size_t len, 89 bool fixed) 90{ 91 return wlcore_raw_write(wl, wl->rtable[reg], buf, len, fixed); 92} 93 94static inline int __must_check wlcore_raw_read32(struct wl1271 *wl, int addr, 95 u32 *val) 96{ 97 int ret; 98 99 ret = wlcore_raw_read(wl, addr, wl->buffer_32, 100 sizeof(*wl->buffer_32), false); 101 if (ret < 0) 102 return ret; 103 104 if (val) 105 *val = le32_to_cpu(*wl->buffer_32); 106 107 return 0; 108} 109 110static inline int __must_check wlcore_raw_write32(struct wl1271 *wl, int addr, 111 u32 val) 112{ 113 *wl->buffer_32 = cpu_to_le32(val); 114 return wlcore_raw_write(wl, addr, wl->buffer_32, 115 sizeof(*wl->buffer_32), false); 116} 117 118static inline int __must_check wlcore_read(struct wl1271 *wl, int addr, 119 void *buf, size_t len, bool fixed) 120{ 121 int physical; 122 123 physical = wlcore_translate_addr(wl, addr); 124 125 return wlcore_raw_read(wl, physical, buf, len, fixed); 126} 127 128static inline int __must_check wlcore_write(struct wl1271 *wl, int addr, 129 void *buf, size_t len, bool fixed) 130{ 131 int physical; 132 133 physical = wlcore_translate_addr(wl, addr); 134 135 return wlcore_raw_write(wl, physical, buf, len, fixed); 136} 137 138static inline int __must_check wlcore_write_data(struct wl1271 *wl, int reg, 139 void *buf, size_t len, 140 bool fixed) 141{ 142 return wlcore_write(wl, wl->rtable[reg], buf, len, fixed); 143} 144 145static inline int __must_check wlcore_read_data(struct wl1271 *wl, int reg, 146 void *buf, size_t len, 147 bool fixed) 148{ 149 return wlcore_read(wl, wl->rtable[reg], buf, len, fixed); 150} 151 152static inline int __must_check wlcore_read_hwaddr(struct wl1271 *wl, int hwaddr, 153 void *buf, size_t len, 154 bool fixed) 155{ 156 int physical; 157 int addr; 158 159 /* Convert from FW internal address which is chip arch dependent */ 160 addr = wl->ops->convert_hwaddr(wl, hwaddr); 161 162 physical = wlcore_translate_addr(wl, addr); 163 164 return wlcore_raw_read(wl, physical, buf, len, fixed); 165} 166 167static inline int __must_check wlcore_read32(struct wl1271 *wl, int addr, 168 u32 *val) 169{ 170 return wlcore_raw_read32(wl, wlcore_translate_addr(wl, addr), val); 171} 172 173static inline int __must_check wlcore_write32(struct wl1271 *wl, int addr, 174 u32 val) 175{ 176 return wlcore_raw_write32(wl, wlcore_translate_addr(wl, addr), val); 177} 178 179static inline int __must_check wlcore_read_reg(struct wl1271 *wl, int reg, 180 u32 *val) 181{ 182 return wlcore_raw_read32(wl, 183 wlcore_translate_addr(wl, wl->rtable[reg]), 184 val); 185} 186 187static inline int __must_check wlcore_write_reg(struct wl1271 *wl, int reg, 188 u32 val) 189{ 190 return wlcore_raw_write32(wl, 191 wlcore_translate_addr(wl, wl->rtable[reg]), 192 val); 193} 194 195static inline void wl1271_power_off(struct wl1271 *wl) 196{ 197 int ret = 0; 198 199 if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags)) 200 return; 201 202 if (wl->if_ops->power) 203 ret = wl->if_ops->power(wl->dev, false); 204 if (!ret) 205 clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); 206} 207 208static inline int wl1271_power_on(struct wl1271 *wl) 209{ 210 int ret = 0; 211 212 if (wl->if_ops->power) 213 ret = wl->if_ops->power(wl->dev, true); 214 if (ret == 0) 215 set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); 216 217 return ret; 218} 219 220int wlcore_set_partition(struct wl1271 *wl, 221 const struct wlcore_partition_set *p); 222 223bool wl1271_set_block_size(struct wl1271 *wl); 224 225/* Functions from wl1271_main.c */ 226 227int wl1271_tx_dummy_packet(struct wl1271 *wl); 228 229#endif