diff options
| author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
|---|---|---|
| committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
| commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
| tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/net/wireless/wl12xx/io.h | |
| parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) | |
Diffstat (limited to 'drivers/net/wireless/wl12xx/io.h')
| -rw-r--r-- | drivers/net/wireless/wl12xx/io.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/io.h b/drivers/net/wireless/wl12xx/io.h new file mode 100644 index 00000000000..a2fe4f506ad --- /dev/null +++ b/drivers/net/wireless/wl12xx/io.h | |||
| @@ -0,0 +1,191 @@ | |||
| 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 | #include "reg.h" | ||
| 30 | |||
| 31 | #define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 | ||
| 32 | |||
| 33 | #define HW_PARTITION_REGISTERS_ADDR 0x1FFC0 | ||
| 34 | #define HW_PART0_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR) | ||
| 35 | #define HW_PART0_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 4) | ||
| 36 | #define HW_PART1_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 8) | ||
| 37 | #define HW_PART1_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 12) | ||
| 38 | #define HW_PART2_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 16) | ||
| 39 | #define HW_PART2_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 20) | ||
| 40 | #define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 24) | ||
| 41 | |||
| 42 | #define HW_ACCESS_REGISTER_SIZE 4 | ||
| 43 | |||
| 44 | #define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 | ||
| 45 | |||
| 46 | struct wl1271; | ||
| 47 | |||
| 48 | void wl1271_disable_interrupts(struct wl1271 *wl); | ||
| 49 | void wl1271_enable_interrupts(struct wl1271 *wl); | ||
| 50 | |||
| 51 | void wl1271_io_reset(struct wl1271 *wl); | ||
| 52 | void wl1271_io_init(struct wl1271 *wl); | ||
| 53 | |||
| 54 | static inline struct device *wl1271_wl_to_dev(struct wl1271 *wl) | ||
| 55 | { | ||
| 56 | return wl->if_ops->dev(wl); | ||
| 57 | } | ||
| 58 | |||
| 59 | |||
| 60 | /* Raw target IO, address is not translated */ | ||
| 61 | static inline void wl1271_raw_write(struct wl1271 *wl, int addr, void *buf, | ||
| 62 | size_t len, bool fixed) | ||
| 63 | { | ||
| 64 | wl->if_ops->write(wl, addr, buf, len, fixed); | ||
| 65 | } | ||
| 66 | |||
| 67 | static inline void wl1271_raw_read(struct wl1271 *wl, int addr, void *buf, | ||
| 68 | size_t len, bool fixed) | ||
| 69 | { | ||
| 70 | wl->if_ops->read(wl, addr, buf, len, fixed); | ||
| 71 | } | ||
| 72 | |||
| 73 | static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr) | ||
| 74 | { | ||
| 75 | wl1271_raw_read(wl, addr, &wl->buffer_32, | ||
| 76 | sizeof(wl->buffer_32), false); | ||
| 77 | |||
| 78 | return le32_to_cpu(wl->buffer_32); | ||
| 79 | } | ||
| 80 | |||
| 81 | static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val) | ||
| 82 | { | ||
| 83 | wl->buffer_32 = cpu_to_le32(val); | ||
| 84 | wl1271_raw_write(wl, addr, &wl->buffer_32, | ||
| 85 | sizeof(wl->buffer_32), false); | ||
| 86 | } | ||
| 87 | |||
| 88 | /* Translated target IO */ | ||
| 89 | static inline int wl1271_translate_addr(struct wl1271 *wl, int addr) | ||
| 90 | { | ||
| 91 | /* | ||
| 92 | * To translate, first check to which window of addresses the | ||
| 93 | * particular address belongs. Then subtract the starting address | ||
| 94 | * of that window from the address. Then, add offset of the | ||
| 95 | * translated region. | ||
| 96 | * | ||
| 97 | * The translated regions occur next to each other in physical device | ||
| 98 | * memory, so just add the sizes of the preceding address regions to | ||
| 99 | * get the offset to the new region. | ||
| 100 | * | ||
| 101 | * Currently, only the two first regions are addressed, and the | ||
| 102 | * assumption is that all addresses will fall into either of those | ||
| 103 | * two. | ||
| 104 | */ | ||
| 105 | if ((addr >= wl->part.reg.start) && | ||
| 106 | (addr < wl->part.reg.start + wl->part.reg.size)) | ||
| 107 | return addr - wl->part.reg.start + wl->part.mem.size; | ||
| 108 | else | ||
| 109 | return addr - wl->part.mem.start; | ||
| 110 | } | ||
| 111 | |||
| 112 | static inline void wl1271_read(struct wl1271 *wl, int addr, void *buf, | ||
| 113 | size_t len, bool fixed) | ||
| 114 | { | ||
| 115 | int physical; | ||
| 116 | |||
| 117 | physical = wl1271_translate_addr(wl, addr); | ||
| 118 | |||
| 119 | wl1271_raw_read(wl, physical, buf, len, fixed); | ||
| 120 | } | ||
| 121 | |||
| 122 | static inline void wl1271_write(struct wl1271 *wl, int addr, void *buf, | ||
| 123 | size_t len, bool fixed) | ||
| 124 | { | ||
| 125 | int physical; | ||
| 126 | |||
| 127 | physical = wl1271_translate_addr(wl, addr); | ||
| 128 | |||
| 129 | wl1271_raw_write(wl, physical, buf, len, fixed); | ||
| 130 | } | ||
| 131 | |||
| 132 | static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr, | ||
| 133 | void *buf, size_t len, bool fixed) | ||
| 134 | { | ||
| 135 | int physical; | ||
| 136 | int addr; | ||
| 137 | |||
| 138 | /* Addresses are stored internally as addresses to 32 bytes blocks */ | ||
| 139 | addr = hwaddr << 5; | ||
| 140 | |||
| 141 | physical = wl1271_translate_addr(wl, addr); | ||
| 142 | |||
| 143 | wl1271_raw_read(wl, physical, buf, len, fixed); | ||
| 144 | } | ||
| 145 | |||
| 146 | static inline u32 wl1271_read32(struct wl1271 *wl, int addr) | ||
| 147 | { | ||
| 148 | return wl1271_raw_read32(wl, wl1271_translate_addr(wl, addr)); | ||
| 149 | } | ||
| 150 | |||
| 151 | static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val) | ||
| 152 | { | ||
| 153 | wl1271_raw_write32(wl, wl1271_translate_addr(wl, addr), val); | ||
| 154 | } | ||
| 155 | |||
| 156 | static inline void wl1271_power_off(struct wl1271 *wl) | ||
| 157 | { | ||
| 158 | wl->if_ops->power(wl, false); | ||
| 159 | clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); | ||
| 160 | } | ||
| 161 | |||
| 162 | static inline int wl1271_power_on(struct wl1271 *wl) | ||
| 163 | { | ||
| 164 | int ret = wl->if_ops->power(wl, true); | ||
| 165 | if (ret == 0) | ||
| 166 | set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); | ||
| 167 | |||
| 168 | return ret; | ||
| 169 | } | ||
| 170 | |||
| 171 | |||
| 172 | /* Top Register IO */ | ||
| 173 | void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val); | ||
| 174 | u16 wl1271_top_reg_read(struct wl1271 *wl, int addr); | ||
| 175 | |||
| 176 | int wl1271_set_partition(struct wl1271 *wl, | ||
| 177 | struct wl1271_partition_set *p); | ||
| 178 | |||
| 179 | /* Functions from wl1271_main.c */ | ||
| 180 | |||
| 181 | int wl1271_register_hw(struct wl1271 *wl); | ||
| 182 | void wl1271_unregister_hw(struct wl1271 *wl); | ||
| 183 | int wl1271_init_ieee80211(struct wl1271 *wl); | ||
| 184 | struct ieee80211_hw *wl1271_alloc_hw(void); | ||
| 185 | int wl1271_free_hw(struct wl1271 *wl); | ||
| 186 | irqreturn_t wl1271_irq(int irq, void *data); | ||
| 187 | bool wl1271_set_block_size(struct wl1271 *wl); | ||
| 188 | int wl1271_tx_dummy_packet(struct wl1271 *wl); | ||
| 189 | void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters); | ||
| 190 | |||
| 191 | #endif | ||
