| Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of wl1271 |
| 3 | * |
| 4 | * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. |
| 5 | * Copyright (C) 2008-2009 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 __WL1271_SPI_H__ |
| 26 | #define __WL1271_SPI_H__ |
| 27 | |
| 28 | #include "wl1271_reg.h" |
| 29 | |
| 30 | #define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 |
| 31 | |
| 32 | #define HW_ACCESS_PART0_SIZE_ADDR 0x1FFC0 |
| 33 | #define HW_ACCESS_PART0_START_ADDR 0x1FFC4 |
| 34 | #define HW_ACCESS_PART1_SIZE_ADDR 0x1FFC8 |
| 35 | #define HW_ACCESS_PART1_START_ADDR 0x1FFCC |
| 36 | |
| 37 | #define HW_ACCESS_REGISTER_SIZE 4 |
| 38 | |
| 39 | #define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 |
| 40 | |
| 41 | #define WSPI_CMD_READ 0x40000000 |
| 42 | #define WSPI_CMD_WRITE 0x00000000 |
| 43 | #define WSPI_CMD_FIXED 0x20000000 |
| 44 | #define WSPI_CMD_BYTE_LENGTH 0x1FFE0000 |
| 45 | #define WSPI_CMD_BYTE_LENGTH_OFFSET 17 |
| 46 | #define WSPI_CMD_BYTE_ADDR 0x0001FFFF |
| 47 | |
| 48 | #define WSPI_INIT_CMD_CRC_LEN 5 |
| 49 | |
| 50 | #define WSPI_INIT_CMD_START 0x00 |
| 51 | #define WSPI_INIT_CMD_TX 0x40 |
| 52 | /* the extra bypass bit is sampled by the TNET as '1' */ |
| 53 | #define WSPI_INIT_CMD_BYPASS_BIT 0x80 |
| 54 | #define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07 |
| 55 | #define WSPI_INIT_CMD_EN_FIXEDBUSY 0x80 |
| 56 | #define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00 |
| 57 | #define WSPI_INIT_CMD_IOD 0x40 |
| 58 | #define WSPI_INIT_CMD_IP 0x20 |
| 59 | #define WSPI_INIT_CMD_CS 0x10 |
| 60 | #define WSPI_INIT_CMD_WS 0x08 |
| 61 | #define WSPI_INIT_CMD_WSPI 0x01 |
| 62 | #define WSPI_INIT_CMD_END 0x01 |
| 63 | |
| 64 | #define WSPI_INIT_CMD_LEN 8 |
| 65 | |
| 66 | #define HW_ACCESS_WSPI_FIXED_BUSY_LEN \ |
| 67 | ((WL1271_BUSY_WORD_LEN - 4) / sizeof(u32)) |
| 68 | #define HW_ACCESS_WSPI_INIT_CMD_MASK 0 |
| 69 | |
| 70 | |
| 71 | /* Raw target IO, address is not translated */ |
| 72 | void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf, |
| 73 | size_t len, bool fixed); |
| 74 | void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf, |
| 75 | size_t len, bool fixed); |
| 76 | |
| 77 | /* Memory target IO, address is tranlated to partition 0 */ |
| 78 | void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf, size_t len); |
| 79 | void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf, size_t len); |
| 80 | u32 wl1271_mem_read32(struct wl1271 *wl, int addr); |
| 81 | void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val); |
| 82 | |
| 83 | /* Registers IO */ |
| 84 | void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len, |
| 85 | bool fixed); |
| 86 | void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len, |
| 87 | bool fixed); |
| 88 | u32 wl1271_reg_read32(struct wl1271 *wl, int addr); |
| 89 | void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val); |
| 90 | |
| 91 | /* INIT and RESET words */ |
| 92 | void wl1271_spi_reset(struct wl1271 *wl); |
| 93 | void wl1271_spi_init(struct wl1271 *wl); |
| 94 | int wl1271_set_partition(struct wl1271 *wl, |
| 95 | u32 part_start, u32 part_size, |
| 96 | u32 reg_start, u32 reg_size); |
| 97 | |
| 98 | static inline u32 wl1271_read32(struct wl1271 *wl, int addr) |
| 99 | { |
| 100 | wl1271_spi_read(wl, addr, &wl->buffer_32, |
| 101 | sizeof(wl->buffer_32), false); |
| 102 | |
| 103 | return wl->buffer_32; |
| 104 | } |
| 105 | |
| 106 | static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val) |
| 107 | { |
| 108 | wl->buffer_32 = val; |
| 109 | wl1271_spi_write(wl, addr, &wl->buffer_32, |
| 110 | sizeof(wl->buffer_32), false); |
| 111 | } |
| 112 | |
| 113 | #endif /* __WL1271_SPI_H__ */ |