| /* |
| * This file is part of wl1271 |
| * |
| * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. |
| * Copyright (C) 2008-2009 Nokia Corporation |
| * |
| * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| * 02110-1301 USA |
| * |
| */ |
| |
| #ifndef __WL1271_SPI_H__ |
| #define __WL1271_SPI_H__ |
| |
| #include "wl1271_reg.h" |
| |
| #define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 |
| |
| #define HW_ACCESS_PART0_SIZE_ADDR 0x1FFC0 |
| #define HW_ACCESS_PART0_START_ADDR 0x1FFC4 |
| #define HW_ACCESS_PART1_SIZE_ADDR 0x1FFC8 |
| #define HW_ACCESS_PART1_START_ADDR 0x1FFCC |
| |
| #define HW_ACCESS_REGISTER_SIZE 4 |
| |
| #define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 |
| |
| #define WSPI_CMD_READ 0x40000000 |
| #define WSPI_CMD_WRITE 0x00000000 |
| #define WSPI_CMD_FIXED 0x20000000 |
| #define WSPI_CMD_BYTE_LENGTH 0x1FFE0000 |
| #define WSPI_CMD_BYTE_LENGTH_OFFSET 17 |
| #define WSPI_CMD_BYTE_ADDR 0x0001FFFF |
| |
| #define WSPI_INIT_CMD_CRC_LEN 5 |
| |
| #define WSPI_INIT_CMD_START 0x00 |
| #define WSPI_INIT_CMD_TX 0x40 |
| /* the extra bypass bit is sampled by the TNET as '1' */ |
| #define WSPI_INIT_CMD_BYPASS_BIT 0x80 |
| #define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07 |
| #define WSPI_INIT_CMD_EN_FIXEDBUSY 0x80 |
| #define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00 |
| #define WSPI_INIT_CMD_IOD 0x40 |
| #define WSPI_INIT_CMD_IP 0x20 |
| #define WSPI_INIT_CMD_CS 0x10 |
| #define WSPI_INIT_CMD_WS 0x08 |
| #define WSPI_INIT_CMD_WSPI 0x01 |
| #define WSPI_INIT_CMD_END 0x01 |
| |
| #define WSPI_INIT_CMD_LEN 8 |
| |
| #define HW_ACCESS_WSPI_FIXED_BUSY_LEN \ |
| ((WL1271_BUSY_WORD_LEN - 4) / sizeof(u32)) |
| #define HW_ACCESS_WSPI_INIT_CMD_MASK 0 |
| |
| |
| /* Raw target IO, address is not translated */ |
| void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf, |
| size_t len, bool fixed); |
| void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf, |
| size_t len, bool fixed); |
| |
| /* Memory target IO, address is tranlated to partition 0 */ |
| void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf, size_t len); |
| void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf, size_t len); |
| u32 wl1271_mem_read32(struct wl1271 *wl, int addr); |
| void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val); |
| |
| /* Registers IO */ |
| void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len, |
| bool fixed); |
| void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len, |
| bool fixed); |
| u32 wl1271_reg_read32(struct wl1271 *wl, int addr); |
| void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val); |
| |
| /* INIT and RESET words */ |
| void wl1271_spi_reset(struct wl1271 *wl); |
| void wl1271_spi_init(struct wl1271 *wl); |
| int wl1271_set_partition(struct wl1271 *wl, |
| u32 part_start, u32 part_size, |
| u32 reg_start, u32 reg_size); |
| |
| static inline u32 wl1271_read32(struct wl1271 *wl, int addr) |
| { |
| wl1271_spi_read(wl, addr, &wl->buffer_32, |
| sizeof(wl->buffer_32), false); |
| |
| return wl->buffer_32; |
| } |
| |
| static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val) |
| { |
| wl->buffer_32 = val; |
| wl1271_spi_write(wl, addr, &wl->buffer_32, |
| sizeof(wl->buffer_32), false); |
| } |
| |
| #endif /* __WL1271_SPI_H__ */ |
