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/*
* 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__ */
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