linux-imx

/*

 *  TI FlashMedia driver

 *

 *  Copyright (C) 2007 Alex Dubov <oakad@yahoo.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.

 *

 * Special thanks to Carlos Corbacho for providing various MemoryStick cards

 * that made this driver possible.

 *

 */

​

#include <linux/tifm.h>

#include <linux/memstick.h>

#include <linux/highmem.h>

#include <linux/scatterlist.h>

#include <linux/log2.h>

#include <linux/module.h>

#include <asm/io.h>

​

#define DRIVER_NAME "tifm_ms"

​

static bool no_dma;

module_param(no_dma, bool, 0644);

​

/*

 * Some control bits of TIFM appear to conform to Sony's reference design,

 * so I'm just assuming they all are.

 */

​

#define TIFM_MS_STAT_DRQ     0x04000

#define TIFM_MS_STAT_MSINT   0x02000

#define TIFM_MS_STAT_RDY     0x01000

#define TIFM_MS_STAT_CRC     0x00200

#define TIFM_MS_STAT_TOE     0x00100

#define TIFM_MS_STAT_EMP     0x00020

#define TIFM_MS_STAT_FUL     0x00010

#define TIFM_MS_STAT_CED     0x00008

#define TIFM_MS_STAT_ERR     0x00004

#define TIFM_MS_STAT_BRQ     0x00002

#define TIFM_MS_STAT_CNK     0x00001

​

#define TIFM_MS_SYS_DMA      0x10000

#define TIFM_MS_SYS_RESET    0x08000

#define TIFM_MS_SYS_SRAC     0x04000

#define TIFM_MS_SYS_INTEN    0x02000

#define TIFM_MS_SYS_NOCRC    0x01000

#define TIFM_MS_SYS_INTCLR   0x00800

#define TIFM_MS_SYS_MSIEN    0x00400

#define TIFM_MS_SYS_FCLR     0x00200

#define TIFM_MS_SYS_FDIR     0x00100

#define TIFM_MS_SYS_DAM      0x00080

#define TIFM_MS_SYS_DRM      0x00040

#define TIFM_MS_SYS_DRQSL    0x00020

#define TIFM_MS_SYS_REI      0x00010

#define TIFM_MS_SYS_REO      0x00008

#define TIFM_MS_SYS_BSY_MASK 0x00007

​

#define TIFM_MS_SYS_FIFO     (TIFM_MS_SYS_INTEN | TIFM_MS_SYS_MSIEN \

                  | TIFM_MS_SYS_FCLR | TIFM_MS_SYS_BSY_MASK)

​