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/*

 *  tifm.h - TI FlashMedia driver

 *

 *  Copyright (C) 2006 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.

 *

 */

#ifndef _TIFM_H

#define _TIFM_H

#include <linux/spinlock.h>

#include <linux/interrupt.h>

#include <linux/delay.h>

#include <linux/pci.h>

#include <linux/workqueue.h>

/* Host registers (relative to pci base address): */

enum {

        FM_SET_INTERRUPT_ENABLE   = 0x008,

        FM_CLEAR_INTERRUPT_ENABLE = 0x00c,

        FM_INTERRUPT_STATUS       = 0x014

};

/* Socket registers (relative to socket base address): */

enum {

        SOCK_CONTROL                   = 0x004,

        SOCK_PRESENT_STATE             = 0x008,

        SOCK_DMA_ADDRESS               = 0x00c,

        SOCK_DMA_CONTROL               = 0x010,

        SOCK_DMA_FIFO_INT_ENABLE_SET   = 0x014,

        SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018,

        SOCK_DMA_FIFO_STATUS           = 0x020,

        SOCK_FIFO_CONTROL              = 0x024,

        SOCK_FIFO_PAGE_SIZE            = 0x028,

        SOCK_MMCSD_COMMAND             = 0x104,

        SOCK_MMCSD_ARG_LOW             = 0x108,

        SOCK_MMCSD_ARG_HIGH            = 0x10c,

        SOCK_MMCSD_CONFIG              = 0x110,

        SOCK_MMCSD_STATUS              = 0x114,

        SOCK_MMCSD_INT_ENABLE          = 0x118,

        SOCK_MMCSD_COMMAND_TO          = 0x11c,

        SOCK_MMCSD_DATA_TO             = 0x120,

        SOCK_MMCSD_DATA                = 0x124,

        SOCK_MMCSD_BLOCK_LEN           = 0x128,

        SOCK_MMCSD_NUM_BLOCKS          = 0x12c,

        SOCK_MMCSD_BUFFER_CONFIG       = 0x130,

        SOCK_MMCSD_SPI_CONFIG          = 0x134,

        SOCK_MMCSD_SDIO_MODE_CONFIG    = 0x138,

        SOCK_MMCSD_RESPONSE            = 0x144,

        SOCK_MMCSD_SDIO_SR             = 0x164,

        SOCK_MMCSD_SYSTEM_CONTROL      = 0x168,

        SOCK_MMCSD_SYSTEM_STATUS       = 0x16c,

        SOCK_MS_COMMAND                = 0x184,

        SOCK_MS_DATA                   = 0x188,

        SOCK_MS_STATUS                 = 0x18c,

        SOCK_MS_SYSTEM                 = 0x190,

        SOCK_FIFO_ACCESS               = 0x200

};

#define TIFM_CTRL_LED             0x00000040

#define TIFM_CTRL_FAST_CLK        0x00000100

#define TIFM_CTRL_POWER_MASK      0x00000007

#define TIFM_SOCK_STATE_OCCUPIED  0x00000008

#define TIFM_SOCK_STATE_POWERED   0x00000080

#define TIFM_FIFO_ENABLE          0x00000001

#define TIFM_FIFO_READY           0x00000001

#define TIFM_FIFO_INT_SETALL      0x0000ffff

#define TIFM_FIFO_INTMASK         0x00000005

#define TIFM_DMA_RESET            0x00000002

#define TIFM_DMA_TX               0x00008000

#define TIFM_DMA_EN               0x00000001

#define TIFM_DMA_TSIZE            0x0000007f

#define TIFM_TYPE_XD 1

#define TIFM_TYPE_MS 2

#define TIFM_TYPE_SD 3

struct tifm_device_id {

        unsigned char type;

};

struct tifm_driver;

struct tifm_dev {

        char __iomem  *addr;

        spinlock_t    lock;

        unsigned char type;

        unsigned int  socket_id;

        void          (*card_event)(struct tifm_dev *sock);

        void          (*data_event)(struct tifm_dev *sock);

        struct device dev;

};

struct tifm_driver {

        struct tifm_device_id *id_table;

        int                   (*probe)(struct tifm_dev *dev);

        void                  (*remove)(struct tifm_dev *dev);

        int                   (*suspend)(struct tifm_dev *dev,

                                         pm_message_t state);

        int                   (*resume)(struct tifm_dev *dev);

        struct device_driver  driver;

};

struct tifm_adapter {

        char __iomem        *addr;

        spinlock_t          lock;

        unsigned int        irq_status;

        unsigned int        socket_change_set;

        unsigned int        id;

        unsigned int        num_sockets;

        struct completion   *finish_me;

        struct work_struct  media_switcher;

        struct class_device cdev;

        void                (*eject)(struct tifm_adapter *fm,

                                     struct tifm_dev *sock);

        struct tifm_dev     *sockets[0];

};

struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,

                                        struct device *dev);

int tifm_add_adapter(struct tifm_adapter *fm);

void tifm_remove_adapter(struct tifm_adapter *fm);

void tifm_free_adapter(struct tifm_adapter *fm);

void tifm_free_device(struct device *dev);

struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,

                                   unsigned char type);

int tifm_register_driver(struct tifm_driver *drv);

void tifm_unregister_driver(struct tifm_driver *drv);

void tifm_eject(struct tifm_dev *sock);

int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,

                int direction);

void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,

                   int direction);

void tifm_queue_work(struct work_struct *work);

static inline void *tifm_get_drvdata(struct tifm_dev *dev)

{

        return dev_get_drvdata(&dev->dev);

}

static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)

{

        dev_set_drvdata(&dev->dev, data);

}

#endif