root/include/linux/tifm.h

DEFINITIONS

1. tifm_get_drvdata
2. tifm_set_drvdata

/*
 *  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_MORE            0x00000008
#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 device       dev;

        void                (*eject)(struct tifm_adapter *fm,
                                     struct tifm_dev *sock);
        int                 (*has_ms_pif)(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_has_ms_pif(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