linux/include/linux/tifm.h
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   1/*
   2 *  tifm.h - TI FlashMedia driver
   3 *
   4 *  Copyright (C) 2006 Alex Dubov <oakad@yahoo.com>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 *
  10 */
  11
  12#ifndef _TIFM_H
  13#define _TIFM_H
  14
  15#include <linux/spinlock.h>
  16#include <linux/interrupt.h>
  17#include <linux/delay.h>
  18#include <linux/pci.h>
  19#include <linux/workqueue.h>
  20
  21/* Host registers (relative to pci base address): */
  22enum {
  23        FM_SET_INTERRUPT_ENABLE   = 0x008,
  24        FM_CLEAR_INTERRUPT_ENABLE = 0x00c,
  25        FM_INTERRUPT_STATUS       = 0x014
  26};
  27
  28/* Socket registers (relative to socket base address): */
  29enum {
  30        SOCK_CONTROL                   = 0x004,
  31        SOCK_PRESENT_STATE             = 0x008,
  32        SOCK_DMA_ADDRESS               = 0x00c,
  33        SOCK_DMA_CONTROL               = 0x010,
  34        SOCK_DMA_FIFO_INT_ENABLE_SET   = 0x014,
  35        SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018,
  36        SOCK_DMA_FIFO_STATUS           = 0x020,
  37        SOCK_FIFO_CONTROL              = 0x024,
  38        SOCK_FIFO_PAGE_SIZE            = 0x028,
  39        SOCK_MMCSD_COMMAND             = 0x104,
  40        SOCK_MMCSD_ARG_LOW             = 0x108,
  41        SOCK_MMCSD_ARG_HIGH            = 0x10c,
  42        SOCK_MMCSD_CONFIG              = 0x110,
  43        SOCK_MMCSD_STATUS              = 0x114,
  44        SOCK_MMCSD_INT_ENABLE          = 0x118,
  45        SOCK_MMCSD_COMMAND_TO          = 0x11c,
  46        SOCK_MMCSD_DATA_TO             = 0x120,
  47        SOCK_MMCSD_DATA                = 0x124,
  48        SOCK_MMCSD_BLOCK_LEN           = 0x128,
  49        SOCK_MMCSD_NUM_BLOCKS          = 0x12c,
  50        SOCK_MMCSD_BUFFER_CONFIG       = 0x130,
  51        SOCK_MMCSD_SPI_CONFIG          = 0x134,
  52        SOCK_MMCSD_SDIO_MODE_CONFIG    = 0x138,
  53        SOCK_MMCSD_RESPONSE            = 0x144,
  54        SOCK_MMCSD_SDIO_SR             = 0x164,
  55        SOCK_MMCSD_SYSTEM_CONTROL      = 0x168,
  56        SOCK_MMCSD_SYSTEM_STATUS       = 0x16c,
  57        SOCK_MS_COMMAND                = 0x184,
  58        SOCK_MS_DATA                   = 0x188,
  59        SOCK_MS_STATUS                 = 0x18c,
  60        SOCK_MS_SYSTEM                 = 0x190,
  61        SOCK_FIFO_ACCESS               = 0x200
  62};
  63
  64#define TIFM_CTRL_LED             0x00000040
  65#define TIFM_CTRL_FAST_CLK        0x00000100
  66#define TIFM_CTRL_POWER_MASK      0x00000007
  67
  68#define TIFM_SOCK_STATE_OCCUPIED  0x00000008
  69#define TIFM_SOCK_STATE_POWERED   0x00000080
  70
  71#define TIFM_FIFO_ENABLE          0x00000001
  72#define TIFM_FIFO_READY           0x00000001
  73#define TIFM_FIFO_MORE            0x00000008
  74#define TIFM_FIFO_INT_SETALL      0x0000ffff
  75#define TIFM_FIFO_INTMASK         0x00000005
  76
  77#define TIFM_DMA_RESET            0x00000002
  78#define TIFM_DMA_TX               0x00008000
  79#define TIFM_DMA_EN               0x00000001
  80#define TIFM_DMA_TSIZE            0x0000007f
  81
  82#define TIFM_TYPE_XD 1
  83#define TIFM_TYPE_MS 2
  84#define TIFM_TYPE_SD 3
  85
  86struct tifm_device_id {
  87        unsigned char type;
  88};
  89
  90struct tifm_driver;
  91struct tifm_dev {
  92        char __iomem  *addr;
  93        spinlock_t    lock;
  94        unsigned char type;
  95        unsigned int  socket_id;
  96
  97        void          (*card_event)(struct tifm_dev *sock);
  98        void          (*data_event)(struct tifm_dev *sock);
  99
 100        struct device dev;
 101};
 102
 103struct tifm_driver {
 104        struct tifm_device_id *id_table;
 105        int                   (*probe)(struct tifm_dev *dev);
 106        void                  (*remove)(struct tifm_dev *dev);
 107        int                   (*suspend)(struct tifm_dev *dev,
 108                                         pm_message_t state);
 109        int                   (*resume)(struct tifm_dev *dev);
 110
 111        struct device_driver  driver;
 112};
 113
 114struct tifm_adapter {
 115        char __iomem        *addr;
 116        spinlock_t          lock;
 117        unsigned int        irq_status;
 118        unsigned int        socket_change_set;
 119        unsigned int        id;
 120        unsigned int        num_sockets;
 121        struct completion   *finish_me;
 122
 123        struct work_struct  media_switcher;
 124        struct device       dev;
 125
 126        void                (*eject)(struct tifm_adapter *fm,
 127                                     struct tifm_dev *sock);
 128        int                 (*has_ms_pif)(struct tifm_adapter *fm,
 129                                          struct tifm_dev *sock);
 130
 131        struct tifm_dev     *sockets[0];
 132};
 133
 134struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
 135                                        struct device *dev);
 136int tifm_add_adapter(struct tifm_adapter *fm);
 137void tifm_remove_adapter(struct tifm_adapter *fm);
 138void tifm_free_adapter(struct tifm_adapter *fm);
 139
 140void tifm_free_device(struct device *dev);
 141struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,
 142                                   unsigned char type);
 143
 144int tifm_register_driver(struct tifm_driver *drv);
 145void tifm_unregister_driver(struct tifm_driver *drv);
 146void tifm_eject(struct tifm_dev *sock);
 147int tifm_has_ms_pif(struct tifm_dev *sock);
 148int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
 149                int direction);
 150void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
 151                   int direction);
 152void tifm_queue_work(struct work_struct *work);
 153
 154static inline void *tifm_get_drvdata(struct tifm_dev *dev)
 155{
 156        return dev_get_drvdata(&dev->dev);
 157}
 158
 159static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)
 160{
 161        dev_set_drvdata(&dev->dev, data);
 162}
 163
 164#endif
 165
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