include/linux/mmc.old/card.h

   1 /*
   2  *  linux/include/linux/mmc/card.h
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  *  Card driver specific definitions.
   9  */
  10 #ifndef LINUX_MMC_CARD_H
  11 #define LINUX_MMC_CARD_H
  12
  13 #include <linux/mmc/mmc.h>
  14
  15 #if 1   // add by Victor Yu. 11-28-2005
  16 #ifndef _PM_MESSAGE_T
  17 #define _PM_MESSAGE_T
  18 typedef unsigned int    pm_message_t;
  19 #endif  // _PM_MESSAGE_T
  20 #endif
  21
  22 struct mmc_cid {
  23         unsigned int            manfid;
  24         char                    prod_name[8];
  25         unsigned int            serial;
  26         unsigned short          oemid;
  27         unsigned short          year;
  28         unsigned char           hwrev;
  29         unsigned char           fwrev;
  30         unsigned char           month;
  31 };
  32
  33 struct mmc_csd {
  34         unsigned char           mmca_vsn;
  35         unsigned short          cmdclass;
  36         unsigned short          tacc_clks;
  37         unsigned int            tacc_ns;
  38         unsigned int            max_dtr;
  39         unsigned int            read_blkbits;
  40         unsigned int            capacity;
  41 };
  42
  43 struct sd_scr {
  44         unsigned char           sda_vsn;
  45         unsigned char           bus_widths;
  46 #define SD_SCR_BUS_WIDTH_1      (1<<0)
  47 #define SD_SCR_BUS_WIDTH_4      (1<<2)
  48 };
  49
  50 struct mmc_host;
  51
  52 /*
  53  * MMC device
  54  */
  55 struct mmc_card {
  56         struct list_head        node;           /* node in hosts devices list */
  57         struct mmc_host         *host;          /* the host this device belongs to */
  58         struct device           dev;            /* the device */
  59         unsigned int            rca;            /* relative card address of device */
  60         unsigned int            state;          /* (our) card state */
  61 #define MMC_STATE_PRESENT       (1<<0)          /* present in sysfs */
  62 #define MMC_STATE_DEAD          (1<<1)          /* device no longer in stack */
  63 #define MMC_STATE_BAD           (1<<2)          /* unrecognised device */
  64 #define MMC_STATE_SDCARD        (1<<3)          /* is an SD card */
  65 #define MMC_STATE_READONLY      (1<<4)          /* card is read-only */
  66         u32                     raw_cid[4];     /* raw card CID */
  67         u32                     raw_csd[4];     /* raw card CSD */
  68         u32                     raw_scr[2];     /* raw card SCR */
  69         struct mmc_cid          cid;            /* card identification */
  70         struct mmc_csd          csd;            /* card specific */
  71         struct sd_scr           scr;            /* extra SD information */
  72 };
  73
  74 #define mmc_card_present(c)     ((c)->state & MMC_STATE_PRESENT)
  75 #define mmc_card_dead(c)        ((c)->state & MMC_STATE_DEAD)
  76 #define mmc_card_bad(c)         ((c)->state & MMC_STATE_BAD)
  77 #define mmc_card_sd(c)          ((c)->state & MMC_STATE_SDCARD)
  78 #define mmc_card_readonly(c)    ((c)->state & MMC_STATE_READONLY)
  79
  80 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
  81 #define mmc_card_set_dead(c)    ((c)->state |= MMC_STATE_DEAD)
  82 #define mmc_card_set_bad(c)     ((c)->state |= MMC_STATE_BAD)
  83 #define mmc_card_set_sd(c)      ((c)->state |= MMC_STATE_SDCARD)
  84 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
  85
  86 #define mmc_card_name(c)        ((c)->cid.prod_name)
  87 #define mmc_card_id(c)          ((c)->dev.bus_id)
  88
  89 #define mmc_list_to_card(l)     container_of(l, struct mmc_card, node)
  90 #define mmc_get_drvdata(c)      dev_get_drvdata(&(c)->dev)
  91 #define mmc_set_drvdata(c,d)    dev_set_drvdata(&(c)->dev, d)
  92
  93 /*
  94  * MMC device driver (e.g., Flash card, I/O card...)
  95  */
  96 struct mmc_driver {
  97         struct device_driver drv;
  98         int (*probe)(struct mmc_card *);
  99         void (*remove)(struct mmc_card *);
 100         int (*suspend)(struct mmc_card *, pm_message_t);
 101         int (*resume)(struct mmc_card *);
 102 };
 103
 104 extern int mmc_register_driver(struct mmc_driver *);
 105 extern void mmc_unregister_driver(struct mmc_driver *);
 106
 107 static inline int mmc_card_claim_host(struct mmc_card *card)
 108 {
 109         return __mmc_claim_host(card->host, card);
 110 }
 111
 112 #define mmc_card_release_host(c)        mmc_release_host((c)->host)
 113
 114 #endif