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      1 /****************************************************************************
      2  ****************************************************************************
      3  ***
      4  ***   This header was automatically generated from a Linux kernel header
      5  ***   of the same name, to make information necessary for userspace to
      6  ***   call into the kernel available to libc.  It contains only constants,
      7  ***   structures, and macros generated from the original header, and thus,
      8  ***   contains no copyrightable information.
      9  ***
     10  ****************************************************************************
     11  ****************************************************************************/
     12 #ifndef LINUX_MMC_HOST_H
     13 #define LINUX_MMC_HOST_H
     14 
     15 #include <linux/mmc/mmc.h>
     16 
     17 struct mmc_ios {
     18  unsigned int clock;
     19  unsigned short vdd;
     20 
     21 #define MMC_VDD_150 0
     22 #define MMC_VDD_155 1
     23 #define MMC_VDD_160 2
     24 #define MMC_VDD_165 3
     25 #define MMC_VDD_170 4
     26 #define MMC_VDD_180 5
     27 #define MMC_VDD_190 6
     28 #define MMC_VDD_200 7
     29 #define MMC_VDD_210 8
     30 #define MMC_VDD_220 9
     31 #define MMC_VDD_230 10
     32 #define MMC_VDD_240 11
     33 #define MMC_VDD_250 12
     34 #define MMC_VDD_260 13
     35 #define MMC_VDD_270 14
     36 #define MMC_VDD_280 15
     37 #define MMC_VDD_290 16
     38 #define MMC_VDD_300 17
     39 #define MMC_VDD_310 18
     40 #define MMC_VDD_320 19
     41 #define MMC_VDD_330 20
     42 #define MMC_VDD_340 21
     43 #define MMC_VDD_350 22
     44 #define MMC_VDD_360 23
     45 
     46  unsigned char bus_mode;
     47 
     48 #define MMC_BUSMODE_OPENDRAIN 1
     49 #define MMC_BUSMODE_PUSHPULL 2
     50 
     51  unsigned char chip_select;
     52 
     53 #define MMC_CS_DONTCARE 0
     54 #define MMC_CS_HIGH 1
     55 #define MMC_CS_LOW 2
     56 
     57  unsigned char power_mode;
     58 
     59 #define MMC_POWER_OFF 0
     60 #define MMC_POWER_UP 1
     61 #define MMC_POWER_ON 2
     62 
     63  unsigned char bus_width;
     64 
     65 #define MMC_BUS_WIDTH_1 0
     66 #define MMC_BUS_WIDTH_4 2
     67 };
     68 
     69 struct mmc_host_ops {
     70  void (*request)(struct mmc_host *host, struct mmc_request *req);
     71  void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
     72  int (*get_ro)(struct mmc_host *host);
     73 };
     74 
     75 struct mmc_card;
     76 struct device;
     77 
     78 struct mmc_host {
     79  struct device *dev;
     80  struct class_device class_dev;
     81  int index;
     82  const struct mmc_host_ops *ops;
     83  unsigned int f_min;
     84  unsigned int f_max;
     85  u32 ocr_avail;
     86 
     87  unsigned long caps;
     88 
     89 #define MMC_CAP_4_BIT_DATA (1 << 0)
     90 
     91  unsigned int max_seg_size;
     92  unsigned short max_hw_segs;
     93  unsigned short max_phys_segs;
     94  unsigned short max_sectors;
     95  unsigned short unused;
     96 
     97  struct mmc_ios ios;
     98  u32 ocr;
     99 
    100  unsigned int mode;
    101 #define MMC_MODE_MMC 0
    102 #define MMC_MODE_SD 1
    103 
    104  struct list_head cards;
    105 
    106  wait_queue_head_t wq;
    107  spinlock_t lock;
    108  struct mmc_card *card_busy;
    109  struct mmc_card *card_selected;
    110 
    111  struct work_struct detect;
    112 
    113  unsigned long private[0] ____cacheline_aligned;
    114 };
    115 
    116 #define mmc_dev(x) ((x)->dev)
    117 #define mmc_hostname(x) ((x)->class_dev.class_id)
    118 
    119 #endif
    120 
    121