arch/arm/mach-davinci/include/mach/mmc.h

   1 /*
   2  *  Board-specific MMC configuration
   3  */
   4
   5 #ifndef _DAVINCI_MMC_H
   6 #define _DAVINCI_MMC_H
   7
   8 #include <linux/types.h>
   9 #include <linux/mmc/host.h>
  10
  11 struct davinci_mmc_config {
  12         /* get_cd()/get_wp() may sleep */
  13         int     (*get_cd)(int module);
  14         int     (*get_ro)(int module);
  15
  16         void    (*set_power)(int module, bool on);
  17
  18         /* wires == 0 is equivalent to wires == 4 (4-bit parallel) */
  19         u8      wires;
  20
  21         u32     max_freq;
  22
  23         /* any additional host capabilities: OR'd in to mmc->f_caps */
  24         u32     caps;
  25
  26         /* Version of the MMC/SD controller */
  27         u8      version;
  28
  29         /* Number of sg segments */
  30         u8      nr_sg;
  31 };
  32 void davinci_setup_mmc(int module, struct davinci_mmc_config *config);
  33
  34 enum {
  35         MMC_CTLR_VERSION_1 = 0, /* DM644x and DM355 */
  36         MMC_CTLR_VERSION_2,     /* DA830 */
  37 };
  38
  39 #endif