release/src-rt-6.x.4708/linux/linux-2.6.36/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         /* wires == 0 is equivalent to wires == 4 (4-bit parallel) */
  16         u8      wires;
  17
  18         u32     max_freq;
  19
  20         /* any additional host capabilities: OR'd in to mmc->f_caps */
  21         u32     caps;
  22
  23         /* Version of the MMC/SD controller */
  24         u8      version;
  25
  26         /* Number of sg segments */
  27         u8      nr_sg;
  28 };
  29 void davinci_setup_mmc(int module, struct davinci_mmc_config *config);
  30
  31 enum {
  32         MMC_CTLR_VERSION_1 = 0, /* DM644x and DM355 */
  33         MMC_CTLR_VERSION_2,     /* DA830 */
  34 };
  35
  36 #endif