drivers/mmc/mmc_private.h

   1 /*
   2  * Copyright 2008,2010 Freescale Semiconductor, Inc
   3  * Andy Fleming
   4  *
   5  * Based (loosely) on the Linux code
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef _MMC_PRIVATE_H_
  11 #define _MMC_PRIVATE_H_
  12
  13 #include <mmc.h>
  14
  15 extern int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
  16                         struct mmc_data *data);
  17 extern int mmc_send_status(struct mmc *mmc, int timeout);
  18 extern int mmc_set_blocklen(struct mmc *mmc, int len);
  19 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
  20 void mmc_adapter_card_type_ident(void);
  21 #endif
  22
  23 #ifdef CONFIG_BLK
  24 ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
  25                 void *dst);
  26 #else
  27 ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
  28                 void *dst);
  29 #endif
  30
  31 #ifndef CONFIG_SPL_BUILD
  32
  33 unsigned long mmc_berase(struct blk_desc *block_dev, lbaint_t start,
  34                          lbaint_t blkcnt);
  35
  36 #ifdef CONFIG_BLK
  37 ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
  38                  const void *src);
  39 #else
  40 ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
  41                  const void *src);
  42 #endif
  43
  44 #else /* CONFIG_SPL_BUILD */
  45
  46 /* SPL will never write or erase, declare dummies to reduce code size. */
  47
  48 #ifdef CONFIG_BLK
  49 static inline unsigned long mmc_berase(struct udevice *dev,
  50                                        lbaint_t start, lbaint_t blkcnt)
  51 {
  52         return 0;
  53 }
  54
  55 static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
  56                                lbaint_t blkcnt, const void *src)
  57 {
  58         return 0;
  59 }
  60 #else
  61 static inline unsigned long mmc_berase(struct blk_desc *block_dev,
  62                                        lbaint_t start, lbaint_t blkcnt)
  63 {
  64         return 0;
  65 }
  66
  67 static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
  68                                lbaint_t blkcnt, const void *src)
  69 {
  70         return 0;
  71 }
  72 #endif
  73
  74 #endif /* CONFIG_SPL_BUILD */
  75
  76 #ifdef CONFIG_MMC_TRACE
  77 void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
  78 void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
  79 void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
  80 #else
  81 static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
  82 {
  83 }
  84
  85 static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
  86                                          int ret)
  87 {
  88 }
  89
  90 static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
  91 {
  92 }
  93 #endif
  94
  95 /**
  96  * mmc_get_next_devnum() - Get the next available MMC device number
  97  *
  98  * @return next available device number (0 = first), or -ve on error
  99  */
 100 int mmc_get_next_devnum(void);
 101
 102 /**
 103  * mmc_do_preinit() - Get an MMC device ready for use
 104  */
 105 void mmc_do_preinit(void);
 106
 107 /**
 108  * mmc_list_init() - Set up the list of MMC devices
 109  */
 110 void mmc_list_init(void);
 111
 112 /**
 113  * mmc_list_add() - Add a new MMC device to the list of devices
 114  *
 115  * @mmc:        Device to add
 116  */
 117 void mmc_list_add(struct mmc *mmc);
 118
 119 /**
 120  * mmc_switch_part() - Switch to a new MMC hardware partition
 121  *
 122  * @mmc:        MMC device
 123  * @part_num:   Hardware partition number
 124  * @return 0 if OK, -ve on error
 125  */
 126 int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
 127
 128 /**
 129  * mmc_switch() - Issue and MMC switch mode command
 130  *
 131  * @mmc:        MMC device
 132  * @set:        Unused
 133  * @index:      Cmdarg index
 134  * @value:      Cmdarg value
 135  * @return 0 if OK, -ve on error
 136  */
 137 int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
 138
 139 #endif /* _MMC_PRIVATE_H_ */