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 #if CONFIG_IS_ENABLED(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 #if CONFIG_IS_ENABLED(MMC_WRITE)
  32
  33 #if CONFIG_IS_ENABLED(BLK)
  34 ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
  35                  const void *src);
  36 ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
  37 #else
  38 ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
  39                  const void *src);
  40 ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
  41 #endif
  42
  43 #else /* CONFIG_SPL_MMC_WRITE is not defined */
  44
  45 /* declare dummies to reduce code size. */
  46
  47 #if CONFIG_IS_ENABLED(BLK)
  48 static inline unsigned long mmc_berase(struct udevice *dev,
  49                                        lbaint_t start, lbaint_t blkcnt)
  50 {
  51         return 0;
  52 }
  53
  54 static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
  55                                lbaint_t blkcnt, const void *src)
  56 {
  57         return 0;
  58 }
  59 #else
  60 static inline unsigned long mmc_berase(struct blk_desc *block_dev,
  61                                        lbaint_t start, lbaint_t blkcnt)
  62 {
  63         return 0;
  64 }
  65
  66 static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
  67                                lbaint_t blkcnt, const void *src)
  68 {
  69         return 0;
  70 }
  71 #endif
  72
  73 #endif /* CONFIG_SPL_BUILD */
  74
  75 #ifdef CONFIG_MMC_TRACE
  76 void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
  77 void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
  78 void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
  79 #else
  80 static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
  81 {
  82 }
  83
  84 static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
  85                                          int ret)
  86 {
  87 }
  88
  89 static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
  90 {
  91 }
  92 #endif
  93
  94 /**
  95  * mmc_get_next_devnum() - Get the next available MMC device number
  96  *
  97  * @return next available device number (0 = first), or -ve on error
  98  */
  99 int mmc_get_next_devnum(void);
 100
 101 /**
 102  * mmc_do_preinit() - Get an MMC device ready for use
 103  */
 104 void mmc_do_preinit(void);
 105
 106 /**
 107  * mmc_list_init() - Set up the list of MMC devices
 108  */
 109 void mmc_list_init(void);
 110
 111 /**
 112  * mmc_list_add() - Add a new MMC device to the list of devices
 113  *
 114  * @mmc:        Device to add
 115  */
 116 void mmc_list_add(struct mmc *mmc);
 117
 118 /**
 119  * mmc_switch_part() - Switch to a new MMC hardware partition
 120  *
 121  * @mmc:        MMC device
 122  * @part_num:   Hardware partition number
 123  * @return 0 if OK, -ve on error
 124  */
 125 int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
 126
 127 /**
 128  * mmc_switch() - Issue and MMC switch mode command
 129  *
 130  * @mmc:        MMC device
 131  * @set:        Unused
 132  * @index:      Cmdarg index
 133  * @value:      Cmdarg value
 134  * @return 0 if OK, -ve on error
 135  */
 136 int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
 137
 138 #endif /* _MMC_PRIVATE_H_ */