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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * Copyright 2008,2010 Freescale Semiconductor, Inc
      4  * Andy Fleming
      5  *
      6  * Based (loosely) on the Linux code
      7  */
      8 
      9 #ifndef _MMC_PRIVATE_H_
     10 #define _MMC_PRIVATE_H_
     11 
     12 #include <mmc.h>
     13 
     14 extern int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
     15 			struct mmc_data *data);
     16 extern int mmc_send_status(struct mmc *mmc, int timeout);
     17 extern int mmc_set_blocklen(struct mmc *mmc, int len);
     18 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
     19 void mmc_adapter_card_type_ident(void);
     20 #endif
     21 
     22 #if CONFIG_IS_ENABLED(BLK)
     23 ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
     24 		void *dst);
     25 #else
     26 ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
     27 		void *dst);
     28 #endif
     29 
     30 #if CONFIG_IS_ENABLED(MMC_WRITE)
     31 
     32 #if CONFIG_IS_ENABLED(BLK)
     33 ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
     34 		 const void *src);
     35 ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
     36 #else
     37 ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
     38 		 const void *src);
     39 ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
     40 #endif
     41 
     42 #else /* CONFIG_SPL_MMC_WRITE is not defined */
     43 
     44 /* declare dummies to reduce code size. */
     45 
     46 #if CONFIG_IS_ENABLED(BLK)
     47 static inline unsigned long mmc_berase(struct udevice *dev,
     48 				       lbaint_t start, lbaint_t blkcnt)
     49 {
     50 	return 0;
     51 }
     52 
     53 static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
     54 			       lbaint_t blkcnt, const void *src)
     55 {
     56 	return 0;
     57 }
     58 #else
     59 static inline unsigned long mmc_berase(struct blk_desc *block_dev,
     60 				       lbaint_t start, lbaint_t blkcnt)
     61 {
     62 	return 0;
     63 }
     64 
     65 static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
     66 			       lbaint_t blkcnt, const void *src)
     67 {
     68 	return 0;
     69 }
     70 #endif
     71 
     72 #endif /* CONFIG_SPL_BUILD */
     73 
     74 #ifdef CONFIG_MMC_TRACE
     75 void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
     76 void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
     77 void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
     78 #else
     79 static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
     80 {
     81 }
     82 
     83 static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
     84 					 int ret)
     85 {
     86 }
     87 
     88 static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
     89 {
     90 }
     91 #endif
     92 
     93 /**
     94  * mmc_get_next_devnum() - Get the next available MMC device number
     95  *
     96  * @return next available device number (0 = first), or -ve on error
     97  */
     98 int mmc_get_next_devnum(void);
     99 
    100 /**
    101  * mmc_do_preinit() - Get an MMC device ready for use
    102  */
    103 void mmc_do_preinit(void);
    104 
    105 /**
    106  * mmc_list_init() - Set up the list of MMC devices
    107  */
    108 void mmc_list_init(void);
    109 
    110 /**
    111  * mmc_list_add() - Add a new MMC device to the list of devices
    112  *
    113  * @mmc:	Device to add
    114  */
    115 void mmc_list_add(struct mmc *mmc);
    116 
    117 /**
    118  * mmc_switch_part() - Switch to a new MMC hardware partition
    119  *
    120  * @mmc:	MMC device
    121  * @part_num:	Hardware partition number
    122  * @return 0 if OK, -ve on error
    123  */
    124 int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
    125 
    126 /**
    127  * mmc_switch() - Issue and MMC switch mode command
    128  *
    129  * @mmc:	MMC device
    130  * @set:	Unused
    131  * @index:	Cmdarg index
    132  * @value:	Cmdarg value
    133  * @return 0 if OK, -ve on error
    134  */
    135 int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
    136 
    137 #endif /* _MMC_PRIVATE_H_ */
    138