xref: /openbmc/u-boot/drivers/mmc/mmc_private.h (revision 9d466f2f)
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_ */
139