xref: /OK3568_Linux_fs/u-boot/drivers/mmc/mmc_private.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
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 #ifdef CONFIG_SPL_BLK_READ_PREPARE
18 int mmc_send_cmd_prepare(struct mmc *mmc, struct mmc_cmd *cmd,
19 			 struct mmc_data *data);
20 #endif
21 extern int mmc_send_status(struct mmc *mmc, int timeout);
22 extern int mmc_set_blocklen(struct mmc *mmc, int len);
23 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
24 void mmc_adapter_card_type_ident(void);
25 #endif
26 
27 #if CONFIG_IS_ENABLED(BLK)
28 ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
29 		void *dst);
30 #ifdef CONFIG_SPL_BLK_READ_PREPARE
31 ulong mmc_bread_prepare(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
32 			void *dst);
33 #endif
34 #else
35 ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
36 		void *dst);
37 #ifdef CONFIG_SPL_BLK_READ_PREPARE
38 ulong mmc_bread_prepare(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
39 			void *dst);
40 #endif
41 #endif
42 
43 #if CONFIG_IS_ENABLED(MMC_WRITE)
44 
45 #if CONFIG_IS_ENABLED(BLK)
46 ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
47 		 const void *src);
48 ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
49 #else
50 ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
51 		 const void *src);
52 ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
53 #endif
54 
55 #else /* CONFIG_SPL_MMC_WRITE is not defined */
56 
57 /* declare dummies to reduce code size. */
58 
59 #if CONFIG_IS_ENABLED(BLK)
mmc_berase(struct udevice * dev,lbaint_t start,lbaint_t blkcnt)60 static inline unsigned long mmc_berase(struct udevice *dev,
61 				       lbaint_t start, lbaint_t blkcnt)
62 {
63 	return 0;
64 }
65 
mmc_bwrite(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,const void * src)66 static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
67 			       lbaint_t blkcnt, const void *src)
68 {
69 	return 0;
70 }
71 #else
mmc_berase(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt)72 static inline unsigned long mmc_berase(struct blk_desc *block_dev,
73 				       lbaint_t start, lbaint_t blkcnt)
74 {
75 	return 0;
76 }
77 
mmc_bwrite(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt,const void * src)78 static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
79 			       lbaint_t blkcnt, const void *src)
80 {
81 	return 0;
82 }
83 #endif
84 
85 #endif /* CONFIG_SPL_BUILD */
86 
87 #ifdef CONFIG_MMC_TRACE
88 void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
89 void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
90 void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
91 #else
mmmc_trace_before_send(struct mmc * mmc,struct mmc_cmd * cmd)92 static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
93 {
94 }
95 
mmmc_trace_after_send(struct mmc * mmc,struct mmc_cmd * cmd,int ret)96 static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
97 					 int ret)
98 {
99 }
100 
mmc_trace_state(struct mmc * mmc,struct mmc_cmd * cmd)101 static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
102 {
103 }
104 #endif
105 
106 /**
107  * mmc_get_next_devnum() - Get the next available MMC device number
108  *
109  * @return next available device number (0 = first), or -ve on error
110  */
111 int mmc_get_next_devnum(void);
112 
113 /**
114  * mmc_do_preinit() - Get an MMC device ready for use
115  */
116 void mmc_do_preinit(void);
117 
118 /**
119  * mmc_list_init() - Set up the list of MMC devices
120  */
121 void mmc_list_init(void);
122 
123 /**
124  * mmc_list_add() - Add a new MMC device to the list of devices
125  *
126  * @mmc:	Device to add
127  */
128 void mmc_list_add(struct mmc *mmc);
129 
130 /**
131  * mmc_switch_part() - Switch to a new MMC hardware partition
132  *
133  * @mmc:	MMC device
134  * @part_num:	Hardware partition number
135  * @return 0 if OK, -ve on error
136  */
137 int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
138 
139 /**
140  * mmc_switch() - Issue and MMC switch mode command
141  *
142  * @mmc:	MMC device
143  * @set:	Unused
144  * @index:	Cmdarg index
145  * @value:	Cmdarg value
146  * @return 0 if OK, -ve on error
147  */
148 int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
149 
150 #endif /* _MMC_PRIVATE_H_ */
151