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 int mmc_set_blockcount(struct mmc *mmc, unsigned int blkcnt, bool is_rel_write);
24 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
25 void mmc_adapter_card_type_ident(void);
26 #endif
27
28 #if CONFIG_IS_ENABLED(BLK)
29 ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
30 void *dst);
31 #ifdef CONFIG_SPL_BLK_READ_PREPARE
32 ulong mmc_bread_prepare(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
33 void *dst);
34 #endif
35 #else
36 ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
37 void *dst);
38 #ifdef CONFIG_SPL_BLK_READ_PREPARE
39 ulong mmc_bread_prepare(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
40 void *dst);
41 #endif
42 #endif
43
44 #if CONFIG_IS_ENABLED(MMC_WRITE)
45
46 #if CONFIG_IS_ENABLED(BLK)
47 ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
48 const void *src);
49 ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
50 #else
51 ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
52 const void *src);
53 ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
54 #endif
55
56 #else /* CONFIG_SPL_MMC_WRITE is not defined */
57
58 /* declare dummies to reduce code size. */
59
60 #if CONFIG_IS_ENABLED(BLK)
mmc_berase(struct udevice * dev,lbaint_t start,lbaint_t blkcnt)61 static inline unsigned long mmc_berase(struct udevice *dev,
62 lbaint_t start, lbaint_t blkcnt)
63 {
64 return 0;
65 }
66
mmc_bwrite(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,const void * src)67 static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
68 lbaint_t blkcnt, const void *src)
69 {
70 return 0;
71 }
72 #else
mmc_berase(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt)73 static inline unsigned long mmc_berase(struct blk_desc *block_dev,
74 lbaint_t start, lbaint_t blkcnt)
75 {
76 return 0;
77 }
78
mmc_bwrite(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt,const void * src)79 static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
80 lbaint_t blkcnt, const void *src)
81 {
82 return 0;
83 }
84 #endif
85
86 #endif /* CONFIG_SPL_BUILD */
87
88 #ifdef CONFIG_MMC_TRACE
89 void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
90 void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
91 void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
92 #else
mmmc_trace_before_send(struct mmc * mmc,struct mmc_cmd * cmd)93 static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
94 {
95 }
96
mmmc_trace_after_send(struct mmc * mmc,struct mmc_cmd * cmd,int ret)97 static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
98 int ret)
99 {
100 }
101
mmc_trace_state(struct mmc * mmc,struct mmc_cmd * cmd)102 static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
103 {
104 }
105 #endif
106
107 /**
108 * mmc_get_next_devnum() - Get the next available MMC device number
109 *
110 * @return next available device number (0 = first), or -ve on error
111 */
112 int mmc_get_next_devnum(void);
113
114 /**
115 * mmc_do_preinit() - Get an MMC device ready for use
116 */
117 void mmc_do_preinit(void);
118
119 /**
120 * mmc_list_init() - Set up the list of MMC devices
121 */
122 void mmc_list_init(void);
123
124 /**
125 * mmc_list_add() - Add a new MMC device to the list of devices
126 *
127 * @mmc: Device to add
128 */
129 void mmc_list_add(struct mmc *mmc);
130
131 /**
132 * mmc_switch_part() - Switch to a new MMC hardware partition
133 *
134 * @mmc: MMC device
135 * @part_num: Hardware partition number
136 * @return 0 if OK, -ve on error
137 */
138 int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
139
140 /**
141 * mmc_switch() - Issue and MMC switch mode command
142 *
143 * @mmc: MMC device
144 * @set: Unused
145 * @index: Cmdarg index
146 * @value: Cmdarg value
147 * @return 0 if OK, -ve on error
148 */
149 int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
150
151 #endif /* _MMC_PRIVATE_H_ */
152