1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * Copyright 2008,2010 Freescale Semiconductor, Inc
4 * Copyright 2020 NXP
5 * Andy Fleming
6 *
7 * Based (loosely) on the Linux code
8 */
9
10 #ifndef _MMC_PRIVATE_H_
11 #define _MMC_PRIVATE_H_
12
13 #include <mmc.h>
14
15 int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data);
16 int mmc_send_status(struct mmc *mmc, unsigned int *status);
17 int mmc_poll_for_busy(struct mmc *mmc, int timeout);
18
19 int mmc_set_blocklen(struct mmc *mmc, int len);
20
21 #if CONFIG_IS_ENABLED(BLK)
22 ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
23 void *dst);
24 #else
25 ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
26 void *dst);
27 #endif
28
29 #if CONFIG_IS_ENABLED(MMC_WRITE)
30
31 #if CONFIG_IS_ENABLED(BLK)
32 ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
33 const void *src);
34 ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
35 #else
36 ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
37 const void *src);
38 ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
39 #endif
40
41 #else /* CONFIG_SPL_MMC_WRITE is not defined */
42
43 /* declare dummies to reduce code size. */
44
45 #if CONFIG_IS_ENABLED(BLK)
mmc_berase(struct udevice * dev,lbaint_t start,lbaint_t blkcnt)46 static inline unsigned long mmc_berase(struct udevice *dev,
47 lbaint_t start, lbaint_t blkcnt)
48 {
49 return 0;
50 }
51
mmc_bwrite(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,const void * src)52 static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
53 lbaint_t blkcnt, const void *src)
54 {
55 return 0;
56 }
57 #else
mmc_berase(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt)58 static inline unsigned long mmc_berase(struct blk_desc *block_dev,
59 lbaint_t start, lbaint_t blkcnt)
60 {
61 return 0;
62 }
63
mmc_bwrite(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt,const void * src)64 static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
65 lbaint_t blkcnt, const void *src)
66 {
67 return 0;
68 }
69 #endif
70
71 #endif /* CONFIG_SPL_BUILD */
72
73 #ifdef CONFIG_MMC_TRACE
74 void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
75 void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
76 void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
77 #else
mmmc_trace_before_send(struct mmc * mmc,struct mmc_cmd * cmd)78 static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
79 {
80 }
81
mmmc_trace_after_send(struct mmc * mmc,struct mmc_cmd * cmd,int ret)82 static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
83 int ret)
84 {
85 }
86
mmc_trace_state(struct mmc * mmc,struct mmc_cmd * cmd)87 static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
88 {
89 }
90 #endif
91
92 /**
93 * mmc_get_next_devnum() - Get the next available MMC device number
94 *
95 * @return next available device number (0 = first), or -ve on error
96 */
97 int mmc_get_next_devnum(void);
98
99 /**
100 * mmc_do_preinit() - Get an MMC device ready for use
101 */
102 void mmc_do_preinit(void);
103
104 /**
105 * mmc_list_init() - Set up the list of MMC devices
106 */
107 void mmc_list_init(void);
108
109 /**
110 * mmc_list_add() - Add a new MMC device to the list of devices
111 *
112 * @mmc: Device to add
113 */
114 void mmc_list_add(struct mmc *mmc);
115
116 /**
117 * mmc_switch_part() - Switch to a new MMC hardware partition
118 *
119 * @mmc: MMC device
120 * @part_num: Hardware partition number
121 * @return 0 if OK, -ve on error
122 */
123 int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
124
125 /**
126 * mmc_switch() - Issue and MMC switch mode command
127 *
128 * @mmc: MMC device
129 * @set: Unused
130 * @index: Cmdarg index
131 * @value: Cmdarg value
132 * @return 0 if OK, -ve on error
133 */
134 int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
135
136 #endif /* _MMC_PRIVATE_H_ */
137