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