diff options
author | Pierre Ossman <drzeus@drzeus.cx> | 2007-02-28 09:33:10 -0500 |
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committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-05-01 07:04:18 -0400 |
commit | aaac1b470bd0dccb30912356617069dc6199cc80 (patch) | |
tree | 123316b4a6c10bf2e884d0469994f3435d03e22c /include/linux/mmc/mmc.h | |
parent | b855885e3b60cf6f9452848712a62517b94583eb (diff) |
mmc: Move core functions to subdir
Create a "core" subdirectory to house the central bus handling
functions.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc/mmc.h')
-rw-r--r-- | include/linux/mmc/mmc.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h deleted file mode 100644 index b3d80efc6434..000000000000 --- a/include/linux/mmc/mmc.h +++ /dev/null | |||
@@ -1,112 +0,0 @@ | |||
1 | /* | ||
2 | * linux/include/linux/mmc/mmc.h | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | */ | ||
8 | #ifndef MMC_H | ||
9 | #define MMC_H | ||
10 | |||
11 | #include <linux/interrupt.h> | ||
12 | #include <linux/device.h> | ||
13 | |||
14 | struct request; | ||
15 | struct mmc_data; | ||
16 | struct mmc_request; | ||
17 | |||
18 | struct mmc_command { | ||
19 | u32 opcode; | ||
20 | u32 arg; | ||
21 | u32 resp[4]; | ||
22 | unsigned int flags; /* expected response type */ | ||
23 | #define MMC_RSP_PRESENT (1 << 0) | ||
24 | #define MMC_RSP_136 (1 << 1) /* 136 bit response */ | ||
25 | #define MMC_RSP_CRC (1 << 2) /* expect valid crc */ | ||
26 | #define MMC_RSP_BUSY (1 << 3) /* card may send busy */ | ||
27 | #define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ | ||
28 | #define MMC_CMD_MASK (3 << 5) /* command type */ | ||
29 | #define MMC_CMD_AC (0 << 5) | ||
30 | #define MMC_CMD_ADTC (1 << 5) | ||
31 | #define MMC_CMD_BC (2 << 5) | ||
32 | #define MMC_CMD_BCR (3 << 5) | ||
33 | |||
34 | /* | ||
35 | * These are the response types, and correspond to valid bit | ||
36 | * patterns of the above flags. One additional valid pattern | ||
37 | * is all zeros, which means we don't expect a response. | ||
38 | */ | ||
39 | #define MMC_RSP_NONE (0) | ||
40 | #define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) | ||
41 | #define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY) | ||
42 | #define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) | ||
43 | #define MMC_RSP_R3 (MMC_RSP_PRESENT) | ||
44 | #define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) | ||
45 | #define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) | ||
46 | |||
47 | #define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE)) | ||
48 | |||
49 | /* | ||
50 | * These are the command types. | ||
51 | */ | ||
52 | #define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK) | ||
53 | |||
54 | unsigned int retries; /* max number of retries */ | ||
55 | unsigned int error; /* command error */ | ||
56 | |||
57 | #define MMC_ERR_NONE 0 | ||
58 | #define MMC_ERR_TIMEOUT 1 | ||
59 | #define MMC_ERR_BADCRC 2 | ||
60 | #define MMC_ERR_FIFO 3 | ||
61 | #define MMC_ERR_FAILED 4 | ||
62 | #define MMC_ERR_INVALID 5 | ||
63 | |||
64 | struct mmc_data *data; /* data segment associated with cmd */ | ||
65 | struct mmc_request *mrq; /* associated request */ | ||
66 | }; | ||
67 | |||
68 | struct mmc_data { | ||
69 | unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */ | ||
70 | unsigned int timeout_clks; /* data timeout (in clocks) */ | ||
71 | unsigned int blksz; /* data block size */ | ||
72 | unsigned int blocks; /* number of blocks */ | ||
73 | unsigned int error; /* data error */ | ||
74 | unsigned int flags; | ||
75 | |||
76 | #define MMC_DATA_WRITE (1 << 8) | ||
77 | #define MMC_DATA_READ (1 << 9) | ||
78 | #define MMC_DATA_STREAM (1 << 10) | ||
79 | #define MMC_DATA_MULTI (1 << 11) | ||
80 | |||
81 | unsigned int bytes_xfered; | ||
82 | |||
83 | struct mmc_command *stop; /* stop command */ | ||
84 | struct mmc_request *mrq; /* associated request */ | ||
85 | |||
86 | unsigned int sg_len; /* size of scatter list */ | ||
87 | struct scatterlist *sg; /* I/O scatter list */ | ||
88 | }; | ||
89 | |||
90 | struct mmc_request { | ||
91 | struct mmc_command *cmd; | ||
92 | struct mmc_data *data; | ||
93 | struct mmc_command *stop; | ||
94 | |||
95 | void *done_data; /* completion data */ | ||
96 | void (*done)(struct mmc_request *);/* completion function */ | ||
97 | }; | ||
98 | |||
99 | struct mmc_host; | ||
100 | struct mmc_card; | ||
101 | |||
102 | extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *); | ||
103 | extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); | ||
104 | extern int mmc_wait_for_app_cmd(struct mmc_host *, unsigned int, | ||
105 | struct mmc_command *, int); | ||
106 | |||
107 | extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int); | ||
108 | |||
109 | extern void mmc_claim_host(struct mmc_host *host); | ||
110 | extern void mmc_release_host(struct mmc_host *host); | ||
111 | |||
112 | #endif | ||