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1da177e4 LT |
1 | /* |
2 | * linux/include/linux/mmc/card.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 | * Card driver specific definitions. | |
9 | */ | |
10 | #ifndef LINUX_MMC_CARD_H | |
11 | #define LINUX_MMC_CARD_H | |
12 | ||
aaac1b47 | 13 | #include <linux/mmc/core.h> |
1da177e4 LT |
14 | |
15 | struct mmc_cid { | |
16 | unsigned int manfid; | |
17 | char prod_name[8]; | |
18 | unsigned int serial; | |
19 | unsigned short oemid; | |
20 | unsigned short year; | |
21 | unsigned char hwrev; | |
22 | unsigned char fwrev; | |
23 | unsigned char month; | |
24 | }; | |
25 | ||
26 | struct mmc_csd { | |
27 | unsigned char mmca_vsn; | |
28 | unsigned short cmdclass; | |
29 | unsigned short tacc_clks; | |
30 | unsigned int tacc_ns; | |
37be4e78 | 31 | unsigned int r2w_factor; |
1da177e4 LT |
32 | unsigned int max_dtr; |
33 | unsigned int read_blkbits; | |
a6f6c96b | 34 | unsigned int write_blkbits; |
1da177e4 | 35 | unsigned int capacity; |
a6f6c96b RK |
36 | unsigned int read_partial:1, |
37 | read_misalign:1, | |
ce11a161 | 38 | write_partial:1, |
a6f6c96b | 39 | write_misalign:1; |
1da177e4 LT |
40 | }; |
41 | ||
bce40a36 PL |
42 | struct mmc_ext_csd { |
43 | unsigned int hs_max_dtr; | |
85a18ad9 | 44 | unsigned int sectors; |
bce40a36 PL |
45 | }; |
46 | ||
b57c43ad PO |
47 | struct sd_scr { |
48 | unsigned char sda_vsn; | |
49 | unsigned char bus_widths; | |
50 | #define SD_SCR_BUS_WIDTH_1 (1<<0) | |
51 | #define SD_SCR_BUS_WIDTH_4 (1<<2) | |
52 | }; | |
53 | ||
7ccd266e PO |
54 | struct sd_switch_caps { |
55 | unsigned int hs_max_dtr; | |
56 | }; | |
57 | ||
35c66c19 PO |
58 | struct sdio_cccr { |
59 | unsigned int sdio_vsn; | |
60 | unsigned int sd_vsn; | |
61 | unsigned int multi_block:1, | |
62 | low_speed:1, | |
63 | wide_bus:1, | |
64 | high_power:1, | |
65 | high_speed:1; | |
66 | }; | |
67 | ||
1da177e4 | 68 | struct mmc_host; |
e29a7d73 PO |
69 | struct sdio_func; |
70 | ||
71 | #define SDIO_MAX_FUNCS 7 | |
1da177e4 LT |
72 | |
73 | /* | |
74 | * MMC device | |
75 | */ | |
76 | struct mmc_card { | |
1da177e4 LT |
77 | struct mmc_host *host; /* the host this device belongs to */ |
78 | struct device dev; /* the device */ | |
79 | unsigned int rca; /* relative card address of device */ | |
9c2c0af9 PO |
80 | unsigned int type; /* card type */ |
81 | #define MMC_TYPE_MMC 0 /* MMC card */ | |
82 | #define MMC_TYPE_SD 1 /* SD card */ | |
5c4e6f13 | 83 | #define MMC_TYPE_SDIO 2 /* SDIO card */ |
1da177e4 LT |
84 | unsigned int state; /* (our) card state */ |
85 | #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ | |
bd766312 PO |
86 | #define MMC_STATE_READONLY (1<<1) /* card is read-only */ |
87 | #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */ | |
88 | #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ | |
e29a7d73 | 89 | |
1da177e4 LT |
90 | u32 raw_cid[4]; /* raw card CID */ |
91 | u32 raw_csd[4]; /* raw card CSD */ | |
b57c43ad | 92 | u32 raw_scr[2]; /* raw card SCR */ |
1da177e4 LT |
93 | struct mmc_cid cid; /* card identification */ |
94 | struct mmc_csd csd; /* card specific */ | |
bce40a36 | 95 | struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */ |
b57c43ad | 96 | struct sd_scr scr; /* extra SD information */ |
7ccd266e | 97 | struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ |
e29a7d73 PO |
98 | |
99 | unsigned int sdio_funcs; /* number of SDIO functions */ | |
35c66c19 | 100 | struct sdio_cccr cccr; /* common card info */ |
e29a7d73 | 101 | struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ |
1da177e4 LT |
102 | }; |
103 | ||
9c2c0af9 PO |
104 | #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC) |
105 | #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD) | |
5c4e6f13 | 106 | #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO) |
9c2c0af9 | 107 | |
1da177e4 | 108 | #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) |
a00fc090 | 109 | #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) |
bce40a36 | 110 | #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED) |
fba68bd2 | 111 | #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) |
1da177e4 LT |
112 | |
113 | #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) | |
a00fc090 | 114 | #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) |
bce40a36 | 115 | #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED) |
fba68bd2 | 116 | #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) |
1da177e4 LT |
117 | |
118 | #define mmc_card_name(c) ((c)->cid.prod_name) | |
119 | #define mmc_card_id(c) ((c)->dev.bus_id) | |
120 | ||
121 | #define mmc_list_to_card(l) container_of(l, struct mmc_card, node) | |
122 | #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev) | |
123 | #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d) | |
124 | ||
125 | /* | |
126 | * MMC device driver (e.g., Flash card, I/O card...) | |
127 | */ | |
128 | struct mmc_driver { | |
129 | struct device_driver drv; | |
130 | int (*probe)(struct mmc_card *); | |
131 | void (*remove)(struct mmc_card *); | |
132 | int (*suspend)(struct mmc_card *, pm_message_t); | |
133 | int (*resume)(struct mmc_card *); | |
134 | }; | |
135 | ||
136 | extern int mmc_register_driver(struct mmc_driver *); | |
137 | extern void mmc_unregister_driver(struct mmc_driver *); | |
138 | ||
1da177e4 | 139 | #endif |