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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 | ||
13 | #include <linux/mmc/mmc.h> | |
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; | |
31 | unsigned int max_dtr; | |
32 | unsigned int read_blkbits; | |
33 | unsigned int capacity; | |
34 | }; | |
35 | ||
36 | struct mmc_host; | |
37 | ||
38 | /* | |
39 | * MMC device | |
40 | */ | |
41 | struct mmc_card { | |
42 | struct list_head node; /* node in hosts devices list */ | |
43 | struct mmc_host *host; /* the host this device belongs to */ | |
44 | struct device dev; /* the device */ | |
45 | unsigned int rca; /* relative card address of device */ | |
46 | unsigned int state; /* (our) card state */ | |
47 | #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ | |
48 | #define MMC_STATE_DEAD (1<<1) /* device no longer in stack */ | |
49 | #define MMC_STATE_BAD (1<<2) /* unrecognised device */ | |
335eadf2 | 50 | #define MMC_STATE_SDCARD (1<<3) /* is an SD card */ |
a00fc090 | 51 | #define MMC_STATE_READONLY (1<<4) /* card is read-only */ |
1da177e4 LT |
52 | u32 raw_cid[4]; /* raw card CID */ |
53 | u32 raw_csd[4]; /* raw card CSD */ | |
54 | struct mmc_cid cid; /* card identification */ | |
55 | struct mmc_csd csd; /* card specific */ | |
56 | }; | |
57 | ||
58 | #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) | |
59 | #define mmc_card_dead(c) ((c)->state & MMC_STATE_DEAD) | |
60 | #define mmc_card_bad(c) ((c)->state & MMC_STATE_BAD) | |
335eadf2 | 61 | #define mmc_card_sd(c) ((c)->state & MMC_STATE_SDCARD) |
a00fc090 | 62 | #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) |
1da177e4 LT |
63 | |
64 | #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) | |
65 | #define mmc_card_set_dead(c) ((c)->state |= MMC_STATE_DEAD) | |
66 | #define mmc_card_set_bad(c) ((c)->state |= MMC_STATE_BAD) | |
335eadf2 | 67 | #define mmc_card_set_sd(c) ((c)->state |= MMC_STATE_SDCARD) |
a00fc090 | 68 | #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) |
1da177e4 LT |
69 | |
70 | #define mmc_card_name(c) ((c)->cid.prod_name) | |
71 | #define mmc_card_id(c) ((c)->dev.bus_id) | |
72 | ||
73 | #define mmc_list_to_card(l) container_of(l, struct mmc_card, node) | |
74 | #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev) | |
75 | #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d) | |
76 | ||
77 | /* | |
78 | * MMC device driver (e.g., Flash card, I/O card...) | |
79 | */ | |
80 | struct mmc_driver { | |
81 | struct device_driver drv; | |
82 | int (*probe)(struct mmc_card *); | |
83 | void (*remove)(struct mmc_card *); | |
84 | int (*suspend)(struct mmc_card *, pm_message_t); | |
85 | int (*resume)(struct mmc_card *); | |
86 | }; | |
87 | ||
88 | extern int mmc_register_driver(struct mmc_driver *); | |
89 | extern void mmc_unregister_driver(struct mmc_driver *); | |
90 | ||
91 | static inline int mmc_card_claim_host(struct mmc_card *card) | |
92 | { | |
93 | return __mmc_claim_host(card->host, card); | |
94 | } | |
95 | ||
96 | #define mmc_card_release_host(c) mmc_release_host((c)->host) | |
97 | ||
98 | #endif |