| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 */ |
| 50 | u32 raw_cid[4]; /* raw card CID */ |
| 51 | u32 raw_csd[4]; /* raw card CSD */ |
| 52 | struct mmc_cid cid; /* card identification */ |
| 53 | struct mmc_csd csd; /* card specific */ |
| 54 | }; |
| 55 | |
| 56 | #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) |
| 57 | #define mmc_card_dead(c) ((c)->state & MMC_STATE_DEAD) |
| 58 | #define mmc_card_bad(c) ((c)->state & MMC_STATE_BAD) |
| 59 | |
| 60 | #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) |
| 61 | #define mmc_card_set_dead(c) ((c)->state |= MMC_STATE_DEAD) |
| 62 | #define mmc_card_set_bad(c) ((c)->state |= MMC_STATE_BAD) |
| 63 | |
| 64 | #define mmc_card_name(c) ((c)->cid.prod_name) |
| 65 | #define mmc_card_id(c) ((c)->dev.bus_id) |
| 66 | |
| 67 | #define mmc_list_to_card(l) container_of(l, struct mmc_card, node) |
| 68 | #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev) |
| 69 | #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d) |
| 70 | |
| 71 | /* |
| 72 | * MMC device driver (e.g., Flash card, I/O card...) |
| 73 | */ |
| 74 | struct mmc_driver { |
| 75 | struct device_driver drv; |
| 76 | int (*probe)(struct mmc_card *); |
| 77 | void (*remove)(struct mmc_card *); |
| 78 | int (*suspend)(struct mmc_card *, pm_message_t); |
| 79 | int (*resume)(struct mmc_card *); |
| 80 | }; |
| 81 | |
| 82 | extern int mmc_register_driver(struct mmc_driver *); |
| 83 | extern void mmc_unregister_driver(struct mmc_driver *); |
| 84 | |
| 85 | static inline int mmc_card_claim_host(struct mmc_card *card) |
| 86 | { |
| 87 | return __mmc_claim_host(card->host, card); |
| 88 | } |
| 89 | |
| 90 | #define mmc_card_release_host(c) mmc_release_host((c)->host) |
| 91 | |
| 92 | #endif |