| /* |
| * linux/include/linux/mmc/card.h |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * Card driver specific definitions. |
| */ |
| #ifndef LINUX_MMC_CARD_H |
| #define LINUX_MMC_CARD_H |
| |
| #include <linux/mmc/mmc.h> |
| |
| struct mmc_cid { |
| unsigned int manfid; |
| char prod_name[8]; |
| unsigned int serial; |
| unsigned short oemid; |
| unsigned short year; |
| unsigned char hwrev; |
| unsigned char fwrev; |
| unsigned char month; |
| }; |
| |
| struct mmc_csd { |
| unsigned char mmca_vsn; |
| unsigned short cmdclass; |
| unsigned short tacc_clks; |
| unsigned int tacc_ns; |
| unsigned int max_dtr; |
| unsigned int read_blkbits; |
| unsigned int capacity; |
| }; |
| |
| struct mmc_host; |
| |
| /* |
| * MMC device |
| */ |
| struct mmc_card { |
| struct list_head node; /* node in hosts devices list */ |
| struct mmc_host *host; /* the host this device belongs to */ |
| struct device dev; /* the device */ |
| unsigned int rca; /* relative card address of device */ |
| unsigned int state; /* (our) card state */ |
| #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ |
| #define MMC_STATE_DEAD (1<<1) /* device no longer in stack */ |
| #define MMC_STATE_BAD (1<<2) /* unrecognised device */ |
| #define MMC_STATE_SDCARD (1<<3) /* is an SD card */ |
| #define MMC_STATE_READONLY (1<<4) /* card is read-only */ |
| u32 raw_cid[4]; /* raw card CID */ |
| u32 raw_csd[4]; /* raw card CSD */ |
| struct mmc_cid cid; /* card identification */ |
| struct mmc_csd csd; /* card specific */ |
| }; |
| |
| #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) |
| #define mmc_card_dead(c) ((c)->state & MMC_STATE_DEAD) |
| #define mmc_card_bad(c) ((c)->state & MMC_STATE_BAD) |
| #define mmc_card_sd(c) ((c)->state & MMC_STATE_SDCARD) |
| #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) |
| |
| #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) |
| #define mmc_card_set_dead(c) ((c)->state |= MMC_STATE_DEAD) |
| #define mmc_card_set_bad(c) ((c)->state |= MMC_STATE_BAD) |
| #define mmc_card_set_sd(c) ((c)->state |= MMC_STATE_SDCARD) |
| #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) |
| |
| #define mmc_card_name(c) ((c)->cid.prod_name) |
| #define mmc_card_id(c) ((c)->dev.bus_id) |
| |
| #define mmc_list_to_card(l) container_of(l, struct mmc_card, node) |
| #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev) |
| #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d) |
| |
| /* |
| * MMC device driver (e.g., Flash card, I/O card...) |
| */ |
| struct mmc_driver { |
| struct device_driver drv; |
| int (*probe)(struct mmc_card *); |
| void (*remove)(struct mmc_card *); |
| int (*suspend)(struct mmc_card *, pm_message_t); |
| int (*resume)(struct mmc_card *); |
| }; |
| |
| extern int mmc_register_driver(struct mmc_driver *); |
| extern void mmc_unregister_driver(struct mmc_driver *); |
| |
| static inline int mmc_card_claim_host(struct mmc_card *card) |
| { |
| return __mmc_claim_host(card->host, card); |
| } |
| |
| #define mmc_card_release_host(c) mmc_release_host((c)->host) |
| |
| #endif |