- /*
- * 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 sd_scr {
- unsigned char sda_vsn;
- unsigned char bus_widths;
- #define SD_SCR_BUS_WIDTH_1 (1<<0)
- #define SD_SCR_BUS_WIDTH_4 (1<<2)
- };
- 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 */
- u32 raw_scr[2]; /* raw card SCR */
- struct mmc_cid cid; /* card identification */
- struct mmc_csd csd; /* card specific */
- struct sd_scr scr; /* extra SD information */
- };
- #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