| /* |
| * 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/core.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 structure; |
| unsigned char mmca_vsn; |
| unsigned short cmdclass; |
| unsigned short tacc_clks; |
| unsigned int tacc_ns; |
| unsigned int r2w_factor; |
| unsigned int max_dtr; |
| unsigned int read_blkbits; |
| unsigned int write_blkbits; |
| unsigned int capacity; |
| unsigned int read_partial:1, |
| read_misalign:1, |
| write_partial:1, |
| write_misalign:1; |
| }; |
| |
| struct mmc_ext_csd { |
| u8 rev; |
| unsigned int sa_timeout; /* Units: 100ns */ |
| unsigned int hs_max_dtr; |
| unsigned int sectors; |
| }; |
| |
| 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 sd_switch_caps { |
| unsigned int hs_max_dtr; |
| }; |
| |
| struct sdio_cccr { |
| unsigned int sdio_vsn; |
| unsigned int sd_vsn; |
| unsigned int multi_block:1, |
| low_speed:1, |
| wide_bus:1, |
| high_power:1, |
| high_speed:1, |
| disable_cd:1; |
| }; |
| |
| struct sdio_cis { |
| unsigned short vendor; |
| unsigned short device; |
| unsigned short blksize; |
| unsigned int max_dtr; |
| }; |
| |
| struct mmc_host; |
| struct sdio_func; |
| struct sdio_func_tuple; |
| |
| #define SDIO_MAX_FUNCS 7 |
| |
| /* |
| * MMC device |
| */ |
| struct mmc_card { |
| 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 type; /* card type */ |
| #define MMC_TYPE_MMC 0 /* MMC card */ |
| #define MMC_TYPE_SD 1 /* SD card */ |
| #define MMC_TYPE_SDIO 2 /* SDIO card */ |
| #define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */ |
| unsigned int state; /* (our) card state */ |
| #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ |
| #define MMC_STATE_READONLY (1<<1) /* card is read-only */ |
| #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */ |
| #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ |
| unsigned int quirks; /* card quirks */ |
| #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ |
| #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ |
| /* for byte mode */ |
| |
| 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 mmc_ext_csd ext_csd; /* mmc v4 extended card specific */ |
| struct sd_scr scr; /* extra SD information */ |
| struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ |
| |
| unsigned int sdio_funcs; /* number of SDIO functions */ |
| struct sdio_cccr cccr; /* common card info */ |
| struct sdio_cis cis; /* common tuple info */ |
| struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ |
| unsigned num_info; /* number of info strings */ |
| const char **info; /* info strings */ |
| struct sdio_func_tuple *tuples; /* unknown common tuples */ |
| |
| struct dentry *debugfs_root; |
| }; |
| |
| #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC) |
| #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD) |
| #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO) |
| |
| #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) |
| #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) |
| #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED) |
| #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) |
| |
| #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) |
| #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) |
| #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED) |
| #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) |
| |
| static inline int mmc_card_lenient_fn0(const struct mmc_card *c) |
| { |
| return c->quirks & MMC_QUIRK_LENIENT_FN0; |
| } |
| |
| static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c) |
| { |
| return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; |
| } |
| |
| #define mmc_card_name(c) ((c)->cid.prod_name) |
| #define mmc_card_id(c) (dev_name(&(c)->dev)) |
| |
| #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 *); |
| |
| #endif |