2 * linux/include/linux/mmc/card.h
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.
8 * Card driver specific definitions.
10 #ifndef LINUX_MMC_CARD_H
11 #define LINUX_MMC_CARD_H
13 #include <linux/mmc/core.h>
27 unsigned char structure;
28 unsigned char mmca_vsn;
29 unsigned short cmdclass;
30 unsigned short tacc_clks;
32 unsigned int r2w_factor;
34 unsigned int read_blkbits;
35 unsigned int write_blkbits;
36 unsigned int capacity;
37 unsigned int read_partial:1,
45 unsigned int sa_timeout; /* Units: 100ns */
46 unsigned int hs_max_dtr;
51 unsigned char sda_vsn;
52 unsigned char bus_widths;
53 #define SD_SCR_BUS_WIDTH_1 (1<<0)
54 #define SD_SCR_BUS_WIDTH_4 (1<<2)
57 struct sd_switch_caps {
58 unsigned int hs_max_dtr;
62 unsigned int sdio_vsn;
64 unsigned int multi_block:1,
73 unsigned short vendor;
74 unsigned short device;
75 unsigned short blksize;
81 struct sdio_func_tuple;
83 #define SDIO_MAX_FUNCS 7
89 struct mmc_host *host; /* the host this device belongs to */
90 struct device dev; /* the device */
91 unsigned int rca; /* relative card address of device */
92 unsigned int type; /* card type */
93 #define MMC_TYPE_MMC 0 /* MMC card */
94 #define MMC_TYPE_SD 1 /* SD card */
95 #define MMC_TYPE_SDIO 2 /* SDIO card */
96 unsigned int state; /* (our) card state */
97 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
98 #define MMC_STATE_READONLY (1<<1) /* card is read-only */
99 #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
100 #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
101 unsigned int quirks; /* card quirks */
102 #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
103 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
106 u32 raw_cid[4]; /* raw card CID */
107 u32 raw_csd[4]; /* raw card CSD */
108 u32 raw_scr[2]; /* raw card SCR */
109 struct mmc_cid cid; /* card identification */
110 struct mmc_csd csd; /* card specific */
111 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
112 struct sd_scr scr; /* extra SD information */
113 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
115 unsigned int sdio_funcs; /* number of SDIO functions */
116 struct sdio_cccr cccr; /* common card info */
117 struct sdio_cis cis; /* common tuple info */
118 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
119 unsigned num_info; /* number of info strings */
120 const char **info; /* info strings */
121 struct sdio_func_tuple *tuples; /* unknown common tuples */
123 struct dentry *debugfs_root;
126 #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
127 #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
128 #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
130 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
131 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
132 #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
133 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
135 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
136 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
137 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
138 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
140 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
142 return c->quirks & MMC_QUIRK_LENIENT_FN0;
145 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
147 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
150 #define mmc_card_name(c) ((c)->cid.prod_name)
151 #define mmc_card_id(c) (dev_name(&(c)->dev))
153 #define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
154 #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
155 #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
158 * MMC device driver (e.g., Flash card, I/O card...)
161 struct device_driver drv;
162 int (*probe)(struct mmc_card *);
163 void (*remove)(struct mmc_card *);
164 int (*suspend)(struct mmc_card *, pm_message_t);
165 int (*resume)(struct mmc_card *);
168 extern int mmc_register_driver(struct mmc_driver *);
169 extern void mmc_unregister_driver(struct mmc_driver *);