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 erase_size; /* In sectors */
35 unsigned int read_blkbits;
36 unsigned int write_blkbits;
37 unsigned int capacity;
38 unsigned int read_partial:1,
47 u8 sec_feature_support;
51 unsigned int sa_timeout; /* Units: 100ns */
52 unsigned int hs_max_dtr;
54 unsigned int card_type;
55 unsigned int hc_erase_size; /* In sectors */
56 unsigned int hc_erase_timeout; /* In milliseconds */
57 unsigned int sec_trim_mult; /* Secure trim multiplier */
58 unsigned int sec_erase_mult; /* Secure erase multiplier */
59 unsigned int trim_timeout; /* In milliseconds */
60 bool enhanced_area_en; /* enable bit */
61 unsigned long long enhanced_area_offset; /* Units: Byte */
62 unsigned int enhanced_area_size; /* Units: KB */
66 unsigned char sda_vsn;
67 unsigned char bus_widths;
68 #define SD_SCR_BUS_WIDTH_1 (1<<0)
69 #define SD_SCR_BUS_WIDTH_4 (1<<2)
73 unsigned int au; /* In sectors */
74 unsigned int erase_timeout; /* In milliseconds */
75 unsigned int erase_offset; /* In milliseconds */
78 struct sd_switch_caps {
79 unsigned int hs_max_dtr;
83 unsigned int sdio_vsn;
85 unsigned int multi_block:1,
94 unsigned short vendor;
95 unsigned short device;
96 unsigned short blksize;
102 struct sdio_func_tuple;
104 #define SDIO_MAX_FUNCS 7
110 struct mmc_host *host; /* the host this device belongs to */
111 struct device dev; /* the device */
112 unsigned int rca; /* relative card address of device */
113 unsigned int type; /* card type */
114 #define MMC_TYPE_MMC 0 /* MMC card */
115 #define MMC_TYPE_SD 1 /* SD card */
116 #define MMC_TYPE_SDIO 2 /* SDIO card */
117 #define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
118 unsigned int state; /* (our) card state */
119 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
120 #define MMC_STATE_READONLY (1<<1) /* card is read-only */
121 #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
122 #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
123 #define MMC_STATE_HIGHSPEED_DDR (1<<4) /* card is in high speed mode */
124 unsigned int quirks; /* card quirks */
125 #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
126 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
128 #define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
129 /* (missing CIA registers) */
130 #define MMC_QUIRK_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */
132 unsigned int erase_size; /* erase size in sectors */
133 unsigned int erase_shift; /* if erase unit is power 2 */
134 unsigned int pref_erase; /* in sectors */
135 u8 erased_byte; /* value of erased bytes */
137 u32 raw_cid[4]; /* raw card CID */
138 u32 raw_csd[4]; /* raw card CSD */
139 u32 raw_scr[2]; /* raw card SCR */
140 struct mmc_cid cid; /* card identification */
141 struct mmc_csd csd; /* card specific */
142 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
143 struct sd_scr scr; /* extra SD information */
144 struct sd_ssr ssr; /* yet more SD information */
145 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
147 unsigned int sdio_funcs; /* number of SDIO functions */
148 struct sdio_cccr cccr; /* common card info */
149 struct sdio_cis cis; /* common tuple info */
150 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
151 unsigned num_info; /* number of info strings */
152 const char **info; /* info strings */
153 struct sdio_func_tuple *tuples; /* unknown common tuples */
155 struct dentry *debugfs_root;
158 void mmc_fixup_device(struct mmc_card *dev);
160 #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
161 #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
162 #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
164 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
165 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
166 #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
167 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
168 #define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR)
170 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
171 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
172 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
173 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
174 #define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
176 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
178 return c->quirks & MMC_QUIRK_LENIENT_FN0;
181 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
183 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
186 #define mmc_card_name(c) ((c)->cid.prod_name)
187 #define mmc_card_id(c) (dev_name(&(c)->dev))
189 #define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
191 #define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
192 #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
193 #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
196 * MMC device driver (e.g., Flash card, I/O card...)
199 struct device_driver drv;
200 int (*probe)(struct mmc_card *);
201 void (*remove)(struct mmc_card *);
202 int (*suspend)(struct mmc_card *, pm_message_t);
203 int (*resume)(struct mmc_card *);
206 extern int mmc_register_driver(struct mmc_driver *);
207 extern void mmc_unregister_driver(struct mmc_driver *);