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
;
48 unsigned int sa_timeout
; /* Units: 100ns */
49 unsigned int hs_max_dtr
;
51 unsigned int card_type
;
52 unsigned int hc_erase_size
; /* In sectors */
53 unsigned int hc_erase_timeout
; /* In milliseconds */
54 unsigned int sec_trim_mult
; /* Secure trim multiplier */
55 unsigned int sec_erase_mult
; /* Secure erase multiplier */
56 unsigned int trim_timeout
; /* In milliseconds */
60 unsigned char sda_vsn
;
61 unsigned char bus_widths
;
62 #define SD_SCR_BUS_WIDTH_1 (1<<0)
63 #define SD_SCR_BUS_WIDTH_4 (1<<2)
67 unsigned int au
; /* In sectors */
68 unsigned int erase_timeout
; /* In milliseconds */
69 unsigned int erase_offset
; /* In milliseconds */
72 struct sd_switch_caps
{
73 unsigned int hs_max_dtr
;
77 unsigned int sdio_vsn
;
79 unsigned int multi_block
:1,
88 unsigned short vendor
;
89 unsigned short device
;
90 unsigned short blksize
;
96 struct sdio_func_tuple
;
98 #define SDIO_MAX_FUNCS 7
104 struct mmc_host
*host
; /* the host this device belongs to */
105 struct device dev
; /* the device */
106 unsigned int rca
; /* relative card address of device */
107 unsigned int type
; /* card type */
108 #define MMC_TYPE_MMC 0 /* MMC card */
109 #define MMC_TYPE_SD 1 /* SD card */
110 #define MMC_TYPE_SDIO 2 /* SDIO card */
111 #define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
112 unsigned int state
; /* (our) card state */
113 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
114 #define MMC_STATE_READONLY (1<<1) /* card is read-only */
115 #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
116 #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
117 #define MMC_STATE_HIGHSPEED_DDR (1<<4) /* card is in high speed mode */
118 unsigned int quirks
; /* card quirks */
119 #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
120 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
122 #define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
123 /* (missing CIA registers) */
125 unsigned int erase_size
; /* erase size in sectors */
126 unsigned int erase_shift
; /* if erase unit is power 2 */
127 unsigned int pref_erase
; /* in sectors */
128 u8 erased_byte
; /* value of erased bytes */
130 u32 raw_cid
[4]; /* raw card CID */
131 u32 raw_csd
[4]; /* raw card CSD */
132 u32 raw_scr
[2]; /* raw card SCR */
133 struct mmc_cid cid
; /* card identification */
134 struct mmc_csd csd
; /* card specific */
135 struct mmc_ext_csd ext_csd
; /* mmc v4 extended card specific */
136 struct sd_scr scr
; /* extra SD information */
137 struct sd_ssr ssr
; /* yet more SD information */
138 struct sd_switch_caps sw_caps
; /* switch (CMD6) caps */
140 unsigned int sdio_funcs
; /* number of SDIO functions */
141 struct sdio_cccr cccr
; /* common card info */
142 struct sdio_cis cis
; /* common tuple info */
143 struct sdio_func
*sdio_func
[SDIO_MAX_FUNCS
]; /* SDIO functions (devices) */
144 unsigned num_info
; /* number of info strings */
145 const char **info
; /* info strings */
146 struct sdio_func_tuple
*tuples
; /* unknown common tuples */
148 struct dentry
*debugfs_root
;
151 #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
152 #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
153 #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
155 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
156 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
157 #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
158 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
159 #define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR)
161 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
162 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
163 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
164 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
165 #define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
167 static inline int mmc_card_lenient_fn0(const struct mmc_card
*c
)
169 return c
->quirks
& MMC_QUIRK_LENIENT_FN0
;
172 static inline int mmc_blksz_for_byte_mode(const struct mmc_card
*c
)
174 return c
->quirks
& MMC_QUIRK_BLKSZ_FOR_BYTE_MODE
;
177 #define mmc_card_name(c) ((c)->cid.prod_name)
178 #define mmc_card_id(c) (dev_name(&(c)->dev))
180 #define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
182 #define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
183 #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
184 #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
187 * MMC device driver (e.g., Flash card, I/O card...)
190 struct device_driver drv
;
191 int (*probe
)(struct mmc_card
*);
192 void (*remove
)(struct mmc_card
*);
193 int (*suspend
)(struct mmc_card
*, pm_message_t
);
194 int (*resume
)(struct mmc_card
*);
197 extern int mmc_register_driver(struct mmc_driver
*);
198 extern void mmc_unregister_driver(struct mmc_driver
*);