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 mmca_vsn;
28 unsigned short cmdclass;
29 unsigned short tacc_clks;
31 unsigned int r2w_factor;
33 unsigned int read_blkbits;
34 unsigned int write_blkbits;
35 unsigned int capacity;
36 unsigned int read_partial:1,
43 unsigned int hs_max_dtr;
48 unsigned char sda_vsn;
49 unsigned char bus_widths;
50 #define SD_SCR_BUS_WIDTH_1 (1<<0)
51 #define SD_SCR_BUS_WIDTH_4 (1<<2)
54 struct sd_switch_caps {
55 unsigned int hs_max_dtr;
64 struct mmc_host *host; /* the host this device belongs to */
65 struct device dev; /* the device */
66 unsigned int rca; /* relative card address of device */
67 unsigned int type; /* card type */
68 #define MMC_TYPE_MMC 0 /* MMC card */
69 #define MMC_TYPE_SD 1 /* SD card */
70 unsigned int state; /* (our) card state */
71 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
72 #define MMC_STATE_DEAD (1<<1) /* device no longer in stack */
73 #define MMC_STATE_BAD (1<<2) /* unrecognised device */
74 #define MMC_STATE_READONLY (1<<3) /* card is read-only */
75 #define MMC_STATE_HIGHSPEED (1<<4) /* card is in high speed mode */
76 #define MMC_STATE_BLOCKADDR (1<<5) /* card uses block-addressing */
77 u32 raw_cid[4]; /* raw card CID */
78 u32 raw_csd[4]; /* raw card CSD */
79 u32 raw_scr[2]; /* raw card SCR */
80 struct mmc_cid cid; /* card identification */
81 struct mmc_csd csd; /* card specific */
82 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
83 struct sd_scr scr; /* extra SD information */
84 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
87 #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
88 #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
90 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
91 #define mmc_card_dead(c) ((c)->state & MMC_STATE_DEAD)
92 #define mmc_card_bad(c) ((c)->state & MMC_STATE_BAD)
93 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
94 #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
95 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
97 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
98 #define mmc_card_set_dead(c) ((c)->state |= MMC_STATE_DEAD)
99 #define mmc_card_set_bad(c) ((c)->state |= MMC_STATE_BAD)
100 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
101 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
102 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
104 #define mmc_card_name(c) ((c)->cid.prod_name)
105 #define mmc_card_id(c) ((c)->dev.bus_id)
107 #define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
108 #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
109 #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
112 * MMC device driver (e.g., Flash card, I/O card...)
115 struct device_driver drv;
116 int (*probe)(struct mmc_card *);
117 void (*remove)(struct mmc_card *);
118 int (*suspend)(struct mmc_card *, pm_message_t);
119 int (*resume)(struct mmc_card *);
122 extern int mmc_register_driver(struct mmc_driver *);
123 extern void mmc_unregister_driver(struct mmc_driver *);