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;
59 unsigned int sdio_vsn;
61 unsigned int multi_block:1,
71 #define SDIO_MAX_FUNCS 7
77 struct mmc_host *host; /* the host this device belongs to */
78 struct device dev; /* the device */
79 unsigned int rca; /* relative card address of device */
80 unsigned int type; /* card type */
81 #define MMC_TYPE_MMC 0 /* MMC card */
82 #define MMC_TYPE_SD 1 /* SD card */
83 #define MMC_TYPE_SDIO 2 /* SDIO card */
84 unsigned int state; /* (our) card state */
85 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
86 #define MMC_STATE_READONLY (1<<1) /* card is read-only */
87 #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
88 #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
90 u32 raw_cid[4]; /* raw card CID */
91 u32 raw_csd[4]; /* raw card CSD */
92 u32 raw_scr[2]; /* raw card SCR */
93 struct mmc_cid cid; /* card identification */
94 struct mmc_csd csd; /* card specific */
95 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
96 struct sd_scr scr; /* extra SD information */
97 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
99 unsigned int sdio_funcs; /* number of SDIO functions */
100 struct sdio_cccr cccr; /* common card info */
101 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
104 #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
105 #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
106 #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
108 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
109 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
110 #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
111 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
113 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
114 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
115 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
116 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
118 #define mmc_card_name(c) ((c)->cid.prod_name)
119 #define mmc_card_id(c) ((c)->dev.bus_id)
121 #define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
122 #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
123 #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
126 * MMC device driver (e.g., Flash card, I/O card...)
129 struct device_driver drv;
130 int (*probe)(struct mmc_card *);
131 void (*remove)(struct mmc_card *);
132 int (*suspend)(struct mmc_card *, pm_message_t);
133 int (*resume)(struct mmc_card *);
136 extern int mmc_register_driver(struct mmc_driver *);
137 extern void mmc_unregister_driver(struct mmc_driver *);