1 files changed, 92 insertions, 0 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
new file mode 100644
index 000000000000..aefedf04b9bb
--- /dev/null
+++ b/include/linux/mmc/card.h
@@ -0,0 +1,92 @@
+/*
+ *  linux/include/linux/mmc/card.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  Card driver specific definitions.
+ */
+#ifndef LINUX_MMC_CARD_H
+#define LINUX_MMC_CARD_H
+
+#include <linux/mmc/mmc.h>
+
+struct mmc_cid {
+        unsigned int            manfid;
+        char                    prod_name[8];
+        unsigned int            serial;
+        unsigned short          oemid;
+        unsigned short          year;
+        unsigned char           hwrev;
+        unsigned char           fwrev;
+        unsigned char           month;
+};
+
+struct mmc_csd {
+        unsigned char           mmca_vsn;
+        unsigned short          cmdclass;
+        unsigned short          tacc_clks;
+        unsigned int            tacc_ns;
+        unsigned int            max_dtr;
+        unsigned int            read_blkbits;
+        unsigned int            capacity;
+};
+
+struct mmc_host;
+
+/*
+ * MMC device
+ */
+struct mmc_card {
+        struct list_head        node;           /* node in hosts devices list */
+        struct mmc_host         *host;          /* the host this device belongs to */
+        struct device           dev;            /* the device */
+        unsigned int            rca;            /* relative card address of device */
+        unsigned int            state;          /* (our) card state */
+#define MMC_STATE_PRESENT       (1<<0)          /* present in sysfs */
+#define MMC_STATE_DEAD          (1<<1)          /* device no longer in stack */
+#define MMC_STATE_BAD           (1<<2)          /* unrecognised device */
+        u32                     raw_cid[4];     /* raw card CID */
+        u32                     raw_csd[4];     /* raw card CSD */
+        struct mmc_cid          cid;            /* card identification */
+        struct mmc_csd          csd;            /* card specific */
+};
+
+#define mmc_card_present(c)     ((c)->state & MMC_STATE_PRESENT)
+#define mmc_card_dead(c)        ((c)->state & MMC_STATE_DEAD)
+#define mmc_card_bad(c)         ((c)->state & MMC_STATE_BAD)
+
+#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
+#define mmc_card_set_dead(c)    ((c)->state |= MMC_STATE_DEAD)
+#define mmc_card_set_bad(c)     ((c)->state |= MMC_STATE_BAD)
+
+#define mmc_card_name(c)        ((c)->cid.prod_name)
+#define mmc_card_id(c)          ((c)->dev.bus_id)
+
+#define mmc_list_to_card(l)     container_of(l, struct mmc_card, node)
+#define mmc_get_drvdata(c)      dev_get_drvdata(&(c)->dev)
+#define mmc_set_drvdata(c,d)    dev_set_drvdata(&(c)->dev, d)
+
+/*
+ * MMC device driver (e.g., Flash card, I/O card...)
+ */
+struct mmc_driver {
+        struct device_driver drv;
+        int (*probe)(struct mmc_card *);
+        void (*remove)(struct mmc_card *);
+        int (*suspend)(struct mmc_card *, pm_message_t);
+        int (*resume)(struct mmc_card *);
+};
+
+extern int mmc_register_driver(struct mmc_driver *);
+extern void mmc_unregister_driver(struct mmc_driver *);
+
+static inline int mmc_card_claim_host(struct mmc_card *card)
+{
+        return __mmc_claim_host(card->host, card);
+}
+
+#define mmc_card_release_host(c)        mmc_release_host((c)->host)
+
+#endif