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