include/linux/mmc/sdio_func.h
changeset 0 aa628870c1d3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/linux/mmc/sdio_func.h	Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,154 @@
+/*
+ *  include/linux/mmc/sdio_func.h
+ *
+ *  Copyright 2007-2008 Pierre Ossman
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef MMC_SDIO_FUNC_H
+#define MMC_SDIO_FUNC_H
+
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+
+struct mmc_card;
+struct sdio_func;
+
+typedef void (sdio_irq_handler_t)(struct sdio_func *);
+
+/*
+ * SDIO function CIS tuple (unknown to the core)
+ */
+struct sdio_func_tuple {
+	struct sdio_func_tuple *next;
+	unsigned char code;
+	unsigned char size;
+	unsigned char data[0];
+};
+
+/*
+ * SDIO function devices
+ */
+struct sdio_func {
+	struct mmc_card		*card;		/* the card this device belongs to */
+	struct device		dev;		/* the device */
+	sdio_irq_handler_t	*irq_handler;	/* IRQ callback */
+	unsigned int		num;		/* function number */
+
+	unsigned char		class;		/* standard interface class */
+	unsigned short		vendor;		/* vendor id */
+	unsigned short		device;		/* device id */
+
+	unsigned		max_blksize;	/* maximum block size */
+	unsigned		cur_blksize;	/* current block size */
+
+	unsigned		enable_timeout;	/* max enable timeout in msec */
+
+	unsigned int		state;		/* function state */
+#define SDIO_STATE_PRESENT	(1<<0)		/* present in sysfs */
+
+	u8			tmpbuf[4];	/* DMA:able scratch buffer */
+
+	unsigned		num_info;	/* number of info strings */
+	const char		**info;		/* info strings */
+
+	struct sdio_func_tuple *tuples;
+};
+
+#define sdio_func_present(f)	((f)->state & SDIO_STATE_PRESENT)
+
+#define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT)
+
+#define sdio_func_id(f)		(dev_name(&(f)->dev))
+
+#define sdio_get_drvdata(f)	dev_get_drvdata(&(f)->dev)
+#define sdio_set_drvdata(f,d)	dev_set_drvdata(&(f)->dev, d)
+
+/*
+ * SDIO function device driver
+ */
+struct sdio_driver {
+	char *name;
+	const struct sdio_device_id *id_table;
+
+	int (*probe)(struct sdio_func *, const struct sdio_device_id *);
+	void (*remove)(struct sdio_func *);
+
+	struct device_driver drv;
+};
+
+/**
+ * SDIO_DEVICE - macro used to describe a specific SDIO device
+ * @vend: the 16 bit manufacturer code
+ * @dev: the 16 bit function id
+ *
+ * This macro is used to create a struct sdio_device_id that matches a
+ * specific device. The class field will be set to SDIO_ANY_ID.
+ */
+#define SDIO_DEVICE(vend,dev) \
+	.class = SDIO_ANY_ID, \
+	.vendor = (vend), .device = (dev)
+
+/**
+ * SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class
+ * @dev_class: the 8 bit standard interface code
+ *
+ * This macro is used to create a struct sdio_device_id that matches a
+ * specific standard SDIO function type.  The vendor and device fields will
+ * be set to SDIO_ANY_ID.
+ */
+#define SDIO_DEVICE_CLASS(dev_class) \
+	.class = (dev_class), \
+	.vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID
+
+extern int sdio_register_driver(struct sdio_driver *);
+extern void sdio_unregister_driver(struct sdio_driver *);
+
+/*
+ * SDIO I/O operations
+ */
+extern void sdio_claim_host(struct sdio_func *func);
+extern void sdio_release_host(struct sdio_func *func);
+
+extern int sdio_enable_func(struct sdio_func *func);
+extern int sdio_disable_func(struct sdio_func *func);
+
+extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz);
+
+extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler);
+extern int sdio_release_irq(struct sdio_func *func);
+
+extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz);
+
+extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret);
+
+extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst,
+	unsigned int addr, int count);
+extern int sdio_readsb(struct sdio_func *func, void *dst,
+	unsigned int addr, int count);
+
+extern void sdio_writeb(struct sdio_func *func, u8 b,
+	unsigned int addr, int *err_ret);
+extern void sdio_writew(struct sdio_func *func, u16 b,
+	unsigned int addr, int *err_ret);
+extern void sdio_writel(struct sdio_func *func, u32 b,
+	unsigned int addr, int *err_ret);
+
+extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,
+	void *src, int count);
+extern int sdio_writesb(struct sdio_func *func, unsigned int addr,
+	void *src, int count);
+
+extern unsigned char sdio_f0_readb(struct sdio_func *func,
+	unsigned int addr, int *err_ret);
+extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
+	unsigned int addr, int *err_ret);
+
+#endif
+