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- /*
- * 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
-
-