| /* |
| * include/linux/mmc/sdio_func.h |
| * |
| * Copyright 2007 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 short blksize; /* maximum block size */ |
| |
| unsigned int state; /* function state */ |
| #define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */ |
| |
| 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) ((f)->dev.bus_id) |
| |
| #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_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler); |
| extern int sdio_release_irq(struct sdio_func *func); |
| |
| extern unsigned char sdio_readb(struct sdio_func *func, |
| unsigned int addr, int *err_ret); |
| |
| extern void sdio_writeb(struct sdio_func *func, unsigned char b, |
| unsigned int addr, int *err_ret); |
| |
| #endif |
| |