2 * include/linux/mmc/sdio_func.h
4 * Copyright 2007 Pierre Ossman
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
12 #ifndef MMC_SDIO_FUNC_H
13 #define MMC_SDIO_FUNC_H
15 #include <linux/device.h>
16 #include <linux/mod_devicetable.h>
21 * SDIO function CIS tuple (unknown to the core)
23 struct sdio_func_tuple {
24 struct sdio_func_tuple *next;
27 unsigned char data[0];
31 * SDIO function devices
34 struct mmc_card *card; /* the card this device belongs to */
35 struct device dev; /* the device */
36 unsigned int num; /* function number */
38 unsigned char class; /* standard interface class */
39 unsigned short vendor; /* vendor id */
40 unsigned short device; /* device id */
42 unsigned short blksize; /* maximum block size */
44 unsigned int state; /* function state */
45 #define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */
47 struct sdio_func_tuple *tuples;
50 #define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT)
52 #define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT)
54 #define sdio_func_id(f) ((f)->dev.bus_id)
56 #define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev)
57 #define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d)
60 * SDIO function device driver
64 const struct sdio_device_id *id_table;
66 int (*probe)(struct sdio_func *, const struct sdio_device_id *);
67 void (*remove)(struct sdio_func *);
69 struct device_driver drv;
73 * SDIO_DEVICE - macro used to describe a specific SDIO device
74 * @vend: the 16 bit manufacturer code
75 * @dev: the 16 bit function id
77 * This macro is used to create a struct sdio_device_id that matches a
78 * specific device. The class field will be set to SDIO_ANY_ID.
80 #define SDIO_DEVICE(vend,dev) \
81 .class = SDIO_ANY_ID, \
82 .vendor = (vend), .device = (dev)
85 * SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class
86 * @dev_class: the 8 bit standard interface code
88 * This macro is used to create a struct sdio_device_id that matches a
89 * specific standard SDIO function type. The vendor and device fields will
90 * be set to SDIO_ANY_ID.
92 #define SDIO_DEVICE_CLASS(dev_class) \
93 .class = (dev_class), \
94 .vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID
96 extern int sdio_register_driver(struct sdio_driver *);
97 extern void sdio_unregister_driver(struct sdio_driver *);
100 * SDIO I/O operations
102 extern void sdio_claim_host(struct sdio_func *func);
103 extern void sdio_release_host(struct sdio_func *func);
105 extern int sdio_enable_func(struct sdio_func *func);
106 extern int sdio_disable_func(struct sdio_func *func);
108 extern unsigned char sdio_readb(struct sdio_func *func,
109 unsigned int addr, int *err_ret);
111 extern void sdio_writeb(struct sdio_func *func, unsigned char b,
112 unsigned int addr, int *err_ret);