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e29a7d73 PO |
1 | /* |
2 | * include/linux/mmc/sdio_func.h | |
3 | * | |
4 | * Copyright 2007 Pierre Ossman | |
5 | * | |
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. | |
10 | */ | |
11 | ||
12 | #ifndef MMC_SDIO_FUNC_H | |
13 | #define MMC_SDIO_FUNC_H | |
14 | ||
15 | struct mmc_card; | |
16 | ||
17 | /* | |
18 | * SDIO function devices | |
19 | */ | |
20 | struct sdio_func { | |
21 | struct mmc_card *card; /* the card this device belongs to */ | |
22 | struct device dev; /* the device */ | |
23 | unsigned int num; /* function number */ | |
24 | unsigned int state; /* function state */ | |
25 | #define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */ | |
26 | }; | |
27 | ||
28 | #define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT) | |
29 | ||
30 | #define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT) | |
31 | ||
32 | #define sdio_func_id(f) ((f)->dev.bus_id) | |
33 | ||
f76c8515 PO |
34 | #define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev) |
35 | #define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d) | |
36 | ||
37 | /* | |
38 | * SDIO function device driver | |
39 | */ | |
40 | struct sdio_driver { | |
41 | char *name; | |
42 | ||
43 | int (*probe)(struct sdio_func *); | |
44 | void (*remove)(struct sdio_func *); | |
45 | ||
46 | struct device_driver drv; | |
47 | }; | |
48 | ||
49 | extern int sdio_register_driver(struct sdio_driver *); | |
50 | extern void sdio_unregister_driver(struct sdio_driver *); | |
51 | ||
46f555f2 PO |
52 | /* |
53 | * SDIO I/O operations | |
54 | */ | |
55 | extern void sdio_claim_host(struct sdio_func *func); | |
56 | extern void sdio_release_host(struct sdio_func *func); | |
57 | ||
fa64efa1 PO |
58 | extern int sdio_enable_func(struct sdio_func *func); |
59 | extern int sdio_disable_func(struct sdio_func *func); | |
60 | ||
46f555f2 PO |
61 | extern unsigned char sdio_readb(struct sdio_func *func, |
62 | unsigned int addr, int *err_ret); | |
63 | ||
64 | extern void sdio_writeb(struct sdio_func *func, unsigned char b, | |
65 | unsigned int addr, int *err_ret); | |
66 | ||
e29a7d73 PO |
67 | #endif |
68 |