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e29a7d73 PO |
1 | /* |
2 | * include/linux/mmc/sdio_func.h | |
3 | * | |
ad3868b2 | 4 | * Copyright 2007-2008 Pierre Ossman |
e29a7d73 PO |
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 | ||
3b38bea0 PO |
15 | #include <linux/device.h> |
16 | #include <linux/mod_devicetable.h> | |
17 | ||
e29a7d73 | 18 | struct mmc_card; |
d1496c39 NP |
19 | struct sdio_func; |
20 | ||
21 | typedef void (sdio_irq_handler_t)(struct sdio_func *); | |
e29a7d73 | 22 | |
b1538bcf NP |
23 | /* |
24 | * SDIO function CIS tuple (unknown to the core) | |
25 | */ | |
26 | struct sdio_func_tuple { | |
27 | struct sdio_func_tuple *next; | |
28 | unsigned char code; | |
29 | unsigned char size; | |
30 | unsigned char data[0]; | |
31 | }; | |
32 | ||
e29a7d73 PO |
33 | /* |
34 | * SDIO function devices | |
35 | */ | |
36 | struct sdio_func { | |
37 | struct mmc_card *card; /* the card this device belongs to */ | |
38 | struct device dev; /* the device */ | |
d1496c39 | 39 | sdio_irq_handler_t *irq_handler; /* IRQ callback */ |
e29a7d73 | 40 | unsigned int num; /* function number */ |
0597007f PO |
41 | |
42 | unsigned char class; /* standard interface class */ | |
43 | unsigned short vendor; /* vendor id */ | |
44 | unsigned short device; /* device id */ | |
45 | ||
9a08f82b DV |
46 | unsigned max_blksize; /* maximum block size */ |
47 | unsigned cur_blksize; /* current block size */ | |
1a632f8c | 48 | |
62a7573e BZ |
49 | unsigned enable_timeout; /* max enable timeout in msec */ |
50 | ||
e29a7d73 PO |
51 | unsigned int state; /* function state */ |
52 | #define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */ | |
b1538bcf | 53 | |
112c9db9 PO |
54 | u8 tmpbuf[4]; /* DMA:able scratch buffer */ |
55 | ||
759bdc7a PO |
56 | unsigned num_info; /* number of info strings */ |
57 | const char **info; /* info strings */ | |
58 | ||
b1538bcf | 59 | struct sdio_func_tuple *tuples; |
e29a7d73 PO |
60 | }; |
61 | ||
62 | #define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT) | |
63 | ||
64 | #define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT) | |
65 | ||
d1b26863 | 66 | #define sdio_func_id(f) (dev_name(&(f)->dev)) |
e29a7d73 | 67 | |
f76c8515 PO |
68 | #define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev) |
69 | #define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d) | |
70 | ||
71 | /* | |
72 | * SDIO function device driver | |
73 | */ | |
74 | struct sdio_driver { | |
75 | char *name; | |
3b38bea0 | 76 | const struct sdio_device_id *id_table; |
f76c8515 | 77 | |
3b38bea0 | 78 | int (*probe)(struct sdio_func *, const struct sdio_device_id *); |
f76c8515 PO |
79 | void (*remove)(struct sdio_func *); |
80 | ||
81 | struct device_driver drv; | |
82 | }; | |
83 | ||
3b38bea0 PO |
84 | /** |
85 | * SDIO_DEVICE - macro used to describe a specific SDIO device | |
86 | * @vend: the 16 bit manufacturer code | |
87 | * @dev: the 16 bit function id | |
88 | * | |
89 | * This macro is used to create a struct sdio_device_id that matches a | |
90 | * specific device. The class field will be set to SDIO_ANY_ID. | |
91 | */ | |
92 | #define SDIO_DEVICE(vend,dev) \ | |
93 | .class = SDIO_ANY_ID, \ | |
94 | .vendor = (vend), .device = (dev) | |
95 | ||
96 | /** | |
97 | * SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class | |
98 | * @dev_class: the 8 bit standard interface code | |
99 | * | |
100 | * This macro is used to create a struct sdio_device_id that matches a | |
101 | * specific standard SDIO function type. The vendor and device fields will | |
102 | * be set to SDIO_ANY_ID. | |
103 | */ | |
104 | #define SDIO_DEVICE_CLASS(dev_class) \ | |
105 | .class = (dev_class), \ | |
106 | .vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID | |
107 | ||
f76c8515 PO |
108 | extern int sdio_register_driver(struct sdio_driver *); |
109 | extern void sdio_unregister_driver(struct sdio_driver *); | |
110 | ||
46f555f2 PO |
111 | /* |
112 | * SDIO I/O operations | |
113 | */ | |
114 | extern void sdio_claim_host(struct sdio_func *func); | |
115 | extern void sdio_release_host(struct sdio_func *func); | |
116 | ||
fa64efa1 PO |
117 | extern int sdio_enable_func(struct sdio_func *func); |
118 | extern int sdio_disable_func(struct sdio_func *func); | |
119 | ||
9a08f82b DV |
120 | extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz); |
121 | ||
d1496c39 NP |
122 | extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler); |
123 | extern int sdio_release_irq(struct sdio_func *func); | |
124 | ||
ad3868b2 PO |
125 | extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz); |
126 | ||
6d373331 TW |
127 | extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret); |
128 | extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret); | |
129 | extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret); | |
112c9db9 PO |
130 | |
131 | extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst, | |
132 | unsigned int addr, int count); | |
133 | extern int sdio_readsb(struct sdio_func *func, void *dst, | |
134 | unsigned int addr, int count); | |
46f555f2 | 135 | |
6d373331 | 136 | extern void sdio_writeb(struct sdio_func *func, u8 b, |
46f555f2 | 137 | unsigned int addr, int *err_ret); |
6d373331 | 138 | extern void sdio_writew(struct sdio_func *func, u16 b, |
112c9db9 | 139 | unsigned int addr, int *err_ret); |
6d373331 | 140 | extern void sdio_writel(struct sdio_func *func, u32 b, |
112c9db9 PO |
141 | unsigned int addr, int *err_ret); |
142 | ||
143 | extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr, | |
144 | void *src, int count); | |
145 | extern int sdio_writesb(struct sdio_func *func, unsigned int addr, | |
146 | void *src, int count); | |
46f555f2 | 147 | |
7806cdb4 DV |
148 | extern unsigned char sdio_f0_readb(struct sdio_func *func, |
149 | unsigned int addr, int *err_ret); | |
150 | extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b, | |
151 | unsigned int addr, int *err_ret); | |
152 | ||
e29a7d73 PO |
153 | #endif |
154 |