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d96be879 SH |
1 | #ifndef ASMARM_ARCH_MMC_H |
2 | #define ASMARM_ARCH_MMC_H | |
3 | ||
4 | #include <linux/mmc/host.h> | |
5 | ||
6 | struct device; | |
7 | ||
8 | /* board specific SDHC data, optional. | |
9 | * If not present, a writable card with 3,3V is assumed. | |
10 | */ | |
11 | struct imxmmc_platform_data { | |
12 | /* Return values for the get_ro callback should be: | |
13 | * 0 for a read/write card | |
14 | * 1 for a read-only card | |
15 | * -ENOSYS when not supported (equal to NULL callback) | |
16 | * or a negative errno value when something bad happened | |
17 | */ | |
18 | int (*get_ro)(struct device *); | |
19 | ||
20 | /* board specific hook to (de)initialize the SD slot. | |
21 | * The board code can call 'handler' on a card detection | |
22 | * change giving data as argument. | |
23 | */ | |
24 | int (*init)(struct device *dev, irq_handler_t handler, void *data); | |
25 | void (*exit)(struct device *dev, void *data); | |
26 | ||
27 | /* available voltages. If not given, assume | |
28 | * MMC_VDD_32_33 | MMC_VDD_33_34 | |
29 | */ | |
30 | unsigned int ocr_avail; | |
31 | ||
32 | /* adjust slot voltage */ | |
33 | void (*setpower)(struct device *, unsigned int vdd); | |
34 | }; | |
35 | ||
36 | #endif |