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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
d96be879 SH |
2 | #ifndef ASMARM_ARCH_MMC_H |
3 | #define ASMARM_ARCH_MMC_H | |
4 | ||
8336bf68 | 5 | #include <linux/interrupt.h> |
d96be879 SH |
6 | #include <linux/mmc/host.h> |
7 | ||
8 | struct device; | |
9 | ||
10 | /* board specific SDHC data, optional. | |
11 | * If not present, a writable card with 3,3V is assumed. | |
12 | */ | |
13 | struct imxmmc_platform_data { | |
14 | /* Return values for the get_ro callback should be: | |
15 | * 0 for a read/write card | |
16 | * 1 for a read-only card | |
17 | * -ENOSYS when not supported (equal to NULL callback) | |
18 | * or a negative errno value when something bad happened | |
19 | */ | |
20 | int (*get_ro)(struct device *); | |
21 | ||
22 | /* board specific hook to (de)initialize the SD slot. | |
23 | * The board code can call 'handler' on a card detection | |
24 | * change giving data as argument. | |
25 | */ | |
26 | int (*init)(struct device *dev, irq_handler_t handler, void *data); | |
27 | void (*exit)(struct device *dev, void *data); | |
28 | ||
29 | /* available voltages. If not given, assume | |
30 | * MMC_VDD_32_33 | MMC_VDD_33_34 | |
31 | */ | |
32 | unsigned int ocr_avail; | |
33 | ||
34 | /* adjust slot voltage */ | |
35 | void (*setpower)(struct device *, unsigned int vdd); | |
16b3bf8c EB |
36 | |
37 | /* enable card detect using DAT3 */ | |
38 | int dat3_card_detect; | |
d96be879 SH |
39 | }; |
40 | ||
41 | #endif |