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Sascha Hauerd96be872009-01-06 17:04:14 +01001#ifndef ASMARM_ARCH_MMC_H
2#define ASMARM_ARCH_MMC_H
3
4#include <linux/mmc/host.h>
5
6struct device;
7
8/* board specific SDHC data, optional.
9 * If not present, a writable card with 3,3V is assumed.
10 */
11struct 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);
Eric BĂ©nard16b3bf82010-05-19 18:46:04 +020034
35 /* enable card detect using DAT3 */
36 int dat3_card_detect;
Sascha Hauerd96be872009-01-06 17:04:14 +010037};
38
39#endif