[mirror_ubuntu-artful-kernel.git] / include / linux / platform_data / mmc-mxcmmc.h

#ifndef ASMARM_ARCH_MMC_H
#define ASMARM_ARCH_MMC_H

#include <linux/interrupt.h>
#include <linux/mmc/host.h>

struct device;

/* board specific SDHC data, optional.
 * If not present, a writable card with 3,3V is assumed.
 */
struct imxmmc_platform_data {
	/* Return values for the get_ro callback should be:
	 *   0 for a read/write card
	 *   1 for a read-only card
	 *   -ENOSYS when not supported (equal to NULL callback)
	 *   or a negative errno value when something bad happened
	 */
	int (*get_ro)(struct device *);

	/* board specific hook to (de)initialize the SD slot.
	 * The board code can call 'handler' on a card detection
	 * change giving data as argument.
	 */
	int (*init)(struct device *dev, irq_handler_t handler, void *data);
	void (*exit)(struct device *dev, void *data);

	/* available voltages. If not given, assume
	 * MMC_VDD_32_33 | MMC_VDD_33_34
	 */
	unsigned int ocr_avail;

	/* adjust slot voltage */
	void (*setpower)(struct device *, unsigned int vdd);

	/* enable card detect using DAT3 */
	int dat3_card_detect;
};

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