[mirror_ubuntu-focal-kernel.git] / arch / arm / plat-mxc / include / mach / mmc.h

#ifndef ASMARM_ARCH_MMC_H
#define ASMARM_ARCH_MMC_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);
};

#endif
Commit	Line	Data
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