[linux-2.6-block.git] / include / linux / spi / mmc_spi.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_SPI_MMC_SPI_H
#define __LINUX_SPI_MMC_SPI_H

#include <linux/spi/spi.h>
#include <linux/interrupt.h>

struct device;
struct mmc_host;

/* Put this in platform_data of a device being used to manage an MMC/SD
 * card slot.  (Modeled after PXA mmc glue; see that for usage examples.)
 *
 * REVISIT This is not a spi-specific notion.  Any card slot should be
 * able to handle it.  If the MMC core doesn't adopt this kind of notion,
 * switch the "struct device *" parameters over to "struct spi_device *".
 */
struct mmc_spi_platform_data {
	/* driver activation and (optional) card detect irq hookup */
	int (*init)(struct device *,
		irqreturn_t (*)(int, void *),
		void *);
	void (*exit)(struct device *, void *);

	/* Capabilities to pass into mmc core (e.g. MMC_CAP_NEEDS_POLL). */
	unsigned long caps;
	unsigned long caps2;

	/* how long to debounce card detect, in msecs */
	u16 detect_delay;

	/* power management */
	u16 powerup_msecs;		/* delay of up to 250 msec */
	u32 ocr_mask;			/* available voltages */
	void (*setpower)(struct device *, unsigned int maskval);
};

extern struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi);
extern void mmc_spi_put_pdata(struct spi_device *spi);

#endif /* __LINUX_SPI_MMC_SPI_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
15a0580c DB	2	#ifndef __LINUX_SPI_MMC_SPI_H
	3	#define __LINUX_SPI_MMC_SPI_H
	4
9c43df57	5	#include <linux/spi/spi.h>
63e14626 AV	6	#include <linux/interrupt.h>
63e14626 AV	7
313162d0	8	struct device;
15a0580c DB	9	struct mmc_host;
	10
	11	/* Put this in platform_data of a device being used to manage an MMC/SD
	12	* card slot. (Modeled after PXA mmc glue; see that for usage examples.)
	13	*
	14	* REVISIT This is not a spi-specific notion. Any card slot should be
	15	* able to handle it. If the MMC core doesn't adopt this kind of notion,
	16	* switch the "struct device " parameters over to "struct spi_device ".
	17	*/
	18	struct mmc_spi_platform_data {
	19	/* driver activation and (optional) card detect irq hookup */
	20	int (init)(struct device ,
	21	irqreturn_t ()(int, void ),
	22	void *);
	23	void (exit)(struct device , void *);
619ef4b4 AV	24
	25	/* Capabilities to pass into mmc core (e.g. MMC_CAP_NEEDS_POLL). */
	26	unsigned long caps;
bf287a90	27	unsigned long caps2;
619ef4b4	28
15a0580c DB	29	/* how long to debounce card detect, in msecs */
	30	u16 detect_delay;
	31
	32	/* power management */
	33	u16 powerup_msecs; /* delay of up to 250 msec */
	34	u32 ocr_mask; /* available voltages */
	35	void (setpower)(struct device , unsigned int maskval);
	36	};
	37
9c43df57 AV	38	extern struct mmc_spi_platform_data mmc_spi_get_pdata(struct spi_device spi);
9c43df57 AV	39	extern void mmc_spi_put_pdata(struct spi_device *spi);
9c43df57	40
15a0580c	41	#endif /* __LINUX_SPI_MMC_SPI_H */