#ifndef __LINUX_SPI_MMC_SPI_H #define __LINUX_SPI_MMC_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 *); /* sense switch on sd cards */ int (*get_ro)(struct device *); /* * If board does not use CD interrupts, driver can optimize polling * using this function. */ int (*get_cd)(struct device *); /* Capabilities to pass into mmc core (e.g. MMC_CAP_NEEDS_POLL). */ unsigned long caps; /* 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); }; #endif /* __LINUX_SPI_MMC_SPI_H */