1 #ifndef __LINUX_SPI_MMC_SPI_H
2 #define __LINUX_SPI_MMC_SPI_H
4 #include <linux/interrupt.h>
9 /* Put this in platform_data of a device being used to manage an MMC/SD
10 * card slot. (Modeled after PXA mmc glue; see that for usage examples.)
12 * REVISIT This is not a spi-specific notion. Any card slot should be
13 * able to handle it. If the MMC core doesn't adopt this kind of notion,
14 * switch the "struct device *" parameters over to "struct spi_device *".
16 struct mmc_spi_platform_data {
17 /* driver activation and (optional) card detect irq hookup */
18 int (*init)(struct device *,
19 irqreturn_t (*)(int, void *),
21 void (*exit)(struct device *, void *);
23 /* sense switch on sd cards */
24 int (*get_ro)(struct device *);
27 * If board does not use CD interrupts, driver can optimize polling
28 * using this function.
30 int (*get_cd)(struct device *);
32 /* Capabilities to pass into mmc core (e.g. MMC_CAP_NEEDS_POLL). */
35 /* how long to debounce card detect, in msecs */
38 /* power management */
39 u16 powerup_msecs; /* delay of up to 250 msec */
40 u32 ocr_mask; /* available voltages */
41 void (*setpower)(struct device *, unsigned int maskval);
44 #endif /* __LINUX_SPI_MMC_SPI_H */