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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> |
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); |
39 | extern void mmc_spi_put_pdata(struct spi_device *spi); | |
9c43df57 | 40 | |
15a0580c | 41 | #endif /* __LINUX_SPI_MMC_SPI_H */ |