1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __LINUX_SPI_MMC_SPI_H |
3 | #define __LINUX_SPI_MMC_SPI_H |
4 | |
5 | #include <linux/spi/spi.h> |
6 | #include <linux/interrupt.h> |
7 | |
8 | struct device; |
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 *); |
24 | |
25 | /* Capabilities to pass into mmc core (e.g. MMC_CAP_NEEDS_POLL). */ |
26 | unsigned long caps; |
27 | unsigned long caps2; |
28 | |
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 | |
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); |
40 | |
41 | #endif /* __LINUX_SPI_MMC_SPI_H */ |
42 | |