| #ifndef ASMARM_ARCH_MMC_H |
| #define ASMARM_ARCH_MMC_H |
| |
| #include <linux/mmc/host.h> |
| |
| struct device; |
| |
| /* board specific SDHC data, optional. |
| * If not present, a writable card with 3,3V is assumed. |
| */ |
| struct imxmmc_platform_data { |
| /* Return values for the get_ro callback should be: |
| * 0 for a read/write card |
| * 1 for a read-only card |
| * -ENOSYS when not supported (equal to NULL callback) |
| * or a negative errno value when something bad happened |
| */ |
| int (*get_ro)(struct device *); |
| |
| /* board specific hook to (de)initialize the SD slot. |
| * The board code can call 'handler' on a card detection |
| * change giving data as argument. |
| */ |
| int (*init)(struct device *dev, irq_handler_t handler, void *data); |
| void (*exit)(struct device *dev, void *data); |
| |
| /* available voltages. If not given, assume |
| * MMC_VDD_32_33 | MMC_VDD_33_34 |
| */ |
| unsigned int ocr_avail; |
| |
| /* adjust slot voltage */ |
| void (*setpower)(struct device *, unsigned int vdd); |
| |
| /* enable card detect using DAT3 */ |
| int dat3_card_detect; |
| }; |
| |
| #endif |
