#ifndef UAPI_MMC_CORE_H
#define UAPI_MMC_CORE_H

#define MMC_RSP_PRESENT	(1 << 0)
#define MMC_RSP_136	(1 << 1)		/* 136 bit response */
#define MMC_RSP_CRC	(1 << 2)		/* expect valid crc */
#define MMC_RSP_BUSY	(1 << 3)		/* card may send busy */
#define MMC_RSP_OPCODE	(1 << 4)		/* response contains opcode */

#define MMC_CMD_MASK	(3 << 5)		/* non-SPI command type */
#define MMC_CMD_AC	(0 << 5)
#define MMC_CMD_ADTC	(1 << 5)
#define MMC_CMD_BC	(2 << 5)
#define MMC_CMD_BCR	(3 << 5)

#define MMC_RSP_SPI_S1	(1 << 7)		/* one status byte */
#define MMC_RSP_SPI_S2	(1 << 8)		/* second byte */
#define MMC_RSP_SPI_B4	(1 << 9)		/* four data bytes */
#define MMC_RSP_SPI_BUSY (1 << 10)		/* card may send busy */

/*
 * These are the native response types, and correspond to valid bit
 * patterns of the above flags.  One additional valid pattern
 * is all zeros, which means we don't expect a response.
 */
#define MMC_RSP_NONE	(0)
#define MMC_RSP_R1	(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R1B	(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
#define MMC_RSP_R2	(MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
#define MMC_RSP_R3	(MMC_RSP_PRESENT)
#define MMC_RSP_R4	(MMC_RSP_PRESENT)
#define MMC_RSP_R5	(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R6	(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R7	(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)

#endif /* UAPI_MMC_CORE_H */