| /* |
| * This file is auto-generated. Modifications will be lost. |
| * |
| * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ |
| * for more information. |
| */ |
| #ifndef SPIDEV_H |
| #define SPIDEV_H |
| #include <linux/types.h> |
| #include <linux/ioctl.h> |
| #include <linux/spi/spi.h> |
| #define SPI_IOC_MAGIC 'k' |
| struct spi_ioc_transfer { |
| __u64 tx_buf; |
| __u64 rx_buf; |
| __u32 len; |
| __u32 speed_hz; |
| __u16 delay_usecs; |
| __u8 bits_per_word; |
| __u8 cs_change; |
| __u8 tx_nbits; |
| __u8 rx_nbits; |
| __u8 word_delay_usecs; |
| __u8 pad; |
| }; |
| #define SPI_MSGSIZE(N) ((((N) * (sizeof(struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) ? ((N) * (sizeof(struct spi_ioc_transfer))) : 0) |
| #define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)]) |
| #define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8) |
| #define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8) |
| #define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8) |
| #define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8) |
| #define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8) |
| #define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8) |
| #define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32) |
| #define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32) |
| #define SPI_IOC_RD_MODE32 _IOR(SPI_IOC_MAGIC, 5, __u32) |
| #define SPI_IOC_WR_MODE32 _IOW(SPI_IOC_MAGIC, 5, __u32) |
| #endif |
