/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef SPIDEV_H #define SPIDEV_H #include #include #include #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