spidev.h revision ba8d4f460b51161eb82cf1006cb34a3cc1389f47
1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19#ifndef SPIDEV_H 20#define SPIDEV_H 21#include <linux/types.h> 22#define SPI_CPHA 0x01 23/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24#define SPI_CPOL 0x02 25#define SPI_MODE_0 (0|0) 26#define SPI_MODE_1 (0|SPI_CPHA) 27#define SPI_MODE_2 (SPI_CPOL|0) 28/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) 30#define SPI_CS_HIGH 0x04 31#define SPI_LSB_FIRST 0x08 32#define SPI_3WIRE 0x10 33/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34#define SPI_LOOP 0x20 35#define SPI_NO_CS 0x40 36#define SPI_READY 0x80 37#define SPI_TX_DUAL 0x100 38/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39#define SPI_TX_QUAD 0x200 40#define SPI_RX_DUAL 0x400 41#define SPI_RX_QUAD 0x800 42#define SPI_IOC_MAGIC 'k' 43/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44struct spi_ioc_transfer { 45 __u64 tx_buf; 46 __u64 rx_buf; 47 __u32 len; 48/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 __u32 speed_hz; 50 __u16 delay_usecs; 51 __u8 bits_per_word; 52 __u8 cs_change; 53/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 __u8 tx_nbits; 55 __u8 rx_nbits; 56 __u16 pad; 57}; 58/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59#define SPI_MSGSIZE(N) ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) ? ((N)*(sizeof (struct spi_ioc_transfer))) : 0) 60#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)]) 61#define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8) 62#define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8) 63/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64#define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8) 65#define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8) 66#define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8) 67#define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8) 68/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69#define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32) 70#define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32) 71#define SPI_IOC_RD_MODE32 _IOR(SPI_IOC_MAGIC, 5, __u32) 72#define SPI_IOC_WR_MODE32 _IOW(SPI_IOC_MAGIC, 5, __u32) 73/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74#endif 75