| Elliott Hughes | 180edef | 2023-11-02 00:08:05 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is auto-generated. Modifications will be lost. |
| 3 | * |
| 4 | * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ |
| 5 | * for more information. |
| 6 | */ |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 7 | #ifndef SPIDEV_H |
| 8 | #define SPIDEV_H |
| 9 | #include <linux/types.h> |
| Christopher Ferris | 1308ad3 | 2017-11-14 17:32:13 -0800 | [diff] [blame] | 10 | #include <linux/ioctl.h> |
| Christopher Ferris | a9750ed | 2021-05-03 14:02:49 -0700 | [diff] [blame] | 11 | #include <linux/spi/spi.h> |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 12 | #define SPI_IOC_MAGIC 'k' |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 13 | struct spi_ioc_transfer { |
| Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 14 | __u64 tx_buf; |
| 15 | __u64 rx_buf; |
| 16 | __u32 len; |
| Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 17 | __u32 speed_hz; |
| 18 | __u16 delay_usecs; |
| 19 | __u8 bits_per_word; |
| 20 | __u8 cs_change; |
| Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 21 | __u8 tx_nbits; |
| 22 | __u8 rx_nbits; |
| Christopher Ferris | aeddbcf | 2019-07-08 12:45:46 -0700 | [diff] [blame] | 23 | __u8 word_delay_usecs; |
| 24 | __u8 pad; |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 25 | }; |
| Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 26 | #define SPI_MSGSIZE(N) ((((N) * (sizeof(struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) ? ((N) * (sizeof(struct spi_ioc_transfer))) : 0) |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 27 | #define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)]) |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 28 | #define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8) |
| 29 | #define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8) |
| 30 | #define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8) |
| 31 | #define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8) |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 32 | #define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8) |
| 33 | #define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8) |
| 34 | #define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32) |
| 35 | #define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32) |
| Christopher Ferris | ba8d4f4 | 2014-09-03 19:56:49 -0700 | [diff] [blame] | 36 | #define SPI_IOC_RD_MODE32 _IOR(SPI_IOC_MAGIC, 5, __u32) |
| 37 | #define SPI_IOC_WR_MODE32 _IOW(SPI_IOC_MAGIC, 5, __u32) |
| Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 38 | #endif |