1af737f3d9
Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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* This header was manually generated from a Linux kernel header
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* linux/spi/spidev.h, to make information necessary for compilation
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* to be available under MSYS. It contains only constants,
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* structures, and macros generated from the original header, and thus,
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* contains no copyrightable information.
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*/
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#ifndef _SPI_KERNEL_HEADERS_H
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#define _SPI_KERNEL_HEADERS_H
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#include <linux/types.h>
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#define SPI_CPHA 0x01
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#define SPI_CPOL 0x02
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#define SPI_MODE_0 (0|0)
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#define SPI_MODE_1 (0|SPI_CPHA)
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#define SPI_MODE_2 (SPI_CPOL|0)
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#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA)
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#define SPI_IOC_MAGIC 'k'
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struct spi_ioc_transfer {
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__u64 tx_buf;
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__u64 rx_buf;
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__u32 len;
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__u32 speed_hz;
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__u16 delay_usecs;
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__u8 bits_per_word;
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__u8 cs_change;
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__u8 tx_nbits;
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__u8 rx_nbits;
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__u16 pad;
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};
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#define SPI_MSGSIZE(N) \
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((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \
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? ((N)*(sizeof (struct spi_ioc_transfer))) : 0)
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#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)])
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#define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8)
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#define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8)
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#define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8)
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#define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8)
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#define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8)
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#define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8)
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#define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32)
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#define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32)
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#define SPI_IOC_RD_MODE32 _IOR(SPI_IOC_MAGIC, 5, __u32)
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#define SPI_IOC_WR_MODE32 _IOW(SPI_IOC_MAGIC, 5, __u32)
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#endif
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