27 lines
852 B
C
27 lines
852 B
C
#ifndef __MINIX_I2C_H
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#define __MINIX_I2C_H
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/*
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* Minix I2C /dev Interface.
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*
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* Same as NetBSD/OpenBSD interface but with a flat struct (i.e. no pointers).
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* The NetBSD/OpenBSD interface can still be used on i2c device files. The
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* ioctl(2) function will translate to/from the Minix version of the struct.
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*/
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#include <minix/ioctl.h>
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#include <dev/i2c/i2c_io.h>
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typedef struct minix_i2c_ioctl_exec {
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i2c_op_t iie_op; /* operation to perform */
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i2c_addr_t iie_addr; /* address of device */
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uint8_t iie_cmd[I2C_EXEC_MAX_CMDLEN]; /* pointer to command */
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size_t iie_cmdlen; /* length of command */
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uint8_t iie_buf[I2C_EXEC_MAX_BUFLEN]; /* pointer to data buffer */
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size_t iie_buflen; /* length of data buffer */
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} minix_i2c_ioctl_exec_t;
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#define MINIX_I2C_IOCTL_EXEC _IORW('I', 1, minix_i2c_ioctl_exec_t)
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#endif /* __MINIX_I2C_H */
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