include/minix/i2c.h

   1 #ifndef __MINIX_I2C_H
   2 #define __MINIX_I2C_H
   3
   4 /*
   5  * Minix I2C /dev Interface.
   6  *
   7  * Same as NetBSD/OpenBSD interface but with a flat struct (i.e. no pointers).
   8  * The NetBSD/OpenBSD interface can still be used on i2c device files. The
   9  * ioctl(2) function will translate to/from the Minix version of the struct.
  10  */
  11
  12 #include <sys/types.h>
  13 #include <dev/i2c/i2c_io.h>
  14 #include <minix/ioctl.h>
  15
  16 typedef struct minix_i2c_ioctl_exec {
  17         i2c_op_t iie_op;                /* operation to perform */
  18         i2c_addr_t iie_addr;            /* address of device */
  19         uint8_t iie_cmd[I2C_EXEC_MAX_CMDLEN];   /* pointer to command */
  20         size_t iie_cmdlen;              /* length of command */
  21         uint8_t iie_buf[I2C_EXEC_MAX_BUFLEN];   /* pointer to data buffer */
  22         size_t iie_buflen;              /* length of data buffer */
  23 } minix_i2c_ioctl_exec_t;
  24
  25 #define MINIX_I2C_IOCTL_EXEC             _IOWR('I', 1, minix_i2c_ioctl_exec_t)
  26
  27 #endif /* __MINIX_I2C_H */