zc030x.h

来自「linux下的zc030x USB摄像头驱动」· C头文件 代码 · 共 53 行

/* This declare the commonspace structures */
/* Zc030x -       Driver file     - Zc030x */
/* This file is under GPL                  */
/* Copyright:
            Martin  Braun
            Cyril   Russo               
-------------------------------------------*/


#ifndef h_Zc030x_h
#define h_Zc030x_h


/* Include IOCTL declaration */
#include <linux/ioctl.h>

/* IOCtl to try to get the sensor type */
#define ZCIDSENSOR  _IOWR('v', 0xFD8, struct sensor_list)
#define ZCI2CREGISTERMAP  _IOWR('v', 0xFD9, struct register_map)

/* Declare the userspace/kernelspace structure */
struct sensor_list 
{
  int  id;               /* ID of the sensor (supposed unique) */
  char name[24];         /* Name of the sensor */
  int  minwidth;         /* Minimum width of the picture */
  int  minheight;        /* Minimum height of the picture */
  int  maxwidth;         /* Maximum width of the picture */
  int  maxheight;        /* Maximum height of the picture */
    
  /* This is a signature of the sensor, made from
    I2C read-only registers - 
    This is not accessible from user space */
  const struct signature * i2c_sig;
};

/* Define the register type */
#define RM_Unused       0
#define RM_ReadOnly     1
#define RM_WriteOnly    2
#define RM_ReadWrite    3

/* Declare the register map structure */
struct register_map
{
    int addr;
    int value;
    int mode;
};


#endif