tw2834.h

TW2834 的Linux驱动程序

/*
 * tw2834.h      The constant parameters for TW2834 version 0.0.1
 *
 * Copyright (c)  2006 Guangzhou Jinpeng Group Co., Ltd. 
 * All rights reserved.
 * David Huang<[e-mail]>

 * This source code and any compilation or derivative thereof is the proprietary
 * information of Guangzhou Jinpeng Group and is confidential in nature. Under no
 * circumstances is this software to be exposed to or placed under an Open Source
 * License of any type without the express written permission of Guangzhou 
 * Jinpeng Group.
 * 
*/

/*
Rev Date        Author      Comments
--------------------------------------------------------------------------------
 1  200601023  huangym   Original
--------------------------------------------------------------------------------
*/
#ifndef TW2834_H
 #define TW2834_H
 #include <linux/ioctl.h> 

/* video standard */
 #define PAL_STD                     	 0
 #define NTSC_STD                   	 1
/* ioctl params */
 #define SET_STANDARD            	 2
 #define SET_BRIGHTNESS 	       	 3
 #define SET_CONTRAST            	 4
 #define SET_HUE                      	 5
 #define SET_SATURATION        		 6
 #define SET_REGISTER             	 7
 #define SET_FULLSCREEN         	 8
 #define SET_PREVIEW              	 9
 #define SET_CLOSE_PREVIEW  		10
 #define SET_DEFAULT              	11 
 #define SET_SPLIT                    	12
 #define GET_VIDEO_SIGNAL     		13
 #define GET_STANDARD            	14
 #define SET_ALL_CHANNEL_DISABLE  	15
 #define GET_CHIP_NUMBER      		16
 #define SET_REG			17
#define GET_REG 		20

 #define TW2834_MAJOR                	 0  //if 0 alloc_chrdev; or register_chrdev
 #define TW2834_NR_DEVS            	 4   
 #define TW2834_DATA_SIZE        	 16


struct tw2834_dev {
   char data[TW2834_DATA_SIZE]; 
   unsigned long size;        
   struct semaphore sem;       
   struct cdev cdev; 
   unsigned char  addr;
  }; 

#endif