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/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <linux/errno.h>
#include <linux/ioctl.h>
#define VID_UPSTREAM_SRAM_CHANNEL_I 9
#define VID_UPSTREAM_SRAM_CHANNEL_J 10
#define AUDIO_UPSTREAM_SRAM_CHANNEL_B 11
#define PIXEL_FRMT_422 4
#define PIXEL_FRMT_411 5
#define UPSTREAM_START_VIDEO 700
#define UPSTREAM_STOP_VIDEO 701
#define UPSTREAM_START_AUDIO 702
#define UPSTREAM_STOP_AUDIO 703
#define UPSTREAM_DUMP_REGISTERS 702
typedef struct {
char *input_filename;
char *vid_stdname;
int pixel_format;
int channel_select;
int command;
} upstream_user_struct;
void print_video_usage()
{
printf("\n************************************************************************ \n");
printf("Video Sample Usage: ./upstream_app d 1 v /root/filename.yuv NTSC 422 1 start \n");
printf("Argument 0: ./upstream_app \n");
printf("Argument 1: Device ID (1 and above)\n");
printf("Argument 2: v for video\n");
printf("Argument 3: input file name \n");
printf("Argument 4: Video Standard \n");
printf("Argument 5: Pixel Format (Y422 or Y411) \n");
printf("Argument 6: Upstream Channel Number\n");
printf("Argument 7: start/stop command\n\n");
}
void print_audio_usage()
{
printf("\n************************************************************************ \n");
printf("Audio Sample Usage: ./upstream_app d 1 a /root/audio.wav start\n");
printf("Argument 0: ./upstream_app \n");
printf("Argument 1: Device ID (1 and above)\n");
printf("Argument 2: a for audio \n");
printf("Argument 3: input file name \n");
printf("Argument 4: start/stop command\n\n");
}
int main(int argc, char** argv)
{
int fp;
unsigned int cmd= 0 ;
int i = 1;
int mode = 0;
int pixel_format = 422;
int channel_select = 1;
int device_id = 0, video_id = 11;
char * temp2;
char *video_device_str[4][2] = {{"/dev/video8", "/dev/video9"}, {"/dev/video20", "/dev/video21"},
{"/dev/video32", "/dev/video33"}, {"/dev/video44", "/dev/video45"} };
char *audio_device_str[4] = {"/dev/video10", "/dev/video22", "/dev/video34", "/dev/video46"};
char mode_temp = 'v';
if(argc < 2 || (tolower(*(argv[1])) != 'd') )
{
print_video_usage();
print_audio_usage();
return -EINVAL;
}
else
{
sscanf(argv[2], "%d", &device_id );
i += 2;
if( device_id <= 0 || device_id > 4 )
{
print_video_usage();
print_audio_usage();
return -EINVAL;
}
temp2 = argv[i];
mode_temp = tolower(temp2[0]);
switch(mode_temp)
{
case 'v':
if( argc < 9 )
{
print_video_usage();
return -EINVAL;
}
break;
case 'a':
if( argc < 6 )
{
print_audio_usage();
return -EINVAL;
}
break;
}
}
if( mode_temp == 'v' || mode_temp == 'a' )
{
FILE* file_ptr = fopen(argv[4], "r");
if( !file_ptr )
{
printf("\nERROR: %s file does NOT exist!!! \n\n", argv[4]);
return -EINVAL;
}
fclose(file_ptr);
}
else
{
print_video_usage();
print_audio_usage();
return -EINVAL;
}
printf("\n*************************************************************** \n");
switch(mode_temp)
{
case 'v':
{
char * temp = argv[5];
upstream_user_struct arguments;
arguments.input_filename = argv[4];
arguments.vid_stdname = (tolower(temp[0]) == 'p') ? "PAL" : "NTSC";
sscanf(argv[6], "%d", &pixel_format);
sscanf(argv[7], "%d", &channel_select);
arguments.pixel_format = (pixel_format == 422) ? PIXEL_FRMT_422 : PIXEL_FRMT_411;
arguments.channel_select = (channel_select==1) ? VID_UPSTREAM_SRAM_CHANNEL_I : VID_UPSTREAM_SRAM_CHANNEL_J;
temp = argv[8];
arguments.command = (strcasecmp("STOP", temp) == 0) ? UPSTREAM_STOP_VIDEO : UPSTREAM_START_VIDEO;
if( channel_select >= 1 && channel_select <= 2 )
{
if((fp = open(video_device_str[device_id-1][channel_select-1], O_RDWR)) == -1)
{
printf("Error: cannot open device file %s !\n", video_device_str[device_id-1][channel_select-1]);
return -EINVAL;
}
printf("Device %s open for IOCTL successfully!\n", video_device_str[device_id-1][channel_select-1]);
printf("UPSTREAM parameters: filename = %s, channel_select(I=1) = %d \n", arguments.input_filename, channel_select);
if((ioctl(fp, arguments.command, (char *) &arguments)) == -1)
{
printf("Error: ioctl FAILED!\n");
}
}
}
break;
case 'a':
{
char * temp = argv[5];
upstream_user_struct arguments;
arguments.input_filename = argv[4];
arguments.vid_stdname = "NTSC";
arguments.pixel_format = PIXEL_FRMT_422;
arguments.channel_select = AUDIO_UPSTREAM_SRAM_CHANNEL_B;
arguments.command = (strcasecmp("STOP", temp) == 0) ? UPSTREAM_STOP_AUDIO : UPSTREAM_START_AUDIO;
if((fp = open(audio_device_str[device_id-1], O_RDWR)) == -1)
{
printf("Error: cannot open device file %s !\n", audio_device_str[device_id-1]);
return -EINVAL;
}
printf("Device %s open for IOCTL successfully!\n", audio_device_str[device_id-1]);
printf("UPSTREAM parameters: filename = %s, audio channel = %d \n", arguments.input_filename, arguments.channel_select);
if((ioctl(fp, arguments.command, (char *) &arguments)) == -1)
printf("Error: ioctl FAILED!\n");
}
break;
default:
printf("ERROR: INVALID ioctl command!\n");
return -EINVAL;
}
printf("*************************************************************** \n\n");
close(fp);
return 0;
}
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