/*
 * ioctl.c
 */

#include "hrt.h"
#include "hrt_shared.h"

int hrt_ioctl(struct inode *inode, struct file *file,
              unsigned int cmd, unsigned long arg)
{
	int r = 0, iarg = *((int*)arg);
	hrt_dev_t* dev = file->private_data;

	switch (cmd)
	{
	case IOC_HRT_SET_DRIVE_MODE:
		hrt_printk("IOC_HRT_SET_DRIVE_MODE: called with arg %d\n",
		           iarg);
		hrt_remove_interrupt(dev); 
		dev->use_interrupts = iarg;
		hrt_install_interrupt(dev); 
		break;

	case IOC_HRT_FREEZE_FRAME:
		hrt_printk("IOC_HRT_FREEZE_FRAME: called\n");
		hrt_dev_freeze_imm(dev);
		break;

	case IOC_HRT_GO_LIVE:
		hrt_printk("IOC_HRT_GO_LIVE: called\n");
		hrt_dev_go_live(dev);
		break;

	case IOC_HRT_WIN_SET_WIDTH:
		hrt_printk("IOC_HRT_WIN_SET_WIDTH: called with arg %d\n", iarg);
		dev->width = iarg;
		break;
	case IOC_HRT_WIN_SET_HEIGHT:
		hrt_printk("IOC_HRT_WIN_SET_HEIGHT: called with arg %d\n", iarg);
		dev->height = iarg;
		break;
	case IOC_HRT_WIN_SET_X:
		hrt_printk("IOC_HRT_WIN_SET_X: called with arg %d\n", iarg);
		dev->x = iarg;
		break;
	case IOC_HRT_WIN_SET_Y:
		hrt_printk("IOC_HRT_WIN_SET_Y: called with arg %d\n", iarg);
		dev->y = iarg;
		break;

	case IOC_HRT_STOP_DRV_READ:
		hrt_printk("IOC_HRT_STOP_DRV_READ: called\n");
		hrt_remove_interrupt(dev);
		break;

	case IOC_HRT_START_DRV_READ:
		hrt_printk("IOC_HRT_START_DRV_READ: called\n");
		hrt_install_interrupt(dev);
		break;

	default:
		r = -1;
		break;
	}

	return r;
}