Ejemplos de s3c_csis_start en C++ (Cpp)

Ejemplo n.º 1

static int fimc_init_camera(struct fimc_control *ctrl)
{
	struct fimc_global *fimc = get_fimc_dev();
	struct s3c_platform_fimc *pdata;
	struct s3c_platform_camera *cam;
	struct v4l2_streamparm stream;
	int ret;

	pdata = to_fimc_plat(ctrl->dev);
	if (pdata->default_cam >= FIMC_MAXCAMS) {
		dev_err(ctrl->dev, "%s: invalid camera index\n", __func__);
		return -EINVAL;
	}

	if (!fimc->camera[pdata->default_cam]) {
		dev_err(ctrl->dev, "no external camera device\n");
		return -ENODEV;
	}

	/*
	 * ctrl->cam may not be null if already s_input called,
	 * otherwise, that should be default_cam if ctrl->cam is null.
	*/
	if (!ctrl->cam)
		ctrl->cam = fimc->camera[pdata->default_cam];

	cam = ctrl->cam;

	/* do nothing if already initialized */
	if (cam->initialized)
		return 0;

	/* 
	 * WriteBack mode doesn't need to set clock and power,
	 * but it needs to set source width, height depend on LCD resolution.
	*/
	if (cam->id == CAMERA_WB) {
		s3cfb_direct_ioctl(0, S3CFB_GET_LCD_WIDTH, (unsigned long)&cam->width);	
		s3cfb_direct_ioctl(0, S3CFB_GET_LCD_HEIGHT, (unsigned long)&cam->height);
		cam->window.width = cam->width;
		cam->window.height = cam->height;
		cam->initialized = 1;
		return 0;
	}
	
	/* set rate for mclk */
	if (cam->clk->set_rate) {
		clk_disable(cam->clk);
		cam->clk->set_rate(cam->clk, cam->clk_rate);
		clk_enable(cam->clk);
		dev_info(ctrl->dev, "clock for camera: %d\n", cam->clk_rate);
	}

	/* enable camera power if needed */
	if (cam->cam_power)
		cam->cam_power(1);
	
	/* camera s/w reset*/
	fimc_hwset_hw_reset();


	/* subdev call for init */
	ret = v4l2_subdev_call(cam->sd, core, init, 0);
	if (ret == -ENOIOCTLCMD) {
		dev_err(ctrl->dev, "%s: init subdev api not supported\n",
			__func__);
		return ret;
	}

	/*set resolution SVGA*/
	stream.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
	stream.parm.capture.capturemode = 0;

	ret = v4l2_subdev_call(cam->sd, video, s_parm, &stream);
	if (ret == -ENOIOCTLCMD) {
		dev_err(ctrl->dev, "%s: init subdev api not supported\n",
			__func__);
		return ret;
	}

	if (cam->type == CAM_TYPE_MIPI) {
		/* 
		 * subdev call for sleep/wakeup:
		 * no error although no s_stream api support
		*/
		v4l2_subdev_call(cam->sd, video, s_stream, 0);
		s3c_csis_start(cam->mipi_lanes, cam->mipi_settle, \
				cam->mipi_align, cam->width, cam->height);
		v4l2_subdev_call(cam->sd, video, s_stream, 1);
	}

	cam->initialized = 1;

	return 0;
}

Ejemplo n.º 2

Archivo: fimc_capture.c Proyecto: Fengyuan/G3MOD

static int fimc_init_camera(struct fimc_control *ctrl)
{
	struct fimc_global *fimc = get_fimc_dev();
	struct s3c_platform_fimc *pdata;
	struct s3c_platform_camera *cam;
	int ret;
#ifdef VIEW_FUNCTION_CALL
	printk("[FIMC_CAPTURE] %s(%d)\n", __func__, __LINE__);
#endif
	pdata = to_fimc_plat(ctrl->dev);
	if (pdata->default_cam >= FIMC_MAXCAMS) {
		dev_err(ctrl->dev, "%s: invalid camera index\n", __func__);
		return -EINVAL;
	}

	if (!fimc->camera[pdata->default_cam]) {
		dev_err(ctrl->dev, "no external camera device\n");
		return -ENODEV;
	}

	/*
	 * ctrl->cam may not be null if already s_input called,
	 * otherwise, that should be default_cam if ctrl->cam is null.
	*/
	if (!ctrl->cam)
		ctrl->cam = fimc->camera[pdata->default_cam];

	cam = ctrl->cam;

	/* do nothing if already initialized */
	if (cam->initialized)
		return 0;

	/* set rate for mclk */
	if (cam->clk->set_rate) {
		cam->clk->set_rate(cam->clk, cam->clk_rate);
		clk_enable(cam->clk);
		dev_info(ctrl->dev, "clock for camera: %d\n", cam->clk_rate);
	}

	/* enable camera power if needed */
	if (cam->cam_power)
		cam->cam_power(1);

	/* subdev call for init */
	ret = v4l2_subdev_call(cam->sd, core, init, 0);
	if (ret == -ENOIOCTLCMD) {
		dev_err(ctrl->dev, "%s: init subdev api not supported\n",
			__func__);
		return ret;
	}

	if (cam->type == CAM_TYPE_MIPI) {
		/* 
		 * subdev call for sleep/wakeup:
		 * no error although no s_stream api support
		*/
		v4l2_subdev_call(cam->sd, video, s_stream, 0);
		s3c_csis_start(cam->mipi_lanes, cam->mipi_settle, \
				cam->mipi_align, cam->width, cam->height);
		v4l2_subdev_call(cam->sd, video, s_stream, 1);
	}

	cam->initialized = 1;

	return 0;
}