Exemplo n.º 1
0
static int start_streaming(struct vb2_queue *q, unsigned int count)
{
	struct fimc_lite *fimc = q->drv_priv;
	int ret;

	fimc->frame_count = 0;

	ret = fimc_lite_hw_init(fimc);
	if (ret) {
		fimc_lite_reinit(fimc, false);
		return ret;
	}

	set_bit(ST_FLITE_PENDING, &fimc->state);

	if (!list_empty(&fimc->active_buf_q) &&
	    !test_and_set_bit(ST_FLITE_STREAM, &fimc->state)) {
		flite_hw_capture_start(fimc);

		if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state))
			fimc_pipeline_call(fimc, set_stream,
					   &fimc->pipeline, 1);
	}
	if (debug > 0)
		flite_hw_dump_regs(fimc, __func__);

	return 0;
}
Exemplo n.º 2
0
static int fimc_lite_hw_init(struct fimc_lite *fimc)
{
	struct fimc_pipeline *pipeline = &fimc->pipeline;
	struct fimc_sensor_info *sensor;
	unsigned long flags;

	if (pipeline->subdevs[IDX_SENSOR] == NULL)
		return -ENXIO;

	if (fimc->fmt == NULL)
		return -EINVAL;

	sensor = v4l2_get_subdev_hostdata(pipeline->subdevs[IDX_SENSOR]);
	spin_lock_irqsave(&fimc->slock, flags);

	flite_hw_set_camera_bus(fimc, &sensor->pdata);
	flite_hw_set_source_format(fimc, &fimc->inp_frame);
	flite_hw_set_window_offset(fimc, &fimc->inp_frame);
	flite_hw_set_output_dma(fimc, &fimc->out_frame, true);
	flite_hw_set_interrupt_mask(fimc);
	flite_hw_set_test_pattern(fimc, fimc->test_pattern->val);

	if (debug > 0)
		flite_hw_dump_regs(fimc, __func__);

	spin_unlock_irqrestore(&fimc->slock, flags);
	return 0;
}
Exemplo n.º 3
0
static int start_streaming(struct vb2_queue *q, unsigned int count)
{
	struct fimc_lite *fimc = q->drv_priv;
	unsigned long flags;
	int ret;

	spin_lock_irqsave(&fimc->slock, flags);

	fimc->buf_index = 0;
	fimc->frame_count = 0;

	spin_unlock_irqrestore(&fimc->slock, flags);

	ret = fimc_lite_hw_init(fimc, false);
	if (ret) {
		fimc_lite_reinit(fimc, false);
		return ret;
	}

	set_bit(ST_FLITE_PENDING, &fimc->state);

	if (!list_empty(&fimc->active_buf_q) &&
	    !test_and_set_bit(ST_FLITE_STREAM, &fimc->state)) {
		flite_hw_capture_start(fimc);

		if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state))
			fimc_pipeline_call(&fimc->ve, set_stream, 1);
	}
	if (debug > 0)
		flite_hw_dump_regs(fimc, __func__);

	return 0;
}
Exemplo n.º 4
0
static int fimc_lite_log_status(struct v4l2_subdev *sd)
{
	struct fimc_lite *fimc = v4l2_get_subdevdata(sd);

	flite_hw_dump_regs(fimc, __func__);
	return 0;
}
Exemplo n.º 5
0
static int fimc_lite_hw_init(struct fimc_lite *fimc, bool isp_output)
{
	struct fimc_source_info *si;
	unsigned long flags;

	if (fimc->sensor == NULL)
		return -ENXIO;

	if (fimc->inp_frame.fmt == NULL || fimc->out_frame.fmt == NULL)
		return -EINVAL;

	/* Get sensor configuration data from the sensor subdev */
	si = v4l2_get_subdev_hostdata(fimc->sensor);
	if (!si)
		return -EINVAL;

	spin_lock_irqsave(&fimc->slock, flags);

	flite_hw_set_camera_bus(fimc, si);
	flite_hw_set_source_format(fimc, &fimc->inp_frame);
	flite_hw_set_window_offset(fimc, &fimc->inp_frame);
	flite_hw_set_dma_buf_mask(fimc, 0);
	flite_hw_set_output_dma(fimc, &fimc->out_frame, !isp_output);
	flite_hw_set_interrupt_mask(fimc);
	flite_hw_set_test_pattern(fimc, fimc->test_pattern->val);

	if (debug > 0)
		flite_hw_dump_regs(fimc, __func__);

	spin_unlock_irqrestore(&fimc->slock, flags);
	return 0;
}