static int gsc_capture_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct gsc_dev *gsc = video_drvdata(file);
struct gsc_pipeline *p = &gsc->pipeline;
int ret;
if (gsc_cap_active(gsc))
return -EBUSY;
if (p->disp) {
gsc_pm_qos_ctrl(gsc, GSC_QOS_ON, 267000, 200000);
media_entity_pipeline_start(&p->disp->entity, p->pipe);
} else if (p->sensor) {
media_entity_pipeline_start(&p->sensor->entity, p->pipe);
} else {
gsc_err("Error pipeline");
return -EPIPE;
}
ret = gsc_cap_link_validate(gsc);
if (ret)
return ret;
gsc_hw_set_sw_reset(gsc);
ret= gsc_wait_reset(gsc);
if (ret < 0) {
gsc_err("gscaler s/w reset timeout");
return ret;
}
gsc_hw_set_output_buf_mask_all(gsc);
return vb2_streamon(&gsc->cap.vbq, type);
}
static int gsc_capture_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct gsc_dev *gsc = video_drvdata(file);
struct gsc_pipeline *p = &gsc->pipeline;
int ret;
if (gsc_cap_active(gsc))
return -EBUSY;
if (p->disp) {
media_entity_pipeline_start(&p->disp->entity, p->pipe);
} else if (p->sensor) {
media_entity_pipeline_start(&p->sensor->entity, p->pipe);
} else {
gsc_err("Error pipeline");
return -EPIPE;
}
ret = gsc_cap_link_validate(gsc);
if (ret)
return ret;
return vb2_streamon(&gsc->cap.vbq, type);
}
static int gsc_capture_stop_streaming(struct vb2_queue *q)
{
struct gsc_ctx *ctx = q->drv_priv;
struct gsc_dev *gsc = ctx->gsc_dev;
if (!gsc_cap_active(gsc))
return -EINVAL;
return gsc_cap_stop_capture(gsc);
}
static int gsc_capture_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct gsc_dev *gsc = video_drvdata(file);
if (gsc_cap_active(gsc)) {
gsc_err("gsc didn't stop complete");
return -EBUSY;
}
return vb2_streamon(&gsc->cap.vbq, type);
}
static int gsc_cap_stop_capture(struct gsc_dev *gsc)
{
int ret;
if (!gsc_cap_active(gsc)) {
gsc_warn("already stopped\n");
return 0;
}
gsc_dbg("G-Scaler h/w disable control");
gsc_hw_enable_control(gsc, false);
clear_bit(ST_CAPT_STREAM, &gsc->state);
ret = gsc_wait_stop(gsc);
if (ret) {
gsc_err("GSCALER_OP_STATUS is operating\n");
return ret;
}
return gsc_capture_state_cleanup(gsc);
}