static int gsc_m2m_streamon(struct file *file, void *fh,
enum v4l2_buf_type type)
{
struct gsc_ctx *ctx = fh_to_ctx(fh);
struct gsc_dev *gsc = ctx->gsc_dev;
struct exynos_platform_gscaler *pdata = gsc->pdata;
/* The source and target color format need to be set */
if (V4L2_TYPE_IS_OUTPUT(type)) {
if (!gsc_ctx_state_is_set(GSC_SRC_FMT, ctx))
return -EINVAL;
} else if (!gsc_ctx_state_is_set(GSC_DST_FMT, ctx)) {
return -EINVAL;
}
gsc_pm_qos_ctrl(gsc, GSC_QOS_ON, pdata->mif_min, pdata->int_min);
if (gsc->protected_content) {
int id = gsc->id + 3;
exynos_smc(SMC_PROTECTION_SET, 0, id, 1);
gsc_dbg("DRM enable");
}
return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
}
static int gsc_capture_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct gsc_dev *gsc = video_drvdata(file);
struct v4l2_subdev *sd;
struct gsc_pipeline *p = &gsc->pipeline;
int ret;
if (p->disp) {
gsc_pm_qos_ctrl(gsc, GSC_QOS_OFF, 0, 0);
sd = gsc->pipeline.disp;
} else if (p->sensor) {
sd = gsc->pipeline.sensor;
} else {
gsc_err("Error pipeline");
return -EPIPE;
}
ret = vb2_streamoff(&gsc->cap.vbq, type);
if (ret == 0) {
if (p->disp)
media_entity_pipeline_stop(&p->disp->entity);
else if (p->sensor)
media_entity_pipeline_stop(&p->sensor->entity);
}
return ret;
}
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_m2m_streamoff(struct file *file, void *fh,
enum v4l2_buf_type type)
{
struct gsc_ctx *ctx = fh_to_ctx(fh);
struct gsc_dev *gsc = ctx->gsc_dev;
gsc_pm_qos_ctrl(gsc, GSC_QOS_OFF, 0, 0);
return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
}
static int gsc_m2m_streamoff(struct file *file, void *fh,
enum v4l2_buf_type type)
{
struct gsc_ctx *ctx = fh_to_ctx(fh);
struct gsc_dev *gsc = ctx->gsc_dev;
gsc_pm_qos_ctrl(gsc, GSC_QOS_OFF, 0, 0);
if (gsc->protected_content) {
int id = gsc->id + 3;
exynos_smc(SMC_PROTECTION_SET, 0, id, 0);
gsc_dbg("DRM disable");
}
return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
}
static int gsc_m2m_streamon(struct file *file, void *fh,
enum v4l2_buf_type type)
{
struct gsc_ctx *ctx = fh_to_ctx(fh);
struct gsc_dev *gsc = ctx->gsc_dev;
/* The source and target color format need to be set */
if (V4L2_TYPE_IS_OUTPUT(type)) {
if (!gsc_ctx_state_is_set(GSC_SRC_FMT, ctx))
return -EINVAL;
} else if (!gsc_ctx_state_is_set(GSC_DST_FMT, ctx)) {
return -EINVAL;
}
gsc_pm_qos_ctrl(gsc, GSC_QOS_ON, 160000, 160000);
return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
}