media: iris: implement enum_fmt and enum_framesizes ioctls

Implement the enum_fmt and enum_framesizes ioctls with the necessary
hooks.

Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

5 files changed, 65 insertions, 0 deletions

diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index d508477b066e..75d4932df910 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -43,6 +43,10 @@ struct ubwc_config_data {
 };
 
 struct platform_inst_caps {
+	u32 min_frame_width;
+	u32 max_frame_width;
+	u32 min_frame_height;
+	u32 max_frame_height;
 	u32 max_mbpf;
 };
 struct iris_core_power {
diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
index e4232c755074..3972b64dbda6 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
@@ -11,6 +11,10 @@
 #define VIDEO_ARCH_LX 1
 
 static struct platform_inst_caps platform_inst_cap_sm8550 = {
+	.min_frame_width = 96,
+	.max_frame_width = 8192,
+	.min_frame_height = 96,
+	.max_frame_height = 8192,
 	.max_mbpf = (8192 * 4352) / 256,
 };
 
diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c
index 38a5df8191cc..081a9eda5c49 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.c
+++ b/drivers/media/platform/qcom/iris/iris_vdec.c
@@ -58,6 +58,23 @@ void iris_vdec_inst_deinit(struct iris_inst *inst)
 	kfree(inst->fmt_src);
 }
 
+int iris_vdec_enum_fmt(struct iris_inst *inst, struct v4l2_fmtdesc *f)
+{
+	switch (f->type) {
+	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+		f->pixelformat = V4L2_PIX_FMT_H264;
+		f->flags = V4L2_FMT_FLAG_COMPRESSED | V4L2_FMT_FLAG_DYN_RESOLUTION;
+		break;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+		f->pixelformat = V4L2_PIX_FMT_NV12;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 int iris_vdec_try_fmt(struct iris_inst *inst, struct v4l2_format *f)
 {
 	struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
diff --git a/drivers/media/platform/qcom/iris/iris_vdec.h b/drivers/media/platform/qcom/iris/iris_vdec.h
index 85e93f33e9e7..ae456676e578 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.h
+++ b/drivers/media/platform/qcom/iris/iris_vdec.h
@@ -10,6 +10,7 @@ struct iris_inst;
 
 void iris_vdec_inst_init(struct iris_inst *inst);
 void iris_vdec_inst_deinit(struct iris_inst *inst);
+int iris_vdec_enum_fmt(struct iris_inst *inst, struct v4l2_fmtdesc *f);
 int iris_vdec_try_fmt(struct iris_inst *inst, struct v4l2_format *f);
 int iris_vdec_s_fmt(struct iris_inst *inst, struct v4l2_format *f);
 
diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c
index 92eb793cbeb7..82bd0be8e5da 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -217,6 +217,16 @@ int iris_close(struct file *filp)
 	return 0;
 }
 
+static int iris_enum_fmt(struct file *filp, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct iris_inst *inst = iris_get_inst(filp, NULL);
+
+	if (f->index)
+		return -EINVAL;
+
+	return iris_vdec_enum_fmt(inst, f);
+}
+
 static int iris_try_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
 {
 	struct iris_inst *inst = iris_get_inst(filp, NULL);
@@ -259,6 +269,32 @@ static int iris_g_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format
 	return ret;
 }
 
+static int iris_enum_framesizes(struct file *filp, void *fh,
+				struct v4l2_frmsizeenum *fsize)
+{
+	struct iris_inst *inst = iris_get_inst(filp, NULL);
+	struct platform_inst_caps *caps;
+
+	if (fsize->index)
+		return -EINVAL;
+
+	if (fsize->pixel_format != V4L2_PIX_FMT_H264 &&
+	    fsize->pixel_format != V4L2_PIX_FMT_NV12)
+		return -EINVAL;
+
+	caps = inst->core->iris_platform_data->inst_caps;
+
+	fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+	fsize->stepwise.min_width = caps->min_frame_width;
+	fsize->stepwise.max_width = caps->max_frame_width;
+	fsize->stepwise.step_width = STEP_WIDTH;
+	fsize->stepwise.min_height = caps->min_frame_height;
+	fsize->stepwise.max_height = caps->max_frame_height;
+	fsize->stepwise.step_height = STEP_HEIGHT;
+
+	return 0;
+}
+
 static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection *s)
 {
 	struct iris_inst *inst = iris_get_inst(filp, NULL);
@@ -300,12 +336,15 @@ static const struct vb2_ops iris_vb2_ops = {
 };
 
 static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = {
+	.vidioc_enum_fmt_vid_cap        = iris_enum_fmt,
+	.vidioc_enum_fmt_vid_out        = iris_enum_fmt,
 	.vidioc_try_fmt_vid_cap_mplane  = iris_try_fmt_vid_mplane,
 	.vidioc_try_fmt_vid_out_mplane  = iris_try_fmt_vid_mplane,
 	.vidioc_s_fmt_vid_cap_mplane    = iris_s_fmt_vid_mplane,
 	.vidioc_s_fmt_vid_out_mplane    = iris_s_fmt_vid_mplane,
 	.vidioc_g_fmt_vid_cap_mplane    = iris_g_fmt_vid_mplane,
 	.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
+	.vidioc_enum_framesizes         = iris_enum_framesizes,
 	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
 	.vidioc_g_selection             = iris_g_selection,
 };