diff mbox series

[v4,12/28] media: iris: implement enum_fmt and enum_frameintervals ioctls

Message ID 20241014-qcom-video-iris-v4-v4-12-c5eaa4e9ab9e@quicinc.com (mailing list archive)
State Superseded
Headers show
Series Qualcomm iris video decoder driver | expand

Commit Message

Dikshita Agarwal Oct. 14, 2024, 9:07 a.m. UTC
From: Vedang Nagar <quic_vnagar@quicinc.com>

Implement enum_fmt and enum_frameintervals ioctls with
necessary hooks.

Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com>
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
---
 .../platform/qcom/iris/iris_platform_common.h      |  4 +++
 .../platform/qcom/iris/iris_platform_sm8550.c      |  4 +++
 drivers/media/platform/qcom/iris/iris_vdec.c       | 21 ++++++++++++
 drivers/media/platform/qcom/iris/iris_vdec.h       |  1 +
 drivers/media/platform/qcom/iris/iris_vidc.c       | 39 ++++++++++++++++++++++
 5 files changed, 69 insertions(+)

Comments

Hans Verkuil Oct. 23, 2024, 10:49 a.m. UTC | #1
On 14/10/2024 11:07, Dikshita Agarwal wrote:
> From: Vedang Nagar <quic_vnagar@quicinc.com>
> 
> Implement enum_fmt and enum_frameintervals ioctls with
> necessary hooks.
> 
> Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com>
> Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
> ---
>  .../platform/qcom/iris/iris_platform_common.h      |  4 +++
>  .../platform/qcom/iris/iris_platform_sm8550.c      |  4 +++
>  drivers/media/platform/qcom/iris/iris_vdec.c       | 21 ++++++++++++
>  drivers/media/platform/qcom/iris/iris_vdec.h       |  1 +
>  drivers/media/platform/qcom/iris/iris_vidc.c       | 39 ++++++++++++++++++++++
>  5 files changed, 69 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
> index e345667dfbf2..54a2d723797b 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 bc4769732aad..37c0130d7059 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 e807decdda2b..fd0f1ebc33e8 100644
> --- a/drivers/media/platform/qcom/iris/iris_vdec.c
> +++ b/drivers/media/platform/qcom/iris/iris_vdec.c
> @@ -60,6 +60,27 @@ 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;
> +		strscpy(f->description, "codec", sizeof(f->description));

Don't set description, it's handled in v4l_fill_fmtdesc in v4l2-ioctl.c.

> +		break;
> +	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
> +		f->pixelformat = V4L2_PIX_FMT_NV12;
> +		strscpy(f->description, "colorformat", sizeof(f->description));

Ditto.

Hmm, v4l2-compliance should warn about this. Is this changed in a later patch perhaps?

> +		break;
> +	default:
> +		return -EINVAL;
> +	}
> +
> +	memset(f->reserved, 0, sizeof(f->reserved));

No need to do this, it's already zeroed by v4l_enum_fmt.

> +
> +	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 4f2557d15ca2..eb8a1121ae92 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 481fa0a7b7f3..1d6c5e8fafb4 100644
> --- a/drivers/media/platform/qcom/iris/iris_vidc.c
> +++ b/drivers/media/platform/qcom/iris/iris_vidc.c
> @@ -214,6 +214,16 @@ 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);
> @@ -256,6 +266,32 @@ 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);
> @@ -298,12 +334,15 @@ 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,
>  };
>
Dikshita Agarwal Oct. 23, 2024, 11:38 a.m. UTC | #2
On 10/23/2024 4:19 PM, Hans Verkuil wrote:
> On 14/10/2024 11:07, Dikshita Agarwal wrote:
>> From: Vedang Nagar <quic_vnagar@quicinc.com>
>>
>> Implement enum_fmt and enum_frameintervals ioctls with
>> necessary hooks.
>>
>> Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com>
>> Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
>> ---
>>  .../platform/qcom/iris/iris_platform_common.h      |  4 +++
>>  .../platform/qcom/iris/iris_platform_sm8550.c      |  4 +++
>>  drivers/media/platform/qcom/iris/iris_vdec.c       | 21 ++++++++++++
>>  drivers/media/platform/qcom/iris/iris_vdec.h       |  1 +
>>  drivers/media/platform/qcom/iris/iris_vidc.c       | 39 ++++++++++++++++++++++
>>  5 files changed, 69 insertions(+)
>>
>> diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
>> index e345667dfbf2..54a2d723797b 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 bc4769732aad..37c0130d7059 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 e807decdda2b..fd0f1ebc33e8 100644
>> --- a/drivers/media/platform/qcom/iris/iris_vdec.c
>> +++ b/drivers/media/platform/qcom/iris/iris_vdec.c
>> @@ -60,6 +60,27 @@ 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;
>> +		strscpy(f->description, "codec", sizeof(f->description));
> 
> Don't set description, it's handled in v4l_fill_fmtdesc in v4l2-ioctl.c.
> 
>> +		break;
>> +	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
>> +		f->pixelformat = V4L2_PIX_FMT_NV12;
>> +		strscpy(f->description, "colorformat", sizeof(f->description));
> 
> Ditto.
> 
> Hmm, v4l2-compliance should warn about this. Is this changed in a later patch perhaps?
> 
Oh, we didn't see such warning.
Will make the change.
>> +		break;
>> +	default:
>> +		return -EINVAL;
>> +	}
>> +
>> +	memset(f->reserved, 0, sizeof(f->reserved));
> 
> No need to do this, it's already zeroed by v4l_enum_fmt.
> 
Sure, Noted.
>> +
>> +	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 4f2557d15ca2..eb8a1121ae92 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 481fa0a7b7f3..1d6c5e8fafb4 100644
>> --- a/drivers/media/platform/qcom/iris/iris_vidc.c
>> +++ b/drivers/media/platform/qcom/iris/iris_vidc.c
>> @@ -214,6 +214,16 @@ 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);
>> @@ -256,6 +266,32 @@ 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);
>> @@ -298,12 +334,15 @@ 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,
>>  };
>>
>
diff mbox series

Patch

diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index e345667dfbf2..54a2d723797b 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 bc4769732aad..37c0130d7059 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 e807decdda2b..fd0f1ebc33e8 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.c
+++ b/drivers/media/platform/qcom/iris/iris_vdec.c
@@ -60,6 +60,27 @@  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;
+		strscpy(f->description, "codec", sizeof(f->description));
+		break;
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+		f->pixelformat = V4L2_PIX_FMT_NV12;
+		strscpy(f->description, "colorformat", sizeof(f->description));
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	memset(f->reserved, 0, sizeof(f->reserved));
+
+	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 4f2557d15ca2..eb8a1121ae92 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 481fa0a7b7f3..1d6c5e8fafb4 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -214,6 +214,16 @@  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);
@@ -256,6 +266,32 @@  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);
@@ -298,12 +334,15 @@  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,
 };