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From: Nicolas Dufresne <nicolas@ndufresne.ca>
To: Vikash Garodia <quic_vgarodia@quicinc.com>,
	stanimir.k.varbanov@gmail.com, agross@kernel.org,
	andersson@kernel.org, konrad.dybcio@linaro.org,
	mchehab@kernel.org, hans.verkuil@cisco.com,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	linux-arm-msm@vger.kernel.org
Cc: quic_dikshita@quicinc.com
Subject: Re: [PATCH 03/33] iris: vidc: add v4l2 wrapper file
Date: Fri, 28 Jul 2023 13:50:59 -0400	[thread overview]
Message-ID: <7a91c48594efb2ab40f80a4a6532cb40ec20f89d.camel@ndufresne.ca> (raw)
In-Reply-To: <1690550624-14642-4-git-send-email-quic_vgarodia@quicinc.com>

Le vendredi 28 juillet 2023 à 18:53 +0530, Vikash Garodia a écrit :
> Here is the implementation of v4l2 wrapper functions for all
> v4l2 IOCTLs.
> 
> Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
> Signed-off-by: Vikash Garodia <quic_vgarodia@quicinc.com>
> ---
>  .../platform/qcom/iris/vidc/inc/msm_vidc_v4l2.h    |  77 ++
>  .../platform/qcom/iris/vidc/src/msm_vidc_v4l2.c    | 953 +++++++++++++++++++++
>  2 files changed, 1030 insertions(+)
>  create mode 100644 drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_v4l2.h
>  create mode 100644 drivers/media/platform/qcom/iris/vidc/src/msm_vidc_v4l2.c
> 
> diff --git a/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_v4l2.h b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_v4l2.h
> new file mode 100644
> index 0000000..3766c9d
> --- /dev/null
> +++ b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_v4l2.h
> @@ -0,0 +1,77 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#ifndef _MSM_VIDC_V4L2_H_
> +#define _MSM_VIDC_V4L2_H_
> +
> +#include <linux/fs.h>
> +#include <linux/poll.h>
> +#include <media/v4l2-ctrls.h>
> +#include <media/v4l2-dev.h>
> +#include <media/v4l2-ioctl.h>
> +
> +int msm_v4l2_open(struct file *filp);
> +int msm_v4l2_close(struct file *filp);
> +int msm_v4l2_querycap(struct file *filp, void *fh,
> +		      struct v4l2_capability *cap);
> +int msm_v4l2_enum_fmt(struct file *file, void *fh,
> +		      struct v4l2_fmtdesc *f);
> +int msm_v4l2_try_fmt(struct file *file, void *fh,
> +		     struct v4l2_format *f);
> +int msm_v4l2_s_fmt(struct file *file, void *fh,
> +		   struct v4l2_format *f);
> +int msm_v4l2_g_fmt(struct file *file, void *fh,
> +		   struct v4l2_format *f);
> +int msm_v4l2_s_selection(struct file *file, void *fh,
> +			 struct v4l2_selection *s);
> +int msm_v4l2_g_selection(struct file *file, void *fh,
> +			 struct v4l2_selection *s);
> +int msm_v4l2_s_parm(struct file *file, void *fh,
> +		    struct v4l2_streamparm *a);
> +int msm_v4l2_g_parm(struct file *file, void *fh,
> +		    struct v4l2_streamparm *a);
> +int msm_v4l2_reqbufs(struct file *file, void *fh,
> +		     struct v4l2_requestbuffers *b);
> +int msm_v4l2_querybuf(struct file *file, void *fh,
> +		      struct v4l2_buffer *b);
> +int msm_v4l2_create_bufs(struct file *filp, void *fh,
> +			 struct v4l2_create_buffers *b);
> +int msm_v4l2_prepare_buf(struct file *filp, void *fh,
> +			 struct v4l2_buffer *b);
> +int msm_v4l2_qbuf(struct file *file, void *fh,
> +		  struct v4l2_buffer *b);
> +int msm_v4l2_dqbuf(struct file *file, void *fh,
> +		   struct v4l2_buffer *b);
> +int msm_v4l2_streamon(struct file *file, void *fh,
> +		      enum v4l2_buf_type i);
> +int msm_v4l2_streamoff(struct file *file, void *fh,
> +		       enum v4l2_buf_type i);
> +int msm_v4l2_subscribe_event(struct v4l2_fh *fh,
> +			     const struct v4l2_event_subscription *sub);
> +int msm_v4l2_unsubscribe_event(struct v4l2_fh *fh,
> +			       const struct v4l2_event_subscription *sub);
> +int msm_v4l2_try_decoder_cmd(struct file *file, void *fh,
> +			     struct v4l2_decoder_cmd *enc);
> +int msm_v4l2_decoder_cmd(struct file *file, void *fh,
> +			 struct v4l2_decoder_cmd *dec);
> +int msm_v4l2_try_encoder_cmd(struct file *file, void *fh,
> +			     struct v4l2_encoder_cmd *enc);
> +int msm_v4l2_encoder_cmd(struct file *file, void *fh,
> +			 struct v4l2_encoder_cmd *enc);
> +int msm_v4l2_enum_framesizes(struct file *file, void *fh,
> +			     struct v4l2_frmsizeenum *fsize);
> +int msm_v4l2_enum_frameintervals(struct file *file, void *fh,
> +				 struct v4l2_frmivalenum *fival);
> +int msm_v4l2_queryctrl(struct file *file, void *fh,
> +		       struct v4l2_queryctrl *ctrl);
> +int msm_v4l2_querymenu(struct file *file, void *fh,
> +		       struct v4l2_querymenu *qmenu);
> +unsigned int msm_v4l2_poll(struct file *filp,
> +			   struct poll_table_struct *pt);
> +void msm_v4l2_m2m_device_run(void *priv);
> +void msm_v4l2_m2m_job_abort(void *priv);
> +
> +#endif // _MSM_VIDC_V4L2_H_
> diff --git a/drivers/media/platform/qcom/iris/vidc/src/msm_vidc_v4l2.c b/drivers/media/platform/qcom/iris/vidc/src/msm_vidc_v4l2.c
> new file mode 100644
> index 0000000..6dfb18b
> --- /dev/null
> +++ b/drivers/media/platform/qcom/iris/vidc/src/msm_vidc_v4l2.c
> @@ -0,0 +1,953 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include "msm_vidc.h"
> +#include "msm_vidc_core.h"
> +#include "msm_vidc_debug.h"
> +#include "msm_vidc_driver.h"
> +#include "msm_vidc_inst.h"
> +#include "msm_vidc_internal.h"
> +#include "msm_vidc_v4l2.h"
> +
> +static struct msm_vidc_inst *get_vidc_inst(struct file *filp, void *fh)
> +{
> +	if (!filp || !filp->private_data)
> +		return NULL;
> +	return container_of(filp->private_data,
> +					struct msm_vidc_inst, fh);
> +}
> +
> +unsigned int msm_v4l2_poll(struct file *filp, struct poll_table_struct *pt)
> +{
> +	int poll = 0;
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, NULL);
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return POLLERR;
> +	}
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		poll = POLLERR;
> +		goto exit;
> +	}
> +
> +	poll = msm_vidc_poll((void *)inst, filp, pt);
> +	if (poll)
> +		goto exit;
> +
> +exit:
> +	put_inst(inst);
> +	return poll;
> +}
> +
> +int msm_v4l2_open(struct file *filp)
> +{
> +	struct video_device *vdev = video_devdata(filp);
> +	struct msm_video_device *vid_dev =
> +		container_of(vdev, struct msm_video_device, vdev);
> +	struct msm_vidc_core *core = video_drvdata(filp);
> +	struct msm_vidc_inst *inst;
> +
> +	inst = msm_vidc_open(core, vid_dev->type);
> +	if (!inst) {
> +		d_vpr_e("Failed to create instance, type = %d\n",
> +			vid_dev->type);
> +		return -ENOMEM;
> +	}
> +	filp->private_data = &inst->fh;
> +	return 0;
> +}
> +
> +int msm_v4l2_close(struct file *filp)
> +{
> +	int rc = 0;
> +	struct msm_vidc_inst *inst;
> +
> +	inst = get_vidc_inst(filp, NULL);
> +	if (!inst) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	rc = msm_vidc_close(inst);
> +	filp->private_data = NULL;
> +	return rc;
> +}
> +
> +int msm_v4l2_querycap(struct file *filp, void *fh,
> +		      struct v4l2_capability *cap)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !cap) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);

You always takes both locks, which may indicate that you have one too many lock.
Any reason my the m2m_ctx->q_lock did not work for you ?

> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_querycap((void *)inst, cap);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_enum_fmt(struct file *filp, void *fh,
> +		      struct v4l2_fmtdesc *f)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !f) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_enum_fmt((void *)inst, f);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_try_fmt(struct file *filp, void *fh, struct v4l2_format *f)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !f) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = inst->event_handle(inst, MSM_VIDC_TRY_FMT, f);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_s_fmt(struct file *filp, void *fh,
> +		   struct v4l2_format *f)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !f) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = inst->event_handle(inst, MSM_VIDC_S_FMT, f);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_g_fmt(struct file *filp, void *fh,
> +		   struct v4l2_format *f)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !f) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_g_fmt((void *)inst, f);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_s_selection(struct file *filp, void *fh,
> +			 struct v4l2_selection *s)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !s) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_s_selection((void *)inst, s);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_g_selection(struct file *filp, void *fh,
> +			 struct v4l2_selection *s)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !s) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_g_selection((void *)inst, s);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_s_parm(struct file *filp, void *fh,
> +		    struct v4l2_streamparm *a)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !a) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_s_param((void *)inst, a);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_g_parm(struct file *filp, void *fh,
> +		    struct v4l2_streamparm *a)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !a) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_g_param((void *)inst, a);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_reqbufs(struct file *filp, void *fh,
> +		     struct v4l2_requestbuffers *b)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !b) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = inst->event_handle(inst, MSM_VIDC_REQBUFS, b);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_querybuf(struct file *filp, void *fh,
> +		      struct v4l2_buffer *b)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !b) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_querybuf((void *)inst, b);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_create_bufs(struct file *filp, void *fh,
> +			 struct v4l2_create_buffers *b)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !b) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_create_bufs((void *)inst, b);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_prepare_buf(struct file *filp, void *fh,
> +			 struct v4l2_buffer *b)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	struct video_device *vdev = video_devdata(filp);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !b) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_prepare_buf((void *)inst, vdev->v4l2_dev->mdev, b);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_qbuf(struct file *filp, void *fh,
> +		  struct v4l2_buffer *b)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	struct video_device *vdev = video_devdata(filp);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !b) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EINVAL;
> +		goto exit;
> +	}
> +
> +	rc = msm_vidc_qbuf(inst, vdev->v4l2_dev->mdev, b);
> +	if (rc)
> +		goto exit;
> +
> +exit:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_dqbuf(struct file *filp, void *fh,
> +		   struct v4l2_buffer *b)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !b) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	rc = msm_vidc_dqbuf(inst, b);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_streamon(struct file *filp, void *fh,
> +		      enum v4l2_buf_type i)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto exit;
> +	}
> +
> +	rc = msm_vidc_streamon((void *)inst, i);
> +	if (rc)
> +		goto exit;
> +
> +exit:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_streamoff(struct file *filp, void *fh,
> +		       enum v4l2_buf_type i)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	rc = msm_vidc_streamoff((void *)inst, i);
> +	if (rc)
> +		i_vpr_e(inst, "%s: msm_vidc_stramoff failed\n", __func__);
> +
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_subscribe_event(struct v4l2_fh *fh,
> +			     const struct v4l2_event_subscription *sub)
> +{
> +	struct msm_vidc_inst *inst;
> +	int rc = 0;
> +
> +	inst = container_of(fh, struct msm_vidc_inst, fh);
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !sub) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_subscribe_event((void *)inst, sub);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_unsubscribe_event(struct v4l2_fh *fh,
> +			       const struct v4l2_event_subscription *sub)
> +{
> +	struct msm_vidc_inst *inst;
> +	int rc = 0;
> +
> +	inst = container_of(fh, struct msm_vidc_inst, fh);
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !sub) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	rc = msm_vidc_unsubscribe_event((void *)inst, sub);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_try_decoder_cmd(struct file *filp, void *fh,
> +			     struct v4l2_decoder_cmd *dec)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !dec) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_try_cmd(inst, (union msm_v4l2_cmd *)dec);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_decoder_cmd(struct file *filp, void *fh,
> +			 struct v4l2_decoder_cmd *dec)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	enum msm_vidc_event event;
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	if (!dec) {
> +		i_vpr_e(inst, "%s: invalid params\n", __func__);
> +		rc = -EINVAL;
> +		goto unlock;
> +	}
> +	if (dec->cmd != V4L2_DEC_CMD_START &&
> +	    dec->cmd != V4L2_DEC_CMD_STOP) {
> +		i_vpr_e(inst, "%s: invalid cmd %#x\n", __func__, dec->cmd);
> +		rc = -EINVAL;
> +		goto unlock;
> +	}
> +	event = (dec->cmd == V4L2_DEC_CMD_START ? MSM_VIDC_CMD_START : MSM_VIDC_CMD_STOP);
> +	rc = inst->event_handle(inst, event, NULL);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_try_encoder_cmd(struct file *filp, void *fh,
> +			     struct v4l2_encoder_cmd *enc)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !enc) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_try_cmd(inst, (union msm_v4l2_cmd *)enc);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_encoder_cmd(struct file *filp, void *fh,
> +			 struct v4l2_encoder_cmd *enc)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	enum msm_vidc_event event;
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	if (!enc) {
> +		i_vpr_e(inst, "%s: invalid params\n", __func__);
> +		rc = -EINVAL;
> +		goto unlock;
> +	}
> +	if (enc->cmd != V4L2_ENC_CMD_START &&
> +	    enc->cmd != V4L2_ENC_CMD_STOP) {
> +		i_vpr_e(inst, "%s: invalid cmd %#x\n", __func__, enc->cmd);
> +		rc = -EINVAL;
> +		goto unlock;
> +	}
> +	event = (enc->cmd == V4L2_ENC_CMD_START ? MSM_VIDC_CMD_START : MSM_VIDC_CMD_STOP);
> +	rc = inst->event_handle(inst, event, NULL);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_enum_framesizes(struct file *filp, void *fh,
> +			     struct v4l2_frmsizeenum *fsize)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !fsize) {
> +		d_vpr_e("%s: invalid params: %pK %pK\n",
> +			__func__, inst, fsize);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_enum_framesizes((void *)inst, fsize);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_enum_frameintervals(struct file *filp, void *fh,
> +				 struct v4l2_frmivalenum *fival)
> +
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !fival) {
> +		d_vpr_e("%s: invalid params: %pK %pK\n",
> +			__func__, inst, fival);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_enum_frameintervals((void *)inst, fival);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_queryctrl(struct file *filp, void *fh,
> +		       struct v4l2_queryctrl *ctrl)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !ctrl) {
> +		d_vpr_e("%s: invalid instance\n", __func__);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_query_ctrl((void *)inst, ctrl);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +int msm_v4l2_querymenu(struct file *filp, void *fh,
> +		       struct v4l2_querymenu *qmenu)
> +{
> +	struct msm_vidc_inst *inst = get_vidc_inst(filp, fh);
> +	int rc = 0;
> +
> +	inst = get_inst_ref(g_core, inst);
> +	if (!inst || !qmenu) {
> +		d_vpr_e("%s: invalid params %pK %pK\n",
> +			__func__, inst, qmenu);
> +		return -EINVAL;
> +	}
> +
> +	client_lock(inst, __func__);
> +	inst_lock(inst, __func__);
> +	if (is_session_error(inst)) {
> +		i_vpr_e(inst, "%s: inst in error state\n", __func__);
> +		rc = -EBUSY;
> +		goto unlock;
> +	}
> +	rc = msm_vidc_query_menu((void *)inst, qmenu);
> +	if (rc)
> +		goto unlock;
> +
> +unlock:
> +	inst_unlock(inst, __func__);
> +	client_unlock(inst, __func__);
> +	put_inst(inst);
> +
> +	return rc;
> +}
> +
> +void msm_v4l2_m2m_device_run(void *priv)
> +{
> +	d_vpr_l("%s(): device_run\n", __func__);
> +}
> +
> +void msm_v4l2_m2m_job_abort(void *priv)
> +{
> +	struct msm_vidc_inst *inst = priv;
> +
> +	if (!inst) {
> +		d_vpr_e("%s: invalid params\n", __func__);
> +		return;
> +	}
> +	i_vpr_h(inst, "%s: m2m job aborted\n", __func__);
> +	v4l2_m2m_job_finish(inst->m2m_dev, inst->m2m_ctx);
> +}


  parent reply	other threads:[~2023-07-28 17:51 UTC|newest]

Thread overview: 108+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-28 13:23 [PATCH 00/33] Qualcomm video decoder/encoder driver Vikash Garodia
2023-07-28 13:23 ` [PATCH 01/33] MAINTAINERS: Add Qualcomm Iris video accelerator driver Vikash Garodia
2023-07-28 22:48   ` Randy Dunlap
2023-08-14 18:44     ` Dikshita Agarwal
2023-08-16 12:00       ` Bryan O'Donoghue
2023-08-16 13:14         ` Dmitry Baryshkov
2023-07-28 13:23 ` [PATCH 02/33] iris: vidc: add core functions Vikash Garodia
2023-07-28 13:45   ` Konrad Dybcio
2023-08-14 18:49     ` Dikshita Agarwal
2023-07-28 13:47   ` Konrad Dybcio
2023-07-28 13:49   ` Dmitry Baryshkov
2023-08-14 18:58     ` Dikshita Agarwal
2023-08-14 21:03       ` Dmitry Baryshkov
2023-08-24 15:32         ` Vikash Garodia
2023-07-31 21:16   ` Krzysztof Kozlowski
2023-08-14 18:54     ` Dikshita Agarwal
2023-08-14 20:04       ` Krzysztof Kozlowski
2023-07-31 21:23   ` Krzysztof Kozlowski
2023-08-14 18:51     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 03/33] iris: vidc: add v4l2 wrapper file Vikash Garodia
2023-07-28 13:34   ` Dmitry Baryshkov
2023-08-14 18:59     ` Dikshita Agarwal
2023-08-14 21:19       ` Dmitry Baryshkov
2023-07-28 16:23   ` Bjorn Andersson
2023-07-28 17:50   ` Nicolas Dufresne [this message]
2023-08-14 19:14     ` Dikshita Agarwal
2023-07-31 21:23   ` Krzysztof Kozlowski
2023-08-14 19:00     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 04/33] iris: add vidc " Vikash Garodia
2023-07-28 13:23 ` [PATCH 05/33] iris: vidc: add vb2 ops Vikash Garodia
2023-07-28 18:03   ` Nicolas Dufresne
2023-08-14 19:03     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 06/33] iris: vidc: define video core and instance context Vikash Garodia
2023-07-28 15:47   ` Bryan O'Donoghue
2023-08-14 19:04     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 07/33] iris: iris: add video encoder files Vikash Garodia
2023-07-28 13:23 ` [PATCH 08/33] iris: vidc: add video decoder files Vikash Garodia
2023-07-28 17:21   ` Konrad Dybcio
2023-08-14 19:13     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 09/33] iris: vidc: add control files Vikash Garodia
2023-07-28 13:23 ` [PATCH 10/33] iris: vidc: add helper functions Vikash Garodia
2023-07-28 17:41   ` Konrad Dybcio
2023-08-14 19:15     ` Dikshita Agarwal
2023-08-16 11:46       ` Konrad Dybcio
2023-07-28 13:23 ` [PATCH 11/33] iris: vidc: add helpers for memory management Vikash Garodia
2023-07-28 16:28   ` Bjorn Andersson
2023-07-28 17:22     ` Konrad Dybcio
2023-08-14 19:06       ` Dikshita Agarwal
2023-08-25 18:38         ` Konrad Dybcio
2023-08-14 19:05     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 12/33] iris: vidc: add helper functions for resource management Vikash Garodia
2023-07-28 17:30   ` Konrad Dybcio
2023-08-14 19:07     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 13/33] iris: vidc: add helper functions for power management Vikash Garodia
2023-07-28 17:46   ` Konrad Dybcio
2023-08-14 19:10     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 14/33] iris: vidc: add helpers for state management Vikash Garodia
2023-07-28 17:52   ` Konrad Dybcio
2023-08-14 19:17     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 15/33] iris: add vidc buffer files Vikash Garodia
2023-07-28 13:23 ` [PATCH 16/33] iris: add helpers for media format Vikash Garodia
2023-07-28 17:55   ` Konrad Dybcio
2023-08-14 19:18     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 17/33] iris: vidc: define various structures and enum Vikash Garodia
2023-07-28 13:23 ` [PATCH 18/33] iris: vidc: hfi: add Host Firmware Interface (HFI) Vikash Garodia
2023-07-28 15:58   ` Bryan O'Donoghue
2023-08-14 19:11     ` Dikshita Agarwal
2023-07-31  9:02   ` Bryan O'Donoghue
2023-08-14 19:11     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 19/33] iris: vidc: hfi: add Host Firmware Interface (HFI) response handling Vikash Garodia
2023-07-28 13:23 ` [PATCH 20/33] iris: vidc: hfi: add helpers for handling shared queues Vikash Garodia
2023-07-28 17:58   ` Konrad Dybcio
2023-08-14 19:19     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 21/33] iris: vidc: hfi: Add packetization layer Vikash Garodia
2023-07-28 13:23 ` [PATCH 22/33] iris: vidc: hfi: defines HFI properties and enums Vikash Garodia
2023-07-28 13:23 ` [PATCH 23/33] iris: vidc: add PIL functionality for video firmware Vikash Garodia
2023-07-28 13:23 ` [PATCH 24/33] iris: vidc: add debug files Vikash Garodia
2023-07-31 21:31   ` Krzysztof Kozlowski
2023-08-14 19:12     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 25/33] iris: platform: add platform files Vikash Garodia
2023-07-28 13:23 ` [PATCH 26/33] iris: platform: sm8550: add capability file for sm8550 Vikash Garodia
2023-07-28 14:13   ` Dmitry Baryshkov
2023-08-14 19:35     ` Dikshita Agarwal
2023-08-14 21:17       ` Dmitry Baryshkov
2023-07-28 13:23 ` [PATCH 27/33] iris: variant: add helper functions for register handling Vikash Garodia
2023-07-28 13:23 ` [PATCH 28/33] iris: variant: iris3: add iris3 specific ops Vikash Garodia
2023-07-28 13:23 ` [PATCH 29/33] iris: variant: iris3: add helpers for buffer size calculations Vikash Garodia
2023-07-28 14:19   ` Dmitry Baryshkov
2023-08-14 20:00     ` Dikshita Agarwal
2023-08-14 20:59       ` Dmitry Baryshkov
2023-07-28 13:23 ` [PATCH 30/33] iris: variant: iris3: add helper for bus and clock calculation Vikash Garodia
2023-07-28 13:23 ` [PATCH 31/33] iris: variant: iris: implement the logic to compute bus bandwidth Vikash Garodia
2023-07-28 18:09   ` Konrad Dybcio
2023-08-14 19:21     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 32/33] iris: variant: iris3: implement logic to compute clock frequency Vikash Garodia
2023-07-28 18:13   ` Konrad Dybcio
2023-08-14 19:25     ` Dikshita Agarwal
2023-07-28 13:23 ` [PATCH 33/33] iris: enable building of iris video driver Vikash Garodia
2023-07-28 14:40   ` Dmitry Baryshkov
2023-07-28 15:25   ` Bryan O'Donoghue
2023-07-28 15:51     ` Dmitry Baryshkov
2023-07-28 13:32 ` [PATCH 00/33] Qualcomm video decoder/encoder driver Dmitry Baryshkov
2023-07-28 17:38   ` Nicolas Dufresne
2023-07-28 14:01 ` Dmitry Baryshkov
2023-08-14 12:58   ` Stanimir Varbanov
2023-08-14 15:00     ` Dmitry Baryshkov
2023-08-24 15:23       ` Vikash Garodia
2023-07-28 14:34 ` Bryan O'Donoghue

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