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    Subject[PATCH 03/33] iris: vidc: add v4l2 wrapper file
    Date
    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__);
    + 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);
    +}
    --
    2.7.4
    \
     
     \ /
      Last update: 2023-07-28 15:27    [W:2.555 / U:0.012 seconds]
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