[PATCH 03/33] iris: vidc: add v4l2 wrapper file

Vikash Garodia
2023-07-28T13:25:49Z

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