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- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
- */
- #include "msm_vidc_v4l2.h"
- #include "msm_vidc_internal.h"
- #include "msm_vidc_core.h"
- #include "msm_vidc_inst.h"
- #include "msm_vidc_debug.h"
- #include "msm_vidc_driver.h"
- #include "msm_vidc.h"
- extern struct msm_vidc_core *g_core;
- 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, event_handler);
- }
- unsigned int msm_v4l2_poll(struct file *filp, struct poll_table_struct *pt)
- {
- struct msm_vidc_inst *inst = get_vidc_inst(filp, NULL);
- return msm_vidc_poll((void *)inst, filp, pt);
- }
- 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;
- }
- clear_bit(V4L2_FL_USES_V4L2_FH, &vdev->flags);
- filp->private_data = &(inst->event_handler);
- return 0;
- }
- int msm_v4l2_close(struct file *filp)
- {
- int rc = 0;
- struct msm_vidc_inst *inst;
- inst = get_vidc_inst(filp, NULL);
- 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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_querycap((void *)inst, cap);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_enum_fmt((void *)inst, f);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_s_fmt((void *)inst, f);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_g_fmt((void *)inst, f);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_s_selection((void *)inst, s);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_g_selection((void *)inst, s);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_s_param((void *)inst, a);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_g_param((void *)inst, a);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_unlock(inst, __func__);
- put_inst(inst);
- return rc;
- }
- int msm_v4l2_s_ctrl(struct file *filp, void *fh,
- struct v4l2_control *a)
- {
- 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;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_s_ctrl((void *)inst, a);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_unlock(inst, __func__);
- put_inst(inst);
- return rc;
- }
- int msm_v4l2_g_ctrl(struct file *filp, void *fh,
- struct v4l2_control *a)
- {
- 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;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_g_ctrl((void *)inst, a);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_reqbufs((void *)inst, b);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_qbuf(inst, vdev->v4l2_dev->mdev, b);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_dqbuf(inst, b);
- inst_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;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_streamon((void *)inst, i);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_streamoff((void *)inst, i);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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, event_handler);
- inst = get_inst_ref(g_core, inst);
- if (!inst) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_subscribe_event((void *)inst, sub);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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, event_handler);
- inst = get_inst_ref(g_core, inst);
- if (!inst) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_unsubscribe_event((void *)inst, sub);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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);
- int rc = 0;
- inst = get_inst_ref(g_core, inst);
- if (!inst) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_cmd((void *)inst, (union msm_v4l2_cmd *)dec);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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);
- int rc = 0;
- inst = get_inst_ref(g_core, inst);
- if (!inst) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_cmd((void *)inst, (union msm_v4l2_cmd *)enc);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_enum_framesizes((void *)inst, fsize);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_enum_frameintervals((void *)inst, fival);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_query_ctrl((void *)inst, ctrl);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_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) {
- d_vpr_e("%s: invalid instance\n", __func__);
- return -EINVAL;
- }
- inst_lock(inst, __func__);
- rc = msm_vidc_query_menu((void *)inst, qmenu);
- if (rc)
- i_vpr_e(inst, "%s: failed with %d\n", __func__, rc);
- inst_unlock(inst, __func__);
- put_inst(inst);
- return rc;
- }
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