365d8650f2
Add handling for VIDIOC_CREATE_BUFS ioctl in driver.
This ioctl is used to create buffers for memory mapped
or DMA buffer I/O.
It can be used as an alternative or in addition to the
ioctl VIDIOC_REQBUFS ioctl, when a tighter control over
buffers is required.
This ioctl can be called multiple times to create buffers
of different sizes.
Partially Fixes: v4l2-compliance:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF.
Change-Id: I9dd6c3f48e48e297b3e56fd4c8062869c8b55bee
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
76 行
2.8 KiB
C
76 行
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2020-2021,, The Linux Foundation. All rights reserved.
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*/
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#ifndef _MSM_VIDC_V4L2_H_
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#define _MSM_VIDC_V4L2_H_
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#include <linux/poll.h>
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#include <linux/fs.h>
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#include <media/v4l2-dev.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-ctrls.h>
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int msm_v4l2_open(struct file *filp);
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int msm_v4l2_close(struct file *filp);
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int msm_v4l2_querycap(struct file *filp, void *fh,
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struct v4l2_capability *cap);
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int msm_v4l2_enum_fmt(struct file *file, void *fh,
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struct v4l2_fmtdesc *f);
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int msm_v4l2_try_fmt(struct file *file, void *fh,
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struct v4l2_format *f);
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int msm_v4l2_s_fmt(struct file *file, void *fh,
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struct v4l2_format *f);
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int msm_v4l2_g_fmt(struct file *file, void *fh,
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struct v4l2_format *f);
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int msm_v4l2_s_selection(struct file* file, void* fh,
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struct v4l2_selection* s);
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int msm_v4l2_g_selection(struct file* file, void* fh,
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struct v4l2_selection* s);
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int msm_v4l2_s_parm(struct file *file, void *fh,
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struct v4l2_streamparm *a);
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int msm_v4l2_g_parm(struct file *file, void *fh,
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struct v4l2_streamparm *a);
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int msm_v4l2_reqbufs(struct file *file, void *fh,
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struct v4l2_requestbuffers *b);
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int msm_v4l2_querybuf(struct file *file, void *fh,
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struct v4l2_buffer *b);
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int msm_v4l2_create_bufs(struct file *filp, void *fh,
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struct v4l2_create_buffers *b);
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int msm_v4l2_qbuf(struct file *file, void *fh,
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struct v4l2_buffer *b);
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int msm_v4l2_dqbuf(struct file *file, void *fh,
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struct v4l2_buffer *b);
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int msm_v4l2_streamon(struct file *file, void *fh,
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enum v4l2_buf_type i);
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int msm_v4l2_streamoff(struct file *file, void *fh,
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enum v4l2_buf_type i);
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int msm_v4l2_subscribe_event(struct v4l2_fh *fh,
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const struct v4l2_event_subscription *sub);
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int msm_v4l2_unsubscribe_event(struct v4l2_fh *fh,
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const struct v4l2_event_subscription *sub);
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int msm_v4l2_try_decoder_cmd(struct file *file, void *fh,
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struct v4l2_decoder_cmd *enc);
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int msm_v4l2_decoder_cmd(struct file *file, void *fh,
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struct v4l2_decoder_cmd *dec);
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int msm_v4l2_try_encoder_cmd(struct file *file, void *fh,
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struct v4l2_encoder_cmd *enc);
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int msm_v4l2_encoder_cmd(struct file *file, void *fh,
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struct v4l2_encoder_cmd *enc);
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int msm_v4l2_enum_framesizes(struct file *file, void *fh,
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struct v4l2_frmsizeenum *fsize);
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int msm_v4l2_enum_frameintervals(struct file *file, void *fh,
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struct v4l2_frmivalenum *fival);
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int msm_v4l2_queryctrl(struct file *file, void *fh,
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struct v4l2_queryctrl *ctrl);
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int msm_v4l2_querymenu(struct file *file, void *fh,
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struct v4l2_querymenu *qmenu);
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unsigned int msm_v4l2_poll(struct file *filp,
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struct poll_table_struct *pt);
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int msm_v4l2_request_validate(struct media_request *req);
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void msm_v4l2_request_queue(struct media_request *req);
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void msm_v4l2_m2m_device_run(void *priv);
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void msm_v4l2_m2m_job_abort(void *priv);
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#endif // _MSM_VIDC_V4L2_H_
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