linux/drivers/staging/media/atomisp/pci/atomisp_fops.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Support for Medifield PNW Camera Imaging ISP subsystem.
 *
 * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
 *
 * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 *
 */

#include <linux/module.h>
#include <linux/pm_runtime.h>

#include <media/v4l2-ioctl.h>
#include <media/videobuf2-vmalloc.h>

#include "atomisp_cmd.h"
#include "atomisp_common.h"
#include "atomisp_fops.h"
#include "atomisp_internal.h"
#include "atomisp_ioctl.h"
#include "atomisp_compat.h"
#include "atomisp_subdev.h"
#include "atomisp_v4l2.h"
#include "atomisp-regs.h"
#include "hmm/hmm.h"

#include "ia_css_frame.h"
#include "type_support.h"
#include "device_access/device_access.h"

/*
 * Videobuf2 ops
 */
static int atomisp_queue_setup(struct vb2_queue *vq,
			       unsigned int *nbuffers, unsigned int *nplanes,
			       unsigned int sizes[], struct device *alloc_devs[])
{ … }

static int atomisp_buf_init(struct vb2_buffer *vb)
{ … }

static int atomisp_q_one_metadata_buffer(struct atomisp_sub_device *asd,
	enum atomisp_input_stream_id stream_id,
	enum ia_css_pipe_id css_pipe_id)
{ … }

static int atomisp_q_one_s3a_buffer(struct atomisp_sub_device *asd,
				    enum atomisp_input_stream_id stream_id,
				    enum ia_css_pipe_id css_pipe_id)
{ … }

static int atomisp_q_one_dis_buffer(struct atomisp_sub_device *asd,
				    enum atomisp_input_stream_id stream_id,
				    enum ia_css_pipe_id css_pipe_id)
{ … }

static int atomisp_q_video_buffers_to_css(struct atomisp_sub_device *asd,
					  struct atomisp_video_pipe *pipe,
					  enum atomisp_input_stream_id stream_id,
					  enum ia_css_buffer_type css_buf_type,
					  enum ia_css_pipe_id css_pipe_id)
{ … }

/* queue all available buffers to css */
int atomisp_qbuffers_to_css(struct atomisp_sub_device *asd)
{ … }

static void atomisp_buf_queue(struct vb2_buffer *vb)
{ … }

static void atomisp_buf_cleanup(struct vb2_buffer *vb)
{ … }

const struct vb2_ops atomisp_vb2_ops = …;

static void atomisp_dev_init_struct(struct atomisp_device *isp)
{ … }

static void atomisp_subdev_init_struct(struct atomisp_sub_device *asd)
{ … }

/*
 * file operation functions
 */
static int atomisp_open(struct file *file)
{ … }

static int atomisp_release(struct file *file)
{ … }

const struct v4l2_file_operations atomisp_fops = …;