mirror of
https://github.com/hardkernel/kernel_common_drivers.git
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wanwei.jiang
15656eb157
PD#SWPL-77521 Problem: porting media driver from kernel 5.4 Solution: porting media driver from kernel 5.4 Verify: s4d and C2 AF400 Change-Id: I63bb8316e271db8b7d0e6e524399ebde9a1456a6 Signed-off-by: wanwei.jiang <wanwei.jiang@amlogic.com>
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* drivers/amlogic/media/video_processor/video_dev/common/vfutil.c
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*
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* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#include <linux/version.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/spinlock.h>
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#include <linux/interrupt.h>
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/* #include <linux/fiq_bridge.h> */
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#include <linux/fs.h>
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/* #include <mach/am_regs.h> */
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#include <linux/string.h>
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#include <linux/io.h>
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#include <linux/mm.h>
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#include <linux/major.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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#include <linux/platform_device.h>
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#include <linux/ctype.h>
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#ifdef CONFIG_AMLOGIC_MEDIA_FRAME_SYNC
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#include <linux/amlogic/media/frame_sync/ptsserv.h>
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#include <linux/amlogic/media/frame_sync/timestamp.h>
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#include <linux/amlogic/media/frame_sync/tsync.h>
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#endif
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#include <linux/amlogic/media/canvas/canvas.h>
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#include <linux/amlogic/media/vfm/vframe.h>
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#include <linux/amlogic/media/vfm/vframe_provider.h>
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#include <linux/amlogic/media/utils/amstream.h>
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#include <linux/amlogic/media/vout/vout_notify.h>
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#include <linux/sched.h>
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#include <linux/poll.h>
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#include <linux/clk.h>
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static struct vframe_provider_s *vfp;
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static DEFINE_SPINLOCK(lock);
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void v4l_reg_provider(struct vframe_provider_s *prov)
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{
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ulong flags;
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spin_lock_irqsave(&lock, flags);
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#ifdef CONFIG_AMLOGIC_MEDIA_VFM
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if (vfp)
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vf_unreg_provider(vfp);
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#endif
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vfp = prov;
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spin_unlock_irqrestore(&lock, flags);
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}
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void v4l_unreg_provider(void)
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{
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ulong flags;
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/* int deinterlace_mode = get_deinterlace_mode(); */
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spin_lock_irqsave(&lock, flags);
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vfp = NULL;
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/* if (deinterlace_mode == 2) { */
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/* disable_pre_deinterlace(); */
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/* } */
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/* printk("-----%s------\n",__func__); */
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spin_unlock_irqrestore(&lock, flags);
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}
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const struct vframe_provider_s *v4l_get_vfp(void)
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{
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return vfp;
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}
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