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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2021-11-05 08:57:42 +0900
committerKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2021-11-08 07:26:10 +0900
commitd521ac24b8325e4e880c75683cec11555c219751 (patch)
tree24dd4e05966f360f27b70b5e2bc3ee172562de05 /wiki/Chat_log/20170523-core-chatlog
parent3df49e6eb5755a90a8df0d24340d4c69082d52f6 (diff)
add BSP 5.1.x upport request
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Diffstat (limited to 'wiki/Chat_log/20170523-core-chatlog')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 14:24:43 +0000
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/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*-
 * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
 *
 * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Rickard E. (Rik) Faith <faith@valinux.com>
 *    Gareth Hughes <gareth@valinux.com>
 *
 */

#include "drmP.h"

#ifndef __HAVE_DMA_WAITQUEUE
#define __HAVE_DMA_WAITQUEUE	0
#endif
#ifndef __HAVE_DMA_RECLAIM
#define __HAVE_DMA_RECLAIM	0
#endif
#ifndef __HAVE_SHARED_IRQ
#define __HAVE_SHARED_IRQ	0
#endif

#if __HAVE_DMA

int DRM(dma_setup)( drm_device_t *dev )
{

	dev->dma = DRM(calloc)(1, sizeof(*dev->dma), DRM_MEM_DRIVER);
	if (dev->dma == NULL)
		return DRM_ERR(ENOMEM);

	DRM_SPININIT(dev->dma_lock, "drmdma");

	return 0;
}

void DRM(dma_takedown)(drm_device_t *dev)
{
	drm_device_dma_t  *dma = dev->dma;
	int		  i, j;

	if (dma == NULL)
		return;

				/* Clear dma buffers */