/* $NetBSD: drm_client.c,v 1.3 2021/12/19 11:07:55 riastradh Exp $ */
/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Taylor R. Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: drm_client.c,v 1.3 2021/12/19 11:07:55 riastradh Exp $");
#include <sys/kmem.h>
#include <linux/err.h>
#include <drm/drm_client.h>
#include <drm/drm_drv.h>
int
drm_client_init(struct drm_device *dev, struct drm_client_dev *client,
const char *name, const struct drm_client_funcs *funcs)
{
int ret;
client->dev = dev;
ret = drm_client_modeset_create(client);
if (ret)
goto out0;
drm_dev_get(dev);
return 0;
out0: return ret;
}
void
drm_client_register(struct drm_client_dev *client)
{
}
void
drm_client_release(struct drm_client_dev *client)
{
drm_client_modeset_free(client);
drm_dev_put(client->dev);
}
void
drm_client_dev_hotplug(struct drm_device *dev)
{
}
void
drm_client_dev_restore(struct drm_device *dev)
{
}
void
drm_client_dev_unregister(struct drm_device *dev)
{
}
struct drm_client_buffer *
drm_client_framebuffer_create(struct drm_client_dev *client,
u32 width, u32 height, u32 format)
{
struct drm_client_buffer *buffer;
buffer = kmem_zalloc(sizeof(*buffer), KM_SLEEP);
return buffer;
}
void *
drm_client_buffer_vmap(struct drm_client_buffer *buffer)
{
return ERR_PTR(-ENODEV);
}
void
drm_client_buffer_vunmap(struct drm_client_buffer *buffer)
{
panic("impossible");
}
void
drm_client_framebuffer_delete(struct drm_client_buffer *buffer)
{
kmem_free(buffer, sizeof(*buffer));
}