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/* $NetBSD: drm_client.h,v 1.2 2021/12/19 12:04:59 riastradh Exp $ */
/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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.
*/
#ifndef _DRM_DRM_CLIENT_H_
#define _DRM_DRM_CLIENT_H_
#include <linux/mutex.h>
struct drm_client_buffer;
struct drm_client_dev;
struct drm_client_funcs;
struct drm_device;
struct drm_mode_set;
struct drm_client_dev {
struct mutex modeset_mutex;
struct drm_mode_set *modesets;
struct drm_framebuffer *fb;
struct drm_device *dev;
const struct drm_client_funcs *funcs;
};
struct drm_client_funcs {
struct module *owner;
void (*unregister)(struct drm_client_dev *);
int (*restore)(struct drm_client_dev *);
int (*hotplug)(struct drm_client_dev *);
};
struct drm_client_buffer {
struct drm_framebuffer *fb;
};
int drm_client_init(struct drm_device *, struct drm_client_dev *,
const char *, const struct drm_client_funcs *);
void drm_client_register(struct drm_client_dev *);
void drm_client_release(struct drm_client_dev *);
void drm_client_dev_hotplug(struct drm_device *);
void drm_client_dev_restore(struct drm_device *);
void drm_client_dev_unregister(struct drm_device *);
struct drm_client_buffer *
drm_client_framebuffer_create(struct drm_client_dev *, u32, u32, u32);
void *drm_client_buffer_vmap(struct drm_client_buffer *);
void drm_client_buffer_vunmap(struct drm_client_buffer *);
void drm_client_framebuffer_delete(struct drm_client_buffer *);
int drm_client_modeset_create(struct drm_client_dev *);
int drm_client_modeset_probe(struct drm_client_dev *, unsigned, unsigned);
bool drm_client_rotation(struct drm_mode_set *, unsigned *);
int drm_client_modeset_commit_force(struct drm_client_dev *);
int drm_client_modeset_commit(struct drm_client_dev *);
int drm_client_modeset_dpms(struct drm_client_dev *, int);
void drm_client_modeset_free(struct drm_client_dev *);
#define drm_client_for_each_modeset(MODESET, CLIENT) \
KASSERT(mutex_is_locked(&(CLIENT)->modeset_mutex)); \
drm_client_for_each_modeset_unlocked(MODESET, CLIENT)
#define drm_client_for_each_modeset_unlocked(MODESET, CLIENT) \
for ((MODESET) = (CLIENT)->modesets; (MODESET)->crtc; (MODESET)++)
#define drm_client_for_each_connector_iter(CONNECTOR, ITER) \
drm_for_each_connector_iter(CONNECTOR, ITER) \
if ((CONNECTOR)->connector_type != \
DRM_MODE_CONNECTOR_WRITEBACK)
#endif /* _DRM_DRM_CLIENT_H_ */
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