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/*
* Copyright (C) 2008 Maarten Maathuis.
* 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 THE COPYRIGHT OWNER(S) 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.
*
*/
#include "drmP.h"
#include "drm_crtc_helper.h"
#include "nouveau_drv.h"
#include "nouveau_fb.h"
#include "nouveau_fbcon.h"
static void
nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
struct drm_device *dev = drm_fb->dev;
if (drm_fb->fbdev)
nouveau_fbcon_remove(dev, drm_fb);
if (fb->nvbo) {
mutex_lock(&dev->struct_mutex);
drm_gem_object_unreference(fb->nvbo->gem);
mutex_unlock(&dev->struct_mutex);
}
drm_framebuffer_cleanup(drm_fb);
kfree(fb);
}
static int
nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
struct drm_file *file_priv,
unsigned int *handle)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
}
static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
.destroy = nouveau_user_framebuffer_destroy,
.create_handle = nouveau_user_framebuffer_create_handle,
};
struct drm_framebuffer *
nouveau_framebuffer_create(struct drm_device *dev, struct nouveau_bo *nvbo,
struct drm_mode_fb_cmd *mode_cmd)
{
struct nouveau_framebuffer *fb;
int ret;
fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
if (!fb)
return NULL;
ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
if (ret) {
kfree(fb);
return NULL;
}
drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
fb->nvbo = nvbo;
return &fb->base;
}
static struct drm_framebuffer *
nouveau_user_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv,
struct drm_mode_fb_cmd *mode_cmd)
{
struct drm_framebuffer *fb;
struct drm_gem_object *gem;
gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
if (!gem)
return NULL;
fb = nouveau_framebuffer_create(dev, nouveau_gem_object(gem), mode_cmd);
if (!fb) {
drm_gem_object_unreference(gem);
return NULL;
}
return fb;
}
const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
.fb_create = nouveau_user_framebuffer_create,
.fb_changed = nouveau_fbcon_probe,
};
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