88 строки
2.5 KiB
C
88 строки
2.5 KiB
C
/*
|
|
* Copyright 2013 Red Hat Inc.
|
|
*
|
|
* 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 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 HOLDER(S) OR AUTHOR(S) 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: Dave Airlie
|
|
* Alon Levy
|
|
*/
|
|
|
|
#include "qxl_drv.h"
|
|
#include "qxl_object.h"
|
|
|
|
/* dumb ioctls implementation */
|
|
|
|
int qxl_mode_dumb_create(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args)
|
|
{
|
|
struct qxl_device *qdev = dev->dev_private;
|
|
struct qxl_bo *qobj;
|
|
uint32_t handle;
|
|
int r;
|
|
struct qxl_surface surf;
|
|
uint32_t pitch, format;
|
|
pitch = args->width * ((args->bpp + 1) / 8);
|
|
args->size = pitch * args->height;
|
|
args->size = ALIGN(args->size, PAGE_SIZE);
|
|
|
|
switch (args->bpp) {
|
|
case 16:
|
|
format = SPICE_SURFACE_FMT_16_565;
|
|
break;
|
|
case 32:
|
|
format = SPICE_SURFACE_FMT_32_xRGB;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
surf.width = args->width;
|
|
surf.height = args->height;
|
|
surf.stride = pitch;
|
|
surf.format = format;
|
|
r = qxl_gem_object_create_with_handle(qdev, file_priv,
|
|
QXL_GEM_DOMAIN_VRAM,
|
|
args->size, &surf, &qobj,
|
|
&handle);
|
|
if (r)
|
|
return r;
|
|
qobj->is_dumb = true;
|
|
args->pitch = pitch;
|
|
args->handle = handle;
|
|
return 0;
|
|
}
|
|
|
|
int qxl_mode_dumb_mmap(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
uint32_t handle, uint64_t *offset_p)
|
|
{
|
|
struct drm_gem_object *gobj;
|
|
struct qxl_bo *qobj;
|
|
|
|
BUG_ON(!offset_p);
|
|
gobj = drm_gem_object_lookup(file_priv, handle);
|
|
if (gobj == NULL)
|
|
return -ENOENT;
|
|
qobj = gem_to_qxl_bo(gobj);
|
|
*offset_p = qxl_bo_mmap_offset(qobj);
|
|
drm_gem_object_put_unlocked(gobj);
|
|
return 0;
|
|
}
|