/*
 * 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 = to_qxl(dev);
        struct qxl_bo *qobj;
        struct drm_gem_object *gobj;
        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;
        surf.data = 0;

        r = qxl_gem_object_create_with_handle(qdev, file_priv,
                                              QXL_GEM_DOMAIN_CPU,
                                              args->size, &surf, &gobj,
                                              &handle);
        if (r)
                return r;
        qobj = gem_to_qxl_bo(gobj);
        qobj->is_dumb = true;
        drm_gem_object_put(gobj);
        args->pitch = pitch;
        args->handle = handle;
        return 0;
}