1 /* 2 * Copyright 2013 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Dave Airlie 23 * Alon Levy 24 */ 25 26 #include "qxl_drv.h" 27 #include "qxl_object.h" 28 29 /* dumb ioctls implementation */ 30 31 int qxl_mode_dumb_create(struct drm_file *file_priv, 32 struct drm_device *dev, 33 struct drm_mode_create_dumb *args) 34 { 35 struct qxl_device *qdev = dev->dev_private; 36 struct qxl_bo *qobj; 37 uint32_t handle; 38 int r; 39 struct qxl_surface surf; 40 uint32_t pitch, format; 41 pitch = args->width * ((args->bpp + 1) / 8); 42 args->size = pitch * args->height; 43 args->size = ALIGN(args->size, PAGE_SIZE); 44 45 switch (args->bpp) { 46 case 16: 47 format = SPICE_SURFACE_FMT_16_565; 48 break; 49 case 32: 50 format = SPICE_SURFACE_FMT_32_xRGB; 51 break; 52 default: 53 return -EINVAL; 54 } 55 56 surf.width = args->width; 57 surf.height = args->height; 58 surf.stride = pitch; 59 surf.format = format; 60 r = qxl_gem_object_create_with_handle(qdev, file_priv, 61 QXL_GEM_DOMAIN_VRAM, 62 args->size, &surf, &qobj, 63 &handle); 64 if (r) 65 return r; 66 args->pitch = pitch; 67 args->handle = handle; 68 return 0; 69 } 70 71 int qxl_mode_dumb_mmap(struct drm_file *file_priv, 72 struct drm_device *dev, 73 uint32_t handle, uint64_t *offset_p) 74 { 75 struct drm_gem_object *gobj; 76 struct qxl_bo *qobj; 77 78 BUG_ON(!offset_p); 79 gobj = drm_gem_object_lookup(dev, file_priv, handle); 80 if (gobj == NULL) 81 return -ENOENT; 82 qobj = gem_to_qxl_bo(gobj); 83 *offset_p = qxl_bo_mmap_offset(qobj); 84 drm_gem_object_unreference_unlocked(gobj); 85 return 0; 86 } 87