2 * Copyright 2007 Nouveau Project
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 #include "nouveau_private.h"
29 #if NOUVEAU_DRM_HEADER_PATCHLEVEL != 16
30 #error nouveau_drm.h does not match expected patchlevel, update libdrm.
34 nouveau_device_open_existing(struct nouveau_device **dev, int close,
35 int fd, drm_context_t ctx)
37 struct nouveau_device_priv *nvdev;
45 ver = drmGetVersion(fd);
46 if (!ver || ver->version_patchlevel != NOUVEAU_DRM_HEADER_PATCHLEVEL)
50 nvdev = calloc(1, sizeof(*nvdev));
55 nvdev->needs_close = close;
57 ret = nouveau_device_get_param(&nvdev->base,
58 NOUVEAU_GETPARAM_VM_VRAM_BASE, &value);
60 nouveau_device_close((void *)&nvdev);
63 nvdev->base.vm_vram_base = value;
65 ret = nouveau_device_get_param(&nvdev->base,
66 NOUVEAU_GETPARAM_FB_SIZE, &value);
68 nouveau_device_close((void *)&nvdev);
71 nvdev->base.vm_vram_size = value;
73 ret = nouveau_device_get_param(&nvdev->base,
74 NOUVEAU_GETPARAM_AGP_SIZE, &value);
76 nouveau_device_close((void *)&nvdev);
79 nvdev->base.vm_gart_size = value;
81 ret = nouveau_bo_init(&nvdev->base);
83 nouveau_device_close((void *)&nvdev);
87 ret = nouveau_device_get_param(&nvdev->base,
88 NOUVEAU_GETPARAM_CHIPSET_ID, &value);
90 nouveau_device_close((void *)&nvdev);
93 nvdev->base.chipset = value;
100 nouveau_device_open(struct nouveau_device **dev, const char *busid)
108 fd = drmOpen("nouveau", busid);
112 ret = drmCreateContext(fd, &ctx);
118 ret = nouveau_device_open_existing(dev, 1, fd, ctx);
120 drmDestroyContext(fd, ctx);
129 nouveau_device_close(struct nouveau_device **dev)
131 struct nouveau_device_priv *nvdev;
135 nvdev = nouveau_device(*dev);
138 nouveau_bo_takedown(&nvdev->base);
140 if (nvdev->needs_close) {
141 drmDestroyContext(nvdev->fd, nvdev->ctx);
148 nouveau_device_get_param(struct nouveau_device *dev,
149 uint64_t param, uint64_t *value)
151 struct nouveau_device_priv *nvdev = nouveau_device(dev);
152 struct drm_nouveau_getparam g;
155 if (!nvdev || !value)
159 ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GETPARAM,
169 nouveau_device_set_param(struct nouveau_device *dev,
170 uint64_t param, uint64_t value)
172 struct nouveau_device_priv *nvdev = nouveau_device(dev);
173 struct drm_nouveau_setparam s;
181 ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_SETPARAM,