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"
30 nouveau_device_open_existing(struct nouveau_device **dev, int close,
31 int fd, drm_context_t ctx)
33 struct nouveau_device_priv *nvdev;
41 nvdev = calloc(1, sizeof(*nvdev));
46 nvdev->needs_close = close;
48 ver = drmGetVersion(fd);
52 if ((ver->version_major == 0 && ver->version_patchlevel != 16) ||
53 ver->version_major > 1) {
54 nouveau_device_close((void *)&nvdev);
60 ret = nouveau_device_get_param(&nvdev->base,
61 NOUVEAU_GETPARAM_VM_VRAM_BASE, &value);
63 nouveau_device_close((void *)&nvdev);
66 nvdev->base.vm_vram_base = value;
68 ret = nouveau_device_get_param(&nvdev->base,
69 NOUVEAU_GETPARAM_FB_SIZE, &value);
71 nouveau_device_close((void *)&nvdev);
74 nvdev->base.vm_vram_size = value;
76 ret = nouveau_device_get_param(&nvdev->base,
77 NOUVEAU_GETPARAM_AGP_SIZE, &value);
79 nouveau_device_close((void *)&nvdev);
82 nvdev->base.vm_gart_size = value;
84 ret = nouveau_bo_init(&nvdev->base);
86 nouveau_device_close((void *)&nvdev);
90 ret = nouveau_device_get_param(&nvdev->base,
91 NOUVEAU_GETPARAM_CHIPSET_ID, &value);
93 nouveau_device_close((void *)&nvdev);
96 nvdev->base.chipset = value;
98 ret = nouveau_device_get_param(&nvdev->base,
99 NOUVEAU_GETPARAM_HAS_BO_USAGE, &value);
101 nvdev->has_bo_usage = value;
108 nouveau_device_open(struct nouveau_device **dev, const char *busid)
116 fd = drmOpen("nouveau", busid);
120 ret = drmCreateContext(fd, &ctx);
126 ret = nouveau_device_open_existing(dev, 1, fd, ctx);
128 drmDestroyContext(fd, ctx);
137 nouveau_device_close(struct nouveau_device **dev)
139 struct nouveau_device_priv *nvdev;
143 nvdev = nouveau_device(*dev);
146 nouveau_bo_takedown(&nvdev->base);
148 if (nvdev->needs_close) {
149 drmDestroyContext(nvdev->fd, nvdev->ctx);
156 nouveau_device_get_param(struct nouveau_device *dev,
157 uint64_t param, uint64_t *value)
159 struct nouveau_device_priv *nvdev = nouveau_device(dev);
160 struct drm_nouveau_getparam g;
163 if (!nvdev || !value)
167 ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GETPARAM,
177 nouveau_device_set_param(struct nouveau_device *dev,
178 uint64_t param, uint64_t value)
180 struct nouveau_device_priv *nvdev = nouveau_device(dev);
181 struct drm_nouveau_setparam s;
189 ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_SETPARAM,