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
26 #include "nouveau_private.h"
29 nouveau_grobj_alloc(struct nouveau_channel *chan, uint32_t handle,
30 int class, struct nouveau_grobj **grobj)
32 struct nouveau_device_priv *nvdev = nouveau_device(chan->device);
33 struct nouveau_grobj_priv *nvgrobj;
34 struct drm_nouveau_grobj_alloc g;
37 if (!nvdev || !grobj || *grobj)
40 nvgrobj = calloc(1, sizeof(*nvgrobj));
43 nvgrobj->base.channel = chan;
44 nvgrobj->base.handle = handle;
45 nvgrobj->base.grclass = class;
46 nvgrobj->base.bound = NOUVEAU_GROBJ_UNBOUND;
47 nvgrobj->base.subc = -1;
52 ret = drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GROBJ_ALLOC,
55 nouveau_grobj_free((void *)&nvgrobj);
59 *grobj = &nvgrobj->base;
64 nouveau_grobj_ref(struct nouveau_channel *chan, uint32_t handle,
65 struct nouveau_grobj **grobj)
67 struct nouveau_grobj_priv *nvgrobj;
69 if (!chan || !grobj || *grobj)
72 nvgrobj = calloc(1, sizeof(struct nouveau_grobj_priv));
75 nvgrobj->base.channel = chan;
76 nvgrobj->base.handle = handle;
77 nvgrobj->base.grclass = 0;
79 *grobj = &nvgrobj->base;
84 nouveau_grobj_free(struct nouveau_grobj **grobj)
86 struct nouveau_device_priv *nvdev;
87 struct nouveau_channel_priv *chan;
88 struct nouveau_grobj_priv *nvgrobj;
90 if (!grobj || !*grobj)
92 nvgrobj = nouveau_grobj(*grobj);
96 chan = nouveau_channel(nvgrobj->base.channel);
97 nvdev = nouveau_device(chan->base.device);
99 if (nvgrobj->base.grclass) {
100 struct drm_nouveau_gpuobj_free f;
102 FIRE_RING(&chan->base);
104 f.channel = chan->drm.channel;
105 f.handle = nvgrobj->base.handle;
106 drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GPUOBJ_FREE,
113 nouveau_grobj_autobind(struct nouveau_grobj *grobj)
115 struct nouveau_subchannel *subc = NULL;
118 for (i = 0; i < 8; i++) {
119 struct nouveau_subchannel *scc = &grobj->channel->subc[i];
121 if (scc->gr && scc->gr->bound == NOUVEAU_GROBJ_BOUND_EXPLICIT)
124 if (!subc || scc->sequence < subc->sequence)
129 subc->gr->bound = NOUVEAU_GROBJ_UNBOUND;
134 subc->gr->bound = NOUVEAU_GROBJ_BOUND;
135 subc->gr->subc = subc - &grobj->channel->subc[0];
137 BEGIN_RING(grobj->channel, grobj, 0x0000, 1);
138 OUT_RING (grobj->channel, grobj->handle);