2 * Copyright 2012 Red Hat Inc.
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 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.
25 #include <subdev/bar.h>
27 #include <engine/software.h>
28 #include <engine/disp.h>
30 struct nv50_disp_priv {
31 struct nouveau_disp base;
34 static struct nouveau_oclass
35 nv50_disp_sclass[] = {
40 nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc)
42 struct nouveau_bar *bar = nouveau_bar(priv);
43 struct nouveau_disp *disp = &priv->base;
44 struct nouveau_software_chan *chan, *temp;
47 spin_lock_irqsave(&disp->vblank.lock, flags);
48 list_for_each_entry_safe(chan, temp, &disp->vblank.list, vblank.head) {
49 if (chan->vblank.crtc != crtc)
52 if (nv_device(priv)->chipset == 0x50) {
53 nv_wr32(priv, 0x001704, chan->vblank.channel);
54 nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
56 nv_wr32(priv, 0x001570, chan->vblank.offset);
57 nv_wr32(priv, 0x001574, chan->vblank.value);
59 nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
61 nv_wr32(priv, 0x06000c,
62 upper_32_bits(chan->vblank.offset));
63 nv_wr32(priv, 0x060010,
64 lower_32_bits(chan->vblank.offset));
65 nv_wr32(priv, 0x060014, chan->vblank.value);
68 list_del(&chan->vblank.head);
70 disp->vblank.put(disp->vblank.data, crtc);
72 spin_unlock_irqrestore(&disp->vblank.lock, flags);
74 if (disp->vblank.notify)
75 disp->vblank.notify(disp->vblank.data, crtc);
79 nv50_disp_intr(struct nouveau_subdev *subdev)
81 struct nv50_disp_priv *priv = (void *)subdev;
82 u32 stat1 = nv_rd32(priv, 0x610024);
84 if (stat1 & 0x00000004) {
85 nv50_disp_intr_vblank(priv, 0);
86 nv_wr32(priv, 0x610024, 0x00000004);
90 if (stat1 & 0x00000008) {
91 nv50_disp_intr_vblank(priv, 1);
92 nv_wr32(priv, 0x610024, 0x00000008);
99 nv50_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
100 struct nouveau_oclass *oclass, void *data, u32 size,
101 struct nouveau_object **pobject)
103 struct nv50_disp_priv *priv;
106 ret = nouveau_disp_create(parent, engine, oclass, "PDISP",
108 *pobject = nv_object(priv);
112 nv_engine(priv)->sclass = nv50_disp_sclass;
113 nv_subdev(priv)->intr = nv50_disp_intr;
115 INIT_LIST_HEAD(&priv->base.vblank.list);
116 spin_lock_init(&priv->base.vblank.lock);
120 struct nouveau_oclass
122 .handle = NV_ENGINE(DISP, 0x50),
123 .ofuncs = &(struct nouveau_ofuncs) {
124 .ctor = nv50_disp_ctor,
125 .dtor = _nouveau_disp_dtor,
126 .init = _nouveau_disp_init,
127 .fini = _nouveau_disp_fini,