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.
26 #include <core/client.h>
27 #include <core/device.h>
29 #include <nvif/class.h>
30 #include <nvif/unpack.h>
32 struct nv04_disp_priv {
33 struct nvkm_disp base;
37 nv04_disp_scanoutpos(struct nvkm_object *object, struct nv04_disp_priv *priv,
38 void *data, u32 size, int head)
40 const u32 hoff = head * 0x2000;
42 struct nv04_disp_scanoutpos_v0 v0;
47 nv_ioctl(object, "disp scanoutpos size %d\n", size);
48 if (nvif_unpack(args->v0, 0, 0, false)) {
49 nv_ioctl(object, "disp scanoutpos vers %d\n", args->v0.version);
50 args->v0.vblanks = nv_rd32(priv, 0x680800 + hoff) & 0xffff;
51 args->v0.vtotal = nv_rd32(priv, 0x680804 + hoff) & 0xffff;
52 args->v0.vblanke = args->v0.vtotal - 1;
54 args->v0.hblanks = nv_rd32(priv, 0x680820 + hoff) & 0xffff;
55 args->v0.htotal = nv_rd32(priv, 0x680824 + hoff) & 0xffff;
56 args->v0.hblanke = args->v0.htotal - 1;
59 * If output is vga instead of digital then vtotal/htotal is
60 * invalid so we have to give up and trigger the timestamping
61 * fallback in the drm core.
63 if (!args->v0.vtotal || !args->v0.htotal)
66 args->v0.time[0] = ktime_to_ns(ktime_get());
67 line = nv_rd32(priv, 0x600868 + hoff);
68 args->v0.time[1] = ktime_to_ns(ktime_get());
69 args->v0.hline = (line & 0xffff0000) >> 16;
70 args->v0.vline = (line & 0x0000ffff);
78 nv04_disp_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
81 struct nv04_disp_mthd_v0 v0;
83 struct nv04_disp_priv *priv = (void *)object->engine;
86 nv_ioctl(object, "disp mthd size %d\n", size);
87 if (nvif_unpack(args->v0, 0, 0, true)) {
88 nv_ioctl(object, "disp mthd vers %d mthd %02x head %d\n",
89 args->v0.version, args->v0.method, args->v0.head);
90 mthd = args->v0.method;
95 if (head < 0 || head >= 2)
99 case NV04_DISP_SCANOUTPOS:
100 return nv04_disp_scanoutpos(object, priv, data, size, head);
108 static struct nvkm_ofuncs
110 .ctor = _nvkm_object_ctor,
111 .dtor = nvkm_object_destroy,
112 .init = nvkm_object_init,
113 .fini = nvkm_object_fini,
114 .mthd = nv04_disp_mthd,
115 .ntfy = nvkm_disp_ntfy,
118 static struct nvkm_oclass
119 nv04_disp_sclass[] = {
120 { NV04_DISP, &nv04_disp_ofuncs },
124 /*******************************************************************************
125 * Display engine implementation
126 ******************************************************************************/
129 nv04_disp_vblank_init(struct nvkm_event *event, int type, int head)
131 struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
132 nv_wr32(disp, 0x600140 + (head * 0x2000) , 0x00000001);
136 nv04_disp_vblank_fini(struct nvkm_event *event, int type, int head)
138 struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
139 nv_wr32(disp, 0x600140 + (head * 0x2000) , 0x00000000);
142 static const struct nvkm_event_func
143 nv04_disp_vblank_func = {
144 .ctor = nvkm_disp_vblank_ctor,
145 .init = nv04_disp_vblank_init,
146 .fini = nv04_disp_vblank_fini,
150 nv04_disp_intr(struct nvkm_subdev *subdev)
152 struct nv04_disp_priv *priv = (void *)subdev;
153 u32 crtc0 = nv_rd32(priv, 0x600100);
154 u32 crtc1 = nv_rd32(priv, 0x602100);
157 if (crtc0 & 0x00000001) {
158 nvkm_disp_vblank(&priv->base, 0);
159 nv_wr32(priv, 0x600100, 0x00000001);
162 if (crtc1 & 0x00000001) {
163 nvkm_disp_vblank(&priv->base, 1);
164 nv_wr32(priv, 0x602100, 0x00000001);
167 if (nv_device(priv)->chipset >= 0x10 &&
168 nv_device(priv)->chipset <= 0x40) {
169 pvideo = nv_rd32(priv, 0x8100);
171 nv_info(priv, "PVIDEO intr: %08x\n", pvideo);
172 nv_wr32(priv, 0x8100, pvideo);
177 nv04_disp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
178 struct nvkm_oclass *oclass, void *data, u32 size,
179 struct nvkm_object **pobject)
181 struct nv04_disp_priv *priv;
184 ret = nvkm_disp_create(parent, engine, oclass, 2, "DISPLAY",
186 *pobject = nv_object(priv);
190 nv_engine(priv)->sclass = nv04_disp_sclass;
191 nv_subdev(priv)->intr = nv04_disp_intr;
196 nv04_disp_oclass = &(struct nvkm_disp_impl) {
197 .base.handle = NV_ENGINE(DISP, 0x04),
198 .base.ofuncs = &(struct nvkm_ofuncs) {
199 .ctor = nv04_disp_ctor,
200 .dtor = _nvkm_disp_dtor,
201 .init = _nvkm_disp_init,
202 .fini = _nvkm_disp_fini,
204 .vblank = &nv04_disp_vblank_func,