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 static const struct nvkm_disp_oclass *
27 nv04_disp_root(struct nvkm_disp *disp)
29 return &nv04_disp_root_oclass;
33 nv04_disp_vblank_init(struct nvkm_disp *disp, int head)
35 struct nvkm_device *device = disp->engine.subdev.device;
36 nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000001);
40 nv04_disp_vblank_fini(struct nvkm_disp *disp, int head)
42 struct nvkm_device *device = disp->engine.subdev.device;
43 nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000000);
47 nv04_disp_intr(struct nvkm_disp *disp)
49 struct nvkm_subdev *subdev = &disp->engine.subdev;
50 struct nvkm_device *device = subdev->device;
51 u32 crtc0 = nvkm_rd32(device, 0x600100);
52 u32 crtc1 = nvkm_rd32(device, 0x602100);
55 if (crtc0 & 0x00000001) {
56 nvkm_disp_vblank(disp, 0);
57 nvkm_wr32(device, 0x600100, 0x00000001);
60 if (crtc1 & 0x00000001) {
61 nvkm_disp_vblank(disp, 1);
62 nvkm_wr32(device, 0x602100, 0x00000001);
65 if (device->chipset >= 0x10 && device->chipset <= 0x40) {
66 pvideo = nvkm_rd32(device, 0x8100);
68 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo);
69 nvkm_wr32(device, 0x8100, pvideo);
73 static const struct nvkm_disp_func
75 .intr = nv04_disp_intr,
76 .root = nv04_disp_root,
77 .head.vblank_init = nv04_disp_vblank_init,
78 .head.vblank_fini = nv04_disp_vblank_fini,
82 nv04_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
84 return nvkm_disp_new_(&nv04_disp, device, index, 2, pdisp);