1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: Ben Skeggs
23 */
24 #include "priv.h"
25
26 static const struct nvkm_disp_oclass *
nv04_disp_root(struct nvkm_disp * disp)27 nv04_disp_root(struct nvkm_disp *disp)
28 {
29 return &nv04_disp_root_oclass;
30 }
31
32 static void
nv04_disp_vblank_init(struct nvkm_disp * disp,int head)33 nv04_disp_vblank_init(struct nvkm_disp *disp, int head)
34 {
35 struct nvkm_device *device = disp->engine.subdev.device;
36 nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000001);
37 }
38
39 static void
nv04_disp_vblank_fini(struct nvkm_disp * disp,int head)40 nv04_disp_vblank_fini(struct nvkm_disp *disp, int head)
41 {
42 struct nvkm_device *device = disp->engine.subdev.device;
43 nvkm_wr32(device, 0x600140 + (head * 0x2000) , 0x00000000);
44 }
45
46 static void
nv04_disp_intr(struct nvkm_disp * disp)47 nv04_disp_intr(struct nvkm_disp *disp)
48 {
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);
53 u32 pvideo;
54
55 if (crtc0 & 0x00000001) {
56 nvkm_disp_vblank(disp, 0);
57 nvkm_wr32(device, 0x600100, 0x00000001);
58 }
59
60 if (crtc1 & 0x00000001) {
61 nvkm_disp_vblank(disp, 1);
62 nvkm_wr32(device, 0x602100, 0x00000001);
63 }
64
65 if (device->chipset >= 0x10 && device->chipset <= 0x40) {
66 pvideo = nvkm_rd32(device, 0x8100);
67 if (pvideo & ~0x11)
68 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo);
69 nvkm_wr32(device, 0x8100, pvideo);
70 }
71 }
72
73 static const struct nvkm_disp_func
74 nv04_disp = {
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,
79 };
80
81 int
nv04_disp_new(struct nvkm_device * device,int index,struct nvkm_disp ** pdisp)82 nv04_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
83 {
84 return nvkm_disp_new_(&nv04_disp, device, index, 2, pdisp);
85 }
86