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 #include "head.h"
26 
27 static const struct nvkm_disp_oclass *
28 nv04_disp_root(struct nvkm_disp *disp)
29 {
30 	return &nv04_disp_root_oclass;
31 }
32 
33 static void
34 nv04_disp_intr(struct nvkm_disp *disp)
35 {
36 	struct nvkm_subdev *subdev = &disp->engine.subdev;
37 	struct nvkm_device *device = subdev->device;
38 	u32 crtc0 = nvkm_rd32(device, 0x600100);
39 	u32 crtc1 = nvkm_rd32(device, 0x602100);
40 	u32 pvideo;
41 
42 	if (crtc0 & 0x00000001) {
43 		nvkm_disp_vblank(disp, 0);
44 		nvkm_wr32(device, 0x600100, 0x00000001);
45 	}
46 
47 	if (crtc1 & 0x00000001) {
48 		nvkm_disp_vblank(disp, 1);
49 		nvkm_wr32(device, 0x602100, 0x00000001);
50 	}
51 
52 	if (device->chipset >= 0x10 && device->chipset <= 0x40) {
53 		pvideo = nvkm_rd32(device, 0x8100);
54 		if (pvideo & ~0x11)
55 			nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo);
56 		nvkm_wr32(device, 0x8100, pvideo);
57 	}
58 }
59 
60 static const struct nvkm_disp_func
61 nv04_disp = {
62 	.intr = nv04_disp_intr,
63 	.root = nv04_disp_root,
64 };
65 
66 int
67 nv04_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
68 	      struct nvkm_disp **pdisp)
69 {
70 	int ret, i;
71 
72 	ret = nvkm_disp_new_(&nv04_disp, device, type, inst, pdisp);
73 	if (ret)
74 		return ret;
75 
76 	for (i = 0; i < 2; i++) {
77 		ret = nv04_head_new(*pdisp, i);
78 		if (ret)
79 			return ret;
80 	}
81 
82 	return 0;
83 }
84