1 /* $NetBSD: nouveau_nvkm_engine_disp_nv04.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $ */
2
3 /*
4 * Copyright 2012 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_nv04.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $");
28
29 #include "priv.h"
30 #include "head.h"
31
32 static const struct nvkm_disp_oclass *
nv04_disp_root(struct nvkm_disp * disp)33 nv04_disp_root(struct nvkm_disp *disp)
34 {
35 return &nv04_disp_root_oclass;
36 }
37
38 static void
nv04_disp_intr(struct nvkm_disp * disp)39 nv04_disp_intr(struct nvkm_disp *disp)
40 {
41 struct nvkm_subdev *subdev = &disp->engine.subdev;
42 struct nvkm_device *device = subdev->device;
43 u32 crtc0 = nvkm_rd32(device, 0x600100);
44 u32 crtc1 = nvkm_rd32(device, 0x602100);
45 u32 pvideo;
46
47 if (crtc0 & 0x00000001) {
48 nvkm_disp_vblank(disp, 0);
49 nvkm_wr32(device, 0x600100, 0x00000001);
50 }
51
52 if (crtc1 & 0x00000001) {
53 nvkm_disp_vblank(disp, 1);
54 nvkm_wr32(device, 0x602100, 0x00000001);
55 }
56
57 if (device->chipset >= 0x10 && device->chipset <= 0x40) {
58 pvideo = nvkm_rd32(device, 0x8100);
59 if (pvideo & ~0x11)
60 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo);
61 nvkm_wr32(device, 0x8100, pvideo);
62 }
63 }
64
65 static const struct nvkm_disp_func
66 nv04_disp = {
67 .intr = nv04_disp_intr,
68 .root = nv04_disp_root,
69 };
70
71 int
nv04_disp_new(struct nvkm_device * device,int index,struct nvkm_disp ** pdisp)72 nv04_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
73 {
74 int ret, i;
75
76 ret = nvkm_disp_new_(&nv04_disp, device, index, pdisp);
77 if (ret)
78 return ret;
79
80 for (i = 0; i < 2; i++) {
81 ret = nv04_head_new(*pdisp, i);
82 if (ret)
83 return ret;
84 }
85
86 return 0;
87 }
88