1 /*
2 * Copyright 2014 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 "nv50.h"
25
26 #include <core/client.h>
27
28 #include <nvif/class.h>
29 #include <nvif/unpack.h>
30
31 int
gk104_hdmi_ctrl(NV50_DISP_MTHD_V1)32 gk104_hdmi_ctrl(NV50_DISP_MTHD_V1)
33 {
34 struct nvkm_device *device = disp->base.engine.subdev.device;
35 const u32 hoff = (head * 0x800);
36 const u32 hdmi = (head * 0x400);
37 union {
38 struct nv50_disp_sor_hdmi_pwr_v0 v0;
39 } *args = data;
40 u32 ctrl;
41 int ret;
42
43 nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
44 if (nvif_unpack(args->v0, 0, 0, false)) {
45 nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
46 "max_ac_packet %d rekey %d\n",
47 args->v0.version, args->v0.state,
48 args->v0.max_ac_packet, args->v0.rekey);
49 if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
50 return -EINVAL;
51 ctrl = 0x40000000 * !!args->v0.state;
52 ctrl |= args->v0.max_ac_packet << 16;
53 ctrl |= args->v0.rekey;
54 } else
55 return ret;
56
57 if (!(ctrl & 0x40000000)) {
58 nvkm_mask(device, 0x616798 + hoff, 0x40000000, 0x00000000);
59 nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
60 nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000);
61 return 0;
62 }
63
64 /* AVI InfoFrame */
65 nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000);
66 nvkm_wr32(device, 0x690008 + hdmi, 0x000d0282);
67 nvkm_wr32(device, 0x69000c + hdmi, 0x0000006f);
68 nvkm_wr32(device, 0x690010 + hdmi, 0x00000000);
69 nvkm_wr32(device, 0x690014 + hdmi, 0x00000000);
70 nvkm_wr32(device, 0x690018 + hdmi, 0x00000000);
71 nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000001);
72
73 /* ??? InfoFrame? */
74 nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
75 nvkm_wr32(device, 0x6900cc + hdmi, 0x00000010);
76 nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000001);
77
78 /* ??? */
79 nvkm_wr32(device, 0x690080 + hdmi, 0x82000000);
80
81 /* HDMI_CTRL */
82 nvkm_mask(device, 0x616798 + hoff, 0x401f007f, ctrl);
83 return 0;
84 }
85