1 /*
2 * Copyright 2018 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 #include "hdmi.h"
23
24 void
gv100_hdmi_ctrl(struct nvkm_ior * ior,int head,bool enable,u8 max_ac_packet,u8 rekey,u8 * avi,u8 avi_size,u8 * vendor,u8 vendor_size)25 gv100_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet,
26 u8 rekey, u8 *avi, u8 avi_size, u8 *vendor, u8 vendor_size)
27 {
28 struct nvkm_device *device = ior->disp->engine.subdev.device;
29 const u32 ctrl = 0x40000000 * enable |
30 max_ac_packet << 16 |
31 rekey;
32 const u32 hoff = head * 0x800;
33 const u32 hdmi = head * 0x400;
34 struct packed_hdmi_infoframe avi_infoframe;
35 struct packed_hdmi_infoframe vendor_infoframe;
36
37 pack_hdmi_infoframe(&avi_infoframe, avi, avi_size);
38 pack_hdmi_infoframe(&vendor_infoframe, vendor, vendor_size);
39
40 if (!(ctrl & 0x40000000)) {
41 nvkm_mask(device, 0x6165c0 + hoff, 0x40000000, 0x00000000);
42 nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000000);
43 nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000);
44 nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000);
45 return;
46 }
47
48 /* AVI InfoFrame (AVI). */
49 nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000);
50 if (avi_size) {
51 nvkm_wr32(device, 0x6f0008 + hdmi, avi_infoframe.header);
52 nvkm_wr32(device, 0x6f000c + hdmi, avi_infoframe.subpack0_low);
53 nvkm_wr32(device, 0x6f0010 + hdmi, avi_infoframe.subpack0_high);
54 nvkm_wr32(device, 0x6f0014 + hdmi, avi_infoframe.subpack1_low);
55 nvkm_wr32(device, 0x6f0018 + hdmi, avi_infoframe.subpack1_high);
56 nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000001);
57 }
58
59 /* Vendor-specific InfoFrame (VSI). */
60 nvkm_mask(device, 0x6f0100 + hdmi, 0x00010001, 0x00000000);
61 if (vendor_size) {
62 nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header);
63 nvkm_wr32(device, 0x6f010c + hdmi, vendor_infoframe.subpack0_low);
64 nvkm_wr32(device, 0x6f0110 + hdmi, vendor_infoframe.subpack0_high);
65 nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000);
66 nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000);
67 nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000);
68 nvkm_wr32(device, 0x6f0120 + hdmi, 0x00000000);
69 nvkm_wr32(device, 0x6f0124 + hdmi, 0x00000000);
70 nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000001);
71 }
72
73
74 /* General Control (GCP). */
75 nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000);
76 nvkm_wr32(device, 0x6f00cc + hdmi, 0x00000010);
77 nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000001);
78
79 /* Audio Clock Regeneration (ACR). */
80 nvkm_wr32(device, 0x6f0080 + hdmi, 0x82000000);
81
82 /* NV_PDISP_SF_HDMI_CTRL. */
83 nvkm_mask(device, 0x6165c0 + hoff, 0x401f007f, ctrl);
84 }
85