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 "hdmi.h"
25
26 void
gt215_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)27 gt215_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet,
28 u8 rekey, u8 *avi, u8 avi_size, u8 *vendor, u8 vendor_size)
29 {
30 struct nvkm_device *device = ior->disp->engine.subdev.device;
31 const u32 ctrl = 0x40000000 * enable |
32 0x1f000000 /* ??? */ |
33 max_ac_packet << 16 |
34 rekey;
35 const u32 soff = nv50_ior_base(ior);
36 struct packed_hdmi_infoframe avi_infoframe;
37 struct packed_hdmi_infoframe vendor_infoframe;
38
39 pack_hdmi_infoframe(&avi_infoframe, avi, avi_size);
40 pack_hdmi_infoframe(&vendor_infoframe, vendor, vendor_size);
41
42 if (!(ctrl & 0x40000000)) {
43 nvkm_mask(device, 0x61c5a4 + soff, 0x40000000, 0x00000000);
44 nvkm_mask(device, 0x61c53c + soff, 0x00000001, 0x00000000);
45 nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
46 nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
47 return;
48 }
49
50 /* AVI InfoFrame */
51 nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
52 if (avi_size) {
53 nvkm_wr32(device, 0x61c528 + soff, avi_infoframe.header);
54 nvkm_wr32(device, 0x61c52c + soff, avi_infoframe.subpack0_low);
55 nvkm_wr32(device, 0x61c530 + soff, avi_infoframe.subpack0_high);
56 nvkm_wr32(device, 0x61c534 + soff, avi_infoframe.subpack1_low);
57 nvkm_wr32(device, 0x61c538 + soff, avi_infoframe.subpack1_high);
58 nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000001);
59 }
60
61 /* Audio InfoFrame */
62 nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
63 nvkm_wr32(device, 0x61c508 + soff, 0x000a0184);
64 nvkm_wr32(device, 0x61c50c + soff, 0x00000071);
65 nvkm_wr32(device, 0x61c510 + soff, 0x00000000);
66 nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000001);
67
68 /* Vendor InfoFrame */
69 nvkm_mask(device, 0x61c53c + soff, 0x00010001, 0x00010000);
70 if (vendor_size) {
71 nvkm_wr32(device, 0x61c544 + soff, vendor_infoframe.header);
72 nvkm_wr32(device, 0x61c548 + soff, vendor_infoframe.subpack0_low);
73 nvkm_wr32(device, 0x61c54c + soff, vendor_infoframe.subpack0_high);
74 /* Is there a second (or up to fourth?) set of subpack registers here? */
75 /* nvkm_wr32(device, 0x61c550 + soff, vendor_infoframe.subpack1_low); */
76 /* nvkm_wr32(device, 0x61c554 + soff, vendor_infoframe.subpack1_high); */
77 nvkm_mask(device, 0x61c53c + soff, 0x00010001, 0x00010001);
78 }
79
80 nvkm_mask(device, 0x61c5d0 + soff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
81 nvkm_mask(device, 0x61c568 + soff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
82 nvkm_mask(device, 0x61c578 + soff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
83
84 /* ??? */
85 nvkm_mask(device, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
86 nvkm_mask(device, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
87 nvkm_mask(device, 0x61733c, 0x00100000, 0x00000000); /* !RESETF */
88
89 /* HDMI_CTRL */
90 nvkm_mask(device, 0x61c5a4 + soff, 0x5f1f007f, ctrl);
91 }
92