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
25 #include <core/client.h>
26 #include <nvif/unpack.h>
27 #include <nvif/class.h>
28
29 #include "nv50.h"
30
31 int
nvd0_hdmi_ctrl(NV50_DISP_MTHD_V1)32 nvd0_hdmi_ctrl(NV50_DISP_MTHD_V1)
33 {
34 const u32 hoff = (head * 0x800);
35 union {
36 struct nv50_disp_sor_hdmi_pwr_v0 v0;
37 } *args = data;
38 u32 ctrl;
39 int ret;
40
41 nv_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
42 if (nvif_unpack(args->v0, 0, 0, false)) {
43 nv_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
44 "max_ac_packet %d rekey %d\n",
45 args->v0.version, args->v0.state,
46 args->v0.max_ac_packet, args->v0.rekey);
47 if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
48 return -EINVAL;
49 ctrl = 0x40000000 * !!args->v0.state;
50 ctrl |= args->v0.max_ac_packet << 16;
51 ctrl |= args->v0.rekey;
52 } else
53 return ret;
54
55 if (!(ctrl & 0x40000000)) {
56 nv_mask(priv, 0x616798 + hoff, 0x40000000, 0x00000000);
57 nv_mask(priv, 0x6167a4 + hoff, 0x00000001, 0x00000000);
58 nv_mask(priv, 0x616714 + hoff, 0x00000001, 0x00000000);
59 return 0;
60 }
61
62 /* AVI InfoFrame */
63 nv_mask(priv, 0x616714 + hoff, 0x00000001, 0x00000000);
64 nv_wr32(priv, 0x61671c + hoff, 0x000d0282);
65 nv_wr32(priv, 0x616720 + hoff, 0x0000006f);
66 nv_wr32(priv, 0x616724 + hoff, 0x00000000);
67 nv_wr32(priv, 0x616728 + hoff, 0x00000000);
68 nv_wr32(priv, 0x61672c + hoff, 0x00000000);
69 nv_mask(priv, 0x616714 + hoff, 0x00000001, 0x00000001);
70
71 /* ??? InfoFrame? */
72 nv_mask(priv, 0x6167a4 + hoff, 0x00000001, 0x00000000);
73 nv_wr32(priv, 0x6167ac + hoff, 0x00000010);
74 nv_mask(priv, 0x6167a4 + hoff, 0x00000001, 0x00000001);
75
76 /* HDMI_CTRL */
77 nv_mask(priv, 0x616798 + hoff, 0x401f007f, ctrl);
78 return 0;
79 }
80