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25575b41 BS |
1 | /* |
2 | * Copyright 2011 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 "drmP.h" | |
26 | #include "nouveau_drv.h" | |
27 | #include "nouveau_connector.h" | |
28 | #include "nouveau_encoder.h" | |
29 | ||
30 | static bool | |
31 | hdmi_sor(struct drm_encoder *encoder) | |
32 | { | |
33 | struct drm_nouveau_private *dev_priv = encoder->dev->dev_private; | |
34 | if (dev_priv->chipset < 0xa3) | |
35 | return false; | |
36 | return true; | |
37 | } | |
38 | ||
39 | static void | |
40 | nouveau_audio_disconnect(struct drm_encoder *encoder) | |
41 | { | |
42 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
43 | struct drm_device *dev = encoder->dev; | |
44 | int or = nv_encoder->or * 0x800; | |
45 | ||
46 | if (hdmi_sor(encoder)) { | |
47 | nv_mask(dev, 0x61c448 + or, 0x00000003, 0x00000000); | |
48 | } | |
49 | } | |
50 | ||
51 | static void | |
52 | nouveau_audio_mode_set(struct drm_encoder *encoder, | |
53 | struct drm_display_mode *mode) | |
54 | { | |
55 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
56 | struct nouveau_connector *nv_connector; | |
57 | struct drm_device *dev = encoder->dev; | |
58 | u32 or = nv_encoder->or * 0x800; | |
59 | int i; | |
60 | ||
61 | nv_connector = nouveau_encoder_connector_get(nv_encoder); | |
62 | if (!drm_detect_monitor_audio(nv_connector->edid)) { | |
63 | nouveau_audio_disconnect(encoder); | |
64 | return; | |
65 | } | |
66 | ||
67 | if (hdmi_sor(encoder)) { | |
68 | nv_mask(dev, 0x61c448 + or, 0x00000001, 0x00000001); | |
69 | ||
70 | drm_edid_to_eld(&nv_connector->base, nv_connector->edid); | |
71 | if (nv_connector->base.eld[0]) { | |
72 | u8 *eld = nv_connector->base.eld; | |
73 | for (i = 0; i < eld[2] * 4; i++) | |
74 | nv_wr32(dev, 0x61c440 + or, (i << 8) | eld[i]); | |
75 | for (i = eld[2] * 4; i < 0x60; i++) | |
76 | nv_wr32(dev, 0x61c440 + or, (i << 8) | 0x00); | |
77 | nv_mask(dev, 0x61c448 + or, 0x00000002, 0x00000002); | |
78 | } | |
79 | } | |
80 | } | |
81 | ||
82 | static void | |
83 | nouveau_hdmi_disconnect(struct drm_encoder *encoder) | |
84 | { | |
85 | nouveau_audio_disconnect(encoder); | |
86 | } | |
87 | ||
88 | void | |
89 | nouveau_hdmi_mode_set(struct drm_encoder *encoder, | |
90 | struct drm_display_mode *mode) | |
91 | { | |
92 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
93 | struct nouveau_connector *nv_connector; | |
94 | ||
95 | nv_connector = nouveau_encoder_connector_get(nv_encoder); | |
96 | if (!mode || !nv_connector || !nv_connector->edid || | |
97 | !drm_detect_hdmi_monitor(nv_connector->edid)) { | |
98 | nouveau_hdmi_disconnect(encoder); | |
99 | return; | |
100 | } | |
101 | ||
102 | nouveau_audio_mode_set(encoder, mode); | |
103 | } |