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4562236b HW |
1 | /* |
2 | * Copyright 2012-15 Advanced Micro Devices, 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: AMD | |
23 | * | |
24 | */ | |
25 | ||
26 | #ifndef __DC_SIGNAL_TYPES_H__ | |
27 | #define __DC_SIGNAL_TYPES_H__ | |
28 | ||
855b5cba HW |
29 | /* Minimum pixel clock, in KHz. For TMDS signal is 25.00 MHz */ |
30 | #define TMDS_MIN_PIXEL_CLOCK 25000 | |
31 | /* Maximum pixel clock, in KHz. For TMDS signal is 165.00 MHz */ | |
32 | #define TMDS_MAX_PIXEL_CLOCK 165000 | |
33 | ||
4562236b HW |
34 | enum signal_type { |
35 | SIGNAL_TYPE_NONE = 0L, /* no signal */ | |
36 | SIGNAL_TYPE_DVI_SINGLE_LINK = (1 << 0), | |
37 | SIGNAL_TYPE_DVI_DUAL_LINK = (1 << 1), | |
38 | SIGNAL_TYPE_HDMI_TYPE_A = (1 << 2), | |
39 | SIGNAL_TYPE_LVDS = (1 << 3), | |
40 | SIGNAL_TYPE_RGB = (1 << 4), | |
41 | SIGNAL_TYPE_DISPLAY_PORT = (1 << 5), | |
42 | SIGNAL_TYPE_DISPLAY_PORT_MST = (1 << 6), | |
43 | SIGNAL_TYPE_EDP = (1 << 7), | |
4562236b | 44 | SIGNAL_TYPE_VIRTUAL = (1 << 9), /* Virtual Display */ |
4562236b HW |
45 | }; |
46 | ||
47 | /* help functions for signal types manipulation */ | |
69e3fdaa DA |
48 | static inline bool dc_is_hdmi_signal(enum signal_type signal) |
49 | { | |
50 | return (signal == SIGNAL_TYPE_HDMI_TYPE_A); | |
51 | } | |
52 | ||
53 | static inline bool dc_is_dp_sst_signal(enum signal_type signal) | |
54 | { | |
55 | return (signal == SIGNAL_TYPE_DISPLAY_PORT || | |
56 | signal == SIGNAL_TYPE_EDP); | |
57 | } | |
58 | ||
59 | static inline bool dc_is_dp_signal(enum signal_type signal) | |
60 | { | |
61 | return (signal == SIGNAL_TYPE_DISPLAY_PORT || | |
62 | signal == SIGNAL_TYPE_EDP || | |
63 | signal == SIGNAL_TYPE_DISPLAY_PORT_MST); | |
64 | } | |
65 | ||
66 | static inline bool dc_is_embedded_signal(enum signal_type signal) | |
67 | { | |
68 | return (signal == SIGNAL_TYPE_EDP || signal == SIGNAL_TYPE_LVDS); | |
69 | } | |
70 | ||
71 | static inline bool dc_is_dvi_signal(enum signal_type signal) | |
72 | { | |
73 | switch (signal) { | |
74 | case SIGNAL_TYPE_DVI_SINGLE_LINK: | |
75 | case SIGNAL_TYPE_DVI_DUAL_LINK: | |
76 | return true; | |
77 | break; | |
78 | default: | |
79 | return false; | |
80 | } | |
81 | } | |
82 | ||
83 | static inline bool dc_is_dvi_single_link_signal(enum signal_type signal) | |
84 | { | |
85 | return (signal == SIGNAL_TYPE_DVI_SINGLE_LINK); | |
86 | } | |
87 | ||
88 | static inline bool dc_is_dual_link_signal(enum signal_type signal) | |
89 | { | |
90 | return (signal == SIGNAL_TYPE_DVI_DUAL_LINK); | |
91 | } | |
92 | ||
93 | static inline bool dc_is_audio_capable_signal(enum signal_type signal) | |
94 | { | |
95 | return (signal == SIGNAL_TYPE_DISPLAY_PORT || | |
96 | signal == SIGNAL_TYPE_DISPLAY_PORT_MST || | |
97 | dc_is_hdmi_signal(signal)); | |
98 | } | |
4562236b HW |
99 | |
100 | #endif |