2 * Copyright 2012-15 Advanced Micro Devices, Inc.
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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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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
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26 #ifndef __DC_SIGNAL_TYPES_H__
27 #define __DC_SIGNAL_TYPES_H__
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
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),
44 SIGNAL_TYPE_VIRTUAL = (1 << 9), /* Virtual Display */
47 /* help functions for signal types manipulation */
48 static inline bool dc_is_hdmi_signal(enum signal_type signal)
50 return (signal == SIGNAL_TYPE_HDMI_TYPE_A);
53 static inline bool dc_is_dp_sst_signal(enum signal_type signal)
55 return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
56 signal == SIGNAL_TYPE_EDP);
59 static inline bool dc_is_dp_signal(enum signal_type signal)
61 return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
62 signal == SIGNAL_TYPE_EDP ||
63 signal == SIGNAL_TYPE_DISPLAY_PORT_MST);
66 static inline bool dc_is_embedded_signal(enum signal_type signal)
68 return (signal == SIGNAL_TYPE_EDP || signal == SIGNAL_TYPE_LVDS);
71 static inline bool dc_is_dvi_signal(enum signal_type signal)
74 case SIGNAL_TYPE_DVI_SINGLE_LINK:
75 case SIGNAL_TYPE_DVI_DUAL_LINK:
83 static inline bool dc_is_dvi_single_link_signal(enum signal_type signal)
85 return (signal == SIGNAL_TYPE_DVI_SINGLE_LINK);
88 static inline bool dc_is_dual_link_signal(enum signal_type signal)
90 return (signal == SIGNAL_TYPE_DVI_DUAL_LINK);
93 static inline bool dc_is_audio_capable_signal(enum signal_type signal)
95 return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
96 signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
97 dc_is_hdmi_signal(signal));