/*
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* Copyright 2012-15 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef __DC_SIGNAL_TYPES_H__
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#define __DC_SIGNAL_TYPES_H__
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/* Minimum pixel clock, in KHz. For TMDS signal is 25.00 MHz */
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#define TMDS_MIN_PIXEL_CLOCK 25000
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/* Maximum pixel clock, in KHz. For TMDS signal is 165.00 MHz */
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#define TMDS_MAX_PIXEL_CLOCK 165000
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enum signal_type {
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SIGNAL_TYPE_NONE = 0L, /* no signal */
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SIGNAL_TYPE_DVI_SINGLE_LINK = (1 << 0),
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SIGNAL_TYPE_DVI_DUAL_LINK = (1 << 1),
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SIGNAL_TYPE_HDMI_TYPE_A = (1 << 2),
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SIGNAL_TYPE_LVDS = (1 << 3),
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SIGNAL_TYPE_RGB = (1 << 4),
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SIGNAL_TYPE_DISPLAY_PORT = (1 << 5),
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SIGNAL_TYPE_DISPLAY_PORT_MST = (1 << 6),
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SIGNAL_TYPE_EDP = (1 << 7),
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SIGNAL_TYPE_VIRTUAL = (1 << 9), /* Virtual Display */
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};
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/* help functions for signal types manipulation */
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static inline bool dc_is_hdmi_tmds_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_HDMI_TYPE_A);
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}
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static inline bool dc_is_hdmi_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_HDMI_TYPE_A);
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}
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static inline bool dc_is_dp_sst_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
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signal == SIGNAL_TYPE_EDP);
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}
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static inline bool dc_is_dp_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
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signal == SIGNAL_TYPE_EDP ||
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signal == SIGNAL_TYPE_DISPLAY_PORT_MST);
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}
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static inline bool dc_is_embedded_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_EDP || signal == SIGNAL_TYPE_LVDS);
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}
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static inline bool dc_is_lvds_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_LVDS);
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}
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static inline bool dc_is_dvi_signal(enum signal_type signal)
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{
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switch (signal) {
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case SIGNAL_TYPE_DVI_SINGLE_LINK:
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case SIGNAL_TYPE_DVI_DUAL_LINK:
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return true;
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break;
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default:
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return false;
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}
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}
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static inline bool dc_is_dvi_single_link_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_DVI_SINGLE_LINK);
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}
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static inline bool dc_is_dual_link_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_DVI_DUAL_LINK);
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}
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static inline bool dc_is_audio_capable_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
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signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
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dc_is_hdmi_signal(signal));
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}
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static inline bool dc_is_virtual_signal(enum signal_type signal)
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{
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return (signal == SIGNAL_TYPE_VIRTUAL);
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}
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#endif
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