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