/* * Copyright 2018 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 * */ #include "mod_info_packet.h" #include "core_types.h" enum ColorimetryRGBDP { ColorimetryRGB_DP_sRGB = 0, ColorimetryRGB_DP_AdobeRGB = 3, ColorimetryRGB_DP_P3 = 4, ColorimetryRGB_DP_CustomColorProfile = 5, ColorimetryRGB_DP_ITU_R_BT2020RGB = 6, }; enum ColorimetryYCCDP { ColorimetryYCC_DP_ITU601 = 0, ColorimetryYCC_DP_ITU709 = 1, ColorimetryYCC_DP_AdobeYCC = 5, ColorimetryYCC_DP_ITU2020YCC = 6, ColorimetryYCC_DP_ITU2020YCbCr = 7, }; static void mod_build_vsc_infopacket(const struct dc_stream_state *stream, struct dc_info_packet *info_packet) { unsigned int vscPacketRevision = 0; unsigned int i; unsigned int pixelEncoding = 0; unsigned int colorimetryFormat = 0; bool stereo3dSupport = false; if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) { vscPacketRevision = 1; stereo3dSupport = true; } /*VSC packet set to 2 when DP revision >= 1.2*/ if (stream->psr_version != 0) vscPacketRevision = 2; if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) vscPacketRevision = 5; /* VSC packet not needed based on the features * supported by this DP display */ if (vscPacketRevision == 0) return; if (vscPacketRevision == 0x2) { /* Secondary-data Packet ID = 0*/ info_packet->hb0 = 0x00; /* 07h - Packet Type Value indicating Video * Stream Configuration packet */ info_packet->hb1 = 0x07; /* 02h = VSC SDP supporting 3D stereo and PSR * (applies to eDP v1.3 or higher). */ info_packet->hb2 = 0x02; /* 08h = VSC packet supporting 3D stereo + PSR * (HB2 = 02h). */ info_packet->hb3 = 0x08; for (i = 0; i < 28; i++) info_packet->sb[i] = 0; info_packet->valid = true; } if (vscPacketRevision == 0x1) { info_packet->hb0 = 0x00; // Secondary-data Packet ID = 0 info_packet->hb1 = 0x07; // 07h = Packet Type Value indicating Video Stream Configuration packet info_packet->hb2 = 0x01; // 01h = Revision number. VSC SDP supporting 3D stereo only info_packet->hb3 = 0x01; // 01h = VSC SDP supporting 3D stereo only (HB2 = 01h). info_packet->valid = true; } if (stereo3dSupport) { /* ==============================================================================================================| * A. STEREO 3D * ==============================================================================================================| * VSC Payload (1 byte) From DP1.2 spec * * Bits 3:0 (Stereo Interface Method Code) | Bits 7:4 (Stereo Interface Method Specific Parameter) * ----------------------------------------------------------------------------------------------------- * 0 = Non Stereo Video | Must be set to 0x0 * ----------------------------------------------------------------------------------------------------- * 1 = Frame/Field Sequential | 0x0: L + R view indication based on MISC1 bit 2:1 * | 0x1: Right when Stereo Signal = 1 * | 0x2: Left when Stereo Signal = 1 * | (others reserved) * ----------------------------------------------------------------------------------------------------- * 2 = Stacked Frame | 0x0: Left view is on top and right view on bottom * | (others reserved) * ----------------------------------------------------------------------------------------------------- * 3 = Pixel Interleaved | 0x0: horiz interleaved, right view pixels on even lines * | 0x1: horiz interleaved, right view pixels on odd lines * | 0x2: checker board, start with left view pixel * | 0x3: vertical interleaved, start with left view pixels * | 0x4: vertical interleaved, start with right view pixels * | (others reserved) * ----------------------------------------------------------------------------------------------------- * 4 = Side-by-side | 0x0: left half represents left eye view * | 0x1: left half represents right eye view */ switch (stream->timing.timing_3d_format) { case TIMING_3D_FORMAT_HW_FRAME_PACKING: case TIMING_3D_FORMAT_SW_FRAME_PACKING: case TIMING_3D_FORMAT_TOP_AND_BOTTOM: case TIMING_3D_FORMAT_TB_SW_PACKED: info_packet->sb[0] = 0x02; // Stacked Frame, Left view is on top and right view on bottom. break; case TIMING_3D_FORMAT_DP_HDMI_INBAND_FA: case TIMING_3D_FORMAT_INBAND_FA: info_packet->sb[0] = 0x01; // Frame/Field Sequential, L + R view indication based on MISC1 bit 2:1 break; case TIMING_3D_FORMAT_SIDE_BY_SIDE: case TIMING_3D_FORMAT_SBS_SW_PACKED: info_packet->sb[0] = 0x04; // Side-by-side break; default: info_packet->sb[0] = 0x00; // No Stereo Video, Shall be cleared to 0x0. break; } } /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. * Added in DP1.3, a DP Source device is allowed to indicate the pixel encoding/colorimetry * format to the DP Sink device with VSC SDP only when the DP Sink device supports it * (i.e., VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit in the DPRX_FEATURE_ENUMERATION_LIST * register (DPCD Address 02210h, bit 3) is set to 1). * (Requires VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit set to 1 in DPCD 02210h. This * DPCD register is exposed in the new Extended Receiver Capability field for DPCD Rev. 1.4 * (and higher). When MISC1. bit 6. is Set to 1, a Source device uses a VSC SDP to indicate * the Pixel Encoding/Colorimetry Format and that a Sink device must ignore MISC1, bit 7, and * MISC0, bits 7:1 (MISC1, bit 7. and MISC0, bits 7:1 become “don’t care”).) */ if (vscPacketRevision == 0x5) { /* Secondary-data Packet ID = 0 */ info_packet->hb0 = 0x00; /* 07h - Packet Type Value indicating Video Stream Configuration packet */ info_packet->hb1 = 0x07; /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. */ info_packet->hb2 = 0x05; /* 13h = VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/Colorimetry Format indication (HB2 = 05h). */ info_packet->hb3 = 0x13; info_packet->valid = true; /* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs * Data Bytes DB 18~16 * Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding) * ---------------------------------------------------------------------------------------------------- * 0x0 = sRGB | 0 = RGB * 0x1 = RGB Wide Gamut Fixed Point * 0x2 = RGB Wide Gamut Floating Point * 0x3 = AdobeRGB * 0x4 = DCI-P3 * 0x5 = CustomColorProfile * (others reserved) * ---------------------------------------------------------------------------------------------------- * 0x0 = ITU-R BT.601 | 1 = YCbCr444 * 0x1 = ITU-R BT.709 * 0x2 = xvYCC601 * 0x3 = xvYCC709 * 0x4 = sYCC601 * 0x5 = AdobeYCC601 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc * 0x7 = ITU-R BT.2020 Y'C'bC'r * (others reserved) * ---------------------------------------------------------------------------------------------------- * 0x0 = ITU-R BT.601 | 2 = YCbCr422 * 0x1 = ITU-R BT.709 * 0x2 = xvYCC601 * 0x3 = xvYCC709 * 0x4 = sYCC601 * 0x5 = AdobeYCC601 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc * 0x7 = ITU-R BT.2020 Y'C'bC'r * (others reserved) * ---------------------------------------------------------------------------------------------------- * 0x0 = ITU-R BT.601 | 3 = YCbCr420 * 0x1 = ITU-R BT.709 * 0x2 = xvYCC601 * 0x3 = xvYCC709 * 0x4 = sYCC601 * 0x5 = AdobeYCC601 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc * 0x7 = ITU-R BT.2020 Y'C'bC'r * (others reserved) * ---------------------------------------------------------------------------------------------------- * 0x0 =DICOM Part14 Grayscale | 4 = Yonly * Display Function * (others reserved) */ /* Set Pixel Encoding */ switch (stream->timing.pixel_encoding) { case PIXEL_ENCODING_RGB: pixelEncoding = 0x0; /* RGB = 0h */ break; case PIXEL_ENCODING_YCBCR444: pixelEncoding = 0x1; /* YCbCr444 = 1h */ break; case PIXEL_ENCODING_YCBCR422: pixelEncoding = 0x2; /* YCbCr422 = 2h */ break; case PIXEL_ENCODING_YCBCR420: pixelEncoding = 0x3; /* YCbCr420 = 3h */ break; default: pixelEncoding = 0x0; /* default RGB = 0h */ break; } /* Set Colorimetry format based on pixel encoding */ switch (stream->timing.pixel_encoding) { case PIXEL_ENCODING_RGB: if ((stream->output_color_space == COLOR_SPACE_SRGB) || (stream->output_color_space == COLOR_SPACE_SRGB_LIMITED)) colorimetryFormat = ColorimetryRGB_DP_sRGB; else if (stream->output_color_space == COLOR_SPACE_ADOBERGB) colorimetryFormat = ColorimetryRGB_DP_AdobeRGB; else if ((stream->output_color_space == COLOR_SPACE_2020_RGB_FULLRANGE) || (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE)) colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB; break; case PIXEL_ENCODING_YCBCR444: case PIXEL_ENCODING_YCBCR422: case PIXEL_ENCODING_YCBCR420: /* Note: xvYCC probably not supported correctly here on DP since colorspace translation * loses distinction between BT601 vs xvYCC601 in translation */ if (stream->output_color_space == COLOR_SPACE_YCBCR601) colorimetryFormat = ColorimetryYCC_DP_ITU601; else if (stream->output_color_space == COLOR_SPACE_YCBCR709) colorimetryFormat = ColorimetryYCC_DP_ITU709; else if (stream->output_color_space == COLOR_SPACE_ADOBERGB) colorimetryFormat = ColorimetryYCC_DP_AdobeYCC; else if (stream->output_color_space == COLOR_SPACE_2020_YCBCR) colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr; break; default: colorimetryFormat = ColorimetryRGB_DP_sRGB; break; } info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat; /* Set color depth */ switch (stream->timing.display_color_depth) { case COLOR_DEPTH_666: /* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc * as of DP1.4 spec, but value of 0 probably reserved here for potential future use. */ info_packet->sb[17] = 0; break; case COLOR_DEPTH_888: info_packet->sb[17] = 1; break; case COLOR_DEPTH_101010: info_packet->sb[17] = 2; break; case COLOR_DEPTH_121212: info_packet->sb[17] = 3; break; /*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */ case COLOR_DEPTH_161616: info_packet->sb[17] = 4; break; default: info_packet->sb[17] = 0; break; } /* all YCbCr are always limited range */ if ((stream->output_color_space == COLOR_SPACE_SRGB_LIMITED) || (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE) || (pixelEncoding != 0x0)) { info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */ } /* Content Type (Bits 2:0) * 0 = Not defined. * 1 = Graphics. * 2 = Photo. * 3 = Video. * 4 = Game. */ info_packet->sb[18] = 0; } } void mod_build_infopackets(struct info_packet_inputs *inputs, struct info_packets *info_packets) { if (info_packets->pVscInfoPacket != NULL) mod_build_vsc_infopacket(inputs->pStream, info_packets->pVscInfoPacket); }
