/*
|
* 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"
|
#include "dc_types.h"
|
#include "mod_shared.h"
|
#include "mod_freesync.h"
|
#include "dc.h"
|
|
enum vsc_packet_revision {
|
vsc_packet_undefined = 0,
|
//01h = VSC SDP supports only 3D stereo.
|
vsc_packet_rev1 = 1,
|
//02h = 3D stereo + PSR.
|
vsc_packet_rev2 = 2,
|
//03h = 3D stereo + PSR2.
|
vsc_packet_rev3 = 3,
|
//04h = 3D stereo + PSR/PSR2 + Y-coordinate.
|
vsc_packet_rev4 = 4,
|
//05h = 3D stereo + PSR/PSR2 + Y-coordinate + Pixel Encoding/Colorimetry Format
|
vsc_packet_rev5 = 5,
|
};
|
|
#define HDMI_INFOFRAME_TYPE_VENDOR 0x81
|
#define HF_VSIF_VERSION 1
|
|
// VTEM Byte Offset
|
#define VTEM_PB0 0
|
#define VTEM_PB1 1
|
#define VTEM_PB2 2
|
#define VTEM_PB3 3
|
#define VTEM_PB4 4
|
#define VTEM_PB5 5
|
#define VTEM_PB6 6
|
|
#define VTEM_MD0 7
|
#define VTEM_MD1 8
|
#define VTEM_MD2 9
|
#define VTEM_MD3 10
|
|
|
// VTEM Byte Masks
|
//PB0
|
#define MASK_VTEM_PB0__RESERVED0 0x01
|
#define MASK_VTEM_PB0__SYNC 0x02
|
#define MASK_VTEM_PB0__VFR 0x04
|
#define MASK_VTEM_PB0__AFR 0x08
|
#define MASK_VTEM_PB0__DS_TYPE 0x30
|
//0: Periodic pseudo-static EM Data Set
|
//1: Periodic dynamic EM Data Set
|
//2: Unique EM Data Set
|
//3: Reserved
|
#define MASK_VTEM_PB0__END 0x40
|
#define MASK_VTEM_PB0__NEW 0x80
|
|
//PB1
|
#define MASK_VTEM_PB1__RESERVED1 0xFF
|
|
//PB2
|
#define MASK_VTEM_PB2__ORGANIZATION_ID 0xFF
|
//0: This is a Vendor Specific EM Data Set
|
//1: This EM Data Set is defined by This Specification (HDMI 2.1 r102.clean)
|
//2: This EM Data Set is defined by CTA-861-G
|
//3: This EM Data Set is defined by VESA
|
//PB3
|
#define MASK_VTEM_PB3__DATA_SET_TAG_MSB 0xFF
|
//PB4
|
#define MASK_VTEM_PB4__DATA_SET_TAG_LSB 0xFF
|
//PB5
|
#define MASK_VTEM_PB5__DATA_SET_LENGTH_MSB 0xFF
|
//PB6
|
#define MASK_VTEM_PB6__DATA_SET_LENGTH_LSB 0xFF
|
|
|
|
//PB7-27 (20 bytes):
|
//PB7 = MD0
|
#define MASK_VTEM_MD0__VRR_EN 0x01
|
#define MASK_VTEM_MD0__M_CONST 0x02
|
#define MASK_VTEM_MD0__QMS_EN 0x04
|
#define MASK_VTEM_MD0__RESERVED2 0x08
|
#define MASK_VTEM_MD0__FVA_FACTOR_M1 0xF0
|
|
//MD1
|
#define MASK_VTEM_MD1__BASE_VFRONT 0xFF
|
|
//MD2
|
#define MASK_VTEM_MD2__BASE_REFRESH_RATE_98 0x03
|
#define MASK_VTEM_MD2__RB 0x04
|
#define MASK_VTEM_MD2__NEXT_TFR 0xF8
|
|
//MD3
|
#define MASK_VTEM_MD3__BASE_REFRESH_RATE_07 0xFF
|
|
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,
|
};
|
|
void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
|
struct dc_info_packet *info_packet)
|
{
|
unsigned int vsc_packet_revision = vsc_packet_undefined;
|
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) {
|
vsc_packet_revision = vsc_packet_rev1;
|
stereo3dSupport = true;
|
}
|
|
/*VSC packet set to 2 when DP revision >= 1.2*/
|
if (stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED)
|
vsc_packet_revision = vsc_packet_rev2;
|
|
/* Update to revision 5 for extended colorimetry support */
|
if (stream->use_vsc_sdp_for_colorimetry)
|
vsc_packet_revision = vsc_packet_rev5;
|
|
/* VSC packet not needed based on the features
|
* supported by this DP display
|
*/
|
if (vsc_packet_revision == vsc_packet_undefined)
|
return;
|
|
if (vsc_packet_revision == vsc_packet_rev2) {
|
/* 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 (vsc_packet_revision == vsc_packet_rev1) {
|
|
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 (vsc_packet_revision == vsc_packet_rev5) {
|
/* 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;
|
}
|
}
|
|
/**
|
*****************************************************************************
|
* Function: mod_build_hf_vsif_infopacket
|
*
|
* @brief
|
* Prepare HDMI Vendor Specific info frame.
|
* Follows HDMI Spec to build up Vendor Specific info frame
|
*
|
* @param [in] stream: contains data we may need to construct VSIF (i.e. timing_3d_format, etc.)
|
* @param [out] info_packet: output structure where to store VSIF
|
*****************************************************************************
|
*/
|
void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream,
|
struct dc_info_packet *info_packet)
|
{
|
unsigned int length = 5;
|
bool hdmi_vic_mode = false;
|
uint8_t checksum = 0;
|
uint32_t i = 0;
|
enum dc_timing_3d_format format;
|
|
info_packet->valid = false;
|
format = stream->timing.timing_3d_format;
|
if (stream->view_format == VIEW_3D_FORMAT_NONE)
|
format = TIMING_3D_FORMAT_NONE;
|
|
if (stream->timing.hdmi_vic != 0
|
&& stream->timing.h_total >= 3840
|
&& stream->timing.v_total >= 2160
|
&& format == TIMING_3D_FORMAT_NONE)
|
hdmi_vic_mode = true;
|
|
if ((format == TIMING_3D_FORMAT_NONE) && !hdmi_vic_mode)
|
return;
|
|
info_packet->sb[1] = 0x03;
|
info_packet->sb[2] = 0x0C;
|
info_packet->sb[3] = 0x00;
|
|
if (format != TIMING_3D_FORMAT_NONE)
|
info_packet->sb[4] = (2 << 5);
|
|
else if (hdmi_vic_mode)
|
info_packet->sb[4] = (1 << 5);
|
|
switch (format) {
|
case TIMING_3D_FORMAT_HW_FRAME_PACKING:
|
case TIMING_3D_FORMAT_SW_FRAME_PACKING:
|
info_packet->sb[5] = (0x0 << 4);
|
break;
|
|
case TIMING_3D_FORMAT_SIDE_BY_SIDE:
|
case TIMING_3D_FORMAT_SBS_SW_PACKED:
|
info_packet->sb[5] = (0x8 << 4);
|
length = 6;
|
break;
|
|
case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
|
case TIMING_3D_FORMAT_TB_SW_PACKED:
|
info_packet->sb[5] = (0x6 << 4);
|
break;
|
|
default:
|
break;
|
}
|
|
if (hdmi_vic_mode)
|
info_packet->sb[5] = stream->timing.hdmi_vic;
|
|
info_packet->hb0 = HDMI_INFOFRAME_TYPE_VENDOR;
|
info_packet->hb1 = 0x01;
|
info_packet->hb2 = (uint8_t) (length);
|
|
checksum += info_packet->hb0;
|
checksum += info_packet->hb1;
|
checksum += info_packet->hb2;
|
|
for (i = 1; i <= length; i++)
|
checksum += info_packet->sb[i];
|
|
info_packet->sb[0] = (uint8_t) (0x100 - checksum);
|
|
info_packet->valid = true;
|
}
|
