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path: root/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c752
1 files changed, 752 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c
new file mode 100644
index 000000000000..565f12dd179a
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c
@@ -0,0 +1,752 @@
+/*
+ * Copyright 2019 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 "dc_bios_types.h"
+#include "dcn31_hpo_dp_stream_encoder.h"
+#include "reg_helper.h"
+#include "dc_link.h"
+
+#define DC_LOGGER \
+ enc3->base.ctx->logger
+
+#define REG(reg)\
+ (enc3->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+ enc3->hpo_se_shift->field_name, enc3->hpo_se_mask->field_name
+
+#define CTX \
+ enc3->base.ctx
+
+
+enum dp2_pixel_encoding {
+ DP_SYM32_ENC_PIXEL_ENCODING_RGB_YCBCR444,
+ DP_SYM32_ENC_PIXEL_ENCODING_YCBCR422,
+ DP_SYM32_ENC_PIXEL_ENCODING_YCBCR420,
+ DP_SYM32_ENC_PIXEL_ENCODING_Y_ONLY
+};
+
+enum dp2_uncompressed_component_depth {
+ DP_SYM32_ENC_COMPONENT_DEPTH_6BPC,
+ DP_SYM32_ENC_COMPONENT_DEPTH_8BPC,
+ DP_SYM32_ENC_COMPONENT_DEPTH_10BPC,
+ DP_SYM32_ENC_COMPONENT_DEPTH_12BPC
+};
+
+
+static void dcn31_hpo_dp_stream_enc_enable_stream(
+ struct hpo_dp_stream_encoder *enc)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ /* Enable all clocks in the DP_STREAM_ENC */
+ REG_UPDATE(DP_STREAM_ENC_CLOCK_CONTROL,
+ DP_STREAM_ENC_CLOCK_EN, 1);
+
+ /* Assert reset to the DP_SYM32_ENC logic */
+ REG_UPDATE(DP_SYM32_ENC_CONTROL,
+ DP_SYM32_ENC_RESET, 1);
+ /* Wait for reset to complete (to assert) */
+ REG_WAIT(DP_SYM32_ENC_CONTROL,
+ DP_SYM32_ENC_RESET_DONE, 1,
+ 1, 10);
+
+ /* De-assert reset to the DP_SYM32_ENC logic */
+ REG_UPDATE(DP_SYM32_ENC_CONTROL,
+ DP_SYM32_ENC_RESET, 0);
+ /* Wait for reset to de-assert */
+ REG_WAIT(DP_SYM32_ENC_CONTROL,
+ DP_SYM32_ENC_RESET_DONE, 0,
+ 1, 10);
+
+ /* Enable idle pattern generation */
+ REG_UPDATE(DP_SYM32_ENC_CONTROL,
+ DP_SYM32_ENC_ENABLE, 1);
+}
+
+static void dcn31_hpo_dp_stream_enc_dp_unblank(
+ struct hpo_dp_stream_encoder *enc,
+ uint32_t stream_source)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ /* Set the input mux for video stream source */
+ REG_UPDATE(DP_STREAM_ENC_INPUT_MUX_CONTROL,
+ DP_STREAM_ENC_INPUT_MUX_PIXEL_STREAM_SOURCE_SEL, stream_source);
+
+ /* Enable video transmission in main framer */
+ REG_UPDATE(DP_SYM32_ENC_VID_STREAM_CONTROL,
+ VID_STREAM_ENABLE, 1);
+
+ /* Reset and Enable Pixel to Symbol FIFO */
+ REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL,
+ PIXEL_TO_SYMBOL_FIFO_RESET, 1);
+ REG_WAIT(DP_SYM32_ENC_VID_FIFO_CONTROL,
+ PIXEL_TO_SYMBOL_FIFO_RESET_DONE, 1,
+ 1, 10);
+ REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL,
+ PIXEL_TO_SYMBOL_FIFO_RESET, 0);
+ REG_WAIT(DP_SYM32_ENC_VID_FIFO_CONTROL, /* Disable Clock Ramp Adjuster FIFO */
+ PIXEL_TO_SYMBOL_FIFO_RESET_DONE, 0,
+ 1, 10);
+ REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL,
+ PIXEL_TO_SYMBOL_FIFO_ENABLE, 1);
+
+ /* Reset and Enable Clock Ramp Adjuster FIFO */
+ REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0,
+ FIFO_RESET, 1);
+ REG_WAIT(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0,
+ FIFO_RESET_DONE, 1,
+ 1, 10);
+ REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0,
+ FIFO_RESET, 0);
+ REG_WAIT(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0,
+ FIFO_RESET_DONE, 0,
+ 1, 10);
+
+ /* For Debug -- Enable CRC */
+ REG_UPDATE_2(DP_SYM32_ENC_VID_CRC_CONTROL,
+ CRC_ENABLE, 1,
+ CRC_CONT_MODE_ENABLE, 1);
+
+ REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0,
+ FIFO_ENABLE, 1);
+}
+
+static void dcn31_hpo_dp_stream_enc_dp_blank(
+ struct hpo_dp_stream_encoder *enc)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ /* Disable video transmission */
+ REG_UPDATE(DP_SYM32_ENC_VID_STREAM_CONTROL,
+ VID_STREAM_ENABLE, 0);
+
+ /* Wait for video stream transmission disabled
+ * Larger delay to wait until VBLANK - use max retry of
+ * 10us*5000=50ms. This covers 41.7ms of minimum 24 Hz mode +
+ * a little more because we may not trust delay accuracy.
+ */
+ //REG_WAIT(DP_SYM32_ENC_VID_STREAM_CONTROL,
+ // VID_STREAM_STATUS, 0,
+ // 10, 5000);
+
+ /* Disable SDP tranmission */
+ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL,
+ SDP_STREAM_ENABLE, 0);
+
+ /* Disable Pixel to Symbol FIFO */
+ REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL,
+ PIXEL_TO_SYMBOL_FIFO_ENABLE, 0);
+
+ /* Disable Clock Ramp Adjuster FIFO */
+ REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0,
+ FIFO_ENABLE, 0);
+}
+
+static void dcn31_hpo_dp_stream_enc_disable(
+ struct hpo_dp_stream_encoder *enc)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ /* Disable DP_SYM32_ENC */
+ REG_UPDATE(DP_SYM32_ENC_CONTROL,
+ DP_SYM32_ENC_ENABLE, 0);
+
+ /* Disable clocks in the DP_STREAM_ENC */
+ REG_UPDATE(DP_STREAM_ENC_CLOCK_CONTROL,
+ DP_STREAM_ENC_CLOCK_EN, 0);
+}
+
+static void dcn31_hpo_dp_stream_enc_set_stream_attribute(
+ struct hpo_dp_stream_encoder *enc,
+ struct dc_crtc_timing *crtc_timing,
+ enum dc_color_space output_color_space,
+ bool use_vsc_sdp_for_colorimetry,
+ bool compressed_format,
+ bool double_buffer_en)
+{
+ enum dp2_pixel_encoding pixel_encoding;
+ enum dp2_uncompressed_component_depth component_depth;
+ uint32_t h_active_start;
+ uint32_t v_active_start;
+ uint32_t h_blank;
+ uint32_t h_back_porch;
+ uint32_t h_width;
+ uint32_t v_height;
+ unsigned long long v_freq;
+ uint8_t misc0 = 0;
+ uint8_t misc1 = 0;
+ uint8_t hsp;
+ uint8_t vsp;
+
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+ struct dc_crtc_timing hw_crtc_timing = *crtc_timing;
+
+ /* MISC0[0] = 0 video and link clocks are asynchronous
+ * MISC1[0] = 0 interlace not supported
+ * MISC1[2:1] = 0 stereo field is handled by hardware
+ * MISC1[5:3] = 0 Reserved
+ */
+
+ /* Interlaced not supported */
+ if (hw_crtc_timing.flags.INTERLACE) {
+ BREAK_TO_DEBUGGER();
+ }
+
+ /* Double buffer enable for MSA and pixel format registers
+ * Only double buffer for changing stream attributes for active streams
+ * Do not double buffer when initially enabling a stream
+ */
+ REG_UPDATE(DP_SYM32_ENC_VID_MSA_DOUBLE_BUFFER_CONTROL,
+ MSA_DOUBLE_BUFFER_ENABLE, double_buffer_en);
+ REG_UPDATE(DP_SYM32_ENC_VID_PIXEL_FORMAT_DOUBLE_BUFFER_CONTROL,
+ PIXEL_FORMAT_DOUBLE_BUFFER_ENABLE, double_buffer_en);
+
+ /* Pixel Encoding */
+ switch (hw_crtc_timing.pixel_encoding) {
+ case PIXEL_ENCODING_YCBCR422:
+ pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_YCBCR422;
+ misc0 = misc0 | 0x2; // MISC0[2:1] = 01
+ break;
+ case PIXEL_ENCODING_YCBCR444:
+ pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_RGB_YCBCR444;
+ misc0 = misc0 | 0x4; // MISC0[2:1] = 10
+
+ if (hw_crtc_timing.flags.Y_ONLY) {
+ pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_Y_ONLY;
+ if (hw_crtc_timing.display_color_depth != COLOR_DEPTH_666) {
+ /* HW testing only, no use case yet.
+ * Color depth of Y-only could be
+ * 8, 10, 12, 16 bits
+ */
+ misc1 = misc1 | 0x80; // MISC1[7] = 1
+ }
+ }
+ break;
+ case PIXEL_ENCODING_YCBCR420:
+ pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_YCBCR420;
+ misc1 = misc1 | 0x40; // MISC1[6] = 1
+ break;
+ case PIXEL_ENCODING_RGB:
+ default:
+ pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_RGB_YCBCR444;
+ break;
+ }
+
+ /* For YCbCr420 and BT2020 Colorimetry Formats, VSC SDP shall be used.
+ * 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 shall ignore MISC1, bit 7,
+ * and MISC0, bits 7:1 (MISC1, bit 7, and MISC0, bits 7:1, become "don't care").
+ */
+ if (use_vsc_sdp_for_colorimetry)
+ misc1 = misc1 | 0x40;
+ else
+ misc1 = misc1 & ~0x40;
+
+ /* Color depth */
+ switch (hw_crtc_timing.display_color_depth) {
+ case COLOR_DEPTH_666:
+ component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_6BPC;
+ // MISC0[7:5] = 000
+ break;
+ case COLOR_DEPTH_888:
+ component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_8BPC;
+ misc0 = misc0 | 0x20; // MISC0[7:5] = 001
+ break;
+ case COLOR_DEPTH_101010:
+ component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_10BPC;
+ misc0 = misc0 | 0x40; // MISC0[7:5] = 010
+ break;
+ case COLOR_DEPTH_121212:
+ component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_12BPC;
+ misc0 = misc0 | 0x60; // MISC0[7:5] = 011
+ break;
+ default:
+ component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_6BPC;
+ break;
+ }
+
+ REG_UPDATE_3(DP_SYM32_ENC_VID_PIXEL_FORMAT,
+ PIXEL_ENCODING_TYPE, compressed_format,
+ UNCOMPRESSED_PIXEL_ENCODING, pixel_encoding,
+ UNCOMPRESSED_COMPONENT_DEPTH, component_depth);
+
+ switch (output_color_space) {
+ case COLOR_SPACE_SRGB:
+ misc1 = misc1 & ~0x80; /* bit7 = 0*/
+ break;
+ case COLOR_SPACE_SRGB_LIMITED:
+ misc0 = misc0 | 0x8; /* bit3=1 */
+ misc1 = misc1 & ~0x80; /* bit7 = 0*/
+ break;
+ case COLOR_SPACE_YCBCR601:
+ case COLOR_SPACE_YCBCR601_LIMITED:
+ misc0 = misc0 | 0x8; /* bit3=1, bit4=0 */
+ misc1 = misc1 & ~0x80; /* bit7 = 0*/
+ if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
+ misc0 = misc0 | 0x2; /* bit2=0, bit1=1 */
+ else if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR444)
+ misc0 = misc0 | 0x4; /* bit2=1, bit1=0 */
+ break;
+ case COLOR_SPACE_YCBCR709:
+ case COLOR_SPACE_YCBCR709_LIMITED:
+ misc0 = misc0 | 0x18; /* bit3=1, bit4=1 */
+ misc1 = misc1 & ~0x80; /* bit7 = 0*/
+ if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
+ misc0 = misc0 | 0x2; /* bit2=0, bit1=1 */
+ else if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR444)
+ misc0 = misc0 | 0x4; /* bit2=1, bit1=0 */
+ break;
+ case COLOR_SPACE_2020_RGB_LIMITEDRANGE:
+ case COLOR_SPACE_2020_RGB_FULLRANGE:
+ case COLOR_SPACE_2020_YCBCR:
+ case COLOR_SPACE_XR_RGB:
+ case COLOR_SPACE_MSREF_SCRGB:
+ case COLOR_SPACE_ADOBERGB:
+ case COLOR_SPACE_DCIP3:
+ case COLOR_SPACE_XV_YCC_709:
+ case COLOR_SPACE_XV_YCC_601:
+ case COLOR_SPACE_DISPLAYNATIVE:
+ case COLOR_SPACE_DOLBYVISION:
+ case COLOR_SPACE_APPCTRL:
+ case COLOR_SPACE_CUSTOMPOINTS:
+ case COLOR_SPACE_UNKNOWN:
+ case COLOR_SPACE_YCBCR709_BLACK:
+ /* do nothing */
+ break;
+ }
+
+ /* calculate from vesa timing parameters
+ * h_active_start related to leading edge of sync
+ */
+ h_blank = hw_crtc_timing.h_total - hw_crtc_timing.h_border_left -
+ hw_crtc_timing.h_addressable - hw_crtc_timing.h_border_right;
+
+ h_back_porch = h_blank - hw_crtc_timing.h_front_porch -
+ hw_crtc_timing.h_sync_width;
+
+ /* start at beginning of left border */
+ h_active_start = hw_crtc_timing.h_sync_width + h_back_porch;
+
+ v_active_start = hw_crtc_timing.v_total - hw_crtc_timing.v_border_top -
+ hw_crtc_timing.v_addressable - hw_crtc_timing.v_border_bottom -
+ hw_crtc_timing.v_front_porch;
+
+ h_width = hw_crtc_timing.h_border_left + hw_crtc_timing.h_addressable + hw_crtc_timing.h_border_right;
+ v_height = hw_crtc_timing.v_border_top + hw_crtc_timing.v_addressable + hw_crtc_timing.v_border_bottom;
+ hsp = hw_crtc_timing.flags.HSYNC_POSITIVE_POLARITY ? 0x80 : 0;
+ vsp = hw_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ? 0x80 : 0;
+ v_freq = hw_crtc_timing.pix_clk_100hz * 100;
+
+ /* MSA Packet Mapping to 32-bit Link Symbols - DP2 spec, section 2.7.4.1
+ *
+ * Lane 0 Lane 1 Lane 2 Lane 3
+ * MSA[0] = { 0, 0, 0, VFREQ[47:40]}
+ * MSA[1] = { 0, 0, 0, VFREQ[39:32]}
+ * MSA[2] = { 0, 0, 0, VFREQ[31:24]}
+ * MSA[3] = { HTotal[15:8], HStart[15:8], HWidth[15:8], VFREQ[23:16]}
+ * MSA[4] = { HTotal[ 7:0], HStart[ 7:0], HWidth[ 7:0], VFREQ[15: 8]}
+ * MSA[5] = { VTotal[15:8], VStart[15:8], VHeight[15:8], VFREQ[ 7: 0]}
+ * MSA[6] = { VTotal[ 7:0], VStart[ 7:0], VHeight[ 7:0], MISC0[ 7: 0]}
+ * MSA[7] = { HSP|HSW[14:8], VSP|VSW[14:8], 0, MISC1[ 7: 0]}
+ * MSA[8] = { HSW[ 7:0], VSW[ 7:0], 0, 0}
+ */
+ REG_SET_4(DP_SYM32_ENC_VID_MSA0, 0,
+ MSA_DATA_LANE_0, 0,
+ MSA_DATA_LANE_1, 0,
+ MSA_DATA_LANE_2, 0,
+ MSA_DATA_LANE_3, v_freq >> 40);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA1, 0,
+ MSA_DATA_LANE_0, 0,
+ MSA_DATA_LANE_1, 0,
+ MSA_DATA_LANE_2, 0,
+ MSA_DATA_LANE_3, (v_freq >> 32) & 0xff);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA2, 0,
+ MSA_DATA_LANE_0, 0,
+ MSA_DATA_LANE_1, 0,
+ MSA_DATA_LANE_2, 0,
+ MSA_DATA_LANE_3, (v_freq >> 24) & 0xff);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA3, 0,
+ MSA_DATA_LANE_0, hw_crtc_timing.h_total >> 8,
+ MSA_DATA_LANE_1, h_active_start >> 8,
+ MSA_DATA_LANE_2, h_width >> 8,
+ MSA_DATA_LANE_3, (v_freq >> 16) & 0xff);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA4, 0,
+ MSA_DATA_LANE_0, hw_crtc_timing.h_total & 0xff,
+ MSA_DATA_LANE_1, h_active_start & 0xff,
+ MSA_DATA_LANE_2, h_width & 0xff,
+ MSA_DATA_LANE_3, (v_freq >> 8) & 0xff);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA5, 0,
+ MSA_DATA_LANE_0, hw_crtc_timing.v_total >> 8,
+ MSA_DATA_LANE_1, v_active_start >> 8,
+ MSA_DATA_LANE_2, v_height >> 8,
+ MSA_DATA_LANE_3, v_freq & 0xff);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA6, 0,
+ MSA_DATA_LANE_0, hw_crtc_timing.v_total & 0xff,
+ MSA_DATA_LANE_1, v_active_start & 0xff,
+ MSA_DATA_LANE_2, v_height & 0xff,
+ MSA_DATA_LANE_3, misc0);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA7, 0,
+ MSA_DATA_LANE_0, hsp | (hw_crtc_timing.h_sync_width >> 8),
+ MSA_DATA_LANE_1, vsp | (hw_crtc_timing.v_sync_width >> 8),
+ MSA_DATA_LANE_2, 0,
+ MSA_DATA_LANE_3, misc1);
+
+ REG_SET_4(DP_SYM32_ENC_VID_MSA8, 0,
+ MSA_DATA_LANE_0, hw_crtc_timing.h_sync_width & 0xff,
+ MSA_DATA_LANE_1, hw_crtc_timing.v_sync_width & 0xff,
+ MSA_DATA_LANE_2, 0,
+ MSA_DATA_LANE_3, 0);
+}
+
+static void dcn31_hpo_dp_stream_enc_update_dp_info_packets(
+ struct hpo_dp_stream_encoder *enc,
+ const struct encoder_info_frame *info_frame)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+ uint32_t dmdata_packet_enabled = 0;
+ bool sdp_stream_enable = false;
+
+ if (info_frame->vsc.valid) {
+ enc->vpg->funcs->update_generic_info_packet(
+ enc->vpg,
+ 0, /* packetIndex */
+ &info_frame->vsc,
+ true);
+ sdp_stream_enable = true;
+ }
+ if (info_frame->spd.valid) {
+ enc->vpg->funcs->update_generic_info_packet(
+ enc->vpg,
+ 2, /* packetIndex */
+ &info_frame->spd,
+ true);
+ sdp_stream_enable = true;
+ }
+ if (info_frame->hdrsmd.valid) {
+ enc->vpg->funcs->update_generic_info_packet(
+ enc->vpg,
+ 3, /* packetIndex */
+ &info_frame->hdrsmd,
+ true);
+ sdp_stream_enable = true;
+ }
+ /* enable/disable transmission of packet(s).
+ * If enabled, packet transmission begins on the next frame
+ */
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL0, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, info_frame->vsc.valid);
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL2, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, info_frame->spd.valid);
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL3, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, info_frame->hdrsmd.valid);
+
+ /* check if dynamic metadata packet transmission is enabled */
+ REG_GET(DP_SYM32_ENC_SDP_METADATA_PACKET_CONTROL,
+ METADATA_PACKET_ENABLE, &dmdata_packet_enabled);
+
+ /* Enable secondary data path */
+ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL,
+ SDP_STREAM_ENABLE, 1);
+}
+
+static void dcn31_hpo_dp_stream_enc_stop_dp_info_packets(
+ struct hpo_dp_stream_encoder *enc)
+{
+ /* stop generic packets on DP */
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+ uint32_t asp_enable = 0;
+ uint32_t atp_enable = 0;
+ uint32_t aip_enable = 0;
+ uint32_t acm_enable = 0;
+
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL0, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0);
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL2, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0);
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL3, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0);
+
+ /* Disable secondary data path if audio is also disabled */
+ REG_GET_4(DP_SYM32_ENC_SDP_AUDIO_CONTROL0,
+ ASP_ENABLE, &asp_enable,
+ ATP_ENABLE, &atp_enable,
+ AIP_ENABLE, &aip_enable,
+ ACM_ENABLE, &acm_enable);
+ if (!(asp_enable || atp_enable || aip_enable || acm_enable))
+ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL,
+ SDP_STREAM_ENABLE, 0);
+}
+
+static uint32_t hpo_dp_is_gsp_enabled(
+ struct hpo_dp_stream_encoder *enc)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+ uint32_t gsp0_enabled = 0;
+ uint32_t gsp2_enabled = 0;
+ uint32_t gsp3_enabled = 0;
+ uint32_t gsp11_enabled = 0;
+
+ REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL0, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp0_enabled);
+ REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL2, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp2_enabled);
+ REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL3, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp3_enabled);
+ REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL11, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp11_enabled);
+
+ return (gsp0_enabled || gsp2_enabled || gsp3_enabled || gsp11_enabled);
+}
+
+static void dcn31_hpo_dp_stream_enc_set_dsc_pps_info_packet(
+ struct hpo_dp_stream_encoder *enc,
+ bool enable,
+ uint8_t *dsc_packed_pps,
+ bool immediate_update)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ if (enable) {
+ struct dc_info_packet pps_sdp;
+ int i;
+
+ /* Configure for PPS packet size (128 bytes) */
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL11,
+ GSP_PAYLOAD_SIZE, 3);
+
+ /* Load PPS into infoframe (SDP) registers */
+ pps_sdp.valid = true;
+ pps_sdp.hb0 = 0;
+ pps_sdp.hb1 = DC_DP_INFOFRAME_TYPE_PPS;
+ pps_sdp.hb2 = 127;
+ pps_sdp.hb3 = 0;
+
+ for (i = 0; i < 4; i++) {
+ memcpy(pps_sdp.sb, &dsc_packed_pps[i * 32], 32);
+ enc3->base.vpg->funcs->update_generic_info_packet(
+ enc3->base.vpg,
+ 11 + i,
+ &pps_sdp,
+ immediate_update);
+ }
+
+ /* SW should make sure VBID[6] update line number is bigger
+ * than PPS transmit line number
+ */
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL11,
+ GSP_TRANSMISSION_LINE_NUMBER, 2);
+
+ REG_UPDATE_2(DP_SYM32_ENC_VID_VBID_CONTROL,
+ VBID_6_COMPRESSEDSTREAM_FLAG_SOF_REFERENCE, 0,
+ VBID_6_COMPRESSEDSTREAM_FLAG_LINE_NUMBER, 3);
+
+ /* Send PPS data at the line number specified above. */
+ REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL11,
+ GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 1);
+ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL,
+ SDP_STREAM_ENABLE, 1);
+ } else {
+ /* Disable Generic Stream Packet 11 (GSP) transmission */
+ REG_UPDATE_2(DP_SYM32_ENC_SDP_GSP_CONTROL11,
+ GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0,
+ GSP_PAYLOAD_SIZE, 0);
+ }
+}
+
+static void dcn31_hpo_dp_stream_enc_map_stream_to_link(
+ struct hpo_dp_stream_encoder *enc,
+ uint32_t stream_enc_inst,
+ uint32_t link_enc_inst)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ ASSERT(stream_enc_inst < 4 && link_enc_inst < 2);
+
+ switch (stream_enc_inst) {
+ case 0:
+ REG_UPDATE(DP_STREAM_MAPPER_CONTROL0,
+ DP_STREAM_LINK_TARGET, link_enc_inst);
+ break;
+ case 1:
+ REG_UPDATE(DP_STREAM_MAPPER_CONTROL1,
+ DP_STREAM_LINK_TARGET, link_enc_inst);
+ break;
+ case 2:
+ REG_UPDATE(DP_STREAM_MAPPER_CONTROL2,
+ DP_STREAM_LINK_TARGET, link_enc_inst);
+ break;
+ case 3:
+ REG_UPDATE(DP_STREAM_MAPPER_CONTROL3,
+ DP_STREAM_LINK_TARGET, link_enc_inst);
+ break;
+ }
+}
+
+static void dcn31_hpo_dp_stream_enc_mute_control(
+ struct hpo_dp_stream_encoder *enc,
+ bool mute)
+{
+ ASSERT(enc->apg);
+ enc->apg->funcs->audio_mute_control(enc->apg, mute);
+}
+
+static void dcn31_hpo_dp_stream_enc_audio_setup(
+ struct hpo_dp_stream_encoder *enc,
+ unsigned int az_inst,
+ struct audio_info *info)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ /* Set the input mux for video stream source */
+ REG_UPDATE(DP_STREAM_ENC_AUDIO_CONTROL,
+ DP_STREAM_ENC_INPUT_MUX_AUDIO_STREAM_SOURCE_SEL, az_inst);
+
+ ASSERT(enc->apg);
+ enc->apg->funcs->se_audio_setup(enc->apg, az_inst, info);
+}
+
+static void dcn31_hpo_dp_stream_enc_audio_enable(
+ struct hpo_dp_stream_encoder *enc)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ /* Enable Audio packets */
+ REG_UPDATE(DP_SYM32_ENC_SDP_AUDIO_CONTROL0, ASP_ENABLE, 1);
+
+ /* Program the ATP and AIP next */
+ REG_UPDATE_2(DP_SYM32_ENC_SDP_AUDIO_CONTROL0,
+ ATP_ENABLE, 1,
+ AIP_ENABLE, 1);
+
+ /* Enable secondary data path */
+ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL,
+ SDP_STREAM_ENABLE, 1);
+
+ /* Enable APG block */
+ enc->apg->funcs->enable_apg(enc->apg);
+}
+
+static void dcn31_hpo_dp_stream_enc_audio_disable(
+ struct hpo_dp_stream_encoder *enc)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ /* Disable Audio packets */
+ REG_UPDATE_4(DP_SYM32_ENC_SDP_AUDIO_CONTROL0,
+ ASP_ENABLE, 0,
+ ATP_ENABLE, 0,
+ AIP_ENABLE, 0,
+ ACM_ENABLE, 0);
+
+ /* Disable STP Stream Enable if other SDP GSP are also disabled */
+ if (!(hpo_dp_is_gsp_enabled(enc)))
+ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL,
+ SDP_STREAM_ENABLE, 0);
+
+ /* Disable APG block */
+ enc->apg->funcs->disable_apg(enc->apg);
+}
+
+static void dcn31_hpo_dp_stream_enc_read_state(
+ struct hpo_dp_stream_encoder *enc,
+ struct hpo_dp_stream_encoder_state *s)
+{
+ struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
+
+ REG_GET(DP_SYM32_ENC_CONTROL,
+ DP_SYM32_ENC_ENABLE, &s->stream_enc_enabled);
+ REG_GET(DP_SYM32_ENC_VID_STREAM_CONTROL,
+ VID_STREAM_ENABLE, &s->vid_stream_enabled);
+ REG_GET(DP_STREAM_ENC_INPUT_MUX_CONTROL,
+ DP_STREAM_ENC_INPUT_MUX_PIXEL_STREAM_SOURCE_SEL, &s->otg_inst);
+
+ REG_GET_3(DP_SYM32_ENC_VID_PIXEL_FORMAT,
+ PIXEL_ENCODING_TYPE, &s->compressed_format,
+ UNCOMPRESSED_PIXEL_ENCODING, &s->pixel_encoding,
+ UNCOMPRESSED_COMPONENT_DEPTH, &s->component_depth);
+
+ REG_GET(DP_SYM32_ENC_SDP_CONTROL,
+ SDP_STREAM_ENABLE, &s->sdp_enabled);
+
+ switch (enc->inst) {
+ case 0:
+ REG_GET(DP_STREAM_MAPPER_CONTROL0,
+ DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc);
+ break;
+ case 1:
+ REG_GET(DP_STREAM_MAPPER_CONTROL1,
+ DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc);
+ break;
+ case 2:
+ REG_GET(DP_STREAM_MAPPER_CONTROL2,
+ DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc);
+ break;
+ case 3:
+ REG_GET(DP_STREAM_MAPPER_CONTROL3,
+ DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc);
+ break;
+ }
+}
+
+static const struct hpo_dp_stream_encoder_funcs dcn30_str_enc_funcs = {
+ .enable_stream = dcn31_hpo_dp_stream_enc_enable_stream,
+ .dp_unblank = dcn31_hpo_dp_stream_enc_dp_unblank,
+ .dp_blank = dcn31_hpo_dp_stream_enc_dp_blank,
+ .disable = dcn31_hpo_dp_stream_enc_disable,
+ .set_stream_attribute = dcn31_hpo_dp_stream_enc_set_stream_attribute,
+ .update_dp_info_packets = dcn31_hpo_dp_stream_enc_update_dp_info_packets,
+ .stop_dp_info_packets = dcn31_hpo_dp_stream_enc_stop_dp_info_packets,
+ .dp_set_dsc_pps_info_packet = dcn31_hpo_dp_stream_enc_set_dsc_pps_info_packet,
+ .map_stream_to_link = dcn31_hpo_dp_stream_enc_map_stream_to_link,
+ .audio_mute_control = dcn31_hpo_dp_stream_enc_mute_control,
+ .dp_audio_setup = dcn31_hpo_dp_stream_enc_audio_setup,
+ .dp_audio_enable = dcn31_hpo_dp_stream_enc_audio_enable,
+ .dp_audio_disable = dcn31_hpo_dp_stream_enc_audio_disable,
+ .read_state = dcn31_hpo_dp_stream_enc_read_state,
+};
+
+void dcn31_hpo_dp_stream_encoder_construct(
+ struct dcn31_hpo_dp_stream_encoder *enc3,
+ struct dc_context *ctx,
+ struct dc_bios *bp,
+ uint32_t inst,
+ enum engine_id eng_id,
+ struct vpg *vpg,
+ struct apg *apg,
+ const struct dcn31_hpo_dp_stream_encoder_registers *regs,
+ const struct dcn31_hpo_dp_stream_encoder_shift *hpo_se_shift,
+ const struct dcn31_hpo_dp_stream_encoder_mask *hpo_se_mask)
+{
+ enc3->base.funcs = &dcn30_str_enc_funcs;
+ enc3->base.ctx = ctx;
+ enc3->base.inst = inst;
+ enc3->base.id = eng_id;
+ enc3->base.bp = bp;
+ enc3->base.vpg = vpg;
+ enc3->base.apg = apg;
+ enc3->regs = regs;
+ enc3->hpo_se_shift = hpo_se_shift;
+ enc3->hpo_se_mask = hpo_se_mask;
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.