/* SPDX-License-Identifier: MIT */
/*
* Copyright 2023 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.
*
*/
#include "dc_bios_types.h"
#include "dcn30/dcn30_dio_stream_encoder.h"
#include "dcn314/dcn314_dio_stream_encoder.h"
#include "dcn32/dcn32_dio_stream_encoder.h"
#include "dcn35_dio_stream_encoder.h"
#include "reg_helper.h"
#include "hw_shared.h"
#include "link.h"
#include "dpcd_defs.h"
#define DC_LOGGER \
enc1->base.ctx->logger
#define REG(reg)\
(enc1->regs->reg)
#undef FN
#define FN(reg_name, field_name) \
enc1->se_shift->field_name, enc1->se_mask->field_name
#define VBI_LINE_0 0
#define HDMI_CLOCK_CHANNEL_RATE_MORE_340M 340000
#define CTX \
enc1->base.ctx
/* setup stream encoder in dvi mode */
static void enc35_stream_encoder_dvi_set_stream_attribute(
struct stream_encoder *enc,
struct dc_crtc_timing *crtc_timing,
bool is_dual_link)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
if (!enc->ctx->dc->debug.avoid_vbios_exec_table) {
struct bp_encoder_control cntl = {0};
cntl.action = ENCODER_CONTROL_SETUP;
cntl.engine_id = enc1->base.id;
cntl.signal = is_dual_link ?
SIGNAL_TYPE_DVI_DUAL_LINK : SIGNAL_TYPE_DVI_SINGLE_LINK;
cntl.enable_dp_audio = false;
cntl.pixel_clock = crtc_timing->pix_clk_100hz / 10;
cntl.lanes_number = (is_dual_link) ? LANE_COUNT_EIGHT : LANE_COUNT_FOUR;
if (enc1->base.bp->funcs->encoder_control(
enc1->base.bp, &cntl) != BP_RESULT_OK)
return;
} else {
//Set pattern for clock channel, default vlue 0x63 does not work
REG_UPDATE(DIG_CLOCK_PATTERN, DIG_CLOCK_PATTERN, 0x1F);
//DIG_BE_TMDS_DVI_MODE : TMDS-DVI mode is already set in link_encoder_setup
//DIG_SOURCE_SELECT is already set in dig_connect_to_otg
/* DIG_START is removed from the register spec */
}
ASSERT(crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB);
ASSERT(crtc_timing->display_color_depth == COLOR_DEPTH_888);
enc1_stream_encoder_set_stream_attribute_helper(enc1, crtc_timing);
}
/* setup stream encoder in hdmi mode */
static void enc35_stream_encoder_hdmi_set_stream_attribute(
struct stream_encoder *enc,
struct dc_crtc_timing *crtc_timing,
int actual_pix_clk_khz,
bool enable_audio)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
if (!enc->ctx->dc->debug.avoid_vbios_exec_table) {
struct bp_encoder_control cntl = {0};
cntl.action = ENCODER_CONTROL_SETUP;
cntl.engine_id = enc1->base.id;
cntl.signal = SIGNAL_TYPE_HDMI_TYPE_A;
cntl.enable_dp_audio = enable_audio;
cntl.pixel_clock = actual_pix_clk_khz;
cntl.lanes_number = LANE_COUNT_FOUR;
if (enc1->base.bp->funcs->encoder_control(
enc1->base.bp, &cntl) != BP_RESULT_OK)
return;
} else {
//Set pattern for clock channel, default vlue 0x63 does not work
REG_UPDATE(DIG_CLOCK_PATTERN, DIG_CLOCK_PATTERN, 0x1F);
//DIG_BE_TMDS_HDMI_MODE : TMDS-HDMI mode is already set in link_encoder_setup
//DIG_SOURCE_SELECT is already set in dig_connect_to_otg
/* DIG_START is removed from the register spec */
enc314_enable_fifo(enc);
}
/* Configure pixel encoding */
enc1_stream_encoder_set_stream_attribute_helper(enc1, crtc_timing);
/* setup HDMI engine */
REG_UPDATE_6(HDMI_CONTROL,
HDMI_PACKET_GEN_VERSION, 1,
HDMI_KEEPOUT_MODE, 1,
HDMI_DEEP_COLOR_ENABLE, 0,
HDMI_DATA_SCRAMBLE_EN, 0,
HDMI_NO_EXTRA_NULL_PACKET_FILLED, 1,
HDMI_CLOCK_CHANNEL_RATE, 0);
/* Configure color depth */
switch (crtc_timing->display_color_depth) {
case COLOR_DEPTH_888:
REG_UPDATE(HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
break;
case COLOR_DEPTH_101010:
if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
REG_UPDATE_2(HDMI_CONTROL,
HDMI_DEEP_COLOR_DEPTH, 1,
HDMI_DEEP_COLOR_ENABLE, 0);
} else {
REG_UPDATE_2(HDMI_CONTROL,
HDMI_DEEP_COLOR_DEPTH, 1,
HDMI_DEEP_COLOR_ENABLE, 1);
}
break;
case COLOR_DEPTH_121212:
if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
REG_UPDATE_2(HDMI_CONTROL,
HDMI_DEEP_COLOR_DEPTH, 2,
HDMI_DEEP_COLOR_ENABLE, 0);
} else {
REG_UPDATE_2(HDMI_CONTROL,
HDMI_DEEP_COLOR_DEPTH, 2,
HDMI_DEEP_COLOR_ENABLE, 1);
}
break;
case COLOR_DEPTH_161616:
REG_UPDATE_2(HDMI_CONTROL,
HDMI_DEEP_COLOR_DEPTH, 3,
HDMI_DEEP_COLOR_ENABLE, 1);
break;
default:
break;
}
if (actual_pix_clk_khz >= HDMI_CLOCK_CHANNEL_RATE_MORE_340M) {
/* enable HDMI data scrambler
* HDMI_CLOCK_CHANNEL_RATE_MORE_340M
* Clock channel frequency is 1/4 of character rate.
*/
REG_UPDATE_2(HDMI_CONTROL,
HDMI_DATA_SCRAMBLE_EN, 1,
HDMI_CLOCK_CHANNEL_RATE, 1);
} else if (crtc_timing->flags.LTE_340MCSC_SCRAMBLE) {
/* TODO: New feature for DCE11, still need to implement */
/* enable HDMI data scrambler
* HDMI_CLOCK_CHANNEL_FREQ_EQUAL_TO_CHAR_RATE
* Clock channel frequency is the same
* as character rate
*/
REG_UPDATE_2(HDMI_CONTROL,
HDMI_DATA_SCRAMBLE_EN, 1,
HDMI_CLOCK_CHANNEL_RATE, 0);
}
/* Enable transmission of General Control packet on every frame */
REG_UPDATE_3(HDMI_VBI_PACKET_CONTROL,
HDMI_GC_CONT, 1,
HDMI_GC_SEND, 1,
HDMI_NULL_SEND, 1);
/* Disable Audio Content Protection packet transmission */
REG_UPDATE(HDMI_VBI_PACKET_CONTROL, HDMI_ACP_SEND, 0);
/* following belongs to audio */
/* Enable Audio InfoFrame packet transmission. */
REG_UPDATE(HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
/* update double-buffered AUDIO_INFO registers immediately */
ASSERT(enc->afmt);
enc->afmt->funcs->audio_info_immediate_update(enc->afmt);
/* Select line number on which to send Audio InfoFrame packets */
REG_UPDATE(HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE,
VBI_LINE_0 + 2);
/* set HDMI GC AVMUTE */
REG_UPDATE(HDMI_GC, HDMI_GC_AVMUTE, 0);
switch (crtc_timing->pixel_encoding) {
case PIXEL_ENCODING_YCBCR422:
REG_UPDATE(HDMI_CONTROL, TMDS_PIXEL_ENCODING, 1);
break;
default:
REG_UPDATE(HDMI_CONTROL, TMDS_PIXEL_ENCODING, 0);
break;
}
REG_UPDATE(HDMI_CONTROL, TMDS_COLOR_FORMAT, 0);
}
static void enc35_stream_encoder_enable(
struct stream_encoder *enc,
enum signal_type signal,
bool enable)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
if (enable) {
switch (signal) {
case SIGNAL_TYPE_DVI_SINGLE_LINK:
case SIGNAL_TYPE_DVI_DUAL_LINK:
/* TMDS-DVI */
REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 2);
break;
case SIGNAL_TYPE_HDMI_TYPE_A:
/* TMDS-HDMI */
REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 3);
break;
case SIGNAL_TYPE_DISPLAY_PORT_MST:
/* DP MST */
REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 5);
break;
case SIGNAL_TYPE_EDP:
case SIGNAL_TYPE_DISPLAY_PORT:
case SIGNAL_TYPE_VIRTUAL:
/* DP SST */
REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 0);
break;
default:
/* invalid mode ! */
ASSERT_CRITICAL(false);
}
}
}
static bool is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
{
bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420;
two_pix = two_pix || (timing->flags.DSC && timing->pixel_encoding == PIXEL_ENCODING_YCBCR422
&& !timing->dsc_cfg.ycbcr422_simple);
return two_pix;
}
static void enc35_stream_encoder_dp_unblank(
struct dc_link *link,
struct stream_encoder *enc,
const struct encoder_unblank_param *param)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
if (param->link_settings.link_rate != LINK_RATE_UNKNOWN) {
uint32_t n_vid = 0x8000;
uint32_t m_vid;
uint32_t n_multiply = 0;
uint32_t pix_per_cycle = 0;
uint64_t m_vid_l = n_vid;
/* YCbCr 4:2:0 : Computed VID_M will be 2X the input rate */
if (is_two_pixels_per_containter(¶m->timing) || param->opp_cnt > 1
|| param->pix_per_cycle > 1) {
/*this logic should be the same in get_pixel_clock_parameters() */
n_multiply = 1;
pix_per_cycle = 1;
}
/* M / N = Fstream / Flink
* m_vid / n_vid = pixel rate / link rate
*/
m_vid_l *= param->timing.pix_clk_100hz / 10;
m_vid_l = div_u64(m_vid_l,
param->link_settings.link_rate
* LINK_RATE_REF_FREQ_IN_KHZ);
m_vid = (uint32_t) m_vid_l;
/* enable auto measurement */
REG_UPDATE(DP_VID_TIMING, DP_VID_M_N_GEN_EN, 0);
/* auto measurement need 1 full 0x8000 symbol cycle to kick in,
* therefore program initial value for Mvid and Nvid
*/
REG_UPDATE(DP_VID_N, DP_VID_N, n_vid);
REG_UPDATE(DP_VID_M, DP_VID_M, m_vid);
REG_UPDATE_2(DP_VID_TIMING,
DP_VID_M_N_GEN_EN, 1,
DP_VID_N_MUL, n_multiply);
REG_UPDATE(DP_PIXEL_FORMAT,
DP_PIXEL_PER_CYCLE_PROCESSING_MODE,
pix_per_cycle);
}
/* make sure stream is disabled before resetting steer fifo */
REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, false);
REG_WAIT(DP_VID_STREAM_CNTL, DP_VID_STREAM_STATUS, 0, 10, 5000);
/* DIG_START is removed from the register spec */
/* switch DP encoder to CRTC data, but reset it the fifo first. It may happen
* that it overflows during mode transition, and sometimes doesn't recover.
*/
REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 1);
udelay(10);
REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 0);
/* wait 100us for DIG/DP logic to prime
* (i.e. a few video lines)
*/
udelay(100);
/* the hardware would start sending video at the start of the next DP
* frame (i.e. rising edge of the vblank).
* NOTE: We used to program DP_VID_STREAM_DIS_DEFER = 2 here, but this
* register has no effect on enable transition! HW always makes sure
* VID_STREAM enable at start of next frame, and this is not
* programmable
*/
REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true);
/*
* DIG Resync FIFO now needs to be explicitly enabled.
* This should come after DP_VID_STREAM_ENABLE per HW docs.
*/
enc314_enable_fifo(enc);
link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
}
static void enc35_stream_encoder_map_to_link(
struct stream_encoder *enc,
uint32_t stream_enc_inst,
uint32_t link_enc_inst)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
ASSERT(stream_enc_inst < 5 && link_enc_inst < 5);
REG_UPDATE(STREAM_MAPPER_CONTROL,
DIG_STREAM_LINK_TARGET, link_enc_inst);
}
static void enc35_reset_fifo(struct stream_encoder *enc, bool reset)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
uint32_t reset_val = reset ? 1 : 0;
uint32_t is_symclk_on;
REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_RESET, reset_val);
REG_GET(DIG_FE_CLK_CNTL, DIG_FE_SYMCLK_FE_G_CLOCK_ON, &is_symclk_on);
if (is_symclk_on)
REG_WAIT(DIG_FIFO_CTRL0, DIG_FIFO_RESET_DONE, reset_val, 10, 5000);
else
udelay(10);
}
static bool enc35_is_fifo_enabled(struct stream_encoder *enc)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
uint32_t reset_val;
REG_GET(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, &reset_val);
return (reset_val == 0) ? false : true;
}
void enc35_disable_fifo(struct stream_encoder *enc)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, 0);
REG_UPDATE(DIG_FE_EN_CNTL, DIG_FE_ENABLE, 0);
REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_CLK_EN, 0);
}
void enc35_enable_fifo(struct stream_encoder *enc)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_READ_START_LEVEL, 0x7);
REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_CLK_EN, 1);
REG_UPDATE(DIG_FE_EN_CNTL, DIG_FE_ENABLE, 1);
enc35_reset_fifo(enc, true);
enc35_reset_fifo(enc, false);
REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, 1);
}
static uint32_t enc35_get_pixels_per_cycle(struct stream_encoder *enc)
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
uint32_t value;
REG_GET(DIG_FIFO_CTRL0, DIG_FIFO_OUTPUT_PIXEL_MODE, &value);
switch (value) {
case 0:
return 1;
case 1:
return 2;
default:
ASSERT_CRITICAL(false);
return 1;
}
}
static const struct stream_encoder_funcs dcn35_str_enc_funcs = {
.dp_set_odm_combine =
enc314_dp_set_odm_combine,
.dp_set_stream_attribute =
enc2_stream_encoder_dp_set_stream_attribute,
.hdmi_set_stream_attribute =
enc35_stream_encoder_hdmi_set_stream_attribute,
.dvi_set_stream_attribute =
enc35_stream_encoder_dvi_set_stream_attribute,
.set_throttled_vcp_size =
enc1_stream_encoder_set_throttled_vcp_size,
.update_hdmi_info_packets =
enc3_stream_encoder_update_hdmi_info_packets,
.stop_hdmi_info_packets =
enc3_stream_encoder_stop_hdmi_info_packets,
.update_dp_info_packets_sdp_line_num =
enc3_stream_encoder_update_dp_info_packets_sdp_line_num,
.update_dp_info_packets =
enc3_stream_encoder_update_dp_info_packets,
.stop_dp_info_packets =
enc1_stream_encoder_stop_dp_info_packets,
.dp_blank =
enc314_stream_encoder_dp_blank,
.dp_unblank =
enc35_stream_encoder_dp_unblank,
.audio_mute_control = enc3_audio_mute_control,
.dp_audio_setup = enc3_se_dp_audio_setup,
.dp_audio_enable = enc3_se_dp_audio_enable,
.dp_audio_disable = enc1_se_dp_audio_disable,
.hdmi_audio_setup = enc3_se_hdmi_audio_setup,
.hdmi_audio_disable = enc1_se_hdmi_audio_disable,
.setup_stereo_sync = enc1_setup_stereo_sync,
.set_avmute = enc1_stream_encoder_set_avmute,
.dig_connect_to_otg = enc1_dig_connect_to_otg,
.dig_source_otg = enc1_dig_source_otg,
.dp_get_pixel_format = enc1_stream_encoder_dp_get_pixel_format,
.enc_read_state = enc314_read_state,
.dp_set_dsc_config = enc314_dp_set_dsc_config,
.dp_set_dsc_pps_info_packet = enc3_dp_set_dsc_pps_info_packet,
.set_dynamic_metadata = enc2_set_dynamic_metadata,
.hdmi_reset_stream_attribute = enc1_reset_hdmi_stream_attribute,
.enable_stream = enc35_stream_encoder_enable,
.set_input_mode = enc314_set_dig_input_mode,
.enable_fifo = enc35_enable_fifo,
.disable_fifo = enc35_disable_fifo,
.is_fifo_enabled = enc35_is_fifo_enabled,
.map_stream_to_link = enc35_stream_encoder_map_to_link,
.get_pixels_per_cycle = enc35_get_pixels_per_cycle,
};
void dcn35_dio_stream_encoder_construct(
struct dcn10_stream_encoder *enc1,
struct dc_context *ctx,
struct dc_bios *bp,
enum engine_id eng_id,
struct vpg *vpg,
struct afmt *afmt,
const struct dcn10_stream_enc_registers *regs,
const struct dcn10_stream_encoder_shift *se_shift,
const struct dcn10_stream_encoder_mask *se_mask)
{
enc1->base.funcs = &dcn35_str_enc_funcs;
enc1->base.ctx = ctx;
enc1->base.id = eng_id;
enc1->base.bp = bp;
enc1->base.vpg = vpg;
enc1->base.afmt = afmt;
enc1->regs = regs;
enc1->se_shift = se_shift;
enc1->se_mask = se_mask;
enc1->base.stream_enc_inst = vpg->inst;
}
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