#include "reg_helper.h"
#include "core_types.h"
#include "link_encoder.h"
#include "dcn31/dcn31_dio_link_encoder.h"
#include "dcn32_dio_link_encoder.h"
#include "stream_encoder.h"
#include "dc_bios_types.h"
#include "link_enc_cfg.h"
#include "dc_dmub_srv.h"
#include "gpio_service_interface.h"
#ifndef MIN
#define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
#endif
#define CTX \
enc10->base.ctx
#define DC_LOGGER \
enc10->base.ctx->logger
#define REG(reg)\
(enc10->link_regs->reg)
#undef FN
#define FN(reg_name, field_name) \
enc10->link_shift->field_name, enc10->link_mask->field_name
#define AUX_REG(reg)\
(enc10->aux_regs->reg)
#define AUX_REG_READ(reg_name) \
dm_read_reg(CTX, AUX_REG(reg_name))
#define AUX_REG_WRITE(reg_name, val) \
dm_write_reg(CTX, AUX_REG(reg_name), val)
#define HDMI_FRL_EQ__LEVEL__SHIFT 0x0
#define HDMI_FRL_EQ__LEVEL__MASK 0x3
#define HDMI_FRL_EQ__NO_PRE__SHIFT 0x5
#define HDMI_FRL_EQ__NO_DEMPH__SHIFT 0x6
#define HDMI_FRL_EQ__NO_FFE__SHIFT 0x4
static uint8_t phy_id_from_transmitter(enum transmitter t)
{
uint8_t phy_id;
switch (t) {
case TRANSMITTER_UNIPHY_A:
phy_id = 0;
break;
case TRANSMITTER_UNIPHY_B:
phy_id = 1;
break;
case TRANSMITTER_UNIPHY_C:
phy_id = 2;
break;
case TRANSMITTER_UNIPHY_D:
phy_id = 3;
break;
case TRANSMITTER_UNIPHY_E:
phy_id = 4;
break;
case TRANSMITTER_UNIPHY_F:
phy_id = 5;
break;
case TRANSMITTER_UNIPHY_G:
phy_id = 6;
break;
default:
phy_id = 0;
break;
}
return phy_id;
}
void enc32_hw_init(struct link_encoder *enc)
{
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
AUX_REG_WRITE(AUX_DPHY_RX_CONTROL0, 0x103d1110);
AUX_REG_WRITE(AUX_DPHY_TX_CONTROL, 0x21c7a);
REG_UPDATE(TMDS_CTL_BITS, TMDS_CTL0, 1);
dcn10_aux_initialize(enc10);
}
void dcn32_link_encoder_enable_dp_output(
struct link_encoder *enc,
const struct dc_link_settings *link_settings,
enum clock_source_id clock_source)
{
if (!enc->ctx->dc->debug.avoid_vbios_exec_table) {
dcn10_link_encoder_enable_dp_output(enc, link_settings, clock_source);
return;
}
}
static bool query_dp_alt_from_dmub(struct link_encoder *enc,
union dmub_rb_cmd *cmd)
{
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
memset(cmd, 0, sizeof(*cmd));
cmd->query_dp_alt.header.type = DMUB_CMD__VBIOS;
cmd->query_dp_alt.header.sub_type =
DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT;
cmd->query_dp_alt.header.payload_bytes = sizeof(cmd->query_dp_alt.data);
cmd->query_dp_alt.data.phy_id = phy_id_from_transmitter(enc10->base.transmitter);
if (!dc_wake_and_execute_dmub_cmd(enc->ctx, cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY))
return false;
return true;
}
bool dcn32_link_encoder_is_in_alt_mode(struct link_encoder *enc)
{
union dmub_rb_cmd cmd;
if (!query_dp_alt_from_dmub(enc, &cmd))
return false;
return (cmd.query_dp_alt.data.is_dp_alt_disable == 0);
}
void dcn32_link_encoder_get_max_link_cap(struct link_encoder *enc,
struct dc_link_settings *link_settings)
{
union dmub_rb_cmd cmd;
dcn10_link_encoder_get_max_link_cap(enc, link_settings);
if (!query_dp_alt_from_dmub(enc, &cmd))
return;
if (cmd.query_dp_alt.data.is_dp_alt_disable == 0 &&
cmd.query_dp_alt.data.is_usb &&
cmd.query_dp_alt.data.is_dp4 == 0) {
link_settings->lane_count =
MIN(LANE_COUNT_TWO, link_settings->lane_count);
}
}
static enum bp_result link_transmitter_control(
struct dcn10_link_encoder *enc10,
struct bp_transmitter_control *cntl)
{
enum bp_result result;
struct dc_bios *bp = enc10->base.ctx->dc_bios;
result = bp->funcs->transmitter_control(bp, cntl);
return result;
}
void dpcs32_program_eq_setting(
struct link_encoder *enc,
uint8_t FFE_Level,
bool de_emphasis_only,
bool pre_shoot_only,
bool no_ffe,
const struct dc_hdmi_frl_link_settings *link_settings)
{
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
struct bp_transmitter_control cntl = { 0 };
if (enc10->base.ctx->dc->debug.ignore_ffe)
return;
if (FFE_Level < 0x5)
enc10->base.txffe_state = FFE_Level;
if (FFE_Level == 0xEE) {
enc10->base.txffe_state++;
if (enc10->base.txffe_state > 3)
enc10->base.txffe_state = 0;
}
if (no_ffe) {
de_emphasis_only = true;
pre_shoot_only = true;
}
cntl.lane_settings = ((de_emphasis_only ? 1 : 0) << HDMI_FRL_EQ__NO_PRE__SHIFT) |
((pre_shoot_only ? 1 : 0) << HDMI_FRL_EQ__NO_DEMPH__SHIFT) |
((enc10->base.txffe_state & HDMI_FRL_EQ__LEVEL__MASK)
<< HDMI_FRL_EQ__LEVEL__SHIFT);
cntl.lane_select = 0;
cntl.action = TRANSMITTER_CONTROL_SET_VOLTAGE_AND_PREEMPASIS;
cntl.transmitter = enc10->base.transmitter;
cntl.connector_obj_id = enc10->base.connector;
cntl.lanes_number = link_settings->frl_num_lanes;
cntl.hpd_sel = enc10->base.hpd_source;
switch (link_settings->frl_link_rate) {
case HDMI_FRL_LINK_RATE_3GBPS:
cntl.pixel_clock = 166667 / 10;
break;
case HDMI_FRL_LINK_RATE_6GBPS:
case HDMI_FRL_LINK_RATE_6GBPS_4LANE:
cntl.pixel_clock = 333333 / 10;
break;
case HDMI_FRL_LINK_RATE_8GBPS:
cntl.pixel_clock = 444444 / 10;
break;
case HDMI_FRL_LINK_RATE_10GBPS:
cntl.pixel_clock = 555555 / 10;
break;
case HDMI_FRL_LINK_RATE_12GBPS:
default:
cntl.pixel_clock = 666667 / 10;
break;
}
link_transmitter_control(enc10, &cntl);
}
void dpcs32_get_txffe(
struct link_encoder *enc,
struct frl_txffe *lane_settings)
{
(void)enc;
uint32_t eq_main = 0;
uint32_t eq_pre = 0;
uint32_t eq_post = 0;
lane_settings->amplitude[0] = eq_main;
lane_settings->pre_emphasis[0] = eq_pre;
lane_settings->post_emphasis[0] = eq_post;
lane_settings->amplitude[1] = eq_main;
lane_settings->pre_emphasis[1] = eq_pre;
lane_settings->post_emphasis[1] = eq_post;
lane_settings->amplitude[2] = eq_main;
lane_settings->pre_emphasis[2] = eq_pre;
lane_settings->post_emphasis[2] = eq_post;
lane_settings->amplitude[3] = eq_main;
lane_settings->pre_emphasis[3] = eq_pre;
lane_settings->post_emphasis[3] = eq_post;
}
void dpcs32_set_txffe(
struct link_encoder *enc,
struct frl_txffe *lane_settings)
{
(void)enc;
(void)lane_settings;
}
static const struct link_encoder_funcs dcn32_link_enc_funcs = {
.read_state = link_enc2_read_state,
.validate_output_with_stream =
dcn30_link_encoder_validate_output_with_stream,
.hw_init = enc32_hw_init,
.setup = dcn10_link_encoder_setup,
.enable_tmds_output = dcn10_link_encoder_enable_tmds_output,
.enable_dp_output = dcn32_link_encoder_enable_dp_output,
.enable_dp_mst_output = dcn10_link_encoder_enable_dp_mst_output,
.disable_output = dcn10_link_encoder_disable_output,
.dp_set_lane_settings = dcn10_link_encoder_dp_set_lane_settings,
.dp_set_phy_pattern = dcn10_link_encoder_dp_set_phy_pattern,
.update_mst_stream_allocation_table =
dcn10_link_encoder_update_mst_stream_allocation_table,
.psr_program_dp_dphy_fast_training =
dcn10_psr_program_dp_dphy_fast_training,
.psr_program_secondary_packet = dcn10_psr_program_secondary_packet,
.connect_dig_be_to_fe = dcn10_link_encoder_connect_dig_be_to_fe,
.enable_hpd = dcn10_link_encoder_enable_hpd,
.disable_hpd = dcn10_link_encoder_disable_hpd,
.is_dig_enabled = dcn10_is_dig_enabled,
.destroy = dcn10_link_encoder_destroy,
.fec_set_enable = enc2_fec_set_enable,
.fec_set_ready = enc2_fec_set_ready,
.fec_is_active = enc2_fec_is_active,
.get_dig_frontend = dcn10_get_dig_frontend,
.get_dig_mode = dcn10_get_dig_mode,
.is_in_alt_mode = dcn32_link_encoder_is_in_alt_mode,
.get_max_link_cap = dcn32_link_encoder_get_max_link_cap,
.dpcstx_set_order_invert_18_bit = NULL,
.set_phy_source = NULL,
.dpcs_initialize_phy = NULL,
.dpcs_configure_phypll = NULL,
.dpcs_configure_dpcs = NULL,
.dpcs_enable_dpcs = NULL,
.prog_eq_setting = dpcs32_program_eq_setting,
.get_txffe = dpcs32_get_txffe,
.set_txffe = dpcs32_set_txffe,
.set_dio_phy_mux = dcn31_link_encoder_set_dio_phy_mux,
.get_hpd_state = dcn10_get_hpd_state,
.program_hpd_filter = dcn10_program_hpd_filter,
};
void dcn32_link_encoder_construct(
struct dcn20_link_encoder *enc20,
const struct encoder_init_data *init_data,
const struct encoder_feature_support *enc_features,
const struct dcn10_link_enc_registers *link_regs,
const struct dcn10_link_enc_aux_registers *aux_regs,
const struct dcn10_link_enc_hpd_registers *hpd_regs,
const struct dcn10_link_enc_shift *link_shift,
const struct dcn10_link_enc_mask *link_mask)
{
struct bp_connector_speed_cap_info bp_cap_info = {0};
const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
enum bp_result result = BP_RESULT_OK;
struct dcn10_link_encoder *enc10 = &enc20->enc10;
enc10->base.funcs = &dcn32_link_enc_funcs;
enc10->base.ctx = init_data->ctx;
enc10->base.id = init_data->encoder;
enc10->base.hpd_gpio = init_data->hpd_gpio;
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
enc10->base.features = *enc_features;
enc10->base.transmitter = init_data->transmitter;
enc10->base.output_signals =
SIGNAL_TYPE_DVI_SINGLE_LINK |
SIGNAL_TYPE_DVI_DUAL_LINK |
SIGNAL_TYPE_LVDS |
SIGNAL_TYPE_DISPLAY_PORT |
SIGNAL_TYPE_DISPLAY_PORT_MST |
SIGNAL_TYPE_EDP |
SIGNAL_TYPE_HDMI_TYPE_A;
enc10->link_regs = link_regs;
enc10->aux_regs = aux_regs;
enc10->hpd_regs = hpd_regs;
enc10->link_shift = link_shift;
enc10->link_mask = link_mask;
switch (enc10->base.transmitter) {
case TRANSMITTER_UNIPHY_A:
enc10->base.preferred_engine = ENGINE_ID_DIGA;
break;
case TRANSMITTER_UNIPHY_B:
enc10->base.preferred_engine = ENGINE_ID_DIGB;
break;
case TRANSMITTER_UNIPHY_C:
enc10->base.preferred_engine = ENGINE_ID_DIGC;
break;
case TRANSMITTER_UNIPHY_D:
enc10->base.preferred_engine = ENGINE_ID_DIGD;
break;
case TRANSMITTER_UNIPHY_E:
enc10->base.preferred_engine = ENGINE_ID_DIGE;
break;
default:
ASSERT_CRITICAL(false);
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
}
enc10->base.features.flags.bits.HDMI_6GB_EN = 1;
if (bp_funcs->get_connector_speed_cap_info)
result = bp_funcs->get_connector_speed_cap_info(enc10->base.ctx->dc_bios,
enc10->base.connector, &bp_cap_info);
if (result == BP_RESULT_OK) {
enc10->base.features.flags.bits.IS_HBR2_CAPABLE =
bp_cap_info.DP_HBR2_EN;
enc10->base.features.flags.bits.IS_HBR3_CAPABLE =
bp_cap_info.DP_HBR3_EN;
enc10->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
enc10->base.features.flags.bits.IS_DP2_CAPABLE = 1;
enc10->base.features.flags.bits.IS_UHBR10_CAPABLE = bp_cap_info.DP_UHBR10_EN;
enc10->base.features.flags.bits.IS_UHBR13_5_CAPABLE = bp_cap_info.DP_UHBR13_5_EN;
enc10->base.features.flags.bits.IS_UHBR20_CAPABLE = bp_cap_info.DP_UHBR20_EN;
enc10->base.features.flags.bits.IS_HDMI_FRL_CAPABLE = 1;
enc10->base.features.flags.bits.IS_FRL_8G_CAPABLE = bp_cap_info.FRL_8G_EN;
enc10->base.features.flags.bits.IS_FRL_10G_CAPABLE = bp_cap_info.FRL_10G_EN;
enc10->base.features.flags.bits.IS_FRL_12G_CAPABLE = bp_cap_info.FRL_12G_EN;
enc10->base.txffe_state = 0;
} else {
DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
__func__,
result);
}
if (enc10->base.ctx->dc->debug.hdmi20_disable) {
enc10->base.features.flags.bits.HDMI_6GB_EN = 0;
}
if (enc10->base.ctx->dc->config.force_hdmi21_frl_enc_enable) {
enc10->base.features.flags.bits.IS_HDMI_FRL_CAPABLE = 1;
enc10->base.features.flags.bits.IS_FRL_8G_CAPABLE = 1;
enc10->base.features.flags.bits.IS_FRL_10G_CAPABLE = 1;
enc10->base.features.flags.bits.IS_FRL_12G_CAPABLE = 1;
}
}