/* * Copyright 2012-15 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 "reg_helper.h" #include #include "core_types.h" #include "link_encoder.h" #include "dcn21_link_encoder.h" #include "stream_encoder.h" #include "i2caux_interface.h" #include "dc_bios_types.h" #include "gpio_service_interface.h" #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 IND_REG(index) \ (enc10->link_regs->index) static struct mpll_cfg dcn21_mpll_cfg_ref[] = { // RBR { .hdmimode_enable = 0, .ref_range = 1, .ref_clk_mpllb_div = 1, .mpllb_ssc_en = 1, .mpllb_div5_clk_en = 1, .mpllb_multiplier = 238, .mpllb_fracn_en = 0, .mpllb_fracn_quot = 0, .mpllb_fracn_rem = 0, .mpllb_fracn_den = 1, .mpllb_ssc_up_spread = 0, .mpllb_ssc_peak = 44237, .mpllb_ssc_stepsize = 59454, .mpllb_div_clk_en = 0, .mpllb_div_multiplier = 0, .mpllb_hdmi_div = 0, .mpllb_tx_clk_div = 2, .tx_vboost_lvl = 5, .mpllb_pmix_en = 1, .mpllb_word_div2_en = 0, .mpllb_ana_v2i = 2, .mpllb_ana_freq_vco = 2, .mpllb_ana_cp_int = 9, .mpllb_ana_cp_prop = 15, .hdmi_pixel_clk_div = 0, }, // HBR { .hdmimode_enable = 0, .ref_range = 1, .ref_clk_mpllb_div = 1, .mpllb_ssc_en = 1, .mpllb_div5_clk_en = 1, .mpllb_multiplier = 192, .mpllb_fracn_en = 1, .mpllb_fracn_quot = 32768, .mpllb_fracn_rem = 0, .mpllb_fracn_den = 1, .mpllb_ssc_up_spread = 0, .mpllb_ssc_peak = 36864, .mpllb_ssc_stepsize = 49545, .mpllb_div_clk_en = 0, .mpllb_div_multiplier = 0, .mpllb_hdmi_div = 0, .mpllb_tx_clk_div = 1, .tx_vboost_lvl = 5, .mpllb_pmix_en = 1, .mpllb_word_div2_en = 0, .mpllb_ana_v2i = 2, .mpllb_ana_freq_vco = 3, .mpllb_ana_cp_int = 9, .mpllb_ana_cp_prop = 15, .hdmi_pixel_clk_div = 0, }, //HBR2 { .hdmimode_enable = 0, .ref_range = 1, .ref_clk_mpllb_div = 1, .mpllb_ssc_en = 1, .mpllb_div5_clk_en = 1, .mpllb_multiplier = 192, .mpllb_fracn_en = 1, .mpllb_fracn_quot = 32768, .mpllb_fracn_rem = 0, .mpllb_fracn_den = 1, .mpllb_ssc_up_spread = 0, .mpllb_ssc_peak = 36864, .mpllb_ssc_stepsize = 49545, .mpllb_div_clk_en = 0, .mpllb_div_multiplier = 0, .mpllb_hdmi_div = 0, .mpllb_tx_clk_div = 0, .tx_vboost_lvl = 5, .mpllb_pmix_en = 1, .mpllb_word_div2_en = 0, .mpllb_ana_v2i = 2, .mpllb_ana_freq_vco = 3, .mpllb_ana_cp_int = 9, .mpllb_ana_cp_prop = 15, .hdmi_pixel_clk_div = 0, }, //HBR3 { .hdmimode_enable = 0, .ref_range = 1, .ref_clk_mpllb_div = 1, .mpllb_ssc_en = 1, .mpllb_div5_clk_en = 1, .mpllb_multiplier = 304, .mpllb_fracn_en = 1, .mpllb_fracn_quot = 49152, .mpllb_fracn_rem = 0, .mpllb_fracn_den = 1, .mpllb_ssc_up_spread = 0, .mpllb_ssc_peak = 55296, .mpllb_ssc_stepsize = 74318, .mpllb_div_clk_en = 0, .mpllb_div_multiplier = 0, .mpllb_hdmi_div = 0, .mpllb_tx_clk_div = 0, .tx_vboost_lvl = 5, .mpllb_pmix_en = 1, .mpllb_word_div2_en = 0, .mpllb_ana_v2i = 2, .mpllb_ana_freq_vco = 1, .mpllb_ana_cp_int = 7, .mpllb_ana_cp_prop = 16, .hdmi_pixel_clk_div = 0, }, }; static bool update_cfg_data( struct dcn10_link_encoder *enc10, const struct dc_link_settings *link_settings, struct dpcssys_phy_seq_cfg *cfg) { int i; cfg->load_sram_fw = false; cfg->use_calibration_setting = true; //TODO: need to implement a proper lane mapping for Renoir. for (i = 0; i < 4; i++) cfg->lane_en[i] = true; switch (link_settings->link_rate) { case LINK_RATE_LOW: cfg->mpll_cfg = dcn21_mpll_cfg_ref[0]; break; case LINK_RATE_HIGH: cfg->mpll_cfg = dcn21_mpll_cfg_ref[1]; break; case LINK_RATE_HIGH2: cfg->mpll_cfg = dcn21_mpll_cfg_ref[2]; break; case LINK_RATE_HIGH3: cfg->mpll_cfg = dcn21_mpll_cfg_ref[3]; break; default: DC_LOG_ERROR("%s: No supported link rate found %X!\n", __func__, link_settings->link_rate); return false; } return true; } bool dcn21_link_encoder_acquire_phy(struct link_encoder *enc) { struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); int value; if (enc->features.flags.bits.DP_IS_USB_C) { REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &value); if (value == 1) { ASSERT(0); return false; } REG_UPDATE(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE_ACK, 0); udelay(40); REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &value); if (value == 1) { ASSERT(0); REG_UPDATE(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE_ACK, 1); return false; } } REG_UPDATE(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DP_REF_CLK_EN, 1); return true; } static void dcn21_link_encoder_release_phy(struct link_encoder *enc) { struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); if (enc->features.flags.bits.DP_IS_USB_C) { REG_UPDATE(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE_ACK, 1); } REG_UPDATE(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DP_REF_CLK_EN, 0); } void dcn21_link_encoder_enable_dp_output( struct link_encoder *enc, const struct dc_link_settings *link_settings, enum clock_source_id clock_source) { struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); struct dcn21_link_encoder *enc21 = (struct dcn21_link_encoder *) enc10; struct dpcssys_phy_seq_cfg *cfg = &enc21->phy_seq_cfg; if (!dcn21_link_encoder_acquire_phy(enc)) return; if (!enc->ctx->dc->debug.avoid_vbios_exec_table) { dcn10_link_encoder_enable_dp_output(enc, link_settings, clock_source); return; } if (!update_cfg_data(enc10, link_settings, cfg)) return; enc1_configure_encoder(enc10, link_settings); dcn10_link_encoder_setup(enc, SIGNAL_TYPE_DISPLAY_PORT); } void dcn21_link_encoder_enable_dp_mst_output( struct link_encoder *enc, const struct dc_link_settings *link_settings, enum clock_source_id clock_source) { if (!dcn21_link_encoder_acquire_phy(enc)) return; dcn10_link_encoder_enable_dp_mst_output(enc, link_settings, clock_source); } void dcn21_link_encoder_disable_output( struct link_encoder *enc, enum signal_type signal) { dcn10_link_encoder_disable_output(enc, signal); if (dc_is_dp_signal(signal)) dcn21_link_encoder_release_phy(enc); } static const struct link_encoder_funcs dcn21_link_enc_funcs = { .read_state = link_enc2_read_state, .validate_output_with_stream = dcn10_link_encoder_validate_output_with_stream, .hw_init = enc2_hw_init, .setup = dcn10_link_encoder_setup, .enable_tmds_output = dcn10_link_encoder_enable_tmds_output, .enable_dp_output = dcn21_link_encoder_enable_dp_output, .enable_dp_mst_output = dcn21_link_encoder_enable_dp_mst_output, .disable_output = dcn21_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, .is_in_alt_mode = dcn20_link_encoder_is_in_alt_mode, .get_max_link_cap = dcn20_link_encoder_get_max_link_cap, }; void dcn21_link_encoder_construct( struct dcn21_link_encoder *enc21, 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_encoder_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 = &enc21->enc10; enc10->base.funcs = &dcn21_link_enc_funcs; enc10->base.ctx = init_data->ctx; enc10->base.id = init_data->encoder; 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; /* set the flag to indicate whether driver poll the I2C data pin * while doing the DP sink detect */ /* if (dal_adapter_service_is_feature_supported(as, FEATURE_DP_SINK_DETECT_POLL_DATA_PIN)) enc10->base.features.flags.bits. DP_SINK_DETECT_POLL_DATA_PIN = true;*/ 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; /* For DCE 8.0 and 8.1, by design, UNIPHY is hardwired to DIG_BE. * SW always assign DIG_FE 1:1 mapped to DIG_FE for non-MST UNIPHY. * SW assign DIG_FE to non-MST UNIPHY first and MST last. So prefer * DIG is per UNIPHY and used by SST DP, eDP, HDMI, DVI and LVDS. * Prefer DIG assignment is decided by board design. * For DCE 8.0, there are only max 6 UNIPHYs, we assume board design * and VBIOS will filter out 7 UNIPHY for DCE 8.0. * By this, adding DIGG should not hurt DCE 8.0. * This will let DCE 8.1 share DCE 8.0 as much as possible */ 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; case TRANSMITTER_UNIPHY_F: enc10->base.preferred_engine = ENGINE_ID_DIGF; break; case TRANSMITTER_UNIPHY_G: enc10->base.preferred_engine = ENGINE_ID_DIGG; break; default: ASSERT_CRITICAL(false); enc10->base.preferred_engine = ENGINE_ID_UNKNOWN; } /* default to one to mirror Windows behavior */ enc10->base.features.flags.bits.HDMI_6GB_EN = 1; result = bp_funcs->get_encoder_cap_info(enc10->base.ctx->dc_bios, enc10->base.id, &bp_cap_info); /* Override features with DCE-specific values */ 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.DP_IS_USB_C = bp_cap_info.DP_IS_USB_C; } 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; } }