1/* 2 * Copyright 2019 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25#include "dc_bios_types.h" 26#include "dcn31/dcn31_hpo_dp_link_encoder.h" 27#include "dcn32_hpo_dp_link_encoder.h" 28#include "reg_helper.h" 29#include "stream_encoder.h" 30 31#define DC_LOGGER \ 32 enc3->base.ctx->logger 33 34#define REG(reg)\ 35 (enc3->regs->reg) 36 37#undef FN 38#define FN(reg_name, field_name) \ 39 enc3->hpo_le_shift->field_name, enc3->hpo_le_mask->field_name 40 41#define CTX \ 42 enc3->base.ctx 43 44static bool dcn32_hpo_dp_link_enc_is_in_alt_mode( 45 struct hpo_dp_link_encoder *enc) 46{ 47 struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); 48 uint32_t dp_alt_mode_disable = 0; 49 50 ASSERT((enc->transmitter >= TRANSMITTER_UNIPHY_A) && (enc->transmitter <= TRANSMITTER_UNIPHY_E)); 51 52 /* if value == 1 alt mode is disabled, otherwise it is enabled */ 53 REG_GET(RDPCSTX_PHY_CNTL6[enc->transmitter], RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable); 54 return (dp_alt_mode_disable == 0); 55} 56 57 58 59static struct hpo_dp_link_encoder_funcs dcn32_hpo_dp_link_encoder_funcs = { 60 .enable_link_phy = dcn31_hpo_dp_link_enc_enable_dp_output, 61 .disable_link_phy = dcn31_hpo_dp_link_enc_disable_output, 62 .link_enable = dcn31_hpo_dp_link_enc_enable, 63 .link_disable = dcn31_hpo_dp_link_enc_disable, 64 .set_link_test_pattern = dcn31_hpo_dp_link_enc_set_link_test_pattern, 65 .update_stream_allocation_table = dcn31_hpo_dp_link_enc_update_stream_allocation_table, 66 .set_throttled_vcp_size = dcn31_hpo_dp_link_enc_set_throttled_vcp_size, 67 .is_in_alt_mode = dcn32_hpo_dp_link_enc_is_in_alt_mode, 68 .read_state = dcn31_hpo_dp_link_enc_read_state, 69 .set_ffe = dcn31_hpo_dp_link_enc_set_ffe, 70}; 71 72void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31, 73 struct dc_context *ctx, 74 uint32_t inst, 75 const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs, 76 const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift, 77 const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask) 78{ 79 enc31->base.ctx = ctx; 80 81 enc31->base.inst = inst; 82 enc31->base.funcs = &dcn32_hpo_dp_link_encoder_funcs; 83 enc31->base.hpd_source = HPD_SOURCEID_UNKNOWN; 84 enc31->base.transmitter = TRANSMITTER_UNKNOWN; 85 86 enc31->regs = hpo_le_regs; 87 enc31->hpo_le_shift = hpo_le_shift; 88 enc31->hpo_le_mask = hpo_le_mask; 89} 90