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 "dc_link.h" 30 #include "stream_encoder.h" 31 32 #define DC_LOGGER \ 33 enc3->base.ctx->logger 34 35 #define REG(reg)\ 36 (enc3->regs->reg) 37 38 #undef FN 39 #define FN(reg_name, field_name) \ 40 enc3->hpo_le_shift->field_name, enc3->hpo_le_mask->field_name 41 42 #define CTX \ 43 enc3->base.ctx 44 45 static bool dcn32_hpo_dp_link_enc_is_in_alt_mode( 46 struct hpo_dp_link_encoder *enc) 47 { 48 struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); 49 uint32_t dp_alt_mode_disable = 0; 50 51 ASSERT((enc->transmitter >= TRANSMITTER_UNIPHY_A) && (enc->transmitter <= TRANSMITTER_UNIPHY_E)); 52 53 /* if value == 1 alt mode is disabled, otherwise it is enabled */ 54 REG_GET(RDPCSTX_PHY_CNTL6[enc->transmitter], RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable); 55 return (dp_alt_mode_disable == 0); 56 } 57 58 59 60 static struct hpo_dp_link_encoder_funcs dcn32_hpo_dp_link_encoder_funcs = { 61 .enable_link_phy = dcn31_hpo_dp_link_enc_enable_dp_output, 62 .disable_link_phy = dcn31_hpo_dp_link_enc_disable_output, 63 .link_enable = dcn31_hpo_dp_link_enc_enable, 64 .link_disable = dcn31_hpo_dp_link_enc_disable, 65 .set_link_test_pattern = dcn31_hpo_dp_link_enc_set_link_test_pattern, 66 .update_stream_allocation_table = dcn31_hpo_dp_link_enc_update_stream_allocation_table, 67 .set_throttled_vcp_size = dcn31_hpo_dp_link_enc_set_throttled_vcp_size, 68 .is_in_alt_mode = dcn32_hpo_dp_link_enc_is_in_alt_mode, 69 .read_state = dcn31_hpo_dp_link_enc_read_state, 70 .set_ffe = dcn31_hpo_dp_link_enc_set_ffe, 71 }; 72 73 void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31, 74 struct dc_context *ctx, 75 uint32_t inst, 76 const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs, 77 const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift, 78 const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask) 79 { 80 enc31->base.ctx = ctx; 81 82 enc31->base.inst = inst; 83 enc31->base.funcs = &dcn32_hpo_dp_link_encoder_funcs; 84 enc31->base.hpd_source = HPD_SOURCEID_UNKNOWN; 85 enc31->base.transmitter = TRANSMITTER_UNKNOWN; 86 87 enc31->regs = hpo_le_regs; 88 enc31->hpo_le_shift = hpo_le_shift; 89 enc31->hpo_le_mask = hpo_le_mask; 90 } 91