161 lines
4.5 KiB
C
161 lines
4.5 KiB
C
/*
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* Copyright 2019 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#include "dc_bios_types.h"
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#include "hw_shared.h"
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#include "dcn31_apg.h"
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#include "reg_helper.h"
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#define DC_LOGGER \
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apg31->base.ctx->logger
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#define REG(reg)\
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(apg31->regs->reg)
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#undef FN
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#define FN(reg_name, field_name) \
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apg31->apg_shift->field_name, apg31->apg_mask->field_name
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#define CTX \
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apg31->base.ctx
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static void apg31_enable(
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struct apg *apg)
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{
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struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg);
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/* Reset APG */
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REG_UPDATE(APG_CONTROL, APG_RESET, 1);
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REG_WAIT(APG_CONTROL,
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APG_RESET_DONE, 1,
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1, 10);
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REG_UPDATE(APG_CONTROL, APG_RESET, 0);
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REG_WAIT(APG_CONTROL,
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APG_RESET_DONE, 0,
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1, 10);
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/* Enable APG */
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REG_UPDATE(APG_CONTROL2, APG_ENABLE, 1);
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}
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static void apg31_disable(
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struct apg *apg)
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{
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struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg);
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/* Disable APG */
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REG_UPDATE(APG_CONTROL2, APG_ENABLE, 0);
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}
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static union audio_cea_channels speakers_to_channels(
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struct audio_speaker_flags speaker_flags)
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{
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union audio_cea_channels cea_channels = {0};
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/* these are one to one */
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cea_channels.channels.FL = speaker_flags.FL_FR;
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cea_channels.channels.FR = speaker_flags.FL_FR;
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cea_channels.channels.LFE = speaker_flags.LFE;
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cea_channels.channels.FC = speaker_flags.FC;
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/* if Rear Left and Right exist move RC speaker to channel 7
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* otherwise to channel 5
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*/
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if (speaker_flags.RL_RR) {
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cea_channels.channels.RL_RC = speaker_flags.RL_RR;
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cea_channels.channels.RR = speaker_flags.RL_RR;
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cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;
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} else {
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cea_channels.channels.RL_RC = speaker_flags.RC;
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}
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/* FRONT Left Right Center and REAR Left Right Center are exclusive */
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if (speaker_flags.FLC_FRC) {
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cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;
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cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;
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} else {
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cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;
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cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;
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}
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return cea_channels;
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}
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static void apg31_se_audio_setup(
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struct apg *apg,
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unsigned int az_inst,
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struct audio_info *audio_info)
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{
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struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg);
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uint32_t speakers = 0;
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uint32_t channels = 0;
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ASSERT(audio_info);
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/* This should not happen.it does so we don't get BSOD*/
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if (audio_info == NULL)
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return;
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speakers = audio_info->flags.info.ALLSPEAKERS;
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channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
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/* DisplayPort only allows for one audio stream with stream ID 0 */
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REG_UPDATE(APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, 0);
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/* When running in "pair mode", pairs of audio channels have their own enable
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* this is for really old audio drivers */
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REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, 0xFF);
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// REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, channels);
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/* Disable forced mem power off */
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REG_UPDATE(APG_MEM_PWR, APG_MEM_PWR_FORCE, 0);
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}
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static struct apg_funcs dcn31_apg_funcs = {
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.se_audio_setup = apg31_se_audio_setup,
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.enable_apg = apg31_enable,
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.disable_apg = apg31_disable,
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};
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void apg31_construct(struct dcn31_apg *apg31,
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struct dc_context *ctx,
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uint32_t inst,
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const struct dcn31_apg_registers *apg_regs,
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const struct dcn31_apg_shift *apg_shift,
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const struct dcn31_apg_mask *apg_mask)
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{
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apg31->base.ctx = ctx;
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apg31->base.inst = inst;
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apg31->base.funcs = &dcn31_apg_funcs;
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apg31->regs = apg_regs;
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apg31->apg_shift = apg_shift;
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apg31->apg_mask = apg_mask;
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}
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