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1/*2 * Copyright 2020 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 *  and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: AMD23 *24 */25 26 27#include "dc_bios_types.h"28#include "hw_shared.h"29#include "dcn30_afmt.h"30#include "reg_helper.h"31 32#define DC_LOGGER \33		afmt3->base.ctx->logger34 35#define REG(reg)\36	(afmt3->regs->reg)37 38#undef FN39#define FN(reg_name, field_name) \40	afmt3->afmt_shift->field_name, afmt3->afmt_mask->field_name41 42 43#define CTX \44	afmt3->base.ctx45 46 47void afmt3_setup_hdmi_audio(48	struct afmt *afmt)49{50	struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);51 52	if (afmt->funcs->afmt_poweron)53		afmt->funcs->afmt_poweron(afmt);54 55	/* AFMT_AUDIO_PACKET_CONTROL */56	REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);57 58	/* AFMT_AUDIO_PACKET_CONTROL2 */59	REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,60			AFMT_AUDIO_LAYOUT_OVRD, 0,61			AFMT_60958_OSF_OVRD, 0);62 63	/* AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L_MASK &64	 * AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK65	 */66	REG_UPDATE_2(AFMT_60958_0,67			AFMT_60958_CS_CHANNEL_NUMBER_L, 1,68			AFMT_60958_CS_CLOCK_ACCURACY, 0);69 70	/* AFMT_60958_1 AFMT_60958_CS_CHALNNEL_NUMBER_R */71	REG_UPDATE(AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);72 73	/* AFMT_60958_2 now keep this settings until74	 * Programming guide comes out75	 */76	REG_UPDATE_6(AFMT_60958_2,77			AFMT_60958_CS_CHANNEL_NUMBER_2, 3,78			AFMT_60958_CS_CHANNEL_NUMBER_3, 4,79			AFMT_60958_CS_CHANNEL_NUMBER_4, 5,80			AFMT_60958_CS_CHANNEL_NUMBER_5, 6,81			AFMT_60958_CS_CHANNEL_NUMBER_6, 7,82			AFMT_60958_CS_CHANNEL_NUMBER_7, 8);83}84 85static union audio_cea_channels speakers_to_channels(86	struct audio_speaker_flags speaker_flags)87{88	union audio_cea_channels cea_channels = {0};89 90	/* these are one to one */91	cea_channels.channels.FL = speaker_flags.FL_FR;92	cea_channels.channels.FR = speaker_flags.FL_FR;93	cea_channels.channels.LFE = speaker_flags.LFE;94	cea_channels.channels.FC = speaker_flags.FC;95 96	/* if Rear Left and Right exist move RC speaker to channel 797	 * otherwise to channel 598	 */99	if (speaker_flags.RL_RR) {100		cea_channels.channels.RL_RC = speaker_flags.RL_RR;101		cea_channels.channels.RR = speaker_flags.RL_RR;102		cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;103	} else {104		cea_channels.channels.RL_RC = speaker_flags.RC;105	}106 107	/* FRONT Left Right Center and REAR Left Right Center are exclusive */108	if (speaker_flags.FLC_FRC) {109		cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;110		cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;111	} else {112		cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;113		cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;114	}115 116	return cea_channels;117}118 119void afmt3_se_audio_setup(120	struct afmt *afmt,121	unsigned int az_inst,122	struct audio_info *audio_info)123{124	struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);125 126	uint32_t channels = 0;127 128	ASSERT(audio_info);129	/* This should not happen.it does so we don't get BSOD*/130	if (audio_info == NULL)131		return;132 133	channels = speakers_to_channels(audio_info->flags.speaker_flags).all;134 135	/* setup the audio stream source select (audio -> dig mapping) */136	REG_SET(AFMT_AUDIO_SRC_CONTROL, 0, AFMT_AUDIO_SRC_SELECT, az_inst);137 138	/* Channel allocation */139	REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, channels);140 141	/* Disable forced mem power off */142	if (afmt->funcs->afmt_poweron == NULL)143		REG_UPDATE(AFMT_MEM_PWR, AFMT_MEM_PWR_FORCE, 0);144}145 146void afmt3_audio_mute_control(147	struct afmt *afmt,148	bool mute)149{150	struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);151	if (mute && afmt->funcs->afmt_powerdown)152		afmt->funcs->afmt_powerdown(afmt);153	if (!mute && afmt->funcs->afmt_poweron)154		afmt->funcs->afmt_poweron(afmt);155	/* enable/disable transmission of audio packets */156	REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, !mute);157}158 159void afmt3_audio_info_immediate_update(160	struct afmt *afmt)161{162	struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);163 164	/* update double-buffered AUDIO_INFO registers immediately */165	REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);166}167 168void afmt3_setup_dp_audio(169		struct afmt *afmt)170{171	struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);172 173	if (afmt->funcs->afmt_poweron)174		afmt->funcs->afmt_poweron(afmt);175 176	/* AFMT_AUDIO_PACKET_CONTROL */177	REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);178 179	/* AFMT_AUDIO_PACKET_CONTROL2 */180	/* Program the ATP and AIP next */181	REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,182			AFMT_AUDIO_LAYOUT_OVRD, 0,183			AFMT_60958_OSF_OVRD, 0);184 185	/* AFMT_INFOFRAME_CONTROL0 */186	REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);187 188	/* AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK */189	REG_UPDATE(AFMT_60958_0, AFMT_60958_CS_CLOCK_ACCURACY, 0);190}191 192static struct afmt_funcs dcn30_afmt_funcs = {193	.setup_hdmi_audio		= afmt3_setup_hdmi_audio,194	.se_audio_setup			= afmt3_se_audio_setup,195	.audio_mute_control		= afmt3_audio_mute_control,196	.audio_info_immediate_update	= afmt3_audio_info_immediate_update,197	.setup_dp_audio			= afmt3_setup_dp_audio,198};199 200void afmt3_construct(struct dcn30_afmt *afmt3,201	struct dc_context *ctx,202	uint32_t inst,203	const struct dcn30_afmt_registers *afmt_regs,204	const struct dcn30_afmt_shift *afmt_shift,205	const struct dcn30_afmt_mask *afmt_mask)206{207	afmt3->base.ctx = ctx;208 209	afmt3->base.inst = inst;210	afmt3->base.funcs = &dcn30_afmt_funcs;211 212	afmt3->regs = afmt_regs;213	afmt3->afmt_shift = afmt_shift;214	afmt3->afmt_mask = afmt_mask;215}216