From: Fangzhi Zuo Date: Wed, 9 Jun 2021 21:36:26 +0000 (-0400) Subject: drm/amd/display: Add DP 2.0 Audio Package Generator X-Git-Tag: v6.1-rc5~2647^2~21^2~150 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=61452908a79ec936660494fb4b9f2a35ee42e6e0;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/display: Add DP 2.0 Audio Package Generator HW Blocks: +-----+ | HDA | +-----+ | | HPO ===============|============= | v | +-----+ | | APG | v +-----+ Signed-off-by: Fangzhi Zuo Reviewed-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/Makefile b/drivers/gpu/drm/amd/display/dc/dcn31/Makefile index 4bab97a..bc2087f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn31/Makefile @@ -11,7 +11,8 @@ # Makefile for dcn31. DCN31 = dcn31_resource.o dcn31_hubbub.o dcn31_hwseq.o dcn31_init.o dcn31_hubp.o \ - dcn31_dccg.o dcn31_optc.o dcn31_dio_link_encoder.o dcn31_panel_cntl.o + dcn31_dccg.o dcn31_optc.o dcn31_dio_link_encoder.o dcn31_panel_cntl.o \ + dcn31_apg.o ifdef CONFIG_X86 CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o := -msse diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.c new file mode 100644 index 0000000..6bd7a06 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.c @@ -0,0 +1,173 @@ +/* + * Copyright 2019 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 "dc_bios_types.h" +#include "hw_shared.h" +#include "dcn31_apg.h" +#include "reg_helper.h" + +#define DC_LOGGER \ + apg31->base.ctx->logger + +#define REG(reg)\ + (apg31->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + apg31->apg_shift->field_name, apg31->apg_mask->field_name + + +#define CTX \ + apg31->base.ctx + + +static void apg31_enable( + struct apg *apg) +{ + struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg); + + /* Reset APG */ + REG_UPDATE(APG_CONTROL, APG_RESET, 1); + REG_WAIT(APG_CONTROL, + APG_RESET_DONE, 1, + 1, 10); + REG_UPDATE(APG_CONTROL, APG_RESET, 0); + REG_WAIT(APG_CONTROL, + APG_RESET_DONE, 0, + 1, 10); + + /* Enable APG */ + REG_UPDATE(APG_CONTROL2, APG_ENABLE, 1); +} + +static void apg31_disable( + struct apg *apg) +{ + struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg); + + /* Disable APG */ + REG_UPDATE(APG_CONTROL2, APG_ENABLE, 0); +} + +static union audio_cea_channels speakers_to_channels( + struct audio_speaker_flags speaker_flags) +{ + union audio_cea_channels cea_channels = {0}; + + /* these are one to one */ + cea_channels.channels.FL = speaker_flags.FL_FR; + cea_channels.channels.FR = speaker_flags.FL_FR; + cea_channels.channels.LFE = speaker_flags.LFE; + cea_channels.channels.FC = speaker_flags.FC; + + /* if Rear Left and Right exist move RC speaker to channel 7 + * otherwise to channel 5 + */ + if (speaker_flags.RL_RR) { + cea_channels.channels.RL_RC = speaker_flags.RL_RR; + cea_channels.channels.RR = speaker_flags.RL_RR; + cea_channels.channels.RC_RLC_FLC = speaker_flags.RC; + } else { + cea_channels.channels.RL_RC = speaker_flags.RC; + } + + /* FRONT Left Right Center and REAR Left Right Center are exclusive */ + if (speaker_flags.FLC_FRC) { + cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC; + cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC; + } else { + cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC; + cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC; + } + + return cea_channels; +} + +static void apg31_se_audio_setup( + struct apg *apg, + unsigned int az_inst, + struct audio_info *audio_info) +{ + struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg); + + uint32_t speakers = 0; + uint32_t channels = 0; + + ASSERT(audio_info); + /* This should not happen.it does so we don't get BSOD*/ + if (audio_info == NULL) + return; + + speakers = audio_info->flags.info.ALLSPEAKERS; + channels = speakers_to_channels(audio_info->flags.speaker_flags).all; + + /* DisplayPort only allows for one audio stream with stream ID 0 */ + REG_UPDATE(APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, 0); + + /* When running in "pair mode", pairs of audio channels have their own enable + * this is for really old audio drivers */ + REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, 0xF); + // REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, channels); + + /* Disable forced mem power off */ + REG_UPDATE(APG_MEM_PWR, APG_MEM_PWR_FORCE, 0); + + apg31_enable(apg); +} + +static void apg31_audio_mute_control( + struct apg *apg, + bool mute) +{ + if (mute) + apg31_disable(apg); + else + apg31_enable(apg); +} + +static struct apg_funcs dcn31_apg_funcs = { + .se_audio_setup = apg31_se_audio_setup, + .audio_mute_control = apg31_audio_mute_control, + .enable_apg = apg31_enable, + .disable_apg = apg31_disable, +}; + +void apg31_construct(struct dcn31_apg *apg31, + struct dc_context *ctx, + uint32_t inst, + const struct dcn31_apg_registers *apg_regs, + const struct dcn31_apg_shift *apg_shift, + const struct dcn31_apg_mask *apg_mask) +{ + apg31->base.ctx = ctx; + + apg31->base.inst = inst; + apg31->base.funcs = &dcn31_apg_funcs; + + apg31->regs = apg_regs; + apg31->apg_shift = apg_shift; + apg31->apg_mask = apg_mask; +} diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.h new file mode 100644 index 0000000..24f568e --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.h @@ -0,0 +1,115 @@ +/* + * Copyright 2020 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 + * + */ + +#ifndef __DAL_DCN31_AGP_H__ +#define __DAL_DCN31_AGP_H__ + + +#define DCN31_APG_FROM_APG(apg)\ + container_of(apg, struct dcn31_apg, base) + +#define APG_DCN31_REG_LIST(id) \ + SRI(APG_CONTROL, APG, id), \ + SRI(APG_CONTROL2, APG, id),\ + SRI(APG_MEM_PWR, APG, id),\ + SRI(APG_DBG_GEN_CONTROL, APG, id) + +struct dcn31_apg_registers { + uint32_t APG_CONTROL; + uint32_t APG_CONTROL2; + uint32_t APG_MEM_PWR; + uint32_t APG_DBG_GEN_CONTROL; +}; + + +#define DCN31_APG_MASK_SH_LIST(mask_sh)\ + SE_SF(APG0_APG_CONTROL, APG_RESET, mask_sh),\ + SE_SF(APG0_APG_CONTROL, APG_RESET_DONE, mask_sh),\ + SE_SF(APG0_APG_CONTROL2, APG_ENABLE, mask_sh),\ + SE_SF(APG0_APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, mask_sh),\ + SE_SF(APG0_APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, mask_sh),\ + SE_SF(APG0_APG_MEM_PWR, APG_MEM_PWR_FORCE, mask_sh) + +#define APG_DCN31_REG_FIELD_LIST(type) \ + type APG_RESET;\ + type APG_RESET_DONE;\ + type APG_ENABLE;\ + type APG_DP_AUDIO_STREAM_ID;\ + type APG_DBG_AUDIO_CHANNEL_ENABLE;\ + type APG_MEM_PWR_FORCE + +struct dcn31_apg_shift { + APG_DCN31_REG_FIELD_LIST(uint8_t); +}; + +struct dcn31_apg_mask { + APG_DCN31_REG_FIELD_LIST(uint32_t); +}; + +struct apg { + const struct apg_funcs *funcs; + struct dc_context *ctx; + int inst; +}; + +struct apg_funcs { + + void (*setup_hdmi_audio)( + struct apg *apg); + + void (*se_audio_setup)( + struct apg *apg, + unsigned int az_inst, + struct audio_info *audio_info); + + void (*audio_mute_control)( + struct apg *apg, + bool mute); + + void (*enable_apg)( + struct apg *apg); + + void (*disable_apg)( + struct apg *apg); +}; + + + +struct dcn31_apg { + struct apg base; + const struct dcn31_apg_registers *regs; + const struct dcn31_apg_shift *apg_shift; + const struct dcn31_apg_mask *apg_mask; +}; + +void apg31_construct(struct dcn31_apg *apg3, + struct dc_context *ctx, + uint32_t inst, + const struct dcn31_apg_registers *apg_regs, + const struct dcn31_apg_shift *apg_shift, + const struct dcn31_apg_mask *apg_mask); + + +#endif diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index a7702d3..7355864 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -52,6 +52,7 @@ #include "dcn30/dcn30_vpg.h" #include "dcn30/dcn30_afmt.h" #include "dcn30/dcn30_dio_stream_encoder.h" +#include "dcn31/dcn31_apg.h" #include "dcn31/dcn31_dio_link_encoder.h" #include "dce/dce_clock_source.h" #include "dce/dce_audio.h" @@ -457,6 +458,26 @@ static const struct dcn30_afmt_mask afmt_mask = { DCN3_AFMT_MASK_SH_LIST(_MASK) }; +#define apg_regs(id)\ +[id] = {\ + APG_DCN31_REG_LIST(id)\ +} + +static const struct dcn31_apg_registers apg_regs[] = { + apg_regs(0), + apg_regs(1), + apg_regs(2), + apg_regs(3) +}; + +static const struct dcn31_apg_shift apg_shift = { + DCN31_APG_MASK_SH_LIST(__SHIFT) +}; + +static const struct dcn31_apg_mask apg_mask = { + DCN31_APG_MASK_SH_LIST(_MASK) +}; + #define stream_enc_regs(id)\ [id] = {\ SE_DCN3_REG_LIST(id)\ @@ -1260,6 +1281,23 @@ static struct afmt *dcn31_afmt_create( return &afmt3->base; } +static struct apg *dcn31_apg_create( + struct dc_context *ctx, + uint32_t inst) +{ + struct dcn31_apg *apg31 = kzalloc(sizeof(struct dcn31_apg), GFP_KERNEL); + + if (!apg31) + return NULL; + + apg31_construct(apg31, ctx, inst, + &apg_regs[inst], + &apg_shift, + &apg_mask); + + return &apg31->base; +} + static struct stream_encoder *dcn31_stream_encoder_create( enum engine_id eng_id, struct dc_context *ctx)