diff options
Diffstat (limited to 'sound/soc/sdw_utils')
| -rw-r--r-- | sound/soc/sdw_utils/Makefile | 3 | ||||
| -rw-r--r-- | sound/soc/sdw_utils/soc_sdw_ti_amp.c | 92 | ||||
| -rw-r--r-- | sound/soc/sdw_utils/soc_sdw_utils.c | 38 |
3 files changed, 122 insertions, 11 deletions
diff --git a/sound/soc/sdw_utils/Makefile b/sound/soc/sdw_utils/Makefile index daf019113553..a87c53e1a2c1 100644 --- a/sound/soc/sdw_utils/Makefile +++ b/sound/soc/sdw_utils/Makefile @@ -6,5 +6,6 @@ snd-soc-sdw-utils-y := soc_sdw_utils.o soc_sdw_dmic.o soc_sdw_rt_dmic.o \ soc_sdw_bridge_cs35l56.o \ soc_sdw_cs42l42.o soc_sdw_cs42l43.o \ soc_sdw_cs_amp.o \ - soc_sdw_maxim.o + soc_sdw_maxim.o \ + soc_sdw_ti_amp.o obj-$(CONFIG_SND_SOC_SDW_UTILS) += snd-soc-sdw-utils.o diff --git a/sound/soc/sdw_utils/soc_sdw_ti_amp.c b/sound/soc/sdw_utils/soc_sdw_ti_amp.c new file mode 100644 index 000000000000..f0011360ae9b --- /dev/null +++ b/sound/soc/sdw_utils/soc_sdw_ti_amp.c @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2025 Texas Instruments Inc. + +/* + * soc_sdw_ti_amp - Helpers to handle TI's soundwire based codecs + */ + +#include <linux/device.h> +#include <linux/errno.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include <sound/soc-dai.h> +#include <sound/soc_sdw_utils.h> + +#define TIAMP_SPK_VOLUME_0DB 200 + +int asoc_sdw_ti_amp_initial_settings(struct snd_soc_card *card, + const char *name_prefix) +{ + char *volume_ctl_name; + int ret; + + volume_ctl_name = kasprintf(GFP_KERNEL, "%s Speaker Volume", + name_prefix); + if (!volume_ctl_name) + return -ENOMEM; + + ret = snd_soc_limit_volume(card, volume_ctl_name, + TIAMP_SPK_VOLUME_0DB); + if (ret) + dev_err(card->dev, + "%s update failed %d\n", + volume_ctl_name, ret); + + kfree(volume_ctl_name); + return 0; +} +EXPORT_SYMBOL_NS(asoc_sdw_ti_amp_initial_settings, "SND_SOC_SDW_UTILS"); + +int asoc_sdw_ti_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, + struct snd_soc_dai *dai) +{ + struct snd_soc_card *card = rtd->card; + char widget_name[16]; + char speaker[16]; + struct snd_soc_dapm_route route = {speaker, NULL, widget_name}; + struct snd_soc_dai *codec_dai; + const char *prefix; + int i, ret = 0; + + for_each_rtd_codec_dais(rtd, i, codec_dai) { + if (!strstr(codec_dai->name, "tas2783")) + continue; + + prefix = codec_dai->component->name_prefix; + if (!strncmp(prefix, "tas2783-1", strlen("tas2783-1"))) { + strscpy(speaker, "Left Spk", sizeof(speaker)); + } else if (!strncmp(prefix, "tas2783-2", strlen("tas2783-2"))) { + strscpy(speaker, "Right Spk", sizeof(speaker)); + } else { + ret = -EINVAL; + dev_err(card->dev, "unhandled prefix %s", prefix); + break; + } + + snprintf(widget_name, sizeof(widget_name), "%s SPK", prefix); + ret = asoc_sdw_ti_amp_initial_settings(card, prefix); + if (ret) + return ret; + + ret = snd_soc_dapm_add_routes(&card->dapm, &route, 1); + if (ret) + return ret; + } + + return ret; +} +EXPORT_SYMBOL_NS(asoc_sdw_ti_spk_rtd_init, "SND_SOC_SDW_UTILS"); + +int asoc_sdw_ti_amp_init(struct snd_soc_card *card, + struct snd_soc_dai_link *dai_links, + struct asoc_sdw_codec_info *info, + bool playback) +{ + if (!playback) + return 0; + + info->amp_num++; + + return 0; +} +EXPORT_SYMBOL_NS(asoc_sdw_ti_amp_init, "SND_SOC_SDW_UTILS"); diff --git a/sound/soc/sdw_utils/soc_sdw_utils.c b/sound/soc/sdw_utils/soc_sdw_utils.c index 1580331cd34c..56c72ef27e7b 100644 --- a/sound/soc/sdw_utils/soc_sdw_utils.c +++ b/sound/soc/sdw_utils/soc_sdw_utils.c @@ -35,12 +35,12 @@ static const struct snd_kcontrol_new generic_spk_controls[] = { SOC_DAPM_PIN_SWITCH("Speaker"), }; -static const struct snd_soc_dapm_widget maxim_widgets[] = { +static const struct snd_soc_dapm_widget lr_spk_widgets[] = { SND_SOC_DAPM_SPK("Left Spk", NULL), SND_SOC_DAPM_SPK("Right Spk", NULL), }; -static const struct snd_kcontrol_new maxim_controls[] = { +static const struct snd_kcontrol_new lr_spk_controls[] = { SOC_DAPM_PIN_SWITCH("Left Spk"), SOC_DAPM_PIN_SWITCH("Right Spk"), }; @@ -59,6 +59,24 @@ static const struct snd_kcontrol_new rt700_controls[] = { struct asoc_sdw_codec_info codec_info_list[] = { { + .part_id = 0x0000, /* TAS2783A */ + .dais = { + { + .direction = {true, true}, + .dai_name = "tas2783-codec", + .dai_type = SOC_SDW_DAI_TYPE_AMP, + .dailink = {SOC_SDW_AMP_OUT_DAI_ID, SOC_SDW_AMP_IN_DAI_ID}, + .init = asoc_sdw_ti_amp_init, + .rtd_init = asoc_sdw_ti_spk_rtd_init, + .controls = lr_spk_controls, + .num_controls = ARRAY_SIZE(lr_spk_controls), + .widgets = lr_spk_widgets, + .num_widgets = ARRAY_SIZE(lr_spk_widgets), + }, + }, + .dai_num = 1, + }, + { .part_id = 0x700, .dais = { { @@ -450,10 +468,10 @@ struct asoc_sdw_codec_info codec_info_list[] = { .dailink = {SOC_SDW_AMP_OUT_DAI_ID, SOC_SDW_AMP_IN_DAI_ID}, .init = asoc_sdw_maxim_init, .rtd_init = asoc_sdw_maxim_spk_rtd_init, - .controls = maxim_controls, - .num_controls = ARRAY_SIZE(maxim_controls), - .widgets = maxim_widgets, - .num_widgets = ARRAY_SIZE(maxim_widgets), + .controls = lr_spk_controls, + .num_controls = ARRAY_SIZE(lr_spk_controls), + .widgets = lr_spk_widgets, + .num_widgets = ARRAY_SIZE(lr_spk_widgets), }, }, .dai_num = 1, @@ -469,10 +487,10 @@ struct asoc_sdw_codec_info codec_info_list[] = { .dailink = {SOC_SDW_AMP_OUT_DAI_ID, SOC_SDW_UNUSED_DAI_ID}, .init = asoc_sdw_maxim_init, .rtd_init = asoc_sdw_maxim_spk_rtd_init, - .controls = maxim_controls, - .num_controls = ARRAY_SIZE(maxim_controls), - .widgets = maxim_widgets, - .num_widgets = ARRAY_SIZE(maxim_widgets), + .controls = lr_spk_controls, + .num_controls = ARRAY_SIZE(lr_spk_controls), + .widgets = lr_spk_widgets, + .num_widgets = ARRAY_SIZE(lr_spk_widgets), }, }, .dai_num = 1, |