diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml | 180 | ||||
| -rw-r--r-- | sound/soc/qcom/Kconfig | 14 | ||||
| -rw-r--r-- | sound/soc/qcom/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/qcom/lpass.h | 1 | ||||
| -rw-r--r-- | sound/soc/qcom/sc7280.c | 284 |
5 files changed, 481 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml b/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml new file mode 100644 index 000000000000..869b40363af8 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml @@ -0,0 +1,180 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/google,sc7280-herobrine.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Google SC7280-Herobrine ASoC sound card driver + +maintainers: + - Srinivasa Rao Mandadapu <srivasam@codeaurora.org> + - Judy Hsiao <judyhsiao@chromium.org> + +description: + This binding describes the SC7280 sound card which uses LPASS for audio. + +properties: + compatible: + enum: + - google,sc7280-herobrine + + audio-routing: + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + description: + A list of the connections between audio components. Each entry is a + pair of strings, the first being the connection's sink, the second + being the connection's source. + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^dai-link@[0-9a-f]$": + description: + Each subnode represents a dai link. Subnodes of each dai links would be + cpu/codec dais. + + type: object + + properties: + link-name: + description: Indicates dai-link name and PCM stream name. + $ref: /schemas/types.yaml#/definitions/string + maxItems: 1 + + reg: + maxItems: 1 + description: dai link address. + + cpu: + description: Holds subnode which indicates cpu dai. + type: object + properties: + sound-dai: true + + required: + - sound-dai + + additionalProperties: false + + codec: + description: Holds subnode which indicates codec dai. + type: object + properties: + sound-dai: true + + required: + - sound-dai + + additionalProperties: false + + required: + - link-name + - cpu + - codec + - reg + + additionalProperties: false + +required: + - compatible + - model + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + + - | + #include <dt-bindings/sound/qcom,lpass.h> + sound { + compatible = "google,sc7280-herobrine"; + model = "sc7280-wcd938x-max98360a-4dmic"; + + audio-routing = + "IN1_HPHL", "HPHL_OUT", + "IN2_HPHR", "HPHR_OUT", + "AMIC1", "MIC BIAS1", + "AMIC2", "MIC BIAS2", + "VA DMIC0", "MIC BIAS3", + "VA DMIC1", "MIC BIAS3", + "VA DMIC2", "MIC BIAS4", + "VA DMIC3", "MIC BIAS4", + "TX SWR_ADC0", "ADC1_OUTPUT", + "TX SWR_ADC1", "ADC2_OUTPUT", + "TX SWR_ADC2", "ADC3_OUTPUT", + "TX SWR_DMIC0", "DMIC1_OUTPUT", + "TX SWR_DMIC1", "DMIC2_OUTPUT", + "TX SWR_DMIC2", "DMIC3_OUTPUT", + "TX SWR_DMIC3", "DMIC4_OUTPUT"; + + #address-cells = <1>; + #size-cells = <0>; + + dai-link@0 { + link-name = "WCD Playback"; + reg = <LPASS_CDC_DMA_RX0>; + cpu { + sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>; + }; + + codec { + sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>; + }; + }; + dai-link@1 { + link-name = "WCD Capture"; + reg = <LPASS_CDC_DMA_TX3>; + cpu { + sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>; + }; + + codec { + sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>; + }; + }; + + dai-link@2 { + link-name = "MI2S Playback"; + reg = <MI2S_SECONDARY>; + cpu { + sound-dai = <&lpass_cpu MI2S_SECONDARY>; + }; + + codec { + sound-dai = <&max98360a>; + }; + }; + + dai-link@3 { + link-name = "DMIC Capture"; + reg = <LPASS_CDC_DMA_VA_TX0>; + cpu { + sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>; + }; + + codec { + sound-dai = <&vamacro 0>; + }; + }; + + dai-link@5 { + link-name = "DP Playback"; + reg = <LPASS_DP_RX>; + cpu { + sound-dai = <&lpass_cpu LPASS_DP_RX>; + }; + + codec { + sound-dai = <&mdss_dp>; + }; + }; + }; diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index cf3e151bb635..dd5949eb6b15 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -176,4 +176,18 @@ config SND_SOC_SC7180 SC7180 SoC-based systems. Say Y if you want to use audio device on this SoCs. +config SND_SOC_SC7280 + tristate "SoC Machine driver for SC7280 boards" + depends on I2C && SOUNDWIRE || COMPILE_TEST + select SND_SOC_QCOM_COMMON + select SND_SOC_LPASS_SC7280 + select SND_SOC_MAX98357A + select SND_SOC_WCD938X + select SND_SOC_LPASS_RX_MACRO + select SND_SOC_LPASS_TX_MACRO + help + Add support for audio on Qualcomm Technologies Inc. + SC7280 SoC-based systems. + Say Y or M if you want to use audio device on this SoCs. + endif #SND_SOC_QCOM diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile index 1600ae55bd34..625aec63b4ee 100644 --- a/sound/soc/qcom/Makefile +++ b/sound/soc/qcom/Makefile @@ -19,6 +19,7 @@ snd-soc-storm-objs := storm.o snd-soc-apq8016-sbc-objs := apq8016_sbc.o snd-soc-apq8096-objs := apq8096.o snd-soc-sc7180-objs := sc7180.o +snd-soc-sc7280-objs := sc7280.o snd-soc-sdm845-objs := sdm845.o snd-soc-sm8250-objs := sm8250.o snd-soc-qcom-common-objs := common.o @@ -27,6 +28,7 @@ obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o obj-$(CONFIG_SND_SOC_MSM8996) += snd-soc-apq8096.o obj-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o +obj-$(CONFIG_SND_SOC_SC7280) += snd-soc-sc7280.o obj-$(CONFIG_SND_SOC_SDM845) += snd-soc-sdm845.o obj-$(CONFIG_SND_SOC_SM8250) += snd-soc-sm8250.o obj-$(CONFIG_SND_SOC_QCOM_COMMON) += snd-soc-qcom-common.o diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 67ef497166af..c0f0247e6819 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -16,6 +16,7 @@ #include "lpass-hdmi.h" #define LPASS_AHBIX_CLOCK_FREQUENCY 131072000 +#define LPASS_MAX_PORTS (LPASS_CDC_DMA_VA_TX8 + 1) #define LPASS_MAX_MI2S_PORTS (8) #define LPASS_MAX_DMA_CHANNELS (8) #define LPASS_MAX_HDMI_DMA_CHANNELS (4) diff --git a/sound/soc/qcom/sc7280.c b/sound/soc/qcom/sc7280.c new file mode 100644 index 000000000000..bd0bf9c8cb28 --- /dev/null +++ b/sound/soc/qcom/sc7280.c @@ -0,0 +1,284 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2020-2021, The Linux Foundation. All rights reserved. +// +// ALSA SoC Machine driver for sc7280 + +#include <linux/input.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <linux/soundwire/sdw.h> + +#include "common.h" +#include "lpass.h" + +struct sc7280_snd_data { + struct snd_soc_card card; + struct sdw_stream_runtime *sruntime[LPASS_MAX_PORTS]; + struct snd_soc_jack hs_jack; + struct snd_soc_jack hdmi_jack; + bool jack_setup; + bool stream_prepared[LPASS_MAX_PORTS]; +}; + +static void sc7280_jack_free(struct snd_jack *jack) +{ + struct snd_soc_component *component = jack->private_data; + + snd_soc_component_set_jack(component, NULL, NULL); +} + +static int sc7280_headset_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(card); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + struct snd_jack *jack; + int rval, i; + + if (!pdata->jack_setup) { + rval = snd_soc_card_jack_new(card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_LINEOUT | + SND_JACK_MECHANICAL | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4 | SND_JACK_BTN_5, + &pdata->hs_jack, NULL, 0); + + if (rval < 0) { + dev_err(card->dev, "Unable to add Headset Jack\n"); + return rval; + } + + jack = pdata->hs_jack.jack; + + snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); + snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); + snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP); + snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); + + jack->private_data = component; + jack->private_free = sc7280_jack_free; + pdata->jack_setup = true; + } + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + for_each_rtd_codec_dais(rtd, i, codec_dai) { + rval = snd_soc_component_set_jack(component, &pdata->hs_jack, NULL); + if (rval != 0 && rval != -ENOTSUPP) { + dev_err(card->dev, "Failed to set jack: %d\n", rval); + return rval; + } + } + break; + default: + break; + } + + return 0; +} + +static int sc7280_hdmi_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(card); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + struct snd_jack *jack; + int rval; + + rval = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT, + &pdata->hdmi_jack, NULL, 0); + + if (rval < 0) { + dev_err(card->dev, "Unable to add HDMI Jack\n"); + return rval; + } + + jack = pdata->hdmi_jack.jack; + jack->private_data = component; + jack->private_free = sc7280_jack_free; + + return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL); +} + +static int sc7280_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_TX3: + return sc7280_headset_init(rtd); + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_VA_TX0: + case MI2S_SECONDARY: + return 0; + case LPASS_DP_RX: + return sc7280_hdmi_init(rtd); + default: + dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); + } + + return -EINVAL; +} + +static int sc7280_snd_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai; + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card); + struct sdw_stream_runtime *sruntime; + int i; + + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, 48000, 48000); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_RX0: + for_each_rtd_codec_dais(rtd, i, codec_dai) { + sruntime = snd_soc_dai_get_stream(codec_dai, substream->stream); + if (sruntime != ERR_PTR(-ENOTSUPP)) + pdata->sruntime[cpu_dai->id] = sruntime; + } + break; + } + + return 0; +} + +static int sc7280_snd_swr_prepare(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; + int ret; + + if (!sruntime) + return 0; + + if (data->stream_prepared[cpu_dai->id]) { + sdw_disable_stream(sruntime); + sdw_deprepare_stream(sruntime); + data->stream_prepared[cpu_dai->id] = false; + } + + ret = sdw_prepare_stream(sruntime); + if (ret) + return ret; + + ret = sdw_enable_stream(sruntime); + if (ret) { + sdw_deprepare_stream(sruntime); + return ret; + } + data->stream_prepared[cpu_dai->id] = true; + + return ret; +} + +static int sc7280_snd_prepare(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + return sc7280_snd_swr_prepare(substream); + default: + break; + } + + return 0; +} + +static int sc7280_snd_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + const struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; + + switch (cpu_dai->id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + if (sruntime && data->stream_prepared[cpu_dai->id]) { + sdw_disable_stream(sruntime); + sdw_deprepare_stream(sruntime); + data->stream_prepared[cpu_dai->id] = false; + } + break; + default: + break; + } + return 0; +} + +static const struct snd_soc_ops sc7280_ops = { + .hw_params = sc7280_snd_hw_params, + .hw_free = sc7280_snd_hw_free, + .prepare = sc7280_snd_prepare, +}; + +static int sc7280_snd_platform_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card; + struct sc7280_snd_data *data; + struct device *dev = &pdev->dev; + struct snd_soc_dai_link *link; + int ret, i; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + card = &data->card; + snd_soc_card_set_drvdata(card, data); + + card->owner = THIS_MODULE; + card->driver_name = "SC7280"; + card->dev = dev; + + ret = qcom_snd_parse_of(card); + if (ret) + return ret; + + for_each_card_prelinks(card, i, link) { + link->init = sc7280_init; + link->ops = &sc7280_ops; + } + + return devm_snd_soc_register_card(dev, card); +} + +static const struct of_device_id sc7280_snd_device_id[] = { + { .compatible = "google,sc7280-herobrine" }, + {} +}; +MODULE_DEVICE_TABLE(of, sc7280_snd_device_id); + +static struct platform_driver sc7280_snd_driver = { + .probe = sc7280_snd_platform_probe, + .driver = { + .name = "msm-snd-sc7280", + .of_match_table = sc7280_snd_device_id, + .pm = &snd_soc_pm_ops, + }, +}; +module_platform_driver(sc7280_snd_driver); + +MODULE_DESCRIPTION("sc7280 ASoC Machine Driver"); +MODULE_LICENSE("GPL"); |