@@ -152,4 +152,18 @@ 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
@@ -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
@@ -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)
new file mode 100644
@@ -0,0 +1,290 @@
+// 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_sdw_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 const struct snd_soc_dapm_widget sc7280_snd_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+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");