* [PATCH v5 1/2] ASoC: qcom: dt-bindings: Add sc7180 machine bindings
2020-08-18 3:50 [PATCH v5 0/2] Add documentation and machine driver for SC7180 sound card Cheng-Yi Chiang
@ 2020-08-18 3:50 ` Cheng-Yi Chiang
2020-08-25 19:18 ` Rob Herring
2020-08-18 3:50 ` [PATCH v5 2/2] ASoC: qcom: sc7180: Add machine driver for sound card registration Cheng-Yi Chiang
1 sibling, 1 reply; 5+ messages in thread
From: Cheng-Yi Chiang @ 2020-08-18 3:50 UTC (permalink / raw)
To: linux-kernel
Cc: Mark Brown, Taniya Das, Rohit kumar, Banajit Goswami,
Patrick Lai, Andy Gross, Bjorn Andersson, Liam Girdwood,
Rob Herring, Jaroslav Kysela, Takashi Iwai, Srini Kandagatla,
Stephan Gerhold, dianders, dgreid, tzungbi, linux-arm-kernel,
linux-arm-msm, devicetree, alsa-devel, Cheng-Yi Chiang
Add devicetree bindings documentation file for sc7180 sound card.
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
---
.../bindings/sound/qcom,sc7180.yaml | 127 ++++++++++++++++++
1 file changed, 127 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
new file mode 100644
index 000000000000..b5cdaa0fe559
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
@@ -0,0 +1,127 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver
+
+maintainers:
+ - Rohit kumar <rohitkr@codeaurora.org>
+ - Cheng-Yi Chiang <cychiang@chromium.org>
+
+description:
+ This binding describes the SC7180 sound card which uses LPASS for audio.
+
+properties:
+ compatible:
+ contains:
+ const: qcom,sc7180-sndcard
+
+ 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
+
+ aux-dev:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle of the codec for headset detection
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^dai-link(@[0-9]+)?$":
+ 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:
+ description: dai link address.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ maxItems: 1
+
+ cpu:
+ description: Holds subnode which indicates cpu dai.
+ type: object
+ properties:
+ sound-dai: true
+
+ codec:
+ description: Holds subnode which indicates codec dai.
+ type: object
+ properties:
+ sound-dai: true
+
+ required:
+ - link-name
+ - cpu
+ - codec
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - model
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: false
+
+examples:
+
+ - |
+ sound {
+ compatible = "qcom,sc7180-sndcard";
+ model = "sc7180-snd-card";
+
+ audio-routing =
+ "Headphone Jack", "HPOL",
+ "Headphone Jack", "HPOR";
+
+ aux-dev = <&alc5682>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dai-link@0 {
+ link-name = "MultiMedia0";
+ reg = <0>;
+ cpu {
+ sound-dai = <&lpass_cpu 0>;
+ };
+
+ codec {
+ sound-dai = <&alc5682 0>;
+ };
+ };
+
+ dai-link@1 {
+ link-name = "MultiMedia1";
+ reg = <1>;
+ cpu {
+ sound-dai = <&lpass_cpu 1>;
+ };
+
+ codec {
+ sound-dai = <&max98357a>;
+ };
+ };
+ };
--
2.28.0.220.ged08abb693-goog
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH v5 2/2] ASoC: qcom: sc7180: Add machine driver for sound card registration
2020-08-18 3:50 [PATCH v5 0/2] Add documentation and machine driver for SC7180 sound card Cheng-Yi Chiang
2020-08-18 3:50 ` [PATCH v5 1/2] ASoC: qcom: dt-bindings: Add sc7180 machine bindings Cheng-Yi Chiang
@ 2020-08-18 3:50 ` Cheng-Yi Chiang
2020-08-18 7:02 ` kernel test robot
1 sibling, 1 reply; 5+ messages in thread
From: Cheng-Yi Chiang @ 2020-08-18 3:50 UTC (permalink / raw)
To: linux-kernel
Cc: Mark Brown, Taniya Das, Rohit kumar, Banajit Goswami,
Patrick Lai, Andy Gross, Bjorn Andersson, Liam Girdwood,
Rob Herring, Jaroslav Kysela, Takashi Iwai, Srini Kandagatla,
Stephan Gerhold, dianders, dgreid, tzungbi, linux-arm-kernel,
linux-arm-msm, devicetree, alsa-devel, Ajit Pandey,
Cheng-Yi Chiang, Tzung-Bi Shih
From: Ajit Pandey <ajitp@codeaurora.org>
Add new driver to register sound card on sc7180 trogdor board and
do the required configuration for lpass cpu dai and external codecs
connected over MI2S interfaces.
Signed-off-by: Ajit Pandey <ajitp@codeaurora.org>
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
---
sound/soc/qcom/Kconfig | 12 ++
sound/soc/qcom/Makefile | 2 +
sound/soc/qcom/sc7180.c | 244 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 258 insertions(+)
create mode 100644 sound/soc/qcom/sc7180.c
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 5d6b2466a2f2..54aa2ede229c 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -110,3 +110,15 @@ config SND_SOC_SDM845
To add support for audio on Qualcomm Technologies Inc.
SDM845 SoC-based systems.
Say Y if you want to use audio device on this SoCs.
+
+config SND_SOC_SC7180
+ tristate "SoC Machine driver for SC7180 boards"
+ depends on SND_SOC_QCOM
+ select SND_SOC_QCOM_COMMON
+ select SND_SOC_LPASS_SC7180
+ select SND_SOC_MAX98357A
+ select SND_SOC_RT5682
+ help
+ To add support for audio on Qualcomm Technologies Inc.
+ SC7180 SoC-based systems.
+ Say Y if you want to use audio device on this SoCs.
diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile
index 41b2c7a23a4d..3f6275d90526 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -15,12 +15,14 @@ snd-soc-storm-objs := storm.o
snd-soc-apq8016-sbc-objs := apq8016_sbc.o
snd-soc-apq8096-objs := apq8096.o
snd-soc-sdm845-objs := sdm845.o
+snd-soc-sc7180-objs := sc7180.o
snd-soc-qcom-common-objs := common.o
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-$(CONFIG_SND_SOC_SDM845) += snd-soc-sdm845.o
+obj-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o
obj-$(CONFIG_SND_SOC_QCOM_COMMON) += snd-soc-qcom-common.o
#DSP lib
diff --git a/sound/soc/qcom/sc7180.c b/sound/soc/qcom/sc7180.c
new file mode 100644
index 000000000000..7849376f63ba
--- /dev/null
+++ b/sound/soc/qcom/sc7180.c
@@ -0,0 +1,244 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2020, The Linux Foundation. All rights reserved.
+//
+// sc7180.c -- ALSA SoC Machine driver for SC7180
+
+#include <dt-bindings/sound/sc7180-lpass.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/pcm_params.h>
+#include <sound/soc.h>
+#include <uapi/linux/input-event-codes.h>
+
+#include "../codecs/rt5682.h"
+#include "common.h"
+#include "lpass.h"
+
+#define DEFAULT_SAMPLE_RATE_48K 48000
+#define DEFAULT_MCLK_RATE 19200000
+#define RT5682_PLL1_FREQ (48000 * 512)
+
+struct sc7180_snd_data {
+ struct snd_soc_jack jack;
+ u32 pri_mi2s_clk_count;
+};
+
+static void sc7180_jack_free(struct snd_jack *jack)
+{
+ struct snd_soc_component *component = jack->private_data;
+
+ snd_soc_component_set_jack(component, NULL, NULL);
+}
+
+static int sc7180_headset_init(struct snd_soc_component *component)
+{
+ struct snd_soc_card *card = component->card;
+ struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
+ struct snd_jack *jack;
+ int rval;
+
+ rval = snd_soc_card_jack_new(
+ card, "Headset Jack",
+ SND_JACK_HEADSET |
+ SND_JACK_HEADPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &pdata->jack, NULL, 0);
+
+ if (rval < 0) {
+ dev_err(card->dev, "Unable to add Headset Jack\n");
+ return rval;
+ }
+
+ jack = pdata->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 = sc7180_jack_free;
+
+ rval = snd_soc_component_set_jack(component,
+ &pdata->jack, NULL);
+ if (rval != 0 && rval != -EOPNOTSUPP) {
+ dev_warn(card->dev, "Failed to set jack: %d\n", rval);
+ return rval;
+ }
+
+ return 0;
+}
+
+static struct snd_soc_aux_dev sc7180_headset_dev = {
+ .dlc = COMP_EMPTY(),
+ .init = sc7180_headset_init,
+};
+
+static int sc7180_snd_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ int ret;
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ if (++data->pri_mi2s_clk_count == 1) {
+ snd_soc_dai_set_sysclk(cpu_dai,
+ LPASS_MCLK0,
+ DEFAULT_MCLK_RATE,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ }
+
+ snd_soc_dai_set_fmt(codec_dai,
+ SND_SOC_DAIFMT_CBS_CFS |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_I2S);
+
+ /* Configure PLL1 for codec */
+ ret = snd_soc_dai_set_pll(codec_dai, 0, RT5682_PLL1_S_MCLK,
+ DEFAULT_MCLK_RATE, RT5682_PLL1_FREQ);
+ if (ret) {
+ dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
+ return ret;
+ }
+
+ /* Configure sysclk for codec */
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
+ RT5682_PLL1_FREQ,
+ SND_SOC_CLOCK_IN);
+ if (ret)
+ dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",
+ ret);
+
+ break;
+ case MI2S_SECONDARY:
+ break;
+ default:
+ dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+ cpu_dai->id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void sc7180_snd_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ if (--data->pri_mi2s_clk_count == 0) {
+ snd_soc_dai_set_sysclk(cpu_dai,
+ LPASS_MCLK0,
+ 0,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ }
+ break;
+ case MI2S_SECONDARY:
+ break;
+ default:
+ dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+ cpu_dai->id);
+ break;
+ }
+}
+
+static const struct snd_soc_ops sc7180_ops = {
+ .startup = sc7180_snd_startup,
+ .shutdown = sc7180_snd_shutdown,
+};
+
+static const struct snd_soc_dapm_widget sc7180_snd_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static struct snd_soc_card sc7180_card = {
+ .owner = THIS_MODULE,
+ .aux_dev = &sc7180_headset_dev,
+ .num_aux_devs = 1,
+ .dapm_widgets = sc7180_snd_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets),
+};
+
+static int sc7180_parse_aux_of(struct device *dev)
+{
+ sc7180_headset_dev.dlc.of_node = of_parse_phandle(
+ dev->of_node, "aux-dev", 0);
+
+ if (!sc7180_headset_dev.dlc.of_node)
+ return -EINVAL;
+ return 0;
+}
+
+static void sc7180_add_ops(struct snd_soc_card *card)
+{
+ struct snd_soc_dai_link *link;
+ int i;
+
+ for_each_card_prelinks(card, i, link)
+ link->ops = &sc7180_ops;
+}
+
+static int sc7180_snd_platform_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &sc7180_card;
+ struct sc7180_snd_data *data;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ /* Allocate the private data */
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ card->dev = dev;
+
+ ret = qcom_snd_parse_of(card);
+ if (ret) {
+ dev_err(dev, "Error parsing OF data\n");
+ return ret;
+ }
+
+ snd_soc_card_set_drvdata(card, data);
+
+ sc7180_add_ops(card);
+
+ ret = sc7180_parse_aux_of(dev);
+ if (ret) {
+ dev_err(dev, "Failed to parse OF for jack device\n");
+ return ret;
+ }
+
+ return devm_snd_soc_register_card(dev, card);
+}
+
+static const struct of_device_id sc7180_snd_device_id[] = {
+ { .compatible = "qcom,sc7180-sndcard" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, sc7180_snd_device_id);
+
+static struct platform_driver sc7180_snd_driver = {
+ .probe = sc7180_snd_platform_probe,
+ .driver = {
+ .name = "msm-snd-sc7180",
+ .of_match_table = sc7180_snd_device_id,
+ },
+};
+module_platform_driver(sc7180_snd_driver);
+
+MODULE_DESCRIPTION("sc7180 ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");
--
2.28.0.220.ged08abb693-goog
^ permalink raw reply related [flat|nested] 5+ messages in thread