[PATCH 14/14] ASoC: Intel: avs: Add da7219 machine board
Cezary Rojewski
cezary.rojewski at intel.com
Wed Apr 27 10:19:02 CEST 2022
To support AVS-da7219 configuration add machine board connecting AVS
platform component driver with da7219 codec one.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski at linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>
---
sound/soc/intel/avs/boards/Kconfig | 10 +
sound/soc/intel/avs/boards/Makefile | 2 +
sound/soc/intel/avs/boards/da7219.c | 281 ++++++++++++++++++++++++++++
3 files changed, 293 insertions(+)
create mode 100644 sound/soc/intel/avs/boards/da7219.c
diff --git a/sound/soc/intel/avs/boards/Kconfig b/sound/soc/intel/avs/boards/Kconfig
index 38a76f486d91..3a24cc9ec64d 100644
--- a/sound/soc/intel/avs/boards/Kconfig
+++ b/sound/soc/intel/avs/boards/Kconfig
@@ -4,6 +4,16 @@ menu "Intel AVS Machine drivers"
comment "Available DSP configurations"
+config SND_SOC_INTEL_AVS_MACH_DA7219
+ tristate "da7219 I2S board"
+ depends on I2C
+ depends on MFD_INTEL_LPSS || COMPILE_TEST
+ select SND_SOC_DA7219
+ help
+ This adds support for AVS with DA7219 I2S codec configuration.
+ Say Y or m if you have such a device. This is a recommended option.
+ If unsure select "N".
+
config SND_SOC_INTEL_AVS_MACH_DMIC
tristate "DMIC generic board"
select SND_SOC_DMIC
diff --git a/sound/soc/intel/avs/boards/Makefile b/sound/soc/intel/avs/boards/Makefile
index a9e27638d23c..5d8ddd1e08c5 100644
--- a/sound/soc/intel/avs/boards/Makefile
+++ b/sound/soc/intel/avs/boards/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
+snd-soc-avs-da7219-objs := da7219.o
snd-soc-avs-dmic-objs := dmic.o
snd-soc-avs-hdaudio-objs := hdaudio.o
snd-soc-avs-max98357a-objs := max98357a.o
@@ -12,6 +13,7 @@ snd-soc-avs-rt5682-objs := rt5682.o
snd-soc-avs-ssm4567-objs := ssm4567.o
snd-soc-avs-ssp-test-objs := ssp_test.o
+obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_DA7219) += snd-soc-avs-da7219.o
obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_DMIC) += snd-soc-avs-dmic.o
obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_HDAUDIO) += snd-soc-avs-hdaudio.o
obj-$(CONFIG_SND_SOC_INTEL_AVS_MACH_MAX98357A) += snd-soc-avs-max98357a.o
diff --git a/sound/soc/intel/avs/boards/da7219.c b/sound/soc/intel/avs/boards/da7219.c
new file mode 100644
index 000000000000..80ef0642649b
--- /dev/null
+++ b/sound/soc/intel/avs/boards/da7219.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+//
+// Author: Cezary Rojewski <cezary.rojewski at intel.com>
+//
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include <sound/soc-dapm.h>
+#include <uapi/linux/input-event-codes.h>
+#include "../../../codecs/da7219.h"
+#include "../../../codecs/da7219-aad.h"
+
+#define DA7219_DAI_NAME "da7219-hifi"
+
+static const struct snd_kcontrol_new card_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct snd_soc_dai *codec_dai;
+ int ret = 0;
+
+ codec_dai = snd_soc_card_get_codec_dai(card, DA7219_DAI_NAME);
+ if (!codec_dai) {
+ dev_err(card->dev, "Codec dai not found. Unable to set/unset codec pll\n");
+ return -EIO;
+ }
+
+ if (SND_SOC_DAPM_EVENT_OFF(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
+ if (ret)
+ dev_err(card->dev, "failed to stop PLL: %d\n", ret);
+ } else if (SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
+ 0, DA7219_PLL_FREQ_OUT_98304);
+ if (ret)
+ dev_err(card->dev, "failed to start PLL: %d\n", ret);
+ }
+
+ return ret;
+}
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, platform_clock_control,
+ SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_PRE_PMU),
+};
+
+static const struct snd_soc_dapm_route card_base_routes[] = {
+ /* HP jack connectors - unknown if we have jack detection */
+ {"Headphone Jack", NULL, "HPL"},
+ {"Headphone Jack", NULL, "HPR"},
+
+ {"MIC", NULL, "Headset Mic"},
+
+ { "Headphone Jack", NULL, "Platform Clock" },
+ { "Headset Mic", NULL, "Platform Clock" },
+};
+
+static int avs_da7219_codec_init(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
+ struct snd_soc_card *card = runtime->card;
+ struct snd_soc_jack *jack;
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0);
+ int clk_freq;
+ int ret;
+
+ jack = snd_soc_card_get_drvdata(card);
+ clk_freq = 19200000;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, clk_freq, SND_SOC_CLOCK_IN);
+ if (ret) {
+ dev_err(card->dev, "can't set codec sysclk configuration\n");
+ return ret;
+ }
+
+ /*
+ * Headset buttons map to the google Reference headset.
+ * These can be configured by userspace.
+ */
+ ret = snd_soc_card_jack_new(card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_BTN_0 |
+ SND_JACK_BTN_1 | SND_JACK_BTN_2 |
+ SND_JACK_BTN_3 | SND_JACK_LINEOUT, jack);
+ if (ret) {
+ dev_err(card->dev, "Headset Jack creation failed: %d\n", ret);
+ return ret;
+ }
+
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+
+ da7219_aad_jack_det(component, jack);
+
+ return 0;
+}
+
+static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
+ struct snd_soc_dai_link **dai_link)
+{
+ struct snd_soc_dai_link_component *platform;
+ struct snd_soc_dai_link *dl;
+
+ dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
+ platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
+ if (!dl || !platform)
+ return -ENOMEM;
+
+ platform->name = platform_name;
+
+ dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port);
+ dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
+ dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
+ if (!dl->name || !dl->cpus || !dl->codecs)
+ return -ENOMEM;
+
+ dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port);
+ dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-DLGS7219:00");
+ dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, DA7219_DAI_NAME);
+ if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
+ return -ENOMEM;
+
+ dl->num_cpus = 1;
+ dl->num_codecs = 1;
+ dl->platforms = platform;
+ dl->num_platforms = 1;
+ dl->id = 0;
+ dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
+ dl->init = avs_da7219_codec_init;
+ dl->nonatomic = 1;
+ dl->no_pcm = 1;
+ dl->dpcm_capture = 1;
+ dl->dpcm_playback = 1;
+
+ *dai_link = dl;
+
+ return 0;
+}
+
+static int avs_create_dapm_routes(struct device *dev, int ssp_port,
+ struct snd_soc_dapm_route **routes, int *num_routes)
+{
+ struct snd_soc_dapm_route *dr;
+ const int num_base = ARRAY_SIZE(card_base_routes);
+ const int num_dr = num_base + 2;
+ int idx;
+
+ dr = devm_kcalloc(dev, num_dr, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return -ENOMEM;
+
+ memcpy(dr, card_base_routes, num_base * sizeof(*dr));
+
+ idx = num_base;
+ dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "Playback");
+ dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Tx", ssp_port);
+ if (!dr[idx].sink || !dr[idx].source)
+ return -ENOMEM;
+
+ idx++;
+ dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Rx", ssp_port);
+ dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "Capture");
+ if (!dr[idx].sink || !dr[idx].source)
+ return -ENOMEM;
+
+ *routes = dr;
+ *num_routes = num_dr;
+
+ return 0;
+}
+
+static int avs_card_set_jack(struct snd_soc_card *card, struct snd_soc_jack *jack)
+{
+ struct snd_soc_component *component;
+
+ for_each_card_components(card, component)
+ snd_soc_component_set_jack(component, jack, NULL);
+ return 0;
+}
+
+static int avs_card_remove(struct snd_soc_card *card)
+{
+ return avs_card_set_jack(card, NULL);
+}
+
+static int avs_card_suspend_pre(struct snd_soc_card *card)
+{
+ return avs_card_set_jack(card, NULL);
+}
+
+static int avs_card_resume_post(struct snd_soc_card *card)
+{
+ struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
+
+ return avs_card_set_jack(card, jack);
+}
+
+static int avs_da7219_probe(struct platform_device *pdev)
+{
+ struct snd_soc_dapm_route *routes;
+ struct snd_soc_dai_link *dai_link;
+ struct snd_soc_acpi_mach *mach;
+ struct snd_soc_card *card;
+ struct snd_soc_jack *jack;
+ struct device *dev = &pdev->dev;
+ const char *pname;
+ int ret, num_routes;
+
+ mach = dev_get_platdata(dev);
+ pname = mach->mach_params.platform;
+
+ ret = avs_create_dai_link(dev, pname, __ffs(mach->link_mask), &dai_link);
+ if (ret) {
+ dev_err(dev, "Failed to create dai link: %d", ret);
+ return ret;
+ }
+
+ ret = avs_create_dapm_routes(dev, __ffs(mach->link_mask), &routes, &num_routes);
+ if (ret) {
+ dev_err(dev, "Failed to create dapm routes: %d", ret);
+ return ret;
+ }
+
+ jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
+ card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+ if (!jack || !card)
+ return -ENOMEM;
+
+ card->name = "avs_da7219";
+ card->dev = dev;
+ card->owner = THIS_MODULE;
+ card->remove = avs_card_remove;
+ card->suspend_pre = avs_card_suspend_pre;
+ card->resume_post = avs_card_resume_post;
+ card->dai_link = dai_link;
+ card->num_links = 1;
+ card->controls = card_controls;
+ card->num_controls = ARRAY_SIZE(card_controls);
+ card->dapm_widgets = card_widgets;
+ card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
+ card->dapm_routes = routes;
+ card->num_dapm_routes = num_routes;
+ card->fully_routed = true;
+ snd_soc_card_set_drvdata(card, jack);
+
+ ret = snd_soc_fixup_dai_links_platform_name(card, pname);
+ if (ret)
+ return ret;
+
+ return devm_snd_soc_register_card(dev, card);
+}
+
+static struct platform_driver avs_da7219_driver = {
+ .probe = avs_da7219_probe,
+ .driver = {
+ .name = "avs_da7219",
+ .pm = &snd_soc_pm_ops,
+ },
+};
+
+module_platform_driver(avs_da7219_driver);
+
+MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski at intel.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:avs_da7219");
--
2.25.1
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