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Diffstat (limited to 'sound/soc/intel/boards/sof_sdw_rt711.c')
-rw-r--r--sound/soc/intel/boards/sof_sdw_rt711.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_rt711.c b/sound/soc/intel/boards/sof_sdw_rt711.c
new file mode 100644
index 000000000000..2a4917e3d561
--- /dev/null
+++ b/sound/soc/intel/boards/sof_sdw_rt711.c
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Intel Corporation
+
+/*
+ * sof_sdw_rt711 - Helpers to handle RT711 from generic machine driver
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/input.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include <sound/jack.h>
+#include "sof_sdw_common.h"
+
+/*
+ * Note this MUST be called before snd_soc_register_card(), so that the props
+ * are in place before the codec component driver's probe function parses them.
+ */
+static int rt711_add_codec_device_props(const char *sdw_dev_name)
+{
+ struct property_entry props[MAX_NO_PROPS] = {};
+ struct device *sdw_dev;
+ int ret;
+
+ sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, sdw_dev_name);
+ if (!sdw_dev)
+ return -EPROBE_DEFER;
+
+ if (SOF_RT711_JDSRC(sof_sdw_quirk)) {
+ props[0] = PROPERTY_ENTRY_U32("realtek,jd-src",
+ SOF_RT711_JDSRC(sof_sdw_quirk));
+ }
+
+ ret = device_add_properties(sdw_dev, props);
+ put_device(sdw_dev);
+
+ return ret;
+}
+
+static const struct snd_soc_dapm_widget rt711_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route rt711_map[] = {
+ /* Headphones */
+ { "Headphone", NULL, "rt711 HP" },
+ { "rt711 MIC2", NULL, "Headset Mic" },
+};
+
+static const struct snd_kcontrol_new rt711_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static struct snd_soc_jack_pin rt711_jack_pins[] = {
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static int rt711_rtd_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_card *card = rtd->card;
+ struct mc_private *ctx = snd_soc_card_get_drvdata(card);
+ struct snd_soc_component *component = rtd->codec_dai->component;
+ struct snd_soc_jack *jack;
+ int ret;
+
+ card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+ "%s hs:rt711",
+ card->components);
+ if (!card->components)
+ return -ENOMEM;
+
+ ret = snd_soc_add_card_controls(card, rt711_controls,
+ ARRAY_SIZE(rt711_controls));
+ if (ret) {
+ dev_err(card->dev, "rt711 controls addition failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dapm_new_controls(&card->dapm, rt711_widgets,
+ ARRAY_SIZE(rt711_widgets));
+ if (ret) {
+ dev_err(card->dev, "rt711 widgets addition failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dapm_add_routes(&card->dapm, rt711_map,
+ ARRAY_SIZE(rt711_map));
+
+ if (ret) {
+ dev_err(card->dev, "rt711 map addition failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_BTN_0 |
+ SND_JACK_BTN_1 | SND_JACK_BTN_2 |
+ SND_JACK_BTN_3,
+ &ctx->sdw_headset,
+ rt711_jack_pins,
+ ARRAY_SIZE(rt711_jack_pins));
+ if (ret) {
+ dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
+ ret);
+ return ret;
+ }
+
+ jack = &ctx->sdw_headset;
+
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_VOLUMEUP);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_PLAYPAUSE);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+
+ ret = snd_soc_component_set_jack(component, jack, NULL);
+
+ if (ret)
+ dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
+ ret);
+
+ return ret;
+}
+
+int sof_sdw_rt711_init(const struct snd_soc_acpi_link_adr *link,
+ struct snd_soc_dai_link *dai_links,
+ struct sof_sdw_codec_info *info,
+ bool playback)
+{
+ int ret;
+
+ /*
+ * headset should be initialized once.
+ * Do it with dai link for playback.
+ */
+ if (!playback)
+ return 0;
+
+ ret = rt711_add_codec_device_props("sdw:0:25d:711:0");
+ if (ret < 0)
+ return ret;
+
+ dai_links->init = rt711_rtd_init;
+
+ return 0;
+}