diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_sdw_rt700.c')
-rw-r--r-- | sound/soc/intel/boards/sof_sdw_rt700.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_rt700.c b/sound/soc/intel/boards/sof_sdw_rt700.c new file mode 100644 index 0000000000..c93b1f5b94 --- /dev/null +++ b/sound/soc/intel/boards/sof_sdw_rt700.c @@ -0,0 +1,129 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2020 Intel Corporation + +/* + * sof_sdw_rt700 - Helpers to handle RT700 from generic machine driver + */ + +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/input.h> +#include <sound/control.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include <sound/soc-dapm.h> +#include <sound/jack.h> +#include "sof_sdw_common.h" + +static const struct snd_soc_dapm_widget rt700_widgets[] = { + SND_SOC_DAPM_HP("Headphones", NULL), + SND_SOC_DAPM_MIC("AMIC", NULL), + SND_SOC_DAPM_SPK("Speaker", NULL), +}; + +static const struct snd_soc_dapm_route rt700_map[] = { + /* Headphones */ + { "Headphones", NULL, "rt700 HP" }, + { "Speaker", NULL, "rt700 SPK" }, + { "rt700 MIC2", NULL, "AMIC" }, +}; + +static const struct snd_kcontrol_new rt700_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphones"), + SOC_DAPM_PIN_SWITCH("AMIC"), + SOC_DAPM_PIN_SWITCH("Speaker"), +}; + +static struct snd_soc_jack_pin rt700_jack_pins[] = { + { + .pin = "Headphones", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "AMIC", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static int rt700_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_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + struct snd_soc_jack *jack; + int ret; + + card->components = devm_kasprintf(card->dev, GFP_KERNEL, + "%s hs:rt700", + card->components); + if (!card->components) + return -ENOMEM; + + ret = snd_soc_add_card_controls(card, rt700_controls, + ARRAY_SIZE(rt700_controls)); + if (ret) { + dev_err(card->dev, "rt700 controls addition failed: %d\n", ret); + return ret; + } + + ret = snd_soc_dapm_new_controls(&card->dapm, rt700_widgets, + ARRAY_SIZE(rt700_widgets)); + if (ret) { + dev_err(card->dev, "rt700 widgets addition failed: %d\n", ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map, + ARRAY_SIZE(rt700_map)); + + if (ret) { + dev_err(card->dev, "rt700 map addition failed: %d\n", ret); + return ret; + } + + ret = snd_soc_card_jack_new_pins(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, + rt700_jack_pins, + ARRAY_SIZE(rt700_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_PLAYPAUSE); + snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); + snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); + snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); + + 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_rt700_init(struct snd_soc_card *card, + const struct snd_soc_acpi_link_adr *link, + struct snd_soc_dai_link *dai_links, + struct sof_sdw_codec_info *info, + bool playback) +{ + /* + * headset should be initialized once. + * Do it with dai link for playback. + */ + if (!playback) + return 0; + + dai_links->init = rt700_rtd_init; + + return 0; +} |