100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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// Copyright (c) 2023 Intel Corporation
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/*
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* sof_sdw_cs42l42 - Helpers to handle CS42L42 from generic machine driver
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*/
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/input.h>
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#include <linux/soundwire/sdw.h>
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#include <linux/soundwire/sdw_type.h>
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#include <sound/control.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include <sound/soc-dapm.h>
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#include <sound/jack.h>
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#include "sof_sdw_common.h"
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static const struct snd_soc_dapm_route cs42l42_map[] = {
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/* HP jack connectors - unknown if we have jack detection */
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{"Headphone", NULL, "cs42l42 HP"},
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/* other jacks */
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{"cs42l42 HS", NULL, "Headset Mic"},
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};
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static struct snd_soc_jack_pin cs42l42_jack_pins[] = {
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{
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.pin = "Headphone",
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.mask = SND_JACK_HEADPHONE,
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},
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{
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.pin = "Headset Mic",
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.mask = SND_JACK_MICROPHONE,
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},
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};
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static const char * const jack_codecs[] = {
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"cs42l42"
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};
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int cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
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{
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struct snd_soc_card *card = rtd->card;
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struct mc_private *ctx = snd_soc_card_get_drvdata(card);
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struct snd_soc_dai *codec_dai;
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struct snd_soc_component *component;
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struct snd_soc_jack *jack;
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int ret;
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codec_dai = get_codec_dai_by_name(rtd, jack_codecs, ARRAY_SIZE(jack_codecs));
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if (!codec_dai)
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return -EINVAL;
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component = codec_dai->component;
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card->components = devm_kasprintf(card->dev, GFP_KERNEL,
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"%s hs:cs42l42",
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card->components);
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if (!card->components)
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return -ENOMEM;
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ret = snd_soc_dapm_add_routes(&card->dapm, cs42l42_map,
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ARRAY_SIZE(cs42l42_map));
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if (ret) {
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dev_err(card->dev, "cs42l42 map addition failed: %d\n", ret);
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return ret;
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}
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ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
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SND_JACK_HEADSET | SND_JACK_BTN_0 |
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SND_JACK_BTN_1 | SND_JACK_BTN_2 |
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SND_JACK_BTN_3,
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&ctx->sdw_headset,
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cs42l42_jack_pins,
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ARRAY_SIZE(cs42l42_jack_pins));
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if (ret) {
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dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
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ret);
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return ret;
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}
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jack = &ctx->sdw_headset;
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snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
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ret = snd_soc_component_set_jack(component, jack, NULL);
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if (ret)
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dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
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ret);
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return ret;
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}
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MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);
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