// SPDX-License-Identifier: GPL-2.0-only
// This file incorporates work covered by the following copyright notice:
// Copyright (c) 2023 Intel Corporation
// Copyright (c) 2024 Advanced Micro Devices, Inc.
/*
 *  soc_sdw_cs42l42 - Helpers to handle CS42L42 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/control.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <sound/soc_sdw_utils.h>

static const struct snd_soc_dapm_route cs42l42_map[] = {
        /* HP jack connectors - unknown if we have jack detection */
        {"Headphone", NULL, "cs42l42 HP"},

        /* other jacks */
        {"cs42l42 HS", NULL, "Headset Mic"},
};

static struct snd_soc_jack_pin cs42l42_jack_pins[] = {
        {
                .pin    = "Headphone",
                .mask   = SND_JACK_HEADPHONE,
        },
        {
                .pin    = "Headset Mic",
                .mask   = SND_JACK_MICROPHONE,
        },
};

int asoc_sdw_cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
{
        struct snd_soc_card *card = rtd->card;
        struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
        struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
        struct snd_soc_component *component;
        struct snd_soc_jack *jack;
        int ret;

        component = dai->component;
        card->components = devm_kasprintf(card->dev, GFP_KERNEL,
                                          "%s hs:cs42l42",
                                          card->components);
        if (!card->components)
                return -ENOMEM;

        ret = snd_soc_dapm_add_routes(dapm, cs42l42_map,
                                      ARRAY_SIZE(cs42l42_map));

        if (ret) {
                dev_err(card->dev, "cs42l42 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,
                                         cs42l42_jack_pins,
                                         ARRAY_SIZE(cs42l42_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_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);

        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;
}
EXPORT_SYMBOL_NS(asoc_sdw_cs42l42_rtd_init, "SND_SOC_SDW_UTILS");