// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Universal codec driver for Intel High Definition Audio Codec
 *
 * HD audio codec driver for C-Media CMI9880
 *
 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "generic.h"

static int cmedia_probe(struct hda_codec *codec, const struct hda_device_id *id)
{
        struct hda_gen_spec *spec;
        struct auto_pin_cfg *cfg;
        bool is_cmi8888 = id->vendor_id == 0x13f68888;
        int err;

        spec = kzalloc_obj(*spec);
        if (spec == NULL)
                return -ENOMEM;

        codec->spec = spec;
        cfg = &spec->autocfg;
        snd_hda_gen_spec_init(spec);

        if (is_cmi8888) {
                /* mask NID 0x10 from the playback volume selection;
                 * it's a headphone boost volume handled manually below
                 */
                spec->out_vol_mask = (1ULL << 0x10);
        }

        err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
        if (err < 0)
                goto error;
        err = snd_hda_gen_parse_auto_config(codec, cfg);
        if (err < 0)
                goto error;

        err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
        if (err < 0)
                goto error;
        err = snd_hda_gen_parse_auto_config(codec, cfg);
        if (err < 0)
                goto error;

        if (is_cmi8888) {
                if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
                    AC_JACK_HP_OUT) {
                        static const struct snd_kcontrol_new amp_kctl =
                                HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
                                                 0x10, 0, HDA_OUTPUT);
                        if (!snd_hda_gen_add_kctl(spec, NULL, &amp_kctl)) {
                                err = -ENOMEM;
                                goto error;
                        }
                }
        }

        return 0;

 error:
        snd_hda_gen_remove(codec);
        return err;
}

static const struct hda_codec_ops cmedia_codec_ops = {
        .probe = cmedia_probe,
        .remove = snd_hda_gen_remove,
        .build_controls = snd_hda_gen_build_controls,
        .build_pcms = snd_hda_gen_build_pcms,
        .init = snd_hda_gen_init,
        .unsol_event = snd_hda_jack_unsol_event,
        .check_power_status = snd_hda_gen_check_power_status,
        .stream_pm = snd_hda_gen_stream_pm,
};

/*
 * driver entries
 */
static const struct hda_device_id snd_hda_id_cmedia[] = {
        HDA_CODEC_ID(0x13f68888, "CMI8888"),
        HDA_CODEC_ID(0x13f69880, "CMI9880"),
        HDA_CODEC_ID(0x434d4980, "CMI9880"),
        {} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("C-Media HD-audio codec");

static struct hda_codec_driver cmedia_driver = {
        .id = snd_hda_id_cmedia,
        .ops = &cmedia_codec_ops,
};

module_hda_codec_driver(cmedia_driver);