// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Driver for PowerMac AWACS
 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
 *   based on dmasound.c.
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/initval.h>
#include "pmac.h"
#include "awacs.h"
#include "burgundy.h"

#define CHIP_NAME "PMac"

MODULE_DESCRIPTION("PowerMac");
MODULE_LICENSE("GPL");

static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
static bool enable_beep = 1;

module_param(index, int, 0444);
MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
module_param(id, charp, 0444);
MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
module_param(enable_beep, bool, 0444);
MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");

static struct platform_device *device;


/*
 */

static int snd_pmac_probe(struct platform_device *devptr)
{
        struct snd_card *card;
        struct snd_pmac *chip;
        char *name_ext;
        int err;

        err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card);
        if (err < 0)
                return err;

        err = snd_pmac_new(card, &chip);
        if (err < 0)
                goto __error;
        card->private_data = chip;

        switch (chip->model) {
        case PMAC_BURGUNDY:
                strscpy(card->driver, "PMac Burgundy");
                strscpy(card->shortname, "PowerMac Burgundy");
                sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
                        card->shortname, chip->device_id, chip->subframe);
                err = snd_pmac_burgundy_init(chip);
                if (err < 0)
                        goto __error;
                break;
        case PMAC_DACA:
                strscpy(card->driver, "PMac DACA");
                strscpy(card->shortname, "PowerMac DACA");
                sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
                        card->shortname, chip->device_id, chip->subframe);
                err = snd_pmac_daca_init(chip);
                if (err < 0)
                        goto __error;
                break;
        case PMAC_TUMBLER:
        case PMAC_SNAPPER:
                name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
                sprintf(card->driver, "PMac %s", name_ext);
                sprintf(card->shortname, "PowerMac %s", name_ext);
                sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
                        card->shortname, chip->device_id, chip->subframe);
                err = snd_pmac_tumbler_init(chip);
                if (err < 0)
                        goto __error;
                err = snd_pmac_tumbler_post_init();
                if (err < 0)
                        goto __error;
                break;
        case PMAC_AWACS:
        case PMAC_SCREAMER:
                name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
                sprintf(card->driver, "PMac %s", name_ext);
                sprintf(card->shortname, "PowerMac %s", name_ext);
                if (chip->is_pbook_3400)
                        name_ext = " [PB3400]";
                else if (chip->is_pbook_G3)
                        name_ext = " [PBG3]";
                else
                        name_ext = "";
                sprintf(card->longname, "%s%s Rev %d",
                        card->shortname, name_ext, chip->revision);
                err = snd_pmac_awacs_init(chip);
                if (err < 0)
                        goto __error;
                break;
        default:
                dev_err(&devptr->dev, "unsupported hardware %d\n", chip->model);
                err = -EINVAL;
                goto __error;
        }

        err = snd_pmac_pcm_new(chip);
        if (err < 0)
                goto __error;

        chip->initialized = 1;
        if (enable_beep)
                snd_pmac_attach_beep(chip);

        err = snd_card_register(card);
        if (err < 0)
                goto __error;

        platform_set_drvdata(devptr, card);
        return 0;

__error:
        snd_card_free(card);
        return err;
}


static void snd_pmac_remove(struct platform_device *devptr)
{
        snd_card_free(platform_get_drvdata(devptr));
}

#ifdef CONFIG_PM_SLEEP
static int snd_pmac_driver_suspend(struct device *dev)
{
        struct snd_card *card = dev_get_drvdata(dev);
        snd_pmac_suspend(card->private_data);
        return 0;
}

static int snd_pmac_driver_resume(struct device *dev)
{
        struct snd_card *card = dev_get_drvdata(dev);
        snd_pmac_resume(card->private_data);
        return 0;
}

static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
#define SND_PMAC_PM_OPS &snd_pmac_pm
#else
#define SND_PMAC_PM_OPS NULL
#endif

#define SND_PMAC_DRIVER         "snd_powermac"

static struct platform_driver snd_pmac_driver = {
        .probe          = snd_pmac_probe,
        .remove         = snd_pmac_remove,
        .driver         = {
                .name   = SND_PMAC_DRIVER,
                .pm     = SND_PMAC_PM_OPS,
        },
};

static int __init alsa_card_pmac_init(void)
{
        int err;

        err = platform_driver_register(&snd_pmac_driver);
        if (err < 0)
                return err;
        device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
        return 0;

}

static void __exit alsa_card_pmac_exit(void)
{
        if (!IS_ERR(device))
                platform_device_unregister(device);
        platform_driver_unregister(&snd_pmac_driver);
}

module_init(alsa_card_pmac_init)
module_exit(alsa_card_pmac_exit)