// SPDX-License-Identifier: GPL-2.0-or-later

/*
    card-ad1816a.c - driver for ADI SoundPort AD1816A based soundcards.
    Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it>

*/

#include <linux/init.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/pnp.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/ad1816a.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>

MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
MODULE_DESCRIPTION("AD1816A, AD1815");
MODULE_LICENSE("GPL");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 1-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;  /* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* Pnp setup */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* Pnp setup */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* PnP setup */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* PnP setup */
static int clockfreq[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for ad1816a based soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for ad1816a based soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable ad1816a based soundcard.");
module_param_array(clockfreq, int, NULL, 0444);
MODULE_PARM_DESC(clockfreq, "Clock frequency for ad1816a driver (default = 0).");

static const struct pnp_card_device_id snd_ad1816a_pnpids[] = {
        /* Analog Devices AD1815 */
        { .id = "ADS7150", .devs = { { .id = "ADS7150" }, { .id = "ADS7151" } } },
        /* Analog Devices AD1816? */
        { .id = "ADS7180", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
        /* Analog Devices AD1816A - added by Kenneth Platz <kxp@atl.hp.com> */
        { .id = "ADS7181", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
        /* Analog Devices AD1816A - Aztech/Newcom SC-16 3D */
        { .id = "AZT1022", .devs = { { .id = "AZT1018" }, { .id = "AZT2002" } } },
        /* Highscreen Sound-Boostar 16 3D - added by Stefan Behnel */
        { .id = "LWC1061", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
        /* Highscreen Sound-Boostar 16 3D */
        { .id = "MDK1605", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
        /* Shark Predator ISA - added by Ken Arromdee */
        { .id = "SMM7180", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
        /* Analog Devices AD1816A - Terratec AudioSystem EWS64 S */
        { .id = "TER1112", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
        /* Analog Devices AD1816A - Terratec AudioSystem EWS64 S */
        { .id = "TER1112", .devs = { { .id = "TER1100" }, { .id = "TER1101" } } },
        /* Analog Devices AD1816A - Terratec Base 64 */
        { .id = "TER1411", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
        /* end */
        { .id = "" }
};

MODULE_DEVICE_TABLE(pnp_card, snd_ad1816a_pnpids);


#define DRIVER_NAME     "snd-card-ad1816a"


static int snd_card_ad1816a_pnp(int dev, struct pnp_card_link *card,
                                const struct pnp_card_device_id *id)
{
        struct pnp_dev *pdev;
        int err;

        pdev = pnp_request_card_device(card, id->devs[0].id, NULL);
        if (pdev == NULL)
                return -EBUSY;

        err = pnp_activate_dev(pdev);
        if (err < 0) {
                dev_err(&pdev->dev, "AUDIO PnP configure failure\n");
                return -EBUSY;
        }

        port[dev] = pnp_port_start(pdev, 2);
        fm_port[dev] = pnp_port_start(pdev, 1);
        dma1[dev] = pnp_dma(pdev, 0);
        dma2[dev] = pnp_dma(pdev, 1);
        irq[dev] = pnp_irq(pdev, 0);

        pdev = pnp_request_card_device(card, id->devs[1].id, NULL);
        if (pdev == NULL) {
                mpu_port[dev] = -1;
                pr_warn("MPU401 device busy, skipping.\n");
                return 0;
        }

        err = pnp_activate_dev(pdev);
        if (err < 0) {
                dev_err(&pdev->dev, "MPU401 PnP configure failure\n");
                mpu_port[dev] = -1;
        } else {
                mpu_port[dev] = pnp_port_start(pdev, 0);
                mpu_irq[dev] = pnp_irq(pdev, 0);
        }

        return 0;
}

static int snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard,
                                  const struct pnp_card_device_id *pid)
{
        int error;
        struct snd_card *card;
        struct snd_ad1816a *chip;
        struct snd_opl3 *opl3;

        error = snd_devm_card_new(&pcard->card->dev,
                                  index[dev], id[dev], THIS_MODULE,
                                  sizeof(struct snd_ad1816a), &card);
        if (error < 0)
                return error;
        chip = card->private_data;

        error = snd_card_ad1816a_pnp(dev, pcard, pid);
        if (error)
                return error;

        error = snd_ad1816a_create(card, port[dev],
                                   irq[dev],
                                   dma1[dev],
                                   dma2[dev],
                                   chip);
        if (error)
                return error;
        if (clockfreq[dev] >= 5000 && clockfreq[dev] <= 100000)
                chip->clock_freq = clockfreq[dev];

        strscpy(card->driver, "AD1816A");
        strscpy(card->shortname, "ADI SoundPort AD1816A");
        sprintf(card->longname, "%s, SS at 0x%lx, irq %d, dma %d&%d",
                card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]);

        error = snd_ad1816a_pcm(chip, 0);
        if (error < 0)
                return error;

        error = snd_ad1816a_mixer(chip);
        if (error < 0)
                return error;

        error = snd_ad1816a_timer(chip, 0);
        if (error < 0)
                return error;

        if (mpu_port[dev] > 0) {
                if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
                                        mpu_port[dev], 0, mpu_irq[dev],
                                        NULL) < 0)
                        dev_err(card->dev, "no MPU-401 device at 0x%lx.\n",
                                mpu_port[dev]);
        }

        if (fm_port[dev] > 0) {
                if (snd_opl3_create(card,
                                    fm_port[dev], fm_port[dev] + 2,
                                    OPL3_HW_AUTO, 0, &opl3) < 0) {
                        dev_err(card->dev, "no OPL device at 0x%lx-0x%lx.\n",
                                fm_port[dev], fm_port[dev] + 2);
                } else {
                        error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
                        if (error < 0)
                                return error;
                }
        }

        error = snd_card_register(card);
        if (error < 0)
                return error;
        pnp_set_card_drvdata(pcard, card);
        return 0;
}

static unsigned int ad1816a_devices;

static int snd_ad1816a_pnp_detect(struct pnp_card_link *card,
                                  const struct pnp_card_device_id *id)
{
        static int dev;
        int res;

        for ( ; dev < SNDRV_CARDS; dev++) {
                if (!enable[dev])
                        continue;
                res = snd_card_ad1816a_probe(dev, card, id);
                if (res < 0)
                        return res;
                dev++;
                ad1816a_devices++;
                return 0;
        }
        return -ENODEV;
}

#ifdef CONFIG_PM
static int snd_ad1816a_pnp_suspend(struct pnp_card_link *pcard,
                                   pm_message_t state)
{
        struct snd_card *card = pnp_get_card_drvdata(pcard);

        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
        snd_ad1816a_suspend(card->private_data);
        return 0;
}

static int snd_ad1816a_pnp_resume(struct pnp_card_link *pcard)
{
        struct snd_card *card = pnp_get_card_drvdata(pcard);

        snd_ad1816a_resume(card->private_data);
        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
        return 0;
}
#endif

static struct pnp_card_driver ad1816a_pnpc_driver = {
        .flags          = PNP_DRIVER_RES_DISABLE,
        .name           = "ad1816a",
        .id_table       = snd_ad1816a_pnpids,
        .probe          = snd_ad1816a_pnp_detect,
#ifdef CONFIG_PM
        .suspend        = snd_ad1816a_pnp_suspend,
        .resume         = snd_ad1816a_pnp_resume,
#endif
};

static int __init alsa_card_ad1816a_init(void)
{
        int err;

        err = pnp_register_card_driver(&ad1816a_pnpc_driver);
        if (err)
                return err;

        if (!ad1816a_devices) {
                pnp_unregister_card_driver(&ad1816a_pnpc_driver);
#ifdef MODULE
                pr_err("no AD1816A based soundcards found.\n");
#endif  /* MODULE */
                return -ENODEV;
        }
        return 0;
}

static void __exit alsa_card_ad1816a_exit(void)
{
        pnp_unregister_card_driver(&ad1816a_pnpc_driver);
}

module_init(alsa_card_ad1816a_init)
module_exit(alsa_card_ad1816a_exit)