// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Driver for Trident 4DWave DX/NX & SiS SI7018 Audio PCI soundcard
 *
 *  Driver was originated by Trident <audio@tridentmicro.com>
 *                           Fri Feb 19 15:55:28 MST 1999
 */

#include <linux/init.h>
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/module.h>
#include <sound/core.h>
#include "trident.h"
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, <audio@tridentmicro.com>");
MODULE_DESCRIPTION("Trident 4D-WaveDX/NX & SiS SI7018");
MODULE_LICENSE("GPL");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32};
static int wavetable_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8192};

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Trident 4DWave PCI soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Trident 4DWave PCI soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Trident 4DWave PCI soundcard.");
module_param_array(pcm_channels, int, NULL, 0444);
MODULE_PARM_DESC(pcm_channels, "Number of hardware channels assigned for PCM.");
module_param_array(wavetable_size, int, NULL, 0444);
MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth.");

static const struct pci_device_id snd_trident_ids[] = {
        {
                PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX),
                .class = PCI_CLASS_MULTIMEDIA_AUDIO << 8,
                .class_mask = 0xffff00,
        }, {
                PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX),
        }, {
                PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018)
        },
        { }
};

MODULE_DEVICE_TABLE(pci, snd_trident_ids);

static int snd_trident_probe(struct pci_dev *pci,
                             const struct pci_device_id *pci_id)
{
        static int dev;
        struct snd_card *card;
        struct snd_trident *trident;
        const char *str;
        int err, pcm_dev = 0;

        if (dev >= SNDRV_CARDS)
                return -ENODEV;
        if (!enable[dev]) {
                dev++;
                return -ENOENT;
        }

        err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
                                sizeof(*trident), &card);
        if (err < 0)
                return err;
        trident = card->private_data;

        err = snd_trident_create(card, pci,
                                 pcm_channels[dev],
                                 ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
                                 wavetable_size[dev]);
        if (err < 0)
                return err;

        switch (trident->device) {
        case TRIDENT_DEVICE_ID_DX:
                str = "TRID4DWAVEDX";
                break;
        case TRIDENT_DEVICE_ID_NX:
                str = "TRID4DWAVENX";
                break;
        case TRIDENT_DEVICE_ID_SI7018:
                str = "SI7018";
                break;
        default:
                str = "Unknown";
        }
        strscpy(card->driver, str);
        if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
                strscpy(card->shortname, "SiS ");
        } else {
                strscpy(card->shortname, "Trident ");
        }
        strcat(card->shortname, str);
        sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
                card->shortname, trident->port, trident->irq);

        err = snd_trident_pcm(trident, pcm_dev++);
        if (err < 0)
                return err;
        switch (trident->device) {
        case TRIDENT_DEVICE_ID_DX:
        case TRIDENT_DEVICE_ID_NX:
                err = snd_trident_foldback_pcm(trident, pcm_dev++);
                if (err < 0)
                        return err;
                break;
        }
        if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
                err = snd_trident_spdif_pcm(trident, pcm_dev++);
                if (err < 0)
                        return err;
        }
        if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
                err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE,
                                          trident->midi_port,
                                          MPU401_INFO_INTEGRATED |
                                          MPU401_INFO_IRQ_HOOK,
                                          -1, &trident->rmidi);
                if (err < 0)
                        return err;
        }

        snd_trident_create_gameport(trident);

        err = snd_card_register(card);
        if (err < 0)
                return err;
        pci_set_drvdata(pci, card);
        dev++;
        return 0;
}

static struct pci_driver trident_driver = {
        .name = KBUILD_MODNAME,
        .id_table = snd_trident_ids,
        .probe = snd_trident_probe,
#ifdef CONFIG_PM_SLEEP
        .driver = {
                .pm = &snd_trident_pm,
        },
#endif
};

module_pci_driver(trident_driver);