LXR linux/sound/pci/trident/trident.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *  Driver for Trident 4DWave DX/NX & SiS SI7018 Audio PCI soundcard
   4 *
   5 *  Driver was originated by Trident <audio@tridentmicro.com>
   6 *                           Fri Feb 19 15:55:28 MST 1999
   7 */
   8
   9#include <linux/init.h>
  10#include <linux/pci.h>
  11#include <linux/time.h>
  12#include <linux/module.h>
  13#include <sound/core.h>
  14#include "trident.h"
  15#include <sound/initval.h>
  16
  17MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, <audio@tridentmicro.com>");
  18MODULE_DESCRIPTION("Trident 4D-WaveDX/NX & SiS SI7018");
  19MODULE_LICENSE("GPL");
  20
  21static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  22static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  23static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  24static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32};
  25static int wavetable_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8192};
  26
  27module_param_array(index, int, NULL, 0444);
  28MODULE_PARM_DESC(index, "Index value for Trident 4DWave PCI soundcard.");
  29module_param_array(id, charp, NULL, 0444);
  30MODULE_PARM_DESC(id, "ID string for Trident 4DWave PCI soundcard.");
  31module_param_array(enable, bool, NULL, 0444);
  32MODULE_PARM_DESC(enable, "Enable Trident 4DWave PCI soundcard.");
  33module_param_array(pcm_channels, int, NULL, 0444);
  34MODULE_PARM_DESC(pcm_channels, "Number of hardware channels assigned for PCM.");
  35module_param_array(wavetable_size, int, NULL, 0444);
  36MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth.");
  37
  38static const struct pci_device_id snd_trident_ids[] = {
  39        {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX), 
  40                PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
  41        {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX), 
  42                0, 0, 0},
  43        {PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018), 0, 0, 0},
  44        { 0, }
  45};
  46
  47MODULE_DEVICE_TABLE(pci, snd_trident_ids);
  48
  49static int snd_trident_probe(struct pci_dev *pci,
  50                             const struct pci_device_id *pci_id)
  51{
  52        static int dev;
  53        struct snd_card *card;
  54        struct snd_trident *trident;
  55        const char *str;
  56        int err, pcm_dev = 0;
  57
  58        if (dev >= SNDRV_CARDS)
  59                return -ENODEV;
  60        if (!enable[dev]) {
  61                dev++;
  62                return -ENOENT;
  63        }
  64
  65        err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
  66                                sizeof(*trident), &card);
  67        if (err < 0)
  68                return err;
  69        trident = card->private_data;
  70
  71        err = snd_trident_create(card, pci,
  72                                 pcm_channels[dev],
  73                                 ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
  74                                 wavetable_size[dev]);
  75        if (err < 0)
  76                return err;
  77
  78        switch (trident->device) {
  79        case TRIDENT_DEVICE_ID_DX:
  80                str = "TRID4DWAVEDX";
  81                break;
  82        case TRIDENT_DEVICE_ID_NX:
  83                str = "TRID4DWAVENX";
  84                break;
  85        case TRIDENT_DEVICE_ID_SI7018:
  86                str = "SI7018";
  87                break;
  88        default:
  89                str = "Unknown";
  90        }
  91        strcpy(card->driver, str);
  92        if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
  93                strcpy(card->shortname, "SiS ");
  94        } else {
  95                strcpy(card->shortname, "Trident ");
  96        }
  97        strcat(card->shortname, str);
  98        sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
  99                card->shortname, trident->port, trident->irq);
 100
 101        err = snd_trident_pcm(trident, pcm_dev++);
 102        if (err < 0)
 103                return err;
 104        switch (trident->device) {
 105        case TRIDENT_DEVICE_ID_DX:
 106        case TRIDENT_DEVICE_ID_NX:
 107                err = snd_trident_foldback_pcm(trident, pcm_dev++);
 108                if (err < 0)
 109                        return err;
 110                break;
 111        }
 112        if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
 113                err = snd_trident_spdif_pcm(trident, pcm_dev++);
 114                if (err < 0)
 115                        return err;
 116        }
 117        if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
 118                err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE,
 119                                          trident->midi_port,
 120                                          MPU401_INFO_INTEGRATED |
 121                                          MPU401_INFO_IRQ_HOOK,
 122                                          -1, &trident->rmidi);
 123                if (err < 0)
 124                        return err;
 125        }
 126
 127        snd_trident_create_gameport(trident);
 128
 129        err = snd_card_register(card);
 130        if (err < 0)
 131                return err;
 132        pci_set_drvdata(pci, card);
 133        dev++;
 134        return 0;
 135}
 136
 137static struct pci_driver trident_driver = {
 138        .name = KBUILD_MODNAME,
 139        .id_table = snd_trident_ids,
 140        .probe = snd_trident_probe,
 141#ifdef CONFIG_PM_SLEEP
 142        .driver = {
 143                .pm = &snd_trident_pm,
 144        },
 145#endif
 146};
 147
 148module_pci_driver(trident_driver);
 149