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trident.c

/*
 *  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
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/init.h>
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/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");
MODULE_SUPPORTED_DEVICE("{{Trident,4DWave DX},"
            "{Trident,4DWave NX},"
            "{SiS,SI7018 PCI Audio},"
            "{Best Union,Miss Melody 4DWave PCI},"
            "{HIS,4DWave PCI},"
            "{Warpspeed,ONSpeed 4DWave PCI},"
            "{Aztech Systems,PCI 64-Q3D},"
            "{Addonics,SV 750},"
            "{CHIC,True Sound 4Dwave},"
            "{Shark,Predator4D-PCI},"
            "{Jaton,SonicWave 4D},"
            "{Hoontech,SoundTrack Digital 4DWave NX}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;    /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;     /* ID for this card */
static int 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 struct pci_device_id snd_trident_ids[] = {
      {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX), 
            PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
      {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX), 
            0, 0, 0},
      {PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018), 0, 0, 0},
      { 0, }
};

MODULE_DEVICE_TABLE(pci, snd_trident_ids);

static int __devinit 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;
      }

      card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
      if (card == NULL)
            return -ENOMEM;

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

      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";
      }
      strcpy(card->driver, str);
      if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
            strcpy(card->shortname, "SiS ");
      } else {
            strcpy(card->shortname, "Trident ");
      }
      strcat(card->shortname, card->driver);
      sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
            card->shortname, trident->port, trident->irq);

      if ((err = snd_trident_pcm(trident, pcm_dev++, NULL)) < 0) {
            snd_card_free(card);
            return err;
      }
      switch (trident->device) {
      case TRIDENT_DEVICE_ID_DX:
      case TRIDENT_DEVICE_ID_NX:
            if ((err = snd_trident_foldback_pcm(trident, pcm_dev++, NULL)) < 0) {
                  snd_card_free(card);
                  return err;
            }
            break;
      }
      if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
            if ((err = snd_trident_spdif_pcm(trident, pcm_dev++, NULL)) < 0) {
                  snd_card_free(card);
                  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,
                               trident->irq, 0, &trident->rmidi)) < 0) {
            snd_card_free(card);
            return err;
      }

      snd_trident_create_gameport(trident);

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

static void __devexit snd_trident_remove(struct pci_dev *pci)
{
      snd_card_free(pci_get_drvdata(pci));
      pci_set_drvdata(pci, NULL);
}

static struct pci_driver driver = {
      .name = "Trident4DWaveAudio",
      .id_table = snd_trident_ids,
      .probe = snd_trident_probe,
      .remove = __devexit_p(snd_trident_remove),
#ifdef CONFIG_PM
      .suspend = snd_trident_suspend,
      .resume = snd_trident_resume,
#endif
};

static int __init alsa_card_trident_init(void)
{
      return pci_register_driver(&driver);
}

static void __exit alsa_card_trident_exit(void)
{
      pci_unregister_driver(&driver);
}

module_init(alsa_card_trident_init)
module_exit(alsa_card_trident_exit)

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