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linux-sg2042/sound/pci/trident/trident.c

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/*
* 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 <sound/driver.h>
#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;
}
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
if ((err = snd_trident_attach_synthesizer(trident)) < 0) {
snd_card_free(card);
return err;
}
#endif
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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