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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Driver for Trident 4DWave DX/NX & SiS SI7018 Audio PCI soundcard4 *5 * Driver was originated by Trident <audio@tridentmicro.com>6 * Fri Feb 19 15:55:28 MST 19997 */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_SLEEP142 .driver = {143 .pm = &snd_trident_pm,144 },145#endif146};147 148module_pci_driver(trident_driver);149