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	strscpy(card->driver, str);
 92	if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
 93		strscpy(card->shortname, "SiS ");
 94	} else {
 95		strscpy(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);