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