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(parent: &pci->dev, idx: index[dev], xid: id[dev], THIS_MODULE,
66 extra_size: sizeof(*trident), card_ret: &card);
67 if (err < 0)
68 return err;
69 trident = card->private_data;
70
71 err = snd_trident_create(card, pci,
72 pcm_streams: pcm_channels[dev],
73 pcm_spdif_device: ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
74 max_wavetable_size: 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(p: card->shortname, q: str);
98 sprintf(buf: card->longname, fmt: "%s PCI Audio at 0x%lx, irq %d",
99 card->shortname, trident->port, trident->irq);
100
101 err = snd_trident_pcm(trident, device: 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, device: 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, device: 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, device: 0, MPU401_HW_TRID4DWAVE,
119 port: trident->midi_port,
120 MPU401_INFO_INTEGRATED |
121 MPU401_INFO_IRQ_HOOK,
122 irq: -1, rrawmidi: &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(pdev: pci, data: 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

source code of linux/sound/pci/trident/trident.c