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
17 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, <audio@tridentmicro.com>");
18 MODULE_DESCRIPTION("Trident 4D-WaveDX/NX & SiS SI7018");
19 MODULE_LICENSE("GPL");
20
21 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
22 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
23 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
24 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32};
25 static int wavetable_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8192};
26
27 module_param_array(index, int, NULL, 0444);
28 MODULE_PARM_DESC(index, "Index value for Trident 4DWave PCI soundcard.");
29 module_param_array(id, charp, NULL, 0444);
30 MODULE_PARM_DESC(id, "ID string for Trident 4DWave PCI soundcard.");
31 module_param_array(enable, bool, NULL, 0444);
32 MODULE_PARM_DESC(enable, "Enable Trident 4DWave PCI soundcard.");
33 module_param_array(pcm_channels, int, NULL, 0444);
34 MODULE_PARM_DESC(pcm_channels, "Number of hardware channels assigned for PCM.");
35 module_param_array(wavetable_size, int, NULL, 0444);
36 MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth.");
37
38 static 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
47 MODULE_DEVICE_TABLE(pci, snd_trident_ids);
48
snd_trident_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)49 static 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_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
66 0, &card);
67 if (err < 0)
68 return err;
69
70 if ((err = snd_trident_create(card, pci,
71 pcm_channels[dev],
72 ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
73 wavetable_size[dev],
74 &trident)) < 0) {
75 snd_card_free(card);
76 return err;
77 }
78 card->private_data = trident;
79
80 switch (trident->device) {
81 case TRIDENT_DEVICE_ID_DX:
82 str = "TRID4DWAVEDX";
83 break;
84 case TRIDENT_DEVICE_ID_NX:
85 str = "TRID4DWAVENX";
86 break;
87 case TRIDENT_DEVICE_ID_SI7018:
88 str = "SI7018";
89 break;
90 default:
91 str = "Unknown";
92 }
93 strcpy(card->driver, str);
94 if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
95 strcpy(card->shortname, "SiS ");
96 } else {
97 strcpy(card->shortname, "Trident ");
98 }
99 strcat(card->shortname, str);
100 sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
101 card->shortname, trident->port, trident->irq);
102
103 if ((err = snd_trident_pcm(trident, pcm_dev++)) < 0) {
104 snd_card_free(card);
105 return err;
106 }
107 switch (trident->device) {
108 case TRIDENT_DEVICE_ID_DX:
109 case TRIDENT_DEVICE_ID_NX:
110 if ((err = snd_trident_foldback_pcm(trident, pcm_dev++)) < 0) {
111 snd_card_free(card);
112 return err;
113 }
114 break;
115 }
116 if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
117 if ((err = snd_trident_spdif_pcm(trident, pcm_dev++)) < 0) {
118 snd_card_free(card);
119 return err;
120 }
121 }
122 if (trident->device != TRIDENT_DEVICE_ID_SI7018 &&
123 (err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE,
124 trident->midi_port,
125 MPU401_INFO_INTEGRATED |
126 MPU401_INFO_IRQ_HOOK,
127 -1, &trident->rmidi)) < 0) {
128 snd_card_free(card);
129 return err;
130 }
131
132 snd_trident_create_gameport(trident);
133
134 if ((err = snd_card_register(card)) < 0) {
135 snd_card_free(card);
136 return err;
137 }
138 pci_set_drvdata(pci, card);
139 dev++;
140 return 0;
141 }
142
snd_trident_remove(struct pci_dev * pci)143 static void snd_trident_remove(struct pci_dev *pci)
144 {
145 snd_card_free(pci_get_drvdata(pci));
146 }
147
148 static struct pci_driver trident_driver = {
149 .name = KBUILD_MODNAME,
150 .id_table = snd_trident_ids,
151 .probe = snd_trident_probe,
152 .remove = snd_trident_remove,
153 #ifdef CONFIG_PM_SLEEP
154 .driver = {
155 .pm = &snd_trident_pm,
156 },
157 #endif
158 };
159
160 module_pci_driver(trident_driver);
161