xref: /openbmc/linux/sound/pci/trident/trident.c (revision d9fd5a71)
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 MODULE_SUPPORTED_DEVICE("{{Trident,4DWave DX},"
21 		"{Trident,4DWave NX},"
22 		"{SiS,SI7018 PCI Audio},"
23 		"{Best Union,Miss Melody 4DWave PCI},"
24 		"{HIS,4DWave PCI},"
25 		"{Warpspeed,ONSpeed 4DWave PCI},"
26 		"{Aztech Systems,PCI 64-Q3D},"
27 		"{Addonics,SV 750},"
28 		"{CHIC,True Sound 4Dwave},"
29 		"{Shark,Predator4D-PCI},"
30 		"{Jaton,SonicWave 4D},"
31 		"{Hoontech,SoundTrack Digital 4DWave NX}}");
32 
33 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
34 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
35 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
36 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32};
37 static int wavetable_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8192};
38 
39 module_param_array(index, int, NULL, 0444);
40 MODULE_PARM_DESC(index, "Index value for Trident 4DWave PCI soundcard.");
41 module_param_array(id, charp, NULL, 0444);
42 MODULE_PARM_DESC(id, "ID string for Trident 4DWave PCI soundcard.");
43 module_param_array(enable, bool, NULL, 0444);
44 MODULE_PARM_DESC(enable, "Enable Trident 4DWave PCI soundcard.");
45 module_param_array(pcm_channels, int, NULL, 0444);
46 MODULE_PARM_DESC(pcm_channels, "Number of hardware channels assigned for PCM.");
47 module_param_array(wavetable_size, int, NULL, 0444);
48 MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth.");
49 
50 static const struct pci_device_id snd_trident_ids[] = {
51 	{PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX),
52 		PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
53 	{PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX),
54 		0, 0, 0},
55 	{PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018), 0, 0, 0},
56 	{ 0, }
57 };
58 
59 MODULE_DEVICE_TABLE(pci, snd_trident_ids);
60 
61 static int snd_trident_probe(struct pci_dev *pci,
62 			     const struct pci_device_id *pci_id)
63 {
64 	static int dev;
65 	struct snd_card *card;
66 	struct snd_trident *trident;
67 	const char *str;
68 	int err, pcm_dev = 0;
69 
70 	if (dev >= SNDRV_CARDS)
71 		return -ENODEV;
72 	if (!enable[dev]) {
73 		dev++;
74 		return -ENOENT;
75 	}
76 
77 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
78 			   0, &card);
79 	if (err < 0)
80 		return err;
81 
82 	if ((err = snd_trident_create(card, pci,
83 				      pcm_channels[dev],
84 				      ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
85 				      wavetable_size[dev],
86 				      &trident)) < 0) {
87 		snd_card_free(card);
88 		return err;
89 	}
90 	card->private_data = trident;
91 
92 	switch (trident->device) {
93 	case TRIDENT_DEVICE_ID_DX:
94 		str = "TRID4DWAVEDX";
95 		break;
96 	case TRIDENT_DEVICE_ID_NX:
97 		str = "TRID4DWAVENX";
98 		break;
99 	case TRIDENT_DEVICE_ID_SI7018:
100 		str = "SI7018";
101 		break;
102 	default:
103 		str = "Unknown";
104 	}
105 	strcpy(card->driver, str);
106 	if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
107 		strcpy(card->shortname, "SiS ");
108 	} else {
109 		strcpy(card->shortname, "Trident ");
110 	}
111 	strcat(card->shortname, str);
112 	sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
113 		card->shortname, trident->port, trident->irq);
114 
115 	if ((err = snd_trident_pcm(trident, pcm_dev++)) < 0) {
116 		snd_card_free(card);
117 		return err;
118 	}
119 	switch (trident->device) {
120 	case TRIDENT_DEVICE_ID_DX:
121 	case TRIDENT_DEVICE_ID_NX:
122 		if ((err = snd_trident_foldback_pcm(trident, pcm_dev++)) < 0) {
123 			snd_card_free(card);
124 			return err;
125 		}
126 		break;
127 	}
128 	if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
129 		if ((err = snd_trident_spdif_pcm(trident, pcm_dev++)) < 0) {
130 			snd_card_free(card);
131 			return err;
132 		}
133 	}
134 	if (trident->device != TRIDENT_DEVICE_ID_SI7018 &&
135 	    (err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE,
136 				       trident->midi_port,
137 				       MPU401_INFO_INTEGRATED |
138 				       MPU401_INFO_IRQ_HOOK,
139 				       -1, &trident->rmidi)) < 0) {
140 		snd_card_free(card);
141 		return err;
142 	}
143 
144 	snd_trident_create_gameport(trident);
145 
146 	if ((err = snd_card_register(card)) < 0) {
147 		snd_card_free(card);
148 		return err;
149 	}
150 	pci_set_drvdata(pci, card);
151 	dev++;
152 	return 0;
153 }
154 
155 static void snd_trident_remove(struct pci_dev *pci)
156 {
157 	snd_card_free(pci_get_drvdata(pci));
158 }
159 
160 static struct pci_driver trident_driver = {
161 	.name = KBUILD_MODNAME,
162 	.id_table = snd_trident_ids,
163 	.probe = snd_trident_probe,
164 	.remove = snd_trident_remove,
165 #ifdef CONFIG_PM_SLEEP
166 	.driver = {
167 		.pm = &snd_trident_pm,
168 	},
169 #endif
170 };
171 
172 module_pci_driver(trident_driver);
173