Linux-libre 5.4.49-gnu
[librecmc/linux-libre.git] / sound / pci / trident / 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
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);