blob: 5116038fcb4a96fd4cb771a2db62e005f14d1f11 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
3 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
4 *
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#include <sound/driver.h>
23#include <linux/init.h>
24#include <linux/slab.h>
25#include <linux/ioport.h>
26#include <linux/moduleparam.h>
27#include <sound/core.h>
28#include <sound/sb.h>
29#include <sound/opl3.h>
30#define SNDRV_LEGACY_AUTO_PROBE
31#include <sound/initval.h>
32
33MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
34MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
35MODULE_LICENSE("GPL");
36MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
37
38static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
39static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
40static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
41static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
42static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
43static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */
44
45module_param_array(index, int, NULL, 0444);
46MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
47module_param_array(id, charp, NULL, 0444);
48MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
49module_param_array(enable, bool, NULL, 0444);
50MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
51module_param_array(port, long, NULL, 0444);
52MODULE_PARM_DESC(port, "Port # for SB8 driver.");
53module_param_array(irq, int, NULL, 0444);
54MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
55module_param_array(dma8, int, NULL, 0444);
56MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
57
58struct snd_sb8 {
59 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
60};
61
Takashi Iwai029d64b2005-11-17 14:34:36 +010062static struct snd_card *snd_sb8_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
Linus Torvalds1da177e2005-04-16 15:20:36 -070063
64static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id, struct pt_regs *regs)
65{
Takashi Iwai029d64b2005-11-17 14:34:36 +010066 struct snd_sb *chip = dev_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
68 if (chip->open & SB_OPEN_PCM) {
69 return snd_sb8dsp_interrupt(chip);
70 } else {
71 return snd_sb8dsp_midi_interrupt(chip);
72 }
73}
74
Takashi Iwai029d64b2005-11-17 14:34:36 +010075static void snd_sb8_free(struct snd_card *card)
Linus Torvalds1da177e2005-04-16 15:20:36 -070076{
77 struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
78
79 if (acard == NULL)
80 return;
Takashi Iwaib1d57762005-10-10 11:56:31 +020081 release_and_free_resource(acard->fm_res);
Linus Torvalds1da177e2005-04-16 15:20:36 -070082}
83
84static int __init snd_sb8_probe(int dev)
85{
Takashi Iwai029d64b2005-11-17 14:34:36 +010086 struct snd_sb *chip;
87 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 struct snd_sb8 *acard;
Takashi Iwai029d64b2005-11-17 14:34:36 +010089 struct snd_opl3 *opl3;
Linus Torvalds1da177e2005-04-16 15:20:36 -070090 int err;
91
92 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
93 sizeof(struct snd_sb8));
94 if (card == NULL)
95 return -ENOMEM;
96 acard = (struct snd_sb8 *)card->private_data;
97 card->private_free = snd_sb8_free;
98
99 /* block the 0x388 port to avoid PnP conflicts */
100 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
101
102 if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
103 snd_sb8_interrupt,
104 dma8[dev],
105 -1,
106 SB_HW_AUTO,
Takashi Iwai43bcd972005-09-05 17:19:20 +0200107 &chip)) < 0)
108 goto _err;
109
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 if (chip->hardware >= SB_HW_16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 if (chip->hardware == SB_HW_ALS100)
Takashi Iwai43bcd972005-09-05 17:19:20 +0200112 snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 port[dev]);
114 else
Takashi Iwai43bcd972005-09-05 17:19:20 +0200115 snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
116 port[dev]);
117 err = -ENODEV;
118 goto _err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119 }
120
Takashi Iwai43bcd972005-09-05 17:19:20 +0200121 if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
122 goto _err;
123
124 if ((err = snd_sbmixer_new(chip)) < 0)
125 goto _err;
126
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
128 if ((err = snd_opl3_create(card, chip->port + 8, 0,
129 OPL3_HW_AUTO, 1,
130 &opl3)) < 0) {
Takashi Iwai43bcd972005-09-05 17:19:20 +0200131 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132 }
133 } else {
134 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
135 OPL3_HW_AUTO, 1,
136 &opl3)) < 0) {
Takashi Iwai43bcd972005-09-05 17:19:20 +0200137 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138 chip->port, chip->port + 2);
139 }
140 }
141 if (err >= 0) {
Takashi Iwai43bcd972005-09-05 17:19:20 +0200142 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
143 goto _err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 }
145
Takashi Iwai43bcd972005-09-05 17:19:20 +0200146 if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
147 goto _err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148
149 strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
150 strcpy(card->shortname, chip->name);
151 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
152 chip->name,
153 chip->port,
154 irq[dev], dma8[dev]);
Takashi Iwai43bcd972005-09-05 17:19:20 +0200155
156 if ((err = snd_card_set_generic_dev(card)) < 0)
157 goto _err;
158
159 if ((err = snd_card_register(card)) < 0)
160 goto _err;
161
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 snd_sb8_cards[dev] = card;
163 return 0;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200164
165 _err:
166 snd_card_free(card);
167 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168}
169
170static int __init snd_card_sb8_legacy_auto_probe(unsigned long xport)
171{
172 static int dev;
173 int res;
174
175 for ( ; dev < SNDRV_CARDS; dev++) {
176 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
177 continue;
178 port[dev] = xport;
179 res = snd_sb8_probe(dev);
180 if (res < 0)
181 port[dev] = SNDRV_AUTO_PORT;
182 return res;
183 }
184 return -ENODEV;
185}
186
187static int __init alsa_card_sb8_init(void)
188{
189 static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1};
190 int dev, cards, i;
191
192 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
193 if (port[dev] == SNDRV_AUTO_PORT)
194 continue;
195 if (snd_sb8_probe(dev) >= 0)
196 cards++;
197 }
198 i = snd_legacy_auto_probe(possible_ports, snd_card_sb8_legacy_auto_probe);
199 if (i > 0)
200 cards += i;
201
202 if (!cards) {
203#ifdef MODULE
204 snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n");
205#endif
206 return -ENODEV;
207 }
208 return 0;
209}
210
211static void __exit alsa_card_sb8_exit(void)
212{
213 int idx;
214
215 for (idx = 0; idx < SNDRV_CARDS; idx++)
216 snd_card_free(snd_sb8_cards[idx]);
217}
218
219module_init(alsa_card_sb8_init)
220module_exit(alsa_card_sb8_exit)