2 * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
3 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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.
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.
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
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/err.h>
25 #include <linux/platform_device.h>
26 #include <linux/slab.h>
27 #include <linux/ioport.h>
28 #include <linux/moduleparam.h>
29 #include <sound/core.h>
31 #include <sound/opl3.h>
32 #include <sound/initval.h>
34 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
35 MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
36 MODULE_LICENSE("GPL");
37 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
39 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
40 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
41 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
42 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
43 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
44 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */
46 module_param_array(index, int, NULL, 0444);
47 MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
48 module_param_array(id, charp, NULL, 0444);
49 MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
50 module_param_array(enable, bool, NULL, 0444);
51 MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
52 module_param_array(port, long, NULL, 0444);
53 MODULE_PARM_DESC(port, "Port # for SB8 driver.");
54 module_param_array(irq, int, NULL, 0444);
55 MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
56 module_param_array(dma8, int, NULL, 0444);
57 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
60 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
64 static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id, struct pt_regs *regs)
66 struct snd_sb *chip = dev_id;
68 if (chip->open & SB_OPEN_PCM) {
69 return snd_sb8dsp_interrupt(chip);
71 return snd_sb8dsp_midi_interrupt(chip);
75 static void snd_sb8_free(struct snd_card *card)
77 struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
81 release_and_free_resource(acard->fm_res);
84 static int __init snd_sb8_probe(struct platform_device *pdev)
88 struct snd_card *card;
89 struct snd_sb8 *acard;
90 struct snd_opl3 *opl3;
93 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
94 sizeof(struct snd_sb8));
97 acard = card->private_data;
98 card->private_free = snd_sb8_free;
100 /* block the 0x388 port to avoid PnP conflicts */
101 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
103 if (port[dev] != SNDRV_AUTO_PORT) {
104 if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
112 /* auto-probe legacy ports */
113 static unsigned long possible_ports[] = {
117 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
118 err = snd_sbdsp_create(card, possible_ports[i],
126 port[dev] = possible_ports[i];
130 if (i >= ARRAY_SIZE(possible_ports))
135 if (chip->hardware >= SB_HW_16) {
136 if (chip->hardware == SB_HW_ALS100)
137 snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
140 snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
146 if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
149 if ((err = snd_sbmixer_new(chip)) < 0)
152 if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
153 if ((err = snd_opl3_create(card, chip->port + 8, 0,
156 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
159 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
162 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
163 chip->port, chip->port + 2);
167 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
171 if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
174 strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
175 strcpy(card->shortname, chip->name);
176 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
179 irq[dev], dma8[dev]);
181 snd_card_set_dev(card, &pdev->dev);
183 if ((err = snd_card_register(card)) < 0)
186 platform_set_drvdata(pdev, card);
194 static int snd_sb8_remove(struct platform_device *pdev)
196 snd_card_free(platform_get_drvdata(pdev));
197 platform_set_drvdata(pdev, NULL);
202 static int snd_sb8_suspend(struct platform_device *dev, pm_message_t state)
204 struct snd_card *card = platform_get_drvdata(dev);
205 struct snd_sb8 *acard = card->private_data;
206 struct snd_sb *chip = acard->chip;
208 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
209 snd_pcm_suspend_all(chip->pcm);
210 snd_sbmixer_suspend(chip);
214 static int snd_sb8_resume(struct platform_device *dev)
216 struct snd_card *card = platform_get_drvdata(dev);
217 struct snd_sb8 *acard = card->private_data;
218 struct snd_sb *chip = acard->chip;
220 snd_sbdsp_reset(chip);
221 snd_sbmixer_resume(chip);
222 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
227 #define SND_SB8_DRIVER "snd_sb8"
229 static struct platform_driver snd_sb8_driver = {
230 .probe = snd_sb8_probe,
231 .remove = snd_sb8_remove,
233 .suspend = snd_sb8_suspend,
234 .resume = snd_sb8_resume,
237 .name = SND_SB8_DRIVER
241 static int __init alsa_card_sb8_init(void)
245 err = platform_driver_register(&snd_sb8_driver);
250 for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
251 struct platform_device *device;
252 device = platform_device_register_simple(SND_SB8_DRIVER,
254 if (IS_ERR(device)) {
255 err = PTR_ERR(device);
262 snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n");
270 platform_driver_unregister(&snd_sb8_driver);
274 static void __exit alsa_card_sb8_exit(void)
276 platform_driver_unregister(&snd_sb8_driver);
279 module_init(alsa_card_sb8_init)
280 module_exit(alsa_card_sb8_exit)