blob: 268ebd34703ec1fa821b5c31083b16e7bd6bb3a8 [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>
Takashi Iwai67be4452005-11-17 16:55:22 +010024#include <linux/err.h>
25#include <linux/platform_device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <linux/slab.h>
27#include <linux/ioport.h>
28#include <linux/moduleparam.h>
29#include <sound/core.h>
30#include <sound/sb.h>
31#include <sound/opl3.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include <sound/initval.h>
33
34MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
35MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
36MODULE_LICENSE("GPL");
37MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
38
39static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
40static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
41static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
42static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
43static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
44static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */
45
46module_param_array(index, int, NULL, 0444);
47MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
48module_param_array(id, charp, NULL, 0444);
49MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
50module_param_array(enable, bool, NULL, 0444);
51MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
52module_param_array(port, long, NULL, 0444);
53MODULE_PARM_DESC(port, "Port # for SB8 driver.");
54module_param_array(irq, int, NULL, 0444);
55MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
56module_param_array(dma8, int, NULL, 0444);
57MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
58
Clemens Ladischf7a92752005-12-07 09:13:42 +010059static struct platform_device *devices[SNDRV_CARDS];
60
Linus Torvalds1da177e2005-04-16 15:20:36 -070061struct snd_sb8 {
62 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
Takashi Iwai67be4452005-11-17 16:55:22 +010063 struct snd_sb *chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -070064};
65
David Howells7d12e782006-10-05 14:55:46 +010066static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -070067{
Takashi Iwai029d64b2005-11-17 14:34:36 +010068 struct snd_sb *chip = dev_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70 if (chip->open & SB_OPEN_PCM) {
71 return snd_sb8dsp_interrupt(chip);
72 } else {
73 return snd_sb8dsp_midi_interrupt(chip);
74 }
75}
76
Takashi Iwai029d64b2005-11-17 14:34:36 +010077static void snd_sb8_free(struct snd_card *card)
Linus Torvalds1da177e2005-04-16 15:20:36 -070078{
79 struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
80
81 if (acard == NULL)
82 return;
Takashi Iwaib1d57762005-10-10 11:56:31 +020083 release_and_free_resource(acard->fm_res);
Linus Torvalds1da177e2005-04-16 15:20:36 -070084}
85
Takashi Iwai67be4452005-11-17 16:55:22 +010086static int __init snd_sb8_probe(struct platform_device *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -070087{
Takashi Iwai67be4452005-11-17 16:55:22 +010088 int dev = pdev->id;
Takashi Iwai029d64b2005-11-17 14:34:36 +010089 struct snd_sb *chip;
90 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 struct snd_sb8 *acard;
Takashi Iwai029d64b2005-11-17 14:34:36 +010092 struct snd_opl3 *opl3;
Linus Torvalds1da177e2005-04-16 15:20:36 -070093 int err;
94
95 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
96 sizeof(struct snd_sb8));
97 if (card == NULL)
98 return -ENOMEM;
Takashi Iwai67be4452005-11-17 16:55:22 +010099 acard = card->private_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 card->private_free = snd_sb8_free;
101
102 /* block the 0x388 port to avoid PnP conflicts */
103 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
104
Takashi Iwai67be4452005-11-17 16:55:22 +0100105 if (port[dev] != SNDRV_AUTO_PORT) {
106 if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
107 snd_sb8_interrupt,
108 dma8[dev],
109 -1,
110 SB_HW_AUTO,
111 &chip)) < 0)
112 goto _err;
113 } else {
114 /* auto-probe legacy ports */
115 static unsigned long possible_ports[] = {
116 0x220, 0x240, 0x260,
117 };
118 int i;
119 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
120 err = snd_sbdsp_create(card, possible_ports[i],
121 irq[dev],
122 snd_sb8_interrupt,
123 dma8[dev],
124 -1,
125 SB_HW_AUTO,
126 &chip);
127 if (err >= 0) {
128 port[dev] = possible_ports[i];
129 break;
130 }
131 }
132 if (i >= ARRAY_SIZE(possible_ports))
133 goto _err;
134 }
135 acard->chip = chip;
136
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 if (chip->hardware >= SB_HW_16) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138 if (chip->hardware == SB_HW_ALS100)
Takashi Iwai43bcd972005-09-05 17:19:20 +0200139 snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 port[dev]);
141 else
Takashi Iwai43bcd972005-09-05 17:19:20 +0200142 snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
143 port[dev]);
144 err = -ENODEV;
145 goto _err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 }
147
Takashi Iwai43bcd972005-09-05 17:19:20 +0200148 if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
149 goto _err;
150
151 if ((err = snd_sbmixer_new(chip)) < 0)
152 goto _err;
153
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154 if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
155 if ((err = snd_opl3_create(card, chip->port + 8, 0,
156 OPL3_HW_AUTO, 1,
157 &opl3)) < 0) {
Takashi Iwai43bcd972005-09-05 17:19:20 +0200158 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159 }
160 } else {
161 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
162 OPL3_HW_AUTO, 1,
163 &opl3)) < 0) {
Takashi Iwai43bcd972005-09-05 17:19:20 +0200164 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 chip->port, chip->port + 2);
166 }
167 }
168 if (err >= 0) {
Takashi Iwai43bcd972005-09-05 17:19:20 +0200169 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
170 goto _err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171 }
172
Takashi Iwai43bcd972005-09-05 17:19:20 +0200173 if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
174 goto _err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175
176 strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
177 strcpy(card->shortname, chip->name);
178 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
179 chip->name,
180 chip->port,
181 irq[dev], dma8[dev]);
Takashi Iwai43bcd972005-09-05 17:19:20 +0200182
Takashi Iwai67be4452005-11-17 16:55:22 +0100183 snd_card_set_dev(card, &pdev->dev);
Takashi Iwai43bcd972005-09-05 17:19:20 +0200184
185 if ((err = snd_card_register(card)) < 0)
186 goto _err;
187
Takashi Iwai67be4452005-11-17 16:55:22 +0100188 platform_set_drvdata(pdev, card);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189 return 0;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200190
191 _err:
192 snd_card_free(card);
193 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194}
195
Takashi Iwai67be4452005-11-17 16:55:22 +0100196static int snd_sb8_remove(struct platform_device *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197{
Takashi Iwai67be4452005-11-17 16:55:22 +0100198 snd_card_free(platform_get_drvdata(pdev));
199 platform_set_drvdata(pdev, NULL);
200 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201}
202
Takashi Iwai67be4452005-11-17 16:55:22 +0100203#ifdef CONFIG_PM
204static int snd_sb8_suspend(struct platform_device *dev, pm_message_t state)
205{
206 struct snd_card *card = platform_get_drvdata(dev);
207 struct snd_sb8 *acard = card->private_data;
208 struct snd_sb *chip = acard->chip;
209
210 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
211 snd_pcm_suspend_all(chip->pcm);
212 snd_sbmixer_suspend(chip);
213 return 0;
214}
215
216static int snd_sb8_resume(struct platform_device *dev)
217{
218 struct snd_card *card = platform_get_drvdata(dev);
219 struct snd_sb8 *acard = card->private_data;
220 struct snd_sb *chip = acard->chip;
221
222 snd_sbdsp_reset(chip);
223 snd_sbmixer_resume(chip);
224 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
225 return 0;
226}
227#endif
228
229#define SND_SB8_DRIVER "snd_sb8"
230
231static struct platform_driver snd_sb8_driver = {
232 .probe = snd_sb8_probe,
233 .remove = snd_sb8_remove,
234#ifdef CONFIG_PM
235 .suspend = snd_sb8_suspend,
236 .resume = snd_sb8_resume,
237#endif
238 .driver = {
239 .name = SND_SB8_DRIVER
240 },
241};
242
Clemens Ladischf7a92752005-12-07 09:13:42 +0100243static void __init_or_module snd_sb8_unregister_all(void)
244{
245 int i;
246
247 for (i = 0; i < ARRAY_SIZE(devices); ++i)
248 platform_device_unregister(devices[i]);
249 platform_driver_unregister(&snd_sb8_driver);
250}
251
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252static int __init alsa_card_sb8_init(void)
253{
Takashi Iwai67be4452005-11-17 16:55:22 +0100254 int i, cards, err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255
Takashi Iwai67be4452005-11-17 16:55:22 +0100256 err = platform_driver_register(&snd_sb8_driver);
257 if (err < 0)
258 return err;
259
260 cards = 0;
Takashi Iwai8278ca82006-02-20 11:57:34 +0100261 for (i = 0; i < SNDRV_CARDS; i++) {
Takashi Iwai67be4452005-11-17 16:55:22 +0100262 struct platform_device *device;
Takashi Iwai8278ca82006-02-20 11:57:34 +0100263 if (! enable[i])
264 continue;
Takashi Iwai67be4452005-11-17 16:55:22 +0100265 device = platform_device_register_simple(SND_SB8_DRIVER,
266 i, NULL, 0);
Rene Hermand0ac6422006-04-11 14:08:33 +0200267 if (IS_ERR(device))
268 continue;
Rene Hermandcccdd92006-04-11 14:09:37 +0200269 if (!platform_get_drvdata(device)) {
270 platform_device_unregister(device);
271 continue;
272 }
Clemens Ladischf7a92752005-12-07 09:13:42 +0100273 devices[i] = device;
Takashi Iwai67be4452005-11-17 16:55:22 +0100274 cards++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276 if (!cards) {
277#ifdef MODULE
278 snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n");
279#endif
Rene Hermand0ac6422006-04-11 14:08:33 +0200280 snd_sb8_unregister_all();
281 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282 }
283 return 0;
284}
285
286static void __exit alsa_card_sb8_exit(void)
287{
Clemens Ladischf7a92752005-12-07 09:13:42 +0100288 snd_sb8_unregister_all();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289}
290
291module_init(alsa_card_sb8_init)
292module_exit(alsa_card_sb8_exit)