source: GPL/branches/uniaud32-2.0/alsa-kernel/isa/sb/sb8.c@ 410

Last change on this file since 410 was 410, checked in by Paul Smedley, 16 years ago

Update ALSA core to 1.0.19 level
File size: 7.1 KB
Line 
1/*
2 * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
3 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/init.h>
23#include <linux/err.h>
24#include <linux/isa.h>
25#include <linux/slab.h>
26#include <linux/ioport.h>
27#include <linux/moduleparam.h>
28#include <sound/core.h>
29#include <sound/sb.h>
30#include <sound/opl3.h>
31#include <sound/initval.h>
32
33MODULE_AUTHOR("Jaroslav Kysela <perex@perex.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 struct snd_sb *chip;
61};
62
63static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
64{
65 struct snd_sb *chip = dev_id;
66
67 if (chip->open & SB_OPEN_PCM) {
68 return snd_sb8dsp_interrupt(chip);
69 } else {
70 return snd_sb8dsp_midi_interrupt(chip);
71 }
72}
73
74static void snd_sb8_free(struct snd_card *card)
75{
76 struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
77
78 if (acard == NULL)
79 return;
80 release_and_free_resource(acard->fm_res);
81}
82
83static int __devinit snd_sb8_match(struct device *pdev, unsigned int dev)
84{
85 if (!enable[dev])
86 return 0;
87 if (irq[dev] == SNDRV_AUTO_IRQ) {
88 dev_err(pdev, "please specify irq\n");
89 return 0;
90 }
91 if (dma8[dev] == SNDRV_AUTO_DMA) {
92 dev_err(pdev, "please specify dma8\n");
93 return 0;
94 }
95 return 1;
96}
97
98static int __devinit snd_sb8_probe(struct device *pdev, unsigned int dev)
99{
100 struct snd_sb *chip;
101 struct snd_card *card;
102 struct snd_sb8 *acard;
103 struct snd_opl3 *opl3;
104 int err;
105
106 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
107 sizeof(struct snd_sb8), &card);
108 if (err < 0)
109 return err;
110 acard = card->private_data;
111 card->private_free = snd_sb8_free;
112
113 /* block the 0x388 port to avoid PnP conflicts */
114 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
115
116 if (port[dev] != SNDRV_AUTO_PORT) {
117 if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
118 snd_sb8_interrupt,
119 dma8[dev],
120 -1,
121 SB_HW_AUTO,
122 &chip)) < 0)
123 goto _err;
124 } else {
125 /* auto-probe legacy ports */
126 static unsigned long possible_ports[] = {
127 0x220, 0x240, 0x260,
128 };
129 int i;
130 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
131 err = snd_sbdsp_create(card, possible_ports[i],
132 irq[dev],
133 snd_sb8_interrupt,
134 dma8[dev],
135 -1,
136 SB_HW_AUTO,
137 &chip);
138 if (err >= 0) {
139 port[dev] = possible_ports[i];
140 break;
141 }
142 }
143 if (i >= ARRAY_SIZE(possible_ports)) {
144 err = -EINVAL;
145 goto _err;
146 }
147 }
148 acard->chip = chip;
149
150 if (chip->hardware >= SB_HW_16) {
151 if (chip->hardware == SB_HW_ALS100)
152 snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
153 port[dev]);
154 else
155 snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
156 port[dev]);
157 err = -ENODEV;
158 goto _err;
159 }
160
161 if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
162 goto _err;
163
164 if ((err = snd_sbmixer_new(chip)) < 0)
165 goto _err;
166
167 if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
168 if ((err = snd_opl3_create(card, chip->port + 8, 0,
169 OPL3_HW_AUTO, 1,
170 &opl3)) < 0) {
171 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
172 }
173 } else {
174 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
175 OPL3_HW_AUTO, 1,
176 &opl3)) < 0) {
177 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
178 chip->port, chip->port + 2);
179 }
180 }
181 if (err >= 0) {
182 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
183 goto _err;
184 }
185
186 if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
187 goto _err;
188
189 strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
190 strcpy(card->shortname, chip->name);
191 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
192 chip->name,
193 chip->port,
194 irq[dev], dma8[dev]);
195
196 snd_card_set_dev(card, pdev);
197
198 if ((err = snd_card_register(card)) < 0)
199 goto _err;
200
201 dev_set_drvdata(pdev, card);
202 return 0;
203
204 _err:
205 snd_card_free(card);
206 return err;
207}
208
209static int __devexit snd_sb8_remove(struct device *pdev, unsigned int dev)
210{
211 snd_card_free(dev_get_drvdata(pdev));
212 dev_set_drvdata(pdev, NULL);
213 return 0;
214}
215
216#ifdef CONFIG_PM
217static int snd_sb8_suspend(struct device *dev, unsigned int n,
218 pm_message_t state)
219{
220 struct snd_card *card = dev_get_drvdata(dev);
221 struct snd_sb8 *acard = card->private_data;
222 struct snd_sb *chip = acard->chip;
223
224 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
225 snd_pcm_suspend_all(chip->pcm);
226 snd_sbmixer_suspend(chip);
227 return 0;
228}
229
230static int snd_sb8_resume(struct device *dev, unsigned int n)
231{
232 struct snd_card *card = dev_get_drvdata(dev);
233 struct snd_sb8 *acard = card->private_data;
234 struct snd_sb *chip = acard->chip;
235
236 snd_sbdsp_reset(chip);
237 snd_sbmixer_resume(chip);
238 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
239 return 0;
240}
241#endif
242
243#define DEV_NAME "sb8"
244
245static struct isa_driver snd_sb8_driver = {
246 .match = snd_sb8_match,
247 .probe = snd_sb8_probe,
248 .remove = __devexit_p(snd_sb8_remove),
249#ifdef CONFIG_PM
250 .suspend = snd_sb8_suspend,
251 .resume = snd_sb8_resume,
252#endif
253 .driver = {
254 .name = DEV_NAME
255 },
256};
257
258static int __init alsa_card_sb8_init(void)
259{
260 return isa_register_driver(&snd_sb8_driver, SNDRV_CARDS);
261}
262
263static void __exit alsa_card_sb8_exit(void)
264{
265 isa_unregister_driver(&snd_sb8_driver);
266}
267
268module_init(alsa_card_sb8_init)
269module_exit(alsa_card_sb8_exit)
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