ia64/kvm: compilation fix. export account_system_vtime.
[pv_ops_mirror.git] / sound / isa / sb / sb8.c
blob336a34277907f0ec74b30816187eb3d14c7909d3
1 /*
2 * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
3 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <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>
33 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
34 MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
35 MODULE_LICENSE("GPL");
36 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
38 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
39 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
40 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
41 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
42 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
43 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */
45 module_param_array(index, int, NULL, 0444);
46 MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
47 module_param_array(id, charp, NULL, 0444);
48 MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
49 module_param_array(enable, bool, NULL, 0444);
50 MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
51 module_param_array(port, long, NULL, 0444);
52 MODULE_PARM_DESC(port, "Port # for SB8 driver.");
53 module_param_array(irq, int, NULL, 0444);
54 MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
55 module_param_array(dma8, int, NULL, 0444);
56 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
58 struct snd_sb8 {
59 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
60 struct snd_sb *chip;
63 static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
65 struct snd_sb *chip = dev_id;
67 if (chip->open & SB_OPEN_PCM) {
68 return snd_sb8dsp_interrupt(chip);
69 } else {
70 return snd_sb8dsp_midi_interrupt(chip);
74 static void snd_sb8_free(struct snd_card *card)
76 struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
78 if (acard == NULL)
79 return;
80 release_and_free_resource(acard->fm_res);
83 static int __devinit snd_sb8_match(struct device *pdev, unsigned int dev)
85 if (!enable[dev])
86 return 0;
87 if (irq[dev] == SNDRV_AUTO_IRQ) {
88 snd_printk(KERN_ERR "%s: please specify irq\n", pdev->bus_id);
89 return 0;
91 if (dma8[dev] == SNDRV_AUTO_DMA) {
92 snd_printk(KERN_ERR "%s: please specify dma8\n", pdev->bus_id);
93 return 0;
95 return 1;
98 static int __devinit snd_sb8_probe(struct device *pdev, unsigned int dev)
100 struct snd_sb *chip;
101 struct snd_card *card;
102 struct snd_sb8 *acard;
103 struct snd_opl3 *opl3;
104 int err;
106 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
107 sizeof(struct snd_sb8));
108 if (card == NULL)
109 return -ENOMEM;
110 acard = card->private_data;
111 card->private_free = snd_sb8_free;
113 /* block the 0x388 port to avoid PnP conflicts */
114 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
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],
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,
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],
136 SB_HW_AUTO,
137 &chip);
138 if (err >= 0) {
139 port[dev] = possible_ports[i];
140 break;
143 if (i >= ARRAY_SIZE(possible_ports))
144 goto _err;
146 acard->chip = chip;
148 if (chip->hardware >= SB_HW_16) {
149 if (chip->hardware == SB_HW_ALS100)
150 snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
151 port[dev]);
152 else
153 snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
154 port[dev]);
155 err = -ENODEV;
156 goto _err;
159 if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
160 goto _err;
162 if ((err = snd_sbmixer_new(chip)) < 0)
163 goto _err;
165 if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
166 if ((err = snd_opl3_create(card, chip->port + 8, 0,
167 OPL3_HW_AUTO, 1,
168 &opl3)) < 0) {
169 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
171 } else {
172 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
173 OPL3_HW_AUTO, 1,
174 &opl3)) < 0) {
175 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
176 chip->port, chip->port + 2);
179 if (err >= 0) {
180 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
181 goto _err;
184 if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
185 goto _err;
187 strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
188 strcpy(card->shortname, chip->name);
189 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
190 chip->name,
191 chip->port,
192 irq[dev], dma8[dev]);
194 snd_card_set_dev(card, pdev);
196 if ((err = snd_card_register(card)) < 0)
197 goto _err;
199 dev_set_drvdata(pdev, card);
200 return 0;
202 _err:
203 snd_card_free(card);
204 return err;
207 static int __devexit snd_sb8_remove(struct device *pdev, unsigned int dev)
209 snd_card_free(dev_get_drvdata(pdev));
210 dev_set_drvdata(pdev, NULL);
211 return 0;
214 #ifdef CONFIG_PM
215 static int snd_sb8_suspend(struct device *dev, unsigned int n,
216 pm_message_t state)
218 struct snd_card *card = dev_get_drvdata(dev);
219 struct snd_sb8 *acard = card->private_data;
220 struct snd_sb *chip = acard->chip;
222 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
223 snd_pcm_suspend_all(chip->pcm);
224 snd_sbmixer_suspend(chip);
225 return 0;
228 static int snd_sb8_resume(struct device *dev, unsigned int n)
230 struct snd_card *card = dev_get_drvdata(dev);
231 struct snd_sb8 *acard = card->private_data;
232 struct snd_sb *chip = acard->chip;
234 snd_sbdsp_reset(chip);
235 snd_sbmixer_resume(chip);
236 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
237 return 0;
239 #endif
241 #define DEV_NAME "sb8"
243 static struct isa_driver snd_sb8_driver = {
244 .match = snd_sb8_match,
245 .probe = snd_sb8_probe,
246 .remove = __devexit_p(snd_sb8_remove),
247 #ifdef CONFIG_PM
248 .suspend = snd_sb8_suspend,
249 .resume = snd_sb8_resume,
250 #endif
251 .driver = {
252 .name = DEV_NAME
256 static int __init alsa_card_sb8_init(void)
258 return isa_register_driver(&snd_sb8_driver, SNDRV_CARDS);
261 static void __exit alsa_card_sb8_exit(void)
263 isa_unregister_driver(&snd_sb8_driver);
266 module_init(alsa_card_sb8_init)
267 module_exit(alsa_card_sb8_exit)