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 <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/err.h>
25 #include <linux/isa.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@perex.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
)
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 __devinit
snd_sb8_match(struct device
*pdev
, unsigned int dev
)
88 if (irq
[dev
] == SNDRV_AUTO_IRQ
) {
89 snd_printk(KERN_ERR
"%s: please specify irq\n", pdev
->bus_id
);
92 if (dma8
[dev
] == SNDRV_AUTO_DMA
) {
93 snd_printk(KERN_ERR
"%s: please specify dma8\n", pdev
->bus_id
);
99 static int __devinit
snd_sb8_probe(struct device
*pdev
, unsigned int dev
)
102 struct snd_card
*card
;
103 struct snd_sb8
*acard
;
104 struct snd_opl3
*opl3
;
107 card
= snd_card_new(index
[dev
], id
[dev
], THIS_MODULE
,
108 sizeof(struct snd_sb8
));
111 acard
= card
->private_data
;
112 card
->private_free
= snd_sb8_free
;
114 /* block the 0x388 port to avoid PnP conflicts */
115 acard
->fm_res
= request_region(0x388, 4, "SoundBlaster FM");
117 if (port
[dev
] != SNDRV_AUTO_PORT
) {
118 if ((err
= snd_sbdsp_create(card
, port
[dev
], irq
[dev
],
126 /* auto-probe legacy ports */
127 static unsigned long possible_ports
[] = {
131 for (i
= 0; i
< ARRAY_SIZE(possible_ports
); i
++) {
132 err
= snd_sbdsp_create(card
, possible_ports
[i
],
140 port
[dev
] = possible_ports
[i
];
144 if (i
>= ARRAY_SIZE(possible_ports
))
149 if (chip
->hardware
>= SB_HW_16
) {
150 if (chip
->hardware
== SB_HW_ALS100
)
151 snd_printk(KERN_WARNING
"ALS100 chip detected at 0x%lx, try snd-als100 module\n",
154 snd_printk(KERN_WARNING
"SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
160 if ((err
= snd_sb8dsp_pcm(chip
, 0, NULL
)) < 0)
163 if ((err
= snd_sbmixer_new(chip
)) < 0)
166 if (chip
->hardware
== SB_HW_10
|| chip
->hardware
== SB_HW_20
) {
167 if ((err
= snd_opl3_create(card
, chip
->port
+ 8, 0,
170 snd_printk(KERN_WARNING
"sb8: no OPL device at 0x%lx\n", chip
->port
+ 8);
173 if ((err
= snd_opl3_create(card
, chip
->port
, chip
->port
+ 2,
176 snd_printk(KERN_WARNING
"sb8: no OPL device at 0x%lx-0x%lx\n",
177 chip
->port
, chip
->port
+ 2);
181 if ((err
= snd_opl3_hwdep_new(opl3
, 0, 1, NULL
)) < 0)
185 if ((err
= snd_sb8dsp_midi(chip
, 0, NULL
)) < 0)
188 strcpy(card
->driver
, chip
->hardware
== SB_HW_PRO
? "SB Pro" : "SB8");
189 strcpy(card
->shortname
, chip
->name
);
190 sprintf(card
->longname
, "%s at 0x%lx, irq %d, dma %d",
193 irq
[dev
], dma8
[dev
]);
195 snd_card_set_dev(card
, pdev
);
197 if ((err
= snd_card_register(card
)) < 0)
200 dev_set_drvdata(pdev
, card
);
208 static int __devexit
snd_sb8_remove(struct device
*pdev
, unsigned int dev
)
210 snd_card_free(dev_get_drvdata(pdev
));
211 dev_set_drvdata(pdev
, NULL
);
216 static int snd_sb8_suspend(struct device
*dev
, unsigned int n
,
219 struct snd_card
*card
= dev_get_drvdata(dev
);
220 struct snd_sb8
*acard
= card
->private_data
;
221 struct snd_sb
*chip
= acard
->chip
;
223 snd_power_change_state(card
, SNDRV_CTL_POWER_D3hot
);
224 snd_pcm_suspend_all(chip
->pcm
);
225 snd_sbmixer_suspend(chip
);
229 static int snd_sb8_resume(struct device
*dev
, unsigned int n
)
231 struct snd_card
*card
= dev_get_drvdata(dev
);
232 struct snd_sb8
*acard
= card
->private_data
;
233 struct snd_sb
*chip
= acard
->chip
;
235 snd_sbdsp_reset(chip
);
236 snd_sbmixer_resume(chip
);
237 snd_power_change_state(card
, SNDRV_CTL_POWER_D0
);
242 #define DEV_NAME "sb8"
244 static struct isa_driver snd_sb8_driver
= {
245 .match
= snd_sb8_match
,
246 .probe
= snd_sb8_probe
,
247 .remove
= __devexit_p(snd_sb8_remove
),
249 .suspend
= snd_sb8_suspend
,
250 .resume
= snd_sb8_resume
,
257 static int __init
alsa_card_sb8_init(void)
259 return isa_register_driver(&snd_sb8_driver
, SNDRV_CARDS
);
262 static void __exit
alsa_card_sb8_exit(void)
264 isa_unregister_driver(&snd_sb8_driver
);
267 module_init(alsa_card_sb8_init
)
268 module_exit(alsa_card_sb8_exit
)