?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
[TG3]: Set minimal hw interrupt mitigation.
[linux-2.6/verdex.git] / sound / oss / soundcard.c
blobde91c90a0112133d8161a3e537edbac12dbdd4ab
1 /*
2 * linux/drivers/sound/soundcard.c
3 *
4 * Sound card driver for Linux
5 *
6 *
7 * Copyright (C) by Hannu Savolainen 1993-1997
8 *
9 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
10 * Version 2 (June 1991). See the "COPYING" file distributed with this software
11 * for more info.
12 *
13 *
14 * Thomas Sailer : ioctl code reworked (vmalloc/vfree removed)
15 * integrated sound_switch.c
16 * Stefan Reinauer : integrated /proc/sound (equals to /dev/sndstat,
17 * which should disappear in the near future)
18 * Eric Dumas : devfs support (22-Jan-98) <dumas@linux.eu.org> with
19 * fixups by C. Scott Ananian <cananian@alumni.princeton.edu>
20 * Richard Gooch : moved common (non OSS-specific) devices to sound_core.c
21 * Rob Riggs : Added persistent DMA buffers support (1998/10/17)
22 * Christoph Hellwig : Some cleanup work (2000/03/01)
23 */
24
25 #include <linux/config.h>
26
27 #include "sound_config.h"
28 #include <linux/init.h>
29 #include <linux/types.h>
30 #include <linux/errno.h>
31 #include <linux/signal.h>
32 #include <linux/fcntl.h>
33 #include <linux/ctype.h>
34 #include <linux/stddef.h>
35 #include <linux/kmod.h>
36 #include <asm/dma.h>
37 #include <asm/io.h>
38 #include <linux/wait.h>
39 #include <linux/slab.h>
40 #include <linux/ioport.h>
41 #include <linux/devfs_fs_kernel.h>
42 #include <linux/major.h>
43 #include <linux/delay.h>
44 #include <linux/proc_fs.h>
45 #include <linux/smp_lock.h>
46 #include <linux/module.h>
47
48 /*
49 * This ought to be moved into include/asm/dma.h
50 */
51 #ifndef valid_dma
52 #define valid_dma(n) ((n) >= 0 && (n) < MAX_DMA_CHANNELS && (n) != 4)
53 #endif
54
55 /*
56 * Table for permanently allocated memory (used when unloading the module)
57 */
58 void * sound_mem_blocks[1024];
59 int sound_nblocks = 0;
60
61 /* Persistent DMA buffers */
62 #ifdef CONFIG_SOUND_DMAP
63 int sound_dmap_flag = 1;
64 #else
65 int sound_dmap_flag = 0;
66 #endif
67
68 static char dma_alloc_map[MAX_DMA_CHANNELS];
69
70 #define DMA_MAP_UNAVAIL 0
71 #define DMA_MAP_FREE 1
72 #define DMA_MAP_BUSY 2
73
74
75 unsigned long seq_time = 0; /* Time for /dev/sequencer */
76 extern struct class_simple *sound_class;
77
78 /*
79 * Table for configurable mixer volume handling
80 */
81 static mixer_vol_table mixer_vols[MAX_MIXER_DEV];
82 static int num_mixer_volumes;
83
84 int *load_mixer_volumes(char *name, int *levels, int present)
85 {
86 int i, n;
87
88 for (i = 0; i < num_mixer_volumes; i++) {
89 if (strcmp(name, mixer_vols[i].name) == 0) {
90 if (present)
91 mixer_vols[i].num = i;
92 return mixer_vols[i].levels;
93 }
94 }
95 if (num_mixer_volumes >= MAX_MIXER_DEV) {
96 printk(KERN_ERR "Sound: Too many mixers (%s)\n", name);
97 return levels;
98 }
99 n = num_mixer_volumes++;
100
101 strcpy(mixer_vols[n].name, name);
102
103 if (present)
104 mixer_vols[n].num = n;
105 else
106 mixer_vols[n].num = -1;
107
108 for (i = 0; i < 32; i++)
109 mixer_vols[n].levels[i] = levels[i];
110 return mixer_vols[n].levels;
111 }
112
113 static int set_mixer_levels(void __user * arg)
114 {
115 /* mixer_vol_table is 174 bytes, so IMHO no reason to not allocate it on the stack */
116 mixer_vol_table buf;
117
118 if (__copy_from_user(&buf, arg, sizeof(buf)))
119 return -EFAULT;
120 load_mixer_volumes(buf.name, buf.levels, 0);
121 if (__copy_to_user(arg, &buf, sizeof(buf)))
122 return -EFAULT;
123 return 0;
124 }
125
126 static int get_mixer_levels(void __user * arg)
127 {
128 int n;
129
130 if (__get_user(n, (int __user *)(&(((mixer_vol_table __user *)arg)->num))))
131 return -EFAULT;
132 if (n < 0 || n >= num_mixer_volumes)
133 return -EINVAL;
134 if (__copy_to_user(arg, &mixer_vols[n], sizeof(mixer_vol_table)))
135 return -EFAULT;
136 return 0;
137 }
138
139 /* 4K page size but our output routines use some slack for overruns */
140 #define PROC_BLOCK_SIZE (3*1024)
141
142 static ssize_t sound_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
143 {
144 int dev = iminor(file->f_dentry->d_inode);
145 int ret = -EINVAL;
146
147 /*
148 * The OSS drivers aren't remotely happy without this locking,
149 * and unless someone fixes them when they are about to bite the
150 * big one anyway, we might as well bandage here..
151 */
152
153 lock_kernel();
154
155 DEB(printk("sound_read(dev=%d, count=%d)\n", dev, count));
156 switch (dev & 0x0f) {
157 case SND_DEV_DSP:
158 case SND_DEV_DSP16:
159 case SND_DEV_AUDIO:
160 ret = audio_read(dev, file, buf, count);
161 break;
162
163 case SND_DEV_SEQ:
164 case SND_DEV_SEQ2:
165 ret = sequencer_read(dev, file, buf, count);
166 break;
167
168 case SND_DEV_MIDIN:
169 ret = MIDIbuf_read(dev, file, buf, count);
170 }
171 unlock_kernel();
172 return ret;
173 }
174
175 static ssize_t sound_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
176 {
177 int dev = iminor(file->f_dentry->d_inode);
178 int ret = -EINVAL;
179
180 lock_kernel();
181 DEB(printk("sound_write(dev=%d, count=%d)\n", dev, count));
182 switch (dev & 0x0f) {
183 case SND_DEV_SEQ:
184 case SND_DEV_SEQ2:
185 ret = sequencer_write(dev, file, buf, count);
186 break;
187
188 case SND_DEV_DSP:
189 case SND_DEV_DSP16:
190 case SND_DEV_AUDIO:
191 ret = audio_write(dev, file, buf, count);
192 break;
193
194 case SND_DEV_MIDIN:
195 ret = MIDIbuf_write(dev, file, buf, count);
196 break;
197 }
198 unlock_kernel();
199 return ret;
200 }
201
202 static int sound_open(struct inode *inode, struct file *file)
203 {
204 int dev = iminor(inode);
205 int retval;
206
207 DEB(printk("sound_open(dev=%d)\n", dev));
208 if ((dev >= SND_NDEVS) || (dev < 0)) {
209 printk(KERN_ERR "Invalid minor device %d\n", dev);
210 return -ENXIO;
211 }
212 switch (dev & 0x0f) {
213 case SND_DEV_CTL:
214 dev >>= 4;
215 if (dev >= 0 && dev < MAX_MIXER_DEV && mixer_devs[dev] == NULL) {
216 request_module("mixer%d", dev);
217 }
218 if (dev && (dev >= num_mixers || mixer_devs[dev] == NULL))
219 return -ENXIO;
220
221 if (!try_module_get(mixer_devs[dev]->owner))
222 return -ENXIO;
223 break;
224
225 case SND_DEV_SEQ:
226 case SND_DEV_SEQ2:
227 if ((retval = sequencer_open(dev, file)) < 0)
228 return retval;
229 break;
230
231 case SND_DEV_MIDIN:
232 if ((retval = MIDIbuf_open(dev, file)) < 0)
233 return retval;
234 break;
235
236 case SND_DEV_DSP:
237 case SND_DEV_DSP16:
238 case SND_DEV_AUDIO:
239 if ((retval = audio_open(dev, file)) < 0)
240 return retval;
241 break;
242
243 default:
244 printk(KERN_ERR "Invalid minor device %d\n", dev);
245 return -ENXIO;
246 }
247
248 return 0;
249 }
250
251 static int sound_release(struct inode *inode, struct file *file)
252 {
253 int dev = iminor(inode);
254
255 lock_kernel();
256 DEB(printk("sound_release(dev=%d)\n", dev));
257 switch (dev & 0x0f) {
258 case SND_DEV_CTL:
259 module_put(mixer_devs[dev >> 4]->owner);
260 break;
261
262 case SND_DEV_SEQ:
263 case SND_DEV_SEQ2:
264 sequencer_release(dev, file);
265 break;
266
267 case SND_DEV_MIDIN:
268 MIDIbuf_release(dev, file);
269 break;
270
271 case SND_DEV_DSP:
272 case SND_DEV_DSP16:
273 case SND_DEV_AUDIO:
274 audio_release(dev, file);
275 break;
276
277 default:
278 printk(KERN_ERR "Sound error: Releasing unknown device 0x%02x\n", dev);
279 }
280 unlock_kernel();
281
282 return 0;
283 }
284
285 static int get_mixer_info(int dev, void __user *arg)
286 {
287 mixer_info info;
288 memset(&info, 0, sizeof(info));
289 strlcpy(info.id, mixer_devs[dev]->id, sizeof(info.id));
290 strlcpy(info.name, mixer_devs[dev]->name, sizeof(info.name));
291 info.modify_counter = mixer_devs[dev]->modify_counter;
292 if (__copy_to_user(arg, &info, sizeof(info)))
293 return -EFAULT;
294 return 0;
295 }
296
297 static int get_old_mixer_info(int dev, void __user *arg)
298 {
299 _old_mixer_info info;
300 memset(&info, 0, sizeof(info));
301 strlcpy(info.id, mixer_devs[dev]->id, sizeof(info.id));
302 strlcpy(info.name, mixer_devs[dev]->name, sizeof(info.name));
303 if (copy_to_user(arg, &info, sizeof(info)))
304 return -EFAULT;
305 return 0;
306 }
307
308 static int sound_mixer_ioctl(int mixdev, unsigned int cmd, void __user *arg)
309 {
310 if (mixdev < 0 || mixdev >= MAX_MIXER_DEV)
311 return -ENXIO;
312 /* Try to load the mixer... */
313 if (mixer_devs[mixdev] == NULL) {
314 request_module("mixer%d", mixdev);
315 }
316 if (mixdev >= num_mixers || !mixer_devs[mixdev])
317 return -ENXIO;
318 if (cmd == SOUND_MIXER_INFO)
319 return get_mixer_info(mixdev, arg);
320 if (cmd == SOUND_OLD_MIXER_INFO)
321 return get_old_mixer_info(mixdev, arg);
322 if (_SIOC_DIR(cmd) & _SIOC_WRITE)
323 mixer_devs[mixdev]->modify_counter++;
324 if (!mixer_devs[mixdev]->ioctl)
325 return -EINVAL;
326 return mixer_devs[mixdev]->ioctl(mixdev, cmd, arg);
327 }
328
329 static int sound_ioctl(struct inode *inode, struct file *file,
330 unsigned int cmd, unsigned long arg)
331 {
332 int len = 0, dtype;
333 int dev = iminor(inode);
334 void __user *p = (void __user *)arg;
335
336 if (_SIOC_DIR(cmd) != _SIOC_NONE && _SIOC_DIR(cmd) != 0) {
337 /*
338 * Have to validate the address given by the process.
339 */
340 len = _SIOC_SIZE(cmd);
341 if (len < 1 || len > 65536 || !p)
342 return -EFAULT;
343 if (_SIOC_DIR(cmd) & _SIOC_WRITE)
344 if (!access_ok(VERIFY_READ, p, len))
345 return -EFAULT;
346 if (_SIOC_DIR(cmd) & _SIOC_READ)
347 if (!access_ok(VERIFY_WRITE, p, len))
348 return -EFAULT;
349 }
350 DEB(printk("sound_ioctl(dev=%d, cmd=0x%x, arg=0x%x)\n", dev, cmd, arg));
351 if (cmd == OSS_GETVERSION)
352 return __put_user(SOUND_VERSION, (int __user *)p);
353
354 if (_IOC_TYPE(cmd) == 'M' && num_mixers > 0 && /* Mixer ioctl */
355 (dev & 0x0f) != SND_DEV_CTL) {
356 dtype = dev & 0x0f;
357 switch (dtype) {
358 case SND_DEV_DSP:
359 case SND_DEV_DSP16:
360 case SND_DEV_AUDIO:
361 return sound_mixer_ioctl(audio_devs[dev >> 4]->mixer_dev,
362 cmd, p);
363
364 default:
365 return sound_mixer_ioctl(dev >> 4, cmd, p);
366 }
367 }
368 switch (dev & 0x0f) {
369 case SND_DEV_CTL:
370 if (cmd == SOUND_MIXER_GETLEVELS)
371 return get_mixer_levels(p);
372 if (cmd == SOUND_MIXER_SETLEVELS)
373 return set_mixer_levels(p);
374 return sound_mixer_ioctl(dev >> 4, cmd, p);
375
376 case SND_DEV_SEQ:
377 case SND_DEV_SEQ2:
378 return sequencer_ioctl(dev, file, cmd, p);
379
380 case SND_DEV_DSP:
381 case SND_DEV_DSP16:
382 case SND_DEV_AUDIO:
383 return audio_ioctl(dev, file, cmd, p);
384 break;
385
386 case SND_DEV_MIDIN:
387 return MIDIbuf_ioctl(dev, file, cmd, p);
388 break;
389
390 }
391 return -EINVAL;
392 }
393
394 static unsigned int sound_poll(struct file *file, poll_table * wait)
395 {
396 struct inode *inode = file->f_dentry->d_inode;
397 int dev = iminor(inode);
398
399 DEB(printk("sound_poll(dev=%d)\n", dev));
400 switch (dev & 0x0f) {
401 case SND_DEV_SEQ:
402 case SND_DEV_SEQ2:
403 return sequencer_poll(dev, file, wait);
404
405 case SND_DEV_MIDIN:
406 return MIDIbuf_poll(dev, file, wait);
407
408 case SND_DEV_DSP:
409 case SND_DEV_DSP16:
410 case SND_DEV_AUDIO:
411 return DMAbuf_poll(file, dev >> 4, wait);
412 }
413 return 0;
414 }
415
416 static int sound_mmap(struct file *file, struct vm_area_struct *vma)
417 {
418 int dev_class;
419 unsigned long size;
420 struct dma_buffparms *dmap = NULL;
421 int dev = iminor(file->f_dentry->d_inode);
422
423 dev_class = dev & 0x0f;
424 dev >>= 4;
425
426 if (dev_class != SND_DEV_DSP && dev_class != SND_DEV_DSP16 && dev_class != SND_DEV_AUDIO) {
427 printk(KERN_ERR "Sound: mmap() not supported for other than audio devices\n");
428 return -EINVAL;
429 }
430 lock_kernel();
431 if (vma->vm_flags & VM_WRITE) /* Map write and read/write to the output buf */
432 dmap = audio_devs[dev]->dmap_out;
433 else if (vma->vm_flags & VM_READ)
434 dmap = audio_devs[dev]->dmap_in;
435 else {
436 printk(KERN_ERR "Sound: Undefined mmap() access\n");
437 unlock_kernel();
438 return -EINVAL;
439 }
440
441 if (dmap == NULL) {
442 printk(KERN_ERR "Sound: mmap() error. dmap == NULL\n");
443 unlock_kernel();
444 return -EIO;
445 }
446 if (dmap->raw_buf == NULL) {
447 printk(KERN_ERR "Sound: mmap() called when raw_buf == NULL\n");
448 unlock_kernel();
449 return -EIO;
450 }
451 if (dmap->mapping_flags) {
452 printk(KERN_ERR "Sound: mmap() called twice for the same DMA buffer\n");
453 unlock_kernel();
454 return -EIO;
455 }
456 if (vma->vm_pgoff != 0) {
457 printk(KERN_ERR "Sound: mmap() offset must be 0.\n");
458 unlock_kernel();
459 return -EINVAL;
460 }
461 size = vma->vm_end - vma->vm_start;
462
463 if (size != dmap->bytes_in_use) {
464 printk(KERN_WARNING "Sound: mmap() size = %ld. Should be %d\n", size, dmap->bytes_in_use);
465 }
466 if (remap_pfn_range(vma, vma->vm_start,
467 virt_to_phys(dmap->raw_buf) >> PAGE_SHIFT,
468 vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
469 unlock_kernel();
470 return -EAGAIN;
471 }
472
473 dmap->mapping_flags |= DMA_MAP_MAPPED;
474
475 if( audio_devs[dev]->d->mmap)
476 audio_devs[dev]->d->mmap(dev);
477
478 memset(dmap->raw_buf,
479 dmap->neutral_byte,
480 dmap->bytes_in_use);
481 unlock_kernel();
482 return 0;
483 }
484
485 struct file_operations oss_sound_fops = {
486 .owner = THIS_MODULE,
487 .llseek = no_llseek,
488 .read = sound_read,
489 .write = sound_write,
490 .poll = sound_poll,
491 .ioctl = sound_ioctl,
492 .mmap = sound_mmap,
493 .open = sound_open,
494 .release = sound_release,
495 };
496
497 /*
498 * Create the required special subdevices
499 */
500
501 static int create_special_devices(void)
502 {
503 int seq1,seq2;
504 seq1=register_sound_special(&oss_sound_fops, 1);
505 if(seq1==-1)
506 goto bad;
507 seq2=register_sound_special(&oss_sound_fops, 8);
508 if(seq2!=-1)
509 return 0;
510 unregister_sound_special(1);
511 bad:
512 return -1;
513 }
514
515
516 /* These device names follow the official Linux device list,
517 * Documentation/devices.txt. Let us know if there are other
518 * common names we should support for compatibility.
519 * Only those devices not created by the generic code in sound_core.c are
520 * registered here.
521 */
522 static const struct {
523 unsigned short minor;
524 char *name;
525 umode_t mode;
526 int *num;
527 } dev_list[] = { /* list of minor devices */
528 /* seems to be some confusion here -- this device is not in the device list */
529 {SND_DEV_DSP16, "dspW", S_IWUGO | S_IRUSR | S_IRGRP,
530 &num_audiodevs},
531 {SND_DEV_AUDIO, "audio", S_IWUGO | S_IRUSR | S_IRGRP,
532 &num_audiodevs},
533 };
534
535 static int dmabuf;
536 static int dmabug;
537
538 module_param(dmabuf, int, 0444);
539 module_param(dmabug, int, 0444);
540
541 static int __init oss_init(void)
542 {
543 int err;
544 int i, j;
545
546 /* drag in sound_syms.o */
547 {
548 extern char sound_syms_symbol;
549 sound_syms_symbol = 0;
550 }
551
552 #ifdef CONFIG_PCI
553 if(dmabug)
554 isa_dma_bridge_buggy = dmabug;
555 #endif
556
557 err = create_special_devices();
558 if (err) {
559 printk(KERN_ERR "sound: driver already loaded/included in kernel\n");
560 return err;
561 }
562
563 /* Protecting the innocent */
564 sound_dmap_flag = (dmabuf > 0 ? 1 : 0);
565
566 for (i = 0; i < sizeof (dev_list) / sizeof *dev_list; i++) {
567 devfs_mk_cdev(MKDEV(SOUND_MAJOR, dev_list[i].minor),
568 S_IFCHR | dev_list[i].mode,
569 "sound/%s", dev_list[i].name);
570 class_simple_device_add(sound_class,
571 MKDEV(SOUND_MAJOR, dev_list[i].minor),
572 NULL, "%s", dev_list[i].name);
573
574 if (!dev_list[i].num)
575 continue;
576
577 for (j = 1; j < *dev_list[i].num; j++) {
578 devfs_mk_cdev(MKDEV(SOUND_MAJOR,
579 dev_list[i].minor + (j*0x10)),
580 S_IFCHR | dev_list[i].mode,
581 "sound/%s%d", dev_list[i].name, j);
582 class_simple_device_add(sound_class,
583 MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)),
584 NULL,
585 "%s%d", dev_list[i].name, j);
586 }
587 }
588
589 if (sound_nblocks >= 1024)
590 printk(KERN_ERR "Sound warning: Deallocation table was too small.\n");
591
592 return 0;
593 }
594
595 static void __exit oss_cleanup(void)
596 {
597 int i, j;
598
599 for (i = 0; i < sizeof (dev_list) / sizeof *dev_list; i++) {
600 devfs_remove("sound/%s", dev_list[i].name);
601 class_simple_device_remove(MKDEV(SOUND_MAJOR, dev_list[i].minor));
602 if (!dev_list[i].num)
603 continue;
604 for (j = 1; j < *dev_list[i].num; j++) {
605 devfs_remove("sound/%s%d", dev_list[i].name, j);
606 class_simple_device_remove(MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)));
607 }
608 }
609
610 unregister_sound_special(1);
611 unregister_sound_special(8);
612
613 sound_stop_timer();
614
615 sequencer_unload();
616
617 for (i = 0; i < MAX_DMA_CHANNELS; i++)
618 if (dma_alloc_map[i] != DMA_MAP_UNAVAIL) {
619 printk(KERN_ERR "Sound: Hmm, DMA%d was left allocated - fixed\n", i);
620 sound_free_dma(i);
621 }
622
623 for (i = 0; i < sound_nblocks; i++)
624 vfree(sound_mem_blocks[i]);
625
626 }
627
628 module_init(oss_init);
629 module_exit(oss_cleanup);
630 MODULE_LICENSE("GPL");
631
632
633 int sound_alloc_dma(int chn, char *deviceID)
634 {
635 int err;
636
637 if ((err = request_dma(chn, deviceID)) != 0)
638 return err;
639
640 dma_alloc_map[chn] = DMA_MAP_FREE;
641
642 return 0;
643 }
644
645 int sound_open_dma(int chn, char *deviceID)
646 {
647 if (!valid_dma(chn)) {
648 printk(KERN_ERR "sound_open_dma: Invalid DMA channel %d\n", chn);
649 return 1;
650 }
651
652 if (dma_alloc_map[chn] != DMA_MAP_FREE) {
653 printk("sound_open_dma: DMA channel %d busy or not allocated (%d)\n", chn, dma_alloc_map[chn]);
654 return 1;
655 }
656 dma_alloc_map[chn] = DMA_MAP_BUSY;
657 return 0;
658 }
659
660 void sound_free_dma(int chn)
661 {
662 if (dma_alloc_map[chn] == DMA_MAP_UNAVAIL) {
663 /* printk( "sound_free_dma: Bad access to DMA channel %d\n", chn); */
664 return;
665 }
666 free_dma(chn);
667 dma_alloc_map[chn] = DMA_MAP_UNAVAIL;
668 }
669
670 void sound_close_dma(int chn)
671 {
672 if (dma_alloc_map[chn] != DMA_MAP_BUSY) {
673 printk(KERN_ERR "sound_close_dma: Bad access to DMA channel %d\n", chn);
674 return;
675 }
676 dma_alloc_map[chn] = DMA_MAP_FREE;
677 }
678
679 static void do_sequencer_timer(unsigned long dummy)
680 {
681 sequencer_timer(0);
682 }
683
684
685 static struct timer_list seq_timer =
686 TIMER_INITIALIZER(do_sequencer_timer, 0, 0);
687
688 void request_sound_timer(int count)
689 {
690 extern unsigned long seq_time;
691
692 if (count < 0) {
693 seq_timer.expires = (-count) + jiffies;
694 add_timer(&seq_timer);
695 return;
696 }
697 count += seq_time;
698
699 count -= jiffies;
700
701 if (count < 1)
702 count = 1;
703
704 seq_timer.expires = (count) + jiffies;
705 add_timer(&seq_timer);
706 }
707
708 void sound_stop_timer(void)
709 {
710 del_timer(&seq_timer);
711 }
712
713 void conf_printf(char *name, struct address_info *hw_config)
714 {
715 #ifndef CONFIG_SOUND_TRACEINIT
716 return;
717 #else
718 printk("<%s> at 0x%03x", name, hw_config->io_base);
719
720 if (hw_config->irq)
721 printk(" irq %d", (hw_config->irq > 0) ? hw_config->irq : -hw_config->irq);
722
723 if (hw_config->dma != -1 || hw_config->dma2 != -1)
724 {
725 printk(" dma %d", hw_config->dma);
726 if (hw_config->dma2 != -1)
727 printk(",%d", hw_config->dma2);
728 }
729 printk("\n");
730 #endif
731 }
732
733 void conf_printf2(char *name, int base, int irq, int dma, int dma2)
734 {
735 #ifndef CONFIG_SOUND_TRACEINIT
736 return;
737 #else
738 printk("<%s> at 0x%03x", name, base);
739
740 if (irq)
741 printk(" irq %d", (irq > 0) ? irq : -irq);
742
743 if (dma != -1 || dma2 != -1)
744 {
745 printk(" dma %d", dma);
746 if (dma2 != -1)
747 printk(",%d", dma2);
748 }
749 printk("\n");
750 #endif
751 }
Verdex Pro support