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[PATCH] W1: w1_netlink: New init/fini netlink callbacks.
[linux-2.6/verdex.git] / drivers / media / video / saa7134 / saa7134-oss.c
blobb5bede95dbf50e2c4570c217e7a662b61e3deb2b
1 /*
2 * $Id: saa7134-oss.c,v 1.17 2005/06/28 23:41:47 mkrufky Exp $
3 *
4 * device driver for philips saa7134 based TV cards
5 * oss dsp interface
6 *
7 * (c) 2001,02 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
30 #include <linux/soundcard.h>
31
32 #include "saa7134-reg.h"
33 #include "saa7134.h"
34
35 /* ------------------------------------------------------------------ */
36
37 static unsigned int oss_debug = 0;
38 module_param(oss_debug, int, 0644);
39 MODULE_PARM_DESC(oss_debug,"enable debug messages [oss]");
40
41 static unsigned int oss_rate = 0;
42 module_param(oss_rate, int, 0444);
43 MODULE_PARM_DESC(oss_rate,"sample rate (valid are: 32000,48000)");
44
45 #define dprintk(fmt, arg...) if (oss_debug) \
46 printk(KERN_DEBUG "%s/oss: " fmt, dev->name , ## arg)
47
48 /* ------------------------------------------------------------------ */
49
50 static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks)
51 {
52 if (blksize < 0x100)
53 blksize = 0x100;
54 if (blksize > 0x10000)
55 blksize = 0x10000;
56
57 if (blocks < 2)
58 blocks = 2;
59 if ((blksize * blocks) > 1024*1024)
60 blocks = 1024*1024 / blksize;
61
62 dev->oss.blocks = blocks;
63 dev->oss.blksize = blksize;
64 dev->oss.bufsize = blksize * blocks;
65
66 dprintk("buffer config: %d blocks / %d bytes, %d kB total\n",
67 blocks,blksize,blksize * blocks / 1024);
68 return 0;
69 }
70
71 static int dsp_buffer_init(struct saa7134_dev *dev)
72 {
73 int err;
74
75 if (!dev->oss.bufsize)
76 BUG();
77 videobuf_dma_init(&dev->oss.dma);
78 err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE,
79 (dev->oss.bufsize + PAGE_SIZE) >> PAGE_SHIFT);
80 if (0 != err)
81 return err;
82 return 0;
83 }
84
85 static int dsp_buffer_free(struct saa7134_dev *dev)
86 {
87 if (!dev->oss.blksize)
88 BUG();
89 videobuf_dma_free(&dev->oss.dma);
90 dev->oss.blocks = 0;
91 dev->oss.blksize = 0;
92 dev->oss.bufsize = 0;
93 return 0;
94 }
95
96 static void dsp_dma_start(struct saa7134_dev *dev)
97 {
98 dev->oss.dma_blk = 0;
99 dev->oss.dma_running = 1;
100 saa7134_set_dmabits(dev);
101 }
102
103 static void dsp_dma_stop(struct saa7134_dev *dev)
104 {
105 dev->oss.dma_blk = -1;
106 dev->oss.dma_running = 0;
107 saa7134_set_dmabits(dev);
108 }
109
110 static int dsp_rec_start(struct saa7134_dev *dev)
111 {
112 int err, bswap, sign;
113 u32 fmt, control;
114 unsigned long flags;
115
116 /* prepare buffer */
117 if (0 != (err = videobuf_dma_pci_map(dev->pci,&dev->oss.dma)))
118 return err;
119 if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->oss.pt)))
120 goto fail1;
121 if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->oss.pt,
122 dev->oss.dma.sglist,
123 dev->oss.dma.sglen,
124 0)))
125 goto fail2;
126
127 /* sample format */
128 switch (dev->oss.afmt) {
129 case AFMT_U8:
130 case AFMT_S8: fmt = 0x00; break;
131 case AFMT_U16_LE:
132 case AFMT_U16_BE:
133 case AFMT_S16_LE:
134 case AFMT_S16_BE: fmt = 0x01; break;
135 default:
136 err = -EINVAL;
137 goto fail2;
138 }
139
140 switch (dev->oss.afmt) {
141 case AFMT_S8:
142 case AFMT_S16_LE:
143 case AFMT_S16_BE: sign = 1; break;
144 default: sign = 0; break;
145 }
146
147 switch (dev->oss.afmt) {
148 case AFMT_U16_BE:
149 case AFMT_S16_BE: bswap = 1; break;
150 default: bswap = 0; break;
151 }
152
153 switch (dev->pci->device) {
154 case PCI_DEVICE_ID_PHILIPS_SAA7134:
155 if (1 == dev->oss.channels)
156 fmt |= (1 << 3);
157 if (2 == dev->oss.channels)
158 fmt |= (3 << 3);
159 if (sign)
160 fmt |= 0x04;
161 fmt |= (TV == dev->oss.input) ? 0xc0 : 0x80;
162
163 saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->oss.blksize - 1) & 0x0000ff));
164 saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->oss.blksize - 1) & 0x00ff00) >> 8);
165 saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->oss.blksize - 1) & 0xff0000) >> 16);
166 saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt);
167
168 break;
169 case PCI_DEVICE_ID_PHILIPS_SAA7133:
170 case PCI_DEVICE_ID_PHILIPS_SAA7135:
171 if (1 == dev->oss.channels)
172 fmt |= (1 << 4);
173 if (2 == dev->oss.channels)
174 fmt |= (2 << 4);
175 if (!sign)
176 fmt |= 0x04;
177 saa_writel(0x588 >> 2, dev->oss.blksize -4);
178 saa_writel(0x58c >> 2, 0x543210 | (fmt << 24));
179 break;
180 }
181 dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n",
182 dev->oss.afmt, dev->oss.channels, fmt,
183 bswap ? 'b' : '-');
184
185 /* dma: setup channel 6 (= AUDIO) */
186 control = SAA7134_RS_CONTROL_BURST_16 |
187 SAA7134_RS_CONTROL_ME |
188 (dev->oss.pt.dma >> 12);
189 if (bswap)
190 control |= SAA7134_RS_CONTROL_BSWAP;
191 saa_writel(SAA7134_RS_BA1(6),0);
192 saa_writel(SAA7134_RS_BA2(6),dev->oss.blksize);
193 saa_writel(SAA7134_RS_PITCH(6),0);
194 saa_writel(SAA7134_RS_CONTROL(6),control);
195
196 /* start dma */
197 dev->oss.recording_on = 1;
198 spin_lock_irqsave(&dev->slock,flags);
199 dsp_dma_start(dev);
200 spin_unlock_irqrestore(&dev->slock,flags);
201 return 0;
202
203 fail2:
204 saa7134_pgtable_free(dev->pci,&dev->oss.pt);
205 fail1:
206 videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma);
207 return err;
208 }
209
210 static int dsp_rec_stop(struct saa7134_dev *dev)
211 {
212 unsigned long flags;
213
214 dprintk("rec_stop dma_blk=%d\n",dev->oss.dma_blk);
215
216 /* stop dma */
217 dev->oss.recording_on = 0;
218 spin_lock_irqsave(&dev->slock,flags);
219 dsp_dma_stop(dev);
220 spin_unlock_irqrestore(&dev->slock,flags);
221
222 /* unlock buffer */
223 saa7134_pgtable_free(dev->pci,&dev->oss.pt);
224 videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma);
225 return 0;
226 }
227
228 /* ------------------------------------------------------------------ */
229
230 static int dsp_open(struct inode *inode, struct file *file)
231 {
232 int minor = iminor(inode);
233 struct saa7134_dev *h,*dev = NULL;
234 struct list_head *list;
235 int err;
236
237 list_for_each(list,&saa7134_devlist) {
238 h = list_entry(list, struct saa7134_dev, devlist);
239 if (h->oss.minor_dsp == minor)
240 dev = h;
241 }
242 if (NULL == dev)
243 return -ENODEV;
244
245 down(&dev->oss.lock);
246 err = -EBUSY;
247 if (dev->oss.users_dsp)
248 goto fail1;
249 dev->oss.users_dsp++;
250 file->private_data = dev;
251
252 dev->oss.afmt = AFMT_U8;
253 dev->oss.channels = 1;
254 dev->oss.read_count = 0;
255 dev->oss.read_offset = 0;
256 dsp_buffer_conf(dev,PAGE_SIZE,64);
257 err = dsp_buffer_init(dev);
258 if (0 != err)
259 goto fail2;
260
261 up(&dev->oss.lock);
262 return 0;
263
264 fail2:
265 dev->oss.users_dsp--;
266 fail1:
267 up(&dev->oss.lock);
268 return err;
269 }
270
271 static int dsp_release(struct inode *inode, struct file *file)
272 {
273 struct saa7134_dev *dev = file->private_data;
274
275 down(&dev->oss.lock);
276 if (dev->oss.recording_on)
277 dsp_rec_stop(dev);
278 dsp_buffer_free(dev);
279 dev->oss.users_dsp--;
280 file->private_data = NULL;
281 up(&dev->oss.lock);
282 return 0;
283 }
284
285 static ssize_t dsp_read(struct file *file, char __user *buffer,
286 size_t count, loff_t *ppos)
287 {
288 struct saa7134_dev *dev = file->private_data;
289 DECLARE_WAITQUEUE(wait, current);
290 unsigned int bytes;
291 unsigned long flags;
292 int err,ret = 0;
293
294 add_wait_queue(&dev->oss.wq, &wait);
295 down(&dev->oss.lock);
296 while (count > 0) {
297 /* wait for data if needed */
298 if (0 == dev->oss.read_count) {
299 if (!dev->oss.recording_on) {
300 err = dsp_rec_start(dev);
301 if (err < 0) {
302 if (0 == ret)
303 ret = err;
304 break;
305 }
306 }
307 if (dev->oss.recording_on &&
308 !dev->oss.dma_running) {
309 /* recover from overruns */
310 spin_lock_irqsave(&dev->slock,flags);
311 dsp_dma_start(dev);
312 spin_unlock_irqrestore(&dev->slock,flags);
313 }
314 if (file->f_flags & O_NONBLOCK) {
315 if (0 == ret)
316 ret = -EAGAIN;
317 break;
318 }
319 up(&dev->oss.lock);
320 set_current_state(TASK_INTERRUPTIBLE);
321 if (0 == dev->oss.read_count)
322 schedule();
323 set_current_state(TASK_RUNNING);
324 down(&dev->oss.lock);
325 if (signal_pending(current)) {
326 if (0 == ret)
327 ret = -EINTR;
328 break;
329 }
330 }
331
332 /* copy data to userspace */
333 bytes = count;
334 if (bytes > dev->oss.read_count)
335 bytes = dev->oss.read_count;
336 if (bytes > dev->oss.bufsize - dev->oss.read_offset)
337 bytes = dev->oss.bufsize - dev->oss.read_offset;
338 if (copy_to_user(buffer + ret,
339 dev->oss.dma.vmalloc + dev->oss.read_offset,
340 bytes)) {
341 if (0 == ret)
342 ret = -EFAULT;
343 break;
344 }
345
346 ret += bytes;
347 count -= bytes;
348 dev->oss.read_count -= bytes;
349 dev->oss.read_offset += bytes;
350 if (dev->oss.read_offset == dev->oss.bufsize)
351 dev->oss.read_offset = 0;
352 }
353 up(&dev->oss.lock);
354 remove_wait_queue(&dev->oss.wq, &wait);
355 return ret;
356 }
357
358 static ssize_t dsp_write(struct file *file, const char __user *buffer,
359 size_t count, loff_t *ppos)
360 {
361 return -EINVAL;
362 }
363
364 static int dsp_ioctl(struct inode *inode, struct file *file,
365 unsigned int cmd, unsigned long arg)
366 {
367 struct saa7134_dev *dev = file->private_data;
368 void __user *argp = (void __user *) arg;
369 int __user *p = argp;
370 int val = 0;
371
372 if (oss_debug > 1)
373 saa7134_print_ioctl(dev->name,cmd);
374 switch (cmd) {
375 case OSS_GETVERSION:
376 return put_user(SOUND_VERSION, p);
377 case SNDCTL_DSP_GETCAPS:
378 return 0;
379
380 case SNDCTL_DSP_SPEED:
381 if (get_user(val, p))
382 return -EFAULT;
383 /* fall through */
384 case SOUND_PCM_READ_RATE:
385 return put_user(dev->oss.rate, p);
386
387 case SNDCTL_DSP_STEREO:
388 if (get_user(val, p))
389 return -EFAULT;
390 down(&dev->oss.lock);
391 dev->oss.channels = val ? 2 : 1;
392 if (dev->oss.recording_on) {
393 dsp_rec_stop(dev);
394 dsp_rec_start(dev);
395 }
396 up(&dev->oss.lock);
397 return put_user(dev->oss.channels-1, p);
398
399 case SNDCTL_DSP_CHANNELS:
400 if (get_user(val, p))
401 return -EFAULT;
402 if (val != 1 && val != 2)
403 return -EINVAL;
404 down(&dev->oss.lock);
405 dev->oss.channels = val;
406 if (dev->oss.recording_on) {
407 dsp_rec_stop(dev);
408 dsp_rec_start(dev);
409 }
410 up(&dev->oss.lock);
411 /* fall through */
412 case SOUND_PCM_READ_CHANNELS:
413 return put_user(dev->oss.channels, p);
414
415 case SNDCTL_DSP_GETFMTS: /* Returns a mask */
416 return put_user(AFMT_U8 | AFMT_S8 |
417 AFMT_U16_LE | AFMT_U16_BE |
418 AFMT_S16_LE | AFMT_S16_BE, p);
419
420 case SNDCTL_DSP_SETFMT: /* Selects ONE fmt */
421 if (get_user(val, p))
422 return -EFAULT;
423 switch (val) {
424 case AFMT_QUERY:
425 /* nothing to do */
426 break;
427 case AFMT_U8:
428 case AFMT_S8:
429 case AFMT_U16_LE:
430 case AFMT_U16_BE:
431 case AFMT_S16_LE:
432 case AFMT_S16_BE:
433 down(&dev->oss.lock);
434 dev->oss.afmt = val;
435 if (dev->oss.recording_on) {
436 dsp_rec_stop(dev);
437 dsp_rec_start(dev);
438 }
439 up(&dev->oss.lock);
440 return put_user(dev->oss.afmt, p);
441 default:
442 return -EINVAL;
443 }
444
445 case SOUND_PCM_READ_BITS:
446 switch (dev->oss.afmt) {
447 case AFMT_U8:
448 case AFMT_S8:
449 return put_user(8, p);
450 case AFMT_U16_LE:
451 case AFMT_U16_BE:
452 case AFMT_S16_LE:
453 case AFMT_S16_BE:
454 return put_user(16, p);
455 default:
456 return -EINVAL;
457 }
458
459 case SNDCTL_DSP_NONBLOCK:
460 file->f_flags |= O_NONBLOCK;
461 return 0;
462
463 case SNDCTL_DSP_RESET:
464 down(&dev->oss.lock);
465 if (dev->oss.recording_on)
466 dsp_rec_stop(dev);
467 up(&dev->oss.lock);
468 return 0;
469 case SNDCTL_DSP_GETBLKSIZE:
470 return put_user(dev->oss.blksize, p);
471
472 case SNDCTL_DSP_SETFRAGMENT:
473 if (get_user(val, p))
474 return -EFAULT;
475 if (dev->oss.recording_on)
476 return -EBUSY;
477 dsp_buffer_free(dev);
478 /* used to be arg >> 16 instead of val >> 16; fixed */
479 dsp_buffer_conf(dev,1 << (val & 0xffff), (val >> 16) & 0xffff);
480 dsp_buffer_init(dev);
481 return 0;
482
483 case SNDCTL_DSP_SYNC:
484 /* NOP */
485 return 0;
486
487 case SNDCTL_DSP_GETISPACE:
488 {
489 audio_buf_info info;
490 info.fragsize = dev->oss.blksize;
491 info.fragstotal = dev->oss.blocks;
492 info.bytes = dev->oss.read_count;
493 info.fragments = info.bytes / info.fragsize;
494 if (copy_to_user(argp, &info, sizeof(info)))
495 return -EFAULT;
496 return 0;
497 }
498 default:
499 return -EINVAL;
500 }
501 }
502
503 static unsigned int dsp_poll(struct file *file, struct poll_table_struct *wait)
504 {
505 struct saa7134_dev *dev = file->private_data;
506 unsigned int mask = 0;
507
508 poll_wait(file, &dev->oss.wq, wait);
509
510 if (0 == dev->oss.read_count) {
511 down(&dev->oss.lock);
512 if (!dev->oss.recording_on)
513 dsp_rec_start(dev);
514 up(&dev->oss.lock);
515 } else
516 mask |= (POLLIN | POLLRDNORM);
517 return mask;
518 }
519
520 struct file_operations saa7134_dsp_fops = {
521 .owner = THIS_MODULE,
522 .open = dsp_open,
523 .release = dsp_release,
524 .read = dsp_read,
525 .write = dsp_write,
526 .ioctl = dsp_ioctl,
527 .poll = dsp_poll,
528 .llseek = no_llseek,
529 };
530
531 /* ------------------------------------------------------------------ */
532
533 static int
534 mixer_recsrc_7134(struct saa7134_dev *dev)
535 {
536 int analog_io,rate;
537
538 switch (dev->oss.input) {
539 case TV:
540 saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0);
541 saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00);
542 break;
543 case LINE1:
544 case LINE2:
545 case LINE2_LEFT:
546 analog_io = (LINE1 == dev->oss.input) ? 0x00 : 0x08;
547 rate = (32000 == dev->oss.rate) ? 0x01 : 0x03;
548 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io);
549 saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80);
550 saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate);
551 break;
552 }
553 return 0;
554 }
555
556 static int
557 mixer_recsrc_7133(struct saa7134_dev *dev)
558 {
559 u32 anabar, xbarin;
560
561 xbarin = 0x03; // adc
562 anabar = 0;
563 switch (dev->oss.input) {
564 case TV:
565 xbarin = 0; // Demodulator
566 anabar = 2; // DACs
567 break;
568 case LINE1:
569 anabar = 0; // aux1, aux1
570 break;
571 case LINE2:
572 case LINE2_LEFT:
573 anabar = 9; // aux2, aux2
574 break;
575 }
576 /* output xbar always main channel */
577 saa_dsp_writel(dev, 0x46c >> 2, 0xbbbb10);
578 saa_dsp_writel(dev, 0x464 >> 2, xbarin);
579 saa_writel(0x594 >> 2, anabar);
580
581 return 0;
582 }
583
584 static int
585 mixer_recsrc(struct saa7134_dev *dev, enum saa7134_audio_in src)
586 {
587 static const char *iname[] = { "Oops", "TV", "LINE1", "LINE2" };
588
589 dev->oss.count++;
590 dev->oss.input = src;
591 dprintk("mixer input = %s\n",iname[dev->oss.input]);
592
593 switch (dev->pci->device) {
594 case PCI_DEVICE_ID_PHILIPS_SAA7134:
595 mixer_recsrc_7134(dev);
596 break;
597 case PCI_DEVICE_ID_PHILIPS_SAA7133:
598 case PCI_DEVICE_ID_PHILIPS_SAA7135:
599 mixer_recsrc_7133(dev);
600 break;
601 }
602 return 0;
603 }
604
605 static int
606 mixer_level(struct saa7134_dev *dev, enum saa7134_audio_in src, int level)
607 {
608 switch (dev->pci->device) {
609 case PCI_DEVICE_ID_PHILIPS_SAA7134:
610 switch (src) {
611 case TV:
612 /* nothing */
613 break;
614 case LINE1:
615 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x10,
616 (100 == level) ? 0x00 : 0x10);
617 break;
618 case LINE2:
619 case LINE2_LEFT:
620 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x20,
621 (100 == level) ? 0x00 : 0x20);
622 break;
623 }
624 break;
625 case PCI_DEVICE_ID_PHILIPS_SAA7133:
626 case PCI_DEVICE_ID_PHILIPS_SAA7135:
627 /* nothing */
628 break;
629 }
630 return 0;
631 }
632
633 /* ------------------------------------------------------------------ */
634
635 static int mixer_open(struct inode *inode, struct file *file)
636 {
637 int minor = iminor(inode);
638 struct saa7134_dev *h,*dev = NULL;
639 struct list_head *list;
640
641 list_for_each(list,&saa7134_devlist) {
642 h = list_entry(list, struct saa7134_dev, devlist);
643 if (h->oss.minor_mixer == minor)
644 dev = h;
645 }
646 if (NULL == dev)
647 return -ENODEV;
648
649 file->private_data = dev;
650 return 0;
651 }
652
653 static int mixer_release(struct inode *inode, struct file *file)
654 {
655 file->private_data = NULL;
656 return 0;
657 }
658
659 static int mixer_ioctl(struct inode *inode, struct file *file,
660 unsigned int cmd, unsigned long arg)
661 {
662 struct saa7134_dev *dev = file->private_data;
663 enum saa7134_audio_in input;
664 int val,ret;
665 void __user *argp = (void __user *) arg;
666 int __user *p = argp;
667
668 if (oss_debug > 1)
669 saa7134_print_ioctl(dev->name,cmd);
670 switch (cmd) {
671 case OSS_GETVERSION:
672 return put_user(SOUND_VERSION, p);
673 case SOUND_MIXER_INFO:
674 {
675 mixer_info info;
676 memset(&info,0,sizeof(info));
677 strlcpy(info.id, "TV audio", sizeof(info.id));
678 strlcpy(info.name, dev->name, sizeof(info.name));
679 info.modify_counter = dev->oss.count;
680 if (copy_to_user(argp, &info, sizeof(info)))
681 return -EFAULT;
682 return 0;
683 }
684 case SOUND_OLD_MIXER_INFO:
685 {
686 _old_mixer_info info;
687 memset(&info,0,sizeof(info));
688 strlcpy(info.id, "TV audio", sizeof(info.id));
689 strlcpy(info.name, dev->name, sizeof(info.name));
690 if (copy_to_user(argp, &info, sizeof(info)))
691 return -EFAULT;
692 return 0;
693 }
694 case MIXER_READ(SOUND_MIXER_CAPS):
695 return put_user(SOUND_CAP_EXCL_INPUT, p);
696 case MIXER_READ(SOUND_MIXER_STEREODEVS):
697 return put_user(0, p);
698 case MIXER_READ(SOUND_MIXER_RECMASK):
699 case MIXER_READ(SOUND_MIXER_DEVMASK):
700 val = SOUND_MASK_LINE1 | SOUND_MASK_LINE2;
701 if (32000 == dev->oss.rate)
702 val |= SOUND_MASK_VIDEO;
703 return put_user(val, p);
704
705 case MIXER_WRITE(SOUND_MIXER_RECSRC):
706 if (get_user(val, p))
707 return -EFAULT;
708 input = dev->oss.input;
709 if (32000 == dev->oss.rate &&
710 val & SOUND_MASK_VIDEO && dev->oss.input != TV)
711 input = TV;
712 if (val & SOUND_MASK_LINE1 && dev->oss.input != LINE1)
713 input = LINE1;
714 if (val & SOUND_MASK_LINE2 && dev->oss.input != LINE2)
715 input = LINE2;
716 if (input != dev->oss.input)
717 mixer_recsrc(dev,input);
718 /* fall throuth */
719 case MIXER_READ(SOUND_MIXER_RECSRC):
720 switch (dev->oss.input) {
721 case TV: ret = SOUND_MASK_VIDEO; break;
722 case LINE1: ret = SOUND_MASK_LINE1; break;
723 case LINE2: ret = SOUND_MASK_LINE2; break;
724 default: ret = 0;
725 }
726 return put_user(ret, p);
727
728 case MIXER_WRITE(SOUND_MIXER_VIDEO):
729 case MIXER_READ(SOUND_MIXER_VIDEO):
730 if (32000 != dev->oss.rate)
731 return -EINVAL;
732 return put_user(100 | 100 << 8, p);
733
734 case MIXER_WRITE(SOUND_MIXER_LINE1):
735 if (get_user(val, p))
736 return -EFAULT;
737 val &= 0xff;
738 val = (val <= 50) ? 50 : 100;
739 dev->oss.line1 = val;
740 mixer_level(dev,LINE1,dev->oss.line1);
741 /* fall throuth */
742 case MIXER_READ(SOUND_MIXER_LINE1):
743 return put_user(dev->oss.line1 | dev->oss.line1 << 8, p);
744
745 case MIXER_WRITE(SOUND_MIXER_LINE2):
746 if (get_user(val, p))
747 return -EFAULT;
748 val &= 0xff;
749 val = (val <= 50) ? 50 : 100;
750 dev->oss.line2 = val;
751 mixer_level(dev,LINE2,dev->oss.line2);
752 /* fall throuth */
753 case MIXER_READ(SOUND_MIXER_LINE2):
754 return put_user(dev->oss.line2 | dev->oss.line2 << 8, p);
755
756 default:
757 return -EINVAL;
758 }
759 }
760
761 struct file_operations saa7134_mixer_fops = {
762 .owner = THIS_MODULE,
763 .open = mixer_open,
764 .release = mixer_release,
765 .ioctl = mixer_ioctl,
766 .llseek = no_llseek,
767 };
768
769 /* ------------------------------------------------------------------ */
770
771 int saa7134_oss_init1(struct saa7134_dev *dev)
772 {
773 /* general */
774 init_MUTEX(&dev->oss.lock);
775 init_waitqueue_head(&dev->oss.wq);
776
777 switch (dev->pci->device) {
778 case PCI_DEVICE_ID_PHILIPS_SAA7133:
779 case PCI_DEVICE_ID_PHILIPS_SAA7135:
780 saa_writel(0x588 >> 2, 0x00000fff);
781 saa_writel(0x58c >> 2, 0x00543210);
782 saa_dsp_writel(dev, 0x46c >> 2, 0xbbbbbb);
783 break;
784 }
785
786 /* dsp */
787 dev->oss.rate = 32000;
788 if (oss_rate)
789 dev->oss.rate = oss_rate;
790 dev->oss.rate = (dev->oss.rate > 40000) ? 48000 : 32000;
791
792 /* mixer */
793 dev->oss.line1 = 50;
794 dev->oss.line2 = 50;
795 mixer_level(dev,LINE1,dev->oss.line1);
796 mixer_level(dev,LINE2,dev->oss.line2);
797 mixer_recsrc(dev, (dev->oss.rate == 32000) ? TV : LINE2);
798
799 return 0;
800 }
801
802 int saa7134_oss_fini(struct saa7134_dev *dev)
803 {
804 /* nothing */
805 return 0;
806 }
807
808 void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status)
809 {
810 int next_blk, reg = 0;
811
812 spin_lock(&dev->slock);
813 if (UNSET == dev->oss.dma_blk) {
814 dprintk("irq: recording stopped\n");
815 goto done;
816 }
817 if (0 != (status & 0x0f000000))
818 dprintk("irq: lost %ld\n", (status >> 24) & 0x0f);
819 if (0 == (status & 0x10000000)) {
820 /* odd */
821 if (0 == (dev->oss.dma_blk & 0x01))
822 reg = SAA7134_RS_BA1(6);
823 } else {
824 /* even */
825 if (1 == (dev->oss.dma_blk & 0x01))
826 reg = SAA7134_RS_BA2(6);
827 }
828 if (0 == reg) {
829 dprintk("irq: field oops [%s]\n",
830 (status & 0x10000000) ? "even" : "odd");
831 goto done;
832 }
833 if (dev->oss.read_count >= dev->oss.blksize * (dev->oss.blocks-2)) {
834 dprintk("irq: overrun [full=%d/%d]\n",dev->oss.read_count,
835 dev->oss.bufsize);
836 dsp_dma_stop(dev);
837 goto done;
838 }
839
840 /* next block addr */
841 next_blk = (dev->oss.dma_blk + 2) % dev->oss.blocks;
842 saa_writel(reg,next_blk * dev->oss.blksize);
843 if (oss_debug > 2)
844 dprintk("irq: ok, %s, next_blk=%d, addr=%x\n",
845 (status & 0x10000000) ? "even" : "odd ", next_blk,
846 next_blk * dev->oss.blksize);
847
848 /* update status & wake waiting readers */
849 dev->oss.dma_blk = (dev->oss.dma_blk + 1) % dev->oss.blocks;
850 dev->oss.read_count += dev->oss.blksize;
851 wake_up(&dev->oss.wq);
852
853 done:
854 spin_unlock(&dev->slock);
855 }
856
857 /* ----------------------------------------------------------- */
858 /*
859 * Local variables:
860 * c-basic-offset: 8
861 * End:
862 */
Verdex Pro support