projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / saa7134 / saa7134-core.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 2 *
3 * device driver for philips saa7134 based TV cards
4 * driver core
5 *
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
1da177e4
LT		 23#include <linux/init.h>
24#include <linux/list.h>
25#include <linux/module.h>
26#include <linux/moduleparam.h>
27#include <linux/kernel.h>
28#include <linux/slab.h>
29#include <linux/kmod.h>
30#include <linux/sound.h>
31#include <linux/interrupt.h>
32#include <linux/delay.h>
1e4baed3 33#include <linux/mutex.h>
56b146d3 34#include <linux/dma-mapping.h>
1da177e4
LT		 35
36#include "saa7134-reg.h"
37#include "saa7134.h"
38
39MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
40MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
41MODULE_LICENSE("GPL");
42
43/* ------------------------------------------------------------------ */
44
45static unsigned int irq_debug = 0;
46module_param(irq_debug, int, 0644);
47MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
48
49static unsigned int core_debug = 0;
50module_param(core_debug, int, 0644);
51MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
52
53static unsigned int gpio_tracking = 0;
54module_param(gpio_tracking, int, 0644);
55MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
56
bd15eba3 57static unsigned int alsa = 0;
4aabf633
RC		 58module_param(alsa, int, 0644);
59MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
60
61static unsigned int oss = 0;
62module_param(oss, int, 0644);
63MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
bd15eba3 64
1da177e4
LT		 65static unsigned int latency = UNSET;
66module_param(latency, int, 0444);
67MODULE_PARM_DESC(latency,"pci latency timer");
68
ecb73774
MCC		 69int saa7134_no_overlay=-1;
70module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
9050d942
MCC		 71MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
72 " [some VIA/SIS chipsets are known to have problem with overlay]");
73
1da177e4
LT		 74static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
76static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
1da177e4
LT		 77static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
78static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
79
674434c6 80
1da177e4
LT		 81module_param_array(video_nr, int, NULL, 0444);
82module_param_array(vbi_nr, int, NULL, 0444);
83module_param_array(radio_nr, int, NULL, 0444);
1da177e4
LT		 84module_param_array(tuner, int, NULL, 0444);
85module_param_array(card, int, NULL, 0444);
86
87MODULE_PARM_DESC(video_nr, "video device number");
88MODULE_PARM_DESC(vbi_nr, "vbi device number");
89MODULE_PARM_DESC(radio_nr, "radio device number");
1da177e4
LT		 90MODULE_PARM_DESC(tuner, "tuner type");
91MODULE_PARM_DESC(card, "card type");
92
1e4baed3 93static DEFINE_MUTEX(devlist_lock);
1da177e4
LT		 94LIST_HEAD(saa7134_devlist);
95static LIST_HEAD(mops_list);
96static unsigned int saa7134_devcount;
97
78457018
AB		 98int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
99int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
f5b974cb 100
1da177e4
LT		 101#define dprintk(fmt, arg...) if (core_debug) \
102 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
103
1da177e4
LT		 104void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
105{
106 unsigned long mode,status;
107
108 if (!gpio_tracking)
109 return;
110 /* rising SAA7134_GPIO_GPRESCAN reads the status */
111 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
112 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
113 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
114 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
115 printk(KERN_DEBUG
116 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
117 dev->name, mode, (~mode) & status, mode & status, msg);
118}
119
120/* ------------------------------------------------------------------ */
121
1da177e4
LT		 122
123/* ----------------------------------------------------------- */
124/* delayed request_module */
125
fd1eab73 126#if defined(CONFIG_MODULES) && defined(MODULE)
1da177e4
LT		 127static int need_empress;
128static int need_dvb;
b54134be 129static int need_alsa;
4aabf633 130static int need_oss;
1da177e4
LT		 131
132static int pending_call(struct notifier_block *self, unsigned long state,
133 void *module)
134{
135 if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
136 return NOTIFY_DONE;
137
4ac97914
MCC		 138 if (need_empress)
139 request_module("saa7134-empress");
140 if (need_dvb)
141 request_module("saa7134-dvb");
b54134be
RC		 142 if (need_alsa)
143 request_module("saa7134-alsa");
4aabf633
RC		 144 if (need_oss)
145 request_module("saa7134-oss");
1da177e4
LT		 146 return NOTIFY_DONE;
147}
148
a5ed425c 149static int pending_registered;
1da177e4
LT		 150static struct notifier_block pending_notifier = {
151 .notifier_call = pending_call,
152};
153
154static void request_module_depend(char *name, int *flag)
155{
4aabf633 156 int err;
1da177e4
LT		 157 switch (THIS_MODULE->state) {
158 case MODULE_STATE_COMING:
159 if (!pending_registered) {
4aabf633 160 err = register_module_notifier(&pending_notifier);
1da177e4
LT		 161 pending_registered = 1;
162 }
163 *flag = 1;
164 break;
165 case MODULE_STATE_LIVE:
166 request_module(name);
167 break;
168 default:
169 /* nothing */;
170 break;
171 }
172}
173
174#else
1da177e4 175#define request_module_depend(name,flag)
1da177e4
LT		 176#endif /* CONFIG_MODULES */
177
178/* ------------------------------------------------------------------ */
179
180/* nr of (saa7134-)pages for the given buffer size */
181static int saa7134_buffer_pages(int size)
182{
183 size = PAGE_ALIGN(size);
184 size += PAGE_SIZE; /* for non-page-aligned buffers */
185 size /= 4096;
186 return size;
187}
188
189/* calc max # of buffers from size (must not exceed the 4MB virtual
190 * address space per DMA channel) */
191int saa7134_buffer_count(unsigned int size, unsigned int count)
192{
193 unsigned int maxcount;
194
195 maxcount = 1024 / saa7134_buffer_pages(size);
196 if (count > maxcount)
197 count = maxcount;
198 return count;
199}
200
201int saa7134_buffer_startpage(struct saa7134_buf *buf)
202{
203 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
204}
205
206unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
207{
208 unsigned long base;
209
210 base = saa7134_buffer_startpage(buf) * 4096;
211 base += buf->vb.dma.sglist[0].offset;
212 return base;
213}
214
215/* ------------------------------------------------------------------ */
216
217int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
218{
4ac97914
MCC		 219 __le32 *cpu;
220 dma_addr_t dma_addr;
1da177e4
LT		 221
222 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
223 if (NULL == cpu)
224 return -ENOMEM;
225 pt->size = SAA7134_PGTABLE_SIZE;
226 pt->cpu = cpu;
227 pt->dma = dma_addr;
228 return 0;
229}
230
231int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
232 struct scatterlist *list, unsigned int length,
233 unsigned int startpage)
234{
c9c12b79 235 __le32 *ptr;
1da177e4
LT		 236 unsigned int i,p;
237
238 BUG_ON(NULL == pt || NULL == pt->cpu);
239
240 ptr = pt->cpu + startpage;
241 for (i = 0; i < length; i++, list++)
242 for (p = 0; p * 4096 < list->length; p++, ptr++)
a20758fa 243 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
1da177e4
LT		 244 return 0;
245}
246
247void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
248{
249 if (NULL == pt->cpu)
250 return;
251 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
252 pt->cpu = NULL;
253}
254
255/* ------------------------------------------------------------------ */
256
c7b0ac05 257void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
1da177e4 258{
ae24601b 259 BUG_ON(in_interrupt());
1da177e4
LT		 260
261 videobuf_waiton(&buf->vb,0,0);
c7b0ac05 262 videobuf_dma_unmap(q, &buf->vb.dma);
1da177e4
LT		 263 videobuf_dma_free(&buf->vb.dma);
264 buf->vb.state = STATE_NEEDS_INIT;
265}
266
267/* ------------------------------------------------------------------ */
268
269int saa7134_buffer_queue(struct saa7134_dev *dev,
270 struct saa7134_dmaqueue *q,
271 struct saa7134_buf *buf)
272{
273 struct saa7134_buf *next = NULL;
274
275 assert_spin_locked(&dev->slock);
276 dprintk("buffer_queue %p\n",buf);
277 if (NULL == q->curr) {
278 if (!q->need_two) {
279 q->curr = buf;
280 buf->activate(dev,buf,NULL);
281 } else if (list_empty(&q->queue)) {
282 list_add_tail(&buf->vb.queue,&q->queue);
283 buf->vb.state = STATE_QUEUED;
284 } else {
285 next = list_entry(q->queue.next,struct saa7134_buf,
286 vb.queue);
287 q->curr = buf;
288 buf->activate(dev,buf,next);
289 }
290 } else {
291 list_add_tail(&buf->vb.queue,&q->queue);
292 buf->vb.state = STATE_QUEUED;
293 }
294 return 0;
295}
296
297void saa7134_buffer_finish(struct saa7134_dev *dev,
298 struct saa7134_dmaqueue *q,
299 unsigned int state)
300{
301 assert_spin_locked(&dev->slock);
302 dprintk("buffer_finish %p\n",q->curr);
303
304 /* finish current buffer */
305 q->curr->vb.state = state;
306 do_gettimeofday(&q->curr->vb.ts);
307 wake_up(&q->curr->vb.done);
308 q->curr = NULL;
309}
310
311void saa7134_buffer_next(struct saa7134_dev *dev,
312 struct saa7134_dmaqueue *q)
313{
314 struct saa7134_buf *buf,*next = NULL;
315
316 assert_spin_locked(&dev->slock);
317 BUG_ON(NULL != q->curr);
318
319 if (!list_empty(&q->queue)) {
320 /* activate next one from queue */
321 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
322 dprintk("buffer_next %p [prev=%p/next=%p]\n",
323 buf,q->queue.prev,q->queue.next);
324 list_del(&buf->vb.queue);
325 if (!list_empty(&q->queue))
326 next = list_entry(q->queue.next,struct saa7134_buf,
327 vb.queue);
328 q->curr = buf;
329 buf->activate(dev,buf,next);
330 dprintk("buffer_next #2 prev=%p/next=%p\n",
331 q->queue.prev,q->queue.next);
332 } else {
333 /* nothing to do -- just stop DMA */
334 dprintk("buffer_next %p\n",NULL);
335 saa7134_set_dmabits(dev);
336 del_timer(&q->timeout);
337 }
338}
339
340void saa7134_buffer_timeout(unsigned long data)
341{
342 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
343 struct saa7134_dev *dev = q->dev;
344 unsigned long flags;
345
346 spin_lock_irqsave(&dev->slock,flags);
347
348 /* try to reset the hardware (SWRST) */
349 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
350 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
351 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
352
353 /* flag current buffer as failed,
354 try to start over with the next one. */
355 if (q->curr) {
356 dprintk("timeout on %p\n",q->curr);
357 saa7134_buffer_finish(dev,q,STATE_ERROR);
358 }
359 saa7134_buffer_next(dev,q);
360 spin_unlock_irqrestore(&dev->slock,flags);
361}
362
363/* ------------------------------------------------------------------ */
364
365int saa7134_set_dmabits(struct saa7134_dev *dev)
366{
367 u32 split, task=0, ctrl=0, irq=0;
368 enum v4l2_field cap = V4L2_FIELD_ANY;
369 enum v4l2_field ov = V4L2_FIELD_ANY;
370
371 assert_spin_locked(&dev->slock);
372
373 /* video capture -- dma 0 + video task A */
374 if (dev->video_q.curr) {
375 task |= 0x01;
376 ctrl |= SAA7134_MAIN_CTRL_TE0;
377 irq |= SAA7134_IRQ1_INTE_RA0_1 |
378 SAA7134_IRQ1_INTE_RA0_0;
4ac97914 379 cap = dev->video_q.curr->vb.field;
1da177e4
LT		 380 }
381
382 /* video capture -- dma 1+2 (planar modes) */
383 if (dev->video_q.curr &&
384 dev->video_q.curr->fmt->planar) {
385 ctrl |= SAA7134_MAIN_CTRL_TE4 |
386 SAA7134_MAIN_CTRL_TE5;
387 }
388
389 /* screen overlay -- dma 0 + video task B */
390 if (dev->ovenable) {
391 task |= 0x10;
392 ctrl |= SAA7134_MAIN_CTRL_TE1;
393 ov = dev->ovfield;
394 }
395
396 /* vbi capture -- dma 0 + vbi task A+B */
397 if (dev->vbi_q.curr) {
398 task |= 0x22;
399 ctrl |= SAA7134_MAIN_CTRL_TE2 |
400 SAA7134_MAIN_CTRL_TE3;
401 irq |= SAA7134_IRQ1_INTE_RA0_7 |
402 SAA7134_IRQ1_INTE_RA0_6 |
403 SAA7134_IRQ1_INTE_RA0_5 |
404 SAA7134_IRQ1_INTE_RA0_4;
405 }
406
407 /* audio capture -- dma 3 */
b54134be 408 if (dev->dmasound.dma_running) {
1da177e4
LT		 409 ctrl |= SAA7134_MAIN_CTRL_TE6;
410 irq |= SAA7134_IRQ1_INTE_RA3_1 |
411 SAA7134_IRQ1_INTE_RA3_0;
412 }
413
414 /* TS capture -- dma 5 */
415 if (dev->ts_q.curr) {
416 ctrl |= SAA7134_MAIN_CTRL_TE5;
417 irq |= SAA7134_IRQ1_INTE_RA2_3 |
418 SAA7134_IRQ1_INTE_RA2_2 |
419 SAA7134_IRQ1_INTE_RA2_1 |
420 SAA7134_IRQ1_INTE_RA2_0;
421 }
422
423 /* set task conditions + field handling */
424 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
425 /* default config -- use full frames */
426 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
427 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
428 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
429 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
430 split = 0;
431 } else {
432 /* split fields between tasks */
433 if (V4L2_FIELD_TOP == cap) {
434 /* odd A, even B, repeat */
435 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
437 } else {
438 /* odd B, even A, repeat */
439 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
440 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
441 }
442 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
443 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
444 split = 1;
445 }
446
447 /* irqs */
448 saa_writeb(SAA7134_REGION_ENABLE, task);
449 saa_writel(SAA7134_IRQ1, irq);
450 saa_andorl(SAA7134_MAIN_CTRL,
451 SAA7134_MAIN_CTRL_TE0 |
452 SAA7134_MAIN_CTRL_TE1 |
453 SAA7134_MAIN_CTRL_TE2 |
454 SAA7134_MAIN_CTRL_TE3 |
455 SAA7134_MAIN_CTRL_TE4 |
456 SAA7134_MAIN_CTRL_TE5 |
457 SAA7134_MAIN_CTRL_TE6,
458 ctrl);
459 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
460 task, ctrl, irq, split ? "no" : "yes");
461
462 return 0;
463}
464
465/* ------------------------------------------------------------------ */
466/* IRQ handler + helpers */
467
468static char *irqbits[] = {
469 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
470 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
471 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
472 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
473};
474#define IRQBITS ARRAY_SIZE(irqbits)
475
476static void print_irqstatus(struct saa7134_dev *dev, int loop,
477 unsigned long report, unsigned long status)
478{
479 unsigned int i;
480
481 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
482 dev->name,loop,jiffies,report,status);
483 for (i = 0; i < IRQBITS; i++) {
484 if (!(report & (1 << i)))
485 continue;
486 printk(" %s",irqbits[i]);
487 }
488 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
489 printk(" | RA0=%s,%s,%s,%ld",
490 (status & 0x40) ? "vbi" : "video",
491 (status & 0x20) ? "b" : "a",
492 (status & 0x10) ? "odd" : "even",
493 (status & 0x0f));
494 }
495 printk("\n");
496}
497
7d12e780 498static irqreturn_t saa7134_irq(int irq, void *dev_id)
1da177e4
LT		 499{
500 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
501 unsigned long report,status;
502 int loop, handled = 0;
503
504 for (loop = 0; loop < 10; loop++) {
505 report = saa_readl(SAA7134_IRQ_REPORT);
506 status = saa_readl(SAA7134_IRQ_STATUS);
507 if (0 == report) {
508 if (irq_debug > 1)
509 printk(KERN_DEBUG "%s/irq: no (more) work\n",
510 dev->name);
511 goto out;
512 }
79dd0c69 513
4aabf633
RC		 514 /* If dmasound support is active and we get a sound report, exit
515 and let the saa7134-alsa/oss module deal with it */
79dd0c69 516
4aabf633
RC		 517 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
518 (dev->dmasound.priv_data != NULL) )
519 {
79dd0c69 520 if (irq_debug > 1)
4aabf633 521 printk(KERN_DEBUG "%s/irq: ignoring interrupt for DMA sound\n",
79dd0c69
RC		 522 dev->name);
523 goto out;
524 }
525
1da177e4
LT		 526 handled = 1;
527 saa_writel(SAA7134_IRQ_REPORT,report);
528 if (irq_debug)
529 print_irqstatus(dev,loop,report,status);
530
1da177e4
LT		 531
532 if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
533 saa7134_irq_video_intl(dev);
534
535 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
536 (status & 0x60) == 0)
537 saa7134_irq_video_done(dev,status);
538
539 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
540 (status & 0x40) == 0x40)
541 saa7134_irq_vbi_done(dev,status);
542
543 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
544 card_has_mpeg(dev))
545 saa7134_irq_ts_done(dev,status);
546
0602fbb2
PM		 547 if (report & SAA7134_IRQ_REPORT_GPIO16) {
548 switch (dev->has_remote) {
549 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 550 if (!dev->remote)
551 break;
0602fbb2
PM		 552 if (dev->remote->mask_keydown & 0x10000) {
553 saa7134_input_irq(dev);
554 }
555 break;
556
557 case SAA7134_REMOTE_I2C:
558 break; /* FIXME: invoke I2C get_key() */
559
560 default: /* GPIO16 not used by IR remote */
561 break;
562 }
563 }
bd15eba3 564
0602fbb2
PM		 565 if (report & SAA7134_IRQ_REPORT_GPIO18) {
566 switch (dev->has_remote) {
567 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 568 if (!dev->remote)
569 break;
0602fbb2
PM		 570 if ((dev->remote->mask_keydown & 0x40000) ||
571 (dev->remote->mask_keyup & 0x40000)) {
572 saa7134_input_irq(dev);
573 }
574 break;
575
576 case SAA7134_REMOTE_I2C:
577 break; /* FIXME: invoke I2C get_key() */
578
579 default: /* GPIO18 not used by IR remote */
580 break;
581 }
582 }
1da177e4
LT		 583 }
584
585 if (10 == loop) {
586 print_irqstatus(dev,loop,report,status);
587 if (report & SAA7134_IRQ_REPORT_PE) {
588 /* disable all parity error */
589 printk(KERN_WARNING "%s/irq: looping -- "
590 "clearing PE (parity error!) enable bit\n",dev->name);
591 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
0602fbb2
PM		 592 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
593 /* disable gpio16 IRQ */
1da177e4 594 printk(KERN_WARNING "%s/irq: looping -- "
0602fbb2
PM		 595 "clearing GPIO16 enable bit\n",dev->name);
596 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
597 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
598 /* disable gpio18 IRQs */
599 printk(KERN_WARNING "%s/irq: looping -- "
600 "clearing GPIO18 enable bit\n",dev->name);
601 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1da177e4
LT		 602 } else {
603 /* disable all irqs */
604 printk(KERN_WARNING "%s/irq: looping -- "
605 "clearing all enable bits\n",dev->name);
606 saa_writel(SAA7134_IRQ1,0);
607 saa_writel(SAA7134_IRQ2,0);
608 }
609 }
610
611 out:
612 return IRQ_RETVAL(handled);
613}
614
615/* ------------------------------------------------------------------ */
616
617/* early init (no i2c, no irq) */
618static int saa7134_hwinit1(struct saa7134_dev *dev)
619{
620 dprintk("hwinit1\n");
621
622 saa_writel(SAA7134_IRQ1, 0);
623 saa_writel(SAA7134_IRQ2, 0);
3593cab5 624 mutex_init(&dev->lock);
1da177e4
LT		 625 spin_lock_init(&dev->slock);
626
627 saa7134_track_gpio(dev,"pre-init");
628 saa7134_video_init1(dev);
629 saa7134_vbi_init1(dev);
630 if (card_has_mpeg(dev))
631 saa7134_ts_init1(dev);
632 saa7134_input_init1(dev);
633
1da177e4
LT		 634 /* RAM FIFO config */
635 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
636 saa_writel(SAA7134_THRESHOULD,0x02020202);
637
638 /* enable audio + video processing */
639 saa_writel(SAA7134_MAIN_CTRL,
640 SAA7134_MAIN_CTRL_VPLLE |
641 SAA7134_MAIN_CTRL_APLLE |
642 SAA7134_MAIN_CTRL_EXOSC |
643 SAA7134_MAIN_CTRL_EVFE1 |
644 SAA7134_MAIN_CTRL_EVFE2 |
645 SAA7134_MAIN_CTRL_ESFE |
1da177e4
LT		 646 SAA7134_MAIN_CTRL_EBDAC);
647
17a05ef3
NS		 648 /*
649 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
650 * OSS initialization writes to registers via the audio DSP; these
651 * writes will fail unless the audio clock has been started. At worst,
652 * audio will not work.
653 */
654
1da177e4
LT		 655 /* enable peripheral devices */
656 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
657
658 /* set vertical line numbering start (vbi needs this) */
659 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
660
661 return 0;
662}
663
664/* late init (with i2c + irq) */
665static int saa7134_hwinit2(struct saa7134_dev *dev)
666{
330a115a 667 unsigned int irq2_mask;
1da177e4
LT		 668 dprintk("hwinit2\n");
669
670 saa7134_video_init2(dev);
671 saa7134_tvaudio_init2(dev);
672
673 /* enable IRQ's */
4ac97914 674 irq2_mask =
330a115a
MCC		 675 SAA7134_IRQ2_INTE_DEC3 |
676 SAA7134_IRQ2_INTE_DEC2 |
677 SAA7134_IRQ2_INTE_DEC1 |
678 SAA7134_IRQ2_INTE_DEC0 |
679 SAA7134_IRQ2_INTE_PE |
680 SAA7134_IRQ2_INTE_AR;
681
7a766f9d 682 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
0602fbb2
PM		 683 if (dev->remote->mask_keydown & 0x10000)
684 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
685 else if (dev->remote->mask_keydown & 0x40000)
686 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
687 else if (dev->remote->mask_keyup & 0x40000)
688 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
689 }
330a115a 690
1da177e4 691 saa_writel(SAA7134_IRQ1, 0);
330a115a 692 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 693
694 return 0;
695}
696
697/* shutdown */
698static int saa7134_hwfini(struct saa7134_dev *dev)
699{
700 dprintk("hwfini\n");
701
1da177e4
LT		 702 if (card_has_mpeg(dev))
703 saa7134_ts_fini(dev);
704 saa7134_input_fini(dev);
705 saa7134_vbi_fini(dev);
706 saa7134_video_fini(dev);
707 saa7134_tvaudio_fini(dev);
708 return 0;
709}
710
711static void __devinit must_configure_manually(void)
712{
713 unsigned int i,p;
714
715 printk(KERN_WARNING
716 "saa7134: <rant>\n"
717 "saa7134: Congratulations! Your TV card vendor saved a few\n"
718 "saa7134: cents for a eeprom, thus your pci board has no\n"
719 "saa7134: subsystem ID and I can't identify it automatically\n"
720 "saa7134: </rant>\n"
721 "saa7134: I feel better now. Ok, here are the good news:\n"
722 "saa7134: You can use the card=<nr> insmod option to specify\n"
723 "saa7134: which board do you have. The list:\n");
724 for (i = 0; i < saa7134_bcount; i++) {
725 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
726 i,saa7134_boards[i].name);
727 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
728 if (saa7134_pci_tbl[p].driver_data != i)
729 continue;
730 printk(" %04x:%04x",
731 saa7134_pci_tbl[p].subvendor,
732 saa7134_pci_tbl[p].subdevice);
733 }
734 printk("\n");
735 }
736}
737
738static struct video_device *vdev_init(struct saa7134_dev *dev,
739 struct video_device *template,
740 char *type)
741{
742 struct video_device *vfd;
743
744 vfd = video_device_alloc();
745 if (NULL == vfd)
746 return NULL;
747 *vfd = *template;
748 vfd->minor = -1;
749 vfd->dev = &dev->pci->dev;
750 vfd->release = video_device_release;
751 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
752 dev->name, type, saa7134_boards[dev->board].name);
753 return vfd;
754}
755
756static void saa7134_unregister_video(struct saa7134_dev *dev)
757{
758 if (dev->video_dev) {
759 if (-1 != dev->video_dev->minor)
760 video_unregister_device(dev->video_dev);
761 else
762 video_device_release(dev->video_dev);
763 dev->video_dev = NULL;
764 }
765 if (dev->vbi_dev) {
766 if (-1 != dev->vbi_dev->minor)
767 video_unregister_device(dev->vbi_dev);
768 else
769 video_device_release(dev->vbi_dev);
770 dev->vbi_dev = NULL;
771 }
772 if (dev->radio_dev) {
773 if (-1 != dev->radio_dev->minor)
774 video_unregister_device(dev->radio_dev);
775 else
776 video_device_release(dev->radio_dev);
777 dev->radio_dev = NULL;
778 }
779}
780
781static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
782 struct saa7134_dev *dev)
783{
784 int err;
785
786 if (NULL != dev->mops)
787 return;
788 if (saa7134_boards[dev->board].mpeg != ops->type)
789 return;
790 err = ops->init(dev);
791 if (0 != err)
792 return;
793 dev->mops = ops;
794}
795
796static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
797 struct saa7134_dev *dev)
798{
799 if (NULL == dev->mops)
800 return;
801 if (dev->mops != ops)
802 return;
803 dev->mops->fini(dev);
804 dev->mops = NULL;
805}
806
807static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
808 const struct pci_device_id *pci_id)
809{
810 struct saa7134_dev *dev;
811 struct list_head *item;
812 struct saa7134_mpeg_ops *mops;
813 int err;
814
7408187d 815 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1da177e4
LT		 816 if (NULL == dev)
817 return -ENOMEM;
1da177e4
LT		 818
819 /* pci init */
820 dev->pci = pci_dev;
821 if (pci_enable_device(pci_dev)) {
822 err = -EIO;
823 goto fail1;
824 }
825
826 dev->nr = saa7134_devcount;
827 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
828
829 /* pci quirks */
830 if (pci_pci_problems) {
831 if (pci_pci_problems & PCIPCI_TRITON)
832 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
833 if (pci_pci_problems & PCIPCI_NATOMA)
834 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
835 if (pci_pci_problems & PCIPCI_VIAETBF)
836 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
837 if (pci_pci_problems & PCIPCI_VSFX)
838 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
839#ifdef PCIPCI_ALIMAGIK
840 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
841 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
842 dev->name);
843 latency = 0x0A;
844 }
845#endif
3d265c96 846 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
9050d942
MCC		 847 printk(KERN_INFO "%s: quirk: this driver and your "
848 "chipset may not work together"
849 " in overlay mode.\n",dev->name);
ecb73774 850 if (!saa7134_no_overlay) {
9050d942
MCC		 851 printk(KERN_INFO "%s: quirk: overlay "
852 "mode will be disabled.\n",
853 dev->name);
ecb73774 854 saa7134_no_overlay = 1;
9050d942
MCC		 855 } else {
856 printk(KERN_INFO "%s: quirk: overlay "
857 "mode will be forced. Use this"
858 " option at your own risk.\n",
859 dev->name);
860 }
861 }
1da177e4
LT		 862 }
863 if (UNSET != latency) {
864 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
865 dev->name,latency);
866 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
867 }
868
869 /* print pci info */
870 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
4ac97914
MCC		 871 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
872 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
228aef63 873 "latency: %d, mmio: 0x%llx\n", dev->name,
1da177e4 874 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
228aef63 875 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4 876 pci_set_master(pci_dev);
56b146d3 877 if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
1da177e4
LT		 878 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
879 err = -EIO;
880 goto fail1;
881 }
882
883 /* board config */
884 dev->board = pci_id->driver_data;
885 if (card[dev->nr] >= 0 &&
886 card[dev->nr] < saa7134_bcount)
887 dev->board = card[dev->nr];
888 if (SAA7134_BOARD_NOAUTO == dev->board) {
889 must_configure_manually();
890 dev->board = SAA7134_BOARD_UNKNOWN;
891 }
892 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
893 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
894 if (UNSET != tuner[dev->nr])
895 dev->tuner_type = tuner[dev->nr];
4ac97914 896 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
1da177e4
LT		 897 dev->name,pci_dev->subsystem_vendor,
898 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
899 dev->board, card[dev->nr] == dev->board ?
900 "insmod option" : "autodetected");
901
902 /* get mmio */
903 if (!request_mem_region(pci_resource_start(pci_dev,0),
904 pci_resource_len(pci_dev,0),
905 dev->name)) {
906 err = -EBUSY;
228aef63
GKH		 907 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
908 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4
LT		 909 goto fail1;
910 }
911 dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
912 dev->bmmio = (__u8 __iomem *)dev->lmmio;
913 if (NULL == dev->lmmio) {
914 err = -EIO;
915 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
916 dev->name);
917 goto fail2;
918 }
919
920 /* initialize hardware #1 */
1da177e4
LT		 921 saa7134_board_init1(dev);
922 saa7134_hwinit1(dev);
923
924 /* get irq */
925 err = request_irq(pci_dev->irq, saa7134_irq,
8076fe32 926 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1da177e4
LT		 927 if (err < 0) {
928 printk(KERN_ERR "%s: can't get IRQ %d\n",
929 dev->name,pci_dev->irq);
930 goto fail3;
931 }
932
933 /* wait a bit, register i2c bus */
934 msleep(100);
935 saa7134_i2c_register(dev);
936
937 /* initialize hardware #2 */
938 saa7134_board_init2(dev);
939 saa7134_hwinit2(dev);
940
941 /* load i2c helpers */
942 if (TUNER_ABSENT != dev->tuner_type)
943 request_module("tuner");
4ac97914 944 if (card_is_empress(dev)) {
1da177e4
LT		 945 request_module("saa6752hs");
946 request_module_depend("saa7134-empress",&need_empress);
947 }
330a115a 948
4ac97914 949 if (card_is_dvb(dev))
1da177e4
LT		 950 request_module_depend("saa7134-dvb",&need_dvb);
951
4aabf633
RC		 952
953 if (alsa)
b54134be 954 request_module_depend("saa7134-alsa",&need_alsa);
b54134be 955
4aabf633
RC		 956 if (oss)
957 request_module_depend("saa7134-oss",&need_oss);
b54134be 958
1da177e4
LT		 959 v4l2_prio_init(&dev->prio);
960
961 /* register v4l devices */
ecb73774
MCC		 962 if (saa7134_no_overlay <= 0) {
963 saa7134_video_template.type |= VID_TYPE_OVERLAY;
964 } else {
fa3fcceb 965 printk("%s: Overlay support disabled.\n",dev->name);
ecb73774 966 }
1da177e4
LT		 967 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
968 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
969 video_nr[dev->nr]);
970 if (err < 0) {
971 printk(KERN_INFO "%s: can't register video device\n",
972 dev->name);
973 goto fail4;
974 }
975 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
976 dev->name,dev->video_dev->minor & 0x1f);
977
978 dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
979 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
980 vbi_nr[dev->nr]);
981 if (err < 0)
982 goto fail4;
983 printk(KERN_INFO "%s: registered device vbi%d\n",
984 dev->name,dev->vbi_dev->minor & 0x1f);
985
986 if (card_has_radio(dev)) {
987 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
988 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
989 radio_nr[dev->nr]);
990 if (err < 0)
991 goto fail4;
992 printk(KERN_INFO "%s: registered device radio%d\n",
993 dev->name,dev->radio_dev->minor & 0x1f);
994 }
995
1da177e4
LT		 996 /* everything worked */
997 pci_set_drvdata(pci_dev,dev);
998 saa7134_devcount++;
999
1e4baed3 1000 mutex_lock(&devlist_lock);
1da177e4
LT		 1001 list_for_each(item,&mops_list) {
1002 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1003 mpeg_ops_attach(mops, dev);
1004 }
1005 list_add_tail(&dev->devlist,&saa7134_devlist);
1e4baed3 1006 mutex_unlock(&devlist_lock);
1da177e4
LT		 1007
1008 /* check for signal */
1009 saa7134_irq_video_intl(dev);
c817e763 1010
78457018
AB		 1011 if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1012 saa7134_dmasound_init(dev);
f5b974cb
RC		 1013 }
1014
1da177e4
LT		 1015 return 0;
1016
1da177e4
LT		 1017 fail4:
1018 saa7134_unregister_video(dev);
1019 saa7134_i2c_unregister(dev);
1020 free_irq(pci_dev->irq, dev);
1021 fail3:
1022 saa7134_hwfini(dev);
1023 iounmap(dev->lmmio);
1024 fail2:
1025 release_mem_region(pci_resource_start(pci_dev,0),
1026 pci_resource_len(pci_dev,0));
1027 fail1:
1028 kfree(dev);
1029 return err;
1030}
1031
1032static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1033{
4ac97914 1034 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1da177e4
LT		 1035 struct list_head *item;
1036 struct saa7134_mpeg_ops *mops;
1037
f5b974cb 1038 /* Release DMA sound modules if present */
78457018
AB		 1039 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1040 saa7134_dmasound_exit(dev);
f5b974cb
RC		 1041 }
1042
1da177e4
LT		 1043 /* debugging ... */
1044 if (irq_debug) {
1045 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1046 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1047 print_irqstatus(dev,42,report,status);
1048 }
1049
1050 /* disable peripheral devices */
1051 saa_writeb(SAA7134_SPECIAL_MODE,0);
1052
1053 /* shutdown hardware */
1054 saa_writel(SAA7134_IRQ1,0);
1055 saa_writel(SAA7134_IRQ2,0);
1056 saa_writel(SAA7134_MAIN_CTRL,0);
1057
1058 /* shutdown subsystems */
1059 saa7134_hwfini(dev);
1060
1061 /* unregister */
1e4baed3 1062 mutex_lock(&devlist_lock);
1da177e4
LT		 1063 list_del(&dev->devlist);
1064 list_for_each(item,&mops_list) {
1065 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1066 mpeg_ops_detach(mops, dev);
1067 }
1e4baed3 1068 mutex_unlock(&devlist_lock);
1da177e4
LT		 1069 saa7134_devcount--;
1070
1071 saa7134_i2c_unregister(dev);
1da177e4
LT		 1072 saa7134_unregister_video(dev);
1073
f5b974cb 1074
4aabf633
RC		 1075 /* the DMA sound modules should be unloaded before reaching
1076 this, but just in case they are still present... */
1077 if (dev->dmasound.priv_data != NULL) {
1078 free_irq(pci_dev->irq, &dev->dmasound);
1079 dev->dmasound.priv_data = NULL;
1080 }
1081
f5b974cb 1082
4aabf633 1083 /* release resources */
1da177e4
LT		 1084 free_irq(pci_dev->irq, dev);
1085 iounmap(dev->lmmio);
1086 release_mem_region(pci_resource_start(pci_dev,0),
1087 pci_resource_len(pci_dev,0));
1088
1da177e4
LT		 1089 pci_set_drvdata(pci_dev, NULL);
1090
1091 /* free memory */
1092 kfree(dev);
1093}
1094
1095/* ----------------------------------------------------------- */
1096
1097int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1098{
1099 struct list_head *item;
1100 struct saa7134_dev *dev;
1101
1e4baed3 1102 mutex_lock(&devlist_lock);
1da177e4
LT		 1103 list_for_each(item,&saa7134_devlist) {
1104 dev = list_entry(item, struct saa7134_dev, devlist);
1105 mpeg_ops_attach(ops, dev);
1106 }
1107 list_add_tail(&ops->next,&mops_list);
1e4baed3 1108 mutex_unlock(&devlist_lock);
1da177e4
LT		 1109 return 0;
1110}
1111
1112void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1113{
1114 struct list_head *item;
1115 struct saa7134_dev *dev;
1116
1e4baed3 1117 mutex_lock(&devlist_lock);
1da177e4
LT		 1118 list_del(&ops->next);
1119 list_for_each(item,&saa7134_devlist) {
1120 dev = list_entry(item, struct saa7134_dev, devlist);
1121 mpeg_ops_detach(ops, dev);
1122 }
1e4baed3 1123 mutex_unlock(&devlist_lock);
1da177e4
LT		 1124}
1125
1126EXPORT_SYMBOL(saa7134_ts_register);
1127EXPORT_SYMBOL(saa7134_ts_unregister);
1128
1129/* ----------------------------------------------------------- */
1130
1131static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1132 .name = "saa7134",
1133 .id_table = saa7134_pci_tbl,
1134 .probe = saa7134_initdev,
1135 .remove = __devexit_p(saa7134_finidev),
1da177e4
LT		 1136};
1137
1138static int saa7134_init(void)
1139{
1140 INIT_LIST_HEAD(&saa7134_devlist);
1141 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1142 (SAA7134_VERSION_CODE >> 16) & 0xff,
1143 (SAA7134_VERSION_CODE >> 8) & 0xff,
1144 SAA7134_VERSION_CODE & 0xff);
1145#ifdef SNAPSHOT
1146 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1147 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1148#endif
2304759d 1149 return pci_register_driver(&saa7134_pci_driver);
1da177e4
LT		 1150}
1151
1152static void saa7134_fini(void)
1153{
fd1eab73 1154#if defined(CONFIG_MODULES) && defined(MODULE)
1da177e4
LT		 1155 if (pending_registered)
1156 unregister_module_notifier(&pending_notifier);
fd1eab73 1157#endif /* CONFIG_MODULES */
1da177e4
LT		 1158 pci_unregister_driver(&saa7134_pci_driver);
1159}
1160
1161module_init(saa7134_init);
1162module_exit(saa7134_fini);
1163
1164/* ----------------------------------------------------------- */
1165
1da177e4
LT		 1166EXPORT_SYMBOL(saa7134_i2c_call_clients);
1167EXPORT_SYMBOL(saa7134_devlist);
1168EXPORT_SYMBOL(saa7134_boards);
1169
4aabf633 1170/* ----------------- for the DMA sound modules --------------- */
79dd0c69 1171
78457018
AB		 1172EXPORT_SYMBOL(saa7134_dmasound_init);
1173EXPORT_SYMBOL(saa7134_dmasound_exit);
79dd0c69
RC		 1174EXPORT_SYMBOL(saa7134_pgtable_free);
1175EXPORT_SYMBOL(saa7134_pgtable_build);
1176EXPORT_SYMBOL(saa7134_pgtable_alloc);
1177EXPORT_SYMBOL(saa7134_set_dmabits);
1178
1da177e4
LT		 1179/* ----------------------------------------------------------- */
1180/*
1181 * Local variables:
1182 * c-basic-offset: 8
1183 * End:
1184 */
kernel source for telekom puls (alcatel/mediatek)