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irq: Better struct irqaction layout
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / saa7134 / saa7134-core.c
1 /*
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
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/kmod.h>
29 #include <linux/sound.h>
30 #include <linux/interrupt.h>
31 #include <linux/delay.h>
32 #include <linux/mutex.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/pm.h>
35
36 #include "saa7134-reg.h"
37 #include "saa7134.h"
38
39 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
40 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
41 MODULE_LICENSE("GPL");
42
43 /* ------------------------------------------------------------------ */
44
45 static unsigned int irq_debug;
46 module_param(irq_debug, int, 0644);
47 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
48
49 static unsigned int core_debug;
50 module_param(core_debug, int, 0644);
51 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
52
53 static unsigned int gpio_tracking;
54 module_param(gpio_tracking, int, 0644);
55 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
56
57 static unsigned int alsa = 1;
58 module_param(alsa, int, 0644);
59 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
60
61 static unsigned int latency = UNSET;
62 module_param(latency, int, 0444);
63 MODULE_PARM_DESC(latency,"pci latency timer");
64
65 int saa7134_no_overlay=-1;
66 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
67 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
68 " [some VIA/SIS chipsets are known to have problem with overlay]");
69
70 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
71 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
72 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
73 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
74 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75
76
77 module_param_array(video_nr, int, NULL, 0444);
78 module_param_array(vbi_nr, int, NULL, 0444);
79 module_param_array(radio_nr, int, NULL, 0444);
80 module_param_array(tuner, int, NULL, 0444);
81 module_param_array(card, int, NULL, 0444);
82
83 MODULE_PARM_DESC(video_nr, "video device number");
84 MODULE_PARM_DESC(vbi_nr, "vbi device number");
85 MODULE_PARM_DESC(radio_nr, "radio device number");
86 MODULE_PARM_DESC(tuner, "tuner type");
87 MODULE_PARM_DESC(card, "card type");
88
89 DEFINE_MUTEX(saa7134_devlist_lock);
90 EXPORT_SYMBOL(saa7134_devlist_lock);
91 LIST_HEAD(saa7134_devlist);
92 EXPORT_SYMBOL(saa7134_devlist);
93 static LIST_HEAD(mops_list);
94 static unsigned int saa7134_devcount;
95
96 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
97 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
98
99 #define dprintk(fmt, arg...) if (core_debug) \
100 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
101
102 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
103 {
104 unsigned long mode,status;
105
106 if (!gpio_tracking)
107 return;
108 /* rising SAA7134_GPIO_GPRESCAN reads the status */
109 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
110 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
111 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
112 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
113 printk(KERN_DEBUG
114 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
115 dev->name, mode, (~mode) & status, mode & status, msg);
116 }
117
118 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
119 {
120 u32 index, bitval;
121
122 index = 1 << bit_no;
123 switch (value) {
124 case 0: /* static value */
125 case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
126 /* turn sync mode off if necessary */
127 if (index & 0x00c00000)
128 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
129 if (value)
130 bitval = index;
131 else
132 bitval = 0;
133 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
134 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
135 break;
136 case 3: /* tristate */
137 dprintk("setting GPIO%d to tristate\n", bit_no);
138 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
139 break;
140 }
141 }
142
143 /* ------------------------------------------------------------------ */
144
145
146 /* ----------------------------------------------------------- */
147 /* delayed request_module */
148
149 #if defined(CONFIG_MODULES) && defined(MODULE)
150
151 static void request_module_async(struct work_struct *work){
152 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
153 if (card_is_empress(dev))
154 request_module("saa7134-empress");
155 if (card_is_dvb(dev))
156 request_module("saa7134-dvb");
157 if (alsa) {
158 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
159 request_module("saa7134-alsa");
160 }
161 }
162
163 static void request_submodules(struct saa7134_dev *dev)
164 {
165 INIT_WORK(&dev->request_module_wk, request_module_async);
166 schedule_work(&dev->request_module_wk);
167 }
168
169 #else
170 #define request_submodules(dev)
171 #endif /* CONFIG_MODULES */
172
173 /* ------------------------------------------------------------------ */
174
175 /* nr of (saa7134-)pages for the given buffer size */
176 static int saa7134_buffer_pages(int size)
177 {
178 size = PAGE_ALIGN(size);
179 size += PAGE_SIZE; /* for non-page-aligned buffers */
180 size /= 4096;
181 return size;
182 }
183
184 /* calc max # of buffers from size (must not exceed the 4MB virtual
185 * address space per DMA channel) */
186 int saa7134_buffer_count(unsigned int size, unsigned int count)
187 {
188 unsigned int maxcount;
189
190 maxcount = 1024 / saa7134_buffer_pages(size);
191 if (count > maxcount)
192 count = maxcount;
193 return count;
194 }
195
196 int saa7134_buffer_startpage(struct saa7134_buf *buf)
197 {
198 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
199 }
200
201 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
202 {
203 unsigned long base;
204 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
205
206 base = saa7134_buffer_startpage(buf) * 4096;
207 base += dma->sglist[0].offset;
208 return base;
209 }
210
211 /* ------------------------------------------------------------------ */
212
213 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
214 {
215 __le32 *cpu;
216 dma_addr_t dma_addr = 0;
217
218 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
219 if (NULL == cpu)
220 return -ENOMEM;
221 pt->size = SAA7134_PGTABLE_SIZE;
222 pt->cpu = cpu;
223 pt->dma = dma_addr;
224 return 0;
225 }
226
227 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
228 struct scatterlist *list, unsigned int length,
229 unsigned int startpage)
230 {
231 __le32 *ptr;
232 unsigned int i,p;
233
234 BUG_ON(NULL == pt || NULL == pt->cpu);
235
236 ptr = pt->cpu + startpage;
237 for (i = 0; i < length; i++, list++)
238 for (p = 0; p * 4096 < list->length; p++, ptr++)
239 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
240 return 0;
241 }
242
243 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
244 {
245 if (NULL == pt->cpu)
246 return;
247 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
248 pt->cpu = NULL;
249 }
250
251 /* ------------------------------------------------------------------ */
252
253 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
254 {
255 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
256 BUG_ON(in_interrupt());
257
258 videobuf_waiton(q, &buf->vb, 0, 0);
259 videobuf_dma_unmap(q->dev, dma);
260 videobuf_dma_free(dma);
261 buf->vb.state = VIDEOBUF_NEEDS_INIT;
262 }
263
264 /* ------------------------------------------------------------------ */
265
266 int saa7134_buffer_queue(struct saa7134_dev *dev,
267 struct saa7134_dmaqueue *q,
268 struct saa7134_buf *buf)
269 {
270 struct saa7134_buf *next = NULL;
271
272 assert_spin_locked(&dev->slock);
273 dprintk("buffer_queue %p\n",buf);
274 if (NULL == q->curr) {
275 if (!q->need_two) {
276 q->curr = buf;
277 buf->activate(dev,buf,NULL);
278 } else if (list_empty(&q->queue)) {
279 list_add_tail(&buf->vb.queue,&q->queue);
280 buf->vb.state = VIDEOBUF_QUEUED;
281 } else {
282 next = list_entry(q->queue.next,struct saa7134_buf,
283 vb.queue);
284 q->curr = buf;
285 buf->activate(dev,buf,next);
286 }
287 } else {
288 list_add_tail(&buf->vb.queue,&q->queue);
289 buf->vb.state = VIDEOBUF_QUEUED;
290 }
291 return 0;
292 }
293
294 void saa7134_buffer_finish(struct saa7134_dev *dev,
295 struct saa7134_dmaqueue *q,
296 unsigned int state)
297 {
298 assert_spin_locked(&dev->slock);
299 dprintk("buffer_finish %p\n",q->curr);
300
301 /* finish current buffer */
302 q->curr->vb.state = state;
303 do_gettimeofday(&q->curr->vb.ts);
304 wake_up(&q->curr->vb.done);
305 q->curr = NULL;
306 }
307
308 void saa7134_buffer_next(struct saa7134_dev *dev,
309 struct saa7134_dmaqueue *q)
310 {
311 struct saa7134_buf *buf,*next = NULL;
312
313 assert_spin_locked(&dev->slock);
314 BUG_ON(NULL != q->curr);
315
316 if (!list_empty(&q->queue)) {
317 /* activate next one from queue */
318 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
319 dprintk("buffer_next %p [prev=%p/next=%p]\n",
320 buf,q->queue.prev,q->queue.next);
321 list_del(&buf->vb.queue);
322 if (!list_empty(&q->queue))
323 next = list_entry(q->queue.next,struct saa7134_buf,
324 vb.queue);
325 q->curr = buf;
326 buf->activate(dev,buf,next);
327 dprintk("buffer_next #2 prev=%p/next=%p\n",
328 q->queue.prev,q->queue.next);
329 } else {
330 /* nothing to do -- just stop DMA */
331 dprintk("buffer_next %p\n",NULL);
332 saa7134_set_dmabits(dev);
333 del_timer(&q->timeout);
334
335 if (card_has_mpeg(dev))
336 if (dev->ts_started)
337 saa7134_ts_stop(dev);
338 }
339 }
340
341 void saa7134_buffer_timeout(unsigned long data)
342 {
343 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
344 struct saa7134_dev *dev = q->dev;
345 unsigned long flags;
346
347 spin_lock_irqsave(&dev->slock,flags);
348
349 /* try to reset the hardware (SWRST) */
350 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
351 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
352 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
353
354 /* flag current buffer as failed,
355 try to start over with the next one. */
356 if (q->curr) {
357 dprintk("timeout on %p\n",q->curr);
358 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
359 }
360 saa7134_buffer_next(dev,q);
361 spin_unlock_irqrestore(&dev->slock,flags);
362 }
363
364 /* ------------------------------------------------------------------ */
365
366 int saa7134_set_dmabits(struct saa7134_dev *dev)
367 {
368 u32 split, task=0, ctrl=0, irq=0;
369 enum v4l2_field cap = V4L2_FIELD_ANY;
370 enum v4l2_field ov = V4L2_FIELD_ANY;
371
372 assert_spin_locked(&dev->slock);
373
374 if (dev->insuspend)
375 return 0;
376
377 /* video capture -- dma 0 + video task A */
378 if (dev->video_q.curr) {
379 task |= 0x01;
380 ctrl |= SAA7134_MAIN_CTRL_TE0;
381 irq |= SAA7134_IRQ1_INTE_RA0_1 |
382 SAA7134_IRQ1_INTE_RA0_0;
383 cap = dev->video_q.curr->vb.field;
384 }
385
386 /* video capture -- dma 1+2 (planar modes) */
387 if (dev->video_q.curr &&
388 dev->video_q.curr->fmt->planar) {
389 ctrl |= SAA7134_MAIN_CTRL_TE4 |
390 SAA7134_MAIN_CTRL_TE5;
391 }
392
393 /* screen overlay -- dma 0 + video task B */
394 if (dev->ovenable) {
395 task |= 0x10;
396 ctrl |= SAA7134_MAIN_CTRL_TE1;
397 ov = dev->ovfield;
398 }
399
400 /* vbi capture -- dma 0 + vbi task A+B */
401 if (dev->vbi_q.curr) {
402 task |= 0x22;
403 ctrl |= SAA7134_MAIN_CTRL_TE2 |
404 SAA7134_MAIN_CTRL_TE3;
405 irq |= SAA7134_IRQ1_INTE_RA0_7 |
406 SAA7134_IRQ1_INTE_RA0_6 |
407 SAA7134_IRQ1_INTE_RA0_5 |
408 SAA7134_IRQ1_INTE_RA0_4;
409 }
410
411 /* audio capture -- dma 3 */
412 if (dev->dmasound.dma_running) {
413 ctrl |= SAA7134_MAIN_CTRL_TE6;
414 irq |= SAA7134_IRQ1_INTE_RA3_1 |
415 SAA7134_IRQ1_INTE_RA3_0;
416 }
417
418 /* TS capture -- dma 5 */
419 if (dev->ts_q.curr) {
420 ctrl |= SAA7134_MAIN_CTRL_TE5;
421 irq |= SAA7134_IRQ1_INTE_RA2_1 |
422 SAA7134_IRQ1_INTE_RA2_0;
423 }
424
425 /* set task conditions + field handling */
426 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
427 /* default config -- use full frames */
428 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
429 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
430 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
431 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
432 split = 0;
433 } else {
434 /* split fields between tasks */
435 if (V4L2_FIELD_TOP == cap) {
436 /* odd A, even B, repeat */
437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
438 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
439 } else {
440 /* odd B, even A, repeat */
441 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
442 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
443 }
444 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
445 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
446 split = 1;
447 }
448
449 /* irqs */
450 saa_writeb(SAA7134_REGION_ENABLE, task);
451 saa_writel(SAA7134_IRQ1, irq);
452 saa_andorl(SAA7134_MAIN_CTRL,
453 SAA7134_MAIN_CTRL_TE0 |
454 SAA7134_MAIN_CTRL_TE1 |
455 SAA7134_MAIN_CTRL_TE2 |
456 SAA7134_MAIN_CTRL_TE3 |
457 SAA7134_MAIN_CTRL_TE4 |
458 SAA7134_MAIN_CTRL_TE5 |
459 SAA7134_MAIN_CTRL_TE6,
460 ctrl);
461 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
462 task, ctrl, irq, split ? "no" : "yes");
463
464 return 0;
465 }
466
467 /* ------------------------------------------------------------------ */
468 /* IRQ handler + helpers */
469
470 static char *irqbits[] = {
471 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
472 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
473 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
474 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
475 };
476 #define IRQBITS ARRAY_SIZE(irqbits)
477
478 static void print_irqstatus(struct saa7134_dev *dev, int loop,
479 unsigned long report, unsigned long status)
480 {
481 unsigned int i;
482
483 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
484 dev->name,loop,jiffies,report,status);
485 for (i = 0; i < IRQBITS; i++) {
486 if (!(report & (1 << i)))
487 continue;
488 printk(" %s",irqbits[i]);
489 }
490 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
491 printk(" | RA0=%s,%s,%s,%ld",
492 (status & 0x40) ? "vbi" : "video",
493 (status & 0x20) ? "b" : "a",
494 (status & 0x10) ? "odd" : "even",
495 (status & 0x0f));
496 }
497 printk("\n");
498 }
499
500 static irqreturn_t saa7134_irq(int irq, void *dev_id)
501 {
502 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
503 unsigned long report,status;
504 int loop, handled = 0;
505
506 if (dev->insuspend)
507 goto out;
508
509 for (loop = 0; loop < 10; loop++) {
510 report = saa_readl(SAA7134_IRQ_REPORT);
511 status = saa_readl(SAA7134_IRQ_STATUS);
512
513 /* If dmasound support is active and we get a sound report,
514 * mask out the report and let the saa7134-alsa module deal
515 * with it */
516 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
517 (dev->dmasound.priv_data != NULL) )
518 {
519 if (irq_debug > 1)
520 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
521 dev->name);
522 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
523 }
524
525 if (0 == report) {
526 if (irq_debug > 1)
527 printk(KERN_DEBUG "%s/irq: no (more) work\n",
528 dev->name);
529 goto out;
530 }
531
532 handled = 1;
533 saa_writel(SAA7134_IRQ_REPORT,report);
534 if (irq_debug)
535 print_irqstatus(dev,loop,report,status);
536
537
538 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
539 (report & SAA7134_IRQ_REPORT_INTL))
540 saa7134_irq_video_signalchange(dev);
541
542
543 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
544 (status & 0x60) == 0)
545 saa7134_irq_video_done(dev,status);
546
547 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
548 (status & 0x40) == 0x40)
549 saa7134_irq_vbi_done(dev,status);
550
551 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
552 card_has_mpeg(dev))
553 saa7134_irq_ts_done(dev,status);
554
555 if (report & SAA7134_IRQ_REPORT_GPIO16) {
556 switch (dev->has_remote) {
557 case SAA7134_REMOTE_GPIO:
558 if (!dev->remote)
559 break;
560 if (dev->remote->mask_keydown & 0x10000) {
561 saa7134_input_irq(dev);
562 }
563 break;
564
565 case SAA7134_REMOTE_I2C:
566 break; /* FIXME: invoke I2C get_key() */
567
568 default: /* GPIO16 not used by IR remote */
569 break;
570 }
571 }
572
573 if (report & SAA7134_IRQ_REPORT_GPIO18) {
574 switch (dev->has_remote) {
575 case SAA7134_REMOTE_GPIO:
576 if (!dev->remote)
577 break;
578 if ((dev->remote->mask_keydown & 0x40000) ||
579 (dev->remote->mask_keyup & 0x40000)) {
580 saa7134_input_irq(dev);
581 }
582 break;
583
584 case SAA7134_REMOTE_I2C:
585 break; /* FIXME: invoke I2C get_key() */
586
587 default: /* GPIO18 not used by IR remote */
588 break;
589 }
590 }
591 }
592
593 if (10 == loop) {
594 print_irqstatus(dev,loop,report,status);
595 if (report & SAA7134_IRQ_REPORT_PE) {
596 /* disable all parity error */
597 printk(KERN_WARNING "%s/irq: looping -- "
598 "clearing PE (parity error!) enable bit\n",dev->name);
599 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
600 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
601 /* disable gpio16 IRQ */
602 printk(KERN_WARNING "%s/irq: looping -- "
603 "clearing GPIO16 enable bit\n",dev->name);
604 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
605 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
606 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
607 /* disable gpio18 IRQs */
608 printk(KERN_WARNING "%s/irq: looping -- "
609 "clearing GPIO18 enable bit\n",dev->name);
610 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
611 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
612 } else {
613 /* disable all irqs */
614 printk(KERN_WARNING "%s/irq: looping -- "
615 "clearing all enable bits\n",dev->name);
616 saa_writel(SAA7134_IRQ1,0);
617 saa_writel(SAA7134_IRQ2,0);
618 }
619 }
620
621 out:
622 return IRQ_RETVAL(handled);
623 }
624
625 /* ------------------------------------------------------------------ */
626
627 /* early init (no i2c, no irq) */
628
629 static int saa7134_hw_enable1(struct saa7134_dev *dev)
630 {
631 /* RAM FIFO config */
632 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
633 saa_writel(SAA7134_THRESHOULD, 0x02020202);
634
635 /* enable audio + video processing */
636 saa_writel(SAA7134_MAIN_CTRL,
637 SAA7134_MAIN_CTRL_VPLLE |
638 SAA7134_MAIN_CTRL_APLLE |
639 SAA7134_MAIN_CTRL_EXOSC |
640 SAA7134_MAIN_CTRL_EVFE1 |
641 SAA7134_MAIN_CTRL_EVFE2 |
642 SAA7134_MAIN_CTRL_ESFE |
643 SAA7134_MAIN_CTRL_EBDAC);
644
645 /*
646 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
647 * OSS initialization writes to registers via the audio DSP; these
648 * writes will fail unless the audio clock has been started. At worst,
649 * audio will not work.
650 */
651
652 /* enable peripheral devices */
653 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
654
655 /* set vertical line numbering start (vbi needs this) */
656 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
657
658 return 0;
659 }
660
661 static int saa7134_hwinit1(struct saa7134_dev *dev)
662 {
663 dprintk("hwinit1\n");
664
665 saa_writel(SAA7134_IRQ1, 0);
666 saa_writel(SAA7134_IRQ2, 0);
667
668 /* Clear any stale IRQ reports */
669 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
670
671 mutex_init(&dev->lock);
672 spin_lock_init(&dev->slock);
673
674 saa7134_track_gpio(dev,"pre-init");
675 saa7134_video_init1(dev);
676 saa7134_vbi_init1(dev);
677 if (card_has_mpeg(dev))
678 saa7134_ts_init1(dev);
679 saa7134_input_init1(dev);
680
681 saa7134_hw_enable1(dev);
682
683 return 0;
684 }
685
686 /* late init (with i2c + irq) */
687 static int saa7134_hw_enable2(struct saa7134_dev *dev)
688 {
689
690 unsigned int irq2_mask;
691
692 /* enable IRQ's */
693 irq2_mask =
694 SAA7134_IRQ2_INTE_DEC3 |
695 SAA7134_IRQ2_INTE_DEC2 |
696 SAA7134_IRQ2_INTE_DEC1 |
697 SAA7134_IRQ2_INTE_DEC0 |
698 SAA7134_IRQ2_INTE_PE |
699 SAA7134_IRQ2_INTE_AR;
700
701 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
702 if (dev->remote->mask_keydown & 0x10000)
703 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
704 else { /* Allow enabling both IRQ edge triggers */
705 if (dev->remote->mask_keydown & 0x40000)
706 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
707 if (dev->remote->mask_keyup & 0x40000)
708 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
709 }
710 }
711
712 if (dev->has_remote == SAA7134_REMOTE_I2C) {
713 request_module("ir-kbd-i2c");
714 }
715
716 saa_writel(SAA7134_IRQ1, 0);
717 saa_writel(SAA7134_IRQ2, irq2_mask);
718
719 return 0;
720 }
721
722 static int saa7134_hwinit2(struct saa7134_dev *dev)
723 {
724
725 dprintk("hwinit2\n");
726
727 saa7134_video_init2(dev);
728 saa7134_tvaudio_init2(dev);
729
730 saa7134_hw_enable2(dev);
731
732 return 0;
733 }
734
735
736 /* shutdown */
737 static int saa7134_hwfini(struct saa7134_dev *dev)
738 {
739 dprintk("hwfini\n");
740
741 if (card_has_mpeg(dev))
742 saa7134_ts_fini(dev);
743 saa7134_input_fini(dev);
744 saa7134_vbi_fini(dev);
745 saa7134_tvaudio_fini(dev);
746 return 0;
747 }
748
749 static void __devinit must_configure_manually(void)
750 {
751 unsigned int i,p;
752
753 printk(KERN_WARNING
754 "saa7134: <rant>\n"
755 "saa7134: Congratulations! Your TV card vendor saved a few\n"
756 "saa7134: cents for a eeprom, thus your pci board has no\n"
757 "saa7134: subsystem ID and I can't identify it automatically\n"
758 "saa7134: </rant>\n"
759 "saa7134: I feel better now. Ok, here are the good news:\n"
760 "saa7134: You can use the card=<nr> insmod option to specify\n"
761 "saa7134: which board do you have. The list:\n");
762 for (i = 0; i < saa7134_bcount; i++) {
763 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
764 i,saa7134_boards[i].name);
765 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
766 if (saa7134_pci_tbl[p].driver_data != i)
767 continue;
768 printk(" %04x:%04x",
769 saa7134_pci_tbl[p].subvendor,
770 saa7134_pci_tbl[p].subdevice);
771 }
772 printk("\n");
773 }
774 }
775
776 static struct video_device *vdev_init(struct saa7134_dev *dev,
777 struct video_device *template,
778 char *type)
779 {
780 struct video_device *vfd;
781
782 vfd = video_device_alloc();
783 if (NULL == vfd)
784 return NULL;
785 *vfd = *template;
786 vfd->v4l2_dev = &dev->v4l2_dev;
787 vfd->release = video_device_release;
788 vfd->debug = video_debug;
789 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
790 dev->name, type, saa7134_boards[dev->board].name);
791 video_set_drvdata(vfd, dev);
792 return vfd;
793 }
794
795 static void saa7134_unregister_video(struct saa7134_dev *dev)
796 {
797 if (dev->video_dev) {
798 if (video_is_registered(dev->video_dev))
799 video_unregister_device(dev->video_dev);
800 else
801 video_device_release(dev->video_dev);
802 dev->video_dev = NULL;
803 }
804 if (dev->vbi_dev) {
805 if (video_is_registered(dev->vbi_dev))
806 video_unregister_device(dev->vbi_dev);
807 else
808 video_device_release(dev->vbi_dev);
809 dev->vbi_dev = NULL;
810 }
811 if (dev->radio_dev) {
812 if (video_is_registered(dev->radio_dev))
813 video_unregister_device(dev->radio_dev);
814 else
815 video_device_release(dev->radio_dev);
816 dev->radio_dev = NULL;
817 }
818 }
819
820 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
821 struct saa7134_dev *dev)
822 {
823 int err;
824
825 if (NULL != dev->mops)
826 return;
827 if (saa7134_boards[dev->board].mpeg != ops->type)
828 return;
829 err = ops->init(dev);
830 if (0 != err)
831 return;
832 dev->mops = ops;
833 }
834
835 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
836 struct saa7134_dev *dev)
837 {
838 if (NULL == dev->mops)
839 return;
840 if (dev->mops != ops)
841 return;
842 dev->mops->fini(dev);
843 dev->mops = NULL;
844 }
845
846 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
847 const struct pci_device_id *pci_id)
848 {
849 struct saa7134_dev *dev;
850 struct saa7134_mpeg_ops *mops;
851 int err;
852
853 if (saa7134_devcount == SAA7134_MAXBOARDS)
854 return -ENOMEM;
855
856 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
857 if (NULL == dev)
858 return -ENOMEM;
859
860 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
861 if (err)
862 goto fail0;
863
864 /* pci init */
865 dev->pci = pci_dev;
866 if (pci_enable_device(pci_dev)) {
867 err = -EIO;
868 goto fail1;
869 }
870
871 dev->nr = saa7134_devcount;
872 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
873
874 /* pci quirks */
875 if (pci_pci_problems) {
876 if (pci_pci_problems & PCIPCI_TRITON)
877 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
878 if (pci_pci_problems & PCIPCI_NATOMA)
879 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
880 if (pci_pci_problems & PCIPCI_VIAETBF)
881 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
882 if (pci_pci_problems & PCIPCI_VSFX)
883 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
884 #ifdef PCIPCI_ALIMAGIK
885 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
886 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
887 dev->name);
888 latency = 0x0A;
889 }
890 #endif
891 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
892 printk(KERN_INFO "%s: quirk: this driver and your "
893 "chipset may not work together"
894 " in overlay mode.\n",dev->name);
895 if (!saa7134_no_overlay) {
896 printk(KERN_INFO "%s: quirk: overlay "
897 "mode will be disabled.\n",
898 dev->name);
899 saa7134_no_overlay = 1;
900 } else {
901 printk(KERN_INFO "%s: quirk: overlay "
902 "mode will be forced. Use this"
903 " option at your own risk.\n",
904 dev->name);
905 }
906 }
907 }
908 if (UNSET != latency) {
909 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
910 dev->name,latency);
911 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
912 }
913
914 /* print pci info */
915 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
916 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
917 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
918 "latency: %d, mmio: 0x%llx\n", dev->name,
919 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
920 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
921 pci_set_master(pci_dev);
922 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
923 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
924 err = -EIO;
925 goto fail1;
926 }
927
928 /* board config */
929 dev->board = pci_id->driver_data;
930 if (card[dev->nr] >= 0 &&
931 card[dev->nr] < saa7134_bcount)
932 dev->board = card[dev->nr];
933 if (SAA7134_BOARD_NOAUTO == dev->board) {
934 must_configure_manually();
935 dev->board = SAA7134_BOARD_UNKNOWN;
936 }
937 dev->autodetected = card[dev->nr] != dev->board;
938 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
939 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
940 dev->radio_type = saa7134_boards[dev->board].radio_type;
941 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
942 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
943 if (UNSET != tuner[dev->nr])
944 dev->tuner_type = tuner[dev->nr];
945 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
946 dev->name,pci_dev->subsystem_vendor,
947 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
948 dev->board, dev->autodetected ?
949 "autodetected" : "insmod option");
950
951 /* get mmio */
952 if (!request_mem_region(pci_resource_start(pci_dev,0),
953 pci_resource_len(pci_dev,0),
954 dev->name)) {
955 err = -EBUSY;
956 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
957 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
958 goto fail1;
959 }
960 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
961 pci_resource_len(pci_dev, 0));
962 dev->bmmio = (__u8 __iomem *)dev->lmmio;
963 if (NULL == dev->lmmio) {
964 err = -EIO;
965 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
966 dev->name);
967 goto fail2;
968 }
969
970 /* initialize hardware #1 */
971 saa7134_board_init1(dev);
972 saa7134_hwinit1(dev);
973
974 /* get irq */
975 err = request_irq(pci_dev->irq, saa7134_irq,
976 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
977 if (err < 0) {
978 printk(KERN_ERR "%s: can't get IRQ %d\n",
979 dev->name,pci_dev->irq);
980 goto fail3;
981 }
982
983 /* wait a bit, register i2c bus */
984 msleep(100);
985 saa7134_i2c_register(dev);
986 saa7134_board_init2(dev);
987
988 saa7134_hwinit2(dev);
989
990 /* load i2c helpers */
991 if (card_is_empress(dev)) {
992 struct v4l2_subdev *sd =
993 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
994 NULL, "saa6752hs",
995 saa7134_boards[dev->board].empress_addr, NULL);
996
997 if (sd)
998 sd->grp_id = GRP_EMPRESS;
999 }
1000
1001 if (saa7134_boards[dev->board].rds_addr) {
1002 struct v4l2_subdev *sd;
1003
1004 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1005 &dev->i2c_adap, NULL, "saa6588",
1006 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1007 if (sd) {
1008 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
1009 dev->has_rds = 1;
1010 }
1011 }
1012
1013 request_submodules(dev);
1014
1015 v4l2_prio_init(&dev->prio);
1016
1017 mutex_lock(&saa7134_devlist_lock);
1018 list_for_each_entry(mops, &mops_list, next)
1019 mpeg_ops_attach(mops, dev);
1020 list_add_tail(&dev->devlist, &saa7134_devlist);
1021 mutex_unlock(&saa7134_devlist_lock);
1022
1023 /* check for signal */
1024 saa7134_irq_video_signalchange(dev);
1025
1026 if (TUNER_ABSENT != dev->tuner_type)
1027 saa_call_all(dev, core, s_power, 0);
1028
1029 /* register v4l devices */
1030 if (saa7134_no_overlay > 0)
1031 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1032
1033 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1034 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1035 video_nr[dev->nr]);
1036 if (err < 0) {
1037 printk(KERN_INFO "%s: can't register video device\n",
1038 dev->name);
1039 goto fail4;
1040 }
1041 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1042 dev->name, video_device_node_name(dev->video_dev));
1043
1044 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1045
1046 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1047 vbi_nr[dev->nr]);
1048 if (err < 0)
1049 goto fail4;
1050 printk(KERN_INFO "%s: registered device %s\n",
1051 dev->name, video_device_node_name(dev->vbi_dev));
1052
1053 if (card_has_radio(dev)) {
1054 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1055 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1056 radio_nr[dev->nr]);
1057 if (err < 0)
1058 goto fail4;
1059 printk(KERN_INFO "%s: registered device %s\n",
1060 dev->name, video_device_node_name(dev->radio_dev));
1061 }
1062
1063 /* everything worked */
1064 saa7134_devcount++;
1065
1066 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1067 saa7134_dmasound_init(dev);
1068
1069 return 0;
1070
1071 fail4:
1072 saa7134_unregister_video(dev);
1073 saa7134_i2c_unregister(dev);
1074 free_irq(pci_dev->irq, dev);
1075 fail3:
1076 saa7134_hwfini(dev);
1077 iounmap(dev->lmmio);
1078 fail2:
1079 release_mem_region(pci_resource_start(pci_dev,0),
1080 pci_resource_len(pci_dev,0));
1081 fail1:
1082 v4l2_device_unregister(&dev->v4l2_dev);
1083 fail0:
1084 kfree(dev);
1085 return err;
1086 }
1087
1088 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1089 {
1090 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1091 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1092 struct saa7134_mpeg_ops *mops;
1093
1094 /* Release DMA sound modules if present */
1095 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1096 saa7134_dmasound_exit(dev);
1097 }
1098
1099 /* debugging ... */
1100 if (irq_debug) {
1101 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1102 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1103 print_irqstatus(dev,42,report,status);
1104 }
1105
1106 /* disable peripheral devices */
1107 saa_writeb(SAA7134_SPECIAL_MODE,0);
1108
1109 /* shutdown hardware */
1110 saa_writel(SAA7134_IRQ1,0);
1111 saa_writel(SAA7134_IRQ2,0);
1112 saa_writel(SAA7134_MAIN_CTRL,0);
1113
1114 /* shutdown subsystems */
1115 saa7134_hwfini(dev);
1116
1117 /* unregister */
1118 mutex_lock(&saa7134_devlist_lock);
1119 list_del(&dev->devlist);
1120 list_for_each_entry(mops, &mops_list, next)
1121 mpeg_ops_detach(mops, dev);
1122 mutex_unlock(&saa7134_devlist_lock);
1123 saa7134_devcount--;
1124
1125 saa7134_i2c_unregister(dev);
1126 saa7134_unregister_video(dev);
1127
1128
1129 /* the DMA sound modules should be unloaded before reaching
1130 this, but just in case they are still present... */
1131 if (dev->dmasound.priv_data != NULL) {
1132 free_irq(pci_dev->irq, &dev->dmasound);
1133 dev->dmasound.priv_data = NULL;
1134 }
1135
1136
1137 /* release resources */
1138 free_irq(pci_dev->irq, dev);
1139 iounmap(dev->lmmio);
1140 release_mem_region(pci_resource_start(pci_dev,0),
1141 pci_resource_len(pci_dev,0));
1142
1143
1144 v4l2_device_unregister(&dev->v4l2_dev);
1145
1146 /* free memory */
1147 kfree(dev);
1148 }
1149
1150 #ifdef CONFIG_PM
1151
1152 /* resends a current buffer in queue after resume */
1153 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1154 struct saa7134_dmaqueue *q)
1155 {
1156 struct saa7134_buf *buf, *next;
1157
1158 assert_spin_locked(&dev->slock);
1159
1160 buf = q->curr;
1161 next = buf;
1162 dprintk("buffer_requeue\n");
1163
1164 if (!buf)
1165 return 0;
1166
1167 dprintk("buffer_requeue : resending active buffers \n");
1168
1169 if (!list_empty(&q->queue))
1170 next = list_entry(q->queue.next, struct saa7134_buf,
1171 vb.queue);
1172 buf->activate(dev, buf, next);
1173
1174 return 0;
1175 }
1176
1177 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1178 {
1179 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1180 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1181
1182 /* disable overlay - apps should enable it explicitly on resume*/
1183 dev->ovenable = 0;
1184
1185 /* Disable interrupts, DMA, and rest of the chip*/
1186 saa_writel(SAA7134_IRQ1, 0);
1187 saa_writel(SAA7134_IRQ2, 0);
1188 saa_writel(SAA7134_MAIN_CTRL, 0);
1189
1190 dev->insuspend = 1;
1191 synchronize_irq(pci_dev->irq);
1192
1193 /* ACK interrupts once more, just in case,
1194 since the IRQ handler won't ack them anymore*/
1195
1196 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1197
1198 /* Disable timeout timers - if we have active buffers, we will
1199 fill them on resume*/
1200
1201 del_timer(&dev->video_q.timeout);
1202 del_timer(&dev->vbi_q.timeout);
1203 del_timer(&dev->ts_q.timeout);
1204
1205 if (dev->remote)
1206 saa7134_ir_stop(dev);
1207
1208 pci_save_state(pci_dev);
1209 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1210
1211 return 0;
1212 }
1213
1214 static int saa7134_resume(struct pci_dev *pci_dev)
1215 {
1216 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1217 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1218 unsigned long flags;
1219
1220 pci_set_power_state(pci_dev, PCI_D0);
1221 pci_restore_state(pci_dev);
1222
1223 /* Do things that are done in saa7134_initdev ,
1224 except of initializing memory structures.*/
1225
1226 saa7134_board_init1(dev);
1227
1228 /* saa7134_hwinit1 */
1229 if (saa7134_boards[dev->board].video_out)
1230 saa7134_videoport_init(dev);
1231 if (card_has_mpeg(dev))
1232 saa7134_ts_init_hw(dev);
1233 if (dev->remote)
1234 saa7134_ir_start(dev);
1235 saa7134_hw_enable1(dev);
1236
1237 msleep(100);
1238
1239 saa7134_board_init2(dev);
1240
1241 /*saa7134_hwinit2*/
1242 saa7134_set_tvnorm_hw(dev);
1243 saa7134_tvaudio_setmute(dev);
1244 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1245 saa7134_tvaudio_init(dev);
1246 saa7134_tvaudio_do_scan(dev);
1247 saa7134_enable_i2s(dev);
1248 saa7134_hw_enable2(dev);
1249
1250 saa7134_irq_video_signalchange(dev);
1251
1252 /*resume unfinished buffer(s)*/
1253 spin_lock_irqsave(&dev->slock, flags);
1254 saa7134_buffer_requeue(dev, &dev->video_q);
1255 saa7134_buffer_requeue(dev, &dev->vbi_q);
1256 saa7134_buffer_requeue(dev, &dev->ts_q);
1257
1258 /* FIXME: Disable DMA audio sound - temporary till proper support
1259 is implemented*/
1260
1261 dev->dmasound.dma_running = 0;
1262
1263 /* start DMA now*/
1264 dev->insuspend = 0;
1265 smp_wmb();
1266 saa7134_set_dmabits(dev);
1267 spin_unlock_irqrestore(&dev->slock, flags);
1268
1269 return 0;
1270 }
1271 #endif
1272
1273 /* ----------------------------------------------------------- */
1274
1275 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1276 {
1277 struct saa7134_dev *dev;
1278
1279 mutex_lock(&saa7134_devlist_lock);
1280 list_for_each_entry(dev, &saa7134_devlist, devlist)
1281 mpeg_ops_attach(ops, dev);
1282 list_add_tail(&ops->next,&mops_list);
1283 mutex_unlock(&saa7134_devlist_lock);
1284 return 0;
1285 }
1286
1287 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1288 {
1289 struct saa7134_dev *dev;
1290
1291 mutex_lock(&saa7134_devlist_lock);
1292 list_del(&ops->next);
1293 list_for_each_entry(dev, &saa7134_devlist, devlist)
1294 mpeg_ops_detach(ops, dev);
1295 mutex_unlock(&saa7134_devlist_lock);
1296 }
1297
1298 EXPORT_SYMBOL(saa7134_ts_register);
1299 EXPORT_SYMBOL(saa7134_ts_unregister);
1300
1301 /* ----------------------------------------------------------- */
1302
1303 static struct pci_driver saa7134_pci_driver = {
1304 .name = "saa7134",
1305 .id_table = saa7134_pci_tbl,
1306 .probe = saa7134_initdev,
1307 .remove = __devexit_p(saa7134_finidev),
1308 #ifdef CONFIG_PM
1309 .suspend = saa7134_suspend,
1310 .resume = saa7134_resume
1311 #endif
1312 };
1313
1314 static int __init saa7134_init(void)
1315 {
1316 INIT_LIST_HEAD(&saa7134_devlist);
1317 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1318 (SAA7134_VERSION_CODE >> 16) & 0xff,
1319 (SAA7134_VERSION_CODE >> 8) & 0xff,
1320 SAA7134_VERSION_CODE & 0xff);
1321 #ifdef SNAPSHOT
1322 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1323 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1324 #endif
1325 return pci_register_driver(&saa7134_pci_driver);
1326 }
1327
1328 static void __exit saa7134_fini(void)
1329 {
1330 pci_unregister_driver(&saa7134_pci_driver);
1331 }
1332
1333 module_init(saa7134_init);
1334 module_exit(saa7134_fini);
1335
1336 /* ----------------------------------------------------------- */
1337
1338 EXPORT_SYMBOL(saa7134_set_gpio);
1339 EXPORT_SYMBOL(saa7134_boards);
1340
1341 /* ----------------- for the DMA sound modules --------------- */
1342
1343 EXPORT_SYMBOL(saa7134_dmasound_init);
1344 EXPORT_SYMBOL(saa7134_dmasound_exit);
1345 EXPORT_SYMBOL(saa7134_pgtable_free);
1346 EXPORT_SYMBOL(saa7134_pgtable_build);
1347 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1348 EXPORT_SYMBOL(saa7134_set_dmabits);
1349
1350 /* ----------------------------------------------------------- */
1351 /*
1352 * Local variables:
1353 * c-basic-offset: 8
1354 * End:
1355 */
kernel source for telekom puls (alcatel/mediatek)