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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / media / pci / saa7134 / saa7134-core.c
blob1362b4aab47327f95088476d0c45fc0ca48d611e
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 MODULE_VERSION(SAA7134_VERSION);
43
44
45 /* ------------------------------------------------------------------ */
46
47 static unsigned int irq_debug;
48 module_param(irq_debug, int, 0644);
49 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
50
51 static unsigned int core_debug;
52 module_param(core_debug, int, 0644);
53 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
54
55 static unsigned int gpio_tracking;
56 module_param(gpio_tracking, int, 0644);
57 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
58
59 static unsigned int alsa = 1;
60 module_param(alsa, int, 0644);
61 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
62
63 static unsigned int latency = UNSET;
64 module_param(latency, int, 0444);
65 MODULE_PARM_DESC(latency,"pci latency timer");
66
67 int saa7134_no_overlay=-1;
68 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
69 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
70 " [some VIA/SIS chipsets are known to have problem with overlay]");
71
72 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
73 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
74 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
76 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
77
78
79 module_param_array(video_nr, int, NULL, 0444);
80 module_param_array(vbi_nr, int, NULL, 0444);
81 module_param_array(radio_nr, int, NULL, 0444);
82 module_param_array(tuner, int, NULL, 0444);
83 module_param_array(card, int, NULL, 0444);
84
85 MODULE_PARM_DESC(video_nr, "video device number");
86 MODULE_PARM_DESC(vbi_nr, "vbi device number");
87 MODULE_PARM_DESC(radio_nr, "radio device number");
88 MODULE_PARM_DESC(tuner, "tuner type");
89 MODULE_PARM_DESC(card, "card type");
90
91 DEFINE_MUTEX(saa7134_devlist_lock);
92 EXPORT_SYMBOL(saa7134_devlist_lock);
93 LIST_HEAD(saa7134_devlist);
94 EXPORT_SYMBOL(saa7134_devlist);
95 static LIST_HEAD(mops_list);
96 static unsigned int saa7134_devcount;
97
98 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
99 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
100
101 #define dprintk(fmt, arg...) if (core_debug) \
102 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
103
104 void 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 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
121 {
122 u32 index, bitval;
123
124 index = 1 << bit_no;
125 switch (value) {
126 case 0: /* static value */
127 case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
128 /* turn sync mode off if necessary */
129 if (index & 0x00c00000)
130 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
131 if (value)
132 bitval = index;
133 else
134 bitval = 0;
135 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
136 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
137 break;
138 case 3: /* tristate */
139 dprintk("setting GPIO%d to tristate\n", bit_no);
140 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
141 break;
142 }
143 }
144
145 /* ------------------------------------------------------------------ */
146
147
148 /* ----------------------------------------------------------- */
149 /* delayed request_module */
150
151 #if defined(CONFIG_MODULES) && defined(MODULE)
152
153 static void request_module_async(struct work_struct *work){
154 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
155 if (card_is_empress(dev))
156 request_module("saa7134-empress");
157 if (card_is_dvb(dev))
158 request_module("saa7134-dvb");
159 if (alsa) {
160 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
161 request_module("saa7134-alsa");
162 }
163 }
164
165 static void request_submodules(struct saa7134_dev *dev)
166 {
167 INIT_WORK(&dev->request_module_wk, request_module_async);
168 schedule_work(&dev->request_module_wk);
169 }
170
171 static void flush_request_submodules(struct saa7134_dev *dev)
172 {
173 flush_work(&dev->request_module_wk);
174 }
175
176 #else
177 #define request_submodules(dev)
178 #define flush_request_submodules(dev)
179 #endif /* CONFIG_MODULES */
180
181 /* ------------------------------------------------------------------ */
182
183 /* nr of (saa7134-)pages for the given buffer size */
184 static int saa7134_buffer_pages(int size)
185 {
186 size = PAGE_ALIGN(size);
187 size += PAGE_SIZE; /* for non-page-aligned buffers */
188 size /= 4096;
189 return size;
190 }
191
192 /* calc max # of buffers from size (must not exceed the 4MB virtual
193 * address space per DMA channel) */
194 int saa7134_buffer_count(unsigned int size, unsigned int count)
195 {
196 unsigned int maxcount;
197
198 maxcount = 1024 / saa7134_buffer_pages(size);
199 if (count > maxcount)
200 count = maxcount;
201 return count;
202 }
203
204 int saa7134_buffer_startpage(struct saa7134_buf *buf)
205 {
206 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
207 }
208
209 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
210 {
211 unsigned long base;
212 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
213
214 base = saa7134_buffer_startpage(buf) * 4096;
215 base += dma->sglist[0].offset;
216 return base;
217 }
218
219 /* ------------------------------------------------------------------ */
220
221 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
222 {
223 __le32 *cpu;
224 dma_addr_t dma_addr = 0;
225
226 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
227 if (NULL == cpu)
228 return -ENOMEM;
229 pt->size = SAA7134_PGTABLE_SIZE;
230 pt->cpu = cpu;
231 pt->dma = dma_addr;
232 return 0;
233 }
234
235 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
236 struct scatterlist *list, unsigned int length,
237 unsigned int startpage)
238 {
239 __le32 *ptr;
240 unsigned int i,p;
241
242 BUG_ON(NULL == pt || NULL == pt->cpu);
243
244 ptr = pt->cpu + startpage;
245 for (i = 0; i < length; i++, list++)
246 for (p = 0; p * 4096 < list->length; p++, ptr++)
247 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
248 return 0;
249 }
250
251 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
252 {
253 if (NULL == pt->cpu)
254 return;
255 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
256 pt->cpu = NULL;
257 }
258
259 /* ------------------------------------------------------------------ */
260
261 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
262 {
263 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
264 BUG_ON(in_interrupt());
265
266 videobuf_waiton(q, &buf->vb, 0, 0);
267 videobuf_dma_unmap(q->dev, dma);
268 videobuf_dma_free(dma);
269 buf->vb.state = VIDEOBUF_NEEDS_INIT;
270 }
271
272 /* ------------------------------------------------------------------ */
273
274 int saa7134_buffer_queue(struct saa7134_dev *dev,
275 struct saa7134_dmaqueue *q,
276 struct saa7134_buf *buf)
277 {
278 struct saa7134_buf *next = NULL;
279
280 assert_spin_locked(&dev->slock);
281 dprintk("buffer_queue %p\n",buf);
282 if (NULL == q->curr) {
283 if (!q->need_two) {
284 q->curr = buf;
285 buf->activate(dev,buf,NULL);
286 } else if (list_empty(&q->queue)) {
287 list_add_tail(&buf->vb.queue,&q->queue);
288 buf->vb.state = VIDEOBUF_QUEUED;
289 } else {
290 next = list_entry(q->queue.next,struct saa7134_buf,
291 vb.queue);
292 q->curr = buf;
293 buf->activate(dev,buf,next);
294 }
295 } else {
296 list_add_tail(&buf->vb.queue,&q->queue);
297 buf->vb.state = VIDEOBUF_QUEUED;
298 }
299 return 0;
300 }
301
302 void saa7134_buffer_finish(struct saa7134_dev *dev,
303 struct saa7134_dmaqueue *q,
304 unsigned int state)
305 {
306 assert_spin_locked(&dev->slock);
307 dprintk("buffer_finish %p\n",q->curr);
308
309 /* finish current buffer */
310 q->curr->vb.state = state;
311 v4l2_get_timestamp(&q->curr->vb.ts);
312 wake_up(&q->curr->vb.done);
313 q->curr = NULL;
314 }
315
316 void saa7134_buffer_next(struct saa7134_dev *dev,
317 struct saa7134_dmaqueue *q)
318 {
319 struct saa7134_buf *buf,*next = NULL;
320
321 assert_spin_locked(&dev->slock);
322 BUG_ON(NULL != q->curr);
323
324 if (!list_empty(&q->queue)) {
325 /* activate next one from queue */
326 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
327 dprintk("buffer_next %p [prev=%p/next=%p]\n",
328 buf,q->queue.prev,q->queue.next);
329 list_del(&buf->vb.queue);
330 if (!list_empty(&q->queue))
331 next = list_entry(q->queue.next,struct saa7134_buf,
332 vb.queue);
333 q->curr = buf;
334 buf->activate(dev,buf,next);
335 dprintk("buffer_next #2 prev=%p/next=%p\n",
336 q->queue.prev,q->queue.next);
337 } else {
338 /* nothing to do -- just stop DMA */
339 dprintk("buffer_next %p\n",NULL);
340 saa7134_set_dmabits(dev);
341 del_timer(&q->timeout);
342
343 if (card_has_mpeg(dev))
344 if (dev->ts_started)
345 saa7134_ts_stop(dev);
346 }
347 }
348
349 void saa7134_buffer_timeout(unsigned long data)
350 {
351 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
352 struct saa7134_dev *dev = q->dev;
353 unsigned long flags;
354
355 spin_lock_irqsave(&dev->slock,flags);
356
357 /* try to reset the hardware (SWRST) */
358 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
359 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
360 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
361
362 /* flag current buffer as failed,
363 try to start over with the next one. */
364 if (q->curr) {
365 dprintk("timeout on %p\n",q->curr);
366 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
367 }
368 saa7134_buffer_next(dev,q);
369 spin_unlock_irqrestore(&dev->slock,flags);
370 }
371
372 /* ------------------------------------------------------------------ */
373
374 int saa7134_set_dmabits(struct saa7134_dev *dev)
375 {
376 u32 split, task=0, ctrl=0, irq=0;
377 enum v4l2_field cap = V4L2_FIELD_ANY;
378 enum v4l2_field ov = V4L2_FIELD_ANY;
379
380 assert_spin_locked(&dev->slock);
381
382 if (dev->insuspend)
383 return 0;
384
385 /* video capture -- dma 0 + video task A */
386 if (dev->video_q.curr) {
387 task |= 0x01;
388 ctrl |= SAA7134_MAIN_CTRL_TE0;
389 irq |= SAA7134_IRQ1_INTE_RA0_1 |
390 SAA7134_IRQ1_INTE_RA0_0;
391 cap = dev->video_q.curr->vb.field;
392 }
393
394 /* video capture -- dma 1+2 (planar modes) */
395 if (dev->video_q.curr &&
396 dev->video_q.curr->fmt->planar) {
397 ctrl |= SAA7134_MAIN_CTRL_TE4 |
398 SAA7134_MAIN_CTRL_TE5;
399 }
400
401 /* screen overlay -- dma 0 + video task B */
402 if (dev->ovenable) {
403 task |= 0x10;
404 ctrl |= SAA7134_MAIN_CTRL_TE1;
405 ov = dev->ovfield;
406 }
407
408 /* vbi capture -- dma 0 + vbi task A+B */
409 if (dev->vbi_q.curr) {
410 task |= 0x22;
411 ctrl |= SAA7134_MAIN_CTRL_TE2 |
412 SAA7134_MAIN_CTRL_TE3;
413 irq |= SAA7134_IRQ1_INTE_RA0_7 |
414 SAA7134_IRQ1_INTE_RA0_6 |
415 SAA7134_IRQ1_INTE_RA0_5 |
416 SAA7134_IRQ1_INTE_RA0_4;
417 }
418
419 /* audio capture -- dma 3 */
420 if (dev->dmasound.dma_running) {
421 ctrl |= SAA7134_MAIN_CTRL_TE6;
422 irq |= SAA7134_IRQ1_INTE_RA3_1 |
423 SAA7134_IRQ1_INTE_RA3_0;
424 }
425
426 /* TS capture -- dma 5 */
427 if (dev->ts_q.curr) {
428 ctrl |= SAA7134_MAIN_CTRL_TE5;
429 irq |= SAA7134_IRQ1_INTE_RA2_1 |
430 SAA7134_IRQ1_INTE_RA2_0;
431 }
432
433 /* set task conditions + field handling */
434 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
435 /* default config -- use full frames */
436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
438 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
439 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
440 split = 0;
441 } else {
442 /* split fields between tasks */
443 if (V4L2_FIELD_TOP == cap) {
444 /* odd A, even B, repeat */
445 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
446 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
447 } else {
448 /* odd B, even A, repeat */
449 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
450 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
451 }
452 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
453 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
454 split = 1;
455 }
456
457 /* irqs */
458 saa_writeb(SAA7134_REGION_ENABLE, task);
459 saa_writel(SAA7134_IRQ1, irq);
460 saa_andorl(SAA7134_MAIN_CTRL,
461 SAA7134_MAIN_CTRL_TE0 |
462 SAA7134_MAIN_CTRL_TE1 |
463 SAA7134_MAIN_CTRL_TE2 |
464 SAA7134_MAIN_CTRL_TE3 |
465 SAA7134_MAIN_CTRL_TE4 |
466 SAA7134_MAIN_CTRL_TE5 |
467 SAA7134_MAIN_CTRL_TE6,
468 ctrl);
469 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
470 task, ctrl, irq, split ? "no" : "yes");
471
472 return 0;
473 }
474
475 /* ------------------------------------------------------------------ */
476 /* IRQ handler + helpers */
477
478 static char *irqbits[] = {
479 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
480 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
481 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
482 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
483 };
484 #define IRQBITS ARRAY_SIZE(irqbits)
485
486 static void print_irqstatus(struct saa7134_dev *dev, int loop,
487 unsigned long report, unsigned long status)
488 {
489 unsigned int i;
490
491 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
492 dev->name,loop,jiffies,report,status);
493 for (i = 0; i < IRQBITS; i++) {
494 if (!(report & (1 << i)))
495 continue;
496 printk(" %s",irqbits[i]);
497 }
498 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
499 printk(" | RA0=%s,%s,%s,%ld",
500 (status & 0x40) ? "vbi" : "video",
501 (status & 0x20) ? "b" : "a",
502 (status & 0x10) ? "odd" : "even",
503 (status & 0x0f));
504 }
505 printk("\n");
506 }
507
508 static irqreturn_t saa7134_irq(int irq, void *dev_id)
509 {
510 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
511 unsigned long report,status;
512 int loop, handled = 0;
513
514 if (dev->insuspend)
515 goto out;
516
517 for (loop = 0; loop < 10; loop++) {
518 report = saa_readl(SAA7134_IRQ_REPORT);
519 status = saa_readl(SAA7134_IRQ_STATUS);
520
521 /* If dmasound support is active and we get a sound report,
522 * mask out the report and let the saa7134-alsa module deal
523 * with it */
524 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
525 (dev->dmasound.priv_data != NULL) )
526 {
527 if (irq_debug > 1)
528 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
529 dev->name);
530 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
531 }
532
533 if (0 == report) {
534 if (irq_debug > 1)
535 printk(KERN_DEBUG "%s/irq: no (more) work\n",
536 dev->name);
537 goto out;
538 }
539
540 handled = 1;
541 saa_writel(SAA7134_IRQ_REPORT,report);
542 if (irq_debug)
543 print_irqstatus(dev,loop,report,status);
544
545
546 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
547 (report & SAA7134_IRQ_REPORT_INTL))
548 saa7134_irq_video_signalchange(dev);
549
550
551 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
552 (status & 0x60) == 0)
553 saa7134_irq_video_done(dev,status);
554
555 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
556 (status & 0x40) == 0x40)
557 saa7134_irq_vbi_done(dev,status);
558
559 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
560 card_has_mpeg(dev))
561 saa7134_irq_ts_done(dev,status);
562
563 if (report & SAA7134_IRQ_REPORT_GPIO16) {
564 switch (dev->has_remote) {
565 case SAA7134_REMOTE_GPIO:
566 if (!dev->remote)
567 break;
568 if (dev->remote->mask_keydown & 0x10000) {
569 saa7134_input_irq(dev);
570 }
571 break;
572
573 case SAA7134_REMOTE_I2C:
574 break; /* FIXME: invoke I2C get_key() */
575
576 default: /* GPIO16 not used by IR remote */
577 break;
578 }
579 }
580
581 if (report & SAA7134_IRQ_REPORT_GPIO18) {
582 switch (dev->has_remote) {
583 case SAA7134_REMOTE_GPIO:
584 if (!dev->remote)
585 break;
586 if ((dev->remote->mask_keydown & 0x40000) ||
587 (dev->remote->mask_keyup & 0x40000)) {
588 saa7134_input_irq(dev);
589 }
590 break;
591
592 case SAA7134_REMOTE_I2C:
593 break; /* FIXME: invoke I2C get_key() */
594
595 default: /* GPIO18 not used by IR remote */
596 break;
597 }
598 }
599 }
600
601 if (10 == loop) {
602 print_irqstatus(dev,loop,report,status);
603 if (report & SAA7134_IRQ_REPORT_PE) {
604 /* disable all parity error */
605 printk(KERN_WARNING "%s/irq: looping -- "
606 "clearing PE (parity error!) enable bit\n",dev->name);
607 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
608 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
609 /* disable gpio16 IRQ */
610 printk(KERN_WARNING "%s/irq: looping -- "
611 "clearing GPIO16 enable bit\n",dev->name);
612 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
613 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
614 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
615 /* disable gpio18 IRQs */
616 printk(KERN_WARNING "%s/irq: looping -- "
617 "clearing GPIO18 enable bit\n",dev->name);
618 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
619 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
620 } else {
621 /* disable all irqs */
622 printk(KERN_WARNING "%s/irq: looping -- "
623 "clearing all enable bits\n",dev->name);
624 saa_writel(SAA7134_IRQ1,0);
625 saa_writel(SAA7134_IRQ2,0);
626 }
627 }
628
629 out:
630 return IRQ_RETVAL(handled);
631 }
632
633 /* ------------------------------------------------------------------ */
634
635 /* early init (no i2c, no irq) */
636
637 static int saa7134_hw_enable1(struct saa7134_dev *dev)
638 {
639 /* RAM FIFO config */
640 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
641 saa_writel(SAA7134_THRESHOULD, 0x02020202);
642
643 /* enable audio + video processing */
644 saa_writel(SAA7134_MAIN_CTRL,
645 SAA7134_MAIN_CTRL_VPLLE |
646 SAA7134_MAIN_CTRL_APLLE |
647 SAA7134_MAIN_CTRL_EXOSC |
648 SAA7134_MAIN_CTRL_EVFE1 |
649 SAA7134_MAIN_CTRL_EVFE2 |
650 SAA7134_MAIN_CTRL_ESFE |
651 SAA7134_MAIN_CTRL_EBDAC);
652
653 /*
654 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
655 * OSS initialization writes to registers via the audio DSP; these
656 * writes will fail unless the audio clock has been started. At worst,
657 * audio will not work.
658 */
659
660 /* enable peripheral devices */
661 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
662
663 /* set vertical line numbering start (vbi needs this) */
664 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
665
666 return 0;
667 }
668
669 static int saa7134_hwinit1(struct saa7134_dev *dev)
670 {
671 dprintk("hwinit1\n");
672
673 saa_writel(SAA7134_IRQ1, 0);
674 saa_writel(SAA7134_IRQ2, 0);
675
676 /* Clear any stale IRQ reports */
677 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
678
679 mutex_init(&dev->lock);
680 spin_lock_init(&dev->slock);
681
682 saa7134_track_gpio(dev,"pre-init");
683 saa7134_video_init1(dev);
684 saa7134_vbi_init1(dev);
685 if (card_has_mpeg(dev))
686 saa7134_ts_init1(dev);
687 saa7134_input_init1(dev);
688
689 saa7134_hw_enable1(dev);
690
691 return 0;
692 }
693
694 /* late init (with i2c + irq) */
695 static int saa7134_hw_enable2(struct saa7134_dev *dev)
696 {
697
698 unsigned int irq2_mask;
699
700 /* enable IRQ's */
701 irq2_mask =
702 SAA7134_IRQ2_INTE_DEC3 |
703 SAA7134_IRQ2_INTE_DEC2 |
704 SAA7134_IRQ2_INTE_DEC1 |
705 SAA7134_IRQ2_INTE_DEC0 |
706 SAA7134_IRQ2_INTE_PE |
707 SAA7134_IRQ2_INTE_AR;
708
709 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
710 if (dev->remote->mask_keydown & 0x10000)
711 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
712 else { /* Allow enabling both IRQ edge triggers */
713 if (dev->remote->mask_keydown & 0x40000)
714 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
715 if (dev->remote->mask_keyup & 0x40000)
716 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
717 }
718 }
719
720 if (dev->has_remote == SAA7134_REMOTE_I2C) {
721 request_module("ir-kbd-i2c");
722 }
723
724 saa_writel(SAA7134_IRQ1, 0);
725 saa_writel(SAA7134_IRQ2, irq2_mask);
726
727 return 0;
728 }
729
730 static int saa7134_hwinit2(struct saa7134_dev *dev)
731 {
732
733 dprintk("hwinit2\n");
734
735 saa7134_video_init2(dev);
736 saa7134_tvaudio_init2(dev);
737
738 saa7134_hw_enable2(dev);
739
740 return 0;
741 }
742
743
744 /* shutdown */
745 static int saa7134_hwfini(struct saa7134_dev *dev)
746 {
747 dprintk("hwfini\n");
748
749 if (card_has_mpeg(dev))
750 saa7134_ts_fini(dev);
751 saa7134_input_fini(dev);
752 saa7134_vbi_fini(dev);
753 saa7134_tvaudio_fini(dev);
754 saa7134_video_fini(dev);
755 return 0;
756 }
757
758 static void must_configure_manually(int has_eeprom)
759 {
760 unsigned int i,p;
761
762 if (!has_eeprom)
763 printk(KERN_WARNING
764 "saa7134: <rant>\n"
765 "saa7134: Congratulations! Your TV card vendor saved a few\n"
766 "saa7134: cents for a eeprom, thus your pci board has no\n"
767 "saa7134: subsystem ID and I can't identify it automatically\n"
768 "saa7134: </rant>\n"
769 "saa7134: I feel better now. Ok, here are the good news:\n"
770 "saa7134: You can use the card=<nr> insmod option to specify\n"
771 "saa7134: which board do you have. The list:\n");
772 else
773 printk(KERN_WARNING
774 "saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
775 "saa7134: insmod option to specify which board do you have, but this is\n"
776 "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
777 "saa7134: for support at linux-media@vger.kernel.org.\n"
778 "saa7134: The supported cards are:\n");
779
780 for (i = 0; i < saa7134_bcount; i++) {
781 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
782 i,saa7134_boards[i].name);
783 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
784 if (saa7134_pci_tbl[p].driver_data != i)
785 continue;
786 printk(" %04x:%04x",
787 saa7134_pci_tbl[p].subvendor,
788 saa7134_pci_tbl[p].subdevice);
789 }
790 printk("\n");
791 }
792 }
793
794 static struct video_device *vdev_init(struct saa7134_dev *dev,
795 struct video_device *template,
796 char *type)
797 {
798 struct video_device *vfd;
799
800 vfd = video_device_alloc();
801 if (NULL == vfd)
802 return NULL;
803 *vfd = *template;
804 vfd->v4l2_dev = &dev->v4l2_dev;
805 vfd->release = video_device_release;
806 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
807 dev->name, type, saa7134_boards[dev->board].name);
808 set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
809 video_set_drvdata(vfd, dev);
810 return vfd;
811 }
812
813 static void saa7134_unregister_video(struct saa7134_dev *dev)
814 {
815 if (dev->video_dev) {
816 if (video_is_registered(dev->video_dev))
817 video_unregister_device(dev->video_dev);
818 else
819 video_device_release(dev->video_dev);
820 dev->video_dev = NULL;
821 }
822 if (dev->vbi_dev) {
823 if (video_is_registered(dev->vbi_dev))
824 video_unregister_device(dev->vbi_dev);
825 else
826 video_device_release(dev->vbi_dev);
827 dev->vbi_dev = NULL;
828 }
829 if (dev->radio_dev) {
830 if (video_is_registered(dev->radio_dev))
831 video_unregister_device(dev->radio_dev);
832 else
833 video_device_release(dev->radio_dev);
834 dev->radio_dev = NULL;
835 }
836 }
837
838 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
839 struct saa7134_dev *dev)
840 {
841 int err;
842
843 if (NULL != dev->mops)
844 return;
845 if (saa7134_boards[dev->board].mpeg != ops->type)
846 return;
847 err = ops->init(dev);
848 if (0 != err)
849 return;
850 dev->mops = ops;
851 }
852
853 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
854 struct saa7134_dev *dev)
855 {
856 if (NULL == dev->mops)
857 return;
858 if (dev->mops != ops)
859 return;
860 dev->mops->fini(dev);
861 dev->mops = NULL;
862 }
863
864 static int saa7134_initdev(struct pci_dev *pci_dev,
865 const struct pci_device_id *pci_id)
866 {
867 struct saa7134_dev *dev;
868 struct saa7134_mpeg_ops *mops;
869 int err;
870
871 if (saa7134_devcount == SAA7134_MAXBOARDS)
872 return -ENOMEM;
873
874 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
875 if (NULL == dev)
876 return -ENOMEM;
877
878 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
879 if (err)
880 goto fail0;
881
882 /* pci init */
883 dev->pci = pci_dev;
884 if (pci_enable_device(pci_dev)) {
885 err = -EIO;
886 goto fail1;
887 }
888
889 dev->nr = saa7134_devcount;
890 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
891
892 /* pci quirks */
893 if (pci_pci_problems) {
894 if (pci_pci_problems & PCIPCI_TRITON)
895 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
896 if (pci_pci_problems & PCIPCI_NATOMA)
897 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
898 if (pci_pci_problems & PCIPCI_VIAETBF)
899 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
900 if (pci_pci_problems & PCIPCI_VSFX)
901 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
902 #ifdef PCIPCI_ALIMAGIK
903 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
904 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
905 dev->name);
906 latency = 0x0A;
907 }
908 #endif
909 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
910 printk(KERN_INFO "%s: quirk: this driver and your "
911 "chipset may not work together"
912 " in overlay mode.\n",dev->name);
913 if (!saa7134_no_overlay) {
914 printk(KERN_INFO "%s: quirk: overlay "
915 "mode will be disabled.\n",
916 dev->name);
917 saa7134_no_overlay = 1;
918 } else {
919 printk(KERN_INFO "%s: quirk: overlay "
920 "mode will be forced. Use this"
921 " option at your own risk.\n",
922 dev->name);
923 }
924 }
925 }
926 if (UNSET != latency) {
927 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
928 dev->name,latency);
929 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
930 }
931
932 /* print pci info */
933 dev->pci_rev = pci_dev->revision;
934 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
935 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
936 "latency: %d, mmio: 0x%llx\n", dev->name,
937 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
938 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
939 pci_set_master(pci_dev);
940 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
941 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
942 err = -EIO;
943 goto fail1;
944 }
945
946 /* board config */
947 dev->board = pci_id->driver_data;
948 if ((unsigned)card[dev->nr] < saa7134_bcount)
949 dev->board = card[dev->nr];
950 if (SAA7134_BOARD_UNKNOWN == dev->board)
951 must_configure_manually(0);
952 else if (SAA7134_BOARD_NOAUTO == dev->board) {
953 must_configure_manually(1);
954 dev->board = SAA7134_BOARD_UNKNOWN;
955 }
956 dev->autodetected = card[dev->nr] != dev->board;
957 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
958 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
959 dev->radio_type = saa7134_boards[dev->board].radio_type;
960 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
961 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
962 if (UNSET != tuner[dev->nr])
963 dev->tuner_type = tuner[dev->nr];
964 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
965 dev->name,pci_dev->subsystem_vendor,
966 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
967 dev->board, dev->autodetected ?
968 "autodetected" : "insmod option");
969
970 /* get mmio */
971 if (!request_mem_region(pci_resource_start(pci_dev,0),
972 pci_resource_len(pci_dev,0),
973 dev->name)) {
974 err = -EBUSY;
975 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
976 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
977 goto fail1;
978 }
979 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
980 pci_resource_len(pci_dev, 0));
981 dev->bmmio = (__u8 __iomem *)dev->lmmio;
982 if (NULL == dev->lmmio) {
983 err = -EIO;
984 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
985 dev->name);
986 goto fail2;
987 }
988
989 /* initialize hardware #1 */
990 saa7134_board_init1(dev);
991 saa7134_hwinit1(dev);
992
993 /* get irq */
994 err = request_irq(pci_dev->irq, saa7134_irq,
995 IRQF_SHARED, dev->name, dev);
996 if (err < 0) {
997 printk(KERN_ERR "%s: can't get IRQ %d\n",
998 dev->name,pci_dev->irq);
999 goto fail3;
1000 }
1001
1002 /* wait a bit, register i2c bus */
1003 msleep(100);
1004 saa7134_i2c_register(dev);
1005 saa7134_board_init2(dev);
1006
1007 saa7134_hwinit2(dev);
1008
1009 /* load i2c helpers */
1010 if (card_is_empress(dev)) {
1011 dev->empress_sd =
1012 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
1013 "saa6752hs",
1014 saa7134_boards[dev->board].empress_addr, NULL);
1015
1016 if (dev->empress_sd)
1017 dev->empress_sd->grp_id = GRP_EMPRESS;
1018 }
1019
1020 if (saa7134_boards[dev->board].rds_addr) {
1021 struct v4l2_subdev *sd;
1022
1023 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1024 &dev->i2c_adap, "saa6588",
1025 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1026 if (sd) {
1027 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
1028 dev->has_rds = 1;
1029 }
1030 }
1031
1032 mutex_lock(&saa7134_devlist_lock);
1033 list_for_each_entry(mops, &mops_list, next)
1034 mpeg_ops_attach(mops, dev);
1035 list_add_tail(&dev->devlist, &saa7134_devlist);
1036 mutex_unlock(&saa7134_devlist_lock);
1037
1038 /* check for signal */
1039 saa7134_irq_video_signalchange(dev);
1040
1041 if (TUNER_ABSENT != dev->tuner_type)
1042 saa_call_all(dev, core, s_power, 0);
1043
1044 /* register v4l devices */
1045 if (saa7134_no_overlay > 0)
1046 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1047
1048 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1049 dev->video_dev->ctrl_handler = &dev->ctrl_handler;
1050 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1051 video_nr[dev->nr]);
1052 if (err < 0) {
1053 printk(KERN_INFO "%s: can't register video device\n",
1054 dev->name);
1055 goto fail4;
1056 }
1057 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1058 dev->name, video_device_node_name(dev->video_dev));
1059
1060 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1061 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
1062
1063 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1064 vbi_nr[dev->nr]);
1065 if (err < 0)
1066 goto fail4;
1067 printk(KERN_INFO "%s: registered device %s\n",
1068 dev->name, video_device_node_name(dev->vbi_dev));
1069
1070 if (card_has_radio(dev)) {
1071 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1072 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
1073 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1074 radio_nr[dev->nr]);
1075 if (err < 0)
1076 goto fail4;
1077 printk(KERN_INFO "%s: registered device %s\n",
1078 dev->name, video_device_node_name(dev->radio_dev));
1079 }
1080
1081 /* everything worked */
1082 saa7134_devcount++;
1083
1084 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1085 saa7134_dmasound_init(dev);
1086
1087 request_submodules(dev);
1088 return 0;
1089
1090 fail4:
1091 saa7134_unregister_video(dev);
1092 saa7134_i2c_unregister(dev);
1093 free_irq(pci_dev->irq, dev);
1094 fail3:
1095 saa7134_hwfini(dev);
1096 iounmap(dev->lmmio);
1097 fail2:
1098 release_mem_region(pci_resource_start(pci_dev,0),
1099 pci_resource_len(pci_dev,0));
1100 fail1:
1101 v4l2_device_unregister(&dev->v4l2_dev);
1102 fail0:
1103 kfree(dev);
1104 return err;
1105 }
1106
1107 static void saa7134_finidev(struct pci_dev *pci_dev)
1108 {
1109 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1110 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1111 struct saa7134_mpeg_ops *mops;
1112
1113 flush_request_submodules(dev);
1114
1115 /* Release DMA sound modules if present */
1116 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1117 saa7134_dmasound_exit(dev);
1118 }
1119
1120 /* debugging ... */
1121 if (irq_debug) {
1122 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1123 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1124 print_irqstatus(dev,42,report,status);
1125 }
1126
1127 /* disable peripheral devices */
1128 saa_writeb(SAA7134_SPECIAL_MODE,0);
1129
1130 /* shutdown hardware */
1131 saa_writel(SAA7134_IRQ1,0);
1132 saa_writel(SAA7134_IRQ2,0);
1133 saa_writel(SAA7134_MAIN_CTRL,0);
1134
1135 /* shutdown subsystems */
1136 saa7134_hwfini(dev);
1137
1138 /* unregister */
1139 mutex_lock(&saa7134_devlist_lock);
1140 list_del(&dev->devlist);
1141 list_for_each_entry(mops, &mops_list, next)
1142 mpeg_ops_detach(mops, dev);
1143 mutex_unlock(&saa7134_devlist_lock);
1144 saa7134_devcount--;
1145
1146 saa7134_i2c_unregister(dev);
1147 saa7134_unregister_video(dev);
1148
1149
1150 /* the DMA sound modules should be unloaded before reaching
1151 this, but just in case they are still present... */
1152 if (dev->dmasound.priv_data != NULL) {
1153 free_irq(pci_dev->irq, &dev->dmasound);
1154 dev->dmasound.priv_data = NULL;
1155 }
1156
1157
1158 /* release resources */
1159 free_irq(pci_dev->irq, dev);
1160 iounmap(dev->lmmio);
1161 release_mem_region(pci_resource_start(pci_dev,0),
1162 pci_resource_len(pci_dev,0));
1163
1164
1165 v4l2_device_unregister(&dev->v4l2_dev);
1166
1167 /* free memory */
1168 kfree(dev);
1169 }
1170
1171 #ifdef CONFIG_PM
1172
1173 /* resends a current buffer in queue after resume */
1174 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1175 struct saa7134_dmaqueue *q)
1176 {
1177 struct saa7134_buf *buf, *next;
1178
1179 assert_spin_locked(&dev->slock);
1180
1181 buf = q->curr;
1182 next = buf;
1183 dprintk("buffer_requeue\n");
1184
1185 if (!buf)
1186 return 0;
1187
1188 dprintk("buffer_requeue : resending active buffers \n");
1189
1190 if (!list_empty(&q->queue))
1191 next = list_entry(q->queue.next, struct saa7134_buf,
1192 vb.queue);
1193 buf->activate(dev, buf, next);
1194
1195 return 0;
1196 }
1197
1198 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1199 {
1200 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1201 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1202
1203 /* disable overlay - apps should enable it explicitly on resume*/
1204 dev->ovenable = 0;
1205
1206 /* Disable interrupts, DMA, and rest of the chip*/
1207 saa_writel(SAA7134_IRQ1, 0);
1208 saa_writel(SAA7134_IRQ2, 0);
1209 saa_writel(SAA7134_MAIN_CTRL, 0);
1210
1211 dev->insuspend = 1;
1212 synchronize_irq(pci_dev->irq);
1213
1214 /* ACK interrupts once more, just in case,
1215 since the IRQ handler won't ack them anymore*/
1216
1217 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1218
1219 /* Disable timeout timers - if we have active buffers, we will
1220 fill them on resume*/
1221
1222 del_timer(&dev->video_q.timeout);
1223 del_timer(&dev->vbi_q.timeout);
1224 del_timer(&dev->ts_q.timeout);
1225
1226 if (dev->remote)
1227 saa7134_ir_stop(dev);
1228
1229 pci_save_state(pci_dev);
1230 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1231
1232 return 0;
1233 }
1234
1235 static int saa7134_resume(struct pci_dev *pci_dev)
1236 {
1237 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1238 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1239 unsigned long flags;
1240
1241 pci_set_power_state(pci_dev, PCI_D0);
1242 pci_restore_state(pci_dev);
1243
1244 /* Do things that are done in saa7134_initdev ,
1245 except of initializing memory structures.*/
1246
1247 saa7134_board_init1(dev);
1248
1249 /* saa7134_hwinit1 */
1250 if (saa7134_boards[dev->board].video_out)
1251 saa7134_videoport_init(dev);
1252 if (card_has_mpeg(dev))
1253 saa7134_ts_init_hw(dev);
1254 if (dev->remote)
1255 saa7134_ir_start(dev);
1256 saa7134_hw_enable1(dev);
1257
1258 msleep(100);
1259
1260 saa7134_board_init2(dev);
1261
1262 /*saa7134_hwinit2*/
1263 saa7134_set_tvnorm_hw(dev);
1264 saa7134_tvaudio_setmute(dev);
1265 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1266 saa7134_tvaudio_init(dev);
1267 saa7134_enable_i2s(dev);
1268 saa7134_hw_enable2(dev);
1269
1270 saa7134_irq_video_signalchange(dev);
1271
1272 /*resume unfinished buffer(s)*/
1273 spin_lock_irqsave(&dev->slock, flags);
1274 saa7134_buffer_requeue(dev, &dev->video_q);
1275 saa7134_buffer_requeue(dev, &dev->vbi_q);
1276 saa7134_buffer_requeue(dev, &dev->ts_q);
1277
1278 /* FIXME: Disable DMA audio sound - temporary till proper support
1279 is implemented*/
1280
1281 dev->dmasound.dma_running = 0;
1282
1283 /* start DMA now*/
1284 dev->insuspend = 0;
1285 smp_wmb();
1286 saa7134_set_dmabits(dev);
1287 spin_unlock_irqrestore(&dev->slock, flags);
1288
1289 return 0;
1290 }
1291 #endif
1292
1293 /* ----------------------------------------------------------- */
1294
1295 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1296 {
1297 struct saa7134_dev *dev;
1298
1299 mutex_lock(&saa7134_devlist_lock);
1300 list_for_each_entry(dev, &saa7134_devlist, devlist)
1301 mpeg_ops_attach(ops, dev);
1302 list_add_tail(&ops->next,&mops_list);
1303 mutex_unlock(&saa7134_devlist_lock);
1304 return 0;
1305 }
1306
1307 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1308 {
1309 struct saa7134_dev *dev;
1310
1311 mutex_lock(&saa7134_devlist_lock);
1312 list_del(&ops->next);
1313 list_for_each_entry(dev, &saa7134_devlist, devlist)
1314 mpeg_ops_detach(ops, dev);
1315 mutex_unlock(&saa7134_devlist_lock);
1316 }
1317
1318 EXPORT_SYMBOL(saa7134_ts_register);
1319 EXPORT_SYMBOL(saa7134_ts_unregister);
1320
1321 /* ----------------------------------------------------------- */
1322
1323 static struct pci_driver saa7134_pci_driver = {
1324 .name = "saa7134",
1325 .id_table = saa7134_pci_tbl,
1326 .probe = saa7134_initdev,
1327 .remove = saa7134_finidev,
1328 #ifdef CONFIG_PM
1329 .suspend = saa7134_suspend,
1330 .resume = saa7134_resume
1331 #endif
1332 };
1333
1334 static int __init saa7134_init(void)
1335 {
1336 INIT_LIST_HEAD(&saa7134_devlist);
1337 printk(KERN_INFO "saa7130/34: v4l2 driver version %s loaded\n",
1338 SAA7134_VERSION);
1339 return pci_register_driver(&saa7134_pci_driver);
1340 }
1341
1342 static void __exit saa7134_fini(void)
1343 {
1344 pci_unregister_driver(&saa7134_pci_driver);
1345 }
1346
1347 module_init(saa7134_init);
1348 module_exit(saa7134_fini);
1349
1350 /* ----------------------------------------------------------- */
1351
1352 EXPORT_SYMBOL(saa7134_set_gpio);
1353 EXPORT_SYMBOL(saa7134_boards);
1354
1355 /* ----------------- for the DMA sound modules --------------- */
1356
1357 EXPORT_SYMBOL(saa7134_dmasound_init);
1358 EXPORT_SYMBOL(saa7134_dmasound_exit);
1359 EXPORT_SYMBOL(saa7134_pgtable_free);
1360 EXPORT_SYMBOL(saa7134_pgtable_build);
1361 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1362 EXPORT_SYMBOL(saa7134_set_dmabits);
1363
1364 /* ----------------------------------------------------------- */
1365 /*
1366 * Local variables:
1367 * c-basic-offset: 8
1368 * End:
1369 */
Linux with added FPC-III support