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sfc: Don't use enums as a bitmask.
[zen-stable.git] / drivers / media / video / saa7134 / saa7134-core.c
blob41f836fc93ec3adf4e2cdfc909220904244771b4
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 static void flush_request_submodules(struct saa7134_dev *dev)
170 {
171 flush_work_sync(&dev->request_module_wk);
172 }
173
174 #else
175 #define request_submodules(dev)
176 #define flush_request_submodules(dev)
177 #endif /* CONFIG_MODULES */
178
179 /* ------------------------------------------------------------------ */
180
181 /* nr of (saa7134-)pages for the given buffer size */
182 static int saa7134_buffer_pages(int size)
183 {
184 size = PAGE_ALIGN(size);
185 size += PAGE_SIZE; /* for non-page-aligned buffers */
186 size /= 4096;
187 return size;
188 }
189
190 /* calc max # of buffers from size (must not exceed the 4MB virtual
191 * address space per DMA channel) */
192 int saa7134_buffer_count(unsigned int size, unsigned int count)
193 {
194 unsigned int maxcount;
195
196 maxcount = 1024 / saa7134_buffer_pages(size);
197 if (count > maxcount)
198 count = maxcount;
199 return count;
200 }
201
202 int saa7134_buffer_startpage(struct saa7134_buf *buf)
203 {
204 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
205 }
206
207 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
208 {
209 unsigned long base;
210 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
211
212 base = saa7134_buffer_startpage(buf) * 4096;
213 base += dma->sglist[0].offset;
214 return base;
215 }
216
217 /* ------------------------------------------------------------------ */
218
219 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
220 {
221 __le32 *cpu;
222 dma_addr_t dma_addr = 0;
223
224 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
225 if (NULL == cpu)
226 return -ENOMEM;
227 pt->size = SAA7134_PGTABLE_SIZE;
228 pt->cpu = cpu;
229 pt->dma = dma_addr;
230 return 0;
231 }
232
233 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
234 struct scatterlist *list, unsigned int length,
235 unsigned int startpage)
236 {
237 __le32 *ptr;
238 unsigned int i,p;
239
240 BUG_ON(NULL == pt || NULL == pt->cpu);
241
242 ptr = pt->cpu + startpage;
243 for (i = 0; i < length; i++, list++)
244 for (p = 0; p * 4096 < list->length; p++, ptr++)
245 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
246 return 0;
247 }
248
249 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
250 {
251 if (NULL == pt->cpu)
252 return;
253 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
254 pt->cpu = NULL;
255 }
256
257 /* ------------------------------------------------------------------ */
258
259 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
260 {
261 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
262 BUG_ON(in_interrupt());
263
264 videobuf_waiton(q, &buf->vb, 0, 0);
265 videobuf_dma_unmap(q->dev, dma);
266 videobuf_dma_free(dma);
267 buf->vb.state = VIDEOBUF_NEEDS_INIT;
268 }
269
270 /* ------------------------------------------------------------------ */
271
272 int saa7134_buffer_queue(struct saa7134_dev *dev,
273 struct saa7134_dmaqueue *q,
274 struct saa7134_buf *buf)
275 {
276 struct saa7134_buf *next = NULL;
277
278 assert_spin_locked(&dev->slock);
279 dprintk("buffer_queue %p\n",buf);
280 if (NULL == q->curr) {
281 if (!q->need_two) {
282 q->curr = buf;
283 buf->activate(dev,buf,NULL);
284 } else if (list_empty(&q->queue)) {
285 list_add_tail(&buf->vb.queue,&q->queue);
286 buf->vb.state = VIDEOBUF_QUEUED;
287 } else {
288 next = list_entry(q->queue.next,struct saa7134_buf,
289 vb.queue);
290 q->curr = buf;
291 buf->activate(dev,buf,next);
292 }
293 } else {
294 list_add_tail(&buf->vb.queue,&q->queue);
295 buf->vb.state = VIDEOBUF_QUEUED;
296 }
297 return 0;
298 }
299
300 void saa7134_buffer_finish(struct saa7134_dev *dev,
301 struct saa7134_dmaqueue *q,
302 unsigned int state)
303 {
304 assert_spin_locked(&dev->slock);
305 dprintk("buffer_finish %p\n",q->curr);
306
307 /* finish current buffer */
308 q->curr->vb.state = state;
309 do_gettimeofday(&q->curr->vb.ts);
310 wake_up(&q->curr->vb.done);
311 q->curr = NULL;
312 }
313
314 void saa7134_buffer_next(struct saa7134_dev *dev,
315 struct saa7134_dmaqueue *q)
316 {
317 struct saa7134_buf *buf,*next = NULL;
318
319 assert_spin_locked(&dev->slock);
320 BUG_ON(NULL != q->curr);
321
322 if (!list_empty(&q->queue)) {
323 /* activate next one from queue */
324 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
325 dprintk("buffer_next %p [prev=%p/next=%p]\n",
326 buf,q->queue.prev,q->queue.next);
327 list_del(&buf->vb.queue);
328 if (!list_empty(&q->queue))
329 next = list_entry(q->queue.next,struct saa7134_buf,
330 vb.queue);
331 q->curr = buf;
332 buf->activate(dev,buf,next);
333 dprintk("buffer_next #2 prev=%p/next=%p\n",
334 q->queue.prev,q->queue.next);
335 } else {
336 /* nothing to do -- just stop DMA */
337 dprintk("buffer_next %p\n",NULL);
338 saa7134_set_dmabits(dev);
339 del_timer(&q->timeout);
340
341 if (card_has_mpeg(dev))
342 if (dev->ts_started)
343 saa7134_ts_stop(dev);
344 }
345 }
346
347 void saa7134_buffer_timeout(unsigned long data)
348 {
349 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
350 struct saa7134_dev *dev = q->dev;
351 unsigned long flags;
352
353 spin_lock_irqsave(&dev->slock,flags);
354
355 /* try to reset the hardware (SWRST) */
356 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
357 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
358 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
359
360 /* flag current buffer as failed,
361 try to start over with the next one. */
362 if (q->curr) {
363 dprintk("timeout on %p\n",q->curr);
364 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
365 }
366 saa7134_buffer_next(dev,q);
367 spin_unlock_irqrestore(&dev->slock,flags);
368 }
369
370 /* ------------------------------------------------------------------ */
371
372 int saa7134_set_dmabits(struct saa7134_dev *dev)
373 {
374 u32 split, task=0, ctrl=0, irq=0;
375 enum v4l2_field cap = V4L2_FIELD_ANY;
376 enum v4l2_field ov = V4L2_FIELD_ANY;
377
378 assert_spin_locked(&dev->slock);
379
380 if (dev->insuspend)
381 return 0;
382
383 /* video capture -- dma 0 + video task A */
384 if (dev->video_q.curr) {
385 task |= 0x01;
386 ctrl |= SAA7134_MAIN_CTRL_TE0;
387 irq |= SAA7134_IRQ1_INTE_RA0_1 |
388 SAA7134_IRQ1_INTE_RA0_0;
389 cap = dev->video_q.curr->vb.field;
390 }
391
392 /* video capture -- dma 1+2 (planar modes) */
393 if (dev->video_q.curr &&
394 dev->video_q.curr->fmt->planar) {
395 ctrl |= SAA7134_MAIN_CTRL_TE4 |
396 SAA7134_MAIN_CTRL_TE5;
397 }
398
399 /* screen overlay -- dma 0 + video task B */
400 if (dev->ovenable) {
401 task |= 0x10;
402 ctrl |= SAA7134_MAIN_CTRL_TE1;
403 ov = dev->ovfield;
404 }
405
406 /* vbi capture -- dma 0 + vbi task A+B */
407 if (dev->vbi_q.curr) {
408 task |= 0x22;
409 ctrl |= SAA7134_MAIN_CTRL_TE2 |
410 SAA7134_MAIN_CTRL_TE3;
411 irq |= SAA7134_IRQ1_INTE_RA0_7 |
412 SAA7134_IRQ1_INTE_RA0_6 |
413 SAA7134_IRQ1_INTE_RA0_5 |
414 SAA7134_IRQ1_INTE_RA0_4;
415 }
416
417 /* audio capture -- dma 3 */
418 if (dev->dmasound.dma_running) {
419 ctrl |= SAA7134_MAIN_CTRL_TE6;
420 irq |= SAA7134_IRQ1_INTE_RA3_1 |
421 SAA7134_IRQ1_INTE_RA3_0;
422 }
423
424 /* TS capture -- dma 5 */
425 if (dev->ts_q.curr) {
426 ctrl |= SAA7134_MAIN_CTRL_TE5;
427 irq |= SAA7134_IRQ1_INTE_RA2_1 |
428 SAA7134_IRQ1_INTE_RA2_0;
429 }
430
431 /* set task conditions + field handling */
432 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
433 /* default config -- use full frames */
434 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
435 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
436 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
437 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
438 split = 0;
439 } else {
440 /* split fields between tasks */
441 if (V4L2_FIELD_TOP == cap) {
442 /* odd A, even B, repeat */
443 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
444 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
445 } else {
446 /* odd B, even A, repeat */
447 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
448 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
449 }
450 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
451 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
452 split = 1;
453 }
454
455 /* irqs */
456 saa_writeb(SAA7134_REGION_ENABLE, task);
457 saa_writel(SAA7134_IRQ1, irq);
458 saa_andorl(SAA7134_MAIN_CTRL,
459 SAA7134_MAIN_CTRL_TE0 |
460 SAA7134_MAIN_CTRL_TE1 |
461 SAA7134_MAIN_CTRL_TE2 |
462 SAA7134_MAIN_CTRL_TE3 |
463 SAA7134_MAIN_CTRL_TE4 |
464 SAA7134_MAIN_CTRL_TE5 |
465 SAA7134_MAIN_CTRL_TE6,
466 ctrl);
467 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
468 task, ctrl, irq, split ? "no" : "yes");
469
470 return 0;
471 }
472
473 /* ------------------------------------------------------------------ */
474 /* IRQ handler + helpers */
475
476 static char *irqbits[] = {
477 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
478 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
479 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
480 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
481 };
482 #define IRQBITS ARRAY_SIZE(irqbits)
483
484 static void print_irqstatus(struct saa7134_dev *dev, int loop,
485 unsigned long report, unsigned long status)
486 {
487 unsigned int i;
488
489 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
490 dev->name,loop,jiffies,report,status);
491 for (i = 0; i < IRQBITS; i++) {
492 if (!(report & (1 << i)))
493 continue;
494 printk(" %s",irqbits[i]);
495 }
496 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
497 printk(" | RA0=%s,%s,%s,%ld",
498 (status & 0x40) ? "vbi" : "video",
499 (status & 0x20) ? "b" : "a",
500 (status & 0x10) ? "odd" : "even",
501 (status & 0x0f));
502 }
503 printk("\n");
504 }
505
506 static irqreturn_t saa7134_irq(int irq, void *dev_id)
507 {
508 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
509 unsigned long report,status;
510 int loop, handled = 0;
511
512 if (dev->insuspend)
513 goto out;
514
515 for (loop = 0; loop < 10; loop++) {
516 report = saa_readl(SAA7134_IRQ_REPORT);
517 status = saa_readl(SAA7134_IRQ_STATUS);
518
519 /* If dmasound support is active and we get a sound report,
520 * mask out the report and let the saa7134-alsa module deal
521 * with it */
522 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
523 (dev->dmasound.priv_data != NULL) )
524 {
525 if (irq_debug > 1)
526 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
527 dev->name);
528 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
529 }
530
531 if (0 == report) {
532 if (irq_debug > 1)
533 printk(KERN_DEBUG "%s/irq: no (more) work\n",
534 dev->name);
535 goto out;
536 }
537
538 handled = 1;
539 saa_writel(SAA7134_IRQ_REPORT,report);
540 if (irq_debug)
541 print_irqstatus(dev,loop,report,status);
542
543
544 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
545 (report & SAA7134_IRQ_REPORT_INTL))
546 saa7134_irq_video_signalchange(dev);
547
548
549 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
550 (status & 0x60) == 0)
551 saa7134_irq_video_done(dev,status);
552
553 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
554 (status & 0x40) == 0x40)
555 saa7134_irq_vbi_done(dev,status);
556
557 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
558 card_has_mpeg(dev))
559 saa7134_irq_ts_done(dev,status);
560
561 if (report & SAA7134_IRQ_REPORT_GPIO16) {
562 switch (dev->has_remote) {
563 case SAA7134_REMOTE_GPIO:
564 if (!dev->remote)
565 break;
566 if (dev->remote->mask_keydown & 0x10000) {
567 saa7134_input_irq(dev);
568 }
569 break;
570
571 case SAA7134_REMOTE_I2C:
572 break; /* FIXME: invoke I2C get_key() */
573
574 default: /* GPIO16 not used by IR remote */
575 break;
576 }
577 }
578
579 if (report & SAA7134_IRQ_REPORT_GPIO18) {
580 switch (dev->has_remote) {
581 case SAA7134_REMOTE_GPIO:
582 if (!dev->remote)
583 break;
584 if ((dev->remote->mask_keydown & 0x40000) ||
585 (dev->remote->mask_keyup & 0x40000)) {
586 saa7134_input_irq(dev);
587 }
588 break;
589
590 case SAA7134_REMOTE_I2C:
591 break; /* FIXME: invoke I2C get_key() */
592
593 default: /* GPIO18 not used by IR remote */
594 break;
595 }
596 }
597 }
598
599 if (10 == loop) {
600 print_irqstatus(dev,loop,report,status);
601 if (report & SAA7134_IRQ_REPORT_PE) {
602 /* disable all parity error */
603 printk(KERN_WARNING "%s/irq: looping -- "
604 "clearing PE (parity error!) enable bit\n",dev->name);
605 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
606 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
607 /* disable gpio16 IRQ */
608 printk(KERN_WARNING "%s/irq: looping -- "
609 "clearing GPIO16 enable bit\n",dev->name);
610 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
611 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
612 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
613 /* disable gpio18 IRQs */
614 printk(KERN_WARNING "%s/irq: looping -- "
615 "clearing GPIO18 enable bit\n",dev->name);
616 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
617 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
618 } else {
619 /* disable all irqs */
620 printk(KERN_WARNING "%s/irq: looping -- "
621 "clearing all enable bits\n",dev->name);
622 saa_writel(SAA7134_IRQ1,0);
623 saa_writel(SAA7134_IRQ2,0);
624 }
625 }
626
627 out:
628 return IRQ_RETVAL(handled);
629 }
630
631 /* ------------------------------------------------------------------ */
632
633 /* early init (no i2c, no irq) */
634
635 static int saa7134_hw_enable1(struct saa7134_dev *dev)
636 {
637 /* RAM FIFO config */
638 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
639 saa_writel(SAA7134_THRESHOULD, 0x02020202);
640
641 /* enable audio + video processing */
642 saa_writel(SAA7134_MAIN_CTRL,
643 SAA7134_MAIN_CTRL_VPLLE |
644 SAA7134_MAIN_CTRL_APLLE |
645 SAA7134_MAIN_CTRL_EXOSC |
646 SAA7134_MAIN_CTRL_EVFE1 |
647 SAA7134_MAIN_CTRL_EVFE2 |
648 SAA7134_MAIN_CTRL_ESFE |
649 SAA7134_MAIN_CTRL_EBDAC);
650
651 /*
652 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
653 * OSS initialization writes to registers via the audio DSP; these
654 * writes will fail unless the audio clock has been started. At worst,
655 * audio will not work.
656 */
657
658 /* enable peripheral devices */
659 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
660
661 /* set vertical line numbering start (vbi needs this) */
662 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
663
664 return 0;
665 }
666
667 static int saa7134_hwinit1(struct saa7134_dev *dev)
668 {
669 dprintk("hwinit1\n");
670
671 saa_writel(SAA7134_IRQ1, 0);
672 saa_writel(SAA7134_IRQ2, 0);
673
674 /* Clear any stale IRQ reports */
675 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
676
677 mutex_init(&dev->lock);
678 spin_lock_init(&dev->slock);
679
680 saa7134_track_gpio(dev,"pre-init");
681 saa7134_video_init1(dev);
682 saa7134_vbi_init1(dev);
683 if (card_has_mpeg(dev))
684 saa7134_ts_init1(dev);
685 saa7134_input_init1(dev);
686
687 saa7134_hw_enable1(dev);
688
689 return 0;
690 }
691
692 /* late init (with i2c + irq) */
693 static int saa7134_hw_enable2(struct saa7134_dev *dev)
694 {
695
696 unsigned int irq2_mask;
697
698 /* enable IRQ's */
699 irq2_mask =
700 SAA7134_IRQ2_INTE_DEC3 |
701 SAA7134_IRQ2_INTE_DEC2 |
702 SAA7134_IRQ2_INTE_DEC1 |
703 SAA7134_IRQ2_INTE_DEC0 |
704 SAA7134_IRQ2_INTE_PE |
705 SAA7134_IRQ2_INTE_AR;
706
707 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
708 if (dev->remote->mask_keydown & 0x10000)
709 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
710 else { /* Allow enabling both IRQ edge triggers */
711 if (dev->remote->mask_keydown & 0x40000)
712 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
713 if (dev->remote->mask_keyup & 0x40000)
714 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
715 }
716 }
717
718 if (dev->has_remote == SAA7134_REMOTE_I2C) {
719 request_module("ir-kbd-i2c");
720 }
721
722 saa_writel(SAA7134_IRQ1, 0);
723 saa_writel(SAA7134_IRQ2, irq2_mask);
724
725 return 0;
726 }
727
728 static int saa7134_hwinit2(struct saa7134_dev *dev)
729 {
730
731 dprintk("hwinit2\n");
732
733 saa7134_video_init2(dev);
734 saa7134_tvaudio_init2(dev);
735
736 saa7134_hw_enable2(dev);
737
738 return 0;
739 }
740
741
742 /* shutdown */
743 static int saa7134_hwfini(struct saa7134_dev *dev)
744 {
745 dprintk("hwfini\n");
746
747 if (card_has_mpeg(dev))
748 saa7134_ts_fini(dev);
749 saa7134_input_fini(dev);
750 saa7134_vbi_fini(dev);
751 saa7134_tvaudio_fini(dev);
752 return 0;
753 }
754
755 static void __devinit must_configure_manually(int has_eeprom)
756 {
757 unsigned int i,p;
758
759 if (!has_eeprom)
760 printk(KERN_WARNING
761 "saa7134: <rant>\n"
762 "saa7134: Congratulations! Your TV card vendor saved a few\n"
763 "saa7134: cents for a eeprom, thus your pci board has no\n"
764 "saa7134: subsystem ID and I can't identify it automatically\n"
765 "saa7134: </rant>\n"
766 "saa7134: I feel better now. Ok, here are the good news:\n"
767 "saa7134: You can use the card=<nr> insmod option to specify\n"
768 "saa7134: which board do you have. The list:\n");
769 else
770 printk(KERN_WARNING
771 "saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
772 "saa7134: insmod option to specify which board do you have, but this is\n"
773 "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
774 "saa7134: for support at linux-media@vger.kernel.org.\n"
775 "saa7134: The supported cards are:\n");
776
777 for (i = 0; i < saa7134_bcount; i++) {
778 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
779 i,saa7134_boards[i].name);
780 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
781 if (saa7134_pci_tbl[p].driver_data != i)
782 continue;
783 printk(" %04x:%04x",
784 saa7134_pci_tbl[p].subvendor,
785 saa7134_pci_tbl[p].subdevice);
786 }
787 printk("\n");
788 }
789 }
790
791 static struct video_device *vdev_init(struct saa7134_dev *dev,
792 struct video_device *template,
793 char *type)
794 {
795 struct video_device *vfd;
796
797 vfd = video_device_alloc();
798 if (NULL == vfd)
799 return NULL;
800 *vfd = *template;
801 vfd->v4l2_dev = &dev->v4l2_dev;
802 vfd->release = video_device_release;
803 vfd->debug = video_debug;
804 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
805 dev->name, type, saa7134_boards[dev->board].name);
806 video_set_drvdata(vfd, dev);
807 return vfd;
808 }
809
810 static void saa7134_unregister_video(struct saa7134_dev *dev)
811 {
812 if (dev->video_dev) {
813 if (video_is_registered(dev->video_dev))
814 video_unregister_device(dev->video_dev);
815 else
816 video_device_release(dev->video_dev);
817 dev->video_dev = NULL;
818 }
819 if (dev->vbi_dev) {
820 if (video_is_registered(dev->vbi_dev))
821 video_unregister_device(dev->vbi_dev);
822 else
823 video_device_release(dev->vbi_dev);
824 dev->vbi_dev = NULL;
825 }
826 if (dev->radio_dev) {
827 if (video_is_registered(dev->radio_dev))
828 video_unregister_device(dev->radio_dev);
829 else
830 video_device_release(dev->radio_dev);
831 dev->radio_dev = NULL;
832 }
833 }
834
835 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
836 struct saa7134_dev *dev)
837 {
838 int err;
839
840 if (NULL != dev->mops)
841 return;
842 if (saa7134_boards[dev->board].mpeg != ops->type)
843 return;
844 err = ops->init(dev);
845 if (0 != err)
846 return;
847 dev->mops = ops;
848 }
849
850 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
851 struct saa7134_dev *dev)
852 {
853 if (NULL == dev->mops)
854 return;
855 if (dev->mops != ops)
856 return;
857 dev->mops->fini(dev);
858 dev->mops = NULL;
859 }
860
861 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
862 const struct pci_device_id *pci_id)
863 {
864 struct saa7134_dev *dev;
865 struct saa7134_mpeg_ops *mops;
866 int err;
867
868 if (saa7134_devcount == SAA7134_MAXBOARDS)
869 return -ENOMEM;
870
871 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
872 if (NULL == dev)
873 return -ENOMEM;
874
875 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
876 if (err)
877 goto fail0;
878
879 /* pci init */
880 dev->pci = pci_dev;
881 if (pci_enable_device(pci_dev)) {
882 err = -EIO;
883 goto fail1;
884 }
885
886 dev->nr = saa7134_devcount;
887 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
888
889 /* pci quirks */
890 if (pci_pci_problems) {
891 if (pci_pci_problems & PCIPCI_TRITON)
892 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
893 if (pci_pci_problems & PCIPCI_NATOMA)
894 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
895 if (pci_pci_problems & PCIPCI_VIAETBF)
896 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
897 if (pci_pci_problems & PCIPCI_VSFX)
898 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
899 #ifdef PCIPCI_ALIMAGIK
900 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
901 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
902 dev->name);
903 latency = 0x0A;
904 }
905 #endif
906 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
907 printk(KERN_INFO "%s: quirk: this driver and your "
908 "chipset may not work together"
909 " in overlay mode.\n",dev->name);
910 if (!saa7134_no_overlay) {
911 printk(KERN_INFO "%s: quirk: overlay "
912 "mode will be disabled.\n",
913 dev->name);
914 saa7134_no_overlay = 1;
915 } else {
916 printk(KERN_INFO "%s: quirk: overlay "
917 "mode will be forced. Use this"
918 " option at your own risk.\n",
919 dev->name);
920 }
921 }
922 }
923 if (UNSET != latency) {
924 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
925 dev->name,latency);
926 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
927 }
928
929 /* print pci info */
930 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
931 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
932 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
933 "latency: %d, mmio: 0x%llx\n", dev->name,
934 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
935 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
936 pci_set_master(pci_dev);
937 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
938 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
939 err = -EIO;
940 goto fail1;
941 }
942
943 /* board config */
944 dev->board = pci_id->driver_data;
945 if (card[dev->nr] >= 0 &&
946 card[dev->nr] < saa7134_bcount)
947 dev->board = card[dev->nr];
948 if (SAA7134_BOARD_UNKNOWN == dev->board)
949 must_configure_manually(0);
950 else if (SAA7134_BOARD_NOAUTO == dev->board) {
951 must_configure_manually(1);
952 dev->board = SAA7134_BOARD_UNKNOWN;
953 }
954 dev->autodetected = card[dev->nr] != dev->board;
955 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
956 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
957 dev->radio_type = saa7134_boards[dev->board].radio_type;
958 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
959 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
960 if (UNSET != tuner[dev->nr])
961 dev->tuner_type = tuner[dev->nr];
962 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
963 dev->name,pci_dev->subsystem_vendor,
964 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
965 dev->board, dev->autodetected ?
966 "autodetected" : "insmod option");
967
968 /* get mmio */
969 if (!request_mem_region(pci_resource_start(pci_dev,0),
970 pci_resource_len(pci_dev,0),
971 dev->name)) {
972 err = -EBUSY;
973 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
974 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
975 goto fail1;
976 }
977 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
978 pci_resource_len(pci_dev, 0));
979 dev->bmmio = (__u8 __iomem *)dev->lmmio;
980 if (NULL == dev->lmmio) {
981 err = -EIO;
982 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
983 dev->name);
984 goto fail2;
985 }
986
987 /* initialize hardware #1 */
988 saa7134_board_init1(dev);
989 saa7134_hwinit1(dev);
990
991 /* get irq */
992 err = request_irq(pci_dev->irq, saa7134_irq,
993 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
994 if (err < 0) {
995 printk(KERN_ERR "%s: can't get IRQ %d\n",
996 dev->name,pci_dev->irq);
997 goto fail3;
998 }
999
1000 /* wait a bit, register i2c bus */
1001 msleep(100);
1002 saa7134_i2c_register(dev);
1003 saa7134_board_init2(dev);
1004
1005 saa7134_hwinit2(dev);
1006
1007 /* load i2c helpers */
1008 if (card_is_empress(dev)) {
1009 struct v4l2_subdev *sd =
1010 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
1011 "saa6752hs",
1012 saa7134_boards[dev->board].empress_addr, NULL);
1013
1014 if (sd)
1015 sd->grp_id = GRP_EMPRESS;
1016 }
1017
1018 if (saa7134_boards[dev->board].rds_addr) {
1019 struct v4l2_subdev *sd;
1020
1021 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1022 &dev->i2c_adap, "saa6588",
1023 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1024 if (sd) {
1025 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
1026 dev->has_rds = 1;
1027 }
1028 }
1029
1030 v4l2_prio_init(&dev->prio);
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 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1050 video_nr[dev->nr]);
1051 if (err < 0) {
1052 printk(KERN_INFO "%s: can't register video device\n",
1053 dev->name);
1054 goto fail4;
1055 }
1056 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1057 dev->name, video_device_node_name(dev->video_dev));
1058
1059 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1060
1061 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1062 vbi_nr[dev->nr]);
1063 if (err < 0)
1064 goto fail4;
1065 printk(KERN_INFO "%s: registered device %s\n",
1066 dev->name, video_device_node_name(dev->vbi_dev));
1067
1068 if (card_has_radio(dev)) {
1069 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1070 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1071 radio_nr[dev->nr]);
1072 if (err < 0)
1073 goto fail4;
1074 printk(KERN_INFO "%s: registered device %s\n",
1075 dev->name, video_device_node_name(dev->radio_dev));
1076 }
1077
1078 /* everything worked */
1079 saa7134_devcount++;
1080
1081 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1082 saa7134_dmasound_init(dev);
1083
1084 request_submodules(dev);
1085 return 0;
1086
1087 fail4:
1088 saa7134_unregister_video(dev);
1089 saa7134_i2c_unregister(dev);
1090 free_irq(pci_dev->irq, dev);
1091 fail3:
1092 saa7134_hwfini(dev);
1093 iounmap(dev->lmmio);
1094 fail2:
1095 release_mem_region(pci_resource_start(pci_dev,0),
1096 pci_resource_len(pci_dev,0));
1097 fail1:
1098 v4l2_device_unregister(&dev->v4l2_dev);
1099 fail0:
1100 kfree(dev);
1101 return err;
1102 }
1103
1104 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1105 {
1106 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1107 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1108 struct saa7134_mpeg_ops *mops;
1109
1110 flush_request_submodules(dev);
1111
1112 /* Release DMA sound modules if present */
1113 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1114 saa7134_dmasound_exit(dev);
1115 }
1116
1117 /* debugging ... */
1118 if (irq_debug) {
1119 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1120 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1121 print_irqstatus(dev,42,report,status);
1122 }
1123
1124 /* disable peripheral devices */
1125 saa_writeb(SAA7134_SPECIAL_MODE,0);
1126
1127 /* shutdown hardware */
1128 saa_writel(SAA7134_IRQ1,0);
1129 saa_writel(SAA7134_IRQ2,0);
1130 saa_writel(SAA7134_MAIN_CTRL,0);
1131
1132 /* shutdown subsystems */
1133 saa7134_hwfini(dev);
1134
1135 /* unregister */
1136 mutex_lock(&saa7134_devlist_lock);
1137 list_del(&dev->devlist);
1138 list_for_each_entry(mops, &mops_list, next)
1139 mpeg_ops_detach(mops, dev);
1140 mutex_unlock(&saa7134_devlist_lock);
1141 saa7134_devcount--;
1142
1143 saa7134_i2c_unregister(dev);
1144 saa7134_unregister_video(dev);
1145
1146
1147 /* the DMA sound modules should be unloaded before reaching
1148 this, but just in case they are still present... */
1149 if (dev->dmasound.priv_data != NULL) {
1150 free_irq(pci_dev->irq, &dev->dmasound);
1151 dev->dmasound.priv_data = NULL;
1152 }
1153
1154
1155 /* release resources */
1156 free_irq(pci_dev->irq, dev);
1157 iounmap(dev->lmmio);
1158 release_mem_region(pci_resource_start(pci_dev,0),
1159 pci_resource_len(pci_dev,0));
1160
1161
1162 v4l2_device_unregister(&dev->v4l2_dev);
1163
1164 /* free memory */
1165 kfree(dev);
1166 }
1167
1168 #ifdef CONFIG_PM
1169
1170 /* resends a current buffer in queue after resume */
1171 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1172 struct saa7134_dmaqueue *q)
1173 {
1174 struct saa7134_buf *buf, *next;
1175
1176 assert_spin_locked(&dev->slock);
1177
1178 buf = q->curr;
1179 next = buf;
1180 dprintk("buffer_requeue\n");
1181
1182 if (!buf)
1183 return 0;
1184
1185 dprintk("buffer_requeue : resending active buffers \n");
1186
1187 if (!list_empty(&q->queue))
1188 next = list_entry(q->queue.next, struct saa7134_buf,
1189 vb.queue);
1190 buf->activate(dev, buf, next);
1191
1192 return 0;
1193 }
1194
1195 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1196 {
1197 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1198 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1199
1200 /* disable overlay - apps should enable it explicitly on resume*/
1201 dev->ovenable = 0;
1202
1203 /* Disable interrupts, DMA, and rest of the chip*/
1204 saa_writel(SAA7134_IRQ1, 0);
1205 saa_writel(SAA7134_IRQ2, 0);
1206 saa_writel(SAA7134_MAIN_CTRL, 0);
1207
1208 dev->insuspend = 1;
1209 synchronize_irq(pci_dev->irq);
1210
1211 /* ACK interrupts once more, just in case,
1212 since the IRQ handler won't ack them anymore*/
1213
1214 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1215
1216 /* Disable timeout timers - if we have active buffers, we will
1217 fill them on resume*/
1218
1219 del_timer(&dev->video_q.timeout);
1220 del_timer(&dev->vbi_q.timeout);
1221 del_timer(&dev->ts_q.timeout);
1222
1223 if (dev->remote)
1224 saa7134_ir_stop(dev);
1225
1226 pci_save_state(pci_dev);
1227 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1228
1229 return 0;
1230 }
1231
1232 static int saa7134_resume(struct pci_dev *pci_dev)
1233 {
1234 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1235 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1236 unsigned long flags;
1237
1238 pci_set_power_state(pci_dev, PCI_D0);
1239 pci_restore_state(pci_dev);
1240
1241 /* Do things that are done in saa7134_initdev ,
1242 except of initializing memory structures.*/
1243
1244 saa7134_board_init1(dev);
1245
1246 /* saa7134_hwinit1 */
1247 if (saa7134_boards[dev->board].video_out)
1248 saa7134_videoport_init(dev);
1249 if (card_has_mpeg(dev))
1250 saa7134_ts_init_hw(dev);
1251 if (dev->remote)
1252 saa7134_ir_start(dev);
1253 saa7134_hw_enable1(dev);
1254
1255 msleep(100);
1256
1257 saa7134_board_init2(dev);
1258
1259 /*saa7134_hwinit2*/
1260 saa7134_set_tvnorm_hw(dev);
1261 saa7134_tvaudio_setmute(dev);
1262 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1263 saa7134_tvaudio_init(dev);
1264 saa7134_tvaudio_do_scan(dev);
1265 saa7134_enable_i2s(dev);
1266 saa7134_hw_enable2(dev);
1267
1268 saa7134_irq_video_signalchange(dev);
1269
1270 /*resume unfinished buffer(s)*/
1271 spin_lock_irqsave(&dev->slock, flags);
1272 saa7134_buffer_requeue(dev, &dev->video_q);
1273 saa7134_buffer_requeue(dev, &dev->vbi_q);
1274 saa7134_buffer_requeue(dev, &dev->ts_q);
1275
1276 /* FIXME: Disable DMA audio sound - temporary till proper support
1277 is implemented*/
1278
1279 dev->dmasound.dma_running = 0;
1280
1281 /* start DMA now*/
1282 dev->insuspend = 0;
1283 smp_wmb();
1284 saa7134_set_dmabits(dev);
1285 spin_unlock_irqrestore(&dev->slock, flags);
1286
1287 return 0;
1288 }
1289 #endif
1290
1291 /* ----------------------------------------------------------- */
1292
1293 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1294 {
1295 struct saa7134_dev *dev;
1296
1297 mutex_lock(&saa7134_devlist_lock);
1298 list_for_each_entry(dev, &saa7134_devlist, devlist)
1299 mpeg_ops_attach(ops, dev);
1300 list_add_tail(&ops->next,&mops_list);
1301 mutex_unlock(&saa7134_devlist_lock);
1302 return 0;
1303 }
1304
1305 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1306 {
1307 struct saa7134_dev *dev;
1308
1309 mutex_lock(&saa7134_devlist_lock);
1310 list_del(&ops->next);
1311 list_for_each_entry(dev, &saa7134_devlist, devlist)
1312 mpeg_ops_detach(ops, dev);
1313 mutex_unlock(&saa7134_devlist_lock);
1314 }
1315
1316 EXPORT_SYMBOL(saa7134_ts_register);
1317 EXPORT_SYMBOL(saa7134_ts_unregister);
1318
1319 /* ----------------------------------------------------------- */
1320
1321 static struct pci_driver saa7134_pci_driver = {
1322 .name = "saa7134",
1323 .id_table = saa7134_pci_tbl,
1324 .probe = saa7134_initdev,
1325 .remove = __devexit_p(saa7134_finidev),
1326 #ifdef CONFIG_PM
1327 .suspend = saa7134_suspend,
1328 .resume = saa7134_resume
1329 #endif
1330 };
1331
1332 static int __init saa7134_init(void)
1333 {
1334 INIT_LIST_HEAD(&saa7134_devlist);
1335 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1336 (SAA7134_VERSION_CODE >> 16) & 0xff,
1337 (SAA7134_VERSION_CODE >> 8) & 0xff,
1338 SAA7134_VERSION_CODE & 0xff);
1339 #ifdef SNAPSHOT
1340 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1341 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1342 #endif
1343 return pci_register_driver(&saa7134_pci_driver);
1344 }
1345
1346 static void __exit saa7134_fini(void)
1347 {
1348 pci_unregister_driver(&saa7134_pci_driver);
1349 }
1350
1351 module_init(saa7134_init);
1352 module_exit(saa7134_fini);
1353
1354 /* ----------------------------------------------------------- */
1355
1356 EXPORT_SYMBOL(saa7134_set_gpio);
1357 EXPORT_SYMBOL(saa7134_boards);
1358
1359 /* ----------------- for the DMA sound modules --------------- */
1360
1361 EXPORT_SYMBOL(saa7134_dmasound_init);
1362 EXPORT_SYMBOL(saa7134_dmasound_exit);
1363 EXPORT_SYMBOL(saa7134_pgtable_free);
1364 EXPORT_SYMBOL(saa7134_pgtable_build);
1365 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1366 EXPORT_SYMBOL(saa7134_set_dmabits);
1367
1368 /* ----------------------------------------------------------- */
1369 /*
1370 * Local variables:
1371 * c-basic-offset: 8
1372 * End:
1373 */