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saa7134-core.c
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1 /*
2  *
3  * device driver for philips saa7134 based TV cards
4  * driver core
5  *
6  * (c) 2001-03 Gerd Knorr <[email protected]> [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 <[email protected]> [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  do_gettimeofday(&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  return 0;
755 }
756 
757 static void __devinit must_configure_manually(int has_eeprom)
758 {
759  unsigned int i,p;
760 
761  if (!has_eeprom)
762  printk(KERN_WARNING
763  "saa7134: <rant>\n"
764  "saa7134: Congratulations! Your TV card vendor saved a few\n"
765  "saa7134: cents for a eeprom, thus your pci board has no\n"
766  "saa7134: subsystem ID and I can't identify it automatically\n"
767  "saa7134: </rant>\n"
768  "saa7134: I feel better now. Ok, here are the good news:\n"
769  "saa7134: You can use the card=<nr> insmod option to specify\n"
770  "saa7134: which board do you have. The list:\n");
771  else
772  printk(KERN_WARNING
773  "saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
774  "saa7134: insmod option to specify which board do you have, but this is\n"
775  "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
776  "saa7134: for support at [email protected].\n"
777  "saa7134: The supported cards are:\n");
778 
779  for (i = 0; i < saa7134_bcount; i++) {
780  printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
781  i,saa7134_boards[i].name);
782  for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
783  if (saa7134_pci_tbl[p].driver_data != i)
784  continue;
785  printk(" %04x:%04x",
786  saa7134_pci_tbl[p].subvendor,
787  saa7134_pci_tbl[p].subdevice);
788  }
789  printk("\n");
790  }
791 }
792 
793 static struct video_device *vdev_init(struct saa7134_dev *dev,
794  struct video_device *template,
795  char *type)
796 {
797  struct video_device *vfd;
798 
799  vfd = video_device_alloc();
800  if (NULL == vfd)
801  return NULL;
802  *vfd = *template;
803  vfd->v4l2_dev = &dev->v4l2_dev;
804  vfd->release = video_device_release;
805  vfd->debug = video_debug;
806  snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
807  dev->name, type, saa7134_boards[dev->board].name);
808  video_set_drvdata(vfd, dev);
809  return vfd;
810 }
811 
812 static void saa7134_unregister_video(struct saa7134_dev *dev)
813 {
814  if (dev->video_dev) {
815  if (video_is_registered(dev->video_dev))
816  video_unregister_device(dev->video_dev);
817  else
818  video_device_release(dev->video_dev);
819  dev->video_dev = NULL;
820  }
821  if (dev->vbi_dev) {
822  if (video_is_registered(dev->vbi_dev))
823  video_unregister_device(dev->vbi_dev);
824  else
825  video_device_release(dev->vbi_dev);
826  dev->vbi_dev = NULL;
827  }
828  if (dev->radio_dev) {
829  if (video_is_registered(dev->radio_dev))
830  video_unregister_device(dev->radio_dev);
831  else
832  video_device_release(dev->radio_dev);
833  dev->radio_dev = NULL;
834  }
835 }
836 
837 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
838  struct saa7134_dev *dev)
839 {
840  int err;
841 
842  if (NULL != dev->mops)
843  return;
844  if (saa7134_boards[dev->board].mpeg != ops->type)
845  return;
846  err = ops->init(dev);
847  if (0 != err)
848  return;
849  dev->mops = ops;
850 }
851 
852 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
853  struct saa7134_dev *dev)
854 {
855  if (NULL == dev->mops)
856  return;
857  if (dev->mops != ops)
858  return;
859  dev->mops->fini(dev);
860  dev->mops = NULL;
861 }
862 
863 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
864  const struct pci_device_id *pci_id)
865 {
866  struct saa7134_dev *dev;
867  struct saa7134_mpeg_ops *mops;
868  int err;
869 
870  if (saa7134_devcount == SAA7134_MAXBOARDS)
871  return -ENOMEM;
872 
873  dev = kzalloc(sizeof(*dev),GFP_KERNEL);
874  if (NULL == dev)
875  return -ENOMEM;
876 
877  err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
878  if (err)
879  goto fail0;
880 
881  /* pci init */
882  dev->pci = pci_dev;
883  if (pci_enable_device(pci_dev)) {
884  err = -EIO;
885  goto fail1;
886  }
887 
888  dev->nr = saa7134_devcount;
889  sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
890 
891  /* pci quirks */
892  if (pci_pci_problems) {
893  if (pci_pci_problems & PCIPCI_TRITON)
894  printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
895  if (pci_pci_problems & PCIPCI_NATOMA)
896  printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
897  if (pci_pci_problems & PCIPCI_VIAETBF)
898  printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
899  if (pci_pci_problems & PCIPCI_VSFX)
900  printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
901 #ifdef PCIPCI_ALIMAGIK
902  if (pci_pci_problems & PCIPCI_ALIMAGIK) {
903  printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
904  dev->name);
905  latency = 0x0A;
906  }
907 #endif
908  if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
909  printk(KERN_INFO "%s: quirk: this driver and your "
910  "chipset may not work together"
911  " in overlay mode.\n",dev->name);
912  if (!saa7134_no_overlay) {
913  printk(KERN_INFO "%s: quirk: overlay "
914  "mode will be disabled.\n",
915  dev->name);
916  saa7134_no_overlay = 1;
917  } else {
918  printk(KERN_INFO "%s: quirk: overlay "
919  "mode will be forced. Use this"
920  " option at your own risk.\n",
921  dev->name);
922  }
923  }
924  }
925  if (UNSET != latency) {
926  printk(KERN_INFO "%s: setting pci latency timer to %d\n",
927  dev->name,latency);
928  pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
929  }
930 
931  /* print pci info */
932  dev->pci_rev = pci_dev->revision;
933  pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
934  printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
935  "latency: %d, mmio: 0x%llx\n", dev->name,
936  pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
937  dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
938  pci_set_master(pci_dev);
939  if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
940  printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
941  err = -EIO;
942  goto fail1;
943  }
944 
945  /* board config */
946  dev->board = pci_id->driver_data;
947  if (card[dev->nr] >= 0 &&
948  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 | IRQF_DISABLED, 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  struct v4l2_subdev *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 (sd)
1017  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  v4l2_prio_init(&dev->prio);
1033 
1034  mutex_lock(&saa7134_devlist_lock);
1035  list_for_each_entry(mops, &mops_list, next)
1036  mpeg_ops_attach(mops, dev);
1037  list_add_tail(&dev->devlist, &saa7134_devlist);
1038  mutex_unlock(&saa7134_devlist_lock);
1039 
1040  /* check for signal */
1041  saa7134_irq_video_signalchange(dev);
1042 
1043  if (TUNER_ABSENT != dev->tuner_type)
1044  saa_call_all(dev, core, s_power, 0);
1045 
1046  /* register v4l devices */
1047  if (saa7134_no_overlay > 0)
1048  printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1049 
1050  dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1051  err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1052  video_nr[dev->nr]);
1053  if (err < 0) {
1054  printk(KERN_INFO "%s: can't register video device\n",
1055  dev->name);
1056  goto fail4;
1057  }
1058  printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1059  dev->name, video_device_node_name(dev->video_dev));
1060 
1061  dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
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  err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1073  radio_nr[dev->nr]);
1074  if (err < 0)
1075  goto fail4;
1076  printk(KERN_INFO "%s: registered device %s\n",
1077  dev->name, video_device_node_name(dev->radio_dev));
1078  }
1079 
1080  /* everything worked */
1081  saa7134_devcount++;
1082 
1083  if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1084  saa7134_dmasound_init(dev);
1085 
1086  request_submodules(dev);
1087  return 0;
1088 
1089  fail4:
1090  saa7134_unregister_video(dev);
1091  saa7134_i2c_unregister(dev);
1092  free_irq(pci_dev->irq, dev);
1093  fail3:
1094  saa7134_hwfini(dev);
1095  iounmap(dev->lmmio);
1096  fail2:
1097  release_mem_region(pci_resource_start(pci_dev,0),
1098  pci_resource_len(pci_dev,0));
1099  fail1:
1100  v4l2_device_unregister(&dev->v4l2_dev);
1101  fail0:
1102  kfree(dev);
1103  return err;
1104 }
1105 
1106 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1107 {
1108  struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1109  struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1110  struct saa7134_mpeg_ops *mops;
1111 
1112  flush_request_submodules(dev);
1113 
1114  /* Release DMA sound modules if present */
1115  if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1116  saa7134_dmasound_exit(dev);
1117  }
1118 
1119  /* debugging ... */
1120  if (irq_debug) {
1121  u32 report = saa_readl(SAA7134_IRQ_REPORT);
1122  u32 status = saa_readl(SAA7134_IRQ_STATUS);
1123  print_irqstatus(dev,42,report,status);
1124  }
1125 
1126  /* disable peripheral devices */
1127  saa_writeb(SAA7134_SPECIAL_MODE,0);
1128 
1129  /* shutdown hardware */
1130  saa_writel(SAA7134_IRQ1,0);
1131  saa_writel(SAA7134_IRQ2,0);
1132  saa_writel(SAA7134_MAIN_CTRL,0);
1133 
1134  /* shutdown subsystems */
1135  saa7134_hwfini(dev);
1136 
1137  /* unregister */
1138  mutex_lock(&saa7134_devlist_lock);
1139  list_del(&dev->devlist);
1140  list_for_each_entry(mops, &mops_list, next)
1141  mpeg_ops_detach(mops, dev);
1142  mutex_unlock(&saa7134_devlist_lock);
1143  saa7134_devcount--;
1144 
1145  saa7134_i2c_unregister(dev);
1146  saa7134_unregister_video(dev);
1147 
1148 
1149  /* the DMA sound modules should be unloaded before reaching
1150  this, but just in case they are still present... */
1151  if (dev->dmasound.priv_data != NULL) {
1152  free_irq(pci_dev->irq, &dev->dmasound);
1153  dev->dmasound.priv_data = NULL;
1154  }
1155 
1156 
1157  /* release resources */
1158  free_irq(pci_dev->irq, dev);
1159  iounmap(dev->lmmio);
1160  release_mem_region(pci_resource_start(pci_dev,0),
1161  pci_resource_len(pci_dev,0));
1162 
1163 
1164  v4l2_device_unregister(&dev->v4l2_dev);
1165 
1166  /* free memory */
1167  kfree(dev);
1168 }
1169 
1170 #ifdef CONFIG_PM
1171 
1172 /* resends a current buffer in queue after resume */
1173 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1174  struct saa7134_dmaqueue *q)
1175 {
1176  struct saa7134_buf *buf, *next;
1177 
1178  assert_spin_locked(&dev->slock);
1179 
1180  buf = q->curr;
1181  next = buf;
1182  dprintk("buffer_requeue\n");
1183 
1184  if (!buf)
1185  return 0;
1186 
1187  dprintk("buffer_requeue : resending active buffers \n");
1188 
1189  if (!list_empty(&q->queue))
1190  next = list_entry(q->queue.next, struct saa7134_buf,
1191  vb.queue);
1192  buf->activate(dev, buf, next);
1193 
1194  return 0;
1195 }
1196 
1197 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1198 {
1199  struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1200  struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1201 
1202  /* disable overlay - apps should enable it explicitly on resume*/
1203  dev->ovenable = 0;
1204 
1205  /* Disable interrupts, DMA, and rest of the chip*/
1206  saa_writel(SAA7134_IRQ1, 0);
1207  saa_writel(SAA7134_IRQ2, 0);
1208  saa_writel(SAA7134_MAIN_CTRL, 0);
1209 
1210  dev->insuspend = 1;
1211  synchronize_irq(pci_dev->irq);
1212 
1213  /* ACK interrupts once more, just in case,
1214  since the IRQ handler won't ack them anymore*/
1215 
1216  saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1217 
1218  /* Disable timeout timers - if we have active buffers, we will
1219  fill them on resume*/
1220 
1221  del_timer(&dev->video_q.timeout);
1222  del_timer(&dev->vbi_q.timeout);
1223  del_timer(&dev->ts_q.timeout);
1224 
1225  if (dev->remote)
1226  saa7134_ir_stop(dev);
1227 
1228  pci_save_state(pci_dev);
1229  pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1230 
1231  return 0;
1232 }
1233 
1234 static int saa7134_resume(struct pci_dev *pci_dev)
1235 {
1236  struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1237  struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1238  unsigned long flags;
1239 
1240  pci_set_power_state(pci_dev, PCI_D0);
1241  pci_restore_state(pci_dev);
1242 
1243  /* Do things that are done in saa7134_initdev ,
1244  except of initializing memory structures.*/
1245 
1246  saa7134_board_init1(dev);
1247 
1248  /* saa7134_hwinit1 */
1249  if (saa7134_boards[dev->board].video_out)
1250  saa7134_videoport_init(dev);
1251  if (card_has_mpeg(dev))
1252  saa7134_ts_init_hw(dev);
1253  if (dev->remote)
1254  saa7134_ir_start(dev);
1255  saa7134_hw_enable1(dev);
1256 
1257  msleep(100);
1258 
1259  saa7134_board_init2(dev);
1260 
1261  /*saa7134_hwinit2*/
1262  saa7134_set_tvnorm_hw(dev);
1263  saa7134_tvaudio_setmute(dev);
1264  saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1265  saa7134_tvaudio_init(dev);
1266  saa7134_enable_i2s(dev);
1267  saa7134_hw_enable2(dev);
1268 
1269  saa7134_irq_video_signalchange(dev);
1270 
1271  /*resume unfinished buffer(s)*/
1272  spin_lock_irqsave(&dev->slock, flags);
1273  saa7134_buffer_requeue(dev, &dev->video_q);
1274  saa7134_buffer_requeue(dev, &dev->vbi_q);
1275  saa7134_buffer_requeue(dev, &dev->ts_q);
1276 
1277  /* FIXME: Disable DMA audio sound - temporary till proper support
1278  is implemented*/
1279 
1280  dev->dmasound.dma_running = 0;
1281 
1282  /* start DMA now*/
1283  dev->insuspend = 0;
1284  smp_wmb();
1285  saa7134_set_dmabits(dev);
1286  spin_unlock_irqrestore(&dev->slock, flags);
1287 
1288  return 0;
1289 }
1290 #endif
1291 
1292 /* ----------------------------------------------------------- */
1293 
1294 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1295 {
1296  struct saa7134_dev *dev;
1297 
1298  mutex_lock(&saa7134_devlist_lock);
1299  list_for_each_entry(dev, &saa7134_devlist, devlist)
1300  mpeg_ops_attach(ops, dev);
1301  list_add_tail(&ops->next,&mops_list);
1302  mutex_unlock(&saa7134_devlist_lock);
1303  return 0;
1304 }
1305 
1306 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1307 {
1308  struct saa7134_dev *dev;
1309 
1310  mutex_lock(&saa7134_devlist_lock);
1311  list_del(&ops->next);
1312  list_for_each_entry(dev, &saa7134_devlist, devlist)
1313  mpeg_ops_detach(ops, dev);
1314  mutex_unlock(&saa7134_devlist_lock);
1315 }
1316 
1317 EXPORT_SYMBOL(saa7134_ts_register);
1318 EXPORT_SYMBOL(saa7134_ts_unregister);
1319 
1320 /* ----------------------------------------------------------- */
1321 
1322 static struct pci_driver saa7134_pci_driver = {
1323  .name = "saa7134",
1324  .id_table = saa7134_pci_tbl,
1325  .probe = saa7134_initdev,
1326  .remove = __devexit_p(saa7134_finidev),
1327 #ifdef CONFIG_PM
1328  .suspend = saa7134_suspend,
1329  .resume = saa7134_resume
1330 #endif
1331 };
1332 
1333 static int __init saa7134_init(void)
1334 {
1335  INIT_LIST_HEAD(&saa7134_devlist);
1336  printk(KERN_INFO "saa7130/34: v4l2 driver version %s loaded\n",
1337  SAA7134_VERSION);
1338  return pci_register_driver(&saa7134_pci_driver);
1339 }
1340 
1341 static void __exit saa7134_fini(void)
1342 {
1343  pci_unregister_driver(&saa7134_pci_driver);
1344 }
1345 
1346 module_init(saa7134_init);
1347 module_exit(saa7134_fini);
1348 
1349 /* ----------------------------------------------------------- */
1350 
1351 EXPORT_SYMBOL(saa7134_set_gpio);
1352 EXPORT_SYMBOL(saa7134_boards);
1353 
1354 /* ----------------- for the DMA sound modules --------------- */
1355 
1356 EXPORT_SYMBOL(saa7134_dmasound_init);
1357 EXPORT_SYMBOL(saa7134_dmasound_exit);
1358 EXPORT_SYMBOL(saa7134_pgtable_free);
1359 EXPORT_SYMBOL(saa7134_pgtable_build);
1360 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1361 EXPORT_SYMBOL(saa7134_set_dmabits);
1362 
1363 /* ----------------------------------------------------------- */
1364 /*
1365  * Local variables:
1366  * c-basic-offset: 8
1367  * End:
1368  */
Generated on Thu Jan 10 2013 13:48:37 for Linux Kernel by   doxygen 1.8.2