V4L/DVB (6690): saa7134: fix ignored interrupts
[linux-3.10.git] / drivers / media / video / saa7134 / saa7134-core.c
1 /*
2  *
3  * device driver for philips saa7134 based TV cards
4  * driver core
5  *
6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/kmod.h>
29 #include <linux/sound.h>
30 #include <linux/interrupt.h>
31 #include <linux/delay.h>
32 #include <linux/mutex.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/pm.h>
35
36 #include "saa7134-reg.h"
37 #include "saa7134.h"
38
39 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
40 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
41 MODULE_LICENSE("GPL");
42
43 /* ------------------------------------------------------------------ */
44
45 static unsigned int irq_debug = 0;
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 = 0;
50 module_param(core_debug, int, 0644);
51 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
52
53 static unsigned int gpio_tracking = 0;
54 module_param(gpio_tracking, int, 0644);
55 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
56
57 static unsigned int alsa = 0;
58 module_param(alsa, int, 0644);
59 MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
60
61 static unsigned int oss = 0;
62 module_param(oss, int, 0644);
63 MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
64
65 static unsigned int latency = UNSET;
66 module_param(latency, int, 0444);
67 MODULE_PARM_DESC(latency,"pci latency timer");
68
69 int saa7134_no_overlay=-1;
70 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
71 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
72                 " [some VIA/SIS chipsets are known to have problem with overlay]");
73
74 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
76 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
77 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
78 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
79
80
81 module_param_array(video_nr, int, NULL, 0444);
82 module_param_array(vbi_nr,   int, NULL, 0444);
83 module_param_array(radio_nr, int, NULL, 0444);
84 module_param_array(tuner,    int, NULL, 0444);
85 module_param_array(card,     int, NULL, 0444);
86
87 MODULE_PARM_DESC(video_nr, "video device number");
88 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
89 MODULE_PARM_DESC(radio_nr, "radio device number");
90 MODULE_PARM_DESC(tuner,    "tuner type");
91 MODULE_PARM_DESC(card,     "card type");
92
93 static DEFINE_MUTEX(devlist_lock);
94 LIST_HEAD(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 int saa7134_tuner_callback(void *ptr, int command, int arg)
146 {
147         u8 sync_control;
148         struct saa7134_dev *dev = ptr;
149
150         switch (dev->tuner_type) {
151         case TUNER_PHILIPS_TDA8290:
152                 switch (command) {
153                 case 0: /* switch LNA gain through GPIO 22*/
154                         saa7134_set_gpio(dev, 22, arg) ;
155                         break;
156                 case 1: /* vsync output at GPIO22. 50 / 60Hz */
157                         dprintk("setting GPIO22 to vsync %d\n", arg);
158                         saa_andorb(SAA7134_VIDEO_PORT_CTRL3, 0x80, 0x80);
159                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x03);
160                         if (arg == 1)
161                                 sync_control = 11;
162                         else
163                                 sync_control = 17;
164                         saa_writeb(SAA7134_VGATE_START, sync_control);
165                         saa_writeb(SAA7134_VGATE_STOP, sync_control + 1);
166                         saa_andorb(SAA7134_MISC_VGATE_MSB, 0x03, 0x00);
167                         break;
168                 default:
169                         return -EINVAL;
170                 }
171                 break;
172         default:
173                 return -ENODEV;
174         }
175         return 0;
176 }
177
178 /* ------------------------------------------------------------------ */
179
180
181 /* ----------------------------------------------------------- */
182 /* delayed request_module                                      */
183
184 #if defined(CONFIG_MODULES) && defined(MODULE)
185
186
187 static void request_module_async(struct work_struct *work){
188         struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
189         if (card_is_empress(dev))
190                 request_module("saa7134-empress");
191         if (card_is_dvb(dev))
192                 request_module("saa7134-dvb");
193         if (alsa)
194                 request_module("saa7134-alsa");
195         if (oss)
196                 request_module("saa7134-oss");
197 }
198
199 static void request_submodules(struct saa7134_dev *dev)
200 {
201         INIT_WORK(&dev->request_module_wk, request_module_async);
202         schedule_work(&dev->request_module_wk);
203 }
204
205 #else
206 #define request_submodules(dev)
207 #endif /* CONFIG_MODULES */
208
209 /* ------------------------------------------------------------------ */
210
211 /* nr of (saa7134-)pages for the given buffer size */
212 static int saa7134_buffer_pages(int size)
213 {
214         size  = PAGE_ALIGN(size);
215         size += PAGE_SIZE; /* for non-page-aligned buffers */
216         size /= 4096;
217         return size;
218 }
219
220 /* calc max # of buffers from size (must not exceed the 4MB virtual
221  * address space per DMA channel) */
222 int saa7134_buffer_count(unsigned int size, unsigned int count)
223 {
224         unsigned int maxcount;
225
226         maxcount = 1024 / saa7134_buffer_pages(size);
227         if (count > maxcount)
228                 count = maxcount;
229         return count;
230 }
231
232 int saa7134_buffer_startpage(struct saa7134_buf *buf)
233 {
234         return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
235 }
236
237 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
238 {
239         unsigned long base;
240         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
241
242         base  = saa7134_buffer_startpage(buf) * 4096;
243         base += dma->sglist[0].offset;
244         return base;
245 }
246
247 /* ------------------------------------------------------------------ */
248
249 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
250 {
251         __le32       *cpu;
252         dma_addr_t   dma_addr;
253
254         cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
255         if (NULL == cpu)
256                 return -ENOMEM;
257         pt->size = SAA7134_PGTABLE_SIZE;
258         pt->cpu  = cpu;
259         pt->dma  = dma_addr;
260         return 0;
261 }
262
263 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
264                           struct scatterlist *list, unsigned int length,
265                           unsigned int startpage)
266 {
267         __le32        *ptr;
268         unsigned int  i,p;
269
270         BUG_ON(NULL == pt || NULL == pt->cpu);
271
272         ptr = pt->cpu + startpage;
273         for (i = 0; i < length; i++, list++)
274                 for (p = 0; p * 4096 < list->length; p++, ptr++)
275                         *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
276         return 0;
277 }
278
279 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
280 {
281         if (NULL == pt->cpu)
282                 return;
283         pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
284         pt->cpu = NULL;
285 }
286
287 /* ------------------------------------------------------------------ */
288
289 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
290 {
291         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
292         BUG_ON(in_interrupt());
293
294         videobuf_waiton(&buf->vb,0,0);
295         videobuf_dma_unmap(q, dma);
296         videobuf_dma_free(dma);
297         buf->vb.state = STATE_NEEDS_INIT;
298 }
299
300 /* ------------------------------------------------------------------ */
301
302 int saa7134_buffer_queue(struct saa7134_dev *dev,
303                          struct saa7134_dmaqueue *q,
304                          struct saa7134_buf *buf)
305 {
306         struct saa7134_buf *next = NULL;
307
308         assert_spin_locked(&dev->slock);
309         dprintk("buffer_queue %p\n",buf);
310         if (NULL == q->curr) {
311                 if (!q->need_two) {
312                         q->curr = buf;
313                         buf->activate(dev,buf,NULL);
314                 } else if (list_empty(&q->queue)) {
315                         list_add_tail(&buf->vb.queue,&q->queue);
316                         buf->vb.state = STATE_QUEUED;
317                 } else {
318                         next = list_entry(q->queue.next,struct saa7134_buf,
319                                           vb.queue);
320                         q->curr = buf;
321                         buf->activate(dev,buf,next);
322                 }
323         } else {
324                 list_add_tail(&buf->vb.queue,&q->queue);
325                 buf->vb.state = STATE_QUEUED;
326         }
327         return 0;
328 }
329
330 void saa7134_buffer_finish(struct saa7134_dev *dev,
331                            struct saa7134_dmaqueue *q,
332                            unsigned int state)
333 {
334         assert_spin_locked(&dev->slock);
335         dprintk("buffer_finish %p\n",q->curr);
336
337         /* finish current buffer */
338         q->curr->vb.state = state;
339         do_gettimeofday(&q->curr->vb.ts);
340         wake_up(&q->curr->vb.done);
341         q->curr = NULL;
342 }
343
344 void saa7134_buffer_next(struct saa7134_dev *dev,
345                          struct saa7134_dmaqueue *q)
346 {
347         struct saa7134_buf *buf,*next = NULL;
348
349         assert_spin_locked(&dev->slock);
350         BUG_ON(NULL != q->curr);
351
352         if (!list_empty(&q->queue)) {
353                 /* activate next one from queue */
354                 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
355                 dprintk("buffer_next %p [prev=%p/next=%p]\n",
356                         buf,q->queue.prev,q->queue.next);
357                 list_del(&buf->vb.queue);
358                 if (!list_empty(&q->queue))
359                         next = list_entry(q->queue.next,struct saa7134_buf,
360                                           vb.queue);
361                 q->curr = buf;
362                 buf->activate(dev,buf,next);
363                 dprintk("buffer_next #2 prev=%p/next=%p\n",
364                         q->queue.prev,q->queue.next);
365         } else {
366                 /* nothing to do -- just stop DMA */
367                 dprintk("buffer_next %p\n",NULL);
368                 saa7134_set_dmabits(dev);
369                 del_timer(&q->timeout);
370         }
371 }
372
373 void saa7134_buffer_timeout(unsigned long data)
374 {
375         struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
376         struct saa7134_dev *dev = q->dev;
377         unsigned long flags;
378
379         spin_lock_irqsave(&dev->slock,flags);
380
381         /* try to reset the hardware (SWRST) */
382         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
383         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
384         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
385
386         /* flag current buffer as failed,
387            try to start over with the next one. */
388         if (q->curr) {
389                 dprintk("timeout on %p\n",q->curr);
390                 saa7134_buffer_finish(dev,q,STATE_ERROR);
391         }
392         saa7134_buffer_next(dev,q);
393         spin_unlock_irqrestore(&dev->slock,flags);
394 }
395
396 /* resends a current buffer in queue after resume */
397
398 int saa7134_buffer_requeue(struct saa7134_dev *dev,
399                          struct saa7134_dmaqueue *q)
400 {
401         struct saa7134_buf *buf, *next;
402
403         assert_spin_locked(&dev->slock);
404
405         buf  = q->curr;
406         next = buf;
407         dprintk("buffer_requeue\n");
408
409         if (!buf)
410                 return 0;
411
412         dprintk("buffer_requeue : resending active buffers \n");
413
414         if (!list_empty(&q->queue))
415                 next = list_entry(q->queue.next, struct saa7134_buf,
416                                           vb.queue);
417         buf->activate(dev, buf, next);
418
419         return 0;
420 }
421
422 /* ------------------------------------------------------------------ */
423
424 int saa7134_set_dmabits(struct saa7134_dev *dev)
425 {
426         u32 split, task=0, ctrl=0, irq=0;
427         enum v4l2_field cap = V4L2_FIELD_ANY;
428         enum v4l2_field ov  = V4L2_FIELD_ANY;
429
430         assert_spin_locked(&dev->slock);
431
432         if (dev->insuspend)
433                 return 0;
434
435         /* video capture -- dma 0 + video task A */
436         if (dev->video_q.curr) {
437                 task |= 0x01;
438                 ctrl |= SAA7134_MAIN_CTRL_TE0;
439                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
440                         SAA7134_IRQ1_INTE_RA0_0;
441                 cap = dev->video_q.curr->vb.field;
442         }
443
444         /* video capture -- dma 1+2 (planar modes) */
445         if (dev->video_q.curr &&
446             dev->video_q.curr->fmt->planar) {
447                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
448                         SAA7134_MAIN_CTRL_TE5;
449         }
450
451         /* screen overlay -- dma 0 + video task B */
452         if (dev->ovenable) {
453                 task |= 0x10;
454                 ctrl |= SAA7134_MAIN_CTRL_TE1;
455                 ov = dev->ovfield;
456         }
457
458         /* vbi capture -- dma 0 + vbi task A+B */
459         if (dev->vbi_q.curr) {
460                 task |= 0x22;
461                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
462                         SAA7134_MAIN_CTRL_TE3;
463                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
464                         SAA7134_IRQ1_INTE_RA0_6 |
465                         SAA7134_IRQ1_INTE_RA0_5 |
466                         SAA7134_IRQ1_INTE_RA0_4;
467         }
468
469         /* audio capture -- dma 3 */
470         if (dev->dmasound.dma_running) {
471                 ctrl |= SAA7134_MAIN_CTRL_TE6;
472                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
473                         SAA7134_IRQ1_INTE_RA3_0;
474         }
475
476         /* TS capture -- dma 5 */
477         if (dev->ts_q.curr) {
478                 ctrl |= SAA7134_MAIN_CTRL_TE5;
479                 irq  |= SAA7134_IRQ1_INTE_RA2_3 |
480                         SAA7134_IRQ1_INTE_RA2_2 |
481                         SAA7134_IRQ1_INTE_RA2_1 |
482                         SAA7134_IRQ1_INTE_RA2_0;
483         }
484
485         /* set task conditions + field handling */
486         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
487                 /* default config -- use full frames */
488                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
489                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
490                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
491                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
492                 split = 0;
493         } else {
494                 /* split fields between tasks */
495                 if (V4L2_FIELD_TOP == cap) {
496                         /* odd A, even B, repeat */
497                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
498                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
499                 } else {
500                         /* odd B, even A, repeat */
501                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
502                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
503                 }
504                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
505                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
506                 split = 1;
507         }
508
509         /* irqs */
510         saa_writeb(SAA7134_REGION_ENABLE, task);
511         saa_writel(SAA7134_IRQ1,          irq);
512         saa_andorl(SAA7134_MAIN_CTRL,
513                    SAA7134_MAIN_CTRL_TE0 |
514                    SAA7134_MAIN_CTRL_TE1 |
515                    SAA7134_MAIN_CTRL_TE2 |
516                    SAA7134_MAIN_CTRL_TE3 |
517                    SAA7134_MAIN_CTRL_TE4 |
518                    SAA7134_MAIN_CTRL_TE5 |
519                    SAA7134_MAIN_CTRL_TE6,
520                    ctrl);
521         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
522                 task, ctrl, irq, split ? "no" : "yes");
523
524         return 0;
525 }
526
527 /* ------------------------------------------------------------------ */
528 /* IRQ handler + helpers                                              */
529
530 static char *irqbits[] = {
531         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
532         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
533         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
534         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
535 };
536 #define IRQBITS ARRAY_SIZE(irqbits)
537
538 static void print_irqstatus(struct saa7134_dev *dev, int loop,
539                             unsigned long report, unsigned long status)
540 {
541         unsigned int i;
542
543         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
544                dev->name,loop,jiffies,report,status);
545         for (i = 0; i < IRQBITS; i++) {
546                 if (!(report & (1 << i)))
547                         continue;
548                 printk(" %s",irqbits[i]);
549         }
550         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
551                 printk(" | RA0=%s,%s,%s,%ld",
552                        (status & 0x40) ? "vbi"  : "video",
553                        (status & 0x20) ? "b"    : "a",
554                        (status & 0x10) ? "odd"  : "even",
555                        (status & 0x0f));
556         }
557         printk("\n");
558 }
559
560 static irqreturn_t saa7134_irq(int irq, void *dev_id)
561 {
562         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
563         unsigned long report,status;
564         int loop, handled = 0;
565
566         if (dev->insuspend)
567                 goto out;
568
569         for (loop = 0; loop < 10; loop++) {
570                 report = saa_readl(SAA7134_IRQ_REPORT);
571                 status = saa_readl(SAA7134_IRQ_STATUS);
572
573                 /* If dmasound support is active and we get a sound report,
574                  * mask out the report and let the saa7134-alsa module deal
575                  * with it */
576                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
577                         (dev->dmasound.priv_data != NULL) )
578                 {
579                         if (irq_debug > 1)
580                                 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
581                                        dev->name);
582                         report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
583                 }
584
585                 if (0 == report) {
586                         if (irq_debug > 1)
587                                 printk(KERN_DEBUG "%s/irq: no (more) work\n",
588                                        dev->name);
589                         goto out;
590                 }
591
592                 handled = 1;
593                 saa_writel(SAA7134_IRQ_REPORT,report);
594                 if (irq_debug)
595                         print_irqstatus(dev,loop,report,status);
596
597
598                 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
599                         (report & SAA7134_IRQ_REPORT_INTL))
600                                 saa7134_irq_video_signalchange(dev);
601
602
603                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
604                     (status & 0x60) == 0)
605                         saa7134_irq_video_done(dev,status);
606
607                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
608                     (status & 0x40) == 0x40)
609                         saa7134_irq_vbi_done(dev,status);
610
611                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
612                     card_has_mpeg(dev))
613                         saa7134_irq_ts_done(dev,status);
614
615                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
616                         switch (dev->has_remote) {
617                                 case SAA7134_REMOTE_GPIO:
618                                         if (!dev->remote)
619                                                 break;
620                                         if  (dev->remote->mask_keydown & 0x10000) {
621                                                 saa7134_input_irq(dev);
622                                         }
623                                         break;
624
625                                 case SAA7134_REMOTE_I2C:
626                                         break;                  /* FIXME: invoke I2C get_key() */
627
628                                 default:                        /* GPIO16 not used by IR remote */
629                                         break;
630                         }
631                 }
632
633                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
634                         switch (dev->has_remote) {
635                                 case SAA7134_REMOTE_GPIO:
636                                         if (!dev->remote)
637                                                 break;
638                                         if ((dev->remote->mask_keydown & 0x40000) ||
639                                             (dev->remote->mask_keyup & 0x40000)) {
640                                                 saa7134_input_irq(dev);
641                                         }
642                                         break;
643
644                                 case SAA7134_REMOTE_I2C:
645                                         break;                  /* FIXME: invoke I2C get_key() */
646
647                                 default:                        /* GPIO18 not used by IR remote */
648                                         break;
649                         }
650                 }
651         }
652
653         if (10 == loop) {
654                 print_irqstatus(dev,loop,report,status);
655                 if (report & SAA7134_IRQ_REPORT_PE) {
656                         /* disable all parity error */
657                         printk(KERN_WARNING "%s/irq: looping -- "
658                                "clearing PE (parity error!) enable bit\n",dev->name);
659                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
660                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
661                         /* disable gpio16 IRQ */
662                         printk(KERN_WARNING "%s/irq: looping -- "
663                                "clearing GPIO16 enable bit\n",dev->name);
664                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
665                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
666                         /* disable gpio18 IRQs */
667                         printk(KERN_WARNING "%s/irq: looping -- "
668                                "clearing GPIO18 enable bit\n",dev->name);
669                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
670                 } else {
671                         /* disable all irqs */
672                         printk(KERN_WARNING "%s/irq: looping -- "
673                                "clearing all enable bits\n",dev->name);
674                         saa_writel(SAA7134_IRQ1,0);
675                         saa_writel(SAA7134_IRQ2,0);
676                 }
677         }
678
679  out:
680         return IRQ_RETVAL(handled);
681 }
682
683 /* ------------------------------------------------------------------ */
684
685 /* early init (no i2c, no irq) */
686
687 static int saa7134_hw_enable1(struct saa7134_dev *dev)
688 {
689         /* RAM FIFO config */
690         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
691         saa_writel(SAA7134_THRESHOULD, 0x02020202);
692
693         /* enable audio + video processing */
694         saa_writel(SAA7134_MAIN_CTRL,
695                         SAA7134_MAIN_CTRL_VPLLE |
696                         SAA7134_MAIN_CTRL_APLLE |
697                         SAA7134_MAIN_CTRL_EXOSC |
698                         SAA7134_MAIN_CTRL_EVFE1 |
699                         SAA7134_MAIN_CTRL_EVFE2 |
700                         SAA7134_MAIN_CTRL_ESFE  |
701                         SAA7134_MAIN_CTRL_EBDAC);
702
703         /*
704         * Initialize OSS _after_ enabling audio clock PLL and audio processing.
705         * OSS initialization writes to registers via the audio DSP; these
706         * writes will fail unless the audio clock has been started.  At worst,
707         * audio will not work.
708         */
709
710         /* enable peripheral devices */
711         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
712
713         /* set vertical line numbering start (vbi needs this) */
714         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
715
716         return 0;
717 }
718
719 static int saa7134_hwinit1(struct saa7134_dev *dev)
720 {
721         dprintk("hwinit1\n");
722
723         saa_writel(SAA7134_IRQ1, 0);
724         saa_writel(SAA7134_IRQ2, 0);
725         mutex_init(&dev->lock);
726         spin_lock_init(&dev->slock);
727
728         saa7134_track_gpio(dev,"pre-init");
729         saa7134_video_init1(dev);
730         saa7134_vbi_init1(dev);
731         if (card_has_mpeg(dev))
732                 saa7134_ts_init1(dev);
733         saa7134_input_init1(dev);
734
735         saa7134_hw_enable1(dev);
736
737         return 0;
738 }
739
740 /* late init (with i2c + irq) */
741 static int saa7134_hw_enable2(struct saa7134_dev *dev)
742 {
743
744         unsigned int irq2_mask;
745
746         /* enable IRQ's */
747         irq2_mask =
748                 SAA7134_IRQ2_INTE_DEC3    |
749                 SAA7134_IRQ2_INTE_DEC2    |
750                 SAA7134_IRQ2_INTE_DEC1    |
751                 SAA7134_IRQ2_INTE_DEC0    |
752                 SAA7134_IRQ2_INTE_PE      |
753                 SAA7134_IRQ2_INTE_AR;
754
755         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
756                 if (dev->remote->mask_keydown & 0x10000)
757                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
758                 else if (dev->remote->mask_keydown & 0x40000)
759                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
760                 else if (dev->remote->mask_keyup & 0x40000)
761                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
762         }
763
764         saa_writel(SAA7134_IRQ1, 0);
765         saa_writel(SAA7134_IRQ2, irq2_mask);
766
767         return 0;
768 }
769
770 static int saa7134_hwinit2(struct saa7134_dev *dev)
771 {
772
773         dprintk("hwinit2\n");
774
775         saa7134_video_init2(dev);
776         saa7134_tvaudio_init2(dev);
777
778         saa7134_hw_enable2(dev);
779
780         return 0;
781 }
782
783
784 /* shutdown */
785 static int saa7134_hwfini(struct saa7134_dev *dev)
786 {
787         dprintk("hwfini\n");
788
789         if (card_has_mpeg(dev))
790                 saa7134_ts_fini(dev);
791         saa7134_input_fini(dev);
792         saa7134_vbi_fini(dev);
793         saa7134_tvaudio_fini(dev);
794         return 0;
795 }
796
797 static void __devinit must_configure_manually(void)
798 {
799         unsigned int i,p;
800
801         printk(KERN_WARNING
802                "saa7134: <rant>\n"
803                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
804                "saa7134:  cents for a eeprom, thus your pci board has no\n"
805                "saa7134:  subsystem ID and I can't identify it automatically\n"
806                "saa7134: </rant>\n"
807                "saa7134: I feel better now.  Ok, here are the good news:\n"
808                "saa7134: You can use the card=<nr> insmod option to specify\n"
809                "saa7134: which board do you have.  The list:\n");
810         for (i = 0; i < saa7134_bcount; i++) {
811                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
812                        i,saa7134_boards[i].name);
813                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
814                         if (saa7134_pci_tbl[p].driver_data != i)
815                                 continue;
816                         printk(" %04x:%04x",
817                                saa7134_pci_tbl[p].subvendor,
818                                saa7134_pci_tbl[p].subdevice);
819                 }
820                 printk("\n");
821         }
822 }
823
824 static struct video_device *vdev_init(struct saa7134_dev *dev,
825                                       struct video_device *template,
826                                       char *type)
827 {
828         struct video_device *vfd;
829
830         vfd = video_device_alloc();
831         if (NULL == vfd)
832                 return NULL;
833         *vfd = *template;
834         vfd->minor   = -1;
835         vfd->dev     = &dev->pci->dev;
836         vfd->release = video_device_release;
837         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
838                  dev->name, type, saa7134_boards[dev->board].name);
839         return vfd;
840 }
841
842 static void saa7134_unregister_video(struct saa7134_dev *dev)
843 {
844         if (dev->video_dev) {
845                 if (-1 != dev->video_dev->minor)
846                         video_unregister_device(dev->video_dev);
847                 else
848                         video_device_release(dev->video_dev);
849                 dev->video_dev = NULL;
850         }
851         if (dev->vbi_dev) {
852                 if (-1 != dev->vbi_dev->minor)
853                         video_unregister_device(dev->vbi_dev);
854                 else
855                         video_device_release(dev->vbi_dev);
856                 dev->vbi_dev = NULL;
857         }
858         if (dev->radio_dev) {
859                 if (-1 != dev->radio_dev->minor)
860                         video_unregister_device(dev->radio_dev);
861                 else
862                         video_device_release(dev->radio_dev);
863                 dev->radio_dev = NULL;
864         }
865 }
866
867 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
868                             struct saa7134_dev *dev)
869 {
870         int err;
871
872         if (NULL != dev->mops)
873                 return;
874         if (saa7134_boards[dev->board].mpeg != ops->type)
875                 return;
876         err = ops->init(dev);
877         if (0 != err)
878                 return;
879         dev->mops = ops;
880 }
881
882 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
883                             struct saa7134_dev *dev)
884 {
885         if (NULL == dev->mops)
886                 return;
887         if (dev->mops != ops)
888                 return;
889         dev->mops->fini(dev);
890         dev->mops = NULL;
891 }
892
893 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
894                                      const struct pci_device_id *pci_id)
895 {
896         struct saa7134_dev *dev;
897         struct saa7134_mpeg_ops *mops;
898         int err;
899
900         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
901         if (NULL == dev)
902                 return -ENOMEM;
903
904         /* pci init */
905         dev->pci = pci_dev;
906         if (pci_enable_device(pci_dev)) {
907                 err = -EIO;
908                 goto fail1;
909         }
910
911         dev->nr = saa7134_devcount;
912         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
913
914         /* pci quirks */
915         if (pci_pci_problems) {
916                 if (pci_pci_problems & PCIPCI_TRITON)
917                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
918                 if (pci_pci_problems & PCIPCI_NATOMA)
919                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
920                 if (pci_pci_problems & PCIPCI_VIAETBF)
921                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
922                 if (pci_pci_problems & PCIPCI_VSFX)
923                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
924 #ifdef PCIPCI_ALIMAGIK
925                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
926                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
927                                dev->name);
928                         latency = 0x0A;
929                 }
930 #endif
931                 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
932                         printk(KERN_INFO "%s: quirk: this driver and your "
933                                         "chipset may not work together"
934                                         " in overlay mode.\n",dev->name);
935                         if (!saa7134_no_overlay) {
936                                 printk(KERN_INFO "%s: quirk: overlay "
937                                                 "mode will be disabled.\n",
938                                                 dev->name);
939                                 saa7134_no_overlay = 1;
940                         } else {
941                                 printk(KERN_INFO "%s: quirk: overlay "
942                                                 "mode will be forced. Use this"
943                                                 " option at your own risk.\n",
944                                                 dev->name);
945                         }
946                 }
947         }
948         if (UNSET != latency) {
949                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
950                        dev->name,latency);
951                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
952         }
953
954         /* print pci info */
955         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
956         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
957         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
958                "latency: %d, mmio: 0x%llx\n", dev->name,
959                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
960                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
961         pci_set_master(pci_dev);
962         if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
963                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
964                 err = -EIO;
965                 goto fail1;
966         }
967
968         /* board config */
969         dev->board = pci_id->driver_data;
970         if (card[dev->nr] >= 0 &&
971             card[dev->nr] < saa7134_bcount)
972                 dev->board = card[dev->nr];
973         if (SAA7134_BOARD_NOAUTO == dev->board) {
974                 must_configure_manually();
975                 dev->board = SAA7134_BOARD_UNKNOWN;
976         }
977         dev->autodetected = card[dev->nr] != dev->board;
978         dev->tuner_type   = saa7134_boards[dev->board].tuner_type;
979         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
980         if (UNSET != tuner[dev->nr])
981                 dev->tuner_type = tuner[dev->nr];
982                 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
983                 dev->name,pci_dev->subsystem_vendor,
984                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
985                 dev->board, dev->autodetected ?
986                 "autodetected" : "insmod option");
987
988         /* get mmio */
989         if (!request_mem_region(pci_resource_start(pci_dev,0),
990                                 pci_resource_len(pci_dev,0),
991                                 dev->name)) {
992                 err = -EBUSY;
993                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
994                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
995                 goto fail1;
996         }
997         dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
998         dev->bmmio = (__u8 __iomem *)dev->lmmio;
999         if (NULL == dev->lmmio) {
1000                 err = -EIO;
1001                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
1002                        dev->name);
1003                 goto fail2;
1004         }
1005
1006         /* initialize hardware #1 */
1007         saa7134_board_init1(dev);
1008         saa7134_hwinit1(dev);
1009
1010         /* get irq */
1011         err = request_irq(pci_dev->irq, saa7134_irq,
1012                           IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1013         if (err < 0) {
1014                 printk(KERN_ERR "%s: can't get IRQ %d\n",
1015                        dev->name,pci_dev->irq);
1016                 goto fail3;
1017         }
1018
1019         /* wait a bit, register i2c bus */
1020         msleep(100);
1021         saa7134_i2c_register(dev);
1022
1023         /* initialize hardware #2 */
1024         saa7134_board_init2(dev);
1025         saa7134_hwinit2(dev);
1026
1027         /* load i2c helpers */
1028         if (TUNER_ABSENT != dev->tuner_type)
1029                 request_module("tuner");
1030         if (card_is_empress(dev)) {
1031                 request_module("saa6752hs");
1032         }
1033
1034         request_submodules(dev);
1035
1036         v4l2_prio_init(&dev->prio);
1037
1038         /* register v4l devices */
1039         if (saa7134_no_overlay <= 0) {
1040                 saa7134_video_template.type |= VID_TYPE_OVERLAY;
1041         } else {
1042                 printk("%s: Overlay support disabled.\n",dev->name);
1043         }
1044         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1045         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1046                                     video_nr[dev->nr]);
1047         if (err < 0) {
1048                 printk(KERN_INFO "%s: can't register video device\n",
1049                        dev->name);
1050                 goto fail4;
1051         }
1052         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
1053                dev->name,dev->video_dev->minor & 0x1f);
1054
1055         dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
1056         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1057                                     vbi_nr[dev->nr]);
1058         if (err < 0)
1059                 goto fail4;
1060         printk(KERN_INFO "%s: registered device vbi%d\n",
1061                dev->name,dev->vbi_dev->minor & 0x1f);
1062
1063         if (card_has_radio(dev)) {
1064                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1065                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1066                                             radio_nr[dev->nr]);
1067                 if (err < 0)
1068                         goto fail4;
1069                 printk(KERN_INFO "%s: registered device radio%d\n",
1070                        dev->name,dev->radio_dev->minor & 0x1f);
1071         }
1072
1073         /* everything worked */
1074         pci_set_drvdata(pci_dev,dev);
1075         saa7134_devcount++;
1076
1077         mutex_lock(&devlist_lock);
1078         list_for_each_entry(mops, &mops_list, next)
1079                 mpeg_ops_attach(mops, dev);
1080         list_add_tail(&dev->devlist,&saa7134_devlist);
1081         mutex_unlock(&devlist_lock);
1082
1083         /* check for signal */
1084         saa7134_irq_video_signalchange(dev);
1085
1086         if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1087                 saa7134_dmasound_init(dev);
1088         }
1089
1090         if (TUNER_ABSENT != dev->tuner_type)
1091                 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1092
1093         return 0;
1094
1095  fail4:
1096         saa7134_unregister_video(dev);
1097         saa7134_i2c_unregister(dev);
1098         free_irq(pci_dev->irq, dev);
1099  fail3:
1100         saa7134_hwfini(dev);
1101         iounmap(dev->lmmio);
1102  fail2:
1103         release_mem_region(pci_resource_start(pci_dev,0),
1104                            pci_resource_len(pci_dev,0));
1105  fail1:
1106         kfree(dev);
1107         return err;
1108 }
1109
1110 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1111 {
1112         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1113         struct saa7134_mpeg_ops *mops;
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(&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(&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         pci_set_drvdata(pci_dev, NULL);
1165
1166         /* free memory */
1167         kfree(dev);
1168 }
1169
1170 #ifdef CONFIG_PM
1171 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1172 {
1173
1174         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1175
1176         /* disable overlay - apps should enable it explicitly on resume*/
1177         dev->ovenable = 0;
1178
1179         /* Disable interrupts, DMA, and rest of the chip*/
1180         saa_writel(SAA7134_IRQ1, 0);
1181         saa_writel(SAA7134_IRQ2, 0);
1182         saa_writel(SAA7134_MAIN_CTRL, 0);
1183
1184         synchronize_irq(pci_dev->irq);
1185         dev->insuspend = 1;
1186
1187         /* Disable timeout timers - if we have active buffers, we will
1188            fill them on resume*/
1189
1190         del_timer(&dev->video_q.timeout);
1191         del_timer(&dev->vbi_q.timeout);
1192         del_timer(&dev->ts_q.timeout);
1193
1194         if (dev->remote)
1195                 saa7134_ir_stop(dev);
1196
1197         pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1198         pci_save_state(pci_dev);
1199
1200     return 0;
1201 }
1202
1203 static int saa7134_resume(struct pci_dev *pci_dev)
1204 {
1205
1206         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1207         unsigned int flags;
1208
1209         pci_restore_state(pci_dev);
1210         pci_set_power_state(pci_dev, PCI_D0);
1211
1212         /* Do things that are done in saa7134_initdev ,
1213                 except of initializing memory structures.*/
1214
1215         saa7134_board_init1(dev);
1216
1217         /* saa7134_hwinit1 */
1218         if (saa7134_boards[dev->board].video_out)
1219                 saa7134_videoport_init(dev);
1220         if (card_has_mpeg(dev))
1221                 saa7134_ts_init_hw(dev);
1222         if (dev->remote)
1223                 saa7134_ir_start(dev, dev->remote);
1224         saa7134_hw_enable1(dev);
1225
1226
1227         saa7134_board_init2(dev);
1228
1229         /*saa7134_hwinit2*/
1230         saa7134_set_tvnorm_hw(dev);
1231         saa7134_tvaudio_setmute(dev);
1232         saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1233         saa7134_tvaudio_do_scan(dev);
1234         saa7134_enable_i2s(dev);
1235         saa7134_hw_enable2(dev);
1236
1237         /*resume unfinished buffer(s)*/
1238         spin_lock_irqsave(&dev->slock, flags);
1239         saa7134_buffer_requeue(dev, &dev->video_q);
1240         saa7134_buffer_requeue(dev, &dev->vbi_q);
1241         saa7134_buffer_requeue(dev, &dev->ts_q);
1242
1243         /* FIXME: Disable DMA audio sound - temporary till proper support
1244                   is implemented*/
1245
1246         dev->dmasound.dma_running = 0;
1247
1248         /* start DMA now*/
1249         dev->insuspend = 0;
1250         saa7134_set_dmabits(dev);
1251         spin_unlock_irqrestore(&dev->slock, flags);
1252
1253         return 0;
1254 }
1255 #endif
1256
1257 /* ----------------------------------------------------------- */
1258
1259 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1260 {
1261         struct saa7134_dev *dev;
1262
1263         mutex_lock(&devlist_lock);
1264         list_for_each_entry(dev, &saa7134_devlist, devlist)
1265                 mpeg_ops_attach(ops, dev);
1266         list_add_tail(&ops->next,&mops_list);
1267         mutex_unlock(&devlist_lock);
1268         return 0;
1269 }
1270
1271 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1272 {
1273         struct saa7134_dev *dev;
1274
1275         mutex_lock(&devlist_lock);
1276         list_del(&ops->next);
1277         list_for_each_entry(dev, &saa7134_devlist, devlist)
1278                 mpeg_ops_detach(ops, dev);
1279         mutex_unlock(&devlist_lock);
1280 }
1281
1282 EXPORT_SYMBOL(saa7134_ts_register);
1283 EXPORT_SYMBOL(saa7134_ts_unregister);
1284
1285 /* ----------------------------------------------------------- */
1286
1287 static struct pci_driver saa7134_pci_driver = {
1288         .name     = "saa7134",
1289         .id_table = saa7134_pci_tbl,
1290         .probe    = saa7134_initdev,
1291         .remove   = __devexit_p(saa7134_finidev),
1292 #ifdef CONFIG_PM
1293         .suspend  = saa7134_suspend,
1294         .resume   = saa7134_resume
1295 #endif
1296 };
1297
1298 static int saa7134_init(void)
1299 {
1300         INIT_LIST_HEAD(&saa7134_devlist);
1301         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1302                (SAA7134_VERSION_CODE >> 16) & 0xff,
1303                (SAA7134_VERSION_CODE >>  8) & 0xff,
1304                SAA7134_VERSION_CODE & 0xff);
1305 #ifdef SNAPSHOT
1306         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1307                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1308 #endif
1309         return pci_register_driver(&saa7134_pci_driver);
1310 }
1311
1312 static void saa7134_fini(void)
1313 {
1314         pci_unregister_driver(&saa7134_pci_driver);
1315 }
1316
1317 module_init(saa7134_init);
1318 module_exit(saa7134_fini);
1319
1320 /* ----------------------------------------------------------- */
1321
1322 EXPORT_SYMBOL(saa7134_set_gpio);
1323 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1324 EXPORT_SYMBOL(saa7134_devlist);
1325 EXPORT_SYMBOL(saa7134_boards);
1326
1327 /* ----------------- for the DMA sound modules --------------- */
1328
1329 EXPORT_SYMBOL(saa7134_dmasound_init);
1330 EXPORT_SYMBOL(saa7134_dmasound_exit);
1331 EXPORT_SYMBOL(saa7134_pgtable_free);
1332 EXPORT_SYMBOL(saa7134_pgtable_build);
1333 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1334 EXPORT_SYMBOL(saa7134_set_dmabits);
1335
1336 /* ----------------------------------------------------------- */
1337 /*
1338  * Local variables:
1339  * c-basic-offset: 8
1340  * End:
1341  */