Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask
[linux-2.6] / drivers / media / video / saa7134 / saa7134-core.c
1 /*
2  *
3  * device driver for philips saa7134 based TV cards
4  * driver core
5  *
6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/kmod.h>
29 #include <linux/sound.h>
30 #include <linux/interrupt.h>
31 #include <linux/delay.h>
32 #include <linux/mutex.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/pm.h>
35
36 #include "saa7134-reg.h"
37 #include "saa7134.h"
38
39 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
40 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
41 MODULE_LICENSE("GPL");
42
43 /* ------------------------------------------------------------------ */
44
45 static unsigned int irq_debug;
46 module_param(irq_debug, int, 0644);
47 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
48
49 static unsigned int core_debug;
50 module_param(core_debug, int, 0644);
51 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
52
53 static unsigned int gpio_tracking;
54 module_param(gpio_tracking, int, 0644);
55 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
56
57 static unsigned int alsa = 1;
58 module_param(alsa, int, 0644);
59 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
60
61 static unsigned int latency = UNSET;
62 module_param(latency, int, 0444);
63 MODULE_PARM_DESC(latency,"pci latency timer");
64
65 int saa7134_no_overlay=-1;
66 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
67 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
68                 " [some VIA/SIS chipsets are known to have problem with overlay]");
69
70 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
71 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
72 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
73 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
74 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75
76
77 module_param_array(video_nr, int, NULL, 0444);
78 module_param_array(vbi_nr,   int, NULL, 0444);
79 module_param_array(radio_nr, int, NULL, 0444);
80 module_param_array(tuner,    int, NULL, 0444);
81 module_param_array(card,     int, NULL, 0444);
82
83 MODULE_PARM_DESC(video_nr, "video device number");
84 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
85 MODULE_PARM_DESC(radio_nr, "radio device number");
86 MODULE_PARM_DESC(tuner,    "tuner type");
87 MODULE_PARM_DESC(card,     "card type");
88
89 DEFINE_MUTEX(saa7134_devlist_lock);
90 EXPORT_SYMBOL(saa7134_devlist_lock);
91 LIST_HEAD(saa7134_devlist);
92 EXPORT_SYMBOL(saa7134_devlist);
93 static LIST_HEAD(mops_list);
94 static unsigned int saa7134_devcount;
95
96 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
97 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
98
99 #define dprintk(fmt, arg...)    if (core_debug) \
100         printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
101
102 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
103 {
104         unsigned long mode,status;
105
106         if (!gpio_tracking)
107                 return;
108         /* rising SAA7134_GPIO_GPRESCAN reads the status */
109         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
110         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
111         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
112         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
113         printk(KERN_DEBUG
114                "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
115                dev->name, mode, (~mode) & status, mode & status, msg);
116 }
117
118 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
119 {
120         u32 index, bitval;
121
122         index = 1 << bit_no;
123         switch (value) {
124         case 0: /* static value */
125         case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
126                 /* turn sync mode off if necessary */
127                 if (index & 0x00c00000)
128                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
129                 if (value)
130                         bitval = index;
131                 else
132                         bitval = 0;
133                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
134                 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
135                 break;
136         case 3: /* tristate */
137                 dprintk("setting GPIO%d to tristate\n", bit_no);
138                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
139                 break;
140         }
141 }
142
143 /* ------------------------------------------------------------------ */
144
145
146 /* ----------------------------------------------------------- */
147 /* delayed request_module                                      */
148
149 #if defined(CONFIG_MODULES) && defined(MODULE)
150
151 static void request_module_async(struct work_struct *work){
152         struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
153         if (card_is_empress(dev))
154                 request_module("saa7134-empress");
155         if (card_is_dvb(dev))
156                 request_module("saa7134-dvb");
157         if (alsa) {
158                 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
159                         request_module("saa7134-alsa");
160         }
161 }
162
163 static void request_submodules(struct saa7134_dev *dev)
164 {
165         INIT_WORK(&dev->request_module_wk, request_module_async);
166         schedule_work(&dev->request_module_wk);
167 }
168
169 #else
170 #define request_submodules(dev)
171 #endif /* CONFIG_MODULES */
172
173 /* ------------------------------------------------------------------ */
174
175 /* nr of (saa7134-)pages for the given buffer size */
176 static int saa7134_buffer_pages(int size)
177 {
178         size  = PAGE_ALIGN(size);
179         size += PAGE_SIZE; /* for non-page-aligned buffers */
180         size /= 4096;
181         return size;
182 }
183
184 /* calc max # of buffers from size (must not exceed the 4MB virtual
185  * address space per DMA channel) */
186 int saa7134_buffer_count(unsigned int size, unsigned int count)
187 {
188         unsigned int maxcount;
189
190         maxcount = 1024 / saa7134_buffer_pages(size);
191         if (count > maxcount)
192                 count = maxcount;
193         return count;
194 }
195
196 int saa7134_buffer_startpage(struct saa7134_buf *buf)
197 {
198         return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
199 }
200
201 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
202 {
203         unsigned long base;
204         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
205
206         base  = saa7134_buffer_startpage(buf) * 4096;
207         base += dma->sglist[0].offset;
208         return base;
209 }
210
211 /* ------------------------------------------------------------------ */
212
213 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
214 {
215         __le32       *cpu;
216         dma_addr_t   dma_addr = 0;
217
218         cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
219         if (NULL == cpu)
220                 return -ENOMEM;
221         pt->size = SAA7134_PGTABLE_SIZE;
222         pt->cpu  = cpu;
223         pt->dma  = dma_addr;
224         return 0;
225 }
226
227 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
228                           struct scatterlist *list, unsigned int length,
229                           unsigned int startpage)
230 {
231         __le32        *ptr;
232         unsigned int  i,p;
233
234         BUG_ON(NULL == pt || NULL == pt->cpu);
235
236         ptr = pt->cpu + startpage;
237         for (i = 0; i < length; i++, list++)
238                 for (p = 0; p * 4096 < list->length; p++, ptr++)
239                         *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
240         return 0;
241 }
242
243 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
244 {
245         if (NULL == pt->cpu)
246                 return;
247         pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
248         pt->cpu = NULL;
249 }
250
251 /* ------------------------------------------------------------------ */
252
253 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
254 {
255         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
256         BUG_ON(in_interrupt());
257
258         videobuf_waiton(&buf->vb,0,0);
259         videobuf_dma_unmap(q, dma);
260         videobuf_dma_free(dma);
261         buf->vb.state = VIDEOBUF_NEEDS_INIT;
262 }
263
264 /* ------------------------------------------------------------------ */
265
266 int saa7134_buffer_queue(struct saa7134_dev *dev,
267                          struct saa7134_dmaqueue *q,
268                          struct saa7134_buf *buf)
269 {
270         struct saa7134_buf *next = NULL;
271
272         assert_spin_locked(&dev->slock);
273         dprintk("buffer_queue %p\n",buf);
274         if (NULL == q->curr) {
275                 if (!q->need_two) {
276                         q->curr = buf;
277                         buf->activate(dev,buf,NULL);
278                 } else if (list_empty(&q->queue)) {
279                         list_add_tail(&buf->vb.queue,&q->queue);
280                         buf->vb.state = VIDEOBUF_QUEUED;
281                 } else {
282                         next = list_entry(q->queue.next,struct saa7134_buf,
283                                           vb.queue);
284                         q->curr = buf;
285                         buf->activate(dev,buf,next);
286                 }
287         } else {
288                 list_add_tail(&buf->vb.queue,&q->queue);
289                 buf->vb.state = VIDEOBUF_QUEUED;
290         }
291         return 0;
292 }
293
294 void saa7134_buffer_finish(struct saa7134_dev *dev,
295                            struct saa7134_dmaqueue *q,
296                            unsigned int state)
297 {
298         assert_spin_locked(&dev->slock);
299         dprintk("buffer_finish %p\n",q->curr);
300
301         /* finish current buffer */
302         q->curr->vb.state = state;
303         do_gettimeofday(&q->curr->vb.ts);
304         wake_up(&q->curr->vb.done);
305         q->curr = NULL;
306 }
307
308 void saa7134_buffer_next(struct saa7134_dev *dev,
309                          struct saa7134_dmaqueue *q)
310 {
311         struct saa7134_buf *buf,*next = NULL;
312
313         assert_spin_locked(&dev->slock);
314         BUG_ON(NULL != q->curr);
315
316         if (!list_empty(&q->queue)) {
317                 /* activate next one from queue */
318                 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
319                 dprintk("buffer_next %p [prev=%p/next=%p]\n",
320                         buf,q->queue.prev,q->queue.next);
321                 list_del(&buf->vb.queue);
322                 if (!list_empty(&q->queue))
323                         next = list_entry(q->queue.next,struct saa7134_buf,
324                                           vb.queue);
325                 q->curr = buf;
326                 buf->activate(dev,buf,next);
327                 dprintk("buffer_next #2 prev=%p/next=%p\n",
328                         q->queue.prev,q->queue.next);
329         } else {
330                 /* nothing to do -- just stop DMA */
331                 dprintk("buffer_next %p\n",NULL);
332                 saa7134_set_dmabits(dev);
333                 del_timer(&q->timeout);
334         }
335 }
336
337 void saa7134_buffer_timeout(unsigned long data)
338 {
339         struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
340         struct saa7134_dev *dev = q->dev;
341         unsigned long flags;
342
343         spin_lock_irqsave(&dev->slock,flags);
344
345         /* try to reset the hardware (SWRST) */
346         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
347         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
348         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
349
350         /* flag current buffer as failed,
351            try to start over with the next one. */
352         if (q->curr) {
353                 dprintk("timeout on %p\n",q->curr);
354                 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
355         }
356         saa7134_buffer_next(dev,q);
357         spin_unlock_irqrestore(&dev->slock,flags);
358 }
359
360 /* ------------------------------------------------------------------ */
361
362 int saa7134_set_dmabits(struct saa7134_dev *dev)
363 {
364         u32 split, task=0, ctrl=0, irq=0;
365         enum v4l2_field cap = V4L2_FIELD_ANY;
366         enum v4l2_field ov  = V4L2_FIELD_ANY;
367
368         assert_spin_locked(&dev->slock);
369
370         if (dev->insuspend)
371                 return 0;
372
373         /* video capture -- dma 0 + video task A */
374         if (dev->video_q.curr) {
375                 task |= 0x01;
376                 ctrl |= SAA7134_MAIN_CTRL_TE0;
377                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
378                         SAA7134_IRQ1_INTE_RA0_0;
379                 cap = dev->video_q.curr->vb.field;
380         }
381
382         /* video capture -- dma 1+2 (planar modes) */
383         if (dev->video_q.curr &&
384             dev->video_q.curr->fmt->planar) {
385                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
386                         SAA7134_MAIN_CTRL_TE5;
387         }
388
389         /* screen overlay -- dma 0 + video task B */
390         if (dev->ovenable) {
391                 task |= 0x10;
392                 ctrl |= SAA7134_MAIN_CTRL_TE1;
393                 ov = dev->ovfield;
394         }
395
396         /* vbi capture -- dma 0 + vbi task A+B */
397         if (dev->vbi_q.curr) {
398                 task |= 0x22;
399                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
400                         SAA7134_MAIN_CTRL_TE3;
401                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
402                         SAA7134_IRQ1_INTE_RA0_6 |
403                         SAA7134_IRQ1_INTE_RA0_5 |
404                         SAA7134_IRQ1_INTE_RA0_4;
405         }
406
407         /* audio capture -- dma 3 */
408         if (dev->dmasound.dma_running) {
409                 ctrl |= SAA7134_MAIN_CTRL_TE6;
410                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
411                         SAA7134_IRQ1_INTE_RA3_0;
412         }
413
414         /* TS capture -- dma 5 */
415         if (dev->ts_q.curr) {
416                 ctrl |= SAA7134_MAIN_CTRL_TE5;
417                 irq  |= SAA7134_IRQ1_INTE_RA2_1 |
418                         SAA7134_IRQ1_INTE_RA2_0;
419         }
420
421         /* set task conditions + field handling */
422         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
423                 /* default config -- use full frames */
424                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
425                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
426                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
427                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
428                 split = 0;
429         } else {
430                 /* split fields between tasks */
431                 if (V4L2_FIELD_TOP == cap) {
432                         /* odd A, even B, repeat */
433                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
434                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
435                 } else {
436                         /* odd B, even A, repeat */
437                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
438                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
439                 }
440                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
441                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
442                 split = 1;
443         }
444
445         /* irqs */
446         saa_writeb(SAA7134_REGION_ENABLE, task);
447         saa_writel(SAA7134_IRQ1,          irq);
448         saa_andorl(SAA7134_MAIN_CTRL,
449                    SAA7134_MAIN_CTRL_TE0 |
450                    SAA7134_MAIN_CTRL_TE1 |
451                    SAA7134_MAIN_CTRL_TE2 |
452                    SAA7134_MAIN_CTRL_TE3 |
453                    SAA7134_MAIN_CTRL_TE4 |
454                    SAA7134_MAIN_CTRL_TE5 |
455                    SAA7134_MAIN_CTRL_TE6,
456                    ctrl);
457         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
458                 task, ctrl, irq, split ? "no" : "yes");
459
460         return 0;
461 }
462
463 /* ------------------------------------------------------------------ */
464 /* IRQ handler + helpers                                              */
465
466 static char *irqbits[] = {
467         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
468         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
469         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
470         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
471 };
472 #define IRQBITS ARRAY_SIZE(irqbits)
473
474 static void print_irqstatus(struct saa7134_dev *dev, int loop,
475                             unsigned long report, unsigned long status)
476 {
477         unsigned int i;
478
479         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
480                dev->name,loop,jiffies,report,status);
481         for (i = 0; i < IRQBITS; i++) {
482                 if (!(report & (1 << i)))
483                         continue;
484                 printk(" %s",irqbits[i]);
485         }
486         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
487                 printk(" | RA0=%s,%s,%s,%ld",
488                        (status & 0x40) ? "vbi"  : "video",
489                        (status & 0x20) ? "b"    : "a",
490                        (status & 0x10) ? "odd"  : "even",
491                        (status & 0x0f));
492         }
493         printk("\n");
494 }
495
496 static irqreturn_t saa7134_irq(int irq, void *dev_id)
497 {
498         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
499         unsigned long report,status;
500         int loop, handled = 0;
501
502         if (dev->insuspend)
503                 goto out;
504
505         for (loop = 0; loop < 10; loop++) {
506                 report = saa_readl(SAA7134_IRQ_REPORT);
507                 status = saa_readl(SAA7134_IRQ_STATUS);
508
509                 /* If dmasound support is active and we get a sound report,
510                  * mask out the report and let the saa7134-alsa module deal
511                  * with it */
512                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
513                         (dev->dmasound.priv_data != NULL) )
514                 {
515                         if (irq_debug > 1)
516                                 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
517                                        dev->name);
518                         report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
519                 }
520
521                 if (0 == report) {
522                         if (irq_debug > 1)
523                                 printk(KERN_DEBUG "%s/irq: no (more) work\n",
524                                        dev->name);
525                         goto out;
526                 }
527
528                 handled = 1;
529                 saa_writel(SAA7134_IRQ_REPORT,report);
530                 if (irq_debug)
531                         print_irqstatus(dev,loop,report,status);
532
533
534                 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
535                         (report & SAA7134_IRQ_REPORT_INTL))
536                                 saa7134_irq_video_signalchange(dev);
537
538
539                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
540                     (status & 0x60) == 0)
541                         saa7134_irq_video_done(dev,status);
542
543                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
544                     (status & 0x40) == 0x40)
545                         saa7134_irq_vbi_done(dev,status);
546
547                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
548                     card_has_mpeg(dev))
549                         saa7134_irq_ts_done(dev,status);
550
551                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
552                         switch (dev->has_remote) {
553                                 case SAA7134_REMOTE_GPIO:
554                                         if (!dev->remote)
555                                                 break;
556                                         if  (dev->remote->mask_keydown & 0x10000) {
557                                                 saa7134_input_irq(dev);
558                                         }
559                                         break;
560
561                                 case SAA7134_REMOTE_I2C:
562                                         break;                  /* FIXME: invoke I2C get_key() */
563
564                                 default:                        /* GPIO16 not used by IR remote */
565                                         break;
566                         }
567                 }
568
569                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
570                         switch (dev->has_remote) {
571                                 case SAA7134_REMOTE_GPIO:
572                                         if (!dev->remote)
573                                                 break;
574                                         if ((dev->remote->mask_keydown & 0x40000) ||
575                                             (dev->remote->mask_keyup & 0x40000)) {
576                                                 saa7134_input_irq(dev);
577                                         }
578                                         break;
579
580                                 case SAA7134_REMOTE_I2C:
581                                         break;                  /* FIXME: invoke I2C get_key() */
582
583                                 default:                        /* GPIO18 not used by IR remote */
584                                         break;
585                         }
586                 }
587         }
588
589         if (10 == loop) {
590                 print_irqstatus(dev,loop,report,status);
591                 if (report & SAA7134_IRQ_REPORT_PE) {
592                         /* disable all parity error */
593                         printk(KERN_WARNING "%s/irq: looping -- "
594                                "clearing PE (parity error!) enable bit\n",dev->name);
595                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
596                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
597                         /* disable gpio16 IRQ */
598                         printk(KERN_WARNING "%s/irq: looping -- "
599                                "clearing GPIO16 enable bit\n",dev->name);
600                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
601                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
602                         /* disable gpio18 IRQs */
603                         printk(KERN_WARNING "%s/irq: looping -- "
604                                "clearing GPIO18 enable bit\n",dev->name);
605                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
606                 } else {
607                         /* disable all irqs */
608                         printk(KERN_WARNING "%s/irq: looping -- "
609                                "clearing all enable bits\n",dev->name);
610                         saa_writel(SAA7134_IRQ1,0);
611                         saa_writel(SAA7134_IRQ2,0);
612                 }
613         }
614
615  out:
616         return IRQ_RETVAL(handled);
617 }
618
619 /* ------------------------------------------------------------------ */
620
621 /* early init (no i2c, no irq) */
622
623 static int saa7134_hw_enable1(struct saa7134_dev *dev)
624 {
625         /* RAM FIFO config */
626         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
627         saa_writel(SAA7134_THRESHOULD, 0x02020202);
628
629         /* enable audio + video processing */
630         saa_writel(SAA7134_MAIN_CTRL,
631                         SAA7134_MAIN_CTRL_VPLLE |
632                         SAA7134_MAIN_CTRL_APLLE |
633                         SAA7134_MAIN_CTRL_EXOSC |
634                         SAA7134_MAIN_CTRL_EVFE1 |
635                         SAA7134_MAIN_CTRL_EVFE2 |
636                         SAA7134_MAIN_CTRL_ESFE  |
637                         SAA7134_MAIN_CTRL_EBDAC);
638
639         /*
640         * Initialize OSS _after_ enabling audio clock PLL and audio processing.
641         * OSS initialization writes to registers via the audio DSP; these
642         * writes will fail unless the audio clock has been started.  At worst,
643         * audio will not work.
644         */
645
646         /* enable peripheral devices */
647         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
648
649         /* set vertical line numbering start (vbi needs this) */
650         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
651
652         return 0;
653 }
654
655 static int saa7134_hwinit1(struct saa7134_dev *dev)
656 {
657         dprintk("hwinit1\n");
658
659         saa_writel(SAA7134_IRQ1, 0);
660         saa_writel(SAA7134_IRQ2, 0);
661
662         /* Clear any stale IRQ reports */
663         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
664
665         mutex_init(&dev->lock);
666         spin_lock_init(&dev->slock);
667
668         saa7134_track_gpio(dev,"pre-init");
669         saa7134_video_init1(dev);
670         saa7134_vbi_init1(dev);
671         if (card_has_mpeg(dev))
672                 saa7134_ts_init1(dev);
673         saa7134_input_init1(dev);
674
675         saa7134_hw_enable1(dev);
676
677         return 0;
678 }
679
680 /* late init (with i2c + irq) */
681 static int saa7134_hw_enable2(struct saa7134_dev *dev)
682 {
683
684         unsigned int irq2_mask;
685
686         /* enable IRQ's */
687         irq2_mask =
688                 SAA7134_IRQ2_INTE_DEC3    |
689                 SAA7134_IRQ2_INTE_DEC2    |
690                 SAA7134_IRQ2_INTE_DEC1    |
691                 SAA7134_IRQ2_INTE_DEC0    |
692                 SAA7134_IRQ2_INTE_PE      |
693                 SAA7134_IRQ2_INTE_AR;
694
695         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
696                 if (dev->remote->mask_keydown & 0x10000)
697                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
698                 else if (dev->remote->mask_keydown & 0x40000)
699                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
700                 else if (dev->remote->mask_keyup & 0x40000)
701                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
702         }
703
704         if (dev->has_remote == SAA7134_REMOTE_I2C) {
705                 request_module("ir-kbd-i2c");
706         }
707
708         saa_writel(SAA7134_IRQ1, 0);
709         saa_writel(SAA7134_IRQ2, irq2_mask);
710
711         return 0;
712 }
713
714 static int saa7134_hwinit2(struct saa7134_dev *dev)
715 {
716
717         dprintk("hwinit2\n");
718
719         saa7134_video_init2(dev);
720         saa7134_tvaudio_init2(dev);
721
722         saa7134_hw_enable2(dev);
723
724         return 0;
725 }
726
727
728 /* shutdown */
729 static int saa7134_hwfini(struct saa7134_dev *dev)
730 {
731         dprintk("hwfini\n");
732
733         if (card_has_mpeg(dev))
734                 saa7134_ts_fini(dev);
735         saa7134_input_fini(dev);
736         saa7134_vbi_fini(dev);
737         saa7134_tvaudio_fini(dev);
738         return 0;
739 }
740
741 static void __devinit must_configure_manually(void)
742 {
743         unsigned int i,p;
744
745         printk(KERN_WARNING
746                "saa7134: <rant>\n"
747                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
748                "saa7134:  cents for a eeprom, thus your pci board has no\n"
749                "saa7134:  subsystem ID and I can't identify it automatically\n"
750                "saa7134: </rant>\n"
751                "saa7134: I feel better now.  Ok, here are the good news:\n"
752                "saa7134: You can use the card=<nr> insmod option to specify\n"
753                "saa7134: which board do you have.  The list:\n");
754         for (i = 0; i < saa7134_bcount; i++) {
755                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
756                        i,saa7134_boards[i].name);
757                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
758                         if (saa7134_pci_tbl[p].driver_data != i)
759                                 continue;
760                         printk(" %04x:%04x",
761                                saa7134_pci_tbl[p].subvendor,
762                                saa7134_pci_tbl[p].subdevice);
763                 }
764                 printk("\n");
765         }
766 }
767
768 static struct video_device *vdev_init(struct saa7134_dev *dev,
769                                       struct video_device *template,
770                                       char *type)
771 {
772         struct video_device *vfd;
773
774         vfd = video_device_alloc();
775         if (NULL == vfd)
776                 return NULL;
777         *vfd = *template;
778         vfd->minor   = -1;
779         vfd->v4l2_dev  = &dev->v4l2_dev;
780         vfd->release = video_device_release;
781         vfd->debug   = video_debug;
782         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
783                  dev->name, type, saa7134_boards[dev->board].name);
784         return vfd;
785 }
786
787 static void saa7134_unregister_video(struct saa7134_dev *dev)
788 {
789         if (dev->video_dev) {
790                 if (-1 != dev->video_dev->minor)
791                         video_unregister_device(dev->video_dev);
792                 else
793                         video_device_release(dev->video_dev);
794                 dev->video_dev = NULL;
795         }
796         if (dev->vbi_dev) {
797                 if (-1 != dev->vbi_dev->minor)
798                         video_unregister_device(dev->vbi_dev);
799                 else
800                         video_device_release(dev->vbi_dev);
801                 dev->vbi_dev = NULL;
802         }
803         if (dev->radio_dev) {
804                 if (-1 != dev->radio_dev->minor)
805                         video_unregister_device(dev->radio_dev);
806                 else
807                         video_device_release(dev->radio_dev);
808                 dev->radio_dev = NULL;
809         }
810 }
811
812 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
813                             struct saa7134_dev *dev)
814 {
815         int err;
816
817         if (NULL != dev->mops)
818                 return;
819         if (saa7134_boards[dev->board].mpeg != ops->type)
820                 return;
821         err = ops->init(dev);
822         if (0 != err)
823                 return;
824         dev->mops = ops;
825 }
826
827 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
828                             struct saa7134_dev *dev)
829 {
830         if (NULL == dev->mops)
831                 return;
832         if (dev->mops != ops)
833                 return;
834         dev->mops->fini(dev);
835         dev->mops = NULL;
836 }
837
838 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
839                                      const struct pci_device_id *pci_id)
840 {
841         struct saa7134_dev *dev;
842         struct saa7134_mpeg_ops *mops;
843         int err;
844
845         if (saa7134_devcount == SAA7134_MAXBOARDS)
846                 return -ENOMEM;
847
848         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
849         if (NULL == dev)
850                 return -ENOMEM;
851
852         err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
853         if (err)
854                 goto fail0;
855
856         /* pci init */
857         dev->pci = pci_dev;
858         if (pci_enable_device(pci_dev)) {
859                 err = -EIO;
860                 goto fail1;
861         }
862
863         dev->nr = saa7134_devcount;
864         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
865
866         /* pci quirks */
867         if (pci_pci_problems) {
868                 if (pci_pci_problems & PCIPCI_TRITON)
869                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
870                 if (pci_pci_problems & PCIPCI_NATOMA)
871                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
872                 if (pci_pci_problems & PCIPCI_VIAETBF)
873                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
874                 if (pci_pci_problems & PCIPCI_VSFX)
875                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
876 #ifdef PCIPCI_ALIMAGIK
877                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
878                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
879                                dev->name);
880                         latency = 0x0A;
881                 }
882 #endif
883                 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
884                         printk(KERN_INFO "%s: quirk: this driver and your "
885                                         "chipset may not work together"
886                                         " in overlay mode.\n",dev->name);
887                         if (!saa7134_no_overlay) {
888                                 printk(KERN_INFO "%s: quirk: overlay "
889                                                 "mode will be disabled.\n",
890                                                 dev->name);
891                                 saa7134_no_overlay = 1;
892                         } else {
893                                 printk(KERN_INFO "%s: quirk: overlay "
894                                                 "mode will be forced. Use this"
895                                                 " option at your own risk.\n",
896                                                 dev->name);
897                         }
898                 }
899         }
900         if (UNSET != latency) {
901                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
902                        dev->name,latency);
903                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
904         }
905
906         /* print pci info */
907         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
908         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
909         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
910                "latency: %d, mmio: 0x%llx\n", dev->name,
911                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
912                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
913         pci_set_master(pci_dev);
914         if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
915                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
916                 err = -EIO;
917                 goto fail1;
918         }
919
920         /* board config */
921         dev->board = pci_id->driver_data;
922         if (card[dev->nr] >= 0 &&
923             card[dev->nr] < saa7134_bcount)
924                 dev->board = card[dev->nr];
925         if (SAA7134_BOARD_NOAUTO == dev->board) {
926                 must_configure_manually();
927                 dev->board = SAA7134_BOARD_UNKNOWN;
928         }
929         dev->autodetected = card[dev->nr] != dev->board;
930         dev->tuner_type = saa7134_boards[dev->board].tuner_type;
931         dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
932         dev->radio_type = saa7134_boards[dev->board].radio_type;
933         dev->radio_addr = saa7134_boards[dev->board].radio_addr;
934         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
935         if (UNSET != tuner[dev->nr])
936                 dev->tuner_type = tuner[dev->nr];
937         printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
938                 dev->name,pci_dev->subsystem_vendor,
939                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
940                 dev->board, dev->autodetected ?
941                 "autodetected" : "insmod option");
942
943         /* get mmio */
944         if (!request_mem_region(pci_resource_start(pci_dev,0),
945                                 pci_resource_len(pci_dev,0),
946                                 dev->name)) {
947                 err = -EBUSY;
948                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
949                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
950                 goto fail1;
951         }
952         dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
953                              pci_resource_len(pci_dev, 0));
954         dev->bmmio = (__u8 __iomem *)dev->lmmio;
955         if (NULL == dev->lmmio) {
956                 err = -EIO;
957                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
958                        dev->name);
959                 goto fail2;
960         }
961
962         /* initialize hardware #1 */
963         saa7134_board_init1(dev);
964         saa7134_hwinit1(dev);
965
966         /* get irq */
967         err = request_irq(pci_dev->irq, saa7134_irq,
968                           IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
969         if (err < 0) {
970                 printk(KERN_ERR "%s: can't get IRQ %d\n",
971                        dev->name,pci_dev->irq);
972                 goto fail3;
973         }
974
975         /* wait a bit, register i2c bus */
976         msleep(100);
977         saa7134_i2c_register(dev);
978         saa7134_board_init2(dev);
979
980         saa7134_hwinit2(dev);
981
982         /* load i2c helpers */
983         if (card_is_empress(dev)) {
984                 struct v4l2_subdev *sd =
985                         v4l2_i2c_new_subdev(&dev->i2c_adap,
986                                 "saa6752hs", "saa6752hs",
987                                 saa7134_boards[dev->board].empress_addr);
988
989                 if (sd)
990                         sd->grp_id = GRP_EMPRESS;
991         }
992
993         if (saa7134_boards[dev->board].rds_addr) {
994                 unsigned short addrs[2] = { 0, I2C_CLIENT_END };
995                 struct v4l2_subdev *sd;
996
997                 addrs[0] = saa7134_boards[dev->board].rds_addr;
998                 sd = v4l2_i2c_new_probed_subdev(&dev->i2c_adap, "saa6588",
999                             "saa6588", addrs);
1000                 if (sd)
1001                         printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
1002         }
1003
1004         request_submodules(dev);
1005
1006         v4l2_prio_init(&dev->prio);
1007
1008         mutex_lock(&saa7134_devlist_lock);
1009         list_for_each_entry(mops, &mops_list, next)
1010                 mpeg_ops_attach(mops, dev);
1011         list_add_tail(&dev->devlist, &saa7134_devlist);
1012         mutex_unlock(&saa7134_devlist_lock);
1013
1014         /* check for signal */
1015         saa7134_irq_video_signalchange(dev);
1016
1017         if (TUNER_ABSENT != dev->tuner_type)
1018                 saa_call_all(dev, core, s_standby, 0);
1019
1020         /* register v4l devices */
1021         if (saa7134_no_overlay > 0)
1022                 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1023
1024         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1025         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1026                                     video_nr[dev->nr]);
1027         if (err < 0) {
1028                 printk(KERN_INFO "%s: can't register video device\n",
1029                        dev->name);
1030                 goto fail4;
1031         }
1032         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
1033                dev->name, dev->video_dev->num);
1034
1035         dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1036
1037         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1038                                     vbi_nr[dev->nr]);
1039         if (err < 0)
1040                 goto fail4;
1041         printk(KERN_INFO "%s: registered device vbi%d\n",
1042                dev->name, dev->vbi_dev->num);
1043
1044         if (card_has_radio(dev)) {
1045                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1046                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1047                                             radio_nr[dev->nr]);
1048                 if (err < 0)
1049                         goto fail4;
1050                 printk(KERN_INFO "%s: registered device radio%d\n",
1051                        dev->name, dev->radio_dev->num);
1052         }
1053
1054         /* everything worked */
1055         saa7134_devcount++;
1056
1057         if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1058                 saa7134_dmasound_init(dev);
1059
1060         return 0;
1061
1062  fail4:
1063         saa7134_unregister_video(dev);
1064         saa7134_i2c_unregister(dev);
1065         free_irq(pci_dev->irq, dev);
1066  fail3:
1067         saa7134_hwfini(dev);
1068         iounmap(dev->lmmio);
1069  fail2:
1070         release_mem_region(pci_resource_start(pci_dev,0),
1071                            pci_resource_len(pci_dev,0));
1072  fail1:
1073         v4l2_device_unregister(&dev->v4l2_dev);
1074  fail0:
1075         kfree(dev);
1076         return err;
1077 }
1078
1079 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1080 {
1081         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1082         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1083         struct saa7134_mpeg_ops *mops;
1084
1085         /* Release DMA sound modules if present */
1086         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1087                 saa7134_dmasound_exit(dev);
1088         }
1089
1090         /* debugging ... */
1091         if (irq_debug) {
1092                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1093                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1094                 print_irqstatus(dev,42,report,status);
1095         }
1096
1097         /* disable peripheral devices */
1098         saa_writeb(SAA7134_SPECIAL_MODE,0);
1099
1100         /* shutdown hardware */
1101         saa_writel(SAA7134_IRQ1,0);
1102         saa_writel(SAA7134_IRQ2,0);
1103         saa_writel(SAA7134_MAIN_CTRL,0);
1104
1105         /* shutdown subsystems */
1106         saa7134_hwfini(dev);
1107
1108         /* unregister */
1109         mutex_lock(&saa7134_devlist_lock);
1110         list_del(&dev->devlist);
1111         list_for_each_entry(mops, &mops_list, next)
1112                 mpeg_ops_detach(mops, dev);
1113         mutex_unlock(&saa7134_devlist_lock);
1114         saa7134_devcount--;
1115
1116         saa7134_i2c_unregister(dev);
1117         saa7134_unregister_video(dev);
1118
1119
1120         /* the DMA sound modules should be unloaded before reaching
1121            this, but just in case they are still present... */
1122         if (dev->dmasound.priv_data != NULL) {
1123                 free_irq(pci_dev->irq, &dev->dmasound);
1124                 dev->dmasound.priv_data = NULL;
1125         }
1126
1127
1128         /* release resources */
1129         free_irq(pci_dev->irq, dev);
1130         iounmap(dev->lmmio);
1131         release_mem_region(pci_resource_start(pci_dev,0),
1132                            pci_resource_len(pci_dev,0));
1133
1134
1135         v4l2_device_unregister(&dev->v4l2_dev);
1136
1137         /* free memory */
1138         kfree(dev);
1139 }
1140
1141 #ifdef CONFIG_PM
1142
1143 /* resends a current buffer in queue after resume */
1144 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1145                                   struct saa7134_dmaqueue *q)
1146 {
1147         struct saa7134_buf *buf, *next;
1148
1149         assert_spin_locked(&dev->slock);
1150
1151         buf  = q->curr;
1152         next = buf;
1153         dprintk("buffer_requeue\n");
1154
1155         if (!buf)
1156                 return 0;
1157
1158         dprintk("buffer_requeue : resending active buffers \n");
1159
1160         if (!list_empty(&q->queue))
1161                 next = list_entry(q->queue.next, struct saa7134_buf,
1162                                           vb.queue);
1163         buf->activate(dev, buf, next);
1164
1165         return 0;
1166 }
1167
1168 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1169 {
1170         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1171         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1172
1173         /* disable overlay - apps should enable it explicitly on resume*/
1174         dev->ovenable = 0;
1175
1176         /* Disable interrupts, DMA, and rest of the chip*/
1177         saa_writel(SAA7134_IRQ1, 0);
1178         saa_writel(SAA7134_IRQ2, 0);
1179         saa_writel(SAA7134_MAIN_CTRL, 0);
1180
1181         dev->insuspend = 1;
1182         synchronize_irq(pci_dev->irq);
1183
1184         /* ACK interrupts once more, just in case,
1185                 since the IRQ handler won't ack them anymore*/
1186
1187         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1188
1189         /* Disable timeout timers - if we have active buffers, we will
1190            fill them on resume*/
1191
1192         del_timer(&dev->video_q.timeout);
1193         del_timer(&dev->vbi_q.timeout);
1194         del_timer(&dev->ts_q.timeout);
1195
1196         if (dev->remote)
1197                 saa7134_ir_stop(dev);
1198
1199         pci_save_state(pci_dev);
1200         pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1201
1202         return 0;
1203 }
1204
1205 static int saa7134_resume(struct pci_dev *pci_dev)
1206 {
1207         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1208         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1209         unsigned long flags;
1210
1211         pci_set_power_state(pci_dev, PCI_D0);
1212         pci_restore_state(pci_dev);
1213
1214         /* Do things that are done in saa7134_initdev ,
1215                 except of initializing memory structures.*/
1216
1217         saa7134_board_init1(dev);
1218
1219         /* saa7134_hwinit1 */
1220         if (saa7134_boards[dev->board].video_out)
1221                 saa7134_videoport_init(dev);
1222         if (card_has_mpeg(dev))
1223                 saa7134_ts_init_hw(dev);
1224         if (dev->remote)
1225                 saa7134_ir_start(dev, dev->remote);
1226         saa7134_hw_enable1(dev);
1227
1228         msleep(100);
1229
1230         saa7134_board_init2(dev);
1231
1232         /*saa7134_hwinit2*/
1233         saa7134_set_tvnorm_hw(dev);
1234         saa7134_tvaudio_setmute(dev);
1235         saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1236         saa7134_tvaudio_init(dev);
1237         saa7134_tvaudio_do_scan(dev);
1238         saa7134_enable_i2s(dev);
1239         saa7134_hw_enable2(dev);
1240
1241         saa7134_irq_video_signalchange(dev);
1242
1243         /*resume unfinished buffer(s)*/
1244         spin_lock_irqsave(&dev->slock, flags);
1245         saa7134_buffer_requeue(dev, &dev->video_q);
1246         saa7134_buffer_requeue(dev, &dev->vbi_q);
1247         saa7134_buffer_requeue(dev, &dev->ts_q);
1248
1249         /* FIXME: Disable DMA audio sound - temporary till proper support
1250                   is implemented*/
1251
1252         dev->dmasound.dma_running = 0;
1253
1254         /* start DMA now*/
1255         dev->insuspend = 0;
1256         smp_wmb();
1257         saa7134_set_dmabits(dev);
1258         spin_unlock_irqrestore(&dev->slock, flags);
1259
1260         return 0;
1261 }
1262 #endif
1263
1264 /* ----------------------------------------------------------- */
1265
1266 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1267 {
1268         struct saa7134_dev *dev;
1269
1270         mutex_lock(&saa7134_devlist_lock);
1271         list_for_each_entry(dev, &saa7134_devlist, devlist)
1272                 mpeg_ops_attach(ops, dev);
1273         list_add_tail(&ops->next,&mops_list);
1274         mutex_unlock(&saa7134_devlist_lock);
1275         return 0;
1276 }
1277
1278 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1279 {
1280         struct saa7134_dev *dev;
1281
1282         mutex_lock(&saa7134_devlist_lock);
1283         list_del(&ops->next);
1284         list_for_each_entry(dev, &saa7134_devlist, devlist)
1285                 mpeg_ops_detach(ops, dev);
1286         mutex_unlock(&saa7134_devlist_lock);
1287 }
1288
1289 EXPORT_SYMBOL(saa7134_ts_register);
1290 EXPORT_SYMBOL(saa7134_ts_unregister);
1291
1292 /* ----------------------------------------------------------- */
1293
1294 static struct pci_driver saa7134_pci_driver = {
1295         .name     = "saa7134",
1296         .id_table = saa7134_pci_tbl,
1297         .probe    = saa7134_initdev,
1298         .remove   = __devexit_p(saa7134_finidev),
1299 #ifdef CONFIG_PM
1300         .suspend  = saa7134_suspend,
1301         .resume   = saa7134_resume
1302 #endif
1303 };
1304
1305 static int saa7134_init(void)
1306 {
1307         INIT_LIST_HEAD(&saa7134_devlist);
1308         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1309                (SAA7134_VERSION_CODE >> 16) & 0xff,
1310                (SAA7134_VERSION_CODE >>  8) & 0xff,
1311                SAA7134_VERSION_CODE & 0xff);
1312 #ifdef SNAPSHOT
1313         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1314                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1315 #endif
1316         return pci_register_driver(&saa7134_pci_driver);
1317 }
1318
1319 static void saa7134_fini(void)
1320 {
1321         pci_unregister_driver(&saa7134_pci_driver);
1322 }
1323
1324 module_init(saa7134_init);
1325 module_exit(saa7134_fini);
1326
1327 /* ----------------------------------------------------------- */
1328
1329 EXPORT_SYMBOL(saa7134_set_gpio);
1330 EXPORT_SYMBOL(saa7134_boards);
1331
1332 /* ----------------- for the DMA sound modules --------------- */
1333
1334 EXPORT_SYMBOL(saa7134_dmasound_init);
1335 EXPORT_SYMBOL(saa7134_dmasound_exit);
1336 EXPORT_SYMBOL(saa7134_pgtable_free);
1337 EXPORT_SYMBOL(saa7134_pgtable_build);
1338 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1339 EXPORT_SYMBOL(saa7134_set_dmabits);
1340
1341 /* ----------------------------------------------------------- */
1342 /*
1343  * Local variables:
1344  * c-basic-offset: 8
1345  * End:
1346  */