projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)
[deliverable/linux.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;
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_BIT_MASK(32))) {
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->v4l2_dev, &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 struct v4l2_subdev *sd;
995
996 sd = v4l2_i2c_new_probed_subdev_addr(&dev->v4l2_dev,
997 &dev->i2c_adap, "saa6588", "saa6588",
998 saa7134_boards[dev->board].rds_addr);
999 if (sd)
1000 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
1001 }
1002
1003 request_submodules(dev);
1004
1005 v4l2_prio_init(&dev->prio);
1006
1007 mutex_lock(&saa7134_devlist_lock);
1008 list_for_each_entry(mops, &mops_list, next)
1009 mpeg_ops_attach(mops, dev);
1010 list_add_tail(&dev->devlist, &saa7134_devlist);
1011 mutex_unlock(&saa7134_devlist_lock);
1012
1013 /* check for signal */
1014 saa7134_irq_video_signalchange(dev);
1015
1016 if (TUNER_ABSENT != dev->tuner_type)
1017 saa_call_all(dev, tuner, s_standby);
1018
1019 /* register v4l devices */
1020 if (saa7134_no_overlay > 0)
1021 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1022
1023 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1024 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1025 video_nr[dev->nr]);
1026 if (err < 0) {
1027 printk(KERN_INFO "%s: can't register video device\n",
1028 dev->name);
1029 goto fail4;
1030 }
1031 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
1032 dev->name, dev->video_dev->num);
1033
1034 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1035
1036 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1037 vbi_nr[dev->nr]);
1038 if (err < 0)
1039 goto fail4;
1040 printk(KERN_INFO "%s: registered device vbi%d\n",
1041 dev->name, dev->vbi_dev->num);
1042
1043 if (card_has_radio(dev)) {
1044 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1045 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1046 radio_nr[dev->nr]);
1047 if (err < 0)
1048 goto fail4;
1049 printk(KERN_INFO "%s: registered device radio%d\n",
1050 dev->name, dev->radio_dev->num);
1051 }
1052
1053 /* everything worked */
1054 saa7134_devcount++;
1055
1056 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1057 saa7134_dmasound_init(dev);
1058
1059 return 0;
1060
1061 fail4:
1062 saa7134_unregister_video(dev);
1063 saa7134_i2c_unregister(dev);
1064 free_irq(pci_dev->irq, dev);
1065 fail3:
1066 saa7134_hwfini(dev);
1067 iounmap(dev->lmmio);
1068 fail2:
1069 release_mem_region(pci_resource_start(pci_dev,0),
1070 pci_resource_len(pci_dev,0));
1071 fail1:
1072 v4l2_device_unregister(&dev->v4l2_dev);
1073 fail0:
1074 kfree(dev);
1075 return err;
1076 }
1077
1078 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1079 {
1080 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1081 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1082 struct saa7134_mpeg_ops *mops;
1083
1084 /* Release DMA sound modules if present */
1085 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1086 saa7134_dmasound_exit(dev);
1087 }
1088
1089 /* debugging ... */
1090 if (irq_debug) {
1091 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1092 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1093 print_irqstatus(dev,42,report,status);
1094 }
1095
1096 /* disable peripheral devices */
1097 saa_writeb(SAA7134_SPECIAL_MODE,0);
1098
1099 /* shutdown hardware */
1100 saa_writel(SAA7134_IRQ1,0);
1101 saa_writel(SAA7134_IRQ2,0);
1102 saa_writel(SAA7134_MAIN_CTRL,0);
1103
1104 /* shutdown subsystems */
1105 saa7134_hwfini(dev);
1106
1107 /* unregister */
1108 mutex_lock(&saa7134_devlist_lock);
1109 list_del(&dev->devlist);
1110 list_for_each_entry(mops, &mops_list, next)
1111 mpeg_ops_detach(mops, dev);
1112 mutex_unlock(&saa7134_devlist_lock);
1113 saa7134_devcount--;
1114
1115 saa7134_i2c_unregister(dev);
1116 saa7134_unregister_video(dev);
1117
1118
1119 /* the DMA sound modules should be unloaded before reaching
1120 this, but just in case they are still present... */
1121 if (dev->dmasound.priv_data != NULL) {
1122 free_irq(pci_dev->irq, &dev->dmasound);
1123 dev->dmasound.priv_data = NULL;
1124 }
1125
1126
1127 /* release resources */
1128 free_irq(pci_dev->irq, dev);
1129 iounmap(dev->lmmio);
1130 release_mem_region(pci_resource_start(pci_dev,0),
1131 pci_resource_len(pci_dev,0));
1132
1133
1134 v4l2_device_unregister(&dev->v4l2_dev);
1135
1136 /* free memory */
1137 kfree(dev);
1138 }
1139
1140 #ifdef CONFIG_PM
1141
1142 /* resends a current buffer in queue after resume */
1143 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1144 struct saa7134_dmaqueue *q)
1145 {
1146 struct saa7134_buf *buf, *next;
1147
1148 assert_spin_locked(&dev->slock);
1149
1150 buf = q->curr;
1151 next = buf;
1152 dprintk("buffer_requeue\n");
1153
1154 if (!buf)
1155 return 0;
1156
1157 dprintk("buffer_requeue : resending active buffers \n");
1158
1159 if (!list_empty(&q->queue))
1160 next = list_entry(q->queue.next, struct saa7134_buf,
1161 vb.queue);
1162 buf->activate(dev, buf, next);
1163
1164 return 0;
1165 }
1166
1167 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1168 {
1169 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1170 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1171
1172 /* disable overlay - apps should enable it explicitly on resume*/
1173 dev->ovenable = 0;
1174
1175 /* Disable interrupts, DMA, and rest of the chip*/
1176 saa_writel(SAA7134_IRQ1, 0);
1177 saa_writel(SAA7134_IRQ2, 0);
1178 saa_writel(SAA7134_MAIN_CTRL, 0);
1179
1180 dev->insuspend = 1;
1181 synchronize_irq(pci_dev->irq);
1182
1183 /* ACK interrupts once more, just in case,
1184 since the IRQ handler won't ack them anymore*/
1185
1186 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1187
1188 /* Disable timeout timers - if we have active buffers, we will
1189 fill them on resume*/
1190
1191 del_timer(&dev->video_q.timeout);
1192 del_timer(&dev->vbi_q.timeout);
1193 del_timer(&dev->ts_q.timeout);
1194
1195 if (dev->remote)
1196 saa7134_ir_stop(dev);
1197
1198 pci_save_state(pci_dev);
1199 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1200
1201 return 0;
1202 }
1203
1204 static int saa7134_resume(struct pci_dev *pci_dev)
1205 {
1206 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1207 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1208 unsigned long flags;
1209
1210 pci_set_power_state(pci_dev, PCI_D0);
1211 pci_restore_state(pci_dev);
1212
1213 /* Do things that are done in saa7134_initdev ,
1214 except of initializing memory structures.*/
1215
1216 saa7134_board_init1(dev);
1217
1218 /* saa7134_hwinit1 */
1219 if (saa7134_boards[dev->board].video_out)
1220 saa7134_videoport_init(dev);
1221 if (card_has_mpeg(dev))
1222 saa7134_ts_init_hw(dev);
1223 if (dev->remote)
1224 saa7134_ir_start(dev, dev->remote);
1225 saa7134_hw_enable1(dev);
1226
1227 msleep(100);
1228
1229 saa7134_board_init2(dev);
1230
1231 /*saa7134_hwinit2*/
1232 saa7134_set_tvnorm_hw(dev);
1233 saa7134_tvaudio_setmute(dev);
1234 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1235 saa7134_tvaudio_init(dev);
1236 saa7134_tvaudio_do_scan(dev);
1237 saa7134_enable_i2s(dev);
1238 saa7134_hw_enable2(dev);
1239
1240 saa7134_irq_video_signalchange(dev);
1241
1242 /*resume unfinished buffer(s)*/
1243 spin_lock_irqsave(&dev->slock, flags);
1244 saa7134_buffer_requeue(dev, &dev->video_q);
1245 saa7134_buffer_requeue(dev, &dev->vbi_q);
1246 saa7134_buffer_requeue(dev, &dev->ts_q);
1247
1248 /* FIXME: Disable DMA audio sound - temporary till proper support
1249 is implemented*/
1250
1251 dev->dmasound.dma_running = 0;
1252
1253 /* start DMA now*/
1254 dev->insuspend = 0;
1255 smp_wmb();
1256 saa7134_set_dmabits(dev);
1257 spin_unlock_irqrestore(&dev->slock, flags);
1258
1259 return 0;
1260 }
1261 #endif
1262
1263 /* ----------------------------------------------------------- */
1264
1265 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1266 {
1267 struct saa7134_dev *dev;
1268
1269 mutex_lock(&saa7134_devlist_lock);
1270 list_for_each_entry(dev, &saa7134_devlist, devlist)
1271 mpeg_ops_attach(ops, dev);
1272 list_add_tail(&ops->next,&mops_list);
1273 mutex_unlock(&saa7134_devlist_lock);
1274 return 0;
1275 }
1276
1277 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1278 {
1279 struct saa7134_dev *dev;
1280
1281 mutex_lock(&saa7134_devlist_lock);
1282 list_del(&ops->next);
1283 list_for_each_entry(dev, &saa7134_devlist, devlist)
1284 mpeg_ops_detach(ops, dev);
1285 mutex_unlock(&saa7134_devlist_lock);
1286 }
1287
1288 EXPORT_SYMBOL(saa7134_ts_register);
1289 EXPORT_SYMBOL(saa7134_ts_unregister);
1290
1291 /* ----------------------------------------------------------- */
1292
1293 static struct pci_driver saa7134_pci_driver = {
1294 .name = "saa7134",
1295 .id_table = saa7134_pci_tbl,
1296 .probe = saa7134_initdev,
1297 .remove = __devexit_p(saa7134_finidev),
1298 #ifdef CONFIG_PM
1299 .suspend = saa7134_suspend,
1300 .resume = saa7134_resume
1301 #endif
1302 };
1303
1304 static int saa7134_init(void)
1305 {
1306 INIT_LIST_HEAD(&saa7134_devlist);
1307 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1308 (SAA7134_VERSION_CODE >> 16) & 0xff,
1309 (SAA7134_VERSION_CODE >> 8) & 0xff,
1310 SAA7134_VERSION_CODE & 0xff);
1311 #ifdef SNAPSHOT
1312 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1313 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1314 #endif
1315 return pci_register_driver(&saa7134_pci_driver);
1316 }
1317
1318 static void saa7134_fini(void)
1319 {
1320 pci_unregister_driver(&saa7134_pci_driver);
1321 }
1322
1323 module_init(saa7134_init);
1324 module_exit(saa7134_fini);
1325
1326 /* ----------------------------------------------------------- */
1327
1328 EXPORT_SYMBOL(saa7134_set_gpio);
1329 EXPORT_SYMBOL(saa7134_boards);
1330
1331 /* ----------------- for the DMA sound modules --------------- */
1332
1333 EXPORT_SYMBOL(saa7134_dmasound_init);
1334 EXPORT_SYMBOL(saa7134_dmasound_exit);
1335 EXPORT_SYMBOL(saa7134_pgtable_free);
1336 EXPORT_SYMBOL(saa7134_pgtable_build);
1337 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1338 EXPORT_SYMBOL(saa7134_set_dmabits);
1339
1340 /* ----------------------------------------------------------- */
1341 /*
1342 * Local variables:
1343 * c-basic-offset: 8
1344 * End:
1345 */
Linux kernel - Deliverables
This page took 0.084774 seconds and 5 git commands to generate.