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[media] saa7134: avoid complex macro warnings
[deliverable/linux.git] / drivers / media / pci / 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 "saa7134.h"
24 #include "saa7134-reg.h"
25
26 #include <linux/init.h>
27 #include <linux/list.h>
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/slab.h>
31 #include <linux/kmod.h>
32 #include <linux/sound.h>
33 #include <linux/interrupt.h>
34 #include <linux/delay.h>
35 #include <linux/mutex.h>
36 #include <linux/dma-mapping.h>
37 #include <linux/pm.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 MODULE_VERSION(SAA7134_VERSION);
43
44
45 /* ------------------------------------------------------------------ */
46
47 static unsigned int irq_debug;
48 module_param(irq_debug, int, 0644);
49 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
50
51 static unsigned int core_debug;
52 module_param(core_debug, int, 0644);
53 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
54
55 static unsigned int gpio_tracking;
56 module_param(gpio_tracking, int, 0644);
57 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
58
59 static unsigned int alsa = 1;
60 module_param(alsa, int, 0644);
61 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
62
63 static unsigned int latency = UNSET;
64 module_param(latency, int, 0444);
65 MODULE_PARM_DESC(latency,"pci latency timer");
66
67 int saa7134_no_overlay=-1;
68 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
69 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
70 " [some VIA/SIS chipsets are known to have problem with overlay]");
71
72 bool saa7134_userptr;
73 module_param(saa7134_userptr, bool, 0644);
74 MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support");
75
76 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
77 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
78 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
79 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
80 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
81
82
83 module_param_array(video_nr, int, NULL, 0444);
84 module_param_array(vbi_nr, int, NULL, 0444);
85 module_param_array(radio_nr, int, NULL, 0444);
86 module_param_array(tuner, int, NULL, 0444);
87 module_param_array(card, int, NULL, 0444);
88
89 MODULE_PARM_DESC(video_nr, "video device number");
90 MODULE_PARM_DESC(vbi_nr, "vbi device number");
91 MODULE_PARM_DESC(radio_nr, "radio device number");
92 MODULE_PARM_DESC(tuner, "tuner type");
93 MODULE_PARM_DESC(card, "card type");
94
95 DEFINE_MUTEX(saa7134_devlist_lock);
96 EXPORT_SYMBOL(saa7134_devlist_lock);
97 LIST_HEAD(saa7134_devlist);
98 EXPORT_SYMBOL(saa7134_devlist);
99 static LIST_HEAD(mops_list);
100 static unsigned int saa7134_devcount;
101
102 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
103 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
104
105 #define core_dbg(fmt, arg...) do { \
106 if (core_debug) \
107 printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \
108 } while (0)
109
110 #define irq_dbg(level, fmt, arg...) do {\
111 if (irq_debug > level) \
112 printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \
113 } while (0)
114
115 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
116 {
117 unsigned long mode,status;
118
119 if (!gpio_tracking)
120 return;
121 /* rising SAA7134_GPIO_GPRESCAN reads the status */
122 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
123 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
124 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
125 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
126 core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
127 dev->name, mode, (~mode) & status, mode & status, msg);
128 }
129
130 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
131 {
132 u32 index, bitval;
133
134 index = 1 << bit_no;
135 switch (value) {
136 case 0: /* static value */
137 case 1: core_dbg("setting GPIO%d to static %d\n", bit_no, value);
138 /* turn sync mode off if necessary */
139 if (index & 0x00c00000)
140 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
141 if (value)
142 bitval = index;
143 else
144 bitval = 0;
145 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
146 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
147 break;
148 case 3: /* tristate */
149 core_dbg("setting GPIO%d to tristate\n", bit_no);
150 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
151 break;
152 }
153 }
154
155 /* ------------------------------------------------------------------ */
156
157
158 /* ----------------------------------------------------------- */
159 /* delayed request_module */
160
161 #if defined(CONFIG_MODULES) && defined(MODULE)
162
163 static void request_module_async(struct work_struct *work){
164 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
165 if (card_is_empress(dev))
166 request_module("saa7134-empress");
167 if (card_is_dvb(dev))
168 request_module("saa7134-dvb");
169 if (card_is_go7007(dev))
170 request_module("saa7134-go7007");
171 if (alsa) {
172 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
173 request_module("saa7134-alsa");
174 }
175 }
176
177 static void request_submodules(struct saa7134_dev *dev)
178 {
179 INIT_WORK(&dev->request_module_wk, request_module_async);
180 schedule_work(&dev->request_module_wk);
181 }
182
183 static void flush_request_submodules(struct saa7134_dev *dev)
184 {
185 flush_work(&dev->request_module_wk);
186 }
187
188 #else
189 #define request_submodules(dev)
190 #define flush_request_submodules(dev)
191 #endif /* CONFIG_MODULES */
192
193 /* ------------------------------------------------------------------ */
194
195 /* nr of (saa7134-)pages for the given buffer size */
196 static int saa7134_buffer_pages(int size)
197 {
198 size = PAGE_ALIGN(size);
199 size += PAGE_SIZE; /* for non-page-aligned buffers */
200 size /= 4096;
201 return size;
202 }
203
204 /* calc max # of buffers from size (must not exceed the 4MB virtual
205 * address space per DMA channel) */
206 int saa7134_buffer_count(unsigned int size, unsigned int count)
207 {
208 unsigned int maxcount;
209
210 maxcount = 1024 / saa7134_buffer_pages(size);
211 if (count > maxcount)
212 count = maxcount;
213 return count;
214 }
215
216 int saa7134_buffer_startpage(struct saa7134_buf *buf)
217 {
218 return saa7134_buffer_pages(vb2_plane_size(&buf->vb2, 0)) * buf->vb2.v4l2_buf.index;
219 }
220
221 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
222 {
223 unsigned long base;
224 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
225
226 base = saa7134_buffer_startpage(buf) * 4096;
227 base += dma->sgl[0].offset;
228 return base;
229 }
230
231 /* ------------------------------------------------------------------ */
232
233 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
234 {
235 __le32 *cpu;
236 dma_addr_t dma_addr = 0;
237
238 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
239 if (NULL == cpu)
240 return -ENOMEM;
241 pt->size = SAA7134_PGTABLE_SIZE;
242 pt->cpu = cpu;
243 pt->dma = dma_addr;
244 return 0;
245 }
246
247 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
248 struct scatterlist *list, unsigned int length,
249 unsigned int startpage)
250 {
251 __le32 *ptr;
252 unsigned int i, p;
253
254 BUG_ON(NULL == pt || NULL == pt->cpu);
255
256 ptr = pt->cpu + startpage;
257 for (i = 0; i < length; i++, list = sg_next(list)) {
258 for (p = 0; p * 4096 < list->length; p++, ptr++)
259 *ptr = cpu_to_le32(sg_dma_address(list) +
260 list->offset + p * 4096);
261 }
262 return 0;
263 }
264
265 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
266 {
267 if (NULL == pt->cpu)
268 return;
269 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
270 pt->cpu = NULL;
271 }
272
273 /* ------------------------------------------------------------------ */
274
275 int saa7134_buffer_queue(struct saa7134_dev *dev,
276 struct saa7134_dmaqueue *q,
277 struct saa7134_buf *buf)
278 {
279 struct saa7134_buf *next = NULL;
280 unsigned long flags;
281
282 spin_lock_irqsave(&dev->slock, flags);
283 core_dbg("buffer_queue %p\n", buf);
284 if (NULL == q->curr) {
285 if (!q->need_two) {
286 q->curr = buf;
287 buf->activate(dev, buf, NULL);
288 } else if (list_empty(&q->queue)) {
289 list_add_tail(&buf->entry, &q->queue);
290 } else {
291 next = list_entry(q->queue.next, struct saa7134_buf,
292 entry);
293 q->curr = buf;
294 buf->activate(dev, buf, next);
295 }
296 } else {
297 list_add_tail(&buf->entry, &q->queue);
298 }
299 spin_unlock_irqrestore(&dev->slock, flags);
300 return 0;
301 }
302
303 void saa7134_buffer_finish(struct saa7134_dev *dev,
304 struct saa7134_dmaqueue *q,
305 unsigned int state)
306 {
307 core_dbg("buffer_finish %p\n", q->curr);
308
309 /* finish current buffer */
310 v4l2_get_timestamp(&q->curr->vb2.v4l2_buf.timestamp);
311 q->curr->vb2.v4l2_buf.sequence = q->seq_nr++;
312 vb2_buffer_done(&q->curr->vb2, state);
313 q->curr = NULL;
314 }
315
316 void saa7134_buffer_next(struct saa7134_dev *dev,
317 struct saa7134_dmaqueue *q)
318 {
319 struct saa7134_buf *buf,*next = NULL;
320
321 assert_spin_locked(&dev->slock);
322 BUG_ON(NULL != q->curr);
323
324 if (!list_empty(&q->queue)) {
325 /* activate next one from queue */
326 buf = list_entry(q->queue.next, struct saa7134_buf, entry);
327 core_dbg("buffer_next %p [prev=%p/next=%p]\n",
328 buf, q->queue.prev, q->queue.next);
329 list_del(&buf->entry);
330 if (!list_empty(&q->queue))
331 next = list_entry(q->queue.next, struct saa7134_buf, entry);
332 q->curr = buf;
333 buf->activate(dev, buf, next);
334 core_dbg("buffer_next #2 prev=%p/next=%p\n",
335 q->queue.prev, q->queue.next);
336 } else {
337 /* nothing to do -- just stop DMA */
338 core_dbg("buffer_next %p\n", NULL);
339 saa7134_set_dmabits(dev);
340 del_timer(&q->timeout);
341 }
342 }
343
344 void saa7134_buffer_timeout(unsigned long data)
345 {
346 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue *)data;
347 struct saa7134_dev *dev = q->dev;
348 unsigned long flags;
349
350 spin_lock_irqsave(&dev->slock, flags);
351
352 /* try to reset the hardware (SWRST) */
353 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
354 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
355 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
356
357 /* flag current buffer as failed,
358 try to start over with the next one. */
359 if (q->curr) {
360 core_dbg("timeout on %p\n", q->curr);
361 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR);
362 }
363 saa7134_buffer_next(dev, q);
364 spin_unlock_irqrestore(&dev->slock, flags);
365 }
366
367 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
368 {
369 unsigned long flags;
370 struct list_head *pos, *n;
371 struct saa7134_buf *tmp;
372
373 spin_lock_irqsave(&dev->slock, flags);
374 if (!list_empty(&q->queue)) {
375 list_for_each_safe(pos, n, &q->queue) {
376 tmp = list_entry(pos, struct saa7134_buf, entry);
377 vb2_buffer_done(&tmp->vb2, VB2_BUF_STATE_ERROR);
378 list_del(pos);
379 tmp = NULL;
380 }
381 }
382 spin_unlock_irqrestore(&dev->slock, flags);
383 saa7134_buffer_timeout((unsigned long)q); /* also calls del_timer(&q->timeout) */
384 }
385 EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
386
387 /* ------------------------------------------------------------------ */
388
389 int saa7134_set_dmabits(struct saa7134_dev *dev)
390 {
391 u32 split, task=0, ctrl=0, irq=0;
392 enum v4l2_field cap = V4L2_FIELD_ANY;
393 enum v4l2_field ov = V4L2_FIELD_ANY;
394
395 assert_spin_locked(&dev->slock);
396
397 if (dev->insuspend)
398 return 0;
399
400 /* video capture -- dma 0 + video task A */
401 if (dev->video_q.curr) {
402 task |= 0x01;
403 ctrl |= SAA7134_MAIN_CTRL_TE0;
404 irq |= SAA7134_IRQ1_INTE_RA0_1 |
405 SAA7134_IRQ1_INTE_RA0_0;
406 cap = dev->field;
407 }
408
409 /* video capture -- dma 1+2 (planar modes) */
410 if (dev->video_q.curr && dev->fmt->planar) {
411 ctrl |= SAA7134_MAIN_CTRL_TE4 |
412 SAA7134_MAIN_CTRL_TE5;
413 }
414
415 /* screen overlay -- dma 0 + video task B */
416 if (dev->ovenable) {
417 task |= 0x10;
418 ctrl |= SAA7134_MAIN_CTRL_TE1;
419 ov = dev->ovfield;
420 }
421
422 /* vbi capture -- dma 0 + vbi task A+B */
423 if (dev->vbi_q.curr) {
424 task |= 0x22;
425 ctrl |= SAA7134_MAIN_CTRL_TE2 |
426 SAA7134_MAIN_CTRL_TE3;
427 irq |= SAA7134_IRQ1_INTE_RA0_7 |
428 SAA7134_IRQ1_INTE_RA0_6 |
429 SAA7134_IRQ1_INTE_RA0_5 |
430 SAA7134_IRQ1_INTE_RA0_4;
431 }
432
433 /* audio capture -- dma 3 */
434 if (dev->dmasound.dma_running) {
435 ctrl |= SAA7134_MAIN_CTRL_TE6;
436 irq |= SAA7134_IRQ1_INTE_RA3_1 |
437 SAA7134_IRQ1_INTE_RA3_0;
438 }
439
440 /* TS capture -- dma 5 */
441 if (dev->ts_q.curr) {
442 ctrl |= SAA7134_MAIN_CTRL_TE5;
443 irq |= SAA7134_IRQ1_INTE_RA2_1 |
444 SAA7134_IRQ1_INTE_RA2_0;
445 }
446
447 /* set task conditions + field handling */
448 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
449 /* default config -- use full frames */
450 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
451 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
452 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
453 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
454 split = 0;
455 } else {
456 /* split fields between tasks */
457 if (V4L2_FIELD_TOP == cap) {
458 /* odd A, even B, repeat */
459 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
460 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
461 } else {
462 /* odd B, even A, repeat */
463 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
464 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
465 }
466 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
467 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
468 split = 1;
469 }
470
471 /* irqs */
472 saa_writeb(SAA7134_REGION_ENABLE, task);
473 saa_writel(SAA7134_IRQ1, irq);
474 saa_andorl(SAA7134_MAIN_CTRL,
475 SAA7134_MAIN_CTRL_TE0 |
476 SAA7134_MAIN_CTRL_TE1 |
477 SAA7134_MAIN_CTRL_TE2 |
478 SAA7134_MAIN_CTRL_TE3 |
479 SAA7134_MAIN_CTRL_TE4 |
480 SAA7134_MAIN_CTRL_TE5 |
481 SAA7134_MAIN_CTRL_TE6,
482 ctrl);
483 core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
484 task, ctrl, irq, split ? "no" : "yes");
485
486 return 0;
487 }
488
489 /* ------------------------------------------------------------------ */
490 /* IRQ handler + helpers */
491
492 static char *irqbits[] = {
493 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
494 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
495 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
496 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
497 };
498 #define IRQBITS ARRAY_SIZE(irqbits)
499
500 static void print_irqstatus(struct saa7134_dev *dev, int loop,
501 unsigned long report, unsigned long status)
502 {
503 unsigned int i;
504
505 irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx",
506 loop, jiffies, report,status);
507 for (i = 0; i < IRQBITS; i++) {
508 if (!(report & (1 << i)))
509 continue;
510 pr_cont(" %s",irqbits[i]);
511 }
512 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
513 pr_cont(" | RA0=%s,%s,%s,%ld",
514 (status & 0x40) ? "vbi" : "video",
515 (status & 0x20) ? "b" : "a",
516 (status & 0x10) ? "odd" : "even",
517 (status & 0x0f));
518 }
519 pr_cont("\n");
520 }
521
522 static irqreturn_t saa7134_irq(int irq, void *dev_id)
523 {
524 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
525 unsigned long report,status;
526 int loop, handled = 0;
527
528 if (dev->insuspend)
529 goto out;
530
531 for (loop = 0; loop < 10; loop++) {
532 report = saa_readl(SAA7134_IRQ_REPORT);
533 status = saa_readl(SAA7134_IRQ_STATUS);
534
535 /* If dmasound support is active and we get a sound report,
536 * mask out the report and let the saa7134-alsa module deal
537 * with it */
538 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
539 (dev->dmasound.priv_data != NULL) )
540 {
541 irq_dbg(2, "preserving DMA sound interrupt\n");
542 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
543 }
544
545 if (0 == report) {
546 irq_dbg(2,"no (more) work\n");
547 goto out;
548 }
549
550 handled = 1;
551 saa_writel(SAA7134_IRQ_REPORT,report);
552 if (irq_debug)
553 print_irqstatus(dev,loop,report,status);
554
555
556 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
557 (report & SAA7134_IRQ_REPORT_INTL))
558 saa7134_irq_video_signalchange(dev);
559
560
561 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
562 (status & 0x60) == 0)
563 saa7134_irq_video_done(dev,status);
564
565 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
566 (status & 0x40) == 0x40)
567 saa7134_irq_vbi_done(dev,status);
568
569 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
570 card_has_mpeg(dev)) {
571 if (dev->mops->irq_ts_done != NULL)
572 dev->mops->irq_ts_done(dev, status);
573 else
574 saa7134_irq_ts_done(dev, status);
575 }
576
577 if (report & SAA7134_IRQ_REPORT_GPIO16) {
578 switch (dev->has_remote) {
579 case SAA7134_REMOTE_GPIO:
580 if (!dev->remote)
581 break;
582 if (dev->remote->mask_keydown & 0x10000) {
583 saa7134_input_irq(dev);
584 }
585 break;
586
587 case SAA7134_REMOTE_I2C:
588 break; /* FIXME: invoke I2C get_key() */
589
590 default: /* GPIO16 not used by IR remote */
591 break;
592 }
593 }
594
595 if (report & SAA7134_IRQ_REPORT_GPIO18) {
596 switch (dev->has_remote) {
597 case SAA7134_REMOTE_GPIO:
598 if (!dev->remote)
599 break;
600 if ((dev->remote->mask_keydown & 0x40000) ||
601 (dev->remote->mask_keyup & 0x40000)) {
602 saa7134_input_irq(dev);
603 }
604 break;
605
606 case SAA7134_REMOTE_I2C:
607 break; /* FIXME: invoke I2C get_key() */
608
609 default: /* GPIO18 not used by IR remote */
610 break;
611 }
612 }
613 }
614
615 if (10 == loop) {
616 print_irqstatus(dev,loop,report,status);
617 if (report & SAA7134_IRQ_REPORT_PE) {
618 /* disable all parity error */
619 pr_warn("%s/irq: looping -- "
620 "clearing PE (parity error!) enable bit\n",dev->name);
621 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
622 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
623 /* disable gpio16 IRQ */
624 pr_warn("%s/irq: looping -- "
625 "clearing GPIO16 enable bit\n",dev->name);
626 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
627 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
628 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
629 /* disable gpio18 IRQs */
630 pr_warn("%s/irq: looping -- "
631 "clearing GPIO18 enable bit\n",dev->name);
632 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
633 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
634 } else {
635 /* disable all irqs */
636 pr_warn("%s/irq: looping -- "
637 "clearing all enable bits\n",dev->name);
638 saa_writel(SAA7134_IRQ1,0);
639 saa_writel(SAA7134_IRQ2,0);
640 }
641 }
642
643 out:
644 return IRQ_RETVAL(handled);
645 }
646
647 /* ------------------------------------------------------------------ */
648
649 /* early init (no i2c, no irq) */
650
651 static int saa7134_hw_enable1(struct saa7134_dev *dev)
652 {
653 /* RAM FIFO config */
654 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
655 saa_writel(SAA7134_THRESHOULD, 0x02020202);
656
657 /* enable audio + video processing */
658 saa_writel(SAA7134_MAIN_CTRL,
659 SAA7134_MAIN_CTRL_VPLLE |
660 SAA7134_MAIN_CTRL_APLLE |
661 SAA7134_MAIN_CTRL_EXOSC |
662 SAA7134_MAIN_CTRL_EVFE1 |
663 SAA7134_MAIN_CTRL_EVFE2 |
664 SAA7134_MAIN_CTRL_ESFE |
665 SAA7134_MAIN_CTRL_EBDAC);
666
667 /*
668 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
669 * OSS initialization writes to registers via the audio DSP; these
670 * writes will fail unless the audio clock has been started. At worst,
671 * audio will not work.
672 */
673
674 /* enable peripheral devices */
675 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
676
677 /* set vertical line numbering start (vbi needs this) */
678 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
679
680 return 0;
681 }
682
683 static int saa7134_hwinit1(struct saa7134_dev *dev)
684 {
685 core_dbg("hwinit1\n");
686
687 saa_writel(SAA7134_IRQ1, 0);
688 saa_writel(SAA7134_IRQ2, 0);
689
690 /* Clear any stale IRQ reports */
691 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
692
693 mutex_init(&dev->lock);
694 spin_lock_init(&dev->slock);
695
696 saa7134_track_gpio(dev,"pre-init");
697 saa7134_video_init1(dev);
698 saa7134_vbi_init1(dev);
699 if (card_has_mpeg(dev))
700 saa7134_ts_init1(dev);
701 saa7134_input_init1(dev);
702
703 saa7134_hw_enable1(dev);
704
705 return 0;
706 }
707
708 /* late init (with i2c + irq) */
709 static int saa7134_hw_enable2(struct saa7134_dev *dev)
710 {
711
712 unsigned int irq2_mask;
713
714 /* enable IRQ's */
715 irq2_mask =
716 SAA7134_IRQ2_INTE_DEC3 |
717 SAA7134_IRQ2_INTE_DEC2 |
718 SAA7134_IRQ2_INTE_DEC1 |
719 SAA7134_IRQ2_INTE_DEC0 |
720 SAA7134_IRQ2_INTE_PE |
721 SAA7134_IRQ2_INTE_AR;
722
723 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
724 if (dev->remote->mask_keydown & 0x10000)
725 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
726 else { /* Allow enabling both IRQ edge triggers */
727 if (dev->remote->mask_keydown & 0x40000)
728 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
729 if (dev->remote->mask_keyup & 0x40000)
730 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
731 }
732 }
733
734 if (dev->has_remote == SAA7134_REMOTE_I2C) {
735 request_module("ir-kbd-i2c");
736 }
737
738 saa_writel(SAA7134_IRQ1, 0);
739 saa_writel(SAA7134_IRQ2, irq2_mask);
740
741 return 0;
742 }
743
744 static int saa7134_hwinit2(struct saa7134_dev *dev)
745 {
746
747 core_dbg("hwinit2\n");
748
749 saa7134_video_init2(dev);
750 saa7134_tvaudio_init2(dev);
751
752 saa7134_hw_enable2(dev);
753
754 return 0;
755 }
756
757
758 /* shutdown */
759 static int saa7134_hwfini(struct saa7134_dev *dev)
760 {
761 core_dbg("hwfini\n");
762
763 if (card_has_mpeg(dev))
764 saa7134_ts_fini(dev);
765 saa7134_input_fini(dev);
766 saa7134_vbi_fini(dev);
767 saa7134_tvaudio_fini(dev);
768 saa7134_video_fini(dev);
769 return 0;
770 }
771
772 static void must_configure_manually(int has_eeprom)
773 {
774 unsigned int i,p;
775
776 if (!has_eeprom)
777 pr_warn("saa7134: <rant>\n"
778 "saa7134: Congratulations! Your TV card vendor saved a few\n"
779 "saa7134: cents for a eeprom, thus your pci board has no\n"
780 "saa7134: subsystem ID and I can't identify it automatically\n"
781 "saa7134: </rant>\n"
782 "saa7134: I feel better now. Ok, here are the good news:\n"
783 "saa7134: You can use the card=<nr> insmod option to specify\n"
784 "saa7134: which board do you have. The list:\n");
785 else
786 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
787 "saa7134: insmod option to specify which board do you have, but this is\n"
788 "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
789 "saa7134: for support at linux-media@vger.kernel.org.\n"
790 "saa7134: The supported cards are:\n");
791
792 for (i = 0; i < saa7134_bcount; i++) {
793 pr_warn("saa7134: card=%d -> %-40.40s",
794 i,saa7134_boards[i].name);
795 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
796 if (saa7134_pci_tbl[p].driver_data != i)
797 continue;
798 pr_cont(" %04x:%04x",
799 saa7134_pci_tbl[p].subvendor,
800 saa7134_pci_tbl[p].subdevice);
801 }
802 pr_cont("\n");
803 }
804 }
805
806 static struct video_device *vdev_init(struct saa7134_dev *dev,
807 struct video_device *template,
808 char *type)
809 {
810 struct video_device *vfd;
811
812 vfd = video_device_alloc();
813 if (NULL == vfd)
814 return NULL;
815 *vfd = *template;
816 vfd->v4l2_dev = &dev->v4l2_dev;
817 vfd->release = video_device_release;
818 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
819 dev->name, type, saa7134_boards[dev->board].name);
820 video_set_drvdata(vfd, dev);
821 return vfd;
822 }
823
824 static void saa7134_unregister_video(struct saa7134_dev *dev)
825 {
826 if (dev->video_dev) {
827 if (video_is_registered(dev->video_dev))
828 video_unregister_device(dev->video_dev);
829 else
830 video_device_release(dev->video_dev);
831 dev->video_dev = NULL;
832 }
833 if (dev->vbi_dev) {
834 if (video_is_registered(dev->vbi_dev))
835 video_unregister_device(dev->vbi_dev);
836 else
837 video_device_release(dev->vbi_dev);
838 dev->vbi_dev = NULL;
839 }
840 if (dev->radio_dev) {
841 if (video_is_registered(dev->radio_dev))
842 video_unregister_device(dev->radio_dev);
843 else
844 video_device_release(dev->radio_dev);
845 dev->radio_dev = NULL;
846 }
847 }
848
849 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
850 struct saa7134_dev *dev)
851 {
852 int err;
853
854 if (NULL != dev->mops)
855 return;
856 if (saa7134_boards[dev->board].mpeg != ops->type)
857 return;
858 err = ops->init(dev);
859 if (0 != err)
860 return;
861 dev->mops = ops;
862 }
863
864 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
865 struct saa7134_dev *dev)
866 {
867 if (NULL == dev->mops)
868 return;
869 if (dev->mops != ops)
870 return;
871 dev->mops->fini(dev);
872 dev->mops = NULL;
873 }
874
875 static int saa7134_initdev(struct pci_dev *pci_dev,
876 const struct pci_device_id *pci_id)
877 {
878 struct saa7134_dev *dev;
879 struct saa7134_mpeg_ops *mops;
880 int err;
881
882 if (saa7134_devcount == SAA7134_MAXBOARDS)
883 return -ENOMEM;
884
885 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
886 if (NULL == dev)
887 return -ENOMEM;
888
889 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
890 if (err)
891 goto fail0;
892
893 /* pci init */
894 dev->pci = pci_dev;
895 if (pci_enable_device(pci_dev)) {
896 err = -EIO;
897 goto fail1;
898 }
899
900 dev->nr = saa7134_devcount;
901 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
902
903 /* pci quirks */
904 if (pci_pci_problems) {
905 if (pci_pci_problems & PCIPCI_TRITON)
906 pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name);
907 if (pci_pci_problems & PCIPCI_NATOMA)
908 pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name);
909 if (pci_pci_problems & PCIPCI_VIAETBF)
910 pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name);
911 if (pci_pci_problems & PCIPCI_VSFX)
912 pr_info("%s: quirk: PCIPCI_VSFX\n",dev->name);
913 #ifdef PCIPCI_ALIMAGIK
914 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
915 pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
916 dev->name);
917 latency = 0x0A;
918 }
919 #endif
920 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
921 pr_info("%s: quirk: this driver and your "
922 "chipset may not work together"
923 " in overlay mode.\n",dev->name);
924 if (!saa7134_no_overlay) {
925 pr_info("%s: quirk: overlay "
926 "mode will be disabled.\n",
927 dev->name);
928 saa7134_no_overlay = 1;
929 } else {
930 pr_info("%s: quirk: overlay "
931 "mode will be forced. Use this"
932 " option at your own risk.\n",
933 dev->name);
934 }
935 }
936 }
937 if (UNSET != latency) {
938 pr_info("%s: setting pci latency timer to %d\n",
939 dev->name,latency);
940 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
941 }
942
943 /* print pci info */
944 dev->pci_rev = pci_dev->revision;
945 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
946 pr_info("%s: found at %s, rev: %d, irq: %d, "
947 "latency: %d, mmio: 0x%llx\n", dev->name,
948 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
949 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
950 pci_set_master(pci_dev);
951 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
952 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
953 err = -EIO;
954 goto fail1;
955 }
956
957 /* board config */
958 dev->board = pci_id->driver_data;
959 if ((unsigned)card[dev->nr] < saa7134_bcount)
960 dev->board = card[dev->nr];
961 if (SAA7134_BOARD_UNKNOWN == dev->board)
962 must_configure_manually(0);
963 else if (SAA7134_BOARD_NOAUTO == dev->board) {
964 must_configure_manually(1);
965 dev->board = SAA7134_BOARD_UNKNOWN;
966 }
967 dev->autodetected = card[dev->nr] != dev->board;
968 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
969 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
970 dev->radio_type = saa7134_boards[dev->board].radio_type;
971 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
972 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
973 if (UNSET != tuner[dev->nr])
974 dev->tuner_type = tuner[dev->nr];
975 pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
976 dev->name,pci_dev->subsystem_vendor,
977 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
978 dev->board, dev->autodetected ?
979 "autodetected" : "insmod option");
980
981 /* get mmio */
982 if (!request_mem_region(pci_resource_start(pci_dev,0),
983 pci_resource_len(pci_dev,0),
984 dev->name)) {
985 err = -EBUSY;
986 pr_err("%s: can't get MMIO memory @ 0x%llx\n",
987 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
988 goto fail1;
989 }
990 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
991 pci_resource_len(pci_dev, 0));
992 dev->bmmio = (__u8 __iomem *)dev->lmmio;
993 if (NULL == dev->lmmio) {
994 err = -EIO;
995 pr_err("%s: can't ioremap() MMIO memory\n",
996 dev->name);
997 goto fail2;
998 }
999
1000 /* initialize hardware #1 */
1001 saa7134_board_init1(dev);
1002 saa7134_hwinit1(dev);
1003
1004 dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
1005 if (IS_ERR(dev->alloc_ctx)) {
1006 err = PTR_ERR(dev->alloc_ctx);
1007 goto fail3;
1008 }
1009 /* get irq */
1010 err = request_irq(pci_dev->irq, saa7134_irq,
1011 IRQF_SHARED, dev->name, dev);
1012 if (err < 0) {
1013 pr_err("%s: can't get IRQ %d\n",
1014 dev->name,pci_dev->irq);
1015 goto fail4;
1016 }
1017
1018 /* wait a bit, register i2c bus */
1019 msleep(100);
1020 saa7134_i2c_register(dev);
1021 saa7134_board_init2(dev);
1022
1023 saa7134_hwinit2(dev);
1024
1025 /* load i2c helpers */
1026 if (card_is_empress(dev)) {
1027 dev->empress_sd =
1028 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
1029 "saa6752hs",
1030 saa7134_boards[dev->board].empress_addr, NULL);
1031
1032 if (dev->empress_sd)
1033 dev->empress_sd->grp_id = GRP_EMPRESS;
1034 }
1035
1036 if (saa7134_boards[dev->board].rds_addr) {
1037 struct v4l2_subdev *sd;
1038
1039 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1040 &dev->i2c_adap, "saa6588",
1041 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1042 if (sd) {
1043 pr_info("%s: found RDS decoder\n", dev->name);
1044 dev->has_rds = 1;
1045 }
1046 }
1047
1048 mutex_lock(&saa7134_devlist_lock);
1049 list_for_each_entry(mops, &mops_list, next)
1050 mpeg_ops_attach(mops, dev);
1051 list_add_tail(&dev->devlist, &saa7134_devlist);
1052 mutex_unlock(&saa7134_devlist_lock);
1053
1054 /* check for signal */
1055 saa7134_irq_video_signalchange(dev);
1056
1057 if (TUNER_ABSENT != dev->tuner_type)
1058 saa_call_all(dev, core, s_power, 0);
1059
1060 /* register v4l devices */
1061 if (saa7134_no_overlay > 0)
1062 pr_info("%s: Overlay support disabled.\n", dev->name);
1063
1064 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1065 dev->video_dev->ctrl_handler = &dev->ctrl_handler;
1066 dev->video_dev->lock = &dev->lock;
1067 dev->video_dev->queue = &dev->video_vbq;
1068 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1069 video_nr[dev->nr]);
1070 if (err < 0) {
1071 pr_info("%s: can't register video device\n",
1072 dev->name);
1073 goto fail5;
1074 }
1075 pr_info("%s: registered device %s [v4l2]\n",
1076 dev->name, video_device_node_name(dev->video_dev));
1077
1078 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1079 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
1080 dev->vbi_dev->lock = &dev->lock;
1081 dev->vbi_dev->queue = &dev->vbi_vbq;
1082
1083 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1084 vbi_nr[dev->nr]);
1085 if (err < 0)
1086 goto fail5;
1087 pr_info("%s: registered device %s\n",
1088 dev->name, video_device_node_name(dev->vbi_dev));
1089
1090 if (card_has_radio(dev)) {
1091 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1092 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
1093 dev->radio_dev->lock = &dev->lock;
1094 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1095 radio_nr[dev->nr]);
1096 if (err < 0)
1097 goto fail5;
1098 pr_info("%s: registered device %s\n",
1099 dev->name, video_device_node_name(dev->radio_dev));
1100 }
1101
1102 /* everything worked */
1103 saa7134_devcount++;
1104
1105 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1106 saa7134_dmasound_init(dev);
1107
1108 request_submodules(dev);
1109 return 0;
1110
1111 fail5:
1112 saa7134_unregister_video(dev);
1113 saa7134_i2c_unregister(dev);
1114 free_irq(pci_dev->irq, dev);
1115 fail4:
1116 vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1117 fail3:
1118 saa7134_hwfini(dev);
1119 iounmap(dev->lmmio);
1120 fail2:
1121 release_mem_region(pci_resource_start(pci_dev,0),
1122 pci_resource_len(pci_dev,0));
1123 fail1:
1124 v4l2_device_unregister(&dev->v4l2_dev);
1125 fail0:
1126 kfree(dev);
1127 return err;
1128 }
1129
1130 static void saa7134_finidev(struct pci_dev *pci_dev)
1131 {
1132 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1133 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1134 struct saa7134_mpeg_ops *mops;
1135
1136 flush_request_submodules(dev);
1137
1138 /* Release DMA sound modules if present */
1139 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1140 saa7134_dmasound_exit(dev);
1141 }
1142
1143 /* debugging ... */
1144 if (irq_debug) {
1145 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1146 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1147 print_irqstatus(dev,42,report,status);
1148 }
1149
1150 /* disable peripheral devices */
1151 saa_writeb(SAA7134_SPECIAL_MODE,0);
1152
1153 /* shutdown hardware */
1154 saa_writel(SAA7134_IRQ1,0);
1155 saa_writel(SAA7134_IRQ2,0);
1156 saa_writel(SAA7134_MAIN_CTRL,0);
1157
1158 /* shutdown subsystems */
1159 saa7134_hwfini(dev);
1160
1161 /* unregister */
1162 mutex_lock(&saa7134_devlist_lock);
1163 list_del(&dev->devlist);
1164 list_for_each_entry(mops, &mops_list, next)
1165 mpeg_ops_detach(mops, dev);
1166 mutex_unlock(&saa7134_devlist_lock);
1167 saa7134_devcount--;
1168
1169 saa7134_i2c_unregister(dev);
1170 saa7134_unregister_video(dev);
1171
1172
1173 /* the DMA sound modules should be unloaded before reaching
1174 this, but just in case they are still present... */
1175 if (dev->dmasound.priv_data != NULL) {
1176 free_irq(pci_dev->irq, &dev->dmasound);
1177 dev->dmasound.priv_data = NULL;
1178 }
1179
1180
1181 /* release resources */
1182 free_irq(pci_dev->irq, dev);
1183 vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1184 iounmap(dev->lmmio);
1185 release_mem_region(pci_resource_start(pci_dev,0),
1186 pci_resource_len(pci_dev,0));
1187
1188
1189 v4l2_device_unregister(&dev->v4l2_dev);
1190
1191 /* free memory */
1192 kfree(dev);
1193 }
1194
1195 #ifdef CONFIG_PM
1196
1197 /* resends a current buffer in queue after resume */
1198 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1199 struct saa7134_dmaqueue *q)
1200 {
1201 struct saa7134_buf *buf, *next;
1202
1203 assert_spin_locked(&dev->slock);
1204
1205 buf = q->curr;
1206 next = buf;
1207 core_dbg("buffer_requeue\n");
1208
1209 if (!buf)
1210 return 0;
1211
1212 core_dbg("buffer_requeue : resending active buffers \n");
1213
1214 if (!list_empty(&q->queue))
1215 next = list_entry(q->queue.next, struct saa7134_buf,
1216 entry);
1217 buf->activate(dev, buf, next);
1218
1219 return 0;
1220 }
1221
1222 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1223 {
1224 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1225 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1226
1227 /* disable overlay - apps should enable it explicitly on resume*/
1228 dev->ovenable = 0;
1229
1230 /* Disable interrupts, DMA, and rest of the chip*/
1231 saa_writel(SAA7134_IRQ1, 0);
1232 saa_writel(SAA7134_IRQ2, 0);
1233 saa_writel(SAA7134_MAIN_CTRL, 0);
1234
1235 dev->insuspend = 1;
1236 synchronize_irq(pci_dev->irq);
1237
1238 /* ACK interrupts once more, just in case,
1239 since the IRQ handler won't ack them anymore*/
1240
1241 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1242
1243 /* Disable timeout timers - if we have active buffers, we will
1244 fill them on resume*/
1245
1246 del_timer(&dev->video_q.timeout);
1247 del_timer(&dev->vbi_q.timeout);
1248 del_timer(&dev->ts_q.timeout);
1249
1250 if (dev->remote)
1251 saa7134_ir_stop(dev);
1252
1253 pci_save_state(pci_dev);
1254 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1255
1256 return 0;
1257 }
1258
1259 static int saa7134_resume(struct pci_dev *pci_dev)
1260 {
1261 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1262 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1263 unsigned long flags;
1264
1265 pci_set_power_state(pci_dev, PCI_D0);
1266 pci_restore_state(pci_dev);
1267
1268 /* Do things that are done in saa7134_initdev ,
1269 except of initializing memory structures.*/
1270
1271 saa7134_board_init1(dev);
1272
1273 /* saa7134_hwinit1 */
1274 if (saa7134_boards[dev->board].video_out)
1275 saa7134_videoport_init(dev);
1276 if (card_has_mpeg(dev))
1277 saa7134_ts_init_hw(dev);
1278 if (dev->remote)
1279 saa7134_ir_start(dev);
1280 saa7134_hw_enable1(dev);
1281
1282 msleep(100);
1283
1284 saa7134_board_init2(dev);
1285
1286 /*saa7134_hwinit2*/
1287 saa7134_set_tvnorm_hw(dev);
1288 saa7134_tvaudio_setmute(dev);
1289 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1290 saa7134_tvaudio_init(dev);
1291 saa7134_enable_i2s(dev);
1292 saa7134_hw_enable2(dev);
1293
1294 saa7134_irq_video_signalchange(dev);
1295
1296 /*resume unfinished buffer(s)*/
1297 spin_lock_irqsave(&dev->slock, flags);
1298 saa7134_buffer_requeue(dev, &dev->video_q);
1299 saa7134_buffer_requeue(dev, &dev->vbi_q);
1300 saa7134_buffer_requeue(dev, &dev->ts_q);
1301
1302 /* FIXME: Disable DMA audio sound - temporary till proper support
1303 is implemented*/
1304
1305 dev->dmasound.dma_running = 0;
1306
1307 /* start DMA now*/
1308 dev->insuspend = 0;
1309 smp_wmb();
1310 saa7134_set_dmabits(dev);
1311 spin_unlock_irqrestore(&dev->slock, flags);
1312
1313 return 0;
1314 }
1315 #endif
1316
1317 /* ----------------------------------------------------------- */
1318
1319 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1320 {
1321 struct saa7134_dev *dev;
1322
1323 mutex_lock(&saa7134_devlist_lock);
1324 list_for_each_entry(dev, &saa7134_devlist, devlist)
1325 mpeg_ops_attach(ops, dev);
1326 list_add_tail(&ops->next,&mops_list);
1327 mutex_unlock(&saa7134_devlist_lock);
1328 return 0;
1329 }
1330
1331 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1332 {
1333 struct saa7134_dev *dev;
1334
1335 mutex_lock(&saa7134_devlist_lock);
1336 list_del(&ops->next);
1337 list_for_each_entry(dev, &saa7134_devlist, devlist)
1338 mpeg_ops_detach(ops, dev);
1339 mutex_unlock(&saa7134_devlist_lock);
1340 }
1341
1342 EXPORT_SYMBOL(saa7134_ts_register);
1343 EXPORT_SYMBOL(saa7134_ts_unregister);
1344
1345 /* ----------------------------------------------------------- */
1346
1347 static struct pci_driver saa7134_pci_driver = {
1348 .name = "saa7134",
1349 .id_table = saa7134_pci_tbl,
1350 .probe = saa7134_initdev,
1351 .remove = saa7134_finidev,
1352 #ifdef CONFIG_PM
1353 .suspend = saa7134_suspend,
1354 .resume = saa7134_resume
1355 #endif
1356 };
1357
1358 static int __init saa7134_init(void)
1359 {
1360 INIT_LIST_HEAD(&saa7134_devlist);
1361 pr_info("saa7130/34: v4l2 driver version %s loaded\n",
1362 SAA7134_VERSION);
1363 return pci_register_driver(&saa7134_pci_driver);
1364 }
1365
1366 static void __exit saa7134_fini(void)
1367 {
1368 pci_unregister_driver(&saa7134_pci_driver);
1369 }
1370
1371 module_init(saa7134_init);
1372 module_exit(saa7134_fini);
1373
1374 /* ----------------------------------------------------------- */
1375
1376 EXPORT_SYMBOL(saa7134_set_gpio);
1377 EXPORT_SYMBOL(saa7134_boards);
1378
1379 /* ----------------- for the DMA sound modules --------------- */
1380
1381 EXPORT_SYMBOL(saa7134_dmasound_init);
1382 EXPORT_SYMBOL(saa7134_dmasound_exit);
1383 EXPORT_SYMBOL(saa7134_pgtable_free);
1384 EXPORT_SYMBOL(saa7134_pgtable_build);
1385 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1386 EXPORT_SYMBOL(saa7134_set_dmabits);
Linux kernel - Deliverables
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