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ASoC: es8316: Add jack-detect support
[linux/fpc-iii.git] / drivers / media / pci / saa7134 / saa7134-core.c
blob8984b1bf57a58f88604479fb5f813b7d21555545
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
19 #include "saa7134.h"
20 #include "saa7134-reg.h"
21
22 #include <linux/init.h>
23 #include <linux/list.h>
24 #include <linux/module.h>
25 #include <linux/kernel.h>
26 #include <linux/slab.h>
27 #include <linux/kmod.h>
28 #include <linux/sound.h>
29 #include <linux/interrupt.h>
30 #include <linux/delay.h>
31 #include <linux/mutex.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/pm.h>
34
35 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
36 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
37 MODULE_LICENSE("GPL");
38 MODULE_VERSION(SAA7134_VERSION);
39
40
41 /* ------------------------------------------------------------------ */
42
43 static unsigned int irq_debug;
44 module_param(irq_debug, int, 0644);
45 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
46
47 static unsigned int core_debug;
48 module_param(core_debug, int, 0644);
49 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
50
51 static unsigned int gpio_tracking;
52 module_param(gpio_tracking, int, 0644);
53 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
54
55 static unsigned int alsa = 1;
56 module_param(alsa, int, 0644);
57 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
58
59 static unsigned int latency = UNSET;
60 module_param(latency, int, 0444);
61 MODULE_PARM_DESC(latency,"pci latency timer");
62
63 int saa7134_no_overlay=-1;
64 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
65 MODULE_PARM_DESC(no_overlay, "allow override overlay default (0 disables, 1 enables) [some VIA/SIS chipsets are known to have problem with overlay]");
66
67 bool saa7134_userptr;
68 module_param(saa7134_userptr, bool, 0644);
69 MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support");
70
71 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
72 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
73 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
74 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
76
77
78 module_param_array(video_nr, int, NULL, 0444);
79 module_param_array(vbi_nr, int, NULL, 0444);
80 module_param_array(radio_nr, int, NULL, 0444);
81 module_param_array(tuner, int, NULL, 0444);
82 module_param_array(card, int, NULL, 0444);
83
84 MODULE_PARM_DESC(video_nr, "video device number");
85 MODULE_PARM_DESC(vbi_nr, "vbi device number");
86 MODULE_PARM_DESC(radio_nr, "radio device number");
87 MODULE_PARM_DESC(tuner, "tuner type");
88 MODULE_PARM_DESC(card, "card type");
89
90 DEFINE_MUTEX(saa7134_devlist_lock);
91 EXPORT_SYMBOL(saa7134_devlist_lock);
92 LIST_HEAD(saa7134_devlist);
93 EXPORT_SYMBOL(saa7134_devlist);
94 static LIST_HEAD(mops_list);
95 static unsigned int saa7134_devcount;
96
97 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
98 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
99
100 #define core_dbg(fmt, arg...) do { \
101 if (core_debug) \
102 printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \
103 } while (0)
104
105 #define irq_dbg(level, fmt, arg...) do {\
106 if (irq_debug > level) \
107 printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \
108 } while (0)
109
110 void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg)
111 {
112 unsigned long mode,status;
113
114 if (!gpio_tracking)
115 return;
116 /* rising SAA7134_GPIO_GPRESCAN reads the status */
117 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
118 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
119 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
120 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
121 core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
122 dev->name, mode, (~mode) & status, mode & status, msg);
123 }
124
125 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
126 {
127 u32 index, bitval;
128
129 index = 1 << bit_no;
130 switch (value) {
131 case 0: /* static value */
132 case 1:
133 core_dbg("setting GPIO%d to static %d\n", bit_no, value);
134 /* turn sync mode off if necessary */
135 if (index & 0x00c00000)
136 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
137 if (value)
138 bitval = index;
139 else
140 bitval = 0;
141 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
142 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
143 break;
144 case 3: /* tristate */
145 core_dbg("setting GPIO%d to tristate\n", bit_no);
146 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
147 break;
148 }
149 }
150
151 /* ------------------------------------------------------------------ */
152
153
154 /* ----------------------------------------------------------- */
155 /* delayed request_module */
156
157 #if defined(CONFIG_MODULES) && defined(MODULE)
158
159 static void request_module_async(struct work_struct *work){
160 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
161 if (card_is_empress(dev))
162 request_module("saa7134-empress");
163 if (card_is_dvb(dev))
164 request_module("saa7134-dvb");
165 if (card_is_go7007(dev))
166 request_module("saa7134-go7007");
167 if (alsa) {
168 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
169 request_module("saa7134-alsa");
170 }
171 }
172
173 static void request_submodules(struct saa7134_dev *dev)
174 {
175 INIT_WORK(&dev->request_module_wk, request_module_async);
176 schedule_work(&dev->request_module_wk);
177 }
178
179 static void flush_request_submodules(struct saa7134_dev *dev)
180 {
181 flush_work(&dev->request_module_wk);
182 }
183
184 #else
185 #define request_submodules(dev)
186 #define flush_request_submodules(dev)
187 #endif /* CONFIG_MODULES */
188
189 /* ------------------------------------------------------------------ */
190
191 /* nr of (saa7134-)pages for the given buffer size */
192 static int saa7134_buffer_pages(int size)
193 {
194 size = PAGE_ALIGN(size);
195 size += PAGE_SIZE; /* for non-page-aligned buffers */
196 size /= 4096;
197 return size;
198 }
199
200 /* calc max # of buffers from size (must not exceed the 4MB virtual
201 * address space per DMA channel) */
202 int saa7134_buffer_count(unsigned int size, unsigned int count)
203 {
204 unsigned int maxcount;
205
206 maxcount = 1024 / saa7134_buffer_pages(size);
207 if (count > maxcount)
208 count = maxcount;
209 return count;
210 }
211
212 int saa7134_buffer_startpage(struct saa7134_buf *buf)
213 {
214 return saa7134_buffer_pages(vb2_plane_size(&buf->vb2.vb2_buf, 0))
215 * buf->vb2.vb2_buf.index;
216 }
217
218 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
219 {
220 unsigned long base;
221 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0);
222
223 base = saa7134_buffer_startpage(buf) * 4096;
224 base += dma->sgl[0].offset;
225 return base;
226 }
227
228 /* ------------------------------------------------------------------ */
229
230 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
231 {
232 __le32 *cpu;
233 dma_addr_t dma_addr = 0;
234
235 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
236 if (NULL == cpu)
237 return -ENOMEM;
238 pt->size = SAA7134_PGTABLE_SIZE;
239 pt->cpu = cpu;
240 pt->dma = dma_addr;
241 return 0;
242 }
243
244 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
245 struct scatterlist *list, unsigned int length,
246 unsigned int startpage)
247 {
248 __le32 *ptr;
249 unsigned int i, p;
250
251 BUG_ON(NULL == pt || NULL == pt->cpu);
252
253 ptr = pt->cpu + startpage;
254 for (i = 0; i < length; i++, list = sg_next(list)) {
255 for (p = 0; p * 4096 < list->length; p++, ptr++)
256 *ptr = cpu_to_le32(sg_dma_address(list) +
257 list->offset + p * 4096);
258 }
259 return 0;
260 }
261
262 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
263 {
264 if (NULL == pt->cpu)
265 return;
266 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
267 pt->cpu = NULL;
268 }
269
270 /* ------------------------------------------------------------------ */
271
272 int saa7134_buffer_queue(struct saa7134_dev *dev,
273 struct saa7134_dmaqueue *q,
274 struct saa7134_buf *buf)
275 {
276 struct saa7134_buf *next = NULL;
277 unsigned long flags;
278
279 spin_lock_irqsave(&dev->slock, flags);
280 core_dbg("buffer_queue %p\n", buf);
281 if (NULL == q->curr) {
282 if (!q->need_two) {
283 q->curr = buf;
284 buf->activate(dev, buf, NULL);
285 } else if (list_empty(&q->queue)) {
286 list_add_tail(&buf->entry, &q->queue);
287 } else {
288 next = list_entry(q->queue.next, struct saa7134_buf,
289 entry);
290 q->curr = buf;
291 buf->activate(dev, buf, next);
292 }
293 } else {
294 list_add_tail(&buf->entry, &q->queue);
295 }
296 spin_unlock_irqrestore(&dev->slock, flags);
297 return 0;
298 }
299
300 void saa7134_buffer_finish(struct saa7134_dev *dev,
301 struct saa7134_dmaqueue *q,
302 unsigned int state)
303 {
304 core_dbg("buffer_finish %p\n", q->curr);
305
306 /* finish current buffer */
307 q->curr->vb2.vb2_buf.timestamp = ktime_get_ns();
308 q->curr->vb2.sequence = q->seq_nr++;
309 vb2_buffer_done(&q->curr->vb2.vb2_buf, state);
310 q->curr = NULL;
311 }
312
313 void saa7134_buffer_next(struct saa7134_dev *dev,
314 struct saa7134_dmaqueue *q)
315 {
316 struct saa7134_buf *buf,*next = NULL;
317
318 assert_spin_locked(&dev->slock);
319 BUG_ON(NULL != q->curr);
320
321 if (!list_empty(&q->queue)) {
322 /* activate next one from queue */
323 buf = list_entry(q->queue.next, struct saa7134_buf, entry);
324 core_dbg("buffer_next %p [prev=%p/next=%p]\n",
325 buf, q->queue.prev, q->queue.next);
326 list_del(&buf->entry);
327 if (!list_empty(&q->queue))
328 next = list_entry(q->queue.next, struct saa7134_buf, entry);
329 q->curr = buf;
330 buf->activate(dev, buf, next);
331 core_dbg("buffer_next #2 prev=%p/next=%p\n",
332 q->queue.prev, q->queue.next);
333 } else {
334 /* nothing to do -- just stop DMA */
335 core_dbg("buffer_next %p\n", NULL);
336 saa7134_set_dmabits(dev);
337 del_timer(&q->timeout);
338 }
339 }
340
341 void saa7134_buffer_timeout(struct timer_list *t)
342 {
343 struct saa7134_dmaqueue *q = from_timer(q, t, timeout);
344 struct saa7134_dev *dev = q->dev;
345 unsigned long flags;
346
347 spin_lock_irqsave(&dev->slock, flags);
348
349 /* try to reset the hardware (SWRST) */
350 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
351 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
352 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
353
354 /* flag current buffer as failed,
355 try to start over with the next one. */
356 if (q->curr) {
357 core_dbg("timeout on %p\n", q->curr);
358 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR);
359 }
360 saa7134_buffer_next(dev, q);
361 spin_unlock_irqrestore(&dev->slock, flags);
362 }
363
364 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
365 {
366 unsigned long flags;
367 struct list_head *pos, *n;
368 struct saa7134_buf *tmp;
369
370 spin_lock_irqsave(&dev->slock, flags);
371 if (!list_empty(&q->queue)) {
372 list_for_each_safe(pos, n, &q->queue) {
373 tmp = list_entry(pos, struct saa7134_buf, entry);
374 vb2_buffer_done(&tmp->vb2.vb2_buf,
375 VB2_BUF_STATE_ERROR);
376 list_del(pos);
377 tmp = NULL;
378 }
379 }
380 spin_unlock_irqrestore(&dev->slock, flags);
381 saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */
382 }
383 EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
384
385 /* ------------------------------------------------------------------ */
386
387 int saa7134_set_dmabits(struct saa7134_dev *dev)
388 {
389 u32 split, task=0, ctrl=0, irq=0;
390 enum v4l2_field cap = V4L2_FIELD_ANY;
391 enum v4l2_field ov = V4L2_FIELD_ANY;
392
393 assert_spin_locked(&dev->slock);
394
395 if (dev->insuspend)
396 return 0;
397
398 /* video capture -- dma 0 + video task A */
399 if (dev->video_q.curr) {
400 task |= 0x01;
401 ctrl |= SAA7134_MAIN_CTRL_TE0;
402 irq |= SAA7134_IRQ1_INTE_RA0_1 |
403 SAA7134_IRQ1_INTE_RA0_0;
404 cap = dev->field;
405 }
406
407 /* video capture -- dma 1+2 (planar modes) */
408 if (dev->video_q.curr && dev->fmt->planar) {
409 ctrl |= SAA7134_MAIN_CTRL_TE4 |
410 SAA7134_MAIN_CTRL_TE5;
411 }
412
413 /* screen overlay -- dma 0 + video task B */
414 if (dev->ovenable) {
415 task |= 0x10;
416 ctrl |= SAA7134_MAIN_CTRL_TE1;
417 ov = dev->ovfield;
418 }
419
420 /* vbi capture -- dma 0 + vbi task A+B */
421 if (dev->vbi_q.curr) {
422 task |= 0x22;
423 ctrl |= SAA7134_MAIN_CTRL_TE2 |
424 SAA7134_MAIN_CTRL_TE3;
425 irq |= SAA7134_IRQ1_INTE_RA0_7 |
426 SAA7134_IRQ1_INTE_RA0_6 |
427 SAA7134_IRQ1_INTE_RA0_5 |
428 SAA7134_IRQ1_INTE_RA0_4;
429 }
430
431 /* audio capture -- dma 3 */
432 if (dev->dmasound.dma_running) {
433 ctrl |= SAA7134_MAIN_CTRL_TE6;
434 irq |= SAA7134_IRQ1_INTE_RA3_1 |
435 SAA7134_IRQ1_INTE_RA3_0;
436 }
437
438 /* TS capture -- dma 5 */
439 if (dev->ts_q.curr) {
440 ctrl |= SAA7134_MAIN_CTRL_TE5;
441 irq |= SAA7134_IRQ1_INTE_RA2_1 |
442 SAA7134_IRQ1_INTE_RA2_0;
443 }
444
445 /* set task conditions + field handling */
446 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
447 /* default config -- use full frames */
448 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
449 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
450 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
451 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
452 split = 0;
453 } else {
454 /* split fields between tasks */
455 if (V4L2_FIELD_TOP == cap) {
456 /* odd A, even B, repeat */
457 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
458 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
459 } else {
460 /* odd B, even A, repeat */
461 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
462 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
463 }
464 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
465 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
466 split = 1;
467 }
468
469 /* irqs */
470 saa_writeb(SAA7134_REGION_ENABLE, task);
471 saa_writel(SAA7134_IRQ1, irq);
472 saa_andorl(SAA7134_MAIN_CTRL,
473 SAA7134_MAIN_CTRL_TE0 |
474 SAA7134_MAIN_CTRL_TE1 |
475 SAA7134_MAIN_CTRL_TE2 |
476 SAA7134_MAIN_CTRL_TE3 |
477 SAA7134_MAIN_CTRL_TE4 |
478 SAA7134_MAIN_CTRL_TE5 |
479 SAA7134_MAIN_CTRL_TE6,
480 ctrl);
481 core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
482 task, ctrl, irq, split ? "no" : "yes");
483
484 return 0;
485 }
486
487 /* ------------------------------------------------------------------ */
488 /* IRQ handler + helpers */
489
490 static char *irqbits[] = {
491 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
492 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
493 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
494 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
495 };
496 #define IRQBITS ARRAY_SIZE(irqbits)
497
498 static void print_irqstatus(struct saa7134_dev *dev, int loop,
499 unsigned long report, unsigned long status)
500 {
501 unsigned int i;
502
503 irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx",
504 loop, jiffies, report, status);
505 for (i = 0; i < IRQBITS; i++) {
506 if (!(report & (1 << i)))
507 continue;
508 pr_cont(" %s", irqbits[i]);
509 }
510 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
511 pr_cont(" | RA0=%s,%s,%s,%ld",
512 (status & 0x40) ? "vbi" : "video",
513 (status & 0x20) ? "b" : "a",
514 (status & 0x10) ? "odd" : "even",
515 (status & 0x0f));
516 }
517 pr_cont("\n");
518 }
519
520 static irqreturn_t saa7134_irq(int irq, void *dev_id)
521 {
522 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
523 unsigned long report,status;
524 int loop, handled = 0;
525
526 if (dev->insuspend)
527 goto out;
528
529 for (loop = 0; loop < 10; loop++) {
530 report = saa_readl(SAA7134_IRQ_REPORT);
531 status = saa_readl(SAA7134_IRQ_STATUS);
532
533 /* If dmasound support is active and we get a sound report,
534 * mask out the report and let the saa7134-alsa module deal
535 * with it */
536 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
537 (dev->dmasound.priv_data != NULL) )
538 {
539 irq_dbg(2, "preserving DMA sound interrupt\n");
540 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
541 }
542
543 if (0 == report) {
544 irq_dbg(2, "no (more) work\n");
545 goto out;
546 }
547
548 handled = 1;
549 saa_writel(SAA7134_IRQ_REPORT,report);
550 if (irq_debug)
551 print_irqstatus(dev,loop,report,status);
552
553
554 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
555 (report & SAA7134_IRQ_REPORT_INTL))
556 saa7134_irq_video_signalchange(dev);
557
558
559 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
560 (status & 0x60) == 0)
561 saa7134_irq_video_done(dev,status);
562
563 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
564 (status & 0x40) == 0x40)
565 saa7134_irq_vbi_done(dev,status);
566
567 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
568 card_has_mpeg(dev)) {
569 if (dev->mops->irq_ts_done != NULL)
570 dev->mops->irq_ts_done(dev, status);
571 else
572 saa7134_irq_ts_done(dev, status);
573 }
574
575 if (report & SAA7134_IRQ_REPORT_GPIO16) {
576 switch (dev->has_remote) {
577 case SAA7134_REMOTE_GPIO:
578 if (!dev->remote)
579 break;
580 if (dev->remote->mask_keydown & 0x10000) {
581 saa7134_input_irq(dev);
582 }
583 break;
584
585 case SAA7134_REMOTE_I2C:
586 break; /* FIXME: invoke I2C get_key() */
587
588 default: /* GPIO16 not used by IR remote */
589 break;
590 }
591 }
592
593 if (report & SAA7134_IRQ_REPORT_GPIO18) {
594 switch (dev->has_remote) {
595 case SAA7134_REMOTE_GPIO:
596 if (!dev->remote)
597 break;
598 if ((dev->remote->mask_keydown & 0x40000) ||
599 (dev->remote->mask_keyup & 0x40000)) {
600 saa7134_input_irq(dev);
601 }
602 break;
603
604 case SAA7134_REMOTE_I2C:
605 break; /* FIXME: invoke I2C get_key() */
606
607 default: /* GPIO18 not used by IR remote */
608 break;
609 }
610 }
611 }
612
613 if (10 == loop) {
614 print_irqstatus(dev,loop,report,status);
615 if (report & SAA7134_IRQ_REPORT_PE) {
616 /* disable all parity error */
617 pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n",
618 dev->name);
619 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
620 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
621 /* disable gpio16 IRQ */
622 pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n",
623 dev->name);
624 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
625 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
626 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
627 /* disable gpio18 IRQs */
628 pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n",
629 dev->name);
630 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
631 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
632 } else {
633 /* disable all irqs */
634 pr_warn("%s/irq: looping -- clearing all enable bits\n",
635 dev->name);
636 saa_writel(SAA7134_IRQ1,0);
637 saa_writel(SAA7134_IRQ2,0);
638 }
639 }
640
641 out:
642 return IRQ_RETVAL(handled);
643 }
644
645 /* ------------------------------------------------------------------ */
646
647 /* early init (no i2c, no irq) */
648
649 static int saa7134_hw_enable1(struct saa7134_dev *dev)
650 {
651 /* RAM FIFO config */
652 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
653 saa_writel(SAA7134_THRESHOULD, 0x02020202);
654
655 /* enable audio + video processing */
656 saa_writel(SAA7134_MAIN_CTRL,
657 SAA7134_MAIN_CTRL_VPLLE |
658 SAA7134_MAIN_CTRL_APLLE |
659 SAA7134_MAIN_CTRL_EXOSC |
660 SAA7134_MAIN_CTRL_EVFE1 |
661 SAA7134_MAIN_CTRL_EVFE2 |
662 SAA7134_MAIN_CTRL_ESFE |
663 SAA7134_MAIN_CTRL_EBDAC);
664
665 /*
666 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
667 * OSS initialization writes to registers via the audio DSP; these
668 * writes will fail unless the audio clock has been started. At worst,
669 * audio will not work.
670 */
671
672 /* enable peripheral devices */
673 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
674
675 /* set vertical line numbering start (vbi needs this) */
676 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
677
678 return 0;
679 }
680
681 static int saa7134_hwinit1(struct saa7134_dev *dev)
682 {
683 core_dbg("hwinit1\n");
684
685 saa_writel(SAA7134_IRQ1, 0);
686 saa_writel(SAA7134_IRQ2, 0);
687
688 /* Clear any stale IRQ reports */
689 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
690
691 mutex_init(&dev->lock);
692 spin_lock_init(&dev->slock);
693
694 saa7134_track_gpio(dev,"pre-init");
695 saa7134_video_init1(dev);
696 saa7134_vbi_init1(dev);
697 if (card_has_mpeg(dev))
698 saa7134_ts_init1(dev);
699 saa7134_input_init1(dev);
700
701 saa7134_hw_enable1(dev);
702
703 return 0;
704 }
705
706 /* late init (with i2c + irq) */
707 static int saa7134_hw_enable2(struct saa7134_dev *dev)
708 {
709
710 unsigned int irq2_mask;
711
712 /* enable IRQ's */
713 irq2_mask =
714 SAA7134_IRQ2_INTE_DEC3 |
715 SAA7134_IRQ2_INTE_DEC2 |
716 SAA7134_IRQ2_INTE_DEC1 |
717 SAA7134_IRQ2_INTE_DEC0 |
718 SAA7134_IRQ2_INTE_PE |
719 SAA7134_IRQ2_INTE_AR;
720
721 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
722 if (dev->remote->mask_keydown & 0x10000)
723 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
724 else { /* Allow enabling both IRQ edge triggers */
725 if (dev->remote->mask_keydown & 0x40000)
726 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
727 if (dev->remote->mask_keyup & 0x40000)
728 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
729 }
730 }
731
732 if (dev->has_remote == SAA7134_REMOTE_I2C) {
733 request_module("ir-kbd-i2c");
734 }
735
736 saa_writel(SAA7134_IRQ1, 0);
737 saa_writel(SAA7134_IRQ2, irq2_mask);
738
739 return 0;
740 }
741
742 static int saa7134_hwinit2(struct saa7134_dev *dev)
743 {
744
745 core_dbg("hwinit2\n");
746
747 saa7134_video_init2(dev);
748 saa7134_tvaudio_init2(dev);
749
750 saa7134_hw_enable2(dev);
751
752 return 0;
753 }
754
755
756 /* shutdown */
757 static int saa7134_hwfini(struct saa7134_dev *dev)
758 {
759 core_dbg("hwfini\n");
760
761 if (card_has_mpeg(dev))
762 saa7134_ts_fini(dev);
763 saa7134_input_fini(dev);
764 saa7134_vbi_fini(dev);
765 saa7134_tvaudio_fini(dev);
766 saa7134_video_fini(dev);
767 return 0;
768 }
769
770 static void must_configure_manually(int has_eeprom)
771 {
772 unsigned int i,p;
773
774 if (!has_eeprom)
775 pr_warn("saa7134: <rant>\n"
776 "saa7134: Congratulations! Your TV card vendor saved a few\n"
777 "saa7134: cents for a eeprom, thus your pci board has no\n"
778 "saa7134: subsystem ID and I can't identify it automatically\n"
779 "saa7134: </rant>\n"
780 "saa7134: I feel better now. Ok, here are the good news:\n"
781 "saa7134: You can use the card=<nr> insmod option to specify\n"
782 "saa7134: which board do you have. The list:\n");
783 else
784 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
785 "saa7134: insmod option to specify which board do you have, but this is\n"
786 "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
787 "saa7134: for support at linux-media@vger.kernel.org.\n"
788 "saa7134: The supported cards are:\n");
789
790 for (i = 0; i < saa7134_bcount; i++) {
791 pr_warn("saa7134: card=%d -> %-40.40s",
792 i,saa7134_boards[i].name);
793 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
794 if (saa7134_pci_tbl[p].driver_data != i)
795 continue;
796 pr_cont(" %04x:%04x",
797 saa7134_pci_tbl[p].subvendor,
798 saa7134_pci_tbl[p].subdevice);
799 }
800 pr_cont("\n");
801 }
802 }
803
804 static void saa7134_unregister_media_device(struct saa7134_dev *dev)
805 {
806
807 #ifdef CONFIG_MEDIA_CONTROLLER
808 if (!dev->media_dev)
809 return;
810 media_device_unregister(dev->media_dev);
811 media_device_cleanup(dev->media_dev);
812 kfree(dev->media_dev);
813 dev->media_dev = NULL;
814 #endif
815 }
816
817 static void saa7134_media_release(struct saa7134_dev *dev)
818 {
819 #ifdef CONFIG_MEDIA_CONTROLLER
820 int i;
821
822 for (i = 0; i < SAA7134_INPUT_MAX + 1; i++)
823 media_device_unregister_entity(&dev->input_ent[i]);
824 #endif
825 }
826
827 #if defined(CONFIG_MEDIA_CONTROLLER)
828 static void saa7134_create_entities(struct saa7134_dev *dev)
829 {
830 int ret, i;
831 struct media_entity *entity;
832 struct media_entity *decoder = NULL;
833
834 /* Check if it is using an external analog TV demod */
835 media_device_for_each_entity(entity, dev->media_dev) {
836 if (entity->function == MEDIA_ENT_F_ATV_DECODER) {
837 decoder = entity;
838 break;
839 }
840 }
841
842 /*
843 * saa713x is not using an external ATV demod.
844 * Register the internal one
845 */
846 if (!decoder) {
847 dev->demod.name = "saa713x";
848 dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
849 dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
850 dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
851 dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
852 dev->demod.function = MEDIA_ENT_F_ATV_DECODER;
853
854 ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS,
855 dev->demod_pad);
856 if (ret < 0)
857 pr_err("failed to initialize demod pad!\n");
858
859 ret = media_device_register_entity(dev->media_dev, &dev->demod);
860 if (ret < 0)
861 pr_err("failed to register demod entity!\n");
862
863 dev->decoder = &dev->demod;
864 } else {
865 dev->decoder = decoder;
866 }
867
868 /* Initialize Video, VBI and Radio pads */
869 dev->video_pad.flags = MEDIA_PAD_FL_SINK;
870 ret = media_entity_pads_init(&dev->video_dev->entity, 1,
871 &dev->video_pad);
872 if (ret < 0)
873 pr_err("failed to initialize video media entity!\n");
874
875 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
876 ret = media_entity_pads_init(&dev->vbi_dev->entity, 1,
877 &dev->vbi_pad);
878 if (ret < 0)
879 pr_err("failed to initialize vbi media entity!\n");
880
881 /* Create entities for each input connector */
882 for (i = 0; i < SAA7134_INPUT_MAX; i++) {
883 struct media_entity *ent = &dev->input_ent[i];
884 struct saa7134_input *in = &card_in(dev, i);
885
886 if (in->type == SAA7134_NO_INPUT)
887 break;
888
889 /* This input uses the S-Video connector */
890 if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO)
891 continue;
892
893 ent->name = saa7134_input_name[in->type];
894 ent->flags = MEDIA_ENT_FL_CONNECTOR;
895 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
896
897 switch (in->type) {
898 case SAA7134_INPUT_COMPOSITE:
899 case SAA7134_INPUT_COMPOSITE0:
900 case SAA7134_INPUT_COMPOSITE1:
901 case SAA7134_INPUT_COMPOSITE2:
902 case SAA7134_INPUT_COMPOSITE3:
903 case SAA7134_INPUT_COMPOSITE4:
904 ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
905 break;
906 case SAA7134_INPUT_SVIDEO:
907 case SAA7134_INPUT_SVIDEO0:
908 case SAA7134_INPUT_SVIDEO1:
909 ent->function = MEDIA_ENT_F_CONN_SVIDEO;
910 break;
911 default:
912 /*
913 * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO.
914 *
915 * Please notice that neither SAA7134_INPUT_MUTE or
916 * SAA7134_INPUT_RADIO are defined at
917 * saa7134_board.input.
918 */
919 ent->function = MEDIA_ENT_F_CONN_RF;
920 break;
921 }
922
923 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
924 if (ret < 0)
925 pr_err("failed to initialize input pad[%d]!\n", i);
926
927 ret = media_device_register_entity(dev->media_dev, ent);
928 if (ret < 0)
929 pr_err("failed to register input entity %d!\n", i);
930 }
931
932 /* Create input for Radio RF connector */
933 if (card_has_radio(dev)) {
934 struct saa7134_input *in = &saa7134_boards[dev->board].radio;
935 struct media_entity *ent = &dev->input_ent[i];
936
937 ent->name = saa7134_input_name[in->type];
938 ent->flags = MEDIA_ENT_FL_CONNECTOR;
939 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
940 ent->function = MEDIA_ENT_F_CONN_RF;
941
942 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
943 if (ret < 0)
944 pr_err("failed to initialize input pad[%d]!\n", i);
945
946 ret = media_device_register_entity(dev->media_dev, ent);
947 if (ret < 0)
948 pr_err("failed to register input entity %d!\n", i);
949 }
950 }
951 #endif
952
953 static struct video_device *vdev_init(struct saa7134_dev *dev,
954 struct video_device *template,
955 char *type)
956 {
957 struct video_device *vfd;
958
959 vfd = video_device_alloc();
960 if (NULL == vfd)
961 return NULL;
962 *vfd = *template;
963 vfd->v4l2_dev = &dev->v4l2_dev;
964 vfd->release = video_device_release;
965 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
966 dev->name, type, saa7134_boards[dev->board].name);
967 video_set_drvdata(vfd, dev);
968 return vfd;
969 }
970
971 static void saa7134_unregister_video(struct saa7134_dev *dev)
972 {
973 saa7134_media_release(dev);
974
975 if (dev->video_dev) {
976 if (video_is_registered(dev->video_dev))
977 video_unregister_device(dev->video_dev);
978 else
979 video_device_release(dev->video_dev);
980 dev->video_dev = NULL;
981 }
982 if (dev->vbi_dev) {
983 if (video_is_registered(dev->vbi_dev))
984 video_unregister_device(dev->vbi_dev);
985 else
986 video_device_release(dev->vbi_dev);
987 dev->vbi_dev = NULL;
988 }
989 if (dev->radio_dev) {
990 if (video_is_registered(dev->radio_dev))
991 video_unregister_device(dev->radio_dev);
992 else
993 video_device_release(dev->radio_dev);
994 dev->radio_dev = NULL;
995 }
996 }
997
998 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
999 struct saa7134_dev *dev)
1000 {
1001 int err;
1002
1003 if (NULL != dev->mops)
1004 return;
1005 if (saa7134_boards[dev->board].mpeg != ops->type)
1006 return;
1007 err = ops->init(dev);
1008 if (0 != err)
1009 return;
1010 dev->mops = ops;
1011 }
1012
1013 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
1014 struct saa7134_dev *dev)
1015 {
1016 if (NULL == dev->mops)
1017 return;
1018 if (dev->mops != ops)
1019 return;
1020 dev->mops->fini(dev);
1021 dev->mops = NULL;
1022 }
1023
1024 static int saa7134_initdev(struct pci_dev *pci_dev,
1025 const struct pci_device_id *pci_id)
1026 {
1027 struct saa7134_dev *dev;
1028 struct saa7134_mpeg_ops *mops;
1029 int err;
1030
1031 if (saa7134_devcount == SAA7134_MAXBOARDS)
1032 return -ENOMEM;
1033
1034 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1035 if (NULL == dev)
1036 return -ENOMEM;
1037
1038 dev->nr = saa7134_devcount;
1039 sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr);
1040
1041 #ifdef CONFIG_MEDIA_CONTROLLER
1042 dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL);
1043 if (!dev->media_dev) {
1044 err = -ENOMEM;
1045 goto fail0;
1046 }
1047 media_device_pci_init(dev->media_dev, pci_dev, dev->name);
1048 dev->v4l2_dev.mdev = dev->media_dev;
1049 #endif
1050
1051 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
1052 if (err)
1053 goto fail0;
1054
1055 /* pci init */
1056 dev->pci = pci_dev;
1057 if (pci_enable_device(pci_dev)) {
1058 err = -EIO;
1059 goto fail1;
1060 }
1061
1062 /* pci quirks */
1063 if (pci_pci_problems) {
1064 if (pci_pci_problems & PCIPCI_TRITON)
1065 pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name);
1066 if (pci_pci_problems & PCIPCI_NATOMA)
1067 pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name);
1068 if (pci_pci_problems & PCIPCI_VIAETBF)
1069 pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name);
1070 if (pci_pci_problems & PCIPCI_VSFX)
1071 pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name);
1072 #ifdef PCIPCI_ALIMAGIK
1073 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
1074 pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
1075 dev->name);
1076 latency = 0x0A;
1077 }
1078 #endif
1079 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
1080 pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n",
1081 dev->name);
1082 if (!saa7134_no_overlay) {
1083 pr_info("%s: quirk: overlay mode will be disabled.\n",
1084 dev->name);
1085 saa7134_no_overlay = 1;
1086 } else {
1087 pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n",
1088 dev->name);
1089 }
1090 }
1091 }
1092 if (UNSET != latency) {
1093 pr_info("%s: setting pci latency timer to %d\n",
1094 dev->name,latency);
1095 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
1096 }
1097
1098 /* print pci info */
1099 dev->pci_rev = pci_dev->revision;
1100 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1101 pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1102 dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1103 dev->pci_lat,
1104 (unsigned long long)pci_resource_start(pci_dev, 0));
1105 pci_set_master(pci_dev);
1106 err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
1107 if (err) {
1108 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
1109 goto fail1;
1110 }
1111
1112 /* board config */
1113 dev->board = pci_id->driver_data;
1114 if ((unsigned)card[dev->nr] < saa7134_bcount)
1115 dev->board = card[dev->nr];
1116 if (SAA7134_BOARD_UNKNOWN == dev->board)
1117 must_configure_manually(0);
1118 else if (SAA7134_BOARD_NOAUTO == dev->board) {
1119 must_configure_manually(1);
1120 dev->board = SAA7134_BOARD_UNKNOWN;
1121 }
1122 dev->autodetected = card[dev->nr] != dev->board;
1123 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
1124 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
1125 dev->radio_type = saa7134_boards[dev->board].radio_type;
1126 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1127 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
1128 if (UNSET != tuner[dev->nr])
1129 dev->tuner_type = tuner[dev->nr];
1130 pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
1131 dev->name,pci_dev->subsystem_vendor,
1132 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
1133 dev->board, dev->autodetected ?
1134 "autodetected" : "insmod option");
1135
1136 /* get mmio */
1137 if (!request_mem_region(pci_resource_start(pci_dev,0),
1138 pci_resource_len(pci_dev,0),
1139 dev->name)) {
1140 err = -EBUSY;
1141 pr_err("%s: can't get MMIO memory @ 0x%llx\n",
1142 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1143 goto fail1;
1144 }
1145 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
1146 pci_resource_len(pci_dev, 0));
1147 dev->bmmio = (__u8 __iomem *)dev->lmmio;
1148 if (NULL == dev->lmmio) {
1149 err = -EIO;
1150 pr_err("%s: can't ioremap() MMIO memory\n",
1151 dev->name);
1152 goto fail2;
1153 }
1154
1155 /* initialize hardware #1 */
1156 saa7134_board_init1(dev);
1157 saa7134_hwinit1(dev);
1158
1159 /* get irq */
1160 err = request_irq(pci_dev->irq, saa7134_irq,
1161 IRQF_SHARED, dev->name, dev);
1162 if (err < 0) {
1163 pr_err("%s: can't get IRQ %d\n",
1164 dev->name,pci_dev->irq);
1165 goto fail3;
1166 }
1167
1168 /* wait a bit, register i2c bus */
1169 msleep(100);
1170 saa7134_i2c_register(dev);
1171 saa7134_board_init2(dev);
1172
1173 saa7134_hwinit2(dev);
1174
1175 /* load i2c helpers */
1176 if (card_is_empress(dev)) {
1177 dev->empress_sd =
1178 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
1179 "saa6752hs",
1180 saa7134_boards[dev->board].empress_addr, NULL);
1181
1182 if (dev->empress_sd)
1183 dev->empress_sd->grp_id = GRP_EMPRESS;
1184 }
1185
1186 if (saa7134_boards[dev->board].rds_addr) {
1187 struct v4l2_subdev *sd;
1188
1189 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1190 &dev->i2c_adap, "saa6588",
1191 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1192 if (sd) {
1193 pr_info("%s: found RDS decoder\n", dev->name);
1194 dev->has_rds = 1;
1195 }
1196 }
1197
1198 mutex_lock(&saa7134_devlist_lock);
1199 list_for_each_entry(mops, &mops_list, next)
1200 mpeg_ops_attach(mops, dev);
1201 list_add_tail(&dev->devlist, &saa7134_devlist);
1202 mutex_unlock(&saa7134_devlist_lock);
1203
1204 /* check for signal */
1205 saa7134_irq_video_signalchange(dev);
1206
1207 if (TUNER_ABSENT != dev->tuner_type)
1208 saa_call_all(dev, core, s_power, 0);
1209
1210 /* register v4l devices */
1211 if (saa7134_no_overlay > 0)
1212 pr_info("%s: Overlay support disabled.\n", dev->name);
1213
1214 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1215 dev->video_dev->ctrl_handler = &dev->ctrl_handler;
1216 dev->video_dev->lock = &dev->lock;
1217 dev->video_dev->queue = &dev->video_vbq;
1218 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1219 video_nr[dev->nr]);
1220 if (err < 0) {
1221 pr_info("%s: can't register video device\n",
1222 dev->name);
1223 goto fail4;
1224 }
1225 pr_info("%s: registered device %s [v4l2]\n",
1226 dev->name, video_device_node_name(dev->video_dev));
1227
1228 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1229 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
1230 dev->vbi_dev->lock = &dev->lock;
1231 dev->vbi_dev->queue = &dev->vbi_vbq;
1232
1233 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1234 vbi_nr[dev->nr]);
1235 if (err < 0)
1236 goto fail4;
1237 pr_info("%s: registered device %s\n",
1238 dev->name, video_device_node_name(dev->vbi_dev));
1239
1240 if (card_has_radio(dev)) {
1241 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1242 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
1243 dev->radio_dev->lock = &dev->lock;
1244 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1245 radio_nr[dev->nr]);
1246 if (err < 0)
1247 goto fail4;
1248 pr_info("%s: registered device %s\n",
1249 dev->name, video_device_node_name(dev->radio_dev));
1250 }
1251
1252 #ifdef CONFIG_MEDIA_CONTROLLER
1253 saa7134_create_entities(dev);
1254
1255 err = v4l2_mc_create_media_graph(dev->media_dev);
1256 if (err) {
1257 pr_err("failed to create media graph\n");
1258 goto fail4;
1259 }
1260 #endif
1261 /* everything worked */
1262 saa7134_devcount++;
1263
1264 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1265 saa7134_dmasound_init(dev);
1266
1267 request_submodules(dev);
1268
1269 /*
1270 * Do it at the end, to reduce dynamic configuration changes during
1271 * the device init. Yet, as request_modules() can be async, the
1272 * topology will likely change after load the saa7134 subdrivers.
1273 */
1274 #ifdef CONFIG_MEDIA_CONTROLLER
1275 err = media_device_register(dev->media_dev);
1276 if (err)
1277 goto fail4;
1278 #endif
1279
1280 return 0;
1281
1282 fail4:
1283 saa7134_unregister_video(dev);
1284 saa7134_i2c_unregister(dev);
1285 free_irq(pci_dev->irq, dev);
1286 fail3:
1287 saa7134_hwfini(dev);
1288 iounmap(dev->lmmio);
1289 fail2:
1290 release_mem_region(pci_resource_start(pci_dev,0),
1291 pci_resource_len(pci_dev,0));
1292 fail1:
1293 v4l2_device_unregister(&dev->v4l2_dev);
1294 fail0:
1295 #ifdef CONFIG_MEDIA_CONTROLLER
1296 kfree(dev->media_dev);
1297 #endif
1298 kfree(dev);
1299 return err;
1300 }
1301
1302 static void saa7134_finidev(struct pci_dev *pci_dev)
1303 {
1304 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1305 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1306 struct saa7134_mpeg_ops *mops;
1307
1308 flush_request_submodules(dev);
1309
1310 /* Release DMA sound modules if present */
1311 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1312 saa7134_dmasound_exit(dev);
1313 }
1314
1315 /* debugging ... */
1316 if (irq_debug) {
1317 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1318 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1319 print_irqstatus(dev,42,report,status);
1320 }
1321
1322 /* disable peripheral devices */
1323 saa_writeb(SAA7134_SPECIAL_MODE,0);
1324
1325 /* shutdown hardware */
1326 saa_writel(SAA7134_IRQ1,0);
1327 saa_writel(SAA7134_IRQ2,0);
1328 saa_writel(SAA7134_MAIN_CTRL,0);
1329
1330 /* shutdown subsystems */
1331 saa7134_hwfini(dev);
1332
1333 /* unregister */
1334 mutex_lock(&saa7134_devlist_lock);
1335 list_del(&dev->devlist);
1336 list_for_each_entry(mops, &mops_list, next)
1337 mpeg_ops_detach(mops, dev);
1338 mutex_unlock(&saa7134_devlist_lock);
1339 saa7134_devcount--;
1340
1341 saa7134_i2c_unregister(dev);
1342 saa7134_unregister_video(dev);
1343
1344
1345 /* the DMA sound modules should be unloaded before reaching
1346 this, but just in case they are still present... */
1347 if (dev->dmasound.priv_data != NULL) {
1348 free_irq(pci_dev->irq, &dev->dmasound);
1349 dev->dmasound.priv_data = NULL;
1350 }
1351
1352
1353 /* release resources */
1354 free_irq(pci_dev->irq, dev);
1355 iounmap(dev->lmmio);
1356 release_mem_region(pci_resource_start(pci_dev,0),
1357 pci_resource_len(pci_dev,0));
1358
1359 v4l2_device_unregister(&dev->v4l2_dev);
1360
1361 saa7134_unregister_media_device(dev);
1362
1363 /* free memory */
1364 kfree(dev);
1365 }
1366
1367 #ifdef CONFIG_PM
1368
1369 /* resends a current buffer in queue after resume */
1370 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1371 struct saa7134_dmaqueue *q)
1372 {
1373 struct saa7134_buf *buf, *next;
1374
1375 assert_spin_locked(&dev->slock);
1376
1377 buf = q->curr;
1378 next = buf;
1379 core_dbg("buffer_requeue\n");
1380
1381 if (!buf)
1382 return 0;
1383
1384 core_dbg("buffer_requeue : resending active buffer\n");
1385
1386 if (!list_empty(&q->queue))
1387 next = list_entry(q->queue.next, struct saa7134_buf,
1388 entry);
1389 buf->activate(dev, buf, next);
1390
1391 return 0;
1392 }
1393
1394 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1395 {
1396 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1397 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1398
1399 /* disable overlay - apps should enable it explicitly on resume*/
1400 dev->ovenable = 0;
1401
1402 /* Disable interrupts, DMA, and rest of the chip*/
1403 saa_writel(SAA7134_IRQ1, 0);
1404 saa_writel(SAA7134_IRQ2, 0);
1405 saa_writel(SAA7134_MAIN_CTRL, 0);
1406
1407 dev->insuspend = 1;
1408 synchronize_irq(pci_dev->irq);
1409
1410 /* ACK interrupts once more, just in case,
1411 since the IRQ handler won't ack them anymore*/
1412
1413 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1414
1415 /* Disable timeout timers - if we have active buffers, we will
1416 fill them on resume*/
1417
1418 del_timer(&dev->video_q.timeout);
1419 del_timer(&dev->vbi_q.timeout);
1420 del_timer(&dev->ts_q.timeout);
1421
1422 if (dev->remote)
1423 saa7134_ir_stop(dev);
1424
1425 pci_save_state(pci_dev);
1426 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1427
1428 return 0;
1429 }
1430
1431 static int saa7134_resume(struct pci_dev *pci_dev)
1432 {
1433 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1434 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1435 unsigned long flags;
1436
1437 pci_set_power_state(pci_dev, PCI_D0);
1438 pci_restore_state(pci_dev);
1439
1440 /* Do things that are done in saa7134_initdev ,
1441 except of initializing memory structures.*/
1442
1443 saa7134_board_init1(dev);
1444
1445 /* saa7134_hwinit1 */
1446 if (saa7134_boards[dev->board].video_out)
1447 saa7134_videoport_init(dev);
1448 if (card_has_mpeg(dev))
1449 saa7134_ts_init_hw(dev);
1450 if (dev->remote)
1451 saa7134_ir_start(dev);
1452 saa7134_hw_enable1(dev);
1453
1454 msleep(100);
1455
1456 saa7134_board_init2(dev);
1457
1458 /*saa7134_hwinit2*/
1459 saa7134_set_tvnorm_hw(dev);
1460 saa7134_tvaudio_setmute(dev);
1461 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1462 saa7134_tvaudio_init(dev);
1463 saa7134_enable_i2s(dev);
1464 saa7134_hw_enable2(dev);
1465
1466 saa7134_irq_video_signalchange(dev);
1467
1468 /*resume unfinished buffer(s)*/
1469 spin_lock_irqsave(&dev->slock, flags);
1470 saa7134_buffer_requeue(dev, &dev->video_q);
1471 saa7134_buffer_requeue(dev, &dev->vbi_q);
1472 saa7134_buffer_requeue(dev, &dev->ts_q);
1473
1474 /* FIXME: Disable DMA audio sound - temporary till proper support
1475 is implemented*/
1476
1477 dev->dmasound.dma_running = 0;
1478
1479 /* start DMA now*/
1480 dev->insuspend = 0;
1481 smp_wmb();
1482 saa7134_set_dmabits(dev);
1483 spin_unlock_irqrestore(&dev->slock, flags);
1484
1485 return 0;
1486 }
1487 #endif
1488
1489 /* ----------------------------------------------------------- */
1490
1491 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1492 {
1493 struct saa7134_dev *dev;
1494
1495 mutex_lock(&saa7134_devlist_lock);
1496 list_for_each_entry(dev, &saa7134_devlist, devlist)
1497 mpeg_ops_attach(ops, dev);
1498 list_add_tail(&ops->next,&mops_list);
1499 mutex_unlock(&saa7134_devlist_lock);
1500 return 0;
1501 }
1502
1503 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1504 {
1505 struct saa7134_dev *dev;
1506
1507 mutex_lock(&saa7134_devlist_lock);
1508 list_del(&ops->next);
1509 list_for_each_entry(dev, &saa7134_devlist, devlist)
1510 mpeg_ops_detach(ops, dev);
1511 mutex_unlock(&saa7134_devlist_lock);
1512 }
1513
1514 EXPORT_SYMBOL(saa7134_ts_register);
1515 EXPORT_SYMBOL(saa7134_ts_unregister);
1516
1517 /* ----------------------------------------------------------- */
1518
1519 static struct pci_driver saa7134_pci_driver = {
1520 .name = "saa7134",
1521 .id_table = saa7134_pci_tbl,
1522 .probe = saa7134_initdev,
1523 .remove = saa7134_finidev,
1524 #ifdef CONFIG_PM
1525 .suspend = saa7134_suspend,
1526 .resume = saa7134_resume
1527 #endif
1528 };
1529
1530 static int __init saa7134_init(void)
1531 {
1532 INIT_LIST_HEAD(&saa7134_devlist);
1533 pr_info("saa7130/34: v4l2 driver version %s loaded\n",
1534 SAA7134_VERSION);
1535 return pci_register_driver(&saa7134_pci_driver);
1536 }
1537
1538 static void __exit saa7134_fini(void)
1539 {
1540 pci_unregister_driver(&saa7134_pci_driver);
1541 }
1542
1543 module_init(saa7134_init);
1544 module_exit(saa7134_fini);
1545
1546 /* ----------------------------------------------------------- */
1547
1548 EXPORT_SYMBOL(saa7134_set_gpio);
1549 EXPORT_SYMBOL(saa7134_boards);
1550
1551 /* ----------------- for the DMA sound modules --------------- */
1552
1553 EXPORT_SYMBOL(saa7134_dmasound_init);
1554 EXPORT_SYMBOL(saa7134_dmasound_exit);
1555 EXPORT_SYMBOL(saa7134_pgtable_free);
1556 EXPORT_SYMBOL(saa7134_pgtable_build);
1557 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1558 EXPORT_SYMBOL(saa7134_set_dmabits);
Linux with added FPC-III support