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;
58 module_param(alsa, int, 0644);
59 MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
60
61 static unsigned int oss;
62 module_param(oss, int, 0644);
63 MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
64
65 static unsigned int latency = UNSET;
66 module_param(latency, int, 0444);
67 MODULE_PARM_DESC(latency,"pci latency timer");
68
69 int saa7134_no_overlay=-1;
70 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
71 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
72 " [some VIA/SIS chipsets are known to have problem with overlay]");
73
74 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
76 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
77 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
78 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
79
80
81 module_param_array(video_nr, int, NULL, 0444);
82 module_param_array(vbi_nr, int, NULL, 0444);
83 module_param_array(radio_nr, int, NULL, 0444);
84 module_param_array(tuner, int, NULL, 0444);
85 module_param_array(card, int, NULL, 0444);
86
87 MODULE_PARM_DESC(video_nr, "video device number");
88 MODULE_PARM_DESC(vbi_nr, "vbi device number");
89 MODULE_PARM_DESC(radio_nr, "radio device number");
90 MODULE_PARM_DESC(tuner, "tuner type");
91 MODULE_PARM_DESC(card, "card type");
92
93 static DEFINE_MUTEX(devlist_lock);
94 LIST_HEAD(saa7134_devlist);
95 static LIST_HEAD(mops_list);
96 static unsigned int saa7134_devcount;
97
98 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
99 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
100
101 #define dprintk(fmt, arg...) if (core_debug) \
102 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
103
saa7134_track_gpio(struct saa7134_dev * dev,char * msg)104 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
105 {
106 unsigned long mode,status;
107
108 if (!gpio_tracking)
109 return;
110 /* rising SAA7134_GPIO_GPRESCAN reads the status */
111 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
112 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
113 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
114 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
115 printk(KERN_DEBUG
116 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
117 dev->name, mode, (~mode) & status, mode & status, msg);
118 }
119
saa7134_set_gpio(struct saa7134_dev * dev,int bit_no,int value)120 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
121 {
122 u32 index, bitval;
123
124 index = 1 << bit_no;
125 switch (value) {
126 case 0: /* static value */
127 case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
128 /* turn sync mode off if necessary */
129 if (index & 0x00c00000)
130 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
131 if (value)
132 bitval = index;
133 else
134 bitval = 0;
135 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
136 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
137 break;
138 case 3: /* tristate */
139 dprintk("setting GPIO%d to tristate\n", bit_no);
140 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
141 break;
142 }
143 }
144
145 /* ------------------------------------------------------------------ */
146
147
148 /* ----------------------------------------------------------- */
149 /* delayed request_module */
150
151 #if defined(CONFIG_MODULES) && defined(MODULE)
152
request_module_async(struct work_struct * work)153 static void request_module_async(struct work_struct *work){
154 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
155 if (card_is_empress(dev))
156 request_module("saa7134-empress");
157 if (card_is_dvb(dev))
158 request_module("saa7134-dvb");
159 if (alsa)
160 request_module("saa7134-alsa");
161 if (oss)
162 request_module("saa7134-oss");
163 }
164
request_submodules(struct saa7134_dev * dev)165 static void request_submodules(struct saa7134_dev *dev)
166 {
167 INIT_WORK(&dev->request_module_wk, request_module_async);
168 schedule_work(&dev->request_module_wk);
169 }
170
171 #else
172 #define request_submodules(dev)
173 #endif /* CONFIG_MODULES */
174
175 /* ------------------------------------------------------------------ */
176
177 /* nr of (saa7134-)pages for the given buffer size */
saa7134_buffer_pages(int size)178 static int saa7134_buffer_pages(int size)
179 {
180 size = PAGE_ALIGN(size);
181 size += PAGE_SIZE; /* for non-page-aligned buffers */
182 size /= 4096;
183 return size;
184 }
185
186 /* calc max # of buffers from size (must not exceed the 4MB virtual
187 * address space per DMA channel) */
saa7134_buffer_count(unsigned int size,unsigned int count)188 int saa7134_buffer_count(unsigned int size, unsigned int count)
189 {
190 unsigned int maxcount;
191
192 maxcount = 1024 / saa7134_buffer_pages(size);
193 if (count > maxcount)
194 count = maxcount;
195 return count;
196 }
197
saa7134_buffer_startpage(struct saa7134_buf * buf)198 int saa7134_buffer_startpage(struct saa7134_buf *buf)
199 {
200 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
201 }
202
saa7134_buffer_base(struct saa7134_buf * buf)203 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
204 {
205 unsigned long base;
206 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
207
208 base = saa7134_buffer_startpage(buf) * 4096;
209 base += dma->sglist[0].offset;
210 return base;
211 }
212
213 /* ------------------------------------------------------------------ */
214
saa7134_pgtable_alloc(struct pci_dev * pci,struct saa7134_pgtable * pt)215 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
216 {
217 __le32 *cpu;
218 dma_addr_t dma_addr = 0;
219
220 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
221 if (NULL == cpu)
222 return -ENOMEM;
223 pt->size = SAA7134_PGTABLE_SIZE;
224 pt->cpu = cpu;
225 pt->dma = dma_addr;
226 return 0;
227 }
228
saa7134_pgtable_build(struct pci_dev * pci,struct saa7134_pgtable * pt,struct scatterlist * list,unsigned int length,unsigned int startpage)229 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
230 struct scatterlist *list, unsigned int length,
231 unsigned int startpage)
232 {
233 __le32 *ptr;
234 unsigned int i,p;
235
236 BUG_ON(NULL == pt || NULL == pt->cpu);
237
238 ptr = pt->cpu + startpage;
239 for (i = 0; i < length; i++, list++)
240 for (p = 0; p * 4096 < list->length; p++, ptr++)
241 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
242 return 0;
243 }
244
saa7134_pgtable_free(struct pci_dev * pci,struct saa7134_pgtable * pt)245 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
246 {
247 if (NULL == pt->cpu)
248 return;
249 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
250 pt->cpu = NULL;
251 }
252
253 /* ------------------------------------------------------------------ */
254
saa7134_dma_free(struct videobuf_queue * q,struct saa7134_buf * buf)255 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
256 {
257 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
258 BUG_ON(in_interrupt());
259
260 videobuf_waiton(&buf->vb,0,0);
261 videobuf_dma_unmap(q, dma);
262 videobuf_dma_free(dma);
263 buf->vb.state = VIDEOBUF_NEEDS_INIT;
264 }
265
266 /* ------------------------------------------------------------------ */
267
saa7134_buffer_queue(struct saa7134_dev * dev,struct saa7134_dmaqueue * q,struct saa7134_buf * buf)268 int saa7134_buffer_queue(struct saa7134_dev *dev,
269 struct saa7134_dmaqueue *q,
270 struct saa7134_buf *buf)
271 {
272 struct saa7134_buf *next = NULL;
273
274 assert_spin_locked(&dev->slock);
275 dprintk("buffer_queue %p\n",buf);
276 if (NULL == q->curr) {
277 if (!q->need_two) {
278 q->curr = buf;
279 buf->activate(dev,buf,NULL);
280 } else if (list_empty(&q->queue)) {
281 list_add_tail(&buf->vb.queue,&q->queue);
282 buf->vb.state = VIDEOBUF_QUEUED;
283 } else {
284 next = list_entry(q->queue.next,struct saa7134_buf,
285 vb.queue);
286 q->curr = buf;
287 buf->activate(dev,buf,next);
288 }
289 } else {
290 list_add_tail(&buf->vb.queue,&q->queue);
291 buf->vb.state = VIDEOBUF_QUEUED;
292 }
293 return 0;
294 }
295
saa7134_buffer_finish(struct saa7134_dev * dev,struct saa7134_dmaqueue * q,unsigned int state)296 void saa7134_buffer_finish(struct saa7134_dev *dev,
297 struct saa7134_dmaqueue *q,
298 unsigned int state)
299 {
300 assert_spin_locked(&dev->slock);
301 dprintk("buffer_finish %p\n",q->curr);
302
303 /* finish current buffer */
304 q->curr->vb.state = state;
305 do_gettimeofday(&q->curr->vb.ts);
306 wake_up(&q->curr->vb.done);
307 q->curr = NULL;
308 }
309
saa7134_buffer_next(struct saa7134_dev * dev,struct saa7134_dmaqueue * q)310 void saa7134_buffer_next(struct saa7134_dev *dev,
311 struct saa7134_dmaqueue *q)
312 {
313 struct saa7134_buf *buf,*next = NULL;
314
315 assert_spin_locked(&dev->slock);
316 BUG_ON(NULL != q->curr);
317
318 if (!list_empty(&q->queue)) {
319 /* activate next one from queue */
320 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
321 dprintk("buffer_next %p [prev=%p/next=%p]\n",
322 buf,q->queue.prev,q->queue.next);
323 list_del(&buf->vb.queue);
324 if (!list_empty(&q->queue))
325 next = list_entry(q->queue.next,struct saa7134_buf,
326 vb.queue);
327 q->curr = buf;
328 buf->activate(dev,buf,next);
329 dprintk("buffer_next #2 prev=%p/next=%p\n",
330 q->queue.prev,q->queue.next);
331 } else {
332 /* nothing to do -- just stop DMA */
333 dprintk("buffer_next %p\n",NULL);
334 saa7134_set_dmabits(dev);
335 del_timer(&q->timeout);
336 }
337 }
338
saa7134_buffer_timeout(unsigned long data)339 void saa7134_buffer_timeout(unsigned long data)
340 {
341 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
342 struct saa7134_dev *dev = q->dev;
343 unsigned long flags;
344
345 spin_lock_irqsave(&dev->slock,flags);
346
347 /* try to reset the hardware (SWRST) */
348 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
349 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
350 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
351
352 /* flag current buffer as failed,
353 try to start over with the next one. */
354 if (q->curr) {
355 dprintk("timeout on %p\n",q->curr);
356 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
357 }
358 saa7134_buffer_next(dev,q);
359 spin_unlock_irqrestore(&dev->slock,flags);
360 }
361
362 /* ------------------------------------------------------------------ */
363
saa7134_set_dmabits(struct saa7134_dev * dev)364 int saa7134_set_dmabits(struct saa7134_dev *dev)
365 {
366 u32 split, task=0, ctrl=0, irq=0;
367 enum v4l2_field cap = V4L2_FIELD_ANY;
368 enum v4l2_field ov = V4L2_FIELD_ANY;
369
370 assert_spin_locked(&dev->slock);
371
372 if (dev->insuspend)
373 return 0;
374
375 /* video capture -- dma 0 + video task A */
376 if (dev->video_q.curr) {
377 task |= 0x01;
378 ctrl |= SAA7134_MAIN_CTRL_TE0;
379 irq |= SAA7134_IRQ1_INTE_RA0_1 |
380 SAA7134_IRQ1_INTE_RA0_0;
381 cap = dev->video_q.curr->vb.field;
382 }
383
384 /* video capture -- dma 1+2 (planar modes) */
385 if (dev->video_q.curr &&
386 dev->video_q.curr->fmt->planar) {
387 ctrl |= SAA7134_MAIN_CTRL_TE4 |
388 SAA7134_MAIN_CTRL_TE5;
389 }
390
391 /* screen overlay -- dma 0 + video task B */
392 if (dev->ovenable) {
393 task |= 0x10;
394 ctrl |= SAA7134_MAIN_CTRL_TE1;
395 ov = dev->ovfield;
396 }
397
398 /* vbi capture -- dma 0 + vbi task A+B */
399 if (dev->vbi_q.curr) {
400 task |= 0x22;
401 ctrl |= SAA7134_MAIN_CTRL_TE2 |
402 SAA7134_MAIN_CTRL_TE3;
403 irq |= SAA7134_IRQ1_INTE_RA0_7 |
404 SAA7134_IRQ1_INTE_RA0_6 |
405 SAA7134_IRQ1_INTE_RA0_5 |
406 SAA7134_IRQ1_INTE_RA0_4;
407 }
408
409 /* audio capture -- dma 3 */
410 if (dev->dmasound.dma_running) {
411 ctrl |= SAA7134_MAIN_CTRL_TE6;
412 irq |= SAA7134_IRQ1_INTE_RA3_1 |
413 SAA7134_IRQ1_INTE_RA3_0;
414 }
415
416 /* TS capture -- dma 5 */
417 if (dev->ts_q.curr) {
418 ctrl |= SAA7134_MAIN_CTRL_TE5;
419 irq |= SAA7134_IRQ1_INTE_RA2_1 |
420 SAA7134_IRQ1_INTE_RA2_0;
421 }
422
423 /* set task conditions + field handling */
424 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
425 /* default config -- use full frames */
426 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
427 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
428 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
429 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
430 split = 0;
431 } else {
432 /* split fields between tasks */
433 if (V4L2_FIELD_TOP == cap) {
434 /* odd A, even B, repeat */
435 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
437 } else {
438 /* odd B, even A, repeat */
439 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
440 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
441 }
442 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
443 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
444 split = 1;
445 }
446
447 /* irqs */
448 saa_writeb(SAA7134_REGION_ENABLE, task);
449 saa_writel(SAA7134_IRQ1, irq);
450 saa_andorl(SAA7134_MAIN_CTRL,
451 SAA7134_MAIN_CTRL_TE0 |
452 SAA7134_MAIN_CTRL_TE1 |
453 SAA7134_MAIN_CTRL_TE2 |
454 SAA7134_MAIN_CTRL_TE3 |
455 SAA7134_MAIN_CTRL_TE4 |
456 SAA7134_MAIN_CTRL_TE5 |
457 SAA7134_MAIN_CTRL_TE6,
458 ctrl);
459 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
460 task, ctrl, irq, split ? "no" : "yes");
461
462 return 0;
463 }
464
465 /* ------------------------------------------------------------------ */
466 /* IRQ handler + helpers */
467
468 static char *irqbits[] = {
469 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
470 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
471 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
472 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
473 };
474 #define IRQBITS ARRAY_SIZE(irqbits)
475
print_irqstatus(struct saa7134_dev * dev,int loop,unsigned long report,unsigned long status)476 static void print_irqstatus(struct saa7134_dev *dev, int loop,
477 unsigned long report, unsigned long status)
478 {
479 unsigned int i;
480
481 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
482 dev->name,loop,jiffies,report,status);
483 for (i = 0; i < IRQBITS; i++) {
484 if (!(report & (1 << i)))
485 continue;
486 printk(" %s",irqbits[i]);
487 }
488 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
489 printk(" | RA0=%s,%s,%s,%ld",
490 (status & 0x40) ? "vbi" : "video",
491 (status & 0x20) ? "b" : "a",
492 (status & 0x10) ? "odd" : "even",
493 (status & 0x0f));
494 }
495 printk("\n");
496 }
497
saa7134_irq(int irq,void * dev_id)498 static irqreturn_t saa7134_irq(int irq, void *dev_id)
499 {
500 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
501 unsigned long report,status;
502 int loop, handled = 0;
503
504 if (dev->insuspend)
505 goto out;
506
507 for (loop = 0; loop < 10; loop++) {
508 report = saa_readl(SAA7134_IRQ_REPORT);
509 status = saa_readl(SAA7134_IRQ_STATUS);
510
511 /* If dmasound support is active and we get a sound report,
512 * mask out the report and let the saa7134-alsa module deal
513 * with it */
514 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
515 (dev->dmasound.priv_data != NULL) )
516 {
517 if (irq_debug > 1)
518 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
519 dev->name);
520 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
521 }
522
523 if (0 == report) {
524 if (irq_debug > 1)
525 printk(KERN_DEBUG "%s/irq: no (more) work\n",
526 dev->name);
527 goto out;
528 }
529
530 handled = 1;
531 saa_writel(SAA7134_IRQ_REPORT,report);
532 if (irq_debug)
533 print_irqstatus(dev,loop,report,status);
534
535
536 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
537 (report & SAA7134_IRQ_REPORT_INTL))
538 saa7134_irq_video_signalchange(dev);
539
540
541 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
542 (status & 0x60) == 0)
543 saa7134_irq_video_done(dev,status);
544
545 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
546 (status & 0x40) == 0x40)
547 saa7134_irq_vbi_done(dev,status);
548
549 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
550 card_has_mpeg(dev))
551 saa7134_irq_ts_done(dev,status);
552
553 if (report & SAA7134_IRQ_REPORT_GPIO16) {
554 switch (dev->has_remote) {
555 case SAA7134_REMOTE_GPIO:
556 if (!dev->remote)
557 break;
558 if (dev->remote->mask_keydown & 0x10000) {
559 saa7134_input_irq(dev);
560 }
561 break;
562
563 case SAA7134_REMOTE_I2C:
564 break; /* FIXME: invoke I2C get_key() */
565
566 default: /* GPIO16 not used by IR remote */
567 break;
568 }
569 }
570
571 if (report & SAA7134_IRQ_REPORT_GPIO18) {
572 switch (dev->has_remote) {
573 case SAA7134_REMOTE_GPIO:
574 if (!dev->remote)
575 break;
576 if ((dev->remote->mask_keydown & 0x40000) ||
577 (dev->remote->mask_keyup & 0x40000)) {
578 saa7134_input_irq(dev);
579 }
580 break;
581
582 case SAA7134_REMOTE_I2C:
583 break; /* FIXME: invoke I2C get_key() */
584
585 default: /* GPIO18 not used by IR remote */
586 break;
587 }
588 }
589 }
590
591 if (10 == loop) {
592 print_irqstatus(dev,loop,report,status);
593 if (report & SAA7134_IRQ_REPORT_PE) {
594 /* disable all parity error */
595 printk(KERN_WARNING "%s/irq: looping -- "
596 "clearing PE (parity error!) enable bit\n",dev->name);
597 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
598 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
599 /* disable gpio16 IRQ */
600 printk(KERN_WARNING "%s/irq: looping -- "
601 "clearing GPIO16 enable bit\n",dev->name);
602 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
603 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
604 /* disable gpio18 IRQs */
605 printk(KERN_WARNING "%s/irq: looping -- "
606 "clearing GPIO18 enable bit\n",dev->name);
607 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
608 } else {
609 /* disable all irqs */
610 printk(KERN_WARNING "%s/irq: looping -- "
611 "clearing all enable bits\n",dev->name);
612 saa_writel(SAA7134_IRQ1,0);
613 saa_writel(SAA7134_IRQ2,0);
614 }
615 }
616
617 out:
618 return IRQ_RETVAL(handled);
619 }
620
621 /* ------------------------------------------------------------------ */
622
623 /* early init (no i2c, no irq) */
624
saa7134_hw_enable1(struct saa7134_dev * dev)625 static int saa7134_hw_enable1(struct saa7134_dev *dev)
626 {
627 /* RAM FIFO config */
628 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
629 saa_writel(SAA7134_THRESHOULD, 0x02020202);
630
631 /* enable audio + video processing */
632 saa_writel(SAA7134_MAIN_CTRL,
633 SAA7134_MAIN_CTRL_VPLLE |
634 SAA7134_MAIN_CTRL_APLLE |
635 SAA7134_MAIN_CTRL_EXOSC |
636 SAA7134_MAIN_CTRL_EVFE1 |
637 SAA7134_MAIN_CTRL_EVFE2 |
638 SAA7134_MAIN_CTRL_ESFE |
639 SAA7134_MAIN_CTRL_EBDAC);
640
641 /*
642 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
643 * OSS initialization writes to registers via the audio DSP; these
644 * writes will fail unless the audio clock has been started. At worst,
645 * audio will not work.
646 */
647
648 /* enable peripheral devices */
649 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
650
651 /* set vertical line numbering start (vbi needs this) */
652 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
653
654 return 0;
655 }
656
saa7134_hwinit1(struct saa7134_dev * dev)657 static int saa7134_hwinit1(struct saa7134_dev *dev)
658 {
659 dprintk("hwinit1\n");
660
661 saa_writel(SAA7134_IRQ1, 0);
662 saa_writel(SAA7134_IRQ2, 0);
663
664 /* Clear any stale IRQ reports */
665 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
666
667 mutex_init(&dev->lock);
668 spin_lock_init(&dev->slock);
669
670 saa7134_track_gpio(dev,"pre-init");
671 saa7134_video_init1(dev);
672 saa7134_vbi_init1(dev);
673 if (card_has_mpeg(dev))
674 saa7134_ts_init1(dev);
675 saa7134_input_init1(dev);
676
677 saa7134_hw_enable1(dev);
678
679 return 0;
680 }
681
682 /* late init (with i2c + irq) */
saa7134_hw_enable2(struct saa7134_dev * dev)683 static int saa7134_hw_enable2(struct saa7134_dev *dev)
684 {
685
686 unsigned int irq2_mask;
687
688 /* enable IRQ's */
689 irq2_mask =
690 SAA7134_IRQ2_INTE_DEC3 |
691 SAA7134_IRQ2_INTE_DEC2 |
692 SAA7134_IRQ2_INTE_DEC1 |
693 SAA7134_IRQ2_INTE_DEC0 |
694 SAA7134_IRQ2_INTE_PE |
695 SAA7134_IRQ2_INTE_AR;
696
697 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
698 if (dev->remote->mask_keydown & 0x10000)
699 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
700 else if (dev->remote->mask_keydown & 0x40000)
701 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
702 else if (dev->remote->mask_keyup & 0x40000)
703 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
704 }
705
706 if (dev->has_remote == SAA7134_REMOTE_I2C) {
707 request_module("ir-kbd-i2c");
708 }
709
710 saa_writel(SAA7134_IRQ1, 0);
711 saa_writel(SAA7134_IRQ2, irq2_mask);
712
713 return 0;
714 }
715
saa7134_hwinit2(struct saa7134_dev * dev)716 static int saa7134_hwinit2(struct saa7134_dev *dev)
717 {
718
719 dprintk("hwinit2\n");
720
721 saa7134_video_init2(dev);
722 saa7134_tvaudio_init2(dev);
723
724 saa7134_hw_enable2(dev);
725
726 return 0;
727 }
728
729
730 /* shutdown */
saa7134_hwfini(struct saa7134_dev * dev)731 static int saa7134_hwfini(struct saa7134_dev *dev)
732 {
733 dprintk("hwfini\n");
734
735 if (card_has_mpeg(dev))
736 saa7134_ts_fini(dev);
737 saa7134_input_fini(dev);
738 saa7134_vbi_fini(dev);
739 saa7134_tvaudio_fini(dev);
740 return 0;
741 }
742
must_configure_manually(void)743 static void __devinit must_configure_manually(void)
744 {
745 unsigned int i,p;
746
747 printk(KERN_WARNING
748 "saa7134: <rant>\n"
749 "saa7134: Congratulations! Your TV card vendor saved a few\n"
750 "saa7134: cents for a eeprom, thus your pci board has no\n"
751 "saa7134: subsystem ID and I can't identify it automatically\n"
752 "saa7134: </rant>\n"
753 "saa7134: I feel better now. Ok, here are the good news:\n"
754 "saa7134: You can use the card=<nr> insmod option to specify\n"
755 "saa7134: which board do you have. The list:\n");
756 for (i = 0; i < saa7134_bcount; i++) {
757 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
758 i,saa7134_boards[i].name);
759 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
760 if (saa7134_pci_tbl[p].driver_data != i)
761 continue;
762 printk(" %04x:%04x",
763 saa7134_pci_tbl[p].subvendor,
764 saa7134_pci_tbl[p].subdevice);
765 }
766 printk("\n");
767 }
768 }
769
vdev_init(struct saa7134_dev * dev,struct video_device * template,char * type)770 static struct video_device *vdev_init(struct saa7134_dev *dev,
771 struct video_device *template,
772 char *type)
773 {
774 struct video_device *vfd;
775
776 vfd = video_device_alloc();
777 if (NULL == vfd)
778 return NULL;
779 *vfd = *template;
780 vfd->minor = -1;
781 vfd->parent = &dev->pci->dev;
782 vfd->release = video_device_release;
783 vfd->debug = video_debug;
784 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
785 dev->name, type, saa7134_boards[dev->board].name);
786 return vfd;
787 }
788
saa7134_unregister_video(struct saa7134_dev * dev)789 static void saa7134_unregister_video(struct saa7134_dev *dev)
790 {
791 if (dev->video_dev) {
792 if (-1 != dev->video_dev->minor)
793 video_unregister_device(dev->video_dev);
794 else
795 video_device_release(dev->video_dev);
796 dev->video_dev = NULL;
797 }
798 if (dev->vbi_dev) {
799 if (-1 != dev->vbi_dev->minor)
800 video_unregister_device(dev->vbi_dev);
801 else
802 video_device_release(dev->vbi_dev);
803 dev->vbi_dev = NULL;
804 }
805 if (dev->radio_dev) {
806 if (-1 != dev->radio_dev->minor)
807 video_unregister_device(dev->radio_dev);
808 else
809 video_device_release(dev->radio_dev);
810 dev->radio_dev = NULL;
811 }
812 }
813
mpeg_ops_attach(struct saa7134_mpeg_ops * ops,struct saa7134_dev * dev)814 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
815 struct saa7134_dev *dev)
816 {
817 int err;
818
819 if (NULL != dev->mops)
820 return;
821 if (saa7134_boards[dev->board].mpeg != ops->type)
822 return;
823 err = ops->init(dev);
824 if (0 != err)
825 return;
826 dev->mops = ops;
827 }
828
mpeg_ops_detach(struct saa7134_mpeg_ops * ops,struct saa7134_dev * dev)829 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
830 struct saa7134_dev *dev)
831 {
832 if (NULL == dev->mops)
833 return;
834 if (dev->mops != ops)
835 return;
836 dev->mops->fini(dev);
837 dev->mops = NULL;
838 }
839
saa7134_initdev(struct pci_dev * pci_dev,const struct pci_device_id * pci_id)840 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
841 const struct pci_device_id *pci_id)
842 {
843 struct saa7134_dev *dev;
844 struct saa7134_mpeg_ops *mops;
845 int err;
846
847 if (saa7134_devcount == SAA7134_MAXBOARDS)
848 return -ENOMEM;
849
850 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
851 if (NULL == dev)
852 return -ENOMEM;
853
854 /* pci init */
855 dev->pci = pci_dev;
856 if (pci_enable_device(pci_dev)) {
857 err = -EIO;
858 goto fail1;
859 }
860
861 dev->nr = saa7134_devcount;
862 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
863
864 /* pci quirks */
865 if (pci_pci_problems) {
866 if (pci_pci_problems & PCIPCI_TRITON)
867 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
868 if (pci_pci_problems & PCIPCI_NATOMA)
869 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
870 if (pci_pci_problems & PCIPCI_VIAETBF)
871 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
872 if (pci_pci_problems & PCIPCI_VSFX)
873 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
874 #ifdef PCIPCI_ALIMAGIK
875 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
876 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
877 dev->name);
878 latency = 0x0A;
879 }
880 #endif
881 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
882 printk(KERN_INFO "%s: quirk: this driver and your "
883 "chipset may not work together"
884 " in overlay mode.\n",dev->name);
885 if (!saa7134_no_overlay) {
886 printk(KERN_INFO "%s: quirk: overlay "
887 "mode will be disabled.\n",
888 dev->name);
889 saa7134_no_overlay = 1;
890 } else {
891 printk(KERN_INFO "%s: quirk: overlay "
892 "mode will be forced. Use this"
893 " option at your own risk.\n",
894 dev->name);
895 }
896 }
897 }
898 if (UNSET != latency) {
899 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
900 dev->name,latency);
901 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
902 }
903
904 /* print pci info */
905 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
906 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
907 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
908 "latency: %d, mmio: 0x%llx\n", dev->name,
909 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
910 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
911 pci_set_master(pci_dev);
912 if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
913 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
914 err = -EIO;
915 goto fail1;
916 }
917
918 /* board config */
919 dev->board = pci_id->driver_data;
920 if (card[dev->nr] >= 0 &&
921 card[dev->nr] < saa7134_bcount)
922 dev->board = card[dev->nr];
923 if (SAA7134_BOARD_NOAUTO == dev->board) {
924 must_configure_manually();
925 dev->board = SAA7134_BOARD_UNKNOWN;
926 }
927 dev->autodetected = card[dev->nr] != dev->board;
928 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
929 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
930 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
931 if (UNSET != tuner[dev->nr])
932 dev->tuner_type = tuner[dev->nr];
933 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
934 dev->name,pci_dev->subsystem_vendor,
935 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
936 dev->board, dev->autodetected ?
937 "autodetected" : "insmod option");
938
939 /* get mmio */
940 if (!request_mem_region(pci_resource_start(pci_dev,0),
941 pci_resource_len(pci_dev,0),
942 dev->name)) {
943 err = -EBUSY;
944 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
945 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
946 goto fail1;
947 }
948 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
949 pci_resource_len(pci_dev, 0));
950 dev->bmmio = (__u8 __iomem *)dev->lmmio;
951 if (NULL == dev->lmmio) {
952 err = -EIO;
953 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
954 dev->name);
955 goto fail2;
956 }
957
958 /* initialize hardware #1 */
959 saa7134_board_init1(dev);
960 saa7134_hwinit1(dev);
961
962 /* get irq */
963 err = request_irq(pci_dev->irq, saa7134_irq,
964 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
965 if (err < 0) {
966 printk(KERN_ERR "%s: can't get IRQ %d\n",
967 dev->name,pci_dev->irq);
968 goto fail3;
969 }
970
971 /* wait a bit, register i2c bus */
972 msleep(100);
973 saa7134_i2c_register(dev);
974
975 /* initialize hardware #2 */
976 if (TUNER_ABSENT != dev->tuner_type)
977 request_module("tuner");
978 saa7134_board_init2(dev);
979
980 saa7134_hwinit2(dev);
981
982 /* load i2c helpers */
983 if (card_is_empress(dev)) {
984 request_module("saa6752hs");
985 }
986
987 request_submodules(dev);
988
989 v4l2_prio_init(&dev->prio);
990
991 /* register v4l devices */
992 if (saa7134_no_overlay > 0)
993 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
994
995 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
996 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
997 video_nr[dev->nr]);
998 if (err < 0) {
999 printk(KERN_INFO "%s: can't register video device\n",
1000 dev->name);
1001 goto fail4;
1002 }
1003 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
1004 dev->name, dev->video_dev->num);
1005
1006 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1007
1008 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1009 vbi_nr[dev->nr]);
1010 if (err < 0)
1011 goto fail4;
1012 printk(KERN_INFO "%s: registered device vbi%d\n",
1013 dev->name, dev->vbi_dev->num);
1014
1015 if (card_has_radio(dev)) {
1016 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1017 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1018 radio_nr[dev->nr]);
1019 if (err < 0)
1020 goto fail4;
1021 printk(KERN_INFO "%s: registered device radio%d\n",
1022 dev->name, dev->radio_dev->num);
1023 }
1024
1025 /* everything worked */
1026 pci_set_drvdata(pci_dev,dev);
1027 saa7134_devcount++;
1028
1029 mutex_lock(&devlist_lock);
1030 list_for_each_entry(mops, &mops_list, next)
1031 mpeg_ops_attach(mops, dev);
1032 list_add_tail(&dev->devlist,&saa7134_devlist);
1033 mutex_unlock(&devlist_lock);
1034
1035 /* check for signal */
1036 saa7134_irq_video_signalchange(dev);
1037
1038 if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1039 saa7134_dmasound_init(dev);
1040 }
1041
1042 if (TUNER_ABSENT != dev->tuner_type)
1043 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1044
1045 return 0;
1046
1047 fail4:
1048 saa7134_unregister_video(dev);
1049 saa7134_i2c_unregister(dev);
1050 free_irq(pci_dev->irq, dev);
1051 fail3:
1052 saa7134_hwfini(dev);
1053 iounmap(dev->lmmio);
1054 fail2:
1055 release_mem_region(pci_resource_start(pci_dev,0),
1056 pci_resource_len(pci_dev,0));
1057 fail1:
1058 kfree(dev);
1059 return err;
1060 }
1061
saa7134_finidev(struct pci_dev * pci_dev)1062 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1063 {
1064 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1065 struct saa7134_mpeg_ops *mops;
1066
1067 /* Release DMA sound modules if present */
1068 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1069 saa7134_dmasound_exit(dev);
1070 }
1071
1072 /* debugging ... */
1073 if (irq_debug) {
1074 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1075 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1076 print_irqstatus(dev,42,report,status);
1077 }
1078
1079 /* disable peripheral devices */
1080 saa_writeb(SAA7134_SPECIAL_MODE,0);
1081
1082 /* shutdown hardware */
1083 saa_writel(SAA7134_IRQ1,0);
1084 saa_writel(SAA7134_IRQ2,0);
1085 saa_writel(SAA7134_MAIN_CTRL,0);
1086
1087 /* shutdown subsystems */
1088 saa7134_hwfini(dev);
1089
1090 /* unregister */
1091 mutex_lock(&devlist_lock);
1092 list_del(&dev->devlist);
1093 list_for_each_entry(mops, &mops_list, next)
1094 mpeg_ops_detach(mops, dev);
1095 mutex_unlock(&devlist_lock);
1096 saa7134_devcount--;
1097
1098 saa7134_i2c_unregister(dev);
1099 saa7134_unregister_video(dev);
1100
1101
1102 /* the DMA sound modules should be unloaded before reaching
1103 this, but just in case they are still present... */
1104 if (dev->dmasound.priv_data != NULL) {
1105 free_irq(pci_dev->irq, &dev->dmasound);
1106 dev->dmasound.priv_data = NULL;
1107 }
1108
1109
1110 /* release resources */
1111 free_irq(pci_dev->irq, dev);
1112 iounmap(dev->lmmio);
1113 release_mem_region(pci_resource_start(pci_dev,0),
1114 pci_resource_len(pci_dev,0));
1115
1116 pci_set_drvdata(pci_dev, NULL);
1117
1118 /* free memory */
1119 kfree(dev);
1120 }
1121
1122 #ifdef CONFIG_PM
1123
1124 /* resends a current buffer in queue after resume */
saa7134_buffer_requeue(struct saa7134_dev * dev,struct saa7134_dmaqueue * q)1125 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1126 struct saa7134_dmaqueue *q)
1127 {
1128 struct saa7134_buf *buf, *next;
1129
1130 assert_spin_locked(&dev->slock);
1131
1132 buf = q->curr;
1133 next = buf;
1134 dprintk("buffer_requeue\n");
1135
1136 if (!buf)
1137 return 0;
1138
1139 dprintk("buffer_requeue : resending active buffers \n");
1140
1141 if (!list_empty(&q->queue))
1142 next = list_entry(q->queue.next, struct saa7134_buf,
1143 vb.queue);
1144 buf->activate(dev, buf, next);
1145
1146 return 0;
1147 }
1148
saa7134_suspend(struct pci_dev * pci_dev,pm_message_t state)1149 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1150 {
1151
1152 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1153
1154 /* disable overlay - apps should enable it explicitly on resume*/
1155 dev->ovenable = 0;
1156
1157 /* Disable interrupts, DMA, and rest of the chip*/
1158 saa_writel(SAA7134_IRQ1, 0);
1159 saa_writel(SAA7134_IRQ2, 0);
1160 saa_writel(SAA7134_MAIN_CTRL, 0);
1161
1162 dev->insuspend = 1;
1163 synchronize_irq(pci_dev->irq);
1164
1165 /* ACK interrupts once more, just in case,
1166 since the IRQ handler won't ack them anymore*/
1167
1168 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1169
1170 /* Disable timeout timers - if we have active buffers, we will
1171 fill them on resume*/
1172
1173 del_timer(&dev->video_q.timeout);
1174 del_timer(&dev->vbi_q.timeout);
1175 del_timer(&dev->ts_q.timeout);
1176
1177 if (dev->remote)
1178 saa7134_ir_stop(dev);
1179
1180 pci_save_state(pci_dev);
1181 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1182
1183 return 0;
1184 }
1185
saa7134_resume(struct pci_dev * pci_dev)1186 static int saa7134_resume(struct pci_dev *pci_dev)
1187 {
1188 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1189 unsigned long flags;
1190
1191 pci_set_power_state(pci_dev, PCI_D0);
1192 pci_restore_state(pci_dev);
1193
1194 /* Do things that are done in saa7134_initdev ,
1195 except of initializing memory structures.*/
1196
1197 saa7134_board_init1(dev);
1198
1199 /* saa7134_hwinit1 */
1200 if (saa7134_boards[dev->board].video_out)
1201 saa7134_videoport_init(dev);
1202 if (card_has_mpeg(dev))
1203 saa7134_ts_init_hw(dev);
1204 if (dev->remote)
1205 saa7134_ir_start(dev, dev->remote);
1206 saa7134_hw_enable1(dev);
1207
1208 msleep(100);
1209
1210 saa7134_board_init2(dev);
1211
1212 /*saa7134_hwinit2*/
1213 saa7134_set_tvnorm_hw(dev);
1214 saa7134_tvaudio_setmute(dev);
1215 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1216 saa7134_tvaudio_init(dev);
1217 saa7134_tvaudio_do_scan(dev);
1218 saa7134_enable_i2s(dev);
1219 saa7134_hw_enable2(dev);
1220
1221 saa7134_irq_video_signalchange(dev);
1222
1223 /*resume unfinished buffer(s)*/
1224 spin_lock_irqsave(&dev->slock, flags);
1225 saa7134_buffer_requeue(dev, &dev->video_q);
1226 saa7134_buffer_requeue(dev, &dev->vbi_q);
1227 saa7134_buffer_requeue(dev, &dev->ts_q);
1228
1229 /* FIXME: Disable DMA audio sound - temporary till proper support
1230 is implemented*/
1231
1232 dev->dmasound.dma_running = 0;
1233
1234 /* start DMA now*/
1235 dev->insuspend = 0;
1236 smp_wmb();
1237 saa7134_set_dmabits(dev);
1238 spin_unlock_irqrestore(&dev->slock, flags);
1239
1240 return 0;
1241 }
1242 #endif
1243
1244 /* ----------------------------------------------------------- */
1245
saa7134_ts_register(struct saa7134_mpeg_ops * ops)1246 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1247 {
1248 struct saa7134_dev *dev;
1249
1250 mutex_lock(&devlist_lock);
1251 list_for_each_entry(dev, &saa7134_devlist, devlist)
1252 mpeg_ops_attach(ops, dev);
1253 list_add_tail(&ops->next,&mops_list);
1254 mutex_unlock(&devlist_lock);
1255 return 0;
1256 }
1257
saa7134_ts_unregister(struct saa7134_mpeg_ops * ops)1258 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1259 {
1260 struct saa7134_dev *dev;
1261
1262 mutex_lock(&devlist_lock);
1263 list_del(&ops->next);
1264 list_for_each_entry(dev, &saa7134_devlist, devlist)
1265 mpeg_ops_detach(ops, dev);
1266 mutex_unlock(&devlist_lock);
1267 }
1268
1269 EXPORT_SYMBOL(saa7134_ts_register);
1270 EXPORT_SYMBOL(saa7134_ts_unregister);
1271
1272 /* ----------------------------------------------------------- */
1273
1274 static struct pci_driver saa7134_pci_driver = {
1275 .name = "saa7134",
1276 .id_table = saa7134_pci_tbl,
1277 .probe = saa7134_initdev,
1278 .remove = __devexit_p(saa7134_finidev),
1279 #ifdef CONFIG_PM
1280 .suspend = saa7134_suspend,
1281 .resume = saa7134_resume
1282 #endif
1283 };
1284
saa7134_init(void)1285 static int saa7134_init(void)
1286 {
1287 INIT_LIST_HEAD(&saa7134_devlist);
1288 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1289 (SAA7134_VERSION_CODE >> 16) & 0xff,
1290 (SAA7134_VERSION_CODE >> 8) & 0xff,
1291 SAA7134_VERSION_CODE & 0xff);
1292 #ifdef SNAPSHOT
1293 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1294 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1295 #endif
1296 return pci_register_driver(&saa7134_pci_driver);
1297 }
1298
saa7134_fini(void)1299 static void saa7134_fini(void)
1300 {
1301 pci_unregister_driver(&saa7134_pci_driver);
1302 }
1303
1304 module_init(saa7134_init);
1305 module_exit(saa7134_fini);
1306
1307 /* ----------------------------------------------------------- */
1308
1309 EXPORT_SYMBOL(saa7134_set_gpio);
1310 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1311 EXPORT_SYMBOL(saa7134_devlist);
1312 EXPORT_SYMBOL(saa7134_boards);
1313
1314 /* ----------------- for the DMA sound modules --------------- */
1315
1316 EXPORT_SYMBOL(saa7134_dmasound_init);
1317 EXPORT_SYMBOL(saa7134_dmasound_exit);
1318 EXPORT_SYMBOL(saa7134_pgtable_free);
1319 EXPORT_SYMBOL(saa7134_pgtable_build);
1320 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1321 EXPORT_SYMBOL(saa7134_set_dmabits);
1322
1323 /* ----------------------------------------------------------- */
1324 /*
1325 * Local variables:
1326 * c-basic-offset: 8
1327 * End:
1328 */
1329