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V4L/DVB (11853): minor have assigned value twice
[net-next-2.6.git] / drivers / media / video / saa7134 / saa7134-core.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 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
1da177e4
LT		 23#include <linux/init.h>
24#include <linux/list.h>
25#include <linux/module.h>
1da177e4
LT		 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>
1e4baed3 32#include <linux/mutex.h>
56b146d3 33#include <linux/dma-mapping.h>
cb71201f 34#include <linux/pm.h>
1da177e4
LT		 35
36#include "saa7134-reg.h"
37#include "saa7134.h"
38
39MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
40MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
41MODULE_LICENSE("GPL");
42
43/* ------------------------------------------------------------------ */
44
ff699e6b 45static unsigned int irq_debug;
1da177e4
LT		 46module_param(irq_debug, int, 0644);
47MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
48
ff699e6b 49static unsigned int core_debug;
1da177e4
LT		 50module_param(core_debug, int, 0644);
51MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
52
ff699e6b 53static unsigned int gpio_tracking;
1da177e4
LT		 54module_param(gpio_tracking, int, 0644);
55MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
56
23ce51d9 57static unsigned int alsa = 1;
4aabf633 58module_param(alsa, int, 0644);
23ce51d9 59MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
4aabf633 60
1da177e4
LT		 61static unsigned int latency = UNSET;
62module_param(latency, int, 0444);
63MODULE_PARM_DESC(latency,"pci latency timer");
64
ecb73774
MCC		 65int saa7134_no_overlay=-1;
66module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
9050d942
MCC		 67MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
68 " [some VIA/SIS chipsets are known to have problem with overlay]");
69
1da177e4
LT		 70static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
71static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
72static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
1da177e4
LT		 73static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
74static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75
674434c6 76
1da177e4
LT		 77module_param_array(video_nr, int, NULL, 0444);
78module_param_array(vbi_nr, int, NULL, 0444);
79module_param_array(radio_nr, int, NULL, 0444);
1da177e4
LT		 80module_param_array(tuner, int, NULL, 0444);
81module_param_array(card, int, NULL, 0444);
82
83MODULE_PARM_DESC(video_nr, "video device number");
84MODULE_PARM_DESC(vbi_nr, "vbi device number");
85MODULE_PARM_DESC(radio_nr, "radio device number");
1da177e4
LT		 86MODULE_PARM_DESC(tuner, "tuner type");
87MODULE_PARM_DESC(card, "card type");
88
befd6e64
MCC		 89DEFINE_MUTEX(saa7134_devlist_lock);
90EXPORT_SYMBOL(saa7134_devlist_lock);
1da177e4 91LIST_HEAD(saa7134_devlist);
befd6e64 92EXPORT_SYMBOL(saa7134_devlist);
1da177e4
LT		 93static LIST_HEAD(mops_list);
94static unsigned int saa7134_devcount;
95
78457018
AB		 96int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
97int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
f5b974cb 98
1da177e4
LT		 99#define dprintk(fmt, arg...) if (core_debug) \
100 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
101
1da177e4
LT		 102void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
103{
104 unsigned long mode,status;
105
106 if (!gpio_tracking)
107 return;
108 /* rising SAA7134_GPIO_GPRESCAN reads the status */
109 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
110 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
111 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
112 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
113 printk(KERN_DEBUG
114 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
115 dev->name, mode, (~mode) & status, mode & status, msg);
116}
117
b8195946
HH		 118void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
119{
120 u32 index, bitval;
b8195946
HH		 121
122 index = 1 << bit_no;
123 switch (value) {
124 case 0: /* static value */
125 case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
126 /* turn sync mode off if necessary */
127 if (index & 0x00c00000)
128 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
129 if (value)
130 bitval = index;
131 else
132 bitval = 0;
133 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
134 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
135 break;
136 case 3: /* tristate */
137 dprintk("setting GPIO%d to tristate\n", bit_no);
138 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
139 break;
cfeb8839
HH		 140 }
141}
142
1da177e4
LT		 143/* ------------------------------------------------------------------ */
144
1da177e4
LT		 145
146/* ----------------------------------------------------------- */
147/* delayed request_module */
148
fd1eab73 149#if defined(CONFIG_MODULES) && defined(MODULE)
1da177e4 150
4217e252
MR		 151static void request_module_async(struct work_struct *work){
152 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
153 if (card_is_empress(dev))
4ac97914 154 request_module("saa7134-empress");
4217e252 155 if (card_is_dvb(dev))
4ac97914 156 request_module("saa7134-dvb");
23ce51d9
MCC		 157 if (alsa) {
158 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
159 request_module("saa7134-alsa");
160 }
1da177e4
LT		 161}
162
4217e252 163static void request_submodules(struct saa7134_dev *dev)
1da177e4 164{
4217e252
MR		 165 INIT_WORK(&dev->request_module_wk, request_module_async);
166 schedule_work(&dev->request_module_wk);
1da177e4
LT		 167}
168
169#else
15f189e9 170#define request_submodules(dev)
1da177e4
LT		 171#endif /* CONFIG_MODULES */
172
173/* ------------------------------------------------------------------ */
174
175/* nr of (saa7134-)pages for the given buffer size */
176static int saa7134_buffer_pages(int size)
177{
178 size = PAGE_ALIGN(size);
179 size += PAGE_SIZE; /* for non-page-aligned buffers */
180 size /= 4096;
181 return size;
182}
183
184/* calc max # of buffers from size (must not exceed the 4MB virtual
185 * address space per DMA channel) */
186int saa7134_buffer_count(unsigned int size, unsigned int count)
187{
188 unsigned int maxcount;
189
190 maxcount = 1024 / saa7134_buffer_pages(size);
191 if (count > maxcount)
192 count = maxcount;
193 return count;
194}
195
196int saa7134_buffer_startpage(struct saa7134_buf *buf)
197{
198 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
199}
200
201unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
202{
203 unsigned long base;
c1accaa2 204 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1da177e4
LT		 205
206 base = saa7134_buffer_startpage(buf) * 4096;
c1accaa2 207 base += dma->sglist[0].offset;
1da177e4
LT		 208 return base;
209}
210
211/* ------------------------------------------------------------------ */
212
213int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
214{
4ac97914 215 __le32 *cpu;
614b147b 216 dma_addr_t dma_addr = 0;
1da177e4
LT		 217
218 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
219 if (NULL == cpu)
220 return -ENOMEM;
221 pt->size = SAA7134_PGTABLE_SIZE;
222 pt->cpu = cpu;
223 pt->dma = dma_addr;
224 return 0;
225}
226
227int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
228 struct scatterlist *list, unsigned int length,
229 unsigned int startpage)
230{
c9c12b79 231 __le32 *ptr;
1da177e4
LT		 232 unsigned int i,p;
233
234 BUG_ON(NULL == pt || NULL == pt->cpu);
235
236 ptr = pt->cpu + startpage;
237 for (i = 0; i < length; i++, list++)
238 for (p = 0; p * 4096 < list->length; p++, ptr++)
a20758fa 239 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
1da177e4
LT		 240 return 0;
241}
242
243void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
244{
245 if (NULL == pt->cpu)
246 return;
247 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
248 pt->cpu = NULL;
249}
250
251/* ------------------------------------------------------------------ */
252
c7b0ac05 253void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
1da177e4 254{
c1accaa2 255 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
ae24601b 256 BUG_ON(in_interrupt());
1da177e4
LT		 257
258 videobuf_waiton(&buf->vb,0,0);
c1accaa2
MCC		 259 videobuf_dma_unmap(q, dma);
260 videobuf_dma_free(dma);
0fc0686e 261 buf->vb.state = VIDEOBUF_NEEDS_INIT;
1da177e4
LT		 262}
263
264/* ------------------------------------------------------------------ */
265
266int saa7134_buffer_queue(struct saa7134_dev *dev,
267 struct saa7134_dmaqueue *q,
268 struct saa7134_buf *buf)
269{
270 struct saa7134_buf *next = NULL;
271
272 assert_spin_locked(&dev->slock);
273 dprintk("buffer_queue %p\n",buf);
274 if (NULL == q->curr) {
275 if (!q->need_two) {
276 q->curr = buf;
277 buf->activate(dev,buf,NULL);
278 } else if (list_empty(&q->queue)) {
279 list_add_tail(&buf->vb.queue,&q->queue);
0fc0686e 280 buf->vb.state = VIDEOBUF_QUEUED;
1da177e4
LT		 281 } else {
282 next = list_entry(q->queue.next,struct saa7134_buf,
283 vb.queue);
284 q->curr = buf;
285 buf->activate(dev,buf,next);
286 }
287 } else {
288 list_add_tail(&buf->vb.queue,&q->queue);
0fc0686e 289 buf->vb.state = VIDEOBUF_QUEUED;
1da177e4
LT		 290 }
291 return 0;
292}
293
294void saa7134_buffer_finish(struct saa7134_dev *dev,
295 struct saa7134_dmaqueue *q,
296 unsigned int state)
297{
298 assert_spin_locked(&dev->slock);
299 dprintk("buffer_finish %p\n",q->curr);
300
301 /* finish current buffer */
302 q->curr->vb.state = state;
303 do_gettimeofday(&q->curr->vb.ts);
304 wake_up(&q->curr->vb.done);
305 q->curr = NULL;
306}
307
308void saa7134_buffer_next(struct saa7134_dev *dev,
309 struct saa7134_dmaqueue *q)
310{
311 struct saa7134_buf *buf,*next = NULL;
312
313 assert_spin_locked(&dev->slock);
314 BUG_ON(NULL != q->curr);
315
316 if (!list_empty(&q->queue)) {
317 /* activate next one from queue */
318 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
319 dprintk("buffer_next %p [prev=%p/next=%p]\n",
320 buf,q->queue.prev,q->queue.next);
321 list_del(&buf->vb.queue);
322 if (!list_empty(&q->queue))
323 next = list_entry(q->queue.next,struct saa7134_buf,
324 vb.queue);
325 q->curr = buf;
326 buf->activate(dev,buf,next);
327 dprintk("buffer_next #2 prev=%p/next=%p\n",
328 q->queue.prev,q->queue.next);
329 } else {
330 /* nothing to do -- just stop DMA */
331 dprintk("buffer_next %p\n",NULL);
332 saa7134_set_dmabits(dev);
333 del_timer(&q->timeout);
334 }
335}
336
337void saa7134_buffer_timeout(unsigned long data)
338{
339 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
340 struct saa7134_dev *dev = q->dev;
341 unsigned long flags;
342
343 spin_lock_irqsave(&dev->slock,flags);
344
345 /* try to reset the hardware (SWRST) */
346 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
347 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
348 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
349
350 /* flag current buffer as failed,
351 try to start over with the next one. */
352 if (q->curr) {
353 dprintk("timeout on %p\n",q->curr);
0fc0686e 354 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
1da177e4
LT		 355 }
356 saa7134_buffer_next(dev,q);
357 spin_unlock_irqrestore(&dev->slock,flags);
358}
359
360/* ------------------------------------------------------------------ */
361
362int saa7134_set_dmabits(struct saa7134_dev *dev)
363{
364 u32 split, task=0, ctrl=0, irq=0;
365 enum v4l2_field cap = V4L2_FIELD_ANY;
366 enum v4l2_field ov = V4L2_FIELD_ANY;
367
368 assert_spin_locked(&dev->slock);
369
c458473e 370 if (dev->insuspend)
acd827d6
ML		 371 return 0;
372
1da177e4
LT		 373 /* video capture -- dma 0 + video task A */
374 if (dev->video_q.curr) {
375 task |= 0x01;
376 ctrl |= SAA7134_MAIN_CTRL_TE0;
377 irq |= SAA7134_IRQ1_INTE_RA0_1 |
378 SAA7134_IRQ1_INTE_RA0_0;
4ac97914 379 cap = dev->video_q.curr->vb.field;
1da177e4
LT		 380 }
381
382 /* video capture -- dma 1+2 (planar modes) */
383 if (dev->video_q.curr &&
384 dev->video_q.curr->fmt->planar) {
385 ctrl |= SAA7134_MAIN_CTRL_TE4 |
386 SAA7134_MAIN_CTRL_TE5;
387 }
388
389 /* screen overlay -- dma 0 + video task B */
390 if (dev->ovenable) {
391 task |= 0x10;
392 ctrl |= SAA7134_MAIN_CTRL_TE1;
393 ov = dev->ovfield;
394 }
395
396 /* vbi capture -- dma 0 + vbi task A+B */
397 if (dev->vbi_q.curr) {
398 task |= 0x22;
399 ctrl |= SAA7134_MAIN_CTRL_TE2 |
400 SAA7134_MAIN_CTRL_TE3;
401 irq |= SAA7134_IRQ1_INTE_RA0_7 |
402 SAA7134_IRQ1_INTE_RA0_6 |
403 SAA7134_IRQ1_INTE_RA0_5 |
404 SAA7134_IRQ1_INTE_RA0_4;
405 }
406
407 /* audio capture -- dma 3 */
b54134be 408 if (dev->dmasound.dma_running) {
1da177e4
LT		 409 ctrl |= SAA7134_MAIN_CTRL_TE6;
410 irq |= SAA7134_IRQ1_INTE_RA3_1 |
411 SAA7134_IRQ1_INTE_RA3_0;
412 }
413
414 /* TS capture -- dma 5 */
415 if (dev->ts_q.curr) {
416 ctrl |= SAA7134_MAIN_CTRL_TE5;
8809b9cc 417 irq |= SAA7134_IRQ1_INTE_RA2_1 |
1da177e4
LT		 418 SAA7134_IRQ1_INTE_RA2_0;
419 }
420
421 /* set task conditions + field handling */
422 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
423 /* default config -- use full frames */
424 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
425 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
426 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
427 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
428 split = 0;
429 } else {
430 /* split fields between tasks */
431 if (V4L2_FIELD_TOP == cap) {
432 /* odd A, even B, repeat */
433 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
434 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
435 } else {
436 /* odd B, even A, repeat */
437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
438 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
439 }
440 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
441 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
442 split = 1;
443 }
444
445 /* irqs */
446 saa_writeb(SAA7134_REGION_ENABLE, task);
447 saa_writel(SAA7134_IRQ1, irq);
448 saa_andorl(SAA7134_MAIN_CTRL,
449 SAA7134_MAIN_CTRL_TE0 |
450 SAA7134_MAIN_CTRL_TE1 |
451 SAA7134_MAIN_CTRL_TE2 |
452 SAA7134_MAIN_CTRL_TE3 |
453 SAA7134_MAIN_CTRL_TE4 |
454 SAA7134_MAIN_CTRL_TE5 |
455 SAA7134_MAIN_CTRL_TE6,
456 ctrl);
457 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
458 task, ctrl, irq, split ? "no" : "yes");
459
460 return 0;
461}
462
463/* ------------------------------------------------------------------ */
464/* IRQ handler + helpers */
465
466static char *irqbits[] = {
467 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
468 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
469 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
470 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
471};
472#define IRQBITS ARRAY_SIZE(irqbits)
473
474static void print_irqstatus(struct saa7134_dev *dev, int loop,
475 unsigned long report, unsigned long status)
476{
477 unsigned int i;
478
479 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
480 dev->name,loop,jiffies,report,status);
481 for (i = 0; i < IRQBITS; i++) {
482 if (!(report & (1 << i)))
483 continue;
484 printk(" %s",irqbits[i]);
485 }
486 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
487 printk(" | RA0=%s,%s,%s,%ld",
488 (status & 0x40) ? "vbi" : "video",
489 (status & 0x20) ? "b" : "a",
490 (status & 0x10) ? "odd" : "even",
491 (status & 0x0f));
492 }
493 printk("\n");
494}
495
7d12e780 496static irqreturn_t saa7134_irq(int irq, void *dev_id)
1da177e4
LT		 497{
498 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
499 unsigned long report,status;
500 int loop, handled = 0;
501
c458473e
ML		 502 if (dev->insuspend)
503 goto out;
504
1da177e4
LT		 505 for (loop = 0; loop < 10; loop++) {
506 report = saa_readl(SAA7134_IRQ_REPORT);
507 status = saa_readl(SAA7134_IRQ_STATUS);
79dd0c69 508
843b1378
HL		 509 /* If dmasound support is active and we get a sound report,
510 * mask out the report and let the saa7134-alsa module deal
511 * with it */
4aabf633
RC		 512 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
513 (dev->dmasound.priv_data != NULL) )
514 {
79dd0c69 515 if (irq_debug > 1)
843b1378
HL		 516 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
517 dev->name);
518 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
519 }
520
521 if (0 == report) {
522 if (irq_debug > 1)
523 printk(KERN_DEBUG "%s/irq: no (more) work\n",
79dd0c69
RC		 524 dev->name);
525 goto out;
526 }
527
1da177e4
LT		 528 handled = 1;
529 saa_writel(SAA7134_IRQ_REPORT,report);
530 if (irq_debug)
531 print_irqstatus(dev,loop,report,status);
532
1da177e4 533
11f7078c
ML		 534 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
535 (report & SAA7134_IRQ_REPORT_INTL))
536 saa7134_irq_video_signalchange(dev);
537
1da177e4
LT		 538
539 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
540 (status & 0x60) == 0)
541 saa7134_irq_video_done(dev,status);
542
543 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
544 (status & 0x40) == 0x40)
545 saa7134_irq_vbi_done(dev,status);
546
547 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
548 card_has_mpeg(dev))
549 saa7134_irq_ts_done(dev,status);
550
0602fbb2
PM		 551 if (report & SAA7134_IRQ_REPORT_GPIO16) {
552 switch (dev->has_remote) {
553 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 554 if (!dev->remote)
555 break;
0602fbb2
PM		 556 if (dev->remote->mask_keydown & 0x10000) {
557 saa7134_input_irq(dev);
558 }
559 break;
560
561 case SAA7134_REMOTE_I2C:
562 break; /* FIXME: invoke I2C get_key() */
563
564 default: /* GPIO16 not used by IR remote */
565 break;
566 }
567 }
bd15eba3 568
0602fbb2
PM		 569 if (report & SAA7134_IRQ_REPORT_GPIO18) {
570 switch (dev->has_remote) {
571 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 572 if (!dev->remote)
573 break;
0602fbb2
PM		 574 if ((dev->remote->mask_keydown & 0x40000) ||
575 (dev->remote->mask_keyup & 0x40000)) {
576 saa7134_input_irq(dev);
577 }
578 break;
579
580 case SAA7134_REMOTE_I2C:
581 break; /* FIXME: invoke I2C get_key() */
582
583 default: /* GPIO18 not used by IR remote */
584 break;
585 }
586 }
1da177e4
LT		 587 }
588
589 if (10 == loop) {
590 print_irqstatus(dev,loop,report,status);
591 if (report & SAA7134_IRQ_REPORT_PE) {
592 /* disable all parity error */
593 printk(KERN_WARNING "%s/irq: looping -- "
594 "clearing PE (parity error!) enable bit\n",dev->name);
595 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
0602fbb2
PM		 596 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
597 /* disable gpio16 IRQ */
1da177e4 598 printk(KERN_WARNING "%s/irq: looping -- "
0602fbb2
PM		 599 "clearing GPIO16 enable bit\n",dev->name);
600 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
601 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
602 /* disable gpio18 IRQs */
603 printk(KERN_WARNING "%s/irq: looping -- "
604 "clearing GPIO18 enable bit\n",dev->name);
605 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1da177e4
LT		 606 } else {
607 /* disable all irqs */
608 printk(KERN_WARNING "%s/irq: looping -- "
609 "clearing all enable bits\n",dev->name);
610 saa_writel(SAA7134_IRQ1,0);
611 saa_writel(SAA7134_IRQ2,0);
612 }
613 }
614
615 out:
616 return IRQ_RETVAL(handled);
617}
618
619/* ------------------------------------------------------------------ */
620
621/* early init (no i2c, no irq) */
cb71201f
ML		 622
623static int saa7134_hw_enable1(struct saa7134_dev *dev)
624{
625 /* RAM FIFO config */
626 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
627 saa_writel(SAA7134_THRESHOULD, 0x02020202);
628
629 /* enable audio + video processing */
630 saa_writel(SAA7134_MAIN_CTRL,
631 SAA7134_MAIN_CTRL_VPLLE |
632 SAA7134_MAIN_CTRL_APLLE |
633 SAA7134_MAIN_CTRL_EXOSC |
634 SAA7134_MAIN_CTRL_EVFE1 |
635 SAA7134_MAIN_CTRL_EVFE2 |
636 SAA7134_MAIN_CTRL_ESFE |
637 SAA7134_MAIN_CTRL_EBDAC);
638
639 /*
640 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
641 * OSS initialization writes to registers via the audio DSP; these
642 * writes will fail unless the audio clock has been started. At worst,
643 * audio will not work.
644 */
645
646 /* enable peripheral devices */
647 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
648
649 /* set vertical line numbering start (vbi needs this) */
650 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
651
652 return 0;
653}
654
1da177e4
LT		 655static int saa7134_hwinit1(struct saa7134_dev *dev)
656{
657 dprintk("hwinit1\n");
658
659 saa_writel(SAA7134_IRQ1, 0);
660 saa_writel(SAA7134_IRQ2, 0);
7ef5e025
AW		 661
662 /* Clear any stale IRQ reports */
663 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
664
3593cab5 665 mutex_init(&dev->lock);
1da177e4
LT		 666 spin_lock_init(&dev->slock);
667
668 saa7134_track_gpio(dev,"pre-init");
669 saa7134_video_init1(dev);
670 saa7134_vbi_init1(dev);
671 if (card_has_mpeg(dev))
672 saa7134_ts_init1(dev);
673 saa7134_input_init1(dev);
674
cb71201f 675 saa7134_hw_enable1(dev);
1da177e4
LT		 676
677 return 0;
678}
679
680/* late init (with i2c + irq) */
cb71201f 681static int saa7134_hw_enable2(struct saa7134_dev *dev)
1da177e4 682{
1da177e4 683
cb71201f 684 unsigned int irq2_mask;
1da177e4
LT		 685
686 /* enable IRQ's */
4ac97914 687 irq2_mask =
330a115a
MCC		 688 SAA7134_IRQ2_INTE_DEC3 |
689 SAA7134_IRQ2_INTE_DEC2 |
690 SAA7134_IRQ2_INTE_DEC1 |
691 SAA7134_IRQ2_INTE_DEC0 |
692 SAA7134_IRQ2_INTE_PE |
693 SAA7134_IRQ2_INTE_AR;
694
7a766f9d 695 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
0602fbb2
PM		 696 if (dev->remote->mask_keydown & 0x10000)
697 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
698 else if (dev->remote->mask_keydown & 0x40000)
699 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
700 else if (dev->remote->mask_keyup & 0x40000)
701 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
702 }
330a115a 703
3de2ed12
DB		 704 if (dev->has_remote == SAA7134_REMOTE_I2C) {
705 request_module("ir-kbd-i2c");
706 }
707
1da177e4 708 saa_writel(SAA7134_IRQ1, 0);
330a115a 709 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 710
711 return 0;
712}
713
cb71201f
ML		 714static int saa7134_hwinit2(struct saa7134_dev *dev)
715{
716
717 dprintk("hwinit2\n");
718
719 saa7134_video_init2(dev);
720 saa7134_tvaudio_init2(dev);
721
722 saa7134_hw_enable2(dev);
723
724 return 0;
725}
726
727
1da177e4
LT		 728/* shutdown */
729static int saa7134_hwfini(struct saa7134_dev *dev)
730{
731 dprintk("hwfini\n");
732
1da177e4
LT		 733 if (card_has_mpeg(dev))
734 saa7134_ts_fini(dev);
735 saa7134_input_fini(dev);
736 saa7134_vbi_fini(dev);
1da177e4
LT		 737 saa7134_tvaudio_fini(dev);
738 return 0;
739}
740
741static void __devinit must_configure_manually(void)
742{
743 unsigned int i,p;
744
745 printk(KERN_WARNING
746 "saa7134: <rant>\n"
747 "saa7134: Congratulations! Your TV card vendor saved a few\n"
748 "saa7134: cents for a eeprom, thus your pci board has no\n"
749 "saa7134: subsystem ID and I can't identify it automatically\n"
750 "saa7134: </rant>\n"
751 "saa7134: I feel better now. Ok, here are the good news:\n"
752 "saa7134: You can use the card=<nr> insmod option to specify\n"
753 "saa7134: which board do you have. The list:\n");
754 for (i = 0; i < saa7134_bcount; i++) {
755 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
756 i,saa7134_boards[i].name);
757 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
758 if (saa7134_pci_tbl[p].driver_data != i)
759 continue;
760 printk(" %04x:%04x",
761 saa7134_pci_tbl[p].subvendor,
762 saa7134_pci_tbl[p].subdevice);
763 }
764 printk("\n");
765 }
766}
767
768static struct video_device *vdev_init(struct saa7134_dev *dev,
769 struct video_device *template,
770 char *type)
771{
772 struct video_device *vfd;
773
774 vfd = video_device_alloc();
775 if (NULL == vfd)
776 return NULL;
777 *vfd = *template;
b8ced134 778 vfd->v4l2_dev = &dev->v4l2_dev;
1da177e4 779 vfd->release = video_device_release;
8c85454a 780 vfd->debug = video_debug;
1da177e4
LT		 781 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
782 dev->name, type, saa7134_boards[dev->board].name);
783 return vfd;
784}
785
786static void saa7134_unregister_video(struct saa7134_dev *dev)
787{
788 if (dev->video_dev) {
789 if (-1 != dev->video_dev->minor)
790 video_unregister_device(dev->video_dev);
791 else
792 video_device_release(dev->video_dev);
793 dev->video_dev = NULL;
794 }
795 if (dev->vbi_dev) {
796 if (-1 != dev->vbi_dev->minor)
797 video_unregister_device(dev->vbi_dev);
798 else
799 video_device_release(dev->vbi_dev);
800 dev->vbi_dev = NULL;
801 }
802 if (dev->radio_dev) {
803 if (-1 != dev->radio_dev->minor)
804 video_unregister_device(dev->radio_dev);
805 else
806 video_device_release(dev->radio_dev);
807 dev->radio_dev = NULL;
808 }
809}
810
811static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
812 struct saa7134_dev *dev)
813{
814 int err;
815
816 if (NULL != dev->mops)
817 return;
818 if (saa7134_boards[dev->board].mpeg != ops->type)
819 return;
820 err = ops->init(dev);
821 if (0 != err)
822 return;
823 dev->mops = ops;
824}
825
826static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
827 struct saa7134_dev *dev)
828{
829 if (NULL == dev->mops)
830 return;
831 if (dev->mops != ops)
832 return;
833 dev->mops->fini(dev);
834 dev->mops = NULL;
835}
836
837static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
838 const struct pci_device_id *pci_id)
839{
840 struct saa7134_dev *dev;
1da177e4
LT		 841 struct saa7134_mpeg_ops *mops;
842 int err;
843
a4df8e1d
AM		 844 if (saa7134_devcount == SAA7134_MAXBOARDS)
845 return -ENOMEM;
846
7408187d 847 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1da177e4
LT		 848 if (NULL == dev)
849 return -ENOMEM;
1da177e4 850
fac6986c
HV		 851 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
852 if (err)
853 goto fail0;
854
1da177e4
LT		 855 /* pci init */
856 dev->pci = pci_dev;
857 if (pci_enable_device(pci_dev)) {
858 err = -EIO;
859 goto fail1;
860 }
861
862 dev->nr = saa7134_devcount;
863 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
864
865 /* pci quirks */
866 if (pci_pci_problems) {
867 if (pci_pci_problems & PCIPCI_TRITON)
868 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
869 if (pci_pci_problems & PCIPCI_NATOMA)
870 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
871 if (pci_pci_problems & PCIPCI_VIAETBF)
872 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
873 if (pci_pci_problems & PCIPCI_VSFX)
874 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
875#ifdef PCIPCI_ALIMAGIK
876 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
877 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
878 dev->name);
879 latency = 0x0A;
880 }
881#endif
3d265c96 882 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
9050d942
MCC		 883 printk(KERN_INFO "%s: quirk: this driver and your "
884 "chipset may not work together"
885 " in overlay mode.\n",dev->name);
ecb73774 886 if (!saa7134_no_overlay) {
9050d942
MCC		 887 printk(KERN_INFO "%s: quirk: overlay "
888 "mode will be disabled.\n",
889 dev->name);
ecb73774 890 saa7134_no_overlay = 1;
9050d942
MCC		 891 } else {
892 printk(KERN_INFO "%s: quirk: overlay "
893 "mode will be forced. Use this"
894 " option at your own risk.\n",
895 dev->name);
896 }
897 }
1da177e4
LT		 898 }
899 if (UNSET != latency) {
900 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
901 dev->name,latency);
902 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
903 }
904
905 /* print pci info */
906 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
4ac97914
MCC		 907 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
908 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
228aef63 909 "latency: %d, mmio: 0x%llx\n", dev->name,
1da177e4 910 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
228aef63 911 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4 912 pci_set_master(pci_dev);
284901a9 913 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
1da177e4
LT		 914 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
915 err = -EIO;
916 goto fail1;
917 }
918
919 /* board config */
920 dev->board = pci_id->driver_data;
921 if (card[dev->nr] >= 0 &&
922 card[dev->nr] < saa7134_bcount)
923 dev->board = card[dev->nr];
924 if (SAA7134_BOARD_NOAUTO == dev->board) {
925 must_configure_manually();
926 dev->board = SAA7134_BOARD_UNKNOWN;
927 }
a75ec3f0 928 dev->autodetected = card[dev->nr] != dev->board;
d53687d1
SA		 929 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
930 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
fac6986c
HV		 931 dev->radio_type = saa7134_boards[dev->board].radio_type;
932 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1da177e4
LT		 933 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
934 if (UNSET != tuner[dev->nr])
935 dev->tuner_type = tuner[dev->nr];
d53687d1 936 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
a75ec3f0
HH		 937 dev->name,pci_dev->subsystem_vendor,
938 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
939 dev->board, dev->autodetected ?
940 "autodetected" : "insmod option");
1da177e4
LT		 941
942 /* get mmio */
943 if (!request_mem_region(pci_resource_start(pci_dev,0),
944 pci_resource_len(pci_dev,0),
945 dev->name)) {
946 err = -EBUSY;
228aef63
GKH		 947 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
948 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4
LT		 949 goto fail1;
950 }
d522af58
SS		 951 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
952 pci_resource_len(pci_dev, 0));
1da177e4
LT		 953 dev->bmmio = (__u8 __iomem *)dev->lmmio;
954 if (NULL == dev->lmmio) {
955 err = -EIO;
956 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
957 dev->name);
958 goto fail2;
959 }
960
961 /* initialize hardware #1 */
1da177e4
LT		 962 saa7134_board_init1(dev);
963 saa7134_hwinit1(dev);
964
965 /* get irq */
966 err = request_irq(pci_dev->irq, saa7134_irq,
8076fe32 967 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1da177e4
LT		 968 if (err < 0) {
969 printk(KERN_ERR "%s: can't get IRQ %d\n",
970 dev->name,pci_dev->irq);
971 goto fail3;
972 }
973
974 /* wait a bit, register i2c bus */
975 msleep(100);
976 saa7134_i2c_register(dev);
1da177e4 977 saa7134_board_init2(dev);
c030f5e6 978
1da177e4
LT		 979 saa7134_hwinit2(dev);
980
981 /* load i2c helpers */
4ac97914 982 if (card_is_empress(dev)) {
fac6986c 983 struct v4l2_subdev *sd =
e6574f2f 984 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
195784b8
HV		 985 "saa6752hs", "saa6752hs",
986 saa7134_boards[dev->board].empress_addr);
fac6986c
HV		 987
988 if (sd)
989 sd->grp_id = GRP_EMPRESS;
1da177e4 990 }
330a115a 991
2983baf8 992 if (saa7134_boards[dev->board].rds_addr) {
2983baf8
HV		 993 struct v4l2_subdev *sd;
994
1792f68b
HV		 995 sd = v4l2_i2c_new_probed_subdev_addr(&dev->v4l2_dev,
996 &dev->i2c_adap, "saa6588", "saa6588",
997 saa7134_boards[dev->board].rds_addr);
2983baf8
HV		 998 if (sd)
999 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
1000 }
1001
4217e252 1002 request_submodules(dev);
b54134be 1003
1da177e4
LT		 1004 v4l2_prio_init(&dev->prio);
1005
befd6e64
MCC		 1006 mutex_lock(&saa7134_devlist_lock);
1007 list_for_each_entry(mops, &mops_list, next)
1008 mpeg_ops_attach(mops, dev);
1009 list_add_tail(&dev->devlist, &saa7134_devlist);
1010 mutex_unlock(&saa7134_devlist_lock);
1011
1012 /* check for signal */
1013 saa7134_irq_video_signalchange(dev);
1014
1015 if (TUNER_ABSENT != dev->tuner_type)
7c9fc9d5 1016 saa_call_all(dev, tuner, s_standby);
befd6e64 1017
1da177e4 1018 /* register v4l devices */
0ea6bc8d
HV		 1019 if (saa7134_no_overlay > 0)
1020 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1021
1da177e4
LT		 1022 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1023 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1024 video_nr[dev->nr]);
1025 if (err < 0) {
1026 printk(KERN_INFO "%s: can't register video device\n",
1027 dev->name);
1028 goto fail4;
1029 }
1030 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
c6330fb8 1031 dev->name, dev->video_dev->num);
1da177e4 1032
a9622391 1033 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
a9622391 1034
1da177e4
LT		 1035 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1036 vbi_nr[dev->nr]);
1037 if (err < 0)
1038 goto fail4;
1039 printk(KERN_INFO "%s: registered device vbi%d\n",
c6330fb8 1040 dev->name, dev->vbi_dev->num);
1da177e4
LT		 1041
1042 if (card_has_radio(dev)) {
1043 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1044 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1045 radio_nr[dev->nr]);
1046 if (err < 0)
1047 goto fail4;
1048 printk(KERN_INFO "%s: registered device radio%d\n",
c6330fb8 1049 dev->name, dev->radio_dev->num);
1da177e4
LT		 1050 }
1051
1da177e4 1052 /* everything worked */
1da177e4
LT		 1053 saa7134_devcount++;
1054
befd6e64 1055 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
78457018 1056 saa7134_dmasound_init(dev);
80d35237 1057
1da177e4
LT		 1058 return 0;
1059
1da177e4
LT		 1060 fail4:
1061 saa7134_unregister_video(dev);
1062 saa7134_i2c_unregister(dev);
1063 free_irq(pci_dev->irq, dev);
1064 fail3:
1065 saa7134_hwfini(dev);
1066 iounmap(dev->lmmio);
1067 fail2:
1068 release_mem_region(pci_resource_start(pci_dev,0),
1069 pci_resource_len(pci_dev,0));
1070 fail1:
fac6986c
HV		 1071 v4l2_device_unregister(&dev->v4l2_dev);
1072 fail0:
1da177e4
LT		 1073 kfree(dev);
1074 return err;
1075}
1076
1077static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1078{
fac6986c
HV		 1079 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1080 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1da177e4
LT		 1081 struct saa7134_mpeg_ops *mops;
1082
f5b974cb 1083 /* Release DMA sound modules if present */
78457018
AB		 1084 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1085 saa7134_dmasound_exit(dev);
f5b974cb
RC		 1086 }
1087
1da177e4
LT		 1088 /* debugging ... */
1089 if (irq_debug) {
1090 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1091 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1092 print_irqstatus(dev,42,report,status);
1093 }
1094
1095 /* disable peripheral devices */
1096 saa_writeb(SAA7134_SPECIAL_MODE,0);
1097
1098 /* shutdown hardware */
1099 saa_writel(SAA7134_IRQ1,0);
1100 saa_writel(SAA7134_IRQ2,0);
1101 saa_writel(SAA7134_MAIN_CTRL,0);
1102
1103 /* shutdown subsystems */
1104 saa7134_hwfini(dev);
1105
1106 /* unregister */
befd6e64 1107 mutex_lock(&saa7134_devlist_lock);
1da177e4 1108 list_del(&dev->devlist);
6d28e989 1109 list_for_each_entry(mops, &mops_list, next)
1da177e4 1110 mpeg_ops_detach(mops, dev);
befd6e64 1111 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1112 saa7134_devcount--;
1113
1114 saa7134_i2c_unregister(dev);
1da177e4
LT		 1115 saa7134_unregister_video(dev);
1116
f5b974cb 1117
4aabf633
RC		 1118 /* the DMA sound modules should be unloaded before reaching
1119 this, but just in case they are still present... */
1120 if (dev->dmasound.priv_data != NULL) {
1121 free_irq(pci_dev->irq, &dev->dmasound);
1122 dev->dmasound.priv_data = NULL;
1123 }
1124
f5b974cb 1125
4aabf633 1126 /* release resources */
1da177e4
LT		 1127 free_irq(pci_dev->irq, dev);
1128 iounmap(dev->lmmio);
1129 release_mem_region(pci_resource_start(pci_dev,0),
1130 pci_resource_len(pci_dev,0));
1131
fac6986c
HV		 1132
1133 v4l2_device_unregister(&dev->v4l2_dev);
1da177e4
LT		 1134
1135 /* free memory */
1136 kfree(dev);
1137}
1138
c458473e 1139#ifdef CONFIG_PM
05d26cc8
AB		 1140
1141/* resends a current buffer in queue after resume */
1142static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1143 struct saa7134_dmaqueue *q)
1144{
1145 struct saa7134_buf *buf, *next;
1146
1147 assert_spin_locked(&dev->slock);
1148
1149 buf = q->curr;
1150 next = buf;
1151 dprintk("buffer_requeue\n");
1152
1153 if (!buf)
1154 return 0;
1155
1156 dprintk("buffer_requeue : resending active buffers \n");
1157
1158 if (!list_empty(&q->queue))
1159 next = list_entry(q->queue.next, struct saa7134_buf,
1160 vb.queue);
1161 buf->activate(dev, buf, next);
1162
1163 return 0;
1164}
1165
cb71201f
ML		 1166static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1167{
fac6986c
HV		 1168 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1169 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
cb71201f 1170
acd827d6
ML		 1171 /* disable overlay - apps should enable it explicitly on resume*/
1172 dev->ovenable = 0;
1173
1174 /* Disable interrupts, DMA, and rest of the chip*/
cb71201f
ML		 1175 saa_writel(SAA7134_IRQ1, 0);
1176 saa_writel(SAA7134_IRQ2, 0);
acd827d6 1177 saa_writel(SAA7134_MAIN_CTRL, 0);
cb71201f 1178
c458473e 1179 dev->insuspend = 1;
3203cb86
ML		 1180 synchronize_irq(pci_dev->irq);
1181
1182 /* ACK interrupts once more, just in case,
1183 since the IRQ handler won't ack them anymore*/
1184
1185 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
c458473e
ML		 1186
1187 /* Disable timeout timers - if we have active buffers, we will
1188 fill them on resume*/
1189
1190 del_timer(&dev->video_q.timeout);
1191 del_timer(&dev->vbi_q.timeout);
1192 del_timer(&dev->ts_q.timeout);
f40aa808
MS		 1193
1194 if (dev->remote)
1195 saa7134_ir_stop(dev);
c458473e 1196
cb71201f 1197 pci_save_state(pci_dev);
0d65cd4f 1198 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
cb71201f 1199
0d65cd4f 1200 return 0;
cb71201f
ML		 1201}
1202
1203static int saa7134_resume(struct pci_dev *pci_dev)
1204{
fac6986c
HV		 1205 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1206 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
a3c53e23 1207 unsigned long flags;
cb71201f 1208
cb71201f 1209 pci_set_power_state(pci_dev, PCI_D0);
0d65cd4f 1210 pci_restore_state(pci_dev);
cb71201f
ML		 1211
1212 /* Do things that are done in saa7134_initdev ,
1213 except of initializing memory structures.*/
1214
1215 saa7134_board_init1(dev);
1216
c458473e 1217 /* saa7134_hwinit1 */
cb71201f
ML		 1218 if (saa7134_boards[dev->board].video_out)
1219 saa7134_videoport_init(dev);
cb71201f
ML		 1220 if (card_has_mpeg(dev))
1221 saa7134_ts_init_hw(dev);
c458473e
ML		 1222 if (dev->remote)
1223 saa7134_ir_start(dev, dev->remote);
cb71201f 1224 saa7134_hw_enable1(dev);
c458473e 1225
5c01203f 1226 msleep(100);
c458473e 1227
cb71201f 1228 saa7134_board_init2(dev);
cb71201f 1229
c458473e
ML		 1230 /*saa7134_hwinit2*/
1231 saa7134_set_tvnorm_hw(dev);
cb71201f 1232 saa7134_tvaudio_setmute(dev);
cb71201f 1233 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
f36224d3 1234 saa7134_tvaudio_init(dev);
c458473e 1235 saa7134_tvaudio_do_scan(dev);
cb71201f 1236 saa7134_enable_i2s(dev);
c458473e 1237 saa7134_hw_enable2(dev);
cb71201f 1238
5c01203f
ML		 1239 saa7134_irq_video_signalchange(dev);
1240
acd827d6
ML		 1241 /*resume unfinished buffer(s)*/
1242 spin_lock_irqsave(&dev->slock, flags);
cb71201f
ML		 1243 saa7134_buffer_requeue(dev, &dev->video_q);
1244 saa7134_buffer_requeue(dev, &dev->vbi_q);
1245 saa7134_buffer_requeue(dev, &dev->ts_q);
1246
c458473e
ML		 1247 /* FIXME: Disable DMA audio sound - temporary till proper support
1248 is implemented*/
1249
1250 dev->dmasound.dma_running = 0;
1251
acd827d6 1252 /* start DMA now*/
c458473e 1253 dev->insuspend = 0;
3203cb86 1254 smp_wmb();
acd827d6
ML		 1255 saa7134_set_dmabits(dev);
1256 spin_unlock_irqrestore(&dev->slock, flags);
1257
cb71201f
ML		 1258 return 0;
1259}
c458473e 1260#endif
cb71201f 1261
1da177e4
LT		 1262/* ----------------------------------------------------------- */
1263
1264int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1265{
1da177e4
LT		 1266 struct saa7134_dev *dev;
1267
befd6e64 1268 mutex_lock(&saa7134_devlist_lock);
6d28e989 1269 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1270 mpeg_ops_attach(ops, dev);
1da177e4 1271 list_add_tail(&ops->next,&mops_list);
befd6e64 1272 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1273 return 0;
1274}
1275
1276void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1277{
1da177e4
LT		 1278 struct saa7134_dev *dev;
1279
befd6e64 1280 mutex_lock(&saa7134_devlist_lock);
1da177e4 1281 list_del(&ops->next);
6d28e989 1282 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1283 mpeg_ops_detach(ops, dev);
befd6e64 1284 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1285}
1286
1287EXPORT_SYMBOL(saa7134_ts_register);
1288EXPORT_SYMBOL(saa7134_ts_unregister);
1289
1290/* ----------------------------------------------------------- */
1291
1292static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1293 .name = "saa7134",
1294 .id_table = saa7134_pci_tbl,
1295 .probe = saa7134_initdev,
1296 .remove = __devexit_p(saa7134_finidev),
c458473e 1297#ifdef CONFIG_PM
cb71201f
ML		 1298 .suspend = saa7134_suspend,
1299 .resume = saa7134_resume
c458473e 1300#endif
1da177e4
LT		 1301};
1302
1303static int saa7134_init(void)
1304{
1305 INIT_LIST_HEAD(&saa7134_devlist);
1306 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1307 (SAA7134_VERSION_CODE >> 16) & 0xff,
1308 (SAA7134_VERSION_CODE >> 8) & 0xff,
1309 SAA7134_VERSION_CODE & 0xff);
1310#ifdef SNAPSHOT
1311 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1312 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1313#endif
2304759d 1314 return pci_register_driver(&saa7134_pci_driver);
1da177e4
LT		 1315}
1316
1317static void saa7134_fini(void)
1318{
1da177e4
LT		 1319 pci_unregister_driver(&saa7134_pci_driver);
1320}
1321
1322module_init(saa7134_init);
1323module_exit(saa7134_fini);
1324
1325/* ----------------------------------------------------------- */
1326
58ef4f92 1327EXPORT_SYMBOL(saa7134_set_gpio);
1da177e4
LT		 1328EXPORT_SYMBOL(saa7134_boards);
1329
4aabf633 1330/* ----------------- for the DMA sound modules --------------- */
79dd0c69 1331
78457018
AB		 1332EXPORT_SYMBOL(saa7134_dmasound_init);
1333EXPORT_SYMBOL(saa7134_dmasound_exit);
79dd0c69
RC		 1334EXPORT_SYMBOL(saa7134_pgtable_free);
1335EXPORT_SYMBOL(saa7134_pgtable_build);
1336EXPORT_SYMBOL(saa7134_pgtable_alloc);
1337EXPORT_SYMBOL(saa7134_set_dmabits);
1338
1da177e4
LT		 1339/* ----------------------------------------------------------- */
1340/*
1341 * Local variables:
1342 * c-basic-offset: 8
1343 * End:
1344 */
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