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ioc4: use static work_struct for ioc4_load_modules()
[mirror_ubuntu-artful-kernel.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 257
0e0809a5 258 videobuf_waiton(q, &buf->vb, 0, 0);
95268403 259 videobuf_dma_unmap(q->dev, dma);
c1accaa2 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);
6b6b7543
DB		 334
335 if (card_has_mpeg(dev))
336 if (dev->ts_started)
337 saa7134_ts_stop(dev);
1da177e4
LT		 338 }
339}
340
341void saa7134_buffer_timeout(unsigned long data)
342{
343 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
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 dprintk("timeout on %p\n",q->curr);
0fc0686e 358 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
1da177e4
LT		 359 }
360 saa7134_buffer_next(dev,q);
361 spin_unlock_irqrestore(&dev->slock,flags);
362}
363
364/* ------------------------------------------------------------------ */
365
366int saa7134_set_dmabits(struct saa7134_dev *dev)
367{
368 u32 split, task=0, ctrl=0, irq=0;
369 enum v4l2_field cap = V4L2_FIELD_ANY;
370 enum v4l2_field ov = V4L2_FIELD_ANY;
371
372 assert_spin_locked(&dev->slock);
373
c458473e 374 if (dev->insuspend)
acd827d6
ML		 375 return 0;
376
1da177e4
LT		 377 /* video capture -- dma 0 + video task A */
378 if (dev->video_q.curr) {
379 task |= 0x01;
380 ctrl |= SAA7134_MAIN_CTRL_TE0;
381 irq |= SAA7134_IRQ1_INTE_RA0_1 |
382 SAA7134_IRQ1_INTE_RA0_0;
4ac97914 383 cap = dev->video_q.curr->vb.field;
1da177e4
LT		 384 }
385
386 /* video capture -- dma 1+2 (planar modes) */
387 if (dev->video_q.curr &&
388 dev->video_q.curr->fmt->planar) {
389 ctrl |= SAA7134_MAIN_CTRL_TE4 |
390 SAA7134_MAIN_CTRL_TE5;
391 }
392
393 /* screen overlay -- dma 0 + video task B */
394 if (dev->ovenable) {
395 task |= 0x10;
396 ctrl |= SAA7134_MAIN_CTRL_TE1;
397 ov = dev->ovfield;
398 }
399
400 /* vbi capture -- dma 0 + vbi task A+B */
401 if (dev->vbi_q.curr) {
402 task |= 0x22;
403 ctrl |= SAA7134_MAIN_CTRL_TE2 |
404 SAA7134_MAIN_CTRL_TE3;
405 irq |= SAA7134_IRQ1_INTE_RA0_7 |
406 SAA7134_IRQ1_INTE_RA0_6 |
407 SAA7134_IRQ1_INTE_RA0_5 |
408 SAA7134_IRQ1_INTE_RA0_4;
409 }
410
411 /* audio capture -- dma 3 */
b54134be 412 if (dev->dmasound.dma_running) {
1da177e4
LT		 413 ctrl |= SAA7134_MAIN_CTRL_TE6;
414 irq |= SAA7134_IRQ1_INTE_RA3_1 |
415 SAA7134_IRQ1_INTE_RA3_0;
416 }
417
418 /* TS capture -- dma 5 */
419 if (dev->ts_q.curr) {
420 ctrl |= SAA7134_MAIN_CTRL_TE5;
8809b9cc 421 irq |= SAA7134_IRQ1_INTE_RA2_1 |
1da177e4
LT		 422 SAA7134_IRQ1_INTE_RA2_0;
423 }
424
425 /* set task conditions + field handling */
426 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
427 /* default config -- use full frames */
428 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
429 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
430 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
431 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
432 split = 0;
433 } else {
434 /* split fields between tasks */
435 if (V4L2_FIELD_TOP == cap) {
436 /* odd A, even B, repeat */
437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
438 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
439 } else {
440 /* odd B, even A, repeat */
441 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
442 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
443 }
444 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
445 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
446 split = 1;
447 }
448
449 /* irqs */
450 saa_writeb(SAA7134_REGION_ENABLE, task);
451 saa_writel(SAA7134_IRQ1, irq);
452 saa_andorl(SAA7134_MAIN_CTRL,
453 SAA7134_MAIN_CTRL_TE0 |
454 SAA7134_MAIN_CTRL_TE1 |
455 SAA7134_MAIN_CTRL_TE2 |
456 SAA7134_MAIN_CTRL_TE3 |
457 SAA7134_MAIN_CTRL_TE4 |
458 SAA7134_MAIN_CTRL_TE5 |
459 SAA7134_MAIN_CTRL_TE6,
460 ctrl);
461 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
462 task, ctrl, irq, split ? "no" : "yes");
463
464 return 0;
465}
466
467/* ------------------------------------------------------------------ */
468/* IRQ handler + helpers */
469
470static char *irqbits[] = {
471 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
472 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
473 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
3629e1da 474 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
1da177e4
LT		 475};
476#define IRQBITS ARRAY_SIZE(irqbits)
477
478static void print_irqstatus(struct saa7134_dev *dev, int loop,
479 unsigned long report, unsigned long status)
480{
481 unsigned int i;
482
483 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
484 dev->name,loop,jiffies,report,status);
485 for (i = 0; i < IRQBITS; i++) {
486 if (!(report & (1 << i)))
487 continue;
488 printk(" %s",irqbits[i]);
489 }
490 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
491 printk(" | RA0=%s,%s,%s,%ld",
492 (status & 0x40) ? "vbi" : "video",
493 (status & 0x20) ? "b" : "a",
494 (status & 0x10) ? "odd" : "even",
495 (status & 0x0f));
496 }
497 printk("\n");
498}
499
7d12e780 500static irqreturn_t saa7134_irq(int irq, void *dev_id)
1da177e4
LT		 501{
502 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
503 unsigned long report,status;
504 int loop, handled = 0;
505
c458473e
ML		 506 if (dev->insuspend)
507 goto out;
508
1da177e4
LT		 509 for (loop = 0; loop < 10; loop++) {
510 report = saa_readl(SAA7134_IRQ_REPORT);
511 status = saa_readl(SAA7134_IRQ_STATUS);
79dd0c69 512
843b1378
HL		 513 /* If dmasound support is active and we get a sound report,
514 * mask out the report and let the saa7134-alsa module deal
515 * with it */
4aabf633
RC		 516 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
517 (dev->dmasound.priv_data != NULL) )
518 {
79dd0c69 519 if (irq_debug > 1)
843b1378
HL		 520 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
521 dev->name);
522 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
523 }
524
525 if (0 == report) {
526 if (irq_debug > 1)
527 printk(KERN_DEBUG "%s/irq: no (more) work\n",
79dd0c69
RC		 528 dev->name);
529 goto out;
530 }
531
1da177e4
LT		 532 handled = 1;
533 saa_writel(SAA7134_IRQ_REPORT,report);
534 if (irq_debug)
535 print_irqstatus(dev,loop,report,status);
536
1da177e4 537
11f7078c
ML		 538 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
539 (report & SAA7134_IRQ_REPORT_INTL))
540 saa7134_irq_video_signalchange(dev);
541
1da177e4
LT		 542
543 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
544 (status & 0x60) == 0)
545 saa7134_irq_video_done(dev,status);
546
547 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
548 (status & 0x40) == 0x40)
549 saa7134_irq_vbi_done(dev,status);
550
551 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
552 card_has_mpeg(dev))
553 saa7134_irq_ts_done(dev,status);
554
0602fbb2
PM		 555 if (report & SAA7134_IRQ_REPORT_GPIO16) {
556 switch (dev->has_remote) {
557 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 558 if (!dev->remote)
559 break;
0602fbb2
PM		 560 if (dev->remote->mask_keydown & 0x10000) {
561 saa7134_input_irq(dev);
562 }
563 break;
564
565 case SAA7134_REMOTE_I2C:
566 break; /* FIXME: invoke I2C get_key() */
567
568 default: /* GPIO16 not used by IR remote */
569 break;
570 }
571 }
bd15eba3 572
0602fbb2
PM		 573 if (report & SAA7134_IRQ_REPORT_GPIO18) {
574 switch (dev->has_remote) {
575 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 576 if (!dev->remote)
577 break;
0602fbb2
PM		 578 if ((dev->remote->mask_keydown & 0x40000) ||
579 (dev->remote->mask_keyup & 0x40000)) {
580 saa7134_input_irq(dev);
581 }
582 break;
583
584 case SAA7134_REMOTE_I2C:
585 break; /* FIXME: invoke I2C get_key() */
586
587 default: /* GPIO18 not used by IR remote */
588 break;
589 }
590 }
1da177e4
LT		 591 }
592
593 if (10 == loop) {
594 print_irqstatus(dev,loop,report,status);
595 if (report & SAA7134_IRQ_REPORT_PE) {
596 /* disable all parity error */
597 printk(KERN_WARNING "%s/irq: looping -- "
598 "clearing PE (parity error!) enable bit\n",dev->name);
599 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
0602fbb2
PM		 600 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
601 /* disable gpio16 IRQ */
1da177e4 602 printk(KERN_WARNING "%s/irq: looping -- "
0602fbb2 603 "clearing GPIO16 enable bit\n",dev->name);
3629e1da
MCC		 604 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
605 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
0602fbb2
PM		 606 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
607 /* disable gpio18 IRQs */
608 printk(KERN_WARNING "%s/irq: looping -- "
609 "clearing GPIO18 enable bit\n",dev->name);
3629e1da
MCC		 610 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
611 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
1da177e4
LT		 612 } else {
613 /* disable all irqs */
614 printk(KERN_WARNING "%s/irq: looping -- "
615 "clearing all enable bits\n",dev->name);
616 saa_writel(SAA7134_IRQ1,0);
617 saa_writel(SAA7134_IRQ2,0);
618 }
619 }
620
621 out:
622 return IRQ_RETVAL(handled);
623}
624
625/* ------------------------------------------------------------------ */
626
627/* early init (no i2c, no irq) */
cb71201f
ML		 628
629static int saa7134_hw_enable1(struct saa7134_dev *dev)
630{
631 /* RAM FIFO config */
632 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
633 saa_writel(SAA7134_THRESHOULD, 0x02020202);
634
635 /* enable audio + video processing */
636 saa_writel(SAA7134_MAIN_CTRL,
637 SAA7134_MAIN_CTRL_VPLLE |
638 SAA7134_MAIN_CTRL_APLLE |
639 SAA7134_MAIN_CTRL_EXOSC |
640 SAA7134_MAIN_CTRL_EVFE1 |
641 SAA7134_MAIN_CTRL_EVFE2 |
642 SAA7134_MAIN_CTRL_ESFE |
643 SAA7134_MAIN_CTRL_EBDAC);
644
645 /*
646 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
647 * OSS initialization writes to registers via the audio DSP; these
648 * writes will fail unless the audio clock has been started. At worst,
649 * audio will not work.
650 */
651
652 /* enable peripheral devices */
653 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
654
655 /* set vertical line numbering start (vbi needs this) */
656 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
657
658 return 0;
659}
660
1da177e4
LT		 661static int saa7134_hwinit1(struct saa7134_dev *dev)
662{
663 dprintk("hwinit1\n");
664
665 saa_writel(SAA7134_IRQ1, 0);
666 saa_writel(SAA7134_IRQ2, 0);
7ef5e025
AW		 667
668 /* Clear any stale IRQ reports */
669 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
670
3593cab5 671 mutex_init(&dev->lock);
1da177e4
LT		 672 spin_lock_init(&dev->slock);
673
674 saa7134_track_gpio(dev,"pre-init");
675 saa7134_video_init1(dev);
676 saa7134_vbi_init1(dev);
677 if (card_has_mpeg(dev))
678 saa7134_ts_init1(dev);
679 saa7134_input_init1(dev);
680
cb71201f 681 saa7134_hw_enable1(dev);
1da177e4
LT		 682
683 return 0;
684}
685
686/* late init (with i2c + irq) */
cb71201f 687static int saa7134_hw_enable2(struct saa7134_dev *dev)
1da177e4 688{
1da177e4 689
cb71201f 690 unsigned int irq2_mask;
1da177e4
LT		 691
692 /* enable IRQ's */
4ac97914 693 irq2_mask =
330a115a
MCC		 694 SAA7134_IRQ2_INTE_DEC3 |
695 SAA7134_IRQ2_INTE_DEC2 |
696 SAA7134_IRQ2_INTE_DEC1 |
697 SAA7134_IRQ2_INTE_DEC0 |
698 SAA7134_IRQ2_INTE_PE |
699 SAA7134_IRQ2_INTE_AR;
700
7a766f9d 701 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
0602fbb2 702 if (dev->remote->mask_keydown & 0x10000)
3629e1da 703 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
bdf1c98e
MCC		 704 else { /* Allow enabling both IRQ edge triggers */
705 if (dev->remote->mask_keydown & 0x40000)
706 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
707 if (dev->remote->mask_keyup & 0x40000)
708 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
709 }
0602fbb2 710 }
330a115a 711
3de2ed12
DB		 712 if (dev->has_remote == SAA7134_REMOTE_I2C) {
713 request_module("ir-kbd-i2c");
714 }
715
1da177e4 716 saa_writel(SAA7134_IRQ1, 0);
330a115a 717 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 718
719 return 0;
720}
721
cb71201f
ML		 722static int saa7134_hwinit2(struct saa7134_dev *dev)
723{
724
725 dprintk("hwinit2\n");
726
727 saa7134_video_init2(dev);
728 saa7134_tvaudio_init2(dev);
729
730 saa7134_hw_enable2(dev);
731
732 return 0;
733}
734
735
1da177e4
LT		 736/* shutdown */
737static int saa7134_hwfini(struct saa7134_dev *dev)
738{
739 dprintk("hwfini\n");
740
1da177e4
LT		 741 if (card_has_mpeg(dev))
742 saa7134_ts_fini(dev);
743 saa7134_input_fini(dev);
744 saa7134_vbi_fini(dev);
1da177e4
LT		 745 saa7134_tvaudio_fini(dev);
746 return 0;
747}
748
749static void __devinit must_configure_manually(void)
750{
751 unsigned int i,p;
752
753 printk(KERN_WARNING
754 "saa7134: <rant>\n"
755 "saa7134: Congratulations! Your TV card vendor saved a few\n"
756 "saa7134: cents for a eeprom, thus your pci board has no\n"
757 "saa7134: subsystem ID and I can't identify it automatically\n"
758 "saa7134: </rant>\n"
759 "saa7134: I feel better now. Ok, here are the good news:\n"
760 "saa7134: You can use the card=<nr> insmod option to specify\n"
761 "saa7134: which board do you have. The list:\n");
762 for (i = 0; i < saa7134_bcount; i++) {
763 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
764 i,saa7134_boards[i].name);
765 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
766 if (saa7134_pci_tbl[p].driver_data != i)
767 continue;
768 printk(" %04x:%04x",
769 saa7134_pci_tbl[p].subvendor,
770 saa7134_pci_tbl[p].subdevice);
771 }
772 printk("\n");
773 }
774}
775
776static struct video_device *vdev_init(struct saa7134_dev *dev,
777 struct video_device *template,
778 char *type)
779{
780 struct video_device *vfd;
781
782 vfd = video_device_alloc();
783 if (NULL == vfd)
784 return NULL;
785 *vfd = *template;
b8ced134 786 vfd->v4l2_dev = &dev->v4l2_dev;
1da177e4 787 vfd->release = video_device_release;
8c85454a 788 vfd->debug = video_debug;
1da177e4
LT		 789 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
790 dev->name, type, saa7134_boards[dev->board].name);
63b0d5ad 791 video_set_drvdata(vfd, dev);
1da177e4
LT		 792 return vfd;
793}
794
795static void saa7134_unregister_video(struct saa7134_dev *dev)
796{
797 if (dev->video_dev) {
f0813b4c 798 if (video_is_registered(dev->video_dev))
1da177e4
LT		 799 video_unregister_device(dev->video_dev);
800 else
801 video_device_release(dev->video_dev);
802 dev->video_dev = NULL;
803 }
804 if (dev->vbi_dev) {
f0813b4c 805 if (video_is_registered(dev->vbi_dev))
1da177e4
LT		 806 video_unregister_device(dev->vbi_dev);
807 else
808 video_device_release(dev->vbi_dev);
809 dev->vbi_dev = NULL;
810 }
811 if (dev->radio_dev) {
f0813b4c 812 if (video_is_registered(dev->radio_dev))
1da177e4
LT		 813 video_unregister_device(dev->radio_dev);
814 else
815 video_device_release(dev->radio_dev);
816 dev->radio_dev = NULL;
817 }
818}
819
820static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
821 struct saa7134_dev *dev)
822{
823 int err;
824
825 if (NULL != dev->mops)
826 return;
827 if (saa7134_boards[dev->board].mpeg != ops->type)
828 return;
829 err = ops->init(dev);
830 if (0 != err)
831 return;
832 dev->mops = ops;
833}
834
835static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
836 struct saa7134_dev *dev)
837{
838 if (NULL == dev->mops)
839 return;
840 if (dev->mops != ops)
841 return;
842 dev->mops->fini(dev);
843 dev->mops = NULL;
844}
845
846static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
847 const struct pci_device_id *pci_id)
848{
849 struct saa7134_dev *dev;
1da177e4
LT		 850 struct saa7134_mpeg_ops *mops;
851 int err;
852
a4df8e1d
AM		 853 if (saa7134_devcount == SAA7134_MAXBOARDS)
854 return -ENOMEM;
855
7408187d 856 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1da177e4
LT		 857 if (NULL == dev)
858 return -ENOMEM;
1da177e4 859
fac6986c
HV		 860 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
861 if (err)
862 goto fail0;
863
1da177e4
LT		 864 /* pci init */
865 dev->pci = pci_dev;
866 if (pci_enable_device(pci_dev)) {
867 err = -EIO;
868 goto fail1;
869 }
870
871 dev->nr = saa7134_devcount;
872 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
873
874 /* pci quirks */
875 if (pci_pci_problems) {
876 if (pci_pci_problems & PCIPCI_TRITON)
877 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
878 if (pci_pci_problems & PCIPCI_NATOMA)
879 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
880 if (pci_pci_problems & PCIPCI_VIAETBF)
881 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
882 if (pci_pci_problems & PCIPCI_VSFX)
883 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
884#ifdef PCIPCI_ALIMAGIK
885 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
886 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
887 dev->name);
888 latency = 0x0A;
889 }
890#endif
3d265c96 891 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
9050d942
MCC		 892 printk(KERN_INFO "%s: quirk: this driver and your "
893 "chipset may not work together"
894 " in overlay mode.\n",dev->name);
ecb73774 895 if (!saa7134_no_overlay) {
9050d942
MCC		 896 printk(KERN_INFO "%s: quirk: overlay "
897 "mode will be disabled.\n",
898 dev->name);
ecb73774 899 saa7134_no_overlay = 1;
9050d942
MCC		 900 } else {
901 printk(KERN_INFO "%s: quirk: overlay "
902 "mode will be forced. Use this"
903 " option at your own risk.\n",
904 dev->name);
905 }
906 }
1da177e4
LT		 907 }
908 if (UNSET != latency) {
909 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
910 dev->name,latency);
911 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
912 }
913
914 /* print pci info */
915 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
4ac97914
MCC		 916 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
917 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
228aef63 918 "latency: %d, mmio: 0x%llx\n", dev->name,
1da177e4 919 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
228aef63 920 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4 921 pci_set_master(pci_dev);
284901a9 922 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
1da177e4
LT		 923 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
924 err = -EIO;
925 goto fail1;
926 }
927
928 /* board config */
929 dev->board = pci_id->driver_data;
930 if (card[dev->nr] >= 0 &&
931 card[dev->nr] < saa7134_bcount)
932 dev->board = card[dev->nr];
933 if (SAA7134_BOARD_NOAUTO == dev->board) {
934 must_configure_manually();
935 dev->board = SAA7134_BOARD_UNKNOWN;
936 }
a75ec3f0 937 dev->autodetected = card[dev->nr] != dev->board;
d53687d1
SA		 938 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
939 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
fac6986c
HV		 940 dev->radio_type = saa7134_boards[dev->board].radio_type;
941 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1da177e4
LT		 942 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
943 if (UNSET != tuner[dev->nr])
944 dev->tuner_type = tuner[dev->nr];
d53687d1 945 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
a75ec3f0
HH		 946 dev->name,pci_dev->subsystem_vendor,
947 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
948 dev->board, dev->autodetected ?
949 "autodetected" : "insmod option");
1da177e4
LT		 950
951 /* get mmio */
952 if (!request_mem_region(pci_resource_start(pci_dev,0),
953 pci_resource_len(pci_dev,0),
954 dev->name)) {
955 err = -EBUSY;
228aef63
GKH		 956 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
957 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4
LT		 958 goto fail1;
959 }
d522af58
SS		 960 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
961 pci_resource_len(pci_dev, 0));
1da177e4
LT		 962 dev->bmmio = (__u8 __iomem *)dev->lmmio;
963 if (NULL == dev->lmmio) {
964 err = -EIO;
965 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
966 dev->name);
967 goto fail2;
968 }
969
970 /* initialize hardware #1 */
1da177e4
LT		 971 saa7134_board_init1(dev);
972 saa7134_hwinit1(dev);
973
974 /* get irq */
975 err = request_irq(pci_dev->irq, saa7134_irq,
8076fe32 976 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1da177e4
LT		 977 if (err < 0) {
978 printk(KERN_ERR "%s: can't get IRQ %d\n",
979 dev->name,pci_dev->irq);
980 goto fail3;
981 }
982
983 /* wait a bit, register i2c bus */
984 msleep(100);
985 saa7134_i2c_register(dev);
1da177e4 986 saa7134_board_init2(dev);
c030f5e6 987
1da177e4
LT		 988 saa7134_hwinit2(dev);
989
990 /* load i2c helpers */
4ac97914 991 if (card_is_empress(dev)) {
fac6986c 992 struct v4l2_subdev *sd =
e6574f2f 993 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
1532a070 994 NULL, "saa6752hs",
53dacb15 995 saa7134_boards[dev->board].empress_addr, NULL);
fac6986c
HV		 996
997 if (sd)
998 sd->grp_id = GRP_EMPRESS;
1da177e4 999 }
330a115a 1000
2983baf8 1001 if (saa7134_boards[dev->board].rds_addr) {
2983baf8
HV		 1002 struct v4l2_subdev *sd;
1003
53dacb15 1004 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1532a070 1005 &dev->i2c_adap, NULL, "saa6588",
53dacb15 1006 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
f101a2a7 1007 if (sd) {
2983baf8 1008 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
f101a2a7
HV		 1009 dev->has_rds = 1;
1010 }
2983baf8
HV		 1011 }
1012
4217e252 1013 request_submodules(dev);
b54134be 1014
1da177e4
LT		 1015 v4l2_prio_init(&dev->prio);
1016
befd6e64
MCC		 1017 mutex_lock(&saa7134_devlist_lock);
1018 list_for_each_entry(mops, &mops_list, next)
1019 mpeg_ops_attach(mops, dev);
1020 list_add_tail(&dev->devlist, &saa7134_devlist);
1021 mutex_unlock(&saa7134_devlist_lock);
1022
1023 /* check for signal */
1024 saa7134_irq_video_signalchange(dev);
1025
1026 if (TUNER_ABSENT != dev->tuner_type)
622b828a 1027 saa_call_all(dev, core, s_power, 0);
befd6e64 1028
1da177e4 1029 /* register v4l devices */
0ea6bc8d
HV		 1030 if (saa7134_no_overlay > 0)
1031 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1032
1da177e4
LT		 1033 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1034 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1035 video_nr[dev->nr]);
1036 if (err < 0) {
1037 printk(KERN_INFO "%s: can't register video device\n",
1038 dev->name);
1039 goto fail4;
1040 }
38c7c036
LP		 1041 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1042 dev->name, video_device_node_name(dev->video_dev));
1da177e4 1043
a9622391 1044 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
a9622391 1045
1da177e4
LT		 1046 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1047 vbi_nr[dev->nr]);
1048 if (err < 0)
1049 goto fail4;
38c7c036
LP		 1050 printk(KERN_INFO "%s: registered device %s\n",
1051 dev->name, video_device_node_name(dev->vbi_dev));
1da177e4
LT		 1052
1053 if (card_has_radio(dev)) {
1054 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1055 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1056 radio_nr[dev->nr]);
1057 if (err < 0)
1058 goto fail4;
38c7c036
LP		 1059 printk(KERN_INFO "%s: registered device %s\n",
1060 dev->name, video_device_node_name(dev->radio_dev));
1da177e4
LT		 1061 }
1062
1da177e4 1063 /* everything worked */
1da177e4
LT		 1064 saa7134_devcount++;
1065
befd6e64 1066 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
78457018 1067 saa7134_dmasound_init(dev);
80d35237 1068
1da177e4
LT		 1069 return 0;
1070
1da177e4
LT		 1071 fail4:
1072 saa7134_unregister_video(dev);
1073 saa7134_i2c_unregister(dev);
1074 free_irq(pci_dev->irq, dev);
1075 fail3:
1076 saa7134_hwfini(dev);
1077 iounmap(dev->lmmio);
1078 fail2:
1079 release_mem_region(pci_resource_start(pci_dev,0),
1080 pci_resource_len(pci_dev,0));
1081 fail1:
fac6986c
HV		 1082 v4l2_device_unregister(&dev->v4l2_dev);
1083 fail0:
1da177e4
LT		 1084 kfree(dev);
1085 return err;
1086}
1087
1088static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1089{
fac6986c
HV		 1090 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1091 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1da177e4
LT		 1092 struct saa7134_mpeg_ops *mops;
1093
f5b974cb 1094 /* Release DMA sound modules if present */
78457018
AB		 1095 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1096 saa7134_dmasound_exit(dev);
f5b974cb
RC		 1097 }
1098
1da177e4
LT		 1099 /* debugging ... */
1100 if (irq_debug) {
1101 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1102 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1103 print_irqstatus(dev,42,report,status);
1104 }
1105
1106 /* disable peripheral devices */
1107 saa_writeb(SAA7134_SPECIAL_MODE,0);
1108
1109 /* shutdown hardware */
1110 saa_writel(SAA7134_IRQ1,0);
1111 saa_writel(SAA7134_IRQ2,0);
1112 saa_writel(SAA7134_MAIN_CTRL,0);
1113
1114 /* shutdown subsystems */
1115 saa7134_hwfini(dev);
1116
1117 /* unregister */
befd6e64 1118 mutex_lock(&saa7134_devlist_lock);
1da177e4 1119 list_del(&dev->devlist);
6d28e989 1120 list_for_each_entry(mops, &mops_list, next)
1da177e4 1121 mpeg_ops_detach(mops, dev);
befd6e64 1122 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1123 saa7134_devcount--;
1124
1125 saa7134_i2c_unregister(dev);
1da177e4
LT		 1126 saa7134_unregister_video(dev);
1127
f5b974cb 1128
4aabf633
RC		 1129 /* the DMA sound modules should be unloaded before reaching
1130 this, but just in case they are still present... */
1131 if (dev->dmasound.priv_data != NULL) {
1132 free_irq(pci_dev->irq, &dev->dmasound);
1133 dev->dmasound.priv_data = NULL;
1134 }
1135
f5b974cb 1136
4aabf633 1137 /* release resources */
1da177e4
LT		 1138 free_irq(pci_dev->irq, dev);
1139 iounmap(dev->lmmio);
1140 release_mem_region(pci_resource_start(pci_dev,0),
1141 pci_resource_len(pci_dev,0));
1142
fac6986c
HV		 1143
1144 v4l2_device_unregister(&dev->v4l2_dev);
1da177e4
LT		 1145
1146 /* free memory */
1147 kfree(dev);
1148}
1149
c458473e 1150#ifdef CONFIG_PM
05d26cc8
AB		 1151
1152/* resends a current buffer in queue after resume */
1153static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1154 struct saa7134_dmaqueue *q)
1155{
1156 struct saa7134_buf *buf, *next;
1157
1158 assert_spin_locked(&dev->slock);
1159
1160 buf = q->curr;
1161 next = buf;
1162 dprintk("buffer_requeue\n");
1163
1164 if (!buf)
1165 return 0;
1166
1167 dprintk("buffer_requeue : resending active buffers \n");
1168
1169 if (!list_empty(&q->queue))
1170 next = list_entry(q->queue.next, struct saa7134_buf,
1171 vb.queue);
1172 buf->activate(dev, buf, next);
1173
1174 return 0;
1175}
1176
cb71201f
ML		 1177static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1178{
fac6986c
HV		 1179 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1180 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
cb71201f 1181
acd827d6
ML		 1182 /* disable overlay - apps should enable it explicitly on resume*/
1183 dev->ovenable = 0;
1184
1185 /* Disable interrupts, DMA, and rest of the chip*/
cb71201f
ML		 1186 saa_writel(SAA7134_IRQ1, 0);
1187 saa_writel(SAA7134_IRQ2, 0);
acd827d6 1188 saa_writel(SAA7134_MAIN_CTRL, 0);
cb71201f 1189
c458473e 1190 dev->insuspend = 1;
3203cb86
ML		 1191 synchronize_irq(pci_dev->irq);
1192
1193 /* ACK interrupts once more, just in case,
1194 since the IRQ handler won't ack them anymore*/
1195
1196 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
c458473e
ML		 1197
1198 /* Disable timeout timers - if we have active buffers, we will
1199 fill them on resume*/
1200
1201 del_timer(&dev->video_q.timeout);
1202 del_timer(&dev->vbi_q.timeout);
1203 del_timer(&dev->ts_q.timeout);
f40aa808
MS		 1204
1205 if (dev->remote)
1206 saa7134_ir_stop(dev);
c458473e 1207
cb71201f 1208 pci_save_state(pci_dev);
0d65cd4f 1209 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
cb71201f 1210
0d65cd4f 1211 return 0;
cb71201f
ML		 1212}
1213
1214static int saa7134_resume(struct pci_dev *pci_dev)
1215{
fac6986c
HV		 1216 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1217 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
a3c53e23 1218 unsigned long flags;
cb71201f 1219
cb71201f 1220 pci_set_power_state(pci_dev, PCI_D0);
0d65cd4f 1221 pci_restore_state(pci_dev);
cb71201f
ML		 1222
1223 /* Do things that are done in saa7134_initdev ,
1224 except of initializing memory structures.*/
1225
1226 saa7134_board_init1(dev);
1227
c458473e 1228 /* saa7134_hwinit1 */
cb71201f
ML		 1229 if (saa7134_boards[dev->board].video_out)
1230 saa7134_videoport_init(dev);
cb71201f
ML		 1231 if (card_has_mpeg(dev))
1232 saa7134_ts_init_hw(dev);
c458473e 1233 if (dev->remote)
716aab44 1234 saa7134_ir_start(dev);
cb71201f 1235 saa7134_hw_enable1(dev);
c458473e 1236
5c01203f 1237 msleep(100);
c458473e 1238
cb71201f 1239 saa7134_board_init2(dev);
cb71201f 1240
c458473e
ML		 1241 /*saa7134_hwinit2*/
1242 saa7134_set_tvnorm_hw(dev);
cb71201f 1243 saa7134_tvaudio_setmute(dev);
cb71201f 1244 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
f36224d3 1245 saa7134_tvaudio_init(dev);
c458473e 1246 saa7134_tvaudio_do_scan(dev);
cb71201f 1247 saa7134_enable_i2s(dev);
c458473e 1248 saa7134_hw_enable2(dev);
cb71201f 1249
5c01203f
ML		 1250 saa7134_irq_video_signalchange(dev);
1251
acd827d6
ML		 1252 /*resume unfinished buffer(s)*/
1253 spin_lock_irqsave(&dev->slock, flags);
cb71201f
ML		 1254 saa7134_buffer_requeue(dev, &dev->video_q);
1255 saa7134_buffer_requeue(dev, &dev->vbi_q);
1256 saa7134_buffer_requeue(dev, &dev->ts_q);
1257
c458473e
ML		 1258 /* FIXME: Disable DMA audio sound - temporary till proper support
1259 is implemented*/
1260
1261 dev->dmasound.dma_running = 0;
1262
acd827d6 1263 /* start DMA now*/
c458473e 1264 dev->insuspend = 0;
3203cb86 1265 smp_wmb();
acd827d6
ML		 1266 saa7134_set_dmabits(dev);
1267 spin_unlock_irqrestore(&dev->slock, flags);
1268
cb71201f
ML		 1269 return 0;
1270}
c458473e 1271#endif
cb71201f 1272
1da177e4
LT		 1273/* ----------------------------------------------------------- */
1274
1275int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1276{
1da177e4
LT		 1277 struct saa7134_dev *dev;
1278
befd6e64 1279 mutex_lock(&saa7134_devlist_lock);
6d28e989 1280 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1281 mpeg_ops_attach(ops, dev);
1da177e4 1282 list_add_tail(&ops->next,&mops_list);
befd6e64 1283 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1284 return 0;
1285}
1286
1287void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1288{
1da177e4
LT		 1289 struct saa7134_dev *dev;
1290
befd6e64 1291 mutex_lock(&saa7134_devlist_lock);
1da177e4 1292 list_del(&ops->next);
6d28e989 1293 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1294 mpeg_ops_detach(ops, dev);
befd6e64 1295 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1296}
1297
1298EXPORT_SYMBOL(saa7134_ts_register);
1299EXPORT_SYMBOL(saa7134_ts_unregister);
1300
1301/* ----------------------------------------------------------- */
1302
1303static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1304 .name = "saa7134",
1305 .id_table = saa7134_pci_tbl,
1306 .probe = saa7134_initdev,
1307 .remove = __devexit_p(saa7134_finidev),
c458473e 1308#ifdef CONFIG_PM
cb71201f
ML		 1309 .suspend = saa7134_suspend,
1310 .resume = saa7134_resume
c458473e 1311#endif
1da177e4
LT		 1312};
1313
9710e7a7 1314static int __init saa7134_init(void)
1da177e4
LT		 1315{
1316 INIT_LIST_HEAD(&saa7134_devlist);
1317 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1318 (SAA7134_VERSION_CODE >> 16) & 0xff,
1319 (SAA7134_VERSION_CODE >> 8) & 0xff,
1320 SAA7134_VERSION_CODE & 0xff);
1321#ifdef SNAPSHOT
1322 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1323 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1324#endif
2304759d 1325 return pci_register_driver(&saa7134_pci_driver);
1da177e4
LT		 1326}
1327
9710e7a7 1328static void __exit saa7134_fini(void)
1da177e4 1329{
1da177e4
LT		 1330 pci_unregister_driver(&saa7134_pci_driver);
1331}
1332
1333module_init(saa7134_init);
1334module_exit(saa7134_fini);
1335
1336/* ----------------------------------------------------------- */
1337
58ef4f92 1338EXPORT_SYMBOL(saa7134_set_gpio);
1da177e4
LT		 1339EXPORT_SYMBOL(saa7134_boards);
1340
4aabf633 1341/* ----------------- for the DMA sound modules --------------- */
79dd0c69 1342
78457018
AB		 1343EXPORT_SYMBOL(saa7134_dmasound_init);
1344EXPORT_SYMBOL(saa7134_dmasound_exit);
79dd0c69
RC		 1345EXPORT_SYMBOL(saa7134_pgtable_free);
1346EXPORT_SYMBOL(saa7134_pgtable_build);
1347EXPORT_SYMBOL(saa7134_pgtable_alloc);
1348EXPORT_SYMBOL(saa7134_set_dmabits);
1349
1da177e4
LT		 1350/* ----------------------------------------------------------- */
1351/*
1352 * Local variables:
1353 * c-basic-offset: 8
1354 * End:
1355 */
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