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workqueue: deprecate flush[_delayed]_work_sync()
[linux-block.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");
1990d50b
MCC		 42MODULE_VERSION(SAA7134_VERSION);
43
1da177e4
LT		 44
45/* ------------------------------------------------------------------ */
46
ff699e6b 47static unsigned int irq_debug;
1da177e4
LT		 48module_param(irq_debug, int, 0644);
49MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
50
ff699e6b 51static unsigned int core_debug;
1da177e4
LT		 52module_param(core_debug, int, 0644);
53MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
54
ff699e6b 55static unsigned int gpio_tracking;
1da177e4
LT		 56module_param(gpio_tracking, int, 0644);
57MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
58
23ce51d9 59static unsigned int alsa = 1;
4aabf633 60module_param(alsa, int, 0644);
23ce51d9 61MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
4aabf633 62
1da177e4
LT		 63static unsigned int latency = UNSET;
64module_param(latency, int, 0444);
65MODULE_PARM_DESC(latency,"pci latency timer");
66
ecb73774
MCC		 67int saa7134_no_overlay=-1;
68module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
9050d942
MCC		 69MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
70 " [some VIA/SIS chipsets are known to have problem with overlay]");
71
1da177e4
LT		 72static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
73static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
74static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
1da177e4
LT		 75static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
76static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
77
674434c6 78
1da177e4
LT		 79module_param_array(video_nr, int, NULL, 0444);
80module_param_array(vbi_nr, int, NULL, 0444);
81module_param_array(radio_nr, int, NULL, 0444);
1da177e4
LT		 82module_param_array(tuner, int, NULL, 0444);
83module_param_array(card, int, NULL, 0444);
84
85MODULE_PARM_DESC(video_nr, "video device number");
86MODULE_PARM_DESC(vbi_nr, "vbi device number");
87MODULE_PARM_DESC(radio_nr, "radio device number");
1da177e4
LT		 88MODULE_PARM_DESC(tuner, "tuner type");
89MODULE_PARM_DESC(card, "card type");
90
befd6e64
MCC		 91DEFINE_MUTEX(saa7134_devlist_lock);
92EXPORT_SYMBOL(saa7134_devlist_lock);
1da177e4 93LIST_HEAD(saa7134_devlist);
befd6e64 94EXPORT_SYMBOL(saa7134_devlist);
1da177e4
LT		 95static LIST_HEAD(mops_list);
96static unsigned int saa7134_devcount;
97
78457018
AB		 98int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
99int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
f5b974cb 100
1da177e4
LT		 101#define dprintk(fmt, arg...) if (core_debug) \
102 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
103
1da177e4
LT		 104void 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
b8195946
HH		 120void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
121{
122 u32 index, bitval;
b8195946
HH		 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;
cfeb8839
HH		 142 }
143}
144
1da177e4
LT		 145/* ------------------------------------------------------------------ */
146
1da177e4
LT		 147
148/* ----------------------------------------------------------- */
149/* delayed request_module */
150
fd1eab73 151#if defined(CONFIG_MODULES) && defined(MODULE)
1da177e4 152
4217e252
MR		 153static 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))
4ac97914 156 request_module("saa7134-empress");
4217e252 157 if (card_is_dvb(dev))
4ac97914 158 request_module("saa7134-dvb");
23ce51d9
MCC		 159 if (alsa) {
160 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
161 request_module("saa7134-alsa");
162 }
1da177e4
LT		 163}
164
4217e252 165static void request_submodules(struct saa7134_dev *dev)
1da177e4 166{
4217e252
MR		 167 INIT_WORK(&dev->request_module_wk, request_module_async);
168 schedule_work(&dev->request_module_wk);
1da177e4
LT		 169}
170
707bcf32
TH		 171static void flush_request_submodules(struct saa7134_dev *dev)
172{
43829731 173 flush_work(&dev->request_module_wk);
707bcf32
TH		 174}
175
1da177e4 176#else
15f189e9 177#define request_submodules(dev)
707bcf32 178#define flush_request_submodules(dev)
1da177e4
LT		 179#endif /* CONFIG_MODULES */
180
181/* ------------------------------------------------------------------ */
182
183/* nr of (saa7134-)pages for the given buffer size */
184static int saa7134_buffer_pages(int size)
185{
186 size = PAGE_ALIGN(size);
187 size += PAGE_SIZE; /* for non-page-aligned buffers */
188 size /= 4096;
189 return size;
190}
191
192/* calc max # of buffers from size (must not exceed the 4MB virtual
193 * address space per DMA channel) */
194int saa7134_buffer_count(unsigned int size, unsigned int count)
195{
196 unsigned int maxcount;
197
198 maxcount = 1024 / saa7134_buffer_pages(size);
199 if (count > maxcount)
200 count = maxcount;
201 return count;
202}
203
204int saa7134_buffer_startpage(struct saa7134_buf *buf)
205{
206 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
207}
208
209unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
210{
211 unsigned long base;
c1accaa2 212 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1da177e4
LT		 213
214 base = saa7134_buffer_startpage(buf) * 4096;
c1accaa2 215 base += dma->sglist[0].offset;
1da177e4
LT		 216 return base;
217}
218
219/* ------------------------------------------------------------------ */
220
221int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
222{
4ac97914 223 __le32 *cpu;
614b147b 224 dma_addr_t dma_addr = 0;
1da177e4
LT		 225
226 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
227 if (NULL == cpu)
228 return -ENOMEM;
229 pt->size = SAA7134_PGTABLE_SIZE;
230 pt->cpu = cpu;
231 pt->dma = dma_addr;
232 return 0;
233}
234
235int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
236 struct scatterlist *list, unsigned int length,
237 unsigned int startpage)
238{
c9c12b79 239 __le32 *ptr;
1da177e4
LT		 240 unsigned int i,p;
241
242 BUG_ON(NULL == pt || NULL == pt->cpu);
243
244 ptr = pt->cpu + startpage;
245 for (i = 0; i < length; i++, list++)
246 for (p = 0; p * 4096 < list->length; p++, ptr++)
a20758fa 247 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
1da177e4
LT		 248 return 0;
249}
250
251void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
252{
253 if (NULL == pt->cpu)
254 return;
255 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
256 pt->cpu = NULL;
257}
258
259/* ------------------------------------------------------------------ */
260
c7b0ac05 261void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
1da177e4 262{
c1accaa2 263 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
ae24601b 264 BUG_ON(in_interrupt());
1da177e4 265
0e0809a5 266 videobuf_waiton(q, &buf->vb, 0, 0);
95268403 267 videobuf_dma_unmap(q->dev, dma);
c1accaa2 268 videobuf_dma_free(dma);
0fc0686e 269 buf->vb.state = VIDEOBUF_NEEDS_INIT;
1da177e4
LT		 270}
271
272/* ------------------------------------------------------------------ */
273
274int saa7134_buffer_queue(struct saa7134_dev *dev,
275 struct saa7134_dmaqueue *q,
276 struct saa7134_buf *buf)
277{
278 struct saa7134_buf *next = NULL;
279
280 assert_spin_locked(&dev->slock);
281 dprintk("buffer_queue %p\n",buf);
282 if (NULL == q->curr) {
283 if (!q->need_two) {
284 q->curr = buf;
285 buf->activate(dev,buf,NULL);
286 } else if (list_empty(&q->queue)) {
287 list_add_tail(&buf->vb.queue,&q->queue);
0fc0686e 288 buf->vb.state = VIDEOBUF_QUEUED;
1da177e4
LT		 289 } else {
290 next = list_entry(q->queue.next,struct saa7134_buf,
291 vb.queue);
292 q->curr = buf;
293 buf->activate(dev,buf,next);
294 }
295 } else {
296 list_add_tail(&buf->vb.queue,&q->queue);
0fc0686e 297 buf->vb.state = VIDEOBUF_QUEUED;
1da177e4
LT		 298 }
299 return 0;
300}
301
302void saa7134_buffer_finish(struct saa7134_dev *dev,
303 struct saa7134_dmaqueue *q,
304 unsigned int state)
305{
306 assert_spin_locked(&dev->slock);
307 dprintk("buffer_finish %p\n",q->curr);
308
309 /* finish current buffer */
310 q->curr->vb.state = state;
311 do_gettimeofday(&q->curr->vb.ts);
312 wake_up(&q->curr->vb.done);
313 q->curr = NULL;
314}
315
316void saa7134_buffer_next(struct saa7134_dev *dev,
317 struct saa7134_dmaqueue *q)
318{
319 struct saa7134_buf *buf,*next = NULL;
320
321 assert_spin_locked(&dev->slock);
322 BUG_ON(NULL != q->curr);
323
324 if (!list_empty(&q->queue)) {
325 /* activate next one from queue */
326 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
327 dprintk("buffer_next %p [prev=%p/next=%p]\n",
328 buf,q->queue.prev,q->queue.next);
329 list_del(&buf->vb.queue);
330 if (!list_empty(&q->queue))
331 next = list_entry(q->queue.next,struct saa7134_buf,
332 vb.queue);
333 q->curr = buf;
334 buf->activate(dev,buf,next);
335 dprintk("buffer_next #2 prev=%p/next=%p\n",
336 q->queue.prev,q->queue.next);
337 } else {
338 /* nothing to do -- just stop DMA */
339 dprintk("buffer_next %p\n",NULL);
340 saa7134_set_dmabits(dev);
341 del_timer(&q->timeout);
6b6b7543
DB		 342
343 if (card_has_mpeg(dev))
344 if (dev->ts_started)
345 saa7134_ts_stop(dev);
1da177e4
LT		 346 }
347}
348
349void saa7134_buffer_timeout(unsigned long data)
350{
351 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
352 struct saa7134_dev *dev = q->dev;
353 unsigned long flags;
354
355 spin_lock_irqsave(&dev->slock,flags);
356
357 /* try to reset the hardware (SWRST) */
358 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
359 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
360 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
361
362 /* flag current buffer as failed,
363 try to start over with the next one. */
364 if (q->curr) {
365 dprintk("timeout on %p\n",q->curr);
0fc0686e 366 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
1da177e4
LT		 367 }
368 saa7134_buffer_next(dev,q);
369 spin_unlock_irqrestore(&dev->slock,flags);
370}
371
372/* ------------------------------------------------------------------ */
373
374int saa7134_set_dmabits(struct saa7134_dev *dev)
375{
376 u32 split, task=0, ctrl=0, irq=0;
377 enum v4l2_field cap = V4L2_FIELD_ANY;
378 enum v4l2_field ov = V4L2_FIELD_ANY;
379
380 assert_spin_locked(&dev->slock);
381
c458473e 382 if (dev->insuspend)
acd827d6
ML		 383 return 0;
384
1da177e4
LT		 385 /* video capture -- dma 0 + video task A */
386 if (dev->video_q.curr) {
387 task |= 0x01;
388 ctrl |= SAA7134_MAIN_CTRL_TE0;
389 irq |= SAA7134_IRQ1_INTE_RA0_1 |
390 SAA7134_IRQ1_INTE_RA0_0;
4ac97914 391 cap = dev->video_q.curr->vb.field;
1da177e4
LT		 392 }
393
394 /* video capture -- dma 1+2 (planar modes) */
395 if (dev->video_q.curr &&
396 dev->video_q.curr->fmt->planar) {
397 ctrl |= SAA7134_MAIN_CTRL_TE4 |
398 SAA7134_MAIN_CTRL_TE5;
399 }
400
401 /* screen overlay -- dma 0 + video task B */
402 if (dev->ovenable) {
403 task |= 0x10;
404 ctrl |= SAA7134_MAIN_CTRL_TE1;
405 ov = dev->ovfield;
406 }
407
408 /* vbi capture -- dma 0 + vbi task A+B */
409 if (dev->vbi_q.curr) {
410 task |= 0x22;
411 ctrl |= SAA7134_MAIN_CTRL_TE2 |
412 SAA7134_MAIN_CTRL_TE3;
413 irq |= SAA7134_IRQ1_INTE_RA0_7 |
414 SAA7134_IRQ1_INTE_RA0_6 |
415 SAA7134_IRQ1_INTE_RA0_5 |
416 SAA7134_IRQ1_INTE_RA0_4;
417 }
418
419 /* audio capture -- dma 3 */
b54134be 420 if (dev->dmasound.dma_running) {
1da177e4
LT		 421 ctrl |= SAA7134_MAIN_CTRL_TE6;
422 irq |= SAA7134_IRQ1_INTE_RA3_1 |
423 SAA7134_IRQ1_INTE_RA3_0;
424 }
425
426 /* TS capture -- dma 5 */
427 if (dev->ts_q.curr) {
428 ctrl |= SAA7134_MAIN_CTRL_TE5;
8809b9cc 429 irq |= SAA7134_IRQ1_INTE_RA2_1 |
1da177e4
LT		 430 SAA7134_IRQ1_INTE_RA2_0;
431 }
432
433 /* set task conditions + field handling */
434 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
435 /* default config -- use full frames */
436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
438 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
439 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
440 split = 0;
441 } else {
442 /* split fields between tasks */
443 if (V4L2_FIELD_TOP == cap) {
444 /* odd A, even B, repeat */
445 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
446 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
447 } else {
448 /* odd B, even A, repeat */
449 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
450 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
451 }
452 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
453 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
454 split = 1;
455 }
456
457 /* irqs */
458 saa_writeb(SAA7134_REGION_ENABLE, task);
459 saa_writel(SAA7134_IRQ1, irq);
460 saa_andorl(SAA7134_MAIN_CTRL,
461 SAA7134_MAIN_CTRL_TE0 |
462 SAA7134_MAIN_CTRL_TE1 |
463 SAA7134_MAIN_CTRL_TE2 |
464 SAA7134_MAIN_CTRL_TE3 |
465 SAA7134_MAIN_CTRL_TE4 |
466 SAA7134_MAIN_CTRL_TE5 |
467 SAA7134_MAIN_CTRL_TE6,
468 ctrl);
469 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
470 task, ctrl, irq, split ? "no" : "yes");
471
472 return 0;
473}
474
475/* ------------------------------------------------------------------ */
476/* IRQ handler + helpers */
477
478static char *irqbits[] = {
479 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
480 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
481 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
3629e1da 482 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
1da177e4
LT		 483};
484#define IRQBITS ARRAY_SIZE(irqbits)
485
486static void print_irqstatus(struct saa7134_dev *dev, int loop,
487 unsigned long report, unsigned long status)
488{
489 unsigned int i;
490
491 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
492 dev->name,loop,jiffies,report,status);
493 for (i = 0; i < IRQBITS; i++) {
494 if (!(report & (1 << i)))
495 continue;
496 printk(" %s",irqbits[i]);
497 }
498 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
499 printk(" | RA0=%s,%s,%s,%ld",
500 (status & 0x40) ? "vbi" : "video",
501 (status & 0x20) ? "b" : "a",
502 (status & 0x10) ? "odd" : "even",
503 (status & 0x0f));
504 }
505 printk("\n");
506}
507
7d12e780 508static irqreturn_t saa7134_irq(int irq, void *dev_id)
1da177e4
LT		 509{
510 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
511 unsigned long report,status;
512 int loop, handled = 0;
513
c458473e
ML		 514 if (dev->insuspend)
515 goto out;
516
1da177e4
LT		 517 for (loop = 0; loop < 10; loop++) {
518 report = saa_readl(SAA7134_IRQ_REPORT);
519 status = saa_readl(SAA7134_IRQ_STATUS);
79dd0c69 520
843b1378
HL		 521 /* If dmasound support is active and we get a sound report,
522 * mask out the report and let the saa7134-alsa module deal
523 * with it */
4aabf633
RC		 524 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
525 (dev->dmasound.priv_data != NULL) )
526 {
79dd0c69 527 if (irq_debug > 1)
843b1378
HL		 528 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
529 dev->name);
530 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
531 }
532
533 if (0 == report) {
534 if (irq_debug > 1)
535 printk(KERN_DEBUG "%s/irq: no (more) work\n",
79dd0c69
RC		 536 dev->name);
537 goto out;
538 }
539
1da177e4
LT		 540 handled = 1;
541 saa_writel(SAA7134_IRQ_REPORT,report);
542 if (irq_debug)
543 print_irqstatus(dev,loop,report,status);
544
1da177e4 545
11f7078c
ML		 546 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
547 (report & SAA7134_IRQ_REPORT_INTL))
548 saa7134_irq_video_signalchange(dev);
549
1da177e4
LT		 550
551 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
552 (status & 0x60) == 0)
553 saa7134_irq_video_done(dev,status);
554
555 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
556 (status & 0x40) == 0x40)
557 saa7134_irq_vbi_done(dev,status);
558
559 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
560 card_has_mpeg(dev))
561 saa7134_irq_ts_done(dev,status);
562
0602fbb2
PM		 563 if (report & SAA7134_IRQ_REPORT_GPIO16) {
564 switch (dev->has_remote) {
565 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 566 if (!dev->remote)
567 break;
0602fbb2
PM		 568 if (dev->remote->mask_keydown & 0x10000) {
569 saa7134_input_irq(dev);
570 }
571 break;
572
573 case SAA7134_REMOTE_I2C:
574 break; /* FIXME: invoke I2C get_key() */
575
576 default: /* GPIO16 not used by IR remote */
577 break;
578 }
579 }
bd15eba3 580
0602fbb2
PM		 581 if (report & SAA7134_IRQ_REPORT_GPIO18) {
582 switch (dev->has_remote) {
583 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 584 if (!dev->remote)
585 break;
0602fbb2
PM		 586 if ((dev->remote->mask_keydown & 0x40000) ||
587 (dev->remote->mask_keyup & 0x40000)) {
588 saa7134_input_irq(dev);
589 }
590 break;
591
592 case SAA7134_REMOTE_I2C:
593 break; /* FIXME: invoke I2C get_key() */
594
595 default: /* GPIO18 not used by IR remote */
596 break;
597 }
598 }
1da177e4
LT		 599 }
600
601 if (10 == loop) {
602 print_irqstatus(dev,loop,report,status);
603 if (report & SAA7134_IRQ_REPORT_PE) {
604 /* disable all parity error */
605 printk(KERN_WARNING "%s/irq: looping -- "
606 "clearing PE (parity error!) enable bit\n",dev->name);
607 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
0602fbb2
PM		 608 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
609 /* disable gpio16 IRQ */
1da177e4 610 printk(KERN_WARNING "%s/irq: looping -- "
0602fbb2 611 "clearing GPIO16 enable bit\n",dev->name);
3629e1da
MCC		 612 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
613 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
0602fbb2
PM		 614 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
615 /* disable gpio18 IRQs */
616 printk(KERN_WARNING "%s/irq: looping -- "
617 "clearing GPIO18 enable bit\n",dev->name);
3629e1da
MCC		 618 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
619 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
1da177e4
LT		 620 } else {
621 /* disable all irqs */
622 printk(KERN_WARNING "%s/irq: looping -- "
623 "clearing all enable bits\n",dev->name);
624 saa_writel(SAA7134_IRQ1,0);
625 saa_writel(SAA7134_IRQ2,0);
626 }
627 }
628
629 out:
630 return IRQ_RETVAL(handled);
631}
632
633/* ------------------------------------------------------------------ */
634
635/* early init (no i2c, no irq) */
cb71201f
ML		 636
637static int saa7134_hw_enable1(struct saa7134_dev *dev)
638{
639 /* RAM FIFO config */
640 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
641 saa_writel(SAA7134_THRESHOULD, 0x02020202);
642
643 /* enable audio + video processing */
644 saa_writel(SAA7134_MAIN_CTRL,
645 SAA7134_MAIN_CTRL_VPLLE |
646 SAA7134_MAIN_CTRL_APLLE |
647 SAA7134_MAIN_CTRL_EXOSC |
648 SAA7134_MAIN_CTRL_EVFE1 |
649 SAA7134_MAIN_CTRL_EVFE2 |
650 SAA7134_MAIN_CTRL_ESFE |
651 SAA7134_MAIN_CTRL_EBDAC);
652
653 /*
654 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
655 * OSS initialization writes to registers via the audio DSP; these
656 * writes will fail unless the audio clock has been started. At worst,
657 * audio will not work.
658 */
659
660 /* enable peripheral devices */
661 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
662
663 /* set vertical line numbering start (vbi needs this) */
664 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
665
666 return 0;
667}
668
1da177e4
LT		 669static int saa7134_hwinit1(struct saa7134_dev *dev)
670{
671 dprintk("hwinit1\n");
672
673 saa_writel(SAA7134_IRQ1, 0);
674 saa_writel(SAA7134_IRQ2, 0);
7ef5e025
AW		 675
676 /* Clear any stale IRQ reports */
677 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
678
3593cab5 679 mutex_init(&dev->lock);
1da177e4
LT		 680 spin_lock_init(&dev->slock);
681
682 saa7134_track_gpio(dev,"pre-init");
683 saa7134_video_init1(dev);
684 saa7134_vbi_init1(dev);
685 if (card_has_mpeg(dev))
686 saa7134_ts_init1(dev);
687 saa7134_input_init1(dev);
688
cb71201f 689 saa7134_hw_enable1(dev);
1da177e4
LT		 690
691 return 0;
692}
693
694/* late init (with i2c + irq) */
cb71201f 695static int saa7134_hw_enable2(struct saa7134_dev *dev)
1da177e4 696{
1da177e4 697
cb71201f 698 unsigned int irq2_mask;
1da177e4
LT		 699
700 /* enable IRQ's */
4ac97914 701 irq2_mask =
330a115a
MCC		 702 SAA7134_IRQ2_INTE_DEC3 |
703 SAA7134_IRQ2_INTE_DEC2 |
704 SAA7134_IRQ2_INTE_DEC1 |
705 SAA7134_IRQ2_INTE_DEC0 |
706 SAA7134_IRQ2_INTE_PE |
707 SAA7134_IRQ2_INTE_AR;
708
7a766f9d 709 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
0602fbb2 710 if (dev->remote->mask_keydown & 0x10000)
3629e1da 711 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
bdf1c98e
MCC		 712 else { /* Allow enabling both IRQ edge triggers */
713 if (dev->remote->mask_keydown & 0x40000)
714 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
715 if (dev->remote->mask_keyup & 0x40000)
716 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
717 }
0602fbb2 718 }
330a115a 719
3de2ed12
DB		 720 if (dev->has_remote == SAA7134_REMOTE_I2C) {
721 request_module("ir-kbd-i2c");
722 }
723
1da177e4 724 saa_writel(SAA7134_IRQ1, 0);
330a115a 725 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 726
727 return 0;
728}
729
cb71201f
ML		 730static int saa7134_hwinit2(struct saa7134_dev *dev)
731{
732
733 dprintk("hwinit2\n");
734
735 saa7134_video_init2(dev);
736 saa7134_tvaudio_init2(dev);
737
738 saa7134_hw_enable2(dev);
739
740 return 0;
741}
742
743
1da177e4
LT		 744/* shutdown */
745static int saa7134_hwfini(struct saa7134_dev *dev)
746{
747 dprintk("hwfini\n");
748
1da177e4
LT		 749 if (card_has_mpeg(dev))
750 saa7134_ts_fini(dev);
751 saa7134_input_fini(dev);
752 saa7134_vbi_fini(dev);
1da177e4
LT		 753 saa7134_tvaudio_fini(dev);
754 return 0;
755}
756
99fb079a 757static void __devinit must_configure_manually(int has_eeprom)
1da177e4
LT		 758{
759 unsigned int i,p;
760
99fb079a
MCC		 761 if (!has_eeprom)
762 printk(KERN_WARNING
763 "saa7134: <rant>\n"
764 "saa7134: Congratulations! Your TV card vendor saved a few\n"
765 "saa7134: cents for a eeprom, thus your pci board has no\n"
766 "saa7134: subsystem ID and I can't identify it automatically\n"
767 "saa7134: </rant>\n"
768 "saa7134: I feel better now. Ok, here are the good news:\n"
769 "saa7134: You can use the card=<nr> insmod option to specify\n"
770 "saa7134: which board do you have. The list:\n");
771 else
772 printk(KERN_WARNING
773 "saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
774 "saa7134: insmod option to specify which board do you have, but this is\n"
775 "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
776 "saa7134: for support at linux-media@vger.kernel.org.\n"
777 "saa7134: The supported cards are:\n");
778
1da177e4
LT		 779 for (i = 0; i < saa7134_bcount; i++) {
780 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
781 i,saa7134_boards[i].name);
782 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
783 if (saa7134_pci_tbl[p].driver_data != i)
784 continue;
785 printk(" %04x:%04x",
786 saa7134_pci_tbl[p].subvendor,
787 saa7134_pci_tbl[p].subdevice);
788 }
789 printk("\n");
790 }
791}
792
793static struct video_device *vdev_init(struct saa7134_dev *dev,
794 struct video_device *template,
795 char *type)
796{
797 struct video_device *vfd;
798
799 vfd = video_device_alloc();
800 if (NULL == vfd)
801 return NULL;
802 *vfd = *template;
b8ced134 803 vfd->v4l2_dev = &dev->v4l2_dev;
1da177e4 804 vfd->release = video_device_release;
8c85454a 805 vfd->debug = video_debug;
1da177e4
LT		 806 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
807 dev->name, type, saa7134_boards[dev->board].name);
63b0d5ad 808 video_set_drvdata(vfd, dev);
1da177e4
LT		 809 return vfd;
810}
811
812static void saa7134_unregister_video(struct saa7134_dev *dev)
813{
814 if (dev->video_dev) {
f0813b4c 815 if (video_is_registered(dev->video_dev))
1da177e4
LT		 816 video_unregister_device(dev->video_dev);
817 else
818 video_device_release(dev->video_dev);
819 dev->video_dev = NULL;
820 }
821 if (dev->vbi_dev) {
f0813b4c 822 if (video_is_registered(dev->vbi_dev))
1da177e4
LT		 823 video_unregister_device(dev->vbi_dev);
824 else
825 video_device_release(dev->vbi_dev);
826 dev->vbi_dev = NULL;
827 }
828 if (dev->radio_dev) {
f0813b4c 829 if (video_is_registered(dev->radio_dev))
1da177e4
LT		 830 video_unregister_device(dev->radio_dev);
831 else
832 video_device_release(dev->radio_dev);
833 dev->radio_dev = NULL;
834 }
835}
836
837static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
838 struct saa7134_dev *dev)
839{
840 int err;
841
842 if (NULL != dev->mops)
843 return;
844 if (saa7134_boards[dev->board].mpeg != ops->type)
845 return;
846 err = ops->init(dev);
847 if (0 != err)
848 return;
849 dev->mops = ops;
850}
851
852static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
853 struct saa7134_dev *dev)
854{
855 if (NULL == dev->mops)
856 return;
857 if (dev->mops != ops)
858 return;
859 dev->mops->fini(dev);
860 dev->mops = NULL;
861}
862
863static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
864 const struct pci_device_id *pci_id)
865{
866 struct saa7134_dev *dev;
1da177e4
LT		 867 struct saa7134_mpeg_ops *mops;
868 int err;
869
a4df8e1d
AM		 870 if (saa7134_devcount == SAA7134_MAXBOARDS)
871 return -ENOMEM;
872
7408187d 873 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1da177e4
LT		 874 if (NULL == dev)
875 return -ENOMEM;
1da177e4 876
fac6986c
HV		 877 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
878 if (err)
879 goto fail0;
880
1da177e4
LT		 881 /* pci init */
882 dev->pci = pci_dev;
883 if (pci_enable_device(pci_dev)) {
884 err = -EIO;
885 goto fail1;
886 }
887
888 dev->nr = saa7134_devcount;
889 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
890
891 /* pci quirks */
892 if (pci_pci_problems) {
893 if (pci_pci_problems & PCIPCI_TRITON)
894 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
895 if (pci_pci_problems & PCIPCI_NATOMA)
896 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
897 if (pci_pci_problems & PCIPCI_VIAETBF)
898 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
899 if (pci_pci_problems & PCIPCI_VSFX)
900 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
901#ifdef PCIPCI_ALIMAGIK
902 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
903 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
904 dev->name);
905 latency = 0x0A;
906 }
907#endif
3d265c96 908 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
9050d942
MCC		 909 printk(KERN_INFO "%s: quirk: this driver and your "
910 "chipset may not work together"
911 " in overlay mode.\n",dev->name);
ecb73774 912 if (!saa7134_no_overlay) {
9050d942
MCC		 913 printk(KERN_INFO "%s: quirk: overlay "
914 "mode will be disabled.\n",
915 dev->name);
ecb73774 916 saa7134_no_overlay = 1;
9050d942
MCC		 917 } else {
918 printk(KERN_INFO "%s: quirk: overlay "
919 "mode will be forced. Use this"
920 " option at your own risk.\n",
921 dev->name);
922 }
923 }
1da177e4
LT		 924 }
925 if (UNSET != latency) {
926 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
927 dev->name,latency);
928 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
929 }
930
931 /* print pci info */
abd34d8d 932 dev->pci_rev = pci_dev->revision;
4ac97914
MCC		 933 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
934 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
228aef63 935 "latency: %d, mmio: 0x%llx\n", dev->name,
1da177e4 936 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
228aef63 937 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4 938 pci_set_master(pci_dev);
284901a9 939 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
1da177e4
LT		 940 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
941 err = -EIO;
942 goto fail1;
943 }
944
945 /* board config */
946 dev->board = pci_id->driver_data;
947 if (card[dev->nr] >= 0 &&
948 card[dev->nr] < saa7134_bcount)
949 dev->board = card[dev->nr];
99fb079a
MCC		 950 if (SAA7134_BOARD_UNKNOWN == dev->board)
951 must_configure_manually(0);
952 else if (SAA7134_BOARD_NOAUTO == dev->board) {
953 must_configure_manually(1);
1da177e4
LT		 954 dev->board = SAA7134_BOARD_UNKNOWN;
955 }
a75ec3f0 956 dev->autodetected = card[dev->nr] != dev->board;
d53687d1
SA		 957 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
958 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
fac6986c
HV		 959 dev->radio_type = saa7134_boards[dev->board].radio_type;
960 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1da177e4
LT		 961 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
962 if (UNSET != tuner[dev->nr])
963 dev->tuner_type = tuner[dev->nr];
d53687d1 964 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
a75ec3f0
HH		 965 dev->name,pci_dev->subsystem_vendor,
966 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
967 dev->board, dev->autodetected ?
968 "autodetected" : "insmod option");
1da177e4
LT		 969
970 /* get mmio */
971 if (!request_mem_region(pci_resource_start(pci_dev,0),
972 pci_resource_len(pci_dev,0),
973 dev->name)) {
974 err = -EBUSY;
228aef63
GKH		 975 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
976 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4
LT		 977 goto fail1;
978 }
d522af58
SS		 979 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
980 pci_resource_len(pci_dev, 0));
1da177e4
LT		 981 dev->bmmio = (__u8 __iomem *)dev->lmmio;
982 if (NULL == dev->lmmio) {
983 err = -EIO;
984 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
985 dev->name);
986 goto fail2;
987 }
988
989 /* initialize hardware #1 */
1da177e4
LT		 990 saa7134_board_init1(dev);
991 saa7134_hwinit1(dev);
992
993 /* get irq */
994 err = request_irq(pci_dev->irq, saa7134_irq,
8076fe32 995 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1da177e4
LT		 996 if (err < 0) {
997 printk(KERN_ERR "%s: can't get IRQ %d\n",
998 dev->name,pci_dev->irq);
999 goto fail3;
1000 }
1001
1002 /* wait a bit, register i2c bus */
1003 msleep(100);
1004 saa7134_i2c_register(dev);
1da177e4 1005 saa7134_board_init2(dev);
c030f5e6 1006
1da177e4
LT		 1007 saa7134_hwinit2(dev);
1008
1009 /* load i2c helpers */
4ac97914 1010 if (card_is_empress(dev)) {
fac6986c 1011 struct v4l2_subdev *sd =
e6574f2f 1012 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
9a1f8b34 1013 "saa6752hs",
53dacb15 1014 saa7134_boards[dev->board].empress_addr, NULL);
fac6986c
HV		 1015
1016 if (sd)
1017 sd->grp_id = GRP_EMPRESS;
1da177e4 1018 }
330a115a 1019
2983baf8 1020 if (saa7134_boards[dev->board].rds_addr) {
2983baf8
HV		 1021 struct v4l2_subdev *sd;
1022
53dacb15 1023 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
9a1f8b34 1024 &dev->i2c_adap, "saa6588",
53dacb15 1025 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
f101a2a7 1026 if (sd) {
2983baf8 1027 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
f101a2a7
HV		 1028 dev->has_rds = 1;
1029 }
2983baf8
HV		 1030 }
1031
1da177e4
LT		 1032 v4l2_prio_init(&dev->prio);
1033
befd6e64
MCC		 1034 mutex_lock(&saa7134_devlist_lock);
1035 list_for_each_entry(mops, &mops_list, next)
1036 mpeg_ops_attach(mops, dev);
1037 list_add_tail(&dev->devlist, &saa7134_devlist);
1038 mutex_unlock(&saa7134_devlist_lock);
1039
1040 /* check for signal */
1041 saa7134_irq_video_signalchange(dev);
1042
1043 if (TUNER_ABSENT != dev->tuner_type)
622b828a 1044 saa_call_all(dev, core, s_power, 0);
befd6e64 1045
1da177e4 1046 /* register v4l devices */
0ea6bc8d
HV		 1047 if (saa7134_no_overlay > 0)
1048 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1049
1da177e4
LT		 1050 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1051 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1052 video_nr[dev->nr]);
1053 if (err < 0) {
1054 printk(KERN_INFO "%s: can't register video device\n",
1055 dev->name);
1056 goto fail4;
1057 }
38c7c036
LP		 1058 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1059 dev->name, video_device_node_name(dev->video_dev));
1da177e4 1060
a9622391 1061 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
a9622391 1062
1da177e4
LT		 1063 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1064 vbi_nr[dev->nr]);
1065 if (err < 0)
1066 goto fail4;
38c7c036
LP		 1067 printk(KERN_INFO "%s: registered device %s\n",
1068 dev->name, video_device_node_name(dev->vbi_dev));
1da177e4
LT		 1069
1070 if (card_has_radio(dev)) {
1071 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1072 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1073 radio_nr[dev->nr]);
1074 if (err < 0)
1075 goto fail4;
38c7c036
LP		 1076 printk(KERN_INFO "%s: registered device %s\n",
1077 dev->name, video_device_node_name(dev->radio_dev));
1da177e4
LT		 1078 }
1079
1da177e4 1080 /* everything worked */
1da177e4
LT		 1081 saa7134_devcount++;
1082
befd6e64 1083 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
78457018 1084 saa7134_dmasound_init(dev);
80d35237 1085
707bcf32 1086 request_submodules(dev);
1da177e4
LT		 1087 return 0;
1088
1da177e4
LT		 1089 fail4:
1090 saa7134_unregister_video(dev);
1091 saa7134_i2c_unregister(dev);
1092 free_irq(pci_dev->irq, dev);
1093 fail3:
1094 saa7134_hwfini(dev);
1095 iounmap(dev->lmmio);
1096 fail2:
1097 release_mem_region(pci_resource_start(pci_dev,0),
1098 pci_resource_len(pci_dev,0));
1099 fail1:
fac6986c
HV		 1100 v4l2_device_unregister(&dev->v4l2_dev);
1101 fail0:
1da177e4
LT		 1102 kfree(dev);
1103 return err;
1104}
1105
1106static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1107{
fac6986c
HV		 1108 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1109 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1da177e4
LT		 1110 struct saa7134_mpeg_ops *mops;
1111
707bcf32
TH		 1112 flush_request_submodules(dev);
1113
f5b974cb 1114 /* Release DMA sound modules if present */
78457018
AB		 1115 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1116 saa7134_dmasound_exit(dev);
f5b974cb
RC		 1117 }
1118
1da177e4
LT		 1119 /* debugging ... */
1120 if (irq_debug) {
1121 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1122 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1123 print_irqstatus(dev,42,report,status);
1124 }
1125
1126 /* disable peripheral devices */
1127 saa_writeb(SAA7134_SPECIAL_MODE,0);
1128
1129 /* shutdown hardware */
1130 saa_writel(SAA7134_IRQ1,0);
1131 saa_writel(SAA7134_IRQ2,0);
1132 saa_writel(SAA7134_MAIN_CTRL,0);
1133
1134 /* shutdown subsystems */
1135 saa7134_hwfini(dev);
1136
1137 /* unregister */
befd6e64 1138 mutex_lock(&saa7134_devlist_lock);
1da177e4 1139 list_del(&dev->devlist);
6d28e989 1140 list_for_each_entry(mops, &mops_list, next)
1da177e4 1141 mpeg_ops_detach(mops, dev);
befd6e64 1142 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1143 saa7134_devcount--;
1144
1145 saa7134_i2c_unregister(dev);
1da177e4
LT		 1146 saa7134_unregister_video(dev);
1147
f5b974cb 1148
4aabf633
RC		 1149 /* the DMA sound modules should be unloaded before reaching
1150 this, but just in case they are still present... */
1151 if (dev->dmasound.priv_data != NULL) {
1152 free_irq(pci_dev->irq, &dev->dmasound);
1153 dev->dmasound.priv_data = NULL;
1154 }
1155
f5b974cb 1156
4aabf633 1157 /* release resources */
1da177e4
LT		 1158 free_irq(pci_dev->irq, dev);
1159 iounmap(dev->lmmio);
1160 release_mem_region(pci_resource_start(pci_dev,0),
1161 pci_resource_len(pci_dev,0));
1162
fac6986c
HV		 1163
1164 v4l2_device_unregister(&dev->v4l2_dev);
1da177e4
LT		 1165
1166 /* free memory */
1167 kfree(dev);
1168}
1169
c458473e 1170#ifdef CONFIG_PM
05d26cc8
AB		 1171
1172/* resends a current buffer in queue after resume */
1173static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1174 struct saa7134_dmaqueue *q)
1175{
1176 struct saa7134_buf *buf, *next;
1177
1178 assert_spin_locked(&dev->slock);
1179
1180 buf = q->curr;
1181 next = buf;
1182 dprintk("buffer_requeue\n");
1183
1184 if (!buf)
1185 return 0;
1186
1187 dprintk("buffer_requeue : resending active buffers \n");
1188
1189 if (!list_empty(&q->queue))
1190 next = list_entry(q->queue.next, struct saa7134_buf,
1191 vb.queue);
1192 buf->activate(dev, buf, next);
1193
1194 return 0;
1195}
1196
cb71201f
ML		 1197static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1198{
fac6986c
HV		 1199 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1200 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
cb71201f 1201
acd827d6
ML		 1202 /* disable overlay - apps should enable it explicitly on resume*/
1203 dev->ovenable = 0;
1204
1205 /* Disable interrupts, DMA, and rest of the chip*/
cb71201f
ML		 1206 saa_writel(SAA7134_IRQ1, 0);
1207 saa_writel(SAA7134_IRQ2, 0);
acd827d6 1208 saa_writel(SAA7134_MAIN_CTRL, 0);
cb71201f 1209
c458473e 1210 dev->insuspend = 1;
3203cb86
ML		 1211 synchronize_irq(pci_dev->irq);
1212
1213 /* ACK interrupts once more, just in case,
1214 since the IRQ handler won't ack them anymore*/
1215
1216 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
c458473e
ML		 1217
1218 /* Disable timeout timers - if we have active buffers, we will
1219 fill them on resume*/
1220
1221 del_timer(&dev->video_q.timeout);
1222 del_timer(&dev->vbi_q.timeout);
1223 del_timer(&dev->ts_q.timeout);
f40aa808
MS		 1224
1225 if (dev->remote)
1226 saa7134_ir_stop(dev);
c458473e 1227
cb71201f 1228 pci_save_state(pci_dev);
0d65cd4f 1229 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
cb71201f 1230
0d65cd4f 1231 return 0;
cb71201f
ML		 1232}
1233
1234static int saa7134_resume(struct pci_dev *pci_dev)
1235{
fac6986c
HV		 1236 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1237 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
a3c53e23 1238 unsigned long flags;
cb71201f 1239
cb71201f 1240 pci_set_power_state(pci_dev, PCI_D0);
0d65cd4f 1241 pci_restore_state(pci_dev);
cb71201f
ML		 1242
1243 /* Do things that are done in saa7134_initdev ,
1244 except of initializing memory structures.*/
1245
1246 saa7134_board_init1(dev);
1247
c458473e 1248 /* saa7134_hwinit1 */
cb71201f
ML		 1249 if (saa7134_boards[dev->board].video_out)
1250 saa7134_videoport_init(dev);
cb71201f
ML		 1251 if (card_has_mpeg(dev))
1252 saa7134_ts_init_hw(dev);
c458473e 1253 if (dev->remote)
716aab44 1254 saa7134_ir_start(dev);
cb71201f 1255 saa7134_hw_enable1(dev);
c458473e 1256
5c01203f 1257 msleep(100);
c458473e 1258
cb71201f 1259 saa7134_board_init2(dev);
cb71201f 1260
c458473e
ML		 1261 /*saa7134_hwinit2*/
1262 saa7134_set_tvnorm_hw(dev);
cb71201f 1263 saa7134_tvaudio_setmute(dev);
cb71201f 1264 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
f36224d3 1265 saa7134_tvaudio_init(dev);
cb71201f 1266 saa7134_enable_i2s(dev);
c458473e 1267 saa7134_hw_enable2(dev);
cb71201f 1268
5c01203f
ML		 1269 saa7134_irq_video_signalchange(dev);
1270
acd827d6
ML		 1271 /*resume unfinished buffer(s)*/
1272 spin_lock_irqsave(&dev->slock, flags);
cb71201f
ML		 1273 saa7134_buffer_requeue(dev, &dev->video_q);
1274 saa7134_buffer_requeue(dev, &dev->vbi_q);
1275 saa7134_buffer_requeue(dev, &dev->ts_q);
1276
c458473e
ML		 1277 /* FIXME: Disable DMA audio sound - temporary till proper support
1278 is implemented*/
1279
1280 dev->dmasound.dma_running = 0;
1281
acd827d6 1282 /* start DMA now*/
c458473e 1283 dev->insuspend = 0;
3203cb86 1284 smp_wmb();
acd827d6
ML		 1285 saa7134_set_dmabits(dev);
1286 spin_unlock_irqrestore(&dev->slock, flags);
1287
cb71201f
ML		 1288 return 0;
1289}
c458473e 1290#endif
cb71201f 1291
1da177e4
LT		 1292/* ----------------------------------------------------------- */
1293
1294int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1295{
1da177e4
LT		 1296 struct saa7134_dev *dev;
1297
befd6e64 1298 mutex_lock(&saa7134_devlist_lock);
6d28e989 1299 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1300 mpeg_ops_attach(ops, dev);
1da177e4 1301 list_add_tail(&ops->next,&mops_list);
befd6e64 1302 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1303 return 0;
1304}
1305
1306void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1307{
1da177e4
LT		 1308 struct saa7134_dev *dev;
1309
befd6e64 1310 mutex_lock(&saa7134_devlist_lock);
1da177e4 1311 list_del(&ops->next);
6d28e989 1312 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1313 mpeg_ops_detach(ops, dev);
befd6e64 1314 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1315}
1316
1317EXPORT_SYMBOL(saa7134_ts_register);
1318EXPORT_SYMBOL(saa7134_ts_unregister);
1319
1320/* ----------------------------------------------------------- */
1321
1322static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1323 .name = "saa7134",
1324 .id_table = saa7134_pci_tbl,
1325 .probe = saa7134_initdev,
1326 .remove = __devexit_p(saa7134_finidev),
c458473e 1327#ifdef CONFIG_PM
cb71201f
ML		 1328 .suspend = saa7134_suspend,
1329 .resume = saa7134_resume
c458473e 1330#endif
1da177e4
LT		 1331};
1332
9710e7a7 1333static int __init saa7134_init(void)
1da177e4
LT		 1334{
1335 INIT_LIST_HEAD(&saa7134_devlist);
1990d50b
MCC		 1336 printk(KERN_INFO "saa7130/34: v4l2 driver version %s loaded\n",
1337 SAA7134_VERSION);
2304759d 1338 return pci_register_driver(&saa7134_pci_driver);
1da177e4
LT		 1339}
1340
9710e7a7 1341static void __exit saa7134_fini(void)
1da177e4 1342{
1da177e4
LT		 1343 pci_unregister_driver(&saa7134_pci_driver);
1344}
1345
1346module_init(saa7134_init);
1347module_exit(saa7134_fini);
1348
1349/* ----------------------------------------------------------- */
1350
58ef4f92 1351EXPORT_SYMBOL(saa7134_set_gpio);
1da177e4
LT		 1352EXPORT_SYMBOL(saa7134_boards);
1353
4aabf633 1354/* ----------------- for the DMA sound modules --------------- */
79dd0c69 1355
78457018
AB		 1356EXPORT_SYMBOL(saa7134_dmasound_init);
1357EXPORT_SYMBOL(saa7134_dmasound_exit);
79dd0c69
RC		 1358EXPORT_SYMBOL(saa7134_pgtable_free);
1359EXPORT_SYMBOL(saa7134_pgtable_build);
1360EXPORT_SYMBOL(saa7134_pgtable_alloc);
1361EXPORT_SYMBOL(saa7134_set_dmabits);
1362
1da177e4
LT		 1363/* ----------------------------------------------------------- */
1364/*
1365 * Local variables:
1366 * c-basic-offset: 8
1367 * End:
1368 */
Linux 6.x block layer and io_uring tree(s)