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V4L/DVB (8795): saa7134-empress: insert leading null bytes for Beholder M6 empress...
[linux-2.6-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");
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
ff699e6b 57static unsigned int alsa;
4aabf633
RC		 58module_param(alsa, int, 0644);
59MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
60
ff699e6b 61static unsigned int oss;
4aabf633
RC		 62module_param(oss, int, 0644);
63MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
bd15eba3 64
1da177e4
LT		 65static unsigned int latency = UNSET;
66module_param(latency, int, 0444);
67MODULE_PARM_DESC(latency,"pci latency timer");
68
ecb73774
MCC		 69int saa7134_no_overlay=-1;
70module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
9050d942
MCC		 71MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
72 " [some VIA/SIS chipsets are known to have problem with overlay]");
73
1da177e4
LT		 74static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
75static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
76static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
1da177e4
LT		 77static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
78static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
79
674434c6 80
1da177e4
LT		 81module_param_array(video_nr, int, NULL, 0444);
82module_param_array(vbi_nr, int, NULL, 0444);
83module_param_array(radio_nr, int, NULL, 0444);
1da177e4
LT		 84module_param_array(tuner, int, NULL, 0444);
85module_param_array(card, int, NULL, 0444);
86
87MODULE_PARM_DESC(video_nr, "video device number");
88MODULE_PARM_DESC(vbi_nr, "vbi device number");
89MODULE_PARM_DESC(radio_nr, "radio device number");
1da177e4
LT		 90MODULE_PARM_DESC(tuner, "tuner type");
91MODULE_PARM_DESC(card, "card type");
92
1e4baed3 93static DEFINE_MUTEX(devlist_lock);
1da177e4
LT		 94LIST_HEAD(saa7134_devlist);
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");
4217e252 159 if (alsa)
b54134be 160 request_module("saa7134-alsa");
4217e252 161 if (oss)
4aabf633 162 request_module("saa7134-oss");
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
171#else
15f189e9 172#define request_submodules(dev)
1da177e4
LT		 173#endif /* CONFIG_MODULES */
174
175/* ------------------------------------------------------------------ */
176
177/* nr of (saa7134-)pages for the given buffer size */
178static int saa7134_buffer_pages(int size)
179{
180 size = PAGE_ALIGN(size);
181 size += PAGE_SIZE; /* for non-page-aligned buffers */
182 size /= 4096;
183 return size;
184}
185
186/* calc max # of buffers from size (must not exceed the 4MB virtual
187 * address space per DMA channel) */
188int saa7134_buffer_count(unsigned int size, unsigned int count)
189{
190 unsigned int maxcount;
191
192 maxcount = 1024 / saa7134_buffer_pages(size);
193 if (count > maxcount)
194 count = maxcount;
195 return count;
196}
197
198int saa7134_buffer_startpage(struct saa7134_buf *buf)
199{
200 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
201}
202
203unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
204{
205 unsigned long base;
c1accaa2 206 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1da177e4
LT		 207
208 base = saa7134_buffer_startpage(buf) * 4096;
c1accaa2 209 base += dma->sglist[0].offset;
1da177e4
LT		 210 return base;
211}
212
213/* ------------------------------------------------------------------ */
214
215int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
216{
4ac97914 217 __le32 *cpu;
614b147b 218 dma_addr_t dma_addr = 0;
1da177e4
LT		 219
220 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
221 if (NULL == cpu)
222 return -ENOMEM;
223 pt->size = SAA7134_PGTABLE_SIZE;
224 pt->cpu = cpu;
225 pt->dma = dma_addr;
226 return 0;
227}
228
229int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
230 struct scatterlist *list, unsigned int length,
231 unsigned int startpage)
232{
c9c12b79 233 __le32 *ptr;
1da177e4
LT		 234 unsigned int i,p;
235
236 BUG_ON(NULL == pt || NULL == pt->cpu);
237
238 ptr = pt->cpu + startpage;
239 for (i = 0; i < length; i++, list++)
240 for (p = 0; p * 4096 < list->length; p++, ptr++)
a20758fa 241 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
1da177e4
LT		 242 return 0;
243}
244
245void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
246{
247 if (NULL == pt->cpu)
248 return;
249 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
250 pt->cpu = NULL;
251}
252
253/* ------------------------------------------------------------------ */
254
c7b0ac05 255void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
1da177e4 256{
c1accaa2 257 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
ae24601b 258 BUG_ON(in_interrupt());
1da177e4
LT		 259
260 videobuf_waiton(&buf->vb,0,0);
c1accaa2
MCC		 261 videobuf_dma_unmap(q, dma);
262 videobuf_dma_free(dma);
0fc0686e 263 buf->vb.state = VIDEOBUF_NEEDS_INIT;
1da177e4
LT		 264}
265
266/* ------------------------------------------------------------------ */
267
268int saa7134_buffer_queue(struct saa7134_dev *dev,
269 struct saa7134_dmaqueue *q,
270 struct saa7134_buf *buf)
271{
272 struct saa7134_buf *next = NULL;
273
274 assert_spin_locked(&dev->slock);
275 dprintk("buffer_queue %p\n",buf);
276 if (NULL == q->curr) {
277 if (!q->need_two) {
278 q->curr = buf;
279 buf->activate(dev,buf,NULL);
280 } else if (list_empty(&q->queue)) {
281 list_add_tail(&buf->vb.queue,&q->queue);
0fc0686e 282 buf->vb.state = VIDEOBUF_QUEUED;
1da177e4
LT		 283 } else {
284 next = list_entry(q->queue.next,struct saa7134_buf,
285 vb.queue);
286 q->curr = buf;
287 buf->activate(dev,buf,next);
288 }
289 } else {
290 list_add_tail(&buf->vb.queue,&q->queue);
0fc0686e 291 buf->vb.state = VIDEOBUF_QUEUED;
1da177e4
LT		 292 }
293 return 0;
294}
295
296void saa7134_buffer_finish(struct saa7134_dev *dev,
297 struct saa7134_dmaqueue *q,
298 unsigned int state)
299{
300 assert_spin_locked(&dev->slock);
301 dprintk("buffer_finish %p\n",q->curr);
302
303 /* finish current buffer */
304 q->curr->vb.state = state;
305 do_gettimeofday(&q->curr->vb.ts);
306 wake_up(&q->curr->vb.done);
307 q->curr = NULL;
308}
309
310void saa7134_buffer_next(struct saa7134_dev *dev,
311 struct saa7134_dmaqueue *q)
312{
313 struct saa7134_buf *buf,*next = NULL;
314
315 assert_spin_locked(&dev->slock);
316 BUG_ON(NULL != q->curr);
317
318 if (!list_empty(&q->queue)) {
319 /* activate next one from queue */
320 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
321 dprintk("buffer_next %p [prev=%p/next=%p]\n",
322 buf,q->queue.prev,q->queue.next);
323 list_del(&buf->vb.queue);
324 if (!list_empty(&q->queue))
325 next = list_entry(q->queue.next,struct saa7134_buf,
326 vb.queue);
327 q->curr = buf;
328 buf->activate(dev,buf,next);
329 dprintk("buffer_next #2 prev=%p/next=%p\n",
330 q->queue.prev,q->queue.next);
331 } else {
332 /* nothing to do -- just stop DMA */
333 dprintk("buffer_next %p\n",NULL);
334 saa7134_set_dmabits(dev);
335 del_timer(&q->timeout);
336 }
337}
338
339void saa7134_buffer_timeout(unsigned long data)
340{
341 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
342 struct saa7134_dev *dev = q->dev;
343 unsigned long flags;
344
345 spin_lock_irqsave(&dev->slock,flags);
346
347 /* try to reset the hardware (SWRST) */
348 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
349 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
350 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
351
352 /* flag current buffer as failed,
353 try to start over with the next one. */
354 if (q->curr) {
355 dprintk("timeout on %p\n",q->curr);
0fc0686e 356 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
1da177e4
LT		 357 }
358 saa7134_buffer_next(dev,q);
359 spin_unlock_irqrestore(&dev->slock,flags);
360}
361
362/* ------------------------------------------------------------------ */
363
364int saa7134_set_dmabits(struct saa7134_dev *dev)
365{
366 u32 split, task=0, ctrl=0, irq=0;
367 enum v4l2_field cap = V4L2_FIELD_ANY;
368 enum v4l2_field ov = V4L2_FIELD_ANY;
369
370 assert_spin_locked(&dev->slock);
371
c458473e 372 if (dev->insuspend)
acd827d6
ML		 373 return 0;
374
1da177e4
LT		 375 /* video capture -- dma 0 + video task A */
376 if (dev->video_q.curr) {
377 task |= 0x01;
378 ctrl |= SAA7134_MAIN_CTRL_TE0;
379 irq |= SAA7134_IRQ1_INTE_RA0_1 |
380 SAA7134_IRQ1_INTE_RA0_0;
4ac97914 381 cap = dev->video_q.curr->vb.field;
1da177e4
LT		 382 }
383
384 /* video capture -- dma 1+2 (planar modes) */
385 if (dev->video_q.curr &&
386 dev->video_q.curr->fmt->planar) {
387 ctrl |= SAA7134_MAIN_CTRL_TE4 |
388 SAA7134_MAIN_CTRL_TE5;
389 }
390
391 /* screen overlay -- dma 0 + video task B */
392 if (dev->ovenable) {
393 task |= 0x10;
394 ctrl |= SAA7134_MAIN_CTRL_TE1;
395 ov = dev->ovfield;
396 }
397
398 /* vbi capture -- dma 0 + vbi task A+B */
399 if (dev->vbi_q.curr) {
400 task |= 0x22;
401 ctrl |= SAA7134_MAIN_CTRL_TE2 |
402 SAA7134_MAIN_CTRL_TE3;
403 irq |= SAA7134_IRQ1_INTE_RA0_7 |
404 SAA7134_IRQ1_INTE_RA0_6 |
405 SAA7134_IRQ1_INTE_RA0_5 |
406 SAA7134_IRQ1_INTE_RA0_4;
407 }
408
409 /* audio capture -- dma 3 */
b54134be 410 if (dev->dmasound.dma_running) {
1da177e4
LT		 411 ctrl |= SAA7134_MAIN_CTRL_TE6;
412 irq |= SAA7134_IRQ1_INTE_RA3_1 |
413 SAA7134_IRQ1_INTE_RA3_0;
414 }
415
416 /* TS capture -- dma 5 */
417 if (dev->ts_q.curr) {
418 ctrl |= SAA7134_MAIN_CTRL_TE5;
419 irq |= SAA7134_IRQ1_INTE_RA2_3 |
420 SAA7134_IRQ1_INTE_RA2_2 |
421 SAA7134_IRQ1_INTE_RA2_1 |
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",
474 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
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
PM		 603 "clearing GPIO16 enable bit\n",dev->name);
604 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
605 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
606 /* disable gpio18 IRQs */
607 printk(KERN_WARNING "%s/irq: looping -- "
608 "clearing GPIO18 enable bit\n",dev->name);
609 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1da177e4
LT		 610 } else {
611 /* disable all irqs */
612 printk(KERN_WARNING "%s/irq: looping -- "
613 "clearing all enable bits\n",dev->name);
614 saa_writel(SAA7134_IRQ1,0);
615 saa_writel(SAA7134_IRQ2,0);
616 }
617 }
618
619 out:
620 return IRQ_RETVAL(handled);
621}
622
623/* ------------------------------------------------------------------ */
624
625/* early init (no i2c, no irq) */
cb71201f
ML		 626
627static int saa7134_hw_enable1(struct saa7134_dev *dev)
628{
629 /* RAM FIFO config */
630 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
631 saa_writel(SAA7134_THRESHOULD, 0x02020202);
632
633 /* enable audio + video processing */
634 saa_writel(SAA7134_MAIN_CTRL,
635 SAA7134_MAIN_CTRL_VPLLE |
636 SAA7134_MAIN_CTRL_APLLE |
637 SAA7134_MAIN_CTRL_EXOSC |
638 SAA7134_MAIN_CTRL_EVFE1 |
639 SAA7134_MAIN_CTRL_EVFE2 |
640 SAA7134_MAIN_CTRL_ESFE |
641 SAA7134_MAIN_CTRL_EBDAC);
642
643 /*
644 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
645 * OSS initialization writes to registers via the audio DSP; these
646 * writes will fail unless the audio clock has been started. At worst,
647 * audio will not work.
648 */
649
650 /* enable peripheral devices */
651 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
652
653 /* set vertical line numbering start (vbi needs this) */
654 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
655
656 return 0;
657}
658
1da177e4
LT		 659static int saa7134_hwinit1(struct saa7134_dev *dev)
660{
661 dprintk("hwinit1\n");
662
663 saa_writel(SAA7134_IRQ1, 0);
664 saa_writel(SAA7134_IRQ2, 0);
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
1da177e4 704 saa_writel(SAA7134_IRQ1, 0);
330a115a 705 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 706
707 return 0;
708}
709
cb71201f
ML		 710static int saa7134_hwinit2(struct saa7134_dev *dev)
711{
712
713 dprintk("hwinit2\n");
714
715 saa7134_video_init2(dev);
716 saa7134_tvaudio_init2(dev);
717
718 saa7134_hw_enable2(dev);
719
720 return 0;
721}
722
723
1da177e4
LT		 724/* shutdown */
725static int saa7134_hwfini(struct saa7134_dev *dev)
726{
727 dprintk("hwfini\n");
728
1da177e4
LT		 729 if (card_has_mpeg(dev))
730 saa7134_ts_fini(dev);
731 saa7134_input_fini(dev);
732 saa7134_vbi_fini(dev);
1da177e4
LT		 733 saa7134_tvaudio_fini(dev);
734 return 0;
735}
736
737static void __devinit must_configure_manually(void)
738{
739 unsigned int i,p;
740
741 printk(KERN_WARNING
742 "saa7134: <rant>\n"
743 "saa7134: Congratulations! Your TV card vendor saved a few\n"
744 "saa7134: cents for a eeprom, thus your pci board has no\n"
745 "saa7134: subsystem ID and I can't identify it automatically\n"
746 "saa7134: </rant>\n"
747 "saa7134: I feel better now. Ok, here are the good news:\n"
748 "saa7134: You can use the card=<nr> insmod option to specify\n"
749 "saa7134: which board do you have. The list:\n");
750 for (i = 0; i < saa7134_bcount; i++) {
751 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
752 i,saa7134_boards[i].name);
753 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
754 if (saa7134_pci_tbl[p].driver_data != i)
755 continue;
756 printk(" %04x:%04x",
757 saa7134_pci_tbl[p].subvendor,
758 saa7134_pci_tbl[p].subdevice);
759 }
760 printk("\n");
761 }
762}
763
764static struct video_device *vdev_init(struct saa7134_dev *dev,
765 struct video_device *template,
766 char *type)
767{
768 struct video_device *vfd;
769
770 vfd = video_device_alloc();
771 if (NULL == vfd)
772 return NULL;
773 *vfd = *template;
774 vfd->minor = -1;
5e85e732 775 vfd->parent = &dev->pci->dev;
1da177e4 776 vfd->release = video_device_release;
8c85454a 777 vfd->debug = video_debug;
1da177e4
LT		 778 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
779 dev->name, type, saa7134_boards[dev->board].name);
780 return vfd;
781}
782
783static void saa7134_unregister_video(struct saa7134_dev *dev)
784{
785 if (dev->video_dev) {
786 if (-1 != dev->video_dev->minor)
787 video_unregister_device(dev->video_dev);
788 else
789 video_device_release(dev->video_dev);
790 dev->video_dev = NULL;
791 }
792 if (dev->vbi_dev) {
793 if (-1 != dev->vbi_dev->minor)
794 video_unregister_device(dev->vbi_dev);
795 else
796 video_device_release(dev->vbi_dev);
797 dev->vbi_dev = NULL;
798 }
799 if (dev->radio_dev) {
800 if (-1 != dev->radio_dev->minor)
801 video_unregister_device(dev->radio_dev);
802 else
803 video_device_release(dev->radio_dev);
804 dev->radio_dev = NULL;
805 }
806}
807
808static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
809 struct saa7134_dev *dev)
810{
811 int err;
812
813 if (NULL != dev->mops)
814 return;
815 if (saa7134_boards[dev->board].mpeg != ops->type)
816 return;
817 err = ops->init(dev);
818 if (0 != err)
819 return;
820 dev->mops = ops;
821}
822
823static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
824 struct saa7134_dev *dev)
825{
826 if (NULL == dev->mops)
827 return;
828 if (dev->mops != ops)
829 return;
830 dev->mops->fini(dev);
831 dev->mops = NULL;
832}
833
834static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
835 const struct pci_device_id *pci_id)
836{
837 struct saa7134_dev *dev;
1da177e4
LT		 838 struct saa7134_mpeg_ops *mops;
839 int err;
840
a4df8e1d
AM		 841 if (saa7134_devcount == SAA7134_MAXBOARDS)
842 return -ENOMEM;
843
7408187d 844 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1da177e4
LT		 845 if (NULL == dev)
846 return -ENOMEM;
1da177e4
LT		 847
848 /* pci init */
849 dev->pci = pci_dev;
850 if (pci_enable_device(pci_dev)) {
851 err = -EIO;
852 goto fail1;
853 }
854
855 dev->nr = saa7134_devcount;
856 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
857
858 /* pci quirks */
859 if (pci_pci_problems) {
860 if (pci_pci_problems & PCIPCI_TRITON)
861 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
862 if (pci_pci_problems & PCIPCI_NATOMA)
863 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
864 if (pci_pci_problems & PCIPCI_VIAETBF)
865 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
866 if (pci_pci_problems & PCIPCI_VSFX)
867 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
868#ifdef PCIPCI_ALIMAGIK
869 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
870 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
871 dev->name);
872 latency = 0x0A;
873 }
874#endif
3d265c96 875 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
9050d942
MCC		 876 printk(KERN_INFO "%s: quirk: this driver and your "
877 "chipset may not work together"
878 " in overlay mode.\n",dev->name);
ecb73774 879 if (!saa7134_no_overlay) {
9050d942
MCC		 880 printk(KERN_INFO "%s: quirk: overlay "
881 "mode will be disabled.\n",
882 dev->name);
ecb73774 883 saa7134_no_overlay = 1;
9050d942
MCC		 884 } else {
885 printk(KERN_INFO "%s: quirk: overlay "
886 "mode will be forced. Use this"
887 " option at your own risk.\n",
888 dev->name);
889 }
890 }
1da177e4
LT		 891 }
892 if (UNSET != latency) {
893 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
894 dev->name,latency);
895 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
896 }
897
898 /* print pci info */
899 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
4ac97914
MCC		 900 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
901 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
228aef63 902 "latency: %d, mmio: 0x%llx\n", dev->name,
1da177e4 903 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
228aef63 904 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4 905 pci_set_master(pci_dev);
56b146d3 906 if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
1da177e4
LT		 907 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
908 err = -EIO;
909 goto fail1;
910 }
911
912 /* board config */
913 dev->board = pci_id->driver_data;
914 if (card[dev->nr] >= 0 &&
915 card[dev->nr] < saa7134_bcount)
916 dev->board = card[dev->nr];
917 if (SAA7134_BOARD_NOAUTO == dev->board) {
918 must_configure_manually();
919 dev->board = SAA7134_BOARD_UNKNOWN;
920 }
a75ec3f0 921 dev->autodetected = card[dev->nr] != dev->board;
d53687d1
SA		 922 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
923 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
1da177e4
LT		 924 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
925 if (UNSET != tuner[dev->nr])
926 dev->tuner_type = tuner[dev->nr];
d53687d1 927 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
a75ec3f0
HH		 928 dev->name,pci_dev->subsystem_vendor,
929 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
930 dev->board, dev->autodetected ?
931 "autodetected" : "insmod option");
1da177e4
LT		 932
933 /* get mmio */
934 if (!request_mem_region(pci_resource_start(pci_dev,0),
935 pci_resource_len(pci_dev,0),
936 dev->name)) {
937 err = -EBUSY;
228aef63
GKH		 938 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
939 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4
LT		 940 goto fail1;
941 }
942 dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
943 dev->bmmio = (__u8 __iomem *)dev->lmmio;
944 if (NULL == dev->lmmio) {
945 err = -EIO;
946 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
947 dev->name);
948 goto fail2;
949 }
950
951 /* initialize hardware #1 */
1da177e4
LT		 952 saa7134_board_init1(dev);
953 saa7134_hwinit1(dev);
954
955 /* get irq */
956 err = request_irq(pci_dev->irq, saa7134_irq,
8076fe32 957 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1da177e4
LT		 958 if (err < 0) {
959 printk(KERN_ERR "%s: can't get IRQ %d\n",
960 dev->name,pci_dev->irq);
961 goto fail3;
962 }
963
964 /* wait a bit, register i2c bus */
965 msleep(100);
966 saa7134_i2c_register(dev);
967
968 /* initialize hardware #2 */
c030f5e6
MCC		 969 if (TUNER_ABSENT != dev->tuner_type)
970 request_module("tuner");
1da177e4 971 saa7134_board_init2(dev);
c030f5e6 972
1da177e4
LT		 973 saa7134_hwinit2(dev);
974
975 /* load i2c helpers */
4ac97914 976 if (card_is_empress(dev)) {
1da177e4 977 request_module("saa6752hs");
1da177e4 978 }
330a115a 979
4217e252 980 request_submodules(dev);
b54134be 981
1da177e4
LT		 982 v4l2_prio_init(&dev->prio);
983
984 /* register v4l devices */
0ea6bc8d
HV		 985 if (saa7134_no_overlay > 0)
986 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
987
1da177e4
LT		 988 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
989 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
990 video_nr[dev->nr]);
991 if (err < 0) {
992 printk(KERN_INFO "%s: can't register video device\n",
993 dev->name);
994 goto fail4;
995 }
996 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
997 dev->name,dev->video_dev->minor & 0x1f);
998
a9622391 999 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
a9622391 1000
1da177e4
LT		 1001 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1002 vbi_nr[dev->nr]);
1003 if (err < 0)
1004 goto fail4;
1005 printk(KERN_INFO "%s: registered device vbi%d\n",
1006 dev->name,dev->vbi_dev->minor & 0x1f);
1007
1008 if (card_has_radio(dev)) {
1009 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1010 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1011 radio_nr[dev->nr]);
1012 if (err < 0)
1013 goto fail4;
1014 printk(KERN_INFO "%s: registered device radio%d\n",
1015 dev->name,dev->radio_dev->minor & 0x1f);
1016 }
1017
1da177e4
LT		 1018 /* everything worked */
1019 pci_set_drvdata(pci_dev,dev);
1020 saa7134_devcount++;
1021
1e4baed3 1022 mutex_lock(&devlist_lock);
6d28e989 1023 list_for_each_entry(mops, &mops_list, next)
1da177e4 1024 mpeg_ops_attach(mops, dev);
1da177e4 1025 list_add_tail(&dev->devlist,&saa7134_devlist);
1e4baed3 1026 mutex_unlock(&devlist_lock);
1da177e4
LT		 1027
1028 /* check for signal */
11f7078c 1029 saa7134_irq_video_signalchange(dev);
c817e763 1030
78457018
AB		 1031 if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1032 saa7134_dmasound_init(dev);
f5b974cb
RC		 1033 }
1034
80d35237
HH		 1035 if (TUNER_ABSENT != dev->tuner_type)
1036 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1037
1da177e4
LT		 1038 return 0;
1039
1da177e4
LT		 1040 fail4:
1041 saa7134_unregister_video(dev);
1042 saa7134_i2c_unregister(dev);
1043 free_irq(pci_dev->irq, dev);
1044 fail3:
1045 saa7134_hwfini(dev);
1046 iounmap(dev->lmmio);
1047 fail2:
1048 release_mem_region(pci_resource_start(pci_dev,0),
1049 pci_resource_len(pci_dev,0));
1050 fail1:
1051 kfree(dev);
1052 return err;
1053}
1054
1055static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1056{
4ac97914 1057 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1da177e4
LT		 1058 struct saa7134_mpeg_ops *mops;
1059
f5b974cb 1060 /* Release DMA sound modules if present */
78457018
AB		 1061 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1062 saa7134_dmasound_exit(dev);
f5b974cb
RC		 1063 }
1064
1da177e4
LT		 1065 /* debugging ... */
1066 if (irq_debug) {
1067 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1068 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1069 print_irqstatus(dev,42,report,status);
1070 }
1071
1072 /* disable peripheral devices */
1073 saa_writeb(SAA7134_SPECIAL_MODE,0);
1074
1075 /* shutdown hardware */
1076 saa_writel(SAA7134_IRQ1,0);
1077 saa_writel(SAA7134_IRQ2,0);
1078 saa_writel(SAA7134_MAIN_CTRL,0);
1079
1080 /* shutdown subsystems */
1081 saa7134_hwfini(dev);
1082
1083 /* unregister */
1e4baed3 1084 mutex_lock(&devlist_lock);
1da177e4 1085 list_del(&dev->devlist);
6d28e989 1086 list_for_each_entry(mops, &mops_list, next)
1da177e4 1087 mpeg_ops_detach(mops, dev);
1e4baed3 1088 mutex_unlock(&devlist_lock);
1da177e4
LT		 1089 saa7134_devcount--;
1090
1091 saa7134_i2c_unregister(dev);
1da177e4
LT		 1092 saa7134_unregister_video(dev);
1093
f5b974cb 1094
4aabf633
RC		 1095 /* the DMA sound modules should be unloaded before reaching
1096 this, but just in case they are still present... */
1097 if (dev->dmasound.priv_data != NULL) {
1098 free_irq(pci_dev->irq, &dev->dmasound);
1099 dev->dmasound.priv_data = NULL;
1100 }
1101
f5b974cb 1102
4aabf633 1103 /* release resources */
1da177e4
LT		 1104 free_irq(pci_dev->irq, dev);
1105 iounmap(dev->lmmio);
1106 release_mem_region(pci_resource_start(pci_dev,0),
1107 pci_resource_len(pci_dev,0));
1108
1da177e4
LT		 1109 pci_set_drvdata(pci_dev, NULL);
1110
1111 /* free memory */
1112 kfree(dev);
1113}
1114
c458473e 1115#ifdef CONFIG_PM
05d26cc8
AB		 1116
1117/* resends a current buffer in queue after resume */
1118static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1119 struct saa7134_dmaqueue *q)
1120{
1121 struct saa7134_buf *buf, *next;
1122
1123 assert_spin_locked(&dev->slock);
1124
1125 buf = q->curr;
1126 next = buf;
1127 dprintk("buffer_requeue\n");
1128
1129 if (!buf)
1130 return 0;
1131
1132 dprintk("buffer_requeue : resending active buffers \n");
1133
1134 if (!list_empty(&q->queue))
1135 next = list_entry(q->queue.next, struct saa7134_buf,
1136 vb.queue);
1137 buf->activate(dev, buf, next);
1138
1139 return 0;
1140}
1141
cb71201f
ML		 1142static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1143{
1144
cb71201f
ML		 1145 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1146
acd827d6
ML		 1147 /* disable overlay - apps should enable it explicitly on resume*/
1148 dev->ovenable = 0;
1149
1150 /* Disable interrupts, DMA, and rest of the chip*/
cb71201f
ML		 1151 saa_writel(SAA7134_IRQ1, 0);
1152 saa_writel(SAA7134_IRQ2, 0);
acd827d6 1153 saa_writel(SAA7134_MAIN_CTRL, 0);
cb71201f 1154
c458473e 1155 dev->insuspend = 1;
3203cb86
ML		 1156 synchronize_irq(pci_dev->irq);
1157
1158 /* ACK interrupts once more, just in case,
1159 since the IRQ handler won't ack them anymore*/
1160
1161 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
c458473e
ML		 1162
1163 /* Disable timeout timers - if we have active buffers, we will
1164 fill them on resume*/
1165
1166 del_timer(&dev->video_q.timeout);
1167 del_timer(&dev->vbi_q.timeout);
1168 del_timer(&dev->ts_q.timeout);
f40aa808
MS		 1169
1170 if (dev->remote)
1171 saa7134_ir_stop(dev);
c458473e 1172
cb71201f 1173 pci_save_state(pci_dev);
0d65cd4f 1174 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
cb71201f 1175
0d65cd4f 1176 return 0;
cb71201f
ML		 1177}
1178
1179static int saa7134_resume(struct pci_dev *pci_dev)
1180{
cb71201f 1181 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
a3c53e23 1182 unsigned long flags;
cb71201f 1183
cb71201f 1184 pci_set_power_state(pci_dev, PCI_D0);
0d65cd4f 1185 pci_restore_state(pci_dev);
cb71201f
ML		 1186
1187 /* Do things that are done in saa7134_initdev ,
1188 except of initializing memory structures.*/
1189
1190 saa7134_board_init1(dev);
1191
c458473e 1192 /* saa7134_hwinit1 */
cb71201f
ML		 1193 if (saa7134_boards[dev->board].video_out)
1194 saa7134_videoport_init(dev);
cb71201f
ML		 1195 if (card_has_mpeg(dev))
1196 saa7134_ts_init_hw(dev);
c458473e
ML		 1197 if (dev->remote)
1198 saa7134_ir_start(dev, dev->remote);
cb71201f 1199 saa7134_hw_enable1(dev);
c458473e 1200
5c01203f 1201 msleep(100);
c458473e 1202
cb71201f 1203 saa7134_board_init2(dev);
cb71201f 1204
c458473e
ML		 1205 /*saa7134_hwinit2*/
1206 saa7134_set_tvnorm_hw(dev);
cb71201f 1207 saa7134_tvaudio_setmute(dev);
cb71201f 1208 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
f36224d3 1209 saa7134_tvaudio_init(dev);
c458473e 1210 saa7134_tvaudio_do_scan(dev);
cb71201f 1211 saa7134_enable_i2s(dev);
c458473e 1212 saa7134_hw_enable2(dev);
cb71201f 1213
5c01203f
ML		 1214 saa7134_irq_video_signalchange(dev);
1215
acd827d6
ML		 1216 /*resume unfinished buffer(s)*/
1217 spin_lock_irqsave(&dev->slock, flags);
cb71201f
ML		 1218 saa7134_buffer_requeue(dev, &dev->video_q);
1219 saa7134_buffer_requeue(dev, &dev->vbi_q);
1220 saa7134_buffer_requeue(dev, &dev->ts_q);
1221
c458473e
ML		 1222 /* FIXME: Disable DMA audio sound - temporary till proper support
1223 is implemented*/
1224
1225 dev->dmasound.dma_running = 0;
1226
acd827d6 1227 /* start DMA now*/
c458473e 1228 dev->insuspend = 0;
3203cb86 1229 smp_wmb();
acd827d6
ML		 1230 saa7134_set_dmabits(dev);
1231 spin_unlock_irqrestore(&dev->slock, flags);
1232
cb71201f
ML		 1233 return 0;
1234}
c458473e 1235#endif
cb71201f 1236
1da177e4
LT		 1237/* ----------------------------------------------------------- */
1238
1239int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1240{
1da177e4
LT		 1241 struct saa7134_dev *dev;
1242
1e4baed3 1243 mutex_lock(&devlist_lock);
6d28e989 1244 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1245 mpeg_ops_attach(ops, dev);
1da177e4 1246 list_add_tail(&ops->next,&mops_list);
1e4baed3 1247 mutex_unlock(&devlist_lock);
1da177e4
LT		 1248 return 0;
1249}
1250
1251void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1252{
1da177e4
LT		 1253 struct saa7134_dev *dev;
1254
1e4baed3 1255 mutex_lock(&devlist_lock);
1da177e4 1256 list_del(&ops->next);
6d28e989 1257 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1258 mpeg_ops_detach(ops, dev);
1e4baed3 1259 mutex_unlock(&devlist_lock);
1da177e4
LT		 1260}
1261
1262EXPORT_SYMBOL(saa7134_ts_register);
1263EXPORT_SYMBOL(saa7134_ts_unregister);
1264
1265/* ----------------------------------------------------------- */
1266
1267static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1268 .name = "saa7134",
1269 .id_table = saa7134_pci_tbl,
1270 .probe = saa7134_initdev,
1271 .remove = __devexit_p(saa7134_finidev),
c458473e 1272#ifdef CONFIG_PM
cb71201f
ML		 1273 .suspend = saa7134_suspend,
1274 .resume = saa7134_resume
c458473e 1275#endif
1da177e4
LT		 1276};
1277
1278static int saa7134_init(void)
1279{
1280 INIT_LIST_HEAD(&saa7134_devlist);
1281 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1282 (SAA7134_VERSION_CODE >> 16) & 0xff,
1283 (SAA7134_VERSION_CODE >> 8) & 0xff,
1284 SAA7134_VERSION_CODE & 0xff);
1285#ifdef SNAPSHOT
1286 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1287 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1288#endif
2304759d 1289 return pci_register_driver(&saa7134_pci_driver);
1da177e4
LT		 1290}
1291
1292static void saa7134_fini(void)
1293{
1da177e4
LT		 1294 pci_unregister_driver(&saa7134_pci_driver);
1295}
1296
1297module_init(saa7134_init);
1298module_exit(saa7134_fini);
1299
1300/* ----------------------------------------------------------- */
1301
58ef4f92 1302EXPORT_SYMBOL(saa7134_set_gpio);
1da177e4
LT		 1303EXPORT_SYMBOL(saa7134_i2c_call_clients);
1304EXPORT_SYMBOL(saa7134_devlist);
1305EXPORT_SYMBOL(saa7134_boards);
1306
4aabf633 1307/* ----------------- for the DMA sound modules --------------- */
79dd0c69 1308
78457018
AB		 1309EXPORT_SYMBOL(saa7134_dmasound_init);
1310EXPORT_SYMBOL(saa7134_dmasound_exit);
79dd0c69
RC		 1311EXPORT_SYMBOL(saa7134_pgtable_free);
1312EXPORT_SYMBOL(saa7134_pgtable_build);
1313EXPORT_SYMBOL(saa7134_pgtable_alloc);
1314EXPORT_SYMBOL(saa7134_set_dmabits);
1315
1da177e4
LT		 1316/* ----------------------------------------------------------- */
1317/*
1318 * Local variables:
1319 * c-basic-offset: 8
1320 * End:
1321 */
Linux 6.x block layer and io_uring tree(s)