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V4L/DVB (10218): cx23885: Fix Oops for mixed install of analog and digital only cards
[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;
8809b9cc 419 irq |= SAA7134_IRQ1_INTE_RA2_1 |
1da177e4
LT		 420 SAA7134_IRQ1_INTE_RA2_0;
421 }
422
423 /* set task conditions + field handling */
424 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
425 /* default config -- use full frames */
426 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
427 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
428 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
429 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
430 split = 0;
431 } else {
432 /* split fields between tasks */
433 if (V4L2_FIELD_TOP == cap) {
434 /* odd A, even B, repeat */
435 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
437 } else {
438 /* odd B, even A, repeat */
439 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
440 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
441 }
442 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
443 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
444 split = 1;
445 }
446
447 /* irqs */
448 saa_writeb(SAA7134_REGION_ENABLE, task);
449 saa_writel(SAA7134_IRQ1, irq);
450 saa_andorl(SAA7134_MAIN_CTRL,
451 SAA7134_MAIN_CTRL_TE0 |
452 SAA7134_MAIN_CTRL_TE1 |
453 SAA7134_MAIN_CTRL_TE2 |
454 SAA7134_MAIN_CTRL_TE3 |
455 SAA7134_MAIN_CTRL_TE4 |
456 SAA7134_MAIN_CTRL_TE5 |
457 SAA7134_MAIN_CTRL_TE6,
458 ctrl);
459 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
460 task, ctrl, irq, split ? "no" : "yes");
461
462 return 0;
463}
464
465/* ------------------------------------------------------------------ */
466/* IRQ handler + helpers */
467
468static char *irqbits[] = {
469 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
470 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
471 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
472 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
473};
474#define IRQBITS ARRAY_SIZE(irqbits)
475
476static void print_irqstatus(struct saa7134_dev *dev, int loop,
477 unsigned long report, unsigned long status)
478{
479 unsigned int i;
480
481 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
482 dev->name,loop,jiffies,report,status);
483 for (i = 0; i < IRQBITS; i++) {
484 if (!(report & (1 << i)))
485 continue;
486 printk(" %s",irqbits[i]);
487 }
488 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
489 printk(" | RA0=%s,%s,%s,%ld",
490 (status & 0x40) ? "vbi" : "video",
491 (status & 0x20) ? "b" : "a",
492 (status & 0x10) ? "odd" : "even",
493 (status & 0x0f));
494 }
495 printk("\n");
496}
497
7d12e780 498static irqreturn_t saa7134_irq(int irq, void *dev_id)
1da177e4
LT		 499{
500 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
501 unsigned long report,status;
502 int loop, handled = 0;
503
c458473e
ML		 504 if (dev->insuspend)
505 goto out;
506
1da177e4
LT		 507 for (loop = 0; loop < 10; loop++) {
508 report = saa_readl(SAA7134_IRQ_REPORT);
509 status = saa_readl(SAA7134_IRQ_STATUS);
79dd0c69 510
843b1378
HL		 511 /* If dmasound support is active and we get a sound report,
512 * mask out the report and let the saa7134-alsa module deal
513 * with it */
4aabf633
RC		 514 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
515 (dev->dmasound.priv_data != NULL) )
516 {
79dd0c69 517 if (irq_debug > 1)
843b1378
HL		 518 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
519 dev->name);
520 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
521 }
522
523 if (0 == report) {
524 if (irq_debug > 1)
525 printk(KERN_DEBUG "%s/irq: no (more) work\n",
79dd0c69
RC		 526 dev->name);
527 goto out;
528 }
529
1da177e4
LT		 530 handled = 1;
531 saa_writel(SAA7134_IRQ_REPORT,report);
532 if (irq_debug)
533 print_irqstatus(dev,loop,report,status);
534
1da177e4 535
11f7078c
ML		 536 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
537 (report & SAA7134_IRQ_REPORT_INTL))
538 saa7134_irq_video_signalchange(dev);
539
1da177e4
LT		 540
541 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
542 (status & 0x60) == 0)
543 saa7134_irq_video_done(dev,status);
544
545 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
546 (status & 0x40) == 0x40)
547 saa7134_irq_vbi_done(dev,status);
548
549 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
550 card_has_mpeg(dev))
551 saa7134_irq_ts_done(dev,status);
552
0602fbb2
PM		 553 if (report & SAA7134_IRQ_REPORT_GPIO16) {
554 switch (dev->has_remote) {
555 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 556 if (!dev->remote)
557 break;
0602fbb2
PM		 558 if (dev->remote->mask_keydown & 0x10000) {
559 saa7134_input_irq(dev);
560 }
561 break;
562
563 case SAA7134_REMOTE_I2C:
564 break; /* FIXME: invoke I2C get_key() */
565
566 default: /* GPIO16 not used by IR remote */
567 break;
568 }
569 }
bd15eba3 570
0602fbb2
PM		 571 if (report & SAA7134_IRQ_REPORT_GPIO18) {
572 switch (dev->has_remote) {
573 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 574 if (!dev->remote)
575 break;
0602fbb2
PM		 576 if ((dev->remote->mask_keydown & 0x40000) ||
577 (dev->remote->mask_keyup & 0x40000)) {
578 saa7134_input_irq(dev);
579 }
580 break;
581
582 case SAA7134_REMOTE_I2C:
583 break; /* FIXME: invoke I2C get_key() */
584
585 default: /* GPIO18 not used by IR remote */
586 break;
587 }
588 }
1da177e4
LT		 589 }
590
591 if (10 == loop) {
592 print_irqstatus(dev,loop,report,status);
593 if (report & SAA7134_IRQ_REPORT_PE) {
594 /* disable all parity error */
595 printk(KERN_WARNING "%s/irq: looping -- "
596 "clearing PE (parity error!) enable bit\n",dev->name);
597 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
0602fbb2
PM		 598 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
599 /* disable gpio16 IRQ */
1da177e4 600 printk(KERN_WARNING "%s/irq: looping -- "
0602fbb2
PM		 601 "clearing GPIO16 enable bit\n",dev->name);
602 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
603 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
604 /* disable gpio18 IRQs */
605 printk(KERN_WARNING "%s/irq: looping -- "
606 "clearing GPIO18 enable bit\n",dev->name);
607 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1da177e4
LT		 608 } else {
609 /* disable all irqs */
610 printk(KERN_WARNING "%s/irq: looping -- "
611 "clearing all enable bits\n",dev->name);
612 saa_writel(SAA7134_IRQ1,0);
613 saa_writel(SAA7134_IRQ2,0);
614 }
615 }
616
617 out:
618 return IRQ_RETVAL(handled);
619}
620
621/* ------------------------------------------------------------------ */
622
623/* early init (no i2c, no irq) */
cb71201f
ML		 624
625static int saa7134_hw_enable1(struct saa7134_dev *dev)
626{
627 /* RAM FIFO config */
628 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
629 saa_writel(SAA7134_THRESHOULD, 0x02020202);
630
631 /* enable audio + video processing */
632 saa_writel(SAA7134_MAIN_CTRL,
633 SAA7134_MAIN_CTRL_VPLLE |
634 SAA7134_MAIN_CTRL_APLLE |
635 SAA7134_MAIN_CTRL_EXOSC |
636 SAA7134_MAIN_CTRL_EVFE1 |
637 SAA7134_MAIN_CTRL_EVFE2 |
638 SAA7134_MAIN_CTRL_ESFE |
639 SAA7134_MAIN_CTRL_EBDAC);
640
641 /*
642 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
643 * OSS initialization writes to registers via the audio DSP; these
644 * writes will fail unless the audio clock has been started. At worst,
645 * audio will not work.
646 */
647
648 /* enable peripheral devices */
649 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
650
651 /* set vertical line numbering start (vbi needs this) */
652 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
653
654 return 0;
655}
656
1da177e4
LT		 657static int saa7134_hwinit1(struct saa7134_dev *dev)
658{
659 dprintk("hwinit1\n");
660
661 saa_writel(SAA7134_IRQ1, 0);
662 saa_writel(SAA7134_IRQ2, 0);
3593cab5 663 mutex_init(&dev->lock);
1da177e4
LT		 664 spin_lock_init(&dev->slock);
665
666 saa7134_track_gpio(dev,"pre-init");
667 saa7134_video_init1(dev);
668 saa7134_vbi_init1(dev);
669 if (card_has_mpeg(dev))
670 saa7134_ts_init1(dev);
671 saa7134_input_init1(dev);
672
cb71201f 673 saa7134_hw_enable1(dev);
1da177e4
LT		 674
675 return 0;
676}
677
678/* late init (with i2c + irq) */
cb71201f 679static int saa7134_hw_enable2(struct saa7134_dev *dev)
1da177e4 680{
1da177e4 681
cb71201f 682 unsigned int irq2_mask;
1da177e4
LT		 683
684 /* enable IRQ's */
4ac97914 685 irq2_mask =
330a115a
MCC		 686 SAA7134_IRQ2_INTE_DEC3 |
687 SAA7134_IRQ2_INTE_DEC2 |
688 SAA7134_IRQ2_INTE_DEC1 |
689 SAA7134_IRQ2_INTE_DEC0 |
690 SAA7134_IRQ2_INTE_PE |
691 SAA7134_IRQ2_INTE_AR;
692
7a766f9d 693 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
0602fbb2
PM		 694 if (dev->remote->mask_keydown & 0x10000)
695 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
696 else if (dev->remote->mask_keydown & 0x40000)
697 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
698 else if (dev->remote->mask_keyup & 0x40000)
699 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
700 }
330a115a 701
3de2ed12
DB		 702 if (dev->has_remote == SAA7134_REMOTE_I2C) {
703 request_module("ir-kbd-i2c");
704 }
705
1da177e4 706 saa_writel(SAA7134_IRQ1, 0);
330a115a 707 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 708
709 return 0;
710}
711
cb71201f
ML		 712static int saa7134_hwinit2(struct saa7134_dev *dev)
713{
714
715 dprintk("hwinit2\n");
716
717 saa7134_video_init2(dev);
718 saa7134_tvaudio_init2(dev);
719
720 saa7134_hw_enable2(dev);
721
722 return 0;
723}
724
725
1da177e4
LT		 726/* shutdown */
727static int saa7134_hwfini(struct saa7134_dev *dev)
728{
729 dprintk("hwfini\n");
730
1da177e4
LT		 731 if (card_has_mpeg(dev))
732 saa7134_ts_fini(dev);
733 saa7134_input_fini(dev);
734 saa7134_vbi_fini(dev);
1da177e4
LT		 735 saa7134_tvaudio_fini(dev);
736 return 0;
737}
738
739static void __devinit must_configure_manually(void)
740{
741 unsigned int i,p;
742
743 printk(KERN_WARNING
744 "saa7134: <rant>\n"
745 "saa7134: Congratulations! Your TV card vendor saved a few\n"
746 "saa7134: cents for a eeprom, thus your pci board has no\n"
747 "saa7134: subsystem ID and I can't identify it automatically\n"
748 "saa7134: </rant>\n"
749 "saa7134: I feel better now. Ok, here are the good news:\n"
750 "saa7134: You can use the card=<nr> insmod option to specify\n"
751 "saa7134: which board do you have. The list:\n");
752 for (i = 0; i < saa7134_bcount; i++) {
753 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
754 i,saa7134_boards[i].name);
755 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
756 if (saa7134_pci_tbl[p].driver_data != i)
757 continue;
758 printk(" %04x:%04x",
759 saa7134_pci_tbl[p].subvendor,
760 saa7134_pci_tbl[p].subdevice);
761 }
762 printk("\n");
763 }
764}
765
766static struct video_device *vdev_init(struct saa7134_dev *dev,
767 struct video_device *template,
768 char *type)
769{
770 struct video_device *vfd;
771
772 vfd = video_device_alloc();
773 if (NULL == vfd)
774 return NULL;
775 *vfd = *template;
776 vfd->minor = -1;
5e85e732 777 vfd->parent = &dev->pci->dev;
1da177e4 778 vfd->release = video_device_release;
8c85454a 779 vfd->debug = video_debug;
1da177e4
LT		 780 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
781 dev->name, type, saa7134_boards[dev->board].name);
782 return vfd;
783}
784
785static void saa7134_unregister_video(struct saa7134_dev *dev)
786{
787 if (dev->video_dev) {
788 if (-1 != dev->video_dev->minor)
789 video_unregister_device(dev->video_dev);
790 else
791 video_device_release(dev->video_dev);
792 dev->video_dev = NULL;
793 }
794 if (dev->vbi_dev) {
795 if (-1 != dev->vbi_dev->minor)
796 video_unregister_device(dev->vbi_dev);
797 else
798 video_device_release(dev->vbi_dev);
799 dev->vbi_dev = NULL;
800 }
801 if (dev->radio_dev) {
802 if (-1 != dev->radio_dev->minor)
803 video_unregister_device(dev->radio_dev);
804 else
805 video_device_release(dev->radio_dev);
806 dev->radio_dev = NULL;
807 }
808}
809
810static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
811 struct saa7134_dev *dev)
812{
813 int err;
814
815 if (NULL != dev->mops)
816 return;
817 if (saa7134_boards[dev->board].mpeg != ops->type)
818 return;
819 err = ops->init(dev);
820 if (0 != err)
821 return;
822 dev->mops = ops;
823}
824
825static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
826 struct saa7134_dev *dev)
827{
828 if (NULL == dev->mops)
829 return;
830 if (dev->mops != ops)
831 return;
832 dev->mops->fini(dev);
833 dev->mops = NULL;
834}
835
836static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
837 const struct pci_device_id *pci_id)
838{
839 struct saa7134_dev *dev;
1da177e4
LT		 840 struct saa7134_mpeg_ops *mops;
841 int err;
842
a4df8e1d
AM		 843 if (saa7134_devcount == SAA7134_MAXBOARDS)
844 return -ENOMEM;
845
7408187d 846 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1da177e4
LT		 847 if (NULL == dev)
848 return -ENOMEM;
1da177e4
LT		 849
850 /* pci init */
851 dev->pci = pci_dev;
852 if (pci_enable_device(pci_dev)) {
853 err = -EIO;
854 goto fail1;
855 }
856
857 dev->nr = saa7134_devcount;
858 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
859
860 /* pci quirks */
861 if (pci_pci_problems) {
862 if (pci_pci_problems & PCIPCI_TRITON)
863 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
864 if (pci_pci_problems & PCIPCI_NATOMA)
865 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
866 if (pci_pci_problems & PCIPCI_VIAETBF)
867 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
868 if (pci_pci_problems & PCIPCI_VSFX)
869 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
870#ifdef PCIPCI_ALIMAGIK
871 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
872 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
873 dev->name);
874 latency = 0x0A;
875 }
876#endif
3d265c96 877 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
9050d942
MCC		 878 printk(KERN_INFO "%s: quirk: this driver and your "
879 "chipset may not work together"
880 " in overlay mode.\n",dev->name);
ecb73774 881 if (!saa7134_no_overlay) {
9050d942
MCC		 882 printk(KERN_INFO "%s: quirk: overlay "
883 "mode will be disabled.\n",
884 dev->name);
ecb73774 885 saa7134_no_overlay = 1;
9050d942
MCC		 886 } else {
887 printk(KERN_INFO "%s: quirk: overlay "
888 "mode will be forced. Use this"
889 " option at your own risk.\n",
890 dev->name);
891 }
892 }
1da177e4
LT		 893 }
894 if (UNSET != latency) {
895 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
896 dev->name,latency);
897 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
898 }
899
900 /* print pci info */
901 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
4ac97914
MCC		 902 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
903 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
228aef63 904 "latency: %d, mmio: 0x%llx\n", dev->name,
1da177e4 905 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
228aef63 906 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4 907 pci_set_master(pci_dev);
56b146d3 908 if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
1da177e4
LT		 909 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
910 err = -EIO;
911 goto fail1;
912 }
913
914 /* board config */
915 dev->board = pci_id->driver_data;
916 if (card[dev->nr] >= 0 &&
917 card[dev->nr] < saa7134_bcount)
918 dev->board = card[dev->nr];
919 if (SAA7134_BOARD_NOAUTO == dev->board) {
920 must_configure_manually();
921 dev->board = SAA7134_BOARD_UNKNOWN;
922 }
a75ec3f0 923 dev->autodetected = card[dev->nr] != dev->board;
d53687d1
SA		 924 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
925 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
1da177e4
LT		 926 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
927 if (UNSET != tuner[dev->nr])
928 dev->tuner_type = tuner[dev->nr];
d53687d1 929 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
a75ec3f0
HH		 930 dev->name,pci_dev->subsystem_vendor,
931 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
932 dev->board, dev->autodetected ?
933 "autodetected" : "insmod option");
1da177e4
LT		 934
935 /* get mmio */
936 if (!request_mem_region(pci_resource_start(pci_dev,0),
937 pci_resource_len(pci_dev,0),
938 dev->name)) {
939 err = -EBUSY;
228aef63
GKH		 940 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
941 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4
LT		 942 goto fail1;
943 }
d522af58
SS		 944 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
945 pci_resource_len(pci_dev, 0));
1da177e4
LT		 946 dev->bmmio = (__u8 __iomem *)dev->lmmio;
947 if (NULL == dev->lmmio) {
948 err = -EIO;
949 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
950 dev->name);
951 goto fail2;
952 }
953
954 /* initialize hardware #1 */
1da177e4
LT		 955 saa7134_board_init1(dev);
956 saa7134_hwinit1(dev);
957
958 /* get irq */
959 err = request_irq(pci_dev->irq, saa7134_irq,
8076fe32 960 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1da177e4
LT		 961 if (err < 0) {
962 printk(KERN_ERR "%s: can't get IRQ %d\n",
963 dev->name,pci_dev->irq);
964 goto fail3;
965 }
966
967 /* wait a bit, register i2c bus */
968 msleep(100);
969 saa7134_i2c_register(dev);
970
971 /* initialize hardware #2 */
c030f5e6
MCC		 972 if (TUNER_ABSENT != dev->tuner_type)
973 request_module("tuner");
1da177e4 974 saa7134_board_init2(dev);
c030f5e6 975
1da177e4
LT		 976 saa7134_hwinit2(dev);
977
978 /* load i2c helpers */
4ac97914 979 if (card_is_empress(dev)) {
1da177e4 980 request_module("saa6752hs");
1da177e4 981 }
330a115a 982
4217e252 983 request_submodules(dev);
b54134be 984
1da177e4
LT		 985 v4l2_prio_init(&dev->prio);
986
987 /* register v4l devices */
0ea6bc8d
HV		 988 if (saa7134_no_overlay > 0)
989 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
990
1da177e4
LT		 991 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
992 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
993 video_nr[dev->nr]);
994 if (err < 0) {
995 printk(KERN_INFO "%s: can't register video device\n",
996 dev->name);
997 goto fail4;
998 }
999 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
c6330fb8 1000 dev->name, dev->video_dev->num);
1da177e4 1001
a9622391 1002 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
a9622391 1003
1da177e4
LT		 1004 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1005 vbi_nr[dev->nr]);
1006 if (err < 0)
1007 goto fail4;
1008 printk(KERN_INFO "%s: registered device vbi%d\n",
c6330fb8 1009 dev->name, dev->vbi_dev->num);
1da177e4
LT		 1010
1011 if (card_has_radio(dev)) {
1012 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1013 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1014 radio_nr[dev->nr]);
1015 if (err < 0)
1016 goto fail4;
1017 printk(KERN_INFO "%s: registered device radio%d\n",
c6330fb8 1018 dev->name, dev->radio_dev->num);
1da177e4
LT		 1019 }
1020
1da177e4
LT		 1021 /* everything worked */
1022 pci_set_drvdata(pci_dev,dev);
1023 saa7134_devcount++;
1024
1e4baed3 1025 mutex_lock(&devlist_lock);
6d28e989 1026 list_for_each_entry(mops, &mops_list, next)
1da177e4 1027 mpeg_ops_attach(mops, dev);
1da177e4 1028 list_add_tail(&dev->devlist,&saa7134_devlist);
1e4baed3 1029 mutex_unlock(&devlist_lock);
1da177e4
LT		 1030
1031 /* check for signal */
11f7078c 1032 saa7134_irq_video_signalchange(dev);
c817e763 1033
78457018
AB		 1034 if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1035 saa7134_dmasound_init(dev);
f5b974cb
RC		 1036 }
1037
80d35237
HH		 1038 if (TUNER_ABSENT != dev->tuner_type)
1039 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1040
1da177e4
LT		 1041 return 0;
1042
1da177e4
LT		 1043 fail4:
1044 saa7134_unregister_video(dev);
1045 saa7134_i2c_unregister(dev);
1046 free_irq(pci_dev->irq, dev);
1047 fail3:
1048 saa7134_hwfini(dev);
1049 iounmap(dev->lmmio);
1050 fail2:
1051 release_mem_region(pci_resource_start(pci_dev,0),
1052 pci_resource_len(pci_dev,0));
1053 fail1:
1054 kfree(dev);
1055 return err;
1056}
1057
1058static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1059{
4ac97914 1060 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1da177e4
LT		 1061 struct saa7134_mpeg_ops *mops;
1062
f5b974cb 1063 /* Release DMA sound modules if present */
78457018
AB		 1064 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1065 saa7134_dmasound_exit(dev);
f5b974cb
RC		 1066 }
1067
1da177e4
LT		 1068 /* debugging ... */
1069 if (irq_debug) {
1070 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1071 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1072 print_irqstatus(dev,42,report,status);
1073 }
1074
1075 /* disable peripheral devices */
1076 saa_writeb(SAA7134_SPECIAL_MODE,0);
1077
1078 /* shutdown hardware */
1079 saa_writel(SAA7134_IRQ1,0);
1080 saa_writel(SAA7134_IRQ2,0);
1081 saa_writel(SAA7134_MAIN_CTRL,0);
1082
1083 /* shutdown subsystems */
1084 saa7134_hwfini(dev);
1085
1086 /* unregister */
1e4baed3 1087 mutex_lock(&devlist_lock);
1da177e4 1088 list_del(&dev->devlist);
6d28e989 1089 list_for_each_entry(mops, &mops_list, next)
1da177e4 1090 mpeg_ops_detach(mops, dev);
1e4baed3 1091 mutex_unlock(&devlist_lock);
1da177e4
LT		 1092 saa7134_devcount--;
1093
1094 saa7134_i2c_unregister(dev);
1da177e4
LT		 1095 saa7134_unregister_video(dev);
1096
f5b974cb 1097
4aabf633
RC		 1098 /* the DMA sound modules should be unloaded before reaching
1099 this, but just in case they are still present... */
1100 if (dev->dmasound.priv_data != NULL) {
1101 free_irq(pci_dev->irq, &dev->dmasound);
1102 dev->dmasound.priv_data = NULL;
1103 }
1104
f5b974cb 1105
4aabf633 1106 /* release resources */
1da177e4
LT		 1107 free_irq(pci_dev->irq, dev);
1108 iounmap(dev->lmmio);
1109 release_mem_region(pci_resource_start(pci_dev,0),
1110 pci_resource_len(pci_dev,0));
1111
1da177e4
LT		 1112 pci_set_drvdata(pci_dev, NULL);
1113
1114 /* free memory */
1115 kfree(dev);
1116}
1117
c458473e 1118#ifdef CONFIG_PM
05d26cc8
AB		 1119
1120/* resends a current buffer in queue after resume */
1121static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1122 struct saa7134_dmaqueue *q)
1123{
1124 struct saa7134_buf *buf, *next;
1125
1126 assert_spin_locked(&dev->slock);
1127
1128 buf = q->curr;
1129 next = buf;
1130 dprintk("buffer_requeue\n");
1131
1132 if (!buf)
1133 return 0;
1134
1135 dprintk("buffer_requeue : resending active buffers \n");
1136
1137 if (!list_empty(&q->queue))
1138 next = list_entry(q->queue.next, struct saa7134_buf,
1139 vb.queue);
1140 buf->activate(dev, buf, next);
1141
1142 return 0;
1143}
1144
cb71201f
ML		 1145static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1146{
1147
cb71201f
ML		 1148 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1149
acd827d6
ML		 1150 /* disable overlay - apps should enable it explicitly on resume*/
1151 dev->ovenable = 0;
1152
1153 /* Disable interrupts, DMA, and rest of the chip*/
cb71201f
ML		 1154 saa_writel(SAA7134_IRQ1, 0);
1155 saa_writel(SAA7134_IRQ2, 0);
acd827d6 1156 saa_writel(SAA7134_MAIN_CTRL, 0);
cb71201f 1157
c458473e 1158 dev->insuspend = 1;
3203cb86
ML		 1159 synchronize_irq(pci_dev->irq);
1160
1161 /* ACK interrupts once more, just in case,
1162 since the IRQ handler won't ack them anymore*/
1163
1164 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
c458473e
ML		 1165
1166 /* Disable timeout timers - if we have active buffers, we will
1167 fill them on resume*/
1168
1169 del_timer(&dev->video_q.timeout);
1170 del_timer(&dev->vbi_q.timeout);
1171 del_timer(&dev->ts_q.timeout);
f40aa808
MS		 1172
1173 if (dev->remote)
1174 saa7134_ir_stop(dev);
c458473e 1175
cb71201f 1176 pci_save_state(pci_dev);
0d65cd4f 1177 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
cb71201f 1178
0d65cd4f 1179 return 0;
cb71201f
ML		 1180}
1181
1182static int saa7134_resume(struct pci_dev *pci_dev)
1183{
cb71201f 1184 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
a3c53e23 1185 unsigned long flags;
cb71201f 1186
cb71201f 1187 pci_set_power_state(pci_dev, PCI_D0);
0d65cd4f 1188 pci_restore_state(pci_dev);
cb71201f
ML		 1189
1190 /* Do things that are done in saa7134_initdev ,
1191 except of initializing memory structures.*/
1192
1193 saa7134_board_init1(dev);
1194
c458473e 1195 /* saa7134_hwinit1 */
cb71201f
ML		 1196 if (saa7134_boards[dev->board].video_out)
1197 saa7134_videoport_init(dev);
cb71201f
ML		 1198 if (card_has_mpeg(dev))
1199 saa7134_ts_init_hw(dev);
c458473e
ML		 1200 if (dev->remote)
1201 saa7134_ir_start(dev, dev->remote);
cb71201f 1202 saa7134_hw_enable1(dev);
c458473e 1203
5c01203f 1204 msleep(100);
c458473e 1205
cb71201f 1206 saa7134_board_init2(dev);
cb71201f 1207
c458473e
ML		 1208 /*saa7134_hwinit2*/
1209 saa7134_set_tvnorm_hw(dev);
cb71201f 1210 saa7134_tvaudio_setmute(dev);
cb71201f 1211 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
f36224d3 1212 saa7134_tvaudio_init(dev);
c458473e 1213 saa7134_tvaudio_do_scan(dev);
cb71201f 1214 saa7134_enable_i2s(dev);
c458473e 1215 saa7134_hw_enable2(dev);
cb71201f 1216
5c01203f
ML		 1217 saa7134_irq_video_signalchange(dev);
1218
acd827d6
ML		 1219 /*resume unfinished buffer(s)*/
1220 spin_lock_irqsave(&dev->slock, flags);
cb71201f
ML		 1221 saa7134_buffer_requeue(dev, &dev->video_q);
1222 saa7134_buffer_requeue(dev, &dev->vbi_q);
1223 saa7134_buffer_requeue(dev, &dev->ts_q);
1224
c458473e
ML		 1225 /* FIXME: Disable DMA audio sound - temporary till proper support
1226 is implemented*/
1227
1228 dev->dmasound.dma_running = 0;
1229
acd827d6 1230 /* start DMA now*/
c458473e 1231 dev->insuspend = 0;
3203cb86 1232 smp_wmb();
acd827d6
ML		 1233 saa7134_set_dmabits(dev);
1234 spin_unlock_irqrestore(&dev->slock, flags);
1235
cb71201f
ML		 1236 return 0;
1237}
c458473e 1238#endif
cb71201f 1239
1da177e4
LT		 1240/* ----------------------------------------------------------- */
1241
1242int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1243{
1da177e4
LT		 1244 struct saa7134_dev *dev;
1245
1e4baed3 1246 mutex_lock(&devlist_lock);
6d28e989 1247 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1248 mpeg_ops_attach(ops, dev);
1da177e4 1249 list_add_tail(&ops->next,&mops_list);
1e4baed3 1250 mutex_unlock(&devlist_lock);
1da177e4
LT		 1251 return 0;
1252}
1253
1254void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1255{
1da177e4
LT		 1256 struct saa7134_dev *dev;
1257
1e4baed3 1258 mutex_lock(&devlist_lock);
1da177e4 1259 list_del(&ops->next);
6d28e989 1260 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1261 mpeg_ops_detach(ops, dev);
1e4baed3 1262 mutex_unlock(&devlist_lock);
1da177e4
LT		 1263}
1264
1265EXPORT_SYMBOL(saa7134_ts_register);
1266EXPORT_SYMBOL(saa7134_ts_unregister);
1267
1268/* ----------------------------------------------------------- */
1269
1270static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1271 .name = "saa7134",
1272 .id_table = saa7134_pci_tbl,
1273 .probe = saa7134_initdev,
1274 .remove = __devexit_p(saa7134_finidev),
c458473e 1275#ifdef CONFIG_PM
cb71201f
ML		 1276 .suspend = saa7134_suspend,
1277 .resume = saa7134_resume
c458473e 1278#endif
1da177e4
LT		 1279};
1280
1281static int saa7134_init(void)
1282{
1283 INIT_LIST_HEAD(&saa7134_devlist);
1284 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1285 (SAA7134_VERSION_CODE >> 16) & 0xff,
1286 (SAA7134_VERSION_CODE >> 8) & 0xff,
1287 SAA7134_VERSION_CODE & 0xff);
1288#ifdef SNAPSHOT
1289 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1290 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1291#endif
2304759d 1292 return pci_register_driver(&saa7134_pci_driver);
1da177e4
LT		 1293}
1294
1295static void saa7134_fini(void)
1296{
1da177e4
LT		 1297 pci_unregister_driver(&saa7134_pci_driver);
1298}
1299
1300module_init(saa7134_init);
1301module_exit(saa7134_fini);
1302
1303/* ----------------------------------------------------------- */
1304
58ef4f92 1305EXPORT_SYMBOL(saa7134_set_gpio);
1da177e4
LT		 1306EXPORT_SYMBOL(saa7134_i2c_call_clients);
1307EXPORT_SYMBOL(saa7134_devlist);
1308EXPORT_SYMBOL(saa7134_boards);
1309
4aabf633 1310/* ----------------- for the DMA sound modules --------------- */
79dd0c69 1311
78457018
AB		 1312EXPORT_SYMBOL(saa7134_dmasound_init);
1313EXPORT_SYMBOL(saa7134_dmasound_exit);
79dd0c69
RC		 1314EXPORT_SYMBOL(saa7134_pgtable_free);
1315EXPORT_SYMBOL(saa7134_pgtable_build);
1316EXPORT_SYMBOL(saa7134_pgtable_alloc);
1317EXPORT_SYMBOL(saa7134_set_dmabits);
1318
1da177e4
LT		 1319/* ----------------------------------------------------------- */
1320/*
1321 * Local variables:
1322 * c-basic-offset: 8
1323 * End:
1324 */
Linux 6.x block layer and io_uring tree(s)