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[PATCH] V4L: Fixes maximum number of VBI devices
[mirror_ubuntu-artful-kernel.git] / drivers / media / video / saa7134 / saa7134-core.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 2 *
3 * device driver for philips saa7134 based TV cards
4 * driver core
5 *
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23#include <linux/config.h>
24#include <linux/init.h>
25#include <linux/list.h>
26#include <linux/module.h>
27#include <linux/moduleparam.h>
28#include <linux/kernel.h>
29#include <linux/slab.h>
30#include <linux/kmod.h>
31#include <linux/sound.h>
32#include <linux/interrupt.h>
33#include <linux/delay.h>
34
35#include "saa7134-reg.h"
36#include "saa7134.h"
37
38MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
39MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40MODULE_LICENSE("GPL");
41
42/* ------------------------------------------------------------------ */
43
44static unsigned int irq_debug = 0;
45module_param(irq_debug, int, 0644);
46MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
47
48static unsigned int core_debug = 0;
49module_param(core_debug, int, 0644);
50MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
51
52static unsigned int gpio_tracking = 0;
53module_param(gpio_tracking, int, 0644);
54MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
55
bd15eba3 56static unsigned int alsa = 0;
4aabf633
RC		 57module_param(alsa, int, 0644);
58MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
59
60static unsigned int oss = 0;
61module_param(oss, int, 0644);
62MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
bd15eba3 63
1da177e4
LT		 64static unsigned int latency = UNSET;
65module_param(latency, int, 0444);
66MODULE_PARM_DESC(latency,"pci latency timer");
67
68static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
69static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
70static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
1da177e4
LT		 71static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
72static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
73
74module_param_array(video_nr, int, NULL, 0444);
75module_param_array(vbi_nr, int, NULL, 0444);
76module_param_array(radio_nr, int, NULL, 0444);
1da177e4
LT		 77module_param_array(tuner, int, NULL, 0444);
78module_param_array(card, int, NULL, 0444);
79
80MODULE_PARM_DESC(video_nr, "video device number");
81MODULE_PARM_DESC(vbi_nr, "vbi device number");
82MODULE_PARM_DESC(radio_nr, "radio device number");
1da177e4
LT		 83MODULE_PARM_DESC(tuner, "tuner type");
84MODULE_PARM_DESC(card, "card type");
85
86static DECLARE_MUTEX(devlist_lock);
87LIST_HEAD(saa7134_devlist);
88static LIST_HEAD(mops_list);
89static unsigned int saa7134_devcount;
90
91#define dprintk(fmt, arg...) if (core_debug) \
92 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
93
94/* ------------------------------------------------------------------ */
95/* debug help functions */
96
97static const char *v4l1_ioctls[] = {
98 "0", "GCAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT",
99 "CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ",
100 "SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT",
101 "GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO",
102 "SMICROCODE", "GVBIFMT", "SVBIFMT" };
103#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
104
105static const char *v4l2_ioctls[] = {
106 "QUERYCAP", "1", "ENUM_PIXFMT", "ENUM_FBUFFMT", "G_FMT", "S_FMT",
107 "G_COMP", "S_COMP", "REQBUFS", "QUERYBUF", "G_FBUF", "S_FBUF",
108 "G_WIN", "S_WIN", "PREVIEW", "QBUF", "16", "DQBUF", "STREAMON",
109 "STREAMOFF", "G_PERF", "G_PARM", "S_PARM", "G_STD", "S_STD",
110 "ENUMSTD", "ENUMINPUT", "G_CTRL", "S_CTRL", "G_TUNER", "S_TUNER",
111 "G_FREQ", "S_FREQ", "G_AUDIO", "S_AUDIO", "35", "QUERYCTRL",
112 "QUERYMENU", "G_INPUT", "S_INPUT", "ENUMCVT", "41", "42", "43",
113 "44", "45", "G_OUTPUT", "S_OUTPUT", "ENUMOUTPUT", "G_AUDOUT",
114 "S_AUDOUT", "ENUMFX", "G_EFFECT", "S_EFFECT", "G_MODULATOR",
115 "S_MODULATOR"
116};
117#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
118
119static const char *osspcm_ioctls[] = {
120 "RESET", "SYNC", "SPEED", "STEREO", "GETBLKSIZE", "SETFMT",
121 "CHANNELS", "?", "POST", "SUBDIVIDE", "SETFRAGMENT", "GETFMTS",
122 "GETOSPACE", "GETISPACE", "NONBLOCK", "GETCAPS", "GET/SETTRIGGER",
123 "GETIPTR", "GETOPTR", "MAPINBUF", "MAPOUTBUF", "SETSYNCRO",
124 "SETDUPLEX", "GETODELAY"
125};
126#define OSSPCM_IOCTLS ARRAY_SIZE(v4l2_ioctls)
127
128void saa7134_print_ioctl(char *name, unsigned int cmd)
129{
130 char *dir;
131
132 switch (_IOC_DIR(cmd)) {
133 case _IOC_NONE: dir = "--"; break;
134 case _IOC_READ: dir = "r-"; break;
135 case _IOC_WRITE: dir = "-w"; break;
136 case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
137 default: dir = "??"; break;
138 }
139 switch (_IOC_TYPE(cmd)) {
140 case 'v':
141 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l1, %s, VIDIOC%s)\n",
142 name, cmd, dir, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
143 v4l1_ioctls[_IOC_NR(cmd)] : "???");
144 break;
145 case 'V':
146 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l2, %s, VIDIOC_%s)\n",
147 name, cmd, dir, (_IOC_NR(cmd) < V4L2_IOCTLS) ?
148 v4l2_ioctls[_IOC_NR(cmd)] : "???");
149 break;
150 case 'P':
151 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss dsp, %s, SNDCTL_DSP_%s)\n",
152 name, cmd, dir, (_IOC_NR(cmd) < OSSPCM_IOCTLS) ?
153 osspcm_ioctls[_IOC_NR(cmd)] : "???");
154 break;
155 case 'M':
156 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss mixer, %s, #%d)\n",
157 name, cmd, dir, _IOC_NR(cmd));
158 break;
159 default:
160 printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n",
161 name, cmd, dir, _IOC_NR(cmd));
162 }
163}
164
165void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
166{
167 unsigned long mode,status;
168
169 if (!gpio_tracking)
170 return;
171 /* rising SAA7134_GPIO_GPRESCAN reads the status */
172 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
173 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
174 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
175 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
176 printk(KERN_DEBUG
177 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
178 dev->name, mode, (~mode) & status, mode & status, msg);
179}
180
181/* ------------------------------------------------------------------ */
182
1da177e4
LT		 183
184/* ----------------------------------------------------------- */
185/* delayed request_module */
186
187#ifdef CONFIG_MODULES
188
189static int need_empress;
190static int need_dvb;
b54134be 191static int need_alsa;
4aabf633 192static int need_oss;
1da177e4
LT		 193
194static int pending_call(struct notifier_block *self, unsigned long state,
195 void *module)
196{
197 if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
198 return NOTIFY_DONE;
199
4ac97914
MCC		 200 if (need_empress)
201 request_module("saa7134-empress");
202 if (need_dvb)
203 request_module("saa7134-dvb");
b54134be
RC		 204 if (need_alsa)
205 request_module("saa7134-alsa");
4aabf633
RC		 206 if (need_oss)
207 request_module("saa7134-oss");
1da177e4
LT		 208 return NOTIFY_DONE;
209}
210
211static int pending_registered;
212static struct notifier_block pending_notifier = {
213 .notifier_call = pending_call,
214};
215
216static void request_module_depend(char *name, int *flag)
217{
4aabf633 218 int err;
1da177e4
LT		 219 switch (THIS_MODULE->state) {
220 case MODULE_STATE_COMING:
221 if (!pending_registered) {
4aabf633 222 err = register_module_notifier(&pending_notifier);
1da177e4
LT		 223 pending_registered = 1;
224 }
225 *flag = 1;
226 break;
227 case MODULE_STATE_LIVE:
228 request_module(name);
229 break;
230 default:
231 /* nothing */;
232 break;
233 }
234}
235
236#else
237
238#define request_module_depend(name,flag)
239
240#endif /* CONFIG_MODULES */
241
242/* ------------------------------------------------------------------ */
243
244/* nr of (saa7134-)pages for the given buffer size */
245static int saa7134_buffer_pages(int size)
246{
247 size = PAGE_ALIGN(size);
248 size += PAGE_SIZE; /* for non-page-aligned buffers */
249 size /= 4096;
250 return size;
251}
252
253/* calc max # of buffers from size (must not exceed the 4MB virtual
254 * address space per DMA channel) */
255int saa7134_buffer_count(unsigned int size, unsigned int count)
256{
257 unsigned int maxcount;
258
259 maxcount = 1024 / saa7134_buffer_pages(size);
260 if (count > maxcount)
261 count = maxcount;
262 return count;
263}
264
265int saa7134_buffer_startpage(struct saa7134_buf *buf)
266{
267 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
268}
269
270unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
271{
272 unsigned long base;
273
274 base = saa7134_buffer_startpage(buf) * 4096;
275 base += buf->vb.dma.sglist[0].offset;
276 return base;
277}
278
279/* ------------------------------------------------------------------ */
280
281int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
282{
4ac97914
MCC		 283 __le32 *cpu;
284 dma_addr_t dma_addr;
1da177e4
LT		 285
286 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
287 if (NULL == cpu)
288 return -ENOMEM;
289 pt->size = SAA7134_PGTABLE_SIZE;
290 pt->cpu = cpu;
291 pt->dma = dma_addr;
292 return 0;
293}
294
295int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
296 struct scatterlist *list, unsigned int length,
297 unsigned int startpage)
298{
c9c12b79 299 __le32 *ptr;
1da177e4
LT		 300 unsigned int i,p;
301
302 BUG_ON(NULL == pt || NULL == pt->cpu);
303
304 ptr = pt->cpu + startpage;
305 for (i = 0; i < length; i++, list++)
306 for (p = 0; p * 4096 < list->length; p++, ptr++)
a20758fa 307 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
1da177e4
LT		 308 return 0;
309}
310
311void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
312{
313 if (NULL == pt->cpu)
314 return;
315 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
316 pt->cpu = NULL;
317}
318
319/* ------------------------------------------------------------------ */
320
321void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf)
322{
323 if (in_interrupt())
324 BUG();
325
326 videobuf_waiton(&buf->vb,0,0);
327 videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
328 videobuf_dma_free(&buf->vb.dma);
329 buf->vb.state = STATE_NEEDS_INIT;
330}
331
332/* ------------------------------------------------------------------ */
333
334int saa7134_buffer_queue(struct saa7134_dev *dev,
335 struct saa7134_dmaqueue *q,
336 struct saa7134_buf *buf)
337{
338 struct saa7134_buf *next = NULL;
339
340 assert_spin_locked(&dev->slock);
341 dprintk("buffer_queue %p\n",buf);
342 if (NULL == q->curr) {
343 if (!q->need_two) {
344 q->curr = buf;
345 buf->activate(dev,buf,NULL);
346 } else if (list_empty(&q->queue)) {
347 list_add_tail(&buf->vb.queue,&q->queue);
348 buf->vb.state = STATE_QUEUED;
349 } else {
350 next = list_entry(q->queue.next,struct saa7134_buf,
351 vb.queue);
352 q->curr = buf;
353 buf->activate(dev,buf,next);
354 }
355 } else {
356 list_add_tail(&buf->vb.queue,&q->queue);
357 buf->vb.state = STATE_QUEUED;
358 }
359 return 0;
360}
361
362void saa7134_buffer_finish(struct saa7134_dev *dev,
363 struct saa7134_dmaqueue *q,
364 unsigned int state)
365{
366 assert_spin_locked(&dev->slock);
367 dprintk("buffer_finish %p\n",q->curr);
368
369 /* finish current buffer */
370 q->curr->vb.state = state;
371 do_gettimeofday(&q->curr->vb.ts);
372 wake_up(&q->curr->vb.done);
373 q->curr = NULL;
374}
375
376void saa7134_buffer_next(struct saa7134_dev *dev,
377 struct saa7134_dmaqueue *q)
378{
379 struct saa7134_buf *buf,*next = NULL;
380
381 assert_spin_locked(&dev->slock);
382 BUG_ON(NULL != q->curr);
383
384 if (!list_empty(&q->queue)) {
385 /* activate next one from queue */
386 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
387 dprintk("buffer_next %p [prev=%p/next=%p]\n",
388 buf,q->queue.prev,q->queue.next);
389 list_del(&buf->vb.queue);
390 if (!list_empty(&q->queue))
391 next = list_entry(q->queue.next,struct saa7134_buf,
392 vb.queue);
393 q->curr = buf;
394 buf->activate(dev,buf,next);
395 dprintk("buffer_next #2 prev=%p/next=%p\n",
396 q->queue.prev,q->queue.next);
397 } else {
398 /* nothing to do -- just stop DMA */
399 dprintk("buffer_next %p\n",NULL);
400 saa7134_set_dmabits(dev);
401 del_timer(&q->timeout);
402 }
403}
404
405void saa7134_buffer_timeout(unsigned long data)
406{
407 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
408 struct saa7134_dev *dev = q->dev;
409 unsigned long flags;
410
411 spin_lock_irqsave(&dev->slock,flags);
412
413 /* try to reset the hardware (SWRST) */
414 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
415 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
416 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
417
418 /* flag current buffer as failed,
419 try to start over with the next one. */
420 if (q->curr) {
421 dprintk("timeout on %p\n",q->curr);
422 saa7134_buffer_finish(dev,q,STATE_ERROR);
423 }
424 saa7134_buffer_next(dev,q);
425 spin_unlock_irqrestore(&dev->slock,flags);
426}
427
428/* ------------------------------------------------------------------ */
429
430int saa7134_set_dmabits(struct saa7134_dev *dev)
431{
432 u32 split, task=0, ctrl=0, irq=0;
433 enum v4l2_field cap = V4L2_FIELD_ANY;
434 enum v4l2_field ov = V4L2_FIELD_ANY;
435
436 assert_spin_locked(&dev->slock);
437
438 /* video capture -- dma 0 + video task A */
439 if (dev->video_q.curr) {
440 task |= 0x01;
441 ctrl |= SAA7134_MAIN_CTRL_TE0;
442 irq |= SAA7134_IRQ1_INTE_RA0_1 |
443 SAA7134_IRQ1_INTE_RA0_0;
4ac97914 444 cap = dev->video_q.curr->vb.field;
1da177e4
LT		 445 }
446
447 /* video capture -- dma 1+2 (planar modes) */
448 if (dev->video_q.curr &&
449 dev->video_q.curr->fmt->planar) {
450 ctrl |= SAA7134_MAIN_CTRL_TE4 |
451 SAA7134_MAIN_CTRL_TE5;
452 }
453
454 /* screen overlay -- dma 0 + video task B */
455 if (dev->ovenable) {
456 task |= 0x10;
457 ctrl |= SAA7134_MAIN_CTRL_TE1;
458 ov = dev->ovfield;
459 }
460
461 /* vbi capture -- dma 0 + vbi task A+B */
462 if (dev->vbi_q.curr) {
463 task |= 0x22;
464 ctrl |= SAA7134_MAIN_CTRL_TE2 |
465 SAA7134_MAIN_CTRL_TE3;
466 irq |= SAA7134_IRQ1_INTE_RA0_7 |
467 SAA7134_IRQ1_INTE_RA0_6 |
468 SAA7134_IRQ1_INTE_RA0_5 |
469 SAA7134_IRQ1_INTE_RA0_4;
470 }
471
472 /* audio capture -- dma 3 */
b54134be 473 if (dev->dmasound.dma_running) {
1da177e4
LT		 474 ctrl |= SAA7134_MAIN_CTRL_TE6;
475 irq |= SAA7134_IRQ1_INTE_RA3_1 |
476 SAA7134_IRQ1_INTE_RA3_0;
477 }
478
479 /* TS capture -- dma 5 */
480 if (dev->ts_q.curr) {
481 ctrl |= SAA7134_MAIN_CTRL_TE5;
482 irq |= SAA7134_IRQ1_INTE_RA2_3 |
483 SAA7134_IRQ1_INTE_RA2_2 |
484 SAA7134_IRQ1_INTE_RA2_1 |
485 SAA7134_IRQ1_INTE_RA2_0;
486 }
487
488 /* set task conditions + field handling */
489 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
490 /* default config -- use full frames */
491 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
492 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
493 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
494 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
495 split = 0;
496 } else {
497 /* split fields between tasks */
498 if (V4L2_FIELD_TOP == cap) {
499 /* odd A, even B, repeat */
500 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
501 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
502 } else {
503 /* odd B, even A, repeat */
504 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
505 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
506 }
507 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
508 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
509 split = 1;
510 }
511
512 /* irqs */
513 saa_writeb(SAA7134_REGION_ENABLE, task);
514 saa_writel(SAA7134_IRQ1, irq);
515 saa_andorl(SAA7134_MAIN_CTRL,
516 SAA7134_MAIN_CTRL_TE0 |
517 SAA7134_MAIN_CTRL_TE1 |
518 SAA7134_MAIN_CTRL_TE2 |
519 SAA7134_MAIN_CTRL_TE3 |
520 SAA7134_MAIN_CTRL_TE4 |
521 SAA7134_MAIN_CTRL_TE5 |
522 SAA7134_MAIN_CTRL_TE6,
523 ctrl);
524 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
525 task, ctrl, irq, split ? "no" : "yes");
526
527 return 0;
528}
529
530/* ------------------------------------------------------------------ */
531/* IRQ handler + helpers */
532
533static char *irqbits[] = {
534 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
535 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
536 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
537 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
538};
539#define IRQBITS ARRAY_SIZE(irqbits)
540
541static void print_irqstatus(struct saa7134_dev *dev, int loop,
542 unsigned long report, unsigned long status)
543{
544 unsigned int i;
545
546 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
547 dev->name,loop,jiffies,report,status);
548 for (i = 0; i < IRQBITS; i++) {
549 if (!(report & (1 << i)))
550 continue;
551 printk(" %s",irqbits[i]);
552 }
553 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
554 printk(" | RA0=%s,%s,%s,%ld",
555 (status & 0x40) ? "vbi" : "video",
556 (status & 0x20) ? "b" : "a",
557 (status & 0x10) ? "odd" : "even",
558 (status & 0x0f));
559 }
560 printk("\n");
561}
562
563static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
564{
565 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
566 unsigned long report,status;
567 int loop, handled = 0;
568
569 for (loop = 0; loop < 10; loop++) {
570 report = saa_readl(SAA7134_IRQ_REPORT);
571 status = saa_readl(SAA7134_IRQ_STATUS);
572 if (0 == report) {
573 if (irq_debug > 1)
574 printk(KERN_DEBUG "%s/irq: no (more) work\n",
575 dev->name);
576 goto out;
577 }
79dd0c69 578
4aabf633
RC		 579 /* If dmasound support is active and we get a sound report, exit
580 and let the saa7134-alsa/oss module deal with it */
79dd0c69 581
4aabf633
RC		 582 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
583 (dev->dmasound.priv_data != NULL) )
584 {
79dd0c69 585 if (irq_debug > 1)
4aabf633 586 printk(KERN_DEBUG "%s/irq: ignoring interrupt for DMA sound\n",
79dd0c69
RC		 587 dev->name);
588 goto out;
589 }
590
1da177e4
LT		 591 handled = 1;
592 saa_writel(SAA7134_IRQ_REPORT,report);
593 if (irq_debug)
594 print_irqstatus(dev,loop,report,status);
595
1da177e4
LT		 596
597 if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
598 saa7134_irq_video_intl(dev);
599
600 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
601 (status & 0x60) == 0)
602 saa7134_irq_video_done(dev,status);
603
604 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
605 (status & 0x40) == 0x40)
606 saa7134_irq_vbi_done(dev,status);
607
608 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
609 card_has_mpeg(dev))
610 saa7134_irq_ts_done(dev,status);
611
1da177e4
LT		 612 if ((report & (SAA7134_IRQ_REPORT_GPIO16 |
613 SAA7134_IRQ_REPORT_GPIO18)) &&
614 dev->remote)
615 saa7134_input_irq(dev);
bd15eba3 616
1da177e4
LT		 617 }
618
619 if (10 == loop) {
620 print_irqstatus(dev,loop,report,status);
621 if (report & SAA7134_IRQ_REPORT_PE) {
622 /* disable all parity error */
623 printk(KERN_WARNING "%s/irq: looping -- "
624 "clearing PE (parity error!) enable bit\n",dev->name);
625 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
626 } else if (report & (SAA7134_IRQ_REPORT_GPIO16 |
627 SAA7134_IRQ_REPORT_GPIO18)) {
628 /* disable gpio IRQs */
629 printk(KERN_WARNING "%s/irq: looping -- "
630 "clearing GPIO enable bits\n",dev->name);
631 saa_clearl(SAA7134_IRQ2, (SAA7134_IRQ2_INTE_GPIO16 |
632 SAA7134_IRQ2_INTE_GPIO18));
633 } else {
634 /* disable all irqs */
635 printk(KERN_WARNING "%s/irq: looping -- "
636 "clearing all enable bits\n",dev->name);
637 saa_writel(SAA7134_IRQ1,0);
638 saa_writel(SAA7134_IRQ2,0);
639 }
640 }
641
642 out:
643 return IRQ_RETVAL(handled);
644}
645
646/* ------------------------------------------------------------------ */
647
648/* early init (no i2c, no irq) */
649static int saa7134_hwinit1(struct saa7134_dev *dev)
650{
651 dprintk("hwinit1\n");
652
653 saa_writel(SAA7134_IRQ1, 0);
654 saa_writel(SAA7134_IRQ2, 0);
4ac97914 655 init_MUTEX(&dev->lock);
1da177e4
LT		 656 spin_lock_init(&dev->slock);
657
658 saa7134_track_gpio(dev,"pre-init");
659 saa7134_video_init1(dev);
660 saa7134_vbi_init1(dev);
661 if (card_has_mpeg(dev))
662 saa7134_ts_init1(dev);
663 saa7134_input_init1(dev);
664
1da177e4
LT		 665 /* RAM FIFO config */
666 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
667 saa_writel(SAA7134_THRESHOULD,0x02020202);
668
669 /* enable audio + video processing */
670 saa_writel(SAA7134_MAIN_CTRL,
671 SAA7134_MAIN_CTRL_VPLLE |
672 SAA7134_MAIN_CTRL_APLLE |
673 SAA7134_MAIN_CTRL_EXOSC |
674 SAA7134_MAIN_CTRL_EVFE1 |
675 SAA7134_MAIN_CTRL_EVFE2 |
676 SAA7134_MAIN_CTRL_ESFE |
1da177e4
LT		 677 SAA7134_MAIN_CTRL_EBDAC);
678
17a05ef3
NS		 679 /*
680 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
681 * OSS initialization writes to registers via the audio DSP; these
682 * writes will fail unless the audio clock has been started. At worst,
683 * audio will not work.
684 */
685
1da177e4
LT		 686 /* enable peripheral devices */
687 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
688
689 /* set vertical line numbering start (vbi needs this) */
690 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
691
692 return 0;
693}
694
695/* late init (with i2c + irq) */
696static int saa7134_hwinit2(struct saa7134_dev *dev)
697{
330a115a 698 unsigned int irq2_mask;
1da177e4
LT		 699 dprintk("hwinit2\n");
700
701 saa7134_video_init2(dev);
702 saa7134_tvaudio_init2(dev);
703
704 /* enable IRQ's */
4ac97914 705 irq2_mask =
330a115a
MCC		 706 SAA7134_IRQ2_INTE_DEC3 |
707 SAA7134_IRQ2_INTE_DEC2 |
708 SAA7134_IRQ2_INTE_DEC1 |
709 SAA7134_IRQ2_INTE_DEC0 |
710 SAA7134_IRQ2_INTE_PE |
711 SAA7134_IRQ2_INTE_AR;
712
cb2444df 713 if (dev->has_remote == SAA7134_REMOTE_GPIO)
330a115a
MCC		 714 irq2_mask |= (SAA7134_IRQ2_INTE_GPIO18 |
715 SAA7134_IRQ2_INTE_GPIO18A |
716 SAA7134_IRQ2_INTE_GPIO16 );
717
1da177e4 718 saa_writel(SAA7134_IRQ1, 0);
330a115a 719 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 720
721 return 0;
722}
723
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);
733 saa7134_video_fini(dev);
734 saa7134_tvaudio_fini(dev);
735 return 0;
736}
737
738static void __devinit must_configure_manually(void)
739{
740 unsigned int i,p;
741
742 printk(KERN_WARNING
743 "saa7134: <rant>\n"
744 "saa7134: Congratulations! Your TV card vendor saved a few\n"
745 "saa7134: cents for a eeprom, thus your pci board has no\n"
746 "saa7134: subsystem ID and I can't identify it automatically\n"
747 "saa7134: </rant>\n"
748 "saa7134: I feel better now. Ok, here are the good news:\n"
749 "saa7134: You can use the card=<nr> insmod option to specify\n"
750 "saa7134: which board do you have. The list:\n");
751 for (i = 0; i < saa7134_bcount; i++) {
752 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
753 i,saa7134_boards[i].name);
754 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
755 if (saa7134_pci_tbl[p].driver_data != i)
756 continue;
757 printk(" %04x:%04x",
758 saa7134_pci_tbl[p].subvendor,
759 saa7134_pci_tbl[p].subdevice);
760 }
761 printk("\n");
762 }
763}
764
765static struct video_device *vdev_init(struct saa7134_dev *dev,
766 struct video_device *template,
767 char *type)
768{
769 struct video_device *vfd;
770
771 vfd = video_device_alloc();
772 if (NULL == vfd)
773 return NULL;
774 *vfd = *template;
775 vfd->minor = -1;
776 vfd->dev = &dev->pci->dev;
777 vfd->release = video_device_release;
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;
838 struct list_head *item;
839 struct saa7134_mpeg_ops *mops;
840 int err;
841
842 dev = kmalloc(sizeof(*dev),GFP_KERNEL);
843 if (NULL == dev)
844 return -ENOMEM;
845 memset(dev,0,sizeof(*dev));
846
847 /* pci init */
848 dev->pci = pci_dev;
849 if (pci_enable_device(pci_dev)) {
850 err = -EIO;
851 goto fail1;
852 }
853
854 dev->nr = saa7134_devcount;
855 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
856
857 /* pci quirks */
858 if (pci_pci_problems) {
859 if (pci_pci_problems & PCIPCI_TRITON)
860 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
861 if (pci_pci_problems & PCIPCI_NATOMA)
862 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
863 if (pci_pci_problems & PCIPCI_VIAETBF)
864 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
865 if (pci_pci_problems & PCIPCI_VSFX)
866 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
867#ifdef PCIPCI_ALIMAGIK
868 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
869 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
870 dev->name);
871 latency = 0x0A;
872 }
873#endif
874 }
875 if (UNSET != latency) {
876 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
877 dev->name,latency);
878 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
879 }
880
881 /* print pci info */
882 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
4ac97914
MCC		 883 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
884 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
1da177e4
LT		 885 "latency: %d, mmio: 0x%lx\n", dev->name,
886 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
887 dev->pci_lat,pci_resource_start(pci_dev,0));
888 pci_set_master(pci_dev);
889 if (!pci_dma_supported(pci_dev,0xffffffff)) {
890 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
891 err = -EIO;
892 goto fail1;
893 }
894
895 /* board config */
896 dev->board = pci_id->driver_data;
897 if (card[dev->nr] >= 0 &&
898 card[dev->nr] < saa7134_bcount)
899 dev->board = card[dev->nr];
900 if (SAA7134_BOARD_NOAUTO == dev->board) {
901 must_configure_manually();
902 dev->board = SAA7134_BOARD_UNKNOWN;
903 }
904 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
905 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
906 if (UNSET != tuner[dev->nr])
907 dev->tuner_type = tuner[dev->nr];
4ac97914 908 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
1da177e4
LT		 909 dev->name,pci_dev->subsystem_vendor,
910 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
911 dev->board, card[dev->nr] == dev->board ?
912 "insmod option" : "autodetected");
913
914 /* get mmio */
915 if (!request_mem_region(pci_resource_start(pci_dev,0),
916 pci_resource_len(pci_dev,0),
917 dev->name)) {
918 err = -EBUSY;
919 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n",
920 dev->name,pci_resource_start(pci_dev,0));
921 goto fail1;
922 }
923 dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
924 dev->bmmio = (__u8 __iomem *)dev->lmmio;
925 if (NULL == dev->lmmio) {
926 err = -EIO;
927 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
928 dev->name);
929 goto fail2;
930 }
931
932 /* initialize hardware #1 */
1da177e4
LT		 933 saa7134_board_init1(dev);
934 saa7134_hwinit1(dev);
935
936 /* get irq */
937 err = request_irq(pci_dev->irq, saa7134_irq,
938 SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
939 if (err < 0) {
940 printk(KERN_ERR "%s: can't get IRQ %d\n",
941 dev->name,pci_dev->irq);
942 goto fail3;
943 }
944
945 /* wait a bit, register i2c bus */
946 msleep(100);
947 saa7134_i2c_register(dev);
948
949 /* initialize hardware #2 */
950 saa7134_board_init2(dev);
951 saa7134_hwinit2(dev);
952
953 /* load i2c helpers */
954 if (TUNER_ABSENT != dev->tuner_type)
955 request_module("tuner");
956 if (dev->tda9887_conf)
957 request_module("tda9887");
4ac97914 958 if (card_is_empress(dev)) {
1da177e4
LT		 959 request_module("saa6752hs");
960 request_module_depend("saa7134-empress",&need_empress);
961 }
330a115a 962
4ac97914 963 if (card_is_dvb(dev))
1da177e4
LT		 964 request_module_depend("saa7134-dvb",&need_dvb);
965
4aabf633
RC		 966
967 if (alsa)
b54134be 968 request_module_depend("saa7134-alsa",&need_alsa);
b54134be 969
4aabf633
RC		 970 if (oss)
971 request_module_depend("saa7134-oss",&need_oss);
b54134be 972
1da177e4
LT		 973 v4l2_prio_init(&dev->prio);
974
975 /* register v4l devices */
976 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
977 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
978 video_nr[dev->nr]);
979 if (err < 0) {
980 printk(KERN_INFO "%s: can't register video device\n",
981 dev->name);
982 goto fail4;
983 }
984 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
985 dev->name,dev->video_dev->minor & 0x1f);
986
987 dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
988 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
989 vbi_nr[dev->nr]);
990 if (err < 0)
991 goto fail4;
992 printk(KERN_INFO "%s: registered device vbi%d\n",
993 dev->name,dev->vbi_dev->minor & 0x1f);
994
995 if (card_has_radio(dev)) {
996 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
997 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
998 radio_nr[dev->nr]);
999 if (err < 0)
1000 goto fail4;
1001 printk(KERN_INFO "%s: registered device radio%d\n",
1002 dev->name,dev->radio_dev->minor & 0x1f);
1003 }
1004
1da177e4
LT		 1005 /* everything worked */
1006 pci_set_drvdata(pci_dev,dev);
1007 saa7134_devcount++;
1008
1009 down(&devlist_lock);
1010 list_for_each(item,&mops_list) {
1011 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1012 mpeg_ops_attach(mops, dev);
1013 }
1014 list_add_tail(&dev->devlist,&saa7134_devlist);
1015 up(&devlist_lock);
1016
1017 /* check for signal */
1018 saa7134_irq_video_intl(dev);
c817e763 1019
1da177e4
LT		 1020 return 0;
1021
1da177e4
LT		 1022 fail4:
1023 saa7134_unregister_video(dev);
1024 saa7134_i2c_unregister(dev);
1025 free_irq(pci_dev->irq, dev);
1026 fail3:
1027 saa7134_hwfini(dev);
1028 iounmap(dev->lmmio);
1029 fail2:
1030 release_mem_region(pci_resource_start(pci_dev,0),
1031 pci_resource_len(pci_dev,0));
1032 fail1:
1033 kfree(dev);
1034 return err;
1035}
1036
1037static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1038{
4ac97914 1039 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1da177e4
LT		 1040 struct list_head *item;
1041 struct saa7134_mpeg_ops *mops;
1042
1043 /* debugging ... */
1044 if (irq_debug) {
1045 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1046 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1047 print_irqstatus(dev,42,report,status);
1048 }
1049
1050 /* disable peripheral devices */
1051 saa_writeb(SAA7134_SPECIAL_MODE,0);
1052
1053 /* shutdown hardware */
1054 saa_writel(SAA7134_IRQ1,0);
1055 saa_writel(SAA7134_IRQ2,0);
1056 saa_writel(SAA7134_MAIN_CTRL,0);
1057
1058 /* shutdown subsystems */
1059 saa7134_hwfini(dev);
1060
1061 /* unregister */
1062 down(&devlist_lock);
1063 list_del(&dev->devlist);
1064 list_for_each(item,&mops_list) {
1065 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1066 mpeg_ops_detach(mops, dev);
1067 }
1068 up(&devlist_lock);
1069 saa7134_devcount--;
1070
1071 saa7134_i2c_unregister(dev);
1da177e4
LT		 1072 saa7134_unregister_video(dev);
1073
4aabf633
RC		 1074 /* the DMA sound modules should be unloaded before reaching
1075 this, but just in case they are still present... */
1076 if (dev->dmasound.priv_data != NULL) {
1077 free_irq(pci_dev->irq, &dev->dmasound);
1078 dev->dmasound.priv_data = NULL;
1079 }
1080
1081 /* release resources */
1da177e4
LT		 1082 free_irq(pci_dev->irq, dev);
1083 iounmap(dev->lmmio);
1084 release_mem_region(pci_resource_start(pci_dev,0),
1085 pci_resource_len(pci_dev,0));
1086
1da177e4
LT		 1087 pci_set_drvdata(pci_dev, NULL);
1088
1089 /* free memory */
1090 kfree(dev);
1091}
1092
1093/* ----------------------------------------------------------- */
1094
1095int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1096{
1097 struct list_head *item;
1098 struct saa7134_dev *dev;
1099
1100 down(&devlist_lock);
1101 list_for_each(item,&saa7134_devlist) {
1102 dev = list_entry(item, struct saa7134_dev, devlist);
1103 mpeg_ops_attach(ops, dev);
1104 }
1105 list_add_tail(&ops->next,&mops_list);
1106 up(&devlist_lock);
1107 return 0;
1108}
1109
1110void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1111{
1112 struct list_head *item;
1113 struct saa7134_dev *dev;
1114
1115 down(&devlist_lock);
1116 list_del(&ops->next);
1117 list_for_each(item,&saa7134_devlist) {
1118 dev = list_entry(item, struct saa7134_dev, devlist);
1119 mpeg_ops_detach(ops, dev);
1120 }
1121 up(&devlist_lock);
1122}
1123
1124EXPORT_SYMBOL(saa7134_ts_register);
1125EXPORT_SYMBOL(saa7134_ts_unregister);
1126
1127/* ----------------------------------------------------------- */
1128
1129static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1130 .name = "saa7134",
1131 .id_table = saa7134_pci_tbl,
1132 .probe = saa7134_initdev,
1133 .remove = __devexit_p(saa7134_finidev),
1da177e4
LT		 1134};
1135
1136static int saa7134_init(void)
1137{
1138 INIT_LIST_HEAD(&saa7134_devlist);
1139 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1140 (SAA7134_VERSION_CODE >> 16) & 0xff,
1141 (SAA7134_VERSION_CODE >> 8) & 0xff,
1142 SAA7134_VERSION_CODE & 0xff);
1143#ifdef SNAPSHOT
1144 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1145 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1146#endif
1147 return pci_module_init(&saa7134_pci_driver);
1148}
1149
1150static void saa7134_fini(void)
1151{
1152#ifdef CONFIG_MODULES
1153 if (pending_registered)
1154 unregister_module_notifier(&pending_notifier);
1155#endif
1156 pci_unregister_driver(&saa7134_pci_driver);
1157}
1158
1159module_init(saa7134_init);
1160module_exit(saa7134_fini);
1161
1162/* ----------------------------------------------------------- */
1163
1164EXPORT_SYMBOL(saa7134_print_ioctl);
1165EXPORT_SYMBOL(saa7134_i2c_call_clients);
1166EXPORT_SYMBOL(saa7134_devlist);
1167EXPORT_SYMBOL(saa7134_boards);
1168
4aabf633 1169/* ----------------- for the DMA sound modules --------------- */
79dd0c69
RC		 1170
1171EXPORT_SYMBOL(saa7134_pgtable_free);
1172EXPORT_SYMBOL(saa7134_pgtable_build);
1173EXPORT_SYMBOL(saa7134_pgtable_alloc);
1174EXPORT_SYMBOL(saa7134_set_dmabits);
1175
1da177e4
LT		 1176/* ----------------------------------------------------------- */
1177/*
1178 * Local variables:
1179 * c-basic-offset: 8
1180 * End:
1181 */
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