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Linux 3.11-rc3
[cris-mirror.git] / drivers / media / usb / stk1160 / stk1160-v4l.c
blob876fc26565e3bc05dbfe4a192ffe916080495fb2
1 /*
2 * STK1160 driver
3 *
4 * Copyright (C) 2012 Ezequiel Garcia
5 * <elezegarcia--a.t--gmail.com>
6 *
7 * Based on Easycap driver by R.M. Thomas
8 * Copyright (C) 2010 R.M. Thomas
9 * <rmthomas--a.t--sciolus.org>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 */
22
23 #include <linux/module.h>
24 #include <linux/usb.h>
25 #include <linux/mm.h>
26 #include <linux/slab.h>
27
28 #include <linux/videodev2.h>
29 #include <media/v4l2-device.h>
30 #include <media/v4l2-common.h>
31 #include <media/v4l2-ioctl.h>
32 #include <media/v4l2-fh.h>
33 #include <media/v4l2-event.h>
34 #include <media/videobuf2-vmalloc.h>
35
36 #include <media/saa7115.h>
37
38 #include "stk1160.h"
39 #include "stk1160-reg.h"
40
41 static unsigned int vidioc_debug;
42 module_param(vidioc_debug, int, 0644);
43 MODULE_PARM_DESC(vidioc_debug, "enable debug messages [vidioc]");
44
45 static bool keep_buffers;
46 module_param(keep_buffers, bool, 0644);
47 MODULE_PARM_DESC(keep_buffers, "don't release buffers upon stop streaming");
48
49 /* supported video standards */
50 static struct stk1160_fmt format[] = {
51 {
52 .name = "16 bpp YUY2, 4:2:2, packed",
53 .fourcc = V4L2_PIX_FMT_UYVY,
54 .depth = 16,
55 }
56 };
57
58 static void stk1160_set_std(struct stk1160 *dev)
59 {
60 int i;
61
62 static struct regval std525[] = {
63
64 /* 720x480 */
65
66 /* Frame start */
67 {STK116_CFSPO_STX_L, 0x0000},
68 {STK116_CFSPO_STX_H, 0x0000},
69 {STK116_CFSPO_STY_L, 0x0003},
70 {STK116_CFSPO_STY_H, 0x0000},
71
72 /* Frame end */
73 {STK116_CFEPO_ENX_L, 0x05a0},
74 {STK116_CFEPO_ENX_H, 0x0005},
75 {STK116_CFEPO_ENY_L, 0x00f3},
76 {STK116_CFEPO_ENY_H, 0x0000},
77
78 {0xffff, 0xffff}
79 };
80
81 static struct regval std625[] = {
82
83 /* 720x576 */
84
85 /* TODO: Each line of frame has some junk at the end */
86 /* Frame start */
87 {STK116_CFSPO, 0x0000},
88 {STK116_CFSPO+1, 0x0000},
89 {STK116_CFSPO+2, 0x0001},
90 {STK116_CFSPO+3, 0x0000},
91
92 /* Frame end */
93 {STK116_CFEPO, 0x05a0},
94 {STK116_CFEPO+1, 0x0005},
95 {STK116_CFEPO+2, 0x0121},
96 {STK116_CFEPO+3, 0x0001},
97
98 {0xffff, 0xffff}
99 };
100
101 if (dev->norm & V4L2_STD_525_60) {
102 stk1160_dbg("registers to NTSC like standard\n");
103 for (i = 0; std525[i].reg != 0xffff; i++)
104 stk1160_write_reg(dev, std525[i].reg, std525[i].val);
105 } else {
106 stk1160_dbg("registers to PAL like standard\n");
107 for (i = 0; std625[i].reg != 0xffff; i++)
108 stk1160_write_reg(dev, std625[i].reg, std625[i].val);
109 }
110
111 }
112
113 /*
114 * Set a new alternate setting.
115 * Returns true is dev->max_pkt_size has changed, false otherwise.
116 */
117 static bool stk1160_set_alternate(struct stk1160 *dev)
118 {
119 int i, prev_alt = dev->alt;
120 unsigned int min_pkt_size;
121 bool new_pkt_size;
122
123 /*
124 * If we don't set right alternate,
125 * then we will get a green screen with junk.
126 */
127 min_pkt_size = STK1160_MIN_PKT_SIZE;
128
129 for (i = 0; i < dev->num_alt; i++) {
130 /* stop when the selected alt setting offers enough bandwidth */
131 if (dev->alt_max_pkt_size[i] >= min_pkt_size) {
132 dev->alt = i;
133 break;
134 /*
135 * otherwise make sure that we end up with the maximum bandwidth
136 * because the min_pkt_size equation might be wrong...
137 */
138 } else if (dev->alt_max_pkt_size[i] >
139 dev->alt_max_pkt_size[dev->alt])
140 dev->alt = i;
141 }
142
143 stk1160_info("setting alternate %d\n", dev->alt);
144
145 if (dev->alt != prev_alt) {
146 stk1160_dbg("minimum isoc packet size: %u (alt=%d)\n",
147 min_pkt_size, dev->alt);
148 stk1160_dbg("setting alt %d with wMaxPacketSize=%u\n",
149 dev->alt, dev->alt_max_pkt_size[dev->alt]);
150 usb_set_interface(dev->udev, 0, dev->alt);
151 }
152
153 new_pkt_size = dev->max_pkt_size != dev->alt_max_pkt_size[dev->alt];
154 dev->max_pkt_size = dev->alt_max_pkt_size[dev->alt];
155
156 return new_pkt_size;
157 }
158
159 static int stk1160_start_streaming(struct stk1160 *dev)
160 {
161 bool new_pkt_size;
162 int rc = 0;
163 int i;
164
165 /* Check device presence */
166 if (!dev->udev)
167 return -ENODEV;
168
169 if (mutex_lock_interruptible(&dev->v4l_lock))
170 return -ERESTARTSYS;
171 /*
172 * For some reason it is mandatory to set alternate *first*
173 * and only *then* initialize isoc urbs.
174 * Someone please explain me why ;)
175 */
176 new_pkt_size = stk1160_set_alternate(dev);
177
178 /*
179 * We (re)allocate isoc urbs if:
180 * there is no allocated isoc urbs, OR
181 * a new dev->max_pkt_size is detected
182 */
183 if (!dev->isoc_ctl.num_bufs || new_pkt_size) {
184 rc = stk1160_alloc_isoc(dev);
185 if (rc < 0)
186 goto out_stop_hw;
187 }
188
189 /* submit urbs and enables IRQ */
190 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
191 rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_KERNEL);
192 if (rc) {
193 stk1160_err("cannot submit urb[%d] (%d)\n", i, rc);
194 goto out_uninit;
195 }
196 }
197
198 /* Start saa711x */
199 v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1);
200
201 /* Start stk1160 */
202 stk1160_write_reg(dev, STK1160_DCTRL, 0xb3);
203 stk1160_write_reg(dev, STK1160_DCTRL+3, 0x00);
204
205 stk1160_dbg("streaming started\n");
206
207 mutex_unlock(&dev->v4l_lock);
208
209 return 0;
210
211 out_uninit:
212 stk1160_uninit_isoc(dev);
213 out_stop_hw:
214 usb_set_interface(dev->udev, 0, 0);
215 stk1160_clear_queue(dev);
216
217 mutex_unlock(&dev->v4l_lock);
218
219 return rc;
220 }
221
222 /* Must be called with v4l_lock hold */
223 static void stk1160_stop_hw(struct stk1160 *dev)
224 {
225 /* If the device is not physically present, there is nothing to do */
226 if (!dev->udev)
227 return;
228
229 /* set alternate 0 */
230 dev->alt = 0;
231 stk1160_info("setting alternate %d\n", dev->alt);
232 usb_set_interface(dev->udev, 0, 0);
233
234 /* Stop stk1160 */
235 stk1160_write_reg(dev, STK1160_DCTRL, 0x00);
236 stk1160_write_reg(dev, STK1160_DCTRL+3, 0x00);
237
238 /* Stop saa711x */
239 v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
240 }
241
242 static int stk1160_stop_streaming(struct stk1160 *dev)
243 {
244 if (mutex_lock_interruptible(&dev->v4l_lock))
245 return -ERESTARTSYS;
246
247 stk1160_cancel_isoc(dev);
248
249 /*
250 * It is possible to keep buffers around using a module parameter.
251 * This is intended to avoid memory fragmentation.
252 */
253 if (!keep_buffers)
254 stk1160_free_isoc(dev);
255
256 stk1160_stop_hw(dev);
257
258 stk1160_clear_queue(dev);
259
260 stk1160_dbg("streaming stopped\n");
261
262 mutex_unlock(&dev->v4l_lock);
263
264 return 0;
265 }
266
267 static struct v4l2_file_operations stk1160_fops = {
268 .owner = THIS_MODULE,
269 .open = v4l2_fh_open,
270 .release = vb2_fop_release,
271 .read = vb2_fop_read,
272 .poll = vb2_fop_poll,
273 .mmap = vb2_fop_mmap,
274 .unlocked_ioctl = video_ioctl2,
275 };
276
277 /*
278 * vidioc ioctls
279 */
280 static int vidioc_querycap(struct file *file,
281 void *priv, struct v4l2_capability *cap)
282 {
283 struct stk1160 *dev = video_drvdata(file);
284
285 strcpy(cap->driver, "stk1160");
286 strcpy(cap->card, "stk1160");
287 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
288 cap->device_caps =
289 V4L2_CAP_VIDEO_CAPTURE |
290 V4L2_CAP_STREAMING |
291 V4L2_CAP_READWRITE;
292 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
293 return 0;
294 }
295
296 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
297 struct v4l2_fmtdesc *f)
298 {
299 if (f->index != 0)
300 return -EINVAL;
301
302 strlcpy(f->description, format[f->index].name, sizeof(f->description));
303 f->pixelformat = format[f->index].fourcc;
304 return 0;
305 }
306
307 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
308 struct v4l2_format *f)
309 {
310 struct stk1160 *dev = video_drvdata(file);
311
312 f->fmt.pix.width = dev->width;
313 f->fmt.pix.height = dev->height;
314 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
315 f->fmt.pix.pixelformat = dev->fmt->fourcc;
316 f->fmt.pix.bytesperline = dev->width * 2;
317 f->fmt.pix.sizeimage = dev->height * f->fmt.pix.bytesperline;
318 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
319
320 return 0;
321 }
322
323 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
324 struct v4l2_format *f)
325 {
326 struct stk1160 *dev = video_drvdata(file);
327
328 /*
329 * User can't choose size at his own will,
330 * so we just return him the current size chosen
331 * at standard selection.
332 * TODO: Implement frame scaling?
333 */
334
335 f->fmt.pix.pixelformat = dev->fmt->fourcc;
336 f->fmt.pix.width = dev->width;
337 f->fmt.pix.height = dev->height;
338 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
339 f->fmt.pix.bytesperline = dev->width * 2;
340 f->fmt.pix.sizeimage = dev->height * f->fmt.pix.bytesperline;
341 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
342
343 return 0;
344 }
345
346 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
347 struct v4l2_format *f)
348 {
349 struct stk1160 *dev = video_drvdata(file);
350 struct vb2_queue *q = &dev->vb_vidq;
351
352 if (vb2_is_busy(q))
353 return -EBUSY;
354
355 vidioc_try_fmt_vid_cap(file, priv, f);
356
357 /* We don't support any format changes */
358
359 return 0;
360 }
361
362 static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm)
363 {
364 struct stk1160 *dev = video_drvdata(file);
365 v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm);
366 return 0;
367 }
368
369 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
370 {
371 struct stk1160 *dev = video_drvdata(file);
372
373 *norm = dev->norm;
374 return 0;
375 }
376
377 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
378 {
379 struct stk1160 *dev = video_drvdata(file);
380 struct vb2_queue *q = &dev->vb_vidq;
381
382 if (vb2_is_busy(q))
383 return -EBUSY;
384
385 /* Check device presence */
386 if (!dev->udev)
387 return -ENODEV;
388
389 /* We need to set this now, before we call stk1160_set_std */
390 dev->norm = norm;
391
392 /* This is taken from saa7115 video decoder */
393 if (dev->norm & V4L2_STD_525_60) {
394 dev->width = 720;
395 dev->height = 480;
396 } else if (dev->norm & V4L2_STD_625_50) {
397 dev->width = 720;
398 dev->height = 576;
399 } else {
400 stk1160_err("invalid standard\n");
401 return -EINVAL;
402 }
403
404 stk1160_set_std(dev);
405
406 v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std,
407 dev->norm);
408
409 return 0;
410 }
411
412
413 static int vidioc_enum_input(struct file *file, void *priv,
414 struct v4l2_input *i)
415 {
416 struct stk1160 *dev = video_drvdata(file);
417
418 if (i->index > STK1160_MAX_INPUT)
419 return -EINVAL;
420
421 /* S-Video special handling */
422 if (i->index == STK1160_SVIDEO_INPUT)
423 sprintf(i->name, "S-Video");
424 else
425 sprintf(i->name, "Composite%d", i->index);
426
427 i->type = V4L2_INPUT_TYPE_CAMERA;
428 i->std = dev->vdev.tvnorms;
429 return 0;
430 }
431
432 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
433 {
434 struct stk1160 *dev = video_drvdata(file);
435 *i = dev->ctl_input;
436 return 0;
437 }
438
439 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
440 {
441 struct stk1160 *dev = video_drvdata(file);
442
443 if (vb2_is_busy(&dev->vb_vidq))
444 return -EBUSY;
445
446 if (i > STK1160_MAX_INPUT)
447 return -EINVAL;
448
449 dev->ctl_input = i;
450
451 stk1160_select_input(dev);
452
453 return 0;
454 }
455
456 #ifdef CONFIG_VIDEO_ADV_DEBUG
457 static int vidioc_g_register(struct file *file, void *priv,
458 struct v4l2_dbg_register *reg)
459 {
460 struct stk1160 *dev = video_drvdata(file);
461 int rc;
462 u8 val;
463
464 /* Match host */
465 rc = stk1160_read_reg(dev, reg->reg, &val);
466 reg->val = val;
467 reg->size = 1;
468
469 return rc;
470 }
471
472 static int vidioc_s_register(struct file *file, void *priv,
473 const struct v4l2_dbg_register *reg)
474 {
475 struct stk1160 *dev = video_drvdata(file);
476
477 /* Match host */
478 return stk1160_write_reg(dev, reg->reg, cpu_to_le16(reg->val));
479 }
480 #endif
481
482 static const struct v4l2_ioctl_ops stk1160_ioctl_ops = {
483 .vidioc_querycap = vidioc_querycap,
484 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
485 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
486 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
487 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
488 .vidioc_querystd = vidioc_querystd,
489 .vidioc_g_std = vidioc_g_std,
490 .vidioc_s_std = vidioc_s_std,
491 .vidioc_enum_input = vidioc_enum_input,
492 .vidioc_g_input = vidioc_g_input,
493 .vidioc_s_input = vidioc_s_input,
494
495 /* vb2 takes care of these */
496 .vidioc_reqbufs = vb2_ioctl_reqbufs,
497 .vidioc_querybuf = vb2_ioctl_querybuf,
498 .vidioc_qbuf = vb2_ioctl_qbuf,
499 .vidioc_dqbuf = vb2_ioctl_dqbuf,
500 .vidioc_streamon = vb2_ioctl_streamon,
501 .vidioc_streamoff = vb2_ioctl_streamoff,
502
503 .vidioc_log_status = v4l2_ctrl_log_status,
504 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
505 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
506
507 #ifdef CONFIG_VIDEO_ADV_DEBUG
508 .vidioc_g_register = vidioc_g_register,
509 .vidioc_s_register = vidioc_s_register,
510 #endif
511 };
512
513 /********************************************************************/
514
515 /*
516 * Videobuf2 operations
517 */
518 static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *v4l_fmt,
519 unsigned int *nbuffers, unsigned int *nplanes,
520 unsigned int sizes[], void *alloc_ctxs[])
521 {
522 struct stk1160 *dev = vb2_get_drv_priv(vq);
523 unsigned long size;
524
525 size = dev->width * dev->height * 2;
526
527 /*
528 * Here we can change the number of buffers being requested.
529 * So, we set a minimum and a maximum like this:
530 */
531 *nbuffers = clamp_t(unsigned int, *nbuffers,
532 STK1160_MIN_VIDEO_BUFFERS, STK1160_MAX_VIDEO_BUFFERS);
533
534 /* This means a packed colorformat */
535 *nplanes = 1;
536
537 sizes[0] = size;
538
539 stk1160_info("%s: buffer count %d, each %ld bytes\n",
540 __func__, *nbuffers, size);
541
542 return 0;
543 }
544
545 static void buffer_queue(struct vb2_buffer *vb)
546 {
547 unsigned long flags;
548 struct stk1160 *dev = vb2_get_drv_priv(vb->vb2_queue);
549 struct stk1160_buffer *buf =
550 container_of(vb, struct stk1160_buffer, vb);
551
552 spin_lock_irqsave(&dev->buf_lock, flags);
553 if (!dev->udev) {
554 /*
555 * If the device is disconnected return the buffer to userspace
556 * directly. The next QBUF call will fail with -ENODEV.
557 */
558 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
559 } else {
560
561 buf->mem = vb2_plane_vaddr(vb, 0);
562 buf->length = vb2_plane_size(vb, 0);
563 buf->bytesused = 0;
564 buf->pos = 0;
565
566 /*
567 * If buffer length is less from expected then we return
568 * the buffer to userspace directly.
569 */
570 if (buf->length < dev->width * dev->height * 2)
571 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
572 else
573 list_add_tail(&buf->list, &dev->avail_bufs);
574
575 }
576 spin_unlock_irqrestore(&dev->buf_lock, flags);
577 }
578
579 static int start_streaming(struct vb2_queue *vq, unsigned int count)
580 {
581 struct stk1160 *dev = vb2_get_drv_priv(vq);
582 return stk1160_start_streaming(dev);
583 }
584
585 /* abort streaming and wait for last buffer */
586 static int stop_streaming(struct vb2_queue *vq)
587 {
588 struct stk1160 *dev = vb2_get_drv_priv(vq);
589 return stk1160_stop_streaming(dev);
590 }
591
592 static struct vb2_ops stk1160_video_qops = {
593 .queue_setup = queue_setup,
594 .buf_queue = buffer_queue,
595 .start_streaming = start_streaming,
596 .stop_streaming = stop_streaming,
597 .wait_prepare = vb2_ops_wait_prepare,
598 .wait_finish = vb2_ops_wait_finish,
599 };
600
601 static struct video_device v4l_template = {
602 .name = "stk1160",
603 .tvnorms = V4L2_STD_525_60 | V4L2_STD_625_50,
604 .fops = &stk1160_fops,
605 .ioctl_ops = &stk1160_ioctl_ops,
606 .release = video_device_release_empty,
607 };
608
609 /********************************************************************/
610
611 /* Must be called with both v4l_lock and vb_queue_lock hold */
612 void stk1160_clear_queue(struct stk1160 *dev)
613 {
614 struct stk1160_buffer *buf;
615 unsigned long flags;
616
617 /* Release all active buffers */
618 spin_lock_irqsave(&dev->buf_lock, flags);
619 while (!list_empty(&dev->avail_bufs)) {
620 buf = list_first_entry(&dev->avail_bufs,
621 struct stk1160_buffer, list);
622 list_del(&buf->list);
623 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
624 stk1160_info("buffer [%p/%d] aborted\n",
625 buf, buf->vb.v4l2_buf.index);
626 }
627 /* It's important to clear current buffer */
628 dev->isoc_ctl.buf = NULL;
629 spin_unlock_irqrestore(&dev->buf_lock, flags);
630 }
631
632 int stk1160_vb2_setup(struct stk1160 *dev)
633 {
634 int rc;
635 struct vb2_queue *q;
636
637 q = &dev->vb_vidq;
638 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
639 q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR;
640 q->drv_priv = dev;
641 q->buf_struct_size = sizeof(struct stk1160_buffer);
642 q->ops = &stk1160_video_qops;
643 q->mem_ops = &vb2_vmalloc_memops;
644 q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
645
646 rc = vb2_queue_init(q);
647 if (rc < 0)
648 return rc;
649
650 /* initialize video dma queue */
651 INIT_LIST_HEAD(&dev->avail_bufs);
652
653 return 0;
654 }
655
656 int stk1160_video_register(struct stk1160 *dev)
657 {
658 int rc;
659
660 /* Initialize video_device with a template structure */
661 dev->vdev = v4l_template;
662 dev->vdev.debug = vidioc_debug;
663 dev->vdev.queue = &dev->vb_vidq;
664
665 /*
666 * Provide mutexes for v4l2 core and for videobuf2 queue.
667 * It will be used to protect *only* v4l2 ioctls.
668 */
669 dev->vdev.lock = &dev->v4l_lock;
670 dev->vdev.queue->lock = &dev->vb_queue_lock;
671
672 /* This will be used to set video_device parent */
673 dev->vdev.v4l2_dev = &dev->v4l2_dev;
674 set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev.flags);
675
676 /* NTSC is default */
677 dev->norm = V4L2_STD_NTSC_M;
678 dev->width = 720;
679 dev->height = 480;
680
681 /* set default format */
682 dev->fmt = &format[0];
683 stk1160_set_std(dev);
684
685 v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std,
686 dev->norm);
687
688 video_set_drvdata(&dev->vdev, dev);
689 rc = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1);
690 if (rc < 0) {
691 stk1160_err("video_register_device failed (%d)\n", rc);
692 return rc;
693 }
694
695 v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n",
696 video_device_node_name(&dev->vdev));
697
698 return 0;
699 }
CRIS linux kernel tree