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866b8695 GKH |
1 | /* |
2 | * Copyright (C) 2005-2006 Micronas USA Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License (Version 2) as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software Foundation, | |
15 | * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
16 | */ | |
17 | ||
18 | #include <linux/module.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/version.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/sched.h> | |
23 | #include <linux/spinlock.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
866b8695 GKH |
25 | #include <linux/fs.h> |
26 | #include <linux/unistd.h> | |
27 | #include <linux/time.h> | |
28 | #include <linux/vmalloc.h> | |
29 | #include <linux/pagemap.h> | |
df20d69e | 30 | #include <linux/videodev2.h> |
866b8695 GKH |
31 | #include <media/v4l2-common.h> |
32 | #include <media/v4l2-ioctl.h> | |
fa3c39bd | 33 | #include <media/v4l2-subdev.h> |
866b8695 | 34 | #include <linux/i2c.h> |
fd9a40da | 35 | #include <linux/mutex.h> |
866b8695 GKH |
36 | #include <linux/uaccess.h> |
37 | #include <asm/system.h> | |
38 | ||
39 | #include "go7007.h" | |
40 | #include "go7007-priv.h" | |
41 | #include "wis-i2c.h" | |
42 | ||
d73f822c PE |
43 | /* Temporary defines until accepted in v4l-dvb */ |
44 | #ifndef V4L2_MPEG_STREAM_TYPE_MPEG_ELEM | |
45 | #define V4L2_MPEG_STREAM_TYPE_MPEG_ELEM 6 /* MPEG elementary stream */ | |
46 | #endif | |
47 | #ifndef V4L2_MPEG_VIDEO_ENCODING_MPEG_4 | |
48 | #define V4L2_MPEG_VIDEO_ENCODING_MPEG_4 3 | |
49 | #endif | |
50 | ||
fa3c39bd PE |
51 | #define call_all(dev, o, f, args...) \ |
52 | v4l2_device_call_until_err(dev, 0, o, f, ##args) | |
53 | ||
866b8695 GKH |
54 | static void deactivate_buffer(struct go7007_buffer *gobuf) |
55 | { | |
56 | int i; | |
57 | ||
58 | if (gobuf->state != BUF_STATE_IDLE) { | |
59 | list_del(&gobuf->stream); | |
60 | gobuf->state = BUF_STATE_IDLE; | |
61 | } | |
62 | if (gobuf->page_count > 0) { | |
63 | for (i = 0; i < gobuf->page_count; ++i) | |
64 | page_cache_release(gobuf->pages[i]); | |
65 | gobuf->page_count = 0; | |
66 | } | |
67 | } | |
68 | ||
69 | static void abort_queued(struct go7007 *go) | |
70 | { | |
71 | struct go7007_buffer *gobuf, *next; | |
72 | ||
73 | list_for_each_entry_safe(gobuf, next, &go->stream, stream) { | |
74 | deactivate_buffer(gobuf); | |
75 | } | |
76 | } | |
77 | ||
78 | static int go7007_streamoff(struct go7007 *go) | |
79 | { | |
80 | int retval = -EINVAL; | |
81 | unsigned long flags; | |
82 | ||
fd9a40da | 83 | mutex_lock(&go->hw_lock); |
866b8695 GKH |
84 | if (go->streaming) { |
85 | go->streaming = 0; | |
86 | go7007_stream_stop(go); | |
87 | spin_lock_irqsave(&go->spinlock, flags); | |
88 | abort_queued(go); | |
89 | spin_unlock_irqrestore(&go->spinlock, flags); | |
90 | go7007_reset_encoder(go); | |
91 | retval = 0; | |
92 | } | |
fd9a40da | 93 | mutex_unlock(&go->hw_lock); |
866b8695 GKH |
94 | return 0; |
95 | } | |
96 | ||
60572c0d | 97 | static int go7007_open(struct file *file) |
866b8695 GKH |
98 | { |
99 | struct go7007 *go = video_get_drvdata(video_devdata(file)); | |
100 | struct go7007_file *gofh; | |
101 | ||
102 | if (go->status != STATUS_ONLINE) | |
103 | return -EBUSY; | |
104 | gofh = kmalloc(sizeof(struct go7007_file), GFP_KERNEL); | |
105 | if (gofh == NULL) | |
106 | return -ENOMEM; | |
107 | ++go->ref_count; | |
108 | gofh->go = go; | |
fd9a40da | 109 | mutex_init(&gofh->lock); |
866b8695 GKH |
110 | gofh->buf_count = 0; |
111 | file->private_data = gofh; | |
112 | return 0; | |
113 | } | |
114 | ||
60572c0d | 115 | static int go7007_release(struct file *file) |
866b8695 GKH |
116 | { |
117 | struct go7007_file *gofh = file->private_data; | |
118 | struct go7007 *go = gofh->go; | |
119 | ||
120 | if (gofh->buf_count > 0) { | |
121 | go7007_streamoff(go); | |
122 | go->in_use = 0; | |
123 | kfree(gofh->bufs); | |
124 | gofh->buf_count = 0; | |
125 | } | |
126 | kfree(gofh); | |
127 | if (--go->ref_count == 0) | |
128 | kfree(go); | |
129 | file->private_data = NULL; | |
130 | return 0; | |
131 | } | |
132 | ||
133 | static u32 get_frame_type_flag(struct go7007_buffer *gobuf, int format) | |
134 | { | |
135 | u8 *f = page_address(gobuf->pages[0]); | |
136 | ||
137 | switch (format) { | |
138 | case GO7007_FORMAT_MJPEG: | |
139 | return V4L2_BUF_FLAG_KEYFRAME; | |
140 | case GO7007_FORMAT_MPEG4: | |
141 | switch ((f[gobuf->frame_offset + 4] >> 6) & 0x3) { | |
142 | case 0: | |
143 | return V4L2_BUF_FLAG_KEYFRAME; | |
144 | case 1: | |
145 | return V4L2_BUF_FLAG_PFRAME; | |
146 | case 2: | |
147 | return V4L2_BUF_FLAG_BFRAME; | |
148 | default: | |
149 | return 0; | |
150 | } | |
151 | case GO7007_FORMAT_MPEG1: | |
152 | case GO7007_FORMAT_MPEG2: | |
153 | switch ((f[gobuf->frame_offset + 5] >> 3) & 0x7) { | |
154 | case 1: | |
155 | return V4L2_BUF_FLAG_KEYFRAME; | |
156 | case 2: | |
157 | return V4L2_BUF_FLAG_PFRAME; | |
158 | case 3: | |
159 | return V4L2_BUF_FLAG_BFRAME; | |
160 | default: | |
161 | return 0; | |
162 | } | |
163 | } | |
164 | ||
165 | return 0; | |
166 | } | |
167 | ||
168 | static int set_capture_size(struct go7007 *go, struct v4l2_format *fmt, int try) | |
169 | { | |
170 | int sensor_height = 0, sensor_width = 0; | |
171 | int width, height, i; | |
172 | ||
173 | if (fmt != NULL && fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG && | |
174 | fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG && | |
175 | fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG4) | |
176 | return -EINVAL; | |
177 | ||
178 | switch (go->standard) { | |
179 | case GO7007_STD_NTSC: | |
180 | sensor_width = 720; | |
181 | sensor_height = 480; | |
182 | break; | |
183 | case GO7007_STD_PAL: | |
184 | sensor_width = 720; | |
185 | sensor_height = 576; | |
186 | break; | |
187 | case GO7007_STD_OTHER: | |
188 | sensor_width = go->board_info->sensor_width; | |
189 | sensor_height = go->board_info->sensor_height; | |
190 | break; | |
191 | } | |
192 | ||
193 | if (fmt == NULL) { | |
194 | width = sensor_width; | |
195 | height = sensor_height; | |
196 | } else if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) { | |
197 | if (fmt->fmt.pix.width > sensor_width) | |
198 | width = sensor_width; | |
199 | else if (fmt->fmt.pix.width < 144) | |
200 | width = 144; | |
201 | else | |
202 | width = fmt->fmt.pix.width & ~0x0f; | |
203 | ||
204 | if (fmt->fmt.pix.height > sensor_height) | |
205 | height = sensor_height; | |
206 | else if (fmt->fmt.pix.height < 96) | |
207 | height = 96; | |
208 | else | |
209 | height = fmt->fmt.pix.height & ~0x0f; | |
210 | } else { | |
211 | int requested_size = fmt->fmt.pix.width * fmt->fmt.pix.height; | |
212 | int sensor_size = sensor_width * sensor_height; | |
213 | ||
214 | if (64 * requested_size < 9 * sensor_size) { | |
215 | width = sensor_width / 4; | |
216 | height = sensor_height / 4; | |
217 | } else if (64 * requested_size < 36 * sensor_size) { | |
218 | width = sensor_width / 2; | |
219 | height = sensor_height / 2; | |
220 | } else { | |
221 | width = sensor_width; | |
222 | height = sensor_height; | |
223 | } | |
224 | width &= ~0xf; | |
225 | height &= ~0xf; | |
226 | } | |
227 | ||
228 | if (fmt != NULL) { | |
229 | u32 pixelformat = fmt->fmt.pix.pixelformat; | |
230 | ||
231 | memset(fmt, 0, sizeof(*fmt)); | |
232 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
233 | fmt->fmt.pix.width = width; | |
234 | fmt->fmt.pix.height = height; | |
235 | fmt->fmt.pix.pixelformat = pixelformat; | |
236 | fmt->fmt.pix.field = V4L2_FIELD_NONE; | |
237 | fmt->fmt.pix.bytesperline = 0; | |
238 | fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE; | |
239 | fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* ?? */ | |
240 | } | |
241 | ||
242 | if (try) | |
243 | return 0; | |
244 | ||
245 | go->width = width; | |
246 | go->height = height; | |
247 | go->encoder_h_offset = go->board_info->sensor_h_offset; | |
248 | go->encoder_v_offset = go->board_info->sensor_v_offset; | |
249 | for (i = 0; i < 4; ++i) | |
250 | go->modet[i].enable = 0; | |
251 | for (i = 0; i < 1624; ++i) | |
252 | go->modet_map[i] = 0; | |
253 | ||
254 | if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) { | |
fa3c39bd PE |
255 | struct v4l2_format res; |
256 | ||
257 | if (fmt != NULL) { | |
258 | res = *fmt; | |
259 | } else { | |
260 | res.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
261 | res.fmt.pix.width = width; | |
262 | } | |
866b8695 | 263 | |
866b8695 | 264 | if (height > sensor_height / 2) { |
fa3c39bd | 265 | res.fmt.pix.height = height / 2; |
866b8695 GKH |
266 | go->encoder_v_halve = 0; |
267 | } else { | |
fa3c39bd | 268 | res.fmt.pix.height = height; |
866b8695 GKH |
269 | go->encoder_v_halve = 1; |
270 | } | |
fa3c39bd | 271 | call_all(&go->v4l2_dev, video, s_fmt, &res); |
866b8695 GKH |
272 | } else { |
273 | if (width <= sensor_width / 4) { | |
274 | go->encoder_h_halve = 1; | |
275 | go->encoder_v_halve = 1; | |
276 | go->encoder_subsample = 1; | |
277 | } else if (width <= sensor_width / 2) { | |
278 | go->encoder_h_halve = 1; | |
279 | go->encoder_v_halve = 1; | |
280 | go->encoder_subsample = 0; | |
281 | } else { | |
282 | go->encoder_h_halve = 0; | |
283 | go->encoder_v_halve = 0; | |
284 | go->encoder_subsample = 0; | |
285 | } | |
286 | } | |
287 | ||
288 | if (fmt == NULL) | |
289 | return 0; | |
290 | ||
291 | switch (fmt->fmt.pix.pixelformat) { | |
292 | case V4L2_PIX_FMT_MPEG: | |
293 | if (go->format == GO7007_FORMAT_MPEG1 || | |
294 | go->format == GO7007_FORMAT_MPEG2 || | |
295 | go->format == GO7007_FORMAT_MPEG4) | |
296 | break; | |
297 | go->format = GO7007_FORMAT_MPEG1; | |
298 | go->pali = 0; | |
299 | go->aspect_ratio = GO7007_RATIO_1_1; | |
300 | go->gop_size = go->sensor_framerate / 1000; | |
301 | go->ipb = 0; | |
302 | go->closed_gop = 1; | |
303 | go->repeat_seqhead = 1; | |
304 | go->seq_header_enable = 1; | |
305 | go->gop_header_enable = 1; | |
306 | go->dvd_mode = 0; | |
307 | break; | |
308 | /* Backwards compatibility only! */ | |
309 | case V4L2_PIX_FMT_MPEG4: | |
310 | if (go->format == GO7007_FORMAT_MPEG4) | |
311 | break; | |
312 | go->format = GO7007_FORMAT_MPEG4; | |
313 | go->pali = 0xf5; | |
314 | go->aspect_ratio = GO7007_RATIO_1_1; | |
315 | go->gop_size = go->sensor_framerate / 1000; | |
316 | go->ipb = 0; | |
317 | go->closed_gop = 1; | |
318 | go->repeat_seqhead = 1; | |
319 | go->seq_header_enable = 1; | |
320 | go->gop_header_enable = 1; | |
321 | go->dvd_mode = 0; | |
322 | break; | |
323 | case V4L2_PIX_FMT_MJPEG: | |
324 | go->format = GO7007_FORMAT_MJPEG; | |
325 | go->pali = 0; | |
326 | go->aspect_ratio = GO7007_RATIO_1_1; | |
327 | go->gop_size = 0; | |
328 | go->ipb = 0; | |
329 | go->closed_gop = 0; | |
330 | go->repeat_seqhead = 0; | |
331 | go->seq_header_enable = 0; | |
332 | go->gop_header_enable = 0; | |
333 | go->dvd_mode = 0; | |
334 | break; | |
335 | } | |
336 | return 0; | |
337 | } | |
338 | ||
8fca1cb3 | 339 | #if 0 |
866b8695 GKH |
340 | static int clip_to_modet_map(struct go7007 *go, int region, |
341 | struct v4l2_clip *clip_list) | |
342 | { | |
343 | struct v4l2_clip clip, *clip_ptr; | |
344 | int x, y, mbnum; | |
345 | ||
346 | /* Check if coordinates are OK and if any macroblocks are already | |
347 | * used by other regions (besides 0) */ | |
348 | clip_ptr = clip_list; | |
349 | while (clip_ptr) { | |
350 | if (copy_from_user(&clip, clip_ptr, sizeof(clip))) | |
351 | return -EFAULT; | |
352 | if (clip.c.left < 0 || (clip.c.left & 0xF) || | |
353 | clip.c.width <= 0 || (clip.c.width & 0xF)) | |
354 | return -EINVAL; | |
355 | if (clip.c.left + clip.c.width > go->width) | |
356 | return -EINVAL; | |
357 | if (clip.c.top < 0 || (clip.c.top & 0xF) || | |
358 | clip.c.height <= 0 || (clip.c.height & 0xF)) | |
359 | return -EINVAL; | |
360 | if (clip.c.top + clip.c.height > go->height) | |
361 | return -EINVAL; | |
362 | for (y = 0; y < clip.c.height; y += 16) | |
363 | for (x = 0; x < clip.c.width; x += 16) { | |
364 | mbnum = (go->width >> 4) * | |
365 | ((clip.c.top + y) >> 4) + | |
366 | ((clip.c.left + x) >> 4); | |
367 | if (go->modet_map[mbnum] != 0 && | |
368 | go->modet_map[mbnum] != region) | |
369 | return -EBUSY; | |
370 | } | |
371 | clip_ptr = clip.next; | |
372 | } | |
373 | ||
374 | /* Clear old region macroblocks */ | |
375 | for (mbnum = 0; mbnum < 1624; ++mbnum) | |
376 | if (go->modet_map[mbnum] == region) | |
377 | go->modet_map[mbnum] = 0; | |
378 | ||
379 | /* Claim macroblocks in this list */ | |
380 | clip_ptr = clip_list; | |
381 | while (clip_ptr) { | |
382 | if (copy_from_user(&clip, clip_ptr, sizeof(clip))) | |
383 | return -EFAULT; | |
384 | for (y = 0; y < clip.c.height; y += 16) | |
385 | for (x = 0; x < clip.c.width; x += 16) { | |
386 | mbnum = (go->width >> 4) * | |
387 | ((clip.c.top + y) >> 4) + | |
388 | ((clip.c.left + x) >> 4); | |
389 | go->modet_map[mbnum] = region; | |
390 | } | |
391 | clip_ptr = clip.next; | |
392 | } | |
393 | return 0; | |
394 | } | |
669022a2 | 395 | #endif |
866b8695 | 396 | |
fa3c39bd | 397 | static int mpeg_query_ctrl(struct v4l2_queryctrl *ctrl) |
d73f822c | 398 | { |
d73f822c PE |
399 | static const u32 mpeg_ctrls[] = { |
400 | V4L2_CID_MPEG_CLASS, | |
401 | V4L2_CID_MPEG_STREAM_TYPE, | |
402 | V4L2_CID_MPEG_VIDEO_ENCODING, | |
403 | V4L2_CID_MPEG_VIDEO_ASPECT, | |
404 | V4L2_CID_MPEG_VIDEO_GOP_SIZE, | |
405 | V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, | |
406 | V4L2_CID_MPEG_VIDEO_BITRATE, | |
407 | 0 | |
408 | }; | |
409 | static const u32 *ctrl_classes[] = { | |
d73f822c PE |
410 | mpeg_ctrls, |
411 | NULL | |
412 | }; | |
413 | ||
669022a2 | 414 | ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id); |
d73f822c PE |
415 | |
416 | switch (ctrl->id) { | |
d73f822c | 417 | case V4L2_CID_MPEG_CLASS: |
669022a2 | 418 | return v4l2_ctrl_query_fill(ctrl, 0, 0, 0, 0); |
d73f822c PE |
419 | case V4L2_CID_MPEG_STREAM_TYPE: |
420 | return v4l2_ctrl_query_fill(ctrl, | |
421 | V4L2_MPEG_STREAM_TYPE_MPEG2_DVD, | |
422 | V4L2_MPEG_STREAM_TYPE_MPEG_ELEM, 1, | |
423 | V4L2_MPEG_STREAM_TYPE_MPEG_ELEM); | |
424 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
425 | return v4l2_ctrl_query_fill(ctrl, | |
426 | V4L2_MPEG_VIDEO_ENCODING_MPEG_1, | |
427 | V4L2_MPEG_VIDEO_ENCODING_MPEG_4, 1, | |
428 | V4L2_MPEG_VIDEO_ENCODING_MPEG_2); | |
429 | case V4L2_CID_MPEG_VIDEO_ASPECT: | |
430 | return v4l2_ctrl_query_fill(ctrl, | |
431 | V4L2_MPEG_VIDEO_ASPECT_1x1, | |
432 | V4L2_MPEG_VIDEO_ASPECT_16x9, 1, | |
433 | V4L2_MPEG_VIDEO_ASPECT_1x1); | |
434 | case V4L2_CID_MPEG_VIDEO_GOP_SIZE: | |
669022a2 | 435 | return v4l2_ctrl_query_fill(ctrl, 0, 34, 1, 15); |
d73f822c | 436 | case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: |
669022a2 | 437 | return v4l2_ctrl_query_fill(ctrl, 0, 1, 1, 0); |
d73f822c PE |
438 | case V4L2_CID_MPEG_VIDEO_BITRATE: |
439 | return v4l2_ctrl_query_fill(ctrl, | |
440 | 64000, | |
441 | 10000000, 1, | |
669022a2 | 442 | 1500000); |
d73f822c | 443 | default: |
669022a2 | 444 | return -EINVAL; |
d73f822c | 445 | } |
669022a2 | 446 | return 0; |
d73f822c PE |
447 | } |
448 | ||
669022a2 | 449 | static int mpeg_s_ctrl(struct v4l2_control *ctrl, struct go7007 *go) |
d73f822c PE |
450 | { |
451 | /* pretty sure we can't change any of these while streaming */ | |
452 | if (go->streaming) | |
453 | return -EBUSY; | |
454 | ||
455 | switch (ctrl->id) { | |
456 | case V4L2_CID_MPEG_STREAM_TYPE: | |
457 | switch (ctrl->value) { | |
458 | case V4L2_MPEG_STREAM_TYPE_MPEG2_DVD: | |
459 | go->format = GO7007_FORMAT_MPEG2; | |
460 | go->bitrate = 9800000; | |
461 | go->gop_size = 15; | |
462 | go->pali = 0x48; | |
463 | go->closed_gop = 1; | |
464 | go->repeat_seqhead = 0; | |
465 | go->seq_header_enable = 1; | |
466 | go->gop_header_enable = 1; | |
467 | go->dvd_mode = 1; | |
468 | break; | |
469 | case V4L2_MPEG_STREAM_TYPE_MPEG_ELEM: | |
470 | /* todo: */ | |
471 | break; | |
472 | default: | |
473 | return -EINVAL; | |
474 | } | |
475 | break; | |
476 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
477 | switch (ctrl->value) { | |
478 | case V4L2_MPEG_VIDEO_ENCODING_MPEG_1: | |
479 | go->format = GO7007_FORMAT_MPEG1; | |
480 | go->pali = 0; | |
481 | break; | |
482 | case V4L2_MPEG_VIDEO_ENCODING_MPEG_2: | |
483 | go->format = GO7007_FORMAT_MPEG2; | |
484 | /*if (mpeg->pali >> 24 == 2) | |
485 | go->pali = mpeg->pali & 0xff; | |
486 | else*/ | |
487 | go->pali = 0x48; | |
488 | break; | |
489 | case V4L2_MPEG_VIDEO_ENCODING_MPEG_4: | |
490 | go->format = GO7007_FORMAT_MPEG4; | |
491 | /*if (mpeg->pali >> 24 == 4) | |
492 | go->pali = mpeg->pali & 0xff; | |
493 | else*/ | |
494 | go->pali = 0xf5; | |
495 | break; | |
496 | default: | |
497 | return -EINVAL; | |
498 | } | |
499 | go->gop_header_enable = | |
500 | /*mpeg->flags & GO7007_MPEG_OMIT_GOP_HEADER | |
501 | ? 0 :*/ 1; | |
502 | /*if (mpeg->flags & GO7007_MPEG_REPEAT_SEQHEADER) | |
503 | go->repeat_seqhead = 1; | |
504 | else*/ | |
505 | go->repeat_seqhead = 0; | |
506 | go->dvd_mode = 0; | |
507 | break; | |
508 | case V4L2_CID_MPEG_VIDEO_ASPECT: | |
509 | if (go->format == GO7007_FORMAT_MJPEG) | |
510 | return -EINVAL; | |
511 | switch (ctrl->value) { | |
512 | case V4L2_MPEG_VIDEO_ASPECT_1x1: | |
513 | go->aspect_ratio = GO7007_RATIO_1_1; | |
514 | break; | |
515 | case V4L2_MPEG_VIDEO_ASPECT_4x3: | |
516 | go->aspect_ratio = GO7007_RATIO_4_3; | |
517 | break; | |
518 | case V4L2_MPEG_VIDEO_ASPECT_16x9: | |
519 | go->aspect_ratio = GO7007_RATIO_16_9; | |
520 | break; | |
521 | case V4L2_MPEG_VIDEO_ASPECT_221x100: | |
522 | default: | |
523 | return -EINVAL; | |
524 | } | |
525 | break; | |
526 | case V4L2_CID_MPEG_VIDEO_GOP_SIZE: | |
669022a2 PE |
527 | if (ctrl->value < 0 || ctrl->value > 34) |
528 | return -EINVAL; | |
d73f822c PE |
529 | go->gop_size = ctrl->value; |
530 | break; | |
531 | case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: | |
532 | if (ctrl->value != 0 && ctrl->value != 1) | |
533 | return -EINVAL; | |
534 | go->closed_gop = ctrl->value; | |
535 | break; | |
536 | case V4L2_CID_MPEG_VIDEO_BITRATE: | |
537 | /* Upper bound is kind of arbitrary here */ | |
538 | if (ctrl->value < 64000 || ctrl->value > 10000000) | |
539 | return -EINVAL; | |
540 | go->bitrate = ctrl->value; | |
541 | break; | |
542 | default: | |
543 | return -EINVAL; | |
544 | } | |
545 | return 0; | |
546 | } | |
547 | ||
669022a2 | 548 | static int mpeg_g_ctrl(struct v4l2_control *ctrl, struct go7007 *go) |
d73f822c PE |
549 | { |
550 | switch (ctrl->id) { | |
551 | case V4L2_CID_MPEG_STREAM_TYPE: | |
552 | if (go->dvd_mode) | |
553 | ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_DVD; | |
554 | else | |
555 | ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG_ELEM; | |
556 | break; | |
557 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
558 | switch (go->format) { | |
559 | case GO7007_FORMAT_MPEG1: | |
560 | ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_1; | |
561 | break; | |
562 | case GO7007_FORMAT_MPEG2: | |
563 | ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_2; | |
564 | break; | |
565 | case GO7007_FORMAT_MPEG4: | |
566 | ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4; | |
567 | break; | |
568 | default: | |
569 | return -EINVAL; | |
570 | } | |
571 | break; | |
572 | case V4L2_CID_MPEG_VIDEO_ASPECT: | |
573 | switch (go->aspect_ratio) { | |
574 | case GO7007_RATIO_1_1: | |
575 | ctrl->value = V4L2_MPEG_VIDEO_ASPECT_1x1; | |
576 | break; | |
577 | case GO7007_RATIO_4_3: | |
578 | ctrl->value = V4L2_MPEG_VIDEO_ASPECT_4x3; | |
579 | break; | |
580 | case GO7007_RATIO_16_9: | |
581 | ctrl->value = V4L2_MPEG_VIDEO_ASPECT_16x9; | |
582 | break; | |
583 | default: | |
584 | return -EINVAL; | |
585 | } | |
586 | break; | |
587 | case V4L2_CID_MPEG_VIDEO_GOP_SIZE: | |
588 | ctrl->value = go->gop_size; | |
589 | break; | |
590 | case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: | |
591 | ctrl->value = go->closed_gop; | |
592 | break; | |
593 | case V4L2_CID_MPEG_VIDEO_BITRATE: | |
594 | ctrl->value = go->bitrate; | |
595 | break; | |
596 | default: | |
597 | return -EINVAL; | |
598 | } | |
599 | return 0; | |
600 | } | |
601 | ||
65f9f619 MCC |
602 | static int vidioc_querycap(struct file *file, void *priv, |
603 | struct v4l2_capability *cap) | |
866b8695 | 604 | { |
f4135b69 | 605 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
866b8695 | 606 | |
65f9f619 MCC |
607 | strlcpy(cap->driver, "go7007", sizeof(cap->driver)); |
608 | strlcpy(cap->card, go->name, sizeof(cap->card)); | |
609 | #if 0 | |
610 | strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info)); | |
611 | #endif | |
866b8695 | 612 | |
65f9f619 | 613 | cap->version = KERNEL_VERSION(0, 9, 8); |
866b8695 | 614 | |
65f9f619 MCC |
615 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
616 | V4L2_CAP_STREAMING; /* | V4L2_CAP_AUDIO; */ | |
866b8695 | 617 | |
65f9f619 MCC |
618 | if (go->board_info->flags & GO7007_BOARD_HAS_TUNER) |
619 | cap->capabilities |= V4L2_CAP_TUNER; | |
866b8695 | 620 | |
65f9f619 MCC |
621 | return 0; |
622 | } | |
866b8695 | 623 | |
65f9f619 MCC |
624 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
625 | struct v4l2_fmtdesc *fmt) | |
626 | { | |
627 | char *desc = NULL; | |
d73f822c | 628 | |
65f9f619 MCC |
629 | switch (fmt->index) { |
630 | case 0: | |
631 | fmt->pixelformat = V4L2_PIX_FMT_MJPEG; | |
632 | desc = "Motion-JPEG"; | |
633 | break; | |
634 | case 1: | |
635 | fmt->pixelformat = V4L2_PIX_FMT_MPEG; | |
636 | desc = "MPEG1/MPEG2/MPEG4"; | |
637 | break; | |
638 | default: | |
866b8695 | 639 | return -EINVAL; |
65f9f619 MCC |
640 | } |
641 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
642 | fmt->flags = V4L2_FMT_FLAG_COMPRESSED; | |
866b8695 | 643 | |
65f9f619 | 644 | strncpy(fmt->description, desc, sizeof(fmt->description)); |
866b8695 | 645 | |
65f9f619 MCC |
646 | return 0; |
647 | } | |
648 | ||
649 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
650 | struct v4l2_format *fmt) | |
651 | { | |
f4135b69 | 652 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
653 | |
654 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
655 | fmt->fmt.pix.width = go->width; | |
656 | fmt->fmt.pix.height = go->height; | |
657 | fmt->fmt.pix.pixelformat = (go->format == GO7007_FORMAT_MJPEG) ? | |
658 | V4L2_PIX_FMT_MJPEG : V4L2_PIX_FMT_MPEG; | |
659 | fmt->fmt.pix.field = V4L2_FIELD_NONE; | |
660 | fmt->fmt.pix.bytesperline = 0; | |
661 | fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE; | |
662 | fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
663 | ||
664 | return 0; | |
665 | } | |
666 | ||
667 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
668 | struct v4l2_format *fmt) | |
669 | { | |
f4135b69 | 670 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
671 | |
672 | return set_capture_size(go, fmt, 1); | |
673 | } | |
674 | ||
675 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
676 | struct v4l2_format *fmt) | |
677 | { | |
f4135b69 | 678 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
679 | |
680 | if (go->streaming) | |
681 | return -EBUSY; | |
682 | ||
683 | return set_capture_size(go, fmt, 0); | |
684 | } | |
685 | ||
686 | static int vidioc_reqbufs(struct file *file, void *priv, | |
687 | struct v4l2_requestbuffers *req) | |
688 | { | |
689 | struct go7007_file *gofh = priv; | |
690 | struct go7007 *go = gofh->go; | |
691 | int retval = -EBUSY; | |
692 | unsigned int count, i; | |
693 | ||
694 | if (go->streaming) | |
695 | return retval; | |
696 | ||
697 | if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || | |
698 | req->memory != V4L2_MEMORY_MMAP) | |
699 | return -EINVAL; | |
700 | ||
fd9a40da | 701 | mutex_lock(&gofh->lock); |
65f9f619 MCC |
702 | for (i = 0; i < gofh->buf_count; ++i) |
703 | if (gofh->bufs[i].mapped > 0) | |
866b8695 | 704 | goto unlock_and_return; |
65f9f619 | 705 | |
fd9a40da | 706 | mutex_lock(&go->hw_lock); |
65f9f619 | 707 | if (go->in_use > 0 && gofh->buf_count == 0) { |
fd9a40da | 708 | mutex_unlock(&go->hw_lock); |
65f9f619 | 709 | goto unlock_and_return; |
866b8695 | 710 | } |
866b8695 | 711 | |
65f9f619 MCC |
712 | if (gofh->buf_count > 0) |
713 | kfree(gofh->bufs); | |
866b8695 | 714 | |
65f9f619 MCC |
715 | retval = -ENOMEM; |
716 | count = req->count; | |
717 | if (count > 0) { | |
718 | if (count < 2) | |
719 | count = 2; | |
720 | if (count > 32) | |
721 | count = 32; | |
866b8695 | 722 | |
65f9f619 MCC |
723 | gofh->bufs = kmalloc(count * sizeof(struct go7007_buffer), |
724 | GFP_KERNEL); | |
725 | ||
726 | if (!gofh->bufs) { | |
fd9a40da | 727 | mutex_unlock(&go->hw_lock); |
866b8695 GKH |
728 | goto unlock_and_return; |
729 | } | |
866b8695 | 730 | |
65f9f619 MCC |
731 | memset(gofh->bufs, 0, count * sizeof(struct go7007_buffer)); |
732 | ||
733 | for (i = 0; i < count; ++i) { | |
734 | gofh->bufs[i].go = go; | |
735 | gofh->bufs[i].index = i; | |
736 | gofh->bufs[i].state = BUF_STATE_IDLE; | |
737 | gofh->bufs[i].mapped = 0; | |
866b8695 | 738 | } |
65f9f619 MCC |
739 | |
740 | go->in_use = 1; | |
741 | } else { | |
742 | go->in_use = 0; | |
866b8695 | 743 | } |
866b8695 | 744 | |
65f9f619 | 745 | gofh->buf_count = count; |
fd9a40da MCC |
746 | mutex_unlock(&go->hw_lock); |
747 | mutex_unlock(&gofh->lock); | |
65f9f619 MCC |
748 | |
749 | memset(req, 0, sizeof(*req)); | |
750 | ||
751 | req->count = count; | |
752 | req->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
753 | req->memory = V4L2_MEMORY_MMAP; | |
754 | ||
755 | return 0; | |
756 | ||
757 | unlock_and_return: | |
fd9a40da | 758 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
759 | return retval; |
760 | } | |
761 | ||
762 | static int vidioc_querybuf(struct file *file, void *priv, | |
763 | struct v4l2_buffer *buf) | |
764 | { | |
765 | struct go7007_file *gofh = priv; | |
766 | int retval = -EINVAL; | |
767 | unsigned int index; | |
768 | ||
769 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
866b8695 | 770 | return retval; |
866b8695 | 771 | |
65f9f619 | 772 | index = buf->index; |
866b8695 | 773 | |
fd9a40da | 774 | mutex_lock(&gofh->lock); |
65f9f619 MCC |
775 | if (index >= gofh->buf_count) |
776 | goto unlock_and_return; | |
866b8695 | 777 | |
65f9f619 MCC |
778 | memset(buf, 0, sizeof(*buf)); |
779 | buf->index = index; | |
780 | buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
781 | ||
782 | switch (gofh->bufs[index].state) { | |
783 | case BUF_STATE_QUEUED: | |
784 | buf->flags = V4L2_BUF_FLAG_QUEUED; | |
785 | break; | |
786 | case BUF_STATE_DONE: | |
787 | buf->flags = V4L2_BUF_FLAG_DONE; | |
788 | break; | |
789 | default: | |
790 | buf->flags = 0; | |
866b8695 | 791 | } |
866b8695 | 792 | |
65f9f619 MCC |
793 | if (gofh->bufs[index].mapped) |
794 | buf->flags |= V4L2_BUF_FLAG_MAPPED; | |
795 | buf->memory = V4L2_MEMORY_MMAP; | |
796 | buf->m.offset = index * GO7007_BUF_SIZE; | |
797 | buf->length = GO7007_BUF_SIZE; | |
fd9a40da | 798 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
799 | |
800 | return 0; | |
801 | ||
802 | unlock_and_return: | |
fd9a40da | 803 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
804 | return retval; |
805 | } | |
806 | ||
807 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) | |
808 | { | |
809 | struct go7007_file *gofh = priv; | |
810 | struct go7007 *go = gofh->go; | |
811 | struct go7007_buffer *gobuf; | |
812 | unsigned long flags; | |
813 | int retval = -EINVAL; | |
814 | int ret; | |
815 | ||
816 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || | |
817 | buf->memory != V4L2_MEMORY_MMAP) | |
818 | return retval; | |
819 | ||
fd9a40da | 820 | mutex_lock(&gofh->lock); |
65f9f619 MCC |
821 | if (buf->index < 0 || buf->index >= gofh->buf_count) |
822 | goto unlock_and_return; | |
823 | ||
824 | gobuf = &gofh->bufs[buf->index]; | |
825 | if (!gobuf->mapped) | |
826 | goto unlock_and_return; | |
827 | ||
828 | retval = -EBUSY; | |
829 | if (gobuf->state != BUF_STATE_IDLE) | |
830 | goto unlock_and_return; | |
831 | ||
832 | /* offset will be 0 until we really support USERPTR streaming */ | |
833 | gobuf->offset = gobuf->user_addr & ~PAGE_MASK; | |
834 | gobuf->bytesused = 0; | |
835 | gobuf->frame_offset = 0; | |
836 | gobuf->modet_active = 0; | |
837 | if (gobuf->offset > 0) | |
838 | gobuf->page_count = GO7007_BUF_PAGES + 1; | |
839 | else | |
840 | gobuf->page_count = GO7007_BUF_PAGES; | |
841 | ||
842 | retval = -ENOMEM; | |
843 | down_read(¤t->mm->mmap_sem); | |
844 | ret = get_user_pages(current, current->mm, | |
845 | gobuf->user_addr & PAGE_MASK, gobuf->page_count, | |
846 | 1, 1, gobuf->pages, NULL); | |
847 | up_read(¤t->mm->mmap_sem); | |
848 | ||
849 | if (ret != gobuf->page_count) { | |
850 | int i; | |
851 | for (i = 0; i < ret; ++i) | |
852 | page_cache_release(gobuf->pages[i]); | |
853 | gobuf->page_count = 0; | |
854 | goto unlock_and_return; | |
866b8695 | 855 | } |
866b8695 | 856 | |
65f9f619 MCC |
857 | gobuf->state = BUF_STATE_QUEUED; |
858 | spin_lock_irqsave(&go->spinlock, flags); | |
859 | list_add_tail(&gobuf->stream, &go->stream); | |
860 | spin_unlock_irqrestore(&go->spinlock, flags); | |
fd9a40da | 861 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
862 | |
863 | return 0; | |
864 | ||
865 | unlock_and_return: | |
fd9a40da | 866 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
867 | return retval; |
868 | } | |
869 | ||
870 | ||
871 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) | |
872 | { | |
873 | struct go7007_file *gofh = priv; | |
874 | struct go7007 *go = gofh->go; | |
875 | struct go7007_buffer *gobuf; | |
876 | int retval = -EINVAL; | |
877 | unsigned long flags; | |
878 | u32 frame_type_flag; | |
879 | DEFINE_WAIT(wait); | |
880 | ||
881 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
882 | return retval; | |
883 | if (buf->memory != V4L2_MEMORY_MMAP) | |
884 | return retval; | |
885 | ||
fd9a40da | 886 | mutex_lock(&gofh->lock); |
65f9f619 MCC |
887 | if (list_empty(&go->stream)) |
888 | goto unlock_and_return; | |
889 | gobuf = list_entry(go->stream.next, | |
890 | struct go7007_buffer, stream); | |
891 | ||
892 | retval = -EAGAIN; | |
893 | if (gobuf->state != BUF_STATE_DONE && | |
894 | !(file->f_flags & O_NONBLOCK)) { | |
895 | for (;;) { | |
896 | prepare_to_wait(&go->frame_waitq, &wait, | |
897 | TASK_INTERRUPTIBLE); | |
898 | if (gobuf->state == BUF_STATE_DONE) | |
899 | break; | |
900 | if (signal_pending(current)) { | |
901 | retval = -ERESTARTSYS; | |
902 | break; | |
903 | } | |
904 | schedule(); | |
905 | } | |
906 | finish_wait(&go->frame_waitq, &wait); | |
907 | } | |
908 | if (gobuf->state != BUF_STATE_DONE) | |
909 | goto unlock_and_return; | |
910 | ||
911 | spin_lock_irqsave(&go->spinlock, flags); | |
912 | deactivate_buffer(gobuf); | |
913 | spin_unlock_irqrestore(&go->spinlock, flags); | |
914 | frame_type_flag = get_frame_type_flag(gobuf, go->format); | |
915 | gobuf->state = BUF_STATE_IDLE; | |
916 | ||
917 | memset(buf, 0, sizeof(*buf)); | |
918 | buf->index = gobuf->index; | |
919 | buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
920 | buf->bytesused = gobuf->bytesused; | |
921 | buf->flags = V4L2_BUF_FLAG_MAPPED | frame_type_flag; | |
922 | buf->field = V4L2_FIELD_NONE; | |
923 | buf->timestamp = gobuf->timestamp; | |
924 | buf->sequence = gobuf->seq; | |
925 | buf->memory = V4L2_MEMORY_MMAP; | |
926 | buf->m.offset = gobuf->index * GO7007_BUF_SIZE; | |
927 | buf->length = GO7007_BUF_SIZE; | |
928 | buf->reserved = gobuf->modet_active; | |
929 | ||
fd9a40da | 930 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
931 | return 0; |
932 | ||
933 | unlock_and_return: | |
fd9a40da | 934 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
935 | return retval; |
936 | } | |
937 | ||
938 | static int vidioc_streamon(struct file *file, void *priv, | |
939 | enum v4l2_buf_type type) | |
940 | { | |
941 | struct go7007_file *gofh = priv; | |
942 | struct go7007 *go = gofh->go; | |
943 | int retval = 0; | |
944 | ||
945 | if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
946 | return -EINVAL; | |
947 | ||
fd9a40da MCC |
948 | mutex_lock(&gofh->lock); |
949 | mutex_lock(&go->hw_lock); | |
65f9f619 MCC |
950 | |
951 | if (!go->streaming) { | |
952 | go->streaming = 1; | |
953 | go->next_seq = 0; | |
954 | go->active_buf = NULL; | |
955 | if (go7007_start_encoder(go) < 0) | |
956 | retval = -EIO; | |
957 | else | |
958 | retval = 0; | |
866b8695 | 959 | } |
fd9a40da MCC |
960 | mutex_unlock(&go->hw_lock); |
961 | mutex_unlock(&gofh->lock); | |
866b8695 | 962 | |
65f9f619 MCC |
963 | return retval; |
964 | } | |
965 | ||
966 | static int vidioc_streamoff(struct file *file, void *priv, | |
967 | enum v4l2_buf_type type) | |
968 | { | |
969 | struct go7007_file *gofh = priv; | |
970 | struct go7007 *go = gofh->go; | |
971 | ||
972 | if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
973 | return -EINVAL; | |
fd9a40da | 974 | mutex_lock(&gofh->lock); |
65f9f619 | 975 | go7007_streamoff(go); |
fd9a40da | 976 | mutex_unlock(&gofh->lock); |
65f9f619 MCC |
977 | |
978 | return 0; | |
979 | } | |
980 | ||
981 | static int vidioc_queryctrl(struct file *file, void *priv, | |
982 | struct v4l2_queryctrl *query) | |
983 | { | |
f4135b69 | 984 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
fa3c39bd | 985 | int id = query->id; |
65f9f619 | 986 | |
fa3c39bd PE |
987 | if (0 == call_all(&go->v4l2_dev, core, queryctrl, query)) |
988 | return 0; | |
65f9f619 | 989 | |
fa3c39bd PE |
990 | query->id = id; |
991 | return mpeg_query_ctrl(query); | |
65f9f619 MCC |
992 | } |
993 | ||
994 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
995 | struct v4l2_control *ctrl) | |
996 | { | |
f4135b69 | 997 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 | 998 | |
fa3c39bd PE |
999 | if (0 == call_all(&go->v4l2_dev, core, g_ctrl, ctrl)) |
1000 | return 0; | |
65f9f619 | 1001 | |
fa3c39bd | 1002 | return mpeg_g_ctrl(ctrl, go); |
65f9f619 MCC |
1003 | } |
1004 | ||
1005 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1006 | struct v4l2_control *ctrl) | |
1007 | { | |
f4135b69 | 1008 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 | 1009 | |
fa3c39bd PE |
1010 | if (0 == call_all(&go->v4l2_dev, core, s_ctrl, ctrl)) |
1011 | return 0; | |
65f9f619 | 1012 | |
fa3c39bd | 1013 | return mpeg_s_ctrl(ctrl, go); |
65f9f619 MCC |
1014 | } |
1015 | ||
1016 | static int vidioc_g_parm(struct file *filp, void *priv, | |
1017 | struct v4l2_streamparm *parm) | |
1018 | { | |
f4135b69 | 1019 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1020 | struct v4l2_fract timeperframe = { |
1021 | .numerator = 1001 * go->fps_scale, | |
1022 | .denominator = go->sensor_framerate, | |
1023 | }; | |
1024 | ||
1025 | if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1026 | return -EINVAL; | |
1027 | ||
1028 | parm->parm.capture.capability |= V4L2_CAP_TIMEPERFRAME; | |
1029 | parm->parm.capture.timeperframe = timeperframe; | |
1030 | ||
1031 | return 0; | |
1032 | } | |
1033 | ||
1034 | static int vidioc_s_parm(struct file *filp, void *priv, | |
1035 | struct v4l2_streamparm *parm) | |
1036 | { | |
f4135b69 | 1037 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1038 | unsigned int n, d; |
1039 | ||
1040 | if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1041 | return -EINVAL; | |
1042 | if (parm->parm.capture.capturemode != 0) | |
1043 | return -EINVAL; | |
1044 | ||
1045 | n = go->sensor_framerate * | |
1046 | parm->parm.capture.timeperframe.numerator; | |
1047 | d = 1001 * parm->parm.capture.timeperframe.denominator; | |
1048 | if (n != 0 && d != 0 && n > d) | |
1049 | go->fps_scale = (n + d/2) / d; | |
1050 | else | |
1051 | go->fps_scale = 1; | |
1052 | ||
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | /* VIDIOC_ENUMSTD on go7007 were used for enumberating the supported fps and | |
1057 | its resolution, when the device is not connected to TV. | |
1058 | This were an API abuse, probably used by the lack of specific IOCTL's to | |
1059 | enumberate it, by the time the driver were written. | |
1060 | ||
1061 | However, since kernel 2.6.19, two new ioctls (VIDIOC_ENUM_FRAMEINTERVALS | |
1062 | and VIDIOC_ENUM_FRAMESIZES) were added for this purpose. | |
1063 | ||
1064 | The two functions bellow implements the newer ioctls | |
1065 | */ | |
65f9f619 MCC |
1066 | static int vidioc_enum_framesizes(struct file *filp, void *priv, |
1067 | struct v4l2_frmsizeenum *fsize) | |
1068 | { | |
f4135b69 | 1069 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1070 | |
1071 | /* Return -EINVAL, if it is a TV board */ | |
1072 | if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) || | |
1073 | (go->board_info->sensor_flags & GO7007_SENSOR_TV)) | |
1074 | return -EINVAL; | |
1075 | ||
1076 | if (fsize->index > 0) | |
1077 | return -EINVAL; | |
1078 | ||
1079 | fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; | |
1080 | fsize->discrete.width = go->board_info->sensor_width; | |
1081 | fsize->discrete.height = go->board_info->sensor_height; | |
1082 | ||
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | static int vidioc_enum_frameintervals(struct file *filp, void *priv, | |
1087 | struct v4l2_frmivalenum *fival) | |
1088 | { | |
f4135b69 | 1089 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1090 | |
1091 | /* Return -EINVAL, if it is a TV board */ | |
1092 | if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) || | |
1093 | (go->board_info->sensor_flags & GO7007_SENSOR_TV)) | |
1094 | return -EINVAL; | |
1095 | ||
1096 | if (fival->index > 0) | |
1097 | return -EINVAL; | |
1098 | ||
1099 | fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; | |
1100 | fival->discrete.numerator = 1001; | |
1101 | fival->discrete.denominator = go->board_info->sensor_framerate; | |
1102 | ||
1103 | return 0; | |
1104 | } | |
1105 | ||
bb871652 PE |
1106 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std) |
1107 | { | |
1108 | struct go7007 *go = ((struct go7007_file *) priv)->go; | |
1109 | ||
1110 | switch (go->standard) { | |
1111 | case GO7007_STD_NTSC: | |
1112 | *std = V4L2_STD_NTSC; | |
1113 | break; | |
1114 | case GO7007_STD_PAL: | |
1115 | *std = V4L2_STD_PAL; | |
1116 | break; | |
1117 | default: | |
1118 | return -EINVAL; | |
1119 | } | |
1120 | ||
1121 | return 0; | |
1122 | } | |
1123 | ||
65f9f619 MCC |
1124 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *std) |
1125 | { | |
f4135b69 | 1126 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1127 | |
1128 | if (go->streaming) | |
1129 | return -EBUSY; | |
1130 | ||
fa3c39bd | 1131 | if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV) && *std != 0) |
65f9f619 MCC |
1132 | return -EINVAL; |
1133 | ||
1134 | if (*std == 0) | |
1135 | return -EINVAL; | |
1136 | ||
1137 | if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && | |
1138 | go->input == go->board_info->num_inputs - 1) { | |
1139 | if (!go->i2c_adapter_online) | |
1140 | return -EIO; | |
fa3c39bd | 1141 | if (call_all(&go->v4l2_dev, core, s_std, *std) < 0) |
866b8695 | 1142 | return -EINVAL; |
866b8695 | 1143 | } |
866b8695 | 1144 | |
65f9f619 MCC |
1145 | if (*std & V4L2_STD_NTSC) { |
1146 | go->standard = GO7007_STD_NTSC; | |
1147 | go->sensor_framerate = 30000; | |
1148 | } else if (*std & V4L2_STD_PAL) { | |
1149 | go->standard = GO7007_STD_PAL; | |
1150 | go->sensor_framerate = 25025; | |
1151 | } else if (*std & V4L2_STD_SECAM) { | |
1152 | go->standard = GO7007_STD_PAL; | |
1153 | go->sensor_framerate = 25025; | |
1154 | } else | |
1155 | return -EINVAL; | |
866b8695 | 1156 | |
fa3c39bd | 1157 | call_all(&go->v4l2_dev, core, s_std, *std); |
65f9f619 | 1158 | set_capture_size(go, NULL, 0); |
866b8695 | 1159 | |
65f9f619 MCC |
1160 | return 0; |
1161 | } | |
d73f822c | 1162 | |
bb871652 PE |
1163 | static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std) |
1164 | { | |
1165 | struct go7007 *go = ((struct go7007_file *) priv)->go; | |
866b8695 | 1166 | |
bb871652 PE |
1167 | if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && |
1168 | go->input == go->board_info->num_inputs - 1) { | |
1169 | if (!go->i2c_adapter_online) | |
1170 | return -EIO; | |
fa3c39bd | 1171 | return call_all(&go->v4l2_dev, video, querystd, std); |
bb871652 PE |
1172 | } else if (go->board_info->sensor_flags & GO7007_SENSOR_TV) |
1173 | *std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM; | |
1174 | else | |
1175 | *std = 0; | |
1176 | ||
1177 | return 0; | |
1178 | } | |
866b8695 | 1179 | |
65f9f619 MCC |
1180 | static int vidioc_enum_input(struct file *file, void *priv, |
1181 | struct v4l2_input *inp) | |
1182 | { | |
f4135b69 | 1183 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
866b8695 | 1184 | |
65f9f619 MCC |
1185 | if (inp->index >= go->board_info->num_inputs) |
1186 | return -EINVAL; | |
866b8695 | 1187 | |
65f9f619 MCC |
1188 | strncpy(inp->name, go->board_info->inputs[inp->index].name, |
1189 | sizeof(inp->name)); | |
866b8695 | 1190 | |
65f9f619 MCC |
1191 | /* If this board has a tuner, it will be the last input */ |
1192 | if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && | |
1193 | inp->index == go->board_info->num_inputs - 1) | |
1194 | inp->type = V4L2_INPUT_TYPE_TUNER; | |
1195 | else | |
1196 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
866b8695 | 1197 | |
65f9f619 MCC |
1198 | inp->audioset = 0; |
1199 | inp->tuner = 0; | |
1200 | if (go->board_info->sensor_flags & GO7007_SENSOR_TV) | |
1201 | inp->std = V4L2_STD_NTSC | V4L2_STD_PAL | | |
1202 | V4L2_STD_SECAM; | |
1203 | else | |
1204 | inp->std = 0; | |
866b8695 | 1205 | |
65f9f619 MCC |
1206 | return 0; |
1207 | } | |
866b8695 | 1208 | |
866b8695 | 1209 | |
65f9f619 MCC |
1210 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *input) |
1211 | { | |
f4135b69 | 1212 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
866b8695 | 1213 | |
65f9f619 | 1214 | *input = go->input; |
866b8695 | 1215 | |
65f9f619 MCC |
1216 | return 0; |
1217 | } | |
1218 | ||
1219 | static int vidioc_s_input(struct file *file, void *priv, unsigned int input) | |
1220 | { | |
f4135b69 | 1221 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1222 | |
1223 | if (input >= go->board_info->num_inputs) | |
1224 | return -EINVAL; | |
1225 | if (go->streaming) | |
1226 | return -EBUSY; | |
1227 | ||
1228 | go->input = input; | |
866b8695 | 1229 | |
fa3c39bd | 1230 | return call_all(&go->v4l2_dev, video, s_routing, input, 0, 0); |
65f9f619 MCC |
1231 | } |
1232 | ||
1233 | static int vidioc_g_tuner(struct file *file, void *priv, | |
1234 | struct v4l2_tuner *t) | |
1235 | { | |
f4135b69 | 1236 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1237 | |
1238 | if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) | |
1239 | return -EINVAL; | |
1240 | if (t->index != 0) | |
1241 | return -EINVAL; | |
1242 | if (!go->i2c_adapter_online) | |
1243 | return -EIO; | |
1244 | ||
fa3c39bd | 1245 | return call_all(&go->v4l2_dev, tuner, g_tuner, t); |
65f9f619 MCC |
1246 | } |
1247 | ||
1248 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1249 | struct v4l2_tuner *t) | |
1250 | { | |
f4135b69 | 1251 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1252 | |
1253 | if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) | |
1254 | return -EINVAL; | |
1255 | if (t->index != 0) | |
1256 | return -EINVAL; | |
1257 | if (!go->i2c_adapter_online) | |
1258 | return -EIO; | |
1259 | ||
1260 | switch (go->board_id) { | |
1261 | case GO7007_BOARDID_PX_TV402U_NA: | |
1262 | case GO7007_BOARDID_PX_TV402U_JP: | |
1263 | /* No selectable options currently */ | |
1264 | if (t->audmode != V4L2_TUNER_MODE_STEREO) | |
866b8695 | 1265 | return -EINVAL; |
65f9f619 | 1266 | break; |
866b8695 | 1267 | } |
866b8695 | 1268 | |
fa3c39bd | 1269 | return call_all(&go->v4l2_dev, tuner, s_tuner, t); |
65f9f619 MCC |
1270 | } |
1271 | ||
1272 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1273 | struct v4l2_frequency *f) | |
1274 | { | |
f4135b69 | 1275 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1276 | |
1277 | if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) | |
1278 | return -EINVAL; | |
1279 | if (!go->i2c_adapter_online) | |
1280 | return -EIO; | |
1281 | ||
1282 | f->type = V4L2_TUNER_ANALOG_TV; | |
fa3c39bd PE |
1283 | |
1284 | return call_all(&go->v4l2_dev, tuner, g_frequency, f); | |
65f9f619 MCC |
1285 | } |
1286 | ||
1287 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1288 | struct v4l2_frequency *f) | |
1289 | { | |
f4135b69 | 1290 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1291 | |
1292 | if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) | |
1293 | return -EINVAL; | |
1294 | if (!go->i2c_adapter_online) | |
1295 | return -EIO; | |
1296 | ||
fa3c39bd | 1297 | return call_all(&go->v4l2_dev, tuner, s_frequency, f); |
65f9f619 MCC |
1298 | } |
1299 | ||
1300 | static int vidioc_cropcap(struct file *file, void *priv, | |
1301 | struct v4l2_cropcap *cropcap) | |
1302 | { | |
f4135b69 | 1303 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1304 | |
1305 | if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1306 | return -EINVAL; | |
1307 | ||
1308 | /* These specify the raw input of the sensor */ | |
1309 | switch (go->standard) { | |
1310 | case GO7007_STD_NTSC: | |
1311 | cropcap->bounds.top = 0; | |
1312 | cropcap->bounds.left = 0; | |
1313 | cropcap->bounds.width = 720; | |
1314 | cropcap->bounds.height = 480; | |
1315 | cropcap->defrect.top = 0; | |
1316 | cropcap->defrect.left = 0; | |
1317 | cropcap->defrect.width = 720; | |
1318 | cropcap->defrect.height = 480; | |
1319 | break; | |
1320 | case GO7007_STD_PAL: | |
1321 | cropcap->bounds.top = 0; | |
1322 | cropcap->bounds.left = 0; | |
1323 | cropcap->bounds.width = 720; | |
1324 | cropcap->bounds.height = 576; | |
1325 | cropcap->defrect.top = 0; | |
1326 | cropcap->defrect.left = 0; | |
1327 | cropcap->defrect.width = 720; | |
1328 | cropcap->defrect.height = 576; | |
1329 | break; | |
1330 | case GO7007_STD_OTHER: | |
1331 | cropcap->bounds.top = 0; | |
1332 | cropcap->bounds.left = 0; | |
1333 | cropcap->bounds.width = go->board_info->sensor_width; | |
1334 | cropcap->bounds.height = go->board_info->sensor_height; | |
1335 | cropcap->defrect.top = 0; | |
1336 | cropcap->defrect.left = 0; | |
1337 | cropcap->defrect.width = go->board_info->sensor_width; | |
1338 | cropcap->defrect.height = go->board_info->sensor_height; | |
1339 | break; | |
866b8695 | 1340 | } |
866b8695 | 1341 | |
65f9f619 MCC |
1342 | return 0; |
1343 | } | |
1344 | ||
1345 | static int vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) | |
1346 | { | |
f4135b69 | 1347 | struct go7007 *go = ((struct go7007_file *) priv)->go; |
65f9f619 MCC |
1348 | |
1349 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1350 | return -EINVAL; | |
1351 | ||
1352 | crop->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1353 | ||
1354 | /* These specify the raw input of the sensor */ | |
1355 | switch (go->standard) { | |
1356 | case GO7007_STD_NTSC: | |
1357 | crop->c.top = 0; | |
1358 | crop->c.left = 0; | |
1359 | crop->c.width = 720; | |
1360 | crop->c.height = 480; | |
1361 | break; | |
1362 | case GO7007_STD_PAL: | |
1363 | crop->c.top = 0; | |
1364 | crop->c.left = 0; | |
1365 | crop->c.width = 720; | |
1366 | crop->c.height = 576; | |
1367 | break; | |
1368 | case GO7007_STD_OTHER: | |
1369 | crop->c.top = 0; | |
1370 | crop->c.left = 0; | |
1371 | crop->c.width = go->board_info->sensor_width; | |
1372 | crop->c.height = go->board_info->sensor_height; | |
1373 | break; | |
866b8695 | 1374 | } |
65f9f619 MCC |
1375 | |
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | /* FIXME: vidioc_s_crop is not really implemented!!! | |
1380 | */ | |
1381 | static int vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop) | |
1382 | { | |
1383 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1384 | return -EINVAL; | |
1385 | ||
1386 | return 0; | |
1387 | } | |
1388 | ||
1389 | static int vidioc_g_jpegcomp(struct file *file, void *priv, | |
1390 | struct v4l2_jpegcompression *params) | |
1391 | { | |
1392 | memset(params, 0, sizeof(*params)); | |
1393 | params->quality = 50; /* ?? */ | |
1394 | params->jpeg_markers = V4L2_JPEG_MARKER_DHT | | |
1395 | V4L2_JPEG_MARKER_DQT; | |
1396 | ||
1397 | return 0; | |
1398 | } | |
1399 | ||
1400 | static int vidioc_s_jpegcomp(struct file *file, void *priv, | |
1401 | struct v4l2_jpegcompression *params) | |
1402 | { | |
1403 | if (params->quality != 50 || | |
1404 | params->jpeg_markers != (V4L2_JPEG_MARKER_DHT | | |
1405 | V4L2_JPEG_MARKER_DQT)) | |
1406 | return -EINVAL; | |
1407 | ||
1408 | return 0; | |
1409 | } | |
1410 | ||
1411 | /* FIXME: | |
1412 | Those ioctls are private, and not needed, since several standard | |
1413 | extended controls already provide streaming control. | |
1414 | So, those ioctls should be converted into vidioc_g_ext_ctrls() | |
1415 | and vidioc_s_ext_ctrls() | |
1416 | */ | |
1417 | ||
1418 | #if 0 | |
866b8695 GKH |
1419 | /* Temporary ioctls for controlling compression characteristics */ |
1420 | case GO7007IOC_S_BITRATE: | |
1421 | { | |
1422 | int *bitrate = arg; | |
1423 | ||
1424 | if (go->streaming) | |
1425 | return -EINVAL; | |
1426 | /* Upper bound is kind of arbitrary here */ | |
1427 | if (*bitrate < 64000 || *bitrate > 10000000) | |
1428 | return -EINVAL; | |
1429 | go->bitrate = *bitrate; | |
1430 | return 0; | |
1431 | } | |
1432 | case GO7007IOC_G_BITRATE: | |
1433 | { | |
1434 | int *bitrate = arg; | |
1435 | ||
1436 | *bitrate = go->bitrate; | |
1437 | return 0; | |
1438 | } | |
1439 | case GO7007IOC_S_COMP_PARAMS: | |
1440 | { | |
1441 | struct go7007_comp_params *comp = arg; | |
1442 | ||
1443 | if (go->format == GO7007_FORMAT_MJPEG) | |
1444 | return -EINVAL; | |
1445 | if (comp->gop_size > 0) | |
1446 | go->gop_size = comp->gop_size; | |
1447 | else | |
1448 | go->gop_size = go->sensor_framerate / 1000; | |
1449 | if (go->gop_size != 15) | |
1450 | go->dvd_mode = 0; | |
1451 | /*go->ipb = comp->max_b_frames > 0;*/ /* completely untested */ | |
1452 | if (go->board_info->sensor_flags & GO7007_SENSOR_TV) { | |
1453 | switch (comp->aspect_ratio) { | |
1454 | case GO7007_ASPECT_RATIO_4_3_NTSC: | |
1455 | case GO7007_ASPECT_RATIO_4_3_PAL: | |
1456 | go->aspect_ratio = GO7007_RATIO_4_3; | |
1457 | break; | |
1458 | case GO7007_ASPECT_RATIO_16_9_NTSC: | |
1459 | case GO7007_ASPECT_RATIO_16_9_PAL: | |
1460 | go->aspect_ratio = GO7007_RATIO_16_9; | |
1461 | break; | |
1462 | default: | |
1463 | go->aspect_ratio = GO7007_RATIO_1_1; | |
1464 | break; | |
1465 | } | |
1466 | } | |
1467 | if (comp->flags & GO7007_COMP_OMIT_SEQ_HEADER) { | |
1468 | go->dvd_mode = 0; | |
1469 | go->seq_header_enable = 0; | |
1470 | } else { | |
1471 | go->seq_header_enable = 1; | |
1472 | } | |
1473 | /* fall-through */ | |
1474 | } | |
1475 | case GO7007IOC_G_COMP_PARAMS: | |
1476 | { | |
1477 | struct go7007_comp_params *comp = arg; | |
1478 | ||
1479 | if (go->format == GO7007_FORMAT_MJPEG) | |
1480 | return -EINVAL; | |
1481 | memset(comp, 0, sizeof(*comp)); | |
1482 | comp->gop_size = go->gop_size; | |
1483 | comp->max_b_frames = go->ipb ? 2 : 0; | |
1484 | switch (go->aspect_ratio) { | |
1485 | case GO7007_RATIO_4_3: | |
1486 | if (go->standard == GO7007_STD_NTSC) | |
1487 | comp->aspect_ratio = | |
1488 | GO7007_ASPECT_RATIO_4_3_NTSC; | |
1489 | else | |
1490 | comp->aspect_ratio = | |
1491 | GO7007_ASPECT_RATIO_4_3_PAL; | |
1492 | break; | |
1493 | case GO7007_RATIO_16_9: | |
1494 | if (go->standard == GO7007_STD_NTSC) | |
1495 | comp->aspect_ratio = | |
1496 | GO7007_ASPECT_RATIO_16_9_NTSC; | |
1497 | else | |
1498 | comp->aspect_ratio = | |
1499 | GO7007_ASPECT_RATIO_16_9_PAL; | |
1500 | break; | |
1501 | default: | |
1502 | comp->aspect_ratio = GO7007_ASPECT_RATIO_1_1; | |
1503 | break; | |
1504 | } | |
1505 | if (go->closed_gop) | |
1506 | comp->flags |= GO7007_COMP_CLOSED_GOP; | |
1507 | if (!go->seq_header_enable) | |
1508 | comp->flags |= GO7007_COMP_OMIT_SEQ_HEADER; | |
1509 | return 0; | |
1510 | } | |
1511 | case GO7007IOC_S_MPEG_PARAMS: | |
1512 | { | |
1513 | struct go7007_mpeg_params *mpeg = arg; | |
1514 | ||
1515 | if (go->format != GO7007_FORMAT_MPEG1 && | |
1516 | go->format != GO7007_FORMAT_MPEG2 && | |
1517 | go->format != GO7007_FORMAT_MPEG4) | |
1518 | return -EINVAL; | |
1519 | ||
1520 | if (mpeg->flags & GO7007_MPEG_FORCE_DVD_MODE) { | |
1521 | go->format = GO7007_FORMAT_MPEG2; | |
1522 | go->bitrate = 9800000; | |
1523 | go->gop_size = 15; | |
1524 | go->pali = 0x48; | |
1525 | go->closed_gop = 1; | |
1526 | go->repeat_seqhead = 0; | |
1527 | go->seq_header_enable = 1; | |
1528 | go->gop_header_enable = 1; | |
1529 | go->dvd_mode = 1; | |
1530 | } else { | |
1531 | switch (mpeg->mpeg_video_standard) { | |
1532 | case GO7007_MPEG_VIDEO_MPEG1: | |
1533 | go->format = GO7007_FORMAT_MPEG1; | |
1534 | go->pali = 0; | |
1535 | break; | |
1536 | case GO7007_MPEG_VIDEO_MPEG2: | |
1537 | go->format = GO7007_FORMAT_MPEG2; | |
1538 | if (mpeg->pali >> 24 == 2) | |
1539 | go->pali = mpeg->pali & 0xff; | |
1540 | else | |
1541 | go->pali = 0x48; | |
1542 | break; | |
1543 | case GO7007_MPEG_VIDEO_MPEG4: | |
1544 | go->format = GO7007_FORMAT_MPEG4; | |
1545 | if (mpeg->pali >> 24 == 4) | |
1546 | go->pali = mpeg->pali & 0xff; | |
1547 | else | |
1548 | go->pali = 0xf5; | |
1549 | break; | |
1550 | default: | |
1551 | return -EINVAL; | |
1552 | } | |
1553 | go->gop_header_enable = | |
1554 | mpeg->flags & GO7007_MPEG_OMIT_GOP_HEADER | |
1555 | ? 0 : 1; | |
1556 | if (mpeg->flags & GO7007_MPEG_REPEAT_SEQHEADER) | |
1557 | go->repeat_seqhead = 1; | |
1558 | else | |
1559 | go->repeat_seqhead = 0; | |
1560 | go->dvd_mode = 0; | |
1561 | } | |
1562 | /* fall-through */ | |
1563 | } | |
1564 | case GO7007IOC_G_MPEG_PARAMS: | |
1565 | { | |
1566 | struct go7007_mpeg_params *mpeg = arg; | |
1567 | ||
1568 | memset(mpeg, 0, sizeof(*mpeg)); | |
1569 | switch (go->format) { | |
1570 | case GO7007_FORMAT_MPEG1: | |
1571 | mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG1; | |
1572 | mpeg->pali = 0; | |
1573 | break; | |
1574 | case GO7007_FORMAT_MPEG2: | |
1575 | mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG2; | |
1576 | mpeg->pali = GO7007_MPEG_PROFILE(2, go->pali); | |
1577 | break; | |
1578 | case GO7007_FORMAT_MPEG4: | |
1579 | mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG4; | |
1580 | mpeg->pali = GO7007_MPEG_PROFILE(4, go->pali); | |
1581 | break; | |
1582 | default: | |
1583 | return -EINVAL; | |
1584 | } | |
1585 | if (!go->gop_header_enable) | |
1586 | mpeg->flags |= GO7007_MPEG_OMIT_GOP_HEADER; | |
1587 | if (go->repeat_seqhead) | |
1588 | mpeg->flags |= GO7007_MPEG_REPEAT_SEQHEADER; | |
1589 | if (go->dvd_mode) | |
1590 | mpeg->flags |= GO7007_MPEG_FORCE_DVD_MODE; | |
1591 | return 0; | |
1592 | } | |
1593 | case GO7007IOC_S_MD_PARAMS: | |
1594 | { | |
1595 | struct go7007_md_params *mdp = arg; | |
1596 | ||
1597 | if (mdp->region > 3) | |
1598 | return -EINVAL; | |
1599 | if (mdp->trigger > 0) { | |
1600 | go->modet[mdp->region].pixel_threshold = | |
1601 | mdp->pixel_threshold >> 1; | |
1602 | go->modet[mdp->region].motion_threshold = | |
1603 | mdp->motion_threshold >> 1; | |
1604 | go->modet[mdp->region].mb_threshold = | |
1605 | mdp->trigger >> 1; | |
1606 | go->modet[mdp->region].enable = 1; | |
1607 | } else | |
1608 | go->modet[mdp->region].enable = 0; | |
1609 | /* fall-through */ | |
1610 | } | |
1611 | case GO7007IOC_G_MD_PARAMS: | |
1612 | { | |
1613 | struct go7007_md_params *mdp = arg; | |
1614 | int region = mdp->region; | |
1615 | ||
1616 | if (mdp->region > 3) | |
1617 | return -EINVAL; | |
1618 | memset(mdp, 0, sizeof(struct go7007_md_params)); | |
1619 | mdp->region = region; | |
1620 | if (!go->modet[region].enable) | |
1621 | return 0; | |
1622 | mdp->pixel_threshold = | |
1623 | (go->modet[region].pixel_threshold << 1) + 1; | |
1624 | mdp->motion_threshold = | |
1625 | (go->modet[region].motion_threshold << 1) + 1; | |
1626 | mdp->trigger = | |
1627 | (go->modet[region].mb_threshold << 1) + 1; | |
1628 | return 0; | |
1629 | } | |
1630 | case GO7007IOC_S_MD_REGION: | |
1631 | { | |
1632 | struct go7007_md_region *region = arg; | |
1633 | ||
1634 | if (region->region < 1 || region->region > 3) | |
1635 | return -EINVAL; | |
1636 | return clip_to_modet_map(go, region->region, region->clips); | |
1637 | } | |
65f9f619 | 1638 | #endif |
866b8695 GKH |
1639 | |
1640 | static ssize_t go7007_read(struct file *file, char __user *data, | |
1641 | size_t count, loff_t *ppos) | |
1642 | { | |
1643 | return -EINVAL; | |
1644 | } | |
1645 | ||
1646 | static void go7007_vm_open(struct vm_area_struct *vma) | |
1647 | { | |
1648 | struct go7007_buffer *gobuf = vma->vm_private_data; | |
1649 | ||
1650 | ++gobuf->mapped; | |
1651 | } | |
1652 | ||
1653 | static void go7007_vm_close(struct vm_area_struct *vma) | |
1654 | { | |
1655 | struct go7007_buffer *gobuf = vma->vm_private_data; | |
1656 | unsigned long flags; | |
1657 | ||
1658 | if (--gobuf->mapped == 0) { | |
1659 | spin_lock_irqsave(&gobuf->go->spinlock, flags); | |
1660 | deactivate_buffer(gobuf); | |
1661 | spin_unlock_irqrestore(&gobuf->go->spinlock, flags); | |
1662 | } | |
1663 | } | |
1664 | ||
1665 | /* Copied from videobuf-dma-sg.c */ | |
1666 | static int go7007_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) | |
1667 | { | |
1668 | struct page *page; | |
1669 | ||
1670 | page = alloc_page(GFP_USER | __GFP_DMA32); | |
1671 | if (!page) | |
1672 | return VM_FAULT_OOM; | |
c0cd5010 | 1673 | clear_user_highpage(page, (unsigned long)vmf->virtual_address); |
866b8695 GKH |
1674 | vmf->page = page; |
1675 | return 0; | |
1676 | } | |
1677 | ||
1678 | static struct vm_operations_struct go7007_vm_ops = { | |
1679 | .open = go7007_vm_open, | |
1680 | .close = go7007_vm_close, | |
1681 | .fault = go7007_vm_fault, | |
1682 | }; | |
1683 | ||
1684 | static int go7007_mmap(struct file *file, struct vm_area_struct *vma) | |
1685 | { | |
1686 | struct go7007_file *gofh = file->private_data; | |
1687 | unsigned int index; | |
1688 | ||
1689 | if (gofh->go->status != STATUS_ONLINE) | |
1690 | return -EIO; | |
1691 | if (!(vma->vm_flags & VM_SHARED)) | |
1692 | return -EINVAL; /* only support VM_SHARED mapping */ | |
1693 | if (vma->vm_end - vma->vm_start != GO7007_BUF_SIZE) | |
1694 | return -EINVAL; /* must map exactly one full buffer */ | |
fd9a40da | 1695 | mutex_lock(&gofh->lock); |
866b8695 GKH |
1696 | index = vma->vm_pgoff / GO7007_BUF_PAGES; |
1697 | if (index >= gofh->buf_count) { | |
fd9a40da | 1698 | mutex_unlock(&gofh->lock); |
866b8695 GKH |
1699 | return -EINVAL; /* trying to map beyond requested buffers */ |
1700 | } | |
1701 | if (index * GO7007_BUF_PAGES != vma->vm_pgoff) { | |
fd9a40da | 1702 | mutex_unlock(&gofh->lock); |
866b8695 GKH |
1703 | return -EINVAL; /* offset is not aligned on buffer boundary */ |
1704 | } | |
1705 | if (gofh->bufs[index].mapped > 0) { | |
fd9a40da | 1706 | mutex_unlock(&gofh->lock); |
866b8695 GKH |
1707 | return -EBUSY; |
1708 | } | |
1709 | gofh->bufs[index].mapped = 1; | |
1710 | gofh->bufs[index].user_addr = vma->vm_start; | |
1711 | vma->vm_ops = &go7007_vm_ops; | |
1712 | vma->vm_flags |= VM_DONTEXPAND; | |
1713 | vma->vm_flags &= ~VM_IO; | |
1714 | vma->vm_private_data = &gofh->bufs[index]; | |
fd9a40da | 1715 | mutex_unlock(&gofh->lock); |
866b8695 GKH |
1716 | return 0; |
1717 | } | |
1718 | ||
1719 | static unsigned int go7007_poll(struct file *file, poll_table *wait) | |
1720 | { | |
1721 | struct go7007_file *gofh = file->private_data; | |
1722 | struct go7007_buffer *gobuf; | |
1723 | ||
1724 | if (list_empty(&gofh->go->stream)) | |
1725 | return POLLERR; | |
1726 | gobuf = list_entry(gofh->go->stream.next, struct go7007_buffer, stream); | |
1727 | poll_wait(file, &gofh->go->frame_waitq, wait); | |
1728 | if (gobuf->state == BUF_STATE_DONE) | |
1729 | return POLLIN | POLLRDNORM; | |
1730 | return 0; | |
1731 | } | |
1732 | ||
1733 | static void go7007_vfl_release(struct video_device *vfd) | |
1734 | { | |
1735 | struct go7007 *go = video_get_drvdata(vfd); | |
1736 | ||
1737 | video_device_release(vfd); | |
1738 | if (--go->ref_count == 0) | |
1739 | kfree(go); | |
1740 | } | |
1741 | ||
60572c0d | 1742 | static struct v4l2_file_operations go7007_fops = { |
866b8695 GKH |
1743 | .owner = THIS_MODULE, |
1744 | .open = go7007_open, | |
1745 | .release = go7007_release, | |
65f9f619 | 1746 | .ioctl = video_ioctl2, |
866b8695 GKH |
1747 | .read = go7007_read, |
1748 | .mmap = go7007_mmap, | |
1749 | .poll = go7007_poll, | |
1750 | }; | |
1751 | ||
65f9f619 MCC |
1752 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1753 | .vidioc_querycap = vidioc_querycap, | |
1754 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1755 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1756 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1757 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1758 | .vidioc_reqbufs = vidioc_reqbufs, | |
1759 | .vidioc_querybuf = vidioc_querybuf, | |
1760 | .vidioc_qbuf = vidioc_qbuf, | |
1761 | .vidioc_dqbuf = vidioc_dqbuf, | |
bb871652 | 1762 | .vidioc_g_std = vidioc_g_std, |
65f9f619 | 1763 | .vidioc_s_std = vidioc_s_std, |
bb871652 | 1764 | .vidioc_querystd = vidioc_querystd, |
65f9f619 MCC |
1765 | .vidioc_enum_input = vidioc_enum_input, |
1766 | .vidioc_g_input = vidioc_g_input, | |
1767 | .vidioc_s_input = vidioc_s_input, | |
1768 | .vidioc_queryctrl = vidioc_queryctrl, | |
1769 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1770 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1771 | .vidioc_streamon = vidioc_streamon, | |
1772 | .vidioc_streamoff = vidioc_streamoff, | |
1773 | .vidioc_g_tuner = vidioc_g_tuner, | |
1774 | .vidioc_s_tuner = vidioc_s_tuner, | |
1775 | .vidioc_g_frequency = vidioc_g_frequency, | |
1776 | .vidioc_s_frequency = vidioc_s_frequency, | |
1777 | .vidioc_g_parm = vidioc_g_parm, | |
1778 | .vidioc_s_parm = vidioc_s_parm, | |
65f9f619 MCC |
1779 | .vidioc_enum_framesizes = vidioc_enum_framesizes, |
1780 | .vidioc_enum_frameintervals = vidioc_enum_frameintervals, | |
65f9f619 MCC |
1781 | .vidioc_cropcap = vidioc_cropcap, |
1782 | .vidioc_g_crop = vidioc_g_crop, | |
1783 | .vidioc_s_crop = vidioc_s_crop, | |
1784 | .vidioc_g_jpegcomp = vidioc_g_jpegcomp, | |
1785 | .vidioc_s_jpegcomp = vidioc_s_jpegcomp, | |
1786 | }; | |
1787 | ||
866b8695 GKH |
1788 | static struct video_device go7007_template = { |
1789 | .name = "go7007", | |
1790 | .fops = &go7007_fops, | |
866b8695 | 1791 | .release = go7007_vfl_release, |
65f9f619 MCC |
1792 | .ioctl_ops = &video_ioctl_ops, |
1793 | .tvnorms = V4L2_STD_ALL, | |
1794 | .current_norm = V4L2_STD_NTSC, | |
866b8695 GKH |
1795 | }; |
1796 | ||
1797 | int go7007_v4l2_init(struct go7007 *go) | |
1798 | { | |
1799 | int rv; | |
1800 | ||
1801 | go->video_dev = video_device_alloc(); | |
1802 | if (go->video_dev == NULL) | |
1803 | return -ENOMEM; | |
0b398f4f | 1804 | *go->video_dev = go7007_template; |
866b8695 GKH |
1805 | go->video_dev->parent = go->dev; |
1806 | rv = video_register_device(go->video_dev, VFL_TYPE_GRABBER, -1); | |
1807 | if (rv < 0) { | |
1808 | video_device_release(go->video_dev); | |
1809 | go->video_dev = NULL; | |
1810 | return rv; | |
1811 | } | |
0b398f4f PE |
1812 | rv = v4l2_device_register(go->dev, &go->v4l2_dev); |
1813 | if (rv < 0) { | |
1814 | video_device_release(go->video_dev); | |
1815 | go->video_dev = NULL; | |
1816 | return rv; | |
1817 | } | |
866b8695 GKH |
1818 | video_set_drvdata(go->video_dev, go); |
1819 | ++go->ref_count; | |
38c7c036 LP |
1820 | printk(KERN_INFO "%s: registered device %s [v4l2]\n", |
1821 | go->video_dev->name, video_device_node_name(go->video_dev)); | |
866b8695 GKH |
1822 | |
1823 | return 0; | |
1824 | } | |
1825 | ||
1826 | void go7007_v4l2_remove(struct go7007 *go) | |
1827 | { | |
1828 | unsigned long flags; | |
1829 | ||
fd9a40da | 1830 | mutex_lock(&go->hw_lock); |
866b8695 GKH |
1831 | if (go->streaming) { |
1832 | go->streaming = 0; | |
1833 | go7007_stream_stop(go); | |
1834 | spin_lock_irqsave(&go->spinlock, flags); | |
1835 | abort_queued(go); | |
1836 | spin_unlock_irqrestore(&go->spinlock, flags); | |
1837 | } | |
fd9a40da | 1838 | mutex_unlock(&go->hw_lock); |
866b8695 GKH |
1839 | if (go->video_dev) |
1840 | video_unregister_device(go->video_dev); | |
0b398f4f | 1841 | v4l2_device_unregister(&go->v4l2_dev); |
866b8695 | 1842 | } |