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Commit | Line | Data |
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9701dc94 | 1 | /* |
e28f49b0 | 2 | tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices |
9701dc94 MCC |
3 | |
4 | Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> | |
5 | ||
7c3f53ec ML |
6 | Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> |
7 | - Fixed module load/unload | |
8 | ||
9701dc94 MCC |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation version 2 | |
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 | #include <linux/module.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/errno.h> | |
25 | #include <linux/fs.h> | |
26 | #include <linux/kernel.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/mm.h> | |
29 | #include <linux/ioport.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/sched.h> | |
32 | #include <linux/random.h> | |
33 | #include <linux/version.h> | |
34 | #include <linux/usb.h> | |
35 | #include <linux/videodev2.h> | |
2a8145d4 | 36 | #include <media/v4l2-ioctl.h> |
9701dc94 MCC |
37 | #include <linux/interrupt.h> |
38 | #include <linux/kthread.h> | |
39 | #include <linux/highmem.h> | |
40 | #include <linux/freezer.h> | |
41 | ||
42 | #include "tm6000-regs.h" | |
43 | #include "tm6000.h" | |
44 | ||
45 | #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ | |
46 | ||
95a83824 ML |
47 | /* Limits minimum and default number of buffers */ |
48 | #define TM6000_MIN_BUF 4 | |
49 | #define TM6000_DEF_BUF 8 | |
50 | ||
5a4b55e2 | 51 | #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ |
ee1fc07c | 52 | |
9701dc94 MCC |
53 | /* Declare static vars that will be used as parameters */ |
54 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
55 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
56 | ||
9701dc94 MCC |
57 | /* Debug level */ |
58 | int tm6000_debug; | |
59 | ||
60 | /* supported controls */ | |
61 | static struct v4l2_queryctrl tm6000_qctrl[] = { | |
62 | { | |
63 | .id = V4L2_CID_BRIGHTNESS, | |
64 | .type = V4L2_CTRL_TYPE_INTEGER, | |
65 | .name = "Brightness", | |
66 | .minimum = 0, | |
67 | .maximum = 255, | |
68 | .step = 1, | |
69 | .default_value = 54, | |
70 | .flags = 0, | |
71 | }, { | |
72 | .id = V4L2_CID_CONTRAST, | |
73 | .type = V4L2_CTRL_TYPE_INTEGER, | |
74 | .name = "Contrast", | |
75 | .minimum = 0, | |
76 | .maximum = 255, | |
77 | .step = 0x1, | |
78 | .default_value = 119, | |
79 | .flags = 0, | |
80 | }, { | |
81 | .id = V4L2_CID_SATURATION, | |
82 | .type = V4L2_CTRL_TYPE_INTEGER, | |
83 | .name = "Saturation", | |
84 | .minimum = 0, | |
85 | .maximum = 255, | |
86 | .step = 0x1, | |
87 | .default_value = 112, | |
88 | .flags = 0, | |
89 | }, { | |
90 | .id = V4L2_CID_HUE, | |
91 | .type = V4L2_CTRL_TYPE_INTEGER, | |
92 | .name = "Hue", | |
93 | .minimum = -128, | |
94 | .maximum = 127, | |
95 | .step = 0x1, | |
c4acf48c | 96 | .default_value = 0, |
9701dc94 MCC |
97 | .flags = 0, |
98 | } | |
99 | }; | |
100 | ||
101 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; | |
102 | ||
103 | static struct tm6000_fmt format[] = { | |
104 | { | |
105 | .name = "4:2:2, packed, YVY2", | |
106 | .fourcc = V4L2_PIX_FMT_YUYV, | |
107 | .depth = 16, | |
c4acf48c | 108 | }, { |
9701dc94 MCC |
109 | .name = "4:2:2, packed, UYVY", |
110 | .fourcc = V4L2_PIX_FMT_UYVY, | |
111 | .depth = 16, | |
c4acf48c | 112 | }, { |
9701dc94 MCC |
113 | .name = "A/V + VBI mux packet", |
114 | .fourcc = V4L2_PIX_FMT_TM6000, | |
115 | .depth = 16, | |
116 | } | |
117 | }; | |
118 | ||
9701dc94 MCC |
119 | /* ------------------------------------------------------------------ |
120 | DMA and thread functions | |
121 | ------------------------------------------------------------------*/ | |
122 | ||
123 | #define norm_maxw(a) 720 | |
4475c044 | 124 | #define norm_maxh(a) 576 |
9701dc94 | 125 | |
9701dc94 MCC |
126 | #define norm_minw(a) norm_maxw(a) |
127 | #define norm_minh(a) norm_maxh(a) | |
128 | ||
129 | /* | |
130 | * video-buf generic routine to get the next available buffer | |
131 | */ | |
721f507b | 132 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
c4acf48c | 133 | struct tm6000_buffer **buf) |
9701dc94 | 134 | { |
c4acf48c | 135 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
721f507b | 136 | char *outp; |
9701dc94 MCC |
137 | |
138 | if (list_empty(&dma_q->active)) { | |
c4acf48c | 139 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
1f9305b7 | 140 | *buf = NULL; |
721f507b | 141 | return; |
9701dc94 MCC |
142 | } |
143 | ||
144 | *buf = list_entry(dma_q->active.next, | |
145 | struct tm6000_buffer, vb.queue); | |
146 | ||
721f507b MCC |
147 | if (!buf) |
148 | return; | |
149 | ||
150 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ | |
151 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
42238713 MCC |
152 | // if (outp) |
153 | // memset(outp, 0, (*buf)->vb.size); | |
721f507b MCC |
154 | |
155 | return; | |
9701dc94 MCC |
156 | } |
157 | ||
158 | /* | |
159 | * Announces that a buffer were filled and request the next | |
160 | */ | |
c4acf48c MCC |
161 | static inline void buffer_filled(struct tm6000_core *dev, |
162 | struct tm6000_dmaqueue *dma_q, | |
163 | struct tm6000_buffer *buf) | |
9701dc94 MCC |
164 | { |
165 | /* Advice that buffer was filled */ | |
c4acf48c | 166 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
47878f16 | 167 | buf->vb.state = VIDEOBUF_DONE; |
9701dc94 MCC |
168 | buf->vb.field_count++; |
169 | do_gettimeofday(&buf->vb.ts); | |
170 | ||
171 | list_del(&buf->vb.queue); | |
172 | wake_up(&buf->vb.done); | |
173 | } | |
174 | ||
c4acf48c MCC |
175 | const char *tm6000_msg_type[] = { |
176 | "unknown(0)", /* 0 */ | |
177 | "video", /* 1 */ | |
178 | "audio", /* 2 */ | |
179 | "vbi", /* 3 */ | |
180 | "pts", /* 4 */ | |
181 | "err", /* 5 */ | |
182 | "unknown(6)", /* 6 */ | |
183 | "unknown(7)", /* 7 */ | |
a228618c MCC |
184 | }; |
185 | ||
9701dc94 MCC |
186 | /* |
187 | * Identify the tm5600/6000 buffer header type and properly handles | |
188 | */ | |
c4acf48c | 189 | static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp, |
e2c9500d | 190 | u8 *out_p, struct tm6000_buffer **buf) |
9701dc94 MCC |
191 | { |
192 | struct tm6000_dmaqueue *dma_q = urb->context; | |
c4acf48c | 193 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
9701dc94 | 194 | u8 c; |
c4acf48c MCC |
195 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
196 | int rc = 0; | |
a228618c | 197 | /* FIXME: move to tm6000-isoc */ |
c4acf48c | 198 | static int last_line = -2, start_line = -2, last_field = -2; |
9701dc94 MCC |
199 | |
200 | /* FIXME: this is the hardcoded window size | |
201 | */ | |
c4acf48c | 202 | unsigned int linewidth = (*buf)->vb.width << 1; |
9701dc94 | 203 | |
ed0236af MCC |
204 | if (!dev->isoc_ctl.cmd) { |
205 | c = (header >> 24) & 0xff; | |
206 | ||
207 | /* split the header fields */ | |
0f9bdbc2 SR |
208 | size = ((header & 0x7e) << 1); |
209 | ||
210 | if (size > 0) | |
211 | size -= 4; | |
212 | ||
ed0236af MCC |
213 | block = (header >> 7) & 0xf; |
214 | field = (header >> 11) & 0x1; | |
215 | line = (header >> 12) & 0x1ff; | |
216 | cmd = (header >> 21) & 0x7; | |
217 | ||
218 | /* Validates header fields */ | |
219 | if(size > TM6000_URB_MSG_LEN) | |
220 | size = TM6000_URB_MSG_LEN; | |
204193d9 | 221 | |
ed0236af MCC |
222 | if (cmd == TM6000_URB_MSG_VIDEO) { |
223 | if ((block+1)*TM6000_URB_MSG_LEN>linewidth) | |
224 | cmd = TM6000_URB_MSG_ERR; | |
225 | ||
226 | /* FIXME: Mounts the image as field0+field1 | |
227 | * It should, instead, check if the user selected | |
228 | * entrelaced or non-entrelaced mode | |
229 | */ | |
3c7c5e9e SR |
230 | pos = ((line << 1) - field - 1) * linewidth + |
231 | block * TM6000_URB_MSG_LEN; | |
ed0236af MCC |
232 | |
233 | /* Don't allow to write out of the buffer */ | |
234 | if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) { | |
235 | dprintk(dev, V4L2_DEBUG_ISOC, | |
236 | "ERR: size=%d, num=%d, line=%d, " | |
237 | "field=%d\n", | |
238 | size, block, line, field); | |
239 | ||
240 | cmd = TM6000_URB_MSG_ERR; | |
241 | } | |
204193d9 | 242 | } else { |
ed0236af | 243 | pos=0; |
6eb5c8a6 | 244 | } |
ed0236af | 245 | |
6eb5c8a6 | 246 | /* Prints debug info */ |
ed0236af MCC |
247 | dprintk(dev, V4L2_DEBUG_ISOC, "size=%d, num=%d, " |
248 | " line=%d, field=%d\n", | |
249 | size, block, line, field); | |
e2c9500d | 250 | |
ed0236af MCC |
251 | if ((last_line!=line)&&(last_line+1!=line) && |
252 | (cmd != TM6000_URB_MSG_ERR) ) { | |
253 | if (cmd != TM6000_URB_MSG_VIDEO) { | |
254 | dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%d, " | |
255 | "size=%d, num=%d, line=%d, field=%d\n", | |
256 | cmd, size, block, line, field); | |
257 | } | |
258 | if (start_line<0) | |
259 | start_line=last_line; | |
260 | /* Prints debug info */ | |
261 | dprintk(dev, V4L2_DEBUG_ISOC, "lines= %d-%d, " | |
262 | "field=%d\n", | |
263 | start_line, last_line, field); | |
264 | ||
265 | if ((start_line<6 && last_line>200) && | |
266 | (last_field != field) ) { | |
267 | ||
268 | dev->isoc_ctl.nfields++; | |
269 | if (dev->isoc_ctl.nfields>=2) { | |
270 | dev->isoc_ctl.nfields=0; | |
271 | ||
272 | /* Announces that a new buffer were filled */ | |
273 | buffer_filled (dev, dma_q, *buf); | |
274 | dprintk(dev, V4L2_DEBUG_ISOC, | |
275 | "new buffer filled\n"); | |
721f507b MCC |
276 | get_next_buf (dma_q, buf); |
277 | if (!*buf) | |
278 | return rc; | |
e8a4845d MCC |
279 | out_p = videobuf_to_vmalloc(&((*buf)->vb)); |
280 | if (!out_p) | |
281 | return rc; | |
282 | ||
283 | pos = dev->isoc_ctl.pos = 0; | |
ed0236af MCC |
284 | } |
285 | } | |
a228618c | 286 | |
ed0236af MCC |
287 | start_line=line; |
288 | last_field=field; | |
a228618c | 289 | } |
6ae635c4 MCC |
290 | if (cmd == TM6000_URB_MSG_VIDEO) |
291 | last_line = line; | |
cc6c60d9 | 292 | |
ed0236af MCC |
293 | pktsize = TM6000_URB_MSG_LEN; |
294 | } else { | |
295 | /* Continue the last copy */ | |
296 | cmd = dev->isoc_ctl.cmd; | |
297 | size= dev->isoc_ctl.size; | |
298 | pos = dev->isoc_ctl.pos; | |
299 | pktsize = dev->isoc_ctl.pktsize; | |
e2c9500d MCC |
300 | } |
301 | ||
c4acf48c | 302 | cpysize = (endp-(*ptr) > size) ? size : endp - *ptr; |
e2c9500d MCC |
303 | |
304 | if (cpysize) { | |
305 | /* handles each different URB message */ | |
ed0236af | 306 | switch(cmd) { |
e2c9500d MCC |
307 | case TM6000_URB_MSG_VIDEO: |
308 | /* Fills video buffer */ | |
ed0236af | 309 | memcpy(&out_p[pos], *ptr, cpysize); |
a228618c MCC |
310 | break; |
311 | case TM6000_URB_MSG_PTS: | |
312 | break; | |
313 | case TM6000_URB_MSG_AUDIO: | |
3569417e SR |
314 | /* Need some code to process audio */ |
315 | printk ("%ld: cmd=%s, size=%d\n", jiffies, | |
ed0236af | 316 | tm6000_msg_type[cmd],size); |
a228618c | 317 | break; |
3569417e SR |
318 | case TM6000_URB_MSG_VBI: |
319 | break; | |
a228618c | 320 | default: |
ed0236af MCC |
321 | dprintk (dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n", |
322 | tm6000_msg_type[cmd],size); | |
e2c9500d MCC |
323 | } |
324 | } | |
ed0236af MCC |
325 | if (cpysize<size) { |
326 | /* End of URB packet, but cmd processing is not | |
327 | * complete. Preserve the state for a next packet | |
328 | */ | |
329 | dev->isoc_ctl.pos = pos+cpysize; | |
330 | dev->isoc_ctl.size= size-cpysize; | |
331 | dev->isoc_ctl.cmd = cmd; | |
332 | dev->isoc_ctl.pktsize = pktsize-cpysize; | |
333 | (*ptr)+=cpysize; | |
334 | } else { | |
335 | dev->isoc_ctl.cmd = 0; | |
336 | (*ptr)+=pktsize; | |
337 | } | |
e2c9500d | 338 | |
a228618c | 339 | return rc; |
e2c9500d MCC |
340 | } |
341 | ||
4b6ed9fd SR |
342 | static int copy_streams(u8 *data, unsigned long len, |
343 | struct urb *urb) | |
e2c9500d MCC |
344 | { |
345 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af MCC |
346 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
347 | u8 *ptr=data, *endp=data+len; | |
348 | unsigned long header=0; | |
349 | int rc=0; | |
4b6ed9fd SR |
350 | struct tm6000_buffer *buf; |
351 | char *outp = NULL; | |
352 | ||
353 | get_next_buf(dma_q, &buf); | |
354 | if (buf) | |
355 | outp = videobuf_to_vmalloc(&buf->vb); | |
356 | ||
357 | if (!outp) | |
358 | return 0; | |
ed0236af MCC |
359 | |
360 | for (ptr=data; ptr<endp;) { | |
361 | if (!dev->isoc_ctl.cmd) { | |
362 | u8 *p=(u8 *)&dev->isoc_ctl.tmp_buf; | |
363 | /* FIXME: This seems very complex | |
364 | * It just recovers up to 3 bytes of the header that | |
365 | * might be at the previous packet | |
366 | */ | |
367 | if (dev->isoc_ctl.tmp_buf_len) { | |
368 | while (dev->isoc_ctl.tmp_buf_len) { | |
369 | if ( *(ptr+3-dev->isoc_ctl.tmp_buf_len) == 0x47) { | |
370 | break; | |
371 | } | |
372 | p++; | |
373 | dev->isoc_ctl.tmp_buf_len--; | |
374 | } | |
375 | if (dev->isoc_ctl.tmp_buf_len) { | |
801dd3b3 | 376 | memcpy(&header, p, |
ed0236af | 377 | dev->isoc_ctl.tmp_buf_len); |
801dd3b3 MCC |
378 | memcpy((u8 *)&header + |
379 | dev->isoc_ctl.tmp_buf_len, | |
ed0236af | 380 | ptr, |
801dd3b3 MCC |
381 | 4 - dev->isoc_ctl.tmp_buf_len); |
382 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; | |
ed0236af MCC |
383 | goto HEADER; |
384 | } | |
385 | } | |
9701dc94 | 386 | /* Seek for sync */ |
ed0236af MCC |
387 | for (;ptr<endp-3;ptr++) { |
388 | if (*(ptr+3)==0x47) | |
9701dc94 | 389 | break; |
9701dc94 | 390 | } |
cc6c60d9 | 391 | |
ed0236af MCC |
392 | if (ptr+3>=endp) { |
393 | dev->isoc_ctl.tmp_buf_len=endp-ptr; | |
394 | memcpy (&dev->isoc_ctl.tmp_buf,ptr, | |
395 | dev->isoc_ctl.tmp_buf_len); | |
396 | dev->isoc_ctl.cmd=0; | |
9701dc94 | 397 | return rc; |
cc6c60d9 | 398 | } |
6eb5c8a6 | 399 | |
ed0236af MCC |
400 | /* Get message header */ |
401 | header=*(unsigned long *)ptr; | |
402 | ptr+=4; | |
403 | } | |
404 | HEADER: | |
e2c9500d | 405 | /* Copy or continue last copy */ |
4b6ed9fd | 406 | rc=copy_packet(urb,header,&ptr,endp,outp,&buf); |
ed0236af MCC |
407 | if (rc<0) { |
408 | buf=NULL; | |
a228618c MCC |
409 | printk(KERN_ERR "tm6000: buffer underrun at %ld\n", |
410 | jiffies); | |
411 | return rc; | |
412 | } | |
4b6ed9fd | 413 | if (!buf) |
f4b727b3 | 414 | return 0; |
9701dc94 MCC |
415 | } |
416 | ||
a228618c | 417 | return 0; |
9701dc94 MCC |
418 | } |
419 | /* | |
420 | * Identify the tm5600/6000 buffer header type and properly handles | |
421 | */ | |
4b6ed9fd SR |
422 | static int copy_multiplexed(u8 *ptr, unsigned long len, |
423 | struct urb *urb) | |
9701dc94 MCC |
424 | { |
425 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af MCC |
426 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
427 | unsigned int pos=dev->isoc_ctl.pos,cpysize; | |
428 | int rc=1; | |
4b6ed9fd SR |
429 | struct tm6000_buffer *buf; |
430 | char *outp = NULL; | |
431 | ||
432 | get_next_buf(dma_q, &buf); | |
433 | if (buf) | |
434 | outp = videobuf_to_vmalloc(&buf->vb); | |
435 | ||
436 | if (!outp) | |
437 | return 0; | |
ed0236af MCC |
438 | |
439 | while (len>0) { | |
4b6ed9fd SR |
440 | cpysize=min(len,buf->vb.size-pos); |
441 | //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos); | |
442 | memcpy(&outp[pos], ptr, cpysize); | |
ed0236af MCC |
443 | pos+=cpysize; |
444 | ptr+=cpysize; | |
445 | len-=cpysize; | |
4b6ed9fd | 446 | if (pos >= buf->vb.size) { |
ed0236af | 447 | pos=0; |
9701dc94 | 448 | /* Announces that a new buffer were filled */ |
4b6ed9fd | 449 | buffer_filled (dev, dma_q, buf); |
5f796752 | 450 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
4b6ed9fd SR |
451 | get_next_buf (dma_q, &buf); |
452 | if (!buf) | |
9701dc94 | 453 | break; |
4b6ed9fd SR |
454 | outp = videobuf_to_vmalloc(&(buf->vb)); |
455 | if (!outp) | |
e8a4845d MCC |
456 | return rc; |
457 | pos = 0; | |
9701dc94 MCC |
458 | } |
459 | } | |
460 | ||
ed0236af | 461 | dev->isoc_ctl.pos=pos; |
9701dc94 MCC |
462 | return rc; |
463 | } | |
464 | ||
ed0236af MCC |
465 | static void inline print_err_status (struct tm6000_core *dev, |
466 | int packet, int status) | |
5f796752 MCC |
467 | { |
468 | char *errmsg = "Unknown"; | |
469 | ||
ed0236af | 470 | switch(status) { |
5f796752 MCC |
471 | case -ENOENT: |
472 | errmsg = "unlinked synchronuously"; | |
473 | break; | |
474 | case -ECONNRESET: | |
475 | errmsg = "unlinked asynchronuously"; | |
476 | break; | |
477 | case -ENOSR: | |
478 | errmsg = "Buffer error (overrun)"; | |
479 | break; | |
480 | case -EPIPE: | |
481 | errmsg = "Stalled (device not responding)"; | |
482 | break; | |
483 | case -EOVERFLOW: | |
484 | errmsg = "Babble (bad cable?)"; | |
485 | break; | |
486 | case -EPROTO: | |
487 | errmsg = "Bit-stuff error (bad cable?)"; | |
488 | break; | |
489 | case -EILSEQ: | |
490 | errmsg = "CRC/Timeout (could be anything)"; | |
491 | break; | |
492 | case -ETIME: | |
493 | errmsg = "Device does not respond"; | |
494 | break; | |
495 | } | |
ed0236af | 496 | if (packet<0) { |
5f796752 MCC |
497 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
498 | status, errmsg); | |
499 | } else { | |
ed0236af | 500 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
501 | packet, status, errmsg); |
502 | } | |
503 | } | |
504 | ||
505 | ||
9701dc94 MCC |
506 | /* |
507 | * Controls the isoc copy of each urb packet | |
508 | */ | |
e8a4845d | 509 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
510 | { |
511 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af | 512 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
e8a4845d | 513 | struct tm6000_buffer *buf; |
4b6ed9fd SR |
514 | int i, len=0, rc=1, status; |
515 | char *p; | |
9701dc94 | 516 | |
4b6ed9fd SR |
517 | if (urb->status < 0) { |
518 | print_err_status (dev, -1, urb->status); | |
5f796752 MCC |
519 | return 0; |
520 | } | |
9701dc94 MCC |
521 | |
522 | for (i = 0; i < urb->number_of_packets; i++) { | |
4b6ed9fd | 523 | status = urb->iso_frame_desc[i].status; |
9701dc94 | 524 | |
ed0236af MCC |
525 | if (status<0) { |
526 | print_err_status (dev,i,status); | |
9701dc94 | 527 | continue; |
5f796752 | 528 | } |
9701dc94 | 529 | |
4b6ed9fd | 530 | len = urb->iso_frame_desc[i].actual_length; |
ed0236af | 531 | |
4b6ed9fd SR |
532 | if (len > 0) { |
533 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ed0236af | 534 | if (!urb->iso_frame_desc[i].status) { |
4b6ed9fd SR |
535 | if ((dev->fourcc)==V4L2_PIX_FMT_TM6000) { |
536 | rc=copy_multiplexed(p, len, urb); | |
ed0236af MCC |
537 | if (rc<=0) |
538 | return rc; | |
539 | } else { | |
4b6ed9fd | 540 | copy_streams(p, len, urb); |
ed0236af MCC |
541 | } |
542 | } | |
4b6ed9fd | 543 | } |
9701dc94 | 544 | } |
9701dc94 MCC |
545 | return rc; |
546 | } | |
547 | ||
548 | /* ------------------------------------------------------------------ | |
549 | URB control | |
550 | ------------------------------------------------------------------*/ | |
551 | ||
552 | /* | |
553 | * IRQ callback, called by URB callback | |
554 | */ | |
555 | static void tm6000_irq_callback(struct urb *urb) | |
556 | { | |
9701dc94 | 557 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 558 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 559 | int i; |
9701dc94 | 560 | |
721f507b MCC |
561 | if (!dev) |
562 | return; | |
a228618c | 563 | |
e8a4845d MCC |
564 | spin_lock(&dev->slock); |
565 | tm6000_isoc_copy(urb); | |
566 | spin_unlock(&dev->slock); | |
9701dc94 | 567 | |
e8a4845d MCC |
568 | /* Reset urb buffers */ |
569 | for (i = 0; i < urb->number_of_packets; i++) { | |
570 | urb->iso_frame_desc[i].status = 0; | |
571 | urb->iso_frame_desc[i].actual_length = 0; | |
572 | } | |
9701dc94 | 573 | |
c4acf48c MCC |
574 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
575 | if (urb->status) | |
9701dc94 MCC |
576 | tm6000_err("urb resubmit failed (error=%i)\n", |
577 | urb->status); | |
9701dc94 MCC |
578 | } |
579 | ||
580 | /* | |
581 | * Stop and Deallocate URBs | |
582 | */ | |
583 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
584 | { | |
585 | struct urb *urb; | |
586 | int i; | |
587 | ||
ee1fc07c MCC |
588 | dev->isoc_ctl.nfields = -1; |
589 | dev->isoc_ctl.buf = NULL; | |
9701dc94 MCC |
590 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
591 | urb=dev->isoc_ctl.urb[i]; | |
592 | if (urb) { | |
593 | usb_kill_urb(urb); | |
594 | usb_unlink_urb(urb); | |
595 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
5a11b6fe | 596 | usb_free_coherent(dev->udev, |
9701dc94 MCC |
597 | urb->transfer_buffer_length, |
598 | dev->isoc_ctl.transfer_buffer[i], | |
599 | urb->transfer_dma); | |
600 | } | |
601 | usb_free_urb(urb); | |
602 | dev->isoc_ctl.urb[i] = NULL; | |
603 | } | |
604 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
605 | } | |
606 | ||
607 | kfree (dev->isoc_ctl.urb); | |
608 | kfree (dev->isoc_ctl.transfer_buffer); | |
c144c037 | 609 | |
9701dc94 MCC |
610 | dev->isoc_ctl.urb=NULL; |
611 | dev->isoc_ctl.transfer_buffer=NULL; | |
c144c037 | 612 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
613 | |
614 | dev->isoc_ctl.num_bufs=0; | |
615 | } | |
616 | ||
9701dc94 MCC |
617 | /* |
618 | * Allocate URBs and start IRQ | |
619 | */ | |
ee1fc07c | 620 | static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) |
9701dc94 MCC |
621 | { |
622 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
5a4b55e2 | 623 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 8; |
9701dc94 | 624 | struct urb *urb; |
204193d9 | 625 | |
9701dc94 MCC |
626 | /* De-allocates all pending stuff */ |
627 | tm6000_uninit_isoc(dev); | |
628 | ||
6ae635c4 MCC |
629 | usb_set_interface(dev->udev, |
630 | dev->isoc_in.bInterfaceNumber, | |
631 | dev->isoc_in.bAlternateSetting); | |
632 | ||
ee1fc07c | 633 | pipe = usb_rcvisocpipe(dev->udev, |
6ae635c4 | 634 | dev->isoc_in.endp->desc.bEndpointAddress & |
ee1fc07c MCC |
635 | USB_ENDPOINT_NUMBER_MASK); |
636 | ||
637 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
638 | ||
6ae635c4 MCC |
639 | if (size > dev->isoc_in.maxsize) |
640 | size = dev->isoc_in.maxsize; | |
ee1fc07c MCC |
641 | |
642 | dev->isoc_ctl.max_pkt_size = size; | |
643 | ||
644 | max_packets = ( framesize + size - 1) / size; | |
645 | ||
646 | if (max_packets > TM6000_MAX_ISO_PACKETS) | |
647 | max_packets = TM6000_MAX_ISO_PACKETS; | |
648 | ||
649 | sb_size = max_packets * size; | |
650 | ||
651 | dev->isoc_ctl.num_bufs = num_bufs; | |
652 | ||
c144c037 | 653 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
654 | if (!dev->isoc_ctl.urb) { |
655 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
656 | return -ENOMEM; | |
657 | } | |
658 | ||
ee1fc07c | 659 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 660 | GFP_KERNEL); |
f8960ee7 | 661 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
662 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
663 | kfree(dev->isoc_ctl.urb); | |
664 | return -ENOMEM; | |
665 | } | |
666 | ||
ee1fc07c MCC |
667 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
668 | " (%d bytes) of %d bytes each to handle %u size\n", | |
669 | max_packets, num_bufs, sb_size, | |
6ae635c4 | 670 | dev->isoc_in.maxsize, size); |
9701dc94 MCC |
671 | |
672 | /* allocate urbs and transfer buffers */ | |
673 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
674 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
675 | if (!urb) { | |
676 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
677 | tm6000_uninit_isoc(dev); | |
c1a16414 | 678 | usb_free_urb(urb); |
9701dc94 MCC |
679 | return -ENOMEM; |
680 | } | |
681 | dev->isoc_ctl.urb[i] = urb; | |
682 | ||
5a11b6fe | 683 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, |
c13dd704 | 684 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
9701dc94 MCC |
685 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
686 | tm6000_err ("unable to allocate %i bytes for transfer" | |
a228618c MCC |
687 | " buffer %i%s\n", |
688 | sb_size, i, | |
689 | in_interrupt()?" while in int":""); | |
9701dc94 MCC |
690 | tm6000_uninit_isoc(dev); |
691 | return -ENOMEM; | |
692 | } | |
693 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
694 | ||
ee1fc07c MCC |
695 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
696 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
697 | tm6000_irq_callback, dma_q); | |
6ae635c4 | 698 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
9701dc94 | 699 | urb->number_of_packets = max_packets; |
ee1fc07c | 700 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 701 | |
9701dc94 | 702 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
703 | urb->iso_frame_desc[j].offset = size * j; |
704 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
705 | } |
706 | } | |
707 | ||
708 | return 0; | |
709 | } | |
710 | ||
c144c037 | 711 | static int tm6000_start_thread( struct tm6000_core *dev) |
9701dc94 | 712 | { |
c144c037 MCC |
713 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
714 | int i; | |
9701dc94 MCC |
715 | |
716 | dma_q->frame=0; | |
717 | dma_q->ini_jiffies=jiffies; | |
718 | ||
719 | init_waitqueue_head(&dma_q->wq); | |
720 | ||
721 | /* submit urbs and enables IRQ */ | |
722 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 723 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
724 | if (rc) { |
725 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
726 | rc); | |
727 | tm6000_uninit_isoc(dev); | |
728 | return rc; | |
729 | } | |
730 | } | |
731 | ||
9701dc94 MCC |
732 | return 0; |
733 | } | |
734 | ||
9701dc94 MCC |
735 | /* ------------------------------------------------------------------ |
736 | Videobuf operations | |
737 | ------------------------------------------------------------------*/ | |
95a83824 | 738 | |
9701dc94 MCC |
739 | static int |
740 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
741 | { | |
742 | struct tm6000_fh *fh = vq->priv_data; | |
743 | ||
744 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
745 | if (0 == *count) | |
95a83824 ML |
746 | *count = TM6000_DEF_BUF; |
747 | ||
748 | if (*count < TM6000_MIN_BUF) { | |
749 | *count=TM6000_MIN_BUF; | |
750 | } | |
751 | ||
9701dc94 MCC |
752 | while (*size * *count > vid_limit * 1024 * 1024) |
753 | (*count)--; | |
95a83824 | 754 | |
9701dc94 MCC |
755 | return 0; |
756 | } | |
757 | ||
758 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
759 | { | |
721f507b MCC |
760 | struct tm6000_fh *fh = vq->priv_data; |
761 | struct tm6000_core *dev = fh->dev; | |
762 | unsigned long flags; | |
763 | ||
9701dc94 MCC |
764 | if (in_interrupt()) |
765 | BUG(); | |
766 | ||
721f507b MCC |
767 | /* We used to wait for the buffer to finish here, but this didn't work |
768 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
769 | videobuf_queue_cancel marked it as finished for us. | |
770 | (Also, it could wedge forever if the hardware was misconfigured.) | |
771 | ||
772 | This should be safe; by the time we get here, the buffer isn't | |
773 | queued anymore. If we ever start marking the buffers as | |
774 | VIDEOBUF_ACTIVE, it won't be, though. | |
775 | */ | |
776 | spin_lock_irqsave(&dev->slock, flags); | |
777 | if (dev->isoc_ctl.buf == buf) | |
778 | dev->isoc_ctl.buf = NULL; | |
779 | spin_unlock_irqrestore(&dev->slock, flags); | |
780 | ||
9701dc94 | 781 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 782 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
783 | } |
784 | ||
785 | static int | |
786 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
787 | enum v4l2_field field) | |
788 | { | |
789 | struct tm6000_fh *fh = vq->priv_data; | |
790 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
791 | struct tm6000_core *dev = fh->dev; | |
204193d9 | 792 | int rc = 0, urb_init = 0; |
9701dc94 MCC |
793 | |
794 | BUG_ON(NULL == fh->fmt); | |
795 | ||
9701dc94 MCC |
796 | |
797 | /* FIXME: It assumes depth=2 */ | |
798 | /* The only currently supported format is 16 bits/pixel */ | |
799 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
800 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
801 | return -EINVAL; | |
802 | ||
803 | if (buf->fmt != fh->fmt || | |
804 | buf->vb.width != fh->width || | |
805 | buf->vb.height != fh->height || | |
806 | buf->vb.field != field) { | |
807 | buf->fmt = fh->fmt; | |
808 | buf->vb.width = fh->width; | |
809 | buf->vb.height = fh->height; | |
810 | buf->vb.field = field; | |
47878f16 | 811 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
812 | } |
813 | ||
47878f16 | 814 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ee1fc07c | 815 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
9701dc94 | 816 | goto fail; |
ee1fc07c | 817 | urb_init = 1; |
9701dc94 MCC |
818 | } |
819 | ||
9701dc94 | 820 | if (!dev->isoc_ctl.num_bufs) |
ee1fc07c | 821 | urb_init = 1; |
9701dc94 MCC |
822 | |
823 | if (urb_init) { | |
ee1fc07c | 824 | rc = tm6000_prepare_isoc(dev, buf->vb.size); |
c144c037 MCC |
825 | if (rc < 0) |
826 | goto fail; | |
ee1fc07c | 827 | |
c144c037 | 828 | rc = tm6000_start_thread(dev); |
ee1fc07c | 829 | if (rc < 0) |
9701dc94 | 830 | goto fail; |
c144c037 | 831 | |
9701dc94 MCC |
832 | } |
833 | ||
47878f16 | 834 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
835 | return 0; |
836 | ||
837 | fail: | |
ee1fc07c | 838 | free_buffer(vq, buf); |
9701dc94 MCC |
839 | return rc; |
840 | } | |
841 | ||
842 | static void | |
843 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
844 | { | |
845 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
846 | struct tm6000_fh *fh = vq->priv_data; | |
847 | struct tm6000_core *dev = fh->dev; | |
848 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
849 | |
850 | buf->vb.state = VIDEOBUF_QUEUED; | |
851 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
852 | } |
853 | ||
854 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
855 | { | |
856 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
9701dc94 MCC |
857 | |
858 | free_buffer(vq,buf); | |
859 | } | |
860 | ||
861 | static struct videobuf_queue_ops tm6000_video_qops = { | |
862 | .buf_setup = buffer_setup, | |
863 | .buf_prepare = buffer_prepare, | |
864 | .buf_queue = buffer_queue, | |
865 | .buf_release = buffer_release, | |
866 | }; | |
867 | ||
868 | /* ------------------------------------------------------------------ | |
869 | IOCTL handling | |
870 | ------------------------------------------------------------------*/ | |
871 | ||
872 | static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh) | |
873 | { | |
874 | /* is it free? */ | |
875 | mutex_lock(&dev->lock); | |
876 | if (dev->resources) { | |
877 | /* no, someone else uses it */ | |
878 | mutex_unlock(&dev->lock); | |
879 | return 0; | |
880 | } | |
881 | /* it's free, grab it */ | |
882 | dev->resources =1; | |
883 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
884 | mutex_unlock(&dev->lock); | |
885 | return 1; | |
886 | } | |
887 | ||
888 | static int res_locked(struct tm6000_core *dev) | |
889 | { | |
890 | return (dev->resources); | |
891 | } | |
892 | ||
893 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
894 | { | |
895 | mutex_lock(&dev->lock); | |
896 | dev->resources = 0; | |
897 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); | |
898 | mutex_unlock(&dev->lock); | |
899 | } | |
900 | ||
901 | /* ------------------------------------------------------------------ | |
902 | IOCTL vidioc handling | |
903 | ------------------------------------------------------------------*/ | |
904 | static int vidioc_querycap (struct file *file, void *priv, | |
905 | struct v4l2_capability *cap) | |
906 | { | |
907 | // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
908 | ||
909 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
e28f49b0 | 910 | strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
9701dc94 MCC |
911 | // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info)); |
912 | cap->version = TM6000_VERSION; | |
913 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
914 | V4L2_CAP_STREAMING | | |
915 | V4L2_CAP_TUNER | | |
916 | V4L2_CAP_READWRITE; | |
917 | return 0; | |
918 | } | |
919 | ||
2a8145d4 | 920 | static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
921 | struct v4l2_fmtdesc *f) |
922 | { | |
923 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
924 | return -EINVAL; | |
925 | ||
926 | strlcpy(f->description,format[f->index].name,sizeof(f->description)); | |
927 | f->pixelformat = format[f->index].fourcc; | |
928 | return 0; | |
929 | } | |
930 | ||
2a8145d4 | 931 | static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
932 | struct v4l2_format *f) |
933 | { | |
934 | struct tm6000_fh *fh=priv; | |
935 | ||
936 | f->fmt.pix.width = fh->width; | |
937 | f->fmt.pix.height = fh->height; | |
938 | f->fmt.pix.field = fh->vb_vidq.field; | |
939 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
940 | f->fmt.pix.bytesperline = | |
941 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
942 | f->fmt.pix.sizeimage = | |
943 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
944 | ||
945 | return (0); | |
946 | } | |
947 | ||
948 | static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) | |
949 | { | |
950 | unsigned int i; | |
951 | ||
952 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
953 | if (format[i].fourcc == fourcc) | |
954 | return format+i; | |
955 | return NULL; | |
956 | } | |
957 | ||
2a8145d4 | 958 | static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
959 | struct v4l2_format *f) |
960 | { | |
961 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
962 | struct tm6000_fmt *fmt; | |
963 | enum v4l2_field field; | |
964 | ||
965 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
966 | if (NULL == fmt) { | |
967 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
968 | " invalid.\n", f->fmt.pix.pixelformat); | |
969 | return -EINVAL; | |
970 | } | |
971 | ||
972 | field = f->fmt.pix.field; | |
973 | ||
974 | if (field == V4L2_FIELD_ANY) { | |
975 | // field=V4L2_FIELD_INTERLACED; | |
976 | field=V4L2_FIELD_SEQ_TB; | |
977 | } else if (V4L2_FIELD_INTERLACED != field) { | |
978 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); | |
979 | return -EINVAL; | |
980 | } | |
981 | ||
4475c044 | 982 | tm6000_get_std_res (dev); |
9701dc94 | 983 | |
4475c044 MCC |
984 | f->fmt.pix.width = dev->width; |
985 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
986 | |
987 | f->fmt.pix.width &= ~0x01; | |
988 | ||
989 | f->fmt.pix.field = field; | |
990 | ||
991 | f->fmt.pix.bytesperline = | |
992 | (f->fmt.pix.width * fmt->depth) >> 3; | |
993 | f->fmt.pix.sizeimage = | |
994 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
995 | ||
996 | return 0; | |
997 | } | |
998 | ||
999 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
2a8145d4 | 1000 | static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
1001 | struct v4l2_format *f) |
1002 | { | |
1003 | struct tm6000_fh *fh=priv; | |
1004 | struct tm6000_core *dev = fh->dev; | |
2a8145d4 | 1005 | int ret = vidioc_try_fmt_vid_cap(file,fh,f); |
9701dc94 MCC |
1006 | if (ret < 0) |
1007 | return (ret); | |
1008 | ||
1009 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1010 | fh->width = f->fmt.pix.width; | |
1011 | fh->height = f->fmt.pix.height; | |
1012 | fh->vb_vidq.field = f->fmt.pix.field; | |
1013 | fh->type = f->type; | |
1014 | ||
1015 | dev->fourcc = f->fmt.pix.pixelformat; | |
1016 | ||
1017 | tm6000_set_fourcc_format(dev); | |
1018 | ||
1019 | return (0); | |
1020 | } | |
1021 | ||
1022 | static int vidioc_reqbufs (struct file *file, void *priv, | |
1023 | struct v4l2_requestbuffers *p) | |
1024 | { | |
1025 | struct tm6000_fh *fh=priv; | |
1026 | ||
1027 | return (videobuf_reqbufs(&fh->vb_vidq, p)); | |
1028 | } | |
1029 | ||
1030 | static int vidioc_querybuf (struct file *file, void *priv, | |
1031 | struct v4l2_buffer *p) | |
1032 | { | |
1033 | struct tm6000_fh *fh=priv; | |
1034 | ||
1035 | return (videobuf_querybuf(&fh->vb_vidq, p)); | |
1036 | } | |
1037 | ||
1038 | static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
1039 | { | |
1040 | struct tm6000_fh *fh=priv; | |
1041 | ||
1042 | return (videobuf_qbuf(&fh->vb_vidq, p)); | |
1043 | } | |
1044 | ||
1045 | static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
1046 | { | |
1047 | struct tm6000_fh *fh=priv; | |
1048 | ||
1049 | return (videobuf_dqbuf(&fh->vb_vidq, p, | |
1050 | file->f_flags & O_NONBLOCK)); | |
1051 | } | |
1052 | ||
1053 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1054 | static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) | |
1055 | { | |
1056 | struct tm6000_fh *fh=priv; | |
1057 | ||
1058 | return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); | |
1059 | } | |
1060 | #endif | |
1061 | ||
1062 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) | |
1063 | { | |
1064 | struct tm6000_fh *fh=priv; | |
1065 | struct tm6000_core *dev = fh->dev; | |
1066 | ||
1067 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1068 | return -EINVAL; | |
1069 | if (i != fh->type) | |
1070 | return -EINVAL; | |
1071 | ||
1072 | if (!res_get(dev,fh)) | |
1073 | return -EBUSY; | |
1074 | return (videobuf_streamon(&fh->vb_vidq)); | |
1075 | } | |
1076 | ||
1077 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1078 | { | |
1079 | struct tm6000_fh *fh=priv; | |
1080 | struct tm6000_core *dev = fh->dev; | |
1081 | ||
1082 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1083 | return -EINVAL; | |
1084 | if (i != fh->type) | |
1085 | return -EINVAL; | |
1086 | ||
1087 | videobuf_streamoff(&fh->vb_vidq); | |
1088 | res_free(dev,fh); | |
1089 | ||
1090 | return (0); | |
1091 | } | |
1092 | ||
1093 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) | |
1094 | { | |
1095 | int rc=0; | |
1096 | struct tm6000_fh *fh=priv; | |
1097 | struct tm6000_core *dev = fh->dev; | |
1098 | ||
1099 | rc=tm6000_set_standard (dev, norm); | |
71e7cfae MCC |
1100 | |
1101 | fh->width = dev->width; | |
1102 | fh->height = dev->height; | |
1103 | ||
9701dc94 MCC |
1104 | if (rc<0) |
1105 | return rc; | |
1106 | ||
427f7fac | 1107 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
9701dc94 MCC |
1108 | |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | static int vidioc_enum_input (struct file *file, void *priv, | |
1113 | struct v4l2_input *inp) | |
1114 | { | |
1115 | switch (inp->index) { | |
1116 | case TM6000_INPUT_TV: | |
1117 | inp->type = V4L2_INPUT_TYPE_TUNER; | |
1118 | strcpy(inp->name,"Television"); | |
1119 | break; | |
1120 | case TM6000_INPUT_COMPOSITE: | |
1121 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1122 | strcpy(inp->name,"Composite"); | |
1123 | break; | |
1124 | case TM6000_INPUT_SVIDEO: | |
1125 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1126 | strcpy(inp->name,"S-Video"); | |
1127 | break; | |
1128 | default: | |
1129 | return -EINVAL; | |
1130 | } | |
1131 | inp->std = TM6000_STD; | |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) | |
1137 | { | |
1138 | struct tm6000_fh *fh=priv; | |
1139 | struct tm6000_core *dev = fh->dev; | |
1140 | ||
1141 | *i=dev->input; | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | static int vidioc_s_input (struct file *file, void *priv, unsigned int i) | |
1146 | { | |
1147 | struct tm6000_fh *fh=priv; | |
1148 | struct tm6000_core *dev = fh->dev; | |
1149 | int rc=0; | |
1150 | char buf[1]; | |
1151 | ||
1152 | switch (i) { | |
1153 | case TM6000_INPUT_TV: | |
1154 | dev->input=i; | |
1155 | *buf=0; | |
1156 | break; | |
1157 | case TM6000_INPUT_COMPOSITE: | |
1158 | case TM6000_INPUT_SVIDEO: | |
1159 | dev->input=i; | |
1160 | *buf=1; | |
1161 | break; | |
1162 | default: | |
1163 | return -EINVAL; | |
1164 | } | |
1165 | rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR, | |
1166 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); | |
1167 | ||
1168 | if (!rc) { | |
1169 | dev->input=i; | |
7c3f53ec | 1170 | rc=vidioc_s_std (file, priv, &dev->vfd->current_norm); |
9701dc94 MCC |
1171 | } |
1172 | ||
1173 | return (rc); | |
1174 | } | |
1175 | ||
1176 | /* --- controls ---------------------------------------------- */ | |
1177 | static int vidioc_queryctrl (struct file *file, void *priv, | |
1178 | struct v4l2_queryctrl *qc) | |
1179 | { | |
1180 | int i; | |
1181 | ||
1182 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1183 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1184 | memcpy(qc, &(tm6000_qctrl[i]), | |
1185 | sizeof(*qc)); | |
1186 | return (0); | |
1187 | } | |
1188 | ||
1189 | return -EINVAL; | |
1190 | } | |
1191 | ||
1192 | static int vidioc_g_ctrl (struct file *file, void *priv, | |
1193 | struct v4l2_control *ctrl) | |
1194 | { | |
1195 | struct tm6000_fh *fh=priv; | |
1196 | struct tm6000_core *dev = fh->dev; | |
1197 | int val; | |
1198 | ||
1199 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1200 | switch (ctrl->id) { | |
1201 | case V4L2_CID_CONTRAST: | |
9afec493 | 1202 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
9701dc94 MCC |
1203 | break; |
1204 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1205 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
9701dc94 MCC |
1206 | return 0; |
1207 | case V4L2_CID_SATURATION: | |
9afec493 | 1208 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
9701dc94 MCC |
1209 | return 0; |
1210 | case V4L2_CID_HUE: | |
9afec493 | 1211 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
9701dc94 MCC |
1212 | return 0; |
1213 | default: | |
1214 | return -EINVAL; | |
1215 | } | |
1216 | ||
1217 | if (val<0) | |
1218 | return val; | |
1219 | ||
1220 | ctrl->value=val; | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | static int vidioc_s_ctrl (struct file *file, void *priv, | |
1225 | struct v4l2_control *ctrl) | |
1226 | { | |
1227 | struct tm6000_fh *fh =priv; | |
1228 | struct tm6000_core *dev = fh->dev; | |
1229 | u8 val=ctrl->value; | |
1230 | ||
1231 | switch (ctrl->id) { | |
1232 | case V4L2_CID_CONTRAST: | |
9afec493 | 1233 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
9701dc94 MCC |
1234 | return 0; |
1235 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1236 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1237 | return 0; |
1238 | case V4L2_CID_SATURATION: | |
9afec493 | 1239 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1240 | return 0; |
1241 | case V4L2_CID_HUE: | |
9afec493 | 1242 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
9701dc94 MCC |
1243 | return 0; |
1244 | } | |
1245 | return -EINVAL; | |
1246 | } | |
1247 | ||
1248 | static int vidioc_g_tuner (struct file *file, void *priv, | |
1249 | struct v4l2_tuner *t) | |
1250 | { | |
1251 | struct tm6000_fh *fh =priv; | |
1252 | struct tm6000_core *dev = fh->dev; | |
1253 | ||
1254 | if (unlikely(UNSET == dev->tuner_type)) | |
1255 | return -EINVAL; | |
1256 | if (0 != t->index) | |
1257 | return -EINVAL; | |
1258 | ||
1259 | strcpy(t->name, "Television"); | |
1260 | t->type = V4L2_TUNER_ANALOG_TV; | |
1261 | t->capability = V4L2_TUNER_CAP_NORM; | |
1262 | t->rangehigh = 0xffffffffUL; | |
1263 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
1264 | ||
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | static int vidioc_s_tuner (struct file *file, void *priv, | |
1269 | struct v4l2_tuner *t) | |
1270 | { | |
1271 | struct tm6000_fh *fh =priv; | |
1272 | struct tm6000_core *dev = fh->dev; | |
1273 | ||
1274 | if (UNSET == dev->tuner_type) | |
1275 | return -EINVAL; | |
1276 | if (0 != t->index) | |
1277 | return -EINVAL; | |
1278 | ||
1279 | return 0; | |
1280 | } | |
1281 | ||
1282 | static int vidioc_g_frequency (struct file *file, void *priv, | |
1283 | struct v4l2_frequency *f) | |
1284 | { | |
1285 | struct tm6000_fh *fh =priv; | |
1286 | struct tm6000_core *dev = fh->dev; | |
1287 | ||
1288 | if (unlikely(UNSET == dev->tuner_type)) | |
1289 | return -EINVAL; | |
1290 | ||
1291 | f->type = V4L2_TUNER_ANALOG_TV; | |
1292 | f->frequency = dev->freq; | |
1293 | ||
427f7fac | 1294 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1295 | |
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | static int vidioc_s_frequency (struct file *file, void *priv, | |
1300 | struct v4l2_frequency *f) | |
1301 | { | |
1302 | struct tm6000_fh *fh =priv; | |
1303 | struct tm6000_core *dev = fh->dev; | |
1304 | ||
1305 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) | |
1306 | return -EINVAL; | |
1307 | ||
1308 | if (unlikely(UNSET == dev->tuner_type)) | |
1309 | return -EINVAL; | |
1310 | if (unlikely(f->tuner != 0)) | |
1311 | return -EINVAL; | |
1312 | ||
1313 | // mutex_lock(&dev->lock); | |
1314 | dev->freq = f->frequency; | |
64d339d4 | 1315 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1316 | // mutex_unlock(&dev->lock); |
1317 | ||
1318 | return 0; | |
1319 | } | |
1320 | ||
1321 | /* ------------------------------------------------------------------ | |
1322 | File operations for the device | |
1323 | ------------------------------------------------------------------*/ | |
1324 | ||
64d339d4 | 1325 | static int tm6000_open(struct file *file) |
9701dc94 | 1326 | { |
0a34df53 MCC |
1327 | struct video_device *vdev = video_devdata(file); |
1328 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 | 1329 | struct tm6000_fh *fh; |
e8d04167 | 1330 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
9701dc94 MCC |
1331 | int i,rc; |
1332 | ||
0a34df53 MCC |
1333 | printk(KERN_INFO "tm6000: open called (dev=%s)\n", |
1334 | video_device_node_name(vdev)); | |
7c3f53ec | 1335 | |
0a34df53 MCC |
1336 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1337 | video_device_node_name(vdev)); | |
9701dc94 | 1338 | |
9701dc94 MCC |
1339 | |
1340 | /* If more than one user, mutex should be added */ | |
1341 | dev->users++; | |
1342 | ||
0a34df53 MCC |
1343 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1344 | video_device_node_name(vdev), v4l2_type_names[type], | |
1345 | dev->users); | |
9701dc94 MCC |
1346 | |
1347 | /* allocate + initialize per filehandle data */ | |
1348 | fh = kzalloc(sizeof(*fh),GFP_KERNEL); | |
1349 | if (NULL == fh) { | |
1350 | dev->users--; | |
1351 | return -ENOMEM; | |
1352 | } | |
1353 | ||
1354 | file->private_data = fh; | |
1355 | fh->dev = dev; | |
1356 | ||
1357 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1358 | dev->fourcc = format[0].fourcc; | |
1359 | ||
1360 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 MCC |
1361 | |
1362 | tm6000_get_std_res (dev); | |
1363 | ||
1364 | fh->width = dev->width; | |
1365 | fh->height = dev->height; | |
9701dc94 MCC |
1366 | |
1367 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1368 | "dev->vidq=0x%08lx\n", | |
1369 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); | |
1370 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1371 | "queued=%d\n",list_empty(&dev->vidq.queued)); | |
1372 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1373 | "active=%d\n",list_empty(&dev->vidq.active)); | |
1374 | ||
1375 | /* initialize hardware on analog mode */ | |
1376 | if (dev->mode!=TM6000_MODE_ANALOG) { | |
1377 | rc=tm6000_init_analog_mode (dev); | |
1378 | if (rc<0) | |
1379 | return rc; | |
1380 | ||
1381 | /* Put all controls at a sane state */ | |
1382 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1383 | qctl_regs[i] =tm6000_qctrl[i].default_value; | |
1384 | ||
1385 | dev->mode=TM6000_MODE_ANALOG; | |
1386 | } | |
1387 | ||
1388 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1389 | NULL, &dev->slock, | |
1390 | fh->type, | |
1391 | V4L2_FIELD_INTERLACED, | |
1392 | sizeof(struct tm6000_buffer),fh); | |
1393 | ||
1394 | return 0; | |
1395 | } | |
1396 | ||
1397 | static ssize_t | |
1398 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1399 | { | |
1400 | struct tm6000_fh *fh = file->private_data; | |
1401 | ||
1402 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1403 | if (res_locked(fh->dev)) | |
1404 | return -EBUSY; | |
1405 | ||
1406 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
1407 | file->f_flags & O_NONBLOCK); | |
1408 | } | |
1409 | return 0; | |
1410 | } | |
1411 | ||
1412 | static unsigned int | |
1413 | tm6000_poll(struct file *file, struct poll_table_struct *wait) | |
1414 | { | |
1415 | struct tm6000_fh *fh = file->private_data; | |
1416 | struct tm6000_buffer *buf; | |
1417 | ||
1418 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1419 | return POLLERR; | |
1420 | ||
1421 | if (res_get(fh->dev,fh)) { | |
1422 | /* streaming capture */ | |
1423 | if (list_empty(&fh->vb_vidq.stream)) | |
1424 | return POLLERR; | |
1425 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); | |
1426 | } else { | |
1427 | /* read() capture */ | |
dc6a02aa MCC |
1428 | return videobuf_poll_stream(file, &fh->vb_vidq, |
1429 | wait); | |
9701dc94 MCC |
1430 | } |
1431 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1432 | if (buf->vb.state == VIDEOBUF_DONE || |
1433 | buf->vb.state == VIDEOBUF_ERROR) | |
9701dc94 MCC |
1434 | return POLLIN|POLLRDNORM; |
1435 | return 0; | |
1436 | } | |
1437 | ||
64d339d4 | 1438 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1439 | { |
1440 | struct tm6000_fh *fh = file->private_data; | |
1441 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1442 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1443 | |
0a34df53 MCC |
1444 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1445 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1446 | |
a58d35cb MCC |
1447 | dev->users--; |
1448 | ||
1449 | if (!dev->users) { | |
c144c037 | 1450 | tm6000_uninit_isoc(dev); |
a58d35cb MCC |
1451 | videobuf_mmap_free(&fh->vb_vidq); |
1452 | } | |
9701dc94 MCC |
1453 | |
1454 | kfree (fh); | |
1455 | ||
9701dc94 MCC |
1456 | return 0; |
1457 | } | |
1458 | ||
1459 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1460 | { | |
1461 | struct tm6000_fh *fh = file->private_data; | |
1462 | int ret; | |
1463 | ||
1464 | ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1465 | ||
1466 | return ret; | |
1467 | } | |
1468 | ||
64d339d4 | 1469 | static struct v4l2_file_operations tm6000_fops = { |
9701dc94 MCC |
1470 | .owner = THIS_MODULE, |
1471 | .open = tm6000_open, | |
1472 | .release = tm6000_release, | |
1473 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
1474 | .read = tm6000_read, | |
1475 | .poll = tm6000_poll, | |
1476 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1477 | }; |
1478 | ||
2a8145d4 MCC |
1479 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1480 | .vidioc_querycap = vidioc_querycap, | |
1481 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1482 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1483 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1484 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1485 | .vidioc_s_std = vidioc_s_std, | |
1486 | .vidioc_enum_input = vidioc_enum_input, | |
1487 | .vidioc_g_input = vidioc_g_input, | |
1488 | .vidioc_s_input = vidioc_s_input, | |
1489 | .vidioc_queryctrl = vidioc_queryctrl, | |
1490 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1491 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1492 | .vidioc_g_tuner = vidioc_g_tuner, | |
1493 | .vidioc_s_tuner = vidioc_s_tuner, | |
1494 | .vidioc_g_frequency = vidioc_g_frequency, | |
1495 | .vidioc_s_frequency = vidioc_s_frequency, | |
1496 | .vidioc_streamon = vidioc_streamon, | |
1497 | .vidioc_streamoff = vidioc_streamoff, | |
1498 | .vidioc_reqbufs = vidioc_reqbufs, | |
1499 | .vidioc_querybuf = vidioc_querybuf, | |
1500 | .vidioc_qbuf = vidioc_qbuf, | |
1501 | .vidioc_dqbuf = vidioc_dqbuf, | |
1502 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1503 | .vidiocgmbuf = vidiocgmbuf, | |
1504 | #endif | |
1505 | }; | |
1506 | ||
9701dc94 MCC |
1507 | static struct video_device tm6000_template = { |
1508 | .name = "tm6000", | |
9701dc94 | 1509 | .fops = &tm6000_fops, |
2a8145d4 | 1510 | .ioctl_ops = &video_ioctl_ops, |
9701dc94 | 1511 | .release = video_device_release, |
2a8145d4 MCC |
1512 | .tvnorms = TM6000_STD, |
1513 | .current_norm = V4L2_STD_NTSC_M, | |
9701dc94 | 1514 | }; |
2a8145d4 | 1515 | |
9701dc94 MCC |
1516 | /* ----------------------------------------------------------------- |
1517 | Initialization and module stuff | |
1518 | ------------------------------------------------------------------*/ | |
1519 | ||
1520 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1521 | { | |
7c3f53ec ML |
1522 | int ret = -1; |
1523 | struct video_device *vfd; | |
1524 | ||
1525 | vfd = video_device_alloc(); | |
1526 | if(!vfd) { | |
1527 | return -ENOMEM; | |
1528 | } | |
1529 | dev->vfd = vfd; | |
9701dc94 | 1530 | |
9701dc94 MCC |
1531 | /* init video dma queues */ |
1532 | INIT_LIST_HEAD(&dev->vidq.active); | |
1533 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1534 | ||
7c3f53ec ML |
1535 | memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); |
1536 | dev->vfd->debug=tm6000_debug; | |
427f7fac | 1537 | vfd->v4l2_dev = &dev->v4l2_dev; |
e8d04167 | 1538 | video_set_drvdata(vfd, dev); |
9701dc94 | 1539 | |
7c3f53ec | 1540 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
e28f49b0 | 1541 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 MCC |
1542 | return ret; |
1543 | } | |
1544 | ||
1545 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1546 | { | |
7c3f53ec | 1547 | video_unregister_device(dev->vfd); |
22927e8e | 1548 | |
9701dc94 MCC |
1549 | return 0; |
1550 | } | |
1551 | ||
1552 | int tm6000_v4l2_exit(void) | |
1553 | { | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | module_param(video_nr, int, 0); | |
1558 | MODULE_PARM_DESC(video_nr,"Allow changing video device number"); | |
1559 | ||
1560 | module_param_named (debug, tm6000_debug, int, 0444); | |
1561 | MODULE_PARM_DESC(debug,"activates debug info"); | |
1562 | ||
1563 | module_param(vid_limit,int,0644); | |
1564 | MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); | |
1565 |