]>
Commit | Line | Data |
---|---|---|
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 | ||
ee1fc07c MCC |
51 | #define TM6000_MAX_ISO_PACKETS 40 /* Max number of ISO packets */ |
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 | ||
119 | static LIST_HEAD(tm6000_corelist); | |
120 | ||
121 | /* ------------------------------------------------------------------ | |
122 | DMA and thread functions | |
123 | ------------------------------------------------------------------*/ | |
124 | ||
125 | #define norm_maxw(a) 720 | |
4475c044 | 126 | #define norm_maxh(a) 576 |
9701dc94 | 127 | |
9701dc94 MCC |
128 | #define norm_minw(a) norm_maxw(a) |
129 | #define norm_minh(a) norm_maxh(a) | |
130 | ||
131 | /* | |
132 | * video-buf generic routine to get the next available buffer | |
133 | */ | |
721f507b | 134 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
c4acf48c | 135 | struct tm6000_buffer **buf) |
9701dc94 | 136 | { |
c4acf48c | 137 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
721f507b | 138 | char *outp; |
9701dc94 MCC |
139 | |
140 | if (list_empty(&dma_q->active)) { | |
c4acf48c | 141 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
1f9305b7 | 142 | *buf = NULL; |
721f507b | 143 | return; |
9701dc94 MCC |
144 | } |
145 | ||
146 | *buf = list_entry(dma_q->active.next, | |
147 | struct tm6000_buffer, vb.queue); | |
148 | ||
721f507b MCC |
149 | if (!buf) |
150 | return; | |
151 | ||
152 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ | |
153 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
154 | memset(outp, 0, (*buf)->vb.size); | |
155 | ||
156 | return; | |
9701dc94 MCC |
157 | } |
158 | ||
159 | /* | |
160 | * Announces that a buffer were filled and request the next | |
161 | */ | |
c4acf48c MCC |
162 | static inline void buffer_filled(struct tm6000_core *dev, |
163 | struct tm6000_dmaqueue *dma_q, | |
164 | struct tm6000_buffer *buf) | |
9701dc94 MCC |
165 | { |
166 | /* Advice that buffer was filled */ | |
c4acf48c | 167 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
47878f16 | 168 | buf->vb.state = VIDEOBUF_DONE; |
9701dc94 MCC |
169 | buf->vb.field_count++; |
170 | do_gettimeofday(&buf->vb.ts); | |
171 | ||
172 | list_del(&buf->vb.queue); | |
173 | wake_up(&buf->vb.done); | |
174 | } | |
175 | ||
c4acf48c MCC |
176 | const char *tm6000_msg_type[] = { |
177 | "unknown(0)", /* 0 */ | |
178 | "video", /* 1 */ | |
179 | "audio", /* 2 */ | |
180 | "vbi", /* 3 */ | |
181 | "pts", /* 4 */ | |
182 | "err", /* 5 */ | |
183 | "unknown(6)", /* 6 */ | |
184 | "unknown(7)", /* 7 */ | |
a228618c MCC |
185 | }; |
186 | ||
9701dc94 MCC |
187 | /* |
188 | * Identify the tm5600/6000 buffer header type and properly handles | |
189 | */ | |
c4acf48c | 190 | static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp, |
e2c9500d | 191 | u8 *out_p, struct tm6000_buffer **buf) |
9701dc94 MCC |
192 | { |
193 | struct tm6000_dmaqueue *dma_q = urb->context; | |
c4acf48c | 194 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
9701dc94 | 195 | u8 c; |
c4acf48c MCC |
196 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
197 | int rc = 0; | |
a228618c | 198 | /* FIXME: move to tm6000-isoc */ |
c4acf48c | 199 | static int last_line = -2, start_line = -2, last_field = -2; |
9701dc94 MCC |
200 | |
201 | /* FIXME: this is the hardcoded window size | |
202 | */ | |
c4acf48c | 203 | unsigned int linewidth = (*buf)->vb.width << 1; |
9701dc94 | 204 | |
ed0236af MCC |
205 | if (!dev->isoc_ctl.cmd) { |
206 | c = (header >> 24) & 0xff; | |
207 | ||
208 | /* split the header fields */ | |
209 | size = (((header & 0x7e) << 1) -1) *4; | |
210 | block = (header >> 7) & 0xf; | |
211 | field = (header >> 11) & 0x1; | |
212 | line = (header >> 12) & 0x1ff; | |
213 | cmd = (header >> 21) & 0x7; | |
214 | ||
215 | /* Validates header fields */ | |
216 | if(size > TM6000_URB_MSG_LEN) | |
217 | size = TM6000_URB_MSG_LEN; | |
204193d9 | 218 | |
ed0236af MCC |
219 | if (cmd == TM6000_URB_MSG_VIDEO) { |
220 | if ((block+1)*TM6000_URB_MSG_LEN>linewidth) | |
221 | cmd = TM6000_URB_MSG_ERR; | |
222 | ||
223 | /* FIXME: Mounts the image as field0+field1 | |
224 | * It should, instead, check if the user selected | |
225 | * entrelaced or non-entrelaced mode | |
226 | */ | |
227 | pos= ((line<<1)+field)*linewidth + | |
228 | block*TM6000_URB_MSG_LEN; | |
229 | ||
230 | /* Don't allow to write out of the buffer */ | |
231 | if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) { | |
232 | dprintk(dev, V4L2_DEBUG_ISOC, | |
233 | "ERR: size=%d, num=%d, line=%d, " | |
234 | "field=%d\n", | |
235 | size, block, line, field); | |
236 | ||
237 | cmd = TM6000_URB_MSG_ERR; | |
238 | } | |
204193d9 | 239 | } else { |
ed0236af | 240 | pos=0; |
6eb5c8a6 | 241 | } |
ed0236af | 242 | |
6eb5c8a6 | 243 | /* Prints debug info */ |
ed0236af MCC |
244 | dprintk(dev, V4L2_DEBUG_ISOC, "size=%d, num=%d, " |
245 | " line=%d, field=%d\n", | |
246 | size, block, line, field); | |
e2c9500d | 247 | |
ed0236af MCC |
248 | if ((last_line!=line)&&(last_line+1!=line) && |
249 | (cmd != TM6000_URB_MSG_ERR) ) { | |
250 | if (cmd != TM6000_URB_MSG_VIDEO) { | |
251 | dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%d, " | |
252 | "size=%d, num=%d, line=%d, field=%d\n", | |
253 | cmd, size, block, line, field); | |
254 | } | |
255 | if (start_line<0) | |
256 | start_line=last_line; | |
257 | /* Prints debug info */ | |
258 | dprintk(dev, V4L2_DEBUG_ISOC, "lines= %d-%d, " | |
259 | "field=%d\n", | |
260 | start_line, last_line, field); | |
261 | ||
262 | if ((start_line<6 && last_line>200) && | |
263 | (last_field != field) ) { | |
264 | ||
265 | dev->isoc_ctl.nfields++; | |
266 | if (dev->isoc_ctl.nfields>=2) { | |
267 | dev->isoc_ctl.nfields=0; | |
268 | ||
269 | /* Announces that a new buffer were filled */ | |
270 | buffer_filled (dev, dma_q, *buf); | |
271 | dprintk(dev, V4L2_DEBUG_ISOC, | |
272 | "new buffer filled\n"); | |
721f507b MCC |
273 | get_next_buf (dma_q, buf); |
274 | if (!*buf) | |
275 | return rc; | |
e8a4845d MCC |
276 | out_p = videobuf_to_vmalloc(&((*buf)->vb)); |
277 | if (!out_p) | |
278 | return rc; | |
279 | ||
280 | pos = dev->isoc_ctl.pos = 0; | |
ed0236af MCC |
281 | } |
282 | } | |
a228618c | 283 | |
ed0236af MCC |
284 | start_line=line; |
285 | last_field=field; | |
a228618c | 286 | } |
ed0236af | 287 | last_line=line; |
cc6c60d9 | 288 | |
ed0236af MCC |
289 | pktsize = TM6000_URB_MSG_LEN; |
290 | } else { | |
291 | /* Continue the last copy */ | |
292 | cmd = dev->isoc_ctl.cmd; | |
293 | size= dev->isoc_ctl.size; | |
294 | pos = dev->isoc_ctl.pos; | |
295 | pktsize = dev->isoc_ctl.pktsize; | |
e2c9500d MCC |
296 | } |
297 | ||
c4acf48c | 298 | cpysize = (endp-(*ptr) > size) ? size : endp - *ptr; |
e2c9500d MCC |
299 | |
300 | if (cpysize) { | |
301 | /* handles each different URB message */ | |
ed0236af | 302 | switch(cmd) { |
e2c9500d MCC |
303 | case TM6000_URB_MSG_VIDEO: |
304 | /* Fills video buffer */ | |
ed0236af | 305 | memcpy(&out_p[pos], *ptr, cpysize); |
a228618c MCC |
306 | break; |
307 | case TM6000_URB_MSG_PTS: | |
308 | break; | |
309 | case TM6000_URB_MSG_AUDIO: | |
ed0236af MCC |
310 | /* Need some code to process audio */ |
311 | printk ("%ld: cmd=%s, size=%d\n", jiffies, | |
312 | tm6000_msg_type[cmd],size); | |
a228618c MCC |
313 | break; |
314 | default: | |
ed0236af MCC |
315 | dprintk (dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n", |
316 | tm6000_msg_type[cmd],size); | |
e2c9500d MCC |
317 | } |
318 | } | |
ed0236af MCC |
319 | if (cpysize<size) { |
320 | /* End of URB packet, but cmd processing is not | |
321 | * complete. Preserve the state for a next packet | |
322 | */ | |
323 | dev->isoc_ctl.pos = pos+cpysize; | |
324 | dev->isoc_ctl.size= size-cpysize; | |
325 | dev->isoc_ctl.cmd = cmd; | |
326 | dev->isoc_ctl.pktsize = pktsize-cpysize; | |
327 | (*ptr)+=cpysize; | |
328 | } else { | |
329 | dev->isoc_ctl.cmd = 0; | |
330 | (*ptr)+=pktsize; | |
331 | } | |
e2c9500d | 332 | |
a228618c | 333 | return rc; |
e2c9500d MCC |
334 | } |
335 | ||
336 | static int copy_streams(u8 *data, u8 *out_p, unsigned long len, | |
337 | struct urb *urb, struct tm6000_buffer **buf) | |
338 | { | |
339 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af MCC |
340 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
341 | u8 *ptr=data, *endp=data+len; | |
342 | unsigned long header=0; | |
343 | int rc=0; | |
344 | ||
345 | for (ptr=data; ptr<endp;) { | |
346 | if (!dev->isoc_ctl.cmd) { | |
347 | u8 *p=(u8 *)&dev->isoc_ctl.tmp_buf; | |
348 | /* FIXME: This seems very complex | |
349 | * It just recovers up to 3 bytes of the header that | |
350 | * might be at the previous packet | |
351 | */ | |
352 | if (dev->isoc_ctl.tmp_buf_len) { | |
353 | while (dev->isoc_ctl.tmp_buf_len) { | |
354 | if ( *(ptr+3-dev->isoc_ctl.tmp_buf_len) == 0x47) { | |
355 | break; | |
356 | } | |
357 | p++; | |
358 | dev->isoc_ctl.tmp_buf_len--; | |
359 | } | |
360 | if (dev->isoc_ctl.tmp_buf_len) { | |
361 | memcpy (&header,p, | |
362 | dev->isoc_ctl.tmp_buf_len); | |
363 | memcpy (((u8 *)header)+ | |
364 | dev->isoc_ctl.tmp_buf, | |
365 | ptr, | |
366 | 4-dev->isoc_ctl.tmp_buf_len); | |
367 | ptr+=4-dev->isoc_ctl.tmp_buf_len; | |
368 | goto HEADER; | |
369 | } | |
370 | } | |
9701dc94 | 371 | /* Seek for sync */ |
ed0236af MCC |
372 | for (;ptr<endp-3;ptr++) { |
373 | if (*(ptr+3)==0x47) | |
9701dc94 | 374 | break; |
9701dc94 | 375 | } |
cc6c60d9 | 376 | |
ed0236af MCC |
377 | if (ptr+3>=endp) { |
378 | dev->isoc_ctl.tmp_buf_len=endp-ptr; | |
379 | memcpy (&dev->isoc_ctl.tmp_buf,ptr, | |
380 | dev->isoc_ctl.tmp_buf_len); | |
381 | dev->isoc_ctl.cmd=0; | |
9701dc94 | 382 | return rc; |
cc6c60d9 | 383 | } |
6eb5c8a6 | 384 | |
ed0236af MCC |
385 | /* Get message header */ |
386 | header=*(unsigned long *)ptr; | |
387 | ptr+=4; | |
388 | } | |
389 | HEADER: | |
e2c9500d | 390 | /* Copy or continue last copy */ |
ed0236af MCC |
391 | rc=copy_packet(urb,header,&ptr,endp,out_p,buf); |
392 | if (rc<0) { | |
393 | buf=NULL; | |
a228618c MCC |
394 | printk(KERN_ERR "tm6000: buffer underrun at %ld\n", |
395 | jiffies); | |
396 | return rc; | |
397 | } | |
9701dc94 MCC |
398 | } |
399 | ||
a228618c | 400 | return 0; |
9701dc94 MCC |
401 | } |
402 | /* | |
403 | * Identify the tm5600/6000 buffer header type and properly handles | |
404 | */ | |
405 | static int copy_multiplexed(u8 *ptr, u8 *out_p, unsigned long len, | |
406 | struct urb *urb, struct tm6000_buffer **buf) | |
407 | { | |
408 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af MCC |
409 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
410 | unsigned int pos=dev->isoc_ctl.pos,cpysize; | |
411 | int rc=1; | |
412 | ||
413 | while (len>0) { | |
414 | cpysize=min(len,(*buf)->vb.size-pos); | |
415 | //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos); | |
416 | memcpy(&out_p[pos], ptr, cpysize); | |
417 | pos+=cpysize; | |
418 | ptr+=cpysize; | |
419 | len-=cpysize; | |
9701dc94 | 420 | if (pos >= (*buf)->vb.size) { |
ed0236af | 421 | pos=0; |
9701dc94 | 422 | /* Announces that a new buffer were filled */ |
ed0236af | 423 | buffer_filled (dev, dma_q, *buf); |
5f796752 | 424 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
721f507b MCC |
425 | get_next_buf (dma_q, buf); |
426 | if (!*buf) | |
9701dc94 | 427 | break; |
e8a4845d MCC |
428 | out_p = videobuf_to_vmalloc(&((*buf)->vb)); |
429 | if (!out_p) | |
430 | return rc; | |
431 | pos = 0; | |
9701dc94 MCC |
432 | } |
433 | } | |
434 | ||
ed0236af | 435 | dev->isoc_ctl.pos=pos; |
9701dc94 MCC |
436 | return rc; |
437 | } | |
438 | ||
ed0236af MCC |
439 | static void inline print_err_status (struct tm6000_core *dev, |
440 | int packet, int status) | |
5f796752 MCC |
441 | { |
442 | char *errmsg = "Unknown"; | |
443 | ||
ed0236af | 444 | switch(status) { |
5f796752 MCC |
445 | case -ENOENT: |
446 | errmsg = "unlinked synchronuously"; | |
447 | break; | |
448 | case -ECONNRESET: | |
449 | errmsg = "unlinked asynchronuously"; | |
450 | break; | |
451 | case -ENOSR: | |
452 | errmsg = "Buffer error (overrun)"; | |
453 | break; | |
454 | case -EPIPE: | |
455 | errmsg = "Stalled (device not responding)"; | |
456 | break; | |
457 | case -EOVERFLOW: | |
458 | errmsg = "Babble (bad cable?)"; | |
459 | break; | |
460 | case -EPROTO: | |
461 | errmsg = "Bit-stuff error (bad cable?)"; | |
462 | break; | |
463 | case -EILSEQ: | |
464 | errmsg = "CRC/Timeout (could be anything)"; | |
465 | break; | |
466 | case -ETIME: | |
467 | errmsg = "Device does not respond"; | |
468 | break; | |
469 | } | |
ed0236af | 470 | if (packet<0) { |
5f796752 MCC |
471 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
472 | status, errmsg); | |
473 | } else { | |
ed0236af | 474 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
475 | packet, status, errmsg); |
476 | } | |
477 | } | |
478 | ||
479 | ||
9701dc94 MCC |
480 | /* |
481 | * Controls the isoc copy of each urb packet | |
482 | */ | |
e8a4845d | 483 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
484 | { |
485 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af | 486 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
e8a4845d | 487 | struct tm6000_buffer *buf; |
ed0236af | 488 | int i, len=0, rc=1; |
e8a4845d MCC |
489 | int size; |
490 | char *outp = NULL, *p; | |
ed0236af | 491 | unsigned long copied; |
9701dc94 | 492 | |
e8a4845d MCC |
493 | get_next_buf(dma_q, &buf); |
494 | if (!buf) | |
495 | outp = videobuf_to_vmalloc(&buf->vb); | |
496 | ||
497 | if (!outp) | |
498 | return 0; | |
499 | ||
500 | size = buf->vb.size; | |
501 | ||
ed0236af MCC |
502 | copied=0; |
503 | ||
504 | if (urb->status<0) { | |
505 | print_err_status (dev,-1,urb->status); | |
5f796752 MCC |
506 | return 0; |
507 | } | |
9701dc94 MCC |
508 | |
509 | for (i = 0; i < urb->number_of_packets; i++) { | |
510 | int status = urb->iso_frame_desc[i].status; | |
9701dc94 | 511 | |
ed0236af MCC |
512 | if (status<0) { |
513 | print_err_status (dev,i,status); | |
9701dc94 | 514 | continue; |
5f796752 | 515 | } |
9701dc94 | 516 | |
ed0236af MCC |
517 | len=urb->iso_frame_desc[i].actual_length; |
518 | ||
519 | // if (len>=TM6000_URB_MSG_LEN) { | |
520 | p=urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
521 | if (!urb->iso_frame_desc[i].status) { | |
e8a4845d MCC |
522 | if ((buf->fmt->fourcc)==V4L2_PIX_FMT_TM6000) { |
523 | rc=copy_multiplexed(p, outp, len, urb, &buf); | |
ed0236af MCC |
524 | if (rc<=0) |
525 | return rc; | |
526 | } else { | |
e8a4845d | 527 | copy_streams(p, outp, len, urb, &buf); |
ed0236af MCC |
528 | } |
529 | } | |
530 | copied += len; | |
531 | if (copied>=size) | |
532 | break; | |
533 | // } | |
9701dc94 | 534 | } |
9701dc94 MCC |
535 | return rc; |
536 | } | |
537 | ||
538 | /* ------------------------------------------------------------------ | |
539 | URB control | |
540 | ------------------------------------------------------------------*/ | |
541 | ||
542 | /* | |
543 | * IRQ callback, called by URB callback | |
544 | */ | |
545 | static void tm6000_irq_callback(struct urb *urb) | |
546 | { | |
9701dc94 | 547 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 548 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 549 | int i; |
9701dc94 | 550 | |
721f507b MCC |
551 | if (!dev) |
552 | return; | |
a228618c | 553 | |
e8a4845d MCC |
554 | spin_lock(&dev->slock); |
555 | tm6000_isoc_copy(urb); | |
556 | spin_unlock(&dev->slock); | |
9701dc94 | 557 | |
e8a4845d MCC |
558 | /* Reset urb buffers */ |
559 | for (i = 0; i < urb->number_of_packets; i++) { | |
560 | urb->iso_frame_desc[i].status = 0; | |
561 | urb->iso_frame_desc[i].actual_length = 0; | |
562 | } | |
9701dc94 | 563 | |
c4acf48c MCC |
564 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
565 | if (urb->status) | |
9701dc94 MCC |
566 | tm6000_err("urb resubmit failed (error=%i)\n", |
567 | urb->status); | |
9701dc94 MCC |
568 | } |
569 | ||
570 | /* | |
571 | * Stop and Deallocate URBs | |
572 | */ | |
573 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
574 | { | |
575 | struct urb *urb; | |
576 | int i; | |
577 | ||
ee1fc07c MCC |
578 | dev->isoc_ctl.nfields = -1; |
579 | dev->isoc_ctl.buf = NULL; | |
9701dc94 MCC |
580 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
581 | urb=dev->isoc_ctl.urb[i]; | |
582 | if (urb) { | |
583 | usb_kill_urb(urb); | |
584 | usb_unlink_urb(urb); | |
585 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
586 | usb_buffer_free(dev->udev, | |
587 | urb->transfer_buffer_length, | |
588 | dev->isoc_ctl.transfer_buffer[i], | |
589 | urb->transfer_dma); | |
590 | } | |
591 | usb_free_urb(urb); | |
592 | dev->isoc_ctl.urb[i] = NULL; | |
593 | } | |
594 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
595 | } | |
596 | ||
597 | kfree (dev->isoc_ctl.urb); | |
598 | kfree (dev->isoc_ctl.transfer_buffer); | |
c144c037 | 599 | |
9701dc94 MCC |
600 | dev->isoc_ctl.urb=NULL; |
601 | dev->isoc_ctl.transfer_buffer=NULL; | |
c144c037 | 602 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
603 | |
604 | dev->isoc_ctl.num_bufs=0; | |
605 | } | |
606 | ||
9701dc94 MCC |
607 | /* |
608 | * Allocate URBs and start IRQ | |
609 | */ | |
ee1fc07c | 610 | static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) |
9701dc94 MCC |
611 | { |
612 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
ee1fc07c | 613 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 5; |
9701dc94 | 614 | struct urb *urb; |
204193d9 | 615 | |
9701dc94 MCC |
616 | /* De-allocates all pending stuff */ |
617 | tm6000_uninit_isoc(dev); | |
618 | ||
ee1fc07c MCC |
619 | pipe = usb_rcvisocpipe(dev->udev, |
620 | dev->isoc_in->desc.bEndpointAddress & | |
621 | USB_ENDPOINT_NUMBER_MASK); | |
622 | ||
623 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
624 | ||
625 | if (size > dev->max_isoc_in) | |
626 | size = dev->max_isoc_in; | |
627 | ||
628 | dev->isoc_ctl.max_pkt_size = size; | |
629 | ||
630 | max_packets = ( framesize + size - 1) / size; | |
631 | ||
632 | if (max_packets > TM6000_MAX_ISO_PACKETS) | |
633 | max_packets = TM6000_MAX_ISO_PACKETS; | |
634 | ||
635 | sb_size = max_packets * size; | |
636 | ||
637 | dev->isoc_ctl.num_bufs = num_bufs; | |
638 | ||
c144c037 | 639 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
640 | if (!dev->isoc_ctl.urb) { |
641 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
642 | return -ENOMEM; | |
643 | } | |
644 | ||
ee1fc07c | 645 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 646 | GFP_KERNEL); |
f8960ee7 | 647 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
648 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
649 | kfree(dev->isoc_ctl.urb); | |
650 | return -ENOMEM; | |
651 | } | |
652 | ||
ee1fc07c MCC |
653 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
654 | " (%d bytes) of %d bytes each to handle %u size\n", | |
655 | max_packets, num_bufs, sb_size, | |
656 | dev->max_isoc_in, size); | |
9701dc94 MCC |
657 | |
658 | ||
659 | /* allocate urbs and transfer buffers */ | |
660 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
661 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
662 | if (!urb) { | |
663 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
664 | tm6000_uninit_isoc(dev); | |
c1a16414 | 665 | usb_free_urb(urb); |
9701dc94 MCC |
666 | return -ENOMEM; |
667 | } | |
668 | dev->isoc_ctl.urb[i] = urb; | |
669 | ||
670 | dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->udev, | |
c13dd704 | 671 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
9701dc94 MCC |
672 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
673 | tm6000_err ("unable to allocate %i bytes for transfer" | |
a228618c MCC |
674 | " buffer %i%s\n", |
675 | sb_size, i, | |
676 | in_interrupt()?" while in int":""); | |
9701dc94 MCC |
677 | tm6000_uninit_isoc(dev); |
678 | return -ENOMEM; | |
679 | } | |
680 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
681 | ||
ee1fc07c MCC |
682 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
683 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
684 | tm6000_irq_callback, dma_q); | |
c144c037 | 685 | urb->interval = dev->isoc_in->desc.bInterval; |
9701dc94 | 686 | urb->number_of_packets = max_packets; |
ee1fc07c | 687 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 688 | |
9701dc94 | 689 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
690 | urb->iso_frame_desc[j].offset = size * j; |
691 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
692 | } |
693 | } | |
694 | ||
695 | return 0; | |
696 | } | |
697 | ||
c144c037 | 698 | static int tm6000_start_thread( struct tm6000_core *dev) |
9701dc94 | 699 | { |
c144c037 MCC |
700 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
701 | int i; | |
9701dc94 MCC |
702 | |
703 | dma_q->frame=0; | |
704 | dma_q->ini_jiffies=jiffies; | |
705 | ||
706 | init_waitqueue_head(&dma_q->wq); | |
707 | ||
708 | /* submit urbs and enables IRQ */ | |
709 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 710 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
711 | if (rc) { |
712 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
713 | rc); | |
714 | tm6000_uninit_isoc(dev); | |
715 | return rc; | |
716 | } | |
717 | } | |
718 | ||
9701dc94 MCC |
719 | return 0; |
720 | } | |
721 | ||
9701dc94 MCC |
722 | /* ------------------------------------------------------------------ |
723 | Videobuf operations | |
724 | ------------------------------------------------------------------*/ | |
95a83824 | 725 | |
9701dc94 MCC |
726 | static int |
727 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
728 | { | |
729 | struct tm6000_fh *fh = vq->priv_data; | |
730 | ||
731 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
732 | if (0 == *count) | |
95a83824 ML |
733 | *count = TM6000_DEF_BUF; |
734 | ||
735 | if (*count < TM6000_MIN_BUF) { | |
736 | *count=TM6000_MIN_BUF; | |
737 | } | |
738 | ||
9701dc94 MCC |
739 | while (*size * *count > vid_limit * 1024 * 1024) |
740 | (*count)--; | |
95a83824 | 741 | |
9701dc94 MCC |
742 | return 0; |
743 | } | |
744 | ||
745 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
746 | { | |
721f507b MCC |
747 | struct tm6000_fh *fh = vq->priv_data; |
748 | struct tm6000_core *dev = fh->dev; | |
749 | unsigned long flags; | |
750 | ||
9701dc94 MCC |
751 | if (in_interrupt()) |
752 | BUG(); | |
753 | ||
721f507b MCC |
754 | /* We used to wait for the buffer to finish here, but this didn't work |
755 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
756 | videobuf_queue_cancel marked it as finished for us. | |
757 | (Also, it could wedge forever if the hardware was misconfigured.) | |
758 | ||
759 | This should be safe; by the time we get here, the buffer isn't | |
760 | queued anymore. If we ever start marking the buffers as | |
761 | VIDEOBUF_ACTIVE, it won't be, though. | |
762 | */ | |
763 | spin_lock_irqsave(&dev->slock, flags); | |
764 | if (dev->isoc_ctl.buf == buf) | |
765 | dev->isoc_ctl.buf = NULL; | |
766 | spin_unlock_irqrestore(&dev->slock, flags); | |
767 | ||
9701dc94 | 768 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 769 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
770 | } |
771 | ||
772 | static int | |
773 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
774 | enum v4l2_field field) | |
775 | { | |
776 | struct tm6000_fh *fh = vq->priv_data; | |
777 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
778 | struct tm6000_core *dev = fh->dev; | |
204193d9 | 779 | int rc = 0, urb_init = 0; |
9701dc94 MCC |
780 | |
781 | BUG_ON(NULL == fh->fmt); | |
782 | ||
9701dc94 MCC |
783 | |
784 | /* FIXME: It assumes depth=2 */ | |
785 | /* The only currently supported format is 16 bits/pixel */ | |
786 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
787 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
788 | return -EINVAL; | |
789 | ||
790 | if (buf->fmt != fh->fmt || | |
791 | buf->vb.width != fh->width || | |
792 | buf->vb.height != fh->height || | |
793 | buf->vb.field != field) { | |
794 | buf->fmt = fh->fmt; | |
795 | buf->vb.width = fh->width; | |
796 | buf->vb.height = fh->height; | |
797 | buf->vb.field = field; | |
47878f16 | 798 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
799 | } |
800 | ||
47878f16 | 801 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ee1fc07c | 802 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
9701dc94 | 803 | goto fail; |
ee1fc07c | 804 | urb_init = 1; |
9701dc94 MCC |
805 | } |
806 | ||
9701dc94 | 807 | if (!dev->isoc_ctl.num_bufs) |
ee1fc07c | 808 | urb_init = 1; |
9701dc94 MCC |
809 | |
810 | if (urb_init) { | |
ee1fc07c | 811 | rc = tm6000_prepare_isoc(dev, buf->vb.size); |
c144c037 MCC |
812 | if (rc < 0) |
813 | goto fail; | |
ee1fc07c | 814 | |
c144c037 | 815 | rc = tm6000_start_thread(dev); |
ee1fc07c | 816 | if (rc < 0) |
9701dc94 | 817 | goto fail; |
c144c037 | 818 | |
9701dc94 MCC |
819 | } |
820 | ||
47878f16 | 821 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
822 | return 0; |
823 | ||
824 | fail: | |
ee1fc07c | 825 | free_buffer(vq, buf); |
9701dc94 MCC |
826 | return rc; |
827 | } | |
828 | ||
829 | static void | |
830 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
831 | { | |
832 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
833 | struct tm6000_fh *fh = vq->priv_data; | |
834 | struct tm6000_core *dev = fh->dev; | |
835 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
836 | |
837 | buf->vb.state = VIDEOBUF_QUEUED; | |
838 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
839 | } |
840 | ||
841 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
842 | { | |
843 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
9701dc94 MCC |
844 | |
845 | free_buffer(vq,buf); | |
846 | } | |
847 | ||
848 | static struct videobuf_queue_ops tm6000_video_qops = { | |
849 | .buf_setup = buffer_setup, | |
850 | .buf_prepare = buffer_prepare, | |
851 | .buf_queue = buffer_queue, | |
852 | .buf_release = buffer_release, | |
853 | }; | |
854 | ||
855 | /* ------------------------------------------------------------------ | |
856 | IOCTL handling | |
857 | ------------------------------------------------------------------*/ | |
858 | ||
859 | static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh) | |
860 | { | |
861 | /* is it free? */ | |
862 | mutex_lock(&dev->lock); | |
863 | if (dev->resources) { | |
864 | /* no, someone else uses it */ | |
865 | mutex_unlock(&dev->lock); | |
866 | return 0; | |
867 | } | |
868 | /* it's free, grab it */ | |
869 | dev->resources =1; | |
870 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
871 | mutex_unlock(&dev->lock); | |
872 | return 1; | |
873 | } | |
874 | ||
875 | static int res_locked(struct tm6000_core *dev) | |
876 | { | |
877 | return (dev->resources); | |
878 | } | |
879 | ||
880 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
881 | { | |
882 | mutex_lock(&dev->lock); | |
883 | dev->resources = 0; | |
884 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); | |
885 | mutex_unlock(&dev->lock); | |
886 | } | |
887 | ||
888 | /* ------------------------------------------------------------------ | |
889 | IOCTL vidioc handling | |
890 | ------------------------------------------------------------------*/ | |
891 | static int vidioc_querycap (struct file *file, void *priv, | |
892 | struct v4l2_capability *cap) | |
893 | { | |
894 | // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
895 | ||
896 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
e28f49b0 | 897 | strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
9701dc94 MCC |
898 | // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info)); |
899 | cap->version = TM6000_VERSION; | |
900 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
901 | V4L2_CAP_STREAMING | | |
902 | V4L2_CAP_TUNER | | |
903 | V4L2_CAP_READWRITE; | |
904 | return 0; | |
905 | } | |
906 | ||
2a8145d4 | 907 | static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
908 | struct v4l2_fmtdesc *f) |
909 | { | |
910 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
911 | return -EINVAL; | |
912 | ||
913 | strlcpy(f->description,format[f->index].name,sizeof(f->description)); | |
914 | f->pixelformat = format[f->index].fourcc; | |
915 | return 0; | |
916 | } | |
917 | ||
2a8145d4 | 918 | static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
919 | struct v4l2_format *f) |
920 | { | |
921 | struct tm6000_fh *fh=priv; | |
922 | ||
923 | f->fmt.pix.width = fh->width; | |
924 | f->fmt.pix.height = fh->height; | |
925 | f->fmt.pix.field = fh->vb_vidq.field; | |
926 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
927 | f->fmt.pix.bytesperline = | |
928 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
929 | f->fmt.pix.sizeimage = | |
930 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
931 | ||
932 | return (0); | |
933 | } | |
934 | ||
935 | static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) | |
936 | { | |
937 | unsigned int i; | |
938 | ||
939 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
940 | if (format[i].fourcc == fourcc) | |
941 | return format+i; | |
942 | return NULL; | |
943 | } | |
944 | ||
2a8145d4 | 945 | static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
946 | struct v4l2_format *f) |
947 | { | |
948 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
949 | struct tm6000_fmt *fmt; | |
950 | enum v4l2_field field; | |
951 | ||
952 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
953 | if (NULL == fmt) { | |
954 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
955 | " invalid.\n", f->fmt.pix.pixelformat); | |
956 | return -EINVAL; | |
957 | } | |
958 | ||
959 | field = f->fmt.pix.field; | |
960 | ||
961 | if (field == V4L2_FIELD_ANY) { | |
962 | // field=V4L2_FIELD_INTERLACED; | |
963 | field=V4L2_FIELD_SEQ_TB; | |
964 | } else if (V4L2_FIELD_INTERLACED != field) { | |
965 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); | |
966 | return -EINVAL; | |
967 | } | |
968 | ||
4475c044 | 969 | tm6000_get_std_res (dev); |
9701dc94 | 970 | |
4475c044 MCC |
971 | f->fmt.pix.width = dev->width; |
972 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
973 | |
974 | f->fmt.pix.width &= ~0x01; | |
975 | ||
976 | f->fmt.pix.field = field; | |
977 | ||
978 | f->fmt.pix.bytesperline = | |
979 | (f->fmt.pix.width * fmt->depth) >> 3; | |
980 | f->fmt.pix.sizeimage = | |
981 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
986 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
2a8145d4 | 987 | static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
988 | struct v4l2_format *f) |
989 | { | |
990 | struct tm6000_fh *fh=priv; | |
991 | struct tm6000_core *dev = fh->dev; | |
2a8145d4 | 992 | int ret = vidioc_try_fmt_vid_cap(file,fh,f); |
9701dc94 MCC |
993 | if (ret < 0) |
994 | return (ret); | |
995 | ||
996 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
997 | fh->width = f->fmt.pix.width; | |
998 | fh->height = f->fmt.pix.height; | |
999 | fh->vb_vidq.field = f->fmt.pix.field; | |
1000 | fh->type = f->type; | |
1001 | ||
1002 | dev->fourcc = f->fmt.pix.pixelformat; | |
1003 | ||
1004 | tm6000_set_fourcc_format(dev); | |
1005 | ||
1006 | return (0); | |
1007 | } | |
1008 | ||
1009 | static int vidioc_reqbufs (struct file *file, void *priv, | |
1010 | struct v4l2_requestbuffers *p) | |
1011 | { | |
1012 | struct tm6000_fh *fh=priv; | |
1013 | ||
1014 | return (videobuf_reqbufs(&fh->vb_vidq, p)); | |
1015 | } | |
1016 | ||
1017 | static int vidioc_querybuf (struct file *file, void *priv, | |
1018 | struct v4l2_buffer *p) | |
1019 | { | |
1020 | struct tm6000_fh *fh=priv; | |
1021 | ||
1022 | return (videobuf_querybuf(&fh->vb_vidq, p)); | |
1023 | } | |
1024 | ||
1025 | static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
1026 | { | |
1027 | struct tm6000_fh *fh=priv; | |
1028 | ||
1029 | return (videobuf_qbuf(&fh->vb_vidq, p)); | |
1030 | } | |
1031 | ||
1032 | static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
1033 | { | |
1034 | struct tm6000_fh *fh=priv; | |
1035 | ||
1036 | return (videobuf_dqbuf(&fh->vb_vidq, p, | |
1037 | file->f_flags & O_NONBLOCK)); | |
1038 | } | |
1039 | ||
1040 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1041 | static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) | |
1042 | { | |
1043 | struct tm6000_fh *fh=priv; | |
1044 | ||
1045 | return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); | |
1046 | } | |
1047 | #endif | |
1048 | ||
1049 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) | |
1050 | { | |
1051 | struct tm6000_fh *fh=priv; | |
1052 | struct tm6000_core *dev = fh->dev; | |
1053 | ||
1054 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1055 | return -EINVAL; | |
1056 | if (i != fh->type) | |
1057 | return -EINVAL; | |
1058 | ||
1059 | if (!res_get(dev,fh)) | |
1060 | return -EBUSY; | |
1061 | return (videobuf_streamon(&fh->vb_vidq)); | |
1062 | } | |
1063 | ||
1064 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1065 | { | |
1066 | struct tm6000_fh *fh=priv; | |
1067 | struct tm6000_core *dev = fh->dev; | |
1068 | ||
1069 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1070 | return -EINVAL; | |
1071 | if (i != fh->type) | |
1072 | return -EINVAL; | |
1073 | ||
1074 | videobuf_streamoff(&fh->vb_vidq); | |
1075 | res_free(dev,fh); | |
1076 | ||
1077 | return (0); | |
1078 | } | |
1079 | ||
1080 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) | |
1081 | { | |
1082 | int rc=0; | |
1083 | struct tm6000_fh *fh=priv; | |
1084 | struct tm6000_core *dev = fh->dev; | |
1085 | ||
1086 | rc=tm6000_set_standard (dev, norm); | |
71e7cfae MCC |
1087 | |
1088 | fh->width = dev->width; | |
1089 | fh->height = dev->height; | |
1090 | ||
9701dc94 MCC |
1091 | if (rc<0) |
1092 | return rc; | |
1093 | ||
427f7fac | 1094 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
9701dc94 MCC |
1095 | |
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | static int vidioc_enum_input (struct file *file, void *priv, | |
1100 | struct v4l2_input *inp) | |
1101 | { | |
1102 | switch (inp->index) { | |
1103 | case TM6000_INPUT_TV: | |
1104 | inp->type = V4L2_INPUT_TYPE_TUNER; | |
1105 | strcpy(inp->name,"Television"); | |
1106 | break; | |
1107 | case TM6000_INPUT_COMPOSITE: | |
1108 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1109 | strcpy(inp->name,"Composite"); | |
1110 | break; | |
1111 | case TM6000_INPUT_SVIDEO: | |
1112 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1113 | strcpy(inp->name,"S-Video"); | |
1114 | break; | |
1115 | default: | |
1116 | return -EINVAL; | |
1117 | } | |
1118 | inp->std = TM6000_STD; | |
1119 | ||
1120 | return 0; | |
1121 | } | |
1122 | ||
1123 | static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) | |
1124 | { | |
1125 | struct tm6000_fh *fh=priv; | |
1126 | struct tm6000_core *dev = fh->dev; | |
1127 | ||
1128 | *i=dev->input; | |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | static int vidioc_s_input (struct file *file, void *priv, unsigned int i) | |
1133 | { | |
1134 | struct tm6000_fh *fh=priv; | |
1135 | struct tm6000_core *dev = fh->dev; | |
1136 | int rc=0; | |
1137 | char buf[1]; | |
1138 | ||
1139 | switch (i) { | |
1140 | case TM6000_INPUT_TV: | |
1141 | dev->input=i; | |
1142 | *buf=0; | |
1143 | break; | |
1144 | case TM6000_INPUT_COMPOSITE: | |
1145 | case TM6000_INPUT_SVIDEO: | |
1146 | dev->input=i; | |
1147 | *buf=1; | |
1148 | break; | |
1149 | default: | |
1150 | return -EINVAL; | |
1151 | } | |
1152 | rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR, | |
1153 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); | |
1154 | ||
1155 | if (!rc) { | |
1156 | dev->input=i; | |
7c3f53ec | 1157 | rc=vidioc_s_std (file, priv, &dev->vfd->current_norm); |
9701dc94 MCC |
1158 | } |
1159 | ||
1160 | return (rc); | |
1161 | } | |
1162 | ||
1163 | /* --- controls ---------------------------------------------- */ | |
1164 | static int vidioc_queryctrl (struct file *file, void *priv, | |
1165 | struct v4l2_queryctrl *qc) | |
1166 | { | |
1167 | int i; | |
1168 | ||
1169 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1170 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1171 | memcpy(qc, &(tm6000_qctrl[i]), | |
1172 | sizeof(*qc)); | |
1173 | return (0); | |
1174 | } | |
1175 | ||
1176 | return -EINVAL; | |
1177 | } | |
1178 | ||
1179 | static int vidioc_g_ctrl (struct file *file, void *priv, | |
1180 | struct v4l2_control *ctrl) | |
1181 | { | |
1182 | struct tm6000_fh *fh=priv; | |
1183 | struct tm6000_core *dev = fh->dev; | |
1184 | int val; | |
1185 | ||
1186 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1187 | switch (ctrl->id) { | |
1188 | case V4L2_CID_CONTRAST: | |
9afec493 | 1189 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
9701dc94 MCC |
1190 | break; |
1191 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1192 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
9701dc94 MCC |
1193 | return 0; |
1194 | case V4L2_CID_SATURATION: | |
9afec493 | 1195 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
9701dc94 MCC |
1196 | return 0; |
1197 | case V4L2_CID_HUE: | |
9afec493 | 1198 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
9701dc94 MCC |
1199 | return 0; |
1200 | default: | |
1201 | return -EINVAL; | |
1202 | } | |
1203 | ||
1204 | if (val<0) | |
1205 | return val; | |
1206 | ||
1207 | ctrl->value=val; | |
1208 | ||
1209 | return 0; | |
1210 | } | |
1211 | static int vidioc_s_ctrl (struct file *file, void *priv, | |
1212 | struct v4l2_control *ctrl) | |
1213 | { | |
1214 | struct tm6000_fh *fh =priv; | |
1215 | struct tm6000_core *dev = fh->dev; | |
1216 | u8 val=ctrl->value; | |
1217 | ||
1218 | switch (ctrl->id) { | |
1219 | case V4L2_CID_CONTRAST: | |
9afec493 | 1220 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
9701dc94 MCC |
1221 | return 0; |
1222 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1223 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1224 | return 0; |
1225 | case V4L2_CID_SATURATION: | |
9afec493 | 1226 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1227 | return 0; |
1228 | case V4L2_CID_HUE: | |
9afec493 | 1229 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
9701dc94 MCC |
1230 | return 0; |
1231 | } | |
1232 | return -EINVAL; | |
1233 | } | |
1234 | ||
1235 | static int vidioc_g_tuner (struct file *file, void *priv, | |
1236 | struct v4l2_tuner *t) | |
1237 | { | |
1238 | struct tm6000_fh *fh =priv; | |
1239 | struct tm6000_core *dev = fh->dev; | |
1240 | ||
1241 | if (unlikely(UNSET == dev->tuner_type)) | |
1242 | return -EINVAL; | |
1243 | if (0 != t->index) | |
1244 | return -EINVAL; | |
1245 | ||
1246 | strcpy(t->name, "Television"); | |
1247 | t->type = V4L2_TUNER_ANALOG_TV; | |
1248 | t->capability = V4L2_TUNER_CAP_NORM; | |
1249 | t->rangehigh = 0xffffffffUL; | |
1250 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static int vidioc_s_tuner (struct file *file, void *priv, | |
1256 | struct v4l2_tuner *t) | |
1257 | { | |
1258 | struct tm6000_fh *fh =priv; | |
1259 | struct tm6000_core *dev = fh->dev; | |
1260 | ||
1261 | if (UNSET == dev->tuner_type) | |
1262 | return -EINVAL; | |
1263 | if (0 != t->index) | |
1264 | return -EINVAL; | |
1265 | ||
1266 | return 0; | |
1267 | } | |
1268 | ||
1269 | static int vidioc_g_frequency (struct file *file, void *priv, | |
1270 | struct v4l2_frequency *f) | |
1271 | { | |
1272 | struct tm6000_fh *fh =priv; | |
1273 | struct tm6000_core *dev = fh->dev; | |
1274 | ||
1275 | if (unlikely(UNSET == dev->tuner_type)) | |
1276 | return -EINVAL; | |
1277 | ||
1278 | f->type = V4L2_TUNER_ANALOG_TV; | |
1279 | f->frequency = dev->freq; | |
1280 | ||
427f7fac | 1281 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1282 | |
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | static int vidioc_s_frequency (struct file *file, void *priv, | |
1287 | struct v4l2_frequency *f) | |
1288 | { | |
1289 | struct tm6000_fh *fh =priv; | |
1290 | struct tm6000_core *dev = fh->dev; | |
1291 | ||
1292 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) | |
1293 | return -EINVAL; | |
1294 | ||
1295 | if (unlikely(UNSET == dev->tuner_type)) | |
1296 | return -EINVAL; | |
1297 | if (unlikely(f->tuner != 0)) | |
1298 | return -EINVAL; | |
1299 | ||
1300 | // mutex_lock(&dev->lock); | |
1301 | dev->freq = f->frequency; | |
64d339d4 | 1302 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1303 | // mutex_unlock(&dev->lock); |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | /* ------------------------------------------------------------------ | |
1309 | File operations for the device | |
1310 | ------------------------------------------------------------------*/ | |
1311 | ||
64d339d4 | 1312 | static int tm6000_open(struct file *file) |
9701dc94 | 1313 | { |
0a34df53 MCC |
1314 | struct video_device *vdev = video_devdata(file); |
1315 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 MCC |
1316 | struct tm6000_fh *fh; |
1317 | struct list_head *list; | |
1318 | enum v4l2_buf_type type = 0; | |
1319 | int i,rc; | |
1320 | ||
0a34df53 MCC |
1321 | printk(KERN_INFO "tm6000: open called (dev=%s)\n", |
1322 | video_device_node_name(vdev)); | |
7c3f53ec | 1323 | |
0a34df53 MCC |
1324 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1325 | video_device_node_name(vdev)); | |
9701dc94 MCC |
1326 | |
1327 | list_for_each(list,&tm6000_corelist) { | |
1328 | h = list_entry(list, struct tm6000_core, tm6000_corelist); | |
7c3f53ec | 1329 | if (h->vfd->minor == minor) { |
9701dc94 MCC |
1330 | dev = h; |
1331 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1332 | } | |
1333 | } | |
1334 | if (NULL == dev) | |
1335 | return -ENODEV; | |
1336 | ||
1337 | ||
1338 | /* If more than one user, mutex should be added */ | |
1339 | dev->users++; | |
1340 | ||
0a34df53 MCC |
1341 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1342 | video_device_node_name(vdev), v4l2_type_names[type], | |
1343 | dev->users); | |
9701dc94 MCC |
1344 | |
1345 | /* allocate + initialize per filehandle data */ | |
1346 | fh = kzalloc(sizeof(*fh),GFP_KERNEL); | |
1347 | if (NULL == fh) { | |
1348 | dev->users--; | |
1349 | return -ENOMEM; | |
1350 | } | |
1351 | ||
1352 | file->private_data = fh; | |
1353 | fh->dev = dev; | |
1354 | ||
1355 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1356 | dev->fourcc = format[0].fourcc; | |
1357 | ||
1358 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 MCC |
1359 | |
1360 | tm6000_get_std_res (dev); | |
1361 | ||
1362 | fh->width = dev->width; | |
1363 | fh->height = dev->height; | |
9701dc94 MCC |
1364 | |
1365 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1366 | "dev->vidq=0x%08lx\n", | |
1367 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); | |
1368 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1369 | "queued=%d\n",list_empty(&dev->vidq.queued)); | |
1370 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1371 | "active=%d\n",list_empty(&dev->vidq.active)); | |
1372 | ||
1373 | /* initialize hardware on analog mode */ | |
1374 | if (dev->mode!=TM6000_MODE_ANALOG) { | |
1375 | rc=tm6000_init_analog_mode (dev); | |
1376 | if (rc<0) | |
1377 | return rc; | |
1378 | ||
1379 | /* Put all controls at a sane state */ | |
1380 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1381 | qctl_regs[i] =tm6000_qctrl[i].default_value; | |
1382 | ||
1383 | dev->mode=TM6000_MODE_ANALOG; | |
1384 | } | |
1385 | ||
1386 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1387 | NULL, &dev->slock, | |
1388 | fh->type, | |
1389 | V4L2_FIELD_INTERLACED, | |
1390 | sizeof(struct tm6000_buffer),fh); | |
1391 | ||
1392 | return 0; | |
1393 | } | |
1394 | ||
1395 | static ssize_t | |
1396 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1397 | { | |
1398 | struct tm6000_fh *fh = file->private_data; | |
1399 | ||
1400 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1401 | if (res_locked(fh->dev)) | |
1402 | return -EBUSY; | |
1403 | ||
1404 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
1405 | file->f_flags & O_NONBLOCK); | |
1406 | } | |
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | static unsigned int | |
1411 | tm6000_poll(struct file *file, struct poll_table_struct *wait) | |
1412 | { | |
1413 | struct tm6000_fh *fh = file->private_data; | |
1414 | struct tm6000_buffer *buf; | |
1415 | ||
1416 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1417 | return POLLERR; | |
1418 | ||
1419 | if (res_get(fh->dev,fh)) { | |
1420 | /* streaming capture */ | |
1421 | if (list_empty(&fh->vb_vidq.stream)) | |
1422 | return POLLERR; | |
1423 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); | |
1424 | } else { | |
1425 | /* read() capture */ | |
dc6a02aa MCC |
1426 | return videobuf_poll_stream(file, &fh->vb_vidq, |
1427 | wait); | |
9701dc94 MCC |
1428 | } |
1429 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1430 | if (buf->vb.state == VIDEOBUF_DONE || |
1431 | buf->vb.state == VIDEOBUF_ERROR) | |
9701dc94 MCC |
1432 | return POLLIN|POLLRDNORM; |
1433 | return 0; | |
1434 | } | |
1435 | ||
64d339d4 | 1436 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1437 | { |
1438 | struct tm6000_fh *fh = file->private_data; | |
1439 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1440 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1441 | |
0a34df53 MCC |
1442 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1443 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1444 | |
a58d35cb MCC |
1445 | dev->users--; |
1446 | ||
1447 | if (!dev->users) { | |
c144c037 | 1448 | tm6000_uninit_isoc(dev); |
a58d35cb MCC |
1449 | videobuf_mmap_free(&fh->vb_vidq); |
1450 | } | |
9701dc94 MCC |
1451 | |
1452 | kfree (fh); | |
1453 | ||
9701dc94 MCC |
1454 | return 0; |
1455 | } | |
1456 | ||
1457 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1458 | { | |
1459 | struct tm6000_fh *fh = file->private_data; | |
1460 | int ret; | |
1461 | ||
1462 | ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1463 | ||
1464 | return ret; | |
1465 | } | |
1466 | ||
64d339d4 | 1467 | static struct v4l2_file_operations tm6000_fops = { |
9701dc94 MCC |
1468 | .owner = THIS_MODULE, |
1469 | .open = tm6000_open, | |
1470 | .release = tm6000_release, | |
1471 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
1472 | .read = tm6000_read, | |
1473 | .poll = tm6000_poll, | |
1474 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1475 | }; |
1476 | ||
2a8145d4 MCC |
1477 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1478 | .vidioc_querycap = vidioc_querycap, | |
1479 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1480 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1481 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1482 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1483 | .vidioc_s_std = vidioc_s_std, | |
1484 | .vidioc_enum_input = vidioc_enum_input, | |
1485 | .vidioc_g_input = vidioc_g_input, | |
1486 | .vidioc_s_input = vidioc_s_input, | |
1487 | .vidioc_queryctrl = vidioc_queryctrl, | |
1488 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1489 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1490 | .vidioc_g_tuner = vidioc_g_tuner, | |
1491 | .vidioc_s_tuner = vidioc_s_tuner, | |
1492 | .vidioc_g_frequency = vidioc_g_frequency, | |
1493 | .vidioc_s_frequency = vidioc_s_frequency, | |
1494 | .vidioc_streamon = vidioc_streamon, | |
1495 | .vidioc_streamoff = vidioc_streamoff, | |
1496 | .vidioc_reqbufs = vidioc_reqbufs, | |
1497 | .vidioc_querybuf = vidioc_querybuf, | |
1498 | .vidioc_qbuf = vidioc_qbuf, | |
1499 | .vidioc_dqbuf = vidioc_dqbuf, | |
1500 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1501 | .vidiocgmbuf = vidiocgmbuf, | |
1502 | #endif | |
1503 | }; | |
1504 | ||
9701dc94 MCC |
1505 | static struct video_device tm6000_template = { |
1506 | .name = "tm6000", | |
9701dc94 | 1507 | .fops = &tm6000_fops, |
2a8145d4 | 1508 | .ioctl_ops = &video_ioctl_ops, |
9701dc94 | 1509 | .release = video_device_release, |
2a8145d4 MCC |
1510 | .tvnorms = TM6000_STD, |
1511 | .current_norm = V4L2_STD_NTSC_M, | |
9701dc94 | 1512 | }; |
2a8145d4 | 1513 | |
9701dc94 MCC |
1514 | /* ----------------------------------------------------------------- |
1515 | Initialization and module stuff | |
1516 | ------------------------------------------------------------------*/ | |
1517 | ||
1518 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1519 | { | |
7c3f53ec ML |
1520 | int ret = -1; |
1521 | struct video_device *vfd; | |
1522 | ||
1523 | vfd = video_device_alloc(); | |
1524 | if(!vfd) { | |
1525 | return -ENOMEM; | |
1526 | } | |
1527 | dev->vfd = vfd; | |
9701dc94 MCC |
1528 | |
1529 | list_add_tail(&dev->tm6000_corelist,&tm6000_corelist); | |
1530 | ||
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; |
9701dc94 | 1538 | |
7c3f53ec | 1539 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
e28f49b0 | 1540 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 MCC |
1541 | return ret; |
1542 | } | |
1543 | ||
1544 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1545 | { | |
1546 | struct tm6000_core *h; | |
22927e8e | 1547 | struct list_head *pos, *tmp; |
9701dc94 | 1548 | |
7c3f53ec | 1549 | video_unregister_device(dev->vfd); |
22927e8e ML |
1550 | |
1551 | list_for_each_safe(pos, tmp, &tm6000_corelist) { | |
1552 | h = list_entry(pos, struct tm6000_core, tm6000_corelist); | |
9701dc94 | 1553 | if (h == dev) { |
8c9d26fd | 1554 | list_del(pos); |
9701dc94 MCC |
1555 | } |
1556 | } | |
1557 | ||
1558 | return 0; | |
1559 | } | |
1560 | ||
1561 | int tm6000_v4l2_exit(void) | |
1562 | { | |
1563 | return 0; | |
1564 | } | |
1565 | ||
1566 | module_param(video_nr, int, 0); | |
1567 | MODULE_PARM_DESC(video_nr,"Allow changing video device number"); | |
1568 | ||
1569 | module_param_named (debug, tm6000_debug, int, 0444); | |
1570 | MODULE_PARM_DESC(debug,"activates debug info"); | |
1571 | ||
1572 | module_param(vid_limit,int,0644); | |
1573 | MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); | |
1574 |