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 | ||
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 */ | |
208 | size = (((header & 0x7e) << 1) -1) *4; | |
209 | block = (header >> 7) & 0xf; | |
210 | field = (header >> 11) & 0x1; | |
211 | line = (header >> 12) & 0x1ff; | |
212 | cmd = (header >> 21) & 0x7; | |
213 | ||
214 | /* Validates header fields */ | |
215 | if(size > TM6000_URB_MSG_LEN) | |
216 | size = TM6000_URB_MSG_LEN; | |
204193d9 | 217 | |
ed0236af MCC |
218 | if (cmd == TM6000_URB_MSG_VIDEO) { |
219 | if ((block+1)*TM6000_URB_MSG_LEN>linewidth) | |
220 | cmd = TM6000_URB_MSG_ERR; | |
221 | ||
222 | /* FIXME: Mounts the image as field0+field1 | |
223 | * It should, instead, check if the user selected | |
224 | * entrelaced or non-entrelaced mode | |
225 | */ | |
3c7c5e9e SR |
226 | pos = ((line << 1) - field - 1) * linewidth + |
227 | block * TM6000_URB_MSG_LEN; | |
ed0236af MCC |
228 | |
229 | /* Don't allow to write out of the buffer */ | |
230 | if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) { | |
231 | dprintk(dev, V4L2_DEBUG_ISOC, | |
232 | "ERR: size=%d, num=%d, line=%d, " | |
233 | "field=%d\n", | |
234 | size, block, line, field); | |
235 | ||
236 | cmd = TM6000_URB_MSG_ERR; | |
237 | } | |
204193d9 | 238 | } else { |
ed0236af | 239 | pos=0; |
6eb5c8a6 | 240 | } |
ed0236af | 241 | |
6eb5c8a6 | 242 | /* Prints debug info */ |
ed0236af MCC |
243 | dprintk(dev, V4L2_DEBUG_ISOC, "size=%d, num=%d, " |
244 | " line=%d, field=%d\n", | |
245 | size, block, line, field); | |
e2c9500d | 246 | |
ed0236af MCC |
247 | if ((last_line!=line)&&(last_line+1!=line) && |
248 | (cmd != TM6000_URB_MSG_ERR) ) { | |
249 | if (cmd != TM6000_URB_MSG_VIDEO) { | |
250 | dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%d, " | |
251 | "size=%d, num=%d, line=%d, field=%d\n", | |
252 | cmd, size, block, line, field); | |
253 | } | |
254 | if (start_line<0) | |
255 | start_line=last_line; | |
256 | /* Prints debug info */ | |
257 | dprintk(dev, V4L2_DEBUG_ISOC, "lines= %d-%d, " | |
258 | "field=%d\n", | |
259 | start_line, last_line, field); | |
260 | ||
261 | if ((start_line<6 && last_line>200) && | |
262 | (last_field != field) ) { | |
263 | ||
264 | dev->isoc_ctl.nfields++; | |
265 | if (dev->isoc_ctl.nfields>=2) { | |
266 | dev->isoc_ctl.nfields=0; | |
267 | ||
268 | /* Announces that a new buffer were filled */ | |
269 | buffer_filled (dev, dma_q, *buf); | |
270 | dprintk(dev, V4L2_DEBUG_ISOC, | |
271 | "new buffer filled\n"); | |
721f507b MCC |
272 | get_next_buf (dma_q, buf); |
273 | if (!*buf) | |
274 | return rc; | |
e8a4845d MCC |
275 | out_p = videobuf_to_vmalloc(&((*buf)->vb)); |
276 | if (!out_p) | |
277 | return rc; | |
278 | ||
279 | pos = dev->isoc_ctl.pos = 0; | |
ed0236af MCC |
280 | } |
281 | } | |
a228618c | 282 | |
ed0236af MCC |
283 | start_line=line; |
284 | last_field=field; | |
a228618c | 285 | } |
6ae635c4 MCC |
286 | if (cmd == TM6000_URB_MSG_VIDEO) |
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) { | |
801dd3b3 | 361 | memcpy(&header, p, |
ed0236af | 362 | dev->isoc_ctl.tmp_buf_len); |
801dd3b3 MCC |
363 | memcpy((u8 *)&header + |
364 | dev->isoc_ctl.tmp_buf_len, | |
ed0236af | 365 | ptr, |
801dd3b3 MCC |
366 | 4 - dev->isoc_ctl.tmp_buf_len); |
367 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; | |
ed0236af MCC |
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 | } | |
f4b727b3 MCC |
398 | if (!*buf) |
399 | return 0; | |
9701dc94 MCC |
400 | } |
401 | ||
a228618c | 402 | return 0; |
9701dc94 MCC |
403 | } |
404 | /* | |
405 | * Identify the tm5600/6000 buffer header type and properly handles | |
406 | */ | |
407 | static int copy_multiplexed(u8 *ptr, u8 *out_p, unsigned long len, | |
408 | struct urb *urb, struct tm6000_buffer **buf) | |
409 | { | |
410 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af MCC |
411 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
412 | unsigned int pos=dev->isoc_ctl.pos,cpysize; | |
413 | int rc=1; | |
414 | ||
415 | while (len>0) { | |
416 | cpysize=min(len,(*buf)->vb.size-pos); | |
417 | //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos); | |
418 | memcpy(&out_p[pos], ptr, cpysize); | |
419 | pos+=cpysize; | |
420 | ptr+=cpysize; | |
421 | len-=cpysize; | |
9701dc94 | 422 | if (pos >= (*buf)->vb.size) { |
ed0236af | 423 | pos=0; |
9701dc94 | 424 | /* Announces that a new buffer were filled */ |
ed0236af | 425 | buffer_filled (dev, dma_q, *buf); |
5f796752 | 426 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
721f507b MCC |
427 | get_next_buf (dma_q, buf); |
428 | if (!*buf) | |
9701dc94 | 429 | break; |
e8a4845d MCC |
430 | out_p = videobuf_to_vmalloc(&((*buf)->vb)); |
431 | if (!out_p) | |
432 | return rc; | |
433 | pos = 0; | |
9701dc94 MCC |
434 | } |
435 | } | |
436 | ||
ed0236af | 437 | dev->isoc_ctl.pos=pos; |
9701dc94 MCC |
438 | return rc; |
439 | } | |
440 | ||
ed0236af MCC |
441 | static void inline print_err_status (struct tm6000_core *dev, |
442 | int packet, int status) | |
5f796752 MCC |
443 | { |
444 | char *errmsg = "Unknown"; | |
445 | ||
ed0236af | 446 | switch(status) { |
5f796752 MCC |
447 | case -ENOENT: |
448 | errmsg = "unlinked synchronuously"; | |
449 | break; | |
450 | case -ECONNRESET: | |
451 | errmsg = "unlinked asynchronuously"; | |
452 | break; | |
453 | case -ENOSR: | |
454 | errmsg = "Buffer error (overrun)"; | |
455 | break; | |
456 | case -EPIPE: | |
457 | errmsg = "Stalled (device not responding)"; | |
458 | break; | |
459 | case -EOVERFLOW: | |
460 | errmsg = "Babble (bad cable?)"; | |
461 | break; | |
462 | case -EPROTO: | |
463 | errmsg = "Bit-stuff error (bad cable?)"; | |
464 | break; | |
465 | case -EILSEQ: | |
466 | errmsg = "CRC/Timeout (could be anything)"; | |
467 | break; | |
468 | case -ETIME: | |
469 | errmsg = "Device does not respond"; | |
470 | break; | |
471 | } | |
ed0236af | 472 | if (packet<0) { |
5f796752 MCC |
473 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
474 | status, errmsg); | |
475 | } else { | |
ed0236af | 476 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
477 | packet, status, errmsg); |
478 | } | |
479 | } | |
480 | ||
481 | ||
9701dc94 MCC |
482 | /* |
483 | * Controls the isoc copy of each urb packet | |
484 | */ | |
e8a4845d | 485 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
486 | { |
487 | struct tm6000_dmaqueue *dma_q = urb->context; | |
ed0236af | 488 | struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); |
e8a4845d | 489 | struct tm6000_buffer *buf; |
ed0236af | 490 | int i, len=0, rc=1; |
e8a4845d MCC |
491 | int size; |
492 | char *outp = NULL, *p; | |
ed0236af | 493 | unsigned long copied; |
9701dc94 | 494 | |
e8a4845d | 495 | get_next_buf(dma_q, &buf); |
c16dd82b | 496 | if (buf) |
e8a4845d MCC |
497 | outp = videobuf_to_vmalloc(&buf->vb); |
498 | ||
499 | if (!outp) | |
500 | return 0; | |
501 | ||
502 | size = buf->vb.size; | |
503 | ||
ed0236af MCC |
504 | copied=0; |
505 | ||
506 | if (urb->status<0) { | |
507 | print_err_status (dev,-1,urb->status); | |
5f796752 MCC |
508 | return 0; |
509 | } | |
9701dc94 MCC |
510 | |
511 | for (i = 0; i < urb->number_of_packets; i++) { | |
512 | int status = urb->iso_frame_desc[i].status; | |
9701dc94 | 513 | |
ed0236af MCC |
514 | if (status<0) { |
515 | print_err_status (dev,i,status); | |
9701dc94 | 516 | continue; |
5f796752 | 517 | } |
9701dc94 | 518 | |
ed0236af MCC |
519 | len=urb->iso_frame_desc[i].actual_length; |
520 | ||
521 | // if (len>=TM6000_URB_MSG_LEN) { | |
522 | p=urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
523 | if (!urb->iso_frame_desc[i].status) { | |
e8a4845d MCC |
524 | if ((buf->fmt->fourcc)==V4L2_PIX_FMT_TM6000) { |
525 | rc=copy_multiplexed(p, outp, len, urb, &buf); | |
ed0236af MCC |
526 | if (rc<=0) |
527 | return rc; | |
528 | } else { | |
e8a4845d | 529 | copy_streams(p, outp, len, urb, &buf); |
ed0236af MCC |
530 | } |
531 | } | |
532 | copied += len; | |
f4b727b3 | 533 | if (copied >= size || !buf) |
ed0236af MCC |
534 | break; |
535 | // } | |
9701dc94 | 536 | } |
9701dc94 MCC |
537 | return rc; |
538 | } | |
539 | ||
540 | /* ------------------------------------------------------------------ | |
541 | URB control | |
542 | ------------------------------------------------------------------*/ | |
543 | ||
544 | /* | |
545 | * IRQ callback, called by URB callback | |
546 | */ | |
547 | static void tm6000_irq_callback(struct urb *urb) | |
548 | { | |
9701dc94 | 549 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 550 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 551 | int i; |
9701dc94 | 552 | |
721f507b MCC |
553 | if (!dev) |
554 | return; | |
a228618c | 555 | |
e8a4845d MCC |
556 | spin_lock(&dev->slock); |
557 | tm6000_isoc_copy(urb); | |
558 | spin_unlock(&dev->slock); | |
9701dc94 | 559 | |
e8a4845d MCC |
560 | /* Reset urb buffers */ |
561 | for (i = 0; i < urb->number_of_packets; i++) { | |
562 | urb->iso_frame_desc[i].status = 0; | |
563 | urb->iso_frame_desc[i].actual_length = 0; | |
564 | } | |
9701dc94 | 565 | |
c4acf48c MCC |
566 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
567 | if (urb->status) | |
9701dc94 MCC |
568 | tm6000_err("urb resubmit failed (error=%i)\n", |
569 | urb->status); | |
9701dc94 MCC |
570 | } |
571 | ||
572 | /* | |
573 | * Stop and Deallocate URBs | |
574 | */ | |
575 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
576 | { | |
577 | struct urb *urb; | |
578 | int i; | |
579 | ||
ee1fc07c MCC |
580 | dev->isoc_ctl.nfields = -1; |
581 | dev->isoc_ctl.buf = NULL; | |
9701dc94 MCC |
582 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
583 | urb=dev->isoc_ctl.urb[i]; | |
584 | if (urb) { | |
585 | usb_kill_urb(urb); | |
586 | usb_unlink_urb(urb); | |
587 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
5a11b6fe | 588 | usb_free_coherent(dev->udev, |
9701dc94 MCC |
589 | urb->transfer_buffer_length, |
590 | dev->isoc_ctl.transfer_buffer[i], | |
591 | urb->transfer_dma); | |
592 | } | |
593 | usb_free_urb(urb); | |
594 | dev->isoc_ctl.urb[i] = NULL; | |
595 | } | |
596 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
597 | } | |
598 | ||
599 | kfree (dev->isoc_ctl.urb); | |
600 | kfree (dev->isoc_ctl.transfer_buffer); | |
c144c037 | 601 | |
9701dc94 MCC |
602 | dev->isoc_ctl.urb=NULL; |
603 | dev->isoc_ctl.transfer_buffer=NULL; | |
c144c037 | 604 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
605 | |
606 | dev->isoc_ctl.num_bufs=0; | |
607 | } | |
608 | ||
9701dc94 MCC |
609 | /* |
610 | * Allocate URBs and start IRQ | |
611 | */ | |
ee1fc07c | 612 | static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) |
9701dc94 MCC |
613 | { |
614 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
ee1fc07c | 615 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 5; |
9701dc94 | 616 | struct urb *urb; |
204193d9 | 617 | |
9701dc94 MCC |
618 | /* De-allocates all pending stuff */ |
619 | tm6000_uninit_isoc(dev); | |
620 | ||
6ae635c4 MCC |
621 | usb_set_interface(dev->udev, |
622 | dev->isoc_in.bInterfaceNumber, | |
623 | dev->isoc_in.bAlternateSetting); | |
624 | ||
ee1fc07c | 625 | pipe = usb_rcvisocpipe(dev->udev, |
6ae635c4 | 626 | dev->isoc_in.endp->desc.bEndpointAddress & |
ee1fc07c MCC |
627 | USB_ENDPOINT_NUMBER_MASK); |
628 | ||
629 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
630 | ||
6ae635c4 MCC |
631 | if (size > dev->isoc_in.maxsize) |
632 | size = dev->isoc_in.maxsize; | |
ee1fc07c MCC |
633 | |
634 | dev->isoc_ctl.max_pkt_size = size; | |
635 | ||
636 | max_packets = ( framesize + size - 1) / size; | |
637 | ||
638 | if (max_packets > TM6000_MAX_ISO_PACKETS) | |
639 | max_packets = TM6000_MAX_ISO_PACKETS; | |
640 | ||
641 | sb_size = max_packets * size; | |
642 | ||
643 | dev->isoc_ctl.num_bufs = num_bufs; | |
644 | ||
c144c037 | 645 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
646 | if (!dev->isoc_ctl.urb) { |
647 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
648 | return -ENOMEM; | |
649 | } | |
650 | ||
ee1fc07c | 651 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 652 | GFP_KERNEL); |
f8960ee7 | 653 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
654 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
655 | kfree(dev->isoc_ctl.urb); | |
656 | return -ENOMEM; | |
657 | } | |
658 | ||
ee1fc07c MCC |
659 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
660 | " (%d bytes) of %d bytes each to handle %u size\n", | |
661 | max_packets, num_bufs, sb_size, | |
6ae635c4 | 662 | dev->isoc_in.maxsize, size); |
9701dc94 MCC |
663 | |
664 | /* allocate urbs and transfer buffers */ | |
665 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
666 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
667 | if (!urb) { | |
668 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
669 | tm6000_uninit_isoc(dev); | |
c1a16414 | 670 | usb_free_urb(urb); |
9701dc94 MCC |
671 | return -ENOMEM; |
672 | } | |
673 | dev->isoc_ctl.urb[i] = urb; | |
674 | ||
5a11b6fe | 675 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, |
c13dd704 | 676 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
9701dc94 MCC |
677 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
678 | tm6000_err ("unable to allocate %i bytes for transfer" | |
a228618c MCC |
679 | " buffer %i%s\n", |
680 | sb_size, i, | |
681 | in_interrupt()?" while in int":""); | |
9701dc94 MCC |
682 | tm6000_uninit_isoc(dev); |
683 | return -ENOMEM; | |
684 | } | |
685 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
686 | ||
ee1fc07c MCC |
687 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
688 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
689 | tm6000_irq_callback, dma_q); | |
6ae635c4 | 690 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
9701dc94 | 691 | urb->number_of_packets = max_packets; |
ee1fc07c | 692 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 693 | |
9701dc94 | 694 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
695 | urb->iso_frame_desc[j].offset = size * j; |
696 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
697 | } |
698 | } | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
c144c037 | 703 | static int tm6000_start_thread( struct tm6000_core *dev) |
9701dc94 | 704 | { |
c144c037 MCC |
705 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
706 | int i; | |
9701dc94 MCC |
707 | |
708 | dma_q->frame=0; | |
709 | dma_q->ini_jiffies=jiffies; | |
710 | ||
711 | init_waitqueue_head(&dma_q->wq); | |
712 | ||
713 | /* submit urbs and enables IRQ */ | |
714 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 715 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
716 | if (rc) { |
717 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
718 | rc); | |
719 | tm6000_uninit_isoc(dev); | |
720 | return rc; | |
721 | } | |
722 | } | |
723 | ||
9701dc94 MCC |
724 | return 0; |
725 | } | |
726 | ||
9701dc94 MCC |
727 | /* ------------------------------------------------------------------ |
728 | Videobuf operations | |
729 | ------------------------------------------------------------------*/ | |
95a83824 | 730 | |
9701dc94 MCC |
731 | static int |
732 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
733 | { | |
734 | struct tm6000_fh *fh = vq->priv_data; | |
735 | ||
736 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
737 | if (0 == *count) | |
95a83824 ML |
738 | *count = TM6000_DEF_BUF; |
739 | ||
740 | if (*count < TM6000_MIN_BUF) { | |
741 | *count=TM6000_MIN_BUF; | |
742 | } | |
743 | ||
9701dc94 MCC |
744 | while (*size * *count > vid_limit * 1024 * 1024) |
745 | (*count)--; | |
95a83824 | 746 | |
9701dc94 MCC |
747 | return 0; |
748 | } | |
749 | ||
750 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
751 | { | |
721f507b MCC |
752 | struct tm6000_fh *fh = vq->priv_data; |
753 | struct tm6000_core *dev = fh->dev; | |
754 | unsigned long flags; | |
755 | ||
9701dc94 MCC |
756 | if (in_interrupt()) |
757 | BUG(); | |
758 | ||
721f507b MCC |
759 | /* We used to wait for the buffer to finish here, but this didn't work |
760 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
761 | videobuf_queue_cancel marked it as finished for us. | |
762 | (Also, it could wedge forever if the hardware was misconfigured.) | |
763 | ||
764 | This should be safe; by the time we get here, the buffer isn't | |
765 | queued anymore. If we ever start marking the buffers as | |
766 | VIDEOBUF_ACTIVE, it won't be, though. | |
767 | */ | |
768 | spin_lock_irqsave(&dev->slock, flags); | |
769 | if (dev->isoc_ctl.buf == buf) | |
770 | dev->isoc_ctl.buf = NULL; | |
771 | spin_unlock_irqrestore(&dev->slock, flags); | |
772 | ||
9701dc94 | 773 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 774 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
775 | } |
776 | ||
777 | static int | |
778 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
779 | enum v4l2_field field) | |
780 | { | |
781 | struct tm6000_fh *fh = vq->priv_data; | |
782 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
783 | struct tm6000_core *dev = fh->dev; | |
204193d9 | 784 | int rc = 0, urb_init = 0; |
9701dc94 MCC |
785 | |
786 | BUG_ON(NULL == fh->fmt); | |
787 | ||
9701dc94 MCC |
788 | |
789 | /* FIXME: It assumes depth=2 */ | |
790 | /* The only currently supported format is 16 bits/pixel */ | |
791 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
792 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
793 | return -EINVAL; | |
794 | ||
795 | if (buf->fmt != fh->fmt || | |
796 | buf->vb.width != fh->width || | |
797 | buf->vb.height != fh->height || | |
798 | buf->vb.field != field) { | |
799 | buf->fmt = fh->fmt; | |
800 | buf->vb.width = fh->width; | |
801 | buf->vb.height = fh->height; | |
802 | buf->vb.field = field; | |
47878f16 | 803 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
804 | } |
805 | ||
47878f16 | 806 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ee1fc07c | 807 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
9701dc94 | 808 | goto fail; |
ee1fc07c | 809 | urb_init = 1; |
9701dc94 MCC |
810 | } |
811 | ||
9701dc94 | 812 | if (!dev->isoc_ctl.num_bufs) |
ee1fc07c | 813 | urb_init = 1; |
9701dc94 MCC |
814 | |
815 | if (urb_init) { | |
ee1fc07c | 816 | rc = tm6000_prepare_isoc(dev, buf->vb.size); |
c144c037 MCC |
817 | if (rc < 0) |
818 | goto fail; | |
ee1fc07c | 819 | |
c144c037 | 820 | rc = tm6000_start_thread(dev); |
ee1fc07c | 821 | if (rc < 0) |
9701dc94 | 822 | goto fail; |
c144c037 | 823 | |
9701dc94 MCC |
824 | } |
825 | ||
47878f16 | 826 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
827 | return 0; |
828 | ||
829 | fail: | |
ee1fc07c | 830 | free_buffer(vq, buf); |
9701dc94 MCC |
831 | return rc; |
832 | } | |
833 | ||
834 | static void | |
835 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
836 | { | |
837 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
838 | struct tm6000_fh *fh = vq->priv_data; | |
839 | struct tm6000_core *dev = fh->dev; | |
840 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
841 | |
842 | buf->vb.state = VIDEOBUF_QUEUED; | |
843 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
844 | } |
845 | ||
846 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
847 | { | |
848 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
9701dc94 MCC |
849 | |
850 | free_buffer(vq,buf); | |
851 | } | |
852 | ||
853 | static struct videobuf_queue_ops tm6000_video_qops = { | |
854 | .buf_setup = buffer_setup, | |
855 | .buf_prepare = buffer_prepare, | |
856 | .buf_queue = buffer_queue, | |
857 | .buf_release = buffer_release, | |
858 | }; | |
859 | ||
860 | /* ------------------------------------------------------------------ | |
861 | IOCTL handling | |
862 | ------------------------------------------------------------------*/ | |
863 | ||
864 | static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh) | |
865 | { | |
866 | /* is it free? */ | |
867 | mutex_lock(&dev->lock); | |
868 | if (dev->resources) { | |
869 | /* no, someone else uses it */ | |
870 | mutex_unlock(&dev->lock); | |
871 | return 0; | |
872 | } | |
873 | /* it's free, grab it */ | |
874 | dev->resources =1; | |
875 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
876 | mutex_unlock(&dev->lock); | |
877 | return 1; | |
878 | } | |
879 | ||
880 | static int res_locked(struct tm6000_core *dev) | |
881 | { | |
882 | return (dev->resources); | |
883 | } | |
884 | ||
885 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
886 | { | |
887 | mutex_lock(&dev->lock); | |
888 | dev->resources = 0; | |
889 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); | |
890 | mutex_unlock(&dev->lock); | |
891 | } | |
892 | ||
893 | /* ------------------------------------------------------------------ | |
894 | IOCTL vidioc handling | |
895 | ------------------------------------------------------------------*/ | |
896 | static int vidioc_querycap (struct file *file, void *priv, | |
897 | struct v4l2_capability *cap) | |
898 | { | |
899 | // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
900 | ||
901 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
e28f49b0 | 902 | strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
9701dc94 MCC |
903 | // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info)); |
904 | cap->version = TM6000_VERSION; | |
905 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
906 | V4L2_CAP_STREAMING | | |
907 | V4L2_CAP_TUNER | | |
908 | V4L2_CAP_READWRITE; | |
909 | return 0; | |
910 | } | |
911 | ||
2a8145d4 | 912 | static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
913 | struct v4l2_fmtdesc *f) |
914 | { | |
915 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
916 | return -EINVAL; | |
917 | ||
918 | strlcpy(f->description,format[f->index].name,sizeof(f->description)); | |
919 | f->pixelformat = format[f->index].fourcc; | |
920 | return 0; | |
921 | } | |
922 | ||
2a8145d4 | 923 | static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
924 | struct v4l2_format *f) |
925 | { | |
926 | struct tm6000_fh *fh=priv; | |
927 | ||
928 | f->fmt.pix.width = fh->width; | |
929 | f->fmt.pix.height = fh->height; | |
930 | f->fmt.pix.field = fh->vb_vidq.field; | |
931 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
932 | f->fmt.pix.bytesperline = | |
933 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
934 | f->fmt.pix.sizeimage = | |
935 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
936 | ||
937 | return (0); | |
938 | } | |
939 | ||
940 | static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) | |
941 | { | |
942 | unsigned int i; | |
943 | ||
944 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
945 | if (format[i].fourcc == fourcc) | |
946 | return format+i; | |
947 | return NULL; | |
948 | } | |
949 | ||
2a8145d4 | 950 | static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
951 | struct v4l2_format *f) |
952 | { | |
953 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
954 | struct tm6000_fmt *fmt; | |
955 | enum v4l2_field field; | |
956 | ||
957 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
958 | if (NULL == fmt) { | |
959 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
960 | " invalid.\n", f->fmt.pix.pixelformat); | |
961 | return -EINVAL; | |
962 | } | |
963 | ||
964 | field = f->fmt.pix.field; | |
965 | ||
966 | if (field == V4L2_FIELD_ANY) { | |
967 | // field=V4L2_FIELD_INTERLACED; | |
968 | field=V4L2_FIELD_SEQ_TB; | |
969 | } else if (V4L2_FIELD_INTERLACED != field) { | |
970 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); | |
971 | return -EINVAL; | |
972 | } | |
973 | ||
4475c044 | 974 | tm6000_get_std_res (dev); |
9701dc94 | 975 | |
4475c044 MCC |
976 | f->fmt.pix.width = dev->width; |
977 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
978 | |
979 | f->fmt.pix.width &= ~0x01; | |
980 | ||
981 | f->fmt.pix.field = field; | |
982 | ||
983 | f->fmt.pix.bytesperline = | |
984 | (f->fmt.pix.width * fmt->depth) >> 3; | |
985 | f->fmt.pix.sizeimage = | |
986 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
987 | ||
988 | return 0; | |
989 | } | |
990 | ||
991 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
2a8145d4 | 992 | static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, |
9701dc94 MCC |
993 | struct v4l2_format *f) |
994 | { | |
995 | struct tm6000_fh *fh=priv; | |
996 | struct tm6000_core *dev = fh->dev; | |
2a8145d4 | 997 | int ret = vidioc_try_fmt_vid_cap(file,fh,f); |
9701dc94 MCC |
998 | if (ret < 0) |
999 | return (ret); | |
1000 | ||
1001 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1002 | fh->width = f->fmt.pix.width; | |
1003 | fh->height = f->fmt.pix.height; | |
1004 | fh->vb_vidq.field = f->fmt.pix.field; | |
1005 | fh->type = f->type; | |
1006 | ||
1007 | dev->fourcc = f->fmt.pix.pixelformat; | |
1008 | ||
1009 | tm6000_set_fourcc_format(dev); | |
1010 | ||
1011 | return (0); | |
1012 | } | |
1013 | ||
1014 | static int vidioc_reqbufs (struct file *file, void *priv, | |
1015 | struct v4l2_requestbuffers *p) | |
1016 | { | |
1017 | struct tm6000_fh *fh=priv; | |
1018 | ||
1019 | return (videobuf_reqbufs(&fh->vb_vidq, p)); | |
1020 | } | |
1021 | ||
1022 | static int vidioc_querybuf (struct file *file, void *priv, | |
1023 | struct v4l2_buffer *p) | |
1024 | { | |
1025 | struct tm6000_fh *fh=priv; | |
1026 | ||
1027 | return (videobuf_querybuf(&fh->vb_vidq, p)); | |
1028 | } | |
1029 | ||
1030 | static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
1031 | { | |
1032 | struct tm6000_fh *fh=priv; | |
1033 | ||
1034 | return (videobuf_qbuf(&fh->vb_vidq, p)); | |
1035 | } | |
1036 | ||
1037 | static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
1038 | { | |
1039 | struct tm6000_fh *fh=priv; | |
1040 | ||
1041 | return (videobuf_dqbuf(&fh->vb_vidq, p, | |
1042 | file->f_flags & O_NONBLOCK)); | |
1043 | } | |
1044 | ||
1045 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1046 | static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) | |
1047 | { | |
1048 | struct tm6000_fh *fh=priv; | |
1049 | ||
1050 | return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); | |
1051 | } | |
1052 | #endif | |
1053 | ||
1054 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) | |
1055 | { | |
1056 | struct tm6000_fh *fh=priv; | |
1057 | struct tm6000_core *dev = fh->dev; | |
1058 | ||
1059 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1060 | return -EINVAL; | |
1061 | if (i != fh->type) | |
1062 | return -EINVAL; | |
1063 | ||
1064 | if (!res_get(dev,fh)) | |
1065 | return -EBUSY; | |
1066 | return (videobuf_streamon(&fh->vb_vidq)); | |
1067 | } | |
1068 | ||
1069 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1070 | { | |
1071 | struct tm6000_fh *fh=priv; | |
1072 | struct tm6000_core *dev = fh->dev; | |
1073 | ||
1074 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1075 | return -EINVAL; | |
1076 | if (i != fh->type) | |
1077 | return -EINVAL; | |
1078 | ||
1079 | videobuf_streamoff(&fh->vb_vidq); | |
1080 | res_free(dev,fh); | |
1081 | ||
1082 | return (0); | |
1083 | } | |
1084 | ||
1085 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) | |
1086 | { | |
1087 | int rc=0; | |
1088 | struct tm6000_fh *fh=priv; | |
1089 | struct tm6000_core *dev = fh->dev; | |
1090 | ||
1091 | rc=tm6000_set_standard (dev, norm); | |
71e7cfae MCC |
1092 | |
1093 | fh->width = dev->width; | |
1094 | fh->height = dev->height; | |
1095 | ||
9701dc94 MCC |
1096 | if (rc<0) |
1097 | return rc; | |
1098 | ||
427f7fac | 1099 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
9701dc94 MCC |
1100 | |
1101 | return 0; | |
1102 | } | |
1103 | ||
1104 | static int vidioc_enum_input (struct file *file, void *priv, | |
1105 | struct v4l2_input *inp) | |
1106 | { | |
1107 | switch (inp->index) { | |
1108 | case TM6000_INPUT_TV: | |
1109 | inp->type = V4L2_INPUT_TYPE_TUNER; | |
1110 | strcpy(inp->name,"Television"); | |
1111 | break; | |
1112 | case TM6000_INPUT_COMPOSITE: | |
1113 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1114 | strcpy(inp->name,"Composite"); | |
1115 | break; | |
1116 | case TM6000_INPUT_SVIDEO: | |
1117 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1118 | strcpy(inp->name,"S-Video"); | |
1119 | break; | |
1120 | default: | |
1121 | return -EINVAL; | |
1122 | } | |
1123 | inp->std = TM6000_STD; | |
1124 | ||
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) | |
1129 | { | |
1130 | struct tm6000_fh *fh=priv; | |
1131 | struct tm6000_core *dev = fh->dev; | |
1132 | ||
1133 | *i=dev->input; | |
1134 | ||
1135 | return 0; | |
1136 | } | |
1137 | static int vidioc_s_input (struct file *file, void *priv, unsigned int i) | |
1138 | { | |
1139 | struct tm6000_fh *fh=priv; | |
1140 | struct tm6000_core *dev = fh->dev; | |
1141 | int rc=0; | |
1142 | char buf[1]; | |
1143 | ||
1144 | switch (i) { | |
1145 | case TM6000_INPUT_TV: | |
1146 | dev->input=i; | |
1147 | *buf=0; | |
1148 | break; | |
1149 | case TM6000_INPUT_COMPOSITE: | |
1150 | case TM6000_INPUT_SVIDEO: | |
1151 | dev->input=i; | |
1152 | *buf=1; | |
1153 | break; | |
1154 | default: | |
1155 | return -EINVAL; | |
1156 | } | |
1157 | rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR, | |
1158 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); | |
1159 | ||
1160 | if (!rc) { | |
1161 | dev->input=i; | |
7c3f53ec | 1162 | rc=vidioc_s_std (file, priv, &dev->vfd->current_norm); |
9701dc94 MCC |
1163 | } |
1164 | ||
1165 | return (rc); | |
1166 | } | |
1167 | ||
1168 | /* --- controls ---------------------------------------------- */ | |
1169 | static int vidioc_queryctrl (struct file *file, void *priv, | |
1170 | struct v4l2_queryctrl *qc) | |
1171 | { | |
1172 | int i; | |
1173 | ||
1174 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1175 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1176 | memcpy(qc, &(tm6000_qctrl[i]), | |
1177 | sizeof(*qc)); | |
1178 | return (0); | |
1179 | } | |
1180 | ||
1181 | return -EINVAL; | |
1182 | } | |
1183 | ||
1184 | static int vidioc_g_ctrl (struct file *file, void *priv, | |
1185 | struct v4l2_control *ctrl) | |
1186 | { | |
1187 | struct tm6000_fh *fh=priv; | |
1188 | struct tm6000_core *dev = fh->dev; | |
1189 | int val; | |
1190 | ||
1191 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1192 | switch (ctrl->id) { | |
1193 | case V4L2_CID_CONTRAST: | |
9afec493 | 1194 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
9701dc94 MCC |
1195 | break; |
1196 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1197 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
9701dc94 MCC |
1198 | return 0; |
1199 | case V4L2_CID_SATURATION: | |
9afec493 | 1200 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
9701dc94 MCC |
1201 | return 0; |
1202 | case V4L2_CID_HUE: | |
9afec493 | 1203 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
9701dc94 MCC |
1204 | return 0; |
1205 | default: | |
1206 | return -EINVAL; | |
1207 | } | |
1208 | ||
1209 | if (val<0) | |
1210 | return val; | |
1211 | ||
1212 | ctrl->value=val; | |
1213 | ||
1214 | return 0; | |
1215 | } | |
1216 | static int vidioc_s_ctrl (struct file *file, void *priv, | |
1217 | struct v4l2_control *ctrl) | |
1218 | { | |
1219 | struct tm6000_fh *fh =priv; | |
1220 | struct tm6000_core *dev = fh->dev; | |
1221 | u8 val=ctrl->value; | |
1222 | ||
1223 | switch (ctrl->id) { | |
1224 | case V4L2_CID_CONTRAST: | |
9afec493 | 1225 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
9701dc94 MCC |
1226 | return 0; |
1227 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1228 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1229 | return 0; |
1230 | case V4L2_CID_SATURATION: | |
9afec493 | 1231 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1232 | return 0; |
1233 | case V4L2_CID_HUE: | |
9afec493 | 1234 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
9701dc94 MCC |
1235 | return 0; |
1236 | } | |
1237 | return -EINVAL; | |
1238 | } | |
1239 | ||
1240 | static int vidioc_g_tuner (struct file *file, void *priv, | |
1241 | struct v4l2_tuner *t) | |
1242 | { | |
1243 | struct tm6000_fh *fh =priv; | |
1244 | struct tm6000_core *dev = fh->dev; | |
1245 | ||
1246 | if (unlikely(UNSET == dev->tuner_type)) | |
1247 | return -EINVAL; | |
1248 | if (0 != t->index) | |
1249 | return -EINVAL; | |
1250 | ||
1251 | strcpy(t->name, "Television"); | |
1252 | t->type = V4L2_TUNER_ANALOG_TV; | |
1253 | t->capability = V4L2_TUNER_CAP_NORM; | |
1254 | t->rangehigh = 0xffffffffUL; | |
1255 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
1256 | ||
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | static int vidioc_s_tuner (struct file *file, void *priv, | |
1261 | struct v4l2_tuner *t) | |
1262 | { | |
1263 | struct tm6000_fh *fh =priv; | |
1264 | struct tm6000_core *dev = fh->dev; | |
1265 | ||
1266 | if (UNSET == dev->tuner_type) | |
1267 | return -EINVAL; | |
1268 | if (0 != t->index) | |
1269 | return -EINVAL; | |
1270 | ||
1271 | return 0; | |
1272 | } | |
1273 | ||
1274 | static int vidioc_g_frequency (struct file *file, void *priv, | |
1275 | struct v4l2_frequency *f) | |
1276 | { | |
1277 | struct tm6000_fh *fh =priv; | |
1278 | struct tm6000_core *dev = fh->dev; | |
1279 | ||
1280 | if (unlikely(UNSET == dev->tuner_type)) | |
1281 | return -EINVAL; | |
1282 | ||
1283 | f->type = V4L2_TUNER_ANALOG_TV; | |
1284 | f->frequency = dev->freq; | |
1285 | ||
427f7fac | 1286 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1287 | |
1288 | return 0; | |
1289 | } | |
1290 | ||
1291 | static int vidioc_s_frequency (struct file *file, void *priv, | |
1292 | struct v4l2_frequency *f) | |
1293 | { | |
1294 | struct tm6000_fh *fh =priv; | |
1295 | struct tm6000_core *dev = fh->dev; | |
1296 | ||
1297 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) | |
1298 | return -EINVAL; | |
1299 | ||
1300 | if (unlikely(UNSET == dev->tuner_type)) | |
1301 | return -EINVAL; | |
1302 | if (unlikely(f->tuner != 0)) | |
1303 | return -EINVAL; | |
1304 | ||
1305 | // mutex_lock(&dev->lock); | |
1306 | dev->freq = f->frequency; | |
64d339d4 | 1307 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1308 | // mutex_unlock(&dev->lock); |
1309 | ||
1310 | return 0; | |
1311 | } | |
1312 | ||
1313 | /* ------------------------------------------------------------------ | |
1314 | File operations for the device | |
1315 | ------------------------------------------------------------------*/ | |
1316 | ||
64d339d4 | 1317 | static int tm6000_open(struct file *file) |
9701dc94 | 1318 | { |
0a34df53 MCC |
1319 | struct video_device *vdev = video_devdata(file); |
1320 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 | 1321 | struct tm6000_fh *fh; |
e8d04167 | 1322 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
9701dc94 MCC |
1323 | int i,rc; |
1324 | ||
0a34df53 MCC |
1325 | printk(KERN_INFO "tm6000: open called (dev=%s)\n", |
1326 | video_device_node_name(vdev)); | |
7c3f53ec | 1327 | |
0a34df53 MCC |
1328 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1329 | video_device_node_name(vdev)); | |
9701dc94 | 1330 | |
9701dc94 MCC |
1331 | |
1332 | /* If more than one user, mutex should be added */ | |
1333 | dev->users++; | |
1334 | ||
0a34df53 MCC |
1335 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1336 | video_device_node_name(vdev), v4l2_type_names[type], | |
1337 | dev->users); | |
9701dc94 MCC |
1338 | |
1339 | /* allocate + initialize per filehandle data */ | |
1340 | fh = kzalloc(sizeof(*fh),GFP_KERNEL); | |
1341 | if (NULL == fh) { | |
1342 | dev->users--; | |
1343 | return -ENOMEM; | |
1344 | } | |
1345 | ||
1346 | file->private_data = fh; | |
1347 | fh->dev = dev; | |
1348 | ||
1349 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1350 | dev->fourcc = format[0].fourcc; | |
1351 | ||
1352 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 MCC |
1353 | |
1354 | tm6000_get_std_res (dev); | |
1355 | ||
1356 | fh->width = dev->width; | |
1357 | fh->height = dev->height; | |
9701dc94 MCC |
1358 | |
1359 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1360 | "dev->vidq=0x%08lx\n", | |
1361 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); | |
1362 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1363 | "queued=%d\n",list_empty(&dev->vidq.queued)); | |
1364 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1365 | "active=%d\n",list_empty(&dev->vidq.active)); | |
1366 | ||
1367 | /* initialize hardware on analog mode */ | |
1368 | if (dev->mode!=TM6000_MODE_ANALOG) { | |
1369 | rc=tm6000_init_analog_mode (dev); | |
1370 | if (rc<0) | |
1371 | return rc; | |
1372 | ||
1373 | /* Put all controls at a sane state */ | |
1374 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1375 | qctl_regs[i] =tm6000_qctrl[i].default_value; | |
1376 | ||
1377 | dev->mode=TM6000_MODE_ANALOG; | |
1378 | } | |
1379 | ||
1380 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1381 | NULL, &dev->slock, | |
1382 | fh->type, | |
1383 | V4L2_FIELD_INTERLACED, | |
1384 | sizeof(struct tm6000_buffer),fh); | |
1385 | ||
1386 | return 0; | |
1387 | } | |
1388 | ||
1389 | static ssize_t | |
1390 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1391 | { | |
1392 | struct tm6000_fh *fh = file->private_data; | |
1393 | ||
1394 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1395 | if (res_locked(fh->dev)) | |
1396 | return -EBUSY; | |
1397 | ||
1398 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
1399 | file->f_flags & O_NONBLOCK); | |
1400 | } | |
1401 | return 0; | |
1402 | } | |
1403 | ||
1404 | static unsigned int | |
1405 | tm6000_poll(struct file *file, struct poll_table_struct *wait) | |
1406 | { | |
1407 | struct tm6000_fh *fh = file->private_data; | |
1408 | struct tm6000_buffer *buf; | |
1409 | ||
1410 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1411 | return POLLERR; | |
1412 | ||
1413 | if (res_get(fh->dev,fh)) { | |
1414 | /* streaming capture */ | |
1415 | if (list_empty(&fh->vb_vidq.stream)) | |
1416 | return POLLERR; | |
1417 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); | |
1418 | } else { | |
1419 | /* read() capture */ | |
dc6a02aa MCC |
1420 | return videobuf_poll_stream(file, &fh->vb_vidq, |
1421 | wait); | |
9701dc94 MCC |
1422 | } |
1423 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1424 | if (buf->vb.state == VIDEOBUF_DONE || |
1425 | buf->vb.state == VIDEOBUF_ERROR) | |
9701dc94 MCC |
1426 | return POLLIN|POLLRDNORM; |
1427 | return 0; | |
1428 | } | |
1429 | ||
64d339d4 | 1430 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1431 | { |
1432 | struct tm6000_fh *fh = file->private_data; | |
1433 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1434 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1435 | |
0a34df53 MCC |
1436 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1437 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1438 | |
a58d35cb MCC |
1439 | dev->users--; |
1440 | ||
1441 | if (!dev->users) { | |
c144c037 | 1442 | tm6000_uninit_isoc(dev); |
a58d35cb MCC |
1443 | videobuf_mmap_free(&fh->vb_vidq); |
1444 | } | |
9701dc94 MCC |
1445 | |
1446 | kfree (fh); | |
1447 | ||
9701dc94 MCC |
1448 | return 0; |
1449 | } | |
1450 | ||
1451 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1452 | { | |
1453 | struct tm6000_fh *fh = file->private_data; | |
1454 | int ret; | |
1455 | ||
1456 | ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1457 | ||
1458 | return ret; | |
1459 | } | |
1460 | ||
64d339d4 | 1461 | static struct v4l2_file_operations tm6000_fops = { |
9701dc94 MCC |
1462 | .owner = THIS_MODULE, |
1463 | .open = tm6000_open, | |
1464 | .release = tm6000_release, | |
1465 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
1466 | .read = tm6000_read, | |
1467 | .poll = tm6000_poll, | |
1468 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1469 | }; |
1470 | ||
2a8145d4 MCC |
1471 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1472 | .vidioc_querycap = vidioc_querycap, | |
1473 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1474 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1475 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1476 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1477 | .vidioc_s_std = vidioc_s_std, | |
1478 | .vidioc_enum_input = vidioc_enum_input, | |
1479 | .vidioc_g_input = vidioc_g_input, | |
1480 | .vidioc_s_input = vidioc_s_input, | |
1481 | .vidioc_queryctrl = vidioc_queryctrl, | |
1482 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1483 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1484 | .vidioc_g_tuner = vidioc_g_tuner, | |
1485 | .vidioc_s_tuner = vidioc_s_tuner, | |
1486 | .vidioc_g_frequency = vidioc_g_frequency, | |
1487 | .vidioc_s_frequency = vidioc_s_frequency, | |
1488 | .vidioc_streamon = vidioc_streamon, | |
1489 | .vidioc_streamoff = vidioc_streamoff, | |
1490 | .vidioc_reqbufs = vidioc_reqbufs, | |
1491 | .vidioc_querybuf = vidioc_querybuf, | |
1492 | .vidioc_qbuf = vidioc_qbuf, | |
1493 | .vidioc_dqbuf = vidioc_dqbuf, | |
1494 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1495 | .vidiocgmbuf = vidiocgmbuf, | |
1496 | #endif | |
1497 | }; | |
1498 | ||
9701dc94 MCC |
1499 | static struct video_device tm6000_template = { |
1500 | .name = "tm6000", | |
9701dc94 | 1501 | .fops = &tm6000_fops, |
2a8145d4 | 1502 | .ioctl_ops = &video_ioctl_ops, |
9701dc94 | 1503 | .release = video_device_release, |
2a8145d4 MCC |
1504 | .tvnorms = TM6000_STD, |
1505 | .current_norm = V4L2_STD_NTSC_M, | |
9701dc94 | 1506 | }; |
2a8145d4 | 1507 | |
9701dc94 MCC |
1508 | /* ----------------------------------------------------------------- |
1509 | Initialization and module stuff | |
1510 | ------------------------------------------------------------------*/ | |
1511 | ||
1512 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1513 | { | |
7c3f53ec ML |
1514 | int ret = -1; |
1515 | struct video_device *vfd; | |
1516 | ||
1517 | vfd = video_device_alloc(); | |
1518 | if(!vfd) { | |
1519 | return -ENOMEM; | |
1520 | } | |
1521 | dev->vfd = vfd; | |
9701dc94 | 1522 | |
9701dc94 MCC |
1523 | /* init video dma queues */ |
1524 | INIT_LIST_HEAD(&dev->vidq.active); | |
1525 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1526 | ||
7c3f53ec ML |
1527 | memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); |
1528 | dev->vfd->debug=tm6000_debug; | |
427f7fac | 1529 | vfd->v4l2_dev = &dev->v4l2_dev; |
e8d04167 | 1530 | video_set_drvdata(vfd, dev); |
9701dc94 | 1531 | |
7c3f53ec | 1532 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
e28f49b0 | 1533 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 MCC |
1534 | return ret; |
1535 | } | |
1536 | ||
1537 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1538 | { | |
7c3f53ec | 1539 | video_unregister_device(dev->vfd); |
22927e8e | 1540 | |
9701dc94 MCC |
1541 | return 0; |
1542 | } | |
1543 | ||
1544 | int tm6000_v4l2_exit(void) | |
1545 | { | |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | module_param(video_nr, int, 0); | |
1550 | MODULE_PARM_DESC(video_nr,"Allow changing video device number"); | |
1551 | ||
1552 | module_param_named (debug, tm6000_debug, int, 0444); | |
1553 | MODULE_PARM_DESC(debug,"activates debug info"); | |
1554 | ||
1555 | module_param(vid_limit,int,0644); | |
1556 | MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); | |
1557 |