Commit | Line | Data |
---|---|---|
9701dc94 | 1 | /* |
60fbfdfd RP |
2 | * tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices |
3 | * | |
4 | * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> | |
5 | * | |
6 | * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> | |
7 | * - Fixed module load/unload | |
8 | * | |
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. | |
9701dc94 MCC |
21 | */ |
22 | #include <linux/module.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/errno.h> | |
25 | #include <linux/fs.h> | |
26 | #include <linux/kernel.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/mm.h> | |
29 | #include <linux/ioport.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/sched.h> | |
32 | #include <linux/random.h> | |
33 | #include <linux/version.h> | |
34 | #include <linux/usb.h> | |
35 | #include <linux/videodev2.h> | |
2a8145d4 | 36 | #include <media/v4l2-ioctl.h> |
9701dc94 MCC |
37 | #include <linux/interrupt.h> |
38 | #include <linux/kthread.h> | |
39 | #include <linux/highmem.h> | |
40 | #include <linux/freezer.h> | |
41 | ||
42 | #include "tm6000-regs.h" | |
43 | #include "tm6000.h" | |
44 | ||
45 | #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ | |
46 | ||
95a83824 ML |
47 | /* Limits minimum and default number of buffers */ |
48 | #define TM6000_MIN_BUF 4 | |
49 | #define TM6000_DEF_BUF 8 | |
50 | ||
5a4b55e2 | 51 | #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ |
ee1fc07c | 52 | |
9701dc94 MCC |
53 | /* Declare static vars that will be used as parameters */ |
54 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
55 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
56 | ||
9701dc94 MCC |
57 | /* Debug level */ |
58 | int tm6000_debug; | |
faa7c134 | 59 | EXPORT_SYMBOL_GPL(tm6000_debug); |
9701dc94 MCC |
60 | |
61 | /* supported controls */ | |
62 | static struct v4l2_queryctrl tm6000_qctrl[] = { | |
63 | { | |
64 | .id = V4L2_CID_BRIGHTNESS, | |
65 | .type = V4L2_CTRL_TYPE_INTEGER, | |
66 | .name = "Brightness", | |
67 | .minimum = 0, | |
68 | .maximum = 255, | |
69 | .step = 1, | |
70 | .default_value = 54, | |
71 | .flags = 0, | |
72 | }, { | |
73 | .id = V4L2_CID_CONTRAST, | |
74 | .type = V4L2_CTRL_TYPE_INTEGER, | |
75 | .name = "Contrast", | |
76 | .minimum = 0, | |
77 | .maximum = 255, | |
78 | .step = 0x1, | |
79 | .default_value = 119, | |
80 | .flags = 0, | |
81 | }, { | |
82 | .id = V4L2_CID_SATURATION, | |
83 | .type = V4L2_CTRL_TYPE_INTEGER, | |
84 | .name = "Saturation", | |
85 | .minimum = 0, | |
86 | .maximum = 255, | |
87 | .step = 0x1, | |
88 | .default_value = 112, | |
89 | .flags = 0, | |
90 | }, { | |
91 | .id = V4L2_CID_HUE, | |
92 | .type = V4L2_CTRL_TYPE_INTEGER, | |
93 | .name = "Hue", | |
94 | .minimum = -128, | |
95 | .maximum = 127, | |
96 | .step = 0x1, | |
c4acf48c | 97 | .default_value = 0, |
9701dc94 MCC |
98 | .flags = 0, |
99 | } | |
100 | }; | |
101 | ||
102 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; | |
103 | ||
104 | static struct tm6000_fmt format[] = { | |
105 | { | |
106 | .name = "4:2:2, packed, YVY2", | |
107 | .fourcc = V4L2_PIX_FMT_YUYV, | |
108 | .depth = 16, | |
c4acf48c | 109 | }, { |
9701dc94 MCC |
110 | .name = "4:2:2, packed, UYVY", |
111 | .fourcc = V4L2_PIX_FMT_UYVY, | |
112 | .depth = 16, | |
c4acf48c | 113 | }, { |
9701dc94 MCC |
114 | .name = "A/V + VBI mux packet", |
115 | .fourcc = V4L2_PIX_FMT_TM6000, | |
116 | .depth = 16, | |
117 | } | |
118 | }; | |
119 | ||
9701dc94 | 120 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
121 | * DMA and thread functions |
122 | * ------------------------------------------------------------------ | |
123 | */ | |
9701dc94 MCC |
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); | |
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 | */ | |
4b6ed9fd SR |
189 | static int copy_streams(u8 *data, unsigned long len, |
190 | struct urb *urb) | |
e2c9500d MCC |
191 | { |
192 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
193 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
194 | u8 *ptr = data, *endp = data+len, c; | |
195 | unsigned long header = 0; | |
196 | int rc = 0; | |
83cb9a50 SR |
197 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
198 | struct tm6000_buffer *vbuf; | |
199 | char *voutp = NULL; | |
200 | unsigned int linewidth; | |
201 | ||
202 | /* get video buffer */ | |
60fbfdfd | 203 | get_next_buf(dma_q, &vbuf); |
83cb9a50 SR |
204 | if (!vbuf) |
205 | return rc; | |
206 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
207 | if (!voutp) | |
4b6ed9fd | 208 | return 0; |
ed0236af | 209 | |
83cb9a50 | 210 | for (ptr = data; ptr < endp;) { |
ed0236af | 211 | if (!dev->isoc_ctl.cmd) { |
83cb9a50 SR |
212 | /* Header */ |
213 | if (dev->isoc_ctl.tmp_buf_len > 0) { | |
214 | /* from last urb or packet */ | |
215 | header = dev->isoc_ctl.tmp_buf; | |
216 | if (4 - dev->isoc_ctl.tmp_buf_len > 0) { | |
60fbfdfd | 217 | memcpy((u8 *)&header + |
801dd3b3 | 218 | dev->isoc_ctl.tmp_buf_len, |
ed0236af | 219 | ptr, |
801dd3b3 MCC |
220 | 4 - dev->isoc_ctl.tmp_buf_len); |
221 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; | |
ed0236af | 222 | } |
83cb9a50 SR |
223 | dev->isoc_ctl.tmp_buf_len = 0; |
224 | } else { | |
225 | if (ptr + 3 >= endp) { | |
226 | /* have incomplete header */ | |
227 | dev->isoc_ctl.tmp_buf_len = endp - ptr; | |
60fbfdfd | 228 | memcpy(&dev->isoc_ctl.tmp_buf, ptr, |
83cb9a50 SR |
229 | dev->isoc_ctl.tmp_buf_len); |
230 | return rc; | |
231 | } | |
232 | /* Seek for sync */ | |
233 | for (; ptr < endp - 3; ptr++) { | |
234 | if (*(ptr + 3) == 0x47) | |
235 | break; | |
236 | } | |
237 | /* Get message header */ | |
238 | header = *(unsigned long *)ptr; | |
239 | ptr += 4; | |
ed0236af | 240 | } |
23ba9463 | 241 | |
83cb9a50 SR |
242 | /* split the header fields */ |
243 | c = (header >> 24) & 0xff; | |
244 | size = ((header & 0x7e) << 1); | |
245 | if (size > 0) | |
246 | size -= 4; | |
247 | block = (header >> 7) & 0xf; | |
248 | field = (header >> 11) & 0x1; | |
249 | line = (header >> 12) & 0x1ff; | |
250 | cmd = (header >> 21) & 0x7; | |
251 | /* Validates haeder fields */ | |
252 | if (size > TM6000_URB_MSG_LEN) | |
253 | size = TM6000_URB_MSG_LEN; | |
254 | pktsize = TM6000_URB_MSG_LEN; | |
255 | /* calculate position in buffer | |
256 | * and change the buffer | |
257 | */ | |
258 | switch (cmd) { | |
259 | case TM6000_URB_MSG_VIDEO: | |
260 | if ((dev->isoc_ctl.vfield != field) && | |
261 | (field == 1)) { | |
262 | /* Announces that a new buffer | |
263 | * were filled | |
264 | */ | |
60fbfdfd RP |
265 | buffer_filled(dev, dma_q, vbuf); |
266 | dprintk(dev, V4L2_DEBUG_ISOC, | |
83cb9a50 | 267 | "new buffer filled\n"); |
60fbfdfd | 268 | get_next_buf(dma_q, &vbuf); |
83cb9a50 SR |
269 | if (!vbuf) |
270 | return rc; | |
60fbfdfd | 271 | voutp = videobuf_to_vmalloc(&vbuf->vb); |
83cb9a50 SR |
272 | if (!voutp) |
273 | return rc; | |
758bb0b3 | 274 | memset(voutp, 0, vbuf->vb.size); |
83cb9a50 SR |
275 | } |
276 | linewidth = vbuf->vb.width << 1; | |
277 | pos = ((line << 1) - field - 1) * linewidth + | |
278 | block * TM6000_URB_MSG_LEN; | |
279 | /* Don't allow to write out of the buffer */ | |
280 | if (pos + size > vbuf->vb.size) | |
281 | cmd = TM6000_URB_MSG_ERR; | |
282 | dev->isoc_ctl.vfield = field; | |
283 | break; | |
83cb9a50 | 284 | case TM6000_URB_MSG_VBI: |
23ba9463 MCC |
285 | break; |
286 | case TM6000_URB_MSG_AUDIO: | |
83cb9a50 | 287 | case TM6000_URB_MSG_PTS: |
d0669c87 | 288 | size = pktsize; /* Size is always 180 bytes */ |
83cb9a50 | 289 | break; |
9701dc94 | 290 | } |
83cb9a50 SR |
291 | } else { |
292 | /* Continue the last copy */ | |
293 | cmd = dev->isoc_ctl.cmd; | |
294 | size = dev->isoc_ctl.size; | |
295 | pos = dev->isoc_ctl.pos; | |
296 | pktsize = dev->isoc_ctl.pktsize; | |
297 | } | |
298 | cpysize = (endp - ptr > size) ? size : endp - ptr; | |
299 | if (cpysize) { | |
300 | /* copy data in different buffers */ | |
301 | switch (cmd) { | |
302 | case TM6000_URB_MSG_VIDEO: | |
303 | /* Fills video buffer */ | |
304 | if (vbuf) | |
60fbfdfd | 305 | memcpy(&voutp[pos], ptr, cpysize); |
83cb9a50 SR |
306 | break; |
307 | case TM6000_URB_MSG_AUDIO: | |
73f4d265 DB |
308 | /* Need some code to copy audio buffer */ |
309 | if (dev->fourcc == V4L2_PIX_FMT_YUYV) { | |
310 | /* Swap word bytes */ | |
311 | int i; | |
312 | ||
313 | for (i = 0; i < cpysize; i += 2) | |
314 | swab16s((u16 *)(ptr + i)); | |
315 | } | |
b17b8699 | 316 | tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); |
83cb9a50 SR |
317 | break; |
318 | case TM6000_URB_MSG_VBI: | |
319 | /* Need some code to copy vbi buffer */ | |
320 | break; | |
321 | case TM6000_URB_MSG_PTS: | |
322 | /* Need some code to copy pts */ | |
323 | break; | |
cc6c60d9 | 324 | } |
ed0236af | 325 | } |
ccfb3028 | 326 | if (ptr + pktsize > endp) { |
83cb9a50 SR |
327 | /* End of URB packet, but cmd processing is not |
328 | * complete. Preserve the state for a next packet | |
329 | */ | |
330 | dev->isoc_ctl.pos = pos + cpysize; | |
331 | dev->isoc_ctl.size = size - cpysize; | |
332 | dev->isoc_ctl.cmd = cmd; | |
333 | dev->isoc_ctl.pktsize = pktsize - (endp - ptr); | |
ccfb3028 | 334 | ptr += endp - ptr; |
83cb9a50 SR |
335 | } else { |
336 | dev->isoc_ctl.cmd = 0; | |
337 | ptr += pktsize; | |
a228618c | 338 | } |
9701dc94 | 339 | } |
a228618c | 340 | return 0; |
9701dc94 | 341 | } |
83cb9a50 | 342 | |
9701dc94 MCC |
343 | /* |
344 | * Identify the tm5600/6000 buffer header type and properly handles | |
345 | */ | |
4b6ed9fd SR |
346 | static int copy_multiplexed(u8 *ptr, unsigned long len, |
347 | struct urb *urb) | |
9701dc94 MCC |
348 | { |
349 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
350 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
351 | unsigned int pos = dev->isoc_ctl.pos, cpysize; | |
352 | int rc = 1; | |
4b6ed9fd SR |
353 | struct tm6000_buffer *buf; |
354 | char *outp = NULL; | |
355 | ||
356 | get_next_buf(dma_q, &buf); | |
357 | if (buf) | |
358 | outp = videobuf_to_vmalloc(&buf->vb); | |
359 | ||
360 | if (!outp) | |
361 | return 0; | |
ed0236af | 362 | |
60fbfdfd RP |
363 | while (len > 0) { |
364 | cpysize = min(len, buf->vb.size-pos); | |
4b6ed9fd | 365 | memcpy(&outp[pos], ptr, cpysize); |
60fbfdfd RP |
366 | pos += cpysize; |
367 | ptr += cpysize; | |
368 | len -= cpysize; | |
4b6ed9fd | 369 | if (pos >= buf->vb.size) { |
60fbfdfd | 370 | pos = 0; |
9701dc94 | 371 | /* Announces that a new buffer were filled */ |
60fbfdfd | 372 | buffer_filled(dev, dma_q, buf); |
5f796752 | 373 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
60fbfdfd | 374 | get_next_buf(dma_q, &buf); |
4b6ed9fd | 375 | if (!buf) |
9701dc94 | 376 | break; |
4b6ed9fd SR |
377 | outp = videobuf_to_vmalloc(&(buf->vb)); |
378 | if (!outp) | |
e8a4845d MCC |
379 | return rc; |
380 | pos = 0; | |
9701dc94 MCC |
381 | } |
382 | } | |
383 | ||
60fbfdfd | 384 | dev->isoc_ctl.pos = pos; |
9701dc94 MCC |
385 | return rc; |
386 | } | |
387 | ||
60fbfdfd | 388 | static inline void print_err_status(struct tm6000_core *dev, |
ed0236af | 389 | int packet, int status) |
5f796752 MCC |
390 | { |
391 | char *errmsg = "Unknown"; | |
392 | ||
60fbfdfd | 393 | switch (status) { |
5f796752 MCC |
394 | case -ENOENT: |
395 | errmsg = "unlinked synchronuously"; | |
396 | break; | |
397 | case -ECONNRESET: | |
398 | errmsg = "unlinked asynchronuously"; | |
399 | break; | |
400 | case -ENOSR: | |
401 | errmsg = "Buffer error (overrun)"; | |
402 | break; | |
403 | case -EPIPE: | |
404 | errmsg = "Stalled (device not responding)"; | |
405 | break; | |
406 | case -EOVERFLOW: | |
407 | errmsg = "Babble (bad cable?)"; | |
408 | break; | |
409 | case -EPROTO: | |
410 | errmsg = "Bit-stuff error (bad cable?)"; | |
411 | break; | |
412 | case -EILSEQ: | |
413 | errmsg = "CRC/Timeout (could be anything)"; | |
414 | break; | |
415 | case -ETIME: | |
416 | errmsg = "Device does not respond"; | |
417 | break; | |
418 | } | |
60fbfdfd | 419 | if (packet < 0) { |
5f796752 MCC |
420 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
421 | status, errmsg); | |
422 | } else { | |
ed0236af | 423 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
424 | packet, status, errmsg); |
425 | } | |
426 | } | |
427 | ||
428 | ||
9701dc94 MCC |
429 | /* |
430 | * Controls the isoc copy of each urb packet | |
431 | */ | |
e8a4845d | 432 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
433 | { |
434 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
435 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
436 | int i, len = 0, rc = 1, status; | |
4b6ed9fd | 437 | char *p; |
9701dc94 | 438 | |
4b6ed9fd | 439 | if (urb->status < 0) { |
60fbfdfd | 440 | print_err_status(dev, -1, urb->status); |
5f796752 MCC |
441 | return 0; |
442 | } | |
9701dc94 MCC |
443 | |
444 | for (i = 0; i < urb->number_of_packets; i++) { | |
4b6ed9fd | 445 | status = urb->iso_frame_desc[i].status; |
9701dc94 | 446 | |
60fbfdfd RP |
447 | if (status < 0) { |
448 | print_err_status(dev, i, status); | |
9701dc94 | 449 | continue; |
5f796752 | 450 | } |
9701dc94 | 451 | |
4b6ed9fd | 452 | len = urb->iso_frame_desc[i].actual_length; |
ed0236af | 453 | |
4b6ed9fd SR |
454 | if (len > 0) { |
455 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ed0236af | 456 | if (!urb->iso_frame_desc[i].status) { |
60fbfdfd RP |
457 | if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) { |
458 | rc = copy_multiplexed(p, len, urb); | |
459 | if (rc <= 0) | |
ed0236af MCC |
460 | return rc; |
461 | } else { | |
4b6ed9fd | 462 | copy_streams(p, len, urb); |
ed0236af MCC |
463 | } |
464 | } | |
4b6ed9fd | 465 | } |
9701dc94 | 466 | } |
9701dc94 MCC |
467 | return rc; |
468 | } | |
469 | ||
470 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
471 | * URB control |
472 | * ------------------------------------------------------------------ | |
473 | */ | |
9701dc94 MCC |
474 | |
475 | /* | |
476 | * IRQ callback, called by URB callback | |
477 | */ | |
478 | static void tm6000_irq_callback(struct urb *urb) | |
479 | { | |
9701dc94 | 480 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 481 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 482 | int i; |
9701dc94 | 483 | |
721f507b MCC |
484 | if (!dev) |
485 | return; | |
a228618c | 486 | |
e8a4845d MCC |
487 | spin_lock(&dev->slock); |
488 | tm6000_isoc_copy(urb); | |
489 | spin_unlock(&dev->slock); | |
9701dc94 | 490 | |
e8a4845d MCC |
491 | /* Reset urb buffers */ |
492 | for (i = 0; i < urb->number_of_packets; i++) { | |
493 | urb->iso_frame_desc[i].status = 0; | |
494 | urb->iso_frame_desc[i].actual_length = 0; | |
495 | } | |
9701dc94 | 496 | |
c4acf48c MCC |
497 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
498 | if (urb->status) | |
9701dc94 MCC |
499 | tm6000_err("urb resubmit failed (error=%i)\n", |
500 | urb->status); | |
9701dc94 MCC |
501 | } |
502 | ||
503 | /* | |
504 | * Stop and Deallocate URBs | |
505 | */ | |
506 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
507 | { | |
508 | struct urb *urb; | |
509 | int i; | |
510 | ||
ee1fc07c | 511 | dev->isoc_ctl.buf = NULL; |
9701dc94 | 512 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
60fbfdfd | 513 | urb = dev->isoc_ctl.urb[i]; |
9701dc94 MCC |
514 | if (urb) { |
515 | usb_kill_urb(urb); | |
516 | usb_unlink_urb(urb); | |
517 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
5a11b6fe | 518 | usb_free_coherent(dev->udev, |
9701dc94 MCC |
519 | urb->transfer_buffer_length, |
520 | dev->isoc_ctl.transfer_buffer[i], | |
521 | urb->transfer_dma); | |
522 | } | |
523 | usb_free_urb(urb); | |
524 | dev->isoc_ctl.urb[i] = NULL; | |
525 | } | |
526 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
527 | } | |
528 | ||
60fbfdfd RP |
529 | kfree(dev->isoc_ctl.urb); |
530 | kfree(dev->isoc_ctl.transfer_buffer); | |
c144c037 | 531 | |
60fbfdfd RP |
532 | dev->isoc_ctl.urb = NULL; |
533 | dev->isoc_ctl.transfer_buffer = NULL; | |
c144c037 | 534 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
535 | } |
536 | ||
9701dc94 MCC |
537 | /* |
538 | * Allocate URBs and start IRQ | |
539 | */ | |
ee1fc07c | 540 | static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) |
9701dc94 MCC |
541 | { |
542 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
5a4b55e2 | 543 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 8; |
9701dc94 | 544 | struct urb *urb; |
204193d9 | 545 | |
9701dc94 MCC |
546 | /* De-allocates all pending stuff */ |
547 | tm6000_uninit_isoc(dev); | |
641d2116 DB |
548 | /* Stop interrupt USB pipe */ |
549 | tm6000_ir_int_stop(dev); | |
9701dc94 | 550 | |
6ae635c4 MCC |
551 | usb_set_interface(dev->udev, |
552 | dev->isoc_in.bInterfaceNumber, | |
553 | dev->isoc_in.bAlternateSetting); | |
554 | ||
641d2116 DB |
555 | /* Start interrupt USB pipe */ |
556 | tm6000_ir_int_start(dev); | |
557 | ||
ee1fc07c | 558 | pipe = usb_rcvisocpipe(dev->udev, |
6ae635c4 | 559 | dev->isoc_in.endp->desc.bEndpointAddress & |
ee1fc07c MCC |
560 | USB_ENDPOINT_NUMBER_MASK); |
561 | ||
562 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
563 | ||
6ae635c4 MCC |
564 | if (size > dev->isoc_in.maxsize) |
565 | size = dev->isoc_in.maxsize; | |
ee1fc07c MCC |
566 | |
567 | dev->isoc_ctl.max_pkt_size = size; | |
568 | ||
60fbfdfd | 569 | max_packets = (framesize + size - 1) / size; |
ee1fc07c MCC |
570 | |
571 | if (max_packets > TM6000_MAX_ISO_PACKETS) | |
572 | max_packets = TM6000_MAX_ISO_PACKETS; | |
573 | ||
574 | sb_size = max_packets * size; | |
575 | ||
576 | dev->isoc_ctl.num_bufs = num_bufs; | |
577 | ||
c144c037 | 578 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
579 | if (!dev->isoc_ctl.urb) { |
580 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
581 | return -ENOMEM; | |
582 | } | |
583 | ||
ee1fc07c | 584 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 585 | GFP_KERNEL); |
f8960ee7 | 586 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
587 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
588 | kfree(dev->isoc_ctl.urb); | |
589 | return -ENOMEM; | |
590 | } | |
591 | ||
ee1fc07c MCC |
592 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
593 | " (%d bytes) of %d bytes each to handle %u size\n", | |
594 | max_packets, num_bufs, sb_size, | |
6ae635c4 | 595 | dev->isoc_in.maxsize, size); |
9701dc94 MCC |
596 | |
597 | /* allocate urbs and transfer buffers */ | |
598 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
599 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
600 | if (!urb) { | |
601 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
602 | tm6000_uninit_isoc(dev); | |
c1a16414 | 603 | usb_free_urb(urb); |
9701dc94 MCC |
604 | return -ENOMEM; |
605 | } | |
606 | dev->isoc_ctl.urb[i] = urb; | |
607 | ||
5a11b6fe | 608 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, |
c13dd704 | 609 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
9701dc94 | 610 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
60fbfdfd | 611 | tm6000_err("unable to allocate %i bytes for transfer" |
a228618c MCC |
612 | " buffer %i%s\n", |
613 | sb_size, i, | |
60fbfdfd | 614 | in_interrupt() ? " while in int" : ""); |
9701dc94 MCC |
615 | tm6000_uninit_isoc(dev); |
616 | return -ENOMEM; | |
617 | } | |
618 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
619 | ||
ee1fc07c MCC |
620 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
621 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
622 | tm6000_irq_callback, dma_q); | |
6ae635c4 | 623 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
9701dc94 | 624 | urb->number_of_packets = max_packets; |
ee1fc07c | 625 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 626 | |
9701dc94 | 627 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
628 | urb->iso_frame_desc[j].offset = size * j; |
629 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
630 | } |
631 | } | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
60fbfdfd | 636 | static int tm6000_start_thread(struct tm6000_core *dev) |
9701dc94 | 637 | { |
c144c037 MCC |
638 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
639 | int i; | |
9701dc94 | 640 | |
60fbfdfd RP |
641 | dma_q->frame = 0; |
642 | dma_q->ini_jiffies = jiffies; | |
9701dc94 MCC |
643 | |
644 | init_waitqueue_head(&dma_q->wq); | |
645 | ||
646 | /* submit urbs and enables IRQ */ | |
647 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 648 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
649 | if (rc) { |
650 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
651 | rc); | |
652 | tm6000_uninit_isoc(dev); | |
653 | return rc; | |
654 | } | |
655 | } | |
656 | ||
9701dc94 MCC |
657 | return 0; |
658 | } | |
659 | ||
9701dc94 | 660 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
661 | * Videobuf operations |
662 | * ------------------------------------------------------------------ | |
663 | */ | |
95a83824 | 664 | |
9701dc94 MCC |
665 | static int |
666 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
667 | { | |
668 | struct tm6000_fh *fh = vq->priv_data; | |
669 | ||
670 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
671 | if (0 == *count) | |
95a83824 ML |
672 | *count = TM6000_DEF_BUF; |
673 | ||
60fbfdfd RP |
674 | if (*count < TM6000_MIN_BUF) |
675 | *count = TM6000_MIN_BUF; | |
95a83824 | 676 | |
9701dc94 MCC |
677 | while (*size * *count > vid_limit * 1024 * 1024) |
678 | (*count)--; | |
95a83824 | 679 | |
9701dc94 MCC |
680 | return 0; |
681 | } | |
682 | ||
683 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
684 | { | |
721f507b MCC |
685 | struct tm6000_fh *fh = vq->priv_data; |
686 | struct tm6000_core *dev = fh->dev; | |
687 | unsigned long flags; | |
688 | ||
9701dc94 MCC |
689 | if (in_interrupt()) |
690 | BUG(); | |
691 | ||
721f507b MCC |
692 | /* We used to wait for the buffer to finish here, but this didn't work |
693 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
694 | videobuf_queue_cancel marked it as finished for us. | |
695 | (Also, it could wedge forever if the hardware was misconfigured.) | |
696 | ||
697 | This should be safe; by the time we get here, the buffer isn't | |
698 | queued anymore. If we ever start marking the buffers as | |
699 | VIDEOBUF_ACTIVE, it won't be, though. | |
700 | */ | |
701 | spin_lock_irqsave(&dev->slock, flags); | |
702 | if (dev->isoc_ctl.buf == buf) | |
703 | dev->isoc_ctl.buf = NULL; | |
704 | spin_unlock_irqrestore(&dev->slock, flags); | |
705 | ||
9701dc94 | 706 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 707 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
708 | } |
709 | ||
710 | static int | |
711 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
712 | enum v4l2_field field) | |
713 | { | |
714 | struct tm6000_fh *fh = vq->priv_data; | |
60fbfdfd | 715 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 716 | struct tm6000_core *dev = fh->dev; |
204193d9 | 717 | int rc = 0, urb_init = 0; |
9701dc94 MCC |
718 | |
719 | BUG_ON(NULL == fh->fmt); | |
720 | ||
9701dc94 MCC |
721 | |
722 | /* FIXME: It assumes depth=2 */ | |
723 | /* The only currently supported format is 16 bits/pixel */ | |
724 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
725 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
726 | return -EINVAL; | |
727 | ||
728 | if (buf->fmt != fh->fmt || | |
729 | buf->vb.width != fh->width || | |
730 | buf->vb.height != fh->height || | |
731 | buf->vb.field != field) { | |
732 | buf->fmt = fh->fmt; | |
733 | buf->vb.width = fh->width; | |
734 | buf->vb.height = fh->height; | |
735 | buf->vb.field = field; | |
47878f16 | 736 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
737 | } |
738 | ||
47878f16 | 739 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ee1fc07c | 740 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
9701dc94 | 741 | goto fail; |
ee1fc07c | 742 | urb_init = 1; |
9701dc94 MCC |
743 | } |
744 | ||
9701dc94 | 745 | if (!dev->isoc_ctl.num_bufs) |
ee1fc07c | 746 | urb_init = 1; |
9701dc94 MCC |
747 | |
748 | if (urb_init) { | |
ee1fc07c | 749 | rc = tm6000_prepare_isoc(dev, buf->vb.size); |
c144c037 MCC |
750 | if (rc < 0) |
751 | goto fail; | |
ee1fc07c | 752 | |
c144c037 | 753 | rc = tm6000_start_thread(dev); |
ee1fc07c | 754 | if (rc < 0) |
9701dc94 | 755 | goto fail; |
c144c037 | 756 | |
9701dc94 MCC |
757 | } |
758 | ||
47878f16 | 759 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
760 | return 0; |
761 | ||
762 | fail: | |
ee1fc07c | 763 | free_buffer(vq, buf); |
9701dc94 MCC |
764 | return rc; |
765 | } | |
766 | ||
767 | static void | |
768 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
769 | { | |
60fbfdfd | 770 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 MCC |
771 | struct tm6000_fh *fh = vq->priv_data; |
772 | struct tm6000_core *dev = fh->dev; | |
773 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
774 | |
775 | buf->vb.state = VIDEOBUF_QUEUED; | |
776 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
777 | } |
778 | ||
779 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
780 | { | |
60fbfdfd | 781 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 782 | |
60fbfdfd | 783 | free_buffer(vq, buf); |
9701dc94 MCC |
784 | } |
785 | ||
786 | static struct videobuf_queue_ops tm6000_video_qops = { | |
787 | .buf_setup = buffer_setup, | |
788 | .buf_prepare = buffer_prepare, | |
789 | .buf_queue = buffer_queue, | |
790 | .buf_release = buffer_release, | |
791 | }; | |
792 | ||
793 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
794 | * IOCTL handling |
795 | * ------------------------------------------------------------------ | |
796 | */ | |
9701dc94 | 797 | |
9efd85df | 798 | static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh) |
9701dc94 | 799 | { |
9efd85df MCC |
800 | /* Is the current fh handling it? if so, that's OK */ |
801 | if (dev->resources == fh && dev->is_res_read) | |
802 | return true; | |
803 | ||
804 | return false; | |
805 | } | |
806 | ||
807 | static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh) | |
808 | { | |
809 | /* Is the current fh handling it? if so, that's OK */ | |
810 | if (dev->resources == fh) | |
811 | return true; | |
812 | ||
813 | return false; | |
9701dc94 MCC |
814 | } |
815 | ||
9efd85df MCC |
816 | static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh, |
817 | bool is_res_read) | |
9701dc94 | 818 | { |
9efd85df MCC |
819 | /* Is the current fh handling it? if so, that's OK */ |
820 | if (dev->resources == fh && dev->is_res_read == is_res_read) | |
821 | return true; | |
822 | ||
823 | /* is it free? */ | |
824 | if (dev->resources) | |
825 | return false; | |
826 | ||
827 | /* grab it */ | |
828 | dev->resources = fh; | |
829 | dev->is_res_read = is_res_read; | |
830 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
831 | return true; | |
9701dc94 MCC |
832 | } |
833 | ||
834 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
835 | { | |
9efd85df MCC |
836 | /* Is the current fh handling it? if so, that's OK */ |
837 | if (dev->resources != fh) | |
838 | return; | |
839 | ||
840 | dev->resources = NULL; | |
9701dc94 | 841 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); |
9701dc94 MCC |
842 | } |
843 | ||
844 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
845 | * IOCTL vidioc handling |
846 | * ------------------------------------------------------------------ | |
847 | */ | |
848 | static int vidioc_querycap(struct file *file, void *priv, | |
9701dc94 MCC |
849 | struct v4l2_capability *cap) |
850 | { | |
9701dc94 MCC |
851 | |
852 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
60fbfdfd | 853 | strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
9701dc94 MCC |
854 | cap->version = TM6000_VERSION; |
855 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
856 | V4L2_CAP_STREAMING | | |
857 | V4L2_CAP_TUNER | | |
858 | V4L2_CAP_READWRITE; | |
859 | return 0; | |
860 | } | |
861 | ||
60fbfdfd | 862 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
863 | struct v4l2_fmtdesc *f) |
864 | { | |
865 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
866 | return -EINVAL; | |
867 | ||
60fbfdfd | 868 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
9701dc94 MCC |
869 | f->pixelformat = format[f->index].fourcc; |
870 | return 0; | |
871 | } | |
872 | ||
60fbfdfd | 873 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
874 | struct v4l2_format *f) |
875 | { | |
60fbfdfd | 876 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
877 | |
878 | f->fmt.pix.width = fh->width; | |
879 | f->fmt.pix.height = fh->height; | |
880 | f->fmt.pix.field = fh->vb_vidq.field; | |
881 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
882 | f->fmt.pix.bytesperline = | |
883 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
884 | f->fmt.pix.sizeimage = | |
885 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
886 | ||
60fbfdfd | 887 | return 0; |
9701dc94 MCC |
888 | } |
889 | ||
60fbfdfd | 890 | static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc) |
9701dc94 MCC |
891 | { |
892 | unsigned int i; | |
893 | ||
894 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
895 | if (format[i].fourcc == fourcc) | |
896 | return format+i; | |
897 | return NULL; | |
898 | } | |
899 | ||
60fbfdfd | 900 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
901 | struct v4l2_format *f) |
902 | { | |
903 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
904 | struct tm6000_fmt *fmt; | |
905 | enum v4l2_field field; | |
906 | ||
907 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
908 | if (NULL == fmt) { | |
909 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
910 | " invalid.\n", f->fmt.pix.pixelformat); | |
911 | return -EINVAL; | |
912 | } | |
913 | ||
914 | field = f->fmt.pix.field; | |
915 | ||
60fbfdfd RP |
916 | if (field == V4L2_FIELD_ANY) |
917 | field = V4L2_FIELD_SEQ_TB; | |
918 | else if (V4L2_FIELD_INTERLACED != field) { | |
9701dc94 MCC |
919 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); |
920 | return -EINVAL; | |
921 | } | |
922 | ||
60fbfdfd | 923 | tm6000_get_std_res(dev); |
9701dc94 | 924 | |
4475c044 MCC |
925 | f->fmt.pix.width = dev->width; |
926 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
927 | |
928 | f->fmt.pix.width &= ~0x01; | |
929 | ||
930 | f->fmt.pix.field = field; | |
931 | ||
932 | f->fmt.pix.bytesperline = | |
933 | (f->fmt.pix.width * fmt->depth) >> 3; | |
934 | f->fmt.pix.sizeimage = | |
935 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
936 | ||
937 | return 0; | |
938 | } | |
939 | ||
940 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
60fbfdfd | 941 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
942 | struct v4l2_format *f) |
943 | { | |
60fbfdfd | 944 | struct tm6000_fh *fh = priv; |
9701dc94 | 945 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 946 | int ret = vidioc_try_fmt_vid_cap(file, fh, f); |
9701dc94 | 947 | if (ret < 0) |
60fbfdfd | 948 | return ret; |
9701dc94 MCC |
949 | |
950 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
951 | fh->width = f->fmt.pix.width; | |
952 | fh->height = f->fmt.pix.height; | |
953 | fh->vb_vidq.field = f->fmt.pix.field; | |
954 | fh->type = f->type; | |
955 | ||
956 | dev->fourcc = f->fmt.pix.pixelformat; | |
957 | ||
958 | tm6000_set_fourcc_format(dev); | |
959 | ||
60fbfdfd | 960 | return 0; |
9701dc94 MCC |
961 | } |
962 | ||
60fbfdfd | 963 | static int vidioc_reqbufs(struct file *file, void *priv, |
9701dc94 MCC |
964 | struct v4l2_requestbuffers *p) |
965 | { | |
60fbfdfd | 966 | struct tm6000_fh *fh = priv; |
9701dc94 | 967 | |
60fbfdfd | 968 | return videobuf_reqbufs(&fh->vb_vidq, p); |
9701dc94 MCC |
969 | } |
970 | ||
60fbfdfd | 971 | static int vidioc_querybuf(struct file *file, void *priv, |
9701dc94 MCC |
972 | struct v4l2_buffer *p) |
973 | { | |
60fbfdfd | 974 | struct tm6000_fh *fh = priv; |
9701dc94 | 975 | |
60fbfdfd | 976 | return videobuf_querybuf(&fh->vb_vidq, p); |
9701dc94 MCC |
977 | } |
978 | ||
60fbfdfd | 979 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 980 | { |
60fbfdfd | 981 | struct tm6000_fh *fh = priv; |
9701dc94 | 982 | |
60fbfdfd | 983 | return videobuf_qbuf(&fh->vb_vidq, p); |
9701dc94 MCC |
984 | } |
985 | ||
60fbfdfd | 986 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 987 | { |
60fbfdfd | 988 | struct tm6000_fh *fh = priv; |
9701dc94 | 989 | |
60fbfdfd RP |
990 | return videobuf_dqbuf(&fh->vb_vidq, p, |
991 | file->f_flags & O_NONBLOCK); | |
9701dc94 MCC |
992 | } |
993 | ||
9701dc94 MCC |
994 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
995 | { | |
60fbfdfd | 996 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
997 | struct tm6000_core *dev = fh->dev; |
998 | ||
999 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1000 | return -EINVAL; | |
1001 | if (i != fh->type) | |
1002 | return -EINVAL; | |
1003 | ||
9efd85df | 1004 | if (!res_get(dev, fh, false)) |
9701dc94 MCC |
1005 | return -EBUSY; |
1006 | return (videobuf_streamon(&fh->vb_vidq)); | |
1007 | } | |
1008 | ||
1009 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1010 | { | |
1011 | struct tm6000_fh *fh=priv; | |
1012 | struct tm6000_core *dev = fh->dev; | |
1013 | ||
1014 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1015 | return -EINVAL; | |
1016 | if (i != fh->type) | |
1017 | return -EINVAL; | |
1018 | ||
1019 | videobuf_streamoff(&fh->vb_vidq); | |
1020 | res_free(dev,fh); | |
1021 | ||
1022 | return (0); | |
1023 | } | |
1024 | ||
1025 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) | |
1026 | { | |
1027 | int rc=0; | |
1028 | struct tm6000_fh *fh=priv; | |
1029 | struct tm6000_core *dev = fh->dev; | |
1030 | ||
4f52610e | 1031 | dev->norm = *norm; |
709944ea | 1032 | rc = tm6000_init_analog_mode(dev); |
71e7cfae MCC |
1033 | |
1034 | fh->width = dev->width; | |
1035 | fh->height = dev->height; | |
1036 | ||
9701dc94 MCC |
1037 | if (rc<0) |
1038 | return rc; | |
1039 | ||
427f7fac | 1040 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
9701dc94 MCC |
1041 | |
1042 | return 0; | |
1043 | } | |
1044 | ||
60fbfdfd | 1045 | static int vidioc_enum_input(struct file *file, void *priv, |
9701dc94 MCC |
1046 | struct v4l2_input *inp) |
1047 | { | |
1048 | switch (inp->index) { | |
1049 | case TM6000_INPUT_TV: | |
1050 | inp->type = V4L2_INPUT_TYPE_TUNER; | |
60fbfdfd | 1051 | strcpy(inp->name, "Television"); |
9701dc94 MCC |
1052 | break; |
1053 | case TM6000_INPUT_COMPOSITE: | |
1054 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
60fbfdfd | 1055 | strcpy(inp->name, "Composite"); |
9701dc94 MCC |
1056 | break; |
1057 | case TM6000_INPUT_SVIDEO: | |
1058 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
60fbfdfd | 1059 | strcpy(inp->name, "S-Video"); |
9701dc94 MCC |
1060 | break; |
1061 | default: | |
1062 | return -EINVAL; | |
1063 | } | |
1064 | inp->std = TM6000_STD; | |
1065 | ||
1066 | return 0; | |
1067 | } | |
1068 | ||
60fbfdfd | 1069 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
9701dc94 | 1070 | { |
60fbfdfd | 1071 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1072 | struct tm6000_core *dev = fh->dev; |
1073 | ||
60fbfdfd | 1074 | *i = dev->input; |
9701dc94 MCC |
1075 | |
1076 | return 0; | |
1077 | } | |
60fbfdfd | 1078 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
9701dc94 | 1079 | { |
60fbfdfd | 1080 | struct tm6000_fh *fh = priv; |
9701dc94 | 1081 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1082 | int rc = 0; |
9701dc94 MCC |
1083 | char buf[1]; |
1084 | ||
1085 | switch (i) { | |
1086 | case TM6000_INPUT_TV: | |
60fbfdfd RP |
1087 | dev->input = i; |
1088 | *buf = 0; | |
9701dc94 MCC |
1089 | break; |
1090 | case TM6000_INPUT_COMPOSITE: | |
1091 | case TM6000_INPUT_SVIDEO: | |
60fbfdfd RP |
1092 | dev->input = i; |
1093 | *buf = 1; | |
9701dc94 MCC |
1094 | break; |
1095 | default: | |
1096 | return -EINVAL; | |
1097 | } | |
60fbfdfd | 1098 | rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR, |
9701dc94 MCC |
1099 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); |
1100 | ||
1101 | if (!rc) { | |
60fbfdfd RP |
1102 | dev->input = i; |
1103 | rc = vidioc_s_std(file, priv, &dev->vfd->current_norm); | |
9701dc94 MCC |
1104 | } |
1105 | ||
60fbfdfd | 1106 | return rc; |
9701dc94 MCC |
1107 | } |
1108 | ||
1109 | /* --- controls ---------------------------------------------- */ | |
60fbfdfd | 1110 | static int vidioc_queryctrl(struct file *file, void *priv, |
9701dc94 MCC |
1111 | struct v4l2_queryctrl *qc) |
1112 | { | |
1113 | int i; | |
1114 | ||
1115 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1116 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1117 | memcpy(qc, &(tm6000_qctrl[i]), | |
1118 | sizeof(*qc)); | |
60fbfdfd | 1119 | return 0; |
9701dc94 MCC |
1120 | } |
1121 | ||
1122 | return -EINVAL; | |
1123 | } | |
1124 | ||
60fbfdfd | 1125 | static int vidioc_g_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1126 | struct v4l2_control *ctrl) |
1127 | { | |
60fbfdfd | 1128 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1129 | struct tm6000_core *dev = fh->dev; |
1130 | int val; | |
1131 | ||
1132 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1133 | switch (ctrl->id) { | |
1134 | case V4L2_CID_CONTRAST: | |
9afec493 | 1135 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
9701dc94 MCC |
1136 | break; |
1137 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1138 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
9701dc94 MCC |
1139 | return 0; |
1140 | case V4L2_CID_SATURATION: | |
9afec493 | 1141 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
9701dc94 MCC |
1142 | return 0; |
1143 | case V4L2_CID_HUE: | |
9afec493 | 1144 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
9701dc94 MCC |
1145 | return 0; |
1146 | default: | |
1147 | return -EINVAL; | |
1148 | } | |
1149 | ||
60fbfdfd | 1150 | if (val < 0) |
9701dc94 MCC |
1151 | return val; |
1152 | ||
60fbfdfd | 1153 | ctrl->value = val; |
9701dc94 MCC |
1154 | |
1155 | return 0; | |
1156 | } | |
60fbfdfd | 1157 | static int vidioc_s_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1158 | struct v4l2_control *ctrl) |
1159 | { | |
60fbfdfd | 1160 | struct tm6000_fh *fh = priv; |
9701dc94 | 1161 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1162 | u8 val = ctrl->value; |
9701dc94 MCC |
1163 | |
1164 | switch (ctrl->id) { | |
1165 | case V4L2_CID_CONTRAST: | |
60fbfdfd | 1166 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
9701dc94 MCC |
1167 | return 0; |
1168 | case V4L2_CID_BRIGHTNESS: | |
60fbfdfd | 1169 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1170 | return 0; |
1171 | case V4L2_CID_SATURATION: | |
60fbfdfd | 1172 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1173 | return 0; |
1174 | case V4L2_CID_HUE: | |
60fbfdfd | 1175 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
9701dc94 MCC |
1176 | return 0; |
1177 | } | |
1178 | return -EINVAL; | |
1179 | } | |
1180 | ||
60fbfdfd | 1181 | static int vidioc_g_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1182 | struct v4l2_tuner *t) |
1183 | { | |
60fbfdfd | 1184 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1185 | struct tm6000_core *dev = fh->dev; |
1186 | ||
1187 | if (unlikely(UNSET == dev->tuner_type)) | |
1188 | return -EINVAL; | |
1189 | if (0 != t->index) | |
1190 | return -EINVAL; | |
1191 | ||
1192 | strcpy(t->name, "Television"); | |
1193 | t->type = V4L2_TUNER_ANALOG_TV; | |
1194 | t->capability = V4L2_TUNER_CAP_NORM; | |
1195 | t->rangehigh = 0xffffffffUL; | |
1196 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
1197 | ||
1198 | return 0; | |
1199 | } | |
1200 | ||
60fbfdfd | 1201 | static int vidioc_s_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1202 | struct v4l2_tuner *t) |
1203 | { | |
60fbfdfd | 1204 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1205 | struct tm6000_core *dev = fh->dev; |
1206 | ||
1207 | if (UNSET == dev->tuner_type) | |
1208 | return -EINVAL; | |
1209 | if (0 != t->index) | |
1210 | return -EINVAL; | |
1211 | ||
1212 | return 0; | |
1213 | } | |
1214 | ||
60fbfdfd | 1215 | static int vidioc_g_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1216 | struct v4l2_frequency *f) |
1217 | { | |
60fbfdfd | 1218 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1219 | struct tm6000_core *dev = fh->dev; |
1220 | ||
1221 | if (unlikely(UNSET == dev->tuner_type)) | |
1222 | return -EINVAL; | |
1223 | ||
1224 | f->type = V4L2_TUNER_ANALOG_TV; | |
1225 | f->frequency = dev->freq; | |
1226 | ||
427f7fac | 1227 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1228 | |
1229 | return 0; | |
1230 | } | |
1231 | ||
60fbfdfd | 1232 | static int vidioc_s_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1233 | struct v4l2_frequency *f) |
1234 | { | |
60fbfdfd | 1235 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1236 | struct tm6000_core *dev = fh->dev; |
1237 | ||
1238 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) | |
1239 | return -EINVAL; | |
1240 | ||
1241 | if (unlikely(UNSET == dev->tuner_type)) | |
1242 | return -EINVAL; | |
1243 | if (unlikely(f->tuner != 0)) | |
1244 | return -EINVAL; | |
1245 | ||
9701dc94 | 1246 | dev->freq = f->frequency; |
64d339d4 | 1247 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1248 | |
1249 | return 0; | |
1250 | } | |
1251 | ||
1252 | /* ------------------------------------------------------------------ | |
1253 | File operations for the device | |
1254 | ------------------------------------------------------------------*/ | |
1255 | ||
64d339d4 | 1256 | static int tm6000_open(struct file *file) |
9701dc94 | 1257 | { |
0a34df53 MCC |
1258 | struct video_device *vdev = video_devdata(file); |
1259 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 | 1260 | struct tm6000_fh *fh; |
e8d04167 | 1261 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
60fbfdfd | 1262 | int i, rc; |
9701dc94 | 1263 | |
0a34df53 MCC |
1264 | printk(KERN_INFO "tm6000: open called (dev=%s)\n", |
1265 | video_device_node_name(vdev)); | |
7c3f53ec | 1266 | |
0a34df53 MCC |
1267 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1268 | video_device_node_name(vdev)); | |
9701dc94 | 1269 | |
9701dc94 MCC |
1270 | |
1271 | /* If more than one user, mutex should be added */ | |
1272 | dev->users++; | |
1273 | ||
0a34df53 MCC |
1274 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1275 | video_device_node_name(vdev), v4l2_type_names[type], | |
1276 | dev->users); | |
9701dc94 MCC |
1277 | |
1278 | /* allocate + initialize per filehandle data */ | |
60fbfdfd | 1279 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
9701dc94 MCC |
1280 | if (NULL == fh) { |
1281 | dev->users--; | |
1282 | return -ENOMEM; | |
1283 | } | |
1284 | ||
1285 | file->private_data = fh; | |
1286 | fh->dev = dev; | |
1287 | ||
1288 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1289 | dev->fourcc = format[0].fourcc; | |
1290 | ||
1291 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 MCC |
1292 | |
1293 | tm6000_get_std_res (dev); | |
1294 | ||
1295 | fh->width = dev->width; | |
1296 | fh->height = dev->height; | |
9701dc94 MCC |
1297 | |
1298 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1299 | "dev->vidq=0x%08lx\n", | |
1300 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); | |
1301 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1302 | "queued=%d\n",list_empty(&dev->vidq.queued)); | |
1303 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1304 | "active=%d\n",list_empty(&dev->vidq.active)); | |
1305 | ||
1306 | /* initialize hardware on analog mode */ | |
589851d5 MCC |
1307 | rc = tm6000_init_analog_mode(dev); |
1308 | if (rc < 0) | |
1309 | return rc; | |
9701dc94 | 1310 | |
589851d5 | 1311 | if (dev->mode != TM6000_MODE_ANALOG) { |
9701dc94 MCC |
1312 | /* Put all controls at a sane state */ |
1313 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
589851d5 | 1314 | qctl_regs[i] = tm6000_qctrl[i].default_value; |
9701dc94 | 1315 | |
589851d5 MCC |
1316 | dev->mode = TM6000_MODE_ANALOG; |
1317 | } | |
9701dc94 MCC |
1318 | |
1319 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1320 | NULL, &dev->slock, | |
1321 | fh->type, | |
1322 | V4L2_FIELD_INTERLACED, | |
dc961136 | 1323 | sizeof(struct tm6000_buffer), fh, &dev->lock); |
9701dc94 MCC |
1324 | |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | static ssize_t | |
1329 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1330 | { | |
1331 | struct tm6000_fh *fh = file->private_data; | |
1332 | ||
1333 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
9efd85df | 1334 | if (!res_get(fh->dev, fh, true)) |
9701dc94 MCC |
1335 | return -EBUSY; |
1336 | ||
1337 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
1338 | file->f_flags & O_NONBLOCK); | |
1339 | } | |
1340 | return 0; | |
1341 | } | |
1342 | ||
1343 | static unsigned int | |
1344 | tm6000_poll(struct file *file, struct poll_table_struct *wait) | |
1345 | { | |
1346 | struct tm6000_fh *fh = file->private_data; | |
1347 | struct tm6000_buffer *buf; | |
1348 | ||
1349 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1350 | return POLLERR; | |
1351 | ||
9efd85df MCC |
1352 | if (!!is_res_streaming(fh->dev, fh)) |
1353 | return POLLERR; | |
1354 | ||
1355 | if (!is_res_read(fh->dev, fh)) { | |
9701dc94 MCC |
1356 | /* streaming capture */ |
1357 | if (list_empty(&fh->vb_vidq.stream)) | |
1358 | return POLLERR; | |
1359 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); | |
1360 | } else { | |
1361 | /* read() capture */ | |
dc6a02aa MCC |
1362 | return videobuf_poll_stream(file, &fh->vb_vidq, |
1363 | wait); | |
9701dc94 MCC |
1364 | } |
1365 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1366 | if (buf->vb.state == VIDEOBUF_DONE || |
1367 | buf->vb.state == VIDEOBUF_ERROR) | |
60fbfdfd | 1368 | return POLLIN | POLLRDNORM; |
9701dc94 MCC |
1369 | return 0; |
1370 | } | |
1371 | ||
64d339d4 | 1372 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1373 | { |
1374 | struct tm6000_fh *fh = file->private_data; | |
1375 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1376 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1377 | |
0a34df53 MCC |
1378 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1379 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1380 | |
a58d35cb MCC |
1381 | dev->users--; |
1382 | ||
9efd85df | 1383 | res_free(dev, fh); |
a58d35cb | 1384 | if (!dev->users) { |
c144c037 | 1385 | tm6000_uninit_isoc(dev); |
a58d35cb MCC |
1386 | videobuf_mmap_free(&fh->vb_vidq); |
1387 | } | |
9701dc94 | 1388 | |
60fbfdfd | 1389 | kfree(fh); |
9701dc94 | 1390 | |
9701dc94 MCC |
1391 | return 0; |
1392 | } | |
1393 | ||
1394 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1395 | { | |
1396 | struct tm6000_fh *fh = file->private_data; | |
1397 | int ret; | |
1398 | ||
60fbfdfd | 1399 | ret = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
9701dc94 MCC |
1400 | |
1401 | return ret; | |
1402 | } | |
1403 | ||
64d339d4 | 1404 | static struct v4l2_file_operations tm6000_fops = { |
9701dc94 MCC |
1405 | .owner = THIS_MODULE, |
1406 | .open = tm6000_open, | |
1407 | .release = tm6000_release, | |
dc961136 | 1408 | .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ |
9701dc94 MCC |
1409 | .read = tm6000_read, |
1410 | .poll = tm6000_poll, | |
1411 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1412 | }; |
1413 | ||
2a8145d4 MCC |
1414 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1415 | .vidioc_querycap = vidioc_querycap, | |
1416 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1417 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1418 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1419 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1420 | .vidioc_s_std = vidioc_s_std, | |
1421 | .vidioc_enum_input = vidioc_enum_input, | |
1422 | .vidioc_g_input = vidioc_g_input, | |
1423 | .vidioc_s_input = vidioc_s_input, | |
1424 | .vidioc_queryctrl = vidioc_queryctrl, | |
1425 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1426 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1427 | .vidioc_g_tuner = vidioc_g_tuner, | |
1428 | .vidioc_s_tuner = vidioc_s_tuner, | |
1429 | .vidioc_g_frequency = vidioc_g_frequency, | |
1430 | .vidioc_s_frequency = vidioc_s_frequency, | |
1431 | .vidioc_streamon = vidioc_streamon, | |
1432 | .vidioc_streamoff = vidioc_streamoff, | |
1433 | .vidioc_reqbufs = vidioc_reqbufs, | |
1434 | .vidioc_querybuf = vidioc_querybuf, | |
1435 | .vidioc_qbuf = vidioc_qbuf, | |
1436 | .vidioc_dqbuf = vidioc_dqbuf, | |
2a8145d4 MCC |
1437 | }; |
1438 | ||
9701dc94 MCC |
1439 | static struct video_device tm6000_template = { |
1440 | .name = "tm6000", | |
9701dc94 | 1441 | .fops = &tm6000_fops, |
2a8145d4 | 1442 | .ioctl_ops = &video_ioctl_ops, |
9701dc94 | 1443 | .release = video_device_release, |
2a8145d4 MCC |
1444 | .tvnorms = TM6000_STD, |
1445 | .current_norm = V4L2_STD_NTSC_M, | |
9701dc94 | 1446 | }; |
2a8145d4 | 1447 | |
9701dc94 | 1448 | /* ----------------------------------------------------------------- |
60fbfdfd RP |
1449 | * Initialization and module stuff |
1450 | * ------------------------------------------------------------------ | |
1451 | */ | |
9701dc94 | 1452 | |
3c61be44 DB |
1453 | static struct video_device *vdev_init(struct tm6000_core *dev, |
1454 | const struct video_device | |
1455 | *template, const char *type_name) | |
9701dc94 | 1456 | { |
7c3f53ec ML |
1457 | struct video_device *vfd; |
1458 | ||
1459 | vfd = video_device_alloc(); | |
3c61be44 DB |
1460 | if (NULL == vfd) |
1461 | return NULL; | |
1462 | ||
1463 | *vfd = *template; | |
1464 | vfd->v4l2_dev = &dev->v4l2_dev; | |
1465 | vfd->release = video_device_release; | |
1466 | vfd->debug = tm6000_debug; | |
1467 | vfd->lock = &dev->lock; | |
1468 | ||
1469 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); | |
1470 | ||
1471 | video_set_drvdata(vfd, dev); | |
1472 | return vfd; | |
1473 | } | |
1474 | ||
1475 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1476 | { | |
1477 | int ret = -1; | |
1478 | ||
1479 | dev->vfd = vdev_init(dev, &tm6000_template, "video"); | |
1480 | ||
1481 | if (!dev->vfd) { | |
1482 | printk(KERN_INFO "%s: can't register video device\n", | |
1483 | dev->name); | |
7c3f53ec ML |
1484 | return -ENOMEM; |
1485 | } | |
9701dc94 | 1486 | |
9701dc94 MCC |
1487 | /* init video dma queues */ |
1488 | INIT_LIST_HEAD(&dev->vidq.active); | |
1489 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1490 | ||
3c61be44 | 1491 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
dc961136 | 1492 | |
3c61be44 DB |
1493 | if (ret < 0) { |
1494 | printk(KERN_INFO "%s: can't register video device\n", | |
1495 | dev->name); | |
1496 | return ret; | |
1497 | } | |
1498 | ||
1499 | printk(KERN_INFO "%s: registered device %s\n", | |
1500 | dev->name, video_device_node_name(dev->vfd)); | |
9701dc94 | 1501 | |
e28f49b0 | 1502 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 MCC |
1503 | return ret; |
1504 | } | |
1505 | ||
1506 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1507 | { | |
7c3f53ec | 1508 | video_unregister_device(dev->vfd); |
22927e8e | 1509 | |
9701dc94 MCC |
1510 | return 0; |
1511 | } | |
1512 | ||
1513 | int tm6000_v4l2_exit(void) | |
1514 | { | |
1515 | return 0; | |
1516 | } | |
1517 | ||
1518 | module_param(video_nr, int, 0); | |
60fbfdfd | 1519 | MODULE_PARM_DESC(video_nr, "Allow changing video device number"); |
9701dc94 | 1520 | |
60fbfdfd RP |
1521 | module_param_named(debug, tm6000_debug, int, 0444); |
1522 | MODULE_PARM_DESC(debug, "activates debug info"); | |
9701dc94 | 1523 | |
60fbfdfd RP |
1524 | module_param(vid_limit, int, 0644); |
1525 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
9701dc94 | 1526 |