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> |
886a3c0b | 37 | #include <media/tuner.h> |
9701dc94 MCC |
38 | #include <linux/interrupt.h> |
39 | #include <linux/kthread.h> | |
40 | #include <linux/highmem.h> | |
41 | #include <linux/freezer.h> | |
42 | ||
43 | #include "tm6000-regs.h" | |
44 | #include "tm6000.h" | |
45 | ||
46 | #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ | |
47 | ||
95a83824 ML |
48 | /* Limits minimum and default number of buffers */ |
49 | #define TM6000_MIN_BUF 4 | |
50 | #define TM6000_DEF_BUF 8 | |
51 | ||
5a4b55e2 | 52 | #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ |
ee1fc07c | 53 | |
9701dc94 MCC |
54 | /* Declare static vars that will be used as parameters */ |
55 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
56 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
8aff8ba9 | 57 | static int radio_nr = -1; /* /dev/radioN, -1 for autodetect */ |
9701dc94 | 58 | |
9701dc94 MCC |
59 | /* Debug level */ |
60 | int tm6000_debug; | |
faa7c134 | 61 | EXPORT_SYMBOL_GPL(tm6000_debug); |
9701dc94 | 62 | |
8aff8ba9 DB |
63 | static const struct v4l2_queryctrl no_ctrl = { |
64 | .name = "42", | |
65 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
66 | }; | |
67 | ||
9701dc94 MCC |
68 | /* supported controls */ |
69 | static struct v4l2_queryctrl tm6000_qctrl[] = { | |
70 | { | |
71 | .id = V4L2_CID_BRIGHTNESS, | |
72 | .type = V4L2_CTRL_TYPE_INTEGER, | |
73 | .name = "Brightness", | |
74 | .minimum = 0, | |
75 | .maximum = 255, | |
76 | .step = 1, | |
77 | .default_value = 54, | |
78 | .flags = 0, | |
79 | }, { | |
80 | .id = V4L2_CID_CONTRAST, | |
81 | .type = V4L2_CTRL_TYPE_INTEGER, | |
82 | .name = "Contrast", | |
83 | .minimum = 0, | |
84 | .maximum = 255, | |
85 | .step = 0x1, | |
86 | .default_value = 119, | |
87 | .flags = 0, | |
88 | }, { | |
89 | .id = V4L2_CID_SATURATION, | |
90 | .type = V4L2_CTRL_TYPE_INTEGER, | |
91 | .name = "Saturation", | |
92 | .minimum = 0, | |
93 | .maximum = 255, | |
94 | .step = 0x1, | |
95 | .default_value = 112, | |
96 | .flags = 0, | |
97 | }, { | |
98 | .id = V4L2_CID_HUE, | |
99 | .type = V4L2_CTRL_TYPE_INTEGER, | |
100 | .name = "Hue", | |
101 | .minimum = -128, | |
102 | .maximum = 127, | |
103 | .step = 0x1, | |
c4acf48c | 104 | .default_value = 0, |
9701dc94 | 105 | .flags = 0, |
8aff8ba9 DB |
106 | }, |
107 | /* --- audio --- */ | |
108 | { | |
109 | .id = V4L2_CID_AUDIO_MUTE, | |
110 | .name = "Mute", | |
111 | .minimum = 0, | |
112 | .maximum = 1, | |
113 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
114 | }, { | |
115 | .id = V4L2_CID_AUDIO_VOLUME, | |
116 | .name = "Volume", | |
117 | .minimum = -15, | |
118 | .maximum = 15, | |
119 | .step = 1, | |
120 | .default_value = 0, | |
121 | .type = V4L2_CTRL_TYPE_INTEGER, | |
9701dc94 MCC |
122 | } |
123 | }; | |
124 | ||
8aff8ba9 | 125 | static const unsigned int CTRLS = ARRAY_SIZE(tm6000_qctrl); |
9701dc94 MCC |
126 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; |
127 | ||
128 | static struct tm6000_fmt format[] = { | |
129 | { | |
130 | .name = "4:2:2, packed, YVY2", | |
131 | .fourcc = V4L2_PIX_FMT_YUYV, | |
132 | .depth = 16, | |
c4acf48c | 133 | }, { |
9701dc94 MCC |
134 | .name = "4:2:2, packed, UYVY", |
135 | .fourcc = V4L2_PIX_FMT_UYVY, | |
136 | .depth = 16, | |
c4acf48c | 137 | }, { |
9701dc94 MCC |
138 | .name = "A/V + VBI mux packet", |
139 | .fourcc = V4L2_PIX_FMT_TM6000, | |
140 | .depth = 16, | |
141 | } | |
142 | }; | |
143 | ||
8aff8ba9 DB |
144 | static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) |
145 | { | |
146 | unsigned int i; | |
147 | ||
148 | for (i = 0; i < CTRLS; i++) | |
149 | if (tm6000_qctrl[i].id == id) | |
150 | return tm6000_qctrl+i; | |
151 | return NULL; | |
152 | } | |
153 | ||
9701dc94 | 154 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
155 | * DMA and thread functions |
156 | * ------------------------------------------------------------------ | |
157 | */ | |
9701dc94 MCC |
158 | |
159 | #define norm_maxw(a) 720 | |
4475c044 | 160 | #define norm_maxh(a) 576 |
9701dc94 | 161 | |
9701dc94 MCC |
162 | #define norm_minw(a) norm_maxw(a) |
163 | #define norm_minh(a) norm_maxh(a) | |
164 | ||
165 | /* | |
166 | * video-buf generic routine to get the next available buffer | |
167 | */ | |
721f507b | 168 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
c4acf48c | 169 | struct tm6000_buffer **buf) |
9701dc94 | 170 | { |
c4acf48c | 171 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
721f507b | 172 | char *outp; |
9701dc94 MCC |
173 | |
174 | if (list_empty(&dma_q->active)) { | |
c4acf48c | 175 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
1f9305b7 | 176 | *buf = NULL; |
721f507b | 177 | return; |
9701dc94 MCC |
178 | } |
179 | ||
180 | *buf = list_entry(dma_q->active.next, | |
181 | struct tm6000_buffer, vb.queue); | |
182 | ||
721f507b MCC |
183 | if (!buf) |
184 | return; | |
185 | ||
25985edc | 186 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
721f507b | 187 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
721f507b MCC |
188 | |
189 | return; | |
9701dc94 MCC |
190 | } |
191 | ||
192 | /* | |
193 | * Announces that a buffer were filled and request the next | |
194 | */ | |
c4acf48c MCC |
195 | static inline void buffer_filled(struct tm6000_core *dev, |
196 | struct tm6000_dmaqueue *dma_q, | |
197 | struct tm6000_buffer *buf) | |
9701dc94 MCC |
198 | { |
199 | /* Advice that buffer was filled */ | |
c4acf48c | 200 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
47878f16 | 201 | buf->vb.state = VIDEOBUF_DONE; |
9701dc94 MCC |
202 | buf->vb.field_count++; |
203 | do_gettimeofday(&buf->vb.ts); | |
204 | ||
205 | list_del(&buf->vb.queue); | |
206 | wake_up(&buf->vb.done); | |
207 | } | |
208 | ||
c4acf48c MCC |
209 | const char *tm6000_msg_type[] = { |
210 | "unknown(0)", /* 0 */ | |
211 | "video", /* 1 */ | |
212 | "audio", /* 2 */ | |
213 | "vbi", /* 3 */ | |
214 | "pts", /* 4 */ | |
215 | "err", /* 5 */ | |
216 | "unknown(6)", /* 6 */ | |
217 | "unknown(7)", /* 7 */ | |
a228618c MCC |
218 | }; |
219 | ||
9701dc94 MCC |
220 | /* |
221 | * Identify the tm5600/6000 buffer header type and properly handles | |
222 | */ | |
4b6ed9fd SR |
223 | static int copy_streams(u8 *data, unsigned long len, |
224 | struct urb *urb) | |
e2c9500d MCC |
225 | { |
226 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
227 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
228 | u8 *ptr = data, *endp = data+len, c; | |
229 | unsigned long header = 0; | |
230 | int rc = 0; | |
83cb9a50 | 231 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
cc73b4b5 | 232 | struct tm6000_buffer *vbuf = NULL; |
83cb9a50 SR |
233 | char *voutp = NULL; |
234 | unsigned int linewidth; | |
235 | ||
8aff8ba9 DB |
236 | if (!dev->radio) { |
237 | /* get video buffer */ | |
238 | get_next_buf(dma_q, &vbuf); | |
239 | ||
240 | if (!vbuf) | |
241 | return rc; | |
242 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
243 | ||
244 | if (!voutp) | |
245 | return 0; | |
246 | } | |
ed0236af | 247 | |
83cb9a50 | 248 | for (ptr = data; ptr < endp;) { |
ed0236af | 249 | if (!dev->isoc_ctl.cmd) { |
83cb9a50 SR |
250 | /* Header */ |
251 | if (dev->isoc_ctl.tmp_buf_len > 0) { | |
252 | /* from last urb or packet */ | |
253 | header = dev->isoc_ctl.tmp_buf; | |
254 | if (4 - dev->isoc_ctl.tmp_buf_len > 0) { | |
60fbfdfd | 255 | memcpy((u8 *)&header + |
801dd3b3 | 256 | dev->isoc_ctl.tmp_buf_len, |
ed0236af | 257 | ptr, |
801dd3b3 MCC |
258 | 4 - dev->isoc_ctl.tmp_buf_len); |
259 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; | |
ed0236af | 260 | } |
83cb9a50 SR |
261 | dev->isoc_ctl.tmp_buf_len = 0; |
262 | } else { | |
263 | if (ptr + 3 >= endp) { | |
264 | /* have incomplete header */ | |
265 | dev->isoc_ctl.tmp_buf_len = endp - ptr; | |
60fbfdfd | 266 | memcpy(&dev->isoc_ctl.tmp_buf, ptr, |
83cb9a50 SR |
267 | dev->isoc_ctl.tmp_buf_len); |
268 | return rc; | |
269 | } | |
270 | /* Seek for sync */ | |
271 | for (; ptr < endp - 3; ptr++) { | |
272 | if (*(ptr + 3) == 0x47) | |
273 | break; | |
274 | } | |
275 | /* Get message header */ | |
276 | header = *(unsigned long *)ptr; | |
277 | ptr += 4; | |
ed0236af | 278 | } |
23ba9463 | 279 | |
83cb9a50 SR |
280 | /* split the header fields */ |
281 | c = (header >> 24) & 0xff; | |
282 | size = ((header & 0x7e) << 1); | |
283 | if (size > 0) | |
284 | size -= 4; | |
285 | block = (header >> 7) & 0xf; | |
286 | field = (header >> 11) & 0x1; | |
287 | line = (header >> 12) & 0x1ff; | |
288 | cmd = (header >> 21) & 0x7; | |
289 | /* Validates haeder fields */ | |
290 | if (size > TM6000_URB_MSG_LEN) | |
291 | size = TM6000_URB_MSG_LEN; | |
292 | pktsize = TM6000_URB_MSG_LEN; | |
293 | /* calculate position in buffer | |
294 | * and change the buffer | |
295 | */ | |
296 | switch (cmd) { | |
297 | case TM6000_URB_MSG_VIDEO: | |
8aff8ba9 DB |
298 | if (!dev->radio) { |
299 | if ((dev->isoc_ctl.vfield != field) && | |
300 | (field == 1)) { | |
83cb9a50 SR |
301 | /* Announces that a new buffer |
302 | * were filled | |
303 | */ | |
8aff8ba9 DB |
304 | buffer_filled(dev, dma_q, vbuf); |
305 | dprintk(dev, V4L2_DEBUG_ISOC, | |
83cb9a50 | 306 | "new buffer filled\n"); |
8aff8ba9 DB |
307 | get_next_buf(dma_q, &vbuf); |
308 | if (!vbuf) | |
309 | return rc; | |
310 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
311 | if (!voutp) | |
312 | return rc; | |
313 | memset(voutp, 0, vbuf->vb.size); | |
314 | } | |
315 | linewidth = vbuf->vb.width << 1; | |
316 | pos = ((line << 1) - field - 1) * | |
317 | linewidth + block * TM6000_URB_MSG_LEN; | |
318 | /* Don't allow to write out of the buffer */ | |
319 | if (pos + size > vbuf->vb.size) | |
320 | cmd = TM6000_URB_MSG_ERR; | |
321 | dev->isoc_ctl.vfield = field; | |
cc73b4b5 | 322 | } |
83cb9a50 | 323 | break; |
83cb9a50 | 324 | case TM6000_URB_MSG_VBI: |
23ba9463 MCC |
325 | break; |
326 | case TM6000_URB_MSG_AUDIO: | |
83cb9a50 | 327 | case TM6000_URB_MSG_PTS: |
d0669c87 | 328 | size = pktsize; /* Size is always 180 bytes */ |
83cb9a50 | 329 | break; |
9701dc94 | 330 | } |
83cb9a50 SR |
331 | } else { |
332 | /* Continue the last copy */ | |
333 | cmd = dev->isoc_ctl.cmd; | |
334 | size = dev->isoc_ctl.size; | |
335 | pos = dev->isoc_ctl.pos; | |
336 | pktsize = dev->isoc_ctl.pktsize; | |
337 | } | |
338 | cpysize = (endp - ptr > size) ? size : endp - ptr; | |
339 | if (cpysize) { | |
340 | /* copy data in different buffers */ | |
341 | switch (cmd) { | |
342 | case TM6000_URB_MSG_VIDEO: | |
343 | /* Fills video buffer */ | |
344 | if (vbuf) | |
60fbfdfd | 345 | memcpy(&voutp[pos], ptr, cpysize); |
83cb9a50 SR |
346 | break; |
347 | case TM6000_URB_MSG_AUDIO: | |
73f4d265 DB |
348 | /* Need some code to copy audio buffer */ |
349 | if (dev->fourcc == V4L2_PIX_FMT_YUYV) { | |
350 | /* Swap word bytes */ | |
351 | int i; | |
352 | ||
353 | for (i = 0; i < cpysize; i += 2) | |
354 | swab16s((u16 *)(ptr + i)); | |
355 | } | |
b17b8699 | 356 | tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); |
83cb9a50 SR |
357 | break; |
358 | case TM6000_URB_MSG_VBI: | |
359 | /* Need some code to copy vbi buffer */ | |
360 | break; | |
361 | case TM6000_URB_MSG_PTS: | |
362 | /* Need some code to copy pts */ | |
363 | break; | |
cc6c60d9 | 364 | } |
ed0236af | 365 | } |
ccfb3028 | 366 | if (ptr + pktsize > endp) { |
83cb9a50 SR |
367 | /* End of URB packet, but cmd processing is not |
368 | * complete. Preserve the state for a next packet | |
369 | */ | |
370 | dev->isoc_ctl.pos = pos + cpysize; | |
371 | dev->isoc_ctl.size = size - cpysize; | |
372 | dev->isoc_ctl.cmd = cmd; | |
373 | dev->isoc_ctl.pktsize = pktsize - (endp - ptr); | |
ccfb3028 | 374 | ptr += endp - ptr; |
83cb9a50 SR |
375 | } else { |
376 | dev->isoc_ctl.cmd = 0; | |
377 | ptr += pktsize; | |
a228618c | 378 | } |
9701dc94 | 379 | } |
a228618c | 380 | return 0; |
9701dc94 | 381 | } |
83cb9a50 | 382 | |
9701dc94 MCC |
383 | /* |
384 | * Identify the tm5600/6000 buffer header type and properly handles | |
385 | */ | |
4b6ed9fd SR |
386 | static int copy_multiplexed(u8 *ptr, unsigned long len, |
387 | struct urb *urb) | |
9701dc94 MCC |
388 | { |
389 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
390 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
391 | unsigned int pos = dev->isoc_ctl.pos, cpysize; | |
392 | int rc = 1; | |
4b6ed9fd SR |
393 | struct tm6000_buffer *buf; |
394 | char *outp = NULL; | |
395 | ||
396 | get_next_buf(dma_q, &buf); | |
397 | if (buf) | |
398 | outp = videobuf_to_vmalloc(&buf->vb); | |
399 | ||
400 | if (!outp) | |
401 | return 0; | |
ed0236af | 402 | |
60fbfdfd RP |
403 | while (len > 0) { |
404 | cpysize = min(len, buf->vb.size-pos); | |
4b6ed9fd | 405 | memcpy(&outp[pos], ptr, cpysize); |
60fbfdfd RP |
406 | pos += cpysize; |
407 | ptr += cpysize; | |
408 | len -= cpysize; | |
4b6ed9fd | 409 | if (pos >= buf->vb.size) { |
60fbfdfd | 410 | pos = 0; |
9701dc94 | 411 | /* Announces that a new buffer were filled */ |
60fbfdfd | 412 | buffer_filled(dev, dma_q, buf); |
5f796752 | 413 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
60fbfdfd | 414 | get_next_buf(dma_q, &buf); |
4b6ed9fd | 415 | if (!buf) |
9701dc94 | 416 | break; |
4b6ed9fd SR |
417 | outp = videobuf_to_vmalloc(&(buf->vb)); |
418 | if (!outp) | |
e8a4845d MCC |
419 | return rc; |
420 | pos = 0; | |
9701dc94 MCC |
421 | } |
422 | } | |
423 | ||
60fbfdfd | 424 | dev->isoc_ctl.pos = pos; |
9701dc94 MCC |
425 | return rc; |
426 | } | |
427 | ||
60fbfdfd | 428 | static inline void print_err_status(struct tm6000_core *dev, |
ed0236af | 429 | int packet, int status) |
5f796752 MCC |
430 | { |
431 | char *errmsg = "Unknown"; | |
432 | ||
60fbfdfd | 433 | switch (status) { |
5f796752 MCC |
434 | case -ENOENT: |
435 | errmsg = "unlinked synchronuously"; | |
436 | break; | |
437 | case -ECONNRESET: | |
438 | errmsg = "unlinked asynchronuously"; | |
439 | break; | |
440 | case -ENOSR: | |
441 | errmsg = "Buffer error (overrun)"; | |
442 | break; | |
443 | case -EPIPE: | |
444 | errmsg = "Stalled (device not responding)"; | |
445 | break; | |
446 | case -EOVERFLOW: | |
447 | errmsg = "Babble (bad cable?)"; | |
448 | break; | |
449 | case -EPROTO: | |
450 | errmsg = "Bit-stuff error (bad cable?)"; | |
451 | break; | |
452 | case -EILSEQ: | |
453 | errmsg = "CRC/Timeout (could be anything)"; | |
454 | break; | |
455 | case -ETIME: | |
456 | errmsg = "Device does not respond"; | |
457 | break; | |
458 | } | |
60fbfdfd | 459 | if (packet < 0) { |
5f796752 MCC |
460 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
461 | status, errmsg); | |
462 | } else { | |
ed0236af | 463 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
464 | packet, status, errmsg); |
465 | } | |
466 | } | |
467 | ||
468 | ||
9701dc94 MCC |
469 | /* |
470 | * Controls the isoc copy of each urb packet | |
471 | */ | |
e8a4845d | 472 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
473 | { |
474 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
475 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
476 | int i, len = 0, rc = 1, status; | |
4b6ed9fd | 477 | char *p; |
9701dc94 | 478 | |
4b6ed9fd | 479 | if (urb->status < 0) { |
60fbfdfd | 480 | print_err_status(dev, -1, urb->status); |
5f796752 MCC |
481 | return 0; |
482 | } | |
9701dc94 MCC |
483 | |
484 | for (i = 0; i < urb->number_of_packets; i++) { | |
4b6ed9fd | 485 | status = urb->iso_frame_desc[i].status; |
9701dc94 | 486 | |
60fbfdfd RP |
487 | if (status < 0) { |
488 | print_err_status(dev, i, status); | |
9701dc94 | 489 | continue; |
5f796752 | 490 | } |
9701dc94 | 491 | |
4b6ed9fd | 492 | len = urb->iso_frame_desc[i].actual_length; |
ed0236af | 493 | |
4b6ed9fd SR |
494 | if (len > 0) { |
495 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ed0236af | 496 | if (!urb->iso_frame_desc[i].status) { |
60fbfdfd RP |
497 | if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) { |
498 | rc = copy_multiplexed(p, len, urb); | |
499 | if (rc <= 0) | |
ed0236af MCC |
500 | return rc; |
501 | } else { | |
4b6ed9fd | 502 | copy_streams(p, len, urb); |
ed0236af MCC |
503 | } |
504 | } | |
4b6ed9fd | 505 | } |
9701dc94 | 506 | } |
9701dc94 MCC |
507 | return rc; |
508 | } | |
509 | ||
510 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
511 | * URB control |
512 | * ------------------------------------------------------------------ | |
513 | */ | |
9701dc94 MCC |
514 | |
515 | /* | |
516 | * IRQ callback, called by URB callback | |
517 | */ | |
518 | static void tm6000_irq_callback(struct urb *urb) | |
519 | { | |
9701dc94 | 520 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 521 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 522 | int i; |
9701dc94 | 523 | |
721f507b MCC |
524 | if (!dev) |
525 | return; | |
a228618c | 526 | |
e8a4845d MCC |
527 | spin_lock(&dev->slock); |
528 | tm6000_isoc_copy(urb); | |
529 | spin_unlock(&dev->slock); | |
9701dc94 | 530 | |
e8a4845d MCC |
531 | /* Reset urb buffers */ |
532 | for (i = 0; i < urb->number_of_packets; i++) { | |
533 | urb->iso_frame_desc[i].status = 0; | |
534 | urb->iso_frame_desc[i].actual_length = 0; | |
535 | } | |
9701dc94 | 536 | |
c4acf48c MCC |
537 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
538 | if (urb->status) | |
9701dc94 MCC |
539 | tm6000_err("urb resubmit failed (error=%i)\n", |
540 | urb->status); | |
9701dc94 MCC |
541 | } |
542 | ||
543 | /* | |
544 | * Stop and Deallocate URBs | |
545 | */ | |
546 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
547 | { | |
548 | struct urb *urb; | |
549 | int i; | |
550 | ||
ee1fc07c | 551 | dev->isoc_ctl.buf = NULL; |
9701dc94 | 552 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
60fbfdfd | 553 | urb = dev->isoc_ctl.urb[i]; |
9701dc94 MCC |
554 | if (urb) { |
555 | usb_kill_urb(urb); | |
556 | usb_unlink_urb(urb); | |
557 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
5a11b6fe | 558 | usb_free_coherent(dev->udev, |
9701dc94 MCC |
559 | urb->transfer_buffer_length, |
560 | dev->isoc_ctl.transfer_buffer[i], | |
561 | urb->transfer_dma); | |
562 | } | |
563 | usb_free_urb(urb); | |
564 | dev->isoc_ctl.urb[i] = NULL; | |
565 | } | |
566 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
567 | } | |
568 | ||
60fbfdfd RP |
569 | kfree(dev->isoc_ctl.urb); |
570 | kfree(dev->isoc_ctl.transfer_buffer); | |
c144c037 | 571 | |
60fbfdfd RP |
572 | dev->isoc_ctl.urb = NULL; |
573 | dev->isoc_ctl.transfer_buffer = NULL; | |
c144c037 | 574 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
575 | } |
576 | ||
9701dc94 MCC |
577 | /* |
578 | * Allocate URBs and start IRQ | |
579 | */ | |
8aff8ba9 | 580 | static int tm6000_prepare_isoc(struct tm6000_core *dev) |
9701dc94 MCC |
581 | { |
582 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
5a4b55e2 | 583 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 8; |
9701dc94 | 584 | struct urb *urb; |
204193d9 | 585 | |
9701dc94 MCC |
586 | /* De-allocates all pending stuff */ |
587 | tm6000_uninit_isoc(dev); | |
641d2116 DB |
588 | /* Stop interrupt USB pipe */ |
589 | tm6000_ir_int_stop(dev); | |
9701dc94 | 590 | |
6ae635c4 MCC |
591 | usb_set_interface(dev->udev, |
592 | dev->isoc_in.bInterfaceNumber, | |
593 | dev->isoc_in.bAlternateSetting); | |
594 | ||
641d2116 DB |
595 | /* Start interrupt USB pipe */ |
596 | tm6000_ir_int_start(dev); | |
597 | ||
ee1fc07c | 598 | pipe = usb_rcvisocpipe(dev->udev, |
6ae635c4 | 599 | dev->isoc_in.endp->desc.bEndpointAddress & |
ee1fc07c MCC |
600 | USB_ENDPOINT_NUMBER_MASK); |
601 | ||
602 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
603 | ||
6ae635c4 MCC |
604 | if (size > dev->isoc_in.maxsize) |
605 | size = dev->isoc_in.maxsize; | |
ee1fc07c MCC |
606 | |
607 | dev->isoc_ctl.max_pkt_size = size; | |
608 | ||
8aff8ba9 | 609 | max_packets = TM6000_MAX_ISO_PACKETS; |
ee1fc07c MCC |
610 | sb_size = max_packets * size; |
611 | ||
612 | dev->isoc_ctl.num_bufs = num_bufs; | |
613 | ||
c144c037 | 614 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
615 | if (!dev->isoc_ctl.urb) { |
616 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
617 | return -ENOMEM; | |
618 | } | |
619 | ||
ee1fc07c | 620 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 621 | GFP_KERNEL); |
f8960ee7 | 622 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
623 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
624 | kfree(dev->isoc_ctl.urb); | |
625 | return -ENOMEM; | |
626 | } | |
627 | ||
ee1fc07c MCC |
628 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
629 | " (%d bytes) of %d bytes each to handle %u size\n", | |
630 | max_packets, num_bufs, sb_size, | |
6ae635c4 | 631 | dev->isoc_in.maxsize, size); |
9701dc94 MCC |
632 | |
633 | /* allocate urbs and transfer buffers */ | |
634 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
635 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
636 | if (!urb) { | |
637 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
638 | tm6000_uninit_isoc(dev); | |
c1a16414 | 639 | usb_free_urb(urb); |
9701dc94 MCC |
640 | return -ENOMEM; |
641 | } | |
642 | dev->isoc_ctl.urb[i] = urb; | |
643 | ||
5a11b6fe | 644 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, |
c13dd704 | 645 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
9701dc94 | 646 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
60fbfdfd | 647 | tm6000_err("unable to allocate %i bytes for transfer" |
a228618c MCC |
648 | " buffer %i%s\n", |
649 | sb_size, i, | |
60fbfdfd | 650 | in_interrupt() ? " while in int" : ""); |
9701dc94 MCC |
651 | tm6000_uninit_isoc(dev); |
652 | return -ENOMEM; | |
653 | } | |
654 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
655 | ||
ee1fc07c MCC |
656 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
657 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
658 | tm6000_irq_callback, dma_q); | |
6ae635c4 | 659 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
9701dc94 | 660 | urb->number_of_packets = max_packets; |
ee1fc07c | 661 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 662 | |
9701dc94 | 663 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
664 | urb->iso_frame_desc[j].offset = size * j; |
665 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
666 | } |
667 | } | |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
60fbfdfd | 672 | static int tm6000_start_thread(struct tm6000_core *dev) |
9701dc94 | 673 | { |
c144c037 MCC |
674 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
675 | int i; | |
9701dc94 | 676 | |
60fbfdfd RP |
677 | dma_q->frame = 0; |
678 | dma_q->ini_jiffies = jiffies; | |
9701dc94 MCC |
679 | |
680 | init_waitqueue_head(&dma_q->wq); | |
681 | ||
682 | /* submit urbs and enables IRQ */ | |
683 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 684 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
685 | if (rc) { |
686 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
687 | rc); | |
688 | tm6000_uninit_isoc(dev); | |
689 | return rc; | |
690 | } | |
691 | } | |
692 | ||
9701dc94 MCC |
693 | return 0; |
694 | } | |
695 | ||
9701dc94 | 696 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
697 | * Videobuf operations |
698 | * ------------------------------------------------------------------ | |
699 | */ | |
95a83824 | 700 | |
9701dc94 MCC |
701 | static int |
702 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
703 | { | |
704 | struct tm6000_fh *fh = vq->priv_data; | |
705 | ||
706 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
707 | if (0 == *count) | |
95a83824 ML |
708 | *count = TM6000_DEF_BUF; |
709 | ||
60fbfdfd RP |
710 | if (*count < TM6000_MIN_BUF) |
711 | *count = TM6000_MIN_BUF; | |
95a83824 | 712 | |
9701dc94 MCC |
713 | while (*size * *count > vid_limit * 1024 * 1024) |
714 | (*count)--; | |
95a83824 | 715 | |
9701dc94 MCC |
716 | return 0; |
717 | } | |
718 | ||
719 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
720 | { | |
721f507b MCC |
721 | struct tm6000_fh *fh = vq->priv_data; |
722 | struct tm6000_core *dev = fh->dev; | |
723 | unsigned long flags; | |
724 | ||
9701dc94 MCC |
725 | if (in_interrupt()) |
726 | BUG(); | |
727 | ||
721f507b MCC |
728 | /* We used to wait for the buffer to finish here, but this didn't work |
729 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
730 | videobuf_queue_cancel marked it as finished for us. | |
731 | (Also, it could wedge forever if the hardware was misconfigured.) | |
732 | ||
733 | This should be safe; by the time we get here, the buffer isn't | |
734 | queued anymore. If we ever start marking the buffers as | |
735 | VIDEOBUF_ACTIVE, it won't be, though. | |
736 | */ | |
737 | spin_lock_irqsave(&dev->slock, flags); | |
738 | if (dev->isoc_ctl.buf == buf) | |
739 | dev->isoc_ctl.buf = NULL; | |
740 | spin_unlock_irqrestore(&dev->slock, flags); | |
741 | ||
9701dc94 | 742 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 743 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
744 | } |
745 | ||
746 | static int | |
747 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
748 | enum v4l2_field field) | |
749 | { | |
750 | struct tm6000_fh *fh = vq->priv_data; | |
60fbfdfd | 751 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 752 | struct tm6000_core *dev = fh->dev; |
204193d9 | 753 | int rc = 0, urb_init = 0; |
9701dc94 MCC |
754 | |
755 | BUG_ON(NULL == fh->fmt); | |
756 | ||
9701dc94 MCC |
757 | |
758 | /* FIXME: It assumes depth=2 */ | |
759 | /* The only currently supported format is 16 bits/pixel */ | |
760 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
761 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
762 | return -EINVAL; | |
763 | ||
764 | if (buf->fmt != fh->fmt || | |
765 | buf->vb.width != fh->width || | |
766 | buf->vb.height != fh->height || | |
767 | buf->vb.field != field) { | |
768 | buf->fmt = fh->fmt; | |
769 | buf->vb.width = fh->width; | |
770 | buf->vb.height = fh->height; | |
771 | buf->vb.field = field; | |
47878f16 | 772 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
773 | } |
774 | ||
47878f16 | 775 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ee1fc07c | 776 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
9701dc94 | 777 | goto fail; |
ee1fc07c | 778 | urb_init = 1; |
9701dc94 MCC |
779 | } |
780 | ||
9701dc94 | 781 | if (!dev->isoc_ctl.num_bufs) |
ee1fc07c | 782 | urb_init = 1; |
9701dc94 MCC |
783 | |
784 | if (urb_init) { | |
8aff8ba9 | 785 | rc = tm6000_prepare_isoc(dev); |
c144c037 MCC |
786 | if (rc < 0) |
787 | goto fail; | |
ee1fc07c | 788 | |
c144c037 | 789 | rc = tm6000_start_thread(dev); |
ee1fc07c | 790 | if (rc < 0) |
9701dc94 | 791 | goto fail; |
c144c037 | 792 | |
9701dc94 MCC |
793 | } |
794 | ||
47878f16 | 795 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
796 | return 0; |
797 | ||
798 | fail: | |
ee1fc07c | 799 | free_buffer(vq, buf); |
9701dc94 MCC |
800 | return rc; |
801 | } | |
802 | ||
803 | static void | |
804 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
805 | { | |
60fbfdfd | 806 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 MCC |
807 | struct tm6000_fh *fh = vq->priv_data; |
808 | struct tm6000_core *dev = fh->dev; | |
809 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
810 | |
811 | buf->vb.state = VIDEOBUF_QUEUED; | |
812 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
813 | } |
814 | ||
815 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
816 | { | |
60fbfdfd | 817 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 818 | |
60fbfdfd | 819 | free_buffer(vq, buf); |
9701dc94 MCC |
820 | } |
821 | ||
822 | static struct videobuf_queue_ops tm6000_video_qops = { | |
823 | .buf_setup = buffer_setup, | |
824 | .buf_prepare = buffer_prepare, | |
825 | .buf_queue = buffer_queue, | |
826 | .buf_release = buffer_release, | |
827 | }; | |
828 | ||
829 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
830 | * IOCTL handling |
831 | * ------------------------------------------------------------------ | |
832 | */ | |
9701dc94 | 833 | |
9efd85df | 834 | static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh) |
9701dc94 | 835 | { |
9efd85df MCC |
836 | /* Is the current fh handling it? if so, that's OK */ |
837 | if (dev->resources == fh && dev->is_res_read) | |
838 | return true; | |
839 | ||
840 | return false; | |
841 | } | |
842 | ||
843 | static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh) | |
844 | { | |
845 | /* Is the current fh handling it? if so, that's OK */ | |
846 | if (dev->resources == fh) | |
847 | return true; | |
848 | ||
849 | return false; | |
9701dc94 MCC |
850 | } |
851 | ||
9efd85df MCC |
852 | static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh, |
853 | bool is_res_read) | |
9701dc94 | 854 | { |
9efd85df MCC |
855 | /* Is the current fh handling it? if so, that's OK */ |
856 | if (dev->resources == fh && dev->is_res_read == is_res_read) | |
857 | return true; | |
858 | ||
859 | /* is it free? */ | |
860 | if (dev->resources) | |
861 | return false; | |
862 | ||
863 | /* grab it */ | |
864 | dev->resources = fh; | |
865 | dev->is_res_read = is_res_read; | |
866 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
867 | return true; | |
9701dc94 MCC |
868 | } |
869 | ||
870 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
871 | { | |
9efd85df MCC |
872 | /* Is the current fh handling it? if so, that's OK */ |
873 | if (dev->resources != fh) | |
874 | return; | |
875 | ||
876 | dev->resources = NULL; | |
9701dc94 | 877 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); |
9701dc94 MCC |
878 | } |
879 | ||
880 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
881 | * IOCTL vidioc handling |
882 | * ------------------------------------------------------------------ | |
883 | */ | |
884 | static int vidioc_querycap(struct file *file, void *priv, | |
9701dc94 MCC |
885 | struct v4l2_capability *cap) |
886 | { | |
886a3c0b | 887 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
9701dc94 MCC |
888 | |
889 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
60fbfdfd | 890 | strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
9701dc94 MCC |
891 | cap->version = TM6000_VERSION; |
892 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
893 | V4L2_CAP_STREAMING | | |
886a3c0b | 894 | V4L2_CAP_AUDIO | |
9701dc94 | 895 | V4L2_CAP_READWRITE; |
886a3c0b SR |
896 | |
897 | if (dev->tuner_type != TUNER_ABSENT) | |
898 | cap->capabilities |= V4L2_CAP_TUNER; | |
899 | ||
9701dc94 MCC |
900 | return 0; |
901 | } | |
902 | ||
60fbfdfd | 903 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
904 | struct v4l2_fmtdesc *f) |
905 | { | |
906 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
907 | return -EINVAL; | |
908 | ||
60fbfdfd | 909 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
9701dc94 MCC |
910 | f->pixelformat = format[f->index].fourcc; |
911 | return 0; | |
912 | } | |
913 | ||
60fbfdfd | 914 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
915 | struct v4l2_format *f) |
916 | { | |
60fbfdfd | 917 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
918 | |
919 | f->fmt.pix.width = fh->width; | |
920 | f->fmt.pix.height = fh->height; | |
921 | f->fmt.pix.field = fh->vb_vidq.field; | |
922 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
923 | f->fmt.pix.bytesperline = | |
924 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
925 | f->fmt.pix.sizeimage = | |
926 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
927 | ||
60fbfdfd | 928 | return 0; |
9701dc94 MCC |
929 | } |
930 | ||
60fbfdfd | 931 | static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc) |
9701dc94 MCC |
932 | { |
933 | unsigned int i; | |
934 | ||
935 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
936 | if (format[i].fourcc == fourcc) | |
937 | return format+i; | |
938 | return NULL; | |
939 | } | |
940 | ||
60fbfdfd | 941 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
942 | struct v4l2_format *f) |
943 | { | |
944 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
945 | struct tm6000_fmt *fmt; | |
946 | enum v4l2_field field; | |
947 | ||
948 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
949 | if (NULL == fmt) { | |
950 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
951 | " invalid.\n", f->fmt.pix.pixelformat); | |
952 | return -EINVAL; | |
953 | } | |
954 | ||
955 | field = f->fmt.pix.field; | |
956 | ||
60fbfdfd RP |
957 | if (field == V4L2_FIELD_ANY) |
958 | field = V4L2_FIELD_SEQ_TB; | |
959 | else if (V4L2_FIELD_INTERLACED != field) { | |
9701dc94 MCC |
960 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); |
961 | return -EINVAL; | |
962 | } | |
963 | ||
60fbfdfd | 964 | tm6000_get_std_res(dev); |
9701dc94 | 965 | |
4475c044 MCC |
966 | f->fmt.pix.width = dev->width; |
967 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
968 | |
969 | f->fmt.pix.width &= ~0x01; | |
970 | ||
971 | f->fmt.pix.field = field; | |
972 | ||
973 | f->fmt.pix.bytesperline = | |
974 | (f->fmt.pix.width * fmt->depth) >> 3; | |
975 | f->fmt.pix.sizeimage = | |
976 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
977 | ||
978 | return 0; | |
979 | } | |
980 | ||
981 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
60fbfdfd | 982 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
983 | struct v4l2_format *f) |
984 | { | |
60fbfdfd | 985 | struct tm6000_fh *fh = priv; |
9701dc94 | 986 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 987 | int ret = vidioc_try_fmt_vid_cap(file, fh, f); |
9701dc94 | 988 | if (ret < 0) |
60fbfdfd | 989 | return ret; |
9701dc94 MCC |
990 | |
991 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
992 | fh->width = f->fmt.pix.width; | |
993 | fh->height = f->fmt.pix.height; | |
994 | fh->vb_vidq.field = f->fmt.pix.field; | |
995 | fh->type = f->type; | |
996 | ||
997 | dev->fourcc = f->fmt.pix.pixelformat; | |
998 | ||
999 | tm6000_set_fourcc_format(dev); | |
1000 | ||
60fbfdfd | 1001 | return 0; |
9701dc94 MCC |
1002 | } |
1003 | ||
60fbfdfd | 1004 | static int vidioc_reqbufs(struct file *file, void *priv, |
9701dc94 MCC |
1005 | struct v4l2_requestbuffers *p) |
1006 | { | |
60fbfdfd | 1007 | struct tm6000_fh *fh = priv; |
9701dc94 | 1008 | |
60fbfdfd | 1009 | return videobuf_reqbufs(&fh->vb_vidq, p); |
9701dc94 MCC |
1010 | } |
1011 | ||
60fbfdfd | 1012 | static int vidioc_querybuf(struct file *file, void *priv, |
9701dc94 MCC |
1013 | struct v4l2_buffer *p) |
1014 | { | |
60fbfdfd | 1015 | struct tm6000_fh *fh = priv; |
9701dc94 | 1016 | |
60fbfdfd | 1017 | return videobuf_querybuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1018 | } |
1019 | ||
60fbfdfd | 1020 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1021 | { |
60fbfdfd | 1022 | struct tm6000_fh *fh = priv; |
9701dc94 | 1023 | |
60fbfdfd | 1024 | return videobuf_qbuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1025 | } |
1026 | ||
60fbfdfd | 1027 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1028 | { |
60fbfdfd | 1029 | struct tm6000_fh *fh = priv; |
9701dc94 | 1030 | |
60fbfdfd RP |
1031 | return videobuf_dqbuf(&fh->vb_vidq, p, |
1032 | file->f_flags & O_NONBLOCK); | |
9701dc94 MCC |
1033 | } |
1034 | ||
9701dc94 MCC |
1035 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
1036 | { | |
60fbfdfd | 1037 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1038 | struct tm6000_core *dev = fh->dev; |
1039 | ||
1040 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1041 | return -EINVAL; | |
1042 | if (i != fh->type) | |
1043 | return -EINVAL; | |
1044 | ||
9efd85df | 1045 | if (!res_get(dev, fh, false)) |
9701dc94 MCC |
1046 | return -EBUSY; |
1047 | return (videobuf_streamon(&fh->vb_vidq)); | |
1048 | } | |
1049 | ||
1050 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1051 | { | |
1052 | struct tm6000_fh *fh=priv; | |
1053 | struct tm6000_core *dev = fh->dev; | |
1054 | ||
1055 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1056 | return -EINVAL; | |
1057 | if (i != fh->type) | |
1058 | return -EINVAL; | |
1059 | ||
1060 | videobuf_streamoff(&fh->vb_vidq); | |
1061 | res_free(dev,fh); | |
1062 | ||
1063 | return (0); | |
1064 | } | |
1065 | ||
1066 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) | |
1067 | { | |
1068 | int rc=0; | |
1069 | struct tm6000_fh *fh=priv; | |
1070 | struct tm6000_core *dev = fh->dev; | |
1071 | ||
4f52610e | 1072 | dev->norm = *norm; |
709944ea | 1073 | rc = tm6000_init_analog_mode(dev); |
71e7cfae MCC |
1074 | |
1075 | fh->width = dev->width; | |
1076 | fh->height = dev->height; | |
1077 | ||
9701dc94 MCC |
1078 | if (rc<0) |
1079 | return rc; | |
1080 | ||
427f7fac | 1081 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
9701dc94 MCC |
1082 | |
1083 | return 0; | |
1084 | } | |
1085 | ||
60fbfdfd | 1086 | static int vidioc_enum_input(struct file *file, void *priv, |
9701dc94 MCC |
1087 | struct v4l2_input *inp) |
1088 | { | |
2aefbc1a DB |
1089 | struct tm6000_fh *fh = priv; |
1090 | struct tm6000_core *dev = fh->dev; | |
1091 | ||
9701dc94 MCC |
1092 | switch (inp->index) { |
1093 | case TM6000_INPUT_TV: | |
1094 | inp->type = V4L2_INPUT_TYPE_TUNER; | |
60fbfdfd | 1095 | strcpy(inp->name, "Television"); |
9701dc94 MCC |
1096 | break; |
1097 | case TM6000_INPUT_COMPOSITE: | |
2aefbc1a DB |
1098 | if (dev->caps.has_input_comp) { |
1099 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1100 | strcpy(inp->name, "Composite"); | |
1101 | } else | |
1102 | return -EINVAL; | |
9701dc94 MCC |
1103 | break; |
1104 | case TM6000_INPUT_SVIDEO: | |
2aefbc1a DB |
1105 | if (dev->caps.has_input_svid) { |
1106 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1107 | strcpy(inp->name, "S-Video"); | |
1108 | } else | |
1109 | return -EINVAL; | |
9701dc94 MCC |
1110 | break; |
1111 | default: | |
1112 | return -EINVAL; | |
1113 | } | |
1114 | inp->std = TM6000_STD; | |
1115 | ||
1116 | return 0; | |
1117 | } | |
1118 | ||
60fbfdfd | 1119 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
9701dc94 | 1120 | { |
60fbfdfd | 1121 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1122 | struct tm6000_core *dev = fh->dev; |
1123 | ||
60fbfdfd | 1124 | *i = dev->input; |
9701dc94 MCC |
1125 | |
1126 | return 0; | |
1127 | } | |
60fbfdfd | 1128 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
9701dc94 | 1129 | { |
60fbfdfd | 1130 | struct tm6000_fh *fh = priv; |
9701dc94 | 1131 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1132 | int rc = 0; |
9701dc94 MCC |
1133 | char buf[1]; |
1134 | ||
1135 | switch (i) { | |
1136 | case TM6000_INPUT_TV: | |
60fbfdfd RP |
1137 | dev->input = i; |
1138 | *buf = 0; | |
9701dc94 MCC |
1139 | break; |
1140 | case TM6000_INPUT_COMPOSITE: | |
1141 | case TM6000_INPUT_SVIDEO: | |
60fbfdfd RP |
1142 | dev->input = i; |
1143 | *buf = 1; | |
9701dc94 MCC |
1144 | break; |
1145 | default: | |
1146 | return -EINVAL; | |
1147 | } | |
60fbfdfd | 1148 | rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR, |
9701dc94 MCC |
1149 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); |
1150 | ||
1151 | if (!rc) { | |
60fbfdfd RP |
1152 | dev->input = i; |
1153 | rc = vidioc_s_std(file, priv, &dev->vfd->current_norm); | |
9701dc94 MCC |
1154 | } |
1155 | ||
60fbfdfd | 1156 | return rc; |
9701dc94 MCC |
1157 | } |
1158 | ||
886a3c0b | 1159 | /* --- controls ---------------------------------------------- */ |
60fbfdfd | 1160 | static int vidioc_queryctrl(struct file *file, void *priv, |
9701dc94 MCC |
1161 | struct v4l2_queryctrl *qc) |
1162 | { | |
1163 | int i; | |
1164 | ||
1165 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1166 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1167 | memcpy(qc, &(tm6000_qctrl[i]), | |
1168 | sizeof(*qc)); | |
60fbfdfd | 1169 | return 0; |
9701dc94 MCC |
1170 | } |
1171 | ||
1172 | return -EINVAL; | |
1173 | } | |
1174 | ||
60fbfdfd | 1175 | static int vidioc_g_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1176 | struct v4l2_control *ctrl) |
1177 | { | |
60fbfdfd | 1178 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1179 | struct tm6000_core *dev = fh->dev; |
1180 | int val; | |
1181 | ||
1182 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1183 | switch (ctrl->id) { | |
1184 | case V4L2_CID_CONTRAST: | |
9afec493 | 1185 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
9701dc94 MCC |
1186 | break; |
1187 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1188 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
9701dc94 MCC |
1189 | return 0; |
1190 | case V4L2_CID_SATURATION: | |
9afec493 | 1191 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
9701dc94 MCC |
1192 | return 0; |
1193 | case V4L2_CID_HUE: | |
9afec493 | 1194 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
9701dc94 | 1195 | return 0; |
8aff8ba9 DB |
1196 | case V4L2_CID_AUDIO_MUTE: |
1197 | val = dev->ctl_mute; | |
1198 | return 0; | |
1199 | case V4L2_CID_AUDIO_VOLUME: | |
1200 | val = dev->ctl_volume; | |
1201 | return 0; | |
9701dc94 MCC |
1202 | default: |
1203 | return -EINVAL; | |
1204 | } | |
1205 | ||
60fbfdfd | 1206 | if (val < 0) |
9701dc94 MCC |
1207 | return val; |
1208 | ||
60fbfdfd | 1209 | ctrl->value = val; |
9701dc94 MCC |
1210 | |
1211 | return 0; | |
1212 | } | |
60fbfdfd | 1213 | static int vidioc_s_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1214 | struct v4l2_control *ctrl) |
1215 | { | |
60fbfdfd | 1216 | struct tm6000_fh *fh = priv; |
9701dc94 | 1217 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1218 | u8 val = ctrl->value; |
9701dc94 MCC |
1219 | |
1220 | switch (ctrl->id) { | |
1221 | case V4L2_CID_CONTRAST: | |
60fbfdfd | 1222 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
9701dc94 MCC |
1223 | return 0; |
1224 | case V4L2_CID_BRIGHTNESS: | |
60fbfdfd | 1225 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1226 | return 0; |
1227 | case V4L2_CID_SATURATION: | |
60fbfdfd | 1228 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1229 | return 0; |
1230 | case V4L2_CID_HUE: | |
60fbfdfd | 1231 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
9701dc94 | 1232 | return 0; |
8aff8ba9 DB |
1233 | case V4L2_CID_AUDIO_MUTE: |
1234 | dev->ctl_mute = val; | |
1235 | tm6000_tvaudio_set_mute(dev, val); | |
1236 | return 0; | |
1237 | case V4L2_CID_AUDIO_VOLUME: | |
1238 | dev->ctl_volume = val; | |
1239 | tm6000_set_volume(dev, val); | |
1240 | return 0; | |
9701dc94 MCC |
1241 | } |
1242 | return -EINVAL; | |
1243 | } | |
1244 | ||
60fbfdfd | 1245 | static int vidioc_g_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1246 | struct v4l2_tuner *t) |
1247 | { | |
60fbfdfd | 1248 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1249 | struct tm6000_core *dev = fh->dev; |
1250 | ||
1251 | if (unlikely(UNSET == dev->tuner_type)) | |
1252 | return -EINVAL; | |
1253 | if (0 != t->index) | |
1254 | return -EINVAL; | |
1255 | ||
1256 | strcpy(t->name, "Television"); | |
1257 | t->type = V4L2_TUNER_ANALOG_TV; | |
1258 | t->capability = V4L2_TUNER_CAP_NORM; | |
1259 | t->rangehigh = 0xffffffffUL; | |
886a3c0b SR |
1260 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
1261 | ||
1262 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1263 | ||
1264 | t->audmode = dev->amode; | |
9701dc94 MCC |
1265 | |
1266 | return 0; | |
1267 | } | |
1268 | ||
60fbfdfd | 1269 | static int vidioc_s_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1270 | struct v4l2_tuner *t) |
1271 | { | |
60fbfdfd | 1272 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1273 | struct tm6000_core *dev = fh->dev; |
1274 | ||
1275 | if (UNSET == dev->tuner_type) | |
1276 | return -EINVAL; | |
1277 | if (0 != t->index) | |
1278 | return -EINVAL; | |
1279 | ||
886a3c0b SR |
1280 | dev->amode = t->audmode; |
1281 | dprintk(dev, 3, "audio mode: %x\n", t->audmode); | |
1282 | ||
1283 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); | |
9701dc94 MCC |
1284 | return 0; |
1285 | } | |
1286 | ||
60fbfdfd | 1287 | static int vidioc_g_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1288 | struct v4l2_frequency *f) |
1289 | { | |
60fbfdfd | 1290 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1291 | struct tm6000_core *dev = fh->dev; |
1292 | ||
1293 | if (unlikely(UNSET == dev->tuner_type)) | |
1294 | return -EINVAL; | |
1295 | ||
8aff8ba9 | 1296 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
9701dc94 MCC |
1297 | f->frequency = dev->freq; |
1298 | ||
427f7fac | 1299 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1300 | |
1301 | return 0; | |
1302 | } | |
1303 | ||
60fbfdfd | 1304 | static int vidioc_s_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1305 | struct v4l2_frequency *f) |
1306 | { | |
60fbfdfd | 1307 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1308 | struct tm6000_core *dev = fh->dev; |
1309 | ||
9701dc94 MCC |
1310 | if (unlikely(UNSET == dev->tuner_type)) |
1311 | return -EINVAL; | |
1312 | if (unlikely(f->tuner != 0)) | |
1313 | return -EINVAL; | |
8aff8ba9 DB |
1314 | if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) |
1315 | return -EINVAL; | |
1316 | if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) | |
1317 | return -EINVAL; | |
9701dc94 | 1318 | |
9701dc94 | 1319 | dev->freq = f->frequency; |
64d339d4 | 1320 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1321 | |
1322 | return 0; | |
1323 | } | |
1324 | ||
8aff8ba9 DB |
1325 | static int radio_querycap(struct file *file, void *priv, |
1326 | struct v4l2_capability *cap) | |
1327 | { | |
1328 | struct tm6000_fh *fh = file->private_data; | |
1329 | struct tm6000_core *dev = fh->dev; | |
1330 | ||
1331 | strcpy(cap->driver, "tm6000"); | |
1332 | strlcpy(cap->card, dev->name, sizeof(dev->name)); | |
1333 | sprintf(cap->bus_info, "USB%04x:%04x", | |
1334 | le16_to_cpu(dev->udev->descriptor.idVendor), | |
1335 | le16_to_cpu(dev->udev->descriptor.idProduct)); | |
1336 | cap->version = dev->dev_type; | |
886a3c0b SR |
1337 | cap->capabilities = V4L2_CAP_TUNER | |
1338 | V4L2_CAP_AUDIO | | |
1339 | V4L2_CAP_RADIO | | |
1340 | V4L2_CAP_READWRITE | | |
1341 | V4L2_CAP_STREAMING; | |
8aff8ba9 DB |
1342 | |
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | static int radio_g_tuner(struct file *file, void *priv, | |
1347 | struct v4l2_tuner *t) | |
1348 | { | |
1349 | struct tm6000_fh *fh = file->private_data; | |
1350 | struct tm6000_core *dev = fh->dev; | |
1351 | ||
1352 | if (0 != t->index) | |
1353 | return -EINVAL; | |
1354 | ||
1355 | memset(t, 0, sizeof(*t)); | |
1356 | strcpy(t->name, "Radio"); | |
1357 | t->type = V4L2_TUNER_RADIO; | |
886a3c0b | 1358 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
8aff8ba9 DB |
1359 | |
1360 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1361 | ||
8aff8ba9 DB |
1362 | return 0; |
1363 | } | |
1364 | ||
1365 | static int radio_s_tuner(struct file *file, void *priv, | |
1366 | struct v4l2_tuner *t) | |
1367 | { | |
1368 | struct tm6000_fh *fh = file->private_data; | |
1369 | struct tm6000_core *dev = fh->dev; | |
1370 | ||
1371 | if (0 != t->index) | |
1372 | return -EINVAL; | |
1373 | ||
1374 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); | |
1375 | ||
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | static int radio_enum_input(struct file *file, void *priv, | |
1380 | struct v4l2_input *i) | |
1381 | { | |
1382 | if (i->index != 0) | |
1383 | return -EINVAL; | |
1384 | ||
1385 | strcpy(i->name, "Radio"); | |
1386 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1387 | ||
1388 | return 0; | |
1389 | } | |
1390 | ||
1391 | static int radio_g_input(struct file *filp, void *priv, unsigned int *i) | |
1392 | { | |
1393 | *i = 0; | |
1394 | return 0; | |
1395 | } | |
1396 | ||
1397 | static int radio_g_audio(struct file *file, void *priv, | |
1398 | struct v4l2_audio *a) | |
1399 | { | |
1400 | memset(a, 0, sizeof(*a)); | |
1401 | strcpy(a->name, "Radio"); | |
1402 | return 0; | |
1403 | } | |
1404 | ||
1405 | static int radio_s_audio(struct file *file, void *priv, | |
1406 | struct v4l2_audio *a) | |
1407 | { | |
1408 | return 0; | |
1409 | } | |
1410 | ||
1411 | static int radio_s_input(struct file *filp, void *priv, unsigned int i) | |
1412 | { | |
1413 | return 0; | |
1414 | } | |
1415 | ||
1416 | static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) | |
1417 | { | |
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | static int radio_queryctrl(struct file *file, void *priv, | |
1422 | struct v4l2_queryctrl *c) | |
1423 | { | |
1424 | const struct v4l2_queryctrl *ctrl; | |
1425 | ||
1426 | if (c->id < V4L2_CID_BASE || | |
1427 | c->id >= V4L2_CID_LASTP1) | |
1428 | return -EINVAL; | |
1429 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
1430 | ctrl = ctrl_by_id(c->id); | |
1431 | *c = *ctrl; | |
1432 | } else | |
1433 | *c = no_ctrl; | |
1434 | ||
1435 | return 0; | |
1436 | } | |
1437 | ||
9701dc94 MCC |
1438 | /* ------------------------------------------------------------------ |
1439 | File operations for the device | |
1440 | ------------------------------------------------------------------*/ | |
1441 | ||
64d339d4 | 1442 | static int tm6000_open(struct file *file) |
9701dc94 | 1443 | { |
0a34df53 MCC |
1444 | struct video_device *vdev = video_devdata(file); |
1445 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 | 1446 | struct tm6000_fh *fh; |
e8d04167 | 1447 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
60fbfdfd | 1448 | int i, rc; |
8aff8ba9 | 1449 | int radio = 0; |
9701dc94 | 1450 | |
0a34df53 MCC |
1451 | printk(KERN_INFO "tm6000: open called (dev=%s)\n", |
1452 | video_device_node_name(vdev)); | |
7c3f53ec | 1453 | |
0a34df53 MCC |
1454 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1455 | video_device_node_name(vdev)); | |
9701dc94 | 1456 | |
8aff8ba9 DB |
1457 | switch (vdev->vfl_type) { |
1458 | case VFL_TYPE_GRABBER: | |
1459 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1460 | break; | |
1461 | case VFL_TYPE_VBI: | |
1462 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1463 | break; | |
1464 | case VFL_TYPE_RADIO: | |
1465 | radio = 1; | |
1466 | break; | |
1467 | } | |
9701dc94 MCC |
1468 | |
1469 | /* If more than one user, mutex should be added */ | |
1470 | dev->users++; | |
1471 | ||
0a34df53 MCC |
1472 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1473 | video_device_node_name(vdev), v4l2_type_names[type], | |
1474 | dev->users); | |
9701dc94 MCC |
1475 | |
1476 | /* allocate + initialize per filehandle data */ | |
60fbfdfd | 1477 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
9701dc94 MCC |
1478 | if (NULL == fh) { |
1479 | dev->users--; | |
1480 | return -ENOMEM; | |
1481 | } | |
1482 | ||
1483 | file->private_data = fh; | |
1484 | fh->dev = dev; | |
8aff8ba9 DB |
1485 | fh->radio = radio; |
1486 | dev->radio = radio; | |
1487 | fh->type = type; | |
9701dc94 MCC |
1488 | dev->fourcc = format[0].fourcc; |
1489 | ||
1490 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 MCC |
1491 | |
1492 | tm6000_get_std_res (dev); | |
1493 | ||
1494 | fh->width = dev->width; | |
1495 | fh->height = dev->height; | |
9701dc94 MCC |
1496 | |
1497 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1498 | "dev->vidq=0x%08lx\n", | |
1499 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); | |
1500 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1501 | "queued=%d\n",list_empty(&dev->vidq.queued)); | |
1502 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1503 | "active=%d\n",list_empty(&dev->vidq.active)); | |
1504 | ||
1505 | /* initialize hardware on analog mode */ | |
589851d5 MCC |
1506 | rc = tm6000_init_analog_mode(dev); |
1507 | if (rc < 0) | |
1508 | return rc; | |
9701dc94 | 1509 | |
589851d5 | 1510 | if (dev->mode != TM6000_MODE_ANALOG) { |
9701dc94 MCC |
1511 | /* Put all controls at a sane state */ |
1512 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
589851d5 | 1513 | qctl_regs[i] = tm6000_qctrl[i].default_value; |
9701dc94 | 1514 | |
589851d5 MCC |
1515 | dev->mode = TM6000_MODE_ANALOG; |
1516 | } | |
9701dc94 MCC |
1517 | |
1518 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1519 | NULL, &dev->slock, | |
1520 | fh->type, | |
1521 | V4L2_FIELD_INTERLACED, | |
dc961136 | 1522 | sizeof(struct tm6000_buffer), fh, &dev->lock); |
9701dc94 | 1523 | |
8aff8ba9 DB |
1524 | if (fh->radio) { |
1525 | dprintk(dev, V4L2_DEBUG_OPEN, "video_open: setting radio device\n"); | |
1526 | tm6000_set_audio_input(dev, dev->aradio); | |
1527 | tm6000_set_volume(dev, dev->ctl_volume); | |
1528 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); | |
1529 | tm6000_prepare_isoc(dev); | |
1530 | tm6000_start_thread(dev); | |
1531 | } | |
1532 | else { | |
1533 | tm6000_set_audio_input(dev, dev->avideo); | |
1534 | tm6000_set_volume(dev, dev->ctl_volume); | |
1535 | } | |
1536 | ||
9701dc94 MCC |
1537 | return 0; |
1538 | } | |
1539 | ||
1540 | static ssize_t | |
1541 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1542 | { | |
1543 | struct tm6000_fh *fh = file->private_data; | |
1544 | ||
1545 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
9efd85df | 1546 | if (!res_get(fh->dev, fh, true)) |
9701dc94 MCC |
1547 | return -EBUSY; |
1548 | ||
1549 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
1550 | file->f_flags & O_NONBLOCK); | |
1551 | } | |
1552 | return 0; | |
1553 | } | |
1554 | ||
1555 | static unsigned int | |
1556 | tm6000_poll(struct file *file, struct poll_table_struct *wait) | |
1557 | { | |
1558 | struct tm6000_fh *fh = file->private_data; | |
1559 | struct tm6000_buffer *buf; | |
1560 | ||
1561 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1562 | return POLLERR; | |
1563 | ||
9efd85df MCC |
1564 | if (!!is_res_streaming(fh->dev, fh)) |
1565 | return POLLERR; | |
1566 | ||
1567 | if (!is_res_read(fh->dev, fh)) { | |
9701dc94 MCC |
1568 | /* streaming capture */ |
1569 | if (list_empty(&fh->vb_vidq.stream)) | |
1570 | return POLLERR; | |
1571 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); | |
1572 | } else { | |
1573 | /* read() capture */ | |
dc6a02aa MCC |
1574 | return videobuf_poll_stream(file, &fh->vb_vidq, |
1575 | wait); | |
9701dc94 MCC |
1576 | } |
1577 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1578 | if (buf->vb.state == VIDEOBUF_DONE || |
1579 | buf->vb.state == VIDEOBUF_ERROR) | |
60fbfdfd | 1580 | return POLLIN | POLLRDNORM; |
9701dc94 MCC |
1581 | return 0; |
1582 | } | |
1583 | ||
64d339d4 | 1584 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1585 | { |
1586 | struct tm6000_fh *fh = file->private_data; | |
1587 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1588 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1589 | |
0a34df53 MCC |
1590 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1591 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1592 | |
a58d35cb MCC |
1593 | dev->users--; |
1594 | ||
9efd85df | 1595 | res_free(dev, fh); |
a58d35cb | 1596 | if (!dev->users) { |
c144c037 | 1597 | tm6000_uninit_isoc(dev); |
a58d35cb MCC |
1598 | videobuf_mmap_free(&fh->vb_vidq); |
1599 | } | |
9701dc94 | 1600 | |
60fbfdfd | 1601 | kfree(fh); |
9701dc94 | 1602 | |
9701dc94 MCC |
1603 | return 0; |
1604 | } | |
1605 | ||
1606 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1607 | { | |
1608 | struct tm6000_fh *fh = file->private_data; | |
1609 | int ret; | |
1610 | ||
60fbfdfd | 1611 | ret = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
9701dc94 MCC |
1612 | |
1613 | return ret; | |
1614 | } | |
1615 | ||
64d339d4 | 1616 | static struct v4l2_file_operations tm6000_fops = { |
9701dc94 MCC |
1617 | .owner = THIS_MODULE, |
1618 | .open = tm6000_open, | |
1619 | .release = tm6000_release, | |
dc961136 | 1620 | .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ |
9701dc94 MCC |
1621 | .read = tm6000_read, |
1622 | .poll = tm6000_poll, | |
1623 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1624 | }; |
1625 | ||
2a8145d4 MCC |
1626 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1627 | .vidioc_querycap = vidioc_querycap, | |
1628 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1629 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1630 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1631 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1632 | .vidioc_s_std = vidioc_s_std, | |
1633 | .vidioc_enum_input = vidioc_enum_input, | |
1634 | .vidioc_g_input = vidioc_g_input, | |
1635 | .vidioc_s_input = vidioc_s_input, | |
1636 | .vidioc_queryctrl = vidioc_queryctrl, | |
1637 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1638 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1639 | .vidioc_g_tuner = vidioc_g_tuner, | |
1640 | .vidioc_s_tuner = vidioc_s_tuner, | |
1641 | .vidioc_g_frequency = vidioc_g_frequency, | |
1642 | .vidioc_s_frequency = vidioc_s_frequency, | |
1643 | .vidioc_streamon = vidioc_streamon, | |
1644 | .vidioc_streamoff = vidioc_streamoff, | |
1645 | .vidioc_reqbufs = vidioc_reqbufs, | |
1646 | .vidioc_querybuf = vidioc_querybuf, | |
1647 | .vidioc_qbuf = vidioc_qbuf, | |
1648 | .vidioc_dqbuf = vidioc_dqbuf, | |
2a8145d4 MCC |
1649 | }; |
1650 | ||
9701dc94 MCC |
1651 | static struct video_device tm6000_template = { |
1652 | .name = "tm6000", | |
9701dc94 | 1653 | .fops = &tm6000_fops, |
2a8145d4 | 1654 | .ioctl_ops = &video_ioctl_ops, |
9701dc94 | 1655 | .release = video_device_release, |
2a8145d4 MCC |
1656 | .tvnorms = TM6000_STD, |
1657 | .current_norm = V4L2_STD_NTSC_M, | |
9701dc94 | 1658 | }; |
2a8145d4 | 1659 | |
8aff8ba9 DB |
1660 | static const struct v4l2_file_operations radio_fops = { |
1661 | .owner = THIS_MODULE, | |
1662 | .open = tm6000_open, | |
1663 | .release = tm6000_release, | |
1664 | .ioctl = video_ioctl2, | |
1665 | }; | |
1666 | ||
1667 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
1668 | .vidioc_querycap = radio_querycap, | |
1669 | .vidioc_g_tuner = radio_g_tuner, | |
1670 | .vidioc_enum_input = radio_enum_input, | |
1671 | .vidioc_g_audio = radio_g_audio, | |
1672 | .vidioc_s_tuner = radio_s_tuner, | |
1673 | .vidioc_s_audio = radio_s_audio, | |
1674 | .vidioc_s_input = radio_s_input, | |
1675 | .vidioc_s_std = radio_s_std, | |
1676 | .vidioc_queryctrl = radio_queryctrl, | |
1677 | .vidioc_g_input = radio_g_input, | |
1678 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1679 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1680 | .vidioc_g_frequency = vidioc_g_frequency, | |
1681 | .vidioc_s_frequency = vidioc_s_frequency, | |
1682 | }; | |
1683 | ||
1684 | struct video_device tm6000_radio_template = { | |
1685 | .name = "tm6000", | |
1686 | .fops = &radio_fops, | |
1687 | .ioctl_ops = &radio_ioctl_ops, | |
1688 | }; | |
1689 | ||
9701dc94 | 1690 | /* ----------------------------------------------------------------- |
60fbfdfd RP |
1691 | * Initialization and module stuff |
1692 | * ------------------------------------------------------------------ | |
1693 | */ | |
9701dc94 | 1694 | |
3c61be44 DB |
1695 | static struct video_device *vdev_init(struct tm6000_core *dev, |
1696 | const struct video_device | |
1697 | *template, const char *type_name) | |
9701dc94 | 1698 | { |
7c3f53ec ML |
1699 | struct video_device *vfd; |
1700 | ||
1701 | vfd = video_device_alloc(); | |
3c61be44 DB |
1702 | if (NULL == vfd) |
1703 | return NULL; | |
1704 | ||
1705 | *vfd = *template; | |
1706 | vfd->v4l2_dev = &dev->v4l2_dev; | |
1707 | vfd->release = video_device_release; | |
1708 | vfd->debug = tm6000_debug; | |
1709 | vfd->lock = &dev->lock; | |
1710 | ||
1711 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); | |
1712 | ||
1713 | video_set_drvdata(vfd, dev); | |
1714 | return vfd; | |
1715 | } | |
1716 | ||
1717 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1718 | { | |
1719 | int ret = -1; | |
1720 | ||
1721 | dev->vfd = vdev_init(dev, &tm6000_template, "video"); | |
1722 | ||
1723 | if (!dev->vfd) { | |
1724 | printk(KERN_INFO "%s: can't register video device\n", | |
1725 | dev->name); | |
7c3f53ec ML |
1726 | return -ENOMEM; |
1727 | } | |
9701dc94 | 1728 | |
9701dc94 MCC |
1729 | /* init video dma queues */ |
1730 | INIT_LIST_HEAD(&dev->vidq.active); | |
1731 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1732 | ||
3c61be44 | 1733 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
dc961136 | 1734 | |
3c61be44 DB |
1735 | if (ret < 0) { |
1736 | printk(KERN_INFO "%s: can't register video device\n", | |
1737 | dev->name); | |
1738 | return ret; | |
1739 | } | |
1740 | ||
1741 | printk(KERN_INFO "%s: registered device %s\n", | |
1742 | dev->name, video_device_node_name(dev->vfd)); | |
9701dc94 | 1743 | |
14169107 SR |
1744 | if (dev->caps.has_radio) { |
1745 | dev->radio_dev = vdev_init(dev, &tm6000_radio_template, | |
1746 | "radio"); | |
1747 | if (!dev->radio_dev) { | |
1748 | printk(KERN_INFO "%s: can't register radio device\n", | |
1749 | dev->name); | |
1750 | return ret; /* FIXME release resource */ | |
1751 | } | |
8aff8ba9 | 1752 | |
14169107 SR |
1753 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, |
1754 | radio_nr); | |
1755 | if (ret < 0) { | |
1756 | printk(KERN_INFO "%s: can't register radio device\n", | |
1757 | dev->name); | |
1758 | return ret; /* FIXME release resource */ | |
1759 | } | |
8aff8ba9 | 1760 | |
14169107 SR |
1761 | printk(KERN_INFO "%s: registered device %s\n", |
1762 | dev->name, video_device_node_name(dev->radio_dev)); | |
1763 | } | |
8aff8ba9 | 1764 | |
e28f49b0 | 1765 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 MCC |
1766 | return ret; |
1767 | } | |
1768 | ||
1769 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1770 | { | |
7c3f53ec | 1771 | video_unregister_device(dev->vfd); |
22927e8e | 1772 | |
8aff8ba9 DB |
1773 | if (dev->radio_dev) { |
1774 | if (video_is_registered(dev->radio_dev)) | |
1775 | video_unregister_device(dev->radio_dev); | |
1776 | else | |
1777 | video_device_release(dev->radio_dev); | |
1778 | dev->radio_dev = NULL; | |
1779 | } | |
1780 | ||
9701dc94 MCC |
1781 | return 0; |
1782 | } | |
1783 | ||
1784 | int tm6000_v4l2_exit(void) | |
1785 | { | |
1786 | return 0; | |
1787 | } | |
1788 | ||
1789 | module_param(video_nr, int, 0); | |
60fbfdfd | 1790 | MODULE_PARM_DESC(video_nr, "Allow changing video device number"); |
9701dc94 | 1791 | |
60fbfdfd RP |
1792 | module_param_named(debug, tm6000_debug, int, 0444); |
1793 | MODULE_PARM_DESC(debug, "activates debug info"); | |
9701dc94 | 1794 | |
60fbfdfd RP |
1795 | module_param(vid_limit, int, 0644); |
1796 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
9701dc94 | 1797 |