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e0d3bafd SD |
1 | /* |
2 | cx231xx-video.c - driver for Conexant Cx23100/101/102 USB video capture devices | |
3 | ||
4 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> | |
5 | Based on em28xx driver | |
6 | Based on cx23885 driver | |
7 | Based on cx88 driver | |
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; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | ||
25 | #include <linux/init.h> | |
26 | #include <linux/list.h> | |
27 | #include <linux/module.h> | |
28 | #include <linux/kernel.h> | |
29 | #include <linux/bitmap.h> | |
30 | #include <linux/usb.h> | |
31 | #include <linux/i2c.h> | |
32 | #include <linux/version.h> | |
33 | #include <linux/mm.h> | |
34 | #include <linux/mutex.h> | |
35 | ||
36 | #include <media/v4l2-common.h> | |
37 | #include <media/v4l2-ioctl.h> | |
38 | #include <media/v4l2-chip-ident.h> | |
39 | #include <media/msp3400.h> | |
40 | #include <media/tuner.h> | |
41 | ||
42 | #include "dvb_frontend.h" | |
43 | ||
44 | #include "cx231xx.h" | |
45 | #include "cx231xx-vbi.h" | |
46 | ||
47 | ||
48 | #define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>" | |
49 | #define DRIVER_DESC "Conexant cx231xx based USB video device driver" | |
50 | ||
51 | ||
52 | #define cx231xx_videodbg(fmt, arg...) do {\ | |
53 | if (video_debug) \ | |
54 | printk(KERN_INFO "%s %s :"fmt, \ | |
55 | dev->name, __func__ , ##arg); } while (0) | |
56 | ||
57 | static unsigned int isoc_debug; | |
58 | module_param(isoc_debug, int, 0644); | |
59 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
60 | ||
61 | #define cx231xx_isocdbg(fmt, arg...) \ | |
62 | do {\ | |
63 | if (isoc_debug) { \ | |
64 | printk(KERN_INFO "%s %s :"fmt, \ | |
65 | dev->name, __func__ , ##arg); \ | |
66 | } \ | |
67 | } while (0) | |
68 | ||
69 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
70 | MODULE_DESCRIPTION(DRIVER_DESC); | |
71 | MODULE_LICENSE("GPL"); | |
72 | ||
73 | ||
74 | ||
75 | static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
76 | static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
77 | static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
78 | static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
79 | ||
80 | module_param_array(card, int, NULL, 0444); | |
81 | module_param_array(video_nr, int, NULL, 0444); | |
82 | module_param_array(vbi_nr, int, NULL, 0444); | |
83 | module_param_array(radio_nr, int, NULL, 0444); | |
84 | ||
85 | MODULE_PARM_DESC(card, "card type"); | |
86 | MODULE_PARM_DESC(video_nr, "video device numbers"); | |
87 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); | |
88 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); | |
89 | ||
90 | static unsigned int video_debug; | |
91 | module_param(video_debug, int, 0644); | |
92 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
93 | ||
94 | ||
95 | ||
96 | /* supported video standards */ | |
97 | static struct cx231xx_fmt format[] = { | |
98 | { | |
99 | .name = "16bpp YUY2, 4:2:2, packed", | |
100 | .fourcc = V4L2_PIX_FMT_YUYV, | |
101 | .depth = 16, | |
102 | .reg = 0, | |
103 | }, | |
104 | }; | |
105 | ||
106 | ||
107 | /* supported controls */ | |
108 | /* Common to all boards */ | |
109 | ||
110 | /* ------------------------------------------------------------------- */ | |
111 | ||
112 | static const struct v4l2_queryctrl no_ctl = { | |
113 | .name = "42", | |
114 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
115 | }; | |
116 | ||
117 | static struct cx231xx_ctrl cx231xx_ctls[] = { | |
118 | /* --- video --- */ | |
119 | { | |
120 | .v = { | |
121 | .id = V4L2_CID_BRIGHTNESS, | |
122 | .name = "Brightness", | |
123 | .minimum = 0x00, | |
124 | .maximum = 0xff, | |
125 | .step = 1, | |
126 | .default_value = 0x7f, | |
127 | .type = V4L2_CTRL_TYPE_INTEGER, | |
128 | }, | |
129 | .off = 128, | |
130 | .reg = LUMA_CTRL, | |
131 | .mask = 0x00ff, | |
132 | .shift = 0, | |
133 | }, { | |
134 | .v = { | |
135 | .id = V4L2_CID_CONTRAST, | |
136 | .name = "Contrast", | |
137 | .minimum = 0, | |
138 | .maximum = 0xff, | |
139 | .step = 1, | |
140 | .default_value = 0x3f, | |
141 | .type = V4L2_CTRL_TYPE_INTEGER, | |
142 | }, | |
143 | .off = 0, | |
144 | .reg = LUMA_CTRL, | |
145 | .mask = 0xff00, | |
146 | .shift = 8, | |
147 | }, { | |
148 | .v = { | |
149 | .id = V4L2_CID_HUE, | |
150 | .name = "Hue", | |
151 | .minimum = 0, | |
152 | .maximum = 0xff, | |
153 | .step = 1, | |
154 | .default_value = 0x7f, | |
155 | .type = V4L2_CTRL_TYPE_INTEGER, | |
156 | }, | |
157 | .off = 128, | |
158 | .reg = CHROMA_CTRL, | |
159 | .mask = 0xff0000, | |
160 | .shift = 16, | |
161 | }, { | |
162 | /* strictly, this only describes only U saturation. | |
163 | * V saturation is handled specially through code. | |
164 | */ | |
165 | .v = { | |
166 | .id = V4L2_CID_SATURATION, | |
167 | .name = "Saturation", | |
168 | .minimum = 0, | |
169 | .maximum = 0xff, | |
170 | .step = 1, | |
171 | .default_value = 0x7f, | |
172 | .type = V4L2_CTRL_TYPE_INTEGER, | |
173 | }, | |
174 | .off = 0, | |
175 | .reg = CHROMA_CTRL, | |
176 | .mask = 0x00ff, | |
177 | .shift = 0, | |
178 | }, { | |
179 | /* --- audio --- */ | |
180 | .v = { | |
181 | .id = V4L2_CID_AUDIO_MUTE, | |
182 | .name = "Mute", | |
183 | .minimum = 0, | |
184 | .maximum = 1, | |
185 | .default_value = 1, | |
186 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
187 | }, | |
188 | .reg = PATH1_CTL1, | |
189 | .mask = (0x1f << 24), | |
190 | .shift = 24, | |
191 | }, { | |
192 | .v = { | |
193 | .id = V4L2_CID_AUDIO_VOLUME, | |
194 | .name = "Volume", | |
195 | .minimum = 0, | |
196 | .maximum = 0x3f, | |
197 | .step = 1, | |
198 | .default_value = 0x3f, | |
199 | .type = V4L2_CTRL_TYPE_INTEGER, | |
200 | }, | |
201 | .reg = PATH1_VOL_CTL, | |
202 | .mask = 0xff, | |
203 | .shift = 0, | |
204 | } | |
205 | }; | |
206 | static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls); | |
207 | ||
208 | static const u32 cx231xx_user_ctrls[] = { | |
209 | V4L2_CID_USER_CLASS, | |
210 | V4L2_CID_BRIGHTNESS, | |
211 | V4L2_CID_CONTRAST, | |
212 | V4L2_CID_SATURATION, | |
213 | V4L2_CID_HUE, | |
214 | V4L2_CID_AUDIO_VOLUME, | |
215 | #if 0 | |
216 | V4L2_CID_AUDIO_BALANCE, | |
217 | #endif | |
218 | V4L2_CID_AUDIO_MUTE, | |
219 | 0 | |
220 | }; | |
221 | ||
222 | static const u32 *ctrl_classes[] = { | |
223 | cx231xx_user_ctrls, | |
224 | NULL | |
225 | }; | |
226 | ||
227 | ||
228 | /* ------------------------------------------------------------------ | |
229 | Video buffer and parser functions | |
230 | ------------------------------------------------------------------*/ | |
231 | ||
232 | /* | |
233 | * Announces that a buffer were filled and request the next | |
234 | */ | |
235 | static inline void buffer_filled(struct cx231xx *dev, | |
236 | struct cx231xx_dmaqueue *dma_q, | |
237 | struct cx231xx_buffer *buf) | |
238 | { | |
239 | /* Advice that buffer was filled */ | |
240 | cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
241 | buf->vb.state = VIDEOBUF_DONE; | |
242 | buf->vb.field_count++; | |
243 | do_gettimeofday(&buf->vb.ts); | |
244 | ||
245 | dev->video_mode.isoc_ctl.buf = NULL; | |
246 | ||
247 | list_del(&buf->vb.queue); | |
248 | wake_up(&buf->vb.done); | |
249 | } | |
250 | ||
251 | ||
252 | static inline void print_err_status(struct cx231xx *dev, | |
253 | int packet, int status) | |
254 | { | |
255 | char *errmsg = "Unknown"; | |
256 | ||
257 | switch (status) { | |
258 | case -ENOENT: | |
259 | errmsg = "unlinked synchronuously"; | |
260 | break; | |
261 | case -ECONNRESET: | |
262 | errmsg = "unlinked asynchronuously"; | |
263 | break; | |
264 | case -ENOSR: | |
265 | errmsg = "Buffer error (overrun)"; | |
266 | break; | |
267 | case -EPIPE: | |
268 | errmsg = "Stalled (device not responding)"; | |
269 | break; | |
270 | case -EOVERFLOW: | |
271 | errmsg = "Babble (bad cable?)"; | |
272 | break; | |
273 | case -EPROTO: | |
274 | errmsg = "Bit-stuff error (bad cable?)"; | |
275 | break; | |
276 | case -EILSEQ: | |
277 | errmsg = "CRC/Timeout (could be anything)"; | |
278 | break; | |
279 | case -ETIME: | |
280 | errmsg = "Device does not respond"; | |
281 | break; | |
282 | } | |
283 | if (packet < 0) { | |
284 | cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); | |
285 | } else { | |
286 | cx231xx_isocdbg("URB packet %d, status %d [%s].\n", | |
287 | packet, status, errmsg); | |
288 | } | |
289 | } | |
290 | ||
291 | /* | |
292 | * video-buf generic routine to get the next available buffer | |
293 | */ | |
294 | static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, | |
295 | struct cx231xx_buffer **buf) | |
296 | { | |
297 | struct cx231xx_video_mode *vmode = container_of(dma_q, struct cx231xx_video_mode, vidq); | |
298 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); | |
299 | ||
300 | char *outp; | |
301 | ||
302 | ||
303 | if (list_empty(&dma_q->active)) { | |
304 | cx231xx_isocdbg("No active queue to serve\n"); | |
305 | dev->video_mode.isoc_ctl.buf = NULL; | |
306 | *buf = NULL; | |
307 | return; | |
308 | } | |
309 | ||
310 | /* Get the next buffer */ | |
311 | *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue); | |
312 | ||
313 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ | |
314 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
315 | memset(outp, 0, (*buf)->vb.size); | |
316 | ||
317 | dev->video_mode.isoc_ctl.buf = *buf; | |
318 | ||
319 | return; | |
320 | } | |
321 | ||
322 | /* | |
323 | * Controls the isoc copy of each urb packet | |
324 | */ | |
325 | static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) | |
326 | { | |
327 | struct cx231xx_buffer *buf; | |
328 | struct cx231xx_dmaqueue *dma_q = urb->context; | |
329 | unsigned char *outp = NULL; | |
330 | int i, rc = 1; | |
331 | unsigned char *p_buffer; | |
332 | u32 bytes_parsed = 0, buffer_size = 0; | |
333 | u8 sav_eav = 0; | |
334 | ||
335 | if (!dev) | |
336 | return 0; | |
337 | ||
338 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
339 | return 0; | |
340 | ||
341 | if (urb->status < 0) { | |
342 | print_err_status(dev, -1, urb->status); | |
343 | if (urb->status == -ENOENT) | |
344 | return 0; | |
345 | } | |
346 | ||
347 | buf = dev->video_mode.isoc_ctl.buf; | |
348 | if (buf != NULL) | |
349 | outp = videobuf_to_vmalloc(&buf->vb); | |
350 | ||
351 | for (i = 0; i < urb->number_of_packets; i++) { | |
352 | int status = urb->iso_frame_desc[i].status; | |
353 | ||
354 | if (status < 0) { | |
355 | print_err_status(dev, i, status); | |
356 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
357 | continue; | |
358 | } | |
359 | ||
360 | if (urb->iso_frame_desc[i].actual_length <= 0) { | |
361 | /* cx231xx_isocdbg("packet %d is empty",i); - spammy */ | |
362 | continue; | |
363 | } | |
364 | if (urb->iso_frame_desc[i].actual_length > | |
365 | dev->video_mode.max_pkt_size) { | |
366 | cx231xx_isocdbg("packet bigger than packet size"); | |
367 | continue; | |
368 | } | |
369 | ||
370 | /* get buffer pointer and length */ | |
371 | p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
372 | buffer_size = urb->iso_frame_desc[i].actual_length; | |
373 | bytes_parsed = 0; | |
374 | ||
375 | if(dma_q->is_partial_line) | |
376 | { | |
377 | /* Handle the case where we were working on a partial line */ | |
378 | sav_eav = dma_q->last_sav; | |
379 | } else { | |
380 | /* Check for a SAV/EAV overlapping the buffer boundary */ | |
381 | sav_eav = cx231xx_find_boundary_SAV_EAV(p_buffer, dma_q->partial_buf, &bytes_parsed); | |
382 | } | |
383 | ||
384 | sav_eav &= 0xF0; | |
385 | /* Get the first line if we have some portion of an SAV/EAV from the last buffer | |
386 | or a partial line */ | |
387 | if(sav_eav) { | |
388 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, | |
389 | sav_eav, /* SAV/EAV */ | |
390 | p_buffer + bytes_parsed, /* p_buffer */ | |
391 | buffer_size - bytes_parsed); /* buffer size */ | |
392 | } | |
393 | ||
394 | /* Now parse data that is completely in this buffer */ | |
395 | /* dma_q->is_partial_line = 0; */ | |
396 | ||
397 | while(bytes_parsed < buffer_size) | |
398 | { | |
399 | u32 bytes_used = 0; | |
400 | ||
401 | sav_eav = cx231xx_find_next_SAV_EAV( | |
402 | p_buffer + bytes_parsed, /* p_buffer */ | |
403 | buffer_size - bytes_parsed, /* buffer size */ | |
404 | &bytes_used); /* Receives bytes used to get SAV/EAV */ | |
405 | ||
406 | bytes_parsed += bytes_used; | |
407 | ||
408 | sav_eav &= 0xF0; | |
409 | if(sav_eav && (bytes_parsed < buffer_size)) | |
410 | { | |
411 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, | |
412 | sav_eav, /* SAV/EAV */ | |
413 | p_buffer + bytes_parsed, /* p_buffer */ | |
414 | buffer_size - bytes_parsed); /* buffer size */ | |
415 | } | |
416 | } | |
417 | ||
418 | /* Save the last four bytes of the buffer so we can check the buffer boundary | |
419 | condition next time */ | |
420 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); | |
421 | bytes_parsed = 0; | |
422 | ||
423 | } | |
424 | return rc; | |
425 | } | |
426 | ||
427 | u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, u32 *p_bytes_used) | |
428 | { | |
429 | u32 bytes_used; | |
430 | u8 boundary_bytes[8]; | |
431 | u8 sav_eav = 0; | |
432 | ||
433 | *p_bytes_used = 0; | |
434 | ||
435 | /* Create an array of the last 4 bytes of the last buffer and the first | |
436 | 4 bytes of the current buffer. */ | |
437 | ||
438 | memcpy(boundary_bytes, partial_buf, 4); | |
439 | memcpy(boundary_bytes + 4, p_buffer, 4); | |
440 | ||
441 | /* Check for the SAV/EAV in the boundary buffer */ | |
442 | sav_eav = cx231xx_find_next_SAV_EAV((u8*)&boundary_bytes, 8, &bytes_used); | |
443 | ||
444 | if(sav_eav) { | |
445 | /* found a boundary SAV/EAV. Updates the bytes used to reflect | |
446 | only those used in the new buffer */ | |
447 | *p_bytes_used = bytes_used - 4; | |
448 | } | |
449 | ||
450 | return sav_eav; | |
451 | } | |
452 | ||
453 | u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used) | |
454 | { | |
455 | u32 i; | |
456 | u8 sav_eav = 0; | |
457 | ||
458 | /* Don't search if the buffer size is less than 4. It causes a page fault since | |
459 | buffer_size - 4 evaluates to a large number in that case. */ | |
460 | if(buffer_size < 4) { | |
461 | *p_bytes_used = buffer_size; | |
462 | return 0; | |
463 | } | |
464 | ||
465 | for(i = 0;i < (buffer_size - 3); i++) { | |
466 | ||
467 | if((p_buffer[i] == 0xFF) && | |
468 | (p_buffer[i+1] == 0x00) && | |
469 | (p_buffer[i+2] == 0x00)) { | |
470 | ||
471 | *p_bytes_used = i+4; | |
472 | sav_eav = p_buffer[i+3]; | |
473 | return sav_eav; | |
474 | } | |
475 | } | |
476 | ||
477 | *p_bytes_used = buffer_size; | |
478 | return 0; | |
479 | } | |
480 | ||
481 | ||
482 | ||
483 | ||
484 | u32 cx231xx_get_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | |
485 | u8 sav_eav, u8 *p_buffer, u32 buffer_size) | |
486 | { | |
487 | u32 bytes_copied = 0; | |
488 | int current_field = -1; | |
489 | ||
490 | ||
491 | switch(sav_eav) { | |
492 | case SAV_ACTIVE_VIDEO_FIELD1: | |
493 | /* looking for skipped line which occurred in PAL 720x480 mode. In this case, | |
494 | there will be no active data contained between the SAV and EAV */ | |
495 | if ( (buffer_size > 3) && | |
496 | (p_buffer[0] == 0xFF) && (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
497 | ( (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
498 | (p_buffer[3] == EAV_VBLANK_FIELD1) || (p_buffer[3] == EAV_VBLANK_FIELD2) | |
499 | ) | |
500 | ) | |
501 | { | |
502 | return bytes_copied; | |
503 | } | |
504 | current_field = 1; | |
505 | break; | |
506 | ||
507 | case SAV_ACTIVE_VIDEO_FIELD2: | |
508 | /* looking for skipped line which occurred in PAL 720x480 mode. In this case, | |
509 | there will be no active data contained between the SAV and EAV */ | |
510 | if ( (buffer_size > 3) && | |
511 | (p_buffer[0] == 0xFF) && (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
512 | ( (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
513 | (p_buffer[3] == EAV_VBLANK_FIELD1) || (p_buffer[3] == EAV_VBLANK_FIELD2) | |
514 | ) | |
515 | ) | |
516 | { | |
517 | return bytes_copied; | |
518 | } | |
519 | current_field = 2; | |
520 | break; | |
521 | } | |
522 | ||
523 | dma_q->last_sav = sav_eav; | |
524 | ||
525 | bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer, buffer_size, current_field); | |
526 | ||
527 | return bytes_copied; | |
528 | } | |
529 | ||
530 | u32 cx231xx_copy_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | |
531 | u8 *p_line, u32 length, int field_number) | |
532 | { | |
533 | u32 bytes_to_copy; | |
534 | struct cx231xx_buffer *buf; | |
535 | u32 _line_size = dev->width * 2; | |
536 | ||
537 | if( dma_q->current_field != field_number ) { | |
538 | cx231xx_reset_video_buffer(dev, dma_q); | |
539 | } | |
540 | ||
541 | /* get the buffer pointer */ | |
542 | buf = dev->video_mode.isoc_ctl.buf; | |
543 | ||
544 | /* Remember the field number for next time */ | |
545 | dma_q->current_field = field_number; | |
546 | ||
547 | bytes_to_copy = dma_q->bytes_left_in_line; | |
548 | if(bytes_to_copy > length) | |
549 | bytes_to_copy = length; | |
550 | ||
551 | ||
552 | if(dma_q->lines_completed >= dma_q->lines_per_field) { | |
553 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
554 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ? 0 : 1; | |
555 | return 0; | |
556 | } | |
557 | ||
558 | dma_q->is_partial_line = 1; | |
559 | ||
560 | /* If we don't have a buffer, just return the number of bytes we would | |
561 | have copied if we had a buffer. */ | |
562 | if(!buf) | |
563 | { | |
564 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
565 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ? 0 : 1; | |
566 | return bytes_to_copy; | |
567 | } | |
568 | ||
569 | /* copy the data to video buffer */ | |
570 | cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy); | |
571 | ||
572 | dma_q->pos += bytes_to_copy; | |
573 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
574 | ||
575 | if(dma_q->bytes_left_in_line == 0) { | |
576 | ||
577 | dma_q->bytes_left_in_line = _line_size; | |
578 | dma_q->lines_completed++; | |
579 | dma_q->is_partial_line = 0; | |
580 | ||
581 | if(cx231xx_is_buffer_done(dev, dma_q) && buf) { | |
582 | ||
583 | buffer_filled(dev, dma_q, buf); | |
584 | ||
585 | dma_q->pos = 0; | |
586 | buf = NULL; | |
587 | dma_q->lines_completed = 0; | |
588 | } | |
589 | } | |
590 | ||
591 | return bytes_to_copy; | |
592 | } | |
593 | ||
594 | void cx231xx_reset_video_buffer(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q) | |
595 | { | |
596 | struct cx231xx_buffer *buf; | |
597 | ||
598 | /* handle the switch from field 1 to field 2 */ | |
599 | if(dma_q->current_field == 1) { | |
600 | if(dma_q->lines_completed >= dma_q->lines_per_field ) { | |
601 | dma_q->field1_done = 1; | |
602 | } else { | |
603 | dma_q->field1_done = 0; | |
604 | } | |
605 | } | |
606 | ||
607 | buf = dev->video_mode.isoc_ctl.buf; | |
608 | ||
609 | if(buf == NULL) { | |
610 | u8* outp = NULL; | |
611 | /* first try to get the buffer */ | |
612 | get_next_buf(dma_q, &buf); | |
613 | ||
614 | if(buf) | |
615 | outp = videobuf_to_vmalloc(&buf->vb); | |
616 | ||
617 | dma_q->pos = 0; | |
618 | dma_q->field1_done = 0; | |
619 | dma_q->current_field = -1; | |
620 | } | |
621 | ||
622 | /* reset the counters */ | |
623 | dma_q->bytes_left_in_line = dev->width << 1; | |
624 | dma_q->lines_completed = 0; | |
625 | } | |
626 | ||
627 | int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | |
628 | u8 *p_buffer, u32 bytes_to_copy) | |
629 | { | |
630 | u8 *p_out_buffer = NULL; | |
631 | u32 current_line_bytes_copied = 0; | |
632 | struct cx231xx_buffer *buf; | |
633 | u32 _line_size = dev->width << 1; | |
634 | void *startwrite; | |
635 | int offset, lencopy; | |
636 | ||
637 | buf = dev->video_mode.isoc_ctl.buf; | |
638 | ||
639 | if (buf == NULL) | |
640 | return -1; | |
641 | ||
642 | p_out_buffer = videobuf_to_vmalloc(&buf->vb); | |
643 | ||
644 | current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line; | |
645 | ||
646 | /* Offset field 2 one line from the top of the buffer */ | |
647 | offset = (dma_q->current_field == 1)? 0: _line_size; | |
648 | ||
649 | /* Offset for field 2 */ | |
650 | startwrite = p_out_buffer + offset; | |
651 | ||
652 | /* lines already completed in the current field */ | |
653 | startwrite += (dma_q->lines_completed * _line_size * 2); | |
654 | ||
655 | /* bytes already completed in the current line */ | |
656 | startwrite += current_line_bytes_copied; | |
657 | ||
658 | lencopy = dma_q->bytes_left_in_line > bytes_to_copy ? bytes_to_copy : dma_q->bytes_left_in_line; | |
659 | ||
660 | if( (u8*)(startwrite +lencopy) > (u8*)(p_out_buffer+ buf->vb.size) ) { | |
661 | return 0; | |
662 | } | |
663 | ||
664 | /* The below copies the UYVY data straight into video buffer */ | |
665 | cx231xx_swab( (u16*)p_buffer, (u16*)startwrite, (u16)lencopy); | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | void cx231xx_swab(u16 *from, u16 *to, u16 len) | |
671 | { | |
672 | u16 i; | |
673 | ||
674 | if( len <= 0) | |
675 | return; | |
676 | ||
677 | for(i = 0; i < len/2; i++) { | |
678 | to[i] = (from[i] << 8) | (from[i] >> 8); | |
679 | } | |
680 | } | |
681 | ||
682 | u8 cx231xx_is_buffer_done(struct cx231xx *dev,struct cx231xx_dmaqueue *dma_q) | |
683 | { | |
684 | u8 buffer_complete = 0; | |
685 | ||
686 | /* Dual field stream */ | |
687 | buffer_complete = | |
688 | ((dma_q->current_field == 2) && | |
689 | (dma_q->lines_completed >= dma_q->lines_per_field) && | |
690 | dma_q->field1_done); | |
691 | ||
692 | return buffer_complete; | |
693 | } | |
694 | ||
695 | ||
696 | /* ------------------------------------------------------------------ | |
697 | Videobuf operations | |
698 | ------------------------------------------------------------------*/ | |
699 | ||
700 | static int | |
701 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
702 | { | |
703 | struct cx231xx_fh *fh = vq->priv_data; | |
704 | struct cx231xx *dev = fh->dev; | |
705 | struct v4l2_frequency f; | |
706 | ||
707 | *size = ( fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; | |
708 | if (0 == *count) | |
709 | *count = CX231XX_DEF_BUF; | |
710 | ||
711 | if (*count < CX231XX_MIN_BUF) | |
712 | *count = CX231XX_MIN_BUF; | |
713 | ||
714 | /* Ask tuner to go to analog mode */ | |
715 | memset(&f, 0, sizeof(f)); | |
716 | f.frequency = dev->ctl_freq; | |
717 | f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
718 | ||
719 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, &f); | |
720 | ||
721 | return 0; | |
722 | } | |
723 | ||
724 | /* This is called *without* dev->slock held; please keep it that way */ | |
725 | static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf) | |
726 | { | |
727 | struct cx231xx_fh *fh = vq->priv_data; | |
728 | struct cx231xx *dev = fh->dev; | |
729 | unsigned long flags = 0; | |
730 | if (in_interrupt()) | |
731 | BUG(); | |
732 | ||
733 | /* We used to wait for the buffer to finish here, but this didn't work | |
734 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
735 | videobuf_queue_cancel marked it as finished for us. | |
736 | (Also, it could wedge forever if the hardware was misconfigured.) | |
737 | ||
738 | This should be safe; by the time we get here, the buffer isn't | |
739 | queued anymore. If we ever start marking the buffers as | |
740 | VIDEOBUF_ACTIVE, it won't be, though. | |
741 | */ | |
742 | spin_lock_irqsave(&dev->video_mode.slock, flags); | |
743 | if (dev->video_mode.isoc_ctl.buf == buf) | |
744 | dev->video_mode.isoc_ctl.buf = NULL; | |
745 | spin_unlock_irqrestore(&dev->video_mode.slock, flags); | |
746 | ||
747 | videobuf_vmalloc_free(&buf->vb); | |
748 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
749 | } | |
750 | ||
751 | static int | |
752 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
753 | enum v4l2_field field) | |
754 | { | |
755 | struct cx231xx_fh *fh = vq->priv_data; | |
756 | struct cx231xx_buffer *buf = container_of(vb, struct cx231xx_buffer, vb); | |
757 | struct cx231xx *dev = fh->dev; | |
758 | int rc = 0, urb_init = 0; | |
759 | ||
760 | /* The only currently supported format is 16 bits/pixel */ | |
761 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; | |
762 | ||
763 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
764 | return -EINVAL; | |
765 | ||
766 | buf->vb.width = dev->width; | |
767 | buf->vb.height = dev->height; | |
768 | buf->vb.field = field; | |
769 | ||
770 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
771 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
772 | if (rc < 0) | |
773 | goto fail; | |
774 | } | |
775 | ||
776 | if (!dev->video_mode.isoc_ctl.num_bufs) | |
777 | urb_init = 1; | |
778 | ||
779 | if (urb_init) { | |
780 | rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, | |
781 | CX231XX_NUM_BUFS, dev->video_mode.max_pkt_size, | |
782 | cx231xx_isoc_copy); | |
783 | if (rc < 0) | |
784 | goto fail; | |
785 | } | |
786 | ||
787 | buf->vb.state = VIDEOBUF_PREPARED; | |
788 | return 0; | |
789 | ||
790 | fail: | |
791 | free_buffer(vq, buf); | |
792 | return rc; | |
793 | } | |
794 | ||
795 | static void | |
796 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
797 | { | |
798 | struct cx231xx_buffer *buf = container_of(vb, struct cx231xx_buffer, vb); | |
799 | struct cx231xx_fh *fh = vq->priv_data; | |
800 | struct cx231xx *dev = fh->dev; | |
801 | struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; | |
802 | ||
803 | buf->vb.state = VIDEOBUF_QUEUED; | |
804 | list_add_tail(&buf->vb.queue, &vidq->active); | |
805 | ||
806 | } | |
807 | ||
808 | static void buffer_release(struct videobuf_queue *vq, | |
809 | struct videobuf_buffer *vb) | |
810 | { | |
811 | struct cx231xx_buffer *buf = container_of(vb, struct cx231xx_buffer, vb); | |
812 | struct cx231xx_fh *fh = vq->priv_data; | |
813 | struct cx231xx *dev = (struct cx231xx *)fh->dev; | |
814 | ||
815 | cx231xx_isocdbg("cx231xx: called buffer_release\n"); | |
816 | ||
817 | free_buffer(vq, buf); | |
818 | } | |
819 | ||
820 | static struct videobuf_queue_ops cx231xx_video_qops = { | |
821 | .buf_setup = buffer_setup, | |
822 | .buf_prepare = buffer_prepare, | |
823 | .buf_queue = buffer_queue, | |
824 | .buf_release = buffer_release, | |
825 | }; | |
826 | ||
827 | /********************* v4l2 interface **************************************/ | |
828 | ||
829 | ||
830 | void video_mux(struct cx231xx *dev, int index) | |
831 | { | |
832 | ||
833 | struct v4l2_routing route; | |
834 | ||
835 | route.input = INPUT(index)->vmux; | |
836 | route.output = 0; | |
837 | dev->video_input = index; | |
838 | dev->ctl_ainput = INPUT(index)->amux; | |
839 | ||
840 | cx231xx_set_video_input_mux(dev,index); | |
841 | ||
842 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_INT_S_VIDEO_ROUTING, &route); | |
843 | ||
844 | cx231xx_set_audio_input(dev, dev->ctl_ainput ); | |
845 | ||
846 | cx231xx_info("video_mux : %d\n", index); | |
847 | ||
848 | /* do mode control overrides if required */ | |
849 | cx231xx_do_mode_ctrl_overrides(dev); | |
850 | } | |
851 | ||
852 | /* Usage lock check functions */ | |
853 | static int res_get(struct cx231xx_fh *fh) | |
854 | { | |
855 | struct cx231xx *dev = fh->dev; | |
856 | int rc = 0; | |
857 | ||
858 | /* This instance already has stream_on */ | |
859 | if (fh->stream_on) | |
860 | return rc; | |
861 | ||
862 | if(fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
863 | if (dev->stream_on) | |
864 | return -EBUSY; | |
865 | dev->stream_on = 1; | |
866 | } else if(fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
867 | if (dev->vbi_stream_on) | |
868 | return -EBUSY; | |
869 | dev->vbi_stream_on = 1; | |
870 | } else | |
871 | return -EINVAL; | |
872 | ||
873 | fh->stream_on = 1; | |
874 | ||
875 | return rc; | |
876 | } | |
877 | ||
878 | static int res_check(struct cx231xx_fh *fh) | |
879 | { | |
880 | return (fh->stream_on); | |
881 | } | |
882 | ||
883 | static void res_free(struct cx231xx_fh *fh) | |
884 | { | |
885 | struct cx231xx *dev = fh->dev; | |
886 | ||
887 | fh->stream_on = 0; | |
888 | ||
889 | if(fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
890 | dev->stream_on = 0; | |
891 | if(fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
892 | dev->vbi_stream_on = 0; | |
893 | } | |
894 | ||
895 | static int check_dev(struct cx231xx *dev) | |
896 | { | |
897 | if (dev->state & DEV_DISCONNECTED) { | |
898 | cx231xx_errdev("v4l2 ioctl: device not present\n"); | |
899 | return -ENODEV; | |
900 | } | |
901 | ||
902 | if (dev->state & DEV_MISCONFIGURED) { | |
903 | cx231xx_errdev("v4l2 ioctl: device is misconfigured; " | |
904 | "close and open it again\n"); | |
905 | return -EIO; | |
906 | } | |
907 | return 0; | |
908 | } | |
909 | ||
910 | void get_scale(struct cx231xx *dev, | |
911 | unsigned int width, unsigned int height, | |
912 | unsigned int *hscale, unsigned int *vscale) | |
913 | { | |
914 | unsigned int maxw = norm_maxw(dev); | |
915 | unsigned int maxh = norm_maxh(dev); | |
916 | ||
917 | *hscale = (((unsigned long)maxw) << 12) / width - 4096L; | |
918 | if (*hscale >= 0x4000) | |
919 | *hscale = 0x3fff; | |
920 | ||
921 | *vscale = (((unsigned long)maxh) << 12) / height - 4096L; | |
922 | if (*vscale >= 0x4000) | |
923 | *vscale = 0x3fff; | |
924 | ||
925 | dev->hscale = *hscale; | |
926 | dev->vscale = *vscale; | |
927 | ||
928 | } | |
929 | ||
930 | /* ------------------------------------------------------------------ | |
931 | IOCTL vidioc handling | |
932 | ------------------------------------------------------------------*/ | |
933 | ||
934 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
935 | struct v4l2_format *f) | |
936 | { | |
937 | struct cx231xx_fh *fh = priv; | |
938 | struct cx231xx *dev = fh->dev; | |
939 | ||
940 | mutex_lock(&dev->lock); | |
941 | ||
942 | f->fmt.pix.width = dev->width; | |
943 | f->fmt.pix.height = dev->height; | |
944 | f->fmt.pix.pixelformat = dev->format->fourcc;; | |
945 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;; | |
946 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; | |
947 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
948 | ||
949 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
950 | ||
951 | mutex_unlock(&dev->lock); | |
952 | return 0; | |
953 | } | |
954 | ||
955 | static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc) | |
956 | { | |
957 | unsigned int i; | |
958 | ||
959 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
960 | if (format[i].fourcc == fourcc) | |
961 | return &format[i]; | |
962 | ||
963 | return NULL; | |
964 | } | |
965 | ||
966 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
967 | struct v4l2_format *f) | |
968 | { | |
969 | struct cx231xx_fh *fh = priv; | |
970 | struct cx231xx *dev = fh->dev; | |
971 | int width = f->fmt.pix.width; | |
972 | int height = f->fmt.pix.height; | |
973 | unsigned int maxw = norm_maxw(dev); | |
974 | unsigned int maxh = norm_maxh(dev); | |
975 | unsigned int hscale, vscale; | |
976 | struct cx231xx_fmt *fmt; | |
977 | ||
978 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
979 | if (!fmt) { | |
980 | cx231xx_videodbg("Fourcc format (%08x) invalid.\n", | |
981 | f->fmt.pix.pixelformat); | |
982 | return -EINVAL; | |
983 | } | |
984 | ||
985 | /* width must even because of the YUYV format | |
986 | height must be even because of interlacing */ | |
987 | height &= 0xfffe; | |
988 | width &= 0xfffe; | |
989 | ||
990 | if (unlikely(height < 32)) | |
991 | height = 32; | |
992 | if (unlikely(height > maxh)) | |
993 | height = maxh; | |
994 | if (unlikely(width < 48)) | |
995 | width = 48; | |
996 | if (unlikely(width > maxw)) | |
997 | width = maxw; | |
998 | ||
999 | get_scale(dev, width, height, &hscale, &vscale); | |
1000 | ||
1001 | width = (((unsigned long)maxw) << 12) / (hscale + 4096L); | |
1002 | height = (((unsigned long)maxh) << 12) / (vscale + 4096L); | |
1003 | ||
1004 | f->fmt.pix.width = width; | |
1005 | f->fmt.pix.height = height; | |
1006 | f->fmt.pix.pixelformat = fmt->fourcc; | |
1007 | f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; | |
1008 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; | |
1009 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1010 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1016 | struct v4l2_format *f) | |
1017 | { | |
1018 | struct cx231xx_fh *fh = priv; | |
1019 | struct cx231xx *dev = fh->dev; | |
1020 | int rc; | |
1021 | struct cx231xx_fmt *fmt; | |
1022 | ||
1023 | rc = check_dev(dev); | |
1024 | if (rc < 0) | |
1025 | return rc; | |
1026 | ||
1027 | ||
1028 | mutex_lock(&dev->lock); | |
1029 | ||
1030 | vidioc_try_fmt_vid_cap(file, priv, f); | |
1031 | ||
1032 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1033 | if (!fmt) { | |
1034 | rc = -EINVAL; | |
1035 | goto out; | |
1036 | } | |
1037 | ||
1038 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
1039 | cx231xx_errdev("%s queue busy\n", __func__); | |
1040 | rc = -EBUSY; | |
1041 | goto out; | |
1042 | } | |
1043 | ||
1044 | if (dev->stream_on && !fh->stream_on) { | |
1045 | cx231xx_errdev("%s device in use by another fh\n", __func__); | |
1046 | rc = -EBUSY; | |
1047 | goto out; | |
1048 | } | |
1049 | ||
1050 | /* set new image size */ | |
1051 | dev->width = f->fmt.pix.width; | |
1052 | dev->height = f->fmt.pix.height; | |
1053 | dev->format = fmt; | |
1054 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); | |
1055 | ||
1056 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_S_FMT, f); | |
1057 | ||
1058 | /* Set the correct alternate setting for this resolution */ | |
1059 | cx231xx_resolution_set(dev); | |
1060 | ||
1061 | out: | |
1062 | mutex_unlock(&dev->lock); | |
1063 | return rc; | |
1064 | } | |
1065 | ||
1066 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) | |
1067 | { | |
1068 | struct cx231xx_fh *fh = priv; | |
1069 | struct cx231xx *dev = fh->dev; | |
1070 | ||
1071 | *id = dev->norm; | |
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) | |
1076 | { | |
1077 | struct cx231xx_fh *fh = priv; | |
1078 | struct cx231xx *dev = fh->dev; | |
1079 | struct v4l2_format f; | |
1080 | int rc; | |
1081 | ||
1082 | rc = check_dev(dev); | |
1083 | if (rc < 0) | |
1084 | return rc; | |
1085 | ||
1086 | cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm); | |
1087 | ||
1088 | mutex_lock(&dev->lock); | |
1089 | dev->norm = *norm; | |
1090 | ||
1091 | ||
1092 | /* Adjusts width/height, if needed */ | |
1093 | f.fmt.pix.width = dev->width; | |
1094 | f.fmt.pix.height = dev->height; | |
1095 | vidioc_try_fmt_vid_cap(file, priv, &f); | |
1096 | ||
1097 | /* set new image size */ | |
1098 | dev->width = f.fmt.pix.width; | |
1099 | dev->height = f.fmt.pix.height; | |
1100 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); | |
1101 | ||
1102 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_S_STD, &dev->norm); | |
1103 | ||
1104 | mutex_unlock(&dev->lock); | |
1105 | ||
1106 | cx231xx_resolution_set(dev); | |
1107 | ||
1108 | /* do mode control overrides */ | |
1109 | cx231xx_do_mode_ctrl_overrides(dev); | |
1110 | ||
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | static const char *iname[] = { | |
1115 | [CX231XX_VMUX_COMPOSITE1] = "Composite1", | |
1116 | [CX231XX_VMUX_SVIDEO] = "S-Video", | |
1117 | [CX231XX_VMUX_TELEVISION] = "Television", | |
1118 | [CX231XX_VMUX_CABLE] = "Cable TV", | |
1119 | [CX231XX_VMUX_DVB] = "DVB", | |
1120 | [CX231XX_VMUX_DEBUG] = "for debug only", | |
1121 | }; | |
1122 | ||
1123 | static int vidioc_enum_input(struct file *file, void *priv, | |
1124 | struct v4l2_input *i) | |
1125 | { | |
1126 | struct cx231xx_fh *fh = priv; | |
1127 | struct cx231xx *dev = fh->dev; | |
1128 | unsigned int n; | |
1129 | ||
1130 | n = i->index; | |
1131 | if (n >= MAX_CX231XX_INPUT) | |
1132 | return -EINVAL; | |
1133 | if (0 == INPUT(n)->type) | |
1134 | return -EINVAL; | |
1135 | ||
1136 | i->index = n; | |
1137 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1138 | ||
1139 | strcpy(i->name, iname[INPUT(n)->type]); | |
1140 | ||
1141 | if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) || | |
1142 | (CX231XX_VMUX_CABLE == INPUT(n)->type)) | |
1143 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1144 | ||
1145 | i->std = dev->vdev->tvnorms; | |
1146 | ||
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1151 | { | |
1152 | struct cx231xx_fh *fh = priv; | |
1153 | struct cx231xx *dev = fh->dev; | |
1154 | ||
1155 | *i = dev->video_input; | |
1156 | ||
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1161 | { | |
1162 | struct cx231xx_fh *fh = priv; | |
1163 | struct cx231xx *dev = fh->dev; | |
1164 | int rc; | |
1165 | ||
1166 | rc = check_dev(dev); | |
1167 | if (rc < 0) | |
1168 | return rc; | |
1169 | ||
1170 | if (i >= MAX_CX231XX_INPUT) | |
1171 | return -EINVAL; | |
1172 | if (0 == INPUT(i)->type) | |
1173 | return -EINVAL; | |
1174 | ||
1175 | mutex_lock(&dev->lock); | |
1176 | ||
1177 | video_mux(dev, i); | |
1178 | ||
1179 | mutex_unlock(&dev->lock); | |
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1184 | { | |
1185 | struct cx231xx_fh *fh = priv; | |
1186 | struct cx231xx *dev = fh->dev; | |
1187 | ||
1188 | switch (a->index) { | |
1189 | case CX231XX_AMUX_VIDEO: | |
1190 | strcpy(a->name, "Television"); | |
1191 | break; | |
1192 | case CX231XX_AMUX_LINE_IN: | |
1193 | strcpy(a->name, "Line In"); | |
1194 | break; | |
1195 | default: | |
1196 | return -EINVAL; | |
1197 | } | |
1198 | ||
1199 | a->index = dev->ctl_ainput; | |
1200 | a->capability = V4L2_AUDCAP_STEREO; | |
1201 | ||
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1206 | { | |
1207 | struct cx231xx_fh *fh = priv; | |
1208 | struct cx231xx *dev = fh->dev; | |
1209 | int status = 0; | |
1210 | ||
1211 | ||
1212 | /* Doesn't allow manual routing */ | |
1213 | if (a->index != dev->ctl_ainput) | |
1214 | return -EINVAL; | |
1215 | ||
1216 | dev->ctl_ainput = INPUT(a->index)->amux; | |
1217 | status = cx231xx_set_audio_input(dev, dev->ctl_ainput); | |
1218 | ||
1219 | return status; | |
1220 | } | |
1221 | ||
1222 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1223 | struct v4l2_queryctrl *qc) | |
1224 | { | |
1225 | struct cx231xx_fh *fh = priv; | |
1226 | struct cx231xx *dev = fh->dev; | |
1227 | int id = qc->id; | |
1228 | int i; | |
1229 | int rc; | |
1230 | ||
1231 | rc = check_dev(dev); | |
1232 | if (rc < 0) | |
1233 | return rc; | |
1234 | ||
1235 | qc->id = v4l2_ctrl_next(ctrl_classes, qc->id); | |
1236 | if (unlikely(qc->id == 0)) | |
1237 | return -EINVAL; | |
1238 | ||
1239 | memset(qc, 0, sizeof(*qc)); | |
1240 | ||
1241 | qc->id = id; | |
1242 | ||
1243 | if (qc->id < V4L2_CID_BASE || | |
1244 | qc->id >= V4L2_CID_LASTP1) | |
1245 | return -EINVAL; | |
1246 | ||
1247 | for (i = 0; i < CX231XX_CTLS; i++) | |
1248 | if (cx231xx_ctls[i].v.id == qc->id) | |
1249 | break; | |
1250 | ||
1251 | if (i == CX231XX_CTLS) { | |
1252 | *qc = no_ctl; | |
1253 | return 0; | |
1254 | } | |
1255 | *qc = cx231xx_ctls[i].v; | |
1256 | ||
1257 | mutex_lock(&dev->lock); | |
1258 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_QUERYCTRL, qc); | |
1259 | mutex_unlock(&dev->lock); | |
1260 | ||
1261 | if (qc->type) | |
1262 | return 0; | |
1263 | else | |
1264 | return -EINVAL; | |
1265 | } | |
1266 | ||
1267 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1268 | struct v4l2_control *ctrl) | |
1269 | { | |
1270 | struct cx231xx_fh *fh = priv; | |
1271 | struct cx231xx *dev = fh->dev; | |
1272 | int rc; | |
1273 | ||
1274 | rc = check_dev(dev); | |
1275 | if (rc < 0) | |
1276 | return rc; | |
1277 | ||
1278 | mutex_lock(&dev->lock); | |
1279 | ||
1280 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_G_CTRL, ctrl); | |
1281 | ||
1282 | mutex_unlock(&dev->lock); | |
1283 | return rc; | |
1284 | } | |
1285 | ||
1286 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1287 | struct v4l2_control *ctrl) | |
1288 | { | |
1289 | struct cx231xx_fh *fh = priv; | |
1290 | struct cx231xx *dev = fh->dev; | |
1291 | int rc; | |
1292 | ||
1293 | rc = check_dev(dev); | |
1294 | if (rc < 0) | |
1295 | return rc; | |
1296 | ||
1297 | mutex_lock(&dev->lock); | |
1298 | ||
1299 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_S_CTRL, ctrl); | |
1300 | ||
1301 | mutex_unlock(&dev->lock); | |
1302 | return rc; | |
1303 | } | |
1304 | ||
1305 | static int vidioc_g_tuner(struct file *file, void *priv, | |
1306 | struct v4l2_tuner *t) | |
1307 | { | |
1308 | struct cx231xx_fh *fh = priv; | |
1309 | struct cx231xx *dev = fh->dev; | |
1310 | int rc; | |
1311 | ||
1312 | rc = check_dev(dev); | |
1313 | if (rc < 0) | |
1314 | return rc; | |
1315 | ||
1316 | if (0 != t->index) | |
1317 | return -EINVAL; | |
1318 | ||
1319 | strcpy(t->name, "Tuner"); | |
1320 | ||
1321 | t->type = V4L2_TUNER_ANALOG_TV; | |
1322 | t->capability = V4L2_TUNER_CAP_NORM; | |
1323 | t->rangehigh = 0xffffffffUL; | |
1324 | t->signal = 0xffff ; /* LOCKED */ | |
1325 | ||
1326 | return 0; | |
1327 | } | |
1328 | ||
1329 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1330 | struct v4l2_tuner *t) | |
1331 | { | |
1332 | struct cx231xx_fh *fh = priv; | |
1333 | struct cx231xx *dev = fh->dev; | |
1334 | int rc; | |
1335 | ||
1336 | rc = check_dev(dev); | |
1337 | if (rc < 0) | |
1338 | return rc; | |
1339 | ||
1340 | if (0 != t->index) | |
1341 | return -EINVAL; | |
1342 | #if 0 | |
1343 | mutex_lock(&dev->lock); | |
1344 | ||
1345 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_TUNER, t); | |
1346 | ||
1347 | mutex_unlock(&dev->lock); | |
1348 | #endif | |
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1353 | struct v4l2_frequency *f) | |
1354 | { | |
1355 | struct cx231xx_fh *fh = priv; | |
1356 | struct cx231xx *dev = fh->dev; | |
1357 | ||
1358 | mutex_lock(&dev->lock); | |
1359 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1360 | f->frequency = dev->ctl_freq; | |
1361 | ||
1362 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); | |
1363 | ||
1364 | mutex_unlock(&dev->lock); | |
1365 | ||
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1370 | struct v4l2_frequency *f) | |
1371 | { | |
1372 | struct cx231xx_fh *fh = priv; | |
1373 | struct cx231xx *dev = fh->dev; | |
1374 | int rc; | |
1375 | ||
1376 | rc = check_dev(dev); | |
1377 | if (rc < 0) | |
1378 | return rc; | |
1379 | ||
1380 | if (0 != f->tuner) | |
1381 | return -EINVAL; | |
1382 | ||
1383 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) | |
1384 | return -EINVAL; | |
1385 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
1386 | return -EINVAL; | |
1387 | ||
1388 | /* set pre channel change settings in DIF first */ | |
1389 | rc = cx231xx_tuner_pre_channel_change(dev); | |
1390 | ||
1391 | mutex_lock(&dev->lock); | |
1392 | ||
1393 | dev->ctl_freq = f->frequency; | |
1394 | ||
1395 | if(dev->tuner_type == TUNER_XC5000) { | |
1396 | if( dev->cx231xx_set_analog_freq != NULL ) { | |
1397 | dev->cx231xx_set_analog_freq(dev, f->frequency ); | |
1398 | } | |
1399 | } else { | |
1400 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f); | |
1401 | } | |
1402 | ||
1403 | mutex_unlock(&dev->lock); | |
1404 | ||
1405 | /* set post channel change settings in DIF first */ | |
1406 | rc = cx231xx_tuner_post_channel_change(dev); | |
1407 | ||
1408 | cx231xx_info("Set New FREQUENCY to %d\n",f->frequency); | |
1409 | ||
1410 | return rc; | |
1411 | } | |
1412 | ||
1413 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1414 | ||
1415 | ||
1416 | /* | |
1417 | -R, --list-registers=type=<host/i2cdrv/i2caddr>,chip=<chip>[,min=<addr>,max=<addr>] | |
1418 | dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER] | |
1419 | -r, --set-register=type=<host/i2cdrv/i2caddr>,chip=<chip>,reg=<addr>,val=<val> | |
1420 | set the register [VIDIOC_DBG_S_REGISTER] | |
1421 | ||
1422 | if type == host, then <chip> is the hosts chip ID (default 0) | |
1423 | if type == i2cdrv (default), then <chip> is the I2C driver name or ID | |
1424 | if type == i2caddr, then <chip> is the 7-bit I2C address | |
1425 | */ | |
1426 | ||
1427 | ||
1428 | static int vidioc_g_register(struct file *file, void *priv, | |
1429 | struct v4l2_dbg_register *reg) | |
1430 | { | |
1431 | struct cx231xx_fh *fh = priv; | |
1432 | struct cx231xx *dev = fh->dev; | |
1433 | int ret = 0; | |
1434 | u8 value[4] ={0,0,0,0}; | |
1435 | u32 data = 0; | |
1436 | ||
1437 | switch (reg->match.type) { | |
1438 | case V4L2_CHIP_MATCH_HOST: | |
1439 | switch(reg->match.addr) { | |
1440 | case 0: /* Cx231xx - internal registers */ | |
1441 | ret = cx231xx_read_ctrl_reg(dev,VRT_GET_REGISTER, (u16) reg->reg, value, 4); | |
1442 | reg->val = value[0] | value[1] << 8 | value[2] << 16 | value[3] << 24; | |
1443 | break; | |
1444 | case 1: /* Colibri - read byte */ | |
1445 | ret = cx231xx_read_i2c_data(dev, Colibri_DEVICE_ADDRESS, (u16) reg->reg, 2, &data, 1); | |
1446 | reg->val = le32_to_cpu(data & 0xff); | |
1447 | break; | |
1448 | case 14: /* Colibri - read dword */ | |
1449 | ret = cx231xx_read_i2c_data(dev, Colibri_DEVICE_ADDRESS, (u16) reg->reg, 2, &data, 4); | |
1450 | reg->val = le32_to_cpu(data); | |
1451 | break; | |
1452 | case 2: /* Hammerhead - read byte */ | |
1453 | ret = cx231xx_read_i2c_data(dev, HAMMERHEAD_I2C_ADDRESS, (u16) reg->reg, 2, &data, 1); | |
1454 | reg->val = le32_to_cpu(data & 0xff); | |
1455 | break; | |
1456 | case 24: /* Hammerhead - read dword */ | |
1457 | ret = cx231xx_read_i2c_data(dev, HAMMERHEAD_I2C_ADDRESS, (u16) reg->reg, 2, &data, 4); | |
1458 | reg->val = le32_to_cpu(data); | |
1459 | break; | |
1460 | case 3: /* flatiron - read byte */ | |
1461 | ret = cx231xx_read_i2c_data(dev, Flatrion_DEVICE_ADDRESS, (u16) reg->reg, 1, &data, 1); | |
1462 | reg->val = le32_to_cpu(data & 0xff); | |
1463 | break; | |
1464 | case 34: /* flatiron - read dword */ | |
1465 | ret = cx231xx_read_i2c_data(dev, Flatrion_DEVICE_ADDRESS, (u16) reg->reg, 1, &data, 4); | |
1466 | reg->val = le32_to_cpu(data); | |
1467 | break; | |
1468 | } | |
1469 | return ret < 0?ret:0; | |
1470 | ||
1471 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
1472 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_DBG_G_REGISTER, reg); | |
1473 | return 0; | |
1474 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
1475 | /* Not supported yet */ | |
1476 | return -EINVAL; | |
1477 | default: | |
1478 | if (!v4l2_chip_match_host(®->match)) | |
1479 | return -EINVAL; | |
1480 | } | |
1481 | ||
1482 | ||
1483 | mutex_lock(&dev->lock); | |
1484 | ||
1485 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_DBG_G_REGISTER, reg); | |
1486 | ||
1487 | mutex_unlock(&dev->lock); | |
1488 | ||
1489 | return ret; | |
1490 | } | |
1491 | ||
1492 | static int vidioc_s_register(struct file *file, void *priv, | |
1493 | struct v4l2_dbg_register *reg) | |
1494 | { | |
1495 | struct cx231xx_fh *fh = priv; | |
1496 | struct cx231xx *dev = fh->dev; | |
1497 | int ret = 0; | |
1498 | __le64 buf; | |
1499 | u32 value; | |
1500 | u8 data[4] ={0,0,0,0}; | |
1501 | ||
1502 | buf = cpu_to_le64(reg->val); | |
1503 | ||
1504 | switch (reg->match.type) { | |
1505 | case V4L2_CHIP_MATCH_HOST: | |
1506 | { | |
1507 | value = (u32) buf & 0xffffffff; | |
1508 | ||
1509 | switch(reg->match.addr) { | |
1510 | case 0: /* cx231xx internal registers */ | |
1511 | data[0]=(u8)value; | |
1512 | data[1]=(u8)(value>>8); | |
1513 | data[2]=(u8)(value>>16); | |
1514 | data[3]=(u8)(value>>24); | |
1515 | ret = cx231xx_write_ctrl_reg(dev,VRT_SET_REGISTER, (u16) reg->reg, data, 4); | |
1516 | break; | |
1517 | case 1: /* Colibri - read byte */ | |
1518 | ret = cx231xx_write_i2c_data(dev, Colibri_DEVICE_ADDRESS, (u16) reg->reg, 2, value, 1); | |
1519 | break; | |
1520 | case 14: /* Colibri - read dword */ | |
1521 | ret = cx231xx_write_i2c_data(dev, Colibri_DEVICE_ADDRESS, (u16) reg->reg, 2, value, 4); | |
1522 | break; | |
1523 | case 2: /* Hammerhead - read byte */ | |
1524 | ret = cx231xx_write_i2c_data(dev, HAMMERHEAD_I2C_ADDRESS, (u16) reg->reg, 2, value, 1); | |
1525 | break; | |
1526 | case 24: /* Hammerhead - read dword */ | |
1527 | ret = cx231xx_write_i2c_data(dev, HAMMERHEAD_I2C_ADDRESS, (u16) reg->reg, 2, value, 4); | |
1528 | break; | |
1529 | case 3: /* flatiron - read byte */ | |
1530 | ret = cx231xx_write_i2c_data(dev, Flatrion_DEVICE_ADDRESS, (u16) reg->reg, 1, value, 1); | |
1531 | break; | |
1532 | case 34: /* flatiron - read dword */ | |
1533 | ret = cx231xx_write_i2c_data(dev, Flatrion_DEVICE_ADDRESS, (u16) reg->reg, 1, value, 4); | |
1534 | break; | |
1535 | } | |
1536 | } | |
1537 | return ret < 0?ret:0; | |
1538 | ||
1539 | default: | |
1540 | break; | |
1541 | } | |
1542 | ||
1543 | mutex_lock(&dev->lock); | |
1544 | ||
1545 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_DBG_S_REGISTER, reg); | |
1546 | ||
1547 | mutex_unlock(&dev->lock); | |
1548 | ||
1549 | return ret; | |
1550 | } | |
1551 | #endif | |
1552 | ||
1553 | ||
1554 | static int vidioc_cropcap(struct file *file, void *priv, | |
1555 | struct v4l2_cropcap *cc) | |
1556 | { | |
1557 | struct cx231xx_fh *fh = priv; | |
1558 | struct cx231xx *dev = fh->dev; | |
1559 | ||
1560 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1561 | return -EINVAL; | |
1562 | ||
1563 | cc->bounds.left = 0; | |
1564 | cc->bounds.top = 0; | |
1565 | cc->bounds.width = dev->width; | |
1566 | cc->bounds.height = dev->height; | |
1567 | cc->defrect = cc->bounds; | |
1568 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ | |
1569 | cc->pixelaspect.denominator = 59; | |
1570 | ||
1571 | return 0; | |
1572 | } | |
1573 | ||
1574 | static int vidioc_streamon(struct file *file, void *priv, | |
1575 | enum v4l2_buf_type type) | |
1576 | { | |
1577 | struct cx231xx_fh *fh = priv; | |
1578 | struct cx231xx *dev = fh->dev; | |
1579 | int rc; | |
1580 | ||
1581 | rc = check_dev(dev); | |
1582 | if (rc < 0) | |
1583 | return rc; | |
1584 | ||
1585 | mutex_lock(&dev->lock); | |
1586 | rc = res_get(fh); | |
1587 | ||
1588 | if (likely(rc >= 0)) | |
1589 | rc = videobuf_streamon(&fh->vb_vidq); | |
1590 | ||
1591 | mutex_unlock(&dev->lock); | |
1592 | ||
1593 | return rc; | |
1594 | } | |
1595 | ||
1596 | static int vidioc_streamoff(struct file *file, void *priv, | |
1597 | enum v4l2_buf_type type) | |
1598 | { | |
1599 | struct cx231xx_fh *fh = priv; | |
1600 | struct cx231xx *dev = fh->dev; | |
1601 | int rc; | |
1602 | ||
1603 | rc = check_dev(dev); | |
1604 | if (rc < 0) | |
1605 | return rc; | |
1606 | ||
1607 | if ( (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) || | |
1608 | (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) ) | |
1609 | return -EINVAL; | |
1610 | if (type != fh->type) | |
1611 | return -EINVAL; | |
1612 | ||
1613 | mutex_lock(&dev->lock); | |
1614 | ||
1615 | videobuf_streamoff(&fh->vb_vidq); | |
1616 | res_free(fh); | |
1617 | ||
1618 | mutex_unlock(&dev->lock); | |
1619 | ||
1620 | return 0; | |
1621 | } | |
1622 | ||
1623 | static int vidioc_querycap(struct file *file, void *priv, | |
1624 | struct v4l2_capability *cap) | |
1625 | { | |
1626 | struct cx231xx_fh *fh = priv; | |
1627 | struct cx231xx *dev = fh->dev; | |
1628 | ||
1629 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); | |
1630 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); | |
1631 | strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info)); | |
1632 | ||
1633 | cap->version = CX231XX_VERSION_CODE; | |
1634 | ||
1635 | cap->capabilities = | |
1636 | V4L2_CAP_VBI_CAPTURE | | |
1637 | #if 0 | |
1638 | V4L2_CAP_SLICED_VBI_CAPTURE | | |
1639 | #endif | |
1640 | V4L2_CAP_VIDEO_CAPTURE | | |
1641 | V4L2_CAP_AUDIO | | |
1642 | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; | |
1643 | ||
1644 | if (dev->tuner_type != TUNER_ABSENT) | |
1645 | cap->capabilities |= V4L2_CAP_TUNER; | |
1646 | ||
1647 | return 0; | |
1648 | } | |
1649 | ||
1650 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1651 | struct v4l2_fmtdesc *f) | |
1652 | { | |
1653 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
1654 | return -EINVAL; | |
1655 | ||
1656 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); | |
1657 | f->pixelformat = format[f->index].fourcc; | |
1658 | ||
1659 | return 0; | |
1660 | } | |
1661 | ||
1662 | /* Sliced VBI ioctls */ | |
1663 | static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, | |
1664 | struct v4l2_format *f) | |
1665 | { | |
1666 | struct cx231xx_fh *fh = priv; | |
1667 | struct cx231xx *dev = fh->dev; | |
1668 | int rc; | |
1669 | ||
1670 | rc = check_dev(dev); | |
1671 | if (rc < 0) | |
1672 | return rc; | |
1673 | ||
1674 | mutex_lock(&dev->lock); | |
1675 | ||
1676 | f->fmt.sliced.service_set = 0; | |
1677 | ||
1678 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_G_FMT, f); | |
1679 | ||
1680 | if (f->fmt.sliced.service_set == 0) | |
1681 | rc = -EINVAL; | |
1682 | ||
1683 | mutex_unlock(&dev->lock); | |
1684 | return rc; | |
1685 | } | |
1686 | ||
1687 | static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, | |
1688 | struct v4l2_format *f) | |
1689 | { | |
1690 | struct cx231xx_fh *fh = priv; | |
1691 | struct cx231xx *dev = fh->dev; | |
1692 | int rc; | |
1693 | ||
1694 | rc = check_dev(dev); | |
1695 | if (rc < 0) | |
1696 | return rc; | |
1697 | ||
1698 | mutex_lock(&dev->lock); | |
1699 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_G_FMT, f); | |
1700 | mutex_unlock(&dev->lock); | |
1701 | ||
1702 | if (f->fmt.sliced.service_set == 0) | |
1703 | return -EINVAL; | |
1704 | ||
1705 | return 0; | |
1706 | } | |
1707 | ||
1708 | ||
1709 | /* RAW VBI ioctls */ | |
1710 | ||
1711 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1712 | struct v4l2_format *f) | |
1713 | { | |
1714 | struct cx231xx_fh *fh = priv; | |
1715 | struct cx231xx *dev = fh->dev; | |
1716 | ||
1717 | f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ? | |
1718 | 35468950:28636363; | |
1719 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; | |
1720 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1721 | f->fmt.vbi.offset = 64 * 4; | |
1722 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? | |
1723 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; | |
1724 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? | |
1725 | PAL_VBI_LINES : NTSC_VBI_LINES; | |
1726 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? | |
1727 | PAL_VBI_START_LINE+312 : NTSC_VBI_START_LINE + 263; | |
1728 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; | |
1729 | ||
1730 | return 0; | |
1731 | ||
1732 | } | |
1733 | ||
1734 | static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, | |
1735 | struct v4l2_format *f) | |
1736 | { | |
1737 | struct cx231xx_fh *fh = priv; | |
1738 | struct cx231xx *dev = fh->dev; | |
1739 | ||
1740 | if (dev->vbi_stream_on && !fh->stream_on) { | |
1741 | cx231xx_errdev("%s device in use by another fh\n", __func__); | |
1742 | return -EBUSY; | |
1743 | } | |
1744 | ||
1745 | f->type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1746 | f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ? | |
1747 | 35468950:28636363; | |
1748 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; | |
1749 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1750 | f->fmt.vbi.offset = 244; | |
1751 | f->fmt.vbi.flags = 0; | |
1752 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? | |
1753 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; | |
1754 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? | |
1755 | PAL_VBI_LINES : NTSC_VBI_LINES; | |
1756 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? | |
1757 | PAL_VBI_START_LINE+312 : NTSC_VBI_START_LINE + 263; | |
1758 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; | |
1759 | ||
1760 | return 0; | |
1761 | ||
1762 | } | |
1763 | ||
1764 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1765 | struct v4l2_requestbuffers *rb) | |
1766 | { | |
1767 | struct cx231xx_fh *fh = priv; | |
1768 | struct cx231xx *dev = fh->dev; | |
1769 | int rc; | |
1770 | ||
1771 | rc = check_dev(dev); | |
1772 | if (rc < 0) | |
1773 | return rc; | |
1774 | ||
1775 | return (videobuf_reqbufs(&fh->vb_vidq, rb)); | |
1776 | } | |
1777 | ||
1778 | static int vidioc_querybuf(struct file *file, void *priv, | |
1779 | struct v4l2_buffer *b) | |
1780 | { | |
1781 | struct cx231xx_fh *fh = priv; | |
1782 | struct cx231xx *dev = fh->dev; | |
1783 | int rc; | |
1784 | ||
1785 | rc = check_dev(dev); | |
1786 | if (rc < 0) | |
1787 | return rc; | |
1788 | ||
1789 | return (videobuf_querybuf(&fh->vb_vidq, b)); | |
1790 | } | |
1791 | ||
1792 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1793 | { | |
1794 | struct cx231xx_fh *fh = priv; | |
1795 | struct cx231xx *dev = fh->dev; | |
1796 | int rc; | |
1797 | ||
1798 | rc = check_dev(dev); | |
1799 | if (rc < 0) | |
1800 | return rc; | |
1801 | ||
1802 | return (videobuf_qbuf(&fh->vb_vidq, b)); | |
1803 | } | |
1804 | ||
1805 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1806 | { | |
1807 | struct cx231xx_fh *fh = priv; | |
1808 | struct cx231xx *dev = fh->dev; | |
1809 | int rc; | |
1810 | ||
1811 | rc = check_dev(dev); | |
1812 | if (rc < 0) | |
1813 | return rc; | |
1814 | ||
1815 | return (videobuf_dqbuf(&fh->vb_vidq, b, | |
1816 | file->f_flags & O_NONBLOCK)); | |
1817 | } | |
1818 | ||
1819 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1820 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) | |
1821 | { | |
1822 | struct cx231xx_fh *fh = priv; | |
1823 | ||
1824 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); | |
1825 | } | |
1826 | #endif | |
1827 | ||
1828 | ||
1829 | /* ----------------------------------------------------------- */ | |
1830 | /* RADIO ESPECIFIC IOCTLS */ | |
1831 | /* ----------------------------------------------------------- */ | |
1832 | ||
1833 | static int radio_querycap(struct file *file, void *priv, | |
1834 | struct v4l2_capability *cap) | |
1835 | { | |
1836 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
1837 | ||
1838 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); | |
1839 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); | |
1840 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); | |
1841 | ||
1842 | cap->version = CX231XX_VERSION_CODE; | |
1843 | cap->capabilities = V4L2_CAP_TUNER; | |
1844 | return 0; | |
1845 | } | |
1846 | ||
1847 | static int radio_g_tuner(struct file *file, void *priv, | |
1848 | struct v4l2_tuner *t) | |
1849 | { | |
1850 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
1851 | ||
1852 | if (unlikely(t->index > 0)) | |
1853 | return -EINVAL; | |
1854 | ||
1855 | strcpy(t->name, "Radio"); | |
1856 | t->type = V4L2_TUNER_RADIO; | |
1857 | ||
1858 | mutex_lock(&dev->lock); | |
1859 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_G_TUNER, t); | |
1860 | mutex_unlock(&dev->lock); | |
1861 | ||
1862 | return 0; | |
1863 | } | |
1864 | ||
1865 | static int radio_enum_input(struct file *file, void *priv, | |
1866 | struct v4l2_input *i) | |
1867 | { | |
1868 | if (i->index != 0) | |
1869 | return -EINVAL; | |
1870 | strcpy(i->name, "Radio"); | |
1871 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1872 | ||
1873 | return 0; | |
1874 | } | |
1875 | ||
1876 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1877 | { | |
1878 | if (unlikely(a->index)) | |
1879 | return -EINVAL; | |
1880 | ||
1881 | strcpy(a->name, "Radio"); | |
1882 | return 0; | |
1883 | } | |
1884 | ||
1885 | static int radio_s_tuner(struct file *file, void *priv, | |
1886 | struct v4l2_tuner *t) | |
1887 | { | |
1888 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
1889 | ||
1890 | if (0 != t->index) | |
1891 | return -EINVAL; | |
1892 | ||
1893 | mutex_lock(&dev->lock); | |
1894 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_TUNER, t); | |
1895 | mutex_unlock(&dev->lock); | |
1896 | ||
1897 | return 0; | |
1898 | } | |
1899 | ||
1900 | static int radio_s_audio(struct file *file, void *fh, | |
1901 | struct v4l2_audio *a) | |
1902 | { | |
1903 | return 0; | |
1904 | } | |
1905 | ||
1906 | static int radio_s_input(struct file *file, void *fh, unsigned int i) | |
1907 | { | |
1908 | return 0; | |
1909 | } | |
1910 | ||
1911 | static int radio_queryctrl(struct file *file, void *priv, | |
1912 | struct v4l2_queryctrl *c) | |
1913 | { | |
1914 | int i; | |
1915 | ||
1916 | if (c->id < V4L2_CID_BASE || | |
1917 | c->id >= V4L2_CID_LASTP1) | |
1918 | return -EINVAL; | |
1919 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
1920 | for (i = 0; i < CX231XX_CTLS; i++) | |
1921 | if (cx231xx_ctls[i].v.id == c->id) | |
1922 | break; | |
1923 | *c = cx231xx_ctls[i].v; | |
1924 | } else | |
1925 | *c = no_ctl; | |
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | /* | |
1930 | * cx231xx_v4l2_open() | |
1931 | * inits the device and starts isoc transfer | |
1932 | */ | |
1933 | static int cx231xx_v4l2_open(struct file *filp) | |
1934 | { | |
1935 | int minor = video_devdata(filp)->minor; | |
1936 | int errCode = 0, radio = 0; | |
1937 | struct cx231xx *dev = NULL; | |
1938 | struct cx231xx_fh *fh; | |
1939 | enum v4l2_buf_type fh_type = 0; | |
1940 | ||
1941 | dev = cx231xx_get_device(minor, &fh_type, &radio); | |
1942 | if (NULL == dev) | |
1943 | return -ENODEV; | |
1944 | ||
1945 | mutex_lock(&dev->lock); | |
1946 | ||
1947 | cx231xx_videodbg("open minor=%d type=%s users=%d\n", | |
1948 | minor, v4l2_type_names[fh_type], dev->users); | |
1949 | ||
1950 | #if 0 | |
1951 | errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
1952 | if (errCode < 0) { | |
1953 | cx231xx_errdev("Device locked on digital mode. Can't open analog\n"); | |
1954 | mutex_unlock(&dev->lock); | |
1955 | return -EBUSY; | |
1956 | } | |
1957 | #endif | |
1958 | ||
1959 | fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL); | |
1960 | if (!fh) { | |
1961 | cx231xx_errdev("cx231xx-video.c: Out of memory?!\n"); | |
1962 | mutex_unlock(&dev->lock); | |
1963 | return -ENOMEM; | |
1964 | } | |
1965 | fh->dev = dev; | |
1966 | fh->radio = radio; | |
1967 | fh->type = fh_type; | |
1968 | filp->private_data = fh; | |
1969 | ||
1970 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { | |
1971 | dev->width = norm_maxw(dev); | |
1972 | dev->height = norm_maxh(dev); | |
1973 | dev->hscale = 0; | |
1974 | dev->vscale = 0; | |
1975 | ||
1976 | ||
1977 | /* Power up in Analog TV mode */ | |
1978 | cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); | |
1979 | ||
1980 | #if 0 | |
1981 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
1982 | #endif | |
1983 | cx231xx_resolution_set(dev); | |
1984 | ||
1985 | /* set video alternate setting */ | |
1986 | cx231xx_set_video_alternate(dev); | |
1987 | ||
1988 | /* Needed, since GPIO might have disabled power of | |
1989 | some i2c device */ | |
1990 | cx231xx_config_i2c(dev); | |
1991 | ||
1992 | /* device needs to be initialized before isoc transfer */ | |
1993 | dev->video_input = dev->video_input > 2 ? 2: dev->video_input; | |
1994 | video_mux(dev, dev->video_input ); | |
1995 | ||
1996 | } | |
1997 | if (fh->radio) { | |
1998 | cx231xx_videodbg("video_open: setting radio device\n"); | |
1999 | ||
2000 | /* cx231xx_start_radio(dev); */ | |
2001 | ||
2002 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], AUDC_SET_RADIO, NULL); | |
2003 | } | |
2004 | ||
2005 | dev->users++; | |
2006 | ||
2007 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
2008 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops, | |
2009 | NULL, &dev->video_mode.slock, fh->type, V4L2_FIELD_INTERLACED, /* V4L2_FIELD_SEQ_TB, */ | |
2010 | sizeof(struct cx231xx_buffer), fh); | |
2011 | } | |
2012 | ||
2013 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
2014 | ||
2015 | /* Set the required alternate setting VBI interface works in Bulk mode only */ | |
2016 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); | |
2017 | ||
2018 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops, | |
2019 | NULL, &dev->vbi_mode.slock, fh->type, V4L2_FIELD_SEQ_TB, /* V4L2_FIELD_INTERLACED, */ | |
2020 | sizeof(struct cx231xx_buffer), fh); | |
2021 | } | |
2022 | ||
2023 | mutex_unlock(&dev->lock); | |
2024 | ||
2025 | return errCode; | |
2026 | } | |
2027 | ||
2028 | /* | |
2029 | * cx231xx_realease_resources() | |
2030 | * unregisters the v4l2,i2c and usb devices | |
2031 | * called when the device gets disconected or at module unload | |
2032 | */ | |
2033 | void cx231xx_release_analog_resources(struct cx231xx *dev) | |
2034 | { | |
2035 | ||
2036 | /*FIXME: I2C IR should be disconnected */ | |
2037 | ||
2038 | if (dev->radio_dev) { | |
2039 | if (-1 != dev->radio_dev->minor) | |
2040 | video_unregister_device(dev->radio_dev); | |
2041 | else | |
2042 | video_device_release(dev->radio_dev); | |
2043 | dev->radio_dev = NULL; | |
2044 | } | |
2045 | if (dev->vbi_dev) { | |
2046 | cx231xx_info("V4L2 device /dev/vbi%d deregistered\n", | |
2047 | dev->vbi_dev->num); | |
2048 | if (-1 != dev->vbi_dev->minor) | |
2049 | video_unregister_device(dev->vbi_dev); | |
2050 | else | |
2051 | video_device_release(dev->vbi_dev); | |
2052 | dev->vbi_dev = NULL; | |
2053 | } | |
2054 | if (dev->vdev) { | |
2055 | cx231xx_info("V4L2 device /dev/video%d deregistered\n", | |
2056 | dev->vdev->num); | |
2057 | if (-1 != dev->vdev->minor) | |
2058 | video_unregister_device(dev->vdev); | |
2059 | else | |
2060 | video_device_release(dev->vdev); | |
2061 | dev->vdev = NULL; | |
2062 | } | |
2063 | } | |
2064 | ||
2065 | /* | |
2066 | * cx231xx_v4l2_close() | |
2067 | * stops streaming and deallocates all resources allocated by the v4l2 | |
2068 | * calls and ioctls | |
2069 | */ | |
2070 | static int cx231xx_v4l2_close(struct file *filp) | |
2071 | { | |
2072 | struct cx231xx_fh *fh = filp->private_data; | |
2073 | struct cx231xx *dev = fh->dev; | |
2074 | ||
2075 | cx231xx_videodbg("users=%d\n", dev->users); | |
2076 | ||
2077 | mutex_lock(&dev->lock); | |
2078 | ||
2079 | if (res_check(fh)) | |
2080 | res_free(fh); | |
2081 | ||
2082 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
2083 | videobuf_stop(&fh->vb_vidq); | |
2084 | videobuf_mmap_free(&fh->vb_vidq); | |
2085 | ||
2086 | /* the device is already disconnect, | |
2087 | free the remaining resources */ | |
2088 | if (dev->state & DEV_DISCONNECTED) { | |
2089 | cx231xx_release_resources(dev); | |
2090 | mutex_unlock(&dev->lock); | |
2091 | kfree(dev); | |
2092 | return 0; | |
2093 | } | |
2094 | ||
2095 | /* do this before setting alternate! */ | |
2096 | cx231xx_uninit_vbi_isoc(dev); | |
2097 | ||
2098 | /* set alternate 0 */ | |
2099 | if( !dev->vbi_or_sliced_cc_mode) { | |
2100 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); | |
2101 | } else { | |
2102 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); | |
2103 | } | |
2104 | ||
2105 | kfree(fh); | |
2106 | dev->users--; | |
2107 | wake_up_interruptible_nr(&dev->open, 1); | |
2108 | mutex_unlock(&dev->lock); | |
2109 | return 0; | |
2110 | } | |
2111 | ||
2112 | if (dev->users == 1) { | |
2113 | videobuf_stop(&fh->vb_vidq); | |
2114 | videobuf_mmap_free(&fh->vb_vidq); | |
2115 | ||
2116 | /* the device is already disconnect, | |
2117 | free the remaining resources */ | |
2118 | if (dev->state & DEV_DISCONNECTED) { | |
2119 | cx231xx_release_resources(dev); | |
2120 | mutex_unlock(&dev->lock); | |
2121 | kfree(dev); | |
2122 | return 0; | |
2123 | } | |
2124 | ||
2125 | /* Save some power by putting tuner to sleep */ | |
2126 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], TUNER_SET_STANDBY, NULL); | |
2127 | ||
2128 | /* do this before setting alternate! */ | |
2129 | cx231xx_uninit_isoc(dev); | |
2130 | cx231xx_set_mode(dev, CX231XX_SUSPEND); | |
2131 | ||
2132 | /* set alternate 0 */ | |
2133 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); | |
2134 | } | |
2135 | kfree(fh); | |
2136 | dev->users--; | |
2137 | wake_up_interruptible_nr(&dev->open, 1); | |
2138 | mutex_unlock(&dev->lock); | |
2139 | return 0; | |
2140 | } | |
2141 | ||
2142 | /* | |
2143 | * cx231xx_v4l2_read() | |
2144 | * will allocate buffers when called for the first time | |
2145 | */ | |
2146 | static ssize_t | |
2147 | cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count, | |
2148 | loff_t *pos) | |
2149 | { | |
2150 | struct cx231xx_fh *fh = filp->private_data; | |
2151 | struct cx231xx *dev = fh->dev; | |
2152 | int rc; | |
2153 | ||
2154 | rc = check_dev(dev); | |
2155 | if (rc < 0) | |
2156 | return rc; | |
2157 | ||
2158 | if ( (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) || | |
2159 | (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) ) { | |
2160 | mutex_lock(&dev->lock); | |
2161 | rc = res_get(fh); | |
2162 | mutex_unlock(&dev->lock); | |
2163 | ||
2164 | if (unlikely(rc < 0)) | |
2165 | return rc; | |
2166 | ||
2167 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
2168 | filp->f_flags & O_NONBLOCK); | |
2169 | } | |
2170 | return 0; | |
2171 | } | |
2172 | ||
2173 | /* | |
2174 | * cx231xx_v4l2_poll() | |
2175 | * will allocate buffers when called for the first time | |
2176 | */ | |
2177 | static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table * wait) | |
2178 | { | |
2179 | struct cx231xx_fh *fh = filp->private_data; | |
2180 | struct cx231xx *dev = fh->dev; | |
2181 | int rc; | |
2182 | ||
2183 | rc = check_dev(dev); | |
2184 | if (rc < 0) | |
2185 | return rc; | |
2186 | ||
2187 | mutex_lock(&dev->lock); | |
2188 | rc = res_get(fh); | |
2189 | mutex_unlock(&dev->lock); | |
2190 | ||
2191 | if (unlikely(rc < 0)) | |
2192 | return POLLERR; | |
2193 | ||
2194 | if ( (V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) || | |
2195 | (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) ) | |
2196 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); | |
2197 | else | |
2198 | return POLLERR; | |
2199 | } | |
2200 | ||
2201 | /* | |
2202 | * cx231xx_v4l2_mmap() | |
2203 | */ | |
2204 | static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
2205 | { | |
2206 | struct cx231xx_fh *fh = filp->private_data; | |
2207 | struct cx231xx *dev = fh->dev; | |
2208 | int rc; | |
2209 | ||
2210 | rc = check_dev(dev); | |
2211 | if (rc < 0) | |
2212 | return rc; | |
2213 | ||
2214 | mutex_lock(&dev->lock); | |
2215 | rc = res_get(fh); | |
2216 | mutex_unlock(&dev->lock); | |
2217 | ||
2218 | if (unlikely(rc < 0)) | |
2219 | return rc; | |
2220 | ||
2221 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
2222 | ||
2223 | cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", | |
2224 | (unsigned long)vma->vm_start, | |
2225 | (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, | |
2226 | rc); | |
2227 | ||
2228 | return rc; | |
2229 | } | |
2230 | ||
2231 | static const struct v4l2_file_operations cx231xx_v4l_fops = { | |
2232 | .owner = THIS_MODULE, | |
2233 | .open = cx231xx_v4l2_open, | |
2234 | .release = cx231xx_v4l2_close, | |
2235 | .read = cx231xx_v4l2_read, | |
2236 | .poll = cx231xx_v4l2_poll, | |
2237 | .mmap = cx231xx_v4l2_mmap, | |
2238 | .ioctl = video_ioctl2, | |
2239 | }; | |
2240 | ||
2241 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
2242 | .vidioc_querycap = vidioc_querycap, | |
2243 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
2244 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
2245 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
2246 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
2247 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, | |
2248 | .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, | |
2249 | .vidioc_s_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, | |
2250 | .vidioc_g_audio = vidioc_g_audio, | |
2251 | .vidioc_s_audio = vidioc_s_audio, | |
2252 | .vidioc_cropcap = vidioc_cropcap, | |
2253 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, | |
2254 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
2255 | .vidioc_reqbufs = vidioc_reqbufs, | |
2256 | .vidioc_querybuf = vidioc_querybuf, | |
2257 | .vidioc_qbuf = vidioc_qbuf, | |
2258 | .vidioc_dqbuf = vidioc_dqbuf, | |
2259 | .vidioc_s_std = vidioc_s_std, | |
2260 | .vidioc_g_std = vidioc_g_std, | |
2261 | .vidioc_enum_input = vidioc_enum_input, | |
2262 | .vidioc_g_input = vidioc_g_input, | |
2263 | .vidioc_s_input = vidioc_s_input, | |
2264 | .vidioc_queryctrl = vidioc_queryctrl, | |
2265 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
2266 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
2267 | .vidioc_streamon = vidioc_streamon, | |
2268 | .vidioc_streamoff = vidioc_streamoff, | |
2269 | .vidioc_g_tuner = vidioc_g_tuner, | |
2270 | .vidioc_s_tuner = vidioc_s_tuner, | |
2271 | .vidioc_g_frequency = vidioc_g_frequency, | |
2272 | .vidioc_s_frequency = vidioc_s_frequency, | |
2273 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
2274 | .vidioc_g_register = vidioc_g_register, | |
2275 | .vidioc_s_register = vidioc_s_register, | |
2276 | #endif | |
2277 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
2278 | .vidiocgmbuf = vidiocgmbuf, | |
2279 | #endif | |
2280 | }; | |
2281 | ||
2282 | static struct video_device cx231xx_vbi_template; | |
2283 | ||
2284 | static const struct video_device cx231xx_video_template = { | |
2285 | .fops = &cx231xx_v4l_fops, | |
2286 | .release = video_device_release, | |
2287 | .ioctl_ops = &video_ioctl_ops, | |
2288 | .minor = -1, | |
2289 | .tvnorms = V4L2_STD_ALL, | |
2290 | .current_norm = V4L2_STD_PAL, | |
2291 | }; | |
2292 | ||
2293 | static const struct v4l2_file_operations radio_fops = { | |
2294 | .owner = THIS_MODULE, | |
2295 | .open = cx231xx_v4l2_open, | |
2296 | .release = cx231xx_v4l2_close, | |
2297 | .ioctl = video_ioctl2, | |
2298 | }; | |
2299 | ||
2300 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
2301 | .vidioc_querycap = radio_querycap, | |
2302 | .vidioc_g_tuner = radio_g_tuner, | |
2303 | .vidioc_enum_input = radio_enum_input, | |
2304 | .vidioc_g_audio = radio_g_audio, | |
2305 | .vidioc_s_tuner = radio_s_tuner, | |
2306 | .vidioc_s_audio = radio_s_audio, | |
2307 | .vidioc_s_input = radio_s_input, | |
2308 | .vidioc_queryctrl = radio_queryctrl, | |
2309 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
2310 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
2311 | .vidioc_g_frequency = vidioc_g_frequency, | |
2312 | .vidioc_s_frequency = vidioc_s_frequency, | |
2313 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
2314 | .vidioc_g_register = vidioc_g_register, | |
2315 | .vidioc_s_register = vidioc_s_register, | |
2316 | #endif | |
2317 | }; | |
2318 | ||
2319 | static struct video_device cx231xx_radio_template = { | |
2320 | .name = "cx231xx-radio", | |
2321 | .fops = &radio_fops, | |
2322 | .ioctl_ops = &radio_ioctl_ops, | |
2323 | .minor = -1, | |
2324 | }; | |
2325 | ||
2326 | /******************************** usb interface ******************************/ | |
2327 | ||
2328 | ||
2329 | static struct video_device *cx231xx_vdev_init(struct cx231xx *dev, | |
2330 | const struct video_device *template, | |
2331 | const char *type_name) | |
2332 | { | |
2333 | struct video_device *vfd; | |
2334 | ||
2335 | vfd = video_device_alloc(); | |
2336 | if (NULL == vfd) | |
2337 | return NULL; | |
2338 | *vfd = *template; | |
2339 | vfd->minor = -1; | |
2340 | vfd->parent = &dev->udev->dev; | |
2341 | vfd->release = video_device_release; | |
2342 | vfd->debug = video_debug; | |
2343 | ||
2344 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", | |
2345 | dev->name, type_name); | |
2346 | ||
2347 | return vfd; | |
2348 | } | |
2349 | ||
2350 | int cx231xx_register_analog_devices(struct cx231xx *dev) | |
2351 | { | |
2352 | int ret; | |
2353 | ||
2354 | cx231xx_info("%s()\n", __func__); | |
2355 | ||
2356 | cx231xx_info("%s: v4l2 driver version %d.%d.%d\n", | |
2357 | dev->name, | |
2358 | (CX231XX_VERSION_CODE >> 16) & 0xff, | |
2359 | (CX231XX_VERSION_CODE >> 8) & 0xff, CX231XX_VERSION_CODE & 0xff); | |
2360 | ||
2361 | /* set default norm */ | |
2362 | /*dev->norm = cx231xx_video_template.current_norm;*/ | |
2363 | dev->width = norm_maxw(dev); | |
2364 | dev->height = norm_maxh(dev); | |
2365 | dev->interlaced = 0; | |
2366 | dev->hscale = 0; | |
2367 | dev->vscale = 0; | |
2368 | ||
2369 | /* Analog specific initialization */ | |
2370 | dev->format = &format[0]; | |
2371 | /* video_mux(dev, dev->video_input); */ | |
2372 | ||
2373 | /* Audio defaults */ | |
2374 | dev->mute = 1; | |
2375 | dev->volume = 0x1f; | |
2376 | ||
2377 | /* enable vbi capturing */ | |
2378 | /* write code here... */ | |
2379 | ||
2380 | /* allocate and fill video video_device struct */ | |
2381 | dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video"); | |
2382 | if (!dev->vdev) { | |
2383 | cx231xx_errdev("cannot allocate video_device.\n"); | |
2384 | return -ENODEV; | |
2385 | } | |
2386 | ||
2387 | /* register v4l2 video video_device */ | |
2388 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, | |
2389 | video_nr[dev->devno]); | |
2390 | if (ret) { | |
2391 | cx231xx_errdev("unable to register video device (error=%i).\n", ret); | |
2392 | return ret; | |
2393 | } | |
2394 | ||
2395 | cx231xx_info("%s/0: registered device video%d [v4l2]\n", | |
2396 | dev->name, dev->vdev->num); | |
2397 | ||
2398 | /* Initialize VBI template */ | |
2399 | memcpy( &cx231xx_vbi_template, &cx231xx_video_template, | |
2400 | sizeof(cx231xx_vbi_template) ); | |
2401 | strcpy(cx231xx_vbi_template.name,"cx231xx-vbi"); | |
2402 | ||
2403 | ||
2404 | /* Allocate and fill vbi video_device struct */ | |
2405 | dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi"); | |
2406 | ||
2407 | /* register v4l2 vbi video_device */ | |
2408 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, | |
2409 | vbi_nr[dev->devno]); | |
2410 | if (ret < 0) { | |
2411 | cx231xx_errdev("unable to register vbi device\n"); | |
2412 | return ret; | |
2413 | } | |
2414 | ||
2415 | cx231xx_info("%s/0: registered device vbi%d\n", | |
2416 | dev->name, dev->vbi_dev->num); | |
2417 | ||
2418 | if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { | |
2419 | dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template, "radio"); | |
2420 | if (!dev->radio_dev) { | |
2421 | cx231xx_errdev("cannot allocate video_device.\n"); | |
2422 | return -ENODEV; | |
2423 | } | |
2424 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, | |
2425 | radio_nr[dev->devno]); | |
2426 | if (ret < 0) { | |
2427 | cx231xx_errdev("can't register radio device\n"); | |
2428 | return ret; | |
2429 | } | |
2430 | cx231xx_info("Registered radio device as /dev/radio%d\n", | |
2431 | dev->radio_dev->num); | |
2432 | } | |
2433 | ||
2434 | cx231xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", | |
2435 | dev->vdev->num, dev->vbi_dev->num); | |
2436 | ||
2437 | return 0; | |
2438 | } | |
2439 | ||
2440 |