Commit | Line | Data |
---|---|---|
e0d3bafd | 1 | /* |
cde4362f MCC |
2 | cx231xx-video.c - driver for Conexant Cx23100/101/102 |
3 | USB video capture devices | |
e0d3bafd SD |
4 | |
5 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> | |
84b5dbf3 MCC |
6 | Based on em28xx driver |
7 | Based on cx23885 driver | |
8 | Based on cx88 driver | |
e0d3bafd SD |
9 | |
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | */ | |
24 | ||
e0d3bafd SD |
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> | |
e0d3bafd SD |
32 | #include <linux/mm.h> |
33 | #include <linux/mutex.h> | |
5a0e3ad6 | 34 | #include <linux/slab.h> |
e0d3bafd SD |
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 | ||
1990d50b | 47 | #define CX231XX_VERSION "0.0.2" |
818fdf34 | 48 | |
e0d3bafd SD |
49 | #define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>" |
50 | #define DRIVER_DESC "Conexant cx231xx based USB video device driver" | |
51 | ||
e0d3bafd SD |
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"); | |
1990d50b | 72 | MODULE_VERSION(CX231XX_VERSION); |
e0d3bafd | 73 | |
e0d3bafd SD |
74 | static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; |
75 | static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
76 | static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
77 | static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
78 | ||
84b5dbf3 | 79 | module_param_array(card, int, NULL, 0444); |
e0d3bafd SD |
80 | module_param_array(video_nr, int, NULL, 0444); |
81 | module_param_array(vbi_nr, int, NULL, 0444); | |
82 | module_param_array(radio_nr, int, NULL, 0444); | |
83 | ||
84b5dbf3 | 84 | MODULE_PARM_DESC(card, "card type"); |
e0d3bafd | 85 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
84b5dbf3 | 86 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
e0d3bafd SD |
87 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); |
88 | ||
89 | static unsigned int video_debug; | |
90 | module_param(video_debug, int, 0644); | |
91 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
92 | ||
e0d3bafd SD |
93 | /* supported video standards */ |
94 | static struct cx231xx_fmt format[] = { | |
95 | { | |
84b5dbf3 MCC |
96 | .name = "16bpp YUY2, 4:2:2, packed", |
97 | .fourcc = V4L2_PIX_FMT_YUYV, | |
98 | .depth = 16, | |
99 | .reg = 0, | |
100 | }, | |
e0d3bafd SD |
101 | }; |
102 | ||
e0d3bafd SD |
103 | /* supported controls */ |
104 | /* Common to all boards */ | |
105 | ||
106 | /* ------------------------------------------------------------------- */ | |
107 | ||
108 | static const struct v4l2_queryctrl no_ctl = { | |
84b5dbf3 | 109 | .name = "42", |
e0d3bafd SD |
110 | .flags = V4L2_CTRL_FLAG_DISABLED, |
111 | }; | |
112 | ||
113 | static struct cx231xx_ctrl cx231xx_ctls[] = { | |
114 | /* --- video --- */ | |
115 | { | |
cde4362f MCC |
116 | .v = { |
117 | .id = V4L2_CID_BRIGHTNESS, | |
118 | .name = "Brightness", | |
119 | .minimum = 0x00, | |
120 | .maximum = 0xff, | |
121 | .step = 1, | |
122 | .default_value = 0x7f, | |
123 | .type = V4L2_CTRL_TYPE_INTEGER, | |
124 | }, | |
125 | .off = 128, | |
126 | .reg = LUMA_CTRL, | |
127 | .mask = 0x00ff, | |
128 | .shift = 0, | |
129 | }, { | |
130 | .v = { | |
131 | .id = V4L2_CID_CONTRAST, | |
132 | .name = "Contrast", | |
133 | .minimum = 0, | |
134 | .maximum = 0xff, | |
135 | .step = 1, | |
136 | .default_value = 0x3f, | |
137 | .type = V4L2_CTRL_TYPE_INTEGER, | |
138 | }, | |
139 | .off = 0, | |
140 | .reg = LUMA_CTRL, | |
141 | .mask = 0xff00, | |
142 | .shift = 8, | |
143 | }, { | |
144 | .v = { | |
145 | .id = V4L2_CID_HUE, | |
146 | .name = "Hue", | |
147 | .minimum = 0, | |
148 | .maximum = 0xff, | |
149 | .step = 1, | |
150 | .default_value = 0x7f, | |
151 | .type = V4L2_CTRL_TYPE_INTEGER, | |
152 | }, | |
153 | .off = 128, | |
154 | .reg = CHROMA_CTRL, | |
155 | .mask = 0xff0000, | |
156 | .shift = 16, | |
157 | }, { | |
158 | /* strictly, this only describes only U saturation. | |
159 | * V saturation is handled specially through code. | |
160 | */ | |
161 | .v = { | |
162 | .id = V4L2_CID_SATURATION, | |
163 | .name = "Saturation", | |
164 | .minimum = 0, | |
165 | .maximum = 0xff, | |
166 | .step = 1, | |
167 | .default_value = 0x7f, | |
168 | .type = V4L2_CTRL_TYPE_INTEGER, | |
169 | }, | |
170 | .off = 0, | |
171 | .reg = CHROMA_CTRL, | |
172 | .mask = 0x00ff, | |
173 | .shift = 0, | |
174 | }, { | |
175 | /* --- audio --- */ | |
176 | .v = { | |
177 | .id = V4L2_CID_AUDIO_MUTE, | |
178 | .name = "Mute", | |
179 | .minimum = 0, | |
180 | .maximum = 1, | |
181 | .default_value = 1, | |
182 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
183 | }, | |
184 | .reg = PATH1_CTL1, | |
185 | .mask = (0x1f << 24), | |
186 | .shift = 24, | |
187 | }, { | |
188 | .v = { | |
189 | .id = V4L2_CID_AUDIO_VOLUME, | |
190 | .name = "Volume", | |
191 | .minimum = 0, | |
192 | .maximum = 0x3f, | |
193 | .step = 1, | |
194 | .default_value = 0x3f, | |
195 | .type = V4L2_CTRL_TYPE_INTEGER, | |
196 | }, | |
197 | .reg = PATH1_VOL_CTL, | |
198 | .mask = 0xff, | |
199 | .shift = 0, | |
200 | } | |
e0d3bafd SD |
201 | }; |
202 | static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls); | |
203 | ||
204 | static const u32 cx231xx_user_ctrls[] = { | |
205 | V4L2_CID_USER_CLASS, | |
206 | V4L2_CID_BRIGHTNESS, | |
207 | V4L2_CID_CONTRAST, | |
208 | V4L2_CID_SATURATION, | |
209 | V4L2_CID_HUE, | |
210 | V4L2_CID_AUDIO_VOLUME, | |
211 | #if 0 | |
212 | V4L2_CID_AUDIO_BALANCE, | |
213 | #endif | |
214 | V4L2_CID_AUDIO_MUTE, | |
215 | 0 | |
216 | }; | |
217 | ||
218 | static const u32 *ctrl_classes[] = { | |
219 | cx231xx_user_ctrls, | |
220 | NULL | |
221 | }; | |
222 | ||
e0d3bafd SD |
223 | /* ------------------------------------------------------------------ |
224 | Video buffer and parser functions | |
225 | ------------------------------------------------------------------*/ | |
226 | ||
227 | /* | |
228 | * Announces that a buffer were filled and request the next | |
229 | */ | |
230 | static inline void buffer_filled(struct cx231xx *dev, | |
84b5dbf3 MCC |
231 | struct cx231xx_dmaqueue *dma_q, |
232 | struct cx231xx_buffer *buf) | |
e0d3bafd SD |
233 | { |
234 | /* Advice that buffer was filled */ | |
235 | cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
236 | buf->vb.state = VIDEOBUF_DONE; | |
237 | buf->vb.field_count++; | |
238 | do_gettimeofday(&buf->vb.ts); | |
239 | ||
64fbf444 PB |
240 | if (dev->USE_ISO) |
241 | dev->video_mode.isoc_ctl.buf = NULL; | |
242 | else | |
243 | dev->video_mode.bulk_ctl.buf = NULL; | |
e0d3bafd SD |
244 | |
245 | list_del(&buf->vb.queue); | |
246 | wake_up(&buf->vb.done); | |
247 | } | |
248 | ||
84b5dbf3 | 249 | static inline void print_err_status(struct cx231xx *dev, int packet, int status) |
e0d3bafd SD |
250 | { |
251 | char *errmsg = "Unknown"; | |
252 | ||
253 | switch (status) { | |
254 | case -ENOENT: | |
255 | errmsg = "unlinked synchronuously"; | |
256 | break; | |
257 | case -ECONNRESET: | |
258 | errmsg = "unlinked asynchronuously"; | |
259 | break; | |
260 | case -ENOSR: | |
261 | errmsg = "Buffer error (overrun)"; | |
262 | break; | |
263 | case -EPIPE: | |
264 | errmsg = "Stalled (device not responding)"; | |
265 | break; | |
266 | case -EOVERFLOW: | |
267 | errmsg = "Babble (bad cable?)"; | |
268 | break; | |
269 | case -EPROTO: | |
270 | errmsg = "Bit-stuff error (bad cable?)"; | |
271 | break; | |
272 | case -EILSEQ: | |
273 | errmsg = "CRC/Timeout (could be anything)"; | |
274 | break; | |
275 | case -ETIME: | |
276 | errmsg = "Device does not respond"; | |
277 | break; | |
278 | } | |
279 | if (packet < 0) { | |
84b5dbf3 | 280 | cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
e0d3bafd SD |
281 | } else { |
282 | cx231xx_isocdbg("URB packet %d, status %d [%s].\n", | |
84b5dbf3 | 283 | packet, status, errmsg); |
e0d3bafd SD |
284 | } |
285 | } | |
286 | ||
287 | /* | |
288 | * video-buf generic routine to get the next available buffer | |
289 | */ | |
290 | static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, | |
84b5dbf3 | 291 | struct cx231xx_buffer **buf) |
e0d3bafd | 292 | { |
84b5dbf3 MCC |
293 | struct cx231xx_video_mode *vmode = |
294 | container_of(dma_q, struct cx231xx_video_mode, vidq); | |
295 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); | |
e0d3bafd SD |
296 | |
297 | char *outp; | |
298 | ||
e0d3bafd SD |
299 | if (list_empty(&dma_q->active)) { |
300 | cx231xx_isocdbg("No active queue to serve\n"); | |
64fbf444 PB |
301 | if (dev->USE_ISO) |
302 | dev->video_mode.isoc_ctl.buf = NULL; | |
303 | else | |
304 | dev->video_mode.bulk_ctl.buf = NULL; | |
e0d3bafd SD |
305 | *buf = NULL; |
306 | return; | |
307 | } | |
308 | ||
309 | /* Get the next buffer */ | |
310 | *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue); | |
311 | ||
25985edc | 312 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
e0d3bafd SD |
313 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
314 | memset(outp, 0, (*buf)->vb.size); | |
315 | ||
64fbf444 PB |
316 | if (dev->USE_ISO) |
317 | dev->video_mode.isoc_ctl.buf = *buf; | |
318 | else | |
319 | dev->video_mode.bulk_ctl.buf = *buf; | |
e0d3bafd SD |
320 | |
321 | return; | |
322 | } | |
323 | ||
324 | /* | |
325 | * Controls the isoc copy of each urb packet | |
326 | */ | |
327 | static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) | |
328 | { | |
84b5dbf3 MCC |
329 | struct cx231xx_buffer *buf; |
330 | struct cx231xx_dmaqueue *dma_q = urb->context; | |
e0d3bafd | 331 | unsigned char *outp = NULL; |
84b5dbf3 | 332 | int i, rc = 1; |
e0d3bafd | 333 | unsigned char *p_buffer; |
84b5dbf3 MCC |
334 | u32 bytes_parsed = 0, buffer_size = 0; |
335 | u8 sav_eav = 0; | |
e0d3bafd SD |
336 | |
337 | if (!dev) | |
338 | return 0; | |
339 | ||
340 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
341 | return 0; | |
342 | ||
343 | if (urb->status < 0) { | |
344 | print_err_status(dev, -1, urb->status); | |
345 | if (urb->status == -ENOENT) | |
346 | return 0; | |
347 | } | |
348 | ||
349 | buf = dev->video_mode.isoc_ctl.buf; | |
350 | if (buf != NULL) | |
351 | outp = videobuf_to_vmalloc(&buf->vb); | |
352 | ||
353 | for (i = 0; i < urb->number_of_packets; i++) { | |
354 | int status = urb->iso_frame_desc[i].status; | |
355 | ||
356 | if (status < 0) { | |
357 | print_err_status(dev, i, status); | |
358 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
359 | continue; | |
360 | } | |
361 | ||
84b5dbf3 | 362 | if (urb->iso_frame_desc[i].actual_length <= 0) { |
e0d3bafd SD |
363 | /* cx231xx_isocdbg("packet %d is empty",i); - spammy */ |
364 | continue; | |
365 | } | |
366 | if (urb->iso_frame_desc[i].actual_length > | |
84b5dbf3 | 367 | dev->video_mode.max_pkt_size) { |
e0d3bafd SD |
368 | cx231xx_isocdbg("packet bigger than packet size"); |
369 | continue; | |
370 | } | |
371 | ||
84b5dbf3 | 372 | /* get buffer pointer and length */ |
e0d3bafd | 373 | p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
84b5dbf3 MCC |
374 | buffer_size = urb->iso_frame_desc[i].actual_length; |
375 | bytes_parsed = 0; | |
376 | ||
377 | if (dma_q->is_partial_line) { | |
b9255176 | 378 | /* Handle the case of a partial line */ |
84b5dbf3 MCC |
379 | sav_eav = dma_q->last_sav; |
380 | } else { | |
b9255176 SD |
381 | /* Check for a SAV/EAV overlapping |
382 | the buffer boundary */ | |
84b5dbf3 MCC |
383 | sav_eav = |
384 | cx231xx_find_boundary_SAV_EAV(p_buffer, | |
385 | dma_q->partial_buf, | |
386 | &bytes_parsed); | |
387 | } | |
e0d3bafd | 388 | |
84b5dbf3 | 389 | sav_eav &= 0xF0; |
cde4362f MCC |
390 | /* Get the first line if we have some portion of an SAV/EAV from |
391 | the last buffer or a partial line */ | |
84b5dbf3 | 392 | if (sav_eav) { |
cde4362f | 393 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, |
b9255176 SD |
394 | sav_eav, /* SAV/EAV */ |
395 | p_buffer + bytes_parsed, /* p_buffer */ | |
396 | buffer_size - bytes_parsed);/* buf size */ | |
84b5dbf3 | 397 | } |
e0d3bafd | 398 | |
84b5dbf3 MCC |
399 | /* Now parse data that is completely in this buffer */ |
400 | /* dma_q->is_partial_line = 0; */ | |
e0d3bafd | 401 | |
84b5dbf3 MCC |
402 | while (bytes_parsed < buffer_size) { |
403 | u32 bytes_used = 0; | |
e0d3bafd | 404 | |
b9255176 SD |
405 | sav_eav = cx231xx_find_next_SAV_EAV( |
406 | p_buffer + bytes_parsed, /* p_buffer */ | |
407 | buffer_size - bytes_parsed, /* buf size */ | |
408 | &bytes_used);/* bytes used to get SAV/EAV */ | |
e0d3bafd | 409 | |
84b5dbf3 | 410 | bytes_parsed += bytes_used; |
e0d3bafd | 411 | |
84b5dbf3 MCC |
412 | sav_eav &= 0xF0; |
413 | if (sav_eav && (bytes_parsed < buffer_size)) { | |
cde4362f | 414 | bytes_parsed += cx231xx_get_video_line(dev, |
b9255176 SD |
415 | dma_q, sav_eav, /* SAV/EAV */ |
416 | p_buffer + bytes_parsed,/* p_buffer */ | |
417 | buffer_size - bytes_parsed);/*buf size*/ | |
84b5dbf3 MCC |
418 | } |
419 | } | |
e0d3bafd | 420 | |
cde4362f MCC |
421 | /* Save the last four bytes of the buffer so we can check the |
422 | buffer boundary condition next time */ | |
84b5dbf3 MCC |
423 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); |
424 | bytes_parsed = 0; | |
e0d3bafd | 425 | |
84b5dbf3 MCC |
426 | } |
427 | return rc; | |
e0d3bafd SD |
428 | } |
429 | ||
64fbf444 PB |
430 | static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) |
431 | { | |
432 | struct cx231xx_buffer *buf; | |
433 | struct cx231xx_dmaqueue *dma_q = urb->context; | |
434 | unsigned char *outp = NULL; | |
435 | int rc = 1; | |
436 | unsigned char *p_buffer; | |
437 | u32 bytes_parsed = 0, buffer_size = 0; | |
438 | u8 sav_eav = 0; | |
439 | ||
440 | if (!dev) | |
441 | return 0; | |
442 | ||
443 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
444 | return 0; | |
445 | ||
446 | if (urb->status < 0) { | |
447 | print_err_status(dev, -1, urb->status); | |
448 | if (urb->status == -ENOENT) | |
449 | return 0; | |
450 | } | |
451 | ||
452 | buf = dev->video_mode.bulk_ctl.buf; | |
453 | if (buf != NULL) | |
454 | outp = videobuf_to_vmalloc(&buf->vb); | |
455 | ||
456 | if (1) { | |
457 | ||
458 | /* get buffer pointer and length */ | |
459 | p_buffer = urb->transfer_buffer; | |
460 | buffer_size = urb->actual_length; | |
461 | bytes_parsed = 0; | |
462 | ||
463 | if (dma_q->is_partial_line) { | |
464 | /* Handle the case of a partial line */ | |
465 | sav_eav = dma_q->last_sav; | |
466 | } else { | |
467 | /* Check for a SAV/EAV overlapping | |
468 | the buffer boundary */ | |
469 | sav_eav = | |
470 | cx231xx_find_boundary_SAV_EAV(p_buffer, | |
471 | dma_q->partial_buf, | |
472 | &bytes_parsed); | |
473 | } | |
474 | ||
475 | sav_eav &= 0xF0; | |
476 | /* Get the first line if we have some portion of an SAV/EAV from | |
477 | the last buffer or a partial line */ | |
478 | if (sav_eav) { | |
479 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, | |
480 | sav_eav, /* SAV/EAV */ | |
481 | p_buffer + bytes_parsed, /* p_buffer */ | |
482 | buffer_size - bytes_parsed);/* buf size */ | |
483 | } | |
484 | ||
485 | /* Now parse data that is completely in this buffer */ | |
486 | /* dma_q->is_partial_line = 0; */ | |
487 | ||
488 | while (bytes_parsed < buffer_size) { | |
489 | u32 bytes_used = 0; | |
490 | ||
491 | sav_eav = cx231xx_find_next_SAV_EAV( | |
492 | p_buffer + bytes_parsed, /* p_buffer */ | |
493 | buffer_size - bytes_parsed, /* buf size */ | |
494 | &bytes_used);/* bytes used to get SAV/EAV */ | |
495 | ||
496 | bytes_parsed += bytes_used; | |
497 | ||
498 | sav_eav &= 0xF0; | |
499 | if (sav_eav && (bytes_parsed < buffer_size)) { | |
500 | bytes_parsed += cx231xx_get_video_line(dev, | |
501 | dma_q, sav_eav, /* SAV/EAV */ | |
502 | p_buffer + bytes_parsed,/* p_buffer */ | |
503 | buffer_size - bytes_parsed);/*buf size*/ | |
504 | } | |
505 | } | |
506 | ||
507 | /* Save the last four bytes of the buffer so we can check the | |
508 | buffer boundary condition next time */ | |
509 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); | |
510 | bytes_parsed = 0; | |
511 | ||
512 | } | |
513 | return rc; | |
514 | } | |
515 | ||
516 | ||
cde4362f MCC |
517 | u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, |
518 | u32 *p_bytes_used) | |
e0d3bafd | 519 | { |
84b5dbf3 MCC |
520 | u32 bytes_used; |
521 | u8 boundary_bytes[8]; | |
522 | u8 sav_eav = 0; | |
523 | ||
524 | *p_bytes_used = 0; | |
e0d3bafd | 525 | |
84b5dbf3 MCC |
526 | /* Create an array of the last 4 bytes of the last buffer and the first |
527 | 4 bytes of the current buffer. */ | |
e0d3bafd | 528 | |
84b5dbf3 MCC |
529 | memcpy(boundary_bytes, partial_buf, 4); |
530 | memcpy(boundary_bytes + 4, p_buffer, 4); | |
e0d3bafd | 531 | |
84b5dbf3 | 532 | /* Check for the SAV/EAV in the boundary buffer */ |
cde4362f MCC |
533 | sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8, |
534 | &bytes_used); | |
e0d3bafd | 535 | |
84b5dbf3 MCC |
536 | if (sav_eav) { |
537 | /* found a boundary SAV/EAV. Updates the bytes used to reflect | |
538 | only those used in the new buffer */ | |
539 | *p_bytes_used = bytes_used - 4; | |
540 | } | |
e0d3bafd | 541 | |
84b5dbf3 | 542 | return sav_eav; |
e0d3bafd SD |
543 | } |
544 | ||
cde4362f | 545 | u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used) |
84b5dbf3 MCC |
546 | { |
547 | u32 i; | |
548 | u8 sav_eav = 0; | |
e0d3bafd | 549 | |
cde4362f MCC |
550 | /* |
551 | * Don't search if the buffer size is less than 4. It causes a page | |
552 | * fault since buffer_size - 4 evaluates to a large number in that | |
553 | * case. | |
554 | */ | |
84b5dbf3 MCC |
555 | if (buffer_size < 4) { |
556 | *p_bytes_used = buffer_size; | |
557 | return 0; | |
558 | } | |
e0d3bafd | 559 | |
84b5dbf3 | 560 | for (i = 0; i < (buffer_size - 3); i++) { |
e0d3bafd | 561 | |
84b5dbf3 MCC |
562 | if ((p_buffer[i] == 0xFF) && |
563 | (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) { | |
e0d3bafd | 564 | |
84b5dbf3 MCC |
565 | *p_bytes_used = i + 4; |
566 | sav_eav = p_buffer[i + 3]; | |
567 | return sav_eav; | |
568 | } | |
569 | } | |
e0d3bafd | 570 | |
84b5dbf3 MCC |
571 | *p_bytes_used = buffer_size; |
572 | return 0; | |
573 | } | |
e0d3bafd | 574 | |
cde4362f MCC |
575 | u32 cx231xx_get_video_line(struct cx231xx *dev, |
576 | struct cx231xx_dmaqueue *dma_q, u8 sav_eav, | |
577 | u8 *p_buffer, u32 buffer_size) | |
84b5dbf3 MCC |
578 | { |
579 | u32 bytes_copied = 0; | |
580 | int current_field = -1; | |
581 | ||
582 | switch (sav_eav) { | |
583 | case SAV_ACTIVE_VIDEO_FIELD1: | |
cde4362f MCC |
584 | /* looking for skipped line which occurred in PAL 720x480 mode. |
585 | In this case, there will be no active data contained | |
586 | between the SAV and EAV */ | |
587 | if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && | |
588 | (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
589 | ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || | |
590 | (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
591 | (p_buffer[3] == EAV_VBLANK_FIELD1) || | |
592 | (p_buffer[3] == EAV_VBLANK_FIELD2))) | |
84b5dbf3 | 593 | return bytes_copied; |
84b5dbf3 MCC |
594 | current_field = 1; |
595 | break; | |
e0d3bafd | 596 | |
84b5dbf3 | 597 | case SAV_ACTIVE_VIDEO_FIELD2: |
cde4362f MCC |
598 | /* looking for skipped line which occurred in PAL 720x480 mode. |
599 | In this case, there will be no active data contained between | |
600 | the SAV and EAV */ | |
601 | if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && | |
602 | (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
603 | ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || | |
604 | (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
605 | (p_buffer[3] == EAV_VBLANK_FIELD1) || | |
606 | (p_buffer[3] == EAV_VBLANK_FIELD2))) | |
84b5dbf3 | 607 | return bytes_copied; |
84b5dbf3 MCC |
608 | current_field = 2; |
609 | break; | |
610 | } | |
e0d3bafd | 611 | |
84b5dbf3 | 612 | dma_q->last_sav = sav_eav; |
e0d3bafd | 613 | |
cde4362f MCC |
614 | bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer, |
615 | buffer_size, current_field); | |
84b5dbf3 MCC |
616 | |
617 | return bytes_copied; | |
e0d3bafd SD |
618 | } |
619 | ||
cde4362f MCC |
620 | u32 cx231xx_copy_video_line(struct cx231xx *dev, |
621 | struct cx231xx_dmaqueue *dma_q, u8 *p_line, | |
84b5dbf3 | 622 | u32 length, int field_number) |
e0d3bafd | 623 | { |
84b5dbf3 MCC |
624 | u32 bytes_to_copy; |
625 | struct cx231xx_buffer *buf; | |
626 | u32 _line_size = dev->width * 2; | |
e0d3bafd | 627 | |
cde4362f | 628 | if (dma_q->current_field != field_number) |
84b5dbf3 | 629 | cx231xx_reset_video_buffer(dev, dma_q); |
e0d3bafd | 630 | |
84b5dbf3 | 631 | /* get the buffer pointer */ |
64fbf444 PB |
632 | if (dev->USE_ISO) |
633 | buf = dev->video_mode.isoc_ctl.buf; | |
634 | else | |
635 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 636 | |
84b5dbf3 MCC |
637 | /* Remember the field number for next time */ |
638 | dma_q->current_field = field_number; | |
e0d3bafd | 639 | |
84b5dbf3 MCC |
640 | bytes_to_copy = dma_q->bytes_left_in_line; |
641 | if (bytes_to_copy > length) | |
642 | bytes_to_copy = length; | |
e0d3bafd | 643 | |
84b5dbf3 MCC |
644 | if (dma_q->lines_completed >= dma_q->lines_per_field) { |
645 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
cde4362f MCC |
646 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ? |
647 | 0 : 1; | |
84b5dbf3 MCC |
648 | return 0; |
649 | } | |
e0d3bafd | 650 | |
84b5dbf3 | 651 | dma_q->is_partial_line = 1; |
e0d3bafd | 652 | |
84b5dbf3 MCC |
653 | /* If we don't have a buffer, just return the number of bytes we would |
654 | have copied if we had a buffer. */ | |
655 | if (!buf) { | |
656 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
cde4362f MCC |
657 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) |
658 | ? 0 : 1; | |
84b5dbf3 MCC |
659 | return bytes_to_copy; |
660 | } | |
e0d3bafd | 661 | |
84b5dbf3 MCC |
662 | /* copy the data to video buffer */ |
663 | cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy); | |
e0d3bafd | 664 | |
84b5dbf3 MCC |
665 | dma_q->pos += bytes_to_copy; |
666 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
e0d3bafd | 667 | |
84b5dbf3 | 668 | if (dma_q->bytes_left_in_line == 0) { |
84b5dbf3 MCC |
669 | dma_q->bytes_left_in_line = _line_size; |
670 | dma_q->lines_completed++; | |
671 | dma_q->is_partial_line = 0; | |
e0d3bafd | 672 | |
84b5dbf3 | 673 | if (cx231xx_is_buffer_done(dev, dma_q) && buf) { |
84b5dbf3 | 674 | buffer_filled(dev, dma_q, buf); |
e0d3bafd | 675 | |
84b5dbf3 MCC |
676 | dma_q->pos = 0; |
677 | buf = NULL; | |
678 | dma_q->lines_completed = 0; | |
679 | } | |
680 | } | |
e0d3bafd | 681 | |
84b5dbf3 | 682 | return bytes_to_copy; |
e0d3bafd SD |
683 | } |
684 | ||
84b5dbf3 MCC |
685 | void cx231xx_reset_video_buffer(struct cx231xx *dev, |
686 | struct cx231xx_dmaqueue *dma_q) | |
e0d3bafd | 687 | { |
84b5dbf3 | 688 | struct cx231xx_buffer *buf; |
e0d3bafd | 689 | |
84b5dbf3 MCC |
690 | /* handle the switch from field 1 to field 2 */ |
691 | if (dma_q->current_field == 1) { | |
cde4362f | 692 | if (dma_q->lines_completed >= dma_q->lines_per_field) |
84b5dbf3 | 693 | dma_q->field1_done = 1; |
cde4362f | 694 | else |
84b5dbf3 | 695 | dma_q->field1_done = 0; |
84b5dbf3 | 696 | } |
e0d3bafd | 697 | |
64fbf444 PB |
698 | if (dev->USE_ISO) |
699 | buf = dev->video_mode.isoc_ctl.buf; | |
700 | else | |
701 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 702 | |
84b5dbf3 MCC |
703 | if (buf == NULL) { |
704 | u8 *outp = NULL; | |
705 | /* first try to get the buffer */ | |
706 | get_next_buf(dma_q, &buf); | |
e0d3bafd | 707 | |
84b5dbf3 MCC |
708 | if (buf) |
709 | outp = videobuf_to_vmalloc(&buf->vb); | |
e0d3bafd | 710 | |
84b5dbf3 MCC |
711 | dma_q->pos = 0; |
712 | dma_q->field1_done = 0; | |
713 | dma_q->current_field = -1; | |
714 | } | |
e0d3bafd | 715 | |
84b5dbf3 MCC |
716 | /* reset the counters */ |
717 | dma_q->bytes_left_in_line = dev->width << 1; | |
718 | dma_q->lines_completed = 0; | |
e0d3bafd SD |
719 | } |
720 | ||
721 | int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | |
cde4362f | 722 | u8 *p_buffer, u32 bytes_to_copy) |
e0d3bafd | 723 | { |
84b5dbf3 MCC |
724 | u8 *p_out_buffer = NULL; |
725 | u32 current_line_bytes_copied = 0; | |
726 | struct cx231xx_buffer *buf; | |
727 | u32 _line_size = dev->width << 1; | |
728 | void *startwrite; | |
729 | int offset, lencopy; | |
e0d3bafd | 730 | |
64fbf444 PB |
731 | if (dev->USE_ISO) |
732 | buf = dev->video_mode.isoc_ctl.buf; | |
733 | else | |
734 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 735 | |
84b5dbf3 MCC |
736 | if (buf == NULL) |
737 | return -1; | |
e0d3bafd SD |
738 | |
739 | p_out_buffer = videobuf_to_vmalloc(&buf->vb); | |
740 | ||
84b5dbf3 | 741 | current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line; |
e0d3bafd | 742 | |
84b5dbf3 MCC |
743 | /* Offset field 2 one line from the top of the buffer */ |
744 | offset = (dma_q->current_field == 1) ? 0 : _line_size; | |
e0d3bafd | 745 | |
84b5dbf3 MCC |
746 | /* Offset for field 2 */ |
747 | startwrite = p_out_buffer + offset; | |
e0d3bafd | 748 | |
84b5dbf3 MCC |
749 | /* lines already completed in the current field */ |
750 | startwrite += (dma_q->lines_completed * _line_size * 2); | |
e0d3bafd | 751 | |
84b5dbf3 MCC |
752 | /* bytes already completed in the current line */ |
753 | startwrite += current_line_bytes_copied; | |
e0d3bafd | 754 | |
cde4362f MCC |
755 | lencopy = dma_q->bytes_left_in_line > bytes_to_copy ? |
756 | bytes_to_copy : dma_q->bytes_left_in_line; | |
e0d3bafd | 757 | |
cde4362f | 758 | if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size)) |
84b5dbf3 | 759 | return 0; |
e0d3bafd | 760 | |
84b5dbf3 MCC |
761 | /* The below copies the UYVY data straight into video buffer */ |
762 | cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy); | |
e0d3bafd | 763 | |
84b5dbf3 | 764 | return 0; |
e0d3bafd SD |
765 | } |
766 | ||
cde4362f | 767 | void cx231xx_swab(u16 *from, u16 *to, u16 len) |
e0d3bafd | 768 | { |
84b5dbf3 | 769 | u16 i; |
e0d3bafd | 770 | |
84b5dbf3 MCC |
771 | if (len <= 0) |
772 | return; | |
e0d3bafd | 773 | |
cde4362f | 774 | for (i = 0; i < len / 2; i++) |
84b5dbf3 | 775 | to[i] = (from[i] << 8) | (from[i] >> 8); |
e0d3bafd SD |
776 | } |
777 | ||
84b5dbf3 | 778 | u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q) |
e0d3bafd | 779 | { |
84b5dbf3 | 780 | u8 buffer_complete = 0; |
e0d3bafd | 781 | |
84b5dbf3 | 782 | /* Dual field stream */ |
cde4362f MCC |
783 | buffer_complete = ((dma_q->current_field == 2) && |
784 | (dma_q->lines_completed >= dma_q->lines_per_field) && | |
785 | dma_q->field1_done); | |
e0d3bafd | 786 | |
84b5dbf3 | 787 | return buffer_complete; |
e0d3bafd SD |
788 | } |
789 | ||
e0d3bafd SD |
790 | /* ------------------------------------------------------------------ |
791 | Videobuf operations | |
792 | ------------------------------------------------------------------*/ | |
793 | ||
794 | static int | |
795 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
796 | { | |
797 | struct cx231xx_fh *fh = vq->priv_data; | |
84b5dbf3 | 798 | struct cx231xx *dev = fh->dev; |
e0d3bafd | 799 | |
cde4362f | 800 | *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3; |
e0d3bafd SD |
801 | if (0 == *count) |
802 | *count = CX231XX_DEF_BUF; | |
803 | ||
804 | if (*count < CX231XX_MIN_BUF) | |
805 | *count = CX231XX_MIN_BUF; | |
806 | ||
e0d3bafd SD |
807 | return 0; |
808 | } | |
809 | ||
810 | /* This is called *without* dev->slock held; please keep it that way */ | |
811 | static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf) | |
812 | { | |
84b5dbf3 MCC |
813 | struct cx231xx_fh *fh = vq->priv_data; |
814 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 815 | unsigned long flags = 0; |
cde4362f | 816 | |
e0d3bafd SD |
817 | if (in_interrupt()) |
818 | BUG(); | |
819 | ||
820 | /* We used to wait for the buffer to finish here, but this didn't work | |
821 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
822 | videobuf_queue_cancel marked it as finished for us. | |
823 | (Also, it could wedge forever if the hardware was misconfigured.) | |
824 | ||
825 | This should be safe; by the time we get here, the buffer isn't | |
826 | queued anymore. If we ever start marking the buffers as | |
827 | VIDEOBUF_ACTIVE, it won't be, though. | |
84b5dbf3 | 828 | */ |
e0d3bafd | 829 | spin_lock_irqsave(&dev->video_mode.slock, flags); |
64fbf444 PB |
830 | if (dev->USE_ISO) { |
831 | if (dev->video_mode.isoc_ctl.buf == buf) | |
832 | dev->video_mode.isoc_ctl.buf = NULL; | |
833 | } else { | |
834 | if (dev->video_mode.bulk_ctl.buf == buf) | |
835 | dev->video_mode.bulk_ctl.buf = NULL; | |
836 | } | |
e0d3bafd SD |
837 | spin_unlock_irqrestore(&dev->video_mode.slock, flags); |
838 | ||
839 | videobuf_vmalloc_free(&buf->vb); | |
840 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
841 | } | |
842 | ||
843 | static int | |
844 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
84b5dbf3 | 845 | enum v4l2_field field) |
e0d3bafd | 846 | { |
84b5dbf3 MCC |
847 | struct cx231xx_fh *fh = vq->priv_data; |
848 | struct cx231xx_buffer *buf = | |
849 | container_of(vb, struct cx231xx_buffer, vb); | |
850 | struct cx231xx *dev = fh->dev; | |
851 | int rc = 0, urb_init = 0; | |
e0d3bafd SD |
852 | |
853 | /* The only currently supported format is 16 bits/pixel */ | |
cde4362f MCC |
854 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth |
855 | + 7) >> 3; | |
84b5dbf3 | 856 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
e0d3bafd SD |
857 | return -EINVAL; |
858 | ||
84b5dbf3 | 859 | buf->vb.width = dev->width; |
e0d3bafd | 860 | buf->vb.height = dev->height; |
84b5dbf3 | 861 | buf->vb.field = field; |
e0d3bafd SD |
862 | |
863 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
864 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
865 | if (rc < 0) | |
866 | goto fail; | |
867 | } | |
868 | ||
64fbf444 PB |
869 | if (dev->USE_ISO) { |
870 | if (!dev->video_mode.isoc_ctl.num_bufs) | |
871 | urb_init = 1; | |
872 | } else { | |
873 | if (!dev->video_mode.bulk_ctl.num_bufs) | |
874 | urb_init = 1; | |
875 | } | |
876 | /*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n", | |
877 | urb_init, dev->video_mode.max_pkt_size);*/ | |
e0d3bafd | 878 | if (urb_init) { |
64fbf444 PB |
879 | dev->mode_tv = 0; |
880 | if (dev->USE_ISO) | |
881 | rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, | |
84b5dbf3 MCC |
882 | CX231XX_NUM_BUFS, |
883 | dev->video_mode.max_pkt_size, | |
884 | cx231xx_isoc_copy); | |
64fbf444 PB |
885 | else |
886 | rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS, | |
887 | CX231XX_NUM_BUFS, | |
888 | dev->video_mode.max_pkt_size, | |
889 | cx231xx_bulk_copy); | |
e0d3bafd SD |
890 | if (rc < 0) |
891 | goto fail; | |
892 | } | |
893 | ||
894 | buf->vb.state = VIDEOBUF_PREPARED; | |
895 | return 0; | |
896 | ||
cde4362f | 897 | fail: |
e0d3bafd SD |
898 | free_buffer(vq, buf); |
899 | return rc; | |
900 | } | |
901 | ||
84b5dbf3 | 902 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
e0d3bafd | 903 | { |
84b5dbf3 MCC |
904 | struct cx231xx_buffer *buf = |
905 | container_of(vb, struct cx231xx_buffer, vb); | |
906 | struct cx231xx_fh *fh = vq->priv_data; | |
907 | struct cx231xx *dev = fh->dev; | |
908 | struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; | |
e0d3bafd SD |
909 | |
910 | buf->vb.state = VIDEOBUF_QUEUED; | |
911 | list_add_tail(&buf->vb.queue, &vidq->active); | |
912 | ||
913 | } | |
914 | ||
915 | static void buffer_release(struct videobuf_queue *vq, | |
84b5dbf3 | 916 | struct videobuf_buffer *vb) |
e0d3bafd | 917 | { |
84b5dbf3 MCC |
918 | struct cx231xx_buffer *buf = |
919 | container_of(vb, struct cx231xx_buffer, vb); | |
920 | struct cx231xx_fh *fh = vq->priv_data; | |
921 | struct cx231xx *dev = (struct cx231xx *)fh->dev; | |
e0d3bafd SD |
922 | |
923 | cx231xx_isocdbg("cx231xx: called buffer_release\n"); | |
924 | ||
925 | free_buffer(vq, buf); | |
926 | } | |
927 | ||
928 | static struct videobuf_queue_ops cx231xx_video_qops = { | |
84b5dbf3 MCC |
929 | .buf_setup = buffer_setup, |
930 | .buf_prepare = buffer_prepare, | |
931 | .buf_queue = buffer_queue, | |
932 | .buf_release = buffer_release, | |
e0d3bafd SD |
933 | }; |
934 | ||
935 | /********************* v4l2 interface **************************************/ | |
936 | ||
e0d3bafd SD |
937 | void video_mux(struct cx231xx *dev, int index) |
938 | { | |
e0d3bafd SD |
939 | dev->video_input = index; |
940 | dev->ctl_ainput = INPUT(index)->amux; | |
941 | ||
84b5dbf3 | 942 | cx231xx_set_video_input_mux(dev, index); |
e0d3bafd | 943 | |
5325b427 | 944 | cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0); |
e0d3bafd | 945 | |
84b5dbf3 | 946 | cx231xx_set_audio_input(dev, dev->ctl_ainput); |
e0d3bafd | 947 | |
84b5dbf3 | 948 | cx231xx_info("video_mux : %d\n", index); |
e0d3bafd | 949 | |
84b5dbf3 MCC |
950 | /* do mode control overrides if required */ |
951 | cx231xx_do_mode_ctrl_overrides(dev); | |
e0d3bafd SD |
952 | } |
953 | ||
954 | /* Usage lock check functions */ | |
955 | static int res_get(struct cx231xx_fh *fh) | |
956 | { | |
84b5dbf3 MCC |
957 | struct cx231xx *dev = fh->dev; |
958 | int rc = 0; | |
e0d3bafd SD |
959 | |
960 | /* This instance already has stream_on */ | |
961 | if (fh->stream_on) | |
962 | return rc; | |
963 | ||
84b5dbf3 MCC |
964 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
965 | if (dev->stream_on) | |
966 | return -EBUSY; | |
967 | dev->stream_on = 1; | |
968 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
969 | if (dev->vbi_stream_on) | |
970 | return -EBUSY; | |
971 | dev->vbi_stream_on = 1; | |
972 | } else | |
973 | return -EINVAL; | |
e0d3bafd | 974 | |
84b5dbf3 | 975 | fh->stream_on = 1; |
e0d3bafd SD |
976 | |
977 | return rc; | |
978 | } | |
979 | ||
980 | static int res_check(struct cx231xx_fh *fh) | |
981 | { | |
cde4362f | 982 | return fh->stream_on; |
e0d3bafd SD |
983 | } |
984 | ||
985 | static void res_free(struct cx231xx_fh *fh) | |
986 | { | |
84b5dbf3 | 987 | struct cx231xx *dev = fh->dev; |
e0d3bafd SD |
988 | |
989 | fh->stream_on = 0; | |
990 | ||
84b5dbf3 MCC |
991 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
992 | dev->stream_on = 0; | |
993 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
994 | dev->vbi_stream_on = 0; | |
e0d3bafd SD |
995 | } |
996 | ||
997 | static int check_dev(struct cx231xx *dev) | |
998 | { | |
999 | if (dev->state & DEV_DISCONNECTED) { | |
1000 | cx231xx_errdev("v4l2 ioctl: device not present\n"); | |
1001 | return -ENODEV; | |
1002 | } | |
1003 | ||
1004 | if (dev->state & DEV_MISCONFIGURED) { | |
1005 | cx231xx_errdev("v4l2 ioctl: device is misconfigured; " | |
84b5dbf3 | 1006 | "close and open it again\n"); |
e0d3bafd SD |
1007 | return -EIO; |
1008 | } | |
1009 | return 0; | |
1010 | } | |
1011 | ||
e0d3bafd SD |
1012 | /* ------------------------------------------------------------------ |
1013 | IOCTL vidioc handling | |
1014 | ------------------------------------------------------------------*/ | |
1015 | ||
1016 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 1017 | struct v4l2_format *f) |
e0d3bafd | 1018 | { |
84b5dbf3 MCC |
1019 | struct cx231xx_fh *fh = priv; |
1020 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1021 | |
e0d3bafd SD |
1022 | f->fmt.pix.width = dev->width; |
1023 | f->fmt.pix.height = dev->height; | |
1ebcad77 JP |
1024 | f->fmt.pix.pixelformat = dev->format->fourcc; |
1025 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; | |
84b5dbf3 | 1026 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
e0d3bafd SD |
1027 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
1028 | ||
1029 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1030 | ||
e0d3bafd SD |
1031 | return 0; |
1032 | } | |
1033 | ||
1034 | static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc) | |
1035 | { | |
1036 | unsigned int i; | |
1037 | ||
1038 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
1039 | if (format[i].fourcc == fourcc) | |
1040 | return &format[i]; | |
1041 | ||
1042 | return NULL; | |
1043 | } | |
1044 | ||
1045 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 1046 | struct v4l2_format *f) |
e0d3bafd | 1047 | { |
84b5dbf3 MCC |
1048 | struct cx231xx_fh *fh = priv; |
1049 | struct cx231xx *dev = fh->dev; | |
9bd0e8d7 TP |
1050 | unsigned int width = f->fmt.pix.width; |
1051 | unsigned int height = f->fmt.pix.height; | |
84b5dbf3 MCC |
1052 | unsigned int maxw = norm_maxw(dev); |
1053 | unsigned int maxh = norm_maxh(dev); | |
84b5dbf3 | 1054 | struct cx231xx_fmt *fmt; |
e0d3bafd SD |
1055 | |
1056 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1057 | if (!fmt) { | |
1058 | cx231xx_videodbg("Fourcc format (%08x) invalid.\n", | |
84b5dbf3 | 1059 | f->fmt.pix.pixelformat); |
e0d3bafd SD |
1060 | return -EINVAL; |
1061 | } | |
1062 | ||
1063 | /* width must even because of the YUYV format | |
1064 | height must be even because of interlacing */ | |
9bd0e8d7 | 1065 | v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0); |
e0d3bafd | 1066 | |
e0d3bafd SD |
1067 | f->fmt.pix.width = width; |
1068 | f->fmt.pix.height = height; | |
1069 | f->fmt.pix.pixelformat = fmt->fourcc; | |
1070 | f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; | |
1071 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; | |
1072 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1073 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 1079 | struct v4l2_format *f) |
e0d3bafd | 1080 | { |
84b5dbf3 MCC |
1081 | struct cx231xx_fh *fh = priv; |
1082 | struct cx231xx *dev = fh->dev; | |
1083 | int rc; | |
1084 | struct cx231xx_fmt *fmt; | |
112cb4a8 | 1085 | struct v4l2_mbus_framefmt mbus_fmt; |
e0d3bafd SD |
1086 | |
1087 | rc = check_dev(dev); | |
1088 | if (rc < 0) | |
1089 | return rc; | |
1090 | ||
84b5dbf3 | 1091 | vidioc_try_fmt_vid_cap(file, priv, f); |
e0d3bafd | 1092 | |
84b5dbf3 | 1093 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
643800d5 MCC |
1094 | if (!fmt) |
1095 | return -EINVAL; | |
e0d3bafd SD |
1096 | |
1097 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
1098 | cx231xx_errdev("%s queue busy\n", __func__); | |
643800d5 | 1099 | return -EBUSY; |
e0d3bafd SD |
1100 | } |
1101 | ||
1102 | if (dev->stream_on && !fh->stream_on) { | |
1103 | cx231xx_errdev("%s device in use by another fh\n", __func__); | |
643800d5 | 1104 | return -EBUSY; |
e0d3bafd SD |
1105 | } |
1106 | ||
1107 | /* set new image size */ | |
1108 | dev->width = f->fmt.pix.width; | |
1109 | dev->height = f->fmt.pix.height; | |
84b5dbf3 | 1110 | dev->format = fmt; |
e0d3bafd | 1111 | |
112cb4a8 HV |
1112 | v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); |
1113 | call_all(dev, video, s_mbus_fmt, &mbus_fmt); | |
1114 | v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); | |
e0d3bafd | 1115 | |
e0d3bafd SD |
1116 | return rc; |
1117 | } | |
1118 | ||
64fbf444 | 1119 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) |
e0d3bafd | 1120 | { |
84b5dbf3 MCC |
1121 | struct cx231xx_fh *fh = priv; |
1122 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1123 | |
1124 | *id = dev->norm; | |
1125 | return 0; | |
1126 | } | |
1127 | ||
b1196126 | 1128 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) |
e0d3bafd | 1129 | { |
84b5dbf3 MCC |
1130 | struct cx231xx_fh *fh = priv; |
1131 | struct cx231xx *dev = fh->dev; | |
435b4f78 | 1132 | struct v4l2_mbus_framefmt mbus_fmt; |
e0d3bafd | 1133 | struct v4l2_format f; |
84b5dbf3 | 1134 | int rc; |
e0d3bafd SD |
1135 | |
1136 | rc = check_dev(dev); | |
1137 | if (rc < 0) | |
1138 | return rc; | |
1139 | ||
84b5dbf3 | 1140 | cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm); |
e0d3bafd | 1141 | |
e0d3bafd SD |
1142 | dev->norm = *norm; |
1143 | ||
e0d3bafd SD |
1144 | /* Adjusts width/height, if needed */ |
1145 | f.fmt.pix.width = dev->width; | |
1146 | f.fmt.pix.height = dev->height; | |
1147 | vidioc_try_fmt_vid_cap(file, priv, &f); | |
1148 | ||
435b4f78 DH |
1149 | call_all(dev, core, s_std, dev->norm); |
1150 | ||
1151 | /* We need to reset basic properties in the decoder related to | |
1152 | resolution (since a standard change effects things like the number | |
1153 | of lines in VACT, etc) */ | |
1154 | v4l2_fill_mbus_format(&mbus_fmt, &f.fmt.pix, V4L2_MBUS_FMT_FIXED); | |
1155 | call_all(dev, video, s_mbus_fmt, &mbus_fmt); | |
1156 | v4l2_fill_pix_format(&f.fmt.pix, &mbus_fmt); | |
1157 | ||
e0d3bafd SD |
1158 | /* set new image size */ |
1159 | dev->width = f.fmt.pix.width; | |
1160 | dev->height = f.fmt.pix.height; | |
e0d3bafd | 1161 | |
84b5dbf3 MCC |
1162 | /* do mode control overrides */ |
1163 | cx231xx_do_mode_ctrl_overrides(dev); | |
e0d3bafd SD |
1164 | |
1165 | return 0; | |
1166 | } | |
1167 | ||
1168 | static const char *iname[] = { | |
1169 | [CX231XX_VMUX_COMPOSITE1] = "Composite1", | |
cde4362f | 1170 | [CX231XX_VMUX_SVIDEO] = "S-Video", |
e0d3bafd | 1171 | [CX231XX_VMUX_TELEVISION] = "Television", |
cde4362f MCC |
1172 | [CX231XX_VMUX_CABLE] = "Cable TV", |
1173 | [CX231XX_VMUX_DVB] = "DVB", | |
1174 | [CX231XX_VMUX_DEBUG] = "for debug only", | |
e0d3bafd SD |
1175 | }; |
1176 | ||
1177 | static int vidioc_enum_input(struct file *file, void *priv, | |
84b5dbf3 | 1178 | struct v4l2_input *i) |
e0d3bafd | 1179 | { |
84b5dbf3 MCC |
1180 | struct cx231xx_fh *fh = priv; |
1181 | struct cx231xx *dev = fh->dev; | |
de99d532 DH |
1182 | u32 gen_stat; |
1183 | unsigned int ret, n; | |
e0d3bafd SD |
1184 | |
1185 | n = i->index; | |
1186 | if (n >= MAX_CX231XX_INPUT) | |
1187 | return -EINVAL; | |
1188 | if (0 == INPUT(n)->type) | |
1189 | return -EINVAL; | |
1190 | ||
1191 | i->index = n; | |
1192 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1193 | ||
1194 | strcpy(i->name, iname[INPUT(n)->type]); | |
1195 | ||
1196 | if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) || | |
84b5dbf3 | 1197 | (CX231XX_VMUX_CABLE == INPUT(n)->type)) |
e0d3bafd SD |
1198 | i->type = V4L2_INPUT_TYPE_TUNER; |
1199 | ||
1200 | i->std = dev->vdev->tvnorms; | |
1201 | ||
de99d532 DH |
1202 | /* If they are asking about the active input, read signal status */ |
1203 | if (n == dev->video_input) { | |
1204 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1205 | GEN_STAT, 2, &gen_stat, 4); | |
1206 | if (ret > 0) { | |
1207 | if ((gen_stat & FLD_VPRES) == 0x00) | |
1208 | i->status |= V4L2_IN_ST_NO_SIGNAL; | |
1209 | if ((gen_stat & FLD_HLOCK) == 0x00) | |
1210 | i->status |= V4L2_IN_ST_NO_H_LOCK; | |
1211 | } | |
1212 | } | |
1213 | ||
e0d3bafd SD |
1214 | return 0; |
1215 | } | |
1216 | ||
1217 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1218 | { | |
84b5dbf3 MCC |
1219 | struct cx231xx_fh *fh = priv; |
1220 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1221 | |
1222 | *i = dev->video_input; | |
1223 | ||
1224 | return 0; | |
1225 | } | |
1226 | ||
1227 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1228 | { | |
84b5dbf3 MCC |
1229 | struct cx231xx_fh *fh = priv; |
1230 | struct cx231xx *dev = fh->dev; | |
1231 | int rc; | |
e0d3bafd | 1232 | |
64fbf444 | 1233 | dev->mode_tv = 0; |
e0d3bafd SD |
1234 | rc = check_dev(dev); |
1235 | if (rc < 0) | |
1236 | return rc; | |
1237 | ||
1238 | if (i >= MAX_CX231XX_INPUT) | |
1239 | return -EINVAL; | |
1240 | if (0 == INPUT(i)->type) | |
1241 | return -EINVAL; | |
1242 | ||
e0d3bafd SD |
1243 | video_mux(dev, i); |
1244 | ||
c09d6695 DH |
1245 | if (INPUT(i)->type == CX231XX_VMUX_TELEVISION || |
1246 | INPUT(i)->type == CX231XX_VMUX_CABLE) { | |
1247 | /* There's a tuner, so reset the standard and put it on the | |
1248 | last known frequency (since it was probably powered down | |
1249 | until now */ | |
1250 | call_all(dev, core, s_std, dev->norm); | |
1251 | } | |
1252 | ||
e0d3bafd SD |
1253 | return 0; |
1254 | } | |
1255 | ||
1256 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1257 | { | |
84b5dbf3 MCC |
1258 | struct cx231xx_fh *fh = priv; |
1259 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1260 | |
1261 | switch (a->index) { | |
1262 | case CX231XX_AMUX_VIDEO: | |
1263 | strcpy(a->name, "Television"); | |
1264 | break; | |
1265 | case CX231XX_AMUX_LINE_IN: | |
1266 | strcpy(a->name, "Line In"); | |
1267 | break; | |
1268 | default: | |
1269 | return -EINVAL; | |
1270 | } | |
1271 | ||
1272 | a->index = dev->ctl_ainput; | |
1273 | a->capability = V4L2_AUDCAP_STEREO; | |
1274 | ||
1275 | return 0; | |
1276 | } | |
1277 | ||
1278 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1279 | { | |
84b5dbf3 MCC |
1280 | struct cx231xx_fh *fh = priv; |
1281 | struct cx231xx *dev = fh->dev; | |
1282 | int status = 0; | |
e0d3bafd SD |
1283 | |
1284 | /* Doesn't allow manual routing */ | |
1285 | if (a->index != dev->ctl_ainput) | |
1286 | return -EINVAL; | |
1287 | ||
1288 | dev->ctl_ainput = INPUT(a->index)->amux; | |
84b5dbf3 | 1289 | status = cx231xx_set_audio_input(dev, dev->ctl_ainput); |
e0d3bafd SD |
1290 | |
1291 | return status; | |
1292 | } | |
1293 | ||
1294 | static int vidioc_queryctrl(struct file *file, void *priv, | |
84b5dbf3 | 1295 | struct v4l2_queryctrl *qc) |
e0d3bafd | 1296 | { |
84b5dbf3 MCC |
1297 | struct cx231xx_fh *fh = priv; |
1298 | struct cx231xx *dev = fh->dev; | |
1299 | int id = qc->id; | |
1300 | int i; | |
1301 | int rc; | |
e0d3bafd SD |
1302 | |
1303 | rc = check_dev(dev); | |
1304 | if (rc < 0) | |
1305 | return rc; | |
1306 | ||
84b5dbf3 | 1307 | qc->id = v4l2_ctrl_next(ctrl_classes, qc->id); |
e0d3bafd SD |
1308 | if (unlikely(qc->id == 0)) |
1309 | return -EINVAL; | |
1310 | ||
1311 | memset(qc, 0, sizeof(*qc)); | |
1312 | ||
1313 | qc->id = id; | |
1314 | ||
84b5dbf3 | 1315 | if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1) |
e0d3bafd SD |
1316 | return -EINVAL; |
1317 | ||
1318 | for (i = 0; i < CX231XX_CTLS; i++) | |
1319 | if (cx231xx_ctls[i].v.id == qc->id) | |
1320 | break; | |
1321 | ||
1322 | if (i == CX231XX_CTLS) { | |
1323 | *qc = no_ctl; | |
1324 | return 0; | |
1325 | } | |
1326 | *qc = cx231xx_ctls[i].v; | |
1327 | ||
b1196126 | 1328 | call_all(dev, core, queryctrl, qc); |
e0d3bafd SD |
1329 | |
1330 | if (qc->type) | |
1331 | return 0; | |
1332 | else | |
1333 | return -EINVAL; | |
1334 | } | |
1335 | ||
1336 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
84b5dbf3 | 1337 | struct v4l2_control *ctrl) |
e0d3bafd | 1338 | { |
84b5dbf3 MCC |
1339 | struct cx231xx_fh *fh = priv; |
1340 | struct cx231xx *dev = fh->dev; | |
1341 | int rc; | |
e0d3bafd SD |
1342 | |
1343 | rc = check_dev(dev); | |
1344 | if (rc < 0) | |
1345 | return rc; | |
1346 | ||
b1196126 | 1347 | call_all(dev, core, g_ctrl, ctrl); |
e0d3bafd SD |
1348 | return rc; |
1349 | } | |
1350 | ||
1351 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
84b5dbf3 | 1352 | struct v4l2_control *ctrl) |
e0d3bafd | 1353 | { |
84b5dbf3 MCC |
1354 | struct cx231xx_fh *fh = priv; |
1355 | struct cx231xx *dev = fh->dev; | |
1356 | int rc; | |
e0d3bafd SD |
1357 | |
1358 | rc = check_dev(dev); | |
1359 | if (rc < 0) | |
1360 | return rc; | |
1361 | ||
b1196126 | 1362 | call_all(dev, core, s_ctrl, ctrl); |
e0d3bafd SD |
1363 | return rc; |
1364 | } | |
1365 | ||
84b5dbf3 | 1366 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd | 1367 | { |
84b5dbf3 MCC |
1368 | struct cx231xx_fh *fh = priv; |
1369 | struct cx231xx *dev = fh->dev; | |
1370 | int rc; | |
e0d3bafd SD |
1371 | |
1372 | rc = check_dev(dev); | |
1373 | if (rc < 0) | |
1374 | return rc; | |
1375 | ||
1376 | if (0 != t->index) | |
1377 | return -EINVAL; | |
1378 | ||
1379 | strcpy(t->name, "Tuner"); | |
1380 | ||
84b5dbf3 | 1381 | t->type = V4L2_TUNER_ANALOG_TV; |
e0d3bafd | 1382 | t->capability = V4L2_TUNER_CAP_NORM; |
84b5dbf3 MCC |
1383 | t->rangehigh = 0xffffffffUL; |
1384 | t->signal = 0xffff; /* LOCKED */ | |
e0d3bafd SD |
1385 | |
1386 | return 0; | |
1387 | } | |
1388 | ||
84b5dbf3 | 1389 | static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd | 1390 | { |
84b5dbf3 MCC |
1391 | struct cx231xx_fh *fh = priv; |
1392 | struct cx231xx *dev = fh->dev; | |
1393 | int rc; | |
e0d3bafd SD |
1394 | |
1395 | rc = check_dev(dev); | |
1396 | if (rc < 0) | |
1397 | return rc; | |
1398 | ||
1399 | if (0 != t->index) | |
1400 | return -EINVAL; | |
1401 | #if 0 | |
b1196126 | 1402 | call_all(dev, tuner, s_tuner, t); |
e0d3bafd SD |
1403 | #endif |
1404 | return 0; | |
1405 | } | |
1406 | ||
1407 | static int vidioc_g_frequency(struct file *file, void *priv, | |
84b5dbf3 | 1408 | struct v4l2_frequency *f) |
e0d3bafd | 1409 | { |
84b5dbf3 MCC |
1410 | struct cx231xx_fh *fh = priv; |
1411 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1412 | |
e0d3bafd SD |
1413 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
1414 | f->frequency = dev->ctl_freq; | |
1415 | ||
b1196126 | 1416 | call_all(dev, tuner, g_frequency, f); |
e0d3bafd | 1417 | |
e0d3bafd SD |
1418 | return 0; |
1419 | } | |
1420 | ||
1421 | static int vidioc_s_frequency(struct file *file, void *priv, | |
84b5dbf3 | 1422 | struct v4l2_frequency *f) |
e0d3bafd | 1423 | { |
84b5dbf3 MCC |
1424 | struct cx231xx_fh *fh = priv; |
1425 | struct cx231xx *dev = fh->dev; | |
1426 | int rc; | |
64fbf444 PB |
1427 | u32 if_frequency = 5400000; |
1428 | ||
1429 | cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n", | |
1430 | f->frequency, f->type); | |
1431 | /*cx231xx_info("f->type: 1-radio 2-analogTV 3-digitalTV\n");*/ | |
e0d3bafd SD |
1432 | |
1433 | rc = check_dev(dev); | |
1434 | if (rc < 0) | |
1435 | return rc; | |
1436 | ||
1437 | if (0 != f->tuner) | |
1438 | return -EINVAL; | |
1439 | ||
1440 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) | |
1441 | return -EINVAL; | |
1442 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
1443 | return -EINVAL; | |
1444 | ||
84b5dbf3 MCC |
1445 | /* set pre channel change settings in DIF first */ |
1446 | rc = cx231xx_tuner_pre_channel_change(dev); | |
e0d3bafd | 1447 | |
e0d3bafd | 1448 | dev->ctl_freq = f->frequency; |
64fbf444 | 1449 | call_all(dev, tuner, s_frequency, f); |
e0d3bafd | 1450 | |
84b5dbf3 MCC |
1451 | /* set post channel change settings in DIF first */ |
1452 | rc = cx231xx_tuner_post_channel_change(dev); | |
e0d3bafd | 1453 | |
64fbf444 PB |
1454 | if (dev->tuner_type == TUNER_NXP_TDA18271) { |
1455 | if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443)) | |
1456 | if_frequency = 5400000; /*5.4MHz */ | |
1457 | else if (dev->norm & V4L2_STD_B) | |
1458 | if_frequency = 6000000; /*6.0MHz */ | |
1459 | else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK)) | |
1460 | if_frequency = 6900000; /*6.9MHz */ | |
1461 | else if (dev->norm & V4L2_STD_GH) | |
1462 | if_frequency = 7100000; /*7.1MHz */ | |
1463 | else if (dev->norm & V4L2_STD_PAL_I) | |
1464 | if_frequency = 7250000; /*7.25MHz */ | |
1465 | else if (dev->norm & V4L2_STD_SECAM_L) | |
1466 | if_frequency = 6900000; /*6.9MHz */ | |
1467 | else if (dev->norm & V4L2_STD_SECAM_LC) | |
1468 | if_frequency = 1250000; /*1.25MHz */ | |
1469 | ||
1470 | cx231xx_info("if_frequency is set to %d\n", if_frequency); | |
1471 | cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1); | |
1472 | ||
1473 | update_HH_register_after_set_DIF(dev); | |
1474 | } | |
1475 | ||
84b5dbf3 | 1476 | cx231xx_info("Set New FREQUENCY to %d\n", f->frequency); |
e0d3bafd SD |
1477 | |
1478 | return rc; | |
1479 | } | |
1480 | ||
1481 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1482 | ||
e0d3bafd | 1483 | /* |
b9255176 SD |
1484 | -R, --list-registers=type=<host/i2cdrv/i2caddr>, |
1485 | chip=<chip>[,min=<addr>,max=<addr>] | |
84b5dbf3 | 1486 | dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER] |
b9255176 SD |
1487 | -r, --set-register=type=<host/i2cdrv/i2caddr>, |
1488 | chip=<chip>,reg=<addr>,val=<val> | |
84b5dbf3 | 1489 | set the register [VIDIOC_DBG_S_REGISTER] |
e0d3bafd SD |
1490 | |
1491 | if type == host, then <chip> is the hosts chip ID (default 0) | |
1492 | if type == i2cdrv (default), then <chip> is the I2C driver name or ID | |
1493 | if type == i2caddr, then <chip> is the 7-bit I2C address | |
1494 | */ | |
1495 | ||
e0d3bafd SD |
1496 | static int vidioc_g_register(struct file *file, void *priv, |
1497 | struct v4l2_dbg_register *reg) | |
1498 | { | |
84b5dbf3 MCC |
1499 | struct cx231xx_fh *fh = priv; |
1500 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1501 | int ret = 0; |
84b5dbf3 MCC |
1502 | u8 value[4] = { 0, 0, 0, 0 }; |
1503 | u32 data = 0; | |
1504 | ||
1505 | switch (reg->match.type) { | |
1506 | case V4L2_CHIP_MATCH_HOST: | |
1507 | switch (reg->match.addr) { | |
1508 | case 0: /* Cx231xx - internal registers */ | |
cde4362f MCC |
1509 | ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, |
1510 | (u16)reg->reg, value, 4); | |
1511 | reg->val = value[0] | value[1] << 8 | | |
1512 | value[2] << 16 | value[3] << 24; | |
84b5dbf3 | 1513 | break; |
ecc67d10 SD |
1514 | case 1: /* AFE - read byte */ |
1515 | ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
cde4362f | 1516 | (u16)reg->reg, 2, &data, 1); |
84b5dbf3 MCC |
1517 | reg->val = le32_to_cpu(data & 0xff); |
1518 | break; | |
ecc67d10 SD |
1519 | case 14: /* AFE - read dword */ |
1520 | ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
cde4362f | 1521 | (u16)reg->reg, 2, &data, 4); |
84b5dbf3 MCC |
1522 | reg->val = le32_to_cpu(data); |
1523 | break; | |
ecc67d10 SD |
1524 | case 2: /* Video Block - read byte */ |
1525 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
cde4362f | 1526 | (u16)reg->reg, 2, &data, 1); |
84b5dbf3 MCC |
1527 | reg->val = le32_to_cpu(data & 0xff); |
1528 | break; | |
ecc67d10 SD |
1529 | case 24: /* Video Block - read dword */ |
1530 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
cde4362f | 1531 | (u16)reg->reg, 2, &data, 4); |
84b5dbf3 MCC |
1532 | reg->val = le32_to_cpu(data); |
1533 | break; | |
ecc67d10 | 1534 | case 3: /* I2S block - read byte */ |
cde4362f | 1535 | ret = cx231xx_read_i2c_data(dev, |
ecc67d10 | 1536 | I2S_BLK_DEVICE_ADDRESS, |
cde4362f MCC |
1537 | (u16)reg->reg, 1, |
1538 | &data, 1); | |
84b5dbf3 MCC |
1539 | reg->val = le32_to_cpu(data & 0xff); |
1540 | break; | |
ecc67d10 | 1541 | case 34: /* I2S Block - read dword */ |
84b5dbf3 | 1542 | ret = |
ecc67d10 | 1543 | cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, |
cde4362f | 1544 | (u16)reg->reg, 1, &data, 4); |
84b5dbf3 MCC |
1545 | reg->val = le32_to_cpu(data); |
1546 | break; | |
1547 | } | |
1548 | return ret < 0 ? ret : 0; | |
e0d3bafd | 1549 | |
84b5dbf3 | 1550 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
b1196126 | 1551 | call_all(dev, core, g_register, reg); |
84b5dbf3 | 1552 | return 0; |
64fbf444 PB |
1553 | case V4L2_CHIP_MATCH_I2C_ADDR:/*for register debug*/ |
1554 | switch (reg->match.addr) { | |
1555 | case 0: /* Cx231xx - internal registers */ | |
1556 | ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, | |
1557 | (u16)reg->reg, value, 4); | |
1558 | reg->val = value[0] | value[1] << 8 | | |
1559 | value[2] << 16 | value[3] << 24; | |
1560 | ||
1561 | break; | |
1562 | case 0x600:/* AFE - read byte */ | |
1563 | ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS, | |
1564 | (u16)reg->reg, 2, | |
1565 | &data, 1 , 0); | |
1566 | reg->val = le32_to_cpu(data & 0xff); | |
1567 | break; | |
1568 | ||
1569 | case 0x880:/* Video Block - read byte */ | |
1570 | if (reg->reg < 0x0b) { | |
1571 | ret = cx231xx_read_i2c_master(dev, | |
1572 | VID_BLK_I2C_ADDRESS, | |
1573 | (u16)reg->reg, 2, | |
1574 | &data, 1 , 0); | |
1575 | reg->val = le32_to_cpu(data & 0xff); | |
1576 | } else { | |
1577 | ret = cx231xx_read_i2c_master(dev, | |
1578 | VID_BLK_I2C_ADDRESS, | |
1579 | (u16)reg->reg, 2, | |
1580 | &data, 4 , 0); | |
1581 | reg->val = le32_to_cpu(data); | |
1582 | } | |
1583 | break; | |
1584 | case 0x980: | |
1585 | ret = cx231xx_read_i2c_master(dev, | |
1586 | I2S_BLK_DEVICE_ADDRESS, | |
1587 | (u16)reg->reg, 1, | |
1588 | &data, 1 , 0); | |
1589 | reg->val = le32_to_cpu(data & 0xff); | |
1590 | break; | |
1591 | case 0x400: | |
1592 | ret = | |
1593 | cx231xx_read_i2c_master(dev, 0x40, | |
1594 | (u16)reg->reg, 1, | |
1595 | &data, 1 , 0); | |
1596 | reg->val = le32_to_cpu(data & 0xff); | |
1597 | break; | |
1598 | case 0xc01: | |
1599 | ret = | |
1600 | cx231xx_read_i2c_master(dev, 0xc0, | |
1601 | (u16)reg->reg, 2, | |
1602 | &data, 38, 1); | |
1603 | reg->val = le32_to_cpu(data); | |
1604 | break; | |
1605 | case 0x022: | |
1606 | ret = | |
1607 | cx231xx_read_i2c_master(dev, 0x02, | |
1608 | (u16)reg->reg, 1, | |
1609 | &data, 1, 2); | |
1610 | reg->val = le32_to_cpu(data & 0xff); | |
1611 | break; | |
1612 | case 0x322: | |
1613 | ret = cx231xx_read_i2c_master(dev, | |
1614 | 0x32, | |
1615 | (u16)reg->reg, 1, | |
1616 | &data, 4 , 2); | |
1617 | reg->val = le32_to_cpu(data); | |
1618 | break; | |
1619 | case 0x342: | |
1620 | ret = cx231xx_read_i2c_master(dev, | |
1621 | 0x34, | |
1622 | (u16)reg->reg, 1, | |
1623 | &data, 4 , 2); | |
1624 | reg->val = le32_to_cpu(data); | |
1625 | break; | |
1626 | ||
1627 | default: | |
1628 | cx231xx_info("no match device address!!\n"); | |
1629 | break; | |
1630 | } | |
1631 | return ret < 0 ? ret : 0; | |
1632 | /*return -EINVAL;*/ | |
84b5dbf3 MCC |
1633 | default: |
1634 | if (!v4l2_chip_match_host(®->match)) | |
1635 | return -EINVAL; | |
1636 | } | |
e0d3bafd | 1637 | |
b1196126 | 1638 | call_all(dev, core, g_register, reg); |
e0d3bafd SD |
1639 | |
1640 | return ret; | |
1641 | } | |
1642 | ||
1643 | static int vidioc_s_register(struct file *file, void *priv, | |
1644 | struct v4l2_dbg_register *reg) | |
1645 | { | |
84b5dbf3 MCC |
1646 | struct cx231xx_fh *fh = priv; |
1647 | struct cx231xx *dev = fh->dev; | |
1648 | int ret = 0; | |
e0d3bafd | 1649 | __le64 buf; |
84b5dbf3 MCC |
1650 | u32 value; |
1651 | u8 data[4] = { 0, 0, 0, 0 }; | |
e0d3bafd SD |
1652 | |
1653 | buf = cpu_to_le64(reg->val); | |
1654 | ||
84b5dbf3 MCC |
1655 | switch (reg->match.type) { |
1656 | case V4L2_CHIP_MATCH_HOST: | |
1657 | { | |
1658 | value = (u32) buf & 0xffffffff; | |
1659 | ||
1660 | switch (reg->match.addr) { | |
1661 | case 0: /* cx231xx internal registers */ | |
1662 | data[0] = (u8) value; | |
1663 | data[1] = (u8) (value >> 8); | |
1664 | data[2] = (u8) (value >> 16); | |
1665 | data[3] = (u8) (value >> 24); | |
cde4362f | 1666 | ret = cx231xx_write_ctrl_reg(dev, |
84b5dbf3 | 1667 | VRT_SET_REGISTER, |
cde4362f | 1668 | (u16)reg->reg, data, |
84b5dbf3 MCC |
1669 | 4); |
1670 | break; | |
ecc67d10 | 1671 | case 1: /* AFE - read byte */ |
cde4362f | 1672 | ret = cx231xx_write_i2c_data(dev, |
ecc67d10 | 1673 | AFE_DEVICE_ADDRESS, |
cde4362f MCC |
1674 | (u16)reg->reg, 2, |
1675 | value, 1); | |
84b5dbf3 | 1676 | break; |
ecc67d10 | 1677 | case 14: /* AFE - read dword */ |
cde4362f | 1678 | ret = cx231xx_write_i2c_data(dev, |
ecc67d10 | 1679 | AFE_DEVICE_ADDRESS, |
cde4362f MCC |
1680 | (u16)reg->reg, 2, |
1681 | value, 4); | |
84b5dbf3 | 1682 | break; |
ecc67d10 | 1683 | case 2: /* Video Block - read byte */ |
84b5dbf3 MCC |
1684 | ret = |
1685 | cx231xx_write_i2c_data(dev, | |
ecc67d10 | 1686 | VID_BLK_I2C_ADDRESS, |
cde4362f MCC |
1687 | (u16)reg->reg, 2, |
1688 | value, 1); | |
84b5dbf3 | 1689 | break; |
ecc67d10 | 1690 | case 24: /* Video Block - read dword */ |
84b5dbf3 MCC |
1691 | ret = |
1692 | cx231xx_write_i2c_data(dev, | |
ecc67d10 | 1693 | VID_BLK_I2C_ADDRESS, |
cde4362f MCC |
1694 | (u16)reg->reg, 2, |
1695 | value, 4); | |
84b5dbf3 | 1696 | break; |
ecc67d10 | 1697 | case 3: /* I2S block - read byte */ |
84b5dbf3 MCC |
1698 | ret = |
1699 | cx231xx_write_i2c_data(dev, | |
ecc67d10 | 1700 | I2S_BLK_DEVICE_ADDRESS, |
cde4362f MCC |
1701 | (u16)reg->reg, 1, |
1702 | value, 1); | |
84b5dbf3 | 1703 | break; |
ecc67d10 | 1704 | case 34: /* I2S block - read dword */ |
84b5dbf3 MCC |
1705 | ret = |
1706 | cx231xx_write_i2c_data(dev, | |
ecc67d10 | 1707 | I2S_BLK_DEVICE_ADDRESS, |
cde4362f MCC |
1708 | (u16)reg->reg, 1, |
1709 | value, 4); | |
84b5dbf3 MCC |
1710 | break; |
1711 | } | |
1712 | } | |
1713 | return ret < 0 ? ret : 0; | |
64fbf444 PB |
1714 | case V4L2_CHIP_MATCH_I2C_ADDR: |
1715 | { | |
1716 | value = (u32) buf & 0xffffffff; | |
84b5dbf3 | 1717 | |
64fbf444 PB |
1718 | switch (reg->match.addr) { |
1719 | case 0:/*cx231xx internal registers*/ | |
1720 | data[0] = (u8) value; | |
1721 | data[1] = (u8) (value >> 8); | |
1722 | data[2] = (u8) (value >> 16); | |
1723 | data[3] = (u8) (value >> 24); | |
1724 | ret = cx231xx_write_ctrl_reg(dev, | |
1725 | VRT_SET_REGISTER, | |
1726 | (u16)reg->reg, data, | |
1727 | 4); | |
1728 | break; | |
1729 | case 0x600:/* AFE - read byte */ | |
1730 | ret = cx231xx_write_i2c_master(dev, | |
1731 | AFE_DEVICE_ADDRESS, | |
1732 | (u16)reg->reg, 2, | |
1733 | value, 1 , 0); | |
1734 | break; | |
1735 | ||
1736 | case 0x880:/* Video Block - read byte */ | |
1737 | if (reg->reg < 0x0b) | |
1738 | cx231xx_write_i2c_master(dev, | |
1739 | VID_BLK_I2C_ADDRESS, | |
1740 | (u16)reg->reg, 2, | |
1741 | value, 1, 0); | |
1742 | else | |
1743 | cx231xx_write_i2c_master(dev, | |
1744 | VID_BLK_I2C_ADDRESS, | |
1745 | (u16)reg->reg, 2, | |
1746 | value, 4, 0); | |
1747 | break; | |
1748 | case 0x980: | |
1749 | ret = | |
1750 | cx231xx_write_i2c_master(dev, | |
1751 | I2S_BLK_DEVICE_ADDRESS, | |
1752 | (u16)reg->reg, 1, | |
1753 | value, 1, 0); | |
1754 | break; | |
1755 | case 0x400: | |
1756 | ret = | |
1757 | cx231xx_write_i2c_master(dev, | |
1758 | 0x40, | |
1759 | (u16)reg->reg, 1, | |
1760 | value, 1, 0); | |
1761 | break; | |
1762 | case 0xc01: | |
1763 | ret = | |
1764 | cx231xx_write_i2c_master(dev, | |
1765 | 0xc0, | |
1766 | (u16)reg->reg, 1, | |
1767 | value, 1, 1); | |
1768 | break; | |
1769 | ||
1770 | case 0x022: | |
1771 | ret = | |
1772 | cx231xx_write_i2c_master(dev, | |
1773 | 0x02, | |
1774 | (u16)reg->reg, 1, | |
1775 | value, 1, 2); | |
1776 | case 0x322: | |
1777 | ret = | |
1778 | cx231xx_write_i2c_master(dev, | |
1779 | 0x32, | |
1780 | (u16)reg->reg, 1, | |
1781 | value, 4, 2); | |
1782 | break; | |
1783 | ||
1784 | case 0x342: | |
1785 | ret = | |
1786 | cx231xx_write_i2c_master(dev, | |
1787 | 0x34, | |
1788 | (u16)reg->reg, 1, | |
1789 | value, 4, 2); | |
1790 | break; | |
1791 | default: | |
1792 | cx231xx_info("no match device address, " | |
1793 | "the value is %x\n", reg->match.addr); | |
1794 | break; | |
1795 | ||
1796 | } | |
1797 | ||
1798 | } | |
84b5dbf3 MCC |
1799 | default: |
1800 | break; | |
1801 | } | |
e0d3bafd | 1802 | |
b1196126 | 1803 | call_all(dev, core, s_register, reg); |
e0d3bafd | 1804 | |
84b5dbf3 | 1805 | return ret; |
e0d3bafd SD |
1806 | } |
1807 | #endif | |
1808 | ||
e0d3bafd | 1809 | static int vidioc_cropcap(struct file *file, void *priv, |
84b5dbf3 | 1810 | struct v4l2_cropcap *cc) |
e0d3bafd | 1811 | { |
84b5dbf3 MCC |
1812 | struct cx231xx_fh *fh = priv; |
1813 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1814 | |
1815 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1816 | return -EINVAL; | |
1817 | ||
1818 | cc->bounds.left = 0; | |
1819 | cc->bounds.top = 0; | |
1820 | cc->bounds.width = dev->width; | |
1821 | cc->bounds.height = dev->height; | |
1822 | cc->defrect = cc->bounds; | |
1823 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ | |
1824 | cc->pixelaspect.denominator = 59; | |
1825 | ||
1826 | return 0; | |
1827 | } | |
1828 | ||
1829 | static int vidioc_streamon(struct file *file, void *priv, | |
84b5dbf3 | 1830 | enum v4l2_buf_type type) |
e0d3bafd | 1831 | { |
84b5dbf3 MCC |
1832 | struct cx231xx_fh *fh = priv; |
1833 | struct cx231xx *dev = fh->dev; | |
1834 | int rc; | |
e0d3bafd SD |
1835 | |
1836 | rc = check_dev(dev); | |
1837 | if (rc < 0) | |
1838 | return rc; | |
1839 | ||
e0d3bafd SD |
1840 | rc = res_get(fh); |
1841 | ||
1842 | if (likely(rc >= 0)) | |
1843 | rc = videobuf_streamon(&fh->vb_vidq); | |
1844 | ||
b1196126 SD |
1845 | call_all(dev, video, s_stream, 1); |
1846 | ||
e0d3bafd SD |
1847 | return rc; |
1848 | } | |
1849 | ||
1850 | static int vidioc_streamoff(struct file *file, void *priv, | |
84b5dbf3 | 1851 | enum v4l2_buf_type type) |
e0d3bafd | 1852 | { |
84b5dbf3 MCC |
1853 | struct cx231xx_fh *fh = priv; |
1854 | struct cx231xx *dev = fh->dev; | |
1855 | int rc; | |
e0d3bafd SD |
1856 | |
1857 | rc = check_dev(dev); | |
1858 | if (rc < 0) | |
1859 | return rc; | |
1860 | ||
92fcbd3f | 1861 | if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && |
84b5dbf3 | 1862 | (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) |
e0d3bafd SD |
1863 | return -EINVAL; |
1864 | if (type != fh->type) | |
1865 | return -EINVAL; | |
1866 | ||
b1196126 SD |
1867 | cx25840_call(dev, video, s_stream, 0); |
1868 | ||
e0d3bafd SD |
1869 | videobuf_streamoff(&fh->vb_vidq); |
1870 | res_free(fh); | |
1871 | ||
e0d3bafd SD |
1872 | return 0; |
1873 | } | |
1874 | ||
84b5dbf3 MCC |
1875 | static int vidioc_querycap(struct file *file, void *priv, |
1876 | struct v4l2_capability *cap) | |
e0d3bafd | 1877 | { |
84b5dbf3 MCC |
1878 | struct cx231xx_fh *fh = priv; |
1879 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1880 | |
1881 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); | |
1882 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); | |
2c6beca8 | 1883 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
e0d3bafd | 1884 | |
84b5dbf3 | 1885 | cap->capabilities = V4L2_CAP_VBI_CAPTURE | |
e0d3bafd | 1886 | #if 0 |
6e4f574b | 1887 | V4L2_CAP_SLICED_VBI_CAPTURE | |
e0d3bafd | 1888 | #endif |
6e4f574b SD |
1889 | V4L2_CAP_VIDEO_CAPTURE | |
1890 | V4L2_CAP_AUDIO | | |
1891 | V4L2_CAP_READWRITE | | |
1892 | V4L2_CAP_STREAMING; | |
e0d3bafd SD |
1893 | |
1894 | if (dev->tuner_type != TUNER_ABSENT) | |
1895 | cap->capabilities |= V4L2_CAP_TUNER; | |
1896 | ||
1897 | return 0; | |
1898 | } | |
1899 | ||
84b5dbf3 MCC |
1900 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
1901 | struct v4l2_fmtdesc *f) | |
e0d3bafd | 1902 | { |
84b5dbf3 | 1903 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
e0d3bafd SD |
1904 | return -EINVAL; |
1905 | ||
1906 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); | |
1907 | f->pixelformat = format[f->index].fourcc; | |
1908 | ||
1909 | return 0; | |
1910 | } | |
1911 | ||
1912 | /* Sliced VBI ioctls */ | |
1913 | static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1914 | struct v4l2_format *f) |
e0d3bafd | 1915 | { |
84b5dbf3 MCC |
1916 | struct cx231xx_fh *fh = priv; |
1917 | struct cx231xx *dev = fh->dev; | |
1918 | int rc; | |
e0d3bafd SD |
1919 | |
1920 | rc = check_dev(dev); | |
1921 | if (rc < 0) | |
1922 | return rc; | |
1923 | ||
e0d3bafd SD |
1924 | f->fmt.sliced.service_set = 0; |
1925 | ||
7e87ddb1 | 1926 | call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced); |
e0d3bafd SD |
1927 | |
1928 | if (f->fmt.sliced.service_set == 0) | |
1929 | rc = -EINVAL; | |
1930 | ||
e0d3bafd SD |
1931 | return rc; |
1932 | } | |
1933 | ||
1934 | static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1935 | struct v4l2_format *f) |
e0d3bafd | 1936 | { |
84b5dbf3 MCC |
1937 | struct cx231xx_fh *fh = priv; |
1938 | struct cx231xx *dev = fh->dev; | |
1939 | int rc; | |
e0d3bafd SD |
1940 | |
1941 | rc = check_dev(dev); | |
1942 | if (rc < 0) | |
1943 | return rc; | |
1944 | ||
7e87ddb1 | 1945 | call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced); |
e0d3bafd SD |
1946 | |
1947 | if (f->fmt.sliced.service_set == 0) | |
1948 | return -EINVAL; | |
1949 | ||
1950 | return 0; | |
1951 | } | |
1952 | ||
e0d3bafd SD |
1953 | /* RAW VBI ioctls */ |
1954 | ||
1955 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1956 | struct v4l2_format *f) |
e0d3bafd | 1957 | { |
84b5dbf3 MCC |
1958 | struct cx231xx_fh *fh = priv; |
1959 | struct cx231xx *dev = fh->dev; | |
adc0356e | 1960 | f->fmt.vbi.sampling_rate = 6750000 * 4; |
e0d3bafd SD |
1961 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
1962 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
adc0356e | 1963 | f->fmt.vbi.offset = 0; |
e0d3bafd | 1964 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1965 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
e0d3bafd | 1966 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1967 | PAL_VBI_LINES : NTSC_VBI_LINES; |
e0d3bafd | 1968 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1969 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
e0d3bafd SD |
1970 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
1971 | ||
1972 | return 0; | |
1973 | ||
1974 | } | |
1975 | ||
1976 | static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1977 | struct v4l2_format *f) |
e0d3bafd | 1978 | { |
84b5dbf3 MCC |
1979 | struct cx231xx_fh *fh = priv; |
1980 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1981 | |
84b5dbf3 | 1982 | if (dev->vbi_stream_on && !fh->stream_on) { |
e0d3bafd SD |
1983 | cx231xx_errdev("%s device in use by another fh\n", __func__); |
1984 | return -EBUSY; | |
1985 | } | |
1986 | ||
1987 | f->type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
adc0356e | 1988 | f->fmt.vbi.sampling_rate = 6750000 * 4; |
e0d3bafd SD |
1989 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
1990 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
adc0356e | 1991 | f->fmt.vbi.offset = 0; |
e0d3bafd SD |
1992 | f->fmt.vbi.flags = 0; |
1993 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? | |
84b5dbf3 | 1994 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
e0d3bafd | 1995 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1996 | PAL_VBI_LINES : NTSC_VBI_LINES; |
e0d3bafd | 1997 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1998 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
e0d3bafd SD |
1999 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
2000 | ||
2001 | return 0; | |
2002 | ||
2003 | } | |
2004 | ||
2005 | static int vidioc_reqbufs(struct file *file, void *priv, | |
2006 | struct v4l2_requestbuffers *rb) | |
2007 | { | |
84b5dbf3 MCC |
2008 | struct cx231xx_fh *fh = priv; |
2009 | struct cx231xx *dev = fh->dev; | |
2010 | int rc; | |
e0d3bafd SD |
2011 | |
2012 | rc = check_dev(dev); | |
2013 | if (rc < 0) | |
2014 | return rc; | |
2015 | ||
cde4362f | 2016 | return videobuf_reqbufs(&fh->vb_vidq, rb); |
e0d3bafd SD |
2017 | } |
2018 | ||
84b5dbf3 | 2019 | static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) |
e0d3bafd | 2020 | { |
84b5dbf3 MCC |
2021 | struct cx231xx_fh *fh = priv; |
2022 | struct cx231xx *dev = fh->dev; | |
2023 | int rc; | |
e0d3bafd SD |
2024 | |
2025 | rc = check_dev(dev); | |
2026 | if (rc < 0) | |
2027 | return rc; | |
2028 | ||
cde4362f | 2029 | return videobuf_querybuf(&fh->vb_vidq, b); |
e0d3bafd SD |
2030 | } |
2031 | ||
2032 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
2033 | { | |
84b5dbf3 MCC |
2034 | struct cx231xx_fh *fh = priv; |
2035 | struct cx231xx *dev = fh->dev; | |
2036 | int rc; | |
e0d3bafd SD |
2037 | |
2038 | rc = check_dev(dev); | |
2039 | if (rc < 0) | |
2040 | return rc; | |
2041 | ||
cde4362f | 2042 | return videobuf_qbuf(&fh->vb_vidq, b); |
e0d3bafd SD |
2043 | } |
2044 | ||
2045 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
2046 | { | |
84b5dbf3 MCC |
2047 | struct cx231xx_fh *fh = priv; |
2048 | struct cx231xx *dev = fh->dev; | |
2049 | int rc; | |
e0d3bafd SD |
2050 | |
2051 | rc = check_dev(dev); | |
2052 | if (rc < 0) | |
2053 | return rc; | |
2054 | ||
cde4362f | 2055 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); |
e0d3bafd SD |
2056 | } |
2057 | ||
e0d3bafd SD |
2058 | /* ----------------------------------------------------------- */ |
2059 | /* RADIO ESPECIFIC IOCTLS */ | |
2060 | /* ----------------------------------------------------------- */ | |
2061 | ||
84b5dbf3 | 2062 | static int radio_querycap(struct file *file, void *priv, |
e0d3bafd SD |
2063 | struct v4l2_capability *cap) |
2064 | { | |
2065 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
2066 | ||
2067 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); | |
2068 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); | |
2069 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); | |
2070 | ||
e0d3bafd SD |
2071 | cap->capabilities = V4L2_CAP_TUNER; |
2072 | return 0; | |
2073 | } | |
2074 | ||
84b5dbf3 | 2075 | static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd SD |
2076 | { |
2077 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
2078 | ||
2079 | if (unlikely(t->index > 0)) | |
2080 | return -EINVAL; | |
2081 | ||
2082 | strcpy(t->name, "Radio"); | |
2083 | t->type = V4L2_TUNER_RADIO; | |
2084 | ||
b1196126 | 2085 | call_all(dev, tuner, s_tuner, t); |
e0d3bafd SD |
2086 | |
2087 | return 0; | |
2088 | } | |
2089 | ||
84b5dbf3 | 2090 | static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i) |
e0d3bafd SD |
2091 | { |
2092 | if (i->index != 0) | |
2093 | return -EINVAL; | |
2094 | strcpy(i->name, "Radio"); | |
2095 | i->type = V4L2_INPUT_TYPE_TUNER; | |
2096 | ||
2097 | return 0; | |
2098 | } | |
2099 | ||
2100 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
2101 | { | |
2102 | if (unlikely(a->index)) | |
2103 | return -EINVAL; | |
2104 | ||
2105 | strcpy(a->name, "Radio"); | |
2106 | return 0; | |
2107 | } | |
2108 | ||
84b5dbf3 | 2109 | static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd SD |
2110 | { |
2111 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
2112 | ||
2113 | if (0 != t->index) | |
2114 | return -EINVAL; | |
2115 | ||
b1196126 | 2116 | call_all(dev, tuner, s_tuner, t); |
e0d3bafd SD |
2117 | |
2118 | return 0; | |
2119 | } | |
2120 | ||
84b5dbf3 | 2121 | static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a) |
e0d3bafd SD |
2122 | { |
2123 | return 0; | |
2124 | } | |
2125 | ||
2126 | static int radio_s_input(struct file *file, void *fh, unsigned int i) | |
2127 | { | |
2128 | return 0; | |
2129 | } | |
2130 | ||
2131 | static int radio_queryctrl(struct file *file, void *priv, | |
2132 | struct v4l2_queryctrl *c) | |
2133 | { | |
2134 | int i; | |
2135 | ||
84b5dbf3 | 2136 | if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1) |
e0d3bafd SD |
2137 | return -EINVAL; |
2138 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
8e47567f | 2139 | for (i = 0; i < CX231XX_CTLS; i++) { |
e0d3bafd SD |
2140 | if (cx231xx_ctls[i].v.id == c->id) |
2141 | break; | |
8e47567f DC |
2142 | } |
2143 | if (i == CX231XX_CTLS) | |
2144 | return -EINVAL; | |
e0d3bafd SD |
2145 | *c = cx231xx_ctls[i].v; |
2146 | } else | |
2147 | *c = no_ctl; | |
2148 | return 0; | |
2149 | } | |
2150 | ||
2151 | /* | |
2152 | * cx231xx_v4l2_open() | |
2153 | * inits the device and starts isoc transfer | |
2154 | */ | |
2155 | static int cx231xx_v4l2_open(struct file *filp) | |
2156 | { | |
e0d3bafd | 2157 | int errCode = 0, radio = 0; |
63b0d5ad LP |
2158 | struct video_device *vdev = video_devdata(filp); |
2159 | struct cx231xx *dev = video_drvdata(filp); | |
e0d3bafd SD |
2160 | struct cx231xx_fh *fh; |
2161 | enum v4l2_buf_type fh_type = 0; | |
2162 | ||
63b0d5ad LP |
2163 | switch (vdev->vfl_type) { |
2164 | case VFL_TYPE_GRABBER: | |
2165 | fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
2166 | break; | |
2167 | case VFL_TYPE_VBI: | |
2168 | fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
2169 | break; | |
2170 | case VFL_TYPE_RADIO: | |
2171 | radio = 1; | |
2172 | break; | |
2173 | } | |
e0d3bafd | 2174 | |
50462eb0 LP |
2175 | cx231xx_videodbg("open dev=%s type=%s users=%d\n", |
2176 | video_device_node_name(vdev), v4l2_type_names[fh_type], | |
2177 | dev->users); | |
e0d3bafd SD |
2178 | |
2179 | #if 0 | |
2180 | errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
2181 | if (errCode < 0) { | |
84b5dbf3 MCC |
2182 | cx231xx_errdev |
2183 | ("Device locked on digital mode. Can't open analog\n"); | |
e0d3bafd SD |
2184 | return -EBUSY; |
2185 | } | |
2186 | #endif | |
2187 | ||
2188 | fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL); | |
2189 | if (!fh) { | |
2190 | cx231xx_errdev("cx231xx-video.c: Out of memory?!\n"); | |
e0d3bafd SD |
2191 | return -ENOMEM; |
2192 | } | |
2193 | fh->dev = dev; | |
2194 | fh->radio = radio; | |
2195 | fh->type = fh_type; | |
2196 | filp->private_data = fh; | |
2197 | ||
2198 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { | |
2199 | dev->width = norm_maxw(dev); | |
2200 | dev->height = norm_maxh(dev); | |
e0d3bafd | 2201 | |
84b5dbf3 | 2202 | /* Power up in Analog TV mode */ |
2f861387 | 2203 | if (dev->board.external_av) |
64fbf444 PB |
2204 | cx231xx_set_power_mode(dev, |
2205 | POLARIS_AVMODE_ENXTERNAL_AV); | |
2206 | else | |
2207 | cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); | |
e0d3bafd SD |
2208 | |
2209 | #if 0 | |
2210 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
2211 | #endif | |
e0d3bafd | 2212 | |
84b5dbf3 MCC |
2213 | /* set video alternate setting */ |
2214 | cx231xx_set_video_alternate(dev); | |
e0d3bafd SD |
2215 | |
2216 | /* Needed, since GPIO might have disabled power of | |
2217 | some i2c device */ | |
2218 | cx231xx_config_i2c(dev); | |
2219 | ||
2220 | /* device needs to be initialized before isoc transfer */ | |
84b5dbf3 | 2221 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; |
e0d3bafd SD |
2222 | |
2223 | } | |
2224 | if (fh->radio) { | |
2225 | cx231xx_videodbg("video_open: setting radio device\n"); | |
2226 | ||
2227 | /* cx231xx_start_radio(dev); */ | |
2228 | ||
b1196126 | 2229 | call_all(dev, tuner, s_radio); |
e0d3bafd SD |
2230 | } |
2231 | ||
2232 | dev->users++; | |
2233 | ||
cde4362f MCC |
2234 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
2235 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops, | |
2236 | NULL, &dev->video_mode.slock, | |
2237 | fh->type, V4L2_FIELD_INTERLACED, | |
08bff03e | 2238 | sizeof(struct cx231xx_buffer), |
643800d5 | 2239 | fh, &dev->lock); |
84b5dbf3 | 2240 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
cde4362f MCC |
2241 | /* Set the required alternate setting VBI interface works in |
2242 | Bulk mode only */ | |
2f861387 | 2243 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
e0d3bafd | 2244 | |
cde4362f MCC |
2245 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops, |
2246 | NULL, &dev->vbi_mode.slock, | |
2247 | fh->type, V4L2_FIELD_SEQ_TB, | |
08bff03e | 2248 | sizeof(struct cx231xx_buffer), |
643800d5 | 2249 | fh, &dev->lock); |
84b5dbf3 | 2250 | } |
e0d3bafd | 2251 | |
e0d3bafd SD |
2252 | return errCode; |
2253 | } | |
2254 | ||
2255 | /* | |
2256 | * cx231xx_realease_resources() | |
2257 | * unregisters the v4l2,i2c and usb devices | |
2258 | * called when the device gets disconected or at module unload | |
2259 | */ | |
2260 | void cx231xx_release_analog_resources(struct cx231xx *dev) | |
2261 | { | |
2262 | ||
2263 | /*FIXME: I2C IR should be disconnected */ | |
2264 | ||
2265 | if (dev->radio_dev) { | |
f0813b4c | 2266 | if (video_is_registered(dev->radio_dev)) |
e0d3bafd SD |
2267 | video_unregister_device(dev->radio_dev); |
2268 | else | |
2269 | video_device_release(dev->radio_dev); | |
2270 | dev->radio_dev = NULL; | |
2271 | } | |
2272 | if (dev->vbi_dev) { | |
38c7c036 LP |
2273 | cx231xx_info("V4L2 device %s deregistered\n", |
2274 | video_device_node_name(dev->vbi_dev)); | |
f0813b4c | 2275 | if (video_is_registered(dev->vbi_dev)) |
e0d3bafd SD |
2276 | video_unregister_device(dev->vbi_dev); |
2277 | else | |
2278 | video_device_release(dev->vbi_dev); | |
2279 | dev->vbi_dev = NULL; | |
2280 | } | |
2281 | if (dev->vdev) { | |
38c7c036 LP |
2282 | cx231xx_info("V4L2 device %s deregistered\n", |
2283 | video_device_node_name(dev->vdev)); | |
64fbf444 | 2284 | |
2f861387 | 2285 | if (dev->board.has_417) |
64fbf444 PB |
2286 | cx231xx_417_unregister(dev); |
2287 | ||
f0813b4c | 2288 | if (video_is_registered(dev->vdev)) |
e0d3bafd SD |
2289 | video_unregister_device(dev->vdev); |
2290 | else | |
2291 | video_device_release(dev->vdev); | |
2292 | dev->vdev = NULL; | |
2293 | } | |
2294 | } | |
2295 | ||
2296 | /* | |
2297 | * cx231xx_v4l2_close() | |
2298 | * stops streaming and deallocates all resources allocated by the v4l2 | |
2299 | * calls and ioctls | |
2300 | */ | |
2301 | static int cx231xx_v4l2_close(struct file *filp) | |
2302 | { | |
84b5dbf3 MCC |
2303 | struct cx231xx_fh *fh = filp->private_data; |
2304 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
2305 | |
2306 | cx231xx_videodbg("users=%d\n", dev->users); | |
2307 | ||
64fbf444 | 2308 | cx231xx_videodbg("users=%d\n", dev->users); |
e0d3bafd SD |
2309 | if (res_check(fh)) |
2310 | res_free(fh); | |
2311 | ||
2f861387 MCC |
2312 | /* |
2313 | * To workaround error number=-71 on EP0 for VideoGrabber, | |
2314 | * need exclude following. | |
2315 | * FIXME: It is probably safe to remove most of these, as we're | |
2316 | * now avoiding the alternate setting for INDEX_VANC | |
2317 | */ | |
2318 | if (!dev->board.no_alt_vanc) | |
64fbf444 PB |
2319 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
2320 | videobuf_stop(&fh->vb_vidq); | |
2321 | videobuf_mmap_free(&fh->vb_vidq); | |
2322 | ||
2323 | /* the device is already disconnect, | |
2324 | free the remaining resources */ | |
2325 | if (dev->state & DEV_DISCONNECTED) { | |
2326 | if (atomic_read(&dev->devlist_count) > 0) { | |
2327 | cx231xx_release_resources(dev); | |
64fbf444 PB |
2328 | kfree(dev); |
2329 | dev = NULL; | |
2330 | return 0; | |
2331 | } | |
64fbf444 PB |
2332 | return 0; |
2333 | } | |
84b5dbf3 | 2334 | |
64fbf444 PB |
2335 | /* do this before setting alternate! */ |
2336 | cx231xx_uninit_vbi_isoc(dev); | |
2337 | ||
2338 | /* set alternate 0 */ | |
2339 | if (!dev->vbi_or_sliced_cc_mode) | |
2340 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); | |
2341 | else | |
2342 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); | |
2343 | ||
2344 | kfree(fh); | |
2345 | dev->users--; | |
2346 | wake_up_interruptible_nr(&dev->open, 1); | |
84b5dbf3 MCC |
2347 | return 0; |
2348 | } | |
2349 | ||
e0d3bafd SD |
2350 | if (dev->users == 1) { |
2351 | videobuf_stop(&fh->vb_vidq); | |
2352 | videobuf_mmap_free(&fh->vb_vidq); | |
2353 | ||
2354 | /* the device is already disconnect, | |
2355 | free the remaining resources */ | |
2356 | if (dev->state & DEV_DISCONNECTED) { | |
2357 | cx231xx_release_resources(dev); | |
e0d3bafd | 2358 | kfree(dev); |
64fbf444 | 2359 | dev = NULL; |
e0d3bafd SD |
2360 | return 0; |
2361 | } | |
2362 | ||
84b5dbf3 | 2363 | /* Save some power by putting tuner to sleep */ |
622b828a | 2364 | call_all(dev, core, s_power, 0); |
e0d3bafd SD |
2365 | |
2366 | /* do this before setting alternate! */ | |
64fbf444 PB |
2367 | if (dev->USE_ISO) |
2368 | cx231xx_uninit_isoc(dev); | |
2369 | else | |
2370 | cx231xx_uninit_bulk(dev); | |
e0d3bafd SD |
2371 | cx231xx_set_mode(dev, CX231XX_SUSPEND); |
2372 | ||
2373 | /* set alternate 0 */ | |
2374 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); | |
2375 | } | |
2376 | kfree(fh); | |
2377 | dev->users--; | |
2378 | wake_up_interruptible_nr(&dev->open, 1); | |
e0d3bafd SD |
2379 | return 0; |
2380 | } | |
2381 | ||
2382 | /* | |
2383 | * cx231xx_v4l2_read() | |
2384 | * will allocate buffers when called for the first time | |
2385 | */ | |
2386 | static ssize_t | |
cde4362f MCC |
2387 | cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count, |
2388 | loff_t *pos) | |
e0d3bafd SD |
2389 | { |
2390 | struct cx231xx_fh *fh = filp->private_data; | |
2391 | struct cx231xx *dev = fh->dev; | |
2392 | int rc; | |
2393 | ||
2394 | rc = check_dev(dev); | |
2395 | if (rc < 0) | |
2396 | return rc; | |
2397 | ||
84b5dbf3 MCC |
2398 | if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) || |
2399 | (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) { | |
e0d3bafd | 2400 | rc = res_get(fh); |
e0d3bafd SD |
2401 | |
2402 | if (unlikely(rc < 0)) | |
2403 | return rc; | |
2404 | ||
2405 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
84b5dbf3 | 2406 | filp->f_flags & O_NONBLOCK); |
e0d3bafd SD |
2407 | } |
2408 | return 0; | |
2409 | } | |
2410 | ||
2411 | /* | |
2412 | * cx231xx_v4l2_poll() | |
2413 | * will allocate buffers when called for the first time | |
2414 | */ | |
64fbf444 | 2415 | static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait) |
e0d3bafd SD |
2416 | { |
2417 | struct cx231xx_fh *fh = filp->private_data; | |
2418 | struct cx231xx *dev = fh->dev; | |
2419 | int rc; | |
2420 | ||
2421 | rc = check_dev(dev); | |
2422 | if (rc < 0) | |
2423 | return rc; | |
2424 | ||
e0d3bafd | 2425 | rc = res_get(fh); |
e0d3bafd SD |
2426 | |
2427 | if (unlikely(rc < 0)) | |
2428 | return POLLERR; | |
2429 | ||
84b5dbf3 MCC |
2430 | if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) || |
2431 | (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) | |
2432 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); | |
2433 | else | |
e0d3bafd SD |
2434 | return POLLERR; |
2435 | } | |
2436 | ||
2437 | /* | |
2438 | * cx231xx_v4l2_mmap() | |
2439 | */ | |
2440 | static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
2441 | { | |
84b5dbf3 MCC |
2442 | struct cx231xx_fh *fh = filp->private_data; |
2443 | struct cx231xx *dev = fh->dev; | |
2444 | int rc; | |
e0d3bafd SD |
2445 | |
2446 | rc = check_dev(dev); | |
2447 | if (rc < 0) | |
2448 | return rc; | |
2449 | ||
e0d3bafd | 2450 | rc = res_get(fh); |
e0d3bafd SD |
2451 | |
2452 | if (unlikely(rc < 0)) | |
2453 | return rc; | |
2454 | ||
2455 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
2456 | ||
2457 | cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", | |
84b5dbf3 MCC |
2458 | (unsigned long)vma->vm_start, |
2459 | (unsigned long)vma->vm_end - | |
2460 | (unsigned long)vma->vm_start, rc); | |
e0d3bafd SD |
2461 | |
2462 | return rc; | |
2463 | } | |
2464 | ||
2465 | static const struct v4l2_file_operations cx231xx_v4l_fops = { | |
cde4362f MCC |
2466 | .owner = THIS_MODULE, |
2467 | .open = cx231xx_v4l2_open, | |
84b5dbf3 | 2468 | .release = cx231xx_v4l2_close, |
cde4362f MCC |
2469 | .read = cx231xx_v4l2_read, |
2470 | .poll = cx231xx_v4l2_poll, | |
2471 | .mmap = cx231xx_v4l2_mmap, | |
643800d5 | 2472 | .unlocked_ioctl = video_ioctl2, |
e0d3bafd SD |
2473 | }; |
2474 | ||
2475 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
cde4362f MCC |
2476 | .vidioc_querycap = vidioc_querycap, |
2477 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
2478 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
2479 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
2480 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
2481 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, | |
2482 | .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, | |
2483 | .vidioc_s_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, | |
2484 | .vidioc_g_audio = vidioc_g_audio, | |
2485 | .vidioc_s_audio = vidioc_s_audio, | |
2486 | .vidioc_cropcap = vidioc_cropcap, | |
2487 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, | |
e0d3bafd | 2488 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, |
cde4362f MCC |
2489 | .vidioc_reqbufs = vidioc_reqbufs, |
2490 | .vidioc_querybuf = vidioc_querybuf, | |
2491 | .vidioc_qbuf = vidioc_qbuf, | |
2492 | .vidioc_dqbuf = vidioc_dqbuf, | |
2493 | .vidioc_s_std = vidioc_s_std, | |
2494 | .vidioc_g_std = vidioc_g_std, | |
2495 | .vidioc_enum_input = vidioc_enum_input, | |
2496 | .vidioc_g_input = vidioc_g_input, | |
2497 | .vidioc_s_input = vidioc_s_input, | |
2498 | .vidioc_queryctrl = vidioc_queryctrl, | |
2499 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
2500 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
2501 | .vidioc_streamon = vidioc_streamon, | |
2502 | .vidioc_streamoff = vidioc_streamoff, | |
2503 | .vidioc_g_tuner = vidioc_g_tuner, | |
2504 | .vidioc_s_tuner = vidioc_s_tuner, | |
2505 | .vidioc_g_frequency = vidioc_g_frequency, | |
2506 | .vidioc_s_frequency = vidioc_s_frequency, | |
e0d3bafd | 2507 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
cde4362f MCC |
2508 | .vidioc_g_register = vidioc_g_register, |
2509 | .vidioc_s_register = vidioc_s_register, | |
e0d3bafd | 2510 | #endif |
e0d3bafd SD |
2511 | }; |
2512 | ||
2513 | static struct video_device cx231xx_vbi_template; | |
2514 | ||
2515 | static const struct video_device cx231xx_video_template = { | |
cde4362f MCC |
2516 | .fops = &cx231xx_v4l_fops, |
2517 | .release = video_device_release, | |
2518 | .ioctl_ops = &video_ioctl_ops, | |
cde4362f | 2519 | .tvnorms = V4L2_STD_ALL, |
84b5dbf3 | 2520 | .current_norm = V4L2_STD_PAL, |
e0d3bafd SD |
2521 | }; |
2522 | ||
2523 | static const struct v4l2_file_operations radio_fops = { | |
cde4362f MCC |
2524 | .owner = THIS_MODULE, |
2525 | .open = cx231xx_v4l2_open, | |
84b5dbf3 | 2526 | .release = cx231xx_v4l2_close, |
cde4362f | 2527 | .ioctl = video_ioctl2, |
e0d3bafd SD |
2528 | }; |
2529 | ||
2530 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
cde4362f MCC |
2531 | .vidioc_querycap = radio_querycap, |
2532 | .vidioc_g_tuner = radio_g_tuner, | |
2533 | .vidioc_enum_input = radio_enum_input, | |
2534 | .vidioc_g_audio = radio_g_audio, | |
2535 | .vidioc_s_tuner = radio_s_tuner, | |
2536 | .vidioc_s_audio = radio_s_audio, | |
2537 | .vidioc_s_input = radio_s_input, | |
2538 | .vidioc_queryctrl = radio_queryctrl, | |
2539 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
2540 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
84b5dbf3 MCC |
2541 | .vidioc_g_frequency = vidioc_g_frequency, |
2542 | .vidioc_s_frequency = vidioc_s_frequency, | |
e0d3bafd | 2543 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
cde4362f MCC |
2544 | .vidioc_g_register = vidioc_g_register, |
2545 | .vidioc_s_register = vidioc_s_register, | |
e0d3bafd SD |
2546 | #endif |
2547 | }; | |
2548 | ||
2549 | static struct video_device cx231xx_radio_template = { | |
cde4362f MCC |
2550 | .name = "cx231xx-radio", |
2551 | .fops = &radio_fops, | |
84b5dbf3 | 2552 | .ioctl_ops = &radio_ioctl_ops, |
e0d3bafd SD |
2553 | }; |
2554 | ||
2555 | /******************************** usb interface ******************************/ | |
2556 | ||
b9255176 SD |
2557 | static struct video_device *cx231xx_vdev_init(struct cx231xx *dev, |
2558 | const struct video_device | |
2559 | *template, const char *type_name) | |
e0d3bafd SD |
2560 | { |
2561 | struct video_device *vfd; | |
2562 | ||
2563 | vfd = video_device_alloc(); | |
2564 | if (NULL == vfd) | |
2565 | return NULL; | |
cde4362f | 2566 | |
e0d3bafd | 2567 | *vfd = *template; |
b1196126 | 2568 | vfd->v4l2_dev = &dev->v4l2_dev; |
e0d3bafd SD |
2569 | vfd->release = video_device_release; |
2570 | vfd->debug = video_debug; | |
643800d5 | 2571 | vfd->lock = &dev->lock; |
e0d3bafd | 2572 | |
84b5dbf3 | 2573 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); |
e0d3bafd | 2574 | |
63b0d5ad | 2575 | video_set_drvdata(vfd, dev); |
e0d3bafd SD |
2576 | return vfd; |
2577 | } | |
2578 | ||
2579 | int cx231xx_register_analog_devices(struct cx231xx *dev) | |
2580 | { | |
2581 | int ret; | |
2582 | ||
1990d50b MCC |
2583 | cx231xx_info("%s: v4l2 driver version %s\n", |
2584 | dev->name, CX231XX_VERSION); | |
e0d3bafd SD |
2585 | |
2586 | /* set default norm */ | |
84b5dbf3 | 2587 | /*dev->norm = cx231xx_video_template.current_norm; */ |
e0d3bafd SD |
2588 | dev->width = norm_maxw(dev); |
2589 | dev->height = norm_maxh(dev); | |
2590 | dev->interlaced = 0; | |
e0d3bafd SD |
2591 | |
2592 | /* Analog specific initialization */ | |
2593 | dev->format = &format[0]; | |
6e6a2ba9 DH |
2594 | |
2595 | /* Set the initial input */ | |
2596 | video_mux(dev, dev->video_input); | |
e0d3bafd SD |
2597 | |
2598 | /* Audio defaults */ | |
2599 | dev->mute = 1; | |
2600 | dev->volume = 0x1f; | |
2601 | ||
2602 | /* enable vbi capturing */ | |
84b5dbf3 | 2603 | /* write code here... */ |
e0d3bafd SD |
2604 | |
2605 | /* allocate and fill video video_device struct */ | |
2606 | dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video"); | |
2607 | if (!dev->vdev) { | |
2608 | cx231xx_errdev("cannot allocate video_device.\n"); | |
2609 | return -ENODEV; | |
2610 | } | |
2611 | ||
2612 | /* register v4l2 video video_device */ | |
2613 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, | |
84b5dbf3 | 2614 | video_nr[dev->devno]); |
e0d3bafd | 2615 | if (ret) { |
84b5dbf3 MCC |
2616 | cx231xx_errdev("unable to register video device (error=%i).\n", |
2617 | ret); | |
e0d3bafd SD |
2618 | return ret; |
2619 | } | |
2620 | ||
38c7c036 LP |
2621 | cx231xx_info("%s/0: registered device %s [v4l2]\n", |
2622 | dev->name, video_device_node_name(dev->vdev)); | |
e0d3bafd | 2623 | |
84b5dbf3 MCC |
2624 | /* Initialize VBI template */ |
2625 | memcpy(&cx231xx_vbi_template, &cx231xx_video_template, | |
2626 | sizeof(cx231xx_vbi_template)); | |
2627 | strcpy(cx231xx_vbi_template.name, "cx231xx-vbi"); | |
e0d3bafd SD |
2628 | |
2629 | /* Allocate and fill vbi video_device struct */ | |
2630 | dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi"); | |
2631 | ||
2632 | /* register v4l2 vbi video_device */ | |
2633 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, | |
84b5dbf3 | 2634 | vbi_nr[dev->devno]); |
e0d3bafd SD |
2635 | if (ret < 0) { |
2636 | cx231xx_errdev("unable to register vbi device\n"); | |
2637 | return ret; | |
2638 | } | |
2639 | ||
38c7c036 LP |
2640 | cx231xx_info("%s/0: registered device %s\n", |
2641 | dev->name, video_device_node_name(dev->vbi_dev)); | |
e0d3bafd SD |
2642 | |
2643 | if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { | |
cde4362f MCC |
2644 | dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template, |
2645 | "radio"); | |
e0d3bafd SD |
2646 | if (!dev->radio_dev) { |
2647 | cx231xx_errdev("cannot allocate video_device.\n"); | |
2648 | return -ENODEV; | |
2649 | } | |
2650 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, | |
2651 | radio_nr[dev->devno]); | |
2652 | if (ret < 0) { | |
2653 | cx231xx_errdev("can't register radio device\n"); | |
2654 | return ret; | |
2655 | } | |
38c7c036 LP |
2656 | cx231xx_info("Registered radio device as %s\n", |
2657 | video_device_node_name(dev->radio_dev)); | |
e0d3bafd SD |
2658 | } |
2659 | ||
38c7c036 LP |
2660 | cx231xx_info("V4L2 device registered as %s and %s\n", |
2661 | video_device_node_name(dev->vdev), | |
2662 | video_device_node_name(dev->vbi_dev)); | |
e0d3bafd SD |
2663 | |
2664 | return 0; | |
2665 | } |