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Commit | Line | Data |
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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 | ||
589dadf2 | 25 | #include "cx231xx.h" |
e0d3bafd SD |
26 | #include <linux/init.h> |
27 | #include <linux/list.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/kernel.h> | |
30 | #include <linux/bitmap.h> | |
e0d3bafd | 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> | |
1d08a4fa | 38 | #include <media/v4l2-event.h> |
d647f0b7 | 39 | #include <media/drv-intf/msp3400.h> |
e0d3bafd SD |
40 | #include <media/tuner.h> |
41 | ||
42 | #include "dvb_frontend.h" | |
43 | ||
e0d3bafd SD |
44 | #include "cx231xx-vbi.h" |
45 | ||
3d28cf3e | 46 | #define CX231XX_VERSION "0.0.3" |
818fdf34 | 47 | |
e0d3bafd SD |
48 | #define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>" |
49 | #define DRIVER_DESC "Conexant cx231xx based USB video device driver" | |
50 | ||
e0d3bafd SD |
51 | #define cx231xx_videodbg(fmt, arg...) do {\ |
52 | if (video_debug) \ | |
53 | printk(KERN_INFO "%s %s :"fmt, \ | |
54 | dev->name, __func__ , ##arg); } while (0) | |
55 | ||
56 | static unsigned int isoc_debug; | |
57 | module_param(isoc_debug, int, 0644); | |
58 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
59 | ||
60 | #define cx231xx_isocdbg(fmt, arg...) \ | |
61 | do {\ | |
62 | if (isoc_debug) { \ | |
63 | printk(KERN_INFO "%s %s :"fmt, \ | |
64 | dev->name, __func__ , ##arg); \ | |
65 | } \ | |
66 | } while (0) | |
67 | ||
68 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
69 | MODULE_DESCRIPTION(DRIVER_DESC); | |
70 | MODULE_LICENSE("GPL"); | |
1990d50b | 71 | MODULE_VERSION(CX231XX_VERSION); |
e0d3bafd | 72 | |
e0d3bafd SD |
73 | static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; |
74 | static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
75 | static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
76 | static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
77 | ||
84b5dbf3 | 78 | module_param_array(card, int, NULL, 0444); |
e0d3bafd SD |
79 | module_param_array(video_nr, int, NULL, 0444); |
80 | module_param_array(vbi_nr, int, NULL, 0444); | |
81 | module_param_array(radio_nr, int, NULL, 0444); | |
82 | ||
84b5dbf3 | 83 | MODULE_PARM_DESC(card, "card type"); |
e0d3bafd | 84 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
84b5dbf3 | 85 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
e0d3bafd SD |
86 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); |
87 | ||
88 | static unsigned int video_debug; | |
89 | module_param(video_debug, int, 0644); | |
90 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
91 | ||
e0d3bafd SD |
92 | /* supported video standards */ |
93 | static struct cx231xx_fmt format[] = { | |
94 | { | |
84b5dbf3 MCC |
95 | .name = "16bpp YUY2, 4:2:2, packed", |
96 | .fourcc = V4L2_PIX_FMT_YUYV, | |
97 | .depth = 16, | |
98 | .reg = 0, | |
99 | }, | |
e0d3bafd SD |
100 | }; |
101 | ||
e0d3bafd | 102 | |
3d263114 MCC |
103 | static int cx231xx_enable_analog_tuner(struct cx231xx *dev) |
104 | { | |
105 | #ifdef CONFIG_MEDIA_CONTROLLER | |
106 | struct media_device *mdev = dev->media_dev; | |
107 | struct media_entity *entity, *decoder = NULL, *source; | |
108 | struct media_link *link, *found_link = NULL; | |
57208e5e | 109 | int ret, active_links = 0; |
3d263114 MCC |
110 | |
111 | if (!mdev) | |
112 | return 0; | |
113 | ||
114 | /* | |
115 | * This will find the tuner that is connected into the decoder. | |
116 | * Technically, this is not 100% correct, as the device may be | |
117 | * using an analog input instead of the tuner. However, as we can't | |
118 | * do DVB streaming while the DMA engine is being used for V4L2, | |
119 | * this should be enough for the actual needs. | |
120 | */ | |
121 | media_device_for_each_entity(entity, mdev) { | |
4ca72efa | 122 | if (entity->function == MEDIA_ENT_F_ATV_DECODER) { |
3d263114 MCC |
123 | decoder = entity; |
124 | break; | |
125 | } | |
126 | } | |
127 | if (!decoder) | |
128 | return 0; | |
129 | ||
57208e5e | 130 | list_for_each_entry(link, &decoder->links, list) { |
3d263114 MCC |
131 | if (link->sink->entity == decoder) { |
132 | found_link = link; | |
133 | if (link->flags & MEDIA_LNK_FL_ENABLED) | |
134 | active_links++; | |
135 | break; | |
136 | } | |
137 | } | |
138 | ||
139 | if (active_links == 1 || !found_link) | |
140 | return 0; | |
141 | ||
142 | source = found_link->source->entity; | |
57208e5e | 143 | list_for_each_entry(link, &source->links, list) { |
3d263114 MCC |
144 | struct media_entity *sink; |
145 | int flags = 0; | |
146 | ||
3d263114 MCC |
147 | sink = link->sink->entity; |
148 | ||
149 | if (sink == entity) | |
150 | flags = MEDIA_LNK_FL_ENABLED; | |
151 | ||
152 | ret = media_entity_setup_link(link, flags); | |
153 | if (ret) { | |
154 | dev_err(dev->dev, | |
155 | "Couldn't change link %s->%s to %s. Error %d\n", | |
156 | source->name, sink->name, | |
157 | flags ? "enabled" : "disabled", | |
158 | ret); | |
159 | return ret; | |
160 | } else | |
161 | dev_dbg(dev->dev, | |
162 | "link %s->%s was %s\n", | |
163 | source->name, sink->name, | |
164 | flags ? "ENABLED" : "disabled"); | |
165 | } | |
166 | #endif | |
167 | return 0; | |
168 | } | |
169 | ||
e0d3bafd SD |
170 | /* ------------------------------------------------------------------ |
171 | Video buffer and parser functions | |
172 | ------------------------------------------------------------------*/ | |
173 | ||
174 | /* | |
175 | * Announces that a buffer were filled and request the next | |
176 | */ | |
177 | static inline void buffer_filled(struct cx231xx *dev, | |
84b5dbf3 MCC |
178 | struct cx231xx_dmaqueue *dma_q, |
179 | struct cx231xx_buffer *buf) | |
e0d3bafd SD |
180 | { |
181 | /* Advice that buffer was filled */ | |
182 | cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
183 | buf->vb.state = VIDEOBUF_DONE; | |
184 | buf->vb.field_count++; | |
8e6057b5 | 185 | v4l2_get_timestamp(&buf->vb.ts); |
e0d3bafd | 186 | |
64fbf444 PB |
187 | if (dev->USE_ISO) |
188 | dev->video_mode.isoc_ctl.buf = NULL; | |
189 | else | |
190 | dev->video_mode.bulk_ctl.buf = NULL; | |
e0d3bafd SD |
191 | |
192 | list_del(&buf->vb.queue); | |
193 | wake_up(&buf->vb.done); | |
194 | } | |
195 | ||
84b5dbf3 | 196 | static inline void print_err_status(struct cx231xx *dev, int packet, int status) |
e0d3bafd SD |
197 | { |
198 | char *errmsg = "Unknown"; | |
199 | ||
200 | switch (status) { | |
201 | case -ENOENT: | |
202 | errmsg = "unlinked synchronuously"; | |
203 | break; | |
204 | case -ECONNRESET: | |
205 | errmsg = "unlinked asynchronuously"; | |
206 | break; | |
207 | case -ENOSR: | |
208 | errmsg = "Buffer error (overrun)"; | |
209 | break; | |
210 | case -EPIPE: | |
211 | errmsg = "Stalled (device not responding)"; | |
212 | break; | |
213 | case -EOVERFLOW: | |
214 | errmsg = "Babble (bad cable?)"; | |
215 | break; | |
216 | case -EPROTO: | |
217 | errmsg = "Bit-stuff error (bad cable?)"; | |
218 | break; | |
219 | case -EILSEQ: | |
220 | errmsg = "CRC/Timeout (could be anything)"; | |
221 | break; | |
222 | case -ETIME: | |
223 | errmsg = "Device does not respond"; | |
224 | break; | |
225 | } | |
226 | if (packet < 0) { | |
84b5dbf3 | 227 | cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
e0d3bafd SD |
228 | } else { |
229 | cx231xx_isocdbg("URB packet %d, status %d [%s].\n", | |
84b5dbf3 | 230 | packet, status, errmsg); |
e0d3bafd SD |
231 | } |
232 | } | |
233 | ||
234 | /* | |
235 | * video-buf generic routine to get the next available buffer | |
236 | */ | |
237 | static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, | |
84b5dbf3 | 238 | struct cx231xx_buffer **buf) |
e0d3bafd | 239 | { |
84b5dbf3 MCC |
240 | struct cx231xx_video_mode *vmode = |
241 | container_of(dma_q, struct cx231xx_video_mode, vidq); | |
242 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); | |
e0d3bafd SD |
243 | |
244 | char *outp; | |
245 | ||
e0d3bafd SD |
246 | if (list_empty(&dma_q->active)) { |
247 | cx231xx_isocdbg("No active queue to serve\n"); | |
64fbf444 PB |
248 | if (dev->USE_ISO) |
249 | dev->video_mode.isoc_ctl.buf = NULL; | |
250 | else | |
251 | dev->video_mode.bulk_ctl.buf = NULL; | |
e0d3bafd SD |
252 | *buf = NULL; |
253 | return; | |
254 | } | |
255 | ||
256 | /* Get the next buffer */ | |
257 | *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue); | |
258 | ||
25985edc | 259 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
e0d3bafd SD |
260 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
261 | memset(outp, 0, (*buf)->vb.size); | |
262 | ||
64fbf444 PB |
263 | if (dev->USE_ISO) |
264 | dev->video_mode.isoc_ctl.buf = *buf; | |
265 | else | |
266 | dev->video_mode.bulk_ctl.buf = *buf; | |
e0d3bafd SD |
267 | |
268 | return; | |
269 | } | |
270 | ||
271 | /* | |
272 | * Controls the isoc copy of each urb packet | |
273 | */ | |
274 | static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) | |
275 | { | |
84b5dbf3 | 276 | struct cx231xx_dmaqueue *dma_q = urb->context; |
4df16f70 | 277 | int i; |
e0d3bafd | 278 | unsigned char *p_buffer; |
84b5dbf3 MCC |
279 | u32 bytes_parsed = 0, buffer_size = 0; |
280 | u8 sav_eav = 0; | |
e0d3bafd SD |
281 | |
282 | if (!dev) | |
283 | return 0; | |
284 | ||
990862a2 | 285 | if (dev->state & DEV_DISCONNECTED) |
e0d3bafd SD |
286 | return 0; |
287 | ||
288 | if (urb->status < 0) { | |
289 | print_err_status(dev, -1, urb->status); | |
290 | if (urb->status == -ENOENT) | |
291 | return 0; | |
292 | } | |
293 | ||
e0d3bafd SD |
294 | for (i = 0; i < urb->number_of_packets; i++) { |
295 | int status = urb->iso_frame_desc[i].status; | |
296 | ||
297 | if (status < 0) { | |
298 | print_err_status(dev, i, status); | |
299 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
300 | continue; | |
301 | } | |
302 | ||
84b5dbf3 | 303 | if (urb->iso_frame_desc[i].actual_length <= 0) { |
e0d3bafd SD |
304 | /* cx231xx_isocdbg("packet %d is empty",i); - spammy */ |
305 | continue; | |
306 | } | |
307 | if (urb->iso_frame_desc[i].actual_length > | |
84b5dbf3 | 308 | dev->video_mode.max_pkt_size) { |
e0d3bafd SD |
309 | cx231xx_isocdbg("packet bigger than packet size"); |
310 | continue; | |
311 | } | |
312 | ||
84b5dbf3 | 313 | /* get buffer pointer and length */ |
e0d3bafd | 314 | p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
84b5dbf3 MCC |
315 | buffer_size = urb->iso_frame_desc[i].actual_length; |
316 | bytes_parsed = 0; | |
317 | ||
318 | if (dma_q->is_partial_line) { | |
b9255176 | 319 | /* Handle the case of a partial line */ |
84b5dbf3 MCC |
320 | sav_eav = dma_q->last_sav; |
321 | } else { | |
b9255176 SD |
322 | /* Check for a SAV/EAV overlapping |
323 | the buffer boundary */ | |
84b5dbf3 MCC |
324 | sav_eav = |
325 | cx231xx_find_boundary_SAV_EAV(p_buffer, | |
326 | dma_q->partial_buf, | |
327 | &bytes_parsed); | |
328 | } | |
e0d3bafd | 329 | |
84b5dbf3 | 330 | sav_eav &= 0xF0; |
cde4362f MCC |
331 | /* Get the first line if we have some portion of an SAV/EAV from |
332 | the last buffer or a partial line */ | |
84b5dbf3 | 333 | if (sav_eav) { |
cde4362f | 334 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, |
b9255176 SD |
335 | sav_eav, /* SAV/EAV */ |
336 | p_buffer + bytes_parsed, /* p_buffer */ | |
337 | buffer_size - bytes_parsed);/* buf size */ | |
84b5dbf3 | 338 | } |
e0d3bafd | 339 | |
84b5dbf3 MCC |
340 | /* Now parse data that is completely in this buffer */ |
341 | /* dma_q->is_partial_line = 0; */ | |
e0d3bafd | 342 | |
84b5dbf3 MCC |
343 | while (bytes_parsed < buffer_size) { |
344 | u32 bytes_used = 0; | |
e0d3bafd | 345 | |
b9255176 SD |
346 | sav_eav = cx231xx_find_next_SAV_EAV( |
347 | p_buffer + bytes_parsed, /* p_buffer */ | |
348 | buffer_size - bytes_parsed, /* buf size */ | |
349 | &bytes_used);/* bytes used to get SAV/EAV */ | |
e0d3bafd | 350 | |
84b5dbf3 | 351 | bytes_parsed += bytes_used; |
e0d3bafd | 352 | |
84b5dbf3 MCC |
353 | sav_eav &= 0xF0; |
354 | if (sav_eav && (bytes_parsed < buffer_size)) { | |
cde4362f | 355 | bytes_parsed += cx231xx_get_video_line(dev, |
b9255176 SD |
356 | dma_q, sav_eav, /* SAV/EAV */ |
357 | p_buffer + bytes_parsed,/* p_buffer */ | |
358 | buffer_size - bytes_parsed);/*buf size*/ | |
84b5dbf3 MCC |
359 | } |
360 | } | |
e0d3bafd | 361 | |
cde4362f MCC |
362 | /* Save the last four bytes of the buffer so we can check the |
363 | buffer boundary condition next time */ | |
84b5dbf3 MCC |
364 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); |
365 | bytes_parsed = 0; | |
e0d3bafd | 366 | |
84b5dbf3 | 367 | } |
4df16f70 | 368 | return 1; |
e0d3bafd SD |
369 | } |
370 | ||
64fbf444 PB |
371 | static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) |
372 | { | |
64fbf444 | 373 | struct cx231xx_dmaqueue *dma_q = urb->context; |
64fbf444 PB |
374 | unsigned char *p_buffer; |
375 | u32 bytes_parsed = 0, buffer_size = 0; | |
376 | u8 sav_eav = 0; | |
377 | ||
378 | if (!dev) | |
379 | return 0; | |
380 | ||
990862a2 | 381 | if (dev->state & DEV_DISCONNECTED) |
64fbf444 PB |
382 | return 0; |
383 | ||
384 | if (urb->status < 0) { | |
385 | print_err_status(dev, -1, urb->status); | |
386 | if (urb->status == -ENOENT) | |
387 | return 0; | |
388 | } | |
389 | ||
64fbf444 PB |
390 | if (1) { |
391 | ||
392 | /* get buffer pointer and length */ | |
393 | p_buffer = urb->transfer_buffer; | |
394 | buffer_size = urb->actual_length; | |
395 | bytes_parsed = 0; | |
396 | ||
397 | if (dma_q->is_partial_line) { | |
398 | /* Handle the case of a partial line */ | |
399 | sav_eav = dma_q->last_sav; | |
400 | } else { | |
401 | /* Check for a SAV/EAV overlapping | |
402 | the buffer boundary */ | |
403 | sav_eav = | |
404 | cx231xx_find_boundary_SAV_EAV(p_buffer, | |
405 | dma_q->partial_buf, | |
406 | &bytes_parsed); | |
407 | } | |
408 | ||
409 | sav_eav &= 0xF0; | |
410 | /* Get the first line if we have some portion of an SAV/EAV from | |
411 | the last buffer or a partial line */ | |
412 | if (sav_eav) { | |
413 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, | |
414 | sav_eav, /* SAV/EAV */ | |
415 | p_buffer + bytes_parsed, /* p_buffer */ | |
416 | buffer_size - bytes_parsed);/* buf size */ | |
417 | } | |
418 | ||
419 | /* Now parse data that is completely in this buffer */ | |
420 | /* dma_q->is_partial_line = 0; */ | |
421 | ||
422 | while (bytes_parsed < buffer_size) { | |
423 | u32 bytes_used = 0; | |
424 | ||
425 | sav_eav = cx231xx_find_next_SAV_EAV( | |
426 | p_buffer + bytes_parsed, /* p_buffer */ | |
427 | buffer_size - bytes_parsed, /* buf size */ | |
428 | &bytes_used);/* bytes used to get SAV/EAV */ | |
429 | ||
430 | bytes_parsed += bytes_used; | |
431 | ||
432 | sav_eav &= 0xF0; | |
433 | if (sav_eav && (bytes_parsed < buffer_size)) { | |
434 | bytes_parsed += cx231xx_get_video_line(dev, | |
435 | dma_q, sav_eav, /* SAV/EAV */ | |
436 | p_buffer + bytes_parsed,/* p_buffer */ | |
437 | buffer_size - bytes_parsed);/*buf size*/ | |
438 | } | |
439 | } | |
440 | ||
441 | /* Save the last four bytes of the buffer so we can check the | |
442 | buffer boundary condition next time */ | |
443 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); | |
444 | bytes_parsed = 0; | |
445 | ||
446 | } | |
4df16f70 | 447 | return 1; |
64fbf444 PB |
448 | } |
449 | ||
450 | ||
cde4362f MCC |
451 | u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, |
452 | u32 *p_bytes_used) | |
e0d3bafd | 453 | { |
84b5dbf3 MCC |
454 | u32 bytes_used; |
455 | u8 boundary_bytes[8]; | |
456 | u8 sav_eav = 0; | |
457 | ||
458 | *p_bytes_used = 0; | |
e0d3bafd | 459 | |
84b5dbf3 MCC |
460 | /* Create an array of the last 4 bytes of the last buffer and the first |
461 | 4 bytes of the current buffer. */ | |
e0d3bafd | 462 | |
84b5dbf3 MCC |
463 | memcpy(boundary_bytes, partial_buf, 4); |
464 | memcpy(boundary_bytes + 4, p_buffer, 4); | |
e0d3bafd | 465 | |
84b5dbf3 | 466 | /* Check for the SAV/EAV in the boundary buffer */ |
cde4362f MCC |
467 | sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8, |
468 | &bytes_used); | |
e0d3bafd | 469 | |
84b5dbf3 MCC |
470 | if (sav_eav) { |
471 | /* found a boundary SAV/EAV. Updates the bytes used to reflect | |
472 | only those used in the new buffer */ | |
473 | *p_bytes_used = bytes_used - 4; | |
474 | } | |
e0d3bafd | 475 | |
84b5dbf3 | 476 | return sav_eav; |
e0d3bafd SD |
477 | } |
478 | ||
cde4362f | 479 | u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used) |
84b5dbf3 MCC |
480 | { |
481 | u32 i; | |
482 | u8 sav_eav = 0; | |
e0d3bafd | 483 | |
cde4362f MCC |
484 | /* |
485 | * Don't search if the buffer size is less than 4. It causes a page | |
486 | * fault since buffer_size - 4 evaluates to a large number in that | |
487 | * case. | |
488 | */ | |
84b5dbf3 MCC |
489 | if (buffer_size < 4) { |
490 | *p_bytes_used = buffer_size; | |
491 | return 0; | |
492 | } | |
e0d3bafd | 493 | |
84b5dbf3 | 494 | for (i = 0; i < (buffer_size - 3); i++) { |
e0d3bafd | 495 | |
84b5dbf3 MCC |
496 | if ((p_buffer[i] == 0xFF) && |
497 | (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) { | |
e0d3bafd | 498 | |
84b5dbf3 MCC |
499 | *p_bytes_used = i + 4; |
500 | sav_eav = p_buffer[i + 3]; | |
501 | return sav_eav; | |
502 | } | |
503 | } | |
e0d3bafd | 504 | |
84b5dbf3 MCC |
505 | *p_bytes_used = buffer_size; |
506 | return 0; | |
507 | } | |
e0d3bafd | 508 | |
cde4362f MCC |
509 | u32 cx231xx_get_video_line(struct cx231xx *dev, |
510 | struct cx231xx_dmaqueue *dma_q, u8 sav_eav, | |
511 | u8 *p_buffer, u32 buffer_size) | |
84b5dbf3 MCC |
512 | { |
513 | u32 bytes_copied = 0; | |
514 | int current_field = -1; | |
515 | ||
516 | switch (sav_eav) { | |
517 | case SAV_ACTIVE_VIDEO_FIELD1: | |
cde4362f MCC |
518 | /* looking for skipped line which occurred in PAL 720x480 mode. |
519 | In this case, there will be no active data contained | |
520 | between the SAV and EAV */ | |
521 | if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && | |
522 | (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
523 | ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || | |
524 | (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
525 | (p_buffer[3] == EAV_VBLANK_FIELD1) || | |
526 | (p_buffer[3] == EAV_VBLANK_FIELD2))) | |
84b5dbf3 | 527 | return bytes_copied; |
84b5dbf3 MCC |
528 | current_field = 1; |
529 | break; | |
e0d3bafd | 530 | |
84b5dbf3 | 531 | case SAV_ACTIVE_VIDEO_FIELD2: |
cde4362f MCC |
532 | /* looking for skipped line which occurred in PAL 720x480 mode. |
533 | In this case, there will be no active data contained between | |
534 | the SAV and EAV */ | |
535 | if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && | |
536 | (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
537 | ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || | |
538 | (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
539 | (p_buffer[3] == EAV_VBLANK_FIELD1) || | |
540 | (p_buffer[3] == EAV_VBLANK_FIELD2))) | |
84b5dbf3 | 541 | return bytes_copied; |
84b5dbf3 MCC |
542 | current_field = 2; |
543 | break; | |
544 | } | |
e0d3bafd | 545 | |
84b5dbf3 | 546 | dma_q->last_sav = sav_eav; |
e0d3bafd | 547 | |
cde4362f MCC |
548 | bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer, |
549 | buffer_size, current_field); | |
84b5dbf3 MCC |
550 | |
551 | return bytes_copied; | |
e0d3bafd SD |
552 | } |
553 | ||
cde4362f MCC |
554 | u32 cx231xx_copy_video_line(struct cx231xx *dev, |
555 | struct cx231xx_dmaqueue *dma_q, u8 *p_line, | |
84b5dbf3 | 556 | u32 length, int field_number) |
e0d3bafd | 557 | { |
84b5dbf3 MCC |
558 | u32 bytes_to_copy; |
559 | struct cx231xx_buffer *buf; | |
560 | u32 _line_size = dev->width * 2; | |
e0d3bafd | 561 | |
cde4362f | 562 | if (dma_q->current_field != field_number) |
84b5dbf3 | 563 | cx231xx_reset_video_buffer(dev, dma_q); |
e0d3bafd | 564 | |
84b5dbf3 | 565 | /* get the buffer pointer */ |
64fbf444 PB |
566 | if (dev->USE_ISO) |
567 | buf = dev->video_mode.isoc_ctl.buf; | |
568 | else | |
569 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 570 | |
84b5dbf3 MCC |
571 | /* Remember the field number for next time */ |
572 | dma_q->current_field = field_number; | |
e0d3bafd | 573 | |
84b5dbf3 MCC |
574 | bytes_to_copy = dma_q->bytes_left_in_line; |
575 | if (bytes_to_copy > length) | |
576 | bytes_to_copy = length; | |
e0d3bafd | 577 | |
84b5dbf3 MCC |
578 | if (dma_q->lines_completed >= dma_q->lines_per_field) { |
579 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
cde4362f MCC |
580 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ? |
581 | 0 : 1; | |
84b5dbf3 MCC |
582 | return 0; |
583 | } | |
e0d3bafd | 584 | |
84b5dbf3 | 585 | dma_q->is_partial_line = 1; |
e0d3bafd | 586 | |
84b5dbf3 MCC |
587 | /* If we don't have a buffer, just return the number of bytes we would |
588 | have copied if we had a buffer. */ | |
589 | if (!buf) { | |
590 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
cde4362f MCC |
591 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) |
592 | ? 0 : 1; | |
84b5dbf3 MCC |
593 | return bytes_to_copy; |
594 | } | |
e0d3bafd | 595 | |
84b5dbf3 MCC |
596 | /* copy the data to video buffer */ |
597 | cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy); | |
e0d3bafd | 598 | |
84b5dbf3 MCC |
599 | dma_q->pos += bytes_to_copy; |
600 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
e0d3bafd | 601 | |
84b5dbf3 | 602 | if (dma_q->bytes_left_in_line == 0) { |
84b5dbf3 MCC |
603 | dma_q->bytes_left_in_line = _line_size; |
604 | dma_q->lines_completed++; | |
605 | dma_q->is_partial_line = 0; | |
e0d3bafd | 606 | |
84b5dbf3 | 607 | if (cx231xx_is_buffer_done(dev, dma_q) && buf) { |
84b5dbf3 | 608 | buffer_filled(dev, dma_q, buf); |
e0d3bafd | 609 | |
84b5dbf3 MCC |
610 | dma_q->pos = 0; |
611 | buf = NULL; | |
612 | dma_q->lines_completed = 0; | |
613 | } | |
614 | } | |
e0d3bafd | 615 | |
84b5dbf3 | 616 | return bytes_to_copy; |
e0d3bafd SD |
617 | } |
618 | ||
84b5dbf3 MCC |
619 | void cx231xx_reset_video_buffer(struct cx231xx *dev, |
620 | struct cx231xx_dmaqueue *dma_q) | |
e0d3bafd | 621 | { |
84b5dbf3 | 622 | struct cx231xx_buffer *buf; |
e0d3bafd | 623 | |
84b5dbf3 MCC |
624 | /* handle the switch from field 1 to field 2 */ |
625 | if (dma_q->current_field == 1) { | |
cde4362f | 626 | if (dma_q->lines_completed >= dma_q->lines_per_field) |
84b5dbf3 | 627 | dma_q->field1_done = 1; |
cde4362f | 628 | else |
84b5dbf3 | 629 | dma_q->field1_done = 0; |
84b5dbf3 | 630 | } |
e0d3bafd | 631 | |
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 | 637 | if (buf == NULL) { |
84b5dbf3 MCC |
638 | /* first try to get the buffer */ |
639 | get_next_buf(dma_q, &buf); | |
e0d3bafd | 640 | |
84b5dbf3 MCC |
641 | dma_q->pos = 0; |
642 | dma_q->field1_done = 0; | |
643 | dma_q->current_field = -1; | |
644 | } | |
e0d3bafd | 645 | |
84b5dbf3 MCC |
646 | /* reset the counters */ |
647 | dma_q->bytes_left_in_line = dev->width << 1; | |
648 | dma_q->lines_completed = 0; | |
e0d3bafd SD |
649 | } |
650 | ||
651 | int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | |
cde4362f | 652 | u8 *p_buffer, u32 bytes_to_copy) |
e0d3bafd | 653 | { |
84b5dbf3 MCC |
654 | u8 *p_out_buffer = NULL; |
655 | u32 current_line_bytes_copied = 0; | |
656 | struct cx231xx_buffer *buf; | |
657 | u32 _line_size = dev->width << 1; | |
658 | void *startwrite; | |
659 | int offset, lencopy; | |
e0d3bafd | 660 | |
64fbf444 PB |
661 | if (dev->USE_ISO) |
662 | buf = dev->video_mode.isoc_ctl.buf; | |
663 | else | |
664 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 665 | |
84b5dbf3 MCC |
666 | if (buf == NULL) |
667 | return -1; | |
e0d3bafd SD |
668 | |
669 | p_out_buffer = videobuf_to_vmalloc(&buf->vb); | |
670 | ||
84b5dbf3 | 671 | current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line; |
e0d3bafd | 672 | |
84b5dbf3 MCC |
673 | /* Offset field 2 one line from the top of the buffer */ |
674 | offset = (dma_q->current_field == 1) ? 0 : _line_size; | |
e0d3bafd | 675 | |
84b5dbf3 MCC |
676 | /* Offset for field 2 */ |
677 | startwrite = p_out_buffer + offset; | |
e0d3bafd | 678 | |
84b5dbf3 MCC |
679 | /* lines already completed in the current field */ |
680 | startwrite += (dma_q->lines_completed * _line_size * 2); | |
e0d3bafd | 681 | |
84b5dbf3 MCC |
682 | /* bytes already completed in the current line */ |
683 | startwrite += current_line_bytes_copied; | |
e0d3bafd | 684 | |
cde4362f MCC |
685 | lencopy = dma_q->bytes_left_in_line > bytes_to_copy ? |
686 | bytes_to_copy : dma_q->bytes_left_in_line; | |
e0d3bafd | 687 | |
cde4362f | 688 | if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size)) |
84b5dbf3 | 689 | return 0; |
e0d3bafd | 690 | |
84b5dbf3 MCC |
691 | /* The below copies the UYVY data straight into video buffer */ |
692 | cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy); | |
e0d3bafd | 693 | |
84b5dbf3 | 694 | return 0; |
e0d3bafd SD |
695 | } |
696 | ||
cde4362f | 697 | void cx231xx_swab(u16 *from, u16 *to, u16 len) |
e0d3bafd | 698 | { |
84b5dbf3 | 699 | u16 i; |
e0d3bafd | 700 | |
84b5dbf3 MCC |
701 | if (len <= 0) |
702 | return; | |
e0d3bafd | 703 | |
cde4362f | 704 | for (i = 0; i < len / 2; i++) |
84b5dbf3 | 705 | to[i] = (from[i] << 8) | (from[i] >> 8); |
e0d3bafd SD |
706 | } |
707 | ||
84b5dbf3 | 708 | u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q) |
e0d3bafd | 709 | { |
84b5dbf3 | 710 | u8 buffer_complete = 0; |
e0d3bafd | 711 | |
84b5dbf3 | 712 | /* Dual field stream */ |
cde4362f MCC |
713 | buffer_complete = ((dma_q->current_field == 2) && |
714 | (dma_q->lines_completed >= dma_q->lines_per_field) && | |
715 | dma_q->field1_done); | |
e0d3bafd | 716 | |
84b5dbf3 | 717 | return buffer_complete; |
e0d3bafd SD |
718 | } |
719 | ||
e0d3bafd SD |
720 | /* ------------------------------------------------------------------ |
721 | Videobuf operations | |
722 | ------------------------------------------------------------------*/ | |
723 | ||
724 | static int | |
725 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
726 | { | |
727 | struct cx231xx_fh *fh = vq->priv_data; | |
84b5dbf3 | 728 | struct cx231xx *dev = fh->dev; |
e0d3bafd | 729 | |
cde4362f | 730 | *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3; |
e0d3bafd SD |
731 | if (0 == *count) |
732 | *count = CX231XX_DEF_BUF; | |
733 | ||
734 | if (*count < CX231XX_MIN_BUF) | |
735 | *count = CX231XX_MIN_BUF; | |
736 | ||
3d263114 MCC |
737 | |
738 | cx231xx_enable_analog_tuner(dev); | |
739 | ||
e0d3bafd SD |
740 | return 0; |
741 | } | |
742 | ||
743 | /* This is called *without* dev->slock held; please keep it that way */ | |
744 | static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf) | |
745 | { | |
84b5dbf3 MCC |
746 | struct cx231xx_fh *fh = vq->priv_data; |
747 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 748 | unsigned long flags = 0; |
cde4362f | 749 | |
09f2082e | 750 | BUG_ON(in_interrupt()); |
e0d3bafd SD |
751 | |
752 | /* We used to wait for the buffer to finish here, but this didn't work | |
753 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
754 | videobuf_queue_cancel marked it as finished for us. | |
755 | (Also, it could wedge forever if the hardware was misconfigured.) | |
756 | ||
757 | This should be safe; by the time we get here, the buffer isn't | |
758 | queued anymore. If we ever start marking the buffers as | |
759 | VIDEOBUF_ACTIVE, it won't be, though. | |
84b5dbf3 | 760 | */ |
e0d3bafd | 761 | spin_lock_irqsave(&dev->video_mode.slock, flags); |
64fbf444 PB |
762 | if (dev->USE_ISO) { |
763 | if (dev->video_mode.isoc_ctl.buf == buf) | |
764 | dev->video_mode.isoc_ctl.buf = NULL; | |
765 | } else { | |
766 | if (dev->video_mode.bulk_ctl.buf == buf) | |
767 | dev->video_mode.bulk_ctl.buf = NULL; | |
768 | } | |
e0d3bafd SD |
769 | spin_unlock_irqrestore(&dev->video_mode.slock, flags); |
770 | ||
771 | videobuf_vmalloc_free(&buf->vb); | |
772 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
773 | } | |
774 | ||
775 | static int | |
776 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
84b5dbf3 | 777 | enum v4l2_field field) |
e0d3bafd | 778 | { |
84b5dbf3 MCC |
779 | struct cx231xx_fh *fh = vq->priv_data; |
780 | struct cx231xx_buffer *buf = | |
781 | container_of(vb, struct cx231xx_buffer, vb); | |
782 | struct cx231xx *dev = fh->dev; | |
783 | int rc = 0, urb_init = 0; | |
e0d3bafd SD |
784 | |
785 | /* The only currently supported format is 16 bits/pixel */ | |
cde4362f MCC |
786 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth |
787 | + 7) >> 3; | |
84b5dbf3 | 788 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
e0d3bafd SD |
789 | return -EINVAL; |
790 | ||
84b5dbf3 | 791 | buf->vb.width = dev->width; |
e0d3bafd | 792 | buf->vb.height = dev->height; |
84b5dbf3 | 793 | buf->vb.field = field; |
e0d3bafd SD |
794 | |
795 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
796 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
797 | if (rc < 0) | |
798 | goto fail; | |
799 | } | |
800 | ||
64fbf444 PB |
801 | if (dev->USE_ISO) { |
802 | if (!dev->video_mode.isoc_ctl.num_bufs) | |
803 | urb_init = 1; | |
804 | } else { | |
805 | if (!dev->video_mode.bulk_ctl.num_bufs) | |
806 | urb_init = 1; | |
807 | } | |
336fea92 | 808 | dev_dbg(dev->dev, |
b7085c08 MCC |
809 | "urb_init=%d dev->video_mode.max_pkt_size=%d\n", |
810 | urb_init, dev->video_mode.max_pkt_size); | |
e0d3bafd | 811 | if (urb_init) { |
64fbf444 PB |
812 | dev->mode_tv = 0; |
813 | if (dev->USE_ISO) | |
814 | rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, | |
84b5dbf3 MCC |
815 | CX231XX_NUM_BUFS, |
816 | dev->video_mode.max_pkt_size, | |
817 | cx231xx_isoc_copy); | |
64fbf444 PB |
818 | else |
819 | rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS, | |
820 | CX231XX_NUM_BUFS, | |
821 | dev->video_mode.max_pkt_size, | |
822 | cx231xx_bulk_copy); | |
e0d3bafd SD |
823 | if (rc < 0) |
824 | goto fail; | |
825 | } | |
826 | ||
827 | buf->vb.state = VIDEOBUF_PREPARED; | |
0f0fa90b | 828 | |
e0d3bafd SD |
829 | return 0; |
830 | ||
cde4362f | 831 | fail: |
e0d3bafd SD |
832 | free_buffer(vq, buf); |
833 | return rc; | |
834 | } | |
835 | ||
84b5dbf3 | 836 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
e0d3bafd | 837 | { |
84b5dbf3 MCC |
838 | struct cx231xx_buffer *buf = |
839 | container_of(vb, struct cx231xx_buffer, vb); | |
840 | struct cx231xx_fh *fh = vq->priv_data; | |
841 | struct cx231xx *dev = fh->dev; | |
842 | struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; | |
e0d3bafd SD |
843 | |
844 | buf->vb.state = VIDEOBUF_QUEUED; | |
845 | list_add_tail(&buf->vb.queue, &vidq->active); | |
846 | ||
847 | } | |
848 | ||
849 | static void buffer_release(struct videobuf_queue *vq, | |
84b5dbf3 | 850 | struct videobuf_buffer *vb) |
e0d3bafd | 851 | { |
84b5dbf3 MCC |
852 | struct cx231xx_buffer *buf = |
853 | container_of(vb, struct cx231xx_buffer, vb); | |
854 | struct cx231xx_fh *fh = vq->priv_data; | |
855 | struct cx231xx *dev = (struct cx231xx *)fh->dev; | |
e0d3bafd SD |
856 | |
857 | cx231xx_isocdbg("cx231xx: called buffer_release\n"); | |
858 | ||
859 | free_buffer(vq, buf); | |
860 | } | |
861 | ||
862 | static struct videobuf_queue_ops cx231xx_video_qops = { | |
84b5dbf3 MCC |
863 | .buf_setup = buffer_setup, |
864 | .buf_prepare = buffer_prepare, | |
865 | .buf_queue = buffer_queue, | |
866 | .buf_release = buffer_release, | |
e0d3bafd SD |
867 | }; |
868 | ||
869 | /********************* v4l2 interface **************************************/ | |
870 | ||
e0d3bafd SD |
871 | void video_mux(struct cx231xx *dev, int index) |
872 | { | |
e0d3bafd SD |
873 | dev->video_input = index; |
874 | dev->ctl_ainput = INPUT(index)->amux; | |
875 | ||
84b5dbf3 | 876 | cx231xx_set_video_input_mux(dev, index); |
e0d3bafd | 877 | |
5325b427 | 878 | cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0); |
e0d3bafd | 879 | |
84b5dbf3 | 880 | cx231xx_set_audio_input(dev, dev->ctl_ainput); |
e0d3bafd | 881 | |
336fea92 | 882 | dev_dbg(dev->dev, "video_mux : %d\n", index); |
e0d3bafd | 883 | |
84b5dbf3 MCC |
884 | /* do mode control overrides if required */ |
885 | cx231xx_do_mode_ctrl_overrides(dev); | |
e0d3bafd SD |
886 | } |
887 | ||
888 | /* Usage lock check functions */ | |
889 | static int res_get(struct cx231xx_fh *fh) | |
890 | { | |
84b5dbf3 MCC |
891 | struct cx231xx *dev = fh->dev; |
892 | int rc = 0; | |
e0d3bafd SD |
893 | |
894 | /* This instance already has stream_on */ | |
895 | if (fh->stream_on) | |
896 | return rc; | |
897 | ||
84b5dbf3 MCC |
898 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
899 | if (dev->stream_on) | |
900 | return -EBUSY; | |
901 | dev->stream_on = 1; | |
902 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
903 | if (dev->vbi_stream_on) | |
904 | return -EBUSY; | |
905 | dev->vbi_stream_on = 1; | |
906 | } else | |
907 | return -EINVAL; | |
e0d3bafd | 908 | |
84b5dbf3 | 909 | fh->stream_on = 1; |
e0d3bafd SD |
910 | |
911 | return rc; | |
912 | } | |
913 | ||
914 | static int res_check(struct cx231xx_fh *fh) | |
915 | { | |
cde4362f | 916 | return fh->stream_on; |
e0d3bafd SD |
917 | } |
918 | ||
919 | static void res_free(struct cx231xx_fh *fh) | |
920 | { | |
84b5dbf3 | 921 | struct cx231xx *dev = fh->dev; |
e0d3bafd SD |
922 | |
923 | fh->stream_on = 0; | |
924 | ||
84b5dbf3 MCC |
925 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
926 | dev->stream_on = 0; | |
927 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
928 | dev->vbi_stream_on = 0; | |
e0d3bafd SD |
929 | } |
930 | ||
931 | static int check_dev(struct cx231xx *dev) | |
932 | { | |
933 | if (dev->state & DEV_DISCONNECTED) { | |
336fea92 | 934 | dev_err(dev->dev, "v4l2 ioctl: device not present\n"); |
e0d3bafd SD |
935 | return -ENODEV; |
936 | } | |
e0d3bafd SD |
937 | return 0; |
938 | } | |
939 | ||
e0d3bafd SD |
940 | /* ------------------------------------------------------------------ |
941 | IOCTL vidioc handling | |
942 | ------------------------------------------------------------------*/ | |
943 | ||
944 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 945 | struct v4l2_format *f) |
e0d3bafd | 946 | { |
84b5dbf3 MCC |
947 | struct cx231xx_fh *fh = priv; |
948 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 949 | |
e0d3bafd SD |
950 | f->fmt.pix.width = dev->width; |
951 | f->fmt.pix.height = dev->height; | |
1ebcad77 JP |
952 | f->fmt.pix.pixelformat = dev->format->fourcc; |
953 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; | |
84b5dbf3 | 954 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
e0d3bafd SD |
955 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
956 | ||
957 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
958 | ||
e0d3bafd SD |
959 | return 0; |
960 | } | |
961 | ||
962 | static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc) | |
963 | { | |
964 | unsigned int i; | |
965 | ||
966 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
967 | if (format[i].fourcc == fourcc) | |
968 | return &format[i]; | |
969 | ||
970 | return NULL; | |
971 | } | |
972 | ||
973 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 974 | struct v4l2_format *f) |
e0d3bafd | 975 | { |
84b5dbf3 MCC |
976 | struct cx231xx_fh *fh = priv; |
977 | struct cx231xx *dev = fh->dev; | |
9bd0e8d7 TP |
978 | unsigned int width = f->fmt.pix.width; |
979 | unsigned int height = f->fmt.pix.height; | |
84b5dbf3 MCC |
980 | unsigned int maxw = norm_maxw(dev); |
981 | unsigned int maxh = norm_maxh(dev); | |
84b5dbf3 | 982 | struct cx231xx_fmt *fmt; |
e0d3bafd SD |
983 | |
984 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
985 | if (!fmt) { | |
986 | cx231xx_videodbg("Fourcc format (%08x) invalid.\n", | |
84b5dbf3 | 987 | f->fmt.pix.pixelformat); |
e0d3bafd SD |
988 | return -EINVAL; |
989 | } | |
990 | ||
991 | /* width must even because of the YUYV format | |
992 | height must be even because of interlacing */ | |
9bd0e8d7 | 993 | v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0); |
e0d3bafd | 994 | |
e0d3bafd SD |
995 | f->fmt.pix.width = width; |
996 | f->fmt.pix.height = height; | |
997 | f->fmt.pix.pixelformat = fmt->fourcc; | |
8b735c13 | 998 | f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; |
e0d3bafd SD |
999 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; |
1000 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1001 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1002 | ||
1003 | return 0; | |
1004 | } | |
1005 | ||
1006 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 1007 | struct v4l2_format *f) |
e0d3bafd | 1008 | { |
84b5dbf3 MCC |
1009 | struct cx231xx_fh *fh = priv; |
1010 | struct cx231xx *dev = fh->dev; | |
1011 | int rc; | |
1012 | struct cx231xx_fmt *fmt; | |
ebf984bb HV |
1013 | struct v4l2_subdev_format format = { |
1014 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, | |
1015 | }; | |
e0d3bafd SD |
1016 | |
1017 | rc = check_dev(dev); | |
1018 | if (rc < 0) | |
1019 | return rc; | |
1020 | ||
84b5dbf3 | 1021 | vidioc_try_fmt_vid_cap(file, priv, f); |
e0d3bafd | 1022 | |
84b5dbf3 | 1023 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
643800d5 MCC |
1024 | if (!fmt) |
1025 | return -EINVAL; | |
e0d3bafd SD |
1026 | |
1027 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
336fea92 | 1028 | dev_err(dev->dev, "%s: queue busy\n", __func__); |
643800d5 | 1029 | return -EBUSY; |
e0d3bafd SD |
1030 | } |
1031 | ||
1032 | if (dev->stream_on && !fh->stream_on) { | |
336fea92 | 1033 | dev_err(dev->dev, |
b7085c08 | 1034 | "%s: device in use by another fh\n", __func__); |
643800d5 | 1035 | return -EBUSY; |
e0d3bafd SD |
1036 | } |
1037 | ||
1038 | /* set new image size */ | |
1039 | dev->width = f->fmt.pix.width; | |
1040 | dev->height = f->fmt.pix.height; | |
84b5dbf3 | 1041 | dev->format = fmt; |
e0d3bafd | 1042 | |
ebf984bb HV |
1043 | v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); |
1044 | call_all(dev, pad, set_fmt, NULL, &format); | |
1045 | v4l2_fill_pix_format(&f->fmt.pix, &format.format); | |
e0d3bafd | 1046 | |
e0d3bafd SD |
1047 | return rc; |
1048 | } | |
1049 | ||
64fbf444 | 1050 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) |
e0d3bafd | 1051 | { |
84b5dbf3 MCC |
1052 | struct cx231xx_fh *fh = priv; |
1053 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1054 | |
1055 | *id = dev->norm; | |
1056 | return 0; | |
1057 | } | |
1058 | ||
314527ac | 1059 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
e0d3bafd | 1060 | { |
84b5dbf3 MCC |
1061 | struct cx231xx_fh *fh = priv; |
1062 | struct cx231xx *dev = fh->dev; | |
ebf984bb HV |
1063 | struct v4l2_subdev_format format = { |
1064 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, | |
1065 | }; | |
84b5dbf3 | 1066 | int rc; |
e0d3bafd SD |
1067 | |
1068 | rc = check_dev(dev); | |
1069 | if (rc < 0) | |
1070 | return rc; | |
1071 | ||
314527ac | 1072 | if (dev->norm == norm) |
d61072a4 HV |
1073 | return 0; |
1074 | ||
1075 | if (videobuf_queue_is_busy(&fh->vb_vidq)) | |
1076 | return -EBUSY; | |
e0d3bafd | 1077 | |
314527ac | 1078 | dev->norm = norm; |
e0d3bafd | 1079 | |
e0d3bafd | 1080 | /* Adjusts width/height, if needed */ |
d61072a4 HV |
1081 | dev->width = 720; |
1082 | dev->height = (dev->norm & V4L2_STD_625_50) ? 576 : 480; | |
e0d3bafd | 1083 | |
8774bed9 | 1084 | call_all(dev, video, s_std, dev->norm); |
435b4f78 DH |
1085 | |
1086 | /* We need to reset basic properties in the decoder related to | |
1087 | resolution (since a standard change effects things like the number | |
1088 | of lines in VACT, etc) */ | |
ebf984bb HV |
1089 | format.format.code = MEDIA_BUS_FMT_FIXED; |
1090 | format.format.width = dev->width; | |
1091 | format.format.height = dev->height; | |
1092 | call_all(dev, pad, set_fmt, NULL, &format); | |
e0d3bafd | 1093 | |
84b5dbf3 MCC |
1094 | /* do mode control overrides */ |
1095 | cx231xx_do_mode_ctrl_overrides(dev); | |
e0d3bafd SD |
1096 | |
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | static const char *iname[] = { | |
1101 | [CX231XX_VMUX_COMPOSITE1] = "Composite1", | |
cde4362f | 1102 | [CX231XX_VMUX_SVIDEO] = "S-Video", |
e0d3bafd | 1103 | [CX231XX_VMUX_TELEVISION] = "Television", |
cde4362f MCC |
1104 | [CX231XX_VMUX_CABLE] = "Cable TV", |
1105 | [CX231XX_VMUX_DVB] = "DVB", | |
e0d3bafd SD |
1106 | }; |
1107 | ||
6168309a MCC |
1108 | void cx231xx_v4l2_create_entities(struct cx231xx *dev) |
1109 | { | |
1110 | #if defined(CONFIG_MEDIA_CONTROLLER) | |
1111 | int ret, i; | |
1112 | ||
1113 | /* Create entities for each input connector */ | |
1114 | for (i = 0; i < MAX_CX231XX_INPUT; i++) { | |
1115 | struct media_entity *ent = &dev->input_ent[i]; | |
1116 | ||
1117 | if (!INPUT(i)->type) | |
1118 | break; | |
1119 | ||
1120 | ent->name = iname[INPUT(i)->type]; | |
1121 | ent->flags = MEDIA_ENT_FL_CONNECTOR; | |
1122 | dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; | |
1123 | ||
1124 | switch (INPUT(i)->type) { | |
1125 | case CX231XX_VMUX_COMPOSITE1: | |
1126 | ent->function = MEDIA_ENT_F_CONN_COMPOSITE; | |
1127 | break; | |
1128 | case CX231XX_VMUX_SVIDEO: | |
1129 | ent->function = MEDIA_ENT_F_CONN_SVIDEO; | |
1130 | break; | |
1131 | case CX231XX_VMUX_TELEVISION: | |
1132 | case CX231XX_VMUX_CABLE: | |
1133 | case CX231XX_VMUX_DVB: | |
1134 | /* The DVB core will handle it */ | |
1135 | if (dev->tuner_type == TUNER_ABSENT) | |
1136 | continue; | |
06eeefe8 | 1137 | /* fall through */ |
22d50e9a | 1138 | default: /* just to shut up a gcc warning */ |
6168309a MCC |
1139 | ent->function = MEDIA_ENT_F_CONN_RF; |
1140 | break; | |
1141 | } | |
1142 | ||
1143 | ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); | |
1144 | if (ret < 0) | |
1145 | pr_err("failed to initialize input pad[%d]!\n", i); | |
1146 | ||
1147 | ret = media_device_register_entity(dev->media_dev, ent); | |
1148 | if (ret < 0) | |
1149 | pr_err("failed to register input entity %d!\n", i); | |
1150 | } | |
1151 | #endif | |
1152 | } | |
1153 | ||
b86d1544 | 1154 | int cx231xx_enum_input(struct file *file, void *priv, |
84b5dbf3 | 1155 | struct v4l2_input *i) |
e0d3bafd | 1156 | { |
84b5dbf3 MCC |
1157 | struct cx231xx_fh *fh = priv; |
1158 | struct cx231xx *dev = fh->dev; | |
de99d532 | 1159 | u32 gen_stat; |
e54560d9 AH |
1160 | unsigned int n; |
1161 | int ret; | |
e0d3bafd SD |
1162 | |
1163 | n = i->index; | |
1164 | if (n >= MAX_CX231XX_INPUT) | |
1165 | return -EINVAL; | |
1166 | if (0 == INPUT(n)->type) | |
1167 | return -EINVAL; | |
1168 | ||
1169 | i->index = n; | |
1170 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1171 | ||
1172 | strcpy(i->name, iname[INPUT(n)->type]); | |
1173 | ||
1174 | if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) || | |
84b5dbf3 | 1175 | (CX231XX_VMUX_CABLE == INPUT(n)->type)) |
e0d3bafd SD |
1176 | i->type = V4L2_INPUT_TYPE_TUNER; |
1177 | ||
60acf187 | 1178 | i->std = dev->vdev.tvnorms; |
e0d3bafd | 1179 | |
de99d532 DH |
1180 | /* If they are asking about the active input, read signal status */ |
1181 | if (n == dev->video_input) { | |
1182 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1183 | GEN_STAT, 2, &gen_stat, 4); | |
1184 | if (ret > 0) { | |
1185 | if ((gen_stat & FLD_VPRES) == 0x00) | |
1186 | i->status |= V4L2_IN_ST_NO_SIGNAL; | |
1187 | if ((gen_stat & FLD_HLOCK) == 0x00) | |
1188 | i->status |= V4L2_IN_ST_NO_H_LOCK; | |
1189 | } | |
1190 | } | |
1191 | ||
e0d3bafd SD |
1192 | return 0; |
1193 | } | |
1194 | ||
b86d1544 | 1195 | int cx231xx_g_input(struct file *file, void *priv, unsigned int *i) |
e0d3bafd | 1196 | { |
84b5dbf3 MCC |
1197 | struct cx231xx_fh *fh = priv; |
1198 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1199 | |
1200 | *i = dev->video_input; | |
1201 | ||
1202 | return 0; | |
1203 | } | |
1204 | ||
b86d1544 | 1205 | int cx231xx_s_input(struct file *file, void *priv, unsigned int i) |
e0d3bafd | 1206 | { |
84b5dbf3 MCC |
1207 | struct cx231xx_fh *fh = priv; |
1208 | struct cx231xx *dev = fh->dev; | |
1209 | int rc; | |
e0d3bafd | 1210 | |
64fbf444 | 1211 | dev->mode_tv = 0; |
e0d3bafd SD |
1212 | rc = check_dev(dev); |
1213 | if (rc < 0) | |
1214 | return rc; | |
1215 | ||
1216 | if (i >= MAX_CX231XX_INPUT) | |
1217 | return -EINVAL; | |
1218 | if (0 == INPUT(i)->type) | |
1219 | return -EINVAL; | |
1220 | ||
e0d3bafd SD |
1221 | video_mux(dev, i); |
1222 | ||
c09d6695 DH |
1223 | if (INPUT(i)->type == CX231XX_VMUX_TELEVISION || |
1224 | INPUT(i)->type == CX231XX_VMUX_CABLE) { | |
1225 | /* There's a tuner, so reset the standard and put it on the | |
1226 | last known frequency (since it was probably powered down | |
1227 | until now */ | |
8774bed9 | 1228 | call_all(dev, video, s_std, dev->norm); |
c09d6695 DH |
1229 | } |
1230 | ||
e0d3bafd SD |
1231 | return 0; |
1232 | } | |
1233 | ||
b86d1544 | 1234 | int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd | 1235 | { |
84b5dbf3 MCC |
1236 | struct cx231xx_fh *fh = priv; |
1237 | struct cx231xx *dev = fh->dev; | |
1238 | int rc; | |
e0d3bafd SD |
1239 | |
1240 | rc = check_dev(dev); | |
1241 | if (rc < 0) | |
1242 | return rc; | |
1243 | ||
1244 | if (0 != t->index) | |
1245 | return -EINVAL; | |
1246 | ||
1247 | strcpy(t->name, "Tuner"); | |
1248 | ||
84b5dbf3 | 1249 | t->type = V4L2_TUNER_ANALOG_TV; |
e0d3bafd | 1250 | t->capability = V4L2_TUNER_CAP_NORM; |
84b5dbf3 MCC |
1251 | t->rangehigh = 0xffffffffUL; |
1252 | t->signal = 0xffff; /* LOCKED */ | |
b251f957 | 1253 | call_all(dev, tuner, g_tuner, t); |
e0d3bafd SD |
1254 | |
1255 | return 0; | |
1256 | } | |
1257 | ||
2f73c7c5 | 1258 | int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) |
e0d3bafd | 1259 | { |
84b5dbf3 MCC |
1260 | struct cx231xx_fh *fh = priv; |
1261 | struct cx231xx *dev = fh->dev; | |
1262 | int rc; | |
e0d3bafd SD |
1263 | |
1264 | rc = check_dev(dev); | |
1265 | if (rc < 0) | |
1266 | return rc; | |
1267 | ||
1268 | if (0 != t->index) | |
1269 | return -EINVAL; | |
1270 | #if 0 | |
b1196126 | 1271 | call_all(dev, tuner, s_tuner, t); |
e0d3bafd SD |
1272 | #endif |
1273 | return 0; | |
1274 | } | |
1275 | ||
b86d1544 | 1276 | int cx231xx_g_frequency(struct file *file, void *priv, |
84b5dbf3 | 1277 | struct v4l2_frequency *f) |
e0d3bafd | 1278 | { |
84b5dbf3 MCC |
1279 | struct cx231xx_fh *fh = priv; |
1280 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1281 | |
b251f957 HV |
1282 | if (f->tuner) |
1283 | return -EINVAL; | |
1284 | ||
e0d3bafd SD |
1285 | f->frequency = dev->ctl_freq; |
1286 | ||
e0d3bafd SD |
1287 | return 0; |
1288 | } | |
1289 | ||
b86d1544 | 1290 | int cx231xx_s_frequency(struct file *file, void *priv, |
b530a447 | 1291 | const struct v4l2_frequency *f) |
e0d3bafd | 1292 | { |
84b5dbf3 MCC |
1293 | struct cx231xx_fh *fh = priv; |
1294 | struct cx231xx *dev = fh->dev; | |
b530a447 | 1295 | struct v4l2_frequency new_freq = *f; |
84b5dbf3 | 1296 | int rc; |
64fbf444 PB |
1297 | u32 if_frequency = 5400000; |
1298 | ||
336fea92 | 1299 | dev_dbg(dev->dev, |
b7085c08 MCC |
1300 | "Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n", |
1301 | f->frequency, f->type); | |
e0d3bafd SD |
1302 | |
1303 | rc = check_dev(dev); | |
1304 | if (rc < 0) | |
1305 | return rc; | |
1306 | ||
1307 | if (0 != f->tuner) | |
1308 | return -EINVAL; | |
1309 | ||
84b5dbf3 MCC |
1310 | /* set pre channel change settings in DIF first */ |
1311 | rc = cx231xx_tuner_pre_channel_change(dev); | |
e0d3bafd | 1312 | |
64fbf444 | 1313 | call_all(dev, tuner, s_frequency, f); |
b530a447 HV |
1314 | call_all(dev, tuner, g_frequency, &new_freq); |
1315 | dev->ctl_freq = new_freq.frequency; | |
e0d3bafd | 1316 | |
84b5dbf3 MCC |
1317 | /* set post channel change settings in DIF first */ |
1318 | rc = cx231xx_tuner_post_channel_change(dev); | |
e0d3bafd | 1319 | |
64fbf444 PB |
1320 | if (dev->tuner_type == TUNER_NXP_TDA18271) { |
1321 | if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443)) | |
1322 | if_frequency = 5400000; /*5.4MHz */ | |
1323 | else if (dev->norm & V4L2_STD_B) | |
1324 | if_frequency = 6000000; /*6.0MHz */ | |
1325 | else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK)) | |
1326 | if_frequency = 6900000; /*6.9MHz */ | |
1327 | else if (dev->norm & V4L2_STD_GH) | |
1328 | if_frequency = 7100000; /*7.1MHz */ | |
1329 | else if (dev->norm & V4L2_STD_PAL_I) | |
1330 | if_frequency = 7250000; /*7.25MHz */ | |
1331 | else if (dev->norm & V4L2_STD_SECAM_L) | |
1332 | if_frequency = 6900000; /*6.9MHz */ | |
1333 | else if (dev->norm & V4L2_STD_SECAM_LC) | |
1334 | if_frequency = 1250000; /*1.25MHz */ | |
1335 | ||
336fea92 | 1336 | dev_dbg(dev->dev, |
b7085c08 | 1337 | "if_frequency is set to %d\n", if_frequency); |
64fbf444 PB |
1338 | cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1); |
1339 | ||
1340 | update_HH_register_after_set_DIF(dev); | |
1341 | } | |
1342 | ||
336fea92 | 1343 | dev_dbg(dev->dev, "Set New FREQUENCY to %d\n", f->frequency); |
e0d3bafd SD |
1344 | |
1345 | return rc; | |
1346 | } | |
1347 | ||
08fe9f7d HV |
1348 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1349 | ||
1350 | int cx231xx_g_chip_info(struct file *file, void *fh, | |
1351 | struct v4l2_dbg_chip_info *chip) | |
fddd14c8 | 1352 | { |
08fe9f7d HV |
1353 | switch (chip->match.addr) { |
1354 | case 0: /* Cx231xx - internal registers */ | |
1355 | return 0; | |
1356 | case 1: /* AFE - read byte */ | |
1357 | strlcpy(chip->name, "AFE (byte)", sizeof(chip->name)); | |
1358 | return 0; | |
1359 | case 2: /* Video Block - read byte */ | |
1360 | strlcpy(chip->name, "Video (byte)", sizeof(chip->name)); | |
1361 | return 0; | |
1362 | case 3: /* I2S block - read byte */ | |
1363 | strlcpy(chip->name, "I2S (byte)", sizeof(chip->name)); | |
1364 | return 0; | |
1365 | case 4: /* AFE - read dword */ | |
1366 | strlcpy(chip->name, "AFE (dword)", sizeof(chip->name)); | |
1367 | return 0; | |
1368 | case 5: /* Video Block - read dword */ | |
1369 | strlcpy(chip->name, "Video (dword)", sizeof(chip->name)); | |
1370 | return 0; | |
1371 | case 6: /* I2S Block - read dword */ | |
1372 | strlcpy(chip->name, "I2S (dword)", sizeof(chip->name)); | |
fddd14c8 HV |
1373 | return 0; |
1374 | } | |
1375 | return -EINVAL; | |
1376 | } | |
1377 | ||
b86d1544 | 1378 | int cx231xx_g_register(struct file *file, void *priv, |
e0d3bafd SD |
1379 | struct v4l2_dbg_register *reg) |
1380 | { | |
84b5dbf3 MCC |
1381 | struct cx231xx_fh *fh = priv; |
1382 | struct cx231xx *dev = fh->dev; | |
08fe9f7d | 1383 | int ret; |
84b5dbf3 MCC |
1384 | u8 value[4] = { 0, 0, 0, 0 }; |
1385 | u32 data = 0; | |
1386 | ||
08fe9f7d HV |
1387 | switch (reg->match.addr) { |
1388 | case 0: /* Cx231xx - internal registers */ | |
1389 | ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, | |
1390 | (u16)reg->reg, value, 4); | |
1391 | reg->val = value[0] | value[1] << 8 | | |
1392 | value[2] << 16 | value[3] << 24; | |
04ae4cf2 | 1393 | reg->size = 4; |
08fe9f7d HV |
1394 | break; |
1395 | case 1: /* AFE - read byte */ | |
1396 | ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1397 | (u16)reg->reg, 2, &data, 1); | |
1398 | reg->val = data; | |
04ae4cf2 | 1399 | reg->size = 1; |
08fe9f7d HV |
1400 | break; |
1401 | case 2: /* Video Block - read byte */ | |
1402 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1403 | (u16)reg->reg, 2, &data, 1); | |
1404 | reg->val = data; | |
04ae4cf2 | 1405 | reg->size = 1; |
08fe9f7d HV |
1406 | break; |
1407 | case 3: /* I2S block - read byte */ | |
1408 | ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1409 | (u16)reg->reg, 1, &data, 1); | |
1410 | reg->val = data; | |
04ae4cf2 | 1411 | reg->size = 1; |
08fe9f7d HV |
1412 | break; |
1413 | case 4: /* AFE - read dword */ | |
1414 | ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1415 | (u16)reg->reg, 2, &data, 4); | |
1416 | reg->val = data; | |
04ae4cf2 | 1417 | reg->size = 4; |
08fe9f7d HV |
1418 | break; |
1419 | case 5: /* Video Block - read dword */ | |
1420 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1421 | (u16)reg->reg, 2, &data, 4); | |
1422 | reg->val = data; | |
04ae4cf2 | 1423 | reg->size = 4; |
08fe9f7d HV |
1424 | break; |
1425 | case 6: /* I2S Block - read dword */ | |
1426 | ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1427 | (u16)reg->reg, 1, &data, 4); | |
1428 | reg->val = data; | |
04ae4cf2 | 1429 | reg->size = 4; |
08fe9f7d | 1430 | break; |
84b5dbf3 | 1431 | default: |
08fe9f7d | 1432 | return -EINVAL; |
84b5dbf3 | 1433 | } |
08fe9f7d | 1434 | return ret < 0 ? ret : 0; |
e0d3bafd SD |
1435 | } |
1436 | ||
b86d1544 | 1437 | int cx231xx_s_register(struct file *file, void *priv, |
977ba3b1 | 1438 | const struct v4l2_dbg_register *reg) |
e0d3bafd | 1439 | { |
84b5dbf3 MCC |
1440 | struct cx231xx_fh *fh = priv; |
1441 | struct cx231xx *dev = fh->dev; | |
08fe9f7d | 1442 | int ret; |
84b5dbf3 | 1443 | u8 data[4] = { 0, 0, 0, 0 }; |
e0d3bafd | 1444 | |
08fe9f7d HV |
1445 | switch (reg->match.addr) { |
1446 | case 0: /* cx231xx internal registers */ | |
1447 | data[0] = (u8) reg->val; | |
1448 | data[1] = (u8) (reg->val >> 8); | |
1449 | data[2] = (u8) (reg->val >> 16); | |
1450 | data[3] = (u8) (reg->val >> 24); | |
1451 | ret = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
1452 | (u16)reg->reg, data, 4); | |
1453 | break; | |
1454 | case 1: /* AFE - write byte */ | |
1455 | ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1456 | (u16)reg->reg, 2, reg->val, 1); | |
1457 | break; | |
1458 | case 2: /* Video Block - write byte */ | |
1459 | ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1460 | (u16)reg->reg, 2, reg->val, 1); | |
1461 | break; | |
1462 | case 3: /* I2S block - write byte */ | |
1463 | ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1464 | (u16)reg->reg, 1, reg->val, 1); | |
1465 | break; | |
1466 | case 4: /* AFE - write dword */ | |
1467 | ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1468 | (u16)reg->reg, 2, reg->val, 4); | |
1469 | break; | |
1470 | case 5: /* Video Block - write dword */ | |
1471 | ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1472 | (u16)reg->reg, 2, reg->val, 4); | |
84b5dbf3 | 1473 | break; |
08fe9f7d HV |
1474 | case 6: /* I2S block - write dword */ |
1475 | ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1476 | (u16)reg->reg, 1, reg->val, 4); | |
1477 | break; | |
1478 | default: | |
1479 | return -EINVAL; | |
84b5dbf3 | 1480 | } |
08fe9f7d | 1481 | return ret < 0 ? ret : 0; |
e0d3bafd SD |
1482 | } |
1483 | #endif | |
1484 | ||
e0d3bafd | 1485 | static int vidioc_cropcap(struct file *file, void *priv, |
84b5dbf3 | 1486 | struct v4l2_cropcap *cc) |
e0d3bafd | 1487 | { |
84b5dbf3 MCC |
1488 | struct cx231xx_fh *fh = priv; |
1489 | struct cx231xx *dev = fh->dev; | |
e25cb200 | 1490 | bool is_50hz = dev->norm & V4L2_STD_625_50; |
e0d3bafd SD |
1491 | |
1492 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1493 | return -EINVAL; | |
1494 | ||
1495 | cc->bounds.left = 0; | |
1496 | cc->bounds.top = 0; | |
1497 | cc->bounds.width = dev->width; | |
1498 | cc->bounds.height = dev->height; | |
1499 | cc->defrect = cc->bounds; | |
e25cb200 HV |
1500 | cc->pixelaspect.numerator = is_50hz ? 54 : 11; |
1501 | cc->pixelaspect.denominator = is_50hz ? 59 : 10; | |
e0d3bafd SD |
1502 | |
1503 | return 0; | |
1504 | } | |
1505 | ||
1506 | static int vidioc_streamon(struct file *file, void *priv, | |
84b5dbf3 | 1507 | enum v4l2_buf_type type) |
e0d3bafd | 1508 | { |
84b5dbf3 MCC |
1509 | struct cx231xx_fh *fh = priv; |
1510 | struct cx231xx *dev = fh->dev; | |
1511 | int rc; | |
e0d3bafd SD |
1512 | |
1513 | rc = check_dev(dev); | |
1514 | if (rc < 0) | |
1515 | return rc; | |
1516 | ||
e0d3bafd SD |
1517 | rc = res_get(fh); |
1518 | ||
1519 | if (likely(rc >= 0)) | |
1520 | rc = videobuf_streamon(&fh->vb_vidq); | |
1521 | ||
b1196126 SD |
1522 | call_all(dev, video, s_stream, 1); |
1523 | ||
e0d3bafd SD |
1524 | return rc; |
1525 | } | |
1526 | ||
1527 | static int vidioc_streamoff(struct file *file, void *priv, | |
84b5dbf3 | 1528 | enum v4l2_buf_type type) |
e0d3bafd | 1529 | { |
84b5dbf3 MCC |
1530 | struct cx231xx_fh *fh = priv; |
1531 | struct cx231xx *dev = fh->dev; | |
1532 | int rc; | |
e0d3bafd SD |
1533 | |
1534 | rc = check_dev(dev); | |
1535 | if (rc < 0) | |
1536 | return rc; | |
1537 | ||
e0d3bafd SD |
1538 | if (type != fh->type) |
1539 | return -EINVAL; | |
1540 | ||
b1196126 SD |
1541 | cx25840_call(dev, video, s_stream, 0); |
1542 | ||
e0d3bafd SD |
1543 | videobuf_streamoff(&fh->vb_vidq); |
1544 | res_free(fh); | |
1545 | ||
e0d3bafd SD |
1546 | return 0; |
1547 | } | |
1548 | ||
bc08734c | 1549 | int cx231xx_querycap(struct file *file, void *priv, |
84b5dbf3 | 1550 | struct v4l2_capability *cap) |
e0d3bafd | 1551 | { |
4bc837d4 | 1552 | struct video_device *vdev = video_devdata(file); |
84b5dbf3 MCC |
1553 | struct cx231xx_fh *fh = priv; |
1554 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1555 | |
1556 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); | |
1557 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); | |
2c6beca8 | 1558 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
e0d3bafd | 1559 | |
530e01e7 HV |
1560 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
1561 | cap->device_caps = V4L2_CAP_RADIO; | |
1562 | else { | |
06c46003 | 1563 | cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; |
530e01e7 HV |
1564 | if (vdev->vfl_type == VFL_TYPE_VBI) |
1565 | cap->device_caps |= V4L2_CAP_VBI_CAPTURE; | |
1566 | else | |
1567 | cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; | |
1568 | } | |
e0d3bafd | 1569 | if (dev->tuner_type != TUNER_ABSENT) |
4bc837d4 | 1570 | cap->device_caps |= V4L2_CAP_TUNER; |
06c46003 | 1571 | cap->capabilities = cap->device_caps | V4L2_CAP_READWRITE | |
4bc837d4 | 1572 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE | |
530e01e7 | 1573 | V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS; |
60acf187 | 1574 | if (video_is_registered(&dev->radio_dev)) |
530e01e7 | 1575 | cap->capabilities |= V4L2_CAP_RADIO; |
e0d3bafd SD |
1576 | |
1577 | return 0; | |
1578 | } | |
1579 | ||
84b5dbf3 MCC |
1580 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
1581 | struct v4l2_fmtdesc *f) | |
e0d3bafd | 1582 | { |
84b5dbf3 | 1583 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
e0d3bafd SD |
1584 | return -EINVAL; |
1585 | ||
1586 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); | |
1587 | f->pixelformat = format[f->index].fourcc; | |
1588 | ||
1589 | return 0; | |
1590 | } | |
1591 | ||
e0d3bafd SD |
1592 | /* RAW VBI ioctls */ |
1593 | ||
1594 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1595 | struct v4l2_format *f) |
e0d3bafd | 1596 | { |
84b5dbf3 MCC |
1597 | struct cx231xx_fh *fh = priv; |
1598 | struct cx231xx *dev = fh->dev; | |
6264722c | 1599 | |
adc0356e | 1600 | f->fmt.vbi.sampling_rate = 6750000 * 4; |
e0d3bafd SD |
1601 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
1602 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
adc0356e | 1603 | f->fmt.vbi.offset = 0; |
e0d3bafd | 1604 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1605 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
e0d3bafd | 1606 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1607 | PAL_VBI_LINES : NTSC_VBI_LINES; |
e0d3bafd | 1608 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1609 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
e0d3bafd | 1610 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
6264722c | 1611 | memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); |
e0d3bafd SD |
1612 | |
1613 | return 0; | |
1614 | ||
1615 | } | |
1616 | ||
1617 | static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1618 | struct v4l2_format *f) |
e0d3bafd | 1619 | { |
84b5dbf3 MCC |
1620 | struct cx231xx_fh *fh = priv; |
1621 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1622 | |
adc0356e | 1623 | f->fmt.vbi.sampling_rate = 6750000 * 4; |
e0d3bafd SD |
1624 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
1625 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
adc0356e | 1626 | f->fmt.vbi.offset = 0; |
e0d3bafd SD |
1627 | f->fmt.vbi.flags = 0; |
1628 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? | |
84b5dbf3 | 1629 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
e0d3bafd | 1630 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1631 | PAL_VBI_LINES : NTSC_VBI_LINES; |
e0d3bafd | 1632 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1633 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
e0d3bafd | 1634 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
6264722c | 1635 | memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); |
e0d3bafd SD |
1636 | |
1637 | return 0; | |
1638 | ||
1639 | } | |
1640 | ||
6264722c HV |
1641 | static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, |
1642 | struct v4l2_format *f) | |
1643 | { | |
1644 | struct cx231xx_fh *fh = priv; | |
1645 | struct cx231xx *dev = fh->dev; | |
1646 | ||
1647 | if (dev->vbi_stream_on && !fh->stream_on) { | |
336fea92 | 1648 | dev_err(dev->dev, |
b7085c08 | 1649 | "%s device in use by another fh\n", __func__); |
6264722c HV |
1650 | return -EBUSY; |
1651 | } | |
1652 | return vidioc_try_fmt_vbi_cap(file, priv, f); | |
1653 | } | |
1654 | ||
e0d3bafd SD |
1655 | static int vidioc_reqbufs(struct file *file, void *priv, |
1656 | struct v4l2_requestbuffers *rb) | |
1657 | { | |
84b5dbf3 MCC |
1658 | struct cx231xx_fh *fh = priv; |
1659 | struct cx231xx *dev = fh->dev; | |
1660 | int rc; | |
e0d3bafd SD |
1661 | |
1662 | rc = check_dev(dev); | |
1663 | if (rc < 0) | |
1664 | return rc; | |
1665 | ||
cde4362f | 1666 | return videobuf_reqbufs(&fh->vb_vidq, rb); |
e0d3bafd SD |
1667 | } |
1668 | ||
84b5dbf3 | 1669 | static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) |
e0d3bafd | 1670 | { |
84b5dbf3 MCC |
1671 | struct cx231xx_fh *fh = priv; |
1672 | struct cx231xx *dev = fh->dev; | |
1673 | int rc; | |
e0d3bafd SD |
1674 | |
1675 | rc = check_dev(dev); | |
1676 | if (rc < 0) | |
1677 | return rc; | |
1678 | ||
cde4362f | 1679 | return videobuf_querybuf(&fh->vb_vidq, b); |
e0d3bafd SD |
1680 | } |
1681 | ||
1682 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1683 | { | |
84b5dbf3 MCC |
1684 | struct cx231xx_fh *fh = priv; |
1685 | struct cx231xx *dev = fh->dev; | |
1686 | int rc; | |
e0d3bafd SD |
1687 | |
1688 | rc = check_dev(dev); | |
1689 | if (rc < 0) | |
1690 | return rc; | |
1691 | ||
cde4362f | 1692 | return videobuf_qbuf(&fh->vb_vidq, b); |
e0d3bafd SD |
1693 | } |
1694 | ||
1695 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1696 | { | |
84b5dbf3 MCC |
1697 | struct cx231xx_fh *fh = priv; |
1698 | struct cx231xx *dev = fh->dev; | |
1699 | int rc; | |
e0d3bafd SD |
1700 | |
1701 | rc = check_dev(dev); | |
1702 | if (rc < 0) | |
1703 | return rc; | |
1704 | ||
cde4362f | 1705 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); |
e0d3bafd SD |
1706 | } |
1707 | ||
e0d3bafd SD |
1708 | /* ----------------------------------------------------------- */ |
1709 | /* RADIO ESPECIFIC IOCTLS */ | |
1710 | /* ----------------------------------------------------------- */ | |
1711 | ||
84b5dbf3 | 1712 | static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd SD |
1713 | { |
1714 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
1715 | ||
530e01e7 | 1716 | if (t->index) |
e0d3bafd SD |
1717 | return -EINVAL; |
1718 | ||
1719 | strcpy(t->name, "Radio"); | |
e0d3bafd | 1720 | |
530e01e7 | 1721 | call_all(dev, tuner, g_tuner, t); |
e0d3bafd | 1722 | |
e0d3bafd SD |
1723 | return 0; |
1724 | } | |
2f73c7c5 | 1725 | static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) |
e0d3bafd SD |
1726 | { |
1727 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
1728 | ||
b86d1544 | 1729 | if (t->index) |
e0d3bafd SD |
1730 | return -EINVAL; |
1731 | ||
b1196126 | 1732 | call_all(dev, tuner, s_tuner, t); |
e0d3bafd SD |
1733 | |
1734 | return 0; | |
1735 | } | |
1736 | ||
e0d3bafd SD |
1737 | /* |
1738 | * cx231xx_v4l2_open() | |
1739 | * inits the device and starts isoc transfer | |
1740 | */ | |
1741 | static int cx231xx_v4l2_open(struct file *filp) | |
1742 | { | |
4df16f70 | 1743 | int radio = 0; |
63b0d5ad LP |
1744 | struct video_device *vdev = video_devdata(filp); |
1745 | struct cx231xx *dev = video_drvdata(filp); | |
e0d3bafd SD |
1746 | struct cx231xx_fh *fh; |
1747 | enum v4l2_buf_type fh_type = 0; | |
1748 | ||
63b0d5ad LP |
1749 | switch (vdev->vfl_type) { |
1750 | case VFL_TYPE_GRABBER: | |
1751 | fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1752 | break; | |
1753 | case VFL_TYPE_VBI: | |
1754 | fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1755 | break; | |
1756 | case VFL_TYPE_RADIO: | |
1757 | radio = 1; | |
1758 | break; | |
1759 | } | |
e0d3bafd | 1760 | |
50462eb0 LP |
1761 | cx231xx_videodbg("open dev=%s type=%s users=%d\n", |
1762 | video_device_node_name(vdev), v4l2_type_names[fh_type], | |
1763 | dev->users); | |
e0d3bafd SD |
1764 | |
1765 | #if 0 | |
1766 | errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
1767 | if (errCode < 0) { | |
336fea92 | 1768 | dev_err(dev->dev, |
b7085c08 | 1769 | "Device locked on digital mode. Can't open analog\n"); |
e0d3bafd SD |
1770 | return -EBUSY; |
1771 | } | |
1772 | #endif | |
1773 | ||
1774 | fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL); | |
b7085c08 | 1775 | if (!fh) |
e0d3bafd | 1776 | return -ENOMEM; |
1f7e073d HV |
1777 | if (mutex_lock_interruptible(&dev->lock)) { |
1778 | kfree(fh); | |
1779 | return -ERESTARTSYS; | |
1780 | } | |
e0d3bafd | 1781 | fh->dev = dev; |
e0d3bafd SD |
1782 | fh->type = fh_type; |
1783 | filp->private_data = fh; | |
1d08a4fa | 1784 | v4l2_fh_init(&fh->fh, vdev); |
e0d3bafd SD |
1785 | |
1786 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { | |
84b5dbf3 | 1787 | /* Power up in Analog TV mode */ |
2f861387 | 1788 | if (dev->board.external_av) |
64fbf444 PB |
1789 | cx231xx_set_power_mode(dev, |
1790 | POLARIS_AVMODE_ENXTERNAL_AV); | |
1791 | else | |
1792 | cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); | |
e0d3bafd SD |
1793 | |
1794 | #if 0 | |
1795 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
1796 | #endif | |
e0d3bafd | 1797 | |
84b5dbf3 MCC |
1798 | /* set video alternate setting */ |
1799 | cx231xx_set_video_alternate(dev); | |
e0d3bafd SD |
1800 | |
1801 | /* Needed, since GPIO might have disabled power of | |
1802 | some i2c device */ | |
1803 | cx231xx_config_i2c(dev); | |
1804 | ||
1805 | /* device needs to be initialized before isoc transfer */ | |
84b5dbf3 | 1806 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; |
e0d3bafd SD |
1807 | |
1808 | } | |
71590765 | 1809 | if (radio) { |
e0d3bafd SD |
1810 | cx231xx_videodbg("video_open: setting radio device\n"); |
1811 | ||
1812 | /* cx231xx_start_radio(dev); */ | |
1813 | ||
b1196126 | 1814 | call_all(dev, tuner, s_radio); |
e0d3bafd SD |
1815 | } |
1816 | ||
1817 | dev->users++; | |
1818 | ||
cde4362f MCC |
1819 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1820 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops, | |
1821 | NULL, &dev->video_mode.slock, | |
1822 | fh->type, V4L2_FIELD_INTERLACED, | |
08bff03e | 1823 | sizeof(struct cx231xx_buffer), |
643800d5 | 1824 | fh, &dev->lock); |
84b5dbf3 | 1825 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
cde4362f MCC |
1826 | /* Set the required alternate setting VBI interface works in |
1827 | Bulk mode only */ | |
2f861387 | 1828 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
e0d3bafd | 1829 | |
cde4362f MCC |
1830 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops, |
1831 | NULL, &dev->vbi_mode.slock, | |
1832 | fh->type, V4L2_FIELD_SEQ_TB, | |
08bff03e | 1833 | sizeof(struct cx231xx_buffer), |
643800d5 | 1834 | fh, &dev->lock); |
84b5dbf3 | 1835 | } |
1f7e073d | 1836 | mutex_unlock(&dev->lock); |
1d08a4fa | 1837 | v4l2_fh_add(&fh->fh); |
e0d3bafd | 1838 | |
4df16f70 | 1839 | return 0; |
e0d3bafd SD |
1840 | } |
1841 | ||
1842 | /* | |
1843 | * cx231xx_realease_resources() | |
1844 | * unregisters the v4l2,i2c and usb devices | |
1845 | * called when the device gets disconected or at module unload | |
1846 | */ | |
1847 | void cx231xx_release_analog_resources(struct cx231xx *dev) | |
1848 | { | |
1849 | ||
1850 | /*FIXME: I2C IR should be disconnected */ | |
1851 | ||
60acf187 HV |
1852 | if (video_is_registered(&dev->radio_dev)) |
1853 | video_unregister_device(&dev->radio_dev); | |
1854 | if (video_is_registered(&dev->vbi_dev)) { | |
336fea92 | 1855 | dev_info(dev->dev, "V4L2 device %s deregistered\n", |
60acf187 HV |
1856 | video_device_node_name(&dev->vbi_dev)); |
1857 | video_unregister_device(&dev->vbi_dev); | |
e0d3bafd | 1858 | } |
60acf187 | 1859 | if (video_is_registered(&dev->vdev)) { |
336fea92 | 1860 | dev_info(dev->dev, "V4L2 device %s deregistered\n", |
60acf187 | 1861 | video_device_node_name(&dev->vdev)); |
64fbf444 | 1862 | |
2f861387 | 1863 | if (dev->board.has_417) |
64fbf444 PB |
1864 | cx231xx_417_unregister(dev); |
1865 | ||
60acf187 | 1866 | video_unregister_device(&dev->vdev); |
e0d3bafd | 1867 | } |
d2370f8e HV |
1868 | v4l2_ctrl_handler_free(&dev->ctrl_handler); |
1869 | v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); | |
e0d3bafd SD |
1870 | } |
1871 | ||
1872 | /* | |
1f7e073d | 1873 | * cx231xx_close() |
e0d3bafd SD |
1874 | * stops streaming and deallocates all resources allocated by the v4l2 |
1875 | * calls and ioctls | |
1876 | */ | |
1f7e073d | 1877 | static int cx231xx_close(struct file *filp) |
e0d3bafd | 1878 | { |
84b5dbf3 MCC |
1879 | struct cx231xx_fh *fh = filp->private_data; |
1880 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1881 | |
1882 | cx231xx_videodbg("users=%d\n", dev->users); | |
1883 | ||
64fbf444 | 1884 | cx231xx_videodbg("users=%d\n", dev->users); |
e0d3bafd SD |
1885 | if (res_check(fh)) |
1886 | res_free(fh); | |
1887 | ||
2f861387 MCC |
1888 | /* |
1889 | * To workaround error number=-71 on EP0 for VideoGrabber, | |
1890 | * need exclude following. | |
1891 | * FIXME: It is probably safe to remove most of these, as we're | |
1892 | * now avoiding the alternate setting for INDEX_VANC | |
1893 | */ | |
1894 | if (!dev->board.no_alt_vanc) | |
64fbf444 PB |
1895 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
1896 | videobuf_stop(&fh->vb_vidq); | |
1897 | videobuf_mmap_free(&fh->vb_vidq); | |
1898 | ||
1899 | /* the device is already disconnect, | |
1900 | free the remaining resources */ | |
1901 | if (dev->state & DEV_DISCONNECTED) { | |
1902 | if (atomic_read(&dev->devlist_count) > 0) { | |
1903 | cx231xx_release_resources(dev); | |
266e8ae3 | 1904 | fh->dev = NULL; |
64fbf444 PB |
1905 | return 0; |
1906 | } | |
64fbf444 PB |
1907 | return 0; |
1908 | } | |
84b5dbf3 | 1909 | |
64fbf444 PB |
1910 | /* do this before setting alternate! */ |
1911 | cx231xx_uninit_vbi_isoc(dev); | |
1912 | ||
1913 | /* set alternate 0 */ | |
1914 | if (!dev->vbi_or_sliced_cc_mode) | |
1915 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); | |
1916 | else | |
1917 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); | |
1918 | ||
1d08a4fa HV |
1919 | v4l2_fh_del(&fh->fh); |
1920 | v4l2_fh_exit(&fh->fh); | |
64fbf444 PB |
1921 | kfree(fh); |
1922 | dev->users--; | |
543409a2 | 1923 | wake_up_interruptible(&dev->open); |
84b5dbf3 MCC |
1924 | return 0; |
1925 | } | |
1926 | ||
1d08a4fa | 1927 | v4l2_fh_del(&fh->fh); |
990862a2 MCC |
1928 | dev->users--; |
1929 | if (!dev->users) { | |
e0d3bafd SD |
1930 | videobuf_stop(&fh->vb_vidq); |
1931 | videobuf_mmap_free(&fh->vb_vidq); | |
1932 | ||
1933 | /* the device is already disconnect, | |
1934 | free the remaining resources */ | |
1935 | if (dev->state & DEV_DISCONNECTED) { | |
1936 | cx231xx_release_resources(dev); | |
266e8ae3 | 1937 | fh->dev = NULL; |
e0d3bafd SD |
1938 | return 0; |
1939 | } | |
1940 | ||
84b5dbf3 | 1941 | /* Save some power by putting tuner to sleep */ |
622b828a | 1942 | call_all(dev, core, s_power, 0); |
e0d3bafd SD |
1943 | |
1944 | /* do this before setting alternate! */ | |
64fbf444 PB |
1945 | if (dev->USE_ISO) |
1946 | cx231xx_uninit_isoc(dev); | |
1947 | else | |
1948 | cx231xx_uninit_bulk(dev); | |
e0d3bafd SD |
1949 | cx231xx_set_mode(dev, CX231XX_SUSPEND); |
1950 | ||
1951 | /* set alternate 0 */ | |
1952 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); | |
1953 | } | |
1d08a4fa | 1954 | v4l2_fh_exit(&fh->fh); |
e0d3bafd | 1955 | kfree(fh); |
543409a2 | 1956 | wake_up_interruptible(&dev->open); |
e0d3bafd SD |
1957 | return 0; |
1958 | } | |
1959 | ||
1f7e073d HV |
1960 | static int cx231xx_v4l2_close(struct file *filp) |
1961 | { | |
1962 | struct cx231xx_fh *fh = filp->private_data; | |
1963 | struct cx231xx *dev = fh->dev; | |
1964 | int rc; | |
1965 | ||
1966 | mutex_lock(&dev->lock); | |
1967 | rc = cx231xx_close(filp); | |
1968 | mutex_unlock(&dev->lock); | |
1969 | return rc; | |
1970 | } | |
1971 | ||
e0d3bafd SD |
1972 | /* |
1973 | * cx231xx_v4l2_read() | |
1974 | * will allocate buffers when called for the first time | |
1975 | */ | |
1976 | static ssize_t | |
cde4362f MCC |
1977 | cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count, |
1978 | loff_t *pos) | |
e0d3bafd SD |
1979 | { |
1980 | struct cx231xx_fh *fh = filp->private_data; | |
1981 | struct cx231xx *dev = fh->dev; | |
1982 | int rc; | |
1983 | ||
1984 | rc = check_dev(dev); | |
1985 | if (rc < 0) | |
1986 | return rc; | |
1987 | ||
84b5dbf3 MCC |
1988 | if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) || |
1989 | (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) { | |
e0d3bafd | 1990 | rc = res_get(fh); |
e0d3bafd SD |
1991 | |
1992 | if (unlikely(rc < 0)) | |
1993 | return rc; | |
1994 | ||
1f7e073d HV |
1995 | if (mutex_lock_interruptible(&dev->lock)) |
1996 | return -ERESTARTSYS; | |
1997 | rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
84b5dbf3 | 1998 | filp->f_flags & O_NONBLOCK); |
1f7e073d HV |
1999 | mutex_unlock(&dev->lock); |
2000 | return rc; | |
e0d3bafd SD |
2001 | } |
2002 | return 0; | |
2003 | } | |
2004 | ||
2005 | /* | |
2006 | * cx231xx_v4l2_poll() | |
2007 | * will allocate buffers when called for the first time | |
2008 | */ | |
64fbf444 | 2009 | static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait) |
e0d3bafd | 2010 | { |
1d08a4fa | 2011 | unsigned long req_events = poll_requested_events(wait); |
e0d3bafd SD |
2012 | struct cx231xx_fh *fh = filp->private_data; |
2013 | struct cx231xx *dev = fh->dev; | |
1d08a4fa | 2014 | unsigned res = 0; |
e0d3bafd SD |
2015 | int rc; |
2016 | ||
2017 | rc = check_dev(dev); | |
2018 | if (rc < 0) | |
1d08a4fa | 2019 | return POLLERR; |
e0d3bafd | 2020 | |
e0d3bafd | 2021 | rc = res_get(fh); |
e0d3bafd SD |
2022 | |
2023 | if (unlikely(rc < 0)) | |
2024 | return POLLERR; | |
2025 | ||
1d08a4fa HV |
2026 | if (v4l2_event_pending(&fh->fh)) |
2027 | res |= POLLPRI; | |
2028 | else | |
2029 | poll_wait(filp, &fh->fh.wait, wait); | |
2030 | ||
2031 | if (!(req_events & (POLLIN | POLLRDNORM))) | |
2032 | return res; | |
2033 | ||
84b5dbf3 | 2034 | if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) || |
1f7e073d | 2035 | (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) { |
1f7e073d | 2036 | mutex_lock(&dev->lock); |
1d08a4fa | 2037 | res |= videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
1f7e073d HV |
2038 | mutex_unlock(&dev->lock); |
2039 | return res; | |
2040 | } | |
1d08a4fa | 2041 | return res | POLLERR; |
e0d3bafd SD |
2042 | } |
2043 | ||
2044 | /* | |
2045 | * cx231xx_v4l2_mmap() | |
2046 | */ | |
2047 | static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
2048 | { | |
84b5dbf3 MCC |
2049 | struct cx231xx_fh *fh = filp->private_data; |
2050 | struct cx231xx *dev = fh->dev; | |
2051 | int rc; | |
e0d3bafd SD |
2052 | |
2053 | rc = check_dev(dev); | |
2054 | if (rc < 0) | |
2055 | return rc; | |
2056 | ||
e0d3bafd | 2057 | rc = res_get(fh); |
e0d3bafd SD |
2058 | |
2059 | if (unlikely(rc < 0)) | |
2060 | return rc; | |
2061 | ||
1f7e073d HV |
2062 | if (mutex_lock_interruptible(&dev->lock)) |
2063 | return -ERESTARTSYS; | |
e0d3bafd | 2064 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
1f7e073d | 2065 | mutex_unlock(&dev->lock); |
e0d3bafd SD |
2066 | |
2067 | cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", | |
84b5dbf3 MCC |
2068 | (unsigned long)vma->vm_start, |
2069 | (unsigned long)vma->vm_end - | |
2070 | (unsigned long)vma->vm_start, rc); | |
e0d3bafd SD |
2071 | |
2072 | return rc; | |
2073 | } | |
2074 | ||
2075 | static const struct v4l2_file_operations cx231xx_v4l_fops = { | |
cde4362f MCC |
2076 | .owner = THIS_MODULE, |
2077 | .open = cx231xx_v4l2_open, | |
84b5dbf3 | 2078 | .release = cx231xx_v4l2_close, |
cde4362f MCC |
2079 | .read = cx231xx_v4l2_read, |
2080 | .poll = cx231xx_v4l2_poll, | |
2081 | .mmap = cx231xx_v4l2_mmap, | |
643800d5 | 2082 | .unlocked_ioctl = video_ioctl2, |
e0d3bafd SD |
2083 | }; |
2084 | ||
2085 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
bc08734c | 2086 | .vidioc_querycap = cx231xx_querycap, |
cde4362f MCC |
2087 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
2088 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
2089 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
2090 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
2091 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, | |
2092 | .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, | |
6264722c | 2093 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, |
cde4362f | 2094 | .vidioc_cropcap = vidioc_cropcap, |
cde4362f MCC |
2095 | .vidioc_reqbufs = vidioc_reqbufs, |
2096 | .vidioc_querybuf = vidioc_querybuf, | |
2097 | .vidioc_qbuf = vidioc_qbuf, | |
2098 | .vidioc_dqbuf = vidioc_dqbuf, | |
2099 | .vidioc_s_std = vidioc_s_std, | |
2100 | .vidioc_g_std = vidioc_g_std, | |
b86d1544 HV |
2101 | .vidioc_enum_input = cx231xx_enum_input, |
2102 | .vidioc_g_input = cx231xx_g_input, | |
2103 | .vidioc_s_input = cx231xx_s_input, | |
cde4362f MCC |
2104 | .vidioc_streamon = vidioc_streamon, |
2105 | .vidioc_streamoff = vidioc_streamoff, | |
b86d1544 HV |
2106 | .vidioc_g_tuner = cx231xx_g_tuner, |
2107 | .vidioc_s_tuner = cx231xx_s_tuner, | |
2108 | .vidioc_g_frequency = cx231xx_g_frequency, | |
2109 | .vidioc_s_frequency = cx231xx_s_frequency, | |
e0d3bafd | 2110 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
08fe9f7d | 2111 | .vidioc_g_chip_info = cx231xx_g_chip_info, |
b86d1544 HV |
2112 | .vidioc_g_register = cx231xx_g_register, |
2113 | .vidioc_s_register = cx231xx_s_register, | |
e0d3bafd | 2114 | #endif |
1d08a4fa HV |
2115 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
2116 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
e0d3bafd SD |
2117 | }; |
2118 | ||
2119 | static struct video_device cx231xx_vbi_template; | |
2120 | ||
2121 | static const struct video_device cx231xx_video_template = { | |
cde4362f | 2122 | .fops = &cx231xx_v4l_fops, |
60acf187 | 2123 | .release = video_device_release_empty, |
cde4362f | 2124 | .ioctl_ops = &video_ioctl_ops, |
cde4362f | 2125 | .tvnorms = V4L2_STD_ALL, |
e0d3bafd SD |
2126 | }; |
2127 | ||
2128 | static const struct v4l2_file_operations radio_fops = { | |
cde4362f MCC |
2129 | .owner = THIS_MODULE, |
2130 | .open = cx231xx_v4l2_open, | |
84b5dbf3 | 2131 | .release = cx231xx_v4l2_close, |
1d08a4fa | 2132 | .poll = v4l2_ctrl_poll, |
1265f080 | 2133 | .unlocked_ioctl = video_ioctl2, |
e0d3bafd SD |
2134 | }; |
2135 | ||
2136 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
bc08734c | 2137 | .vidioc_querycap = cx231xx_querycap, |
cde4362f | 2138 | .vidioc_g_tuner = radio_g_tuner, |
cde4362f | 2139 | .vidioc_s_tuner = radio_s_tuner, |
b86d1544 HV |
2140 | .vidioc_g_frequency = cx231xx_g_frequency, |
2141 | .vidioc_s_frequency = cx231xx_s_frequency, | |
e0d3bafd | 2142 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
08fe9f7d | 2143 | .vidioc_g_chip_info = cx231xx_g_chip_info, |
b86d1544 HV |
2144 | .vidioc_g_register = cx231xx_g_register, |
2145 | .vidioc_s_register = cx231xx_s_register, | |
e0d3bafd | 2146 | #endif |
1d08a4fa HV |
2147 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
2148 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
e0d3bafd SD |
2149 | }; |
2150 | ||
2151 | static struct video_device cx231xx_radio_template = { | |
cde4362f MCC |
2152 | .name = "cx231xx-radio", |
2153 | .fops = &radio_fops, | |
84b5dbf3 | 2154 | .ioctl_ops = &radio_ioctl_ops, |
e0d3bafd SD |
2155 | }; |
2156 | ||
2157 | /******************************** usb interface ******************************/ | |
2158 | ||
60acf187 HV |
2159 | static void cx231xx_vdev_init(struct cx231xx *dev, |
2160 | struct video_device *vfd, | |
2161 | const struct video_device *template, | |
2162 | const char *type_name) | |
e0d3bafd | 2163 | { |
e0d3bafd | 2164 | *vfd = *template; |
b1196126 | 2165 | vfd->v4l2_dev = &dev->v4l2_dev; |
60acf187 | 2166 | vfd->release = video_device_release_empty; |
643800d5 | 2167 | vfd->lock = &dev->lock; |
e0d3bafd | 2168 | |
84b5dbf3 | 2169 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); |
e0d3bafd | 2170 | |
63b0d5ad | 2171 | video_set_drvdata(vfd, dev); |
06c46003 HV |
2172 | if (dev->tuner_type == TUNER_ABSENT) { |
2173 | v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY); | |
2174 | v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY); | |
2175 | v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER); | |
2176 | v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER); | |
2177 | } | |
e0d3bafd SD |
2178 | } |
2179 | ||
2180 | int cx231xx_register_analog_devices(struct cx231xx *dev) | |
2181 | { | |
2182 | int ret; | |
2183 | ||
336fea92 | 2184 | dev_info(dev->dev, "v4l2 driver version %s\n", CX231XX_VERSION); |
e0d3bafd SD |
2185 | |
2186 | /* set default norm */ | |
a25a7012 | 2187 | dev->norm = V4L2_STD_PAL; |
e0d3bafd SD |
2188 | dev->width = norm_maxw(dev); |
2189 | dev->height = norm_maxh(dev); | |
2190 | dev->interlaced = 0; | |
e0d3bafd SD |
2191 | |
2192 | /* Analog specific initialization */ | |
2193 | dev->format = &format[0]; | |
6e6a2ba9 DH |
2194 | |
2195 | /* Set the initial input */ | |
2196 | video_mux(dev, dev->video_input); | |
e0d3bafd | 2197 | |
8774bed9 | 2198 | call_all(dev, video, s_std, dev->norm); |
d61072a4 | 2199 | |
d2370f8e HV |
2200 | v4l2_ctrl_handler_init(&dev->ctrl_handler, 10); |
2201 | v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 5); | |
2202 | ||
2203 | if (dev->sd_cx25840) { | |
2204 | v4l2_ctrl_add_handler(&dev->ctrl_handler, | |
2205 | dev->sd_cx25840->ctrl_handler, NULL); | |
2206 | v4l2_ctrl_add_handler(&dev->radio_ctrl_handler, | |
2207 | dev->sd_cx25840->ctrl_handler, | |
2208 | v4l2_ctrl_radio_filter); | |
2209 | } | |
2210 | ||
2211 | if (dev->ctrl_handler.error) | |
2212 | return dev->ctrl_handler.error; | |
2213 | if (dev->radio_ctrl_handler.error) | |
2214 | return dev->radio_ctrl_handler.error; | |
e0d3bafd SD |
2215 | |
2216 | /* enable vbi capturing */ | |
84b5dbf3 | 2217 | /* write code here... */ |
e0d3bafd SD |
2218 | |
2219 | /* allocate and fill video video_device struct */ | |
60acf187 | 2220 | cx231xx_vdev_init(dev, &dev->vdev, &cx231xx_video_template, "video"); |
b6a40e72 MCC |
2221 | #if defined(CONFIG_MEDIA_CONTROLLER) |
2222 | dev->video_pad.flags = MEDIA_PAD_FL_SINK; | |
ab22e77c | 2223 | ret = media_entity_pads_init(&dev->vdev.entity, 1, &dev->video_pad); |
b6a40e72 MCC |
2224 | if (ret < 0) |
2225 | dev_err(dev->dev, "failed to initialize video media entity!\n"); | |
2226 | #endif | |
60acf187 | 2227 | dev->vdev.ctrl_handler = &dev->ctrl_handler; |
e0d3bafd | 2228 | /* register v4l2 video video_device */ |
60acf187 | 2229 | ret = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, |
84b5dbf3 | 2230 | video_nr[dev->devno]); |
e0d3bafd | 2231 | if (ret) { |
336fea92 | 2232 | dev_err(dev->dev, |
b7085c08 | 2233 | "unable to register video device (error=%i).\n", |
ed0e3729 | 2234 | ret); |
e0d3bafd SD |
2235 | return ret; |
2236 | } | |
2237 | ||
336fea92 | 2238 | dev_info(dev->dev, "Registered video device %s [v4l2]\n", |
60acf187 | 2239 | video_device_node_name(&dev->vdev)); |
e0d3bafd | 2240 | |
84b5dbf3 | 2241 | /* Initialize VBI template */ |
3724dde9 | 2242 | cx231xx_vbi_template = cx231xx_video_template; |
84b5dbf3 | 2243 | strcpy(cx231xx_vbi_template.name, "cx231xx-vbi"); |
e0d3bafd SD |
2244 | |
2245 | /* Allocate and fill vbi video_device struct */ | |
60acf187 | 2246 | cx231xx_vdev_init(dev, &dev->vbi_dev, &cx231xx_vbi_template, "vbi"); |
e0d3bafd | 2247 | |
b6a40e72 MCC |
2248 | #if defined(CONFIG_MEDIA_CONTROLLER) |
2249 | dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; | |
ab22e77c | 2250 | ret = media_entity_pads_init(&dev->vbi_dev.entity, 1, &dev->vbi_pad); |
b6a40e72 MCC |
2251 | if (ret < 0) |
2252 | dev_err(dev->dev, "failed to initialize vbi media entity!\n"); | |
2253 | #endif | |
60acf187 | 2254 | dev->vbi_dev.ctrl_handler = &dev->ctrl_handler; |
e0d3bafd | 2255 | /* register v4l2 vbi video_device */ |
60acf187 | 2256 | ret = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, |
84b5dbf3 | 2257 | vbi_nr[dev->devno]); |
e0d3bafd | 2258 | if (ret < 0) { |
336fea92 | 2259 | dev_err(dev->dev, "unable to register vbi device\n"); |
e0d3bafd SD |
2260 | return ret; |
2261 | } | |
2262 | ||
336fea92 | 2263 | dev_info(dev->dev, "Registered VBI device %s\n", |
60acf187 | 2264 | video_device_node_name(&dev->vbi_dev)); |
e0d3bafd SD |
2265 | |
2266 | if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { | |
60acf187 HV |
2267 | cx231xx_vdev_init(dev, &dev->radio_dev, |
2268 | &cx231xx_radio_template, "radio"); | |
2269 | dev->radio_dev.ctrl_handler = &dev->radio_ctrl_handler; | |
2270 | ret = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO, | |
e0d3bafd SD |
2271 | radio_nr[dev->devno]); |
2272 | if (ret < 0) { | |
336fea92 | 2273 | dev_err(dev->dev, |
b7085c08 | 2274 | "can't register radio device\n"); |
e0d3bafd SD |
2275 | return ret; |
2276 | } | |
336fea92 | 2277 | dev_info(dev->dev, "Registered radio device as %s\n", |
60acf187 | 2278 | video_device_node_name(&dev->radio_dev)); |
e0d3bafd SD |
2279 | } |
2280 | ||
e0d3bafd SD |
2281 | return 0; |
2282 | } |