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Commit | Line | Data |
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a6c2ba28 | 1 | /* |
6ea54d93 DSL |
2 | em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB |
3 | video capture devices | |
a6c2ba28 | 4 | |
f7abcd38 MCC |
5 | Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> |
6 | Markus Rechberger <mrechberger@gmail.com> | |
2e7c6dc3 | 7 | Mauro Carvalho Chehab <mchehab@infradead.org> |
f7abcd38 | 8 | Sascha Sommer <saschasommer@freenet.de> |
a6c2ba28 | 9 | |
439090d7 MCC |
10 | Some parts based on SN9C10x PC Camera Controllers GPL driver made |
11 | by Luca Risolia <luca.risolia@studio.unibo.it> | |
12 | ||
a6c2ba28 | 13 | This program is free software; you can redistribute it and/or modify |
14 | it under the terms of the GNU General Public License as published by | |
15 | the Free Software Foundation; either version 2 of the License, or | |
16 | (at your option) any later version. | |
17 | ||
18 | This program is distributed in the hope that it will be useful, | |
19 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | GNU General Public License for more details. | |
22 | ||
23 | You should have received a copy of the GNU General Public License | |
24 | along with this program; if not, write to the Free Software | |
25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
28 | #include <linux/init.h> | |
29 | #include <linux/list.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/kernel.h> | |
e5589bef | 32 | #include <linux/bitmap.h> |
a6c2ba28 | 33 | #include <linux/usb.h> |
a6c2ba28 | 34 | #include <linux/i2c.h> |
b296fc60 | 35 | #include <linux/version.h> |
6d35c8f6 | 36 | #include <linux/mm.h> |
1e4baed3 | 37 | #include <linux/mutex.h> |
a6c2ba28 | 38 | |
f7abcd38 | 39 | #include "em28xx.h" |
c0477ad9 | 40 | #include <media/v4l2-common.h> |
35ea11ff | 41 | #include <media/v4l2-ioctl.h> |
14983d81 | 42 | #include <media/v4l2-chip-ident.h> |
2474ed44 | 43 | #include <media/msp3400.h> |
ed086314 | 44 | #include <media/tuner.h> |
a6c2ba28 | 45 | |
f7abcd38 MCC |
46 | #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ |
47 | "Markus Rechberger <mrechberger@gmail.com>, " \ | |
2e7c6dc3 | 48 | "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ |
f7abcd38 | 49 | "Sascha Sommer <saschasommer@freenet.de>" |
a6c2ba28 | 50 | |
f7abcd38 | 51 | #define DRIVER_DESC "Empia em28xx based USB video device driver" |
1a23f81b | 52 | #define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 1) |
a6c2ba28 | 53 | |
3acf2809 | 54 | #define em28xx_videodbg(fmt, arg...) do {\ |
4ac97914 MCC |
55 | if (video_debug) \ |
56 | printk(KERN_INFO "%s %s :"fmt, \ | |
d80e134d | 57 | dev->name, __func__ , ##arg); } while (0) |
a6c2ba28 | 58 | |
ad0ebb96 | 59 | static unsigned int isoc_debug; |
f245e549 MCC |
60 | module_param(isoc_debug, int, 0644); |
61 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
ad0ebb96 | 62 | |
6ea54d93 DSL |
63 | #define em28xx_isocdbg(fmt, arg...) \ |
64 | do {\ | |
65 | if (isoc_debug) { \ | |
ad0ebb96 | 66 | printk(KERN_INFO "%s %s :"fmt, \ |
6ea54d93 DSL |
67 | dev->name, __func__ , ##arg); \ |
68 | } \ | |
69 | } while (0) | |
ad0ebb96 | 70 | |
a6c2ba28 | 71 | MODULE_AUTHOR(DRIVER_AUTHOR); |
72 | MODULE_DESCRIPTION(DRIVER_DESC); | |
73 | MODULE_LICENSE("GPL"); | |
74 | ||
e5589bef | 75 | static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; |
0be43754 MCC |
76 | static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; |
77 | static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; | |
78 | ||
e5589bef MCC |
79 | module_param_array(video_nr, int, NULL, 0444); |
80 | module_param_array(vbi_nr, int, NULL, 0444); | |
0be43754 | 81 | module_param_array(radio_nr, int, NULL, 0444); |
0be43754 MCC |
82 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
83 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); | |
84 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); | |
596d92d5 | 85 | |
ff699e6b | 86 | static unsigned int video_debug; |
6ea54d93 DSL |
87 | module_param(video_debug, int, 0644); |
88 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
a6c2ba28 | 89 | |
bddcf633 MCC |
90 | /* supported video standards */ |
91 | static struct em28xx_fmt format[] = { | |
92 | { | |
93 | .name = "16bpp YUY2, 4:2:2, packed", | |
94 | .fourcc = V4L2_PIX_FMT_YUYV, | |
95 | .depth = 16, | |
3fbf9309 | 96 | .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, |
bddcf633 MCC |
97 | }, |
98 | }; | |
99 | ||
a6c2ba28 | 100 | /* supported controls */ |
c0477ad9 | 101 | /* Common to all boards */ |
3acf2809 | 102 | static struct v4l2_queryctrl em28xx_qctrl[] = { |
c0477ad9 MCC |
103 | { |
104 | .id = V4L2_CID_AUDIO_VOLUME, | |
105 | .type = V4L2_CTRL_TYPE_INTEGER, | |
106 | .name = "Volume", | |
107 | .minimum = 0x0, | |
108 | .maximum = 0x1f, | |
109 | .step = 0x1, | |
110 | .default_value = 0x1f, | |
111 | .flags = 0, | |
6ea54d93 | 112 | }, { |
c0477ad9 MCC |
113 | .id = V4L2_CID_AUDIO_MUTE, |
114 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
115 | .name = "Mute", | |
116 | .minimum = 0, | |
117 | .maximum = 1, | |
118 | .step = 1, | |
119 | .default_value = 1, | |
120 | .flags = 0, | |
121 | } | |
122 | }; | |
123 | ||
ad0ebb96 MCC |
124 | /* ------------------------------------------------------------------ |
125 | DMA and thread functions | |
126 | ------------------------------------------------------------------*/ | |
127 | ||
128 | /* | |
129 | * Announces that a buffer were filled and request the next | |
130 | */ | |
f245e549 | 131 | static inline void buffer_filled(struct em28xx *dev, |
ad0ebb96 MCC |
132 | struct em28xx_dmaqueue *dma_q, |
133 | struct em28xx_buffer *buf) | |
134 | { | |
ad0ebb96 MCC |
135 | /* Advice that buffer was filled */ |
136 | em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
137 | buf->vb.state = VIDEOBUF_DONE; | |
138 | buf->vb.field_count++; | |
139 | do_gettimeofday(&buf->vb.ts); | |
140 | ||
cb784724 MCC |
141 | dev->isoc_ctl.buf = NULL; |
142 | ||
ad0ebb96 MCC |
143 | list_del(&buf->vb.queue); |
144 | wake_up(&buf->vb.done); | |
145 | } | |
146 | ||
147 | /* | |
148 | * Identify the buffer header type and properly handles | |
149 | */ | |
150 | static void em28xx_copy_video(struct em28xx *dev, | |
151 | struct em28xx_dmaqueue *dma_q, | |
152 | struct em28xx_buffer *buf, | |
153 | unsigned char *p, | |
154 | unsigned char *outp, unsigned long len) | |
155 | { | |
156 | void *fieldstart, *startwrite, *startread; | |
f245e549 | 157 | int linesdone, currlinedone, offset, lencopy, remain; |
44dc733c | 158 | int bytesperline = dev->width << 1; |
ad0ebb96 MCC |
159 | |
160 | if (dma_q->pos + len > buf->vb.size) | |
161 | len = buf->vb.size - dma_q->pos; | |
162 | ||
d7aa8020 | 163 | if (p[0] != 0x88 && p[0] != 0x22) { |
ad0ebb96 MCC |
164 | em28xx_isocdbg("frame is not complete\n"); |
165 | len += 4; | |
166 | } else | |
f245e549 | 167 | p += 4; |
ad0ebb96 MCC |
168 | |
169 | startread = p; | |
170 | remain = len; | |
171 | ||
172 | /* Interlaces frame */ | |
173 | if (buf->top_field) | |
174 | fieldstart = outp; | |
175 | else | |
44dc733c | 176 | fieldstart = outp + bytesperline; |
ad0ebb96 | 177 | |
44dc733c MCC |
178 | linesdone = dma_q->pos / bytesperline; |
179 | currlinedone = dma_q->pos % bytesperline; | |
180 | offset = linesdone * bytesperline * 2 + currlinedone; | |
ad0ebb96 | 181 | startwrite = fieldstart + offset; |
44dc733c | 182 | lencopy = bytesperline - currlinedone; |
ad0ebb96 MCC |
183 | lencopy = lencopy > remain ? remain : lencopy; |
184 | ||
f245e549 | 185 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { |
ea8df7e0 | 186 | em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", |
f245e549 MCC |
187 | ((char *)startwrite + lencopy) - |
188 | ((char *)outp + buf->vb.size)); | |
189 | lencopy = remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
d7aa8020 | 190 | } |
e0fadfd3 AT |
191 | if (lencopy <= 0) |
192 | return; | |
d7aa8020 | 193 | memcpy(startwrite, startread, lencopy); |
ad0ebb96 MCC |
194 | |
195 | remain -= lencopy; | |
196 | ||
197 | while (remain > 0) { | |
44dc733c | 198 | startwrite += lencopy + bytesperline; |
ad0ebb96 | 199 | startread += lencopy; |
44dc733c | 200 | if (bytesperline > remain) |
ad0ebb96 MCC |
201 | lencopy = remain; |
202 | else | |
44dc733c | 203 | lencopy = bytesperline; |
ad0ebb96 | 204 | |
f245e549 | 205 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { |
ea8df7e0 | 206 | em28xx_isocdbg("Overflow of %zi bytes past buffer end (2)\n", |
f245e549 MCC |
207 | ((char *)startwrite + lencopy) - |
208 | ((char *)outp + buf->vb.size)); | |
209 | lencopy = remain = (char *)outp + buf->vb.size - | |
210 | (char *)startwrite; | |
d7aa8020 | 211 | } |
f245e549 MCC |
212 | if (lencopy <= 0) |
213 | break; | |
d7aa8020 AT |
214 | |
215 | memcpy(startwrite, startread, lencopy); | |
ad0ebb96 MCC |
216 | |
217 | remain -= lencopy; | |
218 | } | |
219 | ||
220 | dma_q->pos += len; | |
221 | } | |
222 | ||
f245e549 | 223 | static inline void print_err_status(struct em28xx *dev, |
ad0ebb96 MCC |
224 | int packet, int status) |
225 | { | |
226 | char *errmsg = "Unknown"; | |
227 | ||
f245e549 | 228 | switch (status) { |
ad0ebb96 MCC |
229 | case -ENOENT: |
230 | errmsg = "unlinked synchronuously"; | |
231 | break; | |
232 | case -ECONNRESET: | |
233 | errmsg = "unlinked asynchronuously"; | |
234 | break; | |
235 | case -ENOSR: | |
236 | errmsg = "Buffer error (overrun)"; | |
237 | break; | |
238 | case -EPIPE: | |
239 | errmsg = "Stalled (device not responding)"; | |
240 | break; | |
241 | case -EOVERFLOW: | |
242 | errmsg = "Babble (bad cable?)"; | |
243 | break; | |
244 | case -EPROTO: | |
245 | errmsg = "Bit-stuff error (bad cable?)"; | |
246 | break; | |
247 | case -EILSEQ: | |
248 | errmsg = "CRC/Timeout (could be anything)"; | |
249 | break; | |
250 | case -ETIME: | |
251 | errmsg = "Device does not respond"; | |
252 | break; | |
253 | } | |
f245e549 | 254 | if (packet < 0) { |
ad0ebb96 MCC |
255 | em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
256 | } else { | |
257 | em28xx_isocdbg("URB packet %d, status %d [%s].\n", | |
258 | packet, status, errmsg); | |
259 | } | |
260 | } | |
261 | ||
262 | /* | |
263 | * video-buf generic routine to get the next available buffer | |
264 | */ | |
3b5fa928 | 265 | static inline void get_next_buf(struct em28xx_dmaqueue *dma_q, |
ad0ebb96 MCC |
266 | struct em28xx_buffer **buf) |
267 | { | |
268 | struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); | |
dbecb44c | 269 | char *outp; |
ad0ebb96 | 270 | |
dbecb44c MCC |
271 | if (list_empty(&dma_q->active)) { |
272 | em28xx_isocdbg("No active queue to serve\n"); | |
dbecb44c MCC |
273 | dev->isoc_ctl.buf = NULL; |
274 | *buf = NULL; | |
3b5fa928 | 275 | return; |
dbecb44c MCC |
276 | } |
277 | ||
dbecb44c MCC |
278 | /* Get the next buffer */ |
279 | *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); | |
280 | ||
dbecb44c MCC |
281 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ |
282 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
283 | memset(outp, 0, (*buf)->vb.size); | |
cb784724 MCC |
284 | |
285 | dev->isoc_ctl.buf = *buf; | |
286 | ||
3b5fa928 | 287 | return; |
ad0ebb96 MCC |
288 | } |
289 | ||
290 | /* | |
291 | * Controls the isoc copy of each urb packet | |
292 | */ | |
579f72e4 | 293 | static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb) |
ad0ebb96 | 294 | { |
d7aa8020 | 295 | struct em28xx_buffer *buf; |
ad0ebb96 | 296 | struct em28xx_dmaqueue *dma_q = urb->context; |
3b5fa928 | 297 | unsigned char *outp = NULL; |
ad0ebb96 | 298 | int i, len = 0, rc = 1; |
d7aa8020 | 299 | unsigned char *p; |
ad0ebb96 MCC |
300 | |
301 | if (!dev) | |
302 | return 0; | |
303 | ||
304 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
305 | return 0; | |
306 | ||
f245e549 MCC |
307 | if (urb->status < 0) { |
308 | print_err_status(dev, -1, urb->status); | |
ad0ebb96 MCC |
309 | if (urb->status == -ENOENT) |
310 | return 0; | |
311 | } | |
312 | ||
3b5fa928 AT |
313 | buf = dev->isoc_ctl.buf; |
314 | if (buf != NULL) | |
315 | outp = videobuf_to_vmalloc(&buf->vb); | |
d7aa8020 | 316 | |
ad0ebb96 MCC |
317 | for (i = 0; i < urb->number_of_packets; i++) { |
318 | int status = urb->iso_frame_desc[i].status; | |
319 | ||
f245e549 MCC |
320 | if (status < 0) { |
321 | print_err_status(dev, i, status); | |
ad0ebb96 MCC |
322 | if (urb->iso_frame_desc[i].status != -EPROTO) |
323 | continue; | |
324 | } | |
325 | ||
f245e549 | 326 | len = urb->iso_frame_desc[i].actual_length - 4; |
ad0ebb96 MCC |
327 | |
328 | if (urb->iso_frame_desc[i].actual_length <= 0) { | |
d7aa8020 | 329 | /* em28xx_isocdbg("packet %d is empty",i); - spammy */ |
ad0ebb96 MCC |
330 | continue; |
331 | } | |
332 | if (urb->iso_frame_desc[i].actual_length > | |
333 | dev->max_pkt_size) { | |
334 | em28xx_isocdbg("packet bigger than packet size"); | |
335 | continue; | |
336 | } | |
337 | ||
338 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ad0ebb96 MCC |
339 | |
340 | /* FIXME: incomplete buffer checks where removed to make | |
341 | logic simpler. Impacts of those changes should be evaluated | |
342 | */ | |
b4916f8c MCC |
343 | if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { |
344 | em28xx_isocdbg("VBI HEADER!!!\n"); | |
345 | /* FIXME: Should add vbi copy */ | |
346 | continue; | |
347 | } | |
d7aa8020 | 348 | if (p[0] == 0x22 && p[1] == 0x5a) { |
78bb3949 MCC |
349 | em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], |
350 | len, (p[2] & 1)? "odd" : "even"); | |
d7aa8020 | 351 | |
3b5fa928 AT |
352 | if (!(p[2] & 1)) { |
353 | if (buf != NULL) | |
354 | buffer_filled(dev, dma_q, buf); | |
355 | get_next_buf(dma_q, &buf); | |
356 | if (buf == NULL) | |
357 | outp = NULL; | |
358 | else | |
359 | outp = videobuf_to_vmalloc(&buf->vb); | |
360 | } | |
361 | ||
362 | if (buf != NULL) { | |
363 | if (p[2] & 1) | |
364 | buf->top_field = 0; | |
365 | else | |
366 | buf->top_field = 1; | |
e0fadfd3 | 367 | } |
b4916f8c | 368 | |
ad0ebb96 | 369 | dma_q->pos = 0; |
ad0ebb96 | 370 | } |
3b5fa928 AT |
371 | if (buf != NULL) |
372 | em28xx_copy_video(dev, dma_q, buf, p, outp, len); | |
ad0ebb96 MCC |
373 | } |
374 | return rc; | |
375 | } | |
376 | ||
ad0ebb96 MCC |
377 | /* ------------------------------------------------------------------ |
378 | Videobuf operations | |
379 | ------------------------------------------------------------------*/ | |
380 | ||
381 | static int | |
382 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
383 | { | |
384 | struct em28xx_fh *fh = vq->priv_data; | |
d2d9fbfd MCC |
385 | struct em28xx *dev = fh->dev; |
386 | struct v4l2_frequency f; | |
ad0ebb96 | 387 | |
bddcf633 MCC |
388 | *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
389 | ||
ad0ebb96 MCC |
390 | if (0 == *count) |
391 | *count = EM28XX_DEF_BUF; | |
392 | ||
f245e549 MCC |
393 | if (*count < EM28XX_MIN_BUF) |
394 | *count = EM28XX_MIN_BUF; | |
ad0ebb96 | 395 | |
381aaba9 | 396 | /* Ask tuner to go to analog or radio mode */ |
6ea54d93 | 397 | memset(&f, 0, sizeof(f)); |
d2d9fbfd | 398 | f.frequency = dev->ctl_freq; |
381aaba9 | 399 | f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
d2d9fbfd MCC |
400 | |
401 | em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f); | |
402 | ||
ad0ebb96 MCC |
403 | return 0; |
404 | } | |
405 | ||
3b5fa928 | 406 | /* This is called *without* dev->slock held; please keep it that way */ |
ad0ebb96 MCC |
407 | static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) |
408 | { | |
3b5fa928 AT |
409 | struct em28xx_fh *fh = vq->priv_data; |
410 | struct em28xx *dev = fh->dev; | |
411 | unsigned long flags = 0; | |
ad0ebb96 MCC |
412 | if (in_interrupt()) |
413 | BUG(); | |
414 | ||
3b5fa928 AT |
415 | /* We used to wait for the buffer to finish here, but this didn't work |
416 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
417 | videobuf_queue_cancel marked it as finished for us. | |
418 | (Also, it could wedge forever if the hardware was misconfigured.) | |
419 | ||
420 | This should be safe; by the time we get here, the buffer isn't | |
421 | queued anymore. If we ever start marking the buffers as | |
422 | VIDEOBUF_ACTIVE, it won't be, though. | |
423 | */ | |
424 | spin_lock_irqsave(&dev->slock, flags); | |
425 | if (dev->isoc_ctl.buf == buf) | |
426 | dev->isoc_ctl.buf = NULL; | |
427 | spin_unlock_irqrestore(&dev->slock, flags); | |
428 | ||
ad0ebb96 MCC |
429 | videobuf_vmalloc_free(&buf->vb); |
430 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
431 | } | |
432 | ||
433 | static int | |
434 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
435 | enum v4l2_field field) | |
436 | { | |
437 | struct em28xx_fh *fh = vq->priv_data; | |
f245e549 | 438 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); |
ad0ebb96 MCC |
439 | struct em28xx *dev = fh->dev; |
440 | int rc = 0, urb_init = 0; | |
ad0ebb96 | 441 | |
bddcf633 | 442 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
ad0ebb96 MCC |
443 | |
444 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
445 | return -EINVAL; | |
446 | ||
05612975 BP |
447 | buf->vb.width = dev->width; |
448 | buf->vb.height = dev->height; | |
449 | buf->vb.field = field; | |
ad0ebb96 MCC |
450 | |
451 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
d7aa8020 AT |
452 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
453 | if (rc < 0) | |
ad0ebb96 | 454 | goto fail; |
ad0ebb96 MCC |
455 | } |
456 | ||
ad0ebb96 | 457 | if (!dev->isoc_ctl.num_bufs) |
f245e549 | 458 | urb_init = 1; |
ad0ebb96 MCC |
459 | |
460 | if (urb_init) { | |
579f72e4 AT |
461 | rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS, |
462 | EM28XX_NUM_BUFS, dev->max_pkt_size, | |
c67ec53f | 463 | em28xx_isoc_copy); |
f245e549 | 464 | if (rc < 0) |
ad0ebb96 MCC |
465 | goto fail; |
466 | } | |
467 | ||
468 | buf->vb.state = VIDEOBUF_PREPARED; | |
469 | return 0; | |
470 | ||
471 | fail: | |
f245e549 | 472 | free_buffer(vq, buf); |
ad0ebb96 MCC |
473 | return rc; |
474 | } | |
475 | ||
476 | static void | |
477 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
478 | { | |
479 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); | |
480 | struct em28xx_fh *fh = vq->priv_data; | |
f245e549 | 481 | struct em28xx *dev = fh->dev; |
ad0ebb96 | 482 | struct em28xx_dmaqueue *vidq = &dev->vidq; |
ad0ebb96 | 483 | |
d7aa8020 AT |
484 | buf->vb.state = VIDEOBUF_QUEUED; |
485 | list_add_tail(&buf->vb.queue, &vidq->active); | |
486 | ||
ad0ebb96 MCC |
487 | } |
488 | ||
6ea54d93 DSL |
489 | static void buffer_release(struct videobuf_queue *vq, |
490 | struct videobuf_buffer *vb) | |
ad0ebb96 | 491 | { |
f245e549 | 492 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); |
ad0ebb96 | 493 | struct em28xx_fh *fh = vq->priv_data; |
f245e549 | 494 | struct em28xx *dev = (struct em28xx *)fh->dev; |
ad0ebb96 | 495 | |
d7aa8020 | 496 | em28xx_isocdbg("em28xx: called buffer_release\n"); |
ad0ebb96 | 497 | |
f245e549 | 498 | free_buffer(vq, buf); |
ad0ebb96 MCC |
499 | } |
500 | ||
501 | static struct videobuf_queue_ops em28xx_video_qops = { | |
502 | .buf_setup = buffer_setup, | |
503 | .buf_prepare = buffer_prepare, | |
504 | .buf_queue = buffer_queue, | |
505 | .buf_release = buffer_release, | |
506 | }; | |
a6c2ba28 | 507 | |
6ea54d93 | 508 | /********************* v4l2 interface **************************************/ |
a6c2ba28 | 509 | |
eac94356 MCC |
510 | static void video_mux(struct em28xx *dev, int index) |
511 | { | |
c7c0b34c | 512 | struct v4l2_routing route; |
eac94356 | 513 | |
c7c0b34c HV |
514 | route.input = INPUT(index)->vmux; |
515 | route.output = 0; | |
eac94356 MCC |
516 | dev->ctl_input = index; |
517 | dev->ctl_ainput = INPUT(index)->amux; | |
35ae6f04 | 518 | dev->ctl_aoutput = INPUT(index)->aout; |
eac94356 | 519 | |
e879b8eb MCC |
520 | if (!dev->ctl_aoutput) |
521 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
522 | ||
c7c0b34c | 523 | em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); |
eac94356 | 524 | |
505b6d0b | 525 | if (dev->board.has_msp34xx) { |
6ea54d93 DSL |
526 | if (dev->i2s_speed) { |
527 | em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ, | |
528 | &dev->i2s_speed); | |
529 | } | |
2474ed44 | 530 | route.input = dev->ctl_ainput; |
07151724 | 531 | route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1); |
2474ed44 | 532 | /* Note: this is msp3400 specific */ |
6ea54d93 DSL |
533 | em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, |
534 | &route); | |
eac94356 | 535 | } |
539c96d0 | 536 | |
00b8730f | 537 | em28xx_audio_analog_set(dev); |
eac94356 MCC |
538 | } |
539 | ||
a225452e MCC |
540 | /* Usage lock check functions */ |
541 | static int res_get(struct em28xx_fh *fh) | |
542 | { | |
543 | struct em28xx *dev = fh->dev; | |
544 | int rc = 0; | |
545 | ||
546 | /* This instance already has stream_on */ | |
547 | if (fh->stream_on) | |
548 | return rc; | |
549 | ||
a225452e | 550 | if (dev->stream_on) |
29b59417 | 551 | return -EBUSY; |
a225452e | 552 | |
e74153d4 MCC |
553 | dev->stream_on = 1; |
554 | fh->stream_on = 1; | |
a225452e MCC |
555 | return rc; |
556 | } | |
557 | ||
558 | static int res_check(struct em28xx_fh *fh) | |
559 | { | |
560 | return (fh->stream_on); | |
561 | } | |
562 | ||
563 | static void res_free(struct em28xx_fh *fh) | |
564 | { | |
565 | struct em28xx *dev = fh->dev; | |
566 | ||
a225452e MCC |
567 | fh->stream_on = 0; |
568 | dev->stream_on = 0; | |
a225452e MCC |
569 | } |
570 | ||
195a4ef6 MCC |
571 | /* |
572 | * em28xx_get_ctrl() | |
573 | * return the current saturation, brightness or contrast, mute state | |
574 | */ | |
575 | static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) | |
576 | { | |
577 | switch (ctrl->id) { | |
578 | case V4L2_CID_AUDIO_MUTE: | |
579 | ctrl->value = dev->mute; | |
580 | return 0; | |
581 | case V4L2_CID_AUDIO_VOLUME: | |
582 | ctrl->value = dev->volume; | |
583 | return 0; | |
584 | default: | |
585 | return -EINVAL; | |
a6c2ba28 | 586 | } |
195a4ef6 | 587 | } |
a6c2ba28 | 588 | |
195a4ef6 MCC |
589 | /* |
590 | * em28xx_set_ctrl() | |
591 | * mute or set new saturation, brightness or contrast | |
592 | */ | |
593 | static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) | |
594 | { | |
595 | switch (ctrl->id) { | |
596 | case V4L2_CID_AUDIO_MUTE: | |
597 | if (ctrl->value != dev->mute) { | |
598 | dev->mute = ctrl->value; | |
195a4ef6 MCC |
599 | return em28xx_audio_analog_set(dev); |
600 | } | |
601 | return 0; | |
602 | case V4L2_CID_AUDIO_VOLUME: | |
603 | dev->volume = ctrl->value; | |
604 | return em28xx_audio_analog_set(dev); | |
605 | default: | |
606 | return -EINVAL; | |
607 | } | |
608 | } | |
a6c2ba28 | 609 | |
195a4ef6 MCC |
610 | static int check_dev(struct em28xx *dev) |
611 | { | |
612 | if (dev->state & DEV_DISCONNECTED) { | |
613 | em28xx_errdev("v4l2 ioctl: device not present\n"); | |
614 | return -ENODEV; | |
e5589bef | 615 | } |
a6c2ba28 | 616 | |
195a4ef6 MCC |
617 | if (dev->state & DEV_MISCONFIGURED) { |
618 | em28xx_errdev("v4l2 ioctl: device is misconfigured; " | |
619 | "close and open it again\n"); | |
620 | return -EIO; | |
621 | } | |
622 | return 0; | |
623 | } | |
a6c2ba28 | 624 | |
195a4ef6 MCC |
625 | static void get_scale(struct em28xx *dev, |
626 | unsigned int width, unsigned int height, | |
627 | unsigned int *hscale, unsigned int *vscale) | |
628 | { | |
629 | unsigned int maxw = norm_maxw(dev); | |
630 | unsigned int maxh = norm_maxh(dev); | |
631 | ||
632 | *hscale = (((unsigned long)maxw) << 12) / width - 4096L; | |
633 | if (*hscale >= 0x4000) | |
634 | *hscale = 0x3fff; | |
635 | ||
636 | *vscale = (((unsigned long)maxh) << 12) / height - 4096L; | |
637 | if (*vscale >= 0x4000) | |
638 | *vscale = 0x3fff; | |
a6c2ba28 | 639 | } |
640 | ||
195a4ef6 MCC |
641 | /* ------------------------------------------------------------------ |
642 | IOCTL vidioc handling | |
643 | ------------------------------------------------------------------*/ | |
644 | ||
78b526a4 | 645 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 646 | struct v4l2_format *f) |
a6c2ba28 | 647 | { |
195a4ef6 MCC |
648 | struct em28xx_fh *fh = priv; |
649 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 650 | |
195a4ef6 | 651 | mutex_lock(&dev->lock); |
e5589bef | 652 | |
195a4ef6 MCC |
653 | f->fmt.pix.width = dev->width; |
654 | f->fmt.pix.height = dev->height; | |
bddcf633 MCC |
655 | f->fmt.pix.pixelformat = dev->format->fourcc; |
656 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; | |
44dc733c | 657 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
195a4ef6 | 658 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
e5589bef | 659 | |
195a4ef6 MCC |
660 | /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ |
661 | f->fmt.pix.field = dev->interlaced ? | |
662 | V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; | |
e5589bef | 663 | |
195a4ef6 MCC |
664 | mutex_unlock(&dev->lock); |
665 | return 0; | |
a6c2ba28 | 666 | } |
667 | ||
bddcf633 MCC |
668 | static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) |
669 | { | |
670 | unsigned int i; | |
671 | ||
672 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
673 | if (format[i].fourcc == fourcc) | |
674 | return &format[i]; | |
675 | ||
676 | return NULL; | |
677 | } | |
678 | ||
78b526a4 | 679 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 680 | struct v4l2_format *f) |
a6c2ba28 | 681 | { |
195a4ef6 MCC |
682 | struct em28xx_fh *fh = priv; |
683 | struct em28xx *dev = fh->dev; | |
684 | int width = f->fmt.pix.width; | |
685 | int height = f->fmt.pix.height; | |
686 | unsigned int maxw = norm_maxw(dev); | |
687 | unsigned int maxh = norm_maxh(dev); | |
688 | unsigned int hscale, vscale; | |
bddcf633 MCC |
689 | struct em28xx_fmt *fmt; |
690 | ||
691 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
692 | if (!fmt) { | |
693 | em28xx_videodbg("Fourcc format (%08x) invalid.\n", | |
694 | f->fmt.pix.pixelformat); | |
695 | return -EINVAL; | |
696 | } | |
195a4ef6 MCC |
697 | |
698 | /* width must even because of the YUYV format | |
699 | height must be even because of interlacing */ | |
700 | height &= 0xfffe; | |
cf8c91c3 | 701 | width &= 0xfffe; |
a6c2ba28 | 702 | |
cf8c91c3 | 703 | if (unlikely(height < 32)) |
195a4ef6 | 704 | height = 32; |
cf8c91c3 | 705 | if (unlikely(height > maxh)) |
195a4ef6 | 706 | height = maxh; |
cf8c91c3 | 707 | if (unlikely(width < 48)) |
195a4ef6 | 708 | width = 48; |
cf8c91c3 | 709 | if (unlikely(width > maxw)) |
195a4ef6 | 710 | width = maxw; |
a6c2ba28 | 711 | |
505b6d0b | 712 | if (dev->board.is_em2800) { |
195a4ef6 MCC |
713 | /* the em2800 can only scale down to 50% */ |
714 | if (height % (maxh / 2)) | |
715 | height = maxh; | |
716 | if (width % (maxw / 2)) | |
717 | width = maxw; | |
718 | /* according to empiatech support */ | |
719 | /* the MaxPacketSize is to small to support */ | |
720 | /* framesizes larger than 640x480 @ 30 fps */ | |
721 | /* or 640x576 @ 25 fps. As this would cut */ | |
722 | /* of a part of the image we prefer */ | |
723 | /* 360x576 or 360x480 for now */ | |
724 | if (width == maxw && height == maxh) | |
725 | width /= 2; | |
726 | } | |
a225452e | 727 | |
195a4ef6 | 728 | get_scale(dev, width, height, &hscale, &vscale); |
a6c2ba28 | 729 | |
195a4ef6 MCC |
730 | width = (((unsigned long)maxw) << 12) / (hscale + 4096L); |
731 | height = (((unsigned long)maxh) << 12) / (vscale + 4096L); | |
a6c2ba28 | 732 | |
195a4ef6 MCC |
733 | f->fmt.pix.width = width; |
734 | f->fmt.pix.height = height; | |
bddcf633 MCC |
735 | f->fmt.pix.pixelformat = fmt->fourcc; |
736 | f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; | |
737 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; | |
195a4ef6 MCC |
738 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
739 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
a6c2ba28 | 740 | |
a6c2ba28 | 741 | return 0; |
742 | } | |
743 | ||
78b526a4 | 744 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 745 | struct v4l2_format *f) |
a6c2ba28 | 746 | { |
195a4ef6 MCC |
747 | struct em28xx_fh *fh = priv; |
748 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 749 | int rc; |
bddcf633 | 750 | struct em28xx_fmt *fmt; |
a6c2ba28 | 751 | |
195a4ef6 MCC |
752 | rc = check_dev(dev); |
753 | if (rc < 0) | |
754 | return rc; | |
a225452e | 755 | |
5a80415b SS |
756 | mutex_lock(&dev->lock); |
757 | ||
efc52a94 MCC |
758 | vidioc_try_fmt_vid_cap(file, priv, f); |
759 | ||
bddcf633 | 760 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
5db0b5e1 MCC |
761 | if (!fmt) { |
762 | rc = -EINVAL; | |
763 | goto out; | |
764 | } | |
bddcf633 | 765 | |
05612975 BP |
766 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
767 | em28xx_errdev("%s queue busy\n", __func__); | |
768 | rc = -EBUSY; | |
769 | goto out; | |
770 | } | |
771 | ||
0ea13e6e AT |
772 | if (dev->stream_on && !fh->stream_on) { |
773 | em28xx_errdev("%s device in use by another fh\n", __func__); | |
774 | rc = -EBUSY; | |
775 | goto out; | |
776 | } | |
777 | ||
195a4ef6 MCC |
778 | /* set new image size */ |
779 | dev->width = f->fmt.pix.width; | |
780 | dev->height = f->fmt.pix.height; | |
bddcf633 | 781 | dev->format = fmt; |
195a4ef6 | 782 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
a6c2ba28 | 783 | |
195a4ef6 | 784 | em28xx_set_alternate(dev); |
195a4ef6 | 785 | em28xx_resolution_set(dev); |
195a4ef6 | 786 | |
05612975 BP |
787 | rc = 0; |
788 | ||
789 | out: | |
195a4ef6 | 790 | mutex_unlock(&dev->lock); |
05612975 | 791 | return rc; |
195a4ef6 MCC |
792 | } |
793 | ||
6ea54d93 | 794 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) |
195a4ef6 MCC |
795 | { |
796 | struct em28xx_fh *fh = priv; | |
797 | struct em28xx *dev = fh->dev; | |
798 | struct v4l2_format f; | |
195a4ef6 MCC |
799 | int rc; |
800 | ||
801 | rc = check_dev(dev); | |
802 | if (rc < 0) | |
803 | return rc; | |
804 | ||
195a4ef6 | 805 | mutex_lock(&dev->lock); |
7d497f8a | 806 | dev->norm = *norm; |
a6c2ba28 | 807 | |
195a4ef6 MCC |
808 | /* Adjusts width/height, if needed */ |
809 | f.fmt.pix.width = dev->width; | |
810 | f.fmt.pix.height = dev->height; | |
78b526a4 | 811 | vidioc_try_fmt_vid_cap(file, priv, &f); |
a6c2ba28 | 812 | |
195a4ef6 MCC |
813 | /* set new image size */ |
814 | dev->width = f.fmt.pix.width; | |
815 | dev->height = f.fmt.pix.height; | |
195a4ef6 | 816 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
a6c2ba28 | 817 | |
195a4ef6 | 818 | em28xx_resolution_set(dev); |
7d497f8a | 819 | em28xx_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm); |
a6c2ba28 | 820 | |
195a4ef6 MCC |
821 | mutex_unlock(&dev->lock); |
822 | return 0; | |
823 | } | |
9e31ced8 | 824 | |
195a4ef6 MCC |
825 | static const char *iname[] = { |
826 | [EM28XX_VMUX_COMPOSITE1] = "Composite1", | |
827 | [EM28XX_VMUX_COMPOSITE2] = "Composite2", | |
828 | [EM28XX_VMUX_COMPOSITE3] = "Composite3", | |
829 | [EM28XX_VMUX_COMPOSITE4] = "Composite4", | |
830 | [EM28XX_VMUX_SVIDEO] = "S-Video", | |
831 | [EM28XX_VMUX_TELEVISION] = "Television", | |
832 | [EM28XX_VMUX_CABLE] = "Cable TV", | |
833 | [EM28XX_VMUX_DVB] = "DVB", | |
834 | [EM28XX_VMUX_DEBUG] = "for debug only", | |
835 | }; | |
9e31ced8 | 836 | |
195a4ef6 MCC |
837 | static int vidioc_enum_input(struct file *file, void *priv, |
838 | struct v4l2_input *i) | |
839 | { | |
840 | struct em28xx_fh *fh = priv; | |
841 | struct em28xx *dev = fh->dev; | |
842 | unsigned int n; | |
9e31ced8 | 843 | |
195a4ef6 MCC |
844 | n = i->index; |
845 | if (n >= MAX_EM28XX_INPUT) | |
846 | return -EINVAL; | |
847 | if (0 == INPUT(n)->type) | |
848 | return -EINVAL; | |
9e31ced8 | 849 | |
195a4ef6 MCC |
850 | i->index = n; |
851 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
a6c2ba28 | 852 | |
195a4ef6 | 853 | strcpy(i->name, iname[INPUT(n)->type]); |
a6c2ba28 | 854 | |
195a4ef6 MCC |
855 | if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || |
856 | (EM28XX_VMUX_CABLE == INPUT(n)->type)) | |
857 | i->type = V4L2_INPUT_TYPE_TUNER; | |
858 | ||
7d497f8a | 859 | i->std = dev->vdev->tvnorms; |
195a4ef6 MCC |
860 | |
861 | return 0; | |
a6c2ba28 | 862 | } |
863 | ||
195a4ef6 | 864 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
a6c2ba28 | 865 | { |
195a4ef6 MCC |
866 | struct em28xx_fh *fh = priv; |
867 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 868 | |
195a4ef6 MCC |
869 | *i = dev->ctl_input; |
870 | ||
871 | return 0; | |
872 | } | |
873 | ||
874 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
875 | { | |
876 | struct em28xx_fh *fh = priv; | |
877 | struct em28xx *dev = fh->dev; | |
878 | int rc; | |
879 | ||
880 | rc = check_dev(dev); | |
881 | if (rc < 0) | |
882 | return rc; | |
883 | ||
884 | if (i >= MAX_EM28XX_INPUT) | |
885 | return -EINVAL; | |
886 | if (0 == INPUT(i)->type) | |
887 | return -EINVAL; | |
a225452e | 888 | |
5a80415b | 889 | mutex_lock(&dev->lock); |
a6c2ba28 | 890 | |
195a4ef6 MCC |
891 | video_mux(dev, i); |
892 | ||
893 | mutex_unlock(&dev->lock); | |
894 | return 0; | |
895 | } | |
896 | ||
897 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
898 | { | |
899 | struct em28xx_fh *fh = priv; | |
900 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 901 | |
35ae6f04 MCC |
902 | switch (a->index) { |
903 | case EM28XX_AMUX_VIDEO: | |
195a4ef6 | 904 | strcpy(a->name, "Television"); |
35ae6f04 MCC |
905 | break; |
906 | case EM28XX_AMUX_LINE_IN: | |
195a4ef6 | 907 | strcpy(a->name, "Line In"); |
35ae6f04 MCC |
908 | break; |
909 | case EM28XX_AMUX_VIDEO2: | |
910 | strcpy(a->name, "Television alt"); | |
911 | break; | |
912 | case EM28XX_AMUX_PHONE: | |
913 | strcpy(a->name, "Phone"); | |
914 | break; | |
915 | case EM28XX_AMUX_MIC: | |
916 | strcpy(a->name, "Mic"); | |
917 | break; | |
918 | case EM28XX_AMUX_CD: | |
919 | strcpy(a->name, "CD"); | |
920 | break; | |
921 | case EM28XX_AMUX_AUX: | |
922 | strcpy(a->name, "Aux"); | |
923 | break; | |
924 | case EM28XX_AMUX_PCM_OUT: | |
925 | strcpy(a->name, "PCM"); | |
926 | break; | |
927 | default: | |
928 | return -EINVAL; | |
929 | } | |
6ea54d93 | 930 | |
35ae6f04 | 931 | a->index = dev->ctl_ainput; |
195a4ef6 | 932 | a->capability = V4L2_AUDCAP_STEREO; |
195a4ef6 MCC |
933 | |
934 | return 0; | |
935 | } | |
936 | ||
937 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
938 | { | |
939 | struct em28xx_fh *fh = priv; | |
940 | struct em28xx *dev = fh->dev; | |
941 | ||
efc52a94 MCC |
942 | mutex_lock(&dev->lock); |
943 | ||
35ae6f04 MCC |
944 | dev->ctl_ainput = INPUT(a->index)->amux; |
945 | dev->ctl_aoutput = INPUT(a->index)->aout; | |
e879b8eb MCC |
946 | |
947 | if (!dev->ctl_aoutput) | |
948 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
efc52a94 MCC |
949 | |
950 | mutex_unlock(&dev->lock); | |
195a4ef6 MCC |
951 | return 0; |
952 | } | |
953 | ||
954 | static int vidioc_queryctrl(struct file *file, void *priv, | |
955 | struct v4l2_queryctrl *qc) | |
956 | { | |
957 | struct em28xx_fh *fh = priv; | |
958 | struct em28xx *dev = fh->dev; | |
959 | int id = qc->id; | |
960 | int i; | |
961 | int rc; | |
962 | ||
963 | rc = check_dev(dev); | |
964 | if (rc < 0) | |
965 | return rc; | |
966 | ||
967 | memset(qc, 0, sizeof(*qc)); | |
968 | ||
969 | qc->id = id; | |
970 | ||
505b6d0b | 971 | if (!dev->board.has_msp34xx) { |
195a4ef6 MCC |
972 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { |
973 | if (qc->id && qc->id == em28xx_qctrl[i].id) { | |
974 | memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc)); | |
975 | return 0; | |
a6c2ba28 | 976 | } |
977 | } | |
195a4ef6 MCC |
978 | } |
979 | mutex_lock(&dev->lock); | |
980 | em28xx_i2c_call_clients(dev, VIDIOC_QUERYCTRL, qc); | |
981 | mutex_unlock(&dev->lock); | |
a6c2ba28 | 982 | |
195a4ef6 MCC |
983 | if (qc->type) |
984 | return 0; | |
985 | else | |
986 | return -EINVAL; | |
987 | } | |
a6c2ba28 | 988 | |
195a4ef6 MCC |
989 | static int vidioc_g_ctrl(struct file *file, void *priv, |
990 | struct v4l2_control *ctrl) | |
991 | { | |
992 | struct em28xx_fh *fh = priv; | |
993 | struct em28xx *dev = fh->dev; | |
994 | int rc; | |
a6c2ba28 | 995 | |
195a4ef6 MCC |
996 | rc = check_dev(dev); |
997 | if (rc < 0) | |
998 | return rc; | |
b6070f07 | 999 | rc = 0; |
efc52a94 | 1000 | |
195a4ef6 | 1001 | mutex_lock(&dev->lock); |
a6c2ba28 | 1002 | |
b6070f07 | 1003 | if (dev->board.has_msp34xx) |
195a4ef6 | 1004 | em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl); |
b6070f07 MCC |
1005 | else |
1006 | rc = em28xx_get_ctrl(dev, ctrl); | |
195a4ef6 MCC |
1007 | |
1008 | mutex_unlock(&dev->lock); | |
1009 | return rc; | |
1010 | } | |
1011 | ||
1012 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1013 | struct v4l2_control *ctrl) | |
1014 | { | |
1015 | struct em28xx_fh *fh = priv; | |
1016 | struct em28xx *dev = fh->dev; | |
1017 | u8 i; | |
1018 | int rc; | |
1019 | ||
1020 | rc = check_dev(dev); | |
1021 | if (rc < 0) | |
1022 | return rc; | |
1023 | ||
1024 | mutex_lock(&dev->lock); | |
1025 | ||
505b6d0b | 1026 | if (dev->board.has_msp34xx) |
195a4ef6 MCC |
1027 | em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl); |
1028 | else { | |
1029 | rc = 1; | |
1030 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { | |
1031 | if (ctrl->id == em28xx_qctrl[i].id) { | |
1032 | if (ctrl->value < em28xx_qctrl[i].minimum || | |
1033 | ctrl->value > em28xx_qctrl[i].maximum) { | |
1034 | rc = -ERANGE; | |
1035 | break; | |
1036 | } | |
1037 | ||
1038 | rc = em28xx_set_ctrl(dev, ctrl); | |
1039 | break; | |
1040 | } | |
a6c2ba28 | 1041 | } |
1042 | } | |
1043 | ||
195a4ef6 MCC |
1044 | /* Control not found - try to send it to the attached devices */ |
1045 | if (rc == 1) { | |
1046 | em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl); | |
1047 | rc = 0; | |
1048 | } | |
1049 | ||
5a80415b | 1050 | mutex_unlock(&dev->lock); |
195a4ef6 | 1051 | return rc; |
a6c2ba28 | 1052 | } |
1053 | ||
195a4ef6 MCC |
1054 | static int vidioc_g_tuner(struct file *file, void *priv, |
1055 | struct v4l2_tuner *t) | |
a6c2ba28 | 1056 | { |
195a4ef6 MCC |
1057 | struct em28xx_fh *fh = priv; |
1058 | struct em28xx *dev = fh->dev; | |
1059 | int rc; | |
1060 | ||
1061 | rc = check_dev(dev); | |
1062 | if (rc < 0) | |
1063 | return rc; | |
1064 | ||
1065 | if (0 != t->index) | |
1066 | return -EINVAL; | |
1067 | ||
1068 | strcpy(t->name, "Tuner"); | |
1069 | ||
1070 | mutex_lock(&dev->lock); | |
1071 | ||
1072 | em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t); | |
1073 | ||
1074 | mutex_unlock(&dev->lock); | |
1075 | return 0; | |
a6c2ba28 | 1076 | } |
1077 | ||
195a4ef6 MCC |
1078 | static int vidioc_s_tuner(struct file *file, void *priv, |
1079 | struct v4l2_tuner *t) | |
a6c2ba28 | 1080 | { |
195a4ef6 MCC |
1081 | struct em28xx_fh *fh = priv; |
1082 | struct em28xx *dev = fh->dev; | |
1083 | int rc; | |
63337dd3 | 1084 | |
195a4ef6 MCC |
1085 | rc = check_dev(dev); |
1086 | if (rc < 0) | |
1087 | return rc; | |
1088 | ||
1089 | if (0 != t->index) | |
1090 | return -EINVAL; | |
1091 | ||
1092 | mutex_lock(&dev->lock); | |
1093 | ||
1094 | em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t); | |
1095 | ||
1096 | mutex_unlock(&dev->lock); | |
1097 | return 0; | |
a6c2ba28 | 1098 | } |
1099 | ||
195a4ef6 MCC |
1100 | static int vidioc_g_frequency(struct file *file, void *priv, |
1101 | struct v4l2_frequency *f) | |
1102 | { | |
1103 | struct em28xx_fh *fh = priv; | |
1104 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 1105 | |
efc52a94 | 1106 | mutex_lock(&dev->lock); |
0be43754 | 1107 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
195a4ef6 | 1108 | f->frequency = dev->ctl_freq; |
efc52a94 | 1109 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
1110 | |
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1115 | struct v4l2_frequency *f) | |
a6c2ba28 | 1116 | { |
195a4ef6 MCC |
1117 | struct em28xx_fh *fh = priv; |
1118 | struct em28xx *dev = fh->dev; | |
1119 | int rc; | |
9c75541f | 1120 | |
195a4ef6 MCC |
1121 | rc = check_dev(dev); |
1122 | if (rc < 0) | |
1123 | return rc; | |
1124 | ||
1125 | if (0 != f->tuner) | |
1126 | return -EINVAL; | |
1127 | ||
0be43754 MCC |
1128 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) |
1129 | return -EINVAL; | |
1130 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
195a4ef6 | 1131 | return -EINVAL; |
a225452e MCC |
1132 | |
1133 | mutex_lock(&dev->lock); | |
a3a048ce | 1134 | |
195a4ef6 MCC |
1135 | dev->ctl_freq = f->frequency; |
1136 | em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f); | |
a6c2ba28 | 1137 | |
195a4ef6 | 1138 | mutex_unlock(&dev->lock); |
efc52a94 | 1139 | |
195a4ef6 MCC |
1140 | return 0; |
1141 | } | |
a6c2ba28 | 1142 | |
1e7ad56f MCC |
1143 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1144 | static int em28xx_reg_len(int reg) | |
1145 | { | |
1146 | switch (reg) { | |
41facaa4 MCC |
1147 | case EM28XX_R40_AC97LSB: |
1148 | case EM28XX_R30_HSCALELOW: | |
1149 | case EM28XX_R32_VSCALELOW: | |
1e7ad56f MCC |
1150 | return 2; |
1151 | default: | |
1152 | return 1; | |
1153 | } | |
1154 | } | |
1155 | ||
14983d81 MCC |
1156 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
1157 | struct v4l2_chip_ident *chip) | |
1158 | { | |
1159 | struct em28xx_fh *fh = priv; | |
1160 | struct em28xx *dev = fh->dev; | |
1161 | ||
1162 | chip->ident = V4L2_IDENT_NONE; | |
1163 | chip->revision = 0; | |
1164 | ||
1165 | em28xx_i2c_call_clients(dev, VIDIOC_G_CHIP_IDENT, chip); | |
1166 | ||
1167 | return 0; | |
1168 | } | |
1169 | ||
1170 | ||
1e7ad56f MCC |
1171 | static int vidioc_g_register(struct file *file, void *priv, |
1172 | struct v4l2_register *reg) | |
1173 | { | |
1174 | struct em28xx_fh *fh = priv; | |
1175 | struct em28xx *dev = fh->dev; | |
1176 | int ret; | |
1177 | ||
14983d81 MCC |
1178 | switch (reg->match_type) { |
1179 | case V4L2_CHIP_MATCH_AC97: | |
531c98e7 MCC |
1180 | mutex_lock(&dev->lock); |
1181 | ret = em28xx_read_ac97(dev, reg->reg); | |
1182 | mutex_unlock(&dev->lock); | |
1183 | if (ret < 0) | |
1184 | return ret; | |
1185 | ||
1186 | reg->val = ret; | |
1187 | return 0; | |
14983d81 MCC |
1188 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
1189 | em28xx_i2c_call_clients(dev, VIDIOC_DBG_G_REGISTER, reg); | |
1190 | return 0; | |
1191 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
1192 | /* Not supported yet */ | |
1e7ad56f | 1193 | return -EINVAL; |
14983d81 MCC |
1194 | default: |
1195 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) | |
1196 | return -EINVAL; | |
1197 | } | |
1e7ad56f | 1198 | |
14983d81 | 1199 | /* Match host */ |
1e7ad56f | 1200 | if (em28xx_reg_len(reg->reg) == 1) { |
efc52a94 | 1201 | mutex_lock(&dev->lock); |
1e7ad56f | 1202 | ret = em28xx_read_reg(dev, reg->reg); |
efc52a94 MCC |
1203 | mutex_unlock(&dev->lock); |
1204 | ||
1e7ad56f MCC |
1205 | if (ret < 0) |
1206 | return ret; | |
1207 | ||
1208 | reg->val = ret; | |
1209 | } else { | |
a954b668 | 1210 | __le64 val = 0; |
efc52a94 | 1211 | mutex_lock(&dev->lock); |
1e7ad56f MCC |
1212 | ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, |
1213 | reg->reg, (char *)&val, 2); | |
efc52a94 | 1214 | mutex_unlock(&dev->lock); |
1e7ad56f MCC |
1215 | if (ret < 0) |
1216 | return ret; | |
1217 | ||
a954b668 | 1218 | reg->val = le64_to_cpu(val); |
1e7ad56f MCC |
1219 | } |
1220 | ||
1221 | return 0; | |
1222 | } | |
1223 | ||
1224 | static int vidioc_s_register(struct file *file, void *priv, | |
1225 | struct v4l2_register *reg) | |
1226 | { | |
1227 | struct em28xx_fh *fh = priv; | |
1228 | struct em28xx *dev = fh->dev; | |
a954b668 | 1229 | __le64 buf; |
efc52a94 | 1230 | int rc; |
1e7ad56f | 1231 | |
14983d81 MCC |
1232 | switch (reg->match_type) { |
1233 | case V4L2_CHIP_MATCH_AC97: | |
531c98e7 MCC |
1234 | mutex_lock(&dev->lock); |
1235 | rc = em28xx_write_ac97(dev, reg->reg, reg->val); | |
1236 | mutex_unlock(&dev->lock); | |
1237 | ||
1238 | return rc; | |
14983d81 MCC |
1239 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
1240 | em28xx_i2c_call_clients(dev, VIDIOC_DBG_S_REGISTER, reg); | |
1241 | return 0; | |
1242 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
1243 | /* Not supported yet */ | |
1244 | return -EINVAL; | |
1245 | default: | |
1246 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) | |
1247 | return -EINVAL; | |
531c98e7 MCC |
1248 | } |
1249 | ||
14983d81 | 1250 | /* Match host */ |
a954b668 | 1251 | buf = cpu_to_le64(reg->val); |
1e7ad56f | 1252 | |
efc52a94 MCC |
1253 | mutex_lock(&dev->lock); |
1254 | rc = em28xx_write_regs(dev, reg->reg, (char *)&buf, | |
1255 | em28xx_reg_len(reg->reg)); | |
1256 | mutex_unlock(&dev->lock); | |
1257 | ||
1258 | return rc; | |
1e7ad56f MCC |
1259 | } |
1260 | #endif | |
1261 | ||
1262 | ||
195a4ef6 MCC |
1263 | static int vidioc_cropcap(struct file *file, void *priv, |
1264 | struct v4l2_cropcap *cc) | |
1265 | { | |
1266 | struct em28xx_fh *fh = priv; | |
1267 | struct em28xx *dev = fh->dev; | |
1268 | ||
1269 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
a6c2ba28 | 1270 | return -EINVAL; |
a6c2ba28 | 1271 | |
195a4ef6 MCC |
1272 | cc->bounds.left = 0; |
1273 | cc->bounds.top = 0; | |
1274 | cc->bounds.width = dev->width; | |
1275 | cc->bounds.height = dev->height; | |
1276 | cc->defrect = cc->bounds; | |
1277 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ | |
1278 | cc->pixelaspect.denominator = 59; | |
1279 | ||
1280 | return 0; | |
1281 | } | |
1282 | ||
1283 | static int vidioc_streamon(struct file *file, void *priv, | |
1284 | enum v4l2_buf_type type) | |
1285 | { | |
1286 | struct em28xx_fh *fh = priv; | |
1287 | struct em28xx *dev = fh->dev; | |
1288 | int rc; | |
1289 | ||
1290 | rc = check_dev(dev); | |
1291 | if (rc < 0) | |
1292 | return rc; | |
1293 | ||
195a4ef6 | 1294 | |
29b59417 MCC |
1295 | mutex_lock(&dev->lock); |
1296 | rc = res_get(fh); | |
29b59417 | 1297 | |
5db0b5e1 MCC |
1298 | if (likely(rc >= 0)) |
1299 | rc = videobuf_streamon(&fh->vb_vidq); | |
efc52a94 MCC |
1300 | |
1301 | mutex_unlock(&dev->lock); | |
1302 | ||
1303 | return rc; | |
195a4ef6 MCC |
1304 | } |
1305 | ||
1306 | static int vidioc_streamoff(struct file *file, void *priv, | |
1307 | enum v4l2_buf_type type) | |
1308 | { | |
1309 | struct em28xx_fh *fh = priv; | |
1310 | struct em28xx *dev = fh->dev; | |
1311 | int rc; | |
1312 | ||
1313 | rc = check_dev(dev); | |
1314 | if (rc < 0) | |
1315 | return rc; | |
1316 | ||
ad0ebb96 MCC |
1317 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1318 | return -EINVAL; | |
1319 | if (type != fh->type) | |
195a4ef6 MCC |
1320 | return -EINVAL; |
1321 | ||
7831364f | 1322 | mutex_lock(&dev->lock); |
efc52a94 MCC |
1323 | |
1324 | videobuf_streamoff(&fh->vb_vidq); | |
ad0ebb96 | 1325 | res_free(fh); |
efc52a94 | 1326 | |
7831364f | 1327 | mutex_unlock(&dev->lock); |
a6c2ba28 | 1328 | |
a6c2ba28 | 1329 | return 0; |
1330 | } | |
1331 | ||
195a4ef6 MCC |
1332 | static int vidioc_querycap(struct file *file, void *priv, |
1333 | struct v4l2_capability *cap) | |
a6c2ba28 | 1334 | { |
195a4ef6 MCC |
1335 | struct em28xx_fh *fh = priv; |
1336 | struct em28xx *dev = fh->dev; | |
1337 | ||
1338 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
1339 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
af128a10 | 1340 | strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info)); |
195a4ef6 MCC |
1341 | |
1342 | cap->version = EM28XX_VERSION_CODE; | |
1343 | ||
1344 | cap->capabilities = | |
1345 | V4L2_CAP_SLICED_VBI_CAPTURE | | |
1346 | V4L2_CAP_VIDEO_CAPTURE | | |
1347 | V4L2_CAP_AUDIO | | |
1348 | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; | |
1349 | ||
ed086314 | 1350 | if (dev->tuner_type != TUNER_ABSENT) |
195a4ef6 MCC |
1351 | cap->capabilities |= V4L2_CAP_TUNER; |
1352 | ||
1353 | return 0; | |
c0477ad9 MCC |
1354 | } |
1355 | ||
78b526a4 | 1356 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
bddcf633 | 1357 | struct v4l2_fmtdesc *f) |
a6c2ba28 | 1358 | { |
bddcf633 | 1359 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
c0477ad9 | 1360 | return -EINVAL; |
195a4ef6 | 1361 | |
bddcf633 MCC |
1362 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
1363 | f->pixelformat = format[f->index].fourcc; | |
195a4ef6 MCC |
1364 | |
1365 | return 0; | |
c0477ad9 MCC |
1366 | } |
1367 | ||
195a4ef6 | 1368 | /* Sliced VBI ioctls */ |
78b526a4 | 1369 | static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 | 1370 | struct v4l2_format *f) |
a6c2ba28 | 1371 | { |
195a4ef6 MCC |
1372 | struct em28xx_fh *fh = priv; |
1373 | struct em28xx *dev = fh->dev; | |
1374 | int rc; | |
a6c2ba28 | 1375 | |
195a4ef6 MCC |
1376 | rc = check_dev(dev); |
1377 | if (rc < 0) | |
1378 | return rc; | |
a6c2ba28 | 1379 | |
195a4ef6 MCC |
1380 | mutex_lock(&dev->lock); |
1381 | ||
1382 | f->fmt.sliced.service_set = 0; | |
1383 | ||
1384 | em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f); | |
1385 | ||
1386 | if (f->fmt.sliced.service_set == 0) | |
1387 | rc = -EINVAL; | |
1388 | ||
1389 | mutex_unlock(&dev->lock); | |
1390 | return rc; | |
1391 | } | |
1392 | ||
78b526a4 | 1393 | static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 MCC |
1394 | struct v4l2_format *f) |
1395 | { | |
1396 | struct em28xx_fh *fh = priv; | |
1397 | struct em28xx *dev = fh->dev; | |
1398 | int rc; | |
1399 | ||
1400 | rc = check_dev(dev); | |
1401 | if (rc < 0) | |
1402 | return rc; | |
1403 | ||
1404 | mutex_lock(&dev->lock); | |
1405 | em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f); | |
1406 | mutex_unlock(&dev->lock); | |
1407 | ||
1408 | if (f->fmt.sliced.service_set == 0) | |
1409 | return -EINVAL; | |
a6c2ba28 | 1410 | |
1411 | return 0; | |
1412 | } | |
1413 | ||
195a4ef6 MCC |
1414 | |
1415 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1416 | struct v4l2_requestbuffers *rb) | |
a6c2ba28 | 1417 | { |
195a4ef6 MCC |
1418 | struct em28xx_fh *fh = priv; |
1419 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 1420 | int rc; |
a6c2ba28 | 1421 | |
195a4ef6 MCC |
1422 | rc = check_dev(dev); |
1423 | if (rc < 0) | |
1424 | return rc; | |
a6c2ba28 | 1425 | |
ad0ebb96 | 1426 | return (videobuf_reqbufs(&fh->vb_vidq, rb)); |
a6c2ba28 | 1427 | } |
1428 | ||
195a4ef6 MCC |
1429 | static int vidioc_querybuf(struct file *file, void *priv, |
1430 | struct v4l2_buffer *b) | |
e5589bef | 1431 | { |
195a4ef6 MCC |
1432 | struct em28xx_fh *fh = priv; |
1433 | struct em28xx *dev = fh->dev; | |
1434 | int rc; | |
e5589bef | 1435 | |
195a4ef6 MCC |
1436 | rc = check_dev(dev); |
1437 | if (rc < 0) | |
1438 | return rc; | |
2d50f847 | 1439 | |
ad0ebb96 | 1440 | return (videobuf_querybuf(&fh->vb_vidq, b)); |
195a4ef6 MCC |
1441 | } |
1442 | ||
1443 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1444 | { | |
1445 | struct em28xx_fh *fh = priv; | |
1446 | struct em28xx *dev = fh->dev; | |
195a4ef6 MCC |
1447 | int rc; |
1448 | ||
1449 | rc = check_dev(dev); | |
1450 | if (rc < 0) | |
1451 | return rc; | |
1452 | ||
ad0ebb96 | 1453 | return (videobuf_qbuf(&fh->vb_vidq, b)); |
e5589bef MCC |
1454 | } |
1455 | ||
195a4ef6 | 1456 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
2d50f847 | 1457 | { |
195a4ef6 MCC |
1458 | struct em28xx_fh *fh = priv; |
1459 | struct em28xx *dev = fh->dev; | |
1460 | int rc; | |
195a4ef6 MCC |
1461 | |
1462 | rc = check_dev(dev); | |
1463 | if (rc < 0) | |
1464 | return rc; | |
2d50f847 | 1465 | |
ad0ebb96 MCC |
1466 | return (videobuf_dqbuf(&fh->vb_vidq, b, |
1467 | file->f_flags & O_NONBLOCK)); | |
1468 | } | |
2d50f847 | 1469 | |
ad0ebb96 | 1470 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
f245e549 | 1471 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) |
ad0ebb96 | 1472 | { |
f245e549 | 1473 | struct em28xx_fh *fh = priv; |
2d50f847 | 1474 | |
f245e549 | 1475 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); |
195a4ef6 | 1476 | } |
ad0ebb96 MCC |
1477 | #endif |
1478 | ||
2d50f847 | 1479 | |
0be43754 MCC |
1480 | /* ----------------------------------------------------------- */ |
1481 | /* RADIO ESPECIFIC IOCTLS */ | |
1482 | /* ----------------------------------------------------------- */ | |
1483 | ||
1484 | static int radio_querycap(struct file *file, void *priv, | |
1485 | struct v4l2_capability *cap) | |
1486 | { | |
1487 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1488 | ||
1489 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
1490 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
af128a10 | 1491 | strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info)); |
0be43754 MCC |
1492 | |
1493 | cap->version = EM28XX_VERSION_CODE; | |
1494 | cap->capabilities = V4L2_CAP_TUNER; | |
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | static int radio_g_tuner(struct file *file, void *priv, | |
1499 | struct v4l2_tuner *t) | |
1500 | { | |
1501 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1502 | ||
1503 | if (unlikely(t->index > 0)) | |
1504 | return -EINVAL; | |
1505 | ||
1506 | strcpy(t->name, "Radio"); | |
1507 | t->type = V4L2_TUNER_RADIO; | |
1508 | ||
efc52a94 | 1509 | mutex_lock(&dev->lock); |
0be43754 | 1510 | em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t); |
efc52a94 MCC |
1511 | mutex_unlock(&dev->lock); |
1512 | ||
0be43754 MCC |
1513 | return 0; |
1514 | } | |
1515 | ||
1516 | static int radio_enum_input(struct file *file, void *priv, | |
1517 | struct v4l2_input *i) | |
1518 | { | |
1519 | if (i->index != 0) | |
1520 | return -EINVAL; | |
1521 | strcpy(i->name, "Radio"); | |
1522 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1523 | ||
1524 | return 0; | |
1525 | } | |
1526 | ||
1527 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1528 | { | |
1529 | if (unlikely(a->index)) | |
1530 | return -EINVAL; | |
1531 | ||
1532 | strcpy(a->name, "Radio"); | |
1533 | return 0; | |
1534 | } | |
1535 | ||
1536 | static int radio_s_tuner(struct file *file, void *priv, | |
1537 | struct v4l2_tuner *t) | |
1538 | { | |
1539 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1540 | ||
1541 | if (0 != t->index) | |
1542 | return -EINVAL; | |
1543 | ||
efc52a94 | 1544 | mutex_lock(&dev->lock); |
0be43754 | 1545 | em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t); |
efc52a94 | 1546 | mutex_unlock(&dev->lock); |
0be43754 MCC |
1547 | |
1548 | return 0; | |
1549 | } | |
1550 | ||
1551 | static int radio_s_audio(struct file *file, void *fh, | |
1552 | struct v4l2_audio *a) | |
1553 | { | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | static int radio_s_input(struct file *file, void *fh, unsigned int i) | |
1558 | { | |
1559 | return 0; | |
1560 | } | |
1561 | ||
1562 | static int radio_queryctrl(struct file *file, void *priv, | |
1563 | struct v4l2_queryctrl *qc) | |
1564 | { | |
1565 | int i; | |
1566 | ||
1567 | if (qc->id < V4L2_CID_BASE || | |
1568 | qc->id >= V4L2_CID_LASTP1) | |
1569 | return -EINVAL; | |
1570 | ||
1571 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { | |
1572 | if (qc->id && qc->id == em28xx_qctrl[i].id) { | |
1573 | memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc)); | |
1574 | return 0; | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | return -EINVAL; | |
1579 | } | |
1580 | ||
195a4ef6 MCC |
1581 | /* |
1582 | * em28xx_v4l2_open() | |
1583 | * inits the device and starts isoc transfer | |
1584 | */ | |
1585 | static int em28xx_v4l2_open(struct inode *inode, struct file *filp) | |
1586 | { | |
1587 | int minor = iminor(inode); | |
1a23f81b MCC |
1588 | int errCode = 0, radio; |
1589 | struct em28xx *dev; | |
1590 | enum v4l2_buf_type fh_type; | |
195a4ef6 | 1591 | struct em28xx_fh *fh; |
2d50f847 | 1592 | |
1a23f81b | 1593 | dev = em28xx_get_device(inode, &fh_type, &radio); |
efc52a94 | 1594 | |
818a557e | 1595 | if (NULL == dev) |
195a4ef6 | 1596 | return -ENODEV; |
818a557e MCC |
1597 | |
1598 | mutex_lock(&dev->lock); | |
2d50f847 | 1599 | |
195a4ef6 | 1600 | em28xx_videodbg("open minor=%d type=%s users=%d\n", |
d7aa8020 | 1601 | minor, v4l2_type_names[fh_type], dev->users); |
2d50f847 | 1602 | |
9aeb4b05 | 1603 | |
c67ec53f | 1604 | fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); |
195a4ef6 MCC |
1605 | if (!fh) { |
1606 | em28xx_errdev("em28xx-video.c: Out of memory?!\n"); | |
818a557e | 1607 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
1608 | return -ENOMEM; |
1609 | } | |
195a4ef6 | 1610 | fh->dev = dev; |
0be43754 | 1611 | fh->radio = radio; |
d7aa8020 | 1612 | fh->type = fh_type; |
195a4ef6 | 1613 | filp->private_data = fh; |
9aeb4b05 | 1614 | |
d7aa8020 | 1615 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
195a4ef6 MCC |
1616 | dev->width = norm_maxw(dev); |
1617 | dev->height = norm_maxh(dev); | |
195a4ef6 MCC |
1618 | dev->hscale = 0; |
1619 | dev->vscale = 0; | |
2d50f847 | 1620 | |
c67ec53f | 1621 | em28xx_set_mode(dev, EM28XX_ANALOG_MODE); |
3687e1e6 | 1622 | em28xx_set_alternate(dev); |
195a4ef6 | 1623 | em28xx_resolution_set(dev); |
2d50f847 | 1624 | |
c67ec53f MCC |
1625 | /* Needed, since GPIO might have disabled power of |
1626 | some i2c device | |
1627 | */ | |
1a23f81b | 1628 | em28xx_wake_i2c(dev); |
c67ec53f | 1629 | |
2d50f847 | 1630 | } |
0be43754 MCC |
1631 | if (fh->radio) { |
1632 | em28xx_videodbg("video_open: setting radio device\n"); | |
1633 | em28xx_i2c_call_clients(dev, AUDC_SET_RADIO, NULL); | |
1634 | } | |
2d50f847 | 1635 | |
195a4ef6 | 1636 | dev->users++; |
2d50f847 | 1637 | |
ad0ebb96 MCC |
1638 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, |
1639 | NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED, | |
1640 | sizeof(struct em28xx_buffer), fh); | |
1641 | ||
195a4ef6 | 1642 | mutex_unlock(&dev->lock); |
c67ec53f | 1643 | |
195a4ef6 | 1644 | return errCode; |
2d50f847 | 1645 | } |
e5589bef | 1646 | |
a6c2ba28 | 1647 | /* |
195a4ef6 MCC |
1648 | * em28xx_realease_resources() |
1649 | * unregisters the v4l2,i2c and usb devices | |
1650 | * called when the device gets disconected or at module unload | |
1651 | */ | |
1a23f81b | 1652 | void em28xx_release_analog_resources(struct em28xx *dev) |
a6c2ba28 | 1653 | { |
a6c2ba28 | 1654 | |
195a4ef6 | 1655 | /*FIXME: I2C IR should be disconnected */ |
a6c2ba28 | 1656 | |
0be43754 MCC |
1657 | if (dev->radio_dev) { |
1658 | if (-1 != dev->radio_dev->minor) | |
1659 | video_unregister_device(dev->radio_dev); | |
1660 | else | |
1661 | video_device_release(dev->radio_dev); | |
1662 | dev->radio_dev = NULL; | |
1663 | } | |
1664 | if (dev->vbi_dev) { | |
49240444 DH |
1665 | em28xx_info("V4L2 device /dev/vbi%d deregistered\n", |
1666 | dev->vbi_dev->num); | |
0be43754 MCC |
1667 | if (-1 != dev->vbi_dev->minor) |
1668 | video_unregister_device(dev->vbi_dev); | |
1669 | else | |
1670 | video_device_release(dev->vbi_dev); | |
1671 | dev->vbi_dev = NULL; | |
1672 | } | |
1673 | if (dev->vdev) { | |
49240444 DH |
1674 | em28xx_info("V4L2 device /dev/video%d deregistered\n", |
1675 | dev->vdev->num); | |
0be43754 MCC |
1676 | if (-1 != dev->vdev->minor) |
1677 | video_unregister_device(dev->vdev); | |
1678 | else | |
1679 | video_device_release(dev->vdev); | |
1680 | dev->vdev = NULL; | |
1681 | } | |
195a4ef6 | 1682 | } |
a6c2ba28 | 1683 | |
195a4ef6 MCC |
1684 | /* |
1685 | * em28xx_v4l2_close() | |
6ea54d93 DSL |
1686 | * stops streaming and deallocates all resources allocated by the v4l2 |
1687 | * calls and ioctls | |
195a4ef6 MCC |
1688 | */ |
1689 | static int em28xx_v4l2_close(struct inode *inode, struct file *filp) | |
1690 | { | |
1691 | struct em28xx_fh *fh = filp->private_data; | |
1692 | struct em28xx *dev = fh->dev; | |
1693 | int errCode; | |
a6c2ba28 | 1694 | |
195a4ef6 | 1695 | em28xx_videodbg("users=%d\n", dev->users); |
a6c2ba28 | 1696 | |
a6c2ba28 | 1697 | |
7831364f | 1698 | mutex_lock(&dev->lock); |
195a4ef6 MCC |
1699 | if (res_check(fh)) |
1700 | res_free(fh); | |
a6c2ba28 | 1701 | |
195a4ef6 | 1702 | if (dev->users == 1) { |
ad0ebb96 MCC |
1703 | videobuf_stop(&fh->vb_vidq); |
1704 | videobuf_mmap_free(&fh->vb_vidq); | |
a6c2ba28 | 1705 | |
195a4ef6 MCC |
1706 | /* the device is already disconnect, |
1707 | free the remaining resources */ | |
1708 | if (dev->state & DEV_DISCONNECTED) { | |
1709 | em28xx_release_resources(dev); | |
1710 | mutex_unlock(&dev->lock); | |
1711 | kfree(dev); | |
1712 | return 0; | |
1713 | } | |
a6c2ba28 | 1714 | |
eb6c9634 MCC |
1715 | /* Save some power by putting tuner to sleep */ |
1716 | em28xx_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL); | |
1717 | ||
d7aa8020 AT |
1718 | /* do this before setting alternate! */ |
1719 | em28xx_uninit_isoc(dev); | |
2fe3e2ee | 1720 | em28xx_set_mode(dev, EM28XX_SUSPEND); |
d7aa8020 | 1721 | |
195a4ef6 MCC |
1722 | /* set alternate 0 */ |
1723 | dev->alt = 0; | |
1724 | em28xx_videodbg("setting alternate 0\n"); | |
1725 | errCode = usb_set_interface(dev->udev, 0, 0); | |
1726 | if (errCode < 0) { | |
1727 | em28xx_errdev("cannot change alternate number to " | |
1728 | "0 (error=%i)\n", errCode); | |
1729 | } | |
9aeb4b05 | 1730 | } |
195a4ef6 MCC |
1731 | kfree(fh); |
1732 | dev->users--; | |
1733 | wake_up_interruptible_nr(&dev->open, 1); | |
1734 | mutex_unlock(&dev->lock); | |
1735 | return 0; | |
1736 | } | |
a6c2ba28 | 1737 | |
195a4ef6 MCC |
1738 | /* |
1739 | * em28xx_v4l2_read() | |
1740 | * will allocate buffers when called for the first time | |
1741 | */ | |
1742 | static ssize_t | |
6ea54d93 | 1743 | em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, |
f245e549 | 1744 | loff_t *pos) |
195a4ef6 | 1745 | { |
195a4ef6 MCC |
1746 | struct em28xx_fh *fh = filp->private_data; |
1747 | struct em28xx *dev = fh->dev; | |
ad0ebb96 MCC |
1748 | int rc; |
1749 | ||
1750 | rc = check_dev(dev); | |
1751 | if (rc < 0) | |
1752 | return rc; | |
a6c2ba28 | 1753 | |
195a4ef6 MCC |
1754 | /* FIXME: read() is not prepared to allow changing the video |
1755 | resolution while streaming. Seems a bug at em28xx_set_fmt | |
1756 | */ | |
a6c2ba28 | 1757 | |
ad0ebb96 | 1758 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
29b59417 MCC |
1759 | mutex_lock(&dev->lock); |
1760 | rc = res_get(fh); | |
1761 | mutex_unlock(&dev->lock); | |
1762 | ||
1763 | if (unlikely(rc < 0)) | |
1764 | return rc; | |
195a4ef6 | 1765 | |
ad0ebb96 MCC |
1766 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, |
1767 | filp->f_flags & O_NONBLOCK); | |
195a4ef6 | 1768 | } |
ad0ebb96 | 1769 | return 0; |
a6c2ba28 | 1770 | } |
1771 | ||
1772 | /* | |
195a4ef6 MCC |
1773 | * em28xx_v4l2_poll() |
1774 | * will allocate buffers when called for the first time | |
a6c2ba28 | 1775 | */ |
195a4ef6 | 1776 | static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait) |
a6c2ba28 | 1777 | { |
a3a048ce | 1778 | struct em28xx_fh *fh = filp->private_data; |
195a4ef6 | 1779 | struct em28xx *dev = fh->dev; |
ad0ebb96 MCC |
1780 | int rc; |
1781 | ||
1782 | rc = check_dev(dev); | |
1783 | if (rc < 0) | |
1784 | return rc; | |
a6c2ba28 | 1785 | |
29b59417 MCC |
1786 | mutex_lock(&dev->lock); |
1787 | rc = res_get(fh); | |
1788 | mutex_unlock(&dev->lock); | |
1789 | ||
1790 | if (unlikely(rc < 0)) | |
195a4ef6 | 1791 | return POLLERR; |
a6c2ba28 | 1792 | |
ad0ebb96 MCC |
1793 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
1794 | return POLLERR; | |
a6c2ba28 | 1795 | |
ad0ebb96 | 1796 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
195a4ef6 | 1797 | } |
a6c2ba28 | 1798 | |
195a4ef6 MCC |
1799 | /* |
1800 | * em28xx_v4l2_mmap() | |
1801 | */ | |
1802 | static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1803 | { | |
1804 | struct em28xx_fh *fh = filp->private_data; | |
1805 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 1806 | int rc; |
a6c2ba28 | 1807 | |
ad0ebb96 MCC |
1808 | rc = check_dev(dev); |
1809 | if (rc < 0) | |
1810 | return rc; | |
a6c2ba28 | 1811 | |
29b59417 MCC |
1812 | mutex_lock(&dev->lock); |
1813 | rc = res_get(fh); | |
1814 | mutex_unlock(&dev->lock); | |
1815 | ||
1816 | if (unlikely(rc < 0)) | |
1817 | return rc; | |
1818 | ||
ad0ebb96 | 1819 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
a6c2ba28 | 1820 | |
ad0ebb96 MCC |
1821 | em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", |
1822 | (unsigned long)vma->vm_start, | |
1823 | (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, | |
1824 | rc); | |
a6c2ba28 | 1825 | |
ad0ebb96 | 1826 | return rc; |
a6c2ba28 | 1827 | } |
1828 | ||
fa027c2a | 1829 | static const struct file_operations em28xx_v4l_fops = { |
195a4ef6 MCC |
1830 | .owner = THIS_MODULE, |
1831 | .open = em28xx_v4l2_open, | |
1832 | .release = em28xx_v4l2_close, | |
1833 | .read = em28xx_v4l2_read, | |
1834 | .poll = em28xx_v4l2_poll, | |
1835 | .mmap = em28xx_v4l2_mmap, | |
1836 | .ioctl = video_ioctl2, | |
1837 | .llseek = no_llseek, | |
1838 | .compat_ioctl = v4l_compat_ioctl32, | |
1839 | }; | |
17cbe2e5 | 1840 | |
a399810c | 1841 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
195a4ef6 | 1842 | .vidioc_querycap = vidioc_querycap, |
78b526a4 HV |
1843 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1844 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1845 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1846 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
195a4ef6 MCC |
1847 | .vidioc_g_audio = vidioc_g_audio, |
1848 | .vidioc_s_audio = vidioc_s_audio, | |
1849 | .vidioc_cropcap = vidioc_cropcap, | |
1850 | ||
78b526a4 HV |
1851 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
1852 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1853 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
195a4ef6 MCC |
1854 | |
1855 | .vidioc_reqbufs = vidioc_reqbufs, | |
1856 | .vidioc_querybuf = vidioc_querybuf, | |
1857 | .vidioc_qbuf = vidioc_qbuf, | |
1858 | .vidioc_dqbuf = vidioc_dqbuf, | |
1859 | .vidioc_s_std = vidioc_s_std, | |
1860 | .vidioc_enum_input = vidioc_enum_input, | |
1861 | .vidioc_g_input = vidioc_g_input, | |
1862 | .vidioc_s_input = vidioc_s_input, | |
1863 | .vidioc_queryctrl = vidioc_queryctrl, | |
1864 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1865 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1866 | .vidioc_streamon = vidioc_streamon, | |
1867 | .vidioc_streamoff = vidioc_streamoff, | |
1868 | .vidioc_g_tuner = vidioc_g_tuner, | |
1869 | .vidioc_s_tuner = vidioc_s_tuner, | |
1870 | .vidioc_g_frequency = vidioc_g_frequency, | |
1871 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
1872 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1873 | .vidioc_g_register = vidioc_g_register, | |
1874 | .vidioc_s_register = vidioc_s_register, | |
14983d81 | 1875 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
1e7ad56f | 1876 | #endif |
ad0ebb96 MCC |
1877 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
1878 | .vidiocgmbuf = vidiocgmbuf, | |
1879 | #endif | |
a399810c HV |
1880 | }; |
1881 | ||
1882 | static const struct video_device em28xx_video_template = { | |
1883 | .fops = &em28xx_v4l_fops, | |
1884 | .release = video_device_release, | |
1885 | .ioctl_ops = &video_ioctl_ops, | |
1886 | ||
1887 | .minor = -1, | |
195a4ef6 MCC |
1888 | |
1889 | .tvnorms = V4L2_STD_ALL, | |
7d497f8a | 1890 | .current_norm = V4L2_STD_PAL, |
a6c2ba28 | 1891 | }; |
1892 | ||
a399810c HV |
1893 | static const struct file_operations radio_fops = { |
1894 | .owner = THIS_MODULE, | |
1895 | .open = em28xx_v4l2_open, | |
1896 | .release = em28xx_v4l2_close, | |
1897 | .ioctl = video_ioctl2, | |
1898 | .compat_ioctl = v4l_compat_ioctl32, | |
1899 | .llseek = no_llseek, | |
1900 | }; | |
1901 | ||
1902 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
0be43754 MCC |
1903 | .vidioc_querycap = radio_querycap, |
1904 | .vidioc_g_tuner = radio_g_tuner, | |
1905 | .vidioc_enum_input = radio_enum_input, | |
1906 | .vidioc_g_audio = radio_g_audio, | |
1907 | .vidioc_s_tuner = radio_s_tuner, | |
1908 | .vidioc_s_audio = radio_s_audio, | |
1909 | .vidioc_s_input = radio_s_input, | |
1910 | .vidioc_queryctrl = radio_queryctrl, | |
1911 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1912 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1913 | .vidioc_g_frequency = vidioc_g_frequency, | |
1914 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
1915 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1916 | .vidioc_g_register = vidioc_g_register, | |
1917 | .vidioc_s_register = vidioc_s_register, | |
1918 | #endif | |
0be43754 MCC |
1919 | }; |
1920 | ||
a399810c HV |
1921 | static struct video_device em28xx_radio_template = { |
1922 | .name = "em28xx-radio", | |
a399810c HV |
1923 | .fops = &radio_fops, |
1924 | .ioctl_ops = &radio_ioctl_ops, | |
1925 | .minor = -1, | |
1926 | }; | |
1927 | ||
6ea54d93 | 1928 | /******************************** usb interface ******************************/ |
a6c2ba28 | 1929 | |
6d79468d | 1930 | |
6d79468d | 1931 | |
532fe652 AB |
1932 | static struct video_device *em28xx_vdev_init(struct em28xx *dev, |
1933 | const struct video_device *template, | |
532fe652 | 1934 | const char *type_name) |
0be43754 MCC |
1935 | { |
1936 | struct video_device *vfd; | |
1937 | ||
1938 | vfd = video_device_alloc(); | |
1939 | if (NULL == vfd) | |
1940 | return NULL; | |
1941 | *vfd = *template; | |
1942 | vfd->minor = -1; | |
5e85e732 | 1943 | vfd->parent = &dev->udev->dev; |
0be43754 | 1944 | vfd->release = video_device_release; |
e9e6040d | 1945 | vfd->debug = video_debug; |
0be43754 MCC |
1946 | |
1947 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", | |
1948 | dev->name, type_name); | |
1949 | ||
1950 | return vfd; | |
1951 | } | |
1952 | ||
2e5ef2df | 1953 | int em28xx_register_analog_devices(struct em28xx *dev) |
1a23f81b | 1954 | { |
2e5ef2df MCC |
1955 | int ret; |
1956 | ||
1a23f81b MCC |
1957 | printk(KERN_INFO "%s: v4l2 driver version %d.%d.%d\n", |
1958 | dev->name, | |
1959 | (EM28XX_VERSION_CODE >> 16) & 0xff, | |
1960 | (EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff); | |
1961 | ||
1962 | /* Analog specific initialization */ | |
1963 | dev->format = &format[0]; | |
1964 | video_mux(dev, 0); | |
1965 | ||
1966 | /* enable vbi capturing */ | |
1967 | ||
1968 | /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ | |
1969 | /* em28xx_write_reg(dev, EM28XX_R0F_XCLK, 0x80); clk register */ | |
1970 | em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x51); | |
1971 | ||
1972 | dev->mute = 1; /* maybe not the right place... */ | |
1973 | dev->volume = 0x1f; | |
1974 | ||
1975 | em28xx_set_outfmt(dev); | |
1976 | em28xx_colorlevels_set_default(dev); | |
1977 | em28xx_compression_disable(dev); | |
1978 | ||
1979 | /* set default norm */ | |
1980 | dev->norm = em28xx_video_template.current_norm; | |
1981 | dev->width = norm_maxw(dev); | |
1982 | dev->height = norm_maxh(dev); | |
1983 | dev->interlaced = EM28XX_INTERLACED_DEFAULT; | |
1984 | dev->hscale = 0; | |
1985 | dev->vscale = 0; | |
1986 | ||
1987 | /* FIXME: This is a very bad hack! Not all devices have TV on input 2 */ | |
1988 | dev->ctl_input = 2; | |
1989 | ||
818a557e MCC |
1990 | /* allocate and fill video video_device struct */ |
1991 | dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); | |
1992 | if (!dev->vdev) { | |
1993 | em28xx_errdev("cannot allocate video_device.\n"); | |
1994 | return -ENODEV; | |
1995 | } | |
1996 | ||
1997 | /* register v4l2 video video_device */ | |
1998 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, | |
1999 | video_nr[dev->devno]); | |
2000 | if (ret) { | |
2001 | em28xx_errdev("unable to register video device (error=%i).\n", | |
2002 | ret); | |
2003 | return ret; | |
2004 | } | |
2005 | ||
2006 | /* Allocate and fill vbi video_device struct */ | |
2007 | dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi"); | |
2008 | ||
2009 | /* register v4l2 vbi video_device */ | |
2010 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, | |
2011 | vbi_nr[dev->devno]); | |
2012 | if (ret < 0) { | |
2013 | em28xx_errdev("unable to register vbi device\n"); | |
2014 | return ret; | |
2015 | } | |
2016 | ||
2017 | if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { | |
2018 | dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, "radio"); | |
2019 | if (!dev->radio_dev) { | |
2020 | em28xx_errdev("cannot allocate video_device.\n"); | |
2021 | return -ENODEV; | |
2022 | } | |
2023 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, | |
2024 | radio_nr[dev->devno]); | |
2025 | if (ret < 0) { | |
2026 | em28xx_errdev("can't register radio device\n"); | |
2027 | return ret; | |
2028 | } | |
2029 | em28xx_info("Registered radio device as /dev/radio%d\n", | |
2030 | dev->radio_dev->num); | |
2031 | } | |
2032 | ||
2033 | em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", | |
2034 | dev->vdev->num, dev->vbi_dev->num); | |
2035 | ||
2036 | return 0; | |
2037 | } |