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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)); | |
a1a6ee74 NS |
189 | remain = (char *)outp + buf->vb.size - (char *)startwrite; |
190 | lencopy = remain; | |
d7aa8020 | 191 | } |
e0fadfd3 AT |
192 | if (lencopy <= 0) |
193 | return; | |
d7aa8020 | 194 | memcpy(startwrite, startread, lencopy); |
ad0ebb96 MCC |
195 | |
196 | remain -= lencopy; | |
197 | ||
198 | while (remain > 0) { | |
44dc733c | 199 | startwrite += lencopy + bytesperline; |
ad0ebb96 | 200 | startread += lencopy; |
44dc733c | 201 | if (bytesperline > remain) |
ad0ebb96 MCC |
202 | lencopy = remain; |
203 | else | |
44dc733c | 204 | lencopy = bytesperline; |
ad0ebb96 | 205 | |
a1a6ee74 NS |
206 | if ((char *)startwrite + lencopy > (char *)outp + |
207 | buf->vb.size) { | |
ea8df7e0 | 208 | em28xx_isocdbg("Overflow of %zi bytes past buffer end (2)\n", |
f245e549 MCC |
209 | ((char *)startwrite + lencopy) - |
210 | ((char *)outp + buf->vb.size)); | |
211 | lencopy = remain = (char *)outp + buf->vb.size - | |
212 | (char *)startwrite; | |
d7aa8020 | 213 | } |
f245e549 MCC |
214 | if (lencopy <= 0) |
215 | break; | |
d7aa8020 AT |
216 | |
217 | memcpy(startwrite, startread, lencopy); | |
ad0ebb96 MCC |
218 | |
219 | remain -= lencopy; | |
220 | } | |
221 | ||
222 | dma_q->pos += len; | |
223 | } | |
224 | ||
f245e549 | 225 | static inline void print_err_status(struct em28xx *dev, |
ad0ebb96 MCC |
226 | int packet, int status) |
227 | { | |
228 | char *errmsg = "Unknown"; | |
229 | ||
f245e549 | 230 | switch (status) { |
ad0ebb96 MCC |
231 | case -ENOENT: |
232 | errmsg = "unlinked synchronuously"; | |
233 | break; | |
234 | case -ECONNRESET: | |
235 | errmsg = "unlinked asynchronuously"; | |
236 | break; | |
237 | case -ENOSR: | |
238 | errmsg = "Buffer error (overrun)"; | |
239 | break; | |
240 | case -EPIPE: | |
241 | errmsg = "Stalled (device not responding)"; | |
242 | break; | |
243 | case -EOVERFLOW: | |
244 | errmsg = "Babble (bad cable?)"; | |
245 | break; | |
246 | case -EPROTO: | |
247 | errmsg = "Bit-stuff error (bad cable?)"; | |
248 | break; | |
249 | case -EILSEQ: | |
250 | errmsg = "CRC/Timeout (could be anything)"; | |
251 | break; | |
252 | case -ETIME: | |
253 | errmsg = "Device does not respond"; | |
254 | break; | |
255 | } | |
f245e549 | 256 | if (packet < 0) { |
ad0ebb96 MCC |
257 | em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
258 | } else { | |
259 | em28xx_isocdbg("URB packet %d, status %d [%s].\n", | |
260 | packet, status, errmsg); | |
261 | } | |
262 | } | |
263 | ||
264 | /* | |
265 | * video-buf generic routine to get the next available buffer | |
266 | */ | |
3b5fa928 | 267 | static inline void get_next_buf(struct em28xx_dmaqueue *dma_q, |
ad0ebb96 MCC |
268 | struct em28xx_buffer **buf) |
269 | { | |
270 | struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); | |
dbecb44c | 271 | char *outp; |
ad0ebb96 | 272 | |
dbecb44c MCC |
273 | if (list_empty(&dma_q->active)) { |
274 | em28xx_isocdbg("No active queue to serve\n"); | |
dbecb44c MCC |
275 | dev->isoc_ctl.buf = NULL; |
276 | *buf = NULL; | |
3b5fa928 | 277 | return; |
dbecb44c MCC |
278 | } |
279 | ||
dbecb44c MCC |
280 | /* Get the next buffer */ |
281 | *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); | |
282 | ||
dbecb44c MCC |
283 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ |
284 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
285 | memset(outp, 0, (*buf)->vb.size); | |
cb784724 MCC |
286 | |
287 | dev->isoc_ctl.buf = *buf; | |
288 | ||
3b5fa928 | 289 | return; |
ad0ebb96 MCC |
290 | } |
291 | ||
292 | /* | |
293 | * Controls the isoc copy of each urb packet | |
294 | */ | |
579f72e4 | 295 | static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb) |
ad0ebb96 | 296 | { |
d7aa8020 | 297 | struct em28xx_buffer *buf; |
ad0ebb96 | 298 | struct em28xx_dmaqueue *dma_q = urb->context; |
3b5fa928 | 299 | unsigned char *outp = NULL; |
ad0ebb96 | 300 | int i, len = 0, rc = 1; |
d7aa8020 | 301 | unsigned char *p; |
ad0ebb96 MCC |
302 | |
303 | if (!dev) | |
304 | return 0; | |
305 | ||
306 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
307 | return 0; | |
308 | ||
f245e549 MCC |
309 | if (urb->status < 0) { |
310 | print_err_status(dev, -1, urb->status); | |
ad0ebb96 MCC |
311 | if (urb->status == -ENOENT) |
312 | return 0; | |
313 | } | |
314 | ||
3b5fa928 AT |
315 | buf = dev->isoc_ctl.buf; |
316 | if (buf != NULL) | |
317 | outp = videobuf_to_vmalloc(&buf->vb); | |
d7aa8020 | 318 | |
ad0ebb96 MCC |
319 | for (i = 0; i < urb->number_of_packets; i++) { |
320 | int status = urb->iso_frame_desc[i].status; | |
321 | ||
f245e549 MCC |
322 | if (status < 0) { |
323 | print_err_status(dev, i, status); | |
ad0ebb96 MCC |
324 | if (urb->iso_frame_desc[i].status != -EPROTO) |
325 | continue; | |
326 | } | |
327 | ||
f245e549 | 328 | len = urb->iso_frame_desc[i].actual_length - 4; |
ad0ebb96 MCC |
329 | |
330 | if (urb->iso_frame_desc[i].actual_length <= 0) { | |
d7aa8020 | 331 | /* em28xx_isocdbg("packet %d is empty",i); - spammy */ |
ad0ebb96 MCC |
332 | continue; |
333 | } | |
334 | if (urb->iso_frame_desc[i].actual_length > | |
335 | dev->max_pkt_size) { | |
336 | em28xx_isocdbg("packet bigger than packet size"); | |
337 | continue; | |
338 | } | |
339 | ||
340 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ad0ebb96 MCC |
341 | |
342 | /* FIXME: incomplete buffer checks where removed to make | |
343 | logic simpler. Impacts of those changes should be evaluated | |
344 | */ | |
b4916f8c MCC |
345 | if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { |
346 | em28xx_isocdbg("VBI HEADER!!!\n"); | |
347 | /* FIXME: Should add vbi copy */ | |
348 | continue; | |
349 | } | |
d7aa8020 | 350 | if (p[0] == 0x22 && p[1] == 0x5a) { |
78bb3949 | 351 | em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], |
a1a6ee74 | 352 | len, (p[2] & 1) ? "odd" : "even"); |
d7aa8020 | 353 | |
3b5fa928 AT |
354 | if (!(p[2] & 1)) { |
355 | if (buf != NULL) | |
356 | buffer_filled(dev, dma_q, buf); | |
357 | get_next_buf(dma_q, &buf); | |
358 | if (buf == NULL) | |
359 | outp = NULL; | |
360 | else | |
361 | outp = videobuf_to_vmalloc(&buf->vb); | |
362 | } | |
363 | ||
364 | if (buf != NULL) { | |
365 | if (p[2] & 1) | |
366 | buf->top_field = 0; | |
367 | else | |
368 | buf->top_field = 1; | |
e0fadfd3 | 369 | } |
b4916f8c | 370 | |
ad0ebb96 | 371 | dma_q->pos = 0; |
ad0ebb96 | 372 | } |
3b5fa928 AT |
373 | if (buf != NULL) |
374 | em28xx_copy_video(dev, dma_q, buf, p, outp, len); | |
ad0ebb96 MCC |
375 | } |
376 | return rc; | |
377 | } | |
378 | ||
ad0ebb96 MCC |
379 | /* ------------------------------------------------------------------ |
380 | Videobuf operations | |
381 | ------------------------------------------------------------------*/ | |
382 | ||
383 | static int | |
384 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
385 | { | |
386 | struct em28xx_fh *fh = vq->priv_data; | |
d2d9fbfd MCC |
387 | struct em28xx *dev = fh->dev; |
388 | struct v4l2_frequency f; | |
ad0ebb96 | 389 | |
bddcf633 MCC |
390 | *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
391 | ||
ad0ebb96 MCC |
392 | if (0 == *count) |
393 | *count = EM28XX_DEF_BUF; | |
394 | ||
f245e549 MCC |
395 | if (*count < EM28XX_MIN_BUF) |
396 | *count = EM28XX_MIN_BUF; | |
ad0ebb96 | 397 | |
381aaba9 | 398 | /* Ask tuner to go to analog or radio mode */ |
6ea54d93 | 399 | memset(&f, 0, sizeof(f)); |
d2d9fbfd | 400 | f.frequency = dev->ctl_freq; |
381aaba9 | 401 | f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
d2d9fbfd MCC |
402 | |
403 | em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f); | |
404 | ||
ad0ebb96 MCC |
405 | return 0; |
406 | } | |
407 | ||
3b5fa928 | 408 | /* This is called *without* dev->slock held; please keep it that way */ |
ad0ebb96 MCC |
409 | static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) |
410 | { | |
3b5fa928 AT |
411 | struct em28xx_fh *fh = vq->priv_data; |
412 | struct em28xx *dev = fh->dev; | |
413 | unsigned long flags = 0; | |
ad0ebb96 MCC |
414 | if (in_interrupt()) |
415 | BUG(); | |
416 | ||
3b5fa928 AT |
417 | /* We used to wait for the buffer to finish here, but this didn't work |
418 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
419 | videobuf_queue_cancel marked it as finished for us. | |
420 | (Also, it could wedge forever if the hardware was misconfigured.) | |
421 | ||
422 | This should be safe; by the time we get here, the buffer isn't | |
423 | queued anymore. If we ever start marking the buffers as | |
424 | VIDEOBUF_ACTIVE, it won't be, though. | |
425 | */ | |
426 | spin_lock_irqsave(&dev->slock, flags); | |
427 | if (dev->isoc_ctl.buf == buf) | |
428 | dev->isoc_ctl.buf = NULL; | |
429 | spin_unlock_irqrestore(&dev->slock, flags); | |
430 | ||
ad0ebb96 MCC |
431 | videobuf_vmalloc_free(&buf->vb); |
432 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
433 | } | |
434 | ||
435 | static int | |
436 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
437 | enum v4l2_field field) | |
438 | { | |
439 | struct em28xx_fh *fh = vq->priv_data; | |
f245e549 | 440 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); |
ad0ebb96 MCC |
441 | struct em28xx *dev = fh->dev; |
442 | int rc = 0, urb_init = 0; | |
ad0ebb96 | 443 | |
bddcf633 | 444 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
ad0ebb96 MCC |
445 | |
446 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
447 | return -EINVAL; | |
448 | ||
05612975 BP |
449 | buf->vb.width = dev->width; |
450 | buf->vb.height = dev->height; | |
451 | buf->vb.field = field; | |
ad0ebb96 MCC |
452 | |
453 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
d7aa8020 AT |
454 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
455 | if (rc < 0) | |
ad0ebb96 | 456 | goto fail; |
ad0ebb96 MCC |
457 | } |
458 | ||
ad0ebb96 | 459 | if (!dev->isoc_ctl.num_bufs) |
f245e549 | 460 | urb_init = 1; |
ad0ebb96 MCC |
461 | |
462 | if (urb_init) { | |
579f72e4 AT |
463 | rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS, |
464 | EM28XX_NUM_BUFS, dev->max_pkt_size, | |
c67ec53f | 465 | em28xx_isoc_copy); |
f245e549 | 466 | if (rc < 0) |
ad0ebb96 MCC |
467 | goto fail; |
468 | } | |
469 | ||
470 | buf->vb.state = VIDEOBUF_PREPARED; | |
471 | return 0; | |
472 | ||
473 | fail: | |
f245e549 | 474 | free_buffer(vq, buf); |
ad0ebb96 MCC |
475 | return rc; |
476 | } | |
477 | ||
478 | static void | |
479 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
480 | { | |
a1a6ee74 NS |
481 | struct em28xx_buffer *buf = container_of(vb, |
482 | struct em28xx_buffer, | |
483 | vb); | |
ad0ebb96 | 484 | struct em28xx_fh *fh = vq->priv_data; |
f245e549 | 485 | struct em28xx *dev = fh->dev; |
ad0ebb96 | 486 | struct em28xx_dmaqueue *vidq = &dev->vidq; |
ad0ebb96 | 487 | |
d7aa8020 AT |
488 | buf->vb.state = VIDEOBUF_QUEUED; |
489 | list_add_tail(&buf->vb.queue, &vidq->active); | |
490 | ||
ad0ebb96 MCC |
491 | } |
492 | ||
6ea54d93 DSL |
493 | static void buffer_release(struct videobuf_queue *vq, |
494 | struct videobuf_buffer *vb) | |
ad0ebb96 | 495 | { |
a1a6ee74 NS |
496 | struct em28xx_buffer *buf = container_of(vb, |
497 | struct em28xx_buffer, | |
498 | vb); | |
ad0ebb96 | 499 | struct em28xx_fh *fh = vq->priv_data; |
f245e549 | 500 | struct em28xx *dev = (struct em28xx *)fh->dev; |
ad0ebb96 | 501 | |
d7aa8020 | 502 | em28xx_isocdbg("em28xx: called buffer_release\n"); |
ad0ebb96 | 503 | |
f245e549 | 504 | free_buffer(vq, buf); |
ad0ebb96 MCC |
505 | } |
506 | ||
507 | static struct videobuf_queue_ops em28xx_video_qops = { | |
508 | .buf_setup = buffer_setup, | |
509 | .buf_prepare = buffer_prepare, | |
510 | .buf_queue = buffer_queue, | |
511 | .buf_release = buffer_release, | |
512 | }; | |
a6c2ba28 | 513 | |
6ea54d93 | 514 | /********************* v4l2 interface **************************************/ |
a6c2ba28 | 515 | |
eac94356 MCC |
516 | static void video_mux(struct em28xx *dev, int index) |
517 | { | |
c7c0b34c | 518 | struct v4l2_routing route; |
eac94356 | 519 | |
c7c0b34c HV |
520 | route.input = INPUT(index)->vmux; |
521 | route.output = 0; | |
eac94356 MCC |
522 | dev->ctl_input = index; |
523 | dev->ctl_ainput = INPUT(index)->amux; | |
35ae6f04 | 524 | dev->ctl_aoutput = INPUT(index)->aout; |
eac94356 | 525 | |
e879b8eb MCC |
526 | if (!dev->ctl_aoutput) |
527 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
528 | ||
c7c0b34c | 529 | em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); |
eac94356 | 530 | |
505b6d0b | 531 | if (dev->board.has_msp34xx) { |
6ea54d93 DSL |
532 | if (dev->i2s_speed) { |
533 | em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ, | |
534 | &dev->i2s_speed); | |
535 | } | |
2474ed44 | 536 | route.input = dev->ctl_ainput; |
07151724 | 537 | route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1); |
2474ed44 | 538 | /* Note: this is msp3400 specific */ |
6ea54d93 DSL |
539 | em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, |
540 | &route); | |
eac94356 | 541 | } |
539c96d0 | 542 | |
2bd1d9eb VW |
543 | if (dev->board.adecoder != EM28XX_NOADECODER) { |
544 | route.input = dev->ctl_ainput; | |
545 | route.output = dev->ctl_aoutput; | |
546 | em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, | |
547 | &route); | |
548 | } | |
549 | ||
00b8730f | 550 | em28xx_audio_analog_set(dev); |
eac94356 MCC |
551 | } |
552 | ||
a225452e MCC |
553 | /* Usage lock check functions */ |
554 | static int res_get(struct em28xx_fh *fh) | |
555 | { | |
556 | struct em28xx *dev = fh->dev; | |
557 | int rc = 0; | |
558 | ||
559 | /* This instance already has stream_on */ | |
560 | if (fh->stream_on) | |
561 | return rc; | |
562 | ||
a225452e | 563 | if (dev->stream_on) |
29b59417 | 564 | return -EBUSY; |
a225452e | 565 | |
e74153d4 MCC |
566 | dev->stream_on = 1; |
567 | fh->stream_on = 1; | |
a225452e MCC |
568 | return rc; |
569 | } | |
570 | ||
571 | static int res_check(struct em28xx_fh *fh) | |
572 | { | |
a1a6ee74 | 573 | return fh->stream_on; |
a225452e MCC |
574 | } |
575 | ||
576 | static void res_free(struct em28xx_fh *fh) | |
577 | { | |
578 | struct em28xx *dev = fh->dev; | |
579 | ||
a225452e MCC |
580 | fh->stream_on = 0; |
581 | dev->stream_on = 0; | |
a225452e MCC |
582 | } |
583 | ||
195a4ef6 MCC |
584 | /* |
585 | * em28xx_get_ctrl() | |
586 | * return the current saturation, brightness or contrast, mute state | |
587 | */ | |
588 | static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) | |
589 | { | |
590 | switch (ctrl->id) { | |
591 | case V4L2_CID_AUDIO_MUTE: | |
592 | ctrl->value = dev->mute; | |
593 | return 0; | |
594 | case V4L2_CID_AUDIO_VOLUME: | |
595 | ctrl->value = dev->volume; | |
596 | return 0; | |
597 | default: | |
598 | return -EINVAL; | |
a6c2ba28 | 599 | } |
195a4ef6 | 600 | } |
a6c2ba28 | 601 | |
195a4ef6 MCC |
602 | /* |
603 | * em28xx_set_ctrl() | |
604 | * mute or set new saturation, brightness or contrast | |
605 | */ | |
606 | static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) | |
607 | { | |
608 | switch (ctrl->id) { | |
609 | case V4L2_CID_AUDIO_MUTE: | |
610 | if (ctrl->value != dev->mute) { | |
611 | dev->mute = ctrl->value; | |
195a4ef6 MCC |
612 | return em28xx_audio_analog_set(dev); |
613 | } | |
614 | return 0; | |
615 | case V4L2_CID_AUDIO_VOLUME: | |
616 | dev->volume = ctrl->value; | |
617 | return em28xx_audio_analog_set(dev); | |
618 | default: | |
619 | return -EINVAL; | |
620 | } | |
621 | } | |
a6c2ba28 | 622 | |
195a4ef6 MCC |
623 | static int check_dev(struct em28xx *dev) |
624 | { | |
625 | if (dev->state & DEV_DISCONNECTED) { | |
626 | em28xx_errdev("v4l2 ioctl: device not present\n"); | |
627 | return -ENODEV; | |
e5589bef | 628 | } |
a6c2ba28 | 629 | |
195a4ef6 MCC |
630 | if (dev->state & DEV_MISCONFIGURED) { |
631 | em28xx_errdev("v4l2 ioctl: device is misconfigured; " | |
632 | "close and open it again\n"); | |
633 | return -EIO; | |
634 | } | |
635 | return 0; | |
636 | } | |
a6c2ba28 | 637 | |
195a4ef6 MCC |
638 | static void get_scale(struct em28xx *dev, |
639 | unsigned int width, unsigned int height, | |
640 | unsigned int *hscale, unsigned int *vscale) | |
641 | { | |
642 | unsigned int maxw = norm_maxw(dev); | |
643 | unsigned int maxh = norm_maxh(dev); | |
644 | ||
645 | *hscale = (((unsigned long)maxw) << 12) / width - 4096L; | |
646 | if (*hscale >= 0x4000) | |
647 | *hscale = 0x3fff; | |
648 | ||
649 | *vscale = (((unsigned long)maxh) << 12) / height - 4096L; | |
650 | if (*vscale >= 0x4000) | |
651 | *vscale = 0x3fff; | |
a6c2ba28 | 652 | } |
653 | ||
195a4ef6 MCC |
654 | /* ------------------------------------------------------------------ |
655 | IOCTL vidioc handling | |
656 | ------------------------------------------------------------------*/ | |
657 | ||
78b526a4 | 658 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 659 | struct v4l2_format *f) |
a6c2ba28 | 660 | { |
195a4ef6 MCC |
661 | struct em28xx_fh *fh = priv; |
662 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 663 | |
195a4ef6 | 664 | mutex_lock(&dev->lock); |
e5589bef | 665 | |
195a4ef6 MCC |
666 | f->fmt.pix.width = dev->width; |
667 | f->fmt.pix.height = dev->height; | |
bddcf633 MCC |
668 | f->fmt.pix.pixelformat = dev->format->fourcc; |
669 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; | |
44dc733c | 670 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
195a4ef6 | 671 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
e5589bef | 672 | |
195a4ef6 MCC |
673 | /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ |
674 | f->fmt.pix.field = dev->interlaced ? | |
675 | V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; | |
e5589bef | 676 | |
195a4ef6 MCC |
677 | mutex_unlock(&dev->lock); |
678 | return 0; | |
a6c2ba28 | 679 | } |
680 | ||
bddcf633 MCC |
681 | static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) |
682 | { | |
683 | unsigned int i; | |
684 | ||
685 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
686 | if (format[i].fourcc == fourcc) | |
687 | return &format[i]; | |
688 | ||
689 | return NULL; | |
690 | } | |
691 | ||
78b526a4 | 692 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 693 | struct v4l2_format *f) |
a6c2ba28 | 694 | { |
195a4ef6 MCC |
695 | struct em28xx_fh *fh = priv; |
696 | struct em28xx *dev = fh->dev; | |
697 | int width = f->fmt.pix.width; | |
698 | int height = f->fmt.pix.height; | |
699 | unsigned int maxw = norm_maxw(dev); | |
700 | unsigned int maxh = norm_maxh(dev); | |
701 | unsigned int hscale, vscale; | |
bddcf633 MCC |
702 | struct em28xx_fmt *fmt; |
703 | ||
704 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
705 | if (!fmt) { | |
706 | em28xx_videodbg("Fourcc format (%08x) invalid.\n", | |
707 | f->fmt.pix.pixelformat); | |
708 | return -EINVAL; | |
709 | } | |
195a4ef6 MCC |
710 | |
711 | /* width must even because of the YUYV format | |
712 | height must be even because of interlacing */ | |
713 | height &= 0xfffe; | |
cf8c91c3 | 714 | width &= 0xfffe; |
a6c2ba28 | 715 | |
cf8c91c3 | 716 | if (unlikely(height < 32)) |
195a4ef6 | 717 | height = 32; |
cf8c91c3 | 718 | if (unlikely(height > maxh)) |
195a4ef6 | 719 | height = maxh; |
cf8c91c3 | 720 | if (unlikely(width < 48)) |
195a4ef6 | 721 | width = 48; |
cf8c91c3 | 722 | if (unlikely(width > maxw)) |
195a4ef6 | 723 | width = maxw; |
a6c2ba28 | 724 | |
505b6d0b | 725 | if (dev->board.is_em2800) { |
195a4ef6 MCC |
726 | /* the em2800 can only scale down to 50% */ |
727 | if (height % (maxh / 2)) | |
728 | height = maxh; | |
729 | if (width % (maxw / 2)) | |
730 | width = maxw; | |
731 | /* according to empiatech support */ | |
732 | /* the MaxPacketSize is to small to support */ | |
733 | /* framesizes larger than 640x480 @ 30 fps */ | |
734 | /* or 640x576 @ 25 fps. As this would cut */ | |
735 | /* of a part of the image we prefer */ | |
736 | /* 360x576 or 360x480 for now */ | |
737 | if (width == maxw && height == maxh) | |
738 | width /= 2; | |
739 | } | |
a225452e | 740 | |
195a4ef6 | 741 | get_scale(dev, width, height, &hscale, &vscale); |
a6c2ba28 | 742 | |
195a4ef6 MCC |
743 | width = (((unsigned long)maxw) << 12) / (hscale + 4096L); |
744 | height = (((unsigned long)maxh) << 12) / (vscale + 4096L); | |
a6c2ba28 | 745 | |
195a4ef6 MCC |
746 | f->fmt.pix.width = width; |
747 | f->fmt.pix.height = height; | |
bddcf633 MCC |
748 | f->fmt.pix.pixelformat = fmt->fourcc; |
749 | f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; | |
750 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; | |
195a4ef6 MCC |
751 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
752 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
a6c2ba28 | 753 | |
a6c2ba28 | 754 | return 0; |
755 | } | |
756 | ||
78b526a4 | 757 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 758 | struct v4l2_format *f) |
a6c2ba28 | 759 | { |
195a4ef6 MCC |
760 | struct em28xx_fh *fh = priv; |
761 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 762 | int rc; |
bddcf633 | 763 | struct em28xx_fmt *fmt; |
a6c2ba28 | 764 | |
195a4ef6 MCC |
765 | rc = check_dev(dev); |
766 | if (rc < 0) | |
767 | return rc; | |
a225452e | 768 | |
5a80415b SS |
769 | mutex_lock(&dev->lock); |
770 | ||
efc52a94 MCC |
771 | vidioc_try_fmt_vid_cap(file, priv, f); |
772 | ||
bddcf633 | 773 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
5db0b5e1 MCC |
774 | if (!fmt) { |
775 | rc = -EINVAL; | |
776 | goto out; | |
777 | } | |
bddcf633 | 778 | |
05612975 BP |
779 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
780 | em28xx_errdev("%s queue busy\n", __func__); | |
781 | rc = -EBUSY; | |
782 | goto out; | |
783 | } | |
784 | ||
0ea13e6e AT |
785 | if (dev->stream_on && !fh->stream_on) { |
786 | em28xx_errdev("%s device in use by another fh\n", __func__); | |
787 | rc = -EBUSY; | |
788 | goto out; | |
789 | } | |
790 | ||
195a4ef6 MCC |
791 | /* set new image size */ |
792 | dev->width = f->fmt.pix.width; | |
793 | dev->height = f->fmt.pix.height; | |
bddcf633 | 794 | dev->format = fmt; |
195a4ef6 | 795 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
a6c2ba28 | 796 | |
195a4ef6 | 797 | em28xx_set_alternate(dev); |
195a4ef6 | 798 | em28xx_resolution_set(dev); |
195a4ef6 | 799 | |
05612975 BP |
800 | rc = 0; |
801 | ||
802 | out: | |
195a4ef6 | 803 | mutex_unlock(&dev->lock); |
05612975 | 804 | return rc; |
195a4ef6 MCC |
805 | } |
806 | ||
a1a6ee74 | 807 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) |
195a4ef6 MCC |
808 | { |
809 | struct em28xx_fh *fh = priv; | |
810 | struct em28xx *dev = fh->dev; | |
811 | struct v4l2_format f; | |
195a4ef6 MCC |
812 | int rc; |
813 | ||
814 | rc = check_dev(dev); | |
815 | if (rc < 0) | |
816 | return rc; | |
817 | ||
195a4ef6 | 818 | mutex_lock(&dev->lock); |
7d497f8a | 819 | dev->norm = *norm; |
a6c2ba28 | 820 | |
195a4ef6 MCC |
821 | /* Adjusts width/height, if needed */ |
822 | f.fmt.pix.width = dev->width; | |
823 | f.fmt.pix.height = dev->height; | |
78b526a4 | 824 | vidioc_try_fmt_vid_cap(file, priv, &f); |
a6c2ba28 | 825 | |
195a4ef6 MCC |
826 | /* set new image size */ |
827 | dev->width = f.fmt.pix.width; | |
828 | dev->height = f.fmt.pix.height; | |
195a4ef6 | 829 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
a6c2ba28 | 830 | |
195a4ef6 | 831 | em28xx_resolution_set(dev); |
7d497f8a | 832 | em28xx_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm); |
a6c2ba28 | 833 | |
195a4ef6 MCC |
834 | mutex_unlock(&dev->lock); |
835 | return 0; | |
836 | } | |
9e31ced8 | 837 | |
195a4ef6 MCC |
838 | static const char *iname[] = { |
839 | [EM28XX_VMUX_COMPOSITE1] = "Composite1", | |
840 | [EM28XX_VMUX_COMPOSITE2] = "Composite2", | |
841 | [EM28XX_VMUX_COMPOSITE3] = "Composite3", | |
842 | [EM28XX_VMUX_COMPOSITE4] = "Composite4", | |
843 | [EM28XX_VMUX_SVIDEO] = "S-Video", | |
844 | [EM28XX_VMUX_TELEVISION] = "Television", | |
845 | [EM28XX_VMUX_CABLE] = "Cable TV", | |
846 | [EM28XX_VMUX_DVB] = "DVB", | |
847 | [EM28XX_VMUX_DEBUG] = "for debug only", | |
848 | }; | |
9e31ced8 | 849 | |
195a4ef6 MCC |
850 | static int vidioc_enum_input(struct file *file, void *priv, |
851 | struct v4l2_input *i) | |
852 | { | |
853 | struct em28xx_fh *fh = priv; | |
854 | struct em28xx *dev = fh->dev; | |
855 | unsigned int n; | |
9e31ced8 | 856 | |
195a4ef6 MCC |
857 | n = i->index; |
858 | if (n >= MAX_EM28XX_INPUT) | |
859 | return -EINVAL; | |
860 | if (0 == INPUT(n)->type) | |
861 | return -EINVAL; | |
9e31ced8 | 862 | |
195a4ef6 MCC |
863 | i->index = n; |
864 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
a6c2ba28 | 865 | |
195a4ef6 | 866 | strcpy(i->name, iname[INPUT(n)->type]); |
a6c2ba28 | 867 | |
195a4ef6 MCC |
868 | if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || |
869 | (EM28XX_VMUX_CABLE == INPUT(n)->type)) | |
870 | i->type = V4L2_INPUT_TYPE_TUNER; | |
871 | ||
7d497f8a | 872 | i->std = dev->vdev->tvnorms; |
195a4ef6 MCC |
873 | |
874 | return 0; | |
a6c2ba28 | 875 | } |
876 | ||
195a4ef6 | 877 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
a6c2ba28 | 878 | { |
195a4ef6 MCC |
879 | struct em28xx_fh *fh = priv; |
880 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 881 | |
195a4ef6 MCC |
882 | *i = dev->ctl_input; |
883 | ||
884 | return 0; | |
885 | } | |
886 | ||
887 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
888 | { | |
889 | struct em28xx_fh *fh = priv; | |
890 | struct em28xx *dev = fh->dev; | |
891 | int rc; | |
892 | ||
893 | rc = check_dev(dev); | |
894 | if (rc < 0) | |
895 | return rc; | |
896 | ||
897 | if (i >= MAX_EM28XX_INPUT) | |
898 | return -EINVAL; | |
899 | if (0 == INPUT(i)->type) | |
900 | return -EINVAL; | |
a225452e | 901 | |
24c3c415 | 902 | dev->ctl_input = i; |
195a4ef6 | 903 | |
24c3c415 MCC |
904 | mutex_lock(&dev->lock); |
905 | video_mux(dev, dev->ctl_input); | |
195a4ef6 MCC |
906 | mutex_unlock(&dev->lock); |
907 | return 0; | |
908 | } | |
909 | ||
910 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
911 | { | |
912 | struct em28xx_fh *fh = priv; | |
913 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 914 | |
35ae6f04 MCC |
915 | switch (a->index) { |
916 | case EM28XX_AMUX_VIDEO: | |
195a4ef6 | 917 | strcpy(a->name, "Television"); |
35ae6f04 MCC |
918 | break; |
919 | case EM28XX_AMUX_LINE_IN: | |
195a4ef6 | 920 | strcpy(a->name, "Line In"); |
35ae6f04 MCC |
921 | break; |
922 | case EM28XX_AMUX_VIDEO2: | |
923 | strcpy(a->name, "Television alt"); | |
924 | break; | |
925 | case EM28XX_AMUX_PHONE: | |
926 | strcpy(a->name, "Phone"); | |
927 | break; | |
928 | case EM28XX_AMUX_MIC: | |
929 | strcpy(a->name, "Mic"); | |
930 | break; | |
931 | case EM28XX_AMUX_CD: | |
932 | strcpy(a->name, "CD"); | |
933 | break; | |
934 | case EM28XX_AMUX_AUX: | |
935 | strcpy(a->name, "Aux"); | |
936 | break; | |
937 | case EM28XX_AMUX_PCM_OUT: | |
938 | strcpy(a->name, "PCM"); | |
939 | break; | |
940 | default: | |
941 | return -EINVAL; | |
942 | } | |
6ea54d93 | 943 | |
35ae6f04 | 944 | a->index = dev->ctl_ainput; |
195a4ef6 | 945 | a->capability = V4L2_AUDCAP_STEREO; |
195a4ef6 MCC |
946 | |
947 | return 0; | |
948 | } | |
949 | ||
950 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
951 | { | |
952 | struct em28xx_fh *fh = priv; | |
953 | struct em28xx *dev = fh->dev; | |
954 | ||
24c3c415 MCC |
955 | |
956 | if (a->index >= MAX_EM28XX_INPUT) | |
957 | return -EINVAL; | |
958 | if (0 == INPUT(a->index)->type) | |
959 | return -EINVAL; | |
960 | ||
efc52a94 MCC |
961 | mutex_lock(&dev->lock); |
962 | ||
35ae6f04 MCC |
963 | dev->ctl_ainput = INPUT(a->index)->amux; |
964 | dev->ctl_aoutput = INPUT(a->index)->aout; | |
e879b8eb MCC |
965 | |
966 | if (!dev->ctl_aoutput) | |
967 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
efc52a94 MCC |
968 | |
969 | mutex_unlock(&dev->lock); | |
195a4ef6 MCC |
970 | return 0; |
971 | } | |
972 | ||
973 | static int vidioc_queryctrl(struct file *file, void *priv, | |
974 | struct v4l2_queryctrl *qc) | |
975 | { | |
976 | struct em28xx_fh *fh = priv; | |
977 | struct em28xx *dev = fh->dev; | |
978 | int id = qc->id; | |
979 | int i; | |
980 | int rc; | |
981 | ||
982 | rc = check_dev(dev); | |
983 | if (rc < 0) | |
984 | return rc; | |
985 | ||
986 | memset(qc, 0, sizeof(*qc)); | |
987 | ||
988 | qc->id = id; | |
989 | ||
505b6d0b | 990 | if (!dev->board.has_msp34xx) { |
195a4ef6 MCC |
991 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { |
992 | if (qc->id && qc->id == em28xx_qctrl[i].id) { | |
993 | memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc)); | |
994 | return 0; | |
a6c2ba28 | 995 | } |
996 | } | |
195a4ef6 MCC |
997 | } |
998 | mutex_lock(&dev->lock); | |
999 | em28xx_i2c_call_clients(dev, VIDIOC_QUERYCTRL, qc); | |
1000 | mutex_unlock(&dev->lock); | |
a6c2ba28 | 1001 | |
195a4ef6 MCC |
1002 | if (qc->type) |
1003 | return 0; | |
1004 | else | |
1005 | return -EINVAL; | |
1006 | } | |
a6c2ba28 | 1007 | |
195a4ef6 MCC |
1008 | static int vidioc_g_ctrl(struct file *file, void *priv, |
1009 | struct v4l2_control *ctrl) | |
1010 | { | |
1011 | struct em28xx_fh *fh = priv; | |
1012 | struct em28xx *dev = fh->dev; | |
1013 | int rc; | |
a6c2ba28 | 1014 | |
195a4ef6 MCC |
1015 | rc = check_dev(dev); |
1016 | if (rc < 0) | |
1017 | return rc; | |
b6070f07 | 1018 | rc = 0; |
efc52a94 | 1019 | |
195a4ef6 | 1020 | mutex_lock(&dev->lock); |
a6c2ba28 | 1021 | |
b6070f07 | 1022 | if (dev->board.has_msp34xx) |
195a4ef6 | 1023 | em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl); |
07f7db4c | 1024 | else { |
b6070f07 | 1025 | rc = em28xx_get_ctrl(dev, ctrl); |
07f7db4c HV |
1026 | if (rc < 0) { |
1027 | em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl); | |
1028 | rc = 0; | |
1029 | } | |
1030 | } | |
195a4ef6 MCC |
1031 | |
1032 | mutex_unlock(&dev->lock); | |
1033 | return rc; | |
1034 | } | |
1035 | ||
1036 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1037 | struct v4l2_control *ctrl) | |
1038 | { | |
1039 | struct em28xx_fh *fh = priv; | |
1040 | struct em28xx *dev = fh->dev; | |
1041 | u8 i; | |
1042 | int rc; | |
1043 | ||
1044 | rc = check_dev(dev); | |
1045 | if (rc < 0) | |
1046 | return rc; | |
1047 | ||
1048 | mutex_lock(&dev->lock); | |
1049 | ||
505b6d0b | 1050 | if (dev->board.has_msp34xx) |
195a4ef6 MCC |
1051 | em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl); |
1052 | else { | |
1053 | rc = 1; | |
1054 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { | |
1055 | if (ctrl->id == em28xx_qctrl[i].id) { | |
1056 | if (ctrl->value < em28xx_qctrl[i].minimum || | |
1057 | ctrl->value > em28xx_qctrl[i].maximum) { | |
1058 | rc = -ERANGE; | |
1059 | break; | |
1060 | } | |
1061 | ||
1062 | rc = em28xx_set_ctrl(dev, ctrl); | |
1063 | break; | |
1064 | } | |
a6c2ba28 | 1065 | } |
1066 | } | |
1067 | ||
195a4ef6 MCC |
1068 | /* Control not found - try to send it to the attached devices */ |
1069 | if (rc == 1) { | |
1070 | em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl); | |
1071 | rc = 0; | |
1072 | } | |
1073 | ||
5a80415b | 1074 | mutex_unlock(&dev->lock); |
195a4ef6 | 1075 | return rc; |
a6c2ba28 | 1076 | } |
1077 | ||
195a4ef6 MCC |
1078 | static int vidioc_g_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; | |
1084 | ||
1085 | rc = check_dev(dev); | |
1086 | if (rc < 0) | |
1087 | return rc; | |
1088 | ||
1089 | if (0 != t->index) | |
1090 | return -EINVAL; | |
1091 | ||
1092 | strcpy(t->name, "Tuner"); | |
1093 | ||
1094 | mutex_lock(&dev->lock); | |
1095 | ||
1096 | em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t); | |
1097 | ||
1098 | mutex_unlock(&dev->lock); | |
1099 | return 0; | |
a6c2ba28 | 1100 | } |
1101 | ||
195a4ef6 MCC |
1102 | static int vidioc_s_tuner(struct file *file, void *priv, |
1103 | struct v4l2_tuner *t) | |
a6c2ba28 | 1104 | { |
195a4ef6 MCC |
1105 | struct em28xx_fh *fh = priv; |
1106 | struct em28xx *dev = fh->dev; | |
1107 | int rc; | |
63337dd3 | 1108 | |
195a4ef6 MCC |
1109 | rc = check_dev(dev); |
1110 | if (rc < 0) | |
1111 | return rc; | |
1112 | ||
1113 | if (0 != t->index) | |
1114 | return -EINVAL; | |
1115 | ||
1116 | mutex_lock(&dev->lock); | |
1117 | ||
1118 | em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t); | |
1119 | ||
1120 | mutex_unlock(&dev->lock); | |
1121 | return 0; | |
a6c2ba28 | 1122 | } |
1123 | ||
195a4ef6 MCC |
1124 | static int vidioc_g_frequency(struct file *file, void *priv, |
1125 | struct v4l2_frequency *f) | |
1126 | { | |
1127 | struct em28xx_fh *fh = priv; | |
1128 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 1129 | |
efc52a94 | 1130 | mutex_lock(&dev->lock); |
0be43754 | 1131 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
195a4ef6 | 1132 | f->frequency = dev->ctl_freq; |
efc52a94 | 1133 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
1134 | |
1135 | return 0; | |
1136 | } | |
1137 | ||
1138 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1139 | struct v4l2_frequency *f) | |
a6c2ba28 | 1140 | { |
195a4ef6 MCC |
1141 | struct em28xx_fh *fh = priv; |
1142 | struct em28xx *dev = fh->dev; | |
1143 | int rc; | |
9c75541f | 1144 | |
195a4ef6 MCC |
1145 | rc = check_dev(dev); |
1146 | if (rc < 0) | |
1147 | return rc; | |
1148 | ||
1149 | if (0 != f->tuner) | |
1150 | return -EINVAL; | |
1151 | ||
0be43754 MCC |
1152 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) |
1153 | return -EINVAL; | |
1154 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
195a4ef6 | 1155 | return -EINVAL; |
a225452e MCC |
1156 | |
1157 | mutex_lock(&dev->lock); | |
a3a048ce | 1158 | |
195a4ef6 MCC |
1159 | dev->ctl_freq = f->frequency; |
1160 | em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f); | |
a6c2ba28 | 1161 | |
195a4ef6 | 1162 | mutex_unlock(&dev->lock); |
efc52a94 | 1163 | |
195a4ef6 MCC |
1164 | return 0; |
1165 | } | |
a6c2ba28 | 1166 | |
1e7ad56f MCC |
1167 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1168 | static int em28xx_reg_len(int reg) | |
1169 | { | |
1170 | switch (reg) { | |
41facaa4 MCC |
1171 | case EM28XX_R40_AC97LSB: |
1172 | case EM28XX_R30_HSCALELOW: | |
1173 | case EM28XX_R32_VSCALELOW: | |
1e7ad56f MCC |
1174 | return 2; |
1175 | default: | |
1176 | return 1; | |
1177 | } | |
1178 | } | |
1179 | ||
14983d81 | 1180 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
aecde8b5 | 1181 | struct v4l2_dbg_chip_ident *chip) |
14983d81 MCC |
1182 | { |
1183 | struct em28xx_fh *fh = priv; | |
1184 | struct em28xx *dev = fh->dev; | |
1185 | ||
1186 | chip->ident = V4L2_IDENT_NONE; | |
1187 | chip->revision = 0; | |
1188 | ||
aecde8b5 | 1189 | em28xx_i2c_call_clients(dev, VIDIOC_DBG_G_CHIP_IDENT, chip); |
14983d81 MCC |
1190 | |
1191 | return 0; | |
1192 | } | |
1193 | ||
1194 | ||
1e7ad56f | 1195 | static int vidioc_g_register(struct file *file, void *priv, |
aecde8b5 | 1196 | struct v4l2_dbg_register *reg) |
1e7ad56f MCC |
1197 | { |
1198 | struct em28xx_fh *fh = priv; | |
1199 | struct em28xx *dev = fh->dev; | |
1200 | int ret; | |
1201 | ||
aecde8b5 | 1202 | switch (reg->match.type) { |
14983d81 | 1203 | case V4L2_CHIP_MATCH_AC97: |
531c98e7 MCC |
1204 | mutex_lock(&dev->lock); |
1205 | ret = em28xx_read_ac97(dev, reg->reg); | |
1206 | mutex_unlock(&dev->lock); | |
1207 | if (ret < 0) | |
1208 | return ret; | |
1209 | ||
1210 | reg->val = ret; | |
aecde8b5 | 1211 | reg->size = 1; |
531c98e7 | 1212 | return 0; |
14983d81 MCC |
1213 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
1214 | em28xx_i2c_call_clients(dev, VIDIOC_DBG_G_REGISTER, reg); | |
1215 | return 0; | |
1216 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
1217 | /* Not supported yet */ | |
1e7ad56f | 1218 | return -EINVAL; |
14983d81 | 1219 | default: |
aecde8b5 | 1220 | if (!v4l2_chip_match_host(®->match)) |
14983d81 MCC |
1221 | return -EINVAL; |
1222 | } | |
1e7ad56f | 1223 | |
14983d81 | 1224 | /* Match host */ |
aecde8b5 HV |
1225 | reg->size = em28xx_reg_len(reg->reg); |
1226 | if (reg->size == 1) { | |
efc52a94 | 1227 | mutex_lock(&dev->lock); |
1e7ad56f | 1228 | ret = em28xx_read_reg(dev, reg->reg); |
efc52a94 MCC |
1229 | mutex_unlock(&dev->lock); |
1230 | ||
1e7ad56f MCC |
1231 | if (ret < 0) |
1232 | return ret; | |
1233 | ||
1234 | reg->val = ret; | |
1235 | } else { | |
aecde8b5 | 1236 | __le16 val = 0; |
efc52a94 | 1237 | mutex_lock(&dev->lock); |
1e7ad56f MCC |
1238 | ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, |
1239 | reg->reg, (char *)&val, 2); | |
efc52a94 | 1240 | mutex_unlock(&dev->lock); |
1e7ad56f MCC |
1241 | if (ret < 0) |
1242 | return ret; | |
1243 | ||
aecde8b5 | 1244 | reg->val = le16_to_cpu(val); |
1e7ad56f MCC |
1245 | } |
1246 | ||
1247 | return 0; | |
1248 | } | |
1249 | ||
1250 | static int vidioc_s_register(struct file *file, void *priv, | |
aecde8b5 | 1251 | struct v4l2_dbg_register *reg) |
1e7ad56f MCC |
1252 | { |
1253 | struct em28xx_fh *fh = priv; | |
1254 | struct em28xx *dev = fh->dev; | |
aecde8b5 | 1255 | __le16 buf; |
efc52a94 | 1256 | int rc; |
1e7ad56f | 1257 | |
aecde8b5 | 1258 | switch (reg->match.type) { |
14983d81 | 1259 | case V4L2_CHIP_MATCH_AC97: |
531c98e7 MCC |
1260 | mutex_lock(&dev->lock); |
1261 | rc = em28xx_write_ac97(dev, reg->reg, reg->val); | |
1262 | mutex_unlock(&dev->lock); | |
1263 | ||
1264 | return rc; | |
14983d81 MCC |
1265 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
1266 | em28xx_i2c_call_clients(dev, VIDIOC_DBG_S_REGISTER, reg); | |
1267 | return 0; | |
1268 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
1269 | /* Not supported yet */ | |
1270 | return -EINVAL; | |
1271 | default: | |
aecde8b5 | 1272 | if (!v4l2_chip_match_host(®->match)) |
14983d81 | 1273 | return -EINVAL; |
531c98e7 MCC |
1274 | } |
1275 | ||
14983d81 | 1276 | /* Match host */ |
aecde8b5 | 1277 | buf = cpu_to_le16(reg->val); |
1e7ad56f | 1278 | |
efc52a94 MCC |
1279 | mutex_lock(&dev->lock); |
1280 | rc = em28xx_write_regs(dev, reg->reg, (char *)&buf, | |
1281 | em28xx_reg_len(reg->reg)); | |
1282 | mutex_unlock(&dev->lock); | |
1283 | ||
1284 | return rc; | |
1e7ad56f MCC |
1285 | } |
1286 | #endif | |
1287 | ||
1288 | ||
195a4ef6 MCC |
1289 | static int vidioc_cropcap(struct file *file, void *priv, |
1290 | struct v4l2_cropcap *cc) | |
1291 | { | |
1292 | struct em28xx_fh *fh = priv; | |
1293 | struct em28xx *dev = fh->dev; | |
1294 | ||
1295 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
a6c2ba28 | 1296 | return -EINVAL; |
a6c2ba28 | 1297 | |
195a4ef6 MCC |
1298 | cc->bounds.left = 0; |
1299 | cc->bounds.top = 0; | |
1300 | cc->bounds.width = dev->width; | |
1301 | cc->bounds.height = dev->height; | |
1302 | cc->defrect = cc->bounds; | |
1303 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ | |
1304 | cc->pixelaspect.denominator = 59; | |
1305 | ||
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | static int vidioc_streamon(struct file *file, void *priv, | |
1310 | enum v4l2_buf_type type) | |
1311 | { | |
1312 | struct em28xx_fh *fh = priv; | |
1313 | struct em28xx *dev = fh->dev; | |
1314 | int rc; | |
1315 | ||
1316 | rc = check_dev(dev); | |
1317 | if (rc < 0) | |
1318 | return rc; | |
1319 | ||
195a4ef6 | 1320 | |
29b59417 MCC |
1321 | mutex_lock(&dev->lock); |
1322 | rc = res_get(fh); | |
29b59417 | 1323 | |
5db0b5e1 MCC |
1324 | if (likely(rc >= 0)) |
1325 | rc = videobuf_streamon(&fh->vb_vidq); | |
efc52a94 MCC |
1326 | |
1327 | mutex_unlock(&dev->lock); | |
1328 | ||
1329 | return rc; | |
195a4ef6 MCC |
1330 | } |
1331 | ||
1332 | static int vidioc_streamoff(struct file *file, void *priv, | |
1333 | enum v4l2_buf_type type) | |
1334 | { | |
1335 | struct em28xx_fh *fh = priv; | |
1336 | struct em28xx *dev = fh->dev; | |
1337 | int rc; | |
1338 | ||
1339 | rc = check_dev(dev); | |
1340 | if (rc < 0) | |
1341 | return rc; | |
1342 | ||
ad0ebb96 MCC |
1343 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1344 | return -EINVAL; | |
1345 | if (type != fh->type) | |
195a4ef6 MCC |
1346 | return -EINVAL; |
1347 | ||
7831364f | 1348 | mutex_lock(&dev->lock); |
efc52a94 MCC |
1349 | |
1350 | videobuf_streamoff(&fh->vb_vidq); | |
ad0ebb96 | 1351 | res_free(fh); |
efc52a94 | 1352 | |
7831364f | 1353 | mutex_unlock(&dev->lock); |
a6c2ba28 | 1354 | |
a6c2ba28 | 1355 | return 0; |
1356 | } | |
1357 | ||
195a4ef6 MCC |
1358 | static int vidioc_querycap(struct file *file, void *priv, |
1359 | struct v4l2_capability *cap) | |
a6c2ba28 | 1360 | { |
195a4ef6 MCC |
1361 | struct em28xx_fh *fh = priv; |
1362 | struct em28xx *dev = fh->dev; | |
1363 | ||
1364 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
1365 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
cb97716f | 1366 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
195a4ef6 MCC |
1367 | |
1368 | cap->version = EM28XX_VERSION_CODE; | |
1369 | ||
1370 | cap->capabilities = | |
1371 | V4L2_CAP_SLICED_VBI_CAPTURE | | |
1372 | V4L2_CAP_VIDEO_CAPTURE | | |
1373 | V4L2_CAP_AUDIO | | |
1374 | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; | |
1375 | ||
ed086314 | 1376 | if (dev->tuner_type != TUNER_ABSENT) |
195a4ef6 MCC |
1377 | cap->capabilities |= V4L2_CAP_TUNER; |
1378 | ||
1379 | return 0; | |
c0477ad9 MCC |
1380 | } |
1381 | ||
78b526a4 | 1382 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
bddcf633 | 1383 | struct v4l2_fmtdesc *f) |
a6c2ba28 | 1384 | { |
bddcf633 | 1385 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
c0477ad9 | 1386 | return -EINVAL; |
195a4ef6 | 1387 | |
bddcf633 MCC |
1388 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
1389 | f->pixelformat = format[f->index].fourcc; | |
195a4ef6 MCC |
1390 | |
1391 | return 0; | |
c0477ad9 MCC |
1392 | } |
1393 | ||
195a4ef6 | 1394 | /* Sliced VBI ioctls */ |
78b526a4 | 1395 | static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 | 1396 | struct v4l2_format *f) |
a6c2ba28 | 1397 | { |
195a4ef6 MCC |
1398 | struct em28xx_fh *fh = priv; |
1399 | struct em28xx *dev = fh->dev; | |
1400 | int rc; | |
a6c2ba28 | 1401 | |
195a4ef6 MCC |
1402 | rc = check_dev(dev); |
1403 | if (rc < 0) | |
1404 | return rc; | |
a6c2ba28 | 1405 | |
195a4ef6 MCC |
1406 | mutex_lock(&dev->lock); |
1407 | ||
1408 | f->fmt.sliced.service_set = 0; | |
1409 | ||
1410 | em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f); | |
1411 | ||
1412 | if (f->fmt.sliced.service_set == 0) | |
1413 | rc = -EINVAL; | |
1414 | ||
1415 | mutex_unlock(&dev->lock); | |
1416 | return rc; | |
1417 | } | |
1418 | ||
78b526a4 | 1419 | static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 MCC |
1420 | struct v4l2_format *f) |
1421 | { | |
1422 | struct em28xx_fh *fh = priv; | |
1423 | struct em28xx *dev = fh->dev; | |
1424 | int rc; | |
1425 | ||
1426 | rc = check_dev(dev); | |
1427 | if (rc < 0) | |
1428 | return rc; | |
1429 | ||
1430 | mutex_lock(&dev->lock); | |
1431 | em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f); | |
1432 | mutex_unlock(&dev->lock); | |
1433 | ||
1434 | if (f->fmt.sliced.service_set == 0) | |
1435 | return -EINVAL; | |
a6c2ba28 | 1436 | |
1437 | return 0; | |
1438 | } | |
1439 | ||
195a4ef6 MCC |
1440 | |
1441 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1442 | struct v4l2_requestbuffers *rb) | |
a6c2ba28 | 1443 | { |
195a4ef6 MCC |
1444 | struct em28xx_fh *fh = priv; |
1445 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 1446 | int rc; |
a6c2ba28 | 1447 | |
195a4ef6 MCC |
1448 | rc = check_dev(dev); |
1449 | if (rc < 0) | |
1450 | return rc; | |
a6c2ba28 | 1451 | |
a1a6ee74 | 1452 | return videobuf_reqbufs(&fh->vb_vidq, rb); |
a6c2ba28 | 1453 | } |
1454 | ||
195a4ef6 MCC |
1455 | static int vidioc_querybuf(struct file *file, void *priv, |
1456 | struct v4l2_buffer *b) | |
e5589bef | 1457 | { |
195a4ef6 MCC |
1458 | struct em28xx_fh *fh = priv; |
1459 | struct em28xx *dev = fh->dev; | |
1460 | int rc; | |
e5589bef | 1461 | |
195a4ef6 MCC |
1462 | rc = check_dev(dev); |
1463 | if (rc < 0) | |
1464 | return rc; | |
2d50f847 | 1465 | |
a1a6ee74 | 1466 | return videobuf_querybuf(&fh->vb_vidq, b); |
195a4ef6 MCC |
1467 | } |
1468 | ||
1469 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1470 | { | |
1471 | struct em28xx_fh *fh = priv; | |
1472 | struct em28xx *dev = fh->dev; | |
195a4ef6 MCC |
1473 | int rc; |
1474 | ||
1475 | rc = check_dev(dev); | |
1476 | if (rc < 0) | |
1477 | return rc; | |
1478 | ||
a1a6ee74 | 1479 | return videobuf_qbuf(&fh->vb_vidq, b); |
e5589bef MCC |
1480 | } |
1481 | ||
195a4ef6 | 1482 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
2d50f847 | 1483 | { |
195a4ef6 MCC |
1484 | struct em28xx_fh *fh = priv; |
1485 | struct em28xx *dev = fh->dev; | |
1486 | int rc; | |
195a4ef6 MCC |
1487 | |
1488 | rc = check_dev(dev); | |
1489 | if (rc < 0) | |
1490 | return rc; | |
2d50f847 | 1491 | |
a1a6ee74 | 1492 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); |
ad0ebb96 | 1493 | } |
2d50f847 | 1494 | |
ad0ebb96 | 1495 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
f245e549 | 1496 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) |
ad0ebb96 | 1497 | { |
f245e549 | 1498 | struct em28xx_fh *fh = priv; |
2d50f847 | 1499 | |
f245e549 | 1500 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); |
195a4ef6 | 1501 | } |
ad0ebb96 MCC |
1502 | #endif |
1503 | ||
2d50f847 | 1504 | |
0be43754 MCC |
1505 | /* ----------------------------------------------------------- */ |
1506 | /* RADIO ESPECIFIC IOCTLS */ | |
1507 | /* ----------------------------------------------------------- */ | |
1508 | ||
1509 | static int radio_querycap(struct file *file, void *priv, | |
1510 | struct v4l2_capability *cap) | |
1511 | { | |
1512 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1513 | ||
1514 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
1515 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
cb97716f | 1516 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
0be43754 MCC |
1517 | |
1518 | cap->version = EM28XX_VERSION_CODE; | |
1519 | cap->capabilities = V4L2_CAP_TUNER; | |
1520 | return 0; | |
1521 | } | |
1522 | ||
1523 | static int radio_g_tuner(struct file *file, void *priv, | |
1524 | struct v4l2_tuner *t) | |
1525 | { | |
1526 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1527 | ||
1528 | if (unlikely(t->index > 0)) | |
1529 | return -EINVAL; | |
1530 | ||
1531 | strcpy(t->name, "Radio"); | |
1532 | t->type = V4L2_TUNER_RADIO; | |
1533 | ||
efc52a94 | 1534 | mutex_lock(&dev->lock); |
0be43754 | 1535 | em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t); |
efc52a94 MCC |
1536 | mutex_unlock(&dev->lock); |
1537 | ||
0be43754 MCC |
1538 | return 0; |
1539 | } | |
1540 | ||
1541 | static int radio_enum_input(struct file *file, void *priv, | |
1542 | struct v4l2_input *i) | |
1543 | { | |
1544 | if (i->index != 0) | |
1545 | return -EINVAL; | |
1546 | strcpy(i->name, "Radio"); | |
1547 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1548 | ||
1549 | return 0; | |
1550 | } | |
1551 | ||
1552 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1553 | { | |
1554 | if (unlikely(a->index)) | |
1555 | return -EINVAL; | |
1556 | ||
1557 | strcpy(a->name, "Radio"); | |
1558 | return 0; | |
1559 | } | |
1560 | ||
1561 | static int radio_s_tuner(struct file *file, void *priv, | |
1562 | struct v4l2_tuner *t) | |
1563 | { | |
1564 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1565 | ||
1566 | if (0 != t->index) | |
1567 | return -EINVAL; | |
1568 | ||
efc52a94 | 1569 | mutex_lock(&dev->lock); |
0be43754 | 1570 | em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t); |
efc52a94 | 1571 | mutex_unlock(&dev->lock); |
0be43754 MCC |
1572 | |
1573 | return 0; | |
1574 | } | |
1575 | ||
1576 | static int radio_s_audio(struct file *file, void *fh, | |
1577 | struct v4l2_audio *a) | |
1578 | { | |
1579 | return 0; | |
1580 | } | |
1581 | ||
1582 | static int radio_s_input(struct file *file, void *fh, unsigned int i) | |
1583 | { | |
1584 | return 0; | |
1585 | } | |
1586 | ||
1587 | static int radio_queryctrl(struct file *file, void *priv, | |
1588 | struct v4l2_queryctrl *qc) | |
1589 | { | |
1590 | int i; | |
1591 | ||
1592 | if (qc->id < V4L2_CID_BASE || | |
1593 | qc->id >= V4L2_CID_LASTP1) | |
1594 | return -EINVAL; | |
1595 | ||
1596 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { | |
1597 | if (qc->id && qc->id == em28xx_qctrl[i].id) { | |
1598 | memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc)); | |
1599 | return 0; | |
1600 | } | |
1601 | } | |
1602 | ||
1603 | return -EINVAL; | |
1604 | } | |
1605 | ||
195a4ef6 MCC |
1606 | /* |
1607 | * em28xx_v4l2_open() | |
1608 | * inits the device and starts isoc transfer | |
1609 | */ | |
bec43661 | 1610 | static int em28xx_v4l2_open(struct file *filp) |
195a4ef6 | 1611 | { |
bec43661 | 1612 | int minor = video_devdata(filp)->minor; |
1a23f81b MCC |
1613 | int errCode = 0, radio; |
1614 | struct em28xx *dev; | |
1615 | enum v4l2_buf_type fh_type; | |
195a4ef6 | 1616 | struct em28xx_fh *fh; |
2d50f847 | 1617 | |
bec43661 | 1618 | dev = em28xx_get_device(minor, &fh_type, &radio); |
efc52a94 | 1619 | |
818a557e | 1620 | if (NULL == dev) |
195a4ef6 | 1621 | return -ENODEV; |
818a557e MCC |
1622 | |
1623 | mutex_lock(&dev->lock); | |
2d50f847 | 1624 | |
195a4ef6 | 1625 | em28xx_videodbg("open minor=%d type=%s users=%d\n", |
d7aa8020 | 1626 | minor, v4l2_type_names[fh_type], dev->users); |
2d50f847 | 1627 | |
9aeb4b05 | 1628 | |
c67ec53f | 1629 | fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); |
195a4ef6 MCC |
1630 | if (!fh) { |
1631 | em28xx_errdev("em28xx-video.c: Out of memory?!\n"); | |
818a557e | 1632 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
1633 | return -ENOMEM; |
1634 | } | |
195a4ef6 | 1635 | fh->dev = dev; |
0be43754 | 1636 | fh->radio = radio; |
d7aa8020 | 1637 | fh->type = fh_type; |
195a4ef6 | 1638 | filp->private_data = fh; |
9aeb4b05 | 1639 | |
d7aa8020 | 1640 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
195a4ef6 MCC |
1641 | dev->width = norm_maxw(dev); |
1642 | dev->height = norm_maxh(dev); | |
195a4ef6 MCC |
1643 | dev->hscale = 0; |
1644 | dev->vscale = 0; | |
2d50f847 | 1645 | |
c67ec53f | 1646 | em28xx_set_mode(dev, EM28XX_ANALOG_MODE); |
3687e1e6 | 1647 | em28xx_set_alternate(dev); |
195a4ef6 | 1648 | em28xx_resolution_set(dev); |
2d50f847 | 1649 | |
c67ec53f MCC |
1650 | /* Needed, since GPIO might have disabled power of |
1651 | some i2c device | |
1652 | */ | |
1a23f81b | 1653 | em28xx_wake_i2c(dev); |
c67ec53f | 1654 | |
2d50f847 | 1655 | } |
0be43754 MCC |
1656 | if (fh->radio) { |
1657 | em28xx_videodbg("video_open: setting radio device\n"); | |
1658 | em28xx_i2c_call_clients(dev, AUDC_SET_RADIO, NULL); | |
1659 | } | |
2d50f847 | 1660 | |
195a4ef6 | 1661 | dev->users++; |
2d50f847 | 1662 | |
ad0ebb96 MCC |
1663 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, |
1664 | NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED, | |
1665 | sizeof(struct em28xx_buffer), fh); | |
1666 | ||
195a4ef6 | 1667 | mutex_unlock(&dev->lock); |
c67ec53f | 1668 | |
195a4ef6 | 1669 | return errCode; |
2d50f847 | 1670 | } |
e5589bef | 1671 | |
a6c2ba28 | 1672 | /* |
195a4ef6 MCC |
1673 | * em28xx_realease_resources() |
1674 | * unregisters the v4l2,i2c and usb devices | |
1675 | * called when the device gets disconected or at module unload | |
1676 | */ | |
1a23f81b | 1677 | void em28xx_release_analog_resources(struct em28xx *dev) |
a6c2ba28 | 1678 | { |
a6c2ba28 | 1679 | |
195a4ef6 | 1680 | /*FIXME: I2C IR should be disconnected */ |
a6c2ba28 | 1681 | |
0be43754 MCC |
1682 | if (dev->radio_dev) { |
1683 | if (-1 != dev->radio_dev->minor) | |
1684 | video_unregister_device(dev->radio_dev); | |
1685 | else | |
1686 | video_device_release(dev->radio_dev); | |
1687 | dev->radio_dev = NULL; | |
1688 | } | |
1689 | if (dev->vbi_dev) { | |
49240444 DH |
1690 | em28xx_info("V4L2 device /dev/vbi%d deregistered\n", |
1691 | dev->vbi_dev->num); | |
0be43754 MCC |
1692 | if (-1 != dev->vbi_dev->minor) |
1693 | video_unregister_device(dev->vbi_dev); | |
1694 | else | |
1695 | video_device_release(dev->vbi_dev); | |
1696 | dev->vbi_dev = NULL; | |
1697 | } | |
1698 | if (dev->vdev) { | |
49240444 DH |
1699 | em28xx_info("V4L2 device /dev/video%d deregistered\n", |
1700 | dev->vdev->num); | |
0be43754 MCC |
1701 | if (-1 != dev->vdev->minor) |
1702 | video_unregister_device(dev->vdev); | |
1703 | else | |
1704 | video_device_release(dev->vdev); | |
1705 | dev->vdev = NULL; | |
1706 | } | |
195a4ef6 | 1707 | } |
a6c2ba28 | 1708 | |
195a4ef6 MCC |
1709 | /* |
1710 | * em28xx_v4l2_close() | |
6ea54d93 DSL |
1711 | * stops streaming and deallocates all resources allocated by the v4l2 |
1712 | * calls and ioctls | |
195a4ef6 | 1713 | */ |
bec43661 | 1714 | static int em28xx_v4l2_close(struct file *filp) |
195a4ef6 MCC |
1715 | { |
1716 | struct em28xx_fh *fh = filp->private_data; | |
1717 | struct em28xx *dev = fh->dev; | |
1718 | int errCode; | |
a6c2ba28 | 1719 | |
195a4ef6 | 1720 | em28xx_videodbg("users=%d\n", dev->users); |
a6c2ba28 | 1721 | |
a6c2ba28 | 1722 | |
7831364f | 1723 | mutex_lock(&dev->lock); |
195a4ef6 MCC |
1724 | if (res_check(fh)) |
1725 | res_free(fh); | |
a6c2ba28 | 1726 | |
195a4ef6 | 1727 | if (dev->users == 1) { |
ad0ebb96 MCC |
1728 | videobuf_stop(&fh->vb_vidq); |
1729 | videobuf_mmap_free(&fh->vb_vidq); | |
a6c2ba28 | 1730 | |
195a4ef6 MCC |
1731 | /* the device is already disconnect, |
1732 | free the remaining resources */ | |
1733 | if (dev->state & DEV_DISCONNECTED) { | |
1734 | em28xx_release_resources(dev); | |
1735 | mutex_unlock(&dev->lock); | |
1736 | kfree(dev); | |
1737 | return 0; | |
1738 | } | |
a6c2ba28 | 1739 | |
eb6c9634 MCC |
1740 | /* Save some power by putting tuner to sleep */ |
1741 | em28xx_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL); | |
1742 | ||
d7aa8020 AT |
1743 | /* do this before setting alternate! */ |
1744 | em28xx_uninit_isoc(dev); | |
2fe3e2ee | 1745 | em28xx_set_mode(dev, EM28XX_SUSPEND); |
d7aa8020 | 1746 | |
195a4ef6 MCC |
1747 | /* set alternate 0 */ |
1748 | dev->alt = 0; | |
1749 | em28xx_videodbg("setting alternate 0\n"); | |
1750 | errCode = usb_set_interface(dev->udev, 0, 0); | |
1751 | if (errCode < 0) { | |
1752 | em28xx_errdev("cannot change alternate number to " | |
1753 | "0 (error=%i)\n", errCode); | |
1754 | } | |
9aeb4b05 | 1755 | } |
195a4ef6 MCC |
1756 | kfree(fh); |
1757 | dev->users--; | |
1758 | wake_up_interruptible_nr(&dev->open, 1); | |
1759 | mutex_unlock(&dev->lock); | |
1760 | return 0; | |
1761 | } | |
a6c2ba28 | 1762 | |
195a4ef6 MCC |
1763 | /* |
1764 | * em28xx_v4l2_read() | |
1765 | * will allocate buffers when called for the first time | |
1766 | */ | |
1767 | static ssize_t | |
6ea54d93 | 1768 | em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, |
f245e549 | 1769 | loff_t *pos) |
195a4ef6 | 1770 | { |
195a4ef6 MCC |
1771 | struct em28xx_fh *fh = filp->private_data; |
1772 | struct em28xx *dev = fh->dev; | |
ad0ebb96 MCC |
1773 | int rc; |
1774 | ||
1775 | rc = check_dev(dev); | |
1776 | if (rc < 0) | |
1777 | return rc; | |
a6c2ba28 | 1778 | |
195a4ef6 MCC |
1779 | /* FIXME: read() is not prepared to allow changing the video |
1780 | resolution while streaming. Seems a bug at em28xx_set_fmt | |
1781 | */ | |
a6c2ba28 | 1782 | |
ad0ebb96 | 1783 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
29b59417 MCC |
1784 | mutex_lock(&dev->lock); |
1785 | rc = res_get(fh); | |
1786 | mutex_unlock(&dev->lock); | |
1787 | ||
1788 | if (unlikely(rc < 0)) | |
1789 | return rc; | |
195a4ef6 | 1790 | |
ad0ebb96 MCC |
1791 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, |
1792 | filp->f_flags & O_NONBLOCK); | |
195a4ef6 | 1793 | } |
ad0ebb96 | 1794 | return 0; |
a6c2ba28 | 1795 | } |
1796 | ||
1797 | /* | |
195a4ef6 MCC |
1798 | * em28xx_v4l2_poll() |
1799 | * will allocate buffers when called for the first time | |
a6c2ba28 | 1800 | */ |
a1a6ee74 | 1801 | static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait) |
a6c2ba28 | 1802 | { |
a3a048ce | 1803 | struct em28xx_fh *fh = filp->private_data; |
195a4ef6 | 1804 | struct em28xx *dev = fh->dev; |
ad0ebb96 MCC |
1805 | int rc; |
1806 | ||
1807 | rc = check_dev(dev); | |
1808 | if (rc < 0) | |
1809 | return rc; | |
a6c2ba28 | 1810 | |
29b59417 MCC |
1811 | mutex_lock(&dev->lock); |
1812 | rc = res_get(fh); | |
1813 | mutex_unlock(&dev->lock); | |
1814 | ||
1815 | if (unlikely(rc < 0)) | |
195a4ef6 | 1816 | return POLLERR; |
a6c2ba28 | 1817 | |
ad0ebb96 MCC |
1818 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
1819 | return POLLERR; | |
a6c2ba28 | 1820 | |
ad0ebb96 | 1821 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
195a4ef6 | 1822 | } |
a6c2ba28 | 1823 | |
195a4ef6 MCC |
1824 | /* |
1825 | * em28xx_v4l2_mmap() | |
1826 | */ | |
1827 | static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1828 | { | |
1829 | struct em28xx_fh *fh = filp->private_data; | |
1830 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 1831 | int rc; |
a6c2ba28 | 1832 | |
ad0ebb96 MCC |
1833 | rc = check_dev(dev); |
1834 | if (rc < 0) | |
1835 | return rc; | |
a6c2ba28 | 1836 | |
29b59417 MCC |
1837 | mutex_lock(&dev->lock); |
1838 | rc = res_get(fh); | |
1839 | mutex_unlock(&dev->lock); | |
1840 | ||
1841 | if (unlikely(rc < 0)) | |
1842 | return rc; | |
1843 | ||
ad0ebb96 | 1844 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
a6c2ba28 | 1845 | |
ad0ebb96 MCC |
1846 | em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", |
1847 | (unsigned long)vma->vm_start, | |
1848 | (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, | |
1849 | rc); | |
a6c2ba28 | 1850 | |
ad0ebb96 | 1851 | return rc; |
a6c2ba28 | 1852 | } |
1853 | ||
bec43661 | 1854 | static const struct v4l2_file_operations em28xx_v4l_fops = { |
195a4ef6 MCC |
1855 | .owner = THIS_MODULE, |
1856 | .open = em28xx_v4l2_open, | |
1857 | .release = em28xx_v4l2_close, | |
1858 | .read = em28xx_v4l2_read, | |
1859 | .poll = em28xx_v4l2_poll, | |
1860 | .mmap = em28xx_v4l2_mmap, | |
1861 | .ioctl = video_ioctl2, | |
195a4ef6 | 1862 | }; |
17cbe2e5 | 1863 | |
a399810c | 1864 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
195a4ef6 | 1865 | .vidioc_querycap = vidioc_querycap, |
78b526a4 HV |
1866 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1867 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1868 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1869 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
195a4ef6 MCC |
1870 | .vidioc_g_audio = vidioc_g_audio, |
1871 | .vidioc_s_audio = vidioc_s_audio, | |
1872 | .vidioc_cropcap = vidioc_cropcap, | |
1873 | ||
78b526a4 HV |
1874 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
1875 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1876 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
195a4ef6 MCC |
1877 | |
1878 | .vidioc_reqbufs = vidioc_reqbufs, | |
1879 | .vidioc_querybuf = vidioc_querybuf, | |
1880 | .vidioc_qbuf = vidioc_qbuf, | |
1881 | .vidioc_dqbuf = vidioc_dqbuf, | |
1882 | .vidioc_s_std = vidioc_s_std, | |
1883 | .vidioc_enum_input = vidioc_enum_input, | |
1884 | .vidioc_g_input = vidioc_g_input, | |
1885 | .vidioc_s_input = vidioc_s_input, | |
1886 | .vidioc_queryctrl = vidioc_queryctrl, | |
1887 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1888 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1889 | .vidioc_streamon = vidioc_streamon, | |
1890 | .vidioc_streamoff = vidioc_streamoff, | |
1891 | .vidioc_g_tuner = vidioc_g_tuner, | |
1892 | .vidioc_s_tuner = vidioc_s_tuner, | |
1893 | .vidioc_g_frequency = vidioc_g_frequency, | |
1894 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
1895 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1896 | .vidioc_g_register = vidioc_g_register, | |
1897 | .vidioc_s_register = vidioc_s_register, | |
14983d81 | 1898 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
1e7ad56f | 1899 | #endif |
ad0ebb96 MCC |
1900 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
1901 | .vidiocgmbuf = vidiocgmbuf, | |
1902 | #endif | |
a399810c HV |
1903 | }; |
1904 | ||
1905 | static const struct video_device em28xx_video_template = { | |
1906 | .fops = &em28xx_v4l_fops, | |
1907 | .release = video_device_release, | |
1908 | .ioctl_ops = &video_ioctl_ops, | |
1909 | ||
1910 | .minor = -1, | |
195a4ef6 MCC |
1911 | |
1912 | .tvnorms = V4L2_STD_ALL, | |
7d497f8a | 1913 | .current_norm = V4L2_STD_PAL, |
a6c2ba28 | 1914 | }; |
1915 | ||
bec43661 | 1916 | static const struct v4l2_file_operations radio_fops = { |
a399810c HV |
1917 | .owner = THIS_MODULE, |
1918 | .open = em28xx_v4l2_open, | |
1919 | .release = em28xx_v4l2_close, | |
1920 | .ioctl = video_ioctl2, | |
a399810c HV |
1921 | }; |
1922 | ||
1923 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
0be43754 MCC |
1924 | .vidioc_querycap = radio_querycap, |
1925 | .vidioc_g_tuner = radio_g_tuner, | |
1926 | .vidioc_enum_input = radio_enum_input, | |
1927 | .vidioc_g_audio = radio_g_audio, | |
1928 | .vidioc_s_tuner = radio_s_tuner, | |
1929 | .vidioc_s_audio = radio_s_audio, | |
1930 | .vidioc_s_input = radio_s_input, | |
1931 | .vidioc_queryctrl = radio_queryctrl, | |
1932 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1933 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1934 | .vidioc_g_frequency = vidioc_g_frequency, | |
1935 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
1936 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1937 | .vidioc_g_register = vidioc_g_register, | |
1938 | .vidioc_s_register = vidioc_s_register, | |
1939 | #endif | |
0be43754 MCC |
1940 | }; |
1941 | ||
a399810c HV |
1942 | static struct video_device em28xx_radio_template = { |
1943 | .name = "em28xx-radio", | |
a399810c HV |
1944 | .fops = &radio_fops, |
1945 | .ioctl_ops = &radio_ioctl_ops, | |
1946 | .minor = -1, | |
1947 | }; | |
1948 | ||
6ea54d93 | 1949 | /******************************** usb interface ******************************/ |
a6c2ba28 | 1950 | |
6d79468d | 1951 | |
6d79468d | 1952 | |
532fe652 | 1953 | static struct video_device *em28xx_vdev_init(struct em28xx *dev, |
a1a6ee74 NS |
1954 | const struct video_device *template, |
1955 | const char *type_name) | |
0be43754 MCC |
1956 | { |
1957 | struct video_device *vfd; | |
1958 | ||
1959 | vfd = video_device_alloc(); | |
1960 | if (NULL == vfd) | |
1961 | return NULL; | |
1962 | *vfd = *template; | |
1963 | vfd->minor = -1; | |
5e85e732 | 1964 | vfd->parent = &dev->udev->dev; |
0be43754 | 1965 | vfd->release = video_device_release; |
e9e6040d | 1966 | vfd->debug = video_debug; |
0be43754 MCC |
1967 | |
1968 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", | |
1969 | dev->name, type_name); | |
1970 | ||
1971 | return vfd; | |
1972 | } | |
1973 | ||
2e5ef2df | 1974 | int em28xx_register_analog_devices(struct em28xx *dev) |
1a23f81b | 1975 | { |
6e7b9ea0 | 1976 | u8 val; |
2e5ef2df MCC |
1977 | int ret; |
1978 | ||
1a23f81b MCC |
1979 | printk(KERN_INFO "%s: v4l2 driver version %d.%d.%d\n", |
1980 | dev->name, | |
1981 | (EM28XX_VERSION_CODE >> 16) & 0xff, | |
1982 | (EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff); | |
1983 | ||
24c3c415 MCC |
1984 | /* set default norm */ |
1985 | dev->norm = em28xx_video_template.current_norm; | |
1986 | dev->width = norm_maxw(dev); | |
1987 | dev->height = norm_maxh(dev); | |
1988 | dev->interlaced = EM28XX_INTERLACED_DEFAULT; | |
1989 | dev->hscale = 0; | |
1990 | dev->vscale = 0; | |
1991 | dev->ctl_input = 0; | |
1992 | ||
1a23f81b MCC |
1993 | /* Analog specific initialization */ |
1994 | dev->format = &format[0]; | |
24c3c415 MCC |
1995 | video_mux(dev, dev->ctl_input); |
1996 | ||
1997 | /* Audio defaults */ | |
1998 | dev->mute = 1; | |
1999 | dev->volume = 0x1f; | |
1a23f81b MCC |
2000 | |
2001 | /* enable vbi capturing */ | |
2002 | ||
2003 | /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ | |
a1a6ee74 NS |
2004 | val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); |
2005 | em28xx_write_reg(dev, EM28XX_R0F_XCLK, | |
2006 | (EM28XX_XCLK_AUDIO_UNMUTE | val)); | |
1a23f81b MCC |
2007 | em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x51); |
2008 | ||
1a23f81b MCC |
2009 | em28xx_set_outfmt(dev); |
2010 | em28xx_colorlevels_set_default(dev); | |
2011 | em28xx_compression_disable(dev); | |
2012 | ||
818a557e MCC |
2013 | /* allocate and fill video video_device struct */ |
2014 | dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); | |
2015 | if (!dev->vdev) { | |
2016 | em28xx_errdev("cannot allocate video_device.\n"); | |
2017 | return -ENODEV; | |
2018 | } | |
2019 | ||
2020 | /* register v4l2 video video_device */ | |
2021 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, | |
2022 | video_nr[dev->devno]); | |
2023 | if (ret) { | |
2024 | em28xx_errdev("unable to register video device (error=%i).\n", | |
2025 | ret); | |
2026 | return ret; | |
2027 | } | |
2028 | ||
2029 | /* Allocate and fill vbi video_device struct */ | |
2030 | dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi"); | |
2031 | ||
2032 | /* register v4l2 vbi video_device */ | |
2033 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, | |
2034 | vbi_nr[dev->devno]); | |
2035 | if (ret < 0) { | |
2036 | em28xx_errdev("unable to register vbi device\n"); | |
2037 | return ret; | |
2038 | } | |
2039 | ||
2040 | if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { | |
a1a6ee74 NS |
2041 | dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, |
2042 | "radio"); | |
818a557e MCC |
2043 | if (!dev->radio_dev) { |
2044 | em28xx_errdev("cannot allocate video_device.\n"); | |
2045 | return -ENODEV; | |
2046 | } | |
2047 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, | |
2048 | radio_nr[dev->devno]); | |
2049 | if (ret < 0) { | |
2050 | em28xx_errdev("can't register radio device\n"); | |
2051 | return ret; | |
2052 | } | |
2053 | em28xx_info("Registered radio device as /dev/radio%d\n", | |
2054 | dev->radio_dev->num); | |
2055 | } | |
2056 | ||
2057 | em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", | |
2058 | dev->vdev->num, dev->vbi_dev->num); | |
2059 | ||
2060 | return 0; | |
2061 | } |