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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" |
f2cf250a | 52 | #define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 2) |
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 | { | |
58fc1ce3 | 93 | .name = "16 bpp YUY2, 4:2:2, packed", |
bddcf633 MCC |
94 | .fourcc = V4L2_PIX_FMT_YUYV, |
95 | .depth = 16, | |
3fbf9309 | 96 | .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, |
43cb9fe3 | 97 | }, { |
58fc1ce3 | 98 | .name = "16 bpp RGB 565, LE", |
43cb9fe3 MCC |
99 | .fourcc = V4L2_PIX_FMT_RGB565, |
100 | .depth = 16, | |
58fc1ce3 MCC |
101 | .reg = EM28XX_OUTFMT_RGB_16_656, |
102 | }, { | |
103 | .name = "8 bpp Bayer BGBG..GRGR", | |
104 | .fourcc = V4L2_PIX_FMT_SBGGR8, | |
105 | .depth = 8, | |
106 | .reg = EM28XX_OUTFMT_RGB_8_BGBG, | |
107 | }, { | |
108 | .name = "8 bpp Bayer GRGR..BGBG", | |
109 | .fourcc = V4L2_PIX_FMT_SGRBG8, | |
110 | .depth = 8, | |
111 | .reg = EM28XX_OUTFMT_RGB_8_GRGR, | |
112 | }, { | |
113 | .name = "8 bpp Bayer GBGB..RGRG", | |
114 | .fourcc = V4L2_PIX_FMT_SGBRG8, | |
115 | .depth = 8, | |
116 | .reg = EM28XX_OUTFMT_RGB_8_GBGB, | |
117 | }, { | |
118 | .name = "12 bpp YUV411", | |
119 | .fourcc = V4L2_PIX_FMT_YUV411P, | |
120 | .depth = 12, | |
121 | .reg = EM28XX_OUTFMT_YUV411, | |
bddcf633 MCC |
122 | }, |
123 | }; | |
124 | ||
a6c2ba28 | 125 | /* supported controls */ |
c0477ad9 | 126 | /* Common to all boards */ |
ed10daae | 127 | static struct v4l2_queryctrl ac97_qctrl[] = { |
c0477ad9 MCC |
128 | { |
129 | .id = V4L2_CID_AUDIO_VOLUME, | |
130 | .type = V4L2_CTRL_TYPE_INTEGER, | |
131 | .name = "Volume", | |
132 | .minimum = 0x0, | |
133 | .maximum = 0x1f, | |
134 | .step = 0x1, | |
135 | .default_value = 0x1f, | |
a98f6af9 | 136 | .flags = V4L2_CTRL_FLAG_SLIDER, |
6ea54d93 | 137 | }, { |
c0477ad9 MCC |
138 | .id = V4L2_CID_AUDIO_MUTE, |
139 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
140 | .name = "Mute", | |
141 | .minimum = 0, | |
142 | .maximum = 1, | |
143 | .step = 1, | |
144 | .default_value = 1, | |
145 | .flags = 0, | |
146 | } | |
147 | }; | |
148 | ||
ad0ebb96 MCC |
149 | /* ------------------------------------------------------------------ |
150 | DMA and thread functions | |
151 | ------------------------------------------------------------------*/ | |
152 | ||
153 | /* | |
154 | * Announces that a buffer were filled and request the next | |
155 | */ | |
f245e549 | 156 | static inline void buffer_filled(struct em28xx *dev, |
ad0ebb96 MCC |
157 | struct em28xx_dmaqueue *dma_q, |
158 | struct em28xx_buffer *buf) | |
159 | { | |
ad0ebb96 MCC |
160 | /* Advice that buffer was filled */ |
161 | em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
162 | buf->vb.state = VIDEOBUF_DONE; | |
163 | buf->vb.field_count++; | |
164 | do_gettimeofday(&buf->vb.ts); | |
165 | ||
28abf083 DH |
166 | dev->isoc_ctl.vid_buf = NULL; |
167 | ||
168 | list_del(&buf->vb.queue); | |
169 | wake_up(&buf->vb.done); | |
170 | } | |
171 | ||
172 | static inline void vbi_buffer_filled(struct em28xx *dev, | |
173 | struct em28xx_dmaqueue *dma_q, | |
174 | struct em28xx_buffer *buf) | |
175 | { | |
176 | /* Advice that buffer was filled */ | |
177 | em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
178 | ||
179 | buf->vb.state = VIDEOBUF_DONE; | |
180 | buf->vb.field_count++; | |
181 | do_gettimeofday(&buf->vb.ts); | |
182 | ||
183 | dev->isoc_ctl.vbi_buf = NULL; | |
cb784724 | 184 | |
ad0ebb96 MCC |
185 | list_del(&buf->vb.queue); |
186 | wake_up(&buf->vb.done); | |
187 | } | |
188 | ||
189 | /* | |
190 | * Identify the buffer header type and properly handles | |
191 | */ | |
192 | static void em28xx_copy_video(struct em28xx *dev, | |
193 | struct em28xx_dmaqueue *dma_q, | |
194 | struct em28xx_buffer *buf, | |
195 | unsigned char *p, | |
196 | unsigned char *outp, unsigned long len) | |
197 | { | |
198 | void *fieldstart, *startwrite, *startread; | |
f245e549 | 199 | int linesdone, currlinedone, offset, lencopy, remain; |
44dc733c | 200 | int bytesperline = dev->width << 1; |
ad0ebb96 MCC |
201 | |
202 | if (dma_q->pos + len > buf->vb.size) | |
203 | len = buf->vb.size - dma_q->pos; | |
204 | ||
d7aa8020 | 205 | if (p[0] != 0x88 && p[0] != 0x22) { |
ad0ebb96 MCC |
206 | em28xx_isocdbg("frame is not complete\n"); |
207 | len += 4; | |
208 | } else | |
f245e549 | 209 | p += 4; |
ad0ebb96 MCC |
210 | |
211 | startread = p; | |
212 | remain = len; | |
213 | ||
c2a6b54a | 214 | if (dev->progressive) |
ad0ebb96 | 215 | fieldstart = outp; |
c2a6b54a MCC |
216 | else { |
217 | /* Interlaces two half frames */ | |
218 | if (buf->top_field) | |
219 | fieldstart = outp; | |
220 | else | |
221 | fieldstart = outp + bytesperline; | |
222 | } | |
ad0ebb96 | 223 | |
44dc733c MCC |
224 | linesdone = dma_q->pos / bytesperline; |
225 | currlinedone = dma_q->pos % bytesperline; | |
c2a6b54a MCC |
226 | |
227 | if (dev->progressive) | |
228 | offset = linesdone * bytesperline + currlinedone; | |
229 | else | |
230 | offset = linesdone * bytesperline * 2 + currlinedone; | |
231 | ||
ad0ebb96 | 232 | startwrite = fieldstart + offset; |
44dc733c | 233 | lencopy = bytesperline - currlinedone; |
ad0ebb96 MCC |
234 | lencopy = lencopy > remain ? remain : lencopy; |
235 | ||
f245e549 | 236 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { |
ea8df7e0 | 237 | em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", |
f245e549 MCC |
238 | ((char *)startwrite + lencopy) - |
239 | ((char *)outp + buf->vb.size)); | |
a1a6ee74 NS |
240 | remain = (char *)outp + buf->vb.size - (char *)startwrite; |
241 | lencopy = remain; | |
d7aa8020 | 242 | } |
e0fadfd3 AT |
243 | if (lencopy <= 0) |
244 | return; | |
d7aa8020 | 245 | memcpy(startwrite, startread, lencopy); |
ad0ebb96 MCC |
246 | |
247 | remain -= lencopy; | |
248 | ||
249 | while (remain > 0) { | |
44dc733c | 250 | startwrite += lencopy + bytesperline; |
ad0ebb96 | 251 | startread += lencopy; |
44dc733c | 252 | if (bytesperline > remain) |
ad0ebb96 MCC |
253 | lencopy = remain; |
254 | else | |
44dc733c | 255 | lencopy = bytesperline; |
ad0ebb96 | 256 | |
a1a6ee74 NS |
257 | if ((char *)startwrite + lencopy > (char *)outp + |
258 | buf->vb.size) { | |
e3ba4d34 DH |
259 | em28xx_isocdbg("Overflow of %zi bytes past buffer end" |
260 | "(2)\n", | |
f245e549 MCC |
261 | ((char *)startwrite + lencopy) - |
262 | ((char *)outp + buf->vb.size)); | |
263 | lencopy = remain = (char *)outp + buf->vb.size - | |
264 | (char *)startwrite; | |
d7aa8020 | 265 | } |
f245e549 MCC |
266 | if (lencopy <= 0) |
267 | break; | |
d7aa8020 AT |
268 | |
269 | memcpy(startwrite, startread, lencopy); | |
ad0ebb96 MCC |
270 | |
271 | remain -= lencopy; | |
272 | } | |
273 | ||
274 | dma_q->pos += len; | |
275 | } | |
276 | ||
28abf083 DH |
277 | static void em28xx_copy_vbi(struct em28xx *dev, |
278 | struct em28xx_dmaqueue *dma_q, | |
279 | struct em28xx_buffer *buf, | |
280 | unsigned char *p, | |
281 | unsigned char *outp, unsigned long len) | |
282 | { | |
283 | void *startwrite, *startread; | |
284 | int offset; | |
66d9cbad | 285 | int bytesperline = dev->vbi_width; |
28abf083 DH |
286 | |
287 | if (dev == NULL) { | |
e3ba4d34 | 288 | em28xx_isocdbg("dev is null\n"); |
28abf083 DH |
289 | return; |
290 | } | |
291 | ||
292 | if (dma_q == NULL) { | |
e3ba4d34 | 293 | em28xx_isocdbg("dma_q is null\n"); |
28abf083 DH |
294 | return; |
295 | } | |
296 | if (buf == NULL) { | |
297 | return; | |
298 | } | |
299 | if (p == NULL) { | |
e3ba4d34 | 300 | em28xx_isocdbg("p is null\n"); |
28abf083 DH |
301 | return; |
302 | } | |
303 | if (outp == NULL) { | |
e3ba4d34 | 304 | em28xx_isocdbg("outp is null\n"); |
28abf083 DH |
305 | return; |
306 | } | |
307 | ||
308 | if (dma_q->pos + len > buf->vb.size) | |
309 | len = buf->vb.size - dma_q->pos; | |
310 | ||
311 | if ((p[0] == 0x33 && p[1] == 0x95) || | |
312 | (p[0] == 0x88 && p[1] == 0x88)) { | |
313 | /* Header field, advance past it */ | |
314 | p += 4; | |
315 | } else { | |
316 | len += 4; | |
317 | } | |
318 | ||
319 | startread = p; | |
320 | ||
321 | startwrite = outp + dma_q->pos; | |
322 | offset = dma_q->pos; | |
323 | ||
324 | /* Make sure the bottom field populates the second half of the frame */ | |
325 | if (buf->top_field == 0) { | |
66d9cbad DH |
326 | startwrite += bytesperline * dev->vbi_height; |
327 | offset += bytesperline * dev->vbi_height; | |
28abf083 DH |
328 | } |
329 | ||
330 | memcpy(startwrite, startread, len); | |
331 | dma_q->pos += len; | |
332 | } | |
333 | ||
f245e549 | 334 | static inline void print_err_status(struct em28xx *dev, |
ad0ebb96 MCC |
335 | int packet, int status) |
336 | { | |
337 | char *errmsg = "Unknown"; | |
338 | ||
f245e549 | 339 | switch (status) { |
ad0ebb96 MCC |
340 | case -ENOENT: |
341 | errmsg = "unlinked synchronuously"; | |
342 | break; | |
343 | case -ECONNRESET: | |
344 | errmsg = "unlinked asynchronuously"; | |
345 | break; | |
346 | case -ENOSR: | |
347 | errmsg = "Buffer error (overrun)"; | |
348 | break; | |
349 | case -EPIPE: | |
350 | errmsg = "Stalled (device not responding)"; | |
351 | break; | |
352 | case -EOVERFLOW: | |
353 | errmsg = "Babble (bad cable?)"; | |
354 | break; | |
355 | case -EPROTO: | |
356 | errmsg = "Bit-stuff error (bad cable?)"; | |
357 | break; | |
358 | case -EILSEQ: | |
359 | errmsg = "CRC/Timeout (could be anything)"; | |
360 | break; | |
361 | case -ETIME: | |
362 | errmsg = "Device does not respond"; | |
363 | break; | |
364 | } | |
f245e549 | 365 | if (packet < 0) { |
ad0ebb96 MCC |
366 | em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
367 | } else { | |
368 | em28xx_isocdbg("URB packet %d, status %d [%s].\n", | |
369 | packet, status, errmsg); | |
370 | } | |
371 | } | |
372 | ||
373 | /* | |
374 | * video-buf generic routine to get the next available buffer | |
375 | */ | |
3b5fa928 | 376 | static inline void get_next_buf(struct em28xx_dmaqueue *dma_q, |
ad0ebb96 MCC |
377 | struct em28xx_buffer **buf) |
378 | { | |
379 | struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); | |
dbecb44c | 380 | char *outp; |
ad0ebb96 | 381 | |
dbecb44c MCC |
382 | if (list_empty(&dma_q->active)) { |
383 | em28xx_isocdbg("No active queue to serve\n"); | |
28abf083 | 384 | dev->isoc_ctl.vid_buf = NULL; |
dbecb44c | 385 | *buf = NULL; |
3b5fa928 | 386 | return; |
dbecb44c MCC |
387 | } |
388 | ||
dbecb44c MCC |
389 | /* Get the next buffer */ |
390 | *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); | |
391 | ||
dbecb44c MCC |
392 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ |
393 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
394 | memset(outp, 0, (*buf)->vb.size); | |
cb784724 | 395 | |
28abf083 DH |
396 | dev->isoc_ctl.vid_buf = *buf; |
397 | ||
398 | return; | |
399 | } | |
400 | ||
401 | /* | |
402 | * video-buf generic routine to get the next available VBI buffer | |
403 | */ | |
404 | static inline void vbi_get_next_buf(struct em28xx_dmaqueue *dma_q, | |
405 | struct em28xx_buffer **buf) | |
406 | { | |
407 | struct em28xx *dev = container_of(dma_q, struct em28xx, vbiq); | |
408 | char *outp; | |
409 | ||
410 | if (list_empty(&dma_q->active)) { | |
411 | em28xx_isocdbg("No active queue to serve\n"); | |
412 | dev->isoc_ctl.vbi_buf = NULL; | |
413 | *buf = NULL; | |
414 | return; | |
415 | } | |
416 | ||
417 | /* Get the next buffer */ | |
418 | *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); | |
419 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ | |
420 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
421 | memset(outp, 0x00, (*buf)->vb.size); | |
422 | ||
423 | dev->isoc_ctl.vbi_buf = *buf; | |
cb784724 | 424 | |
3b5fa928 | 425 | return; |
ad0ebb96 MCC |
426 | } |
427 | ||
428 | /* | |
429 | * Controls the isoc copy of each urb packet | |
430 | */ | |
579f72e4 | 431 | static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb) |
ad0ebb96 | 432 | { |
d7aa8020 | 433 | struct em28xx_buffer *buf; |
da52a55c | 434 | struct em28xx_dmaqueue *dma_q = &dev->vidq; |
3b5fa928 | 435 | unsigned char *outp = NULL; |
ad0ebb96 | 436 | int i, len = 0, rc = 1; |
d7aa8020 | 437 | unsigned char *p; |
ad0ebb96 MCC |
438 | |
439 | if (!dev) | |
440 | return 0; | |
441 | ||
442 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
443 | return 0; | |
444 | ||
f245e549 MCC |
445 | if (urb->status < 0) { |
446 | print_err_status(dev, -1, urb->status); | |
ad0ebb96 MCC |
447 | if (urb->status == -ENOENT) |
448 | return 0; | |
449 | } | |
450 | ||
28abf083 | 451 | buf = dev->isoc_ctl.vid_buf; |
3b5fa928 AT |
452 | if (buf != NULL) |
453 | outp = videobuf_to_vmalloc(&buf->vb); | |
d7aa8020 | 454 | |
ad0ebb96 MCC |
455 | for (i = 0; i < urb->number_of_packets; i++) { |
456 | int status = urb->iso_frame_desc[i].status; | |
457 | ||
f245e549 MCC |
458 | if (status < 0) { |
459 | print_err_status(dev, i, status); | |
ad0ebb96 MCC |
460 | if (urb->iso_frame_desc[i].status != -EPROTO) |
461 | continue; | |
462 | } | |
463 | ||
f245e549 | 464 | len = urb->iso_frame_desc[i].actual_length - 4; |
ad0ebb96 MCC |
465 | |
466 | if (urb->iso_frame_desc[i].actual_length <= 0) { | |
d7aa8020 | 467 | /* em28xx_isocdbg("packet %d is empty",i); - spammy */ |
ad0ebb96 MCC |
468 | continue; |
469 | } | |
470 | if (urb->iso_frame_desc[i].actual_length > | |
471 | dev->max_pkt_size) { | |
472 | em28xx_isocdbg("packet bigger than packet size"); | |
473 | continue; | |
474 | } | |
475 | ||
476 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ad0ebb96 MCC |
477 | |
478 | /* FIXME: incomplete buffer checks where removed to make | |
479 | logic simpler. Impacts of those changes should be evaluated | |
480 | */ | |
b4916f8c MCC |
481 | if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { |
482 | em28xx_isocdbg("VBI HEADER!!!\n"); | |
483 | /* FIXME: Should add vbi copy */ | |
484 | continue; | |
485 | } | |
d7aa8020 | 486 | if (p[0] == 0x22 && p[1] == 0x5a) { |
78bb3949 | 487 | em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], |
a1a6ee74 | 488 | len, (p[2] & 1) ? "odd" : "even"); |
d7aa8020 | 489 | |
c2a6b54a | 490 | if (dev->progressive || !(p[2] & 1)) { |
3b5fa928 AT |
491 | if (buf != NULL) |
492 | buffer_filled(dev, dma_q, buf); | |
493 | get_next_buf(dma_q, &buf); | |
494 | if (buf == NULL) | |
495 | outp = NULL; | |
496 | else | |
497 | outp = videobuf_to_vmalloc(&buf->vb); | |
498 | } | |
499 | ||
500 | if (buf != NULL) { | |
501 | if (p[2] & 1) | |
502 | buf->top_field = 0; | |
503 | else | |
504 | buf->top_field = 1; | |
e0fadfd3 | 505 | } |
b4916f8c | 506 | |
ad0ebb96 | 507 | dma_q->pos = 0; |
ad0ebb96 | 508 | } |
3b5fa928 AT |
509 | if (buf != NULL) |
510 | em28xx_copy_video(dev, dma_q, buf, p, outp, len); | |
ad0ebb96 MCC |
511 | } |
512 | return rc; | |
513 | } | |
514 | ||
da52a55c DH |
515 | /* Version of isoc handler that takes into account a mixture of video and |
516 | VBI data */ | |
517 | static inline int em28xx_isoc_copy_vbi(struct em28xx *dev, struct urb *urb) | |
518 | { | |
519 | struct em28xx_buffer *buf, *vbi_buf; | |
520 | struct em28xx_dmaqueue *dma_q = &dev->vidq; | |
28abf083 | 521 | struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; |
da52a55c DH |
522 | unsigned char *outp = NULL; |
523 | unsigned char *vbioutp = NULL; | |
524 | int i, len = 0, rc = 1; | |
525 | unsigned char *p; | |
526 | int vbi_size; | |
527 | ||
528 | if (!dev) | |
529 | return 0; | |
530 | ||
531 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
532 | return 0; | |
533 | ||
534 | if (urb->status < 0) { | |
535 | print_err_status(dev, -1, urb->status); | |
536 | if (urb->status == -ENOENT) | |
537 | return 0; | |
538 | } | |
539 | ||
28abf083 | 540 | buf = dev->isoc_ctl.vid_buf; |
da52a55c DH |
541 | if (buf != NULL) |
542 | outp = videobuf_to_vmalloc(&buf->vb); | |
28abf083 DH |
543 | |
544 | vbi_buf = dev->isoc_ctl.vbi_buf; | |
545 | if (vbi_buf != NULL) | |
546 | vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); | |
547 | ||
da52a55c DH |
548 | for (i = 0; i < urb->number_of_packets; i++) { |
549 | int status = urb->iso_frame_desc[i].status; | |
550 | ||
551 | if (status < 0) { | |
552 | print_err_status(dev, i, status); | |
553 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
554 | continue; | |
555 | } | |
556 | ||
557 | len = urb->iso_frame_desc[i].actual_length - 4; | |
558 | ||
559 | if (urb->iso_frame_desc[i].actual_length <= 0) { | |
560 | /* em28xx_isocdbg("packet %d is empty",i); - spammy */ | |
561 | continue; | |
562 | } | |
563 | if (urb->iso_frame_desc[i].actual_length > | |
564 | dev->max_pkt_size) { | |
565 | em28xx_isocdbg("packet bigger than packet size"); | |
566 | continue; | |
567 | } | |
568 | ||
569 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
570 | ||
571 | /* capture type 0 = vbi start | |
572 | capture type 1 = video start | |
573 | capture type 2 = video in progress */ | |
574 | if (p[0] == 0x33 && p[1] == 0x95) { | |
575 | dev->capture_type = 0; | |
576 | dev->vbi_read = 0; | |
577 | em28xx_isocdbg("VBI START HEADER!!!\n"); | |
578 | dev->cur_field = p[2]; | |
579 | } | |
580 | ||
66d9cbad | 581 | vbi_size = dev->vbi_width * dev->vbi_height; |
da52a55c DH |
582 | |
583 | if (dev->capture_type == 0) { | |
584 | if (dev->vbi_read >= vbi_size) { | |
585 | /* We've already read all the VBI data, so | |
586 | treat the rest as video */ | |
e3ba4d34 | 587 | em28xx_isocdbg("dev->vbi_read > vbi_size\n"); |
da52a55c DH |
588 | } else if ((dev->vbi_read + len) < vbi_size) { |
589 | /* This entire frame is VBI data */ | |
28abf083 DH |
590 | if (dev->vbi_read == 0 && |
591 | (!(dev->cur_field & 1))) { | |
592 | /* Brand new frame */ | |
593 | if (vbi_buf != NULL) | |
594 | vbi_buffer_filled(dev, | |
595 | vbi_dma_q, | |
596 | vbi_buf); | |
597 | vbi_get_next_buf(vbi_dma_q, &vbi_buf); | |
598 | if (vbi_buf == NULL) | |
599 | vbioutp = NULL; | |
e3ba4d34 DH |
600 | else |
601 | vbioutp = videobuf_to_vmalloc( | |
602 | &vbi_buf->vb); | |
28abf083 DH |
603 | } |
604 | ||
605 | if (dev->vbi_read == 0) { | |
606 | vbi_dma_q->pos = 0; | |
607 | if (vbi_buf != NULL) { | |
608 | if (dev->cur_field & 1) | |
609 | vbi_buf->top_field = 0; | |
610 | else | |
611 | vbi_buf->top_field = 1; | |
612 | } | |
613 | } | |
614 | ||
da52a55c | 615 | dev->vbi_read += len; |
28abf083 DH |
616 | em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p, |
617 | vbioutp, len); | |
da52a55c DH |
618 | } else { |
619 | /* Some of this frame is VBI data and some is | |
620 | video data */ | |
621 | int vbi_data_len = vbi_size - dev->vbi_read; | |
622 | dev->vbi_read += vbi_data_len; | |
28abf083 DH |
623 | em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p, |
624 | vbioutp, vbi_data_len); | |
da52a55c DH |
625 | dev->capture_type = 1; |
626 | p += vbi_data_len; | |
627 | len -= vbi_data_len; | |
628 | } | |
629 | } | |
630 | ||
631 | if (dev->capture_type == 1) { | |
632 | dev->capture_type = 2; | |
633 | em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], | |
634 | len, (p[2] & 1) ? "odd" : "even"); | |
635 | ||
636 | if (dev->progressive || !(dev->cur_field & 1)) { | |
637 | if (buf != NULL) | |
638 | buffer_filled(dev, dma_q, buf); | |
639 | get_next_buf(dma_q, &buf); | |
640 | if (buf == NULL) | |
641 | outp = NULL; | |
642 | else | |
643 | outp = videobuf_to_vmalloc(&buf->vb); | |
644 | } | |
645 | if (buf != NULL) { | |
646 | if (dev->cur_field & 1) | |
647 | buf->top_field = 0; | |
648 | else | |
649 | buf->top_field = 1; | |
650 | } | |
651 | ||
652 | dma_q->pos = 0; | |
653 | } | |
654 | if (buf != NULL && dev->capture_type == 2) | |
655 | em28xx_copy_video(dev, dma_q, buf, p, outp, len); | |
656 | } | |
657 | return rc; | |
658 | } | |
659 | ||
660 | ||
ad0ebb96 MCC |
661 | /* ------------------------------------------------------------------ |
662 | Videobuf operations | |
663 | ------------------------------------------------------------------*/ | |
664 | ||
665 | static int | |
666 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
667 | { | |
668 | struct em28xx_fh *fh = vq->priv_data; | |
d2d9fbfd MCC |
669 | struct em28xx *dev = fh->dev; |
670 | struct v4l2_frequency f; | |
ad0ebb96 | 671 | |
e3ba4d34 DH |
672 | *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) |
673 | >> 3; | |
bddcf633 | 674 | |
ad0ebb96 MCC |
675 | if (0 == *count) |
676 | *count = EM28XX_DEF_BUF; | |
677 | ||
f245e549 MCC |
678 | if (*count < EM28XX_MIN_BUF) |
679 | *count = EM28XX_MIN_BUF; | |
ad0ebb96 | 680 | |
381aaba9 | 681 | /* Ask tuner to go to analog or radio mode */ |
6ea54d93 | 682 | memset(&f, 0, sizeof(f)); |
d2d9fbfd | 683 | f.frequency = dev->ctl_freq; |
381aaba9 | 684 | f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
d2d9fbfd | 685 | |
f2cf250a | 686 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); |
d2d9fbfd | 687 | |
ad0ebb96 MCC |
688 | return 0; |
689 | } | |
690 | ||
3b5fa928 | 691 | /* This is called *without* dev->slock held; please keep it that way */ |
ad0ebb96 MCC |
692 | static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) |
693 | { | |
3b5fa928 AT |
694 | struct em28xx_fh *fh = vq->priv_data; |
695 | struct em28xx *dev = fh->dev; | |
696 | unsigned long flags = 0; | |
ad0ebb96 MCC |
697 | if (in_interrupt()) |
698 | BUG(); | |
699 | ||
3b5fa928 AT |
700 | /* We used to wait for the buffer to finish here, but this didn't work |
701 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
702 | videobuf_queue_cancel marked it as finished for us. | |
703 | (Also, it could wedge forever if the hardware was misconfigured.) | |
704 | ||
705 | This should be safe; by the time we get here, the buffer isn't | |
706 | queued anymore. If we ever start marking the buffers as | |
707 | VIDEOBUF_ACTIVE, it won't be, though. | |
708 | */ | |
709 | spin_lock_irqsave(&dev->slock, flags); | |
28abf083 DH |
710 | if (dev->isoc_ctl.vid_buf == buf) |
711 | dev->isoc_ctl.vid_buf = NULL; | |
3b5fa928 AT |
712 | spin_unlock_irqrestore(&dev->slock, flags); |
713 | ||
ad0ebb96 MCC |
714 | videobuf_vmalloc_free(&buf->vb); |
715 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
716 | } | |
717 | ||
718 | static int | |
719 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
720 | enum v4l2_field field) | |
721 | { | |
722 | struct em28xx_fh *fh = vq->priv_data; | |
f245e549 | 723 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); |
ad0ebb96 MCC |
724 | struct em28xx *dev = fh->dev; |
725 | int rc = 0, urb_init = 0; | |
ad0ebb96 | 726 | |
e3ba4d34 DH |
727 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth |
728 | + 7) >> 3; | |
ad0ebb96 MCC |
729 | |
730 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
731 | return -EINVAL; | |
732 | ||
05612975 BP |
733 | buf->vb.width = dev->width; |
734 | buf->vb.height = dev->height; | |
735 | buf->vb.field = field; | |
ad0ebb96 MCC |
736 | |
737 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
d7aa8020 AT |
738 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
739 | if (rc < 0) | |
ad0ebb96 | 740 | goto fail; |
ad0ebb96 MCC |
741 | } |
742 | ||
ad0ebb96 | 743 | if (!dev->isoc_ctl.num_bufs) |
f245e549 | 744 | urb_init = 1; |
ad0ebb96 MCC |
745 | |
746 | if (urb_init) { | |
da52a55c DH |
747 | if (em28xx_vbi_supported(dev) == 1) |
748 | rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS, | |
749 | EM28XX_NUM_BUFS, | |
750 | dev->max_pkt_size, | |
751 | em28xx_isoc_copy_vbi); | |
752 | else | |
753 | rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS, | |
754 | EM28XX_NUM_BUFS, | |
755 | dev->max_pkt_size, | |
756 | em28xx_isoc_copy); | |
f245e549 | 757 | if (rc < 0) |
ad0ebb96 MCC |
758 | goto fail; |
759 | } | |
760 | ||
761 | buf->vb.state = VIDEOBUF_PREPARED; | |
762 | return 0; | |
763 | ||
764 | fail: | |
f245e549 | 765 | free_buffer(vq, buf); |
ad0ebb96 MCC |
766 | return rc; |
767 | } | |
768 | ||
769 | static void | |
770 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
771 | { | |
a1a6ee74 NS |
772 | struct em28xx_buffer *buf = container_of(vb, |
773 | struct em28xx_buffer, | |
774 | vb); | |
ad0ebb96 | 775 | struct em28xx_fh *fh = vq->priv_data; |
f245e549 | 776 | struct em28xx *dev = fh->dev; |
ad0ebb96 | 777 | struct em28xx_dmaqueue *vidq = &dev->vidq; |
ad0ebb96 | 778 | |
d7aa8020 AT |
779 | buf->vb.state = VIDEOBUF_QUEUED; |
780 | list_add_tail(&buf->vb.queue, &vidq->active); | |
781 | ||
ad0ebb96 MCC |
782 | } |
783 | ||
6ea54d93 DSL |
784 | static void buffer_release(struct videobuf_queue *vq, |
785 | struct videobuf_buffer *vb) | |
ad0ebb96 | 786 | { |
a1a6ee74 NS |
787 | struct em28xx_buffer *buf = container_of(vb, |
788 | struct em28xx_buffer, | |
789 | vb); | |
ad0ebb96 | 790 | struct em28xx_fh *fh = vq->priv_data; |
f245e549 | 791 | struct em28xx *dev = (struct em28xx *)fh->dev; |
ad0ebb96 | 792 | |
d7aa8020 | 793 | em28xx_isocdbg("em28xx: called buffer_release\n"); |
ad0ebb96 | 794 | |
f245e549 | 795 | free_buffer(vq, buf); |
ad0ebb96 MCC |
796 | } |
797 | ||
798 | static struct videobuf_queue_ops em28xx_video_qops = { | |
799 | .buf_setup = buffer_setup, | |
800 | .buf_prepare = buffer_prepare, | |
801 | .buf_queue = buffer_queue, | |
802 | .buf_release = buffer_release, | |
803 | }; | |
a6c2ba28 | 804 | |
6ea54d93 | 805 | /********************* v4l2 interface **************************************/ |
a6c2ba28 | 806 | |
eac94356 MCC |
807 | static void video_mux(struct em28xx *dev, int index) |
808 | { | |
eac94356 MCC |
809 | dev->ctl_input = index; |
810 | dev->ctl_ainput = INPUT(index)->amux; | |
35ae6f04 | 811 | dev->ctl_aoutput = INPUT(index)->aout; |
eac94356 | 812 | |
e879b8eb MCC |
813 | if (!dev->ctl_aoutput) |
814 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
815 | ||
5325b427 HV |
816 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
817 | INPUT(index)->vmux, 0, 0); | |
eac94356 | 818 | |
505b6d0b | 819 | if (dev->board.has_msp34xx) { |
6ea54d93 | 820 | if (dev->i2s_speed) { |
f2cf250a DSL |
821 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, |
822 | s_i2s_clock_freq, dev->i2s_speed); | |
6ea54d93 | 823 | } |
2474ed44 | 824 | /* Note: this is msp3400 specific */ |
5325b427 HV |
825 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
826 | dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); | |
eac94356 | 827 | } |
539c96d0 | 828 | |
2bd1d9eb | 829 | if (dev->board.adecoder != EM28XX_NOADECODER) { |
5325b427 HV |
830 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
831 | dev->ctl_ainput, dev->ctl_aoutput, 0); | |
2bd1d9eb VW |
832 | } |
833 | ||
00b8730f | 834 | em28xx_audio_analog_set(dev); |
eac94356 MCC |
835 | } |
836 | ||
a225452e | 837 | /* Usage lock check functions */ |
8c873d31 | 838 | static int res_get(struct em28xx_fh *fh, unsigned int bit) |
a225452e MCC |
839 | { |
840 | struct em28xx *dev = fh->dev; | |
a225452e | 841 | |
8c873d31 DH |
842 | if (fh->resources & bit) |
843 | /* have it already allocated */ | |
844 | return 1; | |
a225452e | 845 | |
8c873d31 DH |
846 | /* is it free? */ |
847 | mutex_lock(&dev->lock); | |
848 | if (dev->resources & bit) { | |
849 | /* no, someone else uses it */ | |
850 | mutex_unlock(&dev->lock); | |
851 | return 0; | |
852 | } | |
853 | /* it's free, grab it */ | |
854 | fh->resources |= bit; | |
855 | dev->resources |= bit; | |
856 | em28xx_videodbg("res: get %d\n", bit); | |
857 | mutex_unlock(&dev->lock); | |
858 | return 1; | |
859 | } | |
a225452e | 860 | |
8c873d31 DH |
861 | static int res_check(struct em28xx_fh *fh, unsigned int bit) |
862 | { | |
e3ba4d34 | 863 | return fh->resources & bit; |
a225452e MCC |
864 | } |
865 | ||
8c873d31 | 866 | static int res_locked(struct em28xx *dev, unsigned int bit) |
a225452e | 867 | { |
e3ba4d34 | 868 | return dev->resources & bit; |
a225452e MCC |
869 | } |
870 | ||
8c873d31 | 871 | static void res_free(struct em28xx_fh *fh, unsigned int bits) |
a225452e MCC |
872 | { |
873 | struct em28xx *dev = fh->dev; | |
874 | ||
8c873d31 DH |
875 | BUG_ON((fh->resources & bits) != bits); |
876 | ||
877 | mutex_lock(&dev->lock); | |
878 | fh->resources &= ~bits; | |
879 | dev->resources &= ~bits; | |
880 | em28xx_videodbg("res: put %d\n", bits); | |
881 | mutex_unlock(&dev->lock); | |
882 | } | |
883 | ||
884 | static int get_ressource(struct em28xx_fh *fh) | |
885 | { | |
886 | switch (fh->type) { | |
887 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
888 | return EM28XX_RESOURCE_VIDEO; | |
889 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
890 | return EM28XX_RESOURCE_VBI; | |
891 | default: | |
892 | BUG(); | |
893 | return 0; | |
894 | } | |
a225452e MCC |
895 | } |
896 | ||
195a4ef6 | 897 | /* |
a98f6af9 MCC |
898 | * ac97_queryctrl() |
899 | * return the ac97 supported controls | |
900 | */ | |
901 | static int ac97_queryctrl(struct v4l2_queryctrl *qc) | |
902 | { | |
903 | int i; | |
904 | ||
905 | for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { | |
906 | if (qc->id && qc->id == ac97_qctrl[i].id) { | |
907 | memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); | |
908 | return 0; | |
909 | } | |
910 | } | |
911 | ||
912 | /* Control is not ac97 related */ | |
913 | return 1; | |
914 | } | |
915 | ||
916 | /* | |
917 | * ac97_get_ctrl() | |
918 | * return the current values for ac97 mute and volume | |
195a4ef6 | 919 | */ |
a98f6af9 | 920 | static int ac97_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) |
195a4ef6 MCC |
921 | { |
922 | switch (ctrl->id) { | |
923 | case V4L2_CID_AUDIO_MUTE: | |
924 | ctrl->value = dev->mute; | |
925 | return 0; | |
926 | case V4L2_CID_AUDIO_VOLUME: | |
927 | ctrl->value = dev->volume; | |
928 | return 0; | |
929 | default: | |
a98f6af9 MCC |
930 | /* Control is not ac97 related */ |
931 | return 1; | |
a6c2ba28 | 932 | } |
195a4ef6 | 933 | } |
a6c2ba28 | 934 | |
195a4ef6 | 935 | /* |
a98f6af9 MCC |
936 | * ac97_set_ctrl() |
937 | * set values for ac97 mute and volume | |
195a4ef6 | 938 | */ |
a98f6af9 | 939 | static int ac97_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) |
195a4ef6 | 940 | { |
a98f6af9 MCC |
941 | int i; |
942 | ||
943 | for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) | |
944 | if (ctrl->id == ac97_qctrl[i].id) | |
945 | goto handle; | |
946 | ||
947 | /* Announce that hasn't handle it */ | |
948 | return 1; | |
949 | ||
950 | handle: | |
951 | if (ctrl->value < ac97_qctrl[i].minimum || | |
952 | ctrl->value > ac97_qctrl[i].maximum) | |
953 | return -ERANGE; | |
954 | ||
195a4ef6 MCC |
955 | switch (ctrl->id) { |
956 | case V4L2_CID_AUDIO_MUTE: | |
a98f6af9 MCC |
957 | dev->mute = ctrl->value; |
958 | break; | |
195a4ef6 MCC |
959 | case V4L2_CID_AUDIO_VOLUME: |
960 | dev->volume = ctrl->value; | |
a98f6af9 | 961 | break; |
195a4ef6 | 962 | } |
a98f6af9 MCC |
963 | |
964 | return em28xx_audio_analog_set(dev); | |
195a4ef6 | 965 | } |
a6c2ba28 | 966 | |
195a4ef6 MCC |
967 | static int check_dev(struct em28xx *dev) |
968 | { | |
969 | if (dev->state & DEV_DISCONNECTED) { | |
970 | em28xx_errdev("v4l2 ioctl: device not present\n"); | |
971 | return -ENODEV; | |
e5589bef | 972 | } |
a6c2ba28 | 973 | |
195a4ef6 MCC |
974 | if (dev->state & DEV_MISCONFIGURED) { |
975 | em28xx_errdev("v4l2 ioctl: device is misconfigured; " | |
976 | "close and open it again\n"); | |
977 | return -EIO; | |
978 | } | |
979 | return 0; | |
980 | } | |
a6c2ba28 | 981 | |
195a4ef6 MCC |
982 | static void get_scale(struct em28xx *dev, |
983 | unsigned int width, unsigned int height, | |
984 | unsigned int *hscale, unsigned int *vscale) | |
985 | { | |
55699964 MCC |
986 | unsigned int maxw = norm_maxw(dev); |
987 | unsigned int maxh = norm_maxh(dev); | |
195a4ef6 MCC |
988 | |
989 | *hscale = (((unsigned long)maxw) << 12) / width - 4096L; | |
990 | if (*hscale >= 0x4000) | |
991 | *hscale = 0x3fff; | |
992 | ||
993 | *vscale = (((unsigned long)maxh) << 12) / height - 4096L; | |
994 | if (*vscale >= 0x4000) | |
995 | *vscale = 0x3fff; | |
a6c2ba28 | 996 | } |
997 | ||
195a4ef6 MCC |
998 | /* ------------------------------------------------------------------ |
999 | IOCTL vidioc handling | |
1000 | ------------------------------------------------------------------*/ | |
1001 | ||
78b526a4 | 1002 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 1003 | struct v4l2_format *f) |
a6c2ba28 | 1004 | { |
195a4ef6 MCC |
1005 | struct em28xx_fh *fh = priv; |
1006 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 1007 | |
195a4ef6 | 1008 | mutex_lock(&dev->lock); |
e5589bef | 1009 | |
195a4ef6 MCC |
1010 | f->fmt.pix.width = dev->width; |
1011 | f->fmt.pix.height = dev->height; | |
bddcf633 MCC |
1012 | f->fmt.pix.pixelformat = dev->format->fourcc; |
1013 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; | |
44dc733c | 1014 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
195a4ef6 | 1015 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
e5589bef | 1016 | |
195a4ef6 | 1017 | /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ |
c2a6b54a MCC |
1018 | if (dev->progressive) |
1019 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1020 | else | |
1021 | f->fmt.pix.field = dev->interlaced ? | |
195a4ef6 | 1022 | V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; |
e5589bef | 1023 | |
195a4ef6 MCC |
1024 | mutex_unlock(&dev->lock); |
1025 | return 0; | |
a6c2ba28 | 1026 | } |
1027 | ||
bddcf633 MCC |
1028 | static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) |
1029 | { | |
1030 | unsigned int i; | |
1031 | ||
1032 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
1033 | if (format[i].fourcc == fourcc) | |
1034 | return &format[i]; | |
1035 | ||
1036 | return NULL; | |
1037 | } | |
1038 | ||
78b526a4 | 1039 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 1040 | struct v4l2_format *f) |
a6c2ba28 | 1041 | { |
195a4ef6 MCC |
1042 | struct em28xx_fh *fh = priv; |
1043 | struct em28xx *dev = fh->dev; | |
ccb83408 TP |
1044 | unsigned int width = f->fmt.pix.width; |
1045 | unsigned int height = f->fmt.pix.height; | |
195a4ef6 MCC |
1046 | unsigned int maxw = norm_maxw(dev); |
1047 | unsigned int maxh = norm_maxh(dev); | |
1048 | unsigned int hscale, vscale; | |
bddcf633 MCC |
1049 | struct em28xx_fmt *fmt; |
1050 | ||
1051 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1052 | if (!fmt) { | |
1053 | em28xx_videodbg("Fourcc format (%08x) invalid.\n", | |
1054 | f->fmt.pix.pixelformat); | |
1055 | return -EINVAL; | |
1056 | } | |
195a4ef6 | 1057 | |
55699964 | 1058 | if (dev->board.is_em2800) { |
195a4ef6 | 1059 | /* the em2800 can only scale down to 50% */ |
ccb83408 TP |
1060 | height = height > (3 * maxh / 4) ? maxh : maxh / 2; |
1061 | width = width > (3 * maxw / 4) ? maxw : maxw / 2; | |
ccb83408 TP |
1062 | } else { |
1063 | /* width must even because of the YUYV format | |
1064 | height must be even because of interlacing */ | |
e3ba4d34 DH |
1065 | v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, |
1066 | 1, 0); | |
195a4ef6 | 1067 | } |
a225452e | 1068 | |
195a4ef6 | 1069 | get_scale(dev, width, height, &hscale, &vscale); |
a6c2ba28 | 1070 | |
195a4ef6 MCC |
1071 | width = (((unsigned long)maxw) << 12) / (hscale + 4096L); |
1072 | height = (((unsigned long)maxh) << 12) / (vscale + 4096L); | |
a6c2ba28 | 1073 | |
195a4ef6 MCC |
1074 | f->fmt.pix.width = width; |
1075 | f->fmt.pix.height = height; | |
bddcf633 MCC |
1076 | f->fmt.pix.pixelformat = fmt->fourcc; |
1077 | f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; | |
1078 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; | |
195a4ef6 | 1079 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
c2a6b54a MCC |
1080 | if (dev->progressive) |
1081 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1082 | else | |
1083 | f->fmt.pix.field = dev->interlaced ? | |
1084 | V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; | |
a6c2ba28 | 1085 | |
a6c2ba28 | 1086 | return 0; |
1087 | } | |
1088 | ||
ed5f1431 MCC |
1089 | static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, |
1090 | unsigned width, unsigned height) | |
1091 | { | |
1092 | struct em28xx_fmt *fmt; | |
1093 | ||
ed5f1431 MCC |
1094 | fmt = format_by_fourcc(fourcc); |
1095 | if (!fmt) | |
1096 | return -EINVAL; | |
1097 | ||
1098 | dev->format = fmt; | |
1099 | dev->width = width; | |
1100 | dev->height = height; | |
1101 | ||
1102 | /* set new image size */ | |
1103 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); | |
1104 | ||
1105 | em28xx_set_alternate(dev); | |
1106 | em28xx_resolution_set(dev); | |
1107 | ||
1108 | return 0; | |
1109 | } | |
1110 | ||
78b526a4 | 1111 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 1112 | struct v4l2_format *f) |
a6c2ba28 | 1113 | { |
195a4ef6 MCC |
1114 | struct em28xx_fh *fh = priv; |
1115 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 1116 | int rc; |
a6c2ba28 | 1117 | |
195a4ef6 MCC |
1118 | rc = check_dev(dev); |
1119 | if (rc < 0) | |
1120 | return rc; | |
a225452e | 1121 | |
5a80415b SS |
1122 | mutex_lock(&dev->lock); |
1123 | ||
efc52a94 MCC |
1124 | vidioc_try_fmt_vid_cap(file, priv, f); |
1125 | ||
05612975 BP |
1126 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
1127 | em28xx_errdev("%s queue busy\n", __func__); | |
1128 | rc = -EBUSY; | |
1129 | goto out; | |
1130 | } | |
1131 | ||
ed5f1431 MCC |
1132 | rc = em28xx_set_video_format(dev, f->fmt.pix.pixelformat, |
1133 | f->fmt.pix.width, f->fmt.pix.height); | |
05612975 BP |
1134 | |
1135 | out: | |
195a4ef6 | 1136 | mutex_unlock(&dev->lock); |
05612975 | 1137 | return rc; |
195a4ef6 MCC |
1138 | } |
1139 | ||
19bf0038 DH |
1140 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) |
1141 | { | |
1142 | struct em28xx_fh *fh = priv; | |
1143 | struct em28xx *dev = fh->dev; | |
19bf0038 DH |
1144 | int rc; |
1145 | ||
1146 | rc = check_dev(dev); | |
1147 | if (rc < 0) | |
1148 | return rc; | |
1149 | ||
1150 | *norm = dev->norm; | |
1151 | ||
1152 | return 0; | |
1153 | } | |
1154 | ||
a1a6ee74 | 1155 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) |
195a4ef6 MCC |
1156 | { |
1157 | struct em28xx_fh *fh = priv; | |
1158 | struct em28xx *dev = fh->dev; | |
1159 | struct v4l2_format f; | |
195a4ef6 MCC |
1160 | int rc; |
1161 | ||
1162 | rc = check_dev(dev); | |
1163 | if (rc < 0) | |
1164 | return rc; | |
1165 | ||
195a4ef6 | 1166 | mutex_lock(&dev->lock); |
7d497f8a | 1167 | dev->norm = *norm; |
a6c2ba28 | 1168 | |
195a4ef6 MCC |
1169 | /* Adjusts width/height, if needed */ |
1170 | f.fmt.pix.width = dev->width; | |
1171 | f.fmt.pix.height = dev->height; | |
78b526a4 | 1172 | vidioc_try_fmt_vid_cap(file, priv, &f); |
a6c2ba28 | 1173 | |
195a4ef6 MCC |
1174 | /* set new image size */ |
1175 | dev->width = f.fmt.pix.width; | |
1176 | dev->height = f.fmt.pix.height; | |
195a4ef6 | 1177 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
a6c2ba28 | 1178 | |
195a4ef6 | 1179 | em28xx_resolution_set(dev); |
f41737ec | 1180 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
a6c2ba28 | 1181 | |
195a4ef6 MCC |
1182 | mutex_unlock(&dev->lock); |
1183 | return 0; | |
1184 | } | |
9e31ced8 | 1185 | |
d96ecda6 MCC |
1186 | static int vidioc_g_parm(struct file *file, void *priv, |
1187 | struct v4l2_streamparm *p) | |
1188 | { | |
1189 | struct em28xx_fh *fh = priv; | |
1190 | struct em28xx *dev = fh->dev; | |
1191 | int rc = 0; | |
1192 | ||
1193 | if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1194 | return -EINVAL; | |
1195 | ||
1196 | if (dev->board.is_webcam) | |
1197 | rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0, | |
1198 | video, g_parm, p); | |
1199 | else | |
1200 | v4l2_video_std_frame_period(dev->norm, | |
1201 | &p->parm.capture.timeperframe); | |
1202 | ||
1203 | return rc; | |
1204 | } | |
1205 | ||
1206 | static int vidioc_s_parm(struct file *file, void *priv, | |
1207 | struct v4l2_streamparm *p) | |
1208 | { | |
1209 | struct em28xx_fh *fh = priv; | |
1210 | struct em28xx *dev = fh->dev; | |
1211 | ||
1212 | if (!dev->board.is_webcam) | |
1213 | return -EINVAL; | |
1214 | ||
1215 | if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1216 | return -EINVAL; | |
1217 | ||
1218 | return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p); | |
1219 | } | |
1220 | ||
195a4ef6 MCC |
1221 | static const char *iname[] = { |
1222 | [EM28XX_VMUX_COMPOSITE1] = "Composite1", | |
1223 | [EM28XX_VMUX_COMPOSITE2] = "Composite2", | |
1224 | [EM28XX_VMUX_COMPOSITE3] = "Composite3", | |
1225 | [EM28XX_VMUX_COMPOSITE4] = "Composite4", | |
1226 | [EM28XX_VMUX_SVIDEO] = "S-Video", | |
1227 | [EM28XX_VMUX_TELEVISION] = "Television", | |
1228 | [EM28XX_VMUX_CABLE] = "Cable TV", | |
1229 | [EM28XX_VMUX_DVB] = "DVB", | |
1230 | [EM28XX_VMUX_DEBUG] = "for debug only", | |
1231 | }; | |
9e31ced8 | 1232 | |
195a4ef6 MCC |
1233 | static int vidioc_enum_input(struct file *file, void *priv, |
1234 | struct v4l2_input *i) | |
1235 | { | |
1236 | struct em28xx_fh *fh = priv; | |
1237 | struct em28xx *dev = fh->dev; | |
1238 | unsigned int n; | |
9e31ced8 | 1239 | |
195a4ef6 MCC |
1240 | n = i->index; |
1241 | if (n >= MAX_EM28XX_INPUT) | |
1242 | return -EINVAL; | |
1243 | if (0 == INPUT(n)->type) | |
1244 | return -EINVAL; | |
9e31ced8 | 1245 | |
195a4ef6 MCC |
1246 | i->index = n; |
1247 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
a6c2ba28 | 1248 | |
195a4ef6 | 1249 | strcpy(i->name, iname[INPUT(n)->type]); |
a6c2ba28 | 1250 | |
195a4ef6 MCC |
1251 | if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || |
1252 | (EM28XX_VMUX_CABLE == INPUT(n)->type)) | |
1253 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1254 | ||
7d497f8a | 1255 | i->std = dev->vdev->tvnorms; |
195a4ef6 MCC |
1256 | |
1257 | return 0; | |
a6c2ba28 | 1258 | } |
1259 | ||
195a4ef6 | 1260 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
a6c2ba28 | 1261 | { |
195a4ef6 MCC |
1262 | struct em28xx_fh *fh = priv; |
1263 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 1264 | |
195a4ef6 MCC |
1265 | *i = dev->ctl_input; |
1266 | ||
1267 | return 0; | |
1268 | } | |
1269 | ||
1270 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1271 | { | |
1272 | struct em28xx_fh *fh = priv; | |
1273 | struct em28xx *dev = fh->dev; | |
1274 | int rc; | |
1275 | ||
1276 | rc = check_dev(dev); | |
1277 | if (rc < 0) | |
1278 | return rc; | |
1279 | ||
1280 | if (i >= MAX_EM28XX_INPUT) | |
1281 | return -EINVAL; | |
1282 | if (0 == INPUT(i)->type) | |
1283 | return -EINVAL; | |
a225452e | 1284 | |
24c3c415 | 1285 | dev->ctl_input = i; |
195a4ef6 | 1286 | |
24c3c415 MCC |
1287 | mutex_lock(&dev->lock); |
1288 | video_mux(dev, dev->ctl_input); | |
195a4ef6 MCC |
1289 | mutex_unlock(&dev->lock); |
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1294 | { | |
1295 | struct em28xx_fh *fh = priv; | |
1296 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 1297 | |
6c428b57 MCC |
1298 | if (!dev->audio_mode.has_audio) |
1299 | return -EINVAL; | |
1300 | ||
35ae6f04 MCC |
1301 | switch (a->index) { |
1302 | case EM28XX_AMUX_VIDEO: | |
195a4ef6 | 1303 | strcpy(a->name, "Television"); |
35ae6f04 MCC |
1304 | break; |
1305 | case EM28XX_AMUX_LINE_IN: | |
195a4ef6 | 1306 | strcpy(a->name, "Line In"); |
35ae6f04 MCC |
1307 | break; |
1308 | case EM28XX_AMUX_VIDEO2: | |
1309 | strcpy(a->name, "Television alt"); | |
1310 | break; | |
1311 | case EM28XX_AMUX_PHONE: | |
1312 | strcpy(a->name, "Phone"); | |
1313 | break; | |
1314 | case EM28XX_AMUX_MIC: | |
1315 | strcpy(a->name, "Mic"); | |
1316 | break; | |
1317 | case EM28XX_AMUX_CD: | |
1318 | strcpy(a->name, "CD"); | |
1319 | break; | |
1320 | case EM28XX_AMUX_AUX: | |
1321 | strcpy(a->name, "Aux"); | |
1322 | break; | |
1323 | case EM28XX_AMUX_PCM_OUT: | |
1324 | strcpy(a->name, "PCM"); | |
1325 | break; | |
1326 | default: | |
1327 | return -EINVAL; | |
1328 | } | |
6ea54d93 | 1329 | |
35ae6f04 | 1330 | a->index = dev->ctl_ainput; |
195a4ef6 | 1331 | a->capability = V4L2_AUDCAP_STEREO; |
195a4ef6 MCC |
1332 | |
1333 | return 0; | |
1334 | } | |
1335 | ||
1336 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1337 | { | |
1338 | struct em28xx_fh *fh = priv; | |
1339 | struct em28xx *dev = fh->dev; | |
1340 | ||
24c3c415 | 1341 | |
6c428b57 MCC |
1342 | if (!dev->audio_mode.has_audio) |
1343 | return -EINVAL; | |
1344 | ||
24c3c415 MCC |
1345 | if (a->index >= MAX_EM28XX_INPUT) |
1346 | return -EINVAL; | |
1347 | if (0 == INPUT(a->index)->type) | |
1348 | return -EINVAL; | |
1349 | ||
efc52a94 MCC |
1350 | mutex_lock(&dev->lock); |
1351 | ||
35ae6f04 MCC |
1352 | dev->ctl_ainput = INPUT(a->index)->amux; |
1353 | dev->ctl_aoutput = INPUT(a->index)->aout; | |
e879b8eb MCC |
1354 | |
1355 | if (!dev->ctl_aoutput) | |
1356 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
efc52a94 MCC |
1357 | |
1358 | mutex_unlock(&dev->lock); | |
195a4ef6 MCC |
1359 | return 0; |
1360 | } | |
1361 | ||
1362 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1363 | struct v4l2_queryctrl *qc) | |
1364 | { | |
1365 | struct em28xx_fh *fh = priv; | |
1366 | struct em28xx *dev = fh->dev; | |
1367 | int id = qc->id; | |
195a4ef6 MCC |
1368 | int rc; |
1369 | ||
1370 | rc = check_dev(dev); | |
1371 | if (rc < 0) | |
1372 | return rc; | |
1373 | ||
1374 | memset(qc, 0, sizeof(*qc)); | |
1375 | ||
1376 | qc->id = id; | |
1377 | ||
a98f6af9 MCC |
1378 | /* enumberate AC97 controls */ |
1379 | if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { | |
1380 | rc = ac97_queryctrl(qc); | |
1381 | if (!rc) | |
1382 | return 0; | |
195a4ef6 | 1383 | } |
f2cf250a | 1384 | |
a98f6af9 | 1385 | /* enumberate V4L2 device controls */ |
195a4ef6 | 1386 | mutex_lock(&dev->lock); |
f2cf250a | 1387 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); |
195a4ef6 | 1388 | mutex_unlock(&dev->lock); |
a6c2ba28 | 1389 | |
195a4ef6 MCC |
1390 | if (qc->type) |
1391 | return 0; | |
1392 | else | |
1393 | return -EINVAL; | |
1394 | } | |
a6c2ba28 | 1395 | |
195a4ef6 MCC |
1396 | static int vidioc_g_ctrl(struct file *file, void *priv, |
1397 | struct v4l2_control *ctrl) | |
1398 | { | |
1399 | struct em28xx_fh *fh = priv; | |
1400 | struct em28xx *dev = fh->dev; | |
1401 | int rc; | |
a6c2ba28 | 1402 | |
195a4ef6 MCC |
1403 | rc = check_dev(dev); |
1404 | if (rc < 0) | |
1405 | return rc; | |
b6070f07 | 1406 | rc = 0; |
efc52a94 | 1407 | |
195a4ef6 | 1408 | mutex_lock(&dev->lock); |
a6c2ba28 | 1409 | |
a98f6af9 MCC |
1410 | /* Set an AC97 control */ |
1411 | if (dev->audio_mode.ac97 != EM28XX_NO_AC97) | |
1412 | rc = ac97_get_ctrl(dev, ctrl); | |
1413 | else | |
1414 | rc = 1; | |
1415 | ||
1416 | /* It were not an AC97 control. Sends it to the v4l2 dev interface */ | |
1417 | if (rc == 1) { | |
f2cf250a | 1418 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); |
a98f6af9 | 1419 | rc = 0; |
07f7db4c | 1420 | } |
195a4ef6 MCC |
1421 | |
1422 | mutex_unlock(&dev->lock); | |
1423 | return rc; | |
1424 | } | |
1425 | ||
1426 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1427 | struct v4l2_control *ctrl) | |
1428 | { | |
1429 | struct em28xx_fh *fh = priv; | |
1430 | struct em28xx *dev = fh->dev; | |
195a4ef6 MCC |
1431 | int rc; |
1432 | ||
1433 | rc = check_dev(dev); | |
1434 | if (rc < 0) | |
1435 | return rc; | |
1436 | ||
1437 | mutex_lock(&dev->lock); | |
1438 | ||
a98f6af9 MCC |
1439 | /* Set an AC97 control */ |
1440 | if (dev->audio_mode.ac97 != EM28XX_NO_AC97) | |
1441 | rc = ac97_set_ctrl(dev, ctrl); | |
1442 | else | |
195a4ef6 | 1443 | rc = 1; |
a6c2ba28 | 1444 | |
73c6f462 | 1445 | /* It isn't an AC97 control. Sends it to the v4l2 dev interface */ |
195a4ef6 | 1446 | if (rc == 1) { |
f2cf250a | 1447 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); |
73c6f462 MCC |
1448 | |
1449 | /* | |
1450 | * In the case of non-AC97 volume controls, we still need | |
1451 | * to do some setups at em28xx, in order to mute/unmute | |
1452 | * and to adjust audio volume. However, the value ranges | |
1453 | * should be checked by the corresponding V4L subdriver. | |
1454 | */ | |
1455 | switch (ctrl->id) { | |
1456 | case V4L2_CID_AUDIO_MUTE: | |
1457 | dev->mute = ctrl->value; | |
1458 | rc = em28xx_audio_analog_set(dev); | |
1459 | break; | |
1460 | case V4L2_CID_AUDIO_VOLUME: | |
1461 | dev->volume = ctrl->value; | |
1462 | rc = em28xx_audio_analog_set(dev); | |
1463 | } | |
195a4ef6 MCC |
1464 | } |
1465 | ||
5a80415b | 1466 | mutex_unlock(&dev->lock); |
195a4ef6 | 1467 | return rc; |
a6c2ba28 | 1468 | } |
1469 | ||
195a4ef6 MCC |
1470 | static int vidioc_g_tuner(struct file *file, void *priv, |
1471 | struct v4l2_tuner *t) | |
a6c2ba28 | 1472 | { |
195a4ef6 MCC |
1473 | struct em28xx_fh *fh = priv; |
1474 | struct em28xx *dev = fh->dev; | |
1475 | int rc; | |
1476 | ||
1477 | rc = check_dev(dev); | |
1478 | if (rc < 0) | |
1479 | return rc; | |
1480 | ||
1481 | if (0 != t->index) | |
1482 | return -EINVAL; | |
1483 | ||
1484 | strcpy(t->name, "Tuner"); | |
1485 | ||
1486 | mutex_lock(&dev->lock); | |
f2cf250a | 1487 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
195a4ef6 | 1488 | mutex_unlock(&dev->lock); |
f2cf250a | 1489 | |
195a4ef6 | 1490 | return 0; |
a6c2ba28 | 1491 | } |
1492 | ||
195a4ef6 MCC |
1493 | static int vidioc_s_tuner(struct file *file, void *priv, |
1494 | struct v4l2_tuner *t) | |
a6c2ba28 | 1495 | { |
195a4ef6 MCC |
1496 | struct em28xx_fh *fh = priv; |
1497 | struct em28xx *dev = fh->dev; | |
1498 | int rc; | |
63337dd3 | 1499 | |
195a4ef6 MCC |
1500 | rc = check_dev(dev); |
1501 | if (rc < 0) | |
1502 | return rc; | |
1503 | ||
1504 | if (0 != t->index) | |
1505 | return -EINVAL; | |
1506 | ||
1507 | mutex_lock(&dev->lock); | |
f2cf250a | 1508 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
195a4ef6 | 1509 | mutex_unlock(&dev->lock); |
f2cf250a | 1510 | |
195a4ef6 | 1511 | return 0; |
a6c2ba28 | 1512 | } |
1513 | ||
195a4ef6 MCC |
1514 | static int vidioc_g_frequency(struct file *file, void *priv, |
1515 | struct v4l2_frequency *f) | |
1516 | { | |
1517 | struct em28xx_fh *fh = priv; | |
1518 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 1519 | |
efc52a94 | 1520 | mutex_lock(&dev->lock); |
0be43754 | 1521 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
195a4ef6 | 1522 | f->frequency = dev->ctl_freq; |
efc52a94 | 1523 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
1524 | |
1525 | return 0; | |
1526 | } | |
1527 | ||
1528 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1529 | struct v4l2_frequency *f) | |
a6c2ba28 | 1530 | { |
195a4ef6 MCC |
1531 | struct em28xx_fh *fh = priv; |
1532 | struct em28xx *dev = fh->dev; | |
1533 | int rc; | |
9c75541f | 1534 | |
195a4ef6 MCC |
1535 | rc = check_dev(dev); |
1536 | if (rc < 0) | |
1537 | return rc; | |
1538 | ||
1539 | if (0 != f->tuner) | |
1540 | return -EINVAL; | |
1541 | ||
0be43754 MCC |
1542 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) |
1543 | return -EINVAL; | |
1544 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
195a4ef6 | 1545 | return -EINVAL; |
a225452e MCC |
1546 | |
1547 | mutex_lock(&dev->lock); | |
a3a048ce | 1548 | |
195a4ef6 | 1549 | dev->ctl_freq = f->frequency; |
f2cf250a | 1550 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
a6c2ba28 | 1551 | |
195a4ef6 | 1552 | mutex_unlock(&dev->lock); |
efc52a94 | 1553 | |
195a4ef6 MCC |
1554 | return 0; |
1555 | } | |
a6c2ba28 | 1556 | |
1e7ad56f MCC |
1557 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1558 | static int em28xx_reg_len(int reg) | |
1559 | { | |
1560 | switch (reg) { | |
41facaa4 MCC |
1561 | case EM28XX_R40_AC97LSB: |
1562 | case EM28XX_R30_HSCALELOW: | |
1563 | case EM28XX_R32_VSCALELOW: | |
1e7ad56f MCC |
1564 | return 2; |
1565 | default: | |
1566 | return 1; | |
1567 | } | |
1568 | } | |
1569 | ||
14983d81 | 1570 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
aecde8b5 | 1571 | struct v4l2_dbg_chip_ident *chip) |
14983d81 MCC |
1572 | { |
1573 | struct em28xx_fh *fh = priv; | |
1574 | struct em28xx *dev = fh->dev; | |
1575 | ||
1576 | chip->ident = V4L2_IDENT_NONE; | |
1577 | chip->revision = 0; | |
1578 | ||
f2cf250a | 1579 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
14983d81 MCC |
1580 | |
1581 | return 0; | |
1582 | } | |
1583 | ||
1584 | ||
1e7ad56f | 1585 | static int vidioc_g_register(struct file *file, void *priv, |
aecde8b5 | 1586 | struct v4l2_dbg_register *reg) |
1e7ad56f MCC |
1587 | { |
1588 | struct em28xx_fh *fh = priv; | |
1589 | struct em28xx *dev = fh->dev; | |
1590 | int ret; | |
1591 | ||
aecde8b5 | 1592 | switch (reg->match.type) { |
14983d81 | 1593 | case V4L2_CHIP_MATCH_AC97: |
531c98e7 MCC |
1594 | mutex_lock(&dev->lock); |
1595 | ret = em28xx_read_ac97(dev, reg->reg); | |
1596 | mutex_unlock(&dev->lock); | |
1597 | if (ret < 0) | |
1598 | return ret; | |
1599 | ||
1600 | reg->val = ret; | |
aecde8b5 | 1601 | reg->size = 1; |
531c98e7 | 1602 | return 0; |
14983d81 | 1603 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
f2cf250a | 1604 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
14983d81 MCC |
1605 | return 0; |
1606 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
4efa2d75 MCC |
1607 | /* TODO: is this correct? */ |
1608 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); | |
1609 | return 0; | |
14983d81 | 1610 | default: |
aecde8b5 | 1611 | if (!v4l2_chip_match_host(®->match)) |
14983d81 MCC |
1612 | return -EINVAL; |
1613 | } | |
1e7ad56f | 1614 | |
14983d81 | 1615 | /* Match host */ |
aecde8b5 HV |
1616 | reg->size = em28xx_reg_len(reg->reg); |
1617 | if (reg->size == 1) { | |
efc52a94 | 1618 | mutex_lock(&dev->lock); |
1e7ad56f | 1619 | ret = em28xx_read_reg(dev, reg->reg); |
efc52a94 MCC |
1620 | mutex_unlock(&dev->lock); |
1621 | ||
1e7ad56f MCC |
1622 | if (ret < 0) |
1623 | return ret; | |
1624 | ||
1625 | reg->val = ret; | |
1626 | } else { | |
aecde8b5 | 1627 | __le16 val = 0; |
efc52a94 | 1628 | mutex_lock(&dev->lock); |
1e7ad56f MCC |
1629 | ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, |
1630 | reg->reg, (char *)&val, 2); | |
efc52a94 | 1631 | mutex_unlock(&dev->lock); |
1e7ad56f MCC |
1632 | if (ret < 0) |
1633 | return ret; | |
1634 | ||
aecde8b5 | 1635 | reg->val = le16_to_cpu(val); |
1e7ad56f MCC |
1636 | } |
1637 | ||
1638 | return 0; | |
1639 | } | |
1640 | ||
1641 | static int vidioc_s_register(struct file *file, void *priv, | |
aecde8b5 | 1642 | struct v4l2_dbg_register *reg) |
1e7ad56f MCC |
1643 | { |
1644 | struct em28xx_fh *fh = priv; | |
1645 | struct em28xx *dev = fh->dev; | |
aecde8b5 | 1646 | __le16 buf; |
efc52a94 | 1647 | int rc; |
1e7ad56f | 1648 | |
aecde8b5 | 1649 | switch (reg->match.type) { |
14983d81 | 1650 | case V4L2_CHIP_MATCH_AC97: |
531c98e7 MCC |
1651 | mutex_lock(&dev->lock); |
1652 | rc = em28xx_write_ac97(dev, reg->reg, reg->val); | |
1653 | mutex_unlock(&dev->lock); | |
1654 | ||
1655 | return rc; | |
14983d81 | 1656 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
f2cf250a | 1657 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
14983d81 MCC |
1658 | return 0; |
1659 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
4efa2d75 MCC |
1660 | /* TODO: is this correct? */ |
1661 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); | |
1662 | return 0; | |
14983d81 | 1663 | default: |
aecde8b5 | 1664 | if (!v4l2_chip_match_host(®->match)) |
14983d81 | 1665 | return -EINVAL; |
531c98e7 MCC |
1666 | } |
1667 | ||
14983d81 | 1668 | /* Match host */ |
aecde8b5 | 1669 | buf = cpu_to_le16(reg->val); |
1e7ad56f | 1670 | |
efc52a94 MCC |
1671 | mutex_lock(&dev->lock); |
1672 | rc = em28xx_write_regs(dev, reg->reg, (char *)&buf, | |
1673 | em28xx_reg_len(reg->reg)); | |
1674 | mutex_unlock(&dev->lock); | |
1675 | ||
1676 | return rc; | |
1e7ad56f MCC |
1677 | } |
1678 | #endif | |
1679 | ||
1680 | ||
195a4ef6 MCC |
1681 | static int vidioc_cropcap(struct file *file, void *priv, |
1682 | struct v4l2_cropcap *cc) | |
1683 | { | |
1684 | struct em28xx_fh *fh = priv; | |
1685 | struct em28xx *dev = fh->dev; | |
1686 | ||
1687 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
a6c2ba28 | 1688 | return -EINVAL; |
a6c2ba28 | 1689 | |
195a4ef6 MCC |
1690 | cc->bounds.left = 0; |
1691 | cc->bounds.top = 0; | |
1692 | cc->bounds.width = dev->width; | |
1693 | cc->bounds.height = dev->height; | |
1694 | cc->defrect = cc->bounds; | |
1695 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ | |
1696 | cc->pixelaspect.denominator = 59; | |
1697 | ||
1698 | return 0; | |
1699 | } | |
1700 | ||
1701 | static int vidioc_streamon(struct file *file, void *priv, | |
1702 | enum v4l2_buf_type type) | |
1703 | { | |
1704 | struct em28xx_fh *fh = priv; | |
1705 | struct em28xx *dev = fh->dev; | |
8c873d31 | 1706 | int rc = -EINVAL; |
195a4ef6 MCC |
1707 | |
1708 | rc = check_dev(dev); | |
1709 | if (rc < 0) | |
1710 | return rc; | |
1711 | ||
8c873d31 DH |
1712 | if (unlikely(type != fh->type)) |
1713 | return -EINVAL; | |
195a4ef6 | 1714 | |
8c873d31 DH |
1715 | em28xx_videodbg("vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", |
1716 | fh, type, fh->resources, dev->resources); | |
29b59417 | 1717 | |
e3ba4d34 | 1718 | if (unlikely(!res_get(fh, get_ressource(fh)))) |
8c873d31 | 1719 | return -EBUSY; |
efc52a94 | 1720 | |
8c873d31 DH |
1721 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1722 | rc = videobuf_streamon(&fh->vb_vidq); | |
1723 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1724 | rc = videobuf_streamon(&fh->vb_vbiq); | |
efc52a94 MCC |
1725 | |
1726 | return rc; | |
195a4ef6 MCC |
1727 | } |
1728 | ||
1729 | static int vidioc_streamoff(struct file *file, void *priv, | |
1730 | enum v4l2_buf_type type) | |
1731 | { | |
1732 | struct em28xx_fh *fh = priv; | |
1733 | struct em28xx *dev = fh->dev; | |
1734 | int rc; | |
1735 | ||
1736 | rc = check_dev(dev); | |
1737 | if (rc < 0) | |
1738 | return rc; | |
1739 | ||
28abf083 DH |
1740 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
1741 | fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) | |
ad0ebb96 MCC |
1742 | return -EINVAL; |
1743 | if (type != fh->type) | |
195a4ef6 MCC |
1744 | return -EINVAL; |
1745 | ||
8c873d31 DH |
1746 | em28xx_videodbg("vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", |
1747 | fh, type, fh->resources, dev->resources); | |
efc52a94 | 1748 | |
8c873d31 | 1749 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
28abf083 | 1750 | videobuf_streamoff(&fh->vb_vidq); |
8c873d31 DH |
1751 | res_free(fh, EM28XX_RESOURCE_VIDEO); |
1752 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
28abf083 | 1753 | videobuf_streamoff(&fh->vb_vbiq); |
8c873d31 DH |
1754 | res_free(fh, EM28XX_RESOURCE_VBI); |
1755 | } | |
a6c2ba28 | 1756 | |
a6c2ba28 | 1757 | return 0; |
1758 | } | |
1759 | ||
195a4ef6 MCC |
1760 | static int vidioc_querycap(struct file *file, void *priv, |
1761 | struct v4l2_capability *cap) | |
a6c2ba28 | 1762 | { |
195a4ef6 MCC |
1763 | struct em28xx_fh *fh = priv; |
1764 | struct em28xx *dev = fh->dev; | |
1765 | ||
1766 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
1767 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
cb97716f | 1768 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
195a4ef6 MCC |
1769 | |
1770 | cap->version = EM28XX_VERSION_CODE; | |
1771 | ||
1772 | cap->capabilities = | |
1773 | V4L2_CAP_SLICED_VBI_CAPTURE | | |
1774 | V4L2_CAP_VIDEO_CAPTURE | | |
195a4ef6 MCC |
1775 | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; |
1776 | ||
0414614a DH |
1777 | if (dev->vbi_dev) |
1778 | cap->capabilities |= V4L2_CAP_VBI_CAPTURE; | |
1779 | ||
6c428b57 MCC |
1780 | if (dev->audio_mode.has_audio) |
1781 | cap->capabilities |= V4L2_CAP_AUDIO; | |
1782 | ||
ed086314 | 1783 | if (dev->tuner_type != TUNER_ABSENT) |
195a4ef6 MCC |
1784 | cap->capabilities |= V4L2_CAP_TUNER; |
1785 | ||
1786 | return 0; | |
c0477ad9 MCC |
1787 | } |
1788 | ||
78b526a4 | 1789 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
bddcf633 | 1790 | struct v4l2_fmtdesc *f) |
a6c2ba28 | 1791 | { |
bddcf633 | 1792 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
c0477ad9 | 1793 | return -EINVAL; |
195a4ef6 | 1794 | |
bddcf633 MCC |
1795 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
1796 | f->pixelformat = format[f->index].fourcc; | |
195a4ef6 MCC |
1797 | |
1798 | return 0; | |
c0477ad9 MCC |
1799 | } |
1800 | ||
195a4ef6 | 1801 | /* Sliced VBI ioctls */ |
78b526a4 | 1802 | static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 | 1803 | struct v4l2_format *f) |
a6c2ba28 | 1804 | { |
195a4ef6 MCC |
1805 | struct em28xx_fh *fh = priv; |
1806 | struct em28xx *dev = fh->dev; | |
1807 | int rc; | |
a6c2ba28 | 1808 | |
195a4ef6 MCC |
1809 | rc = check_dev(dev); |
1810 | if (rc < 0) | |
1811 | return rc; | |
a6c2ba28 | 1812 | |
195a4ef6 MCC |
1813 | mutex_lock(&dev->lock); |
1814 | ||
1815 | f->fmt.sliced.service_set = 0; | |
f2cf250a | 1816 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f); |
195a4ef6 MCC |
1817 | |
1818 | if (f->fmt.sliced.service_set == 0) | |
1819 | rc = -EINVAL; | |
1820 | ||
1821 | mutex_unlock(&dev->lock); | |
f2cf250a | 1822 | |
195a4ef6 MCC |
1823 | return rc; |
1824 | } | |
1825 | ||
78b526a4 | 1826 | static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 MCC |
1827 | struct v4l2_format *f) |
1828 | { | |
1829 | struct em28xx_fh *fh = priv; | |
1830 | struct em28xx *dev = fh->dev; | |
1831 | int rc; | |
1832 | ||
1833 | rc = check_dev(dev); | |
1834 | if (rc < 0) | |
1835 | return rc; | |
1836 | ||
1837 | mutex_lock(&dev->lock); | |
f2cf250a | 1838 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f); |
195a4ef6 MCC |
1839 | mutex_unlock(&dev->lock); |
1840 | ||
1841 | if (f->fmt.sliced.service_set == 0) | |
1842 | return -EINVAL; | |
a6c2ba28 | 1843 | |
1844 | return 0; | |
1845 | } | |
1846 | ||
28abf083 DH |
1847 | /* RAW VBI ioctls */ |
1848 | ||
1849 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1850 | struct v4l2_format *format) | |
1851 | { | |
66d9cbad DH |
1852 | struct em28xx_fh *fh = priv; |
1853 | struct em28xx *dev = fh->dev; | |
1854 | ||
1855 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
28abf083 DH |
1856 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; |
1857 | format->fmt.vbi.offset = 0; | |
1858 | format->fmt.vbi.flags = 0; | |
66d9cbad DH |
1859 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; |
1860 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1861 | format->fmt.vbi.count[1] = dev->vbi_height; | |
28abf083 DH |
1862 | |
1863 | /* Varies by video standard (NTSC, PAL, etc.) */ | |
66d9cbad DH |
1864 | if (dev->norm & V4L2_STD_525_60) { |
1865 | /* NTSC */ | |
1866 | format->fmt.vbi.start[0] = 10; | |
1867 | format->fmt.vbi.start[1] = 273; | |
1868 | } else if (dev->norm & V4L2_STD_625_50) { | |
1869 | /* PAL */ | |
1870 | format->fmt.vbi.start[0] = 6; | |
1871 | format->fmt.vbi.start[1] = 318; | |
1872 | } | |
28abf083 DH |
1873 | |
1874 | return 0; | |
1875 | } | |
1876 | ||
1877 | static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, | |
1878 | struct v4l2_format *format) | |
1879 | { | |
66d9cbad DH |
1880 | struct em28xx_fh *fh = priv; |
1881 | struct em28xx *dev = fh->dev; | |
1882 | ||
1883 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
28abf083 DH |
1884 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; |
1885 | format->fmt.vbi.offset = 0; | |
1886 | format->fmt.vbi.flags = 0; | |
66d9cbad DH |
1887 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; |
1888 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1889 | format->fmt.vbi.count[1] = dev->vbi_height; | |
28abf083 DH |
1890 | |
1891 | /* Varies by video standard (NTSC, PAL, etc.) */ | |
66d9cbad DH |
1892 | if (dev->norm & V4L2_STD_525_60) { |
1893 | /* NTSC */ | |
1894 | format->fmt.vbi.start[0] = 10; | |
1895 | format->fmt.vbi.start[1] = 273; | |
1896 | } else if (dev->norm & V4L2_STD_625_50) { | |
1897 | /* PAL */ | |
1898 | format->fmt.vbi.start[0] = 6; | |
1899 | format->fmt.vbi.start[1] = 318; | |
1900 | } | |
28abf083 DH |
1901 | |
1902 | return 0; | |
1903 | } | |
195a4ef6 MCC |
1904 | |
1905 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1906 | struct v4l2_requestbuffers *rb) | |
a6c2ba28 | 1907 | { |
195a4ef6 MCC |
1908 | struct em28xx_fh *fh = priv; |
1909 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 1910 | int rc; |
a6c2ba28 | 1911 | |
195a4ef6 MCC |
1912 | rc = check_dev(dev); |
1913 | if (rc < 0) | |
1914 | return rc; | |
a6c2ba28 | 1915 | |
28abf083 DH |
1916 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1917 | return videobuf_reqbufs(&fh->vb_vidq, rb); | |
1918 | else | |
1919 | return videobuf_reqbufs(&fh->vb_vbiq, rb); | |
a6c2ba28 | 1920 | } |
1921 | ||
195a4ef6 MCC |
1922 | static int vidioc_querybuf(struct file *file, void *priv, |
1923 | struct v4l2_buffer *b) | |
e5589bef | 1924 | { |
195a4ef6 MCC |
1925 | struct em28xx_fh *fh = priv; |
1926 | struct em28xx *dev = fh->dev; | |
1927 | int rc; | |
e5589bef | 1928 | |
195a4ef6 MCC |
1929 | rc = check_dev(dev); |
1930 | if (rc < 0) | |
1931 | return rc; | |
2d50f847 | 1932 | |
28abf083 DH |
1933 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1934 | return videobuf_querybuf(&fh->vb_vidq, b); | |
1935 | else { | |
1936 | /* FIXME: I'm not sure yet whether this is a bug in zvbi or | |
1937 | the videobuf framework, but we probably shouldn't be | |
1938 | returning a buffer larger than that which was asked for. | |
1939 | At a minimum, it causes a crash in zvbi since it does | |
1940 | a memcpy based on the source buffer length */ | |
1941 | int result = videobuf_querybuf(&fh->vb_vbiq, b); | |
66d9cbad DH |
1942 | b->length = dev->vbi_width * dev->vbi_height * 2; |
1943 | ||
28abf083 DH |
1944 | return result; |
1945 | } | |
195a4ef6 MCC |
1946 | } |
1947 | ||
1948 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1949 | { | |
1950 | struct em28xx_fh *fh = priv; | |
1951 | struct em28xx *dev = fh->dev; | |
195a4ef6 MCC |
1952 | int rc; |
1953 | ||
1954 | rc = check_dev(dev); | |
1955 | if (rc < 0) | |
1956 | return rc; | |
1957 | ||
28abf083 DH |
1958 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1959 | return videobuf_qbuf(&fh->vb_vidq, b); | |
e3ba4d34 | 1960 | else |
28abf083 | 1961 | return videobuf_qbuf(&fh->vb_vbiq, b); |
e5589bef MCC |
1962 | } |
1963 | ||
195a4ef6 | 1964 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
2d50f847 | 1965 | { |
195a4ef6 MCC |
1966 | struct em28xx_fh *fh = priv; |
1967 | struct em28xx *dev = fh->dev; | |
1968 | int rc; | |
195a4ef6 MCC |
1969 | |
1970 | rc = check_dev(dev); | |
1971 | if (rc < 0) | |
1972 | return rc; | |
2d50f847 | 1973 | |
28abf083 DH |
1974 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1975 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & | |
1976 | O_NONBLOCK); | |
1977 | else | |
1978 | return videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & | |
1979 | O_NONBLOCK); | |
ad0ebb96 | 1980 | } |
2d50f847 | 1981 | |
ad0ebb96 | 1982 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
f245e549 | 1983 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) |
ad0ebb96 | 1984 | { |
f245e549 | 1985 | struct em28xx_fh *fh = priv; |
2d50f847 | 1986 | |
28abf083 DH |
1987 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1988 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); | |
1989 | else | |
1990 | return videobuf_cgmbuf(&fh->vb_vbiq, mbuf, 8); | |
195a4ef6 | 1991 | } |
ad0ebb96 MCC |
1992 | #endif |
1993 | ||
2d50f847 | 1994 | |
0be43754 MCC |
1995 | /* ----------------------------------------------------------- */ |
1996 | /* RADIO ESPECIFIC IOCTLS */ | |
1997 | /* ----------------------------------------------------------- */ | |
1998 | ||
1999 | static int radio_querycap(struct file *file, void *priv, | |
2000 | struct v4l2_capability *cap) | |
2001 | { | |
2002 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
2003 | ||
2004 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
2005 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
cb97716f | 2006 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
0be43754 MCC |
2007 | |
2008 | cap->version = EM28XX_VERSION_CODE; | |
2009 | cap->capabilities = V4L2_CAP_TUNER; | |
2010 | return 0; | |
2011 | } | |
2012 | ||
2013 | static int radio_g_tuner(struct file *file, void *priv, | |
2014 | struct v4l2_tuner *t) | |
2015 | { | |
2016 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
2017 | ||
2018 | if (unlikely(t->index > 0)) | |
2019 | return -EINVAL; | |
2020 | ||
2021 | strcpy(t->name, "Radio"); | |
2022 | t->type = V4L2_TUNER_RADIO; | |
2023 | ||
efc52a94 | 2024 | mutex_lock(&dev->lock); |
f2cf250a | 2025 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
efc52a94 MCC |
2026 | mutex_unlock(&dev->lock); |
2027 | ||
0be43754 MCC |
2028 | return 0; |
2029 | } | |
2030 | ||
2031 | static int radio_enum_input(struct file *file, void *priv, | |
2032 | struct v4l2_input *i) | |
2033 | { | |
2034 | if (i->index != 0) | |
2035 | return -EINVAL; | |
2036 | strcpy(i->name, "Radio"); | |
2037 | i->type = V4L2_INPUT_TYPE_TUNER; | |
2038 | ||
2039 | return 0; | |
2040 | } | |
2041 | ||
2042 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
2043 | { | |
2044 | if (unlikely(a->index)) | |
2045 | return -EINVAL; | |
2046 | ||
2047 | strcpy(a->name, "Radio"); | |
2048 | return 0; | |
2049 | } | |
2050 | ||
2051 | static int radio_s_tuner(struct file *file, void *priv, | |
2052 | struct v4l2_tuner *t) | |
2053 | { | |
2054 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
2055 | ||
2056 | if (0 != t->index) | |
2057 | return -EINVAL; | |
2058 | ||
efc52a94 | 2059 | mutex_lock(&dev->lock); |
f2cf250a | 2060 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
efc52a94 | 2061 | mutex_unlock(&dev->lock); |
0be43754 MCC |
2062 | |
2063 | return 0; | |
2064 | } | |
2065 | ||
2066 | static int radio_s_audio(struct file *file, void *fh, | |
2067 | struct v4l2_audio *a) | |
2068 | { | |
2069 | return 0; | |
2070 | } | |
2071 | ||
2072 | static int radio_s_input(struct file *file, void *fh, unsigned int i) | |
2073 | { | |
2074 | return 0; | |
2075 | } | |
2076 | ||
2077 | static int radio_queryctrl(struct file *file, void *priv, | |
2078 | struct v4l2_queryctrl *qc) | |
2079 | { | |
2080 | int i; | |
2081 | ||
2082 | if (qc->id < V4L2_CID_BASE || | |
2083 | qc->id >= V4L2_CID_LASTP1) | |
2084 | return -EINVAL; | |
2085 | ||
ed10daae MCC |
2086 | for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { |
2087 | if (qc->id && qc->id == ac97_qctrl[i].id) { | |
2088 | memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); | |
0be43754 MCC |
2089 | return 0; |
2090 | } | |
2091 | } | |
2092 | ||
2093 | return -EINVAL; | |
2094 | } | |
2095 | ||
195a4ef6 MCC |
2096 | /* |
2097 | * em28xx_v4l2_open() | |
2098 | * inits the device and starts isoc transfer | |
2099 | */ | |
bec43661 | 2100 | static int em28xx_v4l2_open(struct file *filp) |
195a4ef6 | 2101 | { |
63b0d5ad LP |
2102 | int errCode = 0, radio = 0; |
2103 | struct video_device *vdev = video_devdata(filp); | |
2104 | struct em28xx *dev = video_drvdata(filp); | |
2105 | enum v4l2_buf_type fh_type = 0; | |
195a4ef6 | 2106 | struct em28xx_fh *fh; |
c2a6b54a | 2107 | enum v4l2_field field; |
2d50f847 | 2108 | |
63b0d5ad LP |
2109 | switch (vdev->vfl_type) { |
2110 | case VFL_TYPE_GRABBER: | |
2111 | fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
2112 | break; | |
2113 | case VFL_TYPE_VBI: | |
2114 | fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
2115 | break; | |
2116 | case VFL_TYPE_RADIO: | |
2117 | radio = 1; | |
2118 | break; | |
2119 | } | |
818a557e MCC |
2120 | |
2121 | mutex_lock(&dev->lock); | |
2d50f847 | 2122 | |
50462eb0 LP |
2123 | em28xx_videodbg("open dev=%s type=%s users=%d\n", |
2124 | video_device_node_name(vdev), v4l2_type_names[fh_type], | |
2125 | dev->users); | |
2d50f847 | 2126 | |
9aeb4b05 | 2127 | |
c67ec53f | 2128 | fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); |
195a4ef6 MCC |
2129 | if (!fh) { |
2130 | em28xx_errdev("em28xx-video.c: Out of memory?!\n"); | |
818a557e | 2131 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
2132 | return -ENOMEM; |
2133 | } | |
195a4ef6 | 2134 | fh->dev = dev; |
0be43754 | 2135 | fh->radio = radio; |
d7aa8020 | 2136 | fh->type = fh_type; |
195a4ef6 | 2137 | filp->private_data = fh; |
9aeb4b05 | 2138 | |
d7aa8020 | 2139 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
c67ec53f | 2140 | em28xx_set_mode(dev, EM28XX_ANALOG_MODE); |
3687e1e6 | 2141 | em28xx_set_alternate(dev); |
195a4ef6 | 2142 | em28xx_resolution_set(dev); |
2d50f847 | 2143 | |
c67ec53f MCC |
2144 | /* Needed, since GPIO might have disabled power of |
2145 | some i2c device | |
2146 | */ | |
1a23f81b | 2147 | em28xx_wake_i2c(dev); |
c67ec53f | 2148 | |
2d50f847 | 2149 | } |
0be43754 MCC |
2150 | if (fh->radio) { |
2151 | em28xx_videodbg("video_open: setting radio device\n"); | |
f2cf250a | 2152 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); |
0be43754 | 2153 | } |
2d50f847 | 2154 | |
195a4ef6 | 2155 | dev->users++; |
2d50f847 | 2156 | |
c2a6b54a MCC |
2157 | if (dev->progressive) |
2158 | field = V4L2_FIELD_NONE; | |
2159 | else | |
2160 | field = V4L2_FIELD_INTERLACED; | |
2161 | ||
8c873d31 DH |
2162 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, |
2163 | NULL, &dev->slock, | |
2164 | V4L2_BUF_TYPE_VIDEO_CAPTURE, field, | |
2165 | sizeof(struct em28xx_buffer), fh); | |
28abf083 | 2166 | |
8c873d31 DH |
2167 | videobuf_queue_vmalloc_init(&fh->vb_vbiq, &em28xx_vbi_qops, |
2168 | NULL, &dev->slock, | |
2169 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
2170 | V4L2_FIELD_SEQ_TB, | |
2171 | sizeof(struct em28xx_buffer), fh); | |
ad0ebb96 | 2172 | |
195a4ef6 | 2173 | mutex_unlock(&dev->lock); |
c67ec53f | 2174 | |
195a4ef6 | 2175 | return errCode; |
2d50f847 | 2176 | } |
e5589bef | 2177 | |
a6c2ba28 | 2178 | /* |
195a4ef6 MCC |
2179 | * em28xx_realease_resources() |
2180 | * unregisters the v4l2,i2c and usb devices | |
2181 | * called when the device gets disconected or at module unload | |
2182 | */ | |
1a23f81b | 2183 | void em28xx_release_analog_resources(struct em28xx *dev) |
a6c2ba28 | 2184 | { |
a6c2ba28 | 2185 | |
195a4ef6 | 2186 | /*FIXME: I2C IR should be disconnected */ |
a6c2ba28 | 2187 | |
0be43754 | 2188 | if (dev->radio_dev) { |
f0813b4c | 2189 | if (video_is_registered(dev->radio_dev)) |
0be43754 MCC |
2190 | video_unregister_device(dev->radio_dev); |
2191 | else | |
2192 | video_device_release(dev->radio_dev); | |
2193 | dev->radio_dev = NULL; | |
2194 | } | |
2195 | if (dev->vbi_dev) { | |
38c7c036 LP |
2196 | em28xx_info("V4L2 device %s deregistered\n", |
2197 | video_device_node_name(dev->vbi_dev)); | |
f0813b4c | 2198 | if (video_is_registered(dev->vbi_dev)) |
0be43754 MCC |
2199 | video_unregister_device(dev->vbi_dev); |
2200 | else | |
2201 | video_device_release(dev->vbi_dev); | |
2202 | dev->vbi_dev = NULL; | |
2203 | } | |
2204 | if (dev->vdev) { | |
38c7c036 LP |
2205 | em28xx_info("V4L2 device %s deregistered\n", |
2206 | video_device_node_name(dev->vdev)); | |
f0813b4c | 2207 | if (video_is_registered(dev->vdev)) |
0be43754 MCC |
2208 | video_unregister_device(dev->vdev); |
2209 | else | |
2210 | video_device_release(dev->vdev); | |
2211 | dev->vdev = NULL; | |
2212 | } | |
195a4ef6 | 2213 | } |
a6c2ba28 | 2214 | |
195a4ef6 MCC |
2215 | /* |
2216 | * em28xx_v4l2_close() | |
6ea54d93 DSL |
2217 | * stops streaming and deallocates all resources allocated by the v4l2 |
2218 | * calls and ioctls | |
195a4ef6 | 2219 | */ |
bec43661 | 2220 | static int em28xx_v4l2_close(struct file *filp) |
195a4ef6 MCC |
2221 | { |
2222 | struct em28xx_fh *fh = filp->private_data; | |
2223 | struct em28xx *dev = fh->dev; | |
2224 | int errCode; | |
a6c2ba28 | 2225 | |
195a4ef6 | 2226 | em28xx_videodbg("users=%d\n", dev->users); |
a6c2ba28 | 2227 | |
8c873d31 | 2228 | if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { |
ad0ebb96 | 2229 | videobuf_stop(&fh->vb_vidq); |
8c873d31 DH |
2230 | res_free(fh, EM28XX_RESOURCE_VIDEO); |
2231 | } | |
a6c2ba28 | 2232 | |
8c873d31 DH |
2233 | if (res_check(fh, EM28XX_RESOURCE_VBI)) { |
2234 | videobuf_stop(&fh->vb_vbiq); | |
2235 | res_free(fh, EM28XX_RESOURCE_VBI); | |
2236 | } | |
2237 | ||
e3ba4d34 | 2238 | if (dev->users == 1) { |
195a4ef6 MCC |
2239 | /* the device is already disconnect, |
2240 | free the remaining resources */ | |
2241 | if (dev->state & DEV_DISCONNECTED) { | |
2242 | em28xx_release_resources(dev); | |
195a4ef6 MCC |
2243 | kfree(dev); |
2244 | return 0; | |
2245 | } | |
a6c2ba28 | 2246 | |
eb6c9634 | 2247 | /* Save some power by putting tuner to sleep */ |
622b828a | 2248 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
eb6c9634 | 2249 | |
d7aa8020 AT |
2250 | /* do this before setting alternate! */ |
2251 | em28xx_uninit_isoc(dev); | |
2fe3e2ee | 2252 | em28xx_set_mode(dev, EM28XX_SUSPEND); |
d7aa8020 | 2253 | |
195a4ef6 MCC |
2254 | /* set alternate 0 */ |
2255 | dev->alt = 0; | |
2256 | em28xx_videodbg("setting alternate 0\n"); | |
2257 | errCode = usb_set_interface(dev->udev, 0, 0); | |
2258 | if (errCode < 0) { | |
2259 | em28xx_errdev("cannot change alternate number to " | |
2260 | "0 (error=%i)\n", errCode); | |
2261 | } | |
9aeb4b05 | 2262 | } |
28abf083 | 2263 | |
8c873d31 DH |
2264 | videobuf_mmap_free(&fh->vb_vidq); |
2265 | videobuf_mmap_free(&fh->vb_vbiq); | |
195a4ef6 MCC |
2266 | kfree(fh); |
2267 | dev->users--; | |
2268 | wake_up_interruptible_nr(&dev->open, 1); | |
195a4ef6 MCC |
2269 | return 0; |
2270 | } | |
a6c2ba28 | 2271 | |
195a4ef6 MCC |
2272 | /* |
2273 | * em28xx_v4l2_read() | |
2274 | * will allocate buffers when called for the first time | |
2275 | */ | |
2276 | static ssize_t | |
6ea54d93 | 2277 | em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, |
f245e549 | 2278 | loff_t *pos) |
195a4ef6 | 2279 | { |
195a4ef6 MCC |
2280 | struct em28xx_fh *fh = filp->private_data; |
2281 | struct em28xx *dev = fh->dev; | |
ad0ebb96 MCC |
2282 | int rc; |
2283 | ||
2284 | rc = check_dev(dev); | |
2285 | if (rc < 0) | |
2286 | return rc; | |
a6c2ba28 | 2287 | |
195a4ef6 MCC |
2288 | /* FIXME: read() is not prepared to allow changing the video |
2289 | resolution while streaming. Seems a bug at em28xx_set_fmt | |
2290 | */ | |
a6c2ba28 | 2291 | |
ad0ebb96 | 2292 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8c873d31 DH |
2293 | if (res_locked(dev, EM28XX_RESOURCE_VIDEO)) |
2294 | return -EBUSY; | |
195a4ef6 | 2295 | |
ad0ebb96 MCC |
2296 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, |
2297 | filp->f_flags & O_NONBLOCK); | |
195a4ef6 | 2298 | } |
28abf083 DH |
2299 | |
2300 | ||
2301 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
8c873d31 DH |
2302 | if (!res_get(fh, EM28XX_RESOURCE_VBI)) |
2303 | return -EBUSY; | |
28abf083 DH |
2304 | |
2305 | return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, | |
2306 | filp->f_flags & O_NONBLOCK); | |
2307 | } | |
2308 | ||
ad0ebb96 | 2309 | return 0; |
a6c2ba28 | 2310 | } |
2311 | ||
2312 | /* | |
195a4ef6 MCC |
2313 | * em28xx_v4l2_poll() |
2314 | * will allocate buffers when called for the first time | |
a6c2ba28 | 2315 | */ |
a1a6ee74 | 2316 | static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait) |
a6c2ba28 | 2317 | { |
a3a048ce | 2318 | struct em28xx_fh *fh = filp->private_data; |
195a4ef6 | 2319 | struct em28xx *dev = fh->dev; |
ad0ebb96 MCC |
2320 | int rc; |
2321 | ||
2322 | rc = check_dev(dev); | |
2323 | if (rc < 0) | |
2324 | return rc; | |
a6c2ba28 | 2325 | |
8c873d31 DH |
2326 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
2327 | if (!res_get(fh, EM28XX_RESOURCE_VIDEO)) | |
2328 | return POLLERR; | |
28abf083 | 2329 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
8c873d31 DH |
2330 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
2331 | if (!res_get(fh, EM28XX_RESOURCE_VBI)) | |
2332 | return POLLERR; | |
28abf083 | 2333 | return videobuf_poll_stream(filp, &fh->vb_vbiq, wait); |
8c873d31 | 2334 | } else { |
ad0ebb96 | 2335 | return POLLERR; |
8c873d31 | 2336 | } |
195a4ef6 | 2337 | } |
a6c2ba28 | 2338 | |
195a4ef6 MCC |
2339 | /* |
2340 | * em28xx_v4l2_mmap() | |
2341 | */ | |
2342 | static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
2343 | { | |
2344 | struct em28xx_fh *fh = filp->private_data; | |
2345 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 2346 | int rc; |
a6c2ba28 | 2347 | |
ad0ebb96 MCC |
2348 | rc = check_dev(dev); |
2349 | if (rc < 0) | |
2350 | return rc; | |
a6c2ba28 | 2351 | |
91f6dcec DH |
2352 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
2353 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
2354 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
2355 | rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); | |
a6c2ba28 | 2356 | |
ad0ebb96 MCC |
2357 | em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", |
2358 | (unsigned long)vma->vm_start, | |
2359 | (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, | |
2360 | rc); | |
a6c2ba28 | 2361 | |
ad0ebb96 | 2362 | return rc; |
a6c2ba28 | 2363 | } |
2364 | ||
bec43661 | 2365 | static const struct v4l2_file_operations em28xx_v4l_fops = { |
195a4ef6 MCC |
2366 | .owner = THIS_MODULE, |
2367 | .open = em28xx_v4l2_open, | |
2368 | .release = em28xx_v4l2_close, | |
2369 | .read = em28xx_v4l2_read, | |
2370 | .poll = em28xx_v4l2_poll, | |
2371 | .mmap = em28xx_v4l2_mmap, | |
2372 | .ioctl = video_ioctl2, | |
195a4ef6 | 2373 | }; |
17cbe2e5 | 2374 | |
a399810c | 2375 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
195a4ef6 | 2376 | .vidioc_querycap = vidioc_querycap, |
78b526a4 HV |
2377 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
2378 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
2379 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
2380 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
28abf083 DH |
2381 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
2382 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, | |
195a4ef6 MCC |
2383 | .vidioc_g_audio = vidioc_g_audio, |
2384 | .vidioc_s_audio = vidioc_s_audio, | |
2385 | .vidioc_cropcap = vidioc_cropcap, | |
2386 | ||
78b526a4 HV |
2387 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
2388 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
2389 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
195a4ef6 MCC |
2390 | |
2391 | .vidioc_reqbufs = vidioc_reqbufs, | |
2392 | .vidioc_querybuf = vidioc_querybuf, | |
2393 | .vidioc_qbuf = vidioc_qbuf, | |
2394 | .vidioc_dqbuf = vidioc_dqbuf, | |
19bf0038 | 2395 | .vidioc_g_std = vidioc_g_std, |
195a4ef6 | 2396 | .vidioc_s_std = vidioc_s_std, |
d96ecda6 MCC |
2397 | .vidioc_g_parm = vidioc_g_parm, |
2398 | .vidioc_s_parm = vidioc_s_parm, | |
195a4ef6 MCC |
2399 | .vidioc_enum_input = vidioc_enum_input, |
2400 | .vidioc_g_input = vidioc_g_input, | |
2401 | .vidioc_s_input = vidioc_s_input, | |
2402 | .vidioc_queryctrl = vidioc_queryctrl, | |
2403 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
2404 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
2405 | .vidioc_streamon = vidioc_streamon, | |
2406 | .vidioc_streamoff = vidioc_streamoff, | |
2407 | .vidioc_g_tuner = vidioc_g_tuner, | |
2408 | .vidioc_s_tuner = vidioc_s_tuner, | |
2409 | .vidioc_g_frequency = vidioc_g_frequency, | |
2410 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
2411 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
2412 | .vidioc_g_register = vidioc_g_register, | |
2413 | .vidioc_s_register = vidioc_s_register, | |
14983d81 | 2414 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
1e7ad56f | 2415 | #endif |
ad0ebb96 MCC |
2416 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
2417 | .vidiocgmbuf = vidiocgmbuf, | |
2418 | #endif | |
a399810c HV |
2419 | }; |
2420 | ||
2421 | static const struct video_device em28xx_video_template = { | |
2422 | .fops = &em28xx_v4l_fops, | |
2423 | .release = video_device_release, | |
2424 | .ioctl_ops = &video_ioctl_ops, | |
2425 | ||
195a4ef6 | 2426 | .tvnorms = V4L2_STD_ALL, |
19bf0038 | 2427 | .current_norm = V4L2_STD_PAL, |
a6c2ba28 | 2428 | }; |
2429 | ||
bec43661 | 2430 | static const struct v4l2_file_operations radio_fops = { |
a399810c HV |
2431 | .owner = THIS_MODULE, |
2432 | .open = em28xx_v4l2_open, | |
2433 | .release = em28xx_v4l2_close, | |
2434 | .ioctl = video_ioctl2, | |
a399810c HV |
2435 | }; |
2436 | ||
2437 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
0be43754 MCC |
2438 | .vidioc_querycap = radio_querycap, |
2439 | .vidioc_g_tuner = radio_g_tuner, | |
2440 | .vidioc_enum_input = radio_enum_input, | |
2441 | .vidioc_g_audio = radio_g_audio, | |
2442 | .vidioc_s_tuner = radio_s_tuner, | |
2443 | .vidioc_s_audio = radio_s_audio, | |
2444 | .vidioc_s_input = radio_s_input, | |
2445 | .vidioc_queryctrl = radio_queryctrl, | |
2446 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
2447 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
2448 | .vidioc_g_frequency = vidioc_g_frequency, | |
2449 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
2450 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
2451 | .vidioc_g_register = vidioc_g_register, | |
2452 | .vidioc_s_register = vidioc_s_register, | |
2453 | #endif | |
0be43754 MCC |
2454 | }; |
2455 | ||
a399810c HV |
2456 | static struct video_device em28xx_radio_template = { |
2457 | .name = "em28xx-radio", | |
a399810c HV |
2458 | .fops = &radio_fops, |
2459 | .ioctl_ops = &radio_ioctl_ops, | |
a399810c HV |
2460 | }; |
2461 | ||
6ea54d93 | 2462 | /******************************** usb interface ******************************/ |
a6c2ba28 | 2463 | |
6d79468d | 2464 | |
6d79468d | 2465 | |
532fe652 | 2466 | static struct video_device *em28xx_vdev_init(struct em28xx *dev, |
a1a6ee74 NS |
2467 | const struct video_device *template, |
2468 | const char *type_name) | |
0be43754 MCC |
2469 | { |
2470 | struct video_device *vfd; | |
2471 | ||
2472 | vfd = video_device_alloc(); | |
2473 | if (NULL == vfd) | |
2474 | return NULL; | |
f2cf250a DSL |
2475 | |
2476 | *vfd = *template; | |
f2cf250a DSL |
2477 | vfd->v4l2_dev = &dev->v4l2_dev; |
2478 | vfd->release = video_device_release; | |
2479 | vfd->debug = video_debug; | |
0be43754 MCC |
2480 | |
2481 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", | |
2482 | dev->name, type_name); | |
2483 | ||
63b0d5ad | 2484 | video_set_drvdata(vfd, dev); |
0be43754 MCC |
2485 | return vfd; |
2486 | } | |
2487 | ||
2e5ef2df | 2488 | int em28xx_register_analog_devices(struct em28xx *dev) |
1a23f81b | 2489 | { |
6e7b9ea0 | 2490 | u8 val; |
2e5ef2df MCC |
2491 | int ret; |
2492 | ||
1a23f81b MCC |
2493 | printk(KERN_INFO "%s: v4l2 driver version %d.%d.%d\n", |
2494 | dev->name, | |
2495 | (EM28XX_VERSION_CODE >> 16) & 0xff, | |
2496 | (EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff); | |
2497 | ||
24c3c415 MCC |
2498 | /* set default norm */ |
2499 | dev->norm = em28xx_video_template.current_norm; | |
24c3c415 | 2500 | dev->interlaced = EM28XX_INTERLACED_DEFAULT; |
24c3c415 MCC |
2501 | dev->ctl_input = 0; |
2502 | ||
1a23f81b MCC |
2503 | /* Analog specific initialization */ |
2504 | dev->format = &format[0]; | |
ed5f1431 MCC |
2505 | em28xx_set_video_format(dev, format[0].fourcc, |
2506 | norm_maxw(dev), norm_maxh(dev)); | |
2507 | ||
24c3c415 MCC |
2508 | video_mux(dev, dev->ctl_input); |
2509 | ||
2510 | /* Audio defaults */ | |
2511 | dev->mute = 1; | |
2512 | dev->volume = 0x1f; | |
1a23f81b | 2513 | |
1a23f81b | 2514 | /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ |
a1a6ee74 NS |
2515 | val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); |
2516 | em28xx_write_reg(dev, EM28XX_R0F_XCLK, | |
2517 | (EM28XX_XCLK_AUDIO_UNMUTE | val)); | |
1a23f81b | 2518 | |
1a23f81b MCC |
2519 | em28xx_set_outfmt(dev); |
2520 | em28xx_colorlevels_set_default(dev); | |
2521 | em28xx_compression_disable(dev); | |
2522 | ||
818a557e MCC |
2523 | /* allocate and fill video video_device struct */ |
2524 | dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); | |
2525 | if (!dev->vdev) { | |
2526 | em28xx_errdev("cannot allocate video_device.\n"); | |
2527 | return -ENODEV; | |
2528 | } | |
2529 | ||
2530 | /* register v4l2 video video_device */ | |
2531 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, | |
2532 | video_nr[dev->devno]); | |
2533 | if (ret) { | |
2534 | em28xx_errdev("unable to register video device (error=%i).\n", | |
2535 | ret); | |
2536 | return ret; | |
2537 | } | |
2538 | ||
2539 | /* Allocate and fill vbi video_device struct */ | |
290c0cfa DH |
2540 | if (em28xx_vbi_supported(dev) == 1) { |
2541 | dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, | |
2542 | "vbi"); | |
818a557e | 2543 | |
290c0cfa DH |
2544 | /* register v4l2 vbi video_device */ |
2545 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, | |
2546 | vbi_nr[dev->devno]); | |
2547 | if (ret < 0) { | |
2548 | em28xx_errdev("unable to register vbi device\n"); | |
2549 | return ret; | |
2550 | } | |
818a557e MCC |
2551 | } |
2552 | ||
2553 | if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { | |
a1a6ee74 NS |
2554 | dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, |
2555 | "radio"); | |
818a557e MCC |
2556 | if (!dev->radio_dev) { |
2557 | em28xx_errdev("cannot allocate video_device.\n"); | |
2558 | return -ENODEV; | |
2559 | } | |
2560 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, | |
2561 | radio_nr[dev->devno]); | |
2562 | if (ret < 0) { | |
2563 | em28xx_errdev("can't register radio device\n"); | |
2564 | return ret; | |
2565 | } | |
38c7c036 LP |
2566 | em28xx_info("Registered radio device as %s\n", |
2567 | video_device_node_name(dev->radio_dev)); | |
818a557e MCC |
2568 | } |
2569 | ||
38c7c036 LP |
2570 | em28xx_info("V4L2 video device registered as %s\n", |
2571 | video_device_node_name(dev->vdev)); | |
290c0cfa DH |
2572 | |
2573 | if (dev->vbi_dev) | |
38c7c036 LP |
2574 | em28xx_info("V4L2 VBI device registered as %s\n", |
2575 | video_device_node_name(dev->vbi_dev)); | |
818a557e MCC |
2576 | |
2577 | return 0; | |
2578 | } |