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Commit | Line | Data |
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8b2f0795 DH |
1 | /* |
2 | * Auvitek AU0828 USB Bridge (Analog video support) | |
3 | * | |
4 | * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> | |
5 | * Copyright (C) 2005-2008 Auvitek International, Ltd. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * As published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | */ | |
22 | ||
23 | /* Developer Notes: | |
24 | * | |
8b2f0795 DH |
25 | * The hardware scaler supported is unimplemented |
26 | * AC97 audio support is unimplemented (only i2s audio mode) | |
27 | * | |
28 | */ | |
29 | ||
83afb32a MCC |
30 | #include "au0828.h" |
31 | ||
8b2f0795 | 32 | #include <linux/module.h> |
5a0e3ad6 | 33 | #include <linux/slab.h> |
8b2f0795 DH |
34 | #include <linux/init.h> |
35 | #include <linux/device.h> | |
8b2f0795 DH |
36 | #include <media/v4l2-common.h> |
37 | #include <media/v4l2-ioctl.h> | |
83b09422 | 38 | #include <media/v4l2-event.h> |
8b2f0795 | 39 | #include <media/tuner.h> |
8b2f0795 DH |
40 | #include "au0828-reg.h" |
41 | ||
8b2f0795 DH |
42 | static DEFINE_MUTEX(au0828_sysfs_lock); |
43 | ||
8b2f0795 DH |
44 | /* ------------------------------------------------------------------ |
45 | Videobuf operations | |
46 | ------------------------------------------------------------------*/ | |
47 | ||
48 | static unsigned int isoc_debug; | |
49 | module_param(isoc_debug, int, 0644); | |
50 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
51 | ||
52 | #define au0828_isocdbg(fmt, arg...) \ | |
53 | do {\ | |
54 | if (isoc_debug) { \ | |
83afb32a | 55 | pr_info("au0828 %s :"fmt, \ |
8b2f0795 DH |
56 | __func__ , ##arg); \ |
57 | } \ | |
58 | } while (0) | |
59 | ||
fa09cb9a HV |
60 | static inline void i2c_gate_ctrl(struct au0828_dev *dev, int val) |
61 | { | |
62 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) | |
63 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, val); | |
64 | } | |
65 | ||
8b2f0795 DH |
66 | static inline void print_err_status(struct au0828_dev *dev, |
67 | int packet, int status) | |
68 | { | |
69 | char *errmsg = "Unknown"; | |
70 | ||
71 | switch (status) { | |
72 | case -ENOENT: | |
73 | errmsg = "unlinked synchronuously"; | |
74 | break; | |
75 | case -ECONNRESET: | |
76 | errmsg = "unlinked asynchronuously"; | |
77 | break; | |
78 | case -ENOSR: | |
79 | errmsg = "Buffer error (overrun)"; | |
80 | break; | |
81 | case -EPIPE: | |
82 | errmsg = "Stalled (device not responding)"; | |
83 | break; | |
84 | case -EOVERFLOW: | |
85 | errmsg = "Babble (bad cable?)"; | |
86 | break; | |
87 | case -EPROTO: | |
88 | errmsg = "Bit-stuff error (bad cable?)"; | |
89 | break; | |
90 | case -EILSEQ: | |
91 | errmsg = "CRC/Timeout (could be anything)"; | |
92 | break; | |
93 | case -ETIME: | |
94 | errmsg = "Device does not respond"; | |
95 | break; | |
96 | } | |
97 | if (packet < 0) { | |
98 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
99 | } else { | |
100 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
101 | packet, status, errmsg); | |
102 | } | |
103 | } | |
104 | ||
105 | static int check_dev(struct au0828_dev *dev) | |
106 | { | |
107 | if (dev->dev_state & DEV_DISCONNECTED) { | |
83afb32a | 108 | pr_info("v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
109 | return -ENODEV; |
110 | } | |
111 | ||
112 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
83afb32a | 113 | pr_info("v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
114 | "close and open it again\n"); |
115 | return -EIO; | |
116 | } | |
117 | return 0; | |
118 | } | |
119 | ||
120 | /* | |
121 | * IRQ callback, called by URB callback | |
122 | */ | |
123 | static void au0828_irq_callback(struct urb *urb) | |
124 | { | |
125 | struct au0828_dmaqueue *dma_q = urb->context; | |
126 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
78ca5005 | 127 | unsigned long flags = 0; |
e92ba283 | 128 | int i; |
8b2f0795 DH |
129 | |
130 | switch (urb->status) { | |
131 | case 0: /* success */ | |
132 | case -ETIMEDOUT: /* NAK */ | |
133 | break; | |
134 | case -ECONNRESET: /* kill */ | |
135 | case -ENOENT: | |
136 | case -ESHUTDOWN: | |
137 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
138 | return; | |
139 | default: /* unknown error */ | |
140 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
141 | break; | |
142 | } | |
143 | ||
144 | /* Copy data from URB */ | |
78ca5005 | 145 | spin_lock_irqsave(&dev->slock, flags); |
e92ba283 | 146 | dev->isoc_ctl.isoc_copy(dev, urb); |
78ca5005 | 147 | spin_unlock_irqrestore(&dev->slock, flags); |
8b2f0795 DH |
148 | |
149 | /* Reset urb buffers */ | |
150 | for (i = 0; i < urb->number_of_packets; i++) { | |
151 | urb->iso_frame_desc[i].status = 0; | |
152 | urb->iso_frame_desc[i].actual_length = 0; | |
153 | } | |
154 | urb->status = 0; | |
155 | ||
156 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
157 | if (urb->status) { | |
158 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
159 | urb->status); | |
160 | } | |
e2147d0a | 161 | dev->stream_state = STREAM_ON; |
8b2f0795 DH |
162 | } |
163 | ||
164 | /* | |
165 | * Stop and Deallocate URBs | |
166 | */ | |
a094ca46 | 167 | static void au0828_uninit_isoc(struct au0828_dev *dev) |
8b2f0795 DH |
168 | { |
169 | struct urb *urb; | |
170 | int i; | |
171 | ||
172 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
173 | ||
174 | dev->isoc_ctl.nfields = -1; | |
175 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
176 | urb = dev->isoc_ctl.urb[i]; | |
177 | if (urb) { | |
178 | if (!irqs_disabled()) | |
179 | usb_kill_urb(urb); | |
180 | else | |
181 | usb_unlink_urb(urb); | |
182 | ||
183 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
997ea58e | 184 | usb_free_coherent(dev->usbdev, |
8b2f0795 DH |
185 | urb->transfer_buffer_length, |
186 | dev->isoc_ctl.transfer_buffer[i], | |
187 | urb->transfer_dma); | |
188 | } | |
189 | usb_free_urb(urb); | |
190 | dev->isoc_ctl.urb[i] = NULL; | |
191 | } | |
192 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
193 | } | |
194 | ||
195 | kfree(dev->isoc_ctl.urb); | |
196 | kfree(dev->isoc_ctl.transfer_buffer); | |
197 | ||
198 | dev->isoc_ctl.urb = NULL; | |
199 | dev->isoc_ctl.transfer_buffer = NULL; | |
200 | dev->isoc_ctl.num_bufs = 0; | |
e2147d0a MCC |
201 | |
202 | dev->stream_state = STREAM_OFF; | |
8b2f0795 DH |
203 | } |
204 | ||
205 | /* | |
206 | * Allocate URBs and start IRQ | |
207 | */ | |
a094ca46 MCC |
208 | static int au0828_init_isoc(struct au0828_dev *dev, int max_packets, |
209 | int num_bufs, int max_pkt_size, | |
210 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
8b2f0795 DH |
211 | { |
212 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
213 | int i; | |
214 | int sb_size, pipe; | |
215 | struct urb *urb; | |
216 | int j, k; | |
217 | int rc; | |
218 | ||
219 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
220 | ||
8b2f0795 DH |
221 | dev->isoc_ctl.isoc_copy = isoc_copy; |
222 | dev->isoc_ctl.num_bufs = num_bufs; | |
223 | ||
224 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
225 | if (!dev->isoc_ctl.urb) { | |
226 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
227 | return -ENOMEM; | |
228 | } | |
229 | ||
230 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
231 | GFP_KERNEL); | |
232 | if (!dev->isoc_ctl.transfer_buffer) { | |
233 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
234 | kfree(dev->isoc_ctl.urb); | |
235 | return -ENOMEM; | |
236 | } | |
237 | ||
238 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
239 | dev->isoc_ctl.buf = NULL; | |
240 | ||
241 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
242 | ||
243 | /* allocate urbs and transfer buffers */ | |
244 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
245 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
246 | if (!urb) { | |
247 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
248 | au0828_uninit_isoc(dev); | |
249 | return -ENOMEM; | |
250 | } | |
251 | dev->isoc_ctl.urb[i] = urb; | |
252 | ||
997ea58e | 253 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev, |
8b2f0795 DH |
254 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
255 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
256 | printk("unable to allocate %i bytes for transfer" | |
257 | " buffer %i%s\n", | |
258 | sb_size, i, | |
259 | in_interrupt() ? " while in int" : ""); | |
260 | au0828_uninit_isoc(dev); | |
261 | return -ENOMEM; | |
262 | } | |
263 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
264 | ||
265 | pipe = usb_rcvisocpipe(dev->usbdev, | |
266 | dev->isoc_in_endpointaddr), | |
267 | ||
268 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
269 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
270 | au0828_irq_callback, dma_q, 1); | |
271 | ||
272 | urb->number_of_packets = max_packets; | |
fadadb7d | 273 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
8b2f0795 DH |
274 | |
275 | k = 0; | |
276 | for (j = 0; j < max_packets; j++) { | |
277 | urb->iso_frame_desc[j].offset = k; | |
278 | urb->iso_frame_desc[j].length = | |
279 | dev->isoc_ctl.max_pkt_size; | |
280 | k += dev->isoc_ctl.max_pkt_size; | |
281 | } | |
282 | } | |
283 | ||
8b2f0795 DH |
284 | /* submit urbs and enables IRQ */ |
285 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
286 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
287 | if (rc) { | |
288 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
289 | i, rc); | |
290 | au0828_uninit_isoc(dev); | |
291 | return rc; | |
292 | } | |
293 | } | |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
298 | /* | |
299 | * Announces that a buffer were filled and request the next | |
300 | */ | |
301 | static inline void buffer_filled(struct au0828_dev *dev, | |
c5036d61 LP |
302 | struct au0828_dmaqueue *dma_q, |
303 | struct au0828_buffer *buf) | |
8b2f0795 | 304 | { |
8a55ddd9 HV |
305 | struct vb2_buffer *vb = &buf->vb; |
306 | struct vb2_queue *q = vb->vb2_queue; | |
8b2f0795 | 307 | |
7f8eacd2 | 308 | /* Advice that buffer was filled */ |
05439b1a | 309 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); |
7f8eacd2 | 310 | |
c5036d61 | 311 | if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8a55ddd9 | 312 | vb->v4l2_buf.sequence = dev->frame_count++; |
c5036d61 | 313 | else |
8a55ddd9 | 314 | vb->v4l2_buf.sequence = dev->vbi_frame_count++; |
c5036d61 | 315 | |
8a55ddd9 HV |
316 | vb->v4l2_buf.field = V4L2_FIELD_INTERLACED; |
317 | v4l2_get_timestamp(&vb->v4l2_buf.timestamp); | |
318 | vb2_buffer_done(vb, VB2_BUF_STATE_DONE); | |
7f8eacd2 DH |
319 | } |
320 | ||
8b2f0795 DH |
321 | /* |
322 | * Identify the buffer header type and properly handles | |
323 | */ | |
324 | static void au0828_copy_video(struct au0828_dev *dev, | |
325 | struct au0828_dmaqueue *dma_q, | |
326 | struct au0828_buffer *buf, | |
327 | unsigned char *p, | |
328 | unsigned char *outp, unsigned long len) | |
329 | { | |
330 | void *fieldstart, *startwrite, *startread; | |
331 | int linesdone, currlinedone, offset, lencopy, remain; | |
332 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
333 | ||
7f8eacd2 DH |
334 | if (len == 0) |
335 | return; | |
336 | ||
05439b1a SK |
337 | if (dma_q->pos + len > buf->length) |
338 | len = buf->length - dma_q->pos; | |
8b2f0795 DH |
339 | |
340 | startread = p; | |
341 | remain = len; | |
342 | ||
343 | /* Interlaces frame */ | |
344 | if (buf->top_field) | |
345 | fieldstart = outp; | |
346 | else | |
347 | fieldstart = outp + bytesperline; | |
348 | ||
349 | linesdone = dma_q->pos / bytesperline; | |
350 | currlinedone = dma_q->pos % bytesperline; | |
351 | offset = linesdone * bytesperline * 2 + currlinedone; | |
352 | startwrite = fieldstart + offset; | |
353 | lencopy = bytesperline - currlinedone; | |
354 | lencopy = lencopy > remain ? remain : lencopy; | |
355 | ||
05439b1a | 356 | if ((char *)startwrite + lencopy > (char *)outp + buf->length) { |
8b2f0795 DH |
357 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", |
358 | ((char *)startwrite + lencopy) - | |
05439b1a SK |
359 | ((char *)outp + buf->length)); |
360 | remain = (char *)outp + buf->length - (char *)startwrite; | |
8b2f0795 DH |
361 | lencopy = remain; |
362 | } | |
363 | if (lencopy <= 0) | |
364 | return; | |
365 | memcpy(startwrite, startread, lencopy); | |
366 | ||
367 | remain -= lencopy; | |
368 | ||
369 | while (remain > 0) { | |
370 | startwrite += lencopy + bytesperline; | |
371 | startread += lencopy; | |
372 | if (bytesperline > remain) | |
373 | lencopy = remain; | |
374 | else | |
375 | lencopy = bytesperline; | |
376 | ||
377 | if ((char *)startwrite + lencopy > (char *)outp + | |
05439b1a | 378 | buf->length) { |
62899a28 | 379 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 | 380 | ((char *)startwrite + lencopy) - |
05439b1a SK |
381 | ((char *)outp + buf->length)); |
382 | lencopy = remain = (char *)outp + buf->length - | |
8b2f0795 DH |
383 | (char *)startwrite; |
384 | } | |
385 | if (lencopy <= 0) | |
386 | break; | |
387 | ||
388 | memcpy(startwrite, startread, lencopy); | |
389 | ||
390 | remain -= lencopy; | |
391 | } | |
392 | ||
393 | if (offset > 1440) { | |
394 | /* We have enough data to check for greenscreen */ | |
62899a28 | 395 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 396 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
397 | } |
398 | ||
399 | dma_q->pos += len; | |
400 | } | |
401 | ||
402 | /* | |
403 | * video-buf generic routine to get the next available buffer | |
404 | */ | |
405 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
406 | struct au0828_buffer **buf) | |
407 | { | |
408 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
409 | ||
410 | if (list_empty(&dma_q->active)) { | |
411 | au0828_isocdbg("No active queue to serve\n"); | |
412 | dev->isoc_ctl.buf = NULL; | |
413 | *buf = NULL; | |
414 | return; | |
415 | } | |
416 | ||
417 | /* Get the next buffer */ | |
05439b1a SK |
418 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, list); |
419 | /* Cleans up buffer - Useful for testing for frame/URB loss */ | |
420 | list_del(&(*buf)->list); | |
421 | dma_q->pos = 0; | |
422 | (*buf)->vb_buf = (*buf)->mem; | |
8b2f0795 DH |
423 | dev->isoc_ctl.buf = *buf; |
424 | ||
425 | return; | |
426 | } | |
427 | ||
7f8eacd2 DH |
428 | static void au0828_copy_vbi(struct au0828_dev *dev, |
429 | struct au0828_dmaqueue *dma_q, | |
430 | struct au0828_buffer *buf, | |
431 | unsigned char *p, | |
432 | unsigned char *outp, unsigned long len) | |
433 | { | |
434 | unsigned char *startwrite, *startread; | |
b5f5933a | 435 | int bytesperline; |
7f8eacd2 DH |
436 | int i, j = 0; |
437 | ||
438 | if (dev == NULL) { | |
439 | au0828_isocdbg("dev is null\n"); | |
440 | return; | |
441 | } | |
442 | ||
443 | if (dma_q == NULL) { | |
444 | au0828_isocdbg("dma_q is null\n"); | |
445 | return; | |
446 | } | |
447 | if (buf == NULL) | |
448 | return; | |
449 | if (p == NULL) { | |
450 | au0828_isocdbg("p is null\n"); | |
451 | return; | |
452 | } | |
453 | if (outp == NULL) { | |
454 | au0828_isocdbg("outp is null\n"); | |
455 | return; | |
456 | } | |
457 | ||
b5f5933a DC |
458 | bytesperline = dev->vbi_width; |
459 | ||
05439b1a SK |
460 | if (dma_q->pos + len > buf->length) |
461 | len = buf->length - dma_q->pos; | |
7f8eacd2 DH |
462 | |
463 | startread = p; | |
464 | startwrite = outp + (dma_q->pos / 2); | |
465 | ||
466 | /* Make sure the bottom field populates the second half of the frame */ | |
467 | if (buf->top_field == 0) | |
468 | startwrite += bytesperline * dev->vbi_height; | |
469 | ||
470 | for (i = 0; i < len; i += 2) | |
471 | startwrite[j++] = startread[i+1]; | |
472 | ||
473 | dma_q->pos += len; | |
474 | } | |
475 | ||
476 | ||
477 | /* | |
478 | * video-buf generic routine to get the next available VBI buffer | |
479 | */ | |
480 | static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q, | |
481 | struct au0828_buffer **buf) | |
482 | { | |
483 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq); | |
7f8eacd2 DH |
484 | |
485 | if (list_empty(&dma_q->active)) { | |
486 | au0828_isocdbg("No active queue to serve\n"); | |
487 | dev->isoc_ctl.vbi_buf = NULL; | |
488 | *buf = NULL; | |
489 | return; | |
490 | } | |
491 | ||
492 | /* Get the next buffer */ | |
05439b1a | 493 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, list); |
25985edc | 494 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
05439b1a SK |
495 | list_del(&(*buf)->list); |
496 | dma_q->pos = 0; | |
497 | (*buf)->vb_buf = (*buf)->mem; | |
7f8eacd2 | 498 | dev->isoc_ctl.vbi_buf = *buf; |
7f8eacd2 DH |
499 | return; |
500 | } | |
501 | ||
8b2f0795 DH |
502 | /* |
503 | * Controls the isoc copy of each urb packet | |
504 | */ | |
505 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
506 | { | |
507 | struct au0828_buffer *buf; | |
7f8eacd2 | 508 | struct au0828_buffer *vbi_buf; |
8b2f0795 | 509 | struct au0828_dmaqueue *dma_q = urb->context; |
7f8eacd2 | 510 | struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq; |
8b2f0795 | 511 | unsigned char *outp = NULL; |
7f8eacd2 | 512 | unsigned char *vbioutp = NULL; |
8b2f0795 DH |
513 | int i, len = 0, rc = 1; |
514 | unsigned char *p; | |
515 | unsigned char fbyte; | |
7f8eacd2 DH |
516 | unsigned int vbi_field_size; |
517 | unsigned int remain, lencopy; | |
8b2f0795 DH |
518 | |
519 | if (!dev) | |
520 | return 0; | |
521 | ||
522 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
523 | (dev->dev_state & DEV_MISCONFIGURED)) | |
524 | return 0; | |
525 | ||
526 | if (urb->status < 0) { | |
527 | print_err_status(dev, -1, urb->status); | |
528 | if (urb->status == -ENOENT) | |
529 | return 0; | |
530 | } | |
531 | ||
532 | buf = dev->isoc_ctl.buf; | |
533 | if (buf != NULL) | |
05439b1a | 534 | outp = vb2_plane_vaddr(&buf->vb, 0); |
8b2f0795 | 535 | |
7f8eacd2 DH |
536 | vbi_buf = dev->isoc_ctl.vbi_buf; |
537 | if (vbi_buf != NULL) | |
05439b1a | 538 | vbioutp = vb2_plane_vaddr(&vbi_buf->vb, 0); |
7f8eacd2 | 539 | |
8b2f0795 DH |
540 | for (i = 0; i < urb->number_of_packets; i++) { |
541 | int status = urb->iso_frame_desc[i].status; | |
542 | ||
543 | if (status < 0) { | |
544 | print_err_status(dev, i, status); | |
545 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
546 | continue; | |
547 | } | |
548 | ||
62899a28 | 549 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 550 | continue; |
62899a28 | 551 | |
8b2f0795 DH |
552 | if (urb->iso_frame_desc[i].actual_length > |
553 | dev->max_pkt_size) { | |
554 | au0828_isocdbg("packet bigger than packet size"); | |
555 | continue; | |
556 | } | |
557 | ||
558 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
559 | fbyte = p[0]; | |
560 | len = urb->iso_frame_desc[i].actual_length - 4; | |
561 | p += 4; | |
562 | ||
563 | if (fbyte & 0x80) { | |
564 | len -= 4; | |
565 | p += 4; | |
566 | au0828_isocdbg("Video frame %s\n", | |
567 | (fbyte & 0x40) ? "odd" : "even"); | |
bde3bb9a | 568 | if (fbyte & 0x40) { |
7f8eacd2 DH |
569 | /* VBI */ |
570 | if (vbi_buf != NULL) | |
c5036d61 | 571 | buffer_filled(dev, vbi_dma_q, vbi_buf); |
7f8eacd2 DH |
572 | vbi_get_next_buf(vbi_dma_q, &vbi_buf); |
573 | if (vbi_buf == NULL) | |
574 | vbioutp = NULL; | |
575 | else | |
05439b1a SK |
576 | vbioutp = vb2_plane_vaddr( |
577 | &vbi_buf->vb, 0); | |
7f8eacd2 DH |
578 | |
579 | /* Video */ | |
8b2f0795 DH |
580 | if (buf != NULL) |
581 | buffer_filled(dev, dma_q, buf); | |
582 | get_next_buf(dma_q, &buf); | |
62899a28 | 583 | if (buf == NULL) |
8b2f0795 | 584 | outp = NULL; |
62899a28 | 585 | else |
05439b1a | 586 | outp = vb2_plane_vaddr(&buf->vb, 0); |
78ca5005 DH |
587 | |
588 | /* As long as isoc traffic is arriving, keep | |
589 | resetting the timer */ | |
590 | if (dev->vid_timeout_running) | |
591 | mod_timer(&dev->vid_timeout, | |
592 | jiffies + (HZ / 10)); | |
593 | if (dev->vbi_timeout_running) | |
594 | mod_timer(&dev->vbi_timeout, | |
595 | jiffies + (HZ / 10)); | |
8b2f0795 DH |
596 | } |
597 | ||
598 | if (buf != NULL) { | |
62899a28 | 599 | if (fbyte & 0x40) |
8b2f0795 | 600 | buf->top_field = 1; |
62899a28 | 601 | else |
8b2f0795 | 602 | buf->top_field = 0; |
8b2f0795 DH |
603 | } |
604 | ||
7f8eacd2 DH |
605 | if (vbi_buf != NULL) { |
606 | if (fbyte & 0x40) | |
607 | vbi_buf->top_field = 1; | |
608 | else | |
609 | vbi_buf->top_field = 0; | |
610 | } | |
611 | ||
612 | dev->vbi_read = 0; | |
613 | vbi_dma_q->pos = 0; | |
8b2f0795 DH |
614 | dma_q->pos = 0; |
615 | } | |
7f8eacd2 DH |
616 | |
617 | vbi_field_size = dev->vbi_width * dev->vbi_height * 2; | |
618 | if (dev->vbi_read < vbi_field_size) { | |
619 | remain = vbi_field_size - dev->vbi_read; | |
620 | if (len < remain) | |
621 | lencopy = len; | |
622 | else | |
623 | lencopy = remain; | |
624 | ||
625 | if (vbi_buf != NULL) | |
626 | au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p, | |
627 | vbioutp, len); | |
628 | ||
629 | len -= lencopy; | |
630 | p += lencopy; | |
631 | dev->vbi_read += lencopy; | |
632 | } | |
633 | ||
634 | if (dev->vbi_read >= vbi_field_size && buf != NULL) | |
8b2f0795 | 635 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
636 | } |
637 | return rc; | |
638 | } | |
639 | ||
05439b1a SK |
640 | static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, |
641 | unsigned int *nbuffers, unsigned int *nplanes, | |
642 | unsigned int sizes[], void *alloc_ctxs[]) | |
8b2f0795 | 643 | { |
05439b1a SK |
644 | struct au0828_dev *dev = vb2_get_drv_priv(vq); |
645 | unsigned long img_size = dev->height * dev->bytesperline; | |
646 | unsigned long size; | |
8b2f0795 | 647 | |
05439b1a SK |
648 | size = fmt ? fmt->fmt.pix.sizeimage : img_size; |
649 | if (size < img_size) | |
650 | return -EINVAL; | |
8b2f0795 | 651 | |
05439b1a SK |
652 | *nplanes = 1; |
653 | sizes[0] = size; | |
8b2f0795 | 654 | |
05439b1a | 655 | return 0; |
8b2f0795 DH |
656 | } |
657 | ||
658 | static int | |
05439b1a | 659 | buffer_prepare(struct vb2_buffer *vb) |
8b2f0795 | 660 | { |
8b2f0795 | 661 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); |
05439b1a | 662 | struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue); |
8b2f0795 | 663 | |
05439b1a | 664 | buf->length = dev->height * dev->bytesperline; |
8b2f0795 | 665 | |
05439b1a SK |
666 | if (vb2_plane_size(vb, 0) < buf->length) { |
667 | pr_err("%s data will not fit into plane (%lu < %lu)\n", | |
668 | __func__, vb2_plane_size(vb, 0), buf->length); | |
8b2f0795 | 669 | return -EINVAL; |
8b2f0795 | 670 | } |
05439b1a | 671 | vb2_set_plane_payload(&buf->vb, 0, buf->length); |
8b2f0795 | 672 | return 0; |
8b2f0795 DH |
673 | } |
674 | ||
675 | static void | |
05439b1a | 676 | buffer_queue(struct vb2_buffer *vb) |
8b2f0795 DH |
677 | { |
678 | struct au0828_buffer *buf = container_of(vb, | |
679 | struct au0828_buffer, | |
680 | vb); | |
05439b1a | 681 | struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue); |
8b2f0795 | 682 | struct au0828_dmaqueue *vidq = &dev->vidq; |
05439b1a | 683 | unsigned long flags = 0; |
8b2f0795 | 684 | |
05439b1a SK |
685 | buf->mem = vb2_plane_vaddr(vb, 0); |
686 | buf->length = vb2_plane_size(vb, 0); | |
8b2f0795 | 687 | |
05439b1a SK |
688 | spin_lock_irqsave(&dev->slock, flags); |
689 | list_add_tail(&buf->list, &vidq->active); | |
690 | spin_unlock_irqrestore(&dev->slock, flags); | |
8b2f0795 DH |
691 | } |
692 | ||
8b2f0795 DH |
693 | static int au0828_i2s_init(struct au0828_dev *dev) |
694 | { | |
695 | /* Enable i2s mode */ | |
696 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
697 | return 0; | |
698 | } | |
699 | ||
700 | /* | |
701 | * Auvitek au0828 analog stream enable | |
8b2f0795 | 702 | */ |
a094ca46 | 703 | static int au0828_analog_stream_enable(struct au0828_dev *d) |
8b2f0795 | 704 | { |
64ea37bb | 705 | struct usb_interface *iface; |
1fe3a8fe | 706 | int ret, h, w; |
64ea37bb | 707 | |
8b2f0795 | 708 | dprintk(1, "au0828_analog_stream_enable called\n"); |
64ea37bb MCC |
709 | |
710 | iface = usb_ifnum_to_if(d->usbdev, 0); | |
711 | if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) { | |
712 | dprintk(1, "Changing intf#0 to alt 5\n"); | |
713 | /* set au0828 interface0 to AS5 here again */ | |
714 | ret = usb_set_interface(d->usbdev, 0, 5); | |
715 | if (ret < 0) { | |
83afb32a | 716 | pr_info("Au0828 can't set alt setting to 5!\n"); |
64ea37bb MCC |
717 | return -EBUSY; |
718 | } | |
719 | } | |
720 | ||
1fe3a8fe MCC |
721 | h = d->height / 2 + 2; |
722 | w = d->width * 2; | |
64ea37bb | 723 | |
8b2f0795 DH |
724 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); |
725 | au0828_writereg(d, 0x106, 0x00); | |
726 | /* set x position */ | |
727 | au0828_writereg(d, 0x110, 0x00); | |
728 | au0828_writereg(d, 0x111, 0x00); | |
1fe3a8fe MCC |
729 | au0828_writereg(d, 0x114, w & 0xff); |
730 | au0828_writereg(d, 0x115, w >> 8); | |
8b2f0795 | 731 | /* set y position */ |
7f8eacd2 | 732 | au0828_writereg(d, 0x112, 0x00); |
8b2f0795 | 733 | au0828_writereg(d, 0x113, 0x00); |
1fe3a8fe MCC |
734 | au0828_writereg(d, 0x116, h & 0xff); |
735 | au0828_writereg(d, 0x117, h >> 8); | |
8b2f0795 DH |
736 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); |
737 | ||
738 | return 0; | |
739 | } | |
740 | ||
05439b1a | 741 | static int au0828_analog_stream_disable(struct au0828_dev *d) |
8b2f0795 DH |
742 | { |
743 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
744 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
745 | return 0; | |
746 | } | |
747 | ||
a094ca46 | 748 | static void au0828_analog_stream_reset(struct au0828_dev *dev) |
8b2f0795 DH |
749 | { |
750 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
751 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
752 | mdelay(30); | |
753 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
754 | } | |
755 | ||
756 | /* | |
757 | * Some operations needs to stop current streaming | |
758 | */ | |
759 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
760 | { | |
761 | int ret = 0; | |
762 | ||
763 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 764 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 765 | return -ENODEV; |
62899a28 | 766 | else if (ret) { |
8b2f0795 | 767 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 768 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
769 | return ret; |
770 | } | |
771 | return 0; | |
772 | } | |
773 | ||
05439b1a | 774 | int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count) |
8b2f0795 | 775 | { |
05439b1a SK |
776 | struct au0828_dev *dev = vb2_get_drv_priv(vq); |
777 | int rc = 0; | |
8b2f0795 | 778 | |
05439b1a SK |
779 | dprintk(1, "au0828_start_analog_streaming called %d\n", |
780 | dev->streaming_users); | |
8b2f0795 | 781 | |
05439b1a SK |
782 | if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
783 | dev->frame_count = 0; | |
784 | else | |
785 | dev->vbi_frame_count = 0; | |
786 | ||
787 | if (dev->streaming_users == 0) { | |
788 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
789 | au0828_i2s_init(dev); | |
790 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
791 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
792 | au0828_isoc_copy); | |
793 | if (rc < 0) { | |
794 | pr_info("au0828_init_isoc failed\n"); | |
795 | return rc; | |
796 | } | |
8b2f0795 | 797 | |
05439b1a SK |
798 | if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
799 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, | |
800 | s_stream, 1); | |
801 | dev->vid_timeout_running = 1; | |
802 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
803 | } else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
804 | dev->vbi_timeout_running = 1; | |
805 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
806 | } | |
807 | } | |
808 | dev->streaming_users++; | |
809 | return rc; | |
810 | } | |
8b2f0795 | 811 | |
05439b1a | 812 | static void au0828_stop_streaming(struct vb2_queue *vq) |
8b2f0795 | 813 | { |
05439b1a SK |
814 | struct au0828_dev *dev = vb2_get_drv_priv(vq); |
815 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
816 | unsigned long flags = 0; | |
8b2f0795 | 817 | |
05439b1a | 818 | dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users); |
8b2f0795 | 819 | |
05439b1a SK |
820 | if (dev->streaming_users-- == 1) |
821 | au0828_uninit_isoc(dev); | |
822 | ||
823 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); | |
824 | dev->vid_timeout_running = 0; | |
825 | del_timer_sync(&dev->vid_timeout); | |
826 | ||
827 | spin_lock_irqsave(&dev->slock, flags); | |
828 | if (dev->isoc_ctl.buf != NULL) { | |
829 | vb2_buffer_done(&dev->isoc_ctl.buf->vb, VB2_BUF_STATE_ERROR); | |
830 | dev->isoc_ctl.buf = NULL; | |
7f8eacd2 | 831 | } |
05439b1a SK |
832 | while (!list_empty(&vidq->active)) { |
833 | struct au0828_buffer *buf; | |
549ee4df | 834 | |
05439b1a SK |
835 | buf = list_entry(vidq->active.next, struct au0828_buffer, list); |
836 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); | |
837 | list_del(&buf->list); | |
838 | } | |
839 | spin_unlock_irqrestore(&dev->slock, flags); | |
7f8eacd2 | 840 | } |
8b2f0795 | 841 | |
05439b1a | 842 | void au0828_stop_vbi_streaming(struct vb2_queue *vq) |
7f8eacd2 | 843 | { |
05439b1a SK |
844 | struct au0828_dev *dev = vb2_get_drv_priv(vq); |
845 | struct au0828_dmaqueue *vbiq = &dev->vbiq; | |
846 | unsigned long flags = 0; | |
8b2f0795 | 847 | |
05439b1a SK |
848 | dprintk(1, "au0828_stop_vbi_streaming called %d\n", |
849 | dev->streaming_users); | |
8b2f0795 | 850 | |
05439b1a SK |
851 | if (dev->streaming_users-- == 1) |
852 | au0828_uninit_isoc(dev); | |
7f8eacd2 | 853 | |
05439b1a SK |
854 | spin_lock_irqsave(&dev->slock, flags); |
855 | if (dev->isoc_ctl.vbi_buf != NULL) { | |
856 | vb2_buffer_done(&dev->isoc_ctl.vbi_buf->vb, | |
857 | VB2_BUF_STATE_ERROR); | |
858 | dev->isoc_ctl.vbi_buf = NULL; | |
859 | } | |
860 | while (!list_empty(&vbiq->active)) { | |
861 | struct au0828_buffer *buf; | |
862 | ||
863 | buf = list_entry(vbiq->active.next, struct au0828_buffer, list); | |
864 | list_del(&buf->list); | |
865 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); | |
866 | } | |
867 | spin_unlock_irqrestore(&dev->slock, flags); | |
8b2f0795 | 868 | |
05439b1a SK |
869 | dev->vbi_timeout_running = 0; |
870 | del_timer_sync(&dev->vbi_timeout); | |
7f8eacd2 DH |
871 | } |
872 | ||
05439b1a SK |
873 | static struct vb2_ops au0828_video_qops = { |
874 | .queue_setup = queue_setup, | |
875 | .buf_prepare = buffer_prepare, | |
876 | .buf_queue = buffer_queue, | |
877 | .start_streaming = au0828_start_analog_streaming, | |
878 | .stop_streaming = au0828_stop_streaming, | |
879 | .wait_prepare = vb2_ops_wait_prepare, | |
880 | .wait_finish = vb2_ops_wait_finish, | |
881 | }; | |
882 | ||
883 | /* ------------------------------------------------------------------ | |
884 | V4L2 interface | |
885 | ------------------------------------------------------------------*/ | |
886 | /* | |
887 | * au0828_analog_unregister | |
888 | * unregister v4l2 devices | |
889 | */ | |
890 | void au0828_analog_unregister(struct au0828_dev *dev) | |
7f8eacd2 | 891 | { |
05439b1a SK |
892 | dprintk(1, "au0828_analog_unregister called\n"); |
893 | mutex_lock(&au0828_sysfs_lock); | |
41071bb8 SK |
894 | video_unregister_device(&dev->vdev); |
895 | video_unregister_device(&dev->vbi_dev); | |
05439b1a | 896 | mutex_unlock(&au0828_sysfs_lock); |
8b2f0795 DH |
897 | } |
898 | ||
6e04b7b9 DH |
899 | /* This function ensures that video frames continue to be delivered even if |
900 | the ITU-656 input isn't receiving any data (thereby preventing applications | |
901 | such as tvtime from hanging) */ | |
a094ca46 | 902 | static void au0828_vid_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
903 | { |
904 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
905 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
906 | struct au0828_buffer *buf; | |
907 | unsigned char *vid_data; | |
78ca5005 | 908 | unsigned long flags = 0; |
6e04b7b9 | 909 | |
78ca5005 | 910 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
911 | |
912 | buf = dev->isoc_ctl.buf; | |
913 | if (buf != NULL) { | |
05439b1a SK |
914 | vid_data = vb2_plane_vaddr(&buf->vb, 0); |
915 | memset(vid_data, 0x00, buf->length); /* Blank green frame */ | |
6e04b7b9 | 916 | buffer_filled(dev, dma_q, buf); |
6e04b7b9 | 917 | } |
78ca5005 DH |
918 | get_next_buf(dma_q, &buf); |
919 | ||
920 | if (dev->vid_timeout_running == 1) | |
921 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
6e04b7b9 | 922 | |
78ca5005 | 923 | spin_unlock_irqrestore(&dev->slock, flags); |
6e04b7b9 DH |
924 | } |
925 | ||
a094ca46 | 926 | static void au0828_vbi_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
927 | { |
928 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
929 | struct au0828_dmaqueue *dma_q = &dev->vbiq; | |
930 | struct au0828_buffer *buf; | |
931 | unsigned char *vbi_data; | |
78ca5005 | 932 | unsigned long flags = 0; |
6e04b7b9 | 933 | |
78ca5005 | 934 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
935 | |
936 | buf = dev->isoc_ctl.vbi_buf; | |
937 | if (buf != NULL) { | |
05439b1a SK |
938 | vbi_data = vb2_plane_vaddr(&buf->vb, 0); |
939 | memset(vbi_data, 0x00, buf->length); | |
c5036d61 | 940 | buffer_filled(dev, dma_q, buf); |
6e04b7b9 | 941 | } |
78ca5005 | 942 | vbi_get_next_buf(dma_q, &buf); |
6e04b7b9 | 943 | |
78ca5005 DH |
944 | if (dev->vbi_timeout_running == 1) |
945 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
946 | spin_unlock_irqrestore(&dev->slock, flags); | |
6e04b7b9 DH |
947 | } |
948 | ||
8b2f0795 DH |
949 | static int au0828_v4l2_open(struct file *filp) |
950 | { | |
63b0d5ad | 951 | struct au0828_dev *dev = video_drvdata(filp); |
05439b1a | 952 | int ret; |
8b2f0795 | 953 | |
05439b1a SK |
954 | dprintk(1, |
955 | "%s called std_set %d dev_state %d stream users %d users %d\n", | |
956 | __func__, dev->std_set_in_tuner_core, dev->dev_state, | |
957 | dev->streaming_users, dev->users); | |
8b2f0795 | 958 | |
05439b1a | 959 | if (mutex_lock_interruptible(&dev->lock)) |
ea86968f | 960 | return -ERESTARTSYS; |
05439b1a SK |
961 | |
962 | ret = v4l2_fh_open(filp); | |
963 | if (ret) { | |
964 | au0828_isocdbg("%s: v4l2_fh_open() returned error %d\n", | |
965 | __func__, ret); | |
966 | mutex_unlock(&dev->lock); | |
967 | return ret; | |
ea86968f | 968 | } |
05439b1a | 969 | |
ea86968f | 970 | if (dev->users == 0) { |
8b2f0795 DH |
971 | au0828_analog_stream_enable(dev); |
972 | au0828_analog_stream_reset(dev); | |
8b2f0795 DH |
973 | dev->stream_state = STREAM_OFF; |
974 | dev->dev_state |= DEV_INITIALIZED; | |
975 | } | |
8b2f0795 | 976 | dev->users++; |
ea86968f | 977 | mutex_unlock(&dev->lock); |
8b2f0795 DH |
978 | return ret; |
979 | } | |
980 | ||
981 | static int au0828_v4l2_close(struct file *filp) | |
982 | { | |
983 | int ret; | |
05439b1a SK |
984 | struct au0828_dev *dev = video_drvdata(filp); |
985 | struct video_device *vdev = video_devdata(filp); | |
986 | ||
987 | dprintk(1, | |
988 | "%s called std_set %d dev_state %d stream users %d users %d\n", | |
989 | __func__, dev->std_set_in_tuner_core, dev->dev_state, | |
990 | dev->streaming_users, dev->users); | |
8b2f0795 | 991 | |
ea86968f | 992 | mutex_lock(&dev->lock); |
05439b1a | 993 | if (vdev->vfl_type == VFL_TYPE_GRABBER && dev->vid_timeout_running) { |
78ca5005 DH |
994 | /* Cancel timeout thread in case they didn't call streamoff */ |
995 | dev->vid_timeout_running = 0; | |
996 | del_timer_sync(&dev->vid_timeout); | |
05439b1a SK |
997 | } else if (vdev->vfl_type == VFL_TYPE_VBI && |
998 | dev->vbi_timeout_running) { | |
78ca5005 DH |
999 | /* Cancel timeout thread in case they didn't call streamoff */ |
1000 | dev->vbi_timeout_running = 0; | |
1001 | del_timer_sync(&dev->vbi_timeout); | |
7f8eacd2 DH |
1002 | } |
1003 | ||
05439b1a SK |
1004 | if (dev->dev_state == DEV_DISCONNECTED) |
1005 | goto end; | |
8b2f0795 | 1006 | |
05439b1a | 1007 | if (dev->users == 1) { |
e4b8bc52 | 1008 | /* Save some power by putting tuner to sleep */ |
622b828a | 1009 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
ea86968f | 1010 | dev->std_set_in_tuner_core = 0; |
e4b8bc52 | 1011 | |
8b2f0795 DH |
1012 | /* When close the device, set the usb intf0 into alt0 to free |
1013 | USB bandwidth */ | |
1014 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
62899a28 | 1015 | if (ret < 0) |
83afb32a | 1016 | pr_info("Au0828 can't set alternate to 0!\n"); |
8b2f0795 | 1017 | } |
05439b1a SK |
1018 | end: |
1019 | _vb2_fop_release(filp, NULL); | |
8b2f0795 | 1020 | dev->users--; |
05439b1a | 1021 | mutex_unlock(&dev->lock); |
8b2f0795 DH |
1022 | return 0; |
1023 | } | |
1024 | ||
ea86968f HV |
1025 | /* Must be called with dev->lock held */ |
1026 | static void au0828_init_tuner(struct au0828_dev *dev) | |
1027 | { | |
1028 | struct v4l2_frequency f = { | |
1029 | .frequency = dev->ctrl_freq, | |
1030 | .type = V4L2_TUNER_ANALOG_TV, | |
1031 | }; | |
1032 | ||
05439b1a SK |
1033 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1034 | dev->std_set_in_tuner_core, dev->dev_state); | |
1035 | ||
ea86968f HV |
1036 | if (dev->std_set_in_tuner_core) |
1037 | return; | |
1038 | dev->std_set_in_tuner_core = 1; | |
1039 | i2c_gate_ctrl(dev, 1); | |
1040 | /* If we've never sent the standard in tuner core, do so now. | |
1041 | We don't do this at device probe because we don't want to | |
1042 | incur the cost of a firmware load */ | |
8774bed9 | 1043 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, dev->std); |
ea86968f HV |
1044 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); |
1045 | i2c_gate_ctrl(dev, 0); | |
1046 | } | |
1047 | ||
8b2f0795 DH |
1048 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, |
1049 | struct v4l2_format *format) | |
1050 | { | |
1051 | int ret; | |
1052 | int width = format->fmt.pix.width; | |
1053 | int height = format->fmt.pix.height; | |
8b2f0795 | 1054 | |
8b2f0795 DH |
1055 | /* If they are demanding a format other than the one we support, |
1056 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
62899a28 | 1057 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
8b2f0795 | 1058 | return -EINVAL; |
8b2f0795 DH |
1059 | |
1060 | /* format->fmt.pix.width only support 720 and height 480 */ | |
62899a28 | 1061 | if (width != 720) |
8b2f0795 | 1062 | width = 720; |
62899a28 | 1063 | if (height != 480) |
8b2f0795 DH |
1064 | height = 480; |
1065 | ||
1066 | format->fmt.pix.width = width; | |
1067 | format->fmt.pix.height = height; | |
1068 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1069 | format->fmt.pix.bytesperline = width * 2; | |
1070 | format->fmt.pix.sizeimage = width * height * 2; | |
1071 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1072 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
8d86e4e8 | 1073 | format->fmt.pix.priv = 0; |
8b2f0795 | 1074 | |
62899a28 | 1075 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
1076 | return 0; |
1077 | ||
1078 | /* maybe set new image format, driver current only support 720*480 */ | |
1079 | dev->width = width; | |
1080 | dev->height = height; | |
1081 | dev->frame_size = width * height * 2; | |
1082 | dev->field_size = width * height; | |
1083 | dev->bytesperline = width * 2; | |
1084 | ||
62899a28 | 1085 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 1086 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
1087 | ret = au0828_stream_interrupt(dev); |
1088 | if (ret != 0) { | |
8b2f0795 DH |
1089 | dprintk(1, "error interrupting video stream!\n"); |
1090 | return ret; | |
1091 | } | |
1092 | } | |
1093 | ||
8b2f0795 DH |
1094 | au0828_analog_stream_enable(dev); |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
8b2f0795 DH |
1099 | static int vidioc_querycap(struct file *file, void *priv, |
1100 | struct v4l2_capability *cap) | |
1101 | { | |
59e05484 | 1102 | struct video_device *vdev = video_devdata(file); |
05439b1a SK |
1103 | struct au0828_dev *dev = video_drvdata(file); |
1104 | ||
1105 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1106 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 | 1107 | |
8b2f0795 | 1108 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 1109 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
59e05484 | 1110 | usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info)); |
8b2f0795 | 1111 | |
59e05484 HV |
1112 | /* set the device capabilities */ |
1113 | cap->device_caps = V4L2_CAP_AUDIO | | |
8b2f0795 DH |
1114 | V4L2_CAP_READWRITE | |
1115 | V4L2_CAP_STREAMING | | |
1116 | V4L2_CAP_TUNER; | |
59e05484 HV |
1117 | if (vdev->vfl_type == VFL_TYPE_GRABBER) |
1118 | cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; | |
1119 | else | |
1120 | cap->device_caps |= V4L2_CAP_VBI_CAPTURE; | |
1121 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | | |
1122 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE; | |
8b2f0795 DH |
1123 | return 0; |
1124 | } | |
1125 | ||
1126 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1127 | struct v4l2_fmtdesc *f) | |
1128 | { | |
62899a28 | 1129 | if (f->index) |
8b2f0795 DH |
1130 | return -EINVAL; |
1131 | ||
05439b1a SK |
1132 | dprintk(1, "%s called\n", __func__); |
1133 | ||
8b2f0795 DH |
1134 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1135 | strcpy(f->description, "Packed YUV2"); | |
1136 | ||
1137 | f->flags = 0; | |
1138 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1139 | ||
8b2f0795 DH |
1140 | return 0; |
1141 | } | |
1142 | ||
1143 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1144 | struct v4l2_format *f) | |
1145 | { | |
05439b1a SK |
1146 | struct au0828_dev *dev = video_drvdata(file); |
1147 | ||
1148 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1149 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 DH |
1150 | |
1151 | f->fmt.pix.width = dev->width; | |
1152 | f->fmt.pix.height = dev->height; | |
1153 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1154 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1155 | f->fmt.pix.sizeimage = dev->frame_size; | |
1156 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1157 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
8d86e4e8 | 1158 | f->fmt.pix.priv = 0; |
8b2f0795 DH |
1159 | return 0; |
1160 | } | |
1161 | ||
1162 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1163 | struct v4l2_format *f) | |
1164 | { | |
05439b1a SK |
1165 | struct au0828_dev *dev = video_drvdata(file); |
1166 | ||
1167 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1168 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 DH |
1169 | |
1170 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1171 | } | |
1172 | ||
1173 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1174 | struct v4l2_format *f) | |
1175 | { | |
05439b1a | 1176 | struct au0828_dev *dev = video_drvdata(file); |
8b2f0795 DH |
1177 | int rc; |
1178 | ||
05439b1a SK |
1179 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1180 | dev->std_set_in_tuner_core, dev->dev_state); | |
1181 | ||
7f8eacd2 DH |
1182 | rc = check_dev(dev); |
1183 | if (rc < 0) | |
1184 | return rc; | |
1185 | ||
05439b1a | 1186 | if (vb2_is_busy(&dev->vb_vidq)) { |
83afb32a | 1187 | pr_info("%s queue busy\n", __func__); |
8b2f0795 DH |
1188 | rc = -EBUSY; |
1189 | goto out; | |
1190 | } | |
1191 | ||
7f8eacd2 | 1192 | rc = au0828_set_format(dev, VIDIOC_S_FMT, f); |
8b2f0795 DH |
1193 | out: |
1194 | return rc; | |
1195 | } | |
1196 | ||
314527ac | 1197 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
8b2f0795 | 1198 | { |
05439b1a SK |
1199 | struct au0828_dev *dev = video_drvdata(file); |
1200 | ||
1201 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1202 | dev->std_set_in_tuner_core, dev->dev_state); | |
1203 | ||
1204 | if (norm == dev->std) | |
1205 | return 0; | |
1206 | ||
1207 | if (dev->streaming_users > 0) | |
1208 | return -EBUSY; | |
8b2f0795 | 1209 | |
ea86968f HV |
1210 | dev->std = norm; |
1211 | ||
1212 | au0828_init_tuner(dev); | |
1213 | ||
fa09cb9a | 1214 | i2c_gate_ctrl(dev, 1); |
e58071f0 | 1215 | |
f2fd7ce6 MCC |
1216 | /* |
1217 | * FIXME: when we support something other than 60Hz standards, | |
1218 | * we are going to have to make the au0828 bridge adjust the size | |
1219 | * of its capture buffer, which is currently hardcoded at 720x480 | |
1220 | */ | |
8b2f0795 | 1221 | |
8774bed9 | 1222 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, norm); |
e58071f0 | 1223 | |
fa09cb9a | 1224 | i2c_gate_ctrl(dev, 0); |
e58071f0 | 1225 | |
8b2f0795 DH |
1226 | return 0; |
1227 | } | |
1228 | ||
33b6b89b HV |
1229 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) |
1230 | { | |
05439b1a SK |
1231 | struct au0828_dev *dev = video_drvdata(file); |
1232 | ||
1233 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1234 | dev->std_set_in_tuner_core, dev->dev_state); | |
33b6b89b HV |
1235 | |
1236 | *norm = dev->std; | |
1237 | return 0; | |
1238 | } | |
1239 | ||
8b2f0795 DH |
1240 | static int vidioc_enum_input(struct file *file, void *priv, |
1241 | struct v4l2_input *input) | |
1242 | { | |
05439b1a | 1243 | struct au0828_dev *dev = video_drvdata(file); |
8b2f0795 DH |
1244 | unsigned int tmp; |
1245 | ||
1246 | static const char *inames[] = { | |
3d62287e | 1247 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1248 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1249 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1250 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1251 | [AU0828_VMUX_TELEVISION] = "Television", | |
1252 | [AU0828_VMUX_DVB] = "DVB", | |
1253 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1254 | }; | |
1255 | ||
05439b1a SK |
1256 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1257 | dev->std_set_in_tuner_core, dev->dev_state); | |
1258 | ||
8b2f0795 DH |
1259 | tmp = input->index; |
1260 | ||
f5e20c34 | 1261 | if (tmp >= AU0828_MAX_INPUT) |
8b2f0795 | 1262 | return -EINVAL; |
62899a28 | 1263 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1264 | return -EINVAL; |
1265 | ||
8b2f0795 | 1266 | input->index = tmp; |
f1add5b5 | 1267 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 | 1268 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
a2cf96f9 | 1269 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) { |
8b2f0795 | 1270 | input->type |= V4L2_INPUT_TYPE_TUNER; |
a2cf96f9 HV |
1271 | input->audioset = 1; |
1272 | } else { | |
8b2f0795 | 1273 | input->type |= V4L2_INPUT_TYPE_CAMERA; |
a2cf96f9 HV |
1274 | input->audioset = 2; |
1275 | } | |
8b2f0795 | 1276 | |
41071bb8 | 1277 | input->std = dev->vdev.tvnorms; |
8b2f0795 DH |
1278 | |
1279 | return 0; | |
1280 | } | |
1281 | ||
1282 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1283 | { | |
05439b1a SK |
1284 | struct au0828_dev *dev = video_drvdata(file); |
1285 | ||
1286 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1287 | dev->std_set_in_tuner_core, dev->dev_state); | |
1288 | ||
8b2f0795 DH |
1289 | *i = dev->ctrl_input; |
1290 | return 0; | |
1291 | } | |
1292 | ||
56230d1e | 1293 | static void au0828_s_input(struct au0828_dev *dev, int index) |
8b2f0795 | 1294 | { |
8b2f0795 | 1295 | int i; |
8b2f0795 | 1296 | |
05439b1a SK |
1297 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1298 | dev->std_set_in_tuner_core, dev->dev_state); | |
1299 | ||
62899a28 | 1300 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1301 | case AU0828_VMUX_SVIDEO: |
8b2f0795 | 1302 | dev->input_type = AU0828_VMUX_SVIDEO; |
a2cf96f9 | 1303 | dev->ctrl_ainput = 1; |
8b2f0795 | 1304 | break; |
8b2f0795 | 1305 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 | 1306 | dev->input_type = AU0828_VMUX_COMPOSITE; |
a2cf96f9 | 1307 | dev->ctrl_ainput = 1; |
8b2f0795 | 1308 | break; |
8b2f0795 | 1309 | case AU0828_VMUX_TELEVISION: |
8b2f0795 | 1310 | dev->input_type = AU0828_VMUX_TELEVISION; |
a2cf96f9 | 1311 | dev->ctrl_ainput = 0; |
8b2f0795 | 1312 | break; |
8b2f0795 | 1313 | default: |
56230d1e | 1314 | dprintk(1, "unknown input type set [%d]\n", |
a1094c4c DH |
1315 | AUVI_INPUT(index).type); |
1316 | break; | |
8b2f0795 DH |
1317 | } |
1318 | ||
5325b427 HV |
1319 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
1320 | AUVI_INPUT(index).vmux, 0, 0); | |
8b2f0795 DH |
1321 | |
1322 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1323 | int enable = 0; | |
62899a28 | 1324 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1325 | continue; |
8b2f0795 DH |
1326 | |
1327 | if (i == index) | |
1328 | enable = 1; | |
1329 | else | |
1330 | enable = 0; | |
1331 | if (enable) { | |
f1add5b5 | 1332 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1333 | } else { |
1334 | /* Make sure we leave it turned on if some | |
1335 | other input is routed to this callback */ | |
f1add5b5 DH |
1336 | if ((AUVI_INPUT(i).audio_setup) != |
1337 | ((AUVI_INPUT(index).audio_setup))) { | |
1338 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1339 | } |
1340 | } | |
1341 | } | |
1342 | ||
5325b427 HV |
1343 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
1344 | AUVI_INPUT(index).amux, 0, 0); | |
56230d1e HV |
1345 | } |
1346 | ||
1347 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1348 | { | |
05439b1a | 1349 | struct au0828_dev *dev = video_drvdata(file); |
56230d1e HV |
1350 | |
1351 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, | |
1352 | index); | |
1353 | if (index >= AU0828_MAX_INPUT) | |
1354 | return -EINVAL; | |
1355 | if (AUVI_INPUT(index).type == 0) | |
1356 | return -EINVAL; | |
1357 | dev->ctrl_input = index; | |
1358 | au0828_s_input(dev, index); | |
8b2f0795 DH |
1359 | return 0; |
1360 | } | |
1361 | ||
a2cf96f9 HV |
1362 | static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a) |
1363 | { | |
1364 | if (a->index > 1) | |
1365 | return -EINVAL; | |
1366 | ||
05439b1a SK |
1367 | dprintk(1, "%s called\n", __func__); |
1368 | ||
a2cf96f9 HV |
1369 | if (a->index == 0) |
1370 | strcpy(a->name, "Television"); | |
1371 | else | |
1372 | strcpy(a->name, "Line in"); | |
1373 | ||
1374 | a->capability = V4L2_AUDCAP_STEREO; | |
1375 | return 0; | |
1376 | } | |
1377 | ||
8b2f0795 DH |
1378 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
1379 | { | |
05439b1a SK |
1380 | struct au0828_dev *dev = video_drvdata(file); |
1381 | ||
1382 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1383 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 | 1384 | |
a2cf96f9 HV |
1385 | a->index = dev->ctrl_ainput; |
1386 | if (a->index == 0) | |
8b2f0795 DH |
1387 | strcpy(a->name, "Television"); |
1388 | else | |
1389 | strcpy(a->name, "Line in"); | |
1390 | ||
1391 | a->capability = V4L2_AUDCAP_STEREO; | |
8b2f0795 DH |
1392 | return 0; |
1393 | } | |
1394 | ||
0e8025b9 | 1395 | static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) |
8b2f0795 | 1396 | { |
05439b1a | 1397 | struct au0828_dev *dev = video_drvdata(file); |
a2cf96f9 | 1398 | |
62899a28 | 1399 | if (a->index != dev->ctrl_ainput) |
8b2f0795 | 1400 | return -EINVAL; |
05439b1a SK |
1401 | |
1402 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1403 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 DH |
1404 | return 0; |
1405 | } | |
1406 | ||
8b2f0795 DH |
1407 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
1408 | { | |
05439b1a | 1409 | struct au0828_dev *dev = video_drvdata(file); |
8b2f0795 | 1410 | |
62899a28 | 1411 | if (t->index != 0) |
8b2f0795 DH |
1412 | return -EINVAL; |
1413 | ||
05439b1a SK |
1414 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1415 | dev->std_set_in_tuner_core, dev->dev_state); | |
1416 | ||
8b2f0795 | 1417 | strcpy(t->name, "Auvitek tuner"); |
ea86968f HV |
1418 | |
1419 | au0828_init_tuner(dev); | |
1420 | i2c_gate_ctrl(dev, 1); | |
2689d3dc | 1421 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
ea86968f | 1422 | i2c_gate_ctrl(dev, 0); |
8b2f0795 DH |
1423 | return 0; |
1424 | } | |
1425 | ||
1426 | static int vidioc_s_tuner(struct file *file, void *priv, | |
2f73c7c5 | 1427 | const struct v4l2_tuner *t) |
8b2f0795 | 1428 | { |
05439b1a | 1429 | struct au0828_dev *dev = video_drvdata(file); |
8b2f0795 | 1430 | |
62899a28 | 1431 | if (t->index != 0) |
8b2f0795 DH |
1432 | return -EINVAL; |
1433 | ||
05439b1a SK |
1434 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1435 | dev->std_set_in_tuner_core, dev->dev_state); | |
1436 | ||
ea86968f | 1437 | au0828_init_tuner(dev); |
fa09cb9a | 1438 | i2c_gate_ctrl(dev, 1); |
2689d3dc | 1439 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
fa09cb9a | 1440 | i2c_gate_ctrl(dev, 0); |
e58071f0 | 1441 | |
8b2f0795 DH |
1442 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
1443 | t->afc); | |
e58071f0 | 1444 | |
8b2f0795 DH |
1445 | return 0; |
1446 | ||
1447 | } | |
1448 | ||
1449 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1450 | struct v4l2_frequency *freq) | |
1451 | { | |
05439b1a | 1452 | struct au0828_dev *dev = video_drvdata(file); |
c888923d | 1453 | |
e1cf6587 HV |
1454 | if (freq->tuner != 0) |
1455 | return -EINVAL; | |
05439b1a SK |
1456 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1457 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 DH |
1458 | freq->frequency = dev->ctrl_freq; |
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | static int vidioc_s_frequency(struct file *file, void *priv, | |
b530a447 | 1463 | const struct v4l2_frequency *freq) |
8b2f0795 | 1464 | { |
05439b1a | 1465 | struct au0828_dev *dev = video_drvdata(file); |
e1cf6587 | 1466 | struct v4l2_frequency new_freq = *freq; |
8b2f0795 | 1467 | |
62899a28 | 1468 | if (freq->tuner != 0) |
8b2f0795 | 1469 | return -EINVAL; |
8b2f0795 | 1470 | |
05439b1a SK |
1471 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1472 | dev->std_set_in_tuner_core, dev->dev_state); | |
1473 | ||
ea86968f | 1474 | au0828_init_tuner(dev); |
fa09cb9a | 1475 | i2c_gate_ctrl(dev, 1); |
4a03dafc | 1476 | |
2689d3dc | 1477 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
e1cf6587 HV |
1478 | /* Get the actual set (and possibly clamped) frequency */ |
1479 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq); | |
1480 | dev->ctrl_freq = new_freq.frequency; | |
8b2f0795 | 1481 | |
fa09cb9a | 1482 | i2c_gate_ctrl(dev, 0); |
4a03dafc | 1483 | |
8b2f0795 DH |
1484 | au0828_analog_stream_reset(dev); |
1485 | ||
1486 | return 0; | |
1487 | } | |
1488 | ||
7f8eacd2 DH |
1489 | |
1490 | /* RAW VBI ioctls */ | |
1491 | ||
1492 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1493 | struct v4l2_format *format) | |
1494 | { | |
05439b1a SK |
1495 | struct au0828_dev *dev = video_drvdata(file); |
1496 | ||
1497 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1498 | dev->std_set_in_tuner_core, dev->dev_state); | |
7f8eacd2 DH |
1499 | |
1500 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
1501 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1502 | format->fmt.vbi.offset = 0; | |
1503 | format->fmt.vbi.flags = 0; | |
1504 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; | |
1505 | ||
1506 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1507 | format->fmt.vbi.count[1] = dev->vbi_height; | |
1508 | format->fmt.vbi.start[0] = 21; | |
1509 | format->fmt.vbi.start[1] = 284; | |
8d86e4e8 | 1510 | memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); |
7f8eacd2 DH |
1511 | |
1512 | return 0; | |
1513 | } | |
1514 | ||
8b2f0795 DH |
1515 | static int vidioc_cropcap(struct file *file, void *priv, |
1516 | struct v4l2_cropcap *cc) | |
1517 | { | |
05439b1a | 1518 | struct au0828_dev *dev = video_drvdata(file); |
8b2f0795 | 1519 | |
62899a28 | 1520 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1521 | return -EINVAL; |
1522 | ||
05439b1a SK |
1523 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, |
1524 | dev->std_set_in_tuner_core, dev->dev_state); | |
1525 | ||
8b2f0795 DH |
1526 | cc->bounds.left = 0; |
1527 | cc->bounds.top = 0; | |
1528 | cc->bounds.width = dev->width; | |
1529 | cc->bounds.height = dev->height; | |
1530 | ||
1531 | cc->defrect = cc->bounds; | |
1532 | ||
1533 | cc->pixelaspect.numerator = 54; | |
1534 | cc->pixelaspect.denominator = 59; | |
1535 | ||
1536 | return 0; | |
1537 | } | |
1538 | ||
80c6e358 | 1539 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
8b2f0795 DH |
1540 | static int vidioc_g_register(struct file *file, void *priv, |
1541 | struct v4l2_dbg_register *reg) | |
1542 | { | |
05439b1a SK |
1543 | struct au0828_dev *dev = video_drvdata(file); |
1544 | ||
1545 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1546 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 | 1547 | |
364d2db2 | 1548 | reg->val = au0828_read(dev, reg->reg); |
ead5bc4e | 1549 | reg->size = 1; |
364d2db2 | 1550 | return 0; |
8b2f0795 DH |
1551 | } |
1552 | ||
1553 | static int vidioc_s_register(struct file *file, void *priv, | |
977ba3b1 | 1554 | const struct v4l2_dbg_register *reg) |
8b2f0795 | 1555 | { |
05439b1a SK |
1556 | struct au0828_dev *dev = video_drvdata(file); |
1557 | ||
1558 | dprintk(1, "%s called std_set %d dev_state %d\n", __func__, | |
1559 | dev->std_set_in_tuner_core, dev->dev_state); | |
8b2f0795 | 1560 | |
364d2db2 | 1561 | return au0828_writereg(dev, reg->reg, reg->val); |
8b2f0795 | 1562 | } |
80c6e358 | 1563 | #endif |
8b2f0795 | 1564 | |
83b09422 HV |
1565 | static int vidioc_log_status(struct file *file, void *fh) |
1566 | { | |
1567 | struct video_device *vdev = video_devdata(file); | |
1568 | ||
05439b1a SK |
1569 | dprintk(1, "%s called\n", __func__); |
1570 | ||
83b09422 HV |
1571 | v4l2_ctrl_log_status(file, fh); |
1572 | v4l2_device_call_all(vdev->v4l2_dev, 0, core, log_status); | |
1573 | return 0; | |
1574 | } | |
1575 | ||
1a1ba95e MCC |
1576 | void au0828_v4l2_suspend(struct au0828_dev *dev) |
1577 | { | |
1578 | struct urb *urb; | |
1579 | int i; | |
1580 | ||
81187240 MCC |
1581 | pr_info("stopping V4L2\n"); |
1582 | ||
1a1ba95e | 1583 | if (dev->stream_state == STREAM_ON) { |
81187240 | 1584 | pr_info("stopping V4L2 active URBs\n"); |
1a1ba95e MCC |
1585 | au0828_analog_stream_disable(dev); |
1586 | /* stop urbs */ | |
1587 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
1588 | urb = dev->isoc_ctl.urb[i]; | |
1589 | if (urb) { | |
1590 | if (!irqs_disabled()) | |
1591 | usb_kill_urb(urb); | |
1592 | else | |
1593 | usb_unlink_urb(urb); | |
1594 | } | |
1595 | } | |
1596 | } | |
1597 | ||
1598 | if (dev->vid_timeout_running) | |
1599 | del_timer_sync(&dev->vid_timeout); | |
1600 | if (dev->vbi_timeout_running) | |
1601 | del_timer_sync(&dev->vbi_timeout); | |
1602 | } | |
1603 | ||
1604 | void au0828_v4l2_resume(struct au0828_dev *dev) | |
1605 | { | |
1606 | int i, rc; | |
1607 | ||
81187240 MCC |
1608 | pr_info("restarting V4L2\n"); |
1609 | ||
1a1ba95e MCC |
1610 | if (dev->stream_state == STREAM_ON) { |
1611 | au0828_stream_interrupt(dev); | |
1612 | au0828_init_tuner(dev); | |
1613 | } | |
1614 | ||
1615 | if (dev->vid_timeout_running) | |
1616 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
1617 | if (dev->vbi_timeout_running) | |
1618 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1619 | ||
1620 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
1621 | au0828_i2s_init(dev); | |
1622 | ||
1623 | au0828_analog_stream_enable(dev); | |
1624 | ||
1625 | if (!(dev->stream_state == STREAM_ON)) { | |
1626 | au0828_analog_stream_reset(dev); | |
1627 | /* submit urbs */ | |
1628 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
1629 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
1630 | if (rc) { | |
1631 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
1632 | i, rc); | |
1633 | au0828_uninit_isoc(dev); | |
1634 | } | |
1635 | } | |
1636 | } | |
1637 | } | |
1638 | ||
8b2f0795 DH |
1639 | static struct v4l2_file_operations au0828_v4l_fops = { |
1640 | .owner = THIS_MODULE, | |
1641 | .open = au0828_v4l2_open, | |
1642 | .release = au0828_v4l2_close, | |
05439b1a SK |
1643 | .read = vb2_fop_read, |
1644 | .poll = vb2_fop_poll, | |
1645 | .mmap = vb2_fop_mmap, | |
549ee4df | 1646 | .unlocked_ioctl = video_ioctl2, |
8b2f0795 DH |
1647 | }; |
1648 | ||
1649 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1650 | .vidioc_querycap = vidioc_querycap, | |
1651 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1652 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1653 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1654 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
5a5a4e16 | 1655 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
8d86e4e8 | 1656 | .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
7f8eacd2 | 1657 | .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
a2cf96f9 | 1658 | .vidioc_enumaudio = vidioc_enumaudio, |
8b2f0795 DH |
1659 | .vidioc_g_audio = vidioc_g_audio, |
1660 | .vidioc_s_audio = vidioc_s_audio, | |
1661 | .vidioc_cropcap = vidioc_cropcap, | |
05439b1a SK |
1662 | |
1663 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1664 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1665 | .vidioc_prepare_buf = vb2_ioctl_prepare_buf, | |
1666 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1667 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1668 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1669 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1670 | ||
8b2f0795 | 1671 | .vidioc_s_std = vidioc_s_std, |
33b6b89b | 1672 | .vidioc_g_std = vidioc_g_std, |
8b2f0795 DH |
1673 | .vidioc_enum_input = vidioc_enum_input, |
1674 | .vidioc_g_input = vidioc_g_input, | |
1675 | .vidioc_s_input = vidioc_s_input, | |
05439b1a SK |
1676 | |
1677 | .vidioc_streamon = vb2_ioctl_streamon, | |
1678 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1679 | ||
8b2f0795 DH |
1680 | .vidioc_g_tuner = vidioc_g_tuner, |
1681 | .vidioc_s_tuner = vidioc_s_tuner, | |
1682 | .vidioc_g_frequency = vidioc_g_frequency, | |
1683 | .vidioc_s_frequency = vidioc_s_frequency, | |
1684 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1685 | .vidioc_g_register = vidioc_g_register, | |
1686 | .vidioc_s_register = vidioc_s_register, | |
8b2f0795 | 1687 | #endif |
83b09422 HV |
1688 | .vidioc_log_status = vidioc_log_status, |
1689 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1690 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
8b2f0795 DH |
1691 | }; |
1692 | ||
1693 | static const struct video_device au0828_video_template = { | |
1694 | .fops = &au0828_v4l_fops, | |
41071bb8 | 1695 | .release = video_device_release_empty, |
8b2f0795 | 1696 | .ioctl_ops = &video_ioctl_ops, |
f2fd7ce6 | 1697 | .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M, |
8b2f0795 DH |
1698 | }; |
1699 | ||
05439b1a SK |
1700 | static int au0828_vb2_setup(struct au0828_dev *dev) |
1701 | { | |
1702 | int rc; | |
1703 | struct vb2_queue *q; | |
1704 | ||
1705 | /* Setup Videobuf2 for Video capture */ | |
1706 | q = &dev->vb_vidq; | |
1707 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1708 | q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1709 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1710 | q->drv_priv = dev; | |
1711 | q->buf_struct_size = sizeof(struct au0828_buffer); | |
1712 | q->ops = &au0828_video_qops; | |
1713 | q->mem_ops = &vb2_vmalloc_memops; | |
1714 | ||
1715 | rc = vb2_queue_init(q); | |
1716 | if (rc < 0) | |
1717 | return rc; | |
1718 | ||
1719 | /* Setup Videobuf2 for VBI capture */ | |
1720 | q = &dev->vb_vbiq; | |
1721 | q->type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1722 | q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1723 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1724 | q->drv_priv = dev; | |
1725 | q->buf_struct_size = sizeof(struct au0828_buffer); | |
1726 | q->ops = &au0828_vbi_qops; | |
1727 | q->mem_ops = &vb2_vmalloc_memops; | |
1728 | ||
1729 | rc = vb2_queue_init(q); | |
1730 | if (rc < 0) | |
1731 | return rc; | |
1732 | ||
1733 | return 0; | |
1734 | } | |
1735 | ||
8b2f0795 DH |
1736 | /**************************************************************************/ |
1737 | ||
fc4ce6cd DH |
1738 | int au0828_analog_register(struct au0828_dev *dev, |
1739 | struct usb_interface *interface) | |
8b2f0795 DH |
1740 | { |
1741 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1742 | struct usb_host_interface *iface_desc; |
1743 | struct usb_endpoint_descriptor *endpoint; | |
d63b21bf | 1744 | int i, ret; |
8b2f0795 | 1745 | |
1fe3a8fe MCC |
1746 | dprintk(1, "au0828_analog_register called for intf#%d!\n", |
1747 | interface->cur_altsetting->desc.bInterfaceNumber); | |
8b2f0795 | 1748 | |
fc4ce6cd DH |
1749 | /* set au0828 usb interface0 to as5 */ |
1750 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1751 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1752 | if (retval != 0) { |
83afb32a | 1753 | pr_info("Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1754 | return retval; |
1755 | } | |
1756 | ||
1757 | /* Figure out which endpoint has the isoc interface */ | |
1758 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1759 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1760 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1761 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1762 | == USB_DIR_IN) && | |
1763 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1764 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1765 | |
1766 | /* we find our isoc in endpoint */ | |
1767 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1768 | dev->max_pkt_size = (tmp & 0x07ff) * |
1769 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd | 1770 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1fe3a8fe MCC |
1771 | dprintk(1, |
1772 | "Found isoc endpoint 0x%02x, max size = %d\n", | |
1773 | dev->isoc_in_endpointaddr, dev->max_pkt_size); | |
fc4ce6cd DH |
1774 | } |
1775 | } | |
62899a28 | 1776 | if (!(dev->isoc_in_endpointaddr)) { |
83afb32a | 1777 | pr_info("Could not locate isoc endpoint\n"); |
fc4ce6cd DH |
1778 | return -ENODEV; |
1779 | } | |
1780 | ||
8b2f0795 DH |
1781 | init_waitqueue_head(&dev->open); |
1782 | spin_lock_init(&dev->slock); | |
8b2f0795 | 1783 | |
7f8eacd2 | 1784 | /* init video dma queues */ |
8b2f0795 | 1785 | INIT_LIST_HEAD(&dev->vidq.active); |
7f8eacd2 | 1786 | INIT_LIST_HEAD(&dev->vbiq.active); |
8b2f0795 | 1787 | |
30a8f2a0 JL |
1788 | setup_timer(&dev->vid_timeout, au0828_vid_buffer_timeout, |
1789 | (unsigned long)dev); | |
1790 | setup_timer(&dev->vbi_timeout, au0828_vbi_buffer_timeout, | |
1791 | (unsigned long)dev); | |
78ca5005 | 1792 | |
8b2f0795 DH |
1793 | dev->width = NTSC_STD_W; |
1794 | dev->height = NTSC_STD_H; | |
1795 | dev->field_size = dev->width * dev->height; | |
1796 | dev->frame_size = dev->field_size << 1; | |
1797 | dev->bytesperline = dev->width << 1; | |
de8d2bbf HV |
1798 | dev->vbi_width = 720; |
1799 | dev->vbi_height = 1; | |
8b2f0795 | 1800 | dev->ctrl_ainput = 0; |
e1cf6587 | 1801 | dev->ctrl_freq = 960; |
33b6b89b | 1802 | dev->std = V4L2_STD_NTSC_M; |
56230d1e | 1803 | au0828_s_input(dev, 0); |
8b2f0795 | 1804 | |
05439b1a SK |
1805 | mutex_init(&dev->vb_queue_lock); |
1806 | mutex_init(&dev->vb_vbi_queue_lock); | |
1807 | ||
8b2f0795 | 1808 | /* Fill the video capture device struct */ |
41071bb8 SK |
1809 | dev->vdev = au0828_video_template; |
1810 | dev->vdev.v4l2_dev = &dev->v4l2_dev; | |
1811 | dev->vdev.lock = &dev->lock; | |
1812 | dev->vdev.queue = &dev->vb_vidq; | |
1813 | dev->vdev.queue->lock = &dev->vb_queue_lock; | |
1814 | strcpy(dev->vdev.name, "au0828a video"); | |
8b2f0795 DH |
1815 | |
1816 | /* Setup the VBI device */ | |
41071bb8 SK |
1817 | dev->vbi_dev = au0828_video_template; |
1818 | dev->vbi_dev.v4l2_dev = &dev->v4l2_dev; | |
1819 | dev->vbi_dev.lock = &dev->lock; | |
1820 | dev->vbi_dev.queue = &dev->vb_vbiq; | |
1821 | dev->vbi_dev.queue->lock = &dev->vb_vbi_queue_lock; | |
1822 | strcpy(dev->vbi_dev.name, "au0828a vbi"); | |
8b2f0795 | 1823 | |
05439b1a SK |
1824 | /* initialize videobuf2 stuff */ |
1825 | retval = au0828_vb2_setup(dev); | |
1826 | if (retval != 0) { | |
1827 | dprintk(1, "unable to setup videobuf2 queues (error = %d).\n", | |
1828 | retval); | |
41071bb8 | 1829 | return -ENODEV; |
05439b1a SK |
1830 | } |
1831 | ||
8b2f0795 | 1832 | /* Register the v4l2 device */ |
41071bb8 SK |
1833 | video_set_drvdata(&dev->vdev, dev); |
1834 | retval = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1); | |
62899a28 DH |
1835 | if (retval != 0) { |
1836 | dprintk(1, "unable to register video device (error = %d).\n", | |
1837 | retval); | |
d63b21bf | 1838 | ret = -ENODEV; |
05439b1a | 1839 | goto err_reg_vdev; |
8b2f0795 DH |
1840 | } |
1841 | ||
1842 | /* Register the vbi device */ | |
41071bb8 SK |
1843 | video_set_drvdata(&dev->vbi_dev, dev); |
1844 | retval = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, -1); | |
62899a28 DH |
1845 | if (retval != 0) { |
1846 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
1847 | retval); | |
d63b21bf | 1848 | ret = -ENODEV; |
05439b1a | 1849 | goto err_reg_vbi_dev; |
8b2f0795 DH |
1850 | } |
1851 | ||
62899a28 | 1852 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
1853 | |
1854 | return 0; | |
d63b21bf | 1855 | |
05439b1a | 1856 | err_reg_vbi_dev: |
41071bb8 | 1857 | video_unregister_device(&dev->vdev); |
05439b1a SK |
1858 | err_reg_vdev: |
1859 | vb2_queue_release(&dev->vb_vidq); | |
1860 | vb2_queue_release(&dev->vb_vbiq); | |
d63b21bf | 1861 | return ret; |
8b2f0795 DH |
1862 | } |
1863 |