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[media] tm6000: Improve audio standards handling and add SECAM-DK
[deliverable/linux.git] / drivers / staging / tm6000 / tm6000-video.c
CommitLineData
9701dc94 1/*
e28f49b0 2 tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices
9701dc94
MCC		 3
4 Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
5
7c3f53ec
ML		 6 Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
7 - Fixed module load/unload
8
9701dc94
MCC		 9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation version 2
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22#include <linux/module.h>
23#include <linux/delay.h>
24#include <linux/errno.h>
25#include <linux/fs.h>
26#include <linux/kernel.h>
27#include <linux/slab.h>
28#include <linux/mm.h>
29#include <linux/ioport.h>
30#include <linux/init.h>
31#include <linux/sched.h>
32#include <linux/random.h>
33#include <linux/version.h>
34#include <linux/usb.h>
35#include <linux/videodev2.h>
2a8145d4 36#include <media/v4l2-ioctl.h>
9701dc94
MCC		 37#include <linux/interrupt.h>
38#include <linux/kthread.h>
39#include <linux/highmem.h>
40#include <linux/freezer.h>
41
42#include "tm6000-regs.h"
43#include "tm6000.h"
44
45#define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
46
95a83824
ML		 47/* Limits minimum and default number of buffers */
48#define TM6000_MIN_BUF 4
49#define TM6000_DEF_BUF 8
50
5a4b55e2 51#define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */
ee1fc07c 52
9701dc94
MCC		 53/* Declare static vars that will be used as parameters */
54static unsigned int vid_limit = 16; /* Video memory limit, in Mb */
55static int video_nr = -1; /* /dev/videoN, -1 for autodetect */
56
9701dc94
MCC		 57/* Debug level */
58int tm6000_debug;
faa7c134 59EXPORT_SYMBOL_GPL(tm6000_debug);
9701dc94
MCC		 60
61/* supported controls */
62static struct v4l2_queryctrl tm6000_qctrl[] = {
63 {
64 .id = V4L2_CID_BRIGHTNESS,
65 .type = V4L2_CTRL_TYPE_INTEGER,
66 .name = "Brightness",
67 .minimum = 0,
68 .maximum = 255,
69 .step = 1,
70 .default_value = 54,
71 .flags = 0,
72 }, {
73 .id = V4L2_CID_CONTRAST,
74 .type = V4L2_CTRL_TYPE_INTEGER,
75 .name = "Contrast",
76 .minimum = 0,
77 .maximum = 255,
78 .step = 0x1,
79 .default_value = 119,
80 .flags = 0,
81 }, {
82 .id = V4L2_CID_SATURATION,
83 .type = V4L2_CTRL_TYPE_INTEGER,
84 .name = "Saturation",
85 .minimum = 0,
86 .maximum = 255,
87 .step = 0x1,
88 .default_value = 112,
89 .flags = 0,
90 }, {
91 .id = V4L2_CID_HUE,
92 .type = V4L2_CTRL_TYPE_INTEGER,
93 .name = "Hue",
94 .minimum = -128,
95 .maximum = 127,
96 .step = 0x1,
c4acf48c 97 .default_value = 0,
9701dc94
MCC		 98 .flags = 0,
99 }
100};
101
102static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)];
103
104static struct tm6000_fmt format[] = {
105 {
106 .name = "4:2:2, packed, YVY2",
107 .fourcc = V4L2_PIX_FMT_YUYV,
108 .depth = 16,
c4acf48c 109 }, {
9701dc94
MCC		 110 .name = "4:2:2, packed, UYVY",
111 .fourcc = V4L2_PIX_FMT_UYVY,
112 .depth = 16,
c4acf48c 113 }, {
9701dc94
MCC		 114 .name = "A/V + VBI mux packet",
115 .fourcc = V4L2_PIX_FMT_TM6000,
116 .depth = 16,
117 }
118};
119
9701dc94
MCC		 120/* ------------------------------------------------------------------
121 DMA and thread functions
122 ------------------------------------------------------------------*/
123
124#define norm_maxw(a) 720
4475c044 125#define norm_maxh(a) 576
9701dc94 126
9701dc94
MCC		 127#define norm_minw(a) norm_maxw(a)
128#define norm_minh(a) norm_maxh(a)
129
130/*
131 * video-buf generic routine to get the next available buffer
132 */
721f507b 133static inline void get_next_buf(struct tm6000_dmaqueue *dma_q,
c4acf48c 134 struct tm6000_buffer **buf)
9701dc94 135{
c4acf48c 136 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
721f507b 137 char *outp;
9701dc94
MCC		 138
139 if (list_empty(&dma_q->active)) {
c4acf48c 140 dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n");
1f9305b7 141 *buf = NULL;
721f507b 142 return;
9701dc94
MCC		 143 }
144
145 *buf = list_entry(dma_q->active.next,
146 struct tm6000_buffer, vb.queue);
147
721f507b
MCC		 148 if (!buf)
149 return;
150
151 /* Cleans up buffer - Usefull for testing for frame/URB loss */
152 outp = videobuf_to_vmalloc(&(*buf)->vb);
721f507b
MCC		 153
154 return;
9701dc94
MCC		 155}
156
157/*
158 * Announces that a buffer were filled and request the next
159 */
c4acf48c
MCC		 160static inline void buffer_filled(struct tm6000_core *dev,
161 struct tm6000_dmaqueue *dma_q,
162 struct tm6000_buffer *buf)
9701dc94
MCC		 163{
164 /* Advice that buffer was filled */
c4acf48c 165 dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i);
47878f16 166 buf->vb.state = VIDEOBUF_DONE;
9701dc94
MCC		 167 buf->vb.field_count++;
168 do_gettimeofday(&buf->vb.ts);
169
170 list_del(&buf->vb.queue);
171 wake_up(&buf->vb.done);
172}
173
c4acf48c
MCC		 174const char *tm6000_msg_type[] = {
175 "unknown(0)", /* 0 */
176 "video", /* 1 */
177 "audio", /* 2 */
178 "vbi", /* 3 */
179 "pts", /* 4 */
180 "err", /* 5 */
181 "unknown(6)", /* 6 */
182 "unknown(7)", /* 7 */
a228618c
MCC		 183};
184
9701dc94
MCC		 185/*
186 * Identify the tm5600/6000 buffer header type and properly handles
187 */
4b6ed9fd
SR		 188static int copy_streams(u8 *data, unsigned long len,
189 struct urb *urb)
e2c9500d
MCC		 190{
191 struct tm6000_dmaqueue *dma_q = urb->context;
ed0236af 192 struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
83cb9a50 193 u8 *ptr=data, *endp=data+len, c;
ed0236af
MCC		 194 unsigned long header=0;
195 int rc=0;
83cb9a50
SR		 196 unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0;
197 struct tm6000_buffer *vbuf;
198 char *voutp = NULL;
199 unsigned int linewidth;
200
201 /* get video buffer */
202 get_next_buf (dma_q, &vbuf);
203 if (!vbuf)
204 return rc;
205 voutp = videobuf_to_vmalloc(&vbuf->vb);
206 if (!voutp)
4b6ed9fd 207 return 0;
ed0236af 208
83cb9a50 209 for (ptr = data; ptr < endp;) {
ed0236af 210 if (!dev->isoc_ctl.cmd) {
83cb9a50
SR		 211 /* Header */
212 if (dev->isoc_ctl.tmp_buf_len > 0) {
213 /* from last urb or packet */
214 header = dev->isoc_ctl.tmp_buf;
215 if (4 - dev->isoc_ctl.tmp_buf_len > 0) {
216 memcpy ((u8 *)&header +
801dd3b3 217 dev->isoc_ctl.tmp_buf_len,
ed0236af 218 ptr,
801dd3b3
MCC		 219 4 - dev->isoc_ctl.tmp_buf_len);
220 ptr += 4 - dev->isoc_ctl.tmp_buf_len;
ed0236af 221 }
83cb9a50
SR		 222 dev->isoc_ctl.tmp_buf_len = 0;
223 } else {
224 if (ptr + 3 >= endp) {
225 /* have incomplete header */
226 dev->isoc_ctl.tmp_buf_len = endp - ptr;
227 memcpy (&dev->isoc_ctl.tmp_buf, ptr,
228 dev->isoc_ctl.tmp_buf_len);
229 return rc;
230 }
231 /* Seek for sync */
232 for (; ptr < endp - 3; ptr++) {
233 if (*(ptr + 3) == 0x47)
234 break;
235 }
236 /* Get message header */
237 header = *(unsigned long *)ptr;
238 ptr += 4;
ed0236af 239 }
23ba9463 240
83cb9a50
SR		 241 /* split the header fields */
242 c = (header >> 24) & 0xff;
243 size = ((header & 0x7e) << 1);
244 if (size > 0)
245 size -= 4;
246 block = (header >> 7) & 0xf;
247 field = (header >> 11) & 0x1;
248 line = (header >> 12) & 0x1ff;
249 cmd = (header >> 21) & 0x7;
250 /* Validates haeder fields */
251 if (size > TM6000_URB_MSG_LEN)
252 size = TM6000_URB_MSG_LEN;
253 pktsize = TM6000_URB_MSG_LEN;
254 /* calculate position in buffer
255 * and change the buffer
256 */
257 switch (cmd) {
258 case TM6000_URB_MSG_VIDEO:
259 if ((dev->isoc_ctl.vfield != field) &&
260 (field == 1)) {
261 /* Announces that a new buffer
262 * were filled
263 */
264 buffer_filled (dev, dma_q, vbuf);
265 dprintk (dev, V4L2_DEBUG_ISOC,
266 "new buffer filled\n");
267 get_next_buf (dma_q, &vbuf);
268 if (!vbuf)
269 return rc;
270 voutp = videobuf_to_vmalloc (&vbuf->vb);
271 if (!voutp)
272 return rc;
758bb0b3 273 memset(voutp, 0, vbuf->vb.size);
83cb9a50
SR		 274 }
275 linewidth = vbuf->vb.width << 1;
276 pos = ((line << 1) - field - 1) * linewidth +
277 block * TM6000_URB_MSG_LEN;
278 /* Don't allow to write out of the buffer */
279 if (pos + size > vbuf->vb.size)
280 cmd = TM6000_URB_MSG_ERR;
281 dev->isoc_ctl.vfield = field;
282 break;
83cb9a50 283 case TM6000_URB_MSG_VBI:
23ba9463
MCC		 284 break;
285 case TM6000_URB_MSG_AUDIO:
83cb9a50 286 case TM6000_URB_MSG_PTS:
d0669c87 287 size = pktsize; /* Size is always 180 bytes */
83cb9a50 288 break;
9701dc94 289 }
83cb9a50
SR		 290 } else {
291 /* Continue the last copy */
292 cmd = dev->isoc_ctl.cmd;
293 size = dev->isoc_ctl.size;
294 pos = dev->isoc_ctl.pos;
295 pktsize = dev->isoc_ctl.pktsize;
296 }
297 cpysize = (endp - ptr > size) ? size : endp - ptr;
298 if (cpysize) {
299 /* copy data in different buffers */
300 switch (cmd) {
301 case TM6000_URB_MSG_VIDEO:
302 /* Fills video buffer */
303 if (vbuf)
304 memcpy (&voutp[pos], ptr, cpysize);
305 break;
306 case TM6000_URB_MSG_AUDIO:
73f4d265
DB		 307 /* Need some code to copy audio buffer */
308 if (dev->fourcc == V4L2_PIX_FMT_YUYV) {
309 /* Swap word bytes */
310 int i;
311
312 for (i = 0; i < cpysize; i += 2)
313 swab16s((u16 *)(ptr + i));
314 }
b17b8699 315 tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize);
83cb9a50
SR		 316 break;
317 case TM6000_URB_MSG_VBI:
318 /* Need some code to copy vbi buffer */
319 break;
320 case TM6000_URB_MSG_PTS:
321 /* Need some code to copy pts */
322 break;
cc6c60d9 323 }
ed0236af 324 }
ccfb3028 325 if (ptr + pktsize > endp) {
83cb9a50
SR		 326 /* End of URB packet, but cmd processing is not
327 * complete. Preserve the state for a next packet
328 */
329 dev->isoc_ctl.pos = pos + cpysize;
330 dev->isoc_ctl.size = size - cpysize;
331 dev->isoc_ctl.cmd = cmd;
332 dev->isoc_ctl.pktsize = pktsize - (endp - ptr);
ccfb3028 333 ptr += endp - ptr;
83cb9a50
SR		 334 } else {
335 dev->isoc_ctl.cmd = 0;
336 ptr += pktsize;
a228618c 337 }
9701dc94 338 }
a228618c 339 return 0;
9701dc94 340}
83cb9a50 341
9701dc94
MCC		 342/*
343 * Identify the tm5600/6000 buffer header type and properly handles
344 */
4b6ed9fd
SR		 345static int copy_multiplexed(u8 *ptr, unsigned long len,
346 struct urb *urb)
9701dc94
MCC		 347{
348 struct tm6000_dmaqueue *dma_q = urb->context;
ed0236af
MCC		 349 struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
350 unsigned int pos=dev->isoc_ctl.pos,cpysize;
351 int rc=1;
4b6ed9fd
SR		 352 struct tm6000_buffer *buf;
353 char *outp = NULL;
354
355 get_next_buf(dma_q, &buf);
356 if (buf)
357 outp = videobuf_to_vmalloc(&buf->vb);
358
359 if (!outp)
360 return 0;
ed0236af
MCC		 361
362 while (len>0) {
4b6ed9fd
SR		 363 cpysize=min(len,buf->vb.size-pos);
364 //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos);
365 memcpy(&outp[pos], ptr, cpysize);
ed0236af
MCC		 366 pos+=cpysize;
367 ptr+=cpysize;
368 len-=cpysize;
4b6ed9fd 369 if (pos >= buf->vb.size) {
ed0236af 370 pos=0;
9701dc94 371 /* Announces that a new buffer were filled */
4b6ed9fd 372 buffer_filled (dev, dma_q, buf);
5f796752 373 dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n");
4b6ed9fd
SR		 374 get_next_buf (dma_q, &buf);
375 if (!buf)
9701dc94 376 break;
4b6ed9fd
SR		 377 outp = videobuf_to_vmalloc(&(buf->vb));
378 if (!outp)
e8a4845d
MCC		 379 return rc;
380 pos = 0;
9701dc94
MCC		 381 }
382 }
383
ed0236af 384 dev->isoc_ctl.pos=pos;
9701dc94
MCC		 385 return rc;
386}
387
ed0236af
MCC		 388static void inline print_err_status (struct tm6000_core *dev,
389 int packet, int status)
5f796752
MCC		 390{
391 char *errmsg = "Unknown";
392
ed0236af 393 switch(status) {
5f796752
MCC		 394 case -ENOENT:
395 errmsg = "unlinked synchronuously";
396 break;
397 case -ECONNRESET:
398 errmsg = "unlinked asynchronuously";
399 break;
400 case -ENOSR:
401 errmsg = "Buffer error (overrun)";
402 break;
403 case -EPIPE:
404 errmsg = "Stalled (device not responding)";
405 break;
406 case -EOVERFLOW:
407 errmsg = "Babble (bad cable?)";
408 break;
409 case -EPROTO:
410 errmsg = "Bit-stuff error (bad cable?)";
411 break;
412 case -EILSEQ:
413 errmsg = "CRC/Timeout (could be anything)";
414 break;
415 case -ETIME:
416 errmsg = "Device does not respond";
417 break;
418 }
ed0236af 419 if (packet<0) {
5f796752
MCC		 420 dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n",
421 status, errmsg);
422 } else {
ed0236af 423 dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n",
5f796752
MCC		 424 packet, status, errmsg);
425 }
426}
427
428
9701dc94
MCC		 429/*
430 * Controls the isoc copy of each urb packet
431 */
e8a4845d 432static inline int tm6000_isoc_copy(struct urb *urb)
9701dc94
MCC		 433{
434 struct tm6000_dmaqueue *dma_q = urb->context;
ed0236af 435 struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
4b6ed9fd
SR		 436 int i, len=0, rc=1, status;
437 char *p;
9701dc94 438
4b6ed9fd
SR		 439 if (urb->status < 0) {
440 print_err_status (dev, -1, urb->status);
5f796752
MCC		 441 return 0;
442 }
9701dc94
MCC		 443
444 for (i = 0; i < urb->number_of_packets; i++) {
4b6ed9fd 445 status = urb->iso_frame_desc[i].status;
9701dc94 446
ed0236af
MCC		 447 if (status<0) {
448 print_err_status (dev,i,status);
9701dc94 449 continue;
5f796752 450 }
9701dc94 451
4b6ed9fd 452 len = urb->iso_frame_desc[i].actual_length;
ed0236af 453
4b6ed9fd
SR		 454 if (len > 0) {
455 p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
ed0236af 456 if (!urb->iso_frame_desc[i].status) {
4b6ed9fd
SR		 457 if ((dev->fourcc)==V4L2_PIX_FMT_TM6000) {
458 rc=copy_multiplexed(p, len, urb);
ed0236af
MCC		 459 if (rc<=0)
460 return rc;
461 } else {
4b6ed9fd 462 copy_streams(p, len, urb);
ed0236af
MCC		 463 }
464 }
4b6ed9fd 465 }
9701dc94 466 }
9701dc94
MCC		 467 return rc;
468}
469
470/* ------------------------------------------------------------------
471 URB control
472 ------------------------------------------------------------------*/
473
474/*
475 * IRQ callback, called by URB callback
476 */
477static void tm6000_irq_callback(struct urb *urb)
478{
9701dc94 479 struct tm6000_dmaqueue *dma_q = urb->context;
c4acf48c 480 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
e8a4845d 481 int i;
9701dc94 482
721f507b
MCC		 483 if (!dev)
484 return;
a228618c 485
e8a4845d
MCC		 486 spin_lock(&dev->slock);
487 tm6000_isoc_copy(urb);
488 spin_unlock(&dev->slock);
9701dc94 489
e8a4845d
MCC		 490 /* Reset urb buffers */
491 for (i = 0; i < urb->number_of_packets; i++) {
492 urb->iso_frame_desc[i].status = 0;
493 urb->iso_frame_desc[i].actual_length = 0;
494 }
9701dc94 495
c4acf48c
MCC		 496 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
497 if (urb->status)
9701dc94
MCC		 498 tm6000_err("urb resubmit failed (error=%i)\n",
499 urb->status);
9701dc94
MCC		 500}
501
502/*
503 * Stop and Deallocate URBs
504 */
505static void tm6000_uninit_isoc(struct tm6000_core *dev)
506{
507 struct urb *urb;
508 int i;
509
ee1fc07c 510 dev->isoc_ctl.buf = NULL;
9701dc94
MCC		 511 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
512 urb=dev->isoc_ctl.urb[i];
513 if (urb) {
514 usb_kill_urb(urb);
515 usb_unlink_urb(urb);
516 if (dev->isoc_ctl.transfer_buffer[i]) {
5a11b6fe 517 usb_free_coherent(dev->udev,
9701dc94
MCC		 518 urb->transfer_buffer_length,
519 dev->isoc_ctl.transfer_buffer[i],
520 urb->transfer_dma);
521 }
522 usb_free_urb(urb);
523 dev->isoc_ctl.urb[i] = NULL;
524 }
525 dev->isoc_ctl.transfer_buffer[i] = NULL;
526 }
527
528 kfree (dev->isoc_ctl.urb);
529 kfree (dev->isoc_ctl.transfer_buffer);
c144c037 530
9701dc94
MCC		 531 dev->isoc_ctl.urb=NULL;
532 dev->isoc_ctl.transfer_buffer=NULL;
c144c037 533 dev->isoc_ctl.num_bufs = 0;
9701dc94
MCC		 534}
535
9701dc94
MCC		 536/*
537 * Allocate URBs and start IRQ
538 */
ee1fc07c 539static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize)
9701dc94
MCC		 540{
541 struct tm6000_dmaqueue *dma_q = &dev->vidq;
5a4b55e2 542 int i, j, sb_size, pipe, size, max_packets, num_bufs = 8;
9701dc94 543 struct urb *urb;
204193d9 544
9701dc94
MCC		 545 /* De-allocates all pending stuff */
546 tm6000_uninit_isoc(dev);
547
6ae635c4
MCC		 548 usb_set_interface(dev->udev,
549 dev->isoc_in.bInterfaceNumber,
550 dev->isoc_in.bAlternateSetting);
551
ee1fc07c 552 pipe = usb_rcvisocpipe(dev->udev,
6ae635c4 553 dev->isoc_in.endp->desc.bEndpointAddress &
ee1fc07c
MCC		 554 USB_ENDPOINT_NUMBER_MASK);
555
556 size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
557
6ae635c4
MCC		 558 if (size > dev->isoc_in.maxsize)
559 size = dev->isoc_in.maxsize;
ee1fc07c
MCC		 560
561 dev->isoc_ctl.max_pkt_size = size;
562
563 max_packets = ( framesize + size - 1) / size;
564
565 if (max_packets > TM6000_MAX_ISO_PACKETS)
566 max_packets = TM6000_MAX_ISO_PACKETS;
567
568 sb_size = max_packets * size;
569
570 dev->isoc_ctl.num_bufs = num_bufs;
571
c144c037 572 dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL);
9701dc94
MCC		 573 if (!dev->isoc_ctl.urb) {
574 tm6000_err("cannot alloc memory for usb buffers\n");
575 return -ENOMEM;
576 }
577
ee1fc07c 578 dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs,
9701dc94 579 GFP_KERNEL);
f8960ee7 580 if (!dev->isoc_ctl.transfer_buffer) {
9701dc94
MCC		 581 tm6000_err("cannot allocate memory for usbtransfer\n");
582 kfree(dev->isoc_ctl.urb);
583 return -ENOMEM;
584 }
585
ee1fc07c
MCC		 586 dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets"
587 " (%d bytes) of %d bytes each to handle %u size\n",
588 max_packets, num_bufs, sb_size,
6ae635c4 589 dev->isoc_in.maxsize, size);
9701dc94
MCC		 590
591 /* allocate urbs and transfer buffers */
592 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
593 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
594 if (!urb) {
595 tm6000_err("cannot alloc isoc_ctl.urb %i\n", i);
596 tm6000_uninit_isoc(dev);
c1a16414 597 usb_free_urb(urb);
9701dc94
MCC		 598 return -ENOMEM;
599 }
600 dev->isoc_ctl.urb[i] = urb;
601
5a11b6fe 602 dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev,
c13dd704 603 sb_size, GFP_KERNEL, &urb->transfer_dma);
9701dc94
MCC		 604 if (!dev->isoc_ctl.transfer_buffer[i]) {
605 tm6000_err ("unable to allocate %i bytes for transfer"
a228618c
MCC		 606 " buffer %i%s\n",
607 sb_size, i,
608 in_interrupt()?" while in int":"");
9701dc94
MCC		 609 tm6000_uninit_isoc(dev);
610 return -ENOMEM;
611 }
612 memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size);
613
ee1fc07c
MCC		 614 usb_fill_bulk_urb(urb, dev->udev, pipe,
615 dev->isoc_ctl.transfer_buffer[i], sb_size,
616 tm6000_irq_callback, dma_q);
6ae635c4 617 urb->interval = dev->isoc_in.endp->desc.bInterval;
9701dc94 618 urb->number_of_packets = max_packets;
ee1fc07c 619 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
9701dc94 620
9701dc94 621 for (j = 0; j < max_packets; j++) {
ee1fc07c
MCC		 622 urb->iso_frame_desc[j].offset = size * j;
623 urb->iso_frame_desc[j].length = size;
9701dc94
MCC		 624 }
625 }
626
627 return 0;
628}
629
c144c037 630static int tm6000_start_thread( struct tm6000_core *dev)
9701dc94 631{
c144c037
MCC		 632 struct tm6000_dmaqueue *dma_q = &dev->vidq;
633 int i;
9701dc94
MCC		 634
635 dma_q->frame=0;
636 dma_q->ini_jiffies=jiffies;
637
638 init_waitqueue_head(&dma_q->wq);
639
640 /* submit urbs and enables IRQ */
641 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
c144c037 642 int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
9701dc94
MCC		 643 if (rc) {
644 tm6000_err("submit of urb %i failed (error=%i)\n", i,
645 rc);
646 tm6000_uninit_isoc(dev);
647 return rc;
648 }
649 }
650
9701dc94
MCC		 651 return 0;
652}
653
9701dc94
MCC		 654/* ------------------------------------------------------------------
655 Videobuf operations
656 ------------------------------------------------------------------*/
95a83824 657
9701dc94
MCC		 658static int
659buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
660{
661 struct tm6000_fh *fh = vq->priv_data;
662
663 *size = fh->fmt->depth * fh->width * fh->height >> 3;
664 if (0 == *count)
95a83824
ML		 665 *count = TM6000_DEF_BUF;
666
667 if (*count < TM6000_MIN_BUF) {
668 *count=TM6000_MIN_BUF;
669 }
670
9701dc94
MCC		 671 while (*size * *count > vid_limit * 1024 * 1024)
672 (*count)--;
95a83824 673
9701dc94
MCC		 674 return 0;
675}
676
677static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf)
678{
721f507b
MCC		 679 struct tm6000_fh *fh = vq->priv_data;
680 struct tm6000_core *dev = fh->dev;
681 unsigned long flags;
682
9701dc94
MCC		 683 if (in_interrupt())
684 BUG();
685
721f507b
MCC		 686 /* We used to wait for the buffer to finish here, but this didn't work
687 because, as we were keeping the state as VIDEOBUF_QUEUED,
688 videobuf_queue_cancel marked it as finished for us.
689 (Also, it could wedge forever if the hardware was misconfigured.)
690
691 This should be safe; by the time we get here, the buffer isn't
692 queued anymore. If we ever start marking the buffers as
693 VIDEOBUF_ACTIVE, it won't be, though.
694 */
695 spin_lock_irqsave(&dev->slock, flags);
696 if (dev->isoc_ctl.buf == buf)
697 dev->isoc_ctl.buf = NULL;
698 spin_unlock_irqrestore(&dev->slock, flags);
699
9701dc94 700 videobuf_vmalloc_free(&buf->vb);
47878f16 701 buf->vb.state = VIDEOBUF_NEEDS_INIT;
9701dc94
MCC		 702}
703
704static int
705buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
706 enum v4l2_field field)
707{
708 struct tm6000_fh *fh = vq->priv_data;
709 struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
710 struct tm6000_core *dev = fh->dev;
204193d9 711 int rc = 0, urb_init = 0;
9701dc94
MCC		 712
713 BUG_ON(NULL == fh->fmt);
714
9701dc94
MCC		 715
716 /* FIXME: It assumes depth=2 */
717 /* The only currently supported format is 16 bits/pixel */
718 buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3;
719 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
720 return -EINVAL;
721
722 if (buf->fmt != fh->fmt ||
723 buf->vb.width != fh->width ||
724 buf->vb.height != fh->height ||
725 buf->vb.field != field) {
726 buf->fmt = fh->fmt;
727 buf->vb.width = fh->width;
728 buf->vb.height = fh->height;
729 buf->vb.field = field;
47878f16 730 buf->vb.state = VIDEOBUF_NEEDS_INIT;
9701dc94
MCC		 731 }
732
47878f16 733 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
ee1fc07c 734 if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL)))
9701dc94 735 goto fail;
ee1fc07c 736 urb_init = 1;
9701dc94
MCC		 737 }
738
9701dc94 739 if (!dev->isoc_ctl.num_bufs)
ee1fc07c 740 urb_init = 1;
9701dc94
MCC		 741
742 if (urb_init) {
ee1fc07c 743 rc = tm6000_prepare_isoc(dev, buf->vb.size);
c144c037
MCC		 744 if (rc < 0)
745 goto fail;
ee1fc07c 746
c144c037 747 rc = tm6000_start_thread(dev);
ee1fc07c 748 if (rc < 0)
9701dc94 749 goto fail;
c144c037 750
9701dc94
MCC		 751 }
752
47878f16 753 buf->vb.state = VIDEOBUF_PREPARED;
9701dc94
MCC		 754 return 0;
755
756fail:
ee1fc07c 757 free_buffer(vq, buf);
9701dc94
MCC		 758 return rc;
759}
760
761static void
762buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
763{
764 struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
765 struct tm6000_fh *fh = vq->priv_data;
766 struct tm6000_core *dev = fh->dev;
767 struct tm6000_dmaqueue *vidq = &dev->vidq;
c144c037
MCC		 768
769 buf->vb.state = VIDEOBUF_QUEUED;
770 list_add_tail(&buf->vb.queue, &vidq->active);
9701dc94
MCC		 771}
772
773static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb)
774{
775 struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
9701dc94
MCC		 776
777 free_buffer(vq,buf);
778}
779
780static struct videobuf_queue_ops tm6000_video_qops = {
781 .buf_setup = buffer_setup,
782 .buf_prepare = buffer_prepare,
783 .buf_queue = buffer_queue,
784 .buf_release = buffer_release,
785};
786
787/* ------------------------------------------------------------------
788 IOCTL handling
789 ------------------------------------------------------------------*/
790
791static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh)
792{
793 /* is it free? */
794 mutex_lock(&dev->lock);
795 if (dev->resources) {
796 /* no, someone else uses it */
797 mutex_unlock(&dev->lock);
798 return 0;
799 }
800 /* it's free, grab it */
801 dev->resources =1;
802 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n");
803 mutex_unlock(&dev->lock);
804 return 1;
805}
806
807static int res_locked(struct tm6000_core *dev)
808{
809 return (dev->resources);
810}
811
812static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh)
813{
814 mutex_lock(&dev->lock);
815 dev->resources = 0;
816 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n");
817 mutex_unlock(&dev->lock);
818}
819
820/* ------------------------------------------------------------------
821 IOCTL vidioc handling
822 ------------------------------------------------------------------*/
823static int vidioc_querycap (struct file *file, void *priv,
824 struct v4l2_capability *cap)
825{
826 // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
827
828 strlcpy(cap->driver, "tm6000", sizeof(cap->driver));
e28f49b0 829 strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card));
9701dc94
MCC		 830 // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info));
831 cap->version = TM6000_VERSION;
832 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
833 V4L2_CAP_STREAMING |
834 V4L2_CAP_TUNER |
835 V4L2_CAP_READWRITE;
836 return 0;
837}
838
2a8145d4 839static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 840 struct v4l2_fmtdesc *f)
841{
842 if (unlikely(f->index >= ARRAY_SIZE(format)))
843 return -EINVAL;
844
845 strlcpy(f->description,format[f->index].name,sizeof(f->description));
846 f->pixelformat = format[f->index].fourcc;
847 return 0;
848}
849
2a8145d4 850static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 851 struct v4l2_format *f)
852{
853 struct tm6000_fh *fh=priv;
854
855 f->fmt.pix.width = fh->width;
856 f->fmt.pix.height = fh->height;
857 f->fmt.pix.field = fh->vb_vidq.field;
858 f->fmt.pix.pixelformat = fh->fmt->fourcc;
859 f->fmt.pix.bytesperline =
860 (f->fmt.pix.width * fh->fmt->depth) >> 3;
861 f->fmt.pix.sizeimage =
862 f->fmt.pix.height * f->fmt.pix.bytesperline;
863
864 return (0);
865}
866
867static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc)
868{
869 unsigned int i;
870
871 for (i = 0; i < ARRAY_SIZE(format); i++)
872 if (format[i].fourcc == fourcc)
873 return format+i;
874 return NULL;
875}
876
2a8145d4 877static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 878 struct v4l2_format *f)
879{
880 struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
881 struct tm6000_fmt *fmt;
882 enum v4l2_field field;
883
884 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
885 if (NULL == fmt) {
886 dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)"
887 " invalid.\n", f->fmt.pix.pixelformat);
888 return -EINVAL;
889 }
890
891 field = f->fmt.pix.field;
892
893 if (field == V4L2_FIELD_ANY) {
894// field=V4L2_FIELD_INTERLACED;
895 field=V4L2_FIELD_SEQ_TB;
896 } else if (V4L2_FIELD_INTERLACED != field) {
897 dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n");
898 return -EINVAL;
899 }
900
4475c044 901 tm6000_get_std_res (dev);
9701dc94 902
4475c044
MCC		 903 f->fmt.pix.width = dev->width;
904 f->fmt.pix.height = dev->height;
9701dc94
MCC		 905
906 f->fmt.pix.width &= ~0x01;
907
908 f->fmt.pix.field = field;
909
910 f->fmt.pix.bytesperline =
911 (f->fmt.pix.width * fmt->depth) >> 3;
912 f->fmt.pix.sizeimage =
913 f->fmt.pix.height * f->fmt.pix.bytesperline;
914
915 return 0;
916}
917
918/*FIXME: This seems to be generic enough to be at videodev2 */
2a8145d4 919static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 920 struct v4l2_format *f)
921{
922 struct tm6000_fh *fh=priv;
923 struct tm6000_core *dev = fh->dev;
2a8145d4 924 int ret = vidioc_try_fmt_vid_cap(file,fh,f);
9701dc94
MCC		 925 if (ret < 0)
926 return (ret);
927
928 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
929 fh->width = f->fmt.pix.width;
930 fh->height = f->fmt.pix.height;
931 fh->vb_vidq.field = f->fmt.pix.field;
932 fh->type = f->type;
933
934 dev->fourcc = f->fmt.pix.pixelformat;
935
936 tm6000_set_fourcc_format(dev);
937
938 return (0);
939}
940
941static int vidioc_reqbufs (struct file *file, void *priv,
942 struct v4l2_requestbuffers *p)
943{
944 struct tm6000_fh *fh=priv;
945
946 return (videobuf_reqbufs(&fh->vb_vidq, p));
947}
948
949static int vidioc_querybuf (struct file *file, void *priv,
950 struct v4l2_buffer *p)
951{
952 struct tm6000_fh *fh=priv;
953
954 return (videobuf_querybuf(&fh->vb_vidq, p));
955}
956
957static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
958{
959 struct tm6000_fh *fh=priv;
960
961 return (videobuf_qbuf(&fh->vb_vidq, p));
962}
963
964static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
965{
966 struct tm6000_fh *fh=priv;
967
968 return (videobuf_dqbuf(&fh->vb_vidq, p,
969 file->f_flags & O_NONBLOCK));
970}
971
972#ifdef CONFIG_VIDEO_V4L1_COMPAT
973static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
974{
975 struct tm6000_fh *fh=priv;
976
977 return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8);
978}
979#endif
980
981static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
982{
983 struct tm6000_fh *fh=priv;
984 struct tm6000_core *dev = fh->dev;
985
986 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
987 return -EINVAL;
988 if (i != fh->type)
989 return -EINVAL;
990
991 if (!res_get(dev,fh))
992 return -EBUSY;
993 return (videobuf_streamon(&fh->vb_vidq));
994}
995
996static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
997{
998 struct tm6000_fh *fh=priv;
999 struct tm6000_core *dev = fh->dev;
1000
1001 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1002 return -EINVAL;
1003 if (i != fh->type)
1004 return -EINVAL;
1005
1006 videobuf_streamoff(&fh->vb_vidq);
1007 res_free(dev,fh);
1008
1009 return (0);
1010}
1011
1012static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm)
1013{
1014 int rc=0;
1015 struct tm6000_fh *fh=priv;
1016 struct tm6000_core *dev = fh->dev;
1017
709944ea
MCC		 1018 rc = tm6000_set_standard(dev, norm);
1019 rc = tm6000_init_analog_mode(dev);
71e7cfae
MCC		 1020
1021 fh->width = dev->width;
1022 fh->height = dev->height;
1023
9701dc94
MCC		 1024 if (rc<0)
1025 return rc;
1026
427f7fac 1027 v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
9701dc94
MCC		 1028
1029 return 0;
1030}
1031
1032static int vidioc_enum_input (struct file *file, void *priv,
1033 struct v4l2_input *inp)
1034{
1035 switch (inp->index) {
1036 case TM6000_INPUT_TV:
1037 inp->type = V4L2_INPUT_TYPE_TUNER;
1038 strcpy(inp->name,"Television");
1039 break;
1040 case TM6000_INPUT_COMPOSITE:
1041 inp->type = V4L2_INPUT_TYPE_CAMERA;
1042 strcpy(inp->name,"Composite");
1043 break;
1044 case TM6000_INPUT_SVIDEO:
1045 inp->type = V4L2_INPUT_TYPE_CAMERA;
1046 strcpy(inp->name,"S-Video");
1047 break;
1048 default:
1049 return -EINVAL;
1050 }
1051 inp->std = TM6000_STD;
1052
1053 return 0;
1054}
1055
1056static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1057{
1058 struct tm6000_fh *fh=priv;
1059 struct tm6000_core *dev = fh->dev;
1060
1061 *i=dev->input;
1062
1063 return 0;
1064}
1065static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1066{
1067 struct tm6000_fh *fh=priv;
1068 struct tm6000_core *dev = fh->dev;
1069 int rc=0;
1070 char buf[1];
1071
1072 switch (i) {
1073 case TM6000_INPUT_TV:
1074 dev->input=i;
1075 *buf=0;
1076 break;
1077 case TM6000_INPUT_COMPOSITE:
1078 case TM6000_INPUT_SVIDEO:
1079 dev->input=i;
1080 *buf=1;
1081 break;
1082 default:
1083 return -EINVAL;
1084 }
1085 rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR,
1086 REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1);
1087
1088 if (!rc) {
1089 dev->input=i;
7c3f53ec 1090 rc=vidioc_s_std (file, priv, &dev->vfd->current_norm);
9701dc94
MCC		 1091 }
1092
1093 return (rc);
1094}
1095
1096 /* --- controls ---------------------------------------------- */
1097static int vidioc_queryctrl (struct file *file, void *priv,
1098 struct v4l2_queryctrl *qc)
1099{
1100 int i;
1101
1102 for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
1103 if (qc->id && qc->id == tm6000_qctrl[i].id) {
1104 memcpy(qc, &(tm6000_qctrl[i]),
1105 sizeof(*qc));
1106 return (0);
1107 }
1108
1109 return -EINVAL;
1110}
1111
1112static int vidioc_g_ctrl (struct file *file, void *priv,
1113 struct v4l2_control *ctrl)
1114{
1115 struct tm6000_fh *fh=priv;
1116 struct tm6000_core *dev = fh->dev;
1117 int val;
1118
1119 /* FIXME: Probably, those won't work! Maybe we need shadow regs */
1120 switch (ctrl->id) {
1121 case V4L2_CID_CONTRAST:
9afec493 1122 val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0);
9701dc94
MCC		 1123 break;
1124 case V4L2_CID_BRIGHTNESS:
9afec493 1125 val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0);
9701dc94
MCC		 1126 return 0;
1127 case V4L2_CID_SATURATION:
9afec493 1128 val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0);
9701dc94
MCC		 1129 return 0;
1130 case V4L2_CID_HUE:
9afec493 1131 val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0);
9701dc94
MCC		 1132 return 0;
1133 default:
1134 return -EINVAL;
1135 }
1136
1137 if (val<0)
1138 return val;
1139
1140 ctrl->value=val;
1141
1142 return 0;
1143}
1144static int vidioc_s_ctrl (struct file *file, void *priv,
1145 struct v4l2_control *ctrl)
1146{
1147 struct tm6000_fh *fh =priv;
1148 struct tm6000_core *dev = fh->dev;
1149 u8 val=ctrl->value;
1150
1151 switch (ctrl->id) {
1152 case V4L2_CID_CONTRAST:
9afec493 1153 tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val);
9701dc94
MCC		 1154 return 0;
1155 case V4L2_CID_BRIGHTNESS:
9afec493 1156 tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val);
9701dc94
MCC		 1157 return 0;
1158 case V4L2_CID_SATURATION:
9afec493 1159 tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val);
9701dc94
MCC		 1160 return 0;
1161 case V4L2_CID_HUE:
9afec493 1162 tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val);
9701dc94
MCC		 1163 return 0;
1164 }
1165 return -EINVAL;
1166}
1167
1168static int vidioc_g_tuner (struct file *file, void *priv,
1169 struct v4l2_tuner *t)
1170{
1171 struct tm6000_fh *fh =priv;
1172 struct tm6000_core *dev = fh->dev;
1173
1174 if (unlikely(UNSET == dev->tuner_type))
1175 return -EINVAL;
1176 if (0 != t->index)
1177 return -EINVAL;
1178
1179 strcpy(t->name, "Television");
1180 t->type = V4L2_TUNER_ANALOG_TV;
1181 t->capability = V4L2_TUNER_CAP_NORM;
1182 t->rangehigh = 0xffffffffUL;
1183 t->rxsubchans = V4L2_TUNER_SUB_MONO;
1184
1185 return 0;
1186}
1187
1188static int vidioc_s_tuner (struct file *file, void *priv,
1189 struct v4l2_tuner *t)
1190{
1191 struct tm6000_fh *fh =priv;
1192 struct tm6000_core *dev = fh->dev;
1193
1194 if (UNSET == dev->tuner_type)
1195 return -EINVAL;
1196 if (0 != t->index)
1197 return -EINVAL;
1198
1199 return 0;
1200}
1201
1202static int vidioc_g_frequency (struct file *file, void *priv,
1203 struct v4l2_frequency *f)
1204{
1205 struct tm6000_fh *fh =priv;
1206 struct tm6000_core *dev = fh->dev;
1207
1208 if (unlikely(UNSET == dev->tuner_type))
1209 return -EINVAL;
1210
1211 f->type = V4L2_TUNER_ANALOG_TV;
1212 f->frequency = dev->freq;
1213
427f7fac 1214 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f);
9701dc94
MCC		 1215
1216 return 0;
1217}
1218
1219static int vidioc_s_frequency (struct file *file, void *priv,
1220 struct v4l2_frequency *f)
1221{
1222 struct tm6000_fh *fh =priv;
1223 struct tm6000_core *dev = fh->dev;
1224
1225 if (unlikely(f->type != V4L2_TUNER_ANALOG_TV))
1226 return -EINVAL;
1227
1228 if (unlikely(UNSET == dev->tuner_type))
1229 return -EINVAL;
1230 if (unlikely(f->tuner != 0))
1231 return -EINVAL;
1232
1233// mutex_lock(&dev->lock);
1234 dev->freq = f->frequency;
64d339d4 1235 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
9701dc94
MCC		 1236// mutex_unlock(&dev->lock);
1237
1238 return 0;
1239}
1240
1241/* ------------------------------------------------------------------
1242 File operations for the device
1243 ------------------------------------------------------------------*/
1244
64d339d4 1245static int tm6000_open(struct file *file)
9701dc94 1246{
0a34df53
MCC		 1247 struct video_device *vdev = video_devdata(file);
1248 struct tm6000_core *dev = video_drvdata(file);
9701dc94 1249 struct tm6000_fh *fh;
e8d04167 1250 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
9701dc94
MCC		 1251 int i,rc;
1252
0a34df53
MCC		 1253 printk(KERN_INFO "tm6000: open called (dev=%s)\n",
1254 video_device_node_name(vdev));
7c3f53ec 1255
0a34df53
MCC		 1256 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n",
1257 video_device_node_name(vdev));
9701dc94 1258
9701dc94
MCC		 1259
1260 /* If more than one user, mutex should be added */
1261 dev->users++;
1262
0a34df53
MCC		 1263 dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n",
1264 video_device_node_name(vdev), v4l2_type_names[type],
1265 dev->users);
9701dc94
MCC		 1266
1267 /* allocate + initialize per filehandle data */
1268 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1269 if (NULL == fh) {
1270 dev->users--;
1271 return -ENOMEM;
1272 }
1273
1274 file->private_data = fh;
1275 fh->dev = dev;
1276
1277 fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1278 dev->fourcc = format[0].fourcc;
1279
1280 fh->fmt = format_by_fourcc(dev->fourcc);
4475c044
MCC		 1281
1282 tm6000_get_std_res (dev);
1283
1284 fh->width = dev->width;
1285 fh->height = dev->height;
9701dc94
MCC		 1286
1287 dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, "
1288 "dev->vidq=0x%08lx\n",
1289 (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq);
1290 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
1291 "queued=%d\n",list_empty(&dev->vidq.queued));
1292 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
1293 "active=%d\n",list_empty(&dev->vidq.active));
1294
1295 /* initialize hardware on analog mode */
709944ea
MCC		 1296// if (dev->mode!=TM6000_MODE_ANALOG) {
1297// rc = tm6000_set_standard(dev, dev->norm);
1298 rc += tm6000_init_analog_mode(dev);
1299 if (rc < 0)
9701dc94
MCC		 1300 return rc;
1301
1302 /* Put all controls at a sane state */
1303 for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
1304 qctl_regs[i] =tm6000_qctrl[i].default_value;
1305
1306 dev->mode=TM6000_MODE_ANALOG;
709944ea 1307// }
9701dc94
MCC		 1308
1309 videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops,
1310 NULL, &dev->slock,
1311 fh->type,
1312 V4L2_FIELD_INTERLACED,
08bff03e 1313 sizeof(struct tm6000_buffer), fh, NULL);
9701dc94
MCC		 1314
1315 return 0;
1316}
1317
1318static ssize_t
1319tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos)
1320{
1321 struct tm6000_fh *fh = file->private_data;
1322
1323 if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1324 if (res_locked(fh->dev))
1325 return -EBUSY;
1326
1327 return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0,
1328 file->f_flags & O_NONBLOCK);
1329 }
1330 return 0;
1331}
1332
1333static unsigned int
1334tm6000_poll(struct file *file, struct poll_table_struct *wait)
1335{
1336 struct tm6000_fh *fh = file->private_data;
1337 struct tm6000_buffer *buf;
1338
1339 if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
1340 return POLLERR;
1341
1342 if (res_get(fh->dev,fh)) {
1343 /* streaming capture */
1344 if (list_empty(&fh->vb_vidq.stream))
1345 return POLLERR;
1346 buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream);
1347 } else {
1348 /* read() capture */
dc6a02aa
MCC		 1349 return videobuf_poll_stream(file, &fh->vb_vidq,
1350 wait);
9701dc94
MCC		 1351 }
1352 poll_wait(file, &buf->vb.done, wait);
47878f16
MCC		 1353 if (buf->vb.state == VIDEOBUF_DONE ||
1354 buf->vb.state == VIDEOBUF_ERROR)
9701dc94
MCC		 1355 return POLLIN|POLLRDNORM;
1356 return 0;
1357}
1358
64d339d4 1359static int tm6000_release(struct file *file)
9701dc94
MCC		 1360{
1361 struct tm6000_fh *fh = file->private_data;
1362 struct tm6000_core *dev = fh->dev;
0a34df53 1363 struct video_device *vdev = video_devdata(file);
9701dc94 1364
0a34df53
MCC		 1365 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n",
1366 video_device_node_name(vdev), dev->users);
7c3f53ec 1367
a58d35cb
MCC		 1368 dev->users--;
1369
1370 if (!dev->users) {
c144c037 1371 tm6000_uninit_isoc(dev);
a58d35cb
MCC		 1372 videobuf_mmap_free(&fh->vb_vidq);
1373 }
9701dc94
MCC		 1374
1375 kfree (fh);
1376
9701dc94
MCC		 1377 return 0;
1378}
1379
1380static int tm6000_mmap(struct file *file, struct vm_area_struct * vma)
1381{
1382 struct tm6000_fh *fh = file->private_data;
1383 int ret;
1384
1385 ret=videobuf_mmap_mapper(&fh->vb_vidq, vma);
1386
1387 return ret;
1388}
1389
64d339d4 1390static struct v4l2_file_operations tm6000_fops = {
9701dc94
MCC		 1391 .owner = THIS_MODULE,
1392 .open = tm6000_open,
1393 .release = tm6000_release,
1394 .ioctl = video_ioctl2, /* V4L2 ioctl handler */
1395 .read = tm6000_read,
1396 .poll = tm6000_poll,
1397 .mmap = tm6000_mmap,
9701dc94
MCC		 1398};
1399
2a8145d4
MCC		 1400static const struct v4l2_ioctl_ops video_ioctl_ops = {
1401 .vidioc_querycap = vidioc_querycap,
1402 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1403 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1404 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1405 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1406 .vidioc_s_std = vidioc_s_std,
1407 .vidioc_enum_input = vidioc_enum_input,
1408 .vidioc_g_input = vidioc_g_input,
1409 .vidioc_s_input = vidioc_s_input,
1410 .vidioc_queryctrl = vidioc_queryctrl,
1411 .vidioc_g_ctrl = vidioc_g_ctrl,
1412 .vidioc_s_ctrl = vidioc_s_ctrl,
1413 .vidioc_g_tuner = vidioc_g_tuner,
1414 .vidioc_s_tuner = vidioc_s_tuner,
1415 .vidioc_g_frequency = vidioc_g_frequency,
1416 .vidioc_s_frequency = vidioc_s_frequency,
1417 .vidioc_streamon = vidioc_streamon,
1418 .vidioc_streamoff = vidioc_streamoff,
1419 .vidioc_reqbufs = vidioc_reqbufs,
1420 .vidioc_querybuf = vidioc_querybuf,
1421 .vidioc_qbuf = vidioc_qbuf,
1422 .vidioc_dqbuf = vidioc_dqbuf,
1423#ifdef CONFIG_VIDEO_V4L1_COMPAT
1424 .vidiocgmbuf = vidiocgmbuf,
1425#endif
1426};
1427
9701dc94
MCC		 1428static struct video_device tm6000_template = {
1429 .name = "tm6000",
9701dc94 1430 .fops = &tm6000_fops,
2a8145d4 1431 .ioctl_ops = &video_ioctl_ops,
9701dc94 1432 .release = video_device_release,
2a8145d4
MCC		 1433 .tvnorms = TM6000_STD,
1434 .current_norm = V4L2_STD_NTSC_M,
9701dc94 1435};
2a8145d4 1436
9701dc94
MCC		 1437/* -----------------------------------------------------------------
1438 Initialization and module stuff
1439 ------------------------------------------------------------------*/
1440
1441int tm6000_v4l2_register(struct tm6000_core *dev)
1442{
7c3f53ec
ML		 1443 int ret = -1;
1444 struct video_device *vfd;
1445
1446 vfd = video_device_alloc();
1447 if(!vfd) {
1448 return -ENOMEM;
1449 }
1450 dev->vfd = vfd;
9701dc94 1451
9701dc94
MCC		 1452 /* init video dma queues */
1453 INIT_LIST_HEAD(&dev->vidq.active);
1454 INIT_LIST_HEAD(&dev->vidq.queued);
1455
7c3f53ec
ML		 1456 memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd)));
1457 dev->vfd->debug=tm6000_debug;
427f7fac 1458 vfd->v4l2_dev = &dev->v4l2_dev;
e8d04167 1459 video_set_drvdata(vfd, dev);
9701dc94 1460
7c3f53ec 1461 ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr);
e28f49b0 1462 printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret);
9701dc94
MCC		 1463 return ret;
1464}
1465
1466int tm6000_v4l2_unregister(struct tm6000_core *dev)
1467{
7c3f53ec 1468 video_unregister_device(dev->vfd);
22927e8e 1469
9701dc94
MCC		 1470 return 0;
1471}
1472
1473int tm6000_v4l2_exit(void)
1474{
1475 return 0;
1476}
1477
1478module_param(video_nr, int, 0);
1479MODULE_PARM_DESC(video_nr,"Allow changing video device number");
1480
1481module_param_named (debug, tm6000_debug, int, 0444);
1482MODULE_PARM_DESC(debug,"activates debug info");
1483
1484module_param(vid_limit,int,0644);
1485MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
1486
Linux kernel - Deliverables
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