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V4L/DVB (13554a): v4l: Use the video_drvdata function in drivers
[net-next-2.6.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
ee1fc07c
MCC		 51#define TM6000_MAX_ISO_PACKETS 40 /* Max number of ISO packets */
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;
59
60/* supported controls */
61static struct v4l2_queryctrl tm6000_qctrl[] = {
62 {
63 .id = V4L2_CID_BRIGHTNESS,
64 .type = V4L2_CTRL_TYPE_INTEGER,
65 .name = "Brightness",
66 .minimum = 0,
67 .maximum = 255,
68 .step = 1,
69 .default_value = 54,
70 .flags = 0,
71 }, {
72 .id = V4L2_CID_CONTRAST,
73 .type = V4L2_CTRL_TYPE_INTEGER,
74 .name = "Contrast",
75 .minimum = 0,
76 .maximum = 255,
77 .step = 0x1,
78 .default_value = 119,
79 .flags = 0,
80 }, {
81 .id = V4L2_CID_SATURATION,
82 .type = V4L2_CTRL_TYPE_INTEGER,
83 .name = "Saturation",
84 .minimum = 0,
85 .maximum = 255,
86 .step = 0x1,
87 .default_value = 112,
88 .flags = 0,
89 }, {
90 .id = V4L2_CID_HUE,
91 .type = V4L2_CTRL_TYPE_INTEGER,
92 .name = "Hue",
93 .minimum = -128,
94 .maximum = 127,
95 .step = 0x1,
c4acf48c 96 .default_value = 0,
9701dc94
MCC		 97 .flags = 0,
98 }
99};
100
101static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)];
102
103static struct tm6000_fmt format[] = {
104 {
105 .name = "4:2:2, packed, YVY2",
106 .fourcc = V4L2_PIX_FMT_YUYV,
107 .depth = 16,
c4acf48c 108 }, {
9701dc94
MCC		 109 .name = "4:2:2, packed, UYVY",
110 .fourcc = V4L2_PIX_FMT_UYVY,
111 .depth = 16,
c4acf48c 112 }, {
9701dc94
MCC		 113 .name = "A/V + VBI mux packet",
114 .fourcc = V4L2_PIX_FMT_TM6000,
115 .depth = 16,
116 }
117};
118
9701dc94
MCC		 119/* ------------------------------------------------------------------
120 DMA and thread functions
121 ------------------------------------------------------------------*/
122
123#define norm_maxw(a) 720
4475c044 124#define norm_maxh(a) 576
9701dc94 125
9701dc94
MCC		 126#define norm_minw(a) norm_maxw(a)
127#define norm_minh(a) norm_maxh(a)
128
129/*
130 * video-buf generic routine to get the next available buffer
131 */
721f507b 132static inline void get_next_buf(struct tm6000_dmaqueue *dma_q,
c4acf48c 133 struct tm6000_buffer **buf)
9701dc94 134{
c4acf48c 135 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
721f507b 136 char *outp;
9701dc94
MCC		 137
138 if (list_empty(&dma_q->active)) {
c4acf48c 139 dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n");
1f9305b7 140 *buf = NULL;
721f507b 141 return;
9701dc94
MCC		 142 }
143
144 *buf = list_entry(dma_q->active.next,
145 struct tm6000_buffer, vb.queue);
146
721f507b
MCC		 147 if (!buf)
148 return;
149
150 /* Cleans up buffer - Usefull for testing for frame/URB loss */
151 outp = videobuf_to_vmalloc(&(*buf)->vb);
42238713
MCC		 152// if (outp)
153// memset(outp, 0, (*buf)->vb.size);
721f507b
MCC		 154
155 return;
9701dc94
MCC		 156}
157
158/*
159 * Announces that a buffer were filled and request the next
160 */
c4acf48c
MCC		 161static inline void buffer_filled(struct tm6000_core *dev,
162 struct tm6000_dmaqueue *dma_q,
163 struct tm6000_buffer *buf)
9701dc94
MCC		 164{
165 /* Advice that buffer was filled */
c4acf48c 166 dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i);
47878f16 167 buf->vb.state = VIDEOBUF_DONE;
9701dc94
MCC		 168 buf->vb.field_count++;
169 do_gettimeofday(&buf->vb.ts);
170
171 list_del(&buf->vb.queue);
172 wake_up(&buf->vb.done);
173}
174
c4acf48c
MCC		 175const char *tm6000_msg_type[] = {
176 "unknown(0)", /* 0 */
177 "video", /* 1 */
178 "audio", /* 2 */
179 "vbi", /* 3 */
180 "pts", /* 4 */
181 "err", /* 5 */
182 "unknown(6)", /* 6 */
183 "unknown(7)", /* 7 */
a228618c
MCC		 184};
185
9701dc94
MCC		 186/*
187 * Identify the tm5600/6000 buffer header type and properly handles
188 */
c4acf48c 189static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp,
e2c9500d 190 u8 *out_p, struct tm6000_buffer **buf)
9701dc94
MCC		 191{
192 struct tm6000_dmaqueue *dma_q = urb->context;
c4acf48c 193 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
9701dc94 194 u8 c;
c4acf48c
MCC		 195 unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0;
196 int rc = 0;
a228618c 197 /* FIXME: move to tm6000-isoc */
c4acf48c 198 static int last_line = -2, start_line = -2, last_field = -2;
9701dc94
MCC		 199
200 /* FIXME: this is the hardcoded window size
201 */
c4acf48c 202 unsigned int linewidth = (*buf)->vb.width << 1;
9701dc94 203
ed0236af
MCC		 204 if (!dev->isoc_ctl.cmd) {
205 c = (header >> 24) & 0xff;
206
207 /* split the header fields */
208 size = (((header & 0x7e) << 1) -1) *4;
209 block = (header >> 7) & 0xf;
210 field = (header >> 11) & 0x1;
211 line = (header >> 12) & 0x1ff;
212 cmd = (header >> 21) & 0x7;
213
214 /* Validates header fields */
215 if(size > TM6000_URB_MSG_LEN)
216 size = TM6000_URB_MSG_LEN;
204193d9 217
ed0236af
MCC		 218 if (cmd == TM6000_URB_MSG_VIDEO) {
219 if ((block+1)*TM6000_URB_MSG_LEN>linewidth)
220 cmd = TM6000_URB_MSG_ERR;
221
222 /* FIXME: Mounts the image as field0+field1
223 * It should, instead, check if the user selected
224 * entrelaced or non-entrelaced mode
225 */
3c7c5e9e
SR		 226 pos = ((line << 1) - field - 1) * linewidth +
227 block * TM6000_URB_MSG_LEN;
ed0236af
MCC		 228
229 /* Don't allow to write out of the buffer */
230 if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) {
231 dprintk(dev, V4L2_DEBUG_ISOC,
232 "ERR: size=%d, num=%d, line=%d, "
233 "field=%d\n",
234 size, block, line, field);
235
236 cmd = TM6000_URB_MSG_ERR;
237 }
204193d9 238 } else {
ed0236af 239 pos=0;
6eb5c8a6 240 }
ed0236af 241
6eb5c8a6 242 /* Prints debug info */
ed0236af
MCC		 243 dprintk(dev, V4L2_DEBUG_ISOC, "size=%d, num=%d, "
244 " line=%d, field=%d\n",
245 size, block, line, field);
e2c9500d 246
ed0236af
MCC		 247 if ((last_line!=line)&&(last_line+1!=line) &&
248 (cmd != TM6000_URB_MSG_ERR) ) {
249 if (cmd != TM6000_URB_MSG_VIDEO) {
250 dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%d, "
251 "size=%d, num=%d, line=%d, field=%d\n",
252 cmd, size, block, line, field);
253 }
254 if (start_line<0)
255 start_line=last_line;
256 /* Prints debug info */
257 dprintk(dev, V4L2_DEBUG_ISOC, "lines= %d-%d, "
258 "field=%d\n",
259 start_line, last_line, field);
260
261 if ((start_line<6 && last_line>200) &&
262 (last_field != field) ) {
263
264 dev->isoc_ctl.nfields++;
265 if (dev->isoc_ctl.nfields>=2) {
266 dev->isoc_ctl.nfields=0;
267
268 /* Announces that a new buffer were filled */
269 buffer_filled (dev, dma_q, *buf);
270 dprintk(dev, V4L2_DEBUG_ISOC,
271 "new buffer filled\n");
721f507b
MCC		 272 get_next_buf (dma_q, buf);
273 if (!*buf)
274 return rc;
e8a4845d
MCC		 275 out_p = videobuf_to_vmalloc(&((*buf)->vb));
276 if (!out_p)
277 return rc;
278
279 pos = dev->isoc_ctl.pos = 0;
ed0236af
MCC		 280 }
281 }
a228618c 282
ed0236af
MCC		 283 start_line=line;
284 last_field=field;
a228618c 285 }
6ae635c4
MCC		 286 if (cmd == TM6000_URB_MSG_VIDEO)
287 last_line = line;
cc6c60d9 288
ed0236af
MCC		 289 pktsize = TM6000_URB_MSG_LEN;
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;
e2c9500d
MCC		 296 }
297
c4acf48c 298 cpysize = (endp-(*ptr) > size) ? size : endp - *ptr;
e2c9500d
MCC		 299
300 if (cpysize) {
301 /* handles each different URB message */
ed0236af 302 switch(cmd) {
e2c9500d
MCC		 303 case TM6000_URB_MSG_VIDEO:
304 /* Fills video buffer */
ed0236af 305 memcpy(&out_p[pos], *ptr, cpysize);
a228618c
MCC		 306 break;
307 case TM6000_URB_MSG_PTS:
308 break;
309 case TM6000_URB_MSG_AUDIO:
ed0236af
MCC		 310/* Need some code to process audio */
311printk ("%ld: cmd=%s, size=%d\n", jiffies,
312 tm6000_msg_type[cmd],size);
a228618c
MCC		 313 break;
314 default:
ed0236af
MCC		 315 dprintk (dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n",
316 tm6000_msg_type[cmd],size);
e2c9500d
MCC		 317 }
318 }
ed0236af
MCC		 319 if (cpysize<size) {
320 /* End of URB packet, but cmd processing is not
321 * complete. Preserve the state for a next packet
322 */
323 dev->isoc_ctl.pos = pos+cpysize;
324 dev->isoc_ctl.size= size-cpysize;
325 dev->isoc_ctl.cmd = cmd;
326 dev->isoc_ctl.pktsize = pktsize-cpysize;
327 (*ptr)+=cpysize;
328 } else {
329 dev->isoc_ctl.cmd = 0;
330 (*ptr)+=pktsize;
331 }
e2c9500d 332
a228618c 333 return rc;
e2c9500d
MCC		 334}
335
336static int copy_streams(u8 *data, u8 *out_p, unsigned long len,
337 struct urb *urb, struct tm6000_buffer **buf)
338{
339 struct tm6000_dmaqueue *dma_q = urb->context;
ed0236af
MCC		 340 struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
341 u8 *ptr=data, *endp=data+len;
342 unsigned long header=0;
343 int rc=0;
344
345 for (ptr=data; ptr<endp;) {
346 if (!dev->isoc_ctl.cmd) {
347 u8 *p=(u8 *)&dev->isoc_ctl.tmp_buf;
348 /* FIXME: This seems very complex
349 * It just recovers up to 3 bytes of the header that
350 * might be at the previous packet
351 */
352 if (dev->isoc_ctl.tmp_buf_len) {
353 while (dev->isoc_ctl.tmp_buf_len) {
354 if ( *(ptr+3-dev->isoc_ctl.tmp_buf_len) == 0x47) {
355 break;
356 }
357 p++;
358 dev->isoc_ctl.tmp_buf_len--;
359 }
360 if (dev->isoc_ctl.tmp_buf_len) {
801dd3b3 361 memcpy(&header, p,
ed0236af 362 dev->isoc_ctl.tmp_buf_len);
801dd3b3
MCC		 363 memcpy((u8 *)&header +
364 dev->isoc_ctl.tmp_buf_len,
ed0236af 365 ptr,
801dd3b3
MCC		 366 4 - dev->isoc_ctl.tmp_buf_len);
367 ptr += 4 - dev->isoc_ctl.tmp_buf_len;
ed0236af
MCC		 368 goto HEADER;
369 }
370 }
9701dc94 371 /* Seek for sync */
ed0236af
MCC		 372 for (;ptr<endp-3;ptr++) {
373 if (*(ptr+3)==0x47)
9701dc94 374 break;
9701dc94 375 }
cc6c60d9 376
ed0236af
MCC		 377 if (ptr+3>=endp) {
378 dev->isoc_ctl.tmp_buf_len=endp-ptr;
379 memcpy (&dev->isoc_ctl.tmp_buf,ptr,
380 dev->isoc_ctl.tmp_buf_len);
381 dev->isoc_ctl.cmd=0;
9701dc94 382 return rc;
cc6c60d9 383 }
6eb5c8a6 384
ed0236af
MCC		 385 /* Get message header */
386 header=*(unsigned long *)ptr;
387 ptr+=4;
388 }
389HEADER:
e2c9500d 390 /* Copy or continue last copy */
ed0236af
MCC		 391 rc=copy_packet(urb,header,&ptr,endp,out_p,buf);
392 if (rc<0) {
393 buf=NULL;
a228618c
MCC		 394 printk(KERN_ERR "tm6000: buffer underrun at %ld\n",
395 jiffies);
396 return rc;
397 }
f4b727b3
MCC		 398 if (!*buf)
399 return 0;
9701dc94
MCC		 400 }
401
a228618c 402 return 0;
9701dc94
MCC		 403}
404/*
405 * Identify the tm5600/6000 buffer header type and properly handles
406 */
407static int copy_multiplexed(u8 *ptr, u8 *out_p, unsigned long len,
408 struct urb *urb, struct tm6000_buffer **buf)
409{
410 struct tm6000_dmaqueue *dma_q = urb->context;
ed0236af
MCC		 411 struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
412 unsigned int pos=dev->isoc_ctl.pos,cpysize;
413 int rc=1;
414
415 while (len>0) {
416 cpysize=min(len,(*buf)->vb.size-pos);
417//printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos);
418 memcpy(&out_p[pos], ptr, cpysize);
419 pos+=cpysize;
420 ptr+=cpysize;
421 len-=cpysize;
9701dc94 422 if (pos >= (*buf)->vb.size) {
ed0236af 423 pos=0;
9701dc94 424 /* Announces that a new buffer were filled */
ed0236af 425 buffer_filled (dev, dma_q, *buf);
5f796752 426 dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n");
721f507b
MCC		 427 get_next_buf (dma_q, buf);
428 if (!*buf)
9701dc94 429 break;
e8a4845d
MCC		 430 out_p = videobuf_to_vmalloc(&((*buf)->vb));
431 if (!out_p)
432 return rc;
433 pos = 0;
9701dc94
MCC		 434 }
435 }
436
ed0236af 437 dev->isoc_ctl.pos=pos;
9701dc94
MCC		 438 return rc;
439}
440
ed0236af
MCC		 441static void inline print_err_status (struct tm6000_core *dev,
442 int packet, int status)
5f796752
MCC		 443{
444 char *errmsg = "Unknown";
445
ed0236af 446 switch(status) {
5f796752
MCC		 447 case -ENOENT:
448 errmsg = "unlinked synchronuously";
449 break;
450 case -ECONNRESET:
451 errmsg = "unlinked asynchronuously";
452 break;
453 case -ENOSR:
454 errmsg = "Buffer error (overrun)";
455 break;
456 case -EPIPE:
457 errmsg = "Stalled (device not responding)";
458 break;
459 case -EOVERFLOW:
460 errmsg = "Babble (bad cable?)";
461 break;
462 case -EPROTO:
463 errmsg = "Bit-stuff error (bad cable?)";
464 break;
465 case -EILSEQ:
466 errmsg = "CRC/Timeout (could be anything)";
467 break;
468 case -ETIME:
469 errmsg = "Device does not respond";
470 break;
471 }
ed0236af 472 if (packet<0) {
5f796752
MCC		 473 dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n",
474 status, errmsg);
475 } else {
ed0236af 476 dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n",
5f796752
MCC		 477 packet, status, errmsg);
478 }
479}
480
481
9701dc94
MCC		 482/*
483 * Controls the isoc copy of each urb packet
484 */
e8a4845d 485static inline int tm6000_isoc_copy(struct urb *urb)
9701dc94
MCC		 486{
487 struct tm6000_dmaqueue *dma_q = urb->context;
ed0236af 488 struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
e8a4845d 489 struct tm6000_buffer *buf;
ed0236af 490 int i, len=0, rc=1;
e8a4845d
MCC		 491 int size;
492 char *outp = NULL, *p;
ed0236af 493 unsigned long copied;
9701dc94 494
e8a4845d 495 get_next_buf(dma_q, &buf);
c16dd82b 496 if (buf)
e8a4845d
MCC		 497 outp = videobuf_to_vmalloc(&buf->vb);
498
499 if (!outp)
500 return 0;
501
502 size = buf->vb.size;
503
ed0236af
MCC		 504 copied=0;
505
506 if (urb->status<0) {
507 print_err_status (dev,-1,urb->status);
5f796752
MCC		 508 return 0;
509 }
9701dc94
MCC		 510
511 for (i = 0; i < urb->number_of_packets; i++) {
512 int status = urb->iso_frame_desc[i].status;
9701dc94 513
ed0236af
MCC		 514 if (status<0) {
515 print_err_status (dev,i,status);
9701dc94 516 continue;
5f796752 517 }
9701dc94 518
ed0236af
MCC		 519 len=urb->iso_frame_desc[i].actual_length;
520
521// if (len>=TM6000_URB_MSG_LEN) {
522 p=urb->transfer_buffer + urb->iso_frame_desc[i].offset;
523 if (!urb->iso_frame_desc[i].status) {
e8a4845d
MCC		 524 if ((buf->fmt->fourcc)==V4L2_PIX_FMT_TM6000) {
525 rc=copy_multiplexed(p, outp, len, urb, &buf);
ed0236af
MCC		 526 if (rc<=0)
527 return rc;
528 } else {
e8a4845d 529 copy_streams(p, outp, len, urb, &buf);
ed0236af
MCC		 530 }
531 }
532 copied += len;
f4b727b3 533 if (copied >= size || !buf)
ed0236af
MCC		 534 break;
535// }
9701dc94 536 }
9701dc94
MCC		 537 return rc;
538}
539
540/* ------------------------------------------------------------------
541 URB control
542 ------------------------------------------------------------------*/
543
544/*
545 * IRQ callback, called by URB callback
546 */
547static void tm6000_irq_callback(struct urb *urb)
548{
9701dc94 549 struct tm6000_dmaqueue *dma_q = urb->context;
c4acf48c 550 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
e8a4845d 551 int i;
9701dc94 552
721f507b
MCC		 553 if (!dev)
554 return;
a228618c 555
e8a4845d
MCC		 556 spin_lock(&dev->slock);
557 tm6000_isoc_copy(urb);
558 spin_unlock(&dev->slock);
9701dc94 559
e8a4845d
MCC		 560 /* Reset urb buffers */
561 for (i = 0; i < urb->number_of_packets; i++) {
562 urb->iso_frame_desc[i].status = 0;
563 urb->iso_frame_desc[i].actual_length = 0;
564 }
9701dc94 565
c4acf48c
MCC		 566 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
567 if (urb->status)
9701dc94
MCC		 568 tm6000_err("urb resubmit failed (error=%i)\n",
569 urb->status);
9701dc94
MCC		 570}
571
572/*
573 * Stop and Deallocate URBs
574 */
575static void tm6000_uninit_isoc(struct tm6000_core *dev)
576{
577 struct urb *urb;
578 int i;
579
ee1fc07c
MCC		 580 dev->isoc_ctl.nfields = -1;
581 dev->isoc_ctl.buf = NULL;
9701dc94
MCC		 582 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
583 urb=dev->isoc_ctl.urb[i];
584 if (urb) {
585 usb_kill_urb(urb);
586 usb_unlink_urb(urb);
587 if (dev->isoc_ctl.transfer_buffer[i]) {
5a11b6fe 588 usb_free_coherent(dev->udev,
9701dc94
MCC		 589 urb->transfer_buffer_length,
590 dev->isoc_ctl.transfer_buffer[i],
591 urb->transfer_dma);
592 }
593 usb_free_urb(urb);
594 dev->isoc_ctl.urb[i] = NULL;
595 }
596 dev->isoc_ctl.transfer_buffer[i] = NULL;
597 }
598
599 kfree (dev->isoc_ctl.urb);
600 kfree (dev->isoc_ctl.transfer_buffer);
c144c037 601
9701dc94
MCC		 602 dev->isoc_ctl.urb=NULL;
603 dev->isoc_ctl.transfer_buffer=NULL;
c144c037 604 dev->isoc_ctl.num_bufs = 0;
9701dc94
MCC		 605
606 dev->isoc_ctl.num_bufs=0;
607}
608
9701dc94
MCC		 609/*
610 * Allocate URBs and start IRQ
611 */
ee1fc07c 612static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize)
9701dc94
MCC		 613{
614 struct tm6000_dmaqueue *dma_q = &dev->vidq;
ee1fc07c 615 int i, j, sb_size, pipe, size, max_packets, num_bufs = 5;
9701dc94 616 struct urb *urb;
204193d9 617
9701dc94
MCC		 618 /* De-allocates all pending stuff */
619 tm6000_uninit_isoc(dev);
620
6ae635c4
MCC		 621 usb_set_interface(dev->udev,
622 dev->isoc_in.bInterfaceNumber,
623 dev->isoc_in.bAlternateSetting);
624
ee1fc07c 625 pipe = usb_rcvisocpipe(dev->udev,
6ae635c4 626 dev->isoc_in.endp->desc.bEndpointAddress &
ee1fc07c
MCC		 627 USB_ENDPOINT_NUMBER_MASK);
628
629 size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
630
6ae635c4
MCC		 631 if (size > dev->isoc_in.maxsize)
632 size = dev->isoc_in.maxsize;
ee1fc07c
MCC		 633
634 dev->isoc_ctl.max_pkt_size = size;
635
636 max_packets = ( framesize + size - 1) / size;
637
638 if (max_packets > TM6000_MAX_ISO_PACKETS)
639 max_packets = TM6000_MAX_ISO_PACKETS;
640
641 sb_size = max_packets * size;
642
643 dev->isoc_ctl.num_bufs = num_bufs;
644
c144c037 645 dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL);
9701dc94
MCC		 646 if (!dev->isoc_ctl.urb) {
647 tm6000_err("cannot alloc memory for usb buffers\n");
648 return -ENOMEM;
649 }
650
ee1fc07c 651 dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs,
9701dc94 652 GFP_KERNEL);
f8960ee7 653 if (!dev->isoc_ctl.transfer_buffer) {
9701dc94
MCC		 654 tm6000_err("cannot allocate memory for usbtransfer\n");
655 kfree(dev->isoc_ctl.urb);
656 return -ENOMEM;
657 }
658
ee1fc07c
MCC		 659 dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets"
660 " (%d bytes) of %d bytes each to handle %u size\n",
661 max_packets, num_bufs, sb_size,
6ae635c4 662 dev->isoc_in.maxsize, size);
9701dc94
MCC		 663
664 /* allocate urbs and transfer buffers */
665 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
666 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
667 if (!urb) {
668 tm6000_err("cannot alloc isoc_ctl.urb %i\n", i);
669 tm6000_uninit_isoc(dev);
c1a16414 670 usb_free_urb(urb);
9701dc94
MCC		 671 return -ENOMEM;
672 }
673 dev->isoc_ctl.urb[i] = urb;
674
5a11b6fe 675 dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev,
c13dd704 676 sb_size, GFP_KERNEL, &urb->transfer_dma);
9701dc94
MCC		 677 if (!dev->isoc_ctl.transfer_buffer[i]) {
678 tm6000_err ("unable to allocate %i bytes for transfer"
a228618c
MCC		 679 " buffer %i%s\n",
680 sb_size, i,
681 in_interrupt()?" while in int":"");
9701dc94
MCC		 682 tm6000_uninit_isoc(dev);
683 return -ENOMEM;
684 }
685 memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size);
686
ee1fc07c
MCC		 687 usb_fill_bulk_urb(urb, dev->udev, pipe,
688 dev->isoc_ctl.transfer_buffer[i], sb_size,
689 tm6000_irq_callback, dma_q);
6ae635c4 690 urb->interval = dev->isoc_in.endp->desc.bInterval;
9701dc94 691 urb->number_of_packets = max_packets;
ee1fc07c 692 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
9701dc94 693
9701dc94 694 for (j = 0; j < max_packets; j++) {
ee1fc07c
MCC		 695 urb->iso_frame_desc[j].offset = size * j;
696 urb->iso_frame_desc[j].length = size;
9701dc94
MCC		 697 }
698 }
699
700 return 0;
701}
702
c144c037 703static int tm6000_start_thread( struct tm6000_core *dev)
9701dc94 704{
c144c037
MCC		 705 struct tm6000_dmaqueue *dma_q = &dev->vidq;
706 int i;
9701dc94
MCC		 707
708 dma_q->frame=0;
709 dma_q->ini_jiffies=jiffies;
710
711 init_waitqueue_head(&dma_q->wq);
712
713 /* submit urbs and enables IRQ */
714 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
c144c037 715 int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
9701dc94
MCC		 716 if (rc) {
717 tm6000_err("submit of urb %i failed (error=%i)\n", i,
718 rc);
719 tm6000_uninit_isoc(dev);
720 return rc;
721 }
722 }
723
9701dc94
MCC		 724 return 0;
725}
726
9701dc94
MCC		 727/* ------------------------------------------------------------------
728 Videobuf operations
729 ------------------------------------------------------------------*/
95a83824 730
9701dc94
MCC		 731static int
732buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
733{
734 struct tm6000_fh *fh = vq->priv_data;
735
736 *size = fh->fmt->depth * fh->width * fh->height >> 3;
737 if (0 == *count)
95a83824
ML		 738 *count = TM6000_DEF_BUF;
739
740 if (*count < TM6000_MIN_BUF) {
741 *count=TM6000_MIN_BUF;
742 }
743
9701dc94
MCC		 744 while (*size * *count > vid_limit * 1024 * 1024)
745 (*count)--;
95a83824 746
9701dc94
MCC		 747 return 0;
748}
749
750static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf)
751{
721f507b
MCC		 752 struct tm6000_fh *fh = vq->priv_data;
753 struct tm6000_core *dev = fh->dev;
754 unsigned long flags;
755
9701dc94
MCC		 756 if (in_interrupt())
757 BUG();
758
721f507b
MCC		 759 /* We used to wait for the buffer to finish here, but this didn't work
760 because, as we were keeping the state as VIDEOBUF_QUEUED,
761 videobuf_queue_cancel marked it as finished for us.
762 (Also, it could wedge forever if the hardware was misconfigured.)
763
764 This should be safe; by the time we get here, the buffer isn't
765 queued anymore. If we ever start marking the buffers as
766 VIDEOBUF_ACTIVE, it won't be, though.
767 */
768 spin_lock_irqsave(&dev->slock, flags);
769 if (dev->isoc_ctl.buf == buf)
770 dev->isoc_ctl.buf = NULL;
771 spin_unlock_irqrestore(&dev->slock, flags);
772
9701dc94 773 videobuf_vmalloc_free(&buf->vb);
47878f16 774 buf->vb.state = VIDEOBUF_NEEDS_INIT;
9701dc94
MCC		 775}
776
777static int
778buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
779 enum v4l2_field field)
780{
781 struct tm6000_fh *fh = vq->priv_data;
782 struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
783 struct tm6000_core *dev = fh->dev;
204193d9 784 int rc = 0, urb_init = 0;
9701dc94
MCC		 785
786 BUG_ON(NULL == fh->fmt);
787
9701dc94
MCC		 788
789 /* FIXME: It assumes depth=2 */
790 /* The only currently supported format is 16 bits/pixel */
791 buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3;
792 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
793 return -EINVAL;
794
795 if (buf->fmt != fh->fmt ||
796 buf->vb.width != fh->width ||
797 buf->vb.height != fh->height ||
798 buf->vb.field != field) {
799 buf->fmt = fh->fmt;
800 buf->vb.width = fh->width;
801 buf->vb.height = fh->height;
802 buf->vb.field = field;
47878f16 803 buf->vb.state = VIDEOBUF_NEEDS_INIT;
9701dc94
MCC		 804 }
805
47878f16 806 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
ee1fc07c 807 if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL)))
9701dc94 808 goto fail;
ee1fc07c 809 urb_init = 1;
9701dc94
MCC		 810 }
811
9701dc94 812 if (!dev->isoc_ctl.num_bufs)
ee1fc07c 813 urb_init = 1;
9701dc94
MCC		 814
815 if (urb_init) {
ee1fc07c 816 rc = tm6000_prepare_isoc(dev, buf->vb.size);
c144c037
MCC		 817 if (rc < 0)
818 goto fail;
ee1fc07c 819
c144c037 820 rc = tm6000_start_thread(dev);
ee1fc07c 821 if (rc < 0)
9701dc94 822 goto fail;
c144c037 823
9701dc94
MCC		 824 }
825
47878f16 826 buf->vb.state = VIDEOBUF_PREPARED;
9701dc94
MCC		 827 return 0;
828
829fail:
ee1fc07c 830 free_buffer(vq, buf);
9701dc94
MCC		 831 return rc;
832}
833
834static void
835buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
836{
837 struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
838 struct tm6000_fh *fh = vq->priv_data;
839 struct tm6000_core *dev = fh->dev;
840 struct tm6000_dmaqueue *vidq = &dev->vidq;
c144c037
MCC		 841
842 buf->vb.state = VIDEOBUF_QUEUED;
843 list_add_tail(&buf->vb.queue, &vidq->active);
9701dc94
MCC		 844}
845
846static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb)
847{
848 struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
9701dc94
MCC		 849
850 free_buffer(vq,buf);
851}
852
853static struct videobuf_queue_ops tm6000_video_qops = {
854 .buf_setup = buffer_setup,
855 .buf_prepare = buffer_prepare,
856 .buf_queue = buffer_queue,
857 .buf_release = buffer_release,
858};
859
860/* ------------------------------------------------------------------
861 IOCTL handling
862 ------------------------------------------------------------------*/
863
864static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh)
865{
866 /* is it free? */
867 mutex_lock(&dev->lock);
868 if (dev->resources) {
869 /* no, someone else uses it */
870 mutex_unlock(&dev->lock);
871 return 0;
872 }
873 /* it's free, grab it */
874 dev->resources =1;
875 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n");
876 mutex_unlock(&dev->lock);
877 return 1;
878}
879
880static int res_locked(struct tm6000_core *dev)
881{
882 return (dev->resources);
883}
884
885static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh)
886{
887 mutex_lock(&dev->lock);
888 dev->resources = 0;
889 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n");
890 mutex_unlock(&dev->lock);
891}
892
893/* ------------------------------------------------------------------
894 IOCTL vidioc handling
895 ------------------------------------------------------------------*/
896static int vidioc_querycap (struct file *file, void *priv,
897 struct v4l2_capability *cap)
898{
899 // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
900
901 strlcpy(cap->driver, "tm6000", sizeof(cap->driver));
e28f49b0 902 strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card));
9701dc94
MCC		 903 // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info));
904 cap->version = TM6000_VERSION;
905 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
906 V4L2_CAP_STREAMING |
907 V4L2_CAP_TUNER |
908 V4L2_CAP_READWRITE;
909 return 0;
910}
911
2a8145d4 912static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 913 struct v4l2_fmtdesc *f)
914{
915 if (unlikely(f->index >= ARRAY_SIZE(format)))
916 return -EINVAL;
917
918 strlcpy(f->description,format[f->index].name,sizeof(f->description));
919 f->pixelformat = format[f->index].fourcc;
920 return 0;
921}
922
2a8145d4 923static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 924 struct v4l2_format *f)
925{
926 struct tm6000_fh *fh=priv;
927
928 f->fmt.pix.width = fh->width;
929 f->fmt.pix.height = fh->height;
930 f->fmt.pix.field = fh->vb_vidq.field;
931 f->fmt.pix.pixelformat = fh->fmt->fourcc;
932 f->fmt.pix.bytesperline =
933 (f->fmt.pix.width * fh->fmt->depth) >> 3;
934 f->fmt.pix.sizeimage =
935 f->fmt.pix.height * f->fmt.pix.bytesperline;
936
937 return (0);
938}
939
940static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc)
941{
942 unsigned int i;
943
944 for (i = 0; i < ARRAY_SIZE(format); i++)
945 if (format[i].fourcc == fourcc)
946 return format+i;
947 return NULL;
948}
949
2a8145d4 950static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 951 struct v4l2_format *f)
952{
953 struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
954 struct tm6000_fmt *fmt;
955 enum v4l2_field field;
956
957 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
958 if (NULL == fmt) {
959 dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)"
960 " invalid.\n", f->fmt.pix.pixelformat);
961 return -EINVAL;
962 }
963
964 field = f->fmt.pix.field;
965
966 if (field == V4L2_FIELD_ANY) {
967// field=V4L2_FIELD_INTERLACED;
968 field=V4L2_FIELD_SEQ_TB;
969 } else if (V4L2_FIELD_INTERLACED != field) {
970 dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n");
971 return -EINVAL;
972 }
973
4475c044 974 tm6000_get_std_res (dev);
9701dc94 975
4475c044
MCC		 976 f->fmt.pix.width = dev->width;
977 f->fmt.pix.height = dev->height;
9701dc94
MCC		 978
979 f->fmt.pix.width &= ~0x01;
980
981 f->fmt.pix.field = field;
982
983 f->fmt.pix.bytesperline =
984 (f->fmt.pix.width * fmt->depth) >> 3;
985 f->fmt.pix.sizeimage =
986 f->fmt.pix.height * f->fmt.pix.bytesperline;
987
988 return 0;
989}
990
991/*FIXME: This seems to be generic enough to be at videodev2 */
2a8145d4 992static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
9701dc94
MCC		 993 struct v4l2_format *f)
994{
995 struct tm6000_fh *fh=priv;
996 struct tm6000_core *dev = fh->dev;
2a8145d4 997 int ret = vidioc_try_fmt_vid_cap(file,fh,f);
9701dc94
MCC		 998 if (ret < 0)
999 return (ret);
1000
1001 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1002 fh->width = f->fmt.pix.width;
1003 fh->height = f->fmt.pix.height;
1004 fh->vb_vidq.field = f->fmt.pix.field;
1005 fh->type = f->type;
1006
1007 dev->fourcc = f->fmt.pix.pixelformat;
1008
1009 tm6000_set_fourcc_format(dev);
1010
1011 return (0);
1012}
1013
1014static int vidioc_reqbufs (struct file *file, void *priv,
1015 struct v4l2_requestbuffers *p)
1016{
1017 struct tm6000_fh *fh=priv;
1018
1019 return (videobuf_reqbufs(&fh->vb_vidq, p));
1020}
1021
1022static int vidioc_querybuf (struct file *file, void *priv,
1023 struct v4l2_buffer *p)
1024{
1025 struct tm6000_fh *fh=priv;
1026
1027 return (videobuf_querybuf(&fh->vb_vidq, p));
1028}
1029
1030static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1031{
1032 struct tm6000_fh *fh=priv;
1033
1034 return (videobuf_qbuf(&fh->vb_vidq, p));
1035}
1036
1037static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1038{
1039 struct tm6000_fh *fh=priv;
1040
1041 return (videobuf_dqbuf(&fh->vb_vidq, p,
1042 file->f_flags & O_NONBLOCK));
1043}
1044
1045#ifdef CONFIG_VIDEO_V4L1_COMPAT
1046static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1047{
1048 struct tm6000_fh *fh=priv;
1049
1050 return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8);
1051}
1052#endif
1053
1054static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1055{
1056 struct tm6000_fh *fh=priv;
1057 struct tm6000_core *dev = fh->dev;
1058
1059 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1060 return -EINVAL;
1061 if (i != fh->type)
1062 return -EINVAL;
1063
1064 if (!res_get(dev,fh))
1065 return -EBUSY;
1066 return (videobuf_streamon(&fh->vb_vidq));
1067}
1068
1069static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1070{
1071 struct tm6000_fh *fh=priv;
1072 struct tm6000_core *dev = fh->dev;
1073
1074 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1075 return -EINVAL;
1076 if (i != fh->type)
1077 return -EINVAL;
1078
1079 videobuf_streamoff(&fh->vb_vidq);
1080 res_free(dev,fh);
1081
1082 return (0);
1083}
1084
1085static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm)
1086{
1087 int rc=0;
1088 struct tm6000_fh *fh=priv;
1089 struct tm6000_core *dev = fh->dev;
1090
1091 rc=tm6000_set_standard (dev, norm);
71e7cfae
MCC		 1092
1093 fh->width = dev->width;
1094 fh->height = dev->height;
1095
9701dc94
MCC		 1096 if (rc<0)
1097 return rc;
1098
427f7fac 1099 v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
9701dc94
MCC		 1100
1101 return 0;
1102}
1103
1104static int vidioc_enum_input (struct file *file, void *priv,
1105 struct v4l2_input *inp)
1106{
1107 switch (inp->index) {
1108 case TM6000_INPUT_TV:
1109 inp->type = V4L2_INPUT_TYPE_TUNER;
1110 strcpy(inp->name,"Television");
1111 break;
1112 case TM6000_INPUT_COMPOSITE:
1113 inp->type = V4L2_INPUT_TYPE_CAMERA;
1114 strcpy(inp->name,"Composite");
1115 break;
1116 case TM6000_INPUT_SVIDEO:
1117 inp->type = V4L2_INPUT_TYPE_CAMERA;
1118 strcpy(inp->name,"S-Video");
1119 break;
1120 default:
1121 return -EINVAL;
1122 }
1123 inp->std = TM6000_STD;
1124
1125 return 0;
1126}
1127
1128static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1129{
1130 struct tm6000_fh *fh=priv;
1131 struct tm6000_core *dev = fh->dev;
1132
1133 *i=dev->input;
1134
1135 return 0;
1136}
1137static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1138{
1139 struct tm6000_fh *fh=priv;
1140 struct tm6000_core *dev = fh->dev;
1141 int rc=0;
1142 char buf[1];
1143
1144 switch (i) {
1145 case TM6000_INPUT_TV:
1146 dev->input=i;
1147 *buf=0;
1148 break;
1149 case TM6000_INPUT_COMPOSITE:
1150 case TM6000_INPUT_SVIDEO:
1151 dev->input=i;
1152 *buf=1;
1153 break;
1154 default:
1155 return -EINVAL;
1156 }
1157 rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR,
1158 REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1);
1159
1160 if (!rc) {
1161 dev->input=i;
7c3f53ec 1162 rc=vidioc_s_std (file, priv, &dev->vfd->current_norm);
9701dc94
MCC		 1163 }
1164
1165 return (rc);
1166}
1167
1168 /* --- controls ---------------------------------------------- */
1169static int vidioc_queryctrl (struct file *file, void *priv,
1170 struct v4l2_queryctrl *qc)
1171{
1172 int i;
1173
1174 for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
1175 if (qc->id && qc->id == tm6000_qctrl[i].id) {
1176 memcpy(qc, &(tm6000_qctrl[i]),
1177 sizeof(*qc));
1178 return (0);
1179 }
1180
1181 return -EINVAL;
1182}
1183
1184static int vidioc_g_ctrl (struct file *file, void *priv,
1185 struct v4l2_control *ctrl)
1186{
1187 struct tm6000_fh *fh=priv;
1188 struct tm6000_core *dev = fh->dev;
1189 int val;
1190
1191 /* FIXME: Probably, those won't work! Maybe we need shadow regs */
1192 switch (ctrl->id) {
1193 case V4L2_CID_CONTRAST:
9afec493 1194 val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0);
9701dc94
MCC		 1195 break;
1196 case V4L2_CID_BRIGHTNESS:
9afec493 1197 val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0);
9701dc94
MCC		 1198 return 0;
1199 case V4L2_CID_SATURATION:
9afec493 1200 val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0);
9701dc94
MCC		 1201 return 0;
1202 case V4L2_CID_HUE:
9afec493 1203 val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0);
9701dc94
MCC		 1204 return 0;
1205 default:
1206 return -EINVAL;
1207 }
1208
1209 if (val<0)
1210 return val;
1211
1212 ctrl->value=val;
1213
1214 return 0;
1215}
1216static int vidioc_s_ctrl (struct file *file, void *priv,
1217 struct v4l2_control *ctrl)
1218{
1219 struct tm6000_fh *fh =priv;
1220 struct tm6000_core *dev = fh->dev;
1221 u8 val=ctrl->value;
1222
1223 switch (ctrl->id) {
1224 case V4L2_CID_CONTRAST:
9afec493 1225 tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val);
9701dc94
MCC		 1226 return 0;
1227 case V4L2_CID_BRIGHTNESS:
9afec493 1228 tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val);
9701dc94
MCC		 1229 return 0;
1230 case V4L2_CID_SATURATION:
9afec493 1231 tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val);
9701dc94
MCC		 1232 return 0;
1233 case V4L2_CID_HUE:
9afec493 1234 tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val);
9701dc94
MCC		 1235 return 0;
1236 }
1237 return -EINVAL;
1238}
1239
1240static int vidioc_g_tuner (struct file *file, void *priv,
1241 struct v4l2_tuner *t)
1242{
1243 struct tm6000_fh *fh =priv;
1244 struct tm6000_core *dev = fh->dev;
1245
1246 if (unlikely(UNSET == dev->tuner_type))
1247 return -EINVAL;
1248 if (0 != t->index)
1249 return -EINVAL;
1250
1251 strcpy(t->name, "Television");
1252 t->type = V4L2_TUNER_ANALOG_TV;
1253 t->capability = V4L2_TUNER_CAP_NORM;
1254 t->rangehigh = 0xffffffffUL;
1255 t->rxsubchans = V4L2_TUNER_SUB_MONO;
1256
1257 return 0;
1258}
1259
1260static int vidioc_s_tuner (struct file *file, void *priv,
1261 struct v4l2_tuner *t)
1262{
1263 struct tm6000_fh *fh =priv;
1264 struct tm6000_core *dev = fh->dev;
1265
1266 if (UNSET == dev->tuner_type)
1267 return -EINVAL;
1268 if (0 != t->index)
1269 return -EINVAL;
1270
1271 return 0;
1272}
1273
1274static int vidioc_g_frequency (struct file *file, void *priv,
1275 struct v4l2_frequency *f)
1276{
1277 struct tm6000_fh *fh =priv;
1278 struct tm6000_core *dev = fh->dev;
1279
1280 if (unlikely(UNSET == dev->tuner_type))
1281 return -EINVAL;
1282
1283 f->type = V4L2_TUNER_ANALOG_TV;
1284 f->frequency = dev->freq;
1285
427f7fac 1286 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f);
9701dc94
MCC		 1287
1288 return 0;
1289}
1290
1291static int vidioc_s_frequency (struct file *file, void *priv,
1292 struct v4l2_frequency *f)
1293{
1294 struct tm6000_fh *fh =priv;
1295 struct tm6000_core *dev = fh->dev;
1296
1297 if (unlikely(f->type != V4L2_TUNER_ANALOG_TV))
1298 return -EINVAL;
1299
1300 if (unlikely(UNSET == dev->tuner_type))
1301 return -EINVAL;
1302 if (unlikely(f->tuner != 0))
1303 return -EINVAL;
1304
1305// mutex_lock(&dev->lock);
1306 dev->freq = f->frequency;
64d339d4 1307 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
9701dc94
MCC		 1308// mutex_unlock(&dev->lock);
1309
1310 return 0;
1311}
1312
1313/* ------------------------------------------------------------------
1314 File operations for the device
1315 ------------------------------------------------------------------*/
1316
64d339d4 1317static int tm6000_open(struct file *file)
9701dc94 1318{
0a34df53
MCC		 1319 struct video_device *vdev = video_devdata(file);
1320 struct tm6000_core *dev = video_drvdata(file);
9701dc94 1321 struct tm6000_fh *fh;
e8d04167 1322 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
9701dc94
MCC		 1323 int i,rc;
1324
0a34df53
MCC		 1325 printk(KERN_INFO "tm6000: open called (dev=%s)\n",
1326 video_device_node_name(vdev));
7c3f53ec 1327
0a34df53
MCC		 1328 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n",
1329 video_device_node_name(vdev));
9701dc94 1330
9701dc94
MCC		 1331
1332 /* If more than one user, mutex should be added */
1333 dev->users++;
1334
0a34df53
MCC		 1335 dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n",
1336 video_device_node_name(vdev), v4l2_type_names[type],
1337 dev->users);
9701dc94
MCC		 1338
1339 /* allocate + initialize per filehandle data */
1340 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1341 if (NULL == fh) {
1342 dev->users--;
1343 return -ENOMEM;
1344 }
1345
1346 file->private_data = fh;
1347 fh->dev = dev;
1348
1349 fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1350 dev->fourcc = format[0].fourcc;
1351
1352 fh->fmt = format_by_fourcc(dev->fourcc);
4475c044
MCC		 1353
1354 tm6000_get_std_res (dev);
1355
1356 fh->width = dev->width;
1357 fh->height = dev->height;
9701dc94
MCC		 1358
1359 dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, "
1360 "dev->vidq=0x%08lx\n",
1361 (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq);
1362 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
1363 "queued=%d\n",list_empty(&dev->vidq.queued));
1364 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
1365 "active=%d\n",list_empty(&dev->vidq.active));
1366
1367 /* initialize hardware on analog mode */
1368 if (dev->mode!=TM6000_MODE_ANALOG) {
1369 rc=tm6000_init_analog_mode (dev);
1370 if (rc<0)
1371 return rc;
1372
1373 /* Put all controls at a sane state */
1374 for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
1375 qctl_regs[i] =tm6000_qctrl[i].default_value;
1376
1377 dev->mode=TM6000_MODE_ANALOG;
1378 }
1379
1380 videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops,
1381 NULL, &dev->slock,
1382 fh->type,
1383 V4L2_FIELD_INTERLACED,
1384 sizeof(struct tm6000_buffer),fh);
1385
1386 return 0;
1387}
1388
1389static ssize_t
1390tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos)
1391{
1392 struct tm6000_fh *fh = file->private_data;
1393
1394 if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1395 if (res_locked(fh->dev))
1396 return -EBUSY;
1397
1398 return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0,
1399 file->f_flags & O_NONBLOCK);
1400 }
1401 return 0;
1402}
1403
1404static unsigned int
1405tm6000_poll(struct file *file, struct poll_table_struct *wait)
1406{
1407 struct tm6000_fh *fh = file->private_data;
1408 struct tm6000_buffer *buf;
1409
1410 if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
1411 return POLLERR;
1412
1413 if (res_get(fh->dev,fh)) {
1414 /* streaming capture */
1415 if (list_empty(&fh->vb_vidq.stream))
1416 return POLLERR;
1417 buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream);
1418 } else {
1419 /* read() capture */
dc6a02aa
MCC		 1420 return videobuf_poll_stream(file, &fh->vb_vidq,
1421 wait);
9701dc94
MCC		 1422 }
1423 poll_wait(file, &buf->vb.done, wait);
47878f16
MCC		 1424 if (buf->vb.state == VIDEOBUF_DONE ||
1425 buf->vb.state == VIDEOBUF_ERROR)
9701dc94
MCC		 1426 return POLLIN|POLLRDNORM;
1427 return 0;
1428}
1429
64d339d4 1430static int tm6000_release(struct file *file)
9701dc94
MCC		 1431{
1432 struct tm6000_fh *fh = file->private_data;
1433 struct tm6000_core *dev = fh->dev;
0a34df53 1434 struct video_device *vdev = video_devdata(file);
9701dc94 1435
0a34df53
MCC		 1436 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n",
1437 video_device_node_name(vdev), dev->users);
7c3f53ec 1438
a58d35cb
MCC		 1439 dev->users--;
1440
1441 if (!dev->users) {
c144c037 1442 tm6000_uninit_isoc(dev);
a58d35cb
MCC		 1443 videobuf_mmap_free(&fh->vb_vidq);
1444 }
9701dc94
MCC		 1445
1446 kfree (fh);
1447
9701dc94
MCC		 1448 return 0;
1449}
1450
1451static int tm6000_mmap(struct file *file, struct vm_area_struct * vma)
1452{
1453 struct tm6000_fh *fh = file->private_data;
1454 int ret;
1455
1456 ret=videobuf_mmap_mapper(&fh->vb_vidq, vma);
1457
1458 return ret;
1459}
1460
64d339d4 1461static struct v4l2_file_operations tm6000_fops = {
9701dc94
MCC		 1462 .owner = THIS_MODULE,
1463 .open = tm6000_open,
1464 .release = tm6000_release,
1465 .ioctl = video_ioctl2, /* V4L2 ioctl handler */
1466 .read = tm6000_read,
1467 .poll = tm6000_poll,
1468 .mmap = tm6000_mmap,
9701dc94
MCC		 1469};
1470
2a8145d4
MCC		 1471static const struct v4l2_ioctl_ops video_ioctl_ops = {
1472 .vidioc_querycap = vidioc_querycap,
1473 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1474 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1475 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1476 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1477 .vidioc_s_std = vidioc_s_std,
1478 .vidioc_enum_input = vidioc_enum_input,
1479 .vidioc_g_input = vidioc_g_input,
1480 .vidioc_s_input = vidioc_s_input,
1481 .vidioc_queryctrl = vidioc_queryctrl,
1482 .vidioc_g_ctrl = vidioc_g_ctrl,
1483 .vidioc_s_ctrl = vidioc_s_ctrl,
1484 .vidioc_g_tuner = vidioc_g_tuner,
1485 .vidioc_s_tuner = vidioc_s_tuner,
1486 .vidioc_g_frequency = vidioc_g_frequency,
1487 .vidioc_s_frequency = vidioc_s_frequency,
1488 .vidioc_streamon = vidioc_streamon,
1489 .vidioc_streamoff = vidioc_streamoff,
1490 .vidioc_reqbufs = vidioc_reqbufs,
1491 .vidioc_querybuf = vidioc_querybuf,
1492 .vidioc_qbuf = vidioc_qbuf,
1493 .vidioc_dqbuf = vidioc_dqbuf,
1494#ifdef CONFIG_VIDEO_V4L1_COMPAT
1495 .vidiocgmbuf = vidiocgmbuf,
1496#endif
1497};
1498
9701dc94
MCC		 1499static struct video_device tm6000_template = {
1500 .name = "tm6000",
9701dc94 1501 .fops = &tm6000_fops,
2a8145d4 1502 .ioctl_ops = &video_ioctl_ops,
9701dc94 1503 .release = video_device_release,
2a8145d4
MCC		 1504 .tvnorms = TM6000_STD,
1505 .current_norm = V4L2_STD_NTSC_M,
9701dc94 1506};
2a8145d4 1507
9701dc94
MCC		 1508/* -----------------------------------------------------------------
1509 Initialization and module stuff
1510 ------------------------------------------------------------------*/
1511
1512int tm6000_v4l2_register(struct tm6000_core *dev)
1513{
7c3f53ec
ML		 1514 int ret = -1;
1515 struct video_device *vfd;
1516
1517 vfd = video_device_alloc();
1518 if(!vfd) {
1519 return -ENOMEM;
1520 }
1521 dev->vfd = vfd;
9701dc94 1522
9701dc94
MCC		 1523 /* init video dma queues */
1524 INIT_LIST_HEAD(&dev->vidq.active);
1525 INIT_LIST_HEAD(&dev->vidq.queued);
1526
7c3f53ec
ML		 1527 memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd)));
1528 dev->vfd->debug=tm6000_debug;
427f7fac 1529 vfd->v4l2_dev = &dev->v4l2_dev;
e8d04167 1530 video_set_drvdata(vfd, dev);
9701dc94 1531
7c3f53ec 1532 ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr);
e28f49b0 1533 printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret);
9701dc94
MCC		 1534 return ret;
1535}
1536
1537int tm6000_v4l2_unregister(struct tm6000_core *dev)
1538{
7c3f53ec 1539 video_unregister_device(dev->vfd);
22927e8e 1540
9701dc94
MCC		 1541 return 0;
1542}
1543
1544int tm6000_v4l2_exit(void)
1545{
1546 return 0;
1547}
1548
1549module_param(video_nr, int, 0);
1550MODULE_PARM_DESC(video_nr,"Allow changing video device number");
1551
1552module_param_named (debug, tm6000_debug, int, 0444);
1553MODULE_PARM_DESC(debug,"activates debug info");
1554
1555module_param(vid_limit,int,0644);
1556MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
1557
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