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9#include <linux/list.h>
10#include <linux/module.h>
11#include <linux/pci.h>
12#include <linux/slab.h>
13#include <linux/spinlock.h>
14#include <linux/usb.h>
15#include <linux/interrupt.h>
16#include <linux/firmware.h>
17#include <linux/crc32.h>
18#include <linux/init.h>
19#include <linux/input.h>
20
21#include <linux/mutex.h>
22
23#include <media/dmxdev.h>
24#include <media/dvb_demux.h>
25#include <media/dvb_frontend.h>
26#include <media/dvb_net.h>
27#include "ttusbdecfe.h"
28
29static int debug;
30static int output_pva;
31static int enable_rc;
32
33module_param(debug, int, 0644);
34MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
35module_param(output_pva, int, 0444);
36MODULE_PARM_DESC(output_pva, "Output PVA from dvr device (default:off)");
37module_param(enable_rc, int, 0644);
38MODULE_PARM_DESC(enable_rc, "Turn on/off IR remote control(default: off)");
39
40DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
41
42#define dprintk if (debug) printk
43
44#define DRIVER_NAME "TechnoTrend/Hauppauge DEC USB"
45
46#define COMMAND_PIPE 0x03
47#define RESULT_PIPE 0x04
48#define IN_PIPE 0x08
49#define OUT_PIPE 0x07
50#define IRQ_PIPE 0x0A
51
52#define COMMAND_PACKET_SIZE 0x3c
53#define ARM_PACKET_SIZE 0x1000
54#define IRQ_PACKET_SIZE 0x8
55
56#define ISO_BUF_COUNT 0x04
57#define FRAMES_PER_ISO_BUF 0x04
58#define ISO_FRAME_SIZE 0x0380
59
60#define MAX_PVA_LENGTH 6144
61
62enum ttusb_dec_model {
63 TTUSB_DEC2000T,
64 TTUSB_DEC2540T,
65 TTUSB_DEC3000S
66};
67
68enum ttusb_dec_packet_type {
69 TTUSB_DEC_PACKET_PVA,
70 TTUSB_DEC_PACKET_SECTION,
71 TTUSB_DEC_PACKET_EMPTY
72};
73
74enum ttusb_dec_interface {
75 TTUSB_DEC_INTERFACE_INITIAL,
76 TTUSB_DEC_INTERFACE_IN,
77 TTUSB_DEC_INTERFACE_OUT
78};
79
80typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *);
81
82struct dvb_filter_pes2ts {
83 unsigned char buf[188];
84 unsigned char cc;
85 dvb_filter_pes2ts_cb_t *cb;
86 void *priv;
87};
88
89struct ttusb_dec {
90 enum ttusb_dec_model model;
91 char *model_name;
92 char *firmware_name;
93 int can_playback;
94
95
96 struct dvb_adapter adapter;
97 struct dmxdev dmxdev;
98 struct dvb_demux demux;
99 struct dmx_frontend frontend;
100 struct dvb_net dvb_net;
101 struct dvb_frontend* fe;
102
103 u16 pid[DMX_PES_OTHER];
104
105
106 struct usb_device *udev;
107 u8 trans_count;
108 unsigned int command_pipe;
109 unsigned int result_pipe;
110 unsigned int in_pipe;
111 unsigned int out_pipe;
112 unsigned int irq_pipe;
113 enum ttusb_dec_interface interface;
114 struct mutex usb_mutex;
115
116 void *irq_buffer;
117 struct urb *irq_urb;
118 dma_addr_t irq_dma_handle;
119 void *iso_buffer;
120 struct urb *iso_urb[ISO_BUF_COUNT];
121 int iso_stream_count;
122 struct mutex iso_mutex;
123
124 u8 packet[MAX_PVA_LENGTH + 4];
125 enum ttusb_dec_packet_type packet_type;
126 int packet_state;
127 int packet_length;
128 int packet_payload_length;
129 u16 next_packet_id;
130
131 int pva_stream_count;
132 int filter_stream_count;
133
134 struct dvb_filter_pes2ts a_pes2ts;
135 struct dvb_filter_pes2ts v_pes2ts;
136
137 u8 v_pes[16 + MAX_PVA_LENGTH];
138 int v_pes_length;
139 int v_pes_postbytes;
140
141 struct list_head urb_frame_list;
142 struct tasklet_struct urb_tasklet;
143 spinlock_t urb_frame_list_lock;
144
145 struct dvb_demux_filter *audio_filter;
146 struct dvb_demux_filter *video_filter;
147 struct list_head filter_info_list;
148 spinlock_t filter_info_list_lock;
149
150 struct input_dev *rc_input_dev;
151 char rc_phys[64];
152
153 int active;
154};
155
156struct urb_frame {
157 u8 data[ISO_FRAME_SIZE];
158 int length;
159 struct list_head urb_frame_list;
160};
161
162struct filter_info {
163 u8 stream_id;
164 struct dvb_demux_filter *filter;
165 struct list_head filter_info_list;
166};
167
168static u16 rc_keys[] = {
169 KEY_POWER,
170 KEY_MUTE,
171 KEY_1,
172 KEY_2,
173 KEY_3,
174 KEY_4,
175 KEY_5,
176 KEY_6,
177 KEY_7,
178 KEY_8,
179 KEY_9,
180 KEY_0,
181 KEY_CHANNELUP,
182 KEY_VOLUMEDOWN,
183 KEY_OK,
184 KEY_VOLUMEUP,
185 KEY_CHANNELDOWN,
186 KEY_PREVIOUS,
187 KEY_ESC,
188 KEY_RED,
189 KEY_GREEN,
190 KEY_YELLOW,
191 KEY_BLUE,
192 KEY_OPTION,
193 KEY_M,
194 KEY_RADIO
195};
196
197static void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts,
198 unsigned short pid,
199 dvb_filter_pes2ts_cb_t *cb, void *priv)
200{
201 unsigned char *buf=p2ts->buf;
202
203 buf[0]=0x47;
204 buf[1]=(pid>>8);
205 buf[2]=pid&0xff;
206 p2ts->cc=0;
207 p2ts->cb=cb;
208 p2ts->priv=priv;
209}
210
211static int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts,
212 unsigned char *pes, int len, int payload_start)
213{
214 unsigned char *buf=p2ts->buf;
215 int ret=0, rest;
216
217
218
219 if (payload_start)
220 buf[1]|=0x40;
221 else
222 buf[1]&=~0x40;
223 while (len>=184) {
224 buf[3]=0x10|((p2ts->cc++)&0x0f);
225 memcpy(buf+4, pes, 184);
226 if ((ret=p2ts->cb(p2ts->priv, buf)))
227 return ret;
228 len-=184; pes+=184;
229 buf[1]&=~0x40;
230 }
231 if (!len)
232 return 0;
233 buf[3]=0x30|((p2ts->cc++)&0x0f);
234 rest=183-len;
235 if (rest) {
236 buf[5]=0x00;
237 if (rest-1)
238 memset(buf+6, 0xff, rest-1);
239 }
240 buf[4]=rest;
241 memcpy(buf+5+rest, pes, len);
242 return p2ts->cb(p2ts->priv, buf);
243}
244
245static void ttusb_dec_set_model(struct ttusb_dec *dec,
246 enum ttusb_dec_model model);
247
248static void ttusb_dec_handle_irq( struct urb *urb)
249{
250 struct ttusb_dec *dec = urb->context;
251 char *buffer = dec->irq_buffer;
252 int retval;
253 int index = buffer[4];
254
255 switch(urb->status) {
256 case 0:
257 break;
258 case -ECONNRESET:
259 case -ENOENT:
260 case -ESHUTDOWN:
261 case -ETIME:
262
263 dprintk("%s:urb shutting down with status: %d\n",
264 __func__, urb->status);
265 return;
266 default:
267 dprintk("%s:nonzero status received: %d\n",
268 __func__,urb->status);
269 goto exit;
270 }
271
272 if ((buffer[0] == 0x1) && (buffer[2] == 0x15)) {
273
274
275
276
277
278
279
280
281
282
283
284
285 if (index - 1 < ARRAY_SIZE(rc_keys)) {
286 dprintk("%s:rc signal:%d\n", __func__, index);
287 input_report_key(dec->rc_input_dev, rc_keys[index - 1], 1);
288 input_sync(dec->rc_input_dev);
289 input_report_key(dec->rc_input_dev, rc_keys[index - 1], 0);
290 input_sync(dec->rc_input_dev);
291 }
292 }
293
294exit:
295 retval = usb_submit_urb(urb, GFP_ATOMIC);
296 if (retval)
297 printk("%s - usb_commit_urb failed with result: %d\n",
298 __func__, retval);
299}
300
301static u16 crc16(u16 crc, const u8 *buf, size_t len)
302{
303 u16 tmp;
304
305 while (len--) {
306 crc ^= *buf++;
307 crc ^= (u8)crc >> 4;
308 tmp = (u8)crc;
309 crc ^= (tmp ^ (tmp << 1)) << 4;
310 }
311 return crc;
312}
313
314static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
315 int param_length, const u8 params[],
316 int *result_length, u8 cmd_result[])
317{
318 int result, actual_len;
319 u8 *b;
320
321 dprintk("%s\n", __func__);
322
323 b = kzalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL);
324 if (!b)
325 return -ENOMEM;
326
327 if ((result = mutex_lock_interruptible(&dec->usb_mutex))) {
328 kfree(b);
329 printk("%s: Failed to lock usb mutex.\n", __func__);
330 return result;
331 }
332
333 b[0] = 0xaa;
334 b[1] = ++dec->trans_count;
335 b[2] = command;
336 b[3] = param_length;
337
338 if (params)
339 memcpy(&b[4], params, param_length);
340
341 if (debug) {
342 printk(KERN_DEBUG "%s: command: %*ph\n",
343 __func__, param_length, b);
344 }
345
346 result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
347 COMMAND_PACKET_SIZE + 4, &actual_len, 1000);
348
349 if (result) {
350 printk("%s: command bulk message failed: error %d\n",
351 __func__, result);
352 mutex_unlock(&dec->usb_mutex);
353 kfree(b);
354 return result;
355 }
356
357 result = usb_bulk_msg(dec->udev, dec->result_pipe, b,
358 COMMAND_PACKET_SIZE + 4, &actual_len, 1000);
359
360 if (result) {
361 printk("%s: result bulk message failed: error %d\n",
362 __func__, result);
363 mutex_unlock(&dec->usb_mutex);
364 kfree(b);
365 return result;
366 } else {
367 if (debug) {
368 printk(KERN_DEBUG "%s: result: %*ph\n",
369 __func__, actual_len, b);
370 }
371
372 if (result_length)
373 *result_length = b[3];
374 if (cmd_result && b[3] > 0)
375 memcpy(cmd_result, &b[4], b[3]);
376
377 mutex_unlock(&dec->usb_mutex);
378
379 kfree(b);
380 return 0;
381 }
382}
383
384static int ttusb_dec_get_stb_state (struct ttusb_dec *dec, unsigned int *mode,
385 unsigned int *model, unsigned int *version)
386{
387 u8 c[COMMAND_PACKET_SIZE];
388 int c_length;
389 int result;
390 __be32 tmp;
391
392 dprintk("%s\n", __func__);
393
394 result = ttusb_dec_send_command(dec, 0x08, 0, NULL, &c_length, c);
395 if (result)
396 return result;
397
398 if (c_length >= 0x0c) {
399 if (mode != NULL) {
400 memcpy(&tmp, c, 4);
401 *mode = ntohl(tmp);
402 }
403 if (model != NULL) {
404 memcpy(&tmp, &c[4], 4);
405 *model = ntohl(tmp);
406 }
407 if (version != NULL) {
408 memcpy(&tmp, &c[8], 4);
409 *version = ntohl(tmp);
410 }
411 return 0;
412 } else {
413 return -ENOENT;
414 }
415}
416
417static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data)
418{
419 struct ttusb_dec *dec = priv;
420
421 dec->audio_filter->feed->cb.ts(data, 188, NULL, 0,
422 &dec->audio_filter->feed->feed.ts, NULL);
423
424 return 0;
425}
426
427static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data)
428{
429 struct ttusb_dec *dec = priv;
430
431 dec->video_filter->feed->cb.ts(data, 188, NULL, 0,
432 &dec->video_filter->feed->feed.ts, NULL);
433
434 return 0;
435}
436
437static void ttusb_dec_set_pids(struct ttusb_dec *dec)
438{
439 u8 b[] = { 0x00, 0x00, 0x00, 0x00,
440 0x00, 0x00, 0xff, 0xff,
441 0xff, 0xff, 0xff, 0xff };
442
443 __be16 pcr = htons(dec->pid[DMX_PES_PCR]);
444 __be16 audio = htons(dec->pid[DMX_PES_AUDIO]);
445 __be16 video = htons(dec->pid[DMX_PES_VIDEO]);
446
447 dprintk("%s\n", __func__);
448
449 memcpy(&b[0], &pcr, 2);
450 memcpy(&b[2], &audio, 2);
451 memcpy(&b[4], &video, 2);
452
453 ttusb_dec_send_command(dec, 0x50, sizeof(b), b, NULL, NULL);
454
455 dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO],
456 ttusb_dec_audio_pes2ts_cb, dec);
457 dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO],
458 ttusb_dec_video_pes2ts_cb, dec);
459 dec->v_pes_length = 0;
460 dec->v_pes_postbytes = 0;
461}
462
463static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length)
464{
465 if (length < 8) {
466 printk("%s: packet too short - discarding\n", __func__);
467 return;
468 }
469
470 if (length > 8 + MAX_PVA_LENGTH) {
471 printk("%s: packet too long - discarding\n", __func__);
472 return;
473 }
474
475 switch (pva[2]) {
476
477 case 0x01: {
478 int prebytes = pva[5] & 0x03;
479 int postbytes = (pva[5] & 0x0c) >> 2;
480 __be16 v_pes_payload_length;
481
482 if (output_pva) {
483 dec->video_filter->feed->cb.ts(pva, length, NULL, 0,
484 &dec->video_filter->feed->feed.ts, NULL);
485 return;
486 }
487
488 if (dec->v_pes_postbytes > 0 &&
489 dec->v_pes_postbytes == prebytes) {
490 memcpy(&dec->v_pes[dec->v_pes_length],
491 &pva[12], prebytes);
492
493 dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
494 dec->v_pes_length + prebytes, 1);
495 }
496
497 if (pva[5] & 0x10) {
498 dec->v_pes[7] = 0x80;
499 dec->v_pes[8] = 0x05;
500
501 dec->v_pes[9] = 0x21 | ((pva[8] & 0xc0) >> 5);
502 dec->v_pes[10] = ((pva[8] & 0x3f) << 2) |
503 ((pva[9] & 0xc0) >> 6);
504 dec->v_pes[11] = 0x01 |
505 ((pva[9] & 0x3f) << 2) |
506 ((pva[10] & 0x80) >> 6);
507 dec->v_pes[12] = ((pva[10] & 0x7f) << 1) |
508 ((pva[11] & 0xc0) >> 7);
509 dec->v_pes[13] = 0x01 | ((pva[11] & 0x7f) << 1);
510
511 memcpy(&dec->v_pes[14], &pva[12 + prebytes],
512 length - 12 - prebytes);
513 dec->v_pes_length = 14 + length - 12 - prebytes;
514 } else {
515 dec->v_pes[7] = 0x00;
516 dec->v_pes[8] = 0x00;
517
518 memcpy(&dec->v_pes[9], &pva[8], length - 8);
519 dec->v_pes_length = 9 + length - 8;
520 }
521
522 dec->v_pes_postbytes = postbytes;
523
524 if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 &&
525 dec->v_pes[10 + dec->v_pes[8]] == 0x00 &&
526 dec->v_pes[11 + dec->v_pes[8]] == 0x01)
527 dec->v_pes[6] = 0x84;
528 else
529 dec->v_pes[6] = 0x80;
530
531 v_pes_payload_length = htons(dec->v_pes_length - 6 +
532 postbytes);
533 memcpy(&dec->v_pes[4], &v_pes_payload_length, 2);
534
535 if (postbytes == 0)
536 dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
537 dec->v_pes_length, 1);
538
539 break;
540 }
541
542 case 0x02:
543 if (output_pva) {
544 dec->audio_filter->feed->cb.ts(pva, length, NULL, 0,
545 &dec->audio_filter->feed->feed.ts, NULL);
546 return;
547 }
548
549 dvb_filter_pes2ts(&dec->a_pes2ts, &pva[8], length - 8,
550 pva[5] & 0x10);
551 break;
552
553 default:
554 printk("%s: unknown PVA type: %02x.\n", __func__,
555 pva[2]);
556 break;
557 }
558}
559
560static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet,
561 int length)
562{
563 struct list_head *item;
564 struct filter_info *finfo;
565 struct dvb_demux_filter *filter = NULL;
566 unsigned long flags;
567 u8 sid;
568
569 sid = packet[1];
570 spin_lock_irqsave(&dec->filter_info_list_lock, flags);
571 for (item = dec->filter_info_list.next; item != &dec->filter_info_list;
572 item = item->next) {
573 finfo = list_entry(item, struct filter_info, filter_info_list);
574 if (finfo->stream_id == sid) {
575 filter = finfo->filter;
576 break;
577 }
578 }
579 spin_unlock_irqrestore(&dec->filter_info_list_lock, flags);
580
581 if (filter)
582 filter->feed->cb.sec(&packet[2], length - 2, NULL, 0,
583 &filter->filter, NULL);
584}
585
586static void ttusb_dec_process_packet(struct ttusb_dec *dec)
587{
588 int i;
589 u16 csum = 0;
590 u16 packet_id;
591
592 if (dec->packet_length % 2) {
593 printk("%s: odd sized packet - discarding\n", __func__);
594 return;
595 }
596
597 for (i = 0; i < dec->packet_length; i += 2)
598 csum ^= ((dec->packet[i] << 8) + dec->packet[i + 1]);
599
600 if (csum) {
601 printk("%s: checksum failed - discarding\n", __func__);
602 return;
603 }
604
605 packet_id = dec->packet[dec->packet_length - 4] << 8;
606 packet_id += dec->packet[dec->packet_length - 3];
607
608 if ((packet_id != dec->next_packet_id) && dec->next_packet_id) {
609 printk("%s: warning: lost packets between %u and %u\n",
610 __func__, dec->next_packet_id - 1, packet_id);
611 }
612
613 if (packet_id == 0xffff)
614 dec->next_packet_id = 0x8000;
615 else
616 dec->next_packet_id = packet_id + 1;
617
618 switch (dec->packet_type) {
619 case TTUSB_DEC_PACKET_PVA:
620 if (dec->pva_stream_count)
621 ttusb_dec_process_pva(dec, dec->packet,
622 dec->packet_payload_length);
623 break;
624
625 case TTUSB_DEC_PACKET_SECTION:
626 if (dec->filter_stream_count)
627 ttusb_dec_process_filter(dec, dec->packet,
628 dec->packet_payload_length);
629 break;
630
631 case TTUSB_DEC_PACKET_EMPTY:
632 break;
633 }
634}
635
636static void swap_bytes(u8 *b, int length)
637{
638 length -= length % 2;
639 for (; length; b += 2, length -= 2)
640 swap(*b, *(b + 1));
641}
642
643static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b,
644 int length)
645{
646 swap_bytes(b, length);
647
648 while (length) {
649 switch (dec->packet_state) {
650
651 case 0:
652 case 1:
653 case 2:
654 if (*b++ == 0xaa)
655 dec->packet_state++;
656 else
657 dec->packet_state = 0;
658
659 length--;
660 break;
661
662 case 3:
663 if (*b == 0x00) {
664 dec->packet_state++;
665 dec->packet_length = 0;
666 } else if (*b != 0xaa) {
667 dec->packet_state = 0;
668 }
669
670 b++;
671 length--;
672 break;
673
674 case 4:
675 dec->packet[dec->packet_length++] = *b++;
676
677 if (dec->packet_length == 2) {
678 if (dec->packet[0] == 'A' &&
679 dec->packet[1] == 'V') {
680 dec->packet_type =
681 TTUSB_DEC_PACKET_PVA;
682 dec->packet_state++;
683 } else if (dec->packet[0] == 'S') {
684 dec->packet_type =
685 TTUSB_DEC_PACKET_SECTION;
686 dec->packet_state++;
687 } else if (dec->packet[0] == 0x00) {
688 dec->packet_type =
689 TTUSB_DEC_PACKET_EMPTY;
690 dec->packet_payload_length = 2;
691 dec->packet_state = 7;
692 } else {
693 printk("%s: unknown packet type: %02x%02x\n",
694 __func__,
695 dec->packet[0], dec->packet[1]);
696 dec->packet_state = 0;
697 }
698 }
699
700 length--;
701 break;
702
703 case 5:
704 dec->packet[dec->packet_length++] = *b++;
705
706 if (dec->packet_type == TTUSB_DEC_PACKET_PVA &&
707 dec->packet_length == 8) {
708 dec->packet_state++;
709 dec->packet_payload_length = 8 +
710 (dec->packet[6] << 8) +
711 dec->packet[7];
712 } else if (dec->packet_type ==
713 TTUSB_DEC_PACKET_SECTION &&
714 dec->packet_length == 5) {
715 dec->packet_state++;
716 dec->packet_payload_length = 5 +
717 ((dec->packet[3] & 0x0f) << 8) +
718 dec->packet[4];
719 }
720
721 length--;
722 break;
723
724 case 6: {
725 int remainder = dec->packet_payload_length -
726 dec->packet_length;
727
728 if (length >= remainder) {
729 memcpy(dec->packet + dec->packet_length,
730 b, remainder);
731 dec->packet_length += remainder;
732 b += remainder;
733 length -= remainder;
734 dec->packet_state++;
735 } else {
736 memcpy(&dec->packet[dec->packet_length],
737 b, length);
738 dec->packet_length += length;
739 length = 0;
740 }
741
742 break;
743 }
744
745 case 7: {
746 int tail = 4;
747
748 dec->packet[dec->packet_length++] = *b++;
749
750 if (dec->packet_type == TTUSB_DEC_PACKET_SECTION &&
751 dec->packet_payload_length % 2)
752 tail++;
753
754 if (dec->packet_length ==
755 dec->packet_payload_length + tail) {
756 ttusb_dec_process_packet(dec);
757 dec->packet_state = 0;
758 }
759
760 length--;
761 break;
762 }
763
764 default:
765 printk("%s: illegal packet state encountered.\n",
766 __func__);
767 dec->packet_state = 0;
768 }
769 }
770}
771
772static void ttusb_dec_process_urb_frame_list(unsigned long data)
773{
774 struct ttusb_dec *dec = (struct ttusb_dec *)data;
775 struct list_head *item;
776 struct urb_frame *frame;
777 unsigned long flags;
778
779 while (1) {
780 spin_lock_irqsave(&dec->urb_frame_list_lock, flags);
781 if ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) {
782 frame = list_entry(item, struct urb_frame,
783 urb_frame_list);
784 list_del(&frame->urb_frame_list);
785 } else {
786 spin_unlock_irqrestore(&dec->urb_frame_list_lock,
787 flags);
788 return;
789 }
790 spin_unlock_irqrestore(&dec->urb_frame_list_lock, flags);
791
792 ttusb_dec_process_urb_frame(dec, frame->data, frame->length);
793 kfree(frame);
794 }
795}
796
797static void ttusb_dec_process_urb(struct urb *urb)
798{
799 struct ttusb_dec *dec = urb->context;
800
801 if (!urb->status) {
802 int i;
803
804 for (i = 0; i < FRAMES_PER_ISO_BUF; i++) {
805 struct usb_iso_packet_descriptor *d;
806 u8 *b;
807 int length;
808 struct urb_frame *frame;
809
810 d = &urb->iso_frame_desc[i];
811 b = urb->transfer_buffer + d->offset;
812 length = d->actual_length;
813
814 if ((frame = kmalloc(sizeof(struct urb_frame),
815 GFP_ATOMIC))) {
816 unsigned long flags;
817
818 memcpy(frame->data, b, length);
819 frame->length = length;
820
821 spin_lock_irqsave(&dec->urb_frame_list_lock,
822 flags);
823 list_add_tail(&frame->urb_frame_list,
824 &dec->urb_frame_list);
825 spin_unlock_irqrestore(&dec->urb_frame_list_lock,
826 flags);
827
828 tasklet_schedule(&dec->urb_tasklet);
829 }
830 }
831 } else {
832
833 if (urb->status != -ENOENT)
834 dprintk("%s: urb error: %d\n", __func__,
835 urb->status);
836 }
837
838 if (dec->iso_stream_count)
839 usb_submit_urb(urb, GFP_ATOMIC);
840}
841
842static void ttusb_dec_setup_urbs(struct ttusb_dec *dec)
843{
844 int i, j, buffer_offset = 0;
845
846 dprintk("%s\n", __func__);
847
848 for (i = 0; i < ISO_BUF_COUNT; i++) {
849 int frame_offset = 0;
850 struct urb *urb = dec->iso_urb[i];
851
852 urb->dev = dec->udev;
853 urb->context = dec;
854 urb->complete = ttusb_dec_process_urb;
855 urb->pipe = dec->in_pipe;
856 urb->transfer_flags = URB_ISO_ASAP;
857 urb->interval = 1;
858 urb->number_of_packets = FRAMES_PER_ISO_BUF;
859 urb->transfer_buffer_length = ISO_FRAME_SIZE *
860 FRAMES_PER_ISO_BUF;
861 urb->transfer_buffer = dec->iso_buffer + buffer_offset;
862 buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF;
863
864 for (j = 0; j < FRAMES_PER_ISO_BUF; j++) {
865 urb->iso_frame_desc[j].offset = frame_offset;
866 urb->iso_frame_desc[j].length = ISO_FRAME_SIZE;
867 frame_offset += ISO_FRAME_SIZE;
868 }
869 }
870}
871
872static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec)
873{
874 int i;
875
876 dprintk("%s\n", __func__);
877
878 if (mutex_lock_interruptible(&dec->iso_mutex))
879 return;
880
881 dec->iso_stream_count--;
882
883 if (!dec->iso_stream_count) {
884 for (i = 0; i < ISO_BUF_COUNT; i++)
885 usb_kill_urb(dec->iso_urb[i]);
886 }
887
888 mutex_unlock(&dec->iso_mutex);
889}
890
891
892
893
894
895static int ttusb_dec_set_interface(struct ttusb_dec *dec,
896 enum ttusb_dec_interface interface)
897{
898 int result = 0;
899 u8 b[] = { 0x05 };
900
901 if (interface != dec->interface) {
902 switch (interface) {
903 case TTUSB_DEC_INTERFACE_INITIAL:
904 result = usb_set_interface(dec->udev, 0, 0);
905 break;
906 case TTUSB_DEC_INTERFACE_IN:
907 result = ttusb_dec_send_command(dec, 0x80, sizeof(b),
908 b, NULL, NULL);
909 if (result)
910 return result;
911 result = usb_set_interface(dec->udev, 0, 8);
912 break;
913 case TTUSB_DEC_INTERFACE_OUT:
914 result = usb_set_interface(dec->udev, 0, 1);
915 break;
916 }
917
918 if (result)
919 return result;
920
921 dec->interface = interface;
922 }
923
924 return 0;
925}
926
927static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
928{
929 int i, result;
930
931 dprintk("%s\n", __func__);
932
933 if (mutex_lock_interruptible(&dec->iso_mutex))
934 return -EAGAIN;
935
936 if (!dec->iso_stream_count) {
937 ttusb_dec_setup_urbs(dec);
938
939 dec->packet_state = 0;
940 dec->v_pes_postbytes = 0;
941 dec->next_packet_id = 0;
942
943 for (i = 0; i < ISO_BUF_COUNT; i++) {
944 if ((result = usb_submit_urb(dec->iso_urb[i],
945 GFP_ATOMIC))) {
946 printk("%s: failed urb submission %d: error %d\n",
947 __func__, i, result);
948
949 while (i) {
950 usb_kill_urb(dec->iso_urb[i - 1]);
951 i--;
952 }
953
954 mutex_unlock(&dec->iso_mutex);
955 return result;
956 }
957 }
958 }
959
960 dec->iso_stream_count++;
961
962 mutex_unlock(&dec->iso_mutex);
963
964 return 0;
965}
966
967static int ttusb_dec_start_ts_feed(struct dvb_demux_feed *dvbdmxfeed)
968{
969 struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
970 struct ttusb_dec *dec = dvbdmx->priv;
971 u8 b0[] = { 0x05 };
972 int result = 0;
973
974 dprintk("%s\n", __func__);
975
976 dprintk(" ts_type:");
977
978 if (dvbdmxfeed->ts_type & TS_DECODER)
979 dprintk(" TS_DECODER");
980
981 if (dvbdmxfeed->ts_type & TS_PACKET)
982 dprintk(" TS_PACKET");
983
984 if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
985 dprintk(" TS_PAYLOAD_ONLY");
986
987 dprintk("\n");
988
989 switch (dvbdmxfeed->pes_type) {
990
991 case DMX_PES_VIDEO:
992 dprintk(" pes_type: DMX_PES_VIDEO\n");
993 dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid;
994 dec->pid[DMX_PES_VIDEO] = dvbdmxfeed->pid;
995 dec->video_filter = dvbdmxfeed->filter;
996 ttusb_dec_set_pids(dec);
997 break;
998
999 case DMX_PES_AUDIO:
1000 dprintk(" pes_type: DMX_PES_AUDIO\n");
1001 dec->pid[DMX_PES_AUDIO] = dvbdmxfeed->pid;
1002 dec->audio_filter = dvbdmxfeed->filter;
1003 ttusb_dec_set_pids(dec);
1004 break;
1005
1006 case DMX_PES_TELETEXT:
1007 dec->pid[DMX_PES_TELETEXT] = dvbdmxfeed->pid;
1008 dprintk(" pes_type: DMX_PES_TELETEXT(not supported)\n");
1009 return -ENOSYS;
1010
1011 case DMX_PES_PCR:
1012 dprintk(" pes_type: DMX_PES_PCR\n");
1013 dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid;
1014 ttusb_dec_set_pids(dec);
1015 break;
1016
1017 case DMX_PES_OTHER:
1018 dprintk(" pes_type: DMX_PES_OTHER(not supported)\n");
1019 return -ENOSYS;
1020
1021 default:
1022 dprintk(" pes_type: unknown (%d)\n", dvbdmxfeed->pes_type);
1023 return -EINVAL;
1024
1025 }
1026
1027 result = ttusb_dec_send_command(dec, 0x80, sizeof(b0), b0, NULL, NULL);
1028 if (result)
1029 return result;
1030
1031 dec->pva_stream_count++;
1032 return ttusb_dec_start_iso_xfer(dec);
1033}
1034
1035static int ttusb_dec_start_sec_feed(struct dvb_demux_feed *dvbdmxfeed)
1036{
1037 struct ttusb_dec *dec = dvbdmxfeed->demux->priv;
1038 u8 b0[] = { 0x00, 0x00, 0x00, 0x01,
1039 0x00, 0x00, 0x00, 0x00,
1040 0x00, 0x00, 0x00, 0x00,
1041 0x00, 0x00, 0x00, 0x00,
1042 0x00, 0xff, 0x00, 0x00,
1043 0x00, 0x00, 0x00, 0x00,
1044 0x00, 0x00, 0x00, 0x00,
1045 0x00 };
1046 __be16 pid;
1047 u8 c[COMMAND_PACKET_SIZE];
1048 int c_length;
1049 int result;
1050 struct filter_info *finfo;
1051 unsigned long flags;
1052 u8 x = 1;
1053
1054 dprintk("%s\n", __func__);
1055
1056 pid = htons(dvbdmxfeed->pid);
1057 memcpy(&b0[0], &pid, 2);
1058 memcpy(&b0[4], &x, 1);
1059 memcpy(&b0[5], &dvbdmxfeed->filter->filter.filter_value[0], 1);
1060
1061 result = ttusb_dec_send_command(dec, 0x60, sizeof(b0), b0,
1062 &c_length, c);
1063
1064 if (!result) {
1065 if (c_length == 2) {
1066 if (!(finfo = kmalloc(sizeof(struct filter_info),
1067 GFP_ATOMIC)))
1068 return -ENOMEM;
1069
1070 finfo->stream_id = c[1];
1071 finfo->filter = dvbdmxfeed->filter;
1072
1073 spin_lock_irqsave(&dec->filter_info_list_lock, flags);
1074 list_add_tail(&finfo->filter_info_list,
1075 &dec->filter_info_list);
1076 spin_unlock_irqrestore(&dec->filter_info_list_lock,
1077 flags);
1078
1079 dvbdmxfeed->priv = finfo;
1080
1081 dec->filter_stream_count++;
1082 return ttusb_dec_start_iso_xfer(dec);
1083 }
1084
1085 return -EAGAIN;
1086 } else
1087 return result;
1088}
1089
1090static int ttusb_dec_start_feed(struct dvb_demux_feed *dvbdmxfeed)
1091{
1092 struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
1093
1094 dprintk("%s\n", __func__);
1095
1096 if (!dvbdmx->dmx.frontend)
1097 return -EINVAL;
1098
1099 dprintk(" pid: 0x%04X\n", dvbdmxfeed->pid);
1100
1101 switch (dvbdmxfeed->type) {
1102
1103 case DMX_TYPE_TS:
1104 return ttusb_dec_start_ts_feed(dvbdmxfeed);
1105 break;
1106
1107 case DMX_TYPE_SEC:
1108 return ttusb_dec_start_sec_feed(dvbdmxfeed);
1109 break;
1110
1111 default:
1112 dprintk(" type: unknown (%d)\n", dvbdmxfeed->type);
1113 return -EINVAL;
1114
1115 }
1116}
1117
1118static int ttusb_dec_stop_ts_feed(struct dvb_demux_feed *dvbdmxfeed)
1119{
1120 struct ttusb_dec *dec = dvbdmxfeed->demux->priv;
1121 u8 b0[] = { 0x00 };
1122
1123 ttusb_dec_send_command(dec, 0x81, sizeof(b0), b0, NULL, NULL);
1124
1125 dec->pva_stream_count--;
1126
1127 ttusb_dec_stop_iso_xfer(dec);
1128
1129 return 0;
1130}
1131
1132static int ttusb_dec_stop_sec_feed(struct dvb_demux_feed *dvbdmxfeed)
1133{
1134 struct ttusb_dec *dec = dvbdmxfeed->demux->priv;
1135 u8 b0[] = { 0x00, 0x00 };
1136 struct filter_info *finfo = (struct filter_info *)dvbdmxfeed->priv;
1137 unsigned long flags;
1138
1139 b0[1] = finfo->stream_id;
1140 spin_lock_irqsave(&dec->filter_info_list_lock, flags);
1141 list_del(&finfo->filter_info_list);
1142 spin_unlock_irqrestore(&dec->filter_info_list_lock, flags);
1143 kfree(finfo);
1144 ttusb_dec_send_command(dec, 0x62, sizeof(b0), b0, NULL, NULL);
1145
1146 dec->filter_stream_count--;
1147
1148 ttusb_dec_stop_iso_xfer(dec);
1149
1150 return 0;
1151}
1152
1153static int ttusb_dec_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
1154{
1155 dprintk("%s\n", __func__);
1156
1157 switch (dvbdmxfeed->type) {
1158 case DMX_TYPE_TS:
1159 return ttusb_dec_stop_ts_feed(dvbdmxfeed);
1160 break;
1161
1162 case DMX_TYPE_SEC:
1163 return ttusb_dec_stop_sec_feed(dvbdmxfeed);
1164 break;
1165 }
1166
1167 return 0;
1168}
1169
1170static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec)
1171{
1172 int i;
1173
1174 dprintk("%s\n", __func__);
1175
1176 for (i = 0; i < ISO_BUF_COUNT; i++)
1177 usb_free_urb(dec->iso_urb[i]);
1178 kfree(dec->iso_buffer);
1179}
1180
1181static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
1182{
1183 int i;
1184
1185 dprintk("%s\n", __func__);
1186
1187 dec->iso_buffer = kcalloc(FRAMES_PER_ISO_BUF * ISO_BUF_COUNT,
1188 ISO_FRAME_SIZE, GFP_KERNEL);
1189 if (!dec->iso_buffer)
1190 return -ENOMEM;
1191
1192 for (i = 0; i < ISO_BUF_COUNT; i++) {
1193 struct urb *urb;
1194
1195 if (!(urb = usb_alloc_urb(FRAMES_PER_ISO_BUF, GFP_ATOMIC))) {
1196 ttusb_dec_free_iso_urbs(dec);
1197 return -ENOMEM;
1198 }
1199
1200 dec->iso_urb[i] = urb;
1201 }
1202
1203 ttusb_dec_setup_urbs(dec);
1204
1205 return 0;
1206}
1207
1208static void ttusb_dec_init_tasklet(struct ttusb_dec *dec)
1209{
1210 spin_lock_init(&dec->urb_frame_list_lock);
1211 INIT_LIST_HEAD(&dec->urb_frame_list);
1212 tasklet_init(&dec->urb_tasklet, ttusb_dec_process_urb_frame_list,
1213 (unsigned long)dec);
1214}
1215
1216static int ttusb_init_rc( struct ttusb_dec *dec)
1217{
1218 struct input_dev *input_dev;
1219 u8 b[] = { 0x00, 0x01 };
1220 int i;
1221 int err;
1222
1223 usb_make_path(dec->udev, dec->rc_phys, sizeof(dec->rc_phys));
1224 strlcat(dec->rc_phys, "/input0", sizeof(dec->rc_phys));
1225
1226 input_dev = input_allocate_device();
1227 if (!input_dev)
1228 return -ENOMEM;
1229
1230 input_dev->name = "ttusb_dec remote control";
1231 input_dev->phys = dec->rc_phys;
1232 input_dev->evbit[0] = BIT_MASK(EV_KEY);
1233 input_dev->keycodesize = sizeof(u16);
1234 input_dev->keycodemax = 0x1a;
1235 input_dev->keycode = rc_keys;
1236
1237 for (i = 0; i < ARRAY_SIZE(rc_keys); i++)
1238 set_bit(rc_keys[i], input_dev->keybit);
1239
1240 err = input_register_device(input_dev);
1241 if (err) {
1242 input_free_device(input_dev);
1243 return err;
1244 }
1245
1246 dec->rc_input_dev = input_dev;
1247 if (usb_submit_urb(dec->irq_urb, GFP_KERNEL))
1248 printk("%s: usb_submit_urb failed\n",__func__);
1249
1250 ttusb_dec_send_command(dec,0xb0,sizeof(b),b,NULL,NULL);
1251
1252 return 0;
1253}
1254
1255static void ttusb_dec_init_v_pes(struct ttusb_dec *dec)
1256{
1257 dprintk("%s\n", __func__);
1258
1259 dec->v_pes[0] = 0x00;
1260 dec->v_pes[1] = 0x00;
1261 dec->v_pes[2] = 0x01;
1262 dec->v_pes[3] = 0xe0;
1263}
1264
1265static int ttusb_dec_init_usb(struct ttusb_dec *dec)
1266{
1267 int result;
1268
1269 dprintk("%s\n", __func__);
1270
1271 mutex_init(&dec->usb_mutex);
1272 mutex_init(&dec->iso_mutex);
1273
1274 dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE);
1275 dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE);
1276 dec->in_pipe = usb_rcvisocpipe(dec->udev, IN_PIPE);
1277 dec->out_pipe = usb_sndisocpipe(dec->udev, OUT_PIPE);
1278 dec->irq_pipe = usb_rcvintpipe(dec->udev, IRQ_PIPE);
1279
1280 if(enable_rc) {
1281 dec->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
1282 if(!dec->irq_urb) {
1283 return -ENOMEM;
1284 }
1285 dec->irq_buffer = usb_alloc_coherent(dec->udev,IRQ_PACKET_SIZE,
1286 GFP_KERNEL, &dec->irq_dma_handle);
1287 if(!dec->irq_buffer) {
1288 usb_free_urb(dec->irq_urb);
1289 return -ENOMEM;
1290 }
1291 usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe,
1292 dec->irq_buffer, IRQ_PACKET_SIZE,
1293 ttusb_dec_handle_irq, dec, 1);
1294 dec->irq_urb->transfer_dma = dec->irq_dma_handle;
1295 dec->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1296 }
1297
1298 result = ttusb_dec_alloc_iso_urbs(dec);
1299 if (result) {
1300 usb_free_urb(dec->irq_urb);
1301 usb_free_coherent(dec->udev, IRQ_PACKET_SIZE,
1302 dec->irq_buffer, dec->irq_dma_handle);
1303 }
1304 return result;
1305}
1306
1307static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
1308{
1309 int i, j, actual_len, result, size, trans_count;
1310 u8 b0[] = { 0x00, 0x00, 0x00, 0x00,
1311 0x00, 0x00, 0x00, 0x00,
1312 0x61, 0x00 };
1313 u8 b1[] = { 0x61 };
1314 u8 *b;
1315 char idstring[21];
1316 const u8 *firmware = NULL;
1317 size_t firmware_size = 0;
1318 u16 firmware_csum = 0;
1319 __be16 firmware_csum_ns;
1320 __be32 firmware_size_nl;
1321 u32 crc32_csum, crc32_check;
1322 __be32 tmp;
1323 const struct firmware *fw_entry = NULL;
1324
1325 dprintk("%s\n", __func__);
1326
1327 result = request_firmware(&fw_entry, dec->firmware_name, &dec->udev->dev);
1328 if (result) {
1329 printk(KERN_ERR "%s: Firmware (%s) unavailable.\n",
1330 __func__, dec->firmware_name);
1331 return result;
1332 }
1333
1334 firmware = fw_entry->data;
1335 firmware_size = fw_entry->size;
1336
1337 if (firmware_size < 60) {
1338 printk("%s: firmware size too small for DSP code (%zu < 60).\n",
1339 __func__, firmware_size);
1340 release_firmware(fw_entry);
1341 return -ENOENT;
1342 }
1343
1344
1345
1346
1347 crc32_csum = crc32(~0L, firmware, 56) ^ ~0L;
1348 memcpy(&tmp, &firmware[56], 4);
1349 crc32_check = ntohl(tmp);
1350 if (crc32_csum != crc32_check) {
1351 printk("%s: crc32 check of DSP code failed (calculated 0x%08x != 0x%08x in file), file invalid.\n",
1352 __func__, crc32_csum, crc32_check);
1353 release_firmware(fw_entry);
1354 return -ENOENT;
1355 }
1356 memcpy(idstring, &firmware[36], 20);
1357 idstring[20] = '\0';
1358 printk(KERN_INFO "ttusb_dec: found DSP code \"%s\".\n", idstring);
1359
1360 firmware_size_nl = htonl(firmware_size);
1361 memcpy(b0, &firmware_size_nl, 4);
1362 firmware_csum = crc16(~0, firmware, firmware_size) ^ ~0;
1363 firmware_csum_ns = htons(firmware_csum);
1364 memcpy(&b0[6], &firmware_csum_ns, 2);
1365
1366 result = ttusb_dec_send_command(dec, 0x41, sizeof(b0), b0, NULL, NULL);
1367
1368 if (result) {
1369 release_firmware(fw_entry);
1370 return result;
1371 }
1372
1373 trans_count = 0;
1374 j = 0;
1375
1376 b = kmalloc(ARM_PACKET_SIZE, GFP_KERNEL);
1377 if (b == NULL) {
1378 release_firmware(fw_entry);
1379 return -ENOMEM;
1380 }
1381
1382 for (i = 0; i < firmware_size; i += COMMAND_PACKET_SIZE) {
1383 size = firmware_size - i;
1384 if (size > COMMAND_PACKET_SIZE)
1385 size = COMMAND_PACKET_SIZE;
1386
1387 b[j + 0] = 0xaa;
1388 b[j + 1] = trans_count++;
1389 b[j + 2] = 0xf0;
1390 b[j + 3] = size;
1391 memcpy(&b[j + 4], &firmware[i], size);
1392
1393 j += COMMAND_PACKET_SIZE + 4;
1394
1395 if (j >= ARM_PACKET_SIZE) {
1396 result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
1397 ARM_PACKET_SIZE, &actual_len,
1398 100);
1399 j = 0;
1400 } else if (size < COMMAND_PACKET_SIZE) {
1401 result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
1402 j - COMMAND_PACKET_SIZE + size,
1403 &actual_len, 100);
1404 }
1405 }
1406
1407 result = ttusb_dec_send_command(dec, 0x43, sizeof(b1), b1, NULL, NULL);
1408
1409 release_firmware(fw_entry);
1410 kfree(b);
1411
1412 return result;
1413}
1414
1415static int ttusb_dec_init_stb(struct ttusb_dec *dec)
1416{
1417 int result;
1418 unsigned int mode = 0, model = 0, version = 0;
1419
1420 dprintk("%s\n", __func__);
1421
1422 result = ttusb_dec_get_stb_state(dec, &mode, &model, &version);
1423 if (result)
1424 return result;
1425
1426 if (!mode) {
1427 if (version == 0xABCDEFAB)
1428 printk(KERN_INFO "ttusb_dec: no version info in Firmware\n");
1429 else
1430 printk(KERN_INFO "ttusb_dec: Firmware %x.%02x%c%c\n",
1431 version >> 24, (version >> 16) & 0xff,
1432 (version >> 8) & 0xff, version & 0xff);
1433
1434 result = ttusb_dec_boot_dsp(dec);
1435 if (result)
1436 return result;
1437 } else {
1438
1439
1440 switch (model) {
1441 case 0x00070001:
1442 case 0x00070008:
1443 case 0x0007000c:
1444 ttusb_dec_set_model(dec, TTUSB_DEC3000S);
1445 break;
1446 case 0x00070009:
1447 case 0x00070013:
1448 ttusb_dec_set_model(dec, TTUSB_DEC2000T);
1449 break;
1450 case 0x00070011:
1451 ttusb_dec_set_model(dec, TTUSB_DEC2540T);
1452 break;
1453 default:
1454 printk(KERN_ERR "%s: unknown model returned by firmware (%08x) - please report\n",
1455 __func__, model);
1456 return -ENOENT;
1457 }
1458 if (version >= 0x01770000)
1459 dec->can_playback = 1;
1460 }
1461 return 0;
1462}
1463
1464static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
1465{
1466 int result;
1467
1468 dprintk("%s\n", __func__);
1469
1470 if ((result = dvb_register_adapter(&dec->adapter,
1471 dec->model_name, THIS_MODULE,
1472 &dec->udev->dev,
1473 adapter_nr)) < 0) {
1474 printk("%s: dvb_register_adapter failed: error %d\n",
1475 __func__, result);
1476
1477 return result;
1478 }
1479
1480 dec->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
1481
1482 dec->demux.priv = (void *)dec;
1483 dec->demux.filternum = 31;
1484 dec->demux.feednum = 31;
1485 dec->demux.start_feed = ttusb_dec_start_feed;
1486 dec->demux.stop_feed = ttusb_dec_stop_feed;
1487 dec->demux.write_to_decoder = NULL;
1488
1489 if ((result = dvb_dmx_init(&dec->demux)) < 0) {
1490 printk("%s: dvb_dmx_init failed: error %d\n", __func__,
1491 result);
1492
1493 dvb_unregister_adapter(&dec->adapter);
1494
1495 return result;
1496 }
1497
1498 dec->dmxdev.filternum = 32;
1499 dec->dmxdev.demux = &dec->demux.dmx;
1500 dec->dmxdev.capabilities = 0;
1501
1502 if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) {
1503 printk("%s: dvb_dmxdev_init failed: error %d\n",
1504 __func__, result);
1505
1506 dvb_dmx_release(&dec->demux);
1507 dvb_unregister_adapter(&dec->adapter);
1508
1509 return result;
1510 }
1511
1512 dec->frontend.source = DMX_FRONTEND_0;
1513
1514 if ((result = dec->demux.dmx.add_frontend(&dec->demux.dmx,
1515 &dec->frontend)) < 0) {
1516 printk("%s: dvb_dmx_init failed: error %d\n", __func__,
1517 result);
1518
1519 dvb_dmxdev_release(&dec->dmxdev);
1520 dvb_dmx_release(&dec->demux);
1521 dvb_unregister_adapter(&dec->adapter);
1522
1523 return result;
1524 }
1525
1526 if ((result = dec->demux.dmx.connect_frontend(&dec->demux.dmx,
1527 &dec->frontend)) < 0) {
1528 printk("%s: dvb_dmx_init failed: error %d\n", __func__,
1529 result);
1530
1531 dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend);
1532 dvb_dmxdev_release(&dec->dmxdev);
1533 dvb_dmx_release(&dec->demux);
1534 dvb_unregister_adapter(&dec->adapter);
1535
1536 return result;
1537 }
1538
1539 dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx);
1540
1541 return 0;
1542}
1543
1544static void ttusb_dec_exit_dvb(struct ttusb_dec *dec)
1545{
1546 dprintk("%s\n", __func__);
1547
1548 dvb_net_release(&dec->dvb_net);
1549 dec->demux.dmx.close(&dec->demux.dmx);
1550 dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend);
1551 dvb_dmxdev_release(&dec->dmxdev);
1552 dvb_dmx_release(&dec->demux);
1553 if (dec->fe) {
1554 dvb_unregister_frontend(dec->fe);
1555 if (dec->fe->ops.release)
1556 dec->fe->ops.release(dec->fe);
1557 }
1558 dvb_unregister_adapter(&dec->adapter);
1559}
1560
1561static void ttusb_dec_exit_rc(struct ttusb_dec *dec)
1562{
1563 dprintk("%s\n", __func__);
1564
1565 if (dec->rc_input_dev) {
1566 input_unregister_device(dec->rc_input_dev);
1567 dec->rc_input_dev = NULL;
1568 }
1569}
1570
1571
1572static void ttusb_dec_exit_usb(struct ttusb_dec *dec)
1573{
1574 int i;
1575
1576 dprintk("%s\n", __func__);
1577
1578 if (enable_rc) {
1579
1580
1581
1582
1583 if (dec->interface == TTUSB_DEC_INTERFACE_IN)
1584 usb_kill_urb(dec->irq_urb);
1585
1586 usb_free_urb(dec->irq_urb);
1587
1588 usb_free_coherent(dec->udev, IRQ_PACKET_SIZE,
1589 dec->irq_buffer, dec->irq_dma_handle);
1590 }
1591
1592 dec->iso_stream_count = 0;
1593
1594 for (i = 0; i < ISO_BUF_COUNT; i++)
1595 usb_kill_urb(dec->iso_urb[i]);
1596
1597 ttusb_dec_free_iso_urbs(dec);
1598}
1599
1600static void ttusb_dec_exit_tasklet(struct ttusb_dec *dec)
1601{
1602 struct list_head *item;
1603 struct urb_frame *frame;
1604
1605 tasklet_kill(&dec->urb_tasklet);
1606
1607 while ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) {
1608 frame = list_entry(item, struct urb_frame, urb_frame_list);
1609 list_del(&frame->urb_frame_list);
1610 kfree(frame);
1611 }
1612}
1613
1614static void ttusb_dec_init_filters(struct ttusb_dec *dec)
1615{
1616 INIT_LIST_HEAD(&dec->filter_info_list);
1617 spin_lock_init(&dec->filter_info_list_lock);
1618}
1619
1620static void ttusb_dec_exit_filters(struct ttusb_dec *dec)
1621{
1622 struct list_head *item;
1623 struct filter_info *finfo;
1624
1625 while ((item = dec->filter_info_list.next) != &dec->filter_info_list) {
1626 finfo = list_entry(item, struct filter_info, filter_info_list);
1627 list_del(&finfo->filter_info_list);
1628 kfree(finfo);
1629 }
1630}
1631
1632static int fe_send_command(struct dvb_frontend* fe, const u8 command,
1633 int param_length, const u8 params[],
1634 int *result_length, u8 cmd_result[])
1635{
1636 struct ttusb_dec* dec = fe->dvb->priv;
1637 return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result);
1638}
1639
1640static const struct ttusbdecfe_config fe_config = {
1641 .send_command = fe_send_command
1642};
1643
1644static int ttusb_dec_probe(struct usb_interface *intf,
1645 const struct usb_device_id *id)
1646{
1647 struct usb_device *udev;
1648 struct ttusb_dec *dec;
1649 int result;
1650
1651 dprintk("%s\n", __func__);
1652
1653 udev = interface_to_usbdev(intf);
1654
1655 if (!(dec = kzalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) {
1656 printk("%s: couldn't allocate memory.\n", __func__);
1657 return -ENOMEM;
1658 }
1659
1660 usb_set_intfdata(intf, (void *)dec);
1661
1662 switch (id->idProduct) {
1663 case 0x1006:
1664 ttusb_dec_set_model(dec, TTUSB_DEC3000S);
1665 break;
1666
1667 case 0x1008:
1668 ttusb_dec_set_model(dec, TTUSB_DEC2000T);
1669 break;
1670
1671 case 0x1009:
1672 ttusb_dec_set_model(dec, TTUSB_DEC2540T);
1673 break;
1674 }
1675
1676 dec->udev = udev;
1677
1678 result = ttusb_dec_init_usb(dec);
1679 if (result)
1680 goto err_usb;
1681 result = ttusb_dec_init_stb(dec);
1682 if (result)
1683 goto err_stb;
1684 result = ttusb_dec_init_dvb(dec);
1685 if (result)
1686 goto err_stb;
1687
1688 dec->adapter.priv = dec;
1689 switch (id->idProduct) {
1690 case 0x1006:
1691 dec->fe = ttusbdecfe_dvbs_attach(&fe_config);
1692 break;
1693
1694 case 0x1008:
1695 case 0x1009:
1696 dec->fe = ttusbdecfe_dvbt_attach(&fe_config);
1697 break;
1698 }
1699
1700 if (dec->fe == NULL) {
1701 printk("dvb-ttusb-dec: A frontend driver was not found for device [%04x:%04x]\n",
1702 le16_to_cpu(dec->udev->descriptor.idVendor),
1703 le16_to_cpu(dec->udev->descriptor.idProduct));
1704 } else {
1705 if (dvb_register_frontend(&dec->adapter, dec->fe)) {
1706 printk("budget-ci: Frontend registration failed!\n");
1707 if (dec->fe->ops.release)
1708 dec->fe->ops.release(dec->fe);
1709 dec->fe = NULL;
1710 }
1711 }
1712
1713 ttusb_dec_init_v_pes(dec);
1714 ttusb_dec_init_filters(dec);
1715 ttusb_dec_init_tasklet(dec);
1716
1717 dec->active = 1;
1718
1719 ttusb_dec_set_interface(dec, TTUSB_DEC_INTERFACE_IN);
1720
1721 if (enable_rc)
1722 ttusb_init_rc(dec);
1723
1724 return 0;
1725err_stb:
1726 ttusb_dec_exit_usb(dec);
1727err_usb:
1728 kfree(dec);
1729 return result;
1730}
1731
1732static void ttusb_dec_disconnect(struct usb_interface *intf)
1733{
1734 struct ttusb_dec *dec = usb_get_intfdata(intf);
1735
1736 usb_set_intfdata(intf, NULL);
1737
1738 dprintk("%s\n", __func__);
1739
1740 if (dec->active) {
1741 ttusb_dec_exit_tasklet(dec);
1742 ttusb_dec_exit_filters(dec);
1743 if(enable_rc)
1744 ttusb_dec_exit_rc(dec);
1745 ttusb_dec_exit_usb(dec);
1746 ttusb_dec_exit_dvb(dec);
1747 }
1748
1749 kfree(dec);
1750}
1751
1752static void ttusb_dec_set_model(struct ttusb_dec *dec,
1753 enum ttusb_dec_model model)
1754{
1755 dec->model = model;
1756
1757 switch (model) {
1758 case TTUSB_DEC2000T:
1759 dec->model_name = "DEC2000-t";
1760 dec->firmware_name = "dvb-ttusb-dec-2000t.fw";
1761 break;
1762
1763 case TTUSB_DEC2540T:
1764 dec->model_name = "DEC2540-t";
1765 dec->firmware_name = "dvb-ttusb-dec-2540t.fw";
1766 break;
1767
1768 case TTUSB_DEC3000S:
1769 dec->model_name = "DEC3000-s";
1770 dec->firmware_name = "dvb-ttusb-dec-3000s.fw";
1771 break;
1772 }
1773}
1774
1775static const struct usb_device_id ttusb_dec_table[] = {
1776 {USB_DEVICE(0x0b48, 0x1006)},
1777
1778 {USB_DEVICE(0x0b48, 0x1008)},
1779 {USB_DEVICE(0x0b48, 0x1009)},
1780 {}
1781};
1782
1783static struct usb_driver ttusb_dec_driver = {
1784 .name = "ttusb-dec",
1785 .probe = ttusb_dec_probe,
1786 .disconnect = ttusb_dec_disconnect,
1787 .id_table = ttusb_dec_table,
1788};
1789
1790module_usb_driver(ttusb_dec_driver);
1791
1792MODULE_AUTHOR("Alex Woods <linux-dvb@giblets.org>");
1793MODULE_DESCRIPTION(DRIVER_NAME);
1794MODULE_LICENSE("GPL");
1795MODULE_DEVICE_TABLE(usb, ttusb_dec_table);
1796
