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1da177e4 LT |
1 | /* |
2 | * TTUSB DEC Driver | |
3 | * | |
4 | * Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org> | |
5 | * IR support by Peter Beutner <p.beutner@gmx.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | * | |
21 | */ | |
22 | ||
3593cab5 IM |
23 | #include <linux/mutex.h> |
24 | ||
1da177e4 LT |
25 | #include <linux/list.h> |
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/spinlock.h> | |
31 | #include <linux/usb.h> | |
1da177e4 LT |
32 | #include <linux/interrupt.h> |
33 | #include <linux/firmware.h> | |
34 | #include <linux/crc32.h> | |
35 | #include <linux/init.h> | |
36 | #include <linux/input.h> | |
37 | ||
38 | #include "dmxdev.h" | |
39 | #include "dvb_demux.h" | |
40 | #include "dvb_filter.h" | |
41 | #include "dvb_frontend.h" | |
42 | #include "dvb_net.h" | |
43 | #include "ttusbdecfe.h" | |
44 | ||
45 | static int debug; | |
46 | static int output_pva; | |
47 | static int enable_rc; | |
48 | ||
49 | module_param(debug, int, 0644); | |
50 | MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); | |
51 | module_param(output_pva, int, 0444); | |
52 | MODULE_PARM_DESC(output_pva, "Output PVA from dvr device (default:off)"); | |
53 | module_param(enable_rc, int, 0644); | |
54 | MODULE_PARM_DESC(enable_rc, "Turn on/off IR remote control(default: off)"); | |
55 | ||
56 | #define dprintk if (debug) printk | |
57 | ||
58 | #define DRIVER_NAME "TechnoTrend/Hauppauge DEC USB" | |
59 | ||
60 | #define COMMAND_PIPE 0x03 | |
61 | #define RESULT_PIPE 0x04 | |
62 | #define IN_PIPE 0x08 | |
63 | #define OUT_PIPE 0x07 | |
64 | #define IRQ_PIPE 0x0A | |
65 | ||
66 | #define COMMAND_PACKET_SIZE 0x3c | |
67 | #define ARM_PACKET_SIZE 0x1000 | |
68 | #define IRQ_PACKET_SIZE 0x8 | |
69 | ||
70 | #define ISO_BUF_COUNT 0x04 | |
71 | #define FRAMES_PER_ISO_BUF 0x04 | |
72 | #define ISO_FRAME_SIZE 0x0380 | |
73 | ||
74 | #define MAX_PVA_LENGTH 6144 | |
75 | ||
76 | enum ttusb_dec_model { | |
77 | TTUSB_DEC2000T, | |
78 | TTUSB_DEC2540T, | |
79 | TTUSB_DEC3000S | |
80 | }; | |
81 | ||
82 | enum ttusb_dec_packet_type { | |
83 | TTUSB_DEC_PACKET_PVA, | |
84 | TTUSB_DEC_PACKET_SECTION, | |
85 | TTUSB_DEC_PACKET_EMPTY | |
86 | }; | |
87 | ||
88 | enum ttusb_dec_interface { | |
89 | TTUSB_DEC_INTERFACE_INITIAL, | |
90 | TTUSB_DEC_INTERFACE_IN, | |
91 | TTUSB_DEC_INTERFACE_OUT | |
92 | }; | |
93 | ||
94 | struct ttusb_dec { | |
95 | enum ttusb_dec_model model; | |
96 | char *model_name; | |
97 | char *firmware_name; | |
98 | int can_playback; | |
99 | ||
100 | /* DVB bits */ | |
fdc53a6d | 101 | struct dvb_adapter adapter; |
1da177e4 LT |
102 | struct dmxdev dmxdev; |
103 | struct dvb_demux demux; | |
104 | struct dmx_frontend frontend; | |
105 | struct dvb_net dvb_net; | |
106 | struct dvb_frontend* fe; | |
107 | ||
108 | u16 pid[DMX_PES_OTHER]; | |
109 | ||
110 | /* USB bits */ | |
111 | struct usb_device *udev; | |
112 | u8 trans_count; | |
113 | unsigned int command_pipe; | |
114 | unsigned int result_pipe; | |
115 | unsigned int in_pipe; | |
116 | unsigned int out_pipe; | |
117 | unsigned int irq_pipe; | |
118 | enum ttusb_dec_interface interface; | |
3593cab5 | 119 | struct mutex usb_mutex; |
1da177e4 LT |
120 | |
121 | void *irq_buffer; | |
122 | struct urb *irq_urb; | |
123 | dma_addr_t irq_dma_handle; | |
124 | void *iso_buffer; | |
125 | dma_addr_t iso_dma_handle; | |
126 | struct urb *iso_urb[ISO_BUF_COUNT]; | |
127 | int iso_stream_count; | |
3593cab5 | 128 | struct mutex iso_mutex; |
1da177e4 LT |
129 | |
130 | u8 packet[MAX_PVA_LENGTH + 4]; | |
131 | enum ttusb_dec_packet_type packet_type; | |
132 | int packet_state; | |
133 | int packet_length; | |
134 | int packet_payload_length; | |
135 | u16 next_packet_id; | |
136 | ||
137 | int pva_stream_count; | |
138 | int filter_stream_count; | |
139 | ||
140 | struct dvb_filter_pes2ts a_pes2ts; | |
141 | struct dvb_filter_pes2ts v_pes2ts; | |
142 | ||
143 | u8 v_pes[16 + MAX_PVA_LENGTH]; | |
144 | int v_pes_length; | |
145 | int v_pes_postbytes; | |
146 | ||
147 | struct list_head urb_frame_list; | |
148 | struct tasklet_struct urb_tasklet; | |
149 | spinlock_t urb_frame_list_lock; | |
150 | ||
151 | struct dvb_demux_filter *audio_filter; | |
152 | struct dvb_demux_filter *video_filter; | |
153 | struct list_head filter_info_list; | |
154 | spinlock_t filter_info_list_lock; | |
155 | ||
b7df3910 DT |
156 | struct input_dev *rc_input_dev; |
157 | char rc_phys[64]; | |
1da177e4 LT |
158 | |
159 | int active; /* Loaded successfully */ | |
160 | }; | |
161 | ||
162 | struct urb_frame { | |
163 | u8 data[ISO_FRAME_SIZE]; | |
164 | int length; | |
165 | struct list_head urb_frame_list; | |
166 | }; | |
167 | ||
168 | struct filter_info { | |
169 | u8 stream_id; | |
170 | struct dvb_demux_filter *filter; | |
171 | struct list_head filter_info_list; | |
172 | }; | |
173 | ||
174 | static u16 rc_keys[] = { | |
175 | KEY_POWER, | |
176 | KEY_MUTE, | |
177 | KEY_1, | |
178 | KEY_2, | |
179 | KEY_3, | |
180 | KEY_4, | |
181 | KEY_5, | |
182 | KEY_6, | |
183 | KEY_7, | |
184 | KEY_8, | |
185 | KEY_9, | |
186 | KEY_0, | |
187 | KEY_CHANNELUP, | |
188 | KEY_VOLUMEDOWN, | |
189 | KEY_OK, | |
190 | KEY_VOLUMEUP, | |
191 | KEY_CHANNELDOWN, | |
192 | KEY_PREVIOUS, | |
193 | KEY_ESC, | |
194 | KEY_RED, | |
195 | KEY_GREEN, | |
196 | KEY_YELLOW, | |
197 | KEY_BLUE, | |
198 | KEY_OPTION, | |
199 | KEY_M, | |
200 | KEY_RADIO | |
201 | }; | |
202 | ||
203 | static void ttusb_dec_set_model(struct ttusb_dec *dec, | |
204 | enum ttusb_dec_model model); | |
205 | ||
7d12e780 | 206 | static void ttusb_dec_handle_irq( struct urb *urb) |
1da177e4 LT |
207 | { |
208 | struct ttusb_dec * dec = urb->context; | |
209 | char *buffer = dec->irq_buffer; | |
210 | int retval; | |
211 | ||
212 | switch(urb->status) { | |
213 | case 0: /*success*/ | |
214 | break; | |
215 | case -ECONNRESET: | |
216 | case -ENOENT: | |
217 | case -ESHUTDOWN: | |
38e2bfc9 | 218 | case -ETIME: |
1da177e4 LT |
219 | /* this urb is dead, cleanup */ |
220 | dprintk("%s:urb shutting down with status: %d\n", | |
221 | __FUNCTION__, urb->status); | |
222 | return; | |
223 | default: | |
224 | dprintk("%s:nonzero status received: %d\n", | |
225 | __FUNCTION__,urb->status); | |
226 | goto exit; | |
227 | } | |
228 | ||
229 | if( (buffer[0] == 0x1) && (buffer[2] == 0x15) ) { | |
230 | /* IR - Event */ | |
231 | /* this is an fact a bit too simple implementation; | |
232 | * the box also reports a keyrepeat signal | |
233 | * (with buffer[3] == 0x40) in an intervall of ~100ms. | |
234 | * But to handle this correctly we had to imlemenent some | |
235 | * kind of timer which signals a 'key up' event if no | |
236 | * keyrepeat signal is recieved for lets say 200ms. | |
237 | * this should/could be added later ... | |
238 | * for now lets report each signal as a key down and up*/ | |
239 | dprintk("%s:rc signal:%d\n", __FUNCTION__, buffer[4]); | |
b7df3910 DT |
240 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 1); |
241 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 0); | |
242 | input_sync(dec->rc_input_dev); | |
1da177e4 LT |
243 | } |
244 | ||
245 | exit: retval = usb_submit_urb(urb, GFP_ATOMIC); | |
246 | if(retval) | |
247 | printk("%s - usb_commit_urb failed with result: %d\n", | |
248 | __FUNCTION__, retval); | |
249 | } | |
250 | ||
251 | static u16 crc16(u16 crc, const u8 *buf, size_t len) | |
252 | { | |
253 | u16 tmp; | |
254 | ||
255 | while (len--) { | |
256 | crc ^= *buf++; | |
257 | crc ^= (u8)crc >> 4; | |
258 | tmp = (u8)crc; | |
259 | crc ^= (tmp ^ (tmp << 1)) << 4; | |
260 | } | |
261 | return crc; | |
262 | } | |
263 | ||
264 | static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command, | |
265 | int param_length, const u8 params[], | |
266 | int *result_length, u8 cmd_result[]) | |
267 | { | |
268 | int result, actual_len, i; | |
269 | u8 *b; | |
270 | ||
271 | dprintk("%s\n", __FUNCTION__); | |
272 | ||
273 | b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL); | |
274 | if (!b) | |
275 | return -ENOMEM; | |
276 | ||
3593cab5 | 277 | if ((result = mutex_lock_interruptible(&dec->usb_mutex))) { |
1da177e4 | 278 | kfree(b); |
3593cab5 | 279 | printk("%s: Failed to lock usb mutex.\n", __FUNCTION__); |
1da177e4 LT |
280 | return result; |
281 | } | |
282 | ||
283 | b[0] = 0xaa; | |
284 | b[1] = ++dec->trans_count; | |
285 | b[2] = command; | |
286 | b[3] = param_length; | |
287 | ||
288 | if (params) | |
289 | memcpy(&b[4], params, param_length); | |
290 | ||
291 | if (debug) { | |
292 | printk("%s: command: ", __FUNCTION__); | |
293 | for (i = 0; i < param_length + 4; i++) | |
294 | printk("0x%02X ", b[i]); | |
295 | printk("\n"); | |
296 | } | |
297 | ||
298 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
299 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
300 | ||
301 | if (result) { | |
302 | printk("%s: command bulk message failed: error %d\n", | |
303 | __FUNCTION__, result); | |
3593cab5 | 304 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
305 | kfree(b); |
306 | return result; | |
307 | } | |
308 | ||
309 | result = usb_bulk_msg(dec->udev, dec->result_pipe, b, | |
310 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
311 | ||
312 | if (result) { | |
313 | printk("%s: result bulk message failed: error %d\n", | |
314 | __FUNCTION__, result); | |
3593cab5 | 315 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
316 | kfree(b); |
317 | return result; | |
318 | } else { | |
319 | if (debug) { | |
320 | printk("%s: result: ", __FUNCTION__); | |
321 | for (i = 0; i < actual_len; i++) | |
322 | printk("0x%02X ", b[i]); | |
323 | printk("\n"); | |
324 | } | |
325 | ||
326 | if (result_length) | |
327 | *result_length = b[3]; | |
328 | if (cmd_result && b[3] > 0) | |
329 | memcpy(cmd_result, &b[4], b[3]); | |
330 | ||
3593cab5 | 331 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
332 | |
333 | kfree(b); | |
334 | return 0; | |
335 | } | |
336 | } | |
337 | ||
338 | static int ttusb_dec_get_stb_state (struct ttusb_dec *dec, unsigned int *mode, | |
339 | unsigned int *model, unsigned int *version) | |
340 | { | |
341 | u8 c[COMMAND_PACKET_SIZE]; | |
342 | int c_length; | |
343 | int result; | |
344 | unsigned int tmp; | |
345 | ||
346 | dprintk("%s\n", __FUNCTION__); | |
347 | ||
348 | result = ttusb_dec_send_command(dec, 0x08, 0, NULL, &c_length, c); | |
349 | if (result) | |
350 | return result; | |
351 | ||
352 | if (c_length >= 0x0c) { | |
353 | if (mode != NULL) { | |
354 | memcpy(&tmp, c, 4); | |
355 | *mode = ntohl(tmp); | |
356 | } | |
357 | if (model != NULL) { | |
358 | memcpy(&tmp, &c[4], 4); | |
359 | *model = ntohl(tmp); | |
360 | } | |
361 | if (version != NULL) { | |
362 | memcpy(&tmp, &c[8], 4); | |
363 | *version = ntohl(tmp); | |
364 | } | |
365 | return 0; | |
366 | } else { | |
367 | return -1; | |
368 | } | |
369 | } | |
370 | ||
371 | static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data) | |
372 | { | |
f961e71a | 373 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
374 | |
375 | dec->audio_filter->feed->cb.ts(data, 188, NULL, 0, | |
376 | &dec->audio_filter->feed->feed.ts, | |
377 | DMX_OK); | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data) | |
383 | { | |
f961e71a | 384 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
385 | |
386 | dec->video_filter->feed->cb.ts(data, 188, NULL, 0, | |
387 | &dec->video_filter->feed->feed.ts, | |
388 | DMX_OK); | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | static void ttusb_dec_set_pids(struct ttusb_dec *dec) | |
394 | { | |
395 | u8 b[] = { 0x00, 0x00, 0x00, 0x00, | |
396 | 0x00, 0x00, 0xff, 0xff, | |
397 | 0xff, 0xff, 0xff, 0xff }; | |
398 | ||
399 | u16 pcr = htons(dec->pid[DMX_PES_PCR]); | |
400 | u16 audio = htons(dec->pid[DMX_PES_AUDIO]); | |
401 | u16 video = htons(dec->pid[DMX_PES_VIDEO]); | |
402 | ||
403 | dprintk("%s\n", __FUNCTION__); | |
404 | ||
405 | memcpy(&b[0], &pcr, 2); | |
406 | memcpy(&b[2], &audio, 2); | |
407 | memcpy(&b[4], &video, 2); | |
408 | ||
409 | ttusb_dec_send_command(dec, 0x50, sizeof(b), b, NULL, NULL); | |
410 | ||
411 | dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO], | |
412 | ttusb_dec_audio_pes2ts_cb, dec); | |
413 | dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO], | |
414 | ttusb_dec_video_pes2ts_cb, dec); | |
415 | dec->v_pes_length = 0; | |
416 | dec->v_pes_postbytes = 0; | |
417 | } | |
418 | ||
419 | static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length) | |
420 | { | |
421 | if (length < 8) { | |
422 | printk("%s: packet too short - discarding\n", __FUNCTION__); | |
423 | return; | |
424 | } | |
425 | ||
426 | if (length > 8 + MAX_PVA_LENGTH) { | |
427 | printk("%s: packet too long - discarding\n", __FUNCTION__); | |
428 | return; | |
429 | } | |
430 | ||
431 | switch (pva[2]) { | |
432 | ||
433 | case 0x01: { /* VideoStream */ | |
434 | int prebytes = pva[5] & 0x03; | |
435 | int postbytes = (pva[5] & 0x0c) >> 2; | |
436 | u16 v_pes_payload_length; | |
437 | ||
438 | if (output_pva) { | |
439 | dec->video_filter->feed->cb.ts(pva, length, NULL, 0, | |
440 | &dec->video_filter->feed->feed.ts, DMX_OK); | |
441 | return; | |
442 | } | |
443 | ||
444 | if (dec->v_pes_postbytes > 0 && | |
445 | dec->v_pes_postbytes == prebytes) { | |
446 | memcpy(&dec->v_pes[dec->v_pes_length], | |
447 | &pva[12], prebytes); | |
448 | ||
449 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
450 | dec->v_pes_length + prebytes, 1); | |
451 | } | |
452 | ||
453 | if (pva[5] & 0x10) { | |
454 | dec->v_pes[7] = 0x80; | |
455 | dec->v_pes[8] = 0x05; | |
456 | ||
457 | dec->v_pes[9] = 0x21 | ((pva[8] & 0xc0) >> 5); | |
458 | dec->v_pes[10] = ((pva[8] & 0x3f) << 2) | | |
459 | ((pva[9] & 0xc0) >> 6); | |
460 | dec->v_pes[11] = 0x01 | | |
461 | ((pva[9] & 0x3f) << 2) | | |
462 | ((pva[10] & 0x80) >> 6); | |
463 | dec->v_pes[12] = ((pva[10] & 0x7f) << 1) | | |
464 | ((pva[11] & 0xc0) >> 7); | |
465 | dec->v_pes[13] = 0x01 | ((pva[11] & 0x7f) << 1); | |
466 | ||
467 | memcpy(&dec->v_pes[14], &pva[12 + prebytes], | |
468 | length - 12 - prebytes); | |
469 | dec->v_pes_length = 14 + length - 12 - prebytes; | |
470 | } else { | |
471 | dec->v_pes[7] = 0x00; | |
472 | dec->v_pes[8] = 0x00; | |
473 | ||
474 | memcpy(&dec->v_pes[9], &pva[8], length - 8); | |
475 | dec->v_pes_length = 9 + length - 8; | |
476 | } | |
477 | ||
478 | dec->v_pes_postbytes = postbytes; | |
479 | ||
480 | if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 && | |
481 | dec->v_pes[10 + dec->v_pes[8]] == 0x00 && | |
482 | dec->v_pes[11 + dec->v_pes[8]] == 0x01) | |
483 | dec->v_pes[6] = 0x84; | |
484 | else | |
485 | dec->v_pes[6] = 0x80; | |
486 | ||
487 | v_pes_payload_length = htons(dec->v_pes_length - 6 + | |
488 | postbytes); | |
489 | memcpy(&dec->v_pes[4], &v_pes_payload_length, 2); | |
490 | ||
491 | if (postbytes == 0) | |
492 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
493 | dec->v_pes_length, 1); | |
494 | ||
495 | break; | |
496 | } | |
497 | ||
498 | case 0x02: /* MainAudioStream */ | |
499 | if (output_pva) { | |
500 | dec->audio_filter->feed->cb.ts(pva, length, NULL, 0, | |
501 | &dec->audio_filter->feed->feed.ts, DMX_OK); | |
502 | return; | |
503 | } | |
504 | ||
505 | dvb_filter_pes2ts(&dec->a_pes2ts, &pva[8], length - 8, | |
506 | pva[5] & 0x10); | |
507 | break; | |
508 | ||
509 | default: | |
510 | printk("%s: unknown PVA type: %02x.\n", __FUNCTION__, | |
511 | pva[2]); | |
512 | break; | |
513 | } | |
514 | } | |
515 | ||
516 | static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet, | |
517 | int length) | |
518 | { | |
519 | struct list_head *item; | |
520 | struct filter_info *finfo; | |
521 | struct dvb_demux_filter *filter = NULL; | |
522 | unsigned long flags; | |
523 | u8 sid; | |
524 | ||
525 | sid = packet[1]; | |
526 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
527 | for (item = dec->filter_info_list.next; item != &dec->filter_info_list; | |
528 | item = item->next) { | |
529 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
530 | if (finfo->stream_id == sid) { | |
531 | filter = finfo->filter; | |
532 | break; | |
533 | } | |
534 | } | |
535 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
536 | ||
537 | if (filter) | |
538 | filter->feed->cb.sec(&packet[2], length - 2, NULL, 0, | |
539 | &filter->filter, DMX_OK); | |
540 | } | |
541 | ||
542 | static void ttusb_dec_process_packet(struct ttusb_dec *dec) | |
543 | { | |
544 | int i; | |
545 | u16 csum = 0; | |
546 | u16 packet_id; | |
547 | ||
548 | if (dec->packet_length % 2) { | |
549 | printk("%s: odd sized packet - discarding\n", __FUNCTION__); | |
550 | return; | |
551 | } | |
552 | ||
553 | for (i = 0; i < dec->packet_length; i += 2) | |
554 | csum ^= ((dec->packet[i] << 8) + dec->packet[i + 1]); | |
555 | ||
556 | if (csum) { | |
557 | printk("%s: checksum failed - discarding\n", __FUNCTION__); | |
558 | return; | |
559 | } | |
560 | ||
561 | packet_id = dec->packet[dec->packet_length - 4] << 8; | |
562 | packet_id += dec->packet[dec->packet_length - 3]; | |
563 | ||
564 | if ((packet_id != dec->next_packet_id) && dec->next_packet_id) { | |
565 | printk("%s: warning: lost packets between %u and %u\n", | |
566 | __FUNCTION__, dec->next_packet_id - 1, packet_id); | |
567 | } | |
568 | ||
569 | if (packet_id == 0xffff) | |
570 | dec->next_packet_id = 0x8000; | |
571 | else | |
572 | dec->next_packet_id = packet_id + 1; | |
573 | ||
574 | switch (dec->packet_type) { | |
575 | case TTUSB_DEC_PACKET_PVA: | |
576 | if (dec->pva_stream_count) | |
577 | ttusb_dec_process_pva(dec, dec->packet, | |
578 | dec->packet_payload_length); | |
579 | break; | |
580 | ||
581 | case TTUSB_DEC_PACKET_SECTION: | |
582 | if (dec->filter_stream_count) | |
583 | ttusb_dec_process_filter(dec, dec->packet, | |
584 | dec->packet_payload_length); | |
585 | break; | |
586 | ||
587 | case TTUSB_DEC_PACKET_EMPTY: | |
588 | break; | |
589 | } | |
590 | } | |
591 | ||
592 | static void swap_bytes(u8 *b, int length) | |
593 | { | |
594 | u8 c; | |
595 | ||
596 | length -= length % 2; | |
597 | for (; length; b += 2, length -= 2) { | |
598 | c = *b; | |
599 | *b = *(b + 1); | |
600 | *(b + 1) = c; | |
601 | } | |
602 | } | |
603 | ||
604 | static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b, | |
605 | int length) | |
606 | { | |
607 | swap_bytes(b, length); | |
608 | ||
609 | while (length) { | |
610 | switch (dec->packet_state) { | |
611 | ||
612 | case 0: | |
613 | case 1: | |
614 | case 2: | |
615 | if (*b++ == 0xaa) | |
616 | dec->packet_state++; | |
617 | else | |
618 | dec->packet_state = 0; | |
619 | ||
620 | length--; | |
621 | break; | |
622 | ||
623 | case 3: | |
624 | if (*b == 0x00) { | |
625 | dec->packet_state++; | |
626 | dec->packet_length = 0; | |
627 | } else if (*b != 0xaa) { | |
628 | dec->packet_state = 0; | |
629 | } | |
630 | ||
631 | b++; | |
632 | length--; | |
633 | break; | |
634 | ||
635 | case 4: | |
636 | dec->packet[dec->packet_length++] = *b++; | |
637 | ||
638 | if (dec->packet_length == 2) { | |
639 | if (dec->packet[0] == 'A' && | |
640 | dec->packet[1] == 'V') { | |
641 | dec->packet_type = | |
642 | TTUSB_DEC_PACKET_PVA; | |
643 | dec->packet_state++; | |
644 | } else if (dec->packet[0] == 'S') { | |
645 | dec->packet_type = | |
646 | TTUSB_DEC_PACKET_SECTION; | |
647 | dec->packet_state++; | |
648 | } else if (dec->packet[0] == 0x00) { | |
649 | dec->packet_type = | |
650 | TTUSB_DEC_PACKET_EMPTY; | |
651 | dec->packet_payload_length = 2; | |
652 | dec->packet_state = 7; | |
653 | } else { | |
654 | printk("%s: unknown packet type: " | |
655 | "%02x%02x\n", __FUNCTION__, | |
656 | dec->packet[0], dec->packet[1]); | |
657 | dec->packet_state = 0; | |
658 | } | |
659 | } | |
660 | ||
661 | length--; | |
662 | break; | |
663 | ||
664 | case 5: | |
665 | dec->packet[dec->packet_length++] = *b++; | |
666 | ||
667 | if (dec->packet_type == TTUSB_DEC_PACKET_PVA && | |
668 | dec->packet_length == 8) { | |
669 | dec->packet_state++; | |
670 | dec->packet_payload_length = 8 + | |
671 | (dec->packet[6] << 8) + | |
672 | dec->packet[7]; | |
673 | } else if (dec->packet_type == | |
674 | TTUSB_DEC_PACKET_SECTION && | |
675 | dec->packet_length == 5) { | |
676 | dec->packet_state++; | |
677 | dec->packet_payload_length = 5 + | |
678 | ((dec->packet[3] & 0x0f) << 8) + | |
679 | dec->packet[4]; | |
680 | } | |
681 | ||
682 | length--; | |
683 | break; | |
684 | ||
685 | case 6: { | |
686 | int remainder = dec->packet_payload_length - | |
687 | dec->packet_length; | |
688 | ||
689 | if (length >= remainder) { | |
690 | memcpy(dec->packet + dec->packet_length, | |
691 | b, remainder); | |
692 | dec->packet_length += remainder; | |
693 | b += remainder; | |
694 | length -= remainder; | |
695 | dec->packet_state++; | |
696 | } else { | |
697 | memcpy(&dec->packet[dec->packet_length], | |
698 | b, length); | |
699 | dec->packet_length += length; | |
700 | length = 0; | |
701 | } | |
702 | ||
703 | break; | |
704 | } | |
705 | ||
706 | case 7: { | |
707 | int tail = 4; | |
708 | ||
709 | dec->packet[dec->packet_length++] = *b++; | |
710 | ||
711 | if (dec->packet_type == TTUSB_DEC_PACKET_SECTION && | |
712 | dec->packet_payload_length % 2) | |
713 | tail++; | |
714 | ||
715 | if (dec->packet_length == | |
716 | dec->packet_payload_length + tail) { | |
717 | ttusb_dec_process_packet(dec); | |
718 | dec->packet_state = 0; | |
719 | } | |
720 | ||
721 | length--; | |
722 | break; | |
723 | } | |
724 | ||
725 | default: | |
726 | printk("%s: illegal packet state encountered.\n", | |
727 | __FUNCTION__); | |
728 | dec->packet_state = 0; | |
729 | } | |
730 | } | |
731 | } | |
732 | ||
733 | static void ttusb_dec_process_urb_frame_list(unsigned long data) | |
734 | { | |
735 | struct ttusb_dec *dec = (struct ttusb_dec *)data; | |
736 | struct list_head *item; | |
737 | struct urb_frame *frame; | |
738 | unsigned long flags; | |
739 | ||
740 | while (1) { | |
741 | spin_lock_irqsave(&dec->urb_frame_list_lock, flags); | |
742 | if ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
743 | frame = list_entry(item, struct urb_frame, | |
744 | urb_frame_list); | |
745 | list_del(&frame->urb_frame_list); | |
746 | } else { | |
747 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
748 | flags); | |
749 | return; | |
750 | } | |
751 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, flags); | |
752 | ||
753 | ttusb_dec_process_urb_frame(dec, frame->data, frame->length); | |
754 | kfree(frame); | |
755 | } | |
756 | } | |
757 | ||
7d12e780 | 758 | static void ttusb_dec_process_urb(struct urb *urb) |
1da177e4 LT |
759 | { |
760 | struct ttusb_dec *dec = urb->context; | |
761 | ||
762 | if (!urb->status) { | |
763 | int i; | |
764 | ||
765 | for (i = 0; i < FRAMES_PER_ISO_BUF; i++) { | |
766 | struct usb_iso_packet_descriptor *d; | |
767 | u8 *b; | |
768 | int length; | |
769 | struct urb_frame *frame; | |
770 | ||
771 | d = &urb->iso_frame_desc[i]; | |
772 | b = urb->transfer_buffer + d->offset; | |
773 | length = d->actual_length; | |
774 | ||
775 | if ((frame = kmalloc(sizeof(struct urb_frame), | |
776 | GFP_ATOMIC))) { | |
777 | unsigned long flags; | |
778 | ||
779 | memcpy(frame->data, b, length); | |
780 | frame->length = length; | |
781 | ||
782 | spin_lock_irqsave(&dec->urb_frame_list_lock, | |
783 | flags); | |
784 | list_add_tail(&frame->urb_frame_list, | |
785 | &dec->urb_frame_list); | |
786 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
787 | flags); | |
788 | ||
789 | tasklet_schedule(&dec->urb_tasklet); | |
790 | } | |
791 | } | |
792 | } else { | |
793 | /* -ENOENT is expected when unlinking urbs */ | |
794 | if (urb->status != -ENOENT) | |
795 | dprintk("%s: urb error: %d\n", __FUNCTION__, | |
796 | urb->status); | |
797 | } | |
798 | ||
799 | if (dec->iso_stream_count) | |
800 | usb_submit_urb(urb, GFP_ATOMIC); | |
801 | } | |
802 | ||
803 | static void ttusb_dec_setup_urbs(struct ttusb_dec *dec) | |
804 | { | |
805 | int i, j, buffer_offset = 0; | |
806 | ||
807 | dprintk("%s\n", __FUNCTION__); | |
808 | ||
809 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
810 | int frame_offset = 0; | |
811 | struct urb *urb = dec->iso_urb[i]; | |
812 | ||
813 | urb->dev = dec->udev; | |
814 | urb->context = dec; | |
815 | urb->complete = ttusb_dec_process_urb; | |
816 | urb->pipe = dec->in_pipe; | |
817 | urb->transfer_flags = URB_ISO_ASAP; | |
818 | urb->interval = 1; | |
819 | urb->number_of_packets = FRAMES_PER_ISO_BUF; | |
820 | urb->transfer_buffer_length = ISO_FRAME_SIZE * | |
821 | FRAMES_PER_ISO_BUF; | |
822 | urb->transfer_buffer = dec->iso_buffer + buffer_offset; | |
823 | buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF; | |
824 | ||
825 | for (j = 0; j < FRAMES_PER_ISO_BUF; j++) { | |
826 | urb->iso_frame_desc[j].offset = frame_offset; | |
827 | urb->iso_frame_desc[j].length = ISO_FRAME_SIZE; | |
828 | frame_offset += ISO_FRAME_SIZE; | |
829 | } | |
830 | } | |
831 | } | |
832 | ||
833 | static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec) | |
834 | { | |
835 | int i; | |
836 | ||
837 | dprintk("%s\n", __FUNCTION__); | |
838 | ||
3593cab5 | 839 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
840 | return; |
841 | ||
842 | dec->iso_stream_count--; | |
843 | ||
844 | if (!dec->iso_stream_count) { | |
845 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
846 | usb_kill_urb(dec->iso_urb[i]); | |
847 | } | |
848 | ||
3593cab5 | 849 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
850 | } |
851 | ||
852 | /* Setting the interface of the DEC tends to take down the USB communications | |
853 | * for a short period, so it's important not to call this function just before | |
854 | * trying to talk to it. | |
855 | */ | |
856 | static int ttusb_dec_set_interface(struct ttusb_dec *dec, | |
857 | enum ttusb_dec_interface interface) | |
858 | { | |
859 | int result = 0; | |
860 | u8 b[] = { 0x05 }; | |
861 | ||
862 | if (interface != dec->interface) { | |
863 | switch (interface) { | |
864 | case TTUSB_DEC_INTERFACE_INITIAL: | |
865 | result = usb_set_interface(dec->udev, 0, 0); | |
866 | break; | |
867 | case TTUSB_DEC_INTERFACE_IN: | |
868 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b), | |
869 | b, NULL, NULL); | |
870 | if (result) | |
871 | return result; | |
872 | result = usb_set_interface(dec->udev, 0, 8); | |
873 | break; | |
874 | case TTUSB_DEC_INTERFACE_OUT: | |
875 | result = usb_set_interface(dec->udev, 0, 1); | |
876 | break; | |
877 | } | |
878 | ||
879 | if (result) | |
880 | return result; | |
881 | ||
882 | dec->interface = interface; | |
883 | } | |
884 | ||
885 | return 0; | |
886 | } | |
887 | ||
888 | static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec) | |
889 | { | |
890 | int i, result; | |
891 | ||
892 | dprintk("%s\n", __FUNCTION__); | |
893 | ||
3593cab5 | 894 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
895 | return -EAGAIN; |
896 | ||
897 | if (!dec->iso_stream_count) { | |
898 | ttusb_dec_setup_urbs(dec); | |
899 | ||
900 | dec->packet_state = 0; | |
901 | dec->v_pes_postbytes = 0; | |
902 | dec->next_packet_id = 0; | |
903 | ||
904 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
905 | if ((result = usb_submit_urb(dec->iso_urb[i], | |
906 | GFP_ATOMIC))) { | |
907 | printk("%s: failed urb submission %d: " | |
908 | "error %d\n", __FUNCTION__, i, result); | |
909 | ||
910 | while (i) { | |
911 | usb_kill_urb(dec->iso_urb[i - 1]); | |
912 | i--; | |
913 | } | |
914 | ||
3593cab5 | 915 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
916 | return result; |
917 | } | |
918 | } | |
919 | } | |
920 | ||
921 | dec->iso_stream_count++; | |
922 | ||
3593cab5 | 923 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
924 | |
925 | return 0; | |
926 | } | |
927 | ||
928 | static int ttusb_dec_start_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
929 | { | |
930 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
931 | struct ttusb_dec *dec = dvbdmx->priv; | |
932 | u8 b0[] = { 0x05 }; | |
933 | int result = 0; | |
934 | ||
935 | dprintk("%s\n", __FUNCTION__); | |
936 | ||
937 | dprintk(" ts_type:"); | |
938 | ||
939 | if (dvbdmxfeed->ts_type & TS_DECODER) | |
940 | dprintk(" TS_DECODER"); | |
941 | ||
942 | if (dvbdmxfeed->ts_type & TS_PACKET) | |
943 | dprintk(" TS_PACKET"); | |
944 | ||
945 | if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY) | |
946 | dprintk(" TS_PAYLOAD_ONLY"); | |
947 | ||
948 | dprintk("\n"); | |
949 | ||
950 | switch (dvbdmxfeed->pes_type) { | |
951 | ||
952 | case DMX_TS_PES_VIDEO: | |
953 | dprintk(" pes_type: DMX_TS_PES_VIDEO\n"); | |
954 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; | |
955 | dec->pid[DMX_PES_VIDEO] = dvbdmxfeed->pid; | |
956 | dec->video_filter = dvbdmxfeed->filter; | |
957 | ttusb_dec_set_pids(dec); | |
958 | break; | |
959 | ||
960 | case DMX_TS_PES_AUDIO: | |
961 | dprintk(" pes_type: DMX_TS_PES_AUDIO\n"); | |
962 | dec->pid[DMX_PES_AUDIO] = dvbdmxfeed->pid; | |
963 | dec->audio_filter = dvbdmxfeed->filter; | |
964 | ttusb_dec_set_pids(dec); | |
965 | break; | |
966 | ||
967 | case DMX_TS_PES_TELETEXT: | |
968 | dec->pid[DMX_PES_TELETEXT] = dvbdmxfeed->pid; | |
f961e71a AW |
969 | dprintk(" pes_type: DMX_TS_PES_TELETEXT(not supported)\n"); |
970 | return -ENOSYS; | |
1da177e4 LT |
971 | |
972 | case DMX_TS_PES_PCR: | |
973 | dprintk(" pes_type: DMX_TS_PES_PCR\n"); | |
974 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; | |
975 | ttusb_dec_set_pids(dec); | |
976 | break; | |
977 | ||
978 | case DMX_TS_PES_OTHER: | |
f961e71a AW |
979 | dprintk(" pes_type: DMX_TS_PES_OTHER(not supported)\n"); |
980 | return -ENOSYS; | |
1da177e4 LT |
981 | |
982 | default: | |
983 | dprintk(" pes_type: unknown (%d)\n", dvbdmxfeed->pes_type); | |
984 | return -EINVAL; | |
985 | ||
986 | } | |
987 | ||
988 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b0), b0, NULL, NULL); | |
989 | if (result) | |
990 | return result; | |
991 | ||
992 | dec->pva_stream_count++; | |
993 | return ttusb_dec_start_iso_xfer(dec); | |
994 | } | |
995 | ||
996 | static int ttusb_dec_start_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
997 | { | |
998 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
999 | u8 b0[] = { 0x00, 0x00, 0x00, 0x01, | |
1000 | 0x00, 0x00, 0x00, 0x00, | |
1001 | 0x00, 0x00, 0x00, 0x00, | |
1002 | 0x00, 0x00, 0x00, 0x00, | |
1003 | 0x00, 0xff, 0x00, 0x00, | |
1004 | 0x00, 0x00, 0x00, 0x00, | |
1005 | 0x00, 0x00, 0x00, 0x00, | |
1006 | 0x00 }; | |
1007 | u16 pid; | |
1008 | u8 c[COMMAND_PACKET_SIZE]; | |
1009 | int c_length; | |
1010 | int result; | |
1011 | struct filter_info *finfo; | |
1012 | unsigned long flags; | |
1013 | u8 x = 1; | |
1014 | ||
1015 | dprintk("%s\n", __FUNCTION__); | |
1016 | ||
1017 | pid = htons(dvbdmxfeed->pid); | |
1018 | memcpy(&b0[0], &pid, 2); | |
1019 | memcpy(&b0[4], &x, 1); | |
1020 | memcpy(&b0[5], &dvbdmxfeed->filter->filter.filter_value[0], 1); | |
1021 | ||
1022 | result = ttusb_dec_send_command(dec, 0x60, sizeof(b0), b0, | |
1023 | &c_length, c); | |
1024 | ||
1025 | if (!result) { | |
1026 | if (c_length == 2) { | |
1027 | if (!(finfo = kmalloc(sizeof(struct filter_info), | |
1028 | GFP_ATOMIC))) | |
1029 | return -ENOMEM; | |
1030 | ||
1031 | finfo->stream_id = c[1]; | |
1032 | finfo->filter = dvbdmxfeed->filter; | |
1033 | ||
1034 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1035 | list_add_tail(&finfo->filter_info_list, | |
1036 | &dec->filter_info_list); | |
1037 | spin_unlock_irqrestore(&dec->filter_info_list_lock, | |
1038 | flags); | |
1039 | ||
1040 | dvbdmxfeed->priv = finfo; | |
1041 | ||
1042 | dec->filter_stream_count++; | |
1043 | return ttusb_dec_start_iso_xfer(dec); | |
1044 | } | |
1045 | ||
1046 | return -EAGAIN; | |
1047 | } else | |
1048 | return result; | |
1049 | } | |
1050 | ||
1051 | static int ttusb_dec_start_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1052 | { | |
1053 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
1054 | ||
1055 | dprintk("%s\n", __FUNCTION__); | |
1056 | ||
1057 | if (!dvbdmx->dmx.frontend) | |
1058 | return -EINVAL; | |
1059 | ||
1060 | dprintk(" pid: 0x%04X\n", dvbdmxfeed->pid); | |
1061 | ||
1062 | switch (dvbdmxfeed->type) { | |
1063 | ||
1064 | case DMX_TYPE_TS: | |
1065 | return ttusb_dec_start_ts_feed(dvbdmxfeed); | |
1066 | break; | |
1067 | ||
1068 | case DMX_TYPE_SEC: | |
1069 | return ttusb_dec_start_sec_feed(dvbdmxfeed); | |
1070 | break; | |
1071 | ||
1072 | default: | |
1073 | dprintk(" type: unknown (%d)\n", dvbdmxfeed->type); | |
1074 | return -EINVAL; | |
1075 | ||
1076 | } | |
1077 | } | |
1078 | ||
1079 | static int ttusb_dec_stop_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1080 | { | |
1081 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1082 | u8 b0[] = { 0x00 }; | |
1083 | ||
1084 | ttusb_dec_send_command(dec, 0x81, sizeof(b0), b0, NULL, NULL); | |
1085 | ||
1086 | dec->pva_stream_count--; | |
1087 | ||
1088 | ttusb_dec_stop_iso_xfer(dec); | |
1089 | ||
1090 | return 0; | |
1091 | } | |
1092 | ||
1093 | static int ttusb_dec_stop_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1094 | { | |
1095 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1096 | u8 b0[] = { 0x00, 0x00 }; | |
1097 | struct filter_info *finfo = (struct filter_info *)dvbdmxfeed->priv; | |
1098 | unsigned long flags; | |
1099 | ||
1100 | b0[1] = finfo->stream_id; | |
1101 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1102 | list_del(&finfo->filter_info_list); | |
1103 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
1104 | kfree(finfo); | |
1105 | ttusb_dec_send_command(dec, 0x62, sizeof(b0), b0, NULL, NULL); | |
1106 | ||
1107 | dec->filter_stream_count--; | |
1108 | ||
1109 | ttusb_dec_stop_iso_xfer(dec); | |
1110 | ||
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | static int ttusb_dec_stop_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1115 | { | |
1116 | dprintk("%s\n", __FUNCTION__); | |
1117 | ||
1118 | switch (dvbdmxfeed->type) { | |
1119 | case DMX_TYPE_TS: | |
1120 | return ttusb_dec_stop_ts_feed(dvbdmxfeed); | |
1121 | break; | |
1122 | ||
1123 | case DMX_TYPE_SEC: | |
1124 | return ttusb_dec_stop_sec_feed(dvbdmxfeed); | |
1125 | break; | |
1126 | } | |
1127 | ||
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec) | |
1132 | { | |
1133 | int i; | |
1134 | ||
1135 | dprintk("%s\n", __FUNCTION__); | |
1136 | ||
1137 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
5d02d027 | 1138 | usb_free_urb(dec->iso_urb[i]); |
1da177e4 LT |
1139 | |
1140 | pci_free_consistent(NULL, | |
1141 | ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * | |
1142 | ISO_BUF_COUNT), | |
1143 | dec->iso_buffer, dec->iso_dma_handle); | |
1144 | } | |
1145 | ||
1146 | static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) | |
1147 | { | |
1148 | int i; | |
1149 | ||
1150 | dprintk("%s\n", __FUNCTION__); | |
1151 | ||
1152 | dec->iso_buffer = pci_alloc_consistent(NULL, | |
1153 | ISO_FRAME_SIZE * | |
1154 | (FRAMES_PER_ISO_BUF * | |
1155 | ISO_BUF_COUNT), | |
1156 | &dec->iso_dma_handle); | |
1157 | ||
1158 | memset(dec->iso_buffer, 0, | |
1159 | ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT)); | |
1160 | ||
1161 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
1162 | struct urb *urb; | |
1163 | ||
1164 | if (!(urb = usb_alloc_urb(FRAMES_PER_ISO_BUF, GFP_ATOMIC))) { | |
1165 | ttusb_dec_free_iso_urbs(dec); | |
1166 | return -ENOMEM; | |
1167 | } | |
1168 | ||
1169 | dec->iso_urb[i] = urb; | |
1170 | } | |
1171 | ||
1172 | ttusb_dec_setup_urbs(dec); | |
1173 | ||
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | static void ttusb_dec_init_tasklet(struct ttusb_dec *dec) | |
1178 | { | |
1179 | spin_lock_init(&dec->urb_frame_list_lock); | |
1180 | INIT_LIST_HEAD(&dec->urb_frame_list); | |
1181 | tasklet_init(&dec->urb_tasklet, ttusb_dec_process_urb_frame_list, | |
1182 | (unsigned long)dec); | |
1183 | } | |
1184 | ||
50c25fff | 1185 | static int ttusb_init_rc( struct ttusb_dec *dec) |
1da177e4 | 1186 | { |
b7df3910 | 1187 | struct input_dev *input_dev; |
1da177e4 LT |
1188 | u8 b[] = { 0x00, 0x01 }; |
1189 | int i; | |
1190 | ||
b7df3910 DT |
1191 | usb_make_path(dec->udev, dec->rc_phys, sizeof(dec->rc_phys)); |
1192 | strlcpy(dec->rc_phys, "/input0", sizeof(dec->rc_phys)); | |
1da177e4 | 1193 | |
b7df3910 DT |
1194 | dec->rc_input_dev = input_dev = input_allocate_device(); |
1195 | if (!input_dev) | |
1196 | return -ENOMEM; | |
1197 | ||
1198 | input_dev->name = "ttusb_dec remote control"; | |
1199 | input_dev->phys = dec->rc_phys; | |
1200 | input_dev->evbit[0] = BIT(EV_KEY); | |
1201 | input_dev->keycodesize = sizeof(u16); | |
1202 | input_dev->keycodemax = 0x1a; | |
1203 | input_dev->keycode = rc_keys; | |
1da177e4 | 1204 | |
b7df3910 | 1205 | for (i = 0; i < ARRAY_SIZE(rc_keys); i++) |
50c25fff | 1206 | set_bit(rc_keys[i], input_dev->keybit); |
1da177e4 | 1207 | |
b7df3910 | 1208 | input_register_device(input_dev); |
1da177e4 | 1209 | |
b7df3910 | 1210 | if (usb_submit_urb(dec->irq_urb, GFP_KERNEL)) |
1da177e4 | 1211 | printk("%s: usb_submit_urb failed\n",__FUNCTION__); |
1da177e4 LT |
1212 | /* enable irq pipe */ |
1213 | ttusb_dec_send_command(dec,0xb0,sizeof(b),b,NULL,NULL); | |
b7df3910 DT |
1214 | |
1215 | return 0; | |
1da177e4 LT |
1216 | } |
1217 | ||
1218 | static void ttusb_dec_init_v_pes(struct ttusb_dec *dec) | |
1219 | { | |
1220 | dprintk("%s\n", __FUNCTION__); | |
1221 | ||
1222 | dec->v_pes[0] = 0x00; | |
1223 | dec->v_pes[1] = 0x00; | |
1224 | dec->v_pes[2] = 0x01; | |
1225 | dec->v_pes[3] = 0xe0; | |
1226 | } | |
1227 | ||
1228 | static int ttusb_dec_init_usb(struct ttusb_dec *dec) | |
1229 | { | |
1230 | dprintk("%s\n", __FUNCTION__); | |
1231 | ||
3593cab5 IM |
1232 | mutex_init(&dec->usb_mutex); |
1233 | mutex_init(&dec->iso_mutex); | |
1da177e4 LT |
1234 | |
1235 | dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE); | |
1236 | dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE); | |
1237 | dec->in_pipe = usb_rcvisocpipe(dec->udev, IN_PIPE); | |
1238 | dec->out_pipe = usb_sndisocpipe(dec->udev, OUT_PIPE); | |
1239 | dec->irq_pipe = usb_rcvintpipe(dec->udev, IRQ_PIPE); | |
1240 | ||
1241 | if(enable_rc) { | |
1242 | dec->irq_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1243 | if(!dec->irq_urb) { | |
1244 | return -ENOMEM; | |
1245 | } | |
1246 | dec->irq_buffer = usb_buffer_alloc(dec->udev,IRQ_PACKET_SIZE, | |
1247 | SLAB_ATOMIC, &dec->irq_dma_handle); | |
1248 | if(!dec->irq_buffer) { | |
1249 | return -ENOMEM; | |
1250 | } | |
1251 | usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe, | |
1252 | dec->irq_buffer, IRQ_PACKET_SIZE, | |
1253 | ttusb_dec_handle_irq, dec, 1); | |
1254 | dec->irq_urb->transfer_dma = dec->irq_dma_handle; | |
1255 | dec->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1256 | } | |
1257 | ||
1258 | return ttusb_dec_alloc_iso_urbs(dec); | |
1259 | } | |
1260 | ||
1261 | static int ttusb_dec_boot_dsp(struct ttusb_dec *dec) | |
1262 | { | |
1263 | int i, j, actual_len, result, size, trans_count; | |
1264 | u8 b0[] = { 0x00, 0x00, 0x00, 0x00, | |
1265 | 0x00, 0x00, 0x00, 0x00, | |
1266 | 0x61, 0x00 }; | |
1267 | u8 b1[] = { 0x61 }; | |
1268 | u8 *b; | |
1269 | char idstring[21]; | |
1270 | u8 *firmware = NULL; | |
1271 | size_t firmware_size = 0; | |
1272 | u16 firmware_csum = 0; | |
1273 | u16 firmware_csum_ns; | |
1274 | u32 firmware_size_nl; | |
1275 | u32 crc32_csum, crc32_check, tmp; | |
1276 | const struct firmware *fw_entry = NULL; | |
1277 | ||
1278 | dprintk("%s\n", __FUNCTION__); | |
1279 | ||
1280 | if (request_firmware(&fw_entry, dec->firmware_name, &dec->udev->dev)) { | |
1281 | printk(KERN_ERR "%s: Firmware (%s) unavailable.\n", | |
1282 | __FUNCTION__, dec->firmware_name); | |
1283 | return 1; | |
1284 | } | |
1285 | ||
1286 | firmware = fw_entry->data; | |
1287 | firmware_size = fw_entry->size; | |
1288 | ||
1289 | if (firmware_size < 60) { | |
1290 | printk("%s: firmware size too small for DSP code (%zu < 60).\n", | |
1291 | __FUNCTION__, firmware_size); | |
0c744b01 | 1292 | release_firmware(fw_entry); |
1da177e4 LT |
1293 | return -1; |
1294 | } | |
1295 | ||
1296 | /* a 32 bit checksum over the first 56 bytes of the DSP Code is stored | |
1297 | at offset 56 of file, so use it to check if the firmware file is | |
1298 | valid. */ | |
1299 | crc32_csum = crc32(~0L, firmware, 56) ^ ~0L; | |
1300 | memcpy(&tmp, &firmware[56], 4); | |
1301 | crc32_check = htonl(tmp); | |
1302 | if (crc32_csum != crc32_check) { | |
1303 | printk("%s: crc32 check of DSP code failed (calculated " | |
1304 | "0x%08x != 0x%08x in file), file invalid.\n", | |
1305 | __FUNCTION__, crc32_csum, crc32_check); | |
0c744b01 | 1306 | release_firmware(fw_entry); |
1da177e4 LT |
1307 | return -1; |
1308 | } | |
1309 | memcpy(idstring, &firmware[36], 20); | |
1310 | idstring[20] = '\0'; | |
1311 | printk(KERN_INFO "ttusb_dec: found DSP code \"%s\".\n", idstring); | |
1312 | ||
1313 | firmware_size_nl = htonl(firmware_size); | |
1314 | memcpy(b0, &firmware_size_nl, 4); | |
1315 | firmware_csum = crc16(~0, firmware, firmware_size) ^ ~0; | |
1316 | firmware_csum_ns = htons(firmware_csum); | |
1317 | memcpy(&b0[6], &firmware_csum_ns, 2); | |
1318 | ||
1319 | result = ttusb_dec_send_command(dec, 0x41, sizeof(b0), b0, NULL, NULL); | |
1320 | ||
0c744b01 AH |
1321 | if (result) { |
1322 | release_firmware(fw_entry); | |
1da177e4 | 1323 | return result; |
0c744b01 | 1324 | } |
1da177e4 LT |
1325 | |
1326 | trans_count = 0; | |
1327 | j = 0; | |
1328 | ||
1329 | b = kmalloc(ARM_PACKET_SIZE, GFP_KERNEL); | |
0c744b01 AH |
1330 | if (b == NULL) { |
1331 | release_firmware(fw_entry); | |
1da177e4 | 1332 | return -ENOMEM; |
0c744b01 | 1333 | } |
1da177e4 LT |
1334 | |
1335 | for (i = 0; i < firmware_size; i += COMMAND_PACKET_SIZE) { | |
1336 | size = firmware_size - i; | |
1337 | if (size > COMMAND_PACKET_SIZE) | |
1338 | size = COMMAND_PACKET_SIZE; | |
1339 | ||
1340 | b[j + 0] = 0xaa; | |
1341 | b[j + 1] = trans_count++; | |
1342 | b[j + 2] = 0xf0; | |
1343 | b[j + 3] = size; | |
1344 | memcpy(&b[j + 4], &firmware[i], size); | |
1345 | ||
1346 | j += COMMAND_PACKET_SIZE + 4; | |
1347 | ||
1348 | if (j >= ARM_PACKET_SIZE) { | |
1349 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1350 | ARM_PACKET_SIZE, &actual_len, | |
1351 | 100); | |
1352 | j = 0; | |
1353 | } else if (size < COMMAND_PACKET_SIZE) { | |
1354 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1355 | j - COMMAND_PACKET_SIZE + size, | |
1356 | &actual_len, 100); | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | result = ttusb_dec_send_command(dec, 0x43, sizeof(b1), b1, NULL, NULL); | |
1361 | ||
0c744b01 | 1362 | release_firmware(fw_entry); |
1da177e4 LT |
1363 | kfree(b); |
1364 | ||
1365 | return result; | |
1366 | } | |
1367 | ||
1368 | static int ttusb_dec_init_stb(struct ttusb_dec *dec) | |
1369 | { | |
1370 | int result; | |
1371 | unsigned int mode, model, version; | |
1372 | ||
1373 | dprintk("%s\n", __FUNCTION__); | |
1374 | ||
1375 | result = ttusb_dec_get_stb_state(dec, &mode, &model, &version); | |
1376 | ||
1377 | if (!result) { | |
1378 | if (!mode) { | |
1379 | if (version == 0xABCDEFAB) | |
1380 | printk(KERN_INFO "ttusb_dec: no version " | |
1381 | "info in Firmware\n"); | |
1382 | else | |
1383 | printk(KERN_INFO "ttusb_dec: Firmware " | |
1384 | "%x.%02x%c%c\n", | |
1385 | version >> 24, (version >> 16) & 0xff, | |
1386 | (version >> 8) & 0xff, version & 0xff); | |
1387 | ||
1388 | result = ttusb_dec_boot_dsp(dec); | |
1389 | if (result) | |
1390 | return result; | |
1391 | else | |
1392 | return 1; | |
1393 | } else { | |
1394 | /* We can't trust the USB IDs that some firmwares | |
1395 | give the box */ | |
1396 | switch (model) { | |
f961e71a | 1397 | case 0x00070001: |
1da177e4 LT |
1398 | case 0x00070008: |
1399 | case 0x0007000c: | |
1400 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1401 | break; | |
1402 | case 0x00070009: | |
1403 | case 0x00070013: | |
1404 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1405 | break; | |
1406 | case 0x00070011: | |
1407 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1408 | break; | |
1409 | default: | |
1410 | printk(KERN_ERR "%s: unknown model returned " | |
1411 | "by firmware (%08x) - please report\n", | |
1412 | __FUNCTION__, model); | |
1413 | return -1; | |
1414 | break; | |
1415 | } | |
1416 | ||
1417 | if (version >= 0x01770000) | |
1418 | dec->can_playback = 1; | |
1419 | ||
1420 | return 0; | |
1421 | } | |
1422 | } | |
1423 | else | |
1424 | return result; | |
1425 | } | |
1426 | ||
1427 | static int ttusb_dec_init_dvb(struct ttusb_dec *dec) | |
1428 | { | |
1429 | int result; | |
1430 | ||
1431 | dprintk("%s\n", __FUNCTION__); | |
1432 | ||
1433 | if ((result = dvb_register_adapter(&dec->adapter, | |
d09dbf92 | 1434 | dec->model_name, THIS_MODULE, &dec->udev->dev)) < 0) { |
1da177e4 LT |
1435 | printk("%s: dvb_register_adapter failed: error %d\n", |
1436 | __FUNCTION__, result); | |
1437 | ||
1438 | return result; | |
1439 | } | |
1440 | ||
1441 | dec->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; | |
1442 | ||
1443 | dec->demux.priv = (void *)dec; | |
1444 | dec->demux.filternum = 31; | |
1445 | dec->demux.feednum = 31; | |
1446 | dec->demux.start_feed = ttusb_dec_start_feed; | |
1447 | dec->demux.stop_feed = ttusb_dec_stop_feed; | |
1448 | dec->demux.write_to_decoder = NULL; | |
1449 | ||
1450 | if ((result = dvb_dmx_init(&dec->demux)) < 0) { | |
1451 | printk("%s: dvb_dmx_init failed: error %d\n", __FUNCTION__, | |
1452 | result); | |
1453 | ||
fdc53a6d | 1454 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1455 | |
1456 | return result; | |
1457 | } | |
1458 | ||
1459 | dec->dmxdev.filternum = 32; | |
1460 | dec->dmxdev.demux = &dec->demux.dmx; | |
1461 | dec->dmxdev.capabilities = 0; | |
1462 | ||
fdc53a6d | 1463 | if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) { |
1da177e4 LT |
1464 | printk("%s: dvb_dmxdev_init failed: error %d\n", |
1465 | __FUNCTION__, result); | |
1466 | ||
1467 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1468 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1469 | |
1470 | return result; | |
1471 | } | |
1472 | ||
1473 | dec->frontend.source = DMX_FRONTEND_0; | |
1474 | ||
1475 | if ((result = dec->demux.dmx.add_frontend(&dec->demux.dmx, | |
1476 | &dec->frontend)) < 0) { | |
1477 | printk("%s: dvb_dmx_init failed: error %d\n", __FUNCTION__, | |
1478 | result); | |
1479 | ||
1480 | dvb_dmxdev_release(&dec->dmxdev); | |
1481 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1482 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1483 | |
1484 | return result; | |
1485 | } | |
1486 | ||
1487 | if ((result = dec->demux.dmx.connect_frontend(&dec->demux.dmx, | |
1488 | &dec->frontend)) < 0) { | |
1489 | printk("%s: dvb_dmx_init failed: error %d\n", __FUNCTION__, | |
1490 | result); | |
1491 | ||
1492 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1493 | dvb_dmxdev_release(&dec->dmxdev); | |
1494 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1495 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1496 | |
1497 | return result; | |
1498 | } | |
1499 | ||
fdc53a6d | 1500 | dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx); |
1da177e4 LT |
1501 | |
1502 | return 0; | |
1503 | } | |
1504 | ||
1505 | static void ttusb_dec_exit_dvb(struct ttusb_dec *dec) | |
1506 | { | |
1507 | dprintk("%s\n", __FUNCTION__); | |
1508 | ||
1509 | dvb_net_release(&dec->dvb_net); | |
1510 | dec->demux.dmx.close(&dec->demux.dmx); | |
1511 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1512 | dvb_dmxdev_release(&dec->dmxdev); | |
1513 | dvb_dmx_release(&dec->demux); | |
2bfe031d AQ |
1514 | if (dec->fe) { |
1515 | dvb_unregister_frontend(dec->fe); | |
1516 | if (dec->fe->ops.release) | |
1517 | dec->fe->ops.release(dec->fe); | |
1518 | } | |
fdc53a6d | 1519 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1520 | } |
1521 | ||
1522 | static void ttusb_dec_exit_rc(struct ttusb_dec *dec) | |
1523 | { | |
1524 | ||
1525 | dprintk("%s\n", __FUNCTION__); | |
1526 | /* we have to check whether the irq URB is already submitted. | |
1527 | * As the irq is submitted after the interface is changed, | |
1528 | * this is the best method i figured out. | |
1529 | * Any others?*/ | |
b7df3910 | 1530 | if (dec->interface == TTUSB_DEC_INTERFACE_IN) |
1da177e4 LT |
1531 | usb_kill_urb(dec->irq_urb); |
1532 | ||
1533 | usb_free_urb(dec->irq_urb); | |
1534 | ||
1535 | usb_buffer_free(dec->udev,IRQ_PACKET_SIZE, | |
9101e622 | 1536 | dec->irq_buffer, dec->irq_dma_handle); |
1da177e4 | 1537 | |
b7df3910 DT |
1538 | if (dec->rc_input_dev) { |
1539 | input_unregister_device(dec->rc_input_dev); | |
1540 | dec->rc_input_dev = NULL; | |
1541 | } | |
1da177e4 LT |
1542 | } |
1543 | ||
1544 | ||
1545 | static void ttusb_dec_exit_usb(struct ttusb_dec *dec) | |
1546 | { | |
1547 | int i; | |
1548 | ||
1549 | dprintk("%s\n", __FUNCTION__); | |
1550 | ||
1551 | dec->iso_stream_count = 0; | |
1552 | ||
1553 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
1554 | usb_kill_urb(dec->iso_urb[i]); | |
1555 | ||
1556 | ttusb_dec_free_iso_urbs(dec); | |
1557 | } | |
1558 | ||
1559 | static void ttusb_dec_exit_tasklet(struct ttusb_dec *dec) | |
1560 | { | |
1561 | struct list_head *item; | |
1562 | struct urb_frame *frame; | |
1563 | ||
1564 | tasklet_kill(&dec->urb_tasklet); | |
1565 | ||
1566 | while ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
1567 | frame = list_entry(item, struct urb_frame, urb_frame_list); | |
1568 | list_del(&frame->urb_frame_list); | |
1569 | kfree(frame); | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | static void ttusb_dec_init_filters(struct ttusb_dec *dec) | |
1574 | { | |
1575 | INIT_LIST_HEAD(&dec->filter_info_list); | |
1576 | spin_lock_init(&dec->filter_info_list_lock); | |
1577 | } | |
1578 | ||
1579 | static void ttusb_dec_exit_filters(struct ttusb_dec *dec) | |
1580 | { | |
1581 | struct list_head *item; | |
1582 | struct filter_info *finfo; | |
1583 | ||
1584 | while ((item = dec->filter_info_list.next) != &dec->filter_info_list) { | |
1585 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
1586 | list_del(&finfo->filter_info_list); | |
1587 | kfree(finfo); | |
1588 | } | |
1589 | } | |
1590 | ||
d91b730d JS |
1591 | static int fe_send_command(struct dvb_frontend* fe, const u8 command, |
1592 | int param_length, const u8 params[], | |
1593 | int *result_length, u8 cmd_result[]) | |
1da177e4 | 1594 | { |
f961e71a | 1595 | struct ttusb_dec* dec = fe->dvb->priv; |
1da177e4 LT |
1596 | return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result); |
1597 | } | |
1598 | ||
d91b730d | 1599 | static struct ttusbdecfe_config fe_config = { |
1da177e4 LT |
1600 | .send_command = fe_send_command |
1601 | }; | |
1602 | ||
1603 | static int ttusb_dec_probe(struct usb_interface *intf, | |
1604 | const struct usb_device_id *id) | |
1605 | { | |
1606 | struct usb_device *udev; | |
1607 | struct ttusb_dec *dec; | |
1608 | ||
1609 | dprintk("%s\n", __FUNCTION__); | |
1610 | ||
1611 | udev = interface_to_usbdev(intf); | |
1612 | ||
7408187d | 1613 | if (!(dec = kzalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) { |
1da177e4 LT |
1614 | printk("%s: couldn't allocate memory.\n", __FUNCTION__); |
1615 | return -ENOMEM; | |
1616 | } | |
1617 | ||
1618 | usb_set_intfdata(intf, (void *)dec); | |
1619 | ||
1da177e4 LT |
1620 | switch (le16_to_cpu(id->idProduct)) { |
1621 | case 0x1006: | |
1622 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1623 | break; | |
1624 | ||
1625 | case 0x1008: | |
1626 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1627 | break; | |
1628 | ||
1629 | case 0x1009: | |
1630 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1631 | break; | |
1632 | } | |
1633 | ||
1634 | dec->udev = udev; | |
1635 | ||
1636 | if (ttusb_dec_init_usb(dec)) | |
1637 | return 0; | |
1638 | if (ttusb_dec_init_stb(dec)) { | |
1639 | ttusb_dec_exit_usb(dec); | |
1640 | return 0; | |
1641 | } | |
1642 | ttusb_dec_init_dvb(dec); | |
1643 | ||
fdc53a6d | 1644 | dec->adapter.priv = dec; |
1da177e4 LT |
1645 | switch (le16_to_cpu(id->idProduct)) { |
1646 | case 0x1006: | |
1647 | dec->fe = ttusbdecfe_dvbs_attach(&fe_config); | |
1648 | break; | |
1649 | ||
1650 | case 0x1008: | |
1651 | case 0x1009: | |
1652 | dec->fe = ttusbdecfe_dvbt_attach(&fe_config); | |
1653 | break; | |
1654 | } | |
1655 | ||
1656 | if (dec->fe == NULL) { | |
1657 | printk("dvb-ttusb-dec: A frontend driver was not found for device %04x/%04x\n", | |
1658 | le16_to_cpu(dec->udev->descriptor.idVendor), | |
1659 | le16_to_cpu(dec->udev->descriptor.idProduct)); | |
1660 | } else { | |
fdc53a6d | 1661 | if (dvb_register_frontend(&dec->adapter, dec->fe)) { |
1da177e4 | 1662 | printk("budget-ci: Frontend registration failed!\n"); |
dea74869 PB |
1663 | if (dec->fe->ops.release) |
1664 | dec->fe->ops.release(dec->fe); | |
1da177e4 LT |
1665 | dec->fe = NULL; |
1666 | } | |
1667 | } | |
1668 | ||
1669 | ttusb_dec_init_v_pes(dec); | |
1670 | ttusb_dec_init_filters(dec); | |
1671 | ttusb_dec_init_tasklet(dec); | |
1672 | ||
1673 | dec->active = 1; | |
1674 | ||
1675 | ttusb_dec_set_interface(dec, TTUSB_DEC_INTERFACE_IN); | |
1676 | ||
b7df3910 | 1677 | if (enable_rc) |
1da177e4 LT |
1678 | ttusb_init_rc(dec); |
1679 | ||
1680 | return 0; | |
1681 | } | |
1682 | ||
1683 | static void ttusb_dec_disconnect(struct usb_interface *intf) | |
1684 | { | |
1685 | struct ttusb_dec *dec = usb_get_intfdata(intf); | |
1686 | ||
1687 | usb_set_intfdata(intf, NULL); | |
1688 | ||
1689 | dprintk("%s\n", __FUNCTION__); | |
1690 | ||
1691 | if (dec->active) { | |
1692 | ttusb_dec_exit_tasklet(dec); | |
1693 | ttusb_dec_exit_filters(dec); | |
1694 | if(enable_rc) | |
1695 | ttusb_dec_exit_rc(dec); | |
1696 | ttusb_dec_exit_usb(dec); | |
1697 | ttusb_dec_exit_dvb(dec); | |
1698 | } | |
1699 | ||
1700 | kfree(dec); | |
1701 | } | |
1702 | ||
1703 | static void ttusb_dec_set_model(struct ttusb_dec *dec, | |
1704 | enum ttusb_dec_model model) | |
1705 | { | |
1706 | dec->model = model; | |
1707 | ||
1708 | switch (model) { | |
1709 | case TTUSB_DEC2000T: | |
1710 | dec->model_name = "DEC2000-t"; | |
1711 | dec->firmware_name = "dvb-ttusb-dec-2000t.fw"; | |
1712 | break; | |
1713 | ||
1714 | case TTUSB_DEC2540T: | |
1715 | dec->model_name = "DEC2540-t"; | |
1716 | dec->firmware_name = "dvb-ttusb-dec-2540t.fw"; | |
1717 | break; | |
1718 | ||
1719 | case TTUSB_DEC3000S: | |
1720 | dec->model_name = "DEC3000-s"; | |
1721 | dec->firmware_name = "dvb-ttusb-dec-3000s.fw"; | |
1722 | break; | |
1723 | } | |
1724 | } | |
1725 | ||
1726 | static struct usb_device_id ttusb_dec_table[] = { | |
1727 | {USB_DEVICE(0x0b48, 0x1006)}, /* DEC3000-s */ | |
1728 | /*{USB_DEVICE(0x0b48, 0x1007)}, Unconfirmed */ | |
1729 | {USB_DEVICE(0x0b48, 0x1008)}, /* DEC2000-t */ | |
1730 | {USB_DEVICE(0x0b48, 0x1009)}, /* DEC2540-t */ | |
1731 | {} | |
1732 | }; | |
1733 | ||
1734 | static struct usb_driver ttusb_dec_driver = { | |
1735 | .name = "ttusb-dec", | |
1736 | .probe = ttusb_dec_probe, | |
1737 | .disconnect = ttusb_dec_disconnect, | |
1738 | .id_table = ttusb_dec_table, | |
1739 | }; | |
1740 | ||
1741 | static int __init ttusb_dec_init(void) | |
1742 | { | |
1743 | int result; | |
1744 | ||
1745 | if ((result = usb_register(&ttusb_dec_driver)) < 0) { | |
1746 | printk("%s: initialisation failed: error %d.\n", __FUNCTION__, | |
1747 | result); | |
1748 | return result; | |
1749 | } | |
1750 | ||
1751 | return 0; | |
1752 | } | |
1753 | ||
1754 | static void __exit ttusb_dec_exit(void) | |
1755 | { | |
1756 | usb_deregister(&ttusb_dec_driver); | |
1757 | } | |
1758 | ||
1759 | module_init(ttusb_dec_init); | |
1760 | module_exit(ttusb_dec_exit); | |
1761 | ||
1762 | MODULE_AUTHOR("Alex Woods <linux-dvb@giblets.org>"); | |
1763 | MODULE_DESCRIPTION(DRIVER_NAME); | |
1764 | MODULE_LICENSE("GPL"); | |
1765 | MODULE_DEVICE_TABLE(usb, ttusb_dec_table); |