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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 | * | |
1da177e4 LT |
17 | */ |
18 | ||
1da177e4 LT |
19 | #include <linux/list.h> |
20 | #include <linux/module.h> | |
1da177e4 LT |
21 | #include <linux/pci.h> |
22 | #include <linux/slab.h> | |
23 | #include <linux/spinlock.h> | |
24 | #include <linux/usb.h> | |
1da177e4 LT |
25 | #include <linux/interrupt.h> |
26 | #include <linux/firmware.h> | |
27 | #include <linux/crc32.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/input.h> | |
30 | ||
6827709a TP |
31 | #include <linux/mutex.h> |
32 | ||
1da177e4 LT |
33 | #include "dmxdev.h" |
34 | #include "dvb_demux.h" | |
1da177e4 LT |
35 | #include "dvb_frontend.h" |
36 | #include "dvb_net.h" | |
37 | #include "ttusbdecfe.h" | |
38 | ||
39 | static int debug; | |
40 | static int output_pva; | |
41 | static int enable_rc; | |
42 | ||
43 | module_param(debug, int, 0644); | |
44 | MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); | |
45 | module_param(output_pva, int, 0444); | |
46 | MODULE_PARM_DESC(output_pva, "Output PVA from dvr device (default:off)"); | |
47 | module_param(enable_rc, int, 0644); | |
48 | MODULE_PARM_DESC(enable_rc, "Turn on/off IR remote control(default: off)"); | |
49 | ||
78e92006 JG |
50 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
51 | ||
1da177e4 LT |
52 | #define dprintk if (debug) printk |
53 | ||
54 | #define DRIVER_NAME "TechnoTrend/Hauppauge DEC USB" | |
55 | ||
56 | #define COMMAND_PIPE 0x03 | |
57 | #define RESULT_PIPE 0x04 | |
58 | #define IN_PIPE 0x08 | |
59 | #define OUT_PIPE 0x07 | |
60 | #define IRQ_PIPE 0x0A | |
61 | ||
62 | #define COMMAND_PACKET_SIZE 0x3c | |
63 | #define ARM_PACKET_SIZE 0x1000 | |
64 | #define IRQ_PACKET_SIZE 0x8 | |
65 | ||
66 | #define ISO_BUF_COUNT 0x04 | |
67 | #define FRAMES_PER_ISO_BUF 0x04 | |
68 | #define ISO_FRAME_SIZE 0x0380 | |
69 | ||
70 | #define MAX_PVA_LENGTH 6144 | |
71 | ||
72 | enum ttusb_dec_model { | |
73 | TTUSB_DEC2000T, | |
74 | TTUSB_DEC2540T, | |
75 | TTUSB_DEC3000S | |
76 | }; | |
77 | ||
78 | enum ttusb_dec_packet_type { | |
79 | TTUSB_DEC_PACKET_PVA, | |
80 | TTUSB_DEC_PACKET_SECTION, | |
81 | TTUSB_DEC_PACKET_EMPTY | |
82 | }; | |
83 | ||
84 | enum ttusb_dec_interface { | |
85 | TTUSB_DEC_INTERFACE_INITIAL, | |
86 | TTUSB_DEC_INTERFACE_IN, | |
87 | TTUSB_DEC_INTERFACE_OUT | |
88 | }; | |
89 | ||
b676e731 MCC |
90 | typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *); |
91 | ||
92 | struct dvb_filter_pes2ts { | |
93 | unsigned char buf[188]; | |
94 | unsigned char cc; | |
95 | dvb_filter_pes2ts_cb_t *cb; | |
96 | void *priv; | |
97 | }; | |
98 | ||
1da177e4 LT |
99 | struct ttusb_dec { |
100 | enum ttusb_dec_model model; | |
101 | char *model_name; | |
102 | char *firmware_name; | |
103 | int can_playback; | |
104 | ||
105 | /* DVB bits */ | |
fdc53a6d | 106 | struct dvb_adapter adapter; |
1da177e4 LT |
107 | struct dmxdev dmxdev; |
108 | struct dvb_demux demux; | |
109 | struct dmx_frontend frontend; | |
110 | struct dvb_net dvb_net; | |
111 | struct dvb_frontend* fe; | |
112 | ||
113 | u16 pid[DMX_PES_OTHER]; | |
114 | ||
115 | /* USB bits */ | |
116 | struct usb_device *udev; | |
117 | u8 trans_count; | |
118 | unsigned int command_pipe; | |
119 | unsigned int result_pipe; | |
120 | unsigned int in_pipe; | |
121 | unsigned int out_pipe; | |
122 | unsigned int irq_pipe; | |
123 | enum ttusb_dec_interface interface; | |
3593cab5 | 124 | struct mutex usb_mutex; |
1da177e4 LT |
125 | |
126 | void *irq_buffer; | |
127 | struct urb *irq_urb; | |
128 | dma_addr_t irq_dma_handle; | |
129 | void *iso_buffer; | |
130 | dma_addr_t iso_dma_handle; | |
131 | struct urb *iso_urb[ISO_BUF_COUNT]; | |
132 | int iso_stream_count; | |
3593cab5 | 133 | struct mutex iso_mutex; |
1da177e4 LT |
134 | |
135 | u8 packet[MAX_PVA_LENGTH + 4]; | |
136 | enum ttusb_dec_packet_type packet_type; | |
137 | int packet_state; | |
138 | int packet_length; | |
139 | int packet_payload_length; | |
140 | u16 next_packet_id; | |
141 | ||
142 | int pva_stream_count; | |
143 | int filter_stream_count; | |
144 | ||
145 | struct dvb_filter_pes2ts a_pes2ts; | |
146 | struct dvb_filter_pes2ts v_pes2ts; | |
147 | ||
148 | u8 v_pes[16 + MAX_PVA_LENGTH]; | |
149 | int v_pes_length; | |
150 | int v_pes_postbytes; | |
151 | ||
152 | struct list_head urb_frame_list; | |
153 | struct tasklet_struct urb_tasklet; | |
154 | spinlock_t urb_frame_list_lock; | |
155 | ||
156 | struct dvb_demux_filter *audio_filter; | |
157 | struct dvb_demux_filter *video_filter; | |
158 | struct list_head filter_info_list; | |
159 | spinlock_t filter_info_list_lock; | |
160 | ||
b7df3910 DT |
161 | struct input_dev *rc_input_dev; |
162 | char rc_phys[64]; | |
1da177e4 LT |
163 | |
164 | int active; /* Loaded successfully */ | |
165 | }; | |
166 | ||
167 | struct urb_frame { | |
168 | u8 data[ISO_FRAME_SIZE]; | |
169 | int length; | |
170 | struct list_head urb_frame_list; | |
171 | }; | |
172 | ||
173 | struct filter_info { | |
174 | u8 stream_id; | |
175 | struct dvb_demux_filter *filter; | |
176 | struct list_head filter_info_list; | |
177 | }; | |
178 | ||
179 | static u16 rc_keys[] = { | |
180 | KEY_POWER, | |
181 | KEY_MUTE, | |
182 | KEY_1, | |
183 | KEY_2, | |
184 | KEY_3, | |
185 | KEY_4, | |
186 | KEY_5, | |
187 | KEY_6, | |
188 | KEY_7, | |
189 | KEY_8, | |
190 | KEY_9, | |
191 | KEY_0, | |
192 | KEY_CHANNELUP, | |
193 | KEY_VOLUMEDOWN, | |
194 | KEY_OK, | |
195 | KEY_VOLUMEUP, | |
196 | KEY_CHANNELDOWN, | |
197 | KEY_PREVIOUS, | |
198 | KEY_ESC, | |
199 | KEY_RED, | |
200 | KEY_GREEN, | |
201 | KEY_YELLOW, | |
202 | KEY_BLUE, | |
203 | KEY_OPTION, | |
204 | KEY_M, | |
205 | KEY_RADIO | |
206 | }; | |
207 | ||
b676e731 MCC |
208 | static void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, |
209 | unsigned short pid, | |
210 | dvb_filter_pes2ts_cb_t *cb, void *priv) | |
211 | { | |
212 | unsigned char *buf=p2ts->buf; | |
213 | ||
214 | buf[0]=0x47; | |
215 | buf[1]=(pid>>8); | |
216 | buf[2]=pid&0xff; | |
217 | p2ts->cc=0; | |
218 | p2ts->cb=cb; | |
219 | p2ts->priv=priv; | |
220 | } | |
221 | ||
222 | static int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, | |
223 | unsigned char *pes, int len, int payload_start) | |
224 | { | |
225 | unsigned char *buf=p2ts->buf; | |
226 | int ret=0, rest; | |
227 | ||
228 | //len=6+((pes[4]<<8)|pes[5]); | |
229 | ||
230 | if (payload_start) | |
231 | buf[1]|=0x40; | |
232 | else | |
233 | buf[1]&=~0x40; | |
234 | while (len>=184) { | |
235 | buf[3]=0x10|((p2ts->cc++)&0x0f); | |
236 | memcpy(buf+4, pes, 184); | |
237 | if ((ret=p2ts->cb(p2ts->priv, buf))) | |
238 | return ret; | |
239 | len-=184; pes+=184; | |
240 | buf[1]&=~0x40; | |
241 | } | |
242 | if (!len) | |
243 | return 0; | |
244 | buf[3]=0x30|((p2ts->cc++)&0x0f); | |
245 | rest=183-len; | |
246 | if (rest) { | |
247 | buf[5]=0x00; | |
248 | if (rest-1) | |
249 | memset(buf+6, 0xff, rest-1); | |
250 | } | |
251 | buf[4]=rest; | |
252 | memcpy(buf+5+rest, pes, len); | |
253 | return p2ts->cb(p2ts->priv, buf); | |
254 | } | |
255 | ||
1da177e4 LT |
256 | static void ttusb_dec_set_model(struct ttusb_dec *dec, |
257 | enum ttusb_dec_model model); | |
258 | ||
7d12e780 | 259 | static void ttusb_dec_handle_irq( struct urb *urb) |
1da177e4 | 260 | { |
3cc26912 | 261 | struct ttusb_dec *dec = urb->context; |
1da177e4 LT |
262 | char *buffer = dec->irq_buffer; |
263 | int retval; | |
264 | ||
265 | switch(urb->status) { | |
266 | case 0: /*success*/ | |
267 | break; | |
268 | case -ECONNRESET: | |
269 | case -ENOENT: | |
270 | case -ESHUTDOWN: | |
38e2bfc9 | 271 | case -ETIME: |
1da177e4 LT |
272 | /* this urb is dead, cleanup */ |
273 | dprintk("%s:urb shutting down with status: %d\n", | |
e9815cee | 274 | __func__, urb->status); |
1da177e4 LT |
275 | return; |
276 | default: | |
277 | dprintk("%s:nonzero status received: %d\n", | |
e9815cee | 278 | __func__,urb->status); |
1da177e4 LT |
279 | goto exit; |
280 | } | |
281 | ||
3cc26912 MCC |
282 | if ((buffer[0] == 0x1) && (buffer[2] == 0x15)) { |
283 | /* | |
284 | * IR - Event | |
285 | * | |
286 | * this is an fact a bit too simple implementation; | |
1da177e4 LT |
287 | * the box also reports a keyrepeat signal |
288 | * (with buffer[3] == 0x40) in an intervall of ~100ms. | |
289 | * But to handle this correctly we had to imlemenent some | |
290 | * kind of timer which signals a 'key up' event if no | |
25985edc | 291 | * keyrepeat signal is received for lets say 200ms. |
1da177e4 | 292 | * this should/could be added later ... |
3cc26912 MCC |
293 | * for now lets report each signal as a key down and up |
294 | */ | |
295 | if (buffer[4] - 1 < ARRAY_SIZE(rc_keys)) { | |
296 | dprintk("%s:rc signal:%d\n", __func__, buffer[4]); | |
297 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 1); | |
298 | input_sync(dec->rc_input_dev); | |
299 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 0); | |
300 | input_sync(dec->rc_input_dev); | |
301 | } | |
1da177e4 LT |
302 | } |
303 | ||
3cc26912 MCC |
304 | exit: |
305 | retval = usb_submit_urb(urb, GFP_ATOMIC); | |
306 | if (retval) | |
1da177e4 | 307 | printk("%s - usb_commit_urb failed with result: %d\n", |
e9815cee | 308 | __func__, retval); |
1da177e4 LT |
309 | } |
310 | ||
311 | static u16 crc16(u16 crc, const u8 *buf, size_t len) | |
312 | { | |
313 | u16 tmp; | |
314 | ||
315 | while (len--) { | |
316 | crc ^= *buf++; | |
317 | crc ^= (u8)crc >> 4; | |
318 | tmp = (u8)crc; | |
319 | crc ^= (tmp ^ (tmp << 1)) << 4; | |
320 | } | |
321 | return crc; | |
322 | } | |
323 | ||
324 | static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command, | |
325 | int param_length, const u8 params[], | |
326 | int *result_length, u8 cmd_result[]) | |
327 | { | |
61fc8749 | 328 | int result, actual_len; |
1da177e4 LT |
329 | u8 *b; |
330 | ||
e9815cee | 331 | dprintk("%s\n", __func__); |
1da177e4 LT |
332 | |
333 | b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL); | |
334 | if (!b) | |
335 | return -ENOMEM; | |
336 | ||
3593cab5 | 337 | if ((result = mutex_lock_interruptible(&dec->usb_mutex))) { |
1da177e4 | 338 | kfree(b); |
e9815cee | 339 | printk("%s: Failed to lock usb mutex.\n", __func__); |
1da177e4 LT |
340 | return result; |
341 | } | |
342 | ||
343 | b[0] = 0xaa; | |
344 | b[1] = ++dec->trans_count; | |
345 | b[2] = command; | |
346 | b[3] = param_length; | |
347 | ||
348 | if (params) | |
349 | memcpy(&b[4], params, param_length); | |
350 | ||
351 | if (debug) { | |
61fc8749 MCC |
352 | printk(KERN_DEBUG "%s: command: %*ph\n", |
353 | __func__, param_length, b); | |
1da177e4 LT |
354 | } |
355 | ||
356 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
357 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
358 | ||
359 | if (result) { | |
360 | printk("%s: command bulk message failed: error %d\n", | |
e9815cee | 361 | __func__, result); |
3593cab5 | 362 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
363 | kfree(b); |
364 | return result; | |
365 | } | |
366 | ||
367 | result = usb_bulk_msg(dec->udev, dec->result_pipe, b, | |
368 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
369 | ||
370 | if (result) { | |
371 | printk("%s: result bulk message failed: error %d\n", | |
e9815cee | 372 | __func__, result); |
3593cab5 | 373 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
374 | kfree(b); |
375 | return result; | |
376 | } else { | |
377 | if (debug) { | |
61fc8749 MCC |
378 | printk(KERN_DEBUG "%s: result: %*ph\n", |
379 | __func__, actual_len, b); | |
1da177e4 LT |
380 | } |
381 | ||
382 | if (result_length) | |
383 | *result_length = b[3]; | |
384 | if (cmd_result && b[3] > 0) | |
385 | memcpy(cmd_result, &b[4], b[3]); | |
386 | ||
3593cab5 | 387 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
388 | |
389 | kfree(b); | |
390 | return 0; | |
391 | } | |
392 | } | |
393 | ||
394 | static int ttusb_dec_get_stb_state (struct ttusb_dec *dec, unsigned int *mode, | |
395 | unsigned int *model, unsigned int *version) | |
396 | { | |
397 | u8 c[COMMAND_PACKET_SIZE]; | |
398 | int c_length; | |
399 | int result; | |
d4f979a9 | 400 | __be32 tmp; |
1da177e4 | 401 | |
e9815cee | 402 | dprintk("%s\n", __func__); |
1da177e4 LT |
403 | |
404 | result = ttusb_dec_send_command(dec, 0x08, 0, NULL, &c_length, c); | |
405 | if (result) | |
406 | return result; | |
407 | ||
408 | if (c_length >= 0x0c) { | |
409 | if (mode != NULL) { | |
410 | memcpy(&tmp, c, 4); | |
411 | *mode = ntohl(tmp); | |
412 | } | |
413 | if (model != NULL) { | |
414 | memcpy(&tmp, &c[4], 4); | |
415 | *model = ntohl(tmp); | |
416 | } | |
417 | if (version != NULL) { | |
418 | memcpy(&tmp, &c[8], 4); | |
419 | *version = ntohl(tmp); | |
420 | } | |
421 | return 0; | |
422 | } else { | |
cf732b5f | 423 | return -ENOENT; |
1da177e4 LT |
424 | } |
425 | } | |
426 | ||
427 | static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data) | |
428 | { | |
f961e71a | 429 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
430 | |
431 | dec->audio_filter->feed->cb.ts(data, 188, NULL, 0, | |
2f684b23 | 432 | &dec->audio_filter->feed->feed.ts); |
1da177e4 LT |
433 | |
434 | return 0; | |
435 | } | |
436 | ||
437 | static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data) | |
438 | { | |
f961e71a | 439 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
440 | |
441 | dec->video_filter->feed->cb.ts(data, 188, NULL, 0, | |
2f684b23 | 442 | &dec->video_filter->feed->feed.ts); |
1da177e4 LT |
443 | |
444 | return 0; | |
445 | } | |
446 | ||
447 | static void ttusb_dec_set_pids(struct ttusb_dec *dec) | |
448 | { | |
449 | u8 b[] = { 0x00, 0x00, 0x00, 0x00, | |
450 | 0x00, 0x00, 0xff, 0xff, | |
451 | 0xff, 0xff, 0xff, 0xff }; | |
452 | ||
d4f979a9 AV |
453 | __be16 pcr = htons(dec->pid[DMX_PES_PCR]); |
454 | __be16 audio = htons(dec->pid[DMX_PES_AUDIO]); | |
455 | __be16 video = htons(dec->pid[DMX_PES_VIDEO]); | |
1da177e4 | 456 | |
e9815cee | 457 | dprintk("%s\n", __func__); |
1da177e4 LT |
458 | |
459 | memcpy(&b[0], &pcr, 2); | |
460 | memcpy(&b[2], &audio, 2); | |
461 | memcpy(&b[4], &video, 2); | |
462 | ||
463 | ttusb_dec_send_command(dec, 0x50, sizeof(b), b, NULL, NULL); | |
464 | ||
465 | dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO], | |
466 | ttusb_dec_audio_pes2ts_cb, dec); | |
467 | dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO], | |
468 | ttusb_dec_video_pes2ts_cb, dec); | |
469 | dec->v_pes_length = 0; | |
470 | dec->v_pes_postbytes = 0; | |
471 | } | |
472 | ||
473 | static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length) | |
474 | { | |
475 | if (length < 8) { | |
e9815cee | 476 | printk("%s: packet too short - discarding\n", __func__); |
1da177e4 LT |
477 | return; |
478 | } | |
479 | ||
480 | if (length > 8 + MAX_PVA_LENGTH) { | |
e9815cee | 481 | printk("%s: packet too long - discarding\n", __func__); |
1da177e4 LT |
482 | return; |
483 | } | |
484 | ||
485 | switch (pva[2]) { | |
486 | ||
487 | case 0x01: { /* VideoStream */ | |
488 | int prebytes = pva[5] & 0x03; | |
489 | int postbytes = (pva[5] & 0x0c) >> 2; | |
d4f979a9 | 490 | __be16 v_pes_payload_length; |
1da177e4 LT |
491 | |
492 | if (output_pva) { | |
493 | dec->video_filter->feed->cb.ts(pva, length, NULL, 0, | |
2f684b23 | 494 | &dec->video_filter->feed->feed.ts); |
1da177e4 LT |
495 | return; |
496 | } | |
497 | ||
498 | if (dec->v_pes_postbytes > 0 && | |
499 | dec->v_pes_postbytes == prebytes) { | |
500 | memcpy(&dec->v_pes[dec->v_pes_length], | |
501 | &pva[12], prebytes); | |
502 | ||
503 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
504 | dec->v_pes_length + prebytes, 1); | |
505 | } | |
506 | ||
507 | if (pva[5] & 0x10) { | |
508 | dec->v_pes[7] = 0x80; | |
509 | dec->v_pes[8] = 0x05; | |
510 | ||
511 | dec->v_pes[9] = 0x21 | ((pva[8] & 0xc0) >> 5); | |
512 | dec->v_pes[10] = ((pva[8] & 0x3f) << 2) | | |
513 | ((pva[9] & 0xc0) >> 6); | |
514 | dec->v_pes[11] = 0x01 | | |
515 | ((pva[9] & 0x3f) << 2) | | |
516 | ((pva[10] & 0x80) >> 6); | |
517 | dec->v_pes[12] = ((pva[10] & 0x7f) << 1) | | |
518 | ((pva[11] & 0xc0) >> 7); | |
519 | dec->v_pes[13] = 0x01 | ((pva[11] & 0x7f) << 1); | |
520 | ||
521 | memcpy(&dec->v_pes[14], &pva[12 + prebytes], | |
522 | length - 12 - prebytes); | |
523 | dec->v_pes_length = 14 + length - 12 - prebytes; | |
524 | } else { | |
525 | dec->v_pes[7] = 0x00; | |
526 | dec->v_pes[8] = 0x00; | |
527 | ||
528 | memcpy(&dec->v_pes[9], &pva[8], length - 8); | |
529 | dec->v_pes_length = 9 + length - 8; | |
530 | } | |
531 | ||
532 | dec->v_pes_postbytes = postbytes; | |
533 | ||
534 | if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 && | |
535 | dec->v_pes[10 + dec->v_pes[8]] == 0x00 && | |
536 | dec->v_pes[11 + dec->v_pes[8]] == 0x01) | |
537 | dec->v_pes[6] = 0x84; | |
538 | else | |
539 | dec->v_pes[6] = 0x80; | |
540 | ||
541 | v_pes_payload_length = htons(dec->v_pes_length - 6 + | |
542 | postbytes); | |
543 | memcpy(&dec->v_pes[4], &v_pes_payload_length, 2); | |
544 | ||
545 | if (postbytes == 0) | |
546 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
547 | dec->v_pes_length, 1); | |
548 | ||
549 | break; | |
550 | } | |
551 | ||
552 | case 0x02: /* MainAudioStream */ | |
553 | if (output_pva) { | |
554 | dec->audio_filter->feed->cb.ts(pva, length, NULL, 0, | |
2f684b23 | 555 | &dec->audio_filter->feed->feed.ts); |
1da177e4 LT |
556 | return; |
557 | } | |
558 | ||
559 | dvb_filter_pes2ts(&dec->a_pes2ts, &pva[8], length - 8, | |
560 | pva[5] & 0x10); | |
561 | break; | |
562 | ||
563 | default: | |
e9815cee | 564 | printk("%s: unknown PVA type: %02x.\n", __func__, |
1da177e4 LT |
565 | pva[2]); |
566 | break; | |
567 | } | |
568 | } | |
569 | ||
570 | static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet, | |
571 | int length) | |
572 | { | |
573 | struct list_head *item; | |
574 | struct filter_info *finfo; | |
575 | struct dvb_demux_filter *filter = NULL; | |
576 | unsigned long flags; | |
577 | u8 sid; | |
578 | ||
579 | sid = packet[1]; | |
580 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
581 | for (item = dec->filter_info_list.next; item != &dec->filter_info_list; | |
582 | item = item->next) { | |
583 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
584 | if (finfo->stream_id == sid) { | |
585 | filter = finfo->filter; | |
586 | break; | |
587 | } | |
588 | } | |
589 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
590 | ||
591 | if (filter) | |
592 | filter->feed->cb.sec(&packet[2], length - 2, NULL, 0, | |
2f684b23 | 593 | &filter->filter); |
1da177e4 LT |
594 | } |
595 | ||
596 | static void ttusb_dec_process_packet(struct ttusb_dec *dec) | |
597 | { | |
598 | int i; | |
599 | u16 csum = 0; | |
600 | u16 packet_id; | |
601 | ||
602 | if (dec->packet_length % 2) { | |
e9815cee | 603 | printk("%s: odd sized packet - discarding\n", __func__); |
1da177e4 LT |
604 | return; |
605 | } | |
606 | ||
607 | for (i = 0; i < dec->packet_length; i += 2) | |
608 | csum ^= ((dec->packet[i] << 8) + dec->packet[i + 1]); | |
609 | ||
610 | if (csum) { | |
e9815cee | 611 | printk("%s: checksum failed - discarding\n", __func__); |
1da177e4 LT |
612 | return; |
613 | } | |
614 | ||
615 | packet_id = dec->packet[dec->packet_length - 4] << 8; | |
616 | packet_id += dec->packet[dec->packet_length - 3]; | |
617 | ||
618 | if ((packet_id != dec->next_packet_id) && dec->next_packet_id) { | |
619 | printk("%s: warning: lost packets between %u and %u\n", | |
e9815cee | 620 | __func__, dec->next_packet_id - 1, packet_id); |
1da177e4 LT |
621 | } |
622 | ||
623 | if (packet_id == 0xffff) | |
624 | dec->next_packet_id = 0x8000; | |
625 | else | |
626 | dec->next_packet_id = packet_id + 1; | |
627 | ||
628 | switch (dec->packet_type) { | |
629 | case TTUSB_DEC_PACKET_PVA: | |
630 | if (dec->pva_stream_count) | |
631 | ttusb_dec_process_pva(dec, dec->packet, | |
632 | dec->packet_payload_length); | |
633 | break; | |
634 | ||
635 | case TTUSB_DEC_PACKET_SECTION: | |
636 | if (dec->filter_stream_count) | |
637 | ttusb_dec_process_filter(dec, dec->packet, | |
638 | dec->packet_payload_length); | |
639 | break; | |
640 | ||
641 | case TTUSB_DEC_PACKET_EMPTY: | |
642 | break; | |
643 | } | |
644 | } | |
645 | ||
646 | static void swap_bytes(u8 *b, int length) | |
647 | { | |
1da177e4 | 648 | length -= length % 2; |
41cc14ba FF |
649 | for (; length; b += 2, length -= 2) |
650 | swap(*b, *(b + 1)); | |
1da177e4 LT |
651 | } |
652 | ||
653 | static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b, | |
654 | int length) | |
655 | { | |
656 | swap_bytes(b, length); | |
657 | ||
658 | while (length) { | |
659 | switch (dec->packet_state) { | |
660 | ||
661 | case 0: | |
662 | case 1: | |
663 | case 2: | |
664 | if (*b++ == 0xaa) | |
665 | dec->packet_state++; | |
666 | else | |
667 | dec->packet_state = 0; | |
668 | ||
669 | length--; | |
670 | break; | |
671 | ||
672 | case 3: | |
673 | if (*b == 0x00) { | |
674 | dec->packet_state++; | |
675 | dec->packet_length = 0; | |
676 | } else if (*b != 0xaa) { | |
677 | dec->packet_state = 0; | |
678 | } | |
679 | ||
680 | b++; | |
681 | length--; | |
682 | break; | |
683 | ||
684 | case 4: | |
685 | dec->packet[dec->packet_length++] = *b++; | |
686 | ||
687 | if (dec->packet_length == 2) { | |
688 | if (dec->packet[0] == 'A' && | |
689 | dec->packet[1] == 'V') { | |
690 | dec->packet_type = | |
691 | TTUSB_DEC_PACKET_PVA; | |
692 | dec->packet_state++; | |
693 | } else if (dec->packet[0] == 'S') { | |
694 | dec->packet_type = | |
695 | TTUSB_DEC_PACKET_SECTION; | |
696 | dec->packet_state++; | |
697 | } else if (dec->packet[0] == 0x00) { | |
698 | dec->packet_type = | |
699 | TTUSB_DEC_PACKET_EMPTY; | |
700 | dec->packet_payload_length = 2; | |
701 | dec->packet_state = 7; | |
702 | } else { | |
bf769a4e MCC |
703 | printk("%s: unknown packet type: %02x%02x\n", |
704 | __func__, | |
1da177e4 LT |
705 | dec->packet[0], dec->packet[1]); |
706 | dec->packet_state = 0; | |
707 | } | |
708 | } | |
709 | ||
710 | length--; | |
711 | break; | |
712 | ||
713 | case 5: | |
714 | dec->packet[dec->packet_length++] = *b++; | |
715 | ||
716 | if (dec->packet_type == TTUSB_DEC_PACKET_PVA && | |
717 | dec->packet_length == 8) { | |
718 | dec->packet_state++; | |
719 | dec->packet_payload_length = 8 + | |
720 | (dec->packet[6] << 8) + | |
721 | dec->packet[7]; | |
722 | } else if (dec->packet_type == | |
723 | TTUSB_DEC_PACKET_SECTION && | |
724 | dec->packet_length == 5) { | |
725 | dec->packet_state++; | |
726 | dec->packet_payload_length = 5 + | |
727 | ((dec->packet[3] & 0x0f) << 8) + | |
728 | dec->packet[4]; | |
729 | } | |
730 | ||
731 | length--; | |
732 | break; | |
733 | ||
734 | case 6: { | |
735 | int remainder = dec->packet_payload_length - | |
736 | dec->packet_length; | |
737 | ||
738 | if (length >= remainder) { | |
739 | memcpy(dec->packet + dec->packet_length, | |
740 | b, remainder); | |
741 | dec->packet_length += remainder; | |
742 | b += remainder; | |
743 | length -= remainder; | |
744 | dec->packet_state++; | |
745 | } else { | |
746 | memcpy(&dec->packet[dec->packet_length], | |
747 | b, length); | |
748 | dec->packet_length += length; | |
749 | length = 0; | |
750 | } | |
751 | ||
752 | break; | |
753 | } | |
754 | ||
755 | case 7: { | |
756 | int tail = 4; | |
757 | ||
758 | dec->packet[dec->packet_length++] = *b++; | |
759 | ||
760 | if (dec->packet_type == TTUSB_DEC_PACKET_SECTION && | |
761 | dec->packet_payload_length % 2) | |
762 | tail++; | |
763 | ||
764 | if (dec->packet_length == | |
765 | dec->packet_payload_length + tail) { | |
766 | ttusb_dec_process_packet(dec); | |
767 | dec->packet_state = 0; | |
768 | } | |
769 | ||
770 | length--; | |
771 | break; | |
772 | } | |
773 | ||
774 | default: | |
775 | printk("%s: illegal packet state encountered.\n", | |
e9815cee | 776 | __func__); |
1da177e4 LT |
777 | dec->packet_state = 0; |
778 | } | |
779 | } | |
780 | } | |
781 | ||
782 | static void ttusb_dec_process_urb_frame_list(unsigned long data) | |
783 | { | |
784 | struct ttusb_dec *dec = (struct ttusb_dec *)data; | |
785 | struct list_head *item; | |
786 | struct urb_frame *frame; | |
787 | unsigned long flags; | |
788 | ||
789 | while (1) { | |
790 | spin_lock_irqsave(&dec->urb_frame_list_lock, flags); | |
791 | if ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
792 | frame = list_entry(item, struct urb_frame, | |
793 | urb_frame_list); | |
794 | list_del(&frame->urb_frame_list); | |
795 | } else { | |
796 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
797 | flags); | |
798 | return; | |
799 | } | |
800 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, flags); | |
801 | ||
802 | ttusb_dec_process_urb_frame(dec, frame->data, frame->length); | |
803 | kfree(frame); | |
804 | } | |
805 | } | |
806 | ||
7d12e780 | 807 | static void ttusb_dec_process_urb(struct urb *urb) |
1da177e4 LT |
808 | { |
809 | struct ttusb_dec *dec = urb->context; | |
810 | ||
811 | if (!urb->status) { | |
812 | int i; | |
813 | ||
814 | for (i = 0; i < FRAMES_PER_ISO_BUF; i++) { | |
815 | struct usb_iso_packet_descriptor *d; | |
816 | u8 *b; | |
817 | int length; | |
818 | struct urb_frame *frame; | |
819 | ||
820 | d = &urb->iso_frame_desc[i]; | |
821 | b = urb->transfer_buffer + d->offset; | |
822 | length = d->actual_length; | |
823 | ||
824 | if ((frame = kmalloc(sizeof(struct urb_frame), | |
825 | GFP_ATOMIC))) { | |
826 | unsigned long flags; | |
827 | ||
828 | memcpy(frame->data, b, length); | |
829 | frame->length = length; | |
830 | ||
831 | spin_lock_irqsave(&dec->urb_frame_list_lock, | |
832 | flags); | |
833 | list_add_tail(&frame->urb_frame_list, | |
834 | &dec->urb_frame_list); | |
835 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
836 | flags); | |
837 | ||
838 | tasklet_schedule(&dec->urb_tasklet); | |
839 | } | |
840 | } | |
841 | } else { | |
842 | /* -ENOENT is expected when unlinking urbs */ | |
843 | if (urb->status != -ENOENT) | |
e9815cee | 844 | dprintk("%s: urb error: %d\n", __func__, |
1da177e4 LT |
845 | urb->status); |
846 | } | |
847 | ||
848 | if (dec->iso_stream_count) | |
849 | usb_submit_urb(urb, GFP_ATOMIC); | |
850 | } | |
851 | ||
852 | static void ttusb_dec_setup_urbs(struct ttusb_dec *dec) | |
853 | { | |
854 | int i, j, buffer_offset = 0; | |
855 | ||
e9815cee | 856 | dprintk("%s\n", __func__); |
1da177e4 LT |
857 | |
858 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
859 | int frame_offset = 0; | |
860 | struct urb *urb = dec->iso_urb[i]; | |
861 | ||
862 | urb->dev = dec->udev; | |
863 | urb->context = dec; | |
864 | urb->complete = ttusb_dec_process_urb; | |
865 | urb->pipe = dec->in_pipe; | |
866 | urb->transfer_flags = URB_ISO_ASAP; | |
867 | urb->interval = 1; | |
868 | urb->number_of_packets = FRAMES_PER_ISO_BUF; | |
869 | urb->transfer_buffer_length = ISO_FRAME_SIZE * | |
870 | FRAMES_PER_ISO_BUF; | |
871 | urb->transfer_buffer = dec->iso_buffer + buffer_offset; | |
872 | buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF; | |
873 | ||
874 | for (j = 0; j < FRAMES_PER_ISO_BUF; j++) { | |
875 | urb->iso_frame_desc[j].offset = frame_offset; | |
876 | urb->iso_frame_desc[j].length = ISO_FRAME_SIZE; | |
877 | frame_offset += ISO_FRAME_SIZE; | |
878 | } | |
879 | } | |
880 | } | |
881 | ||
882 | static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec) | |
883 | { | |
884 | int i; | |
885 | ||
e9815cee | 886 | dprintk("%s\n", __func__); |
1da177e4 | 887 | |
3593cab5 | 888 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
889 | return; |
890 | ||
891 | dec->iso_stream_count--; | |
892 | ||
893 | if (!dec->iso_stream_count) { | |
894 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
895 | usb_kill_urb(dec->iso_urb[i]); | |
896 | } | |
897 | ||
3593cab5 | 898 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
899 | } |
900 | ||
901 | /* Setting the interface of the DEC tends to take down the USB communications | |
902 | * for a short period, so it's important not to call this function just before | |
903 | * trying to talk to it. | |
904 | */ | |
905 | static int ttusb_dec_set_interface(struct ttusb_dec *dec, | |
906 | enum ttusb_dec_interface interface) | |
907 | { | |
908 | int result = 0; | |
909 | u8 b[] = { 0x05 }; | |
910 | ||
911 | if (interface != dec->interface) { | |
912 | switch (interface) { | |
913 | case TTUSB_DEC_INTERFACE_INITIAL: | |
914 | result = usb_set_interface(dec->udev, 0, 0); | |
915 | break; | |
916 | case TTUSB_DEC_INTERFACE_IN: | |
917 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b), | |
918 | b, NULL, NULL); | |
919 | if (result) | |
920 | return result; | |
921 | result = usb_set_interface(dec->udev, 0, 8); | |
922 | break; | |
923 | case TTUSB_DEC_INTERFACE_OUT: | |
924 | result = usb_set_interface(dec->udev, 0, 1); | |
925 | break; | |
926 | } | |
927 | ||
928 | if (result) | |
929 | return result; | |
930 | ||
931 | dec->interface = interface; | |
932 | } | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
937 | static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec) | |
938 | { | |
939 | int i, result; | |
940 | ||
e9815cee | 941 | dprintk("%s\n", __func__); |
1da177e4 | 942 | |
3593cab5 | 943 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
944 | return -EAGAIN; |
945 | ||
946 | if (!dec->iso_stream_count) { | |
947 | ttusb_dec_setup_urbs(dec); | |
948 | ||
949 | dec->packet_state = 0; | |
950 | dec->v_pes_postbytes = 0; | |
951 | dec->next_packet_id = 0; | |
952 | ||
953 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
954 | if ((result = usb_submit_urb(dec->iso_urb[i], | |
955 | GFP_ATOMIC))) { | |
bf769a4e MCC |
956 | printk("%s: failed urb submission %d: error %d\n", |
957 | __func__, i, result); | |
1da177e4 LT |
958 | |
959 | while (i) { | |
960 | usb_kill_urb(dec->iso_urb[i - 1]); | |
961 | i--; | |
962 | } | |
963 | ||
3593cab5 | 964 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
965 | return result; |
966 | } | |
967 | } | |
968 | } | |
969 | ||
970 | dec->iso_stream_count++; | |
971 | ||
3593cab5 | 972 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
973 | |
974 | return 0; | |
975 | } | |
976 | ||
977 | static int ttusb_dec_start_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
978 | { | |
979 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
980 | struct ttusb_dec *dec = dvbdmx->priv; | |
981 | u8 b0[] = { 0x05 }; | |
982 | int result = 0; | |
983 | ||
e9815cee | 984 | dprintk("%s\n", __func__); |
1da177e4 LT |
985 | |
986 | dprintk(" ts_type:"); | |
987 | ||
988 | if (dvbdmxfeed->ts_type & TS_DECODER) | |
989 | dprintk(" TS_DECODER"); | |
990 | ||
991 | if (dvbdmxfeed->ts_type & TS_PACKET) | |
992 | dprintk(" TS_PACKET"); | |
993 | ||
994 | if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY) | |
995 | dprintk(" TS_PAYLOAD_ONLY"); | |
996 | ||
997 | dprintk("\n"); | |
998 | ||
999 | switch (dvbdmxfeed->pes_type) { | |
1000 | ||
fde04ab9 MCC |
1001 | case DMX_PES_VIDEO: |
1002 | dprintk(" pes_type: DMX_PES_VIDEO\n"); | |
1da177e4 LT |
1003 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; |
1004 | dec->pid[DMX_PES_VIDEO] = dvbdmxfeed->pid; | |
1005 | dec->video_filter = dvbdmxfeed->filter; | |
1006 | ttusb_dec_set_pids(dec); | |
1007 | break; | |
1008 | ||
fde04ab9 MCC |
1009 | case DMX_PES_AUDIO: |
1010 | dprintk(" pes_type: DMX_PES_AUDIO\n"); | |
1da177e4 LT |
1011 | dec->pid[DMX_PES_AUDIO] = dvbdmxfeed->pid; |
1012 | dec->audio_filter = dvbdmxfeed->filter; | |
1013 | ttusb_dec_set_pids(dec); | |
1014 | break; | |
1015 | ||
fde04ab9 | 1016 | case DMX_PES_TELETEXT: |
1da177e4 | 1017 | dec->pid[DMX_PES_TELETEXT] = dvbdmxfeed->pid; |
fde04ab9 | 1018 | dprintk(" pes_type: DMX_PES_TELETEXT(not supported)\n"); |
f961e71a | 1019 | return -ENOSYS; |
1da177e4 | 1020 | |
fde04ab9 MCC |
1021 | case DMX_PES_PCR: |
1022 | dprintk(" pes_type: DMX_PES_PCR\n"); | |
1da177e4 LT |
1023 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; |
1024 | ttusb_dec_set_pids(dec); | |
1025 | break; | |
1026 | ||
fde04ab9 MCC |
1027 | case DMX_PES_OTHER: |
1028 | dprintk(" pes_type: DMX_PES_OTHER(not supported)\n"); | |
f961e71a | 1029 | return -ENOSYS; |
1da177e4 LT |
1030 | |
1031 | default: | |
1032 | dprintk(" pes_type: unknown (%d)\n", dvbdmxfeed->pes_type); | |
1033 | return -EINVAL; | |
1034 | ||
1035 | } | |
1036 | ||
1037 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b0), b0, NULL, NULL); | |
1038 | if (result) | |
1039 | return result; | |
1040 | ||
1041 | dec->pva_stream_count++; | |
1042 | return ttusb_dec_start_iso_xfer(dec); | |
1043 | } | |
1044 | ||
1045 | static int ttusb_dec_start_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1046 | { | |
1047 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1048 | u8 b0[] = { 0x00, 0x00, 0x00, 0x01, | |
1049 | 0x00, 0x00, 0x00, 0x00, | |
1050 | 0x00, 0x00, 0x00, 0x00, | |
1051 | 0x00, 0x00, 0x00, 0x00, | |
1052 | 0x00, 0xff, 0x00, 0x00, | |
1053 | 0x00, 0x00, 0x00, 0x00, | |
1054 | 0x00, 0x00, 0x00, 0x00, | |
1055 | 0x00 }; | |
d4f979a9 | 1056 | __be16 pid; |
1da177e4 LT |
1057 | u8 c[COMMAND_PACKET_SIZE]; |
1058 | int c_length; | |
1059 | int result; | |
1060 | struct filter_info *finfo; | |
1061 | unsigned long flags; | |
1062 | u8 x = 1; | |
1063 | ||
e9815cee | 1064 | dprintk("%s\n", __func__); |
1da177e4 LT |
1065 | |
1066 | pid = htons(dvbdmxfeed->pid); | |
1067 | memcpy(&b0[0], &pid, 2); | |
1068 | memcpy(&b0[4], &x, 1); | |
1069 | memcpy(&b0[5], &dvbdmxfeed->filter->filter.filter_value[0], 1); | |
1070 | ||
1071 | result = ttusb_dec_send_command(dec, 0x60, sizeof(b0), b0, | |
1072 | &c_length, c); | |
1073 | ||
1074 | if (!result) { | |
1075 | if (c_length == 2) { | |
1076 | if (!(finfo = kmalloc(sizeof(struct filter_info), | |
1077 | GFP_ATOMIC))) | |
1078 | return -ENOMEM; | |
1079 | ||
1080 | finfo->stream_id = c[1]; | |
1081 | finfo->filter = dvbdmxfeed->filter; | |
1082 | ||
1083 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1084 | list_add_tail(&finfo->filter_info_list, | |
1085 | &dec->filter_info_list); | |
1086 | spin_unlock_irqrestore(&dec->filter_info_list_lock, | |
1087 | flags); | |
1088 | ||
1089 | dvbdmxfeed->priv = finfo; | |
1090 | ||
1091 | dec->filter_stream_count++; | |
1092 | return ttusb_dec_start_iso_xfer(dec); | |
1093 | } | |
1094 | ||
1095 | return -EAGAIN; | |
1096 | } else | |
1097 | return result; | |
1098 | } | |
1099 | ||
1100 | static int ttusb_dec_start_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1101 | { | |
1102 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
1103 | ||
e9815cee | 1104 | dprintk("%s\n", __func__); |
1da177e4 LT |
1105 | |
1106 | if (!dvbdmx->dmx.frontend) | |
1107 | return -EINVAL; | |
1108 | ||
1109 | dprintk(" pid: 0x%04X\n", dvbdmxfeed->pid); | |
1110 | ||
1111 | switch (dvbdmxfeed->type) { | |
1112 | ||
1113 | case DMX_TYPE_TS: | |
1114 | return ttusb_dec_start_ts_feed(dvbdmxfeed); | |
1115 | break; | |
1116 | ||
1117 | case DMX_TYPE_SEC: | |
1118 | return ttusb_dec_start_sec_feed(dvbdmxfeed); | |
1119 | break; | |
1120 | ||
1121 | default: | |
1122 | dprintk(" type: unknown (%d)\n", dvbdmxfeed->type); | |
1123 | return -EINVAL; | |
1124 | ||
1125 | } | |
1126 | } | |
1127 | ||
1128 | static int ttusb_dec_stop_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1129 | { | |
1130 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1131 | u8 b0[] = { 0x00 }; | |
1132 | ||
1133 | ttusb_dec_send_command(dec, 0x81, sizeof(b0), b0, NULL, NULL); | |
1134 | ||
1135 | dec->pva_stream_count--; | |
1136 | ||
1137 | ttusb_dec_stop_iso_xfer(dec); | |
1138 | ||
1139 | return 0; | |
1140 | } | |
1141 | ||
1142 | static int ttusb_dec_stop_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1143 | { | |
1144 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1145 | u8 b0[] = { 0x00, 0x00 }; | |
1146 | struct filter_info *finfo = (struct filter_info *)dvbdmxfeed->priv; | |
1147 | unsigned long flags; | |
1148 | ||
1149 | b0[1] = finfo->stream_id; | |
1150 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1151 | list_del(&finfo->filter_info_list); | |
1152 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
1153 | kfree(finfo); | |
1154 | ttusb_dec_send_command(dec, 0x62, sizeof(b0), b0, NULL, NULL); | |
1155 | ||
1156 | dec->filter_stream_count--; | |
1157 | ||
1158 | ttusb_dec_stop_iso_xfer(dec); | |
1159 | ||
1160 | return 0; | |
1161 | } | |
1162 | ||
1163 | static int ttusb_dec_stop_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1164 | { | |
e9815cee | 1165 | dprintk("%s\n", __func__); |
1da177e4 LT |
1166 | |
1167 | switch (dvbdmxfeed->type) { | |
1168 | case DMX_TYPE_TS: | |
1169 | return ttusb_dec_stop_ts_feed(dvbdmxfeed); | |
1170 | break; | |
1171 | ||
1172 | case DMX_TYPE_SEC: | |
1173 | return ttusb_dec_stop_sec_feed(dvbdmxfeed); | |
1174 | break; | |
1175 | } | |
1176 | ||
1177 | return 0; | |
1178 | } | |
1179 | ||
1180 | static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec) | |
1181 | { | |
1182 | int i; | |
1183 | ||
e9815cee | 1184 | dprintk("%s\n", __func__); |
1da177e4 LT |
1185 | |
1186 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
5d02d027 | 1187 | usb_free_urb(dec->iso_urb[i]); |
1da177e4 LT |
1188 | |
1189 | pci_free_consistent(NULL, | |
1190 | ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * | |
1191 | ISO_BUF_COUNT), | |
1192 | dec->iso_buffer, dec->iso_dma_handle); | |
1193 | } | |
1194 | ||
1195 | static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) | |
1196 | { | |
1197 | int i; | |
1198 | ||
e9815cee | 1199 | dprintk("%s\n", __func__); |
1da177e4 | 1200 | |
6850aeab JP |
1201 | dec->iso_buffer = pci_zalloc_consistent(NULL, |
1202 | ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT), | |
1203 | &dec->iso_dma_handle); | |
1da177e4 | 1204 | |
d7c31a1e DSL |
1205 | if (!dec->iso_buffer) { |
1206 | dprintk("%s: pci_alloc_consistent - not enough memory\n", | |
1207 | __func__); | |
1208 | return -ENOMEM; | |
1209 | } | |
1210 | ||
1da177e4 LT |
1211 | for (i = 0; i < ISO_BUF_COUNT; i++) { |
1212 | struct urb *urb; | |
1213 | ||
1214 | if (!(urb = usb_alloc_urb(FRAMES_PER_ISO_BUF, GFP_ATOMIC))) { | |
1215 | ttusb_dec_free_iso_urbs(dec); | |
1216 | return -ENOMEM; | |
1217 | } | |
1218 | ||
1219 | dec->iso_urb[i] = urb; | |
1220 | } | |
1221 | ||
1222 | ttusb_dec_setup_urbs(dec); | |
1223 | ||
1224 | return 0; | |
1225 | } | |
1226 | ||
1227 | static void ttusb_dec_init_tasklet(struct ttusb_dec *dec) | |
1228 | { | |
1229 | spin_lock_init(&dec->urb_frame_list_lock); | |
1230 | INIT_LIST_HEAD(&dec->urb_frame_list); | |
1231 | tasklet_init(&dec->urb_tasklet, ttusb_dec_process_urb_frame_list, | |
1232 | (unsigned long)dec); | |
1233 | } | |
1234 | ||
50c25fff | 1235 | static int ttusb_init_rc( struct ttusb_dec *dec) |
1da177e4 | 1236 | { |
b7df3910 | 1237 | struct input_dev *input_dev; |
1da177e4 LT |
1238 | u8 b[] = { 0x00, 0x01 }; |
1239 | int i; | |
b07b4783 | 1240 | int err; |
1da177e4 | 1241 | |
b7df3910 | 1242 | usb_make_path(dec->udev, dec->rc_phys, sizeof(dec->rc_phys)); |
b1858190 | 1243 | strlcat(dec->rc_phys, "/input0", sizeof(dec->rc_phys)); |
1da177e4 | 1244 | |
b07b4783 | 1245 | input_dev = input_allocate_device(); |
b7df3910 DT |
1246 | if (!input_dev) |
1247 | return -ENOMEM; | |
1248 | ||
1249 | input_dev->name = "ttusb_dec remote control"; | |
1250 | input_dev->phys = dec->rc_phys; | |
7b19ada2 | 1251 | input_dev->evbit[0] = BIT_MASK(EV_KEY); |
b7df3910 DT |
1252 | input_dev->keycodesize = sizeof(u16); |
1253 | input_dev->keycodemax = 0x1a; | |
1254 | input_dev->keycode = rc_keys; | |
1da177e4 | 1255 | |
b7df3910 | 1256 | for (i = 0; i < ARRAY_SIZE(rc_keys); i++) |
50c25fff | 1257 | set_bit(rc_keys[i], input_dev->keybit); |
1da177e4 | 1258 | |
b07b4783 DT |
1259 | err = input_register_device(input_dev); |
1260 | if (err) { | |
1261 | input_free_device(input_dev); | |
1262 | return err; | |
1263 | } | |
1da177e4 | 1264 | |
b07b4783 | 1265 | dec->rc_input_dev = input_dev; |
b7df3910 | 1266 | if (usb_submit_urb(dec->irq_urb, GFP_KERNEL)) |
e9815cee | 1267 | printk("%s: usb_submit_urb failed\n",__func__); |
1da177e4 LT |
1268 | /* enable irq pipe */ |
1269 | ttusb_dec_send_command(dec,0xb0,sizeof(b),b,NULL,NULL); | |
b7df3910 DT |
1270 | |
1271 | return 0; | |
1da177e4 LT |
1272 | } |
1273 | ||
1274 | static void ttusb_dec_init_v_pes(struct ttusb_dec *dec) | |
1275 | { | |
e9815cee | 1276 | dprintk("%s\n", __func__); |
1da177e4 LT |
1277 | |
1278 | dec->v_pes[0] = 0x00; | |
1279 | dec->v_pes[1] = 0x00; | |
1280 | dec->v_pes[2] = 0x01; | |
1281 | dec->v_pes[3] = 0xe0; | |
1282 | } | |
1283 | ||
1284 | static int ttusb_dec_init_usb(struct ttusb_dec *dec) | |
1285 | { | |
cf732b5f AK |
1286 | int result; |
1287 | ||
e9815cee | 1288 | dprintk("%s\n", __func__); |
1da177e4 | 1289 | |
3593cab5 IM |
1290 | mutex_init(&dec->usb_mutex); |
1291 | mutex_init(&dec->iso_mutex); | |
1da177e4 LT |
1292 | |
1293 | dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE); | |
1294 | dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE); | |
1295 | dec->in_pipe = usb_rcvisocpipe(dec->udev, IN_PIPE); | |
1296 | dec->out_pipe = usb_sndisocpipe(dec->udev, OUT_PIPE); | |
1297 | dec->irq_pipe = usb_rcvintpipe(dec->udev, IRQ_PIPE); | |
1298 | ||
1299 | if(enable_rc) { | |
1300 | dec->irq_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1301 | if(!dec->irq_urb) { | |
1302 | return -ENOMEM; | |
1303 | } | |
997ea58e | 1304 | dec->irq_buffer = usb_alloc_coherent(dec->udev,IRQ_PACKET_SIZE, |
cf732b5f | 1305 | GFP_KERNEL, &dec->irq_dma_handle); |
1da177e4 | 1306 | if(!dec->irq_buffer) { |
7935eeae | 1307 | usb_free_urb(dec->irq_urb); |
1da177e4 LT |
1308 | return -ENOMEM; |
1309 | } | |
1310 | usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe, | |
1311 | dec->irq_buffer, IRQ_PACKET_SIZE, | |
1312 | ttusb_dec_handle_irq, dec, 1); | |
1313 | dec->irq_urb->transfer_dma = dec->irq_dma_handle; | |
1314 | dec->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1315 | } | |
1316 | ||
cf732b5f AK |
1317 | result = ttusb_dec_alloc_iso_urbs(dec); |
1318 | if (result) { | |
1319 | usb_free_urb(dec->irq_urb); | |
1320 | usb_free_coherent(dec->udev, IRQ_PACKET_SIZE, | |
1321 | dec->irq_buffer, dec->irq_dma_handle); | |
1322 | } | |
1323 | return result; | |
1da177e4 LT |
1324 | } |
1325 | ||
1326 | static int ttusb_dec_boot_dsp(struct ttusb_dec *dec) | |
1327 | { | |
1328 | int i, j, actual_len, result, size, trans_count; | |
1329 | u8 b0[] = { 0x00, 0x00, 0x00, 0x00, | |
1330 | 0x00, 0x00, 0x00, 0x00, | |
1331 | 0x61, 0x00 }; | |
1332 | u8 b1[] = { 0x61 }; | |
1333 | u8 *b; | |
1334 | char idstring[21]; | |
99b6e4f5 | 1335 | const u8 *firmware = NULL; |
1da177e4 LT |
1336 | size_t firmware_size = 0; |
1337 | u16 firmware_csum = 0; | |
d4f979a9 AV |
1338 | __be16 firmware_csum_ns; |
1339 | __be32 firmware_size_nl; | |
1340 | u32 crc32_csum, crc32_check; | |
1341 | __be32 tmp; | |
1da177e4 LT |
1342 | const struct firmware *fw_entry = NULL; |
1343 | ||
e9815cee | 1344 | dprintk("%s\n", __func__); |
1da177e4 | 1345 | |
cf732b5f AK |
1346 | result = request_firmware(&fw_entry, dec->firmware_name, &dec->udev->dev); |
1347 | if (result) { | |
1da177e4 | 1348 | printk(KERN_ERR "%s: Firmware (%s) unavailable.\n", |
e9815cee | 1349 | __func__, dec->firmware_name); |
cf732b5f | 1350 | return result; |
1da177e4 LT |
1351 | } |
1352 | ||
1353 | firmware = fw_entry->data; | |
1354 | firmware_size = fw_entry->size; | |
1355 | ||
1356 | if (firmware_size < 60) { | |
1357 | printk("%s: firmware size too small for DSP code (%zu < 60).\n", | |
e9815cee | 1358 | __func__, firmware_size); |
0c744b01 | 1359 | release_firmware(fw_entry); |
cf732b5f | 1360 | return -ENOENT; |
1da177e4 LT |
1361 | } |
1362 | ||
1363 | /* a 32 bit checksum over the first 56 bytes of the DSP Code is stored | |
1364 | at offset 56 of file, so use it to check if the firmware file is | |
1365 | valid. */ | |
1366 | crc32_csum = crc32(~0L, firmware, 56) ^ ~0L; | |
1367 | memcpy(&tmp, &firmware[56], 4); | |
d4f979a9 | 1368 | crc32_check = ntohl(tmp); |
1da177e4 | 1369 | if (crc32_csum != crc32_check) { |
bf769a4e | 1370 | printk("%s: crc32 check of DSP code failed (calculated 0x%08x != 0x%08x in file), file invalid.\n", |
e9815cee | 1371 | __func__, crc32_csum, crc32_check); |
0c744b01 | 1372 | release_firmware(fw_entry); |
cf732b5f | 1373 | return -ENOENT; |
1da177e4 LT |
1374 | } |
1375 | memcpy(idstring, &firmware[36], 20); | |
1376 | idstring[20] = '\0'; | |
1377 | printk(KERN_INFO "ttusb_dec: found DSP code \"%s\".\n", idstring); | |
1378 | ||
1379 | firmware_size_nl = htonl(firmware_size); | |
1380 | memcpy(b0, &firmware_size_nl, 4); | |
1381 | firmware_csum = crc16(~0, firmware, firmware_size) ^ ~0; | |
1382 | firmware_csum_ns = htons(firmware_csum); | |
1383 | memcpy(&b0[6], &firmware_csum_ns, 2); | |
1384 | ||
1385 | result = ttusb_dec_send_command(dec, 0x41, sizeof(b0), b0, NULL, NULL); | |
1386 | ||
0c744b01 AH |
1387 | if (result) { |
1388 | release_firmware(fw_entry); | |
1da177e4 | 1389 | return result; |
0c744b01 | 1390 | } |
1da177e4 LT |
1391 | |
1392 | trans_count = 0; | |
1393 | j = 0; | |
1394 | ||
1395 | b = kmalloc(ARM_PACKET_SIZE, GFP_KERNEL); | |
0c744b01 AH |
1396 | if (b == NULL) { |
1397 | release_firmware(fw_entry); | |
1da177e4 | 1398 | return -ENOMEM; |
0c744b01 | 1399 | } |
1da177e4 LT |
1400 | |
1401 | for (i = 0; i < firmware_size; i += COMMAND_PACKET_SIZE) { | |
1402 | size = firmware_size - i; | |
1403 | if (size > COMMAND_PACKET_SIZE) | |
1404 | size = COMMAND_PACKET_SIZE; | |
1405 | ||
1406 | b[j + 0] = 0xaa; | |
1407 | b[j + 1] = trans_count++; | |
1408 | b[j + 2] = 0xf0; | |
1409 | b[j + 3] = size; | |
1410 | memcpy(&b[j + 4], &firmware[i], size); | |
1411 | ||
1412 | j += COMMAND_PACKET_SIZE + 4; | |
1413 | ||
1414 | if (j >= ARM_PACKET_SIZE) { | |
1415 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1416 | ARM_PACKET_SIZE, &actual_len, | |
1417 | 100); | |
1418 | j = 0; | |
1419 | } else if (size < COMMAND_PACKET_SIZE) { | |
1420 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1421 | j - COMMAND_PACKET_SIZE + size, | |
1422 | &actual_len, 100); | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | result = ttusb_dec_send_command(dec, 0x43, sizeof(b1), b1, NULL, NULL); | |
1427 | ||
0c744b01 | 1428 | release_firmware(fw_entry); |
1da177e4 LT |
1429 | kfree(b); |
1430 | ||
1431 | return result; | |
1432 | } | |
1433 | ||
1434 | static int ttusb_dec_init_stb(struct ttusb_dec *dec) | |
1435 | { | |
1436 | int result; | |
cf8e193a | 1437 | unsigned int mode = 0, model = 0, version = 0; |
1da177e4 | 1438 | |
e9815cee | 1439 | dprintk("%s\n", __func__); |
1da177e4 LT |
1440 | |
1441 | result = ttusb_dec_get_stb_state(dec, &mode, &model, &version); | |
cf732b5f AK |
1442 | if (result) |
1443 | return result; | |
1da177e4 | 1444 | |
cf732b5f AK |
1445 | if (!mode) { |
1446 | if (version == 0xABCDEFAB) | |
bf769a4e | 1447 | printk(KERN_INFO "ttusb_dec: no version info in Firmware\n"); |
cf732b5f | 1448 | else |
bf769a4e | 1449 | printk(KERN_INFO "ttusb_dec: Firmware %x.%02x%c%c\n", |
cf732b5f AK |
1450 | version >> 24, (version >> 16) & 0xff, |
1451 | (version >> 8) & 0xff, version & 0xff); | |
1da177e4 | 1452 | |
cf732b5f AK |
1453 | result = ttusb_dec_boot_dsp(dec); |
1454 | if (result) | |
1455 | return result; | |
1456 | } else { | |
1457 | /* We can't trust the USB IDs that some firmwares | |
1458 | give the box */ | |
1459 | switch (model) { | |
1460 | case 0x00070001: | |
1461 | case 0x00070008: | |
1462 | case 0x0007000c: | |
1463 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1464 | break; | |
1465 | case 0x00070009: | |
1466 | case 0x00070013: | |
1467 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1468 | break; | |
1469 | case 0x00070011: | |
1470 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1471 | break; | |
1472 | default: | |
bf769a4e | 1473 | printk(KERN_ERR "%s: unknown model returned by firmware (%08x) - please report\n", |
cf732b5f AK |
1474 | __func__, model); |
1475 | return -ENOENT; | |
1476 | } | |
3ff105ed MCC |
1477 | if (version >= 0x01770000) |
1478 | dec->can_playback = 1; | |
1da177e4 | 1479 | } |
cf732b5f | 1480 | return 0; |
1da177e4 LT |
1481 | } |
1482 | ||
1483 | static int ttusb_dec_init_dvb(struct ttusb_dec *dec) | |
1484 | { | |
1485 | int result; | |
1486 | ||
e9815cee | 1487 | dprintk("%s\n", __func__); |
1da177e4 LT |
1488 | |
1489 | if ((result = dvb_register_adapter(&dec->adapter, | |
78e92006 JG |
1490 | dec->model_name, THIS_MODULE, |
1491 | &dec->udev->dev, | |
1492 | adapter_nr)) < 0) { | |
1da177e4 | 1493 | printk("%s: dvb_register_adapter failed: error %d\n", |
e9815cee | 1494 | __func__, result); |
1da177e4 LT |
1495 | |
1496 | return result; | |
1497 | } | |
1498 | ||
1499 | dec->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; | |
1500 | ||
1501 | dec->demux.priv = (void *)dec; | |
1502 | dec->demux.filternum = 31; | |
1503 | dec->demux.feednum = 31; | |
1504 | dec->demux.start_feed = ttusb_dec_start_feed; | |
1505 | dec->demux.stop_feed = ttusb_dec_stop_feed; | |
1506 | dec->demux.write_to_decoder = NULL; | |
1507 | ||
1508 | if ((result = dvb_dmx_init(&dec->demux)) < 0) { | |
e9815cee | 1509 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1510 | result); |
1511 | ||
fdc53a6d | 1512 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1513 | |
1514 | return result; | |
1515 | } | |
1516 | ||
1517 | dec->dmxdev.filternum = 32; | |
1518 | dec->dmxdev.demux = &dec->demux.dmx; | |
1519 | dec->dmxdev.capabilities = 0; | |
1520 | ||
fdc53a6d | 1521 | if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) { |
1da177e4 | 1522 | printk("%s: dvb_dmxdev_init failed: error %d\n", |
e9815cee | 1523 | __func__, result); |
1da177e4 LT |
1524 | |
1525 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1526 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1527 | |
1528 | return result; | |
1529 | } | |
1530 | ||
1531 | dec->frontend.source = DMX_FRONTEND_0; | |
1532 | ||
1533 | if ((result = dec->demux.dmx.add_frontend(&dec->demux.dmx, | |
1534 | &dec->frontend)) < 0) { | |
e9815cee | 1535 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1536 | result); |
1537 | ||
1538 | dvb_dmxdev_release(&dec->dmxdev); | |
1539 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1540 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1541 | |
1542 | return result; | |
1543 | } | |
1544 | ||
1545 | if ((result = dec->demux.dmx.connect_frontend(&dec->demux.dmx, | |
1546 | &dec->frontend)) < 0) { | |
e9815cee | 1547 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1548 | result); |
1549 | ||
1550 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1551 | dvb_dmxdev_release(&dec->dmxdev); | |
1552 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1553 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1554 | |
1555 | return result; | |
1556 | } | |
1557 | ||
fdc53a6d | 1558 | dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx); |
1da177e4 LT |
1559 | |
1560 | return 0; | |
1561 | } | |
1562 | ||
1563 | static void ttusb_dec_exit_dvb(struct ttusb_dec *dec) | |
1564 | { | |
e9815cee | 1565 | dprintk("%s\n", __func__); |
1da177e4 LT |
1566 | |
1567 | dvb_net_release(&dec->dvb_net); | |
1568 | dec->demux.dmx.close(&dec->demux.dmx); | |
1569 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1570 | dvb_dmxdev_release(&dec->dmxdev); | |
1571 | dvb_dmx_release(&dec->demux); | |
2bfe031d AQ |
1572 | if (dec->fe) { |
1573 | dvb_unregister_frontend(dec->fe); | |
1574 | if (dec->fe->ops.release) | |
1575 | dec->fe->ops.release(dec->fe); | |
1576 | } | |
fdc53a6d | 1577 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1578 | } |
1579 | ||
1580 | static void ttusb_dec_exit_rc(struct ttusb_dec *dec) | |
1581 | { | |
e9815cee | 1582 | dprintk("%s\n", __func__); |
1da177e4 | 1583 | |
b7df3910 DT |
1584 | if (dec->rc_input_dev) { |
1585 | input_unregister_device(dec->rc_input_dev); | |
1586 | dec->rc_input_dev = NULL; | |
1587 | } | |
1da177e4 LT |
1588 | } |
1589 | ||
1590 | ||
1591 | static void ttusb_dec_exit_usb(struct ttusb_dec *dec) | |
1592 | { | |
1593 | int i; | |
1594 | ||
e9815cee | 1595 | dprintk("%s\n", __func__); |
1da177e4 | 1596 | |
cf732b5f AK |
1597 | if (enable_rc) { |
1598 | /* we have to check whether the irq URB is already submitted. | |
1599 | * As the irq is submitted after the interface is changed, | |
1600 | * this is the best method i figured out. | |
1601 | * Any others?*/ | |
1602 | if (dec->interface == TTUSB_DEC_INTERFACE_IN) | |
1603 | usb_kill_urb(dec->irq_urb); | |
1604 | ||
1605 | usb_free_urb(dec->irq_urb); | |
1606 | ||
1607 | usb_free_coherent(dec->udev, IRQ_PACKET_SIZE, | |
1608 | dec->irq_buffer, dec->irq_dma_handle); | |
1609 | } | |
1610 | ||
1da177e4 LT |
1611 | dec->iso_stream_count = 0; |
1612 | ||
1613 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
1614 | usb_kill_urb(dec->iso_urb[i]); | |
1615 | ||
1616 | ttusb_dec_free_iso_urbs(dec); | |
1617 | } | |
1618 | ||
1619 | static void ttusb_dec_exit_tasklet(struct ttusb_dec *dec) | |
1620 | { | |
1621 | struct list_head *item; | |
1622 | struct urb_frame *frame; | |
1623 | ||
1624 | tasklet_kill(&dec->urb_tasklet); | |
1625 | ||
1626 | while ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
1627 | frame = list_entry(item, struct urb_frame, urb_frame_list); | |
1628 | list_del(&frame->urb_frame_list); | |
1629 | kfree(frame); | |
1630 | } | |
1631 | } | |
1632 | ||
1633 | static void ttusb_dec_init_filters(struct ttusb_dec *dec) | |
1634 | { | |
1635 | INIT_LIST_HEAD(&dec->filter_info_list); | |
1636 | spin_lock_init(&dec->filter_info_list_lock); | |
1637 | } | |
1638 | ||
1639 | static void ttusb_dec_exit_filters(struct ttusb_dec *dec) | |
1640 | { | |
1641 | struct list_head *item; | |
1642 | struct filter_info *finfo; | |
1643 | ||
1644 | while ((item = dec->filter_info_list.next) != &dec->filter_info_list) { | |
1645 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
1646 | list_del(&finfo->filter_info_list); | |
1647 | kfree(finfo); | |
1648 | } | |
1649 | } | |
1650 | ||
d91b730d JS |
1651 | static int fe_send_command(struct dvb_frontend* fe, const u8 command, |
1652 | int param_length, const u8 params[], | |
1653 | int *result_length, u8 cmd_result[]) | |
1da177e4 | 1654 | { |
f961e71a | 1655 | struct ttusb_dec* dec = fe->dvb->priv; |
1da177e4 LT |
1656 | return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result); |
1657 | } | |
1658 | ||
9bca6266 | 1659 | static const struct ttusbdecfe_config fe_config = { |
1da177e4 LT |
1660 | .send_command = fe_send_command |
1661 | }; | |
1662 | ||
1663 | static int ttusb_dec_probe(struct usb_interface *intf, | |
1664 | const struct usb_device_id *id) | |
1665 | { | |
1666 | struct usb_device *udev; | |
1667 | struct ttusb_dec *dec; | |
cf732b5f | 1668 | int result; |
1da177e4 | 1669 | |
e9815cee | 1670 | dprintk("%s\n", __func__); |
1da177e4 LT |
1671 | |
1672 | udev = interface_to_usbdev(intf); | |
1673 | ||
7408187d | 1674 | if (!(dec = kzalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) { |
e9815cee | 1675 | printk("%s: couldn't allocate memory.\n", __func__); |
1da177e4 LT |
1676 | return -ENOMEM; |
1677 | } | |
1678 | ||
1679 | usb_set_intfdata(intf, (void *)dec); | |
1680 | ||
d4f979a9 | 1681 | switch (id->idProduct) { |
1da177e4 LT |
1682 | case 0x1006: |
1683 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1684 | break; | |
1685 | ||
1686 | case 0x1008: | |
1687 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1688 | break; | |
1689 | ||
1690 | case 0x1009: | |
1691 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1692 | break; | |
1693 | } | |
1694 | ||
1695 | dec->udev = udev; | |
1696 | ||
cf732b5f AK |
1697 | result = ttusb_dec_init_usb(dec); |
1698 | if (result) | |
1699 | goto err_usb; | |
1700 | result = ttusb_dec_init_stb(dec); | |
1701 | if (result) | |
1702 | goto err_stb; | |
1703 | result = ttusb_dec_init_dvb(dec); | |
1704 | if (result) | |
1705 | goto err_stb; | |
1da177e4 | 1706 | |
fdc53a6d | 1707 | dec->adapter.priv = dec; |
d4f979a9 | 1708 | switch (id->idProduct) { |
1da177e4 LT |
1709 | case 0x1006: |
1710 | dec->fe = ttusbdecfe_dvbs_attach(&fe_config); | |
1711 | break; | |
1712 | ||
1713 | case 0x1008: | |
1714 | case 0x1009: | |
1715 | dec->fe = ttusbdecfe_dvbt_attach(&fe_config); | |
1716 | break; | |
1717 | } | |
1718 | ||
1719 | if (dec->fe == NULL) { | |
29e66a6c | 1720 | printk("dvb-ttusb-dec: A frontend driver was not found for device [%04x:%04x]\n", |
1da177e4 LT |
1721 | le16_to_cpu(dec->udev->descriptor.idVendor), |
1722 | le16_to_cpu(dec->udev->descriptor.idProduct)); | |
1723 | } else { | |
fdc53a6d | 1724 | if (dvb_register_frontend(&dec->adapter, dec->fe)) { |
1da177e4 | 1725 | printk("budget-ci: Frontend registration failed!\n"); |
dea74869 PB |
1726 | if (dec->fe->ops.release) |
1727 | dec->fe->ops.release(dec->fe); | |
1da177e4 LT |
1728 | dec->fe = NULL; |
1729 | } | |
1730 | } | |
1731 | ||
1732 | ttusb_dec_init_v_pes(dec); | |
1733 | ttusb_dec_init_filters(dec); | |
1734 | ttusb_dec_init_tasklet(dec); | |
1735 | ||
1736 | dec->active = 1; | |
1737 | ||
1738 | ttusb_dec_set_interface(dec, TTUSB_DEC_INTERFACE_IN); | |
1739 | ||
b7df3910 | 1740 | if (enable_rc) |
1da177e4 LT |
1741 | ttusb_init_rc(dec); |
1742 | ||
1743 | return 0; | |
cf732b5f AK |
1744 | err_stb: |
1745 | ttusb_dec_exit_usb(dec); | |
1746 | err_usb: | |
1747 | kfree(dec); | |
1748 | return result; | |
1da177e4 LT |
1749 | } |
1750 | ||
1751 | static void ttusb_dec_disconnect(struct usb_interface *intf) | |
1752 | { | |
1753 | struct ttusb_dec *dec = usb_get_intfdata(intf); | |
1754 | ||
1755 | usb_set_intfdata(intf, NULL); | |
1756 | ||
e9815cee | 1757 | dprintk("%s\n", __func__); |
1da177e4 LT |
1758 | |
1759 | if (dec->active) { | |
1760 | ttusb_dec_exit_tasklet(dec); | |
1761 | ttusb_dec_exit_filters(dec); | |
1762 | if(enable_rc) | |
1763 | ttusb_dec_exit_rc(dec); | |
1764 | ttusb_dec_exit_usb(dec); | |
1765 | ttusb_dec_exit_dvb(dec); | |
1766 | } | |
1767 | ||
1768 | kfree(dec); | |
1769 | } | |
1770 | ||
1771 | static void ttusb_dec_set_model(struct ttusb_dec *dec, | |
1772 | enum ttusb_dec_model model) | |
1773 | { | |
1774 | dec->model = model; | |
1775 | ||
1776 | switch (model) { | |
1777 | case TTUSB_DEC2000T: | |
1778 | dec->model_name = "DEC2000-t"; | |
1779 | dec->firmware_name = "dvb-ttusb-dec-2000t.fw"; | |
1780 | break; | |
1781 | ||
1782 | case TTUSB_DEC2540T: | |
1783 | dec->model_name = "DEC2540-t"; | |
1784 | dec->firmware_name = "dvb-ttusb-dec-2540t.fw"; | |
1785 | break; | |
1786 | ||
1787 | case TTUSB_DEC3000S: | |
1788 | dec->model_name = "DEC3000-s"; | |
1789 | dec->firmware_name = "dvb-ttusb-dec-3000s.fw"; | |
1790 | break; | |
1791 | } | |
1792 | } | |
1793 | ||
1794 | static struct usb_device_id ttusb_dec_table[] = { | |
1795 | {USB_DEVICE(0x0b48, 0x1006)}, /* DEC3000-s */ | |
1796 | /*{USB_DEVICE(0x0b48, 0x1007)}, Unconfirmed */ | |
1797 | {USB_DEVICE(0x0b48, 0x1008)}, /* DEC2000-t */ | |
1798 | {USB_DEVICE(0x0b48, 0x1009)}, /* DEC2540-t */ | |
1799 | {} | |
1800 | }; | |
1801 | ||
1802 | static struct usb_driver ttusb_dec_driver = { | |
1803 | .name = "ttusb-dec", | |
1804 | .probe = ttusb_dec_probe, | |
1805 | .disconnect = ttusb_dec_disconnect, | |
1806 | .id_table = ttusb_dec_table, | |
1807 | }; | |
1808 | ||
ecb3b2b3 | 1809 | module_usb_driver(ttusb_dec_driver); |
1da177e4 LT |
1810 | |
1811 | MODULE_AUTHOR("Alex Woods <linux-dvb@giblets.org>"); | |
1812 | MODULE_DESCRIPTION(DRIVER_NAME); | |
1813 | MODULE_LICENSE("GPL"); | |
1814 | MODULE_DEVICE_TABLE(usb, ttusb_dec_table); |