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Commit | Line | Data |
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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * TTUSB DEC Driver | |
4 | * | |
5 | * Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org> | |
6 | * IR support by Peter Beutner <p.beutner@gmx.net> | |
1da177e4 LT |
7 | */ |
8 | ||
1da177e4 LT |
9 | #include <linux/list.h> |
10 | #include <linux/module.h> | |
1da177e4 LT |
11 | #include <linux/pci.h> |
12 | #include <linux/slab.h> | |
13 | #include <linux/spinlock.h> | |
14 | #include <linux/usb.h> | |
1da177e4 LT |
15 | #include <linux/interrupt.h> |
16 | #include <linux/firmware.h> | |
17 | #include <linux/crc32.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/input.h> | |
20 | ||
6827709a TP |
21 | #include <linux/mutex.h> |
22 | ||
fada1935 MCC |
23 | #include <media/dmxdev.h> |
24 | #include <media/dvb_demux.h> | |
25 | #include <media/dvb_frontend.h> | |
26 | #include <media/dvb_net.h> | |
1da177e4 LT |
27 | #include "ttusbdecfe.h" |
28 | ||
29 | static int debug; | |
30 | static int output_pva; | |
31 | static int enable_rc; | |
32 | ||
33 | module_param(debug, int, 0644); | |
34 | MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); | |
35 | module_param(output_pva, int, 0444); | |
36 | MODULE_PARM_DESC(output_pva, "Output PVA from dvr device (default:off)"); | |
37 | module_param(enable_rc, int, 0644); | |
38 | MODULE_PARM_DESC(enable_rc, "Turn on/off IR remote control(default: off)"); | |
39 | ||
78e92006 JG |
40 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
41 | ||
1da177e4 LT |
42 | #define dprintk if (debug) printk |
43 | ||
44 | #define DRIVER_NAME "TechnoTrend/Hauppauge DEC USB" | |
45 | ||
46 | #define COMMAND_PIPE 0x03 | |
47 | #define RESULT_PIPE 0x04 | |
48 | #define IN_PIPE 0x08 | |
49 | #define OUT_PIPE 0x07 | |
50 | #define IRQ_PIPE 0x0A | |
51 | ||
52 | #define COMMAND_PACKET_SIZE 0x3c | |
53 | #define ARM_PACKET_SIZE 0x1000 | |
54 | #define IRQ_PACKET_SIZE 0x8 | |
55 | ||
56 | #define ISO_BUF_COUNT 0x04 | |
57 | #define FRAMES_PER_ISO_BUF 0x04 | |
58 | #define ISO_FRAME_SIZE 0x0380 | |
59 | ||
60 | #define MAX_PVA_LENGTH 6144 | |
61 | ||
62 | enum ttusb_dec_model { | |
63 | TTUSB_DEC2000T, | |
64 | TTUSB_DEC2540T, | |
65 | TTUSB_DEC3000S | |
66 | }; | |
67 | ||
68 | enum ttusb_dec_packet_type { | |
69 | TTUSB_DEC_PACKET_PVA, | |
70 | TTUSB_DEC_PACKET_SECTION, | |
71 | TTUSB_DEC_PACKET_EMPTY | |
72 | }; | |
73 | ||
74 | enum ttusb_dec_interface { | |
75 | TTUSB_DEC_INTERFACE_INITIAL, | |
76 | TTUSB_DEC_INTERFACE_IN, | |
77 | TTUSB_DEC_INTERFACE_OUT | |
78 | }; | |
79 | ||
b676e731 MCC |
80 | typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *); |
81 | ||
82 | struct dvb_filter_pes2ts { | |
83 | unsigned char buf[188]; | |
84 | unsigned char cc; | |
85 | dvb_filter_pes2ts_cb_t *cb; | |
86 | void *priv; | |
87 | }; | |
88 | ||
1da177e4 LT |
89 | struct ttusb_dec { |
90 | enum ttusb_dec_model model; | |
91 | char *model_name; | |
92 | char *firmware_name; | |
93 | int can_playback; | |
94 | ||
95 | /* DVB bits */ | |
fdc53a6d | 96 | struct dvb_adapter adapter; |
1da177e4 LT |
97 | struct dmxdev dmxdev; |
98 | struct dvb_demux demux; | |
99 | struct dmx_frontend frontend; | |
100 | struct dvb_net dvb_net; | |
101 | struct dvb_frontend* fe; | |
102 | ||
103 | u16 pid[DMX_PES_OTHER]; | |
104 | ||
105 | /* USB bits */ | |
106 | struct usb_device *udev; | |
107 | u8 trans_count; | |
108 | unsigned int command_pipe; | |
109 | unsigned int result_pipe; | |
110 | unsigned int in_pipe; | |
111 | unsigned int out_pipe; | |
112 | unsigned int irq_pipe; | |
113 | enum ttusb_dec_interface interface; | |
3593cab5 | 114 | struct mutex usb_mutex; |
1da177e4 LT |
115 | |
116 | void *irq_buffer; | |
117 | struct urb *irq_urb; | |
118 | dma_addr_t irq_dma_handle; | |
119 | void *iso_buffer; | |
1da177e4 LT |
120 | struct urb *iso_urb[ISO_BUF_COUNT]; |
121 | int iso_stream_count; | |
3593cab5 | 122 | struct mutex iso_mutex; |
1da177e4 LT |
123 | |
124 | u8 packet[MAX_PVA_LENGTH + 4]; | |
125 | enum ttusb_dec_packet_type packet_type; | |
126 | int packet_state; | |
127 | int packet_length; | |
128 | int packet_payload_length; | |
129 | u16 next_packet_id; | |
130 | ||
131 | int pva_stream_count; | |
132 | int filter_stream_count; | |
133 | ||
134 | struct dvb_filter_pes2ts a_pes2ts; | |
135 | struct dvb_filter_pes2ts v_pes2ts; | |
136 | ||
137 | u8 v_pes[16 + MAX_PVA_LENGTH]; | |
138 | int v_pes_length; | |
139 | int v_pes_postbytes; | |
140 | ||
141 | struct list_head urb_frame_list; | |
142 | struct tasklet_struct urb_tasklet; | |
143 | spinlock_t urb_frame_list_lock; | |
144 | ||
145 | struct dvb_demux_filter *audio_filter; | |
146 | struct dvb_demux_filter *video_filter; | |
147 | struct list_head filter_info_list; | |
148 | spinlock_t filter_info_list_lock; | |
149 | ||
b7df3910 DT |
150 | struct input_dev *rc_input_dev; |
151 | char rc_phys[64]; | |
1da177e4 LT |
152 | |
153 | int active; /* Loaded successfully */ | |
154 | }; | |
155 | ||
156 | struct urb_frame { | |
157 | u8 data[ISO_FRAME_SIZE]; | |
158 | int length; | |
159 | struct list_head urb_frame_list; | |
160 | }; | |
161 | ||
162 | struct filter_info { | |
163 | u8 stream_id; | |
164 | struct dvb_demux_filter *filter; | |
165 | struct list_head filter_info_list; | |
166 | }; | |
167 | ||
168 | static u16 rc_keys[] = { | |
169 | KEY_POWER, | |
170 | KEY_MUTE, | |
171 | KEY_1, | |
172 | KEY_2, | |
173 | KEY_3, | |
174 | KEY_4, | |
175 | KEY_5, | |
176 | KEY_6, | |
177 | KEY_7, | |
178 | KEY_8, | |
179 | KEY_9, | |
180 | KEY_0, | |
181 | KEY_CHANNELUP, | |
182 | KEY_VOLUMEDOWN, | |
183 | KEY_OK, | |
184 | KEY_VOLUMEUP, | |
185 | KEY_CHANNELDOWN, | |
186 | KEY_PREVIOUS, | |
187 | KEY_ESC, | |
188 | KEY_RED, | |
189 | KEY_GREEN, | |
190 | KEY_YELLOW, | |
191 | KEY_BLUE, | |
192 | KEY_OPTION, | |
193 | KEY_M, | |
194 | KEY_RADIO | |
195 | }; | |
196 | ||
b676e731 MCC |
197 | static void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, |
198 | unsigned short pid, | |
199 | dvb_filter_pes2ts_cb_t *cb, void *priv) | |
200 | { | |
201 | unsigned char *buf=p2ts->buf; | |
202 | ||
203 | buf[0]=0x47; | |
204 | buf[1]=(pid>>8); | |
205 | buf[2]=pid&0xff; | |
206 | p2ts->cc=0; | |
207 | p2ts->cb=cb; | |
208 | p2ts->priv=priv; | |
209 | } | |
210 | ||
211 | static int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, | |
212 | unsigned char *pes, int len, int payload_start) | |
213 | { | |
214 | unsigned char *buf=p2ts->buf; | |
215 | int ret=0, rest; | |
216 | ||
217 | //len=6+((pes[4]<<8)|pes[5]); | |
218 | ||
219 | if (payload_start) | |
220 | buf[1]|=0x40; | |
221 | else | |
222 | buf[1]&=~0x40; | |
223 | while (len>=184) { | |
224 | buf[3]=0x10|((p2ts->cc++)&0x0f); | |
225 | memcpy(buf+4, pes, 184); | |
226 | if ((ret=p2ts->cb(p2ts->priv, buf))) | |
227 | return ret; | |
228 | len-=184; pes+=184; | |
229 | buf[1]&=~0x40; | |
230 | } | |
231 | if (!len) | |
232 | return 0; | |
233 | buf[3]=0x30|((p2ts->cc++)&0x0f); | |
234 | rest=183-len; | |
235 | if (rest) { | |
236 | buf[5]=0x00; | |
237 | if (rest-1) | |
238 | memset(buf+6, 0xff, rest-1); | |
239 | } | |
240 | buf[4]=rest; | |
241 | memcpy(buf+5+rest, pes, len); | |
242 | return p2ts->cb(p2ts->priv, buf); | |
243 | } | |
244 | ||
1da177e4 LT |
245 | static void ttusb_dec_set_model(struct ttusb_dec *dec, |
246 | enum ttusb_dec_model model); | |
247 | ||
7d12e780 | 248 | static void ttusb_dec_handle_irq( struct urb *urb) |
1da177e4 | 249 | { |
3cc26912 | 250 | struct ttusb_dec *dec = urb->context; |
1da177e4 LT |
251 | char *buffer = dec->irq_buffer; |
252 | int retval; | |
253 | ||
254 | switch(urb->status) { | |
255 | case 0: /*success*/ | |
256 | break; | |
257 | case -ECONNRESET: | |
258 | case -ENOENT: | |
259 | case -ESHUTDOWN: | |
38e2bfc9 | 260 | case -ETIME: |
1da177e4 LT |
261 | /* this urb is dead, cleanup */ |
262 | dprintk("%s:urb shutting down with status: %d\n", | |
e9815cee | 263 | __func__, urb->status); |
1da177e4 LT |
264 | return; |
265 | default: | |
266 | dprintk("%s:nonzero status received: %d\n", | |
e9815cee | 267 | __func__,urb->status); |
1da177e4 LT |
268 | goto exit; |
269 | } | |
270 | ||
3cc26912 MCC |
271 | if ((buffer[0] == 0x1) && (buffer[2] == 0x15)) { |
272 | /* | |
273 | * IR - Event | |
274 | * | |
275 | * this is an fact a bit too simple implementation; | |
1da177e4 | 276 | * the box also reports a keyrepeat signal |
3e4d8f48 | 277 | * (with buffer[3] == 0x40) in an interval of ~100ms. |
1da177e4 LT |
278 | * But to handle this correctly we had to imlemenent some |
279 | * kind of timer which signals a 'key up' event if no | |
25985edc | 280 | * keyrepeat signal is received for lets say 200ms. |
1da177e4 | 281 | * this should/could be added later ... |
3cc26912 MCC |
282 | * for now lets report each signal as a key down and up |
283 | */ | |
284 | if (buffer[4] - 1 < ARRAY_SIZE(rc_keys)) { | |
285 | dprintk("%s:rc signal:%d\n", __func__, buffer[4]); | |
286 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 1); | |
287 | input_sync(dec->rc_input_dev); | |
288 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 0); | |
289 | input_sync(dec->rc_input_dev); | |
290 | } | |
1da177e4 LT |
291 | } |
292 | ||
3cc26912 MCC |
293 | exit: |
294 | retval = usb_submit_urb(urb, GFP_ATOMIC); | |
295 | if (retval) | |
1da177e4 | 296 | printk("%s - usb_commit_urb failed with result: %d\n", |
e9815cee | 297 | __func__, retval); |
1da177e4 LT |
298 | } |
299 | ||
300 | static u16 crc16(u16 crc, const u8 *buf, size_t len) | |
301 | { | |
302 | u16 tmp; | |
303 | ||
304 | while (len--) { | |
305 | crc ^= *buf++; | |
306 | crc ^= (u8)crc >> 4; | |
307 | tmp = (u8)crc; | |
308 | crc ^= (tmp ^ (tmp << 1)) << 4; | |
309 | } | |
310 | return crc; | |
311 | } | |
312 | ||
313 | static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command, | |
314 | int param_length, const u8 params[], | |
315 | int *result_length, u8 cmd_result[]) | |
316 | { | |
61fc8749 | 317 | int result, actual_len; |
1da177e4 LT |
318 | u8 *b; |
319 | ||
e9815cee | 320 | dprintk("%s\n", __func__); |
1da177e4 LT |
321 | |
322 | b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL); | |
323 | if (!b) | |
324 | return -ENOMEM; | |
325 | ||
3593cab5 | 326 | if ((result = mutex_lock_interruptible(&dec->usb_mutex))) { |
1da177e4 | 327 | kfree(b); |
e9815cee | 328 | printk("%s: Failed to lock usb mutex.\n", __func__); |
1da177e4 LT |
329 | return result; |
330 | } | |
331 | ||
332 | b[0] = 0xaa; | |
333 | b[1] = ++dec->trans_count; | |
334 | b[2] = command; | |
335 | b[3] = param_length; | |
336 | ||
337 | if (params) | |
338 | memcpy(&b[4], params, param_length); | |
339 | ||
340 | if (debug) { | |
61fc8749 MCC |
341 | printk(KERN_DEBUG "%s: command: %*ph\n", |
342 | __func__, param_length, b); | |
1da177e4 LT |
343 | } |
344 | ||
345 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
346 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
347 | ||
348 | if (result) { | |
349 | printk("%s: command bulk message failed: error %d\n", | |
e9815cee | 350 | __func__, result); |
3593cab5 | 351 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
352 | kfree(b); |
353 | return result; | |
354 | } | |
355 | ||
356 | result = usb_bulk_msg(dec->udev, dec->result_pipe, b, | |
357 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
358 | ||
359 | if (result) { | |
360 | printk("%s: result 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 | } else { | |
366 | if (debug) { | |
61fc8749 MCC |
367 | printk(KERN_DEBUG "%s: result: %*ph\n", |
368 | __func__, actual_len, b); | |
1da177e4 LT |
369 | } |
370 | ||
371 | if (result_length) | |
372 | *result_length = b[3]; | |
373 | if (cmd_result && b[3] > 0) | |
374 | memcpy(cmd_result, &b[4], b[3]); | |
375 | ||
3593cab5 | 376 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
377 | |
378 | kfree(b); | |
379 | return 0; | |
380 | } | |
381 | } | |
382 | ||
383 | static int ttusb_dec_get_stb_state (struct ttusb_dec *dec, unsigned int *mode, | |
384 | unsigned int *model, unsigned int *version) | |
385 | { | |
386 | u8 c[COMMAND_PACKET_SIZE]; | |
387 | int c_length; | |
388 | int result; | |
d4f979a9 | 389 | __be32 tmp; |
1da177e4 | 390 | |
e9815cee | 391 | dprintk("%s\n", __func__); |
1da177e4 LT |
392 | |
393 | result = ttusb_dec_send_command(dec, 0x08, 0, NULL, &c_length, c); | |
394 | if (result) | |
395 | return result; | |
396 | ||
397 | if (c_length >= 0x0c) { | |
398 | if (mode != NULL) { | |
399 | memcpy(&tmp, c, 4); | |
400 | *mode = ntohl(tmp); | |
401 | } | |
402 | if (model != NULL) { | |
403 | memcpy(&tmp, &c[4], 4); | |
404 | *model = ntohl(tmp); | |
405 | } | |
406 | if (version != NULL) { | |
407 | memcpy(&tmp, &c[8], 4); | |
408 | *version = ntohl(tmp); | |
409 | } | |
410 | return 0; | |
411 | } else { | |
cf732b5f | 412 | return -ENOENT; |
1da177e4 LT |
413 | } |
414 | } | |
415 | ||
416 | static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data) | |
417 | { | |
f961e71a | 418 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
419 | |
420 | dec->audio_filter->feed->cb.ts(data, 188, NULL, 0, | |
fdbeb962 | 421 | &dec->audio_filter->feed->feed.ts, NULL); |
1da177e4 LT |
422 | |
423 | return 0; | |
424 | } | |
425 | ||
426 | static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data) | |
427 | { | |
f961e71a | 428 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
429 | |
430 | dec->video_filter->feed->cb.ts(data, 188, NULL, 0, | |
fdbeb962 | 431 | &dec->video_filter->feed->feed.ts, NULL); |
1da177e4 LT |
432 | |
433 | return 0; | |
434 | } | |
435 | ||
436 | static void ttusb_dec_set_pids(struct ttusb_dec *dec) | |
437 | { | |
438 | u8 b[] = { 0x00, 0x00, 0x00, 0x00, | |
439 | 0x00, 0x00, 0xff, 0xff, | |
440 | 0xff, 0xff, 0xff, 0xff }; | |
441 | ||
d4f979a9 AV |
442 | __be16 pcr = htons(dec->pid[DMX_PES_PCR]); |
443 | __be16 audio = htons(dec->pid[DMX_PES_AUDIO]); | |
444 | __be16 video = htons(dec->pid[DMX_PES_VIDEO]); | |
1da177e4 | 445 | |
e9815cee | 446 | dprintk("%s\n", __func__); |
1da177e4 LT |
447 | |
448 | memcpy(&b[0], &pcr, 2); | |
449 | memcpy(&b[2], &audio, 2); | |
450 | memcpy(&b[4], &video, 2); | |
451 | ||
452 | ttusb_dec_send_command(dec, 0x50, sizeof(b), b, NULL, NULL); | |
453 | ||
454 | dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO], | |
455 | ttusb_dec_audio_pes2ts_cb, dec); | |
456 | dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO], | |
457 | ttusb_dec_video_pes2ts_cb, dec); | |
458 | dec->v_pes_length = 0; | |
459 | dec->v_pes_postbytes = 0; | |
460 | } | |
461 | ||
462 | static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length) | |
463 | { | |
464 | if (length < 8) { | |
e9815cee | 465 | printk("%s: packet too short - discarding\n", __func__); |
1da177e4 LT |
466 | return; |
467 | } | |
468 | ||
469 | if (length > 8 + MAX_PVA_LENGTH) { | |
e9815cee | 470 | printk("%s: packet too long - discarding\n", __func__); |
1da177e4 LT |
471 | return; |
472 | } | |
473 | ||
474 | switch (pva[2]) { | |
475 | ||
476 | case 0x01: { /* VideoStream */ | |
477 | int prebytes = pva[5] & 0x03; | |
478 | int postbytes = (pva[5] & 0x0c) >> 2; | |
d4f979a9 | 479 | __be16 v_pes_payload_length; |
1da177e4 LT |
480 | |
481 | if (output_pva) { | |
482 | dec->video_filter->feed->cb.ts(pva, length, NULL, 0, | |
fdbeb962 | 483 | &dec->video_filter->feed->feed.ts, NULL); |
1da177e4 LT |
484 | return; |
485 | } | |
486 | ||
487 | if (dec->v_pes_postbytes > 0 && | |
488 | dec->v_pes_postbytes == prebytes) { | |
489 | memcpy(&dec->v_pes[dec->v_pes_length], | |
490 | &pva[12], prebytes); | |
491 | ||
492 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
493 | dec->v_pes_length + prebytes, 1); | |
494 | } | |
495 | ||
496 | if (pva[5] & 0x10) { | |
497 | dec->v_pes[7] = 0x80; | |
498 | dec->v_pes[8] = 0x05; | |
499 | ||
500 | dec->v_pes[9] = 0x21 | ((pva[8] & 0xc0) >> 5); | |
501 | dec->v_pes[10] = ((pva[8] & 0x3f) << 2) | | |
502 | ((pva[9] & 0xc0) >> 6); | |
503 | dec->v_pes[11] = 0x01 | | |
504 | ((pva[9] & 0x3f) << 2) | | |
505 | ((pva[10] & 0x80) >> 6); | |
506 | dec->v_pes[12] = ((pva[10] & 0x7f) << 1) | | |
507 | ((pva[11] & 0xc0) >> 7); | |
508 | dec->v_pes[13] = 0x01 | ((pva[11] & 0x7f) << 1); | |
509 | ||
510 | memcpy(&dec->v_pes[14], &pva[12 + prebytes], | |
511 | length - 12 - prebytes); | |
512 | dec->v_pes_length = 14 + length - 12 - prebytes; | |
513 | } else { | |
514 | dec->v_pes[7] = 0x00; | |
515 | dec->v_pes[8] = 0x00; | |
516 | ||
517 | memcpy(&dec->v_pes[9], &pva[8], length - 8); | |
518 | dec->v_pes_length = 9 + length - 8; | |
519 | } | |
520 | ||
521 | dec->v_pes_postbytes = postbytes; | |
522 | ||
523 | if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 && | |
524 | dec->v_pes[10 + dec->v_pes[8]] == 0x00 && | |
525 | dec->v_pes[11 + dec->v_pes[8]] == 0x01) | |
526 | dec->v_pes[6] = 0x84; | |
527 | else | |
528 | dec->v_pes[6] = 0x80; | |
529 | ||
530 | v_pes_payload_length = htons(dec->v_pes_length - 6 + | |
531 | postbytes); | |
532 | memcpy(&dec->v_pes[4], &v_pes_payload_length, 2); | |
533 | ||
534 | if (postbytes == 0) | |
535 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
536 | dec->v_pes_length, 1); | |
537 | ||
538 | break; | |
539 | } | |
540 | ||
541 | case 0x02: /* MainAudioStream */ | |
542 | if (output_pva) { | |
543 | dec->audio_filter->feed->cb.ts(pva, length, NULL, 0, | |
fdbeb962 | 544 | &dec->audio_filter->feed->feed.ts, NULL); |
1da177e4 LT |
545 | return; |
546 | } | |
547 | ||
548 | dvb_filter_pes2ts(&dec->a_pes2ts, &pva[8], length - 8, | |
549 | pva[5] & 0x10); | |
550 | break; | |
551 | ||
552 | default: | |
e9815cee | 553 | printk("%s: unknown PVA type: %02x.\n", __func__, |
1da177e4 LT |
554 | pva[2]); |
555 | break; | |
556 | } | |
557 | } | |
558 | ||
559 | static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet, | |
560 | int length) | |
561 | { | |
562 | struct list_head *item; | |
563 | struct filter_info *finfo; | |
564 | struct dvb_demux_filter *filter = NULL; | |
565 | unsigned long flags; | |
566 | u8 sid; | |
567 | ||
568 | sid = packet[1]; | |
569 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
570 | for (item = dec->filter_info_list.next; item != &dec->filter_info_list; | |
571 | item = item->next) { | |
572 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
573 | if (finfo->stream_id == sid) { | |
574 | filter = finfo->filter; | |
575 | break; | |
576 | } | |
577 | } | |
578 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
579 | ||
580 | if (filter) | |
581 | filter->feed->cb.sec(&packet[2], length - 2, NULL, 0, | |
fdbeb962 | 582 | &filter->filter, NULL); |
1da177e4 LT |
583 | } |
584 | ||
585 | static void ttusb_dec_process_packet(struct ttusb_dec *dec) | |
586 | { | |
587 | int i; | |
588 | u16 csum = 0; | |
589 | u16 packet_id; | |
590 | ||
591 | if (dec->packet_length % 2) { | |
e9815cee | 592 | printk("%s: odd sized packet - discarding\n", __func__); |
1da177e4 LT |
593 | return; |
594 | } | |
595 | ||
596 | for (i = 0; i < dec->packet_length; i += 2) | |
597 | csum ^= ((dec->packet[i] << 8) + dec->packet[i + 1]); | |
598 | ||
599 | if (csum) { | |
e9815cee | 600 | printk("%s: checksum failed - discarding\n", __func__); |
1da177e4 LT |
601 | return; |
602 | } | |
603 | ||
604 | packet_id = dec->packet[dec->packet_length - 4] << 8; | |
605 | packet_id += dec->packet[dec->packet_length - 3]; | |
606 | ||
607 | if ((packet_id != dec->next_packet_id) && dec->next_packet_id) { | |
608 | printk("%s: warning: lost packets between %u and %u\n", | |
e9815cee | 609 | __func__, dec->next_packet_id - 1, packet_id); |
1da177e4 LT |
610 | } |
611 | ||
612 | if (packet_id == 0xffff) | |
613 | dec->next_packet_id = 0x8000; | |
614 | else | |
615 | dec->next_packet_id = packet_id + 1; | |
616 | ||
617 | switch (dec->packet_type) { | |
618 | case TTUSB_DEC_PACKET_PVA: | |
619 | if (dec->pva_stream_count) | |
620 | ttusb_dec_process_pva(dec, dec->packet, | |
621 | dec->packet_payload_length); | |
622 | break; | |
623 | ||
624 | case TTUSB_DEC_PACKET_SECTION: | |
625 | if (dec->filter_stream_count) | |
626 | ttusb_dec_process_filter(dec, dec->packet, | |
627 | dec->packet_payload_length); | |
628 | break; | |
629 | ||
630 | case TTUSB_DEC_PACKET_EMPTY: | |
631 | break; | |
632 | } | |
633 | } | |
634 | ||
635 | static void swap_bytes(u8 *b, int length) | |
636 | { | |
1da177e4 | 637 | length -= length % 2; |
41cc14ba FF |
638 | for (; length; b += 2, length -= 2) |
639 | swap(*b, *(b + 1)); | |
1da177e4 LT |
640 | } |
641 | ||
642 | static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b, | |
643 | int length) | |
644 | { | |
645 | swap_bytes(b, length); | |
646 | ||
647 | while (length) { | |
648 | switch (dec->packet_state) { | |
649 | ||
650 | case 0: | |
651 | case 1: | |
652 | case 2: | |
653 | if (*b++ == 0xaa) | |
654 | dec->packet_state++; | |
655 | else | |
656 | dec->packet_state = 0; | |
657 | ||
658 | length--; | |
659 | break; | |
660 | ||
661 | case 3: | |
662 | if (*b == 0x00) { | |
663 | dec->packet_state++; | |
664 | dec->packet_length = 0; | |
665 | } else if (*b != 0xaa) { | |
666 | dec->packet_state = 0; | |
667 | } | |
668 | ||
669 | b++; | |
670 | length--; | |
671 | break; | |
672 | ||
673 | case 4: | |
674 | dec->packet[dec->packet_length++] = *b++; | |
675 | ||
676 | if (dec->packet_length == 2) { | |
677 | if (dec->packet[0] == 'A' && | |
678 | dec->packet[1] == 'V') { | |
679 | dec->packet_type = | |
680 | TTUSB_DEC_PACKET_PVA; | |
681 | dec->packet_state++; | |
682 | } else if (dec->packet[0] == 'S') { | |
683 | dec->packet_type = | |
684 | TTUSB_DEC_PACKET_SECTION; | |
685 | dec->packet_state++; | |
686 | } else if (dec->packet[0] == 0x00) { | |
687 | dec->packet_type = | |
688 | TTUSB_DEC_PACKET_EMPTY; | |
689 | dec->packet_payload_length = 2; | |
690 | dec->packet_state = 7; | |
691 | } else { | |
bf769a4e MCC |
692 | printk("%s: unknown packet type: %02x%02x\n", |
693 | __func__, | |
1da177e4 LT |
694 | dec->packet[0], dec->packet[1]); |
695 | dec->packet_state = 0; | |
696 | } | |
697 | } | |
698 | ||
699 | length--; | |
700 | break; | |
701 | ||
702 | case 5: | |
703 | dec->packet[dec->packet_length++] = *b++; | |
704 | ||
705 | if (dec->packet_type == TTUSB_DEC_PACKET_PVA && | |
706 | dec->packet_length == 8) { | |
707 | dec->packet_state++; | |
708 | dec->packet_payload_length = 8 + | |
709 | (dec->packet[6] << 8) + | |
710 | dec->packet[7]; | |
711 | } else if (dec->packet_type == | |
712 | TTUSB_DEC_PACKET_SECTION && | |
713 | dec->packet_length == 5) { | |
714 | dec->packet_state++; | |
715 | dec->packet_payload_length = 5 + | |
716 | ((dec->packet[3] & 0x0f) << 8) + | |
717 | dec->packet[4]; | |
718 | } | |
719 | ||
720 | length--; | |
721 | break; | |
722 | ||
723 | case 6: { | |
724 | int remainder = dec->packet_payload_length - | |
725 | dec->packet_length; | |
726 | ||
727 | if (length >= remainder) { | |
728 | memcpy(dec->packet + dec->packet_length, | |
729 | b, remainder); | |
730 | dec->packet_length += remainder; | |
731 | b += remainder; | |
732 | length -= remainder; | |
733 | dec->packet_state++; | |
734 | } else { | |
735 | memcpy(&dec->packet[dec->packet_length], | |
736 | b, length); | |
737 | dec->packet_length += length; | |
738 | length = 0; | |
739 | } | |
740 | ||
741 | break; | |
742 | } | |
743 | ||
744 | case 7: { | |
745 | int tail = 4; | |
746 | ||
747 | dec->packet[dec->packet_length++] = *b++; | |
748 | ||
749 | if (dec->packet_type == TTUSB_DEC_PACKET_SECTION && | |
750 | dec->packet_payload_length % 2) | |
751 | tail++; | |
752 | ||
753 | if (dec->packet_length == | |
754 | dec->packet_payload_length + tail) { | |
755 | ttusb_dec_process_packet(dec); | |
756 | dec->packet_state = 0; | |
757 | } | |
758 | ||
759 | length--; | |
760 | break; | |
761 | } | |
762 | ||
763 | default: | |
764 | printk("%s: illegal packet state encountered.\n", | |
e9815cee | 765 | __func__); |
1da177e4 LT |
766 | dec->packet_state = 0; |
767 | } | |
768 | } | |
769 | } | |
770 | ||
771 | static void ttusb_dec_process_urb_frame_list(unsigned long data) | |
772 | { | |
773 | struct ttusb_dec *dec = (struct ttusb_dec *)data; | |
774 | struct list_head *item; | |
775 | struct urb_frame *frame; | |
776 | unsigned long flags; | |
777 | ||
778 | while (1) { | |
779 | spin_lock_irqsave(&dec->urb_frame_list_lock, flags); | |
780 | if ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
781 | frame = list_entry(item, struct urb_frame, | |
782 | urb_frame_list); | |
783 | list_del(&frame->urb_frame_list); | |
784 | } else { | |
785 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
786 | flags); | |
787 | return; | |
788 | } | |
789 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, flags); | |
790 | ||
791 | ttusb_dec_process_urb_frame(dec, frame->data, frame->length); | |
792 | kfree(frame); | |
793 | } | |
794 | } | |
795 | ||
7d12e780 | 796 | static void ttusb_dec_process_urb(struct urb *urb) |
1da177e4 LT |
797 | { |
798 | struct ttusb_dec *dec = urb->context; | |
799 | ||
800 | if (!urb->status) { | |
801 | int i; | |
802 | ||
803 | for (i = 0; i < FRAMES_PER_ISO_BUF; i++) { | |
804 | struct usb_iso_packet_descriptor *d; | |
805 | u8 *b; | |
806 | int length; | |
807 | struct urb_frame *frame; | |
808 | ||
809 | d = &urb->iso_frame_desc[i]; | |
810 | b = urb->transfer_buffer + d->offset; | |
811 | length = d->actual_length; | |
812 | ||
813 | if ((frame = kmalloc(sizeof(struct urb_frame), | |
814 | GFP_ATOMIC))) { | |
815 | unsigned long flags; | |
816 | ||
817 | memcpy(frame->data, b, length); | |
818 | frame->length = length; | |
819 | ||
820 | spin_lock_irqsave(&dec->urb_frame_list_lock, | |
821 | flags); | |
822 | list_add_tail(&frame->urb_frame_list, | |
823 | &dec->urb_frame_list); | |
824 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
825 | flags); | |
826 | ||
827 | tasklet_schedule(&dec->urb_tasklet); | |
828 | } | |
829 | } | |
830 | } else { | |
831 | /* -ENOENT is expected when unlinking urbs */ | |
832 | if (urb->status != -ENOENT) | |
e9815cee | 833 | dprintk("%s: urb error: %d\n", __func__, |
1da177e4 LT |
834 | urb->status); |
835 | } | |
836 | ||
837 | if (dec->iso_stream_count) | |
838 | usb_submit_urb(urb, GFP_ATOMIC); | |
839 | } | |
840 | ||
841 | static void ttusb_dec_setup_urbs(struct ttusb_dec *dec) | |
842 | { | |
843 | int i, j, buffer_offset = 0; | |
844 | ||
e9815cee | 845 | dprintk("%s\n", __func__); |
1da177e4 LT |
846 | |
847 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
848 | int frame_offset = 0; | |
849 | struct urb *urb = dec->iso_urb[i]; | |
850 | ||
851 | urb->dev = dec->udev; | |
852 | urb->context = dec; | |
853 | urb->complete = ttusb_dec_process_urb; | |
854 | urb->pipe = dec->in_pipe; | |
855 | urb->transfer_flags = URB_ISO_ASAP; | |
856 | urb->interval = 1; | |
857 | urb->number_of_packets = FRAMES_PER_ISO_BUF; | |
858 | urb->transfer_buffer_length = ISO_FRAME_SIZE * | |
859 | FRAMES_PER_ISO_BUF; | |
860 | urb->transfer_buffer = dec->iso_buffer + buffer_offset; | |
861 | buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF; | |
862 | ||
863 | for (j = 0; j < FRAMES_PER_ISO_BUF; j++) { | |
864 | urb->iso_frame_desc[j].offset = frame_offset; | |
865 | urb->iso_frame_desc[j].length = ISO_FRAME_SIZE; | |
866 | frame_offset += ISO_FRAME_SIZE; | |
867 | } | |
868 | } | |
869 | } | |
870 | ||
871 | static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec) | |
872 | { | |
873 | int i; | |
874 | ||
e9815cee | 875 | dprintk("%s\n", __func__); |
1da177e4 | 876 | |
3593cab5 | 877 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
878 | return; |
879 | ||
880 | dec->iso_stream_count--; | |
881 | ||
882 | if (!dec->iso_stream_count) { | |
883 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
884 | usb_kill_urb(dec->iso_urb[i]); | |
885 | } | |
886 | ||
3593cab5 | 887 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
888 | } |
889 | ||
890 | /* Setting the interface of the DEC tends to take down the USB communications | |
891 | * for a short period, so it's important not to call this function just before | |
892 | * trying to talk to it. | |
893 | */ | |
894 | static int ttusb_dec_set_interface(struct ttusb_dec *dec, | |
895 | enum ttusb_dec_interface interface) | |
896 | { | |
897 | int result = 0; | |
898 | u8 b[] = { 0x05 }; | |
899 | ||
900 | if (interface != dec->interface) { | |
901 | switch (interface) { | |
902 | case TTUSB_DEC_INTERFACE_INITIAL: | |
903 | result = usb_set_interface(dec->udev, 0, 0); | |
904 | break; | |
905 | case TTUSB_DEC_INTERFACE_IN: | |
906 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b), | |
907 | b, NULL, NULL); | |
908 | if (result) | |
909 | return result; | |
910 | result = usb_set_interface(dec->udev, 0, 8); | |
911 | break; | |
912 | case TTUSB_DEC_INTERFACE_OUT: | |
913 | result = usb_set_interface(dec->udev, 0, 1); | |
914 | break; | |
915 | } | |
916 | ||
917 | if (result) | |
918 | return result; | |
919 | ||
920 | dec->interface = interface; | |
921 | } | |
922 | ||
923 | return 0; | |
924 | } | |
925 | ||
926 | static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec) | |
927 | { | |
928 | int i, result; | |
929 | ||
e9815cee | 930 | dprintk("%s\n", __func__); |
1da177e4 | 931 | |
3593cab5 | 932 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
933 | return -EAGAIN; |
934 | ||
935 | if (!dec->iso_stream_count) { | |
936 | ttusb_dec_setup_urbs(dec); | |
937 | ||
938 | dec->packet_state = 0; | |
939 | dec->v_pes_postbytes = 0; | |
940 | dec->next_packet_id = 0; | |
941 | ||
942 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
943 | if ((result = usb_submit_urb(dec->iso_urb[i], | |
944 | GFP_ATOMIC))) { | |
bf769a4e MCC |
945 | printk("%s: failed urb submission %d: error %d\n", |
946 | __func__, i, result); | |
1da177e4 LT |
947 | |
948 | while (i) { | |
949 | usb_kill_urb(dec->iso_urb[i - 1]); | |
950 | i--; | |
951 | } | |
952 | ||
3593cab5 | 953 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
954 | return result; |
955 | } | |
956 | } | |
957 | } | |
958 | ||
959 | dec->iso_stream_count++; | |
960 | ||
3593cab5 | 961 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
962 | |
963 | return 0; | |
964 | } | |
965 | ||
966 | static int ttusb_dec_start_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
967 | { | |
968 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
969 | struct ttusb_dec *dec = dvbdmx->priv; | |
970 | u8 b0[] = { 0x05 }; | |
971 | int result = 0; | |
972 | ||
e9815cee | 973 | dprintk("%s\n", __func__); |
1da177e4 LT |
974 | |
975 | dprintk(" ts_type:"); | |
976 | ||
977 | if (dvbdmxfeed->ts_type & TS_DECODER) | |
978 | dprintk(" TS_DECODER"); | |
979 | ||
980 | if (dvbdmxfeed->ts_type & TS_PACKET) | |
981 | dprintk(" TS_PACKET"); | |
982 | ||
983 | if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY) | |
984 | dprintk(" TS_PAYLOAD_ONLY"); | |
985 | ||
986 | dprintk("\n"); | |
987 | ||
988 | switch (dvbdmxfeed->pes_type) { | |
989 | ||
fde04ab9 MCC |
990 | case DMX_PES_VIDEO: |
991 | dprintk(" pes_type: DMX_PES_VIDEO\n"); | |
1da177e4 LT |
992 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; |
993 | dec->pid[DMX_PES_VIDEO] = dvbdmxfeed->pid; | |
994 | dec->video_filter = dvbdmxfeed->filter; | |
995 | ttusb_dec_set_pids(dec); | |
996 | break; | |
997 | ||
fde04ab9 MCC |
998 | case DMX_PES_AUDIO: |
999 | dprintk(" pes_type: DMX_PES_AUDIO\n"); | |
1da177e4 LT |
1000 | dec->pid[DMX_PES_AUDIO] = dvbdmxfeed->pid; |
1001 | dec->audio_filter = dvbdmxfeed->filter; | |
1002 | ttusb_dec_set_pids(dec); | |
1003 | break; | |
1004 | ||
fde04ab9 | 1005 | case DMX_PES_TELETEXT: |
1da177e4 | 1006 | dec->pid[DMX_PES_TELETEXT] = dvbdmxfeed->pid; |
fde04ab9 | 1007 | dprintk(" pes_type: DMX_PES_TELETEXT(not supported)\n"); |
f961e71a | 1008 | return -ENOSYS; |
1da177e4 | 1009 | |
fde04ab9 MCC |
1010 | case DMX_PES_PCR: |
1011 | dprintk(" pes_type: DMX_PES_PCR\n"); | |
1da177e4 LT |
1012 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; |
1013 | ttusb_dec_set_pids(dec); | |
1014 | break; | |
1015 | ||
fde04ab9 MCC |
1016 | case DMX_PES_OTHER: |
1017 | dprintk(" pes_type: DMX_PES_OTHER(not supported)\n"); | |
f961e71a | 1018 | return -ENOSYS; |
1da177e4 LT |
1019 | |
1020 | default: | |
1021 | dprintk(" pes_type: unknown (%d)\n", dvbdmxfeed->pes_type); | |
1022 | return -EINVAL; | |
1023 | ||
1024 | } | |
1025 | ||
1026 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b0), b0, NULL, NULL); | |
1027 | if (result) | |
1028 | return result; | |
1029 | ||
1030 | dec->pva_stream_count++; | |
1031 | return ttusb_dec_start_iso_xfer(dec); | |
1032 | } | |
1033 | ||
1034 | static int ttusb_dec_start_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1035 | { | |
1036 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1037 | u8 b0[] = { 0x00, 0x00, 0x00, 0x01, | |
1038 | 0x00, 0x00, 0x00, 0x00, | |
1039 | 0x00, 0x00, 0x00, 0x00, | |
1040 | 0x00, 0x00, 0x00, 0x00, | |
1041 | 0x00, 0xff, 0x00, 0x00, | |
1042 | 0x00, 0x00, 0x00, 0x00, | |
1043 | 0x00, 0x00, 0x00, 0x00, | |
1044 | 0x00 }; | |
d4f979a9 | 1045 | __be16 pid; |
1da177e4 LT |
1046 | u8 c[COMMAND_PACKET_SIZE]; |
1047 | int c_length; | |
1048 | int result; | |
1049 | struct filter_info *finfo; | |
1050 | unsigned long flags; | |
1051 | u8 x = 1; | |
1052 | ||
e9815cee | 1053 | dprintk("%s\n", __func__); |
1da177e4 LT |
1054 | |
1055 | pid = htons(dvbdmxfeed->pid); | |
1056 | memcpy(&b0[0], &pid, 2); | |
1057 | memcpy(&b0[4], &x, 1); | |
1058 | memcpy(&b0[5], &dvbdmxfeed->filter->filter.filter_value[0], 1); | |
1059 | ||
1060 | result = ttusb_dec_send_command(dec, 0x60, sizeof(b0), b0, | |
1061 | &c_length, c); | |
1062 | ||
1063 | if (!result) { | |
1064 | if (c_length == 2) { | |
1065 | if (!(finfo = kmalloc(sizeof(struct filter_info), | |
1066 | GFP_ATOMIC))) | |
1067 | return -ENOMEM; | |
1068 | ||
1069 | finfo->stream_id = c[1]; | |
1070 | finfo->filter = dvbdmxfeed->filter; | |
1071 | ||
1072 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1073 | list_add_tail(&finfo->filter_info_list, | |
1074 | &dec->filter_info_list); | |
1075 | spin_unlock_irqrestore(&dec->filter_info_list_lock, | |
1076 | flags); | |
1077 | ||
1078 | dvbdmxfeed->priv = finfo; | |
1079 | ||
1080 | dec->filter_stream_count++; | |
1081 | return ttusb_dec_start_iso_xfer(dec); | |
1082 | } | |
1083 | ||
1084 | return -EAGAIN; | |
1085 | } else | |
1086 | return result; | |
1087 | } | |
1088 | ||
1089 | static int ttusb_dec_start_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1090 | { | |
1091 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
1092 | ||
e9815cee | 1093 | dprintk("%s\n", __func__); |
1da177e4 LT |
1094 | |
1095 | if (!dvbdmx->dmx.frontend) | |
1096 | return -EINVAL; | |
1097 | ||
1098 | dprintk(" pid: 0x%04X\n", dvbdmxfeed->pid); | |
1099 | ||
1100 | switch (dvbdmxfeed->type) { | |
1101 | ||
1102 | case DMX_TYPE_TS: | |
1103 | return ttusb_dec_start_ts_feed(dvbdmxfeed); | |
1104 | break; | |
1105 | ||
1106 | case DMX_TYPE_SEC: | |
1107 | return ttusb_dec_start_sec_feed(dvbdmxfeed); | |
1108 | break; | |
1109 | ||
1110 | default: | |
1111 | dprintk(" type: unknown (%d)\n", dvbdmxfeed->type); | |
1112 | return -EINVAL; | |
1113 | ||
1114 | } | |
1115 | } | |
1116 | ||
1117 | static int ttusb_dec_stop_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1118 | { | |
1119 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1120 | u8 b0[] = { 0x00 }; | |
1121 | ||
1122 | ttusb_dec_send_command(dec, 0x81, sizeof(b0), b0, NULL, NULL); | |
1123 | ||
1124 | dec->pva_stream_count--; | |
1125 | ||
1126 | ttusb_dec_stop_iso_xfer(dec); | |
1127 | ||
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | static int ttusb_dec_stop_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1132 | { | |
1133 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1134 | u8 b0[] = { 0x00, 0x00 }; | |
1135 | struct filter_info *finfo = (struct filter_info *)dvbdmxfeed->priv; | |
1136 | unsigned long flags; | |
1137 | ||
1138 | b0[1] = finfo->stream_id; | |
1139 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1140 | list_del(&finfo->filter_info_list); | |
1141 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
1142 | kfree(finfo); | |
1143 | ttusb_dec_send_command(dec, 0x62, sizeof(b0), b0, NULL, NULL); | |
1144 | ||
1145 | dec->filter_stream_count--; | |
1146 | ||
1147 | ttusb_dec_stop_iso_xfer(dec); | |
1148 | ||
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | static int ttusb_dec_stop_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1153 | { | |
e9815cee | 1154 | dprintk("%s\n", __func__); |
1da177e4 LT |
1155 | |
1156 | switch (dvbdmxfeed->type) { | |
1157 | case DMX_TYPE_TS: | |
1158 | return ttusb_dec_stop_ts_feed(dvbdmxfeed); | |
1159 | break; | |
1160 | ||
1161 | case DMX_TYPE_SEC: | |
1162 | return ttusb_dec_stop_sec_feed(dvbdmxfeed); | |
1163 | break; | |
1164 | } | |
1165 | ||
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec) | |
1170 | { | |
1171 | int i; | |
1172 | ||
e9815cee | 1173 | dprintk("%s\n", __func__); |
1da177e4 LT |
1174 | |
1175 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
5d02d027 | 1176 | usb_free_urb(dec->iso_urb[i]); |
8d669f93 | 1177 | kfree(dec->iso_buffer); |
1da177e4 LT |
1178 | } |
1179 | ||
1180 | static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) | |
1181 | { | |
1182 | int i; | |
1183 | ||
e9815cee | 1184 | dprintk("%s\n", __func__); |
1da177e4 | 1185 | |
8d669f93 CH |
1186 | dec->iso_buffer = kcalloc(FRAMES_PER_ISO_BUF * ISO_BUF_COUNT, |
1187 | ISO_FRAME_SIZE, GFP_KERNEL); | |
1188 | if (!dec->iso_buffer) | |
d7c31a1e | 1189 | return -ENOMEM; |
d7c31a1e | 1190 | |
1da177e4 LT |
1191 | for (i = 0; i < ISO_BUF_COUNT; i++) { |
1192 | struct urb *urb; | |
1193 | ||
1194 | if (!(urb = usb_alloc_urb(FRAMES_PER_ISO_BUF, GFP_ATOMIC))) { | |
1195 | ttusb_dec_free_iso_urbs(dec); | |
1196 | return -ENOMEM; | |
1197 | } | |
1198 | ||
1199 | dec->iso_urb[i] = urb; | |
1200 | } | |
1201 | ||
1202 | ttusb_dec_setup_urbs(dec); | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | static void ttusb_dec_init_tasklet(struct ttusb_dec *dec) | |
1208 | { | |
1209 | spin_lock_init(&dec->urb_frame_list_lock); | |
1210 | INIT_LIST_HEAD(&dec->urb_frame_list); | |
1211 | tasklet_init(&dec->urb_tasklet, ttusb_dec_process_urb_frame_list, | |
1212 | (unsigned long)dec); | |
1213 | } | |
1214 | ||
50c25fff | 1215 | static int ttusb_init_rc( struct ttusb_dec *dec) |
1da177e4 | 1216 | { |
b7df3910 | 1217 | struct input_dev *input_dev; |
1da177e4 LT |
1218 | u8 b[] = { 0x00, 0x01 }; |
1219 | int i; | |
b07b4783 | 1220 | int err; |
1da177e4 | 1221 | |
b7df3910 | 1222 | usb_make_path(dec->udev, dec->rc_phys, sizeof(dec->rc_phys)); |
b1858190 | 1223 | strlcat(dec->rc_phys, "/input0", sizeof(dec->rc_phys)); |
1da177e4 | 1224 | |
b07b4783 | 1225 | input_dev = input_allocate_device(); |
b7df3910 DT |
1226 | if (!input_dev) |
1227 | return -ENOMEM; | |
1228 | ||
1229 | input_dev->name = "ttusb_dec remote control"; | |
1230 | input_dev->phys = dec->rc_phys; | |
7b19ada2 | 1231 | input_dev->evbit[0] = BIT_MASK(EV_KEY); |
b7df3910 DT |
1232 | input_dev->keycodesize = sizeof(u16); |
1233 | input_dev->keycodemax = 0x1a; | |
1234 | input_dev->keycode = rc_keys; | |
1da177e4 | 1235 | |
b7df3910 | 1236 | for (i = 0; i < ARRAY_SIZE(rc_keys); i++) |
50c25fff | 1237 | set_bit(rc_keys[i], input_dev->keybit); |
1da177e4 | 1238 | |
b07b4783 DT |
1239 | err = input_register_device(input_dev); |
1240 | if (err) { | |
1241 | input_free_device(input_dev); | |
1242 | return err; | |
1243 | } | |
1da177e4 | 1244 | |
b07b4783 | 1245 | dec->rc_input_dev = input_dev; |
b7df3910 | 1246 | if (usb_submit_urb(dec->irq_urb, GFP_KERNEL)) |
e9815cee | 1247 | printk("%s: usb_submit_urb failed\n",__func__); |
1da177e4 LT |
1248 | /* enable irq pipe */ |
1249 | ttusb_dec_send_command(dec,0xb0,sizeof(b),b,NULL,NULL); | |
b7df3910 DT |
1250 | |
1251 | return 0; | |
1da177e4 LT |
1252 | } |
1253 | ||
1254 | static void ttusb_dec_init_v_pes(struct ttusb_dec *dec) | |
1255 | { | |
e9815cee | 1256 | dprintk("%s\n", __func__); |
1da177e4 LT |
1257 | |
1258 | dec->v_pes[0] = 0x00; | |
1259 | dec->v_pes[1] = 0x00; | |
1260 | dec->v_pes[2] = 0x01; | |
1261 | dec->v_pes[3] = 0xe0; | |
1262 | } | |
1263 | ||
1264 | static int ttusb_dec_init_usb(struct ttusb_dec *dec) | |
1265 | { | |
cf732b5f AK |
1266 | int result; |
1267 | ||
e9815cee | 1268 | dprintk("%s\n", __func__); |
1da177e4 | 1269 | |
3593cab5 IM |
1270 | mutex_init(&dec->usb_mutex); |
1271 | mutex_init(&dec->iso_mutex); | |
1da177e4 LT |
1272 | |
1273 | dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE); | |
1274 | dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE); | |
1275 | dec->in_pipe = usb_rcvisocpipe(dec->udev, IN_PIPE); | |
1276 | dec->out_pipe = usb_sndisocpipe(dec->udev, OUT_PIPE); | |
1277 | dec->irq_pipe = usb_rcvintpipe(dec->udev, IRQ_PIPE); | |
1278 | ||
1279 | if(enable_rc) { | |
1280 | dec->irq_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1281 | if(!dec->irq_urb) { | |
1282 | return -ENOMEM; | |
1283 | } | |
997ea58e | 1284 | dec->irq_buffer = usb_alloc_coherent(dec->udev,IRQ_PACKET_SIZE, |
cf732b5f | 1285 | GFP_KERNEL, &dec->irq_dma_handle); |
1da177e4 | 1286 | if(!dec->irq_buffer) { |
7935eeae | 1287 | usb_free_urb(dec->irq_urb); |
1da177e4 LT |
1288 | return -ENOMEM; |
1289 | } | |
1290 | usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe, | |
1291 | dec->irq_buffer, IRQ_PACKET_SIZE, | |
1292 | ttusb_dec_handle_irq, dec, 1); | |
1293 | dec->irq_urb->transfer_dma = dec->irq_dma_handle; | |
1294 | dec->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1295 | } | |
1296 | ||
cf732b5f AK |
1297 | result = ttusb_dec_alloc_iso_urbs(dec); |
1298 | if (result) { | |
1299 | usb_free_urb(dec->irq_urb); | |
1300 | usb_free_coherent(dec->udev, IRQ_PACKET_SIZE, | |
1301 | dec->irq_buffer, dec->irq_dma_handle); | |
1302 | } | |
1303 | return result; | |
1da177e4 LT |
1304 | } |
1305 | ||
1306 | static int ttusb_dec_boot_dsp(struct ttusb_dec *dec) | |
1307 | { | |
1308 | int i, j, actual_len, result, size, trans_count; | |
1309 | u8 b0[] = { 0x00, 0x00, 0x00, 0x00, | |
1310 | 0x00, 0x00, 0x00, 0x00, | |
1311 | 0x61, 0x00 }; | |
1312 | u8 b1[] = { 0x61 }; | |
1313 | u8 *b; | |
1314 | char idstring[21]; | |
99b6e4f5 | 1315 | const u8 *firmware = NULL; |
1da177e4 LT |
1316 | size_t firmware_size = 0; |
1317 | u16 firmware_csum = 0; | |
d4f979a9 AV |
1318 | __be16 firmware_csum_ns; |
1319 | __be32 firmware_size_nl; | |
1320 | u32 crc32_csum, crc32_check; | |
1321 | __be32 tmp; | |
1da177e4 LT |
1322 | const struct firmware *fw_entry = NULL; |
1323 | ||
e9815cee | 1324 | dprintk("%s\n", __func__); |
1da177e4 | 1325 | |
cf732b5f AK |
1326 | result = request_firmware(&fw_entry, dec->firmware_name, &dec->udev->dev); |
1327 | if (result) { | |
1da177e4 | 1328 | printk(KERN_ERR "%s: Firmware (%s) unavailable.\n", |
e9815cee | 1329 | __func__, dec->firmware_name); |
cf732b5f | 1330 | return result; |
1da177e4 LT |
1331 | } |
1332 | ||
1333 | firmware = fw_entry->data; | |
1334 | firmware_size = fw_entry->size; | |
1335 | ||
1336 | if (firmware_size < 60) { | |
1337 | printk("%s: firmware size too small for DSP code (%zu < 60).\n", | |
e9815cee | 1338 | __func__, firmware_size); |
0c744b01 | 1339 | release_firmware(fw_entry); |
cf732b5f | 1340 | return -ENOENT; |
1da177e4 LT |
1341 | } |
1342 | ||
1343 | /* a 32 bit checksum over the first 56 bytes of the DSP Code is stored | |
1344 | at offset 56 of file, so use it to check if the firmware file is | |
1345 | valid. */ | |
1346 | crc32_csum = crc32(~0L, firmware, 56) ^ ~0L; | |
1347 | memcpy(&tmp, &firmware[56], 4); | |
d4f979a9 | 1348 | crc32_check = ntohl(tmp); |
1da177e4 | 1349 | if (crc32_csum != crc32_check) { |
bf769a4e | 1350 | printk("%s: crc32 check of DSP code failed (calculated 0x%08x != 0x%08x in file), file invalid.\n", |
e9815cee | 1351 | __func__, crc32_csum, crc32_check); |
0c744b01 | 1352 | release_firmware(fw_entry); |
cf732b5f | 1353 | return -ENOENT; |
1da177e4 LT |
1354 | } |
1355 | memcpy(idstring, &firmware[36], 20); | |
1356 | idstring[20] = '\0'; | |
1357 | printk(KERN_INFO "ttusb_dec: found DSP code \"%s\".\n", idstring); | |
1358 | ||
1359 | firmware_size_nl = htonl(firmware_size); | |
1360 | memcpy(b0, &firmware_size_nl, 4); | |
1361 | firmware_csum = crc16(~0, firmware, firmware_size) ^ ~0; | |
1362 | firmware_csum_ns = htons(firmware_csum); | |
1363 | memcpy(&b0[6], &firmware_csum_ns, 2); | |
1364 | ||
1365 | result = ttusb_dec_send_command(dec, 0x41, sizeof(b0), b0, NULL, NULL); | |
1366 | ||
0c744b01 AH |
1367 | if (result) { |
1368 | release_firmware(fw_entry); | |
1da177e4 | 1369 | return result; |
0c744b01 | 1370 | } |
1da177e4 LT |
1371 | |
1372 | trans_count = 0; | |
1373 | j = 0; | |
1374 | ||
1375 | b = kmalloc(ARM_PACKET_SIZE, GFP_KERNEL); | |
0c744b01 AH |
1376 | if (b == NULL) { |
1377 | release_firmware(fw_entry); | |
1da177e4 | 1378 | return -ENOMEM; |
0c744b01 | 1379 | } |
1da177e4 LT |
1380 | |
1381 | for (i = 0; i < firmware_size; i += COMMAND_PACKET_SIZE) { | |
1382 | size = firmware_size - i; | |
1383 | if (size > COMMAND_PACKET_SIZE) | |
1384 | size = COMMAND_PACKET_SIZE; | |
1385 | ||
1386 | b[j + 0] = 0xaa; | |
1387 | b[j + 1] = trans_count++; | |
1388 | b[j + 2] = 0xf0; | |
1389 | b[j + 3] = size; | |
1390 | memcpy(&b[j + 4], &firmware[i], size); | |
1391 | ||
1392 | j += COMMAND_PACKET_SIZE + 4; | |
1393 | ||
1394 | if (j >= ARM_PACKET_SIZE) { | |
1395 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1396 | ARM_PACKET_SIZE, &actual_len, | |
1397 | 100); | |
1398 | j = 0; | |
1399 | } else if (size < COMMAND_PACKET_SIZE) { | |
1400 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1401 | j - COMMAND_PACKET_SIZE + size, | |
1402 | &actual_len, 100); | |
1403 | } | |
1404 | } | |
1405 | ||
1406 | result = ttusb_dec_send_command(dec, 0x43, sizeof(b1), b1, NULL, NULL); | |
1407 | ||
0c744b01 | 1408 | release_firmware(fw_entry); |
1da177e4 LT |
1409 | kfree(b); |
1410 | ||
1411 | return result; | |
1412 | } | |
1413 | ||
1414 | static int ttusb_dec_init_stb(struct ttusb_dec *dec) | |
1415 | { | |
1416 | int result; | |
cf8e193a | 1417 | unsigned int mode = 0, model = 0, version = 0; |
1da177e4 | 1418 | |
e9815cee | 1419 | dprintk("%s\n", __func__); |
1da177e4 LT |
1420 | |
1421 | result = ttusb_dec_get_stb_state(dec, &mode, &model, &version); | |
cf732b5f AK |
1422 | if (result) |
1423 | return result; | |
1da177e4 | 1424 | |
cf732b5f AK |
1425 | if (!mode) { |
1426 | if (version == 0xABCDEFAB) | |
bf769a4e | 1427 | printk(KERN_INFO "ttusb_dec: no version info in Firmware\n"); |
cf732b5f | 1428 | else |
bf769a4e | 1429 | printk(KERN_INFO "ttusb_dec: Firmware %x.%02x%c%c\n", |
cf732b5f AK |
1430 | version >> 24, (version >> 16) & 0xff, |
1431 | (version >> 8) & 0xff, version & 0xff); | |
1da177e4 | 1432 | |
cf732b5f AK |
1433 | result = ttusb_dec_boot_dsp(dec); |
1434 | if (result) | |
1435 | return result; | |
1436 | } else { | |
1437 | /* We can't trust the USB IDs that some firmwares | |
1438 | give the box */ | |
1439 | switch (model) { | |
1440 | case 0x00070001: | |
1441 | case 0x00070008: | |
1442 | case 0x0007000c: | |
1443 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1444 | break; | |
1445 | case 0x00070009: | |
1446 | case 0x00070013: | |
1447 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1448 | break; | |
1449 | case 0x00070011: | |
1450 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1451 | break; | |
1452 | default: | |
bf769a4e | 1453 | printk(KERN_ERR "%s: unknown model returned by firmware (%08x) - please report\n", |
cf732b5f AK |
1454 | __func__, model); |
1455 | return -ENOENT; | |
1456 | } | |
3ff105ed MCC |
1457 | if (version >= 0x01770000) |
1458 | dec->can_playback = 1; | |
1da177e4 | 1459 | } |
cf732b5f | 1460 | return 0; |
1da177e4 LT |
1461 | } |
1462 | ||
1463 | static int ttusb_dec_init_dvb(struct ttusb_dec *dec) | |
1464 | { | |
1465 | int result; | |
1466 | ||
e9815cee | 1467 | dprintk("%s\n", __func__); |
1da177e4 LT |
1468 | |
1469 | if ((result = dvb_register_adapter(&dec->adapter, | |
78e92006 JG |
1470 | dec->model_name, THIS_MODULE, |
1471 | &dec->udev->dev, | |
1472 | adapter_nr)) < 0) { | |
1da177e4 | 1473 | printk("%s: dvb_register_adapter failed: error %d\n", |
e9815cee | 1474 | __func__, result); |
1da177e4 LT |
1475 | |
1476 | return result; | |
1477 | } | |
1478 | ||
1479 | dec->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; | |
1480 | ||
1481 | dec->demux.priv = (void *)dec; | |
1482 | dec->demux.filternum = 31; | |
1483 | dec->demux.feednum = 31; | |
1484 | dec->demux.start_feed = ttusb_dec_start_feed; | |
1485 | dec->demux.stop_feed = ttusb_dec_stop_feed; | |
1486 | dec->demux.write_to_decoder = NULL; | |
1487 | ||
1488 | if ((result = dvb_dmx_init(&dec->demux)) < 0) { | |
e9815cee | 1489 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1490 | result); |
1491 | ||
fdc53a6d | 1492 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1493 | |
1494 | return result; | |
1495 | } | |
1496 | ||
1497 | dec->dmxdev.filternum = 32; | |
1498 | dec->dmxdev.demux = &dec->demux.dmx; | |
1499 | dec->dmxdev.capabilities = 0; | |
1500 | ||
fdc53a6d | 1501 | if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) { |
1da177e4 | 1502 | printk("%s: dvb_dmxdev_init failed: error %d\n", |
e9815cee | 1503 | __func__, result); |
1da177e4 LT |
1504 | |
1505 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1506 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1507 | |
1508 | return result; | |
1509 | } | |
1510 | ||
1511 | dec->frontend.source = DMX_FRONTEND_0; | |
1512 | ||
1513 | if ((result = dec->demux.dmx.add_frontend(&dec->demux.dmx, | |
1514 | &dec->frontend)) < 0) { | |
e9815cee | 1515 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1516 | result); |
1517 | ||
1518 | dvb_dmxdev_release(&dec->dmxdev); | |
1519 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1520 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1521 | |
1522 | return result; | |
1523 | } | |
1524 | ||
1525 | if ((result = dec->demux.dmx.connect_frontend(&dec->demux.dmx, | |
1526 | &dec->frontend)) < 0) { | |
e9815cee | 1527 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1528 | result); |
1529 | ||
1530 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1531 | dvb_dmxdev_release(&dec->dmxdev); | |
1532 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1533 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1534 | |
1535 | return result; | |
1536 | } | |
1537 | ||
fdc53a6d | 1538 | dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx); |
1da177e4 LT |
1539 | |
1540 | return 0; | |
1541 | } | |
1542 | ||
1543 | static void ttusb_dec_exit_dvb(struct ttusb_dec *dec) | |
1544 | { | |
e9815cee | 1545 | dprintk("%s\n", __func__); |
1da177e4 LT |
1546 | |
1547 | dvb_net_release(&dec->dvb_net); | |
1548 | dec->demux.dmx.close(&dec->demux.dmx); | |
1549 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1550 | dvb_dmxdev_release(&dec->dmxdev); | |
1551 | dvb_dmx_release(&dec->demux); | |
2bfe031d AQ |
1552 | if (dec->fe) { |
1553 | dvb_unregister_frontend(dec->fe); | |
1554 | if (dec->fe->ops.release) | |
1555 | dec->fe->ops.release(dec->fe); | |
1556 | } | |
fdc53a6d | 1557 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1558 | } |
1559 | ||
1560 | static void ttusb_dec_exit_rc(struct ttusb_dec *dec) | |
1561 | { | |
e9815cee | 1562 | dprintk("%s\n", __func__); |
1da177e4 | 1563 | |
b7df3910 DT |
1564 | if (dec->rc_input_dev) { |
1565 | input_unregister_device(dec->rc_input_dev); | |
1566 | dec->rc_input_dev = NULL; | |
1567 | } | |
1da177e4 LT |
1568 | } |
1569 | ||
1570 | ||
1571 | static void ttusb_dec_exit_usb(struct ttusb_dec *dec) | |
1572 | { | |
1573 | int i; | |
1574 | ||
e9815cee | 1575 | dprintk("%s\n", __func__); |
1da177e4 | 1576 | |
cf732b5f AK |
1577 | if (enable_rc) { |
1578 | /* we have to check whether the irq URB is already submitted. | |
1579 | * As the irq is submitted after the interface is changed, | |
1580 | * this is the best method i figured out. | |
1581 | * Any others?*/ | |
1582 | if (dec->interface == TTUSB_DEC_INTERFACE_IN) | |
1583 | usb_kill_urb(dec->irq_urb); | |
1584 | ||
1585 | usb_free_urb(dec->irq_urb); | |
1586 | ||
1587 | usb_free_coherent(dec->udev, IRQ_PACKET_SIZE, | |
1588 | dec->irq_buffer, dec->irq_dma_handle); | |
1589 | } | |
1590 | ||
1da177e4 LT |
1591 | dec->iso_stream_count = 0; |
1592 | ||
1593 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
1594 | usb_kill_urb(dec->iso_urb[i]); | |
1595 | ||
1596 | ttusb_dec_free_iso_urbs(dec); | |
1597 | } | |
1598 | ||
1599 | static void ttusb_dec_exit_tasklet(struct ttusb_dec *dec) | |
1600 | { | |
1601 | struct list_head *item; | |
1602 | struct urb_frame *frame; | |
1603 | ||
1604 | tasklet_kill(&dec->urb_tasklet); | |
1605 | ||
1606 | while ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
1607 | frame = list_entry(item, struct urb_frame, urb_frame_list); | |
1608 | list_del(&frame->urb_frame_list); | |
1609 | kfree(frame); | |
1610 | } | |
1611 | } | |
1612 | ||
1613 | static void ttusb_dec_init_filters(struct ttusb_dec *dec) | |
1614 | { | |
1615 | INIT_LIST_HEAD(&dec->filter_info_list); | |
1616 | spin_lock_init(&dec->filter_info_list_lock); | |
1617 | } | |
1618 | ||
1619 | static void ttusb_dec_exit_filters(struct ttusb_dec *dec) | |
1620 | { | |
1621 | struct list_head *item; | |
1622 | struct filter_info *finfo; | |
1623 | ||
1624 | while ((item = dec->filter_info_list.next) != &dec->filter_info_list) { | |
1625 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
1626 | list_del(&finfo->filter_info_list); | |
1627 | kfree(finfo); | |
1628 | } | |
1629 | } | |
1630 | ||
d91b730d JS |
1631 | static int fe_send_command(struct dvb_frontend* fe, const u8 command, |
1632 | int param_length, const u8 params[], | |
1633 | int *result_length, u8 cmd_result[]) | |
1da177e4 | 1634 | { |
f961e71a | 1635 | struct ttusb_dec* dec = fe->dvb->priv; |
1da177e4 LT |
1636 | return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result); |
1637 | } | |
1638 | ||
9bca6266 | 1639 | static const struct ttusbdecfe_config fe_config = { |
1da177e4 LT |
1640 | .send_command = fe_send_command |
1641 | }; | |
1642 | ||
1643 | static int ttusb_dec_probe(struct usb_interface *intf, | |
1644 | const struct usb_device_id *id) | |
1645 | { | |
1646 | struct usb_device *udev; | |
1647 | struct ttusb_dec *dec; | |
cf732b5f | 1648 | int result; |
1da177e4 | 1649 | |
e9815cee | 1650 | dprintk("%s\n", __func__); |
1da177e4 LT |
1651 | |
1652 | udev = interface_to_usbdev(intf); | |
1653 | ||
7408187d | 1654 | if (!(dec = kzalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) { |
e9815cee | 1655 | printk("%s: couldn't allocate memory.\n", __func__); |
1da177e4 LT |
1656 | return -ENOMEM; |
1657 | } | |
1658 | ||
1659 | usb_set_intfdata(intf, (void *)dec); | |
1660 | ||
d4f979a9 | 1661 | switch (id->idProduct) { |
1da177e4 LT |
1662 | case 0x1006: |
1663 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1664 | break; | |
1665 | ||
1666 | case 0x1008: | |
1667 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1668 | break; | |
1669 | ||
1670 | case 0x1009: | |
1671 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1672 | break; | |
1673 | } | |
1674 | ||
1675 | dec->udev = udev; | |
1676 | ||
cf732b5f AK |
1677 | result = ttusb_dec_init_usb(dec); |
1678 | if (result) | |
1679 | goto err_usb; | |
1680 | result = ttusb_dec_init_stb(dec); | |
1681 | if (result) | |
1682 | goto err_stb; | |
1683 | result = ttusb_dec_init_dvb(dec); | |
1684 | if (result) | |
1685 | goto err_stb; | |
1da177e4 | 1686 | |
fdc53a6d | 1687 | dec->adapter.priv = dec; |
d4f979a9 | 1688 | switch (id->idProduct) { |
1da177e4 LT |
1689 | case 0x1006: |
1690 | dec->fe = ttusbdecfe_dvbs_attach(&fe_config); | |
1691 | break; | |
1692 | ||
1693 | case 0x1008: | |
1694 | case 0x1009: | |
1695 | dec->fe = ttusbdecfe_dvbt_attach(&fe_config); | |
1696 | break; | |
1697 | } | |
1698 | ||
1699 | if (dec->fe == NULL) { | |
29e66a6c | 1700 | printk("dvb-ttusb-dec: A frontend driver was not found for device [%04x:%04x]\n", |
1da177e4 LT |
1701 | le16_to_cpu(dec->udev->descriptor.idVendor), |
1702 | le16_to_cpu(dec->udev->descriptor.idProduct)); | |
1703 | } else { | |
fdc53a6d | 1704 | if (dvb_register_frontend(&dec->adapter, dec->fe)) { |
1da177e4 | 1705 | printk("budget-ci: Frontend registration failed!\n"); |
dea74869 PB |
1706 | if (dec->fe->ops.release) |
1707 | dec->fe->ops.release(dec->fe); | |
1da177e4 LT |
1708 | dec->fe = NULL; |
1709 | } | |
1710 | } | |
1711 | ||
1712 | ttusb_dec_init_v_pes(dec); | |
1713 | ttusb_dec_init_filters(dec); | |
1714 | ttusb_dec_init_tasklet(dec); | |
1715 | ||
1716 | dec->active = 1; | |
1717 | ||
1718 | ttusb_dec_set_interface(dec, TTUSB_DEC_INTERFACE_IN); | |
1719 | ||
b7df3910 | 1720 | if (enable_rc) |
1da177e4 LT |
1721 | ttusb_init_rc(dec); |
1722 | ||
1723 | return 0; | |
cf732b5f AK |
1724 | err_stb: |
1725 | ttusb_dec_exit_usb(dec); | |
1726 | err_usb: | |
1727 | kfree(dec); | |
1728 | return result; | |
1da177e4 LT |
1729 | } |
1730 | ||
1731 | static void ttusb_dec_disconnect(struct usb_interface *intf) | |
1732 | { | |
1733 | struct ttusb_dec *dec = usb_get_intfdata(intf); | |
1734 | ||
1735 | usb_set_intfdata(intf, NULL); | |
1736 | ||
e9815cee | 1737 | dprintk("%s\n", __func__); |
1da177e4 LT |
1738 | |
1739 | if (dec->active) { | |
1740 | ttusb_dec_exit_tasklet(dec); | |
1741 | ttusb_dec_exit_filters(dec); | |
1742 | if(enable_rc) | |
1743 | ttusb_dec_exit_rc(dec); | |
1744 | ttusb_dec_exit_usb(dec); | |
1745 | ttusb_dec_exit_dvb(dec); | |
1746 | } | |
1747 | ||
1748 | kfree(dec); | |
1749 | } | |
1750 | ||
1751 | static void ttusb_dec_set_model(struct ttusb_dec *dec, | |
1752 | enum ttusb_dec_model model) | |
1753 | { | |
1754 | dec->model = model; | |
1755 | ||
1756 | switch (model) { | |
1757 | case TTUSB_DEC2000T: | |
1758 | dec->model_name = "DEC2000-t"; | |
1759 | dec->firmware_name = "dvb-ttusb-dec-2000t.fw"; | |
1760 | break; | |
1761 | ||
1762 | case TTUSB_DEC2540T: | |
1763 | dec->model_name = "DEC2540-t"; | |
1764 | dec->firmware_name = "dvb-ttusb-dec-2540t.fw"; | |
1765 | break; | |
1766 | ||
1767 | case TTUSB_DEC3000S: | |
1768 | dec->model_name = "DEC3000-s"; | |
1769 | dec->firmware_name = "dvb-ttusb-dec-3000s.fw"; | |
1770 | break; | |
1771 | } | |
1772 | } | |
1773 | ||
7fb2e072 | 1774 | static const struct usb_device_id ttusb_dec_table[] = { |
1da177e4 LT |
1775 | {USB_DEVICE(0x0b48, 0x1006)}, /* DEC3000-s */ |
1776 | /*{USB_DEVICE(0x0b48, 0x1007)}, Unconfirmed */ | |
1777 | {USB_DEVICE(0x0b48, 0x1008)}, /* DEC2000-t */ | |
1778 | {USB_DEVICE(0x0b48, 0x1009)}, /* DEC2540-t */ | |
1779 | {} | |
1780 | }; | |
1781 | ||
1782 | static struct usb_driver ttusb_dec_driver = { | |
1783 | .name = "ttusb-dec", | |
1784 | .probe = ttusb_dec_probe, | |
1785 | .disconnect = ttusb_dec_disconnect, | |
1786 | .id_table = ttusb_dec_table, | |
1787 | }; | |
1788 | ||
ecb3b2b3 | 1789 | module_usb_driver(ttusb_dec_driver); |
1da177e4 LT |
1790 | |
1791 | MODULE_AUTHOR("Alex Woods <linux-dvb@giblets.org>"); | |
1792 | MODULE_DESCRIPTION(DRIVER_NAME); | |
1793 | MODULE_LICENSE("GPL"); | |
1794 | MODULE_DEVICE_TABLE(usb, ttusb_dec_table); |