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1da177e4 LT |
1 | /* |
2 | * TTUSB DEC Driver | |
3 | * | |
4 | * Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org> | |
5 | * IR support by Peter Beutner <p.beutner@gmx.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | * | |
21 | */ | |
22 | ||
1da177e4 LT |
23 | #include <linux/list.h> |
24 | #include <linux/module.h> | |
1da177e4 LT |
25 | #include <linux/pci.h> |
26 | #include <linux/slab.h> | |
27 | #include <linux/spinlock.h> | |
28 | #include <linux/usb.h> | |
1da177e4 LT |
29 | #include <linux/interrupt.h> |
30 | #include <linux/firmware.h> | |
31 | #include <linux/crc32.h> | |
32 | #include <linux/init.h> | |
33 | #include <linux/input.h> | |
34 | ||
6827709a TP |
35 | #include <linux/mutex.h> |
36 | ||
1da177e4 LT |
37 | #include "dmxdev.h" |
38 | #include "dvb_demux.h" | |
39 | #include "dvb_filter.h" | |
40 | #include "dvb_frontend.h" | |
41 | #include "dvb_net.h" | |
42 | #include "ttusbdecfe.h" | |
43 | ||
44 | static int debug; | |
45 | static int output_pva; | |
46 | static int enable_rc; | |
47 | ||
48 | module_param(debug, int, 0644); | |
49 | MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); | |
50 | module_param(output_pva, int, 0444); | |
51 | MODULE_PARM_DESC(output_pva, "Output PVA from dvr device (default:off)"); | |
52 | module_param(enable_rc, int, 0644); | |
53 | MODULE_PARM_DESC(enable_rc, "Turn on/off IR remote control(default: off)"); | |
54 | ||
78e92006 JG |
55 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
56 | ||
1da177e4 LT |
57 | #define dprintk if (debug) printk |
58 | ||
59 | #define DRIVER_NAME "TechnoTrend/Hauppauge DEC USB" | |
60 | ||
61 | #define COMMAND_PIPE 0x03 | |
62 | #define RESULT_PIPE 0x04 | |
63 | #define IN_PIPE 0x08 | |
64 | #define OUT_PIPE 0x07 | |
65 | #define IRQ_PIPE 0x0A | |
66 | ||
67 | #define COMMAND_PACKET_SIZE 0x3c | |
68 | #define ARM_PACKET_SIZE 0x1000 | |
69 | #define IRQ_PACKET_SIZE 0x8 | |
70 | ||
71 | #define ISO_BUF_COUNT 0x04 | |
72 | #define FRAMES_PER_ISO_BUF 0x04 | |
73 | #define ISO_FRAME_SIZE 0x0380 | |
74 | ||
75 | #define MAX_PVA_LENGTH 6144 | |
76 | ||
77 | enum ttusb_dec_model { | |
78 | TTUSB_DEC2000T, | |
79 | TTUSB_DEC2540T, | |
80 | TTUSB_DEC3000S | |
81 | }; | |
82 | ||
83 | enum ttusb_dec_packet_type { | |
84 | TTUSB_DEC_PACKET_PVA, | |
85 | TTUSB_DEC_PACKET_SECTION, | |
86 | TTUSB_DEC_PACKET_EMPTY | |
87 | }; | |
88 | ||
89 | enum ttusb_dec_interface { | |
90 | TTUSB_DEC_INTERFACE_INITIAL, | |
91 | TTUSB_DEC_INTERFACE_IN, | |
92 | TTUSB_DEC_INTERFACE_OUT | |
93 | }; | |
94 | ||
95 | struct ttusb_dec { | |
96 | enum ttusb_dec_model model; | |
97 | char *model_name; | |
98 | char *firmware_name; | |
99 | int can_playback; | |
100 | ||
101 | /* DVB bits */ | |
fdc53a6d | 102 | struct dvb_adapter adapter; |
1da177e4 LT |
103 | struct dmxdev dmxdev; |
104 | struct dvb_demux demux; | |
105 | struct dmx_frontend frontend; | |
106 | struct dvb_net dvb_net; | |
107 | struct dvb_frontend* fe; | |
108 | ||
109 | u16 pid[DMX_PES_OTHER]; | |
110 | ||
111 | /* USB bits */ | |
112 | struct usb_device *udev; | |
113 | u8 trans_count; | |
114 | unsigned int command_pipe; | |
115 | unsigned int result_pipe; | |
116 | unsigned int in_pipe; | |
117 | unsigned int out_pipe; | |
118 | unsigned int irq_pipe; | |
119 | enum ttusb_dec_interface interface; | |
3593cab5 | 120 | struct mutex usb_mutex; |
1da177e4 LT |
121 | |
122 | void *irq_buffer; | |
123 | struct urb *irq_urb; | |
124 | dma_addr_t irq_dma_handle; | |
125 | void *iso_buffer; | |
126 | dma_addr_t iso_dma_handle; | |
127 | struct urb *iso_urb[ISO_BUF_COUNT]; | |
128 | int iso_stream_count; | |
3593cab5 | 129 | struct mutex iso_mutex; |
1da177e4 LT |
130 | |
131 | u8 packet[MAX_PVA_LENGTH + 4]; | |
132 | enum ttusb_dec_packet_type packet_type; | |
133 | int packet_state; | |
134 | int packet_length; | |
135 | int packet_payload_length; | |
136 | u16 next_packet_id; | |
137 | ||
138 | int pva_stream_count; | |
139 | int filter_stream_count; | |
140 | ||
141 | struct dvb_filter_pes2ts a_pes2ts; | |
142 | struct dvb_filter_pes2ts v_pes2ts; | |
143 | ||
144 | u8 v_pes[16 + MAX_PVA_LENGTH]; | |
145 | int v_pes_length; | |
146 | int v_pes_postbytes; | |
147 | ||
148 | struct list_head urb_frame_list; | |
149 | struct tasklet_struct urb_tasklet; | |
150 | spinlock_t urb_frame_list_lock; | |
151 | ||
152 | struct dvb_demux_filter *audio_filter; | |
153 | struct dvb_demux_filter *video_filter; | |
154 | struct list_head filter_info_list; | |
155 | spinlock_t filter_info_list_lock; | |
156 | ||
b7df3910 DT |
157 | struct input_dev *rc_input_dev; |
158 | char rc_phys[64]; | |
1da177e4 LT |
159 | |
160 | int active; /* Loaded successfully */ | |
161 | }; | |
162 | ||
163 | struct urb_frame { | |
164 | u8 data[ISO_FRAME_SIZE]; | |
165 | int length; | |
166 | struct list_head urb_frame_list; | |
167 | }; | |
168 | ||
169 | struct filter_info { | |
170 | u8 stream_id; | |
171 | struct dvb_demux_filter *filter; | |
172 | struct list_head filter_info_list; | |
173 | }; | |
174 | ||
175 | static u16 rc_keys[] = { | |
176 | KEY_POWER, | |
177 | KEY_MUTE, | |
178 | KEY_1, | |
179 | KEY_2, | |
180 | KEY_3, | |
181 | KEY_4, | |
182 | KEY_5, | |
183 | KEY_6, | |
184 | KEY_7, | |
185 | KEY_8, | |
186 | KEY_9, | |
187 | KEY_0, | |
188 | KEY_CHANNELUP, | |
189 | KEY_VOLUMEDOWN, | |
190 | KEY_OK, | |
191 | KEY_VOLUMEUP, | |
192 | KEY_CHANNELDOWN, | |
193 | KEY_PREVIOUS, | |
194 | KEY_ESC, | |
195 | KEY_RED, | |
196 | KEY_GREEN, | |
197 | KEY_YELLOW, | |
198 | KEY_BLUE, | |
199 | KEY_OPTION, | |
200 | KEY_M, | |
201 | KEY_RADIO | |
202 | }; | |
203 | ||
204 | static void ttusb_dec_set_model(struct ttusb_dec *dec, | |
205 | enum ttusb_dec_model model); | |
206 | ||
7d12e780 | 207 | static void ttusb_dec_handle_irq( struct urb *urb) |
1da177e4 LT |
208 | { |
209 | struct ttusb_dec * dec = urb->context; | |
210 | char *buffer = dec->irq_buffer; | |
211 | int retval; | |
212 | ||
213 | switch(urb->status) { | |
214 | case 0: /*success*/ | |
215 | break; | |
216 | case -ECONNRESET: | |
217 | case -ENOENT: | |
218 | case -ESHUTDOWN: | |
38e2bfc9 | 219 | case -ETIME: |
1da177e4 LT |
220 | /* this urb is dead, cleanup */ |
221 | dprintk("%s:urb shutting down with status: %d\n", | |
e9815cee | 222 | __func__, urb->status); |
1da177e4 LT |
223 | return; |
224 | default: | |
225 | dprintk("%s:nonzero status received: %d\n", | |
e9815cee | 226 | __func__,urb->status); |
1da177e4 LT |
227 | goto exit; |
228 | } | |
229 | ||
230 | if( (buffer[0] == 0x1) && (buffer[2] == 0x15) ) { | |
231 | /* IR - Event */ | |
232 | /* this is an fact a bit too simple implementation; | |
233 | * the box also reports a keyrepeat signal | |
234 | * (with buffer[3] == 0x40) in an intervall of ~100ms. | |
235 | * But to handle this correctly we had to imlemenent some | |
236 | * kind of timer which signals a 'key up' event if no | |
25985edc | 237 | * keyrepeat signal is received for lets say 200ms. |
1da177e4 LT |
238 | * this should/could be added later ... |
239 | * for now lets report each signal as a key down and up*/ | |
e9815cee | 240 | dprintk("%s:rc signal:%d\n", __func__, buffer[4]); |
b7df3910 | 241 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 1); |
b07b4783 | 242 | input_sync(dec->rc_input_dev); |
b7df3910 DT |
243 | input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 0); |
244 | input_sync(dec->rc_input_dev); | |
1da177e4 LT |
245 | } |
246 | ||
247 | exit: retval = usb_submit_urb(urb, GFP_ATOMIC); | |
248 | if(retval) | |
249 | printk("%s - usb_commit_urb failed with result: %d\n", | |
e9815cee | 250 | __func__, retval); |
1da177e4 LT |
251 | } |
252 | ||
253 | static u16 crc16(u16 crc, const u8 *buf, size_t len) | |
254 | { | |
255 | u16 tmp; | |
256 | ||
257 | while (len--) { | |
258 | crc ^= *buf++; | |
259 | crc ^= (u8)crc >> 4; | |
260 | tmp = (u8)crc; | |
261 | crc ^= (tmp ^ (tmp << 1)) << 4; | |
262 | } | |
263 | return crc; | |
264 | } | |
265 | ||
266 | static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command, | |
267 | int param_length, const u8 params[], | |
268 | int *result_length, u8 cmd_result[]) | |
269 | { | |
270 | int result, actual_len, i; | |
271 | u8 *b; | |
272 | ||
e9815cee | 273 | dprintk("%s\n", __func__); |
1da177e4 LT |
274 | |
275 | b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL); | |
276 | if (!b) | |
277 | return -ENOMEM; | |
278 | ||
3593cab5 | 279 | if ((result = mutex_lock_interruptible(&dec->usb_mutex))) { |
1da177e4 | 280 | kfree(b); |
e9815cee | 281 | printk("%s: Failed to lock usb mutex.\n", __func__); |
1da177e4 LT |
282 | return result; |
283 | } | |
284 | ||
285 | b[0] = 0xaa; | |
286 | b[1] = ++dec->trans_count; | |
287 | b[2] = command; | |
288 | b[3] = param_length; | |
289 | ||
290 | if (params) | |
291 | memcpy(&b[4], params, param_length); | |
292 | ||
293 | if (debug) { | |
e9815cee | 294 | printk("%s: command: ", __func__); |
1da177e4 LT |
295 | for (i = 0; i < param_length + 4; i++) |
296 | printk("0x%02X ", b[i]); | |
297 | printk("\n"); | |
298 | } | |
299 | ||
300 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
301 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
302 | ||
303 | if (result) { | |
304 | printk("%s: command bulk message failed: error %d\n", | |
e9815cee | 305 | __func__, result); |
3593cab5 | 306 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
307 | kfree(b); |
308 | return result; | |
309 | } | |
310 | ||
311 | result = usb_bulk_msg(dec->udev, dec->result_pipe, b, | |
312 | COMMAND_PACKET_SIZE + 4, &actual_len, 1000); | |
313 | ||
314 | if (result) { | |
315 | printk("%s: result bulk message failed: error %d\n", | |
e9815cee | 316 | __func__, result); |
3593cab5 | 317 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
318 | kfree(b); |
319 | return result; | |
320 | } else { | |
321 | if (debug) { | |
e9815cee | 322 | printk("%s: result: ", __func__); |
1da177e4 LT |
323 | for (i = 0; i < actual_len; i++) |
324 | printk("0x%02X ", b[i]); | |
325 | printk("\n"); | |
326 | } | |
327 | ||
328 | if (result_length) | |
329 | *result_length = b[3]; | |
330 | if (cmd_result && b[3] > 0) | |
331 | memcpy(cmd_result, &b[4], b[3]); | |
332 | ||
3593cab5 | 333 | mutex_unlock(&dec->usb_mutex); |
1da177e4 LT |
334 | |
335 | kfree(b); | |
336 | return 0; | |
337 | } | |
338 | } | |
339 | ||
340 | static int ttusb_dec_get_stb_state (struct ttusb_dec *dec, unsigned int *mode, | |
341 | unsigned int *model, unsigned int *version) | |
342 | { | |
343 | u8 c[COMMAND_PACKET_SIZE]; | |
344 | int c_length; | |
345 | int result; | |
d4f979a9 | 346 | __be32 tmp; |
1da177e4 | 347 | |
e9815cee | 348 | dprintk("%s\n", __func__); |
1da177e4 LT |
349 | |
350 | result = ttusb_dec_send_command(dec, 0x08, 0, NULL, &c_length, c); | |
351 | if (result) | |
352 | return result; | |
353 | ||
354 | if (c_length >= 0x0c) { | |
355 | if (mode != NULL) { | |
356 | memcpy(&tmp, c, 4); | |
357 | *mode = ntohl(tmp); | |
358 | } | |
359 | if (model != NULL) { | |
360 | memcpy(&tmp, &c[4], 4); | |
361 | *model = ntohl(tmp); | |
362 | } | |
363 | if (version != NULL) { | |
364 | memcpy(&tmp, &c[8], 4); | |
365 | *version = ntohl(tmp); | |
366 | } | |
367 | return 0; | |
368 | } else { | |
369 | return -1; | |
370 | } | |
371 | } | |
372 | ||
373 | static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data) | |
374 | { | |
f961e71a | 375 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
376 | |
377 | dec->audio_filter->feed->cb.ts(data, 188, NULL, 0, | |
378 | &dec->audio_filter->feed->feed.ts, | |
379 | DMX_OK); | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data) | |
385 | { | |
f961e71a | 386 | struct ttusb_dec *dec = priv; |
1da177e4 LT |
387 | |
388 | dec->video_filter->feed->cb.ts(data, 188, NULL, 0, | |
389 | &dec->video_filter->feed->feed.ts, | |
390 | DMX_OK); | |
391 | ||
392 | return 0; | |
393 | } | |
394 | ||
395 | static void ttusb_dec_set_pids(struct ttusb_dec *dec) | |
396 | { | |
397 | u8 b[] = { 0x00, 0x00, 0x00, 0x00, | |
398 | 0x00, 0x00, 0xff, 0xff, | |
399 | 0xff, 0xff, 0xff, 0xff }; | |
400 | ||
d4f979a9 AV |
401 | __be16 pcr = htons(dec->pid[DMX_PES_PCR]); |
402 | __be16 audio = htons(dec->pid[DMX_PES_AUDIO]); | |
403 | __be16 video = htons(dec->pid[DMX_PES_VIDEO]); | |
1da177e4 | 404 | |
e9815cee | 405 | dprintk("%s\n", __func__); |
1da177e4 LT |
406 | |
407 | memcpy(&b[0], &pcr, 2); | |
408 | memcpy(&b[2], &audio, 2); | |
409 | memcpy(&b[4], &video, 2); | |
410 | ||
411 | ttusb_dec_send_command(dec, 0x50, sizeof(b), b, NULL, NULL); | |
412 | ||
413 | dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO], | |
414 | ttusb_dec_audio_pes2ts_cb, dec); | |
415 | dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO], | |
416 | ttusb_dec_video_pes2ts_cb, dec); | |
417 | dec->v_pes_length = 0; | |
418 | dec->v_pes_postbytes = 0; | |
419 | } | |
420 | ||
421 | static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length) | |
422 | { | |
423 | if (length < 8) { | |
e9815cee | 424 | printk("%s: packet too short - discarding\n", __func__); |
1da177e4 LT |
425 | return; |
426 | } | |
427 | ||
428 | if (length > 8 + MAX_PVA_LENGTH) { | |
e9815cee | 429 | printk("%s: packet too long - discarding\n", __func__); |
1da177e4 LT |
430 | return; |
431 | } | |
432 | ||
433 | switch (pva[2]) { | |
434 | ||
435 | case 0x01: { /* VideoStream */ | |
436 | int prebytes = pva[5] & 0x03; | |
437 | int postbytes = (pva[5] & 0x0c) >> 2; | |
d4f979a9 | 438 | __be16 v_pes_payload_length; |
1da177e4 LT |
439 | |
440 | if (output_pva) { | |
441 | dec->video_filter->feed->cb.ts(pva, length, NULL, 0, | |
442 | &dec->video_filter->feed->feed.ts, DMX_OK); | |
443 | return; | |
444 | } | |
445 | ||
446 | if (dec->v_pes_postbytes > 0 && | |
447 | dec->v_pes_postbytes == prebytes) { | |
448 | memcpy(&dec->v_pes[dec->v_pes_length], | |
449 | &pva[12], prebytes); | |
450 | ||
451 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
452 | dec->v_pes_length + prebytes, 1); | |
453 | } | |
454 | ||
455 | if (pva[5] & 0x10) { | |
456 | dec->v_pes[7] = 0x80; | |
457 | dec->v_pes[8] = 0x05; | |
458 | ||
459 | dec->v_pes[9] = 0x21 | ((pva[8] & 0xc0) >> 5); | |
460 | dec->v_pes[10] = ((pva[8] & 0x3f) << 2) | | |
461 | ((pva[9] & 0xc0) >> 6); | |
462 | dec->v_pes[11] = 0x01 | | |
463 | ((pva[9] & 0x3f) << 2) | | |
464 | ((pva[10] & 0x80) >> 6); | |
465 | dec->v_pes[12] = ((pva[10] & 0x7f) << 1) | | |
466 | ((pva[11] & 0xc0) >> 7); | |
467 | dec->v_pes[13] = 0x01 | ((pva[11] & 0x7f) << 1); | |
468 | ||
469 | memcpy(&dec->v_pes[14], &pva[12 + prebytes], | |
470 | length - 12 - prebytes); | |
471 | dec->v_pes_length = 14 + length - 12 - prebytes; | |
472 | } else { | |
473 | dec->v_pes[7] = 0x00; | |
474 | dec->v_pes[8] = 0x00; | |
475 | ||
476 | memcpy(&dec->v_pes[9], &pva[8], length - 8); | |
477 | dec->v_pes_length = 9 + length - 8; | |
478 | } | |
479 | ||
480 | dec->v_pes_postbytes = postbytes; | |
481 | ||
482 | if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 && | |
483 | dec->v_pes[10 + dec->v_pes[8]] == 0x00 && | |
484 | dec->v_pes[11 + dec->v_pes[8]] == 0x01) | |
485 | dec->v_pes[6] = 0x84; | |
486 | else | |
487 | dec->v_pes[6] = 0x80; | |
488 | ||
489 | v_pes_payload_length = htons(dec->v_pes_length - 6 + | |
490 | postbytes); | |
491 | memcpy(&dec->v_pes[4], &v_pes_payload_length, 2); | |
492 | ||
493 | if (postbytes == 0) | |
494 | dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes, | |
495 | dec->v_pes_length, 1); | |
496 | ||
497 | break; | |
498 | } | |
499 | ||
500 | case 0x02: /* MainAudioStream */ | |
501 | if (output_pva) { | |
502 | dec->audio_filter->feed->cb.ts(pva, length, NULL, 0, | |
503 | &dec->audio_filter->feed->feed.ts, DMX_OK); | |
504 | return; | |
505 | } | |
506 | ||
507 | dvb_filter_pes2ts(&dec->a_pes2ts, &pva[8], length - 8, | |
508 | pva[5] & 0x10); | |
509 | break; | |
510 | ||
511 | default: | |
e9815cee | 512 | printk("%s: unknown PVA type: %02x.\n", __func__, |
1da177e4 LT |
513 | pva[2]); |
514 | break; | |
515 | } | |
516 | } | |
517 | ||
518 | static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet, | |
519 | int length) | |
520 | { | |
521 | struct list_head *item; | |
522 | struct filter_info *finfo; | |
523 | struct dvb_demux_filter *filter = NULL; | |
524 | unsigned long flags; | |
525 | u8 sid; | |
526 | ||
527 | sid = packet[1]; | |
528 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
529 | for (item = dec->filter_info_list.next; item != &dec->filter_info_list; | |
530 | item = item->next) { | |
531 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
532 | if (finfo->stream_id == sid) { | |
533 | filter = finfo->filter; | |
534 | break; | |
535 | } | |
536 | } | |
537 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
538 | ||
539 | if (filter) | |
540 | filter->feed->cb.sec(&packet[2], length - 2, NULL, 0, | |
541 | &filter->filter, DMX_OK); | |
542 | } | |
543 | ||
544 | static void ttusb_dec_process_packet(struct ttusb_dec *dec) | |
545 | { | |
546 | int i; | |
547 | u16 csum = 0; | |
548 | u16 packet_id; | |
549 | ||
550 | if (dec->packet_length % 2) { | |
e9815cee | 551 | printk("%s: odd sized packet - discarding\n", __func__); |
1da177e4 LT |
552 | return; |
553 | } | |
554 | ||
555 | for (i = 0; i < dec->packet_length; i += 2) | |
556 | csum ^= ((dec->packet[i] << 8) + dec->packet[i + 1]); | |
557 | ||
558 | if (csum) { | |
e9815cee | 559 | printk("%s: checksum failed - discarding\n", __func__); |
1da177e4 LT |
560 | return; |
561 | } | |
562 | ||
563 | packet_id = dec->packet[dec->packet_length - 4] << 8; | |
564 | packet_id += dec->packet[dec->packet_length - 3]; | |
565 | ||
566 | if ((packet_id != dec->next_packet_id) && dec->next_packet_id) { | |
567 | printk("%s: warning: lost packets between %u and %u\n", | |
e9815cee | 568 | __func__, dec->next_packet_id - 1, packet_id); |
1da177e4 LT |
569 | } |
570 | ||
571 | if (packet_id == 0xffff) | |
572 | dec->next_packet_id = 0x8000; | |
573 | else | |
574 | dec->next_packet_id = packet_id + 1; | |
575 | ||
576 | switch (dec->packet_type) { | |
577 | case TTUSB_DEC_PACKET_PVA: | |
578 | if (dec->pva_stream_count) | |
579 | ttusb_dec_process_pva(dec, dec->packet, | |
580 | dec->packet_payload_length); | |
581 | break; | |
582 | ||
583 | case TTUSB_DEC_PACKET_SECTION: | |
584 | if (dec->filter_stream_count) | |
585 | ttusb_dec_process_filter(dec, dec->packet, | |
586 | dec->packet_payload_length); | |
587 | break; | |
588 | ||
589 | case TTUSB_DEC_PACKET_EMPTY: | |
590 | break; | |
591 | } | |
592 | } | |
593 | ||
594 | static void swap_bytes(u8 *b, int length) | |
595 | { | |
596 | u8 c; | |
597 | ||
598 | length -= length % 2; | |
599 | for (; length; b += 2, length -= 2) { | |
600 | c = *b; | |
601 | *b = *(b + 1); | |
602 | *(b + 1) = c; | |
603 | } | |
604 | } | |
605 | ||
606 | static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b, | |
607 | int length) | |
608 | { | |
609 | swap_bytes(b, length); | |
610 | ||
611 | while (length) { | |
612 | switch (dec->packet_state) { | |
613 | ||
614 | case 0: | |
615 | case 1: | |
616 | case 2: | |
617 | if (*b++ == 0xaa) | |
618 | dec->packet_state++; | |
619 | else | |
620 | dec->packet_state = 0; | |
621 | ||
622 | length--; | |
623 | break; | |
624 | ||
625 | case 3: | |
626 | if (*b == 0x00) { | |
627 | dec->packet_state++; | |
628 | dec->packet_length = 0; | |
629 | } else if (*b != 0xaa) { | |
630 | dec->packet_state = 0; | |
631 | } | |
632 | ||
633 | b++; | |
634 | length--; | |
635 | break; | |
636 | ||
637 | case 4: | |
638 | dec->packet[dec->packet_length++] = *b++; | |
639 | ||
640 | if (dec->packet_length == 2) { | |
641 | if (dec->packet[0] == 'A' && | |
642 | dec->packet[1] == 'V') { | |
643 | dec->packet_type = | |
644 | TTUSB_DEC_PACKET_PVA; | |
645 | dec->packet_state++; | |
646 | } else if (dec->packet[0] == 'S') { | |
647 | dec->packet_type = | |
648 | TTUSB_DEC_PACKET_SECTION; | |
649 | dec->packet_state++; | |
650 | } else if (dec->packet[0] == 0x00) { | |
651 | dec->packet_type = | |
652 | TTUSB_DEC_PACKET_EMPTY; | |
653 | dec->packet_payload_length = 2; | |
654 | dec->packet_state = 7; | |
655 | } else { | |
656 | printk("%s: unknown packet type: " | |
e9815cee | 657 | "%02x%02x\n", __func__, |
1da177e4 LT |
658 | dec->packet[0], dec->packet[1]); |
659 | dec->packet_state = 0; | |
660 | } | |
661 | } | |
662 | ||
663 | length--; | |
664 | break; | |
665 | ||
666 | case 5: | |
667 | dec->packet[dec->packet_length++] = *b++; | |
668 | ||
669 | if (dec->packet_type == TTUSB_DEC_PACKET_PVA && | |
670 | dec->packet_length == 8) { | |
671 | dec->packet_state++; | |
672 | dec->packet_payload_length = 8 + | |
673 | (dec->packet[6] << 8) + | |
674 | dec->packet[7]; | |
675 | } else if (dec->packet_type == | |
676 | TTUSB_DEC_PACKET_SECTION && | |
677 | dec->packet_length == 5) { | |
678 | dec->packet_state++; | |
679 | dec->packet_payload_length = 5 + | |
680 | ((dec->packet[3] & 0x0f) << 8) + | |
681 | dec->packet[4]; | |
682 | } | |
683 | ||
684 | length--; | |
685 | break; | |
686 | ||
687 | case 6: { | |
688 | int remainder = dec->packet_payload_length - | |
689 | dec->packet_length; | |
690 | ||
691 | if (length >= remainder) { | |
692 | memcpy(dec->packet + dec->packet_length, | |
693 | b, remainder); | |
694 | dec->packet_length += remainder; | |
695 | b += remainder; | |
696 | length -= remainder; | |
697 | dec->packet_state++; | |
698 | } else { | |
699 | memcpy(&dec->packet[dec->packet_length], | |
700 | b, length); | |
701 | dec->packet_length += length; | |
702 | length = 0; | |
703 | } | |
704 | ||
705 | break; | |
706 | } | |
707 | ||
708 | case 7: { | |
709 | int tail = 4; | |
710 | ||
711 | dec->packet[dec->packet_length++] = *b++; | |
712 | ||
713 | if (dec->packet_type == TTUSB_DEC_PACKET_SECTION && | |
714 | dec->packet_payload_length % 2) | |
715 | tail++; | |
716 | ||
717 | if (dec->packet_length == | |
718 | dec->packet_payload_length + tail) { | |
719 | ttusb_dec_process_packet(dec); | |
720 | dec->packet_state = 0; | |
721 | } | |
722 | ||
723 | length--; | |
724 | break; | |
725 | } | |
726 | ||
727 | default: | |
728 | printk("%s: illegal packet state encountered.\n", | |
e9815cee | 729 | __func__); |
1da177e4 LT |
730 | dec->packet_state = 0; |
731 | } | |
732 | } | |
733 | } | |
734 | ||
735 | static void ttusb_dec_process_urb_frame_list(unsigned long data) | |
736 | { | |
737 | struct ttusb_dec *dec = (struct ttusb_dec *)data; | |
738 | struct list_head *item; | |
739 | struct urb_frame *frame; | |
740 | unsigned long flags; | |
741 | ||
742 | while (1) { | |
743 | spin_lock_irqsave(&dec->urb_frame_list_lock, flags); | |
744 | if ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
745 | frame = list_entry(item, struct urb_frame, | |
746 | urb_frame_list); | |
747 | list_del(&frame->urb_frame_list); | |
748 | } else { | |
749 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
750 | flags); | |
751 | return; | |
752 | } | |
753 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, flags); | |
754 | ||
755 | ttusb_dec_process_urb_frame(dec, frame->data, frame->length); | |
756 | kfree(frame); | |
757 | } | |
758 | } | |
759 | ||
7d12e780 | 760 | static void ttusb_dec_process_urb(struct urb *urb) |
1da177e4 LT |
761 | { |
762 | struct ttusb_dec *dec = urb->context; | |
763 | ||
764 | if (!urb->status) { | |
765 | int i; | |
766 | ||
767 | for (i = 0; i < FRAMES_PER_ISO_BUF; i++) { | |
768 | struct usb_iso_packet_descriptor *d; | |
769 | u8 *b; | |
770 | int length; | |
771 | struct urb_frame *frame; | |
772 | ||
773 | d = &urb->iso_frame_desc[i]; | |
774 | b = urb->transfer_buffer + d->offset; | |
775 | length = d->actual_length; | |
776 | ||
777 | if ((frame = kmalloc(sizeof(struct urb_frame), | |
778 | GFP_ATOMIC))) { | |
779 | unsigned long flags; | |
780 | ||
781 | memcpy(frame->data, b, length); | |
782 | frame->length = length; | |
783 | ||
784 | spin_lock_irqsave(&dec->urb_frame_list_lock, | |
785 | flags); | |
786 | list_add_tail(&frame->urb_frame_list, | |
787 | &dec->urb_frame_list); | |
788 | spin_unlock_irqrestore(&dec->urb_frame_list_lock, | |
789 | flags); | |
790 | ||
791 | tasklet_schedule(&dec->urb_tasklet); | |
792 | } | |
793 | } | |
794 | } else { | |
795 | /* -ENOENT is expected when unlinking urbs */ | |
796 | if (urb->status != -ENOENT) | |
e9815cee | 797 | dprintk("%s: urb error: %d\n", __func__, |
1da177e4 LT |
798 | urb->status); |
799 | } | |
800 | ||
801 | if (dec->iso_stream_count) | |
802 | usb_submit_urb(urb, GFP_ATOMIC); | |
803 | } | |
804 | ||
805 | static void ttusb_dec_setup_urbs(struct ttusb_dec *dec) | |
806 | { | |
807 | int i, j, buffer_offset = 0; | |
808 | ||
e9815cee | 809 | dprintk("%s\n", __func__); |
1da177e4 LT |
810 | |
811 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
812 | int frame_offset = 0; | |
813 | struct urb *urb = dec->iso_urb[i]; | |
814 | ||
815 | urb->dev = dec->udev; | |
816 | urb->context = dec; | |
817 | urb->complete = ttusb_dec_process_urb; | |
818 | urb->pipe = dec->in_pipe; | |
819 | urb->transfer_flags = URB_ISO_ASAP; | |
820 | urb->interval = 1; | |
821 | urb->number_of_packets = FRAMES_PER_ISO_BUF; | |
822 | urb->transfer_buffer_length = ISO_FRAME_SIZE * | |
823 | FRAMES_PER_ISO_BUF; | |
824 | urb->transfer_buffer = dec->iso_buffer + buffer_offset; | |
825 | buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF; | |
826 | ||
827 | for (j = 0; j < FRAMES_PER_ISO_BUF; j++) { | |
828 | urb->iso_frame_desc[j].offset = frame_offset; | |
829 | urb->iso_frame_desc[j].length = ISO_FRAME_SIZE; | |
830 | frame_offset += ISO_FRAME_SIZE; | |
831 | } | |
832 | } | |
833 | } | |
834 | ||
835 | static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec) | |
836 | { | |
837 | int i; | |
838 | ||
e9815cee | 839 | dprintk("%s\n", __func__); |
1da177e4 | 840 | |
3593cab5 | 841 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
842 | return; |
843 | ||
844 | dec->iso_stream_count--; | |
845 | ||
846 | if (!dec->iso_stream_count) { | |
847 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
848 | usb_kill_urb(dec->iso_urb[i]); | |
849 | } | |
850 | ||
3593cab5 | 851 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
852 | } |
853 | ||
854 | /* Setting the interface of the DEC tends to take down the USB communications | |
855 | * for a short period, so it's important not to call this function just before | |
856 | * trying to talk to it. | |
857 | */ | |
858 | static int ttusb_dec_set_interface(struct ttusb_dec *dec, | |
859 | enum ttusb_dec_interface interface) | |
860 | { | |
861 | int result = 0; | |
862 | u8 b[] = { 0x05 }; | |
863 | ||
864 | if (interface != dec->interface) { | |
865 | switch (interface) { | |
866 | case TTUSB_DEC_INTERFACE_INITIAL: | |
867 | result = usb_set_interface(dec->udev, 0, 0); | |
868 | break; | |
869 | case TTUSB_DEC_INTERFACE_IN: | |
870 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b), | |
871 | b, NULL, NULL); | |
872 | if (result) | |
873 | return result; | |
874 | result = usb_set_interface(dec->udev, 0, 8); | |
875 | break; | |
876 | case TTUSB_DEC_INTERFACE_OUT: | |
877 | result = usb_set_interface(dec->udev, 0, 1); | |
878 | break; | |
879 | } | |
880 | ||
881 | if (result) | |
882 | return result; | |
883 | ||
884 | dec->interface = interface; | |
885 | } | |
886 | ||
887 | return 0; | |
888 | } | |
889 | ||
890 | static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec) | |
891 | { | |
892 | int i, result; | |
893 | ||
e9815cee | 894 | dprintk("%s\n", __func__); |
1da177e4 | 895 | |
3593cab5 | 896 | if (mutex_lock_interruptible(&dec->iso_mutex)) |
1da177e4 LT |
897 | return -EAGAIN; |
898 | ||
899 | if (!dec->iso_stream_count) { | |
900 | ttusb_dec_setup_urbs(dec); | |
901 | ||
902 | dec->packet_state = 0; | |
903 | dec->v_pes_postbytes = 0; | |
904 | dec->next_packet_id = 0; | |
905 | ||
906 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
907 | if ((result = usb_submit_urb(dec->iso_urb[i], | |
908 | GFP_ATOMIC))) { | |
909 | printk("%s: failed urb submission %d: " | |
e9815cee | 910 | "error %d\n", __func__, i, result); |
1da177e4 LT |
911 | |
912 | while (i) { | |
913 | usb_kill_urb(dec->iso_urb[i - 1]); | |
914 | i--; | |
915 | } | |
916 | ||
3593cab5 | 917 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
918 | return result; |
919 | } | |
920 | } | |
921 | } | |
922 | ||
923 | dec->iso_stream_count++; | |
924 | ||
3593cab5 | 925 | mutex_unlock(&dec->iso_mutex); |
1da177e4 LT |
926 | |
927 | return 0; | |
928 | } | |
929 | ||
930 | static int ttusb_dec_start_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
931 | { | |
932 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
933 | struct ttusb_dec *dec = dvbdmx->priv; | |
934 | u8 b0[] = { 0x05 }; | |
935 | int result = 0; | |
936 | ||
e9815cee | 937 | dprintk("%s\n", __func__); |
1da177e4 LT |
938 | |
939 | dprintk(" ts_type:"); | |
940 | ||
941 | if (dvbdmxfeed->ts_type & TS_DECODER) | |
942 | dprintk(" TS_DECODER"); | |
943 | ||
944 | if (dvbdmxfeed->ts_type & TS_PACKET) | |
945 | dprintk(" TS_PACKET"); | |
946 | ||
947 | if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY) | |
948 | dprintk(" TS_PAYLOAD_ONLY"); | |
949 | ||
950 | dprintk("\n"); | |
951 | ||
952 | switch (dvbdmxfeed->pes_type) { | |
953 | ||
954 | case DMX_TS_PES_VIDEO: | |
955 | dprintk(" pes_type: DMX_TS_PES_VIDEO\n"); | |
956 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; | |
957 | dec->pid[DMX_PES_VIDEO] = dvbdmxfeed->pid; | |
958 | dec->video_filter = dvbdmxfeed->filter; | |
959 | ttusb_dec_set_pids(dec); | |
960 | break; | |
961 | ||
962 | case DMX_TS_PES_AUDIO: | |
963 | dprintk(" pes_type: DMX_TS_PES_AUDIO\n"); | |
964 | dec->pid[DMX_PES_AUDIO] = dvbdmxfeed->pid; | |
965 | dec->audio_filter = dvbdmxfeed->filter; | |
966 | ttusb_dec_set_pids(dec); | |
967 | break; | |
968 | ||
969 | case DMX_TS_PES_TELETEXT: | |
970 | dec->pid[DMX_PES_TELETEXT] = dvbdmxfeed->pid; | |
f961e71a AW |
971 | dprintk(" pes_type: DMX_TS_PES_TELETEXT(not supported)\n"); |
972 | return -ENOSYS; | |
1da177e4 LT |
973 | |
974 | case DMX_TS_PES_PCR: | |
975 | dprintk(" pes_type: DMX_TS_PES_PCR\n"); | |
976 | dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid; | |
977 | ttusb_dec_set_pids(dec); | |
978 | break; | |
979 | ||
980 | case DMX_TS_PES_OTHER: | |
f961e71a AW |
981 | dprintk(" pes_type: DMX_TS_PES_OTHER(not supported)\n"); |
982 | return -ENOSYS; | |
1da177e4 LT |
983 | |
984 | default: | |
985 | dprintk(" pes_type: unknown (%d)\n", dvbdmxfeed->pes_type); | |
986 | return -EINVAL; | |
987 | ||
988 | } | |
989 | ||
990 | result = ttusb_dec_send_command(dec, 0x80, sizeof(b0), b0, NULL, NULL); | |
991 | if (result) | |
992 | return result; | |
993 | ||
994 | dec->pva_stream_count++; | |
995 | return ttusb_dec_start_iso_xfer(dec); | |
996 | } | |
997 | ||
998 | static int ttusb_dec_start_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
999 | { | |
1000 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1001 | u8 b0[] = { 0x00, 0x00, 0x00, 0x01, | |
1002 | 0x00, 0x00, 0x00, 0x00, | |
1003 | 0x00, 0x00, 0x00, 0x00, | |
1004 | 0x00, 0x00, 0x00, 0x00, | |
1005 | 0x00, 0xff, 0x00, 0x00, | |
1006 | 0x00, 0x00, 0x00, 0x00, | |
1007 | 0x00, 0x00, 0x00, 0x00, | |
1008 | 0x00 }; | |
d4f979a9 | 1009 | __be16 pid; |
1da177e4 LT |
1010 | u8 c[COMMAND_PACKET_SIZE]; |
1011 | int c_length; | |
1012 | int result; | |
1013 | struct filter_info *finfo; | |
1014 | unsigned long flags; | |
1015 | u8 x = 1; | |
1016 | ||
e9815cee | 1017 | dprintk("%s\n", __func__); |
1da177e4 LT |
1018 | |
1019 | pid = htons(dvbdmxfeed->pid); | |
1020 | memcpy(&b0[0], &pid, 2); | |
1021 | memcpy(&b0[4], &x, 1); | |
1022 | memcpy(&b0[5], &dvbdmxfeed->filter->filter.filter_value[0], 1); | |
1023 | ||
1024 | result = ttusb_dec_send_command(dec, 0x60, sizeof(b0), b0, | |
1025 | &c_length, c); | |
1026 | ||
1027 | if (!result) { | |
1028 | if (c_length == 2) { | |
1029 | if (!(finfo = kmalloc(sizeof(struct filter_info), | |
1030 | GFP_ATOMIC))) | |
1031 | return -ENOMEM; | |
1032 | ||
1033 | finfo->stream_id = c[1]; | |
1034 | finfo->filter = dvbdmxfeed->filter; | |
1035 | ||
1036 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1037 | list_add_tail(&finfo->filter_info_list, | |
1038 | &dec->filter_info_list); | |
1039 | spin_unlock_irqrestore(&dec->filter_info_list_lock, | |
1040 | flags); | |
1041 | ||
1042 | dvbdmxfeed->priv = finfo; | |
1043 | ||
1044 | dec->filter_stream_count++; | |
1045 | return ttusb_dec_start_iso_xfer(dec); | |
1046 | } | |
1047 | ||
1048 | return -EAGAIN; | |
1049 | } else | |
1050 | return result; | |
1051 | } | |
1052 | ||
1053 | static int ttusb_dec_start_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1054 | { | |
1055 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | |
1056 | ||
e9815cee | 1057 | dprintk("%s\n", __func__); |
1da177e4 LT |
1058 | |
1059 | if (!dvbdmx->dmx.frontend) | |
1060 | return -EINVAL; | |
1061 | ||
1062 | dprintk(" pid: 0x%04X\n", dvbdmxfeed->pid); | |
1063 | ||
1064 | switch (dvbdmxfeed->type) { | |
1065 | ||
1066 | case DMX_TYPE_TS: | |
1067 | return ttusb_dec_start_ts_feed(dvbdmxfeed); | |
1068 | break; | |
1069 | ||
1070 | case DMX_TYPE_SEC: | |
1071 | return ttusb_dec_start_sec_feed(dvbdmxfeed); | |
1072 | break; | |
1073 | ||
1074 | default: | |
1075 | dprintk(" type: unknown (%d)\n", dvbdmxfeed->type); | |
1076 | return -EINVAL; | |
1077 | ||
1078 | } | |
1079 | } | |
1080 | ||
1081 | static int ttusb_dec_stop_ts_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1082 | { | |
1083 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1084 | u8 b0[] = { 0x00 }; | |
1085 | ||
1086 | ttusb_dec_send_command(dec, 0x81, sizeof(b0), b0, NULL, NULL); | |
1087 | ||
1088 | dec->pva_stream_count--; | |
1089 | ||
1090 | ttusb_dec_stop_iso_xfer(dec); | |
1091 | ||
1092 | return 0; | |
1093 | } | |
1094 | ||
1095 | static int ttusb_dec_stop_sec_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1096 | { | |
1097 | struct ttusb_dec *dec = dvbdmxfeed->demux->priv; | |
1098 | u8 b0[] = { 0x00, 0x00 }; | |
1099 | struct filter_info *finfo = (struct filter_info *)dvbdmxfeed->priv; | |
1100 | unsigned long flags; | |
1101 | ||
1102 | b0[1] = finfo->stream_id; | |
1103 | spin_lock_irqsave(&dec->filter_info_list_lock, flags); | |
1104 | list_del(&finfo->filter_info_list); | |
1105 | spin_unlock_irqrestore(&dec->filter_info_list_lock, flags); | |
1106 | kfree(finfo); | |
1107 | ttusb_dec_send_command(dec, 0x62, sizeof(b0), b0, NULL, NULL); | |
1108 | ||
1109 | dec->filter_stream_count--; | |
1110 | ||
1111 | ttusb_dec_stop_iso_xfer(dec); | |
1112 | ||
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | static int ttusb_dec_stop_feed(struct dvb_demux_feed *dvbdmxfeed) | |
1117 | { | |
e9815cee | 1118 | dprintk("%s\n", __func__); |
1da177e4 LT |
1119 | |
1120 | switch (dvbdmxfeed->type) { | |
1121 | case DMX_TYPE_TS: | |
1122 | return ttusb_dec_stop_ts_feed(dvbdmxfeed); | |
1123 | break; | |
1124 | ||
1125 | case DMX_TYPE_SEC: | |
1126 | return ttusb_dec_stop_sec_feed(dvbdmxfeed); | |
1127 | break; | |
1128 | } | |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | ||
1133 | static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec) | |
1134 | { | |
1135 | int i; | |
1136 | ||
e9815cee | 1137 | dprintk("%s\n", __func__); |
1da177e4 LT |
1138 | |
1139 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
5d02d027 | 1140 | usb_free_urb(dec->iso_urb[i]); |
1da177e4 LT |
1141 | |
1142 | pci_free_consistent(NULL, | |
1143 | ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * | |
1144 | ISO_BUF_COUNT), | |
1145 | dec->iso_buffer, dec->iso_dma_handle); | |
1146 | } | |
1147 | ||
1148 | static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) | |
1149 | { | |
1150 | int i; | |
1151 | ||
e9815cee | 1152 | dprintk("%s\n", __func__); |
1da177e4 LT |
1153 | |
1154 | dec->iso_buffer = pci_alloc_consistent(NULL, | |
1155 | ISO_FRAME_SIZE * | |
1156 | (FRAMES_PER_ISO_BUF * | |
1157 | ISO_BUF_COUNT), | |
1158 | &dec->iso_dma_handle); | |
1159 | ||
d7c31a1e DSL |
1160 | if (!dec->iso_buffer) { |
1161 | dprintk("%s: pci_alloc_consistent - not enough memory\n", | |
1162 | __func__); | |
1163 | return -ENOMEM; | |
1164 | } | |
1165 | ||
1da177e4 LT |
1166 | memset(dec->iso_buffer, 0, |
1167 | ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT)); | |
1168 | ||
1169 | for (i = 0; i < ISO_BUF_COUNT; i++) { | |
1170 | struct urb *urb; | |
1171 | ||
1172 | if (!(urb = usb_alloc_urb(FRAMES_PER_ISO_BUF, GFP_ATOMIC))) { | |
1173 | ttusb_dec_free_iso_urbs(dec); | |
1174 | return -ENOMEM; | |
1175 | } | |
1176 | ||
1177 | dec->iso_urb[i] = urb; | |
1178 | } | |
1179 | ||
1180 | ttusb_dec_setup_urbs(dec); | |
1181 | ||
1182 | return 0; | |
1183 | } | |
1184 | ||
1185 | static void ttusb_dec_init_tasklet(struct ttusb_dec *dec) | |
1186 | { | |
1187 | spin_lock_init(&dec->urb_frame_list_lock); | |
1188 | INIT_LIST_HEAD(&dec->urb_frame_list); | |
1189 | tasklet_init(&dec->urb_tasklet, ttusb_dec_process_urb_frame_list, | |
1190 | (unsigned long)dec); | |
1191 | } | |
1192 | ||
50c25fff | 1193 | static int ttusb_init_rc( struct ttusb_dec *dec) |
1da177e4 | 1194 | { |
b7df3910 | 1195 | struct input_dev *input_dev; |
1da177e4 LT |
1196 | u8 b[] = { 0x00, 0x01 }; |
1197 | int i; | |
b07b4783 | 1198 | int err; |
1da177e4 | 1199 | |
b7df3910 | 1200 | usb_make_path(dec->udev, dec->rc_phys, sizeof(dec->rc_phys)); |
b1858190 | 1201 | strlcat(dec->rc_phys, "/input0", sizeof(dec->rc_phys)); |
1da177e4 | 1202 | |
b07b4783 | 1203 | input_dev = input_allocate_device(); |
b7df3910 DT |
1204 | if (!input_dev) |
1205 | return -ENOMEM; | |
1206 | ||
1207 | input_dev->name = "ttusb_dec remote control"; | |
1208 | input_dev->phys = dec->rc_phys; | |
7b19ada2 | 1209 | input_dev->evbit[0] = BIT_MASK(EV_KEY); |
b7df3910 DT |
1210 | input_dev->keycodesize = sizeof(u16); |
1211 | input_dev->keycodemax = 0x1a; | |
1212 | input_dev->keycode = rc_keys; | |
1da177e4 | 1213 | |
b7df3910 | 1214 | for (i = 0; i < ARRAY_SIZE(rc_keys); i++) |
50c25fff | 1215 | set_bit(rc_keys[i], input_dev->keybit); |
1da177e4 | 1216 | |
b07b4783 DT |
1217 | err = input_register_device(input_dev); |
1218 | if (err) { | |
1219 | input_free_device(input_dev); | |
1220 | return err; | |
1221 | } | |
1da177e4 | 1222 | |
b07b4783 | 1223 | dec->rc_input_dev = input_dev; |
b7df3910 | 1224 | if (usb_submit_urb(dec->irq_urb, GFP_KERNEL)) |
e9815cee | 1225 | printk("%s: usb_submit_urb failed\n",__func__); |
1da177e4 LT |
1226 | /* enable irq pipe */ |
1227 | ttusb_dec_send_command(dec,0xb0,sizeof(b),b,NULL,NULL); | |
b7df3910 DT |
1228 | |
1229 | return 0; | |
1da177e4 LT |
1230 | } |
1231 | ||
1232 | static void ttusb_dec_init_v_pes(struct ttusb_dec *dec) | |
1233 | { | |
e9815cee | 1234 | dprintk("%s\n", __func__); |
1da177e4 LT |
1235 | |
1236 | dec->v_pes[0] = 0x00; | |
1237 | dec->v_pes[1] = 0x00; | |
1238 | dec->v_pes[2] = 0x01; | |
1239 | dec->v_pes[3] = 0xe0; | |
1240 | } | |
1241 | ||
1242 | static int ttusb_dec_init_usb(struct ttusb_dec *dec) | |
1243 | { | |
e9815cee | 1244 | dprintk("%s\n", __func__); |
1da177e4 | 1245 | |
3593cab5 IM |
1246 | mutex_init(&dec->usb_mutex); |
1247 | mutex_init(&dec->iso_mutex); | |
1da177e4 LT |
1248 | |
1249 | dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE); | |
1250 | dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE); | |
1251 | dec->in_pipe = usb_rcvisocpipe(dec->udev, IN_PIPE); | |
1252 | dec->out_pipe = usb_sndisocpipe(dec->udev, OUT_PIPE); | |
1253 | dec->irq_pipe = usb_rcvintpipe(dec->udev, IRQ_PIPE); | |
1254 | ||
1255 | if(enable_rc) { | |
1256 | dec->irq_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1257 | if(!dec->irq_urb) { | |
1258 | return -ENOMEM; | |
1259 | } | |
997ea58e | 1260 | dec->irq_buffer = usb_alloc_coherent(dec->udev,IRQ_PACKET_SIZE, |
54e6ecb2 | 1261 | GFP_ATOMIC, &dec->irq_dma_handle); |
1da177e4 | 1262 | if(!dec->irq_buffer) { |
7935eeae | 1263 | usb_free_urb(dec->irq_urb); |
1da177e4 LT |
1264 | return -ENOMEM; |
1265 | } | |
1266 | usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe, | |
1267 | dec->irq_buffer, IRQ_PACKET_SIZE, | |
1268 | ttusb_dec_handle_irq, dec, 1); | |
1269 | dec->irq_urb->transfer_dma = dec->irq_dma_handle; | |
1270 | dec->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1271 | } | |
1272 | ||
1273 | return ttusb_dec_alloc_iso_urbs(dec); | |
1274 | } | |
1275 | ||
1276 | static int ttusb_dec_boot_dsp(struct ttusb_dec *dec) | |
1277 | { | |
1278 | int i, j, actual_len, result, size, trans_count; | |
1279 | u8 b0[] = { 0x00, 0x00, 0x00, 0x00, | |
1280 | 0x00, 0x00, 0x00, 0x00, | |
1281 | 0x61, 0x00 }; | |
1282 | u8 b1[] = { 0x61 }; | |
1283 | u8 *b; | |
1284 | char idstring[21]; | |
99b6e4f5 | 1285 | const u8 *firmware = NULL; |
1da177e4 LT |
1286 | size_t firmware_size = 0; |
1287 | u16 firmware_csum = 0; | |
d4f979a9 AV |
1288 | __be16 firmware_csum_ns; |
1289 | __be32 firmware_size_nl; | |
1290 | u32 crc32_csum, crc32_check; | |
1291 | __be32 tmp; | |
1da177e4 LT |
1292 | const struct firmware *fw_entry = NULL; |
1293 | ||
e9815cee | 1294 | dprintk("%s\n", __func__); |
1da177e4 LT |
1295 | |
1296 | if (request_firmware(&fw_entry, dec->firmware_name, &dec->udev->dev)) { | |
1297 | printk(KERN_ERR "%s: Firmware (%s) unavailable.\n", | |
e9815cee | 1298 | __func__, dec->firmware_name); |
1da177e4 LT |
1299 | return 1; |
1300 | } | |
1301 | ||
1302 | firmware = fw_entry->data; | |
1303 | firmware_size = fw_entry->size; | |
1304 | ||
1305 | if (firmware_size < 60) { | |
1306 | printk("%s: firmware size too small for DSP code (%zu < 60).\n", | |
e9815cee | 1307 | __func__, firmware_size); |
0c744b01 | 1308 | release_firmware(fw_entry); |
1da177e4 LT |
1309 | return -1; |
1310 | } | |
1311 | ||
1312 | /* a 32 bit checksum over the first 56 bytes of the DSP Code is stored | |
1313 | at offset 56 of file, so use it to check if the firmware file is | |
1314 | valid. */ | |
1315 | crc32_csum = crc32(~0L, firmware, 56) ^ ~0L; | |
1316 | memcpy(&tmp, &firmware[56], 4); | |
d4f979a9 | 1317 | crc32_check = ntohl(tmp); |
1da177e4 LT |
1318 | if (crc32_csum != crc32_check) { |
1319 | printk("%s: crc32 check of DSP code failed (calculated " | |
1320 | "0x%08x != 0x%08x in file), file invalid.\n", | |
e9815cee | 1321 | __func__, crc32_csum, crc32_check); |
0c744b01 | 1322 | release_firmware(fw_entry); |
1da177e4 LT |
1323 | return -1; |
1324 | } | |
1325 | memcpy(idstring, &firmware[36], 20); | |
1326 | idstring[20] = '\0'; | |
1327 | printk(KERN_INFO "ttusb_dec: found DSP code \"%s\".\n", idstring); | |
1328 | ||
1329 | firmware_size_nl = htonl(firmware_size); | |
1330 | memcpy(b0, &firmware_size_nl, 4); | |
1331 | firmware_csum = crc16(~0, firmware, firmware_size) ^ ~0; | |
1332 | firmware_csum_ns = htons(firmware_csum); | |
1333 | memcpy(&b0[6], &firmware_csum_ns, 2); | |
1334 | ||
1335 | result = ttusb_dec_send_command(dec, 0x41, sizeof(b0), b0, NULL, NULL); | |
1336 | ||
0c744b01 AH |
1337 | if (result) { |
1338 | release_firmware(fw_entry); | |
1da177e4 | 1339 | return result; |
0c744b01 | 1340 | } |
1da177e4 LT |
1341 | |
1342 | trans_count = 0; | |
1343 | j = 0; | |
1344 | ||
1345 | b = kmalloc(ARM_PACKET_SIZE, GFP_KERNEL); | |
0c744b01 AH |
1346 | if (b == NULL) { |
1347 | release_firmware(fw_entry); | |
1da177e4 | 1348 | return -ENOMEM; |
0c744b01 | 1349 | } |
1da177e4 LT |
1350 | |
1351 | for (i = 0; i < firmware_size; i += COMMAND_PACKET_SIZE) { | |
1352 | size = firmware_size - i; | |
1353 | if (size > COMMAND_PACKET_SIZE) | |
1354 | size = COMMAND_PACKET_SIZE; | |
1355 | ||
1356 | b[j + 0] = 0xaa; | |
1357 | b[j + 1] = trans_count++; | |
1358 | b[j + 2] = 0xf0; | |
1359 | b[j + 3] = size; | |
1360 | memcpy(&b[j + 4], &firmware[i], size); | |
1361 | ||
1362 | j += COMMAND_PACKET_SIZE + 4; | |
1363 | ||
1364 | if (j >= ARM_PACKET_SIZE) { | |
1365 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1366 | ARM_PACKET_SIZE, &actual_len, | |
1367 | 100); | |
1368 | j = 0; | |
1369 | } else if (size < COMMAND_PACKET_SIZE) { | |
1370 | result = usb_bulk_msg(dec->udev, dec->command_pipe, b, | |
1371 | j - COMMAND_PACKET_SIZE + size, | |
1372 | &actual_len, 100); | |
1373 | } | |
1374 | } | |
1375 | ||
1376 | result = ttusb_dec_send_command(dec, 0x43, sizeof(b1), b1, NULL, NULL); | |
1377 | ||
0c744b01 | 1378 | release_firmware(fw_entry); |
1da177e4 LT |
1379 | kfree(b); |
1380 | ||
1381 | return result; | |
1382 | } | |
1383 | ||
1384 | static int ttusb_dec_init_stb(struct ttusb_dec *dec) | |
1385 | { | |
1386 | int result; | |
cf8e193a | 1387 | unsigned int mode = 0, model = 0, version = 0; |
1da177e4 | 1388 | |
e9815cee | 1389 | dprintk("%s\n", __func__); |
1da177e4 LT |
1390 | |
1391 | result = ttusb_dec_get_stb_state(dec, &mode, &model, &version); | |
1392 | ||
1393 | if (!result) { | |
1394 | if (!mode) { | |
1395 | if (version == 0xABCDEFAB) | |
1396 | printk(KERN_INFO "ttusb_dec: no version " | |
1397 | "info in Firmware\n"); | |
1398 | else | |
1399 | printk(KERN_INFO "ttusb_dec: Firmware " | |
1400 | "%x.%02x%c%c\n", | |
1401 | version >> 24, (version >> 16) & 0xff, | |
1402 | (version >> 8) & 0xff, version & 0xff); | |
1403 | ||
1404 | result = ttusb_dec_boot_dsp(dec); | |
1405 | if (result) | |
1406 | return result; | |
1407 | else | |
1408 | return 1; | |
1409 | } else { | |
1410 | /* We can't trust the USB IDs that some firmwares | |
1411 | give the box */ | |
1412 | switch (model) { | |
f961e71a | 1413 | case 0x00070001: |
1da177e4 LT |
1414 | case 0x00070008: |
1415 | case 0x0007000c: | |
1416 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1417 | break; | |
1418 | case 0x00070009: | |
1419 | case 0x00070013: | |
1420 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1421 | break; | |
1422 | case 0x00070011: | |
1423 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1424 | break; | |
1425 | default: | |
1426 | printk(KERN_ERR "%s: unknown model returned " | |
1427 | "by firmware (%08x) - please report\n", | |
e9815cee | 1428 | __func__, model); |
1da177e4 LT |
1429 | return -1; |
1430 | break; | |
1431 | } | |
1432 | ||
1433 | if (version >= 0x01770000) | |
1434 | dec->can_playback = 1; | |
1435 | ||
1436 | return 0; | |
1437 | } | |
1438 | } | |
1439 | else | |
1440 | return result; | |
1441 | } | |
1442 | ||
1443 | static int ttusb_dec_init_dvb(struct ttusb_dec *dec) | |
1444 | { | |
1445 | int result; | |
1446 | ||
e9815cee | 1447 | dprintk("%s\n", __func__); |
1da177e4 LT |
1448 | |
1449 | if ((result = dvb_register_adapter(&dec->adapter, | |
78e92006 JG |
1450 | dec->model_name, THIS_MODULE, |
1451 | &dec->udev->dev, | |
1452 | adapter_nr)) < 0) { | |
1da177e4 | 1453 | printk("%s: dvb_register_adapter failed: error %d\n", |
e9815cee | 1454 | __func__, result); |
1da177e4 LT |
1455 | |
1456 | return result; | |
1457 | } | |
1458 | ||
1459 | dec->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; | |
1460 | ||
1461 | dec->demux.priv = (void *)dec; | |
1462 | dec->demux.filternum = 31; | |
1463 | dec->demux.feednum = 31; | |
1464 | dec->demux.start_feed = ttusb_dec_start_feed; | |
1465 | dec->demux.stop_feed = ttusb_dec_stop_feed; | |
1466 | dec->demux.write_to_decoder = NULL; | |
1467 | ||
1468 | if ((result = dvb_dmx_init(&dec->demux)) < 0) { | |
e9815cee | 1469 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1470 | result); |
1471 | ||
fdc53a6d | 1472 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1473 | |
1474 | return result; | |
1475 | } | |
1476 | ||
1477 | dec->dmxdev.filternum = 32; | |
1478 | dec->dmxdev.demux = &dec->demux.dmx; | |
1479 | dec->dmxdev.capabilities = 0; | |
1480 | ||
fdc53a6d | 1481 | if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) { |
1da177e4 | 1482 | printk("%s: dvb_dmxdev_init failed: error %d\n", |
e9815cee | 1483 | __func__, result); |
1da177e4 LT |
1484 | |
1485 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1486 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1487 | |
1488 | return result; | |
1489 | } | |
1490 | ||
1491 | dec->frontend.source = DMX_FRONTEND_0; | |
1492 | ||
1493 | if ((result = dec->demux.dmx.add_frontend(&dec->demux.dmx, | |
1494 | &dec->frontend)) < 0) { | |
e9815cee | 1495 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1496 | result); |
1497 | ||
1498 | dvb_dmxdev_release(&dec->dmxdev); | |
1499 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1500 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1501 | |
1502 | return result; | |
1503 | } | |
1504 | ||
1505 | if ((result = dec->demux.dmx.connect_frontend(&dec->demux.dmx, | |
1506 | &dec->frontend)) < 0) { | |
e9815cee | 1507 | printk("%s: dvb_dmx_init failed: error %d\n", __func__, |
1da177e4 LT |
1508 | result); |
1509 | ||
1510 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1511 | dvb_dmxdev_release(&dec->dmxdev); | |
1512 | dvb_dmx_release(&dec->demux); | |
fdc53a6d | 1513 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1514 | |
1515 | return result; | |
1516 | } | |
1517 | ||
fdc53a6d | 1518 | dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx); |
1da177e4 LT |
1519 | |
1520 | return 0; | |
1521 | } | |
1522 | ||
1523 | static void ttusb_dec_exit_dvb(struct ttusb_dec *dec) | |
1524 | { | |
e9815cee | 1525 | dprintk("%s\n", __func__); |
1da177e4 LT |
1526 | |
1527 | dvb_net_release(&dec->dvb_net); | |
1528 | dec->demux.dmx.close(&dec->demux.dmx); | |
1529 | dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend); | |
1530 | dvb_dmxdev_release(&dec->dmxdev); | |
1531 | dvb_dmx_release(&dec->demux); | |
2bfe031d AQ |
1532 | if (dec->fe) { |
1533 | dvb_unregister_frontend(dec->fe); | |
1534 | if (dec->fe->ops.release) | |
1535 | dec->fe->ops.release(dec->fe); | |
1536 | } | |
fdc53a6d | 1537 | dvb_unregister_adapter(&dec->adapter); |
1da177e4 LT |
1538 | } |
1539 | ||
1540 | static void ttusb_dec_exit_rc(struct ttusb_dec *dec) | |
1541 | { | |
1542 | ||
e9815cee | 1543 | dprintk("%s\n", __func__); |
1da177e4 LT |
1544 | /* we have to check whether the irq URB is already submitted. |
1545 | * As the irq is submitted after the interface is changed, | |
1546 | * this is the best method i figured out. | |
1547 | * Any others?*/ | |
b7df3910 | 1548 | if (dec->interface == TTUSB_DEC_INTERFACE_IN) |
1da177e4 LT |
1549 | usb_kill_urb(dec->irq_urb); |
1550 | ||
1551 | usb_free_urb(dec->irq_urb); | |
1552 | ||
997ea58e DM |
1553 | usb_free_coherent(dec->udev,IRQ_PACKET_SIZE, |
1554 | dec->irq_buffer, dec->irq_dma_handle); | |
1da177e4 | 1555 | |
b7df3910 DT |
1556 | if (dec->rc_input_dev) { |
1557 | input_unregister_device(dec->rc_input_dev); | |
1558 | dec->rc_input_dev = NULL; | |
1559 | } | |
1da177e4 LT |
1560 | } |
1561 | ||
1562 | ||
1563 | static void ttusb_dec_exit_usb(struct ttusb_dec *dec) | |
1564 | { | |
1565 | int i; | |
1566 | ||
e9815cee | 1567 | dprintk("%s\n", __func__); |
1da177e4 LT |
1568 | |
1569 | dec->iso_stream_count = 0; | |
1570 | ||
1571 | for (i = 0; i < ISO_BUF_COUNT; i++) | |
1572 | usb_kill_urb(dec->iso_urb[i]); | |
1573 | ||
1574 | ttusb_dec_free_iso_urbs(dec); | |
1575 | } | |
1576 | ||
1577 | static void ttusb_dec_exit_tasklet(struct ttusb_dec *dec) | |
1578 | { | |
1579 | struct list_head *item; | |
1580 | struct urb_frame *frame; | |
1581 | ||
1582 | tasklet_kill(&dec->urb_tasklet); | |
1583 | ||
1584 | while ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) { | |
1585 | frame = list_entry(item, struct urb_frame, urb_frame_list); | |
1586 | list_del(&frame->urb_frame_list); | |
1587 | kfree(frame); | |
1588 | } | |
1589 | } | |
1590 | ||
1591 | static void ttusb_dec_init_filters(struct ttusb_dec *dec) | |
1592 | { | |
1593 | INIT_LIST_HEAD(&dec->filter_info_list); | |
1594 | spin_lock_init(&dec->filter_info_list_lock); | |
1595 | } | |
1596 | ||
1597 | static void ttusb_dec_exit_filters(struct ttusb_dec *dec) | |
1598 | { | |
1599 | struct list_head *item; | |
1600 | struct filter_info *finfo; | |
1601 | ||
1602 | while ((item = dec->filter_info_list.next) != &dec->filter_info_list) { | |
1603 | finfo = list_entry(item, struct filter_info, filter_info_list); | |
1604 | list_del(&finfo->filter_info_list); | |
1605 | kfree(finfo); | |
1606 | } | |
1607 | } | |
1608 | ||
d91b730d JS |
1609 | static int fe_send_command(struct dvb_frontend* fe, const u8 command, |
1610 | int param_length, const u8 params[], | |
1611 | int *result_length, u8 cmd_result[]) | |
1da177e4 | 1612 | { |
f961e71a | 1613 | struct ttusb_dec* dec = fe->dvb->priv; |
1da177e4 LT |
1614 | return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result); |
1615 | } | |
1616 | ||
d91b730d | 1617 | static struct ttusbdecfe_config fe_config = { |
1da177e4 LT |
1618 | .send_command = fe_send_command |
1619 | }; | |
1620 | ||
1621 | static int ttusb_dec_probe(struct usb_interface *intf, | |
1622 | const struct usb_device_id *id) | |
1623 | { | |
1624 | struct usb_device *udev; | |
1625 | struct ttusb_dec *dec; | |
1626 | ||
e9815cee | 1627 | dprintk("%s\n", __func__); |
1da177e4 LT |
1628 | |
1629 | udev = interface_to_usbdev(intf); | |
1630 | ||
7408187d | 1631 | if (!(dec = kzalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) { |
e9815cee | 1632 | printk("%s: couldn't allocate memory.\n", __func__); |
1da177e4 LT |
1633 | return -ENOMEM; |
1634 | } | |
1635 | ||
1636 | usb_set_intfdata(intf, (void *)dec); | |
1637 | ||
d4f979a9 | 1638 | switch (id->idProduct) { |
1da177e4 LT |
1639 | case 0x1006: |
1640 | ttusb_dec_set_model(dec, TTUSB_DEC3000S); | |
1641 | break; | |
1642 | ||
1643 | case 0x1008: | |
1644 | ttusb_dec_set_model(dec, TTUSB_DEC2000T); | |
1645 | break; | |
1646 | ||
1647 | case 0x1009: | |
1648 | ttusb_dec_set_model(dec, TTUSB_DEC2540T); | |
1649 | break; | |
1650 | } | |
1651 | ||
1652 | dec->udev = udev; | |
1653 | ||
1654 | if (ttusb_dec_init_usb(dec)) | |
1655 | return 0; | |
1656 | if (ttusb_dec_init_stb(dec)) { | |
1657 | ttusb_dec_exit_usb(dec); | |
1658 | return 0; | |
1659 | } | |
1660 | ttusb_dec_init_dvb(dec); | |
1661 | ||
fdc53a6d | 1662 | dec->adapter.priv = dec; |
d4f979a9 | 1663 | switch (id->idProduct) { |
1da177e4 LT |
1664 | case 0x1006: |
1665 | dec->fe = ttusbdecfe_dvbs_attach(&fe_config); | |
1666 | break; | |
1667 | ||
1668 | case 0x1008: | |
1669 | case 0x1009: | |
1670 | dec->fe = ttusbdecfe_dvbt_attach(&fe_config); | |
1671 | break; | |
1672 | } | |
1673 | ||
1674 | if (dec->fe == NULL) { | |
29e66a6c | 1675 | printk("dvb-ttusb-dec: A frontend driver was not found for device [%04x:%04x]\n", |
1da177e4 LT |
1676 | le16_to_cpu(dec->udev->descriptor.idVendor), |
1677 | le16_to_cpu(dec->udev->descriptor.idProduct)); | |
1678 | } else { | |
fdc53a6d | 1679 | if (dvb_register_frontend(&dec->adapter, dec->fe)) { |
1da177e4 | 1680 | printk("budget-ci: Frontend registration failed!\n"); |
dea74869 PB |
1681 | if (dec->fe->ops.release) |
1682 | dec->fe->ops.release(dec->fe); | |
1da177e4 LT |
1683 | dec->fe = NULL; |
1684 | } | |
1685 | } | |
1686 | ||
1687 | ttusb_dec_init_v_pes(dec); | |
1688 | ttusb_dec_init_filters(dec); | |
1689 | ttusb_dec_init_tasklet(dec); | |
1690 | ||
1691 | dec->active = 1; | |
1692 | ||
1693 | ttusb_dec_set_interface(dec, TTUSB_DEC_INTERFACE_IN); | |
1694 | ||
b7df3910 | 1695 | if (enable_rc) |
1da177e4 LT |
1696 | ttusb_init_rc(dec); |
1697 | ||
1698 | return 0; | |
1699 | } | |
1700 | ||
1701 | static void ttusb_dec_disconnect(struct usb_interface *intf) | |
1702 | { | |
1703 | struct ttusb_dec *dec = usb_get_intfdata(intf); | |
1704 | ||
1705 | usb_set_intfdata(intf, NULL); | |
1706 | ||
e9815cee | 1707 | dprintk("%s\n", __func__); |
1da177e4 LT |
1708 | |
1709 | if (dec->active) { | |
1710 | ttusb_dec_exit_tasklet(dec); | |
1711 | ttusb_dec_exit_filters(dec); | |
1712 | if(enable_rc) | |
1713 | ttusb_dec_exit_rc(dec); | |
1714 | ttusb_dec_exit_usb(dec); | |
1715 | ttusb_dec_exit_dvb(dec); | |
1716 | } | |
1717 | ||
1718 | kfree(dec); | |
1719 | } | |
1720 | ||
1721 | static void ttusb_dec_set_model(struct ttusb_dec *dec, | |
1722 | enum ttusb_dec_model model) | |
1723 | { | |
1724 | dec->model = model; | |
1725 | ||
1726 | switch (model) { | |
1727 | case TTUSB_DEC2000T: | |
1728 | dec->model_name = "DEC2000-t"; | |
1729 | dec->firmware_name = "dvb-ttusb-dec-2000t.fw"; | |
1730 | break; | |
1731 | ||
1732 | case TTUSB_DEC2540T: | |
1733 | dec->model_name = "DEC2540-t"; | |
1734 | dec->firmware_name = "dvb-ttusb-dec-2540t.fw"; | |
1735 | break; | |
1736 | ||
1737 | case TTUSB_DEC3000S: | |
1738 | dec->model_name = "DEC3000-s"; | |
1739 | dec->firmware_name = "dvb-ttusb-dec-3000s.fw"; | |
1740 | break; | |
1741 | } | |
1742 | } | |
1743 | ||
1744 | static struct usb_device_id ttusb_dec_table[] = { | |
1745 | {USB_DEVICE(0x0b48, 0x1006)}, /* DEC3000-s */ | |
1746 | /*{USB_DEVICE(0x0b48, 0x1007)}, Unconfirmed */ | |
1747 | {USB_DEVICE(0x0b48, 0x1008)}, /* DEC2000-t */ | |
1748 | {USB_DEVICE(0x0b48, 0x1009)}, /* DEC2540-t */ | |
1749 | {} | |
1750 | }; | |
1751 | ||
1752 | static struct usb_driver ttusb_dec_driver = { | |
1753 | .name = "ttusb-dec", | |
1754 | .probe = ttusb_dec_probe, | |
1755 | .disconnect = ttusb_dec_disconnect, | |
1756 | .id_table = ttusb_dec_table, | |
1757 | }; | |
1758 | ||
1759 | static int __init ttusb_dec_init(void) | |
1760 | { | |
1761 | int result; | |
1762 | ||
1763 | if ((result = usb_register(&ttusb_dec_driver)) < 0) { | |
e9815cee | 1764 | printk("%s: initialisation failed: error %d.\n", __func__, |
1da177e4 LT |
1765 | result); |
1766 | return result; | |
1767 | } | |
1768 | ||
1769 | return 0; | |
1770 | } | |
1771 | ||
1772 | static void __exit ttusb_dec_exit(void) | |
1773 | { | |
1774 | usb_deregister(&ttusb_dec_driver); | |
1775 | } | |
1776 | ||
1777 | module_init(ttusb_dec_init); | |
1778 | module_exit(ttusb_dec_exit); | |
1779 | ||
1780 | MODULE_AUTHOR("Alex Woods <linux-dvb@giblets.org>"); | |
1781 | MODULE_DESCRIPTION(DRIVER_NAME); | |
1782 | MODULE_LICENSE("GPL"); | |
1783 | MODULE_DEVICE_TABLE(usb, ttusb_dec_table); |