1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * budget-core.c: driver for the SAA7146 based Budget DVB cards
4 *
5 * Compiled from various sources by Michael Hunold <michael@mihu.de>
6 *
7 * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
8 *
9 * Copyright (C) 1999-2002 Ralph Metzler
10 * & Marcus Metzler for convergence integrated media GmbH
11 *
12 * 26feb2004 Support for FS Activy Card (Grundig tuner) by
13 * Michael Dreher <michael@5dot1.de>,
14 * Oliver Endriss <o.endriss@gmx.de>,
15 * Andreas 'randy' Weinberger
16 *
17 * the project's page is at https://linuxtv.org
18 */
19
20
21 #include "budget.h"
22 #include "ttpci-eeprom.h"
23
24 #define TS_WIDTH (2 * TS_SIZE)
25 #define TS_WIDTH_ACTIVY TS_SIZE
26 #define TS_WIDTH_DVBC TS_SIZE
27 #define TS_HEIGHT_MASK 0xf00
28 #define TS_HEIGHT_MASK_ACTIVY 0xc00
29 #define TS_HEIGHT_MASK_DVBC 0xe00
30 #define TS_MIN_BUFSIZE_K 188
31 #define TS_MAX_BUFSIZE_K 1410
32 #define TS_MAX_BUFSIZE_K_ACTIVY 564
33 #define TS_MAX_BUFSIZE_K_DVBC 1316
34 #define BUFFER_WARNING_WAIT (30*HZ)
35
36 int budget_debug;
37 static int dma_buffer_size = TS_MIN_BUFSIZE_K;
38 module_param_named(debug, budget_debug, int, 0644);
39 module_param_named(bufsize, dma_buffer_size, int, 0444);
40 MODULE_PARM_DESC(debug, "Turn on/off budget debugging (default:off).");
41 MODULE_PARM_DESC(bufsize, "DMA buffer size in KB, default: 188, min: 188, max: 1410 (Activy: 564)");
42
43 /****************************************************************************
44 * TT budget / WinTV Nova
45 ****************************************************************************/
46
stop_ts_capture(struct budget * budget)47 static int stop_ts_capture(struct budget *budget)
48 {
49 dprintk(2, "budget: %p\n", budget);
50
51 saa7146_write(budget->dev, MC1, MASK_20); // DMA3 off
52 SAA7146_IER_DISABLE(budget->dev, MASK_10);
53 return 0;
54 }
55
start_ts_capture(struct budget * budget)56 static int start_ts_capture(struct budget *budget)
57 {
58 struct saa7146_dev *dev = budget->dev;
59
60 dprintk(2, "budget: %p\n", budget);
61
62 if (!budget->feeding || !budget->fe_synced)
63 return 0;
64
65 saa7146_write(dev, MC1, MASK_20); // DMA3 off
66
67 memset(budget->grabbing, 0x00, budget->buffer_size);
68
69 saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000));
70
71 budget->ttbp = 0;
72
73 /*
74 * Signal path on the Activy:
75 *
76 * tuner -> SAA7146 port A -> SAA7146 BRS -> SAA7146 DMA3 -> memory
77 *
78 * Since the tuner feeds 204 bytes packets into the SAA7146,
79 * DMA3 is configured to strip the trailing 16 FEC bytes:
80 * Pitch: 188, NumBytes3: 188, NumLines3: 1024
81 */
82
83 switch(budget->card->type) {
84 case BUDGET_FS_ACTIVY:
85 saa7146_write(dev, DD1_INIT, 0x04000000);
86 saa7146_write(dev, MC2, (MASK_09 | MASK_25));
87 saa7146_write(dev, BRS_CTRL, 0x00000000);
88 break;
89 case BUDGET_PATCH:
90 saa7146_write(dev, DD1_INIT, 0x00000200);
91 saa7146_write(dev, MC2, (MASK_10 | MASK_26));
92 saa7146_write(dev, BRS_CTRL, 0x60000000);
93 break;
94 case BUDGET_CIN1200C_MK3:
95 case BUDGET_KNC1C_MK3:
96 case BUDGET_KNC1C_TDA10024:
97 case BUDGET_KNC1CP_MK3:
98 if (budget->video_port == BUDGET_VIDEO_PORTA) {
99 saa7146_write(dev, DD1_INIT, 0x06000200);
100 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
101 saa7146_write(dev, BRS_CTRL, 0x00000000);
102 } else {
103 saa7146_write(dev, DD1_INIT, 0x00000600);
104 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
105 saa7146_write(dev, BRS_CTRL, 0x60000000);
106 }
107 break;
108 default:
109 if (budget->video_port == BUDGET_VIDEO_PORTA) {
110 saa7146_write(dev, DD1_INIT, 0x06000200);
111 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
112 saa7146_write(dev, BRS_CTRL, 0x00000000);
113 } else {
114 saa7146_write(dev, DD1_INIT, 0x02000600);
115 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
116 saa7146_write(dev, BRS_CTRL, 0x60000000);
117 }
118 }
119
120 saa7146_write(dev, MC2, (MASK_08 | MASK_24));
121 mdelay(10);
122
123 saa7146_write(dev, BASE_ODD3, 0);
124 if (budget->buffer_size > budget->buffer_height * budget->buffer_width) {
125 // using odd/even buffers
126 saa7146_write(dev, BASE_EVEN3, budget->buffer_height * budget->buffer_width);
127 } else {
128 // using a single buffer
129 saa7146_write(dev, BASE_EVEN3, 0);
130 }
131 saa7146_write(dev, PROT_ADDR3, budget->buffer_size);
132 saa7146_write(dev, BASE_PAGE3, budget->pt.dma | ME1 | 0x90);
133
134 saa7146_write(dev, PITCH3, budget->buffer_width);
135 saa7146_write(dev, NUM_LINE_BYTE3,
136 (budget->buffer_height << 16) | budget->buffer_width);
137
138 saa7146_write(dev, MC2, (MASK_04 | MASK_20));
139
140 SAA7146_ISR_CLEAR(budget->dev, MASK_10); /* VPE */
141 SAA7146_IER_ENABLE(budget->dev, MASK_10); /* VPE */
142 saa7146_write(dev, MC1, (MASK_04 | MASK_20)); /* DMA3 on */
143
144 return 0;
145 }
146
budget_read_fe_status(struct dvb_frontend * fe,enum fe_status * status)147 static int budget_read_fe_status(struct dvb_frontend *fe,
148 enum fe_status *status)
149 {
150 struct budget *budget = (struct budget *) fe->dvb->priv;
151 int synced;
152 int ret;
153
154 if (budget->read_fe_status)
155 ret = budget->read_fe_status(fe, status);
156 else
157 ret = -EINVAL;
158
159 if (!ret) {
160 synced = (*status & FE_HAS_LOCK);
161 if (synced != budget->fe_synced) {
162 budget->fe_synced = synced;
163 spin_lock(&budget->feedlock);
164 if (synced)
165 start_ts_capture(budget);
166 else
167 stop_ts_capture(budget);
168 spin_unlock(&budget->feedlock);
169 }
170 }
171 return ret;
172 }
173
vpeirq(struct tasklet_struct * t)174 static void vpeirq(struct tasklet_struct *t)
175 {
176 struct budget *budget = from_tasklet(budget, t, vpe_tasklet);
177 u8 *mem = (u8 *) (budget->grabbing);
178 u32 olddma = budget->ttbp;
179 u32 newdma = saa7146_read(budget->dev, PCI_VDP3);
180 u32 count;
181
182 /* Ensure streamed PCI data is synced to CPU */
183 dma_sync_sg_for_cpu(&budget->dev->pci->dev, budget->pt.slist,
184 budget->pt.nents, DMA_FROM_DEVICE);
185
186 /* nearest lower position divisible by 188 */
187 newdma -= newdma % 188;
188
189 if (newdma >= budget->buffer_size)
190 return;
191
192 budget->ttbp = newdma;
193
194 if (budget->feeding == 0 || newdma == olddma)
195 return;
196
197 if (newdma > olddma) { /* no wraparound, dump olddma..newdma */
198 count = newdma - olddma;
199 dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188);
200 } else { /* wraparound, dump olddma..buflen and 0..newdma */
201 count = budget->buffer_size - olddma;
202 dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188);
203 count += newdma;
204 dvb_dmx_swfilter_packets(&budget->demux, mem, newdma / 188);
205 }
206
207 if (count > budget->buffer_warning_threshold)
208 budget->buffer_warnings++;
209
210 if (budget->buffer_warnings && time_after(jiffies, budget->buffer_warning_time)) {
211 printk("%s %s: used %d times >80%% of buffer (%u bytes now)\n",
212 budget->dev->name, __func__, budget->buffer_warnings, count);
213 budget->buffer_warning_time = jiffies + BUFFER_WARNING_WAIT;
214 budget->buffer_warnings = 0;
215 }
216 }
217
218
ttpci_budget_debiread_nolock(struct budget * budget,u32 config,int addr,int count,int nobusyloop)219 static int ttpci_budget_debiread_nolock(struct budget *budget, u32 config,
220 int addr, int count, int nobusyloop)
221 {
222 struct saa7146_dev *saa = budget->dev;
223 int result;
224
225 result = saa7146_wait_for_debi_done(saa, nobusyloop);
226 if (result < 0)
227 return result;
228
229 saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
230 saa7146_write(saa, DEBI_CONFIG, config);
231 saa7146_write(saa, DEBI_PAGE, 0);
232 saa7146_write(saa, MC2, (2 << 16) | 2);
233
234 result = saa7146_wait_for_debi_done(saa, nobusyloop);
235 if (result < 0)
236 return result;
237
238 result = saa7146_read(saa, DEBI_AD);
239 result &= (0xffffffffUL >> ((4 - count) * 8));
240 return result;
241 }
242
ttpci_budget_debiread(struct budget * budget,u32 config,int addr,int count,int uselocks,int nobusyloop)243 int ttpci_budget_debiread(struct budget *budget, u32 config, int addr, int count,
244 int uselocks, int nobusyloop)
245 {
246 if (count > 4 || count <= 0)
247 return 0;
248
249 if (uselocks) {
250 unsigned long flags;
251 int result;
252
253 spin_lock_irqsave(&budget->debilock, flags);
254 result = ttpci_budget_debiread_nolock(budget, config, addr,
255 count, nobusyloop);
256 spin_unlock_irqrestore(&budget->debilock, flags);
257 return result;
258 }
259 return ttpci_budget_debiread_nolock(budget, config, addr,
260 count, nobusyloop);
261 }
262
ttpci_budget_debiwrite_nolock(struct budget * budget,u32 config,int addr,int count,u32 value,int nobusyloop)263 static int ttpci_budget_debiwrite_nolock(struct budget *budget, u32 config,
264 int addr, int count, u32 value, int nobusyloop)
265 {
266 struct saa7146_dev *saa = budget->dev;
267 int result;
268
269 result = saa7146_wait_for_debi_done(saa, nobusyloop);
270 if (result < 0)
271 return result;
272
273 saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff));
274 saa7146_write(saa, DEBI_CONFIG, config);
275 saa7146_write(saa, DEBI_PAGE, 0);
276 saa7146_write(saa, DEBI_AD, value);
277 saa7146_write(saa, MC2, (2 << 16) | 2);
278
279 result = saa7146_wait_for_debi_done(saa, nobusyloop);
280 return result < 0 ? result : 0;
281 }
282
ttpci_budget_debiwrite(struct budget * budget,u32 config,int addr,int count,u32 value,int uselocks,int nobusyloop)283 int ttpci_budget_debiwrite(struct budget *budget, u32 config, int addr,
284 int count, u32 value, int uselocks, int nobusyloop)
285 {
286 if (count > 4 || count <= 0)
287 return 0;
288
289 if (uselocks) {
290 unsigned long flags;
291 int result;
292
293 spin_lock_irqsave(&budget->debilock, flags);
294 result = ttpci_budget_debiwrite_nolock(budget, config, addr,
295 count, value, nobusyloop);
296 spin_unlock_irqrestore(&budget->debilock, flags);
297 return result;
298 }
299 return ttpci_budget_debiwrite_nolock(budget, config, addr,
300 count, value, nobusyloop);
301 }
302
303
304 /****************************************************************************
305 * DVB API SECTION
306 ****************************************************************************/
307
budget_start_feed(struct dvb_demux_feed * feed)308 static int budget_start_feed(struct dvb_demux_feed *feed)
309 {
310 struct dvb_demux *demux = feed->demux;
311 struct budget *budget = (struct budget *) demux->priv;
312 int status = 0;
313
314 dprintk(2, "budget: %p\n", budget);
315
316 if (!demux->dmx.frontend)
317 return -EINVAL;
318
319 spin_lock(&budget->feedlock);
320 feed->pusi_seen = false; /* have a clean section start */
321 if (budget->feeding++ == 0)
322 status = start_ts_capture(budget);
323 spin_unlock(&budget->feedlock);
324 return status;
325 }
326
budget_stop_feed(struct dvb_demux_feed * feed)327 static int budget_stop_feed(struct dvb_demux_feed *feed)
328 {
329 struct dvb_demux *demux = feed->demux;
330 struct budget *budget = (struct budget *) demux->priv;
331 int status = 0;
332
333 dprintk(2, "budget: %p\n", budget);
334
335 spin_lock(&budget->feedlock);
336 if (--budget->feeding == 0)
337 status = stop_ts_capture(budget);
338 spin_unlock(&budget->feedlock);
339 return status;
340 }
341
budget_register(struct budget * budget)342 static int budget_register(struct budget *budget)
343 {
344 struct dvb_demux *dvbdemux = &budget->demux;
345 int ret;
346
347 dprintk(2, "budget: %p\n", budget);
348
349 dvbdemux->priv = (void *) budget;
350
351 dvbdemux->filternum = 256;
352 dvbdemux->feednum = 256;
353 dvbdemux->start_feed = budget_start_feed;
354 dvbdemux->stop_feed = budget_stop_feed;
355 dvbdemux->write_to_decoder = NULL;
356
357 dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | DMX_SECTION_FILTERING |
358 DMX_MEMORY_BASED_FILTERING);
359
360 dvb_dmx_init(&budget->demux);
361
362 budget->dmxdev.filternum = 256;
363 budget->dmxdev.demux = &dvbdemux->dmx;
364 budget->dmxdev.capabilities = 0;
365
366 dvb_dmxdev_init(&budget->dmxdev, &budget->dvb_adapter);
367
368 budget->hw_frontend.source = DMX_FRONTEND_0;
369
370 ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend);
371
372 if (ret < 0)
373 goto err_release_dmx;
374
375 budget->mem_frontend.source = DMX_MEMORY_FE;
376 ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend);
377 if (ret < 0)
378 goto err_release_dmx;
379
380 ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend);
381 if (ret < 0)
382 goto err_release_dmx;
383
384 dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx);
385
386 return 0;
387
388 err_release_dmx:
389 dvb_dmxdev_release(&budget->dmxdev);
390 dvb_dmx_release(&budget->demux);
391 return ret;
392 }
393
budget_unregister(struct budget * budget)394 static void budget_unregister(struct budget *budget)
395 {
396 struct dvb_demux *dvbdemux = &budget->demux;
397
398 dprintk(2, "budget: %p\n", budget);
399
400 dvb_net_release(&budget->dvb_net);
401
402 dvbdemux->dmx.close(&dvbdemux->dmx);
403 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->hw_frontend);
404 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->mem_frontend);
405
406 dvb_dmxdev_release(&budget->dmxdev);
407 dvb_dmx_release(&budget->demux);
408 }
409
ttpci_budget_init(struct budget * budget,struct saa7146_dev * dev,struct saa7146_pci_extension_data * info,struct module * owner,short * adapter_nums)410 int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
411 struct saa7146_pci_extension_data *info,
412 struct module *owner, short *adapter_nums)
413 {
414 int ret = 0;
415 struct budget_info *bi = info->ext_priv;
416 int max_bufsize;
417 int height_mask;
418
419 memset(budget, 0, sizeof(struct budget));
420
421 dprintk(2, "dev: %p, budget: %p\n", dev, budget);
422
423 budget->card = bi;
424 budget->dev = (struct saa7146_dev *) dev;
425
426 switch(budget->card->type) {
427 case BUDGET_FS_ACTIVY:
428 budget->buffer_width = TS_WIDTH_ACTIVY;
429 max_bufsize = TS_MAX_BUFSIZE_K_ACTIVY;
430 height_mask = TS_HEIGHT_MASK_ACTIVY;
431 break;
432
433 case BUDGET_KNC1C:
434 case BUDGET_KNC1CP:
435 case BUDGET_CIN1200C:
436 case BUDGET_KNC1C_MK3:
437 case BUDGET_KNC1C_TDA10024:
438 case BUDGET_KNC1CP_MK3:
439 case BUDGET_CIN1200C_MK3:
440 budget->buffer_width = TS_WIDTH_DVBC;
441 max_bufsize = TS_MAX_BUFSIZE_K_DVBC;
442 height_mask = TS_HEIGHT_MASK_DVBC;
443 break;
444
445 default:
446 budget->buffer_width = TS_WIDTH;
447 max_bufsize = TS_MAX_BUFSIZE_K;
448 height_mask = TS_HEIGHT_MASK;
449 }
450
451 if (dma_buffer_size < TS_MIN_BUFSIZE_K)
452 dma_buffer_size = TS_MIN_BUFSIZE_K;
453 else if (dma_buffer_size > max_bufsize)
454 dma_buffer_size = max_bufsize;
455
456 budget->buffer_height = dma_buffer_size * 1024 / budget->buffer_width;
457 if (budget->buffer_height > 0xfff) {
458 budget->buffer_height /= 2;
459 budget->buffer_height &= height_mask;
460 budget->buffer_size = 2 * budget->buffer_height * budget->buffer_width;
461 } else {
462 budget->buffer_height &= height_mask;
463 budget->buffer_size = budget->buffer_height * budget->buffer_width;
464 }
465 budget->buffer_warning_threshold = budget->buffer_size * 80/100;
466 budget->buffer_warnings = 0;
467 budget->buffer_warning_time = jiffies;
468
469 dprintk(2, "%s: buffer type = %s, width = %d, height = %d\n",
470 budget->dev->name,
471 budget->buffer_size > budget->buffer_width * budget->buffer_height ? "odd/even" : "single",
472 budget->buffer_width, budget->buffer_height);
473 printk("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size);
474
475 ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name,
476 owner, &budget->dev->pci->dev, adapter_nums);
477 if (ret < 0)
478 return ret;
479
480 /* set dd1 stream a & b */
481 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
482 saa7146_write(dev, MC2, (MASK_09 | MASK_25));
483 saa7146_write(dev, MC2, (MASK_10 | MASK_26));
484 saa7146_write(dev, DD1_INIT, 0x02000000);
485 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
486
487 if (bi->type != BUDGET_FS_ACTIVY)
488 budget->video_port = BUDGET_VIDEO_PORTB;
489 else
490 budget->video_port = BUDGET_VIDEO_PORTA;
491 spin_lock_init(&budget->feedlock);
492 spin_lock_init(&budget->debilock);
493
494 /* the Siemens DVB needs this if you want to have the i2c chips
495 get recognized before the main driver is loaded */
496 if (bi->type != BUDGET_FS_ACTIVY)
497 saa7146_write(dev, GPIO_CTRL, 0x500000); /* GPIO 3 = 1 */
498
499 strscpy(budget->i2c_adap.name, budget->card->name,
500 sizeof(budget->i2c_adap.name));
501
502 saa7146_i2c_adapter_prepare(dev, &budget->i2c_adap, SAA7146_I2C_BUS_BIT_RATE_120);
503 strscpy(budget->i2c_adap.name, budget->card->name,
504 sizeof(budget->i2c_adap.name));
505
506 if (i2c_add_adapter(&budget->i2c_adap) < 0) {
507 ret = -ENOMEM;
508 goto err_dvb_unregister;
509 }
510
511 ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter.proposed_mac);
512
513 budget->grabbing = saa7146_vmalloc_build_pgtable(dev->pci, budget->buffer_size, &budget->pt);
514 if (NULL == budget->grabbing) {
515 ret = -ENOMEM;
516 goto err_del_i2c;
517 }
518
519 saa7146_write(dev, PCI_BT_V1, 0x001c0000);
520 /* upload all */
521 saa7146_write(dev, GPIO_CTRL, 0x000000);
522
523 tasklet_setup(&budget->vpe_tasklet, vpeirq);
524
525 /* frontend power on */
526 if (bi->type != BUDGET_FS_ACTIVY)
527 saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
528
529 if ((ret = budget_register(budget)) == 0)
530 return 0; /* Everything OK */
531
532 /* An error occurred, cleanup resources */
533 saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt);
534
535 err_del_i2c:
536 i2c_del_adapter(&budget->i2c_adap);
537
538 err_dvb_unregister:
539 dvb_unregister_adapter(&budget->dvb_adapter);
540
541 return ret;
542 }
543
ttpci_budget_init_hooks(struct budget * budget)544 void ttpci_budget_init_hooks(struct budget *budget)
545 {
546 if (budget->dvb_frontend && !budget->read_fe_status) {
547 budget->read_fe_status = budget->dvb_frontend->ops.read_status;
548 budget->dvb_frontend->ops.read_status = budget_read_fe_status;
549 }
550 }
551
ttpci_budget_deinit(struct budget * budget)552 int ttpci_budget_deinit(struct budget *budget)
553 {
554 struct saa7146_dev *dev = budget->dev;
555
556 dprintk(2, "budget: %p\n", budget);
557
558 budget_unregister(budget);
559
560 tasklet_kill(&budget->vpe_tasklet);
561
562 saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt);
563
564 i2c_del_adapter(&budget->i2c_adap);
565
566 dvb_unregister_adapter(&budget->dvb_adapter);
567
568 return 0;
569 }
570
ttpci_budget_irq10_handler(struct saa7146_dev * dev,u32 * isr)571 void ttpci_budget_irq10_handler(struct saa7146_dev *dev, u32 * isr)
572 {
573 struct budget *budget = (struct budget *) dev->ext_priv;
574
575 dprintk(8, "dev: %p, budget: %p\n", dev, budget);
576
577 if (*isr & MASK_10)
578 tasklet_schedule(&budget->vpe_tasklet);
579 }
580
ttpci_budget_set_video_port(struct saa7146_dev * dev,int video_port)581 void ttpci_budget_set_video_port(struct saa7146_dev *dev, int video_port)
582 {
583 struct budget *budget = (struct budget *) dev->ext_priv;
584
585 spin_lock(&budget->feedlock);
586 budget->video_port = video_port;
587 if (budget->feeding) {
588 stop_ts_capture(budget);
589 start_ts_capture(budget);
590 }
591 spin_unlock(&budget->feedlock);
592 }
593
594 EXPORT_SYMBOL_GPL(ttpci_budget_debiread);
595 EXPORT_SYMBOL_GPL(ttpci_budget_debiwrite);
596 EXPORT_SYMBOL_GPL(ttpci_budget_init);
597 EXPORT_SYMBOL_GPL(ttpci_budget_init_hooks);
598 EXPORT_SYMBOL_GPL(ttpci_budget_deinit);
599 EXPORT_SYMBOL_GPL(ttpci_budget_irq10_handler);
600 EXPORT_SYMBOL_GPL(ttpci_budget_set_video_port);
601 EXPORT_SYMBOL_GPL(budget_debug);
602
603 MODULE_LICENSE("GPL");
604