Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...
[linux-2.6] / drivers / media / dvb / ttpci / budget-core.c
1 /*
2  * budget-core.c: driver for the SAA7146 based Budget DVB cards
3  *
4  * Compiled from various sources by Michael Hunold <michael@mihu.de>
5  *
6  * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
7  *
8  * Copyright (C) 1999-2002 Ralph  Metzler
9  *                       & Marcus Metzler for convergence integrated media GmbH
10  *
11  * 26feb2004 Support for FS Activy Card (Grundig tuner) by
12  *           Michael Dreher <michael@5dot1.de>,
13  *           Oliver Endriss <o.endriss@gmx.de>,
14  *           Andreas 'randy' Weinberger
15  *
16  * This program is free software; you can redistribute it and/or
17  * modify it under the terms of the GNU General Public License
18  * as published by the Free Software Foundation; either version 2
19  * of the License, or (at your option) any later version.
20  *
21  *
22  * This program is distributed in the hope that it will be useful,
23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
25  * GNU General Public License for more details.
26  *
27  *
28  * You should have received a copy of the GNU General Public License
29  * along with this program; if not, write to the Free Software
30  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
32  *
33  *
34  * the project's page is at http://www.linuxtv.org/dvb/
35  */
36
37 #include <linux/moduleparam.h>
38
39 #include "budget.h"
40 #include "ttpci-eeprom.h"
41
42 #define TS_WIDTH                (2 * TS_SIZE)
43 #define TS_WIDTH_ACTIVY         TS_SIZE
44 #define TS_WIDTH_DVBC           TS_SIZE
45 #define TS_HEIGHT_MASK          0xf00
46 #define TS_HEIGHT_MASK_ACTIVY   0xc00
47 #define TS_HEIGHT_MASK_DVBC     0xe00
48 #define TS_MIN_BUFSIZE_K        188
49 #define TS_MAX_BUFSIZE_K        1410
50 #define TS_MAX_BUFSIZE_K_ACTIVY 564
51 #define TS_MAX_BUFSIZE_K_DVBC   1316
52 #define BUFFER_WARNING_WAIT     (30*HZ)
53
54 int budget_debug;
55 static int dma_buffer_size = TS_MIN_BUFSIZE_K;
56 module_param_named(debug, budget_debug, int, 0644);
57 module_param_named(bufsize, dma_buffer_size, int, 0444);
58 MODULE_PARM_DESC(debug, "Turn on/off budget debugging (default:off).");
59 MODULE_PARM_DESC(bufsize, "DMA buffer size in KB, default: 188, min: 188, max: 1410 (Activy: 564)");
60
61 /****************************************************************************
62  * TT budget / WinTV Nova
63  ****************************************************************************/
64
65 static int stop_ts_capture(struct budget *budget)
66 {
67         dprintk(2, "budget: %p\n", budget);
68
69         saa7146_write(budget->dev, MC1, MASK_20);       // DMA3 off
70         SAA7146_IER_DISABLE(budget->dev, MASK_10);
71         return 0;
72 }
73
74 static int start_ts_capture(struct budget *budget)
75 {
76         struct saa7146_dev *dev = budget->dev;
77
78         dprintk(2, "budget: %p\n", budget);
79
80         if (!budget->feeding || !budget->fe_synced)
81                 return 0;
82
83         saa7146_write(dev, MC1, MASK_20);       // DMA3 off
84
85         memset(budget->grabbing, 0x00, budget->buffer_size);
86
87         saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000));
88
89         budget->ttbp = 0;
90
91         /*
92          *  Signal path on the Activy:
93          *
94          *  tuner -> SAA7146 port A -> SAA7146 BRS -> SAA7146 DMA3 -> memory
95          *
96          *  Since the tuner feeds 204 bytes packets into the SAA7146,
97          *  DMA3 is configured to strip the trailing 16 FEC bytes:
98          *      Pitch: 188, NumBytes3: 188, NumLines3: 1024
99          */
100
101         switch(budget->card->type) {
102         case BUDGET_FS_ACTIVY:
103                 saa7146_write(dev, DD1_INIT, 0x04000000);
104                 saa7146_write(dev, MC2, (MASK_09 | MASK_25));
105                 saa7146_write(dev, BRS_CTRL, 0x00000000);
106                 break;
107         case BUDGET_PATCH:
108                 saa7146_write(dev, DD1_INIT, 0x00000200);
109                 saa7146_write(dev, MC2, (MASK_10 | MASK_26));
110                 saa7146_write(dev, BRS_CTRL, 0x60000000);
111                 break;
112         case BUDGET_CIN1200C_MK3:
113         case BUDGET_KNC1C_MK3:
114         case BUDGET_KNC1CP_MK3:
115                 if (budget->video_port == BUDGET_VIDEO_PORTA) {
116                         saa7146_write(dev, DD1_INIT, 0x06000200);
117                         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
118                         saa7146_write(dev, BRS_CTRL, 0x00000000);
119                 } else {
120                         saa7146_write(dev, DD1_INIT, 0x00000600);
121                         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
122                         saa7146_write(dev, BRS_CTRL, 0x60000000);
123                 }
124                 break;
125         default:
126                 if (budget->video_port == BUDGET_VIDEO_PORTA) {
127                         saa7146_write(dev, DD1_INIT, 0x06000200);
128                         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
129                         saa7146_write(dev, BRS_CTRL, 0x00000000);
130                 } else {
131                         saa7146_write(dev, DD1_INIT, 0x02000600);
132                         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
133                         saa7146_write(dev, BRS_CTRL, 0x60000000);
134                 }
135         }
136
137         saa7146_write(dev, MC2, (MASK_08 | MASK_24));
138         mdelay(10);
139
140         saa7146_write(dev, BASE_ODD3, 0);
141         if (budget->buffer_size > budget->buffer_height * budget->buffer_width) {
142                 // using odd/even buffers
143                 saa7146_write(dev, BASE_EVEN3, budget->buffer_height * budget->buffer_width);
144         } else {
145                 // using a single buffer
146                 saa7146_write(dev, BASE_EVEN3, 0);
147         }
148         saa7146_write(dev, PROT_ADDR3, budget->buffer_size);
149         saa7146_write(dev, BASE_PAGE3, budget->pt.dma | ME1 | 0x90);
150
151         saa7146_write(dev, PITCH3, budget->buffer_width);
152         saa7146_write(dev, NUM_LINE_BYTE3,
153                         (budget->buffer_height << 16) | budget->buffer_width);
154
155         saa7146_write(dev, MC2, (MASK_04 | MASK_20));
156
157         SAA7146_ISR_CLEAR(budget->dev, MASK_10);        /* VPE */
158         SAA7146_IER_ENABLE(budget->dev, MASK_10);       /* VPE */
159         saa7146_write(dev, MC1, (MASK_04 | MASK_20));   /* DMA3 on */
160
161         return 0;
162 }
163
164 static int budget_read_fe_status(struct dvb_frontend *fe, fe_status_t *status)
165 {
166         struct budget *budget = (struct budget *) fe->dvb->priv;
167         int synced;
168         int ret;
169
170         if (budget->read_fe_status)
171                 ret = budget->read_fe_status(fe, status);
172         else
173                 ret = -EINVAL;
174
175         if (!ret) {
176                 synced = (*status & FE_HAS_LOCK);
177                 if (synced != budget->fe_synced) {
178                         budget->fe_synced = synced;
179                         spin_lock(&budget->feedlock);
180                         if (synced)
181                                 start_ts_capture(budget);
182                         else
183                                 stop_ts_capture(budget);
184                         spin_unlock(&budget->feedlock);
185                 }
186         }
187         return ret;
188 }
189
190 static void vpeirq(unsigned long data)
191 {
192         struct budget *budget = (struct budget *) data;
193         u8 *mem = (u8 *) (budget->grabbing);
194         u32 olddma = budget->ttbp;
195         u32 newdma = saa7146_read(budget->dev, PCI_VDP3);
196         u32 count;
197
198         /* Ensure streamed PCI data is synced to CPU */
199         pci_dma_sync_sg_for_cpu(budget->dev->pci, budget->pt.slist, budget->pt.nents, PCI_DMA_FROMDEVICE);
200
201         /* nearest lower position divisible by 188 */
202         newdma -= newdma % 188;
203
204         if (newdma >= budget->buffer_size)
205                 return;
206
207         budget->ttbp = newdma;
208
209         if (budget->feeding == 0 || newdma == olddma)
210                 return;
211
212         if (newdma > olddma) {  /* no wraparound, dump olddma..newdma */
213                 count = newdma - olddma;
214                 dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188);
215         } else {                /* wraparound, dump olddma..buflen and 0..newdma */
216                 count = budget->buffer_size - olddma;
217                 dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188);
218                 count += newdma;
219                 dvb_dmx_swfilter_packets(&budget->demux, mem, newdma / 188);
220         }
221
222         if (count > budget->buffer_warning_threshold)
223                 budget->buffer_warnings++;
224
225         if (budget->buffer_warnings && time_after(jiffies, budget->buffer_warning_time)) {
226                 printk("%s %s: used %d times >80%% of buffer (%u bytes now)\n",
227                         budget->dev->name, __FUNCTION__, budget->buffer_warnings, count);
228                 budget->buffer_warning_time = jiffies + BUFFER_WARNING_WAIT;
229                 budget->buffer_warnings = 0;
230         }
231 }
232
233
234 int ttpci_budget_debiread(struct budget *budget, u32 config, int addr, int count,
235                           int uselocks, int nobusyloop)
236 {
237         struct saa7146_dev *saa = budget->dev;
238         int result = 0;
239         unsigned long flags = 0;
240
241         if (count > 4 || count <= 0)
242                 return 0;
243
244         if (uselocks)
245                 spin_lock_irqsave(&budget->debilock, flags);
246
247         if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
248                 if (uselocks)
249                         spin_unlock_irqrestore(&budget->debilock, flags);
250                 return result;
251         }
252
253         saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
254         saa7146_write(saa, DEBI_CONFIG, config);
255         saa7146_write(saa, DEBI_PAGE, 0);
256         saa7146_write(saa, MC2, (2 << 16) | 2);
257
258         if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
259                 if (uselocks)
260                         spin_unlock_irqrestore(&budget->debilock, flags);
261                 return result;
262         }
263
264         result = saa7146_read(saa, DEBI_AD);
265         result &= (0xffffffffUL >> ((4 - count) * 8));
266
267         if (uselocks)
268                 spin_unlock_irqrestore(&budget->debilock, flags);
269
270         return result;
271 }
272
273 int ttpci_budget_debiwrite(struct budget *budget, u32 config, int addr,
274                            int count, u32 value, int uselocks, int nobusyloop)
275 {
276         struct saa7146_dev *saa = budget->dev;
277         unsigned long flags = 0;
278         int result;
279
280         if (count > 4 || count <= 0)
281                 return 0;
282
283         if (uselocks)
284                 spin_lock_irqsave(&budget->debilock, flags);
285
286         if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
287                 if (uselocks)
288                         spin_unlock_irqrestore(&budget->debilock, flags);
289                 return result;
290         }
291
292         saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff));
293         saa7146_write(saa, DEBI_CONFIG, config);
294         saa7146_write(saa, DEBI_PAGE, 0);
295         saa7146_write(saa, DEBI_AD, value);
296         saa7146_write(saa, MC2, (2 << 16) | 2);
297
298         if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
299                 if (uselocks)
300                         spin_unlock_irqrestore(&budget->debilock, flags);
301                 return result;
302         }
303
304         if (uselocks)
305                 spin_unlock_irqrestore(&budget->debilock, flags);
306         return 0;
307 }
308
309
310 /****************************************************************************
311  * DVB API SECTION
312  ****************************************************************************/
313
314 static int budget_start_feed(struct dvb_demux_feed *feed)
315 {
316         struct dvb_demux *demux = feed->demux;
317         struct budget *budget = (struct budget *) demux->priv;
318         int status = 0;
319
320         dprintk(2, "budget: %p\n", budget);
321
322         if (!demux->dmx.frontend)
323                 return -EINVAL;
324
325         spin_lock(&budget->feedlock);
326         feed->pusi_seen = 0; /* have a clean section start */
327         if (budget->feeding++ == 0)
328                 status = start_ts_capture(budget);
329         spin_unlock(&budget->feedlock);
330         return status;
331 }
332
333 static int budget_stop_feed(struct dvb_demux_feed *feed)
334 {
335         struct dvb_demux *demux = feed->demux;
336         struct budget *budget = (struct budget *) demux->priv;
337         int status = 0;
338
339         dprintk(2, "budget: %p\n", budget);
340
341         spin_lock(&budget->feedlock);
342         if (--budget->feeding == 0)
343                 status = stop_ts_capture(budget);
344         spin_unlock(&budget->feedlock);
345         return status;
346 }
347
348 static int budget_register(struct budget *budget)
349 {
350         struct dvb_demux *dvbdemux = &budget->demux;
351         int ret;
352
353         dprintk(2, "budget: %p\n", budget);
354
355         dvbdemux->priv = (void *) budget;
356
357         dvbdemux->filternum = 256;
358         dvbdemux->feednum = 256;
359         dvbdemux->start_feed = budget_start_feed;
360         dvbdemux->stop_feed = budget_stop_feed;
361         dvbdemux->write_to_decoder = NULL;
362
363         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | DMX_SECTION_FILTERING |
364                                       DMX_MEMORY_BASED_FILTERING);
365
366         dvb_dmx_init(&budget->demux);
367
368         budget->dmxdev.filternum = 256;
369         budget->dmxdev.demux = &dvbdemux->dmx;
370         budget->dmxdev.capabilities = 0;
371
372         dvb_dmxdev_init(&budget->dmxdev, &budget->dvb_adapter);
373
374         budget->hw_frontend.source = DMX_FRONTEND_0;
375
376         ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend);
377
378         if (ret < 0)
379                 return ret;
380
381         budget->mem_frontend.source = DMX_MEMORY_FE;
382         ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend);
383         if (ret < 0)
384                 return ret;
385
386         ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend);
387         if (ret < 0)
388                 return ret;
389
390         dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx);
391
392         return 0;
393 }
394
395 static void budget_unregister(struct budget *budget)
396 {
397         struct dvb_demux *dvbdemux = &budget->demux;
398
399         dprintk(2, "budget: %p\n", budget);
400
401         dvb_net_release(&budget->dvb_net);
402
403         dvbdemux->dmx.close(&dvbdemux->dmx);
404         dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->hw_frontend);
405         dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->mem_frontend);
406
407         dvb_dmxdev_release(&budget->dmxdev);
408         dvb_dmx_release(&budget->demux);
409 }
410
411 int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
412                       struct saa7146_pci_extension_data *info,
413                       struct module *owner)
414 {
415         int ret = 0;
416         struct budget_info *bi = info->ext_priv;
417         int max_bufsize;
418         int height_mask;
419
420         memset(budget, 0, sizeof(struct budget));
421
422         dprintk(2, "dev: %p, budget: %p\n", dev, budget);
423
424         budget->card = bi;
425         budget->dev = (struct saa7146_dev *) dev;
426
427         switch(budget->card->type) {
428         case BUDGET_FS_ACTIVY:
429                 budget->buffer_width = TS_WIDTH_ACTIVY;
430                 max_bufsize = TS_MAX_BUFSIZE_K_ACTIVY;
431                 height_mask = TS_HEIGHT_MASK_ACTIVY;
432                 break;
433
434         case BUDGET_KNC1C:
435         case BUDGET_KNC1CP:
436         case BUDGET_CIN1200C:
437         case BUDGET_KNC1C_MK3:
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         if ((ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name, owner, &budget->dev->pci->dev)) < 0) {
476                 return ret;
477         }
478
479         /* set dd1 stream a & b */
480         saa7146_write(dev, DD1_STREAM_B, 0x00000000);
481         saa7146_write(dev, MC2, (MASK_09 | MASK_25));
482         saa7146_write(dev, MC2, (MASK_10 | MASK_26));
483         saa7146_write(dev, DD1_INIT, 0x02000000);
484         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
485
486         if (bi->type != BUDGET_FS_ACTIVY)
487                 budget->video_port = BUDGET_VIDEO_PORTB;
488         else
489                 budget->video_port = BUDGET_VIDEO_PORTA;
490         spin_lock_init(&budget->feedlock);
491         spin_lock_init(&budget->debilock);
492
493         /* the Siemens DVB needs this if you want to have the i2c chips
494            get recognized before the main driver is loaded */
495         if (bi->type != BUDGET_FS_ACTIVY)
496                 saa7146_write(dev, GPIO_CTRL, 0x500000);        /* GPIO 3 = 1 */
497
498 #ifdef I2C_ADAP_CLASS_TV_DIGITAL
499         budget->i2c_adap.class = I2C_ADAP_CLASS_TV_DIGITAL;
500 #else
501         budget->i2c_adap.class = I2C_CLASS_TV_DIGITAL;
502 #endif
503
504         strlcpy(budget->i2c_adap.name, budget->card->name, sizeof(budget->i2c_adap.name));
505
506         saa7146_i2c_adapter_prepare(dev, &budget->i2c_adap, SAA7146_I2C_BUS_BIT_RATE_120);
507         strcpy(budget->i2c_adap.name, budget->card->name);
508
509         if (i2c_add_adapter(&budget->i2c_adap) < 0) {
510                 ret = -ENOMEM;
511                 goto err_dvb_unregister;
512         }
513
514         ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter.proposed_mac);
515
516         budget->grabbing = saa7146_vmalloc_build_pgtable(dev->pci, budget->buffer_size, &budget->pt);
517         if (NULL == budget->grabbing) {
518                 ret = -ENOMEM;
519                 goto err_del_i2c;
520         }
521
522         saa7146_write(dev, PCI_BT_V1, 0x001c0000);
523         /* upload all */
524         saa7146_write(dev, GPIO_CTRL, 0x000000);
525
526         tasklet_init(&budget->vpe_tasklet, vpeirq, (unsigned long) budget);
527
528         /* frontend power on */
529         if (bi->type != BUDGET_FS_ACTIVY)
530                 saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
531
532         if ((ret = budget_register(budget)) == 0)
533                 return 0; /* Everything OK */
534
535         /* An error occurred, cleanup resources */
536         saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt);
537
538 err_del_i2c:
539         i2c_del_adapter(&budget->i2c_adap);
540
541 err_dvb_unregister:
542         dvb_unregister_adapter(&budget->dvb_adapter);
543
544         return ret;
545 }
546
547 void ttpci_budget_init_hooks(struct budget *budget)
548 {
549         if (budget->dvb_frontend && !budget->read_fe_status) {
550                 budget->read_fe_status = budget->dvb_frontend->ops.read_status;
551                 budget->dvb_frontend->ops.read_status = budget_read_fe_status;
552         }
553 }
554
555 int ttpci_budget_deinit(struct budget *budget)
556 {
557         struct saa7146_dev *dev = budget->dev;
558
559         dprintk(2, "budget: %p\n", budget);
560
561         budget_unregister(budget);
562
563         tasklet_kill(&budget->vpe_tasklet);
564
565         saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt);
566
567         i2c_del_adapter(&budget->i2c_adap);
568
569         dvb_unregister_adapter(&budget->dvb_adapter);
570
571         return 0;
572 }
573
574 void ttpci_budget_irq10_handler(struct saa7146_dev *dev, u32 * isr)
575 {
576         struct budget *budget = (struct budget *) dev->ext_priv;
577
578         dprintk(8, "dev: %p, budget: %p\n", dev, budget);
579
580         if (*isr & MASK_10)
581                 tasklet_schedule(&budget->vpe_tasklet);
582 }
583
584 void ttpci_budget_set_video_port(struct saa7146_dev *dev, int video_port)
585 {
586         struct budget *budget = (struct budget *) dev->ext_priv;
587
588         spin_lock(&budget->feedlock);
589         budget->video_port = video_port;
590         if (budget->feeding) {
591                 stop_ts_capture(budget);
592                 start_ts_capture(budget);
593         }
594         spin_unlock(&budget->feedlock);
595 }
596
597 EXPORT_SYMBOL_GPL(ttpci_budget_debiread);
598 EXPORT_SYMBOL_GPL(ttpci_budget_debiwrite);
599 EXPORT_SYMBOL_GPL(ttpci_budget_init);
600 EXPORT_SYMBOL_GPL(ttpci_budget_init_hooks);
601 EXPORT_SYMBOL_GPL(ttpci_budget_deinit);
602 EXPORT_SYMBOL_GPL(ttpci_budget_irq10_handler);
603 EXPORT_SYMBOL_GPL(ttpci_budget_set_video_port);
604 EXPORT_SYMBOL_GPL(budget_debug);
605
606 MODULE_LICENSE("GPL");