b735397f59aad475beae62dc744badf5633c0799
[safe/jmp/linux-2.6] / drivers / media / dvb / bt8xx / dvb-bt8xx.c
1 /*
2  * Bt8xx based DVB adapter driver
3  *
4  * Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.org>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  *
20  */
21
22 #include <linux/bitops.h>
23 #include <linux/module.h>
24 #include <linux/moduleparam.h>
25 #include <linux/init.h>
26 #include <linux/device.h>
27 #include <linux/delay.h>
28 #include <linux/slab.h>
29 #include <linux/i2c.h>
30
31 #include "dmxdev.h"
32 #include "dvbdev.h"
33 #include "dvb_demux.h"
34 #include "dvb_frontend.h"
35
36 #include "dvb-bt8xx.h"
37
38 #include "bt878.h"
39
40 static int debug;
41
42 module_param(debug, int, 0644);
43 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
44
45 #define dprintk( args... ) \
46         do { \
47                 if (debug) printk(KERN_DEBUG args); \
48         } while (0)
49
50 static void dvb_bt8xx_task(unsigned long data)
51 {
52         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
53
54         //printk("%d ", card->bt->finished_block);
55
56         while (card->bt->last_block != card->bt->finished_block) {
57                 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
58                         (&card->demux,
59                          &card->bt->buf_cpu[card->bt->last_block *
60                                             card->bt->block_bytes],
61                          card->bt->block_bytes);
62                 card->bt->last_block = (card->bt->last_block + 1) %
63                                         card->bt->block_count;
64         }
65 }
66
67 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
68 {
69         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
70         struct dvb_bt8xx_card *card = dvbdmx->priv;
71         int rc;
72
73         dprintk("dvb_bt8xx: start_feed\n");
74
75         if (!dvbdmx->dmx.frontend)
76                 return -EINVAL;
77
78         down(&card->lock);
79         card->nfeeds++;
80         rc = card->nfeeds;
81         if (card->nfeeds == 1)
82                 bt878_start(card->bt, card->gpio_mode,
83                             card->op_sync_orin, card->irq_err_ignore);
84         up(&card->lock);
85         return rc;
86 }
87
88 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
89 {
90         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
91         struct dvb_bt8xx_card *card = dvbdmx->priv;
92
93         dprintk("dvb_bt8xx: stop_feed\n");
94
95         if (!dvbdmx->dmx.frontend)
96                 return -EINVAL;
97
98         down(&card->lock);
99         card->nfeeds--;
100         if (card->nfeeds == 0)
101                 bt878_stop(card->bt);
102         up(&card->lock);
103
104         return 0;
105 }
106
107 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
108 {
109         if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
110                 (adev->subsystem_device == bdev->subsystem_device) &&
111                 (adev->bus->number == bdev->bus->number) &&
112                 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
113                 return 1;
114         return 0;
115 }
116
117 static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
118 {
119         unsigned int card_nr;
120
121         /* Hmm, n squared. Hope n is small */
122         for (card_nr = 0; card_nr < bt878_num; card_nr++) {
123                 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
124                         return &bt878[card_nr];
125         }
126         return NULL;
127 }
128
129
130 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
131 {
132         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
133         static u8 mt352_reset [] = { 0x50, 0x80 };
134         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
135         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
136         static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
137         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
138
139         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
140         udelay(2000);
141         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
142         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
143
144         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
145         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
146         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
147
148         return 0;
149 }
150
151 static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
152 {
153         u32 div;
154         unsigned char bs = 0;
155         unsigned char cp = 0;
156
157         #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
158         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
159
160         if (params->frequency < 542000000) cp = 0xb4;
161         else if (params->frequency < 771000000) cp = 0xbc;
162         else cp = 0xf4;
163
164         if (params->frequency == 0) bs = 0x03;
165         else if (params->frequency < 443250000) bs = 0x02;
166         else bs = 0x08;
167
168         pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
169         pllbuf[1] = div >> 8;
170         pllbuf[2] = div & 0xff;
171         pllbuf[3] = cp;
172         pllbuf[4] = bs;
173
174         return 0;
175 }
176
177 static struct mt352_config thomson_dtt7579_config = {
178
179         .demod_address = 0x0f,
180         .demod_init = thomson_dtt7579_demod_init,
181         .pll_set = thomson_dtt7579_pll_set,
182 };
183
184 static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
185 {
186    u32 freq = params->frequency;
187
188    int i, a, n, pump;
189    u32 band, pll;
190
191
192    u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
193                1576000,1718000,1856000,2036000,2150000};
194    u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
195                0x00102000,0x00104000,0x00108000,0x00110000,
196                0x00120000,0x00140000};
197
198 #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
199         printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
200
201         /* This is really the bit driving the tuner chip cx24108 */
202
203         if(freq<950000) freq=950000; /* kHz */
204         if(freq>2150000) freq=2150000; /* satellite IF is 950..2150MHz */
205
206         /* decide which VCO to use for the input frequency */
207         for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
208         printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
209         band=bandsel[i];
210         /* the gain values must be set by SetSymbolrate */
211         /* compute the pll divider needed, from Conexant data sheet,
212            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
213            depending on the divider bit. It is set to /4 on the 2 lowest
214            bands  */
215         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
216         a=n%32; n/=32; if(a==0) n--;
217         pump=(freq<(osci[i-1]+osci[i])/2);
218         pll=0xf8000000|
219             ((pump?1:2)<<(14+11))|
220             ((n&0x1ff)<<(5+11))|
221             ((a&0x1f)<<11);
222         /* everything is shifted left 11 bits to left-align the bits in the
223            32bit word. Output to the tuner goes MSB-aligned, after all */
224         printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
225         cx24110_pll_write(fe,band);
226         /* set vga and vca to their widest-band settings, as a precaution.
227            SetSymbolrate might not be called to set this up */
228         cx24110_pll_write(fe,0x500c0000);
229         cx24110_pll_write(fe,0x83f1f800);
230         cx24110_pll_write(fe,pll);
231 /*        writereg(client,0x56,0x7f);*/
232
233         return 0;
234 }
235
236 static int pinnsat_pll_init(struct dvb_frontend* fe)
237 {
238    return 0;
239 }
240
241
242 static struct cx24110_config pctvsat_config = {
243
244         .demod_address = 0x55,
245         .pll_init = pinnsat_pll_init,
246         .pll_set = cx24108_pll_set,
247 };
248
249
250 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
251 {
252         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
253         u8 cfg, cpump, band_select;
254         u8 data[4];
255         u32 div;
256         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
257
258         div = (36000000 + params->frequency + 83333) / 166666;
259         cfg = 0x88;
260
261         if (params->frequency < 175000000) cpump = 2;
262         else if (params->frequency < 390000000) cpump = 1;
263         else if (params->frequency < 470000000) cpump = 2;
264         else if (params->frequency < 750000000) cpump = 2;
265         else cpump = 3;
266
267         if (params->frequency < 175000000) band_select = 0x0e;
268         else if (params->frequency < 470000000) band_select = 0x05;
269         else band_select = 0x03;
270
271         data[0] = (div >> 8) & 0x7f;
272         data[1] = div & 0xff;
273         data[2] = ((div >> 10) & 0x60) | cfg;
274         data[3] = cpump | band_select;
275
276         i2c_transfer(card->i2c_adapter, &msg, 1);
277         return (div * 166666 - 36000000);
278 }
279
280 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
281 {
282         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
283
284         return request_firmware(fw, name, &bt->bt->dev->dev);
285 }
286
287 static struct sp887x_config microtune_mt7202dtf_config = {
288
289         .demod_address = 0x70,
290         .pll_set = microtune_mt7202dtf_pll_set,
291         .request_firmware = microtune_mt7202dtf_request_firmware,
292 };
293
294
295
296 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
297 {
298         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
299         static u8 mt352_reset [] = { 0x50, 0x80 };
300         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
301         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
302                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
303         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
304         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
305
306
307         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
308         udelay(2000);
309         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
310         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
311
312         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
313         udelay(2000);
314         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
315         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
316
317         return 0;
318 }
319
320 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
321 {
322         u32 div;
323         unsigned char bs = 0;
324         unsigned char cp = 0;
325
326         #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
327         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
328
329         if (params->frequency < 150000000) cp = 0xB4;
330         else if (params->frequency < 173000000) cp = 0xBC;
331         else if (params->frequency < 250000000) cp = 0xB4;
332         else if (params->frequency < 400000000) cp = 0xBC;
333         else if (params->frequency < 420000000) cp = 0xF4;
334         else if (params->frequency < 470000000) cp = 0xFC;
335         else if (params->frequency < 600000000) cp = 0xBC;
336         else if (params->frequency < 730000000) cp = 0xF4;
337         else cp = 0xFC;
338
339         if (params->frequency < 150000000) bs = 0x01;
340         else if (params->frequency < 173000000) bs = 0x01;
341         else if (params->frequency < 250000000) bs = 0x02;
342         else if (params->frequency < 400000000) bs = 0x02;
343         else if (params->frequency < 420000000) bs = 0x02;
344         else if (params->frequency < 470000000) bs = 0x02;
345         else if (params->frequency < 600000000) bs = 0x08;
346         else if (params->frequency < 730000000) bs = 0x08;
347         else bs = 0x08;
348
349         pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
350         pllbuf[1] = div >> 8;
351         pllbuf[2] = div & 0xff;
352         pllbuf[3] = cp;
353         pllbuf[4] = bs;
354
355         return 0;
356 }
357
358 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
359
360         .demod_address = 0x0f,
361         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
362         .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
363 };
364
365
366 static struct dst_config dst_config = {
367
368         .demod_address = 0x55,
369 };
370
371
372 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
373 {
374         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
375
376         return request_firmware(fw, name, &bt->bt->dev->dev);
377 }
378
379 static void or51211_setmode(struct dvb_frontend * fe, int mode)
380 {
381         struct dvb_bt8xx_card *bt = fe->dvb->priv;
382         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
383         msleep(20);
384 }
385
386 static void or51211_reset(struct dvb_frontend * fe)
387 {
388         struct dvb_bt8xx_card *bt = fe->dvb->priv;
389
390         /* RESET DEVICE
391          * reset is controled by GPIO-0
392          * when set to 0 causes reset and when to 1 for normal op
393          * must remain reset for 128 clock cycles on a 50Mhz clock
394          * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
395          * We assume that the reset has be held low long enough or we
396          * have been reset by a power on.  When the driver is unloaded
397          * reset set to 0 so if reloaded we have been reset.
398          */
399         /* reset & PRM1,2&4 are outputs */
400         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
401         if (ret != 0) {
402                 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR "
403                        "(%i)\n", ret);
404         }
405         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
406         msleep(20);
407         /* Now set for normal operation */
408         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
409         /* wait for operation to begin */
410         msleep(500);
411 }
412
413 static void or51211_sleep(struct dvb_frontend * fe)
414 {
415         struct dvb_bt8xx_card *bt = fe->dvb->priv;
416         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
417 }
418
419 static struct or51211_config or51211_config = {
420
421         .demod_address = 0x15,
422         .request_firmware = or51211_request_firmware,
423         .setmode = or51211_setmode,
424         .reset = or51211_reset,
425         .sleep = or51211_sleep,
426 };
427
428
429 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
430 {
431         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
432         u8 buf[4];
433         u32 div;
434         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
435
436         div = (params->frequency + 36166667) / 166667;
437
438         buf[0] = (div >> 8) & 0x7F;
439         buf[1] = div & 0xFF;
440         buf[2] = 0x85;
441         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
442                 buf[3] = 0x01;
443         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
444                 buf[3] = 0x02;
445         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
446                 buf[3] = 0x0C;
447         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
448                 buf[3] = 0x8C;
449         else
450                 return -EINVAL;
451
452         i2c_transfer(card->i2c_adapter, &msg, 1);
453         return 0;
454 }
455
456 static struct nxt6000_config vp3021_alps_tded4_config = {
457
458         .demod_address = 0x0a,
459         .clock_inversion = 1,
460         .pll_set = vp3021_alps_tded4_pll_set,
461 };
462
463
464 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
465 {
466         switch(type) {
467 #ifdef BTTV_DVICO_DVBT_LITE
468         case BTTV_DVICO_DVBT_LITE:
469                 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
470                 if (card->fe != NULL) {
471                         card->fe->ops->info.frequency_min = 174000000;
472                         card->fe->ops->info.frequency_max = 862000000;
473                         break;
474                 }
475                 break;
476 #endif
477
478 #ifdef BTTV_TWINHAN_VP3021
479         case BTTV_TWINHAN_VP3021:
480 #else
481         case BTTV_NEBULA_DIGITV:
482 #endif
483                 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
484                 if (card->fe != NULL) {
485                         break;
486                 }
487                 break;
488
489         case BTTV_AVDVBT_761:
490                 card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
491                 if (card->fe != NULL) {
492                         break;
493                 }
494                 break;
495
496         case BTTV_AVDVBT_771:
497                 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
498                 if (card->fe != NULL) {
499                         card->fe->ops->info.frequency_min = 174000000;
500                         card->fe->ops->info.frequency_max = 862000000;
501                         break;
502                 }
503                 break;
504
505         case BTTV_TWINHAN_DST:
506                 card->fe = dst_attach(&dst_config, card->i2c_adapter, card->bt);
507                 if (card->fe != NULL) {
508                         break;
509                 }
510                 break;
511
512         case BTTV_PINNACLESAT:
513                 card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
514                 if (card->fe != NULL) {
515                         break;
516                 }
517                 break;
518
519         case BTTV_PC_HDTV:
520                 card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
521                 if (card->fe != NULL) {
522                         break;
523                 }
524                 break;
525         }
526
527         if (card->fe == NULL) {
528                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
529                        card->bt->dev->vendor,
530                        card->bt->dev->device,
531                        card->bt->dev->subsystem_vendor,
532                        card->bt->dev->subsystem_device);
533         } else {
534                 if (dvb_register_frontend(card->dvb_adapter, card->fe)) {
535                         printk("dvb-bt8xx: Frontend registration failed!\n");
536                         if (card->fe->ops->release)
537                                 card->fe->ops->release(card->fe);
538                         card->fe = NULL;
539                 }
540         }
541 }
542
543 static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
544 {
545         int result;
546
547         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
548                                            THIS_MODULE)) < 0) {
549                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
550                 return result;
551
552         }
553         card->dvb_adapter->priv = card;
554
555         card->bt->adapter = card->i2c_adapter;
556
557         memset(&card->demux, 0, sizeof(struct dvb_demux));
558
559         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
560
561         card->demux.priv = card;
562         card->demux.filternum = 256;
563         card->demux.feednum = 256;
564         card->demux.start_feed = dvb_bt8xx_start_feed;
565         card->demux.stop_feed = dvb_bt8xx_stop_feed;
566         card->demux.write_to_decoder = NULL;
567
568         if ((result = dvb_dmx_init(&card->demux)) < 0) {
569                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
570
571                 dvb_unregister_adapter(card->dvb_adapter);
572                 return result;
573         }
574
575         card->dmxdev.filternum = 256;
576         card->dmxdev.demux = &card->demux.dmx;
577         card->dmxdev.capabilities = 0;
578
579         if ((result = dvb_dmxdev_init(&card->dmxdev, card->dvb_adapter)) < 0) {
580                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
581
582                 dvb_dmx_release(&card->demux);
583                 dvb_unregister_adapter(card->dvb_adapter);
584                 return result;
585         }
586
587         card->fe_hw.source = DMX_FRONTEND_0;
588
589         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
590                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
591
592                 dvb_dmxdev_release(&card->dmxdev);
593                 dvb_dmx_release(&card->demux);
594                 dvb_unregister_adapter(card->dvb_adapter);
595                 return result;
596         }
597
598         card->fe_mem.source = DMX_MEMORY_FE;
599
600         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
601                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
602
603                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
604                 dvb_dmxdev_release(&card->dmxdev);
605                 dvb_dmx_release(&card->demux);
606                 dvb_unregister_adapter(card->dvb_adapter);
607                 return result;
608         }
609
610         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
611                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
612
613                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
614                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
615                 dvb_dmxdev_release(&card->dmxdev);
616                 dvb_dmx_release(&card->demux);
617                 dvb_unregister_adapter(card->dvb_adapter);
618                 return result;
619         }
620
621         dvb_net_init(card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
622
623         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
624
625         frontend_init(card, type);
626
627         return 0;
628 }
629
630 static int dvb_bt8xx_probe(struct device *dev)
631 {
632         struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
633         struct dvb_bt8xx_card *card;
634         struct pci_dev* bttv_pci_dev;
635         int ret;
636
637         if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
638                 return -ENOMEM;
639
640         memset(card, 0, sizeof(*card));
641         init_MUTEX(&card->lock);
642         card->bttv_nr = sub->core->nr;
643         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
644         card->i2c_adapter = &sub->core->i2c_adap;
645
646         switch(sub->core->type)
647         {
648         case BTTV_PINNACLESAT:
649                 card->gpio_mode = 0x0400c060;
650                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
651                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
652                 card->op_sync_orin = 0;
653                 card->irq_err_ignore = 0;
654                 break;
655
656 #ifdef BTTV_DVICO_DVBT_LITE
657         case BTTV_DVICO_DVBT_LITE:
658 #endif
659                 card->gpio_mode = 0x0400C060;
660                 card->op_sync_orin = 0;
661                 card->irq_err_ignore = 0;
662                 /* 26, 15, 14, 6, 5
663                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
664                  * DA_APP(parallel) */
665                 break;
666
667 #ifdef BTTV_TWINHAN_VP3021
668         case BTTV_TWINHAN_VP3021:
669 #else
670         case BTTV_NEBULA_DIGITV:
671 #endif
672         case BTTV_AVDVBT_761:
673                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
674                 card->op_sync_orin = 0;
675                 card->irq_err_ignore = 0;
676                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
677                 break;
678
679         case BTTV_AVDVBT_771: //case 0x07711461:
680                 card->gpio_mode = 0x0400402B;
681                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
682                 card->irq_err_ignore = 0;
683                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
684                 break;
685
686         case BTTV_TWINHAN_DST:
687                 card->gpio_mode = 0x2204f2c;
688                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
689                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
690                                        BT878_APPERR | BT878_AFBUS;
691                 /* 25,21,14,11,10,9,8,3,2 then
692                  * 0x33 = 5,4,1,0
693                  * A_SEL=SML, DA_MLB, DA_SBR,
694                  * DA_SDR=f, fifo trigger = 32 DWORDS
695                  * IOM = 0 == audio A/D
696                  * DPM = 0 == digital audio mode
697                  * == async data parallel port
698                  * then 0x33 (13 is set by start_capture)
699                  * DA_APP = async data parallel port,
700                  * ACAP_EN = 1,
701                  * RISC+FIFO ENABLE */
702                 break;
703
704         case BTTV_PC_HDTV:
705                 card->gpio_mode = 0x0100EC7B;
706                 card->op_sync_orin = 0;
707                 card->irq_err_ignore = 0;
708                 break;
709
710         default:
711                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
712                                 sub->core->type);
713                 kfree(card);
714                 return -ENODEV;
715         }
716
717         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
718
719         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
720                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
721                 kfree(card);
722                 return -EFAULT;
723         }
724
725         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
726                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
727                        card->bttv_nr);
728                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
729                        "installed, try removing it.\n");
730
731                 kfree(card);
732                 return -EFAULT;
733
734         }
735
736         init_MUTEX(&card->bt->gpio_lock);
737         card->bt->bttv_nr = sub->core->nr;
738
739         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
740                 kfree(card);
741                 return ret;
742         }
743
744         dev_set_drvdata(dev, card);
745         return 0;
746 }
747
748 static int dvb_bt8xx_remove(struct device *dev)
749 {
750         struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
751
752         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
753
754         bt878_stop(card->bt);
755         tasklet_kill(&card->bt->tasklet);
756         dvb_net_release(&card->dvbnet);
757         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
758         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
759         dvb_dmxdev_release(&card->dmxdev);
760         dvb_dmx_release(&card->demux);
761         if (card->fe) dvb_unregister_frontend(card->fe);
762         dvb_unregister_adapter(card->dvb_adapter);
763
764         kfree(card);
765
766         return 0;
767 }
768
769 static struct bttv_sub_driver driver = {
770         .drv = {
771                 .name           = "dvb-bt8xx",
772                 .probe          = dvb_bt8xx_probe,
773                 .remove         = dvb_bt8xx_remove,
774                 /* FIXME:
775                  * .shutdown    = dvb_bt8xx_shutdown,
776                  * .suspend     = dvb_bt8xx_suspend,
777                  * .resume      = dvb_bt8xx_resume,
778                  */
779         },
780 };
781
782 static int __init dvb_bt8xx_init(void)
783 {
784         return bttv_sub_register(&driver, "dvb");
785 }
786
787 static void __exit dvb_bt8xx_exit(void)
788 {
789         bttv_sub_unregister(&driver);
790 }
791
792 module_init(dvb_bt8xx_init);
793 module_exit(dvb_bt8xx_exit);
794
795 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
796 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
797 MODULE_LICENSE("GPL");