ea27b15007e9352f2de20cd8918264c1b4c4d2a5
[linux-2.6.git] / 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 #include "dvb-bt8xx.h"
36 #include "bt878.h"
37 #include "dvb-pll.h"
38
39 static int debug;
40
41 module_param(debug, int, 0644);
42 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
43
44 #define dprintk( args... ) \
45         do \
46                 if (debug) printk(KERN_DEBUG args); \
47         while (0)
48
49 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
50
51 static void dvb_bt8xx_task(unsigned long data)
52 {
53         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
54
55         //printk("%d ", card->bt->finished_block);
56
57         while (card->bt->last_block != card->bt->finished_block) {
58                 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
59                         (&card->demux,
60                          &card->bt->buf_cpu[card->bt->last_block *
61                                             card->bt->block_bytes],
62                          card->bt->block_bytes);
63                 card->bt->last_block = (card->bt->last_block + 1) %
64                                         card->bt->block_count;
65         }
66 }
67
68 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
69 {
70         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
71         struct dvb_bt8xx_card *card = dvbdmx->priv;
72         int rc;
73
74         dprintk("dvb_bt8xx: start_feed\n");
75
76         if (!dvbdmx->dmx.frontend)
77                 return -EINVAL;
78
79         down(&card->lock);
80         card->nfeeds++;
81         rc = card->nfeeds;
82         if (card->nfeeds == 1)
83                 bt878_start(card->bt, card->gpio_mode,
84                             card->op_sync_orin, card->irq_err_ignore);
85         up(&card->lock);
86         return rc;
87 }
88
89 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
90 {
91         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
92         struct dvb_bt8xx_card *card = dvbdmx->priv;
93
94         dprintk("dvb_bt8xx: stop_feed\n");
95
96         if (!dvbdmx->dmx.frontend)
97                 return -EINVAL;
98
99         down(&card->lock);
100         card->nfeeds--;
101         if (card->nfeeds == 0)
102                 bt878_stop(card->bt);
103         up(&card->lock);
104
105         return 0;
106 }
107
108 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
109 {
110         if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
111                 (adev->subsystem_device == bdev->subsystem_device) &&
112                 (adev->bus->number == bdev->bus->number) &&
113                 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
114                 return 1;
115         return 0;
116 }
117
118 static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
119 {
120         unsigned int card_nr;
121
122         /* Hmm, n squared. Hope n is small */
123         for (card_nr = 0; card_nr < bt878_num; card_nr++)
124                 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
125                         return &bt878[card_nr];
126         return NULL;
127 }
128
129 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
130 {
131         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
132         static u8 mt352_reset [] = { 0x50, 0x80 };
133         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
134         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
135         static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
136         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
137
138         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
139         udelay(2000);
140         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
141         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
142
143         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
144         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
145         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
146
147         return 0;
148 }
149
150 static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
151 {
152         u32 div;
153         unsigned char bs = 0;
154         unsigned char cp = 0;
155
156         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
157
158         if (params->frequency < 542000000)
159                 cp = 0xb4;
160         else if (params->frequency < 771000000)
161                 cp = 0xbc;
162         else
163                 cp = 0xf4;
164
165         if (params->frequency == 0)
166                 bs = 0x03;
167         else if (params->frequency < 443250000)
168                 bs = 0x02;
169         else
170                 bs = 0x08;
171
172         pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
173         pllbuf[1] = div >> 8;
174         pllbuf[2] = div & 0xff;
175         pllbuf[3] = cp;
176         pllbuf[4] = bs;
177
178         return 0;
179 }
180
181 static struct mt352_config thomson_dtt7579_config = {
182         .demod_address = 0x0f,
183         .demod_init = thomson_dtt7579_demod_init,
184         .pll_set = thomson_dtt7579_pll_set,
185 };
186
187 static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
188 {
189         u32 freq = params->frequency;
190
191         int i, a, n, pump;
192         u32 band, pll;
193
194         u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
195                 1576000,1718000,1856000,2036000,2150000};
196         u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
197                 0x00102000,0x00104000,0x00108000,0x00110000,
198                 0x00120000,0x00140000};
199
200         #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
201         printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
202
203         /* This is really the bit driving the tuner chip cx24108 */
204
205         if (freq<950000)
206                 freq = 950000; /* kHz */
207         else if (freq>2150000)
208                 freq = 2150000; /* satellite IF is 950..2150MHz */
209
210         /* decide which VCO to use for the input frequency */
211         for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
212         printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
213         band=bandsel[i];
214         /* the gain values must be set by SetSymbolrate */
215         /* compute the pll divider needed, from Conexant data sheet,
216            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
217            depending on the divider bit. It is set to /4 on the 2 lowest
218            bands  */
219         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
220         a=n%32; n/=32; if(a==0) n--;
221         pump=(freq<(osci[i-1]+osci[i])/2);
222         pll=0xf8000000|
223             ((pump?1:2)<<(14+11))|
224             ((n&0x1ff)<<(5+11))|
225             ((a&0x1f)<<11);
226         /* everything is shifted left 11 bits to left-align the bits in the
227            32bit word. Output to the tuner goes MSB-aligned, after all */
228         printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
229         cx24110_pll_write(fe,band);
230         /* set vga and vca to their widest-band settings, as a precaution.
231            SetSymbolrate might not be called to set this up */
232         cx24110_pll_write(fe,0x500c0000);
233         cx24110_pll_write(fe,0x83f1f800);
234         cx24110_pll_write(fe,pll);
235         //writereg(client,0x56,0x7f);
236
237         return 0;
238 }
239
240 static int pinnsat_pll_init(struct dvb_frontend* fe)
241 {
242         return 0;
243 }
244
245 static struct cx24110_config pctvsat_config = {
246         .demod_address = 0x55,
247         .pll_init = pinnsat_pll_init,
248         .pll_set = cx24108_pll_set,
249 };
250
251 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
252 {
253         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
254         u8 cfg, cpump, band_select;
255         u8 data[4];
256         u32 div;
257         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
258
259         div = (36000000 + params->frequency + 83333) / 166666;
260         cfg = 0x88;
261
262         if (params->frequency < 175000000)
263                 cpump = 2;
264         else if (params->frequency < 390000000)
265                 cpump = 1;
266         else if (params->frequency < 470000000)
267                 cpump = 2;
268         else if (params->frequency < 750000000)
269                 cpump = 2;
270         else
271                 cpump = 3;
272
273         if (params->frequency < 175000000)
274                 band_select = 0x0e;
275         else if (params->frequency < 470000000)
276                 band_select = 0x05;
277         else
278                 band_select = 0x03;
279
280         data[0] = (div >> 8) & 0x7f;
281         data[1] = div & 0xff;
282         data[2] = ((div >> 10) & 0x60) | cfg;
283         data[3] = (cpump << 6) | band_select;
284
285         i2c_transfer(card->i2c_adapter, &msg, 1);
286         return (div * 166666 - 36000000);
287 }
288
289 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
290 {
291         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
292
293         return request_firmware(fw, name, &bt->bt->dev->dev);
294 }
295
296 static struct sp887x_config microtune_mt7202dtf_config = {
297         .demod_address = 0x70,
298         .pll_set = microtune_mt7202dtf_pll_set,
299         .request_firmware = microtune_mt7202dtf_request_firmware,
300 };
301
302 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
303 {
304         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
305         static u8 mt352_reset [] = { 0x50, 0x80 };
306         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
307         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
308                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
309         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
310         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
311
312         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
313         udelay(2000);
314         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
315         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
316
317         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
318         udelay(2000);
319         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
320         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
321
322         return 0;
323 }
324
325 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
326 {
327         u32 div;
328         unsigned char bs = 0;
329         unsigned char cp = 0;
330
331         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
332
333         if (params->frequency < 150000000)
334                 cp = 0xB4;
335         else if (params->frequency < 173000000)
336                 cp = 0xBC;
337         else if (params->frequency < 250000000)
338                 cp = 0xB4;
339         else if (params->frequency < 400000000)
340                 cp = 0xBC;
341         else if (params->frequency < 420000000)
342                 cp = 0xF4;
343         else if (params->frequency < 470000000)
344                 cp = 0xFC;
345         else if (params->frequency < 600000000)
346                 cp = 0xBC;
347         else if (params->frequency < 730000000)
348                 cp = 0xF4;
349         else
350                 cp = 0xFC;
351
352         if (params->frequency < 150000000)
353                 bs = 0x01;
354         else if (params->frequency < 173000000)
355                 bs = 0x01;
356         else if (params->frequency < 250000000)
357                 bs = 0x02;
358         else if (params->frequency < 400000000)
359                 bs = 0x02;
360         else if (params->frequency < 420000000)
361                 bs = 0x02;
362         else if (params->frequency < 470000000)
363                 bs = 0x02;
364         else if (params->frequency < 600000000)
365                 bs = 0x08;
366         else if (params->frequency < 730000000)
367                 bs = 0x08;
368         else
369                 bs = 0x08;
370
371         pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
372         pllbuf[1] = div >> 8;
373         pllbuf[2] = div & 0xff;
374         pllbuf[3] = cp;
375         pllbuf[4] = bs;
376
377         return 0;
378 }
379
380 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
381         .demod_address = 0x0f,
382         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
383         .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
384 };
385
386 static struct dst_config dst_config = {
387         .demod_address = 0x55,
388 };
389
390 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
391 {
392         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
393
394         return request_firmware(fw, name, &bt->bt->dev->dev);
395 }
396
397 static void or51211_setmode(struct dvb_frontend * fe, int mode)
398 {
399         struct dvb_bt8xx_card *bt = fe->dvb->priv;
400         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
401         msleep(20);
402 }
403
404 static void or51211_reset(struct dvb_frontend * fe)
405 {
406         struct dvb_bt8xx_card *bt = fe->dvb->priv;
407
408         /* RESET DEVICE
409          * reset is controled by GPIO-0
410          * when set to 0 causes reset and when to 1 for normal op
411          * must remain reset for 128 clock cycles on a 50Mhz clock
412          * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
413          * We assume that the reset has be held low long enough or we
414          * have been reset by a power on.  When the driver is unloaded
415          * reset set to 0 so if reloaded we have been reset.
416          */
417         /* reset & PRM1,2&4 are outputs */
418         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
419         if (ret != 0)
420                 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
421         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
422         msleep(20);
423         /* Now set for normal operation */
424         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
425         /* wait for operation to begin */
426         msleep(500);
427 }
428
429 static void or51211_sleep(struct dvb_frontend * fe)
430 {
431         struct dvb_bt8xx_card *bt = fe->dvb->priv;
432         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
433 }
434
435 static struct or51211_config or51211_config = {
436         .demod_address = 0x15,
437         .request_firmware = or51211_request_firmware,
438         .setmode = or51211_setmode,
439         .reset = or51211_reset,
440         .sleep = or51211_sleep,
441 };
442
443 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
444 {
445         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
446         u8 buf[4];
447         u32 div;
448         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
449
450         div = (params->frequency + 36166667) / 166667;
451
452         buf[0] = (div >> 8) & 0x7F;
453         buf[1] = div & 0xFF;
454         buf[2] = 0x85;
455         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
456                 buf[3] = 0x01;
457         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
458                 buf[3] = 0x02;
459         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
460                 buf[3] = 0x0C;
461         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
462                 buf[3] = 0x8C;
463         else
464                 return -EINVAL;
465
466         i2c_transfer(card->i2c_adapter, &msg, 1);
467         return 0;
468 }
469
470 static struct nxt6000_config vp3021_alps_tded4_config = {
471         .demod_address = 0x0a,
472         .clock_inversion = 1,
473         .pll_set = vp3021_alps_tded4_pll_set,
474 };
475
476 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
477 {
478         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
479         static u8 mt352_reset [] = { 0x50, 0x80 };
480         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
481         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
482         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
483
484         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
485         udelay(2000);
486         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
487         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
488         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
489         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
490
491         return 0;
492 }
493
494 static int digitv_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
495 {
496         u32 div;
497         struct dvb_ofdm_parameters *op = &params->u.ofdm;
498
499         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
500
501         pllbuf[0] = 0xc2;
502         pllbuf[1] = (div >> 8) & 0x7F;
503         pllbuf[2] = div & 0xFF;
504         pllbuf[3] = 0x85;
505
506         dprintk("frequency %u, div %u\n", params->frequency, div);
507
508         if (params->frequency < 470000000)
509                 pllbuf[4] = 0x02;
510         else if (params->frequency > 823000000)
511                 pllbuf[4] = 0x88;
512         else
513                 pllbuf[4] = 0x08;
514
515         if (op->bandwidth == 8)
516                 pllbuf[4] |= 0x04;
517
518         return 0;
519 }
520
521 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
522 {
523         /*
524          * Reset the frontend, must be called before trying
525          * to initialise the MT352 or mt352_attach
526          * will fail. Same goes for the nxt6000 frontend.
527          *
528          */
529
530         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
531         if (ret != 0)
532                 printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
533
534         /* Pulse the reset line */
535         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
536         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
537         msleep(100);
538
539         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
540 }
541
542 static struct mt352_config digitv_alps_tded4_config = {
543         .demod_address = 0x0a,
544         .demod_init = digitv_alps_tded4_demod_init,
545         .pll_set = digitv_alps_tded4_pll_set,
546 };
547
548 static int tdvs_tua6034_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
549 {
550         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
551         u8 buf[4];
552         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
553         int err;
554
555         dvb_pll_configure(&dvb_pll_tdvs_tua6034, buf, params->frequency, 0);
556         dprintk("%s: tuner at 0x%02x bytes: 0x%02x 0x%02x 0x%02x 0x%02x\n",
557                 __FUNCTION__, msg.addr, buf[0],buf[1],buf[2],buf[3]);
558         if ((err = i2c_transfer(card->i2c_adapter, &msg, 1)) != 1) {
559                 printk(KERN_WARNING "dvb-bt8xx: %s error "
560                         "(addr %02x <- %02x, err = %i)\n",
561                         __FUNCTION__, buf[0], buf[1], err);
562                 if (err < 0)
563                         return err;
564                 else
565                         return -EREMOTEIO;
566         }
567
568         /* Set the Auxiliary Byte. */
569         buf[2] &= ~0x20;
570         buf[2] |= 0x18;
571         buf[3] = 0x50;
572         i2c_transfer(card->i2c_adapter, &msg, 1);
573
574         return 0;
575 }
576
577 static struct lgdt330x_config tdvs_tua6034_config = {
578         .demod_address    = 0x0e,
579         .demod_chip       = LGDT3303,
580         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
581         .pll_set          = tdvs_tua6034_pll_set,
582 };
583
584 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
585 {
586         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
587
588         /* Pulse the reset line */
589         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
590         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
591         msleep(100);
592
593         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
594         msleep(100);
595 }
596
597 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
598 {
599         int ret;
600         struct dst_state* state = NULL;
601
602         switch(type) {
603         case BTTV_BOARD_DVICO_DVBT_LITE:
604                 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
605                 if (card->fe != NULL) {
606                         card->fe->ops->info.frequency_min = 174000000;
607                         card->fe->ops->info.frequency_max = 862000000;
608                 }
609                 break;
610
611         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
612                 lgdt330x_reset(card);
613                 card->fe = lgdt330x_attach(&tdvs_tua6034_config, card->i2c_adapter);
614                 if (card->fe != NULL)
615                         dprintk ("dvb_bt8xx: lgdt330x detected\n");
616                 break;
617
618         case BTTV_BOARD_NEBULA_DIGITV:
619                 /*
620                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
621                  * this would be a cleaner solution than trying each frontend in turn.
622                  */
623
624                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
625                 digitv_alps_tded4_reset(card);
626                 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
627                 if (card->fe != NULL) {
628                         dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
629                         break;
630                 }
631
632                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
633                 digitv_alps_tded4_reset(card);
634                 card->fe = mt352_attach(&digitv_alps_tded4_config, card->i2c_adapter);
635
636                 if (card->fe != NULL)
637                         dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
638                 break;
639
640         case BTTV_BOARD_AVDVBT_761:
641                 card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
642                 break;
643
644         case BTTV_BOARD_AVDVBT_771:
645                 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
646                 if (card->fe != NULL) {
647                         card->fe->ops->info.frequency_min = 174000000;
648                         card->fe->ops->info.frequency_max = 862000000;
649                 }
650                 break;
651
652         case BTTV_BOARD_TWINHAN_DST:
653                 /*      DST is not a frontend driver !!!                */
654                 state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
655                 /*      Setup the Card                                  */
656                 state->config = &dst_config;
657                 state->i2c = card->i2c_adapter;
658                 state->bt = card->bt;
659
660                 /*      DST is not a frontend, attaching the ASIC       */
661                 if ((dst_attach(state, &card->dvb_adapter)) == NULL) {
662                         printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
663                         break;
664                 }
665                 card->fe = &state->frontend;
666
667                 /*      Attach other DST peripherals if any             */
668                 /*      Conditional Access device                       */
669                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
670                         ret = dst_ca_attach(state, &card->dvb_adapter);
671                 break;
672
673         case BTTV_BOARD_PINNACLESAT:
674                 card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
675                 break;
676
677         case BTTV_BOARD_PC_HDTV:
678                 card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
679                 break;
680         }
681
682         if (card->fe == NULL)
683                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
684                        card->bt->dev->vendor,
685                        card->bt->dev->device,
686                        card->bt->dev->subsystem_vendor,
687                        card->bt->dev->subsystem_device);
688         else
689                 if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
690                         printk("dvb-bt8xx: Frontend registration failed!\n");
691                         if (card->fe->ops->release)
692                                 card->fe->ops->release(card->fe);
693                         card->fe = NULL;
694                 }
695 }
696
697 static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
698 {
699         int result;
700
701         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE)) < 0) {
702                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
703                 return result;
704         }
705         card->dvb_adapter.priv = card;
706
707         card->bt->adapter = card->i2c_adapter;
708
709         memset(&card->demux, 0, sizeof(struct dvb_demux));
710
711         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
712
713         card->demux.priv = card;
714         card->demux.filternum = 256;
715         card->demux.feednum = 256;
716         card->demux.start_feed = dvb_bt8xx_start_feed;
717         card->demux.stop_feed = dvb_bt8xx_stop_feed;
718         card->demux.write_to_decoder = NULL;
719
720         if ((result = dvb_dmx_init(&card->demux)) < 0) {
721                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
722
723                 dvb_unregister_adapter(&card->dvb_adapter);
724                 return result;
725         }
726
727         card->dmxdev.filternum = 256;
728         card->dmxdev.demux = &card->demux.dmx;
729         card->dmxdev.capabilities = 0;
730
731         if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
732                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
733
734                 dvb_dmx_release(&card->demux);
735                 dvb_unregister_adapter(&card->dvb_adapter);
736                 return result;
737         }
738
739         card->fe_hw.source = DMX_FRONTEND_0;
740
741         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
742                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
743
744                 dvb_dmxdev_release(&card->dmxdev);
745                 dvb_dmx_release(&card->demux);
746                 dvb_unregister_adapter(&card->dvb_adapter);
747                 return result;
748         }
749
750         card->fe_mem.source = DMX_MEMORY_FE;
751
752         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
753                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
754
755                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
756                 dvb_dmxdev_release(&card->dmxdev);
757                 dvb_dmx_release(&card->demux);
758                 dvb_unregister_adapter(&card->dvb_adapter);
759                 return result;
760         }
761
762         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
763                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
764
765                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
766                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
767                 dvb_dmxdev_release(&card->dmxdev);
768                 dvb_dmx_release(&card->demux);
769                 dvb_unregister_adapter(&card->dvb_adapter);
770                 return result;
771         }
772
773         dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
774
775         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
776
777         frontend_init(card, type);
778
779         return 0;
780 }
781
782 static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
783 {
784         struct dvb_bt8xx_card *card;
785         struct pci_dev* bttv_pci_dev;
786         int ret;
787
788         if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
789                 return -ENOMEM;
790
791         init_MUTEX(&card->lock);
792         card->bttv_nr = sub->core->nr;
793         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
794         card->i2c_adapter = &sub->core->i2c_adap;
795
796         switch(sub->core->type) {
797         case BTTV_BOARD_PINNACLESAT:
798                 card->gpio_mode = 0x0400c060;
799                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
800                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
801                 card->op_sync_orin = 0;
802                 card->irq_err_ignore = 0;
803                 break;
804
805         case BTTV_BOARD_DVICO_DVBT_LITE:
806                 card->gpio_mode = 0x0400C060;
807                 card->op_sync_orin = 0;
808                 card->irq_err_ignore = 0;
809                 /* 26, 15, 14, 6, 5
810                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
811                  * DA_APP(parallel) */
812                 break;
813
814         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
815                 card->gpio_mode = 0x0400c060;
816                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
817                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
818                 break;
819
820         case BTTV_BOARD_NEBULA_DIGITV:
821         case BTTV_BOARD_AVDVBT_761:
822                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
823                 card->op_sync_orin = 0;
824                 card->irq_err_ignore = 0;
825                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
826                 break;
827
828         case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
829                 card->gpio_mode = 0x0400402B;
830                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
831                 card->irq_err_ignore = 0;
832                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
833                 break;
834
835         case BTTV_BOARD_TWINHAN_DST:
836                 card->gpio_mode = 0x2204f2c;
837                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
838                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
839                                        BT878_APPERR | BT878_AFBUS;
840                 /* 25,21,14,11,10,9,8,3,2 then
841                  * 0x33 = 5,4,1,0
842                  * A_SEL=SML, DA_MLB, DA_SBR,
843                  * DA_SDR=f, fifo trigger = 32 DWORDS
844                  * IOM = 0 == audio A/D
845                  * DPM = 0 == digital audio mode
846                  * == async data parallel port
847                  * then 0x33 (13 is set by start_capture)
848                  * DA_APP = async data parallel port,
849                  * ACAP_EN = 1,
850                  * RISC+FIFO ENABLE */
851                 break;
852
853         case BTTV_BOARD_PC_HDTV:
854                 card->gpio_mode = 0x0100EC7B;
855                 card->op_sync_orin = 0;
856                 card->irq_err_ignore = 0;
857                 break;
858
859         default:
860                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
861                                 sub->core->type);
862                 kfree(card);
863                 return -ENODEV;
864         }
865
866         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
867
868         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
869                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
870                 kfree(card);
871                 return -EFAULT;
872         }
873
874         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
875                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
876                        card->bttv_nr);
877                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
878                        "installed, try removing it.\n");
879
880                 kfree(card);
881                 return -EFAULT;
882         }
883
884         init_MUTEX(&card->bt->gpio_lock);
885         card->bt->bttv_nr = sub->core->nr;
886
887         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
888                 kfree(card);
889                 return ret;
890         }
891
892         dev_set_drvdata(&sub->dev, card);
893         return 0;
894 }
895
896 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
897 {
898         struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
899
900         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
901
902         bt878_stop(card->bt);
903         tasklet_kill(&card->bt->tasklet);
904         dvb_net_release(&card->dvbnet);
905         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
906         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
907         dvb_dmxdev_release(&card->dmxdev);
908         dvb_dmx_release(&card->demux);
909         if (card->fe)
910                 dvb_unregister_frontend(card->fe);
911         dvb_unregister_adapter(&card->dvb_adapter);
912
913         kfree(card);
914 }
915
916 static struct bttv_sub_driver driver = {
917         .drv = {
918                 .name           = "dvb-bt8xx",
919         },
920         .probe          = dvb_bt8xx_probe,
921         .remove         = dvb_bt8xx_remove,
922         /* FIXME:
923          * .shutdown    = dvb_bt8xx_shutdown,
924          * .suspend     = dvb_bt8xx_suspend,
925          * .resume      = dvb_bt8xx_resume,
926          */
927 };
928
929 static int __init dvb_bt8xx_init(void)
930 {
931         return bttv_sub_register(&driver, "dvb");
932 }
933
934 static void __exit dvb_bt8xx_exit(void)
935 {
936         bttv_sub_unregister(&driver);
937 }
938
939 module_init(dvb_bt8xx_init);
940 module_exit(dvb_bt8xx_exit);
941
942 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
943 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
944 MODULE_LICENSE("GPL");