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 #define pr_fmt(fmt) "dvb_bt8xx: " fmt
23 
24 #include <linux/bitops.h>
25 #include <linux/module.h>
26 #include <linux/init.h>
27 #include <linux/kernel.h>
28 #include <linux/device.h>
29 #include <linux/delay.h>
30 #include <linux/slab.h>
31 #include <linux/i2c.h>
32 
33 #include "dmxdev.h"
34 #include "dvbdev.h"
35 #include "dvb_demux.h"
36 #include "dvb_frontend.h"
37 #include "dvb-bt8xx.h"
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 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
46 
47 #define dprintk( args... ) \
48 	do { \
49 		if (debug) printk(KERN_DEBUG args); \
50 	} while (0)
51 
52 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
53 
54 static void dvb_bt8xx_task(unsigned long data)
55 {
56 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
57 
58 	//printk("%d ", card->bt->finished_block);
59 
60 	while (card->bt->last_block != card->bt->finished_block) {
61 		(card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
62 			(&card->demux,
63 			 &card->bt->buf_cpu[card->bt->last_block *
64 					    card->bt->block_bytes],
65 			 card->bt->block_bytes);
66 		card->bt->last_block = (card->bt->last_block + 1) %
67 					card->bt->block_count;
68 	}
69 }
70 
71 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
72 {
73 	struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
74 	struct dvb_bt8xx_card *card = dvbdmx->priv;
75 	int rc;
76 
77 	dprintk("dvb_bt8xx: start_feed\n");
78 
79 	if (!dvbdmx->dmx.frontend)
80 		return -EINVAL;
81 
82 	mutex_lock(&card->lock);
83 	card->nfeeds++;
84 	rc = card->nfeeds;
85 	if (card->nfeeds == 1)
86 		bt878_start(card->bt, card->gpio_mode,
87 			    card->op_sync_orin, card->irq_err_ignore);
88 	mutex_unlock(&card->lock);
89 	return rc;
90 }
91 
92 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
93 {
94 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
95 	struct dvb_bt8xx_card *card = dvbdmx->priv;
96 
97 	dprintk("dvb_bt8xx: stop_feed\n");
98 
99 	if (!dvbdmx->dmx.frontend)
100 		return -EINVAL;
101 
102 	mutex_lock(&card->lock);
103 	card->nfeeds--;
104 	if (card->nfeeds == 0)
105 		bt878_stop(card->bt);
106 	mutex_unlock(&card->lock);
107 
108 	return 0;
109 }
110 
111 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
112 {
113 	if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
114 		(adev->subsystem_device == bdev->subsystem_device) &&
115 		(adev->bus->number == bdev->bus->number) &&
116 		(PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
117 		return 1;
118 	return 0;
119 }
120 
121 static struct bt878 __devinit *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
122 {
123 	unsigned int card_nr;
124 
125 	/* Hmm, n squared. Hope n is small */
126 	for (card_nr = 0; card_nr < bt878_num; card_nr++)
127 		if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
128 			return &bt878[card_nr];
129 	return NULL;
130 }
131 
132 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
133 {
134 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
135 	static u8 mt352_reset [] = { 0x50, 0x80 };
136 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
137 	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
138 	static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
139 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
140 
141 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
142 	udelay(2000);
143 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
144 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
145 
146 	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
147 	mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
148 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
149 
150 	return 0;
151 }
152 
153 static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend *fe, u8* pllbuf, int buf_len)
154 {
155 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
156 	u32 div;
157 	unsigned char bs = 0;
158 	unsigned char cp = 0;
159 
160 	if (buf_len < 5)
161 		return -EINVAL;
162 
163 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
164 
165 	if (c->frequency < 542000000)
166 		cp = 0xb4;
167 	else if (c->frequency < 771000000)
168 		cp = 0xbc;
169 	else
170 		cp = 0xf4;
171 
172 	if (c->frequency == 0)
173 		bs = 0x03;
174 	else if (c->frequency < 443250000)
175 		bs = 0x02;
176 	else
177 		bs = 0x08;
178 
179 	pllbuf[0] = 0x60;
180 	pllbuf[1] = div >> 8;
181 	pllbuf[2] = div & 0xff;
182 	pllbuf[3] = cp;
183 	pllbuf[4] = bs;
184 
185 	return 5;
186 }
187 
188 static struct mt352_config thomson_dtt7579_config = {
189 	.demod_address = 0x0f,
190 	.demod_init = thomson_dtt7579_demod_init,
191 };
192 
193 static struct zl10353_config thomson_dtt7579_zl10353_config = {
194 	.demod_address = 0x0f,
195 };
196 
197 static int cx24108_tuner_set_params(struct dvb_frontend *fe)
198 {
199 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
200 	u32 freq = c->frequency;
201 	int i, a, n, pump;
202 	u32 band, pll;
203 	u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
204 		1576000,1718000,1856000,2036000,2150000};
205 	u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
206 		0x00102000,0x00104000,0x00108000,0x00110000,
207 		0x00120000,0x00140000};
208 
209 	#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
210 	dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
211 
212 	/* This is really the bit driving the tuner chip cx24108 */
213 
214 	if (freq<950000)
215 		freq = 950000; /* kHz */
216 	else if (freq>2150000)
217 		freq = 2150000; /* satellite IF is 950..2150MHz */
218 
219 	/* decide which VCO to use for the input frequency */
220 	for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
221 	dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
222 	band=bandsel[i];
223 	/* the gain values must be set by SetSymbolrate */
224 	/* compute the pll divider needed, from Conexant data sheet,
225 	   resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
226 	   depending on the divider bit. It is set to /4 on the 2 lowest
227 	   bands  */
228 	n=((i<=2?2:1)*freq*10L)/(XTAL/100);
229 	a=n%32; n/=32; if(a==0) n--;
230 	pump=(freq<(osci[i-1]+osci[i])/2);
231 	pll=0xf8000000|
232 	    ((pump?1:2)<<(14+11))|
233 	    ((n&0x1ff)<<(5+11))|
234 	    ((a&0x1f)<<11);
235 	/* everything is shifted left 11 bits to left-align the bits in the
236 	   32bit word. Output to the tuner goes MSB-aligned, after all */
237 	dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
238 	cx24110_pll_write(fe,band);
239 	/* set vga and vca to their widest-band settings, as a precaution.
240 	   SetSymbolrate might not be called to set this up */
241 	cx24110_pll_write(fe,0x500c0000);
242 	cx24110_pll_write(fe,0x83f1f800);
243 	cx24110_pll_write(fe,pll);
244 	//writereg(client,0x56,0x7f);
245 
246 	return 0;
247 }
248 
249 static int pinnsat_tuner_init(struct dvb_frontend* fe)
250 {
251 	struct dvb_bt8xx_card *card = fe->dvb->priv;
252 
253 	bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
254 	bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
255 
256 	return 0;
257 }
258 
259 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
260 {
261 	struct dvb_bt8xx_card *card = fe->dvb->priv;
262 
263 	bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
264 
265 	return 0;
266 }
267 
268 static struct cx24110_config pctvsat_config = {
269 	.demod_address = 0x55,
270 };
271 
272 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
273 {
274 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
275 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
276 	u8 cfg, cpump, band_select;
277 	u8 data[4];
278 	u32 div;
279 	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
280 
281 	div = (36000000 + c->frequency + 83333) / 166666;
282 	cfg = 0x88;
283 
284 	if (c->frequency < 175000000)
285 		cpump = 2;
286 	else if (c->frequency < 390000000)
287 		cpump = 1;
288 	else if (c->frequency < 470000000)
289 		cpump = 2;
290 	else if (c->frequency < 750000000)
291 		cpump = 2;
292 	else
293 		cpump = 3;
294 
295 	if (c->frequency < 175000000)
296 		band_select = 0x0e;
297 	else if (c->frequency < 470000000)
298 		band_select = 0x05;
299 	else
300 		band_select = 0x03;
301 
302 	data[0] = (div >> 8) & 0x7f;
303 	data[1] = div & 0xff;
304 	data[2] = ((div >> 10) & 0x60) | cfg;
305 	data[3] = (cpump << 6) | band_select;
306 
307 	if (fe->ops.i2c_gate_ctrl)
308 		fe->ops.i2c_gate_ctrl(fe, 1);
309 	i2c_transfer(card->i2c_adapter, &msg, 1);
310 	return (div * 166666 - 36000000);
311 }
312 
313 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
314 {
315 	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
316 
317 	return request_firmware(fw, name, &bt->bt->dev->dev);
318 }
319 
320 static struct sp887x_config microtune_mt7202dtf_config = {
321 	.demod_address = 0x70,
322 	.request_firmware = microtune_mt7202dtf_request_firmware,
323 };
324 
325 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
326 {
327 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
328 	static u8 mt352_reset [] = { 0x50, 0x80 };
329 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
330 	static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
331 				       0x00, 0xFF, 0x00, 0x40, 0x40 };
332 	static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
333 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
334 
335 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
336 	udelay(2000);
337 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
338 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
339 
340 	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
341 	udelay(2000);
342 	mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
343 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
344 
345 	return 0;
346 }
347 
348 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
349 {
350 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
351 	u32 div;
352 	unsigned char bs = 0;
353 	unsigned char cp = 0;
354 
355 	if (buf_len < 5) return -EINVAL;
356 
357 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
358 
359 	if (c->frequency < 150000000)
360 		cp = 0xB4;
361 	else if (c->frequency < 173000000)
362 		cp = 0xBC;
363 	else if (c->frequency < 250000000)
364 		cp = 0xB4;
365 	else if (c->frequency < 400000000)
366 		cp = 0xBC;
367 	else if (c->frequency < 420000000)
368 		cp = 0xF4;
369 	else if (c->frequency < 470000000)
370 		cp = 0xFC;
371 	else if (c->frequency < 600000000)
372 		cp = 0xBC;
373 	else if (c->frequency < 730000000)
374 		cp = 0xF4;
375 	else
376 		cp = 0xFC;
377 
378 	if (c->frequency < 150000000)
379 		bs = 0x01;
380 	else if (c->frequency < 173000000)
381 		bs = 0x01;
382 	else if (c->frequency < 250000000)
383 		bs = 0x02;
384 	else if (c->frequency < 400000000)
385 		bs = 0x02;
386 	else if (c->frequency < 420000000)
387 		bs = 0x02;
388 	else if (c->frequency < 470000000)
389 		bs = 0x02;
390 	else if (c->frequency < 600000000)
391 		bs = 0x08;
392 	else if (c->frequency < 730000000)
393 		bs = 0x08;
394 	else
395 		bs = 0x08;
396 
397 	pllbuf[0] = 0x61;
398 	pllbuf[1] = div >> 8;
399 	pllbuf[2] = div & 0xff;
400 	pllbuf[3] = cp;
401 	pllbuf[4] = bs;
402 
403 	return 5;
404 }
405 
406 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
407 	.demod_address = 0x0f,
408 	.demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
409 };
410 
411 static struct dst_config dst_config = {
412 	.demod_address = 0x55,
413 };
414 
415 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
416 {
417 	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
418 
419 	return request_firmware(fw, name, &bt->bt->dev->dev);
420 }
421 
422 static void or51211_setmode(struct dvb_frontend * fe, int mode)
423 {
424 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
425 	bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
426 	msleep(20);
427 }
428 
429 static void or51211_reset(struct dvb_frontend * fe)
430 {
431 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
432 
433 	/* RESET DEVICE
434 	 * reset is controlled by GPIO-0
435 	 * when set to 0 causes reset and when to 1 for normal op
436 	 * must remain reset for 128 clock cycles on a 50Mhz clock
437 	 * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
438 	 * We assume that the reset has be held low long enough or we
439 	 * have been reset by a power on.  When the driver is unloaded
440 	 * reset set to 0 so if reloaded we have been reset.
441 	 */
442 	/* reset & PRM1,2&4 are outputs */
443 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
444 	if (ret != 0)
445 		printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
446 	bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
447 	msleep(20);
448 	/* Now set for normal operation */
449 	bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
450 	/* wait for operation to begin */
451 	msleep(500);
452 }
453 
454 static void or51211_sleep(struct dvb_frontend * fe)
455 {
456 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
457 	bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
458 }
459 
460 static struct or51211_config or51211_config = {
461 	.demod_address = 0x15,
462 	.request_firmware = or51211_request_firmware,
463 	.setmode = or51211_setmode,
464 	.reset = or51211_reset,
465 	.sleep = or51211_sleep,
466 };
467 
468 static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend *fe)
469 {
470 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
471 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
472 	u8 buf[4];
473 	u32 div;
474 	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
475 
476 	div = (c->frequency + 36166667) / 166667;
477 
478 	buf[0] = (div >> 8) & 0x7F;
479 	buf[1] = div & 0xFF;
480 	buf[2] = 0x85;
481 	if ((c->frequency >= 47000000) && (c->frequency < 153000000))
482 		buf[3] = 0x01;
483 	else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
484 		buf[3] = 0x02;
485 	else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
486 		buf[3] = 0x0C;
487 	else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
488 		buf[3] = 0x8C;
489 	else
490 		return -EINVAL;
491 
492 	if (fe->ops.i2c_gate_ctrl)
493 		fe->ops.i2c_gate_ctrl(fe, 1);
494 	i2c_transfer(card->i2c_adapter, &msg, 1);
495 	return 0;
496 }
497 
498 static struct nxt6000_config vp3021_alps_tded4_config = {
499 	.demod_address = 0x0a,
500 	.clock_inversion = 1,
501 };
502 
503 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
504 {
505 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
506 	static u8 mt352_reset [] = { 0x50, 0x80 };
507 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
508 	static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
509 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
510 
511 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
512 	udelay(2000);
513 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
514 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
515 	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
516 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
517 
518 	return 0;
519 }
520 
521 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
522 {
523 	u32 div;
524 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
525 
526 	if (buf_len < 5)
527 		return -EINVAL;
528 
529 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
530 
531 	pllbuf[0] = 0x61;
532 	pllbuf[1] = (div >> 8) & 0x7F;
533 	pllbuf[2] = div & 0xFF;
534 	pllbuf[3] = 0x85;
535 
536 	dprintk("frequency %u, div %u\n", c->frequency, div);
537 
538 	if (c->frequency < 470000000)
539 		pllbuf[4] = 0x02;
540 	else if (c->frequency > 823000000)
541 		pllbuf[4] = 0x88;
542 	else
543 		pllbuf[4] = 0x08;
544 
545 	if (c->bandwidth_hz == 8000000)
546 		pllbuf[4] |= 0x04;
547 
548 	return 5;
549 }
550 
551 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
552 {
553 	/*
554 	 * Reset the frontend, must be called before trying
555 	 * to initialise the MT352 or mt352_attach
556 	 * will fail. Same goes for the nxt6000 frontend.
557 	 *
558 	 */
559 
560 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
561 	if (ret != 0)
562 		printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
563 
564 	/* Pulse the reset line */
565 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
566 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
567 	msleep(100);
568 
569 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
570 }
571 
572 static struct mt352_config digitv_alps_tded4_config = {
573 	.demod_address = 0x0a,
574 	.demod_init = digitv_alps_tded4_demod_init,
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 };
582 
583 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
584 {
585 	/* Set pin 27 of the lgdt3303 chip high to reset the frontend */
586 
587 	/* Pulse the reset line */
588 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
589 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
590 	msleep(100);
591 
592 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
593 	msleep(100);
594 }
595 
596 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
597 {
598 	struct dst_state* state = NULL;
599 
600 	switch(type) {
601 	case BTTV_BOARD_DVICO_DVBT_LITE:
602 		card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
603 
604 		if (card->fe == NULL)
605 			card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
606 						  card->i2c_adapter);
607 
608 		if (card->fe != NULL) {
609 			card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
610 			card->fe->ops.info.frequency_min = 174000000;
611 			card->fe->ops.info.frequency_max = 862000000;
612 		}
613 		break;
614 
615 	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
616 		lgdt330x_reset(card);
617 		card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
618 		if (card->fe != NULL) {
619 			dvb_attach(simple_tuner_attach, card->fe,
620 				   card->i2c_adapter, 0x61,
621 				   TUNER_LG_TDVS_H06XF);
622 			dprintk ("dvb_bt8xx: lgdt330x detected\n");
623 		}
624 		break;
625 
626 	case BTTV_BOARD_NEBULA_DIGITV:
627 		/*
628 		 * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
629 		 * this would be a cleaner solution than trying each frontend in turn.
630 		 */
631 
632 		/* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
633 		digitv_alps_tded4_reset(card);
634 		card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
635 		if (card->fe != NULL) {
636 			card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
637 			dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
638 			break;
639 		}
640 
641 		/* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
642 		digitv_alps_tded4_reset(card);
643 		card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
644 
645 		if (card->fe != NULL) {
646 			card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
647 			dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
648 		}
649 		break;
650 
651 	case BTTV_BOARD_AVDVBT_761:
652 		card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
653 		if (card->fe) {
654 			card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
655 		}
656 		break;
657 
658 	case BTTV_BOARD_AVDVBT_771:
659 		card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
660 		if (card->fe != NULL) {
661 			card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
662 			card->fe->ops.info.frequency_min = 174000000;
663 			card->fe->ops.info.frequency_max = 862000000;
664 		}
665 		break;
666 
667 	case BTTV_BOARD_TWINHAN_DST:
668 		/*	DST is not a frontend driver !!!		*/
669 		state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
670 		if (!state) {
671 			pr_err("No memory\n");
672 			break;
673 		}
674 		/*	Setup the Card					*/
675 		state->config = &dst_config;
676 		state->i2c = card->i2c_adapter;
677 		state->bt = card->bt;
678 		state->dst_ca = NULL;
679 		/*	DST is not a frontend, attaching the ASIC	*/
680 		if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
681 			pr_err("%s: Could not find a Twinhan DST\n", __func__);
682 			break;
683 		}
684 		/*	Attach other DST peripherals if any		*/
685 		/*	Conditional Access device			*/
686 		card->fe = &state->frontend;
687 		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
688 			dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
689 		break;
690 
691 	case BTTV_BOARD_PINNACLESAT:
692 		card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
693 		if (card->fe) {
694 			card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
695 			card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
696 			card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
697 		}
698 		break;
699 
700 	case BTTV_BOARD_PC_HDTV:
701 		card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
702 		if (card->fe != NULL)
703 			dvb_attach(simple_tuner_attach, card->fe,
704 				   card->i2c_adapter, 0x61,
705 				   TUNER_PHILIPS_FCV1236D);
706 		break;
707 	}
708 
709 	if (card->fe == NULL)
710 		pr_err("A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n",
711 		       card->bt->dev->vendor,
712 		       card->bt->dev->device,
713 		       card->bt->dev->subsystem_vendor,
714 		       card->bt->dev->subsystem_device);
715 	else
716 		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
717 			pr_err("Frontend registration failed!\n");
718 			dvb_frontend_detach(card->fe);
719 			card->fe = NULL;
720 		}
721 }
722 
723 static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
724 {
725 	int result;
726 
727 	result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
728 				      THIS_MODULE, &card->bt->dev->dev,
729 				      adapter_nr);
730 	if (result < 0) {
731 		pr_err("dvb_register_adapter failed (errno = %d)\n", result);
732 		return result;
733 	}
734 	card->dvb_adapter.priv = card;
735 
736 	card->bt->adapter = card->i2c_adapter;
737 
738 	memset(&card->demux, 0, sizeof(struct dvb_demux));
739 
740 	card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
741 
742 	card->demux.priv = card;
743 	card->demux.filternum = 256;
744 	card->demux.feednum = 256;
745 	card->demux.start_feed = dvb_bt8xx_start_feed;
746 	card->demux.stop_feed = dvb_bt8xx_stop_feed;
747 	card->demux.write_to_decoder = NULL;
748 
749 	result = dvb_dmx_init(&card->demux);
750 	if (result < 0) {
751 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
752 		goto err_unregister_adaptor;
753 	}
754 
755 	card->dmxdev.filternum = 256;
756 	card->dmxdev.demux = &card->demux.dmx;
757 	card->dmxdev.capabilities = 0;
758 
759 	result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
760 	if (result < 0) {
761 		pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
762 		goto err_dmx_release;
763 	}
764 
765 	card->fe_hw.source = DMX_FRONTEND_0;
766 
767 	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
768 	if (result < 0) {
769 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
770 		goto err_dmxdev_release;
771 	}
772 
773 	card->fe_mem.source = DMX_MEMORY_FE;
774 
775 	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
776 	if (result < 0) {
777 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
778 		goto err_remove_hw_frontend;
779 	}
780 
781 	result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw);
782 	if (result < 0) {
783 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
784 		goto err_remove_mem_frontend;
785 	}
786 
787 	result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
788 	if (result < 0) {
789 		pr_err("dvb_net_init failed (errno = %d)\n", result);
790 		goto err_disconnect_frontend;
791 	}
792 
793 	tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
794 
795 	frontend_init(card, type);
796 
797 	return 0;
798 
799 err_disconnect_frontend:
800 	card->demux.dmx.disconnect_frontend(&card->demux.dmx);
801 err_remove_mem_frontend:
802 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
803 err_remove_hw_frontend:
804 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
805 err_dmxdev_release:
806 	dvb_dmxdev_release(&card->dmxdev);
807 err_dmx_release:
808 	dvb_dmx_release(&card->demux);
809 err_unregister_adaptor:
810 	dvb_unregister_adapter(&card->dvb_adapter);
811 	return result;
812 }
813 
814 static int __devinit dvb_bt8xx_probe(struct bttv_sub_device *sub)
815 {
816 	struct dvb_bt8xx_card *card;
817 	struct pci_dev* bttv_pci_dev;
818 	int ret;
819 
820 	if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
821 		return -ENOMEM;
822 
823 	mutex_init(&card->lock);
824 	card->bttv_nr = sub->core->nr;
825 	strlcpy(card->card_name, sub->core->v4l2_dev.name, sizeof(card->card_name));
826 	card->i2c_adapter = &sub->core->i2c_adap;
827 
828 	switch(sub->core->type) {
829 	case BTTV_BOARD_PINNACLESAT:
830 		card->gpio_mode = 0x0400c060;
831 		/* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
832 			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
833 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
834 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
835 		break;
836 
837 	case BTTV_BOARD_DVICO_DVBT_LITE:
838 		card->gpio_mode = 0x0400C060;
839 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
840 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
841 		/* 26, 15, 14, 6, 5
842 		 * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
843 		 * DA_APP(parallel) */
844 		break;
845 
846 	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
847 		card->gpio_mode = 0x0400c060;
848 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
849 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
850 		break;
851 
852 	case BTTV_BOARD_NEBULA_DIGITV:
853 	case BTTV_BOARD_AVDVBT_761:
854 		card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
855 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
856 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
857 		/* A_PWRDN DA_SBR DA_APP (high speed serial) */
858 		break;
859 
860 	case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
861 		card->gpio_mode = 0x0400402B;
862 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
863 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
864 		/* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
865 		break;
866 
867 	case BTTV_BOARD_TWINHAN_DST:
868 		card->gpio_mode = 0x2204f2c;
869 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
870 		card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
871 				       BT878_APPERR | BT878_AFBUS;
872 		/* 25,21,14,11,10,9,8,3,2 then
873 		 * 0x33 = 5,4,1,0
874 		 * A_SEL=SML, DA_MLB, DA_SBR,
875 		 * DA_SDR=f, fifo trigger = 32 DWORDS
876 		 * IOM = 0 == audio A/D
877 		 * DPM = 0 == digital audio mode
878 		 * == async data parallel port
879 		 * then 0x33 (13 is set by start_capture)
880 		 * DA_APP = async data parallel port,
881 		 * ACAP_EN = 1,
882 		 * RISC+FIFO ENABLE */
883 		break;
884 
885 	case BTTV_BOARD_PC_HDTV:
886 		card->gpio_mode = 0x0100EC7B;
887 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
888 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
889 		break;
890 
891 	default:
892 		pr_err("Unknown bttv card type: %d\n", sub->core->type);
893 		kfree(card);
894 		return -ENODEV;
895 	}
896 
897 	dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
898 
899 	if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
900 		pr_err("no pci device for card %d\n", card->bttv_nr);
901 		kfree(card);
902 		return -ENODEV;
903 	}
904 
905 	if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
906 		pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
907 		pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");
908 
909 		kfree(card);
910 		return -ENODEV;
911 	}
912 
913 	mutex_init(&card->bt->gpio_lock);
914 	card->bt->bttv_nr = sub->core->nr;
915 
916 	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
917 		kfree(card);
918 		return ret;
919 	}
920 
921 	dev_set_drvdata(&sub->dev, card);
922 	return 0;
923 }
924 
925 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
926 {
927 	struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
928 
929 	dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
930 
931 	bt878_stop(card->bt);
932 	tasklet_kill(&card->bt->tasklet);
933 	dvb_net_release(&card->dvbnet);
934 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
935 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
936 	dvb_dmxdev_release(&card->dmxdev);
937 	dvb_dmx_release(&card->demux);
938 	if (card->fe) {
939 		dvb_unregister_frontend(card->fe);
940 		dvb_frontend_detach(card->fe);
941 	}
942 	dvb_unregister_adapter(&card->dvb_adapter);
943 
944 	kfree(card);
945 }
946 
947 static struct bttv_sub_driver driver = {
948 	.drv = {
949 		.name		= "dvb-bt8xx",
950 	},
951 	.probe		= dvb_bt8xx_probe,
952 	.remove		= dvb_bt8xx_remove,
953 	/* FIXME:
954 	 * .shutdown	= dvb_bt8xx_shutdown,
955 	 * .suspend	= dvb_bt8xx_suspend,
956 	 * .resume	= dvb_bt8xx_resume,
957 	 */
958 };
959 
960 static int __init dvb_bt8xx_init(void)
961 {
962 	return bttv_sub_register(&driver, "dvb");
963 }
964 
965 static void __exit dvb_bt8xx_exit(void)
966 {
967 	bttv_sub_unregister(&driver);
968 }
969 
970 module_init(dvb_bt8xx_init);
971 module_exit(dvb_bt8xx_exit);
972 
973 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
974 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
975 MODULE_LICENSE("GPL");
976