xref: /linux/drivers/media/pci/bt8xx/dvb-bt8xx.c (revision 32786fdc9506aeba98278c1844d4bfb766863832)
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) KBUILD_MODNAME ": " 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(fmt, arg...) do {				\
48 	if (debug)						\
49 		printk(KERN_DEBUG pr_fmt("%s: " fmt),		\
50 		       __func__, ##arg);			\
51 } while (0)
52 
53 
54 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
55 
56 static void dvb_bt8xx_task(unsigned long data)
57 {
58 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
59 
60 	dprintk("%d\n", card->bt->finished_block);
61 
62 	while (card->bt->last_block != card->bt->finished_block) {
63 		(card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
64 			(&card->demux,
65 			 &card->bt->buf_cpu[card->bt->last_block *
66 					    card->bt->block_bytes],
67 			 card->bt->block_bytes);
68 		card->bt->last_block = (card->bt->last_block + 1) %
69 					card->bt->block_count;
70 	}
71 }
72 
73 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
74 {
75 	struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
76 	struct dvb_bt8xx_card *card = dvbdmx->priv;
77 	int rc;
78 
79 	dprintk("dvb_bt8xx: start_feed\n");
80 
81 	if (!dvbdmx->dmx.frontend)
82 		return -EINVAL;
83 
84 	mutex_lock(&card->lock);
85 	card->nfeeds++;
86 	rc = card->nfeeds;
87 	if (card->nfeeds == 1)
88 		bt878_start(card->bt, card->gpio_mode,
89 			    card->op_sync_orin, card->irq_err_ignore);
90 	mutex_unlock(&card->lock);
91 	return rc;
92 }
93 
94 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
95 {
96 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
97 	struct dvb_bt8xx_card *card = dvbdmx->priv;
98 
99 	dprintk("dvb_bt8xx: stop_feed\n");
100 
101 	if (!dvbdmx->dmx.frontend)
102 		return -EINVAL;
103 
104 	mutex_lock(&card->lock);
105 	card->nfeeds--;
106 	if (card->nfeeds == 0)
107 		bt878_stop(card->bt);
108 	mutex_unlock(&card->lock);
109 
110 	return 0;
111 }
112 
113 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
114 {
115 	if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
116 		(adev->subsystem_device == bdev->subsystem_device) &&
117 		(adev->bus->number == bdev->bus->number) &&
118 		(PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
119 		return 1;
120 	return 0;
121 }
122 
123 static struct bt878 *dvb_bt8xx_878_match(unsigned int bttv_nr,
124 					 struct pci_dev* bttv_pci_dev)
125 {
126 	unsigned int card_nr;
127 
128 	/* Hmm, n squared. Hope n is small */
129 	for (card_nr = 0; card_nr < bt878_num; card_nr++)
130 		if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
131 			return &bt878[card_nr];
132 	return NULL;
133 }
134 
135 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
136 {
137 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
138 	static u8 mt352_reset [] = { 0x50, 0x80 };
139 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
140 	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
141 	static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
142 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
143 
144 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
145 	udelay(2000);
146 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
147 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
148 
149 	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
150 	mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
151 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
152 
153 	return 0;
154 }
155 
156 static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend *fe, u8* pllbuf, int buf_len)
157 {
158 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
159 	u32 div;
160 	unsigned char bs = 0;
161 	unsigned char cp = 0;
162 
163 	if (buf_len < 5)
164 		return -EINVAL;
165 
166 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
167 
168 	if (c->frequency < 542000000)
169 		cp = 0xb4;
170 	else if (c->frequency < 771000000)
171 		cp = 0xbc;
172 	else
173 		cp = 0xf4;
174 
175 	if (c->frequency == 0)
176 		bs = 0x03;
177 	else if (c->frequency < 443250000)
178 		bs = 0x02;
179 	else
180 		bs = 0x08;
181 
182 	pllbuf[0] = 0x60;
183 	pllbuf[1] = div >> 8;
184 	pllbuf[2] = div & 0xff;
185 	pllbuf[3] = cp;
186 	pllbuf[4] = bs;
187 
188 	return 5;
189 }
190 
191 static struct mt352_config thomson_dtt7579_config = {
192 	.demod_address = 0x0f,
193 	.demod_init = thomson_dtt7579_demod_init,
194 };
195 
196 static struct zl10353_config thomson_dtt7579_zl10353_config = {
197 	.demod_address = 0x0f,
198 };
199 
200 static int cx24108_tuner_set_params(struct dvb_frontend *fe)
201 {
202 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
203 	u32 freq = c->frequency;
204 	int i, a, n, pump;
205 	u32 band, pll;
206 	u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
207 		1576000,1718000,1856000,2036000,2150000};
208 	u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
209 		0x00102000,0x00104000,0x00108000,0x00110000,
210 		0x00120000,0x00140000};
211 
212 	#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
213 	dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
214 
215 	/* This is really the bit driving the tuner chip cx24108 */
216 
217 	if (freq<950000)
218 		freq = 950000; /* kHz */
219 	else if (freq>2150000)
220 		freq = 2150000; /* satellite IF is 950..2150MHz */
221 
222 	/* decide which VCO to use for the input frequency */
223 	for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
224 	dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
225 	band=bandsel[i];
226 	/* the gain values must be set by SetSymbolrate */
227 	/* compute the pll divider needed, from Conexant data sheet,
228 	   resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
229 	   depending on the divider bit. It is set to /4 on the 2 lowest
230 	   bands  */
231 	n=((i<=2?2:1)*freq*10L)/(XTAL/100);
232 	a=n%32; n/=32; if(a==0) n--;
233 	pump=(freq<(osci[i-1]+osci[i])/2);
234 	pll=0xf8000000|
235 	    ((pump?1:2)<<(14+11))|
236 	    ((n&0x1ff)<<(5+11))|
237 	    ((a&0x1f)<<11);
238 	/* everything is shifted left 11 bits to left-align the bits in the
239 	   32bit word. Output to the tuner goes MSB-aligned, after all */
240 	dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
241 	cx24110_pll_write(fe,band);
242 	/* set vga and vca to their widest-band settings, as a precaution.
243 	   SetSymbolrate might not be called to set this up */
244 	cx24110_pll_write(fe,0x500c0000);
245 	cx24110_pll_write(fe,0x83f1f800);
246 	cx24110_pll_write(fe,pll);
247 	//writereg(client,0x56,0x7f);
248 
249 	return 0;
250 }
251 
252 static int pinnsat_tuner_init(struct dvb_frontend* fe)
253 {
254 	struct dvb_bt8xx_card *card = fe->dvb->priv;
255 
256 	bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
257 	bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
258 
259 	return 0;
260 }
261 
262 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
263 {
264 	struct dvb_bt8xx_card *card = fe->dvb->priv;
265 
266 	bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
267 
268 	return 0;
269 }
270 
271 static struct cx24110_config pctvsat_config = {
272 	.demod_address = 0x55,
273 };
274 
275 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
276 {
277 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
278 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
279 	u8 cfg, cpump, band_select;
280 	u8 data[4];
281 	u32 div;
282 	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
283 
284 	div = (36000000 + c->frequency + 83333) / 166666;
285 	cfg = 0x88;
286 
287 	if (c->frequency < 175000000)
288 		cpump = 2;
289 	else if (c->frequency < 390000000)
290 		cpump = 1;
291 	else if (c->frequency < 470000000)
292 		cpump = 2;
293 	else if (c->frequency < 750000000)
294 		cpump = 2;
295 	else
296 		cpump = 3;
297 
298 	if (c->frequency < 175000000)
299 		band_select = 0x0e;
300 	else if (c->frequency < 470000000)
301 		band_select = 0x05;
302 	else
303 		band_select = 0x03;
304 
305 	data[0] = (div >> 8) & 0x7f;
306 	data[1] = div & 0xff;
307 	data[2] = ((div >> 10) & 0x60) | cfg;
308 	data[3] = (cpump << 6) | band_select;
309 
310 	if (fe->ops.i2c_gate_ctrl)
311 		fe->ops.i2c_gate_ctrl(fe, 1);
312 	i2c_transfer(card->i2c_adapter, &msg, 1);
313 	return (div * 166666 - 36000000);
314 }
315 
316 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
317 {
318 	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
319 
320 	return request_firmware(fw, name, &bt->bt->dev->dev);
321 }
322 
323 static const struct sp887x_config microtune_mt7202dtf_config = {
324 	.demod_address = 0x70,
325 	.request_firmware = microtune_mt7202dtf_request_firmware,
326 };
327 
328 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
329 {
330 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
331 	static u8 mt352_reset [] = { 0x50, 0x80 };
332 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
333 	static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
334 				       0x00, 0xFF, 0x00, 0x40, 0x40 };
335 	static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
336 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
337 
338 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
339 	udelay(2000);
340 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
341 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
342 
343 	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
344 	udelay(2000);
345 	mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
346 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
347 
348 	return 0;
349 }
350 
351 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
352 {
353 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
354 	u32 div;
355 	unsigned char bs = 0;
356 	unsigned char cp = 0;
357 
358 	if (buf_len < 5) return -EINVAL;
359 
360 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
361 
362 	if (c->frequency < 150000000)
363 		cp = 0xB4;
364 	else if (c->frequency < 173000000)
365 		cp = 0xBC;
366 	else if (c->frequency < 250000000)
367 		cp = 0xB4;
368 	else if (c->frequency < 400000000)
369 		cp = 0xBC;
370 	else if (c->frequency < 420000000)
371 		cp = 0xF4;
372 	else if (c->frequency < 470000000)
373 		cp = 0xFC;
374 	else if (c->frequency < 600000000)
375 		cp = 0xBC;
376 	else if (c->frequency < 730000000)
377 		cp = 0xF4;
378 	else
379 		cp = 0xFC;
380 
381 	if (c->frequency < 150000000)
382 		bs = 0x01;
383 	else if (c->frequency < 173000000)
384 		bs = 0x01;
385 	else if (c->frequency < 250000000)
386 		bs = 0x02;
387 	else if (c->frequency < 400000000)
388 		bs = 0x02;
389 	else if (c->frequency < 420000000)
390 		bs = 0x02;
391 	else if (c->frequency < 470000000)
392 		bs = 0x02;
393 	else if (c->frequency < 600000000)
394 		bs = 0x08;
395 	else if (c->frequency < 730000000)
396 		bs = 0x08;
397 	else
398 		bs = 0x08;
399 
400 	pllbuf[0] = 0x61;
401 	pllbuf[1] = div >> 8;
402 	pllbuf[2] = div & 0xff;
403 	pllbuf[3] = cp;
404 	pllbuf[4] = bs;
405 
406 	return 5;
407 }
408 
409 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
410 	.demod_address = 0x0f,
411 	.demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
412 };
413 
414 static struct dst_config dst_config = {
415 	.demod_address = 0x55,
416 };
417 
418 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
419 {
420 	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
421 
422 	return request_firmware(fw, name, &bt->bt->dev->dev);
423 }
424 
425 static void or51211_setmode(struct dvb_frontend * fe, int mode)
426 {
427 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
428 	bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
429 	msleep(20);
430 }
431 
432 static void or51211_reset(struct dvb_frontend * fe)
433 {
434 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
435 
436 	/* RESET DEVICE
437 	 * reset is controlled by GPIO-0
438 	 * when set to 0 causes reset and when to 1 for normal op
439 	 * must remain reset for 128 clock cycles on a 50Mhz clock
440 	 * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
441 	 * We assume that the reset has be held low long enough or we
442 	 * have been reset by a power on.  When the driver is unloaded
443 	 * reset set to 0 so if reloaded we have been reset.
444 	 */
445 	/* reset & PRM1,2&4 are outputs */
446 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
447 	if (ret != 0)
448 		pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
449 	bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
450 	msleep(20);
451 	/* Now set for normal operation */
452 	bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
453 	/* wait for operation to begin */
454 	msleep(500);
455 }
456 
457 static void or51211_sleep(struct dvb_frontend * fe)
458 {
459 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
460 	bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
461 }
462 
463 static const struct or51211_config or51211_config = {
464 	.demod_address = 0x15,
465 	.request_firmware = or51211_request_firmware,
466 	.setmode = or51211_setmode,
467 	.reset = or51211_reset,
468 	.sleep = or51211_sleep,
469 };
470 
471 static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend *fe)
472 {
473 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
474 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
475 	u8 buf[4];
476 	u32 div;
477 	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
478 
479 	div = (c->frequency + 36166667) / 166667;
480 
481 	buf[0] = (div >> 8) & 0x7F;
482 	buf[1] = div & 0xFF;
483 	buf[2] = 0x85;
484 	if ((c->frequency >= 47000000) && (c->frequency < 153000000))
485 		buf[3] = 0x01;
486 	else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
487 		buf[3] = 0x02;
488 	else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
489 		buf[3] = 0x0C;
490 	else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
491 		buf[3] = 0x8C;
492 	else
493 		return -EINVAL;
494 
495 	if (fe->ops.i2c_gate_ctrl)
496 		fe->ops.i2c_gate_ctrl(fe, 1);
497 	i2c_transfer(card->i2c_adapter, &msg, 1);
498 	return 0;
499 }
500 
501 static struct nxt6000_config vp3021_alps_tded4_config = {
502 	.demod_address = 0x0a,
503 	.clock_inversion = 1,
504 };
505 
506 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
507 {
508 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
509 	static u8 mt352_reset [] = { 0x50, 0x80 };
510 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
511 	static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
512 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
513 
514 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
515 	udelay(2000);
516 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
517 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
518 	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
519 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
520 
521 	return 0;
522 }
523 
524 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
525 {
526 	u32 div;
527 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
528 
529 	if (buf_len < 5)
530 		return -EINVAL;
531 
532 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
533 
534 	pllbuf[0] = 0x61;
535 	pllbuf[1] = (div >> 8) & 0x7F;
536 	pllbuf[2] = div & 0xFF;
537 	pllbuf[3] = 0x85;
538 
539 	dprintk("frequency %u, div %u\n", c->frequency, div);
540 
541 	if (c->frequency < 470000000)
542 		pllbuf[4] = 0x02;
543 	else if (c->frequency > 823000000)
544 		pllbuf[4] = 0x88;
545 	else
546 		pllbuf[4] = 0x08;
547 
548 	if (c->bandwidth_hz == 8000000)
549 		pllbuf[4] |= 0x04;
550 
551 	return 5;
552 }
553 
554 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
555 {
556 	/*
557 	 * Reset the frontend, must be called before trying
558 	 * to initialise the MT352 or mt352_attach
559 	 * will fail. Same goes for the nxt6000 frontend.
560 	 *
561 	 */
562 
563 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
564 	if (ret != 0)
565 		pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
566 			ret);
567 
568 	/* Pulse the reset line */
569 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
570 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
571 	msleep(100);
572 
573 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
574 }
575 
576 static struct mt352_config digitv_alps_tded4_config = {
577 	.demod_address = 0x0a,
578 	.demod_init = digitv_alps_tded4_demod_init,
579 };
580 
581 static struct lgdt330x_config tdvs_tua6034_config = {
582 	.demod_address    = 0x0e,
583 	.demod_chip       = LGDT3303,
584 	.serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
585 };
586 
587 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
588 {
589 	/* Set pin 27 of the lgdt3303 chip high to reset the frontend */
590 
591 	/* Pulse the reset line */
592 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
593 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
594 	msleep(100);
595 
596 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
597 	msleep(100);
598 }
599 
600 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
601 {
602 	struct dst_state* state = NULL;
603 
604 	switch(type) {
605 	case BTTV_BOARD_DVICO_DVBT_LITE:
606 		card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
607 
608 		if (card->fe == NULL)
609 			card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
610 						  card->i2c_adapter);
611 
612 		if (card->fe != NULL) {
613 			card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
614 			card->fe->ops.info.frequency_min = 174000000;
615 			card->fe->ops.info.frequency_max = 862000000;
616 		}
617 		break;
618 
619 	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
620 		lgdt330x_reset(card);
621 		card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
622 		if (card->fe != NULL) {
623 			dvb_attach(simple_tuner_attach, card->fe,
624 				   card->i2c_adapter, 0x61,
625 				   TUNER_LG_TDVS_H06XF);
626 			dprintk("dvb_bt8xx: lgdt330x detected\n");
627 		}
628 		break;
629 
630 	case BTTV_BOARD_NEBULA_DIGITV:
631 		/*
632 		 * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
633 		 * this would be a cleaner solution than trying each frontend in turn.
634 		 */
635 
636 		/* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
637 		digitv_alps_tded4_reset(card);
638 		card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
639 		if (card->fe != NULL) {
640 			card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
641 			dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
642 			break;
643 		}
644 
645 		/* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
646 		digitv_alps_tded4_reset(card);
647 		card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
648 
649 		if (card->fe != NULL) {
650 			card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
651 			dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
652 		}
653 		break;
654 
655 	case BTTV_BOARD_AVDVBT_761:
656 		card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
657 		if (card->fe) {
658 			card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
659 		}
660 		break;
661 
662 	case BTTV_BOARD_AVDVBT_771:
663 		card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
664 		if (card->fe != NULL) {
665 			card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
666 			card->fe->ops.info.frequency_min = 174000000;
667 			card->fe->ops.info.frequency_max = 862000000;
668 		}
669 		break;
670 
671 	case BTTV_BOARD_TWINHAN_DST:
672 		/*	DST is not a frontend driver !!!		*/
673 		state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
674 		if (!state) {
675 			pr_err("No memory\n");
676 			break;
677 		}
678 		/*	Setup the Card					*/
679 		state->config = &dst_config;
680 		state->i2c = card->i2c_adapter;
681 		state->bt = card->bt;
682 		state->dst_ca = NULL;
683 		/*	DST is not a frontend, attaching the ASIC	*/
684 		if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
685 			pr_err("%s: Could not find a Twinhan DST\n", __func__);
686 			break;
687 		}
688 		/*	Attach other DST peripherals if any		*/
689 		/*	Conditional Access device			*/
690 		card->fe = &state->frontend;
691 		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
692 			dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
693 		break;
694 
695 	case BTTV_BOARD_PINNACLESAT:
696 		card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
697 		if (card->fe) {
698 			card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
699 			card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
700 			card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
701 		}
702 		break;
703 
704 	case BTTV_BOARD_PC_HDTV:
705 		card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
706 		if (card->fe != NULL)
707 			dvb_attach(simple_tuner_attach, card->fe,
708 				   card->i2c_adapter, 0x61,
709 				   TUNER_PHILIPS_FCV1236D);
710 		break;
711 	}
712 
713 	if (card->fe == NULL)
714 		pr_err("A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n",
715 		       card->bt->dev->vendor,
716 		       card->bt->dev->device,
717 		       card->bt->dev->subsystem_vendor,
718 		       card->bt->dev->subsystem_device);
719 	else
720 		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
721 			pr_err("Frontend registration failed!\n");
722 			dvb_frontend_detach(card->fe);
723 			card->fe = NULL;
724 		}
725 }
726 
727 static int dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
728 {
729 	int result;
730 
731 	result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
732 				      THIS_MODULE, &card->bt->dev->dev,
733 				      adapter_nr);
734 	if (result < 0) {
735 		pr_err("dvb_register_adapter failed (errno = %d)\n", result);
736 		return result;
737 	}
738 	card->dvb_adapter.priv = card;
739 
740 	card->bt->adapter = card->i2c_adapter;
741 
742 	memset(&card->demux, 0, sizeof(struct dvb_demux));
743 
744 	card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
745 
746 	card->demux.priv = card;
747 	card->demux.filternum = 256;
748 	card->demux.feednum = 256;
749 	card->demux.start_feed = dvb_bt8xx_start_feed;
750 	card->demux.stop_feed = dvb_bt8xx_stop_feed;
751 	card->demux.write_to_decoder = NULL;
752 
753 	result = dvb_dmx_init(&card->demux);
754 	if (result < 0) {
755 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
756 		goto err_unregister_adaptor;
757 	}
758 
759 	card->dmxdev.filternum = 256;
760 	card->dmxdev.demux = &card->demux.dmx;
761 	card->dmxdev.capabilities = 0;
762 
763 	result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
764 	if (result < 0) {
765 		pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
766 		goto err_dmx_release;
767 	}
768 
769 	card->fe_hw.source = DMX_FRONTEND_0;
770 
771 	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
772 	if (result < 0) {
773 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
774 		goto err_dmxdev_release;
775 	}
776 
777 	card->fe_mem.source = DMX_MEMORY_FE;
778 
779 	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
780 	if (result < 0) {
781 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
782 		goto err_remove_hw_frontend;
783 	}
784 
785 	result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw);
786 	if (result < 0) {
787 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
788 		goto err_remove_mem_frontend;
789 	}
790 
791 	result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
792 	if (result < 0) {
793 		pr_err("dvb_net_init failed (errno = %d)\n", result);
794 		goto err_disconnect_frontend;
795 	}
796 
797 	tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
798 
799 	frontend_init(card, type);
800 
801 	return 0;
802 
803 err_disconnect_frontend:
804 	card->demux.dmx.disconnect_frontend(&card->demux.dmx);
805 err_remove_mem_frontend:
806 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
807 err_remove_hw_frontend:
808 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
809 err_dmxdev_release:
810 	dvb_dmxdev_release(&card->dmxdev);
811 err_dmx_release:
812 	dvb_dmx_release(&card->demux);
813 err_unregister_adaptor:
814 	dvb_unregister_adapter(&card->dvb_adapter);
815 	return result;
816 }
817 
818 static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
819 {
820 	struct dvb_bt8xx_card *card;
821 	struct pci_dev* bttv_pci_dev;
822 	int ret;
823 
824 	if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
825 		return -ENOMEM;
826 
827 	mutex_init(&card->lock);
828 	card->bttv_nr = sub->core->nr;
829 	strlcpy(card->card_name, sub->core->v4l2_dev.name, sizeof(card->card_name));
830 	card->i2c_adapter = &sub->core->i2c_adap;
831 
832 	switch(sub->core->type) {
833 	case BTTV_BOARD_PINNACLESAT:
834 		card->gpio_mode = 0x0400c060;
835 		/* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
836 			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
837 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
838 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
839 		break;
840 
841 	case BTTV_BOARD_DVICO_DVBT_LITE:
842 		card->gpio_mode = 0x0400C060;
843 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
844 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
845 		/* 26, 15, 14, 6, 5
846 		 * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
847 		 * DA_APP(parallel) */
848 		break;
849 
850 	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
851 		card->gpio_mode = 0x0400c060;
852 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
853 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
854 		break;
855 
856 	case BTTV_BOARD_NEBULA_DIGITV:
857 	case BTTV_BOARD_AVDVBT_761:
858 		card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
859 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
860 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
861 		/* A_PWRDN DA_SBR DA_APP (high speed serial) */
862 		break;
863 
864 	case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
865 		card->gpio_mode = 0x0400402B;
866 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
867 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
868 		/* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
869 		break;
870 
871 	case BTTV_BOARD_TWINHAN_DST:
872 		card->gpio_mode = 0x2204f2c;
873 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
874 		card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
875 				       BT878_APPERR | BT878_AFBUS;
876 		/* 25,21,14,11,10,9,8,3,2 then
877 		 * 0x33 = 5,4,1,0
878 		 * A_SEL=SML, DA_MLB, DA_SBR,
879 		 * DA_SDR=f, fifo trigger = 32 DWORDS
880 		 * IOM = 0 == audio A/D
881 		 * DPM = 0 == digital audio mode
882 		 * == async data parallel port
883 		 * then 0x33 (13 is set by start_capture)
884 		 * DA_APP = async data parallel port,
885 		 * ACAP_EN = 1,
886 		 * RISC+FIFO ENABLE */
887 		break;
888 
889 	case BTTV_BOARD_PC_HDTV:
890 		card->gpio_mode = 0x0100EC7B;
891 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
892 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
893 		break;
894 
895 	default:
896 		pr_err("Unknown bttv card type: %d\n", sub->core->type);
897 		kfree(card);
898 		return -ENODEV;
899 	}
900 
901 	dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
902 
903 	if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
904 		pr_err("no pci device for card %d\n", card->bttv_nr);
905 		kfree(card);
906 		return -ENODEV;
907 	}
908 
909 	if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
910 		pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
911 		pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");
912 
913 		kfree(card);
914 		return -ENODEV;
915 	}
916 
917 	mutex_init(&card->bt->gpio_lock);
918 	card->bt->bttv_nr = sub->core->nr;
919 
920 	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
921 		kfree(card);
922 		return ret;
923 	}
924 
925 	dev_set_drvdata(&sub->dev, card);
926 	return 0;
927 }
928 
929 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
930 {
931 	struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
932 
933 	dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
934 
935 	bt878_stop(card->bt);
936 	tasklet_kill(&card->bt->tasklet);
937 	dvb_net_release(&card->dvbnet);
938 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
939 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
940 	dvb_dmxdev_release(&card->dmxdev);
941 	dvb_dmx_release(&card->demux);
942 	if (card->fe) {
943 		dvb_unregister_frontend(card->fe);
944 		dvb_frontend_detach(card->fe);
945 	}
946 	dvb_unregister_adapter(&card->dvb_adapter);
947 
948 	kfree(card);
949 }
950 
951 static struct bttv_sub_driver driver = {
952 	.drv = {
953 		.name		= "dvb-bt8xx",
954 	},
955 	.probe		= dvb_bt8xx_probe,
956 	.remove		= dvb_bt8xx_remove,
957 	/* FIXME:
958 	 * .shutdown	= dvb_bt8xx_shutdown,
959 	 * .suspend	= dvb_bt8xx_suspend,
960 	 * .resume	= dvb_bt8xx_resume,
961 	 */
962 };
963 
964 static int __init dvb_bt8xx_init(void)
965 {
966 	return bttv_sub_register(&driver, "dvb");
967 }
968 
969 static void __exit dvb_bt8xx_exit(void)
970 {
971 	bttv_sub_unregister(&driver);
972 }
973 
974 module_init(dvb_bt8xx_init);
975 module_exit(dvb_bt8xx_exit);
976 
977 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
978 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
979 MODULE_LICENSE("GPL");
980