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