1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Bt8xx based DVB adapter driver
4  *
5  * Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.org>
6  */
7 
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9 
10 #include <linux/bitops.h>
11 #include <linux/module.h>
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/device.h>
15 #include <linux/delay.h>
16 #include <linux/slab.h>
17 #include <linux/i2c.h>
18 
19 #include <media/dmxdev.h>
20 #include <media/dvbdev.h>
21 #include <media/dvb_demux.h>
22 #include <media/dvb_frontend.h>
23 #include "dvb-bt8xx.h"
24 #include "bt878.h"
25 
26 static int debug;
27 
28 module_param(debug, int, 0644);
29 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
30 
31 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
32 
33 #define dprintk(fmt, arg...) do {				\
34 	if (debug)						\
35 		printk(KERN_DEBUG pr_fmt("%s: " fmt),		\
36 		       __func__, ##arg);			\
37 } while (0)
38 
39 
40 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
41 
42 static void dvb_bt8xx_task(unsigned long data)
43 {
44 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
45 
46 	dprintk("%d\n", card->bt->finished_block);
47 
48 	while (card->bt->last_block != card->bt->finished_block) {
49 		(card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
50 			(&card->demux,
51 			 &card->bt->buf_cpu[card->bt->last_block *
52 					    card->bt->block_bytes],
53 			 card->bt->block_bytes);
54 		card->bt->last_block = (card->bt->last_block + 1) %
55 					card->bt->block_count;
56 	}
57 }
58 
59 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
60 {
61 	struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
62 	struct dvb_bt8xx_card *card = dvbdmx->priv;
63 	int rc;
64 
65 	dprintk("dvb_bt8xx: start_feed\n");
66 
67 	if (!dvbdmx->dmx.frontend)
68 		return -EINVAL;
69 
70 	mutex_lock(&card->lock);
71 	card->nfeeds++;
72 	rc = card->nfeeds;
73 	if (card->nfeeds == 1)
74 		bt878_start(card->bt, card->gpio_mode,
75 			    card->op_sync_orin, card->irq_err_ignore);
76 	mutex_unlock(&card->lock);
77 	return rc;
78 }
79 
80 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
81 {
82 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
83 	struct dvb_bt8xx_card *card = dvbdmx->priv;
84 
85 	dprintk("dvb_bt8xx: stop_feed\n");
86 
87 	if (!dvbdmx->dmx.frontend)
88 		return -EINVAL;
89 
90 	mutex_lock(&card->lock);
91 	card->nfeeds--;
92 	if (card->nfeeds == 0)
93 		bt878_stop(card->bt);
94 	mutex_unlock(&card->lock);
95 
96 	return 0;
97 }
98 
99 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
100 {
101 	if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
102 		(adev->subsystem_device == bdev->subsystem_device) &&
103 		(adev->bus->number == bdev->bus->number) &&
104 		(PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
105 		return 1;
106 	return 0;
107 }
108 
109 static struct bt878 *dvb_bt8xx_878_match(unsigned int bttv_nr,
110 					 struct pci_dev* bttv_pci_dev)
111 {
112 	unsigned int card_nr;
113 
114 	/* Hmm, n squared. Hope n is small */
115 	for (card_nr = 0; card_nr < bt878_num; card_nr++)
116 		if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
117 			return &bt878[card_nr];
118 	return NULL;
119 }
120 
121 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
122 {
123 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
124 	static u8 mt352_reset [] = { 0x50, 0x80 };
125 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
126 	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
127 	static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
128 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
129 
130 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
131 	udelay(2000);
132 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
133 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
134 
135 	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
136 	mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
137 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
138 
139 	return 0;
140 }
141 
142 static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend *fe, u8* pllbuf, int buf_len)
143 {
144 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
145 	u32 div;
146 	unsigned char bs = 0;
147 	unsigned char cp = 0;
148 
149 	if (buf_len < 5)
150 		return -EINVAL;
151 
152 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
153 
154 	if (c->frequency < 542000000)
155 		cp = 0xb4;
156 	else if (c->frequency < 771000000)
157 		cp = 0xbc;
158 	else
159 		cp = 0xf4;
160 
161 	if (c->frequency == 0)
162 		bs = 0x03;
163 	else if (c->frequency < 443250000)
164 		bs = 0x02;
165 	else
166 		bs = 0x08;
167 
168 	pllbuf[0] = 0x60;
169 	pllbuf[1] = div >> 8;
170 	pllbuf[2] = div & 0xff;
171 	pllbuf[3] = cp;
172 	pllbuf[4] = bs;
173 
174 	return 5;
175 }
176 
177 static struct mt352_config thomson_dtt7579_config = {
178 	.demod_address = 0x0f,
179 	.demod_init = thomson_dtt7579_demod_init,
180 };
181 
182 static struct zl10353_config thomson_dtt7579_zl10353_config = {
183 	.demod_address = 0x0f,
184 };
185 
186 static int cx24108_tuner_set_params(struct dvb_frontend *fe)
187 {
188 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
189 	u32 freq = c->frequency;
190 	int i, a, n, pump;
191 	u32 band, pll;
192 	u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
193 		1576000,1718000,1856000,2036000,2150000};
194 	u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
195 		0x00102000,0x00104000,0x00108000,0x00110000,
196 		0x00120000,0x00140000};
197 
198 	#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
199 	dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
200 
201 	/* This is really the bit driving the tuner chip cx24108 */
202 
203 	if (freq<950000)
204 		freq = 950000; /* kHz */
205 	else if (freq>2150000)
206 		freq = 2150000; /* satellite IF is 950..2150MHz */
207 
208 	/* decide which VCO to use for the input frequency */
209 	for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
210 	dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
211 	band=bandsel[i];
212 	/* the gain values must be set by SetSymbolrate */
213 	/* compute the pll divider needed, from Conexant data sheet,
214 	   resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
215 	   depending on the divider bit. It is set to /4 on the 2 lowest
216 	   bands  */
217 	n=((i<=2?2:1)*freq*10L)/(XTAL/100);
218 	a=n%32; n/=32; if(a==0) n--;
219 	pump=(freq<(osci[i-1]+osci[i])/2);
220 	pll=0xf8000000|
221 	    ((pump?1:2)<<(14+11))|
222 	    ((n&0x1ff)<<(5+11))|
223 	    ((a&0x1f)<<11);
224 	/* everything is shifted left 11 bits to left-align the bits in the
225 	   32bit word. Output to the tuner goes MSB-aligned, after all */
226 	dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
227 	cx24110_pll_write(fe,band);
228 	/* set vga and vca to their widest-band settings, as a precaution.
229 	   SetSymbolrate might not be called to set this up */
230 	cx24110_pll_write(fe,0x500c0000);
231 	cx24110_pll_write(fe,0x83f1f800);
232 	cx24110_pll_write(fe,pll);
233 	//writereg(client,0x56,0x7f);
234 
235 	return 0;
236 }
237 
238 static int pinnsat_tuner_init(struct dvb_frontend* fe)
239 {
240 	struct dvb_bt8xx_card *card = fe->dvb->priv;
241 
242 	bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
243 	bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
244 
245 	return 0;
246 }
247 
248 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
249 {
250 	struct dvb_bt8xx_card *card = fe->dvb->priv;
251 
252 	bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
253 
254 	return 0;
255 }
256 
257 static struct cx24110_config pctvsat_config = {
258 	.demod_address = 0x55,
259 };
260 
261 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
262 {
263 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
264 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
265 	u8 cfg, cpump, band_select;
266 	u8 data[4];
267 	u32 div;
268 	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
269 
270 	div = (36000000 + c->frequency + 83333) / 166666;
271 	cfg = 0x88;
272 
273 	if (c->frequency < 175000000)
274 		cpump = 2;
275 	else if (c->frequency < 390000000)
276 		cpump = 1;
277 	else if (c->frequency < 470000000)
278 		cpump = 2;
279 	else if (c->frequency < 750000000)
280 		cpump = 2;
281 	else
282 		cpump = 3;
283 
284 	if (c->frequency < 175000000)
285 		band_select = 0x0e;
286 	else if (c->frequency < 470000000)
287 		band_select = 0x05;
288 	else
289 		band_select = 0x03;
290 
291 	data[0] = (div >> 8) & 0x7f;
292 	data[1] = div & 0xff;
293 	data[2] = ((div >> 10) & 0x60) | cfg;
294 	data[3] = (cpump << 6) | band_select;
295 
296 	if (fe->ops.i2c_gate_ctrl)
297 		fe->ops.i2c_gate_ctrl(fe, 1);
298 	i2c_transfer(card->i2c_adapter, &msg, 1);
299 	return (div * 166666 - 36000000);
300 }
301 
302 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
303 {
304 	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
305 
306 	return request_firmware(fw, name, &bt->bt->dev->dev);
307 }
308 
309 static const struct sp887x_config microtune_mt7202dtf_config = {
310 	.demod_address = 0x70,
311 	.request_firmware = microtune_mt7202dtf_request_firmware,
312 };
313 
314 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
315 {
316 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
317 	static u8 mt352_reset [] = { 0x50, 0x80 };
318 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
319 	static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
320 				       0x00, 0xFF, 0x00, 0x40, 0x40 };
321 	static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
322 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
323 
324 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
325 	udelay(2000);
326 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
327 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
328 
329 	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
330 	udelay(2000);
331 	mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
332 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
333 
334 	return 0;
335 }
336 
337 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
338 {
339 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
340 	u32 div;
341 	unsigned char bs = 0;
342 	unsigned char cp = 0;
343 
344 	if (buf_len < 5) return -EINVAL;
345 
346 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
347 
348 	if (c->frequency < 150000000)
349 		cp = 0xB4;
350 	else if (c->frequency < 173000000)
351 		cp = 0xBC;
352 	else if (c->frequency < 250000000)
353 		cp = 0xB4;
354 	else if (c->frequency < 400000000)
355 		cp = 0xBC;
356 	else if (c->frequency < 420000000)
357 		cp = 0xF4;
358 	else if (c->frequency < 470000000)
359 		cp = 0xFC;
360 	else if (c->frequency < 600000000)
361 		cp = 0xBC;
362 	else if (c->frequency < 730000000)
363 		cp = 0xF4;
364 	else
365 		cp = 0xFC;
366 
367 	if (c->frequency < 150000000)
368 		bs = 0x01;
369 	else if (c->frequency < 173000000)
370 		bs = 0x01;
371 	else if (c->frequency < 250000000)
372 		bs = 0x02;
373 	else if (c->frequency < 400000000)
374 		bs = 0x02;
375 	else if (c->frequency < 420000000)
376 		bs = 0x02;
377 	else if (c->frequency < 470000000)
378 		bs = 0x02;
379 	else
380 		bs = 0x08;
381 
382 	pllbuf[0] = 0x61;
383 	pllbuf[1] = div >> 8;
384 	pllbuf[2] = div & 0xff;
385 	pllbuf[3] = cp;
386 	pllbuf[4] = bs;
387 
388 	return 5;
389 }
390 
391 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
392 	.demod_address = 0x0f,
393 	.demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
394 };
395 
396 static struct dst_config dst_config = {
397 	.demod_address = 0x55,
398 };
399 
400 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
401 {
402 	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
403 
404 	return request_firmware(fw, name, &bt->bt->dev->dev);
405 }
406 
407 static void or51211_setmode(struct dvb_frontend * fe, int mode)
408 {
409 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
410 	bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
411 	msleep(20);
412 }
413 
414 static void or51211_reset(struct dvb_frontend * fe)
415 {
416 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
417 
418 	/* RESET DEVICE
419 	 * reset is controlled by GPIO-0
420 	 * when set to 0 causes reset and when to 1 for normal op
421 	 * must remain reset for 128 clock cycles on a 50Mhz clock
422 	 * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
423 	 * We assume that the reset has be held low long enough or we
424 	 * have been reset by a power on.  When the driver is unloaded
425 	 * reset set to 0 so if reloaded we have been reset.
426 	 */
427 	/* reset & PRM1,2&4 are outputs */
428 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
429 	if (ret != 0)
430 		pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
431 	bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
432 	msleep(20);
433 	/* Now set for normal operation */
434 	bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
435 	/* wait for operation to begin */
436 	msleep(500);
437 }
438 
439 static void or51211_sleep(struct dvb_frontend * fe)
440 {
441 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
442 	bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
443 }
444 
445 static const struct or51211_config or51211_config = {
446 	.demod_address = 0x15,
447 	.request_firmware = or51211_request_firmware,
448 	.setmode = or51211_setmode,
449 	.reset = or51211_reset,
450 	.sleep = or51211_sleep,
451 };
452 
453 static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend *fe)
454 {
455 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
456 	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
457 	u8 buf[4];
458 	u32 div;
459 	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
460 
461 	div = (c->frequency + 36166667) / 166667;
462 
463 	buf[0] = (div >> 8) & 0x7F;
464 	buf[1] = div & 0xFF;
465 	buf[2] = 0x85;
466 	if ((c->frequency >= 47000000) && (c->frequency < 153000000))
467 		buf[3] = 0x01;
468 	else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
469 		buf[3] = 0x02;
470 	else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
471 		buf[3] = 0x0C;
472 	else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
473 		buf[3] = 0x8C;
474 	else
475 		return -EINVAL;
476 
477 	if (fe->ops.i2c_gate_ctrl)
478 		fe->ops.i2c_gate_ctrl(fe, 1);
479 	i2c_transfer(card->i2c_adapter, &msg, 1);
480 	return 0;
481 }
482 
483 static struct nxt6000_config vp3021_alps_tded4_config = {
484 	.demod_address = 0x0a,
485 	.clock_inversion = 1,
486 };
487 
488 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
489 {
490 	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
491 	static u8 mt352_reset [] = { 0x50, 0x80 };
492 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
493 	static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
494 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
495 
496 	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
497 	udelay(2000);
498 	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
499 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
500 	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
501 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
502 
503 	return 0;
504 }
505 
506 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
507 {
508 	u32 div;
509 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
510 
511 	if (buf_len < 5)
512 		return -EINVAL;
513 
514 	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
515 
516 	pllbuf[0] = 0x61;
517 	pllbuf[1] = (div >> 8) & 0x7F;
518 	pllbuf[2] = div & 0xFF;
519 	pllbuf[3] = 0x85;
520 
521 	dprintk("frequency %u, div %u\n", c->frequency, div);
522 
523 	if (c->frequency < 470000000)
524 		pllbuf[4] = 0x02;
525 	else if (c->frequency > 823000000)
526 		pllbuf[4] = 0x88;
527 	else
528 		pllbuf[4] = 0x08;
529 
530 	if (c->bandwidth_hz == 8000000)
531 		pllbuf[4] |= 0x04;
532 
533 	return 5;
534 }
535 
536 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
537 {
538 	/*
539 	 * Reset the frontend, must be called before trying
540 	 * to initialise the MT352 or mt352_attach
541 	 * will fail. Same goes for the nxt6000 frontend.
542 	 *
543 	 */
544 
545 	int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
546 	if (ret != 0)
547 		pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
548 			ret);
549 
550 	/* Pulse the reset line */
551 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
552 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
553 	msleep(100);
554 
555 	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
556 }
557 
558 static struct mt352_config digitv_alps_tded4_config = {
559 	.demod_address = 0x0a,
560 	.demod_init = digitv_alps_tded4_demod_init,
561 };
562 
563 static struct lgdt330x_config tdvs_tua6034_config = {
564 	.demod_chip       = LGDT3303,
565 	.serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
566 };
567 
568 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
569 {
570 	/* Set pin 27 of the lgdt3303 chip high to reset the frontend */
571 
572 	/* Pulse the reset line */
573 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
574 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
575 	msleep(100);
576 
577 	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
578 	msleep(100);
579 }
580 
581 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
582 {
583 	struct dst_state* state = NULL;
584 
585 	switch(type) {
586 	case BTTV_BOARD_DVICO_DVBT_LITE:
587 		card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
588 
589 		if (card->fe == NULL)
590 			card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
591 						  card->i2c_adapter);
592 
593 		if (card->fe != NULL) {
594 			card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
595 			card->fe->ops.info.frequency_min_hz = 174 * MHz;
596 			card->fe->ops.info.frequency_max_hz = 862 * MHz;
597 		}
598 		break;
599 
600 	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
601 		lgdt330x_reset(card);
602 		card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config,
603 				      0x0e, card->i2c_adapter);
604 		if (card->fe != NULL) {
605 			dvb_attach(simple_tuner_attach, card->fe,
606 				   card->i2c_adapter, 0x61,
607 				   TUNER_LG_TDVS_H06XF);
608 			dprintk("dvb_bt8xx: lgdt330x detected\n");
609 		}
610 		break;
611 
612 	case BTTV_BOARD_NEBULA_DIGITV:
613 		/*
614 		 * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
615 		 * this would be a cleaner solution than trying each frontend in turn.
616 		 */
617 
618 		/* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
619 		digitv_alps_tded4_reset(card);
620 		card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
621 		if (card->fe != NULL) {
622 			card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
623 			dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
624 			break;
625 		}
626 
627 		/* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
628 		digitv_alps_tded4_reset(card);
629 		card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
630 
631 		if (card->fe != NULL) {
632 			card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
633 			dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
634 		}
635 		break;
636 
637 	case BTTV_BOARD_AVDVBT_761:
638 		card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
639 		if (card->fe) {
640 			card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
641 		}
642 		break;
643 
644 	case BTTV_BOARD_AVDVBT_771:
645 		card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
646 		if (card->fe != NULL) {
647 			card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
648 			card->fe->ops.info.frequency_min_hz = 174 * MHz;
649 			card->fe->ops.info.frequency_max_hz = 862 * MHz;
650 		}
651 		break;
652 
653 	case BTTV_BOARD_TWINHAN_DST:
654 		/*	DST is not a frontend driver !!!		*/
655 		state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
656 		if (!state) {
657 			pr_err("No memory\n");
658 			break;
659 		}
660 		/*	Setup the Card					*/
661 		state->config = &dst_config;
662 		state->i2c = card->i2c_adapter;
663 		state->bt = card->bt;
664 		state->dst_ca = NULL;
665 		/*	DST is not a frontend, attaching the ASIC	*/
666 		if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
667 			pr_err("%s: Could not find a Twinhan DST\n", __func__);
668 			kfree(state);
669 			break;
670 		}
671 		/*	Attach other DST peripherals if any		*/
672 		/*	Conditional Access device			*/
673 		card->fe = &state->frontend;
674 		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
675 			dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
676 		break;
677 
678 	case BTTV_BOARD_PINNACLESAT:
679 		card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
680 		if (card->fe) {
681 			card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
682 			card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
683 			card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
684 		}
685 		break;
686 
687 	case BTTV_BOARD_PC_HDTV:
688 		card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
689 		if (card->fe != NULL)
690 			dvb_attach(simple_tuner_attach, card->fe,
691 				   card->i2c_adapter, 0x61,
692 				   TUNER_PHILIPS_FCV1236D);
693 		break;
694 	}
695 
696 	if (card->fe == NULL)
697 		pr_err("A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n",
698 		       card->bt->dev->vendor,
699 		       card->bt->dev->device,
700 		       card->bt->dev->subsystem_vendor,
701 		       card->bt->dev->subsystem_device);
702 	else
703 		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
704 			pr_err("Frontend registration failed!\n");
705 			dvb_frontend_detach(card->fe);
706 			card->fe = NULL;
707 		}
708 }
709 
710 static int dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
711 {
712 	int result;
713 
714 	result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
715 				      THIS_MODULE, &card->bt->dev->dev,
716 				      adapter_nr);
717 	if (result < 0) {
718 		pr_err("dvb_register_adapter failed (errno = %d)\n", result);
719 		return result;
720 	}
721 	card->dvb_adapter.priv = card;
722 
723 	card->bt->adapter = card->i2c_adapter;
724 
725 	memset(&card->demux, 0, sizeof(struct dvb_demux));
726 
727 	card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
728 
729 	card->demux.priv = card;
730 	card->demux.filternum = 256;
731 	card->demux.feednum = 256;
732 	card->demux.start_feed = dvb_bt8xx_start_feed;
733 	card->demux.stop_feed = dvb_bt8xx_stop_feed;
734 	card->demux.write_to_decoder = NULL;
735 
736 	result = dvb_dmx_init(&card->demux);
737 	if (result < 0) {
738 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
739 		goto err_unregister_adaptor;
740 	}
741 
742 	card->dmxdev.filternum = 256;
743 	card->dmxdev.demux = &card->demux.dmx;
744 	card->dmxdev.capabilities = 0;
745 
746 	result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
747 	if (result < 0) {
748 		pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
749 		goto err_dmx_release;
750 	}
751 
752 	card->fe_hw.source = DMX_FRONTEND_0;
753 
754 	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
755 	if (result < 0) {
756 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
757 		goto err_dmxdev_release;
758 	}
759 
760 	card->fe_mem.source = DMX_MEMORY_FE;
761 
762 	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
763 	if (result < 0) {
764 		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
765 		goto err_remove_hw_frontend;
766 	}
767 
768 	result = card->demux.dmx.connect_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_remove_mem_frontend;
772 	}
773 
774 	result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
775 	if (result < 0) {
776 		pr_err("dvb_net_init failed (errno = %d)\n", result);
777 		goto err_disconnect_frontend;
778 	}
779 
780 	tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
781 
782 	frontend_init(card, type);
783 
784 	return 0;
785 
786 err_disconnect_frontend:
787 	card->demux.dmx.disconnect_frontend(&card->demux.dmx);
788 err_remove_mem_frontend:
789 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
790 err_remove_hw_frontend:
791 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
792 err_dmxdev_release:
793 	dvb_dmxdev_release(&card->dmxdev);
794 err_dmx_release:
795 	dvb_dmx_release(&card->demux);
796 err_unregister_adaptor:
797 	dvb_unregister_adapter(&card->dvb_adapter);
798 	return result;
799 }
800 
801 static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
802 {
803 	struct dvb_bt8xx_card *card;
804 	struct pci_dev* bttv_pci_dev;
805 	int ret;
806 
807 	if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
808 		return -ENOMEM;
809 
810 	mutex_init(&card->lock);
811 	card->bttv_nr = sub->core->nr;
812 	strscpy(card->card_name, sub->core->v4l2_dev.name,
813 		sizeof(card->card_name));
814 	card->i2c_adapter = &sub->core->i2c_adap;
815 
816 	switch(sub->core->type) {
817 	case BTTV_BOARD_PINNACLESAT:
818 		card->gpio_mode = 0x0400c060;
819 		/* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
820 			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
821 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
822 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
823 		break;
824 
825 	case BTTV_BOARD_DVICO_DVBT_LITE:
826 		card->gpio_mode = 0x0400C060;
827 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
828 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
829 		/* 26, 15, 14, 6, 5
830 		 * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
831 		 * DA_APP(parallel) */
832 		break;
833 
834 	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
835 		card->gpio_mode = 0x0400c060;
836 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
837 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
838 		break;
839 
840 	case BTTV_BOARD_NEBULA_DIGITV:
841 	case BTTV_BOARD_AVDVBT_761:
842 		card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
843 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
844 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
845 		/* A_PWRDN DA_SBR DA_APP (high speed serial) */
846 		break;
847 
848 	case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
849 		card->gpio_mode = 0x0400402B;
850 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
851 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
852 		/* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
853 		break;
854 
855 	case BTTV_BOARD_TWINHAN_DST:
856 		card->gpio_mode = 0x2204f2c;
857 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
858 		card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
859 				       BT878_APPERR | BT878_AFBUS;
860 		/* 25,21,14,11,10,9,8,3,2 then
861 		 * 0x33 = 5,4,1,0
862 		 * A_SEL=SML, DA_MLB, DA_SBR,
863 		 * DA_SDR=f, fifo trigger = 32 DWORDS
864 		 * IOM = 0 == audio A/D
865 		 * DPM = 0 == digital audio mode
866 		 * == async data parallel port
867 		 * then 0x33 (13 is set by start_capture)
868 		 * DA_APP = async data parallel port,
869 		 * ACAP_EN = 1,
870 		 * RISC+FIFO ENABLE */
871 		break;
872 
873 	case BTTV_BOARD_PC_HDTV:
874 		card->gpio_mode = 0x0100EC7B;
875 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
876 		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
877 		break;
878 
879 	default:
880 		pr_err("Unknown bttv card type: %d\n", sub->core->type);
881 		kfree(card);
882 		return -ENODEV;
883 	}
884 
885 	dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
886 
887 	if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
888 		pr_err("no pci device for card %d\n", card->bttv_nr);
889 		kfree(card);
890 		return -ENODEV;
891 	}
892 
893 	if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
894 		pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
895 		pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");
896 
897 		kfree(card);
898 		return -ENODEV;
899 	}
900 
901 	mutex_init(&card->bt->gpio_lock);
902 	card->bt->bttv_nr = sub->core->nr;
903 
904 	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
905 		kfree(card);
906 		return ret;
907 	}
908 
909 	dev_set_drvdata(&sub->dev, card);
910 	return 0;
911 }
912 
913 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
914 {
915 	struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
916 
917 	dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
918 
919 	bt878_stop(card->bt);
920 	tasklet_kill(&card->bt->tasklet);
921 	dvb_net_release(&card->dvbnet);
922 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
923 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
924 	dvb_dmxdev_release(&card->dmxdev);
925 	dvb_dmx_release(&card->demux);
926 	if (card->fe) {
927 		dvb_unregister_frontend(card->fe);
928 		dvb_frontend_detach(card->fe);
929 	}
930 	dvb_unregister_adapter(&card->dvb_adapter);
931 
932 	kfree(card);
933 }
934 
935 static struct bttv_sub_driver driver = {
936 	.drv = {
937 		.name		= "dvb-bt8xx",
938 	},
939 	.probe		= dvb_bt8xx_probe,
940 	.remove		= dvb_bt8xx_remove,
941 	/* FIXME:
942 	 * .shutdown	= dvb_bt8xx_shutdown,
943 	 * .suspend	= dvb_bt8xx_suspend,
944 	 * .resume	= dvb_bt8xx_resume,
945 	 */
946 };
947 
948 static int __init dvb_bt8xx_init(void)
949 {
950 	return bttv_sub_register(&driver, "dvb");
951 }
952 
953 static void __exit dvb_bt8xx_exit(void)
954 {
955 	bttv_sub_unregister(&driver);
956 }
957 
958 module_init(dvb_bt8xx_init);
959 module_exit(dvb_bt8xx_exit);
960 
961 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
962 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
963 MODULE_LICENSE("GPL");
964