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v6.9.4
  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
 26static int debug;
 27
 28module_param(debug, int, 0644);
 29MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
 30
 31DVB_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
 42static void dvb_bt8xx_task(struct tasklet_struct *t)
 43{
 44	struct bt878 *bt = from_tasklet(bt, t, tasklet);
 45	struct dvb_bt8xx_card *card = dev_get_drvdata(&bt->adapter->dev);
 46
 47	dprintk("%d\n", card->bt->finished_block);
 48
 49	while (card->bt->last_block != card->bt->finished_block) {
 50		(card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
 51			(&card->demux,
 52			 &card->bt->buf_cpu[card->bt->last_block *
 53					    card->bt->block_bytes],
 54			 card->bt->block_bytes);
 55		card->bt->last_block = (card->bt->last_block + 1) %
 56					card->bt->block_count;
 57	}
 58}
 59
 60static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 61{
 62	struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
 63	struct dvb_bt8xx_card *card = dvbdmx->priv;
 64	int rc;
 65
 66	dprintk("dvb_bt8xx: start_feed\n");
 67
 68	if (!dvbdmx->dmx.frontend)
 69		return -EINVAL;
 70
 71	mutex_lock(&card->lock);
 72	card->nfeeds++;
 73	rc = card->nfeeds;
 74	if (card->nfeeds == 1)
 75		bt878_start(card->bt, card->gpio_mode,
 76			    card->op_sync_orin, card->irq_err_ignore);
 77	mutex_unlock(&card->lock);
 78	return rc;
 79}
 80
 81static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 82{
 83	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 84	struct dvb_bt8xx_card *card = dvbdmx->priv;
 85
 86	dprintk("dvb_bt8xx: stop_feed\n");
 87
 88	if (!dvbdmx->dmx.frontend)
 89		return -EINVAL;
 90
 91	mutex_lock(&card->lock);
 92	card->nfeeds--;
 93	if (card->nfeeds == 0)
 94		bt878_stop(card->bt);
 95	mutex_unlock(&card->lock);
 96
 97	return 0;
 98}
 99
100static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
101{
102	if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
103		(adev->subsystem_device == bdev->subsystem_device) &&
104		(adev->bus->number == bdev->bus->number) &&
105		(PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
106		return 1;
107	return 0;
108}
109
110static struct bt878 *dvb_bt8xx_878_match(unsigned int bttv_nr,
111					 struct pci_dev* bttv_pci_dev)
112{
113	unsigned int card_nr;
114
115	/* Hmm, n squared. Hope n is small */
116	for (card_nr = 0; card_nr < bt878_num; card_nr++)
117		if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
118			return &bt878[card_nr];
119	return NULL;
120}
121
122static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
123{
124	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
125	static u8 mt352_reset [] = { 0x50, 0x80 };
126	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
127	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
128	static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
129	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
130
131	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
132	udelay(2000);
133	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
134	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
135
136	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
137	mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
138	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
139
140	return 0;
141}
142
143static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend *fe, u8* pllbuf, int buf_len)
144{
145	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
146	u32 div;
147	unsigned char bs = 0;
148	unsigned char cp = 0;
149
150	if (buf_len < 5)
151		return -EINVAL;
152
153	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
154
155	if (c->frequency < 542000000)
156		cp = 0xb4;
157	else if (c->frequency < 771000000)
158		cp = 0xbc;
159	else
160		cp = 0xf4;
161
162	if (c->frequency == 0)
163		bs = 0x03;
164	else if (c->frequency < 443250000)
165		bs = 0x02;
166	else
167		bs = 0x08;
168
169	pllbuf[0] = 0x60;
170	pllbuf[1] = div >> 8;
171	pllbuf[2] = div & 0xff;
172	pllbuf[3] = cp;
173	pllbuf[4] = bs;
174
175	return 5;
176}
177
178static struct mt352_config thomson_dtt7579_config = {
179	.demod_address = 0x0f,
180	.demod_init = thomson_dtt7579_demod_init,
181};
182
183static struct zl10353_config thomson_dtt7579_zl10353_config = {
184	.demod_address = 0x0f,
185};
186
187static int cx24108_tuner_set_params(struct dvb_frontend *fe)
188{
189	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
190	u32 freq = c->frequency;
191	int i, a, n, pump;
192	u32 band, pll;
193	static const u32 osci[] = {
194		950000, 1019000, 1075000, 1178000, 1296000, 1432000,
195		1576000, 1718000, 1856000, 2036000, 2150000
196	};
197	static const u32 bandsel[] = {
198		0, 0x00020000, 0x00040000, 0x00100800, 0x00101000,
199		0x00102000, 0x00104000, 0x00108000, 0x00110000,
200		0x00120000, 0x00140000
201	};
202
203	#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
204	dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
205
206	/* This is really the bit driving the tuner chip cx24108 */
207
208	if (freq<950000)
209		freq = 950000; /* kHz */
210	else if (freq>2150000)
211		freq = 2150000; /* satellite IF is 950..2150MHz */
212
213	/* decide which VCO to use for the input frequency */
214	for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
215	dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
216	band=bandsel[i];
217	/* the gain values must be set by SetSymbolrate */
218	/* compute the pll divider needed, from Conexant data sheet,
219	   resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
220	   depending on the divider bit. It is set to /4 on the 2 lowest
221	   bands  */
222	n=((i<=2?2:1)*freq*10L)/(XTAL/100);
223	a=n%32; n/=32; if(a==0) n--;
224	pump=(freq<(osci[i-1]+osci[i])/2);
225	pll=0xf8000000|
226	    ((pump?1:2)<<(14+11))|
227	    ((n&0x1ff)<<(5+11))|
228	    ((a&0x1f)<<11);
229	/* everything is shifted left 11 bits to left-align the bits in the
230	   32bit word. Output to the tuner goes MSB-aligned, after all */
231	dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
232	cx24110_pll_write(fe,band);
233	/* set vga and vca to their widest-band settings, as a precaution.
234	   SetSymbolrate might not be called to set this up */
235	cx24110_pll_write(fe,0x500c0000);
236	cx24110_pll_write(fe,0x83f1f800);
237	cx24110_pll_write(fe,pll);
238	//writereg(client,0x56,0x7f);
239
240	return 0;
241}
242
243static int pinnsat_tuner_init(struct dvb_frontend* fe)
244{
245	struct dvb_bt8xx_card *card = fe->dvb->priv;
246
247	bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
248	bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
249
250	return 0;
251}
252
253static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
254{
255	struct dvb_bt8xx_card *card = fe->dvb->priv;
256
257	bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
258
259	return 0;
260}
261
262static struct cx24110_config pctvsat_config = {
263	.demod_address = 0x55,
264};
265
266static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
267{
268	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
269	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
270	u8 cfg, cpump, band_select;
271	u8 data[4];
272	u32 div;
273	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
274
275	div = (36000000 + c->frequency + 83333) / 166666;
276	cfg = 0x88;
277
278	if (c->frequency < 175000000)
279		cpump = 2;
280	else if (c->frequency < 390000000)
281		cpump = 1;
282	else if (c->frequency < 470000000)
283		cpump = 2;
284	else if (c->frequency < 750000000)
285		cpump = 2;
286	else
287		cpump = 3;
288
289	if (c->frequency < 175000000)
290		band_select = 0x0e;
291	else if (c->frequency < 470000000)
292		band_select = 0x05;
293	else
294		band_select = 0x03;
295
296	data[0] = (div >> 8) & 0x7f;
297	data[1] = div & 0xff;
298	data[2] = ((div >> 10) & 0x60) | cfg;
299	data[3] = (cpump << 6) | band_select;
300
301	if (fe->ops.i2c_gate_ctrl)
302		fe->ops.i2c_gate_ctrl(fe, 1);
303	i2c_transfer(card->i2c_adapter, &msg, 1);
304	return (div * 166666 - 36000000);
305}
306
307static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
308{
309	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
310
311	return request_firmware(fw, name, &bt->bt->dev->dev);
312}
313
314static const struct sp887x_config microtune_mt7202dtf_config = {
315	.demod_address = 0x70,
316	.request_firmware = microtune_mt7202dtf_request_firmware,
317};
318
319static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
320{
321	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
322	static u8 mt352_reset [] = { 0x50, 0x80 };
323	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
324	static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
325				       0x00, 0xFF, 0x00, 0x40, 0x40 };
326	static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
327	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
328
329	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
330	udelay(2000);
331	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
332	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
333
334	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
335	udelay(2000);
336	mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
337	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
338
339	return 0;
340}
341
342static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
343{
344	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
345	u32 div;
346	unsigned char bs = 0;
347	unsigned char cp = 0;
348
349	if (buf_len < 5) return -EINVAL;
350
351	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
352
353	if (c->frequency < 150000000)
354		cp = 0xB4;
355	else if (c->frequency < 173000000)
356		cp = 0xBC;
357	else if (c->frequency < 250000000)
358		cp = 0xB4;
359	else if (c->frequency < 400000000)
360		cp = 0xBC;
361	else if (c->frequency < 420000000)
362		cp = 0xF4;
363	else if (c->frequency < 470000000)
364		cp = 0xFC;
365	else if (c->frequency < 600000000)
366		cp = 0xBC;
367	else if (c->frequency < 730000000)
368		cp = 0xF4;
369	else
370		cp = 0xFC;
371
372	if (c->frequency < 150000000)
373		bs = 0x01;
374	else if (c->frequency < 173000000)
375		bs = 0x01;
376	else if (c->frequency < 250000000)
377		bs = 0x02;
378	else if (c->frequency < 400000000)
379		bs = 0x02;
380	else if (c->frequency < 420000000)
381		bs = 0x02;
382	else if (c->frequency < 470000000)
383		bs = 0x02;
 
 
 
 
384	else
385		bs = 0x08;
386
387	pllbuf[0] = 0x61;
388	pllbuf[1] = div >> 8;
389	pllbuf[2] = div & 0xff;
390	pllbuf[3] = cp;
391	pllbuf[4] = bs;
392
393	return 5;
394}
395
396static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
397	.demod_address = 0x0f,
398	.demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
399};
400
401static const struct dst_config dst_config = {
402	.demod_address = 0x55,
403};
404
405static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
406{
407	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
408
409	return request_firmware(fw, name, &bt->bt->dev->dev);
410}
411
412static void or51211_setmode(struct dvb_frontend * fe, int mode)
413{
414	struct dvb_bt8xx_card *bt = fe->dvb->priv;
415	bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
416	msleep(20);
417}
418
419static void or51211_reset(struct dvb_frontend * fe)
420{
421	struct dvb_bt8xx_card *bt = fe->dvb->priv;
422
423	/* RESET DEVICE
424	 * reset is controlled by GPIO-0
425	 * when set to 0 causes reset and when to 1 for normal op
426	 * must remain reset for 128 clock cycles on a 50Mhz clock
427	 * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
428	 * We assume that the reset has be held low long enough or we
429	 * have been reset by a power on.  When the driver is unloaded
430	 * reset set to 0 so if reloaded we have been reset.
431	 */
432	/* reset & PRM1,2&4 are outputs */
433	int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
434	if (ret != 0)
435		pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
436	bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
437	msleep(20);
438	/* Now set for normal operation */
439	bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
440	/* wait for operation to begin */
441	msleep(500);
442}
443
444static void or51211_sleep(struct dvb_frontend * fe)
445{
446	struct dvb_bt8xx_card *bt = fe->dvb->priv;
447	bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
448}
449
450static const struct or51211_config or51211_config = {
451	.demod_address = 0x15,
452	.request_firmware = or51211_request_firmware,
453	.setmode = or51211_setmode,
454	.reset = or51211_reset,
455	.sleep = or51211_sleep,
456};
457
458static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend *fe)
459{
460	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
461	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
462	u8 buf[4];
463	u32 div;
464	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
465
466	div = (c->frequency + 36166667) / 166667;
467
468	buf[0] = (div >> 8) & 0x7F;
469	buf[1] = div & 0xFF;
470	buf[2] = 0x85;
471	if ((c->frequency >= 47000000) && (c->frequency < 153000000))
472		buf[3] = 0x01;
473	else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
474		buf[3] = 0x02;
475	else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
476		buf[3] = 0x0C;
477	else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
478		buf[3] = 0x8C;
479	else
480		return -EINVAL;
481
482	if (fe->ops.i2c_gate_ctrl)
483		fe->ops.i2c_gate_ctrl(fe, 1);
484	i2c_transfer(card->i2c_adapter, &msg, 1);
485	return 0;
486}
487
488static struct nxt6000_config vp3021_alps_tded4_config = {
489	.demod_address = 0x0a,
490	.clock_inversion = 1,
491};
492
493static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
494{
495	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
496	static u8 mt352_reset [] = { 0x50, 0x80 };
497	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
498	static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
499	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
500
501	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
502	udelay(2000);
503	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
504	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
505	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
506	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
507
508	return 0;
509}
510
511static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
512{
513	u32 div;
514	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
515
516	if (buf_len < 5)
517		return -EINVAL;
518
519	div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
520
521	pllbuf[0] = 0x61;
522	pllbuf[1] = (div >> 8) & 0x7F;
523	pllbuf[2] = div & 0xFF;
524	pllbuf[3] = 0x85;
525
526	dprintk("frequency %u, div %u\n", c->frequency, div);
527
528	if (c->frequency < 470000000)
529		pllbuf[4] = 0x02;
530	else if (c->frequency > 823000000)
531		pllbuf[4] = 0x88;
532	else
533		pllbuf[4] = 0x08;
534
535	if (c->bandwidth_hz == 8000000)
536		pllbuf[4] |= 0x04;
537
538	return 5;
539}
540
541static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
542{
543	/*
544	 * Reset the frontend, must be called before trying
545	 * to initialise the MT352 or mt352_attach
546	 * will fail. Same goes for the nxt6000 frontend.
547	 *
548	 */
549
550	int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
551	if (ret != 0)
552		pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
553			ret);
554
555	/* Pulse the reset line */
556	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
557	bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
558	msleep(100);
559
560	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
561}
562
563static struct mt352_config digitv_alps_tded4_config = {
564	.demod_address = 0x0a,
565	.demod_init = digitv_alps_tded4_demod_init,
566};
567
568static struct lgdt330x_config tdvs_tua6034_config = {
 
569	.demod_chip       = LGDT3303,
570	.serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
571};
572
573static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
574{
575	/* Set pin 27 of the lgdt3303 chip high to reset the frontend */
576
577	/* Pulse the reset line */
578	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
579	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
580	msleep(100);
581
582	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
583	msleep(100);
584}
585
586static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
587{
588	struct dst_state* state = NULL;
589
590	switch(type) {
591	case BTTV_BOARD_DVICO_DVBT_LITE:
592		card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
593
594		if (card->fe == NULL)
595			card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
596						  card->i2c_adapter);
597
598		if (card->fe != NULL) {
599			card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
600			card->fe->ops.info.frequency_min_hz = 174 * MHz;
601			card->fe->ops.info.frequency_max_hz = 862 * MHz;
602		}
603		break;
604
605	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
606		lgdt330x_reset(card);
607		card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config,
608				      0x0e, card->i2c_adapter);
609		if (card->fe != NULL) {
610			dvb_attach(simple_tuner_attach, card->fe,
611				   card->i2c_adapter, 0x61,
612				   TUNER_LG_TDVS_H06XF);
613			dprintk("dvb_bt8xx: lgdt330x detected\n");
614		}
615		break;
616
617	case BTTV_BOARD_NEBULA_DIGITV:
618		/*
619		 * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
620		 * this would be a cleaner solution than trying each frontend in turn.
621		 */
622
623		/* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
624		digitv_alps_tded4_reset(card);
625		card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
626		if (card->fe != NULL) {
627			card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
628			dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
629			break;
630		}
631
632		/* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
633		digitv_alps_tded4_reset(card);
634		card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
635
636		if (card->fe != NULL) {
637			card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
638			dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
639		}
640		break;
641
642	case BTTV_BOARD_AVDVBT_761:
643		card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
644		if (card->fe) {
645			card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
646		}
647		break;
648
649	case BTTV_BOARD_AVDVBT_771:
650		card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
651		if (card->fe != NULL) {
652			card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
653			card->fe->ops.info.frequency_min_hz = 174 * MHz;
654			card->fe->ops.info.frequency_max_hz = 862 * MHz;
655		}
656		break;
657
658	case BTTV_BOARD_TWINHAN_DST:
659		/*	DST is not a frontend driver !!!		*/
660		state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
661		if (!state) {
662			pr_err("No memory\n");
663			break;
664		}
665		/*	Setup the Card					*/
666		state->config = &dst_config;
667		state->i2c = card->i2c_adapter;
668		state->bt = card->bt;
669		state->dst_ca = NULL;
670		/*	DST is not a frontend, attaching the ASIC	*/
671		if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
672			pr_err("%s: Could not find a Twinhan DST\n", __func__);
673			kfree(state);
674			break;
675		}
676		/*	Attach other DST peripherals if any		*/
677		/*	Conditional Access device			*/
678		card->fe = &state->frontend;
679		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
680			dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
681		break;
682
683	case BTTV_BOARD_PINNACLESAT:
684		card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
685		if (card->fe) {
686			card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
687			card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
688			card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
689		}
690		break;
691
692	case BTTV_BOARD_PC_HDTV:
693		card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
694		if (card->fe != NULL)
695			dvb_attach(simple_tuner_attach, card->fe,
696				   card->i2c_adapter, 0x61,
697				   TUNER_PHILIPS_FCV1236D);
698		break;
699	}
700
701	if (card->fe == NULL)
702		pr_err("A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n",
703		       card->bt->dev->vendor,
704		       card->bt->dev->device,
705		       card->bt->dev->subsystem_vendor,
706		       card->bt->dev->subsystem_device);
707	else
708		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
709			pr_err("Frontend registration failed!\n");
710			dvb_frontend_detach(card->fe);
711			card->fe = NULL;
712		}
713}
714
715static int dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
716{
717	int result;
718
719	result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
720				      THIS_MODULE, &card->bt->dev->dev,
721				      adapter_nr);
722	if (result < 0) {
723		pr_err("dvb_register_adapter failed (errno = %d)\n", result);
724		return result;
725	}
726	card->dvb_adapter.priv = card;
727
728	card->bt->adapter = card->i2c_adapter;
729
730	memset(&card->demux, 0, sizeof(struct dvb_demux));
731
732	card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
733
734	card->demux.priv = card;
735	card->demux.filternum = 256;
736	card->demux.feednum = 256;
737	card->demux.start_feed = dvb_bt8xx_start_feed;
738	card->demux.stop_feed = dvb_bt8xx_stop_feed;
739	card->demux.write_to_decoder = NULL;
740
741	result = dvb_dmx_init(&card->demux);
742	if (result < 0) {
743		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
744		goto err_unregister_adaptor;
745	}
746
747	card->dmxdev.filternum = 256;
748	card->dmxdev.demux = &card->demux.dmx;
749	card->dmxdev.capabilities = 0;
750
751	result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
752	if (result < 0) {
753		pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
754		goto err_dmx_release;
755	}
756
757	card->fe_hw.source = DMX_FRONTEND_0;
758
759	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
760	if (result < 0) {
761		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
762		goto err_dmxdev_release;
763	}
764
765	card->fe_mem.source = DMX_MEMORY_FE;
766
767	result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
768	if (result < 0) {
769		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
770		goto err_remove_hw_frontend;
771	}
772
773	result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw);
774	if (result < 0) {
775		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
776		goto err_remove_mem_frontend;
777	}
778
779	result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
780	if (result < 0) {
781		pr_err("dvb_net_init failed (errno = %d)\n", result);
782		goto err_disconnect_frontend;
783	}
784
785	tasklet_setup(&card->bt->tasklet, dvb_bt8xx_task);
786
787	frontend_init(card, type);
788
789	return 0;
790
791err_disconnect_frontend:
792	card->demux.dmx.disconnect_frontend(&card->demux.dmx);
793err_remove_mem_frontend:
794	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
795err_remove_hw_frontend:
796	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
797err_dmxdev_release:
798	dvb_dmxdev_release(&card->dmxdev);
799err_dmx_release:
800	dvb_dmx_release(&card->demux);
801err_unregister_adaptor:
802	dvb_unregister_adapter(&card->dvb_adapter);
803	return result;
804}
805
806static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
807{
808	struct dvb_bt8xx_card *card;
809	struct pci_dev* bttv_pci_dev;
810	int ret;
811
812	if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
813		return -ENOMEM;
814
815	mutex_init(&card->lock);
816	card->bttv_nr = sub->core->nr;
817	strscpy(card->card_name, sub->core->v4l2_dev.name,
818		sizeof(card->card_name));
819	card->i2c_adapter = &sub->core->i2c_adap;
820
821	switch(sub->core->type) {
822	case BTTV_BOARD_PINNACLESAT:
823		card->gpio_mode = 0x0400c060;
824		/* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
825			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
826		card->op_sync_orin = BT878_RISC_SYNC_MASK;
827		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
828		break;
829
830	case BTTV_BOARD_DVICO_DVBT_LITE:
831		card->gpio_mode = 0x0400C060;
832		card->op_sync_orin = BT878_RISC_SYNC_MASK;
833		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
834		/* 26, 15, 14, 6, 5
835		 * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
836		 * DA_APP(parallel) */
837		break;
838
839	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
840		card->gpio_mode = 0x0400c060;
841		card->op_sync_orin = BT878_RISC_SYNC_MASK;
842		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
843		break;
844
845	case BTTV_BOARD_NEBULA_DIGITV:
846	case BTTV_BOARD_AVDVBT_761:
847		card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
848		card->op_sync_orin = BT878_RISC_SYNC_MASK;
849		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
850		/* A_PWRDN DA_SBR DA_APP (high speed serial) */
851		break;
852
853	case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
854		card->gpio_mode = 0x0400402B;
855		card->op_sync_orin = BT878_RISC_SYNC_MASK;
856		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
857		/* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
858		break;
859
860	case BTTV_BOARD_TWINHAN_DST:
861		card->gpio_mode = 0x2204f2c;
862		card->op_sync_orin = BT878_RISC_SYNC_MASK;
863		card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
864				       BT878_APPERR | BT878_AFBUS;
865		/* 25,21,14,11,10,9,8,3,2 then
866		 * 0x33 = 5,4,1,0
867		 * A_SEL=SML, DA_MLB, DA_SBR,
868		 * DA_SDR=f, fifo trigger = 32 DWORDS
869		 * IOM = 0 == audio A/D
870		 * DPM = 0 == digital audio mode
871		 * == async data parallel port
872		 * then 0x33 (13 is set by start_capture)
873		 * DA_APP = async data parallel port,
874		 * ACAP_EN = 1,
875		 * RISC+FIFO ENABLE */
876		break;
877
878	case BTTV_BOARD_PC_HDTV:
879		card->gpio_mode = 0x0100EC7B;
880		card->op_sync_orin = BT878_RISC_SYNC_MASK;
881		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
882		break;
883
884	default:
885		pr_err("Unknown bttv card type: %d\n", sub->core->type);
886		kfree(card);
887		return -ENODEV;
888	}
889
890	dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
891
892	if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
893		pr_err("no pci device for card %d\n", card->bttv_nr);
894		kfree(card);
895		return -ENODEV;
896	}
897
898	if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
899		pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
900		pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");
901
902		kfree(card);
903		return -ENODEV;
904	}
905
906	mutex_init(&card->bt->gpio_lock);
907	card->bt->bttv_nr = sub->core->nr;
908
909	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
910		kfree(card);
911		return ret;
912	}
913
914	dev_set_drvdata(&sub->dev, card);
915	return 0;
916}
917
918static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
919{
920	struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
921
922	dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
923
924	bt878_stop(card->bt);
925	tasklet_kill(&card->bt->tasklet);
926	dvb_net_release(&card->dvbnet);
927	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
928	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
929	dvb_dmxdev_release(&card->dmxdev);
930	dvb_dmx_release(&card->demux);
931	if (card->fe) {
932		dvb_unregister_frontend(card->fe);
933		dvb_frontend_detach(card->fe);
934	}
935	dvb_unregister_adapter(&card->dvb_adapter);
936
937	kfree(card);
938}
939
940static struct bttv_sub_driver driver = {
941	.drv = {
942		.name		= "dvb-bt8xx",
943	},
944	.probe		= dvb_bt8xx_probe,
945	.remove		= dvb_bt8xx_remove,
946	/* FIXME:
947	 * .shutdown	= dvb_bt8xx_shutdown,
948	 * .suspend	= dvb_bt8xx_suspend,
949	 * .resume	= dvb_bt8xx_resume,
950	 */
951};
952
953static int __init dvb_bt8xx_init(void)
954{
955	return bttv_sub_register(&driver, "dvb");
956}
957
958static void __exit dvb_bt8xx_exit(void)
959{
960	bttv_sub_unregister(&driver);
961}
962
963module_init(dvb_bt8xx_init);
964module_exit(dvb_bt8xx_exit);
965
966MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
967MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
968MODULE_LICENSE("GPL");
v4.10.11
 
  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
 40static int debug;
 41
 42module_param(debug, int, 0644);
 43MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
 44
 45DVB_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
 56static 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
 73static 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
 94static 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
113static 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
123static 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
135static 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
156static 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
191static struct mt352_config thomson_dtt7579_config = {
192	.demod_address = 0x0f,
193	.demod_init = thomson_dtt7579_demod_init,
194};
195
196static struct zl10353_config thomson_dtt7579_zl10353_config = {
197	.demod_address = 0x0f,
198};
199
200static 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
252static 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
262static 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
271static struct cx24110_config pctvsat_config = {
272	.demod_address = 0x55,
273};
274
275static 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
316static 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
323static const struct sp887x_config microtune_mt7202dtf_config = {
324	.demod_address = 0x70,
325	.request_firmware = microtune_mt7202dtf_request_firmware,
326};
327
328static 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
351static 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
409static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
410	.demod_address = 0x0f,
411	.demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
412};
413
414static struct dst_config dst_config = {
415	.demod_address = 0x55,
416};
417
418static 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
425static 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
432static 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
457static 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
463static 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
471static 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
501static struct nxt6000_config vp3021_alps_tded4_config = {
502	.demod_address = 0x0a,
503	.clock_inversion = 1,
504};
505
506static 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
524static 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
554static 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
576static struct mt352_config digitv_alps_tded4_config = {
577	.demod_address = 0x0a,
578	.demod_init = digitv_alps_tded4_demod_init,
579};
580
581static 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
587static 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
600static 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
727static 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
803err_disconnect_frontend:
804	card->demux.dmx.disconnect_frontend(&card->demux.dmx);
805err_remove_mem_frontend:
806	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
807err_remove_hw_frontend:
808	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
809err_dmxdev_release:
810	dvb_dmxdev_release(&card->dmxdev);
811err_dmx_release:
812	dvb_dmx_release(&card->demux);
813err_unregister_adaptor:
814	dvb_unregister_adapter(&card->dvb_adapter);
815	return result;
816}
817
818static 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
929static 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
951static 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
964static int __init dvb_bt8xx_init(void)
965{
966	return bttv_sub_register(&driver, "dvb");
967}
968
969static void __exit dvb_bt8xx_exit(void)
970{
971	bttv_sub_unregister(&driver);
972}
973
974module_init(dvb_bt8xx_init);
975module_exit(dvb_bt8xx_exit);
976
977MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
978MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
979MODULE_LICENSE("GPL");