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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#include <linux/bitops.h>
23#include <linux/module.h>
24#include <linux/init.h>
25#include <linux/kernel.h>
26#include <linux/device.h>
27#include <linux/delay.h>
28#include <linux/slab.h>
29#include <linux/i2c.h>
30
31#include "dmxdev.h"
32#include "dvbdev.h"
33#include "dvb_demux.h"
34#include "dvb_frontend.h"
35#include "dvb-bt8xx.h"
36#include "bt878.h"
37
38static int debug;
39
40module_param(debug, int, 0644);
41MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
42
43DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
44
45#define dprintk( args... ) \
46	do { \
47		if (debug) printk(KERN_DEBUG args); \
48	} while (0)
49
50#define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
51
52static void dvb_bt8xx_task(unsigned long data)
53{
54	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
55
56	//printk("%d ", card->bt->finished_block);
57
58	while (card->bt->last_block != card->bt->finished_block) {
59		(card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
60			(&card->demux,
61			 &card->bt->buf_cpu[card->bt->last_block *
62					    card->bt->block_bytes],
63			 card->bt->block_bytes);
64		card->bt->last_block = (card->bt->last_block + 1) %
65					card->bt->block_count;
66	}
67}
68
69static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
70{
71	struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
72	struct dvb_bt8xx_card *card = dvbdmx->priv;
73	int rc;
74
75	dprintk("dvb_bt8xx: start_feed\n");
76
77	if (!dvbdmx->dmx.frontend)
78		return -EINVAL;
79
80	mutex_lock(&card->lock);
81	card->nfeeds++;
82	rc = card->nfeeds;
83	if (card->nfeeds == 1)
84		bt878_start(card->bt, card->gpio_mode,
85			    card->op_sync_orin, card->irq_err_ignore);
86	mutex_unlock(&card->lock);
87	return rc;
88}
89
90static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
91{
92	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
93	struct dvb_bt8xx_card *card = dvbdmx->priv;
94
95	dprintk("dvb_bt8xx: stop_feed\n");
96
97	if (!dvbdmx->dmx.frontend)
98		return -EINVAL;
99
100	mutex_lock(&card->lock);
101	card->nfeeds--;
102	if (card->nfeeds == 0)
103		bt878_stop(card->bt);
104	mutex_unlock(&card->lock);
105
106	return 0;
107}
108
109static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
110{
111	if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
112		(adev->subsystem_device == bdev->subsystem_device) &&
113		(adev->bus->number == bdev->bus->number) &&
114		(PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
115		return 1;
116	return 0;
117}
118
119static struct bt878 __devinit *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
120{
121	unsigned int card_nr;
122
123	/* Hmm, n squared. Hope n is small */
124	for (card_nr = 0; card_nr < bt878_num; card_nr++)
125		if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
126			return &bt878[card_nr];
127	return NULL;
128}
129
130static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
131{
132	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
133	static u8 mt352_reset [] = { 0x50, 0x80 };
134	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
135	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
136	static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
137	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
138
139	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
140	udelay(2000);
141	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
142	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
143
144	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
145	mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
146	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
147
148	return 0;
149}
150
151static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
152{
153	u32 div;
154	unsigned char bs = 0;
155	unsigned char cp = 0;
156
157	if (buf_len < 5)
158		return -EINVAL;
159
160	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
161
162	if (params->frequency < 542000000)
163		cp = 0xb4;
164	else if (params->frequency < 771000000)
165		cp = 0xbc;
166	else
167		cp = 0xf4;
168
169	if (params->frequency == 0)
170		bs = 0x03;
171	else if (params->frequency < 443250000)
172		bs = 0x02;
173	else
174		bs = 0x08;
175
176	pllbuf[0] = 0x60;
177	pllbuf[1] = div >> 8;
178	pllbuf[2] = div & 0xff;
179	pllbuf[3] = cp;
180	pllbuf[4] = bs;
181
182	return 5;
183}
184
185static struct mt352_config thomson_dtt7579_config = {
186	.demod_address = 0x0f,
187	.demod_init = thomson_dtt7579_demod_init,
188};
189
190static struct zl10353_config thomson_dtt7579_zl10353_config = {
191	.demod_address = 0x0f,
192};
193
194static int cx24108_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
195{
196	u32 freq = params->frequency;
197
198	int i, a, n, pump;
199	u32 band, pll;
200
201	u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
202		1576000,1718000,1856000,2036000,2150000};
203	u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
204		0x00102000,0x00104000,0x00108000,0x00110000,
205		0x00120000,0x00140000};
206
207	#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
208	printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
209
210	/* This is really the bit driving the tuner chip cx24108 */
211
212	if (freq<950000)
213		freq = 950000; /* kHz */
214	else if (freq>2150000)
215		freq = 2150000; /* satellite IF is 950..2150MHz */
216
217	/* decide which VCO to use for the input frequency */
218	for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
219	printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
220	band=bandsel[i];
221	/* the gain values must be set by SetSymbolrate */
222	/* compute the pll divider needed, from Conexant data sheet,
223	   resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
224	   depending on the divider bit. It is set to /4 on the 2 lowest
225	   bands  */
226	n=((i<=2?2:1)*freq*10L)/(XTAL/100);
227	a=n%32; n/=32; if(a==0) n--;
228	pump=(freq<(osci[i-1]+osci[i])/2);
229	pll=0xf8000000|
230	    ((pump?1:2)<<(14+11))|
231	    ((n&0x1ff)<<(5+11))|
232	    ((a&0x1f)<<11);
233	/* everything is shifted left 11 bits to left-align the bits in the
234	   32bit word. Output to the tuner goes MSB-aligned, after all */
235	printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
236	cx24110_pll_write(fe,band);
237	/* set vga and vca to their widest-band settings, as a precaution.
238	   SetSymbolrate might not be called to set this up */
239	cx24110_pll_write(fe,0x500c0000);
240	cx24110_pll_write(fe,0x83f1f800);
241	cx24110_pll_write(fe,pll);
242	//writereg(client,0x56,0x7f);
243
244	return 0;
245}
246
247static int pinnsat_tuner_init(struct dvb_frontend* fe)
248{
249	struct dvb_bt8xx_card *card = fe->dvb->priv;
250
251	bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
252	bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
253
254	return 0;
255}
256
257static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
258{
259	struct dvb_bt8xx_card *card = fe->dvb->priv;
260
261	bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
262
263	return 0;
264}
265
266static struct cx24110_config pctvsat_config = {
267	.demod_address = 0x55,
268};
269
270static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
271{
272	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
273	u8 cfg, cpump, band_select;
274	u8 data[4];
275	u32 div;
276	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
277
278	div = (36000000 + params->frequency + 83333) / 166666;
279	cfg = 0x88;
280
281	if (params->frequency < 175000000)
282		cpump = 2;
283	else if (params->frequency < 390000000)
284		cpump = 1;
285	else if (params->frequency < 470000000)
286		cpump = 2;
287	else if (params->frequency < 750000000)
288		cpump = 2;
289	else
290		cpump = 3;
291
292	if (params->frequency < 175000000)
293		band_select = 0x0e;
294	else if (params->frequency < 470000000)
295		band_select = 0x05;
296	else
297		band_select = 0x03;
298
299	data[0] = (div >> 8) & 0x7f;
300	data[1] = div & 0xff;
301	data[2] = ((div >> 10) & 0x60) | cfg;
302	data[3] = (cpump << 6) | band_select;
303
304	if (fe->ops.i2c_gate_ctrl)
305		fe->ops.i2c_gate_ctrl(fe, 1);
306	i2c_transfer(card->i2c_adapter, &msg, 1);
307	return (div * 166666 - 36000000);
308}
309
310static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
311{
312	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
313
314	return request_firmware(fw, name, &bt->bt->dev->dev);
315}
316
317static struct sp887x_config microtune_mt7202dtf_config = {
318	.demod_address = 0x70,
319	.request_firmware = microtune_mt7202dtf_request_firmware,
320};
321
322static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
323{
324	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
325	static u8 mt352_reset [] = { 0x50, 0x80 };
326	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
327	static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
328				       0x00, 0xFF, 0x00, 0x40, 0x40 };
329	static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
330	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
331
332	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
333	udelay(2000);
334	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
335	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
336
337	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
338	udelay(2000);
339	mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
340	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
341
342	return 0;
343}
344
345static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
346{
347	u32 div;
348	unsigned char bs = 0;
349	unsigned char cp = 0;
350
351	if (buf_len < 5) return -EINVAL;
352
353	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
354
355	if (params->frequency < 150000000)
356		cp = 0xB4;
357	else if (params->frequency < 173000000)
358		cp = 0xBC;
359	else if (params->frequency < 250000000)
360		cp = 0xB4;
361	else if (params->frequency < 400000000)
362		cp = 0xBC;
363	else if (params->frequency < 420000000)
364		cp = 0xF4;
365	else if (params->frequency < 470000000)
366		cp = 0xFC;
367	else if (params->frequency < 600000000)
368		cp = 0xBC;
369	else if (params->frequency < 730000000)
370		cp = 0xF4;
371	else
372		cp = 0xFC;
373
374	if (params->frequency < 150000000)
375		bs = 0x01;
376	else if (params->frequency < 173000000)
377		bs = 0x01;
378	else if (params->frequency < 250000000)
379		bs = 0x02;
380	else if (params->frequency < 400000000)
381		bs = 0x02;
382	else if (params->frequency < 420000000)
383		bs = 0x02;
384	else if (params->frequency < 470000000)
385		bs = 0x02;
386	else if (params->frequency < 600000000)
387		bs = 0x08;
388	else if (params->frequency < 730000000)
389		bs = 0x08;
390	else
391		bs = 0x08;
392
393	pllbuf[0] = 0x61;
394	pllbuf[1] = div >> 8;
395	pllbuf[2] = div & 0xff;
396	pllbuf[3] = cp;
397	pllbuf[4] = bs;
398
399	return 5;
400}
401
402static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
403	.demod_address = 0x0f,
404	.demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
405};
406
407static struct dst_config dst_config = {
408	.demod_address = 0x55,
409};
410
411static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
412{
413	struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
414
415	return request_firmware(fw, name, &bt->bt->dev->dev);
416}
417
418static void or51211_setmode(struct dvb_frontend * fe, int mode)
419{
420	struct dvb_bt8xx_card *bt = fe->dvb->priv;
421	bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
422	msleep(20);
423}
424
425static void or51211_reset(struct dvb_frontend * fe)
426{
427	struct dvb_bt8xx_card *bt = fe->dvb->priv;
428
429	/* RESET DEVICE
430	 * reset is controled by GPIO-0
431	 * when set to 0 causes reset and when to 1 for normal op
432	 * must remain reset for 128 clock cycles on a 50Mhz clock
433	 * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
434	 * We assume that the reset has be held low long enough or we
435	 * have been reset by a power on.  When the driver is unloaded
436	 * reset set to 0 so if reloaded we have been reset.
437	 */
438	/* reset & PRM1,2&4 are outputs */
439	int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
440	if (ret != 0)
441		printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
442	bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
443	msleep(20);
444	/* Now set for normal operation */
445	bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
446	/* wait for operation to begin */
447	msleep(500);
448}
449
450static void or51211_sleep(struct dvb_frontend * fe)
451{
452	struct dvb_bt8xx_card *bt = fe->dvb->priv;
453	bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
454}
455
456static struct or51211_config or51211_config = {
457	.demod_address = 0x15,
458	.request_firmware = or51211_request_firmware,
459	.setmode = or51211_setmode,
460	.reset = or51211_reset,
461	.sleep = or51211_sleep,
462};
463
464static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
465{
466	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
467	u8 buf[4];
468	u32 div;
469	struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
470
471	div = (params->frequency + 36166667) / 166667;
472
473	buf[0] = (div >> 8) & 0x7F;
474	buf[1] = div & 0xFF;
475	buf[2] = 0x85;
476	if ((params->frequency >= 47000000) && (params->frequency < 153000000))
477		buf[3] = 0x01;
478	else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
479		buf[3] = 0x02;
480	else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
481		buf[3] = 0x0C;
482	else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
483		buf[3] = 0x8C;
484	else
485		return -EINVAL;
486
487	if (fe->ops.i2c_gate_ctrl)
488		fe->ops.i2c_gate_ctrl(fe, 1);
489	i2c_transfer(card->i2c_adapter, &msg, 1);
490	return 0;
491}
492
493static struct nxt6000_config vp3021_alps_tded4_config = {
494	.demod_address = 0x0a,
495	.clock_inversion = 1,
496};
497
498static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
499{
500	static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
501	static u8 mt352_reset [] = { 0x50, 0x80 };
502	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
503	static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
504	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
505
506	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
507	udelay(2000);
508	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
509	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
510	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
511	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
512
513	return 0;
514}
515
516static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
517{
518	u32 div;
519	struct dvb_ofdm_parameters *op = &params->u.ofdm;
520
521	if (buf_len < 5)
522		return -EINVAL;
523
524	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
525
526	pllbuf[0] = 0x61;
527	pllbuf[1] = (div >> 8) & 0x7F;
528	pllbuf[2] = div & 0xFF;
529	pllbuf[3] = 0x85;
530
531	dprintk("frequency %u, div %u\n", params->frequency, div);
532
533	if (params->frequency < 470000000)
534		pllbuf[4] = 0x02;
535	else if (params->frequency > 823000000)
536		pllbuf[4] = 0x88;
537	else
538		pllbuf[4] = 0x08;
539
540	if (op->bandwidth == 8)
541		pllbuf[4] |= 0x04;
542
543	return 5;
544}
545
546static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
547{
548	/*
549	 * Reset the frontend, must be called before trying
550	 * to initialise the MT352 or mt352_attach
551	 * will fail. Same goes for the nxt6000 frontend.
552	 *
553	 */
554
555	int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
556	if (ret != 0)
557		printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
558
559	/* Pulse the reset line */
560	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
561	bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
562	msleep(100);
563
564	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
565}
566
567static struct mt352_config digitv_alps_tded4_config = {
568	.demod_address = 0x0a,
569	.demod_init = digitv_alps_tded4_demod_init,
570};
571
572static struct lgdt330x_config tdvs_tua6034_config = {
573	.demod_address    = 0x0e,
574	.demod_chip       = LGDT3303,
575	.serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
576};
577
578static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
579{
580	/* Set pin 27 of the lgdt3303 chip high to reset the frontend */
581
582	/* Pulse the reset line */
583	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
584	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
585	msleep(100);
586
587	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
588	msleep(100);
589}
590
591static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
592{
593	struct dst_state* state = NULL;
594
595	switch(type) {
596	case BTTV_BOARD_DVICO_DVBT_LITE:
597		card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
598
599		if (card->fe == NULL)
600			card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
601						  card->i2c_adapter);
602
603		if (card->fe != NULL) {
604			card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
605			card->fe->ops.info.frequency_min = 174000000;
606			card->fe->ops.info.frequency_max = 862000000;
607		}
608		break;
609
610	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
611		lgdt330x_reset(card);
612		card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
613		if (card->fe != NULL) {
614			dvb_attach(simple_tuner_attach, card->fe,
615				   card->i2c_adapter, 0x61,
616				   TUNER_LG_TDVS_H06XF);
617			dprintk ("dvb_bt8xx: lgdt330x detected\n");
618		}
619		break;
620
621	case BTTV_BOARD_NEBULA_DIGITV:
622		/*
623		 * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
624		 * this would be a cleaner solution than trying each frontend in turn.
625		 */
626
627		/* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
628		digitv_alps_tded4_reset(card);
629		card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
630		if (card->fe != NULL) {
631			card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
632			dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
633			break;
634		}
635
636		/* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
637		digitv_alps_tded4_reset(card);
638		card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
639
640		if (card->fe != NULL) {
641			card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
642			dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
643		}
644		break;
645
646	case BTTV_BOARD_AVDVBT_761:
647		card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
648		if (card->fe) {
649			card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
650		}
651		break;
652
653	case BTTV_BOARD_AVDVBT_771:
654		card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
655		if (card->fe != NULL) {
656			card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
657			card->fe->ops.info.frequency_min = 174000000;
658			card->fe->ops.info.frequency_max = 862000000;
659		}
660		break;
661
662	case BTTV_BOARD_TWINHAN_DST:
663		/*	DST is not a frontend driver !!!		*/
664		state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
665		if (!state) {
666			printk("dvb_bt8xx: No memory\n");
667			break;
668		}
669		/*	Setup the Card					*/
670		state->config = &dst_config;
671		state->i2c = card->i2c_adapter;
672		state->bt = card->bt;
673		state->dst_ca = NULL;
674		/*	DST is not a frontend, attaching the ASIC	*/
675		if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
676			printk("%s: Could not find a Twinhan DST.\n", __func__);
677			break;
678		}
679		/*	Attach other DST peripherals if any		*/
680		/*	Conditional Access device			*/
681		card->fe = &state->frontend;
682		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
683			dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
684		break;
685
686	case BTTV_BOARD_PINNACLESAT:
687		card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
688		if (card->fe) {
689			card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
690			card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
691			card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
692		}
693		break;
694
695	case BTTV_BOARD_PC_HDTV:
696		card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
697		if (card->fe != NULL)
698			dvb_attach(simple_tuner_attach, card->fe,
699				   card->i2c_adapter, 0x61,
700				   TUNER_PHILIPS_FCV1236D);
701		break;
702	}
703
704	if (card->fe == NULL)
705		printk("dvb-bt8xx: A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n",
706		       card->bt->dev->vendor,
707		       card->bt->dev->device,
708		       card->bt->dev->subsystem_vendor,
709		       card->bt->dev->subsystem_device);
710	else
711		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
712			printk("dvb-bt8xx: Frontend registration failed!\n");
713			dvb_frontend_detach(card->fe);
714			card->fe = NULL;
715		}
716}
717
718static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
719{
720	int result;
721
722	result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
723				      THIS_MODULE, &card->bt->dev->dev,
724				      adapter_nr);
725	if (result < 0) {
726		printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
727		return result;
728	}
729	card->dvb_adapter.priv = card;
730
731	card->bt->adapter = card->i2c_adapter;
732
733	memset(&card->demux, 0, sizeof(struct dvb_demux));
734
735	card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
736
737	card->demux.priv = card;
738	card->demux.filternum = 256;
739	card->demux.feednum = 256;
740	card->demux.start_feed = dvb_bt8xx_start_feed;
741	card->demux.stop_feed = dvb_bt8xx_stop_feed;
742	card->demux.write_to_decoder = NULL;
743
744	if ((result = dvb_dmx_init(&card->demux)) < 0) {
745		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
746
747		dvb_unregister_adapter(&card->dvb_adapter);
748		return result;
749	}
750
751	card->dmxdev.filternum = 256;
752	card->dmxdev.demux = &card->demux.dmx;
753	card->dmxdev.capabilities = 0;
754
755	if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
756		printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
757
758		dvb_dmx_release(&card->demux);
759		dvb_unregister_adapter(&card->dvb_adapter);
760		return result;
761	}
762
763	card->fe_hw.source = DMX_FRONTEND_0;
764
765	if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
766		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
767
768		dvb_dmxdev_release(&card->dmxdev);
769		dvb_dmx_release(&card->demux);
770		dvb_unregister_adapter(&card->dvb_adapter);
771		return result;
772	}
773
774	card->fe_mem.source = DMX_MEMORY_FE;
775
776	if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
777		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
778
779		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
780		dvb_dmxdev_release(&card->dmxdev);
781		dvb_dmx_release(&card->demux);
782		dvb_unregister_adapter(&card->dvb_adapter);
783		return result;
784	}
785
786	if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
787		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
788
789		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
790		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
791		dvb_dmxdev_release(&card->dmxdev);
792		dvb_dmx_release(&card->demux);
793		dvb_unregister_adapter(&card->dvb_adapter);
794		return result;
795	}
796
797	dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
798
799	tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
800
801	frontend_init(card, type);
802
803	return 0;
804}
805
806static int __devinit 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	strlcpy(card->card_name, sub->core->v4l2_dev.name, sizeof(card->card_name));
818	card->i2c_adapter = &sub->core->i2c_adap;
819
820	switch(sub->core->type) {
821	case BTTV_BOARD_PINNACLESAT:
822		card->gpio_mode = 0x0400c060;
823		/* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
824			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
825		card->op_sync_orin = BT878_RISC_SYNC_MASK;
826		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
827		break;
828
829	case BTTV_BOARD_DVICO_DVBT_LITE:
830		card->gpio_mode = 0x0400C060;
831		card->op_sync_orin = BT878_RISC_SYNC_MASK;
832		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
833		/* 26, 15, 14, 6, 5
834		 * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
835		 * DA_APP(parallel) */
836		break;
837
838	case BTTV_BOARD_DVICO_FUSIONHDTV_5_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		break;
843
844	case BTTV_BOARD_NEBULA_DIGITV:
845	case BTTV_BOARD_AVDVBT_761:
846		card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
847		card->op_sync_orin = BT878_RISC_SYNC_MASK;
848		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
849		/* A_PWRDN DA_SBR DA_APP (high speed serial) */
850		break;
851
852	case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
853		card->gpio_mode = 0x0400402B;
854		card->op_sync_orin = BT878_RISC_SYNC_MASK;
855		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
856		/* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
857		break;
858
859	case BTTV_BOARD_TWINHAN_DST:
860		card->gpio_mode = 0x2204f2c;
861		card->op_sync_orin = BT878_RISC_SYNC_MASK;
862		card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
863				       BT878_APPERR | BT878_AFBUS;
864		/* 25,21,14,11,10,9,8,3,2 then
865		 * 0x33 = 5,4,1,0
866		 * A_SEL=SML, DA_MLB, DA_SBR,
867		 * DA_SDR=f, fifo trigger = 32 DWORDS
868		 * IOM = 0 == audio A/D
869		 * DPM = 0 == digital audio mode
870		 * == async data parallel port
871		 * then 0x33 (13 is set by start_capture)
872		 * DA_APP = async data parallel port,
873		 * ACAP_EN = 1,
874		 * RISC+FIFO ENABLE */
875		break;
876
877	case BTTV_BOARD_PC_HDTV:
878		card->gpio_mode = 0x0100EC7B;
879		card->op_sync_orin = BT878_RISC_SYNC_MASK;
880		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
881		break;
882
883	default:
884		printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
885				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		printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
894		kfree(card);
895		return -EFAULT;
896	}
897
898	if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
899		printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
900		       card->bttv_nr);
901		printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
902		       "installed, try removing it.\n");
903
904		kfree(card);
905		return -EFAULT;
906	}
907
908	mutex_init(&card->bt->gpio_lock);
909	card->bt->bttv_nr = sub->core->nr;
910
911	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
912		kfree(card);
913		return ret;
914	}
915
916	dev_set_drvdata(&sub->dev, card);
917	return 0;
918}
919
920static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
921{
922	struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
923
924	dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
925
926	bt878_stop(card->bt);
927	tasklet_kill(&card->bt->tasklet);
928	dvb_net_release(&card->dvbnet);
929	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
930	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
931	dvb_dmxdev_release(&card->dmxdev);
932	dvb_dmx_release(&card->demux);
933	if (card->fe) {
934		dvb_unregister_frontend(card->fe);
935		dvb_frontend_detach(card->fe);
936	}
937	dvb_unregister_adapter(&card->dvb_adapter);
938
939	kfree(card);
940}
941
942static struct bttv_sub_driver driver = {
943	.drv = {
944		.name		= "dvb-bt8xx",
945	},
946	.probe		= dvb_bt8xx_probe,
947	.remove		= dvb_bt8xx_remove,
948};
949
950static int __init dvb_bt8xx_init(void)
951{
952	return bttv_sub_register(&driver, "dvb");
953}
954
955static void __exit dvb_bt8xx_exit(void)
956{
957	bttv_sub_unregister(&driver);
958}
959
960module_init(dvb_bt8xx_init);
961module_exit(dvb_bt8xx_exit);
962
963MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
964MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
965MODULE_LICENSE("GPL");
966