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