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(dev: &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(bt: card->bt, controlreg: card->gpio_mode,
76 op_sync_orin: card->op_sync_orin, irq_err_ignore: card->irq_err_ignore);
77 mutex_unlock(lock: &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(bt: card->bt);
95 mutex_unlock(lock: &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(adev: bt878[card_nr].dev, bdev: 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: card->bttv_nr, mask: 1, data: 1); /* output */
248 bttv_write_gpio(card: card->bttv_nr, mask: 1, data: 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: card->bttv_nr, mask: 1, data: 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(adap: card->i2c_adapter, msgs: &msg, num: 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(card: bt->bttv_nr, mask: 0x0002, data: mode); /* Reset */
416 msleep(msecs: 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(card: bt->bttv_nr, mask: 0x001F, data: 0x001F);
434 if (ret != 0)
435 pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
436 bttv_write_gpio(card: bt->bttv_nr, mask: 0x001F, data: 0x0000); /* Reset */
437 msleep(msecs: 20);
438 /* Now set for normal operation */
439 bttv_write_gpio(card: bt->bttv_nr, mask: 0x0001F, data: 0x0001);
440 /* wait for operation to begin */
441 msleep(msecs: 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(card: bt->bttv_nr, mask: 0x0001, data: 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(adap: card->i2c_adapter, msgs: &msg, num: 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(card: bt->bttv_nr, mask: 0x08, data: 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(card: bt->bttv_nr, mask: 0x08, data: 0x08); /* High */
557 bttv_write_gpio(card: bt->bttv_nr, mask: 0x08, data: 0x00); /* Low */
558 msleep(msecs: 100);
559
560 bttv_write_gpio(card: bt->bttv_nr, mask: 0x08, data: 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(card: bt->bttv_nr, mask: 0x00e00007, data: 0x00000001); /* High */
579 bttv_write_gpio(card: bt->bttv_nr, mask: 0x00e00007, data: 0x00000000); /* Low */
580 msleep(msecs: 100);
581
582 bttv_write_gpio(card: bt->bttv_nr, mask: 0x00e00007, data: 0x00000001); /* High */
583 msleep(msecs: 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(bt: 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(bt: 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(bt: 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(size: 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(objp: 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(dvb: &card->dvb_adapter, fe: card->fe)) {
709 pr_err("Frontend registration failed!\n");
710 dvb_frontend_detach(fe: 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(adap: &card->dvb_adapter, name: card->card_name,
720 THIS_MODULE, device: &card->bt->dev->dev,
721 adapter_nums: 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(demux: &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(dmxdev: &card->dmxdev, adap: &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(adap: &card->dvb_adapter, dvbnet: &card->dvbnet, dmxdemux: &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(t: &card->bt->tasklet, callback: 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(dmxdev: &card->dmxdev);
799err_dmx_release:
800 dvb_dmx_release(demux: &card->demux);
801err_unregister_adaptor:
802 dvb_unregister_adapter(adap: &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(size: 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(objp: 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: card->bttv_nr))) {
893 pr_err("no pci device for card %d\n", card->bttv_nr);
894 kfree(objp: card);
895 return -ENODEV;
896 }
897
898 if (!(card->bt = dvb_bt8xx_878_match(bttv_nr: 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(objp: 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, type: sub->core->type)) ) {
910 kfree(objp: card);
911 return ret;
912 }
913
914 dev_set_drvdata(dev: &sub->dev, data: 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(dev: &sub->dev);
921
922 dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
923
924 bt878_stop(bt: card->bt);
925 tasklet_kill(t: &card->bt->tasklet);
926 dvb_net_release(dvbnet: &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(dmxdev: &card->dmxdev);
930 dvb_dmx_release(demux: &card->demux);
931 if (card->fe) {
932 dvb_unregister_frontend(fe: card->fe);
933 dvb_frontend_detach(fe: card->fe);
934 }
935 dvb_unregister_adapter(adap: &card->dvb_adapter);
936
937 kfree(objp: 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(drv: &driver, wanted: "dvb");
956}
957
958static void __exit dvb_bt8xx_exit(void)
959{
960 bttv_sub_unregister(drv: &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");
969

source code of linux/drivers/media/pci/bt8xx/dvb-bt8xx.c