Linux kernel & device driver programming

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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 
 38 static int debug;
 39 
 40 module_param(debug, int, 0644);
 41 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
 42 
 43 DVB_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 
 52 static 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 
 69 static 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 
 90 static 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 
109 static 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 
119 static 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 
130 static 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 
151 static 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 
185 static struct mt352_config thomson_dtt7579_config = {
186         .demod_address = 0x0f,
187         .demod_init = thomson_dtt7579_demod_init,
188 };
189 
190 static struct zl10353_config thomson_dtt7579_zl10353_config = {
191         .demod_address = 0x0f,
192 };
193 
194 static 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)) && (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 
247 static 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 
257 static 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 
266 static struct cx24110_config pctvsat_config = {
267         .demod_address = 0x55,
268 };
269 
270 static 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 
310 static 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 
317 static struct sp887x_config microtune_mt7202dtf_config = {
318         .demod_address = 0x70,
319         .request_firmware = microtune_mt7202dtf_request_firmware,
320 };
321 
322 static 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 
345 static 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 
402 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
403         .demod_address = 0x0f,
404         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
405 };
406 
407 static struct dst_config dst_config = {
408         .demod_address = 0x55,
409 };
410 
411 static 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 
418 static 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 
425 static 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 
450 static 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 
456 static 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 
464 static 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 
493 static struct nxt6000_config vp3021_alps_tded4_config = {
494         .demod_address = 0x0a,
495         .clock_inversion = 1,
496 };
497 
498 static 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 
516 static 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 
546 static 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 
567 static struct mt352_config digitv_alps_tded4_config = {
568         .demod_address = 0x0a,
569         .demod_init = digitv_alps_tded4_demod_init,
570 };
571 
572 static 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 
578 static 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 
591 static 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 
718 static 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 
806 static 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 
920 static 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 
942 static struct bttv_sub_driver driver = {
943         .drv = {
944                 .name           = "dvb-bt8xx",
945         },
946         .probe          = dvb_bt8xx_probe,
947         .remove         = dvb_bt8xx_remove,
948         /* FIXME:
949          * .shutdown    = dvb_bt8xx_shutdown,
950          * .suspend     = dvb_bt8xx_suspend,
951          * .resume      = dvb_bt8xx_resume,
952          */
953 };
954 
955 static int __init dvb_bt8xx_init(void)
956 {
957         return bttv_sub_register(&driver, "dvb");
958 }
959 
960 static void __exit dvb_bt8xx_exit(void)
961 {
962         bttv_sub_unregister(&driver);
963 }
964 
965 module_init(dvb_bt8xx_init);
966 module_exit(dvb_bt8xx_exit);
967 
968 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
969 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
970 MODULE_LICENSE("GPL");
971 
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