2 * Bt8xx based DVB adapter driver
4 * Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.org>
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.
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.
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.
22 #include <linux/bitops.h>
23 #include <linux/module.h>
24 #include <linux/moduleparam.h>
25 #include <linux/init.h>
26 #include <linux/device.h>
27 #include <linux/delay.h>
28 #include <linux/slab.h>
29 #include <linux/i2c.h>
33 #include "dvb_demux.h"
34 #include "dvb_frontend.h"
35 #include "dvb-bt8xx.h"
40 module_param(debug, int, 0644);
41 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
43 #define dprintk( args... ) \
45 if (debug) printk(KERN_DEBUG args); \
48 static void dvb_bt8xx_task(unsigned long data)
50 struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
52 //printk("%d ", card->bt->finished_block);
54 while (card->bt->last_block != card->bt->finished_block) {
55 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
57 &card->bt->buf_cpu[card->bt->last_block *
58 card->bt->block_bytes],
59 card->bt->block_bytes);
60 card->bt->last_block = (card->bt->last_block + 1) %
61 card->bt->block_count;
65 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
67 struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
68 struct dvb_bt8xx_card *card = dvbdmx->priv;
71 dprintk("dvb_bt8xx: start_feed\n");
73 if (!dvbdmx->dmx.frontend)
79 if (card->nfeeds == 1)
80 bt878_start(card->bt, card->gpio_mode,
81 card->op_sync_orin, card->irq_err_ignore);
86 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
88 struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
89 struct dvb_bt8xx_card *card = dvbdmx->priv;
91 dprintk("dvb_bt8xx: stop_feed\n");
93 if (!dvbdmx->dmx.frontend)
98 if (card->nfeeds == 0)
105 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
107 if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
108 (adev->subsystem_device == bdev->subsystem_device) &&
109 (adev->bus->number == bdev->bus->number) &&
110 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
115 static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
117 unsigned int card_nr;
119 /* Hmm, n squared. Hope n is small */
120 for (card_nr = 0; card_nr < bt878_num; card_nr++)
121 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
122 return &bt878[card_nr];
126 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
128 static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
129 static u8 mt352_reset [] = { 0x50, 0x80 };
130 static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
131 static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
132 static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
133 static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
135 mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
137 mt352_write(fe, mt352_reset, sizeof(mt352_reset));
138 mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
140 mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
141 mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
142 mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
147 static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
150 unsigned char bs = 0;
151 unsigned char cp = 0;
153 #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
154 div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
156 if (params->frequency < 542000000)
158 else if (params->frequency < 771000000)
163 if (params->frequency == 0)
165 else if (params->frequency < 443250000)
170 pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
171 pllbuf[1] = div >> 8;
172 pllbuf[2] = div & 0xff;
179 static struct mt352_config thomson_dtt7579_config = {
180 .demod_address = 0x0f,
181 .demod_init = thomson_dtt7579_demod_init,
182 .pll_set = thomson_dtt7579_pll_set,
185 static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
187 u32 freq = params->frequency;
192 u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
193 1576000,1718000,1856000,2036000,2150000};
194 u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
195 0x00102000,0x00104000,0x00108000,0x00110000,
196 0x00120000,0x00140000};
198 #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
199 printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
201 /* This is really the bit driving the tuner chip cx24108 */
204 freq = 950000; /* kHz */
205 else if (freq>2150000)
206 freq = 2150000; /* satellite IF is 950..2150MHz */
208 /* decide which VCO to use for the input frequency */
209 for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
210 printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
212 /* the gain values must be set by SetSymbolrate */
213 /* compute the pll divider needed, from Conexant data sheet,
214 resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
215 depending on the divider bit. It is set to /4 on the 2 lowest
217 n=((i<=2?2:1)*freq*10L)/(XTAL/100);
218 a=n%32; n/=32; if(a==0) n--;
219 pump=(freq<(osci[i-1]+osci[i])/2);
221 ((pump?1:2)<<(14+11))|
224 /* everything is shifted left 11 bits to left-align the bits in the
225 32bit word. Output to the tuner goes MSB-aligned, after all */
226 printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
227 cx24110_pll_write(fe,band);
228 /* set vga and vca to their widest-band settings, as a precaution.
229 SetSymbolrate might not be called to set this up */
230 cx24110_pll_write(fe,0x500c0000);
231 cx24110_pll_write(fe,0x83f1f800);
232 cx24110_pll_write(fe,pll);
233 //writereg(client,0x56,0x7f);
238 static int pinnsat_pll_init(struct dvb_frontend* fe)
243 static struct cx24110_config pctvsat_config = {
244 .demod_address = 0x55,
245 .pll_init = pinnsat_pll_init,
246 .pll_set = cx24108_pll_set,
249 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
251 struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
252 u8 cfg, cpump, band_select;
255 struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
257 div = (36000000 + params->frequency + 83333) / 166666;
260 if (params->frequency < 175000000)
262 else if (params->frequency < 390000000)
264 else if (params->frequency < 470000000)
266 else if (params->frequency < 750000000)
271 if (params->frequency < 175000000)
273 else if (params->frequency < 470000000)
278 data[0] = (div >> 8) & 0x7f;
279 data[1] = div & 0xff;
280 data[2] = ((div >> 10) & 0x60) | cfg;
281 data[3] = cpump | band_select;
283 i2c_transfer(card->i2c_adapter, &msg, 1);
284 return (div * 166666 - 36000000);
287 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
289 struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
291 return request_firmware(fw, name, &bt->bt->dev->dev);
294 static struct sp887x_config microtune_mt7202dtf_config = {
295 .demod_address = 0x70,
296 .pll_set = microtune_mt7202dtf_pll_set,
297 .request_firmware = microtune_mt7202dtf_request_firmware,
300 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
302 static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
303 static u8 mt352_reset [] = { 0x50, 0x80 };
304 static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
305 static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
306 0x00, 0xFF, 0x00, 0x40, 0x40 };
307 static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
308 static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
310 mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
312 mt352_write(fe, mt352_reset, sizeof(mt352_reset));
313 mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
315 mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
317 mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
318 mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
323 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
326 unsigned char bs = 0;
327 unsigned char cp = 0;
329 #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
330 div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
332 if (params->frequency < 150000000)
334 else if (params->frequency < 173000000)
336 else if (params->frequency < 250000000)
338 else if (params->frequency < 400000000)
340 else if (params->frequency < 420000000)
342 else if (params->frequency < 470000000)
344 else if (params->frequency < 600000000)
346 else if (params->frequency < 730000000)
351 if (params->frequency < 150000000)
353 else if (params->frequency < 173000000)
355 else if (params->frequency < 250000000)
357 else if (params->frequency < 400000000)
359 else if (params->frequency < 420000000)
361 else if (params->frequency < 470000000)
363 else if (params->frequency < 600000000)
365 else if (params->frequency < 730000000)
370 pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
371 pllbuf[1] = div >> 8;
372 pllbuf[2] = div & 0xff;
379 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
380 .demod_address = 0x0f,
381 .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
382 .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
385 static struct dst_config dst_config = {
386 .demod_address = 0x55,
389 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
391 struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
393 return request_firmware(fw, name, &bt->bt->dev->dev);
396 static void or51211_setmode(struct dvb_frontend * fe, int mode)
398 struct dvb_bt8xx_card *bt = fe->dvb->priv;
399 bttv_write_gpio(bt->bttv_nr, 0x0002, mode); /* Reset */
403 static void or51211_reset(struct dvb_frontend * fe)
405 struct dvb_bt8xx_card *bt = fe->dvb->priv;
408 * reset is controled by GPIO-0
409 * when set to 0 causes reset and when to 1 for normal op
410 * must remain reset for 128 clock cycles on a 50Mhz clock
411 * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
412 * We assume that the reset has be held low long enough or we
413 * have been reset by a power on. When the driver is unloaded
414 * reset set to 0 so if reloaded we have been reset.
416 /* reset & PRM1,2&4 are outputs */
417 int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
419 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR "
421 bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000); /* Reset */
423 /* Now set for normal operation */
424 bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
425 /* wait for operation to begin */
429 static void or51211_sleep(struct dvb_frontend * fe)
431 struct dvb_bt8xx_card *bt = fe->dvb->priv;
432 bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
435 static struct or51211_config or51211_config = {
436 .demod_address = 0x15,
437 .request_firmware = or51211_request_firmware,
438 .setmode = or51211_setmode,
439 .reset = or51211_reset,
440 .sleep = or51211_sleep,
443 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
445 struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
448 struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
450 div = (params->frequency + 36166667) / 166667;
452 buf[0] = (div >> 8) & 0x7F;
455 if ((params->frequency >= 47000000) && (params->frequency < 153000000))
457 else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
459 else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
461 else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
466 i2c_transfer(card->i2c_adapter, &msg, 1);
470 static struct nxt6000_config vp3021_alps_tded4_config = {
471 .demod_address = 0x0a,
472 .clock_inversion = 1,
473 .pll_set = vp3021_alps_tded4_pll_set,
476 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
479 struct dst_state* state = NULL;
482 #ifdef BTTV_DVICO_DVBT_LITE
483 case BTTV_DVICO_DVBT_LITE:
484 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
485 if (card->fe != NULL) {
486 card->fe->ops->info.frequency_min = 174000000;
487 card->fe->ops->info.frequency_max = 862000000;
493 #ifdef BTTV_TWINHAN_VP3021
494 case BTTV_TWINHAN_VP3021:
496 case BTTV_NEBULA_DIGITV:
498 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
499 if (card->fe != NULL)
503 case BTTV_AVDVBT_761:
504 card->fe = sp887x_attach(µtune_mt7202dtf_config, card->i2c_adapter);
505 if (card->fe != NULL)
509 case BTTV_AVDVBT_771:
510 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
511 if (card->fe != NULL) {
512 card->fe->ops->info.frequency_min = 174000000;
513 card->fe->ops->info.frequency_max = 862000000;
518 case BTTV_TWINHAN_DST:
519 /* DST is not a frontend driver !!! */
520 state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
522 state->config = &dst_config;
523 state->i2c = card->i2c_adapter;
524 state->bt = card->bt;
526 /* DST is not a frontend, attaching the ASIC */
527 if ((dst_attach(state, &card->dvb_adapter)) == NULL) {
528 printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
531 card->fe = &state->frontend;
533 /* Attach other DST peripherals if any */
534 /* Conditional Access device */
535 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
536 ret = dst_ca_attach(state, &card->dvb_adapter);
538 if (card->fe != NULL)
542 case BTTV_PINNACLESAT:
543 card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
544 if (card->fe != NULL)
549 card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
550 if (card->fe != NULL)
555 if (card->fe == NULL)
556 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
557 card->bt->dev->vendor,
558 card->bt->dev->device,
559 card->bt->dev->subsystem_vendor,
560 card->bt->dev->subsystem_device);
562 if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
563 printk("dvb-bt8xx: Frontend registration failed!\n");
564 if (card->fe->ops->release)
565 card->fe->ops->release(card->fe);
570 static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
574 if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE)) < 0) {
575 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
578 card->dvb_adapter.priv = card;
580 card->bt->adapter = card->i2c_adapter;
582 memset(&card->demux, 0, sizeof(struct dvb_demux));
584 card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
586 card->demux.priv = card;
587 card->demux.filternum = 256;
588 card->demux.feednum = 256;
589 card->demux.start_feed = dvb_bt8xx_start_feed;
590 card->demux.stop_feed = dvb_bt8xx_stop_feed;
591 card->demux.write_to_decoder = NULL;
593 if ((result = dvb_dmx_init(&card->demux)) < 0) {
594 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
596 dvb_unregister_adapter(&card->dvb_adapter);
600 card->dmxdev.filternum = 256;
601 card->dmxdev.demux = &card->demux.dmx;
602 card->dmxdev.capabilities = 0;
604 if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
605 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
607 dvb_dmx_release(&card->demux);
608 dvb_unregister_adapter(&card->dvb_adapter);
612 card->fe_hw.source = DMX_FRONTEND_0;
614 if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
615 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
617 dvb_dmxdev_release(&card->dmxdev);
618 dvb_dmx_release(&card->demux);
619 dvb_unregister_adapter(&card->dvb_adapter);
623 card->fe_mem.source = DMX_MEMORY_FE;
625 if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
626 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
628 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
629 dvb_dmxdev_release(&card->dmxdev);
630 dvb_dmx_release(&card->demux);
631 dvb_unregister_adapter(&card->dvb_adapter);
635 if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
636 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
638 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
639 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
640 dvb_dmxdev_release(&card->dmxdev);
641 dvb_dmx_release(&card->demux);
642 dvb_unregister_adapter(&card->dvb_adapter);
646 dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
648 tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
650 frontend_init(card, type);
655 static int dvb_bt8xx_probe(struct device *dev)
657 struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
658 struct dvb_bt8xx_card *card;
659 struct pci_dev* bttv_pci_dev;
662 if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
665 memset(card, 0, sizeof(*card));
666 init_MUTEX(&card->lock);
667 card->bttv_nr = sub->core->nr;
668 strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
669 card->i2c_adapter = &sub->core->i2c_adap;
671 switch(sub->core->type) {
672 case BTTV_PINNACLESAT:
673 card->gpio_mode = 0x0400c060;
674 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
675 BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
676 card->op_sync_orin = 0;
677 card->irq_err_ignore = 0;
680 #ifdef BTTV_DVICO_DVBT_LITE
681 case BTTV_DVICO_DVBT_LITE:
683 card->gpio_mode = 0x0400C060;
684 card->op_sync_orin = 0;
685 card->irq_err_ignore = 0;
687 * A_PWRDN DA_DPM DA_SBR DA_IOM_DA
688 * DA_APP(parallel) */
691 #ifdef BTTV_TWINHAN_VP3021
692 case BTTV_TWINHAN_VP3021:
694 case BTTV_NEBULA_DIGITV:
696 case BTTV_AVDVBT_761:
697 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
698 card->op_sync_orin = 0;
699 card->irq_err_ignore = 0;
700 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
703 case BTTV_AVDVBT_771: //case 0x07711461:
704 card->gpio_mode = 0x0400402B;
705 card->op_sync_orin = BT878_RISC_SYNC_MASK;
706 card->irq_err_ignore = 0;
707 /* A_PWRDN DA_SBR DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
710 case BTTV_TWINHAN_DST:
711 card->gpio_mode = 0x2204f2c;
712 card->op_sync_orin = BT878_RISC_SYNC_MASK;
713 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
714 BT878_APPERR | BT878_AFBUS;
715 /* 25,21,14,11,10,9,8,3,2 then
717 * A_SEL=SML, DA_MLB, DA_SBR,
718 * DA_SDR=f, fifo trigger = 32 DWORDS
719 * IOM = 0 == audio A/D
720 * DPM = 0 == digital audio mode
721 * == async data parallel port
722 * then 0x33 (13 is set by start_capture)
723 * DA_APP = async data parallel port,
725 * RISC+FIFO ENABLE */
729 card->gpio_mode = 0x0100EC7B;
730 card->op_sync_orin = 0;
731 card->irq_err_ignore = 0;
735 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
741 dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
743 if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
744 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
749 if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
750 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
752 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
753 "installed, try removing it.\n");
759 init_MUTEX(&card->bt->gpio_lock);
760 card->bt->bttv_nr = sub->core->nr;
762 if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
767 dev_set_drvdata(dev, card);
771 static int dvb_bt8xx_remove(struct device *dev)
773 struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
775 dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
777 bt878_stop(card->bt);
778 tasklet_kill(&card->bt->tasklet);
779 dvb_net_release(&card->dvbnet);
780 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
781 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
782 dvb_dmxdev_release(&card->dmxdev);
783 dvb_dmx_release(&card->demux);
785 dvb_unregister_frontend(card->fe);
786 dvb_unregister_adapter(&card->dvb_adapter);
793 static struct bttv_sub_driver driver = {
796 .probe = dvb_bt8xx_probe,
797 .remove = dvb_bt8xx_remove,
799 * .shutdown = dvb_bt8xx_shutdown,
800 * .suspend = dvb_bt8xx_suspend,
801 * .resume = dvb_bt8xx_resume,
806 static int __init dvb_bt8xx_init(void)
808 return bttv_sub_register(&driver, "dvb");
811 static void __exit dvb_bt8xx_exit(void)
813 bttv_sub_unregister(&driver);
816 module_init(dvb_bt8xx_init);
817 module_exit(dvb_bt8xx_exit);
819 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
820 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
821 MODULE_LICENSE("GPL");