1/* $SourceForge: bktr_card.c,v 1.3 2003/03/11 23:11:21 thomasklausner Exp $ */
2
3/*	$NetBSD: bktr_card.c,v 1.24 2007/10/19 12:01:02 ad Exp $	*/
4/* $FreeBSD: src/sys/dev/bktr/bktr_card.c,v 1.16 2000/10/31 13:09:56 roger Exp$ */
5
6/*
7 * This is part of the Driver for Video Capture Cards (Frame grabbers)
8 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
9 * chipset.
10 * Copyright Roger Hardiman and Amancio Hasty.
11 *
12 * bktr_card : This deals with identifying TV cards.
13 *               trying to find the card make and model of card.
14 *               trying to find the type of tuner fitted.
15 *               reading the configuration EEPROM.
16 *               locating i2c devices.
17 *
18 */
19
20/*
21 * 1. Redistributions of source code must retain the
22 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
23 * All rights reserved.
24 *
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
27 * are met:
28 * 1. Redistributions of source code must retain the above copyright
29 *    notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 *    notice, this list of conditions and the following disclaimer in the
32 *    documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 *    must display the following acknowledgement:
35 *      This product includes software developed by Amancio Hasty and
36 *      Roger Hardiman
37 * 4. The name of the author may not be used to endorse or promote products
38 *    derived from this software without specific prior written permission.
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
41 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
42 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
43 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
44 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
45 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
46 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
49 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
50 * POSSIBILITY OF SUCH DAMAGE.
51 */
52
53#include <sys/cdefs.h>
54__KERNEL_RCSID(0, "$NetBSD: bktr_card.c,v 1.24 2007/10/19 12:01:02 ad Exp $");
55
56#include "opt_bktr.h"		/* Include any kernel config options */
57
58#include <sys/param.h>
59#include <sys/systm.h>
60#include <sys/vnode.h>
61
62#ifdef __FreeBSD__
63
64#if (__FreeBSD_version < 500000)
65#include <machine/clock.h>              /* for DELAY */
66#endif
67
68#include <pci/pcivar.h>
69
70#if (__FreeBSD_version >=300000)
71#include <machine/bus_memio.h>	/* for bus space */
72#include <sys/bus.h>
73#include <sys/bus.h>
74#endif
75#endif
76
77#ifdef __NetBSD__
78#include <dev/ic/bt8xx.h>	/* NetBSD location for .h files */
79#include <dev/pci/bktr/bktr_reg.h>
80#include <dev/pci/bktr/bktr_core.h>
81#include <dev/pci/bktr/bktr_tuner.h>
82#include <dev/pci/bktr/bktr_card.h>
83#include <dev/pci/bktr/bktr_audio.h>
84#else
85#include <machine/ioctl_meteor.h>	/* Traditional location for .h files */
86#include <machine/ioctl_bt848.h>        /* extensions to ioctl_meteor.h */
87#include <dev/bktr/bktr_reg.h>
88#include <dev/bktr/bktr_core.h>
89#include <dev/bktr/bktr_tuner.h>
90#include <dev/bktr/bktr_card.h>
91#include <dev/bktr/bktr_audio.h>
92#endif
93
94/* Include the PCI Vendor definitions */
95#ifdef __NetBSD__
96#include <dev/pci/pcidevs.h>
97#include <dev/pci/pcireg.h>
98#endif
99
100/* Various defines */
101#define HAUP_REMOTE_INT_WADDR   0x30
102#define HAUP_REMOTE_INT_RADDR   0x31
103
104#define HAUP_REMOTE_EXT_WADDR   0x34
105#define HAUP_REMOTE_EXT_RADDR   0x35
106
107/* address of BTSC/SAP decoder chip */
108#define TDA9850_WADDR           0xb6
109#define TDA9850_RADDR           0xb7
110
111/* address of MSP3400C chip */
112#define MSP3400C_WADDR          0x80
113#define MSP3400C_RADDR          0x81
114
115/* address of DPL3518A chip */
116#define DPL3518A_WADDR          0x84
117#define DPL3518A_RADDR          0x85
118
119/* EEProm (128 * 8) on an STB card */
120#define X24C01_WADDR            0xae
121#define X24C01_RADDR            0xaf
122
123
124/* EEProm (256 * 8) on a Hauppauge card */
125/* and on most BT878s cards to store the sub-system vendor id */
126#define PFC8582_WADDR           0xa0
127#define PFC8582_RADDR		0xa1
128
129#if BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL
130#define DEFAULT_TUNER   PHILIPS_PALI
131#else
132#define DEFAULT_TUNER   PHILIPS_NTSC
133#endif
134
135
136
137
138/*
139 * the data for each type of card
140 *
141 * Note:
142 *   these entried MUST be kept in the order defined by the CARD_XXX defines!
143 */
144static const struct CARDTYPE cards[] = {
145
146	{  CARD_UNKNOWN,			/* the card id */
147	  "Unknown",				/* the 'name' */
148	   NULL,				/* the tuner */
149	   0,					/* the tuner i2c address */
150	   0,					/* dbx unknown */
151	   0,
152	   0,
153	   0,					/* EEProm unknown */
154	   0,					/* EEProm unknown */
155	   { 0, 0, 0, 0, 0 },
156	   0 },					/* GPIO mask */
157
158	{  CARD_MIRO,				/* the card id */
159	  "Pinnacle/Miro TV",			/* the 'name' */
160	   NULL,				/* the tuner */
161	   0,					/* the tuner i2c address */
162	   0,					/* dbx unknown */
163	   0,
164	   0,
165	   0,					/* EEProm unknown */
166	   0,					/* size unknown */
167	   { 0x02, 0x01, 0x00, 0x0a, 1 },	/* audio MUX values */
168	   0x0f },				/* GPIO mask */
169
170	{  CARD_HAUPPAUGE,			/* the card id */
171	  "Hauppauge WinCast/TV",		/* the 'name' */
172	   NULL,				/* the tuner */
173	   0,					/* the tuner i2c address */
174	   0,					/* dbx is optional */
175	   0,
176	   0,
177	   PFC8582_WADDR,			/* EEProm type */
178	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
179	   { 0x00, 0x02, 0x01, 0x04, 1 },	/* audio MUX values */
180	   0x0f },				/* GPIO mask */
181
182	{  CARD_STB,				/* the card id */
183	  "STB TV/PCI",				/* the 'name' */
184	   NULL,				/* the tuner */
185	   0,					/* the tuner i2c address */
186	   0,					/* dbx is optional */
187	   0,
188	   0,
189	   X24C01_WADDR,			/* EEProm type */
190	   (u_char)(128 / EEPROMBLOCKSIZE),	/* 128 bytes */
191	   { 0x00, 0x01, 0x02, 0x02, 1 }, 	/* audio MUX values */
192	   0x0f },				/* GPIO mask */
193
194	{  CARD_INTEL,				/* the card id */
195	  "Intel Smart Video III/VideoLogic Captivator PCI", /* the 'name' */
196	   NULL,				/* the tuner */
197	   0,					/* the tuner i2c address */
198	   0,
199	   0,
200	   0,
201	   0,
202	   0,
203	   { 0, 0, 0, 0, 0 }, 			/* audio MUX values */
204	   0x00 },				/* GPIO mask */
205
206	{  CARD_IMS_TURBO,			/* the card id */
207	  "IMS TV Turbo",			/* the 'name' */
208	   NULL,				/* the tuner */
209	   0,					/* the tuner i2c address */
210	   0,					/* dbx is optional */
211	   0,
212	   0,
213	   PFC8582_WADDR,			/* EEProm type */
214	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
215	   { 0x01, 0x02, 0x01, 0x00, 1 },	/* audio MUX values */
216	   0x0f },				/* GPIO mask */
217
218        {  CARD_AVER_MEDIA,			/* the card id */
219          "AVer Media TV/FM",                   /* the 'name' */
220           NULL,                                /* the tuner */
221	   0,					/* the tuner i2c address */
222           0,                                   /* dbx is optional */
223           0,
224	   0,
225           0,                                   /* EEProm type */
226           0,                                   /* EEProm size */
227           { 0x0c, 0x08, 0x04, 0x00, 1 },	/* audio MUX values */
228	   0x1f },				/* GPIO mask */
229
230        {  CARD_OSPREY,				/* the card id */
231          "MMAC Osprey",                   	/* the 'name' */
232           NULL,                                /* the tuner */
233	   0,					/* the tuner i2c address */
234           0,                                   /* dbx is optional */
235	   0,
236           0,
237	   PFC8582_WADDR,			/* EEProm type */
238	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
239           { 0x00, 0x00, 0x00, 0x00, 0 },	/* audio MUX values */
240	   0 },					/* GPIO mask */
241
242        {  CARD_NEC_PK,                         /* the card id */
243          "NEC PK-UG-X017",                     /* the 'name' */
244           NULL,                                /* the tuner */
245           0,                                   /* the tuner i2c address */
246           0,                                   /* dbx is optional */
247	   0,
248           0,
249           0,                                   /* EEProm type */
250           0,                                   /* EEProm size */
251           { 0x01, 0x02, 0x01, 0x00, 1 },	/* audio MUX values */
252	   0x0f },				/* GPIO mask */
253
254        {  CARD_IO_GV,                          /* the card id */
255          "I/O DATA GV-BCTV2/PCI",              /* the 'name' */
256           NULL,                                /* the tuner */
257           0,                                   /* the tuner i2c address */
258           0,                                   /* dbx is optional */
259           0,
260	   0,
261           0,                                   /* EEProm type */
262           0,                                   /* EEProm size */
263           { 0x00, 0x00, 0x00, 0x00, 1 },	/* Has special MUX handler */
264	   0x0f },				/* GPIO mask */
265
266        {  CARD_FLYVIDEO,			/* the card id */
267          "FlyVideo",				/* the 'name' */
268           NULL,				/* the tuner */
269           0,					/* the tuner i2c address */
270           0,					/* dbx is optional */
271           0,					/* msp34xx is optional */
272           0,					/* dpl3518a is optional */
273	   0xac,				/* EEProm type */
274	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
275           { 0x000, 0x800, 0x400, 0x8dff00, 1 },/* audio MUX values */
276	   0x8dff00 },				/* GPIO mask */
277
278	{  CARD_ZOLTRIX,			/* the card id */
279	  "Zoltrix",				/* the 'name' */
280           NULL,				/* the tuner */
281           0,					/* the tuner i2c address */
282           0,					/* dbx is optional */
283           0,					/* msp34xx is optional */
284           0,					/* dpl3518a is optional */
285	   0,					/* EEProm type */
286	   0,					/* EEProm size */
287	   { 0x04, 0x01, 0x00, 0x0a, 1 },	/* audio MUX values */
288	   0x0f },				/* GPIO mask */
289
290	{  CARD_KISS,				/* the card id */
291	  "KISS TV/FM PCI",			/* the 'name' */
292           NULL,				/* the tuner */
293           0,					/* the tuner i2c address */
294           0,					/* dbx is optional */
295           0,					/* msp34xx is optional */
296           0,					/* dpl3518a is optional */
297	   0,					/* EEProm type */
298	   0,					/* EEProm size */
299	   { 0x0c, 0x00, 0x0b, 0x0b, 1 },	/* audio MUX values */
300	   0x0f },				/* GPIO mask */
301
302	{  CARD_VIDEO_HIGHWAY_XTREME,		/* the card id */
303	  "Video Highway Xtreme",		/* the 'name' */
304           NULL,				/* the tuner */
305	   0,
306	   0,
307	   0,
308	   0,
309	   0,					/* EEProm type */
310	   0,					/* EEProm size */
311	   { 0x00, 0x02, 0x01, 0x04, 1 },	/* audio MUX values */
312	   0x0f },				/* GPIO mask */
313
314	{  CARD_ASKEY_DYNALINK_MAGIC_TVIEW,	/* the card id */
315	  "Askey/Dynalink Magic TView",		/* the 'name' */
316	   NULL,				/* the tuner */
317	   0,
318	   0,
319	   0,
320	   0,
321	   0,					/* EEProm type */
322	   0,					/* EEProm size */
323	   { 0x400, 0xE00, 0x400, 0xC00, 1 },	/* audio MUX values */
324	   0xE00 },				/* GPIO mask */
325
326	{  CARD_LEADTEK,			/* the card id */
327	  "Leadtek WinFast TV2000/VC100",	/* the 'name' */
328	   NULL,				/* the tuner */
329	   0,
330	   0,
331	   0,
332	   0,
333	   0,					/* EEProm type */
334	   0,					/* EEProm size */
335	   /* Tuner, Extern, Intern, Mute, Enabled */
336	   { 0x621000, 0x621000, 0x621000, 0xE21000, 1 }, /* audio MUX values */
337	   0xfff000 },				/* GPIO mask */
338
339        {  CARD_TERRATVPLUS,                    /* the card id */
340          "TerraTVplus",                        /* the 'name' */
341           NULL,                                /* the tuner */
342	   0,
343	   0,
344	   0,
345	   0,
346	   0,					/* EEProm type */
347	   0,					/* EEProm size */
348           { 0x20000, 0x00000, 0x30000, 0x40000, 1 }, /* audio MUX values*/
349           0x70000 },                           /* GPIO mask */
350
351        {  CARD_TERRATVALUE,                    /* the card id */
352          "Terratec TValue",                    /* the 'name' */
353           NULL,                                /* the tuner */
354           0,
355           0,
356           0,
357           0,
358           0,                                   /* EEProm type */
359           0,                                   /* EEProm size */
360           { 0x500, 0x900, 0x300, 0x900, 1 },   /* audio MUX values*/
361           0xffff00 },                          /* GPIO mask */
362
363};
364
365struct bt848_card_sig bt848_card_signature[1]= {
366  /* IMS TURBO TV : card 5 */
367    {  5,9, {00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 00, 00}}
368
369
370};
371
372
373/*
374 * Write to the configuration EEPROM on the card.
375 * This is dangerous and will mess up your card. Therefore it is not
376 * implemented.
377 */
378int
379writeEEProm(bktr_ptr_t bktr, int offset, int count,
380    u_char *data)
381{
382        return(-1);
383}
384
385/*
386 * Read the contents of the configuration EEPROM on the card.
387 * (This is not fitted to all makes of card. All Hauppauge cards have them
388 * and so do newer Bt878 based cards.
389 */
390int
391readEEProm(bktr_ptr_t bktr, int offset, int count, u_char *data)
392{
393	int	x;
394	int	addr;
395	int	xmax;
396	int	byte;
397
398	/* get the address of the EEProm */
399	addr = (int)(bktr->card.eepromAddr & 0xff);
400	if (addr == 0)
401		return(-1);
402
403	xmax = (int)(bktr->card.eepromSize * EEPROMBLOCKSIZE);
404	if ((offset + count) > xmax)
405		return(-1);
406
407	/* set the start address */
408	if (i2cWrite(bktr, addr, offset, -1) == -1)
409		return(-1);
410
411	/* the read cycle */
412	for (x = 0; x < count; ++x) {
413		if ((byte = i2cRead(bktr, (addr | 1))) == -1)
414			return(-1);
415		data[x] = byte;
416	}
417
418	return(0);
419}
420
421
422#define ABSENT		(-1)
423
424/*
425 * get a signature of the card
426 * read all 128 possible i2c read addresses from 0x01 thru 0xff
427 * build a bit array with a 1 bit for each i2c device that responds
428 *
429 * XXX FIXME: use offset & count args
430 */
431int
432signCard(bktr_ptr_t bktr, int offset, int count, u_char* sig)
433{
434	int	x;
435
436	for (x = 0; x < 16; ++x)
437		sig[x] = 0;
438
439	for (x = 0; x < count; ++x) {
440		if (i2cRead(bktr, (2 * x) + 1) != ABSENT) {
441			sig[x / 8] |= (1 << (x % 8));
442		}
443	}
444
445	return(0);
446}
447
448
449/*
450 * check_for_i2c_devices.
451 * Some BT848 cards have no tuner and no additional i2c devices
452 * eg stereo decoder. These are used for video conferencing or capture from
453 * a video camera. (eg VideoLogic Captivator PCI, Intel SmartCapture card).
454 *
455 * Determine if there are any i2c devices present. There are none present if
456 *  a) reading from all 128 devices returns ABSENT (-1) for each one
457 *     (eg VideoLogic Captivator PCI with BT848)
458 *  b) reading from all 128 devices returns 0 for each one
459 *     (eg VideoLogic Captivator PCI rev. 2F with BT848A)
460 */
461static int check_for_i2c_devices(bktr_ptr_t bktr) {
462  int x, temp_read;
463  int i2c_all_0 = 1;
464  int i2c_all_absent = 1;
465  for (x = 0; x < 128; ++x) {
466    temp_read = i2cRead(bktr, (2 * x) + 1);
467    if (temp_read != 0)      i2c_all_0 = 0;
468    if (temp_read != ABSENT) i2c_all_absent = 0;
469  }
470
471  if ((i2c_all_0) || (i2c_all_absent)) return 0;
472  else return 1;
473}
474
475
476/*
477 * Temic/Philips datasheets say tuners can be at i2c addresses 0xc0, 0xc2,
478 * 0xc4 or 0xc6, settable by links on the tuner.
479 * Determine the actual address used on the TV card by probing read addresses.
480 */
481static int locate_tuner_address(bktr_ptr_t bktr) {
482  if (i2cRead(bktr, 0xc1) != ABSENT) return 0xc0;
483  if (i2cRead(bktr, 0xc3) != ABSENT) return 0xc2;
484  if (i2cRead(bktr, 0xc5) != ABSENT) return 0xc4;
485  if (i2cRead(bktr, 0xc7) != ABSENT) return 0xc6;
486  return -1; /* no tuner found */
487}
488
489
490/*
491 * Search for a configuration EEPROM on the i2c bus by looking at i2c addresses
492 * where EEPROMs are usually found.
493 * On some cards, the EEPROM appears in several locations, but all in the
494 * range 0xa0 to 0xae.
495 */
496static int locate_eeprom_address(bktr_ptr_t bktr) {
497  if (i2cRead(bktr, 0xa0) != ABSENT) return 0xa0;
498  if (i2cRead(bktr, 0xac) != ABSENT) return 0xac;
499  if (i2cRead(bktr, 0xae) != ABSENT) return 0xae;
500  return -1; /* no eeprom found */
501}
502
503
504/*
505 * determine the card brand/model
506 * BKTR_OVERRIDE_CARD, BKTR_OVERRIDE_TUNER, BKTR_OVERRIDE_DBX and
507 * BKTR_OVERRIDE_MSP can be used to select a specific device,
508 * regardless of the autodetection and i2c device checks.
509 *
510 * The scheme used for probing cards faces these problems:
511 *  It is impossible to work out which type of tuner is actually fitted,
512 *  (the driver cannot tell if the Tuner is PAL or NTSC, Temic or Philips)
513 *  It is impossible to determine what audio-mux hardware is connected.
514 *  It is impossible to determine if there is extra hardware connected to the
515 *  GPIO pins  (eg radio chips or MSP34xx reset logic)
516 *
517 * However some makes of card (eg Hauppauge) come with a configuration eeprom
518 * which tells us the make of the card. Most eeproms also tell us the
519 * tuner type and other features of the cards.
520 *
521 * The current probe code works as follows
522 * A) If the card uses a Bt878/879:
523 *   1) Read the sub-system vendor id from the configuration EEPROM.
524 *      Select the required tuner, audio mux arrangement and any other
525 *      onboard features. If this fails, move to step B.
526 * B) If it card uses a Bt848, 848A, 849A or an unknown Bt878/879:
527 *   1) Look for I2C devices. If there are none fitted, it is an Intel or
528 *      VideoLogic cards.
529 *   2) Look for a configuration EEPROM.
530 *   2a) If there is one at I2C address 0xa0 it may be
531 *       a Hauppauge or an Osprey. Check the EEPROM contents to determine which
532 *       one it is. For Hauppauge, select the tuner type and audio hardware.
533 *   2b) If there is an EEPROM at I2C address 0xa8 it will be an STB card.
534 *       We still have to guess on the tuner type.
535 *
536 * C) If we do not know the card type from (A) or (B), guess at the tuner
537 *    type based on the I2C address of the tuner.
538 *
539 * D) After determining the Tuner Type, we probe the i2c bus for other
540 *    devices at known locations, eg IR-Remote Control, MSP34xx and TDA
541 *    stereo chips.
542 */
543
544
545/*
546 * These are the sub-system vendor ID codes stored in the
547 * configuration EEPROM used on Bt878/879 cards. They should match the
548 * number assigned to the company by the PCI Special Interest Group
549 */
550#ifndef __NetBSD__
551#define PCI_VENDOR_HAUPPAUGE	0x0070
552#define PCI_VENDOR_AVERMEDIA	0x1461
553#define PCI_VENDOR_STB		0x10B4
554#define PCI_VENDOR_ASKEY	0x144F
555#define PCI_VENDOR_TERRATEC	0x153B
556#endif
557/* Following not confirmed with http://www.pcidatabase.com/,
558   so not added to NetBSD's pcidevs */
559#define PCI_VENDOR_LEADTEK_ALT	0x6606
560#define PCI_VENDOR_LEADTEK_ALT_2	0x6607
561#define PCI_VENDOR_LEADTEK_ALT_3	0x107D
562#define PCI_VENDOR_FLYVIDEO	0x1851
563#define PCI_VENDOR_FLYVIDEO_2	0x1852
564#define PCI_VENDOR_PINNACLE_ALT	0xBD11
565
566#define MODEL_TERRATVALUE_1118	0x1118
567#define MODEL_TERRATVALUE_1134	0x1134
568
569void
570probeCard(bktr_ptr_t bktr, int verbose, int unit)
571{
572	int		card, i,j, card_found;
573	int		status;
574	u_char 		probe_signature[128], *probe_temp;
575        int   		any_i2c_devices;
576	u_char 		eeprom[256];
577	int 		tuner_i2c_address = -1;
578	int 		eeprom_i2c_address = -1;
579
580	/* Select all GPIO bits as inputs */
581	OUTL(bktr, BKTR_GPIO_OUT_EN, 0);
582	if (bootverbose)
583	    printf("%s: GPIO is 0x%08x\n", bktr_name(bktr),
584		   INL(bktr, BKTR_GPIO_DATA));
585
586#ifdef HAUPPAUGE_MSP_RESET
587	/* Reset the MSP34xx audio chip. This resolves bootup card
588	 * detection problems with old Bt848 based Hauppauge cards with
589	 * MSP34xx stereo audio chips. This must be user enabled because
590	 * at this point the probe function does not know the card type. */
591        OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5));
592        OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
593        DELAY(2500); /* wait 2.5ms */
594        OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */
595        DELAY(2500); /* wait 2.5ms */
596        OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
597        DELAY(2500); /* wait 2.5ms */
598#endif
599
600	/* Check for the presence of i2c devices */
601        any_i2c_devices = check_for_i2c_devices(bktr);
602
603
604	/* Check for a user specified override on the card selection */
605#if defined(BKTR_OVERRIDE_CARD)
606	bktr->card = cards[(card = BKTR_OVERRIDE_CARD)];
607	goto checkEEPROM;
608#endif
609	if (bktr->bt848_card != -1) {
610	  bktr->card = cards[(card = bktr->bt848_card)];
611	  goto checkEEPROM;
612	}
613
614
615	/* No override, so try and determine the make of the card */
616
617        /* On BT878/879 cards, read the sub-system vendor id */
618	/* This identifies the manufacturer of the card and the model */
619	/* In theory this can be read from PCI registers but this does not */
620	/* appear to work on the FlyVideo 98. Hauppauge also warned that */
621	/* the PCI registers are sometimes not loaded correctly. */
622	/* Therefore, I will read the sub-system vendor ID from the EEPROM */
623	/* (just like the Bt878 does during power up initialisation) */
624
625        if ((bktr->id==BROOKTREE_878) || (bktr->id==BROOKTREE_879)) {
626	    /* Try and locate the EEPROM */
627	    eeprom_i2c_address = locate_eeprom_address(bktr);
628	    if (eeprom_i2c_address != -1) {
629
630                unsigned int subsystem_vendor_id; /* vendors PCI-SIG ID */
631                unsigned int subsystem_id;        /* board model number */
632		unsigned int byte_252, byte_253, byte_254, byte_255;
633
634		bktr->card = cards[(card = CARD_UNKNOWN)];
635		bktr->card.eepromAddr = eeprom_i2c_address;
636		bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
637
638	        if(readEEProm(bktr, 0, 256, (u_char *) &eeprom))
639		    printf("%s: error reading EEPROM\n", bktr_name(bktr));
640
641                byte_252 = (unsigned int)eeprom[252];
642                byte_253 = (unsigned int)eeprom[253];
643                byte_254 = (unsigned int)eeprom[254];
644                byte_255 = (unsigned int)eeprom[255];
645
646                subsystem_id        = (byte_252 << 8) | byte_253;
647                subsystem_vendor_id = (byte_254 << 8) | byte_255;
648
649	        if (bootverbose)
650	            printf("%s: subsystem 0x%04x 0x%04x\n", bktr_name(bktr),
651			   subsystem_vendor_id, subsystem_id);
652
653                if (subsystem_vendor_id == PCI_VENDOR_AVERMEDIA) {
654                    bktr->card = cards[(card = CARD_AVER_MEDIA)];
655		    bktr->card.eepromAddr = eeprom_i2c_address;
656		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
657                    goto checkTuner;
658                }
659
660                if (subsystem_vendor_id == PCI_VENDOR_HAUPPAUGE) {
661                    bktr->card = cards[(card = CARD_HAUPPAUGE)];
662		    bktr->card.eepromAddr = eeprom_i2c_address;
663		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
664                    goto checkTuner;
665                }
666
667                if ((subsystem_vendor_id == PCI_VENDOR_FLYVIDEO)
668                 || (subsystem_vendor_id == PCI_VENDOR_FLYVIDEO_2)) {
669                    bktr->card = cards[(card = CARD_FLYVIDEO)];
670		    bktr->card.eepromAddr = eeprom_i2c_address;
671		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
672                    goto checkTuner;
673                }
674
675                if (subsystem_vendor_id == PCI_VENDOR_STB) {
676                    bktr->card = cards[(card = CARD_STB)];
677		    bktr->card.eepromAddr = eeprom_i2c_address;
678		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
679                    goto checkTuner;
680                }
681
682                if (subsystem_vendor_id == PCI_VENDOR_ASKEY) {
683                    bktr->card = cards[(card = CARD_ASKEY_DYNALINK_MAGIC_TVIEW)];
684		    bktr->card.eepromAddr = eeprom_i2c_address;
685		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
686                    goto checkTuner;
687                }
688
689                if ((subsystem_vendor_id == PCI_VENDOR_LEADTEK)
690                 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT)
691                 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT_2)
692                 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT_3)) {
693                    bktr->card = cards[(card = CARD_LEADTEK)];
694		    bktr->card.eepromAddr = eeprom_i2c_address;
695		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
696                    goto checkTuner;
697                }
698
699		if (subsystem_vendor_id == PCI_VENDOR_PINNACLE_ALT) {
700                    bktr->card = cards[(card = CARD_MIRO)];
701		    bktr->card.eepromAddr = eeprom_i2c_address;
702		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
703                    goto checkTuner;
704                }
705
706    	    	if (subsystem_vendor_id == PCI_VENDOR_TERRATEC
707		    && (subsystem_id == MODEL_TERRATVALUE_1118
708		        || subsystem_id == MODEL_TERRATVALUE_1134)) {
709    	    	    bktr->card = cards[(card = CARD_TERRATVALUE)];
710    	    	    bktr->card.eepromAddr = eeprom_i2c_address;
711    	    	    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
712    	    	    goto checkTuner;
713    	    	}
714
715    	    	if (subsystem_vendor_id == PCI_VENDOR_TERRATEC) {
716    	    	    bktr->card = cards[(card = CARD_TERRATVPLUS)];
717    	    	    bktr->card.eepromAddr = eeprom_i2c_address;
718    	    	    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
719    	    	    goto checkTuner;
720    	    	}
721
722                /* Vendor is unknown. We will use the standard probe code */
723		/* which may not give best results */
724                printf("%s: Warning - card vendor 0x%04x (model 0x%04x) unknown.\n",
725		       bktr_name(bktr), subsystem_vendor_id, subsystem_id);
726            }
727	    else
728	    {
729                printf("%s: Card has no configuration EEPROM. Cannot determine card make.\n",
730		       bktr_name(bktr));
731	    }
732	} /* end of bt878/bt879 card detection code */
733
734	/* If we get to this point, we must have a Bt848/848A/849A card */
735	/* or a Bt878/879 with an unknown subsystem vendor id */
736        /* Try and determine the make of card by clever i2c probing */
737
738   	/* Check for i2c devices. If none, move on */
739	if (!any_i2c_devices) {
740		bktr->card = cards[(card = CARD_INTEL)];
741		bktr->card.eepromAddr = 0;
742		bktr->card.eepromSize = 0;
743		goto checkTuner;
744	}
745
746        /* Look for Hauppauge, STB and Osprey cards by the presence */
747	/* of an EEPROM */
748        /* Note: Bt878 based cards also use EEPROMs so we can only do this */
749        /* test on BT848/848A and 849A based cards. */
750	if ((bktr->id==BROOKTREE_848)  ||
751	    (bktr->id==BROOKTREE_848A) ||
752	    (bktr->id==BROOKTREE_849A)) {
753
754            /* At i2c address 0xa0, look for Hauppauge and Osprey cards */
755            if ((status = i2cRead(bktr, PFC8582_RADDR)) != ABSENT) {
756
757		    /* Read the eeprom contents */
758		    bktr->card = cards[(card = CARD_UNKNOWN)];
759		    bktr->card.eepromAddr = PFC8582_WADDR;
760		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
761	            readEEProm(bktr, 0, 128, (u_char *) &eeprom);
762
763		    /* For Hauppauge, check the EEPROM begins with 0x84 */
764		    if (eeprom[0] == 0x84) {
765                            bktr->card = cards[(card = CARD_HAUPPAUGE)];
766			    bktr->card.eepromAddr = PFC8582_WADDR;
767			    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
768                            goto checkTuner;
769		    }
770
771		    /* For Osprey, check the EEPROM begins with "MMAC" */
772		    if ((eeprom[0] == 'M') &&(eeprom[1] == 'M')
773			&&(eeprom[2] == 'A') &&(eeprom[3] == 'C')) {
774                            bktr->card = cards[(card = CARD_OSPREY)];
775			    bktr->card.eepromAddr = PFC8582_WADDR;
776			    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
777                            goto checkTuner;
778		    }
779		    printf("%s: Warning: Unknown card type. EEPROM data not recognised\n",
780			   bktr_name(bktr));
781		    printf("%s: %x %x %x %x\n", bktr_name(bktr),
782			   eeprom[0],eeprom[1],eeprom[2],eeprom[3]);
783            }
784
785            /* look for an STB card */
786            if ((status = i2cRead(bktr, X24C01_RADDR)) != ABSENT) {
787                    bktr->card = cards[(card = CARD_STB)];
788		    bktr->card.eepromAddr = X24C01_WADDR;
789		    bktr->card.eepromSize = (u_char)(128 / EEPROMBLOCKSIZE);
790                    goto checkTuner;
791            }
792
793	}
794
795	signCard(bktr, 1, 128, (u_char *)  &probe_signature);
796
797	if (bootverbose) {
798	  printf("%s: card signature: ", bktr_name(bktr));
799	  for (j = 0; j < Bt848_MAX_SIGN; j++) {
800	    printf(" %02x ", probe_signature[j]);
801	  }
802	  printf("\n\n");
803	}
804	for (i = 0;
805	     i < (sizeof bt848_card_signature)/ sizeof (struct bt848_card_sig);
806	     i++) {
807
808	  card_found = 1;
809	  probe_temp = (u_char *) &bt848_card_signature[i].signature;
810
811	  for (j = 0; j < Bt848_MAX_SIGN; j++) {
812	    if ((probe_temp[j] & 0xf) != (probe_signature[j] & 0xf)) {
813	      card_found = 0;
814	      break;
815	    }
816
817	  }
818	  if (card_found) {
819	    bktr->card = cards[card = bt848_card_signature[i].card];
820	    eeprom_i2c_address = locate_eeprom_address(bktr);
821	    if (eeprom_i2c_address != -1) {
822		bktr->card.eepromAddr = eeprom_i2c_address;
823		bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
824	    } else {
825		bktr->card.eepromAddr = 0;
826		bktr->card.eepromSize = 0;
827	    }
828	    tuner_i2c_address = locate_tuner_address(bktr);
829	    select_tuner(bktr, bt848_card_signature[i].tuner);
830	    goto checkDBX;
831	  }
832	}
833
834	/* We do not know the card type. Default to Miro */
835	bktr->card = cards[(card = CARD_MIRO)];
836
837
838checkEEPROM:
839	/* look for a configuration eeprom */
840	eeprom_i2c_address = locate_eeprom_address(bktr);
841	if (eeprom_i2c_address != -1) {
842	    bktr->card.eepromAddr = eeprom_i2c_address;
843	    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
844	} else {
845	    bktr->card.eepromAddr = 0;
846	    bktr->card.eepromSize = 0;
847	}
848
849
850checkTuner:
851
852	/* look for a tuner */
853	tuner_i2c_address = locate_tuner_address(bktr);
854	if (tuner_i2c_address == -1) {
855		select_tuner(bktr, NO_TUNER);
856		goto checkDBX;
857	}
858
859#if defined(BKTR_OVERRIDE_TUNER)
860	select_tuner(bktr, BKTR_OVERRIDE_TUNER);
861	goto checkDBX;
862#endif
863	if (bktr->bt848_tuner != -1) {
864	  select_tuner(bktr, bktr->bt848_tuner & 0xff);
865	  goto checkDBX;
866	}
867
868	/* Check for i2c devices */
869	if (!any_i2c_devices) {
870		select_tuner(bktr, NO_TUNER);
871		goto checkDBX;
872	}
873
874	/* differentiate type of tuner */
875
876	switch (card) {
877	case CARD_MIRO:
878	    switch (((INL(bktr, BKTR_GPIO_DATA) >> 10)-1)&7) {
879	    case 0: select_tuner(bktr, TEMIC_PAL); break;
880	    case 1: select_tuner(bktr, PHILIPS_PAL); break;
881	    case 2: select_tuner(bktr, PHILIPS_NTSC); break;
882	    case 3: select_tuner(bktr, PHILIPS_SECAM); break;
883	    case 4: select_tuner(bktr, NO_TUNER); break;
884	    case 5: select_tuner(bktr, PHILIPS_PALI); break;
885	    case 6: select_tuner(bktr, TEMIC_NTSC); break;
886	    case 7: select_tuner(bktr, TEMIC_PALI); break;
887	    }
888	    goto checkDBX;
889	    break;
890
891	case CARD_HAUPPAUGE:
892	    /* Hauppauge kindly supplied the following Tuner Table */
893	    /* FIXME: I think the tuners the driver selects for types */
894	    /* 0x08 and 0x15 may be incorrect but no one has complained. */
895	    /* Old Temic tuners had their own API, but newer Temic tuners */
896	    /* have the same API as Philips tuners */
897	    /*
898  ID  Tuner Model           Format			We select Format
899 0x00 NONE
900 0x01 EXTERNAL
901 0x02 OTHER
902 0x03 Philips FI1216        BG
903 0x04 Philips FI1216MF      BGLL'			PHILIPS_SECAM
904 0x05 Philips FI1236        MN 				PHILIPS_NTSC
905 0x06 Philips FI1246        I 				PHILIPS_PALI
906 0x07 Philips FI1256        DK
907 0x08 Philips FI1216 MK2    BG 				PHILIPS_PALI
908 0x09 Philips FI1216MF MK2  BGLL' 			PHILIPS_SECAM
909 0x0a Philips FI1236 MK2    MN 				PHILIPS_NTSC
910 0x0b Philips FI1246 MK2    I 				PHILIPS_PALI
911 0x0c Philips FI1256 MK2    DK
912 0x0d Temic 4032FY5         NTSC			TEMIC_NTSC
913 0x0e Temic 4002FH5         BG				TEMIC_PAL
914 0x0f Temic 4062FY5         I 				TEMIC_PALI
915 0x10 Philips FR1216 MK2    BG
916 0x11 Philips FR1216MF MK2  BGLL' 			PHILIPS_FR1236_SECAM
917 0x12 Philips FR1236 MK2    MN 				PHILIPS_FR1236_NTSC
918 0x13 Philips FR1246 MK2    I
919 0x14 Philips FR1256 MK2    DK
920 0x15 Philips FM1216        BG 				PHILIPS_FR1216_PAL
921 0x16 Philips FM1216MF      BGLL' 			PHILIPS_FR1236_SECAM
922 0x17 Philips FM1236        MN 				PHILIPS_FR1236_NTSC
923 0x18 Philips FM1246        I
924 0x19 Philips FM1256        DK
925 0x1a Temic 4036FY5         MN (FI1236 MK2 clone)	PHILIPS_NTSC
926 0x1b Samsung TCPN9082D     MN
927 0x1c Samsung TCPM9092P     Pal BG/I/DK
928 0x1d Temic 4006FH5         BG				PHILIPS_PALI
929 0x1e Samsung TCPN9085D     MN/Radio
930 0x1f Samsung TCPB9085P     Pal BG/I/DK / Radio
931 0x20 Samsung TCPL9091P     Pal BG & Secam L/L'
932 0x21 Temic 4039FY5         NTSC Radio
933 0x22 Philips FQ1216ME      Pal BGIDK & Secam L/L'
934 0x23 Temic 4066FY5         Pal I (FI1246 MK2 clone)	PHILIPS_PALI
935 0x24 Philips TD1536        MN/ATSCDigital
936 0x25 Philips TD1536D       MN/ATSCDigital DUAL INPUT
937 0x26 Philips FMR1236       M/N FM(no demod)
938 0x27 Philips FI1256MP      B/G, D/K
939 0x28 Samsung TCPQ9091P     BG/I/DK, L/L'
940 0x29 Temic 4006FN5         BG/I/DK
941 0x2a Temic 4009FR5         BG FM			PHILIPS_FR1216_PAL
942 0x2b Temic 4046FM5         B/G, I, D/K, L/L'
943 0x2c Temic 4009FN5         B/G, I, D/K, FM (no demod)
944 0x2d Philips TD1536D_FH_44 MN/ATSCDigital DUAL INPUT
945	    */
946
947
948	    /* Determine the model number from the eeprom */
949	    if (bktr->card.eepromAddr != 0) {
950	        /* eeprom data block structure */
951	        unsigned char *block_1, *block_2, *block_3;
952	        int block_1_data_size,  block_2_data_size;
953	        int block_1_total_size, block_2_total_size;
954
955		unsigned int model,revision;
956		unsigned char tuner_code;
957		unsigned char no_audio_mux;
958
959		readEEProm(bktr, 0, 128, (u_char *) &eeprom);
960
961	        /* LOCATE THE EEPROM DATA BLOCKS */
962	        block_1 = &eeprom[0];
963	        block_1_data_size = (block_1[2] << 8 | block_1[1]);
964	        block_1_total_size = block_1_data_size + 3; /* Header bytes */
965
966	        block_2 = &eeprom[block_1_total_size];
967	        block_2_data_size = (block_2[2] << 8 | block_2[1]);
968	        block_2_total_size = block_2_data_size + 3; /* Header bytes */
969
970	        block_3 = &eeprom[block_1_total_size + block_2_total_size];
971
972		model    = (block_1[12] << 8  | block_1[11]);
973		revision = (block_1[15] << 16 | block_1[14] << 8 | block_1[13]);
974
975		tuner_code = block_1[9];
976
977		no_audio_mux = ((block_3[3] >> 7) &0x01);
978
979		if (no_audio_mux) bktr->audio_mux_present = 0;
980
981		if (verbose)
982		    printf("%s: Hauppauge Model %d %c%c%c%c\n",
983			   bktr_name(bktr),
984			   model,
985			   ((revision >> 18) & 0x3f) + 32,
986			   ((revision >> 12) & 0x3f) + 32,
987			   ((revision >>  6) & 0x3f) + 32,
988			   ((revision >>  0) & 0x3f) + 32);
989
990	        /* Determine the tuner type from the eeprom */
991
992		switch (tuner_code) {
993
994		  case 0x5:
995                  case 0x0a:
996                  case 0x1a:
997		    select_tuner(bktr, PHILIPS_NTSC);
998		    goto checkDBX;
999
1000		  case 0x4:
1001                  case 0x9:
1002		    select_tuner(bktr, PHILIPS_SECAM);
1003		    goto checkDBX;
1004
1005                  case 0x11:
1006	          case 0x16:
1007		    select_tuner(bktr, PHILIPS_FR1236_SECAM);
1008		    goto checkDBX;
1009
1010                  case 0x12:
1011	          case 0x17:
1012	          case 0x21: /* Hauppauge WinTV-GO-FM (model 00191) */
1013		    select_tuner(bktr, PHILIPS_FR1236_NTSC);
1014		    goto checkDBX;
1015
1016		  case 0x6:
1017	          case 0x8:
1018	          case 0xb:
1019	          case 0x1d:
1020	          case 0x23:
1021		    select_tuner(bktr, PHILIPS_PALI);
1022		    goto checkDBX;
1023
1024	          case 0xd:
1025		    select_tuner(bktr, TEMIC_NTSC);
1026		    goto checkDBX;
1027
1028                  case 0xe:
1029		    select_tuner(bktr, TEMIC_PAL);
1030		    goto checkDBX;
1031
1032	          case 0xf:
1033		    select_tuner(bktr, TEMIC_PALI);
1034		    goto checkDBX;
1035
1036                  case 0x15:
1037		    select_tuner(bktr, PHILIPS_FR1216_PAL);
1038		    goto checkDBX;
1039
1040                  case 0x2a:
1041		    bktr->msp_use_mono_source = 1;
1042		    select_tuner(bktr, PHILIPS_FR1216_PAL);
1043		    goto checkDBX;
1044
1045	          default :
1046		    printf("%s: Warning - Unknown Hauppauge Tuner 0x%x\n",
1047			   bktr_name(bktr), tuner_code);
1048		}
1049	    }
1050	    break;
1051
1052
1053	case CARD_AVER_MEDIA:
1054	    /* AVerMedia kindly supplied some details of their EEPROM contents
1055	     * which allow us to auto select the Tuner Type.
1056	     * Only the newer AVerMedia cards actually have an EEPROM.
1057	     */
1058	    if (bktr->card.eepromAddr != 0) {
1059
1060		u_char tuner_make;   /* Eg Philips, Temic */
1061		u_char tuner_tv_fm;  /* TV or TV with FM Radio */
1062		u_char tuner_format; /* Eg NTSC, PAL, SECAM */
1063		int    tuner;
1064
1065		int tuner_0_table[] = {
1066			PHILIPS_NTSC,  PHILIPS_PAL,
1067			PHILIPS_PAL,   PHILIPS_PAL,
1068			PHILIPS_PAL,   PHILIPS_PAL,
1069			PHILIPS_SECAM, PHILIPS_SECAM,
1070			PHILIPS_SECAM, PHILIPS_PAL};
1071
1072		int tuner_0_fm_table[] = {
1073			PHILIPS_FR1236_NTSC,  PHILIPS_FR1216_PAL,
1074			PHILIPS_FR1216_PAL,   PHILIPS_FR1216_PAL,
1075			PHILIPS_FR1216_PAL,   PHILIPS_FR1216_PAL,
1076			PHILIPS_FR1236_SECAM, PHILIPS_FR1236_SECAM,
1077			PHILIPS_FR1236_SECAM, PHILIPS_FR1216_PAL};
1078
1079		int tuner_1_table[] = {
1080			TEMIC_NTSC,  TEMIC_PAL,   TEMIC_PAL,
1081			TEMIC_PAL,   TEMIC_PAL,   TEMIC_PAL,
1082			TEMIC_SECAM, TEMIC_SECAM, TEMIC_SECAM,
1083			TEMIC_PAL};
1084
1085
1086		/* Extract information from the EEPROM data */
1087	    	readEEProm(bktr, 0, 128, (u_char *) &eeprom);
1088
1089		tuner_make   = (eeprom[0x41] & 0x7);
1090		tuner_tv_fm  = (eeprom[0x41] & 0x18) >> 3;
1091		tuner_format = (eeprom[0x42] & 0xf0) >> 4;
1092
1093		/* Treat tuner make 0 (Philips) and make 2 (LG) the same */
1094		if (((tuner_make == 0) || (tuner_make == 2))
1095		    && (tuner_format <= 9) && (tuner_tv_fm == 0)) {
1096			tuner = tuner_0_table[tuner_format];
1097			select_tuner(bktr, tuner);
1098			goto checkDBX;
1099		}
1100
1101		if (((tuner_make == 0) || (tuner_make == 2))
1102		    && (tuner_format <= 9) && (tuner_tv_fm == 1)) {
1103			tuner = tuner_0_fm_table[tuner_format];
1104			select_tuner(bktr, tuner);
1105			goto checkDBX;
1106		}
1107
1108		if ((tuner_make == 1) && (tuner_format <= 9)) {
1109			tuner = tuner_1_table[tuner_format];
1110			select_tuner(bktr, tuner);
1111			goto checkDBX;
1112		}
1113
1114	    	printf("%s: Warning - Unknown AVerMedia Tuner Make %d Format %d\n",
1115			bktr_name(bktr), tuner_make, tuner_format);
1116	    }
1117	    break;
1118
1119	case CARD_LEADTEK:
1120#if BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL
1121	    select_tuner(bktr, PHILIPS_FR1216_PAL);
1122#else
1123	    select_tuner(bktr, PHILIPS_FR1236_NTSC);
1124#endif
1125            goto checkDBX;
1126	    break;
1127
1128	case CARD_TERRATVALUE:
1129            select_tuner(bktr, PHILIPS_PAL);
1130            goto checkDBX;
1131            break;
1132
1133	} /* end switch(card) */
1134
1135
1136        /* At this point, a goto checkDBX has not occurred */
1137        /* We have not been able to select a Tuner */
1138        /* Some cards make use of the tuner address to */
1139        /* identify the make/model of tuner */
1140
1141        /* At address 0xc0/0xc1 we often find a TEMIC NTSC */
1142        if (i2cRead(bktr, 0xc1) != ABSENT) {
1143	    select_tuner(bktr, TEMIC_NTSC);
1144            goto checkDBX;
1145        }
1146
1147        /* At address 0xc6/0xc7 we often find a PHILIPS NTSC Tuner */
1148        if (i2cRead(bktr, 0xc7) != ABSENT) {
1149	    select_tuner(bktr, PHILIPS_NTSC);
1150            goto checkDBX;
1151        }
1152
1153        /* Address 0xc2/0xc3 is default (or common address) for several */
1154	/* tuners and we cannot tell which is which. */
1155	/* And for all other tuner i2c addresses, select the default */
1156	select_tuner(bktr, DEFAULT_TUNER);
1157
1158
1159checkDBX:
1160#if defined(BKTR_OVERRIDE_DBX)
1161	bktr->card.dbx = BKTR_OVERRIDE_DBX;
1162	goto checkMSP;
1163#endif
1164   /* Check for i2c devices */
1165	if (!any_i2c_devices) {
1166		goto checkMSP;
1167	}
1168
1169	/* probe for BTSC (dbx) chip */
1170	if (i2cRead(bktr, TDA9850_RADDR) != ABSENT)
1171		bktr->card.dbx = 1;
1172
1173checkMSP:
1174	/* If this is a Hauppauge Bt878 card, we need to enable the
1175	 * MSP 34xx audio chip.
1176	 * If this is a Hauppauge Bt848 card, reset the MSP device.
1177	 * The MSP reset line is wired to GPIO pin 5. On Bt878 cards a pulldown
1178	 * resistor holds the device in reset until we set GPIO pin 5.
1179         */
1180
1181	/* Optionally skip the MSP reset. This is handy if you initialise the
1182	 * MSP audio in another operating system (eg Windows) first and then
1183	 * do a soft reboot.
1184	 */
1185
1186#ifndef BKTR_NO_MSP_RESET
1187	if (card == CARD_HAUPPAUGE) {
1188            OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5));
1189            OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
1190            DELAY(2500); /* wait 2.5ms */
1191            OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */
1192            DELAY(2500); /* wait 2.5ms */
1193            OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
1194            DELAY(2500); /* wait 2.5ms */
1195        }
1196#endif
1197
1198#if defined(BKTR_OVERRIDE_MSP)
1199	bktr->card.msp3400c = BKTR_OVERRIDE_MSP;
1200	goto checkMSPEnd;
1201#endif
1202
1203	/* Check for i2c devices */
1204	if (!any_i2c_devices) {
1205		goto checkMSPEnd;
1206	}
1207
1208	if (i2cRead(bktr, MSP3400C_RADDR) != ABSENT) {
1209		bktr->card.msp3400c = 1;
1210	}
1211
1212checkMSPEnd:
1213
1214	if (bktr->card.msp3400c) {
1215		bktr->msp_addr = MSP3400C_WADDR;
1216		msp_read_id(bktr);
1217		printf("%s: Detected a MSP%s at 0x%x\n", bktr_name(bktr),
1218		       bktr->msp_version_string,
1219		       bktr->msp_addr);
1220
1221	}
1222
1223/* Check for Dolby Surround Sound DPL3518A sound chip */
1224	if (i2cRead(bktr, DPL3518A_RADDR) != ABSENT) {
1225		bktr->card.dpl3518a = 1;
1226	}
1227
1228	if (bktr->card.dpl3518a) {
1229		bktr->dpl_addr = DPL3518A_WADDR;
1230		dpl_read_id(bktr);
1231		printf("%s: Detected a DPL%s at 0x%x\n", bktr_name(bktr),
1232		       bktr->dpl_version_string,
1233		       bktr->dpl_addr);
1234	}
1235
1236/* Start of Check Remote */
1237        /* Check for the Hauppauge IR Remote Control */
1238        /* If there is an external unit, the internal will be ignored */
1239
1240        bktr->remote_control = 0; /* initial value */
1241
1242        if (any_i2c_devices) {
1243            if (i2cRead(bktr, HAUP_REMOTE_EXT_RADDR) != ABSENT)
1244                {
1245                bktr->remote_control      = 1;
1246                bktr->remote_control_addr = HAUP_REMOTE_EXT_RADDR;
1247                }
1248            else if (i2cRead(bktr, HAUP_REMOTE_INT_RADDR) != ABSENT)
1249                {
1250                bktr->remote_control      = 1;
1251                bktr->remote_control_addr = HAUP_REMOTE_INT_RADDR;
1252                }
1253
1254        }
1255        /* If a remote control is found, poll it 5 times to turn off the LED */
1256        if (bktr->remote_control) {
1257                int ii;
1258                for (ii=0; ii<5; ii++)
1259                        i2cRead(bktr, bktr->remote_control_addr);
1260        }
1261/* End of Check Remote */
1262
1263#if defined(BKTR_USE_PLL)
1264	bktr->xtal_pll_mode = BT848_USE_PLL;
1265	goto checkPLLEnd;
1266#endif
1267	/* Default is to use XTALS and not PLL mode */
1268	bktr->xtal_pll_mode = BT848_USE_XTALS;
1269
1270	/* Enable PLL mode for OSPREY users */
1271	if (card == CARD_OSPREY)
1272		bktr->xtal_pll_mode = BT848_USE_PLL;
1273
1274	/* Enable PLL mode for Video Highway Xtreme users */
1275	if (card == CARD_VIDEO_HIGHWAY_XTREME)
1276		bktr->xtal_pll_mode = BT848_USE_PLL;
1277
1278
1279	/* Most (perhaps all) Bt878 cards need to be switched to PLL mode */
1280	/* as they only fit the NTSC crystal to their cards */
1281	/* Default to enabling PLL mode for all Bt878/879 cards */
1282
1283	if ((bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879))
1284		bktr->xtal_pll_mode = BT848_USE_PLL;
1285
1286
1287#if defined(BKTR_USE_PLL)
1288checkPLLEnd:
1289#endif
1290
1291
1292	bktr->card.tuner_pllAddr = tuner_i2c_address;
1293
1294	if (verbose) {
1295		printf("%s: %s", bktr_name(bktr), bktr->card.name);
1296		if (bktr->card.tuner)
1297			printf(", %s tuner", bktr->card.tuner->name);
1298		if (bktr->card.dbx)
1299			printf(", dbx stereo");
1300		if (bktr->card.msp3400c)
1301			printf(", msp3400c stereo");
1302		if (bktr->card.dpl3518a)
1303			printf(", dpl3518a dolby");
1304                if (bktr->remote_control)
1305                        printf(", remote control");
1306		printf(".\n");
1307	}
1308}
1309
1310#undef ABSENT
1311