xref: /netbsd/sys/dev/pci/bktr/bktr_card.c (revision bf9ec67e)
1 /*	$NetBSD: bktr_card.c,v 1.12 2002/03/23 09:27:50 hamajima Exp $	*/
2 
3 /* FreeBSD: src/sys/dev/bktr/bktr_card.c,v 1.16 2000/10/31 13:09:56 roger Exp */
4 
5 /*
6  * This is part of the Driver for Video Capture Cards (Frame grabbers)
7  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
8  * chipset.
9  * Copyright Roger Hardiman and Amancio Hasty.
10  *
11  * bktr_card : This deals with identifying TV cards.
12  *               trying to find the card make and model of card.
13  *               trying to find the type of tuner fitted.
14  *               reading the configuration EEPROM.
15  *               locating i2c devices.
16  *
17  */
18 
19 /*
20  * 1. Redistributions of source code must retain the
21  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
22  * All rights reserved.
23  *
24  * Redistribution and use in source and binary forms, with or without
25  * modification, are permitted provided that the following conditions
26  * are met:
27  * 1. Redistributions of source code must retain the above copyright
28  *    notice, this list of conditions and the following disclaimer.
29  * 2. Redistributions in binary form must reproduce the above copyright
30  *    notice, this list of conditions and the following disclaimer in the
31  *    documentation and/or other materials provided with the distribution.
32  * 3. All advertising materials mentioning features or use of this software
33  *    must display the following acknowledgement:
34  *      This product includes software developed by Amancio Hasty and
35  *      Roger Hardiman
36  * 4. The name of the author may not be used to endorse or promote products
37  *    derived from this software without specific prior written permission.
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
40  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
41  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
43  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
44  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
45  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
48  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
49  * POSSIBILITY OF SUCH DAMAGE.
50  */
51 
52 #include <sys/cdefs.h>
53 __KERNEL_RCSID(0, "$NetBSD: bktr_card.c,v 1.12 2002/03/23 09:27:50 hamajima Exp $");
54 
55 #include "opt_bktr.h"		/* Include any kernel config options */
56 
57 #include <sys/param.h>
58 #include <sys/systm.h>
59 #include <sys/vnode.h>
60 
61 #ifdef __FreeBSD__
62 
63 #if (__FreeBSD_version < 500000)
64 #include <machine/clock.h>              /* for DELAY */
65 #endif
66 
67 #include <pci/pcivar.h>
68 
69 #if (__FreeBSD_version >=300000)
70 #include <machine/bus_memio.h>	/* for bus space */
71 #include <machine/bus.h>
72 #include <sys/bus.h>
73 #endif
74 #endif
75 
76 #ifdef __NetBSD__
77 #include <dev/ic/bt8xx.h>	/* NetBSD location for .h files */
78 #include <dev/pci/bktr/bktr_reg.h>
79 #include <dev/pci/bktr/bktr_core.h>
80 #include <dev/pci/bktr/bktr_tuner.h>
81 #include <dev/pci/bktr/bktr_card.h>
82 #include <dev/pci/bktr/bktr_audio.h>
83 #else
84 #include <machine/ioctl_meteor.h>	/* Traditional location for .h files */
85 #include <machine/ioctl_bt848.h>        /* extensions to ioctl_meteor.h */
86 #include <dev/bktr/bktr_reg.h>
87 #include <dev/bktr/bktr_core.h>
88 #include <dev/bktr/bktr_tuner.h>
89 #include <dev/bktr/bktr_card.h>
90 #include <dev/bktr/bktr_audio.h>
91 #endif
92 
93 /* Include the PCI Vendor definitions */
94 #ifdef __NetBSD__
95 #include <dev/pci/pcidevs.h>
96 #include <dev/pci/pcireg.h>
97 #endif
98 
99 /* Various defines */
100 #define HAUP_REMOTE_INT_WADDR   0x30
101 #define HAUP_REMOTE_INT_RADDR   0x31
102 
103 #define HAUP_REMOTE_EXT_WADDR   0x34
104 #define HAUP_REMOTE_EXT_RADDR   0x35
105 
106 /* address of BTSC/SAP decoder chip */
107 #define TDA9850_WADDR           0xb6
108 #define TDA9850_RADDR           0xb7
109 
110 /* address of MSP3400C chip */
111 #define MSP3400C_WADDR          0x80
112 #define MSP3400C_RADDR          0x81
113 
114 /* address of DPL3518A chip */
115 #define DPL3518A_WADDR          0x84
116 #define DPL3518A_RADDR          0x85
117 
118 /* EEProm (128 * 8) on an STB card */
119 #define X24C01_WADDR            0xae
120 #define X24C01_RADDR            0xaf
121 
122 
123 /* EEProm (256 * 8) on a Hauppauge card */
124 /* and on most BT878s cards to store the sub-system vendor id */
125 #define PFC8582_WADDR           0xa0
126 #define PFC8582_RADDR		0xa1
127 
128 #if BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL
129 #define DEFAULT_TUNER   PHILIPS_PALI
130 #else
131 #define DEFAULT_TUNER   PHILIPS_NTSC
132 #endif
133 
134 
135 
136 
137 /*
138  * the data for each type of card
139  *
140  * Note:
141  *   these entried MUST be kept in the order defined by the CARD_XXX defines!
142  */
143 static const struct CARDTYPE cards[] = {
144 
145 	{  CARD_UNKNOWN,			/* the card id */
146 	  "Unknown",				/* the 'name' */
147 	   NULL,				/* the tuner */
148 	   0,					/* the tuner i2c address */
149 	   0,					/* dbx unknown */
150 	   0,
151 	   0,
152 	   0,					/* EEProm unknown */
153 	   0,					/* EEProm unknown */
154 	   { 0, 0, 0, 0, 0 },
155 	   0 },					/* GPIO mask */
156 
157 	{  CARD_MIRO,				/* the card id */
158 	  "Pinnacle/Miro TV",			/* the 'name' */
159 	   NULL,				/* the tuner */
160 	   0,					/* the tuner i2c address */
161 	   0,					/* dbx unknown */
162 	   0,
163 	   0,
164 	   0,					/* EEProm unknown */
165 	   0,					/* size unknown */
166 	   { 0x02, 0x01, 0x00, 0x0a, 1 },	/* audio MUX values */
167 	   0x0f },				/* GPIO mask */
168 
169 	{  CARD_HAUPPAUGE,			/* the card id */
170 	  "Hauppauge WinCast/TV",		/* the 'name' */
171 	   NULL,				/* the tuner */
172 	   0,					/* the tuner i2c address */
173 	   0,					/* dbx is optional */
174 	   0,
175 	   0,
176 	   PFC8582_WADDR,			/* EEProm type */
177 	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
178 	   { 0x00, 0x02, 0x01, 0x04, 1 },	/* audio MUX values */
179 	   0x0f },				/* GPIO mask */
180 
181 	{  CARD_STB,				/* the card id */
182 	  "STB TV/PCI",				/* the 'name' */
183 	   NULL,				/* the tuner */
184 	   0,					/* the tuner i2c address */
185 	   0,					/* dbx is optional */
186 	   0,
187 	   0,
188 	   X24C01_WADDR,			/* EEProm type */
189 	   (u_char)(128 / EEPROMBLOCKSIZE),	/* 128 bytes */
190 	   { 0x00, 0x01, 0x02, 0x02, 1 }, 	/* audio MUX values */
191 	   0x0f },				/* GPIO mask */
192 
193 	{  CARD_INTEL,				/* the card id */
194 	  "Intel Smart Video III/VideoLogic Captivator PCI", /* the 'name' */
195 	   NULL,				/* the tuner */
196 	   0,					/* the tuner i2c address */
197 	   0,
198 	   0,
199 	   0,
200 	   0,
201 	   0,
202 	   { 0, 0, 0, 0, 0 }, 			/* audio MUX values */
203 	   0x00 },				/* GPIO mask */
204 
205 	{  CARD_IMS_TURBO,			/* the card id */
206 	  "IMS TV Turbo",			/* the 'name' */
207 	   NULL,				/* the tuner */
208 	   0,					/* the tuner i2c address */
209 	   0,					/* dbx is optional */
210 	   0,
211 	   0,
212 	   PFC8582_WADDR,			/* EEProm type */
213 	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
214 	   { 0x01, 0x02, 0x01, 0x00, 1 },	/* audio MUX values */
215 	   0x0f },				/* GPIO mask */
216 
217         {  CARD_AVER_MEDIA,			/* the card id */
218           "AVer Media TV/FM",                   /* the 'name' */
219            NULL,                                /* the tuner */
220 	   0,					/* the tuner i2c address */
221            0,                                   /* dbx is optional */
222            0,
223 	   0,
224            0,                                   /* EEProm type */
225            0,                                   /* EEProm size */
226            { 0x0c, 0x08, 0x04, 0x00, 1 },	/* audio MUX values */
227 	   0x1f },				/* GPIO mask */
228 
229         {  CARD_OSPREY,				/* the card id */
230           "MMAC Osprey",                   	/* the 'name' */
231            NULL,                                /* the tuner */
232 	   0,					/* the tuner i2c address */
233            0,                                   /* dbx is optional */
234 	   0,
235            0,
236 	   PFC8582_WADDR,			/* EEProm type */
237 	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
238            { 0x00, 0x00, 0x00, 0x00, 0 },	/* audio MUX values */
239 	   0 },					/* GPIO mask */
240 
241         {  CARD_NEC_PK,                         /* the card id */
242           "NEC PK-UG-X017",                     /* the 'name' */
243            NULL,                                /* the tuner */
244            0,                                   /* the tuner i2c address */
245            0,                                   /* dbx is optional */
246 	   0,
247            0,
248            0,                                   /* EEProm type */
249            0,                                   /* EEProm size */
250            { 0x01, 0x02, 0x01, 0x00, 1 },	/* audio MUX values */
251 	   0x0f },				/* GPIO mask */
252 
253         {  CARD_IO_GV,                          /* the card id */
254           "I/O DATA GV-BCTV2/PCI",              /* the 'name' */
255            NULL,                                /* the tuner */
256            0,                                   /* the tuner i2c address */
257            0,                                   /* dbx is optional */
258            0,
259 	   0,
260            0,                                   /* EEProm type */
261            0,                                   /* EEProm size */
262            { 0x00, 0x00, 0x00, 0x00, 1 },	/* Has special MUX handler */
263 	   0x0f },				/* GPIO mask */
264 
265         {  CARD_FLYVIDEO,			/* the card id */
266           "FlyVideo",				/* the 'name' */
267            NULL,				/* the tuner */
268            0,					/* the tuner i2c address */
269            0,					/* dbx is optional */
270            0,					/* msp34xx is optional */
271            0,					/* dpl3518a is optional */
272 	   0xac,				/* EEProm type */
273 	   (u_char)(256 / EEPROMBLOCKSIZE),	/* 256 bytes */
274            { 0x000, 0x800, 0x400, 0x8dff00, 1 },/* audio MUX values */
275 	   0x8dff00 },				/* GPIO mask */
276 
277 	{  CARD_ZOLTRIX,			/* the card id */
278 	  "Zoltrix",				/* the 'name' */
279            NULL,				/* the tuner */
280            0,					/* the tuner i2c address */
281            0,					/* dbx is optional */
282            0,					/* msp34xx is optional */
283            0,					/* dpl3518a is optional */
284 	   0,					/* EEProm type */
285 	   0,					/* EEProm size */
286 	   { 0x04, 0x01, 0x00, 0x0a, 1 },	/* audio MUX values */
287 	   0x0f },				/* GPIO mask */
288 
289 	{  CARD_KISS,				/* the card id */
290 	  "KISS TV/FM PCI",			/* the 'name' */
291            NULL,				/* the tuner */
292            0,					/* the tuner i2c address */
293            0,					/* dbx is optional */
294            0,					/* msp34xx is optional */
295            0,					/* dpl3518a is optional */
296 	   0,					/* EEProm type */
297 	   0,					/* EEProm size */
298 	   { 0x0c, 0x00, 0x0b, 0x0b, 1 },	/* audio MUX values */
299 	   0x0f },				/* GPIO mask */
300 
301 	{  CARD_VIDEO_HIGHWAY_XTREME,		/* the card id */
302 	  "Video Highway Xtreme",		/* the 'name' */
303            NULL,				/* the tuner */
304 	   0,
305 	   0,
306 	   0,
307 	   0,
308 	   0,					/* EEProm type */
309 	   0,					/* EEProm size */
310 	   { 0x00, 0x02, 0x01, 0x04, 1 },	/* audio MUX values */
311 	   0x0f },				/* GPIO mask */
312 
313 	{  CARD_ASKEY_DYNALINK_MAGIC_TVIEW,	/* the card id */
314 	  "Askey/Dynalink Magic TView",		/* the 'name' */
315 	   NULL,				/* the tuner */
316 	   0,
317 	   0,
318 	   0,
319 	   0,
320 	   0,					/* EEProm type */
321 	   0,					/* EEProm size */
322 	   { 0x400, 0xE00, 0x400, 0xC00, 1 },	/* audio MUX values */
323 	   0xE00 },				/* GPIO mask */
324 
325 	{  CARD_LEADTEK,			/* the card id */
326 	  "Leadtek WinFast TV2000/VC100",	/* the 'name' */
327 	   NULL,				/* the tuner */
328 	   0,
329 	   0,
330 	   0,
331 	   0,
332 	   0,					/* EEProm type */
333 	   0,					/* EEProm size */
334 	   /* Tuner, Extern, Intern, Mute, Enabled */
335 	   { 0x621000, 0x621000, 0x621000, 0xE21000, 1 }, /* audio MUX values */
336 	   0xfff000 },				/* GPIO mask */
337 
338         {  CARD_TERRATVPLUS,                    /* the card id */
339           "TerraTVplus",                        /* the 'name' */
340            NULL,                                /* the tuner */
341 	   0,
342 	   0,
343 	   0,
344 	   0,
345 	   0,					/* EEProm type */
346 	   0,					/* EEProm size */
347            { 0x20000, 0x00000, 0x30000, 0x40000, 1 }, /* audio MUX values*/
348            0x70000 },                           /* GPIO mask */
349 
350 };
351 
352 struct bt848_card_sig bt848_card_signature[1]= {
353   /* IMS TURBO TV : card 5 */
354     {  5,9, {00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 00, 00}}
355 
356 
357 };
358 
359 
360 /*
361  * Write to the configuration EEPROM on the card.
362  * This is dangerous and will mess up your card. Therefore it is not
363  * implemented.
364  */
365 int
366 writeEEProm( bktr_ptr_t bktr, int offset, int count, u_char *data )
367 {
368         return( -1 );
369 }
370 
371 /*
372  * Read the contents of the configuration EEPROM on the card.
373  * (This is not fitted to all makes of card. All Hauppauge cards have them
374  * and so do newer Bt878 based cards.
375  */
376 int
377 readEEProm( bktr_ptr_t bktr, int offset, int count, u_char *data )
378 {
379 	int	x;
380 	int	addr;
381 	int	max;
382 	int	byte;
383 
384 	/* get the address of the EEProm */
385 	addr = (int)(bktr->card.eepromAddr & 0xff);
386 	if ( addr == 0 )
387 		return( -1 );
388 
389 	max = (int)(bktr->card.eepromSize * EEPROMBLOCKSIZE);
390 	if ( (offset + count) > max )
391 		return( -1 );
392 
393 	/* set the start address */
394 	if ( i2cWrite( bktr, addr, offset, -1 ) == -1 )
395 		return( -1 );
396 
397 	/* the read cycle */
398 	for ( x = 0; x < count; ++x ) {
399 		if ( (byte = i2cRead( bktr, (addr | 1) )) == -1 )
400 			return( -1 );
401 		data[ x ] = byte;
402 	}
403 
404 	return( 0 );
405 }
406 
407 
408 #define ABSENT		(-1)
409 
410 /*
411  * get a signature of the card
412  * read all 128 possible i2c read addresses from 0x01 thru 0xff
413  * build a bit array with a 1 bit for each i2c device that responds
414  *
415  * XXX FIXME: use offset & count args
416  */
417 int
418 signCard( bktr_ptr_t bktr, int offset, int count, u_char* sig )
419 {
420 	int	x;
421 
422 	for ( x = 0; x < 16; ++x )
423 		sig[ x ] = 0;
424 
425 	for ( x = 0; x < count; ++x ) {
426 		if ( i2cRead( bktr, (2 * x) + 1 ) != ABSENT ) {
427 			sig[ x / 8 ] |= (1 << (x % 8) );
428 		}
429 	}
430 
431 	return( 0 );
432 }
433 
434 
435 /*
436  * check_for_i2c_devices.
437  * Some BT848 cards have no tuner and no additional i2c devices
438  * eg stereo decoder. These are used for video conferencing or capture from
439  * a video camera. (eg VideoLogic Captivator PCI, Intel SmartCapture card).
440  *
441  * Determine if there are any i2c devices present. There are none present if
442  *  a) reading from all 128 devices returns ABSENT (-1) for each one
443  *     (eg VideoLogic Captivator PCI with BT848)
444  *  b) reading from all 128 devices returns 0 for each one
445  *     (eg VideoLogic Captivator PCI rev. 2F with BT848A)
446  */
447 static int check_for_i2c_devices( bktr_ptr_t bktr ){
448   int x, temp_read;
449   int i2c_all_0 = 1;
450   int i2c_all_absent = 1;
451   for ( x = 0; x < 128; ++x ) {
452     temp_read = i2cRead( bktr, (2 * x) + 1 );
453     if (temp_read != 0)      i2c_all_0 = 0;
454     if (temp_read != ABSENT) i2c_all_absent = 0;
455   }
456 
457   if ((i2c_all_0) || (i2c_all_absent)) return 0;
458   else return 1;
459 }
460 
461 
462 /*
463  * Temic/Philips datasheets say tuners can be at i2c addresses 0xc0, 0xc2,
464  * 0xc4 or 0xc6, settable by links on the tuner.
465  * Determine the actual address used on the TV card by probing read addresses.
466  */
467 static int locate_tuner_address( bktr_ptr_t bktr) {
468   if (i2cRead( bktr, 0xc1) != ABSENT) return 0xc0;
469   if (i2cRead( bktr, 0xc3) != ABSENT) return 0xc2;
470   if (i2cRead( bktr, 0xc5) != ABSENT) return 0xc4;
471   if (i2cRead( bktr, 0xc7) != ABSENT) return 0xc6;
472   return -1; /* no tuner found */
473 }
474 
475 
476 /*
477  * Search for a configuration EEPROM on the i2c bus by looking at i2c addresses
478  * where EEPROMs are usually found.
479  * On some cards, the EEPROM appears in several locations, but all in the
480  * range 0xa0 to 0xae.
481  */
482 static int locate_eeprom_address( bktr_ptr_t bktr) {
483   if (i2cRead( bktr, 0xa0) != ABSENT) return 0xa0;
484   if (i2cRead( bktr, 0xac) != ABSENT) return 0xac;
485   if (i2cRead( bktr, 0xae) != ABSENT) return 0xae;
486   return -1; /* no eeprom found */
487 }
488 
489 
490 /*
491  * determine the card brand/model
492  * BKTR_OVERRIDE_CARD, BKTR_OVERRIDE_TUNER, BKTR_OVERRIDE_DBX and
493  * BKTR_OVERRIDE_MSP can be used to select a specific device,
494  * regardless of the autodetection and i2c device checks.
495  *
496  * The scheme used for probing cards faces these problems:
497  *  It is impossible to work out which type of tuner is actually fitted,
498  *  (the driver cannot tell if the Tuner is PAL or NTSC, Temic or Philips)
499  *  It is impossible to determine what audio-mux hardware is connected.
500  *  It is impossible to determine if there is extra hardware connected to the
501  *  GPIO pins  (eg radio chips or MSP34xx reset logic)
502  *
503  * However some makes of card (eg Hauppauge) come with a configuration eeprom
504  * which tells us the make of the card. Most eeproms also tell us the
505  * tuner type and other features of the the cards.
506  *
507  * The current probe code works as follows
508  * A) If the card uses a Bt878/879:
509  *   1) Read the sub-system vendor id from the configuration EEPROM.
510  *      Select the required tuner, audio mux arrangement and any other
511  *      onboard features. If this fails, move to step B.
512  * B) If it card uses a Bt848, 848A, 849A or an unknown Bt878/879:
513  *   1) Look for I2C devices. If there are none fitted, it is an Intel or
514  *      VideoLogic cards.
515  *   2) Look for a configuration EEPROM.
516  *   2a) If there is one at I2C address 0xa0 it may be
517  *       a Hauppauge or an Osprey. Check the EEPROM contents to determine which
518  *       one it is. For Hauppauge, select the tuner type and audio hardware.
519  *   2b) If there is an EEPROM at I2C address 0xa8 it will be an STB card.
520  *       We still have to guess on the tuner type.
521  *
522  * C) If we do not know the card type from (A) or (B), guess at the tuner
523  *    type based on the I2C address of the tuner.
524  *
525  * D) After determining the Tuner Type, we probe the i2c bus for other
526  *    devices at known locations, eg IR-Remote Control, MSP34xx and TDA
527  *    stereo chips.
528  */
529 
530 
531 /*
532  * These are the sub-system vendor ID codes stored in the
533  * configuration EEPROM used on Bt878/879 cards. They should match the
534  * number assigned to the company by the PCI Special Interest Group
535  */
536 #ifndef __NetBSD__
537 #define PCI_VENDOR_HAUPPAUGE	0x0070
538 #define PCI_VENDOR_AVERMEDIA	0x1461
539 #define PCI_VENDOR_STB		0x10B4
540 #define PCI_VENDOR_ASKEY	0x144F
541 #endif
542 /* Following not confirmed with http://members.hyperlink.net.au/~chart,
543    so not added to NetBSD's pcidevs */
544 #define PCI_VENDOR_LEADTEK_ALT	0x6606
545 #define PCI_VENDOR_LEADTEK_ALT_2	0x6607
546 #define PCI_VENDOR_FLYVIDEO	0x1851
547 #define PCI_VENDOR_FLYVIDEO_2	0x1852
548 #define PCI_VENDOR_PINNACLE_ALT	0xBD11
549 
550 void
551 probeCard( bktr_ptr_t bktr, int verbose, int unit )
552 {
553 	int		card, i,j, card_found;
554 	int		status;
555 	u_char 		probe_signature[128], *probe_temp;
556         int   		any_i2c_devices;
557 	u_char 		eeprom[256];
558 	int 		tuner_i2c_address = -1;
559 	int 		eeprom_i2c_address = -1;
560 
561 	/* Select all GPIO bits as inputs */
562 	OUTL(bktr, BKTR_GPIO_OUT_EN, 0);
563 	if (bootverbose)
564 	    printf("%s: GPIO is 0x%08x\n", bktr_name(bktr),
565 		   INL(bktr, BKTR_GPIO_DATA));
566 
567 #ifdef HAUPPAUGE_MSP_RESET
568 	/* Reset the MSP34xx audio chip. This resolves bootup card
569 	 * detection problems with old Bt848 based Hauppauge cards with
570 	 * MSP34xx stereo audio chips. This must be user enabled because
571 	 * at this point the probe function does not know the card type. */
572         OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5));
573         OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
574         DELAY(2500); /* wait 2.5ms */
575         OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */
576         DELAY(2500); /* wait 2.5ms */
577         OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
578         DELAY(2500); /* wait 2.5ms */
579 #endif
580 
581 	/* Check for the presence of i2c devices */
582         any_i2c_devices = check_for_i2c_devices( bktr );
583 
584 
585 	/* Check for a user specified override on the card selection */
586 #if defined( BKTR_OVERRIDE_CARD )
587 	bktr->card = cards[ (card = BKTR_OVERRIDE_CARD) ];
588 	goto checkEEPROM;
589 #endif
590 	if (bktr->bt848_card != -1 ) {
591 	  bktr->card = cards[ (card = bktr->bt848_card) ];
592 	  goto checkEEPROM;
593 	}
594 
595 
596 	/* No override, so try and determine the make of the card */
597 
598         /* On BT878/879 cards, read the sub-system vendor id */
599 	/* This identifies the manufacturer of the card and the model */
600 	/* In theory this can be read from PCI registers but this does not */
601 	/* appear to work on the FlyVideo 98. Hauppauge also warned that */
602 	/* the PCI registers are sometimes not loaded correctly. */
603 	/* Therefore, I will read the sub-system vendor ID from the EEPROM */
604 	/* (just like the Bt878 does during power up initialisation) */
605 
606         if ((bktr->id==BROOKTREE_878) || (bktr->id==BROOKTREE_879)) {
607 	    /* Try and locate the EEPROM */
608 	    eeprom_i2c_address = locate_eeprom_address( bktr );
609 	    if (eeprom_i2c_address != -1) {
610 
611                 unsigned int subsystem_vendor_id; /* vendors PCI-SIG ID */
612                 unsigned int subsystem_id;        /* board model number */
613 		unsigned int byte_252, byte_253, byte_254, byte_255;
614 
615 		bktr->card = cards[ (card = CARD_UNKNOWN) ];
616 		bktr->card.eepromAddr = eeprom_i2c_address;
617 		bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
618 
619 	        readEEProm(bktr, 0, 256, (u_char *) &eeprom );
620                 byte_252 = (unsigned int)eeprom[252];
621                 byte_253 = (unsigned int)eeprom[253];
622                 byte_254 = (unsigned int)eeprom[254];
623                 byte_255 = (unsigned int)eeprom[255];
624 
625                 subsystem_id        = (byte_252 << 8) | byte_253;
626                 subsystem_vendor_id = (byte_254 << 8) | byte_255;
627 
628 	        if ( bootverbose )
629 	            printf("%s: subsystem 0x%04x 0x%04x\n", bktr_name(bktr),
630 			   subsystem_vendor_id, subsystem_id);
631 
632                 if (subsystem_vendor_id == PCI_VENDOR_AVERMEDIA) {
633                     bktr->card = cards[ (card = CARD_AVER_MEDIA) ];
634 		    bktr->card.eepromAddr = eeprom_i2c_address;
635 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
636                     goto checkTuner;
637                 }
638 
639                 if (subsystem_vendor_id == PCI_VENDOR_HAUPPAUGE) {
640                     bktr->card = cards[ (card = CARD_HAUPPAUGE) ];
641 		    bktr->card.eepromAddr = eeprom_i2c_address;
642 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
643                     goto checkTuner;
644                 }
645 
646                 if ((subsystem_vendor_id == PCI_VENDOR_FLYVIDEO)
647                  || (subsystem_vendor_id == PCI_VENDOR_FLYVIDEO_2) ) {
648                     bktr->card = cards[ (card = CARD_FLYVIDEO) ];
649 		    bktr->card.eepromAddr = eeprom_i2c_address;
650 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
651                     goto checkTuner;
652                 }
653 
654                 if (subsystem_vendor_id == PCI_VENDOR_STB) {
655                     bktr->card = cards[ (card = CARD_STB) ];
656 		    bktr->card.eepromAddr = eeprom_i2c_address;
657 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
658                     goto checkTuner;
659                 }
660 
661                 if (subsystem_vendor_id == PCI_VENDOR_ASKEY) {
662                     bktr->card = cards[ (card = CARD_ASKEY_DYNALINK_MAGIC_TVIEW) ];
663 		    bktr->card.eepromAddr = eeprom_i2c_address;
664 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
665                     goto checkTuner;
666                 }
667 
668                 if ((subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT)
669                  || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT_2) ) {
670                     bktr->card = cards[ (card = CARD_LEADTEK) ];
671 		    bktr->card.eepromAddr = eeprom_i2c_address;
672 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
673                     goto checkTuner;
674                 }
675 
676 		if (subsystem_vendor_id == PCI_VENDOR_PINNACLE_ALT) {
677                     bktr->card = cards[ (card = CARD_MIRO) ];
678 		    bktr->card.eepromAddr = eeprom_i2c_address;
679 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
680                     goto checkTuner;
681                 }
682 
683                 /* Vendor is unknown. We will use the standard probe code */
684 		/* which may not give best results */
685                 printf("%s: Warning - card vendor 0x%04x (model 0x%04x) unknown.\n",
686 		       bktr_name(bktr), subsystem_vendor_id, subsystem_id);
687             }
688 	    else
689 	    {
690                 printf("%s: Card has no configuration EEPROM. Cannot determine card make.\n",
691 		       bktr_name(bktr));
692 	    }
693 	} /* end of bt878/bt879 card detection code */
694 
695 	/* If we get to this point, we must have a Bt848/848A/849A card */
696 	/* or a Bt878/879 with an unknown subsystem vendor id */
697         /* Try and determine the make of card by clever i2c probing */
698 
699    	/* Check for i2c devices. If none, move on */
700 	if (!any_i2c_devices) {
701 		bktr->card = cards[ (card = CARD_INTEL) ];
702 		bktr->card.eepromAddr = 0;
703 		bktr->card.eepromSize = 0;
704 		goto checkTuner;
705 	}
706 
707         /* Look for Hauppauge, STB and Osprey cards by the presence */
708 	/* of an EEPROM */
709         /* Note: Bt878 based cards also use EEPROMs so we can only do this */
710         /* test on BT848/848A and 849A based cards. */
711 	if ((bktr->id==BROOKTREE_848)  ||
712 	    (bktr->id==BROOKTREE_848A) ||
713 	    (bktr->id==BROOKTREE_849A)) {
714 
715             /* At i2c address 0xa0, look for Hauppauge and Osprey cards */
716             if ( (status = i2cRead( bktr, PFC8582_RADDR )) != ABSENT ) {
717 
718 		    /* Read the eeprom contents */
719 		    bktr->card = cards[ (card = CARD_UNKNOWN) ];
720 		    bktr->card.eepromAddr = PFC8582_WADDR;
721 		    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
722 	            readEEProm(bktr, 0, 128, (u_char *) &eeprom );
723 
724 		    /* For Hauppauge, check the EEPROM begins with 0x84 */
725 		    if (eeprom[0] == 0x84) {
726                             bktr->card = cards[ (card = CARD_HAUPPAUGE) ];
727 			    bktr->card.eepromAddr = PFC8582_WADDR;
728 			    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
729                             goto checkTuner;
730 		    }
731 
732 		    /* For Osprey, check the EEPROM begins with "MMAC" */
733 		    if (  (eeprom[0] == 'M') &&(eeprom[1] == 'M')
734 			&&(eeprom[2] == 'A') &&(eeprom[3] == 'C')) {
735                             bktr->card = cards[ (card = CARD_OSPREY) ];
736 			    bktr->card.eepromAddr = PFC8582_WADDR;
737 			    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
738                             goto checkTuner;
739 		    }
740 		    printf("%s: Warning: Unknown card type. EEPROM data not recognised\n",
741 			   bktr_name(bktr));
742 		    printf("%s: %x %x %x %x\n", bktr_name(bktr),
743 			   eeprom[0],eeprom[1],eeprom[2],eeprom[3]);
744             }
745 
746             /* look for an STB card */
747             if ( (status = i2cRead( bktr, X24C01_RADDR )) != ABSENT ) {
748                     bktr->card = cards[ (card = CARD_STB) ];
749 		    bktr->card.eepromAddr = X24C01_WADDR;
750 		    bktr->card.eepromSize = (u_char)(128 / EEPROMBLOCKSIZE);
751                     goto checkTuner;
752             }
753 
754 	}
755 
756 	signCard( bktr, 1, 128, (u_char *)  &probe_signature );
757 
758 	if (bootverbose) {
759 	  printf("%s: card signature: ", bktr_name(bktr));
760 	  for (j = 0; j < Bt848_MAX_SIGN; j++) {
761 	    printf(" %02x ", probe_signature[j]);
762 	  }
763 	  printf("\n\n");
764 	}
765 	for (i = 0;
766 	     i < (sizeof bt848_card_signature)/ sizeof (struct bt848_card_sig);
767 	     i++ ) {
768 
769 	  card_found = 1;
770 	  probe_temp = (u_char *) &bt848_card_signature[i].signature;
771 
772 	  for (j = 0; j < Bt848_MAX_SIGN; j++) {
773 	    if ((probe_temp[j] & 0xf) != (probe_signature[j] & 0xf)) {
774 	      card_found = 0;
775 	      break;
776 	    }
777 
778 	  }
779 	  if (card_found) {
780 	    bktr->card = cards[ card = bt848_card_signature[i].card];
781 	    eeprom_i2c_address = locate_eeprom_address( bktr );
782 	    if (eeprom_i2c_address != -1) {
783 		bktr->card.eepromAddr = eeprom_i2c_address;
784 		bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
785 	    } else {
786 		bktr->card.eepromAddr = 0;
787 		bktr->card.eepromSize = 0;
788 	    }
789 	    tuner_i2c_address = locate_tuner_address( bktr );
790 	    select_tuner( bktr, bt848_card_signature[i].tuner );
791 	    goto checkDBX;
792 	  }
793 	}
794 
795 	/* We do not know the card type. Default to Miro */
796 	bktr->card = cards[ (card = CARD_MIRO) ];
797 
798 
799 checkEEPROM:
800 	/* look for a configuration eeprom */
801 	eeprom_i2c_address = locate_eeprom_address( bktr );
802 	if (eeprom_i2c_address != -1) {
803 	    bktr->card.eepromAddr = eeprom_i2c_address;
804 	    bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE);
805 	} else {
806 	    bktr->card.eepromAddr = 0;
807 	    bktr->card.eepromSize = 0;
808 	}
809 
810 
811 checkTuner:
812 
813 	/* look for a tuner */
814 	tuner_i2c_address = locate_tuner_address( bktr );
815 	if ( tuner_i2c_address == -1 ) {
816 		select_tuner( bktr, NO_TUNER );
817 		goto checkDBX;
818 	}
819 
820 #if defined( BKTR_OVERRIDE_TUNER )
821 	select_tuner( bktr, BKTR_OVERRIDE_TUNER );
822 	goto checkDBX;
823 #endif
824 	if (bktr->bt848_tuner != -1 ) {
825 	  select_tuner( bktr, bktr->bt848_tuner & 0xff );
826 	  goto checkDBX;
827 	}
828 
829 	/* Check for i2c devices */
830 	if (!any_i2c_devices) {
831 		select_tuner( bktr, NO_TUNER );
832 		goto checkDBX;
833 	}
834 
835 	/* differentiate type of tuner */
836 
837 	switch (card) {
838 	case CARD_MIRO:
839 	    switch (((INL(bktr, BKTR_GPIO_DATA) >> 10)-1)&7) {
840 	    case 0: select_tuner( bktr, TEMIC_PAL ); break;
841 	    case 1: select_tuner( bktr, PHILIPS_PAL ); break;
842 	    case 2: select_tuner( bktr, PHILIPS_NTSC ); break;
843 	    case 3: select_tuner( bktr, PHILIPS_SECAM ); break;
844 	    case 4: select_tuner( bktr, NO_TUNER ); break;
845 	    case 5: select_tuner( bktr, PHILIPS_PALI ); break;
846 	    case 6: select_tuner( bktr, TEMIC_NTSC ); break;
847 	    case 7: select_tuner( bktr, TEMIC_PALI ); break;
848 	    }
849 	    goto checkDBX;
850 	    break;
851 
852 	case CARD_HAUPPAUGE:
853 	    /* Hauppauge kindly supplied the following Tuner Table */
854 	    /* FIXME: I think the tuners the driver selects for types */
855 	    /* 0x08 and 0x15 may be incorrect but no one has complained. */
856 	    /* Old Temic tuners had their own API, but newer Temic tuners */
857 	    /* have the same API as Philips tuners */
858 	    /*
859   ID  Tuner Model           Format			We select Format
860  0x00 NONE
861  0x01 EXTERNAL
862  0x02 OTHER
863  0x03 Philips FI1216        BG
864  0x04 Philips FI1216MF      BGLL'			PHILIPS_SECAM
865  0x05 Philips FI1236        MN 				PHILIPS_NTSC
866  0x06 Philips FI1246        I 				PHILIPS_PALI
867  0x07 Philips FI1256        DK
868  0x08 Philips FI1216 MK2    BG 				PHILIPS_PALI
869  0x09 Philips FI1216MF MK2  BGLL' 			PHILIPS_SECAM
870  0x0a Philips FI1236 MK2    MN 				PHILIPS_NTSC
871  0x0b Philips FI1246 MK2    I 				PHILIPS_PALI
872  0x0c Philips FI1256 MK2    DK
873  0x0d Temic 4032FY5         NTSC			TEMIC_NTSC
874  0x0e Temic 4002FH5         BG				TEMIC_PAL
875  0x0f Temic 4062FY5         I 				TEMIC_PALI
876  0x10 Philips FR1216 MK2    BG
877  0x11 Philips FR1216MF MK2  BGLL' 			PHILIPS_FR1236_SECAM
878  0x12 Philips FR1236 MK2    MN 				PHILIPS_FR1236_NTSC
879  0x13 Philips FR1246 MK2    I
880  0x14 Philips FR1256 MK2    DK
881  0x15 Philips FM1216        BG 				PHILIPS_FR1216_PAL
882  0x16 Philips FM1216MF      BGLL' 			PHILIPS_FR1236_SECAM
883  0x17 Philips FM1236        MN 				PHILIPS_FR1236_NTSC
884  0x18 Philips FM1246        I
885  0x19 Philips FM1256        DK
886  0x1a Temic 4036FY5         MN (FI1236 MK2 clone)	PHILIPS_NTSC
887  0x1b Samsung TCPN9082D     MN
888  0x1c Samsung TCPM9092P     Pal BG/I/DK
889  0x1d Temic 4006FH5         BG				PHILIPS_PALI
890  0x1e Samsung TCPN9085D     MN/Radio
891  0x1f Samsung TCPB9085P     Pal BG/I/DK / Radio
892  0x20 Samsung TCPL9091P     Pal BG & Secam L/L'
893  0x21 Temic 4039FY5         NTSC Radio
894  0x22 Philips FQ1216ME      Pal BGIDK & Secam L/L'
895  0x23 Temic 4066FY5         Pal I (FI1246 MK2 clone)	PHILIPS_PALI
896  0x24 Philips TD1536        MN/ATSCDigital
897  0x25 Philips TD1536D       MN/ATSCDigital DUAL INPUT
898  0x26 Philips FMR1236       M/N FM(no demod)
899  0x27 Philips FI1256MP      B/G, D/K
900  0x28 Samsung TCPQ9091P     BG/I/DK, L/L'
901  0x29 Temic 4006FN5         BG/I/DK
902  0x2a Temic 4009FR5         BG FM			PHILIPS_FR1216_PAL
903  0x2b Temic 4046FM5         B/G, I, D/K, L/L'
904  0x2c Temic 4009FN5         B/G, I, D/K, FM (no demod)
905  0x2d Philips TD1536D_FH_44 MN/ATSCDigital DUAL INPUT
906 	    */
907 
908 
909 	    /* Determine the model number from the eeprom */
910 	    if (bktr->card.eepromAddr != 0) {
911 	        /* eeprom data block structure */
912 	        unsigned char *block_1, *block_2, *block_3, *block_4;
913 	        int block_1_data_size,  block_2_data_size, block_3_data_size;
914 	        int block_1_total_size, block_2_total_size, block_3_total_size;
915 		int block_4_header_size;
916 
917 		unsigned int model,revision;
918 		unsigned char tuner_code;
919 		unsigned char no_audio_mux;
920 
921 		readEEProm(bktr, 0, 128, (u_char *) &eeprom );
922 
923 	        /* LOCATE THE EEPROM DATA BLOCKS */
924 	        block_1 = &eeprom[0];
925 	        block_1_data_size = (block_1[2] << 8 | block_1[1]);
926 	        block_1_total_size = block_1_data_size + 3; /* Header bytes */
927 
928 	        block_2 = &eeprom[block_1_total_size];
929 	        block_2_data_size = (block_2[2] << 8 | block_2[1]);
930 	        block_2_total_size = block_2_data_size + 3; /* Header bytes */
931 
932 	        block_3 = &eeprom[block_1_total_size + block_2_total_size];
933 	        block_3_data_size = (block_3[0] &0x07);
934 	        block_3_total_size = block_3_data_size + 1; /* Header size */
935 
936 	        block_4 = &eeprom[block_1_total_size +block_2_total_size +block_3_total_size];
937 	        block_4_header_size = 1;
938 
939 		model    = (block_1[12] << 8  | block_1[11]);
940 		revision = (block_1[15] << 16 | block_1[14] << 8 | block_1[13]);
941 
942 		tuner_code = block_1[9];
943 
944 		no_audio_mux = ((block_3[3] >> 7) &0x01);
945 
946 		if (no_audio_mux) bktr->audio_mux_present = 0;
947 
948 		if (verbose)
949 		    printf("%s: Hauppauge Model %d %c%c%c%c\n",
950 			   bktr_name(bktr),
951 			   model,
952 			   ((revision >> 18) & 0x3f) + 32,
953 			   ((revision >> 12) & 0x3f) + 32,
954 			   ((revision >>  6) & 0x3f) + 32,
955 			   ((revision >>  0) & 0x3f) + 32 );
956 
957 	        /* Determine the tuner type from the eeprom */
958 
959 		switch (tuner_code) {
960 
961 		  case 0x5:
962                   case 0x0a:
963                   case 0x1a:
964 		    select_tuner( bktr, PHILIPS_NTSC );
965 		    goto checkDBX;
966 
967 		  case 0x4:
968                   case 0x9:
969 		    select_tuner( bktr, PHILIPS_SECAM );
970 		    goto checkDBX;
971 
972                   case 0x11:
973 	          case 0x16:
974 		    select_tuner( bktr, PHILIPS_FR1236_SECAM );
975 		    goto checkDBX;
976 
977                   case 0x12:
978 	          case 0x17:
979 		    select_tuner( bktr, PHILIPS_FR1236_NTSC );
980 		    goto checkDBX;
981 
982 		  case 0x6:
983 	          case 0x8:
984 	          case 0xb:
985 	          case 0x1d:
986 	          case 0x23:
987 		    select_tuner( bktr, PHILIPS_PALI );
988 		    goto checkDBX;
989 
990 	          case 0xd:
991 		    select_tuner( bktr, TEMIC_NTSC );
992 		    goto checkDBX;
993 
994                   case 0xe:
995 		    select_tuner( bktr, TEMIC_PAL );
996 		    goto checkDBX;
997 
998 	          case 0xf:
999 		    select_tuner( bktr, TEMIC_PALI );
1000 		    goto checkDBX;
1001 
1002                   case 0x15:
1003 		    select_tuner( bktr, PHILIPS_FR1216_PAL );
1004 		    goto checkDBX;
1005 
1006                   case 0x2a:
1007 		    bktr->msp_use_mono_source = 1;
1008 		    select_tuner( bktr, PHILIPS_FR1216_PAL );
1009 		    goto checkDBX;
1010 
1011 	          default :
1012 		    printf("%s: Warning - Unknown Hauppauge Tuner 0x%x\n",
1013 			   bktr_name(bktr), tuner_code);
1014 		}
1015 	    }
1016 	    break;
1017 
1018 
1019 	case CARD_AVER_MEDIA:
1020 	    /* AVerMedia kindly supplied some details of their EEPROM contents
1021 	     * which allow us to auto select the Tuner Type.
1022 	     * Only the newer AVerMedia cards actually have an EEPROM.
1023 	     */
1024 	    if (bktr->card.eepromAddr != 0) {
1025 
1026 		u_char tuner_make;   /* Eg Philips, Temic */
1027 		u_char tuner_tv_fm;  /* TV or TV with FM Radio */
1028 		u_char tuner_format; /* Eg NTSC, PAL, SECAM */
1029 		int    tuner;
1030 
1031 		int tuner_0_table[] = {
1032 			PHILIPS_NTSC,  PHILIPS_PAL,
1033 			PHILIPS_PAL,   PHILIPS_PAL,
1034 			PHILIPS_PAL,   PHILIPS_PAL,
1035 			PHILIPS_SECAM, PHILIPS_SECAM,
1036 			PHILIPS_SECAM, PHILIPS_PAL};
1037 
1038 		int tuner_0_fm_table[] = {
1039 			PHILIPS_FR1236_NTSC,  PHILIPS_FR1216_PAL,
1040 			PHILIPS_FR1216_PAL,   PHILIPS_FR1216_PAL,
1041 			PHILIPS_FR1216_PAL,   PHILIPS_FR1216_PAL,
1042 			PHILIPS_FR1236_SECAM, PHILIPS_FR1236_SECAM,
1043 			PHILIPS_FR1236_SECAM, PHILIPS_FR1216_PAL};
1044 
1045 		int tuner_1_table[] = {
1046 			TEMIC_NTSC,  TEMIC_PAL,   TEMIC_PAL,
1047 			TEMIC_PAL,   TEMIC_PAL,   TEMIC_PAL,
1048 			TEMIC_SECAM, TEMIC_SECAM, TEMIC_SECAM,
1049 			TEMIC_PAL};
1050 
1051 
1052 		/* Extract information from the EEPROM data */
1053 	    	readEEProm(bktr, 0, 128, (u_char *) &eeprom );
1054 
1055 		tuner_make   = (eeprom[0x41] & 0x7);
1056 		tuner_tv_fm  = (eeprom[0x41] & 0x18) >> 3;
1057 		tuner_format = (eeprom[0x42] & 0xf0) >> 4;
1058 
1059 		/* Treat tuner make 0 (Philips) and make 2 (LG) the same */
1060 		if ( ((tuner_make == 0) || (tuner_make == 2))
1061 		    && (tuner_format <= 9) && (tuner_tv_fm == 0) ) {
1062 			tuner = tuner_0_table[tuner_format];
1063 			select_tuner( bktr, tuner );
1064 			goto checkDBX;
1065 		}
1066 
1067 		if ( ((tuner_make == 0) || (tuner_make == 2))
1068 		    && (tuner_format <= 9) && (tuner_tv_fm == 1) ) {
1069 			tuner = tuner_0_fm_table[tuner_format];
1070 			select_tuner( bktr, tuner );
1071 			goto checkDBX;
1072 		}
1073 
1074 		if ( (tuner_make == 1) && (tuner_format <= 9) ) {
1075 			tuner = tuner_1_table[tuner_format];
1076 			select_tuner( bktr, tuner );
1077 			goto checkDBX;
1078 		}
1079 
1080 	    	printf("%s: Warning - Unknown AVerMedia Tuner Make %d Format %d\n",
1081 			bktr_name(bktr), tuner_make, tuner_format);
1082 	    }
1083 	    break;
1084 
1085 	case CARD_LEADTEK:
1086 #if BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL
1087 	    select_tuner( bktr, PHILIPS_FR1216_PAL );
1088 #else
1089 	    select_tuner( bktr, PHILIPS_FR1236_NTSC );
1090 #endif
1091             goto checkDBX;
1092 	    break;
1093 
1094 	} /* end switch(card) */
1095 
1096 
1097         /* At this point, a goto checkDBX has not occurred */
1098         /* We have not been able to select a Tuner */
1099         /* Some cards make use of the tuner address to */
1100         /* identify the make/model of tuner */
1101 
1102         /* At address 0xc0/0xc1 we often find a TEMIC NTSC */
1103         if ( i2cRead( bktr, 0xc1 ) != ABSENT ) {
1104 	    select_tuner( bktr, TEMIC_NTSC );
1105             goto checkDBX;
1106         }
1107 
1108         /* At address 0xc6/0xc7 we often find a PHILIPS NTSC Tuner */
1109         if ( i2cRead( bktr, 0xc7 ) != ABSENT ) {
1110 	    select_tuner( bktr, PHILIPS_NTSC );
1111             goto checkDBX;
1112         }
1113 
1114         /* Address 0xc2/0xc3 is default (or common address) for several */
1115 	/* tuners and we cannot tell which is which. */
1116 	/* And for all other tuner i2c addresses, select the default */
1117 	select_tuner( bktr, DEFAULT_TUNER );
1118 
1119 
1120 checkDBX:
1121 #if defined( BKTR_OVERRIDE_DBX )
1122 	bktr->card.dbx = BKTR_OVERRIDE_DBX;
1123 	goto checkMSP;
1124 #endif
1125    /* Check for i2c devices */
1126 	if (!any_i2c_devices) {
1127 		goto checkMSP;
1128 	}
1129 
1130 	/* probe for BTSC (dbx) chip */
1131 	if ( i2cRead( bktr, TDA9850_RADDR ) != ABSENT )
1132 		bktr->card.dbx = 1;
1133 
1134 checkMSP:
1135 	/* If this is a Hauppauge Bt878 card, we need to enable the
1136 	 * MSP 34xx audio chip.
1137 	 * If this is a Hauppauge Bt848 card, reset the MSP device.
1138 	 * The MSP reset line is wired to GPIO pin 5. On Bt878 cards a pulldown
1139 	 * resistor holds the device in reset until we set GPIO pin 5.
1140          */
1141 
1142 	/* Optionally skip the MSP reset. This is handy if you initialise the
1143 	 * MSP audio in another operating system (eg Windows) first and then
1144 	 * do a soft reboot.
1145 	 */
1146 
1147 #ifndef BKTR_NO_MSP_RESET
1148 	if (card == CARD_HAUPPAUGE) {
1149             OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5));
1150             OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
1151             DELAY(2500); /* wait 2.5ms */
1152             OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */
1153             DELAY(2500); /* wait 2.5ms */
1154             OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5));  /* write '1' */
1155             DELAY(2500); /* wait 2.5ms */
1156         }
1157 #endif
1158 
1159 #if defined( BKTR_OVERRIDE_MSP )
1160 	bktr->card.msp3400c = BKTR_OVERRIDE_MSP;
1161 	goto checkMSPEnd;
1162 #endif
1163 
1164 	/* Check for i2c devices */
1165 	if (!any_i2c_devices) {
1166 		goto checkMSPEnd;
1167 	}
1168 
1169 	if ( i2cRead( bktr, MSP3400C_RADDR ) != ABSENT ) {
1170 		bktr->card.msp3400c = 1;
1171 	}
1172 
1173 checkMSPEnd:
1174 
1175 	if (bktr->card.msp3400c) {
1176 		bktr->msp_addr = MSP3400C_WADDR;
1177 		msp_read_id( bktr );
1178 		printf("%s: Detected a MSP%s at 0x%x\n", bktr_name(bktr),
1179 		       bktr->msp_version_string,
1180 		       bktr->msp_addr);
1181 
1182 	}
1183 
1184 /* Check for Dolby Surround Sound DPL3518A sound chip */
1185 	if ( i2cRead( bktr, DPL3518A_RADDR ) != ABSENT ) {
1186 		bktr->card.dpl3518a = 1;
1187 	}
1188 
1189 	if (bktr->card.dpl3518a) {
1190 		bktr->dpl_addr = DPL3518A_WADDR;
1191 		dpl_read_id( bktr );
1192 		printf("%s: Detected a DPL%s at 0x%x\n", bktr_name(bktr),
1193 		       bktr->dpl_version_string,
1194 		       bktr->dpl_addr);
1195 	}
1196 
1197 /* Start of Check Remote */
1198         /* Check for the Hauppauge IR Remote Control */
1199         /* If there is an external unit, the internal will be ignored */
1200 
1201         bktr->remote_control = 0; /* initial value */
1202 
1203         if (any_i2c_devices) {
1204             if (i2cRead( bktr, HAUP_REMOTE_EXT_RADDR ) != ABSENT )
1205                 {
1206                 bktr->remote_control      = 1;
1207                 bktr->remote_control_addr = HAUP_REMOTE_EXT_RADDR;
1208                 }
1209             else if (i2cRead( bktr, HAUP_REMOTE_INT_RADDR ) != ABSENT )
1210                 {
1211                 bktr->remote_control      = 1;
1212                 bktr->remote_control_addr = HAUP_REMOTE_INT_RADDR;
1213                 }
1214 
1215         }
1216         /* If a remote control is found, poll it 5 times to turn off the LED */
1217         if (bktr->remote_control) {
1218                 int i;
1219                 for (i=0; i<5; i++)
1220                         i2cRead( bktr, bktr->remote_control_addr );
1221         }
1222 /* End of Check Remote */
1223 
1224 #if defined( BKTR_USE_PLL )
1225 	bktr->xtal_pll_mode = BT848_USE_PLL;
1226 	goto checkPLLEnd;
1227 #endif
1228 	/* Default is to use XTALS and not PLL mode */
1229 	bktr->xtal_pll_mode = BT848_USE_XTALS;
1230 
1231 	/* Enable PLL mode for OSPREY users */
1232 	if (card == CARD_OSPREY)
1233 		bktr->xtal_pll_mode = BT848_USE_PLL;
1234 
1235 	/* Enable PLL mode for Video Highway Xtreme users */
1236 	if (card == CARD_VIDEO_HIGHWAY_XTREME)
1237 		bktr->xtal_pll_mode = BT848_USE_PLL;
1238 
1239 
1240 	/* Most (perhaps all) Bt878 cards need to be switched to PLL mode */
1241 	/* as they only fit the NTSC crystal to their cards */
1242 	/* Default to enabling PLL mode for all Bt878/879 cards */
1243 
1244 	if ((bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879) )
1245 		bktr->xtal_pll_mode = BT848_USE_PLL;
1246 
1247 
1248 #if defined( BKTR_USE_PLL )
1249 checkPLLEnd:
1250 #endif
1251 
1252 
1253 	bktr->card.tuner_pllAddr = tuner_i2c_address;
1254 
1255 	if ( verbose ) {
1256 		printf( "%s: %s", bktr_name(bktr), bktr->card.name );
1257 		if ( bktr->card.tuner )
1258 			printf( ", %s tuner", bktr->card.tuner->name );
1259 		if ( bktr->card.dbx )
1260 			printf( ", dbx stereo" );
1261 		if ( bktr->card.msp3400c )
1262 			printf( ", msp3400c stereo" );
1263 		if ( bktr->card.dpl3518a )
1264 			printf( ", dpl3518a dolby" );
1265                 if ( bktr->remote_control )
1266                         printf( ", remote control" );
1267 		printf( ".\n" );
1268 	}
1269 }
1270 
1271 #undef ABSENT
1272