/* $FreeBSD$ */ /* * This is part of the Driver for Video Capture Cards (Frame grabbers) * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 * chipset. * Copyright Roger Hardiman and Amancio Hasty. * * bktr_card : This deals with identifying TV cards. * trying to find the card make and model of card. * trying to find the type of tuner fitted. * reading the configuration EEPROM. * locating i2c devices. * */ /* * 1. Redistributions of source code must retain the * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Amancio Hasty and * Roger Hardiman * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include /* for DELAY */ #include #include #include /* extensions to ioctl_meteor.h */ #include #include #include #include #include /* Various defines */ #define HAUP_REMOTE_INT_WADDR 0x30 #define HAUP_REMOTE_INT_RADDR 0x31 #define HAUP_REMOTE_EXT_WADDR 0x34 #define HAUP_REMOTE_EXT_RADDR 0x35 /* address of BTSC/SAP decoder chip */ #define TDA9850_WADDR 0xb6 #define TDA9850_RADDR 0xb7 /* address of MSP3400C chip */ #define MSP3400C_WADDR 0x80 #define MSP3400C_RADDR 0x81 /* EEProm (128 * 8) on an STB card */ #define X24C01_WADDR 0xae #define X24C01_RADDR 0xaf /* EEProm (256 * 8) on a Hauppauge card */ /* and on most BT878s cards to store the sub-system vendor id */ #define PFC8582_WADDR 0xa0 #define PFC8582_RADDR 0xa1 #if BROOKTREE_SYSTEM_DEFAULT == BROOKTREE_PAL #define DEFAULT_TUNER PHILIPS_PALI #else #define DEFAULT_TUNER PHILIPS_NTSC #endif /* * the data for each type of card * * Note: * these entried MUST be kept in the order defined by the CARD_XXX defines! */ static const struct CARDTYPE cards[] = { { CARD_UNKNOWN, /* the card id */ "Unknown", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx unknown */ 0, 0, /* EEProm unknown */ 0, /* EEProm unknown */ { 0, 0, 0, 0, 0 }, 0 }, /* GPIO mask */ { CARD_MIRO, /* the card id */ "Miro TV", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx unknown */ 0, 0, /* EEProm unknown */ 0, /* size unknown */ { 0x02, 0x01, 0x00, 0x0a, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_HAUPPAUGE, /* the card id */ "Hauppauge WinCast/TV", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, PFC8582_WADDR, /* EEProm type */ (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ { 0x00, 0x02, 0x01, 0x04, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_STB, /* the card id */ "STB TV/PCI", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, X24C01_WADDR, /* EEProm type */ (u_char)(128 / EEPROMBLOCKSIZE), /* 128 bytes */ { 0x00, 0x01, 0x02, 0x02, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_INTEL, /* the card id */ "Intel Smart Video III/VideoLogic Captivator PCI", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, 0, 0, 0, { 0, 0, 0, 0, 0 }, /* audio MUX values */ 0x00 }, /* GPIO mask */ { CARD_IMS_TURBO, /* the card id */ "IMS TV Turbo", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, PFC8582_WADDR, /* EEProm type */ (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ { 0x01, 0x02, 0x01, 0x00, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_AVER_MEDIA, /* the card id */ "AVer Media TV/FM", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, 0, /* EEProm type */ 0, /* EEProm size */ { 0x0c, 0x00, 0x0b, 0x0b, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_OSPREY, /* the card id */ "MMAC Osprey", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, PFC8582_WADDR, /* EEProm type */ (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ { 0x00, 0x00, 0x00, 0x00, 0 }, /* audio MUX values */ 0 }, /* GPIO mask */ { CARD_NEC_PK, /* the card id */ "NEC PK-UG-X017", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, 0, /* EEProm type */ 0, /* EEProm size */ { 0x01, 0x02, 0x01, 0x00, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_IO_GV, /* the card id */ "I/O DATA GV-BCTV2/PCI", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, 0, /* EEProm type */ 0, /* EEProm size */ { 0x00, 0x00, 0x00, 0x00, 1 }, /* Has special MUX handler */ 0x0f }, /* GPIO mask */ { CARD_FLYVIDEO, /* the card id */ "FlyVideo", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, /* msp34xx is optional */ 0xac, /* EEProm type */ (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ { 0x000, 0x800, 0x400, 0x8dff00, 1 },/* audio MUX values */ 0x8dff00 }, /* GPIO mask */ { CARD_ZOLTRIX, /* the card id */ "Zoltrix", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, /* msp34xx is optional */ 0, /* EEProm type */ 0, /* EEProm size */ { 0x04, 0x01, 0x00, 0x0a, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_KISS, /* the card id */ "KISS TV/FM PCI", /* the 'name' */ NULL, /* the tuner */ 0, /* the tuner i2c address */ 0, /* dbx is optional */ 0, /* msp34xx is optional */ 0, /* EEProm type */ 0, /* EEProm size */ { 0x0c, 0x00, 0x0b, 0x0b, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_VIDEO_HIGHWAY_XTREME, /* the card id */ "Video Highway Xtreme", /* the 'name' */ NULL, /* the tuner */ 0, 0, 0, 0, /* EEProm type */ 0, /* EEProm size */ { 0x00, 0x02, 0x01, 0x04, 1 }, /* audio MUX values */ 0x0f }, /* GPIO mask */ { CARD_ASKEY_DYNALINK_MAGIC_TVIEW, /* the card id */ "Askey/Dynalink Magic TView", /* the 'name' */ NULL, /* the tuner */ 0, 0, 0, 0, /* EEProm type */ 0, /* EEProm size */ { 0x00, 0x00, 0x00, 0x00, 0 }, /* audio MUX values */ 0x00 }, /* GPIO mask */ { CARD_LEADTEK, /* the card id */ "Leadtek Winfast TV 2000", /* the 'name' */ NULL, /* the tuner */ 0, 0, 0, 0, /* EEProm type */ 0, /* EEProm size */ /* Tuner, Extern, Intern, Mute, Enabled */ { 0x621000, 0x621000, 0x621000, 0xE21000, 1 }, /* audio MUX values */ 0xfff000 }, /* GPIO mask */ }; struct bt848_card_sig bt848_card_signature[1]= { /* IMS TURBO TV : card 5 */ { 5,9, {00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 00, 00}} }; /* * Write to the configuration EEPROM on the card. * This is dangerous and will mess up your card. Therefore it is not * implemented. */ int writeEEProm( bktr_ptr_t bktr, int offset, int count, u_char *data ) { return( -1 ); } /* * Read the contents of the configuration EEPROM on the card. * (This is not fitted to all makes of card. All Hauppuage cards have them * and so do newer Bt878 based cards. */ int readEEProm( bktr_ptr_t bktr, int offset, int count, u_char *data ) { int x; int addr; int max; int byte; /* get the address of the EEProm */ addr = (int)(bktr->card.eepromAddr & 0xff); if ( addr == 0 ) return( -1 ); max = (int)(bktr->card.eepromSize * EEPROMBLOCKSIZE); if ( (offset + count) > max ) return( -1 ); /* set the start address */ if ( i2cWrite( bktr, addr, offset, -1 ) == -1 ) return( -1 ); /* the read cycle */ for ( x = 0; x < count; ++x ) { if ( (byte = i2cRead( bktr, (addr | 1) )) == -1 ) return( -1 ); data[ x ] = byte; } return( 0 ); } #define ABSENT (-1) /* * get a signature of the card * read all 128 possible i2c read addresses from 0x01 thru 0xff * build a bit array with a 1 bit for each i2c device that responds * * XXX FIXME: use offset & count args */ int signCard( bktr_ptr_t bktr, int offset, int count, u_char* sig ) { int x; for ( x = 0; x < 16; ++x ) sig[ x ] = 0; for ( x = 0; x < count; ++x ) { if ( i2cRead( bktr, (2 * x) + 1 ) != ABSENT ) { sig[ x / 8 ] |= (1 << (x % 8) ); } } return( 0 ); } /* * check_for_i2c_devices. * Some BT848 cards have no tuner and no additional i2c devices * eg stereo decoder. These are used for video conferencing or capture from * a video camera. (eg VideoLogic Captivator PCI, Intel SmartCapture card). * * Determine if there are any i2c devices present. There are none present if * a) reading from all 128 devices returns ABSENT (-1) for each one * (eg VideoLogic Captivator PCI with BT848) * b) reading from all 128 devices returns 0 for each one * (eg VideoLogic Captivator PCI rev. 2F with BT848A) */ static int check_for_i2c_devices( bktr_ptr_t bktr ){ int x, temp_read; int i2c_all_0 = 1; int i2c_all_absent = 1; for ( x = 0; x < 128; ++x ) { temp_read = i2cRead( bktr, (2 * x) + 1 ); if (temp_read != 0) i2c_all_0 = 0; if (temp_read != ABSENT) i2c_all_absent = 0; } if ((i2c_all_0) || (i2c_all_absent)) return 0; else return 1; } /* * Temic/Philips datasheets say tuners can be at i2c addresses 0xc0, 0xc2, * 0xc4 or 0xc6, settable by links on the tuner. * Determine the actual address used on the TV card by probing read addresses. */ static int locate_tuner_address( bktr_ptr_t bktr) { if (i2cRead( bktr, 0xc1) != ABSENT) return 0xc0; if (i2cRead( bktr, 0xc3) != ABSENT) return 0xc2; if (i2cRead( bktr, 0xc5) != ABSENT) return 0xc4; if (i2cRead( bktr, 0xc7) != ABSENT) return 0xc6; return -1; /* no tuner found */ } /* * Search for a configuration EEPROM on the i2c bus by looking at i2c addresses * where EEPROMs are usually found. * On some cards, the EEPROM appears in several locations, but all in the * range 0xa0 to 0xae. */ static int locate_eeprom_address( bktr_ptr_t bktr) { if (i2cRead( bktr, 0xa0) != ABSENT) return 0xa0; if (i2cRead( bktr, 0xac) != ABSENT) return 0xac; if (i2cRead( bktr, 0xae) != ABSENT) return 0xae; return -1; /* no eeprom found */ } /* * determine the card brand/model * OVERRIDE_CARD, OVERRIDE_TUNER, OVERRIDE_DBX and OVERRIDE_MSP * can be used to select a specific device, regardless of the * autodetection and i2c device checks. * * The scheme used for probing cards faces these problems: * It is impossible to work out which type of tuner is actually fitted, * (the driver cannot tell if the Tuner is PAL or NTSC, Temic or Philips) * It is impossible to determine what audio-mux hardware is connected. * It is impossible to determine if there is extra hardware connected to the * GPIO pins (eg radio chips or MSP34xx reset logic) * * However some makes of card (eg Hauppauge) come with a configuration eeprom * which tells us the make of the card. Most eeproms also tell us the * tuner type and other features of the the cards. * * The current probe code works as follows * A) If the card uses a Bt878/879: * 1) Read the sub-system vendor id from the configuration EEPROM. * Select the required tuner, audio mux arrangement and any other * onboard features. If this fails, move to step B. * B) If it card uses a Bt848, 848A, 849A or an unknown Bt878/879: * 1) Look for I2C devices. If there are none fitted, it is an Intel or * VideoLogic cards. * 2) Look for a configuration EEPROM. * 2a) If there is one at I2C address 0xa0 it may be * a Hauppauge or an Osprey. Check the EEPROM contents to determine which * one it is. For Hauppauge, select the tuner type and audio hardware. * 2b) If there is an EEPROM at I2C address 0xa8 it will be an STB card. * We still have to guess on the tuner type. * * C) If we do not know the card type from (A) or (B), guess at the tuner * type based on the I2C address of the tuner. * * D) After determining the Tuner Type, we probe the i2c bus for other * devices at known locations, eg IR-Remote Control, MSP34xx and TDA * stereo chips. */ /* * These are the sub-system vendor ID codes stored in the * configuration EEPROM used on Bt878/879 cards. They should match the * number assigned to the company by the PCI Special Interest Group */ #define VENDOR_AVER_MEDIA 0x1461 #define VENDOR_HAUPPAUGE 0x0070 #define VENDOR_FLYVIDEO 0x1851 #define VENDOR_STB 0x10B4 #define VENDOR_ASKEY_COMP 0x144F #define VENDOR_LEADTEK 0x6606 void probeCard( bktr_ptr_t bktr, int verbose, int unit ) { int card, i,j, card_found; int status; bt848_ptr_t bt848; u_char probe_signature[128], *probe_temp; int any_i2c_devices; u_char eeprom[256]; u_char tuner_code = 0; int tuner_i2c_address = -1; int eeprom_i2c_address = -1; bt848 = bktr->base; /* Select all GPIO bits as inputs */ bt848->gpio_out_en = 0; if (bootverbose) printf("bktr: GPIO is 0x%08x\n", bt848->gpio_data); #ifdef HAUPPAUGE_MSP_RESET /* Reset the MSP34xx audio chip. This resolves bootup card * detection problems with old Bt848 based Hauppauge cards with * MSP34xx stereo audio chips. This must be user enabled because * at this point the probe function does not know the card type. */ bt848->gpio_out_en = bt848->gpio_out_en | (1<<5); bt848->gpio_data = bt848->gpio_data | (1<<5); /* write '1' */ DELAY(2500); /* wait 2.5ms */ bt848->gpio_data = bt848->gpio_data & ~(1<<5); /* write '0' */ DELAY(2500); /* wait 2.5ms */ bt848->gpio_data = bt848->gpio_data | (1<<5); /* write '1' */ DELAY(2500); /* wait 2.5ms */ #endif /* Check for the presence of i2c devices */ any_i2c_devices = check_for_i2c_devices( bktr ); /* Check for a user specified override on the card selection */ #if defined( OVERRIDE_CARD ) bktr->card = cards[ (card = OVERRIDE_CARD) ]; goto checkEEPROM; #endif if (bktr->bt848_card != -1 ) { bktr->card = cards[ (card = bktr->bt848_card) ]; goto checkEEPROM; } /* No override, so try and determine the make of the card */ /* On BT878/879 cards, read the sub-system vendor id */ /* This identifies the manufacturer of the card and the model */ /* In theory this can be read from PCI registers but this does not */ /* appear to work on the FlyVideo 98. Hauppauge also warned that */ /* the PCI registers are sometimes not loaded correctly. */ /* Therefore, I will read the sub-system vendor ID from the EEPROM */ /* (just like the Bt878 does during power up initialisation) */ if ((bktr->id==BROOKTREE_878) || (bktr->id==BROOKTREE_879)) { /* Try and locate the EEPROM */ eeprom_i2c_address = locate_eeprom_address( bktr ); if (eeprom_i2c_address != -1) { unsigned int subsystem_vendor_id; /* vendors PCI-SIG ID */ unsigned int subsystem_id; /* board model number */ unsigned int byte_252, byte_253, byte_254, byte_255; bktr->card = cards[ (card = CARD_UNKNOWN) ]; bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); readEEProm(bktr, 0, 256, (u_char *) &eeprom ); byte_252 = (unsigned int)eeprom[252]; byte_253 = (unsigned int)eeprom[253]; byte_254 = (unsigned int)eeprom[254]; byte_255 = (unsigned int)eeprom[255]; subsystem_id = (byte_252 << 8) | byte_253; subsystem_vendor_id = (byte_254 << 8) | byte_255; if ( bootverbose ) printf("subsytem 0x%04x 0x%04x\n",subsystem_vendor_id, subsystem_id); if (subsystem_vendor_id == VENDOR_AVER_MEDIA) { bktr->card = cards[ (card = CARD_AVER_MEDIA) ]; bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } if (subsystem_vendor_id == VENDOR_HAUPPAUGE) { bktr->card = cards[ (card = CARD_HAUPPAUGE) ]; bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } if (subsystem_vendor_id == VENDOR_FLYVIDEO) { bktr->card = cards[ (card = CARD_FLYVIDEO) ]; bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } if (subsystem_vendor_id == VENDOR_STB) { bktr->card = cards[ (card = CARD_STB) ]; bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } if (subsystem_vendor_id == VENDOR_ASKEY_COMP) { bktr->card = cards[ (card = CARD_ASKEY_DYNALINK_MAGIC_TVIEW) ]; bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } if (subsystem_vendor_id == VENDOR_LEADTEK) { bktr->card = cards[ (card = CARD_LEADTEK) ]; bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } /* Vendor is unknown. We will use the standard probe code */ /* which may not give best results */ printf("Warning - card vendor 0x%04x (model 0x%04x) unknown.\n",subsystem_vendor_id,subsystem_id); } else { printf("Card has no configuration EEPROM. Cannot determine card make.\n"); } } /* end of bt878/bt879 card detection code */ /* If we get to this point, we must have a Bt848/848A/849A card */ /* or a Bt878/879 with an unknown subsystem vendor id */ /* Try and determine the make of card by clever i2c probing */ /* Check for i2c devices. If none, move on */ if (!any_i2c_devices) { bktr->card = cards[ (card = CARD_INTEL) ]; bktr->card.eepromAddr = 0; bktr->card.eepromSize = 0; goto checkTuner; } /* Look for Hauppauge, STB and Osprey cards by the presence */ /* of an EEPROM */ /* Note: Bt878 based cards also use EEPROMs so we can only do this */ /* test on BT848/848A and 849A based cards. */ if ((bktr->id==BROOKTREE_848) || (bktr->id==BROOKTREE_848A) || (bktr->id==BROOKTREE_849A)) { /* At i2c address 0xa0, look for Hauppauge and Osprey cards */ if ( (status = i2cRead( bktr, PFC8582_RADDR )) != ABSENT ) { /* Read the eeprom contents */ bktr->card = cards[ (card = CARD_UNKNOWN) ]; bktr->card.eepromAddr = PFC8582_WADDR; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); readEEProm(bktr, 0, 128, (u_char *) &eeprom ); /* For Hauppauge, check the EEPROM begins with 0x84 */ if (eeprom[0] == 0x84) { bktr->card = cards[ (card = CARD_HAUPPAUGE) ]; bktr->card.eepromAddr = PFC8582_WADDR; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } /* For Osprey, check the EEPROM begins with "MMAC" */ if ( (eeprom[0] == 'M') &&(eeprom[1] == 'M') &&(eeprom[2] == 'A') &&(eeprom[3] == 'C')) { bktr->card = cards[ (card = CARD_OSPREY) ]; bktr->card.eepromAddr = PFC8582_WADDR; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); goto checkTuner; } printf("Warning: Unknown card type. EEPROM data not recognised\n"); printf("%x %x %x %x\n",eeprom[0],eeprom[1],eeprom[2],eeprom[3]); } /* look for an STB card */ if ( (status = i2cRead( bktr, X24C01_RADDR )) != ABSENT ) { bktr->card = cards[ (card = CARD_STB) ]; bktr->card.eepromAddr = X24C01_WADDR; bktr->card.eepromSize = (u_char)(128 / EEPROMBLOCKSIZE); goto checkTuner; } } signCard( bktr, 1, 128, (u_char *) &probe_signature ); if (bootverbose) { printf("card signature \n"); for (j = 0; j < Bt848_MAX_SIGN; j++) { printf(" %02x ", probe_signature[j]); } printf("\n\n"); } for (i = 0; i < (sizeof bt848_card_signature)/ sizeof (struct bt848_card_sig); i++ ) { card_found = 1; probe_temp = (u_char *) &bt848_card_signature[i].signature; for (j = 0; j < Bt848_MAX_SIGN; j++) { if ((probe_temp[j] & 0xf) != (probe_signature[j] & 0xf)) { card_found = 0; break; } } if (card_found) { bktr->card = cards[ card = bt848_card_signature[i].card]; select_tuner( bktr, bt848_card_signature[i].tuner ); eeprom_i2c_address = locate_eeprom_address( bktr ); if (eeprom_i2c_address != -1) { bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); } else { bktr->card.eepromAddr = 0; bktr->card.eepromSize = 0; } goto checkDBX; } } /* We do not know the card type. Default to Miro */ bktr->card = cards[ (card = CARD_MIRO) ]; checkEEPROM: /* look for a configuration eeprom */ eeprom_i2c_address = locate_eeprom_address( bktr ); if (eeprom_i2c_address != -1) { bktr->card.eepromAddr = eeprom_i2c_address; bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); } else { bktr->card.eepromAddr = 0; bktr->card.eepromSize = 0; } checkTuner: /* look for a tuner */ tuner_i2c_address = locate_tuner_address( bktr ); if ( tuner_i2c_address == -1 ) { select_tuner( bktr, NO_TUNER ); goto checkDBX; } #if defined( OVERRIDE_TUNER ) select_tuner( bktr, OVERRIDE_TUNER ); goto checkDBX; #endif if (bktr->bt848_tuner != -1 ) { select_tuner( bktr, bktr->bt848_tuner & 0xff ); goto checkDBX; } /* Check for i2c devices */ if (!any_i2c_devices) { select_tuner( bktr, NO_TUNER ); goto checkDBX; } /* differentiate type of tuner */ switch (card) { case CARD_MIRO: switch (((bt848->gpio_data >> 10)-1)&7) { case 0: select_tuner( bktr, TEMIC_PAL ); break; case 1: select_tuner( bktr, PHILIPS_PAL ); break; case 2: select_tuner( bktr, PHILIPS_NTSC ); break; case 3: select_tuner( bktr, PHILIPS_SECAM ); break; case 4: select_tuner( bktr, NO_TUNER ); break; case 5: select_tuner( bktr, PHILIPS_PALI ); break; case 6: select_tuner( bktr, TEMIC_NTSC ); break; case 7: select_tuner( bktr, TEMIC_PALI ); break; } goto checkDBX; break; case CARD_HAUPPAUGE: /* Hauppauge kindly supplied the following Tuner Table */ /* FIXME: I think the tuners the driver selects for types */ /* 0x08 and 0x15 may be incorrect but no one has complained. */ /* ID Tuner Model Format We select Format 0 NONE 1 EXTERNAL 2 OTHER 3 Philips FI1216 BG 4 Philips FI1216MF BGLL' 5 Philips FI1236 MN PHILIPS_NTSC 6 Philips FI1246 I PHILIPS_PALI 7 Philips FI1256 DK 8 Philips FI1216 MK2 BG PHILIPS_PALI 9 Philips FI1216MF MK2 BGLL' a Philips FI1236 MK2 MN PHILIPS_NTSC b Philips FI1246 MK2 I PHILIPS_PALI c Philips FI1256 MK2 DK d Temic 4032FY5 NTSC TEMIC_NTSC e Temic 4002FH5 BG TEMIC_PAL f Temic 4062FY5 I TEMIC_PALI 10 Philips FR1216 MK2 BG 11 Philips FR1216MF MK2 BGLL' 12 Philips FR1236 MK2 MN PHILIPS_FR1236_NTSC 13 Philips FR1246 MK2 I 14 Philips FR1256 MK2 DK 15 Philips FM1216 BG PHILIPS_FR1216_PAL 16 Philips FM1216MF BGLL' 17 Philips FM1236 MN PHILIPS_FR1236_NTSC 18 Philips FM1246 I 19 Philips FM1256 DK 1a Temic 4036FY5 MN - FI1236 MK2 clone 1b Samsung TCPN9082D MN 1c Samsung TCPM9092P Pal BG/I/DK 1d Temic 4006FH5 BG PHILIPS_PALI clone 1e Samsung TCPN9085D MN/Radio 1f Samsung TCPB9085P Pal BG/I/DK / Radio 20 Samsung TCPL9091P Pal BG & Secam L/L' 21 Temic 4039FY5 NTSC Radio */ /* Determine the model number from the eeprom */ if (bktr->card.eepromAddr != 0) { u_int model; u_int revision; readEEProm(bktr, 0, 128, (u_char *) &eeprom ); model = (eeprom[12] << 8 | eeprom[11]); revision = (eeprom[15] << 16 | eeprom[14] << 8 | eeprom[13]); if (verbose) printf("bktr%d: Hauppauge Model %d %c%c%c%c\n", unit, model, ((revision >> 18) & 0x3f) + 32, ((revision >> 12) & 0x3f) + 32, ((revision >> 6) & 0x3f) + 32, ((revision >> 0) & 0x3f) + 32 ); /* Determine the tuner type from the eeprom */ tuner_code = eeprom[9]; switch (tuner_code) { case 0x5: case 0x0a: case 0x1a: select_tuner( bktr, PHILIPS_NTSC ); goto checkDBX; case 0x12: case 0x17: select_tuner( bktr, PHILIPS_FR1236_NTSC ); goto checkDBX; case 0x6: case 0x8: case 0xb: case 0x1d: select_tuner( bktr, PHILIPS_PALI ); goto checkDBX; case 0xd: select_tuner( bktr, TEMIC_NTSC ); goto checkDBX; case 0xe: select_tuner( bktr, TEMIC_PAL ); goto checkDBX; case 0xf: select_tuner( bktr, TEMIC_PALI ); goto checkDBX; case 0x15: select_tuner( bktr, PHILIPS_FR1216_PAL ); goto checkDBX; default : printf("Warning - Unknown Hauppauge Tuner 0x%x\n",tuner_code); } } break; case CARD_AVER_MEDIA: /* AVerMedia kindly supplied some details of their EEPROM contents * which allow us to auto select the Tuner Type. * Only the newer AVerMedia cards actually have an EEPROM. */ if (bktr->card.eepromAddr != 0) { u_char tuner_make; /* Eg Philips, Temic */ u_char tuner_tv_fm; /* TV or TV with FM Radio */ u_char tuner_format; /* Eg NTSC, PAL, SECAM */ int tuner; int tuner_0_table[] = { PHILIPS_NTSC, PHILIPS_PAL, PHILIPS_PAL, PHILIPS_PAL, PHILIPS_PAL, PHILIPS_PAL, PHILIPS_SECAM, PHILIPS_SECAM, PHILIPS_SECAM, PHILIPS_PAL}; int tuner_0_fm_table[] = { PHILIPS_FR1236_NTSC, PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, PHILIPS_FR1236_SECAM, PHILIPS_FR1236_SECAM, PHILIPS_FR1236_SECAM, PHILIPS_FR1216_PAL}; int tuner_1_table[] = { TEMIC_NTSC, TEMIC_PAL, TEMIC_PAL, TEMIC_PAL, TEMIC_PAL, TEMIC_PAL, TEMIC_SECAM, TEMIC_SECAM, TEMIC_SECAM, TEMIC_PAL}; /* Extract information from the EEPROM data */ readEEProm(bktr, 0, 128, (u_char *) &eeprom ); tuner_make = (eeprom[0x41] & 0x7); tuner_tv_fm = (eeprom[0x41] & 0x18) >> 3; tuner_format = (eeprom[0x42] & 0xf0) >> 4; /* Treat tuner make 0 (Philips) and make 2 (LG) the same */ if ( ((tuner_make == 0) || (tuner_make == 2)) && (tuner_format <= 9) && (tuner_tv_fm == 0) ) { tuner = tuner_0_table[tuner_format]; select_tuner( bktr, tuner ); goto checkDBX; } if ( ((tuner_make == 0) || (tuner_make == 2)) && (tuner_format <= 9) && (tuner_tv_fm == 1) ) { tuner = tuner_0_fm_table[tuner_format]; select_tuner( bktr, tuner ); goto checkDBX; } if ( (tuner_make == 1) && (tuner_format <= 9) ) { tuner = tuner_1_table[tuner_format]; select_tuner( bktr, tuner ); goto checkDBX; } printf("Warning - Unknown AVerMedia Tuner Make %d Format %d\n", tuner_make, tuner_format); } break; } /* end switch(card) */ /* At this point, a goto checkDBX has not occured */ /* We have not been able to select a Tuner */ /* Some cards make use of the tuner address to */ /* identify the make/model of tuner */ /* At address 0xc0/0xc1 we often find a TEMIC NTSC */ if ( i2cRead( bktr, 0xc1 ) != ABSENT ) { select_tuner( bktr, TEMIC_NTSC ); goto checkDBX; } /* At address 0xc6/0xc7 we often find a PHILIPS NTSC Tuner */ if ( i2cRead( bktr, 0xc7 ) != ABSENT ) { select_tuner( bktr, PHILIPS_NTSC ); goto checkDBX; } /* Address 0xc2/0xc3 is default (or common address) for several */ /* tuners and we cannot tell which is which. */ /* And for all other tuner i2c addresses, select the default */ select_tuner( bktr, DEFAULT_TUNER ); checkDBX: #if defined( OVERRIDE_DBX ) bktr->card.dbx = OVERRIDE_DBX; goto checkMSP; #endif /* Check for i2c devices */ if (!any_i2c_devices) { goto checkMSP; } /* probe for BTSC (dbx) chip */ if ( i2cRead( bktr, TDA9850_RADDR ) != ABSENT ) bktr->card.dbx = 1; checkMSP: /* If this is a Hauppauge Bt878 card, we need to enable the * MSP 34xx audio chip. * If this is a Hauppauge Bt848 card, reset the MSP device. * The MSP reset line is wired to GPIO pin 5. On Bt878 cards a pulldown * resistor holds the device in reset until we set GPIO pin 5. */ /* Optionally skip the MSP reset. This is handy if you initialise the * MSP audio in another operating system (eg Windows) first and then * do a soft reboot. */ #ifndef BKTR_NO_MSP_RESET if (card == CARD_HAUPPAUGE) { bt848->gpio_out_en = bt848->gpio_out_en | (1<<5); bt848->gpio_data = bt848->gpio_data | (1<<5); /* write '1' */ DELAY(2500); /* wait 2.5ms */ bt848->gpio_data = bt848->gpio_data & ~(1<<5); /* write '0' */ DELAY(2500); /* wait 2.5ms */ bt848->gpio_data = bt848->gpio_data | (1<<5); /* write '1' */ DELAY(2500); /* wait 2.5ms */ } #endif #if defined( OVERRIDE_MSP ) bktr->card.msp3400c = OVERRIDE_MSP; goto checkMSPEnd; #endif /* Check for i2c devices */ if (!any_i2c_devices) { goto checkMSPEnd; } if ( i2cRead( bktr, MSP3400C_RADDR ) != ABSENT ) { bktr->card.msp3400c = 1; } checkMSPEnd: if (bktr->card.msp3400c) { bktr->msp_addr = MSP3400C_WADDR; msp_read_id( bktr ); printf("bktr%d: Detected a MSP%s at 0x%x\n", unit, bktr->msp_version_string, bktr->msp_addr); } /* Start of Check Remote */ /* Check for the Hauppauge IR Remote Control */ /* If there is an external unit, the internal will be ignored */ bktr->remote_control = 0; /* initial value */ if (any_i2c_devices) { if (i2cRead( bktr, HAUP_REMOTE_EXT_RADDR ) != ABSENT ) { bktr->remote_control = 1; bktr->remote_control_addr = HAUP_REMOTE_EXT_RADDR; } else if (i2cRead( bktr, HAUP_REMOTE_INT_RADDR ) != ABSENT ) { bktr->remote_control = 1; bktr->remote_control_addr = HAUP_REMOTE_INT_RADDR; } } /* If a remote control is found, poll it 5 times to turn off the LED */ if (bktr->remote_control) { int i; for (i=0; i<5; i++) i2cRead( bktr, bktr->remote_control_addr ); } /* End of Check Remote */ #if defined( BKTR_USE_PLL ) bktr->xtal_pll_mode = BT848_USE_PLL; goto checkPLLEnd; #endif /* Default is to use XTALS and not PLL mode */ bktr->xtal_pll_mode = BT848_USE_XTALS; /* Enable PLL mode for OSPREY users */ if (card == CARD_OSPREY) bktr->xtal_pll_mode = BT848_USE_PLL; /* Enable PLL mode for Video Highway Xtreme users */ if (card == CARD_VIDEO_HIGHWAY_XTREME) bktr->xtal_pll_mode = BT848_USE_PLL; /* Most (perhaps all) Bt878 cards need to be switched to PLL mode */ /* as they only fit the NTSC crystal to their cards */ /* Enable PLL mode for PAL/SECAM users on Hauppauge 878 cards */ if ((card == CARD_HAUPPAUGE) && (bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879) ) bktr->xtal_pll_mode = BT848_USE_PLL; /* Enable PLL mode for PAL/SECAM users on FlyVideo 878 cards */ if ((card == CARD_FLYVIDEO) && (bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879) ) bktr->xtal_pll_mode = BT848_USE_PLL; /* Enable PLL mode for Askey Dynalink users */ if ((card == CARD_ASKEY_DYNALINK_MAGIC_TVIEW) && (bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879) ) bktr->xtal_pll_mode = BT848_USE_PLL; /* Enable PLL mode for Leadtek users */ if ((card == CARD_LEADTEK) && (bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879) ) bktr->xtal_pll_mode = BT848_USE_PLL; #if defined( BKTR_USE_PLL ) checkPLLEnd: #endif bktr->card.tuner_pllAddr = tuner_i2c_address; if ( verbose ) { printf( "%s", bktr->card.name ); if ( bktr->card.tuner ) printf( ", %s tuner", bktr->card.tuner->name ); if ( bktr->card.dbx ) printf( ", dbx stereo" ); if ( bktr->card.msp3400c ) printf( ", msp3400c stereo" ); if ( bktr->remote_control ) printf( ", remote control" ); printf( ".\n" ); } } #undef ABSENT