bttv-cards.c

一个2.4.21版本的嵌入式linux内核

		GPIO2:     HEF4052 nENABLE
		GPIO3-7:   n.c.
		GPIO8-13:  IRDC357 data0-5 (data6 n.c. ?) [chip not present on my card]
		GPIO14,15: ??
		GPIO16-21: n.c.
		GPIO22,23: ??
		??       : mtu8b56ep microcontroller for IR (GPIO wiring unknown)*/
},{
        /* Arthur Tetzlaff-Deas, DSP Design Ltd <[e-mail]> */
        .name           = "DSP Design TCVIDEO",
        .video_inputs   = 4,
        .svhs           = -1,
        .muxsel         = { 2, 3, 1, 0},
        .pll            = PLL_28,
        .tuner_type     = -1,
},{

        /* ---- card 0x50 ---------------------------------- */
	.name           = "Hauppauge WinTV PVR",
        .video_inputs   = 4,
        .audio_inputs   = 1,
        .tuner          = 0,
        .svhs           = 2,
        .muxsel         = { 2, 0, 1, 1},
        .needs_tvaudio  = 1,
        .pll            = PLL_28,
        .tuner_type     = -1,

	.gpiomask       = 7,
	.audiomux       = {7},
},{
	.name           = "GV-BCTV5/PCI",
	.video_inputs   = 3,
	.audio_inputs   = 1,
	.tuner          = 0,
	.svhs           = 2,
	.gpiomask       = 0x010f00,
	.muxsel         = {2, 3, 1, 0},
	.audiomux       = {0x10000, 0, 0x10000, 0, 0, 0},
	.no_msp34xx     = 1,
	.pll            = PLL_28,
	.tuner_type     = TUNER_PHILIPS_NTSC_M,
	.audio_hook     = gvbctv3pci_audio,
},{
	.name           = "Osprey 100/150 (878)", /* 0x1(2|3)-45C6-C1 */
	.video_inputs   = 4,                  /* id-inputs-clock */
	.audio_inputs   = 0,
	.tuner          = -1,
	.svhs           = 3,
	.muxsel         = { 3, 2, 0, 1 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
	.name           = "Osprey 100/150 (848)", /* 0x04-54C0-C1 & older boards */
	.video_inputs   = 3,
	.audio_inputs   = 0,
	.tuner          = -1,
	.svhs           = 2,
	.muxsel         = { 2, 3, 1 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{

	/* ---- card 0x54 ---------------------------------- */
	.name           = "Osprey 101 (848)", /* 0x05-40C0-C1 */
	.video_inputs   = 2,
	.audio_inputs   = 0,
	.tuner          = -1,
	.svhs           = 1,
	.muxsel         = { 3, 1 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
	.name           = "Osprey 101/151",       /* 0x1(4|5)-0004-C4 */
	.video_inputs   = 1,
	.audio_inputs   = 0,
	.tuner          = -1,
	.svhs           = -1,
	.muxsel         = { 0 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
	.name           = "Osprey 101/151 w/ svid",  /* 0x(16|17|20)-00C4-C1 */
	.video_inputs   = 2,
	.audio_inputs   = 0,
	.tuner          = -1,
	.svhs           = 1,
	.muxsel         = { 0, 1 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
	.name           = "Osprey 200/201/250/251",  /* 0x1(8|9|E|F)-0004-C4 */
	.video_inputs   = 1,
	.audio_inputs   = 1,
	.tuner          = -1,
	.svhs           = -1,
	.muxsel         = { 0 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
	
	/* ---- card 0x58 ---------------------------------- */
	.name           = "Osprey 200/250",   /* 0x1(A|B)-00C4-C1 */
	.video_inputs   = 2,
	.audio_inputs   = 1,
	.tuner          = -1,
	.svhs           = 1,
	.muxsel         = { 0, 1 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
	.name           = "Osprey 210/220",   /* 0x1(A|B)-04C0-C1 */
	.video_inputs   = 2,
	.audio_inputs   = 1,
	.tuner          = -1,
	.svhs           = 1,
	.muxsel         = { 2, 3 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
	.name           = "Osprey 500",   /* 500 */
	.video_inputs   = 2,
	.audio_inputs   = 1,
	.tuner          = -1,
	.svhs           = 1,
	.muxsel         = { 2, 3 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
},{
       .name           = "Osprey 540",   /* 540 */
       .video_inputs   = 4,
       .audio_inputs   = 1,
       .tuner          = -1,
#if 0 /* TODO ... */
       .svhs           = OSPREY540_SVID_ANALOG,
       .muxsel         = {       [OSPREY540_COMP_ANALOG] = 2,
                               [OSPREY540_SVID_ANALOG] = 3, },
#endif
       .pll            = PLL_28,
       .tuner_type     = -1,
       .no_msp34xx     = 1,
       .no_tda9875     = 1,
       .no_tda7432     = 1,
#if 0 /* TODO ... */
       .muxsel_hook    = osprey_540_muxsel,
       .picture_hook   = osprey_540_set_picture,
#endif
},{

	/* ---- card 0x5C ---------------------------------- */
	.name           = "Osprey 2000",  /* 2000 */
	.video_inputs   = 2,
	.audio_inputs   = 1,
	.tuner          = -1,
	.svhs           = 1,
	.muxsel         = { 2, 3 },
	.pll            = PLL_28,
	.tuner_type     = -1,
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,      /* must avoid, conflicts with the bt860 */
},{
	/* M G Berberich <[e-mail]> */
	.name           = "IDS Eagle",
	.video_inputs   = 4,
	.audio_inputs   = 0,
	.tuner          = -1,
	.tuner_type     = -1,
	.svhs           = -1,
	.gpiomask       = 0,
	.muxsel         = { 0, 1, 2, 3 },
	.muxsel_hook    = eagle_muxsel,
	.no_msp34xx     = 1,
	.no_tda9875     = 1,
	.pll            = PLL_28,
},{
	.name           = "Pinnacle PCTV Sat",
	.video_inputs   = 2,
	.audio_inputs   = 0,
	.svhs           = 1,
	.tuner          = -1,
	.tuner_type     = -1,
	.no_msp34xx     = 1,
	.no_tda9875     = 1,
	.no_tda7432     = 1,   
	.muxsel         = { 3, 0, 1, 2},
	.needs_tvaudio  = 0, 
	.pll            = PLL_28,
},{
        .name           = "Formac ProTV II",
        .video_inputs   = 4,
        .audio_inputs   = 1,
        .tuner          = 0,
        .svhs           = 3,
        .gpiomask       = 2,
	// TV, Comp1, Composite over SVID con, SVID
        .muxsel         = { 2, 3, 1, 1},
        .audiomux       = { 2, 2, 0, 0, 0 }, 
        .pll            = PLL_28,
	.has_radio      = 1,
        .tuner_type     = TUNER_PHILIPS_PAL,
      /* sound routing:
           GPIO=0x00,0x01,0x03: mute (?)
              0x02: both TV and radio (tuner: FM1216/I)
         The card has onboard audio connectors labeled "cdrom" and "board",
	 not soldered here, though unknown wiring.
         Card lacks: external audio in, pci subsystem id.
       */

},{
	/* ---- card 0x60 ---------------------------------- */
	.name           = "MachTV",
        .video_inputs   = 3,
        .audio_inputs   = 1,
        .tuner          = 0,
        .svhs           = -1,
        .gpiomask       = 7,
        .muxsel         = { 2, 3, 1, 1},
        .audiomux       = { 0, 1, 2, 3, 4},
        .needs_tvaudio  = 1,
        .tuner_type     = 5,
	.pll            = 1,
},{
	.name           = "Euresys Picolo",
	.video_inputs   = 3,
	.audio_inputs   = 0,
	.tuner          = -1,
	.svhs           = 2,
	.gpiomask       = 0,
	.no_msp34xx     = 1,
	.no_tda9875     = 1,
	.no_tda7432     = 1,
	.muxsel         = { 2, 0, 1},
	.pll            = PLL_28,
},{
	/* Luc Van Hoeylandt <[e-mail]> */
	.name           = "ProVideo PV150", /* 0x4f */
	.video_inputs   = 2,
	.audio_inputs   = 0,
	.tuner          = -1,
	.svhs           = -1,
	.gpiomask       = 0,
	.muxsel         = { 2, 3 },
	.audiomux       = { 0 },
	.needs_tvaudio  = 0,
	.no_msp34xx     = 1,
	.pll            = PLL_28,
	.tuner_type     = -1,
},{
	/* Hiroshi Takekawa <[e-mail]> */
	/* This card lacks subsystem ID */
	.name           = "AD-TVK503", /* 0x63 */
	.video_inputs   = 4,
	.audio_inputs   = 1,
	.tuner          = 0,
	.svhs           = 2,
	.gpiomask       = 0x001e8007,
	.muxsel         = { 2, 3, 1, 0 },
                         /* Tuner,      Radio, external, internal, mute, stereo */
	.audiomux       = { 0x00060000, 0x000, 0x000000, 0x000000, 0x07, 0x0000 }, /* Sub: 0x00180000 */
	.needs_tvaudio  = 0,
	.no_msp34xx     = 1,
	.pll            = PLL_28,
	.tuner_type     = 2,
	.audio_hook	= adtvk503_audio,
}};

const unsigned int bttv_num_tvcards =
	(sizeof(bttv_tvcards)/sizeof(bttv_tvcards[0]));

/* ----------------------------------------------------------------------- */

static unsigned char eeprom_data[256];

/*
 * identify card
 */
void __devinit bttv_idcard(struct bttv *btv)
{
	unsigned int gpiobits;
	int i,type;
	unsigned short tmp;

	/* read PCI subsystem ID */
	pci_read_config_word(btv->dev, PCI_SUBSYSTEM_ID, &tmp);
	btv->cardid = tmp << 16;
	pci_read_config_word(btv->dev, PCI_SUBSYSTEM_VENDOR_ID, &tmp);
	btv->cardid |= tmp;

	if (0 != btv->cardid && 0xffffffff != btv->cardid) {
		/* look for the card */
		for (type = -1, i = 0; cards[i].id != 0; i++)
			if (cards[i].id  == btv->cardid)
				type = i;
		
		if (type != -1) {
			/* found it */
			printk(KERN_INFO "bttv%d: detected: %s [card=%d], "
			       "PCI subsystem ID is %04x:%04x\n",
			       btv->nr,cards[type].name,cards[type].cardnr,
			       btv->cardid & 0xffff, btv->cardid >> 16);
			btv->type = cards[type].cardnr;
		} else {
			/* 404 */
			printk(KERN_INFO "bttv%d: subsystem: %04x:%04x (UNKNOWN)\n",
			       btv->nr, btv->cardid&0xffff, btv->cardid>>16);
			printk(KERN_DEBUG "please mail id, board name and "
			       "the correct card= insmod option to [e-mail]\n");
		}
	} 

	/* let the user override the autodetected type */
	if (card[btv->nr] < bttv_num_tvcards)
		btv->type=card[btv->nr];
	
	/* print which card config we are using */
	sprintf(btv->video_dev.name,"BT%d%s(%.23s)",
		btv->id,
		(btv->id==848 && btv->revision==0x12) ? "A" : "",
		bttv_tvcards[btv->type].name);
	printk(KERN_INFO "bttv%d: using: %s [card=%d,%s]\n",btv->nr,
	       btv->video_dev.name,btv->type,
	       card[btv->nr] < bttv_num_tvcards
	       ? "insmod option" : "autodetected");

	/* overwrite gpio stuff ?? */
	if (UNSET == audioall && UNSET == audiomux[0])
		return;

	if (UNSET != audiomux[0]) {
		gpiobits = 0;
		for (i = 0; i < 5; i++) {
			bttv_tvcards[btv->type].audiomux[i] = audiomux[i];
			gpiobits |= audiomux[i];
		}
	} else {
		gpiobits = audioall;
		for (i = 0; i < 5; i++) {
			bttv_tvcards[btv->type].audiomux[i] = audioall;
		}
	}
	bttv_tvcards[btv->type].gpiomask = (UNSET != gpiomask) ? gpiomask : gpiobits;
	printk(KERN_INFO "bttv%d: gpio config override: mask=0x%x, mux=",
	       btv->nr,bttv_tvcards[btv->type].gpiomask);
	for (i = 0; i < 5; i++) {
		printk("%s0x%x", i ? "," : "", bttv_tvcards[btv->type].audiomux[i]);
	}
	printk("\n");
}

/*
 * (most) board specific initialisations goes here
 */

/* Some Modular Technology cards have an eeprom, but no subsystem ID */
void identify_by_eeprom(struct bttv *btv, unsigned char eeprom_data[256])
{
	int type = -1;
	
	if (0 == strncmp(eeprom_data,"GET.MM20xPCTV",13))
		type = BTTV_MODTEC_205;
	else if (0 == strncmp(eeprom_data+20,"Picolo",7))
		type = BTTV_EURESYS_PICOLO;
	else if (eeprom_data[0] == 0x84 && eeprom_data[2]== 0)
                type = BTTV_HAUPPAUGE; /* old bt848 */

	if (-1 != type) {
		btv->type = type;
		printk("bttv%d: detected by eeprom: %s [card=%d]\n",
		       btv->nr, bttv_tvcards[btv->type].name, btv->type);
	}
}

static void flyvideo_gpio(struct bttv *btv)
{ 
	int gpio,outbits,has_remote,has_radio,is_capture_only,is_lr90,has_tda9820_tda9821;
	int tuner=-1,ttype;
	
	outbits = btread(BT848_GPIO_OUT_EN);
	btwrite(0x00, BT848_GPIO_OUT_EN);
	udelay(8);  // without this we would see the 0x1800 mask
	gpio=btread(BT848_GPIO_DATA);
	btwrite(outbits, BT848_GPIO_OUT_EN);
	// all cards provide GPIO info, some have an additional eeprom
	// LR50: GPIO coding can be found lower right CP1 .. CP9
	//       CP9=GPIO23 .. CP1=GPIO15; when OPEN, the corresponding GPIO reads 1.
	//       GPIO14-12: n.c.
	// LR90: GP9=GPIO23 .. GP1=GPIO15 (right above the bt878)
	
	// lowest 3 bytes are remote control codes (no handshake needed)
        // xxxFFF: No remote control chip soldered
        // xxxF00(LR26/LR50), xxxFE0(LR90): Remote control chip (LVA001 or CF45) soldered 
	// Note: Some bits are Audio_Mask !

	ttype=(gpio&0x0f0000)>>16;
	switch(ttype) {
	case 0x0: tuner=2; // NTSC, e.g. TPI8NSR11P
		break;
        case 0x2: tuner=39;// LG NTSC (newer TAPC series) TAPC-H701P
		break;
	case 0x4: tuner=5; // Philips PAL TPI8PSB02P, TPI8PSB12P, TPI8PSB12D or FI1216, FM1216
		break;
	case 0x6: tuner=37; // LG PAL (newer TAPC series) TAPC-G702P
		break;
	case 0xC: tuner=3; // Philips SECAM(+PAL) FQ1216ME or FI1216MF
		break;
	default:
		printk(KERN_INFO "bttv%d: FlyVideo_gpio: unknown tuner type.\n", btv->nr);
	}

	has_remote          =   gpio & 0x800000;
	has_radio	    =   gpio & 0x400000;
	//   unknown                   0x200000;
	//   unknown2                  0x100000;
        is_capture_only     = !(gpio & 0x008000); //GPIO15
	has_tda9820_tda9821 = !(gpio & 0x004000);
	is_lr90             = !(gpio & 0x002000); // else LR26/LR50 (LR38/LR51 f. capture only)
        //		        gpio & 0x001000 // output bit for audio routing