bttv-cards.c

这是一个市场上常见电视卡的驱动程序源代码

	.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, off,  on */
	.audiomux       = { 0x08,  0x0f,  0x0a,     0x08,     0x0f, 0x08 },
	.needs_tvaudio  = 0,
	.no_msp34xx     = 1,
	.pll            = PLL_28,
	.tuner_type     = 2,
	.audio_hook	= adtvk503_audio,
},{

	/* ---- card 0x64 ---------------------------------- */
        .name           = "Hercules Smart TV Stereo",
        .video_inputs   = 4,
        .audio_inputs   = 1,
        .tuner          = 0,
        .svhs           = 2,
        .gpiomask       = 0x00,
        .muxsel         = { 2, 3, 1, 1 },
        .needs_tvaudio  = 1,
        .no_msp34xx     = 1,
        .pll            = PLL_28,
        .tuner_type     = 5,
	/* Notes:
	   - card lacks subsystem ID
	   - stereo variant w/ daughter board with tda9874a @0xb0
	   - Audio Routing: 
		always from tda9874 independent of GPIO (?)
		external line in: unknown
	   - Other chips: em78p156elp @ 0x96 (probably IR remote control)
	              hef4053 (instead 4052) for unknown function
	*/
},{
        .name           = "Pace TV & Radio Card",
        .video_inputs   = 4,
        .audio_inputs   = 1,
        .tuner          = 0,
        .svhs           = 2,
        .muxsel         = { 2, 3, 1, 1}, // Tuner, CVid, SVid, CVid over SVid connector
        .gpiomask       = 0,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
        .tuner_type     = 1,
        .has_radio      = 1,
        .pll            = PLL_28,
        /* Bt878, Bt832, FI1246 tuner; no pci subsystem id
           only internal line out: (4pin header) RGGL
           Radio must be decoded by msp3410d (not routed through)*/
        //         .digital_mode   = DIGITAL_MODE_CAMERA, // todo!
},{
        /* Chris Willing <[e-mail]> */
        .name           = "IVC-200",
        .video_inputs   = 1,
        .audio_inputs   = 0,
        .tuner          = -1,
        .tuner_type     = -1,
        .svhs           = -1,
        .gpiomask       = 0xdf,
        .muxsel         = { 2 },
        .pll            = PLL_28,
},{
	.name           = "Grand X-Guard / Trust 814PCI",
	.video_inputs   = 16,
        .audio_inputs   = 0,
        .tuner          = -1,
        .svhs           = -1,
	.tuner_type     = 4,
        .gpiomask2      = 0xff,
	.muxsel         = { 2,2,2,2, 3,3,3,3, 1,1,1,1, 0,0,0,0 },
	.muxsel_hook    = xguard_muxsel,
	.no_msp34xx     = 1,
	.no_tda9875     = 1,
        .no_tda7432     = 1,
	.pll            = PLL_28,
},{

	/* ---- card 0x68 ---------------------------------- */
	.name           = "Nebula Electronics DigiTV",
	.svhs           = -1,
	.muxsel         = { 2, 3, 1, 0},
	.no_msp34xx     = 1,
	.no_tda9875     = 1,
	.no_tda7432     = 1,
	.pll            = PLL_28,
	.tuner_type     = -1,
	.has_dvb        = 1,
	.no_gpioirq     = 1,
},{
	/* Jorge Boncompte - DTI2 <[e-mail]> */
	.name           = "ProVideo PV143",
        .video_inputs   = 4,
        .audio_inputs   = 0,
        .tuner          = -1,
        .svhs           = -1,
        .gpiomask       = 0,
        .muxsel         = { 2, 3, 1, 0 },
        .audiomux       = { 0 },
        .needs_tvaudio  = 0,
        .no_msp34xx     = 1,
        .pll            = PLL_28,
        .tuner_type     = -1,
},{
	/* [e-mail] */
	.name           = "PHYTEC VD-009-X1 MiniDIN (bt878)",
	.video_inputs   = 4,
	.audio_inputs   = 0,
	.tuner          = -1, /* card has no tuner */
	.svhs           = 3,
	.gpiomask       = 0x00, 
	.muxsel         = { 2, 3, 1, 0},
	.audiomux       = { 0, 0, 0, 0, 0, 0 }, /* card has no audio */
	.needs_tvaudio  = 1,
	.pll            = PLL_28,
	.tuner_type     = -1,
},{
	.name           = "PHYTEC VD-009-X1 Combi (bt878)",
	.video_inputs   = 4,
	.audio_inputs   = 0,
	.tuner          = -1, /* card has no tuner */
	.svhs           = 3,
	.gpiomask       = 0x00,
	.muxsel         = { 2, 3, 1, 1},
	.audiomux       = { 0, 0, 0, 0, 0, 0 }, /* card has no audio */
	.needs_tvaudio  = 1,
	.pll            = PLL_28,
	.tuner_type     = -1,
},{

	/* ---- card 0x6c ---------------------------------- */
	.name           = "PHYTEC VD-009 MiniDIN (bt878)",
	.video_inputs   = 10,
	.audio_inputs   = 0,
	.tuner          = -1, /* card has no tuner */
	.svhs           = 9,
	.gpiomask       = 0x00,
	.gpiomask2      = 0x03, /* gpiomask2 defines the bits used to switch audio
				   via the upper nibble of muxsel. here: used for
				   xternal video-mux */
	.muxsel         = { 0x02, 0x12, 0x22, 0x32, 0x03, 0x13, 0x23, 0x33, 0x01, 0x00 },
	.audiomux       = { 0, 0, 0, 0, 0, 0 }, /* card has no audio */
	.needs_tvaudio  = 1,
	.pll            = PLL_28,
	.tuner_type     = -1,
},{
	.name           = "PHYTEC VD-009 Combi (bt878)",
	.video_inputs   = 10,
	.audio_inputs   = 0,
	.tuner          = -1, /* card has no tuner */
	.svhs           = 9,
	.gpiomask       = 0x00,
	.gpiomask2      = 0x03, /* gpiomask2 defines the bits used to switch audio
				   via the upper nibble of muxsel. here: used for
				   xternal video-mux */
	.muxsel         = { 0x02, 0x12, 0x22, 0x32, 0x03, 0x13, 0x23, 0x33, 0x01, 0x01 },
	.audiomux       = { 0, 0, 0, 0, 0, 0 }, /* card has no audio */
	.needs_tvaudio  = 1,
	.pll            = PLL_28,
	.tuner_type     = -1,
},{
        .name           = "IVC-100",
        .video_inputs   = 4,
        .audio_inputs   = 0,
        .tuner          = -1,
        .tuner_type     = -1,
        .svhs           = -1,
        .gpiomask       = 0xdf,
        .muxsel         = { 2, 3, 1, 0 },
        .pll            = PLL_28,
},{
	/* IVC-120G - Alan Garfield <[e-mail]> */
	.name           = "IVC-120G",
	.video_inputs   = 16,
	.audio_inputs   = 0,    /* card has no audio */
	.tuner          = -1,   /* card has no tuner */
	.tuner_type     = -1,
	.svhs           = -1,   /* card has no svhs */
	.needs_tvaudio  = 0,
	.no_msp34xx     = 1,
	.no_tda9875     = 1,
	.no_tda7432     = 1,
	.gpiomask       = 0x00,
	.muxsel         = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 
			    0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10 },
	.muxsel_hook    = ivc120_muxsel,
	.pll            = PLL_28,
},{

	/* ---- card 0x70 ---------------------------------- */
	.name           = "pcHDTV HD-2000 TV",
	.video_inputs   = 4,
	.audio_inputs   = 1,
	.tuner          = 0,
	.svhs           = 2,
	.muxsel         = { 2, 3, 1, 0},
	.tuner_type     = TUNER_PHILIPS_ATSC,
},{
	.name           = "Twinhan DST + clones",
	.no_msp34xx     = 1,
	.no_tda9875     = 1,
	.no_tda7432     = 1,
	.tuner_type     = TUNER_ABSENT,
	.no_video       = 1,
	.has_dvb        = 1,
},{
        .name           = "Winfast VC100",
	.video_inputs   = 3,
	.audio_inputs   = 0,
	.svhs           = 1,
	.tuner          = -1, // no tuner
	.muxsel         = { 3, 1, 1, 3}, // Vid In, SVid In, Vid over SVid in connector
        .no_msp34xx     = 1,
        .no_tda9875     = 1,
        .no_tda7432     = 1,
        .tuner_type     = TUNER_ABSENT,
        .no_video       = 1,
	.pll            = PLL_28,
},{
	.name           = "Teppro TEV-560/InterVision IV-560",
	.video_inputs   = 3,
	.audio_inputs   = 1,
	.tuner          = 0,
	.svhs           = 2,
	.gpiomask       = 3,
	.muxsel         = { 2, 3, 1, 1},
	.audiomux       = { 1, 1, 1, 1, 0},
	.needs_tvaudio  = 1,
	.tuner_type     = TUNER_PHILIPS_PAL,
	.pll            = PLL_35,
}};

const unsigned int bttv_num_tvcards = ARRAY_SIZE(bttv_tvcards);

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

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->c.pci, PCI_SUBSYSTEM_ID, &tmp);
	btv->cardid = tmp << 16;
	pci_read_config_word(btv->c.pci, 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->c.nr,cards[type].name,cards[type].cardnr,
			       btv->cardid & 0xffff,
			       (btv->cardid >> 16) & 0xffff);
			btv->c.type = cards[type].cardnr;
		} else {
			/* 404 */
			printk(KERN_INFO "bttv%d: subsystem: %04x:%04x (UNKNOWN)\n",
			       btv->c.nr, btv->cardid & 0xffff,
			       (btv->cardid >> 16) & 0xffff);
			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->c.nr] < bttv_num_tvcards)
		btv->c.type=card[btv->c.nr];
	
	/* print which card config we are using */
	printk(KERN_INFO "bttv%d: using: %s [card=%d,%s]\n",btv->c.nr,
	       bttv_tvcards[btv->c.type].name, btv->c.type,
	       card[btv->c.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->c.type].audiomux[i] = audiomux[i];
			gpiobits |= audiomux[i];
		}
	} else {
		gpiobits = audioall;
		for (i = 0; i < 5; i++) {
			bttv_tvcards[btv->c.type].audiomux[i] = audioall;
		}
	}
	bttv_tvcards[btv->c.type].gpiomask = (UNSET != gpiomask) ? gpiomask : gpiobits;
	printk(KERN_INFO "bttv%d: gpio config override: mask=0x%x, mux=",
	       btv->c.nr,bttv_tvcards[btv->c.type].gpiomask);
	for (i = 0; i < 5; i++) {
		printk("%s0x%x", i ? "," : "", bttv_tvcards[btv->c.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->c.type = type;
		printk("bttv%d: detected by eeprom: %s [card=%d]\n",
		       btv->c.nr, bttv_tvcards[btv->c.type].name, btv->c.type);
	}
}

static void flyvideo_gpio(struct bttv *btv)
{ 
	int gpio,has_remote,has_radio,is_capture_only,is_lr90,has_tda9820_tda9821;
	int tuner=-1,ttype;

	gpio_inout(0xffffff, 0);
	udelay(8);  // without this we would see the 0x1800 mask
	gpio = gpio_read();
	/* FIXME: must restore OUR_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->c.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

	if(is_capture_only) 
		tuner=4; // No tuner present 

	printk(KERN_INFO "bttv%d: FlyVideo Radio=%s RemoteControl=%s Tuner=%d gpio=0x%06x\n", 
	       btv->c.nr, has_radio? "yes":"no ", has_remote? "yes":"no ", tuner, gpio); 
	printk(KERN_INFO "bttv%d: FlyVideo  LR90=%s tda9821/tda9820=%s capture_only=%s\n",
		btv->c.nr, is_lr90?"yes":"no ", has_tda9820_tda9821?"yes":"no ", 
		is_capture_only?"yes":"no ");

	if(tuner!= -1) // only set if known tuner autodetected, else let insmod option through
		btv->tuner_type = tuner;
	btv->has_radio = has_radio;  

	// LR90 Audio Routing is done by 2 hef4052, so Audio_Mask has 4 bits: 0x001c80
        // LR26/LR50 only has 1 hef4052, Audio_Mask 0x000c00
	// Audio options: from tuner, from tda9821/tda9821(mono,stereo,sap), from tda9874, ext., mute
	if(has_tda9820_tda9821) btv->audio_hook = lt9415_audio;
	//todo: if(has_tda9874) btv->audio_hook = fv2000s_audio;
}

int miro_tunermap[] = { 0,6,2,3,   4,5,6,0,  3,0,4,5,  5,2,16,1,
			14,2,17,1, 4,1,4,3,  1,2,16,1, 4,4,4,4 };
int miro_fmtuner[]  = { 0,0,0,0,   0,0,0,0,  0,0,0,0,  0,0,0,1,
			1,1,1,1,   1,1,1,0,  0,0,0,0,  0,