code: purgatorio

ref: 71292834bbafcf6bc409cfd7691f9e6650df025b
dir: /os/pc/pci.acid/

// ACID PCI support

pciclassdb = { 
	{0x0000, "Unclassified device", {
		{0x0000,"Non-VGA unclassified device"},
		{0x0001,"VGA compatible unclassified device"},
	}},
	{0x0001, "Mass storage controller", {
		{0x0000,"SCSI storage controller"},
		{0x0001,"IDE interface"},
		{0x0002,"Floppy disk controller"},
		{0x0003,"IPI bus controller"},
		{0x0004,"RAID bus controller"},
		{0x0080,"Unknown mass storage controller"},
	}},
	{0x0002, "Network controller", {
		{0x0000,"Ethernet controller"},
		{0x0001,"Token ring network controller"},
		{0x0002,"FDDI network controller"},
		{0x0003,"ATM network controller"},
		{0x0080,"Network controller"},
	}},
	{0x0003, "Display controller", {
		{0x0000,"VGA compatible controller"},
		{0x0001,"XGA compatible controller"},
		{0x0080,"Display controller"},
	}},
	{0x0004, "Multimedia controller", {
		{0x0000,"Multimedia video controller"},
		{0x0001,"Multimedia audio controller"},
		{0x0080,"Multimedia controller"},
	}},
	{0x0005, "Memory controller", {
		{0x0000,"RAM memory"},
		{0x0001,"FLASH memory"},
		{0x0080,"Memory"},
	}},
	{0x0006, "Bridge", {
		{0x0000,"Host bridge"},
		{0x0001,"ISA bridge"},
		{0x0002,"EISA bridge"},
		{0x0003,"MicroChannel bridge"},
		{0x0004,"PCI bridge"},
		{0x0005,"PCMCIA bridge"},
		{0x0006,"NuBus bridge"},
		{0x0007,"CardBus bridge"},
		{0x0080,"Bridge"},
	}},
	{0x0007, "Communication controller", {
		{0x0000,"Serial controller"},
		{0x0001,"Parallel controller"},
		{0x0080,"Communication controller"},
	}},
	{0x0008, "Generic system peripheral", {
		{0x0000,"PIC"},
		{0x0001,"DMA controller"},
		{0x0002,"Timer"},
		{0x0003,"RTC"},
		{0x0080,"System peripheral"},
	}},
	{0x0009, "Input device controller", {
		{0x0000,"Keyboard controller"},
		{0x0001,"Digitizer Pen"},
		{0x0002,"Mouse controller"},
		{0x0080,"Input device controller"},
	}},
	{0x000A, "Docking station", {
		{0x0000,"Generic Docking Station"},
		{0x0080,"Docking Station"},
	}},
	{0x000B, "Processor", {
		{0x0000,"386"},
		{0x0001,"486"},
		{0x0002,"Pentium"},
		{0x0010,"Alpha"},
		{0x0020,"Power PC"},
		{0x0040,"Co-processor"},
	}},
	{0x000C, "Serial bus controller", {
		{0x0000,"FireWire (IEEE 1394)"},
		{0x0001,"ACCESS Bus"},
		{0x0002,"SSA"},
		{0x0003,"USB Controller"},
		{0x0004,"Fiber Channel"},
	}},
};

//
// Include the vendor and device id database
//

include( "pcidb.acid" );

defn test(thingy)
{
	return thingy;
}

defn BUSFNO(tbdf)
{
	return (((tbdf\X)>>8)&0x07);
}

defn BUSDNO(tbdf)
{
	return (((tbdf\X)>>11)&0x1F);
}

defn BUSBNO(tbdf)
{
	return (((tbdf\X)>>16)&0xFF);
}

defn lookup( key, dictionary )
{
	local d, e;

	d = dictionary;
	while(d != {}) do {
		e = head d;
		if e[0] == key then 
			return e;
		d = tail d;
	}
	return {};
}

defn pciclass( ccru )
{
	local c, sc;
	local class, subclass;
	c = ccru >> 8;
	sc = ccru & 0xff;

	class = lookup( c, pciclassdb );
	subclass = lookup( sc, class[2] );

	if (subclass != {}) then {
		print(" ",subclass[1]);
		return 1;
	}
	if (class != {}) then {
		print(" ",class[1]);
		return 1;
	}

 	print(" type=",ccru\x);
	return 0;
}

defn pcivendor( vid )
{
	local v;
	v = lookup( vid, pcivendordb );
	if (v != {}) then {
		print(" ",v[1]);
	} else {
		print(" VendorID=",vid\x,":");
	}
}

defn pcidev( vid, did )
{
	local v;
	local d;
	v = lookup( vid, pcivendordb );
	if (v != {}) then {
		d = lookup( did, v[2] );
		if (d != {}) then {
			print(" ",d[1]);
			return 1;
		}
	}
	print(" DeviceID=",did\x);
	return 0;
}

//
// Dump PCI Info (short form)
//

defn pciinfo( r ) 
{
	local t;
	local pcicount;
	t = r;
	pcicount = 0\d;
	while t != 0 do {
		print(pcicount\d,":","Bus:",BUSBNO(t.tbdf)\u," dev:",BUSDNO(t.tbdf)\u," fn:",BUSFNO(t.tbdf)\u,":");
		pciclass(t.ccru);
		print(":");
		pcivendor(t.vid);
		pcidev(t.vid, t.did);
		print("\n");
		pcicount = pcicount+1 ;
		t = t.link;
	}
	t = r;
	while t!= 0 do {
		if (t.bridge !=0) then
			pciinfo(t.bridge);
		t = t.link;
	}
}

defn lspci()
{
	pciinfo( *pciroot );
}

//
// Dump PCI Info (long form - includes interrupt lines & memory segments)
//

defn pcidumper( r )
{
	local t;
	local m;
	t = r;
	while t != 0 do {
		print("Bus\t",BUSBNO(t.tbdf)\u);
		print(", device\t",BUSDNO(t.tbdf)\u);
		print(", function\t",BUSFNO(t.tbdf)\u,":\n");
		print("  ");
		pciclass(t.ccru);
		print(":");
		pcivendor(t.vid);
		pcidev(t.vid, t.did);
		print("\n");
		print("   Interrupt Line: ",t.intl\u,"\n");
		m =0\d;
		loop 0,5 do {
			if t.mem[m] != 0 then
				print("\t",(m/2)\d,":",t.mem[m]\X," ",t.mem[m+1]\X,"\n");
			m = m + 2;
		}
		t = t.link;
	}
	t = r;
	while t!= 0 do {
		if (t.bridge !=0) then
			pcidumper(t.bridge);
		t = t.link;
	}
}

defn pcidump()
{
	pcidumper( *pciroot );
}

print("/os/pc/pci");