1996/1024/port/devaudio.c (diff list | history)

1996/0315/sys/src/9/port/devaudio.c:121,131 – 1996/1024/sys/src/9/port/devaudio.c:121,132 (short | long | prev | next)
1995/0214		int clri8; int clri16; int clri401;
1996/1024		int dma;
1995/0214		} blaster;
1995/0119		static void swab(uchar*);
1995/0214		static char Emajor[] = "SoundBlaster version too old";
1996/1024		static char Emajor[] = "soundblaster not responding/wrong version";
1995/0119		static char Emode[] = "illegal open mode"; static char Evolume[] = "illegal volume specifier";
1996/0315/sys/src/9/port/devaudio.c:334,344 – 1996/1024/sys/src/9/port/devaudio.c:335,345
1995/0119		if(b == 0) goto shutdown;
1995/0214		dmasetup(Dma, b->virt, Bufsize, audio.amode == Aread);
1996/1024		dmasetup(blaster.dma, b->virt, Bufsize, audio.amode == Aread);
1995/0119		return; shutdown:
1995/0214		dmaend(Dma);
1996/1024		dmaend(blaster.dma);
1995/0119		sbcmd(0xd9); /* exit at end of count */ sbcmd(0xd5); /* pause */ audio.curcount = 0;
1996/0315/sys/src/9/port/devaudio.c:356,362 – 1996/1024/sys/src/9/port/devaudio.c:357,363
1995/0221		int speed;
1995/0119
1995/0214		ilock(&blaster); dmaend(Dma);
1996/1024		dmaend(blaster.dma);
1995/0221		if(audio.amode == Aread) {
1995/0119		sbcmd(0x42); /* input sampling rate */
1995/0221		speed = audio.livol[Vspeed];
1996/0315/sys/src/9/port/devaudio.c:511,516 – 1996/1024/sys/src/9/port/devaudio.c:512,518
1995/0119		int i;
1995/0214		sbconf.port = 0x220;
1996/1024		sbconf.dma = 5;
1995/0214		sbconf.irq = 7; if(isaconfig("audio", 0, &sbconf) == 0) return;
1996/0315/sys/src/9/port/devaudio.c:523,529 – 1996/1024/sys/src/9/port/devaudio.c:525,531
1995/0214		case 0x280: break; default: print("bad sb16 port 0x%x\n", sbconf.port);
1996/1024		print("devaudio: bad sb16 port 0x%x\n", sbconf.port);
1995/0214		return; } switch(sbconf.irq){
1996/0315/sys/src/9/port/devaudio.c:533,542 – 1996/1024/sys/src/9/port/devaudio.c:535,546
1995/0214		case 10: break; default: print("bad sb16 irq %d\n", sbconf.irq);
1996/1024		print("devaudio: bad sb16 irq %d\n", sbconf.irq);
1995/0214		return; }
1996/1024		blaster.dma = sbconf.dma;
1995/0214		blaster.reset = sbconf.port + 0x6; blaster.read = sbconf.port + 0xa; blaster.write = sbconf.port + 0xc;
1996/0315/sys/src/9/port/devaudio.c:548,554 – 1996/1024/sys/src/9/port/devaudio.c:552,558
1995/0214		blaster.clri16 = sbconf.port + 0xf; blaster.clri401 = sbconf.port + 0x100;
1995/0119		seteisadma(Dma, audiodmaintr);
1996/1024		seteisadma(blaster.dma, audiodmaintr);
1995/0214		setvec(Int0vec+sbconf.irq, pcaudiosbintr, 0);
1995/0119
1995/0214		audio.amode = Aclosed;
1996/0315/sys/src/9/port/devaudio.c:570,576 – 1996/1024/sys/src/9/port/devaudio.c:574,580
1995/0119		audio.minor = sbread(); if(audio.major != 4) { print("bad soundblaster model #%.2x #.2x\n", audio.major, audio.minor);
1996/1024		print("bad soundblaster model #%.2x #%.2x; not SB 16\n", audio.major, audio.minor);
1995/0119		return; } /*
1996/0315/sys/src/9/port/devaudio.c:588,594 – 1996/1024/sys/src/9/port/devaudio.c:592,598
1995/0214		(sbconf.irq==7)? 4: (sbconf.irq==10)? 8:
1995/0119		0); mxcmd(0x81, 1<<Dma); /* dma */
1996/1024		mxcmd(0x81, 1<<blaster.dma); /* dma */
1995/0119		} Chan*