1993/0915/pc/kbd.c (diff list | history)

1993/0226/sys/src/9/pc/kbd.c:25,30 – 1993/0915/sys/src/9/pc/kbd.c:25,41 (short | long | prev | next)
1991/0702
1991/0730		Cmd= 0x64, /* command port (write only) */
1993/0915		CTdata= 0x0, /* chips & Technologies ps2 data port */ CTstatus= 0x1, /* chips & Technologies ps2 status port */ Enable= 1<<7, Clear= 1<<6, Error= 1<<5, Intenable= 1<<4, Reset= 1<<3, Tready= 1<<2, Rready= 1<<1, Idle= 1<<0,
1991/0703		Spec= 0x80, PF= Spec|0x20, /* num pad function key */
1993/0226/sys/src/9/pc/kbd.c:112,117 – 1993/0915/sys/src/9/pc/kbd.c:123,129
1992/0811		static int keybuttons;
1992/1015		static uchar ccc;
1992/1017		static int shift;
1993/0915		ulong ctport;
1991/0911
1992/0904		enum {
1993/0226/sys/src/9/pc/kbd.c:125,130 – 1993/0915/sys/src/9/pc/kbd.c:137,143
1992/0904		};
1991/0703
1992/1017		static void kbdintr(Ureg*);
1993/0915		static void ctps2intr(Ureg*);
1992/1017		static int ps2mouseputc(IOQ*, int);
1992/1015
1991/0803		/*
1993/0226/sys/src/9/pc/kbd.c:171,177 – 1993/0915/sys/src/9/pc/kbd.c:184,190
1991/0904		c = 0;
1992/1015		tries = 0;
1991/0904		do{
1992/1015		if(tries++ > 5)
1993/0915		if(tries++ > 2)
1992/1015		break; if(outready() < 0)
1992/1016		break;
1993/0226/sys/src/9/pc/kbd.c:227,232 – 1993/0915/sys/src/9/pc/kbd.c:240,246
1992/0902		outready(); }
1993/0915
1992/0902		void
1991/0703		kbdinit(void) {
1993/0226/sys/src/9/pc/kbd.c:279,285 – 1993/0915/sys/src/9/pc/kbd.c:293,347
1992/0904		mousetype = Mouseserial; }
1992/0408
1993/0915		static void nop(void){};
1992/0904		/*
1993/0915		* look for a chips & technologies 82c710 ps2 mouse on a TI travelmate */ static int ct82c710(void) { int c; /* on non-C&T 2fa and 3fa are input only ports */ /* get chips attention */ outb(0x2fa, 0x55); nop(); nop(); outb(0x3fa, ~0x55); nop(); nop(); outb(0x3fa, 0x36); nop(); nop(); /* tell it where its config register should be */ outb(0x3fa, 0x390>>2); nop(); nop(); outb(0x2fa, ~(0x390>>2)); nop(); nop(); /* see if this is really a 710 */ outb(0x390, 0xf); nop(); nop(); if(inb(0x391) != (0x390>>2)) return -1; /* get data port address */ outb(0x390, 0xd); nop(); nop(); c = inb(0x391); if(c == 0 || c == 0xff) return -1; ctport = c<<2; /* turn off config mode */ outb(0x390, 0xf); nop(); nop(); outb(0x391, 0xf); setvec(Mousevec, ctps2intr); /* enable for interrupts */ c = inb(ctport + CTstatus); c &= ~(Clear|Reset); c |= Enable|Intenable; outb(ctport + CTstatus, c); mousetype = MousePS2; return 0; } /*
1992/0904		* set up a ps2 mouse */
1992/1017		static void
1993/0226/sys/src/9/pc/kbd.c:290,295 – 1993/0915/sys/src/9/pc/kbd.c:352,360
1992/1017		if(mousetype) error(Emouseset);
1992/0904
1993/0915		if(ct82c710() == 0) return;
1992/0904		/* enable kbd/mouse xfers and interrupts */
1992/1017		setvec(Mousevec, kbdintr);
1992/1015		x = splhi();
1993/0226/sys/src/9/pc/kbd.c:562,565 – 1993/0915/sys/src/9/pc/kbd.c:627,645
1992/0222		{
1992/0711		USED(ur);
1992/0222		kbdintr0();
1993/0915		} void ctps2intr(Ureg *ur) { uchar c; USED(ur); c = inb(ctport + CTstatus); if(c & Error) return; if((c & Rready) == 0) return; c = inb(ctport + CTdata); ps2mouseputc(&mouseq, c);
1991/0703		}