1991/1210/pc/kbd.c (diff list | history)

1991/1207/sys/src/9/pc/kbd.c:169,175 – 1991/1210/sys/src/9/pc/kbd.c:169,201 (short | long | prev | next)
1991/0803		return 0;
1991/0731		}
1991/1210		/* * ask 8042 to enable the use of address bit 20 */
1991/0703		void
1991/1210		i8042a20(void) { outready(); outb(Cmd, 0xD1); outready(); outb(Data, 0xDF); outready(); } /* * ask 8042 to reset the 386 */ void i8042reset(void) { outready(); outb(Cmd, 0xD1); outready(); outb(Data, 0xDE); outready(); } void
1991/0703		kbdinit(void) {
1991/0731		int c, s;
1991/1207/sys/src/9/pc/kbd.c:185,203 – 1991/1210/sys/src/9/pc/kbd.c:211,240
1991/0730		if(c & Inready) inb(Data);
1991/0731		/* enable kbd/mouse xfers and interrupts */
1991/0730		outb(Cmd, 0x60);
1991/0803		if(outready() < 0) print("kbd init failed\n");
1991/1207		outb(Data, 0x47); /* BUG -- on 6300 0x65 */
1991/0803		if(outready() < 0) print("kbd init failed\n");
1991/1207		outb(Cmd, 0xA8); /* BUG -- should this be AE? */
1991/0731
1991/0803		/* make mouse streaming, enabled */ if(mousecmd(0xEA) < 0 || mousecmd(0xF4) < 0) print("can't initialize mouse\n");
1991/1210		switch(machtype){ case Attnsx: /* enable kbd/mouse xfers and interrupts */ outb(Cmd, 0x60); if(outready() < 0) print("kbd init failed\n"); outb(Data, 0x47); if(outready() < 0) print("kbd init failed\n"); outb(Cmd, 0xA8); /* make mouse streaming, enabled */ if(mousecmd(0xEA) < 0 || mousecmd(0xF4) < 0) print("can't initialize mouse\n"); break; case At: /* enable kbd xfers and interrupts */ outb(Cmd, 0x60); if(outready() < 0) print("kbd init failed\n"); outb(Data, 0x65); break; }
1991/0731		}
1991/0730
1991/0731		/*