Symbol: IO_PPI
sys/x86/include/ppireg.h
44
#define ppi_spkr_on() outb(IO_PPI, inb(IO_PPI) | PIT_SPKR)
sys/x86/include/ppireg.h
45
#define ppi_spkr_off() outb(IO_PPI, inb(IO_PPI) & ~PIT_SPKR)