ref: e2e50a8e5a74452672f9418bcdfe4de10f600ed0
dir: /os/js/cs4231.h/
#define IN(x) inb(csdev.port+(x)) #define OUT(x,v) outb(csdev.port+(x),(v)) void cs4231install(void) { KMap *k; static int installed=0; if(installed) return; k = kmappa(AUDIO_PHYS_PAGE, PTEIO|PTENOCACHE); csdev.port = VA(k)+AUDIO_INDEX_OFFSET; dmasize(Wdma, 8); dmasize(Rdma, 8); installed=1; }