static u_int
sb_get_byte(struct resource *io)
{
int i;
for (i = 1000; i > 0; i--) {
if (sb_rd(io, DSP_DATA_AVAIL) & 0x80)
return sb_rd(io, DSP_READ);
else
DELAY(20);
}
return 0xffff;
}
static int
sb_dspwr(struct sb_info *sb, u_char val)
{
int i;
for (i = 0; i < 1000; i++) {
if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
DELAY((i > 100)? 1000 : 10);
else {
sb_wr(sb, SBDSP_CMD, val);
return 1;
}
}
printf("sb_dspwr(0x%02x) timed out.\n", val);
return 0;
}
static int
sb_dspready(struct sb_info *sb)
{
return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0);
}
static int
sb_dspready(struct resource *io)
{
return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0);
}
