static int
sb_reset_dsp(struct resource *io)
{
sb_wr(io, SBDSP_RST, 3);
DELAY(100);
sb_wr(io, SBDSP_RST, 0);
return (sb_get_byte(io) == 0xAA)? 0 : ENXIO;
}
static void
sb_setmixer(struct resource *io, u_int port, u_int value)
{
u_long flags;
flags = spltty();
sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
DELAY(10);
sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff));
DELAY(10);
splx(flags);
}
static int
sb_dspwr(struct sb_info *sb, u_char val)
{
int i;
for (i = 0; i < 1000; i++) {
if (sb_dspready(sb)) {
sb_wr(sb, SBDSP_CMD, val);
return 1;
}
if (i > 10) DELAY((i > 100)? 1000 : 10);
}
kprintf("sb_dspwr(0x%02x) timed out.\n", val);
return 0;
}
static int
sb_dspwr(struct resource *io, u_char val)
{
int i;
for (i = 0; i < 1000; i++) {
if (sb_dspready(io)) {
sb_wr(io, SBDSP_CMD, val);
return 1;
}
if (i > 10) DELAY((i > 100)? 1000 : 10);
}
printf("sb_dspwr(0x%02x) timed out.\n", val);
return 0;
}
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;
}
