static int
decode_descriptors (const uchar *edid, MonitorInfo *info)
{
int i;
int timing_idx;
timing_idx = 0;
for (i = 0; i < 4; ++i)
{
int index = 0x36 + i * 18;
if (edid[index + 0] == 0x00 && edid[index + 1] == 0x00)
{
decode_display_descriptor (edid + index, info);
}
else
{
decode_detailed_timing (
edid + index, &(info->detailed_timings[timing_idx++]));
}
}
info->n_detailed_timings = timing_idx;
return TRUE;
}
static void
decode_detailed_monitor(edid1_detailed_monitor *monitor,
const edid1_detailed_monitor_raw *raw, bool enableExtra)
{
int i, j;
for (i = 0; i < EDID1_NUM_DETAILED_MONITOR_DESC; ++i, ++monitor, ++raw) {
// workaround: normally, all four bytes must be zero for detailed
// description, but at least some Formac monitors violate that:
// they have some additional info that start at zero_4(!),
// so even if only the first two _or_ the other two bytes are
// zero, we accept it as a monitor description block
if (enableExtra
&& ((raw->extra.zero_0[0] == 0 && raw->extra.zero_0[1] == 0)
|| (raw->extra.zero_0[2] == 0 && raw->extra.zero_4 == 0))) {
monitor->monitor_desc_type = raw->extra.monitor_desc_type;
switch (raw->extra.monitor_desc_type) {
case EDID1_SERIAL_NUMBER:
copy_str(monitor->data.serial_number,
raw->extra.data.serial_number, EDID1_EXTRA_STRING_LEN);
break;
case EDID1_ASCII_DATA:
copy_str(monitor->data.ascii_data,
raw->extra.data.ascii_data, EDID1_EXTRA_STRING_LEN);
break;
case EDID1_MONITOR_RANGES:
monitor->data.monitor_range = raw->extra.data.monitor_range;
break;
case EDID1_MONITOR_NAME:
copy_str(monitor->data.monitor_name,
raw->extra.data.monitor_name, EDID1_EXTRA_STRING_LEN);
break;
case EDID1_ADD_COLOUR_POINTER:
decode_whitepoint(monitor->data.whitepoint,
&raw->extra.data.whitepoint);
break;
case EDID1_ADD_STD_TIMING:
for (j = 0; j < EDID1_NUM_EXTRA_STD_TIMING; ++j) {
decode_std_timing(&monitor->data.std_timing[j],
&raw->extra.data.std_timing[j]);
}
break;
}
} else if (raw->detailed_timing.pixel_clock > 0) {
monitor->monitor_desc_type = EDID1_IS_DETAILED_TIMING;
decode_detailed_timing(&monitor->data.detailed_timing,
&raw->detailed_timing);
}
}
}
