[PATCHv3 05/12] edid-decode: add new CTA-861-G VIC codes
Hans Verkuil
hverkuil at xs4all.nl
Sat Sep 9 10:08:23 UTC 2017
From: Hans Verkuil <hans.verkuil at cisco.com>
The CTA-861-G standard (successor to CEA-861-F) adds new VIC codes.
Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com>
---
edid-decode.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++--------
1 file changed, 81 insertions(+), 12 deletions(-)
diff --git a/edid-decode.c b/edid-decode.c
index 4534d58f..074cb821 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -1113,10 +1113,12 @@ cea_audio_block(unsigned char *x)
}
}
-static struct {
+struct edid_cea_mode {
const char *name;
int refresh, hor_freq_hz, pixclk_khz;
-} edid_cea_modes[] = {
+};
+
+static struct edid_cea_mode edid_cea_modes1[] = {
/* VIC 1 */
{"640x480 at 60Hz 4:3", 60, 31469, 25175},
{"720x480 at 60Hz 4:3", 60, 31469, 27000},
@@ -1235,14 +1237,80 @@ static struct {
{"3840x2160 at 30Hz 64:27", 30, 67500, 297000},
{"3840x2160 at 50Hz 64:27", 50, 112500, 594000},
{"3840x2160 at 60Hz 64:27", 60, 135000, 594000},
+ {"1280x720 at 48Hz 16:9", 48, 36000, 90000},
+ {"1280x720 at 48Hz 64:27", 48, 36000, 90000},
+ {"1680x720 at 48Hz 64:27", 48, 36000, 99000},
+ /* VIC 111 */
+ {"1920x1080 at 48Hz 16:9", 48, 54000, 148500},
+ {"1920x1080 at 48Hz 64:27", 48, 54000, 148500},
+ {"2560x1080 at 48Hz 64:27", 48, 52800, 198000},
+ {"3840x2160 at 48Hz 16:9", 48, 108000, 594000},
+ {"4096x2160 at 48Hz 256:135", 48, 108000, 594000},
+ {"3840x2160 at 48Hz 64:27", 48, 108000, 594000},
+ {"3840x2160 at 100Hz 16:9", 100, 225000, 1188000},
+ {"3840x2160 at 120Hz 16:9", 120, 270000, 1188000},
+ {"3840x2160 at 100Hz 64:27", 100, 225000, 1188000},
+ {"3840x2160 at 120Hz 64:27", 120, 270000, 1188000},
+ /* VIC 121 */
+ {"5120x2160 at 24Hz 64:27", 24, 52800, 396000},
+ {"5120x2160 at 25Hz 64:27", 25, 55000, 396000},
+ {"5120x2160 at 30Hz 64:27", 30, 66000, 396000},
+ {"5120x2160 at 48Hz 64:27", 48, 118800, 742500},
+ {"5120x2160 at 50Hz 64:27", 50, 112500, 742500},
+ {"5120x2160 at 60Hz 64:27", 60, 135000, 742500},
+ {"5120x2160 at 100Hz 64:27", 100, 225000, 1485000},
+};
+
+static struct edid_cea_mode edid_cea_modes2[] = {
+ /* VIC 193 */
+ {"5120x2160 at 120Hz 64:27", 120, 270000, 1485000},
+ {"7680x4320 at 24Hz 16:9", 24, 108000, 1188000},
+ {"7680x4320 at 25Hz 16:9", 25, 110000, 1188000},
+ {"7680x4320 at 30Hz 16:9", 30, 132000, 1188000},
+ {"7680x4320 at 48Hz 16:9", 48, 216000, 2376000},
+ {"7680x4320 at 50Hz 16:9", 50, 220000, 2376000},
+ {"7680x4320 at 60Hz 16:9", 60, 264000, 2376000},
+ {"7680x4320 at 100Hz 16:9", 100, 450000, 4752000},
+ /* VIC 201 */
+ {"7680x4320 at 120Hz 16:9", 120, 540000, 4752000},
+ {"7680x4320 at 24Hz 64:27", 24, 108000, 1188000},
+ {"7680x4320 at 25Hz 64:27", 25, 110000, 1188000},
+ {"7680x4320 at 30Hz 64:27", 30, 132000, 1188000},
+ {"7680x4320 at 48Hz 64:27", 48, 216000, 2376000},
+ {"7680x4320 at 50Hz 64:27", 50, 220000, 2376000},
+ {"7680x4320 at 60Hz 64:27", 60, 264000, 2376000},
+ {"7680x4320 at 100Hz 64:27", 100, 450000, 4752000},
+ {"7680x4320 at 120Hz 64:27", 120, 540000, 4752000},
+ {"10240x4320 at 24Hz 64:27", 24, 118800, 1485000},
+ /* VIC 211 */
+ {"10240x4320 at 25Hz 64:27", 25, 110000, 1485000},
+ {"10240x4320 at 30Hz 64:27", 30, 135000, 1485000},
+ {"10240x4320 at 48Hz 64:27", 48, 237600, 2970000},
+ {"10240x4320 at 50Hz 64:27", 50, 220000, 2970000},
+ {"10240x4320 at 60Hz 64:27", 60, 270000, 2970000},
+ {"10240x4320 at 100Hz 64:27", 100, 450000, 5940000},
+ {"10240x4320 at 120Hz 64:27", 120, 540000, 5940000},
+ {"4096x2160 at 100Hz 256:135", 100, 225000, 1188000},
+ {"4096x2160 at 120Hz 256:135", 120, 270000, 1188000},
};
+static const struct edid_cea_mode *
+vic_to_mode(unsigned char vic)
+{
+ if (vic > 0 && vic <= ARRAY_SIZE(edid_cea_modes1))
+ return edid_cea_modes1 + vic - 1;
+ if (vic >= 193 && vic <= ARRAY_SIZE(edid_cea_modes2) + 193)
+ return edid_cea_modes2 + vic - 193;
+ return NULL;
+}
+
static void
cea_svd(unsigned char *x, int n, int for_ycbcr420)
{
int i;
for (i = 0; i < n; i++) {
+ const struct edid_cea_mode *vicmode = NULL;
unsigned char svd = x[i];
unsigned char native;
unsigned char vic;
@@ -1261,7 +1329,8 @@ cea_svd(unsigned char *x, int n, int for_ycbcr420)
native = svd & 0x80;
}
- if (vic > 0 && vic <= ARRAY_SIZE(edid_cea_modes)) {
+ vicmode = vic_to_mode(vic);
+ if (vicmode) {
switch (vic) {
case 95:
supported_hdmi_vic_vsb_codes |= 1 << 0;
@@ -1276,13 +1345,13 @@ cea_svd(unsigned char *x, int n, int for_ycbcr420)
supported_hdmi_vic_vsb_codes |= 1 << 3;
break;
}
- mode = edid_cea_modes[vic - 1].name;
- min_vert_freq_hz = min(min_vert_freq_hz, edid_cea_modes[vic - 1].refresh);
- max_vert_freq_hz = max(max_vert_freq_hz, edid_cea_modes[vic - 1].refresh);
- hfreq = edid_cea_modes[vic - 1].hor_freq_hz;
+ mode = vicmode->name;
+ min_vert_freq_hz = min(min_vert_freq_hz, vicmode->refresh);
+ max_vert_freq_hz = max(max_vert_freq_hz, vicmode->refresh);
+ hfreq = vicmode->hor_freq_hz;
min_hor_freq_hz = min(min_hor_freq_hz, hfreq);
max_hor_freq_hz = max(max_hor_freq_hz, hfreq);
- clock_khz = edid_cea_modes[vic - 1].pixclk_khz / (for_ycbcr420 ? 2 : 1);
+ clock_khz = vicmode->pixclk_khz / (for_ycbcr420 ? 2 : 1);
max_pixclk_khz = max(max_pixclk_khz, clock_khz);
} else {
mode = "Unknown mode";
@@ -1337,15 +1406,15 @@ cea_vfpdb(unsigned char *x)
unsigned char svr = x[i];
if ((svr > 0 && svr < 128) || (svr > 192 && svr < 254)) {
+ const struct edid_cea_mode *vicmode;
unsigned char vic;
const char *mode;
- int index;
vic = svr;
- index = vic - 1;
- if (index < ARRAY_SIZE(edid_cea_modes))
- mode = edid_cea_modes[vic].name;
+ vicmode = vic_to_mode(vic);
+ if (vicmode)
+ mode = vicmode->name;
else
mode = "Unknown mode";
--
2.14.1
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