[PATCH 12/27] edid-decode: add support for Established Timings III
Hans Verkuil
hverkuil at xs4all.nl
Thu Aug 31 11:41:05 UTC 2017
From: Hans Verkuil <hans.verkuil at cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com>
---
edid-decode.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 64 insertions(+), 2 deletions(-)
diff --git a/edid-decode.c b/edid-decode.c
index e2041048..25b8ed81 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -300,6 +300,61 @@ extract_string(unsigned char *x, int *valid_termination, int len)
return ret;
}
+static const struct {
+ int x, y, refresh, ratio_w, ratio_h, rb;
+} established_timings3[] = {
+ /* 0x06 bit 7 - 0 */
+ {640, 350, 85, 64, 35},
+ {640, 400, 85, 16, 10},
+ {720, 400, 85, 9, 5},
+ {640, 480, 85, 4, 3},
+ {848, 480, 60, 53, 30},
+ {800, 600, 85, 4, 3},
+ {1024, 768, 85, 4, 3},
+ {1152, 864, 75, 4, 3},
+ /* 0x07 bit 7 - 0 */
+ {1280, 768, 60, 5, 3, 1},
+ {1280, 768, 60, 5, 3},
+ {1280, 768, 75, 5, 3},
+ {1280, 768, 85, 5, 3},
+ {1280, 960, 60, 4, 3},
+ {1280, 960, 85, 4, 3},
+ {1280, 1024, 60, 5, 4},
+ {1280, 1024, 85, 5, 4},
+ /* 0x08 bit 7 - 0 */
+ {1360, 768, 60, 85, 48},
+ {1440, 900, 60, 16, 10, 1},
+ {1440, 900, 60, 16, 10},
+ {1440, 900, 75, 16, 10},
+ {1440, 900, 85, 16, 10},
+ {1400, 1050, 60, 4, 3, 1},
+ {1400, 1050, 60, 4, 3},
+ {1400, 1050, 75, 4, 3},
+ /* 0x09 bit 7 - 0 */
+ {1400, 1050, 85, 4, 3},
+ {1680, 1050, 60, 16, 10, 1},
+ {1680, 1050, 60, 16, 10},
+ {1680, 1050, 75, 16, 10},
+ {1680, 1050, 85, 16, 10},
+ {1600, 1200, 60, 4, 3},
+ {1600, 1200, 65, 4, 3},
+ {1600, 1200, 70, 4, 3},
+ /* 0x0a bit 7 - 0 */
+ {1600, 1200, 75, 4, 3},
+ {1600, 1200, 85, 4, 3},
+ {1792, 1344, 60, 4, 3},
+ {1792, 1344, 75, 4, 3},
+ {1856, 1392, 60, 4, 3},
+ {1856, 1392, 75, 4, 3},
+ {1920, 1200, 60, 16, 10, 1},
+ {1920, 1200, 60, 16, 10},
+ /* 0x0b bit 7 - 4 */
+ {1920, 1200, 75, 16, 10},
+ {1920, 1200, 85, 16, 10},
+ {1920, 1440, 60, 4, 3},
+ {1920, 1440, 75, 4, 3},
+};
+
/* 1 means valid data */
static int
detailed_block(unsigned char *x, int in_extension)
@@ -349,8 +404,15 @@ detailed_block(unsigned char *x, int in_extension)
has_valid_dummy_block = 0;
return 1;
case 0xF7:
- /* TODO */
- printf("Established timings III\n");
+ printf("Established timings III:\n");
+ for (i = 0; i < 44; i++) {
+ if (x[6 + i / 8] & (1 << (7 - i % 8))) {
+ printf(" %dx%d@%dHz %s%u:%u\n", established_timings3[i].x,
+ established_timings3[i].y, established_timings3[i].refresh,
+ established_timings3[i].rb ? "RB " : "",
+ established_timings3[i].ratio_w, established_timings3[i].ratio_h);
+ }
+ }
return 1;
case 0xF8:
{
--
2.14.1
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