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dmt: add more timing info

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Signed-off-by: Simon Ser <contact@emersion.fr>
This commit is contained in:
Simon Ser 2022-08-15 20:08:09 +02:00
parent cc7597d9cc
commit 4ead11c64b
3 changed files with 815 additions and 0 deletions
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774
dmt-table.c
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File diff suppressed because it is too large Load diff

10
include/dmt.h
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@ -19,6 +19,16 @@ struct di_dmt_timing {
int32_t horiz_video, vert_video; int32_t horiz_video, vert_video;
/* Field Refresh Rate in Hz */ /* Field Refresh Rate in Hz */
float refresh_rate_hz; float refresh_rate_hz;
/* Pixel clock in Hz */
int32_t pixel_clock_hz;
/* Horizontal/Vertical Blanking in pixels/lines */
int32_t horiz_blank, vert_blank;
/* Horizontal/Vertical Front Porch in pixels/lines */
int32_t horiz_front_porch, vert_front_porch;
/* Horizontal/Vertical Sync Pulse Width in pixels/lines */
int32_t horiz_sync_pulse, vert_sync_pulse;
/* Horizontal/Vertical Border in pixels/lines */
int32_t horiz_border, vert_border;
}; };
extern const struct di_dmt_timing _di_dmt_timings[]; extern const struct di_dmt_timing _di_dmt_timings[];

31
tool/gen-dmt.py
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@ -22,6 +22,16 @@ def parse_hex_list(s):
assert(0 <= int(b, 16) <= 255) assert(0 <= int(b, 16) <= 255)
return "0x" + "".join(l) return "0x" + "".join(l)
def parse_pixel_param(l):
l = l[2].split(" ")
assert(len(l) >= 2 and l[1] == "Pixels")
return int(l[0])
def parse_line_param(l):
l = l[1].split(" ")
assert(len(l) >= 2 and l[1] == "lines")
return int(l[0])
def parse_timing(page): def parse_timing(page):
lines = [l.strip() for l in page.splitlines()] lines = [l.strip() for l in page.splitlines()]
if len(lines) < 6: if len(lines) < 6:
@ -73,6 +83,18 @@ def parse_timing(page):
edid_std_id = parse_hex_list(ids["Std. 2 Byte Code"]) edid_std_id = parse_hex_list(ids["Std. 2 Byte Code"])
cvt_id = parse_hex_list(ids["CVT 3 Byte Code"]) cvt_id = parse_hex_list(ids["CVT 3 Byte Code"])
pixel_clock_mhz = float(params["Pixel Clock"][0].split(";")[0])
horiz_blank = parse_pixel_param(params["Hor Blank Time"])
horiz_front_porch = parse_pixel_param(params["// H Front Porch"])
horiz_sync_pulse = parse_pixel_param(params["Hor Sync Time"])
horiz_border = parse_pixel_param(params["// H Right Border"])
assert(horiz_border == parse_pixel_param(params["// H Left Border"]))
vert_blank = parse_line_param(params["Ver Blank Time"])
vert_front_porch = parse_line_param(params["// V Front Porch"])
vert_sync_pulse = parse_line_param(params["Ver Sync Time"])
vert_border = parse_line_param(params["// V Bottom Border"])
assert(vert_border == parse_line_param(params["// V Top Border"]))
return { return {
"dmt_id": dmt_id, "dmt_id": dmt_id,
"edid_std_id": 0 if edid_std_id is None else edid_std_id, "edid_std_id": 0 if edid_std_id is None else edid_std_id,
@ -80,6 +102,15 @@ def parse_timing(page):
"horiz_video": horiz_video, "horiz_video": horiz_video,
"vert_video": vert_video, "vert_video": vert_video,
"refresh_rate_hz": refresh_rate_hz, "refresh_rate_hz": refresh_rate_hz,
"pixel_clock_hz": int(pixel_clock_mhz * 1000 * 1000),
"horiz_blank": horiz_blank,
"horiz_front_porch": horiz_front_porch,
"horiz_sync_pulse": horiz_sync_pulse,
"horiz_border": horiz_border,
"vert_blank": vert_blank,
"vert_front_porch": vert_front_porch,
"vert_sync_pulse": vert_sync_pulse,
"vert_border": vert_border,
} }
if len(sys.argv) != 2: if len(sys.argv) != 2: