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Add support for a read-only edid attribute that shows the result of 

WSDISPLAYIO_GET_EDID.

Uses code from sys/dev/videomode to parse and print the edid data.
This commit is contained in:
mlelstv 2021-12-25 13:54:13 +00:00
parent 70804612dd
commit 9e53e1415d
4 changed files with 35 additions and 6 deletions
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8
sbin/wsconsctl/Makefile
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@ -1,17 +1,19 @@
# $NetBSD: Makefile,v 1.16 2021/10/26 17:33:18 rillig Exp $
# $NetBSD: Makefile,v 1.17 2021/12/25 13:54:13 mlelstv Exp $
PROG= wsconsctl
SRCS= display.c keyboard.c keysym.c map_parse.y map_scan.l \
mouse.c util.c wsconsctl.c
mouse.c util.c wsconsctl.c edid.c vesagtf.o videomode.o
MAN= wsconsctl.8
YHEADER= 1
CPPFLAGS+= -I. -I${.CURDIR}
CPPFLAGS+= -I. -I${.CURDIR} -I${NETBSDSRCDIR}/sys
DPSRCS+= keysym.h
CLEANFILES+= keysym.h
.include <bsd.prog.mk>
.PATH: ${NETBSDSRCDIR}/sys/dev/videomode
# Environment for scripts executed during build.
SCRIPT_ENV= \
AWK=${TOOL_AWK:Q} \

13
sbin/wsconsctl/display.c
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@ -1,4 +1,4 @@
/* $NetBSD: display.c,v 1.16 2012/03/20 18:50:31 matt Exp $ */
/* $NetBSD: display.c,v 1.17 2021/12/25 13:54:13 mlelstv Exp $ */
/*-
* Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
@ -49,6 +49,8 @@ static struct wsdisplay_param backlight;
static struct wsdisplay_param brightness;
static struct wsdisplay_param contrast;
static struct wsdisplay_scroll_data scroll_l;
static struct wsdisplayio_edid_info edid_info;
static uint8_t edid_buf[256];
static int msg_default_attrs, msg_default_bg, msg_default_fg;
static int msg_kernel_attrs, msg_kernel_bg, msg_kernel_fg;
static int splash_enable, splash_progress;
@ -62,6 +64,7 @@ struct field display_field_tab[] = {
{ "contrast", &contrast.curval, FMT_UINT, FLG_MODIFY },
{ "scroll.fastlines", &scroll_l.fastlines, FMT_UINT, FLG_MODIFY },
{ "scroll.slowlines", &scroll_l.slowlines, FMT_UINT, FLG_MODIFY },
{ "edid", &edid_info, FMT_EDID, FLG_RDONLY|FLG_NOAUTO },
{ "msg.default.attrs", &msg_default_attrs, FMT_ATTRS, 0 },
{ "msg.default.bg", &msg_default_bg, FMT_COLOR, 0 },
{ "msg.default.fg", &msg_default_fg, FMT_COLOR, 0 },
@ -144,6 +147,14 @@ display_get_values(int fd)
field_disable_by_value(&scroll_l.slowlines);
}
}
if (field_by_value(&edid_info)->flags & FLG_GET) {
edid_info.edid_data = edid_buf;
edid_info.buffer_size = sizeof(edid_buf);
if (ioctl(fd, WSDISPLAYIO_GET_EDID, &edid_info) < 0) {
field_disable_by_value(&edid_info);
}
}
}
void

17
sbin/wsconsctl/util.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: util.c,v 1.32 2018/11/23 06:31:57 mlelstv Exp $ */
/* $NetBSD: util.c,v 1.33 2021/12/25 13:54:13 mlelstv Exp $ */
/*-
* Copyright (c) 1998, 2006, 2012 The NetBSD Foundation, Inc.
@ -33,6 +33,9 @@
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsksymdef.h>
#include <dev/videomode/videomode.h>
#include <dev/videomode/edidreg.h>
#include <dev/videomode/edidvar.h>
#include <err.h>
#include <errno.h>
@ -249,6 +252,8 @@ pr_field(struct field *f, const char *sep)
const char *p;
unsigned int flags;
int first, i, mask;
struct wsdisplayio_edid_info *info;
struct edid_info edid;
if (sep)
(void)printf("%s%s", f->name, sep);
@ -318,6 +323,15 @@ pr_field(struct field *f, const char *sep)
if (first)
(void)printf("none");
break;
case FMT_EDID:
info = (struct wsdisplayio_edid_info *)f->valp;
if (edid_parse(info->edid_data, &edid))
(void)printf("invalid");
else {
(void)printf("\n");
edid_print(&edid);
}
break;
default:
errx(EXIT_FAILURE, "internal error: pr_field: no format %d",
f->format);
@ -512,3 +526,4 @@ print_kmap(struct wskbd_map_data *map)
}
}
}

3
sbin/wsconsctl/wsconsctl.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: wsconsctl.h,v 1.13 2018/11/23 06:31:57 mlelstv Exp $ */
/* $NetBSD: wsconsctl.h,v 1.14 2021/12/25 13:54:13 mlelstv Exp $ */
/*-
* Copyright (c) 1998, 2004, 2012 The NetBSD Foundation, Inc.
@ -63,6 +63,7 @@ struct field {
#define FMT_KBMAP 105 /* keyboard map */
#define FMT_COLOR 201 /* display color */
#define FMT_ATTRS 202 /* display attributes */
#define FMT_EDID 203 /* edid data */
int format;
#define FLG_RDONLY 0x0001 /* variable cannot be modified */
#define FLG_WRONLY 0x0002 /* variable cannot be displayed */