diff options
Diffstat (limited to 'freebsd/sys/dev/videomode/edidvar.h')
| -rw-r--r-- | freebsd/sys/dev/videomode/edidvar.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/freebsd/sys/dev/videomode/edidvar.h b/freebsd/sys/dev/videomode/edidvar.h new file mode 100644 index 00000000..da1211b4 --- /dev/null +++ b/freebsd/sys/dev/videomode/edidvar.h @@ -0,0 +1,96 @@ +/* $NetBSD: edidvar.h,v 1.2 2006/05/11 19:05:41 gdamore Exp $ */ +/* $FreeBSD$ */ + +/*- + * Copyright (c) 2006 Itronix Inc. + * All rights reserved. + * + * Written by Garrett D'Amore for Itronix Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of Itronix Inc. may not be used to endorse + * or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _DEV_VIDEOMODE_EDIDVAR_H +#define _DEV_VIDEOMODE_EDIDVAR_H + +struct edid_chroma { + uint16_t ec_redx; + uint16_t ec_redy; + uint16_t ec_greenx; + uint16_t ec_greeny; + uint16_t ec_bluex; + uint16_t ec_bluey; + uint16_t ec_whitex; + uint16_t ec_whitey; +}; + +struct edid_range { + uint16_t er_min_vfreq; /* Hz */ + uint16_t er_max_vfreq; /* Hz */ + uint16_t er_min_hfreq; /* kHz */ + uint16_t er_max_hfreq; /* kHz */ + uint16_t er_max_clock; /* MHz */ + int er_have_gtf2; + uint16_t er_gtf2_hfreq; + uint16_t er_gtf2_c; + uint16_t er_gtf2_m; + uint16_t er_gtf2_k; + uint16_t er_gtf2_j; +}; + +struct edid_info { + uint8_t edid_vendor[4]; + char edid_vendorname[16]; + char edid_productname[16]; + char edid_comment[16]; + char edid_serial[16]; + uint16_t edid_product; + uint8_t edid_version; + uint8_t edid_revision; + int edid_year; + int edid_week; + uint8_t edid_video_input; /* see edidregs.h */ + uint8_t edid_max_hsize; /* in cm */ + uint8_t edid_max_vsize; /* in cm */ + uint8_t edid_gamma; + uint8_t edid_features; + uint8_t edid_ext_block_count; + + int edid_have_range; + struct edid_range edid_range; + + struct edid_chroma edid_chroma; + + /* parsed modes */ + struct videomode *edid_preferred_mode; + int edid_nmodes; + struct videomode edid_modes[64]; +}; + +int edid_is_valid(uint8_t *); +int edid_parse(uint8_t *, struct edid_info *); +void edid_print(struct edid_info *); + +#endif /* _DEV_VIDEOMODE_EDIDVAR_H */ |