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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 1998 Michael Smith and Kazutaka YOKOTA
* All rights reserved.
*
* 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 as
* the first lines of this file unmodified.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 THE AUTHORS 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.
*
* $FreeBSD$
*/
#ifndef _DEV_FB_VESA_H_
#define _DEV_FB_VESA_H_
struct vesa_info
{
/* mandatory fields */
u_int8_t v_sig[4]; /* VESA */
u_int16_t v_version; /* ver in BCD */
u_int32_t v_oemstr; /* OEM string */
u_int32_t v_flags; /* flags */
#define V_DAC8 (1<<0)
#define V_NONVGA (1<<1)
#define V_SNOW (1<<2)
u_int32_t v_modetable; /* modes */
u_int16_t v_memsize; /* in 64K */
/* 2.0 */
u_int16_t v_revision; /* software rev */
u_int32_t v_venderstr; /* vender */
u_int32_t v_prodstr; /* product name */
u_int32_t v_revstr; /* product rev */
u_int8_t v_strach[222];
u_int8_t v_oemdata[256];
} __packed;
struct vesa_mode
{
/* mandatory fields */
u_int16_t v_modeattr;
#define V_MODESUPP (1<<0) /* VESA mode attributes */
#define V_MODEOPTINFO (1<<1)
#define V_MODEBIOSOUT (1<<2)
#define V_MODECOLOR (1<<3)
#define V_MODEGRAPHICS (1<<4)
#define V_MODENONVGA (1<<5)
#define V_MODENONBANK (1<<6)
#define V_MODELFB (1<<7)
#define V_MODEVESA (1<<16) /* Private attributes */
u_int8_t v_waattr;
u_int8_t v_wbattr;
#define V_WATTREXIST (1<<0)
#define V_WATTRREAD (1<<1)
#define V_WATTRWRITE (1<<2)
u_int16_t v_wgran;
u_int16_t v_wsize;
u_int16_t v_waseg;
u_int16_t v_wbseg;
u_int32_t v_posfunc;
u_int16_t v_bpscanline;
/* fields optional for 1.0/1.1 implementations */
u_int16_t v_width;
u_int16_t v_height;
u_int8_t v_cwidth;
u_int8_t v_cheight;
u_int8_t v_planes;
u_int8_t v_bpp;
u_int8_t v_banks;
u_int8_t v_memmodel;
#define V_MMTEXT 0
#define V_MMCGA 1
#define V_MMHGC 2
#define V_MMEGA 3
#define V_MMPACKED 4
#define V_MMSEQU256 5
#define V_MMDIRCOLOR 6
#define V_MMYUV 7
u_int8_t v_banksize;
u_int8_t v_ipages;
u_int8_t v_reserved0;
/* fields for 1.2+ implementations */
u_int8_t v_redmasksize;
u_int8_t v_redfieldpos;
u_int8_t v_greenmasksize;
u_int8_t v_greenfieldpos;
u_int8_t v_bluemasksize;
u_int8_t v_bluefieldpos;
u_int8_t v_resmasksize;
u_int8_t v_resfieldpos;
u_int8_t v_dircolormode;
/* 2.0 implementations */
u_int32_t v_lfb;
u_int32_t v_offscreen;
u_int16_t v_offscreensize;
/* 3.0 implementations */
u_int16_t v_linbpscanline;
u_int8_t v_bankipages;
u_int8_t v_linipages;
u_int8_t v_linredmasksize;
u_int8_t v_linredfieldpos;
u_int8_t v_lingreenmasksize;
u_int8_t v_lingreenfieldpos;
u_int8_t v_linbluemasksize;
u_int8_t v_linbluefieldpos;
u_int8_t v_linresmasksize;
u_int8_t v_linresfieldpos;
u_int32_t v_maxpixelclock;
u_int8_t v_reserved1[190];
} __packed;
#ifdef _KERNEL
#define VESA_MODE(x) ((x) >= M_VESA_BASE && (x) <= M_VESA_MODE_MAX)
int vesa_load_ioctl(void);
int vesa_unload_ioctl(void);
#endif
#endif /* !_DEV_FB_VESA_H_ */
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