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/* $NetBSD: vidc.h,v 1.2 1996/03/28 21:22:24 mark Exp $ */
/*
* Copyright (c) 1994,1995 Mark Brinicombe.
* Copyright (c) 1994,1995 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI OR CONTRIBUTORS 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.
*
* RiscBSD kernel project
*
* vidc.h
*
* VIDC20 registers
*
* Created : 18/09/94
* Last updated : 08/03/95
*
* Based on kate/display/vidc.h
*
* $Id: vidc.h,v 1.1 1996/04/24 11:08:46 deraadt Exp $
*/
#ifndef __vidc_h
#define __vidc_h
/* VIDC20 Base addresses */
#define VIDC_HW_BASE 0x03400000
#define VIDC_BASE 0xf6100000
/* Video registers */
#define VIDC_PALETTE 0x00000000
#define VIDC_PALREG 0x10000000
#define VIDC_BCOL 0x40000000
#define VIDC_CP0 0x40000000
#define VIDC_CP1 0x50000000
#define VIDC_CP2 0x60000000
#define VIDC_CP3 0x70000000
#define VIDC_HCR 0x80000000
#define VIDC_HSWR 0x81000000
#define VIDC_HBSR 0x82000000
#define VIDC_HDSR 0x83000000
#define VIDC_HDER 0x84000000
#define VIDC_HBER 0x85000000
#define VIDC_HCSR 0x86000000
#define VIDC_HIR 0x87000000
#define VIDC_VCR 0x90000000
#define VIDC_VSWR 0x91000000
#define VIDC_VBSR 0x92000000
#define VIDC_VDSR 0x93000000
#define VIDC_VDER 0x94000000
#define VIDC_VBER 0x95000000
#define VIDC_VCSR 0x96000000
#define VIDC_VCER 0x97000000
#define VIDC_EREG 0xc0000000
#define VIDC_FSYNREG 0xd0000000
#define VIDC_CONREG 0xe0000000
#define VIDC_DCTL 0xf0000000
/* VIDC palette macros */
#define VIDC_RED(r) (r)
#define VIDC_GREEN(g) (g << 8)
#define VIDC_BLUE(b) (b << 16)
#define VIDC_COL(r, g, b) (VIDC_RED(r) | VIDC_GREEN(g) | VIDC_BLUE(b))
#ifdef RC7500
/*
* Video frequency definitions
*/
#define VIDFREQ_25_18 0x00
#define VIDFREQ_28_32 0x01
#define VIDFREQ_40_00 0x02
#define VIDFREQ_72_00 0x03
#define VIDFREQ_50_00 0x04
#define VIDFREQ_77_00 0x05
#define VIDFREQ_36_00 0x06
#define VIDFREQ_44_90 0x07
#define VIDFREQ_130_0 0x08
#define VIDFREQ_120_0 0x09
#define VIDFREQ_80_00 0x0A
#define VIDFREQ_31_50 0x0B
#define VIDFREQ_110_0 0x0C
#define VIDFREQ_65_00 0x0D
#define VIDFREQ_75_00 0x0E
#define VIDFREQ_94_50 0x0F
#endif
/* Sound registers */
#define VIDC_SIR0 0xa0000000
#define VIDC_SIR1 0xa1000000
#define VIDC_SIR2 0xa2000000
#define VIDC_SIR3 0xa3000000
#define VIDC_SIR4 0xa4000000
#define VIDC_SIR5 0xa5000000
#define VIDC_SIR6 0xa6000000
#define VIDC_SIR7 0xa7000000
#define VIDC_SFR 0xb0000000
#define VIDC_SCR 0xb1000000
#define SIR_LEFT_100 0x01
#define SIR_LEFT_83 0x02
#define SIR_LEFT_67 0x03
#define SIR_CENTRE 0x04
#define SIR_RIGHT_67 0x05
#define SIR_RIGHT_83 0x06
#define SIR_RIGHT_100 0x07
/* Video display addresses */
/* Where the display memory is mapped */
#define VMEM_VBASE 0xf4000000
/* Where the VRAM will be found */
#define VRAM_BASE 0x02000000
/* Video memory descriptor */
typedef struct
{
u_int vidm_vbase; /* virtual base of video memory */
u_int vidm_pbase; /* physical base of video memory */
u_int vidm_size; /* video memory size */
int vidm_type; /* video memory type */
} videomemory_t;
#define VIDEOMEM_TYPE_VRAM 0x01
#define VIDEOMEM_TYPE_DRAM 0x02
/* Structures and prototypes for vidc handling functions */
struct vidc_state {
int palette[256];
int palreg;
int bcol;
int cp1;
int cp2;
int cp3;
int hcr, hswr, hbsr, hdsr, hder, hber, hcsr;
int hir;
int vcr, vswr, vbsr, vdsr, vder, vber, vcsr, vcer;
int ereg;
int fsynreg;
int conreg;
int dctl;
};
#define VIDC_FREF 24000000
#ifdef _KERNEL
extern int vidc_write __P((u_int /*reg*/, int /*value*/));
extern void vidc_setstate __P((struct vidc_state */*vidc*/));
extern void vidc_setpalette __P((struct vidc_state */*vidc*/));
extern void vidc_stdpalette __P(());
extern int vidc_col __P((int /*red*/, int /*green*/, int /*blue*/));
extern struct vidc_state vidc_current[];
#endif
struct vidc_mode {
int pixel_rate;
int hswr, hbsr, hdsr, hder, hber, hcr;
int vswr, vbsr, vdsr, vder, vber, vcr;
int bitsperpixel;
int sync_pol;
int frame_rate;
};
typedef struct
{
int chars; /* Number of characters defined in font */
int width; /* Defined width of characters in bytes */
int height; /* Defined height of characters in lines */
int pixel_width; /* Width of characters in pixels */
int pixel_height; /* Height of characters in pixels */
int x_spacing; /* Spacing in pixels between chars */
int y_spacing; /* Spacing in pixels between lines */
int data_size; /* Allocated data size */
unsigned char *data; /* Font data */
} font_struct;
#define XRES mode.hder
#define YRES mode.vder
#define BITSPERPIXEL mode.bitsperpixel
struct vidc_info
{
struct vidc_mode mode;
struct vidc_state vidc;
font_struct *font; /* pointer to current font_struct */
font_struct *normalfont; /* pointer to normal font struct */
font_struct *italicfont; /* pointer to italic font struct */
font_struct *boldfont; /* pointer to bold font struct */
int xfontsize, yfontsize;
int text_width, text_height;
int bytes_per_line;
int bytes_per_scroll;
int pixelsperbyte;
int screensize;
int fast_render;
int forecolour, forefillcolour;
int backcolour, backfillcolour;
int text_colours;
int frontporch;
int topporch; /* ;) */
int bold;
int reverse;
int n_forecolour;
int n_backcolour;
int blanked;
int scrollback_end;
int flash;
int cursor_flash;
};
#define COLOUR_BLACK_1 0x00
#define COLOUR_WHITE_1 0x01
#define COLOUR_BLACK_2 0x00
#define COLOUR_WHITE_2 0x03
#define COLOUR_BLACK_4 0x00
#define COLOUR_WHITE_4 0x07
#define COLOUR_BLACK_8 0x00
#define COLOUR_WHITE_8 0x07
#endif
/* End of vidc.h */
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