275 lines
7.4 KiB
C
275 lines
7.4 KiB
C
/* $NetBSD: vidc.h,v 1.4 1996/10/14 23:05:34 mark Exp $ */
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/*
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* Copyright (c) 1994,1995 Mark Brinicombe.
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* Copyright (c) 1994,1995 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RiscBSD kernel project
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*
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* vidc.h
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*
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* VIDC20 registers
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*
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* Created : 18/09/94
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*
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* Based on kate/display/vidc.h
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*/
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#ifndef _ARM32_VIDC_H_
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#define _ARM32_VIDC_H_
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/* VIDC20 Base addresses */
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#define VIDC_HW_BASE 0x03400000
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#define VIDC_BASE 0xf6100000
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/* Video registers */
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#define VIDC_PALETTE 0x00000000
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#define VIDC_PALREG 0x10000000
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#define VIDC_BCOL 0x40000000
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#define VIDC_CP0 0x40000000
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#define VIDC_CP1 0x50000000
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#define VIDC_CP2 0x60000000
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#define VIDC_CP3 0x70000000
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#define VIDC_HCR 0x80000000
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#define VIDC_HSWR 0x81000000
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#define VIDC_HBSR 0x82000000
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#define VIDC_HDSR 0x83000000
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#define VIDC_HDER 0x84000000
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#define VIDC_HBER 0x85000000
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#define VIDC_HCSR 0x86000000
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#define VIDC_HIR 0x87000000
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#define VIDC_VCR 0x90000000
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#define VIDC_VSWR 0x91000000
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#define VIDC_VBSR 0x92000000
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#define VIDC_VDSR 0x93000000
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#define VIDC_VDER 0x94000000
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#define VIDC_VBER 0x95000000
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#define VIDC_VCSR 0x96000000
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#define VIDC_VCER 0x97000000
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#define VIDC_EREG 0xc0000000
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#define VIDC_FSYNREG 0xd0000000
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#define VIDC_CONREG 0xe0000000
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#define VIDC_DCTL 0xf0000000
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/* VIDC palette macros */
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#define VIDC_RED(r) (r)
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#define VIDC_GREEN(g) (g << 8)
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#define VIDC_BLUE(b) (b << 16)
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#define VIDC_COL(r, g, b) (VIDC_RED(r) | VIDC_GREEN(g) | VIDC_BLUE(b))
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#ifdef RC7500
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/*
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* Video frequency definitions
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*/
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#define VIDFREQ_25_18 0x00
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#define VIDFREQ_28_32 0x01
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#define VIDFREQ_40_00 0x02
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#define VIDFREQ_72_00 0x03
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#define VIDFREQ_50_00 0x04
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#define VIDFREQ_77_00 0x05
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#define VIDFREQ_36_00 0x06
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#define VIDFREQ_44_90 0x07
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#define VIDFREQ_130_0 0x08
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#define VIDFREQ_120_0 0x09
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#define VIDFREQ_80_00 0x0A
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#define VIDFREQ_31_50 0x0B
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#define VIDFREQ_110_0 0x0C
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#define VIDFREQ_65_00 0x0D
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#define VIDFREQ_75_00 0x0E
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#define VIDFREQ_94_50 0x0F
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#endif
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/* Sound registers */
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#define VIDC_SIR0 0xa0000000
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#define VIDC_SIR1 0xa1000000
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#define VIDC_SIR2 0xa2000000
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#define VIDC_SIR3 0xa3000000
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#define VIDC_SIR4 0xa4000000
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#define VIDC_SIR5 0xa5000000
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#define VIDC_SIR6 0xa6000000
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#define VIDC_SIR7 0xa7000000
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#define VIDC_SFR 0xb0000000
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#define VIDC_SCR 0xb1000000
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#define SIR_LEFT_100 0x01
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#define SIR_LEFT_83 0x02
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#define SIR_LEFT_67 0x03
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#define SIR_CENTRE 0x04
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#define SIR_RIGHT_67 0x05
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#define SIR_RIGHT_83 0x06
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#define SIR_RIGHT_100 0x07
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/* Video display addresses */
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/* Where the display memory is mapped */
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#define VMEM_VBASE 0xf4000000
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/* Where the VRAM will be found */
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#define VRAM_BASE 0x02000000
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#ifndef _LOCORE
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/* Video memory descriptor */
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typedef struct
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{
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u_int vidm_vbase; /* virtual base of video memory */
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u_int vidm_pbase; /* physical base of video memory */
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u_int vidm_size; /* video memory size */
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int vidm_type; /* video memory type */
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} videomemory_t;
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#define VIDEOMEM_TYPE_VRAM 0x01
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#define VIDEOMEM_TYPE_DRAM 0x02
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/* Structures and prototypes for vidc handling functions */
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struct vidc_state {
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int palette[256];
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int palreg;
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int bcol;
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int cp1;
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int cp2;
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int cp3;
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int hcr, hswr, hbsr, hdsr, hder, hber, hcsr;
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int hir;
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int vcr, vswr, vbsr, vdsr, vder, vber, vcsr, vcer;
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int ereg;
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int fsynreg;
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int conreg;
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int dctl;
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};
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#ifdef CPU_ARM7500
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#define VIDC_FREF 32000000
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#else
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#define VIDC_FREF 24000000
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#endif /* CPU_ARM7500 */
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#ifdef _KERNEL
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extern int vidc_write __P((u_int /*reg*/, int /*value*/));
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extern void vidc_setstate __P((struct vidc_state */*vidc*/));
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extern void vidc_setpalette __P((struct vidc_state */*vidc*/));
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extern void vidc_stdpalette __P(());
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extern int vidc_col __P((int /*red*/, int /*green*/, int /*blue*/));
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extern struct vidc_state vidc_current[];
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#endif /* _KERNEL */
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struct vidc_mode {
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int pixel_rate;
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int hswr, hbsr, hdsr, hder, hber, hcr;
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int vswr, vbsr, vdsr, vder, vber, vcr;
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int bitsperpixel;
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int sync_pol;
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int frame_rate;
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};
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typedef struct
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{
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int chars; /* Number of characters defined in font */
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int width; /* Defined width of characters in bytes */
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int height; /* Defined height of characters in lines */
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int pixel_width; /* Width of characters in pixels */
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int pixel_height; /* Height of characters in pixels */
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int x_spacing; /* Spacing in pixels between chars */
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int y_spacing; /* Spacing in pixels between lines */
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int data_size; /* Allocated data size */
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unsigned char *data; /* Font data */
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} font_struct;
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#define XRES mode.hder
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#define YRES mode.vder
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#define BITSPERPIXEL mode.bitsperpixel
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struct vidc_info
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{
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struct vidc_mode mode;
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struct vidc_state vidc;
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font_struct *font; /* pointer to current font_struct */
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font_struct *normalfont; /* pointer to normal font struct */
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font_struct *italicfont; /* pointer to italic font struct */
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font_struct *boldfont; /* pointer to bold font struct */
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int xfontsize, yfontsize;
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int text_width, text_height;
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int bytes_per_line;
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int bytes_per_scroll;
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int pixelsperbyte;
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int screensize;
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int fast_render;
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int forecolour, forefillcolour;
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int backcolour, backfillcolour;
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int text_colours;
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int frontporch;
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int topporch; /* ;) */
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int bold;
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int reverse;
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int n_forecolour;
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int n_backcolour;
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int blanked;
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int scrollback_end;
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int flash;
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int cursor_flash;
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};
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#endif /* !_LOCORE */
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#define COLOUR_BLACK_1 0x00
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#define COLOUR_WHITE_1 0x01
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#define COLOUR_BLACK_2 0x00
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#define COLOUR_WHITE_2 0x03
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#define COLOUR_BLACK_4 0x00
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#define COLOUR_WHITE_4 0x07
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#define COLOUR_BLACK_8 0x00
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#define COLOUR_WHITE_8 0x07
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#endif /* !_ARM32_VIDC_H */
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/* End of vidc.h */
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