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/* $NetBSD: grf_ulreg.h,v 1.3 1995/12/31 01:22:03 chopps Exp $ */
/*
* Copyright (c) 1995 Ignatios Souvatzis
* 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.
* 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 Lutz Vieweg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Registers etc. for the University of Lowell graphics board.
*/
struct gspregs {
/*
* alas, they didn't invert the A1 bit, so be have to write the
* address pointer in two parts
*/
__volatile u_short hstadrl;
__volatile u_short hstadrh;
__volatile u_short data;
__volatile u_short ctrl;
};
/* Bits in ctrl */
#define HLT 0x8000
#define CF 0x4000
#define LBL 0x2000
#define INCR 0x1000
#define INCW 0x0800
#define NMIM 0x0200
#define NMI 0x0100
#define INTOUT 0x0080
#define MSGOUT 0x0070
#define INTIN 0x0008
#define MSGIN 0x0007
/* address macros */
#define GSPSETHADRS(gsp,adrs) do { \
(gsp)->hstadrh = (adrs) >> 16; \
(gsp)->hstadrl = (adrs) & 0xFFFF; \
} while (0)
#define GSPGETHADRS(gsp) ((gsp)->hstadrh << 16 | (gsp)->hstadrl)
/* Standard addresses in GSP memory */
#define PUT_PTR_ADRS 0xFFA20000 /* put pointer in ring buffer */
#define PUT_HI_PTR_ADRS 0xFFA20010 /* put pointer high word */
#define GET_PTR_ADRS 0xFFA20020 /* get pointer (low word) */
#define GSP_MODE_ADRS 0xFFA20040 /* GSP mode word */
/* Bits in GSP mode word */
#define GMODE_HOLD 1 /* hold screen */
#define GMODE_FLUSH 2 /* flush GSP input queue */
#define GMODE_ALTSCRN 4 /* use alternate screen */
#define GMODE_DISPCTRL 8 /* display control chars */
/* command words */
#define GCMD_CMD_MSK 0x000F
#define GCMD_PAR_MSK 0xFFF0
#define GCMD_NOP 0
#define GCMD_CHAR 1 /* char, fg, bg, x, y */
#define GCMD_FILL 2 /* fg, x, y, w, h, ppop */
#define GCMD_PIXBLT 3 /* x, y, w, h, dx, dy */
#define GCMD_FNTMIR 4 /* */
#define GCMD_CMAP 5 /* overlay==1, index, red, green, blue */
#define GCMD_MCHG 6 /* width, height, baseh, basel, pitch, depth */
struct grf_ul_softc {
struct grf_softc gus_sc;
u_int8_t gus_imcmap[768];
u_int8_t gus_ovcmap[12];
u_int8_t gus_ovslct;
/* realconfig stuff assumes this is last, else it would get copied: */
struct isr gus_isr;
};
#ifdef _KERNEL
void gsp_write(struct gspregs *gsp, u_int16_t *data, size_t size);
int grful_cnprobe(void);
void grful_iteinit(struct grf_softc *gp);
#endif
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