116 lines
4.0 KiB
C
116 lines
4.0 KiB
C
/* $NetBSD: grf_ulreg.h,v 1.7 2002/01/26 13:40:55 aymeric Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1995 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Ignatios Souvatzis.
|
|
*
|
|
* 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 the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``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 FOUNDATION 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.
|
|
*/
|
|
|
|
/*
|
|
* Registers etc. for the University of Lowell graphics board.
|
|
*/
|
|
|
|
struct gspregs {
|
|
/*
|
|
* alas, they didn't invert the A1 bit, so we 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
|
|
|