123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
/* $NetBSD: igsfbvar.h,v 1.1 2002/03/30 19:48:55 uwe Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2002 Valeriy E. Ushakov
|
|
* 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. 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.
|
|
*/
|
|
|
|
/*
|
|
* Integraphics Systems IGA 1682 and (untested) CyberPro 2k.
|
|
*/
|
|
#ifndef _DEV_IC_IGSFBVAR_H_
|
|
#define _DEV_IC_IGSFBVAR_H_
|
|
|
|
|
|
#define IGS_CMAP_SIZE 256 /* 256 R/G/B entries */
|
|
struct igs_hwcmap {
|
|
u_int8_t r[IGS_CMAP_SIZE];
|
|
u_int8_t g[IGS_CMAP_SIZE];
|
|
u_int8_t b[IGS_CMAP_SIZE];
|
|
};
|
|
|
|
|
|
#define IGS_CURSOR_MAX_SIZE 64 /* 64x64 sprite */
|
|
struct igs_hwcursor {
|
|
struct wsdisplay_curpos cc_pos;
|
|
struct wsdisplay_curpos cc_hot;
|
|
struct wsdisplay_curpos cc_size;
|
|
u_int8_t cc_image[512]; /* save copy of image for GCURSOR */
|
|
u_int8_t cc_mask[512]; /* save copy of mask for GCURSOR */
|
|
u_int16_t cc_sprite[512]; /* sprite in device 2bpp format */
|
|
u_int8_t cc_color[6]; /* 2 colors, 3 rgb components */
|
|
};
|
|
|
|
|
|
/*
|
|
* Precomputed bit tables to convert 1bpp image/mask to 2bpp hw cursor
|
|
* sprite. For IGSFB_HW_BSWAP attachments they are pre-bswapped as well.
|
|
*/
|
|
struct igs_bittab {
|
|
u_int16_t iexpand[256]; /* image: 0 -> 00, 1 -> 01 */
|
|
u_int16_t mexpand[256]; /* mask: 0 -> 00, 1 -> 11 */
|
|
};
|
|
|
|
struct igsfb_softc {
|
|
struct device sc_dev;
|
|
|
|
/* io registers */
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_handle_t sc_ioh;
|
|
|
|
/* linear memory */
|
|
bus_space_tag_t sc_memt;
|
|
bus_addr_t sc_memaddr; /* memory phys addr */
|
|
bus_size_t sc_memsz; /* size of linear address space */
|
|
int sc_memflags;
|
|
|
|
/* fb part actually mapped for wsdisplay */
|
|
bus_space_handle_t sc_fbh;
|
|
bus_size_t sc_fbsz;
|
|
|
|
/* 1k of cursor sprite data */
|
|
bus_space_handle_t sc_crh;
|
|
|
|
/*
|
|
* graphic coprocessor can be accessed either via i/o space or
|
|
* via memory-mapped i/o access through memory space.
|
|
*/
|
|
bus_space_tag_t sc_copt;
|
|
bus_space_handle_t sc_coph;
|
|
|
|
/* IGA1682 vs CyberPro 2k (use version num. for finer distinction?) */
|
|
int sc_is2k;
|
|
|
|
/* flags that control driver operation */
|
|
int sc_hwflags;
|
|
|
|
struct rasops_info *sc_ri;
|
|
|
|
struct igs_hwcmap sc_cmap; /* software copy of colormap */
|
|
struct igs_hwcursor sc_cursor; /* software copy of cursor sprite */
|
|
|
|
/* precomputed bit tables for cursor sprite 1bpp -> 2bpp conversion */
|
|
struct igs_bittab *sc_bittab;
|
|
|
|
int nscreens;
|
|
|
|
int sc_blanked; /* screen is currently blanked */
|
|
int sc_curenb; /* cursor sprite enabled */
|
|
};
|
|
|
|
/* sc_hwflags */
|
|
#define IGSFB_HW_BSWAP 1 /* endianness mismatch */
|
|
|
|
|
|
/* methods for bus attachment glue */
|
|
int igsfb_io_enable(bus_space_tag_t, bus_addr_t);
|
|
void igsfb_mem_enable(struct igsfb_softc *);
|
|
void igsfb_common_attach(struct igsfb_softc *, int);
|
|
|
|
#endif /* _DEV_IC_IGSFBVAR_H_ */
|