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cgsixvar.h revision 1.14 
      1 /*	$NetBSD: cgsixvar.h,v 1.14 2016/04/21 18:06:06 macallan Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Kranenburg.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "wsdisplay.h"
     33 #include <dev/wscons/wsdisplay_vconsvar.h>
     34 #include <dev/wscons/wsdisplay_glyphcachevar.h>
     35 
     36 /*
     37  * color display (cgsix) driver; common definitions.
     38  */
     39 
     40 union cursor_cmap {		/* colormap, like bt_cmap, but tiny */
     41 	u_char	cm_map[2][3];	/* 2 R/G/B entries */
     42 	u_int	cm_chip[2];	/* 2 chip equivalents */
     43 };
     44 
     45 struct cg6_cursor {		/* cg6 hardware cursor status */
     46 	short	cc_enable;		/* cursor is enabled */
     47 	struct	fbcurpos cc_pos;	/* position */
     48 	struct	fbcurpos cc_hot;	/* hot-spot */
     49 	struct	fbcurpos cc_size;	/* size of mask & image fields */
     50 	u_int	cc_bits[2][32];		/* space for mask & image bits */
     51 	union	cursor_cmap cc_color;	/* cursor colormap */
     52 };
     53 
     54 /* per-display variables */
     55 struct cgsix_softc {
     56 	device_t	sc_dev;		/* base device */
     57 	struct fbdevice	sc_fb;		/* frame buffer device */
     58 	bus_space_tag_t	sc_bustag;
     59 	bus_addr_t	sc_paddr;	/* phys address for device mmap() */
     60 
     61 	volatile struct bt_regs *sc_bt;		/* Brooktree registers */
     62 	volatile int *sc_fhc;			/* FHC register */
     63 	volatile struct cg6_thc *sc_thc;	/* THC registers */
     64 	volatile struct cg6_tec_xxx *sc_tec;	/* TEC registers */
     65 	volatile struct cg6_fbc *sc_fbc;	/* FBC registers */
     66 	short	sc_fhcrev;		/* hardware rev */
     67 	short	sc_blanked;		/* true if blanked */
     68 	struct	cg6_cursor sc_cursor;	/* software cursor info */
     69 
     70 	uint32_t sc_width;
     71 	uint32_t sc_height;	/* display width / height */
     72 	uint32_t sc_stride;
     73 	uint32_t sc_mono_width;	/* how many monochrome pixels to write */
     74 	uint32_t sc_ramsize;		/* VRAM size in bytes */
     75 	int sc_fb_is_open;
     76 	int sc_mode;
     77 	uint32_t sc_bg;
     78 	struct vcons_data vd;
     79 	uint8_t sc_default_cmap[768];
     80 	glyphcache sc_gc;
     81 	union	bt_cmap sc_cmap;	/* Brooktree color map */
     82 };
     83 
     84 #define IS_IN_EMUL_MODE(sc) \
     85 	((sc->sc_fb_is_open == 0) && \
     86 	 (sc->sc_mode == WSDISPLAYIO_MODE_EMUL))
     87 
     88 void	cg6attach(struct cgsix_softc *, const char *, int);
     89