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cgfourteenvar.h revision 1.11 
      1 /*	$NetBSD: cgfourteenvar.h,v 1.11 2008/12/12 18:52:40 macallan Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1996
      5  *	The President and Fellows of Harvard College. All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Harvard University and
     18  *	its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 struct sbus_reg {
     36 	uint32_t	sbr_slot;
     37 	uint32_t	sbr_offset;
     38 	uint32_t	sbr_size;
     39 };
     40 /*
     41  * Layout of cg14 hardware colormap
     42  */
     43 union cg14cmap {
     44 	u_char  	cm_map[256][4];	/* 256 R/G/B/A entries (B is high)*/
     45 	uint32_t   	cm_chip[256];	/* the way the chip gets loaded */
     46 };
     47 
     48 /*
     49  * cg14 hardware cursor colormap
     50  */
     51 union cg14cursor_cmap {		/* colormap, like bt_cmap, but tiny */
     52 	u_char		cm_map[2][4];	/* 2 R/G/B/A entries */
     53 	uint32_t	cm_chip[2];	/* 2 chip equivalents */
     54 };
     55 
     56 /*
     57  * cg14 hardware cursor status
     58  */
     59 struct cg14_cursor {		/* cg14 hardware cursor status */
     60 	int	cc_enable;		/* cursor is enabled */
     61 	struct	fbcurpos cc_pos;	/* position */
     62 	struct	fbcurpos cc_hot;	/* hot-spot */
     63 	struct	fbcurpos cc_size;	/* size of mask & image fields */
     64 	uint	cc_eplane[32];		/* enable plane */
     65 	uint	cc_cplane[32];		/* color plane */
     66 	union	cg14cursor_cmap cc_color; /* cursor colormap */
     67 };
     68 
     69 /*
     70  * per-cg14 variables/state
     71  */
     72 struct cgfourteen_softc {
     73 	device_t	sc_dev;		/* base device */
     74 	struct fbdevice	sc_fb;		/* frame buffer device */
     75 #ifdef RASTERCONSOLE
     76 	struct fbdevice	sc_rcfb;	/* sc_fb variant for rcons */
     77 #endif
     78 	bus_space_tag_t	sc_bustag;
     79 	struct sbus_reg	sc_physadr[2];	/* phys addrs of h/w */
     80 	bus_space_handle_t sc_regh;	/* register space */
     81 #define CG14_CTL_IDX	0
     82 #define CG14_PXL_IDX	1
     83 
     84 	union	cg14cmap sc_cmap;	/* current colormap */
     85 	struct	cg14_cursor sc_cursor;	/* Hardware cursor state */
     86 	union 	cg14cmap sc_saveclut; 	/* a place to stash PROM state */
     87 	size_t	sc_vramsize;
     88 #if NWSDISPLAY > 0
     89 	struct  vcons_data sc_vd;
     90 	struct vcons_screen sc_console_screen;
     91 	struct wsscreen_descr sc_defaultscreen_descr;
     92 	const struct wsscreen_descr *sc_screens[1];
     93 	struct wsscreen_list sc_screenlist;
     94 	void *sc_shadowfb;
     95 	int sc_mode;	/* wsdisplay mode - EMUL, DUMB etc. */
     96 	int sc_depth;	/* current colour depth */
     97 #endif
     98 
     99 	uint8_t	sc_savexlut[256];
    100 	uint8_t	sc_savectl;
    101 	uint8_t	sc_savehwc;
    102 
    103 	struct	cg14ctl  *sc_ctl; 	/* various registers */
    104 	struct	cg14curs *sc_hwc;
    105 	struct 	cg14dac	 *sc_dac;
    106 	struct	cg14xlut *sc_xlut;
    107 	struct 	cg14clut *sc_clut1;
    108 	struct	cg14clut *sc_clut2;
    109 	struct	cg14clut *sc_clut3;
    110 	uint	*sc_clutincr;
    111 	int	sc_opens;
    112 };
    113