xref: /netbsd-src/sys/arch/sparc/dev/cgfourteenvar.h (revision b62fc9e20372b08e1785ff6d769312d209fa2005)
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