1/*	$NetBSD: cgfourteenvar.h,v 1.12 2010/06/10 13:21:13 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 */
35struct 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 */
43union 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 */
51union 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 */
59struct 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#define CG14_SET_PIXELMODE	_IOW('M', 3, int)
70
71/*
72 * per-cg14 variables/state
73 */
74struct cgfourteen_softc {
75	device_t	sc_dev;		/* base device */
76	struct fbdevice	sc_fb;		/* frame buffer device */
77#ifdef RASTERCONSOLE
78	struct fbdevice	sc_rcfb;	/* sc_fb variant for rcons */
79#endif
80	bus_space_tag_t	sc_bustag;
81	struct sbus_reg	sc_physadr[2];	/* phys addrs of h/w */
82	bus_space_handle_t sc_regh;	/* register space */
83#define CG14_CTL_IDX	0
84#define CG14_PXL_IDX	1
85
86	union	cg14cmap sc_cmap;	/* current colormap */
87	struct	cg14_cursor sc_cursor;	/* Hardware cursor state */
88	union 	cg14cmap sc_saveclut; 	/* a place to stash PROM state */
89	size_t	sc_vramsize;
90	int 	sc_depth;	/* current colour depth */
91#if NWSDISPLAY > 0
92	struct  vcons_data sc_vd;
93	struct 	vcons_screen sc_console_screen;
94	struct 	wsscreen_descr sc_defaultscreen_descr;
95	const struct wsscreen_descr *sc_screens[1];
96	struct 	wsscreen_list sc_screenlist;
97	int 	sc_mode;	/* wsdisplay mode - EMUL, DUMB etc. */
98#endif
99
100	uint8_t	sc_savexlut[256];
101	uint8_t	sc_savectl;
102	uint8_t	sc_savehwc;
103
104	struct	cg14ctl  *sc_ctl; 	/* various registers */
105	struct	cg14curs *sc_hwc;
106	struct 	cg14dac	 *sc_dac;
107	struct	cg14xlut *sc_xlut;
108	struct 	cg14clut *sc_clut1;
109	struct	cg14clut *sc_clut2;
110	struct	cg14clut *sc_clut3;
111	uint	*sc_clutincr;
112	int	sc_opens;
113	off_t	sc_regaddr, sc_fbaddr;
114};
115
116/* Various offsets in virtual (ie. mmap()) spaces Linux and Solaris support. */
117#define CG14_REGS_VOFF		0x00000000	/* registers */
118#define CG14_XLUT_VOFF		0x00003000	/* X Look Up Table */
119#define CG14_CLUT1_VOFF		0x00004000	/* Color Look Up Table */
120#define CG14_CLUT2_VOFF		0x00005000	/* Color Look Up Table */
121#define CG14_CLUT3_VOFF		0x00006000	/* Color Look Up Table */
122#define CG14_DIRECT_VOFF	0x10000000
123#define CG14_CTLREG_VOFF	0x20000000
124#define CG14_CURSOR_VOFF	0x30000000
125#define CG14_SHDW_VRT_VOFF	0x40000000
126#define CG14_XBGR_VOFF		0x50000000
127#define CG14_BGR_VOFF		0x60000000
128#define CG14_X16_VOFF		0x70000000
129#define CG14_C16_VOFF		0x80000000
130#define CG14_X32_VOFF		0x90000000
131#define CG14_B32_VOFF		0xa0000000
132#define CG14_G32_VOFF		0xb0000000
133#define CG14_R32_VOFF		0xc0000000
134