1/*	$NetBSD: diofbvar.h,v 1.5 2024/05/01 19:28:33 tsutsui Exp $	*/
2/*	$OpenBSD: diofbvar.h,v 1.10 2006/08/11 18:33:13 miod Exp $	*/
3
4/*
5 * Copyright (c) 2005, Miodrag Vallat
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28/*
29 * Copyright (c) 1988 University of Utah.
30 * Copyright (c) 1990, 1993
31 *	The Regents of the University of California.  All rights reserved.
32 *
33 * This code is derived from software contributed to Berkeley by
34 * the Systems Programming Group of the University of Utah Computer
35 * Science Department.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 *    notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 *    notice, this list of conditions and the following disclaimer in the
44 *    documentation and/or other materials provided with the distribution.
45 * 3. Neither the name of the University nor the names of its contributors
46 *    may be used to endorse or promote products derived from this software
47 *    without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 * from: Utah $Hdr: grfvar.h 1.11 93/08/13$
62 *
63 *	@(#)grfvar.h	8.2 (Berkeley) 9/9/93
64 */
65
66#ifdef	_KERNEL
67
68struct diocmap {
69	uint8_t r[256], g[256], b[256];
70};
71
72/*
73 * Minimal frame buffer state structure.
74 */
75struct diofb {
76	uint8_t *regkva;		/* KVA of registers */
77	uint8_t *fbkva;			/* KVA of framebuffer */
78
79	uint8_t	*regaddr;		/* control registers physaddr */
80	uint8_t	*fbaddr;		/* frame buffer physaddr */
81
82	u_int	fbsize;			/* frame buffer size */
83	u_int	fbwidth;		/* frame buffer width */
84	u_int	fbheight;		/* frame buffer height */
85	u_int	dwidth;			/* displayed part width */
86	u_int	dheight;		/* displayed part height */
87
88	u_int	planes;			/* number of planes */
89	u_int	planemask;		/* and related mask */
90
91	/* rasops information */
92	struct rasops_info ri;
93
94	/* color information */
95	struct diocmap cmap;
96
97	/* wsdisplay information */
98	char wsdname[32];
99	struct wsscreen_descr wsd;
100	struct wsscreen_list wsl;
101	struct wsscreen_descr *scrlist[1];
102	int	nscreens;
103	u_int	mapmode;
104
105	/* blockmove routine */
106	int	(*bmv)(struct diofb *, uint16_t, uint16_t, uint16_t,
107		    uint16_t, uint16_t, uint16_t, int16_t, int16_t);
108
109	/* putchar routine to handle rasops; MD busywait might be required */
110	void	(*wsputchar)(void *, int, int, u_int, long);
111};
112
113/* Replacement Rules (rops) */
114#define	RR_CLEAR		0x0
115#define	RR_COPY			0x3
116#define	RR_XOR			0x6
117#define	RR_INVERT		0xa
118#define	RR_COPYINVERTED		0xc
119
120void	diofb_cnattach(struct diofb *);
121void	diofb_end_attach(device_t, struct wsdisplay_accessops *, struct diofb *,
122	    int, const char *);
123int	diofb_fbinquire(struct diofb *, int, struct diofbreg *);
124void	diofb_fbsetup(struct diofb *);
125int	diofb_getcmap(struct diofb *, struct wsdisplay_cmap *);
126void	diofb_resetcmap(struct diofb *);
127
128int	diofb_alloc_attr(void *, int, int, int, long *);
129int	diofb_alloc_screen(void *, const struct wsscreen_descr *, void **,
130	    int *, int *, long *);
131void	diofb_free_screen(void *, void *);
132paddr_t	diofb_mmap(void *, void *, off_t, int);
133int	diofb_show_screen(void *, void *, int, void (*)(void *, int, int),
134	    void *);
135
136int	diofb_mono_windowmove(struct diofb *, uint16_t, uint16_t, uint16_t,
137	    uint16_t, uint16_t, uint16_t, int16_t, int16_t);
138
139/* Console support */
140int	dvboxcnattach(bus_space_tag_t, bus_addr_t, int);
141int	gboxcnattach(bus_space_tag_t, bus_addr_t, int);
142int	hypercnattach(bus_space_tag_t, bus_addr_t, int);
143int	rboxcnattach(bus_space_tag_t, bus_addr_t, int);
144int	topcatcnattach(bus_space_tag_t, bus_addr_t, int);
145int	tvrxcnattach(bus_space_tag_t, bus_addr_t, int);
146int	gendiofbcnattach(bus_space_tag_t, bus_addr_t, int);
147extern	struct diofb diofb_cn;		/* struct diofb for console device */
148
149#endif
150
151/*
152 * In mapped mode, mmap() will provide the following layout:
153 * 0 - (DIOFB_REGSPACE - 1)	frame buffer registers
154 * DIOFB_REGSPACE onwards	frame buffer memory
155 */
156#define	DIOFB_REGSPACE	0x020000
157