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 
68 struct diocmap {
69           uint8_t r[256], g[256], b[256];
70 };
71 
72 /*
73  * Minimal frame buffer state structure.
74  */
75 struct 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 
120 void      diofb_cnattach(struct diofb *);
121 void      diofb_end_attach(device_t, struct wsdisplay_accessops *, struct diofb *,
122               int, const char *);
123 int       diofb_fbinquire(struct diofb *, int, struct diofbreg *);
124 void      diofb_fbsetup(struct diofb *);
125 int       diofb_getcmap(struct diofb *, struct wsdisplay_cmap *);
126 void      diofb_resetcmap(struct diofb *);
127 
128 int       diofb_alloc_attr(void *, int, int, int, long *);
129 int       diofb_alloc_screen(void *, const struct wsscreen_descr *, void **,
130               int *, int *, long *);
131 void      diofb_free_screen(void *, void *);
132 paddr_t   diofb_mmap(void *, void *, off_t, int);
133 int       diofb_show_screen(void *, void *, int, void (*)(void *, int, int),
134               void *);
135 
136 int       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 */
140 int       dvboxcnattach(bus_space_tag_t, bus_addr_t, int);
141 int       gboxcnattach(bus_space_tag_t, bus_addr_t, int);
142 int       hypercnattach(bus_space_tag_t, bus_addr_t, int);
143 int       rboxcnattach(bus_space_tag_t, bus_addr_t, int);
144 int       topcatcnattach(bus_space_tag_t, bus_addr_t, int);
145 int       tvrxcnattach(bus_space_tag_t, bus_addr_t, int);
146 int       gendiofbcnattach(bus_space_tag_t, bus_addr_t, int);
147 extern    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