1 /*        $NetBSD: itevar.h,v 1.16 2014/04/13 15:45:27 tsutsui Exp $  */
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1990, 1993
6  *        The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * from: Utah $Hdr: itevar.h 1.15 92/12/20$
37  *
38  *        @(#)itevar.h        8.1 (Berkeley) 6/10/93
39  */
40 
41 /*
42  * Standalone version of hp300 ITE.
43  */
44 
45 #define getbyte(ip, offset) \
46           *(((u_char *)(ip)->regbase) + (offset))
47 
48 #define getword(ip, offset) \
49           ((getbyte(ip, offset) << 8) | getbyte(ip, (offset) + 2))
50 
51 struct ite_data;
52 
53 typedef   void (*ite_windowmover)(struct ite_data *, int, int, int, int, int,
54               int, int);
55 
56 struct ite_data {
57           int       alive;
58           int       scode;                        /* DIO selectcode or SGC slot # */
59           struct  itesw *isw;
60           void      *regbase, *fbbase;
61           short     curx, cury;
62           short   cursorx, cursory;
63           short   cblankx, cblanky;
64           short     rows, cols;
65           short   cpl;
66           short     dheight, dwidth;
67           short     fbheight, fbwidth;
68           short     ftheight, ftwidth;
69           short     fontx, fonty;
70           short     planemask;
71           ite_windowmover bmv;
72 };
73 
74 struct itesw {
75           int       ite_hwid;
76           void      (*ite_init)(struct ite_data *);
77           void      (*ite_clear)(struct ite_data *, int, int, int, int);
78           void      (*ite_putc)(struct ite_data *, int, int, int);
79           void      (*ite_cursor)(struct ite_data *, int);
80           void      (*ite_scroll)(struct ite_data *);
81 };
82 
83 /*
84  * X and Y location of character 'c' in the framebuffer, in pixels.
85  */
86 #define   charX(ip,c)         \
87           (((c) % (ip)->cpl) * (ip)->ftwidth + (ip)->fontx)
88 
89 #define charX1bpp(ip,c) \
90           (((c) % (ip)->cpl) * ((((ip)->ftwidth + 7) / 8) * 8) + (ip)->fontx)
91 
92 #define   charY(ip,c)         \
93           (((c) / (ip)->cpl) * (ip)->ftheight + (ip)->fonty)
94 
95 /* Replacement Rules */
96 #define RR_CLEAR              0x0
97 #define RR_COPY                         0x3
98 #define RR_XOR                          0x6
99 #define RR_COPYINVERTED       0xc
100 
101 #define DRAW_CURSOR 0x05
102 #define ERASE_CURSOR    0x06
103 #define MOVE_CURSOR 0x07
104 
105 #define KBD_SSHIFT  4                   /* bits to shift status */
106 #define KBD_CHARMASK          0x7F
107 
108 /* keyboard status */
109 #define KBD_SMASK   0xF                 /* service request status mask */
110 #define KBD_CTRLSHIFT         0x8                 /* key + CTRL + SHIFT */
111 #define KBD_CTRL    0x9                 /* key + CTRL */
112 #define KBD_SHIFT   0xA                 /* key + SHIFT */
113 #define KBD_KEY               0xB                 /* key only */
114 
115 extern    struct ite_data ite_data[];
116 extern    struct itesw itesw[];
117 extern    int nitesw;
118 
119 /*
120  * Prototypes.
121  */
122 void ite_fontinfo(struct ite_data *);
123 void ite_fontinit1bpp(struct ite_data *);
124 void ite_fontinit8bpp(struct ite_data *);
125 void ite_dio_clear(struct ite_data *, int, int, int, int);
126 void ite_dio_cursor(struct ite_data *, int);
127 void ite_dio_putc1bpp(struct ite_data *, int, int, int);
128 void ite_dio_putc8bpp(struct ite_data *, int, int, int);
129 void ite_dio_scroll(struct ite_data *);
130 void ite_dio_windowmove1bpp(struct ite_data *, int, int, int, int,
131     int, int, int);
132 
133 /*
134  * Framebuffer-specific ITE prototypes.
135  */
136 void topcat_init(struct ite_data *);
137 void gbox_init(struct ite_data *);
138 void gbox_scroll(struct ite_data *);
139 void rbox_init(struct ite_data *);
140 void dvbox_init(struct ite_data *);
141 void hyper_init(struct ite_data *);
142 void tvrx_init(struct ite_data *);
143 
144 void sti_iteinit_sgc(struct ite_data *);
145 void sti_cursor(struct ite_data *, int);
146 void sti_putc(struct ite_data *, int, int, int);
147 void sti_clear(struct ite_data *, int, int, int, int);
148 void sti_scroll(struct ite_data *);
149 
150 void dumb_init(struct ite_data *);
151 void dumb_cursor(struct ite_data *, int);
152 void dumb_putc(struct ite_data *, int, int, int);
153 void dumb_clear(struct ite_data *, int, int, int, int);
154 void dumb_scroll(struct ite_data *);
155