sys/arch/hp300/dev/itevar.h

   1 /*      $NetBSD: itevar.h,v 1.28 2009/03/18 16:00:11 cegger Exp $       */
   2
   3 /*
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * the Systems Programming Group of the University of Utah Computer
   9  * Science Department.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. 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  * from: Utah $Hdr: itevar.h 1.15 92/12/20$
  36  *
  37  *      @(#)itevar.h    8.1 (Berkeley) 6/10/93
  38  */
  39 /*
  40  * Copyright (c) 1988 University of Utah.
  41  *
  42  * This code is derived from software contributed to Berkeley by
  43  * the Systems Programming Group of the University of Utah Computer
  44  * Science Department.
  45  *
  46  * Redistribution and use in source and binary forms, with or without
  47  * modification, are permitted provided that the following conditions
  48  * are met:
  49  * 1. Redistributions of source code must retain the above copyright
  50  *    notice, this list of conditions and the following disclaimer.
  51  * 2. Redistributions in binary form must reproduce the above copyright
  52  *    notice, this list of conditions and the following disclaimer in the
  53  *    documentation and/or other materials provided with the distribution.
  54  * 3. All advertising materials mentioning features or use of this software
  55  *    must display the following acknowledgement:
  56  *      This product includes software developed by the University of
  57  *      California, Berkeley and its contributors.
  58  * 4. Neither the name of the University nor the names of its contributors
  59  *    may be used to endorse or promote products derived from this software
  60  *    without specific prior written permission.
  61  *
  62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  72  * SUCH DAMAGE.
  73  *
  74  * from: Utah $Hdr: itevar.h 1.15 92/12/20$
  75  *
  76  *      @(#)itevar.h    8.1 (Berkeley) 6/10/93
  77  */
  78
  79 #ifdef _KERNEL
  80 #define ITEUNIT(dev)       minor(dev)
  81
  82 #define getbyte(ip, offset) \
  83         ((*(ip)->isw->ite_readbyte)(ip, offset))
  84
  85 #define getword(ip, offset) \
  86         ((getbyte(ip, offset) << 8) | getbyte(ip, (offset) + 2))
  87
  88 #define writeglyph(ip, offset, fontbuf) \
  89         ((*(ip)->isw->ite_writeglyph)((ip), (offset), (fontbuf)))
  90
  91 struct ite_data {
  92         int     flags;
  93         struct  tty *tty;
  94         struct  itesw *isw;
  95         struct  grf_data *grf;
  96         uint8_t *regbase, *fbbase;
  97         short   curx, cury;
  98         short   cursorx, cursory;
  99         short   cblankx, cblanky;
 100         short   rows, cols;
 101         short   cpl;
 102         short   dheight, dwidth;
 103         short   fbheight, fbwidth;
 104         short   ftheight, ftwidth;
 105         short   fontx, fonty;
 106         short   attribute;
 107         u_char  *attrbuf;
 108         short   planemask;
 109         short   pos;
 110         char    imode, escape, fpd, hold;
 111         void *  devdata;                        /* display dependent data */
 112 };
 113
 114 struct itesw {
 115         void    (*ite_init)(struct ite_data *);
 116         void    (*ite_deinit)(struct ite_data *);
 117         void    (*ite_clear)(struct ite_data *, int, int, int, int);
 118         void    (*ite_putc)(struct ite_data *, int, int, int, int);
 119         void    (*ite_cursor)(struct ite_data *, int);
 120         void    (*ite_scroll)(struct ite_data *, int, int, int, int);
 121         u_char  (*ite_readbyte)(struct ite_data *, int);
 122         void    (*ite_writeglyph)(struct ite_data *, volatile u_char *, u_char *);
 123 };
 124
 125 struct ite_softc {
 126         device_t sc_dev;                /* generic device info */
 127         struct  ite_data *sc_data;      /* terminal state info */
 128         struct  grf_softc *sc_grf;      /* pointer to framebuffer */
 129 };
 130 #endif /* _KERNEL */
 131
 132 /* Flags */
 133 #define ITE_ALIVE       0x01    /* hardware exists */
 134 #define ITE_INITED      0x02    /* device has been initialized */
 135 #define ITE_CONSOLE     0x04    /* device can be console */
 136 #define ITE_ISCONS      0x08    /* device is console */
 137 #define ITE_ACTIVE      0x10    /* device is being used as ITE */
 138 #define ITE_INGRF       0x20    /* device in use as non-ITE */
 139 #define ITE_CURSORON    0x40    /* cursor being tracked */
 140
 141 #define attrloc(ip, y, x) \
 142         (ip->attrbuf + ((y) * ip->cols) + (x))
 143
 144 #define attrclr(ip, sy, sx, h, w) \
 145         memset(ip->attrbuf + ((sy) * ip->cols) + (sx), 0, (h) * (w))
 146
 147 #define attrmov(ip, sy, sx, dy, dx, h, w) \
 148         memmove(ip->attrbuf + ((dy) * ip->cols) + (dx), \
 149                 ip->attrbuf + ((sy) * ip->cols) + (sx), \
 150                 (h) * (w))
 151
 152 #define attrtest(ip, attr) \
 153         ((* (u_char *) attrloc(ip, ip->cury, ip->curx)) & attr)
 154
 155 #define attrset(ip, attr) \
 156         ((* (u_char *) attrloc(ip, ip->cury, ip->curx)) = attr)
 157
 158 /*
 159  * X and Y location of character 'c' in the framebuffer, in pixels.
 160  */
 161 #define charX(ip,c)     \
 162         (((c) % (ip)->cpl) * (ip)->ftwidth + (ip)->fontx)
 163
 164 #define charY(ip,c)     \
 165         (((c) / (ip)->cpl) * (ip)->ftheight + (ip)->fonty)
 166
 167 /*
 168  * The cursor is just an inverted space.
 169  */
 170 #define draw_cursor(ip) { \
 171         WINDOWMOVER(ip, ip->cblanky, ip->cblankx, \
 172                     ip->cury * ip->ftheight, \
 173                     ip->curx * ip->ftwidth, \
 174                     ip->ftheight, ip->ftwidth, RR_XOR); \
 175         ip->cursorx = ip->curx; \
 176         ip->cursory = ip->cury; }
 177
 178 #define erase_cursor(ip) \
 179         WINDOWMOVER(ip, ip->cblanky, ip->cblankx, \
 180                     ip->cursory * ip->ftheight, \
 181                     ip->cursorx * ip->ftwidth, \
 182                     ip->ftheight, ip->ftwidth, RR_XOR);
 183
 184 /* Character attributes */
 185 #define ATTR_NOR        0x0             /* normal */
 186 #define ATTR_INV        0x1             /* inverse */
 187 #define ATTR_UL         0x2             /* underline */
 188 #define ATTR_ALL        (ATTR_INV | ATTR_UL)
 189
 190 /* Keyboard attributes */
 191 #define ATTR_KPAD       0x4             /* keypad transmit */
 192
 193 /* Replacement Rules */
 194 #define RR_CLEAR                0x0
 195 #define RR_COPY                 0x3
 196 #define RR_XOR                  0x6
 197 #define RR_COPYINVERTED         0xc
 198
 199 #define SCROLL_UP       0x01
 200 #define SCROLL_DOWN     0x02
 201 #define SCROLL_LEFT     0x03
 202 #define SCROLL_RIGHT    0x04
 203 #define DRAW_CURSOR     0x05
 204 #define ERASE_CURSOR    0x06
 205 #define MOVE_CURSOR     0x07
 206
 207 #define KBD_SSHIFT      4               /* bits to shift status */
 208 #define KBD_CHARMASK    0x7F
 209
 210 /* keyboard status */
 211 #define KBD_SMASK       0xF             /* service request status mask */
 212 #define KBD_CTRLSHIFT   0x8             /* key + CTRL + SHIFT */
 213 #define KBD_CTRL        0x9             /* key + CTRL */
 214 #define KBD_SHIFT       0xA             /* key + SHIFT */
 215 #define KBD_KEY         0xB             /* key only */
 216
 217 #define KBD_CAPSLOCK    0x18
 218
 219 #define KBD_EXT_LEFT_DOWN     0x12
 220 #define KBD_EXT_LEFT_UP       0x92
 221 #define KBD_EXT_RIGHT_DOWN    0x13
 222 #define KBD_EXT_RIGHT_UP      0x93
 223
 224 #define TABSIZE         8
 225 #define TABEND(ip)      \
 226         (((ip)->tty ? (ip)->tty->t_winsize.ws_col : (ip)->cols) - TABSIZE)
 227
 228 #ifdef _KERNEL
 229
 230 struct ite_kbdops {
 231         int (*getc)(int *);
 232         void (*enable)(void *);
 233         void (*bell)(void *);
 234         void *arg;
 235 };
 236
 237 struct ite_kbdmap {
 238         u_char *keymap;
 239         u_char *shiftmap;
 240         u_char *ctrlmap;
 241 };
 242
 243 /* ite.c prototypes */
 244 int     iteon(struct ite_data *, int);
 245 void    iteoff(struct ite_data *, int);
 246 void    iteinstallkeymap(void *);
 247 void    itefilter(char, char);
 248
 249 void    itedisplaycnattach(struct grf_data *, struct itesw *);
 250 void    itekbdcnattach(struct ite_kbdops *, struct ite_kbdmap *);
 251 void    itecninit(void);
 252 int     itecngetc(dev_t);
 253 void    itecnputc(dev_t, int);
 254
 255 /* ite_subr.c prototypes */
 256 void    ite_fontinfo(struct ite_data *);
 257 void    ite_fontinit(struct ite_data *);
 258 u_char  ite_readbyte(struct ite_data *, int);
 259 void    ite_writeglyph(struct ite_data *, volatile u_char *, u_char *);
 260 #endif