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Annotation of Net2/arch/amiga/dev/grfvar.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1988 University of Utah.
                      3:  * Copyright (c) 1990 The Regents of the University of California.
                      4:  * All rights reserved.
                      5:  *
                      6:  * This code is derived from software contributed to Berkeley by
                      7:  * the Systems Programming Group of the University of Utah Computer
                      8:  * Science Department.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by the University of
                     21:  *     California, Berkeley and its contributors.
                     22:  * 4. Neither the name of the University nor the names of its contributors
                     23:  *    may be used to endorse or promote products derived from this software
                     24:  *    without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36:  * SUCH DAMAGE.
                     37:  *
                     38:  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
                     39:  *
                     40:  *     @(#)grfvar.h    7.3 (Berkeley) 5/7/91
                     41:  */
                     42: 
                     43: /* internal structure of lock page */
                     44: #define GRFMAXLCK      256
                     45: struct grf_lockpage {
                     46:        u_char  gl_locks[GRFMAXLCK];
                     47: };
                     48: #define gl_lockslot gl_locks[0]
                     49: 
                     50: /* per display info */
                     51: struct grf_softc {
                     52:        int     g_flags;                /* software flags */
                     53:        int     g_type;                 /* type of display */
                     54:        caddr_t g_regkva;               /* KVA of registers */
                     55:        caddr_t g_fbkva;                /* KVA of framebuffer */
                     56:        struct  grfinfo g_display;      /* hardware description (for ioctl) */
                     57:        struct  grf_lockpage *g_lock;   /* lock page associated with device */
                     58:        struct  proc *g_lockp;          /* process holding lock */
                     59:        short   *g_pid;                 /* array of pids with device open */
                     60:        int     g_lockpslot;            /* g_pid entry of g_lockp */
                     61:        caddr_t g_data;                 /* device dependent data */
                     62: };
                     63: 
                     64: /* flags */
                     65: #define        GF_ALIVE        0x01
                     66: #define GF_OPEN                0x02
                     67: #define GF_EXCLUDE     0x04
                     68: #define GF_WANTED      0x08
                     69: 
                     70: /* display types - indices into grfdev */
                     71: #define GT_CUSTOMCHIPS 0
                     72: #define GT_TIGA_A2410  1
                     73: 
                     74: struct grfdev {
                     75:        int     gd_manuf;
                     76:        int     gd_prod;        /* autoconfig� parameters */
                     77:        int     (*gd_init)();   /* boot time initialization */
                     78:        int     (*gd_mode)();   /* misc functions */
                     79:        char    *gd_desc;       /* text description */
                     80: };
                     81: 
                     82: /* software ids defined in grfioctl.h */
                     83: 
                     84: /* requests to mode routine */
                     85: #define GM_GRFON       1
                     86: #define GM_GRFOFF      2
                     87: #define GM_GRFOVON     3
                     88: #define GM_GRFOVOFF    4
                     89: #define GM_GRFCONFIG   5
                     90: 
                     91: /* minor device interpretation */
                     92: #define GRFOVDEV       0x10    /* overlay planes */
                     93: #define GRFIMDEV       0x20    /* images planes */
                     94: #define GRFUNIT(d)     ((d) & 0x7)
                     95: 
                     96: #ifdef KERNEL
                     97: extern struct grf_softc grf_softc[];
                     98: #endif

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