usr/src/sys/hp300/dev/grfvar.h

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
 *
 *      @(#)grfvar.h    7.3 (Berkeley) 5/7/91
 */

/* internal structure of lock page */
#define GRFMAXLCK       256
struct  grf_lockpage {
        u_char  gl_locks[GRFMAXLCK];
};
#define gl_lockslot gl_locks[0]

/* per display info */
struct  grf_softc {
        int     g_flags;                /* software flags */
        int     g_type;                 /* type of display */
        caddr_t g_regkva;               /* KVA of registers */
        caddr_t g_fbkva;                /* KVA of framebuffer */
        struct  grfinfo g_display;      /* hardware description (for ioctl) */
        struct  grf_lockpage *g_lock;   /* lock page associated with device */
        struct  proc *g_lockp;          /* process holding lock */
        short   *g_pid;                 /* array of pids with device open */
        int     g_lockpslot;            /* g_pid entry of g_lockp */
        caddr_t g_data;                 /* device dependent data */
};

/* flags */
#define GF_ALIVE        0x01
#define GF_OPEN         0x02
#define GF_EXCLUDE      0x04
#define GF_WANTED       0x08
#define GF_BSDOPEN      0x10
#define GF_HPUXOPEN     0x20

/* display types - indices into grfdev */
#define GT_TOPCAT       0
#define GT_GATORBOX     1
#define GT_RENAISSANCE  2
#define GT_LRCATSEYE    3
#define GT_HRCCATSEYE   4
#define GT_HRMCATSEYE   5
#define GT_DAVINCI      6

struct  grfdev {
        int     gd_hardid;      /* secondary id returned by hardware */
        int     gd_softid;      /* id returned by HP-UX */
        int     (*gd_init)();   /* boot time initialization */
        int     (*gd_mode)();   /* misc functions */
        char    *gd_desc;       /* text description */
};

/* hardware ids */
#define GID_GATORBOX    1
#define GID_TOPCAT      2
#define GID_RENAISSANCE 4
#define GID_LRCATSEYE   5
#define GID_HRCCATSEYE  6
#define GID_HRMCATSEYE  7
#define GID_DAVINCI     8

/* software ids defined in grfioctl.h */

/* requests to mode routine */
#define GM_GRFON        1
#define GM_GRFOFF       2
#define GM_GRFOVON      3
#define GM_GRFOVOFF     4

struct  grfreg {
        char    gr_pad0;
        u_char  gr_id;          /* +0x01 */
        char    gr_pad1[0x13];
        u_char  gr_id2;         /* +0x15 */
        char    gr_pad2[0x47];
        u_char  gr_fbomsb;      /* +0x5d */
        char    gr_pad3;
        u_char  gr_fbolsb;      /* +0x5f */
};
/* bitmapped display hardware id */
#define GRFHWID         0x39

/* internal bitmapped display address */
#define GRFIADDR        0x560000

/* minor device interpretation */
#define GRFOVDEV        0x10    /* overlay planes */
#define GRFIMDEV        0x20    /* images planes */
#define GRFUNIT(d)      ((d) & 0x7)

#ifdef KERNEL
extern  struct grf_softc grf_softc[];
#endif