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Annotation of coherent/f/usr/include.78/sys/vt.h, revision 1.1.1.1

1.1       root        1: /* (-lgl
                      2:  *     COHERENT 386 Device Driver Kit release 2.0
                      3:  *     Copyright (c) 1982, 1992 by Mark Williams Company.
                      4:  *     All rights reserved. May not be copied without permission.
                      5:  -lgl) */
                      6: #ifndef __SYS_VT_H__
                      7: #define __SYS_VT_H__
                      8: 
                      9: /*
                     10:  * Type definitions
                     11:  */
                     12: 
                     13: /*
                     14:  * Virtual terminal structure VTDATA
                     15:  */
                     16: #ifdef _I386
                     17: typedef        struct  {
                     18:        unsigned        int     off;
                     19:        unsigned    /*short*/   seg;
                     20: }      faddr_t;
                     21: #endif
                     22: 
                     23: typedef struct _VTDATA {
                     24:        /*
                     25:         * Elements dealing with the graphic adaptor 
                     26:         * - equivalent to the assembler definitions above.
                     27:         */
                     28:        void    (*vmm_func)();
                     29:        unsigned vmm_port,      vmm_seg,        vmm_off;
                     30:        unsigned vmm_rowl,      vmm_col,        vmm_pos,        vmm_attr;
                     31:        unsigned vmm_n1,        vmm_n2,         vmm_brow;
                     32:        unsigned vmm_erow,      vmm_lrow,       vmm_srow;
                     33:        unsigned vmm_scol,      vmm_ibrow,      vmm_ierow;
                     34:        unsigned vmm_invis;
                     35:        unsigned vmm_slow,      vmm_wrap,       vmm_visible,    vmm_esc;
                     36:        unsigned vmm_mseg,      vmm_moff,       vmm_vseg,       vmm_voff;
                     37: 
                     38:        /*
                     39:         * Elements dealing with both the graphic adaptor & keyboard 
                     40:         * - equivalent to the assembler definitions above.
                     41:         */
                     42:        dev_t           vt_ind;
                     43: #ifdef _I386
                     44:        KBTBL           vt_kb[MAX_KEYS];
                     45:        char            *vt_buffer;
                     46: #else
                     47:        SEG             *vt_buffer;
                     48: #endif
                     49:        /*
                     50:         * Elements dealing with the keyboard 
                     51:         *
                     52:         * The keyboard mapping table is too large to fit into kernel data space,
                     53:         * so we need to allocate a segment to it.
                     54:         * The function keys tend to be small and tend to change substantially
                     55:         * more often than the mapping table, so we keep them in the kernel data space.
                     56:         */
                     57:        int             vnkb_lastc;             /* state info */
                     58:        unsigned        vnkb_shift;             /* Overall shift state */
                     59:        unsigned        char **vnkb_funkeyp;    /* Pointer to array of func. key ptrs */
                     60:        FNKEY           *vnkb_fnkeys;           /* Pointer to structure of values */
                     61:        unsigned        vnkb_fklength;          /* length of k_fnval field in fnkeys */
                     62:        unsigned        vnkb_sh_index;          /* shift/lock state index */
                     63:        char            vnkb_fk_loaded;         /* true == function keys resident */
                     64: }      VTDATA;
                     65: 
                     66: typedef struct _HWentry {
                     67:        unsigned char   count, found;
                     68:        short   port;
                     69:        faddr_t vidmemory;
                     70:        struct  {
                     71:                unsigned char   row;
                     72:                unsigned char   col;
                     73: #define        TEXTBLOCK 4000  /* 25 x 80 x 2 */
                     74:        } screen;
                     75:        short   start;
                     76: } HWentry;
                     77: 
                     78: #ifndef        KB_MAJOR
                     79: #include <sys/devices.h>               /* KB_MAJOR defined in here */
                     80: #endif
                     81: 
                     82: #ifndef        VT_MAJOR
                     83: #define        VT_MAJOR        KB_MAJOR
                     84: #endif
                     85: 
                     86: #define        VT_PHYSICAL     0x40
                     87: #define        VT_HW           0x30
                     88: #define        VT_HW_COLOR     0x00
                     89: #define        VT_HW_MONO      0x10
                     90: 
                     91: #define        VT_INDEX(dev)   (dev&0x3F)
                     92: 
                     93: #define        NO_DEVICE       0xFF    /* to signify that the minor does not exist */
                     94: 
                     95: #define        PRINTV  if(vt_verbose)printf
                     96: #define        PUTC    if(vt_verbose)putc
                     97: 
                     98: /*
                     99:  * patchable params for non-standard keyboards
                    100:  */
                    101: extern int     KBDATA;                 /* Keyboard data */
                    102: extern int     KBCTRL;                 /* Keyboard control */
                    103: extern int     KBSTS_CMD;              /* Keyboard status/command */
                    104: extern int     KBFLAG;                 /* Keyboard reset flag */
                    105: extern int     KBBOOT;                 /* 0: disallow reboot from keyboard */
                    106: extern int     KBTIMEOUT;              /* shouldn't need this much */
                    107: extern int     KBCMDBYTE;              /* no translation */
                    108: 
                    109: /*
                    110:  * globals
                    111:  */
                    112: extern int             vtmax, vtcount, vtactive;
                    113: extern int             vt_verbose, vt_opened, vtloaded;
                    114: extern VTDATA          *vtconsole, **vtdata;
                    115: extern char            kb_table_loaded;
                    116: extern HWentry         *vtHWtable[];
                    117: 
                    118: #endif /* VT_H */

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