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Annotation of src/sys/dev/wscons/wsdisplayvar.h, Revision 1.25

1.24      darrenr     1: /* $NetBSD: wsdisplayvar.h,v 1.23 2002/10/15 17:38:08 junyoung Exp $ */
1.1       drochner    2:
                      3: /*
                      4:  * Copyright (c) 1996, 1997 Christopher G. Demetriou.  All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  * 3. All advertising materials mentioning features or use of this software
                     15:  *    must display the following acknowledgement:
                     16:  *      This product includes software developed by Christopher G. Demetriou
                     17:  *     for the NetBSD Project.
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     22:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     23:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     24:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     25:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     26:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     27:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     28:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     29:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     30:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     31:  */
                     32:
                     33: struct device;
                     34:
                     35: /*
                     36:  * WSDISPLAY interfaces
                     37:  */
                     38:
                     39: /*
                     40:  * Emulation functions, for displays that can support glass-tty terminal
                     41:  * emulations.  These are character oriented, with row and column
                     42:  * numbers starting at zero in the upper left hand corner of the
                     43:  * screen.
                     44:  *
                     45:  * These are used only when emulating a terminal.  Therefore, displays
                     46:  * drivers which cannot emulate terminals do not have to provide them.
                     47:  *
                     48:  * There is a "void *" cookie provided by the display driver associated
                     49:  * with these functions, which is passed to them when they are invoked.
                     50:  */
                     51: struct wsdisplay_emulops {
1.20      augustss   52:        void    (*cursor)(void *c, int on, int row, int col);
                     53:        int     (*mapchar)(void *, int, unsigned int *);
                     54:        void    (*putchar)(void *c, int row, int col, u_int uc, long attr);
                     55:        void    (*copycols)(void *c, int row, int srccol, int dstcol,int ncols);
                     56:        void    (*erasecols)(void *c, int row, int startcol, int ncols, long);
                     57:        void    (*copyrows)(void *c, int srcrow, int dstrow, int nrows);
                     58:        void    (*eraserows)(void *c, int row, int nrows, long);
1.22      junyoung   59:        int     (*allocattr)(void *c, int fg, int bg, int flags, long *);
1.2       drochner   60: /* fg / bg values. Made identical to ANSI terminal color codes. */
                     61: #define WSCOL_BLACK    0
                     62: #define WSCOL_RED      1
                     63: #define WSCOL_GREEN    2
                     64: #define WSCOL_BROWN    3
                     65: #define WSCOL_BLUE     4
                     66: #define WSCOL_MAGENTA  5
                     67: #define WSCOL_CYAN     6
                     68: #define WSCOL_WHITE    7
                     69: /* flag values: */
                     70: #define WSATTR_REVERSE 1
                     71: #define WSATTR_HILIT   2
                     72: #define WSATTR_BLINK   4
                     73: #define WSATTR_UNDERLINE 8
                     74: #define WSATTR_WSCOLORS 16
                     75:        /* XXX need a free_attr() ??? */
1.1       drochner   76: };
                     77:
                     78: struct wsscreen_descr {
                     79:        char *name;
                     80:        int ncols, nrows;
                     81:        const struct wsdisplay_emulops *textops;
                     82:        int fontwidth, fontheight;
1.2       drochner   83:        int capabilities;
                     84: #define WSSCREEN_WSCOLORS      1       /* minimal color capability */
                     85: #define WSSCREEN_REVERSE       2       /* can display reversed */
                     86: #define WSSCREEN_HILIT         4       /* can highlight (however) */
                     87: #define WSSCREEN_BLINK         8       /* can blink */
                     88: #define WSSCREEN_UNDERLINE     16      /* can underline */
1.23      junyoung   89:        void *modecookie;
1.1       drochner   90: };
                     91:
1.9       drochner   92: struct wsdisplay_font;
1.21      christos   93: struct wsdisplay_char;
1.1       drochner   94: /*
                     95:  * Display access functions, invoked by user-land programs which require
                     96:  * direct device access, such as X11.
                     97:  *
                     98:  * There is a "void *" cookie provided by the display driver associated
                     99:  * with these functions, which is passed to them when they are invoked.
                    100:  */
                    101: struct wsdisplay_accessops {
1.20      augustss  102:        int     (*ioctl)(void *v, u_long cmd, caddr_t data, int flag,
1.25    ! fvdl      103:                    struct proc *p);
1.20      augustss  104:        paddr_t (*mmap)(void *v, off_t off, int prot);
                    105:        int     (*alloc_screen)(void *, const struct wsscreen_descr *,
                    106:                                     void **, int *, int *, long *);
                    107:        void    (*free_screen)(void *, void *);
                    108:        int     (*show_screen)(void *, void *, int,
                    109:                                    void (*) (void *, int, int), void *);
                    110:        int     (*load_font)(void *, void *, struct wsdisplay_font *);
                    111:        void    (*pollc)(void *, int);
1.21      christos  112:        int     (*getwschar)(void *, struct wsdisplay_char *);
                    113:        int     (*putwschar)(void *, struct wsdisplay_char *);
1.1       drochner  114: };
                    115:
                    116: /*
                    117:  * Attachment information provided by wsdisplaydev devices when attaching
                    118:  * wsdisplay units.
                    119:  */
                    120: struct wsdisplaydev_attach_args {
                    121:        const struct wsdisplay_accessops *accessops;    /* access ops */
                    122:        void    *accesscookie;                          /* access cookie */
                    123: };
                    124:
                    125: /* passed to wscons by the video driver to tell about its capabilities */
                    126: struct wsscreen_list {
                    127:        int nscreens;
                    128:        const struct wsscreen_descr **screens;
                    129: };
                    130:
                    131: /*
                    132:  * Attachment information provided by wsemuldisplaydev devices when attaching
                    133:  * wsdisplay units.
                    134:  */
                    135: struct wsemuldisplaydev_attach_args {
                    136:        int     console;                                /* is it console? */
1.2       drochner  137:        const struct wsscreen_list *scrdata;            /* screen cfg info */
1.1       drochner  138:        const struct wsdisplay_accessops *accessops;    /* access ops */
                    139:        void    *accesscookie;                          /* access cookie */
                    140: };
                    141:
1.6       augustss  142: #include "locators.h"
                    143:
                    144: #define        wsemuldisplaydevcf_console      cf_loc[WSEMULDISPLAYDEVCF_CONSOLE]      /* spec'd as console? */
                    145: #define        WSEMULDISPLAYDEVCF_CONSOLE_UNK  (WSEMULDISPLAYDEVCF_CONSOLE_DEFAULT)
1.19      augustss  146: #define        wsemuldisplaydevcf_kbdmux       cf_loc[WSEMULDISPLAYDEVCF_KBDMUX]
                    147: #define        wsdisplaydevcf_kbdmux           cf_loc[WSDISPLAYDEVCF_KBDMUX]
1.1       drochner  148:
1.3       drochner  149: struct wscons_syncops {
1.20      augustss  150:        int (*detach)(void *, int, void (*)(void *, int, int), void *);
                    151:        int (*attach)(void *, int, void (*)(void *, int, int), void *);
                    152:        int (*check)(void *);
                    153:        void (*destroy)(void *);
1.3       drochner  154: };
                    155:
1.1       drochner  156: /*
                    157:  * Autoconfiguration helper functions.
                    158:  */
1.20      augustss  159: void   wsdisplay_cnattach(const struct wsscreen_descr *, void *,int,int, long);
                    160: int    wsdisplaydevprint(void *, const char *);
                    161: int    wsemuldisplaydevprint(void *, const char *);
1.1       drochner  162:
                    163: /*
                    164:  * Console interface.
                    165:  */
1.20      augustss  166: void   wsdisplay_cnputc(dev_t dev, int i);
1.3       drochner  167:
                    168: /*
                    169:  * for use by compatibility code
                    170:  */
                    171: struct wsdisplay_softc;
                    172: struct wsscreen;
1.20      augustss  173: int wsscreen_attach_sync(struct wsscreen *,
                    174:                         const struct wscons_syncops *, void *);
                    175: int wsscreen_detach_sync(struct wsscreen *);
                    176: int wsscreen_lookup_sync(struct wsscreen *,
                    177:                         const struct wscons_syncops *, void **);
                    178:
                    179: int wsdisplay_maxscreenidx(struct wsdisplay_softc *);
                    180: int wsdisplay_screenstate(struct wsdisplay_softc *, int);
                    181: int wsdisplay_getactivescreen(struct wsdisplay_softc *);
                    182: int wsscreen_switchwait(struct wsdisplay_softc *, int);
                    183:
                    184: int wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *,
1.25    ! fvdl      185:                             u_long cmd, caddr_t data,int flag, struct proc *p);
1.20      augustss  186:
                    187: int wsdisplay_usl_ioctl1(struct wsdisplay_softc *,
1.25    ! fvdl      188:                         u_long, caddr_t, int, struct proc *);
1.20      augustss  189:
                    190: int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *,
1.25    ! fvdl      191:                         u_long, caddr_t, int, struct proc *);
1.20      augustss  192:
1.21      christos  193: int wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
1.25    ! fvdl      194:                         int flag, struct proc *p);
1.21      christos  195:
1.20      augustss  196: int wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
1.25    ! fvdl      197:                        int flag, struct proc *p);
1.21      christos  198:
                    199: int wsdisplay_stat_inject(struct device *dev, u_int type, int value);
1.12      jdolecek  200:
                    201: /*
                    202:  * for general use
                    203:  */
1.16      takemura  204: #define WSDISPLAY_NULLSCREEN   -1
1.20      augustss  205: void wsdisplay_switchtoconsole(void);
1.17      lukem     206: const struct wsscreen_descr *
1.20      augustss  207:     wsdisplay_screentype_pick(const struct wsscreen_list *, const char *);

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