screen.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        screen.h,v $
   29  * Revision 2.9  92/05/22  15:48:29  jfriedl
   30  *      Added SCREEN_BEING_UPDATED flag value.
   31  *      [92/05/21  18:50:43  af]
   32  * 
   33  *      Weird devices, weird fixes.
   34  *      [92/05/20  22:47:05  af]
   35  * 
   36  *      Various renames to make 2D/3D drivers work.
   37  *      [92/05/13  20:46:35  af]
   38  * 
   39  * Revision 2.8  91/08/24  11:53:04  af
   40  *      Added frame size related defs, and get_status call.
   41  *      [91/08/02  02:05:23  af]
   42  * 
   43  * Revision 2.7  91/06/19  11:54:17  rvb
   44  *      File moved here from mips/PMAX since it tries to be generic;
   45  *      it is used on the PMAX and the Vax3100.
   46  *      [91/06/04            rvb]
   47  * 
   48  * Revision 2.6  91/05/14  17:27:25  mrt
   49  *      Correcting copyright
   50  * 
   51  * Revision 2.5  91/03/16  14:54:40  rpd
   52  *      Fixed ioctl definitions for ANSI C.
   53  *      [91/02/20            rpd]
   54  * 
   55  * Revision 2.4  91/02/05  17:44:13  mrt
   56  *      Added author notices
   57  *      [91/02/04  11:17:36  mrt]
   58  * 
   59  *      Changed to use new Mach copyright
   60  *      [91/02/02  12:16:09  mrt]
   61  * 
   62  * Revision 2.3  90/12/05  23:34:10  af
   63  *      Works on both 3maxen and pmaxen.
   64  *      [90/12/03  23:35:23  af]
   65  * 
   66  * Revision 2.1.1.1  90/11/01  03:41:33  af
   67  *      Created.
   68  *      [90/09/03            af]
   69  */
   70 /*
   71  *      File: screen.h
   72  *      Author: Alessandro Forin, Carnegie Mellon University
   73  *      Date:   9/90
   74  *
   75  *      Definitions for the Generic Screen Driver.
   76  */
   77 
   78 /*
   79  * Most of these structures are defined so that the
   80  * resulting structure mapped to user space appears
   81  * to be compatible with the one used by the DEC X
   82  * servers (pm_info..). Keep it that way and the
   83  * X servers will keep on running.
   84  */
   85 
   86 /*
   87  * Generic structures and defines
   88  */
   89 
   90 /* colors */
   91 typedef struct {
   92         unsigned short  red;
   93         unsigned short  green;
   94         unsigned short  blue;
   95 } color_map_t;
   96 
   97 typedef struct {
   98         short           unused;
   99         unsigned short  index;
  100         color_map_t     value;
  101 } color_map_entry_t;
  102 
  103 typedef struct {
  104         unsigned int    Bg_rgb[3];
  105         unsigned int    Fg_rgb[3];
  106 } cursor_color_t;
  107 
  108 /* generic input event */
  109 typedef struct {
  110         short           x;              /* x position */
  111         short           y;              /* y position */
  112         unsigned int    time;           /* 1 millisecond units */
  113 
  114         unsigned char   type;           /* button up/down/raw or motion */
  115 #       define  EVT_BUTTON_UP           0
  116 #       define  EVT_BUTTON_DOWN         1
  117 #       define  EVT_BUTTON_RAW          2
  118 #       define  EVT_PTR_MOTION          3
  119 
  120         unsigned char   key;            /* the key (button only) */
  121 #       define  KEY_LEFT_BUTTON         1
  122 #       define  KEY_MIDDLE_BUTTON       2
  123 #       define  KEY_RIGHT_BUTTON        3
  124 #       define  KEY_TBL_LEFT_BUTTON     0
  125 #       define  KEY_TBL_FRONT_BUTTON    1
  126 #       define  KEY_TBL_RIGHT_BUTTON    2
  127 #       define  KEY_TBL_BACK_BUTTON     3
  128 
  129         unsigned char   index;          /* which instance of device */
  130 
  131         unsigned char   device;         /* which device */
  132 #       define  DEV_NULL                0
  133 #       define  DEV_MOUSE               1
  134 #       define  DEV_KEYBD               2
  135 #       define  DEV_TABLET              3
  136 #       define  DEV_AUX                 4
  137 #       define  DEV_CONSOLE             5
  138 #       define  DEV_KNOB                8
  139 #       define  DEV_JOYSTICK            9
  140 
  141 } screen_event_t;
  142 
  143 /* timed coordinate info */
  144 typedef struct {
  145         unsigned int    time;
  146         short           x, y;
  147 } screen_timed_point_t;
  148 
  149 /* queue of input events, and ring of mouse motions track */
  150 typedef struct {
  151         screen_event_t  *events;
  152         unsigned int    q_size;
  153         unsigned int    q_head;
  154         unsigned int    q_tail;
  155         unsigned        long    timestamp;
  156         screen_timed_point_t    *track;
  157         unsigned int    t_size;
  158         unsigned int    t_next;
  159 } screen_evque_t;
  160 
  161 /* mouse/cursor position */
  162 typedef struct {
  163         short x;
  164         short y;
  165 } screen_point_t;
  166 
  167 /* mouse motion bounding boxes */
  168 typedef struct {
  169         short bottom;
  170         short right;
  171         short left;
  172         short top;
  173 } screen_rect_t;
  174 
  175 /*
  176  * Here it is, each field is marked as
  177  *
  178  * Kset : kernel sets it unconditionally
  179  * Kuse : kernel uses it, safely
  180  * Kdep : kernel might depend on it
  181  */
  182 typedef struct {
  183   screen_evque_t        evque;          /* Kset, Kuse */
  184   short                 mouse_buttons;  /* Kset */
  185   screen_point_t        xx3     /*tablet*/;
  186   short                 xx4     /*tswitches*/;
  187   screen_point_t        cursor;         /* Kset */
  188   short                 row;            /* Kdep */
  189   short                 col;            /* Kdep */
  190   short                 max_row;        /* Kdep */
  191   short                 max_col;        /* Kdep */
  192   short                 max_x;          /* Kset */
  193   short                 max_y;          /* Kset */
  194   short                 max_cur_x;      /* Kdep */
  195   short                 max_cur_y;      /* Kdep */
  196   int                   version;        /* Kset */
  197   union {
  198     struct {
  199         unsigned char * bitmap;         /* Kset */
  200         short *         x16     /*scanmap*/;
  201         short *         x17     /*cursorbits*/;
  202         short *         x18     /*pmaddr*/;
  203         unsigned char * planemask;      /* Kset */
  204     } pm;
  205     struct {
  206         int             x15     /* flags */;
  207         int *           gram    /* Kset */;
  208         int *           rb_addr /* Kset */;
  209         int             rb_phys /* Kset */;
  210         int             rb_size /* Kset */;
  211     } gx;
  212   } dev_dep_1;
  213   screen_point_t        mouse_loc;      /* Kdep */
  214   screen_rect_t         mouse_box;      /* Kdep */
  215   short                 mouse_threshold;/* Kuse */
  216   short                 mouse_scale;    /* Kuse */
  217   short                 min_cur_x;      /* Kdep */
  218   short                 min_cur_y;      /* Kdep */
  219   union {
  220     struct {
  221         int             x26     /*dev_type*/;
  222         char *          x27     /*framebuffer*/;
  223         char *          x28     /*volatile struct bt459 *bt459*/;
  224         int             x29     /*slot*/;
  225         char            cursor_sprite[1024];/* Kset */
  226         unsigned char   Bg_color[3];    /* Kset */
  227         unsigned char   Fg_color[3];    /* Kset */
  228         int             tablet_scale_x; /* Kuse */
  229         int             tablet_scale_y; /* Kuse */
  230     } pm;
  231     struct {
  232         char *          gxo             /* Kset */;
  233         char            stamp_width     /* Kset */;
  234         char            stamp_height    /* Kset */;
  235         char            nplanes         /* Kset */;
  236         char            x27_4   /* n10_present */;
  237         char            x28_1   /* dplanes */;
  238         char            zplanes         /* Kset */;
  239         char            zzplanes        /* Kset */;
  240         unsigned char   cursor_sprite[1024]     /* Kuse */;
  241         char            x285_0          /* padding for next, which was int */;
  242         unsigned char   Fg_color[4]     /* Kuse */;
  243         unsigned char   Bg_color[4]     /* Kuse */;
  244         unsigned short  cmap_index      /* Kuse */;
  245         unsigned short  cmap_count      /* Kuse */;
  246         unsigned int    colormap[256]   /* Kuse */;
  247         int *           stic_dma_rb     /* Kset */;
  248         int *           stic_reg        /* Kset */;
  249         int             ptpt_phys       /* Kdep */;
  250         int             ptpt_size       /* Kdep */;
  251         int *           ptpt_pgin       /* Kset */;
  252     } gx;
  253   } dev_dep_2;
  254   short         frame_scanline_width;   /* in pixels, Kset */
  255   short         frame_height;           /* in scanlines, Kset */
  256   /*
  257    * Event queues are allocated right after that
  258    */
  259 #define MAX_EVENTS      64
  260 #define MAX_TRACK       100
  261   screen_event_t        event_queue[MAX_EVENTS]; /* Kset */
  262   screen_timed_point_t  point_track[MAX_TRACK];  /* Kset */
  263   /*
  264    * Some like it hot
  265    */
  266   unsigned int          event_id;
  267   int                   interrupt_info;
  268 } user_info_t;
  269 
  270 
  271 /*
  272  * Screen get_status codes and arguments
  273  */
  274 #include <sys/ioctl.h>
  275 
  276         /* Get size (and offset) of mapped info */
  277 #define SCREEN_GET_OFFSETS      _IOR('q', 6, unsigned **)
  278 
  279         /* Get screen status flags */
  280 #define SCREEN_STATUS_FLAGS     _IOR('q', 22, int *)
  281 #       define  MONO_SCREEN     0x01
  282 #       define  COLOR_SCREEN    0x02
  283 #       define  SCREEN_BEING_UPDATED 0x04
  284 
  285 /*
  286  * Screen set_status codes and arguments
  287  */
  288 
  289         /* start/stop screen saver, control fading interval */
  290 #define SCREEN_FADE             _IOW('q', 114, int)     /* fade screen */
  291 #       define  NO_FADE         -1
  292 
  293         /* Turn video on/off manually */
  294 #define SCREEN_ON               _IO('q', 10)
  295 #define SCREEN_OFF              _IO('q', 11)
  296 
  297         /* Fixup pointers inside mapped info structure */
  298 #define SCREEN_ADJ_MAPPED_INFO  _IOR('q', 1, user_info_t *)
  299 
  300         /* Initialize anything that needs to, hw-wise */
  301 #define SCREEN_INIT             _IO('q', 4)
  302 
  303         /* Position cursor to a specific spot */
  304 #define SCREEN_SET_CURSOR       _IOW('q', 2, screen_point_t)
  305 
  306         /* Load Bg/Fg colors for cursor */
  307 #define SCREEN_SET_CURSOR_COLOR _IOW('q', 3, cursor_color_t)
  308 
  309         /* Load cursor sprite, small cursor form */
  310 typedef unsigned short cursor_sprite_t[32];
  311 
  312 #define SCREEN_LOAD_CURSOR      _IOW('q', 7, cursor_sprite_t)
  313 
  314         /* Load cursor sprite, large 64x64 cursor form */
  315 typedef char cursor_sprite_long_t[1024];
  316 
  317 #define SCREEN_LOAD_CURSOR_LONG _IOW('q', 13, cursor_sprite_long_t)
  318 
  319         /* Modify a given entry in the color map (VDAC) */
  320 #define SCREEN_SET_CMAP_ENTRY   _IOW('q', 12, color_map_entry_t)
  321 
  322         /* Return some other information about hardware (optional) */
  323 typedef struct {
  324         int     frame_width;
  325         int     frame_height;
  326         int     frame_visible_width;
  327         int     frame_visible_height;
  328 } screen_hw_info_t;
  329 #define SCREEN_HARDWARE_INFO    _IOR('q', 23, screen_hw_info_t)
  330 
  331         /* Screen-dependent, unspecified (and despised) */
  332 #define SCREEN_HARDWARE_DEP     _IO('q', 24)
  333
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FreeBSD/Linux Kernel Cross Reference sys/chips/screen.h

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sys/chips/screen.h
