usr/src/uts/common/sys/tem_impl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
  28
  29 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T   */
  30 /*        All Rights Reserved   */
  31
  32 #ifndef _SYS_TEM_IMPL_H
  33 #define _SYS_TEM_IMPL_H
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 #include <sys/types.h>
  40 #include <sys/sunddi.h>
  41 #include <sys/sunldi.h>
  42 #include <sys/visual_io.h>
  43 #include <sys/font.h>
  44 #include <sys/list.h>
  45 #include <sys/tem.h>
  46 #include <sys/note.h>
  47
  48 /*
  49  * definitions for ANSI x3.64 terminal control language parser
  50  */
  51
  52 #define TEM_MAXPARAMS   5       /* maximum number of ANSI paramters */
  53 #define TEM_MAXTAB      40      /* maximum number of tab stops */
  54 #define TEM_MAXFKEY     30      /* max length of function key with <ESC>Q */
  55 #define MAX_TEM         2       /* max number of loadable terminal emulators */
  56
  57 #define TEM_SCROLL_UP           0
  58 #define TEM_SCROLL_DOWN         1
  59 #define TEM_SHIFT_LEFT          0
  60 #define TEM_SHIFT_RIGHT         1
  61
  62 #define TEM_ATTR_NORMAL         0x0000
  63 #define TEM_ATTR_REVERSE        0x0001
  64 #define TEM_ATTR_BOLD           0x0002
  65 #define TEM_ATTR_BLINK          0x0004
  66 #define TEM_ATTR_TRANSPARENT    0x0008
  67 #define TEM_ATTR_SCREEN_REVERSE 0x0010
  68 #define TEM_ATTR_BRIGHT_FG      0x0020
  69 #define TEM_ATTR_BRIGHT_BG      0x0040
  70
  71 #define ANSI_COLOR_BLACK        0
  72 #define ANSI_COLOR_WHITE        7
  73
  74 #define TEM_TEXT_WHITE          0
  75 #define TEM_TEXT_BLACK          1
  76 #define TEM_TEXT_BLACK24_RED    0x00
  77 #define TEM_TEXT_BLACK24_GREEN  0x00
  78 #define TEM_TEXT_BLACK24_BLUE   0x00
  79 #define TEM_TEXT_WHITE24_RED    0xff
  80 #define TEM_TEXT_WHITE24_GREEN  0xff
  81 #define TEM_TEXT_WHITE24_BLUE   0xff
  82
  83 #define A_STATE_START                   0
  84 #define A_STATE_ESC                     1
  85 #define A_STATE_CSI                     2
  86 #define A_STATE_CSI_QMARK               3
  87 #define A_STATE_CSI_EQUAL               4
  88
  89 /*
  90  * Default number of rows and columns
  91  */
  92 #define TEM_DEFAULT_ROWS        34
  93 #define TEM_DEFAULT_COLS        80
  94
  95 /*
  96  * Default foreground/background color
  97  */
  98
  99 #ifdef _HAVE_TEM_FIRMWARE
 100 #define DEFAULT_ANSI_FOREGROUND ANSI_COLOR_BLACK
 101 #define DEFAULT_ANSI_BACKGROUND ANSI_COLOR_WHITE
 102 #else /* _HAVE_TEM_FIRMWARE */
 103 #define DEFAULT_ANSI_FOREGROUND ANSI_COLOR_WHITE
 104 #define DEFAULT_ANSI_BACKGROUND ANSI_COLOR_BLACK
 105 #endif
 106
 107
 108 #define BUF_LEN         160 /* Two lines of data can be processed at a time */
 109
 110 typedef uint32_t tem_char_t;    /* 32bit char to support UTF-8 */
 111 typedef uint8_t text_color_t;
 112
 113 typedef struct tem_color {
 114         text_color_t    fg_color;
 115         text_color_t    bg_color;
 116         unsigned short  a_flags;
 117 } tem_color_t;
 118
 119 enum called_from { CALLED_FROM_NORMAL, CALLED_FROM_STANDALONE };
 120
 121 struct tem_pix_pos {
 122         screen_pos_t    x;
 123         screen_pos_t    y;
 124 };
 125
 126 struct tem_char_pos {
 127         screen_pos_t    col;
 128         screen_pos_t    row;
 129 };
 130
 131 struct tem_size {
 132         screen_size_t   width;
 133         screen_size_t   height;
 134 };
 135
 136 typedef struct {
 137         uint8_t red[16];
 138         uint8_t green[16];
 139         uint8_t blue[16];
 140 } text_cmap_t;
 141
 142 extern text_cmap_t cmap4_to_24;
 143
 144 /*
 145  * State structure for each virtual terminal emulator
 146  */
 147 struct tem_vt_state {
 148         kmutex_t        tvs_lock;
 149         uchar_t         tvs_fbmode;     /* framebuffer mode */
 150         unsigned short  tvs_flags;      /* flags for this x3.64 terminal */
 151         int             tvs_state;      /* state in output esc seq processing */
 152         boolean_t       tvs_gotparam;   /* does output esc seq have a param */
 153
 154         int     tvs_curparam;   /* current param # of output esc seq */
 155         int     tvs_paramval;   /* value of current param */
 156         int     tvs_params[TEM_MAXPARAMS];  /* parameters of output esc seq */
 157         screen_pos_t    tvs_tabs[TEM_MAXTAB];   /* tab stops */
 158         int     tvs_ntabs;              /* number of tabs used */
 159         int     tvs_nscroll;            /* number of lines to scroll */
 160
 161         struct tem_char_pos tvs_s_cursor;       /* start cursor position */
 162         struct tem_char_pos tvs_c_cursor;       /* current cursor position */
 163         struct tem_char_pos tvs_r_cursor;       /* remembered cursor position */
 164
 165         unsigned char   *tvs_outbuf;    /* place to keep incomplete lines */
 166         int             tvs_outbuf_size;
 167         int             tvs_outindex;   /* index into a_outbuf */
 168         void            *tvs_pix_data;  /* pointer to tmp bitmap area */
 169         int             tvs_pix_data_size;
 170         text_color_t    tvs_fg_color;
 171         text_color_t    tvs_bg_color;
 172         int             tvs_first_line; /* kernel console output begins */
 173
 174         unsigned char   *tvs_screen_buf;        /* whole screen buffer */
 175         int             tvs_screen_buf_size;
 176         text_color_t    *tvs_fg_buf;    /* fg_color attribute cache */
 177         text_color_t    *tvs_bg_buf;    /* bg_color attribute cache */
 178         int             tvs_color_buf_size;
 179
 180         unsigned        tvs_utf8_left;          /* UTF-8 code points */
 181         tem_char_t      tvs_utf8_partial;       /* UTF-8 char being completed */
 182
 183         boolean_t       tvs_isactive;
 184         int             tvs_initialized;        /* initialization flag */
 185
 186         list_node_t     tvs_list_node;
 187 };
 188 _NOTE(MUTEX_PROTECTS_DATA(tem_vt_state::tvs_lock, tem_vt_state))
 189
 190 typedef struct tem_safe_callbacks {
 191         void (*tsc_display)(struct tem_vt_state *, unsigned char *, int,
 192             screen_pos_t, screen_pos_t, unsigned char, unsigned char,
 193             cred_t *, enum called_from);
 194         void (*tsc_copy)(struct tem_vt_state *,
 195             screen_pos_t, screen_pos_t, screen_pos_t, screen_pos_t,
 196             screen_pos_t, screen_pos_t, cred_t *, enum called_from);
 197         void (*tsc_cursor)(struct tem_vt_state *, short, cred_t *,
 198             enum called_from);
 199         void (*tsc_bit2pix)(struct tem_vt_state *, unsigned char,
 200             unsigned char, unsigned char);
 201         void (*tsc_cls)(struct tem_vt_state *, int,
 202             screen_pos_t, screen_pos_t, cred_t *, enum called_from);
 203 } tem_safe_callbacks_t;
 204
 205 /*
 206  * common term soft state structure shared by all virtual terminal emulators
 207  */
 208 typedef struct tem_state {
 209         ldi_handle_t    ts_hdl; /* Framework handle for layered on dev */
 210         screen_size_t   ts_linebytes;   /* Layered on bytes per scan line */
 211
 212         int     ts_display_mode;        /* What mode we are in */
 213         struct  vis_polledio    *ts_fb_polledio;
 214
 215         struct tem_size ts_c_dimension; /* window dimensions in characters */
 216         struct tem_size ts_p_dimension; /* screen dimensions in pixels */
 217         struct tem_pix_pos ts_p_offset; /* pix offset to center the display */
 218
 219         int     ts_pix_data_size;       /* size of bitmap data areas */
 220         int     ts_pdepth;              /* pixel depth */
 221         struct font     ts_font;        /* font table */
 222
 223         unsigned char   *ts_blank_line; /* a blank line for scrolling */
 224         tem_safe_callbacks_t    *ts_callbacks;  /* internal output functions */
 225
 226         int     ts_initialized;         /* initialization flag */
 227
 228         tem_modechg_cb_t        ts_modechg_cb;
 229         tem_modechg_cb_arg_t    ts_modechg_arg;
 230
 231         tem_color_t     ts_init_color; /* initial color and attributes */
 232
 233         struct tem_vt_state     *ts_active;
 234         kmutex_t        ts_lock;
 235         list_t          ts_list;        /* chain of all tems */
 236 } tem_state_t;
 237
 238 extern tem_state_t tems;
 239 extern tem_safe_callbacks_t tem_safe_text_callbacks;
 240 extern tem_safe_callbacks_t tem_safe_pix_callbacks;
 241
 242
 243 /*
 244  * tems_* fuctions mean that they just operate on the common soft state
 245  * (tem_state_t), and tem_* functions mean that they operate on the
 246  * per-tem structure (tem_vt_state). All "safe" interfaces are in tem_safe.c.
 247  */
 248 void    tems_display_layered(struct vis_consdisplay *, cred_t *);
 249 void    tems_copy_layered(struct vis_conscopy *, cred_t *);
 250 void    tems_cursor_layered(struct vis_conscursor *, cred_t *);
 251 void    tems_safe_copy(struct vis_conscopy *, cred_t *, enum called_from);
 252
 253 void    tem_pix_align(struct tem_vt_state *, cred_t *, enum called_from);
 254 void    tem_safe_check_first_time(struct tem_vt_state *tem, cred_t *,
 255             enum called_from);
 256 void    tem_safe_reset_display(struct tem_vt_state *, cred_t *,
 257             enum called_from, boolean_t, boolean_t);
 258 void    tem_safe_terminal_emulate(struct tem_vt_state *, uchar_t *, int,
 259             cred_t *, enum called_from);
 260 void    tem_safe_text_display(struct tem_vt_state *, uchar_t *,
 261             int, screen_pos_t, screen_pos_t,
 262             text_color_t, text_color_t,
 263             cred_t *, enum called_from);
 264 void    tem_safe_text_copy(struct tem_vt_state *,
 265             screen_pos_t, screen_pos_t,
 266             screen_pos_t, screen_pos_t,
 267             screen_pos_t, screen_pos_t,
 268             cred_t *, enum called_from);
 269 void    tem_safe_text_cursor(struct tem_vt_state *, short, cred_t *,
 270             enum called_from);
 271 void    tem_safe_text_cls(struct tem_vt_state *,
 272             int count, screen_pos_t row, screen_pos_t col,
 273             cred_t *credp, enum called_from called_from);
 274 void    tem_safe_pix_display(struct tem_vt_state *, uchar_t *,
 275             int, screen_pos_t, screen_pos_t,
 276             text_color_t, text_color_t,
 277             cred_t *, enum called_from);
 278 void    tem_safe_pix_copy(struct tem_vt_state *,
 279             screen_pos_t, screen_pos_t,
 280             screen_pos_t, screen_pos_t,
 281             screen_pos_t, screen_pos_t,
 282             cred_t *, enum called_from);
 283 void    tem_safe_pix_cursor(struct tem_vt_state *, short, cred_t *,
 284             enum called_from);
 285 void    tem_safe_pix_bit2pix(struct tem_vt_state *, unsigned char,
 286             unsigned char, unsigned char);
 287 void    tem_safe_pix_cls(struct tem_vt_state *, int, screen_pos_t, screen_pos_t,
 288             cred_t *, enum called_from);
 289 void    tem_safe_pix_cls_range(struct tem_vt_state *,
 290             screen_pos_t, int, int,
 291             screen_pos_t, int, int,
 292             boolean_t, cred_t *, enum called_from);
 293
 294 void    tem_safe_pix_clear_entire_screen(struct tem_vt_state *,
 295             cred_t *, enum called_from);
 296
 297 void    tem_safe_get_color(struct tem_vt_state *, text_color_t *,
 298             text_color_t *, uint8_t);
 299
 300 void    tem_safe_blank_screen(struct tem_vt_state *, cred_t *,
 301             enum called_from);
 302 void    tem_safe_unblank_screen(struct tem_vt_state *, cred_t *,
 303             enum called_from);
 304
 305 #ifdef __cplusplus
 306 }
 307 #endif
 308
 309 #endif /* _SYS_TEM_IMPL_H */