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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [console_struct.h] - Blame information for rev 81

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Line No. Rev Author Line
1 62 marcus.erl
/*
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 * console_struct.h
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 *
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 * Data structure describing single virtual console except for data
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 * used by vt.c.
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 *
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 * Fields marked with [#] must be set by the low-level driver.
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 * Fields marked with [!] can be changed by the low-level driver
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 * to achieve effects such as fast scrolling by changing the origin.
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 */
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#ifndef _LINUX_CONSOLE_STRUCT_H
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#define _LINUX_CONSOLE_STRUCT_H
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#include <linux/wait.h>
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#include <linux/vt.h>
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#include <linux/workqueue.h>
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struct vt_struct;
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#define NPAR 16
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struct vc_data {
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        unsigned short  vc_num;                 /* Console number */
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        unsigned int    vc_cols;                /* [#] Console size */
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        unsigned int    vc_rows;
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        unsigned int    vc_size_row;            /* Bytes per row */
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        unsigned int    vc_scan_lines;          /* # of scan lines */
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        unsigned long   vc_origin;              /* [!] Start of real screen */
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        unsigned long   vc_scr_end;             /* [!] End of real screen */
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        unsigned long   vc_visible_origin;      /* [!] Top of visible window */
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        unsigned int    vc_top, vc_bottom;      /* Scrolling region */
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        const struct consw *vc_sw;
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        unsigned short  *vc_screenbuf;          /* In-memory character/attribute buffer */
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        unsigned int    vc_screenbuf_size;
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        unsigned char   vc_mode;                /* KD_TEXT, ... */
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        /* attributes for all characters on screen */
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        unsigned char   vc_attr;                /* Current attributes */
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        unsigned char   vc_def_color;           /* Default colors */
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        unsigned char   vc_color;               /* Foreground & background */
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        unsigned char   vc_s_color;             /* Saved foreground & background */
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        unsigned char   vc_ulcolor;             /* Color for underline mode */
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        unsigned char   vc_itcolor;
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        unsigned char   vc_halfcolor;           /* Color for half intensity mode */
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        /* cursor */
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        unsigned int    vc_cursor_type;
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        unsigned short  vc_complement_mask;     /* [#] Xor mask for mouse pointer */
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        unsigned short  vc_s_complement_mask;   /* Saved mouse pointer mask */
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        unsigned int    vc_x, vc_y;             /* Cursor position */
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        unsigned int    vc_saved_x, vc_saved_y;
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        unsigned long   vc_pos;                 /* Cursor address */
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        /* fonts */
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        unsigned short  vc_hi_font_mask;        /* [#] Attribute set for upper 256 chars of font or 0 if not supported */
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        struct console_font vc_font;            /* Current VC font set */
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        unsigned short  vc_video_erase_char;    /* Background erase character */
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        /* VT terminal data */
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        unsigned int    vc_state;               /* Escape sequence parser state */
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        unsigned int    vc_npar,vc_par[NPAR];   /* Parameters of current escape sequence */
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        struct tty_struct *vc_tty;              /* TTY we are attached to */
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        /* data for manual vt switching */
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        struct vt_mode  vt_mode;
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        struct pid      *vt_pid;
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        int             vt_newvt;
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        wait_queue_head_t paste_wait;
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        /* mode flags */
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        unsigned int    vc_charset      : 1;    /* Character set G0 / G1 */
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        unsigned int    vc_s_charset    : 1;    /* Saved character set */
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        unsigned int    vc_disp_ctrl    : 1;    /* Display chars < 32? */
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        unsigned int    vc_toggle_meta  : 1;    /* Toggle high bit? */
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        unsigned int    vc_decscnm      : 1;    /* Screen Mode */
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        unsigned int    vc_decom        : 1;    /* Origin Mode */
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        unsigned int    vc_decawm       : 1;    /* Autowrap Mode */
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        unsigned int    vc_deccm        : 1;    /* Cursor Visible */
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        unsigned int    vc_decim        : 1;    /* Insert Mode */
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        unsigned int    vc_deccolm      : 1;    /* 80/132 Column Mode */
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        /* attribute flags */
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        unsigned int    vc_intensity    : 2;    /* 0=half-bright, 1=normal, 2=bold */
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        unsigned int    vc_italic:1;
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        unsigned int    vc_underline    : 1;
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        unsigned int    vc_blink        : 1;
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        unsigned int    vc_reverse      : 1;
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        unsigned int    vc_s_intensity  : 2;    /* saved rendition */
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        unsigned int    vc_s_italic:1;
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        unsigned int    vc_s_underline  : 1;
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        unsigned int    vc_s_blink      : 1;
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        unsigned int    vc_s_reverse    : 1;
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        /* misc */
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        unsigned int    vc_ques         : 1;
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        unsigned int    vc_need_wrap    : 1;
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        unsigned int    vc_can_do_color : 1;
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        unsigned int    vc_report_mouse : 2;
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        unsigned int    vc_kmalloced    : 1;
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        unsigned char   vc_utf          : 1;    /* Unicode UTF-8 encoding */
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        unsigned char   vc_utf_count;
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                 int    vc_utf_char;
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        unsigned int    vc_tab_stop[8];         /* Tab stops. 256 columns. */
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        unsigned char   vc_palette[16*3];       /* Colour palette for VGA+ */
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        unsigned short * vc_translate;
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        unsigned char   vc_G0_charset;
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        unsigned char   vc_G1_charset;
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        unsigned char   vc_saved_G0;
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        unsigned char   vc_saved_G1;
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        unsigned int    vc_resize_user;         /* resize request from user */
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        unsigned int    vc_bell_pitch;          /* Console bell pitch */
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        unsigned int    vc_bell_duration;       /* Console bell duration */
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        struct vc_data **vc_display_fg;         /* [!] Ptr to var holding fg console for this display */
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        unsigned long   vc_uni_pagedir;
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        unsigned long   *vc_uni_pagedir_loc;  /* [!] Location of uni_pagedir variable for this console */
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        /* additional information is in vt_kern.h */
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};
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struct vc {
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        struct vc_data *d;
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        struct work_struct SAK_work;
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        /* might add  scrmem, vt_struct, kbd  at some time,
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           to have everything in one place - the disadvantage
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           would be that vc_cons etc can no longer be static */
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};
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extern struct vc vc_cons [MAX_NR_CONSOLES];
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extern void vc_SAK(struct work_struct *work);
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#define CUR_DEF         0
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#define CUR_NONE        1
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#define CUR_UNDERLINE   2
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#define CUR_LOWER_THIRD 3
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#define CUR_LOWER_HALF  4
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#define CUR_TWO_THIRDS  5
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#define CUR_BLOCK       6
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#define CUR_HWMASK      0x0f
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#define CUR_SWMASK      0xfff0
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#define CUR_DEFAULT CUR_UNDERLINE
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#define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
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#endif /* _LINUX_CONSOLE_STRUCT_H */

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