[deliverable/linux.git] / include / linux / console_struct.h

/*
 * console_struct.h
 *
 * Data structure describing single virtual console except for data
 * used by vt.c.
 *
 * Fields marked with [#] must be set by the low-level driver.
 * Fields marked with [!] can be changed by the low-level driver
 * to achieve effects such as fast scrolling by changing the origin.
 */

#include <linux/wait.h>
#include <linux/vt.h>
#include <linux/workqueue.h>

struct vt_struct;

#define NPAR 16

struct vc_data {
	unsigned short	vc_num;			/* Console number */
	unsigned int	vc_cols;		/* [#] Console size */
	unsigned int	vc_rows;
	unsigned int	vc_size_row;		/* Bytes per row */
	unsigned int	vc_scan_lines;		/* # of scan lines */
	unsigned long	vc_origin;		/* [!] Start of real screen */
	unsigned long	vc_scr_end;		/* [!] End of real screen */
	unsigned long	vc_visible_origin;	/* [!] Top of visible window */
	unsigned int	vc_top, vc_bottom;	/* Scrolling region */
	const struct consw *vc_sw;
	unsigned short	*vc_screenbuf;		/* In-memory character/attribute buffer */
	unsigned int	vc_screenbuf_size;
	unsigned char	vc_mode;		/* KD_TEXT, ... */
	/* attributes for all characters on screen */
	unsigned char	vc_attr;		/* Current attributes */
	unsigned char	vc_def_color;		/* Default colors */
	unsigned char	vc_color;		/* Foreground & background */
	unsigned char	vc_s_color;		/* Saved foreground & background */
	unsigned char	vc_ulcolor;		/* Color for underline mode */
	unsigned char   vc_itcolor;
	unsigned char	vc_halfcolor;		/* Color for half intensity mode */
	/* cursor */
	unsigned int	vc_cursor_type;
	unsigned short	vc_complement_mask;	/* [#] Xor mask for mouse pointer */
	unsigned short	vc_s_complement_mask;	/* Saved mouse pointer mask */
	unsigned int	vc_x, vc_y;		/* Cursor position */
	unsigned int	vc_saved_x, vc_saved_y;
	unsigned long	vc_pos;			/* Cursor address */
	/* fonts */	
	unsigned short	vc_hi_font_mask;	/* [#] Attribute set for upper 256 chars of font or 0 if not supported */
	struct console_font vc_font;		/* Current VC font set */
	unsigned short	vc_video_erase_char;	/* Background erase character */
	/* VT terminal data */
	unsigned int	vc_state;		/* Escape sequence parser state */
	unsigned int	vc_npar,vc_par[NPAR];	/* Parameters of current escape sequence */
	struct tty_struct *vc_tty;		/* TTY we are attached to */
	/* data for manual vt switching */
	struct vt_mode	vt_mode;
	struct pid 	*vt_pid;
	int		vt_newvt;
	wait_queue_head_t paste_wait;
	/* mode flags */
	unsigned int	vc_charset	: 1;	/* Character set G0 / G1 */
	unsigned int	vc_s_charset	: 1;	/* Saved character set */
	unsigned int	vc_disp_ctrl	: 1;	/* Display chars < 32? */
	unsigned int	vc_toggle_meta	: 1;	/* Toggle high bit? */
	unsigned int	vc_decscnm	: 1;	/* Screen Mode */
	unsigned int	vc_decom	: 1;	/* Origin Mode */
	unsigned int	vc_decawm	: 1;	/* Autowrap Mode */
	unsigned int	vc_deccm	: 1;	/* Cursor Visible */
	unsigned int	vc_decim	: 1;	/* Insert Mode */
	unsigned int	vc_deccolm	: 1;	/* 80/132 Column Mode */
	/* attribute flags */
	unsigned int	vc_intensity	: 2;	/* 0=half-bright, 1=normal, 2=bold */
	unsigned int    vc_italic:1;
	unsigned int	vc_underline	: 1;
	unsigned int	vc_blink	: 1;
	unsigned int	vc_reverse	: 1;
	unsigned int	vc_s_intensity	: 2;	/* saved rendition */
	unsigned int    vc_s_italic:1;
	unsigned int	vc_s_underline	: 1;
	unsigned int	vc_s_blink	: 1;
	unsigned int	vc_s_reverse	: 1;
	/* misc */
	unsigned int	vc_ques		: 1;
	unsigned int	vc_need_wrap	: 1;
	unsigned int	vc_can_do_color	: 1;
	unsigned int	vc_report_mouse : 2;
	unsigned int	vc_kmalloced	: 1;
	unsigned char	vc_utf		: 1;	/* Unicode UTF-8 encoding */
	unsigned char	vc_utf_count;
		 int	vc_utf_char;
	unsigned int	vc_tab_stop[8];		/* Tab stops. 256 columns. */
	unsigned char   vc_palette[16*3];       /* Colour palette for VGA+ */
	unsigned short * vc_translate;
	unsigned char 	vc_G0_charset;
	unsigned char 	vc_G1_charset;
	unsigned char 	vc_saved_G0;
	unsigned char 	vc_saved_G1;
	unsigned int	vc_bell_pitch;		/* Console bell pitch */
	unsigned int	vc_bell_duration;	/* Console bell duration */
	struct vc_data **vc_display_fg;		/* [!] Ptr to var holding fg console for this display */
	unsigned long	vc_uni_pagedir;
	unsigned long	*vc_uni_pagedir_loc;  /* [!] Location of uni_pagedir variable for this console */
	/* additional information is in vt_kern.h */
};

struct vc {
	struct vc_data *d;
	struct work_struct SAK_work;

	/* might add  scrmem, vt_struct, kbd  at some time,
	   to have everything in one place - the disadvantage
	   would be that vc_cons etc can no longer be static */
};

extern struct vc vc_cons [MAX_NR_CONSOLES];
extern void vc_SAK(struct work_struct *work);

#define CUR_DEF		0
#define CUR_NONE	1
#define CUR_UNDERLINE	2
#define CUR_LOWER_THIRD	3
#define CUR_LOWER_HALF	4
#define CUR_TWO_THIRDS	5
#define CUR_BLOCK	6
#define CUR_HWMASK	0x0f
#define CUR_SWMASK	0xfff0

#define CUR_DEFAULT CUR_UNDERLINE

#define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
Commit	Line	Data
1da177e4 LT	1	/*
	2	* console_struct.h
	3	*
	4	* Data structure describing single virtual console except for data
	5	* used by vt.c.
	6	*
	7	* Fields marked with [#] must be set by the low-level driver.
	8	* Fields marked with [!] can be changed by the low-level driver
	9	* to achieve effects such as fast scrolling by changing the origin.
	10	*/
	11
a8f340e3	12	#include <linux/wait.h>
e07dea98	13	#include <linux/vt.h>
8b6312f4	14	#include <linux/workqueue.h>
e07dea98	15
1da177e4 LT	16	struct vt_struct;
	17
	18	#define NPAR 16
	19
	20	struct vc_data {
	21	unsigned short vc_num; /* Console number */
	22	unsigned int vc_cols; /* [#] Console size */
	23	unsigned int vc_rows;
	24	unsigned int vc_size_row; /* Bytes per row */
	25	unsigned int vc_scan_lines; /* # of scan lines */
	26	unsigned long vc_origin; /* [!] Start of real screen */
	27	unsigned long vc_scr_end; /* [!] End of real screen */
	28	unsigned long vc_visible_origin; /* [!] Top of visible window */
	29	unsigned int vc_top, vc_bottom; /* Scrolling region */
	30	const struct consw *vc_sw;
	31	unsigned short vc_screenbuf; / In-memory character/attribute buffer */
	32	unsigned int vc_screenbuf_size;
	33	unsigned char vc_mode; /* KD_TEXT, ... */
	34	/* attributes for all characters on screen */
	35	unsigned char vc_attr; /* Current attributes */
	36	unsigned char vc_def_color; /* Default colors */
	37	unsigned char vc_color; /* Foreground & background */
	38	unsigned char vc_s_color; /* Saved foreground & background */
	39	unsigned char vc_ulcolor; /* Color for underline mode */
fa6ce9ab	40	unsigned char vc_itcolor;
1da177e4 LT	41	unsigned char vc_halfcolor; /* Color for half intensity mode */
	42	/* cursor */
	43	unsigned int vc_cursor_type;
	44	unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */
	45	unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */
	46	unsigned int vc_x, vc_y; /* Cursor position */
	47	unsigned int vc_saved_x, vc_saved_y;
	48	unsigned long vc_pos; /* Cursor address */
	49	/* fonts */
	50	unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */
	51	struct console_font vc_font; /* Current VC font set */
	52	unsigned short vc_video_erase_char; /* Background erase character */
	53	/* VT terminal data */
	54	unsigned int vc_state; /* Escape sequence parser state */
	55	unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */
	56	struct tty_struct vc_tty; / TTY we are attached to */
	57	/* data for manual vt switching */
	58	struct vt_mode vt_mode;
bde0d2c9	59	struct pid *vt_pid;
1da177e4 LT	60	int vt_newvt;
	61	wait_queue_head_t paste_wait;
	62	/* mode flags */
	63	unsigned int vc_charset : 1; /* Character set G0 / G1 */
	64	unsigned int vc_s_charset : 1; /* Saved character set */
	65	unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */
	66	unsigned int vc_toggle_meta : 1; /* Toggle high bit? */
	67	unsigned int vc_decscnm : 1; /* Screen Mode */
	68	unsigned int vc_decom : 1; /* Origin Mode */
	69	unsigned int vc_decawm : 1; /* Autowrap Mode */
	70	unsigned int vc_deccm : 1; /* Cursor Visible */
	71	unsigned int vc_decim : 1; /* Insert Mode */
	72	unsigned int vc_deccolm : 1; /* 80/132 Column Mode */
	73	/* attribute flags */
	74	unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */
fa6ce9ab	75	unsigned int vc_italic:1;
1da177e4 LT	76	unsigned int vc_underline : 1;
	77	unsigned int vc_blink : 1;
	78	unsigned int vc_reverse : 1;
	79	unsigned int vc_s_intensity : 2; /* saved rendition */
fa6ce9ab	80	unsigned int vc_s_italic:1;
1da177e4 LT	81	unsigned int vc_s_underline : 1;
	82	unsigned int vc_s_blink : 1;
	83	unsigned int vc_s_reverse : 1;
	84	/* misc */
	85	unsigned int vc_ques : 1;
	86	unsigned int vc_need_wrap : 1;
	87	unsigned int vc_can_do_color : 1;
	88	unsigned int vc_report_mouse : 2;
	89	unsigned int vc_kmalloced : 1;
	90	unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */
	91	unsigned char vc_utf_count;
	92	int vc_utf_char;
	93	unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */
	94	unsigned char vc_palette[163]; / Colour palette for VGA+ */
	95	unsigned short * vc_translate;
	96	unsigned char vc_G0_charset;
	97	unsigned char vc_G1_charset;
	98	unsigned char vc_saved_G0;
	99	unsigned char vc_saved_G1;
	100	unsigned int vc_bell_pitch; /* Console bell pitch */
	101	unsigned int vc_bell_duration; /* Console bell duration */
	102	struct vc_data *vc_display_fg; / [!] Ptr to var holding fg console for this display */
	103	unsigned long vc_uni_pagedir;
	104	unsigned long vc_uni_pagedir_loc; / [!] Location of uni_pagedir variable for this console */
	105	/* additional information is in vt_kern.h */
	106	};
	107
	108	struct vc {
	109	struct vc_data *d;
8b6312f4	110	struct work_struct SAK_work;
1da177e4 LT	111
	112	/* might add scrmem, vt_struct, kbd at some time,
	113	to have everything in one place - the disadvantage
	114	would be that vc_cons etc can no longer be static */
	115	};
	116
	117	extern struct vc vc_cons [MAX_NR_CONSOLES];
8b6312f4	118	extern void vc_SAK(struct work_struct *work);
1da177e4 LT	119
	120	#define CUR_DEF 0
	121	#define CUR_NONE 1
	122	#define CUR_UNDERLINE 2
	123	#define CUR_LOWER_THIRD 3
	124	#define CUR_LOWER_HALF 4
	125	#define CUR_TWO_THIRDS 5
	126	#define CUR_BLOCK 6
	127	#define CUR_HWMASK 0x0f
	128	#define CUR_SWMASK 0xfff0
	129
	130	#define CUR_DEFAULT CUR_UNDERLINE
	131
	132	#define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)