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[PATCH] Split out screen_info from tty.h

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This makes it possible for boot code to use screen_info without dragging in
all of tty.h.

Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Brian Gerst 2006-01-08 01:04:54 -08:00 committed by Linus Torvalds
parent 389cd6ec08
commit 7e7f358c8f
5 changed files with 80 additions and 112 deletions
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2
arch/i386/boot/compressed/misc.c
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@ -11,7 +11,7 @@
#include <linux/linkage.h>
#include <linux/vmalloc.h>
#include <linux/tty.h>
#include <linux/screen_info.h>
#include <asm/io.h>
#include <asm/page.h>

2
arch/x86_64/boot/compressed/misc.c
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@ -9,7 +9,7 @@
* High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
*/
#include "miscsetup.h"
#include <linux/screen_info.h>
#include <asm/io.h>
#include <asm/page.h>

39
arch/x86_64/boot/compressed/miscsetup.h
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@ -1,39 +0,0 @@
#define NULL 0
//typedef unsigned int size_t;
struct screen_info {
unsigned char orig_x; /* 0x00 */
unsigned char orig_y; /* 0x01 */
unsigned short dontuse1; /* 0x02 -- EXT_MEM_K sits here */
unsigned short orig_video_page; /* 0x04 */
unsigned char orig_video_mode; /* 0x06 */
unsigned char orig_video_cols; /* 0x07 */
unsigned short unused2; /* 0x08 */
unsigned short orig_video_ega_bx; /* 0x0a */
unsigned short unused3; /* 0x0c */
unsigned char orig_video_lines; /* 0x0e */
unsigned char orig_video_isVGA; /* 0x0f */
unsigned short orig_video_points; /* 0x10 */
/* VESA graphic mode -- linear frame buffer */
unsigned short lfb_width; /* 0x12 */
unsigned short lfb_height; /* 0x14 */
unsigned short lfb_depth; /* 0x16 */
unsigned long lfb_base; /* 0x18 */
unsigned long lfb_size; /* 0x1c */
unsigned short dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */
unsigned short lfb_linelength; /* 0x24 */
unsigned char red_size; /* 0x26 */
unsigned char red_pos; /* 0x27 */
unsigned char green_size; /* 0x28 */
unsigned char green_pos; /* 0x29 */
unsigned char blue_size; /* 0x2a */
unsigned char blue_pos; /* 0x2b */
unsigned char rsvd_size; /* 0x2c */
unsigned char rsvd_pos; /* 0x2d */
unsigned short vesapm_seg; /* 0x2e */
unsigned short vesapm_off; /* 0x30 */
unsigned short pages; /* 0x32 */
/* 0x34 -- 0x3f reserved for future expansion */
};

77
include/linux/screen_info.h Normal file
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@ -0,0 +1,77 @@
#ifndef _SCREEN_INFO_H
#define _SCREEN_INFO_H
#include <linux/types.h>
/*
* These are set up by the setup-routine at boot-time:
*/
struct screen_info {
u8 orig_x; /* 0x00 */
u8 orig_y; /* 0x01 */
u16 dontuse1; /* 0x02 -- EXT_MEM_K sits here */
u16 orig_video_page; /* 0x04 */
u8 orig_video_mode; /* 0x06 */
u8 orig_video_cols; /* 0x07 */
u16 unused2; /* 0x08 */
u16 orig_video_ega_bx; /* 0x0a */
u16 unused3; /* 0x0c */
u8 orig_video_lines; /* 0x0e */
u8 orig_video_isVGA; /* 0x0f */
u16 orig_video_points; /* 0x10 */
/* VESA graphic mode -- linear frame buffer */
u16 lfb_width; /* 0x12 */
u16 lfb_height; /* 0x14 */
u16 lfb_depth; /* 0x16 */
u32 lfb_base; /* 0x18 */
u32 lfb_size; /* 0x1c */
u16 dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */
u16 lfb_linelength; /* 0x24 */
u8 red_size; /* 0x26 */
u8 red_pos; /* 0x27 */
u8 green_size; /* 0x28 */
u8 green_pos; /* 0x29 */
u8 blue_size; /* 0x2a */
u8 blue_pos; /* 0x2b */
u8 rsvd_size; /* 0x2c */
u8 rsvd_pos; /* 0x2d */
u16 vesapm_seg; /* 0x2e */
u16 vesapm_off; /* 0x30 */
u16 pages; /* 0x32 */
u16 vesa_attributes; /* 0x34 */
u32 capabilities; /* 0x36 */
/* 0x3a -- 0x3f reserved for future expansion */
};
extern struct screen_info screen_info;
#define ORIG_X (screen_info.orig_x)
#define ORIG_Y (screen_info.orig_y)
#define ORIG_VIDEO_MODE (screen_info.orig_video_mode)
#define ORIG_VIDEO_COLS (screen_info.orig_video_cols)
#define ORIG_VIDEO_EGA_BX (screen_info.orig_video_ega_bx)
#define ORIG_VIDEO_LINES (screen_info.orig_video_lines)
#define ORIG_VIDEO_ISVGA (screen_info.orig_video_isVGA)
#define ORIG_VIDEO_POINTS (screen_info.orig_video_points)
#define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
#define VIDEO_TYPE_CGA 0x11 /* CGA Display */
#define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */
#define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */
#define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */
#define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */
#define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */
#define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */
#define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */
#define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */
#define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */
#define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */
#define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */
#endif /* _SCREEN_INFO_H */

72
include/linux/tty.h
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@ -23,6 +23,7 @@
#include <linux/workqueue.h>
#include <linux/tty_driver.h>
#include <linux/tty_ldisc.h>
#include <linux/screen_info.h>
#include <asm/system.h>
@ -36,77 +37,6 @@
#define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
#define NR_LDISCS 16
/*
* These are set up by the setup-routine at boot-time:
*/
struct screen_info {
u8 orig_x; /* 0x00 */
u8 orig_y; /* 0x01 */
u16 dontuse1; /* 0x02 -- EXT_MEM_K sits here */
u16 orig_video_page; /* 0x04 */
u8 orig_video_mode; /* 0x06 */
u8 orig_video_cols; /* 0x07 */
u16 unused2; /* 0x08 */
u16 orig_video_ega_bx; /* 0x0a */
u16 unused3; /* 0x0c */
u8 orig_video_lines; /* 0x0e */
u8 orig_video_isVGA; /* 0x0f */
u16 orig_video_points; /* 0x10 */
/* VESA graphic mode -- linear frame buffer */
u16 lfb_width; /* 0x12 */
u16 lfb_height; /* 0x14 */
u16 lfb_depth; /* 0x16 */
u32 lfb_base; /* 0x18 */
u32 lfb_size; /* 0x1c */
u16 dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */
u16 lfb_linelength; /* 0x24 */
u8 red_size; /* 0x26 */
u8 red_pos; /* 0x27 */
u8 green_size; /* 0x28 */
u8 green_pos; /* 0x29 */
u8 blue_size; /* 0x2a */
u8 blue_pos; /* 0x2b */
u8 rsvd_size; /* 0x2c */
u8 rsvd_pos; /* 0x2d */
u16 vesapm_seg; /* 0x2e */
u16 vesapm_off; /* 0x30 */
u16 pages; /* 0x32 */
u16 vesa_attributes; /* 0x34 */
u32 capabilities; /* 0x36 */
/* 0x3a -- 0x3f reserved for future expansion */
};
extern struct screen_info screen_info;
#define ORIG_X (screen_info.orig_x)
#define ORIG_Y (screen_info.orig_y)
#define ORIG_VIDEO_MODE (screen_info.orig_video_mode)
#define ORIG_VIDEO_COLS (screen_info.orig_video_cols)
#define ORIG_VIDEO_EGA_BX (screen_info.orig_video_ega_bx)
#define ORIG_VIDEO_LINES (screen_info.orig_video_lines)
#define ORIG_VIDEO_ISVGA (screen_info.orig_video_isVGA)
#define ORIG_VIDEO_POINTS (screen_info.orig_video_points)
#define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
#define VIDEO_TYPE_CGA 0x11 /* CGA Display */
#define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */
#define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */
#define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */
#define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */
#define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */
#define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */
#define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */
#define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */
#define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */
#define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */
#define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */
/*
* This character is the same as _POSIX_VDISABLE: it cannot be used as
* a c_cc[] character, but indicates that a particular special character