1 files changed, 0 insertions, 341 deletions
diff --git a/ANDROID_3.4.5/arch/x86/boot/video.c b/ANDROID_3.4.5/arch/x86/boot/video.c
deleted file mode 100644
index 43eda284..00000000
--- a/ANDROID_3.4.5/arch/x86/boot/video.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/* -*- linux-c -*- ------------------------------------------------------- *
- *
- *   Copyright (C) 1991, 1992 Linus Torvalds
- *   Copyright 2007 rPath, Inc. - All Rights Reserved
- *   Copyright 2009 Intel Corporation; author H. Peter Anvin
- *
- *   This file is part of the Linux kernel, and is made available under
- *   the terms of the GNU General Public License version 2.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * Select video mode
- */
-
-#include "boot.h"
-#include "video.h"
-#include "vesa.h"
-
-static void store_cursor_position(void)
-{
-	struct biosregs ireg, oreg;
-
-	initregs(&ireg);
-	ireg.ah = 0x03;
-	intcall(0x10, &ireg, &oreg);
-
-	boot_params.screen_info.orig_x = oreg.dl;
-	boot_params.screen_info.orig_y = oreg.dh;
-
-	if (oreg.ch & 0x20)
-		boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR;
-
-	if ((oreg.ch & 0x1f) > (oreg.cl & 0x1f))
-		boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR;
-}
-
-static void store_video_mode(void)
-{
-	struct biosregs ireg, oreg;
-
-	/* N.B.: the saving of the video page here is a bit silly,
-	   since we pretty much assume page 0 everywhere. */
-	initregs(&ireg);
-	ireg.ah = 0x0f;
-	intcall(0x10, &ireg, &oreg);
-
-	/* Not all BIOSes are clean with respect to the top bit */
-	boot_params.screen_info.orig_video_mode = oreg.al & 0x7f;
-	boot_params.screen_info.orig_video_page = oreg.bh;
-}
-
-/*
- * Store the video mode parameters for later usage by the kernel.
- * This is done by asking the BIOS except for the rows/columns
- * parameters in the default 80x25 mode -- these are set directly,
- * because some very obscure BIOSes supply insane values.
- */
-static void store_mode_params(void)
-{
-	u16 font_size;
-	int x, y;
-
-	/* For graphics mode, it is up to the mode-setting driver
-	   (currently only video-vesa.c) to store the parameters */
-	if (graphic_mode)
-		return;
-
-	store_cursor_position();
-	store_video_mode();
-
-	if (boot_params.screen_info.orig_video_mode == 0x07) {
-		/* MDA, HGC, or VGA in monochrome mode */
-		video_segment = 0xb000;
-	} else {
-		/* CGA, EGA, VGA and so forth */
-		video_segment = 0xb800;
-	}
-
-	set_fs(0);
-	font_size = rdfs16(0x485); /* Font size, BIOS area */
-	boot_params.screen_info.orig_video_points = font_size;
-
-	x = rdfs16(0x44a);
-	y = (adapter == ADAPTER_CGA) ? 25 : rdfs8(0x484)+1;
-
-	if (force_x)
-		x = force_x;
-	if (force_y)
-		y = force_y;
-
-	boot_params.screen_info.orig_video_cols  = x;
-	boot_params.screen_info.orig_video_lines = y;
-}
-
-static unsigned int get_entry(void)
-{
-	char entry_buf[4];
-	int i, len = 0;
-	int key;
-	unsigned int v;
-
-	do {
-		key = getchar();
-
-		if (key == '\b') {
-			if (len > 0) {
-				puts("\b \b");
-				len--;
-			}
-		} else if ((key >= '0' && key <= '9') ||
-			   (key >= 'A' && key <= 'Z') ||
-			   (key >= 'a' && key <= 'z')) {
-			if (len < sizeof entry_buf) {
-				entry_buf[len++] = key;
-				putchar(key);
-			}
-		}
-	} while (key != '\r');
-	putchar('\n');
-
-	if (len == 0)
-		return VIDEO_CURRENT_MODE; /* Default */
-
-	v = 0;
-	for (i = 0; i < len; i++) {
-		v <<= 4;
-		key = entry_buf[i] | 0x20;
-		v += (key > '9') ? key-'a'+10 : key-'0';
-	}
-
-	return v;
-}
-
-static void display_menu(void)
-{
-	struct card_info *card;
-	struct mode_info *mi;
-	char ch;
-	int i;
-	int nmodes;
-	int modes_per_line;
-	int col;
-
-	nmodes = 0;
-	for (card = video_cards; card < video_cards_end; card++)
-		nmodes += card->nmodes;
-
-	modes_per_line = 1;
-	if (nmodes >= 20)
-		modes_per_line = 3;
-
-	for (col = 0; col < modes_per_line; col++)
-		puts("Mode: Resolution:  Type: ");
-	putchar('\n');
-
-	col = 0;
-	ch = '0';
-	for (card = video_cards; card < video_cards_end; card++) {
-		mi = card->modes;
-		for (i = 0; i < card->nmodes; i++, mi++) {
-			char resbuf[32];
-			int visible = mi->x && mi->y;
-			u16 mode_id = mi->mode ? mi->mode :
-				(mi->y << 8)+mi->x;
-
-			if (!visible)
-				continue; /* Hidden mode */
-
-			if (mi->depth)
-				sprintf(resbuf, "%dx%d", mi->y, mi->depth);
-			else
-				sprintf(resbuf, "%d", mi->y);
-
-			printf("%c %03X %4dx%-7s %-6s",
-			       ch, mode_id, mi->x, resbuf, card->card_name);
-			col++;
-			if (col >= modes_per_line) {
-				putchar('\n');
-				col = 0;
-			}
-
-			if (ch == '9')
-				ch = 'a';
-			else if (ch == 'z' || ch == ' ')
-				ch = ' '; /* Out of keys... */
-			else
-				ch++;
-		}
-	}
-	if (col)
-		putchar('\n');
-}
-
-#define H(x)	((x)-'a'+10)
-#define SCAN	((H('s')<<12)+(H('c')<<8)+(H('a')<<4)+H('n'))
-
-static unsigned int mode_menu(void)
-{
-	int key;
-	unsigned int sel;
-
-	puts("Press <ENTER> to see video modes available, "
-	     "<SPACE> to continue, or wait 30 sec\n");
-
-	kbd_flush();
-	while (1) {
-		key = getchar_timeout();
-		if (key == ' ' || key == 0)
-			return VIDEO_CURRENT_MODE; /* Default */
-		if (key == '\r')
-			break;
-		putchar('\a');	/* Beep! */
-	}
-
-
-	for (;;) {
-		display_menu();
-
-		puts("Enter a video mode or \"scan\" to scan for "
-		     "additional modes: ");
-		sel = get_entry();
-		if (sel != SCAN)
-			return sel;
-
-		probe_cards(1);
-	}
-}
-
-/* Save screen content to the heap */
-static struct saved_screen {
-	int x, y;
-	int curx, cury;
-	u16 *data;
-} saved;
-
-static void save_screen(void)
-{
-	/* Should be called after store_mode_params() */
-	saved.x = boot_params.screen_info.orig_video_cols;
-	saved.y = boot_params.screen_info.orig_video_lines;
-	saved.curx = boot_params.screen_info.orig_x;
-	saved.cury = boot_params.screen_info.orig_y;
-
-	if (!heap_free(saved.x*saved.y*sizeof(u16)+512))
-		return;		/* Not enough heap to save the screen */
-
-	saved.data = GET_HEAP(u16, saved.x*saved.y);
-
-	set_fs(video_segment);
-	copy_from_fs(saved.data, 0, saved.x*saved.y*sizeof(u16));
-}
-
-static void restore_screen(void)
-{
-	/* Should be called after store_mode_params() */
-	int xs = boot_params.screen_info.orig_video_cols;
-	int ys = boot_params.screen_info.orig_video_lines;
-	int y;
-	addr_t dst = 0;
-	u16 *src = saved.data;
-	struct biosregs ireg;
-
-	if (graphic_mode)
-		return;		/* Can't restore onto a graphic mode */
-
-	if (!src)
-		return;		/* No saved screen contents */
-
-	/* Restore screen contents */
-
-	set_fs(video_segment);
-	for (y = 0; y < ys; y++) {
-		int npad;
-
-		if (y < saved.y) {
-			int copy = (xs < saved.x) ? xs : saved.x;
-			copy_to_fs(dst, src, copy*sizeof(u16));
-			dst += copy*sizeof(u16);
-			src += saved.x;
-			npad = (xs < saved.x) ? 0 : xs-saved.x;
-		} else {
-			npad = xs;
-		}
-
-		/* Writes "npad" blank characters to
-		   video_segment:dst and advances dst */
-		asm volatile("pushw %%es ; "
-			     "movw %2,%%es ; "
-			     "shrw %%cx ; "
-			     "jnc 1f ; "
-			     "stosw \n\t"
-			     "1: rep;stosl ; "
-			     "popw %%es"
-			     : "+D" (dst), "+c" (npad)
-			     : "bdS" (video_segment),
-			       "a" (0x07200720));
-	}
-
-	/* Restore cursor position */
-	if (saved.curx >= xs)
-		saved.curx = xs-1;
-	if (saved.cury >= ys)
-		saved.cury = ys-1;
-
-	initregs(&ireg);
-	ireg.ah = 0x02;		/* Set cursor position */
-	ireg.dh = saved.cury;
-	ireg.dl = saved.curx;
-	intcall(0x10, &ireg, NULL);
-
-	store_cursor_position();
-}
-
-void set_video(void)
-{
-	u16 mode = boot_params.hdr.vid_mode;
-
-	RESET_HEAP();
-
-	store_mode_params();
-	save_screen();
-	probe_cards(0);
-
-	for (;;) {
-		if (mode == ASK_VGA)
-			mode = mode_menu();
-
-		if (!set_mode(mode))
-			break;
-
-		printf("Undefined video mode number: %x\n", mode);
-		mode = ASK_VGA;
-	}
-	boot_params.hdr.vid_mode = mode;
-	vesa_store_edid();
-	store_mode_params();
-
-	if (do_restore)
-		restore_screen();
-}