x86: Remove the old VGA driver

CONFIG_VIDEO_VGA is no longer needed thus remove it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

README

@@ -1873,12 +1873,6 @@ CBFS (Coreboot Filesystem) support
 		boot.  See the documentation file README.video for a
 		description of this variable.
 
-		CONFIG_VIDEO_VGA
-
-		Enable the VGA video / BIOS for x86. The alternative if you
-		are using coreboot is to use the coreboot frame buffer
-		driver.
-
 
 - Keyboard Support:
 		CONFIG_KEYBOARD

arch/x86/lib/Makefile

@@ -27,7 +27,6 @@ obj-y += physmem.o
 obj-$(CONFIG_X86_RAMTEST) += ramtest.o
 obj-y	+= string.o
 obj-$(CONFIG_SYS_X86_TSC_TIMER)	+= tsc_timer.o
-obj-$(CONFIG_VIDEO_VGA)	+= video.o
 obj-$(CONFIG_CMD_ZBOOT)	+= zimage.o
 obj-$(CONFIG_HAVE_FSP) += fsp/
 

arch/x86/lib/video.c

@@ -1,205 +0,0 @@
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <pci.h>
-#include <stdio_dev.h>
-#include <i8042.h>
-#include <asm/ptrace.h>
-#include <asm/io.h>
-#include <asm/pci.h>
-
-/* basic textmode I/O from linux kernel */
-static char *vidmem = (char *)0xb8000;
-static int vidport;
-static int lines, cols;
-static int orig_x, orig_y;
-
-static void beep(int dur)
-{
-	int i;
-
-	outb_p(3, 0x61);
-	for (i = 0; i < 10*dur; i++)
-		udelay(1000);
-
-	outb_p(0, 0x61);
-}
-
-static void scroll(void)
-{
-	int i;
-
-	memcpy(vidmem, vidmem + cols * 2, (lines - 1) * cols * 2);
-	for (i = (lines - 1) * cols * 2; i < lines * cols * 2; i += 2)
-		vidmem[i] = ' ';
-}
-
-static void __video_putc(const char c, int *x, int *y)
-{
-	if (c == '\n') {
-		(*x) = 0;
-		if (++(*y) >= lines) {
-			scroll();
-			(*y)--;
-		}
-	} else if (c == '\b') {
-		if ((*x) != 0) {
-			--(*x);
-			vidmem[((*x) + cols * (*y)) * 2] = ' ';
-		}
-	} else if (c == '\r') {
-		(*x) = 0;
-
-	} else if (c == '\a') {
-		beep(3);
-
-	} else if (c == '\t') {
-		__video_putc(' ', x, y);
-		__video_putc(' ', x, y);
-		__video_putc(' ', x, y);
-		__video_putc(' ', x, y);
-		__video_putc(' ', x, y);
-		__video_putc(' ', x, y);
-		__video_putc(' ', x, y);
-		__video_putc(' ', x, y);
-	} else if (c == '\v') {
-		switch ((*x) % 8) {
-		case 0:
-			__video_putc(' ', x, y);
-		case 7:
-			__video_putc(' ', x, y);
-		case 6:
-			__video_putc(' ', x, y);
-		case 5:
-			__video_putc(' ', x, y);
-		case 4:
-			__video_putc(' ', x, y);
-		case 3:
-			__video_putc(' ', x, y);
-		case 2:
-			__video_putc(' ', x, y);
-		case 1:
-			__video_putc(' ', x, y);
-		}
-	} else if (c == '\f') {
-		int i;
-		for (i = 0; i < lines * cols * 2; i += 2)
-			vidmem[i] = 0;
-		(*x) = 0;
-		(*y) = 0;
-	} else {
-		vidmem[((*x) + cols * (*y)) * 2] = c;
-		if (++(*x) >= cols) {
-			(*x) = 0;
-			if (++(*y) >= lines) {
-				scroll();
-				(*y)--;
-			}
-		}
-	}
-}
-
-static void video_putc(struct stdio_dev *dev, const char c)
-{
-	int x, y, pos;
-
-	x = orig_x;
-	y = orig_y;
-
-	__video_putc(c, &x, &y);
-
-	orig_x = x;
-	orig_y = y;
-
-	pos = (x + cols * y) * 2;	/* Update cursor position */
-	outb_p(14, vidport);
-	outb_p(0xff & (pos >> 9), vidport+1);
-	outb_p(15, vidport);
-	outb_p(0xff & (pos >> 1), vidport+1);
-}
-
-static void video_puts(struct stdio_dev *dev, const char *s)
-{
-	int x, y, pos;
-	char c;
-
-	x = orig_x;
-	y = orig_y;
-
-	while ((c = *s++) != '\0')
-		__video_putc(c, &x, &y);
-
-	orig_x = x;
-	orig_y = y;
-
-	pos = (x + cols * y) * 2;	/* Update cursor position */
-	outb_p(14, vidport);
-	outb_p(0xff & (pos >> 9), vidport+1);
-	outb_p(15, vidport);
-	outb_p(0xff & (pos >> 1), vidport+1);
-}
-
-int video_init(void)
-{
-	u16 pos;
-
-	static struct stdio_dev vga_dev;
-	static struct stdio_dev kbd_dev;
-
-	vidmem = (char *) 0xb8000;
-	vidport = 0x3d4;
-
-	lines = 25;
-	cols = 80;
-
-	outb_p(14, vidport);
-	pos = inb_p(vidport+1);
-	pos <<= 8;
-	outb_p(15, vidport);
-	pos |= inb_p(vidport+1);
-
-	orig_x = pos%cols;
-	orig_y = pos/cols;
-
-#if 0
-	printf("pos %x %d %d\n", pos, orig_x, orig_y);
-#endif
-	if (orig_y > lines)
-		orig_x = orig_y = 0;
-
-	memset(&vga_dev, 0, sizeof(vga_dev));
-	strcpy(vga_dev.name, "vga");
-	vga_dev.ext   = 0;
-	vga_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
-	vga_dev.putc  = video_putc;        /* 'putc' function */
-	vga_dev.puts  = video_puts;        /* 'puts' function */
-
-	if (stdio_register(&vga_dev) == 0)
-		return 1;
-
-	if (i8042_kbd_init())
-		return 1;
-
-	memset(&kbd_dev, 0, sizeof(kbd_dev));
-	strcpy(kbd_dev.name, "kbd");
-	kbd_dev.ext   = 0;
-	kbd_dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
-	kbd_dev.tstc  = i8042_tstc;  /* 'tstc' function */
-	kbd_dev.getc  = i8042_getc;  /* 'getc' function */
-
-	if (stdio_register(&kbd_dev) == 0)
-		return 1;
-
-	return 0;
-}
-
-
-int drv_video_init(void)
-{
-	return video_init();
-}