* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.de>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
* CONFIG_CONSOLE_TIME - display time/date in upper right
* corner, needs CONFIG_CMD_DATE and
* CONFIG_CONSOLE_CURSOR
- * CONFIG_VIDEO_LOGO - display Linux Logo in upper left corner
+ * CONFIG_VIDEO_LOGO - display Linux Logo in upper left corner.
+ * Use CONFIG_SPLASH_SCREEN_ALIGN with
+ * environment variable "splashpos" to place
+ * the logo on other position. In this case
+ * no CONSOLE_EXTRA_INFO is possible.
* CONFIG_VIDEO_BMP_LOGO - use bmp_logo instead of linux_logo
* CONFIG_CONSOLE_EXTRA_INFO - display additional board information
* strings that normaly goes to serial
#endif
#endif
+#ifdef CONFIG_VIDEO_MXS
+#define VIDEO_FB_16BPP_WORD_SWAP
+#endif
+
/*
* Defines for the MB862xx driver
*/
/*
* Defines for the i.MX31 driver (mx3fb.c)
*/
-#if defined(CONFIG_VIDEO_MX3) || defined(CONFIG_VIDEO_MX5)
+#if defined(CONFIG_VIDEO_MX3) || defined(CONFIG_VIDEO_IPUV3)
#define VIDEO_FB_16BPP_WORD_SWAP
#endif
*/
#include <video_fb.h>
+#include <splash.h>
+
/*
* some Macros
*/
#include <linux/types.h>
#include <stdio_dev.h>
#include <video_font.h>
-#include <video_font_data.h>
#if defined(CONFIG_CMD_DATE)
#include <rtc.h>
#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
#include <watchdog.h>
#include <bmp_layout.h>
-
-#ifdef CONFIG_SPLASH_SCREEN_ALIGN
-#define BMP_ALIGN_CENTER 0x7FFF
-#endif
-
+#include <splash.h>
#endif
/*
extern void video_get_info_str(int line_number, char *info);
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
/* Locals */
static GraphicDevice *pGD; /* Pointer to Graphic array */
static u32 eorx, fgx, bgx; /* color pats */
+static int cfb_do_flush_cache;
+
+#ifdef CONFIG_CFB_CONSOLE_ANSI
+static char ansi_buf[10];
+static int ansi_buf_size;
+static int ansi_colors_need_revert;
+static int ansi_cursor_hidden;
+#endif
+
static const int video_font_draw_table8[] = {
0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff,
0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff,
{0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff}
};
+/*
+ * Implement a weak default function for boards that optionally
+ * need to skip the cfb initialization.
+ */
+__weak int board_cfb_skip(void)
+{
+ /* As default, don't skip cfb init */
+ return 0;
+}
+
static void video_drawchars(int xx, int yy, unsigned char *s, int count)
{
u8 *cdat, *dest, *dest0;
((u32 *) dest)[0] =
(video_font_draw_table8[bits >> 4] &
eorx) ^ bgx;
+
+ if (VIDEO_FONT_WIDTH == 4)
+ continue;
+
((u32 *) dest)[1] =
(video_font_draw_table8[bits & 15] &
eorx) ^ bgx;
SHORTSWAP32((video_font_draw_table15
[bits >> 4 & 3] & eorx) ^
bgx);
+
+ if (VIDEO_FONT_WIDTH == 4)
+ continue;
+
((u32 *) dest)[2] =
SHORTSWAP32((video_font_draw_table15
[bits >> 2 & 3] & eorx) ^
SHORTSWAP32((video_font_draw_table16
[bits >> 4 & 3] & eorx) ^
bgx);
+
+ if (VIDEO_FONT_WIDTH == 4)
+ continue;
+
((u32 *) dest)[2] =
SHORTSWAP32((video_font_draw_table16
[bits >> 2 & 3] & eorx) ^
((u32 *) dest)[3] =
SWAP32((video_font_draw_table32
[bits >> 4][3] & eorx) ^ bgx);
+
+
+ if (VIDEO_FONT_WIDTH == 4)
+ continue;
+
((u32 *) dest)[4] =
SWAP32((video_font_draw_table32
[bits & 15][0] & eorx) ^ bgx);
((u32 *) dest)[2] =
(video_font_draw_table24[bits >> 4][2]
& eorx) ^ bgx;
+
+ if (VIDEO_FONT_WIDTH == 4)
+ continue;
+
((u32 *) dest)[3] =
(video_font_draw_table24[bits & 15][0]
& eorx) ^ bgx;
}
cursor_state = state;
}
+ if (cfb_do_flush_cache)
+ flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
}
#endif
}
}
-static void console_newline(void)
+#ifdef CONFIG_CFB_CONSOLE_ANSI
+
+static void console_clear(void)
+{
+#ifdef VIDEO_HW_RECTFILL
+ video_hw_rectfill(VIDEO_PIXEL_SIZE, /* bytes per pixel */
+ 0, /* dest pos x */
+ video_logo_height, /* dest pos y */
+ VIDEO_VISIBLE_COLS, /* frame width */
+ VIDEO_VISIBLE_ROWS, /* frame height */
+ bgx /* fill color */
+ );
+#else
+ memsetl(CONSOLE_ROW_FIRST, CONSOLE_SIZE, bgx);
+#endif
+}
+
+static void console_cursor_fix(void)
{
- console_row++;
+ if (console_row < 0)
+ console_row = 0;
+ if (console_row >= CONSOLE_ROWS)
+ console_row = CONSOLE_ROWS - 1;
+ if (console_col < 0)
+ console_col = 0;
+ if (console_col >= CONSOLE_COLS)
+ console_col = CONSOLE_COLS - 1;
+}
+
+static void console_cursor_up(int n)
+{
+ console_row -= n;
+ console_cursor_fix();
+}
+
+static void console_cursor_down(int n)
+{
+ console_row += n;
+ console_cursor_fix();
+}
+
+static void console_cursor_left(int n)
+{
+ console_col -= n;
+ console_cursor_fix();
+}
+
+static void console_cursor_right(int n)
+{
+ console_col += n;
+ console_cursor_fix();
+}
+
+static void console_cursor_set_position(int row, int col)
+{
+ if (console_row != -1)
+ console_row = row;
+ if (console_col != -1)
+ console_col = col;
+ console_cursor_fix();
+}
+
+static void console_previousline(int n)
+{
+ /* FIXME: also scroll terminal ? */
+ console_row -= n;
+ console_cursor_fix();
+}
+
+static void console_swap_colors(void)
+{
+ eorx = fgx;
+ fgx = bgx;
+ bgx = eorx;
+ eorx = fgx ^ bgx;
+}
+
+static inline int console_cursor_is_visible(void)
+{
+ return !ansi_cursor_hidden;
+}
+#else
+static inline int console_cursor_is_visible(void)
+{
+ return 1;
+}
+#endif
+
+static void console_newline(int n)
+{
+ console_row += n;
console_col = 0;
/* Check if we need to scroll the terminal */
console_scrollup();
/* Decrement row number */
- console_row--;
+ console_row = CONSOLE_ROWS - 1;
}
}
console_col = 0;
}
-void video_putc(const char c)
+static void parse_putc(const char c)
{
static int nl = 1;
- CURSOR_OFF;
+ if (console_cursor_is_visible())
+ CURSOR_OFF;
switch (c) {
case 13: /* back to first column */
case '\n': /* next line */
if (console_col || (!console_col && nl))
- console_newline();
+ console_newline(1);
nl = 1;
break;
console_col &= ~0x0007;
if (console_col >= CONSOLE_COLS)
- console_newline();
+ console_newline(1);
break;
case 8: /* backspace */
/* check for newline */
if (console_col >= CONSOLE_COLS) {
- console_newline();
+ console_newline(1);
nl = 0;
}
}
- CURSOR_SET;
+
+ if (console_cursor_is_visible())
+ CURSOR_SET;
+}
+
+void video_putc(struct stdio_dev *dev, const char c)
+{
+#ifdef CONFIG_CFB_CONSOLE_ANSI
+ int i;
+
+ if (c == 27) {
+ for (i = 0; i < ansi_buf_size; ++i)
+ parse_putc(ansi_buf[i]);
+ ansi_buf[0] = 27;
+ ansi_buf_size = 1;
+ return;
+ }
+
+ if (ansi_buf_size > 0) {
+ /*
+ * 0 - ESC
+ * 1 - [
+ * 2 - num1
+ * 3 - ..
+ * 4 - ;
+ * 5 - num2
+ * 6 - ..
+ * - cchar
+ */
+ int next = 0;
+
+ int flush = 0;
+ int fail = 0;
+
+ int num1 = 0;
+ int num2 = 0;
+ int cchar = 0;
+
+ ansi_buf[ansi_buf_size++] = c;
+
+ if (ansi_buf_size >= sizeof(ansi_buf))
+ fail = 1;
+
+ for (i = 0; i < ansi_buf_size; ++i) {
+ if (fail)
+ break;
+
+ switch (next) {
+ case 0:
+ if (ansi_buf[i] == 27)
+ next = 1;
+ else
+ fail = 1;
+ break;
+
+ case 1:
+ if (ansi_buf[i] == '[')
+ next = 2;
+ else
+ fail = 1;
+ break;
+
+ case 2:
+ if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
+ num1 = ansi_buf[i]-'0';
+ next = 3;
+ } else if (ansi_buf[i] != '?') {
+ --i;
+ num1 = 1;
+ next = 4;
+ }
+ break;
+
+ case 3:
+ if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
+ num1 *= 10;
+ num1 += ansi_buf[i]-'0';
+ } else {
+ --i;
+ next = 4;
+ }
+ break;
+
+ case 4:
+ if (ansi_buf[i] != ';') {
+ --i;
+ next = 7;
+ } else
+ next = 5;
+ break;
+
+ case 5:
+ if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
+ num2 = ansi_buf[i]-'0';
+ next = 6;
+ } else
+ fail = 1;
+ break;
+
+ case 6:
+ if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
+ num2 *= 10;
+ num2 += ansi_buf[i]-'0';
+ } else {
+ --i;
+ next = 7;
+ }
+ break;
+
+ case 7:
+ if ((ansi_buf[i] >= 'A' && ansi_buf[i] <= 'H')
+ || ansi_buf[i] == 'J'
+ || ansi_buf[i] == 'K'
+ || ansi_buf[i] == 'h'
+ || ansi_buf[i] == 'l'
+ || ansi_buf[i] == 'm') {
+ cchar = ansi_buf[i];
+ flush = 1;
+ } else
+ fail = 1;
+ break;
+ }
+ }
+
+ if (fail) {
+ for (i = 0; i < ansi_buf_size; ++i)
+ parse_putc(ansi_buf[i]);
+ ansi_buf_size = 0;
+ return;
+ }
+
+ if (flush) {
+ if (!ansi_cursor_hidden)
+ CURSOR_OFF;
+ ansi_buf_size = 0;
+ switch (cchar) {
+ case 'A':
+ /* move cursor num1 rows up */
+ console_cursor_up(num1);
+ break;
+ case 'B':
+ /* move cursor num1 rows down */
+ console_cursor_down(num1);
+ break;
+ case 'C':
+ /* move cursor num1 columns forward */
+ console_cursor_right(num1);
+ break;
+ case 'D':
+ /* move cursor num1 columns back */
+ console_cursor_left(num1);
+ break;
+ case 'E':
+ /* move cursor num1 rows up at begin of row */
+ console_previousline(num1);
+ break;
+ case 'F':
+ /* move cursor num1 rows down at begin of row */
+ console_newline(num1);
+ break;
+ case 'G':
+ /* move cursor to column num1 */
+ console_cursor_set_position(-1, num1-1);
+ break;
+ case 'H':
+ /* move cursor to row num1, column num2 */
+ console_cursor_set_position(num1-1, num2-1);
+ break;
+ case 'J':
+ /* clear console and move cursor to 0, 0 */
+ console_clear();
+ console_cursor_set_position(0, 0);
+ break;
+ case 'K':
+ /* clear line */
+ if (num1 == 0)
+ console_clear_line(console_row,
+ console_col,
+ CONSOLE_COLS-1);
+ else if (num1 == 1)
+ console_clear_line(console_row,
+ 0, console_col);
+ else
+ console_clear_line(console_row,
+ 0, CONSOLE_COLS-1);
+ break;
+ case 'h':
+ ansi_cursor_hidden = 0;
+ break;
+ case 'l':
+ ansi_cursor_hidden = 1;
+ break;
+ case 'm':
+ if (num1 == 0) { /* reset swapped colors */
+ if (ansi_colors_need_revert) {
+ console_swap_colors();
+ ansi_colors_need_revert = 0;
+ }
+ } else if (num1 == 7) { /* once swap colors */
+ if (!ansi_colors_need_revert) {
+ console_swap_colors();
+ ansi_colors_need_revert = 1;
+ }
+ }
+ break;
+ }
+ if (!ansi_cursor_hidden)
+ CURSOR_SET;
+ }
+ } else {
+ parse_putc(c);
+ }
+#else
+ parse_putc(c);
+#endif
+ if (cfb_do_flush_cache)
+ flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
}
-void video_puts(const char *s)
+void video_puts(struct stdio_dev *dev, const char *s)
{
int count = strlen(s);
while (count--)
- video_putc(*s++);
+ video_putc(dev, *s++);
}
/*
printf("Error: malloc in gunzip failed!\n");
return 1;
}
- if (gunzip(dst, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE,
+ /*
+ * NB: we need to force offset of +2
+ * See doc/README.displaying-bmps
+ */
+ if (gunzip(dst+2, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE-2,
(uchar *) bmp_image,
&len) != 0) {
printf("Error: no valid bmp or bmp.gz image at %lx\n",
/*
* Set addr to decompressed image
*/
- bmp = (bmp_image_t *) dst;
+ bmp = (bmp_image_t *)(dst+2);
if (!((bmp->header.signature[0] == 'B') &&
(bmp->header.signature[1] == 'M'))) {
y = max(0, VIDEO_VISIBLE_ROWS - height + y + 1);
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+ /*
+ * Just ignore elements which are completely beyond screen
+ * dimensions.
+ */
+ if ((x >= VIDEO_VISIBLE_COLS) || (y >= VIDEO_VISIBLE_ROWS))
+ return 0;
+
if ((x + width) > VIDEO_VISIBLE_COLS)
width = VIDEO_VISIBLE_COLS - x;
if ((y + height) > VIDEO_VISIBLE_ROWS)
}
#endif
+ if (cfb_do_flush_cache)
+ flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
return (0);
}
#endif
#ifdef CONFIG_VIDEO_LOGO
-void logo_plot(void *screen, int width, int x, int y)
+static int video_logo_xpos;
+static int video_logo_ypos;
+
+static void plot_logo_or_black(void *screen, int width, int x, int y, \
+ int black);
+
+static void logo_plot(void *screen, int width, int x, int y)
+{
+ plot_logo_or_black(screen, width, x, y, 0);
+}
+
+static void logo_black(void)
+{
+ plot_logo_or_black(video_fb_address, \
+ VIDEO_COLS, \
+ video_logo_xpos, \
+ video_logo_ypos, \
+ 1);
+}
+
+static int do_clrlogo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc != 1)
+ return cmd_usage(cmdtp);
+
+ logo_black();
+ return 0;
+}
+
+U_BOOT_CMD(
+ clrlogo, 1, 0, do_clrlogo,
+ "fill the boot logo area with black",
+ " "
+ );
+
+static void plot_logo_or_black(void *screen, int width, int x, int y, int black)
{
int xcount, i;
int ycount = video_logo_height;
unsigned char r, g, b, *logo_red, *logo_blue, *logo_green;
unsigned char *source;
- unsigned char *dest = (unsigned char *) screen +
- ((y * width * VIDEO_PIXEL_SIZE) + x * VIDEO_PIXEL_SIZE);
+ unsigned char *dest;
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+ if (x == BMP_ALIGN_CENTER)
+ x = max(0, (VIDEO_VISIBLE_COLS - VIDEO_LOGO_WIDTH) / 2);
+ else if (x < 0)
+ x = max(0, VIDEO_VISIBLE_COLS - VIDEO_LOGO_WIDTH + x + 1);
+
+ if (y == BMP_ALIGN_CENTER)
+ y = max(0, (VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT) / 2);
+ else if (y < 0)
+ y = max(0, VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT + y + 1);
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+
+ dest = (unsigned char *)screen + (y * width + x) * VIDEO_PIXEL_SIZE;
#ifdef CONFIG_VIDEO_BMP_LOGO
source = bmp_logo_bitmap;
#endif
xcount = VIDEO_LOGO_WIDTH;
while (xcount--) {
- r = logo_red[*source - VIDEO_LOGO_LUT_OFFSET];
- g = logo_green[*source - VIDEO_LOGO_LUT_OFFSET];
- b = logo_blue[*source - VIDEO_LOGO_LUT_OFFSET];
+ if (black) {
+ r = 0x00;
+ g = 0x00;
+ b = 0x00;
+ } else {
+ r = logo_red[*source - VIDEO_LOGO_LUT_OFFSET];
+ g = logo_green[*source - VIDEO_LOGO_LUT_OFFSET];
+ b = logo_blue[*source - VIDEO_LOGO_LUT_OFFSET];
+ }
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX:
char info[128];
int space, len;
__maybe_unused int y_off = 0;
+ __maybe_unused ulong addr;
+ __maybe_unused char *s;
-#ifdef CONFIG_SPLASH_SCREEN
- char *s;
- ulong addr;
+ splash_get_pos(&video_logo_xpos, &video_logo_ypos);
+#ifdef CONFIG_SPLASH_SCREEN
s = getenv("splashimage");
if (s != NULL) {
- int x = 0, y = 0;
-
+ splash_screen_prepare();
addr = simple_strtoul(s, NULL, 16);
-#ifdef CONFIG_SPLASH_SCREEN_ALIGN
- s = getenv("splashpos");
- if (s != NULL) {
- if (s[0] == 'm')
- x = BMP_ALIGN_CENTER;
- else
- x = simple_strtol(s, NULL, 0);
-
- s = strchr(s + 1, ',');
- if (s != NULL) {
- if (s[1] == 'm')
- y = BMP_ALIGN_CENTER;
- else
- y = simple_strtol(s + 1, NULL, 0);
- }
- }
-#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
- if (video_display_bitmap(addr, x, y) == 0) {
+ if (video_display_bitmap(addr,
+ video_logo_xpos,
+ video_logo_ypos) == 0) {
video_logo_height = 0;
return ((void *) (video_fb_address));
}
}
#endif /* CONFIG_SPLASH_SCREEN */
- logo_plot(video_fb_address, VIDEO_COLS, 0, 0);
+ logo_plot(video_fb_address, VIDEO_COLS,
+ video_logo_xpos, video_logo_ypos);
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+ /*
+ * when using splashpos for video_logo, skip any info
+ * output on video console if the logo is not at 0,0
+ */
+ if (video_logo_xpos || video_logo_ypos) {
+ /*
+ * video_logo_height is used in text and cursor offset
+ * calculations. Since the console is below the logo,
+ * we need to adjust the logo height
+ */
+ if (video_logo_ypos == BMP_ALIGN_CENTER)
+ video_logo_height += max(0, (VIDEO_VISIBLE_ROWS - \
+ VIDEO_LOGO_HEIGHT) / 2);
+ else if (video_logo_ypos > 0)
+ video_logo_height += video_logo_ypos;
+
+ return video_fb_address + video_logo_height * VIDEO_LINE_LEN;
+ }
+#endif
+ if (board_cfb_skip())
+ return 0;
sprintf(info, " %s", version_string);
}
#endif
+static int cfb_fb_is_in_dram(void)
+{
+ bd_t *bd = gd->bd;
+#if defined(CONFIG_ARM) || defined(CONFIG_AVR32) || defined(COFNIG_NDS32) || \
+defined(CONFIG_SANDBOX) || defined(CONFIG_X86)
+ ulong start, end;
+ int i;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
+ start = bd->bi_dram[i].start;
+ end = bd->bi_dram[i].start + bd->bi_dram[i].size - 1;
+ if ((ulong)video_fb_address >= start &&
+ (ulong)video_fb_address < end)
+ return 1;
+ }
+#else
+ if ((ulong)video_fb_address >= bd->bi_memstart &&
+ (ulong)video_fb_address < bd->bi_memstart + bd->bi_memsize)
+ return 1;
+#endif
+ return 0;
+}
+
+void video_clear(void)
+{
+ if (!video_fb_address)
+ return;
+#ifdef VIDEO_HW_RECTFILL
+ video_hw_rectfill(VIDEO_PIXEL_SIZE, /* bytes per pixel */
+ 0, /* dest pos x */
+ 0, /* dest pos y */
+ VIDEO_VISIBLE_COLS, /* frame width */
+ VIDEO_VISIBLE_ROWS, /* frame height */
+ bgx /* fill color */
+ );
+#else
+ memsetl(video_fb_address,
+ (VIDEO_VISIBLE_ROWS * VIDEO_LINE_LEN) / sizeof(int), bgx);
+#endif
+}
+
static int video_init(void)
{
unsigned char color8;
video_init_hw_cursor(VIDEO_FONT_WIDTH, VIDEO_FONT_HEIGHT);
#endif
+ cfb_do_flush_cache = cfb_fb_is_in_dram() && dcache_status();
+
/* Init drawing pats */
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX:
}
eorx = fgx ^ bgx;
+ video_clear();
+
#ifdef CONFIG_VIDEO_LOGO
/* Plot the logo and get start point of console */
debug("Video: Drawing the logo ...\n");
console_col = 0;
console_row = 0;
+ if (cfb_do_flush_cache)
+ flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
+
return 0;
}
/* Init video chip - returns with framebuffer cleared */
skip_dev_init = (video_init() == -1);
+ if (board_cfb_skip())
+ return 0;
+
#if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
debug("KBD: Keyboard init ...\n");
skip_dev_init |= (VIDEO_KBD_INIT_FCT == -1);
console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
console_dev.putc = video_putc; /* 'putc' function */
console_dev.puts = video_puts; /* 'puts' function */
- console_dev.tstc = NULL; /* 'tstc' function */
- console_dev.getc = NULL; /* 'getc' function */
#if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
/* Also init console device */
/* Return success */
return 1;
}
+
+void video_position_cursor(unsigned col, unsigned row)
+{
+ console_col = min(col, CONSOLE_COLS - 1);
+ console_row = min(row, CONSOLE_ROWS - 1);
+}
+
+int video_get_pixel_width(void)
+{
+ return VIDEO_VISIBLE_COLS;
+}
+
+int video_get_pixel_height(void)
+{
+ return VIDEO_VISIBLE_ROWS;
+}
+
+int video_get_screen_rows(void)
+{
+ return CONSOLE_ROWS;
+}
+
+int video_get_screen_columns(void)
+{
+ return CONSOLE_COLS;
+}