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![Anatolij Gustschin](/assets/img/avatar_default.png)
Fix following warning while compilation for mcc200 board: lcd.c: In function 'lcd_display_bitmap': lcd.c:625: warning: unused variable 'cmap' Signed-off-by: Anatolij Gustschin <agust@denx.de>
850 lines
21 KiB
C
850 lines
21 KiB
C
/*
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* Common LCD routines for supported CPUs
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*
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* (C) Copyright 2001-2002
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* Wolfgang Denk, DENX Software Engineering -- wd@denx.de
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/************************************************************************/
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/* ** HEADER FILES */
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/************************************************************************/
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/* #define DEBUG */
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#include <config.h>
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#include <common.h>
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#include <command.h>
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#include <stdarg.h>
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#include <linux/types.h>
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#include <devices.h>
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#if defined(CONFIG_POST)
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#include <post.h>
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#endif
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#include <lcd.h>
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#include <watchdog.h>
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#if defined(CONFIG_PXA250)
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#include <asm/byteorder.h>
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#endif
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#if defined(CONFIG_MPC823)
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#include <lcdvideo.h>
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#endif
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#if defined(CONFIG_ATMEL_LCD)
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#include <atmel_lcdc.h>
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#endif
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/************************************************************************/
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/* ** FONT DATA */
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/************************************************************************/
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#include <video_font.h> /* Get font data, width and height */
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/************************************************************************/
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/* ** LOGO DATA */
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/************************************************************************/
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#ifdef CONFIG_LCD_LOGO
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# include <bmp_logo.h> /* Get logo data, width and height */
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# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
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# error Default Color Map overlaps with Logo Color Map
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# endif
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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ulong lcd_setmem (ulong addr);
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static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
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static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
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static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
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static int lcd_init (void *lcdbase);
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static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
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extern void lcd_ctrl_init (void *lcdbase);
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extern void lcd_enable (void);
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static void *lcd_logo (void);
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#if (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
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extern void lcd_setcolreg (ushort regno,
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ushort red, ushort green, ushort blue);
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#endif
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#if LCD_BPP == LCD_MONOCHROME
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extern void lcd_initcolregs (void);
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#endif
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static int lcd_getbgcolor (void);
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static void lcd_setfgcolor (int color);
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static void lcd_setbgcolor (int color);
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char lcd_is_enabled = 0;
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extern vidinfo_t panel_info;
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#ifdef NOT_USED_SO_FAR
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static void lcd_getcolreg (ushort regno,
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ushort *red, ushort *green, ushort *blue);
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static int lcd_getfgcolor (void);
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#endif /* NOT_USED_SO_FAR */
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/************************************************************************/
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/*----------------------------------------------------------------------*/
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static void console_scrollup (void)
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{
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#if 1
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/* Copy up rows ignoring the first one */
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memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
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/* Clear the last one */
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memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
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#else
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/*
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* Poor attempt to optimize speed by moving "long"s.
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* But the code is ugly, and not a bit faster :-(
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*/
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ulong *t = (ulong *)CONSOLE_ROW_FIRST;
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ulong *s = (ulong *)CONSOLE_ROW_SECOND;
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ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
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uchar c = lcd_color_bg & 0xFF;
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ulong val= (c<<24) | (c<<16) | (c<<8) | c;
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while (l--)
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*t++ = *s++;
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t = (ulong *)CONSOLE_ROW_LAST;
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l = CONSOLE_ROW_SIZE / sizeof(ulong);
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while (l-- > 0)
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*t++ = val;
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#endif
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}
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/*----------------------------------------------------------------------*/
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static inline void console_back (void)
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{
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if (--console_col < 0) {
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console_col = CONSOLE_COLS-1 ;
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if (--console_row < 0) {
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console_row = 0;
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}
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}
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lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
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console_row * VIDEO_FONT_HEIGHT,
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' ');
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}
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/*----------------------------------------------------------------------*/
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static inline void console_newline (void)
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{
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++console_row;
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console_col = 0;
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/* Check if we need to scroll the terminal */
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if (console_row >= CONSOLE_ROWS) {
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/* Scroll everything up */
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console_scrollup () ;
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--console_row;
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}
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}
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/*----------------------------------------------------------------------*/
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void lcd_putc (const char c)
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{
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if (!lcd_is_enabled) {
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serial_putc(c);
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return;
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}
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switch (c) {
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case '\r': console_col = 0;
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return;
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case '\n': console_newline();
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return;
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case '\t': /* Tab (8 chars alignment) */
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console_col += 8;
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console_col &= ~7;
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if (console_col >= CONSOLE_COLS) {
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console_newline();
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}
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return;
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case '\b': console_back();
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return;
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default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
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console_row * VIDEO_FONT_HEIGHT,
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c);
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if (++console_col >= CONSOLE_COLS) {
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console_newline();
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}
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return;
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}
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/* NOTREACHED */
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}
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/*----------------------------------------------------------------------*/
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void lcd_puts (const char *s)
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{
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if (!lcd_is_enabled) {
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serial_puts (s);
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return;
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}
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while (*s) {
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lcd_putc (*s++);
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}
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}
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/*----------------------------------------------------------------------*/
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void lcd_printf(const char *fmt, ...)
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{
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va_list args;
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char buf[CONFIG_SYS_PBSIZE];
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va_start(args, fmt);
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vsprintf(buf, fmt, args);
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va_end(args);
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lcd_puts(buf);
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}
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/************************************************************************/
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/* ** Low-Level Graphics Routines */
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/************************************************************************/
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static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
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{
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uchar *dest;
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ushort off, row;
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dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
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off = x * (1 << LCD_BPP) % 8;
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for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
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uchar *s = str;
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uchar *d = dest;
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int i;
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#if LCD_BPP == LCD_MONOCHROME
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uchar rest = *d & -(1 << (8-off));
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uchar sym;
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#endif
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for (i=0; i<count; ++i) {
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uchar c, bits;
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c = *s++;
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bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
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#if LCD_BPP == LCD_MONOCHROME
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sym = (COLOR_MASK(lcd_color_fg) & bits) |
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(COLOR_MASK(lcd_color_bg) & ~bits);
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*d++ = rest | (sym >> off);
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rest = sym << (8-off);
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#elif LCD_BPP == LCD_COLOR8
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for (c=0; c<8; ++c) {
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*d++ = (bits & 0x80) ?
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lcd_color_fg : lcd_color_bg;
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bits <<= 1;
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}
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#elif LCD_BPP == LCD_COLOR16
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for (c=0; c<16; ++c) {
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*d++ = (bits & 0x80) ?
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lcd_color_fg : lcd_color_bg;
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bits <<= 1;
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}
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#endif
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}
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#if LCD_BPP == LCD_MONOCHROME
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*d = rest | (*d & ((1 << (8-off)) - 1));
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#endif
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}
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}
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/*----------------------------------------------------------------------*/
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static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
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{
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#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
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lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
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#else
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lcd_drawchars (x, y, s, strlen ((char *)s));
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#endif
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}
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/*----------------------------------------------------------------------*/
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static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
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{
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#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
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lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
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#else
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lcd_drawchars (x, y, &c, 1);
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#endif
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}
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/************************************************************************/
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/** Small utility to check that you got the colours right */
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/************************************************************************/
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#ifdef LCD_TEST_PATTERN
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#define N_BLK_VERT 2
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#define N_BLK_HOR 3
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static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
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CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
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CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
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};
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static void test_pattern (void)
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{
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ushort v_max = panel_info.vl_row;
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ushort h_max = panel_info.vl_col;
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ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
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ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
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ushort v, h;
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uchar *pix = (uchar *)lcd_base;
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printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
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h_max, v_max, h_step, v_step);
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/* WARNING: Code silently assumes 8bit/pixel */
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for (v=0; v<v_max; ++v) {
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uchar iy = v / v_step;
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for (h=0; h<h_max; ++h) {
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uchar ix = N_BLK_HOR * iy + (h/h_step);
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*pix++ = test_colors[ix];
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}
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}
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}
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#endif /* LCD_TEST_PATTERN */
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/************************************************************************/
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/* ** GENERIC Initialization Routines */
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/************************************************************************/
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int drv_lcd_init (void)
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{
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device_t lcddev;
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int rc;
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lcd_base = (void *)(gd->fb_base);
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lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
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lcd_init (lcd_base); /* LCD initialization */
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/* Device initialization */
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memset (&lcddev, 0, sizeof (lcddev));
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strcpy (lcddev.name, "lcd");
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lcddev.ext = 0; /* No extensions */
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lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
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lcddev.putc = lcd_putc; /* 'putc' function */
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lcddev.puts = lcd_puts; /* 'puts' function */
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rc = device_register (&lcddev);
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return (rc == 0) ? 1 : rc;
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}
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/*----------------------------------------------------------------------*/
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static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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#if LCD_BPP == LCD_MONOCHROME
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/* Setting the palette */
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lcd_initcolregs();
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#elif LCD_BPP == LCD_COLOR8
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/* Setting the palette */
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lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
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lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
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lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
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lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
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lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
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lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
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lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
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lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
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lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
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#endif
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#ifndef CONFIG_SYS_WHITE_ON_BLACK
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lcd_setfgcolor (CONSOLE_COLOR_BLACK);
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lcd_setbgcolor (CONSOLE_COLOR_WHITE);
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#else
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lcd_setfgcolor (CONSOLE_COLOR_WHITE);
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lcd_setbgcolor (CONSOLE_COLOR_BLACK);
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#endif /* CONFIG_SYS_WHITE_ON_BLACK */
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#ifdef LCD_TEST_PATTERN
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test_pattern();
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#else
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/* set framebuffer to background color */
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memset ((char *)lcd_base,
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COLOR_MASK(lcd_getbgcolor()),
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lcd_line_length*panel_info.vl_row);
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#endif
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/* Paint the logo and retrieve LCD base address */
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debug ("[LCD] Drawing the logo...\n");
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lcd_console_address = lcd_logo ();
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console_col = 0;
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console_row = 0;
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return (0);
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}
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U_BOOT_CMD(
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cls, 1, 1, lcd_clear,
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"clear screen",
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NULL
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);
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/*----------------------------------------------------------------------*/
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static int lcd_init (void *lcdbase)
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{
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/* Initialize the lcd controller */
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debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
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lcd_ctrl_init (lcdbase);
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lcd_is_enabled = 1;
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lcd_clear (NULL, 1, 1, NULL); /* dummy args */
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lcd_enable ();
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/* Initialize the console */
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console_col = 0;
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#ifdef CONFIG_LCD_INFO_BELOW_LOGO
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console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
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#else
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console_row = 1; /* leave 1 blank line below logo */
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#endif
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return 0;
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}
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/************************************************************************/
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/* ** ROM capable initialization part - needed to reserve FB memory */
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/************************************************************************/
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/*
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* This is called early in the system initialization to grab memory
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* for the LCD controller.
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* Returns new address for monitor, after reserving LCD buffer memory
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*
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* Note that this is running from ROM, so no write access to global data.
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*/
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ulong lcd_setmem (ulong addr)
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{
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ulong size;
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int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
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debug ("LCD panel info: %d x %d, %d bit/pix\n",
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panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
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size = line_length * panel_info.vl_row;
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/* Round up to nearest full page */
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size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
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/* Allocate pages for the frame buffer. */
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addr -= size;
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debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
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return (addr);
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}
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/*----------------------------------------------------------------------*/
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static void lcd_setfgcolor (int color)
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{
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#ifdef CONFIG_ATMEL_LCD
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lcd_color_fg = color;
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#else
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lcd_color_fg = color & 0x0F;
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#endif
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}
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/*----------------------------------------------------------------------*/
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static void lcd_setbgcolor (int color)
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{
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#ifdef CONFIG_ATMEL_LCD
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lcd_color_bg = color;
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#else
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lcd_color_bg = color & 0x0F;
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#endif
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}
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/*----------------------------------------------------------------------*/
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#ifdef NOT_USED_SO_FAR
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static int lcd_getfgcolor (void)
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{
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return lcd_color_fg;
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}
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#endif /* NOT_USED_SO_FAR */
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/*----------------------------------------------------------------------*/
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static int lcd_getbgcolor (void)
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{
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return lcd_color_bg;
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}
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/*----------------------------------------------------------------------*/
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/************************************************************************/
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/* ** Chipset depending Bitmap / Logo stuff... */
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/************************************************************************/
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#ifdef CONFIG_LCD_LOGO
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void bitmap_plot (int x, int y)
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{
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#ifdef CONFIG_ATMEL_LCD
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uint *cmap;
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#else
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ushort *cmap;
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#endif
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ushort i, j;
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uchar *bmap;
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uchar *fb;
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ushort *fb16;
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#if defined(CONFIG_PXA250)
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struct pxafb_info *fbi = &panel_info.pxa;
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#elif defined(CONFIG_MPC823)
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volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
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volatile cpm8xx_t *cp = &(immr->im_cpm);
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#endif
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debug ("Logo: width %d height %d colors %d cmap %d\n",
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BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
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(int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
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bmap = &bmp_logo_bitmap[0];
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fb = (uchar *)(lcd_base + y * lcd_line_length + x);
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if (NBITS(panel_info.vl_bpix) < 12) {
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/* Leave room for default color map */
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#if defined(CONFIG_PXA250)
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cmap = (ushort *)fbi->palette;
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#elif defined(CONFIG_MPC823)
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cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
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#elif defined(CONFIG_ATMEL_LCD)
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cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
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#endif
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WATCHDOG_RESET();
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/* Set color map */
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for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
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ushort colreg = bmp_logo_palette[i];
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#ifdef CONFIG_ATMEL_LCD
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uint lut_entry;
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#ifdef CONFIG_ATMEL_LCD_BGR555
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lut_entry = ((colreg & 0x000F) << 11) |
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((colreg & 0x00F0) << 2) |
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((colreg & 0x0F00) >> 7);
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#else /* CONFIG_ATMEL_LCD_RGB565 */
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lut_entry = ((colreg & 0x000F) << 1) |
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((colreg & 0x00F0) << 3) |
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((colreg & 0x0F00) << 4);
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#endif
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*(cmap + BMP_LOGO_OFFSET) = lut_entry;
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cmap++;
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#else /* !CONFIG_ATMEL_LCD */
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#ifdef CONFIG_SYS_INVERT_COLORS
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*cmap++ = 0xffff - colreg;
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#else
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*cmap++ = colreg;
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#endif
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#endif /* CONFIG_ATMEL_LCD */
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}
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WATCHDOG_RESET();
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for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
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memcpy (fb, bmap, BMP_LOGO_WIDTH);
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bmap += BMP_LOGO_WIDTH;
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fb += panel_info.vl_col;
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}
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}
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else { /* true color mode */
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fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
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for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
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for (j=0; j<BMP_LOGO_WIDTH; j++) {
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fb16[j] = bmp_logo_palette[(bmap[j])];
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}
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bmap += BMP_LOGO_WIDTH;
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fb16 += panel_info.vl_col;
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}
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}
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WATCHDOG_RESET();
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}
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#endif /* CONFIG_LCD_LOGO */
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/*----------------------------------------------------------------------*/
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#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
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/*
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* Display the BMP file located at address bmp_image.
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* Only uncompressed.
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*/
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int lcd_display_bitmap(ulong bmp_image, int x, int y)
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{
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#if !defined(CONFIG_MCC200)
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ushort *cmap = NULL;
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#endif
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ushort *cmap_base = NULL;
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ushort i, j;
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uchar *fb;
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bmp_image_t *bmp=(bmp_image_t *)bmp_image;
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uchar *bmap;
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ushort padded_line;
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unsigned long width, height, byte_width;
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unsigned long pwidth = panel_info.vl_col;
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unsigned colors, bpix, bmp_bpix;
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unsigned long compression;
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#if defined(CONFIG_PXA250)
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struct pxafb_info *fbi = &panel_info.pxa;
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#elif defined(CONFIG_MPC823)
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volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
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volatile cpm8xx_t *cp = &(immr->im_cpm);
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#endif
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if (!((bmp->header.signature[0]=='B') &&
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(bmp->header.signature[1]=='M'))) {
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printf ("Error: no valid bmp image at %lx\n", bmp_image);
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return 1;
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}
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width = le32_to_cpu (bmp->header.width);
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height = le32_to_cpu (bmp->header.height);
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bmp_bpix = le16_to_cpu(bmp->header.bit_count);
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colors = 1 << bmp_bpix;
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compression = le32_to_cpu (bmp->header.compression);
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bpix = NBITS(panel_info.vl_bpix);
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if ((bpix != 1) && (bpix != 8) && (bpix != 16)) {
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printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
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bpix, bmp_bpix);
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return 1;
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}
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/* We support displaying 8bpp BMPs on 16bpp LCDs */
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if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) {
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printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
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bpix,
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le16_to_cpu(bmp->header.bit_count));
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return 1;
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}
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debug ("Display-bmp: %d x %d with %d colors\n",
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(int)width, (int)height, (int)colors);
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#if !defined(CONFIG_MCC200)
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/* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
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if (bmp_bpix == 8) {
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#if defined(CONFIG_PXA250)
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cmap = (ushort *)fbi->palette;
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#elif defined(CONFIG_MPC823)
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cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
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#elif !defined(CONFIG_ATMEL_LCD)
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cmap = panel_info.cmap;
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#endif
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cmap_base = cmap;
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/* Set color map */
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for (i=0; i<colors; ++i) {
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bmp_color_table_entry_t cte = bmp->color_table[i];
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#if !defined(CONFIG_ATMEL_LCD)
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ushort colreg =
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( ((cte.red) << 8) & 0xf800) |
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( ((cte.green) << 3) & 0x07e0) |
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( ((cte.blue) >> 3) & 0x001f) ;
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#ifdef CONFIG_SYS_INVERT_COLORS
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*cmap = 0xffff - colreg;
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#else
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*cmap = colreg;
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#endif
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#if defined(CONFIG_MPC823)
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cmap--;
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#else
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cmap++;
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#endif
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#else /* CONFIG_ATMEL_LCD */
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lcd_setcolreg(i, cte.red, cte.green, cte.blue);
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#endif
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}
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}
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#endif
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/*
|
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* BMP format for Monochrome assumes that the state of a
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* pixel is described on a per Bit basis, not per Byte.
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* So, in case of Monochrome BMP we should align widths
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* on a byte boundary and convert them from Bit to Byte
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* units.
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* Probably, PXA250 and MPC823 process 1bpp BMP images in
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* their own ways, so make the converting to be MCC200
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* specific.
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*/
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#if defined(CONFIG_MCC200)
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if (bpix==1)
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{
|
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width = ((width + 7) & ~7) >> 3;
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x = ((x + 7) & ~7) >> 3;
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pwidth= ((pwidth + 7) & ~7) >> 3;
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}
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#endif
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|
|
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padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
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if ((x + width)>pwidth)
|
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width = pwidth - x;
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if ((y + height)>panel_info.vl_row)
|
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height = panel_info.vl_row - y;
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|
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bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
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fb = (uchar *) (lcd_base +
|
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(y + height - 1) * lcd_line_length + x);
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|
|
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switch (bmp_bpix) {
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case 1: /* pass through */
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case 8:
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if (bpix != 16)
|
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byte_width = width;
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else
|
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byte_width = width * 2;
|
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|
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for (i = 0; i < height; ++i) {
|
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WATCHDOG_RESET();
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for (j = 0; j < width; j++) {
|
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if (bpix != 16) {
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#if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD)
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*(fb++) = *(bmap++);
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#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
|
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*(fb++) = 255 - *(bmap++);
|
|
#endif
|
|
} else {
|
|
*(uint16_t *)fb = cmap_base[*(bmap++)];
|
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fb += sizeof(uint16_t) / sizeof(*fb);
|
|
}
|
|
}
|
|
bmap += (width - padded_line);
|
|
fb -= (byte_width + lcd_line_length);
|
|
}
|
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break;
|
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|
|
#if defined(CONFIG_BMP_16BPP)
|
|
case 16:
|
|
for (i = 0; i < height; ++i) {
|
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WATCHDOG_RESET();
|
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for (j = 0; j < width; j++) {
|
|
#if defined(CONFIG_ATMEL_LCD_BGR555)
|
|
*(fb++) = ((bmap[0] & 0x1f) << 2) |
|
|
(bmap[1] & 0x03);
|
|
*(fb++) = (bmap[0] & 0xe0) |
|
|
((bmap[1] & 0x7c) >> 2);
|
|
bmap += 2;
|
|
#else
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
#endif
|
|
}
|
|
bmap += (padded_line - width) * 2;
|
|
fb -= (width * 2 + lcd_line_length);
|
|
}
|
|
break;
|
|
#endif /* CONFIG_BMP_16BPP */
|
|
|
|
default:
|
|
break;
|
|
};
|
|
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_VIDEO_BMP_GZIP
|
|
extern bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp);
|
|
#endif
|
|
|
|
static void *lcd_logo (void)
|
|
{
|
|
#ifdef CONFIG_SPLASH_SCREEN
|
|
char *s;
|
|
ulong addr;
|
|
static int do_splash = 1;
|
|
|
|
if (do_splash && (s = getenv("splashimage")) != NULL) {
|
|
addr = simple_strtoul(s, NULL, 16);
|
|
do_splash = 0;
|
|
|
|
#ifdef CONFIG_VIDEO_BMP_GZIP
|
|
bmp_image_t *bmp = (bmp_image_t *)addr;
|
|
unsigned long len;
|
|
|
|
if (!((bmp->header.signature[0]=='B') &&
|
|
(bmp->header.signature[1]=='M'))) {
|
|
addr = (ulong)gunzip_bmp(addr, &len);
|
|
}
|
|
#endif
|
|
|
|
if (lcd_display_bitmap (addr, 0, 0) == 0) {
|
|
return ((void *)lcd_base);
|
|
}
|
|
}
|
|
#endif /* CONFIG_SPLASH_SCREEN */
|
|
|
|
#ifdef CONFIG_LCD_LOGO
|
|
bitmap_plot (0, 0);
|
|
#endif /* CONFIG_LCD_LOGO */
|
|
|
|
#ifdef CONFIG_LCD_INFO
|
|
console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
|
|
console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
|
|
lcd_show_board_info();
|
|
#endif /* CONFIG_LCD_INFO */
|
|
|
|
#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
|
|
return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
|
|
#else
|
|
return ((void *)lcd_base);
|
|
#endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
|
|
}
|
|
|
|
/************************************************************************/
|
|
/************************************************************************/
|