945 lines
23 KiB
C
945 lines
23 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 <stdio_dev.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_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
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defined(CONFIG_CPU_MONAHANS)
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#define CONFIG_CPU_PXA
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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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#include <video_font_data.h>
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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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# include <bmp_logo_data.h>
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# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
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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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#ifndef CONFIG_LCD_ALIGNMENT
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#define CONFIG_LCD_ALIGNMENT PAGE_SIZE
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#endif
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/* By default we scroll by a single line */
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#ifndef CONFIG_CONSOLE_SCROLL_LINES
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#define CONFIG_CONSOLE_SCROLL_LINES 1
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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 void *lcd_logo (void);
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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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static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
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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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/* Flush LCD activity to the caches */
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void lcd_sync(void)
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{
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/*
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* flush_dcache_range() is declared in common.h but it seems that some
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* architectures do not actually implement it. Is there a way to find
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* out whether it exists? For now, ARM is safe.
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*/
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#if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
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int line_length;
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if (lcd_flush_dcache)
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flush_dcache_range((u32)lcd_base,
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(u32)(lcd_base + lcd_get_size(&line_length)));
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#endif
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}
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void lcd_set_flush_dcache(int flush)
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{
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lcd_flush_dcache = (flush != 0);
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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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const int rows = CONFIG_CONSOLE_SCROLL_LINES;
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/* Copy up rows ignoring those that will be overwritten */
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memcpy(CONSOLE_ROW_FIRST,
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lcd_console_address + CONSOLE_ROW_SIZE * rows,
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CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
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/* Clear the last rows */
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memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
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COLOR_MASK(lcd_color_bg),
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CONSOLE_ROW_SIZE * rows);
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lcd_sync();
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console_row -= rows;
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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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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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} else {
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lcd_sync();
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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':
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console_col = 0;
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return;
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case '\n':
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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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return;
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case '\b':
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console_back();
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return;
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default:
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lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
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console_row * VIDEO_FONT_HEIGHT, c);
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if (++console_col >= CONSOLE_COLS)
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console_newline();
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}
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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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lcd_sync();
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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 row;
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#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
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y += BMP_LOGO_HEIGHT;
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#endif
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#if LCD_BPP == LCD_MONOCHROME
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ushort off = x * (1 << LCD_BPP) % 8;
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#endif
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dest = (uchar *)(lcd_base + y * lcd_line_length + 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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int i;
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#if LCD_BPP == LCD_COLOR16
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ushort *d = (ushort *)dest;
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#else
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uchar *d = dest;
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#endif
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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 < 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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#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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lcd_drawchars(x, y, s, strlen((char *)s));
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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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lcd_drawchars(x, y, &c, 1);
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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 lcd_get_size(int *line_length)
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{
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*line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
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return *line_length * panel_info.vl_row;
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}
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int drv_lcd_init (void)
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{
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struct stdio_dev lcddev;
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int rc;
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lcd_base = (void *)(gd->fb_base);
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lcd_get_size(&lcd_line_length);
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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 = stdio_register (&lcddev);
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return (rc == 0) ? 1 : rc;
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}
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/*----------------------------------------------------------------------*/
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void lcd_clear(void)
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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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lcd_sync();
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}
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static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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lcd_clear();
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return 0;
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}
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U_BOOT_CMD(
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cls, 1, 1, do_lcd_clear,
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"clear screen",
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""
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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();
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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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/************************************************************************/
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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;
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debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
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panel_info.vl_row, NBITS(panel_info.vl_bpix));
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size = lcd_get_size(&line_length);
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/* Round up to nearest full page, or MMU section if defined */
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size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
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addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
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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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/*----------------------------------------------------------------------*/
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static void lcd_setfgcolor(int color)
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{
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lcd_color_fg = color;
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}
|
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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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lcd_color_bg = color;
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}
|
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|
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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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|
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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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/************************************************************************/
|
|
/* ** Chipset depending Bitmap / Logo stuff... */
|
|
/************************************************************************/
|
|
static inline ushort *configuration_get_cmap(void)
|
|
{
|
|
#if defined CONFIG_CPU_PXA
|
|
struct pxafb_info *fbi = &panel_info.pxa;
|
|
return (ushort *)fbi->palette;
|
|
#elif defined(CONFIG_MPC823)
|
|
immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
|
|
cpm8xx_t *cp = &(immr->im_cpm);
|
|
return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
|
|
#elif defined(CONFIG_ATMEL_LCD)
|
|
return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
|
|
#elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
|
|
return panel_info.cmap;
|
|
#else
|
|
#if defined(CONFIG_LCD_LOGO)
|
|
return bmp_logo_palette;
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_LCD_LOGO
|
|
void bitmap_plot(int x, int y)
|
|
{
|
|
#ifdef CONFIG_ATMEL_LCD
|
|
uint *cmap = (uint *)bmp_logo_palette;
|
|
#else
|
|
ushort *cmap = (ushort *)bmp_logo_palette;
|
|
#endif
|
|
ushort i, j;
|
|
uchar *bmap;
|
|
uchar *fb;
|
|
ushort *fb16;
|
|
#if defined(CONFIG_MPC823)
|
|
immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
|
|
cpm8xx_t *cp = &(immr->im_cpm);
|
|
#endif
|
|
|
|
debug("Logo: width %d height %d colors %d cmap %d\n",
|
|
BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
|
|
ARRAY_SIZE(bmp_logo_palette));
|
|
|
|
bmap = &bmp_logo_bitmap[0];
|
|
fb = (uchar *)(lcd_base + y * lcd_line_length + x);
|
|
|
|
if (NBITS(panel_info.vl_bpix) < 12) {
|
|
/* Leave room for default color map
|
|
* default case: generic system with no cmap (most likely 16bpp)
|
|
* cmap was set to the source palette, so no change is done.
|
|
* This avoids even more ifdefs in the next stanza
|
|
*/
|
|
#if defined(CONFIG_MPC823)
|
|
cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
|
|
#elif defined(CONFIG_ATMEL_LCD)
|
|
cmap = (uint *)configuration_get_cmap();
|
|
#else
|
|
cmap = configuration_get_cmap();
|
|
#endif
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
/* Set color map */
|
|
for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) {
|
|
ushort colreg = bmp_logo_palette[i];
|
|
#ifdef CONFIG_ATMEL_LCD
|
|
uint lut_entry;
|
|
#ifdef CONFIG_ATMEL_LCD_BGR555
|
|
lut_entry = ((colreg & 0x000F) << 11) |
|
|
((colreg & 0x00F0) << 2) |
|
|
((colreg & 0x0F00) >> 7);
|
|
#else /* CONFIG_ATMEL_LCD_RGB565 */
|
|
lut_entry = ((colreg & 0x000F) << 1) |
|
|
((colreg & 0x00F0) << 3) |
|
|
((colreg & 0x0F00) << 4);
|
|
#endif
|
|
*(cmap + BMP_LOGO_OFFSET) = lut_entry;
|
|
cmap++;
|
|
#else /* !CONFIG_ATMEL_LCD */
|
|
#ifdef CONFIG_SYS_INVERT_COLORS
|
|
*cmap++ = 0xffff - colreg;
|
|
#else
|
|
*cmap++ = colreg;
|
|
#endif
|
|
#endif /* CONFIG_ATMEL_LCD */
|
|
}
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
|
|
memcpy(fb, bmap, BMP_LOGO_WIDTH);
|
|
bmap += BMP_LOGO_WIDTH;
|
|
fb += panel_info.vl_col;
|
|
}
|
|
}
|
|
else { /* true color mode */
|
|
u16 col16;
|
|
fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
|
|
for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
|
|
for (j = 0; j < BMP_LOGO_WIDTH; j++) {
|
|
col16 = bmp_logo_palette[(bmap[j]-16)];
|
|
fb16[j] =
|
|
((col16 & 0x000F) << 1) |
|
|
((col16 & 0x00F0) << 3) |
|
|
((col16 & 0x0F00) << 4);
|
|
}
|
|
bmap += BMP_LOGO_WIDTH;
|
|
fb16 += panel_info.vl_col;
|
|
}
|
|
}
|
|
|
|
WATCHDOG_RESET();
|
|
lcd_sync();
|
|
}
|
|
#else
|
|
static inline void bitmap_plot(int x, int y) {}
|
|
#endif /* CONFIG_LCD_LOGO */
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
|
|
/*
|
|
* Display the BMP file located at address bmp_image.
|
|
* Only uncompressed.
|
|
*/
|
|
|
|
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
|
|
#define BMP_ALIGN_CENTER 0x7FFF
|
|
|
|
static void splash_align_axis(int *axis, unsigned long panel_size,
|
|
unsigned long picture_size)
|
|
{
|
|
unsigned long panel_picture_delta = panel_size - picture_size;
|
|
unsigned long axis_alignment;
|
|
|
|
if (*axis == BMP_ALIGN_CENTER)
|
|
axis_alignment = panel_picture_delta / 2;
|
|
else if (*axis < 0)
|
|
axis_alignment = panel_picture_delta + *axis + 1;
|
|
else
|
|
return;
|
|
|
|
*axis = max(0, axis_alignment);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
|
|
#define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
|
|
#else
|
|
#define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
|
|
#endif
|
|
|
|
#if defined(CONFIG_BMP_16BPP)
|
|
#if defined(CONFIG_ATMEL_LCD_BGR555)
|
|
static inline void fb_put_word(uchar **fb, uchar **from)
|
|
{
|
|
*(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03);
|
|
*(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2);
|
|
*from += 2;
|
|
}
|
|
#else
|
|
static inline void fb_put_word(uchar **fb, uchar **from)
|
|
{
|
|
*(*fb)++ = *(*from)++;
|
|
*(*fb)++ = *(*from)++;
|
|
}
|
|
#endif
|
|
#endif /* CONFIG_BMP_16BPP */
|
|
|
|
int lcd_display_bitmap(ulong bmp_image, int x, int y)
|
|
{
|
|
#if !defined(CONFIG_MCC200)
|
|
ushort *cmap = NULL;
|
|
#endif
|
|
ushort *cmap_base = NULL;
|
|
ushort i, j;
|
|
uchar *fb;
|
|
bmp_image_t *bmp=(bmp_image_t *)bmp_image;
|
|
uchar *bmap;
|
|
ushort padded_line;
|
|
unsigned long width, height, byte_width;
|
|
unsigned long pwidth = panel_info.vl_col;
|
|
unsigned colors, bpix, bmp_bpix;
|
|
|
|
if (!bmp || !((bmp->header.signature[0] == 'B') &&
|
|
(bmp->header.signature[1] == 'M'))) {
|
|
printf("Error: no valid bmp image at %lx\n", bmp_image);
|
|
|
|
return 1;
|
|
}
|
|
|
|
width = le32_to_cpu(bmp->header.width);
|
|
height = le32_to_cpu(bmp->header.height);
|
|
bmp_bpix = le16_to_cpu(bmp->header.bit_count);
|
|
colors = 1 << bmp_bpix;
|
|
|
|
bpix = NBITS(panel_info.vl_bpix);
|
|
|
|
if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) {
|
|
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
|
|
bpix, bmp_bpix);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* We support displaying 8bpp BMPs on 16bpp LCDs */
|
|
if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) {
|
|
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
|
|
bpix,
|
|
le16_to_cpu(bmp->header.bit_count));
|
|
|
|
return 1;
|
|
}
|
|
|
|
debug("Display-bmp: %d x %d with %d colors\n",
|
|
(int)width, (int)height, (int)colors);
|
|
|
|
#if !defined(CONFIG_MCC200)
|
|
/* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
|
|
if (bmp_bpix == 8) {
|
|
cmap = configuration_get_cmap();
|
|
cmap_base = cmap;
|
|
|
|
/* Set color map */
|
|
for (i = 0; i < colors; ++i) {
|
|
bmp_color_table_entry_t cte = bmp->color_table[i];
|
|
#if !defined(CONFIG_ATMEL_LCD)
|
|
ushort colreg =
|
|
( ((cte.red) << 8) & 0xf800) |
|
|
( ((cte.green) << 3) & 0x07e0) |
|
|
( ((cte.blue) >> 3) & 0x001f) ;
|
|
#ifdef CONFIG_SYS_INVERT_COLORS
|
|
*cmap = 0xffff - colreg;
|
|
#else
|
|
*cmap = colreg;
|
|
#endif
|
|
#if defined(CONFIG_MPC823)
|
|
cmap--;
|
|
#else
|
|
cmap++;
|
|
#endif
|
|
#else /* CONFIG_ATMEL_LCD */
|
|
lcd_setcolreg(i, cte.red, cte.green, cte.blue);
|
|
#endif
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* BMP format for Monochrome assumes that the state of a
|
|
* pixel is described on a per Bit basis, not per Byte.
|
|
* So, in case of Monochrome BMP we should align widths
|
|
* on a byte boundary and convert them from Bit to Byte
|
|
* units.
|
|
* Probably, PXA250 and MPC823 process 1bpp BMP images in
|
|
* their own ways, so make the converting to be MCC200
|
|
* specific.
|
|
*/
|
|
#if defined(CONFIG_MCC200)
|
|
if (bpix == 1) {
|
|
width = ((width + 7) & ~7) >> 3;
|
|
x = ((x + 7) & ~7) >> 3;
|
|
pwidth= ((pwidth + 7) & ~7) >> 3;
|
|
}
|
|
#endif
|
|
|
|
padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
|
|
|
|
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
|
|
splash_align_axis(&x, pwidth, width);
|
|
splash_align_axis(&y, panel_info.vl_row, height);
|
|
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
|
|
|
|
if ((x + width) > pwidth)
|
|
width = pwidth - x;
|
|
if ((y + height) > panel_info.vl_row)
|
|
height = panel_info.vl_row - y;
|
|
|
|
bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
|
|
fb = (uchar *) (lcd_base +
|
|
(y + height - 1) * lcd_line_length + x * bpix / 8);
|
|
|
|
switch (bmp_bpix) {
|
|
case 1: /* pass through */
|
|
case 8:
|
|
if (bpix != 16)
|
|
byte_width = width;
|
|
else
|
|
byte_width = width * 2;
|
|
|
|
for (i = 0; i < height; ++i) {
|
|
WATCHDOG_RESET();
|
|
for (j = 0; j < width; j++) {
|
|
if (bpix != 16) {
|
|
FB_PUT_BYTE(fb, bmap);
|
|
} else {
|
|
*(uint16_t *)fb = cmap_base[*(bmap++)];
|
|
fb += sizeof(uint16_t) / sizeof(*fb);
|
|
}
|
|
}
|
|
bmap += (width - padded_line);
|
|
fb -= (byte_width + lcd_line_length);
|
|
}
|
|
break;
|
|
|
|
#if defined(CONFIG_BMP_16BPP)
|
|
case 16:
|
|
for (i = 0; i < height; ++i) {
|
|
WATCHDOG_RESET();
|
|
for (j = 0; j < width; j++)
|
|
fb_put_word(&fb, &bmap);
|
|
|
|
bmap += (padded_line - width) * 2;
|
|
fb -= (width * 2 + lcd_line_length);
|
|
}
|
|
break;
|
|
#endif /* CONFIG_BMP_16BPP */
|
|
|
|
#if defined(CONFIG_BMP_32BPP)
|
|
case 32:
|
|
for (i = 0; i < height; ++i) {
|
|
for (j = 0; j < width; j++) {
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
*(fb++) = *(bmap++);
|
|
}
|
|
fb -= (lcd_line_length + width * (bpix / 8));
|
|
}
|
|
break;
|
|
#endif /* CONFIG_BMP_32BPP */
|
|
default:
|
|
break;
|
|
};
|
|
|
|
lcd_sync();
|
|
return 0;
|
|
}
|
|
#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) {
|
|
int x = 0, y = 0;
|
|
do_splash = 0;
|
|
|
|
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 (bmp_display(addr, x, y) == 0)
|
|
return (void *)lcd_base;
|
|
}
|
|
#endif /* CONFIG_SPLASH_SCREEN */
|
|
|
|
bitmap_plot(0, 0);
|
|
|
|
#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 */
|
|
}
|
|
|
|
/************************************************************************/
|
|
/************************************************************************/
|