mirror of
https://github.com/Stichting-MINIX-Research-Foundation/u-boot.git
synced 2025-11-04 03:04:52 -05:00
* Clean up tools/bmp_logo.c to not add trailing white space
* Patch by Hinko Kocevar, 21 Aug 2004: - Group common framebuffer functions in common/lcd.c - Group common framebuffer macros and #defines in include/lcd.h - Provide calc_fbsize() for video ATAG
This commit is contained in:
wdenk
parent
30d56fae23
commit
8655b6f860
@ -2,13 +2,20 @@
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Changes since U-Boot 1.1.1:
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======================================================================
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* Clean up tools/bmp_logo.c to not add trailing white space
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* Patch by Hinko Kocevar, 21 Aug 2004:
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- Group common framebuffer functions in common/lcd.c
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- Group common framebuffer macros and #defines in include/lcd.h
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- Provide calc_fbsize() for video ATAG
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* Patch by Sam Song, 21 August 2004:
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- Fix a typo in README
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- Align "(RO)" output for "flinfo" after "protect on"
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- Add RESET support for RPXlite_DW board; adjust CPU:BUS frequency
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ratio 1:1 when core frequency less than 50MHz
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* Patches by himba, 21 Aug 2004:
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* Patches by Hinko Kocevar, 21 Aug 2004:
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- fix some "use of label at end of compound statement" warnings
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- Define type of LCD panel on lubbock board if CONFIG_LCD is used
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@ -27,7 +27,7 @@ LIB = libcommon.a
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AOBJS =
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COBJS = main.o ACEX1K.o altera.o bedbug.o \
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COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o \
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cmd_ace.o cmd_autoscript.o \
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cmd_bdinfo.o cmd_bedbug.o cmd_bmp.o cmd_boot.o cmd_bootm.o \
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cmd_cache.o cmd_console.o \
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@ -44,10 +44,11 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o \
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environment.o env_common.o \
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env_nand.o env_dataflash.o env_flash.o env_eeprom.o env_nvram.o env_nowhere.o exports.o \
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flash.o fpga.o \
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hush.o kgdb.o lists.o lynxkdi.o memsize.o miiphybb.o miiphyutil.o \
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hush.o kgdb.o lcd.o lists.o lynxkdi.o \
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memsize.o miiphybb.o miiphyutil.o \
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s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o \
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usb.o usb_kbd.o usb_storage.o \
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virtex2.o xilinx.o circbuf.o
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virtex2.o xilinx.o
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OBJS = $(AOBJS) $(COBJS)
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@ -28,6 +28,7 @@
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#include <common.h>
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#include <bmp_layout.h>
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#include <command.h>
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#include <asm/byteorder.h>
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#if (CONFIG_COMMANDS & CFG_CMD_BMP)
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740
common/lcd.c
Normal file
740
common/lcd.c
Normal file
@ -0,0 +1,740 @@
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/*
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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 <version.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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#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 <watchdog.h>
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#include <lcdvideo.h>
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#endif
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#ifdef CONFIG_LCD
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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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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
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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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/* ** 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(LCD_INFO_BELOW_LOGO)
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lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s));
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#else
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lcd_drawchars (x, y, s, strlen (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(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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DECLARE_GLOBAL_DATA_PTR;
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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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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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|
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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 CFG_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 /* CFG_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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"cls - clear screen\n",
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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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|
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lcd_ctrl_init (lcdbase);
|
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lcd_clear (NULL, 1, 1, NULL); /* dummy args */
|
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lcd_enable ();
|
||||
|
||||
/* Initialize the console */
|
||||
console_col = 0;
|
||||
#ifdef LCD_INFO_BELOW_LOGO
|
||||
console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
|
||||
#else
|
||||
console_row = 1; /* leave 1 blank line below logo */
|
||||
#endif
|
||||
lcd_is_enabled = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ** ROM capable initialization part - needed to reserve FB memory */
|
||||
/************************************************************************/
|
||||
/*
|
||||
* This is called early in the system initialization to grab memory
|
||||
* for the LCD controller.
|
||||
* Returns new address for monitor, after reserving LCD buffer memory
|
||||
*
|
||||
* Note that this is running from ROM, so no write access to global data.
|
||||
*/
|
||||
ulong lcd_setmem (ulong addr)
|
||||
{
|
||||
ulong size;
|
||||
int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
|
||||
|
||||
debug ("LCD panel info: %d x %d, %d bit/pix\n",
|
||||
panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
|
||||
|
||||
size = line_length * panel_info.vl_row;
|
||||
|
||||
/* Round up to nearest full page */
|
||||
size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
|
||||
|
||||
/* Allocate pages for the frame buffer. */
|
||||
addr -= size;
|
||||
|
||||
debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
|
||||
|
||||
return (addr);
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static void lcd_setfgcolor (int color)
|
||||
{
|
||||
lcd_color_fg = color & 0x0F;
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static void lcd_setbgcolor (int color)
|
||||
{
|
||||
lcd_color_bg = color & 0x0F;
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#ifdef NOT_USED_SO_FAR
|
||||
static int lcd_getfgcolor (void)
|
||||
{
|
||||
return lcd_color_fg;
|
||||
}
|
||||
#endif /* NOT_USED_SO_FAR */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static int lcd_getbgcolor (void)
|
||||
{
|
||||
return lcd_color_bg;
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
/************************************************************************/
|
||||
/* ** Chipset depending Bitmap / Logo stuff... */
|
||||
/************************************************************************/
|
||||
#ifdef CONFIG_LCD_LOGO
|
||||
void bitmap_plot (int x, int y)
|
||||
{
|
||||
ushort *cmap;
|
||||
ushort i, j;
|
||||
uchar *bmap;
|
||||
uchar *fb;
|
||||
ushort *fb16;
|
||||
#if defined(CONFIG_PXA250)
|
||||
struct pxafb_info *fbi = &panel_info.pxa;
|
||||
#elif defined(CONFIG_MPC823)
|
||||
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
||||
volatile 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,
|
||||
sizeof(bmp_logo_palette)/(sizeof(ushort)));
|
||||
|
||||
bmap = &bmp_logo_bitmap[0];
|
||||
fb = (char *)(lcd_base + y * lcd_line_length + x);
|
||||
|
||||
if (NBITS(panel_info.vl_bpix) < 12) {
|
||||
/* Leave room for default color map */
|
||||
#if defined(CONFIG_PXA250)
|
||||
cmap = (ushort *)fbi->palette;
|
||||
#elif defined(CONFIG_MPC823)
|
||||
cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
|
||||
#endif
|
||||
|
||||
WATCHDOG_RESET();
|
||||
|
||||
/* Set color map */
|
||||
for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
|
||||
ushort colreg = bmp_logo_palette[i];
|
||||
#ifdef CFG_INVERT_COLORS
|
||||
*cmap++ = 0xffff - colreg;
|
||||
#else
|
||||
*cmap++ = colreg;
|
||||
#endif
|
||||
}
|
||||
|
||||
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 */
|
||||
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++) {
|
||||
fb16[j] = bmp_logo_palette[(bmap[j])];
|
||||
}
|
||||
bmap += BMP_LOGO_WIDTH;
|
||||
fb16 += panel_info.vl_col;
|
||||
}
|
||||
}
|
||||
|
||||
WATCHDOG_RESET();
|
||||
}
|
||||
#endif /* CONFIG_LCD_LOGO */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
|
||||
/*
|
||||
* Display the BMP file located at address bmp_image.
|
||||
* Only uncompressed.
|
||||
*/
|
||||
int lcd_display_bitmap(ulong bmp_image, int x, int y)
|
||||
{
|
||||
ushort *cmap;
|
||||
ushort i, j;
|
||||
uchar *fb;
|
||||
bmp_image_t *bmp=(bmp_image_t *)bmp_image;
|
||||
uchar *bmap;
|
||||
ushort padded_line;
|
||||
unsigned long width, height;
|
||||
unsigned colors,bpix;
|
||||
unsigned long compression;
|
||||
#if defined(CONFIG_PXA250)
|
||||
struct pxafb_info *fbi = &panel_info.pxa;
|
||||
#elif defined(CONFIG_MPC823)
|
||||
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
||||
volatile cpm8xx_t *cp = &(immr->im_cpm);
|
||||
#endif
|
||||
|
||||
if (!((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);
|
||||
colors = 1<<le16_to_cpu (bmp->header.bit_count);
|
||||
compression = le32_to_cpu (bmp->header.compression);
|
||||
|
||||
bpix = NBITS(panel_info.vl_bpix);
|
||||
|
||||
if ((bpix != 1) && (bpix != 8)) {
|
||||
printf ("Error: %d bit/pixel mode not supported by U-Boot\n",
|
||||
bpix);
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (bpix != le16_to_cpu(bmp->header.bit_count)) {
|
||||
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 (bpix==8) {
|
||||
#if defined(CONFIG_PXA250)
|
||||
cmap = (ushort *)fbi->palette;
|
||||
#elif defined(CONFIG_MPC823)
|
||||
cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
|
||||
#endif
|
||||
|
||||
/* Set color map */
|
||||
for (i=0; i<colors; ++i) {
|
||||
bmp_color_table_entry_t cte = bmp->color_table[i];
|
||||
ushort colreg =
|
||||
( ((cte.red) << 8) & 0xf800) |
|
||||
( ((cte.green) << 4) & 0x07e0) |
|
||||
( (cte.blue) & 0x001f) ;
|
||||
|
||||
#ifdef CFG_INVERT_COLORS
|
||||
*cmap++ = 0xffff - colreg;
|
||||
#else
|
||||
*cmap++ = colreg;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
|
||||
if ((x + width)>panel_info.vl_col)
|
||||
width = panel_info.vl_col - 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);
|
||||
for (i = 0; i < height; ++i) {
|
||||
for (j = 0; j < width ; j++)
|
||||
#if defined(CONFIG_PXA250)
|
||||
*(fb++)=*(bmap++);
|
||||
#elif defined(CONFIG_MPC823)
|
||||
*(fb++)=255-*(bmap++);
|
||||
#endif
|
||||
bmap += (width - padded_line);
|
||||
fb -= (width + lcd_line_length);
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */
|
||||
|
||||
|
||||
static void *lcd_logo (void)
|
||||
{
|
||||
#ifdef LCD_INFO
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
char info[80];
|
||||
char temp[32];
|
||||
#endif /* LCD_INFO */
|
||||
|
||||
#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;
|
||||
|
||||
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_MPC823
|
||||
#ifdef LCD_INFO
|
||||
sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
|
||||
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, info, strlen(info));
|
||||
|
||||
sprintf (info, "(C) 2004 DENX Software Engineering");
|
||||
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
|
||||
info, strlen(info));
|
||||
|
||||
sprintf (info, " Wolfgang DENK, wd@denx.de");
|
||||
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
|
||||
info, strlen(info));
|
||||
#ifdef LCD_INFO_BELOW_LOGO
|
||||
sprintf (info, "MPC823 CPU at %s MHz",
|
||||
strmhz(temp, gd->cpu_clk));
|
||||
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
|
||||
info, strlen(info));
|
||||
sprintf (info, " %ld MB RAM, %ld MB Flash",
|
||||
gd->ram_size >> 20,
|
||||
gd->bd->bi_flashsize >> 20 );
|
||||
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
|
||||
info, strlen(info));
|
||||
#else
|
||||
/* leave one blank line */
|
||||
|
||||
sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
|
||||
strmhz(temp, gd->cpu_clk),
|
||||
gd->ram_size >> 20,
|
||||
gd->bd->bi_flashsize >> 20 );
|
||||
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
|
||||
info, strlen(info));
|
||||
|
||||
#endif /* CONFIG_MPC823 */
|
||||
#endif /* LCD_INFO_BELOW_LOGO */
|
||||
#endif /* LCD_INFO */
|
||||
|
||||
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
|
||||
return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
|
||||
#else
|
||||
return ((void *)lcd_base);
|
||||
#endif /* CONFIG_LCD_LOGO */
|
||||
}
|
||||
|
||||
/************************************************************************/
|
||||
/************************************************************************/
|
||||
|
||||
#endif /* CONFIG_LCD */
|
||||
862
cpu/mpc8xx/lcd.c
862
cpu/mpc8xx/lcd.c
File diff suppressed because it is too large
Load Diff
820
cpu/pxa/pxafb.c
820
cpu/pxa/pxafb.c
@ -1,4 +1,6 @@
|
||||
/*
|
||||
* PXA LCD Controller
|
||||
*
|
||||
* (C) Copyright 2001-2002
|
||||
* Wolfgang Denk, DENX Software Engineering -- wd@denx.de
|
||||
*
|
||||
@ -25,148 +27,35 @@
|
||||
/* ** HEADER FILES */
|
||||
/************************************************************************/
|
||||
|
||||
#define DEBUG 1
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <version.h>
|
||||
#include <stdarg.h>
|
||||
#include <lcdvideo.h>
|
||||
#include <linux/types.h>
|
||||
#include <devices.h>
|
||||
#include <lcd.h>
|
||||
#include <asm/arch/pxa-regs.h>
|
||||
|
||||
/* #define DEBUG */
|
||||
|
||||
#ifdef CONFIG_LCD
|
||||
|
||||
/************************************************************************/
|
||||
/* ** CONFIG STUFF -- should be moved to board config file */
|
||||
/************************************************************************/
|
||||
#ifndef CONFIG_EDT32F10
|
||||
#define CONFIG_LCD_LOGO
|
||||
#define LCD_INFO /* Display Logo, (C) and system info */
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_V37
|
||||
#undef CONFIG_LCD_LOGO
|
||||
#undef LCD_INFO
|
||||
#endif
|
||||
|
||||
#undef CONFIG_LCD_LOGO
|
||||
|
||||
#define LCD_TEST_PATTERN
|
||||
/* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */
|
||||
/* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */
|
||||
/************************************************************************/
|
||||
|
||||
/************************************************************************/
|
||||
/* ** FONT AND LOGO DATA */
|
||||
/************************************************************************/
|
||||
|
||||
#include <video_font.h> /* Get font data, width and height */
|
||||
|
||||
#ifdef CONFIG_LCD_LOGO
|
||||
# include <bmp_nexus.h> /* Get logo data, width and height */
|
||||
#endif
|
||||
|
||||
/************************************************************************/
|
||||
/************************************************************************/
|
||||
|
||||
/*
|
||||
* Information about displays we are using. This is for configuring
|
||||
* the LCD controller and memory allocation. Someone has to know what
|
||||
* is connected, as we can't autodetect anything.
|
||||
*/
|
||||
#define CFG_HIGH 0 /* Pins are active high */
|
||||
#define CFG_LOW 1 /* Pins are active low */
|
||||
|
||||
/* PXA LCD DMA descriptor */
|
||||
struct pxafb_dma_descriptor {
|
||||
u_long fdadr;
|
||||
u_long fsadr;
|
||||
u_long fidr;
|
||||
u_long ldcmd;
|
||||
};
|
||||
|
||||
/* PXA LCD info */
|
||||
struct pxafb_info {
|
||||
|
||||
/* Misc registers */
|
||||
u_long reg_lccr3;
|
||||
u_long reg_lccr2;
|
||||
u_long reg_lccr1;
|
||||
u_long reg_lccr0;
|
||||
u_long fdadr0;
|
||||
u_long fdadr1;
|
||||
|
||||
/* DMA descriptors */
|
||||
struct pxafb_dma_descriptor * dmadesc_fblow;
|
||||
struct pxafb_dma_descriptor * dmadesc_fbhigh;
|
||||
struct pxafb_dma_descriptor * dmadesc_palette;
|
||||
|
||||
u_long screen; /* physical address of frame buffer */
|
||||
u_long palette; /* physical address of palette memory */
|
||||
u_int palette_size;
|
||||
};
|
||||
|
||||
typedef struct vidinfo {
|
||||
ushort vl_col; /* Number of columns (i.e. 640) */
|
||||
ushort vl_row; /* Number of rows (i.e. 480) */
|
||||
ushort vl_width; /* Width of display area in millimeters */
|
||||
ushort vl_height; /* Height of display area in millimeters */
|
||||
|
||||
/* LCD configuration register.
|
||||
*/
|
||||
u_char vl_clkp; /* Clock polarity */
|
||||
u_char vl_oep; /* Output Enable polarity */
|
||||
u_char vl_hsp; /* Horizontal Sync polarity */
|
||||
u_char vl_vsp; /* Vertical Sync polarity */
|
||||
u_char vl_dp; /* Data polarity */
|
||||
u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
|
||||
u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
|
||||
u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
|
||||
u_char vl_clor; /* Color, 0 = mono, 1 = color */
|
||||
u_char vl_tft; /* 0 = passive, 1 = TFT */
|
||||
|
||||
/* Horizontal control register. Timing from data sheet.
|
||||
*/
|
||||
ushort vl_hpw; /* Horz sync pulse width */
|
||||
u_char vl_blw; /* Wait before of line */
|
||||
u_char vl_elw; /* Wait end of line */
|
||||
|
||||
/* Vertical control register.
|
||||
*/
|
||||
u_char vl_vpw; /* Vertical sync pulse width */
|
||||
u_char vl_bfw; /* Wait before of frame */
|
||||
u_char vl_efw; /* Wait end of frame */
|
||||
|
||||
u_char vl_lcdac; /* LCD AC timing */
|
||||
|
||||
/* PXA LCD controller params
|
||||
*/
|
||||
struct pxafb_info pxa;
|
||||
|
||||
} vidinfo_t;
|
||||
|
||||
#define LCD_MONOCHROME 0
|
||||
#define LCD_COLOR2 1
|
||||
#define LCD_COLOR4 2
|
||||
#define LCD_COLOR8 3
|
||||
#define LCD_COLOR16 4
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
#define CONFIG_PXA_VGA
|
||||
#ifdef CONFIG_PXA_VGA
|
||||
/*
|
||||
* LCD outputs connected to a video DAC
|
||||
* Define panel bpp, LCCR0, LCCR3 and panel_info video struct for
|
||||
* your display.
|
||||
*/
|
||||
|
||||
#define LCD_BPP LCD_COLOR8
|
||||
#ifdef CONFIG_PXA_VGA
|
||||
/* LCD outputs connected to a video DAC */
|
||||
# define LCD_BPP LCD_COLOR8
|
||||
|
||||
/* you have to set lccr0 and lccr3 (including pcd) */
|
||||
#define REG_LCCR0 0x003008f8
|
||||
#define REG_LCCR3 0x0300FF01
|
||||
# define REG_LCCR0 0x003008f8
|
||||
# define REG_LCCR3 0x0300FF01
|
||||
|
||||
/* 640x480x16 @ 61 Hz */
|
||||
static vidinfo_t panel_info = {
|
||||
vidinfo_t panel_info = {
|
||||
vl_col: 640,
|
||||
vl_row: 480,
|
||||
vl_width: 640,
|
||||
@ -180,7 +69,6 @@ static vidinfo_t panel_info = {
|
||||
vl_lbw: 0,
|
||||
vl_splt: 0,
|
||||
vl_clor: 0,
|
||||
vl_lcdac: 0,
|
||||
vl_tft: 1,
|
||||
vl_hpw: 40,
|
||||
vl_blw: 56,
|
||||
@ -191,16 +79,17 @@ static vidinfo_t panel_info = {
|
||||
};
|
||||
#endif /* CONFIG_PXA_VIDEO */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
#ifdef CONFIG_SHARP_LM8V31
|
||||
|
||||
#define LCD_BPP LCD_COLOR8
|
||||
#define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */
|
||||
# define LCD_BPP LCD_COLOR8
|
||||
# define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */
|
||||
|
||||
/* you have to set lccr0 and lccr3 (including pcd) */
|
||||
#define REG_LCCR0 0x0030087C
|
||||
#define REG_LCCR3 0x0340FF08
|
||||
# define REG_LCCR0 0x0030087C
|
||||
# define REG_LCCR3 0x0340FF08
|
||||
|
||||
static vidinfo_t panel_info = {
|
||||
vidinfo_t panel_info = {
|
||||
vl_col: 640,
|
||||
vl_row: 480,
|
||||
vl_width: 157,
|
||||
@ -214,7 +103,6 @@ static vidinfo_t panel_info = {
|
||||
vl_lbw: 0,
|
||||
vl_splt: 1,
|
||||
vl_clor: 1,
|
||||
vl_lcdac: 0,
|
||||
vl_tft: 0,
|
||||
vl_hpw: 1,
|
||||
vl_blw: 3,
|
||||
@ -226,500 +114,76 @@ static vidinfo_t panel_info = {
|
||||
#endif /* CONFIG_SHARP_LM8V31 */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
#ifdef CONFIG_HITACHI_SX14
|
||||
/* Hitachi SX14Q004-ZZA color STN LCD */
|
||||
#define LCD_BPP LCD_COLOR8
|
||||
|
||||
/* you have to set lccr0 and lccr3 (including pcd) */
|
||||
#define REG_LCCR0 0x00301079
|
||||
#define REG_LCCR3 0x0340FF20
|
||||
|
||||
vidinfo_t panel_info = {
|
||||
vl_col: 320,
|
||||
vl_row: 240,
|
||||
vl_width: 167,
|
||||
vl_height: 109,
|
||||
vl_clkp: CFG_HIGH,
|
||||
vl_oep: CFG_HIGH,
|
||||
vl_hsp: CFG_HIGH,
|
||||
vl_vsp: CFG_HIGH,
|
||||
vl_dp: CFG_HIGH,
|
||||
vl_bpix: LCD_BPP,
|
||||
vl_lbw: 1,
|
||||
vl_splt: 0,
|
||||
vl_clor: 1,
|
||||
vl_tft: 0,
|
||||
vl_hpw: 1,
|
||||
vl_blw: 1,
|
||||
vl_elw: 1,
|
||||
vl_vpw: 7,
|
||||
vl_bfw: 0,
|
||||
vl_efw: 0,
|
||||
};
|
||||
#endif /* CONFIG_HITACHI_SX14 */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#if defined(LCD_INFO_BELOW_LOGO)
|
||||
# define LCD_INFO_X 0
|
||||
# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
|
||||
#elif defined(CONFIG_LCD_LOGO)
|
||||
# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
|
||||
# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
|
||||
#else
|
||||
# define LCD_INFO_X (VIDEO_FONT_WIDTH)
|
||||
# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
|
||||
#endif
|
||||
|
||||
#ifndef LCD_BPP
|
||||
#define LCD_BPP LCD_COLOR8
|
||||
#endif
|
||||
#ifndef LCD_DF
|
||||
#define LCD_DF 1
|
||||
#endif
|
||||
|
||||
#define NBITS(bit_code) (1 << (bit_code))
|
||||
#define NCOLORS(bit_code) (1 << NBITS(bit_code))
|
||||
|
||||
static int lcd_line_length;
|
||||
|
||||
static int lcd_color_fg;
|
||||
static int lcd_color_bg;
|
||||
|
||||
static char lcd_is_enabled = 0; /* Indicate that LCD is enabled */
|
||||
|
||||
/*
|
||||
* Frame buffer memory information
|
||||
*/
|
||||
static void *lcd_base; /* Start of framebuffer memory */
|
||||
static void *lcd_console_address; /* Start of console buffer */
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ** CONSOLE CONSTANTS */
|
||||
/************************************************************************/
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
|
||||
/*
|
||||
* Simple color definitions
|
||||
*/
|
||||
#define CONSOLE_COLOR_BLACK 0
|
||||
#define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
|
||||
|
||||
#elif LCD_BPP == LCD_COLOR8
|
||||
|
||||
/*
|
||||
* Simple color definitions
|
||||
*/
|
||||
#define CONSOLE_COLOR_BLACK 0
|
||||
#define CONSOLE_COLOR_RED 1
|
||||
#define CONSOLE_COLOR_GREEN 2
|
||||
#define CONSOLE_COLOR_YELLOW 3
|
||||
#define CONSOLE_COLOR_BLUE 4
|
||||
#define CONSOLE_COLOR_MAGENTA 5
|
||||
#define CONSOLE_COLOR_CYAN 6
|
||||
#define CONSOLE_COLOR_GREY 14
|
||||
#define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
|
||||
|
||||
#else /* 16 bit */
|
||||
|
||||
#define CONSOLE_COLOR_BLACK 0x0000
|
||||
#define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
|
||||
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
|
||||
#error Default Color Map overlaps with Logo Color Map
|
||||
#endif
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
#ifndef PAGE_SIZE
|
||||
#define PAGE_SIZE 4096
|
||||
#endif
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ** CONSOLE DEFINITIONS & FUNCTIONS */
|
||||
/************************************************************************/
|
||||
|
||||
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
|
||||
#define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
|
||||
/ VIDEO_FONT_HEIGHT)
|
||||
#else
|
||||
#define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
|
||||
#endif
|
||||
#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
|
||||
#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
|
||||
#define CONSOLE_ROW_FIRST (lcd_console_address)
|
||||
#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
|
||||
#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
|
||||
- CONSOLE_ROW_SIZE)
|
||||
#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
|
||||
#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
#define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
|
||||
(c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
|
||||
#elif LCD_BPP == LCD_COLOR8
|
||||
#define COLOR_MASK(c) (c)
|
||||
#elif LCD_BPP == LCD_COLOR16
|
||||
#define COLOR_MASK(c) (c)
|
||||
#else
|
||||
#error Unsupported LCD BPP.
|
||||
#endif
|
||||
|
||||
static short console_col;
|
||||
static short console_row;
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
ulong lcd_setmem (ulong addr);
|
||||
|
||||
static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
|
||||
static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
|
||||
static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
|
||||
|
||||
static int lcd_init (void *lcdbase);
|
||||
static void lcd_ctrl_init (void *lcdbase);
|
||||
static void lcd_enable (void);
|
||||
static void *lcd_logo (void);
|
||||
#if LCD_BPP == LCD_COLOR8
|
||||
static void lcd_setcolreg (ushort regno,
|
||||
ushort red, ushort green, ushort blue);
|
||||
void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue);
|
||||
#endif
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
static void lcd_initcolregs (void);
|
||||
void lcd_initcolregs (void);
|
||||
#endif
|
||||
static void lcd_setfgcolor (int color);
|
||||
static void lcd_setbgcolor (int color);
|
||||
|
||||
#ifdef NOT_USED_SO_FAR
|
||||
static int lcd_getbgcolor (void);
|
||||
static void lcd_disable (void);
|
||||
static void lcd_getcolreg (ushort regno,
|
||||
ushort *red, ushort *green, ushort *blue);
|
||||
static int lcd_getfgcolor (void);
|
||||
void lcd_disable (void);
|
||||
void lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue);
|
||||
#endif /* NOT_USED_SO_FAR */
|
||||
|
||||
void lcd_ctrl_init (void *lcdbase);
|
||||
void lcd_enable (void);
|
||||
|
||||
static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid);
|
||||
static void pxafb_setup_gpio(vidinfo_t *vid);
|
||||
static void pxafb_enable_controller(vidinfo_t *vid);
|
||||
static int pxafb_init(vidinfo_t *vid);
|
||||
int lcd_line_length;
|
||||
int lcd_color_fg;
|
||||
int lcd_color_bg;
|
||||
|
||||
void *lcd_base; /* Start of framebuffer memory */
|
||||
void *lcd_console_address; /* Start of console buffer */
|
||||
|
||||
short console_col;
|
||||
short console_row;
|
||||
|
||||
static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid);
|
||||
static void pxafb_setup_gpio (vidinfo_t *vid);
|
||||
static void pxafb_enable_controller (vidinfo_t *vid);
|
||||
static int pxafb_init (vidinfo_t *vid);
|
||||
/************************************************************************/
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static void console_scrollup (void)
|
||||
{
|
||||
/* Copy up rows ignoring the first one */
|
||||
memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
|
||||
|
||||
/* Clear the last one */
|
||||
memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static inline void console_back (void)
|
||||
{
|
||||
if (--console_col < 0) {
|
||||
console_col = CONSOLE_COLS-1 ;
|
||||
if (--console_row < 0) {
|
||||
console_row = 0;
|
||||
}
|
||||
}
|
||||
|
||||
lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
|
||||
console_row * VIDEO_FONT_HEIGHT,
|
||||
' ');
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static inline void console_newline (void)
|
||||
{
|
||||
++console_row;
|
||||
console_col = 0;
|
||||
|
||||
/* Check if we need to scroll the terminal */
|
||||
if (console_row >= CONSOLE_ROWS) {
|
||||
/* Scroll everything up */
|
||||
console_scrollup () ;
|
||||
--console_row;
|
||||
}
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
void lcd_putc (const char c)
|
||||
{
|
||||
if (!lcd_is_enabled) {
|
||||
serial_putc(c);
|
||||
return;
|
||||
}
|
||||
|
||||
switch (c) {
|
||||
case '\r': console_col = 0;
|
||||
return;
|
||||
|
||||
case '\n': console_newline();
|
||||
return;
|
||||
|
||||
case '\t': /* Tab (8 chars alignment) */
|
||||
console_col |= 8;
|
||||
console_col &= ~7;
|
||||
|
||||
if (console_col >= CONSOLE_COLS) {
|
||||
console_newline();
|
||||
}
|
||||
return;
|
||||
|
||||
case '\b': console_back();
|
||||
return;
|
||||
|
||||
default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
|
||||
console_row * VIDEO_FONT_HEIGHT,
|
||||
c);
|
||||
if (++console_col >= CONSOLE_COLS) {
|
||||
console_newline();
|
||||
}
|
||||
return;
|
||||
}
|
||||
/* NOTREACHED */
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
void lcd_puts (const char *s)
|
||||
{
|
||||
if (!lcd_is_enabled) {
|
||||
serial_puts (s);
|
||||
return;
|
||||
}
|
||||
|
||||
while (*s) {
|
||||
lcd_putc (*s++);
|
||||
}
|
||||
}
|
||||
|
||||
/************************************************************************/
|
||||
/* ** Low-Level Graphics Routines */
|
||||
/* --------------- PXA chipset specific functions ------------------- */
|
||||
/************************************************************************/
|
||||
|
||||
static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
|
||||
{
|
||||
uchar *dest;
|
||||
ushort off, row;
|
||||
|
||||
dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
|
||||
off = x * (1 << LCD_BPP) % 8;
|
||||
|
||||
for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
|
||||
uchar *s = str;
|
||||
uchar *d = dest;
|
||||
int i;
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
uchar rest = *d & -(1 << (8-off));
|
||||
uchar sym;
|
||||
#endif
|
||||
for (i=0; i<count; ++i) {
|
||||
uchar c, bits;
|
||||
|
||||
c = *s++;
|
||||
bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
sym = (COLOR_MASK(lcd_color_fg) & bits) |
|
||||
(COLOR_MASK(lcd_color_bg) & ~bits);
|
||||
|
||||
*d++ = rest | (sym >> off);
|
||||
rest = sym << (8-off);
|
||||
#elif LCD_BPP == LCD_COLOR8
|
||||
for (c=0; c<8; ++c) {
|
||||
*d++ = (bits & 0x80) ?
|
||||
lcd_color_fg : lcd_color_bg;
|
||||
bits <<= 1;
|
||||
}
|
||||
#elif LCD_BPP == LCD_COLOR16
|
||||
for (c=0; c<16; ++c) {
|
||||
*d++ = (bits & 0x80) ?
|
||||
lcd_color_fg : lcd_color_bg;
|
||||
bits <<= 1;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
*d = rest | (*d & ((1 << (8-off)) - 1));
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
|
||||
{
|
||||
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
|
||||
lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s));
|
||||
#else
|
||||
lcd_drawchars (x, y, s, strlen (s));
|
||||
#endif
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
|
||||
{
|
||||
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
|
||||
lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
|
||||
#else
|
||||
lcd_drawchars (x, y, &c, 1);
|
||||
#endif
|
||||
}
|
||||
|
||||
/************************************************************************/
|
||||
/** Small utility to check that you got the colours right */
|
||||
/************************************************************************/
|
||||
#ifdef LCD_TEST_PATTERN
|
||||
|
||||
#define N_BLK_VERT 2
|
||||
#define N_BLK_HOR 3
|
||||
|
||||
static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
|
||||
CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
|
||||
CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
|
||||
};
|
||||
|
||||
static void test_pattern (void)
|
||||
{
|
||||
ushort v_max = panel_info.vl_row;
|
||||
ushort h_max = panel_info.vl_col;
|
||||
ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
|
||||
ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
|
||||
ushort v, h;
|
||||
uchar *pix = (uchar *)lcd_base;
|
||||
|
||||
printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
|
||||
h_max, v_max, h_step, v_step);
|
||||
|
||||
/* WARNING: Code silently assumes 8bit/pixel */
|
||||
for (v=0; v<v_max; ++v) {
|
||||
uchar iy = v / v_step;
|
||||
for (h=0; h<h_max; ++h) {
|
||||
uchar ix = N_BLK_HOR * iy + (h/h_step);
|
||||
*pix++ = test_colors[ix];
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif /* LCD_TEST_PATTERN */
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ** GENERIC Initialization Routines */
|
||||
/************************************************************************/
|
||||
|
||||
int drv_lcd_init (void)
|
||||
{
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
device_t lcddev;
|
||||
int rc;
|
||||
|
||||
lcd_base = (void *)(gd->fb_base);
|
||||
|
||||
lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
|
||||
|
||||
lcd_init (lcd_base); /* LCD initialization */
|
||||
|
||||
/* Device initialization */
|
||||
memset (&lcddev, 0, sizeof (lcddev));
|
||||
|
||||
strcpy (lcddev.name, "lcd");
|
||||
lcddev.ext = 0; /* No extensions */
|
||||
lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
|
||||
lcddev.putc = lcd_putc; /* 'putc' function */
|
||||
lcddev.puts = lcd_puts; /* 'puts' function */
|
||||
|
||||
rc = device_register (&lcddev);
|
||||
return (rc == 0) ? 1 : rc;
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static int lcd_init (void *lcdbase)
|
||||
{
|
||||
/* Initialize the lcd controller */
|
||||
debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
|
||||
|
||||
lcd_ctrl_init (lcdbase);
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
/* Setting the palette */
|
||||
lcd_initcolregs();
|
||||
|
||||
#elif LCD_BPP == LCD_COLOR8
|
||||
/* Setting the palette */
|
||||
lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
|
||||
lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
|
||||
lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
|
||||
lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
|
||||
lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
|
||||
lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
|
||||
lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
|
||||
lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
|
||||
lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
|
||||
#endif
|
||||
|
||||
#define CFG_WHITE_ON_BLACK
|
||||
#ifndef CFG_WHITE_ON_BLACK
|
||||
lcd_setfgcolor (CONSOLE_COLOR_BLACK);
|
||||
lcd_setbgcolor (CONSOLE_COLOR_WHITE);
|
||||
#else
|
||||
lcd_setfgcolor (CONSOLE_COLOR_WHITE);
|
||||
lcd_setbgcolor (CONSOLE_COLOR_BLACK);
|
||||
#endif /* CFG_WHITE_ON_BLACK */
|
||||
|
||||
#ifdef LCD_TEST_PATTERN
|
||||
test_pattern();
|
||||
#else
|
||||
/* set framebuffer to background color */
|
||||
memset ((char *)lcd_base,
|
||||
COLOR_MASK(lcd_getbgcolor()),
|
||||
lcd_line_length*panel_info.vl_row);
|
||||
#endif
|
||||
|
||||
lcd_enable ();
|
||||
|
||||
/* Paint the logo and retrieve LCD base address */
|
||||
debug ("[LCD] Drawing the logo...\n");
|
||||
lcd_console_address = lcd_logo ();
|
||||
|
||||
/* Initialize the console */
|
||||
console_col = 0;
|
||||
#ifdef LCD_INFO_BELOW_LOGO
|
||||
console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
|
||||
#else
|
||||
console_row = 1; /* leave 1 blank line below logo */
|
||||
#endif
|
||||
lcd_is_enabled = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ** ROM capable initialization part - needed to reserve FB memory */
|
||||
/************************************************************************/
|
||||
|
||||
/*
|
||||
* This is called early in the system initialization to grab memory
|
||||
* for the LCD controller.
|
||||
* Returns new address for monitor, after reserving LCD buffer memory
|
||||
*
|
||||
* Note that this is running from ROM, so no write access to global data.
|
||||
*/
|
||||
ulong lcd_setmem (ulong addr)
|
||||
{
|
||||
ulong size;
|
||||
int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
|
||||
|
||||
debug ("LCD panel info: %d x %d, %d bit/pix\n",
|
||||
panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
|
||||
|
||||
/* extra page for dma descriptors and palette */
|
||||
size = line_length * panel_info.vl_row + PAGE_SIZE;
|
||||
|
||||
/* Round up to nearest full page */
|
||||
size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
|
||||
|
||||
/* Allocate pages for the frame buffer. */
|
||||
addr -= size;
|
||||
|
||||
debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
|
||||
|
||||
return (addr);
|
||||
}
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ----------------- chipset specific functions ----------------------- */
|
||||
/************************************************************************/
|
||||
|
||||
static void lcd_ctrl_init (void *lcdbase)
|
||||
void lcd_ctrl_init (void *lcdbase)
|
||||
{
|
||||
pxafb_init_mem(lcdbase, &panel_info);
|
||||
pxafb_init(&panel_info);
|
||||
@ -728,18 +192,16 @@ static void lcd_ctrl_init (void *lcdbase)
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#ifdef NOT_USED_SO_FAR
|
||||
static void
|
||||
void
|
||||
lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
|
||||
{
|
||||
}
|
||||
#endif /* NOT_USED_SO_FAR */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#if LCD_BPP == LCD_COLOR8
|
||||
static void
|
||||
void
|
||||
lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
|
||||
{
|
||||
struct pxafb_info *fbi = &panel_info.pxa;
|
||||
@ -754,7 +216,7 @@ lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
|
||||
#ifdef LCD_INVERT_COLORS
|
||||
palette[regno] = ~val;
|
||||
#else
|
||||
palette[regno] = ~val;
|
||||
palette[regno] = val;
|
||||
#endif
|
||||
}
|
||||
|
||||
@ -766,134 +228,54 @@ lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
|
||||
#endif /* LCD_COLOR8 */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
static
|
||||
void lcd_initcolregs (void)
|
||||
{
|
||||
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
||||
volatile cpm8xx_t *cp = &(immr->im_cpm);
|
||||
struct pxafb_info *fbi = &panel_info.pxa;
|
||||
cmap = (ushort *)fbi->palette;
|
||||
ushort regno;
|
||||
|
||||
for (regno = 0; regno < 16; regno++) {
|
||||
cp->lcd_cmap[regno * 2] = 0;
|
||||
cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
|
||||
cmap[regno * 2] = 0;
|
||||
cmap[(regno * 2) + 1] = regno & 0x0f;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#endif /* LCD_MONOCHROME */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static void lcd_setfgcolor (int color)
|
||||
{
|
||||
lcd_color_fg = color & 0x0F;
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static void lcd_setbgcolor (int color)
|
||||
{
|
||||
lcd_color_bg = color & 0x0F;
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#ifdef NOT_USED_SO_FAR
|
||||
static int lcd_getfgcolor (void)
|
||||
{
|
||||
return lcd_color_fg;
|
||||
}
|
||||
#endif /* NOT_USED_SO_FAR */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#ifdef NOT_USED_SO_FAR
|
||||
static int lcd_getbgcolor (void)
|
||||
{
|
||||
return lcd_color_bg;
|
||||
}
|
||||
#endif /* NOT_USED_SO_FAR */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static void lcd_enable (void)
|
||||
void lcd_enable (void)
|
||||
{
|
||||
}
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
#ifdef NOT_USED_SO_FAR
|
||||
static void lcd_disable (void)
|
||||
{
|
||||
}
|
||||
#endif /* NOT_USED_SO_FAR */
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ** Chipset depending Bitmap / Logo stuff... */
|
||||
/************************************************************************/
|
||||
|
||||
#ifdef CONFIG_LCD_LOGO
|
||||
static void bitmap_plot (int x, int y)
|
||||
{
|
||||
ushort *cmap;
|
||||
ushort i;
|
||||
uchar *bmap;
|
||||
uchar *fb;
|
||||
struct pxafb_info *fbi = &panel_info.pxa;
|
||||
|
||||
debug ("Logo: width %d height %d colors %d cmap %d\n",
|
||||
BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
|
||||
sizeof(bmp_logo_palette)/(sizeof(ushort))
|
||||
);
|
||||
|
||||
/* Leave room for default color map */
|
||||
cmap = (ushort *)fbi->palette;
|
||||
|
||||
/* Set color map */
|
||||
for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
|
||||
ushort colreg = bmp_logo_palette[i];
|
||||
#ifdef CFG_INVERT_COLORS
|
||||
colreg ^= 0xFFF;
|
||||
#endif
|
||||
*cmap++ = colreg;
|
||||
}
|
||||
|
||||
bmap = &bmp_logo_bitmap[0];
|
||||
fb = (char *)(lcd_base + y * lcd_line_length + x);
|
||||
|
||||
for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
|
||||
memcpy (fb, bmap, BMP_LOGO_WIDTH);
|
||||
bmap += BMP_LOGO_WIDTH;
|
||||
fb += panel_info.vl_col;
|
||||
}
|
||||
}
|
||||
#endif /* CONFIG_LCD_LOGO */
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static void *lcd_logo (void)
|
||||
/************************************************************************/
|
||||
/* ** PXA255 specific routines */
|
||||
/************************************************************************/
|
||||
|
||||
/*
|
||||
* Calculate fb size for VIDEOLFB_ATAG. Size returned contains fb,
|
||||
* descriptors and palette areas.
|
||||
*/
|
||||
ulong calc_fbsize (void)
|
||||
{
|
||||
#ifdef CONFIG_LCD_LOGO
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
char info[80];
|
||||
char temp[32];
|
||||
ulong size;
|
||||
int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
|
||||
|
||||
bitmap_plot (0, 0);
|
||||
#endif /* CONFIG_LCD_LOGO */
|
||||
size = line_length * panel_info.vl_row;
|
||||
size += PAGE_SIZE;
|
||||
|
||||
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
|
||||
return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
|
||||
#else
|
||||
return ((void *)lcd_base);
|
||||
#endif /* CONFIG_LCD_LOGO */
|
||||
return size;
|
||||
}
|
||||
|
||||
/************************************************************************
|
||||
PXA255 specific routines
|
||||
************************************************************************/
|
||||
|
||||
static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid)
|
||||
static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid)
|
||||
{
|
||||
u_long palette_mem_size;
|
||||
struct pxafb_info *fbi = &vid->pxa;
|
||||
@ -903,14 +285,15 @@ static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid)
|
||||
|
||||
fbi->palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
|
||||
palette_mem_size = fbi->palette_size * sizeof(u16);
|
||||
|
||||
debug("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size);
|
||||
/* locate palette and descs at end of page following fb */
|
||||
fbi->palette = (u_long)lcdbase + fb_size + 2*PAGE_SIZE - palette_mem_size;
|
||||
fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void pxafb_setup_gpio(vidinfo_t *vid)
|
||||
static void pxafb_setup_gpio (vidinfo_t *vid)
|
||||
{
|
||||
u_long lccr0;
|
||||
|
||||
@ -967,7 +350,7 @@ static void pxafb_setup_gpio(vidinfo_t *vid)
|
||||
}
|
||||
}
|
||||
|
||||
static void pxafb_enable_controller(vidinfo_t *vid)
|
||||
static void pxafb_enable_controller (vidinfo_t *vid)
|
||||
{
|
||||
debug("Enabling LCD controller\n");
|
||||
|
||||
@ -990,7 +373,7 @@ static void pxafb_enable_controller(vidinfo_t *vid)
|
||||
debug("LCCR3 = 0x%08x\n", (unsigned int)LCCR3);
|
||||
}
|
||||
|
||||
static int pxafb_init(vidinfo_t *vid)
|
||||
static int pxafb_init (vidinfo_t *vid)
|
||||
{
|
||||
struct pxafb_info *fbi = &vid->pxa;
|
||||
|
||||
@ -1019,8 +402,7 @@ static int pxafb_init(vidinfo_t *vid)
|
||||
LCCR2_EndFrmDel(vid->vl_efw);
|
||||
|
||||
fbi->reg_lccr3 = REG_LCCR3 & ~(LCCR3_HSP | LCCR3_VSP);
|
||||
fbi->reg_lccr3 |=
|
||||
(vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
|
||||
fbi->reg_lccr3 |= (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
|
||||
| (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH);
|
||||
|
||||
|
||||
|
||||
257
include/lcd.h
257
include/lcd.h
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* MPC823 LCD Controller
|
||||
* MPC823 and PXA LCD Controller
|
||||
*
|
||||
* Modeled after video interface by Paolo Scaffardi
|
||||
*
|
||||
@ -29,17 +29,266 @@
|
||||
#ifndef _LCD_H_
|
||||
#define _LCD_H_
|
||||
|
||||
extern char lcd_is_enabled;
|
||||
|
||||
extern int lcd_line_length;
|
||||
extern int lcd_color_fg;
|
||||
extern int lcd_color_bg;
|
||||
|
||||
/*
|
||||
* Frame buffer memory information
|
||||
*/
|
||||
extern void *lcd_base; /* Start of framebuffer memory */
|
||||
extern void *lcd_console_address; /* Start of console buffer */
|
||||
|
||||
extern short console_col;
|
||||
extern short console_row;
|
||||
|
||||
#if defined CONFIG_MPC823
|
||||
/*
|
||||
* LCD controller stucture for MPC823 CPU
|
||||
*/
|
||||
typedef struct vidinfo {
|
||||
ushort vl_col; /* Number of columns (i.e. 640) */
|
||||
ushort vl_row; /* Number of rows (i.e. 480) */
|
||||
ushort vl_width; /* Width of display area in millimeters */
|
||||
ushort vl_height; /* Height of display area in millimeters */
|
||||
|
||||
/* LCD configuration register */
|
||||
u_char vl_clkp; /* Clock polarity */
|
||||
u_char vl_oep; /* Output Enable polarity */
|
||||
u_char vl_hsp; /* Horizontal Sync polarity */
|
||||
u_char vl_vsp; /* Vertical Sync polarity */
|
||||
u_char vl_dp; /* Data polarity */
|
||||
u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
|
||||
u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
|
||||
u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
|
||||
u_char vl_clor; /* Color, 0 = mono, 1 = color */
|
||||
u_char vl_tft; /* 0 = passive, 1 = TFT */
|
||||
|
||||
/* Horizontal control register. Timing from data sheet */
|
||||
ushort vl_wbl; /* Wait between lines */
|
||||
|
||||
/* Vertical control register */
|
||||
u_char vl_vpw; /* Vertical sync pulse width */
|
||||
u_char vl_lcdac; /* LCD AC timing */
|
||||
u_char vl_wbf; /* Wait between frames */
|
||||
} vidinfo_t;
|
||||
|
||||
extern vidinfo_t panel_info;
|
||||
|
||||
#elif defined CONFIG_PXA250
|
||||
/*
|
||||
* PXA LCD DMA descriptor
|
||||
*/
|
||||
struct pxafb_dma_descriptor {
|
||||
u_long fdadr; /* Frame descriptor address register */
|
||||
u_long fsadr; /* Frame source address register */
|
||||
u_long fidr; /* Frame ID register */
|
||||
u_long ldcmd; /* Command register */
|
||||
};
|
||||
|
||||
/*
|
||||
* PXA LCD info
|
||||
*/
|
||||
struct pxafb_info {
|
||||
|
||||
/* Misc registers */
|
||||
u_long reg_lccr3;
|
||||
u_long reg_lccr2;
|
||||
u_long reg_lccr1;
|
||||
u_long reg_lccr0;
|
||||
u_long fdadr0;
|
||||
u_long fdadr1;
|
||||
|
||||
/* DMA descriptors */
|
||||
struct pxafb_dma_descriptor * dmadesc_fblow;
|
||||
struct pxafb_dma_descriptor * dmadesc_fbhigh;
|
||||
struct pxafb_dma_descriptor * dmadesc_palette;
|
||||
|
||||
u_long screen; /* physical address of frame buffer */
|
||||
u_long palette; /* physical address of palette memory */
|
||||
u_int palette_size;
|
||||
};
|
||||
|
||||
/*
|
||||
* LCD controller stucture for PXA CPU
|
||||
*/
|
||||
typedef struct vidinfo {
|
||||
ushort vl_col; /* Number of columns (i.e. 640) */
|
||||
ushort vl_row; /* Number of rows (i.e. 480) */
|
||||
ushort vl_width; /* Width of display area in millimeters */
|
||||
ushort vl_height; /* Height of display area in millimeters */
|
||||
|
||||
/* LCD configuration register */
|
||||
u_char vl_clkp; /* Clock polarity */
|
||||
u_char vl_oep; /* Output Enable polarity */
|
||||
u_char vl_hsp; /* Horizontal Sync polarity */
|
||||
u_char vl_vsp; /* Vertical Sync polarity */
|
||||
u_char vl_dp; /* Data polarity */
|
||||
u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
|
||||
u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
|
||||
u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
|
||||
u_char vl_clor; /* Color, 0 = mono, 1 = color */
|
||||
u_char vl_tft; /* 0 = passive, 1 = TFT */
|
||||
|
||||
/* Horizontal control register. Timing from data sheet */
|
||||
ushort vl_hpw; /* Horz sync pulse width */
|
||||
u_char vl_blw; /* Wait before of line */
|
||||
u_char vl_elw; /* Wait end of line */
|
||||
|
||||
/* Vertical control register. */
|
||||
u_char vl_vpw; /* Vertical sync pulse width */
|
||||
u_char vl_bfw; /* Wait before of frame */
|
||||
u_char vl_efw; /* Wait end of frame */
|
||||
|
||||
/* PXA LCD controller params */
|
||||
struct pxafb_info pxa;
|
||||
} vidinfo_t;
|
||||
|
||||
extern vidinfo_t panel_info;
|
||||
|
||||
#endif /* CONFIG_MPC823 or CONFIG_PXA250 */
|
||||
|
||||
/* Video functions */
|
||||
|
||||
#if defined(CONFIG_RBC823)
|
||||
void lcd_disable (void);
|
||||
#endif
|
||||
|
||||
extern char lcd_is_enabled;
|
||||
|
||||
/* Video functions */
|
||||
|
||||
/* int lcd_init (void *lcdbase); */
|
||||
void lcd_putc (const char c);
|
||||
void lcd_puts (const char *s);
|
||||
void lcd_printf (const char *fmt, ...);
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
/* ** BITMAP DISPLAY SUPPORT */
|
||||
/************************************************************************/
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
|
||||
# include <bmp_layout.h>
|
||||
# include <asm/byteorder.h>
|
||||
#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */
|
||||
|
||||
/************************************************************************/
|
||||
/* ** LOGO DATA */
|
||||
/************************************************************************/
|
||||
#ifdef CONFIG_LCD_LOGO
|
||||
# include <bmp_logo.h> /* Get logo data, width and height */
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Information about displays we are using. This is for configuring
|
||||
* the LCD controller and memory allocation. Someone has to know what
|
||||
* is connected, as we can't autodetect anything.
|
||||
*/
|
||||
#define CFG_HIGH 0 /* Pins are active high */
|
||||
#define CFG_LOW 1 /* Pins are active low */
|
||||
|
||||
#define LCD_MONOCHROME 0
|
||||
#define LCD_COLOR2 1
|
||||
#define LCD_COLOR4 2
|
||||
#define LCD_COLOR8 3
|
||||
#define LCD_COLOR16 4
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
#if defined(LCD_INFO_BELOW_LOGO)
|
||||
# define LCD_INFO_X 0
|
||||
# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
|
||||
#elif defined(CONFIG_LCD_LOGO)
|
||||
# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
|
||||
# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
|
||||
#else
|
||||
# define LCD_INFO_X (VIDEO_FONT_WIDTH)
|
||||
# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
|
||||
#endif
|
||||
|
||||
/* Default to 8bpp if bit depth not specified */
|
||||
#ifndef LCD_BPP
|
||||
# define LCD_BPP LCD_COLOR8
|
||||
#endif
|
||||
#ifndef LCD_DF
|
||||
# define LCD_DF 1
|
||||
#endif
|
||||
|
||||
/* Calculate nr. of bits per pixel and nr. of colors */
|
||||
#define NBITS(bit_code) (1 << (bit_code))
|
||||
#define NCOLORS(bit_code) (1 << NBITS(bit_code))
|
||||
|
||||
/************************************************************************/
|
||||
/* ** CONSOLE CONSTANTS */
|
||||
/************************************************************************/
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
|
||||
/*
|
||||
* Simple black/white definitions
|
||||
*/
|
||||
# define CONSOLE_COLOR_BLACK 0
|
||||
# define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
|
||||
|
||||
#elif LCD_BPP == LCD_COLOR8
|
||||
|
||||
/*
|
||||
* 8bpp color definitions
|
||||
*/
|
||||
# define CONSOLE_COLOR_BLACK 0
|
||||
# define CONSOLE_COLOR_RED 1
|
||||
# define CONSOLE_COLOR_GREEN 2
|
||||
# define CONSOLE_COLOR_YELLOW 3
|
||||
# define CONSOLE_COLOR_BLUE 4
|
||||
# define CONSOLE_COLOR_MAGENTA 5
|
||||
# define CONSOLE_COLOR_CYAN 6
|
||||
# define CONSOLE_COLOR_GREY 14
|
||||
# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
|
||||
|
||||
#else
|
||||
|
||||
/*
|
||||
* 16bpp color definitions
|
||||
*/
|
||||
# define CONSOLE_COLOR_BLACK 0x0000
|
||||
# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
|
||||
|
||||
#endif /* color definitions */
|
||||
|
||||
#if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
|
||||
# error Default Color Map overlaps with Logo Color Map
|
||||
#endif
|
||||
|
||||
/************************************************************************/
|
||||
#ifndef PAGE_SIZE
|
||||
# define PAGE_SIZE 4096
|
||||
#endif
|
||||
|
||||
/************************************************************************/
|
||||
/* ** CONSOLE DEFINITIONS & FUNCTIONS */
|
||||
/************************************************************************/
|
||||
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
|
||||
# define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
|
||||
/ VIDEO_FONT_HEIGHT)
|
||||
#else
|
||||
# define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
|
||||
#endif
|
||||
|
||||
#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
|
||||
#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
|
||||
#define CONSOLE_ROW_FIRST (lcd_console_address)
|
||||
#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
|
||||
#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
|
||||
- CONSOLE_ROW_SIZE)
|
||||
#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
|
||||
#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
|
||||
|
||||
#if LCD_BPP == LCD_MONOCHROME
|
||||
# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
|
||||
(c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
|
||||
#elif LCD_BPP == LCD_COLOR8
|
||||
# define COLOR_MASK(c) (c)
|
||||
#else
|
||||
# error Unsupported LCD BPP.
|
||||
#endif
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
#endif /* _LCD_H_ */
|
||||
|
||||
@ -38,7 +38,8 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
|
||||
defined (CONFIG_INITRD_TAG) || \
|
||||
defined (CONFIG_SERIAL_TAG) || \
|
||||
defined (CONFIG_REVISION_TAG) || \
|
||||
defined (CONFIG_VFD)
|
||||
defined (CONFIG_VFD) || \
|
||||
defined (CONFIG_LCD)
|
||||
static void setup_start_tag (bd_t *bd);
|
||||
|
||||
# ifdef CONFIG_SETUP_MEMORY_TAGS
|
||||
@ -55,7 +56,7 @@ static void setup_initrd_tag (bd_t *bd, ulong initrd_start,
|
||||
# endif
|
||||
static void setup_end_tag (bd_t *bd);
|
||||
|
||||
# if defined (CONFIG_VFD)
|
||||
# if defined (CONFIG_VFD) || defined (CONFIG_LCD)
|
||||
static void setup_videolfb_tag (gd_t *gd);
|
||||
# endif
|
||||
|
||||
@ -229,6 +230,7 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
||||
defined (CONFIG_INITRD_TAG) || \
|
||||
defined (CONFIG_SERIAL_TAG) || \
|
||||
defined (CONFIG_REVISION_TAG) || \
|
||||
defined (CONFIG_LCD) || \
|
||||
defined (CONFIG_VFD)
|
||||
setup_start_tag (bd);
|
||||
#ifdef CONFIG_SERIAL_TAG
|
||||
@ -247,7 +249,7 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
||||
if (initrd_start && initrd_end)
|
||||
setup_initrd_tag (bd, initrd_start, initrd_end);
|
||||
#endif
|
||||
#if defined (CONFIG_VFD)
|
||||
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
|
||||
setup_videolfb_tag ((gd_t *) gd);
|
||||
#endif
|
||||
setup_end_tag (bd);
|
||||
@ -274,6 +276,7 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
||||
defined (CONFIG_INITRD_TAG) || \
|
||||
defined (CONFIG_SERIAL_TAG) || \
|
||||
defined (CONFIG_REVISION_TAG) || \
|
||||
defined (CONFIG_LCD) || \
|
||||
defined (CONFIG_VFD)
|
||||
static void setup_start_tag (bd_t *bd)
|
||||
{
|
||||
@ -351,7 +354,8 @@ static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end)
|
||||
#endif /* CONFIG_INITRD_TAG */
|
||||
|
||||
|
||||
#if defined (CONFIG_VFD)
|
||||
#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
|
||||
extern ulong calc_fbsize (void);
|
||||
static void setup_videolfb_tag (gd_t *gd)
|
||||
{
|
||||
/* An ATAG_VIDEOLFB node tells the kernel where and how large
|
||||
@ -365,12 +369,13 @@ static void setup_videolfb_tag (gd_t *gd)
|
||||
params->hdr.size = tag_size (tag_videolfb);
|
||||
|
||||
params->u.videolfb.lfb_base = (u32) gd->fb_base;
|
||||
/* 7168 = 256*4*56/8 - actually 2 pages (8192 bytes) are allocated */
|
||||
params->u.videolfb.lfb_size = 7168;
|
||||
/* Fb size is calculated according to parameters for our panel
|
||||
*/
|
||||
params->u.videolfb.lfb_size = calc_fbsize();
|
||||
|
||||
params = tag_next (params);
|
||||
}
|
||||
#endif
|
||||
#endif /* CONFIG_VFD || CONFIG_LCD */
|
||||
|
||||
static void setup_end_tag (bd_t *bd)
|
||||
{
|
||||
|
||||
@ -120,25 +120,13 @@ int main (int argc, char *argv[])
|
||||
b->palette[(int)(i*3+0)] = fgetc(fp);
|
||||
x=fgetc(fp);
|
||||
|
||||
#if 0
|
||||
if ((i%4) == 0)
|
||||
putchar ('\t');
|
||||
printf ("0x%02X, 0x%02X, 0x%02X,%s",
|
||||
b->palette[(int)(i*3+0)],
|
||||
b->palette[(int)(i*3+1)],
|
||||
b->palette[(int)(i*3+2)],
|
||||
((i%4) == 3) ? "\n" : " "
|
||||
);
|
||||
#else
|
||||
if ((i%8) == 0)
|
||||
putchar ('\t');
|
||||
printf ("0x0%X%X%X,%s",
|
||||
printf ("%s0x0%X%X%X,%s",
|
||||
((i%8) == 0) ? "\t" : " ",
|
||||
(b->palette[(int)(i*3+0)] >> 4) & 0x0F,
|
||||
(b->palette[(int)(i*3+1)] >> 4) & 0x0F,
|
||||
(b->palette[(int)(i*3+2)] >> 4) & 0x0F,
|
||||
((i%8) == 7) ? "\n" : " "
|
||||
((i%8) == 7) ? "\n" : ""
|
||||
);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* read the bitmap; leave room for default color map */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user