1129 lines
31 KiB
C
1129 lines
31 KiB
C
/*
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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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#include <config.h>
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#include <common.h>
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#include <version.h>
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#include <stdarg.h>
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#include <lcdvideo.h>
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#include <linux/types.h>
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#include <devices.h>
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#ifdef CONFIG_LCD
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/************************************************************************/
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/* ** CONFIG STUFF -- should be moved to board config file */
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/************************************************************************/
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#ifndef CONFIG_EDT32F10
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#define CONFIG_LCD_LOGO
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#define LCD_INFO /* Display Logo, (C) and system info */
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#endif
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#ifdef CONFIG_V37
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#undef CONFIG_LCD_LOGO
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#undef LCD_INFO
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#endif
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/* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */
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/* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */
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/************************************************************************/
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/************************************************************************/
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/* ** FONT AND LOGO DATA */
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/************************************************************************/
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#include <video_font.h> /* Get font data, width and height */
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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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#endif
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/************************************************************************/
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/************************************************************************/
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/*
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* Information about displays we are using. This is for configuring
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* the LCD controller and memory allocation. Someone has to know what
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* is connected, as we can't autodetect anything.
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*/
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#define CFG_HIGH 0 /* Pins are active high */
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#define CFG_LOW 1 /* Pins are active low */
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typedef struct vidinfo {
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ushort vl_col; /* Number of columns (i.e. 640) */
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ushort vl_row; /* Number of rows (i.e. 480) */
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ushort vl_width; /* Width of display area in millimeters */
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ushort vl_height; /* Height of display area in millimeters */
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/* LCD configuration register.
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*/
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u_char vl_clkp; /* Clock polarity */
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u_char vl_oep; /* Output Enable polarity */
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u_char vl_hsp; /* Horizontal Sync polarity */
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u_char vl_vsp; /* Vertical Sync polarity */
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u_char vl_dp; /* Data polarity */
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u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
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u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
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u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
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u_char vl_clor; /* Color, 0 = mono, 1 = color */
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u_char vl_tft; /* 0 = passive, 1 = TFT */
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/* Horizontal control register. Timing from data sheet.
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*/
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ushort vl_wbl; /* Wait between lines */
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/* Vertical control register.
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*/
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u_char vl_vpw; /* Vertical sync pulse width */
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u_char vl_lcdac; /* LCD AC timing */
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u_char vl_wbf; /* Wait between frames */
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} vidinfo_t;
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#define LCD_MONOCHROME 0
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#define LCD_COLOR2 1
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#define LCD_COLOR4 2
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#define LCD_COLOR8 3
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_KYOCERA_KCS057QV1AJ
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/*
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* Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
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*/
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#define LCD_BPP LCD_COLOR4
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static vidinfo_t panel_info = {
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640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
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LCD_BPP, 1, 0, 1, 0, 5, 0, 0, 0
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_KYOCERA_KCS057QV1AJ */
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_NEC_NL6648AC33
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/*
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* NEC NL6648AC33-18. Active, color, single scan.
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*/
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static vidinfo_t panel_info = {
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640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
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3, 0, 0, 1, 1, 144, 2, 0, 33
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_NEC_NL6648AC33 */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_NEC_NL6648BC20
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/*
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* NEC NL6648BC20-08. 6.5", 640x480. Active, color, single scan.
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*/
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static vidinfo_t panel_info = {
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640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
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3, 0, 0, 1, 1, 144, 2, 0, 33
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_NEC_NL6648BC20 */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_SHARP_LQ104V7DS01
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/*
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* SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
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*/
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static vidinfo_t panel_info = {
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640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
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3, 0, 0, 1, 1, 25, 1, 0, 33
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_SHARP_LQ104V7DS01 */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_SHARP_16x9
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/*
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* Sharp 320x240. Active, color, single scan. It isn't 16x9, and I am
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* not sure what it is.......
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*/
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static vidinfo_t panel_info = {
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320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
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3, 0, 0, 1, 1, 15, 4, 0, 3
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};
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#endif /* CONFIG_SHARP_16x9 */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_SHARP_LQ057Q3DC02
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/*
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* Sharp LQ057Q3DC02 display. Active, color, single scan.
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*/
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#define LCD_DF 12
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static vidinfo_t panel_info = {
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320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
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3, 0, 0, 1, 1, 15, 4, 0, 3
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/* wbl, vpw, lcdac, wbf */
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};
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#define LCD_INFO_BELOW_LOGO
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#endif /* CONFIG_SHARP_LQ057Q3DC02 */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_SHARP_LQ64D341
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/*
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* Sharp LQ64D341 display, 640x480. Active, color, single scan.
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*/
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static vidinfo_t panel_info = {
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640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
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3, 0, 0, 1, 1, 128, 16, 0, 32
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_SHARP_LQ64D341 */
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#ifdef CONFIG_SHARP_LQ084V1DG21
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/*
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* Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.
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*/
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static vidinfo_t panel_info = {
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640, 480, 171, 129, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
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3, 0, 0, 1, 1, 160, 3, 0, 48
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_SHARP_LQ084V1DG21 */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_HLD1045
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/*
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* HLD1045 display, 640x480. Active, color, single scan.
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*/
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static vidinfo_t panel_info = {
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640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
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3, 0, 0, 1, 1, 160, 3, 0, 48
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_HLD1045 */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_PRIMEVIEW_V16C6448AC
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/*
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* Prime View V16C6448AC
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*/
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static vidinfo_t panel_info = {
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640, 480, 130, 98, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
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3, 0, 0, 1, 1, 144, 2, 0, 35
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/* wbl, vpw, lcdac, wbf */
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};
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#endif /* CONFIG_PRIMEVIEW_V16C6448AC */
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/*----------------------------------------------------------------------*/
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#ifdef CONFIG_OPTREX_BW
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/*
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* Optrex CBL50840-2 NF-FW 99 22 M5
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* or
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* Hitachi LMG6912RPFC-00T
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* or
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* Hitachi SP14Q002
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*
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* 320x240. Black & white.
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*/
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#define OPTREX_BPP 0 /* 0 - monochrome, 1 bpp */
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/* 1 - 4 grey levels, 2 bpp */
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/* 2 - 16 grey levels, 4 bpp */
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static vidinfo_t panel_info = {
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320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
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OPTREX_BPP, 0, 0, 0, 0, 0, 0, 0, 0, 4
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};
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#endif /* CONFIG_OPTREX_BW */
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/*-----------------------------------------------------------------*/
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#ifdef CONFIG_EDT32F10
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/*
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* Emerging Display Technologies 320x240. Passive, monochrome, single scan.
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*/
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#define LCD_BPP LCD_MONOCHROME
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#define LCD_DF 10
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static vidinfo_t panel_info = {
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320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
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LCD_BPP, 0, 0, 0, 0, 33, 0, 0, 0
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};
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#endif
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/*----------------------------------------------------------------------*/
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#if defined(LCD_INFO_BELOW_LOGO)
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# define LCD_INFO_X 0
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# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
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#elif defined(CONFIG_LCD_LOGO)
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# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
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# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
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#else
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# define LCD_INFO_X (VIDEO_FONT_WIDTH)
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# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
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#endif
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#ifndef LCD_BPP
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#define LCD_BPP LCD_COLOR8
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#endif
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#ifndef LCD_DF
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#define LCD_DF 1
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#endif
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#define NBITS(bit_code) (1 << (bit_code))
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#define NCOLORS(bit_code) (1 << NBITS(bit_code))
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static int lcd_line_length;
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static int lcd_color_fg;
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static int lcd_color_bg;
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static char lcd_is_enabled = 0; /* Indicate that LCD is enabled */
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/*
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* Frame buffer memory information
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*/
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static void *lcd_base; /* Start of framebuffer memory */
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static void *lcd_console_address; /* Start of console buffer */
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/************************************************************************/
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/* ** CONSOLE CONSTANTS */
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/************************************************************************/
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#if LCD_BPP == LCD_MONOCHROME
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/*
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* Simple color definitions
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*/
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#define CONSOLE_COLOR_BLACK 0
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#define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
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#else
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/*
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* Simple color definitions
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*/
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#define CONSOLE_COLOR_BLACK 0
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#define CONSOLE_COLOR_RED 1
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#define CONSOLE_COLOR_GREEN 2
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#define CONSOLE_COLOR_YELLOW 3
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#define CONSOLE_COLOR_BLUE 4
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#define CONSOLE_COLOR_MAGENTA 5
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#define CONSOLE_COLOR_CYAN 6
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#define CONSOLE_COLOR_GREY 14
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#define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
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#endif
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#if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
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#error Default Color Map overlaps with Logo Color Map
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#endif
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/************************************************************************/
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#ifndef PAGE_SIZE
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#define PAGE_SIZE 4096
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#endif
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/************************************************************************/
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/* ** CONSOLE DEFINITIONS & FUNCTIONS */
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/************************************************************************/
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#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
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#define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
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/ VIDEO_FONT_HEIGHT)
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#else
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#define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
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#endif
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#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
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#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
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#define CONSOLE_ROW_FIRST (lcd_console_address)
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#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
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#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
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- CONSOLE_ROW_SIZE)
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#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
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#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
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#if LCD_BPP == LCD_MONOCHROME
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#define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
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(c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
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#elif LCD_BPP == LCD_COLOR8
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#define COLOR_MASK(c) (c)
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#else
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#error Unsupported LCD BPP.
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#endif
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static short console_col;
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static short console_row;
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/************************************************************************/
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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_ctrl_init (void *lcdbase);
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static 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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static 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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static 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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#ifdef NOT_USED_SO_FAR
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static void lcd_disable (void);
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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;
|
|
|
|
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 */
|
|
/************************************************************************/
|
|
|
|
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;
|
|
}
|
|
#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
|
|
|
|
#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) );
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
/************************************************************************/
|
|
/* ----------------- chipset specific functions ----------------------- */
|
|
/************************************************************************/
|
|
|
|
static void lcd_ctrl_init (void *lcdbase)
|
|
{
|
|
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
|
volatile lcd823_t *lcdp = &immr->im_lcd;
|
|
|
|
uint lccrtmp;
|
|
|
|
/* Initialize the LCD control register according to the LCD
|
|
* parameters defined. We do everything here but enable
|
|
* the controller.
|
|
*/
|
|
|
|
lccrtmp = LCDBIT (LCCR_BNUM_BIT,
|
|
(((panel_info.vl_row * panel_info.vl_col) * (1 << LCD_BPP)) / 128));
|
|
|
|
lccrtmp |= LCDBIT (LCCR_CLKP_BIT, panel_info.vl_clkp) |
|
|
LCDBIT (LCCR_OEP_BIT, panel_info.vl_oep) |
|
|
LCDBIT (LCCR_HSP_BIT, panel_info.vl_hsp) |
|
|
LCDBIT (LCCR_VSP_BIT, panel_info.vl_vsp) |
|
|
LCDBIT (LCCR_DP_BIT, panel_info.vl_dp) |
|
|
LCDBIT (LCCR_BPIX_BIT, panel_info.vl_bpix) |
|
|
LCDBIT (LCCR_LBW_BIT, panel_info.vl_lbw) |
|
|
LCDBIT (LCCR_SPLT_BIT, panel_info.vl_splt) |
|
|
LCDBIT (LCCR_CLOR_BIT, panel_info.vl_clor) |
|
|
LCDBIT (LCCR_TFT_BIT, panel_info.vl_tft);
|
|
|
|
#if 0
|
|
lccrtmp |= ((SIU_LEVEL5 / 2) << 12);
|
|
lccrtmp |= LCCR_EIEN;
|
|
#endif
|
|
|
|
lcdp->lcd_lccr = lccrtmp;
|
|
lcdp->lcd_lcsr = 0xFF; /* Clear pending interrupts */
|
|
|
|
/* Initialize LCD controller bus priorities.
|
|
*/
|
|
immr->im_siu_conf.sc_sdcr &= ~0x0f; /* RAID = LAID = 0 */
|
|
|
|
/* set SHFT/CLOCK division factor 4
|
|
* This needs to be set based upon display type and processor
|
|
* speed. The TFT displays run about 20 to 30 MHz.
|
|
* I was running 64 MHz processor speed.
|
|
* The value for this divider must be chosen so the result is
|
|
* an integer of the processor speed (i.e., divide by 3 with
|
|
* 64 MHz would be bad).
|
|
*/
|
|
immr->im_clkrst.car_sccr &= ~0x1F;
|
|
immr->im_clkrst.car_sccr |= LCD_DF; /* was 8 */
|
|
|
|
#ifndef CONFIG_EDT32F10
|
|
/* Enable LCD on port D.
|
|
*/
|
|
immr->im_ioport.iop_pdpar |= 0x1FFF;
|
|
immr->im_ioport.iop_pddir |= 0x1FFF;
|
|
|
|
/* Enable LCD_A/B/C on port B.
|
|
*/
|
|
immr->im_cpm.cp_pbpar |= 0x00005001;
|
|
immr->im_cpm.cp_pbdir |= 0x00005001;
|
|
#else
|
|
/* Enable LCD on port D.
|
|
*/
|
|
immr->im_ioport.iop_pdpar |= 0x1DFF;
|
|
immr->im_ioport.iop_pdpar &= ~0x0200;
|
|
immr->im_ioport.iop_pddir |= 0x1FFF;
|
|
immr->im_ioport.iop_pddat |= 0x0200;
|
|
#endif
|
|
|
|
/* Load the physical address of the linear frame buffer
|
|
* into the LCD controller.
|
|
* BIG NOTE: This has to be modified to load A and B depending
|
|
* upon the split mode of the LCD.
|
|
*/
|
|
lcdp->lcd_lcfaa = (ulong)lcd_base;
|
|
lcdp->lcd_lcfba = (ulong)lcd_base;
|
|
|
|
/* MORE HACKS...This must be updated according to 823 manual
|
|
* for different panels.
|
|
*/
|
|
#ifndef CONFIG_EDT32F10
|
|
lcdp->lcd_lchcr = LCHCR_BO |
|
|
LCDBIT (LCHCR_AT_BIT, 4) |
|
|
LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col) |
|
|
panel_info.vl_wbl;
|
|
#else
|
|
lcdp->lcd_lchcr = LCHCR_BO |
|
|
LCDBIT (LCHCR_AT_BIT, 4) |
|
|
LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col/4) |
|
|
panel_info.vl_wbl;
|
|
#endif
|
|
|
|
lcdp->lcd_lcvcr = LCDBIT (LCVCR_VPW_BIT, panel_info.vl_vpw) |
|
|
LCDBIT (LCVCR_LCD_AC_BIT, panel_info.vl_lcdac) |
|
|
LCDBIT (LCVCR_VPC_BIT, panel_info.vl_row) |
|
|
panel_info.vl_wbf;
|
|
|
|
}
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
#ifdef NOT_USED_SO_FAR
|
|
static void
|
|
lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
|
|
{
|
|
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
|
volatile cpm8xx_t *cp = &(immr->im_cpm);
|
|
unsigned short colreg, *cmap_ptr;
|
|
|
|
cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
|
|
|
|
colreg = *cmap_ptr;
|
|
#ifdef CFG_INVERT_COLORS
|
|
colreg ^= 0x0FFF;
|
|
#endif
|
|
|
|
*red = (colreg >> 8) & 0x0F;
|
|
*green = (colreg >> 4) & 0x0F;
|
|
*blue = colreg & 0x0F;
|
|
}
|
|
#endif /* NOT_USED_SO_FAR */
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
#if LCD_BPP == LCD_COLOR8
|
|
static void
|
|
lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
|
|
{
|
|
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
|
volatile cpm8xx_t *cp = &(immr->im_cpm);
|
|
unsigned short colreg, *cmap_ptr;
|
|
|
|
cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
|
|
|
|
colreg = ((red & 0x0F) << 8) |
|
|
((green & 0x0F) << 4) |
|
|
(blue & 0x0F) ;
|
|
#ifdef CFG_INVERT_COLORS
|
|
colreg ^= 0x0FFF;
|
|
#endif
|
|
*cmap_ptr = colreg;
|
|
|
|
debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %02X%02X\n",
|
|
regno, &(cp->lcd_cmap[regno * 2]),
|
|
red, green, blue,
|
|
cp->lcd_cmap[ regno * 2 ], cp->lcd_cmap[(regno * 2) + 1]);
|
|
}
|
|
#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);
|
|
ushort regno;
|
|
|
|
for (regno = 0; regno < 16; regno++) {
|
|
cp->lcd_cmap[regno * 2] = 0;
|
|
cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
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;
|
|
}
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
static void lcd_enable (void)
|
|
{
|
|
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
|
volatile lcd823_t *lcdp = &immr->im_lcd;
|
|
|
|
/* Enable the LCD panel */
|
|
immr->im_siu_conf.sc_sdcr |= (1 << (31 - 25)); /* LAM = 1 */
|
|
lcdp->lcd_lccr |= LCCR_PON;
|
|
|
|
#ifdef CONFIG_V37
|
|
/* Turn on display backlight */
|
|
immr->im_cpm.cp_pbpar |= 0x00008000;
|
|
immr->im_cpm.cp_pbdir |= 0x00008000;
|
|
#endif
|
|
|
|
#if defined(CONFIG_LWMON)
|
|
{ uchar c = pic_read (0x60);
|
|
c |= 0x07; /* Power on CCFL, Enable CCFL, Chip Enable LCD */
|
|
pic_write (0x60, c);
|
|
}
|
|
#endif /* CONFIG_LWMON */
|
|
|
|
#if defined(CONFIG_R360MPI)
|
|
{
|
|
extern void r360_i2c_lcd_write (uchar data0, uchar data1);
|
|
|
|
r360_i2c_lcd_write(0x10, 0x01);
|
|
r360_i2c_lcd_write(0x20, 0x01);
|
|
r360_i2c_lcd_write(0x3F, 0xFF);
|
|
r360_i2c_lcd_write(0x47, 0xFF);
|
|
}
|
|
#endif /* CONFIG_R360MPI */
|
|
}
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
#ifdef NOT_USED_SO_FAR
|
|
static void lcd_disable (void)
|
|
{
|
|
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
|
volatile lcd823_t *lcdp = &immr->im_lcd;
|
|
|
|
#if defined(CONFIG_LWMON)
|
|
{ uchar c = pic_read (0x60);
|
|
c &= ~0x07; /* Power off CCFL, Disable CCFL, Chip Disable LCD */
|
|
pic_write (0x60, c);
|
|
}
|
|
#elif defined(CONFIG_R360MPI)
|
|
{
|
|
extern void r360_i2c_lcd_write (uchar data0, uchar data1);
|
|
|
|
r360_i2c_lcd_write(0x10, 0x00);
|
|
r360_i2c_lcd_write(0x20, 0x00);
|
|
r360_i2c_lcd_write(0x30, 0x00);
|
|
r360_i2c_lcd_write(0x40, 0x00);
|
|
}
|
|
#endif /* CONFIG_LWMON */
|
|
/* Disable the LCD panel */
|
|
lcdp->lcd_lccr &= ~LCCR_PON;
|
|
immr->im_siu_conf.sc_sdcr &= ~(1 << (31 - 25)); /* LAM = 0 */
|
|
}
|
|
#endif /* NOT_USED_SO_FAR */
|
|
|
|
|
|
/************************************************************************/
|
|
/* ** Chipset depending Bitmap / Logo stuff... */
|
|
/************************************************************************/
|
|
|
|
|
|
#ifdef CONFIG_LCD_LOGO
|
|
static void bitmap_plot (int x, int y)
|
|
{
|
|
volatile immap_t *immr = (immap_t *) CFG_IMMR;
|
|
volatile cpm8xx_t *cp = &(immr->im_cpm);
|
|
ushort *cmap;
|
|
ushort i;
|
|
uchar *bmap;
|
|
uchar *fb;
|
|
|
|
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 *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
|
|
|
|
/* 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)
|
|
{
|
|
#ifdef LCD_INFO
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
char info[80];
|
|
char temp[32];
|
|
#endif /* LCD_INFO */
|
|
|
|
#ifdef CONFIG_LCD_LOGO
|
|
bitmap_plot (0, 0);
|
|
#endif /* CONFIG_LCD_LOGO */
|
|
|
|
|
|
#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) 2002 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 /* 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 */
|