lcd.c.svn-base

u-boot for S3c2443 processor

/*
 * (C) Copyright 2001-2002
 * Wolfgang Denk, DENX Software Engineering -- [e-mail]
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/************************************************************************/
/* ** HEADER FILES							*/
/************************************************************************/

/* #define DEBUG */

#include <config.h>
#include <common.h>
#include <watchdog.h>
#include <version.h>
#include <stdarg.h>
#include <lcdvideo.h>
#include <linux/types.h>
#include <devices.h>
#if defined(CONFIG_POST)
#include <post.h>
#endif
#include <lcd.h>

#ifdef CONFIG_LCD

/************************************************************************/
/* ** CONFIG STUFF -- should be moved to board config file		*/
/************************************************************************/
#define CONFIG_LCD_LOGO
#define LCD_INFO		/* Display Logo, (C) and system info	*/

#if defined(CONFIG_V37) || defined(CONFIG_EDT32F10)
#undef CONFIG_LCD_LOGO
#undef LCD_INFO
#endif

/* #define LCD_TEST_PATTERN */	/* color backgnd for frame/color adjust */
/* #define CFG_INVERT_COLORS */	/* Not needed - adjust vl_dp instead 	*/
/************************************************************************/

/************************************************************************/
/* ** BITMAP DISPLAY SUPPORT  -- should probably be moved elsewhere	*/
/************************************************************************/

#if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
#include <bmp_layout.h>
#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */

/************************************************************************/
/* ** FONT AND LOGO DATA						*/
/************************************************************************/

#include <video_font.h>		/* Get font data, width and height	*/

#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 */

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;

#define LCD_MONOCHROME	0
#define LCD_COLOR2	1
#define LCD_COLOR4	2
#define LCD_COLOR8	3

/*----------------------------------------------------------------------*/
#ifdef CONFIG_KYOCERA_KCS057QV1AJ
/*
 *  Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
 */
#define LCD_BPP	LCD_COLOR4

static vidinfo_t panel_info = {
    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
    LCD_BPP, 1, 0, 1, 0,  5, 0, 0, 0
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_KYOCERA_KCS057QV1AJ */
/*----------------------------------------------------------------------*/

/*----------------------------------------------------------------------*/
#ifdef CONFIG_HITACHI_SP19X001_Z1A
/*
 *  Hitachi SP19X001-. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 154, 116, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
    LCD_COLOR8, 1, 0, 1, 0, 0, 0, 0, 0
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_HITACHI_SP19X001_Z1A */
/*----------------------------------------------------------------------*/

/*----------------------------------------------------------------------*/
#ifdef CONFIG_NEC_NL6448AC33
/*
 *  NEC NL6448AC33-18. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
    3, 0, 0, 1, 1, 144, 2, 0, 33
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6448AC33 */
/*----------------------------------------------------------------------*/

#ifdef CONFIG_NEC_NL6448BC20
/*
 *  NEC NL6448BC20-08.  6.5", 640x480. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
    3, 0, 0, 1, 1, 144, 2, 0, 33
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6448BC20 */
/*----------------------------------------------------------------------*/

#ifdef CONFIG_NEC_NL6448BC33_54
/*
 *  NEC NL6448BC33-54. 10.4", 640x480. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 212, 158, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
    3, 0, 0, 1, 1, 144, 2, 0, 33
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6448BC33_54 */
/*----------------------------------------------------------------------*/

#ifdef CONFIG_SHARP_LQ104V7DS01
/*
 *  SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
    3, 0, 0, 1, 1, 25, 1, 0, 33
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ104V7DS01 */
/*----------------------------------------------------------------------*/

#ifdef CONFIG_SHARP_16x9
/*
 * Sharp 320x240. Active, color, single scan.  It isn't 16x9, and I am
 * not sure what it is.......
 */
static vidinfo_t panel_info = {
    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
    3, 0, 0, 1, 1, 15, 4, 0, 3
};
#endif /* CONFIG_SHARP_16x9 */
/*----------------------------------------------------------------------*/

#ifdef CONFIG_SHARP_LQ057Q3DC02
/*
 * Sharp LQ057Q3DC02 display. Active, color, single scan.
 */
#define LCD_DF 12

static vidinfo_t panel_info = {
    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
    3, 0, 0, 1, 1, 15, 4, 0, 3
		/* wbl, vpw, lcdac, wbf */
};
#define LCD_INFO_BELOW_LOGO
#endif /* CONFIG_SHARP_LQ057Q3DC02 */
/*----------------------------------------------------------------------*/

#ifdef CONFIG_SHARP_LQ64D341
/*
 * Sharp LQ64D341 display, 640x480. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
    3, 0, 0, 1, 1, 128, 16, 0, 32
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ64D341 */

#ifdef CONFIG_SHARP_LQ065T9DR51U
/*
 * Sharp LQ065T9DR51U display, 400x240. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    400, 240, 143, 79, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
    3, 0, 0, 1, 1, 248, 4, 0, 35
		/* wbl, vpw, lcdac, wbf */
};
#define LCD_INFO_BELOW_LOGO
#endif /* CONFIG_SHARP_LQ065T9DR51U */

#ifdef CONFIG_SHARP_LQ084V1DG21
/*
 * Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 171, 129, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
    3, 0, 0, 1, 1, 160, 3, 0, 48
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ084V1DG21 */

/*----------------------------------------------------------------------*/

#ifdef CONFIG_HLD1045
/*
 * HLD1045 display, 640x480. Active, color, single scan.
 */
static vidinfo_t panel_info = {
    640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
    3, 0, 0, 1, 1, 160, 3, 0, 48
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_HLD1045 */
/*----------------------------------------------------------------------*/

#ifdef CONFIG_PRIMEVIEW_V16C6448AC
/*
 * Prime View V16C6448AC
 */
static vidinfo_t panel_info = {
    640, 480, 130, 98, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
    3, 0, 0, 1, 1, 144, 2, 0, 35
		/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_PRIMEVIEW_V16C6448AC */

/*----------------------------------------------------------------------*/

#ifdef CONFIG_OPTREX_BW
/*
 * Optrex   CBL50840-2 NF-FW 99 22 M5
 * or
 * Hitachi  LMG6912RPFC-00T
 * or
 * Hitachi  SP14Q002
 *
 * 320x240. Black & white.
 */
#define OPTREX_BPP	0	/* 0 - monochrome,     1 bpp */
				/* 1 -  4 grey levels, 2 bpp */
				/* 2 - 16 grey levels, 4 bpp */
static vidinfo_t panel_info = {
    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
    OPTREX_BPP, 0, 0, 0, 0, 0, 0, 0, 0, 4
};
#endif /* CONFIG_OPTREX_BW */

/*-----------------------------------------------------------------*/
#ifdef CONFIG_EDT32F10
/*
 * Emerging Display Technologies 320x240. Passive, monochrome, single scan.
 */
#define LCD_BPP		LCD_MONOCHROME
#define LCD_DF		10

static vidinfo_t panel_info = {
    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
    LCD_BPP,  0, 0, 0, 0, 33, 0, 0, 0
};
#endif
/*----------------------------------------------------------------------*/

#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;

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 */

#else

/*
 * 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 */

#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)
#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);

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);
#endif
#if LCD_BPP == LCD_MONOCHROME
static void	lcd_initcolregs (void);
#endif
static int	lcd_getbgcolor (void);
static void	lcd_setfgcolor (int color);
static void	lcd_setbgcolor (int color);

#if defined(CONFIG_RBC823)
void	lcd_disable (void);
#endif

#ifdef	NOT_USED_SO_FAR
static void	lcd_getcolreg (ushort regno,