include/lcd.h - platform/external/u-boot - Gitiles

 /*
  * MPC823 and PXA LCD Controller
  *
  * Modeled after video interface by Paolo Scaffardi
  *
  *
  * (C) Copyright 2001
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * 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
  */

 #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;

 #elif defined(CONFIG_MCC200)
 typedef struct vidinfo {
 	ushort	vl_col;		/* Number of columns (i.e. 160) */
 	ushort	vl_row;		/* Number of rows (i.e. 100) */

 	u_char	vl_bpix;	/* Bits per pixel, 0 = 1 */
 } vidinfo_t;
 #endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 */

 /* Video functions */

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


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

 /*
  *  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(CONFIG_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 */

 /************************************************************************/
 #ifndef PAGE_SIZE
 # define PAGE_SIZE	4096
 #endif

 /************************************************************************/
 /* ** CONSOLE DEFINITIONS & FUNCTIONS					*/
 /************************************************************************/
 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_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_ */
	/*
	* MPC823 and PXA LCD Controller
	*
	* Modeled after video interface by Paolo Scaffardi
	*
	*
	* (C) Copyright 2001
	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	*
	* 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
	*/

	#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;

	#elif defined(CONFIG_MCC200)
	typedef struct vidinfo {
	ushort vl_col; /* Number of columns (i.e. 160) */
	ushort vl_row; /* Number of rows (i.e. 100) */

	u_char vl_bpix; /* Bits per pixel, 0 = 1 */
	} vidinfo_t;
	#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 */

	/* Video functions */

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


	/* 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_CMD_BMP) \|\| defined(CONFIG_SPLASH_SCREEN)
	# include <bmp_layout.h>
	# include <asm/byteorder.h>
	#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) \|\| CONFIG_SPLASH_SCREEN */

	/*
	* 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(CONFIG_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 */

	/************************************************************************/
	#ifndef PAGE_SIZE
	# define PAGE_SIZE 4096
	#endif

	/************************************************************************/
	/* ** CONSOLE DEFINITIONS & FUNCTIONS */
	/************************************************************************/
	#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_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_ */