mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-30 19:48:19 +00:00
291 lines
8.6 KiB
C
291 lines
8.6 KiB
C
/*
|
|
* 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_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_ */
|