| /* |
| * 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; |
| extern struct vidinfo panel_info; |
| |
| extern void lcd_ctrl_init (void *lcdbase); |
| extern void lcd_enable (void); |
| |
| /* setcolreg used in 8bpp/16bpp; initcolregs used in monochrome */ |
| extern void lcd_setcolreg (ushort regno, |
| ushort red, ushort green, ushort blue); |
| extern void lcd_initcolregs (void); |
| |
| /* gunzip_bmp used if CONFIG_VIDEO_BMP_GZIP */ |
| extern struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp); |
| |
| #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_ATMEL_LCD) |
| |
| typedef struct vidinfo { |
| u_long vl_col; /* Number of columns (i.e. 640) */ |
| u_long vl_row; /* Number of rows (i.e. 480) */ |
| u_long vl_clk; /* pixel clock in ps */ |
| |
| /* LCD configuration register */ |
| u_long vl_sync; /* Horizontal / vertical sync */ |
| u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */ |
| u_long vl_tft; /* 0 = passive, 1 = TFT */ |
| |
| /* Horizontal control register. */ |
| u_long vl_hsync_len; /* Length of horizontal sync */ |
| u_long vl_left_margin; /* Time from sync to picture */ |
| u_long vl_right_margin; /* Time from picture to sync */ |
| |
| /* Vertical control register. */ |
| u_long vl_vsync_len; /* Length of vertical sync */ |
| u_long vl_upper_margin; /* Time from sync to picture */ |
| u_long vl_lower_margin; /* Time from picture to sync */ |
| |
| u_long mmio; /* Memory mapped registers */ |
| } vidinfo_t; |
| |
| extern vidinfo_t panel_info; |
| |
| #else |
| |
| 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 */ |
| |
| ushort *cmap; /* Pointer to the colormap */ |
| |
| void *priv; /* Pointer to driver-specific data */ |
| } vidinfo_t; |
| |
| #endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 or CONFIG_ATMEL_LCD */ |
| |
| /* 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, ...); |
| |
| /* Allow boards to customize the information displayed */ |
| void lcd_show_board_info(void); |
| |
| /************************************************************************/ |
| /* ** BITMAP DISPLAY SUPPORT */ |
| /************************************************************************/ |
| #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
| # include <bmp_layout.h> |
| # include <asm/byteorder.h> |
| #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 CONFIG_SYS_HIGH 0 /* Pins are active high */ |
| #define CONFIG_SYS_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_ */ |