From: wdenk Date: Sat, 3 Nov 2001 22:15:16 +0000 (+0000) Subject: Add LCD driver for MPC823 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a66c036907630e4943712477c78c61b7ddacab0f;p=users%2Frw%2Fppcboot.git Add LCD driver for MPC823 --- diff --git a/cpu/mpc8xx/lcd.c b/cpu/mpc8xx/lcd.c new file mode 100644 index 0000000..043d325 --- /dev/null +++ b/cpu/mpc8xx/lcd.c @@ -0,0 +1,886 @@ +/* + * (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 + */ + +/************************************************************************/ +/* ** HEADER FILES */ +/************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include + + +#ifdef CONFIG_LCD + +/************************************************************************/ +/* ** DEBUG SETTINGS */ +/************************************************************************/ + +#undef LCD_DEBUG + +#ifdef LCD_DEBUG +#define DEBUGF(fmt,args...) printf(fmt ,##args) +#else +#define DEBUGF(fmt,args...) +#endif + +/************************************************************************/ +/* ** CONFIG STUFF -- should be moved to board config file */ +/************************************************************************/ +#define CONFIG_LCD_LOGO +#define LCD_INFO +//#define LCD_TEST_PATTERN +/************************************************************************/ + +/************************************************************************/ +/* ** FONT AND LOGO DATA */ +/************************************************************************/ + +#include /* Get font data, width and height */ + +#ifdef CONFIG_LCD_LOGO +# include /* Get logo data, width and height */ + +# 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 + +/************************************************************************/ +/* ** CONSOLE CONSTANTS */ +/************************************************************************/ + +/* + * 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 */ + +#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 + +/************************************************************************/ + +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); + +static int lcd_init (bd_t *bd, void *lcdbase); +static void lcd_ctrl_init (void *lcdbase); +static void lcd_enable (void); +static void *lcd_logo (bd_t *bd); +static void lcd_setcolreg (ushort regno, + ushort red, ushort green, ushort blue); +static int lcd_getbgcolor (void); +static void lcd_setfgcolor (int color); +static void lcd_setbgcolor (int color); + +#ifdef NOT_USED_SO_FAR +static void lcd_disable (void); +static void lcd_getcolreg (ushort regno, + ushort *red, ushort *green, ushort *blue); +static int lcd_getfgcolor (void); +#endif /* NOT_USED_SO_FAR */ + +/************************************************************************/ +/************************************************************************/ + +/* + * 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 = dual, 1 = single */ + 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; + +/*----------------------------------------------------------------------*/ +#ifdef CONFIG_NEC_NL6648AC33 +/* + * NEC NL6648AC33-18. 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_NL6648AC33 */ +/*----------------------------------------------------------------------*/ + +#ifdef CONFIG_NEC_NL6648BC20 +/* + * NEC NL6648BC20-08. 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_NL6648BC20 */ +/*----------------------------------------------------------------------*/ + +#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_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_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_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 */ +/*----------------------------------------------------------------------*/ + +#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; + +static 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 DEFINITIONS & FUNCTIONS */ +/************************************************************************/ + +#ifdef CONFIG_LCD_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) + +static short console_col; +static short console_row; + +/*----------------------------------------------------------------------*/ + +static void console_scrollup (void) +{ +#if 1 + /* Copy up rows ignoring the first one */ + memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); + + /* Clear the last one */ + /* + * WARNING: the following code assumes 8 Bits per pixel + */ + memset (CONSOLE_ROW_LAST, lcd_color_bg, CONSOLE_ROW_SIZE); +#else + /* + * Poor attempt to optimize speed by moving "long"s. + * But the code is ugly, and not a bit faster :-( + */ + ulong *t = (ulong *)CONSOLE_ROW_FIRST; + ulong *s = (ulong *)CONSOLE_ROW_SECOND; + ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong); + uchar c = lcd_color_bg & 0xFF; + ulong val= (c<<24) | (c<<16) | (c<<8) | c; + + while (l--) + *t++ = *s++; + + t = (ulong *)CONSOLE_ROW_LAST; + l = CONSOLE_ROW_SIZE / sizeof(ulong); + + while (l-- > 0) + *t++ = val; +#endif +} + +/*----------------------------------------------------------------------*/ + +static inline void console_back (void) +{ + if (--console_col < 0) { + console_col = CONSOLE_COLS-1 ; + if (--console_row < 0) { + console_row = 0; + } + } + + lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, + console_row * VIDEO_FONT_HEIGHT, + ' '); +} + +/*----------------------------------------------------------------------*/ + +static inline void console_newline (void) +{ + ++console_row; + console_col = 0; + + /* Check if we need to scroll the terminal */ + if (console_row >= CONSOLE_ROWS) { + /* Scroll everything up */ + console_scrollup () ; + --console_row; + } +} + +/*----------------------------------------------------------------------*/ + +void lcd_putc (const char c) +{ + if (!lcd_is_enabled) { + serial_putc(c); + return; + } + + switch (c) { + case '\r': console_col = 0; + return; + + case '\n': console_newline(); + return; + + case '\t': /* Tab (8 chars alignment) */ + console_col |= 8; + console_col &= ~7; + + if (console_col >= CONSOLE_COLS) { + console_newline(); + } + 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 row; + + dest = (uchar *)(lcd_base + y * lcd_line_length + x); + + /* + * WARNING: the following code assumes 8 Bits per pixel + */ + for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { + uchar *s = str; + uchar *d = dest; + int i; + + for (i=0; ilcd_base); + + lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; + + lcd_init (bd, 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 (bd_t *bd, void *lcdbase) +{ + /* Initialize the lcd controller */ + DEBUGF ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); + + lcd_ctrl_init (lcdbase); + + /* 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); + +#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 */ + /* + * WARNING: the following code assumes 8 Bits per pixel + */ + memset ((char *)lcd_base, + lcd_getbgcolor(), + lcd_line_length*panel_info.vl_row); +#endif + + lcd_enable (); + + /* Paint the logo and retrieve LCD base address */ + DEBUGF ("[LCD] Drawing the logo...\n"); + lcd_console_address = lcd_logo (bd); + + /* Initialize the console */ + console_col = 0; + console_row = 1; /* leave 1 blank line below logo */ + 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; + + DEBUGF ("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; + + DEBUGF ("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) * 8) / 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 |= 1; /* was 8 */ + + /* 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; + + /* 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. + */ + lcdp->lcd_lchcr = LCHCR_BO | + LCDBIT (LCHCR_AT_BIT, 4) | + LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col) | + panel_info.vl_wbl; + 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); + + *red = (cp->lcd_cmap[ regno * 2 ] & 0x0f); + *green = (cp->lcd_cmap[(regno * 2) + 1] & 0xf0) >> 4; + *blue = (cp->lcd_cmap[(regno * 2) + 1] & 0x0f); +} +#endif /* NOT_USED_SO_FAR */ + +/*----------------------------------------------------------------------*/ + +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); + + cp->lcd_cmap[ regno * 2 ] = (red & 0x0F); + cp->lcd_cmap[(regno * 2) + 1] = ((green & 0x0F) << 4) | (blue & 0x0F); + + DEBUGF ("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]); +} + +/*----------------------------------------------------------------------*/ + +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_LWMON + { uchar c = pic_read (0x60); + c |= 0x07; /* Power on CCFL, Enable CCFL, Chip Enable LCD */ + pic_write (0x60, c); + } +#endif CONFIG_LWMON +} + +/*----------------------------------------------------------------------*/ + +#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; + +#ifdef CONFIG_LWMON + { uchar c = pic_read (0x60); + c &= ~0x07; /* Power off CCFL, Disable CCFL, Chip Disable LCD */ + pic_write (0x60, c); + } +#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; + + DEBUGF ("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) { + *cmap++ = bmp_logo_palette[i]; + } + + bmap = &bmp_logo_bitmap[0]; + fb = (char *)(lcd_base + y * lcd_line_length + x); + + for (i=0; ibi_intfreq), + bd->bi_memsize >> 20, + bd->bi_flashsize >> 20 ); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, + info, strlen(info)); +#endif /* LCD_INFO */ + +#ifdef CONFIG_LCD_LOGO + return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); +#else + return ((void *)lcd_base); +#endif /* CONFIG_LCD_LOGO */ +} + +/************************************************************************/ +/************************************************************************/ + +#endif /* CONFIG_LCD */ diff --git a/include/bmp_logo.h b/include/bmp_logo.h new file mode 100644 index 0000000..c72287a --- /dev/null +++ b/include/bmp_logo.h @@ -0,0 +1,992 @@ +/* + * Automatically generated by "tools/bmp_logo" + * + * DO NOT EDIT + * + */ + + +#ifndef __BMP_LOGO_H__ +#define __BMP_LOGO_H__ + +#define BMP_LOGO_WIDTH 160 +#define BMP_LOGO_HEIGHT 96 +#define BMP_LOGO_COLORS 3 +#define BMP_LOGO_OFFSET 16 + +unsigned short bmp_logo_palette[] = { +#ifndef CFG_WHITE_ON_BLACK + 0x0343, /* grey */ + 0x0fb3, /* yellow */ + 0x0fff, /* white */ +#else + 0x0CCC, /* light grey */ + 0x0FB3, /* yellow */ + 0x0000, /* black */ +#endif +}; + +unsigned char bmp_logo_bitmap[] = { + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, + 16, 16, 16, 16, 16, 16, 16, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, + 16, 16, 16, 16, 16, 16, 16, 18, 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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_ + +// Video functions + +int lcd_init (void *lcdbase); +void lcd_putc (const char c); +void lcd_puts (const char *s); +void lcd_printf (const char *fmt, ...); + +#endif diff --git a/include/lcdvideo.h b/include/lcdvideo.h new file mode 100644 index 0000000..f0640a5 --- /dev/null +++ b/include/lcdvideo.h @@ -0,0 +1,69 @@ +/* + * MPC823 LCD and Video Controller + * Copyright (c) 1999 Dan Malek (dmalek@jlc.net) + */ +#ifndef __LCDVIDEO_H__ +#define __LCDVIDEO_H__ + + +/* LCD Controller Configuration Register. +*/ +#define LCCR_BNUM ((uint)0xfffe0000) +#define LCCR_EIEN ((uint)0x00010000) +#define LCCR_IEN ((uint)0x00008000) +#define LCCR_IRQL ((uint)0x00007000) +#define LCCR_CLKP ((uint)0x00000800) +#define LCCR_OEP ((uint)0x00000400) +#define LCCR_HSP ((uint)0x00000200) +#define LCCR_VSP ((uint)0x00000100) +#define LCCR_DP ((uint)0x00000080) +#define LCCR_BPIX ((uint)0x00000060) +#define LCCR_LBW ((uint)0x00000010) +#define LCCR_SPLT ((uint)0x00000008) +#define LCCR_CLOR ((uint)0x00000004) +#define LCCR_TFT ((uint)0x00000002) +#define LCCR_PON ((uint)0x00000001) + +/* Define the bit shifts to load values into the register. +*/ +#define LCDBIT(BIT, VAL) ((VAL) << (31 - BIT)) + +#define LCCR_BNUM_BIT ((uint)14) +#define LCCR_EIEN_BIT ((uint)15) +#define LCCR_IEN_BIT ((uint)16) +#define LCCR_IROL_BIT ((uint)19) +#define LCCR_CLKP_BIT ((uint)20) +#define LCCR_OEP_BIT ((uint)21) +#define LCCR_HSP_BIT ((uint)22) +#define LCCR_VSP_BIT ((uint)23) +#define LCCR_DP_BIT ((uint)24) +#define LCCR_BPIX_BIT ((uint)26) +#define LCCR_LBW_BIT ((uint)27) +#define LCCR_SPLT_BIT ((uint)28) +#define LCCR_CLOR_BIT ((uint)29) +#define LCCR_TFT_BIT ((uint)30) +#define LCCR_PON_BIT ((uint)31) + +/* LCD Horizontal control register. +*/ +#define LCHCR_BO ((uint)0x01000000) +#define LCHCR_AT ((uint)0x00e00000) +#define LCHCR_HPC ((uint)0x001ffc00) +#define LCHCR_WBL ((uint)0x000003ff) + +#define LCHCR_AT_BIT ((uint)10) +#define LCHCR_HPC_BIT ((uint)21) +#define LCHCR_WBL_BIT ((uint)31) + +/* LCD Vertical control register. +*/ +#define LCVCR_VPW ((uint)0xf0000000) +#define LCVCR_LCD_AC ((uint)0x01e00000) +#define LCVCR_VPC ((uint)0x001ff800) +#define LCVCR_WBF ((uint)0x000003ff) + +#define LCVCR_VPW_BIT ((uint)3) +#define LCVCR_LCD_AC_BIT ((uint)10) +#define LCVCR_VPC_BIT ((uint)20) + +#endif /* __LCDVIDEO_H__ */ diff --git a/tools/bmp_logo.c b/tools/bmp_logo.c new file mode 100755 index 0000000..9ded4b0 --- /dev/null +++ b/tools/bmp_logo.c @@ -0,0 +1,142 @@ +#include +#include + +typedef unsigned char uchar; + +typedef struct bitmap_s { /* bitmap description */ + ushort width; + ushort height; + uchar palette[256*3]; + uchar *data; +} bitmap_t; + +#define DEFAULT_CMAP_SIZE 16 /* size of default color map */ + +void skip_bytes (FILE *fp, int n) +{ + while (n-- > 0) + fgetc (fp); +} + +int main (int argc, char *argv[]) +{ + int i, x; + FILE *fp; + bitmap_t bmp; + bitmap_t *b = &bmp; + ushort n_colors; + + if (argc < 2) { + fprintf (stderr, "Usage: %s file\n", argv[0]); + exit (EXIT_FAILURE); + } + + if ((fp = fopen (argv[1], "rb")) == NULL) { + perror (argv[1]); + exit (EXIT_FAILURE); + } + + if (fgetc (fp) != 'B' || fgetc (fp) != 'M') { + fprintf (stderr, "%s is not a bitmap file.\n", argv[1]); + exit (EXIT_FAILURE); + } + + /* + * read width and height of the image, and the number of colors used; + * ignore the rest + */ + skip_bytes (fp, 16); + fread (&b->width, sizeof (ushort), 1, fp); + skip_bytes (fp, 2); + fread (&b->height, sizeof (ushort), 1, fp); + skip_bytes (fp, 22); + fread (&n_colors, sizeof (ushort), 1, fp); + skip_bytes (fp, 6); + + /* assume we are working with an 8-bit file */ + if ((n_colors == 0) || (n_colors > 256 - DEFAULT_CMAP_SIZE)) { + /* reserve DEFAULT_CMAP_SIZE color map entries for default map */ + n_colors = 256 - DEFAULT_CMAP_SIZE; + } + + printf ("/*\n" + " * Automatically generated by \"tools/bmp_logo\"\n" + " *\n" + " * DO NOT EDIT\n" + " *\n" + " */\n\n\n" + "#ifndef __BMP_LOGO_H__\n" + "#define __BMP_LOGO_H__\n\n" + "#define BMP_LOGO_WIDTH\t\t%d\n" + "#define BMP_LOGO_HEIGHT\t\t%d\n" + "#define BMP_LOGO_COLORS\t\t%d\n" + "#define BMP_LOGO_OFFSET\t\t%d\n" + "\n", + b->width, b->height, n_colors, + DEFAULT_CMAP_SIZE); + + /* allocate memory */ + if ((b->data = (uchar *)malloc(b->width * b->height)) == NULL) { + fclose (fp); + printf ("Error allocating memory for file %s.\n", argv[1]); + exit (EXIT_FAILURE); + } + + /* read and print the palette information */ + printf ("unsigned short bmp_logo_palette[] = {\n"); + + for (i=0; ipalette[(int)(i*3+2)] = fgetc(fp); + b->palette[(int)(i*3+1)] = fgetc(fp); + b->palette[(int)(i*3+0)] = fgetc(fp); + x=fgetc(fp); + +#if 0 + if ((i%4) == 0) + putchar ('\t'); + printf ("0x%02X, 0x%02X, 0x%02X,%s", + b->palette[(int)(i*3+0)], + b->palette[(int)(i*3+1)], + b->palette[(int)(i*3+2)], + ((i%4) == 3) ? "\n" : " " + ); +#else + if ((i%8) == 0) + putchar ('\t'); + printf ("0x0%X%X%X,%s", + (b->palette[(int)(i*3+0)] >> 4) & 0x0F, + (b->palette[(int)(i*3+1)] >> 4) & 0x0F, + (b->palette[(int)(i*3+2)] >> 4) & 0x0F, + ((i%8) == 7) ? "\n" : " " + ); +#endif + } + + /* read the bitmap; leave room for default color map */ + printf ("\n"); + printf ("};\n"); + printf ("\n"); + printf ("unsigned char bmp_logo_bitmap[] = {\n"); + for (i=(b->height-1)*b->width; i>=0; i-=b->width) { + for (x = 0; x < b->width; x++) { + b->data[(ushort) i + x] = (uchar) fgetc (fp) \ + + DEFAULT_CMAP_SIZE; + } + } + fclose (fp); + + for (i=0; i<(b->height*b->width); ++i) { + if ((i%8) == 0) + putchar ('\t'); + printf ("0x%02X,%c", + b->data[i], + ((i%8) == 7) ? '\n' : ' ' + ); + } + printf ("\n" + "};\n\n" + "#endif /* __BMP_LOGO_H__ */\n" + ); + + return (0); +} diff --git a/tools/logos/denx.bmp b/tools/logos/denx.bmp new file mode 100644 index 0000000..c4cde09 Binary files /dev/null and b/tools/logos/denx.bmp differ