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Diffstat (limited to 'cpu/mpc8xx/lcd.c')
| -rw-r--r-- | cpu/mpc8xx/lcd.c | 1096 |
1 files changed, 1096 insertions, 0 deletions
diff --git a/cpu/mpc8xx/lcd.c b/cpu/mpc8xx/lcd.c new file mode 100644 index 0000000..dbc38e3 --- /dev/null +++ b/cpu/mpc8xx/lcd.c @@ -0,0 +1,1096 @@ +/* + * (C) Copyright 2001-2002 + * 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 <config.h> +#include <common.h> +#include <version.h> +#include <stdarg.h> +#include <lcdvideo.h> +#include <linux/types.h> +#include <devices.h> + + +#ifdef CONFIG_LCD + +/************************************************************************/ +/* ** CONFIG STUFF -- should be moved to board config file */ +/************************************************************************/ +#ifndef CONFIG_EDT32F10 +#define CONFIG_LCD_LOGO +#define LCD_INFO /* Display Logo, (C) and system info */ +#endif +/* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */ +/* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */ +/************************************************************************/ + +/************************************************************************/ +/* ** 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_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_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. + */ +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_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 20 + +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, 0, 15, 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; + +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 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); + +static 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); + +#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 */ + +/************************************************************************/ + +/*----------------------------------------------------------------------*/ + +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 */ + memset (CONSOLE_ROW_LAST, COLOR_MASK(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 off, row; + + dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); + off = x * (1 << LCD_BPP) % 8; + + for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { + uchar *s = str; + uchar *d = dest; + int i; + +#if LCD_BPP == LCD_MONOCHROME + uchar rest = *d & -(1 << (8-off)); + uchar sym; +#endif + for (i=0; i<count; ++i) { + uchar c, bits; + + c = *s++; + bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; + +#if LCD_BPP == LCD_MONOCHROME + sym = (COLOR_MASK(lcd_color_fg) & bits) | + (COLOR_MASK(lcd_color_bg) & ~bits); + + *d++ = rest | (sym >> off); + rest = sym << (8-off); +#elif LCD_BPP == LCD_COLOR8 + for (c=0; c<8; ++c) { + *d++ = (bits & 0x80) ? + lcd_color_fg : lcd_color_bg; + bits <<= 1; + } +#endif + } + +#if LCD_BPP == LCD_MONOCHROME + *d = rest | (*d & ((1 << (8-off)) - 1)); +#endif + } +} + +/*----------------------------------------------------------------------*/ + +static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) +{ +#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO) + lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s)); +#else + lcd_drawchars (x, y, s, strlen (s)); +#endif +} + +/*----------------------------------------------------------------------*/ + +static inline void lcd_putc_xy (ushort x, ushort y, uchar c) +{ +#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO) + lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); +#else + lcd_drawchars (x, y, &c, 1); +#endif +} + +/************************************************************************/ +/** Small utility to check that you got the colours right */ +/************************************************************************/ +#ifdef LCD_TEST_PATTERN + +#define N_BLK_VERT 2 +#define N_BLK_HOR 3 + +static int test_colors[N_BLK_HOR*N_BLK_VERT] = { + CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, + CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, +}; + +static void test_pattern (void) +{ + ushort v_max = panel_info.vl_row; + ushort h_max = panel_info.vl_col; + ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; + ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; + ushort v, h; + uchar *pix = (uchar *)lcd_base; + + printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", + h_max, v_max, h_step, v_step); + + /* WARNING: Code silently assumes 8bit/pixel */ + for (v=0; v<v_max; ++v) { + uchar iy = v / v_step; + for (h=0; h<h_max; ++h) { + uchar ix = N_BLK_HOR * iy + (h/h_step); + *pix++ = test_colors[ix]; + } + } +} +#endif /* LCD_TEST_PATTERN */ + + +/************************************************************************/ +/* ** GENERIC Initialization Routines */ +/************************************************************************/ + +int drv_lcd_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + device_t lcddev; + int rc; + + lcd_base = (void *)(gd->fb_base); + + lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; + + lcd_init (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 (void *lcdbase) +{ + /* Initialize the lcd controller */ + debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); + + lcd_ctrl_init (lcdbase); + +#if LCD_BPP == LCD_MONOCHROME + /* Setting the palette */ + lcd_initcolregs(); + +#elif LCD_BPP == LCD_COLOR8 + /* 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); +#endif + +#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 */ + memset ((char *)lcd_base, + COLOR_MASK(lcd_getbgcolor()), + lcd_line_length*panel_info.vl_row); +#endif + + lcd_enable (); + + /* Paint the logo and retrieve LCD base address */ + debug ("[LCD] Drawing the logo...\n"); + lcd_console_address = lcd_logo (); + + /* Initialize the console */ + console_col = 0; +#ifdef LCD_INFO_BELOW_LOGO + console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; +#else + console_row = 1; /* leave 1 blank line below logo */ +#endif + 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; + + debug ("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; + + debug ("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) * (1 << LCD_BPP)) / 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 |= LCD_DF; /* was 8 */ + +#ifndef CONFIG_EDT32F10 + /* 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; +#else + /* Enable LCD on port D. + */ + immr->im_ioport.iop_pdpar |= 0x1DFF; + immr->im_ioport.iop_pdpar &= ~0x0200; + immr->im_ioport.iop_pddir |= 0x1FFF; + immr->im_ioport.iop_pddat |= 0x0200; +#endif + + /* 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. + */ +#ifndef CONFIG_EDT32F10 + lcdp->lcd_lchcr = LCHCR_BO | + LCDBIT (LCHCR_AT_BIT, 4) | + LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col) | + panel_info.vl_wbl; +#else + lcdp->lcd_lchcr = LCHCR_BO | + LCDBIT (LCHCR_AT_BIT, 4) | + LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col/4) | + panel_info.vl_wbl; +#endif + + 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); + unsigned short colreg, *cmap_ptr; + + cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2]; + + colreg = *cmap_ptr; +#ifdef CFG_INVERT_COLORS + colreg ^= 0x0FFF; +#endif + + *red = (colreg >> 8) & 0x0F; + *green = (colreg >> 4) & 0x0F; + *blue = colreg & 0x0F; +} +#endif /* NOT_USED_SO_FAR */ + +/*----------------------------------------------------------------------*/ + +#if LCD_BPP == LCD_COLOR8 +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); + unsigned short colreg, *cmap_ptr; + + cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2]; + + colreg = ((red & 0x0F) << 8) | + ((green & 0x0F) << 4) | + (blue & 0x0F) ; +#ifdef CFG_INVERT_COLORS + colreg ^= 0x0FFF; +#endif + *cmap_ptr = colreg; + + debug ("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]); +} +#endif /* LCD_COLOR8 */ + +/*----------------------------------------------------------------------*/ + +#if LCD_BPP == LCD_MONOCHROME +static +void lcd_initcolregs (void) +{ + volatile immap_t *immr = (immap_t *) CFG_IMMR; + volatile cpm8xx_t *cp = &(immr->im_cpm); + ushort regno; + + for (regno = 0; regno < 16; regno++) { + cp->lcd_cmap[regno * 2] = 0; + cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f; + } +} +#endif + +/*----------------------------------------------------------------------*/ + +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; +#if defined(CONFIG_LWMON) + { uchar c = pic_read (0x60); + c |= 0x07; /* Power on CCFL, Enable CCFL, Chip Enable LCD */ + pic_write (0x60, c); + } +#elif defined(CONFIG_R360MPI) + { + extern void r360_pwm_write (uchar reg, uchar val); + + r360_pwm_write(8, 1); + r360_pwm_write(0, 4); + r360_pwm_write(1, 6); + } +#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; + +#if defined(CONFIG_LWMON) + { uchar c = pic_read (0x60); + c &= ~0x07; /* Power off CCFL, Disable CCFL, Chip Disable LCD */ + pic_write (0x60, c); + } +#elif defined(CONFIG_R360MPI) + { + extern void r360_pwm_write (uchar reg, uchar val); + + r360_pwm_write(0, 0); + r360_pwm_write(1, 0); + } +#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; + + debug ("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) { + ushort colreg = bmp_logo_palette[i]; +#ifdef CFG_INVERT_COLORS + colreg ^= 0xFFF; +#endif + *cmap++ = colreg; + } + + bmap = &bmp_logo_bitmap[0]; + fb = (char *)(lcd_base + y * lcd_line_length + x); + + for (i=0; i<BMP_LOGO_HEIGHT; ++i) { + memcpy (fb, bmap, BMP_LOGO_WIDTH); + bmap += BMP_LOGO_WIDTH; + fb += panel_info.vl_col; + } +} +#endif /* CONFIG_LCD_LOGO */ + +/*----------------------------------------------------------------------*/ + +static void *lcd_logo (void) +{ +#ifdef LCD_INFO + DECLARE_GLOBAL_DATA_PTR; + + char info[80]; + char temp[32]; +#endif /* LCD_INFO */ + +#ifdef CONFIG_LCD_LOGO + bitmap_plot (0, 0); +#endif /* CONFIG_LCD_LOGO */ + + +#ifdef LCD_INFO + sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, info, strlen(info)); + + sprintf (info, "(C) 2002 DENX Software Engineering"); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT, + info, strlen(info)); + + sprintf (info, " Wolfgang DENK, wd@denx.de"); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2, + info, strlen(info)); +#ifdef LCD_INFO_BELOW_LOGO + sprintf (info, "MPC823 CPU at %s MHz", + strmhz(temp, gd->cpu_clk)); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3, + info, strlen(info)); + sprintf (info, " %ld MB RAM, %ld MB Flash", + gd->ram_size >> 20, + gd->bd->bi_flashsize >> 20 ); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, + info, strlen(info)); +#else + /* leave one blank line */ + + sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash", + strmhz(temp, gd->cpu_clk), + gd->ram_size >> 20, + gd->bd->bi_flashsize >> 20 ); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, + info, strlen(info)); +#endif /* LCD_INFO_BELOW_LOGO */ +#endif /* LCD_INFO */ + +#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO) + return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); +#else + return ((void *)lcd_base); +#endif /* CONFIG_LCD_LOGO */ +} + +/************************************************************************/ +/************************************************************************/ + +#endif /* CONFIG_LCD */ |