diff options
Diffstat (limited to 'cpu/mpc8xx/lcd.c')
| -rw-r--r-- | cpu/mpc8xx/lcd.c | 846 |
1 files changed, 35 insertions, 811 deletions
diff --git a/cpu/mpc8xx/lcd.c b/cpu/mpc8xx/lcd.c index cce0cc2..cc58676 100644 --- a/cpu/mpc8xx/lcd.c +++ b/cpu/mpc8xx/lcd.c @@ -54,74 +54,6 @@ #undef LCD_INFO #endif -/* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */ -/* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */ -/************************************************************************/ - -/************************************************************************/ -/* ** BITMAP DISPLAY SUPPORT -- should probably be moved elsewhere */ -/************************************************************************/ - -#if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) -#include <bmp_layout.h> -#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */ - -/************************************************************************/ -/* ** 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 /* @@ -129,7 +61,7 @@ typedef struct vidinfo { */ #define LCD_BPP LCD_COLOR4 -static vidinfo_t panel_info = { +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 */ @@ -142,7 +74,7 @@ static vidinfo_t panel_info = { /* * Hitachi SP19X001-. Active, color, single scan. */ -static vidinfo_t panel_info = { +vidinfo_t panel_info = { 640, 480, 154, 116, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, LCD_COLOR8, 1, 0, 1, 0, 0, 0, 0, 0 /* wbl, vpw, lcdac, wbf */ @@ -155,7 +87,7 @@ static vidinfo_t panel_info = { /* * NEC NL6448AC33-18. Active, color, single scan. */ -static vidinfo_t panel_info = { +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 */ @@ -167,7 +99,7 @@ static vidinfo_t panel_info = { /* * NEC NL6448BC20-08. 6.5", 640x480. Active, color, single scan. */ -static vidinfo_t panel_info = { +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 */ @@ -179,7 +111,7 @@ static vidinfo_t panel_info = { /* * NEC NL6448BC33-54. 10.4", 640x480. Active, color, single scan. */ -static vidinfo_t panel_info = { +vidinfo_t panel_info = { 640, 480, 212, 158, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH, 3, 0, 0, 1, 1, 144, 2, 0, 33 /* wbl, vpw, lcdac, wbf */ @@ -191,7 +123,7 @@ static vidinfo_t panel_info = { /* * SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan. */ -static vidinfo_t panel_info = { +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 */ @@ -204,7 +136,7 @@ static vidinfo_t panel_info = { * Sharp 320x240. Active, color, single scan. It isn't 16x9, and I am * not sure what it is....... */ -static vidinfo_t panel_info = { +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 }; @@ -215,9 +147,10 @@ static vidinfo_t panel_info = { /* * Sharp LQ057Q3DC02 display. Active, color, single scan. */ +#undef LCD_DF #define LCD_DF 12 -static vidinfo_t panel_info = { +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 */ @@ -230,7 +163,7 @@ static vidinfo_t panel_info = { /* * Sharp LQ64D341 display, 640x480. Active, color, single scan. */ -static vidinfo_t panel_info = { +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 */ @@ -241,7 +174,7 @@ static vidinfo_t panel_info = { /* * Sharp LQ065T9DR51U display, 400x240. Active, color, single scan. */ -static vidinfo_t panel_info = { +vidinfo_t panel_info = { 400, 240, 143, 79, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, 3, 0, 0, 1, 1, 248, 4, 0, 35 /* wbl, vpw, lcdac, wbf */ @@ -253,7 +186,7 @@ static vidinfo_t panel_info = { /* * Sharp LQ084V1DG21 display, 640x480. Active, color, single scan. */ -static vidinfo_t panel_info = { +vidinfo_t panel_info = { 640, 480, 171, 129, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW, 3, 0, 0, 1, 1, 160, 3, 0, 48 /* wbl, vpw, lcdac, wbf */ @@ -266,7 +199,7 @@ static vidinfo_t panel_info = { /* * HLD1045 display, 640x480. Active, color, single scan. */ -static vidinfo_t panel_info = { +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 */ @@ -278,7 +211,7 @@ static vidinfo_t panel_info = { /* * Prime View V16C6448AC */ -static vidinfo_t panel_info = { +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 */ @@ -300,7 +233,7 @@ static vidinfo_t panel_info = { #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 = { +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 }; @@ -314,525 +247,64 @@ static vidinfo_t panel_info = { #define LCD_BPP LCD_MONOCHROME #define LCD_DF 10 -static vidinfo_t panel_info = { +vidinfo_t panel_info = { 320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW, LCD_BPP, 0, 0, 0, 0, 33, 0, 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)) +int lcd_line_length; -static int lcd_line_length; - -static int lcd_color_fg; -static int lcd_color_bg; - -char lcd_is_enabled = 0; /* Indicate that LCD is enabled */ +int lcd_color_fg; +int lcd_color_bg; /* * 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 +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ -static short console_col; -static short console_row; +short console_col; +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 int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]); -static void lcd_ctrl_init (void *lcdbase); -static void lcd_enable (void); -static void *lcd_logo (void); +void lcd_ctrl_init (void *lcdbase); +void lcd_enable (void); #if LCD_BPP == LCD_COLOR8 -static void lcd_setcolreg (ushort regno, +void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue); #endif #if LCD_BPP == LCD_MONOCHROME -static void lcd_initcolregs (void); +void lcd_initcolregs (void); #endif -static int lcd_getbgcolor (void); -static void lcd_setfgcolor (int color); -static void lcd_setbgcolor (int color); #if defined(CONFIG_RBC823) -void lcd_disable (void); +void lcd_disable (void); #endif -#ifdef NOT_USED_SO_FAR -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_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ -#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 - /* Paint the logo and retrieve LCD base address */ - debug ("[LCD] Drawing the logo...\n"); - lcd_console_address = lcd_logo (); - - console_col = 0; - console_row = 0; - - return (0); -} - -U_BOOT_CMD( - cls, 1, 1, lcd_clear, - "cls - clear screen\n", - NULL -); - -/*----------------------------------------------------------------------*/ - -static int lcd_init (void *lcdbase) -{ - /* Initialize the lcd controller */ - debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); - - lcd_ctrl_init (lcdbase); - lcd_clear (NULL, 1, 1, NULL); /* dummy args */ - lcd_enable (); - - /* 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 */ +/* ----------------- chipset specific functions ----------------------- */ /************************************************************************/ /* - * 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. + * Calculate fb size for VIDEOLFB_ATAG. */ -ulong lcd_setmem (ulong addr) +ulong calc_fbsize (void) { 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); + return size; } - -/************************************************************************/ -/* ----------------- chipset specific functions ----------------------- */ -/************************************************************************/ - -static void lcd_ctrl_init (void *lcdbase) +void lcd_ctrl_init (void *lcdbase) { volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile lcd823_t *lcdp = &immr->im_lcd; @@ -983,7 +455,7 @@ lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue) /*----------------------------------------------------------------------*/ #if LCD_BPP == LCD_COLOR8 -static void +void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) { volatile immap_t *immr = (immap_t *) CFG_IMMR; @@ -1026,37 +498,7 @@ void lcd_initcolregs (void) /*----------------------------------------------------------------------*/ -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) +void lcd_enable (void) { volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile lcd823_t *lcdp = &immr->im_lcd; @@ -1174,223 +616,5 @@ void lcd_disable (void) /************************************************************************/ -/* ** 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)]); - - WATCHDOG_RESET(); - - /* 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); - - WATCHDOG_RESET(); - - for (i=0; i<BMP_LOGO_HEIGHT; ++i) { - memcpy (fb, bmap, BMP_LOGO_WIDTH); - bmap += BMP_LOGO_WIDTH; - fb += panel_info.vl_col; - } - - WATCHDOG_RESET(); -} -#endif /* CONFIG_LCD_LOGO */ - -#if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) -/* - * Display the BMP file located at address bmp_image. - * Only uncompressed - */ -int lcd_display_bitmap(ulong bmp_image, int x, int y) -{ - volatile immap_t *immr = (immap_t *) CFG_IMMR; - volatile cpm8xx_t *cp = &(immr->im_cpm); - ushort *cmap; - ushort i, j; - uchar *fb; - bmp_image_t *bmp=(bmp_image_t *)bmp_image; - uchar *bmap; - ushort padded_line; - unsigned long width, height; - unsigned colors,bpix; - unsigned long compression; - - WATCHDOG_RESET(); - - if (!((bmp->header.signature[0]=='B') && - (bmp->header.signature[1]=='M'))) { - printf ("Error: no valid bmp image at %lx\n", bmp_image); - return 1; - } - - width = le32_to_cpu (bmp->header.width); - height = le32_to_cpu (bmp->header.height); - colors = 1<<le16_to_cpu (bmp->header.bit_count); - compression = le32_to_cpu (bmp->header.compression); - - bpix = NBITS(panel_info.vl_bpix); - - if ((bpix != 1) && (bpix != 8)) { - printf ("Error: %d bit/pixel mode not supported by U-Boot\n", - bpix); - return 1; - } - - if (bpix != le16_to_cpu(bmp->header.bit_count)) { - printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", - bpix, - le16_to_cpu(bmp->header.bit_count)); - return 1; - } - - if (compression!=BMP_BI_RGB) { - printf ("Error: compression type %ld not supported\n", - compression); - return 1; - } - - debug ("Display-bmp: %d x %d with %d colors\n", - width, height, colors); - - if (bpix==8) { - /* Fill the entire color map */ - cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); - - /* Set color map */ - for (i = 0; i < colors; ++i) { - bmp_color_table_entry_t cte = bmp->color_table[i]; - ushort colreg = - ((cte.red>>4) << 8) | - ((cte.green>>4) << 4) | - (cte.blue>>4) ; -#ifdef CFG_INVERT_COLORS - colreg ^= 0xFFF; -#endif - *cmap-- = colreg; - } - - WATCHDOG_RESET(); - } - - padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); - if ((x + width)>panel_info.vl_col) - width = panel_info.vl_col - x; - if ((y + height)>panel_info.vl_row) - height = panel_info.vl_row - y; - - bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); - fb = (uchar *) (lcd_base + - (y + height - 1) * lcd_line_length + x); - for (i = 0; i < height; ++i) { - WATCHDOG_RESET(); - for (j = 0; j < width ; j++) - *(fb++)=255-*(bmap++); - bmap += (width - padded_line); - fb -= (width + lcd_line_length); - } - - return (0); -} -#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */ - -/*----------------------------------------------------------------------*/ - -static void *lcd_logo (void) -{ -#ifdef LCD_INFO - DECLARE_GLOBAL_DATA_PTR; - - char info[80]; - char temp[32]; -#endif /* LCD_INFO */ - -#ifdef CONFIG_SPLASH_SCREEN - char *s; - ulong addr; - static int do_splash = 1; - - if (do_splash && (s = getenv("splashimage")) != NULL) { - addr = simple_strtoul(s, NULL, 16); - do_splash = 0; - - if (lcd_display_bitmap (addr, 0, 0) == 0) { - return ((void *)lcd_base); - } - } -#endif /* CONFIG_SPLASH_SCREEN */ - -#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) 2004 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 */ |