| /* |
| * Common LCD routines for supported CPUs |
| * |
| * (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 */ |
| /************************************************************************/ |
| |
| /* #define DEBUG */ |
| |
| #include <config.h> |
| #include <common.h> |
| #include <command.h> |
| #include <stdarg.h> |
| #include <search.h> |
| #include <env_callback.h> |
| #include <linux/types.h> |
| #include <stdio_dev.h> |
| #if defined(CONFIG_POST) |
| #include <post.h> |
| #endif |
| #include <lcd.h> |
| #include <watchdog.h> |
| |
| #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \ |
| defined(CONFIG_CPU_MONAHANS) |
| #define CONFIG_CPU_PXA |
| #include <asm/byteorder.h> |
| #endif |
| |
| #if defined(CONFIG_MPC823) |
| #include <lcdvideo.h> |
| #endif |
| |
| #if defined(CONFIG_ATMEL_LCD) |
| #include <atmel_lcdc.h> |
| #endif |
| |
| /************************************************************************/ |
| /* ** FONT DATA */ |
| /************************************************************************/ |
| #include <video_font.h> /* Get font data, width and height */ |
| #include <video_font_data.h> |
| |
| /************************************************************************/ |
| /* ** LOGO DATA */ |
| /************************************************************************/ |
| #ifdef CONFIG_LCD_LOGO |
| # include <bmp_logo.h> /* Get logo data, width and height */ |
| # include <bmp_logo_data.h> |
| # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) |
| # error Default Color Map overlaps with Logo Color Map |
| # endif |
| #endif |
| |
| #ifndef CONFIG_LCD_ALIGNMENT |
| #define CONFIG_LCD_ALIGNMENT PAGE_SIZE |
| #endif |
| |
| /* By default we scroll by a single line */ |
| #ifndef CONFIG_CONSOLE_SCROLL_LINES |
| #define CONFIG_CONSOLE_SCROLL_LINES 1 |
| #endif |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| 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_logo (void); |
| |
| static int lcd_getbgcolor(void); |
| static void lcd_setfgcolor(int color); |
| static void lcd_setbgcolor(int color); |
| |
| static int lcd_color_fg; |
| static int lcd_color_bg; |
| |
| char lcd_is_enabled = 0; |
| |
| static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ |
| |
| |
| #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 */ |
| |
| /************************************************************************/ |
| |
| /* Flush LCD activity to the caches */ |
| void lcd_sync(void) |
| { |
| /* |
| * flush_dcache_range() is declared in common.h but it seems that some |
| * architectures do not actually implement it. Is there a way to find |
| * out whether it exists? For now, ARM is safe. |
| */ |
| #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) |
| int line_length; |
| |
| if (lcd_flush_dcache) |
| flush_dcache_range((u32)lcd_base, |
| (u32)(lcd_base + lcd_get_size(&line_length))); |
| #endif |
| } |
| |
| void lcd_set_flush_dcache(int flush) |
| { |
| lcd_flush_dcache = (flush != 0); |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static void console_scrollup(void) |
| { |
| const int rows = CONFIG_CONSOLE_SCROLL_LINES; |
| |
| /* Copy up rows ignoring those that will be overwritten */ |
| memcpy(CONSOLE_ROW_FIRST, |
| lcd_console_address + CONSOLE_ROW_SIZE * rows, |
| CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows); |
| |
| /* Clear the last rows */ |
| memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows, |
| COLOR_MASK(lcd_color_bg), |
| CONSOLE_ROW_SIZE * rows); |
| |
| lcd_sync(); |
| console_row -= rows; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| 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(); |
| } else { |
| lcd_sync(); |
| } |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| 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(); |
| } |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| void lcd_puts(const char *s) |
| { |
| if (!lcd_is_enabled) { |
| serial_puts(s); |
| |
| return; |
| } |
| |
| while (*s) { |
| lcd_putc(*s++); |
| } |
| lcd_sync(); |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| void lcd_printf(const char *fmt, ...) |
| { |
| va_list args; |
| char buf[CONFIG_SYS_PBSIZE]; |
| |
| va_start(args, fmt); |
| vsprintf(buf, fmt, args); |
| va_end(args); |
| |
| lcd_puts(buf); |
| } |
| |
| /************************************************************************/ |
| /* ** Low-Level Graphics Routines */ |
| /************************************************************************/ |
| |
| static void lcd_drawchars(ushort x, ushort y, uchar *str, int count) |
| { |
| uchar *dest; |
| ushort row; |
| |
| #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
| y += BMP_LOGO_HEIGHT; |
| #endif |
| |
| #if LCD_BPP == LCD_MONOCHROME |
| ushort off = x * (1 << LCD_BPP) % 8; |
| #endif |
| |
| dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); |
| |
| for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { |
| uchar *s = str; |
| int i; |
| #if LCD_BPP == LCD_COLOR16 |
| ushort *d = (ushort *)dest; |
| #else |
| uchar *d = dest; |
| #endif |
| |
| #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; |
| } |
| #elif LCD_BPP == LCD_COLOR16 |
| 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) |
| { |
| lcd_drawchars(x, y, s, strlen((char *)s)); |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static inline void lcd_putc_xy(ushort x, ushort y, uchar c) |
| { |
| lcd_drawchars(x, y, &c, 1); |
| } |
| |
| /************************************************************************/ |
| /** 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 lcd_get_size(int *line_length) |
| { |
| *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; |
| return *line_length * panel_info.vl_row; |
| } |
| |
| int drv_lcd_init (void) |
| { |
| struct stdio_dev lcddev; |
| int rc; |
| |
| lcd_base = (void *)(gd->fb_base); |
| |
| lcd_get_size(&lcd_line_length); |
| |
| 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 = stdio_register (&lcddev); |
| |
| return (rc == 0) ? 1 : rc; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| void lcd_clear(void) |
| { |
| #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 CONFIG_SYS_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 /* CONFIG_SYS_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; |
| lcd_sync(); |
| } |
| |
| static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, |
| char *const argv[]) |
| { |
| lcd_clear(); |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| cls, 1, 1, do_lcd_clear, |
| "clear screen", |
| "" |
| ); |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static int lcd_init(void *lcdbase) |
| { |
| /* Initialize the lcd controller */ |
| debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
| |
| lcd_ctrl_init(lcdbase); |
| lcd_is_enabled = 1; |
| lcd_clear(); |
| lcd_enable (); |
| |
| /* Initialize the console */ |
| console_col = 0; |
| #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
| console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; |
| #else |
| console_row = 1; /* leave 1 blank line below logo */ |
| #endif |
| |
| 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; |
| |
| 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 = lcd_get_size(&line_length); |
| |
| /* Round up to nearest full page, or MMU section if defined */ |
| size = ALIGN(size, CONFIG_LCD_ALIGNMENT); |
| addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); |
| |
| /* Allocate pages for the frame buffer. */ |
| addr -= size; |
| |
| debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); |
| |
| return addr; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static void lcd_setfgcolor(int color) |
| { |
| lcd_color_fg = color; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static void lcd_setbgcolor(int color) |
| { |
| lcd_color_bg = color; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| int lcd_getfgcolor(void) |
| { |
| return lcd_color_fg; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static int lcd_getbgcolor(void) |
| { |
| return lcd_color_bg; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| /************************************************************************/ |
| /* ** Chipset depending Bitmap / Logo stuff... */ |
| /************************************************************************/ |
| static inline ushort *configuration_get_cmap(void) |
| { |
| #if defined CONFIG_CPU_PXA |
| struct pxafb_info *fbi = &panel_info.pxa; |
| return (ushort *)fbi->palette; |
| #elif defined(CONFIG_MPC823) |
| immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
| cpm8xx_t *cp = &(immr->im_cpm); |
| return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]); |
| #elif defined(CONFIG_ATMEL_LCD) |
| return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0)); |
| #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB) |
| return panel_info.cmap; |
| #else |
| #if defined(CONFIG_LCD_LOGO) |
| return bmp_logo_palette; |
| #else |
| return NULL; |
| #endif |
| #endif |
| } |
| |
| #ifdef CONFIG_LCD_LOGO |
| void bitmap_plot(int x, int y) |
| { |
| #ifdef CONFIG_ATMEL_LCD |
| uint *cmap = (uint *)bmp_logo_palette; |
| #else |
| ushort *cmap = (ushort *)bmp_logo_palette; |
| #endif |
| ushort i, j; |
| uchar *bmap; |
| uchar *fb; |
| ushort *fb16; |
| #if defined(CONFIG_MPC823) |
| immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
| cpm8xx_t *cp = &(immr->im_cpm); |
| #endif |
| |
| debug("Logo: width %d height %d colors %d cmap %d\n", |
| BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, |
| ARRAY_SIZE(bmp_logo_palette)); |
| |
| bmap = &bmp_logo_bitmap[0]; |
| fb = (uchar *)(lcd_base + y * lcd_line_length + x); |
| |
| if (NBITS(panel_info.vl_bpix) < 12) { |
| /* Leave room for default color map |
| * default case: generic system with no cmap (most likely 16bpp) |
| * cmap was set to the source palette, so no change is done. |
| * This avoids even more ifdefs in the next stanza |
| */ |
| #if defined(CONFIG_MPC823) |
| cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); |
| #elif defined(CONFIG_ATMEL_LCD) |
| cmap = (uint *)configuration_get_cmap(); |
| #else |
| cmap = configuration_get_cmap(); |
| #endif |
| |
| WATCHDOG_RESET(); |
| |
| /* Set color map */ |
| for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { |
| ushort colreg = bmp_logo_palette[i]; |
| #ifdef CONFIG_ATMEL_LCD |
| uint lut_entry; |
| #ifdef CONFIG_ATMEL_LCD_BGR555 |
| lut_entry = ((colreg & 0x000F) << 11) | |
| ((colreg & 0x00F0) << 2) | |
| ((colreg & 0x0F00) >> 7); |
| #else /* CONFIG_ATMEL_LCD_RGB565 */ |
| lut_entry = ((colreg & 0x000F) << 1) | |
| ((colreg & 0x00F0) << 3) | |
| ((colreg & 0x0F00) << 4); |
| #endif |
| *(cmap + BMP_LOGO_OFFSET) = lut_entry; |
| cmap++; |
| #else /* !CONFIG_ATMEL_LCD */ |
| #ifdef CONFIG_SYS_INVERT_COLORS |
| *cmap++ = 0xffff - colreg; |
| #else |
| *cmap++ = colreg; |
| #endif |
| #endif /* CONFIG_ATMEL_LCD */ |
| } |
| |
| 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; |
| } |
| } |
| else { /* true color mode */ |
| u16 col16; |
| fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); |
| for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
| for (j = 0; j < BMP_LOGO_WIDTH; j++) { |
| col16 = bmp_logo_palette[(bmap[j]-16)]; |
| fb16[j] = |
| ((col16 & 0x000F) << 1) | |
| ((col16 & 0x00F0) << 3) | |
| ((col16 & 0x0F00) << 4); |
| } |
| bmap += BMP_LOGO_WIDTH; |
| fb16 += panel_info.vl_col; |
| } |
| } |
| |
| WATCHDOG_RESET(); |
| lcd_sync(); |
| } |
| #else |
| static inline void bitmap_plot(int x, int y) {} |
| #endif /* CONFIG_LCD_LOGO */ |
| |
| /*----------------------------------------------------------------------*/ |
| #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
| /* |
| * Display the BMP file located at address bmp_image. |
| * Only uncompressed. |
| */ |
| |
| #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
| #define BMP_ALIGN_CENTER 0x7FFF |
| |
| static void splash_align_axis(int *axis, unsigned long panel_size, |
| unsigned long picture_size) |
| { |
| unsigned long panel_picture_delta = panel_size - picture_size; |
| unsigned long axis_alignment; |
| |
| if (*axis == BMP_ALIGN_CENTER) |
| axis_alignment = panel_picture_delta / 2; |
| else if (*axis < 0) |
| axis_alignment = panel_picture_delta + *axis + 1; |
| else |
| return; |
| |
| *axis = max(0, axis_alignment); |
| } |
| #endif |
| |
| |
| #ifdef CONFIG_LCD_BMP_RLE8 |
| |
| #define BMP_RLE8_ESCAPE 0 |
| #define BMP_RLE8_EOL 0 |
| #define BMP_RLE8_EOBMP 1 |
| #define BMP_RLE8_DELTA 2 |
| |
| static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, |
| int cnt) |
| { |
| while (cnt > 0) { |
| *(*fbp)++ = cmap[*bmap++]; |
| cnt--; |
| } |
| } |
| |
| static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) |
| { |
| ushort *fb = *fbp; |
| int cnt_8copy = cnt >> 3; |
| |
| cnt -= cnt_8copy << 3; |
| while (cnt_8copy > 0) { |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| cnt_8copy--; |
| } |
| while (cnt > 0) { |
| *fb++ = c; |
| cnt--; |
| } |
| (*fbp) = fb; |
| } |
| |
| /* |
| * Do not call this function directly, must be called from |
| * lcd_display_bitmap. |
| */ |
| static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb, |
| int x_off, int y_off) |
| { |
| uchar *bmap; |
| ulong width, height; |
| ulong cnt, runlen; |
| int x, y; |
| int decode = 1; |
| |
| width = le32_to_cpu(bmp->header.width); |
| height = le32_to_cpu(bmp->header.height); |
| bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset); |
| |
| x = 0; |
| y = height - 1; |
| |
| while (decode) { |
| if (bmap[0] == BMP_RLE8_ESCAPE) { |
| switch (bmap[1]) { |
| case BMP_RLE8_EOL: |
| /* end of line */ |
| bmap += 2; |
| x = 0; |
| y--; |
| /* 16bpix, 2-byte per pixel, width should *2 */ |
| fb -= (width * 2 + lcd_line_length); |
| break; |
| case BMP_RLE8_EOBMP: |
| /* end of bitmap */ |
| decode = 0; |
| break; |
| case BMP_RLE8_DELTA: |
| /* delta run */ |
| x += bmap[2]; |
| y -= bmap[3]; |
| /* 16bpix, 2-byte per pixel, x should *2 */ |
| fb = (uchar *) (lcd_base + (y + y_off - 1) |
| * lcd_line_length + (x + x_off) * 2); |
| bmap += 4; |
| break; |
| default: |
| /* unencoded run */ |
| runlen = bmap[1]; |
| bmap += 2; |
| if (y < height) { |
| if (x < width) { |
| if (x + runlen > width) |
| cnt = width - x; |
| else |
| cnt = runlen; |
| draw_unencoded_bitmap( |
| (ushort **)&fb, |
| bmap, cmap, cnt); |
| } |
| x += runlen; |
| } |
| bmap += runlen; |
| if (runlen & 1) |
| bmap++; |
| } |
| } else { |
| /* encoded run */ |
| if (y < height) { |
| runlen = bmap[0]; |
| if (x < width) { |
| /* aggregate the same code */ |
| while (bmap[0] == 0xff && |
| bmap[2] != BMP_RLE8_ESCAPE && |
| bmap[1] == bmap[3]) { |
| runlen += bmap[2]; |
| bmap += 2; |
| } |
| if (x + runlen > width) |
| cnt = width - x; |
| else |
| cnt = runlen; |
| draw_encoded_bitmap((ushort **)&fb, |
| cmap[bmap[1]], cnt); |
| } |
| x += runlen; |
| } |
| bmap += 2; |
| } |
| } |
| } |
| #endif |
| |
| #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200) |
| #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++) |
| #else |
| #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++ |
| #endif |
| |
| #if defined(CONFIG_BMP_16BPP) |
| #if defined(CONFIG_ATMEL_LCD_BGR555) |
| static inline void fb_put_word(uchar **fb, uchar **from) |
| { |
| *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03); |
| *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2); |
| *from += 2; |
| } |
| #else |
| static inline void fb_put_word(uchar **fb, uchar **from) |
| { |
| *(*fb)++ = *(*from)++; |
| *(*fb)++ = *(*from)++; |
| } |
| #endif |
| #endif /* CONFIG_BMP_16BPP */ |
| |
| int lcd_display_bitmap(ulong bmp_image, int x, int y) |
| { |
| #if !defined(CONFIG_MCC200) |
| ushort *cmap = NULL; |
| #endif |
| ushort *cmap_base = NULL; |
| ushort i, j; |
| uchar *fb; |
| bmp_image_t *bmp=(bmp_image_t *)bmp_image; |
| uchar *bmap; |
| ushort padded_width; |
| unsigned long width, height, byte_width; |
| unsigned long pwidth = panel_info.vl_col; |
| unsigned colors, bpix, bmp_bpix; |
| |
| if (!bmp || !((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); |
| bmp_bpix = le16_to_cpu(bmp->header.bit_count); |
| colors = 1 << bmp_bpix; |
| |
| bpix = NBITS(panel_info.vl_bpix); |
| |
| if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) { |
| printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
| bpix, bmp_bpix); |
| |
| return 1; |
| } |
| |
| /* We support displaying 8bpp BMPs on 16bpp LCDs */ |
| if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) { |
| printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
| bpix, |
| le16_to_cpu(bmp->header.bit_count)); |
| |
| return 1; |
| } |
| |
| debug("Display-bmp: %d x %d with %d colors\n", |
| (int)width, (int)height, (int)colors); |
| |
| #if !defined(CONFIG_MCC200) |
| /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ |
| if (bmp_bpix == 8) { |
| cmap = configuration_get_cmap(); |
| cmap_base = cmap; |
| |
| /* Set color map */ |
| for (i = 0; i < colors; ++i) { |
| bmp_color_table_entry_t cte = bmp->color_table[i]; |
| #if !defined(CONFIG_ATMEL_LCD) |
| ushort colreg = |
| ( ((cte.red) << 8) & 0xf800) | |
| ( ((cte.green) << 3) & 0x07e0) | |
| ( ((cte.blue) >> 3) & 0x001f) ; |
| #ifdef CONFIG_SYS_INVERT_COLORS |
| *cmap = 0xffff - colreg; |
| #else |
| *cmap = colreg; |
| #endif |
| #if defined(CONFIG_MPC823) |
| cmap--; |
| #else |
| cmap++; |
| #endif |
| #else /* CONFIG_ATMEL_LCD */ |
| lcd_setcolreg(i, cte.red, cte.green, cte.blue); |
| #endif |
| } |
| } |
| #endif |
| |
| /* |
| * BMP format for Monochrome assumes that the state of a |
| * pixel is described on a per Bit basis, not per Byte. |
| * So, in case of Monochrome BMP we should align widths |
| * on a byte boundary and convert them from Bit to Byte |
| * units. |
| * Probably, PXA250 and MPC823 process 1bpp BMP images in |
| * their own ways, so make the converting to be MCC200 |
| * specific. |
| */ |
| #if defined(CONFIG_MCC200) |
| if (bpix == 1) { |
| width = ((width + 7) & ~7) >> 3; |
| x = ((x + 7) & ~7) >> 3; |
| pwidth= ((pwidth + 7) & ~7) >> 3; |
| } |
| #endif |
| |
| padded_width = (width&0x3) ? ((width&~0x3)+4) : (width); |
| |
| #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
| splash_align_axis(&x, pwidth, width); |
| splash_align_axis(&y, panel_info.vl_row, height); |
| #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
| |
| if ((x + width) > pwidth) |
| width = pwidth - 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 * bpix / 8); |
| |
| switch (bmp_bpix) { |
| case 1: /* pass through */ |
| case 8: |
| #ifdef CONFIG_LCD_BMP_RLE8 |
| if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) { |
| if (bpix != 16) { |
| /* TODO implement render code for bpix != 16 */ |
| printf("Error: only support 16 bpix"); |
| return 1; |
| } |
| lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); |
| break; |
| } |
| #endif |
| |
| if (bpix != 16) |
| byte_width = width; |
| else |
| byte_width = width * 2; |
| |
| for (i = 0; i < height; ++i) { |
| WATCHDOG_RESET(); |
| for (j = 0; j < width; j++) { |
| if (bpix != 16) { |
| FB_PUT_BYTE(fb, bmap); |
| } else { |
| *(uint16_t *)fb = cmap_base[*(bmap++)]; |
| fb += sizeof(uint16_t) / sizeof(*fb); |
| } |
| } |
| bmap += (padded_width - width); |
| fb -= (byte_width + lcd_line_length); |
| } |
| break; |
| |
| #if defined(CONFIG_BMP_16BPP) |
| case 16: |
| for (i = 0; i < height; ++i) { |
| WATCHDOG_RESET(); |
| for (j = 0; j < width; j++) |
| fb_put_word(&fb, &bmap); |
| |
| bmap += (padded_width - width) * 2; |
| fb -= (width * 2 + lcd_line_length); |
| } |
| break; |
| #endif /* CONFIG_BMP_16BPP */ |
| |
| #if defined(CONFIG_BMP_32BPP) |
| case 32: |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; j++) { |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| } |
| fb -= (lcd_line_length + width * (bpix / 8)); |
| } |
| break; |
| #endif /* CONFIG_BMP_32BPP */ |
| default: |
| break; |
| }; |
| |
| lcd_sync(); |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_SPLASH_SCREEN_PREPARE |
| static inline int splash_screen_prepare(void) |
| { |
| return board_splash_screen_prepare(); |
| } |
| #else |
| static inline int splash_screen_prepare(void) |
| { |
| return 0; |
| } |
| #endif |
| |
| static void *lcd_logo(void) |
| { |
| #ifdef CONFIG_SPLASH_SCREEN |
| char *s; |
| ulong addr; |
| static int do_splash = 1; |
| |
| if (do_splash && (s = getenv("splashimage")) != NULL) { |
| int x = 0, y = 0; |
| do_splash = 0; |
| |
| if (splash_screen_prepare()) |
| return (void *)gd->fb_base; |
| |
| addr = simple_strtoul (s, NULL, 16); |
| #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
| s = getenv("splashpos"); |
| if (s != NULL) { |
| if (s[0] == 'm') |
| x = BMP_ALIGN_CENTER; |
| else |
| x = simple_strtol(s, NULL, 0); |
| |
| s = strchr(s + 1, ','); |
| if (s != NULL) { |
| if (s[1] == 'm') |
| y = BMP_ALIGN_CENTER; |
| else |
| y = simple_strtol (s + 1, NULL, 0); |
| } |
| } |
| #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
| |
| if (bmp_display(addr, x, y) == 0) |
| return (void *)lcd_base; |
| } |
| #endif /* CONFIG_SPLASH_SCREEN */ |
| |
| bitmap_plot(0, 0); |
| |
| #ifdef CONFIG_LCD_INFO |
| console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; |
| console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; |
| lcd_show_board_info(); |
| #endif /* CONFIG_LCD_INFO */ |
| |
| #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
| return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); |
| #else |
| return (void *)lcd_base; |
| #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ |
| } |
| |
| #ifdef CONFIG_SPLASHIMAGE_GUARD |
| static int on_splashimage(const char *name, const char *value, enum env_op op, |
| int flags) |
| { |
| ulong addr; |
| int aligned; |
| |
| if (op == env_op_delete) |
| return 0; |
| |
| addr = simple_strtoul(value, NULL, 16); |
| /* See README.displaying-bmps */ |
| aligned = (addr % 4 == 2); |
| if (!aligned) { |
| printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); |
| #endif |
| |
| void lcd_position_cursor(unsigned col, unsigned row) |
| { |
| console_col = min(col, CONSOLE_COLS - 1); |
| console_row = min(row, CONSOLE_ROWS - 1); |
| } |
| |
| int lcd_get_pixel_width(void) |
| { |
| return panel_info.vl_col; |
| } |
| |
| int lcd_get_pixel_height(void) |
| { |
| return panel_info.vl_row; |
| } |
| |
| int lcd_get_screen_rows(void) |
| { |
| return CONSOLE_ROWS; |
| } |
| |
| int lcd_get_screen_columns(void) |
| { |
| return CONSOLE_COLS; |
| } |
| |
| /************************************************************************/ |
| /************************************************************************/ |