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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/common/lcd.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/common/lcd.c')
-rw-r--r--roms/u-boot/common/lcd.c772
1 files changed, 772 insertions, 0 deletions
diff --git a/roms/u-boot/common/lcd.c b/roms/u-boot/common/lcd.c
new file mode 100644
index 000000000..ab5614ad0
--- /dev/null
+++ b/roms/u-boot/common/lcd.c
@@ -0,0 +1,772 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Common LCD routines
+ *
+ * (C) Copyright 2001-2002
+ * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
+ */
+
+/* #define DEBUG */
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <cpu_func.h>
+#include <env_callback.h>
+#include <log.h>
+#include <asm/cache.h>
+#include <init.h>
+#include <asm/global_data.h>
+#include <linux/types.h>
+#include <stdio_dev.h>
+#include <lcd.h>
+#include <mapmem.h>
+#include <watchdog.h>
+#include <asm/unaligned.h>
+#include <splash.h>
+#include <asm/io.h>
+#include <asm/unaligned.h>
+#include <video_font.h>
+
+#ifdef CONFIG_LCD_LOGO
+#include <bmp_logo.h>
+#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
+
+#if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
+ (LCD_BPP != LCD_COLOR32)
+#error Unsupported LCD BPP.
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int lcd_init(void *lcdbase);
+static void lcd_logo(void);
+static void lcd_setfgcolor(int color);
+static void lcd_setbgcolor(int color);
+
+static int lcd_color_fg;
+static int lcd_color_bg;
+int lcd_line_length;
+char lcd_is_enabled = 0;
+static void *lcd_base; /* Start of framebuffer memory */
+static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
+
+/* 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) && !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
+ int line_length;
+
+ if (lcd_flush_dcache)
+ flush_dcache_range((ulong)lcd_base,
+ (ulong)(lcd_base + lcd_get_size(&line_length)));
+#endif
+}
+
+void lcd_set_flush_dcache(int flush)
+{
+ lcd_flush_dcache = (flush != 0);
+}
+
+static void lcd_stub_putc(struct stdio_dev *dev, const char c)
+{
+ lcd_putc(c);
+}
+
+static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
+{
+ lcd_puts(s);
+}
+
+/* Small utility to check that you got the colours right */
+#ifdef LCD_TEST_PATTERN
+
+#if LCD_BPP == LCD_COLOR8
+#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,
+}; /*LCD_BPP == LCD_COLOR8 */
+
+#elif LCD_BPP == LCD_COLOR16
+#define N_BLK_VERT 2
+#define N_BLK_HOR 4
+
+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, CONSOLE_COLOR_GREY, CONSOLE_COLOR_WHITE,
+};
+#endif /*LCD_BPP == LCD_COLOR16 */
+
+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;
+#if LCD_BPP == LCD_COLOR8
+ uchar *pix = (uchar *)lcd_base;
+#elif LCD_BPP == LCD_COLOR16
+ ushort *pix = (ushort *)lcd_base;
+#endif
+
+ printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
+ h_max, v_max, h_step, v_step);
+
+ 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 */
+
+/*
+ * With most lcd drivers the line length is set up
+ * by calculating it from panel_info parameters. Some
+ * drivers need to calculate the line length differently,
+ * so make the function weak to allow overriding it.
+ */
+__weak 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 = map_sysmem(gd->fb_base, 0);
+
+ lcd_init(lcd_base);
+
+ /* 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_stub_putc; /* 'putc' function */
+ lcddev.puts = lcd_stub_puts; /* 'puts' function */
+
+ rc = stdio_register(&lcddev);
+
+ return (rc == 0) ? 1 : rc;
+}
+
+void lcd_clear(void)
+{
+ int bg_color;
+ __maybe_unused ulong addr;
+ static int do_splash = 1;
+#if 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);
+ bg_color = CONSOLE_COLOR_WHITE;
+#else
+ lcd_setfgcolor(CONSOLE_COLOR_WHITE);
+ lcd_setbgcolor(CONSOLE_COLOR_BLACK);
+ bg_color = CONSOLE_COLOR_BLACK;
+#endif /* CONFIG_SYS_WHITE_ON_BLACK */
+
+#ifdef LCD_TEST_PATTERN
+ test_pattern();
+#else
+ /* set framebuffer to background color */
+#if (LCD_BPP != LCD_COLOR32)
+ memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row);
+#else
+ u32 *ppix = lcd_base;
+ u32 i;
+ for (i = 0;
+ i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix);
+ i++) {
+ *ppix++ = bg_color;
+ }
+#endif
+#endif
+ /* setup text-console */
+ debug("[LCD] setting up console...\n");
+ lcd_init_console(lcd_base,
+ panel_info.vl_col,
+ panel_info.vl_row,
+ panel_info.vl_rot);
+ /* Paint the logo and retrieve LCD base address */
+ debug("[LCD] Drawing the logo...\n");
+ if (do_splash) {
+ if (splash_display() == 0) {
+ do_splash = 0;
+ lcd_sync();
+ return;
+ }
+ }
+
+ lcd_logo();
+#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
+ addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length;
+ lcd_init_console((void *)addr, panel_info.vl_col,
+ panel_info.vl_row, panel_info.vl_rot);
+#endif
+ lcd_sync();
+}
+
+static int lcd_init(void *lcdbase)
+{
+ debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
+ lcd_ctrl_init(lcdbase);
+
+ /*
+ * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores
+ * the 'lcdbase' argument and uses custom lcd base address
+ * by setting up gd->fb_base. Check for this condition and fixup
+ * 'lcd_base' address.
+ */
+ if (map_to_sysmem(lcdbase) != gd->fb_base)
+ lcd_base = map_sysmem(gd->fb_base, 0);
+
+ debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
+
+ lcd_get_size(&lcd_line_length);
+ lcd_is_enabled = 1;
+ lcd_clear();
+ lcd_enable();
+
+ /* Initialize the console */
+ lcd_set_col(0);
+#ifdef CONFIG_LCD_INFO_BELOW_LOGO
+ lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT);
+#else
+ lcd_set_row(1); /* leave 1 blank line below logo */
+#endif
+
+ return 0;
+}
+
+/*
+ * 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;
+}
+
+int lcd_getfgcolor(void)
+{
+ return lcd_color_fg;
+}
+
+static void lcd_setbgcolor(int color)
+{
+ lcd_color_bg = color;
+}
+
+int lcd_getbgcolor(void)
+{
+ return lcd_color_bg;
+}
+
+#ifdef CONFIG_LCD_LOGO
+__weak void lcd_logo_set_cmap(void)
+{
+ int i;
+ ushort *cmap = configuration_get_cmap();
+
+ for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i)
+ *cmap++ = bmp_logo_palette[i];
+}
+
+void lcd_logo_plot(int x, int y)
+{
+ ushort i, j;
+ uchar *bmap = &bmp_logo_bitmap[0];
+ unsigned bpix = NBITS(panel_info.vl_bpix);
+ uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
+ ushort *fb16;
+
+ debug("Logo: width %d height %d colors %d\n",
+ BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS);
+
+ if (bpix < 12) {
+ WATCHDOG_RESET();
+ lcd_logo_set_cmap();
+ 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 *)fb;
+ 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 lcd_logo_plot(int x, int y) {}
+#endif /* CONFIG_LCD_LOGO */
+
+#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+
+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, (int)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(struct bmp_image *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 = get_unaligned_le32(&bmp->header.width);
+ height = get_unaligned_le32(&bmp->header.height);
+ bmap = (uchar *)bmp + get_unaligned_le32(&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
+
+__weak void fb_put_byte(uchar **fb, uchar **from)
+{
+ *(*fb)++ = *(*from)++;
+}
+
+#if defined(CONFIG_BMP_16BPP)
+__weak void fb_put_word(uchar **fb, uchar **from)
+{
+ *(*fb)++ = *(*from)++;
+ *(*fb)++ = *(*from)++;
+}
+#endif /* CONFIG_BMP_16BPP */
+
+__weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors)
+{
+ int i;
+ struct bmp_color_table_entry cte;
+ ushort *cmap = configuration_get_cmap();
+
+ for (i = 0; i < colors; ++i) {
+ cte = bmp->color_table[i];
+ *cmap = (((cte.red) << 8) & 0xf800) |
+ (((cte.green) << 3) & 0x07e0) |
+ (((cte.blue) >> 3) & 0x001f);
+ cmap++;
+ }
+}
+
+int lcd_display_bitmap(ulong bmp_image, int x, int y)
+{
+ ushort *cmap_base = NULL;
+ ushort i, j;
+ uchar *fb;
+ struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0);
+ uchar *bmap;
+ ushort padded_width;
+ unsigned long width, height, byte_width;
+ unsigned long pwidth = panel_info.vl_col;
+ unsigned colors, bpix, bmp_bpix;
+ int hdr_size;
+ struct bmp_color_table_entry *palette;
+
+ 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;
+ }
+
+ palette = bmp->color_table;
+ width = get_unaligned_le32(&bmp->header.width);
+ height = get_unaligned_le32(&bmp->header.height);
+ bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
+ hdr_size = get_unaligned_le16(&bmp->header.size);
+ debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix);
+
+ 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
+ * and displaying 24bpp BMPs on 32bpp LCDs
+ * */
+ if (bpix != bmp_bpix &&
+ !(bmp_bpix == 8 && bpix == 16) &&
+ !(bmp_bpix == 24 && bpix == 32)) {
+ printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
+ bpix, get_unaligned_le16(&bmp->header.bit_count));
+ return 1;
+ }
+
+ debug("Display-bmp: %d x %d with %d colors, display %d\n",
+ (int)width, (int)height, (int)colors, 1 << bpix);
+
+ if (bmp_bpix == 8)
+ lcd_set_cmap(bmp, colors);
+
+ 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 + get_unaligned_le32(&bmp->header.data_offset);
+ fb = (uchar *)(lcd_base +
+ (y + height - 1) * lcd_line_length + x * bpix / 8);
+
+ switch (bmp_bpix) {
+ case 1:
+ case 8: {
+ cmap_base = configuration_get_cmap();
+#ifdef CONFIG_LCD_BMP_RLE8
+ u32 compression = get_unaligned_le32(&bmp->header.compression);
+ debug("compressed %d %d\n", compression, BMP_BI_RLE8);
+ if (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 {
+ struct bmp_color_table_entry *entry;
+ uint val;
+
+ if (cmap_base) {
+ val = cmap_base[*bmap];
+ } else {
+ entry = &palette[*bmap];
+ val = entry->blue >> 3 |
+ entry->green >> 2 << 5 |
+ entry->red >> 3 << 11;
+ }
+ *(uint16_t *)fb = val;
+ 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_24BPP)
+ case 24:
+ for (i = 0; i < height; ++i) {
+ for (j = 0; j < width; j++) {
+ *(fb++) = *(bmap++);
+ *(fb++) = *(bmap++);
+ *(fb++) = *(bmap++);
+ *(fb++) = 0;
+ }
+ fb -= lcd_line_length + width * (bpix / 8);
+ }
+ break;
+#endif /* CONFIG_BMP_24BPP */
+#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
+
+static void lcd_logo(void)
+{
+ lcd_logo_plot(0, 0);
+
+#ifdef CONFIG_LCD_INFO
+ lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH);
+ lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT);
+ lcd_show_board_info();
+#endif /* CONFIG_LCD_INFO */
+}
+
+#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
+
+int lcd_get_pixel_width(void)
+{
+ return panel_info.vl_col;
+}
+
+int lcd_get_pixel_height(void)
+{
+ return panel_info.vl_row;
+}