]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/lcd.c
lcd: support corner cases for splashpos
[karo-tx-uboot.git] / common / lcd.c
index 705c66d06f8745817733eb4cda15e5637a4def2f..0782d5f21c2427661efa0909ac619c58e45ee0b9 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Common LCD routines for supported CPUs
+ * Common LCD routines
  *
  * (C) Copyright 2001-2002
  * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
@@ -7,62 +7,28 @@
  * SPDX-License-Identifier:    GPL-2.0+
  */
 
-/************************************************************************/
-/* ** 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 <mapmem.h>
 #include <watchdog.h>
 #include <asm/unaligned.h>
 #include <splash.h>
 #include <asm/io.h>
 #include <asm/unaligned.h>
-#include <fdt_support.h>
-
-#if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
-       defined(CONFIG_CPU_MONAHANS)
-#include <asm/byteorder.h>
-#endif
-
-#if defined(CONFIG_MPC823)
-#include <lcdvideo.h>
-#endif
-
-#if defined(CONFIG_ATMEL_LCD)
-#include <atmel_lcdc.h>
-#endif
-
-#if defined(CONFIG_LCD_DT_SIMPLEFB)
-#include <libfdt.h>
-#endif
+#include <video_font.h>
 
-/************************************************************************/
-/* ** FONT DATA                                                                */
-/************************************************************************/
-#include <video_font.h>                /* Get font data, width and height      */
-
-/************************************************************************/
-/* ** 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
+#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
 
 #ifdef CONFIG_SANDBOX
 
 #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
        (LCD_BPP != LCD_COLOR32)
-# error Unsupported LCD BPP.
+#error Unsupported LCD BPP.
 #endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
 static int lcd_init(void *lcdbase);
-
-static void *lcd_logo(void);
-
+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)
 {
@@ -128,8 +87,6 @@ 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);
@@ -140,9 +97,7 @@ 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             */
-/************************************************************************/
+/* Small utility to check that you got the colours right */
 #ifdef LCD_TEST_PATTERN
 
 #define        N_BLK_VERT      2
@@ -175,7 +130,6 @@ static void test_pattern(void)
        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) {
@@ -186,10 +140,6 @@ static void test_pattern(void)
 }
 #endif /* LCD_TEST_PATTERN */
 
-
-/************************************************************************/
-/* ** GENERIC Initialization Routines                                  */
-/************************************************************************/
 /*
  * With most lcd drivers the line length is set up
  * by calculating it from panel_info parameters. Some
@@ -209,7 +159,7 @@ int drv_lcd_init(void)
 
        lcd_base = map_sysmem(gd->fb_base, 0);
 
-       lcd_init(lcd_base);             /* LCD initialization */
+       lcd_init(lcd_base);
 
        /* Device initialization */
        memset(&lcddev, 0, sizeof(lcddev));
@@ -225,11 +175,12 @@ int drv_lcd_init(void)
        return (rc == 0) ? 1 : rc;
 }
 
-/*----------------------------------------------------------------------*/
 void lcd_clear(void)
 {
-       short console_rows, console_cols;
        int bg_color;
+       char *s;
+       ulong addr;
+       static int do_splash = 1;
 #if LCD_BPP == LCD_COLOR8
        /* Setting the palette */
        lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
@@ -269,17 +220,32 @@ void lcd_clear(void)
        }
 #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 @ %p...\n", lcd_base);
+       if (do_splash) {
+               s = getenv("splashimage");
+               if (s) {
+                       do_splash = 0;
+                       addr = simple_strtoul(s, NULL, 16);
+                       if (lcd_splash(addr) == 0) {
+                               lcd_sync();
+                               return;
+                       }
+               }
+       }
+
+       lcd_logo();
 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
-       console_rows = (panel_info.vl_row - BMP_LOGO_HEIGHT);
-       console_rows /= VIDEO_FONT_HEIGHT;
-#else
-       console_rows = panel_info.vl_row / VIDEO_FONT_HEIGHT;
+       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
-       console_cols = panel_info.vl_col / VIDEO_FONT_WIDTH;
-       lcd_init_console(lcd_base, console_rows, console_cols);
-       lcd_init_console(lcd_logo(), console_rows, console_cols);
        lcd_sync();
 }
 
@@ -289,18 +255,10 @@ static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
        lcd_clear();
        return 0;
 }
-
-U_BOOT_CMD(
-       cls,    1,      1,      do_lcd_clear,
-       "clear screen",
-       ""
-);
-
-/*----------------------------------------------------------------------*/
+U_BOOT_CMD(cls,        1, 1, do_lcd_clear, "clear screen", "");
 
 static int lcd_init(void *lcdbase)
 {
-       /* Initialize the lcd controller */
        debug("[LCD] Initializing %ux%ux%u LCD framebuffer at %p\n",
                panel_info.vl_col, panel_info.vl_row, NBITS(panel_info.vl_bpix),
                lcdbase);
@@ -334,10 +292,6 @@ static int lcd_init(void *lcdbase)
        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.
@@ -368,8 +322,6 @@ ulong lcd_setmem(ulong addr)
        return addr;
 }
 
-/*----------------------------------------------------------------------*/
-
 static void lcd_setfgcolor(int color)
 {
        lcd_color_fg = color;
@@ -380,8 +332,6 @@ int lcd_getfgcolor(void)
        return lcd_color_fg;
 }
 
-/*----------------------------------------------------------------------*/
-
 static void lcd_setbgcolor(int color)
 {
        lcd_color_bg = color;
@@ -392,10 +342,6 @@ int lcd_getbgcolor(void)
        return lcd_color_bg;
 }
 
-/************************************************************************/
-/* ** Chipset depending Bitmap / Logo stuff...                          */
-/************************************************************************/
-
 #ifdef CONFIG_LCD_LOGO
 __weak void lcd_logo_set_cmap(void)
 {
@@ -406,20 +352,17 @@ __weak void lcd_logo_set_cmap(void)
                *cmap++ = bmp_logo_palette[i];
 }
 
-void bitmap_plot(int x, int y)
+void lcd_logo_plot(int x, int y)
 {
        ushort i, j;
-       uchar *bmap;
-       uchar *fb;
-       ushort *fb16;
+       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);
 
-       bmap = &bmp_logo_bitmap[0];
-       fb   = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
-
        if (bpix < 12) {
                WATCHDOG_RESET();
                lcd_logo_set_cmap();
@@ -465,39 +408,32 @@ void bitmap_plot(int x, int y)
        lcd_sync();
 }
 #else
-static inline void bitmap_plot(int x, int y) {}
+static inline void lcd_logo_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;
+       int panel_picture_delta = panel_size - picture_size;
+       int axis_alignment;
 
        if (*axis == BMP_ALIGN_CENTER)
                axis_alignment = panel_picture_delta / 2;
+       else if (abs(*axis) > (int)panel_size)
+               axis_alignment = panel_size;
        else if (*axis < 0)
                axis_alignment = panel_picture_delta + *axis + 1;
        else
                return;
-
-       *axis = max(0, (int)axis_alignment);
+       *axis = axis_alignment;
 }
 #endif
 
-
 #ifdef CONFIG_LCD_BMP_RLE8
-
 #define BMP_RLE8_ESCAPE                0
 #define BMP_RLE8_EOL           0
 #define BMP_RLE8_EOBMP         1
@@ -539,8 +475,8 @@ static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
 /*
  * 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)
+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;
@@ -639,10 +575,10 @@ __weak void fb_put_word(uchar **fb, uchar **from)
 }
 #endif /* CONFIG_BMP_16BPP */
 
-__weak void lcd_set_cmap(bmp_image_t *bmp, unsigned colors)
+__weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors)
 {
        int i;
-       bmp_color_table_entry_t cte;
+       struct bmp_color_table_entry cte;
        ushort *cmap = configuration_get_cmap();
 
        for (i = 0; i < colors; ++i) {
@@ -663,14 +599,15 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
        ushort *cmap_base = NULL;
        ushort i, j;
        uchar *fb;
-       bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0);
+       struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0);
        uchar *bmap;
        ushort padded_width;
        unsigned long width, height;
        unsigned long pwidth = panel_info.vl_col;
        unsigned long long colors;
        unsigned bpix, bmp_bpix;
-       bmp_color_table_entry_t *cte;
+       int hdr_size;
+       struct bmp_color_table_entry *palette = bmp->color_table;
 
        if (!bmp || !(bmp->header.signature[0] == 'B' &&
                bmp->header.signature[1] == 'M')) {
@@ -682,8 +619,10 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
        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;
+       colors = 1ULL << bmp_bpix;
 
        bpix = NBITS(panel_info.vl_bpix);
 
@@ -706,8 +645,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                return 1;
        }
 
-       debug("Display-bmp: %lu x %lu  with %llu colors\n",
-               width, height, colors);
+       debug("Display-bmp: %lu x %lu  with %llu colors, display %llu\n",
+               width, height, colors, 1ULL << bpix);
 
        if (bmp_bpix == 8)
                lcd_set_cmap(bmp, colors);
@@ -720,22 +659,33 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
        bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
 
-       if ((x + width) > pwidth)
+       if (x < 0) {
+               width += x;
+               bmap += -x * bmp_bpix / 8;
+               x = 0;
+       }
+       if ((x + width) > pwidth) {
                width = pwidth - x;
+       }
+       if (y < 0) {
+               height += y;
+               y = 0;
+       }
        if ((y + height) > panel_info.vl_row) {
+               bmap += (y + height - panel_info.vl_row) * bmp_bpix / 8 * padded_width;
                height = panel_info.vl_row - y;
-               bmap += (panel_info.vl_row - y) * padded_width;
        }
 
        fb   = (uchar *)(lcd_base +
                (y + height - 1) * lcd_line_length + x * bpix / 8);
 
        switch (bmp_bpix) {
-       case 1: /* pass through */
+       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 */
@@ -750,19 +700,23 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                for (i = 0; i < height; ++i) {
                        WATCHDOG_RESET();
                        for (j = 0; j < width; j++) {
-                               if (bpix == 32) {
-                                       int i = *bmap++;
-
-                                       fb[3] = 0; /* T */
-                                       fb[0] = cte[i].blue;
-                                       fb[1] = cte[i].green;
-                                       fb[2] = cte[i].red;
-                                       fb += sizeof(uint32_t) / sizeof(*fb);
-                               } else if (bpix == 16) {
-                                       *(uint16_t *)fb = cmap_base[*(bmap++)];
-                                       fb += sizeof(uint16_t) / sizeof(*fb);
+                               if (bpix != 16) {
+                                       fb_put_byte(&fb, &bmap);
                                } else {
-                                       FB_PUT_BYTE(fb, bmap);
+                                       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);
                                }
                        }
                        if (bpix > 8) {
@@ -787,7 +741,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                }
                break;
 #endif /* CONFIG_BMP_16BPP */
-#if defined(CONFIG_BMP_24BMP)
+#if defined(CONFIG_BMP_24BPP)
        case 24:
                for (i = 0; i < height; ++i) {
                        for (j = 0; j < width; j++) {
@@ -818,50 +772,20 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
 #endif /* CONFIG_BMP_32BPP */
        };
 
+       lcd_sync();
        return 0;
 }
 #endif
 
-static void *lcd_logo(void)
+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;
-               char *end;
-
-               do_splash = 0;
-
-               if (splash_screen_prepare())
-                       return (void *)lcd_base;
-
-               addr = simple_strtoul (s, &end, 16);
-               if (addr == 0 || *end != '\0')
-                       return lcd_base;
-
-               splash_get_pos(&x, &y);
-
-               if (bmp_display(addr, x, y) == 0)
-                       return (void *)lcd_base;
-       }
-#endif /* CONFIG_SPLASH_SCREEN */
-
-       bitmap_plot(0, 0);
+       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 */
-
-#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
-       return lcd_base + BMP_LOGO_HEIGHT * lcd_line_length;
-#else
-       return lcd_base;
-#endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
 }
 
 #ifdef CONFIG_SPLASHIMAGE_GUARD
@@ -897,48 +821,3 @@ int lcd_get_pixel_height(void)
 {
        return panel_info.vl_row;
 }
-
-#if defined(CONFIG_LCD_DT_SIMPLEFB)
-static int lcd_dt_simplefb_configure_node(void *blob, int off)
-{
-#if LCD_BPP == LCD_COLOR16
-       return fdt_setup_simplefb_node(blob, off, gd->fb_base,
-                                      panel_info.vl_col, panel_info.vl_row,
-                                      panel_info.vl_col * 2, "r5g6b5");
-#else
-       return -1;
-#endif
-}
-
-int lcd_dt_simplefb_add_node(void *blob)
-{
-       static const char compat[] = "simple-framebuffer";
-       static const char disabled[] = "disabled";
-       int off, ret;
-
-       off = fdt_add_subnode(blob, 0, "framebuffer");
-       if (off < 0)
-               return -1;
-
-       ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled));
-       if (ret < 0)
-               return -1;
-
-       ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat));
-       if (ret < 0)
-               return -1;
-
-       return lcd_dt_simplefb_configure_node(blob, off);
-}
-
-int lcd_dt_simplefb_enable_existing_node(void *blob)
-{
-       int off;
-
-       off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer");
-       if (off < 0)
-               return -1;
-
-       return lcd_dt_simplefb_configure_node(blob, off);
-}
-#endif