]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/lcd.c
Merge branch 'master' of git://git.denx.de/u-boot-imx
[karo-tx-uboot.git] / common / lcd.c
index edae835fb0be1e6eb1fccdbf373b42dfc588ee31..689d30eb25c9ad898237c92bd7401bfea0a7976b 100644 (file)
@@ -4,23 +4,7 @@
  * (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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /************************************************************************/
 #endif
 #include <lcd.h>
 #include <watchdog.h>
+#include <asm/unaligned.h>
+#include <splash.h>
+#include <asm/io.h>
+#include <asm/unaligned.h>
 
 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
        defined(CONFIG_CPU_MONAHANS)
 #include <atmel_lcdc.h>
 #endif
 
+#if defined(CONFIG_LCD_DT_SIMPLEFB)
+#include <libfdt.h>
+#endif
+
 /************************************************************************/
 /* ** FONT DATA                                                                */
 /************************************************************************/
 #include <video_font.h>                /* Get font data, width and height      */
-#include <video_font_data.h>
 
 /************************************************************************/
 /* ** LOGO DATA                                                                */
 # endif
 #endif
 
+#ifdef CONFIG_SANDBOX
+#include <asm/sdl.h>
+#endif
+
 #ifndef CONFIG_LCD_ALIGNMENT
 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE
 #endif
 #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) || (LCD_BPP == LCD_COLOR16)
+#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16) || \
+       (LCD_BPP == LCD_COLOR32)
 # define COLOR_MASK(c)         (c)
 #else
 # error Unsupported LCD BPP.
 DECLARE_GLOBAL_DATA_PTR;
 
 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);
 
@@ -155,6 +149,13 @@ void lcd_sync(void)
        if (lcd_flush_dcache)
                flush_dcache_range((u32)lcd_base,
                        (u32)(lcd_base + lcd_get_size(&line_length)));
+#elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
+       static ulong last_sync;
+
+       if (get_timer(last_sync) > 10) {
+               sandbox_sdl_sync(lcd_base);
+               last_sync = get_timer(0);
+       }
 #endif
 }
 
@@ -175,10 +176,20 @@ static void console_scrollup(void)
               CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
 
        /* Clear the last rows */
+#if (LCD_BPP != LCD_COLOR32)
        memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
                COLOR_MASK(lcd_color_bg),
                CONSOLE_ROW_SIZE * rows);
-
+#else
+       u32 *ppix = lcd_console_address +
+                   CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows;
+       u32 i;
+       for (i = 0;
+           i < (CONSOLE_ROW_SIZE * rows) / NBYTES(panel_info.vl_bpix);
+           i++) {
+               *ppix++ = COLOR_MASK(lcd_color_bg);
+       }
+#endif
        lcd_sync();
        console_row -= rows;
 }
@@ -212,6 +223,11 @@ static inline void console_newline(void)
 
 /*----------------------------------------------------------------------*/
 
+static void lcd_stub_putc(struct stdio_dev *dev, const char c)
+{
+       lcd_putc(c);
+}
+
 void lcd_putc(const char c)
 {
        if (!lcd_is_enabled) {
@@ -251,6 +267,11 @@ void lcd_putc(const char c)
 
 /*----------------------------------------------------------------------*/
 
+static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
+{
+       lcd_puts(s);
+}
+
 void lcd_puts(const char *s)
 {
        if (!lcd_is_enabled) {
@@ -296,13 +317,15 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
        ushort off  = x * (1 << LCD_BPP) % 8;
 #endif
 
-       dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
+       dest = (uchar *)(lcd_base + y * lcd_line_length + x * NBITS(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;
+#elif LCD_BPP == LCD_COLOR32
+               u32 *d = (u32 *)dest;
 #else
                uchar *d = dest;
 #endif
@@ -335,6 +358,12 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
                                                lcd_color_fg : lcd_color_bg;
                                bits <<= 1;
                        }
+#elif LCD_BPP == LCD_COLOR32
+                       for (c = 0; c < 8; ++c) {
+                               *d++ = (bits & 0x80) ?
+                                               lcd_color_fg : lcd_color_bg;
+                               bits <<= 1;
+                       }
 #endif
                }
 #if LCD_BPP == LCD_MONOCHROME
@@ -343,15 +372,6 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
        }
 }
 
-/*----------------------------------------------------------------------*/
-
-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);
@@ -397,8 +417,13 @@ static void test_pattern(void)
 /************************************************************************/
 /* ** GENERIC Initialization Routines                                  */
 /************************************************************************/
-
-int lcd_get_size(int *line_length)
+/*
+ * 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;
@@ -409,7 +434,7 @@ int drv_lcd_init(void)
        struct stdio_dev lcddev;
        int rc;
 
-       lcd_base = (void *) gd->fb_base;
+       lcd_base = map_sysmem(gd->fb_base, 0);
 
        lcd_init(lcd_base);             /* LCD initialization */
 
@@ -419,8 +444,8 @@ int drv_lcd_init(void)
        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 */
+       lcddev.putc  = lcd_stub_putc;           /* 'putc' function */
+       lcddev.puts  = lcd_stub_puts;           /* 'puts' function */
 
        rc = stdio_register(&lcddev);
 
@@ -459,9 +484,19 @@ void lcd_clear(void)
        test_pattern();
 #else
        /* set framebuffer to background color */
+#if (LCD_BPP != LCD_COLOR32)
        memset((char *)lcd_base,
-               COLOR_MASK(lcd_getbgcolor()),
+               COLOR_MASK(lcd_color_bg),
                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++ = COLOR_MASK(lcd_color_bg);
+       }
+#endif
 #endif
        /* Paint the logo and retrieve LCD base address */
        debug("[LCD] Drawing the logo...\n");
@@ -500,13 +535,12 @@ static int lcd_init(void *lcdbase)
         * by setting up gd->fb_base. Check for this condition and fixup
         * 'lcd_base' address.
         */
-       if ((unsigned long)lcdbase != gd->fb_base)
-               lcd_base = (void *)gd->fb_base;
+       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_line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
        lcd_is_enabled = 1;
        lcd_clear();
        lcd_enable();
@@ -570,20 +604,6 @@ 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...                          */
 /************************************************************************/
@@ -784,9 +804,9 @@ static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
        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);
+       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;
@@ -893,7 +913,7 @@ 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 *)bmp_image;
+       bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0);
        uchar *bmap;
        ushort padded_width;
        unsigned long width, height, byte_width;
@@ -907,9 +927,10 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                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);
+       width = get_unaligned_le32(&bmp->header.width);
+       height = get_unaligned_le32(&bmp->header.height);
+       bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
+
        colors = 1 << bmp_bpix;
 
        bpix = NBITS(panel_info.vl_bpix);
@@ -921,12 +942,15 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                return 1;
        }
 
-       /* We support displaying 8bpp BMPs on 16bpp LCDs */
-       if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) {
+       /*
+        * 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,
-                       le16_to_cpu(bmp->header.bit_count));
-
+                       bpix, get_unaligned_le16(&bmp->header.bit_count));
                return 1;
        }
 
@@ -963,7 +987,6 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                }
        }
 #endif
-
        /*
         *  BMP format for Monochrome assumes that the state of a
         * pixel is described on a per Bit basis, not per Byte.
@@ -994,15 +1017,16 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
        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 +
+       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: /* pass through */
-       case 8:
+       case 8: {
 #ifdef CONFIG_LCD_BMP_RLE8
-               if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) {
+               u32 compression = get_unaligned_le32(&bmp->header.compression);
+               if (compression == BMP_BI_RLE8) {
                        if (bpix != 16) {
                                /* TODO implement render code for bpix != 16 */
                                printf("Error: only support 16 bpix");
@@ -1032,7 +1056,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                        fb -= byte_width + lcd_line_length;
                }
                break;
-
+       }
 #if defined(CONFIG_BMP_16BPP)
        case 16:
                for (i = 0; i < height; ++i) {
@@ -1045,7 +1069,19 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                }
                break;
 #endif /* CONFIG_BMP_16BPP */
-
+#if defined(CONFIG_BMP_24BMP)
+       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_24BMP */
 #if defined(CONFIG_BMP_32BPP)
        case 32:
                for (i = 0; i < height; ++i) {
@@ -1068,18 +1104,6 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
 }
 #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
@@ -1092,26 +1116,11 @@ static void *lcd_logo(void)
                do_splash = 0;
 
                if (splash_screen_prepare())
-                       return (void *)gd->fb_base;
+                       return (void *)lcd_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 */
+
+               splash_get_pos(&x, &y);
 
                if (bmp_display(addr, x, y) == 0)
                        return (void *)lcd_base;
@@ -1182,3 +1191,86 @@ int lcd_get_screen_columns(void)
 {
        return CONSOLE_COLS;
 }
+
+#if defined(CONFIG_LCD_DT_SIMPLEFB)
+static int lcd_dt_simplefb_configure_node(void *blob, int off)
+{
+       u32 stride;
+       fdt32_t cells[2];
+       int ret;
+       static const char format[] =
+#if LCD_BPP == LCD_COLOR16
+               "r5g6b5";
+#else
+               "";
+#endif
+
+       if (!format[0])
+               return -1;
+
+       stride = panel_info.vl_col * 2;
+
+       cells[0] = cpu_to_fdt32(gd->fb_base);
+       cells[1] = cpu_to_fdt32(stride * panel_info.vl_row);
+       ret = fdt_setprop(blob, off, "reg", cells, sizeof(cells[0]) * 2);
+       if (ret < 0)
+               return -1;
+
+       cells[0] = cpu_to_fdt32(panel_info.vl_col);
+       ret = fdt_setprop(blob, off, "width", cells, sizeof(cells[0]));
+       if (ret < 0)
+               return -1;
+
+       cells[0] = cpu_to_fdt32(panel_info.vl_row);
+       ret = fdt_setprop(blob, off, "height", cells, sizeof(cells[0]));
+       if (ret < 0)
+               return -1;
+
+       cells[0] = cpu_to_fdt32(stride);
+       ret = fdt_setprop(blob, off, "stride", cells, sizeof(cells[0]));
+       if (ret < 0)
+               return -1;
+
+       ret = fdt_setprop(blob, off, "format", format, strlen(format) + 1);
+       if (ret < 0)
+               return -1;
+
+       ret = fdt_delprop(blob, off, "status");
+       if (ret < 0)
+               return -1;
+
+       return 0;
+}
+
+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