1 files changed, 120 insertions, 0 deletions

diff --git a/firmware/target/hosted/android/dx50/lcd-dx50.c b/firmware/target/hosted/android/dx50/lcd-dx50.c
new file mode 100644
index 0000000000..4d78baaf00
--- /dev/null
+++ b/firmware/target/hosted/android/dx50/lcd-dx50.c
@@ -0,0 +1,120 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: lcd-bitmap.c 29248 2011-02-08 20:05:25Z thomasjfox $
+ *
+ * Copyright (C) 2011 Lorenzo Miori, Thomas Martitz
+ * Copyright (C) 2013 Lorenzo Miori
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <linux/fb.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include "config.h"
+#include "file.h"
+#include "debug.h"
+#include "system.h"
+#include "screendump.h"
+#include "lcd.h"
+#include "lcd-target.h"
+
+static int dev_fd = 0;
+fb_data *dev_fb = 0;
+
+#ifdef HAVE_LCD_SHUTDOWN
+void lcd_shutdown(void)
+{
+    printf("FB closed.");
+    munmap(dev_fb, FRAMEBUFFER_SIZE);
+    close(dev_fd);
+}
+#endif
+
+void lcd_init_device(void)
+{
+    size_t screensize;
+    struct fb_var_screeninfo vinfo;
+    struct fb_fix_screeninfo finfo;
+
+    /* Open the framebuffer device */
+    dev_fd = open("/dev/graphics/fb0", O_RDWR);
+    if (dev_fd == -1) {
+        perror("Error: cannot open framebuffer device");
+        exit(1);
+    }
+
+    /* Get the fixed properties */
+    if (ioctl(dev_fd, FBIOGET_FSCREENINFO, &finfo) == -1) {
+        perror("Error reading fixed information");
+        exit(2);
+    }
+
+
+    /* Now we get the settable settings, and we set 16 bit bpp */
+    if (ioctl(dev_fd, FBIOGET_VSCREENINFO, &vinfo) == -1) {
+        perror("Error reading variable information");
+        exit(3);
+    }
+    /* framebuffer does not fit the screen, a bug of iBassos Firmware, not rockbox.
+       cannot be solved with parameters                                            */
+    vinfo.bits_per_pixel = LCD_DEPTH;
+    vinfo.xres = vinfo.xres_virtual = vinfo.width = LCD_WIDTH;
+    vinfo.yres = vinfo.yres_virtual = vinfo.height = LCD_HEIGHT;
+
+    if (ioctl(dev_fd, FBIOPUT_VSCREENINFO, &vinfo)) {
+            perror("fbset(ioctl)");
+            exit(4);
+    }
+
+    /* Figure out the size of the screen in bytes */
+    screensize = vinfo.xres * vinfo.yres * vinfo.bits_per_pixel / 8;
+    if (screensize != FRAMEBUFFER_SIZE) {
+        exit(4);
+        perror("Display and framebuffer mismatch!\n");
+    }
+
+    /* Map the device to memory */
+    dev_fb = mmap(0, screensize, PROT_READ | PROT_WRITE, MAP_SHARED, dev_fd, 0);
+    if ((int)dev_fb == -1) {
+        perror("Error: failed to map framebuffer device to memory");
+        exit(4);
+    }
+
+    /* Be sure to turn on display at startup */
+    ioctl(dev_fd, FBIOBLANK, VESA_NO_BLANKING);
+#ifdef HAVE_LCD_ENABLE
+    lcd_set_active(true);
+#endif
+}
+
+#ifdef HAVE_LCD_ENABLE
+void lcd_enable(bool enable)
+ {
+    if (lcd_active() == enable)
+        return;
+
+    lcd_set_active(enable);
+
+    /* Turn on or off the display using Linux interface */
+    ioctl(dev_fd, FBIOBLANK, enable ? VESA_NO_BLANKING : VESA_POWERDOWN);
+
+    if (enable)
+        send_event(LCD_EVENT_ACTIVATION, NULL);
+}
+#endif