hiby: Refactor X3ii/X20 and Rocker LCD code

Once some missing power optimization stuff was added to the X3ii code,
they were completely identical.

Change-Id: I68e4db5e270e8ff22f91e521616a054bd7baa95d

firmware/SOURCES

@@ -124,12 +124,12 @@ target/hosted/lc-unix.c
 target/hosted/sysfs.c
 target/hosted/backlight-unix.c
 target/hosted/system-hosted.c
+target/hosted/lcd-linuxfb.c
 #endif
 
 #if defined(AGPTEK_ROCKER) && !defined(SIMULATOR)
 target/hosted/agptek/button-agptek.c
 target/hosted/agptek/debug-agptek.c
-target/hosted/agptek/lcd-agptek.c
 target/hosted/agptek/power-agptek.c
 target/hosted/agptek/powermgmt-agptek.c
 target/hosted/agptek/usb-agptek.c
@@ -138,7 +138,7 @@ target/hosted/agptek/usb-agptek.c
 #if ((defined(XDUOO_X3II)||defined(XDUOO_X20)) && !defined(SIMULATOR))
 target/hosted/xduoo/button-xduoo.c
 target/hosted/xduoo/debug-xduoo.c
-target/hosted/xduoo/lcd-xduoo.c
+
 target/hosted/xduoo/power-xduoo.c
 target/hosted/xduoo/powermgmt-xduoo.c
 target/hosted/xduoo/usb-xduoo.c

firmware/target/hosted/lcd-linuxfb.c

@@ -92,10 +92,14 @@ void lcd_enable(bool on)
 {
     const char * const sysfs_fb_blank = "/sys/class/graphics/fb0/blank";
 
+#ifdef HAVE_LCD_SLEEP
     if (lcd_active() != on)
+#endif
     {
         sysfs_set_int(sysfs_fb_blank, on ? 0 : 1);
+#ifdef HAVE_LCD_ENABLE
         lcd_set_active(on);
+#endif
 
         if (on)
         {
@@ -114,7 +118,9 @@ extern void lcd_copy_buffer_rect(fb_data *dst, const fb_data *src,
 
 void lcd_update(void)
 {
-    if (lcd_active())
+#ifdef HAVE_LCD_SLEEP
+    if (lcd_active() != on)
+#endif
     {
         /* Copy the Rockbox framebuffer to the second framebuffer */
         lcd_copy_buffer_rect(LCD_FRAMEBUF_ADDR(0, 0), FBADDR(0,0),
@@ -125,7 +131,9 @@ void lcd_update(void)
 
 void lcd_update_rect(int x, int y, int width, int height)
 {
-    if (lcd_active())
+#ifdef HAVE_LCD_SLEEP
+    if (lcd_active() != on)
+#endif
     {
         fb_data *dst = LCD_FRAMEBUF_ADDR(x, y);
         fb_data * src = FBADDR(x,y);

firmware/target/hosted/xduoo/lcd-xduoo.c

@@ -1,140 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- *
- * Copyright (C) 2017 Marcin Bukat
- * Copyright (C) 2016 Amaury Pouly
- *
- * 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 <fcntl.h>
-#include "lcd.h"
-#include "lcd-target.h"
-#include "backlight-target.h"
-#include "sysfs.h"
-#include "panic.h"
-
-static int fd = -1;
-static struct fb_var_screeninfo vinfo;
-fb_data *framebuffer = 0; /* global variable, see lcd-target.h */
-
-void lcd_init_device(void)
-{
-    const char * const fb_dev = "/dev/fb0";
-    fd = open(fb_dev, O_RDWR);
-    if(fd < 0)
-    {
-        panicf("Cannot open framebuffer: %s\n", fb_dev);
-    }
-
-    /* get fixed and variable information */
-    struct fb_fix_screeninfo finfo;
-    if(ioctl(fd, FBIOGET_FSCREENINFO, &finfo) < 0)
-    {
-        panicf("Cannot read framebuffer fixed information");
-    }
-
-    if(ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0)
-    {
-        panicf("Cannot read framebuffer variable information");
-    }
-
-#if 0
-    /* check resolution and framebuffer size */
-    if(vinfo.xres != LCD_WIDTH || vinfo.yres != LCD_HEIGHT || vinfo.bits_per_pixel != LCD_DEPTH)
-    {
-        panicf("Unexpected framebuffer resolution: %dx%dx%d\n", vinfo.xres,
-            vinfo.yres, vinfo.bits_per_pixel);
-    }
-#endif
-    /* Note: we use a framebuffer size of width*height*bbp. We cannot trust the
-     * values returned by the driver for line_length */
-
-    /* map framebuffer */
-    framebuffer = mmap(0, FRAMEBUFFER_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-    if((void *)framebuffer == MAP_FAILED)
-    {
-        panicf("Cannot map framebuffer");
-    }
-
-#ifdef HAVE_LCD_ENABLE
-    lcd_set_active(true);
-#endif
-}
-
-#ifdef HAVE_LCD_SHUTDOWN
-void lcd_shutdown(void)
-{
-    munmap(framebuffer, FRAMEBUFFER_SIZE);
-    close(fd);
-}
-#endif
-
-void lcd_enable(bool on)
-{
-    const char * const sysfs_fb_blank = "/sys/class/graphics/fb0/blank";
-
-    if (lcd_active() != on)
-    {
-        sysfs_set_int(sysfs_fb_blank, on ? 0 : 1);
-        lcd_set_active(on);
-
-        if (on)
-        {
-            send_event(LCD_EVENT_ACTIVATION, NULL);
-        }
-    }
-}
-
-static void redraw(void)
-{
-    ioctl(fd, FBIOPAN_DISPLAY, &vinfo);
-}
-
-extern void lcd_copy_buffer_rect(fb_data *dst, const fb_data *src,
-                                 int width, int height);
-
-void lcd_update(void)
-{
-    /* Copy the Rockbox framebuffer to the second framebuffer */
-    lcd_copy_buffer_rect(LCD_FRAMEBUF_ADDR(0, 0), FBADDR(0,0),
-                         LCD_WIDTH*LCD_HEIGHT, 1);
-    redraw();
-}
-
-void lcd_update_rect(int x, int y, int width, int height)
-{
-    fb_data *dst = LCD_FRAMEBUF_ADDR(x, y);
-    fb_data * src = FBADDR(x,y);
-
-    /* Copy part of the Rockbox framebuffer to the second framebuffer */
-    if (width < LCD_WIDTH)
-    {
-        /* Not full width - do line-by-line */
-        lcd_copy_buffer_rect(dst, src, width, height);
-    }
-    else
-    {
-        /* Full width - copy as one line */
-        lcd_copy_buffer_rect(dst, src, LCD_WIDTH*height, 1);
-    }
-    redraw();
-}