1 files changed, 119 insertions, 0 deletions

diff --git a/firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c b/firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c
new file mode 100644
index 0000000000..d6a4209292
--- /dev/null
+++ b/firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c
@@ -0,0 +1,119 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2011 by 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 "button-target.h"
+#include "system.h"
+#include "system-target.h"
+#include "pinctrl-imx233.h"
+#include "power-imx233.h"
+#include "string.h"
+#include "usb.h"
+#include "touchscreen.h"
+#include "touchscreen-imx233.h"
+
+struct touch_calibration_point
+{
+    short px_x; /* known pixel value */
+    short px_y;
+    short val_x; /* touchscreen value at the known pixel */
+    short val_y;
+};
+
+static struct touch_calibration_point topleft, bottomright;
+
+/* Amaury Pouly: values on my device
+ * Portait: (x and y are swapped)
+ *   (0,0) = 200, 300
+ *   (240,400) = 3900, 3800
+ * Landscape:
+ *   (0,0) = 200, 3800
+ *   (400,240) = 3900, 300
+*/
+void button_init_device(void)
+{
+#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
+    topleft.val_x = 300;
+    topleft.val_y = 200;
+
+    bottomright.val_x = 3800;
+    bottomright.val_y = 3900;
+#else
+    topleft.val_x = 300;
+    topleft.val_y = 3900;
+
+    bottomright.val_x = 3800;
+    bottomright.val_y = 200;
+#endif
+    topleft.px_x = 0;
+    topleft.px_y = 0;
+
+    bottomright.px_x = LCD_WIDTH;
+    bottomright.px_y = LCD_HEIGHT;
+    
+    imx233_touchscreen_init();
+    imx233_touchscreen_enable(true);
+}
+
+static int touch_to_pixels(int *val_x, int *val_y)
+{
+    short x,y;
+
+#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
+    x = *val_y;
+    y = *val_x;
+#else
+    x = *val_x;
+    y = *val_y;
+#endif
+
+    x = (x - topleft.val_x) * (bottomright.px_x - topleft.px_x) / (bottomright.val_x - topleft.val_x) + topleft.px_x;
+    y = (y - topleft.val_y) * (bottomright.px_y - topleft.px_y) / (bottomright.val_y - topleft.val_y) + topleft.px_y;
+
+    x = MAX(0, MIN(x, LCD_WIDTH - 1));
+    y = MAX(0, MIN(y, LCD_HEIGHT - 1));
+
+    *val_x = x;
+    *val_y = y;
+
+    return (x<<16)|y;
+}
+
+static int touchscreen_read_device(int *data)
+{
+    int x, y;
+    if(!imx233_touchscreen_get_touch(&x, &y))
+        return 0;
+    if(data)
+        *data = touch_to_pixels(&x, &y);
+    return touchscreen_to_pixels(x, y, data);
+}
+
+int button_read_device(int *data)
+{
+    int res = 0;
+    /* B0P11: #power
+     * B0P14: #select */
+    uint32_t mask = imx233_get_gpio_input_mask(0, 0x4800);
+    if(!(mask & 0x800))
+        res |= BUTTON_POWER;
+    if(!(mask & 0x4000))
+        res |= BUTTON_MENU;
+    return res | touchscreen_read_device(data);
+}