1 files changed, 125 insertions, 0 deletions

diff --git a/firmware/target/arm/philips/hdd6330/button-hdd6330.c b/firmware/target/arm/philips/hdd6330/button-hdd6330.c
new file mode 100644
index 0000000000..ab06c0cf1a
--- /dev/null
+++ b/firmware/target/arm/philips/hdd6330/button-hdd6330.c
@@ -0,0 +1,125 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Mark Arigo
+ *
+ * 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 "system.h"
+#include "button.h"
+#include "backlight.h"
+#include "synaptics-mep.h"
+
+/*#define LOGF_ENABLE*/
+#include "logf.h"
+
+static int int_btn = BUTTON_NONE;
+
+/*
+ * Generate a click sound from the player (not in headphones yet)
+ * TODO: integrate this with the "key click" option
+ */
+void button_click(void)
+{
+    GPO32_ENABLE |= 0x2000;
+    GPO32_VAL |= 0x2000;
+    udelay(1000);
+    GPO32_VAL &= ~0x2000;
+}
+
+#ifndef BOOTLOADER
+void button_init_device(void)
+{
+    /* The touchpad is powered on and initialized in power-hdd1630.c
+       since it needs to be ready for both buttons and button lights. */
+}
+
+/*
+ * Button interrupt handler
+ */
+void button_int(void)
+{
+    char data[4];
+    int val;
+
+    int_btn = BUTTON_NONE;
+
+    val = touchpad_read_device(data, 4);
+    
+    if (val == MEP_BUTTON_HEADER)
+    {
+        /* Buttons packet */
+        if (data[1] & 0x1)
+            int_btn |= BUTTON_LEFT;
+        if (data[1] & 0x2)
+            int_btn |= BUTTON_RIGHT;
+    }
+    else if (val == MEP_ABSOLUTE_HEADER)
+    {
+        /* Absolute packet - the finger is on the vertical strip.
+           Position ranges from 1-4095, with 1 at the bottom. */
+        val = ((data[1] >> 4) << 8) | data[2]; /* position */
+
+        if ((val > 0) && (val <= 1365))
+            int_btn |= BUTTON_DOWN;
+        else if ((val > 1365) && (val <= 2730))
+            int_btn |= BUTTON_SELECT;
+        else if ((val > 2730) && (val <= 4095))
+            int_btn |= BUTTON_UP;
+    }
+}
+#else
+void button_init_device(void){}
+#endif /* bootloader */
+
+bool button_hold(void)
+{
+    return !(GPIOJ_INPUT_VAL & 0x8);
+}
+
+/*
+ * Get button pressed from hardware
+ */
+int button_read_device(void)
+{
+    static int btn_old = BUTTON_NONE;
+    int btn = int_btn;
+
+    /* Hold */
+    if(button_hold())
+        return BUTTON_NONE;
+
+    /* Device buttons */
+    if (!(GPIOA_INPUT_VAL & 0x01)) btn |= BUTTON_MENU;
+    if (!(GPIOA_INPUT_VAL & 0x02)) btn |= BUTTON_VOL_UP;
+    if (!(GPIOA_INPUT_VAL & 0x04)) btn |= BUTTON_VOL_DOWN;
+    if (!(GPIOA_INPUT_VAL & 0x08)) btn |= BUTTON_VIEW;
+    if (!(GPIOD_INPUT_VAL & 0x20)) btn |= BUTTON_PLAYLIST;
+    if (!(GPIOD_INPUT_VAL & 0x40)) btn |= BUTTON_POWER;
+
+    if ((btn != btn_old) && (btn != BUTTON_NONE))
+        button_click();
+
+    btn_old = btn;
+
+    return btn;
+}
+
+bool headphones_inserted(void)
+{
+    return (GPIOE_INPUT_VAL & 0x80) ? true : false;
+}