From e876f4df6d240bd2e319b1e63be95a625f049a97 Mon Sep 17 00:00:00 2001
From: Lorenzo Miori <memoryS60@gmail.com>
Date: Tue, 10 Sep 2013 22:48:34 +0200
Subject: Samsung YP-R1 target port

This is the basic port to the new target Samsung
YP-R1, which runs on a similar platform as YP-R0.
Port is usable, although there are still
some optimizations that have to be done.

Change-Id: If83a8e386369e413581753780c159026d9e41f04
---
 .../target/hosted/samsungypr/ypr1/button-ypr1.c    | 130 +++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 firmware/target/hosted/samsungypr/ypr1/button-ypr1.c

(limited to 'firmware/target/hosted/samsungypr/ypr1/button-ypr1.c')

diff --git a/firmware/target/hosted/samsungypr/ypr1/button-ypr1.c b/firmware/target/hosted/samsungypr/ypr1/button-ypr1.c
new file mode 100644
index 0000000000..09891cfaf6
--- /dev/null
+++ b/firmware/target/hosted/samsungypr/ypr1/button-ypr1.c
@@ -0,0 +1,130 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: button-sdl.c 30482 2011-09-08 14:53:28Z kugel $
+ *
+ * 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 "config.h"
+#include "button.h"
+#include "kernel.h"
+#include "system.h"
+#include "button-target.h"
+
+#include <gpio-target.h> /* For headphones sense and buttons */
+#include "mcs5000.h" /* Touchscreen controller */
+#include "ioctl-ypr1.h"
+
+enum {
+    STATE_UNKNOWN,
+    STATE_UP,
+    STATE_DOWN,
+};
+
+static int last_x = 0;
+static int last_y = 0;
+static int last_touch_state = STATE_UNKNOWN;
+
+int button_read_device(int *data)
+{
+    int key = BUTTON_NONE;
+    int read_size;
+    struct mcs5000_raw_data touchpad_data;
+
+    /* Check for all the keys */
+    if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_VOL_UP_KEY, 0, 0)) {
+        key |= BUTTON_VOL_UP;
+    }
+    if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_VOL_DOWN_KEY, 0, 0)) {
+        key |= BUTTON_VOL_DOWN;
+    }
+    if (gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_POWER_KEY, 0, 0)) {
+        key |= BUTTON_POWER;
+    }
+
+    read_size = mcs5000_read(&touchpad_data);
+
+    if (read_size == sizeof(struct mcs5000_raw_data)) {
+        /* Generate UP and DOWN events */
+        if (touchpad_data.inputInfo & INPUT_TYPE_SINGLE) {
+            last_touch_state = STATE_DOWN;
+        }
+        else {
+            last_touch_state = STATE_UP;
+        }
+        /* Swap coordinates here */
+#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
+        last_x = (touchpad_data.yHigh << 8) | touchpad_data.yLow;
+        last_y = (touchpad_data.xHigh << 8) | touchpad_data.xLow;
+#else
+        last_x = (touchpad_data.xHigh << 8) | touchpad_data.xLow;
+        last_y = (touchpad_data.yHigh << 8) | touchpad_data.yLow;
+#endif
+    }
+
+    int tkey = touchscreen_to_pixels(last_x, last_y, data);
+
+    if (last_touch_state == STATE_DOWN) {
+            key |= tkey;
+    }
+
+    return key;
+}
+
+#ifndef HAS_BUTTON_HOLD
+void touchscreen_enable_device(bool en)
+{
+    if (en) {
+        mcs5000_power();
+    }
+    else {
+        mcs5000_shutdown();
+    }
+}
+#endif
+
+bool headphones_inserted(void)
+{
+    /* GPIO low - 0 - means headphones inserted */
+    return !gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_HEADPHONE_SENSE, 0, 0);
+}
+
+void button_init_device(void)
+{
+    /* Setup GPIO pin for headphone sense, copied from OF
+     * Pins for the other buttons are already set up by OF button module
+     */
+    gpio_control(DEV_CTRL_GPIO_SET_MUX, GPIO_HEADPHONE_SENSE, 4, 0);
+    gpio_control(DEV_CTRL_GPIO_SET_INPUT, GPIO_HEADPHONE_SENSE, 4, 0);
+
+    /* Turn on touchscreen */
+    mcs5000_init();
+    mcs5000_power();
+    mcs5000_set_hand(RIGHT_HAND);
+}
+
+#ifdef BUTTON_DRIVER_CLOSE
+/* I'm not sure it's called at shutdown...give a check! */
+void button_close_device(void)
+{
+    gpio_control(DEV_CTRL_GPIO_UNSET_MUX, GPIO_HEADPHONE_SENSE, 0, 0);
+
+    /* Turn off touchscreen device */
+    mcs5000_shutdown();
+    mcs5000_close();
+}
+#endif /* BUTTON_DRIVER_CLOSE */
-- 
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