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

1 files changed, 67 insertions, 0 deletions

diff --git a/firmware/target/hosted/samsungypr/ypr1/gpio-target.h b/firmware/target/hosted/samsungypr/ypr1/gpio-target.h
new file mode 100644
index 0000000000..f439e786de
--- /dev/null
+++ b/firmware/target/hosted/samsungypr/ypr1/gpio-target.h
@@ -0,0 +1,67 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ * Module wrapper for GPIO, using /dev/r1GPIO (r1Gpio.ko) of Samsung YP-R1
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef GPIO_TARGET_H
+#define GPIO_TARGET_H
+
+#include "ioctl-ypr1.h"
+
+/* Some meaningful pins used in the YP-R1 */
+
+#define GPIO_HEADPHONE_SENSE        GPIO1_31
+/* I2C bus for the SI4079 FM, WM1808 codec and RTC radio chip */
+#define GPIO_I2C_CLK1               GPIO1_0
+#define GPIO_I2C_DAT1               GPIO1_1
+/* I2C bus for the fuel gauge MAX17040 */
+#define GPIO_I2C_CLK2               GPIO2_12
+#define GPIO_I2C_DAT2               GPIO2_13
+/* SI4079 pins - powerup and interrupt */
+#define GPIO_FM_SEARCH              GPIO1_4
+#define GPIO_FM_BUS_EN              GPIO1_10
+#define GPIO_MUTE                   GPIO2_17
+#define EXT_POWER_DET               GPIO1_26
+/* Low disabled, high enabled */
+#define TV_OUT_ENABLE               GPIO1_17
+/* Battery charging */
+#define CHARGE_ENABLE               GPIO1_18
+#define CHARGE_STATUS               GPIO_D13
+/* This should be high when connecting a special port to the board... */
+#define PBA_CHECK_ENABLED           GPIO2_1
+/* TODO see if this is the source of massive battery drain
+ * touchscreen and usb 3.3v power control line
+ */
+#define POWER_3V3_LINE_CONTROL      GPIO1_16
+
+/* Keypad */
+
+#define GPIO_VOL_UP_KEY             GPIO1_20
+#define GPIO_VOL_DOWN_KEY           GPIO1_21
+#define GPIO_POWER_KEY              GPIO2_16
+
+#define GPIO_DEVICE                 "/dev/r1Gpio"
+
+void gpio_init(void);
+void gpio_close(void);
+int gpio_control_struct(int request, struct gpio_info pin);
+int gpio_control(int request, int num, int mode, int val);
+
+#endif /* GPIO_TARGET_H */