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diff --git a/firmware/target/hosted/sonynwz/power-nwz.h b/firmware/target/hosted/sonynwz/power-nwz.h
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+++ b/firmware/target/hosted/sonynwz/power-nwz.h
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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#ifndef __POWER_NWZ_H__
+#define __POWER_NWZ_H__
+
+#include "power.h"
+
+/** power */
+
+#define NWZ_POWER_DEV "/dev/icx_power"
+
+#define NWZ_POWER_TYPE 'P'
+
+/* ioctl request */
+#define NWZ_POWER_GET_STATUS _IOR(NWZ_POWER_TYPE, 0, int *)
+#define NWZ_POWER_SET_VBUS_LIMIT _IOW(NWZ_POWER_TYPE, 1, int *)
+#define NWZ_POWER_GET_BAT_ADVAL _IOR(NWZ_POWER_TYPE, 2, int *)
+#define NWZ_POWER_GET_BAT_GAUGE _IOR(NWZ_POWER_TYPE, 3, int *)
+#define NWZ_POWER_ENABLE_CHARGER _IOW(NWZ_POWER_TYPE, 4, int *)
+#define NWZ_POWER_ENABLE_DEBUG_PORT _IO (NWZ_POWER_TYPE, 5)
+#define NWZ_POWER_IS_FULLY_CHARGED _IOR(NWZ_POWER_TYPE, 6, int *)
+#define NWZ_POWER_AVG_VALUE _IO (NWZ_POWER_TYPE, 7)
+#define NWZ_POWER_CONSIDERATION_CHARGE _IOW(NWZ_POWER_TYPE, 8, int)
+#define NWZ_POWER_GET_VBUS_LIMIT _IOR(NWZ_POWER_TYPE, 9, int *)
+#define NWZ_POWER_GET_CHARGE_SWITCH _IOR(NWZ_POWER_TYPE,10, int *)
+#define NWZ_POWER_GET_SAMPLE_COUNT _IOR(NWZ_POWER_TYPE,11, int *)
+#define NWZ_POWER_SET_CHARGE_CURRENT _IOW(NWZ_POWER_TYPE,12, int *)
+#define NWZ_POWER_GET_CHARGE_CURRENT _IOR(NWZ_POWER_TYPE,13, int *)
+#define NWZ_POWER_GET_VBUS_ADVAL _IOR(NWZ_POWER_TYPE,14, int *)
+#define NWZ_POWER_GET_VSYS_ADVAL _IOR(NWZ_POWER_TYPE,15, int *)
+#define NWZ_POWER_GET_VBAT_ADVAL _IOR(NWZ_POWER_TYPE,16, int *)
+#define NWZ_POWER_CHG_VBUS_LIMIT _IOW(NWZ_POWER_TYPE,17, int *)
+#define NWZ_POWER_SET_ACCESSARY_CHARGE_MODE _IOW(NWZ_POWER_TYPE,18, int *)
+#define NWZ_POWER_GET_ACCESSARY_CHARGE_MODE _IOR(NWZ_POWER_TYPE,19, int *)
+
+/* NWZ_POWER_GET_STATUS bitmap */
+#define NWZ_POWER_STATUS_CHARGE_INIT 0x100 /* initializing charging */
+#define NWZ_POWER_STATUS_CHARGE_STATUS 0x0c0 /* charging status mask */
+#define NWZ_POWER_STATUS_VBUS_DET 0x020 /* vbus detected */
+#define NWZ_POWER_STATUS_AC_DET 0x010 /* ac adapter detected */
+#define NWZ_POWER_STATUS_CHARGE_LOW 0x001 /* full voltage of 4.1 instead of 4.2 */
+/* NWZ_POWER_STATUS_CHARGING_MASK value */
+#define NWZ_POWER_STATUS_CHARGE_STATUS_CHARGING 0xc0
+#define NWZ_POWER_STATUS_CHARGE_STATUS_SUSPEND 0x80
+#define NWZ_POWER_STATUS_CHARGE_STATUS_TIMEOUT 0x40
+#define NWZ_POWER_STATUS_CHARGE_STATUS_NORMAL 0x00
+
+/* base values to convert from adval to mV (represents mV for adval of 255) */
+#define NWZ_POWER_AD_BASE_VBAT 4664
+#define NWZ_POWER_AD_BASE_VBUS 7254
+#define NWZ_POWER_AD_BASE_VSYS 5700
+
+/* battery gauge */
+#define NWZ_POWER_BAT_NOBAT -100 /* no battery */
+#define NWZ_POWER_BAT_VERYLOW -99 /* very low */
+#define NWZ_POWER_BAT_LOW 0 /* low */
+#define NWZ_POWER_BAT_GAUGE0 1 /* ____ */
+#define NWZ_POWER_BAT_GAUGE1 2 /* O___ */
+#define NWZ_POWER_BAT_GAUGE2 3 /* OO__ */
+#define NWZ_POWER_BAT_GAUGE3 4 /* OOO_ */
+#define NWZ_POWER_BAT_GAUGE4 5 /* OOOO */
+
+/* NWZ_POWER_GET_ACCESSARY_CHARGE_MODE */
+#define NWZ_POWER_ACC_CHARGE_NONE 0
+#define NWZ_POWER_ACC_CHARGE_VBAT 1
+#define NWZ_POWER_ACC_CHARGE_VSYS 2
+
+/** pminfo
+ *
+ * This driver seems to collect the state of the device on boot. Thus one
+ * can know if a key was pressed when booting for example.
+ */
+
+#define NWZ_PMINFO_DEV "/dev/icx_pminfo"
+
+#define NWZ_PMINFO_TYPE 'b'
+
+/* ioctl request */
+
+#define NWZ_PMINFO_GET_FACTOR _IOR(NWZ_PMINFO_TYPE, 0, unsigned int *)
+#define NWZ_PMINFO_CLR_DETRSTFLG _IO(NWZ_PMINFO_TYPE, 1)
+
+/* NWZ_PMINFO_GET_FACTOR bitmap
+ * WARNING this information may not apply to all players and some bits do not
+ * exists on some players */
+#define ICX_PMINFO_FACTOR_RTC_WAL 0x20000000 /* RTC Weekly Alarm */
+#define ICX_PMINFO_FACTOR_RTC_DAL 0x10000000 /* RTC Daily Alarm */
+#define ICX_PMINFO_FACTOR_VBUS 0x08000000 /* VBUS in/out */
+#define ICX_PMINFO_FACTOR_DC_POWER 0x04000000 /* AC Adaptor in/out */
+#define ICX_PMINFO_FACTOR_USB_WAKE 0x01000000 /* USB Wake */
+#define ICX_PMINFO_FACTOR_CHARGE 0x00400000 /* Charge */
+#define ICX_PMINFO_FACTOR_CRADLE 0x00080000 /* Cradle in/out */
+#define ICX_PMINFO_FACTOR_AB_EV 0x00008000 /* ab event */
+#define ICX_PMINFO_FACTOR_NC_SW 0x00004000 /* nc switch */
+#define ICX_PMINFO_FACTOR_HOLD_SW 0x00002000 /* hold switch */
+#define ICX_PMINFO_FACTOR_KEY_PAD 0x00001000 /* keypad */
+#define ICX_PMINFO_FACTOR_KEY_CODE 0x00000FFF /* keycode */
+
+void power_init(void);
+/* get power status (return -1 on error, bitmap on success) */
+int nwz_power_get_status(void);
+/* get vbus adval (or -1 on error) */
+int nwz_power_get_vbus_adval(void);
+/* get vbus voltage in mV (or -1 on error) */
+int nwz_power_get_vbus_voltage(void);
+/* get vbus current limit (or -1 on error) */
+int nwz_power_get_vbus_limit(void);
+/* get charge switch (or -1 on error) */
+int nwz_power_get_charge_switch(void);
+/* get charge current (or -1 on error) */
+int nwz_power_get_charge_current(void);
+/* get battery gauge (or -1 on error) */
+int nwz_power_get_battery_gauge(void);
+/* get battery adval (or -1 on error) */
+int nwz_power_get_battery_adval(void);
+/* get battery voltage in mV (or -1 on error) */
+int nwz_power_get_battery_voltage(void);
+/* get vbat adval (or -1 on error) */
+int nwz_power_get_vbat_adval(void);
+/* get vbat voltage (or -1 on error) */
+int nwz_power_get_vbat_voltage(void);
+/* get sample count (or -1 on error) */
+int nwz_power_get_sample_count(void);
+/* get vsys adval (or -1 on error) */
+int nwz_power_get_vsys_adval(void);
+/* get vsys voltage in mV (or -1 on error) */
+int nwz_power_get_vsys_voltage(void);
+/* get accessory charge mode */
+int nwz_power_get_acc_charge_mode(void);
+/* is battery fully charged? (or -1 on error) */
+int nwz_power_is_fully_charged(void);
+/* change power state (-1 on error, 0 otherwise)*/
+int nwz_power_suspend(void);
+int nwz_power_shutdown(void);
+int nwz_power_restart(void);
+
+#endif /* __POWER_NWZ_H__ */