tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 *
9 * Samsung YP-R1 runtime USB cable detection
10 *
11 * Copyright (C) 2013 Lorenzo Miori
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22
23#include <sys/ioctl.h>
24#include <fcntl.h>
25#include <unistd.h>
26
27#define IOCTL_PMU_MAGIC 'A'
28
29#define E_IOCTL_PMU_GET_BATT_LVL 0
30#define E_IOCTL_PMU_GET_CHG_STATUS 1
31#define E_IOCTL_PMU_IS_EXT_PWR 2
32#define E_IOCTL_PMU_STOP_CHG 3
33#define E_IOCTL_PMU_START_CHG 4
34#define E_IOCTL_PMU_IS_EXT_PWR_OVP 5
35#define E_IOCTL_PMU_LCD_DIM_CTRL 6
36#define E_IOCTL_PMU_CORE_CTL_HIGH 7
37#define E_IOCTL_PMU_CORE_CTL_LOW 8
38#define E_IOCTL_PMU_TSP_USB_PWR_OFF 9
39
40#define IOCTL_PMU_GET_BATT_LVL _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_GET_BATT_LVL)
41#define IOCTL_PMU_GET_CHG_STATUS _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_GET_CHG_STATUS)
42#define IOCTL_PMU_IS_EXT_PWR _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_IS_EXT_PWR)
43#define IOCTL_PMU_STOP_CHG _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_STOP_CHG)
44#define IOCTL_PMU_START_CHG _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_START_CHG)
45#define IOCTL_PMU_IS_EXT_PWR_OVP _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_IS_EXT_PWR_OVP)
46#define IOCTL_PMU_LCD_DIM_CTRL _IOW(IOCTL_PMU_MAGIC, E_IOCTL_PMU_LCD_DIM_CTRL, int)
47#define IOCTL_PMU_CORE_CTL_HIGH _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_CORE_CTL_HIGH)
48#define IOCTL_PMU_CORE_CTL_LOW _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_CORE_CTL_LOW)
49#define IOCTL_PMU_TSP_USB_PWR_OFF _IO(IOCTL_PMU_MAGIC, E_IOCTL_PMU_TSP_USB_PWR_OFF)
50
51/*
52 * This is a very simple program that runs on device.
53 * It returns error code either 0 when (power/usb) cable
54 * is not connected or >= 1 if connected.
55 */
56int main(void)
57{
58 int state = -1;
59 int dev = open("/dev/r1Pmu", O_RDONLY);
60 state = ioctl(dev, IOCTL_PMU_IS_EXT_PWR);
61 close(dev);
62 return state;
63}