diff options
Diffstat (limited to 'utils/ypr0tools/cable_detect.c')
-rw-r--r-- | utils/ypr0tools/cable_detect.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/utils/ypr0tools/cable_detect.c b/utils/ypr0tools/cable_detect.c new file mode 100644 index 0000000000..57679d4b79 --- /dev/null +++ b/utils/ypr0tools/cable_detect.c | |||
@@ -0,0 +1,63 @@ | |||
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 | */ | ||
56 | int 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 | } | ||