1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <android-base/file.h>
#include <aidl/android/hardware/usb/BnUsb.h>
#include <aidl/android/hardware/usb/BnUsbCallback.h>
#include <pixelusb/UsbOverheatEvent.h>
#include <utils/Log.h>
#include <UsbDataSessionMonitor.h>
#define UEVENT_MSG_LEN 2048
// The type-c stack waits for 4.5 - 5.5 secs before declaring a port non-pd.
// The -partner directory would not be created until this is done.
// Having a margin of ~3 secs for the directory and other related bookeeping
// structures created and uvent fired.
#define PORT_TYPE_TIMEOUT 8
namespace aidl {
namespace android {
namespace hardware {
namespace usb {
using ::aidl::android::hardware::usb::IUsbCallback;
using ::aidl::android::hardware::usb::PortRole;
using ::android::base::ReadFileToString;
using ::android::base::WriteStringToFile;
using ::android::hardware::google::pixel::usb::UsbOverheatEvent;
using ::android::hardware::google::pixel::usb::ZoneInfo;
using ::android::hardware::thermal::V2_0::TemperatureType;
using ::android::hardware::thermal::V2_0::ThrottlingSeverity;
using ::android::sp;
using ::android::status_t;
using ::ndk::ScopedAStatus;
using ::std::shared_ptr;
using ::std::string;
constexpr char kGadgetName[] = "11210000.dwc3";
#define NEW_UDC_PATH "/sys/devices/platform/11210000.usb/"
#define ID_PATH NEW_UDC_PATH "dwc3_exynos_otg_id"
#define VBUS_PATH NEW_UDC_PATH "dwc3_exynos_otg_b_sess"
#define USB_DATA_PATH NEW_UDC_PATH "usb_data_enabled"
struct Usb : public BnUsb {
Usb();
ScopedAStatus enableContaminantPresenceDetection(const std::string& in_portName,
bool in_enable, int64_t in_transactionId) override;
ScopedAStatus queryPortStatus(int64_t in_transactionId) override;
ScopedAStatus setCallback(const shared_ptr<IUsbCallback>& in_callback) override;
ScopedAStatus switchRole(const string& in_portName, const PortRole& in_role,
int64_t in_transactionId) override;
ScopedAStatus enableUsbData(const string& in_portName, bool in_enable,
int64_t in_transactionId) override;
ScopedAStatus enableUsbDataWhileDocked(const string& in_portName,
int64_t in_transactionId) override;
ScopedAStatus limitPowerTransfer(const string& in_portName, bool in_limit,
int64_t in_transactionId) override;
ScopedAStatus resetUsbPort(const string& in_portName, int64_t in_transactionId) override;
status_t handleShellCommand(int in, int out, int err, const char** argv,
uint32_t argc) override;
std::shared_ptr<::aidl::android::hardware::usb::IUsbCallback> mCallback;
// Protects mCallback variable
pthread_mutex_t mLock;
// Protects roleSwitch operation
pthread_mutex_t mRoleSwitchLock;
// Threads waiting for the partner to come back wait here
pthread_cond_t mPartnerCV;
// lock protecting mPartnerCV
pthread_mutex_t mPartnerLock;
// Variable to signal partner coming back online after type switch
bool mPartnerUp;
// Report usb data session event and data incompliance warnings
UsbDataSessionMonitor mUsbDataSessionMonitor;
// Usb Overheat object for push suez event
UsbOverheatEvent mOverheat;
// Temperature when connected
float mPluggedTemperatureCelsius;
// Usb Data status
bool mUsbDataEnabled;
// Usb hub vendor command settings for JK level tuning
int mUsbHubVendorCmdValue;
int mUsbHubVendorCmdIndex;
private:
pthread_t mPoll;
pthread_t mUsbHost;
};
} // namespace usb
} // namespace hardware
} // namespace android
} // aidl
|
