summaryrefslogtreecommitdiffstats
path: root/src/core/hle/service/hid/hidbus/hidbus_base.h
blob: d3960f506d3d2f4af4f3ef9c9c9b8ed80ad903b1 (plain) (blame)
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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <array>
#include "common/common_types.h"
#include "core/hle/result.h"

namespace Kernel {
class KEvent;
class KReadableEvent;
} // namespace Kernel

namespace Service::KernelHelpers {
class ServiceContext;
}

namespace Service::HID {

// This is nn::hidbus::JoyPollingMode
enum class JoyPollingMode : u32 {
    SixAxisSensorDisable,
    SixAxisSensorEnable,
    ButtonOnly,
};

struct DataAccessorHeader {
    Result result{ResultUnknown};
    INSERT_PADDING_WORDS(0x1);
    std::array<u8, 0x18> unused{};
    u64 latest_entry{};
    u64 total_entries{};
};
static_assert(sizeof(DataAccessorHeader) == 0x30, "DataAccessorHeader is an invalid size");

struct JoyDisableSixAxisPollingData {
    std::array<u8, 0x26> data;
    u8 out_size;
    INSERT_PADDING_BYTES(0x1);
    u64 sampling_number;
};
static_assert(sizeof(JoyDisableSixAxisPollingData) == 0x30,
              "JoyDisableSixAxisPollingData is an invalid size");

struct JoyEnableSixAxisPollingData {
    std::array<u8, 0x8> data;
    u8 out_size;
    INSERT_PADDING_BYTES(0x7);
    u64 sampling_number;
};
static_assert(sizeof(JoyEnableSixAxisPollingData) == 0x18,
              "JoyEnableSixAxisPollingData is an invalid size");

struct JoyButtonOnlyPollingData {
    std::array<u8, 0x2c> data;
    u8 out_size;
    INSERT_PADDING_BYTES(0x3);
    u64 sampling_number;
};
static_assert(sizeof(JoyButtonOnlyPollingData) == 0x38,
              "JoyButtonOnlyPollingData is an invalid size");

struct JoyDisableSixAxisPollingEntry {
    u64 sampling_number;
    JoyDisableSixAxisPollingData polling_data;
};
static_assert(sizeof(JoyDisableSixAxisPollingEntry) == 0x38,
              "JoyDisableSixAxisPollingEntry is an invalid size");

struct JoyEnableSixAxisPollingEntry {
    u64 sampling_number;
    JoyEnableSixAxisPollingData polling_data;
};
static_assert(sizeof(JoyEnableSixAxisPollingEntry) == 0x20,
              "JoyEnableSixAxisPollingEntry is an invalid size");

struct JoyButtonOnlyPollingEntry {
    u64 sampling_number;
    JoyButtonOnlyPollingData polling_data;
};
static_assert(sizeof(JoyButtonOnlyPollingEntry) == 0x40,
              "JoyButtonOnlyPollingEntry is an invalid size");

struct JoyDisableSixAxisDataAccessor {
    DataAccessorHeader header{};
    std::array<JoyDisableSixAxisPollingEntry, 0xb> entries{};
};
static_assert(sizeof(JoyDisableSixAxisDataAccessor) == 0x298,
              "JoyDisableSixAxisDataAccessor is an invalid size");

struct JoyEnableSixAxisDataAccessor {
    DataAccessorHeader header{};
    std::array<JoyEnableSixAxisPollingEntry, 0xb> entries{};
};
static_assert(sizeof(JoyEnableSixAxisDataAccessor) == 0x190,
              "JoyEnableSixAxisDataAccessor is an invalid size");

struct ButtonOnlyPollingDataAccessor {
    DataAccessorHeader header;
    std::array<JoyButtonOnlyPollingEntry, 0xb> entries;
};
static_assert(sizeof(ButtonOnlyPollingDataAccessor) == 0x2F0,
              "ButtonOnlyPollingDataAccessor is an invalid size");

class HidbusBase {
public:
    explicit HidbusBase(KernelHelpers::ServiceContext& service_context_);
    virtual ~HidbusBase();

    void ActivateDevice();

    void DeactivateDevice();

    bool IsDeviceActivated() const;

    // Enables/disables the device
    void Enable(bool enable);

    // returns true if device is enabled
    bool IsEnabled() const;

    // returns true if polling mode is enabled
    bool IsPollingMode() const;

    // returns polling mode
    JoyPollingMode GetPollingMode() const;

    // Sets and enables JoyPollingMode
    void SetPollingMode(JoyPollingMode mode);

    // Disables JoyPollingMode
    void DisablePollingMode();

    // Called on EnableJoyPollingReceiveMode
    void SetTransferMemoryPointer(u8* t_mem);

    Kernel::KReadableEvent& GetSendCommandAsycEvent() const;

    virtual void OnInit() {}

    virtual void OnRelease() {}

    // Updates device transfer memory
    virtual void OnUpdate() {}

    // Returns the device ID of the joycon
    virtual u8 GetDeviceId() const {
        return {};
    }

    // Assigns a command from data
    virtual bool SetCommand(const std::vector<u8>& data) {
        return {};
    }

    // Returns a reply from a command
    virtual std::vector<u8> GetReply() const {
        return {};
    }

protected:
    bool is_activated{};
    bool device_enabled{};
    bool polling_mode_enabled{};
    JoyPollingMode polling_mode = {};
    // TODO(German77): All data accessors need to be replaced with a ring lifo object
    JoyDisableSixAxisDataAccessor disable_sixaxis_data{};
    JoyEnableSixAxisDataAccessor enable_sixaxis_data{};
    ButtonOnlyPollingDataAccessor button_only_data{};

    u8* transfer_memory{nullptr};
    bool is_transfer_memory_set{};

    Kernel::KEvent* send_command_async_event;
    KernelHelpers::ServiceContext& service_context;
};
} // namespace Service::HID