1// Copyright 2017 The Fuchsia Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#pragma once 6 7#include <ddk/device.h> 8#include <ddktl/device.h> 9#include <ddktl/protocol/hidbus.h> 10#include <fbl/mutex.h> 11#include <fbl/unique_ptr.h> 12#include <threads.h> 13#include <zircon/compiler.h> 14#include <zircon/device/hidctl.h> 15#include <zircon/types.h> 16#include <lib/zx/socket.h> 17 18namespace hidctl { 19 20class HidCtl : public ddk::Device<HidCtl, ddk::Ioctlable> { 21 public: 22 HidCtl(zx_device_t* device); 23 24 void DdkRelease(); 25 zx_status_t DdkIoctl(uint32_t op, const void* in_buf, size_t in_len, void* out_buf, 26 size_t out_len, size_t* out_actual); 27}; 28 29class HidDevice : public ddk::Device<HidDevice, ddk::Unbindable>, 30 public ddk::HidBusProtocol<HidDevice> { 31 public: 32 HidDevice(zx_device_t* device, const hid_ioctl_config* config, zx::socket data); 33 34 void DdkRelease(); 35 void DdkUnbind(); 36 37 zx_status_t HidBusQuery(uint32_t options, hid_info_t* info); 38 zx_status_t HidBusStart(ddk::HidBusIfcProxy proxy); 39 void HidBusStop(); 40 zx_status_t HidBusGetDescriptor(uint8_t desc_type, void** data, size_t* len); 41 zx_status_t HidBusGetReport(uint8_t rpt_type, uint8_t rpt_id, void* data, size_t len, 42 size_t* out_len); 43 zx_status_t HidBusSetReport(uint8_t rpt_type, uint8_t rpt_id, void* data, size_t len); 44 zx_status_t HidBusGetIdle(uint8_t rpt_id, uint8_t* duration); 45 zx_status_t HidBusSetIdle(uint8_t rpt_id, uint8_t duration); 46 zx_status_t HidBusGetProtocol(uint8_t* protocol); 47 zx_status_t HidBusSetProtocol(uint8_t protocol); 48 49 int Thread(); 50 void Shutdown(); 51 52 private: 53 zx_status_t Recv(uint8_t* buffer, uint32_t capacity); 54 55 bool boot_device_; 56 uint8_t dev_class_; 57 fbl::unique_ptr<uint8_t[]> report_desc_; 58 size_t report_desc_len_ = 0; 59 uint32_t mtu_ = 256; // TODO: set this based on report_desc_ 60 61 fbl::Mutex lock_; 62 ddk::HidBusIfcProxy proxy_ __TA_GUARDED(lock_); 63 zx::socket data_; 64 thrd_t thread_; 65}; 66 67} // namespace hidctl 68