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2b72262b4f
I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
/*
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* Copyright (c) 2015 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* mouse/ps2.h
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* PS2 Mouse.
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*/
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#ifndef SORTIX_MOUSE_PS2_H
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#define SORTIX_MOUSE_PS2_H
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#include <stddef.h>
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#include <stdint.h>
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#include <sortix/kernel/inode.h>
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#include <sortix/kernel/kthread.h>
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#include <sortix/kernel/poll.h>
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#include <sortix/kernel/ps2.h>
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namespace Sortix {
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class PS2Mouse;
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class PS2MouseDevice;
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class PS2Mouse : public PS2Device
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{
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public:
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PS2Mouse();
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virtual ~PS2Mouse();
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virtual uint8_t Read();
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virtual size_t GetPending() const;
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virtual bool HasPending() const;
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virtual void SetOwner(PS2MouseDevice* owner, void* user);
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virtual void PS2DeviceInitialize(void* send_ctx, bool (*send)(void*, uint8_t),
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uint8_t* id, size_t id_size);
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virtual void PS2DeviceOnByte(uint8_t byte);
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private:
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bool PushByte(uint8_t byte);
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uint8_t PopByte();
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void NotifyOwner();
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private:
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mutable kthread_mutex_t mlock;
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uint8_t* queue;
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size_t queuelength;
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size_t queueoffset;
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size_t queueused;
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PS2MouseDevice* owner;
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void* ownerptr;
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void* send_ctx;
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bool (*send)(void*, uint8_t);
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enum
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{
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STATE_INIT = 0,
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STATE_ENABLE_SCAN,
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STATE_NORMAL,
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} state;
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size_t tries;
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uint8_t id[2];
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size_t id_size;
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};
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class PS2MouseDevice : public AbstractInode
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{
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public:
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PS2MouseDevice(dev_t dev, mode_t mode, uid_t owner, gid_t group,
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PS2Mouse* mouse);
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virtual ~PS2MouseDevice();
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public:
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virtual ssize_t read(ioctx_t* ctx, uint8_t* buf, size_t count);
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virtual int poll(ioctx_t* ctx, PollNode* node);
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public:
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virtual void OnMouseByte(PS2Mouse* keyboard, void* user);
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private:
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short PollEventStatus();
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private:
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PollChannel poll_channel;
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mutable kthread_mutex_t devlock;
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kthread_cond_t datacond;
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PS2Mouse* mouse;
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};
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} // namespace Sortix
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#endif
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