570 lines
14 KiB
C
570 lines
14 KiB
C
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/*
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* SPDX-License-Identifier: MIT
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* Copyright (C) 2004 - 2021 AJA Video Systems, Inc.
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*/
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///////////////////////////////////////////////////////////////
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//
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// Device Driver for AJA OEM devices.
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//
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////////////////////////////////////////////////////////////
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//
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// Filename: ntv2system.h
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// Purpose: NTV2 system function abstraction
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// Notes:
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//
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///////////////////////////////////////////////////////////////
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#ifndef NTV2SYSTEM_H
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#define NTV2SYSTEM_H
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#define NTV2_MEMORY_ALIGN_DEFAULT 64
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#define NTV2_MEMORY_ALIGN_MAX 4096
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#if defined(AJAVirtual)
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "ajatypes.h"
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// virtual return codes
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typedef int Ntv2Status;
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#define NTV2_STATUS_SUCCESS (0)
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#define NTV2_STATUS_FAIL (-1)
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#define NTV2_STATUS_NO_DEVICE (-2)
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#define NTV2_STATUS_BAD_STATE (-3)
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#define NTV2_STATUS_BAD_PARAMETER (-4)
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#define NTV2_STATUS_NO_MEMORY (-5)
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#define NTV2_STATUS_BUSY (-6)
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#define NTV2_STATUS_IO_ERROR (-7)
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#define NTV2_STATUS_TIMEOUT (-8)
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#define NTV2_STATUS_NO_RESOURCES (-9)
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// virtual try/catch
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#define NTV2_TRY if (true)
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#define NTV2_CATCH if (false)
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// virtual system context
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typedef struct ntv2_system_context
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{
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} Ntv2SystemContext;
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// virtual register abstraction
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typedef void* Ntv2Register;
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//MRBILL #define ntv2WriteRegister32(reg, value)
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//MRBILL #define ntv2ReadRegister32(reg)
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// virtual message abstraction
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#define ntv2Message(string, ...) printf(string, __VA_ARGS__)
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// virtual spinlock abstraction
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typedef struct ntv2_spinlock
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{
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} Ntv2SpinLock;
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// virtual interrupt lock abstraction
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typedef struct ntv2_interrupt_lock
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{
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} Ntv2InterruptLock;
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// virtual memory abstraction
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typedef void* Ntv2DmaAddress;
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typedef struct ntv2_dma_memory
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{
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void* pAddress;
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Ntv2DmaAddress dmaAddress;
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uint32_t size;
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} Ntv2DmaMemory;
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// virtual user buffer abstraction
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typedef struct ntv2_user_buffer
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{
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void* pAddress;
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uint32_t size;
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bool write;
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} Ntv2UserBuffer;
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// virtual dpc task abstraction
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typedef unsigned long Ntv2DpcData;
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typedef void Ntv2DpcTask(Ntv2DpcData data);
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typedef struct ntv2_dpc
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{
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} Ntv2Dpc;
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// virtual event abstraction
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typedef struct ntv2_event
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{
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} Ntv2Event;
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// virtual semaphore abstraction
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typedef struct ntv2_semaphore
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{
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} Ntv2Semaphore;
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// virtual thread abstraction
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typedef void Ntv2ThreadTask(void* pContext);
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typedef struct ntv2_thread
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{
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const char* pName;
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Ntv2ThreadTask* pFunc;
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void* pContext;
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bool run;
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} Ntv2Thread;
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//endif // defined(AJAVirtual)
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#elif defined(MSWindows)
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#define NO_STRICT
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#include <ntifs.h>
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#include <ntddk.h>
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#include <wmilib.h>
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#pragma warning(disable:4201)
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#include <wdf.h>
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#pragma warning(default:4201)
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//#define NTSTRSAFE_LIB
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#include <ntstrsafe.h>
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#include <ntddser.h>
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#if !defined (__cplusplus)
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typedef unsigned char bool;
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#define true 1
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#define false 0
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#endif
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#include "ajatypes.h"
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#include "ntv2publicinterface.h"
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// windows return codes
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typedef NTSTATUS Ntv2Status;
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#define NTV2_STATUS_SUCCESS (STATUS_SUCCESS)
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#define NTV2_STATUS_FAIL (STATUS_UNSUCCESSFUL)
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#define NTV2_STATUS_NO_DEVICE (STATUS_NO_SUCH_DEVICE)
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#define NTV2_STATUS_BAD_STATE (STATUS_INVALID_DEVICE_STATE)
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#define NTV2_STATUS_BAD_PARAMETER (STATUS_INVALID_PARAMETER)
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#define NTV2_STATUS_NO_MEMORY (STATUS_NO_MEMORY)
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#define NTV2_STATUS_BUSY (STATUS_DEVICE_BUSY)
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#define NTV2_STATUS_IO_ERROR (STATUS_IO_DEVICE_ERROR)
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#define NTV2_STATUS_TIMEOUT (STATUS_IO_TIMEOUT)
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#define NTV2_STATUS_NO_RESOURCES (STATUS_INSUFFICIENT_RESOURCES)
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// windows system context
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typedef struct ntv2_system_context
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{
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uint32_t devNum; // device number
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WDFDRIVER wdfDriver; // wdf driver
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WDFDEVICE wdfDevice; // wdf device
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WDFINTERRUPT wdfInterrupt; // wdf interrupt
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WDFDMAENABLER wdfDmaEnabler; // wdf dma enabler
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ULONG busNumber; // device pci bus number
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BUS_INTERFACE_STANDARD BusInterface; // windows bus interface
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PBUS_INTERFACE_STANDARD pBusInterface; // bus interface pointer
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} Ntv2SystemContext;
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// windows register abstraction
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typedef uint8_t* Ntv2Register;
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#define ntv2WriteRegister32(reg, value) WRITE_REGISTER_ULONG((ULONG*)(reg), (ULONG)(value))
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#define ntv2ReadRegister32(reg) READ_REGISTER_ULONG((ULONG*)(reg))
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// windows message abstraction
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#define ntv2Message(string, ...) DbgPrint(string, __VA_ARGS__)
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// windows spinlock abstraction
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typedef struct ntv2_spinlock
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{
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KSPIN_LOCK lock;
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KIRQL irql;
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} Ntv2SpinLock;
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// windows interrupt lock abstraction
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typedef struct ntv2_interrupt_lock
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{
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WDFINTERRUPT wdfInterrupt;
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bool locked;
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} Ntv2InterruptLock;
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// windows memory abstraction
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typedef int64_t Ntv2DmaAddress;
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typedef struct ntv2_dma_memory
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{
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WDFCOMMONBUFFER wdfCommonBuffer;
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PVOID pAddress;
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Ntv2DmaAddress dmaAddress;
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uint32_t size;
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} Ntv2DmaMemory;
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// windows user buffer abstraction
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typedef struct ntv2_user_buffer
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{
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PVOID pAddress;
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uint32_t size;
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bool write;
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} Ntv2UserBuffer;
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// windows dpc task abstraction
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typedef uint64_t Ntv2DpcData;
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typedef void Ntv2DpcTask(Ntv2DpcData data);
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typedef struct ntv2_dpc
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{
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WDFDPC wdfDpc;
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} Ntv2Dpc;
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// windows event abstraction
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typedef struct ntv2_event
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{
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KEVENT event;
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} Ntv2Event;
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// windows semaphore abstraction
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typedef struct ntv2_semaphore
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{
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KSEMAPHORE semaphore;
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} Ntv2Semaphore;
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// windows thread abstraction
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typedef void Ntv2ThreadTask(void* pContext);
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typedef struct ntv2_thread
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{
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PKTHREAD pTask;
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const char *pName;
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Ntv2ThreadTask* pFunc;
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void *pContext;
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bool run;
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} Ntv2Thread;
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//endif // defined(MSWindows)
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#elif defined(AJAMac)
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#include "ajatypes.h"
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#if defined(NTV2_BUILDING_DRIVER)
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#include <IOKit/IOLocks.h>
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#include <IOKit/IOLib.h>
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#include "MacLog.h"
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#endif
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// Mac return codes
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typedef IOReturn Ntv2Status;
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#define NTV2_STATUS_SUCCESS (kIOReturnSuccess)
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#define NTV2_STATUS_FAIL (kIOReturnError)
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#define NTV2_STATUS_NO_DEVICE (kIOReturnNoDevice)
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#define NTV2_STATUS_BAD_STATE (kIOReturnInvalid)
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#define NTV2_STATUS_BAD_PARAMETER (kIOReturnBadArgument)
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#define NTV2_STATUS_NO_MEMORY (kIOReturnNoMemory)
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#define NTV2_STATUS_BUSY (kIOReturnBusy)
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#define NTV2_STATUS_IO_ERROR (kIOReturnIPCError)
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#define NTV2_STATUS_TIMEOUT (kIOReturnTimeout)
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#define NTV2_STATUS_NO_RESOURCES (kIOReturnNoResources)
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// windows message abstraction
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#define ntv2Message(string, ...) DebugLog(string, __VA_ARGS__)
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// Mac system context
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typedef void* ntv2_mac_driver_ref;
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typedef struct ntv2_system_context
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{
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ntv2_mac_driver_ref macDriverRef;
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} Ntv2SystemContext;
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// Mac register abstraction
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typedef uint8_t* Ntv2Register;
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// Mac spinlock abstraction
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//class IOSimpleLock;
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typedef struct ntv2_spinlock
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{
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IOSimpleLock* lock;
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} Ntv2SpinLock;
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// Mac event abstraction
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//class IORecursiveLock;
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typedef struct ntv2_event
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{
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IORecursiveLock* pRecursiveLock;
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bool flag;
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} Ntv2Event;
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// Mac thread abstraction
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typedef void Ntv2ThreadTask(void* pContext);
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typedef struct ntv2_thread
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{
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thread_t pTask;
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const char *pName;
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Ntv2ThreadTask* pFunc;
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void *pContext;
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bool run;
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} Ntv2Thread;
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//endif // defined(AJAMac)
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#elif defined(AJALinux)
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// linux system headers
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#if defined(CONFIG_SMP)
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#define __SMP__
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#endif
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/fs.h>
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#include <linux/pci.h>
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#include <linux/cdev.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/time.h>
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#include <linux/kthread.h>
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#include <linux/uaccess.h>
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#include <linux/vmalloc.h>
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#include <linux/serial.h>
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#include <linux/serial_core.h>
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#include <linux/tty.h>
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#include <linux/tty_flip.h>
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#include "ajatypes.h"
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// linux return codes
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typedef int Ntv2Status;
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#define NTV2_STATUS_SUCCESS (0)
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#define NTV2_STATUS_FAIL (-EAGAIN)
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#define NTV2_STATUS_NO_DEVICE (-ENODEV)
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#define NTV2_STATUS_BAD_STATE (-EPERM)
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#define NTV2_STATUS_BAD_PARAMETER (-EINVAL)
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#define NTV2_STATUS_NO_MEMORY (-ENOMEM)
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#define NTV2_STATUS_BUSY (-EBUSY)
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#define NTV2_STATUS_IO_ERROR (-EIO)
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#define NTV2_STATUS_TIMEOUT (-ETIME)
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#define NTV2_STATUS_NO_RESOURCES (-ENOMEM)
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// linux system context
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typedef struct ntv2_system_context
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{
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uint32_t devNum; // device number
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struct pci_dev* pDevice; // linux pci device
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uint32_t busNumber; // pci bus number
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} Ntv2SystemContext;
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// linux register abstraction
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typedef void __iomem* Ntv2Register;
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#define ntv2WriteRegister32(reg, value) iowrite32((uint32_t)(value), (void*)(reg))
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#define ntv2ReadRegister32(reg) ioread32((void*)(reg))
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// linux message abstraction
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#define ntv2Message(string, ...) printk(KERN_ALERT string, __VA_ARGS__)
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// linux spinlock abstraction
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typedef struct ntv2_spinlock
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{
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spinlock_t lock;
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} Ntv2SpinLock;
|
||
|
|
|
||
|
|
// linux interrupt lock abstraction
|
||
|
|
|
||
|
|
typedef struct ntv2_interrupt_lock
|
||
|
|
{
|
||
|
|
spinlock_t lock;
|
||
|
|
unsigned long flags;
|
||
|
|
} Ntv2InterruptLock;
|
||
|
|
|
||
|
|
// linux memory abstraction
|
||
|
|
|
||
|
|
typedef dma_addr_t Ntv2DmaAddress;
|
||
|
|
typedef struct ntv2_dma_memory
|
||
|
|
{
|
||
|
|
struct pci_dev* pDevice;
|
||
|
|
void* pAddress;
|
||
|
|
Ntv2DmaAddress dmaAddress;
|
||
|
|
uint32_t size;
|
||
|
|
} Ntv2DmaMemory;
|
||
|
|
|
||
|
|
// linux user buffer abstraction
|
||
|
|
|
||
|
|
typedef struct ntv2_user_buffer
|
||
|
|
{
|
||
|
|
void* pAddress;
|
||
|
|
uint32_t size;
|
||
|
|
bool write;
|
||
|
|
} Ntv2UserBuffer;
|
||
|
|
|
||
|
|
// linux dpc task abstraction
|
||
|
|
|
||
|
|
typedef unsigned long Ntv2DpcData;
|
||
|
|
typedef void Ntv2DpcTask(Ntv2DpcData data);
|
||
|
|
|
||
|
|
typedef struct ntv2_dpc
|
||
|
|
{
|
||
|
|
struct tasklet_struct tasklet;
|
||
|
|
} Ntv2Dpc;
|
||
|
|
|
||
|
|
// linux event abstraction
|
||
|
|
|
||
|
|
typedef struct ntv2_event
|
||
|
|
{
|
||
|
|
wait_queue_head_t event;
|
||
|
|
bool flag;
|
||
|
|
} Ntv2Event;
|
||
|
|
|
||
|
|
// linux semaphore abstraction
|
||
|
|
|
||
|
|
typedef struct ntv2_semaphore
|
||
|
|
{
|
||
|
|
struct semaphore semaphore;
|
||
|
|
} Ntv2Semaphore;
|
||
|
|
|
||
|
|
// linux thread abstraction
|
||
|
|
|
||
|
|
typedef void Ntv2ThreadTask(void* pContext);
|
||
|
|
typedef struct ntv2_thread
|
||
|
|
{
|
||
|
|
const char* pName;
|
||
|
|
struct task_struct* pTask;
|
||
|
|
Ntv2ThreadTask* pFunc;
|
||
|
|
void* pContext;
|
||
|
|
bool run;
|
||
|
|
} Ntv2Thread;
|
||
|
|
|
||
|
|
#endif // defined(AJALinux)
|
||
|
|
|
||
|
|
#if defined (AJAMac)
|
||
|
|
// Mac register read/write
|
||
|
|
uint32_t ntv2ReadRegister32(Ntv2SystemContext* context, uint32_t regNum);
|
||
|
|
void ntv2WriteRegister32(Ntv2SystemContext* context, uint32_t regNum, uint32_t regValue);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
uint32_t ntv2ReadRegister(Ntv2SystemContext* context, uint32_t regnNum);
|
||
|
|
bool ntv2ReadRegisterMS(Ntv2SystemContext* context, uint32_t regnum, uint32_t* data, uint32_t regMask, uint32_t regShift);
|
||
|
|
bool ntv2WriteRegister(Ntv2SystemContext* context, uint32_t regnum, uint32_t data);
|
||
|
|
bool ntv2WriteRegisterMS(Ntv2SystemContext* context, uint32_t regnum, uint32_t data, uint32_t regMask, uint32_t regShift);
|
||
|
|
uint32_t ntv2ReadVirtualRegister(Ntv2SystemContext* context, uint32_t regNum);
|
||
|
|
bool ntv2WriteVirtualRegister(Ntv2SystemContext* context, uint32_t regNum, uint32_t data);
|
||
|
|
|
||
|
|
// spinlock functions
|
||
|
|
|
||
|
|
bool ntv2SpinLockOpen(Ntv2SpinLock* pSpinLock, Ntv2SystemContext* pSysCon);
|
||
|
|
void ntv2SpinLockClose(Ntv2SpinLock* pSpinLock);
|
||
|
|
void ntv2SpinLockAcquire(Ntv2SpinLock* pSpinLock);
|
||
|
|
void ntv2SpinLockRelease(Ntv2SpinLock* pSpinLock);
|
||
|
|
|
||
|
|
// memory functions
|
||
|
|
|
||
|
|
void* ntv2MemoryAlloc(uint32_t size);
|
||
|
|
void ntv2MemoryFree(void* pAddress, uint32_t size);
|
||
|
|
|
||
|
|
// event functions
|
||
|
|
|
||
|
|
bool ntv2EventOpen(Ntv2Event* pEvent, Ntv2SystemContext* pSysCon);
|
||
|
|
void ntv2EventClose(Ntv2Event* pEvent);
|
||
|
|
void ntv2EventSignal(Ntv2Event* pEvent);
|
||
|
|
void ntv2EventClear(Ntv2Event* pEvent);
|
||
|
|
bool ntv2EventWaitForSignal(Ntv2Event* pEvent, int64_t timeout, bool alert);
|
||
|
|
|
||
|
|
// sleep function
|
||
|
|
|
||
|
|
void ntv2TimeSleep(int64_t microseconds);
|
||
|
|
|
||
|
|
// kernel thread
|
||
|
|
|
||
|
|
bool ntv2ThreadOpen(Ntv2Thread* pThread, Ntv2SystemContext* pSysCon, const char* pName);
|
||
|
|
void ntv2ThreadClose(Ntv2Thread* pThread);
|
||
|
|
bool ntv2ThreadRun(Ntv2Thread* pThread, Ntv2ThreadTask* pTask, void* pContext);
|
||
|
|
void ntv2ThreadStop(Ntv2Thread* pThread);
|
||
|
|
const char* ntv2ThreadGetName(Ntv2Thread* pThread);
|
||
|
|
bool ntv2ThreadShouldStop(Ntv2Thread* pThread);
|
||
|
|
void ntv2ThreadExit(Ntv2Thread* pThread);
|
||
|
|
|
||
|
|
// pci configuration space
|
||
|
|
Ntv2Status ntv2ReadPciConfig(Ntv2SystemContext* pSysCon, void* pData, int32_t offset, int32_t size);
|
||
|
|
Ntv2Status ntv2WritePciConfig(Ntv2SystemContext* pSysCon, void* pData, int32_t offset, int32_t size);
|
||
|
|
|
||
|
|
#if defined(MSWindows) || defined(AJALinux) || defined(AJAVirtual)
|
||
|
|
|
||
|
|
// interrupt lock functions
|
||
|
|
|
||
|
|
bool ntv2InterruptLockOpen(Ntv2InterruptLock* pInterruptLock, Ntv2SystemContext* pSysCon);
|
||
|
|
void ntv2InterruptLockClose(Ntv2InterruptLock* pInterruptLock);
|
||
|
|
void ntv2InterruptLockAcquire(Ntv2InterruptLock* pInterruptLock);
|
||
|
|
void ntv2InterruptLockRelease(Ntv2InterruptLock* pInterruptLock);
|
||
|
|
|
||
|
|
// dma functions
|
||
|
|
bool ntv2DmaMemoryAlloc(Ntv2DmaMemory* pDmaMemory, Ntv2SystemContext* pSysCon, uint32_t size);
|
||
|
|
void ntv2DmaMemoryFree(Ntv2DmaMemory* pDmaMemory);
|
||
|
|
void* ntv2DmaMemoryVirtual(Ntv2DmaMemory* pDmaMemory);
|
||
|
|
Ntv2DmaAddress ntv2DmaMemoryPhysical(Ntv2DmaMemory* pDmaMemory);
|
||
|
|
uint32_t ntv2DmaMemorySize(Ntv2DmaMemory* pDmaMemory);
|
||
|
|
|
||
|
|
// user buffer functions
|
||
|
|
|
||
|
|
bool ntv2UserBufferPrepare(Ntv2UserBuffer* pUserBuffer, Ntv2SystemContext* pSysCon, uint64_t address, uint32_t size, bool write);
|
||
|
|
void ntv2UserBufferRelease(Ntv2UserBuffer* pUserBuffer);
|
||
|
|
bool ntv2UserBufferCopyTo(Ntv2UserBuffer* pDstBuffer, uint32_t dstOffset, void* pSrcAddress, uint32_t size);
|
||
|
|
bool ntv2UserBufferCopyFrom(Ntv2UserBuffer* pSrcBuffer, uint32_t srcOffset, void* pDstAddress, uint32_t size);
|
||
|
|
|
||
|
|
// dpc task functions
|
||
|
|
|
||
|
|
bool ntv2DpcOpen(Ntv2Dpc* pDpc, Ntv2SystemContext* pSysCon, Ntv2DpcTask* pDpcTask, Ntv2DpcData dpcData);
|
||
|
|
void ntv2DpcClose(Ntv2Dpc* pDpc);
|
||
|
|
void ntv2DpcSchedule(Ntv2Dpc* pDpc);
|
||
|
|
|
||
|
|
// semaphore functions
|
||
|
|
|
||
|
|
bool ntv2SemaphoreOpen(Ntv2Semaphore* pSemaphore, Ntv2SystemContext* pSysCon, uint32_t count);
|
||
|
|
void ntv2SemaphoreClose(Ntv2Semaphore* pSemaphore);
|
||
|
|
bool ntv2SemaphoreDown(Ntv2Semaphore* pSemaphore, int64_t timeout);
|
||
|
|
void ntv2SemaphoreUp(Ntv2Semaphore* pSemaphore);
|
||
|
|
|
||
|
|
// time functions
|
||
|
|
|
||
|
|
int64_t ntv2TimeCounter(void);
|
||
|
|
int64_t ntv2TimeFrequency(void);
|
||
|
|
int64_t ntv2Time100ns(void);
|
||
|
|
#endif // defined(MSWindows) || defined(AJALinux)
|
||
|
|
|
||
|
|
#endif // NTV2SYSTEM_H
|