mirror of https://github.com/PCSX2/pcsx2.git
114 lines
2.9 KiB
ArmAsm
114 lines
2.9 KiB
ArmAsm
/*
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_____ ___ ____
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____| | ____| PSX2 OpenSource Project
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| ___| |____ (C)2002, Pedro J. Cabrera (rc5stint@yahoo.com)
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------------------------------------------------------------------------
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iop_usbd.s USB Driver Import functions.
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Figured out from IRX files with symbol tables in Unreal Tournament
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and JamPak demo discs.
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*/
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.text
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.set noreorder
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.local usbd_stub
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usbd_stub: # Module Import Information
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.word 0x41e00000 # Import Tag
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.word 0x00000000 # Minor Version?
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.word 0x00000101 # Major Version?
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.ascii "usbd\0\0\0\0" # Library ID
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.align 2
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/* initialize USBD.IRX
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* Note: UsbInit is automatically called first whenever USBD.IRX is loaded.
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* There should never be a need to reinitialize the driver. In fact, it may
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* not even work. But I'm providing the function hook anyhow. <shrug>
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*/
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.globl UsbInit
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UsbInit:
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j $31
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li $0, 0x00
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/*
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* These two functions are used to register and unregister device drivers for
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* listening for USB bus events. The events are device probe, connect, and disconnect.
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*/
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# register a USB device driver
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.globl UsbRegisterDriver
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UsbRegisterDriver:
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j $31
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li $0, 0x04
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# unregister a USB device driver
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.globl UsbUnregisterDriver
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UsbUnregisterDriver:
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j $31
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li $0, 0x05
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/*
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* This function is used to get the static descriptors for the specific USB
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* device. These descriptors identify the device uniquely and help determine
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* what type of device we are dealing with, and what its capabilities and
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* features are.
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*/
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.globl UsbGetDeviceStaticDescriptor
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UsbGetDeviceStaticDescriptor:
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j $31
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li $0, 0x06
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/*
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* These two functions are used to assign relevant data to a specific device.
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* The type of data is entirely up to the caller. For example, a particular
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* USB device driver may store configuration data for each specific device
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* under its control.
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*/
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# set the private data pointer for a device
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.globl UsbSetDevicePrivateData
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UsbSetDevicePrivateData:
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j $31
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li $0, 0x07
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# get the private data pointer for a device
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.globl UsbGetDevicePrivateData
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UsbGetDevicePrivateData:
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j $31
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li $0, 0x08
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/*
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* This function returns an endpoint ID for the device ID and endpoint descriptor
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* passed in. This endpoint ID is then used when transfering data to the device,
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* and to close the endpoint.
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*/
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.globl UsbOpenEndpoint
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UsbOpenEndpoint:
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j $31
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li $0, 0x09
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# close an endpoint
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.globl UsbCloseEndpoint
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UsbCloseEndpoint:
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j $31
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li $0, 0x0A
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/*
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* This function is used for all types of USB data transfers. Which type of
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* transfer is determined by the parameters that are passed in. The types are:
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* control, isochronous, interrupt, and bulk transfers. More details can be
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* found in usbd.h.
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*/
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.globl UsbTransfer
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UsbTransfer:
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j $31
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li $0, 0x0B
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.globl UsbOpenBulkEndpoint
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UsbOpenBulkEndpoint:
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j $31
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li $0, 0x0C
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.word 0
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.word 0
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