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