forked from KolibriOS/kolibrios
324 lines
9.2 KiB
NASM
324 lines
9.2 KiB
NASM
; standard driver stuff
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format MS COFF
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DEBUG = 1
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; this is for DEBUGF macro from 'fdo.inc'
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__DEBUG__ = 1
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__DEBUG_LEVEL__ = 1
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include '../proc32.inc'
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include '../imports.inc'
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include '../fdo.inc'
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include '../struct.inc'
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public START
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public version
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; USB constants
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DEVICE_DESCR_TYPE = 1
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CONFIG_DESCR_TYPE = 2
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STRING_DESCR_TYPE = 3
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INTERFACE_DESCR_TYPE = 4
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ENDPOINT_DESCR_TYPE = 5
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DEVICE_QUALIFIER_DESCR_TYPE = 6
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CONTROL_PIPE = 0
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ISOCHRONOUS_PIPE = 1
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BULK_PIPE = 2
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INTERRUPT_PIPE = 3
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; USB HID constants
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HID_DESCR_TYPE = 21h
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REPORT_DESCR_TYPE = 22h
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PHYSICAL_DESCR_TYPE = 23h
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; LibUSB constatnts
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LIBUSB_REQUEST_TYPE_STANDARD = (0x00 shl 5)
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LIBUSB_REQUEST_TYPE_CLASS = (0x01 shl 5)
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LIBUSB_REQUEST_TYPE_VENDOR = (0x02 shl 5)
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LIBUSB_REQUEST_TYPE_RESERVED = (0x03 shl 5)
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LIBUSB_RECIPIENT_DEVICE = 0x00
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LIBUSB_RECIPIENT_INTERFACE = 0x01
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LIBUSB_RECIPIENT_ENDPOINT = 0x02
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LIBUSB_RECIPIENT_OTHER = 0x03
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LIBUSB_ENDPOINT_IN = 0x80
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LIBUSB_ENDPOINT_OUT = 0x00
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; FTDI Constants
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FTDI_DEVICE_OUT_REQTYPE = (LIBUSB_REQUEST_TYPE_VENDOR or LIBUSB_RECIPIENT_DEVICE or LIBUSB_ENDPOINT_OUT)
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FTDI_DEVICE_IN_REQTYPE = (LIBUSB_REQUEST_TYPE_VENDOR or LIBUSB_RECIPIENT_DEVICE or LIBUSB_ENDPOINT_IN)
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; Requests
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;Definitions for flow control
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SIO_RESET =0 ;Reset the port
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SIO_MODEM_CTRL =1 ;Set the modem control register
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SIO_SET_FLOW_CTRL =2 ;Set flow control register
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SIO_SET_BAUD_RATE =3 ;Set baud rate
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SIO_SET_DATA =4 ;Set the data characteristics of the port
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SIO_RESET_REQUEST =SIO_RESET
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SIO_SET_BAUDRATE_REQUEST =SIO_SET_BAUD_RATE
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SIO_SET_DATA_REQUEST =SIO_SET_DATA
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SIO_SET_FLOW_CTRL_REQUEST =SIO_SET_FLOW_CTRL
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SIO_SET_MODEM_CTRL_REQUEST =SIO_MODEM_CTRL
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SIO_POLL_MODEM_STATUS_REQUEST=0x05
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SIO_SET_EVENT_CHAR_REQUEST =0x06
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SIO_SET_ERROR_CHAR_REQUEST =0x07
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SIO_SET_LATENCY_TIMER_REQUEST=0x09
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SIO_GET_LATENCY_TIMER_REQUEST=0x0A
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SIO_SET_BITMODE_REQUEST =0x0B
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SIO_READ_PINS_REQUEST =0x0C
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SIO_READ_EEPROM_REQUEST =0x90
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SIO_WRITE_EEPROM_REQUEST =0x91
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SIO_ERASE_EEPROM_REQUEST =0x92
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SIO_RESET_SIO=0
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SIO_RESET_PURGE_RX=1
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SIO_RESET_PURGE_TX=2
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SIO_DISABLE_FLOW_CTRL=0x0
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SIO_RTS_CTS_HS =(0x1 shl 8)
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SIO_DTR_DSR_HS =(0x2 shl 8)
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SIO_XON_XOFF_HS=(0x4 shl 8)
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SIO_SET_DTR_MASK=0x1
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SIO_SET_DTR_HIGH=( 1 or ( SIO_SET_DTR_MASK shl 8))
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SIO_SET_DTR_LOW =( 0 or ( SIO_SET_DTR_MASK shl 8))
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SIO_SET_RTS_MASK=0x2
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SIO_SET_RTS_HIGH=( 2 or ( SIO_SET_RTS_MASK shl 8 ))
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SIO_SET_RTS_LOW =( 0 or ( SIO_SET_RTS_MASK shl 8 ))
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SIO_RTS_CTS_HS =(0x1 shl 8)
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;strings
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my_driver db 'usbother',0
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nomemory_msg db 'K : no memory',13,10,0
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; Structures
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struct ftdi_context
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chipType db ?
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baudrate dd ?
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bitbangEnabled db ?
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readBufPtr dd ?
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readBufOffs dd ?
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readBufChunkSize dd ?
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writeBufChunkSize dd ?
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interface dd ?
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index dd ?
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inEP dd ?
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outEP dd ?
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nullP dd ?
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next_context dd ?
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ends
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struct IOCTL
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handle dd ?
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io_code dd ?
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input dd ?
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inp_size dd ?
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output dd ?
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out_size dd ?
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ends
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struct usb_descr
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bLength db ?
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bDescriptorType db ?
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bcdUSB dw ?
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bDeviceClass db ?
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bDeviceSubClass db ?
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bDeviceProtocol db ?
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bMaxPacketSize0 db ?
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idVendor dw ?
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idProduct dw ?
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bcdDevice dw ?
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iManufacturer db ?
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iProduct db ?
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iSerialNumber db ?
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bNumConfigurations db ?
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ends
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struct conf_packet
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bmRequestType db ?
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bRequest db ?
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wValue dw ?
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wIndex dw ?
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wLength dw ?
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ends
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section '.flat' code readable align 16
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; The start procedure.
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proc START stdcall, .reason:DWORD
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xor eax, eax ; initialize return value
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cmp [.reason], 1 ; compare the argument
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jnz .nothing
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stdcall RegUSBDriver, my_driver, service_proc, usb_functions
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.nothing:
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ret
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endp
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proc AddDevice stdcall uses ebx, .config_pipe:DWORD, .config_descr:DWORD, .interface:DWORD
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stdcall USBGetParam, [.config_pipe], 0
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DEBUGF 1,'K : Device detected Vendor: %x\n', [eax+usb_descr.idVendor]
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cmp word[eax+usb_descr.idVendor], 0x0403
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jnz .notftdi
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DEBUGF 1,'K : FTDI USB device detected\n'
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movi eax, sizeof.ftdi_context
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call Kmalloc
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test eax, eax
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jnz @f
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mov esi, nomemory_msg
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call SysMsgBoardStr
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xor eax, eax
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jmp .nothing
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@@:
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DEBUGF 1,'K : Adding struct to list %x\n', eax
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call linkedlist.add
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mov ebx, [.config_pipe]
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mov [eax + ftdi_context.nullP], ebx
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DEBUGF 1,'K : Open first pipe\n'
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mov ebx, eax
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stdcall USBOpenPipe, [.config_pipe], 0x81, 0x40, BULK_PIPE, 0
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mov [ebx + ftdi_context.inEP], eax
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DEBUGF 1,'K : Open second pipe\n'
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stdcall USBOpenPipe, [.config_pipe], 0x02, 0x40, BULK_PIPE, 0
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mov [ebx + ftdi_context.outEP], eax
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.nothing:
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ret
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.notftdi:
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DEBUGF 1,'K : Skipping not FTDI device\n'
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xor eax, eax
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ret
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endp
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handle equ IOCTL.handle
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io_code equ IOCTL.io_code
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input equ IOCTL.input
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inp_size equ IOCTL.inp_size
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output equ IOCTL.output
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out_size equ IOCTL.out_size
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align 4
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proc service_proc stdcall uses ebx esi edi, ioctl:DWORD
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locals
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ConfPacket rb 8
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EventData rd 2
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endl
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mov edi, [ioctl]
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mov eax, [edi + io_code]
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DEBUGF 1,'K : FTDI got the request: %d\n', eax
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test eax, eax ;0
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jz .version
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dec eax ;1
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jz .ftdi_get_list
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dec eax ;2
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jz .ftdi_set_bitmode
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.version:
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.endswitch:
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xor eax, eax
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ret
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.ftdi_set_bitmode:
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DEBUGF 1,'K : FTDI Seting bitmode\n'
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xor ecx, ecx
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xor esi, esi
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call CreateEvent
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mov edi, [ioctl]
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DEBUGF 1,'K : Event created %x %x\n' , eax, edx
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mov [EventData], eax
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mov [EventData+4], edx
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mov dword[ConfPacket], (FTDI_DEVICE_IN_REQTYPE) + (SIO_SET_BITMODE_REQUEST shl 8) + (0x0000 shl 16)
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mov edi, [edi+input]
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mov dx, word[edi+4]
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mov word[ConfPacket+4], dx
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DEBUGF 1,'K : ConfPacket %x %x\n', [ConfPacket], [ConfPacket+4]
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mov ebx, [edi]
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lea esi, [ConfPacket]
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lea edi, [EventData]
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stdcall USBControlTransferAsync, [ebx + ftdi_context.nullP], esi, 0, 0, control_callback, edi, 0
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DEBUGF 1, 'K : Returned value is %d\n', eax
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mov eax, [EventData]
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mov ebx, [EventData+4]
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call WaitEvent
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jmp .endswitch
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.ftdi_read_pins:
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DEBUGF 1,'K : FTDI Reading pins\n'
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call CreateEvent
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mov [EventData], eax
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mov [EventData+4], edx
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mov eax, FTDI_DEVICE_IN_REQTYPE + (SIO_READ_PINS_REQUEST shl 8)
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mov dword[ConfPacket], eax
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jmp .endswitch
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.ftdi_get_list:
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call linkedlist.gethead
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mov edi, [edi+output]
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mov [edi], eax
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DEBUGF 1, 'K : FTDI Device pointer %x\n', [edi]
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mov eax, 4
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mov [edi+out_size], eax
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jmp .endswitch
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endp
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restore handle
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restore io_code
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restore input
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restore inp_size
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restore output
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restore out_size
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align 4
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proc control_callback stdcall uses ebx, .pipe:DWORD, .status:DWORD, .buffer:DWORD, .length:DWORD, .calldata:DWORD
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mov eax, [.calldata]
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mov ebx, [.calldata+4]
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DEBUGF 1,'K : EventData %x %x', [.calldata], [.calldata+4]
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xor edx, edx
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call RaiseEvent
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DEBUGF 1, 'K : status is %d\n', [.status+24h]
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ret
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endp
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proc DeviceDisconnected stdcall uses ebx esi edi, .device_data:DWORD
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DEBUGF 1, 'K : FTDI deleting device data\n'
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mov eax, [.device_data]
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call linkedlist.delete
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ret
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endp
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include 'linkedlist.inc'
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; Exported variable: kernel API version.
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align 4
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version dd 50005h
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; Structure with callback functions.
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usb_functions:
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dd 12
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dd AddDevice
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dd DeviceDisconnected
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;for DEBUGF macro
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include_debug_strings
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; for uninitialized data
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;section '.data' data readable writable align 16
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