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ecefae6db0
While there are a mix of things here, most of the stuff were written from Kernel developer's PoV. So, add them to the driver-api book. A follow up for this patch would be to move documents from there that are specific to sysadmins, adding them to the admin-guide. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Johan Hovold <johan@kernel.org> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
121 lines
4.8 KiB
C
121 lines
4.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Definitions for Belkin USB Serial Adapter Driver
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*
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* Copyright (C) 2000
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* William Greathouse (wgreathouse@smva.com)
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*
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* This program is largely derived from work by the linux-usb group
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* and associated source files. Please see the usb/serial files for
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* individual credits and copyrights.
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*
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* See Documentation/usb/usb-serial.rst for more information on using this
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* driver
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*
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* 12-Mar-2001 gkh
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* Added GoHubs GO-COM232 device id.
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*
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* 06-Nov-2000 gkh
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* Added old Belkin and Peracom device ids, which this driver supports
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*
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* 12-Oct-2000 William Greathouse
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* First cut at supporting Belkin USB Serial Adapter F5U103
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* I did not have a copy of the original work to support this
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* adapter, so pardon any stupid mistakes. All of the information
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* I am using to write this driver was acquired by using a modified
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* UsbSnoop on Windows2000.
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*
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*/
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#ifndef __LINUX_USB_SERIAL_BSA_H
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#define __LINUX_USB_SERIAL_BSA_H
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#define BELKIN_DOCKSTATION_VID 0x050d /* Vendor Id */
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#define BELKIN_DOCKSTATION_PID 0x1203 /* Product Id */
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#define BELKIN_SA_VID 0x050d /* Vendor Id */
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#define BELKIN_SA_PID 0x0103 /* Product Id */
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#define BELKIN_OLD_VID 0x056c /* Belkin's "old" vendor id */
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#define BELKIN_OLD_PID 0x8007 /* Belkin's "old" single port serial converter's id */
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#define PERACOM_VID 0x0565 /* Peracom's vendor id */
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#define PERACOM_PID 0x0001 /* Peracom's single port serial converter's id */
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#define GOHUBS_VID 0x0921 /* GoHubs vendor id */
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#define GOHUBS_PID 0x1000 /* GoHubs single port serial converter's id (identical to the Peracom device) */
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#define HANDYLINK_PID 0x1200 /* HandyLink USB's id (identical to the Peracom device) */
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/* Vendor Request Interface */
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#define BELKIN_SA_SET_BAUDRATE_REQUEST 0 /* Set baud rate */
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#define BELKIN_SA_SET_STOP_BITS_REQUEST 1 /* Set stop bits (1,2) */
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#define BELKIN_SA_SET_DATA_BITS_REQUEST 2 /* Set data bits (5,6,7,8) */
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#define BELKIN_SA_SET_PARITY_REQUEST 3 /* Set parity (None, Even, Odd) */
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#define BELKIN_SA_SET_DTR_REQUEST 10 /* Set DTR state */
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#define BELKIN_SA_SET_RTS_REQUEST 11 /* Set RTS state */
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#define BELKIN_SA_SET_BREAK_REQUEST 12 /* Set BREAK state */
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#define BELKIN_SA_SET_FLOW_CTRL_REQUEST 16 /* Set flow control mode */
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#ifdef WHEN_I_LEARN_THIS
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#define BELKIN_SA_SET_MAGIC_REQUEST 17 /* I don't know, possibly flush */
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/* (always in Wininit sequence before flow control) */
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#define BELKIN_SA_RESET xx /* Reset the port */
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#define BELKIN_SA_GET_MODEM_STATUS xx /* Force return of modem status register */
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#endif
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#define BELKIN_SA_SET_REQUEST_TYPE 0x40
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#define BELKIN_SA_BAUD(b) (230400/b)
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#define BELKIN_SA_STOP_BITS(b) (b-1)
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#define BELKIN_SA_DATA_BITS(b) (b-5)
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#define BELKIN_SA_PARITY_NONE 0
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#define BELKIN_SA_PARITY_EVEN 1
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#define BELKIN_SA_PARITY_ODD 2
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#define BELKIN_SA_PARITY_MARK 3
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#define BELKIN_SA_PARITY_SPACE 4
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#define BELKIN_SA_FLOW_NONE 0x0000 /* No flow control */
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#define BELKIN_SA_FLOW_OCTS 0x0001 /* use CTS input to throttle output */
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#define BELKIN_SA_FLOW_ODSR 0x0002 /* use DSR input to throttle output */
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#define BELKIN_SA_FLOW_IDSR 0x0004 /* use DSR input to enable receive */
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#define BELKIN_SA_FLOW_IDTR 0x0008 /* use DTR output for input flow control */
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#define BELKIN_SA_FLOW_IRTS 0x0010 /* use RTS output for input flow control */
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#define BELKIN_SA_FLOW_ORTS 0x0020 /* use RTS to indicate data available to send */
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#define BELKIN_SA_FLOW_ERRSUB 0x0040 /* ???? guess ???? substitute inline errors */
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#define BELKIN_SA_FLOW_OXON 0x0080 /* use XON/XOFF for output flow control */
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#define BELKIN_SA_FLOW_IXON 0x0100 /* use XON/XOFF for input flow control */
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/*
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* It seems that the interrupt pipe is closely modelled after the
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* 16550 register layout. This is probably because the adapter can
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* be used in a "DOS" environment to simulate a standard hardware port.
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*/
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#define BELKIN_SA_LSR_INDEX 2 /* Line Status Register */
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#define BELKIN_SA_LSR_RDR 0x01 /* receive data ready */
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#define BELKIN_SA_LSR_OE 0x02 /* overrun error */
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#define BELKIN_SA_LSR_PE 0x04 /* parity error */
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#define BELKIN_SA_LSR_FE 0x08 /* framing error */
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#define BELKIN_SA_LSR_BI 0x10 /* break indicator */
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#define BELKIN_SA_LSR_THE 0x20 /* tx holding register empty */
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#define BELKIN_SA_LSR_TE 0x40 /* transmit register empty */
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#define BELKIN_SA_LSR_ERR 0x80 /* OE | PE | FE | BI */
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#define BELKIN_SA_MSR_INDEX 3 /* Modem Status Register */
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#define BELKIN_SA_MSR_DCTS 0x01 /* Delta CTS */
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#define BELKIN_SA_MSR_DDSR 0x02 /* Delta DSR */
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#define BELKIN_SA_MSR_DRI 0x04 /* Delta RI */
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#define BELKIN_SA_MSR_DCD 0x08 /* Delta CD */
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#define BELKIN_SA_MSR_CTS 0x10 /* Current CTS */
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#define BELKIN_SA_MSR_DSR 0x20 /* Current DSR */
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#define BELKIN_SA_MSR_RI 0x40 /* Current RI */
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#define BELKIN_SA_MSR_CD 0x80 /* Current CD */
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#endif /* __LINUX_USB_SERIAL_BSA_H */
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