root/drivers/usb/serial/cypress_m8.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CYPRESS_M8_H
#define CYPRESS_M8_H

/*
 * definitions and function prototypes used for the cypress USB to Serial
 * controller
 */

/*
 * For sending our feature buffer - controlling serial communication states.
 * Linux HID has no support for serial devices so we do this through the driver
 */
#define HID_REQ_GET_REPORT      0x01
#define HID_REQ_SET_REPORT      0x09

/* List other cypress USB to Serial devices here, and add them to the id_table */

/* DeLorme Earthmate USB - a GPS device */
#define VENDOR_ID_DELORME               0x1163
#define PRODUCT_ID_EARTHMATEUSB         0x0100
#define PRODUCT_ID_EARTHMATEUSB_LT20    0x0200

/* Cypress HID->COM RS232 Adapter */
#define VENDOR_ID_CYPRESS               0x04b4
#define PRODUCT_ID_CYPHIDCOM            0x5500

/* Simply Automated HID->COM UPB PIM (using Cypress PID 0x5500) */
#define VENDOR_ID_SAI                   0x17dd

/* FRWD Dongle - a GPS sports watch */
#define VENDOR_ID_FRWD                  0x6737
#define PRODUCT_ID_CYPHIDCOM_FRWD       0x0001

/* Powercom UPS, chip CY7C63723 */
#define VENDOR_ID_POWERCOM              0x0d9f
#define PRODUCT_ID_UPS                  0x0002

/* Nokia CA-42 USB to serial cable */
#define VENDOR_ID_DAZZLE                0x07d0
#define PRODUCT_ID_CA42                 0x4101
/* End of device listing */

/* Used for setting / requesting serial line settings */
#define CYPRESS_SET_CONFIG      0x01
#define CYPRESS_GET_CONFIG      0x02

/* Used for throttle control */
#define THROTTLED               0x1
#define ACTUALLY_THROTTLED      0x2

/*
 * chiptypes - used in case firmware differs from the generic form ... offering
 * different baud speeds/etc.
 */
#define CT_EARTHMATE    0x01
#define CT_CYPHIDCOM    0x02
#define CT_CA42V2       0x03
#define CT_GENERIC      0x0F
/* End of chiptype definitions */

/*
 * RS-232 serial data communication protocol definitions.
 *
 * These are sent / read at byte 0 of the input/output hid reports.
 * You can find these values defined in the CY4601 USB to Serial design notes.
 */

#define CONTROL_DTR     0x20    /* data terminal ready */
#define CONTROL_RTS     0x10    /* request to send */
#define CONTROL_RESET   0x08    /* sent with output report */

#define UART_MSR_MASK   0xf0
#define UART_RI         0x80    /* ring indicator */
#define UART_CD         0x40    /* carrier detect */
#define UART_DSR        0x20    /* data set ready */
#define UART_CTS        0x10    /* clear to send */
#define CYP_ERROR       0x08    /* received from input report */

/* End of RS-232 protocol definitions */

#endif /* CYPRESS_M8_H */