xref: /linux/drivers/usb/serial/cypress_m8.h (revision 294cbd05e32990c3b1a62be27441fc719edebbab)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef CYPRESS_M8_H
3 #define CYPRESS_M8_H
4 
5 /*
6  * definitions and function prototypes used for the cypress USB to Serial
7  * controller
8  */
9 
10 /*
11  * For sending our feature buffer - controlling serial communication states.
12  * Linux HID has no support for serial devices so we do this through the driver
13  */
14 #define HID_REQ_GET_REPORT	0x01
15 #define HID_REQ_SET_REPORT	0x09
16 
17 /* List other cypress USB to Serial devices here, and add them to the id_table */
18 
19 /* DeLorme Earthmate USB - a GPS device */
20 #define VENDOR_ID_DELORME		0x1163
21 #define PRODUCT_ID_EARTHMATEUSB		0x0100
22 #define PRODUCT_ID_EARTHMATEUSB_LT20	0x0200
23 
24 /* Cypress HID->COM RS232 Adapter */
25 #define VENDOR_ID_CYPRESS		0x04b4
26 #define PRODUCT_ID_CYPHIDCOM		0x5500
27 
28 /* FRWD Dongle - a GPS sports watch */
29 #define VENDOR_ID_FRWD			0x6737
30 #define PRODUCT_ID_CYPHIDCOM_FRWD	0x0001
31 
32 /* Powercom UPS, chip CY7C63723 */
33 #define VENDOR_ID_POWERCOM		0x0d9f
34 #define PRODUCT_ID_UPS			0x0002
35 
36 /* Nokia CA-42 USB to serial cable */
37 #define VENDOR_ID_DAZZLE		0x07d0
38 #define PRODUCT_ID_CA42			0x4101
39 /* End of device listing */
40 
41 /* Used for setting / requesting serial line settings */
42 #define CYPRESS_SET_CONFIG	0x01
43 #define CYPRESS_GET_CONFIG	0x02
44 
45 /* Used for throttle control */
46 #define THROTTLED		0x1
47 #define ACTUALLY_THROTTLED	0x2
48 
49 /*
50  * chiptypes - used in case firmware differs from the generic form ... offering
51  * different baud speeds/etc.
52  */
53 #define CT_EARTHMATE	0x01
54 #define CT_CYPHIDCOM	0x02
55 #define CT_CA42V2	0x03
56 #define CT_GENERIC	0x0F
57 /* End of chiptype definitions */
58 
59 /*
60  * RS-232 serial data communication protocol definitions.
61  *
62  * These are sent / read at byte 0 of the input/output hid reports.
63  * You can find these values defined in the CY4601 USB to Serial design notes.
64  */
65 
66 #define CONTROL_DTR	0x20	/* data terminal ready */
67 #define CONTROL_RTS	0x10	/* request to send */
68 #define CONTROL_RESET	0x08	/* sent with output report */
69 
70 #define UART_MSR_MASK	0xf0
71 #define UART_RI		0x80	/* ring indicator */
72 #define UART_CD		0x40	/* carrier detect */
73 #define UART_DSR	0x20	/* data set ready */
74 #define UART_CTS	0x10	/* clear to send */
75 #define CYP_ERROR	0x08	/* received from input report */
76 
77 /* End of RS-232 protocol definitions */
78 
79 #endif /* CYPRESS_M8_H */
80