xref: /openbmc/linux/drivers/usb/serial/cypress_m8.h (revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2)
1 #ifndef CYPRESS_M8_H
2 #define CYPRESS_M8_H
3 
4 /* definitions and function prototypes used for the cypress USB to Serial controller */
5 
6 /* For sending our feature buffer - controlling serial communication states */
7 /* Linux HID has no support for serial devices so we do this through the driver */
8 #define HID_REQ_GET_REPORT 0x01
9 #define HID_REQ_SET_REPORT 0x09
10 
11 /* List other cypress USB to Serial devices here, and add them to the id_table */
12 
13 /* DeLorme Earthmate USB - a GPS device */
14 #define	VENDOR_ID_DELORME		 0x1163
15 #define PRODUCT_ID_EARTHMATEUSB		 0x0100
16 
17 /* Cypress HID->COM RS232 Adapter */
18 #define VENDOR_ID_CYPRESS		 0x04b4
19 #define PRODUCT_ID_CYPHIDCOM		 0x5500
20 /* End of device listing */
21 
22 /* Used for setting / requesting serial line settings */
23 #define CYPRESS_SET_CONFIG 0x01
24 #define CYPRESS_GET_CONFIG 0x02
25 
26 /* Used for throttle control */
27 #define THROTTLED 0x1
28 #define ACTUALLY_THROTTLED 0x2
29 
30 /* chiptypes - used in case firmware differs from the generic form ... offering
31  * 	different baud speeds/etc.
32  */
33 
34 #define CT_EARTHMATE	0x01
35 #define CT_CYPHIDCOM	0x02
36 #define CT_GENERIC	0x0F
37 /* End of chiptype definitions */
38 
39 /* RS-232 serial data communication protocol definitions */
40 /* these are sent / read at byte 0 of the input/output hid reports */
41 /* You can find these values defined in the CY4601 USB to Serial design notes */
42 
43 #define CONTROL_DTR 	0x20	/* data terminal ready - flow control - host to device */
44 #define UART_DSR	0x20	/* data set ready - flow control - device to host */
45 #define CONTROL_RTS 	0x10	/* request to send - flow control - host to device */
46 #define UART_CTS	0x10	/* clear to send - flow control - device to host */
47 #define	UART_RI		0x10	/* ring indicator - modem - device to host */
48 #define UART_CD		0x40	/* carrier detect - modem - device to host */
49 #define CYP_ERROR 	0x08	/* received from input report - device to host */
50 /* Note - the below has nothing to to with the "feature report" reset */
51 #define CONTROL_RESET	0x08  	/* sent with output report - host to device */
52 
53 /* End of RS-232 protocol definitions */
54 
55 #endif /* CYPRESS_M8_H */
56