xref: /linux/drivers/usb/serial/cypress_m8.h (revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2)
1*1da177e4SLinus Torvalds #ifndef CYPRESS_M8_H
2*1da177e4SLinus Torvalds #define CYPRESS_M8_H
3*1da177e4SLinus Torvalds 
4*1da177e4SLinus Torvalds /* definitions and function prototypes used for the cypress USB to Serial controller */
5*1da177e4SLinus Torvalds 
6*1da177e4SLinus Torvalds /* For sending our feature buffer - controlling serial communication states */
7*1da177e4SLinus Torvalds /* Linux HID has no support for serial devices so we do this through the driver */
8*1da177e4SLinus Torvalds #define HID_REQ_GET_REPORT 0x01
9*1da177e4SLinus Torvalds #define HID_REQ_SET_REPORT 0x09
10*1da177e4SLinus Torvalds 
11*1da177e4SLinus Torvalds /* List other cypress USB to Serial devices here, and add them to the id_table */
12*1da177e4SLinus Torvalds 
13*1da177e4SLinus Torvalds /* DeLorme Earthmate USB - a GPS device */
14*1da177e4SLinus Torvalds #define	VENDOR_ID_DELORME		 0x1163
15*1da177e4SLinus Torvalds #define PRODUCT_ID_EARTHMATEUSB		 0x0100
16*1da177e4SLinus Torvalds 
17*1da177e4SLinus Torvalds /* Cypress HID->COM RS232 Adapter */
18*1da177e4SLinus Torvalds #define VENDOR_ID_CYPRESS		 0x04b4
19*1da177e4SLinus Torvalds #define PRODUCT_ID_CYPHIDCOM		 0x5500
20*1da177e4SLinus Torvalds /* End of device listing */
21*1da177e4SLinus Torvalds 
22*1da177e4SLinus Torvalds /* Used for setting / requesting serial line settings */
23*1da177e4SLinus Torvalds #define CYPRESS_SET_CONFIG 0x01
24*1da177e4SLinus Torvalds #define CYPRESS_GET_CONFIG 0x02
25*1da177e4SLinus Torvalds 
26*1da177e4SLinus Torvalds /* Used for throttle control */
27*1da177e4SLinus Torvalds #define THROTTLED 0x1
28*1da177e4SLinus Torvalds #define ACTUALLY_THROTTLED 0x2
29*1da177e4SLinus Torvalds 
30*1da177e4SLinus Torvalds /* chiptypes - used in case firmware differs from the generic form ... offering
31*1da177e4SLinus Torvalds  * 	different baud speeds/etc.
32*1da177e4SLinus Torvalds  */
33*1da177e4SLinus Torvalds 
34*1da177e4SLinus Torvalds #define CT_EARTHMATE	0x01
35*1da177e4SLinus Torvalds #define CT_CYPHIDCOM	0x02
36*1da177e4SLinus Torvalds #define CT_GENERIC	0x0F
37*1da177e4SLinus Torvalds /* End of chiptype definitions */
38*1da177e4SLinus Torvalds 
39*1da177e4SLinus Torvalds /* RS-232 serial data communication protocol definitions */
40*1da177e4SLinus Torvalds /* these are sent / read at byte 0 of the input/output hid reports */
41*1da177e4SLinus Torvalds /* You can find these values defined in the CY4601 USB to Serial design notes */
42*1da177e4SLinus Torvalds 
43*1da177e4SLinus Torvalds #define CONTROL_DTR 	0x20	/* data terminal ready - flow control - host to device */
44*1da177e4SLinus Torvalds #define UART_DSR	0x20	/* data set ready - flow control - device to host */
45*1da177e4SLinus Torvalds #define CONTROL_RTS 	0x10	/* request to send - flow control - host to device */
46*1da177e4SLinus Torvalds #define UART_CTS	0x10	/* clear to send - flow control - device to host */
47*1da177e4SLinus Torvalds #define	UART_RI		0x10	/* ring indicator - modem - device to host */
48*1da177e4SLinus Torvalds #define UART_CD		0x40	/* carrier detect - modem - device to host */
49*1da177e4SLinus Torvalds #define CYP_ERROR 	0x08	/* received from input report - device to host */
50*1da177e4SLinus Torvalds /* Note - the below has nothing to to with the "feature report" reset */
51*1da177e4SLinus Torvalds #define CONTROL_RESET	0x08  	/* sent with output report - host to device */
52*1da177e4SLinus Torvalds 
53*1da177e4SLinus Torvalds /* End of RS-232 protocol definitions */
54*1da177e4SLinus Torvalds 
55*1da177e4SLinus Torvalds #endif /* CYPRESS_M8_H */
56