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Diffstat (limited to 'drivers/usb/serial/cypress_m8.h')
-rw-r--r--drivers/usb/serial/cypress_m8.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h
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index 000000000000..1012ee6b19ce
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+++ b/drivers/usb/serial/cypress_m8.h
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+#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
+
+/* Cypress HID->COM RS232 Adapter */
+#define VENDOR_ID_CYPRESS 0x04b4
+#define PRODUCT_ID_CYPHIDCOM 0x5500
+/* 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_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 - flow control - host to device */
+#define UART_DSR 0x20 /* data set ready - flow control - device to host */
+#define CONTROL_RTS 0x10 /* request to send - flow control - host to device */
+#define UART_CTS 0x10 /* clear to send - flow control - device to host */
+#define UART_RI 0x10 /* ring indicator - modem - device to host */
+#define UART_CD 0x40 /* carrier detect - modem - device to host */
+#define CYP_ERROR 0x08 /* received from input report - device to host */
+/* Note - the below has nothing to to with the "feature report" reset */
+#define CONTROL_RESET 0x08 /* sent with output report - host to device */
+
+/* End of RS-232 protocol definitions */
+
+#endif /* CYPRESS_M8_H */
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