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USB: cypress_m8: clean up protocol definitions 

Clean up protocol definitions.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2014-01-02 22:49:25 +01:00 committed by Greg Kroah-Hartman
parent 440ebadeae
commit 2534be34c9
1 changed files with 15 additions and 12 deletions
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27
drivers/usb/serial/cypress_m8.h
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@ -55,19 +55,22 @@
#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 */
/*
* 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 0x80 /* 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 do with the "feature report" reset */
#define CONTROL_RESET 0x08 /* sent with output report - host to device */
#define CONTROL_DTR 0x20 /* data terminal ready */
#define CONTROL_RTS 0x10 /* request to send */
#define CONTROL_RESET 0x08 /* sent with output report */
#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 */