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authorJohan Hovold <johan@kernel.org>2022-07-25 10:58:36 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-25 11:57:40 +0300
commita0a3202b44a9fdf2a1f6330a0d176aee76c8631d (patch)
treedbac440a2227410edf39b47025526a58b07ebe59 /include/uapi/linux/usb
parentb4023554b1fb49f73a09e5f346a5facbf27d7383 (diff)
downloadlinux-a0a3202b44a9fdf2a1f6330a0d176aee76c8631d.tar.xz
USB: cdc: add serial-state defines
Add defines for the serial-state bitmap values from section 6.3.5 SerialState of the CDC specification version 1.1. Note that the bTxCarrier and bRxCarrier bits have been named after their RS-232 signal equivalents DSR and DCD. Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20220725075841.1187-3-johan@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/linux/usb')
-rw-r--r--include/uapi/linux/usb/cdc.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/cdc.h b/include/uapi/linux/usb/cdc.h
index 372c81425cae..78caa9bdc4ae 100644
--- a/include/uapi/linux/usb/cdc.h
+++ b/include/uapi/linux/usb/cdc.h
@@ -306,6 +306,15 @@ struct usb_cdc_notification {
__le16 wLength;
} __attribute__ ((packed));
+/* UART State Bitmap Values from 6.3.5 SerialState */
+#define USB_CDC_SERIAL_STATE_DCD (1 << 0)
+#define USB_CDC_SERIAL_STATE_DSR (1 << 1)
+#define USB_CDC_SERIAL_STATE_BREAK (1 << 2)
+#define USB_CDC_SERIAL_STATE_RING_SIGNAL (1 << 3)
+#define USB_CDC_SERIAL_STATE_FRAMING (1 << 4)
+#define USB_CDC_SERIAL_STATE_PARITY (1 << 5)
+#define USB_CDC_SERIAL_STATE_OVERRUN (1 << 6)
+
struct usb_cdc_speed_change {
__le32 DLBitRRate; /* contains the downlink bit rate (IN pipe) */
__le32 ULBitRate; /* contains the uplink bit rate (OUT pipe) */