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path: root/drivers/usb/usb_ohci.h
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Diffstat (limited to 'drivers/usb/usb_ohci.h')
-rw-r--r--drivers/usb/usb_ohci.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/usb/usb_ohci.h b/drivers/usb/usb_ohci.h
index 7a04bf5..50aaafd 100644
--- a/drivers/usb/usb_ohci.h
+++ b/drivers/usb/usb_ohci.h
@@ -38,6 +38,41 @@ static int cc_to_error[16] = {
/* Not Access */ -1
};
+static const char *cc_to_string[16] = {
+ "No Error",
+ "CRC: Last data packet from endpoint contained a CRC error.",
+ "BITSTUFFING: Last data packet from endpoint contained a bit " \
+ "stuffing violation",
+ "DATATOGGLEMISMATCH: Last packet from endpoint had data toggle PID\n" \
+ "that did not match the expected value.",
+ "STALL: TD was moved to the Done Queue because the endpoint returned" \
+ " a STALL PID",
+ "DEVICENOTRESPONDING: Device did not respond to token (IN) or did\n" \
+ "not provide a handshake (OUT)",
+ "PIDCHECKFAILURE: Check bits on PID from endpoint failed on data PID\n"\
+ "(IN) or handshake (OUT)",
+ "UNEXPECTEDPID: Receive PID was not valid when encountered or PID\n" \
+ "value is not defined.",
+ "DATAOVERRUN: The amount of data returned by the endpoint exceeded\n" \
+ "either the size of the maximum data packet allowed\n" \
+ "from the endpoint (found in MaximumPacketSize field\n" \
+ "of ED) or the remaining buffer size.",
+ "DATAUNDERRUN: The endpoint returned less than MaximumPacketSize\n" \
+ "and that amount was not sufficient to fill the\n" \
+ "specified buffer",
+ "reserved1",
+ "reserved2",
+ "BUFFEROVERRUN: During an IN, HC received data from endpoint faster\n" \
+ "than it could be written to system memory",
+ "BUFFERUNDERRUN: During an OUT, HC could not retrieve data from\n" \
+ "system memory fast enough to keep up with data USB " \
+ "data rate.",
+ "NOT ACCESSED: This code is set by software before the TD is placed" \
+ "on a list to be processed by the HC.(1)",
+ "NOT ACCESSED: This code is set by software before the TD is placed" \
+ "on a list to be processed by the HC.(2)",
+};
+
/* ED States */
#define ED_NEW 0x00