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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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696fe69d7e
There was a typo when generating endpoint name which would be very confusing when debugging. Fix it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
325 lines
7.9 KiB
C
325 lines
7.9 KiB
C
/**
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* debug.h - DesignWare USB3 DRD Controller Debug Header
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*
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* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
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*
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* Authors: Felipe Balbi <balbi@ti.com>,
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* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 of
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* the License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __DWC3_DEBUG_H
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#define __DWC3_DEBUG_H
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#include "core.h"
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/**
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* dwc3_gadget_ep_cmd_string - returns endpoint command string
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* @cmd: command code
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*/
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static inline const char *
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dwc3_gadget_ep_cmd_string(u8 cmd)
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{
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switch (cmd) {
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case DWC3_DEPCMD_DEPSTARTCFG:
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return "Start New Configuration";
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case DWC3_DEPCMD_ENDTRANSFER:
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return "End Transfer";
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case DWC3_DEPCMD_UPDATETRANSFER:
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return "Update Transfer";
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case DWC3_DEPCMD_STARTTRANSFER:
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return "Start Transfer";
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case DWC3_DEPCMD_CLEARSTALL:
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return "Clear Stall";
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case DWC3_DEPCMD_SETSTALL:
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return "Set Stall";
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case DWC3_DEPCMD_GETEPSTATE:
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return "Get Endpoint State";
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case DWC3_DEPCMD_SETTRANSFRESOURCE:
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return "Set Endpoint Transfer Resource";
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case DWC3_DEPCMD_SETEPCONFIG:
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return "Set Endpoint Configuration";
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default:
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return "UNKNOWN command";
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}
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}
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/**
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* dwc3_gadget_generic_cmd_string - returns generic command string
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* @cmd: command code
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*/
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static inline const char *
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dwc3_gadget_generic_cmd_string(u8 cmd)
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{
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switch (cmd) {
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case DWC3_DGCMD_SET_LMP:
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return "Set LMP";
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case DWC3_DGCMD_SET_PERIODIC_PAR:
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return "Set Periodic Parameters";
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case DWC3_DGCMD_XMIT_FUNCTION:
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return "Transmit Function Wake Device Notification";
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case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO:
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return "Set Scratchpad Buffer Array Address Lo";
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case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI:
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return "Set Scratchpad Buffer Array Address Hi";
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case DWC3_DGCMD_SELECTED_FIFO_FLUSH:
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return "Selected FIFO Flush";
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case DWC3_DGCMD_ALL_FIFO_FLUSH:
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return "All FIFO Flush";
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case DWC3_DGCMD_SET_ENDPOINT_NRDY:
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return "Set Endpoint NRDY";
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case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK:
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return "Run SoC Bus Loopback Test";
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default:
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return "UNKNOWN";
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}
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}
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/**
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* dwc3_gadget_link_string - returns link name
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* @link_state: link state code
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*/
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static inline const char *
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dwc3_gadget_link_string(enum dwc3_link_state link_state)
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{
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switch (link_state) {
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case DWC3_LINK_STATE_U0:
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return "U0";
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case DWC3_LINK_STATE_U1:
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return "U1";
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case DWC3_LINK_STATE_U2:
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return "U2";
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case DWC3_LINK_STATE_U3:
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return "U3";
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case DWC3_LINK_STATE_SS_DIS:
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return "SS.Disabled";
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case DWC3_LINK_STATE_RX_DET:
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return "RX.Detect";
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case DWC3_LINK_STATE_SS_INACT:
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return "SS.Inactive";
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case DWC3_LINK_STATE_POLL:
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return "Polling";
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case DWC3_LINK_STATE_RECOV:
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return "Recovery";
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case DWC3_LINK_STATE_HRESET:
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return "Hot Reset";
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case DWC3_LINK_STATE_CMPLY:
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return "Compliance";
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case DWC3_LINK_STATE_LPBK:
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return "Loopback";
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case DWC3_LINK_STATE_RESET:
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return "Reset";
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case DWC3_LINK_STATE_RESUME:
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return "Resume";
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default:
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return "UNKNOWN link state\n";
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}
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}
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/**
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* dwc3_gadget_event_string - returns event name
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* @event: the event code
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*/
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static inline const char *
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dwc3_gadget_event_string(const struct dwc3_event_devt *event)
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{
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static char str[256];
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enum dwc3_link_state state = event->event_info & DWC3_LINK_STATE_MASK;
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switch (event->type) {
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case DWC3_DEVICE_EVENT_DISCONNECT:
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sprintf(str, "Disconnect: [%s]",
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dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_RESET:
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sprintf(str, "Reset [%s]", dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_CONNECT_DONE:
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sprintf(str, "Connection Done [%s]",
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dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
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sprintf(str, "Link Change [%s]",
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dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_WAKEUP:
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sprintf(str, "WakeUp [%s]", dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_EOPF:
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sprintf(str, "End-Of-Frame [%s]",
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dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_SOF:
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sprintf(str, "Start-Of-Frame [%s]",
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dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
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sprintf(str, "Erratic Error [%s]",
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dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_CMD_CMPL:
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sprintf(str, "Command Complete [%s]",
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dwc3_gadget_link_string(state));
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break;
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case DWC3_DEVICE_EVENT_OVERFLOW:
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sprintf(str, "Overflow [%s]", dwc3_gadget_link_string(state));
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break;
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default:
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sprintf(str, "UNKNOWN");
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}
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return str;
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}
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/**
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* dwc3_ep_event_string - returns event name
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* @event: then event code
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*/
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static inline const char *
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dwc3_ep_event_string(const struct dwc3_event_depevt *event)
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{
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u8 epnum = event->endpoint_number;
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static char str[256];
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int status;
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int ret;
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ret = sprintf(str, "ep%d%s: ", epnum >> 1,
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(epnum & 1) ? "in" : "out");
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if (ret < 0)
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return "UNKNOWN";
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switch (event->endpoint_event) {
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case DWC3_DEPEVT_XFERCOMPLETE:
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strcat(str, "Transfer Complete");
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break;
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case DWC3_DEPEVT_XFERINPROGRESS:
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strcat(str, "Transfer In-Progress");
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break;
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case DWC3_DEPEVT_XFERNOTREADY:
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strcat(str, "Transfer Not Ready");
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status = event->status & DEPEVT_STATUS_TRANSFER_ACTIVE;
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strcat(str, status ? " (Active)" : " (Not Active)");
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break;
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case DWC3_DEPEVT_RXTXFIFOEVT:
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strcat(str, "FIFO");
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break;
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case DWC3_DEPEVT_STREAMEVT:
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status = event->status;
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switch (status) {
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case DEPEVT_STREAMEVT_FOUND:
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sprintf(str + ret, " Stream %d Found",
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event->parameters);
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break;
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case DEPEVT_STREAMEVT_NOTFOUND:
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default:
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strcat(str, " Stream Not Found");
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break;
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}
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break;
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case DWC3_DEPEVT_EPCMDCMPLT:
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strcat(str, "Endpoint Command Complete");
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break;
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default:
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sprintf(str, "UNKNOWN");
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}
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return str;
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}
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/**
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* dwc3_gadget_event_type_string - return event name
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* @event: the event code
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*/
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static inline const char *dwc3_gadget_event_type_string(u8 event)
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{
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switch (event) {
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case DWC3_DEVICE_EVENT_DISCONNECT:
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return "Disconnect";
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case DWC3_DEVICE_EVENT_RESET:
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return "Reset";
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case DWC3_DEVICE_EVENT_CONNECT_DONE:
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return "Connect Done";
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case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
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return "Link Status Change";
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case DWC3_DEVICE_EVENT_WAKEUP:
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return "Wake-Up";
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case DWC3_DEVICE_EVENT_HIBER_REQ:
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return "Hibernation";
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case DWC3_DEVICE_EVENT_EOPF:
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return "End of Periodic Frame";
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case DWC3_DEVICE_EVENT_SOF:
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return "Start of Frame";
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case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
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return "Erratic Error";
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case DWC3_DEVICE_EVENT_CMD_CMPL:
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return "Command Complete";
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case DWC3_DEVICE_EVENT_OVERFLOW:
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return "Overflow";
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default:
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return "UNKNOWN";
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}
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}
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static inline const char *dwc3_decode_event(u32 event)
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{
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const union dwc3_event evt = (union dwc3_event) event;
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if (evt.type.is_devspec)
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return dwc3_gadget_event_string(&evt.devt);
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else
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return dwc3_ep_event_string(&evt.depevt);
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}
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static inline const char *dwc3_ep_cmd_status_string(int status)
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{
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switch (status) {
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case -ETIMEDOUT:
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return "Timed Out";
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case 0:
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return "Successful";
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case DEPEVT_TRANSFER_NO_RESOURCE:
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return "No Resource";
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case DEPEVT_TRANSFER_BUS_EXPIRY:
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return "Bus Expiry";
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default:
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return "UNKNOWN";
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}
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}
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static inline const char *dwc3_gadget_generic_cmd_status_string(int status)
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{
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switch (status) {
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case -ETIMEDOUT:
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return "Timed Out";
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case 0:
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return "Successful";
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case 1:
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return "Error";
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default:
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return "UNKNOWN";
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}
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}
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void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...);
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#ifdef CONFIG_DEBUG_FS
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extern void dwc3_debugfs_init(struct dwc3 *);
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extern void dwc3_debugfs_exit(struct dwc3 *);
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#else
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static inline void dwc3_debugfs_init(struct dwc3 *d)
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{ }
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static inline void dwc3_debugfs_exit(struct dwc3 *d)
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{ }
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#endif
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#endif /* __DWC3_DEBUG_H */
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