428 lines
10 KiB
C
428 lines
10 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* debug.h - DesignWare USB3 DRD Controller Debug Header
|
|
*
|
|
* Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
|
|
*
|
|
* Authors: Felipe Balbi <balbi@ti.com>,
|
|
* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|
*/
|
|
|
|
#ifndef __DWC3_DEBUG_H
|
|
#define __DWC3_DEBUG_H
|
|
|
|
#include "core.h"
|
|
|
|
/**
|
|
* dwc3_gadget_ep_cmd_string - returns endpoint command string
|
|
* @cmd: command code
|
|
*/
|
|
static inline const char *
|
|
dwc3_gadget_ep_cmd_string(u8 cmd)
|
|
{
|
|
switch (cmd) {
|
|
case DWC3_DEPCMD_DEPSTARTCFG:
|
|
return "Start New Configuration";
|
|
case DWC3_DEPCMD_ENDTRANSFER:
|
|
return "End Transfer";
|
|
case DWC3_DEPCMD_UPDATETRANSFER:
|
|
return "Update Transfer";
|
|
case DWC3_DEPCMD_STARTTRANSFER:
|
|
return "Start Transfer";
|
|
case DWC3_DEPCMD_CLEARSTALL:
|
|
return "Clear Stall";
|
|
case DWC3_DEPCMD_SETSTALL:
|
|
return "Set Stall";
|
|
case DWC3_DEPCMD_GETEPSTATE:
|
|
return "Get Endpoint State";
|
|
case DWC3_DEPCMD_SETTRANSFRESOURCE:
|
|
return "Set Endpoint Transfer Resource";
|
|
case DWC3_DEPCMD_SETEPCONFIG:
|
|
return "Set Endpoint Configuration";
|
|
default:
|
|
return "UNKNOWN command";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* dwc3_gadget_generic_cmd_string - returns generic command string
|
|
* @cmd: command code
|
|
*/
|
|
static inline const char *
|
|
dwc3_gadget_generic_cmd_string(u8 cmd)
|
|
{
|
|
switch (cmd) {
|
|
case DWC3_DGCMD_SET_LMP:
|
|
return "Set LMP";
|
|
case DWC3_DGCMD_SET_PERIODIC_PAR:
|
|
return "Set Periodic Parameters";
|
|
case DWC3_DGCMD_XMIT_FUNCTION:
|
|
return "Transmit Function Wake Device Notification";
|
|
case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO:
|
|
return "Set Scratchpad Buffer Array Address Lo";
|
|
case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI:
|
|
return "Set Scratchpad Buffer Array Address Hi";
|
|
case DWC3_DGCMD_SELECTED_FIFO_FLUSH:
|
|
return "Selected FIFO Flush";
|
|
case DWC3_DGCMD_ALL_FIFO_FLUSH:
|
|
return "All FIFO Flush";
|
|
case DWC3_DGCMD_SET_ENDPOINT_NRDY:
|
|
return "Set Endpoint NRDY";
|
|
case DWC3_DGCMD_SET_ENDPOINT_PRIME:
|
|
return "Set Endpoint Prime";
|
|
case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK:
|
|
return "Run SoC Bus Loopback Test";
|
|
default:
|
|
return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* dwc3_gadget_link_string - returns link name
|
|
* @link_state: link state code
|
|
*/
|
|
static inline const char *
|
|
dwc3_gadget_link_string(enum dwc3_link_state link_state)
|
|
{
|
|
switch (link_state) {
|
|
case DWC3_LINK_STATE_U0:
|
|
return "U0";
|
|
case DWC3_LINK_STATE_U1:
|
|
return "U1";
|
|
case DWC3_LINK_STATE_U2:
|
|
return "U2";
|
|
case DWC3_LINK_STATE_U3:
|
|
return "U3";
|
|
case DWC3_LINK_STATE_SS_DIS:
|
|
return "SS.Disabled";
|
|
case DWC3_LINK_STATE_RX_DET:
|
|
return "RX.Detect";
|
|
case DWC3_LINK_STATE_SS_INACT:
|
|
return "SS.Inactive";
|
|
case DWC3_LINK_STATE_POLL:
|
|
return "Polling";
|
|
case DWC3_LINK_STATE_RECOV:
|
|
return "Recovery";
|
|
case DWC3_LINK_STATE_HRESET:
|
|
return "Hot Reset";
|
|
case DWC3_LINK_STATE_CMPLY:
|
|
return "Compliance";
|
|
case DWC3_LINK_STATE_LPBK:
|
|
return "Loopback";
|
|
case DWC3_LINK_STATE_RESET:
|
|
return "Reset";
|
|
case DWC3_LINK_STATE_RESUME:
|
|
return "Resume";
|
|
default:
|
|
return "UNKNOWN link state";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* dwc3_gadget_hs_link_string - returns highspeed and below link name
|
|
* @link_state: link state code
|
|
*/
|
|
static inline const char *
|
|
dwc3_gadget_hs_link_string(enum dwc3_link_state link_state)
|
|
{
|
|
switch (link_state) {
|
|
case DWC3_LINK_STATE_U0:
|
|
return "On";
|
|
case DWC3_LINK_STATE_U2:
|
|
return "Sleep";
|
|
case DWC3_LINK_STATE_U3:
|
|
return "Suspend";
|
|
case DWC3_LINK_STATE_SS_DIS:
|
|
return "Disconnected";
|
|
case DWC3_LINK_STATE_RX_DET:
|
|
return "Early Suspend";
|
|
case DWC3_LINK_STATE_RECOV:
|
|
return "Recovery";
|
|
case DWC3_LINK_STATE_RESET:
|
|
return "Reset";
|
|
case DWC3_LINK_STATE_RESUME:
|
|
return "Resume";
|
|
default:
|
|
return "UNKNOWN link state";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* dwc3_trb_type_string - returns TRB type as a string
|
|
* @type: the type of the TRB
|
|
*/
|
|
static inline const char *dwc3_trb_type_string(unsigned int type)
|
|
{
|
|
switch (type) {
|
|
case DWC3_TRBCTL_NORMAL:
|
|
return "normal";
|
|
case DWC3_TRBCTL_CONTROL_SETUP:
|
|
return "setup";
|
|
case DWC3_TRBCTL_CONTROL_STATUS2:
|
|
return "status2";
|
|
case DWC3_TRBCTL_CONTROL_STATUS3:
|
|
return "status3";
|
|
case DWC3_TRBCTL_CONTROL_DATA:
|
|
return "data";
|
|
case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
|
|
return "isoc-first";
|
|
case DWC3_TRBCTL_ISOCHRONOUS:
|
|
return "isoc";
|
|
case DWC3_TRBCTL_LINK_TRB:
|
|
return "link";
|
|
default:
|
|
return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
static inline const char *dwc3_ep0_state_string(enum dwc3_ep0_state state)
|
|
{
|
|
switch (state) {
|
|
case EP0_UNCONNECTED:
|
|
return "Unconnected";
|
|
case EP0_SETUP_PHASE:
|
|
return "Setup Phase";
|
|
case EP0_DATA_PHASE:
|
|
return "Data Phase";
|
|
case EP0_STATUS_PHASE:
|
|
return "Status Phase";
|
|
default:
|
|
return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* dwc3_gadget_event_string - returns event name
|
|
* @event: the event code
|
|
*/
|
|
static inline const char *dwc3_gadget_event_string(char *str, size_t size,
|
|
const struct dwc3_event_devt *event)
|
|
{
|
|
enum dwc3_link_state state = event->event_info & DWC3_LINK_STATE_MASK;
|
|
|
|
switch (event->type) {
|
|
case DWC3_DEVICE_EVENT_DISCONNECT:
|
|
snprintf(str, size, "Disconnect: [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_RESET:
|
|
snprintf(str, size, "Reset [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_CONNECT_DONE:
|
|
snprintf(str, size, "Connection Done [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
|
|
snprintf(str, size, "Link Change [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_WAKEUP:
|
|
snprintf(str, size, "WakeUp [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_SUSPEND:
|
|
snprintf(str, size, "Suspend [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_SOF:
|
|
snprintf(str, size, "Start-Of-Frame [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
|
|
snprintf(str, size, "Erratic Error [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_CMD_CMPL:
|
|
snprintf(str, size, "Command Complete [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
case DWC3_DEVICE_EVENT_OVERFLOW:
|
|
snprintf(str, size, "Overflow [%s]",
|
|
dwc3_gadget_link_string(state));
|
|
break;
|
|
default:
|
|
snprintf(str, size, "UNKNOWN");
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
/**
|
|
* dwc3_ep_event_string - returns event name
|
|
* @event: then event code
|
|
*/
|
|
static inline const char *dwc3_ep_event_string(char *str, size_t size,
|
|
const struct dwc3_event_depevt *event, u32 ep0state)
|
|
{
|
|
u8 epnum = event->endpoint_number;
|
|
size_t len;
|
|
int status;
|
|
|
|
len = scnprintf(str, size, "ep%d%s: ", epnum >> 1,
|
|
(epnum & 1) ? "in" : "out");
|
|
|
|
status = event->status;
|
|
|
|
switch (event->endpoint_event) {
|
|
case DWC3_DEPEVT_XFERCOMPLETE:
|
|
len += scnprintf(str + len, size - len,
|
|
"Transfer Complete (%c%c%c)",
|
|
status & DEPEVT_STATUS_SHORT ? 'S' : 's',
|
|
status & DEPEVT_STATUS_IOC ? 'I' : 'i',
|
|
status & DEPEVT_STATUS_LST ? 'L' : 'l');
|
|
|
|
if (epnum <= 1)
|
|
scnprintf(str + len, size - len, " [%s]",
|
|
dwc3_ep0_state_string(ep0state));
|
|
break;
|
|
case DWC3_DEPEVT_XFERINPROGRESS:
|
|
scnprintf(str + len, size - len,
|
|
"Transfer In Progress [%d] (%c%c%c)",
|
|
event->parameters,
|
|
status & DEPEVT_STATUS_SHORT ? 'S' : 's',
|
|
status & DEPEVT_STATUS_IOC ? 'I' : 'i',
|
|
status & DEPEVT_STATUS_LST ? 'M' : 'm');
|
|
break;
|
|
case DWC3_DEPEVT_XFERNOTREADY:
|
|
len += scnprintf(str + len, size - len,
|
|
"Transfer Not Ready [%d]%s",
|
|
event->parameters,
|
|
status & DEPEVT_STATUS_TRANSFER_ACTIVE ?
|
|
" (Active)" : " (Not Active)");
|
|
|
|
/* Control Endpoints */
|
|
if (epnum <= 1) {
|
|
int phase = DEPEVT_STATUS_CONTROL_PHASE(event->status);
|
|
|
|
switch (phase) {
|
|
case DEPEVT_STATUS_CONTROL_DATA:
|
|
scnprintf(str + len, size - len,
|
|
" [Data Phase]");
|
|
break;
|
|
case DEPEVT_STATUS_CONTROL_STATUS:
|
|
scnprintf(str + len, size - len,
|
|
" [Status Phase]");
|
|
}
|
|
}
|
|
break;
|
|
case DWC3_DEPEVT_RXTXFIFOEVT:
|
|
scnprintf(str + len, size - len, "FIFO");
|
|
break;
|
|
case DWC3_DEPEVT_STREAMEVT:
|
|
status = event->status;
|
|
|
|
switch (status) {
|
|
case DEPEVT_STREAMEVT_FOUND:
|
|
scnprintf(str + len, size - len, " Stream %d Found",
|
|
event->parameters);
|
|
break;
|
|
case DEPEVT_STREAMEVT_NOTFOUND:
|
|
default:
|
|
scnprintf(str + len, size - len, " Stream Not Found");
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case DWC3_DEPEVT_EPCMDCMPLT:
|
|
scnprintf(str + len, size - len, "Endpoint Command Complete");
|
|
break;
|
|
default:
|
|
scnprintf(str + len, size - len, "UNKNOWN");
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
/**
|
|
* dwc3_gadget_event_type_string - return event name
|
|
* @event: the event code
|
|
*/
|
|
static inline const char *dwc3_gadget_event_type_string(u8 event)
|
|
{
|
|
switch (event) {
|
|
case DWC3_DEVICE_EVENT_DISCONNECT:
|
|
return "Disconnect";
|
|
case DWC3_DEVICE_EVENT_RESET:
|
|
return "Reset";
|
|
case DWC3_DEVICE_EVENT_CONNECT_DONE:
|
|
return "Connect Done";
|
|
case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
|
|
return "Link Status Change";
|
|
case DWC3_DEVICE_EVENT_WAKEUP:
|
|
return "Wake-Up";
|
|
case DWC3_DEVICE_EVENT_HIBER_REQ:
|
|
return "Hibernation";
|
|
case DWC3_DEVICE_EVENT_SUSPEND:
|
|
return "Suspend";
|
|
case DWC3_DEVICE_EVENT_SOF:
|
|
return "Start of Frame";
|
|
case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
|
|
return "Erratic Error";
|
|
case DWC3_DEVICE_EVENT_CMD_CMPL:
|
|
return "Command Complete";
|
|
case DWC3_DEVICE_EVENT_OVERFLOW:
|
|
return "Overflow";
|
|
default:
|
|
return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
static inline const char *dwc3_decode_event(char *str, size_t size, u32 event,
|
|
u32 ep0state)
|
|
{
|
|
union dwc3_event evt;
|
|
|
|
memcpy(&evt, &event, sizeof(event));
|
|
|
|
if (evt.type.is_devspec)
|
|
return dwc3_gadget_event_string(str, size, &evt.devt);
|
|
else
|
|
return dwc3_ep_event_string(str, size, &evt.depevt, ep0state);
|
|
}
|
|
|
|
static inline const char *dwc3_ep_cmd_status_string(int status)
|
|
{
|
|
switch (status) {
|
|
case -ETIMEDOUT:
|
|
return "Timed Out";
|
|
case 0:
|
|
return "Successful";
|
|
case DEPEVT_TRANSFER_NO_RESOURCE:
|
|
return "No Resource";
|
|
case DEPEVT_TRANSFER_BUS_EXPIRY:
|
|
return "Bus Expiry";
|
|
default:
|
|
return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
static inline const char *dwc3_gadget_generic_cmd_status_string(int status)
|
|
{
|
|
switch (status) {
|
|
case -ETIMEDOUT:
|
|
return "Timed Out";
|
|
case 0:
|
|
return "Successful";
|
|
case 1:
|
|
return "Error";
|
|
default:
|
|
return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
extern void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep);
|
|
extern void dwc3_debugfs_init(struct dwc3 *d);
|
|
extern void dwc3_debugfs_exit(struct dwc3 *d);
|
|
#else
|
|
static inline void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep)
|
|
{ }
|
|
static inline void dwc3_debugfs_init(struct dwc3 *d)
|
|
{ }
|
|
static inline void dwc3_debugfs_exit(struct dwc3 *d)
|
|
{ }
|
|
#endif
|
|
#endif /* __DWC3_DEBUG_H */
|