1 /** 2 * debug.h - DesignWare USB3 DRD Controller Debug Header 3 * 4 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com 5 * 6 * Authors: Felipe Balbi <balbi@ti.com>, 7 * Sebastian Andrzej Siewior <bigeasy@linutronix.de> 8 * 9 * This program is free software: you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 of 11 * the License as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 #ifndef __DWC3_DEBUG_H 20 #define __DWC3_DEBUG_H 21 22 #include "core.h" 23 24 /** 25 * dwc3_gadget_ep_cmd_string - returns endpoint command string 26 * @cmd: command code 27 */ 28 static inline const char * 29 dwc3_gadget_ep_cmd_string(u8 cmd) 30 { 31 switch (cmd) { 32 case DWC3_DEPCMD_DEPSTARTCFG: 33 return "Start New Configuration"; 34 case DWC3_DEPCMD_ENDTRANSFER: 35 return "End Transfer"; 36 case DWC3_DEPCMD_UPDATETRANSFER: 37 return "Update Transfer"; 38 case DWC3_DEPCMD_STARTTRANSFER: 39 return "Start Transfer"; 40 case DWC3_DEPCMD_CLEARSTALL: 41 return "Clear Stall"; 42 case DWC3_DEPCMD_SETSTALL: 43 return "Set Stall"; 44 case DWC3_DEPCMD_GETEPSTATE: 45 return "Get Endpoint State"; 46 case DWC3_DEPCMD_SETTRANSFRESOURCE: 47 return "Set Endpoint Transfer Resource"; 48 case DWC3_DEPCMD_SETEPCONFIG: 49 return "Set Endpoint Configuration"; 50 default: 51 return "UNKNOWN command"; 52 } 53 } 54 55 /** 56 * dwc3_gadget_generic_cmd_string - returns generic command string 57 * @cmd: command code 58 */ 59 static inline const char * 60 dwc3_gadget_generic_cmd_string(u8 cmd) 61 { 62 switch (cmd) { 63 case DWC3_DGCMD_SET_LMP: 64 return "Set LMP"; 65 case DWC3_DGCMD_SET_PERIODIC_PAR: 66 return "Set Periodic Parameters"; 67 case DWC3_DGCMD_XMIT_FUNCTION: 68 return "Transmit Function Wake Device Notification"; 69 case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO: 70 return "Set Scratchpad Buffer Array Address Lo"; 71 case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI: 72 return "Set Scratchpad Buffer Array Address Hi"; 73 case DWC3_DGCMD_SELECTED_FIFO_FLUSH: 74 return "Selected FIFO Flush"; 75 case DWC3_DGCMD_ALL_FIFO_FLUSH: 76 return "All FIFO Flush"; 77 case DWC3_DGCMD_SET_ENDPOINT_NRDY: 78 return "Set Endpoint NRDY"; 79 case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK: 80 return "Run SoC Bus Loopback Test"; 81 default: 82 return "UNKNOWN"; 83 } 84 } 85 86 /** 87 * dwc3_gadget_link_string - returns link name 88 * @link_state: link state code 89 */ 90 static inline const char * 91 dwc3_gadget_link_string(enum dwc3_link_state link_state) 92 { 93 switch (link_state) { 94 case DWC3_LINK_STATE_U0: 95 return "U0"; 96 case DWC3_LINK_STATE_U1: 97 return "U1"; 98 case DWC3_LINK_STATE_U2: 99 return "U2"; 100 case DWC3_LINK_STATE_U3: 101 return "U3"; 102 case DWC3_LINK_STATE_SS_DIS: 103 return "SS.Disabled"; 104 case DWC3_LINK_STATE_RX_DET: 105 return "RX.Detect"; 106 case DWC3_LINK_STATE_SS_INACT: 107 return "SS.Inactive"; 108 case DWC3_LINK_STATE_POLL: 109 return "Polling"; 110 case DWC3_LINK_STATE_RECOV: 111 return "Recovery"; 112 case DWC3_LINK_STATE_HRESET: 113 return "Hot Reset"; 114 case DWC3_LINK_STATE_CMPLY: 115 return "Compliance"; 116 case DWC3_LINK_STATE_LPBK: 117 return "Loopback"; 118 case DWC3_LINK_STATE_RESET: 119 return "Reset"; 120 case DWC3_LINK_STATE_RESUME: 121 return "Resume"; 122 default: 123 return "UNKNOWN link state\n"; 124 } 125 } 126 127 /** 128 * dwc3_gadget_event_string - returns event name 129 * @event: the event code 130 */ 131 static inline const char *dwc3_gadget_event_string(u8 event) 132 { 133 switch (event) { 134 case DWC3_DEVICE_EVENT_DISCONNECT: 135 return "Disconnect"; 136 case DWC3_DEVICE_EVENT_RESET: 137 return "Reset"; 138 case DWC3_DEVICE_EVENT_CONNECT_DONE: 139 return "Connection Done"; 140 case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE: 141 return "Link Status Change"; 142 case DWC3_DEVICE_EVENT_WAKEUP: 143 return "WakeUp"; 144 case DWC3_DEVICE_EVENT_EOPF: 145 return "End-Of-Frame"; 146 case DWC3_DEVICE_EVENT_SOF: 147 return "Start-Of-Frame"; 148 case DWC3_DEVICE_EVENT_ERRATIC_ERROR: 149 return "Erratic Error"; 150 case DWC3_DEVICE_EVENT_CMD_CMPL: 151 return "Command Complete"; 152 case DWC3_DEVICE_EVENT_OVERFLOW: 153 return "Overflow"; 154 } 155 156 return "UNKNOWN"; 157 } 158 159 /** 160 * dwc3_ep_event_string - returns event name 161 * @event: then event code 162 */ 163 static inline const char *dwc3_ep_event_string(u8 event) 164 { 165 switch (event) { 166 case DWC3_DEPEVT_XFERCOMPLETE: 167 return "Transfer Complete"; 168 case DWC3_DEPEVT_XFERINPROGRESS: 169 return "Transfer In-Progress"; 170 case DWC3_DEPEVT_XFERNOTREADY: 171 return "Transfer Not Ready"; 172 case DWC3_DEPEVT_RXTXFIFOEVT: 173 return "FIFO"; 174 case DWC3_DEPEVT_STREAMEVT: 175 return "Stream"; 176 case DWC3_DEPEVT_EPCMDCMPLT: 177 return "Endpoint Command Complete"; 178 } 179 180 return "UNKNOWN"; 181 } 182 183 /** 184 * dwc3_gadget_event_type_string - return event name 185 * @event: the event code 186 */ 187 static inline const char *dwc3_gadget_event_type_string(u8 event) 188 { 189 switch (event) { 190 case DWC3_DEVICE_EVENT_DISCONNECT: 191 return "Disconnect"; 192 case DWC3_DEVICE_EVENT_RESET: 193 return "Reset"; 194 case DWC3_DEVICE_EVENT_CONNECT_DONE: 195 return "Connect Done"; 196 case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE: 197 return "Link Status Change"; 198 case DWC3_DEVICE_EVENT_WAKEUP: 199 return "Wake-Up"; 200 case DWC3_DEVICE_EVENT_HIBER_REQ: 201 return "Hibernation"; 202 case DWC3_DEVICE_EVENT_EOPF: 203 return "End of Periodic Frame"; 204 case DWC3_DEVICE_EVENT_SOF: 205 return "Start of Frame"; 206 case DWC3_DEVICE_EVENT_ERRATIC_ERROR: 207 return "Erratic Error"; 208 case DWC3_DEVICE_EVENT_CMD_CMPL: 209 return "Command Complete"; 210 case DWC3_DEVICE_EVENT_OVERFLOW: 211 return "Overflow"; 212 default: 213 return "UNKNOWN"; 214 } 215 } 216 217 void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...); 218 219 #ifdef CONFIG_DEBUG_FS 220 extern void dwc3_debugfs_init(struct dwc3 *); 221 extern void dwc3_debugfs_exit(struct dwc3 *); 222 #else 223 static inline void dwc3_debugfs_init(struct dwc3 *d) 224 { } 225 static inline void dwc3_debugfs_exit(struct dwc3 *d) 226 { } 227 #endif 228 #endif /* __DWC3_DEBUG_H */ 229