Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 1 | /** |
| 2 | * debug.h - DesignWare USB3 DRD Controller Debug Header |
| 3 | * |
| 4 | * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com |
Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 5 | * |
| 6 | * Authors: Felipe Balbi <balbi@ti.com>, |
| 7 | * Sebastian Andrzej Siewior <bigeasy@linutronix.de> |
| 8 | * |
Felipe Balbi | 5945f78 | 2013-06-30 14:15:11 +0300 | [diff] [blame] | 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. |
Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 12 | * |
Felipe Balbi | 5945f78 | 2013-06-30 14:15:11 +0300 | [diff] [blame] | 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. |
Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 17 | */ |
| 18 | |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 19 | #ifndef __DWC3_DEBUG_H |
| 20 | #define __DWC3_DEBUG_H |
| 21 | |
Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 22 | #include "core.h" |
| 23 | |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 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 | |
Felipe Balbi | b5c7ed5 | 2017-03-31 14:44:09 +0300 | [diff] [blame] | 127 | /** |
| 128 | * dwc3_trb_type_string - returns TRB type as a string |
| 129 | * @type: the type of the TRB |
| 130 | */ |
| 131 | static inline const char *dwc3_trb_type_string(unsigned int type) |
| 132 | { |
| 133 | switch (type) { |
| 134 | case DWC3_TRBCTL_NORMAL: |
| 135 | return "normal"; |
| 136 | case DWC3_TRBCTL_CONTROL_SETUP: |
| 137 | return "setup"; |
| 138 | case DWC3_TRBCTL_CONTROL_STATUS2: |
| 139 | return "status2"; |
| 140 | case DWC3_TRBCTL_CONTROL_STATUS3: |
| 141 | return "status3"; |
| 142 | case DWC3_TRBCTL_CONTROL_DATA: |
| 143 | return "data"; |
| 144 | case DWC3_TRBCTL_ISOCHRONOUS_FIRST: |
| 145 | return "isoc-first"; |
| 146 | case DWC3_TRBCTL_ISOCHRONOUS: |
| 147 | return "isoc"; |
| 148 | case DWC3_TRBCTL_LINK_TRB: |
| 149 | return "link"; |
| 150 | default: |
| 151 | return "UNKNOWN"; |
| 152 | } |
| 153 | } |
| 154 | |
Felipe Balbi | cdd72ac | 2016-09-26 13:22:21 +0300 | [diff] [blame] | 155 | static inline const char *dwc3_ep0_state_string(enum dwc3_ep0_state state) |
| 156 | { |
| 157 | switch (state) { |
| 158 | case EP0_UNCONNECTED: |
| 159 | return "Unconnected"; |
| 160 | case EP0_SETUP_PHASE: |
| 161 | return "Setup Phase"; |
| 162 | case EP0_DATA_PHASE: |
| 163 | return "Data Phase"; |
| 164 | case EP0_STATUS_PHASE: |
| 165 | return "Status Phase"; |
| 166 | default: |
| 167 | return "UNKNOWN"; |
| 168 | } |
| 169 | } |
| 170 | |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 171 | /** |
| 172 | * dwc3_gadget_event_string - returns event name |
| 173 | * @event: the event code |
| 174 | */ |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 175 | static inline const char * |
Felipe Balbi | 3587f36 | 2017-04-28 11:28:35 +0300 | [diff] [blame] | 176 | dwc3_gadget_event_string(char *str, const struct dwc3_event_devt *event) |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 177 | { |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 178 | enum dwc3_link_state state = event->event_info & DWC3_LINK_STATE_MASK; |
| 179 | |
| 180 | switch (event->type) { |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 181 | case DWC3_DEVICE_EVENT_DISCONNECT: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 182 | sprintf(str, "Disconnect: [%s]", |
| 183 | dwc3_gadget_link_string(state)); |
| 184 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 185 | case DWC3_DEVICE_EVENT_RESET: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 186 | sprintf(str, "Reset [%s]", dwc3_gadget_link_string(state)); |
| 187 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 188 | case DWC3_DEVICE_EVENT_CONNECT_DONE: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 189 | sprintf(str, "Connection Done [%s]", |
| 190 | dwc3_gadget_link_string(state)); |
| 191 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 192 | case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 193 | sprintf(str, "Link Change [%s]", |
| 194 | dwc3_gadget_link_string(state)); |
| 195 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 196 | case DWC3_DEVICE_EVENT_WAKEUP: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 197 | sprintf(str, "WakeUp [%s]", dwc3_gadget_link_string(state)); |
| 198 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 199 | case DWC3_DEVICE_EVENT_EOPF: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 200 | sprintf(str, "End-Of-Frame [%s]", |
| 201 | dwc3_gadget_link_string(state)); |
| 202 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 203 | case DWC3_DEVICE_EVENT_SOF: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 204 | sprintf(str, "Start-Of-Frame [%s]", |
| 205 | dwc3_gadget_link_string(state)); |
| 206 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 207 | case DWC3_DEVICE_EVENT_ERRATIC_ERROR: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 208 | sprintf(str, "Erratic Error [%s]", |
| 209 | dwc3_gadget_link_string(state)); |
| 210 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 211 | case DWC3_DEVICE_EVENT_CMD_CMPL: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 212 | sprintf(str, "Command Complete [%s]", |
| 213 | dwc3_gadget_link_string(state)); |
| 214 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 215 | case DWC3_DEVICE_EVENT_OVERFLOW: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 216 | sprintf(str, "Overflow [%s]", dwc3_gadget_link_string(state)); |
| 217 | break; |
| 218 | default: |
| 219 | sprintf(str, "UNKNOWN"); |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 220 | } |
| 221 | |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 222 | return str; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 223 | } |
| 224 | |
Felipe Balbi | af32423 | 2017-04-26 16:09:09 +0300 | [diff] [blame] | 225 | static inline void dwc3_decode_get_status(__u8 t, __u16 i, __u16 l, char *str) |
| 226 | { |
| 227 | switch (t & USB_RECIP_MASK) { |
| 228 | case USB_RECIP_INTERFACE: |
| 229 | sprintf(str, "Get Interface Status(Intf = %d, Length = %d)", |
| 230 | i, l); |
| 231 | break; |
| 232 | case USB_RECIP_ENDPOINT: |
| 233 | sprintf(str, "Get Endpoint Status(ep%d%s)", |
| 234 | i & ~USB_DIR_IN, |
| 235 | i & USB_DIR_IN ? "in" : "out"); |
| 236 | break; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | static inline void dwc3_decode_set_clear_feature(__u8 t, __u8 b, __u16 v, |
| 241 | __u16 i, char *str) |
| 242 | { |
| 243 | switch (t & USB_RECIP_MASK) { |
| 244 | case USB_RECIP_DEVICE: |
| 245 | sprintf(str, "%s Device Feature(%s%s)", |
| 246 | b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", |
| 247 | ({char *s; |
| 248 | switch (v) { |
| 249 | case USB_DEVICE_SELF_POWERED: |
| 250 | s = "Self Powered"; |
| 251 | break; |
| 252 | case USB_DEVICE_REMOTE_WAKEUP: |
| 253 | s = "Remote Wakeup"; |
| 254 | break; |
| 255 | case USB_DEVICE_TEST_MODE: |
| 256 | s = "Test Mode"; |
| 257 | break; |
| 258 | default: |
| 259 | s = "UNKNOWN"; |
| 260 | } s; }), |
| 261 | v == USB_DEVICE_TEST_MODE ? |
| 262 | ({ char *s; |
| 263 | switch (i) { |
| 264 | case TEST_J: |
| 265 | s = ": TEST_J"; |
| 266 | break; |
| 267 | case TEST_K: |
| 268 | s = ": TEST_K"; |
| 269 | break; |
| 270 | case TEST_SE0_NAK: |
| 271 | s = ": TEST_SE0_NAK"; |
| 272 | break; |
| 273 | case TEST_PACKET: |
| 274 | s = ": TEST_PACKET"; |
| 275 | break; |
| 276 | case TEST_FORCE_EN: |
| 277 | s = ": TEST_FORCE_EN"; |
| 278 | break; |
| 279 | default: |
| 280 | s = ": UNKNOWN"; |
| 281 | } s; }) : ""); |
| 282 | break; |
| 283 | case USB_RECIP_INTERFACE: |
| 284 | sprintf(str, "%s Interface Feature(%s)", |
| 285 | b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", |
| 286 | v == USB_INTRF_FUNC_SUSPEND ? |
| 287 | "Function Suspend" : "UNKNOWN"); |
| 288 | break; |
| 289 | case USB_RECIP_ENDPOINT: |
| 290 | sprintf(str, "%s Endpoint Feature(%s ep%d%s)", |
| 291 | b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", |
| 292 | v == USB_ENDPOINT_HALT ? "Halt" : "UNKNOWN", |
| 293 | i & ~USB_DIR_IN, |
| 294 | i & USB_DIR_IN ? "in" : "out"); |
| 295 | break; |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | static inline void dwc3_decode_set_address(__u16 v, char *str) |
| 300 | { |
| 301 | sprintf(str, "Set Address(Addr = %02x)", v); |
| 302 | } |
| 303 | |
| 304 | static inline void dwc3_decode_get_set_descriptor(__u8 t, __u8 b, __u16 v, |
| 305 | __u16 i, __u16 l, char *str) |
| 306 | { |
| 307 | sprintf(str, "%s %s Descriptor(Index = %d, Length = %d)", |
| 308 | b == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set", |
| 309 | ({ char *s; |
| 310 | switch (v >> 8) { |
| 311 | case USB_DT_DEVICE: |
| 312 | s = "Device"; |
| 313 | break; |
| 314 | case USB_DT_CONFIG: |
| 315 | s = "Configuration"; |
| 316 | break; |
| 317 | case USB_DT_STRING: |
| 318 | s = "String"; |
| 319 | break; |
| 320 | case USB_DT_INTERFACE: |
| 321 | s = "Interface"; |
| 322 | break; |
| 323 | case USB_DT_ENDPOINT: |
| 324 | s = "Endpoint"; |
| 325 | break; |
| 326 | case USB_DT_DEVICE_QUALIFIER: |
| 327 | s = "Device Qualifier"; |
| 328 | break; |
| 329 | case USB_DT_OTHER_SPEED_CONFIG: |
| 330 | s = "Other Speed Config"; |
| 331 | break; |
| 332 | case USB_DT_INTERFACE_POWER: |
| 333 | s = "Interface Power"; |
| 334 | break; |
| 335 | case USB_DT_OTG: |
| 336 | s = "OTG"; |
| 337 | break; |
| 338 | case USB_DT_DEBUG: |
| 339 | s = "Debug"; |
| 340 | break; |
| 341 | case USB_DT_INTERFACE_ASSOCIATION: |
| 342 | s = "Interface Association"; |
| 343 | break; |
| 344 | case USB_DT_BOS: |
| 345 | s = "BOS"; |
| 346 | break; |
| 347 | case USB_DT_DEVICE_CAPABILITY: |
| 348 | s = "Device Capability"; |
| 349 | break; |
| 350 | case USB_DT_PIPE_USAGE: |
| 351 | s = "Pipe Usage"; |
| 352 | break; |
| 353 | case USB_DT_SS_ENDPOINT_COMP: |
| 354 | s = "SS Endpoint Companion"; |
| 355 | break; |
| 356 | case USB_DT_SSP_ISOC_ENDPOINT_COMP: |
| 357 | s = "SSP Isochronous Endpoint Companion"; |
| 358 | break; |
| 359 | default: |
| 360 | s = "UNKNOWN"; |
| 361 | break; |
| 362 | } s; }), v & 0xff, l); |
| 363 | } |
| 364 | |
| 365 | |
| 366 | static inline void dwc3_decode_get_configuration(__u16 l, char *str) |
| 367 | { |
| 368 | sprintf(str, "Get Configuration(Length = %d)", l); |
| 369 | } |
| 370 | |
| 371 | static inline void dwc3_decode_set_configuration(__u8 v, char *str) |
| 372 | { |
| 373 | sprintf(str, "Set Configuration(Config = %d)", v); |
| 374 | } |
| 375 | |
| 376 | static inline void dwc3_decode_get_intf(__u16 i, __u16 l, char *str) |
| 377 | { |
| 378 | sprintf(str, "Get Interface(Intf = %d, Length = %d)", i, l); |
| 379 | } |
| 380 | |
| 381 | static inline void dwc3_decode_set_intf(__u8 v, __u16 i, char *str) |
| 382 | { |
| 383 | sprintf(str, "Set Interface(Intf = %d, Alt.Setting = %d)", i, v); |
| 384 | } |
| 385 | |
| 386 | static inline void dwc3_decode_synch_frame(__u16 i, __u16 l, char *str) |
| 387 | { |
| 388 | sprintf(str, "Synch Frame(Endpoint = %d, Length = %d)", i, l); |
| 389 | } |
| 390 | |
| 391 | static inline void dwc3_decode_set_sel(__u16 l, char *str) |
| 392 | { |
| 393 | sprintf(str, "Set SEL(Length = %d)", l); |
| 394 | } |
| 395 | |
| 396 | static inline void dwc3_decode_set_isoch_delay(__u8 v, char *str) |
| 397 | { |
| 398 | sprintf(str, "Set Isochronous Delay(Delay = %d ns)", v); |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * dwc3_decode_ctrl - returns a string represetion of ctrl request |
| 403 | */ |
| 404 | static inline const char *dwc3_decode_ctrl(char *str, __u8 bRequestType, |
| 405 | __u8 bRequest, __u16 wValue, __u16 wIndex, __u16 wLength) |
| 406 | { |
| 407 | switch (bRequest) { |
| 408 | case USB_REQ_GET_STATUS: |
| 409 | dwc3_decode_get_status(bRequestType, wIndex, wLength, str); |
| 410 | break; |
| 411 | case USB_REQ_CLEAR_FEATURE: |
| 412 | case USB_REQ_SET_FEATURE: |
| 413 | dwc3_decode_set_clear_feature(bRequestType, bRequest, wValue, |
| 414 | wIndex, str); |
| 415 | break; |
| 416 | case USB_REQ_SET_ADDRESS: |
| 417 | dwc3_decode_set_address(wValue, str); |
| 418 | break; |
| 419 | case USB_REQ_GET_DESCRIPTOR: |
| 420 | case USB_REQ_SET_DESCRIPTOR: |
| 421 | dwc3_decode_get_set_descriptor(bRequestType, bRequest, wValue, |
| 422 | wIndex, wLength, str); |
| 423 | break; |
| 424 | case USB_REQ_GET_CONFIGURATION: |
| 425 | dwc3_decode_get_configuration(wLength, str); |
| 426 | break; |
| 427 | case USB_REQ_SET_CONFIGURATION: |
| 428 | dwc3_decode_set_configuration(wValue, str); |
| 429 | break; |
| 430 | case USB_REQ_GET_INTERFACE: |
| 431 | dwc3_decode_get_intf(wIndex, wLength, str); |
| 432 | break; |
| 433 | case USB_REQ_SET_INTERFACE: |
| 434 | dwc3_decode_set_intf(wValue, wIndex, str); |
| 435 | break; |
| 436 | case USB_REQ_SYNCH_FRAME: |
| 437 | dwc3_decode_synch_frame(wIndex, wLength, str); |
| 438 | break; |
| 439 | case USB_REQ_SET_SEL: |
| 440 | dwc3_decode_set_sel(wLength, str); |
| 441 | break; |
| 442 | case USB_REQ_SET_ISOCH_DELAY: |
| 443 | dwc3_decode_set_isoch_delay(wValue, str); |
| 444 | break; |
| 445 | default: |
| 446 | sprintf(str, "%02x %02x %02x %02x %02x %02x %02x %02x", |
| 447 | bRequestType, bRequest, |
| 448 | cpu_to_le16(wValue) & 0xff, |
| 449 | cpu_to_le16(wValue) >> 8, |
| 450 | cpu_to_le16(wIndex) & 0xff, |
| 451 | cpu_to_le16(wIndex) >> 8, |
| 452 | cpu_to_le16(wLength) & 0xff, |
| 453 | cpu_to_le16(wLength) >> 8); |
| 454 | } |
| 455 | |
| 456 | return str; |
| 457 | } |
| 458 | |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 459 | /** |
| 460 | * dwc3_ep_event_string - returns event name |
| 461 | * @event: then event code |
| 462 | */ |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 463 | static inline const char * |
Felipe Balbi | 3587f36 | 2017-04-28 11:28:35 +0300 | [diff] [blame] | 464 | dwc3_ep_event_string(char *str, const struct dwc3_event_depevt *event, |
| 465 | u32 ep0state) |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 466 | { |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 467 | u8 epnum = event->endpoint_number; |
Felipe Balbi | 43c96be | 2016-09-26 13:23:34 +0300 | [diff] [blame] | 468 | size_t len; |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 469 | int status; |
| 470 | int ret; |
| 471 | |
| 472 | ret = sprintf(str, "ep%d%s: ", epnum >> 1, |
Felipe Balbi | 696fe69 | 2016-08-24 14:32:39 +0300 | [diff] [blame] | 473 | (epnum & 1) ? "in" : "out"); |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 474 | if (ret < 0) |
| 475 | return "UNKNOWN"; |
| 476 | |
| 477 | switch (event->endpoint_event) { |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 478 | case DWC3_DEPEVT_XFERCOMPLETE: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 479 | strcat(str, "Transfer Complete"); |
Felipe Balbi | 43c96be | 2016-09-26 13:23:34 +0300 | [diff] [blame] | 480 | len = strlen(str); |
| 481 | |
| 482 | if (epnum <= 1) |
| 483 | sprintf(str + len, " [%s]", dwc3_ep0_state_string(ep0state)); |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 484 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 485 | case DWC3_DEPEVT_XFERINPROGRESS: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 486 | strcat(str, "Transfer In-Progress"); |
| 487 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 488 | case DWC3_DEPEVT_XFERNOTREADY: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 489 | strcat(str, "Transfer Not Ready"); |
| 490 | status = event->status & DEPEVT_STATUS_TRANSFER_ACTIVE; |
| 491 | strcat(str, status ? " (Active)" : " (Not Active)"); |
Felipe Balbi | 45a2af2 | 2016-09-26 12:54:04 +0300 | [diff] [blame] | 492 | |
| 493 | /* Control Endpoints */ |
| 494 | if (epnum <= 1) { |
| 495 | int phase = DEPEVT_STATUS_CONTROL_PHASE(event->status); |
| 496 | |
| 497 | switch (phase) { |
| 498 | case DEPEVT_STATUS_CONTROL_DATA: |
| 499 | strcat(str, " [Data Phase]"); |
| 500 | break; |
| 501 | case DEPEVT_STATUS_CONTROL_STATUS: |
| 502 | strcat(str, " [Status Phase]"); |
| 503 | } |
| 504 | } |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 505 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 506 | case DWC3_DEPEVT_RXTXFIFOEVT: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 507 | strcat(str, "FIFO"); |
| 508 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 509 | case DWC3_DEPEVT_STREAMEVT: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 510 | status = event->status; |
| 511 | |
| 512 | switch (status) { |
| 513 | case DEPEVT_STREAMEVT_FOUND: |
| 514 | sprintf(str + ret, " Stream %d Found", |
| 515 | event->parameters); |
| 516 | break; |
| 517 | case DEPEVT_STREAMEVT_NOTFOUND: |
| 518 | default: |
| 519 | strcat(str, " Stream Not Found"); |
| 520 | break; |
| 521 | } |
| 522 | |
| 523 | break; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 524 | case DWC3_DEPEVT_EPCMDCMPLT: |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 525 | strcat(str, "Endpoint Command Complete"); |
| 526 | break; |
| 527 | default: |
| 528 | sprintf(str, "UNKNOWN"); |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 529 | } |
| 530 | |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 531 | return str; |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 532 | } |
| 533 | |
Felipe Balbi | e996061 | 2014-08-19 16:49:20 -0500 | [diff] [blame] | 534 | /** |
| 535 | * dwc3_gadget_event_type_string - return event name |
| 536 | * @event: the event code |
| 537 | */ |
| 538 | static inline const char *dwc3_gadget_event_type_string(u8 event) |
| 539 | { |
| 540 | switch (event) { |
| 541 | case DWC3_DEVICE_EVENT_DISCONNECT: |
| 542 | return "Disconnect"; |
| 543 | case DWC3_DEVICE_EVENT_RESET: |
| 544 | return "Reset"; |
| 545 | case DWC3_DEVICE_EVENT_CONNECT_DONE: |
| 546 | return "Connect Done"; |
| 547 | case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE: |
| 548 | return "Link Status Change"; |
| 549 | case DWC3_DEVICE_EVENT_WAKEUP: |
| 550 | return "Wake-Up"; |
| 551 | case DWC3_DEVICE_EVENT_HIBER_REQ: |
| 552 | return "Hibernation"; |
| 553 | case DWC3_DEVICE_EVENT_EOPF: |
| 554 | return "End of Periodic Frame"; |
| 555 | case DWC3_DEVICE_EVENT_SOF: |
| 556 | return "Start of Frame"; |
| 557 | case DWC3_DEVICE_EVENT_ERRATIC_ERROR: |
| 558 | return "Erratic Error"; |
| 559 | case DWC3_DEVICE_EVENT_CMD_CMPL: |
| 560 | return "Command Complete"; |
| 561 | case DWC3_DEVICE_EVENT_OVERFLOW: |
| 562 | return "Overflow"; |
| 563 | default: |
| 564 | return "UNKNOWN"; |
| 565 | } |
| 566 | } |
| 567 | |
Felipe Balbi | 3587f36 | 2017-04-28 11:28:35 +0300 | [diff] [blame] | 568 | static inline const char *dwc3_decode_event(char *str, u32 event, u32 ep0state) |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 569 | { |
| 570 | const union dwc3_event evt = (union dwc3_event) event; |
| 571 | |
| 572 | if (evt.type.is_devspec) |
Felipe Balbi | 3587f36 | 2017-04-28 11:28:35 +0300 | [diff] [blame] | 573 | return dwc3_gadget_event_string(str, &evt.devt); |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 574 | else |
Felipe Balbi | 3587f36 | 2017-04-28 11:28:35 +0300 | [diff] [blame] | 575 | return dwc3_ep_event_string(str, &evt.depevt, ep0state); |
Felipe Balbi | f75cacc | 2016-05-23 11:10:08 +0300 | [diff] [blame] | 576 | } |
| 577 | |
Felipe Balbi | 0933df1 | 2016-05-23 14:02:33 +0300 | [diff] [blame] | 578 | static inline const char *dwc3_ep_cmd_status_string(int status) |
| 579 | { |
| 580 | switch (status) { |
| 581 | case -ETIMEDOUT: |
| 582 | return "Timed Out"; |
| 583 | case 0: |
| 584 | return "Successful"; |
| 585 | case DEPEVT_TRANSFER_NO_RESOURCE: |
| 586 | return "No Resource"; |
| 587 | case DEPEVT_TRANSFER_BUS_EXPIRY: |
| 588 | return "Bus Expiry"; |
| 589 | default: |
| 590 | return "UNKNOWN"; |
| 591 | } |
| 592 | } |
| 593 | |
Felipe Balbi | 71f7e70 | 2016-05-23 14:16:19 +0300 | [diff] [blame] | 594 | static inline const char *dwc3_gadget_generic_cmd_status_string(int status) |
| 595 | { |
| 596 | switch (status) { |
| 597 | case -ETIMEDOUT: |
| 598 | return "Timed Out"; |
| 599 | case 0: |
| 600 | return "Successful"; |
| 601 | case 1: |
| 602 | return "Error"; |
| 603 | default: |
| 604 | return "UNKNOWN"; |
| 605 | } |
| 606 | } |
| 607 | |
Felipe Balbi | 57b14da | 2016-09-30 14:12:34 +0300 | [diff] [blame] | 608 | |
Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 609 | #ifdef CONFIG_DEBUG_FS |
Du, Changbin | 4e9f311 | 2016-04-12 19:10:18 +0800 | [diff] [blame] | 610 | extern void dwc3_debugfs_init(struct dwc3 *); |
Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 611 | extern void dwc3_debugfs_exit(struct dwc3 *); |
| 612 | #else |
Du, Changbin | 4e9f311 | 2016-04-12 19:10:18 +0800 | [diff] [blame] | 613 | static inline void dwc3_debugfs_init(struct dwc3 *d) |
| 614 | { } |
Felipe Balbi | 72246da | 2011-08-19 18:10:58 +0300 | [diff] [blame] | 615 | static inline void dwc3_debugfs_exit(struct dwc3 *d) |
| 616 | { } |
| 617 | #endif |
Felipe Balbi | 80977dc | 2014-08-19 16:37:22 -0500 | [diff] [blame] | 618 | #endif /* __DWC3_DEBUG_H */ |