Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * debug.h - DesignWare USB3 DRD Controller Debug Header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Authors: Felipe Balbi <balbi@ti.com>,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #ifndef __DWC3_DEBUG_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #define __DWC3_DEBUG_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include "core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * dwc3_gadget_ep_cmd_string - returns endpoint command string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * @cmd: command code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) static inline const char *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) dwc3_gadget_ep_cmd_string(u8 cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	switch (cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	case DWC3_DEPCMD_DEPSTARTCFG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 		return "Start New Configuration";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	case DWC3_DEPCMD_ENDTRANSFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		return "End Transfer";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	case DWC3_DEPCMD_UPDATETRANSFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		return "Update Transfer";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	case DWC3_DEPCMD_STARTTRANSFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 		return "Start Transfer";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	case DWC3_DEPCMD_CLEARSTALL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 		return "Clear Stall";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	case DWC3_DEPCMD_SETSTALL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		return "Set Stall";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	case DWC3_DEPCMD_GETEPSTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		return "Get Endpoint State";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	case DWC3_DEPCMD_SETTRANSFRESOURCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		return "Set Endpoint Transfer Resource";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	case DWC3_DEPCMD_SETEPCONFIG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 		return "Set Endpoint Configuration";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		return "UNKNOWN command";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  * dwc3_gadget_generic_cmd_string - returns generic command string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  * @cmd: command code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) static inline const char *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) dwc3_gadget_generic_cmd_string(u8 cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	switch (cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	case DWC3_DGCMD_SET_LMP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		return "Set LMP";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	case DWC3_DGCMD_SET_PERIODIC_PAR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		return "Set Periodic Parameters";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	case DWC3_DGCMD_XMIT_FUNCTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		return "Transmit Function Wake Device Notification";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		return "Set Scratchpad Buffer Array Address Lo";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		return "Set Scratchpad Buffer Array Address Hi";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	case DWC3_DGCMD_SELECTED_FIFO_FLUSH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		return "Selected FIFO Flush";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	case DWC3_DGCMD_ALL_FIFO_FLUSH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		return "All FIFO Flush";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	case DWC3_DGCMD_SET_ENDPOINT_NRDY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		return "Set Endpoint NRDY";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	case DWC3_DGCMD_SET_ENDPOINT_PRIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		return "Set Endpoint Prime";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		return "Run SoC Bus Loopback Test";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		return "UNKNOWN";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81)  * dwc3_gadget_link_string - returns link name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82)  * @link_state: link state code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static inline const char *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) dwc3_gadget_link_string(enum dwc3_link_state link_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	switch (link_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	case DWC3_LINK_STATE_U0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		return "U0";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	case DWC3_LINK_STATE_U1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		return "U1";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	case DWC3_LINK_STATE_U2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		return "U2";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	case DWC3_LINK_STATE_U3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		return "U3";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	case DWC3_LINK_STATE_SS_DIS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		return "SS.Disabled";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	case DWC3_LINK_STATE_RX_DET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		return "RX.Detect";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	case DWC3_LINK_STATE_SS_INACT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		return "SS.Inactive";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	case DWC3_LINK_STATE_POLL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		return "Polling";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	case DWC3_LINK_STATE_RECOV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		return "Recovery";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	case DWC3_LINK_STATE_HRESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		return "Hot Reset";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	case DWC3_LINK_STATE_CMPLY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		return "Compliance";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	case DWC3_LINK_STATE_LPBK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		return "Loopback";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	case DWC3_LINK_STATE_RESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		return "Reset";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	case DWC3_LINK_STATE_RESUME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		return "Resume";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		return "UNKNOWN link state";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)  * dwc3_gadget_hs_link_string - returns highspeed and below link name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)  * @link_state: link state code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static inline const char *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) dwc3_gadget_hs_link_string(enum dwc3_link_state link_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	switch (link_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	case DWC3_LINK_STATE_U0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		return "On";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	case DWC3_LINK_STATE_U2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		return "Sleep";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	case DWC3_LINK_STATE_U3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		return "Suspend";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	case DWC3_LINK_STATE_SS_DIS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		return "Disconnected";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	case DWC3_LINK_STATE_RX_DET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		return "Early Suspend";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	case DWC3_LINK_STATE_RECOV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		return "Recovery";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	case DWC3_LINK_STATE_RESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		return "Reset";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	case DWC3_LINK_STATE_RESUME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		return "Resume";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		return "UNKNOWN link state";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)  * dwc3_trb_type_string - returns TRB type as a string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)  * @type: the type of the TRB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static inline const char *dwc3_trb_type_string(unsigned int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	case DWC3_TRBCTL_NORMAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		return "normal";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	case DWC3_TRBCTL_CONTROL_SETUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		return "setup";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	case DWC3_TRBCTL_CONTROL_STATUS2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		return "status2";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	case DWC3_TRBCTL_CONTROL_STATUS3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		return "status3";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	case DWC3_TRBCTL_CONTROL_DATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		return "data";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		return "isoc-first";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	case DWC3_TRBCTL_ISOCHRONOUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		return "isoc";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	case DWC3_TRBCTL_LINK_TRB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		return "link";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		return "UNKNOWN";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static inline const char *dwc3_ep0_state_string(enum dwc3_ep0_state state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	switch (state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	case EP0_UNCONNECTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		return "Unconnected";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	case EP0_SETUP_PHASE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		return "Setup Phase";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	case EP0_DATA_PHASE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		return "Data Phase";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	case EP0_STATUS_PHASE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		return "Status Phase";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		return "UNKNOWN";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)  * dwc3_gadget_event_string - returns event name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)  * @event: the event code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static inline const char *dwc3_gadget_event_string(char *str, size_t size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		const struct dwc3_event_devt *event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	enum dwc3_link_state state = event->event_info & DWC3_LINK_STATE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	switch (event->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	case DWC3_DEVICE_EVENT_DISCONNECT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		snprintf(str, size, "Disconnect: [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	case DWC3_DEVICE_EVENT_RESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		snprintf(str, size, "Reset [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	case DWC3_DEVICE_EVENT_CONNECT_DONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		snprintf(str, size, "Connection Done [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		snprintf(str, size, "Link Change [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	case DWC3_DEVICE_EVENT_WAKEUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		snprintf(str, size, "WakeUp [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	case DWC3_DEVICE_EVENT_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		snprintf(str, size, "Suspend [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	case DWC3_DEVICE_EVENT_SOF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		snprintf(str, size, "Start-Of-Frame [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		snprintf(str, size, "Erratic Error [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	case DWC3_DEVICE_EVENT_CMD_CMPL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		snprintf(str, size, "Command Complete [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	case DWC3_DEVICE_EVENT_OVERFLOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 		snprintf(str, size, "Overflow [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 				dwc3_gadget_link_string(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		snprintf(str, size, "UNKNOWN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	return str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)  * dwc3_ep_event_string - returns event name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)  * @event: then event code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static inline const char *dwc3_ep_event_string(char *str, size_t size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		const struct dwc3_event_depevt *event, u32 ep0state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	u8 epnum = event->endpoint_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	len = scnprintf(str, size, "ep%d%s: ", epnum >> 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 			(epnum & 1) ? "in" : "out");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	status = event->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	switch (event->endpoint_event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	case DWC3_DEPEVT_XFERCOMPLETE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		len += scnprintf(str + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 				"Transfer Complete (%c%c%c)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 				status & DEPEVT_STATUS_SHORT ? 'S' : 's',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 				status & DEPEVT_STATUS_IOC ? 'I' : 'i',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 				status & DEPEVT_STATUS_LST ? 'L' : 'l');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		if (epnum <= 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 			scnprintf(str + len, size - len, " [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 					dwc3_ep0_state_string(ep0state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	case DWC3_DEPEVT_XFERINPROGRESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		scnprintf(str + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 				"Transfer In Progress [%d] (%c%c%c)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 				event->parameters,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 				status & DEPEVT_STATUS_SHORT ? 'S' : 's',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 				status & DEPEVT_STATUS_IOC ? 'I' : 'i',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 				status & DEPEVT_STATUS_LST ? 'M' : 'm');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	case DWC3_DEPEVT_XFERNOTREADY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		len += scnprintf(str + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 				"Transfer Not Ready [%d]%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 				event->parameters,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 				status & DEPEVT_STATUS_TRANSFER_ACTIVE ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 				" (Active)" : " (Not Active)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 		/* Control Endpoints */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 		if (epnum <= 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 			int phase = DEPEVT_STATUS_CONTROL_PHASE(event->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 			switch (phase) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 			case DEPEVT_STATUS_CONTROL_DATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 				scnprintf(str + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 						" [Data Phase]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 			case DEPEVT_STATUS_CONTROL_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 				scnprintf(str + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 						" [Status Phase]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	case DWC3_DEPEVT_RXTXFIFOEVT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		scnprintf(str + len, size - len, "FIFO");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	case DWC3_DEPEVT_STREAMEVT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		status = event->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		switch (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		case DEPEVT_STREAMEVT_FOUND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 			scnprintf(str + len, size - len, " Stream %d Found",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 					event->parameters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		case DEPEVT_STREAMEVT_NOTFOUND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 			scnprintf(str + len, size - len, " Stream Not Found");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	case DWC3_DEPEVT_EPCMDCMPLT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		scnprintf(str + len, size - len, "Endpoint Command Complete");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		scnprintf(str + len, size - len, "UNKNOWN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	return str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)  * dwc3_gadget_event_type_string - return event name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)  * @event: the event code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) static inline const char *dwc3_gadget_event_type_string(u8 event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	case DWC3_DEVICE_EVENT_DISCONNECT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		return "Disconnect";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	case DWC3_DEVICE_EVENT_RESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 		return "Reset";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	case DWC3_DEVICE_EVENT_CONNECT_DONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 		return "Connect Done";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		return "Link Status Change";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	case DWC3_DEVICE_EVENT_WAKEUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		return "Wake-Up";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	case DWC3_DEVICE_EVENT_HIBER_REQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		return "Hibernation";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	case DWC3_DEVICE_EVENT_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 		return "Suspend";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	case DWC3_DEVICE_EVENT_SOF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		return "Start of Frame";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		return "Erratic Error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	case DWC3_DEVICE_EVENT_CMD_CMPL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 		return "Command Complete";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	case DWC3_DEVICE_EVENT_OVERFLOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 		return "Overflow";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		return "UNKNOWN";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) static inline const char *dwc3_decode_event(char *str, size_t size, u32 event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 		u32 ep0state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	union dwc3_event evt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	memcpy(&evt, &event, sizeof(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	if (evt.type.is_devspec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 		return dwc3_gadget_event_string(str, size, &evt.devt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 		return dwc3_ep_event_string(str, size, &evt.depevt, ep0state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) static inline const char *dwc3_ep_cmd_status_string(int status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	switch (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	case -ETIMEDOUT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 		return "Timed Out";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 		return "Successful";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	case DEPEVT_TRANSFER_NO_RESOURCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 		return "No Resource";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	case DEPEVT_TRANSFER_BUS_EXPIRY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 		return "Bus Expiry";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 		return "UNKNOWN";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) static inline const char *dwc3_gadget_generic_cmd_status_string(int status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	switch (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	case -ETIMEDOUT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 		return "Timed Out";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 		return "Successful";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 		return "Error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 		return "UNKNOWN";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) extern void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) extern void dwc3_debugfs_init(struct dwc3 *d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) extern void dwc3_debugfs_exit(struct dwc3 *d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) static inline void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) {  }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) static inline void dwc3_debugfs_init(struct dwc3 *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) {  }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) static inline void dwc3_debugfs_exit(struct dwc3 *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) {  }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) #endif /* __DWC3_DEBUG_H */