drivers/usb/typec/tipd/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Driver for TI TPS6598x USB Power Delivery controller family
   4  *
   5  * Copyright (C) 2020 Purism SPC
   6  * Author: Guido Günther <agx@sigxcpu.org>
   7  */
   8
   9 #undef TRACE_SYSTEM
  10 #define TRACE_SYSTEM tps6598x
  11
  12 #if !defined(_TPS6598X_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
  13 #define _TPS6598X_TRACE_H_
  14
  15 #include "tps6598x.h"
  16
  17 #include <linux/stringify.h>
  18 #include <linux/types.h>
  19 #include <linux/tracepoint.h>
  20
  21 #define show_irq_flags(flags) \
  22         __print_flags_u64(flags, "|", \
  23                 { TPS_REG_INT_PD_SOFT_RESET,                    "PD_SOFT_RESET" }, \
  24                 { TPS_REG_INT_HARD_RESET,                       "HARD_RESET" }, \
  25                 { TPS_REG_INT_PLUG_EVENT,                       "PLUG_EVENT" }, \
  26                 { TPS_REG_INT_PR_SWAP_COMPLETE,                 "PR_SWAP_COMPLETE" }, \
  27                 { TPS_REG_INT_DR_SWAP_COMPLETE,                 "DR_SWAP_COMPLETE" }, \
  28                 { TPS_REG_INT_RDO_RECEIVED_FROM_SINK,           "RDO_RECEIVED_FROM_SINK" }, \
  29                 { TPS_REG_INT_BIST,                             "BIST" }, \
  30                 { TPS_REG_INT_OVERCURRENT,                      "OVERCURRENT" }, \
  31                 { TPS_REG_INT_ATTENTION_RECEIVED,               "ATTENTION_RECEIVED" }, \
  32                 { TPS_REG_INT_VDM_RECEIVED,                     "VDM_RECEIVED" }, \
  33                 { TPS_REG_INT_NEW_CONTRACT_AS_CONSUMER,         "NEW_CONTRACT_AS_CONSUMER" }, \
  34                 { TPS_REG_INT_NEW_CONTRACT_AS_PROVIDER,         "NEW_CONTRACT_AS_PROVIDER" }, \
  35                 { TPS_REG_INT_SOURCE_CAP_MESSAGE_READY,         "SOURCE_CAP_MESSAGE_READY" }, \
  36                 { TPS_REG_INT_SINK_CAP_MESSAGE_READY,           "SINK_CAP_MESSAGE_READY" }, \
  37                 { TPS_REG_INT_PR_SWAP_REQUESTED,                "PR_SWAP_REQUESTED" }, \
  38                 { TPS_REG_INT_GOTO_MIN_RECEIVED,                "GOTO_MIN_RECEIVED" }, \
  39                 { TPS_REG_INT_USB_HOST_PRESENT,                 "USB_HOST_PRESENT" }, \
  40                 { TPS_REG_INT_USB_HOST_PRESENT_NO_LONGER,       "USB_HOST_PRESENT_NO_LONGER" }, \
  41                 { TPS_REG_INT_HIGH_VOLTAGE_WARNING,             "HIGH_VOLTAGE_WARNING" }, \
  42                 { TPS_REG_INT_PP_SWITCH_CHANGED,                "PP_SWITCH_CHANGED" }, \
  43                 { TPS_REG_INT_POWER_STATUS_UPDATE,              "POWER_STATUS_UPDATE" }, \
  44                 { TPS_REG_INT_DATA_STATUS_UPDATE,               "DATA_STATUS_UPDATE" }, \
  45                 { TPS_REG_INT_STATUS_UPDATE,                    "STATUS_UPDATE" }, \
  46                 { TPS_REG_INT_PD_STATUS_UPDATE,                 "PD_STATUS_UPDATE" }, \
  47                 { TPS_REG_INT_ADC_LOW_THRESHOLD,                "ADC_LOW_THRESHOLD" }, \
  48                 { TPS_REG_INT_ADC_HIGH_THRESHOLD,               "ADC_HIGH_THRESHOLD" }, \
  49                 { TPS_REG_INT_CMD1_COMPLETE,                    "CMD1_COMPLETE" }, \
  50                 { TPS_REG_INT_CMD2_COMPLETE,                    "CMD2_COMPLETE" }, \
  51                 { TPS_REG_INT_ERROR_DEVICE_INCOMPATIBLE,        "ERROR_DEVICE_INCOMPATIBLE" }, \
  52                 { TPS_REG_INT_ERROR_CANNOT_PROVIDE_PWR,         "ERROR_CANNOT_PROVIDE_PWR" }, \
  53                 { TPS_REG_INT_ERROR_CAN_PROVIDE_PWR_LATER,      "ERROR_CAN_PROVIDE_PWR_LATER" }, \
  54                 { TPS_REG_INT_ERROR_POWER_EVENT_OCCURRED,       "ERROR_POWER_EVENT_OCCURRED" }, \
  55                 { TPS_REG_INT_ERROR_MISSING_GET_CAP_MESSAGE,    "ERROR_MISSING_GET_CAP_MESSAGE" }, \
  56                 { TPS_REG_INT_ERROR_PROTOCOL_ERROR,             "ERROR_PROTOCOL_ERROR" }, \
  57                 { TPS_REG_INT_ERROR_MESSAGE_DATA,               "ERROR_MESSAGE_DATA" }, \
  58                 { TPS_REG_INT_ERROR_DISCHARGE_FAILED,           "ERROR_DISCHARGE_FAILED" }, \
  59                 { TPS_REG_INT_SRC_TRANSITION,                   "SRC_TRANSITION" }, \
  60                 { TPS_REG_INT_ERROR_UNABLE_TO_SOURCE,           "ERROR_UNABLE_TO_SOURCE" }, \
  61                 { TPS_REG_INT_VDM_ENTERED_MODE,                 "VDM_ENTERED_MODE" }, \
  62                 { TPS_REG_INT_VDM_MSG_SENT,                     "VDM_MSG_SENT" }, \
  63                 { TPS_REG_INT_DISCOVER_MODES_COMPLETE,          "DISCOVER_MODES_COMPLETE" }, \
  64                 { TPS_REG_INT_EXIT_MODES_COMPLETE,              "EXIT_MODES_COMPLETE" }, \
  65                 { TPS_REG_INT_USER_VID_ALT_MODE_ENTERED,        "USER_VID_ALT_MODE_ENTERED" }, \
  66                 { TPS_REG_INT_USER_VID_ALT_MODE_EXIT,           "USER_VID_ALT_MODE_EXIT" }, \
  67                 { TPS_REG_INT_USER_VID_ALT_MODE_ATTN_VDM,       "USER_VID_ALT_MODE_ATTN_VDM" }, \
  68                 { TPS_REG_INT_USER_VID_ALT_MODE_OTHER_VDM,      "USER_VID_ALT_MODE_OTHER_VDM" })
  69
  70 #define show_cd321x_irq_flags(flags) \
  71         __print_flags_u64(flags, "|", \
  72                 { APPLE_CD_REG_INT_PLUG_EVENT,                  "PLUG_EVENT" }, \
  73                 { APPLE_CD_REG_INT_POWER_STATUS_UPDATE,         "POWER_STATUS_UPDATE" }, \
  74                 { APPLE_CD_REG_INT_DATA_STATUS_UPDATE,          "DATA_STATUS_UPDATE" }, \
  75                 { APPLE_CD_REG_INT_STATUS_UPDATE,               "STATUS_UPDATE" })
  76
  77 #define TPS6598X_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_STATUS_CONN_STATE_MASK | \
  78                                                       TPS_STATUS_PP_5V0_SWITCH_MASK | \
  79                                                       TPS_STATUS_PP_HV_SWITCH_MASK | \
  80                                                       TPS_STATUS_PP_EXT_SWITCH_MASK | \
  81                                                       TPS_STATUS_PP_CABLE_SWITCH_MASK | \
  82                                                       TPS_STATUS_POWER_SOURCE_MASK | \
  83                                                       TPS_STATUS_VBUS_STATUS_MASK | \
  84                                                       TPS_STATUS_USB_HOST_PRESENT_MASK | \
  85                                                       TPS_STATUS_LEGACY_MASK))
  86
  87 #define show_status_conn_state(status) \
  88         __print_symbolic(TPS_STATUS_CONN_STATE((status)), \
  89                 { TPS_STATUS_CONN_STATE_CONN_WITH_R_A,  "conn-Ra"  }, \
  90                 { TPS_STATUS_CONN_STATE_CONN_NO_R_A,    "conn-no-Ra" }, \
  91                 { TPS_STATUS_CONN_STATE_NO_CONN_R_A,    "no-conn-Ra" }, \
  92                 { TPS_STATUS_CONN_STATE_DEBUG_CONN,     "debug"  }, \
  93                 { TPS_STATUS_CONN_STATE_AUDIO_CONN,     "audio"  }, \
  94                 { TPS_STATUS_CONN_STATE_DISABLED,       "disabled" }, \
  95                 { TPS_STATUS_CONN_STATE_NO_CONN,        "no-conn" })
  96
  97 #define show_status_pp_switch_state(status) \
  98         __print_symbolic(status, \
  99                 { TPS_STATUS_PP_SWITCH_STATE_IN,        "in" }, \
 100                 { TPS_STATUS_PP_SWITCH_STATE_OUT,       "out" }, \
 101                 { TPS_STATUS_PP_SWITCH_STATE_FAULT,     "fault" }, \
 102                 { TPS_STATUS_PP_SWITCH_STATE_DISABLED,  "off" })
 103
 104 #define show_status_power_sources(status) \
 105         __print_symbolic(TPS_STATUS_POWER_SOURCE(status), \
 106                 { TPS_STATUS_POWER_SOURCE_VBUS,         "vbus" }, \
 107                 { TPS_STATUS_POWER_SOURCE_VIN_3P3,      "vin-3p3" }, \
 108                 { TPS_STATUS_POWER_SOURCE_DEAD_BAT,     "dead-battery" }, \
 109                 { TPS_STATUS_POWER_SOURCE_UNKNOWN,      "unknown" })
 110
 111 #define show_status_vbus_status(status) \
 112         __print_symbolic(TPS_STATUS_VBUS_STATUS(status), \
 113                 { TPS_STATUS_VBUS_STATUS_VSAFE0V,       "vSafe0V" }, \
 114                 { TPS_STATUS_VBUS_STATUS_VSAFE5V,       "vSafe5V" }, \
 115                 { TPS_STATUS_VBUS_STATUS_PD,            "pd" }, \
 116                 { TPS_STATUS_VBUS_STATUS_FAULT,         "fault" })
 117
 118 #define show_status_usb_host_present(status) \
 119         __print_symbolic(TPS_STATUS_USB_HOST_PRESENT(status), \
 120                 { TPS_STATUS_USB_HOST_PRESENT_PD_USB,    "pd-usb" }, \
 121                 { TPS_STATUS_USB_HOST_PRESENT_NO_PD,     "no-pd" }, \
 122                 { TPS_STATUS_USB_HOST_PRESENT_PD_NO_USB, "pd-no-usb" }, \
 123                 { TPS_STATUS_USB_HOST_PRESENT_NO,        "no" })
 124
 125 #define show_status_legacy(status) \
 126         __print_symbolic(TPS_STATUS_LEGACY(status),          \
 127                 { TPS_STATUS_LEGACY_SOURCE,              "source" }, \
 128                 { TPS_STATUS_LEGACY_SINK,                "sink" }, \
 129                 { TPS_STATUS_LEGACY_NO,                  "no" })
 130
 131 #define show_status_flags(flags) \
 132         __print_flags((flags & TPS6598X_STATUS_FLAGS_MASK), "|", \
 133                       { TPS_STATUS_PLUG_PRESENT,        "PLUG_PRESENT" }, \
 134                       { TPS_STATUS_PLUG_UPSIDE_DOWN,    "UPSIDE_DOWN" }, \
 135                       { TPS_STATUS_PORTROLE,            "PORTROLE" }, \
 136                       { TPS_STATUS_DATAROLE,            "DATAROLE" }, \
 137                       { TPS_STATUS_VCONN,               "VCONN" }, \
 138                       { TPS_STATUS_OVERCURRENT,         "OVERCURRENT" }, \
 139                       { TPS_STATUS_GOTO_MIN_ACTIVE,     "GOTO_MIN_ACTIVE" }, \
 140                       { TPS_STATUS_BIST,                "BIST" }, \
 141                       { TPS_STATUS_HIGH_VOLAGE_WARNING, "HIGH_VOLAGE_WARNING" }, \
 142                       { TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING, "HIGH_LOW_VOLTAGE_WARNING" })
 143
 144 #define show_power_status_source_sink(power_status) \
 145         __print_symbolic(TPS_POWER_STATUS_SOURCESINK(power_status), \
 146                 { 1, "sink" }, \
 147                 { 0, "source" })
 148
 149 #define show_power_status_typec_status(power_status) \
 150         __print_symbolic(TPS_POWER_STATUS_PWROPMODE(power_status), \
 151                 { TPS_POWER_STATUS_TYPEC_CURRENT_PD,  "pd" }, \
 152                 { TPS_POWER_STATUS_TYPEC_CURRENT_3A0, "3.0A" }, \
 153                 { TPS_POWER_STATUS_TYPEC_CURRENT_1A5, "1.5A" }, \
 154                 { TPS_POWER_STATUS_TYPEC_CURRENT_USB, "usb" })
 155
 156 #define show_power_status_bc12_status(power_status) \
 157         __print_symbolic(TPS_POWER_STATUS_BC12_STATUS(power_status), \
 158                 { TPS_POWER_STATUS_BC12_STATUS_DCP, "dcp" }, \
 159                 { TPS_POWER_STATUS_BC12_STATUS_CDP, "cdp" }, \
 160                 { TPS_POWER_STATUS_BC12_STATUS_SDP, "sdp" })
 161
 162 #define TPS_DATA_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_DATA_STATUS_DP_PIN_ASSIGNMENT_MASK | \
 163                                                       TPS_DATA_STATUS_TBT_CABLE_SPEED_MASK | \
 164                                                       TPS_DATA_STATUS_TBT_CABLE_GEN_MASK))
 165
 166 #define show_data_status_flags(data_status) \
 167         __print_flags(data_status & TPS_DATA_STATUS_FLAGS_MASK, "|", \
 168                 { TPS_DATA_STATUS_DATA_CONNECTION,      "DATA_CONNECTION" }, \
 169                 { TPS_DATA_STATUS_UPSIDE_DOWN,          "DATA_UPSIDE_DOWN" }, \
 170                 { TPS_DATA_STATUS_ACTIVE_CABLE,         "ACTIVE_CABLE" }, \
 171                 { TPS_DATA_STATUS_USB2_CONNECTION,      "USB2_CONNECTION" }, \
 172                 { TPS_DATA_STATUS_USB3_CONNECTION,      "USB3_CONNECTION" }, \
 173                 { TPS_DATA_STATUS_USB3_GEN2,            "USB3_GEN2" }, \
 174                 { TPS_DATA_STATUS_USB_DATA_ROLE,        "USB_DATA_ROLE" }, \
 175                 { TPS_DATA_STATUS_DP_CONNECTION,        "DP_CONNECTION" }, \
 176                 { TPS_DATA_STATUS_DP_SINK,              "DP_SINK" }, \
 177                 { TPS_DATA_STATUS_TBT_CONNECTION,       "TBT_CONNECTION" }, \
 178                 { TPS_DATA_STATUS_TBT_TYPE,             "TBT_TYPE" }, \
 179                 { TPS_DATA_STATUS_OPTICAL_CABLE,        "OPTICAL_CABLE" }, \
 180                 { TPS_DATA_STATUS_ACTIVE_LINK_TRAIN,    "ACTIVE_LINK_TRAIN" }, \
 181                 { TPS_DATA_STATUS_FORCE_LSX,            "FORCE_LSX" }, \
 182                 { TPS_DATA_STATUS_POWER_MISMATCH,       "POWER_MISMATCH" })
 183
 184 #define show_data_status_dp_pin_assignment(data_status) \
 185         __print_symbolic(TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT(data_status), \
 186                 { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_E, "E" }, \
 187                 { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_F, "F" }, \
 188                 { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_C, "C" }, \
 189                 { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_D, "D" }, \
 190                 { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_A, "A" }, \
 191                 { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_B, "B" })
 192
 193 #define maybe_show_data_status_dp_pin_assignment(data_status) \
 194         (data_status & TPS_DATA_STATUS_DP_CONNECTION ? \
 195          show_data_status_dp_pin_assignment(data_status) : "")
 196
 197 TRACE_EVENT(tps6598x_irq,
 198             TP_PROTO(u64 event1,
 199                      u64 event2),
 200             TP_ARGS(event1, event2),
 201
 202             TP_STRUCT__entry(
 203                              __field(u64, event1)
 204                              __field(u64, event2)
 205                              ),
 206
 207             TP_fast_assign(
 208                            __entry->event1 = event1;
 209                            __entry->event2 = event2;
 210                            ),
 211
 212             TP_printk("event1=%s, event2=%s",
 213                       show_irq_flags(__entry->event1),
 214                       show_irq_flags(__entry->event2))
 215 );
 216
 217 TRACE_EVENT(cd321x_irq,
 218             TP_PROTO(u64 event),
 219             TP_ARGS(event),
 220
 221             TP_STRUCT__entry(
 222                              __field(u64, event)
 223                              ),
 224
 225             TP_fast_assign(
 226                            __entry->event = event;
 227                            ),
 228
 229             TP_printk("event=%s",
 230                       show_cd321x_irq_flags(__entry->event))
 231 );
 232
 233 TRACE_EVENT(tps6598x_status,
 234             TP_PROTO(u32 status),
 235             TP_ARGS(status),
 236
 237             TP_STRUCT__entry(
 238                              __field(u32, status)
 239                              ),
 240
 241             TP_fast_assign(
 242                            __entry->status = status;
 243                            ),
 244
 245             TP_printk("conn: %s, pp_5v0: %s, pp_hv: %s, pp_ext: %s, pp_cable: %s, "
 246                       "pwr-src: %s, vbus: %s, usb-host: %s, legacy: %s, flags: %s",
 247                       show_status_conn_state(__entry->status),
 248                       show_status_pp_switch_state(TPS_STATUS_PP_5V0_SWITCH(__entry->status)),
 249                       show_status_pp_switch_state(TPS_STATUS_PP_HV_SWITCH(__entry->status)),
 250                       show_status_pp_switch_state(TPS_STATUS_PP_EXT_SWITCH(__entry->status)),
 251                       show_status_pp_switch_state(TPS_STATUS_PP_CABLE_SWITCH(__entry->status)),
 252                       show_status_power_sources(__entry->status),
 253                       show_status_vbus_status(__entry->status),
 254                       show_status_usb_host_present(__entry->status),
 255                       show_status_legacy(__entry->status),
 256                       show_status_flags(__entry->status)
 257                     )
 258 );
 259
 260 TRACE_EVENT(tps6598x_power_status,
 261             TP_PROTO(u16 power_status),
 262             TP_ARGS(power_status),
 263
 264             TP_STRUCT__entry(
 265                              __field(u16, power_status)
 266                              ),
 267
 268             TP_fast_assign(
 269                            __entry->power_status = power_status;
 270                            ),
 271
 272             TP_printk("conn: %d, pwr-role: %s, typec: %s, bc: %s",
 273                       !!TPS_POWER_STATUS_CONNECTION(__entry->power_status),
 274                       show_power_status_source_sink(__entry->power_status),
 275                       show_power_status_typec_status(__entry->power_status),
 276                       show_power_status_bc12_status(__entry->power_status)
 277                     )
 278 );
 279
 280 TRACE_EVENT(tps6598x_data_status,
 281             TP_PROTO(u32 data_status),
 282             TP_ARGS(data_status),
 283
 284             TP_STRUCT__entry(
 285                              __field(u32, data_status)
 286                              ),
 287
 288             TP_fast_assign(
 289                            __entry->data_status = data_status;
 290                            ),
 291
 292             TP_printk("%s%s%s",
 293                       show_data_status_flags(__entry->data_status),
 294                       __entry->data_status & TPS_DATA_STATUS_DP_CONNECTION ? ", DP pinout " : "",
 295                       maybe_show_data_status_dp_pin_assignment(__entry->data_status)
 296                     )
 297 );
 298
 299 #endif /* _TPS6598X_TRACE_H_ */
 300
 301 /* This part must be outside protection */
 302 #undef TRACE_INCLUDE_FILE
 303 #define TRACE_INCLUDE_FILE trace
 304 #undef TRACE_INCLUDE_PATH
 305 #define TRACE_INCLUDE_PATH .
 306 #include <trace/define_trace.h>