LXR linux/drivers/input/keyboard/applespi

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * MacBook (Pro) SPI keyboard and touchpad driver
   4 *
   5 * Copyright (c) 2015-2019 Federico Lorenzi
   6 * Copyright (c) 2017-2019 Ronald Tschalär
   7 */
   8
   9#undef TRACE_SYSTEM
  10#define TRACE_SYSTEM applespi
  11
  12#if !defined(_APPLESPI_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
  13#define _APPLESPI_TRACE_H_
  14
  15#include <linux/types.h>
  16#include <linux/tracepoint.h>
  17
  18#include "applespi.h"
  19
  20DECLARE_EVENT_CLASS(dump_message_template,
  21        TP_PROTO(enum applespi_evt_type evt_type,
  22                 enum applespi_pkt_type pkt_type,
  23                 u8 *buf,
  24                 size_t len),
  25
  26        TP_ARGS(evt_type, pkt_type, buf, len),
  27
  28        TP_STRUCT__entry(
  29                __field(enum applespi_evt_type, evt_type)
  30                __field(enum applespi_pkt_type, pkt_type)
  31                __field(size_t, len)
  32                __dynamic_array(u8, buf, len)
  33        ),
  34
  35        TP_fast_assign(
  36                __entry->evt_type = evt_type;
  37                __entry->pkt_type = pkt_type;
  38                __entry->len = len;
  39                memcpy(__get_dynamic_array(buf), buf, len);
  40        ),
  41
  42        TP_printk("%-6s: %s",
  43                  __print_symbolic(__entry->pkt_type,
  44                                   { PT_READ, "read" },
  45                                   { PT_WRITE, "write" },
  46                                   { PT_STATUS, "status" }
  47                  ),
  48                  __print_hex(__get_dynamic_array(buf), __entry->len))
  49);
  50
  51#define DEFINE_DUMP_MESSAGE_EVENT(name)                 \
  52DEFINE_EVENT(dump_message_template, name,               \
  53        TP_PROTO(enum applespi_evt_type evt_type,       \
  54                 enum applespi_pkt_type pkt_type,       \
  55                 u8 *buf,                               \
  56                 size_t len),                           \
  57        TP_ARGS(evt_type, pkt_type, buf, len)           \
  58)
  59
  60DEFINE_DUMP_MESSAGE_EVENT(applespi_tp_ini_cmd);
  61DEFINE_DUMP_MESSAGE_EVENT(applespi_backlight_cmd);
  62DEFINE_DUMP_MESSAGE_EVENT(applespi_caps_lock_cmd);
  63DEFINE_DUMP_MESSAGE_EVENT(applespi_keyboard_data);
  64DEFINE_DUMP_MESSAGE_EVENT(applespi_touchpad_data);
  65DEFINE_DUMP_MESSAGE_EVENT(applespi_unknown_data);
  66DEFINE_DUMP_MESSAGE_EVENT(applespi_bad_crc);
  67
  68TRACE_EVENT(applespi_irq_received,
  69        TP_PROTO(enum applespi_evt_type evt_type,
  70                 enum applespi_pkt_type pkt_type),
  71
  72        TP_ARGS(evt_type, pkt_type),
  73
  74        TP_STRUCT__entry(
  75                __field(enum applespi_evt_type, evt_type)
  76                __field(enum applespi_pkt_type, pkt_type)
  77        ),
  78
  79        TP_fast_assign(
  80                __entry->evt_type = evt_type;
  81                __entry->pkt_type = pkt_type;
  82        ),
  83
  84        "\n"
  85);
  86
  87#endif /* _APPLESPI_TRACE_H_ */
  88
  89/* This part must be outside protection */
  90#undef TRACE_INCLUDE_PATH
  91#define TRACE_INCLUDE_PATH ../../drivers/input/keyboard
  92#define TRACE_INCLUDE_FILE applespi_trace
  93#include <trace/define_trace.h>
  94