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

source code of linux/drivers/input/keyboard/applespi_trace.h