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 Tschal��r
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