summaryrefslogtreecommitdiffstats
path: root/include/trace/events/pwm.h
blob: 8ba898fd335c465cad83b394d9b60f92899a0222 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
/* SPDX-License-Identifier: GPL-2.0-or-later */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM pwm

#if !defined(_TRACE_PWM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_PWM_H

#include <linux/pwm.h>
#include <linux/tracepoint.h>

#define TP_PROTO_pwm(args...)							\
	TP_PROTO(struct pwm_device *pwm, args)

#define TP_ARGS_pwm(args...)							\
	TP_ARGS(pwm, args)

#define TP_STRUCT__entry_pwm(args...)						\
	TP_STRUCT__entry(							\
		__field(unsigned int, chipid)					\
		__field(unsigned int, hwpwm)					\
		args)

#define TP_fast_assign_pwm(args...)						\
	TP_fast_assign(								\
		__entry->chipid = pwm->chip->id;				\
		__entry->hwpwm = pwm->hwpwm;					\
		args)

#define TP_printk_pwm(fmt, args...)						\
	TP_printk("pwmchip%u.%u: " fmt, __entry->chipid, __entry->hwpwm, args)

#define __field_pwmwf(wf)							\
	__field(u64, wf ## _period_length_ns)					\
	__field(u64, wf ## _duty_length_ns)					\
	__field(u64, wf ## _duty_offset_ns)					\

#define fast_assign_pwmwf(wf)							\
	__entry->wf ## _period_length_ns = wf->period_length_ns;		\
	__entry->wf ## _duty_length_ns = wf->duty_length_ns;			\
	__entry->wf ## _duty_offset_ns = wf->duty_offset_ns

#define printk_pwmwf_format(wf)							\
	"%lld/%lld [+%lld]"

#define printk_pwmwf_formatargs(wf)						\
	__entry->wf ## _duty_length_ns, __entry->wf ## _period_length_ns, __entry->wf ## _duty_offset_ns

TRACE_EVENT(pwm_round_waveform_tohw,

	TP_PROTO_pwm(const struct pwm_waveform *wf, void *wfhw, int err),

	TP_ARGS_pwm(wf, wfhw, err),

	TP_STRUCT__entry_pwm(
		__field_pwmwf(wf)
		__field(void *, wfhw)
		__field(int, err)
	),

	TP_fast_assign_pwm(
		fast_assign_pwmwf(wf);
		__entry->wfhw = wfhw;
		__entry->err = err;
	),

	TP_printk_pwm(printk_pwmwf_format(wf) " > %p err=%d",
		printk_pwmwf_formatargs(wf), __entry->wfhw, __entry->err)
);

TRACE_EVENT(pwm_round_waveform_fromhw,

	TP_PROTO_pwm(const void *wfhw, struct pwm_waveform *wf, int err),

	TP_ARGS_pwm(wfhw, wf, err),

	TP_STRUCT__entry_pwm(
		__field(const void *, wfhw)
		__field_pwmwf(wf)
		__field(int, err)
	),

	TP_fast_assign_pwm(
		__entry->wfhw = wfhw;
		fast_assign_pwmwf(wf);
		__entry->err = err;
	),

	TP_printk_pwm("%p > " printk_pwmwf_format(wf) " err=%d",
		__entry->wfhw, printk_pwmwf_formatargs(wf), __entry->err)
);

TRACE_EVENT(pwm_read_waveform,

	TP_PROTO_pwm(void *wfhw, int err),

	TP_ARGS_pwm(wfhw, err),

	TP_STRUCT__entry_pwm(
		__field(void *, wfhw)
		__field(int, err)
	),

	TP_fast_assign_pwm(
		__entry->wfhw = wfhw;
		__entry->err = err;
	),

	TP_printk_pwm("%p err=%d",
		__entry->wfhw, __entry->err)
);

TRACE_EVENT(pwm_write_waveform,

	TP_PROTO_pwm(const void *wfhw, int err),

	TP_ARGS_pwm(wfhw, err),

	TP_STRUCT__entry_pwm(
		__field(const void *, wfhw)
		__field(int, err)
	),

	TP_fast_assign_pwm(
		__entry->wfhw = wfhw;
		__entry->err = err;
	),

	TP_printk_pwm("%p err=%d",
		__entry->wfhw, __entry->err)
);


DECLARE_EVENT_CLASS(pwm,

	TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err),

	TP_ARGS(pwm, state, err),

	TP_STRUCT__entry_pwm(
		__field(u64, period)
		__field(u64, duty_cycle)
		__field(enum pwm_polarity, polarity)
		__field(bool, enabled)
		__field(int, err)
	),

	TP_fast_assign_pwm(
		__entry->period = state->period;
		__entry->duty_cycle = state->duty_cycle;
		__entry->polarity = state->polarity;
		__entry->enabled = state->enabled;
		__entry->err = err;
	),

	TP_printk_pwm("period=%llu duty_cycle=%llu polarity=%d enabled=%d err=%d",
		  __entry->period, __entry->duty_cycle,
		  __entry->polarity, __entry->enabled, __entry->err)

);

DEFINE_EVENT(pwm, pwm_apply,

	TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err),

	TP_ARGS(pwm, state, err)
);

DEFINE_EVENT(pwm, pwm_get,

	TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err),

	TP_ARGS(pwm, state, err)
);

#endif /* _TRACE_PWM_H */

/* This part must be outside protection */
#include <trace/define_trace.h>