1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2#undef TRACE_SYSTEM
  3#define TRACE_SYSTEM pwm
  4
  5#if !defined(_TRACE_PWM_H) || defined(TRACE_HEADER_MULTI_READ)
  6#define _TRACE_PWM_H
  7
  8#include <linux/pwm.h>
  9#include <linux/tracepoint.h>
 10
 11#define TP_PROTO_pwm(args...)							\
 12	TP_PROTO(struct pwm_device *pwm, args)
 13
 14#define TP_ARGS_pwm(args...)							\
 15	TP_ARGS(pwm, args)
 16
 17#define TP_STRUCT__entry_pwm(args...)						\
 18	TP_STRUCT__entry(							\
 19		__field(unsigned int, chipid)					\
 20		__field(unsigned int, hwpwm)					\
 21		args)
 22
 23#define TP_fast_assign_pwm(args...)						\
 24	TP_fast_assign(								\
 25		__entry->chipid = pwm->chip->id;				\
 26		__entry->hwpwm = pwm->hwpwm;					\
 27		args)
 28
 29#define TP_printk_pwm(fmt, args...)						\
 30	TP_printk("pwmchip%u.%u: " fmt, __entry->chipid, __entry->hwpwm, args)
 31
 32#define __field_pwmwf(wf)							\
 33	__field(u64, wf ## _period_length_ns)					\
 34	__field(u64, wf ## _duty_length_ns)					\
 35	__field(u64, wf ## _duty_offset_ns)					\
 36
 37#define fast_assign_pwmwf(wf)							\
 38	__entry->wf ## _period_length_ns = wf->period_length_ns;		\
 39	__entry->wf ## _duty_length_ns = wf->duty_length_ns;			\
 40	__entry->wf ## _duty_offset_ns = wf->duty_offset_ns
 41
 42#define printk_pwmwf_format(wf)							\
 43	"%lld/%lld [+%lld]"
 44
 45#define printk_pwmwf_formatargs(wf)						\
 46	__entry->wf ## _duty_length_ns, __entry->wf ## _period_length_ns, __entry->wf ## _duty_offset_ns
 47
 48TRACE_EVENT(pwm_round_waveform_tohw,
 49
 50	TP_PROTO_pwm(const struct pwm_waveform *wf, void *wfhw, int err),
 51
 52	TP_ARGS_pwm(wf, wfhw, err),
 53
 54	TP_STRUCT__entry_pwm(
 55		__field_pwmwf(wf)
 56		__field(void *, wfhw)
 57		__field(int, err)
 58	),
 59
 60	TP_fast_assign_pwm(
 61		fast_assign_pwmwf(wf);
 62		__entry->wfhw = wfhw;
 63		__entry->err = err;
 64	),
 65
 66	TP_printk_pwm(printk_pwmwf_format(wf) " > %p err=%d",
 67		printk_pwmwf_formatargs(wf), __entry->wfhw, __entry->err)
 68);
 69
 70TRACE_EVENT(pwm_round_waveform_fromhw,
 71
 72	TP_PROTO_pwm(const void *wfhw, struct pwm_waveform *wf, int err),
 73
 74	TP_ARGS_pwm(wfhw, wf, err),
 75
 76	TP_STRUCT__entry_pwm(
 77		__field(const void *, wfhw)
 78		__field_pwmwf(wf)
 79		__field(int, err)
 80	),
 81
 82	TP_fast_assign_pwm(
 83		__entry->wfhw = wfhw;
 84		fast_assign_pwmwf(wf);
 85		__entry->err = err;
 86	),
 87
 88	TP_printk_pwm("%p > " printk_pwmwf_format(wf) " err=%d",
 89		__entry->wfhw, printk_pwmwf_formatargs(wf), __entry->err)
 90);
 91
 92TRACE_EVENT(pwm_read_waveform,
 93
 94	TP_PROTO_pwm(void *wfhw, int err),
 95
 96	TP_ARGS_pwm(wfhw, err),
 97
 98	TP_STRUCT__entry_pwm(
 99		__field(void *, wfhw)
100		__field(int, err)
101	),
102
103	TP_fast_assign_pwm(
104		__entry->wfhw = wfhw;
105		__entry->err = err;
106	),
107
108	TP_printk_pwm("%p err=%d",
109		__entry->wfhw, __entry->err)
110);
111
112TRACE_EVENT(pwm_write_waveform,
113
114	TP_PROTO_pwm(const void *wfhw, int err),
115
116	TP_ARGS_pwm(wfhw, err),
117
118	TP_STRUCT__entry_pwm(
119		__field(const void *, wfhw)
120		__field(int, err)
121	),
122
123	TP_fast_assign_pwm(
124		__entry->wfhw = wfhw;
125		__entry->err = err;
126	),
127
128	TP_printk_pwm("%p err=%d",
129		__entry->wfhw, __entry->err)
130);
131
132
133DECLARE_EVENT_CLASS(pwm,
134
135	TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err),
136
137	TP_ARGS(pwm, state, err),
138
139	TP_STRUCT__entry_pwm(
140		__field(u64, period)
141		__field(u64, duty_cycle)
142		__field(enum pwm_polarity, polarity)
143		__field(bool, enabled)
144		__field(int, err)
145	),
146
147	TP_fast_assign_pwm(
148		__entry->period = state->period;
149		__entry->duty_cycle = state->duty_cycle;
150		__entry->polarity = state->polarity;
151		__entry->enabled = state->enabled;
152		__entry->err = err;
153	),
154
155	TP_printk_pwm("period=%llu duty_cycle=%llu polarity=%d enabled=%d err=%d",
156		  __entry->period, __entry->duty_cycle,
157		  __entry->polarity, __entry->enabled, __entry->err)
158
159);
160
161DEFINE_EVENT(pwm, pwm_apply,
162
163	TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err),
164
165	TP_ARGS(pwm, state, err)
166);
167
168DEFINE_EVENT(pwm, pwm_get,
169
170	TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err),
171
172	TP_ARGS(pwm, state, err)
173);
174
175#endif /* _TRACE_PWM_H */
176
177/* This part must be outside protection */
178#include <trace/define_trace.h>