include/trace/events/pwm.h

   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
  48 TRACE_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
  70 TRACE_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
  92 TRACE_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
 112 TRACE_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
 133 DECLARE_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
 161 DEFINE_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
 168 DEFINE_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>