pwm.h 3.8 KB

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