1/*
  2 * Copyright 2018 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 * Authors: AMD
 23 *
 24 */
 25
 26#undef TRACE_SYSTEM
 27#define TRACE_SYSTEM amdgpu_dm
 28
 29#if !defined(_AMDGPU_DM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 30#define _AMDGPU_DM_TRACE_H_
 31
 32#include <linux/tracepoint.h>
 33
 34TRACE_EVENT(amdgpu_dc_rreg,
 35	TP_PROTO(unsigned long *read_count, uint32_t reg, uint32_t value),
 36	TP_ARGS(read_count, reg, value),
 37	TP_STRUCT__entry(
 38			__field(uint32_t, reg)
 39			__field(uint32_t, value)
 40		),
 41	TP_fast_assign(
 42			__entry->reg = reg;
 43			__entry->value = value;
 44			*read_count = *read_count + 1;
 45		),
 46	TP_printk("reg=0x%08lx, value=0x%08lx",
 47			(unsigned long)__entry->reg,
 48			(unsigned long)__entry->value)
 49);
 50
 51TRACE_EVENT(amdgpu_dc_wreg,
 52	TP_PROTO(unsigned long *write_count, uint32_t reg, uint32_t value),
 53	TP_ARGS(write_count, reg, value),
 54	TP_STRUCT__entry(
 55			__field(uint32_t, reg)
 56			__field(uint32_t, value)
 57		),
 58	TP_fast_assign(
 59			__entry->reg = reg;
 60			__entry->value = value;
 61			*write_count = *write_count + 1;
 62		),
 63	TP_printk("reg=0x%08lx, value=0x%08lx",
 64			(unsigned long)__entry->reg,
 65			(unsigned long)__entry->value)
 66);
 67
 68
 69TRACE_EVENT(amdgpu_dc_performance,
 70	TP_PROTO(unsigned long read_count, unsigned long write_count,
 71		unsigned long *last_read, unsigned long *last_write,
 72		const char *func, unsigned int line),
 73	TP_ARGS(read_count, write_count, last_read, last_write, func, line),
 74	TP_STRUCT__entry(
 75			__field(uint32_t, reads)
 76			__field(uint32_t, writes)
 77			__field(uint32_t, read_delta)
 78			__field(uint32_t, write_delta)
 79			__string(func, func)
 80			__field(uint32_t, line)
 81			),
 82	TP_fast_assign(
 83			__entry->reads = read_count;
 84			__entry->writes = write_count;
 85			__entry->read_delta = read_count - *last_read;
 86			__entry->write_delta = write_count - *last_write;
 87			__assign_str(func, func);
 88			__entry->line = line;
 89			*last_read = read_count;
 90			*last_write = write_count;
 91			),
 92	TP_printk("%s:%d reads=%08ld (%08ld total), writes=%08ld (%08ld total)",
 93			__get_str(func), __entry->line,
 94			(unsigned long)__entry->read_delta,
 95			(unsigned long)__entry->reads,
 96			(unsigned long)__entry->write_delta,
 97			(unsigned long)__entry->writes)
 98);
 99#endif /* _AMDGPU_DM_TRACE_H_ */
100
101#undef TRACE_INCLUDE_PATH
102#define TRACE_INCLUDE_PATH .
103#define TRACE_INCLUDE_FILE amdgpu_dm_trace
104#include <trace/define_trace.h>