Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /sound/hda/trace.h 
 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
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM hda

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

#include <linux/tracepoint.h>
#include <linux/device.h>
#include <sound/hdaudio.h>

#ifndef HDAC_MSG_MAX
#define HDAC_MSG_MAX	500
#endif

struct hdac_bus;
struct hdac_codec;

TRACE_EVENT(hda_send_cmd,
	TP_PROTO(struct hdac_bus *bus, unsigned int cmd),
	TP_ARGS(bus, cmd),
	TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
	TP_fast_assign(
		snprintf(__get_str(msg), HDAC_MSG_MAX,
			 "[%s:%d] val=0x%08x",
			 dev_name((bus)->dev), (cmd) >> 28, cmd);
	),
	TP_printk("%s", __get_str(msg))
);

TRACE_EVENT(hda_get_response,
	TP_PROTO(struct hdac_bus *bus, unsigned int addr, unsigned int res),
	TP_ARGS(bus, addr, res),
	TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
	TP_fast_assign(
		snprintf(__get_str(msg), HDAC_MSG_MAX,
			 "[%s:%d] val=0x%08x",
			 dev_name((bus)->dev), addr, res);
	),
	TP_printk("%s", __get_str(msg))
);

TRACE_EVENT(hda_unsol_event,
	TP_PROTO(struct hdac_bus *bus, u32 res, u32 res_ex),
	TP_ARGS(bus, res, res_ex),
	TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
	TP_fast_assign(
		snprintf(__get_str(msg), HDAC_MSG_MAX,
			 "[%s:%d] res=0x%08x, res_ex=0x%08x",
			 dev_name((bus)->dev), res_ex & 0x0f, res, res_ex);
	),
	TP_printk("%s", __get_str(msg))
);

DECLARE_EVENT_CLASS(hdac_stream,
	TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),

	TP_ARGS(bus, azx_dev),

	TP_STRUCT__entry(
		__field(unsigned char, stream_tag)
	),

	TP_fast_assign(
		__entry->stream_tag = (azx_dev)->stream_tag;
	),

	TP_printk("stream_tag: %d", __entry->stream_tag)
);

DEFINE_EVENT(hdac_stream, snd_hdac_stream_start,
	TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),
	TP_ARGS(bus, azx_dev)
);

DEFINE_EVENT(hdac_stream, snd_hdac_stream_stop,
	TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),
	TP_ARGS(bus, azx_dev)
);

#endif /* __HDAC_TRACE_H */

/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .

#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace

#include <trace/define_trace.h>