xref: /openbmc/linux/include/trace/events/v4l2.h (revision 02b4e275)
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM v4l2
3 
4 #if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_V4L2_H
6 
7 #include <linux/tracepoint.h>
8 
9 /* Enums require being exported to userspace, for user tool parsing */
10 #undef EM
11 #undef EMe
12 #define EM(a, b)	TRACE_DEFINE_ENUM(a);
13 #define EMe(a, b)	TRACE_DEFINE_ENUM(a);
14 
15 #define show_type(type)							\
16 	__print_symbolic(type, SHOW_TYPE)
17 
18 #define SHOW_TYPE							\
19 	EM( V4L2_BUF_TYPE_VIDEO_CAPTURE,	"VIDEO_CAPTURE" )	\
20 	EM( V4L2_BUF_TYPE_VIDEO_OUTPUT,		"VIDEO_OUTPUT" )	\
21 	EM( V4L2_BUF_TYPE_VIDEO_OVERLAY,	"VIDEO_OVERLAY" )	\
22 	EM( V4L2_BUF_TYPE_VBI_CAPTURE,		"VBI_CAPTURE" )		\
23 	EM( V4L2_BUF_TYPE_VBI_OUTPUT,		"VBI_OUTPUT" )		\
24 	EM( V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,   "SLICED_VBI_CAPTURE" )	\
25 	EM( V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,    "SLICED_VBI_OUTPUT" )	\
26 	EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" ) \
27 	EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
28 	EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,  "VIDEO_OUTPUT_MPLANE" )	\
29 	EM( V4L2_BUF_TYPE_SDR_CAPTURE,          "SDR_CAPTURE" )		\
30 	EMe(V4L2_BUF_TYPE_PRIVATE,		"PRIVATE" )
31 
32 SHOW_TYPE
33 
34 #define show_field(field)						\
35 	__print_symbolic(field, SHOW_FIELD)
36 
37 #define SHOW_FIELD							\
38 	EM( V4L2_FIELD_ANY,		"ANY" )				\
39 	EM( V4L2_FIELD_NONE,		"NONE" )			\
40 	EM( V4L2_FIELD_TOP,		"TOP" )				\
41 	EM( V4L2_FIELD_BOTTOM,		"BOTTOM" )			\
42 	EM( V4L2_FIELD_INTERLACED,	"INTERLACED" )			\
43 	EM( V4L2_FIELD_SEQ_TB,		"SEQ_TB" )			\
44 	EM( V4L2_FIELD_SEQ_BT,		"SEQ_BT" )			\
45 	EM( V4L2_FIELD_ALTERNATE,	"ALTERNATE" )			\
46 	EM( V4L2_FIELD_INTERLACED_TB,	"INTERLACED_TB" )		\
47 	EMe( V4L2_FIELD_INTERLACED_BT,	"INTERLACED_BT" )
48 
49 SHOW_FIELD
50 
51 /*
52  * Now redefine the EM() and EMe() macros to map the enums to the strings
53  * that will be printed in the output.
54  */
55 #undef EM
56 #undef EMe
57 #define EM(a, b)	{a, b},
58 #define EMe(a, b)	{a, b}
59 
60 /* V4L2_TC_TYPE_* are macros, not defines, they do not need processing */
61 
62 #define show_timecode_type(type)					\
63 	__print_symbolic(type,						\
64 		{ V4L2_TC_TYPE_24FPS,		"24FPS" },		\
65 		{ V4L2_TC_TYPE_25FPS,		"25FPS" },		\
66 		{ V4L2_TC_TYPE_30FPS,		"30FPS" },		\
67 		{ V4L2_TC_TYPE_50FPS,		"50FPS" },		\
68 		{ V4L2_TC_TYPE_60FPS,		"60FPS" })
69 
70 #define show_flags(flags)						      \
71 	__print_flags(flags, "|",					      \
72 		{ V4L2_BUF_FLAG_MAPPED,		     "MAPPED" },	      \
73 		{ V4L2_BUF_FLAG_QUEUED,		     "QUEUED" },	      \
74 		{ V4L2_BUF_FLAG_DONE,		     "DONE" },		      \
75 		{ V4L2_BUF_FLAG_KEYFRAME,	     "KEYFRAME" },	      \
76 		{ V4L2_BUF_FLAG_PFRAME,		     "PFRAME" },	      \
77 		{ V4L2_BUF_FLAG_BFRAME,		     "BFRAME" },	      \
78 		{ V4L2_BUF_FLAG_ERROR,		     "ERROR" },		      \
79 		{ V4L2_BUF_FLAG_TIMECODE,	     "TIMECODE" },	      \
80 		{ V4L2_BUF_FLAG_PREPARED,	     "PREPARED" },	      \
81 		{ V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
82 		{ V4L2_BUF_FLAG_NO_CACHE_CLEAN,	     "NO_CACHE_CLEAN" },      \
83 		{ V4L2_BUF_FLAG_TIMESTAMP_MASK,	     "TIMESTAMP_MASK" },      \
84 		{ V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN,   "TIMESTAMP_UNKNOWN" },   \
85 		{ V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
86 		{ V4L2_BUF_FLAG_TIMESTAMP_COPY,	     "TIMESTAMP_COPY" })
87 
88 #define show_timecode_flags(flags)					  \
89 	__print_flags(flags, "|",					  \
90 		{ V4L2_TC_FLAG_DROPFRAME,       "DROPFRAME" },		  \
91 		{ V4L2_TC_FLAG_COLORFRAME,      "COLORFRAME" },		  \
92 		{ V4L2_TC_USERBITS_USERDEFINED,	"USERBITS_USERDEFINED" }, \
93 		{ V4L2_TC_USERBITS_8BITCHARS,	"USERBITS_8BITCHARS" })
94 
95 #define V4L2_TRACE_EVENT(event_name)					\
96 	TRACE_EVENT(event_name,						\
97 		TP_PROTO(int minor, struct v4l2_buffer *buf),		\
98 									\
99 		TP_ARGS(minor, buf),					\
100 									\
101 		TP_STRUCT__entry(					\
102 			__field(int, minor)				\
103 			__field(u32, index)				\
104 			__field(u32, type)				\
105 			__field(u32, bytesused)				\
106 			__field(u32, flags)				\
107 			__field(u32, field)				\
108 			__field(s64, timestamp)				\
109 			__field(u32, timecode_type)			\
110 			__field(u32, timecode_flags)			\
111 			__field(u8, timecode_frames)			\
112 			__field(u8, timecode_seconds)			\
113 			__field(u8, timecode_minutes)			\
114 			__field(u8, timecode_hours)			\
115 			__field(u8, timecode_userbits0)			\
116 			__field(u8, timecode_userbits1)			\
117 			__field(u8, timecode_userbits2)			\
118 			__field(u8, timecode_userbits3)			\
119 			__field(u32, sequence)				\
120 		),							\
121 									\
122 		TP_fast_assign(						\
123 			__entry->minor = minor;				\
124 			__entry->index = buf->index;			\
125 			__entry->type = buf->type;			\
126 			__entry->bytesused = buf->bytesused;		\
127 			__entry->flags = buf->flags;			\
128 			__entry->field = buf->field;			\
129 			__entry->timestamp =				\
130 				timeval_to_ns(&buf->timestamp);		\
131 			__entry->timecode_type = buf->timecode.type;	\
132 			__entry->timecode_flags = buf->timecode.flags;	\
133 			__entry->timecode_frames =			\
134 				buf->timecode.frames;			\
135 			__entry->timecode_seconds =			\
136 				buf->timecode.seconds;			\
137 			__entry->timecode_minutes =			\
138 				buf->timecode.minutes;			\
139 			__entry->timecode_hours = buf->timecode.hours;	\
140 			__entry->timecode_userbits0 =			\
141 				buf->timecode.userbits[0];		\
142 			__entry->timecode_userbits1 =			\
143 				buf->timecode.userbits[1];		\
144 			__entry->timecode_userbits2 =			\
145 				buf->timecode.userbits[2];		\
146 			__entry->timecode_userbits3 =			\
147 				buf->timecode.userbits[3];		\
148 			__entry->sequence = buf->sequence;		\
149 		),							\
150 									\
151 		TP_printk("minor = %d, index = %u, type = %s, "		\
152 			  "bytesused = %u, flags = %s, "		\
153 			  "field = %s, timestamp = %llu, timecode = { "	\
154 			  "type = %s, flags = %s, frames = %u, "	\
155 			  "seconds = %u, minutes = %u, hours = %u, "	\
156 			  "userbits = { %u %u %u %u } }, "		\
157 			  "sequence = %u", __entry->minor,		\
158 			  __entry->index, show_type(__entry->type),	\
159 			  __entry->bytesused,				\
160 			  show_flags(__entry->flags),			\
161 			  show_field(__entry->field),			\
162 			  __entry->timestamp,				\
163 			  show_timecode_type(__entry->timecode_type),	\
164 			  show_timecode_flags(__entry->timecode_flags),	\
165 			  __entry->timecode_frames,			\
166 			  __entry->timecode_seconds,			\
167 			  __entry->timecode_minutes,			\
168 			  __entry->timecode_hours,			\
169 			  __entry->timecode_userbits0,			\
170 			  __entry->timecode_userbits1,			\
171 			  __entry->timecode_userbits2,			\
172 			  __entry->timecode_userbits3,			\
173 			  __entry->sequence				\
174 		)							\
175 	)
176 
177 V4L2_TRACE_EVENT(v4l2_dqbuf);
178 V4L2_TRACE_EVENT(v4l2_qbuf);
179 
180 #endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
181 
182 /* This part must be outside protection */
183 #include <trace/define_trace.h>
184