ALSA: hda - Re-add tracepoints to HD-audio core driver

[firefly-linux-kernel-4.4.55.git] / sound / hda / trace.h

diff --git a/sound/hda/trace.h b/sound/hda/trace.h
new file mode 100644 (file)
index 0000000..33a7eb5
--- /dev/null
+++ b/sound/hda/trace.h
@@ -0,0 +1,62 @@
+#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))
+);
+#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>