linux/include/trace/events/regmap.h
Mark Brown 697e85bc6a regmap: Add support for discarding parts of the register cache
Allow drivers to discard parts of the register cache, for example if part
of the hardware has been reset.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-05-12 18:46:47 +04:00

253 lines
4.4 KiB
C

#undef TRACE_SYSTEM
#define TRACE_SYSTEM regmap
#if !defined(_TRACE_REGMAP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_REGMAP_H
#include <linux/ktime.h>
#include <linux/tracepoint.h>
struct device;
struct regmap;
/*
* Log register events
*/
DECLARE_EVENT_CLASS(regmap_reg,
TP_PROTO(struct device *dev, unsigned int reg,
unsigned int val),
TP_ARGS(dev, reg, val),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
__field( unsigned int, reg )
__field( unsigned int, val )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->reg = reg;
__entry->val = val;
),
TP_printk("%s reg=%x val=%x", __get_str(name),
(unsigned int)__entry->reg,
(unsigned int)__entry->val)
);
DEFINE_EVENT(regmap_reg, regmap_reg_write,
TP_PROTO(struct device *dev, unsigned int reg,
unsigned int val),
TP_ARGS(dev, reg, val)
);
DEFINE_EVENT(regmap_reg, regmap_reg_read,
TP_PROTO(struct device *dev, unsigned int reg,
unsigned int val),
TP_ARGS(dev, reg, val)
);
DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,
TP_PROTO(struct device *dev, unsigned int reg,
unsigned int val),
TP_ARGS(dev, reg, val)
);
DECLARE_EVENT_CLASS(regmap_block,
TP_PROTO(struct device *dev, unsigned int reg, int count),
TP_ARGS(dev, reg, count),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
__field( unsigned int, reg )
__field( int, count )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->reg = reg;
__entry->count = count;
),
TP_printk("%s reg=%x count=%d", __get_str(name),
(unsigned int)__entry->reg,
(int)__entry->count)
);
DEFINE_EVENT(regmap_block, regmap_hw_read_start,
TP_PROTO(struct device *dev, unsigned int reg, int count),
TP_ARGS(dev, reg, count)
);
DEFINE_EVENT(regmap_block, regmap_hw_read_done,
TP_PROTO(struct device *dev, unsigned int reg, int count),
TP_ARGS(dev, reg, count)
);
DEFINE_EVENT(regmap_block, regmap_hw_write_start,
TP_PROTO(struct device *dev, unsigned int reg, int count),
TP_ARGS(dev, reg, count)
);
DEFINE_EVENT(regmap_block, regmap_hw_write_done,
TP_PROTO(struct device *dev, unsigned int reg, int count),
TP_ARGS(dev, reg, count)
);
TRACE_EVENT(regcache_sync,
TP_PROTO(struct device *dev, const char *type,
const char *status),
TP_ARGS(dev, type, status),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
__string( status, status )
__string( type, type )
__field( int, type )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__assign_str(status, status);
__assign_str(type, type);
),
TP_printk("%s type=%s status=%s", __get_str(name),
__get_str(type), __get_str(status))
);
DECLARE_EVENT_CLASS(regmap_bool,
TP_PROTO(struct device *dev, bool flag),
TP_ARGS(dev, flag),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
__field( int, flag )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->flag = flag;
),
TP_printk("%s flag=%d", __get_str(name),
(int)__entry->flag)
);
DEFINE_EVENT(regmap_bool, regmap_cache_only,
TP_PROTO(struct device *dev, bool flag),
TP_ARGS(dev, flag)
);
DEFINE_EVENT(regmap_bool, regmap_cache_bypass,
TP_PROTO(struct device *dev, bool flag),
TP_ARGS(dev, flag)
);
DECLARE_EVENT_CLASS(regmap_async,
TP_PROTO(struct device *dev),
TP_ARGS(dev),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
),
TP_printk("%s", __get_str(name))
);
DEFINE_EVENT(regmap_block, regmap_async_write_start,
TP_PROTO(struct device *dev, unsigned int reg, int count),
TP_ARGS(dev, reg, count)
);
DEFINE_EVENT(regmap_async, regmap_async_io_complete,
TP_PROTO(struct device *dev),
TP_ARGS(dev)
);
DEFINE_EVENT(regmap_async, regmap_async_complete_start,
TP_PROTO(struct device *dev),
TP_ARGS(dev)
);
DEFINE_EVENT(regmap_async, regmap_async_complete_done,
TP_PROTO(struct device *dev),
TP_ARGS(dev)
);
TRACE_EVENT(regcache_drop_region,
TP_PROTO(struct device *dev, unsigned int from,
unsigned int to),
TP_ARGS(dev, from, to),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
__field( unsigned int, from )
__field( unsigned int, to )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->from = from;
__entry->to = to;
),
TP_printk("%s %u-%u", __get_str(name), (unsigned int)__entry->from,
(unsigned int)__entry->to)
);
#endif /* _TRACE_REGMAP_H */
/* This part must be outside protection */
#include <trace/define_trace.h>