diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/regmap.h | 43 | ||||
| -rw-r--r-- | include/trace/events/regmap.h | 23 |
2 files changed, 66 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 02d84e24b7c2..75981d0b57dc 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -23,6 +23,7 @@ struct irq_domain; struct spi_device; struct regmap; struct regmap_range_cfg; +struct regmap_field; /* An enum of all the supported cache types */ enum regcache_type { @@ -394,10 +395,15 @@ bool regmap_can_raw_write(struct regmap *map); int regcache_sync(struct regmap *map); int regcache_sync_region(struct regmap *map, unsigned int min, unsigned int max); +int regcache_drop_region(struct regmap *map, unsigned int min, + unsigned int max); void regcache_cache_only(struct regmap *map, bool enable); void regcache_cache_bypass(struct regmap *map, bool enable); void regcache_mark_dirty(struct regmap *map); +bool regmap_check_range_table(struct regmap *map, unsigned int reg, + const struct regmap_access_table *table); + int regmap_register_patch(struct regmap *map, const struct reg_default *regs, int num_regs); @@ -412,6 +418,36 @@ bool regmap_reg_in_ranges(unsigned int reg, unsigned int nranges); /** + * Description of an register field + * + * @reg: Offset of the register within the regmap bank + * @lsb: lsb of the register field. + * @reg: msb of the register field. + */ +struct reg_field { + unsigned int reg; + unsigned int lsb; + unsigned int msb; +}; + +#define REG_FIELD(_reg, _lsb, _msb) { \ + .reg = _reg, \ + .lsb = _lsb, \ + .msb = _msb, \ + } + +struct regmap_field *regmap_field_alloc(struct regmap *regmap, + struct reg_field reg_field); +void regmap_field_free(struct regmap_field *field); + +struct regmap_field *devm_regmap_field_alloc(struct device *dev, + struct regmap *regmap, struct reg_field reg_field); +void devm_regmap_field_free(struct device *dev, struct regmap_field *field); + +int regmap_field_read(struct regmap_field *field, unsigned int *val); +int regmap_field_write(struct regmap_field *field, unsigned int val); + +/** * Description of an IRQ for the generic regmap irq_chip. * * @reg_offset: Offset of the status/mask register within the bank @@ -562,6 +598,13 @@ static inline int regcache_sync_region(struct regmap *map, unsigned int min, return -EINVAL; } +static inline int regcache_drop_region(struct regmap *map, unsigned int min, + unsigned int max) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + static inline void regcache_cache_only(struct regmap *map, bool enable) { WARN_ONCE(1, "regmap API is disabled"); diff --git a/include/trace/events/regmap.h b/include/trace/events/regmap.h index a43a2f67bd8e..23d561512f64 100644 --- a/include/trace/events/regmap.h +++ b/include/trace/events/regmap.h @@ -223,6 +223,29 @@ DEFINE_EVENT(regmap_async, regmap_async_complete_done, ); +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 */ |
