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| author | Mark Brown <broonie@linaro.org> | 2013-06-30 15:40:03 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-06-30 15:40:03 +0400 |
| commit | 7bc8c4c37aea74332b16ffb5412a8ad355d508ce (patch) | |
| tree | ca37bdf59d25c68fe97a3894184aba79c4f1aa87 /include/linux/regmap.h | |
| parent | ad4f496b445eac30bb6ddc72599bf6dd73529cd2 (diff) | |
| parent | 539fde59ebc615bcb9af373af8947e866dc072c7 (diff) | |
| download | linux-7bc8c4c37aea74332b16ffb5412a8ad355d508ce.tar.xz | |
Merge remote-tracking branch 'regmap/topic/field' into regmap-next
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index d6f3221e29d4..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 { @@ -417,6 +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 |