struct module;
struct i2c_client;
struct spi_device;
+struct regmap;
/* An enum of all the supported cache types */
enum regcache_type {
unsigned int def;
};
+#ifdef CONFIG_REGMAP
+
/**
* Configuration for the register map of a device.
*
* @reg_bits: Number of bits in a register address, mandatory.
+ * @pad_bits: Number of bits of padding between register and value.
* @val_bits: Number of bits in a register value, mandatory.
*
* @writeable_reg: Optional callback returning true if the register
*/
struct regmap_config {
int reg_bits;
+ int pad_bits;
int val_bits;
bool (*writeable_reg)(struct device *dev, unsigned int reg);
void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data);
+#else
+
+/*
+ * These stubs should only ever be called by generic code which has
+ * regmap based facilities, if they ever get called at runtime
+ * something is going wrong and something probably needs to select
+ * REGMAP.
+ */
+
+static inline int regmap_write(struct regmap *map, unsigned int reg,
+ unsigned int val)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_raw_write(struct regmap *map, unsigned int reg,
+ const void *val, size_t val_len)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_bulk_write(struct regmap *map, unsigned int reg,
+ const void *val, size_t val_count)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_read(struct regmap *map, unsigned int reg,
+ unsigned int *val)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_raw_read(struct regmap *map, unsigned int reg,
+ void *val, size_t val_len)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_bulk_read(struct regmap *map, unsigned int reg,
+ void *val, size_t val_count)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_update_bits(struct regmap *map, unsigned int reg,
+ unsigned int mask, unsigned int val)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_update_bits_check(struct regmap *map,
+ unsigned int reg,
+ unsigned int mask, unsigned int val,
+ bool *change)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_get_val_bytes(struct regmap *map)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regcache_sync(struct regmap *map)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regcache_sync_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");
+}
+
+static inline void regcache_cache_bypass(struct regmap *map, bool enable)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+}
+
+static inline void regcache_mark_dirty(struct regmap *map)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+}
+
+static inline int regmap_register_patch(struct regmap *map,
+ const struct reg_default *regs,
+ int num_regs)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+#endif
+
#endif