diff options
Diffstat (limited to 'drivers/base/regmap/internal.h')
-rw-r--r-- | drivers/base/regmap/internal.h | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index 80f9ab9c3aa4..5a22bd33ce3d 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -15,10 +15,20 @@ #include <linux/regmap.h> #include <linux/fs.h> +#include <linux/list.h> +#include <linux/wait.h> struct regmap; struct regcache_ops; +struct regmap_debugfs_off_cache { + struct list_head list; + off_t min; + off_t max; + unsigned int base_reg; + unsigned int max_reg; +}; + struct regmap_format { size_t buf_size; size_t reg_bytes; @@ -31,14 +41,19 @@ struct regmap_format { unsigned int (*parse_val)(void *buf); }; -typedef void (*regmap_lock)(struct regmap *map); -typedef void (*regmap_unlock)(struct regmap *map); +struct regmap_async { + struct list_head list; + struct work_struct cleanup; + struct regmap *map; + void *work_buf; +}; struct regmap { struct mutex mutex; spinlock_t spinlock; regmap_lock lock; regmap_unlock unlock; + void *lock_arg; /* This is passed to lock/unlock functions */ struct device *dev; /* Device we do I/O on */ void *work_buf; /* Scratch buffer used to format I/O */ @@ -47,9 +62,20 @@ struct regmap { void *bus_context; const char *name; + spinlock_t async_lock; + wait_queue_head_t async_waitq; + struct list_head async_list; + int async_ret; + #ifdef CONFIG_DEBUG_FS struct dentry *debugfs; const char *debugfs_name; + + unsigned int debugfs_reg_len; + unsigned int debugfs_val_len; + unsigned int debugfs_tot_len; + + struct list_head debugfs_off_cache; #endif unsigned int max_register; @@ -57,6 +83,15 @@ struct regmap { bool (*readable_reg)(struct device *dev, unsigned int reg); bool (*volatile_reg)(struct device *dev, unsigned int reg); bool (*precious_reg)(struct device *dev, unsigned int reg); + const struct regmap_access_table *wr_table; + const struct regmap_access_table *rd_table; + const struct regmap_access_table *volatile_table; + const struct regmap_access_table *precious_table; + + int (*reg_read)(void *context, unsigned int reg, unsigned int *val); + int (*reg_write)(void *context, unsigned int reg, unsigned int val); + + bool defer_caching; u8 read_flag_mask; u8 write_flag_mask; @@ -120,6 +155,8 @@ int _regmap_write(struct regmap *map, unsigned int reg, struct regmap_range_node { struct rb_node node; + const char *name; + struct regmap *map; unsigned int range_min; unsigned int range_max; @@ -157,7 +194,10 @@ bool regcache_set_val(void *base, unsigned int idx, unsigned int val, unsigned int word_size); int regcache_lookup_reg(struct regmap *map, unsigned int reg); +void regmap_async_complete_cb(struct regmap_async *async, int ret); + extern struct regcache_ops regcache_rbtree_ops; extern struct regcache_ops regcache_lzo_ops; +extern struct regcache_ops regcache_flat_ops; #endif |