regmap: Add support for register indirect addressing.

[deliverable/linux.git] / drivers / base / regmap / internal.h

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index b986b8660b0c4e72da132a0a32ab2960ca99e183..80f9ab9c3aa4b7eba89b436d0dcd6a96b3623558 100644 (file)
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -95,6 +95,9 @@ struct regmap {
 
        /* if set, converts bulk rw to single rw */
        bool use_single_rw;
+
+       struct rb_root range_tree;
+       void *selector_work_buf;        /* Scratch buffer used for selector */
 };
 
 struct regcache_ops {
@@ -115,6 +118,20 @@ bool regmap_precious(struct regmap *map, unsigned int reg);
 int _regmap_write(struct regmap *map, unsigned int reg,
                  unsigned int val);
 
+struct regmap_range_node {
+       struct rb_node node;
+
+       unsigned int range_min;
+       unsigned int range_max;
+
+       unsigned int selector_reg;
+       unsigned int selector_mask;
+       int selector_shift;
+
+       unsigned int window_start;
+       unsigned int window_len;
+};
+
 #ifdef CONFIG_DEBUG_FS
 extern void regmap_debugfs_initcall(void);
 extern void regmap_debugfs_init(struct regmap *map, const char *name);