summaryrefslogtreecommitdiff
path: root/include/linux/nvmem-consumer.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/nvmem-consumer.h')
-rw-r--r--include/linux/nvmem-consumer.h62
1 files changed, 53 insertions, 9 deletions
diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
index 312bfa5efd80..34c0e58dfa26 100644
--- a/include/linux/nvmem-consumer.h
+++ b/include/linux/nvmem-consumer.h
@@ -18,14 +18,7 @@ struct device_node;
/* consumer cookie */
struct nvmem_cell;
struct nvmem_device;
-
-struct nvmem_cell_info {
- const char *name;
- unsigned int offset;
- unsigned int bytes;
- unsigned int bit_offset;
- unsigned int nbits;
-};
+struct nvmem_cell_info;
/**
* struct nvmem_cell_lookup - cell lookup entry
@@ -50,6 +43,8 @@ enum {
NVMEM_REMOVE,
NVMEM_CELL_ADD,
NVMEM_CELL_REMOVE,
+ NVMEM_LAYOUT_ADD,
+ NVMEM_LAYOUT_REMOVE,
};
#if IS_ENABLED(CONFIG_NVMEM)
@@ -61,7 +56,14 @@ void nvmem_cell_put(struct nvmem_cell *cell);
void devm_nvmem_cell_put(struct device *dev, struct nvmem_cell *cell);
void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len);
int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len);
+int nvmem_cell_read_u8(struct device *dev, const char *cell_id, u8 *val);
+int nvmem_cell_read_u16(struct device *dev, const char *cell_id, u16 *val);
int nvmem_cell_read_u32(struct device *dev, const char *cell_id, u32 *val);
+int nvmem_cell_read_u64(struct device *dev, const char *cell_id, u64 *val);
+int nvmem_cell_read_variable_le_u32(struct device *dev, const char *cell_id,
+ u32 *val);
+int nvmem_cell_read_variable_le_u64(struct device *dev, const char *cell_id,
+ u64 *val);
/* direct nvmem device read/write interface */
struct nvmem_device *nvmem_device_get(struct device *dev, const char *name);
@@ -79,6 +81,7 @@ int nvmem_device_cell_write(struct nvmem_device *nvmem,
struct nvmem_cell_info *info, void *buf);
const char *nvmem_dev_name(struct nvmem_device *nvmem);
+size_t nvmem_dev_size(struct nvmem_device *nvmem);
void nvmem_add_cell_lookups(struct nvmem_cell_lookup *entries,
size_t nentries);
@@ -88,6 +91,9 @@ void nvmem_del_cell_lookups(struct nvmem_cell_lookup *entries,
int nvmem_register_notifier(struct notifier_block *nb);
int nvmem_unregister_notifier(struct notifier_block *nb);
+struct nvmem_device *nvmem_device_find(void *data,
+ int (*match)(struct device *dev, const void *data));
+
#else
static inline struct nvmem_cell *nvmem_cell_get(struct device *dev,
@@ -117,7 +123,19 @@ static inline void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
}
static inline int nvmem_cell_write(struct nvmem_cell *cell,
- const char *buf, size_t len)
+ void *buf, size_t len)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int nvmem_cell_read_u8(struct device *dev,
+ const char *cell_id, u8 *val)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int nvmem_cell_read_u16(struct device *dev,
+ const char *cell_id, u16 *val)
{
return -EOPNOTSUPP;
}
@@ -128,6 +146,26 @@ static inline int nvmem_cell_read_u32(struct device *dev,
return -EOPNOTSUPP;
}
+static inline int nvmem_cell_read_u64(struct device *dev,
+ const char *cell_id, u64 *val)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int nvmem_cell_read_variable_le_u32(struct device *dev,
+ const char *cell_id,
+ u32 *val)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int nvmem_cell_read_variable_le_u64(struct device *dev,
+ const char *cell_id,
+ u64 *val)
+{
+ return -EOPNOTSUPP;
+}
+
static inline struct nvmem_device *nvmem_device_get(struct device *dev,
const char *name)
{
@@ -197,6 +235,12 @@ static inline int nvmem_unregister_notifier(struct notifier_block *nb)
return -EOPNOTSUPP;
}
+static inline struct nvmem_device *nvmem_device_find(void *data,
+ int (*match)(struct device *dev, const void *data))
+{
+ return NULL;
+}
+
#endif /* CONFIG_NVMEM */
#if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF)