diff options
| author | Sivaram Nair <sivaramn@nvidia.com> | 2012-07-03 17:20:58 +0300 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 12:14:00 -0700 |
| commit | 95f6f43a8eece60d02d436befead82ec3ef77cee (patch) | |
| tree | dfd69872a7b287d9477f23bcb09abd1a207f4325 /include/linux/edp.h | |
| parent | 288da18e51afc578cff94b2bebb6f6db6a7afa4d (diff) | |
pm: EDP: adding client registration
This patch adds client registration functionality to the existing EDP
framework.
Bug ID: 917926
Change-Id: I8c9fbe3e1d934a6d95745f3c3933df4c1cbea4e7
Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Reviewed-on: http://git-master/r/115706
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Matthew Longnecker <mlongnecker@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Bo Yan <byan@nvidia.com>
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Rebase-Id: Rd2edd8e79be5515b38ed35a7e9a9c8e135ba002f
Diffstat (limited to 'include/linux/edp.h')
| -rw-r--r-- | include/linux/edp.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/include/linux/edp.h b/include/linux/edp.h index 1f4c12d3e61d..6d31123f4d6e 100644 --- a/include/linux/edp.h +++ b/include/linux/edp.h @@ -26,17 +26,40 @@ struct edp_manager { const char name[EDP_NAME_LEN]; - const unsigned int max_current; + const unsigned int imax; /* internal */ struct list_head link; + struct list_head clients; bool registered; }; +/* + * @states: EDP state array holding the IMAX for each state. + * This must be sorted in descending order. + * @num_states: length of the above array + * @e0_index: index of the E0 state in the above array + * Note that each EDP client is tied to a single EDP manager + */ +struct edp_client { + const char name[EDP_NAME_LEN]; + const unsigned int *const states; + const unsigned int num_states; + const unsigned int e0_index; + + /* internal */ + struct list_head link; + struct edp_manager *manager; +}; + #ifdef CONFIG_EDP_FRAMEWORK extern int edp_register_manager(struct edp_manager *mgr); extern int edp_unregister_manager(struct edp_manager *mgr); extern struct edp_manager *edp_get_manager(const char *name); + +extern int edp_register_client(struct edp_manager *mgr, + struct edp_client *client); +extern int edp_unregister_client(struct edp_client *client); #else static inline int edp_register_manager(struct edp_manager *mgr) { return -ENODEV; } @@ -44,6 +67,11 @@ static inline int edp_unregister_manager(struct edp_manager *mgr) { return -ENODEV; } static inline struct edp_manager *edp_get_manager(const char *name) { return NULL; } +static inline int edp_register_client(struct edp_manager *mgr, + struct edp_client *client) +{ return -ENODEV; } +static inline int edp_unregister_client(struct edp_client *client) +{ return -ENODEV; } #endif #endif |