diff options
| author | Juan Gutierrez <jgutierrez@ti.com> | 2012-07-19 17:48:36 -0500 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2012-09-07 13:05:38 +0800 |
| commit | f37713fa4dfed356689ef21124d823591db2b4a0 (patch) | |
| tree | a232cf4b5c5acbfb1e9a901855c95284e05848f6 /include | |
| parent | 46773688add33caceda39062fc1cc358b4c93331 (diff) | |
rpmsg: resmgr: support resource-data request from rproc
Support data request from remote processor. Currently only
maximum frequency query is available for ivahd, iss and fdif.
Change-Id: I9bc19f2a299e5756648b0e38aae25e7ce4ac6b02
Signed-off-by: Juan Gutierrez <jgutierrez@ti.com>
Signed-off-by: Paul Hunt <hunt@ti.com>
Signed-off-by: Fernando Guzman Lugo <fernando.lugo@ti.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/rpmsg_resmgr.h | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/include/linux/rpmsg_resmgr.h b/include/linux/rpmsg_resmgr.h index f0f54db9ec9b..4374671c0869 100644 --- a/include/linux/rpmsg_resmgr.h +++ b/include/linux/rpmsg_resmgr.h @@ -50,6 +50,7 @@ enum rprm_action { RPRM_RELEASE = 3, RPRM_SET_CONSTRAINTS = 4, RPRM_CLEAR_CONSTRAINTS = 5, + RPRM_REQ_DATA = 6, }; /* @@ -65,14 +66,24 @@ enum rprm_constraint_type { RPRM_BANDWIDTH = 0x4, }; +/* + * enum rprm_request_data_type - RPMSG request data types + * @RPRM_MAX_FREQ: request maximum frequency + * + */ +enum rprm_request_data_type { + RPRM_MAX_FREQ = 0, +}; + /** * struct rprm_res_ops - resource-specific device operations - * @start: request a resource - * @stop: release a resource - * @get_info: get properties of the resource into a buffer - * @scale: set a scale constraint - * @latency: set a latency constraint - * @bandwidth: set a bandwidth constraint + * @start: request a resource + * @stop: release a resource + * @get_info: get properties of the resource into a buffer + * @scale: set a scale constraint + * @latency: set a latency constraint + * @bandwidth: set a bandwidth constraint + * @get_max_freq: get the maximum frequency of the resuource */ struct rprm_res_ops { int (*request)(void **handle, void *args, size_t len); @@ -81,6 +92,7 @@ struct rprm_res_ops { int (*scale)(struct device *rdev, void *handle, unsigned long val); int (*latency)(struct device *rdev, void *handle, unsigned long val); int (*bandwidth)(struct device *rdev, void *handle, unsigned long val); + unsigned long (*get_max_freq)(void *handle); }; /** @@ -140,6 +152,18 @@ struct rprm_constraint { } __packed; /** + * struct rprm_constraint - header of a constraint action + * @res_id: id of the resource + * @type: type of requested data + * @data: pointer to get the requested data + */ +struct rprm_request_data { + u32 res_id; + u32 type; + char data[]; +} __packed; + +/** * struct rprm_msg - header for all the actions * @action: action requested * @data: addition information depending on @action |