diff options
| author |   Punit Agrawal <punit.agrawal@arm.com> | 2015-06-19 15:31:46 +0100 |
|---|---|---|
| committer |   Sudeep Holla <sudeep.holla@arm.com> | 2015-10-09 11:05:52 +0100 |
| commit | 38a1bdc9ff9f6c8cfad228eac5c1ce31ce038b25 (patch) | |
| tree | 18bfb9a2c8161a624f25838a27a2adf9e74bc547 /include/linux/scpi_protocol.h | |
| parent | Documentation: add DT bindings for ARM SCPI sensors (diff) | |
| download | linux-dev-38a1bdc9ff9f6c8cfad228eac5c1ce31ce038b25.tar.xz linux-dev-38a1bdc9ff9f6c8cfad228eac5c1ce31ce038b25.zip | |
firmware: arm_scpi: Extend to support sensors
ARM System Control Processor (SCP) provides an API to query and use
the sensors available in the system. Extend the SCPI driver to support
sensor messages.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'include/linux/scpi_protocol.h')
| -rw-r--r-- | include/linux/scpi_protocol.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h index e7169cd54e19..80af3cd35ae4 100644 --- a/include/linux/scpi_protocol.h +++ b/include/linux/scpi_protocol.h @@ -28,6 +28,20 @@ struct scpi_dvfs_info { struct scpi_opp *opps; }; +enum scpi_sensor_class { + TEMPERATURE, + VOLTAGE, + CURRENT, + POWER, +}; + +struct scpi_sensor_info { + u16 sensor_id; + u8 class; + u8 trigger_type; + char name[20]; +} __packed; + /** * struct scpi_ops - represents the various operations provided * by SCP through SCPI message protocol @@ -52,6 +66,9 @@ struct scpi_ops { int (*dvfs_get_idx)(u8); int (*dvfs_set_idx)(u8, u8); struct scpi_dvfs_info *(*dvfs_get_info)(u8); + int (*sensor_get_capability)(u16 *sensors); + int (*sensor_get_info)(u16 sensor_id, struct scpi_sensor_info *); + int (*sensor_get_value)(u16, u32 *); }; #if IS_ENABLED(CONFIG_ARM_SCPI_PROTOCOL) |