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firmware: arm_scmi: Add SCMI v3.1 clock notifications

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Add SCMI v3.1 clock pre and post notifications.

Link: https://lore.kernel.org/r/20220330150551.2573938-20-cristian.marussi@arm.com
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Cristian Marussi
2022-03-30 16:05:48 +01:00
committed by Sudeep Holla
parent 71bea05797
commit 7aa75496ea
2 changed files with 142 additions and 5 deletions
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11
include/linux/scmi_protocol.h
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@@ -44,6 +44,8 @@ struct scmi_clock_info {
char name[SCMI_MAX_STR_SIZE];
unsigned int enable_latency;
bool rate_discrete;
bool rate_changed_notifications;
bool rate_change_requested_notifications;
union {
struct {
int num_rates;
@@ -744,6 +746,8 @@ void scmi_protocol_unregister(const struct scmi_protocol *proto);
/* SCMI Notification API - Custom Event Reports */
enum scmi_notification_events {
SCMI_EVENT_POWER_STATE_CHANGED = 0x0,
SCMI_EVENT_CLOCK_RATE_CHANGED = 0x0,
SCMI_EVENT_CLOCK_RATE_CHANGE_REQUESTED = 0x1,
SCMI_EVENT_PERFORMANCE_LIMITS_CHANGED = 0x0,
SCMI_EVENT_PERFORMANCE_LEVEL_CHANGED = 0x1,
SCMI_EVENT_SENSOR_TRIP_POINT_EVENT = 0x0,
@@ -760,6 +764,13 @@ struct scmi_power_state_changed_report {
unsigned int power_state;
};
struct scmi_clock_rate_notif_report {
ktime_t timestamp;
unsigned int agent_id;
unsigned int clock_id;
unsigned long long rate;
};
struct scmi_system_power_state_notifier_report {
ktime_t timestamp;
unsigned int agent_id;