diff options
Diffstat (limited to 'include/linux/mfd/cros_ec.h')
| -rw-r--r-- | include/linux/mfd/cros_ec.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index d641a18abacb..76f7ef4d3a0d 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -109,6 +109,10 @@ struct cros_ec_command { * should check msg.result for the EC's result code. * @pkt_xfer: send packet to EC and get response * @lock: one transaction at a time + * @mkbp_event_supported: true if this EC supports the MKBP event protocol. + * @event_notifier: interrupt event notifier for transport devices. + * @event_data: raw payload transferred with the MKBP event. + * @event_size: size in bytes of the event data. */ struct cros_ec_device { @@ -137,6 +141,11 @@ struct cros_ec_device { int (*pkt_xfer)(struct cros_ec_device *ec, struct cros_ec_command *msg); struct mutex lock; + bool mkbp_event_supported; + struct blocking_notifier_head event_notifier; + + struct ec_response_get_next_event event_data; + int event_size; }; /* struct cros_ec_platform - ChromeOS EC platform information @@ -269,6 +278,15 @@ int cros_ec_register(struct cros_ec_device *ec_dev); */ int cros_ec_query_all(struct cros_ec_device *ec_dev); +/** + * cros_ec_get_next_event - Fetch next event from the ChromeOS EC + * + * @ec_dev: Device to fetch event from + * + * Returns: 0 on success, Linux error number on failure + */ +int cros_ec_get_next_event(struct cros_ec_device *ec_dev); + /* sysfs stuff */ extern struct attribute_group cros_ec_attr_group; extern struct attribute_group cros_ec_lightbar_attr_group; |