| /* |
| * Greybus AP <-> SVC message structure format. |
| * |
| * See "Greybus Application Protocol" document (version 0.1) for |
| * details on these values and structures. |
| * |
| * Copyright 2014 Google Inc. |
| * Copyright 2014 Linaro Ltd. |
| * |
| * Released under the GPLv2 and BSD license. |
| */ |
| |
| #ifndef __SVC_MSG_H |
| #define __SVC_MSG_H |
| |
| enum svc_function_id { |
| SVC_FUNCTION_HANDSHAKE = 0x00, |
| SVC_FUNCTION_UNIPRO_NETWORK_MANAGEMENT = 0x01, |
| SVC_FUNCTION_HOTPLUG = 0x02, |
| SVC_FUNCTION_POWER = 0x03, |
| SVC_FUNCTION_EPM = 0x04, |
| SVC_FUNCTION_SUSPEND = 0x05, |
| }; |
| |
| enum svc_msg_type { |
| SVC_MSG_DATA = 0x00, |
| SVC_MSG_ERROR = 0xff, |
| }; |
| |
| struct svc_msg_header { |
| __u8 function_id; /* enum svc_function_id */ |
| __u8 message_type; |
| __le16 payload_length; |
| } __packed; |
| |
| enum svc_function_handshake_type { |
| SVC_HANDSHAKE_SVC_HELLO = 0x00, |
| SVC_HANDSHAKE_AP_HELLO = 0x01, |
| SVC_HANDSHAKE_MODULE_HELLO = 0x02, |
| }; |
| |
| struct svc_function_handshake { |
| __u8 version_major; |
| __u8 version_minor; |
| __u8 handshake_type; /* enum svc_function_handshake_type */ |
| } __packed; |
| |
| struct svc_function_unipro_set_route { |
| __u8 device_id; |
| } __packed; |
| |
| struct svc_function_unipro_link_up { |
| __u8 interface_id; /* Interface id within the Endo */ |
| __u8 device_id; |
| } __packed; |
| |
| struct svc_function_ap_id { |
| __u8 interface_id; |
| __u8 device_id; |
| } __packed; |
| |
| enum svc_function_management_event { |
| SVC_MANAGEMENT_AP_ID = 0x00, |
| SVC_MANAGEMENT_LINK_UP = 0x01, |
| SVC_MANAGEMENT_SET_ROUTE = 0x02, |
| }; |
| |
| struct svc_function_unipro_management { |
| __u8 management_packet_type; /* enum svc_function_management_event */ |
| union { |
| struct svc_function_ap_id ap_id; |
| struct svc_function_unipro_link_up link_up; |
| struct svc_function_unipro_set_route set_route; |
| }; |
| } __packed; |
| |
| enum svc_function_hotplug_event { |
| SVC_HOTPLUG_EVENT = 0x00, |
| SVC_HOTUNPLUG_EVENT = 0x01, |
| }; |
| |
| struct svc_function_hotplug { |
| __u8 hotplug_event; /* enum svc_function_hotplug_event */ |
| __u8 interface_id; /* Interface id within the Endo */ |
| } __packed; |
| |
| enum svc_function_power_type { |
| SVC_POWER_BATTERY_STATUS = 0x00, |
| SVC_POWER_BATTERY_STATUS_REQUEST = 0x01, |
| }; |
| |
| enum svc_function_battery_status { |
| SVC_BATTERY_UNKNOWN = 0x00, |
| SVC_BATTERY_CHARGING = 0x01, |
| SVC_BATTERY_DISCHARGING = 0x02, |
| SVC_BATTERY_NOT_CHARGING = 0x03, |
| SVC_BATTERY_FULL = 0x04, |
| }; |
| |
| struct svc_function_power_battery_status { |
| __le16 charge_full; |
| __le16 charge_now; |
| __u8 status; /* enum svc_function_battery_status */ |
| } __packed; |
| |
| struct svc_function_power_battery_status_request { |
| } __packed; |
| |
| /* XXX |
| * Each interface carries power, so it's possible these things |
| * are associated with each UniPro device and not just the module. |
| * For now it's safe to assume it's per-module. |
| */ |
| struct svc_function_power { |
| __u8 power_type; /* enum svc_function_power_type */ |
| __u8 interface_id; |
| union { |
| struct svc_function_power_battery_status status; |
| struct svc_function_power_battery_status_request request; |
| }; |
| } __packed; |
| |
| enum svc_function_epm_command_type { |
| SVC_EPM_ENABLE = 0x00, |
| SVC_EPM_DISABLE = 0x01, |
| }; |
| |
| /* EPM's are associated with the module */ |
| struct svc_function_epm { |
| __u8 epm_command_type; /* enum svc_function_epm_command_type */ |
| __u8 module_id; |
| } __packed; |
| |
| enum svc_function_suspend_command_type { |
| SVC_SUSPEND_FIXME_1 = 0x00, // FIXME |
| SVC_SUSPEND_FIXME_2 = 0x01, |
| }; |
| |
| /* We'll want independent control for multi-interface modules */ |
| struct svc_function_suspend { |
| __u8 suspend_command_type; /* enum function_suspend_command_type */ |
| __u8 device_id; |
| } __packed; |
| |
| struct svc_msg { |
| struct svc_msg_header header; |
| union { |
| struct svc_function_handshake handshake; |
| struct svc_function_unipro_management management; |
| struct svc_function_hotplug hotplug; |
| struct svc_function_power power; |
| struct svc_function_epm epm; |
| struct svc_function_suspend suspend; |
| }; |
| } __packed; |
| |
| #endif /* __SVC_MSG_H */ |