1 /* 2 * Greybus Interface Block code 3 * 4 * Copyright 2014 Google Inc. 5 * Copyright 2014 Linaro Ltd. 6 * 7 * Released under the GPLv2 only. 8 */ 9 10 #ifndef __INTERFACE_H 11 #define __INTERFACE_H 12 13 enum gb_interface_type { 14 GB_INTERFACE_TYPE_INVALID = 0, 15 GB_INTERFACE_TYPE_UNKNOWN, 16 GB_INTERFACE_TYPE_DUMMY, 17 GB_INTERFACE_TYPE_UNIPRO, 18 GB_INTERFACE_TYPE_GREYBUS, 19 }; 20 21 #define GB_INTERFACE_QUIRK_NO_CPORT_FEATURES BIT(0) 22 #define GB_INTERFACE_QUIRK_NO_INIT_STATUS BIT(1) 23 #define GB_INTERFACE_QUIRK_NO_GMP_IDS BIT(2) 24 #define GB_INTERFACE_QUIRK_FORCED_DISABLE BIT(3) 25 #define GB_INTERFACE_QUIRK_LEGACY_MODE_SWITCH BIT(4) 26 #define GB_INTERFACE_QUIRK_NO_BUNDLE_ACTIVATE BIT(5) 27 #define GB_INTERFACE_QUIRK_NO_PM BIT(6) 28 29 struct gb_interface { 30 struct device dev; 31 struct gb_control *control; 32 33 struct list_head bundles; 34 struct list_head module_node; 35 struct list_head manifest_descs; 36 u8 interface_id; /* Physical location within the Endo */ 37 u8 device_id; 38 u8 features; /* Feature flags set in the manifest */ 39 40 enum gb_interface_type type; 41 42 u32 ddbl1_manufacturer_id; 43 u32 ddbl1_product_id; 44 u32 vendor_id; 45 u32 product_id; 46 u64 serial_number; 47 48 struct gb_host_device *hd; 49 struct gb_module *module; 50 51 unsigned long quirks; 52 53 struct mutex mutex; 54 55 bool disconnected; 56 57 bool ejected; 58 bool removed; 59 bool active; 60 bool enabled; 61 bool mode_switch; 62 bool dme_read; 63 64 struct work_struct mode_switch_work; 65 struct completion mode_switch_completion; 66 }; 67 #define to_gb_interface(d) container_of(d, struct gb_interface, dev) 68 69 struct gb_interface *gb_interface_create(struct gb_module *module, 70 u8 interface_id); 71 int gb_interface_activate(struct gb_interface *intf); 72 void gb_interface_deactivate(struct gb_interface *intf); 73 int gb_interface_enable(struct gb_interface *intf); 74 void gb_interface_disable(struct gb_interface *intf); 75 int gb_interface_add(struct gb_interface *intf); 76 void gb_interface_del(struct gb_interface *intf); 77 void gb_interface_put(struct gb_interface *intf); 78 void gb_interface_mailbox_event(struct gb_interface *intf, u16 result, 79 u32 mailbox); 80 81 int gb_interface_request_mode_switch(struct gb_interface *intf); 82 83 #endif /* __INTERFACE_H */ 84