1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Greybus Interface Block code 4 * 5 * Copyright 2014 Google Inc. 6 * Copyright 2014 Linaro Ltd. 7 */ 8 9 #ifndef __INTERFACE_H 10 #define __INTERFACE_H 11 12 enum gb_interface_type { 13 GB_INTERFACE_TYPE_INVALID = 0, 14 GB_INTERFACE_TYPE_UNKNOWN, 15 GB_INTERFACE_TYPE_DUMMY, 16 GB_INTERFACE_TYPE_UNIPRO, 17 GB_INTERFACE_TYPE_GREYBUS, 18 }; 19 20 #define GB_INTERFACE_QUIRK_NO_CPORT_FEATURES BIT(0) 21 #define GB_INTERFACE_QUIRK_NO_INIT_STATUS BIT(1) 22 #define GB_INTERFACE_QUIRK_NO_GMP_IDS BIT(2) 23 #define GB_INTERFACE_QUIRK_FORCED_DISABLE BIT(3) 24 #define GB_INTERFACE_QUIRK_LEGACY_MODE_SWITCH BIT(4) 25 #define GB_INTERFACE_QUIRK_NO_BUNDLE_ACTIVATE BIT(5) 26 #define GB_INTERFACE_QUIRK_NO_PM BIT(6) 27 28 struct gb_interface { 29 struct device dev; 30 struct gb_control *control; 31 32 struct list_head bundles; 33 struct list_head module_node; 34 struct list_head manifest_descs; 35 u8 interface_id; /* Physical location within the Endo */ 36 u8 device_id; 37 u8 features; /* Feature flags set in the manifest */ 38 39 enum gb_interface_type type; 40 41 u32 ddbl1_manufacturer_id; 42 u32 ddbl1_product_id; 43 u32 vendor_id; 44 u32 product_id; 45 u64 serial_number; 46 47 struct gb_host_device *hd; 48 struct gb_module *module; 49 50 unsigned long quirks; 51 52 struct mutex mutex; 53 54 bool disconnected; 55 56 bool ejected; 57 bool removed; 58 bool active; 59 bool enabled; 60 bool mode_switch; 61 bool dme_read; 62 63 struct work_struct mode_switch_work; 64 struct completion mode_switch_completion; 65 }; 66 #define to_gb_interface(d) container_of(d, struct gb_interface, dev) 67 68 struct gb_interface *gb_interface_create(struct gb_module *module, 69 u8 interface_id); 70 int gb_interface_activate(struct gb_interface *intf); 71 void gb_interface_deactivate(struct gb_interface *intf); 72 int gb_interface_enable(struct gb_interface *intf); 73 void gb_interface_disable(struct gb_interface *intf); 74 int gb_interface_add(struct gb_interface *intf); 75 void gb_interface_del(struct gb_interface *intf); 76 void gb_interface_put(struct gb_interface *intf); 77 void gb_interface_mailbox_event(struct gb_interface *intf, u16 result, 78 u32 mailbox); 79 80 int gb_interface_request_mode_switch(struct gb_interface *intf); 81 82 #endif /* __INTERFACE_H */ 83
