| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Greybus Interface Block code |
| * |
| * Copyright 2014 Google Inc. |
| * Copyright 2014 Linaro Ltd. |
| */ |
| |
| #ifndef __INTERFACE_H |
| #define __INTERFACE_H |
| |
| #include <linux/types.h> |
| #include <linux/device.h> |
| |
| enum gb_interface_type { |
| GB_INTERFACE_TYPE_INVALID = 0, |
| GB_INTERFACE_TYPE_UNKNOWN, |
| GB_INTERFACE_TYPE_DUMMY, |
| GB_INTERFACE_TYPE_UNIPRO, |
| GB_INTERFACE_TYPE_GREYBUS, |
| }; |
| |
| #define GB_INTERFACE_QUIRK_NO_CPORT_FEATURES BIT(0) |
| #define GB_INTERFACE_QUIRK_NO_INIT_STATUS BIT(1) |
| #define GB_INTERFACE_QUIRK_NO_GMP_IDS BIT(2) |
| #define GB_INTERFACE_QUIRK_FORCED_DISABLE BIT(3) |
| #define GB_INTERFACE_QUIRK_LEGACY_MODE_SWITCH BIT(4) |
| #define GB_INTERFACE_QUIRK_NO_BUNDLE_ACTIVATE BIT(5) |
| #define GB_INTERFACE_QUIRK_NO_PM BIT(6) |
| |
| struct gb_interface { |
| struct device dev; |
| struct gb_control *control; |
| |
| struct list_head bundles; |
| struct list_head module_node; |
| struct list_head manifest_descs; |
| u8 interface_id; /* Physical location within the Endo */ |
| u8 device_id; |
| u8 features; /* Feature flags set in the manifest */ |
| |
| enum gb_interface_type type; |
| |
| u32 ddbl1_manufacturer_id; |
| u32 ddbl1_product_id; |
| u32 vendor_id; |
| u32 product_id; |
| u64 serial_number; |
| |
| struct gb_host_device *hd; |
| struct gb_module *module; |
| |
| unsigned long quirks; |
| |
| struct mutex mutex; |
| |
| bool disconnected; |
| |
| bool ejected; |
| bool removed; |
| bool active; |
| bool enabled; |
| bool mode_switch; |
| bool dme_read; |
| |
| struct work_struct mode_switch_work; |
| struct completion mode_switch_completion; |
| }; |
| #define to_gb_interface(d) container_of(d, struct gb_interface, dev) |
| |
| struct gb_interface *gb_interface_create(struct gb_module *module, |
| u8 interface_id); |
| int gb_interface_activate(struct gb_interface *intf); |
| void gb_interface_deactivate(struct gb_interface *intf); |
| int gb_interface_enable(struct gb_interface *intf); |
| void gb_interface_disable(struct gb_interface *intf); |
| int gb_interface_add(struct gb_interface *intf); |
| void gb_interface_del(struct gb_interface *intf); |
| void gb_interface_put(struct gb_interface *intf); |
| void gb_interface_mailbox_event(struct gb_interface *intf, u16 result, |
| u32 mailbox); |
| |
| int gb_interface_request_mode_switch(struct gb_interface *intf); |
| |
| #endif /* __INTERFACE_H */ |