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