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/* 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 */
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