Release 4.9 drivers/staging/greybus/interface.h

/*
 * Greybus Interface Block code
 *
 * Copyright 2014 Google Inc.
 * Copyright 2014 Linaro Ltd.
 *
 * Released under the GPLv2 only.
 */

#ifndef __INTERFACE_H

#define __INTERFACE_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_timesync_enable(struct gb_interface *intf, u8 count,
				 u64 frame_time, u32 strobe_delay, u32 refclk);
int gb_interface_timesync_authoritative(struct gb_interface *intf,
					u64 *frame_time);
int gb_interface_timesync_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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Directory: drivers/staging/greybus