linux/include/linux/greybus.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Greybus driver and device API
 *
 * Copyright 2014-2015 Google Inc.
 * Copyright 2014-2015 Linaro Ltd.
 */

#ifndef __LINUX_GREYBUS_H
#define __LINUX_GREYBUS_H

#ifdef __KERNEL__

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/idr.h>

#include <linux/greybus/greybus_id.h>
#include <linux/greybus/greybus_manifest.h>
#include <linux/greybus/greybus_protocols.h>
#include <linux/greybus/manifest.h>
#include <linux/greybus/hd.h>
#include <linux/greybus/svc.h>
#include <linux/greybus/control.h>
#include <linux/greybus/module.h>
#include <linux/greybus/interface.h>
#include <linux/greybus/bundle.h>
#include <linux/greybus/connection.h>
#include <linux/greybus/operation.h>

/* Matches up with the Greybus Protocol specification document */
#define GREYBUS_VERSION_MAJOR …
#define GREYBUS_VERSION_MINOR …

#define GREYBUS_ID_MATCH_DEVICE …

#define GREYBUS_DEVICE(v, p) …

#define GREYBUS_DEVICE_CLASS(c) …

/* Maximum number of CPorts */
#define CPORT_ID_MAX …
#define CPORT_ID_BAD …

struct greybus_driver { … };
#define to_greybus_driver(d) …

static inline void greybus_set_drvdata(struct gb_bundle *bundle, void *data)
{ … }

static inline void *greybus_get_drvdata(struct gb_bundle *bundle)
{ … }

/* Don't call these directly, use the module_greybus_driver() macro instead */
int greybus_register_driver(struct greybus_driver *driver,
			    struct module *module, const char *mod_name);
void greybus_deregister_driver(struct greybus_driver *driver);

/* define to get proper THIS_MODULE and KBUILD_MODNAME values */
#define greybus_register(driver) …
#define greybus_deregister(driver) …

/**
 * module_greybus_driver() - Helper macro for registering a Greybus driver
 * @__greybus_driver: greybus_driver structure
 *
 * Helper macro for Greybus drivers to set up proper module init / exit
 * functions.  Replaces module_init() and module_exit() and keeps people from
 * printing pointless things to the kernel log when their driver is loaded.
 */
#define module_greybus_driver(__greybus_driver) …

int greybus_disabled(void);

void gb_debugfs_init(void);
void gb_debugfs_cleanup(void);
struct dentry *gb_debugfs_get(void);

extern const struct bus_type greybus_bus_type;

extern const struct device_type greybus_hd_type;
extern const struct device_type greybus_module_type;
extern const struct device_type greybus_interface_type;
extern const struct device_type greybus_control_type;
extern const struct device_type greybus_bundle_type;
extern const struct device_type greybus_svc_type;

static inline bool cport_id_valid(struct gb_host_device *hd, u16 cport_id)
{ … }

#endif /* __KERNEL__ */
#endif /* __LINUX_GREYBUS_H */