mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 11:44:01 +08:00
ec0ad86817
With the goal of moving the core of the greybus code out of staging, the include files need to be moved to include/linux/greybus.h and include/linux/greybus/ Cc: Vaibhav Hiremath <hvaibhav.linux@gmail.com> Cc: Johan Hovold <johan@kernel.org> Cc: Vaibhav Agarwal <vaibhav.sr@gmail.com> Cc: Rui Miguel Silva <rmfrfs@gmail.com> Cc: David Lin <dtwlin@gmail.com> Cc: "Bryan O'Donoghue" <pure.logic@nexus-software.ie> Cc: greybus-dev@lists.linaro.org Cc: devel@driverdev.osuosl.org Acked-by: Mark Greer <mgreer@animalcreek.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Alex Elder <elder@kernel.org> Link: https://lore.kernel.org/r/20190825055429.18547-8-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
153 lines
4.1 KiB
C
153 lines
4.1 KiB
C
/* 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 0x00
|
|
#define GREYBUS_VERSION_MINOR 0x01
|
|
|
|
#define GREYBUS_ID_MATCH_DEVICE \
|
|
(GREYBUS_ID_MATCH_VENDOR | GREYBUS_ID_MATCH_PRODUCT)
|
|
|
|
#define GREYBUS_DEVICE(v, p) \
|
|
.match_flags = GREYBUS_ID_MATCH_DEVICE, \
|
|
.vendor = (v), \
|
|
.product = (p),
|
|
|
|
#define GREYBUS_DEVICE_CLASS(c) \
|
|
.match_flags = GREYBUS_ID_MATCH_CLASS, \
|
|
.class = (c),
|
|
|
|
/* Maximum number of CPorts */
|
|
#define CPORT_ID_MAX 4095 /* UniPro max id is 4095 */
|
|
#define CPORT_ID_BAD U16_MAX
|
|
|
|
struct greybus_driver {
|
|
const char *name;
|
|
|
|
int (*probe)(struct gb_bundle *bundle,
|
|
const struct greybus_bundle_id *id);
|
|
void (*disconnect)(struct gb_bundle *bundle);
|
|
|
|
const struct greybus_bundle_id *id_table;
|
|
|
|
struct device_driver driver;
|
|
};
|
|
#define to_greybus_driver(d) container_of(d, struct greybus_driver, driver)
|
|
|
|
static inline void greybus_set_drvdata(struct gb_bundle *bundle, void *data)
|
|
{
|
|
dev_set_drvdata(&bundle->dev, data);
|
|
}
|
|
|
|
static inline void *greybus_get_drvdata(struct gb_bundle *bundle)
|
|
{
|
|
return dev_get_drvdata(&bundle->dev);
|
|
}
|
|
|
|
/* 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) \
|
|
greybus_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
|
|
#define greybus_deregister(driver) \
|
|
greybus_deregister_driver(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) \
|
|
module_driver(__greybus_driver, greybus_register, greybus_deregister)
|
|
|
|
int greybus_disabled(void);
|
|
|
|
void gb_debugfs_init(void);
|
|
void gb_debugfs_cleanup(void);
|
|
struct dentry *gb_debugfs_get(void);
|
|
|
|
extern struct bus_type greybus_bus_type;
|
|
|
|
extern struct device_type greybus_hd_type;
|
|
extern struct device_type greybus_module_type;
|
|
extern struct device_type greybus_interface_type;
|
|
extern struct device_type greybus_control_type;
|
|
extern struct device_type greybus_bundle_type;
|
|
extern struct device_type greybus_svc_type;
|
|
|
|
static inline int is_gb_host_device(const struct device *dev)
|
|
{
|
|
return dev->type == &greybus_hd_type;
|
|
}
|
|
|
|
static inline int is_gb_module(const struct device *dev)
|
|
{
|
|
return dev->type == &greybus_module_type;
|
|
}
|
|
|
|
static inline int is_gb_interface(const struct device *dev)
|
|
{
|
|
return dev->type == &greybus_interface_type;
|
|
}
|
|
|
|
static inline int is_gb_control(const struct device *dev)
|
|
{
|
|
return dev->type == &greybus_control_type;
|
|
}
|
|
|
|
static inline int is_gb_bundle(const struct device *dev)
|
|
{
|
|
return dev->type == &greybus_bundle_type;
|
|
}
|
|
|
|
static inline int is_gb_svc(const struct device *dev)
|
|
{
|
|
return dev->type == &greybus_svc_type;
|
|
}
|
|
|
|
static inline bool cport_id_valid(struct gb_host_device *hd, u16 cport_id)
|
|
{
|
|
return cport_id != CPORT_ID_BAD && cport_id < hd->num_cports;
|
|
}
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* __LINUX_GREYBUS_H */
|