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/*
* Greybus kernel "version" glue logic.
*
* Copyright 2014 Google Inc.
* Copyright 2014 Linaro Ltd.
*
* Released under the GPLv2 only.
*
* Backports of newer kernel apis to allow the code to build properly on older
* kernel versions. Remove this file when merging to upstream, it should not be
* needed at all
*/
#ifndef __GREYBUS_KERNEL_VER_H
#define __GREYBUS_KERNEL_VER_H
#include <linux/kernel.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
/* Commit: 297d716 power_supply: Change ownership from driver to core */
#define CORE_OWNS_PSY_STRUCT
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
#define MMC_HS400_SUPPORTED
#define MMC_DDR52_DEFINED
#endif
#ifndef MMC_CAP2_CORE_RUNTIME_PM
#define MMC_CAP2_CORE_RUNTIME_PM 0
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 17, 0)
#define MMC_POWER_UNDEFINED_SUPPORTED
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
/*
* At this time the internal API for the set brightness was changed to the async
* version, and one sync API was added to handle cases that need immediate
* effect. Also, the led class flash and lock for sysfs access was introduced.
*/
#define LED_HAVE_SET_SYNC
#define LED_HAVE_FLASH
#define LED_HAVE_LOCK
#include <linux/led-class-flash.h>
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)
/*
* New change in LED api, the set_sync operation was renamed to set_blocking and
* the workqueue is now handle by core. So, only one set operation is need.
*/
#undef LED_HAVE_SET_SYNC
#define LED_HAVE_SET_BLOCKING
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
/*
* New helper functions for registering/unregistering flash led devices as v4l2
* subdevices were added.
*/
#define V4L2_HAVE_FLASH
#include <media/v4l2-flash-led-class.h>
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
/*
* Power supply get by name need to drop reference after call
*/
#define PSY_HAVE_PUT
#endif
/*
* General power supply properties that could be absent from various reasons,
* like kernel versions or vendor specific versions
*/
#ifndef POWER_SUPPLY_PROP_VOLTAGE_BOOT
#define POWER_SUPPLY_PROP_VOLTAGE_BOOT -1
#endif
#ifndef POWER_SUPPLY_PROP_CURRENT_BOOT
#define POWER_SUPPLY_PROP_CURRENT_BOOT -1
#endif
#ifndef POWER_SUPPLY_PROP_CALIBRATE
#define POWER_SUPPLY_PROP_CALIBRATE -1
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
/*
* After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
* selected) PM_RUNTIME is always set if PM is set, so files that are build
* conditionally if CONFIG_PM_RUNTIME is set may now be build if CONFIG_PM is
* set.
*/
#ifdef CONFIG_PM
#define CONFIG_PM_RUNTIME
#endif /* CONFIG_PM */
#endif
#endif /* __GREYBUS_KERNEL_VER_H */
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