kernel_optimize_test/arch/arm/mach-omap2/omap_device.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

98 lines
2.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* omap_device headers
*
* Copyright (C) 2009 Nokia Corporation
* Paul Walmsley
*
* Developed in collaboration with (alphabetical order): Benoit
* Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram
* Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard
* Woodruff
*
* This type of functionality should be implemented as a proper
* omap_bus/omap_device in Linux.
*
* omap_device differs from omap_hwmod in that it includes external
* (e.g., board- and system-level) integration details. omap_hwmod
* stores hardware data that is invariant for a given OMAP chip.
*/
#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H
#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include "omap_hwmod.h"
extern struct dev_pm_domain omap_device_pm_domain;
extern struct dev_pm_domain omap_device_fail_pm_domain;
/* omap_device._state values */
#define OMAP_DEVICE_STATE_UNKNOWN 0
#define OMAP_DEVICE_STATE_ENABLED 1
#define OMAP_DEVICE_STATE_IDLE 2
#define OMAP_DEVICE_STATE_SHUTDOWN 3
/* omap_device.flags values */
#define OMAP_DEVICE_SUSPENDED BIT(0)
/**
* struct omap_device - omap_device wrapper for platform_devices
* @pdev: platform_device
* @hwmods: (one .. many per omap_device)
* @hwmods_cnt: ARRAY_SIZE() of @hwmods
* @_state: one of OMAP_DEVICE_STATE_* (see above)
* @flags: device flags
* @_driver_status: one of BUS_NOTIFY_*_DRIVER from <linux/device.h>
*
* Integrates omap_hwmod data into Linux platform_device.
*
* Field names beginning with underscores are for the internal use of
* the omap_device code.
*
*/
struct omap_device {
struct platform_device *pdev;
struct omap_hwmod **hwmods;
unsigned long _driver_status;
u8 hwmods_cnt;
u8 _state;
u8 flags;
};
/* Device driver interface (call via platform_data fn ptrs) */
int omap_device_enable(struct platform_device *pdev);
int omap_device_idle(struct platform_device *pdev);
/* Core code interface */
struct platform_device *omap_device_build(const char *pdev_name, int pdev_id,
struct omap_hwmod *oh, void *pdata,
int pdata_len);
struct omap_device *omap_device_alloc(struct platform_device *pdev,
struct omap_hwmod **ohs, int oh_cnt);
void omap_device_delete(struct omap_device *od);
int omap_device_register(struct platform_device *pdev);
struct device *omap_device_get_by_hwmod_name(const char *oh_name);
/* OMAP PM interface */
int omap_device_get_context_loss_count(struct platform_device *pdev);
/* Other */
int omap_device_assert_hardreset(struct platform_device *pdev,
const char *name);
int omap_device_deassert_hardreset(struct platform_device *pdev,
const char *name);
/* Get omap_device pointer from platform_device pointer */
static inline struct omap_device *to_omap_device(struct platform_device *pdev)
{
return pdev ? pdev->archdata.od : NULL;
}
#endif