cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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i2c-smbus.h (1560B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * i2c-smbus.h - SMBus extensions to the I2C protocol
      4 *
      5 * Copyright (C) 2010-2019 Jean Delvare <jdelvare@suse.de>
      6 */
      7
      8#ifndef _LINUX_I2C_SMBUS_H
      9#define _LINUX_I2C_SMBUS_H
     10
     11#include <linux/i2c.h>
     12#include <linux/spinlock.h>
     13#include <linux/workqueue.h>
     14
     15
     16/**
     17 * i2c_smbus_alert_setup - platform data for the smbus_alert i2c client
     18 * @irq: IRQ number, if the smbus_alert driver should take care of interrupt
     19 *		handling
     20 *
     21 * If irq is not specified, the smbus_alert driver doesn't take care of
     22 * interrupt handling. In that case it is up to the I2C bus driver to either
     23 * handle the interrupts or to poll for alerts.
     24 */
     25struct i2c_smbus_alert_setup {
     26	int			irq;
     27};
     28
     29struct i2c_client *i2c_new_smbus_alert_device(struct i2c_adapter *adapter,
     30					      struct i2c_smbus_alert_setup *setup);
     31int i2c_handle_smbus_alert(struct i2c_client *ara);
     32
     33#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_I2C_SLAVE)
     34struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter);
     35void i2c_free_slave_host_notify_device(struct i2c_client *client);
     36#else
     37static inline struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter)
     38{
     39	return ERR_PTR(-ENOSYS);
     40}
     41static inline void i2c_free_slave_host_notify_device(struct i2c_client *client)
     42{
     43}
     44#endif
     45
     46#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_DMI)
     47void i2c_register_spd(struct i2c_adapter *adap);
     48#else
     49static inline void i2c_register_spd(struct i2c_adapter *adap) { }
     50#endif
     51
     52#endif /* _LINUX_I2C_SMBUS_H */