/*
*
* Intel Management Engine Interface (Intel MEI) Linux driver
* Copyright (c) 2003-2012, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
#include <linux/pci.h>
#include <linux/kthread.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include "mei_dev.h"
#include "hbm.h"
#include "hw-me.h"
#include "hw-me-regs.h"
#include "mei-trace.h"
/**
* mei_me_reg_read - Reads 32bit data from the mei device
*
* @hw: the me hardware structure
* @offset: offset from which to read the data
*
* Return: register value (u32)
*/
static inline u32 mei_me_reg_read(const struct mei_me_hw *hw,
unsigned long offset)
{
return ioread32(hw->mem_addr + offset);
}
/**
* mei_me_reg_write - Writes 32bit data to the mei device
*
* @hw: the me hardware structure
* @offset: offset from which to write the data
* @value: register value to write (u32)
*/
static inline void mei_me_reg_write(const struct mei_me_hw *hw,
unsigned long offset, u32 value)
{
iowrite32(value, hw->mem_addr + offset);
}
/**
* mei_me_mecbrw_read - Reads 32bit data from ME circular buffer
* read window register
*
* @dev: the device structure
*
* Return: ME_CB_RW register value (u32)
*/
static inline u32 mei_me_mecbrw_read(const struct mei_device *dev)
{
return mei_me_reg_read(to_me_hw(dev), ME_CB_RW);
}
/**
* mei_me_hcbww_write - write 32bit data to the host circular buffer
*
* @dev: the device structure
* @data: 32bit data to be written to the host circular buffer
*/
static inline void mei_me_hcbww_write(struct 