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/*
*
* 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.
*
*/
#ifndef _MEI_INTERFACE_H_
#define _MEI_INTERFACE_H_
#include <linux/irqreturn.h>
#include <linux/pci.h>
#include <linux/mei.h>
#include "mei_dev.h"
#include "client.h"
/*
* mei_cfg - mei device configuration
*
* @fw_status: FW status
* @quirk_probe: device exclusion quirk
*/
struct mei_cfg {
const struct mei_fw_status fw_status;
bool (*quirk_probe)(struct pci_dev *pdev);
};
#define MEI_PCI_DEVICE(dev, cfg) \
.vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
.driver_data = (kernel_ulong_t)&(cfg)
#define MEI_ME_RPM_TIMEOUT 500 /* ms */
/**
* struct mei_me_hw - me hw specific data
*
* @cfg: per device generation config and ops
* @mem_addr: io memory address
* @host_hw_state: cached host state
* @me_hw_state: cached me (fw) state
* @pg_state: power gating state
*/
struct mei_me_hw {
const struct mei_cfg *cfg;
void __iomem *mem_addr;
/*
* hw states of host and fw(ME)
*/
u32 host_hw_state;
u32 me_hw_state;
enum mei_pg_state pg_state;
};
#define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw)
extern const struct mei_cfg mei_me_legacy_cfg;
extern const struct mei_cfg mei_me_ich_cfg;
extern const struct mei_cfg mei_me_pch_cfg;
extern const struct mei_cfg mei_me_pch_cpt_pbg_cfg;
extern const struct mei_cfg mei_me_lpt_cfg;
struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
const struct mei_cfg *cfg);
int mei_me_pg_set_sync(struct mei_device *dev);
int mei_me_pg_unset_sync(struct mei_device *dev);
irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id);
irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id);
#endif /* _MEI_INTERFACE_H_ */
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