hw-me.h revision c919951d940f28b3b9eb208e289faa27f4bc4678 
1/*
2 *
3 * Intel Management Engine Interface (Intel MEI) Linux driver
4 * Copyright (c) 2003-2012, Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13 * more details.
14 *
15 */
16
17
18
19#ifndef _MEI_INTERFACE_H_
20#define _MEI_INTERFACE_H_
21
22#include <linux/mei.h>
23#include <linux/irqreturn.h>
24#include "mei_dev.h"
25#include "client.h"
26
27#define MEI_ME_RPM_TIMEOUT    500 /* ms */
28
29struct mei_me_hw {
30	void __iomem *mem_addr;
31	/*
32	 * hw states of host and fw(ME)
33	 */
34	u32 host_hw_state;
35	u32 me_hw_state;
36	enum mei_pg_state pg_state;
37};
38
39#define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw)
40
41extern const struct mei_cfg mei_me_legacy_cfg;
42extern const struct mei_cfg mei_me_ich_cfg;
43extern const struct mei_cfg mei_me_pch_cfg;
44extern const struct mei_cfg mei_me_pch_cpt_pbg_cfg;
45extern const struct mei_cfg mei_me_lpt_cfg;
46
47struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
48				   const struct mei_cfg *cfg);
49
50int mei_me_pg_set_sync(struct mei_device *dev);
51int mei_me_pg_unset_sync(struct mei_device *dev);
52
53irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id);
54irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id);
55
56#endif /* _MEI_INTERFACE_H_ */
57