drivers/misc/mei/hw-me.h

   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
  29 struct 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
  41 extern const struct mei_cfg mei_me_legacy_cfg;
  42 extern const struct mei_cfg mei_me_ich_cfg;
  43 extern const struct mei_cfg mei_me_pch_cfg;
  44 extern const struct mei_cfg mei_me_pch_cpt_pbg_cfg;
  45 extern const struct mei_cfg mei_me_lpt_cfg;
  46
  47 struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
  48                                    const struct mei_cfg *cfg);
  49
  50 int mei_me_pg_set_sync(struct mei_device *dev);
  51 int mei_me_pg_unset_sync(struct mei_device *dev);
  52
  53 irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id);
  54 irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id);
  55
  56 #endif /* _MEI_INTERFACE_H_ */