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_ */ 57