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/irqreturn.h> 23 #include <linux/pci.h> 24 #include <linux/mei.h> 25 26 #include "mei_dev.h" 27 #include "client.h" 28 29 /* 30 * mei_cfg - mei device configuration 31 * 32 * @fw_status: FW status 33 * @quirk_probe: device exclusion quirk 34 */ 35 struct mei_cfg { 36 const struct mei_fw_status fw_status; 37 bool (*quirk_probe)(struct pci_dev *pdev); 38 }; 39 40 41 #define MEI_PCI_DEVICE(dev, cfg) \ 42 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ 43 .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \ 44 .driver_data = (kernel_ulong_t)&(cfg) 45 46 47 #define MEI_ME_RPM_TIMEOUT 500 /* ms */ 48 49 /** 50 * struct mei_me_hw - me hw specific data 51 * 52 * @cfg: per device generation config and ops 53 * @mem_addr: io memory address 54 * @intr_source: interrupt source 55 * @pg_state: power gating state 56 * @d0i3_supported: di03 support 57 */ 58 struct mei_me_hw { 59 const struct mei_cfg *cfg; 60 void __iomem *mem_addr; 61 u32 intr_source; 62 enum mei_pg_state pg_state; 63 bool d0i3_supported; 64 }; 65 66 #define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw) 67 68 extern const struct mei_cfg mei_me_legacy_cfg; 69 extern const struct mei_cfg mei_me_ich_cfg; 70 extern const struct mei_cfg mei_me_pch_cfg; 71 extern const struct mei_cfg mei_me_pch_cpt_pbg_cfg; 72 extern const struct mei_cfg mei_me_pch8_cfg; 73 extern const struct mei_cfg mei_me_pch8_sps_cfg; 74 75 struct mei_device *mei_me_dev_init(struct pci_dev *pdev, 76 const struct mei_cfg *cfg); 77 78 int mei_me_pg_enter_sync(struct mei_device *dev); 79 int mei_me_pg_exit_sync(struct mei_device *dev); 80 81 irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id); 82 irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id); 83 84 #endif /* _MEI_INTERFACE_H_ */ 85