1 /* 2 * H/W layer of ISHTP provider device (ISH) 3 * 4 * Copyright (c) 2014-2016, 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 #ifndef _ISHTP_HW_ISH_H_ 17 #define _ISHTP_HW_ISH_H_ 18 19 #include <linux/pci.h> 20 #include <linux/interrupt.h> 21 #include "hw-ish-regs.h" 22 #include "ishtp-dev.h" 23 24 #define CHV_DEVICE_ID 0x22D8 25 #define BXT_Ax_DEVICE_ID 0x0AA2 26 #define BXT_Bx_DEVICE_ID 0x1AA2 27 #define APL_Ax_DEVICE_ID 0x5AA2 28 #define SPT_Ax_DEVICE_ID 0x9D35 29 30 #define REVISION_ID_CHT_A0 0x6 31 #define REVISION_ID_CHT_Ax_SI 0x0 32 #define REVISION_ID_CHT_Bx_SI 0x10 33 #define REVISION_ID_CHT_Kx_SI 0x20 34 #define REVISION_ID_CHT_Dx_SI 0x30 35 #define REVISION_ID_CHT_B0 0xB0 36 #define REVISION_ID_SI_MASK 0x70 37 38 struct ipc_rst_payload_type { 39 uint16_t reset_id; 40 uint16_t reserved; 41 }; 42 43 struct time_sync_format { 44 uint8_t ts1_source; 45 uint8_t ts2_source; 46 uint16_t reserved; 47 } __packed; 48 49 struct ipc_time_update_msg { 50 uint64_t primary_host_time; 51 struct time_sync_format sync_info; 52 uint64_t secondary_host_time; 53 } __packed; 54 55 enum { 56 HOST_UTC_TIME_USEC = 0, 57 HOST_SYSTEM_TIME_USEC = 1 58 }; 59 60 struct ish_hw { 61 void __iomem *mem_addr; 62 }; 63 64 /* 65 * ISH FW status type 66 */ 67 enum { 68 FWSTS_AFTER_RESET = 0, 69 FWSTS_WAIT_FOR_HOST = 4, 70 FWSTS_START_KERNEL_DMA = 5, 71 FWSTS_FW_IS_RUNNING = 7, 72 FWSTS_SENSOR_APP_LOADED = 8, 73 FWSTS_SENSOR_APP_RUNNING = 15 74 }; 75 76 #define to_ish_hw(dev) (struct ish_hw *)((dev)->hw) 77 78 irqreturn_t ish_irq_handler(int irq, void *dev_id); 79 struct ishtp_device *ish_dev_init(struct pci_dev *pdev); 80 int ish_hw_start(struct ishtp_device *dev); 81 void ish_device_disable(struct ishtp_device *dev); 82 83 #endif /* _ISHTP_HW_ISH_H_ */ 84