1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * H/W layer of ISHTP provider device (ISH) 4 * 5 * Copyright (c) 2014-2016, Intel Corporation. 6 */ 7 8 #ifndef _ISHTP_HW_ISH_H_ 9 #define _ISHTP_HW_ISH_H_ 10 11 #include <linux/pci.h> 12 #include <linux/interrupt.h> 13 #include "hw-ish-regs.h" 14 #include "ishtp-dev.h" 15 16 #define CHV_DEVICE_ID 0x22D8 17 #define BXT_Ax_DEVICE_ID 0x0AA2 18 #define BXT_Bx_DEVICE_ID 0x1AA2 19 #define APL_Ax_DEVICE_ID 0x5AA2 20 #define SPT_Ax_DEVICE_ID 0x9D35 21 #define CNL_Ax_DEVICE_ID 0x9DFC 22 #define GLK_Ax_DEVICE_ID 0x31A2 23 #define CNL_H_DEVICE_ID 0xA37C 24 #define ICL_MOBILE_DEVICE_ID 0x34FC 25 #define SPT_H_DEVICE_ID 0xA135 26 #define CML_LP_DEVICE_ID 0x02FC 27 #define CMP_H_DEVICE_ID 0x06FC 28 #define EHL_Ax_DEVICE_ID 0x4BB3 29 #define TGL_LP_DEVICE_ID 0xA0FC 30 #define TGL_H_DEVICE_ID 0x43FC 31 32 #define REVISION_ID_CHT_A0 0x6 33 #define REVISION_ID_CHT_Ax_SI 0x0 34 #define REVISION_ID_CHT_Bx_SI 0x10 35 #define REVISION_ID_CHT_Kx_SI 0x20 36 #define REVISION_ID_CHT_Dx_SI 0x30 37 #define REVISION_ID_CHT_B0 0xB0 38 #define REVISION_ID_SI_MASK 0x70 39 40 struct ipc_rst_payload_type { 41 uint16_t reset_id; 42 uint16_t reserved; 43 }; 44 45 struct time_sync_format { 46 uint8_t ts1_source; 47 uint8_t ts2_source; 48 uint16_t reserved; 49 } __packed; 50 51 struct ipc_time_update_msg { 52 uint64_t primary_host_time; 53 struct time_sync_format sync_info; 54 uint64_t secondary_host_time; 55 } __packed; 56 57 enum { 58 HOST_UTC_TIME_USEC = 0, 59 HOST_SYSTEM_TIME_USEC = 1 60 }; 61 62 struct ish_hw { 63 void __iomem *mem_addr; 64 }; 65 66 /* 67 * ISH FW status type 68 */ 69 enum { 70 FWSTS_AFTER_RESET = 0, 71 FWSTS_WAIT_FOR_HOST = 4, 72 FWSTS_START_KERNEL_DMA = 5, 73 FWSTS_FW_IS_RUNNING = 7, 74 FWSTS_SENSOR_APP_LOADED = 8, 75 FWSTS_SENSOR_APP_RUNNING = 15 76 }; 77 78 #define to_ish_hw(dev) (struct ish_hw *)((dev)->hw) 79 80 irqreturn_t ish_irq_handler(int irq, void *dev_id); 81 struct ishtp_device *ish_dev_init(struct pci_dev *pdev); 82 int ish_hw_start(struct ishtp_device *dev); 83 void ish_device_disable(struct ishtp_device *dev); 84 int ish_disable_dma(struct ishtp_device *dev); 85 void ish_set_host_ready(struct ishtp_device *dev); 86 87 #endif /* _ISHTP_HW_ISH_H_ */ 88