1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * AMD MP2 common macros and structures 4 * 5 * Copyright (c) 2022, Advanced Micro Devices, Inc. 6 * All Rights Reserved. 7 * 8 * Author: Basavaraj Natikar <Basavaraj.Natikar@amd.com> 9 */ 10 #ifndef AMD_SFH_COMMON_H 11 #define AMD_SFH_COMMON_H 12 13 #include <linux/pci.h> 14 #include "amd_sfh_hid.h" 15 16 #define PCI_DEVICE_ID_AMD_MP2 0x15E4 17 18 #define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4)) 19 #define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4)) 20 21 #define SENSOR_ENABLED 4 22 #define SENSOR_DISABLED 5 23 24 #define AMD_SFH_IDLE_LOOP 200 25 26 enum cmd_id { 27 NO_OP, 28 ENABLE_SENSOR, 29 DISABLE_SENSOR, 30 STOP_ALL_SENSORS = 8, 31 }; 32 33 struct amd_mp2_sensor_info { 34 u8 sensor_idx; 35 u32 period; 36 dma_addr_t dma_address; 37 }; 38 39 struct amd_mp2_dev { 40 struct pci_dev *pdev; 41 struct amdtp_cl_data *cl_data; 42 void __iomem *mmio; 43 struct amd_mp2_ops *mp2_ops; 44 struct amd_input_data in_data; 45 /* mp2 active control status */ 46 u32 mp2_acs; 47 }; 48 49 struct amd_mp2_ops { 50 void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info); 51 void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx); 52 void (*stop_all)(struct amd_mp2_dev *privdata); 53 int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts); 54 void (*clear_intr)(struct amd_mp2_dev *privdata); 55 int (*init_intr)(struct amd_mp2_dev *privdata); 56 int (*discovery_status)(struct amd_mp2_dev *privdata); 57 int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]); 58 u32 (*get_desc_sz)(int sensor_idx, int descriptor_name); 59 u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report); 60 u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id, 61 struct amd_input_data *in_data); 62 }; 63 64 #endif 65