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 #define PCI_DEVICE_ID_AMD_MP2_1_1 0x164A 18 19 #define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4)) 20 #define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4)) 21 22 #define SENSOR_ENABLED 4 23 #define SENSOR_DISABLED 5 24 25 #define AMD_SFH_IDLE_LOOP 200 26 27 enum cmd_id { 28 NO_OP, 29 ENABLE_SENSOR, 30 DISABLE_SENSOR, 31 STOP_ALL_SENSORS = 8, 32 }; 33 34 struct amd_mp2_sensor_info { 35 u8 sensor_idx; 36 u32 period; 37 dma_addr_t dma_address; 38 }; 39 40 struct sfh_dev_status { 41 bool is_hpd_present; 42 bool is_als_present; 43 }; 44 45 struct amd_mp2_dev { 46 struct pci_dev *pdev; 47 struct amdtp_cl_data *cl_data; 48 void __iomem *mmio; 49 void __iomem *vsbase; 50 const struct amd_sfh1_1_ops *sfh1_1_ops; 51 struct amd_mp2_ops *mp2_ops; 52 struct amd_input_data in_data; 53 /* mp2 active control status */ 54 u32 mp2_acs; 55 struct sfh_dev_status dev_en; 56 struct work_struct work; 57 u8 init_done; 58 }; 59 60 struct amd_mp2_ops { 61 void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info); 62 void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx); 63 void (*stop_all)(struct amd_mp2_dev *privdata); 64 int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts); 65 void (*clear_intr)(struct amd_mp2_dev *privdata); 66 int (*init_intr)(struct amd_mp2_dev *privdata); 67 int (*discovery_status)(struct amd_mp2_dev *privdata); 68 void (*suspend)(struct amd_mp2_dev *mp2); 69 void (*resume)(struct amd_mp2_dev *mp2); 70 void (*remove)(void *privdata); 71 int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]); 72 u32 (*get_desc_sz)(int sensor_idx, int descriptor_name); 73 u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report); 74 u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id, 75 struct amd_input_data *in_data); 76 }; 77 78 void amd_sfh_work(struct work_struct *work); 79 void amd_sfh_work_buffer(struct work_struct *work); 80 void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata); 81 int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata); 82 void amd_sfh_clear_intr(struct amd_mp2_dev *privdata); 83 int amd_sfh_irq_init(struct amd_mp2_dev *privdata); 84 #endif 85