16947f312SBasavaraj Natikar /* SPDX-License-Identifier: GPL-2.0-or-later */ 26947f312SBasavaraj Natikar /* 36947f312SBasavaraj Natikar * AMD MP2 common macros and structures 46947f312SBasavaraj Natikar * 56947f312SBasavaraj Natikar * Copyright (c) 2022, Advanced Micro Devices, Inc. 66947f312SBasavaraj Natikar * All Rights Reserved. 76947f312SBasavaraj Natikar * 86947f312SBasavaraj Natikar * Author: Basavaraj Natikar <Basavaraj.Natikar@amd.com> 96947f312SBasavaraj Natikar */ 106947f312SBasavaraj Natikar #ifndef AMD_SFH_COMMON_H 116947f312SBasavaraj Natikar #define AMD_SFH_COMMON_H 126947f312SBasavaraj Natikar 136947f312SBasavaraj Natikar #include <linux/pci.h> 146947f312SBasavaraj Natikar #include "amd_sfh_hid.h" 156947f312SBasavaraj Natikar 166947f312SBasavaraj Natikar #define PCI_DEVICE_ID_AMD_MP2 0x15E4 1793ce5e02SBasavaraj Natikar #define PCI_DEVICE_ID_AMD_MP2_1_1 0x164A 186947f312SBasavaraj Natikar 196947f312SBasavaraj Natikar #define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4)) 206947f312SBasavaraj Natikar #define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4)) 216947f312SBasavaraj Natikar 22*6296562fSBasavaraj Natikar #define AMD_C2P_MSG_V1(regno) (0x10900 + ((regno) * 4)) 23*6296562fSBasavaraj Natikar #define AMD_P2C_MSG_V1(regno) (0x10500 + ((regno) * 4)) 24*6296562fSBasavaraj Natikar 256947f312SBasavaraj Natikar #define SENSOR_ENABLED 4 266947f312SBasavaraj Natikar #define SENSOR_DISABLED 5 276947f312SBasavaraj Natikar 286947f312SBasavaraj Natikar #define AMD_SFH_IDLE_LOOP 200 296947f312SBasavaraj Natikar 306947f312SBasavaraj Natikar enum cmd_id { 316947f312SBasavaraj Natikar NO_OP, 326947f312SBasavaraj Natikar ENABLE_SENSOR, 336947f312SBasavaraj Natikar DISABLE_SENSOR, 346947f312SBasavaraj Natikar STOP_ALL_SENSORS = 8, 356947f312SBasavaraj Natikar }; 366947f312SBasavaraj Natikar 376947f312SBasavaraj Natikar struct amd_mp2_sensor_info { 386947f312SBasavaraj Natikar u8 sensor_idx; 396947f312SBasavaraj Natikar u32 period; 406947f312SBasavaraj Natikar dma_addr_t dma_address; 416947f312SBasavaraj Natikar }; 426947f312SBasavaraj Natikar 43b5b0774dSBasavaraj Natikar struct sfh_dev_status { 44b5b0774dSBasavaraj Natikar bool is_hpd_present; 45584f35a3SBasavaraj Natikar bool is_als_present; 46b5b0774dSBasavaraj Natikar }; 47b5b0774dSBasavaraj Natikar 486947f312SBasavaraj Natikar struct amd_mp2_dev { 496947f312SBasavaraj Natikar struct pci_dev *pdev; 506947f312SBasavaraj Natikar struct amdtp_cl_data *cl_data; 516947f312SBasavaraj Natikar void __iomem *mmio; 5293ce5e02SBasavaraj Natikar void __iomem *vsbase; 5393ce5e02SBasavaraj Natikar const struct amd_sfh1_1_ops *sfh1_1_ops; 54786aa1b9SBasavaraj Natikar struct amd_mp2_ops *mp2_ops; 556947f312SBasavaraj Natikar struct amd_input_data in_data; 566947f312SBasavaraj Natikar /* mp2 active control status */ 576947f312SBasavaraj Natikar u32 mp2_acs; 58b5b0774dSBasavaraj Natikar struct sfh_dev_status dev_en; 592105e8e0SBasavaraj Natikar struct work_struct work; 602105e8e0SBasavaraj Natikar u8 init_done; 61*6296562fSBasavaraj Natikar u8 rver; 626947f312SBasavaraj Natikar }; 636947f312SBasavaraj Natikar 646947f312SBasavaraj Natikar struct amd_mp2_ops { 656947f312SBasavaraj Natikar void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info); 666947f312SBasavaraj Natikar void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx); 676947f312SBasavaraj Natikar void (*stop_all)(struct amd_mp2_dev *privdata); 686947f312SBasavaraj Natikar int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts); 696947f312SBasavaraj Natikar void (*clear_intr)(struct amd_mp2_dev *privdata); 706947f312SBasavaraj Natikar int (*init_intr)(struct amd_mp2_dev *privdata); 716947f312SBasavaraj Natikar int (*discovery_status)(struct amd_mp2_dev *privdata); 729acadc72SBasavaraj Natikar void (*suspend)(struct amd_mp2_dev *mp2); 739acadc72SBasavaraj Natikar void (*resume)(struct amd_mp2_dev *mp2); 74722658f8SBasavaraj Natikar void (*remove)(void *privdata); 75786aa1b9SBasavaraj Natikar int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]); 76786aa1b9SBasavaraj Natikar u32 (*get_desc_sz)(int sensor_idx, int descriptor_name); 77786aa1b9SBasavaraj Natikar u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report); 78786aa1b9SBasavaraj Natikar u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id, 79786aa1b9SBasavaraj Natikar struct amd_input_data *in_data); 806947f312SBasavaraj Natikar }; 816947f312SBasavaraj Natikar 82e7f535eaSBasavaraj Natikar void amd_sfh_work(struct work_struct *work); 83e7f535eaSBasavaraj Natikar void amd_sfh_work_buffer(struct work_struct *work); 84014730c4SBasavaraj Natikar void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata); 85014730c4SBasavaraj Natikar int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata); 86014730c4SBasavaraj Natikar void amd_sfh_clear_intr(struct amd_mp2_dev *privdata); 87014730c4SBasavaraj Natikar int amd_sfh_irq_init(struct amd_mp2_dev *privdata); 88*6296562fSBasavaraj Natikar 89*6296562fSBasavaraj Natikar static inline u64 amd_get_c2p_val(struct amd_mp2_dev *mp2, u32 idx) 90*6296562fSBasavaraj Natikar { 91*6296562fSBasavaraj Natikar return mp2->rver == 1 ? AMD_C2P_MSG_V1(idx) : AMD_C2P_MSG(idx); 92*6296562fSBasavaraj Natikar } 93*6296562fSBasavaraj Natikar 94*6296562fSBasavaraj Natikar static inline u64 amd_get_p2c_val(struct amd_mp2_dev *mp2, u32 idx) 95*6296562fSBasavaraj Natikar { 96*6296562fSBasavaraj Natikar return mp2->rver == 1 ? AMD_P2C_MSG_V1(idx) : AMD_P2C_MSG(idx); 97*6296562fSBasavaraj Natikar } 986947f312SBasavaraj Natikar #endif 99