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 AMD_C2P_MSG_V1(regno) (0x10900 + ((regno) * 4)) 23 #define AMD_P2C_MSG_V1(regno) (0x10500 + ((regno) * 4)) 24 25 #define SENSOR_ENABLED 4 26 #define SENSOR_DISABLED 5 27 28 #define AMD_SFH_IDLE_LOOP 200 29 30 enum cmd_id { 31 NO_OP, 32 ENABLE_SENSOR, 33 DISABLE_SENSOR, 34 STOP_ALL_SENSORS = 8, 35 }; 36 37 struct amd_mp2_sensor_info { 38 u8 sensor_idx; 39 u32 period; 40 dma_addr_t dma_address; 41 }; 42 43 struct sfh_dev_status { 44 bool is_hpd_present; 45 bool is_als_present; 46 }; 47 48 struct amd_mp2_dev { 49 struct pci_dev *pdev; 50 struct amdtp_cl_data *cl_data; 51 void __iomem *mmio; 52 void __iomem *vsbase; 53 const struct amd_sfh1_1_ops *sfh1_1_ops; 54 struct amd_mp2_ops *mp2_ops; 55 struct amd_input_data in_data; 56 /* mp2 active control status */ 57 u32 mp2_acs; 58 struct sfh_dev_status dev_en; 59 struct work_struct work; 60 u8 init_done; 61 u8 rver; 62 }; 63 64 struct amd_mp2_ops { 65 void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info); 66 void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx); 67 void (*stop_all)(struct amd_mp2_dev *privdata); 68 int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts); 69 void (*clear_intr)(struct amd_mp2_dev *privdata); 70 int (*init_intr)(struct amd_mp2_dev *privdata); 71 int (*discovery_status)(struct amd_mp2_dev *privdata); 72 void (*suspend)(struct amd_mp2_dev *mp2); 73 void (*resume)(struct amd_mp2_dev *mp2); 74 void (*remove)(void *privdata); 75 int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]); 76 u32 (*get_desc_sz)(int sensor_idx, int descriptor_name); 77 u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report); 78 u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id, 79 struct amd_input_data *in_data); 80 }; 81 82 void amd_sfh_work(struct work_struct *work); 83 void amd_sfh_work_buffer(struct work_struct *work); 84 void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata); 85 int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata); 86 void amd_sfh_clear_intr(struct amd_mp2_dev *privdata); 87 int amd_sfh_irq_init(struct amd_mp2_dev *privdata); 88 89 static inline u64 amd_get_c2p_val(struct amd_mp2_dev *mp2, u32 idx) 90 { 91 return mp2->rver == 1 ? AMD_C2P_MSG_V1(idx) : AMD_C2P_MSG(idx); 92 } 93 94 static inline u64 amd_get_p2c_val(struct amd_mp2_dev *mp2, u32 idx) 95 { 96 return mp2->rver == 1 ? AMD_P2C_MSG_V1(idx) : AMD_P2C_MSG(idx); 97 } 98 #endif 99