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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * AMD MP2 common macros and structures4 *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_H11#define AMD_SFH_COMMON_H12 13#include <linux/pci.h>14#include "amd_sfh_hid.h"15 16#define PCI_DEVICE_ID_AMD_MP2 0x15E417#define PCI_DEVICE_ID_AMD_MP2_1_1 0x164A18 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 426#define SENSOR_DISABLED 527 28#define AMD_SFH_IDLE_LOOP 20029 30enum cmd_id {31 NO_OP,32 ENABLE_SENSOR,33 DISABLE_SENSOR,34 STOP_ALL_SENSORS = 8,35};36 37struct amd_mp2_sensor_info {38 u8 sensor_idx;39 u32 period;40 dma_addr_t dma_address;41};42 43struct sfh_dev_status {44 bool is_hpd_present;45 bool is_als_present;46};47 48struct 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 64struct 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 82void amd_sfh_work(struct work_struct *work);83void amd_sfh_work_buffer(struct work_struct *work);84void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata);85int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata);86void amd_sfh_clear_intr(struct amd_mp2_dev *privdata);87int amd_sfh_irq_init(struct amd_mp2_dev *privdata);88 89static 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 94static 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#endif99