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
27enum cmd_id {
28	NO_OP,
29	ENABLE_SENSOR,
30	DISABLE_SENSOR,
31	STOP_ALL_SENSORS = 8,
32};
33
34struct amd_mp2_sensor_info {
35	u8 sensor_idx;
36	u32 period;
37	dma_addr_t dma_address;
38};
39
40struct amd_mp2_dev {
41	struct pci_dev *pdev;
42	struct amdtp_cl_data *cl_data;
43	void __iomem *mmio;
44	void __iomem *vsbase;
45	const struct amd_sfh1_1_ops *sfh1_1_ops;
46	struct amd_mp2_ops *mp2_ops;
47	struct amd_input_data in_data;
48	/* mp2 active control status */
49	u32 mp2_acs;
50};
51
52struct amd_mp2_ops {
53	void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info);
54	void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx);
55	void (*stop_all)(struct amd_mp2_dev *privdata);
56	int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts);
57	void (*clear_intr)(struct amd_mp2_dev *privdata);
58	int (*init_intr)(struct amd_mp2_dev *privdata);
59	int (*discovery_status)(struct amd_mp2_dev *privdata);
60	void (*suspend)(struct amd_mp2_dev *mp2);
61	void (*resume)(struct amd_mp2_dev *mp2);
62	void (*remove)(void *privdata);
63	int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]);
64	u32 (*get_desc_sz)(int sensor_idx, int descriptor_name);
65	u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report);
66	u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id,
67			 struct amd_input_data *in_data);
68};
69
70void amd_sfh_work(struct work_struct *work);
71void amd_sfh_work_buffer(struct work_struct *work);
72void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata);
73int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata);
74void amd_sfh_clear_intr(struct amd_mp2_dev *privdata);
75int amd_sfh_irq_init(struct amd_mp2_dev *privdata);
76#endif
77