1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * H/W layer of ISHTP provider device (ISH)
4 *
5 * Copyright (c) 2014-2016, Intel Corporation.
6 */
7
8#ifndef _ISHTP_HW_ISH_H_
9#define _ISHTP_HW_ISH_H_
10
11#include <linux/pci.h>
12#include <linux/interrupt.h>
13#include "hw-ish-regs.h"
14#include "ishtp-dev.h"
15
16#define CHV_DEVICE_ID		0x22D8
17#define BXT_Ax_DEVICE_ID	0x0AA2
18#define BXT_Bx_DEVICE_ID	0x1AA2
19#define APL_Ax_DEVICE_ID	0x5AA2
20#define SPT_Ax_DEVICE_ID	0x9D35
21#define CNL_Ax_DEVICE_ID	0x9DFC
22#define GLK_Ax_DEVICE_ID	0x31A2
23#define CNL_H_DEVICE_ID		0xA37C
24#define ICL_MOBILE_DEVICE_ID	0x34FC
25#define SPT_H_DEVICE_ID		0xA135
26#define CML_LP_DEVICE_ID	0x02FC
27#define CMP_H_DEVICE_ID		0x06FC
28#define EHL_Ax_DEVICE_ID	0x4BB3
29#define TGL_LP_DEVICE_ID	0xA0FC
30
31#define	REVISION_ID_CHT_A0	0x6
32#define	REVISION_ID_CHT_Ax_SI	0x0
33#define	REVISION_ID_CHT_Bx_SI	0x10
34#define	REVISION_ID_CHT_Kx_SI	0x20
35#define	REVISION_ID_CHT_Dx_SI	0x30
36#define	REVISION_ID_CHT_B0	0xB0
37#define	REVISION_ID_SI_MASK	0x70
38
39struct ipc_rst_payload_type {
40	uint16_t	reset_id;
41	uint16_t	reserved;
42};
43
44struct time_sync_format {
45	uint8_t ts1_source;
46	uint8_t ts2_source;
47	uint16_t reserved;
48} __packed;
49
50struct ipc_time_update_msg {
51	uint64_t primary_host_time;
52	struct time_sync_format sync_info;
53	uint64_t secondary_host_time;
54} __packed;
55
56enum {
57	HOST_UTC_TIME_USEC = 0,
58	HOST_SYSTEM_TIME_USEC = 1
59};
60
61struct ish_hw {
62	void __iomem *mem_addr;
63};
64
65/*
66 * ISH FW status type
67 */
68enum {
69	FWSTS_AFTER_RESET		= 0,
70	FWSTS_WAIT_FOR_HOST		= 4,
71	FWSTS_START_KERNEL_DMA		= 5,
72	FWSTS_FW_IS_RUNNING		= 7,
73	FWSTS_SENSOR_APP_LOADED		= 8,
74	FWSTS_SENSOR_APP_RUNNING	= 15
75};
76
77#define to_ish_hw(dev) (struct ish_hw *)((dev)->hw)
78
79irqreturn_t ish_irq_handler(int irq, void *dev_id);
80struct ishtp_device *ish_dev_init(struct pci_dev *pdev);
81int ish_hw_start(struct ishtp_device *dev);
82void ish_device_disable(struct ishtp_device *dev);
83int ish_disable_dma(struct ishtp_device *dev);
84
85#endif /* _ISHTP_HW_ISH_H_ */
86