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#define TGL_H_DEVICE_ID 0x43FC
31#define ADL_S_DEVICE_ID 0x7AF8
32#define ADL_P_DEVICE_ID 0x51FC
33#define ADL_N_DEVICE_ID 0x54FC
34#define RPL_S_DEVICE_ID 0x7A78
35#define MTL_P_DEVICE_ID 0x7E45
36#define ARL_H_DEVICE_ID 0x7745
37#define ARL_S_DEVICE_ID 0x7F78
38
39#define REVISION_ID_CHT_A0 0x6
40#define REVISION_ID_CHT_Ax_SI 0x0
41#define REVISION_ID_CHT_Bx_SI 0x10
42#define REVISION_ID_CHT_Kx_SI 0x20
43#define REVISION_ID_CHT_Dx_SI 0x30
44#define REVISION_ID_CHT_B0 0xB0
45#define REVISION_ID_SI_MASK 0x70
46
47struct ipc_rst_payload_type {
48 uint16_t reset_id;
49 uint16_t reserved;
50};
51
52struct time_sync_format {
53 uint8_t ts1_source;
54 uint8_t ts2_source;
55 uint16_t reserved;
56} __packed;
57
58struct ipc_time_update_msg {
59 uint64_t primary_host_time;
60 struct time_sync_format sync_info;
61 uint64_t secondary_host_time;
62} __packed;
63
64enum {
65 HOST_UTC_TIME_USEC = 0,
66 HOST_SYSTEM_TIME_USEC = 1
67};
68
69struct ish_hw {
70 void __iomem *mem_addr;
71};
72
73/*
74 * ISH FW status type
75 */
76enum {
77 FWSTS_AFTER_RESET = 0,
78 FWSTS_WAIT_FOR_HOST = 4,
79 FWSTS_START_KERNEL_DMA = 5,
80 FWSTS_FW_IS_RUNNING = 7,
81 FWSTS_SENSOR_APP_LOADED = 8,
82 FWSTS_SENSOR_APP_RUNNING = 15
83};
84
85#define to_ish_hw(dev) (struct ish_hw *)((dev)->hw)
86
87irqreturn_t ish_irq_handler(int irq, void *dev_id);
88struct ishtp_device *ish_dev_init(struct pci_dev *pdev);
89int ish_hw_start(struct ishtp_device *dev);
90void ish_device_disable(struct ishtp_device *dev);
91int ish_disable_dma(struct ishtp_device *dev);
92void ish_set_host_ready(struct ishtp_device *dev);
93
94#endif /* _ISHTP_HW_ISH_H_ */
95

source code of linux/drivers/hid/intel-ish-hid/ipc/hw-ish.h