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Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001/*
2 * H/W layer of ISHTP provider device (ISH)
3 *
4 * Copyright (c) 2014-2016, Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 */
15
16#ifndef _ISHTP_HW_ISH_H_
17#define _ISHTP_HW_ISH_H_
18
19#include <linux/pci.h>
20#include <linux/interrupt.h>
21#include "hw-ish-regs.h"
22#include "ishtp-dev.h"
23
24#define CHV_DEVICE_ID 0x22D8
25#define BXT_Ax_DEVICE_ID 0x0AA2
26#define BXT_Bx_DEVICE_ID 0x1AA2
27#define APL_Ax_DEVICE_ID 0x5AA2
28#define SPT_Ax_DEVICE_ID 0x9D35
29#define CNL_Ax_DEVICE_ID 0x9DFC
30#define GLK_Ax_DEVICE_ID 0x31A2
31#define CNL_H_DEVICE_ID 0xA37C
32#define ICL_MOBILE_DEVICE_ID 0x34FC
33#define SPT_H_DEVICE_ID 0xA135
34
35#define REVISION_ID_CHT_A0 0x6
36#define REVISION_ID_CHT_Ax_SI 0x0
37#define REVISION_ID_CHT_Bx_SI 0x10
38#define REVISION_ID_CHT_Kx_SI 0x20
39#define REVISION_ID_CHT_Dx_SI 0x30
40#define REVISION_ID_CHT_B0 0xB0
41#define REVISION_ID_SI_MASK 0x70
42
43struct ipc_rst_payload_type {
44 uint16_t reset_id;
45 uint16_t reserved;
46};
47
48struct time_sync_format {
49 uint8_t ts1_source;
50 uint8_t ts2_source;
51 uint16_t reserved;
52} __packed;
53
54struct ipc_time_update_msg {
55 uint64_t primary_host_time;
56 struct time_sync_format sync_info;
57 uint64_t secondary_host_time;
58} __packed;
59
60enum {
61 HOST_UTC_TIME_USEC = 0,
62 HOST_SYSTEM_TIME_USEC = 1
63};
64
65struct ish_hw {
66 void __iomem *mem_addr;
67};
68
69/*
70 * ISH FW status type
71 */
72enum {
73 FWSTS_AFTER_RESET = 0,
74 FWSTS_WAIT_FOR_HOST = 4,
75 FWSTS_START_KERNEL_DMA = 5,
76 FWSTS_FW_IS_RUNNING = 7,
77 FWSTS_SENSOR_APP_LOADED = 8,
78 FWSTS_SENSOR_APP_RUNNING = 15
79};
80
81#define to_ish_hw(dev) (struct ish_hw *)((dev)->hw)
82
83irqreturn_t ish_irq_handler(int irq, void *dev_id);
84struct ishtp_device *ish_dev_init(struct pci_dev *pdev);
85int ish_hw_start(struct ishtp_device *dev);
86void ish_device_disable(struct ishtp_device *dev);
87
88#endif /* _ISHTP_HW_ISH_H_ */