xref: /linux/drivers/hid/intel-ish-hid/ipc/hw-ish.h (revision 4156f8316324de2064f92e0d02d511f9ae74e968)
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 PCI_DEVICE_ID_INTEL_ISH_CHV		0x22D8
17 #define PCI_DEVICE_ID_INTEL_ISH_BXT_Ax		0x0AA2
18 #define PCI_DEVICE_ID_INTEL_ISH_BXT_Bx		0x1AA2
19 #define PCI_DEVICE_ID_INTEL_ISH_APL_Ax		0x5AA2
20 #define PCI_DEVICE_ID_INTEL_ISH_SPT_Ax		0x9D35
21 #define PCI_DEVICE_ID_INTEL_ISH_CNL_Ax		0x9DFC
22 #define PCI_DEVICE_ID_INTEL_ISH_GLK_Ax		0x31A2
23 #define PCI_DEVICE_ID_INTEL_ISH_CNL_H		0xA37C
24 #define PCI_DEVICE_ID_INTEL_ISH_ICL_MOBILE	0x34FC
25 #define PCI_DEVICE_ID_INTEL_ISH_SPT_H		0xA135
26 #define PCI_DEVICE_ID_INTEL_ISH_CML_LP		0x02FC
27 #define PCI_DEVICE_ID_INTEL_ISH_CMP_H		0x06FC
28 #define PCI_DEVICE_ID_INTEL_ISH_EHL_Ax		0x4BB3
29 #define PCI_DEVICE_ID_INTEL_ISH_TGL_LP		0xA0FC
30 #define PCI_DEVICE_ID_INTEL_ISH_TGL_H		0x43FC
31 #define PCI_DEVICE_ID_INTEL_ISH_ADL_S		0x7AF8
32 #define PCI_DEVICE_ID_INTEL_ISH_ADL_P		0x51FC
33 #define PCI_DEVICE_ID_INTEL_ISH_ADL_N		0x54FC
34 #define PCI_DEVICE_ID_INTEL_ISH_RPL_S		0x7A78
35 #define PCI_DEVICE_ID_INTEL_ISH_MTL_P		0x7E45
36 #define PCI_DEVICE_ID_INTEL_ISH_ARL_H		0x7745
37 #define PCI_DEVICE_ID_INTEL_ISH_ARL_S		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 
47 struct ipc_rst_payload_type {
48 	uint16_t	reset_id;
49 	uint16_t	reserved;
50 };
51 
52 struct time_sync_format {
53 	uint8_t ts1_source;
54 	uint8_t ts2_source;
55 	uint16_t reserved;
56 } __packed;
57 
58 struct 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 
64 enum {
65 	HOST_UTC_TIME_USEC = 0,
66 	HOST_SYSTEM_TIME_USEC = 1
67 };
68 
69 struct ish_hw {
70 	void __iomem *mem_addr;
71 };
72 
73 /*
74  * ISH FW status type
75  */
76 enum {
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 
87 irqreturn_t ish_irq_handler(int irq, void *dev_id);
88 struct ishtp_device *ish_dev_init(struct pci_dev *pdev);
89 int ish_hw_start(struct ishtp_device *dev);
90 void ish_device_disable(struct ishtp_device *dev);
91 int ish_disable_dma(struct ishtp_device *dev);
92 void ish_set_host_ready(struct ishtp_device *dev);
93 
94 #endif /* _ISHTP_HW_ISH_H_ */
95