xref: /linux/drivers/gpu/drm/xe/xe_force_wake_types.h (revision 41c177cf354126a22443b5c80cec9fdd313e67e1)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2022 Intel Corporation
4  */
5 
6 #ifndef _XE_FORCE_WAKE_TYPES_H_
7 #define _XE_FORCE_WAKE_TYPES_H_
8 
9 #include <linux/mutex.h>
10 #include <linux/types.h>
11 
12 #include "regs/xe_reg_defs.h"
13 
14 enum xe_force_wake_domain_id {
15 	XE_FW_DOMAIN_ID_GT = 0,
16 	XE_FW_DOMAIN_ID_RENDER,
17 	XE_FW_DOMAIN_ID_MEDIA,
18 	XE_FW_DOMAIN_ID_MEDIA_VDBOX0,
19 	XE_FW_DOMAIN_ID_MEDIA_VDBOX1,
20 	XE_FW_DOMAIN_ID_MEDIA_VDBOX2,
21 	XE_FW_DOMAIN_ID_MEDIA_VDBOX3,
22 	XE_FW_DOMAIN_ID_MEDIA_VDBOX4,
23 	XE_FW_DOMAIN_ID_MEDIA_VDBOX5,
24 	XE_FW_DOMAIN_ID_MEDIA_VDBOX6,
25 	XE_FW_DOMAIN_ID_MEDIA_VDBOX7,
26 	XE_FW_DOMAIN_ID_MEDIA_VEBOX0,
27 	XE_FW_DOMAIN_ID_MEDIA_VEBOX1,
28 	XE_FW_DOMAIN_ID_MEDIA_VEBOX2,
29 	XE_FW_DOMAIN_ID_MEDIA_VEBOX3,
30 	XE_FW_DOMAIN_ID_GSC,
31 	XE_FW_DOMAIN_ID_COUNT
32 };
33 
34 enum xe_force_wake_domains {
35 	XE_FW_GT		= BIT(XE_FW_DOMAIN_ID_GT),
36 	XE_FW_RENDER		= BIT(XE_FW_DOMAIN_ID_RENDER),
37 	XE_FW_MEDIA		= BIT(XE_FW_DOMAIN_ID_MEDIA),
38 	XE_FW_MEDIA_VDBOX0	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX0),
39 	XE_FW_MEDIA_VDBOX1	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX1),
40 	XE_FW_MEDIA_VDBOX2	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX2),
41 	XE_FW_MEDIA_VDBOX3	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX3),
42 	XE_FW_MEDIA_VDBOX4	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX4),
43 	XE_FW_MEDIA_VDBOX5	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX5),
44 	XE_FW_MEDIA_VDBOX6	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX6),
45 	XE_FW_MEDIA_VDBOX7	= BIT(XE_FW_DOMAIN_ID_MEDIA_VDBOX7),
46 	XE_FW_MEDIA_VEBOX0	= BIT(XE_FW_DOMAIN_ID_MEDIA_VEBOX0),
47 	XE_FW_MEDIA_VEBOX1	= BIT(XE_FW_DOMAIN_ID_MEDIA_VEBOX1),
48 	XE_FW_MEDIA_VEBOX2	= BIT(XE_FW_DOMAIN_ID_MEDIA_VEBOX2),
49 	XE_FW_MEDIA_VEBOX3	= BIT(XE_FW_DOMAIN_ID_MEDIA_VEBOX3),
50 	XE_FW_GSC		= BIT(XE_FW_DOMAIN_ID_GSC),
51 	XE_FORCEWAKE_ALL	= BIT(XE_FW_DOMAIN_ID_COUNT) - 1
52 };
53 
54 /**
55  * struct xe_force_wake_domain - XE force wake domains
56  */
57 struct xe_force_wake_domain {
58 	/** @id: domain force wake id */
59 	enum xe_force_wake_domain_id id;
60 	/** @reg_ctl: domain wake control register address */
61 	struct xe_reg reg_ctl;
62 	/** @reg_ack: domain ack register address */
63 	struct xe_reg reg_ack;
64 	/** @val: domain wake write value */
65 	u32 val;
66 	/** @mask: domain mask */
67 	u32 mask;
68 	/** @ref: domain reference */
69 	u32 ref;
70 };
71 
72 /**
73  * struct xe_force_wake - XE force wake
74  */
75 struct xe_force_wake {
76 	/** @gt: back pointers to GT */
77 	struct xe_gt *gt;
78 	/** @lock: protects everything force wake struct */
79 	spinlock_t lock;
80 	/** @awake_domains: mask of all domains awake */
81 	enum xe_force_wake_domains awake_domains;
82 	/** @domains: force wake domains */
83 	struct xe_force_wake_domain domains[XE_FW_DOMAIN_ID_COUNT];
84 };
85 
86 #endif
87