xref: /linux/drivers/gpu/drm/xe/compat-i915-headers/vlv_sideband.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2013-2021 Intel Corporation
4  */
5 
6 #ifndef _VLV_SIDEBAND_H_
7 #define _VLV_SIDEBAND_H_
8 
9 #include <linux/types.h>
10 
11 #include "vlv_sideband_reg.h"
12 
13 enum pipe;
14 struct drm_i915_private;
15 
16 enum {
17 	VLV_IOSF_SB_BUNIT,
18 	VLV_IOSF_SB_CCK,
19 	VLV_IOSF_SB_CCU,
20 	VLV_IOSF_SB_DPIO,
21 	VLV_IOSF_SB_FLISDSI,
22 	VLV_IOSF_SB_GPIO,
23 	VLV_IOSF_SB_NC,
24 	VLV_IOSF_SB_PUNIT,
25 };
26 
27 static inline void vlv_iosf_sb_get(struct drm_i915_private *i915, unsigned long ports)
28 {
29 }
30 static inline u32 vlv_iosf_sb_read(struct drm_i915_private *i915, u8 port, u32 reg)
31 {
32 	return 0;
33 }
34 static inline void vlv_iosf_sb_write(struct drm_i915_private *i915,
35 				     u8 port, u32 reg, u32 val)
36 {
37 }
38 static inline void vlv_iosf_sb_put(struct drm_i915_private *i915, unsigned long ports)
39 {
40 }
41 static inline void vlv_bunit_get(struct drm_i915_private *i915)
42 {
43 }
44 static inline u32 vlv_bunit_read(struct drm_i915_private *i915, u32 reg)
45 {
46 	return 0;
47 }
48 static inline void vlv_bunit_write(struct drm_i915_private *i915, u32 reg, u32 val)
49 {
50 }
51 static inline void vlv_bunit_put(struct drm_i915_private *i915)
52 {
53 }
54 static inline void vlv_cck_get(struct drm_i915_private *i915)
55 {
56 }
57 static inline u32 vlv_cck_read(struct drm_i915_private *i915, u32 reg)
58 {
59 	return 0;
60 }
61 static inline void vlv_cck_write(struct drm_i915_private *i915, u32 reg, u32 val)
62 {
63 }
64 static inline void vlv_cck_put(struct drm_i915_private *i915)
65 {
66 }
67 static inline void vlv_ccu_get(struct drm_i915_private *i915)
68 {
69 }
70 static inline u32 vlv_ccu_read(struct drm_i915_private *i915, u32 reg)
71 {
72 	return 0;
73 }
74 static inline void vlv_ccu_write(struct drm_i915_private *i915, u32 reg, u32 val)
75 {
76 }
77 static inline void vlv_ccu_put(struct drm_i915_private *i915)
78 {
79 }
80 static inline void vlv_dpio_get(struct drm_i915_private *i915)
81 {
82 }
83 static inline u32 vlv_dpio_read(struct drm_i915_private *i915, int pipe, int reg)
84 {
85 	return 0;
86 }
87 static inline void vlv_dpio_write(struct drm_i915_private *i915,
88 				  int pipe, int reg, u32 val)
89 {
90 }
91 static inline void vlv_dpio_put(struct drm_i915_private *i915)
92 {
93 }
94 static inline void vlv_flisdsi_get(struct drm_i915_private *i915)
95 {
96 }
97 static inline u32 vlv_flisdsi_read(struct drm_i915_private *i915, u32 reg)
98 {
99 	return 0;
100 }
101 static inline void vlv_flisdsi_write(struct drm_i915_private *i915, u32 reg, u32 val)
102 {
103 }
104 static inline void vlv_flisdsi_put(struct drm_i915_private *i915)
105 {
106 }
107 static inline void vlv_nc_get(struct drm_i915_private *i915)
108 {
109 }
110 static inline u32 vlv_nc_read(struct drm_i915_private *i915, u8 addr)
111 {
112 	return 0;
113 }
114 static inline void vlv_nc_put(struct drm_i915_private *i915)
115 {
116 }
117 static inline void vlv_punit_get(struct drm_i915_private *i915)
118 {
119 }
120 static inline u32 vlv_punit_read(struct drm_i915_private *i915, u32 addr)
121 {
122 	return 0;
123 }
124 static inline int vlv_punit_write(struct drm_i915_private *i915, u32 addr, u32 val)
125 {
126 	return 0;
127 }
128 static inline void vlv_punit_put(struct drm_i915_private *i915)
129 {
130 }
131 
132 #endif /* _VLV_SIDEBAND_H_ */
133