xref: /linux/drivers/gpu/drm/i915/display/vlv_sideband.h (revision 8d2b0853add1d7534dc0794e3c8e0b9e8c4ec640) 
1 /* SPDX-License-Identifier: MIT */
2 /* Copyright © 2025 Intel Corporation */
3 
4 #ifndef _VLV_SIDEBAND_H_
5 #define _VLV_SIDEBAND_H_
6 
7 #include <linux/bitops.h>
8 #include <linux/types.h>
9 
10 #include "vlv_iosf_sb.h"
11 #include "vlv_iosf_sb_reg.h"
12 
13 enum dpio_phy;
14 struct drm_device;
15 
16 static inline void vlv_bunit_get(struct drm_device *drm)
17 {
18 	vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_BUNIT));
19 }
20 
21 static inline u32 vlv_bunit_read(struct drm_device *drm, u32 reg)
22 {
23 	return vlv_iosf_sb_read(drm, VLV_IOSF_SB_BUNIT, reg);
24 }
25 
26 static inline void vlv_bunit_write(struct drm_device *drm, u32 reg, u32 val)
27 {
28 	vlv_iosf_sb_write(drm, VLV_IOSF_SB_BUNIT, reg, val);
29 }
30 
31 static inline void vlv_bunit_put(struct drm_device *drm)
32 {
33 	vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_BUNIT));
34 }
35 
36 static inline void vlv_cck_get(struct drm_device *drm)
37 {
38 	vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_CCK));
39 }
40 
41 static inline u32 vlv_cck_read(struct drm_device *drm, u32 reg)
42 {
43 	return vlv_iosf_sb_read(drm, VLV_IOSF_SB_CCK, reg);
44 }
45 
46 static inline void vlv_cck_write(struct drm_device *drm, u32 reg, u32 val)
47 {
48 	vlv_iosf_sb_write(drm, VLV_IOSF_SB_CCK, reg, val);
49 }
50 
51 static inline void vlv_cck_put(struct drm_device *drm)
52 {
53 	vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_CCK));
54 }
55 
56 static inline void vlv_ccu_get(struct drm_device *drm)
57 {
58 	vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_CCU));
59 }
60 
61 static inline u32 vlv_ccu_read(struct drm_device *drm, u32 reg)
62 {
63 	return vlv_iosf_sb_read(drm, VLV_IOSF_SB_CCU, reg);
64 }
65 
66 static inline void vlv_ccu_write(struct drm_device *drm, u32 reg, u32 val)
67 {
68 	vlv_iosf_sb_write(drm, VLV_IOSF_SB_CCU, reg, val);
69 }
70 
71 static inline void vlv_ccu_put(struct drm_device *drm)
72 {
73 	vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_CCU));
74 }
75 
76 static inline void vlv_dpio_get(struct drm_device *drm)
77 {
78 	vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_DPIO) | BIT(VLV_IOSF_SB_DPIO_2));
79 }
80 
81 #ifdef I915
82 u32 vlv_dpio_read(struct drm_device *drm, enum dpio_phy phy, int reg);
83 void vlv_dpio_write(struct drm_device *drm,
84 		    enum dpio_phy phy, int reg, u32 val);
85 #else
86 static inline u32 vlv_dpio_read(struct drm_device *drm, int phy, int reg)
87 {
88 	return 0;
89 }
90 static inline void vlv_dpio_write(struct drm_device *drm,
91 				  int phy, int reg, u32 val)
92 {
93 }
94 #endif
95 
96 static inline void vlv_dpio_put(struct drm_device *drm)
97 {
98 	vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_DPIO) | BIT(VLV_IOSF_SB_DPIO_2));
99 }
100 
101 static inline void vlv_flisdsi_get(struct drm_device *drm)
102 {
103 	vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_FLISDSI));
104 }
105 
106 static inline u32 vlv_flisdsi_read(struct drm_device *drm, u32 reg)
107 {
108 	return vlv_iosf_sb_read(drm, VLV_IOSF_SB_FLISDSI, reg);
109 }
110 
111 static inline void vlv_flisdsi_write(struct drm_device *drm, u32 reg, u32 val)
112 {
113 	vlv_iosf_sb_write(drm, VLV_IOSF_SB_FLISDSI, reg, val);
114 }
115 
116 static inline void vlv_flisdsi_put(struct drm_device *drm)
117 {
118 	vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_FLISDSI));
119 }
120 
121 static inline void vlv_nc_get(struct drm_device *drm)
122 {
123 	vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_NC));
124 }
125 
126 static inline u32 vlv_nc_read(struct drm_device *drm, u8 addr)
127 {
128 	return vlv_iosf_sb_read(drm, VLV_IOSF_SB_NC, addr);
129 }
130 
131 static inline void vlv_nc_put(struct drm_device *drm)
132 {
133 	vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_NC));
134 }
135 
136 static inline void vlv_punit_get(struct drm_device *drm)
137 {
138 	vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_PUNIT));
139 }
140 
141 static inline u32 vlv_punit_read(struct drm_device *drm, u32 addr)
142 {
143 	return vlv_iosf_sb_read(drm, VLV_IOSF_SB_PUNIT, addr);
144 }
145 
146 static inline int vlv_punit_write(struct drm_device *drm, u32 addr, u32 val)
147 {
148 	return vlv_iosf_sb_write(drm, VLV_IOSF_SB_PUNIT, addr, val);
149 }
150 
151 static inline void vlv_punit_put(struct drm_device *drm)
152 {
153 	vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_PUNIT));
154 }
155 
156 #endif /* _VLV_SIDEBAND_H_ */
157