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
13enum dpio_phy;
14struct drm_device;
15
16static inline void vlv_bunit_get(struct drm_device *drm)
17{
18 vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_BUNIT));
19}
20
21static inline u32 vlv_bunit_read(struct drm_device *drm, u32 reg)
22{
23 return vlv_iosf_sb_read(drm, unit: VLV_IOSF_SB_BUNIT, addr: reg);
24}
25
26static inline void vlv_bunit_write(struct drm_device *drm, u32 reg, u32 val)
27{
28 vlv_iosf_sb_write(drm, unit: VLV_IOSF_SB_BUNIT, addr: reg, val);
29}
30
31static inline void vlv_bunit_put(struct drm_device *drm)
32{
33 vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_BUNIT));
34}
35
36static inline void vlv_cck_get(struct drm_device *drm)
37{
38 vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_CCK));
39}
40
41static inline u32 vlv_cck_read(struct drm_device *drm, u32 reg)
42{
43 return vlv_iosf_sb_read(drm, unit: VLV_IOSF_SB_CCK, addr: reg);
44}
45
46static inline void vlv_cck_write(struct drm_device *drm, u32 reg, u32 val)
47{
48 vlv_iosf_sb_write(drm, unit: VLV_IOSF_SB_CCK, addr: reg, val);
49}
50
51static inline void vlv_cck_put(struct drm_device *drm)
52{
53 vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_CCK));
54}
55
56static inline void vlv_ccu_get(struct drm_device *drm)
57{
58 vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_CCU));
59}
60
61static inline u32 vlv_ccu_read(struct drm_device *drm, u32 reg)
62{
63 return vlv_iosf_sb_read(drm, unit: VLV_IOSF_SB_CCU, addr: reg);
64}
65
66static inline void vlv_ccu_write(struct drm_device *drm, u32 reg, u32 val)
67{
68 vlv_iosf_sb_write(drm, unit: VLV_IOSF_SB_CCU, addr: reg, val);
69}
70
71static inline void vlv_ccu_put(struct drm_device *drm)
72{
73 vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_CCU));
74}
75
76static 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
82u32 vlv_dpio_read(struct drm_device *drm, enum dpio_phy phy, int reg);
83void vlv_dpio_write(struct drm_device *drm,
84 enum dpio_phy phy, int reg, u32 val);
85#else
86static inline u32 vlv_dpio_read(struct drm_device *drm, int phy, int reg)
87{
88 return 0;
89}
90static inline void vlv_dpio_write(struct drm_device *drm,
91 int phy, int reg, u32 val)
92{
93}
94#endif
95
96static 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
101static inline void vlv_flisdsi_get(struct drm_device *drm)
102{
103 vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_FLISDSI));
104}
105
106static inline u32 vlv_flisdsi_read(struct drm_device *drm, u32 reg)
107{
108 return vlv_iosf_sb_read(drm, unit: VLV_IOSF_SB_FLISDSI, addr: reg);
109}
110
111static inline void vlv_flisdsi_write(struct drm_device *drm, u32 reg, u32 val)
112{
113 vlv_iosf_sb_write(drm, unit: VLV_IOSF_SB_FLISDSI, addr: reg, val);
114}
115
116static inline void vlv_flisdsi_put(struct drm_device *drm)
117{
118 vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_FLISDSI));
119}
120
121static inline void vlv_nc_get(struct drm_device *drm)
122{
123 vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_NC));
124}
125
126static inline u32 vlv_nc_read(struct drm_device *drm, u8 addr)
127{
128 return vlv_iosf_sb_read(drm, unit: VLV_IOSF_SB_NC, addr);
129}
130
131static inline void vlv_nc_put(struct drm_device *drm)
132{
133 vlv_iosf_sb_put(drm, BIT(VLV_IOSF_SB_NC));
134}
135
136static inline void vlv_punit_get(struct drm_device *drm)
137{
138 vlv_iosf_sb_get(drm, BIT(VLV_IOSF_SB_PUNIT));
139}
140
141static inline u32 vlv_punit_read(struct drm_device *drm, u32 addr)
142{
143 return vlv_iosf_sb_read(drm, unit: VLV_IOSF_SB_PUNIT, addr);
144}
145
146static inline int vlv_punit_write(struct drm_device *drm, u32 addr, u32 val)
147{
148 return vlv_iosf_sb_write(drm, unit: VLV_IOSF_SB_PUNIT, addr, val);
149}
150
151static 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

source code of linux/drivers/gpu/drm/i915/display/vlv_sideband.h