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

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