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 dpio_phy;
 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);
 29void vlv_iosf_sb_put(struct drm_i915_private *i915, unsigned long ports);
 30
 31static inline void vlv_bunit_get(struct drm_i915_private *i915)
 32{
 33	vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_BUNIT));
 34}
 35
 36u32 vlv_bunit_read(struct drm_i915_private *i915, u32 reg);
 37void vlv_bunit_write(struct drm_i915_private *i915, u32 reg, u32 val);
 38
 39static inline void vlv_bunit_put(struct drm_i915_private *i915)
 40{
 41	vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_BUNIT));
 42}
 43
 44static inline void vlv_cck_get(struct drm_i915_private *i915)
 45{
 46	vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_CCK));
 47}
 48
 49u32 vlv_cck_read(struct drm_i915_private *i915, u32 reg);
 50void vlv_cck_write(struct drm_i915_private *i915, u32 reg, u32 val);
 51
 52static inline void vlv_cck_put(struct drm_i915_private *i915)
 53{
 54	vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_CCK));
 55}
 56
 57static inline void vlv_ccu_get(struct drm_i915_private *i915)
 58{
 59	vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_CCU));
 60}
 61
 62u32 vlv_ccu_read(struct drm_i915_private *i915, u32 reg);
 63void vlv_ccu_write(struct drm_i915_private *i915, u32 reg, u32 val);
 64
 65static inline void vlv_ccu_put(struct drm_i915_private *i915)
 66{
 67	vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_CCU));
 68}
 69
 70static inline void vlv_dpio_get(struct drm_i915_private *i915)
 71{
 72	vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_DPIO));
 73}
 74
 75u32 vlv_dpio_read(struct drm_i915_private *i915, enum dpio_phy phy, int reg);
 76void vlv_dpio_write(struct drm_i915_private *i915,
 77		    enum dpio_phy phy, int reg, u32 val);
 78
 79static inline void vlv_dpio_put(struct drm_i915_private *i915)
 80{
 81	vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_DPIO));
 82}
 83
 84static inline void vlv_flisdsi_get(struct drm_i915_private *i915)
 85{
 86	vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_FLISDSI));
 87}
 88
 89u32 vlv_flisdsi_read(struct drm_i915_private *i915, u32 reg);
 90void vlv_flisdsi_write(struct drm_i915_private *i915, u32 reg, u32 val);
 91
 92static inline void vlv_flisdsi_put(struct drm_i915_private *i915)
 93{
 94	vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_FLISDSI));
 95}
 96
 97static inline void vlv_nc_get(struct drm_i915_private *i915)
 98{
 99	vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_NC));
100}
101
102u32 vlv_nc_read(struct drm_i915_private *i915, u8 addr);
103
104static inline void vlv_nc_put(struct drm_i915_private *i915)
105{
106	vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_NC));
107}
108
109static inline void vlv_punit_get(struct drm_i915_private *i915)
110{
111	vlv_iosf_sb_get(i915, BIT(VLV_IOSF_SB_PUNIT));
112}
113
114u32 vlv_punit_read(struct drm_i915_private *i915, u32 addr);
115int vlv_punit_write(struct drm_i915_private *i915, u32 addr, u32 val);
116
117static inline void vlv_punit_put(struct drm_i915_private *i915)
118{
119	vlv_iosf_sb_put(i915, BIT(VLV_IOSF_SB_PUNIT));
120}
121
122#endif /* _VLV_SIDEBAND_H_ */