drivers/gpu/drm/i915/vlv_sideband.h

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