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