cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vlv_sideband.h (3260B)

      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_ */