linux/drivers/gpu/drm/i915/i915_irq.h
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   1/* SPDX-License-Identifier: MIT */
   2/*
   3 * Copyright © 2019 Intel Corporation
   4 */
   5
   6#ifndef __I915_IRQ_H__
   7#define __I915_IRQ_H__
   8
   9#include <linux/ktime.h>
  10#include <linux/types.h>
  11
  12#include "display/intel_display.h"
  13#include "i915_reg.h"
  14
  15struct drm_crtc;
  16struct drm_device;
  17struct drm_display_mode;
  18struct drm_i915_private;
  19struct intel_crtc;
  20struct intel_uncore;
  21
  22void intel_irq_init(struct drm_i915_private *dev_priv);
  23void intel_irq_fini(struct drm_i915_private *dev_priv);
  24int intel_irq_install(struct drm_i915_private *dev_priv);
  25void intel_irq_uninstall(struct drm_i915_private *dev_priv);
  26
  27u32 i915_pipestat_enable_mask(struct drm_i915_private *dev_priv,
  28                              enum pipe pipe);
  29void
  30i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
  31                     u32 status_mask);
  32
  33void
  34i915_disable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
  35                      u32 status_mask);
  36
  37void valleyview_enable_display_irqs(struct drm_i915_private *dev_priv);
  38void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv);
  39
  40void i915_hotplug_interrupt_update(struct drm_i915_private *dev_priv,
  41                                   u32 mask,
  42                                   u32 bits);
  43void ilk_update_display_irq(struct drm_i915_private *dev_priv,
  44                            u32 interrupt_mask,
  45                            u32 enabled_irq_mask);
  46static inline void
  47ilk_enable_display_irq(struct drm_i915_private *dev_priv, u32 bits)
  48{
  49        ilk_update_display_irq(dev_priv, bits, bits);
  50}
  51static inline void
  52ilk_disable_display_irq(struct drm_i915_private *dev_priv, u32 bits)
  53{
  54        ilk_update_display_irq(dev_priv, bits, 0);
  55}
  56void bdw_update_pipe_irq(struct drm_i915_private *dev_priv,
  57                         enum pipe pipe,
  58                         u32 interrupt_mask,
  59                         u32 enabled_irq_mask);
  60static inline void bdw_enable_pipe_irq(struct drm_i915_private *dev_priv,
  61                                       enum pipe pipe, u32 bits)
  62{
  63        bdw_update_pipe_irq(dev_priv, pipe, bits, bits);
  64}
  65static inline void bdw_disable_pipe_irq(struct drm_i915_private *dev_priv,
  66                                        enum pipe pipe, u32 bits)
  67{
  68        bdw_update_pipe_irq(dev_priv, pipe, bits, 0);
  69}
  70void ibx_display_interrupt_update(struct drm_i915_private *dev_priv,
  71                                  u32 interrupt_mask,
  72                                  u32 enabled_irq_mask);
  73static inline void
  74ibx_enable_display_interrupt(struct drm_i915_private *dev_priv, u32 bits)
  75{
  76        ibx_display_interrupt_update(dev_priv, bits, bits);
  77}
  78static inline void
  79ibx_disable_display_interrupt(struct drm_i915_private *dev_priv, u32 bits)
  80{
  81        ibx_display_interrupt_update(dev_priv, bits, 0);
  82}
  83
  84void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask);
  85void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask);
  86void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv);
  87void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv);
  88void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv);
  89void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv);
  90void gen6_rps_reset_ei(struct drm_i915_private *dev_priv);
  91u32 gen6_sanitize_rps_pm_mask(const struct drm_i915_private *i915, u32 mask);
  92
  93void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv);
  94void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv);
  95bool intel_irqs_enabled(struct drm_i915_private *dev_priv);
  96void intel_synchronize_irq(struct drm_i915_private *i915);
  97void intel_synchronize_hardirq(struct drm_i915_private *i915);
  98
  99int intel_get_crtc_scanline(struct intel_crtc *crtc);
 100void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv,
 101                                     u8 pipe_mask);
 102void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv,
 103                                     u8 pipe_mask);
 104u32 gen8_de_pipe_underrun_mask(struct drm_i915_private *dev_priv);
 105
 106bool intel_crtc_get_vblank_timestamp(struct drm_crtc *crtc, int *max_error,
 107                                     ktime_t *vblank_time, bool in_vblank_irq);
 108
 109u32 i915_get_vblank_counter(struct drm_crtc *crtc);
 110u32 g4x_get_vblank_counter(struct drm_crtc *crtc);
 111
 112int i8xx_enable_vblank(struct drm_crtc *crtc);
 113int i915gm_enable_vblank(struct drm_crtc *crtc);
 114int i965_enable_vblank(struct drm_crtc *crtc);
 115int ilk_enable_vblank(struct drm_crtc *crtc);
 116int bdw_enable_vblank(struct drm_crtc *crtc);
 117void i8xx_disable_vblank(struct drm_crtc *crtc);
 118void i915gm_disable_vblank(struct drm_crtc *crtc);
 119void i965_disable_vblank(struct drm_crtc *crtc);
 120void ilk_disable_vblank(struct drm_crtc *crtc);
 121void bdw_disable_vblank(struct drm_crtc *crtc);
 122
 123void gen2_irq_reset(struct intel_uncore *uncore);
 124void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr,
 125                    i915_reg_t iir, i915_reg_t ier);
 126
 127void gen2_irq_init(struct intel_uncore *uncore,
 128                   u32 imr_val, u32 ier_val);
 129void gen3_irq_init(struct intel_uncore *uncore,
 130                   i915_reg_t imr, u32 imr_val,
 131                   i915_reg_t ier, u32 ier_val,
 132                   i915_reg_t iir);
 133
 134#define GEN8_IRQ_RESET_NDX(uncore, type, which) \
 135({ \
 136        unsigned int which_ = which; \
 137        gen3_irq_reset((uncore), GEN8_##type##_IMR(which_), \
 138                       GEN8_##type##_IIR(which_), GEN8_##type##_IER(which_)); \
 139})
 140
 141#define GEN3_IRQ_RESET(uncore, type) \
 142        gen3_irq_reset((uncore), type##IMR, type##IIR, type##IER)
 143
 144#define GEN2_IRQ_RESET(uncore) \
 145        gen2_irq_reset(uncore)
 146
 147#define GEN8_IRQ_INIT_NDX(uncore, type, which, imr_val, ier_val) \
 148({ \
 149        unsigned int which_ = which; \
 150        gen3_irq_init((uncore), \
 151                      GEN8_##type##_IMR(which_), imr_val, \
 152                      GEN8_##type##_IER(which_), ier_val, \
 153                      GEN8_##type##_IIR(which_)); \
 154})
 155
 156#define GEN3_IRQ_INIT(uncore, type, imr_val, ier_val) \
 157        gen3_irq_init((uncore), \
 158                      type##IMR, imr_val, \
 159                      type##IER, ier_val, \
 160                      type##IIR)
 161
 162#define GEN2_IRQ_INIT(uncore, imr_val, ier_val) \
 163        gen2_irq_init((uncore), imr_val, ier_val)
 164
 165#endif /* __I915_IRQ_H__ */
 166