drivers/gpu/drm/i915/i915_irq.h

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