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 "i915_reg.h" 13 14 enum pipe; 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 44 void ilk_enable_display_irq(struct drm_i915_private *i915, u32 bits); 45 void ilk_disable_display_irq(struct drm_i915_private *i915, u32 bits); 46 47 void bdw_enable_pipe_irq(struct drm_i915_private *i915, enum pipe pipe, u32 bits); 48 void bdw_disable_pipe_irq(struct drm_i915_private *i915, enum pipe pipe, u32 bits); 49 50 void ibx_enable_display_interrupt(struct drm_i915_private *i915, u32 bits); 51 void ibx_disable_display_interrupt(struct drm_i915_private *i915, u32 bits); 52 53 void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); 54 void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); 55 void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv); 56 void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv); 57 void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv); 58 void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv); 59 void gen6_rps_reset_ei(struct drm_i915_private *dev_priv); 60 u32 gen6_sanitize_rps_pm_mask(const struct drm_i915_private *i915, u32 mask); 61 62 void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv); 63 void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv); 64 bool intel_irqs_enabled(struct drm_i915_private *dev_priv); 65 void intel_synchronize_irq(struct drm_i915_private *i915); 66 void intel_synchronize_hardirq(struct drm_i915_private *i915); 67 68 int intel_get_crtc_scanline(struct intel_crtc *crtc); 69 void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, 70 u8 pipe_mask); 71 void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, 72 u8 pipe_mask); 73 u32 gen8_de_pipe_underrun_mask(struct drm_i915_private *dev_priv); 74 75 bool intel_crtc_get_vblank_timestamp(struct drm_crtc *crtc, int *max_error, 76 ktime_t *vblank_time, bool in_vblank_irq); 77 78 u32 i915_get_vblank_counter(struct drm_crtc *crtc); 79 u32 g4x_get_vblank_counter(struct drm_crtc *crtc); 80 81 int i8xx_enable_vblank(struct drm_crtc *crtc); 82 int i915gm_enable_vblank(struct drm_crtc *crtc); 83 int i965_enable_vblank(struct drm_crtc *crtc); 84 int ilk_enable_vblank(struct drm_crtc *crtc); 85 int bdw_enable_vblank(struct drm_crtc *crtc); 86 void i8xx_disable_vblank(struct drm_crtc *crtc); 87 void i915gm_disable_vblank(struct drm_crtc *crtc); 88 void i965_disable_vblank(struct drm_crtc *crtc); 89 void ilk_disable_vblank(struct drm_crtc *crtc); 90 void bdw_disable_vblank(struct drm_crtc *crtc); 91 92 void gen2_irq_reset(struct intel_uncore *uncore); 93 void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr, 94 i915_reg_t iir, i915_reg_t ier); 95 96 void gen2_irq_init(struct intel_uncore *uncore, 97 u32 imr_val, u32 ier_val); 98 void gen3_irq_init(struct intel_uncore *uncore, 99 i915_reg_t imr, u32 imr_val, 100 i915_reg_t ier, u32 ier_val, 101 i915_reg_t iir); 102 103 #define GEN8_IRQ_RESET_NDX(uncore, type, which) \ 104 ({ \ 105 unsigned int which_ = which; \ 106 gen3_irq_reset((uncore), GEN8_##type##_IMR(which_), \ 107 GEN8_##type##_IIR(which_), GEN8_##type##_IER(which_)); \ 108 }) 109 110 #define GEN3_IRQ_RESET(uncore, type) \ 111 gen3_irq_reset((uncore), type##IMR, type##IIR, type##IER) 112 113 #define GEN2_IRQ_RESET(uncore) \ 114 gen2_irq_reset(uncore) 115 116 #define GEN8_IRQ_INIT_NDX(uncore, type, which, imr_val, ier_val) \ 117 ({ \ 118 unsigned int which_ = which; \ 119 gen3_irq_init((uncore), \ 120 GEN8_##type##_IMR(which_), imr_val, \ 121 GEN8_##type##_IER(which_), ier_val, \ 122 GEN8_##type##_IIR(which_)); \ 123 }) 124 125 #define GEN3_IRQ_INIT(uncore, type, imr_val, ier_val) \ 126 gen3_irq_init((uncore), \ 127 type##IMR, imr_val, \ 128 type##IER, ier_val, \ 129 type##IIR) 130 131 #define GEN2_IRQ_INIT(uncore, imr_val, ier_val) \ 132 gen2_irq_init((uncore), imr_val, ier_val) 133 134 #endif /* __I915_IRQ_H__ */ 135