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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__ */
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_defs.h"
13
14enum pipe;
15struct drm_crtc;
16struct drm_device;
17struct drm_display_mode;
18struct drm_i915_private;
19struct intel_crtc;
20struct intel_encoder;
21struct intel_uncore;
22
23void intel_irq_init(struct drm_i915_private *dev_priv);
24void intel_irq_fini(struct drm_i915_private *dev_priv);
25int intel_irq_install(struct drm_i915_private *dev_priv);
26void intel_irq_uninstall(struct drm_i915_private *dev_priv);
27
28void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask);
29void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask);
30void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv);
31void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv);
32void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv);
33void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv);
34void gen6_rps_reset_ei(struct drm_i915_private *dev_priv);
35u32 gen6_sanitize_rps_pm_mask(const struct drm_i915_private *i915, u32 mask);
36
37void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv);
38void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv);
39bool intel_irqs_enabled(struct drm_i915_private *dev_priv);
40void intel_synchronize_irq(struct drm_i915_private *i915);
41void intel_synchronize_hardirq(struct drm_i915_private *i915);
42
43void gen3_assert_iir_is_zero(struct intel_uncore *uncore, i915_reg_t reg);
44
45void gen3_irq_reset(struct intel_uncore *uncore, i915_reg_t imr,
46 i915_reg_t iir, i915_reg_t ier);
47
48void gen3_irq_init(struct intel_uncore *uncore,
49 i915_reg_t imr, u32 imr_val,
50 i915_reg_t ier, u32 ier_val,
51 i915_reg_t iir);
52
53#define GEN8_IRQ_RESET_NDX(uncore, type, which) \
54({ \
55 unsigned int which_ = which; \
56 gen3_irq_reset((uncore), GEN8_##type##_IMR(which_), \
57 GEN8_##type##_IIR(which_), GEN8_##type##_IER(which_)); \
58})
59
60#define GEN3_IRQ_RESET(uncore, type) \
61 gen3_irq_reset((uncore), type##IMR, type##IIR, type##IER)
62
63#define GEN8_IRQ_INIT_NDX(uncore, type, which, imr_val, ier_val) \
64({ \
65 unsigned int which_ = which; \
66 gen3_irq_init((uncore), \
67 GEN8_##type##_IMR(which_), imr_val, \
68 GEN8_##type##_IER(which_), ier_val, \
69 GEN8_##type##_IIR(which_)); \
70})
71
72#define GEN3_IRQ_INIT(uncore, type, imr_val, ier_val) \
73 gen3_irq_init((uncore), \
74 type##IMR, imr_val, \
75 type##IER, ier_val, \
76 type##IIR)
77
78#endif /* __I915_IRQ_H__ */