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24#ifndef __AMDGPU_IRQ_H__
25#define __AMDGPU_IRQ_H__
26
27#include <linux/irqdomain.h>
28#include "amdgpu_ih.h"
29
30#define AMDGPU_MAX_IRQ_SRC_ID 0x100
31#define AMDGPU_MAX_IRQ_CLIENT_ID 0x100
32
33struct amdgpu_device;
34struct amdgpu_iv_entry;
35
36enum amdgpu_interrupt_state {
37 AMDGPU_IRQ_STATE_DISABLE,
38 AMDGPU_IRQ_STATE_ENABLE,
39};
40
41struct amdgpu_irq_src {
42 unsigned num_types;
43 atomic_t *enabled_types;
44 const struct amdgpu_irq_src_funcs *funcs;
45 void *data;
46};
47
48struct amdgpu_irq_client {
49 struct amdgpu_irq_src **sources;
50};
51
52
53struct amdgpu_irq_src_funcs {
54 int (*set)(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
55 unsigned type, enum amdgpu_interrupt_state state);
56
57 int (*process)(struct amdgpu_device *adev,
58 struct amdgpu_irq_src *source,
59 struct amdgpu_iv_entry *entry);
60};
61
62struct amdgpu_irq {
63 bool installed;
64 spinlock_t lock;
65
66 struct amdgpu_irq_client client[AMDGPU_IH_CLIENTID_MAX];
67
68
69 bool msi_enabled;
70
71
72 struct amdgpu_ih_ring ih;
73 const struct amdgpu_ih_funcs *ih_funcs;
74
75
76 struct irq_domain *domain;
77 unsigned virq[AMDGPU_MAX_IRQ_SRC_ID];
78 uint32_t srbm_soft_reset;
79};
80
81void amdgpu_irq_disable_all(struct amdgpu_device *adev);
82irqreturn_t amdgpu_irq_handler(int irq, void *arg);
83
84int amdgpu_irq_init(struct amdgpu_device *adev);
85void amdgpu_irq_fini(struct amdgpu_device *adev);
86int amdgpu_irq_add_id(struct amdgpu_device *adev,
87 unsigned client_id, unsigned src_id,
88 struct amdgpu_irq_src *source);
89void amdgpu_irq_dispatch(struct amdgpu_device *adev,
90 struct amdgpu_iv_entry *entry);
91int amdgpu_irq_update(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
92 unsigned type);
93int amdgpu_irq_get(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
94 unsigned type);
95int amdgpu_irq_put(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
96 unsigned type);
97bool amdgpu_irq_enabled(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
98 unsigned type);
99void amdgpu_irq_gpu_reset_resume_helper(struct amdgpu_device *adev);
100
101int amdgpu_irq_add_domain(struct amdgpu_device *adev);
102void amdgpu_irq_remove_domain(struct amdgpu_device *adev);
103unsigned amdgpu_irq_create_mapping(struct amdgpu_device *adev, unsigned src_id);
104
105#endif
106