xref: /linux/drivers/gpu/drm/amd/pm/powerplay/inc/ppinterrupt.h (revision 9e56ff53b4115875667760445b028357848b4748)
1 /*
2  * Copyright 2015 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #ifndef _PP_INTERRUPT_H_
25 #define _PP_INTERRUPT_H_
26 
27 enum amd_thermal_irq {
28 	AMD_THERMAL_IRQ_LOW_TO_HIGH = 0,
29 	AMD_THERMAL_IRQ_HIGH_TO_LOW,
30 
31 	AMD_THERMAL_IRQ_LAST
32 };
33 
34 /* The type of the interrupt callback functions in PowerPlay */
35 typedef int (*irq_handler_func_t)(void *private_data,
36 				unsigned src_id, const uint32_t *iv_entry);
37 
38 /* Event Manager action chain list information */
39 struct pp_interrupt_registration_info {
40 	irq_handler_func_t call_back; /* Pointer to callback function */
41 	void *context;                   /* Pointer to callback function context */
42 	uint32_t src_id;               /* Registered interrupt id */
43 	const uint32_t *iv_entry;
44 };
45 
46 #endif /* _PP_INTERRUPT_H_ */
47