xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/display/dc/irq/irq_service.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: irq_service.h,v 1.2 2021/12/18 23:45:06 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2012-15 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: AMD
25  *
26  */
27 
28 #ifndef __DAL_IRQ_SERVICE_H__
29 #define __DAL_IRQ_SERVICE_H__
30 
31 #include "include/irq_service_interface.h"
32 
33 #include "irq_types.h"
34 
35 struct irq_service;
36 struct irq_source_info;
37 
38 struct irq_source_info_funcs {
39 	bool (*set)(
40 		struct irq_service *irq_service,
41 		const struct irq_source_info *info,
42 		bool enable);
43 	bool (*ack)(
44 		struct irq_service *irq_service,
45 		const struct irq_source_info *info);
46 };
47 
48 struct irq_source_info {
49 	uint32_t src_id;
50 	uint32_t ext_id;
51 	uint32_t enable_reg;
52 	uint32_t enable_mask;
53 	uint32_t enable_value[2];
54 	uint32_t ack_reg;
55 	uint32_t ack_mask;
56 	uint32_t ack_value;
57 	uint32_t status_reg;
58 	const struct irq_source_info_funcs *funcs;
59 };
60 
61 struct irq_service_funcs {
62 	enum dc_irq_source (*to_dal_irq_source)(
63 			struct irq_service *irq_service,
64 			uint32_t src_id,
65 			uint32_t ext_id);
66 };
67 
68 struct irq_service {
69 	struct dc_context *ctx;
70 	const struct irq_source_info *info;
71 	const struct irq_service_funcs *funcs;
72 };
73 
74 void dal_irq_service_construct(
75 	struct irq_service *irq_service,
76 	struct irq_service_init_data *init_data);
77 
78 void dal_irq_service_ack_generic(
79 	struct irq_service *irq_service,
80 	const struct irq_source_info *info);
81 
82 void dal_irq_service_set_generic(
83 	struct irq_service *irq_service,
84 	const struct irq_source_info *info,
85 	bool enable);
86 
87 #endif
88