1 /*
2  * Copyright 2012-15 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  * Authors: AMD
23  *
24  */
25 
26 #ifndef __DAL_IRQ_SERVICE_H__
27 #define __DAL_IRQ_SERVICE_H__
28 
29 #include "include/irq_service_interface.h"
30 
31 #include "irq_types.h"
32 
33 struct irq_service;
34 struct irq_source_info;
35 
36 struct irq_source_info_funcs {
37 	bool (*set)(
38 		struct irq_service *irq_service,
39 		const struct irq_source_info *info,
40 		bool enable);
41 	bool (*ack)(
42 		struct irq_service *irq_service,
43 		const struct irq_source_info *info);
44 };
45 
46 struct irq_source_info {
47 	uint32_t src_id;
48 	uint32_t ext_id;
49 	uint32_t enable_reg;
50 	uint32_t enable_mask;
51 	uint32_t enable_value[2];
52 	uint32_t ack_reg;
53 	uint32_t ack_mask;
54 	uint32_t ack_value;
55 	uint32_t status_reg;
56 	const struct irq_source_info_funcs *funcs;
57 };
58 
59 struct irq_service_funcs {
60 	enum dc_irq_source (*to_dal_irq_source)(
61 			struct irq_service *irq_service,
62 			uint32_t src_id,
63 			uint32_t ext_id);
64 };
65 
66 struct irq_service {
67 	struct dc_context *ctx;
68 	const struct irq_source_info *info;
69 	const struct irq_service_funcs *funcs;
70 };
71 
72 const struct irq_source_info *find_irq_source_info(
73 	struct irq_service *irq_service,
74 	enum dc_irq_source source);
75 
76 void dal_irq_service_construct(
77 	struct irq_service *irq_service,
78 	struct irq_service_init_data *init_data);
79 
80 void dal_irq_service_ack_generic(
81 	struct irq_service *irq_service,
82 	const struct irq_source_info *info);
83 
84 void dal_irq_service_set_generic(
85 	struct irq_service *irq_service,
86 	const struct irq_source_info *info,
87 	bool enable);
88 
89 #endif
90