Line data Source code
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 : #include "dm_services.h"
27 :
28 : #include "include/irq_service_interface.h"
29 : #include "include/logger_interface.h"
30 :
31 : #include "dce110/irq_service_dce110.h"
32 :
33 : #if defined(CONFIG_DRM_AMD_DC_SI)
34 : #include "dce60/irq_service_dce60.h"
35 : #endif
36 :
37 : #include "dce80/irq_service_dce80.h"
38 : #include "dce120/irq_service_dce120.h"
39 : #include "dcn10/irq_service_dcn10.h"
40 :
41 : #include "reg_helper.h"
42 : #include "irq_service.h"
43 :
44 :
45 :
46 : #define CTX \
47 : irq_service->ctx
48 : #define DC_LOGGER \
49 : irq_service->ctx->logger
50 :
51 0 : void dal_irq_service_construct(
52 : struct irq_service *irq_service,
53 : struct irq_service_init_data *init_data)
54 : {
55 0 : if (!init_data || !init_data->ctx) {
56 0 : BREAK_TO_DEBUGGER();
57 0 : return;
58 : }
59 :
60 0 : irq_service->ctx = init_data->ctx;
61 : }
62 :
63 0 : void dal_irq_service_destroy(struct irq_service **irq_service)
64 : {
65 0 : if (!irq_service || !*irq_service) {
66 0 : BREAK_TO_DEBUGGER();
67 0 : return;
68 : }
69 :
70 0 : kfree(*irq_service);
71 :
72 0 : *irq_service = NULL;
73 : }
74 :
75 : static const struct irq_source_info *find_irq_source_info(
76 : struct irq_service *irq_service,
77 : enum dc_irq_source source)
78 : {
79 0 : if (source >= DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID)
80 : return NULL;
81 :
82 0 : return &irq_service->info[source];
83 : }
84 :
85 0 : void dal_irq_service_set_generic(
86 : struct irq_service *irq_service,
87 : const struct irq_source_info *info,
88 : bool enable)
89 : {
90 0 : uint32_t addr = info->enable_reg;
91 0 : uint32_t value = dm_read_reg(irq_service->ctx, addr);
92 :
93 0 : value = (value & ~info->enable_mask) |
94 0 : (info->enable_value[enable ? 0 : 1] & info->enable_mask);
95 0 : dm_write_reg(irq_service->ctx, addr, value);
96 0 : }
97 :
98 0 : bool dal_irq_service_set(
99 : struct irq_service *irq_service,
100 : enum dc_irq_source source,
101 : bool enable)
102 : {
103 0 : const struct irq_source_info *info =
104 : find_irq_source_info(irq_service, source);
105 :
106 0 : if (!info) {
107 0 : DC_LOG_ERROR("%s: cannot find irq info table entry for %d\n",
108 : __func__,
109 : source);
110 0 : return false;
111 : }
112 :
113 0 : dal_irq_service_ack(irq_service, source);
114 :
115 0 : if (info->funcs && info->funcs->set)
116 0 : return info->funcs->set(irq_service, info, enable);
117 :
118 0 : dal_irq_service_set_generic(irq_service, info, enable);
119 :
120 0 : return true;
121 : }
122 :
123 0 : void dal_irq_service_ack_generic(
124 : struct irq_service *irq_service,
125 : const struct irq_source_info *info)
126 : {
127 0 : uint32_t addr = info->ack_reg;
128 0 : uint32_t value = dm_read_reg(irq_service->ctx, addr);
129 :
130 0 : value = (value & ~info->ack_mask) |
131 0 : (info->ack_value & info->ack_mask);
132 0 : dm_write_reg(irq_service->ctx, addr, value);
133 0 : }
134 :
135 0 : bool dal_irq_service_ack(
136 : struct irq_service *irq_service,
137 : enum dc_irq_source source)
138 : {
139 0 : const struct irq_source_info *info =
140 : find_irq_source_info(irq_service, source);
141 :
142 0 : if (!info) {
143 0 : DC_LOG_ERROR("%s: cannot find irq info table entry for %d\n",
144 : __func__,
145 : source);
146 0 : return false;
147 : }
148 :
149 0 : if (info->funcs && info->funcs->ack)
150 0 : return info->funcs->ack(irq_service, info);
151 :
152 0 : dal_irq_service_ack_generic(irq_service, info);
153 :
154 0 : return true;
155 : }
156 :
157 0 : enum dc_irq_source dal_irq_service_to_irq_source(
158 : struct irq_service *irq_service,
159 : uint32_t src_id,
160 : uint32_t ext_id)
161 : {
162 0 : return irq_service->funcs->to_dal_irq_source(
163 : irq_service,
164 : src_id,
165 : ext_id);
166 : }
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