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 | void dal_irq_service_construct( |
52 | struct irq_service *irq_service, |
53 | struct irq_service_init_data *init_data) |
54 | { |
55 | if (!init_data || !init_data->ctx) { |
56 | BREAK_TO_DEBUGGER(); |
57 | return; |
58 | } |
59 | |
60 | irq_service->ctx = init_data->ctx; |
61 | } |
62 | |
63 | void dal_irq_service_destroy(struct irq_service **irq_service) |
64 | { |
65 | if (!irq_service || !*irq_service) { |
66 | BREAK_TO_DEBUGGER(); |
67 | return; |
68 | } |
69 | |
70 | kfree(objp: *irq_service); |
71 | |
72 | *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 | if (source >= DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID) |
80 | return NULL; |
81 | |
82 | return &irq_service->info[source]; |
83 | } |
84 | |
85 | void dal_irq_service_set_generic( |
86 | struct irq_service *irq_service, |
87 | const struct irq_source_info *info, |
88 | bool enable) |
89 | { |
90 | uint32_t addr = info->enable_reg; |
91 | uint32_t value = dm_read_reg(irq_service->ctx, addr); |
92 | |
93 | value = (value & ~info->enable_mask) | |
94 | (info->enable_value[enable ? 0 : 1] & info->enable_mask); |
95 | dm_write_reg(irq_service->ctx, addr, value); |
96 | } |
97 | |
98 | bool dal_irq_service_set( |
99 | struct irq_service *irq_service, |
100 | enum dc_irq_source source, |
101 | bool enable) |
102 | { |
103 | const struct irq_source_info *info = |
104 | find_irq_source_info(irq_service, source); |
105 | |
106 | if (!info) { |
107 | DC_LOG_ERROR("%s: cannot find irq info table entry for %d\n" , |
108 | __func__, |
109 | source); |
110 | return false; |
111 | } |
112 | |
113 | dal_irq_service_ack(irq_service, source); |
114 | |
115 | if (info->funcs && info->funcs->set) { |
116 | if (info->funcs->set == dal_irq_service_dummy_set) { |
117 | DC_LOG_WARNING("%s: src: %d, st: %d\n" , __func__, |
118 | source, enable); |
119 | ASSERT(0); |
120 | } |
121 | |
122 | return info->funcs->set(irq_service, info, enable); |
123 | } |
124 | |
125 | dal_irq_service_set_generic(irq_service, info, enable); |
126 | |
127 | return true; |
128 | } |
129 | |
130 | void dal_irq_service_ack_generic( |
131 | struct irq_service *irq_service, |
132 | const struct irq_source_info *info) |
133 | { |
134 | uint32_t addr = info->ack_reg; |
135 | uint32_t value = dm_read_reg(irq_service->ctx, addr); |
136 | |
137 | value = (value & ~info->ack_mask) | |
138 | (info->ack_value & info->ack_mask); |
139 | dm_write_reg(irq_service->ctx, addr, value); |
140 | } |
141 | |
142 | bool dal_irq_service_ack( |
143 | struct irq_service *irq_service, |
144 | enum dc_irq_source source) |
145 | { |
146 | const struct irq_source_info *info = |
147 | find_irq_source_info(irq_service, source); |
148 | |
149 | if (!info) { |
150 | DC_LOG_ERROR("%s: cannot find irq info table entry for %d\n" , |
151 | __func__, |
152 | source); |
153 | return false; |
154 | } |
155 | |
156 | if (info->funcs && info->funcs->ack) { |
157 | if (info->funcs->ack == dal_irq_service_dummy_ack) { |
158 | DC_LOG_WARNING("%s: src: %d\n" , __func__, source); |
159 | ASSERT(0); |
160 | } |
161 | |
162 | return info->funcs->ack(irq_service, info); |
163 | } |
164 | |
165 | dal_irq_service_ack_generic(irq_service, info); |
166 | |
167 | return true; |
168 | } |
169 | |
170 | enum dc_irq_source dal_irq_service_to_irq_source( |
171 | struct irq_service *irq_service, |
172 | uint32_t src_id, |
173 | uint32_t ext_id) |
174 | { |
175 | return irq_service->funcs->to_dal_irq_source( |
176 | irq_service, |
177 | src_id, |
178 | ext_id); |
179 | } |
180 | |