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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
51void 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
63void 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(*irq_service);
71
72 *irq_service = NULL;
73}
74
75static 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
85void 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
98bool 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
130void 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
142bool 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
170enum 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}
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 <linux/slab.h>
27
28#include "dm_services.h"
29
30#include "include/irq_service_interface.h"
31#include "include/logger_interface.h"
32
33#include "dce110/irq_service_dce110.h"
34
35
36#include "dce80/irq_service_dce80.h"
37
38#include "dce120/irq_service_dce120.h"
39
40
41#if defined(CONFIG_DRM_AMD_DC_DCN)
42#include "dcn10/irq_service_dcn10.h"
43#endif
44
45#include "reg_helper.h"
46#include "irq_service.h"
47
48
49
50#define CTX \
51 irq_service->ctx
52#define DC_LOGGER \
53 irq_service->ctx->logger
54
55void dal_irq_service_construct(
56 struct irq_service *irq_service,
57 struct irq_service_init_data *init_data)
58{
59 if (!init_data || !init_data->ctx) {
60 BREAK_TO_DEBUGGER();
61 return;
62 }
63
64 irq_service->ctx = init_data->ctx;
65}
66
67void dal_irq_service_destroy(struct irq_service **irq_service)
68{
69 if (!irq_service || !*irq_service) {
70 BREAK_TO_DEBUGGER();
71 return;
72 }
73
74 kfree(*irq_service);
75
76 *irq_service = NULL;
77}
78
79const struct irq_source_info *find_irq_source_info(
80 struct irq_service *irq_service,
81 enum dc_irq_source source)
82{
83 if (source >= DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID)
84 return NULL;
85
86 return &irq_service->info[source];
87}
88
89void dal_irq_service_set_generic(
90 struct irq_service *irq_service,
91 const struct irq_source_info *info,
92 bool enable)
93{
94 uint32_t addr = info->enable_reg;
95 uint32_t value = dm_read_reg(irq_service->ctx, addr);
96
97 value = (value & ~info->enable_mask) |
98 (info->enable_value[enable ? 0 : 1] & info->enable_mask);
99 dm_write_reg(irq_service->ctx, addr, value);
100}
101
102bool dal_irq_service_set(
103 struct irq_service *irq_service,
104 enum dc_irq_source source,
105 bool enable)
106{
107 const struct irq_source_info *info =
108 find_irq_source_info(irq_service, source);
109
110 if (!info) {
111 DC_LOG_ERROR("%s: cannot find irq info table entry for %d\n",
112 __func__,
113 source);
114 return false;
115 }
116
117 dal_irq_service_ack(irq_service, source);
118
119 if (info->funcs->set)
120 return info->funcs->set(irq_service, info, enable);
121
122 dal_irq_service_set_generic(irq_service, info, enable);
123
124 return true;
125}
126
127void dal_irq_service_ack_generic(
128 struct irq_service *irq_service,
129 const struct irq_source_info *info)
130{
131 uint32_t addr = info->ack_reg;
132 uint32_t value = dm_read_reg(irq_service->ctx, addr);
133
134 value = (value & ~info->ack_mask) |
135 (info->ack_value & info->ack_mask);
136 dm_write_reg(irq_service->ctx, addr, value);
137}
138
139bool dal_irq_service_ack(
140 struct irq_service *irq_service,
141 enum dc_irq_source source)
142{
143 const struct irq_source_info *info =
144 find_irq_source_info(irq_service, source);
145
146 if (!info) {
147 DC_LOG_ERROR("%s: cannot find irq info table entry for %d\n",
148 __func__,
149 source);
150 return false;
151 }
152
153 if (info->funcs->ack)
154 return info->funcs->ack(irq_service, info);
155
156 dal_irq_service_ack_generic(irq_service, info);
157
158 return true;
159}
160
161enum dc_irq_source dal_irq_service_to_irq_source(
162 struct irq_service *irq_service,
163 uint32_t src_id,
164 uint32_t ext_id)
165{
166 return irq_service->funcs->to_dal_irq_source(
167 irq_service,
168 src_id,
169 ext_id);
170}