xref: /linux/drivers/gpu/drm/amd/display/dc/bios/bios_parser_common.c (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
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 "bios_parser_common.h"
27 #include "include/grph_object_ctrl_defs.h"
28 
object_type_from_bios_object_id(uint32_t bios_object_id)29 static enum object_type object_type_from_bios_object_id(uint32_t bios_object_id)
30 {
31 	uint32_t bios_object_type = (bios_object_id & OBJECT_TYPE_MASK)
32 				>> OBJECT_TYPE_SHIFT;
33 	enum object_type object_type;
34 
35 	switch (bios_object_type) {
36 	case GRAPH_OBJECT_TYPE_GPU:
37 		object_type = OBJECT_TYPE_GPU;
38 		break;
39 	case GRAPH_OBJECT_TYPE_ENCODER:
40 		object_type = OBJECT_TYPE_ENCODER;
41 		break;
42 	case GRAPH_OBJECT_TYPE_CONNECTOR:
43 		object_type = OBJECT_TYPE_CONNECTOR;
44 		break;
45 	case GRAPH_OBJECT_TYPE_ROUTER:
46 		object_type = OBJECT_TYPE_ROUTER;
47 		break;
48 	case GRAPH_OBJECT_TYPE_GENERIC:
49 		object_type = OBJECT_TYPE_GENERIC;
50 		break;
51 	default:
52 		object_type = OBJECT_TYPE_UNKNOWN;
53 		break;
54 	}
55 
56 	return object_type;
57 }
58 
enum_id_from_bios_object_id(uint32_t bios_object_id)59 static enum object_enum_id enum_id_from_bios_object_id(uint32_t bios_object_id)
60 {
61 	uint32_t bios_enum_id =
62 			(bios_object_id & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
63 	enum object_enum_id id;
64 
65 	switch (bios_enum_id) {
66 	case GRAPH_OBJECT_ENUM_ID1:
67 		id = ENUM_ID_1;
68 		break;
69 	case GRAPH_OBJECT_ENUM_ID2:
70 		id = ENUM_ID_2;
71 		break;
72 	case GRAPH_OBJECT_ENUM_ID3:
73 		id = ENUM_ID_3;
74 		break;
75 	case GRAPH_OBJECT_ENUM_ID4:
76 		id = ENUM_ID_4;
77 		break;
78 	case GRAPH_OBJECT_ENUM_ID5:
79 		id = ENUM_ID_5;
80 		break;
81 	case GRAPH_OBJECT_ENUM_ID6:
82 		id = ENUM_ID_6;
83 		break;
84 	case GRAPH_OBJECT_ENUM_ID7:
85 		id = ENUM_ID_7;
86 		break;
87 	default:
88 		id = ENUM_ID_UNKNOWN;
89 		break;
90 	}
91 
92 	return id;
93 }
94 
gpu_id_from_bios_object_id(uint32_t bios_object_id)95 static uint32_t gpu_id_from_bios_object_id(uint32_t bios_object_id)
96 {
97 	return (bios_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
98 }
99 
encoder_id_from_bios_object_id(uint32_t bios_object_id)100 static enum encoder_id encoder_id_from_bios_object_id(uint32_t bios_object_id)
101 {
102 	uint32_t bios_encoder_id = gpu_id_from_bios_object_id(bios_object_id);
103 	enum encoder_id id;
104 
105 	switch (bios_encoder_id) {
106 	case ENCODER_OBJECT_ID_INTERNAL_LVDS:
107 		id = ENCODER_ID_INTERNAL_LVDS;
108 		break;
109 	case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
110 		id = ENCODER_ID_INTERNAL_TMDS1;
111 		break;
112 	case ENCODER_OBJECT_ID_INTERNAL_TMDS2:
113 		id = ENCODER_ID_INTERNAL_TMDS2;
114 		break;
115 	case ENCODER_OBJECT_ID_INTERNAL_DAC1:
116 		id = ENCODER_ID_INTERNAL_DAC1;
117 		break;
118 	case ENCODER_OBJECT_ID_INTERNAL_DAC2:
119 		id = ENCODER_ID_INTERNAL_DAC2;
120 		break;
121 	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
122 		id = ENCODER_ID_INTERNAL_LVTM1;
123 		break;
124 	case ENCODER_OBJECT_ID_HDMI_INTERNAL:
125 		id = ENCODER_ID_INTERNAL_HDMI;
126 		break;
127 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
128 		id = ENCODER_ID_INTERNAL_KLDSCP_TMDS1;
129 		break;
130 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
131 		id = ENCODER_ID_INTERNAL_KLDSCP_DAC1;
132 		break;
133 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
134 		id = ENCODER_ID_INTERNAL_KLDSCP_DAC2;
135 		break;
136 	case ENCODER_OBJECT_ID_MVPU_FPGA:
137 		id = ENCODER_ID_EXTERNAL_MVPU_FPGA;
138 		break;
139 	case ENCODER_OBJECT_ID_INTERNAL_DDI:
140 		id = ENCODER_ID_INTERNAL_DDI;
141 		break;
142 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
143 		id = ENCODER_ID_INTERNAL_UNIPHY;
144 		break;
145 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
146 		id = ENCODER_ID_INTERNAL_KLDSCP_LVTMA;
147 		break;
148 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
149 		id = ENCODER_ID_INTERNAL_UNIPHY1;
150 		break;
151 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
152 		id = ENCODER_ID_INTERNAL_UNIPHY2;
153 		break;
154 	case ENCODER_OBJECT_ID_ALMOND: /* ENCODER_OBJECT_ID_NUTMEG */
155 		id = ENCODER_ID_EXTERNAL_NUTMEG;
156 		break;
157 	case ENCODER_OBJECT_ID_TRAVIS:
158 		id = ENCODER_ID_EXTERNAL_TRAVIS;
159 		break;
160 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
161 		id = ENCODER_ID_INTERNAL_UNIPHY3;
162 		break;
163 	default:
164 		id = ENCODER_ID_UNKNOWN;
165 		ASSERT(0);
166 		break;
167 	}
168 
169 	return id;
170 }
171 
connector_id_from_bios_object_id(uint32_t bios_object_id)172 static enum connector_id connector_id_from_bios_object_id(
173 	uint32_t bios_object_id)
174 {
175 	uint32_t bios_connector_id = gpu_id_from_bios_object_id(bios_object_id);
176 
177 	enum connector_id id;
178 
179 	switch (bios_connector_id) {
180 	case CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I:
181 		id = CONNECTOR_ID_SINGLE_LINK_DVII;
182 		break;
183 	case CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I:
184 		id = CONNECTOR_ID_DUAL_LINK_DVII;
185 		break;
186 	case CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D:
187 		id = CONNECTOR_ID_SINGLE_LINK_DVID;
188 		break;
189 	case CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D:
190 		id = CONNECTOR_ID_DUAL_LINK_DVID;
191 		break;
192 	case CONNECTOR_OBJECT_ID_VGA:
193 		id = CONNECTOR_ID_VGA;
194 		break;
195 	case CONNECTOR_OBJECT_ID_HDMI_TYPE_A:
196 		id = CONNECTOR_ID_HDMI_TYPE_A;
197 		break;
198 	case CONNECTOR_OBJECT_ID_LVDS:
199 		id = CONNECTOR_ID_LVDS;
200 		break;
201 	case CONNECTOR_OBJECT_ID_PCIE_CONNECTOR:
202 		id = CONNECTOR_ID_PCIE;
203 		break;
204 	case CONNECTOR_OBJECT_ID_HARDCODE_DVI:
205 		id = CONNECTOR_ID_HARDCODE_DVI;
206 		break;
207 	case CONNECTOR_OBJECT_ID_DISPLAYPORT:
208 		id = CONNECTOR_ID_DISPLAY_PORT;
209 		break;
210 	case CONNECTOR_OBJECT_ID_eDP:
211 		id = CONNECTOR_ID_EDP;
212 		break;
213 	case CONNECTOR_OBJECT_ID_MXM:
214 		id = CONNECTOR_ID_MXM;
215 		break;
216 	case CONNECTOR_OBJECT_ID_USBC:
217 		id = CONNECTOR_ID_USBC;
218 		break;
219 	default:
220 		id = CONNECTOR_ID_UNKNOWN;
221 		break;
222 	}
223 
224 	return id;
225 }
226 
generic_id_from_bios_object_id(uint32_t bios_object_id)227 static enum generic_id generic_id_from_bios_object_id(uint32_t bios_object_id)
228 {
229 	uint32_t bios_generic_id = gpu_id_from_bios_object_id(bios_object_id);
230 
231 	enum generic_id id;
232 
233 	switch (bios_generic_id) {
234 	case GENERIC_OBJECT_ID_MXM_OPM:
235 		id = GENERIC_ID_MXM_OPM;
236 		break;
237 	case GENERIC_OBJECT_ID_GLSYNC:
238 		id = GENERIC_ID_GLSYNC;
239 		break;
240 	case GENERIC_OBJECT_ID_STEREO_PIN:
241 		id = GENERIC_ID_STEREO;
242 		break;
243 	default:
244 		id = GENERIC_ID_UNKNOWN;
245 		break;
246 	}
247 
248 	return id;
249 }
250 
id_from_bios_object_id(enum object_type type,uint32_t bios_object_id)251 static uint32_t id_from_bios_object_id(enum object_type type,
252 	uint32_t bios_object_id)
253 {
254 	switch (type) {
255 	case OBJECT_TYPE_GPU:
256 		return gpu_id_from_bios_object_id(bios_object_id);
257 	case OBJECT_TYPE_ENCODER:
258 		return (uint32_t)encoder_id_from_bios_object_id(bios_object_id);
259 	case OBJECT_TYPE_CONNECTOR:
260 		return (uint32_t)connector_id_from_bios_object_id(
261 				bios_object_id);
262 	case OBJECT_TYPE_GENERIC:
263 		return generic_id_from_bios_object_id(bios_object_id);
264 	default:
265 		return 0;
266 	}
267 }
268 
object_id_from_bios_object_id(uint32_t bios_object_id)269 struct graphics_object_id object_id_from_bios_object_id(uint32_t bios_object_id)
270 {
271 	enum object_type type;
272 	enum object_enum_id enum_id;
273 	struct graphics_object_id go_id = { 0 };
274 
275 	type = object_type_from_bios_object_id(bios_object_id);
276 
277 	if (OBJECT_TYPE_UNKNOWN == type)
278 		return go_id;
279 
280 	enum_id = enum_id_from_bios_object_id(bios_object_id);
281 
282 	if (ENUM_ID_UNKNOWN == enum_id)
283 		return go_id;
284 
285 	go_id = dal_graphics_object_id_init(
286 			id_from_bios_object_id(type, bios_object_id), enum_id, type);
287 
288 	return go_id;
289 }
290 
291 
292