1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright © 2020 Intel Corporation
4  */
5 
6 #include "i915_drv.h"
7 #include "intel_ddi.h"
8 #include "intel_ddi_buf_trans.h"
9 #include "intel_de.h"
10 #include "intel_display_types.h"
11 
12 /* HDMI/DVI modes ignore everything but the last 2 items. So we share
13  * them for both DP and FDI transports, allowing those ports to
14  * automatically adapt to HDMI connections as well
15  */
16 static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_dp[] = {
17 	{ .hsw = { 0x00FFFFFF, 0x0006000E, 0x0 } },
18 	{ .hsw = { 0x00D75FFF, 0x0005000A, 0x0 } },
19 	{ .hsw = { 0x00C30FFF, 0x00040006, 0x0 } },
20 	{ .hsw = { 0x80AAAFFF, 0x000B0000, 0x0 } },
21 	{ .hsw = { 0x00FFFFFF, 0x0005000A, 0x0 } },
22 	{ .hsw = { 0x00D75FFF, 0x000C0004, 0x0 } },
23 	{ .hsw = { 0x80C30FFF, 0x000B0000, 0x0 } },
24 	{ .hsw = { 0x00FFFFFF, 0x00040006, 0x0 } },
25 	{ .hsw = { 0x80D75FFF, 0x000B0000, 0x0 } },
26 };
27 
28 static const struct intel_ddi_buf_trans hsw_ddi_translations_dp = {
29 	.entries = _hsw_ddi_translations_dp,
30 	.num_entries = ARRAY_SIZE(_hsw_ddi_translations_dp),
31 };
32 
33 static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_fdi[] = {
34 	{ .hsw = { 0x00FFFFFF, 0x0007000E, 0x0 } },
35 	{ .hsw = { 0x00D75FFF, 0x000F000A, 0x0 } },
36 	{ .hsw = { 0x00C30FFF, 0x00060006, 0x0 } },
37 	{ .hsw = { 0x00AAAFFF, 0x001E0000, 0x0 } },
38 	{ .hsw = { 0x00FFFFFF, 0x000F000A, 0x0 } },
39 	{ .hsw = { 0x00D75FFF, 0x00160004, 0x0 } },
40 	{ .hsw = { 0x00C30FFF, 0x001E0000, 0x0 } },
41 	{ .hsw = { 0x00FFFFFF, 0x00060006, 0x0 } },
42 	{ .hsw = { 0x00D75FFF, 0x001E0000, 0x0 } },
43 };
44 
45 static const struct intel_ddi_buf_trans hsw_ddi_translations_fdi = {
46 	.entries = _hsw_ddi_translations_fdi,
47 	.num_entries = ARRAY_SIZE(_hsw_ddi_translations_fdi),
48 };
49 
50 static const union intel_ddi_buf_trans_entry _hsw_ddi_translations_hdmi[] = {
51 							/* Idx	NT mV d	T mV d	db	*/
52 	{ .hsw = { 0x00FFFFFF, 0x0006000E, 0x0 } },	/* 0:	400	400	0	*/
53 	{ .hsw = { 0x00E79FFF, 0x000E000C, 0x0 } },	/* 1:	400	500	2	*/
54 	{ .hsw = { 0x00D75FFF, 0x0005000A, 0x0 } },	/* 2:	400	600	3.5	*/
55 	{ .hsw = { 0x00FFFFFF, 0x0005000A, 0x0 } },	/* 3:	600	600	0	*/
56 	{ .hsw = { 0x00E79FFF, 0x001D0007, 0x0 } },	/* 4:	600	750	2	*/
57 	{ .hsw = { 0x00D75FFF, 0x000C0004, 0x0 } },	/* 5:	600	900	3.5	*/
58 	{ .hsw = { 0x00FFFFFF, 0x00040006, 0x0 } },	/* 6:	800	800	0	*/
59 	{ .hsw = { 0x80E79FFF, 0x00030002, 0x0 } },	/* 7:	800	1000	2	*/
60 	{ .hsw = { 0x00FFFFFF, 0x00140005, 0x0 } },	/* 8:	850	850	0	*/
61 	{ .hsw = { 0x00FFFFFF, 0x000C0004, 0x0 } },	/* 9:	900	900	0	*/
62 	{ .hsw = { 0x00FFFFFF, 0x001C0003, 0x0 } },	/* 10:	950	950	0	*/
63 	{ .hsw = { 0x80FFFFFF, 0x00030002, 0x0 } },	/* 11:	1000	1000	0	*/
64 };
65 
66 static const struct intel_ddi_buf_trans hsw_ddi_translations_hdmi = {
67 	.entries = _hsw_ddi_translations_hdmi,
68 	.num_entries = ARRAY_SIZE(_hsw_ddi_translations_hdmi),
69 	.hdmi_default_entry = 6,
70 };
71 
72 static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_edp[] = {
73 	{ .hsw = { 0x00FFFFFF, 0x00000012, 0x0 } },
74 	{ .hsw = { 0x00EBAFFF, 0x00020011, 0x0 } },
75 	{ .hsw = { 0x00C71FFF, 0x0006000F, 0x0 } },
76 	{ .hsw = { 0x00AAAFFF, 0x000E000A, 0x0 } },
77 	{ .hsw = { 0x00FFFFFF, 0x00020011, 0x0 } },
78 	{ .hsw = { 0x00DB6FFF, 0x0005000F, 0x0 } },
79 	{ .hsw = { 0x00BEEFFF, 0x000A000C, 0x0 } },
80 	{ .hsw = { 0x00FFFFFF, 0x0005000F, 0x0 } },
81 	{ .hsw = { 0x00DB6FFF, 0x000A000C, 0x0 } },
82 };
83 
84 static const struct intel_ddi_buf_trans bdw_ddi_translations_edp = {
85 	.entries = _bdw_ddi_translations_edp,
86 	.num_entries = ARRAY_SIZE(_bdw_ddi_translations_edp),
87 };
88 
89 static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_dp[] = {
90 	{ .hsw = { 0x00FFFFFF, 0x0007000E, 0x0 } },
91 	{ .hsw = { 0x00D75FFF, 0x000E000A, 0x0 } },
92 	{ .hsw = { 0x00BEFFFF, 0x00140006, 0x0 } },
93 	{ .hsw = { 0x80B2CFFF, 0x001B0002, 0x0 } },
94 	{ .hsw = { 0x00FFFFFF, 0x000E000A, 0x0 } },
95 	{ .hsw = { 0x00DB6FFF, 0x00160005, 0x0 } },
96 	{ .hsw = { 0x80C71FFF, 0x001A0002, 0x0 } },
97 	{ .hsw = { 0x00F7DFFF, 0x00180004, 0x0 } },
98 	{ .hsw = { 0x80D75FFF, 0x001B0002, 0x0 } },
99 };
100 
101 static const struct intel_ddi_buf_trans bdw_ddi_translations_dp = {
102 	.entries = _bdw_ddi_translations_dp,
103 	.num_entries = ARRAY_SIZE(_bdw_ddi_translations_dp),
104 };
105 
106 static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_fdi[] = {
107 	{ .hsw = { 0x00FFFFFF, 0x0001000E, 0x0 } },
108 	{ .hsw = { 0x00D75FFF, 0x0004000A, 0x0 } },
109 	{ .hsw = { 0x00C30FFF, 0x00070006, 0x0 } },
110 	{ .hsw = { 0x00AAAFFF, 0x000C0000, 0x0 } },
111 	{ .hsw = { 0x00FFFFFF, 0x0004000A, 0x0 } },
112 	{ .hsw = { 0x00D75FFF, 0x00090004, 0x0 } },
113 	{ .hsw = { 0x00C30FFF, 0x000C0000, 0x0 } },
114 	{ .hsw = { 0x00FFFFFF, 0x00070006, 0x0 } },
115 	{ .hsw = { 0x00D75FFF, 0x000C0000, 0x0 } },
116 };
117 
118 static const struct intel_ddi_buf_trans bdw_ddi_translations_fdi = {
119 	.entries = _bdw_ddi_translations_fdi,
120 	.num_entries = ARRAY_SIZE(_bdw_ddi_translations_fdi),
121 };
122 
123 static const union intel_ddi_buf_trans_entry _bdw_ddi_translations_hdmi[] = {
124 							/* Idx	NT mV d	T mV df	db	*/
125 	{ .hsw = { 0x00FFFFFF, 0x0007000E, 0x0 } },	/* 0:	400	400	0	*/
126 	{ .hsw = { 0x00D75FFF, 0x000E000A, 0x0 } },	/* 1:	400	600	3.5	*/
127 	{ .hsw = { 0x00BEFFFF, 0x00140006, 0x0 } },	/* 2:	400	800	6	*/
128 	{ .hsw = { 0x00FFFFFF, 0x0009000D, 0x0 } },	/* 3:	450	450	0	*/
129 	{ .hsw = { 0x00FFFFFF, 0x000E000A, 0x0 } },	/* 4:	600	600	0	*/
130 	{ .hsw = { 0x00D7FFFF, 0x00140006, 0x0 } },	/* 5:	600	800	2.5	*/
131 	{ .hsw = { 0x80CB2FFF, 0x001B0002, 0x0 } },	/* 6:	600	1000	4.5	*/
132 	{ .hsw = { 0x00FFFFFF, 0x00140006, 0x0 } },	/* 7:	800	800	0	*/
133 	{ .hsw = { 0x80E79FFF, 0x001B0002, 0x0 } },	/* 8:	800	1000	2	*/
134 	{ .hsw = { 0x80FFFFFF, 0x001B0002, 0x0 } },	/* 9:	1000	1000	0	*/
135 };
136 
137 static const struct intel_ddi_buf_trans bdw_ddi_translations_hdmi = {
138 	.entries = _bdw_ddi_translations_hdmi,
139 	.num_entries = ARRAY_SIZE(_bdw_ddi_translations_hdmi),
140 	.hdmi_default_entry = 7,
141 };
142 
143 /* Skylake H and S */
144 static const union intel_ddi_buf_trans_entry _skl_ddi_translations_dp[] = {
145 	{ .hsw = { 0x00002016, 0x000000A0, 0x0 } },
146 	{ .hsw = { 0x00005012, 0x0000009B, 0x0 } },
147 	{ .hsw = { 0x00007011, 0x00000088, 0x0 } },
148 	{ .hsw = { 0x80009010, 0x000000C0, 0x1 } },
149 	{ .hsw = { 0x00002016, 0x0000009B, 0x0 } },
150 	{ .hsw = { 0x00005012, 0x00000088, 0x0 } },
151 	{ .hsw = { 0x80007011, 0x000000C0, 0x1 } },
152 	{ .hsw = { 0x00002016, 0x000000DF, 0x0 } },
153 	{ .hsw = { 0x80005012, 0x000000C0, 0x1 } },
154 };
155 
156 static const struct intel_ddi_buf_trans skl_ddi_translations_dp = {
157 	.entries = _skl_ddi_translations_dp,
158 	.num_entries = ARRAY_SIZE(_skl_ddi_translations_dp),
159 };
160 
161 /* Skylake U */
162 static const union intel_ddi_buf_trans_entry _skl_u_ddi_translations_dp[] = {
163 	{ .hsw = { 0x0000201B, 0x000000A2, 0x0 } },
164 	{ .hsw = { 0x00005012, 0x00000088, 0x0 } },
165 	{ .hsw = { 0x80007011, 0x000000CD, 0x1 } },
166 	{ .hsw = { 0x80009010, 0x000000C0, 0x1 } },
167 	{ .hsw = { 0x0000201B, 0x0000009D, 0x0 } },
168 	{ .hsw = { 0x80005012, 0x000000C0, 0x1 } },
169 	{ .hsw = { 0x80007011, 0x000000C0, 0x1 } },
170 	{ .hsw = { 0x00002016, 0x00000088, 0x0 } },
171 	{ .hsw = { 0x80005012, 0x000000C0, 0x1 } },
172 };
173 
174 static const struct intel_ddi_buf_trans skl_u_ddi_translations_dp = {
175 	.entries = _skl_u_ddi_translations_dp,
176 	.num_entries = ARRAY_SIZE(_skl_u_ddi_translations_dp),
177 };
178 
179 /* Skylake Y */
180 static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_dp[] = {
181 	{ .hsw = { 0x00000018, 0x000000A2, 0x0 } },
182 	{ .hsw = { 0x00005012, 0x00000088, 0x0 } },
183 	{ .hsw = { 0x80007011, 0x000000CD, 0x3 } },
184 	{ .hsw = { 0x80009010, 0x000000C0, 0x3 } },
185 	{ .hsw = { 0x00000018, 0x0000009D, 0x0 } },
186 	{ .hsw = { 0x80005012, 0x000000C0, 0x3 } },
187 	{ .hsw = { 0x80007011, 0x000000C0, 0x3 } },
188 	{ .hsw = { 0x00000018, 0x00000088, 0x0 } },
189 	{ .hsw = { 0x80005012, 0x000000C0, 0x3 } },
190 };
191 
192 static const struct intel_ddi_buf_trans skl_y_ddi_translations_dp = {
193 	.entries = _skl_y_ddi_translations_dp,
194 	.num_entries = ARRAY_SIZE(_skl_y_ddi_translations_dp),
195 };
196 
197 /* Kabylake H and S */
198 static const union intel_ddi_buf_trans_entry _kbl_ddi_translations_dp[] = {
199 	{ .hsw = { 0x00002016, 0x000000A0, 0x0 } },
200 	{ .hsw = { 0x00005012, 0x0000009B, 0x0 } },
201 	{ .hsw = { 0x00007011, 0x00000088, 0x0 } },
202 	{ .hsw = { 0x80009010, 0x000000C0, 0x1 } },
203 	{ .hsw = { 0x00002016, 0x0000009B, 0x0 } },
204 	{ .hsw = { 0x00005012, 0x00000088, 0x0 } },
205 	{ .hsw = { 0x80007011, 0x000000C0, 0x1 } },
206 	{ .hsw = { 0x00002016, 0x00000097, 0x0 } },
207 	{ .hsw = { 0x80005012, 0x000000C0, 0x1 } },
208 };
209 
210 static const struct intel_ddi_buf_trans kbl_ddi_translations_dp = {
211 	.entries = _kbl_ddi_translations_dp,
212 	.num_entries = ARRAY_SIZE(_kbl_ddi_translations_dp),
213 };
214 
215 /* Kabylake U */
216 static const union intel_ddi_buf_trans_entry _kbl_u_ddi_translations_dp[] = {
217 	{ .hsw = { 0x0000201B, 0x000000A1, 0x0 } },
218 	{ .hsw = { 0x00005012, 0x00000088, 0x0 } },
219 	{ .hsw = { 0x80007011, 0x000000CD, 0x3 } },
220 	{ .hsw = { 0x80009010, 0x000000C0, 0x3 } },
221 	{ .hsw = { 0x0000201B, 0x0000009D, 0x0 } },
222 	{ .hsw = { 0x80005012, 0x000000C0, 0x3 } },
223 	{ .hsw = { 0x80007011, 0x000000C0, 0x3 } },
224 	{ .hsw = { 0x00002016, 0x0000004F, 0x0 } },
225 	{ .hsw = { 0x80005012, 0x000000C0, 0x3 } },
226 };
227 
228 static const struct intel_ddi_buf_trans kbl_u_ddi_translations_dp = {
229 	.entries = _kbl_u_ddi_translations_dp,
230 	.num_entries = ARRAY_SIZE(_kbl_u_ddi_translations_dp),
231 };
232 
233 /* Kabylake Y */
234 static const union intel_ddi_buf_trans_entry _kbl_y_ddi_translations_dp[] = {
235 	{ .hsw = { 0x00001017, 0x000000A1, 0x0 } },
236 	{ .hsw = { 0x00005012, 0x00000088, 0x0 } },
237 	{ .hsw = { 0x80007011, 0x000000CD, 0x3 } },
238 	{ .hsw = { 0x8000800F, 0x000000C0, 0x3 } },
239 	{ .hsw = { 0x00001017, 0x0000009D, 0x0 } },
240 	{ .hsw = { 0x80005012, 0x000000C0, 0x3 } },
241 	{ .hsw = { 0x80007011, 0x000000C0, 0x3 } },
242 	{ .hsw = { 0x00001017, 0x0000004C, 0x0 } },
243 	{ .hsw = { 0x80005012, 0x000000C0, 0x3 } },
244 };
245 
246 static const struct intel_ddi_buf_trans kbl_y_ddi_translations_dp = {
247 	.entries = _kbl_y_ddi_translations_dp,
248 	.num_entries = ARRAY_SIZE(_kbl_y_ddi_translations_dp),
249 };
250 
251 /*
252  * Skylake/Kabylake H and S
253  * eDP 1.4 low vswing translation parameters
254  */
255 static const union intel_ddi_buf_trans_entry _skl_ddi_translations_edp[] = {
256 	{ .hsw = { 0x00000018, 0x000000A8, 0x0 } },
257 	{ .hsw = { 0x00004013, 0x000000A9, 0x0 } },
258 	{ .hsw = { 0x00007011, 0x000000A2, 0x0 } },
259 	{ .hsw = { 0x00009010, 0x0000009C, 0x0 } },
260 	{ .hsw = { 0x00000018, 0x000000A9, 0x0 } },
261 	{ .hsw = { 0x00006013, 0x000000A2, 0x0 } },
262 	{ .hsw = { 0x00007011, 0x000000A6, 0x0 } },
263 	{ .hsw = { 0x00000018, 0x000000AB, 0x0 } },
264 	{ .hsw = { 0x00007013, 0x0000009F, 0x0 } },
265 	{ .hsw = { 0x00000018, 0x000000DF, 0x0 } },
266 };
267 
268 static const struct intel_ddi_buf_trans skl_ddi_translations_edp = {
269 	.entries = _skl_ddi_translations_edp,
270 	.num_entries = ARRAY_SIZE(_skl_ddi_translations_edp),
271 };
272 
273 /*
274  * Skylake/Kabylake U
275  * eDP 1.4 low vswing translation parameters
276  */
277 static const union intel_ddi_buf_trans_entry _skl_u_ddi_translations_edp[] = {
278 	{ .hsw = { 0x00000018, 0x000000A8, 0x0 } },
279 	{ .hsw = { 0x00004013, 0x000000A9, 0x0 } },
280 	{ .hsw = { 0x00007011, 0x000000A2, 0x0 } },
281 	{ .hsw = { 0x00009010, 0x0000009C, 0x0 } },
282 	{ .hsw = { 0x00000018, 0x000000A9, 0x0 } },
283 	{ .hsw = { 0x00006013, 0x000000A2, 0x0 } },
284 	{ .hsw = { 0x00007011, 0x000000A6, 0x0 } },
285 	{ .hsw = { 0x00002016, 0x000000AB, 0x0 } },
286 	{ .hsw = { 0x00005013, 0x0000009F, 0x0 } },
287 	{ .hsw = { 0x00000018, 0x000000DF, 0x0 } },
288 };
289 
290 static const struct intel_ddi_buf_trans skl_u_ddi_translations_edp = {
291 	.entries = _skl_u_ddi_translations_edp,
292 	.num_entries = ARRAY_SIZE(_skl_u_ddi_translations_edp),
293 };
294 
295 /*
296  * Skylake/Kabylake Y
297  * eDP 1.4 low vswing translation parameters
298  */
299 static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_edp[] = {
300 	{ .hsw = { 0x00000018, 0x000000A8, 0x0 } },
301 	{ .hsw = { 0x00004013, 0x000000AB, 0x0 } },
302 	{ .hsw = { 0x00007011, 0x000000A4, 0x0 } },
303 	{ .hsw = { 0x00009010, 0x000000DF, 0x0 } },
304 	{ .hsw = { 0x00000018, 0x000000AA, 0x0 } },
305 	{ .hsw = { 0x00006013, 0x000000A4, 0x0 } },
306 	{ .hsw = { 0x00007011, 0x0000009D, 0x0 } },
307 	{ .hsw = { 0x00000018, 0x000000A0, 0x0 } },
308 	{ .hsw = { 0x00006012, 0x000000DF, 0x0 } },
309 	{ .hsw = { 0x00000018, 0x0000008A, 0x0 } },
310 };
311 
312 static const struct intel_ddi_buf_trans skl_y_ddi_translations_edp = {
313 	.entries = _skl_y_ddi_translations_edp,
314 	.num_entries = ARRAY_SIZE(_skl_y_ddi_translations_edp),
315 };
316 
317 /* Skylake/Kabylake U, H and S */
318 static const union intel_ddi_buf_trans_entry _skl_ddi_translations_hdmi[] = {
319 	{ .hsw = { 0x00000018, 0x000000AC, 0x0 } },
320 	{ .hsw = { 0x00005012, 0x0000009D, 0x0 } },
321 	{ .hsw = { 0x00007011, 0x00000088, 0x0 } },
322 	{ .hsw = { 0x00000018, 0x000000A1, 0x0 } },
323 	{ .hsw = { 0x00000018, 0x00000098, 0x0 } },
324 	{ .hsw = { 0x00004013, 0x00000088, 0x0 } },
325 	{ .hsw = { 0x80006012, 0x000000CD, 0x1 } },
326 	{ .hsw = { 0x00000018, 0x000000DF, 0x0 } },
327 	{ .hsw = { 0x80003015, 0x000000CD, 0x1 } },	/* Default */
328 	{ .hsw = { 0x80003015, 0x000000C0, 0x1 } },
329 	{ .hsw = { 0x80000018, 0x000000C0, 0x1 } },
330 };
331 
332 static const struct intel_ddi_buf_trans skl_ddi_translations_hdmi = {
333 	.entries = _skl_ddi_translations_hdmi,
334 	.num_entries = ARRAY_SIZE(_skl_ddi_translations_hdmi),
335 	.hdmi_default_entry = 8,
336 };
337 
338 /* Skylake/Kabylake Y */
339 static const union intel_ddi_buf_trans_entry _skl_y_ddi_translations_hdmi[] = {
340 	{ .hsw = { 0x00000018, 0x000000A1, 0x0 } },
341 	{ .hsw = { 0x00005012, 0x000000DF, 0x0 } },
342 	{ .hsw = { 0x80007011, 0x000000CB, 0x3 } },
343 	{ .hsw = { 0x00000018, 0x000000A4, 0x0 } },
344 	{ .hsw = { 0x00000018, 0x0000009D, 0x0 } },
345 	{ .hsw = { 0x00004013, 0x00000080, 0x0 } },
346 	{ .hsw = { 0x80006013, 0x000000C0, 0x3 } },
347 	{ .hsw = { 0x00000018, 0x0000008A, 0x0 } },
348 	{ .hsw = { 0x80003015, 0x000000C0, 0x3 } },	/* Default */
349 	{ .hsw = { 0x80003015, 0x000000C0, 0x3 } },
350 	{ .hsw = { 0x80000018, 0x000000C0, 0x3 } },
351 };
352 
353 static const struct intel_ddi_buf_trans skl_y_ddi_translations_hdmi = {
354 	.entries = _skl_y_ddi_translations_hdmi,
355 	.num_entries = ARRAY_SIZE(_skl_y_ddi_translations_hdmi),
356 	.hdmi_default_entry = 8,
357 };
358 
359 static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_dp[] = {
360 						/* Idx	NT mV diff	db  */
361 	{ .bxt = { 52,  0x9A, 0, 128, } },	/* 0:	400		0   */
362 	{ .bxt = { 78,  0x9A, 0, 85,  } },	/* 1:	400		3.5 */
363 	{ .bxt = { 104, 0x9A, 0, 64,  } },	/* 2:	400		6   */
364 	{ .bxt = { 154, 0x9A, 0, 43,  } },	/* 3:	400		9.5 */
365 	{ .bxt = { 77,  0x9A, 0, 128, } },	/* 4:	600		0   */
366 	{ .bxt = { 116, 0x9A, 0, 85,  } },	/* 5:	600		3.5 */
367 	{ .bxt = { 154, 0x9A, 0, 64,  } },	/* 6:	600		6   */
368 	{ .bxt = { 102, 0x9A, 0, 128, } },	/* 7:	800		0   */
369 	{ .bxt = { 154, 0x9A, 0, 85,  } },	/* 8:	800		3.5 */
370 	{ .bxt = { 154, 0x9A, 1, 128, } },	/* 9:	1200		0   */
371 };
372 
373 static const struct intel_ddi_buf_trans bxt_ddi_translations_dp = {
374 	.entries = _bxt_ddi_translations_dp,
375 	.num_entries = ARRAY_SIZE(_bxt_ddi_translations_dp),
376 };
377 
378 static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_edp[] = {
379 					/* Idx	NT mV diff	db  */
380 	{ .bxt = { 26, 0, 0, 128, } },	/* 0:	200		0   */
381 	{ .bxt = { 38, 0, 0, 112, } },	/* 1:	200		1.5 */
382 	{ .bxt = { 48, 0, 0, 96,  } },	/* 2:	200		4   */
383 	{ .bxt = { 54, 0, 0, 69,  } },	/* 3:	200		6   */
384 	{ .bxt = { 32, 0, 0, 128, } },	/* 4:	250		0   */
385 	{ .bxt = { 48, 0, 0, 104, } },	/* 5:	250		1.5 */
386 	{ .bxt = { 54, 0, 0, 85,  } },	/* 6:	250		4   */
387 	{ .bxt = { 43, 0, 0, 128, } },	/* 7:	300		0   */
388 	{ .bxt = { 54, 0, 0, 101, } },	/* 8:	300		1.5 */
389 	{ .bxt = { 48, 0, 0, 128, } },	/* 9:	300		0   */
390 };
391 
392 static const struct intel_ddi_buf_trans bxt_ddi_translations_edp = {
393 	.entries = _bxt_ddi_translations_edp,
394 	.num_entries = ARRAY_SIZE(_bxt_ddi_translations_edp),
395 };
396 
397 /* BSpec has 2 recommended values - entries 0 and 8.
398  * Using the entry with higher vswing.
399  */
400 static const union intel_ddi_buf_trans_entry _bxt_ddi_translations_hdmi[] = {
401 						/* Idx	NT mV diff	db  */
402 	{ .bxt = { 52,  0x9A, 0, 128, } },	/* 0:	400		0   */
403 	{ .bxt = { 52,  0x9A, 0, 85,  } },	/* 1:	400		3.5 */
404 	{ .bxt = { 52,  0x9A, 0, 64,  } },	/* 2:	400		6   */
405 	{ .bxt = { 42,  0x9A, 0, 43,  } },	/* 3:	400		9.5 */
406 	{ .bxt = { 77,  0x9A, 0, 128, } },	/* 4:	600		0   */
407 	{ .bxt = { 77,  0x9A, 0, 85,  } },	/* 5:	600		3.5 */
408 	{ .bxt = { 77,  0x9A, 0, 64,  } },	/* 6:	600		6   */
409 	{ .bxt = { 102, 0x9A, 0, 128, } },	/* 7:	800		0   */
410 	{ .bxt = { 102, 0x9A, 0, 85,  } },	/* 8:	800		3.5 */
411 	{ .bxt = { 154, 0x9A, 1, 128, } },	/* 9:	1200		0   */
412 };
413 
414 static const struct intel_ddi_buf_trans bxt_ddi_translations_hdmi = {
415 	.entries = _bxt_ddi_translations_hdmi,
416 	.num_entries = ARRAY_SIZE(_bxt_ddi_translations_hdmi),
417 	.hdmi_default_entry = ARRAY_SIZE(_bxt_ddi_translations_hdmi) - 1,
418 };
419 
420 /* Voltage Swing Programming for VccIO 0.85V for DP */
421 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_dp_0_85V[] = {
422 							/* NT mV Trans mV db    */
423 	{ .cnl = { 0xA, 0x5D, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
424 	{ .cnl = { 0xA, 0x6A, 0x38, 0x00, 0x07 } },	/* 350   500      3.1   */
425 	{ .cnl = { 0xB, 0x7A, 0x32, 0x00, 0x0D } },	/* 350   700      6.0   */
426 	{ .cnl = { 0x6, 0x7C, 0x2D, 0x00, 0x12 } },	/* 350   900      8.2   */
427 	{ .cnl = { 0xA, 0x69, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
428 	{ .cnl = { 0xB, 0x7A, 0x36, 0x00, 0x09 } },	/* 500   700      2.9   */
429 	{ .cnl = { 0x6, 0x7C, 0x30, 0x00, 0x0F } },	/* 500   900      5.1   */
430 	{ .cnl = { 0xB, 0x7D, 0x3C, 0x00, 0x03 } },	/* 650   725      0.9   */
431 	{ .cnl = { 0x6, 0x7C, 0x34, 0x00, 0x0B } },	/* 600   900      3.5   */
432 	{ .cnl = { 0x6, 0x7B, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
433 };
434 
435 static const struct intel_ddi_buf_trans cnl_ddi_translations_dp_0_85V = {
436 	.entries = _cnl_ddi_translations_dp_0_85V,
437 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_dp_0_85V),
438 };
439 
440 /* Voltage Swing Programming for VccIO 0.85V for HDMI */
441 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_hdmi_0_85V[] = {
442 							/* NT mV Trans mV db    */
443 	{ .cnl = { 0xA, 0x60, 0x3F, 0x00, 0x00 } },	/* 450   450      0.0   */
444 	{ .cnl = { 0xB, 0x73, 0x36, 0x00, 0x09 } },	/* 450   650      3.2   */
445 	{ .cnl = { 0x6, 0x7F, 0x31, 0x00, 0x0E } },	/* 450   850      5.5   */
446 	{ .cnl = { 0xB, 0x73, 0x3F, 0x00, 0x00 } },	/* 650   650      0.0   */
447 	{ .cnl = { 0x6, 0x7F, 0x37, 0x00, 0x08 } },	/* 650   850      2.3   */
448 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 850   850      0.0   */
449 	{ .cnl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } },	/* 600   850      3.0   */
450 };
451 
452 static const struct intel_ddi_buf_trans cnl_ddi_translations_hdmi_0_85V = {
453 	.entries = _cnl_ddi_translations_hdmi_0_85V,
454 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_hdmi_0_85V),
455 	.hdmi_default_entry = ARRAY_SIZE(_cnl_ddi_translations_hdmi_0_85V) - 1,
456 };
457 
458 /* Voltage Swing Programming for VccIO 0.85V for eDP */
459 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_edp_0_85V[] = {
460 							/* NT mV Trans mV db    */
461 	{ .cnl = { 0xA, 0x66, 0x3A, 0x00, 0x05 } },	/* 384   500      2.3   */
462 	{ .cnl = { 0x0, 0x7F, 0x38, 0x00, 0x07 } },	/* 153   200      2.3   */
463 	{ .cnl = { 0x8, 0x7F, 0x38, 0x00, 0x07 } },	/* 192   250      2.3   */
464 	{ .cnl = { 0x1, 0x7F, 0x38, 0x00, 0x07 } },	/* 230   300      2.3   */
465 	{ .cnl = { 0x9, 0x7F, 0x38, 0x00, 0x07 } },	/* 269   350      2.3   */
466 	{ .cnl = { 0xA, 0x66, 0x3C, 0x00, 0x03 } },	/* 446   500      1.0   */
467 	{ .cnl = { 0xB, 0x70, 0x3C, 0x00, 0x03 } },	/* 460   600      2.3   */
468 	{ .cnl = { 0xC, 0x75, 0x3C, 0x00, 0x03 } },	/* 537   700      2.3   */
469 	{ .cnl = { 0x2, 0x7F, 0x3F, 0x00, 0x00 } },	/* 400   400      0.0   */
470 };
471 
472 static const struct intel_ddi_buf_trans cnl_ddi_translations_edp_0_85V = {
473 	.entries = _cnl_ddi_translations_edp_0_85V,
474 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_edp_0_85V),
475 };
476 
477 /* Voltage Swing Programming for VccIO 0.95V for DP */
478 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_dp_0_95V[] = {
479 							/* NT mV Trans mV db    */
480 	{ .cnl = { 0xA, 0x5D, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
481 	{ .cnl = { 0xA, 0x6A, 0x38, 0x00, 0x07 } },	/* 350   500      3.1   */
482 	{ .cnl = { 0xB, 0x7A, 0x32, 0x00, 0x0D } },	/* 350   700      6.0   */
483 	{ .cnl = { 0x6, 0x7C, 0x2D, 0x00, 0x12 } },	/* 350   900      8.2   */
484 	{ .cnl = { 0xA, 0x69, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
485 	{ .cnl = { 0xB, 0x7A, 0x36, 0x00, 0x09 } },	/* 500   700      2.9   */
486 	{ .cnl = { 0x6, 0x7C, 0x30, 0x00, 0x0F } },	/* 500   900      5.1   */
487 	{ .cnl = { 0xB, 0x7D, 0x3C, 0x00, 0x03 } },	/* 650   725      0.9   */
488 	{ .cnl = { 0x6, 0x7C, 0x34, 0x00, 0x0B } },	/* 600   900      3.5   */
489 	{ .cnl = { 0x6, 0x7B, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
490 };
491 
492 static const struct intel_ddi_buf_trans cnl_ddi_translations_dp_0_95V = {
493 	.entries = _cnl_ddi_translations_dp_0_95V,
494 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_dp_0_95V),
495 };
496 
497 /* Voltage Swing Programming for VccIO 0.95V for HDMI */
498 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_hdmi_0_95V[] = {
499 							/* NT mV Trans mV db    */
500 	{ .cnl = { 0xA, 0x5C, 0x3F, 0x00, 0x00 } },	/* 400   400      0.0   */
501 	{ .cnl = { 0xB, 0x69, 0x37, 0x00, 0x08 } },	/* 400   600      3.5   */
502 	{ .cnl = { 0x5, 0x76, 0x31, 0x00, 0x0E } },	/* 400   800      6.0   */
503 	{ .cnl = { 0xA, 0x5E, 0x3F, 0x00, 0x00 } },	/* 450   450      0.0   */
504 	{ .cnl = { 0xB, 0x69, 0x3F, 0x00, 0x00 } },	/* 600   600      0.0   */
505 	{ .cnl = { 0xB, 0x79, 0x35, 0x00, 0x0A } },	/* 600   850      3.0   */
506 	{ .cnl = { 0x6, 0x7D, 0x32, 0x00, 0x0D } },	/* 600   1000     4.4   */
507 	{ .cnl = { 0x5, 0x76, 0x3F, 0x00, 0x00 } },	/* 800   800      0.0   */
508 	{ .cnl = { 0x6, 0x7D, 0x39, 0x00, 0x06 } },	/* 800   1000     1.9   */
509 	{ .cnl = { 0x6, 0x7F, 0x39, 0x00, 0x06 } },	/* 850   1050     1.8   */
510 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 1050  1050     0.0   */
511 };
512 
513 static const struct intel_ddi_buf_trans cnl_ddi_translations_hdmi_0_95V = {
514 	.entries = _cnl_ddi_translations_hdmi_0_95V,
515 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_hdmi_0_95V),
516 	.hdmi_default_entry = ARRAY_SIZE(_cnl_ddi_translations_hdmi_0_95V) - 1,
517 };
518 
519 /* Voltage Swing Programming for VccIO 0.95V for eDP */
520 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_edp_0_95V[] = {
521 							/* NT mV Trans mV db    */
522 	{ .cnl = { 0xA, 0x61, 0x3A, 0x00, 0x05 } },	/* 384   500      2.3   */
523 	{ .cnl = { 0x0, 0x7F, 0x38, 0x00, 0x07 } },	/* 153   200      2.3   */
524 	{ .cnl = { 0x8, 0x7F, 0x38, 0x00, 0x07 } },	/* 192   250      2.3   */
525 	{ .cnl = { 0x1, 0x7F, 0x38, 0x00, 0x07 } },	/* 230   300      2.3   */
526 	{ .cnl = { 0x9, 0x7F, 0x38, 0x00, 0x07 } },	/* 269   350      2.3   */
527 	{ .cnl = { 0xA, 0x61, 0x3C, 0x00, 0x03 } },	/* 446   500      1.0   */
528 	{ .cnl = { 0xB, 0x68, 0x39, 0x00, 0x06 } },	/* 460   600      2.3   */
529 	{ .cnl = { 0xC, 0x6E, 0x39, 0x00, 0x06 } },	/* 537   700      2.3   */
530 	{ .cnl = { 0x4, 0x7F, 0x3A, 0x00, 0x05 } },	/* 460   600      2.3   */
531 	{ .cnl = { 0x2, 0x7F, 0x3F, 0x00, 0x00 } },	/* 400   400      0.0   */
532 };
533 
534 static const struct intel_ddi_buf_trans cnl_ddi_translations_edp_0_95V = {
535 	.entries = _cnl_ddi_translations_edp_0_95V,
536 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_edp_0_95V),
537 };
538 
539 /* Voltage Swing Programming for VccIO 1.05V for DP */
540 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_dp_1_05V[] = {
541 							/* NT mV Trans mV db    */
542 	{ .cnl = { 0xA, 0x58, 0x3F, 0x00, 0x00 } },	/* 400   400      0.0   */
543 	{ .cnl = { 0xB, 0x64, 0x37, 0x00, 0x08 } },	/* 400   600      3.5   */
544 	{ .cnl = { 0x5, 0x70, 0x31, 0x00, 0x0E } },	/* 400   800      6.0   */
545 	{ .cnl = { 0x6, 0x7F, 0x2C, 0x00, 0x13 } },	/* 400   1050     8.4   */
546 	{ .cnl = { 0xB, 0x64, 0x3F, 0x00, 0x00 } },	/* 600   600      0.0   */
547 	{ .cnl = { 0x5, 0x73, 0x35, 0x00, 0x0A } },	/* 600   850      3.0   */
548 	{ .cnl = { 0x6, 0x7F, 0x30, 0x00, 0x0F } },	/* 550   1050     5.6   */
549 	{ .cnl = { 0x5, 0x76, 0x3E, 0x00, 0x01 } },	/* 850   900      0.5   */
550 	{ .cnl = { 0x6, 0x7F, 0x36, 0x00, 0x09 } },	/* 750   1050     2.9   */
551 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 1050  1050     0.0   */
552 };
553 
554 static const struct intel_ddi_buf_trans cnl_ddi_translations_dp_1_05V = {
555 	.entries = _cnl_ddi_translations_dp_1_05V,
556 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_dp_1_05V),
557 };
558 
559 /* Voltage Swing Programming for VccIO 1.05V for HDMI */
560 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_hdmi_1_05V[] = {
561 							/* NT mV Trans mV db    */
562 	{ .cnl = { 0xA, 0x58, 0x3F, 0x00, 0x00 } },	/* 400   400      0.0   */
563 	{ .cnl = { 0xB, 0x64, 0x37, 0x00, 0x08 } },	/* 400   600      3.5   */
564 	{ .cnl = { 0x5, 0x70, 0x31, 0x00, 0x0E } },	/* 400   800      6.0   */
565 	{ .cnl = { 0xA, 0x5B, 0x3F, 0x00, 0x00 } },	/* 450   450      0.0   */
566 	{ .cnl = { 0xB, 0x64, 0x3F, 0x00, 0x00 } },	/* 600   600      0.0   */
567 	{ .cnl = { 0x5, 0x73, 0x35, 0x00, 0x0A } },	/* 600   850      3.0   */
568 	{ .cnl = { 0x6, 0x7C, 0x32, 0x00, 0x0D } },	/* 600   1000     4.4   */
569 	{ .cnl = { 0x5, 0x70, 0x3F, 0x00, 0x00 } },	/* 800   800      0.0   */
570 	{ .cnl = { 0x6, 0x7C, 0x39, 0x00, 0x06 } },	/* 800   1000     1.9   */
571 	{ .cnl = { 0x6, 0x7F, 0x39, 0x00, 0x06 } },	/* 850   1050     1.8   */
572 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 1050  1050     0.0   */
573 };
574 
575 static const struct intel_ddi_buf_trans cnl_ddi_translations_hdmi_1_05V = {
576 	.entries = _cnl_ddi_translations_hdmi_1_05V,
577 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_hdmi_1_05V),
578 	.hdmi_default_entry = ARRAY_SIZE(_cnl_ddi_translations_hdmi_1_05V) - 1,
579 };
580 
581 /* Voltage Swing Programming for VccIO 1.05V for eDP */
582 static const union intel_ddi_buf_trans_entry _cnl_ddi_translations_edp_1_05V[] = {
583 							/* NT mV Trans mV db    */
584 	{ .cnl = { 0xA, 0x5E, 0x3A, 0x00, 0x05 } },	/* 384   500      2.3   */
585 	{ .cnl = { 0x0, 0x7F, 0x38, 0x00, 0x07 } },	/* 153   200      2.3   */
586 	{ .cnl = { 0x8, 0x7F, 0x38, 0x00, 0x07 } },	/* 192   250      2.3   */
587 	{ .cnl = { 0x1, 0x7F, 0x38, 0x00, 0x07 } },	/* 230   300      2.3   */
588 	{ .cnl = { 0x9, 0x7F, 0x38, 0x00, 0x07 } },	/* 269   350      2.3   */
589 	{ .cnl = { 0xA, 0x5E, 0x3C, 0x00, 0x03 } },	/* 446   500      1.0   */
590 	{ .cnl = { 0xB, 0x64, 0x39, 0x00, 0x06 } },	/* 460   600      2.3   */
591 	{ .cnl = { 0xE, 0x6A, 0x39, 0x00, 0x06 } },	/* 537   700      2.3   */
592 	{ .cnl = { 0x2, 0x7F, 0x3F, 0x00, 0x00 } },	/* 400   400      0.0   */
593 };
594 
595 static const struct intel_ddi_buf_trans cnl_ddi_translations_edp_1_05V = {
596 	.entries = _cnl_ddi_translations_edp_1_05V,
597 	.num_entries = ARRAY_SIZE(_cnl_ddi_translations_edp_1_05V),
598 };
599 
600 /* icl_combo_phy_ddi_translations */
601 static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3[] = {
602 							/* NT mV Trans mV db    */
603 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
604 	{ .cnl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } },	/* 350   500      3.1   */
605 	{ .cnl = { 0xC, 0x71, 0x2F, 0x00, 0x10 } },	/* 350   700      6.0   */
606 	{ .cnl = { 0x6, 0x7F, 0x2B, 0x00, 0x14 } },	/* 350   900      8.2   */
607 	{ .cnl = { 0xA, 0x4C, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
608 	{ .cnl = { 0xC, 0x73, 0x34, 0x00, 0x0B } },	/* 500   700      2.9   */
609 	{ .cnl = { 0x6, 0x7F, 0x2F, 0x00, 0x10 } },	/* 500   900      5.1   */
610 	{ .cnl = { 0xC, 0x6C, 0x3C, 0x00, 0x03 } },	/* 650   700      0.6   */
611 	{ .cnl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } },	/* 600   900      3.5   */
612 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
613 };
614 
615 static const struct intel_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3 = {
616 	.entries = _icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3,
617 	.num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3),
618 };
619 
620 static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_edp_hbr2[] = {
621 							/* NT mV Trans mV db    */
622 	{ .cnl = { 0x0, 0x7F, 0x3F, 0x00, 0x00 } },	/* 200   200      0.0   */
623 	{ .cnl = { 0x8, 0x7F, 0x38, 0x00, 0x07 } },	/* 200   250      1.9   */
624 	{ .cnl = { 0x1, 0x7F, 0x33, 0x00, 0x0C } },	/* 200   300      3.5   */
625 	{ .cnl = { 0x9, 0x7F, 0x31, 0x00, 0x0E } },	/* 200   350      4.9   */
626 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 250   250      0.0   */
627 	{ .cnl = { 0x1, 0x7F, 0x38, 0x00, 0x07 } },	/* 250   300      1.6   */
628 	{ .cnl = { 0x9, 0x7F, 0x35, 0x00, 0x0A } },	/* 250   350      2.9   */
629 	{ .cnl = { 0x1, 0x7F, 0x3F, 0x00, 0x00 } },	/* 300   300      0.0   */
630 	{ .cnl = { 0x9, 0x7F, 0x38, 0x00, 0x07 } },	/* 300   350      1.3   */
631 	{ .cnl = { 0x9, 0x7F, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
632 };
633 
634 static const struct intel_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr2 = {
635 	.entries = _icl_combo_phy_ddi_translations_edp_hbr2,
636 	.num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_edp_hbr2),
637 };
638 
639 static const union intel_ddi_buf_trans_entry _icl_combo_phy_ddi_translations_hdmi[] = {
640 							/* NT mV Trans mV db    */
641 	{ .cnl = { 0xA, 0x60, 0x3F, 0x00, 0x00 } },	/* 450   450      0.0   */
642 	{ .cnl = { 0xB, 0x73, 0x36, 0x00, 0x09 } },	/* 450   650      3.2   */
643 	{ .cnl = { 0x6, 0x7F, 0x31, 0x00, 0x0E } },	/* 450   850      5.5   */
644 	{ .cnl = { 0xB, 0x73, 0x3F, 0x00, 0x00 } },	/* 650   650      0.0   ALS */
645 	{ .cnl = { 0x6, 0x7F, 0x37, 0x00, 0x08 } },	/* 650   850      2.3   */
646 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 850   850      0.0   */
647 	{ .cnl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } },	/* 600   850      3.0   */
648 };
649 
650 static const struct intel_ddi_buf_trans icl_combo_phy_ddi_translations_hdmi = {
651 	.entries = _icl_combo_phy_ddi_translations_hdmi,
652 	.num_entries = ARRAY_SIZE(_icl_combo_phy_ddi_translations_hdmi),
653 	.hdmi_default_entry = ARRAY_SIZE(_icl_combo_phy_ddi_translations_hdmi) - 1,
654 };
655 
656 static const union intel_ddi_buf_trans_entry _ehl_combo_phy_ddi_translations_dp[] = {
657 							/* NT mV Trans mV db    */
658 	{ .cnl = { 0xA, 0x33, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
659 	{ .cnl = { 0xA, 0x47, 0x36, 0x00, 0x09 } },	/* 350   500      3.1   */
660 	{ .cnl = { 0xC, 0x64, 0x34, 0x00, 0x0B } },	/* 350   700      6.0   */
661 	{ .cnl = { 0x6, 0x7F, 0x30, 0x00, 0x0F } },	/* 350   900      8.2   */
662 	{ .cnl = { 0xA, 0x46, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
663 	{ .cnl = { 0xC, 0x64, 0x38, 0x00, 0x07 } },	/* 500   700      2.9   */
664 	{ .cnl = { 0x6, 0x7F, 0x32, 0x00, 0x0D } },	/* 500   900      5.1   */
665 	{ .cnl = { 0xC, 0x61, 0x3F, 0x00, 0x00 } },	/* 650   700      0.6   */
666 	{ .cnl = { 0x6, 0x7F, 0x38, 0x00, 0x07 } },	/* 600   900      3.5   */
667 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
668 };
669 
670 static const struct intel_ddi_buf_trans ehl_combo_phy_ddi_translations_dp = {
671 	.entries = _ehl_combo_phy_ddi_translations_dp,
672 	.num_entries = ARRAY_SIZE(_ehl_combo_phy_ddi_translations_dp),
673 };
674 
675 static const union intel_ddi_buf_trans_entry _ehl_combo_phy_ddi_translations_edp_hbr2[] = {
676 							/* NT mV Trans mV db    */
677 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 200   200      0.0   */
678 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 200   250      1.9   */
679 	{ .cnl = { 0x1, 0x7F, 0x3D, 0x00, 0x02 } },	/* 200   300      3.5   */
680 	{ .cnl = { 0xA, 0x35, 0x39, 0x00, 0x06 } },	/* 200   350      4.9   */
681 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 250   250      0.0   */
682 	{ .cnl = { 0x1, 0x7F, 0x3C, 0x00, 0x03 } },	/* 250   300      1.6   */
683 	{ .cnl = { 0xA, 0x35, 0x39, 0x00, 0x06 } },	/* 250   350      2.9   */
684 	{ .cnl = { 0x1, 0x7F, 0x3F, 0x00, 0x00 } },	/* 300   300      0.0   */
685 	{ .cnl = { 0xA, 0x35, 0x38, 0x00, 0x07 } },	/* 300   350      1.3   */
686 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
687 };
688 
689 static const struct intel_ddi_buf_trans ehl_combo_phy_ddi_translations_edp_hbr2 = {
690 	.entries = _ehl_combo_phy_ddi_translations_edp_hbr2,
691 	.num_entries = ARRAY_SIZE(_ehl_combo_phy_ddi_translations_edp_hbr2),
692 };
693 
694 static const union intel_ddi_buf_trans_entry _jsl_combo_phy_ddi_translations_edp_hbr[] = {
695 							/* NT mV Trans mV db    */
696 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 200   200      0.0   */
697 	{ .cnl = { 0x8, 0x7F, 0x38, 0x00, 0x07 } },	/* 200   250      1.9   */
698 	{ .cnl = { 0x1, 0x7F, 0x33, 0x00, 0x0C } },	/* 200   300      3.5   */
699 	{ .cnl = { 0xA, 0x35, 0x36, 0x00, 0x09 } },	/* 200   350      4.9   */
700 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 250   250      0.0   */
701 	{ .cnl = { 0x1, 0x7F, 0x38, 0x00, 0x07 } },	/* 250   300      1.6   */
702 	{ .cnl = { 0xA, 0x35, 0x35, 0x00, 0x0A } },	/* 250   350      2.9   */
703 	{ .cnl = { 0x1, 0x7F, 0x3F, 0x00, 0x00 } },	/* 300   300      0.0   */
704 	{ .cnl = { 0xA, 0x35, 0x38, 0x00, 0x07 } },	/* 300   350      1.3   */
705 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
706 };
707 
708 static const struct intel_ddi_buf_trans jsl_combo_phy_ddi_translations_edp_hbr = {
709 	.entries = _jsl_combo_phy_ddi_translations_edp_hbr,
710 	.num_entries = ARRAY_SIZE(_jsl_combo_phy_ddi_translations_edp_hbr),
711 };
712 
713 static const union intel_ddi_buf_trans_entry _jsl_combo_phy_ddi_translations_edp_hbr2[] = {
714 							/* NT mV Trans mV db    */
715 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 200   200      0.0   */
716 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 200   250      1.9   */
717 	{ .cnl = { 0x1, 0x7F, 0x3D, 0x00, 0x02 } },	/* 200   300      3.5   */
718 	{ .cnl = { 0xA, 0x35, 0x38, 0x00, 0x07 } },	/* 200   350      4.9   */
719 	{ .cnl = { 0x8, 0x7F, 0x3F, 0x00, 0x00 } },	/* 250   250      0.0   */
720 	{ .cnl = { 0x1, 0x7F, 0x3F, 0x00, 0x00 } },	/* 250   300      1.6   */
721 	{ .cnl = { 0xA, 0x35, 0x3A, 0x00, 0x05 } },	/* 250   350      2.9   */
722 	{ .cnl = { 0x1, 0x7F, 0x3F, 0x00, 0x00 } },	/* 300   300      0.0   */
723 	{ .cnl = { 0xA, 0x35, 0x38, 0x00, 0x07 } },	/* 300   350      1.3   */
724 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
725 };
726 
727 static const struct intel_ddi_buf_trans jsl_combo_phy_ddi_translations_edp_hbr2 = {
728 	.entries = _jsl_combo_phy_ddi_translations_edp_hbr2,
729 	.num_entries = ARRAY_SIZE(_jsl_combo_phy_ddi_translations_edp_hbr2),
730 };
731 
732 static const union intel_ddi_buf_trans_entry _dg1_combo_phy_ddi_translations_dp_rbr_hbr[] = {
733 							/* NT mV Trans mV db    */
734 	{ .cnl = { 0xA, 0x32, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
735 	{ .cnl = { 0xA, 0x48, 0x35, 0x00, 0x0A } },	/* 350   500      3.1   */
736 	{ .cnl = { 0xC, 0x63, 0x2F, 0x00, 0x10 } },	/* 350   700      6.0   */
737 	{ .cnl = { 0x6, 0x7F, 0x2C, 0x00, 0x13 } },	/* 350   900      8.2   */
738 	{ .cnl = { 0xA, 0x43, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
739 	{ .cnl = { 0xC, 0x60, 0x36, 0x00, 0x09 } },	/* 500   700      2.9   */
740 	{ .cnl = { 0x6, 0x7F, 0x30, 0x00, 0x0F } },	/* 500   900      5.1   */
741 	{ .cnl = { 0xC, 0x60, 0x3F, 0x00, 0x00 } },	/* 650   700      0.6   */
742 	{ .cnl = { 0x6, 0x7F, 0x37, 0x00, 0x08 } },	/* 600   900      3.5   */
743 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
744 };
745 
746 static const struct intel_ddi_buf_trans dg1_combo_phy_ddi_translations_dp_rbr_hbr = {
747 	.entries = _dg1_combo_phy_ddi_translations_dp_rbr_hbr,
748 	.num_entries = ARRAY_SIZE(_dg1_combo_phy_ddi_translations_dp_rbr_hbr),
749 };
750 
751 static const union intel_ddi_buf_trans_entry _dg1_combo_phy_ddi_translations_dp_hbr2_hbr3[] = {
752 							/* NT mV Trans mV db    */
753 	{ .cnl = { 0xA, 0x32, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
754 	{ .cnl = { 0xA, 0x48, 0x35, 0x00, 0x0A } },	/* 350   500      3.1   */
755 	{ .cnl = { 0xC, 0x63, 0x2F, 0x00, 0x10 } },	/* 350   700      6.0   */
756 	{ .cnl = { 0x6, 0x7F, 0x2C, 0x00, 0x13 } },	/* 350   900      8.2   */
757 	{ .cnl = { 0xA, 0x43, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
758 	{ .cnl = { 0xC, 0x60, 0x36, 0x00, 0x09 } },	/* 500   700      2.9   */
759 	{ .cnl = { 0x6, 0x7F, 0x30, 0x00, 0x0F } },	/* 500   900      5.1   */
760 	{ .cnl = { 0xC, 0x58, 0x3F, 0x00, 0x00 } },	/* 650   700      0.6   */
761 	{ .cnl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } },	/* 600   900      3.5   */
762 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
763 };
764 
765 static const struct intel_ddi_buf_trans dg1_combo_phy_ddi_translations_dp_hbr2_hbr3 = {
766 	.entries = _dg1_combo_phy_ddi_translations_dp_hbr2_hbr3,
767 	.num_entries = ARRAY_SIZE(_dg1_combo_phy_ddi_translations_dp_hbr2_hbr3),
768 };
769 
770 static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_rbr_hbr[] = {
771 					/* Voltage swing  pre-emphasis */
772 	{ .mg = { 0x18, 0x00, 0x00 } },	/* 0              0   */
773 	{ .mg = { 0x1D, 0x00, 0x05 } },	/* 0              1   */
774 	{ .mg = { 0x24, 0x00, 0x0C } },	/* 0              2   */
775 	{ .mg = { 0x2B, 0x00, 0x14 } },	/* 0              3   */
776 	{ .mg = { 0x21, 0x00, 0x00 } },	/* 1              0   */
777 	{ .mg = { 0x2B, 0x00, 0x08 } },	/* 1              1   */
778 	{ .mg = { 0x30, 0x00, 0x0F } },	/* 1              2   */
779 	{ .mg = { 0x31, 0x00, 0x03 } },	/* 2              0   */
780 	{ .mg = { 0x34, 0x00, 0x0B } },	/* 2              1   */
781 	{ .mg = { 0x3F, 0x00, 0x00 } },	/* 3              0   */
782 };
783 
784 static const struct intel_ddi_buf_trans icl_mg_phy_ddi_translations_rbr_hbr = {
785 	.entries = _icl_mg_phy_ddi_translations_rbr_hbr,
786 	.num_entries = ARRAY_SIZE(_icl_mg_phy_ddi_translations_rbr_hbr),
787 };
788 
789 static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_hbr2_hbr3[] = {
790 					/* Voltage swing  pre-emphasis */
791 	{ .mg = { 0x18, 0x00, 0x00 } },	/* 0              0   */
792 	{ .mg = { 0x1D, 0x00, 0x05 } },	/* 0              1   */
793 	{ .mg = { 0x24, 0x00, 0x0C } },	/* 0              2   */
794 	{ .mg = { 0x2B, 0x00, 0x14 } },	/* 0              3   */
795 	{ .mg = { 0x26, 0x00, 0x00 } },	/* 1              0   */
796 	{ .mg = { 0x2C, 0x00, 0x07 } },	/* 1              1   */
797 	{ .mg = { 0x33, 0x00, 0x0C } },	/* 1              2   */
798 	{ .mg = { 0x2E, 0x00, 0x00 } },	/* 2              0   */
799 	{ .mg = { 0x36, 0x00, 0x09 } },	/* 2              1   */
800 	{ .mg = { 0x3F, 0x00, 0x00 } },	/* 3              0   */
801 };
802 
803 static const struct intel_ddi_buf_trans icl_mg_phy_ddi_translations_hbr2_hbr3 = {
804 	.entries = _icl_mg_phy_ddi_translations_hbr2_hbr3,
805 	.num_entries = ARRAY_SIZE(_icl_mg_phy_ddi_translations_hbr2_hbr3),
806 };
807 
808 static const union intel_ddi_buf_trans_entry _icl_mg_phy_ddi_translations_hdmi[] = {
809 					/* HDMI Preset	VS	Pre-emph */
810 	{ .mg = { 0x1A, 0x0, 0x0 } },	/* 1		400mV	0dB */
811 	{ .mg = { 0x20, 0x0, 0x0 } },	/* 2		500mV	0dB */
812 	{ .mg = { 0x29, 0x0, 0x0 } },	/* 3		650mV	0dB */
813 	{ .mg = { 0x32, 0x0, 0x0 } },	/* 4		800mV	0dB */
814 	{ .mg = { 0x3F, 0x0, 0x0 } },	/* 5		1000mV	0dB */
815 	{ .mg = { 0x3A, 0x0, 0x5 } },	/* 6		Full	-1.5 dB */
816 	{ .mg = { 0x39, 0x0, 0x6 } },	/* 7		Full	-1.8 dB */
817 	{ .mg = { 0x38, 0x0, 0x7 } },	/* 8		Full	-2 dB */
818 	{ .mg = { 0x37, 0x0, 0x8 } },	/* 9		Full	-2.5 dB */
819 	{ .mg = { 0x36, 0x0, 0x9 } },	/* 10		Full	-3 dB */
820 };
821 
822 static const struct intel_ddi_buf_trans icl_mg_phy_ddi_translations_hdmi = {
823 	.entries = _icl_mg_phy_ddi_translations_hdmi,
824 	.num_entries = ARRAY_SIZE(_icl_mg_phy_ddi_translations_hdmi),
825 	.hdmi_default_entry = ARRAY_SIZE(_icl_mg_phy_ddi_translations_hdmi) - 1,
826 };
827 
828 static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_dp_hbr[] = {
829 					/* VS	pre-emp	Non-trans mV	Pre-emph dB */
830 	{ .dkl = { 0x7, 0x0, 0x00 } },	/* 0	0	400mV		0 dB */
831 	{ .dkl = { 0x5, 0x0, 0x05 } },	/* 0	1	400mV		3.5 dB */
832 	{ .dkl = { 0x2, 0x0, 0x0B } },	/* 0	2	400mV		6 dB */
833 	{ .dkl = { 0x0, 0x0, 0x18 } },	/* 0	3	400mV		9.5 dB */
834 	{ .dkl = { 0x5, 0x0, 0x00 } },	/* 1	0	600mV		0 dB */
835 	{ .dkl = { 0x2, 0x0, 0x08 } },	/* 1	1	600mV		3.5 dB */
836 	{ .dkl = { 0x0, 0x0, 0x14 } },	/* 1	2	600mV		6 dB */
837 	{ .dkl = { 0x2, 0x0, 0x00 } },	/* 2	0	800mV		0 dB */
838 	{ .dkl = { 0x0, 0x0, 0x0B } },	/* 2	1	800mV		3.5 dB */
839 	{ .dkl = { 0x0, 0x0, 0x00 } },	/* 3	0	1200mV		0 dB HDMI default */
840 };
841 
842 static const struct intel_ddi_buf_trans tgl_dkl_phy_ddi_translations_dp_hbr = {
843 	.entries = _tgl_dkl_phy_ddi_translations_dp_hbr,
844 	.num_entries = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_dp_hbr),
845 };
846 
847 static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_dp_hbr2[] = {
848 					/* VS	pre-emp	Non-trans mV	Pre-emph dB */
849 	{ .dkl = { 0x7, 0x0, 0x00 } },	/* 0	0	400mV		0 dB */
850 	{ .dkl = { 0x5, 0x0, 0x05 } },	/* 0	1	400mV		3.5 dB */
851 	{ .dkl = { 0x2, 0x0, 0x0B } },	/* 0	2	400mV		6 dB */
852 	{ .dkl = { 0x0, 0x0, 0x19 } },	/* 0	3	400mV		9.5 dB */
853 	{ .dkl = { 0x5, 0x0, 0x00 } },	/* 1	0	600mV		0 dB */
854 	{ .dkl = { 0x2, 0x0, 0x08 } },	/* 1	1	600mV		3.5 dB */
855 	{ .dkl = { 0x0, 0x0, 0x14 } },	/* 1	2	600mV		6 dB */
856 	{ .dkl = { 0x2, 0x0, 0x00 } },	/* 2	0	800mV		0 dB */
857 	{ .dkl = { 0x0, 0x0, 0x0B } },	/* 2	1	800mV		3.5 dB */
858 	{ .dkl = { 0x0, 0x0, 0x00 } },	/* 3	0	1200mV		0 dB HDMI default */
859 };
860 
861 static const struct intel_ddi_buf_trans tgl_dkl_phy_ddi_translations_dp_hbr2 = {
862 	.entries = _tgl_dkl_phy_ddi_translations_dp_hbr2,
863 	.num_entries = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_dp_hbr2),
864 };
865 
866 static const union intel_ddi_buf_trans_entry _tgl_dkl_phy_ddi_translations_hdmi[] = {
867 					/* HDMI Preset	VS	Pre-emph */
868 	{ .dkl = { 0x7, 0x0, 0x0 } },	/* 1		400mV	0dB */
869 	{ .dkl = { 0x6, 0x0, 0x0 } },	/* 2		500mV	0dB */
870 	{ .dkl = { 0x4, 0x0, 0x0 } },	/* 3		650mV	0dB */
871 	{ .dkl = { 0x2, 0x0, 0x0 } },	/* 4		800mV	0dB */
872 	{ .dkl = { 0x0, 0x0, 0x0 } },	/* 5		1000mV	0dB */
873 	{ .dkl = { 0x0, 0x0, 0x5 } },	/* 6		Full	-1.5 dB */
874 	{ .dkl = { 0x0, 0x0, 0x6 } },	/* 7		Full	-1.8 dB */
875 	{ .dkl = { 0x0, 0x0, 0x7 } },	/* 8		Full	-2 dB */
876 	{ .dkl = { 0x0, 0x0, 0x8 } },	/* 9		Full	-2.5 dB */
877 	{ .dkl = { 0x0, 0x0, 0xA } },	/* 10		Full	-3 dB */
878 };
879 
880 static const struct intel_ddi_buf_trans tgl_dkl_phy_ddi_translations_hdmi = {
881 	.entries = _tgl_dkl_phy_ddi_translations_hdmi,
882 	.num_entries = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_hdmi),
883 	.hdmi_default_entry = ARRAY_SIZE(_tgl_dkl_phy_ddi_translations_hdmi) - 1,
884 };
885 
886 static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_dp_hbr[] = {
887 							/* NT mV Trans mV db    */
888 	{ .cnl = { 0xA, 0x32, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
889 	{ .cnl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } },	/* 350   500      3.1   */
890 	{ .cnl = { 0xC, 0x71, 0x2F, 0x00, 0x10 } },	/* 350   700      6.0   */
891 	{ .cnl = { 0x6, 0x7D, 0x2B, 0x00, 0x14 } },	/* 350   900      8.2   */
892 	{ .cnl = { 0xA, 0x4C, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
893 	{ .cnl = { 0xC, 0x73, 0x34, 0x00, 0x0B } },	/* 500   700      2.9   */
894 	{ .cnl = { 0x6, 0x7F, 0x2F, 0x00, 0x10 } },	/* 500   900      5.1   */
895 	{ .cnl = { 0xC, 0x6C, 0x3C, 0x00, 0x03 } },	/* 650   700      0.6   */
896 	{ .cnl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } },	/* 600   900      3.5   */
897 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
898 };
899 
900 static const struct intel_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr = {
901 	.entries = _tgl_combo_phy_ddi_translations_dp_hbr,
902 	.num_entries = ARRAY_SIZE(_tgl_combo_phy_ddi_translations_dp_hbr),
903 };
904 
905 static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_dp_hbr2[] = {
906 							/* NT mV Trans mV db    */
907 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
908 	{ .cnl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } },	/* 350   500      3.1   */
909 	{ .cnl = { 0xC, 0x63, 0x2F, 0x00, 0x10 } },	/* 350   700      6.0   */
910 	{ .cnl = { 0x6, 0x7F, 0x2B, 0x00, 0x14 } },	/* 350   900      8.2   */
911 	{ .cnl = { 0xA, 0x47, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
912 	{ .cnl = { 0xC, 0x63, 0x34, 0x00, 0x0B } },	/* 500   700      2.9   */
913 	{ .cnl = { 0x6, 0x7F, 0x2F, 0x00, 0x10 } },	/* 500   900      5.1   */
914 	{ .cnl = { 0xC, 0x61, 0x3C, 0x00, 0x03 } },	/* 650   700      0.6   */
915 	{ .cnl = { 0x6, 0x7B, 0x35, 0x00, 0x0A } },	/* 600   900      3.5   */
916 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
917 };
918 
919 static const struct intel_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr2 = {
920 	.entries = _tgl_combo_phy_ddi_translations_dp_hbr2,
921 	.num_entries = ARRAY_SIZE(_tgl_combo_phy_ddi_translations_dp_hbr2),
922 };
923 
924 static const union intel_ddi_buf_trans_entry _tgl_uy_combo_phy_ddi_translations_dp_hbr2[] = {
925 							/* NT mV Trans mV db    */
926 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
927 	{ .cnl = { 0xA, 0x4F, 0x36, 0x00, 0x09 } },	/* 350   500      3.1   */
928 	{ .cnl = { 0xC, 0x60, 0x32, 0x00, 0x0D } },	/* 350   700      6.0   */
929 	{ .cnl = { 0xC, 0x7F, 0x2D, 0x00, 0x12 } },	/* 350   900      8.2   */
930 	{ .cnl = { 0xC, 0x47, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
931 	{ .cnl = { 0xC, 0x6F, 0x36, 0x00, 0x09 } },	/* 500   700      2.9   */
932 	{ .cnl = { 0x6, 0x7D, 0x32, 0x00, 0x0D } },	/* 500   900      5.1   */
933 	{ .cnl = { 0x6, 0x60, 0x3C, 0x00, 0x03 } },	/* 650   700      0.6   */
934 	{ .cnl = { 0x6, 0x7F, 0x34, 0x00, 0x0B } },	/* 600   900      3.5   */
935 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
936 };
937 
938 static const struct intel_ddi_buf_trans tgl_uy_combo_phy_ddi_translations_dp_hbr2 = {
939 	.entries = _tgl_uy_combo_phy_ddi_translations_dp_hbr2,
940 	.num_entries = ARRAY_SIZE(_tgl_uy_combo_phy_ddi_translations_dp_hbr2),
941 };
942 
943 /*
944  * Cloned the HOBL entry to comply with the voltage and pre-emphasis entries
945  * that DisplayPort specification requires
946  */
947 static const union intel_ddi_buf_trans_entry _tgl_combo_phy_ddi_translations_edp_hbr2_hobl[] = {
948 							/* VS	pre-emp	*/
949 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 0	0	*/
950 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 0	1	*/
951 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 0	2	*/
952 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 0	3	*/
953 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 1	0	*/
954 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 1	1	*/
955 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 1	2	*/
956 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 2	0	*/
957 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 2	1	*/
958 };
959 
960 static const struct intel_ddi_buf_trans tgl_combo_phy_ddi_translations_edp_hbr2_hobl = {
961 	.entries = _tgl_combo_phy_ddi_translations_edp_hbr2_hobl,
962 	.num_entries = ARRAY_SIZE(_tgl_combo_phy_ddi_translations_edp_hbr2_hobl),
963 };
964 
965 static const union intel_ddi_buf_trans_entry _rkl_combo_phy_ddi_translations_dp_hbr[] = {
966 							/* NT mV Trans mV db    */
967 	{ .cnl = { 0xA, 0x2F, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
968 	{ .cnl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } },	/* 350   500      3.1   */
969 	{ .cnl = { 0xC, 0x63, 0x2F, 0x00, 0x10 } },	/* 350   700      6.0   */
970 	{ .cnl = { 0x6, 0x7D, 0x2A, 0x00, 0x15 } },	/* 350   900      8.2   */
971 	{ .cnl = { 0xA, 0x4C, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
972 	{ .cnl = { 0xC, 0x73, 0x34, 0x00, 0x0B } },	/* 500   700      2.9   */
973 	{ .cnl = { 0x6, 0x7F, 0x2F, 0x00, 0x10 } },	/* 500   900      5.1   */
974 	{ .cnl = { 0xC, 0x6E, 0x3E, 0x00, 0x01 } },	/* 650   700      0.6   */
975 	{ .cnl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } },	/* 600   900      3.5   */
976 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
977 };
978 
979 static const struct intel_ddi_buf_trans rkl_combo_phy_ddi_translations_dp_hbr = {
980 	.entries = _rkl_combo_phy_ddi_translations_dp_hbr,
981 	.num_entries = ARRAY_SIZE(_rkl_combo_phy_ddi_translations_dp_hbr),
982 };
983 
984 static const union intel_ddi_buf_trans_entry _rkl_combo_phy_ddi_translations_dp_hbr2_hbr3[] = {
985 							/* NT mV Trans mV db    */
986 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
987 	{ .cnl = { 0xA, 0x50, 0x38, 0x00, 0x07 } },	/* 350   500      3.1   */
988 	{ .cnl = { 0xC, 0x61, 0x33, 0x00, 0x0C } },	/* 350   700      6.0   */
989 	{ .cnl = { 0x6, 0x7F, 0x2E, 0x00, 0x11 } },	/* 350   900      8.2   */
990 	{ .cnl = { 0xA, 0x47, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
991 	{ .cnl = { 0xC, 0x5F, 0x38, 0x00, 0x07 } },	/* 500   700      2.9   */
992 	{ .cnl = { 0x6, 0x7F, 0x2F, 0x00, 0x10 } },	/* 500   900      5.1   */
993 	{ .cnl = { 0xC, 0x5F, 0x3F, 0x00, 0x00 } },	/* 650   700      0.6   */
994 	{ .cnl = { 0x6, 0x7E, 0x36, 0x00, 0x09 } },	/* 600   900      3.5   */
995 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
996 };
997 
998 static const struct intel_ddi_buf_trans rkl_combo_phy_ddi_translations_dp_hbr2_hbr3 = {
999 	.entries = _rkl_combo_phy_ddi_translations_dp_hbr2_hbr3,
1000 	.num_entries = ARRAY_SIZE(_rkl_combo_phy_ddi_translations_dp_hbr2_hbr3),
1001 };
1002 
1003 static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_dp_hbr2_hbr3[] = {
1004 							/* NT mV Trans mV db    */
1005 	{ .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },	/* 350   350      0.0   */
1006 	{ .cnl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } },	/* 350   500      3.1   */
1007 	{ .cnl = { 0xC, 0x63, 0x30, 0x00, 0x0F } },	/* 350   700      6.0   */
1008 	{ .cnl = { 0x6, 0x7F, 0x2B, 0x00, 0x14 } },	/* 350   900      8.2   */
1009 	{ .cnl = { 0xA, 0x47, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
1010 	{ .cnl = { 0xC, 0x63, 0x37, 0x00, 0x08 } },	/* 500   700      2.9   */
1011 	{ .cnl = { 0x6, 0x7F, 0x31, 0x00, 0x0E } },	/* 500   900      5.1   */
1012 	{ .cnl = { 0xC, 0x61, 0x3C, 0x00, 0x03 } },	/* 650   700      0.6   */
1013 	{ .cnl = { 0x6, 0x7B, 0x35, 0x00, 0x0A } },	/* 600   900      3.5   */
1014 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
1015 };
1016 
1017 static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_dp_hbr2_hbr3 = {
1018 	.entries = _adls_combo_phy_ddi_translations_dp_hbr2_hbr3,
1019 	.num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_dp_hbr2_hbr3),
1020 };
1021 
1022 static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_edp_hbr2[] = {
1023 							/* NT mV Trans mV db    */
1024 	{ .cnl = { 0x9, 0x70, 0x3C, 0x00, 0x03 } },	/* 200   200      0.0   */
1025 	{ .cnl = { 0x9, 0x6D, 0x3A, 0x00, 0x05 } },	/* 200   250      1.9   */
1026 	{ .cnl = { 0x9, 0x7F, 0x36, 0x00, 0x09 } },	/* 200   300      3.5   */
1027 	{ .cnl = { 0x4, 0x59, 0x32, 0x00, 0x0D } },	/* 200   350      4.9   */
1028 	{ .cnl = { 0x2, 0x77, 0x3A, 0x00, 0x05 } },	/* 250   250      0.0   */
1029 	{ .cnl = { 0x2, 0x7F, 0x38, 0x00, 0x07 } },	/* 250   300      1.6   */
1030 	{ .cnl = { 0x4, 0x5A, 0x36, 0x00, 0x09 } },	/* 250   350      2.9   */
1031 	{ .cnl = { 0x4, 0x5E, 0x3D, 0x00, 0x04 } },	/* 300   300      0.0   */
1032 	{ .cnl = { 0x4, 0x65, 0x38, 0x00, 0x07 } },	/* 300   350      1.3   */
1033 	{ .cnl = { 0x4, 0x6F, 0x3A, 0x00, 0x05 } },	/* 350   350      0.0   */
1034 };
1035 
1036 static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_edp_hbr2 = {
1037 	.entries = _adls_combo_phy_ddi_translations_edp_hbr2,
1038 	.num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_edp_hbr2),
1039 };
1040 
1041 static const union intel_ddi_buf_trans_entry _adls_combo_phy_ddi_translations_edp_hbr3[] = {
1042 							/* NT mV Trans mV db    */
1043 	{ .cnl = { 0xA, 0x5E, 0x34, 0x00, 0x0B } },	/* 350   350      0.0   */
1044 	{ .cnl = { 0xA, 0x69, 0x32, 0x00, 0x0D } },	/* 350   500      3.1   */
1045 	{ .cnl = { 0xC, 0x74, 0x31, 0x00, 0x0E } },	/* 350   700      6.0   */
1046 	{ .cnl = { 0x6, 0x7F, 0x2E, 0x00, 0x11 } },	/* 350   900      8.2   */
1047 	{ .cnl = { 0xA, 0x5C, 0x3F, 0x00, 0x00 } },	/* 500   500      0.0   */
1048 	{ .cnl = { 0xC, 0x7F, 0x34, 0x00, 0x0B } },	/* 500   700      2.9   */
1049 	{ .cnl = { 0x6, 0x7F, 0x33, 0x00, 0x0C } },	/* 500   900      5.1   */
1050 	{ .cnl = { 0xC, 0x7F, 0x3F, 0x00, 0x00 } },	/* 650   700      0.6   */
1051 	{ .cnl = { 0x6, 0x7F, 0x3C, 0x00, 0x03 } },	/* 600   900      3.5   */
1052 	{ .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },	/* 900   900      0.0   */
1053 };
1054 
1055 static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_edp_hbr3 = {
1056 	.entries = _adls_combo_phy_ddi_translations_edp_hbr3,
1057 	.num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_edp_hbr3),
1058 };
1059 
1060 static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_ddi_translations_dp_hbr[] = {
1061 					/* VS	pre-emp	Non-trans mV	Pre-emph dB */
1062 	{ .dkl = { 0x7, 0x0, 0x01 } },	/* 0	0	400mV		0 dB */
1063 	{ .dkl = { 0x5, 0x0, 0x06 } },	/* 0	1	400mV		3.5 dB */
1064 	{ .dkl = { 0x2, 0x0, 0x0B } },	/* 0	2	400mV		6 dB */
1065 	{ .dkl = { 0x0, 0x0, 0x17 } },	/* 0	3	400mV		9.5 dB */
1066 	{ .dkl = { 0x5, 0x0, 0x00 } },	/* 1	0	600mV		0 dB */
1067 	{ .dkl = { 0x2, 0x0, 0x08 } },	/* 1	1	600mV		3.5 dB */
1068 	{ .dkl = { 0x0, 0x0, 0x14 } },	/* 1	2	600mV		6 dB */
1069 	{ .dkl = { 0x2, 0x0, 0x00 } },	/* 2	0	800mV		0 dB */
1070 	{ .dkl = { 0x0, 0x0, 0x0B } },	/* 2	1	800mV		3.5 dB */
1071 	{ .dkl = { 0x0, 0x0, 0x00 } },	/* 3	0	1200mV		0 dB */
1072 };
1073 
1074 static const struct intel_ddi_buf_trans adlp_dkl_phy_ddi_translations_dp_hbr = {
1075 	.entries = _adlp_dkl_phy_ddi_translations_dp_hbr,
1076 	.num_entries = ARRAY_SIZE(_adlp_dkl_phy_ddi_translations_dp_hbr),
1077 };
1078 
1079 static const union intel_ddi_buf_trans_entry _adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3[] = {
1080 					/* VS	pre-emp	Non-trans mV	Pre-emph dB */
1081 	{ .dkl = { 0x7, 0x0, 0x00 } },	/* 0	0	400mV		0 dB */
1082 	{ .dkl = { 0x5, 0x0, 0x04 } },	/* 0	1	400mV		3.5 dB */
1083 	{ .dkl = { 0x2, 0x0, 0x0A } },	/* 0	2	400mV		6 dB */
1084 	{ .dkl = { 0x0, 0x0, 0x18 } },	/* 0	3	400mV		9.5 dB */
1085 	{ .dkl = { 0x5, 0x0, 0x00 } },	/* 1	0	600mV		0 dB */
1086 	{ .dkl = { 0x2, 0x0, 0x06 } },	/* 1	1	600mV		3.5 dB */
1087 	{ .dkl = { 0x0, 0x0, 0x14 } },	/* 1	2	600mV		6 dB */
1088 	{ .dkl = { 0x2, 0x0, 0x00 } },	/* 2	0	800mV		0 dB */
1089 	{ .dkl = { 0x0, 0x0, 0x09 } },	/* 2	1	800mV		3.5 dB */
1090 	{ .dkl = { 0x0, 0x0, 0x00 } },	/* 3	0	1200mV		0 dB */
1091 };
1092 
1093 static const struct intel_ddi_buf_trans adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3 = {
1094 	.entries = _adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3,
1095 	.num_entries = ARRAY_SIZE(_adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3),
1096 };
1097 
1098 bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table)
1099 {
1100 	return table == &tgl_combo_phy_ddi_translations_edp_hbr2_hobl;
1101 }
1102 
1103 static const struct intel_ddi_buf_trans *
1104 intel_get_buf_trans(const struct intel_ddi_buf_trans *ddi_translations, int *num_entries)
1105 {
1106 	*num_entries = ddi_translations->num_entries;
1107 	return ddi_translations;
1108 }
1109 
1110 static const struct intel_ddi_buf_trans *
1111 hsw_get_buf_trans(struct intel_encoder *encoder,
1112 		  const struct intel_crtc_state *crtc_state,
1113 		  int *n_entries)
1114 {
1115 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG))
1116 		return intel_get_buf_trans(&hsw_ddi_translations_fdi, n_entries);
1117 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1118 		return intel_get_buf_trans(&hsw_ddi_translations_hdmi, n_entries);
1119 	else
1120 		return intel_get_buf_trans(&hsw_ddi_translations_dp, n_entries);
1121 }
1122 
1123 static const struct intel_ddi_buf_trans *
1124 bdw_get_buf_trans(struct intel_encoder *encoder,
1125 		  const struct intel_crtc_state *crtc_state,
1126 		  int *n_entries)
1127 {
1128 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1129 
1130 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG))
1131 		return intel_get_buf_trans(&bdw_ddi_translations_fdi, n_entries);
1132 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1133 		return intel_get_buf_trans(&bdw_ddi_translations_hdmi, n_entries);
1134 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1135 		 i915->vbt.edp.low_vswing)
1136 		return intel_get_buf_trans(&bdw_ddi_translations_edp, n_entries);
1137 	else
1138 		return intel_get_buf_trans(&bdw_ddi_translations_dp, n_entries);
1139 }
1140 
1141 static int skl_buf_trans_num_entries(enum port port, int n_entries)
1142 {
1143 	/* Only DDIA and DDIE can select the 10th register with DP */
1144 	if (port == PORT_A || port == PORT_E)
1145 		return min(n_entries, 10);
1146 	else
1147 		return min(n_entries, 9);
1148 }
1149 
1150 static const struct intel_ddi_buf_trans *
1151 _skl_get_buf_trans_dp(struct intel_encoder *encoder,
1152 		      const struct intel_ddi_buf_trans *ddi_translations,
1153 		      int *n_entries)
1154 {
1155 	ddi_translations = intel_get_buf_trans(ddi_translations, n_entries);
1156 	*n_entries = skl_buf_trans_num_entries(encoder->port, *n_entries);
1157 	return ddi_translations;
1158 }
1159 
1160 static const struct intel_ddi_buf_trans *
1161 skl_y_get_buf_trans(struct intel_encoder *encoder,
1162 		    const struct intel_crtc_state *crtc_state,
1163 		    int *n_entries)
1164 {
1165 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1166 
1167 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1168 		return intel_get_buf_trans(&skl_y_ddi_translations_hdmi, n_entries);
1169 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1170 		 i915->vbt.edp.low_vswing)
1171 		return _skl_get_buf_trans_dp(encoder, &skl_y_ddi_translations_edp, n_entries);
1172 	else
1173 		return _skl_get_buf_trans_dp(encoder, &skl_y_ddi_translations_dp, n_entries);
1174 }
1175 
1176 static const struct intel_ddi_buf_trans *
1177 skl_u_get_buf_trans(struct intel_encoder *encoder,
1178 		    const struct intel_crtc_state *crtc_state,
1179 		    int *n_entries)
1180 {
1181 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1182 
1183 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1184 		return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries);
1185 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1186 		 i915->vbt.edp.low_vswing)
1187 		return _skl_get_buf_trans_dp(encoder, &skl_u_ddi_translations_edp, n_entries);
1188 	else
1189 		return _skl_get_buf_trans_dp(encoder, &skl_u_ddi_translations_dp, n_entries);
1190 }
1191 
1192 static const struct intel_ddi_buf_trans *
1193 skl_get_buf_trans(struct intel_encoder *encoder,
1194 		  const struct intel_crtc_state *crtc_state,
1195 		  int *n_entries)
1196 {
1197 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1198 
1199 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1200 		return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries);
1201 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1202 		 i915->vbt.edp.low_vswing)
1203 		return _skl_get_buf_trans_dp(encoder, &skl_ddi_translations_edp, n_entries);
1204 	else
1205 		return _skl_get_buf_trans_dp(encoder, &skl_ddi_translations_dp, n_entries);
1206 }
1207 
1208 static const struct intel_ddi_buf_trans *
1209 kbl_y_get_buf_trans(struct intel_encoder *encoder,
1210 		    const struct intel_crtc_state *crtc_state,
1211 		    int *n_entries)
1212 {
1213 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1214 
1215 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1216 		return intel_get_buf_trans(&skl_y_ddi_translations_hdmi, n_entries);
1217 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1218 		 i915->vbt.edp.low_vswing)
1219 		return _skl_get_buf_trans_dp(encoder, &skl_y_ddi_translations_edp, n_entries);
1220 	else
1221 		return _skl_get_buf_trans_dp(encoder, &kbl_y_ddi_translations_dp, n_entries);
1222 }
1223 
1224 static const struct intel_ddi_buf_trans *
1225 kbl_u_get_buf_trans(struct intel_encoder *encoder,
1226 		    const struct intel_crtc_state *crtc_state,
1227 		    int *n_entries)
1228 {
1229 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1230 
1231 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1232 		return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries);
1233 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1234 		 i915->vbt.edp.low_vswing)
1235 		return _skl_get_buf_trans_dp(encoder, &skl_u_ddi_translations_edp, n_entries);
1236 	else
1237 		return _skl_get_buf_trans_dp(encoder, &kbl_u_ddi_translations_dp, n_entries);
1238 }
1239 
1240 static const struct intel_ddi_buf_trans *
1241 kbl_get_buf_trans(struct intel_encoder *encoder,
1242 		  const struct intel_crtc_state *crtc_state,
1243 		  int *n_entries)
1244 {
1245 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1246 
1247 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1248 		return intel_get_buf_trans(&skl_ddi_translations_hdmi, n_entries);
1249 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1250 		 i915->vbt.edp.low_vswing)
1251 		return _skl_get_buf_trans_dp(encoder, &skl_ddi_translations_edp, n_entries);
1252 	else
1253 		return _skl_get_buf_trans_dp(encoder, &kbl_ddi_translations_dp, n_entries);
1254 }
1255 
1256 static const struct intel_ddi_buf_trans *
1257 bxt_get_buf_trans(struct intel_encoder *encoder,
1258 		  const struct intel_crtc_state *crtc_state,
1259 		  int *n_entries)
1260 {
1261 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1262 
1263 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1264 		return intel_get_buf_trans(&bxt_ddi_translations_hdmi, n_entries);
1265 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1266 		 i915->vbt.edp.low_vswing)
1267 		return intel_get_buf_trans(&bxt_ddi_translations_edp, n_entries);
1268 	else
1269 		return intel_get_buf_trans(&bxt_ddi_translations_dp, n_entries);
1270 }
1271 
1272 static const struct intel_ddi_buf_trans *
1273 cnl_get_buf_trans_hdmi(struct intel_encoder *encoder, int *n_entries)
1274 {
1275 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1276 	u32 voltage = intel_de_read(dev_priv, CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
1277 
1278 	if (voltage == VOLTAGE_INFO_0_85V) {
1279 		return intel_get_buf_trans(&cnl_ddi_translations_hdmi_0_85V,
1280 					   n_entries);
1281 	} else if (voltage == VOLTAGE_INFO_0_95V) {
1282 		return intel_get_buf_trans(&cnl_ddi_translations_hdmi_0_95V,
1283 					   n_entries);
1284 	} else if (voltage == VOLTAGE_INFO_1_05V) {
1285 		return intel_get_buf_trans(&cnl_ddi_translations_hdmi_1_05V,
1286 					   n_entries);
1287 	} else {
1288 		*n_entries = 1; /* shut up gcc */
1289 		MISSING_CASE(voltage);
1290 	}
1291 	return NULL;
1292 }
1293 
1294 static const struct intel_ddi_buf_trans *
1295 cnl_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
1296 {
1297 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1298 	u32 voltage = intel_de_read(dev_priv, CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
1299 
1300 	if (voltage == VOLTAGE_INFO_0_85V) {
1301 		return intel_get_buf_trans(&cnl_ddi_translations_dp_0_85V,
1302 					   n_entries);
1303 	} else if (voltage == VOLTAGE_INFO_0_95V) {
1304 		return intel_get_buf_trans(&cnl_ddi_translations_dp_0_95V,
1305 					   n_entries);
1306 	} else if (voltage == VOLTAGE_INFO_1_05V) {
1307 		return intel_get_buf_trans(&cnl_ddi_translations_dp_1_05V,
1308 					   n_entries);
1309 	} else {
1310 		*n_entries = 1; /* shut up gcc */
1311 		MISSING_CASE(voltage);
1312 	}
1313 	return NULL;
1314 }
1315 
1316 static const struct intel_ddi_buf_trans *
1317 cnl_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
1318 {
1319 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1320 	u32 voltage = intel_de_read(dev_priv, CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
1321 
1322 	if (dev_priv->vbt.edp.low_vswing) {
1323 		if (voltage == VOLTAGE_INFO_0_85V) {
1324 			return intel_get_buf_trans(&cnl_ddi_translations_edp_0_85V,
1325 						   n_entries);
1326 		} else if (voltage == VOLTAGE_INFO_0_95V) {
1327 			return intel_get_buf_trans(&cnl_ddi_translations_edp_0_95V,
1328 						   n_entries);
1329 		} else if (voltage == VOLTAGE_INFO_1_05V) {
1330 			return intel_get_buf_trans(&cnl_ddi_translations_edp_1_05V,
1331 						   n_entries);
1332 		} else {
1333 			*n_entries = 1; /* shut up gcc */
1334 			MISSING_CASE(voltage);
1335 		}
1336 		return NULL;
1337 	} else {
1338 		return cnl_get_buf_trans_dp(encoder, n_entries);
1339 	}
1340 }
1341 
1342 static const struct intel_ddi_buf_trans *
1343 cnl_get_buf_trans(struct intel_encoder *encoder,
1344 		  const struct intel_crtc_state *crtc_state,
1345 		  int *n_entries)
1346 {
1347 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1348 		return cnl_get_buf_trans_hdmi(encoder, n_entries);
1349 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
1350 		return cnl_get_buf_trans_edp(encoder, n_entries);
1351 	return cnl_get_buf_trans_dp(encoder, n_entries);
1352 }
1353 
1354 static const struct intel_ddi_buf_trans *
1355 icl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
1356 			   const struct intel_crtc_state *crtc_state,
1357 			   int *n_entries)
1358 {
1359 	return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3,
1360 				   n_entries);
1361 }
1362 
1363 static const struct intel_ddi_buf_trans *
1364 icl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
1365 			    const struct intel_crtc_state *crtc_state,
1366 			    int *n_entries)
1367 {
1368 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1369 
1370 	if (crtc_state->port_clock > 540000) {
1371 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3,
1372 					   n_entries);
1373 	} else if (dev_priv->vbt.edp.low_vswing) {
1374 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2,
1375 					   n_entries);
1376 	}
1377 
1378 	return icl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1379 }
1380 
1381 static const struct intel_ddi_buf_trans *
1382 icl_get_combo_buf_trans(struct intel_encoder *encoder,
1383 			const struct intel_crtc_state *crtc_state,
1384 			int *n_entries)
1385 {
1386 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1387 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
1388 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
1389 		return icl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
1390 	else
1391 		return icl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1392 }
1393 
1394 static const struct intel_ddi_buf_trans *
1395 icl_get_mg_buf_trans_dp(struct intel_encoder *encoder,
1396 			const struct intel_crtc_state *crtc_state,
1397 			int *n_entries)
1398 {
1399 	if (crtc_state->port_clock > 270000) {
1400 		return intel_get_buf_trans(&icl_mg_phy_ddi_translations_hbr2_hbr3,
1401 					   n_entries);
1402 	} else {
1403 		return intel_get_buf_trans(&icl_mg_phy_ddi_translations_rbr_hbr,
1404 					   n_entries);
1405 	}
1406 }
1407 
1408 static const struct intel_ddi_buf_trans *
1409 icl_get_mg_buf_trans(struct intel_encoder *encoder,
1410 		     const struct intel_crtc_state *crtc_state,
1411 		     int *n_entries)
1412 {
1413 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1414 		return intel_get_buf_trans(&icl_mg_phy_ddi_translations_hdmi, n_entries);
1415 	else
1416 		return icl_get_mg_buf_trans_dp(encoder, crtc_state, n_entries);
1417 }
1418 
1419 static const struct intel_ddi_buf_trans *
1420 ehl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
1421 			    const struct intel_crtc_state *crtc_state,
1422 			    int *n_entries)
1423 {
1424 	if (crtc_state->port_clock > 270000)
1425 		return intel_get_buf_trans(&ehl_combo_phy_ddi_translations_edp_hbr2, n_entries);
1426 	else
1427 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2, n_entries);
1428 }
1429 
1430 static const struct intel_ddi_buf_trans *
1431 ehl_get_combo_buf_trans(struct intel_encoder *encoder,
1432 			const struct intel_crtc_state *crtc_state,
1433 			int *n_entries)
1434 {
1435 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1436 
1437 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1438 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
1439 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1440 		 dev_priv->vbt.edp.low_vswing)
1441 		return ehl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
1442 	else
1443 		return intel_get_buf_trans(&ehl_combo_phy_ddi_translations_dp, n_entries);
1444 }
1445 
1446 static const struct intel_ddi_buf_trans *
1447 jsl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
1448 			    const struct intel_crtc_state *crtc_state,
1449 			    int *n_entries)
1450 {
1451 	if (crtc_state->port_clock > 270000)
1452 		return intel_get_buf_trans(&jsl_combo_phy_ddi_translations_edp_hbr2, n_entries);
1453 	else
1454 		return intel_get_buf_trans(&jsl_combo_phy_ddi_translations_edp_hbr, n_entries);
1455 }
1456 
1457 static const struct intel_ddi_buf_trans *
1458 jsl_get_combo_buf_trans(struct intel_encoder *encoder,
1459 			const struct intel_crtc_state *crtc_state,
1460 			int *n_entries)
1461 {
1462 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1463 
1464 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1465 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
1466 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) &&
1467 		 dev_priv->vbt.edp.low_vswing)
1468 		return jsl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
1469 	else
1470 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3, n_entries);
1471 }
1472 
1473 static const struct intel_ddi_buf_trans *
1474 tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
1475 			   const struct intel_crtc_state *crtc_state,
1476 			   int *n_entries)
1477 {
1478 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1479 
1480 	if (crtc_state->port_clock > 270000) {
1481 		if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
1482 			return intel_get_buf_trans(&tgl_uy_combo_phy_ddi_translations_dp_hbr2,
1483 						   n_entries);
1484 		} else {
1485 			return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr2,
1486 						   n_entries);
1487 		}
1488 	} else {
1489 		return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr,
1490 					   n_entries);
1491 	}
1492 }
1493 
1494 static const struct intel_ddi_buf_trans *
1495 tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
1496 			    const struct intel_crtc_state *crtc_state,
1497 			    int *n_entries)
1498 {
1499 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1500 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
1501 
1502 	if (crtc_state->port_clock > 540000) {
1503 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3,
1504 					   n_entries);
1505 	} else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) {
1506 		return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl,
1507 					   n_entries);
1508 	} else if (dev_priv->vbt.edp.low_vswing) {
1509 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2,
1510 					   n_entries);
1511 	}
1512 
1513 	return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1514 }
1515 
1516 static const struct intel_ddi_buf_trans *
1517 tgl_get_combo_buf_trans(struct intel_encoder *encoder,
1518 			const struct intel_crtc_state *crtc_state,
1519 			int *n_entries)
1520 {
1521 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1522 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
1523 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
1524 		return tgl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
1525 	else
1526 		return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1527 }
1528 
1529 static const struct intel_ddi_buf_trans *
1530 dg1_get_combo_buf_trans_dp(struct intel_encoder *encoder,
1531 			   const struct intel_crtc_state *crtc_state,
1532 			   int *n_entries)
1533 {
1534 	if (crtc_state->port_clock > 270000)
1535 		return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_hbr2_hbr3,
1536 					   n_entries);
1537 	else
1538 		return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_rbr_hbr,
1539 					   n_entries);
1540 }
1541 
1542 static const struct intel_ddi_buf_trans *
1543 dg1_get_combo_buf_trans_edp(struct intel_encoder *encoder,
1544 			    const struct intel_crtc_state *crtc_state,
1545 			    int *n_entries)
1546 {
1547 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1548 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
1549 
1550 	if (crtc_state->port_clock > 540000)
1551 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3,
1552 					   n_entries);
1553 	else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed)
1554 		return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl,
1555 					   n_entries);
1556 	else if (dev_priv->vbt.edp.low_vswing)
1557 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2,
1558 					   n_entries);
1559 	else
1560 		return dg1_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1561 }
1562 
1563 static const struct intel_ddi_buf_trans *
1564 dg1_get_combo_buf_trans(struct intel_encoder *encoder,
1565 			const struct intel_crtc_state *crtc_state,
1566 			int *n_entries)
1567 {
1568 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1569 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
1570 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
1571 		return dg1_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
1572 	else
1573 		return dg1_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1574 }
1575 
1576 static const struct intel_ddi_buf_trans *
1577 rkl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
1578 			   const struct intel_crtc_state *crtc_state,
1579 			   int *n_entries)
1580 {
1581 	if (crtc_state->port_clock > 270000)
1582 		return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr2_hbr3, n_entries);
1583 	else
1584 		return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr, n_entries);
1585 }
1586 
1587 static const struct intel_ddi_buf_trans *
1588 rkl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
1589 			    const struct intel_crtc_state *crtc_state,
1590 			    int *n_entries)
1591 {
1592 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1593 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
1594 
1595 	if (crtc_state->port_clock > 540000) {
1596 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_dp_hbr2_edp_hbr3,
1597 					   n_entries);
1598 	} else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) {
1599 		return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl,
1600 					   n_entries);
1601 	} else if (dev_priv->vbt.edp.low_vswing) {
1602 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2,
1603 					   n_entries);
1604 	}
1605 
1606 	return rkl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1607 }
1608 
1609 static const struct intel_ddi_buf_trans *
1610 rkl_get_combo_buf_trans(struct intel_encoder *encoder,
1611 			const struct intel_crtc_state *crtc_state,
1612 			int *n_entries)
1613 {
1614 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1615 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
1616 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
1617 		return rkl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
1618 	else
1619 		return rkl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1620 }
1621 
1622 static const struct intel_ddi_buf_trans *
1623 adls_get_combo_buf_trans_dp(struct intel_encoder *encoder,
1624 			    const struct intel_crtc_state *crtc_state,
1625 			    int *n_entries)
1626 {
1627 	if (crtc_state->port_clock > 270000)
1628 		return intel_get_buf_trans(&adls_combo_phy_ddi_translations_dp_hbr2_hbr3, n_entries);
1629 	else
1630 		return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr, n_entries);
1631 }
1632 
1633 static const struct intel_ddi_buf_trans *
1634 adls_get_combo_buf_trans_edp(struct intel_encoder *encoder,
1635 			     const struct intel_crtc_state *crtc_state,
1636 			     int *n_entries)
1637 {
1638 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1639 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
1640 
1641 	if (crtc_state->port_clock > 540000)
1642 		return intel_get_buf_trans(&adls_combo_phy_ddi_translations_edp_hbr3, n_entries);
1643 	else if (i915->vbt.edp.hobl && !intel_dp->hobl_failed)
1644 		return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl, n_entries);
1645 	else if (i915->vbt.edp.low_vswing)
1646 		return intel_get_buf_trans(&adls_combo_phy_ddi_translations_edp_hbr2, n_entries);
1647 	else
1648 		return adls_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1649 }
1650 
1651 static const struct intel_ddi_buf_trans *
1652 adls_get_combo_buf_trans(struct intel_encoder *encoder,
1653 			 const struct intel_crtc_state *crtc_state,
1654 			 int *n_entries)
1655 {
1656 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1657 		return intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
1658 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
1659 		return adls_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
1660 	else
1661 		return adls_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
1662 }
1663 
1664 static const struct intel_ddi_buf_trans *
1665 tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder,
1666 			 const struct intel_crtc_state *crtc_state,
1667 			 int *n_entries)
1668 {
1669 	if (crtc_state->port_clock > 270000) {
1670 		return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_dp_hbr2,
1671 					   n_entries);
1672 	} else {
1673 		return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_dp_hbr,
1674 					   n_entries);
1675 	}
1676 }
1677 
1678 static const struct intel_ddi_buf_trans *
1679 tgl_get_dkl_buf_trans(struct intel_encoder *encoder,
1680 		      const struct intel_crtc_state *crtc_state,
1681 		      int *n_entries)
1682 {
1683 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1684 		return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_hdmi, n_entries);
1685 	else
1686 		return tgl_get_dkl_buf_trans_dp(encoder, crtc_state, n_entries);
1687 }
1688 
1689 static const struct intel_ddi_buf_trans *
1690 adlp_get_dkl_buf_trans_dp(struct intel_encoder *encoder,
1691 			  const struct intel_crtc_state *crtc_state,
1692 			  int *n_entries)
1693 {
1694 	if (crtc_state->port_clock > 270000) {
1695 		return intel_get_buf_trans(&adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3,
1696 					   n_entries);
1697 	} else {
1698 		return intel_get_buf_trans(&adlp_dkl_phy_ddi_translations_dp_hbr,
1699 					   n_entries);
1700 	}
1701 }
1702 
1703 static const struct intel_ddi_buf_trans *
1704 adlp_get_dkl_buf_trans(struct intel_encoder *encoder,
1705 		       const struct intel_crtc_state *crtc_state,
1706 		       int *n_entries)
1707 {
1708 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
1709 		return intel_get_buf_trans(&tgl_dkl_phy_ddi_translations_hdmi, n_entries);
1710 	else
1711 		return adlp_get_dkl_buf_trans_dp(encoder, crtc_state, n_entries);
1712 }
1713 
1714 int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
1715 			       const struct intel_crtc_state *crtc_state,
1716 			       int *default_entry)
1717 {
1718 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1719 	const struct intel_ddi_buf_trans *ddi_translations;
1720 	int n_entries;
1721 
1722 	ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries);
1723 
1724 	if (drm_WARN_ON(&dev_priv->drm, !ddi_translations)) {
1725 		*default_entry = 0;
1726 		return 0;
1727 	}
1728 
1729 	*default_entry = ddi_translations->hdmi_default_entry;
1730 
1731 	return n_entries;
1732 }
1733 
1734 void intel_ddi_buf_trans_init(struct intel_encoder *encoder)
1735 {
1736 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1737 	enum phy phy = intel_port_to_phy(i915, encoder->port);
1738 
1739 	if (IS_ALDERLAKE_P(i915)) {
1740 		if (intel_phy_is_combo(i915, phy))
1741 			encoder->get_buf_trans = tgl_get_combo_buf_trans;
1742 		else
1743 			encoder->get_buf_trans = adlp_get_dkl_buf_trans;
1744 	} else if (IS_ALDERLAKE_S(i915)) {
1745 		encoder->get_buf_trans = adls_get_combo_buf_trans;
1746 	} else if (IS_ROCKETLAKE(i915)) {
1747 		encoder->get_buf_trans = rkl_get_combo_buf_trans;
1748 	} else if (IS_DG1(i915)) {
1749 		encoder->get_buf_trans = dg1_get_combo_buf_trans;
1750 	} else if (DISPLAY_VER(i915) >= 12) {
1751 		if (intel_phy_is_combo(i915, phy))
1752 			encoder->get_buf_trans = tgl_get_combo_buf_trans;
1753 		else
1754 			encoder->get_buf_trans = tgl_get_dkl_buf_trans;
1755 	} else if (DISPLAY_VER(i915) == 11) {
1756 		if (IS_PLATFORM(i915, INTEL_JASPERLAKE))
1757 			encoder->get_buf_trans = jsl_get_combo_buf_trans;
1758 		else if (IS_PLATFORM(i915, INTEL_ELKHARTLAKE))
1759 			encoder->get_buf_trans = ehl_get_combo_buf_trans;
1760 		else if (intel_phy_is_combo(i915, phy))
1761 			encoder->get_buf_trans = icl_get_combo_buf_trans;
1762 		else
1763 			encoder->get_buf_trans = icl_get_mg_buf_trans;
1764 	} else if (IS_CANNONLAKE(i915)) {
1765 		encoder->get_buf_trans = cnl_get_buf_trans;
1766 	} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
1767 		encoder->get_buf_trans = bxt_get_buf_trans;
1768 	} else if (IS_CML_ULX(i915) || IS_CFL_ULX(i915) || IS_KBL_ULX(i915)) {
1769 		encoder->get_buf_trans = kbl_y_get_buf_trans;
1770 	} else if (IS_CML_ULT(i915) || IS_CFL_ULT(i915) || IS_KBL_ULT(i915)) {
1771 		encoder->get_buf_trans = kbl_u_get_buf_trans;
1772 	} else if (IS_COMETLAKE(i915) || IS_COFFEELAKE(i915) || IS_KABYLAKE(i915)) {
1773 		encoder->get_buf_trans = kbl_get_buf_trans;
1774 	} else if (IS_SKL_ULX(i915)) {
1775 		encoder->get_buf_trans = skl_y_get_buf_trans;
1776 	} else if (IS_SKL_ULT(i915)) {
1777 		encoder->get_buf_trans = skl_u_get_buf_trans;
1778 	} else if (IS_SKYLAKE(i915)) {
1779 		encoder->get_buf_trans = skl_get_buf_trans;
1780 	} else if (IS_BROADWELL(i915)) {
1781 		encoder->get_buf_trans = bdw_get_buf_trans;
1782 	} else {
1783 		encoder->get_buf_trans = hsw_get_buf_trans;
1784 	}
1785 }
1786