xref: /openbmc/linux/drivers/gpu/drm/radeon/ni_dpm.c (revision fcbd8037)
1 /*
2  * Copyright 2012 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  */
23 
24 #include <linux/math64.h>
25 #include <linux/seq_file.h>
26 
27 #include <drm/drm_pci.h>
28 
29 #include "atom.h"
30 #include "ni_dpm.h"
31 #include "nid.h"
32 #include "r600_dpm.h"
33 #include "radeon.h"
34 #include "radeon_asic.h"
35 
36 #define MC_CG_ARB_FREQ_F0           0x0a
37 #define MC_CG_ARB_FREQ_F1           0x0b
38 #define MC_CG_ARB_FREQ_F2           0x0c
39 #define MC_CG_ARB_FREQ_F3           0x0d
40 
41 #define SMC_RAM_END 0xC000
42 
43 static const struct ni_cac_weights cac_weights_cayman_xt =
44 {
45 	0x15,
46 	0x2,
47 	0x19,
48 	0x2,
49 	0x8,
50 	0x14,
51 	0x2,
52 	0x16,
53 	0xE,
54 	0x17,
55 	0x13,
56 	0x2B,
57 	0x10,
58 	0x7,
59 	0x5,
60 	0x5,
61 	0x5,
62 	0x2,
63 	0x3,
64 	0x9,
65 	0x10,
66 	0x10,
67 	0x2B,
68 	0xA,
69 	0x9,
70 	0x4,
71 	0xD,
72 	0xD,
73 	0x3E,
74 	0x18,
75 	0x14,
76 	0,
77 	0x3,
78 	0x3,
79 	0x5,
80 	0,
81 	0x2,
82 	0,
83 	0,
84 	0,
85 	0,
86 	0,
87 	0,
88 	0,
89 	0,
90 	0,
91 	0x1CC,
92 	0,
93 	0x164,
94 	1,
95 	1,
96 	1,
97 	1,
98 	12,
99 	12,
100 	12,
101 	0x12,
102 	0x1F,
103 	132,
104 	5,
105 	7,
106 	0,
107 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
108 	{ 0, 0, 0, 0 },
109 	true
110 };
111 
112 static const struct ni_cac_weights cac_weights_cayman_pro =
113 {
114 	0x16,
115 	0x4,
116 	0x10,
117 	0x2,
118 	0xA,
119 	0x16,
120 	0x2,
121 	0x18,
122 	0x10,
123 	0x1A,
124 	0x16,
125 	0x2D,
126 	0x12,
127 	0xA,
128 	0x6,
129 	0x6,
130 	0x6,
131 	0x2,
132 	0x4,
133 	0xB,
134 	0x11,
135 	0x11,
136 	0x2D,
137 	0xC,
138 	0xC,
139 	0x7,
140 	0x10,
141 	0x10,
142 	0x3F,
143 	0x1A,
144 	0x16,
145 	0,
146 	0x7,
147 	0x4,
148 	0x6,
149 	1,
150 	0x2,
151 	0x1,
152 	0,
153 	0,
154 	0,
155 	0,
156 	0,
157 	0,
158 	0x30,
159 	0,
160 	0x1CF,
161 	0,
162 	0x166,
163 	1,
164 	1,
165 	1,
166 	1,
167 	12,
168 	12,
169 	12,
170 	0x15,
171 	0x1F,
172 	132,
173 	6,
174 	6,
175 	0,
176 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
177 	{ 0, 0, 0, 0 },
178 	true
179 };
180 
181 static const struct ni_cac_weights cac_weights_cayman_le =
182 {
183 	0x7,
184 	0xE,
185 	0x1,
186 	0xA,
187 	0x1,
188 	0x3F,
189 	0x2,
190 	0x18,
191 	0x10,
192 	0x1A,
193 	0x1,
194 	0x3F,
195 	0x1,
196 	0xE,
197 	0x6,
198 	0x6,
199 	0x6,
200 	0x2,
201 	0x4,
202 	0x9,
203 	0x1A,
204 	0x1A,
205 	0x2C,
206 	0xA,
207 	0x11,
208 	0x8,
209 	0x19,
210 	0x19,
211 	0x1,
212 	0x1,
213 	0x1A,
214 	0,
215 	0x8,
216 	0x5,
217 	0x8,
218 	0x1,
219 	0x3,
220 	0x1,
221 	0,
222 	0,
223 	0,
224 	0,
225 	0,
226 	0,
227 	0x38,
228 	0x38,
229 	0x239,
230 	0x3,
231 	0x18A,
232 	1,
233 	1,
234 	1,
235 	1,
236 	12,
237 	12,
238 	12,
239 	0x15,
240 	0x22,
241 	132,
242 	6,
243 	6,
244 	0,
245 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
246 	{ 0, 0, 0, 0 },
247 	true
248 };
249 
250 #define NISLANDS_MGCG_SEQUENCE  300
251 
252 static const u32 cayman_cgcg_cgls_default[] =
253 {
254 	0x000008f8, 0x00000010, 0xffffffff,
255 	0x000008fc, 0x00000000, 0xffffffff,
256 	0x000008f8, 0x00000011, 0xffffffff,
257 	0x000008fc, 0x00000000, 0xffffffff,
258 	0x000008f8, 0x00000012, 0xffffffff,
259 	0x000008fc, 0x00000000, 0xffffffff,
260 	0x000008f8, 0x00000013, 0xffffffff,
261 	0x000008fc, 0x00000000, 0xffffffff,
262 	0x000008f8, 0x00000014, 0xffffffff,
263 	0x000008fc, 0x00000000, 0xffffffff,
264 	0x000008f8, 0x00000015, 0xffffffff,
265 	0x000008fc, 0x00000000, 0xffffffff,
266 	0x000008f8, 0x00000016, 0xffffffff,
267 	0x000008fc, 0x00000000, 0xffffffff,
268 	0x000008f8, 0x00000017, 0xffffffff,
269 	0x000008fc, 0x00000000, 0xffffffff,
270 	0x000008f8, 0x00000018, 0xffffffff,
271 	0x000008fc, 0x00000000, 0xffffffff,
272 	0x000008f8, 0x00000019, 0xffffffff,
273 	0x000008fc, 0x00000000, 0xffffffff,
274 	0x000008f8, 0x0000001a, 0xffffffff,
275 	0x000008fc, 0x00000000, 0xffffffff,
276 	0x000008f8, 0x0000001b, 0xffffffff,
277 	0x000008fc, 0x00000000, 0xffffffff,
278 	0x000008f8, 0x00000020, 0xffffffff,
279 	0x000008fc, 0x00000000, 0xffffffff,
280 	0x000008f8, 0x00000021, 0xffffffff,
281 	0x000008fc, 0x00000000, 0xffffffff,
282 	0x000008f8, 0x00000022, 0xffffffff,
283 	0x000008fc, 0x00000000, 0xffffffff,
284 	0x000008f8, 0x00000023, 0xffffffff,
285 	0x000008fc, 0x00000000, 0xffffffff,
286 	0x000008f8, 0x00000024, 0xffffffff,
287 	0x000008fc, 0x00000000, 0xffffffff,
288 	0x000008f8, 0x00000025, 0xffffffff,
289 	0x000008fc, 0x00000000, 0xffffffff,
290 	0x000008f8, 0x00000026, 0xffffffff,
291 	0x000008fc, 0x00000000, 0xffffffff,
292 	0x000008f8, 0x00000027, 0xffffffff,
293 	0x000008fc, 0x00000000, 0xffffffff,
294 	0x000008f8, 0x00000028, 0xffffffff,
295 	0x000008fc, 0x00000000, 0xffffffff,
296 	0x000008f8, 0x00000029, 0xffffffff,
297 	0x000008fc, 0x00000000, 0xffffffff,
298 	0x000008f8, 0x0000002a, 0xffffffff,
299 	0x000008fc, 0x00000000, 0xffffffff,
300 	0x000008f8, 0x0000002b, 0xffffffff,
301 	0x000008fc, 0x00000000, 0xffffffff
302 };
303 #define CAYMAN_CGCG_CGLS_DEFAULT_LENGTH sizeof(cayman_cgcg_cgls_default) / (3 * sizeof(u32))
304 
305 static const u32 cayman_cgcg_cgls_disable[] =
306 {
307 	0x000008f8, 0x00000010, 0xffffffff,
308 	0x000008fc, 0xffffffff, 0xffffffff,
309 	0x000008f8, 0x00000011, 0xffffffff,
310 	0x000008fc, 0xffffffff, 0xffffffff,
311 	0x000008f8, 0x00000012, 0xffffffff,
312 	0x000008fc, 0xffffffff, 0xffffffff,
313 	0x000008f8, 0x00000013, 0xffffffff,
314 	0x000008fc, 0xffffffff, 0xffffffff,
315 	0x000008f8, 0x00000014, 0xffffffff,
316 	0x000008fc, 0xffffffff, 0xffffffff,
317 	0x000008f8, 0x00000015, 0xffffffff,
318 	0x000008fc, 0xffffffff, 0xffffffff,
319 	0x000008f8, 0x00000016, 0xffffffff,
320 	0x000008fc, 0xffffffff, 0xffffffff,
321 	0x000008f8, 0x00000017, 0xffffffff,
322 	0x000008fc, 0xffffffff, 0xffffffff,
323 	0x000008f8, 0x00000018, 0xffffffff,
324 	0x000008fc, 0xffffffff, 0xffffffff,
325 	0x000008f8, 0x00000019, 0xffffffff,
326 	0x000008fc, 0xffffffff, 0xffffffff,
327 	0x000008f8, 0x0000001a, 0xffffffff,
328 	0x000008fc, 0xffffffff, 0xffffffff,
329 	0x000008f8, 0x0000001b, 0xffffffff,
330 	0x000008fc, 0xffffffff, 0xffffffff,
331 	0x000008f8, 0x00000020, 0xffffffff,
332 	0x000008fc, 0x00000000, 0xffffffff,
333 	0x000008f8, 0x00000021, 0xffffffff,
334 	0x000008fc, 0x00000000, 0xffffffff,
335 	0x000008f8, 0x00000022, 0xffffffff,
336 	0x000008fc, 0x00000000, 0xffffffff,
337 	0x000008f8, 0x00000023, 0xffffffff,
338 	0x000008fc, 0x00000000, 0xffffffff,
339 	0x000008f8, 0x00000024, 0xffffffff,
340 	0x000008fc, 0x00000000, 0xffffffff,
341 	0x000008f8, 0x00000025, 0xffffffff,
342 	0x000008fc, 0x00000000, 0xffffffff,
343 	0x000008f8, 0x00000026, 0xffffffff,
344 	0x000008fc, 0x00000000, 0xffffffff,
345 	0x000008f8, 0x00000027, 0xffffffff,
346 	0x000008fc, 0x00000000, 0xffffffff,
347 	0x000008f8, 0x00000028, 0xffffffff,
348 	0x000008fc, 0x00000000, 0xffffffff,
349 	0x000008f8, 0x00000029, 0xffffffff,
350 	0x000008fc, 0x00000000, 0xffffffff,
351 	0x000008f8, 0x0000002a, 0xffffffff,
352 	0x000008fc, 0x00000000, 0xffffffff,
353 	0x000008f8, 0x0000002b, 0xffffffff,
354 	0x000008fc, 0x00000000, 0xffffffff,
355 	0x00000644, 0x000f7902, 0x001f4180,
356 	0x00000644, 0x000f3802, 0x001f4180
357 };
358 #define CAYMAN_CGCG_CGLS_DISABLE_LENGTH sizeof(cayman_cgcg_cgls_disable) / (3 * sizeof(u32))
359 
360 static const u32 cayman_cgcg_cgls_enable[] =
361 {
362 	0x00000644, 0x000f7882, 0x001f4080,
363 	0x000008f8, 0x00000010, 0xffffffff,
364 	0x000008fc, 0x00000000, 0xffffffff,
365 	0x000008f8, 0x00000011, 0xffffffff,
366 	0x000008fc, 0x00000000, 0xffffffff,
367 	0x000008f8, 0x00000012, 0xffffffff,
368 	0x000008fc, 0x00000000, 0xffffffff,
369 	0x000008f8, 0x00000013, 0xffffffff,
370 	0x000008fc, 0x00000000, 0xffffffff,
371 	0x000008f8, 0x00000014, 0xffffffff,
372 	0x000008fc, 0x00000000, 0xffffffff,
373 	0x000008f8, 0x00000015, 0xffffffff,
374 	0x000008fc, 0x00000000, 0xffffffff,
375 	0x000008f8, 0x00000016, 0xffffffff,
376 	0x000008fc, 0x00000000, 0xffffffff,
377 	0x000008f8, 0x00000017, 0xffffffff,
378 	0x000008fc, 0x00000000, 0xffffffff,
379 	0x000008f8, 0x00000018, 0xffffffff,
380 	0x000008fc, 0x00000000, 0xffffffff,
381 	0x000008f8, 0x00000019, 0xffffffff,
382 	0x000008fc, 0x00000000, 0xffffffff,
383 	0x000008f8, 0x0000001a, 0xffffffff,
384 	0x000008fc, 0x00000000, 0xffffffff,
385 	0x000008f8, 0x0000001b, 0xffffffff,
386 	0x000008fc, 0x00000000, 0xffffffff,
387 	0x000008f8, 0x00000020, 0xffffffff,
388 	0x000008fc, 0xffffffff, 0xffffffff,
389 	0x000008f8, 0x00000021, 0xffffffff,
390 	0x000008fc, 0xffffffff, 0xffffffff,
391 	0x000008f8, 0x00000022, 0xffffffff,
392 	0x000008fc, 0xffffffff, 0xffffffff,
393 	0x000008f8, 0x00000023, 0xffffffff,
394 	0x000008fc, 0xffffffff, 0xffffffff,
395 	0x000008f8, 0x00000024, 0xffffffff,
396 	0x000008fc, 0xffffffff, 0xffffffff,
397 	0x000008f8, 0x00000025, 0xffffffff,
398 	0x000008fc, 0xffffffff, 0xffffffff,
399 	0x000008f8, 0x00000026, 0xffffffff,
400 	0x000008fc, 0xffffffff, 0xffffffff,
401 	0x000008f8, 0x00000027, 0xffffffff,
402 	0x000008fc, 0xffffffff, 0xffffffff,
403 	0x000008f8, 0x00000028, 0xffffffff,
404 	0x000008fc, 0xffffffff, 0xffffffff,
405 	0x000008f8, 0x00000029, 0xffffffff,
406 	0x000008fc, 0xffffffff, 0xffffffff,
407 	0x000008f8, 0x0000002a, 0xffffffff,
408 	0x000008fc, 0xffffffff, 0xffffffff,
409 	0x000008f8, 0x0000002b, 0xffffffff,
410 	0x000008fc, 0xffffffff, 0xffffffff
411 };
412 #define CAYMAN_CGCG_CGLS_ENABLE_LENGTH  sizeof(cayman_cgcg_cgls_enable) / (3 * sizeof(u32))
413 
414 static const u32 cayman_mgcg_default[] =
415 {
416 	0x0000802c, 0xc0000000, 0xffffffff,
417 	0x00003fc4, 0xc0000000, 0xffffffff,
418 	0x00005448, 0x00000100, 0xffffffff,
419 	0x000055e4, 0x00000100, 0xffffffff,
420 	0x0000160c, 0x00000100, 0xffffffff,
421 	0x00008984, 0x06000100, 0xffffffff,
422 	0x0000c164, 0x00000100, 0xffffffff,
423 	0x00008a18, 0x00000100, 0xffffffff,
424 	0x0000897c, 0x06000100, 0xffffffff,
425 	0x00008b28, 0x00000100, 0xffffffff,
426 	0x00009144, 0x00800200, 0xffffffff,
427 	0x00009a60, 0x00000100, 0xffffffff,
428 	0x00009868, 0x00000100, 0xffffffff,
429 	0x00008d58, 0x00000100, 0xffffffff,
430 	0x00009510, 0x00000100, 0xffffffff,
431 	0x0000949c, 0x00000100, 0xffffffff,
432 	0x00009654, 0x00000100, 0xffffffff,
433 	0x00009030, 0x00000100, 0xffffffff,
434 	0x00009034, 0x00000100, 0xffffffff,
435 	0x00009038, 0x00000100, 0xffffffff,
436 	0x0000903c, 0x00000100, 0xffffffff,
437 	0x00009040, 0x00000100, 0xffffffff,
438 	0x0000a200, 0x00000100, 0xffffffff,
439 	0x0000a204, 0x00000100, 0xffffffff,
440 	0x0000a208, 0x00000100, 0xffffffff,
441 	0x0000a20c, 0x00000100, 0xffffffff,
442 	0x00009744, 0x00000100, 0xffffffff,
443 	0x00003f80, 0x00000100, 0xffffffff,
444 	0x0000a210, 0x00000100, 0xffffffff,
445 	0x0000a214, 0x00000100, 0xffffffff,
446 	0x000004d8, 0x00000100, 0xffffffff,
447 	0x00009664, 0x00000100, 0xffffffff,
448 	0x00009698, 0x00000100, 0xffffffff,
449 	0x000004d4, 0x00000200, 0xffffffff,
450 	0x000004d0, 0x00000000, 0xffffffff,
451 	0x000030cc, 0x00000104, 0xffffffff,
452 	0x0000d0c0, 0x00000100, 0xffffffff,
453 	0x0000d8c0, 0x00000100, 0xffffffff,
454 	0x0000802c, 0x40000000, 0xffffffff,
455 	0x00003fc4, 0x40000000, 0xffffffff,
456 	0x0000915c, 0x00010000, 0xffffffff,
457 	0x00009160, 0x00030002, 0xffffffff,
458 	0x00009164, 0x00050004, 0xffffffff,
459 	0x00009168, 0x00070006, 0xffffffff,
460 	0x00009178, 0x00070000, 0xffffffff,
461 	0x0000917c, 0x00030002, 0xffffffff,
462 	0x00009180, 0x00050004, 0xffffffff,
463 	0x0000918c, 0x00010006, 0xffffffff,
464 	0x00009190, 0x00090008, 0xffffffff,
465 	0x00009194, 0x00070000, 0xffffffff,
466 	0x00009198, 0x00030002, 0xffffffff,
467 	0x0000919c, 0x00050004, 0xffffffff,
468 	0x000091a8, 0x00010006, 0xffffffff,
469 	0x000091ac, 0x00090008, 0xffffffff,
470 	0x000091b0, 0x00070000, 0xffffffff,
471 	0x000091b4, 0x00030002, 0xffffffff,
472 	0x000091b8, 0x00050004, 0xffffffff,
473 	0x000091c4, 0x00010006, 0xffffffff,
474 	0x000091c8, 0x00090008, 0xffffffff,
475 	0x000091cc, 0x00070000, 0xffffffff,
476 	0x000091d0, 0x00030002, 0xffffffff,
477 	0x000091d4, 0x00050004, 0xffffffff,
478 	0x000091e0, 0x00010006, 0xffffffff,
479 	0x000091e4, 0x00090008, 0xffffffff,
480 	0x000091e8, 0x00000000, 0xffffffff,
481 	0x000091ec, 0x00070000, 0xffffffff,
482 	0x000091f0, 0x00030002, 0xffffffff,
483 	0x000091f4, 0x00050004, 0xffffffff,
484 	0x00009200, 0x00010006, 0xffffffff,
485 	0x00009204, 0x00090008, 0xffffffff,
486 	0x00009208, 0x00070000, 0xffffffff,
487 	0x0000920c, 0x00030002, 0xffffffff,
488 	0x00009210, 0x00050004, 0xffffffff,
489 	0x0000921c, 0x00010006, 0xffffffff,
490 	0x00009220, 0x00090008, 0xffffffff,
491 	0x00009224, 0x00070000, 0xffffffff,
492 	0x00009228, 0x00030002, 0xffffffff,
493 	0x0000922c, 0x00050004, 0xffffffff,
494 	0x00009238, 0x00010006, 0xffffffff,
495 	0x0000923c, 0x00090008, 0xffffffff,
496 	0x00009240, 0x00070000, 0xffffffff,
497 	0x00009244, 0x00030002, 0xffffffff,
498 	0x00009248, 0x00050004, 0xffffffff,
499 	0x00009254, 0x00010006, 0xffffffff,
500 	0x00009258, 0x00090008, 0xffffffff,
501 	0x0000925c, 0x00070000, 0xffffffff,
502 	0x00009260, 0x00030002, 0xffffffff,
503 	0x00009264, 0x00050004, 0xffffffff,
504 	0x00009270, 0x00010006, 0xffffffff,
505 	0x00009274, 0x00090008, 0xffffffff,
506 	0x00009278, 0x00070000, 0xffffffff,
507 	0x0000927c, 0x00030002, 0xffffffff,
508 	0x00009280, 0x00050004, 0xffffffff,
509 	0x0000928c, 0x00010006, 0xffffffff,
510 	0x00009290, 0x00090008, 0xffffffff,
511 	0x000092a8, 0x00070000, 0xffffffff,
512 	0x000092ac, 0x00030002, 0xffffffff,
513 	0x000092b0, 0x00050004, 0xffffffff,
514 	0x000092bc, 0x00010006, 0xffffffff,
515 	0x000092c0, 0x00090008, 0xffffffff,
516 	0x000092c4, 0x00070000, 0xffffffff,
517 	0x000092c8, 0x00030002, 0xffffffff,
518 	0x000092cc, 0x00050004, 0xffffffff,
519 	0x000092d8, 0x00010006, 0xffffffff,
520 	0x000092dc, 0x00090008, 0xffffffff,
521 	0x00009294, 0x00000000, 0xffffffff,
522 	0x0000802c, 0x40010000, 0xffffffff,
523 	0x00003fc4, 0x40010000, 0xffffffff,
524 	0x0000915c, 0x00010000, 0xffffffff,
525 	0x00009160, 0x00030002, 0xffffffff,
526 	0x00009164, 0x00050004, 0xffffffff,
527 	0x00009168, 0x00070006, 0xffffffff,
528 	0x00009178, 0x00070000, 0xffffffff,
529 	0x0000917c, 0x00030002, 0xffffffff,
530 	0x00009180, 0x00050004, 0xffffffff,
531 	0x0000918c, 0x00010006, 0xffffffff,
532 	0x00009190, 0x00090008, 0xffffffff,
533 	0x00009194, 0x00070000, 0xffffffff,
534 	0x00009198, 0x00030002, 0xffffffff,
535 	0x0000919c, 0x00050004, 0xffffffff,
536 	0x000091a8, 0x00010006, 0xffffffff,
537 	0x000091ac, 0x00090008, 0xffffffff,
538 	0x000091b0, 0x00070000, 0xffffffff,
539 	0x000091b4, 0x00030002, 0xffffffff,
540 	0x000091b8, 0x00050004, 0xffffffff,
541 	0x000091c4, 0x00010006, 0xffffffff,
542 	0x000091c8, 0x00090008, 0xffffffff,
543 	0x000091cc, 0x00070000, 0xffffffff,
544 	0x000091d0, 0x00030002, 0xffffffff,
545 	0x000091d4, 0x00050004, 0xffffffff,
546 	0x000091e0, 0x00010006, 0xffffffff,
547 	0x000091e4, 0x00090008, 0xffffffff,
548 	0x000091e8, 0x00000000, 0xffffffff,
549 	0x000091ec, 0x00070000, 0xffffffff,
550 	0x000091f0, 0x00030002, 0xffffffff,
551 	0x000091f4, 0x00050004, 0xffffffff,
552 	0x00009200, 0x00010006, 0xffffffff,
553 	0x00009204, 0x00090008, 0xffffffff,
554 	0x00009208, 0x00070000, 0xffffffff,
555 	0x0000920c, 0x00030002, 0xffffffff,
556 	0x00009210, 0x00050004, 0xffffffff,
557 	0x0000921c, 0x00010006, 0xffffffff,
558 	0x00009220, 0x00090008, 0xffffffff,
559 	0x00009224, 0x00070000, 0xffffffff,
560 	0x00009228, 0x00030002, 0xffffffff,
561 	0x0000922c, 0x00050004, 0xffffffff,
562 	0x00009238, 0x00010006, 0xffffffff,
563 	0x0000923c, 0x00090008, 0xffffffff,
564 	0x00009240, 0x00070000, 0xffffffff,
565 	0x00009244, 0x00030002, 0xffffffff,
566 	0x00009248, 0x00050004, 0xffffffff,
567 	0x00009254, 0x00010006, 0xffffffff,
568 	0x00009258, 0x00090008, 0xffffffff,
569 	0x0000925c, 0x00070000, 0xffffffff,
570 	0x00009260, 0x00030002, 0xffffffff,
571 	0x00009264, 0x00050004, 0xffffffff,
572 	0x00009270, 0x00010006, 0xffffffff,
573 	0x00009274, 0x00090008, 0xffffffff,
574 	0x00009278, 0x00070000, 0xffffffff,
575 	0x0000927c, 0x00030002, 0xffffffff,
576 	0x00009280, 0x00050004, 0xffffffff,
577 	0x0000928c, 0x00010006, 0xffffffff,
578 	0x00009290, 0x00090008, 0xffffffff,
579 	0x000092a8, 0x00070000, 0xffffffff,
580 	0x000092ac, 0x00030002, 0xffffffff,
581 	0x000092b0, 0x00050004, 0xffffffff,
582 	0x000092bc, 0x00010006, 0xffffffff,
583 	0x000092c0, 0x00090008, 0xffffffff,
584 	0x000092c4, 0x00070000, 0xffffffff,
585 	0x000092c8, 0x00030002, 0xffffffff,
586 	0x000092cc, 0x00050004, 0xffffffff,
587 	0x000092d8, 0x00010006, 0xffffffff,
588 	0x000092dc, 0x00090008, 0xffffffff,
589 	0x00009294, 0x00000000, 0xffffffff,
590 	0x0000802c, 0xc0000000, 0xffffffff,
591 	0x00003fc4, 0xc0000000, 0xffffffff,
592 	0x000008f8, 0x00000010, 0xffffffff,
593 	0x000008fc, 0x00000000, 0xffffffff,
594 	0x000008f8, 0x00000011, 0xffffffff,
595 	0x000008fc, 0x00000000, 0xffffffff,
596 	0x000008f8, 0x00000012, 0xffffffff,
597 	0x000008fc, 0x00000000, 0xffffffff,
598 	0x000008f8, 0x00000013, 0xffffffff,
599 	0x000008fc, 0x00000000, 0xffffffff,
600 	0x000008f8, 0x00000014, 0xffffffff,
601 	0x000008fc, 0x00000000, 0xffffffff,
602 	0x000008f8, 0x00000015, 0xffffffff,
603 	0x000008fc, 0x00000000, 0xffffffff,
604 	0x000008f8, 0x00000016, 0xffffffff,
605 	0x000008fc, 0x00000000, 0xffffffff,
606 	0x000008f8, 0x00000017, 0xffffffff,
607 	0x000008fc, 0x00000000, 0xffffffff,
608 	0x000008f8, 0x00000018, 0xffffffff,
609 	0x000008fc, 0x00000000, 0xffffffff,
610 	0x000008f8, 0x00000019, 0xffffffff,
611 	0x000008fc, 0x00000000, 0xffffffff,
612 	0x000008f8, 0x0000001a, 0xffffffff,
613 	0x000008fc, 0x00000000, 0xffffffff,
614 	0x000008f8, 0x0000001b, 0xffffffff,
615 	0x000008fc, 0x00000000, 0xffffffff
616 };
617 #define CAYMAN_MGCG_DEFAULT_LENGTH sizeof(cayman_mgcg_default) / (3 * sizeof(u32))
618 
619 static const u32 cayman_mgcg_disable[] =
620 {
621 	0x0000802c, 0xc0000000, 0xffffffff,
622 	0x000008f8, 0x00000000, 0xffffffff,
623 	0x000008fc, 0xffffffff, 0xffffffff,
624 	0x000008f8, 0x00000001, 0xffffffff,
625 	0x000008fc, 0xffffffff, 0xffffffff,
626 	0x000008f8, 0x00000002, 0xffffffff,
627 	0x000008fc, 0xffffffff, 0xffffffff,
628 	0x000008f8, 0x00000003, 0xffffffff,
629 	0x000008fc, 0xffffffff, 0xffffffff,
630 	0x00009150, 0x00600000, 0xffffffff
631 };
632 #define CAYMAN_MGCG_DISABLE_LENGTH   sizeof(cayman_mgcg_disable) / (3 * sizeof(u32))
633 
634 static const u32 cayman_mgcg_enable[] =
635 {
636 	0x0000802c, 0xc0000000, 0xffffffff,
637 	0x000008f8, 0x00000000, 0xffffffff,
638 	0x000008fc, 0x00000000, 0xffffffff,
639 	0x000008f8, 0x00000001, 0xffffffff,
640 	0x000008fc, 0x00000000, 0xffffffff,
641 	0x000008f8, 0x00000002, 0xffffffff,
642 	0x000008fc, 0x00600000, 0xffffffff,
643 	0x000008f8, 0x00000003, 0xffffffff,
644 	0x000008fc, 0x00000000, 0xffffffff,
645 	0x00009150, 0x96944200, 0xffffffff
646 };
647 
648 #define CAYMAN_MGCG_ENABLE_LENGTH   sizeof(cayman_mgcg_enable) / (3 * sizeof(u32))
649 
650 #define NISLANDS_SYSLS_SEQUENCE  100
651 
652 static const u32 cayman_sysls_default[] =
653 {
654 	/* Register,   Value,     Mask bits */
655 	0x000055e8, 0x00000000, 0xffffffff,
656 	0x0000d0bc, 0x00000000, 0xffffffff,
657 	0x0000d8bc, 0x00000000, 0xffffffff,
658 	0x000015c0, 0x000c1401, 0xffffffff,
659 	0x0000264c, 0x000c0400, 0xffffffff,
660 	0x00002648, 0x000c0400, 0xffffffff,
661 	0x00002650, 0x000c0400, 0xffffffff,
662 	0x000020b8, 0x000c0400, 0xffffffff,
663 	0x000020bc, 0x000c0400, 0xffffffff,
664 	0x000020c0, 0x000c0c80, 0xffffffff,
665 	0x0000f4a0, 0x000000c0, 0xffffffff,
666 	0x0000f4a4, 0x00680fff, 0xffffffff,
667 	0x00002f50, 0x00000404, 0xffffffff,
668 	0x000004c8, 0x00000001, 0xffffffff,
669 	0x000064ec, 0x00000000, 0xffffffff,
670 	0x00000c7c, 0x00000000, 0xffffffff,
671 	0x00008dfc, 0x00000000, 0xffffffff
672 };
673 #define CAYMAN_SYSLS_DEFAULT_LENGTH sizeof(cayman_sysls_default) / (3 * sizeof(u32))
674 
675 static const u32 cayman_sysls_disable[] =
676 {
677 	/* Register,   Value,     Mask bits */
678 	0x0000d0c0, 0x00000000, 0xffffffff,
679 	0x0000d8c0, 0x00000000, 0xffffffff,
680 	0x000055e8, 0x00000000, 0xffffffff,
681 	0x0000d0bc, 0x00000000, 0xffffffff,
682 	0x0000d8bc, 0x00000000, 0xffffffff,
683 	0x000015c0, 0x00041401, 0xffffffff,
684 	0x0000264c, 0x00040400, 0xffffffff,
685 	0x00002648, 0x00040400, 0xffffffff,
686 	0x00002650, 0x00040400, 0xffffffff,
687 	0x000020b8, 0x00040400, 0xffffffff,
688 	0x000020bc, 0x00040400, 0xffffffff,
689 	0x000020c0, 0x00040c80, 0xffffffff,
690 	0x0000f4a0, 0x000000c0, 0xffffffff,
691 	0x0000f4a4, 0x00680000, 0xffffffff,
692 	0x00002f50, 0x00000404, 0xffffffff,
693 	0x000004c8, 0x00000001, 0xffffffff,
694 	0x000064ec, 0x00007ffd, 0xffffffff,
695 	0x00000c7c, 0x0000ff00, 0xffffffff,
696 	0x00008dfc, 0x0000007f, 0xffffffff
697 };
698 #define CAYMAN_SYSLS_DISABLE_LENGTH sizeof(cayman_sysls_disable) / (3 * sizeof(u32))
699 
700 static const u32 cayman_sysls_enable[] =
701 {
702 	/* Register,   Value,     Mask bits */
703 	0x000055e8, 0x00000001, 0xffffffff,
704 	0x0000d0bc, 0x00000100, 0xffffffff,
705 	0x0000d8bc, 0x00000100, 0xffffffff,
706 	0x000015c0, 0x000c1401, 0xffffffff,
707 	0x0000264c, 0x000c0400, 0xffffffff,
708 	0x00002648, 0x000c0400, 0xffffffff,
709 	0x00002650, 0x000c0400, 0xffffffff,
710 	0x000020b8, 0x000c0400, 0xffffffff,
711 	0x000020bc, 0x000c0400, 0xffffffff,
712 	0x000020c0, 0x000c0c80, 0xffffffff,
713 	0x0000f4a0, 0x000000c0, 0xffffffff,
714 	0x0000f4a4, 0x00680fff, 0xffffffff,
715 	0x00002f50, 0x00000903, 0xffffffff,
716 	0x000004c8, 0x00000000, 0xffffffff,
717 	0x000064ec, 0x00000000, 0xffffffff,
718 	0x00000c7c, 0x00000000, 0xffffffff,
719 	0x00008dfc, 0x00000000, 0xffffffff
720 };
721 #define CAYMAN_SYSLS_ENABLE_LENGTH sizeof(cayman_sysls_enable) / (3 * sizeof(u32))
722 
723 struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
724 struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev);
725 
726 extern int ni_mc_load_microcode(struct radeon_device *rdev);
727 
728 struct ni_power_info *ni_get_pi(struct radeon_device *rdev)
729 {
730 	struct ni_power_info *pi = rdev->pm.dpm.priv;
731 
732 	return pi;
733 }
734 
735 struct ni_ps *ni_get_ps(struct radeon_ps *rps)
736 {
737 	struct ni_ps *ps = rps->ps_priv;
738 
739 	return ps;
740 }
741 
742 static void ni_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coeffients *coeff,
743 						     u16 v, s32 t,
744 						     u32 ileakage,
745 						     u32 *leakage)
746 {
747 	s64 kt, kv, leakage_w, i_leakage, vddc, temperature;
748 
749 	i_leakage = div64_s64(drm_int2fixp(ileakage), 1000);
750 	vddc = div64_s64(drm_int2fixp(v), 1000);
751 	temperature = div64_s64(drm_int2fixp(t), 1000);
752 
753 	kt = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->at), 1000),
754 			  drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bt), 1000), temperature)));
755 	kv = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->av), 1000),
756 			  drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bv), 1000), vddc)));
757 
758 	leakage_w = drm_fixp_mul(drm_fixp_mul(drm_fixp_mul(i_leakage, kt), kv), vddc);
759 
760 	*leakage = drm_fixp2int(leakage_w * 1000);
761 }
762 
763 static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev,
764 					     const struct ni_leakage_coeffients *coeff,
765 					     u16 v,
766 					     s32 t,
767 					     u32 i_leakage,
768 					     u32 *leakage)
769 {
770 	ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage);
771 }
772 
773 bool ni_dpm_vblank_too_short(struct radeon_device *rdev)
774 {
775 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
776 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
777 	/* we never hit the non-gddr5 limit so disable it */
778 	u32 switch_limit = pi->mem_gddr5 ? 450 : 0;
779 
780 	if (vblank_time < switch_limit)
781 		return true;
782 	else
783 		return false;
784 
785 }
786 
787 static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
788 					struct radeon_ps *rps)
789 {
790 	struct ni_ps *ps = ni_get_ps(rps);
791 	struct radeon_clock_and_voltage_limits *max_limits;
792 	bool disable_mclk_switching;
793 	u32 mclk;
794 	u16 vddci;
795 	int i;
796 
797 	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
798 	    ni_dpm_vblank_too_short(rdev))
799 		disable_mclk_switching = true;
800 	else
801 		disable_mclk_switching = false;
802 
803 	if (rdev->pm.dpm.ac_power)
804 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
805 	else
806 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
807 
808 	if (rdev->pm.dpm.ac_power == false) {
809 		for (i = 0; i < ps->performance_level_count; i++) {
810 			if (ps->performance_levels[i].mclk > max_limits->mclk)
811 				ps->performance_levels[i].mclk = max_limits->mclk;
812 			if (ps->performance_levels[i].sclk > max_limits->sclk)
813 				ps->performance_levels[i].sclk = max_limits->sclk;
814 			if (ps->performance_levels[i].vddc > max_limits->vddc)
815 				ps->performance_levels[i].vddc = max_limits->vddc;
816 			if (ps->performance_levels[i].vddci > max_limits->vddci)
817 				ps->performance_levels[i].vddci = max_limits->vddci;
818 		}
819 	}
820 
821 	/* XXX validate the min clocks required for display */
822 
823 	/* adjust low state */
824 	if (disable_mclk_switching) {
825 		ps->performance_levels[0].mclk =
826 			ps->performance_levels[ps->performance_level_count - 1].mclk;
827 		ps->performance_levels[0].vddci =
828 			ps->performance_levels[ps->performance_level_count - 1].vddci;
829 	}
830 
831 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
832 				  &ps->performance_levels[0].sclk,
833 				  &ps->performance_levels[0].mclk);
834 
835 	for (i = 1; i < ps->performance_level_count; i++) {
836 		if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
837 			ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
838 		if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
839 			ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
840 	}
841 
842 	/* adjust remaining states */
843 	if (disable_mclk_switching) {
844 		mclk = ps->performance_levels[0].mclk;
845 		vddci = ps->performance_levels[0].vddci;
846 		for (i = 1; i < ps->performance_level_count; i++) {
847 			if (mclk < ps->performance_levels[i].mclk)
848 				mclk = ps->performance_levels[i].mclk;
849 			if (vddci < ps->performance_levels[i].vddci)
850 				vddci = ps->performance_levels[i].vddci;
851 		}
852 		for (i = 0; i < ps->performance_level_count; i++) {
853 			ps->performance_levels[i].mclk = mclk;
854 			ps->performance_levels[i].vddci = vddci;
855 		}
856 	} else {
857 		for (i = 1; i < ps->performance_level_count; i++) {
858 			if (ps->performance_levels[i].mclk < ps->performance_levels[i - 1].mclk)
859 				ps->performance_levels[i].mclk = ps->performance_levels[i - 1].mclk;
860 			if (ps->performance_levels[i].vddci < ps->performance_levels[i - 1].vddci)
861 				ps->performance_levels[i].vddci = ps->performance_levels[i - 1].vddci;
862 		}
863 	}
864 
865 	for (i = 1; i < ps->performance_level_count; i++)
866 		btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
867 					  &ps->performance_levels[i].sclk,
868 					  &ps->performance_levels[i].mclk);
869 
870 	for (i = 0; i < ps->performance_level_count; i++)
871 		btc_adjust_clock_combinations(rdev, max_limits,
872 					      &ps->performance_levels[i]);
873 
874 	for (i = 0; i < ps->performance_level_count; i++) {
875 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
876 						   ps->performance_levels[i].sclk,
877 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
878 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
879 						   ps->performance_levels[i].mclk,
880 						   max_limits->vddci, &ps->performance_levels[i].vddci);
881 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
882 						   ps->performance_levels[i].mclk,
883 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
884 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
885 						   rdev->clock.current_dispclk,
886 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
887 	}
888 
889 	for (i = 0; i < ps->performance_level_count; i++) {
890 		btc_apply_voltage_delta_rules(rdev,
891 					      max_limits->vddc, max_limits->vddci,
892 					      &ps->performance_levels[i].vddc,
893 					      &ps->performance_levels[i].vddci);
894 	}
895 
896 	ps->dc_compatible = true;
897 	for (i = 0; i < ps->performance_level_count; i++) {
898 		if (ps->performance_levels[i].vddc > rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc)
899 			ps->dc_compatible = false;
900 
901 		if (ps->performance_levels[i].vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
902 			ps->performance_levels[i].flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
903 	}
904 }
905 
906 static void ni_cg_clockgating_default(struct radeon_device *rdev)
907 {
908 	u32 count;
909 	const u32 *ps = NULL;
910 
911 	ps = (const u32 *)&cayman_cgcg_cgls_default;
912 	count = CAYMAN_CGCG_CGLS_DEFAULT_LENGTH;
913 
914 	btc_program_mgcg_hw_sequence(rdev, ps, count);
915 }
916 
917 static void ni_gfx_clockgating_enable(struct radeon_device *rdev,
918 				      bool enable)
919 {
920 	u32 count;
921 	const u32 *ps = NULL;
922 
923 	if (enable) {
924 		ps = (const u32 *)&cayman_cgcg_cgls_enable;
925 		count = CAYMAN_CGCG_CGLS_ENABLE_LENGTH;
926 	} else {
927 		ps = (const u32 *)&cayman_cgcg_cgls_disable;
928 		count = CAYMAN_CGCG_CGLS_DISABLE_LENGTH;
929 	}
930 
931 	btc_program_mgcg_hw_sequence(rdev, ps, count);
932 }
933 
934 static void ni_mg_clockgating_default(struct radeon_device *rdev)
935 {
936 	u32 count;
937 	const u32 *ps = NULL;
938 
939 	ps = (const u32 *)&cayman_mgcg_default;
940 	count = CAYMAN_MGCG_DEFAULT_LENGTH;
941 
942 	btc_program_mgcg_hw_sequence(rdev, ps, count);
943 }
944 
945 static void ni_mg_clockgating_enable(struct radeon_device *rdev,
946 				     bool enable)
947 {
948 	u32 count;
949 	const u32 *ps = NULL;
950 
951 	if (enable) {
952 		ps = (const u32 *)&cayman_mgcg_enable;
953 		count = CAYMAN_MGCG_ENABLE_LENGTH;
954 	} else {
955 		ps = (const u32 *)&cayman_mgcg_disable;
956 		count = CAYMAN_MGCG_DISABLE_LENGTH;
957 	}
958 
959 	btc_program_mgcg_hw_sequence(rdev, ps, count);
960 }
961 
962 static void ni_ls_clockgating_default(struct radeon_device *rdev)
963 {
964 	u32 count;
965 	const u32 *ps = NULL;
966 
967 	ps = (const u32 *)&cayman_sysls_default;
968 	count = CAYMAN_SYSLS_DEFAULT_LENGTH;
969 
970 	btc_program_mgcg_hw_sequence(rdev, ps, count);
971 }
972 
973 static void ni_ls_clockgating_enable(struct radeon_device *rdev,
974 				     bool enable)
975 {
976 	u32 count;
977 	const u32 *ps = NULL;
978 
979 	if (enable) {
980 		ps = (const u32 *)&cayman_sysls_enable;
981 		count = CAYMAN_SYSLS_ENABLE_LENGTH;
982 	} else {
983 		ps = (const u32 *)&cayman_sysls_disable;
984 		count = CAYMAN_SYSLS_DISABLE_LENGTH;
985 	}
986 
987 	btc_program_mgcg_hw_sequence(rdev, ps, count);
988 
989 }
990 
991 static int ni_patch_single_dependency_table_based_on_leakage(struct radeon_device *rdev,
992 							     struct radeon_clock_voltage_dependency_table *table)
993 {
994 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
995 	u32 i;
996 
997 	if (table) {
998 		for (i = 0; i < table->count; i++) {
999 			if (0xff01 == table->entries[i].v) {
1000 				if (pi->max_vddc == 0)
1001 					return -EINVAL;
1002 				table->entries[i].v = pi->max_vddc;
1003 			}
1004 		}
1005 	}
1006 	return 0;
1007 }
1008 
1009 static int ni_patch_dependency_tables_based_on_leakage(struct radeon_device *rdev)
1010 {
1011 	int ret = 0;
1012 
1013 	ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1014 								&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk);
1015 
1016 	ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1017 								&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk);
1018 	return ret;
1019 }
1020 
1021 static void ni_stop_dpm(struct radeon_device *rdev)
1022 {
1023 	WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
1024 }
1025 
1026 #if 0
1027 static int ni_notify_hw_of_power_source(struct radeon_device *rdev,
1028 					bool ac_power)
1029 {
1030 	if (ac_power)
1031 		return (rv770_send_msg_to_smc(rdev, PPSMC_MSG_RunningOnAC) == PPSMC_Result_OK) ?
1032 			0 : -EINVAL;
1033 
1034 	return 0;
1035 }
1036 #endif
1037 
1038 static PPSMC_Result ni_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
1039 						      PPSMC_Msg msg, u32 parameter)
1040 {
1041 	WREG32(SMC_SCRATCH0, parameter);
1042 	return rv770_send_msg_to_smc(rdev, msg);
1043 }
1044 
1045 static int ni_restrict_performance_levels_before_switch(struct radeon_device *rdev)
1046 {
1047 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
1048 		return -EINVAL;
1049 
1050 	return (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) == PPSMC_Result_OK) ?
1051 		0 : -EINVAL;
1052 }
1053 
1054 int ni_dpm_force_performance_level(struct radeon_device *rdev,
1055 				   enum radeon_dpm_forced_level level)
1056 {
1057 	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
1058 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1059 			return -EINVAL;
1060 
1061 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK)
1062 			return -EINVAL;
1063 	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
1064 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1065 			return -EINVAL;
1066 
1067 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK)
1068 			return -EINVAL;
1069 	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
1070 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1071 			return -EINVAL;
1072 
1073 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1074 			return -EINVAL;
1075 	}
1076 
1077 	rdev->pm.dpm.forced_level = level;
1078 
1079 	return 0;
1080 }
1081 
1082 static void ni_stop_smc(struct radeon_device *rdev)
1083 {
1084 	u32 tmp;
1085 	int i;
1086 
1087 	for (i = 0; i < rdev->usec_timeout; i++) {
1088 		tmp = RREG32(LB_SYNC_RESET_SEL) & LB_SYNC_RESET_SEL_MASK;
1089 		if (tmp != 1)
1090 			break;
1091 		udelay(1);
1092 	}
1093 
1094 	udelay(100);
1095 
1096 	r7xx_stop_smc(rdev);
1097 }
1098 
1099 static int ni_process_firmware_header(struct radeon_device *rdev)
1100 {
1101 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1102 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1103 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1104 	u32 tmp;
1105 	int ret;
1106 
1107 	ret = rv770_read_smc_sram_dword(rdev,
1108 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1109 					NISLANDS_SMC_FIRMWARE_HEADER_stateTable,
1110 					&tmp, pi->sram_end);
1111 
1112 	if (ret)
1113 		return ret;
1114 
1115 	pi->state_table_start = (u16)tmp;
1116 
1117 	ret = rv770_read_smc_sram_dword(rdev,
1118 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1119 					NISLANDS_SMC_FIRMWARE_HEADER_softRegisters,
1120 					&tmp, pi->sram_end);
1121 
1122 	if (ret)
1123 		return ret;
1124 
1125 	pi->soft_regs_start = (u16)tmp;
1126 
1127 	ret = rv770_read_smc_sram_dword(rdev,
1128 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1129 					NISLANDS_SMC_FIRMWARE_HEADER_mcRegisterTable,
1130 					&tmp, pi->sram_end);
1131 
1132 	if (ret)
1133 		return ret;
1134 
1135 	eg_pi->mc_reg_table_start = (u16)tmp;
1136 
1137 	ret = rv770_read_smc_sram_dword(rdev,
1138 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1139 					NISLANDS_SMC_FIRMWARE_HEADER_fanTable,
1140 					&tmp, pi->sram_end);
1141 
1142 	if (ret)
1143 		return ret;
1144 
1145 	ni_pi->fan_table_start = (u16)tmp;
1146 
1147 	ret = rv770_read_smc_sram_dword(rdev,
1148 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1149 					NISLANDS_SMC_FIRMWARE_HEADER_mcArbDramAutoRefreshTable,
1150 					&tmp, pi->sram_end);
1151 
1152 	if (ret)
1153 		return ret;
1154 
1155 	ni_pi->arb_table_start = (u16)tmp;
1156 
1157 	ret = rv770_read_smc_sram_dword(rdev,
1158 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1159 					NISLANDS_SMC_FIRMWARE_HEADER_cacTable,
1160 					&tmp, pi->sram_end);
1161 
1162 	if (ret)
1163 		return ret;
1164 
1165 	ni_pi->cac_table_start = (u16)tmp;
1166 
1167 	ret = rv770_read_smc_sram_dword(rdev,
1168 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1169 					NISLANDS_SMC_FIRMWARE_HEADER_spllTable,
1170 					&tmp, pi->sram_end);
1171 
1172 	if (ret)
1173 		return ret;
1174 
1175 	ni_pi->spll_table_start = (u16)tmp;
1176 
1177 
1178 	return ret;
1179 }
1180 
1181 static void ni_read_clock_registers(struct radeon_device *rdev)
1182 {
1183 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1184 
1185 	ni_pi->clock_registers.cg_spll_func_cntl = RREG32(CG_SPLL_FUNC_CNTL);
1186 	ni_pi->clock_registers.cg_spll_func_cntl_2 = RREG32(CG_SPLL_FUNC_CNTL_2);
1187 	ni_pi->clock_registers.cg_spll_func_cntl_3 = RREG32(CG_SPLL_FUNC_CNTL_3);
1188 	ni_pi->clock_registers.cg_spll_func_cntl_4 = RREG32(CG_SPLL_FUNC_CNTL_4);
1189 	ni_pi->clock_registers.cg_spll_spread_spectrum = RREG32(CG_SPLL_SPREAD_SPECTRUM);
1190 	ni_pi->clock_registers.cg_spll_spread_spectrum_2 = RREG32(CG_SPLL_SPREAD_SPECTRUM_2);
1191 	ni_pi->clock_registers.mpll_ad_func_cntl = RREG32(MPLL_AD_FUNC_CNTL);
1192 	ni_pi->clock_registers.mpll_ad_func_cntl_2 = RREG32(MPLL_AD_FUNC_CNTL_2);
1193 	ni_pi->clock_registers.mpll_dq_func_cntl = RREG32(MPLL_DQ_FUNC_CNTL);
1194 	ni_pi->clock_registers.mpll_dq_func_cntl_2 = RREG32(MPLL_DQ_FUNC_CNTL_2);
1195 	ni_pi->clock_registers.mclk_pwrmgt_cntl = RREG32(MCLK_PWRMGT_CNTL);
1196 	ni_pi->clock_registers.dll_cntl = RREG32(DLL_CNTL);
1197 	ni_pi->clock_registers.mpll_ss1 = RREG32(MPLL_SS1);
1198 	ni_pi->clock_registers.mpll_ss2 = RREG32(MPLL_SS2);
1199 }
1200 
1201 #if 0
1202 static int ni_enter_ulp_state(struct radeon_device *rdev)
1203 {
1204 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1205 
1206 	if (pi->gfx_clock_gating) {
1207 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
1208 		WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
1209 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
1210 		RREG32(GB_ADDR_CONFIG);
1211 	}
1212 
1213 	WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower),
1214 		 ~HOST_SMC_MSG_MASK);
1215 
1216 	udelay(25000);
1217 
1218 	return 0;
1219 }
1220 #endif
1221 
1222 static void ni_program_response_times(struct radeon_device *rdev)
1223 {
1224 	u32 voltage_response_time, backbias_response_time, acpi_delay_time, vbi_time_out;
1225 	u32 vddc_dly, bb_dly, acpi_dly, vbi_dly, mclk_switch_limit;
1226 	u32 reference_clock;
1227 
1228 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mvdd_chg_time, 1);
1229 
1230 	voltage_response_time = (u32)rdev->pm.dpm.voltage_response_time;
1231 	backbias_response_time = (u32)rdev->pm.dpm.backbias_response_time;
1232 
1233 	if (voltage_response_time == 0)
1234 		voltage_response_time = 1000;
1235 
1236 	if (backbias_response_time == 0)
1237 		backbias_response_time = 1000;
1238 
1239 	acpi_delay_time = 15000;
1240 	vbi_time_out = 100000;
1241 
1242 	reference_clock = radeon_get_xclk(rdev);
1243 
1244 	vddc_dly = (voltage_response_time  * reference_clock) / 1600;
1245 	bb_dly   = (backbias_response_time * reference_clock) / 1600;
1246 	acpi_dly = (acpi_delay_time * reference_clock) / 1600;
1247 	vbi_dly  = (vbi_time_out * reference_clock) / 1600;
1248 
1249 	mclk_switch_limit = (460 * reference_clock) / 100;
1250 
1251 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_vreg,  vddc_dly);
1252 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_bbias, bb_dly);
1253 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_acpi,  acpi_dly);
1254 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_chg_timeout, vbi_dly);
1255 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mc_block_delay, 0xAA);
1256 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_switch_lim, mclk_switch_limit);
1257 }
1258 
1259 static void ni_populate_smc_voltage_table(struct radeon_device *rdev,
1260 					  struct atom_voltage_table *voltage_table,
1261 					  NISLANDS_SMC_STATETABLE *table)
1262 {
1263 	unsigned int i;
1264 
1265 	for (i = 0; i < voltage_table->count; i++) {
1266 		table->highSMIO[i] = 0;
1267 		table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low);
1268 	}
1269 }
1270 
1271 static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
1272 					   NISLANDS_SMC_STATETABLE *table)
1273 {
1274 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1275 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1276 	unsigned char i;
1277 
1278 	if (eg_pi->vddc_voltage_table.count) {
1279 		ni_populate_smc_voltage_table(rdev, &eg_pi->vddc_voltage_table, table);
1280 		table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] = 0;
1281 		table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] =
1282 			cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
1283 
1284 		for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) {
1285 			if (pi->max_vddc_in_table <= eg_pi->vddc_voltage_table.entries[i].value) {
1286 				table->maxVDDCIndexInPPTable = i;
1287 				break;
1288 			}
1289 		}
1290 	}
1291 
1292 	if (eg_pi->vddci_voltage_table.count) {
1293 		ni_populate_smc_voltage_table(rdev, &eg_pi->vddci_voltage_table, table);
1294 
1295 		table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
1296 		table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
1297 			cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
1298 	}
1299 }
1300 
1301 static int ni_populate_voltage_value(struct radeon_device *rdev,
1302 				     struct atom_voltage_table *table,
1303 				     u16 value,
1304 				     NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1305 {
1306 	unsigned int i;
1307 
1308 	for (i = 0; i < table->count; i++) {
1309 		if (value <= table->entries[i].value) {
1310 			voltage->index = (u8)i;
1311 			voltage->value = cpu_to_be16(table->entries[i].value);
1312 			break;
1313 		}
1314 	}
1315 
1316 	if (i >= table->count)
1317 		return -EINVAL;
1318 
1319 	return 0;
1320 }
1321 
1322 static void ni_populate_mvdd_value(struct radeon_device *rdev,
1323 				   u32 mclk,
1324 				   NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1325 {
1326 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1327 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1328 
1329 	if (!pi->mvdd_control) {
1330 		voltage->index = eg_pi->mvdd_high_index;
1331 		voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1332 		return;
1333 	}
1334 
1335 	if (mclk <= pi->mvdd_split_frequency) {
1336 		voltage->index = eg_pi->mvdd_low_index;
1337 		voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
1338 	} else {
1339 		voltage->index = eg_pi->mvdd_high_index;
1340 		voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1341 	}
1342 }
1343 
1344 static int ni_get_std_voltage_value(struct radeon_device *rdev,
1345 				    NISLANDS_SMC_VOLTAGE_VALUE *voltage,
1346 				    u16 *std_voltage)
1347 {
1348 	if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries &&
1349 	    ((u32)voltage->index < rdev->pm.dpm.dyn_state.cac_leakage_table.count))
1350 		*std_voltage = rdev->pm.dpm.dyn_state.cac_leakage_table.entries[voltage->index].vddc;
1351 	else
1352 		*std_voltage = be16_to_cpu(voltage->value);
1353 
1354 	return 0;
1355 }
1356 
1357 static void ni_populate_std_voltage_value(struct radeon_device *rdev,
1358 					  u16 value, u8 index,
1359 					  NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1360 {
1361 	voltage->index = index;
1362 	voltage->value = cpu_to_be16(value);
1363 }
1364 
1365 static u32 ni_get_smc_power_scaling_factor(struct radeon_device *rdev)
1366 {
1367 	u32 xclk_period;
1368 	u32 xclk = radeon_get_xclk(rdev);
1369 	u32 tmp = RREG32(CG_CAC_CTRL) & TID_CNT_MASK;
1370 
1371 	xclk_period = (1000000000UL / xclk);
1372 	xclk_period /= 10000UL;
1373 
1374 	return tmp * xclk_period;
1375 }
1376 
1377 static u32 ni_scale_power_for_smc(u32 power_in_watts, u32 scaling_factor)
1378 {
1379 	return (power_in_watts * scaling_factor) << 2;
1380 }
1381 
1382 static u32 ni_calculate_power_boost_limit(struct radeon_device *rdev,
1383 					  struct radeon_ps *radeon_state,
1384 					  u32 near_tdp_limit)
1385 {
1386 	struct ni_ps *state = ni_get_ps(radeon_state);
1387 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1388 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1389 	u32 power_boost_limit = 0;
1390 	int ret;
1391 
1392 	if (ni_pi->enable_power_containment &&
1393 	    ni_pi->use_power_boost_limit) {
1394 		NISLANDS_SMC_VOLTAGE_VALUE vddc;
1395 		u16 std_vddc_med;
1396 		u16 std_vddc_high;
1397 		u64 tmp, n, d;
1398 
1399 		if (state->performance_level_count < 3)
1400 			return 0;
1401 
1402 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1403 						state->performance_levels[state->performance_level_count - 2].vddc,
1404 						&vddc);
1405 		if (ret)
1406 			return 0;
1407 
1408 		ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_med);
1409 		if (ret)
1410 			return 0;
1411 
1412 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1413 						state->performance_levels[state->performance_level_count - 1].vddc,
1414 						&vddc);
1415 		if (ret)
1416 			return 0;
1417 
1418 		ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_high);
1419 		if (ret)
1420 			return 0;
1421 
1422 		n = ((u64)near_tdp_limit * ((u64)std_vddc_med * (u64)std_vddc_med) * 90);
1423 		d = ((u64)std_vddc_high * (u64)std_vddc_high * 100);
1424 		tmp = div64_u64(n, d);
1425 
1426 		if (tmp >> 32)
1427 			return 0;
1428 		power_boost_limit = (u32)tmp;
1429 	}
1430 
1431 	return power_boost_limit;
1432 }
1433 
1434 static int ni_calculate_adjusted_tdp_limits(struct radeon_device *rdev,
1435 					    bool adjust_polarity,
1436 					    u32 tdp_adjustment,
1437 					    u32 *tdp_limit,
1438 					    u32 *near_tdp_limit)
1439 {
1440 	if (tdp_adjustment > (u32)rdev->pm.dpm.tdp_od_limit)
1441 		return -EINVAL;
1442 
1443 	if (adjust_polarity) {
1444 		*tdp_limit = ((100 + tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1445 		*near_tdp_limit = rdev->pm.dpm.near_tdp_limit + (*tdp_limit - rdev->pm.dpm.tdp_limit);
1446 	} else {
1447 		*tdp_limit = ((100 - tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1448 		*near_tdp_limit = rdev->pm.dpm.near_tdp_limit - (rdev->pm.dpm.tdp_limit - *tdp_limit);
1449 	}
1450 
1451 	return 0;
1452 }
1453 
1454 static int ni_populate_smc_tdp_limits(struct radeon_device *rdev,
1455 				      struct radeon_ps *radeon_state)
1456 {
1457 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1458 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1459 
1460 	if (ni_pi->enable_power_containment) {
1461 		NISLANDS_SMC_STATETABLE *smc_table = &ni_pi->smc_statetable;
1462 		u32 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
1463 		u32 tdp_limit;
1464 		u32 near_tdp_limit;
1465 		u32 power_boost_limit;
1466 		int ret;
1467 
1468 		if (scaling_factor == 0)
1469 			return -EINVAL;
1470 
1471 		memset(smc_table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1472 
1473 		ret = ni_calculate_adjusted_tdp_limits(rdev,
1474 						       false, /* ??? */
1475 						       rdev->pm.dpm.tdp_adjustment,
1476 						       &tdp_limit,
1477 						       &near_tdp_limit);
1478 		if (ret)
1479 			return ret;
1480 
1481 		power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state,
1482 								   near_tdp_limit);
1483 
1484 		smc_table->dpm2Params.TDPLimit =
1485 			cpu_to_be32(ni_scale_power_for_smc(tdp_limit, scaling_factor));
1486 		smc_table->dpm2Params.NearTDPLimit =
1487 			cpu_to_be32(ni_scale_power_for_smc(near_tdp_limit, scaling_factor));
1488 		smc_table->dpm2Params.SafePowerLimit =
1489 			cpu_to_be32(ni_scale_power_for_smc((near_tdp_limit * NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT) / 100,
1490 							   scaling_factor));
1491 		smc_table->dpm2Params.PowerBoostLimit =
1492 			cpu_to_be32(ni_scale_power_for_smc(power_boost_limit, scaling_factor));
1493 
1494 		ret = rv770_copy_bytes_to_smc(rdev,
1495 					      (u16)(pi->state_table_start + offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
1496 						    offsetof(PP_NIslands_DPM2Parameters, TDPLimit)),
1497 					      (u8 *)(&smc_table->dpm2Params.TDPLimit),
1498 					      sizeof(u32) * 4, pi->sram_end);
1499 		if (ret)
1500 			return ret;
1501 	}
1502 
1503 	return 0;
1504 }
1505 
1506 int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
1507 				u32 arb_freq_src, u32 arb_freq_dest)
1508 {
1509 	u32 mc_arb_dram_timing;
1510 	u32 mc_arb_dram_timing2;
1511 	u32 burst_time;
1512 	u32 mc_cg_config;
1513 
1514 	switch (arb_freq_src) {
1515 	case MC_CG_ARB_FREQ_F0:
1516 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING);
1517 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1518 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE0_MASK) >> STATE0_SHIFT;
1519 		break;
1520 	case MC_CG_ARB_FREQ_F1:
1521 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_1);
1522 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_1);
1523 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE1_MASK) >> STATE1_SHIFT;
1524 		break;
1525 	case MC_CG_ARB_FREQ_F2:
1526 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_2);
1527 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_2);
1528 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE2_MASK) >> STATE2_SHIFT;
1529 		break;
1530 	case MC_CG_ARB_FREQ_F3:
1531 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_3);
1532 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_3);
1533 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE3_MASK) >> STATE3_SHIFT;
1534 		break;
1535 	default:
1536 		return -EINVAL;
1537 	}
1538 
1539 	switch (arb_freq_dest) {
1540 	case MC_CG_ARB_FREQ_F0:
1541 		WREG32(MC_ARB_DRAM_TIMING, mc_arb_dram_timing);
1542 		WREG32(MC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
1543 		WREG32_P(MC_ARB_BURST_TIME, STATE0(burst_time), ~STATE0_MASK);
1544 		break;
1545 	case MC_CG_ARB_FREQ_F1:
1546 		WREG32(MC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
1547 		WREG32(MC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
1548 		WREG32_P(MC_ARB_BURST_TIME, STATE1(burst_time), ~STATE1_MASK);
1549 		break;
1550 	case MC_CG_ARB_FREQ_F2:
1551 		WREG32(MC_ARB_DRAM_TIMING_2, mc_arb_dram_timing);
1552 		WREG32(MC_ARB_DRAM_TIMING2_2, mc_arb_dram_timing2);
1553 		WREG32_P(MC_ARB_BURST_TIME, STATE2(burst_time), ~STATE2_MASK);
1554 		break;
1555 	case MC_CG_ARB_FREQ_F3:
1556 		WREG32(MC_ARB_DRAM_TIMING_3, mc_arb_dram_timing);
1557 		WREG32(MC_ARB_DRAM_TIMING2_3, mc_arb_dram_timing2);
1558 		WREG32_P(MC_ARB_BURST_TIME, STATE3(burst_time), ~STATE3_MASK);
1559 		break;
1560 	default:
1561 		return -EINVAL;
1562 	}
1563 
1564 	mc_cg_config = RREG32(MC_CG_CONFIG) | 0x0000000F;
1565 	WREG32(MC_CG_CONFIG, mc_cg_config);
1566 	WREG32_P(MC_ARB_CG, CG_ARB_REQ(arb_freq_dest), ~CG_ARB_REQ_MASK);
1567 
1568 	return 0;
1569 }
1570 
1571 static int ni_init_arb_table_index(struct radeon_device *rdev)
1572 {
1573 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1574 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1575 	u32 tmp;
1576 	int ret;
1577 
1578 	ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1579 					&tmp, pi->sram_end);
1580 	if (ret)
1581 		return ret;
1582 
1583 	tmp &= 0x00FFFFFF;
1584 	tmp |= ((u32)MC_CG_ARB_FREQ_F1) << 24;
1585 
1586 	return rv770_write_smc_sram_dword(rdev, ni_pi->arb_table_start,
1587 					  tmp, pi->sram_end);
1588 }
1589 
1590 static int ni_initial_switch_from_arb_f0_to_f1(struct radeon_device *rdev)
1591 {
1592 	return ni_copy_and_switch_arb_sets(rdev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
1593 }
1594 
1595 static int ni_force_switch_to_arb_f0(struct radeon_device *rdev)
1596 {
1597 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1598 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1599 	u32 tmp;
1600 	int ret;
1601 
1602 	ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1603 					&tmp, pi->sram_end);
1604 	if (ret)
1605 		return ret;
1606 
1607 	tmp = (tmp >> 24) & 0xff;
1608 
1609 	if (tmp == MC_CG_ARB_FREQ_F0)
1610 		return 0;
1611 
1612 	return ni_copy_and_switch_arb_sets(rdev, tmp, MC_CG_ARB_FREQ_F0);
1613 }
1614 
1615 static int ni_populate_memory_timing_parameters(struct radeon_device *rdev,
1616 						struct rv7xx_pl *pl,
1617 						SMC_NIslands_MCArbDramTimingRegisterSet *arb_regs)
1618 {
1619 	u32 dram_timing;
1620 	u32 dram_timing2;
1621 
1622 	arb_regs->mc_arb_rfsh_rate =
1623 		(u8)rv770_calculate_memory_refresh_rate(rdev, pl->sclk);
1624 
1625 
1626 	radeon_atom_set_engine_dram_timings(rdev, pl->sclk, pl->mclk);
1627 
1628 	dram_timing = RREG32(MC_ARB_DRAM_TIMING);
1629 	dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1630 
1631 	arb_regs->mc_arb_dram_timing  = cpu_to_be32(dram_timing);
1632 	arb_regs->mc_arb_dram_timing2 = cpu_to_be32(dram_timing2);
1633 
1634 	return 0;
1635 }
1636 
1637 static int ni_do_program_memory_timing_parameters(struct radeon_device *rdev,
1638 						  struct radeon_ps *radeon_state,
1639 						  unsigned int first_arb_set)
1640 {
1641 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1642 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1643 	struct ni_ps *state = ni_get_ps(radeon_state);
1644 	SMC_NIslands_MCArbDramTimingRegisterSet arb_regs = { 0 };
1645 	int i, ret = 0;
1646 
1647 	for (i = 0; i < state->performance_level_count; i++) {
1648 		ret = ni_populate_memory_timing_parameters(rdev, &state->performance_levels[i], &arb_regs);
1649 		if (ret)
1650 			break;
1651 
1652 		ret = rv770_copy_bytes_to_smc(rdev,
1653 					      (u16)(ni_pi->arb_table_start +
1654 						    offsetof(SMC_NIslands_MCArbDramTimingRegisters, data) +
1655 						    sizeof(SMC_NIslands_MCArbDramTimingRegisterSet) * (first_arb_set + i)),
1656 					      (u8 *)&arb_regs,
1657 					      (u16)sizeof(SMC_NIslands_MCArbDramTimingRegisterSet),
1658 					      pi->sram_end);
1659 		if (ret)
1660 			break;
1661 	}
1662 	return ret;
1663 }
1664 
1665 static int ni_program_memory_timing_parameters(struct radeon_device *rdev,
1666 					       struct radeon_ps *radeon_new_state)
1667 {
1668 	return ni_do_program_memory_timing_parameters(rdev, radeon_new_state,
1669 						      NISLANDS_DRIVER_STATE_ARB_INDEX);
1670 }
1671 
1672 static void ni_populate_initial_mvdd_value(struct radeon_device *rdev,
1673 					   struct NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1674 {
1675 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1676 
1677 	voltage->index = eg_pi->mvdd_high_index;
1678 	voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1679 }
1680 
1681 static int ni_populate_smc_initial_state(struct radeon_device *rdev,
1682 					 struct radeon_ps *radeon_initial_state,
1683 					 NISLANDS_SMC_STATETABLE *table)
1684 {
1685 	struct ni_ps *initial_state = ni_get_ps(radeon_initial_state);
1686 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1687 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1688 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1689 	u32 reg;
1690 	int ret;
1691 
1692 	table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL =
1693 		cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
1694 	table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 =
1695 		cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl_2);
1696 	table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL =
1697 		cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl);
1698 	table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 =
1699 		cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl_2);
1700 	table->initialState.levels[0].mclk.vMCLK_PWRMGT_CNTL =
1701 		cpu_to_be32(ni_pi->clock_registers.mclk_pwrmgt_cntl);
1702 	table->initialState.levels[0].mclk.vDLL_CNTL =
1703 		cpu_to_be32(ni_pi->clock_registers.dll_cntl);
1704 	table->initialState.levels[0].mclk.vMPLL_SS =
1705 		cpu_to_be32(ni_pi->clock_registers.mpll_ss1);
1706 	table->initialState.levels[0].mclk.vMPLL_SS2 =
1707 		cpu_to_be32(ni_pi->clock_registers.mpll_ss2);
1708 	table->initialState.levels[0].mclk.mclk_value =
1709 		cpu_to_be32(initial_state->performance_levels[0].mclk);
1710 
1711 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL =
1712 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl);
1713 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 =
1714 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_2);
1715 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 =
1716 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_3);
1717 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 =
1718 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_4);
1719 	table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM =
1720 		cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum);
1721 	table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
1722 		cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum_2);
1723 	table->initialState.levels[0].sclk.sclk_value =
1724 		cpu_to_be32(initial_state->performance_levels[0].sclk);
1725 	table->initialState.levels[0].arbRefreshState =
1726 		NISLANDS_INITIAL_STATE_ARB_INDEX;
1727 
1728 	table->initialState.levels[0].ACIndex = 0;
1729 
1730 	ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1731 					initial_state->performance_levels[0].vddc,
1732 					&table->initialState.levels[0].vddc);
1733 	if (!ret) {
1734 		u16 std_vddc;
1735 
1736 		ret = ni_get_std_voltage_value(rdev,
1737 					       &table->initialState.levels[0].vddc,
1738 					       &std_vddc);
1739 		if (!ret)
1740 			ni_populate_std_voltage_value(rdev, std_vddc,
1741 						      table->initialState.levels[0].vddc.index,
1742 						      &table->initialState.levels[0].std_vddc);
1743 	}
1744 
1745 	if (eg_pi->vddci_control)
1746 		ni_populate_voltage_value(rdev,
1747 					  &eg_pi->vddci_voltage_table,
1748 					  initial_state->performance_levels[0].vddci,
1749 					  &table->initialState.levels[0].vddci);
1750 
1751 	ni_populate_initial_mvdd_value(rdev, &table->initialState.levels[0].mvdd);
1752 
1753 	reg = CG_R(0xffff) | CG_L(0);
1754 	table->initialState.levels[0].aT = cpu_to_be32(reg);
1755 
1756 	table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp);
1757 
1758 	if (pi->boot_in_gen2)
1759 		table->initialState.levels[0].gen2PCIE = 1;
1760 	else
1761 		table->initialState.levels[0].gen2PCIE = 0;
1762 
1763 	if (pi->mem_gddr5) {
1764 		table->initialState.levels[0].strobeMode =
1765 			cypress_get_strobe_mode_settings(rdev,
1766 							 initial_state->performance_levels[0].mclk);
1767 
1768 		if (initial_state->performance_levels[0].mclk > pi->mclk_edc_enable_threshold)
1769 			table->initialState.levels[0].mcFlags = NISLANDS_SMC_MC_EDC_RD_FLAG | NISLANDS_SMC_MC_EDC_WR_FLAG;
1770 		else
1771 			table->initialState.levels[0].mcFlags =  0;
1772 	}
1773 
1774 	table->initialState.levelCount = 1;
1775 
1776 	table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC;
1777 
1778 	table->initialState.levels[0].dpm2.MaxPS = 0;
1779 	table->initialState.levels[0].dpm2.NearTDPDec = 0;
1780 	table->initialState.levels[0].dpm2.AboveSafeInc = 0;
1781 	table->initialState.levels[0].dpm2.BelowSafeInc = 0;
1782 
1783 	reg = MIN_POWER_MASK | MAX_POWER_MASK;
1784 	table->initialState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1785 
1786 	reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1787 	table->initialState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1788 
1789 	return 0;
1790 }
1791 
1792 static int ni_populate_smc_acpi_state(struct radeon_device *rdev,
1793 				      NISLANDS_SMC_STATETABLE *table)
1794 {
1795 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1796 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1797 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1798 	u32 mpll_ad_func_cntl   = ni_pi->clock_registers.mpll_ad_func_cntl;
1799 	u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
1800 	u32 mpll_dq_func_cntl   = ni_pi->clock_registers.mpll_dq_func_cntl;
1801 	u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
1802 	u32 spll_func_cntl      = ni_pi->clock_registers.cg_spll_func_cntl;
1803 	u32 spll_func_cntl_2    = ni_pi->clock_registers.cg_spll_func_cntl_2;
1804 	u32 spll_func_cntl_3    = ni_pi->clock_registers.cg_spll_func_cntl_3;
1805 	u32 spll_func_cntl_4    = ni_pi->clock_registers.cg_spll_func_cntl_4;
1806 	u32 mclk_pwrmgt_cntl    = ni_pi->clock_registers.mclk_pwrmgt_cntl;
1807 	u32 dll_cntl            = ni_pi->clock_registers.dll_cntl;
1808 	u32 reg;
1809 	int ret;
1810 
1811 	table->ACPIState = table->initialState;
1812 
1813 	table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC;
1814 
1815 	if (pi->acpi_vddc) {
1816 		ret = ni_populate_voltage_value(rdev,
1817 						&eg_pi->vddc_voltage_table,
1818 						pi->acpi_vddc, &table->ACPIState.levels[0].vddc);
1819 		if (!ret) {
1820 			u16 std_vddc;
1821 
1822 			ret = ni_get_std_voltage_value(rdev,
1823 						       &table->ACPIState.levels[0].vddc, &std_vddc);
1824 			if (!ret)
1825 				ni_populate_std_voltage_value(rdev, std_vddc,
1826 							      table->ACPIState.levels[0].vddc.index,
1827 							      &table->ACPIState.levels[0].std_vddc);
1828 		}
1829 
1830 		if (pi->pcie_gen2) {
1831 			if (pi->acpi_pcie_gen2)
1832 				table->ACPIState.levels[0].gen2PCIE = 1;
1833 			else
1834 				table->ACPIState.levels[0].gen2PCIE = 0;
1835 		} else {
1836 			table->ACPIState.levels[0].gen2PCIE = 0;
1837 		}
1838 	} else {
1839 		ret = ni_populate_voltage_value(rdev,
1840 						&eg_pi->vddc_voltage_table,
1841 						pi->min_vddc_in_table,
1842 						&table->ACPIState.levels[0].vddc);
1843 		if (!ret) {
1844 			u16 std_vddc;
1845 
1846 			ret = ni_get_std_voltage_value(rdev,
1847 						       &table->ACPIState.levels[0].vddc,
1848 						       &std_vddc);
1849 			if (!ret)
1850 				ni_populate_std_voltage_value(rdev, std_vddc,
1851 							      table->ACPIState.levels[0].vddc.index,
1852 							      &table->ACPIState.levels[0].std_vddc);
1853 		}
1854 		table->ACPIState.levels[0].gen2PCIE = 0;
1855 	}
1856 
1857 	if (eg_pi->acpi_vddci) {
1858 		if (eg_pi->vddci_control)
1859 			ni_populate_voltage_value(rdev,
1860 						  &eg_pi->vddci_voltage_table,
1861 						  eg_pi->acpi_vddci,
1862 						  &table->ACPIState.levels[0].vddci);
1863 	}
1864 
1865 
1866 	mpll_ad_func_cntl &= ~PDNB;
1867 
1868 	mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
1869 
1870 	if (pi->mem_gddr5)
1871 		mpll_dq_func_cntl &= ~PDNB;
1872 	mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS;
1873 
1874 
1875 	mclk_pwrmgt_cntl |= (MRDCKA0_RESET |
1876 			     MRDCKA1_RESET |
1877 			     MRDCKB0_RESET |
1878 			     MRDCKB1_RESET |
1879 			     MRDCKC0_RESET |
1880 			     MRDCKC1_RESET |
1881 			     MRDCKD0_RESET |
1882 			     MRDCKD1_RESET);
1883 
1884 	mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
1885 			      MRDCKA1_PDNB |
1886 			      MRDCKB0_PDNB |
1887 			      MRDCKB1_PDNB |
1888 			      MRDCKC0_PDNB |
1889 			      MRDCKC1_PDNB |
1890 			      MRDCKD0_PDNB |
1891 			      MRDCKD1_PDNB);
1892 
1893 	dll_cntl |= (MRDCKA0_BYPASS |
1894 		     MRDCKA1_BYPASS |
1895 		     MRDCKB0_BYPASS |
1896 		     MRDCKB1_BYPASS |
1897 		     MRDCKC0_BYPASS |
1898 		     MRDCKC1_BYPASS |
1899 		     MRDCKD0_BYPASS |
1900 		     MRDCKD1_BYPASS);
1901 
1902 	spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
1903 	spll_func_cntl_2 |= SCLK_MUX_SEL(4);
1904 
1905 	table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
1906 	table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
1907 	table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
1908 	table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
1909 	table->ACPIState.levels[0].mclk.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
1910 	table->ACPIState.levels[0].mclk.vDLL_CNTL = cpu_to_be32(dll_cntl);
1911 
1912 	table->ACPIState.levels[0].mclk.mclk_value = 0;
1913 
1914 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
1915 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
1916 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
1917 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(spll_func_cntl_4);
1918 
1919 	table->ACPIState.levels[0].sclk.sclk_value = 0;
1920 
1921 	ni_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd);
1922 
1923 	if (eg_pi->dynamic_ac_timing)
1924 		table->ACPIState.levels[0].ACIndex = 1;
1925 
1926 	table->ACPIState.levels[0].dpm2.MaxPS = 0;
1927 	table->ACPIState.levels[0].dpm2.NearTDPDec = 0;
1928 	table->ACPIState.levels[0].dpm2.AboveSafeInc = 0;
1929 	table->ACPIState.levels[0].dpm2.BelowSafeInc = 0;
1930 
1931 	reg = MIN_POWER_MASK | MAX_POWER_MASK;
1932 	table->ACPIState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1933 
1934 	reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1935 	table->ACPIState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1936 
1937 	return 0;
1938 }
1939 
1940 static int ni_init_smc_table(struct radeon_device *rdev)
1941 {
1942 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1943 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1944 	int ret;
1945 	struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
1946 	NISLANDS_SMC_STATETABLE *table = &ni_pi->smc_statetable;
1947 
1948 	memset(table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1949 
1950 	ni_populate_smc_voltage_tables(rdev, table);
1951 
1952 	switch (rdev->pm.int_thermal_type) {
1953 	case THERMAL_TYPE_NI:
1954 	case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
1955 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
1956 		break;
1957 	case THERMAL_TYPE_NONE:
1958 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
1959 		break;
1960 	default:
1961 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
1962 		break;
1963 	}
1964 
1965 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
1966 		table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
1967 
1968 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1969 		table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT;
1970 
1971 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1972 		table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
1973 
1974 	if (pi->mem_gddr5)
1975 		table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
1976 
1977 	ret = ni_populate_smc_initial_state(rdev, radeon_boot_state, table);
1978 	if (ret)
1979 		return ret;
1980 
1981 	ret = ni_populate_smc_acpi_state(rdev, table);
1982 	if (ret)
1983 		return ret;
1984 
1985 	table->driverState = table->initialState;
1986 
1987 	table->ULVState = table->initialState;
1988 
1989 	ret = ni_do_program_memory_timing_parameters(rdev, radeon_boot_state,
1990 						     NISLANDS_INITIAL_STATE_ARB_INDEX);
1991 	if (ret)
1992 		return ret;
1993 
1994 	return rv770_copy_bytes_to_smc(rdev, pi->state_table_start, (u8 *)table,
1995 				       sizeof(NISLANDS_SMC_STATETABLE), pi->sram_end);
1996 }
1997 
1998 static int ni_calculate_sclk_params(struct radeon_device *rdev,
1999 				    u32 engine_clock,
2000 				    NISLANDS_SMC_SCLK_VALUE *sclk)
2001 {
2002 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2003 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2004 	struct atom_clock_dividers dividers;
2005 	u32 spll_func_cntl = ni_pi->clock_registers.cg_spll_func_cntl;
2006 	u32 spll_func_cntl_2 = ni_pi->clock_registers.cg_spll_func_cntl_2;
2007 	u32 spll_func_cntl_3 = ni_pi->clock_registers.cg_spll_func_cntl_3;
2008 	u32 spll_func_cntl_4 = ni_pi->clock_registers.cg_spll_func_cntl_4;
2009 	u32 cg_spll_spread_spectrum = ni_pi->clock_registers.cg_spll_spread_spectrum;
2010 	u32 cg_spll_spread_spectrum_2 = ni_pi->clock_registers.cg_spll_spread_spectrum_2;
2011 	u64 tmp;
2012 	u32 reference_clock = rdev->clock.spll.reference_freq;
2013 	u32 reference_divider;
2014 	u32 fbdiv;
2015 	int ret;
2016 
2017 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2018 					     engine_clock, false, &dividers);
2019 	if (ret)
2020 		return ret;
2021 
2022 	reference_divider = 1 + dividers.ref_div;
2023 
2024 
2025 	tmp = (u64) engine_clock * reference_divider * dividers.post_div * 16834;
2026 	do_div(tmp, reference_clock);
2027 	fbdiv = (u32) tmp;
2028 
2029 	spll_func_cntl &= ~(SPLL_PDIV_A_MASK | SPLL_REF_DIV_MASK);
2030 	spll_func_cntl |= SPLL_REF_DIV(dividers.ref_div);
2031 	spll_func_cntl |= SPLL_PDIV_A(dividers.post_div);
2032 
2033 	spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
2034 	spll_func_cntl_2 |= SCLK_MUX_SEL(2);
2035 
2036 	spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
2037 	spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
2038 	spll_func_cntl_3 |= SPLL_DITHEN;
2039 
2040 	if (pi->sclk_ss) {
2041 		struct radeon_atom_ss ss;
2042 		u32 vco_freq = engine_clock * dividers.post_div;
2043 
2044 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2045 						     ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
2046 			u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
2047 			u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000);
2048 
2049 			cg_spll_spread_spectrum &= ~CLK_S_MASK;
2050 			cg_spll_spread_spectrum |= CLK_S(clk_s);
2051 			cg_spll_spread_spectrum |= SSEN;
2052 
2053 			cg_spll_spread_spectrum_2 &= ~CLK_V_MASK;
2054 			cg_spll_spread_spectrum_2 |= CLK_V(clk_v);
2055 		}
2056 	}
2057 
2058 	sclk->sclk_value = engine_clock;
2059 	sclk->vCG_SPLL_FUNC_CNTL = spll_func_cntl;
2060 	sclk->vCG_SPLL_FUNC_CNTL_2 = spll_func_cntl_2;
2061 	sclk->vCG_SPLL_FUNC_CNTL_3 = spll_func_cntl_3;
2062 	sclk->vCG_SPLL_FUNC_CNTL_4 = spll_func_cntl_4;
2063 	sclk->vCG_SPLL_SPREAD_SPECTRUM = cg_spll_spread_spectrum;
2064 	sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cg_spll_spread_spectrum_2;
2065 
2066 	return 0;
2067 }
2068 
2069 static int ni_populate_sclk_value(struct radeon_device *rdev,
2070 				  u32 engine_clock,
2071 				  NISLANDS_SMC_SCLK_VALUE *sclk)
2072 {
2073 	NISLANDS_SMC_SCLK_VALUE sclk_tmp;
2074 	int ret;
2075 
2076 	ret = ni_calculate_sclk_params(rdev, engine_clock, &sclk_tmp);
2077 	if (!ret) {
2078 		sclk->sclk_value = cpu_to_be32(sclk_tmp.sclk_value);
2079 		sclk->vCG_SPLL_FUNC_CNTL = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL);
2080 		sclk->vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_2);
2081 		sclk->vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_3);
2082 		sclk->vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_4);
2083 		sclk->vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM);
2084 		sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM_2);
2085 	}
2086 
2087 	return ret;
2088 }
2089 
2090 static int ni_init_smc_spll_table(struct radeon_device *rdev)
2091 {
2092 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2093 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2094 	SMC_NISLANDS_SPLL_DIV_TABLE *spll_table;
2095 	NISLANDS_SMC_SCLK_VALUE sclk_params;
2096 	u32 fb_div;
2097 	u32 p_div;
2098 	u32 clk_s;
2099 	u32 clk_v;
2100 	u32 sclk = 0;
2101 	int i, ret;
2102 	u32 tmp;
2103 
2104 	if (ni_pi->spll_table_start == 0)
2105 		return -EINVAL;
2106 
2107 	spll_table = kzalloc(sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), GFP_KERNEL);
2108 	if (spll_table == NULL)
2109 		return -ENOMEM;
2110 
2111 	for (i = 0; i < 256; i++) {
2112 		ret = ni_calculate_sclk_params(rdev, sclk, &sclk_params);
2113 		if (ret)
2114 			break;
2115 
2116 		p_div = (sclk_params.vCG_SPLL_FUNC_CNTL & SPLL_PDIV_A_MASK) >> SPLL_PDIV_A_SHIFT;
2117 		fb_div = (sclk_params.vCG_SPLL_FUNC_CNTL_3 & SPLL_FB_DIV_MASK) >> SPLL_FB_DIV_SHIFT;
2118 		clk_s = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM & CLK_S_MASK) >> CLK_S_SHIFT;
2119 		clk_v = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM_2 & CLK_V_MASK) >> CLK_V_SHIFT;
2120 
2121 		fb_div &= ~0x00001FFF;
2122 		fb_div >>= 1;
2123 		clk_v >>= 6;
2124 
2125 		if (p_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT))
2126 			ret = -EINVAL;
2127 
2128 		if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2129 			ret = -EINVAL;
2130 
2131 		if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2132 			ret = -EINVAL;
2133 
2134 		if (clk_v & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT))
2135 			ret = -EINVAL;
2136 
2137 		if (ret)
2138 			break;
2139 
2140 		tmp = ((fb_div << SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK) |
2141 			((p_div << SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK);
2142 		spll_table->freq[i] = cpu_to_be32(tmp);
2143 
2144 		tmp = ((clk_v << SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK) |
2145 			((clk_s << SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK);
2146 		spll_table->ss[i] = cpu_to_be32(tmp);
2147 
2148 		sclk += 512;
2149 	}
2150 
2151 	if (!ret)
2152 		ret = rv770_copy_bytes_to_smc(rdev, ni_pi->spll_table_start, (u8 *)spll_table,
2153 					      sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), pi->sram_end);
2154 
2155 	kfree(spll_table);
2156 
2157 	return ret;
2158 }
2159 
2160 static int ni_populate_mclk_value(struct radeon_device *rdev,
2161 				  u32 engine_clock,
2162 				  u32 memory_clock,
2163 				  NISLANDS_SMC_MCLK_VALUE *mclk,
2164 				  bool strobe_mode,
2165 				  bool dll_state_on)
2166 {
2167 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2168 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2169 	u32 mpll_ad_func_cntl = ni_pi->clock_registers.mpll_ad_func_cntl;
2170 	u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
2171 	u32 mpll_dq_func_cntl = ni_pi->clock_registers.mpll_dq_func_cntl;
2172 	u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
2173 	u32 mclk_pwrmgt_cntl = ni_pi->clock_registers.mclk_pwrmgt_cntl;
2174 	u32 dll_cntl = ni_pi->clock_registers.dll_cntl;
2175 	u32 mpll_ss1 = ni_pi->clock_registers.mpll_ss1;
2176 	u32 mpll_ss2 = ni_pi->clock_registers.mpll_ss2;
2177 	struct atom_clock_dividers dividers;
2178 	u32 ibias;
2179 	u32 dll_speed;
2180 	int ret;
2181 	u32 mc_seq_misc7;
2182 
2183 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
2184 					     memory_clock, strobe_mode, &dividers);
2185 	if (ret)
2186 		return ret;
2187 
2188 	if (!strobe_mode) {
2189 		mc_seq_misc7 = RREG32(MC_SEQ_MISC7);
2190 
2191 		if (mc_seq_misc7 & 0x8000000)
2192 			dividers.post_div = 1;
2193 	}
2194 
2195 	ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div);
2196 
2197 	mpll_ad_func_cntl &= ~(CLKR_MASK |
2198 			       YCLK_POST_DIV_MASK |
2199 			       CLKF_MASK |
2200 			       CLKFRAC_MASK |
2201 			       IBIAS_MASK);
2202 	mpll_ad_func_cntl |= CLKR(dividers.ref_div);
2203 	mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2204 	mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div);
2205 	mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2206 	mpll_ad_func_cntl |= IBIAS(ibias);
2207 
2208 	if (dividers.vco_mode)
2209 		mpll_ad_func_cntl_2 |= VCO_MODE;
2210 	else
2211 		mpll_ad_func_cntl_2 &= ~VCO_MODE;
2212 
2213 	if (pi->mem_gddr5) {
2214 		mpll_dq_func_cntl &= ~(CLKR_MASK |
2215 				       YCLK_POST_DIV_MASK |
2216 				       CLKF_MASK |
2217 				       CLKFRAC_MASK |
2218 				       IBIAS_MASK);
2219 		mpll_dq_func_cntl |= CLKR(dividers.ref_div);
2220 		mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2221 		mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div);
2222 		mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2223 		mpll_dq_func_cntl |= IBIAS(ibias);
2224 
2225 		if (strobe_mode)
2226 			mpll_dq_func_cntl &= ~PDNB;
2227 		else
2228 			mpll_dq_func_cntl |= PDNB;
2229 
2230 		if (dividers.vco_mode)
2231 			mpll_dq_func_cntl_2 |= VCO_MODE;
2232 		else
2233 			mpll_dq_func_cntl_2 &= ~VCO_MODE;
2234 	}
2235 
2236 	if (pi->mclk_ss) {
2237 		struct radeon_atom_ss ss;
2238 		u32 vco_freq = memory_clock * dividers.post_div;
2239 
2240 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2241 						     ASIC_INTERNAL_MEMORY_SS, vco_freq)) {
2242 			u32 reference_clock = rdev->clock.mpll.reference_freq;
2243 			u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div);
2244 			u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate);
2245 			u32 clk_v = ss.percentage *
2246 				(0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625);
2247 
2248 			mpll_ss1 &= ~CLKV_MASK;
2249 			mpll_ss1 |= CLKV(clk_v);
2250 
2251 			mpll_ss2 &= ~CLKS_MASK;
2252 			mpll_ss2 |= CLKS(clk_s);
2253 		}
2254 	}
2255 
2256 	dll_speed = rv740_get_dll_speed(pi->mem_gddr5,
2257 					memory_clock);
2258 
2259 	mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK;
2260 	mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed);
2261 	if (dll_state_on)
2262 		mclk_pwrmgt_cntl |= (MRDCKA0_PDNB |
2263 				     MRDCKA1_PDNB |
2264 				     MRDCKB0_PDNB |
2265 				     MRDCKB1_PDNB |
2266 				     MRDCKC0_PDNB |
2267 				     MRDCKC1_PDNB |
2268 				     MRDCKD0_PDNB |
2269 				     MRDCKD1_PDNB);
2270 	else
2271 		mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
2272 				      MRDCKA1_PDNB |
2273 				      MRDCKB0_PDNB |
2274 				      MRDCKB1_PDNB |
2275 				      MRDCKC0_PDNB |
2276 				      MRDCKC1_PDNB |
2277 				      MRDCKD0_PDNB |
2278 				      MRDCKD1_PDNB);
2279 
2280 
2281 	mclk->mclk_value = cpu_to_be32(memory_clock);
2282 	mclk->vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
2283 	mclk->vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
2284 	mclk->vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
2285 	mclk->vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
2286 	mclk->vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
2287 	mclk->vDLL_CNTL = cpu_to_be32(dll_cntl);
2288 	mclk->vMPLL_SS = cpu_to_be32(mpll_ss1);
2289 	mclk->vMPLL_SS2 = cpu_to_be32(mpll_ss2);
2290 
2291 	return 0;
2292 }
2293 
2294 static void ni_populate_smc_sp(struct radeon_device *rdev,
2295 			       struct radeon_ps *radeon_state,
2296 			       NISLANDS_SMC_SWSTATE *smc_state)
2297 {
2298 	struct ni_ps *ps = ni_get_ps(radeon_state);
2299 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2300 	int i;
2301 
2302 	for (i = 0; i < ps->performance_level_count - 1; i++)
2303 		smc_state->levels[i].bSP = cpu_to_be32(pi->dsp);
2304 
2305 	smc_state->levels[ps->performance_level_count - 1].bSP =
2306 		cpu_to_be32(pi->psp);
2307 }
2308 
2309 static int ni_convert_power_level_to_smc(struct radeon_device *rdev,
2310 					 struct rv7xx_pl *pl,
2311 					 NISLANDS_SMC_HW_PERFORMANCE_LEVEL *level)
2312 {
2313 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2314 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2315 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2316 	int ret;
2317 	bool dll_state_on;
2318 	u16 std_vddc;
2319 	u32 tmp = RREG32(DC_STUTTER_CNTL);
2320 
2321 	level->gen2PCIE = pi->pcie_gen2 ?
2322 		((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0;
2323 
2324 	ret = ni_populate_sclk_value(rdev, pl->sclk, &level->sclk);
2325 	if (ret)
2326 		return ret;
2327 
2328 	level->mcFlags =  0;
2329 	if (pi->mclk_stutter_mode_threshold &&
2330 	    (pl->mclk <= pi->mclk_stutter_mode_threshold) &&
2331 	    !eg_pi->uvd_enabled &&
2332 	    (tmp & DC_STUTTER_ENABLE_A) &&
2333 	    (tmp & DC_STUTTER_ENABLE_B))
2334 		level->mcFlags |= NISLANDS_SMC_MC_STUTTER_EN;
2335 
2336 	if (pi->mem_gddr5) {
2337 		if (pl->mclk > pi->mclk_edc_enable_threshold)
2338 			level->mcFlags |= NISLANDS_SMC_MC_EDC_RD_FLAG;
2339 		if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold)
2340 			level->mcFlags |= NISLANDS_SMC_MC_EDC_WR_FLAG;
2341 
2342 		level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk);
2343 
2344 		if (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) {
2345 			if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >=
2346 			    ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf))
2347 				dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
2348 			else
2349 				dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false;
2350 		} else {
2351 			dll_state_on = false;
2352 			if (pl->mclk > ni_pi->mclk_rtt_mode_threshold)
2353 				level->mcFlags |= NISLANDS_SMC_MC_RTT_ENABLE;
2354 		}
2355 
2356 		ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk,
2357 					     &level->mclk,
2358 					     (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) != 0,
2359 					     dll_state_on);
2360 	} else
2361 		ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk, &level->mclk, 1, 1);
2362 
2363 	if (ret)
2364 		return ret;
2365 
2366 	ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
2367 					pl->vddc, &level->vddc);
2368 	if (ret)
2369 		return ret;
2370 
2371 	ret = ni_get_std_voltage_value(rdev, &level->vddc, &std_vddc);
2372 	if (ret)
2373 		return ret;
2374 
2375 	ni_populate_std_voltage_value(rdev, std_vddc,
2376 				      level->vddc.index, &level->std_vddc);
2377 
2378 	if (eg_pi->vddci_control) {
2379 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table,
2380 						pl->vddci, &level->vddci);
2381 		if (ret)
2382 			return ret;
2383 	}
2384 
2385 	ni_populate_mvdd_value(rdev, pl->mclk, &level->mvdd);
2386 
2387 	return ret;
2388 }
2389 
2390 static int ni_populate_smc_t(struct radeon_device *rdev,
2391 			     struct radeon_ps *radeon_state,
2392 			     NISLANDS_SMC_SWSTATE *smc_state)
2393 {
2394 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2395 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2396 	struct ni_ps *state = ni_get_ps(radeon_state);
2397 	u32 a_t;
2398 	u32 t_l, t_h;
2399 	u32 high_bsp;
2400 	int i, ret;
2401 
2402 	if (state->performance_level_count >= 9)
2403 		return -EINVAL;
2404 
2405 	if (state->performance_level_count < 2) {
2406 		a_t = CG_R(0xffff) | CG_L(0);
2407 		smc_state->levels[0].aT = cpu_to_be32(a_t);
2408 		return 0;
2409 	}
2410 
2411 	smc_state->levels[0].aT = cpu_to_be32(0);
2412 
2413 	for (i = 0; i <= state->performance_level_count - 2; i++) {
2414 		if (eg_pi->uvd_enabled)
2415 			ret = r600_calculate_at(
2416 				1000 * (i * (eg_pi->smu_uvd_hs ? 2 : 8) + 2),
2417 				100 * R600_AH_DFLT,
2418 				state->performance_levels[i + 1].sclk,
2419 				state->performance_levels[i].sclk,
2420 				&t_l,
2421 				&t_h);
2422 		else
2423 			ret = r600_calculate_at(
2424 				1000 * (i + 1),
2425 				100 * R600_AH_DFLT,
2426 				state->performance_levels[i + 1].sclk,
2427 				state->performance_levels[i].sclk,
2428 				&t_l,
2429 				&t_h);
2430 
2431 		if (ret) {
2432 			t_h = (i + 1) * 1000 - 50 * R600_AH_DFLT;
2433 			t_l = (i + 1) * 1000 + 50 * R600_AH_DFLT;
2434 		}
2435 
2436 		a_t = be32_to_cpu(smc_state->levels[i].aT) & ~CG_R_MASK;
2437 		a_t |= CG_R(t_l * pi->bsp / 20000);
2438 		smc_state->levels[i].aT = cpu_to_be32(a_t);
2439 
2440 		high_bsp = (i == state->performance_level_count - 2) ?
2441 			pi->pbsp : pi->bsp;
2442 
2443 		a_t = CG_R(0xffff) | CG_L(t_h * high_bsp / 20000);
2444 		smc_state->levels[i + 1].aT = cpu_to_be32(a_t);
2445 	}
2446 
2447 	return 0;
2448 }
2449 
2450 static int ni_populate_power_containment_values(struct radeon_device *rdev,
2451 						struct radeon_ps *radeon_state,
2452 						NISLANDS_SMC_SWSTATE *smc_state)
2453 {
2454 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2455 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2456 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2457 	struct ni_ps *state = ni_get_ps(radeon_state);
2458 	u32 prev_sclk;
2459 	u32 max_sclk;
2460 	u32 min_sclk;
2461 	int i, ret;
2462 	u32 tdp_limit;
2463 	u32 near_tdp_limit;
2464 	u32 power_boost_limit;
2465 	u8 max_ps_percent;
2466 
2467 	if (ni_pi->enable_power_containment == false)
2468 		return 0;
2469 
2470 	if (state->performance_level_count == 0)
2471 		return -EINVAL;
2472 
2473 	if (smc_state->levelCount != state->performance_level_count)
2474 		return -EINVAL;
2475 
2476 	ret = ni_calculate_adjusted_tdp_limits(rdev,
2477 					       false, /* ??? */
2478 					       rdev->pm.dpm.tdp_adjustment,
2479 					       &tdp_limit,
2480 					       &near_tdp_limit);
2481 	if (ret)
2482 		return ret;
2483 
2484 	power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state, near_tdp_limit);
2485 
2486 	ret = rv770_write_smc_sram_dword(rdev,
2487 					 pi->state_table_start +
2488 					 offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
2489 					 offsetof(PP_NIslands_DPM2Parameters, PowerBoostLimit),
2490 					 ni_scale_power_for_smc(power_boost_limit, ni_get_smc_power_scaling_factor(rdev)),
2491 					 pi->sram_end);
2492 	if (ret)
2493 		power_boost_limit = 0;
2494 
2495 	smc_state->levels[0].dpm2.MaxPS = 0;
2496 	smc_state->levels[0].dpm2.NearTDPDec = 0;
2497 	smc_state->levels[0].dpm2.AboveSafeInc = 0;
2498 	smc_state->levels[0].dpm2.BelowSafeInc = 0;
2499 	smc_state->levels[0].stateFlags |= power_boost_limit ? PPSMC_STATEFLAG_POWERBOOST : 0;
2500 
2501 	for (i = 1; i < state->performance_level_count; i++) {
2502 		prev_sclk = state->performance_levels[i-1].sclk;
2503 		max_sclk  = state->performance_levels[i].sclk;
2504 		max_ps_percent = (i != (state->performance_level_count - 1)) ?
2505 			NISLANDS_DPM2_MAXPS_PERCENT_M : NISLANDS_DPM2_MAXPS_PERCENT_H;
2506 
2507 		if (max_sclk < prev_sclk)
2508 			return -EINVAL;
2509 
2510 		if ((max_ps_percent == 0) || (prev_sclk == max_sclk) || eg_pi->uvd_enabled)
2511 			min_sclk = max_sclk;
2512 		else if (1 == i)
2513 			min_sclk = prev_sclk;
2514 		else
2515 			min_sclk = (prev_sclk * (u32)max_ps_percent) / 100;
2516 
2517 		if (min_sclk < state->performance_levels[0].sclk)
2518 			min_sclk = state->performance_levels[0].sclk;
2519 
2520 		if (min_sclk == 0)
2521 			return -EINVAL;
2522 
2523 		smc_state->levels[i].dpm2.MaxPS =
2524 			(u8)((NISLANDS_DPM2_MAX_PULSE_SKIP * (max_sclk - min_sclk)) / max_sclk);
2525 		smc_state->levels[i].dpm2.NearTDPDec = NISLANDS_DPM2_NEAR_TDP_DEC;
2526 		smc_state->levels[i].dpm2.AboveSafeInc = NISLANDS_DPM2_ABOVE_SAFE_INC;
2527 		smc_state->levels[i].dpm2.BelowSafeInc = NISLANDS_DPM2_BELOW_SAFE_INC;
2528 		smc_state->levels[i].stateFlags |=
2529 			((i != (state->performance_level_count - 1)) && power_boost_limit) ?
2530 			PPSMC_STATEFLAG_POWERBOOST : 0;
2531 	}
2532 
2533 	return 0;
2534 }
2535 
2536 static int ni_populate_sq_ramping_values(struct radeon_device *rdev,
2537 					 struct radeon_ps *radeon_state,
2538 					 NISLANDS_SMC_SWSTATE *smc_state)
2539 {
2540 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2541 	struct ni_ps *state = ni_get_ps(radeon_state);
2542 	u32 sq_power_throttle;
2543 	u32 sq_power_throttle2;
2544 	bool enable_sq_ramping = ni_pi->enable_sq_ramping;
2545 	int i;
2546 
2547 	if (state->performance_level_count == 0)
2548 		return -EINVAL;
2549 
2550 	if (smc_state->levelCount != state->performance_level_count)
2551 		return -EINVAL;
2552 
2553 	if (rdev->pm.dpm.sq_ramping_threshold == 0)
2554 		return -EINVAL;
2555 
2556 	if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER > (MAX_POWER_MASK >> MAX_POWER_SHIFT))
2557 		enable_sq_ramping = false;
2558 
2559 	if (NISLANDS_DPM2_SQ_RAMP_MIN_POWER > (MIN_POWER_MASK >> MIN_POWER_SHIFT))
2560 		enable_sq_ramping = false;
2561 
2562 	if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA > (MAX_POWER_DELTA_MASK >> MAX_POWER_DELTA_SHIFT))
2563 		enable_sq_ramping = false;
2564 
2565 	if (NISLANDS_DPM2_SQ_RAMP_STI_SIZE > (STI_SIZE_MASK >> STI_SIZE_SHIFT))
2566 		enable_sq_ramping = false;
2567 
2568 	if (NISLANDS_DPM2_SQ_RAMP_LTI_RATIO > (LTI_RATIO_MASK >> LTI_RATIO_SHIFT))
2569 		enable_sq_ramping = false;
2570 
2571 	for (i = 0; i < state->performance_level_count; i++) {
2572 		sq_power_throttle  = 0;
2573 		sq_power_throttle2 = 0;
2574 
2575 		if ((state->performance_levels[i].sclk >= rdev->pm.dpm.sq_ramping_threshold) &&
2576 		    enable_sq_ramping) {
2577 			sq_power_throttle |= MAX_POWER(NISLANDS_DPM2_SQ_RAMP_MAX_POWER);
2578 			sq_power_throttle |= MIN_POWER(NISLANDS_DPM2_SQ_RAMP_MIN_POWER);
2579 			sq_power_throttle2 |= MAX_POWER_DELTA(NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA);
2580 			sq_power_throttle2 |= STI_SIZE(NISLANDS_DPM2_SQ_RAMP_STI_SIZE);
2581 			sq_power_throttle2 |= LTI_RATIO(NISLANDS_DPM2_SQ_RAMP_LTI_RATIO);
2582 		} else {
2583 			sq_power_throttle |= MAX_POWER_MASK | MIN_POWER_MASK;
2584 			sq_power_throttle2 |= MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
2585 		}
2586 
2587 		smc_state->levels[i].SQPowerThrottle   = cpu_to_be32(sq_power_throttle);
2588 		smc_state->levels[i].SQPowerThrottle_2 = cpu_to_be32(sq_power_throttle2);
2589 	}
2590 
2591 	return 0;
2592 }
2593 
2594 static int ni_enable_power_containment(struct radeon_device *rdev,
2595 				       struct radeon_ps *radeon_new_state,
2596 				       bool enable)
2597 {
2598 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2599 	PPSMC_Result smc_result;
2600 	int ret = 0;
2601 
2602 	if (ni_pi->enable_power_containment) {
2603 		if (enable) {
2604 			if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
2605 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingActive);
2606 				if (smc_result != PPSMC_Result_OK) {
2607 					ret = -EINVAL;
2608 					ni_pi->pc_enabled = false;
2609 				} else {
2610 					ni_pi->pc_enabled = true;
2611 				}
2612 			}
2613 		} else {
2614 			smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingInactive);
2615 			if (smc_result != PPSMC_Result_OK)
2616 				ret = -EINVAL;
2617 			ni_pi->pc_enabled = false;
2618 		}
2619 	}
2620 
2621 	return ret;
2622 }
2623 
2624 static int ni_convert_power_state_to_smc(struct radeon_device *rdev,
2625 					 struct radeon_ps *radeon_state,
2626 					 NISLANDS_SMC_SWSTATE *smc_state)
2627 {
2628 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2629 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2630 	struct ni_ps *state = ni_get_ps(radeon_state);
2631 	int i, ret;
2632 	u32 threshold = state->performance_levels[state->performance_level_count - 1].sclk * 100 / 100;
2633 
2634 	if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC))
2635 		smc_state->flags |= PPSMC_SWSTATE_FLAG_DC;
2636 
2637 	smc_state->levelCount = 0;
2638 
2639 	if (state->performance_level_count > NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE)
2640 		return -EINVAL;
2641 
2642 	for (i = 0; i < state->performance_level_count; i++) {
2643 		ret = ni_convert_power_level_to_smc(rdev, &state->performance_levels[i],
2644 						    &smc_state->levels[i]);
2645 		smc_state->levels[i].arbRefreshState =
2646 			(u8)(NISLANDS_DRIVER_STATE_ARB_INDEX + i);
2647 
2648 		if (ret)
2649 			return ret;
2650 
2651 		if (ni_pi->enable_power_containment)
2652 			smc_state->levels[i].displayWatermark =
2653 				(state->performance_levels[i].sclk < threshold) ?
2654 				PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2655 		else
2656 			smc_state->levels[i].displayWatermark = (i < 2) ?
2657 				PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2658 
2659 		if (eg_pi->dynamic_ac_timing)
2660 			smc_state->levels[i].ACIndex = NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i;
2661 		else
2662 			smc_state->levels[i].ACIndex = 0;
2663 
2664 		smc_state->levelCount++;
2665 	}
2666 
2667 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_watermark_threshold,
2668 				      cpu_to_be32(threshold / 512));
2669 
2670 	ni_populate_smc_sp(rdev, radeon_state, smc_state);
2671 
2672 	ret = ni_populate_power_containment_values(rdev, radeon_state, smc_state);
2673 	if (ret)
2674 		ni_pi->enable_power_containment = false;
2675 
2676 	ret = ni_populate_sq_ramping_values(rdev, radeon_state, smc_state);
2677 	if (ret)
2678 		ni_pi->enable_sq_ramping = false;
2679 
2680 	return ni_populate_smc_t(rdev, radeon_state, smc_state);
2681 }
2682 
2683 static int ni_upload_sw_state(struct radeon_device *rdev,
2684 			      struct radeon_ps *radeon_new_state)
2685 {
2686 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2687 	u16 address = pi->state_table_start +
2688 		offsetof(NISLANDS_SMC_STATETABLE, driverState);
2689 	u16 state_size = sizeof(NISLANDS_SMC_SWSTATE) +
2690 		((NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1) * sizeof(NISLANDS_SMC_HW_PERFORMANCE_LEVEL));
2691 	int ret;
2692 	NISLANDS_SMC_SWSTATE *smc_state = kzalloc(state_size, GFP_KERNEL);
2693 
2694 	if (smc_state == NULL)
2695 		return -ENOMEM;
2696 
2697 	ret = ni_convert_power_state_to_smc(rdev, radeon_new_state, smc_state);
2698 	if (ret)
2699 		goto done;
2700 
2701 	ret = rv770_copy_bytes_to_smc(rdev, address, (u8 *)smc_state, state_size, pi->sram_end);
2702 
2703 done:
2704 	kfree(smc_state);
2705 
2706 	return ret;
2707 }
2708 
2709 static int ni_set_mc_special_registers(struct radeon_device *rdev,
2710 				       struct ni_mc_reg_table *table)
2711 {
2712 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2713 	u8 i, j, k;
2714 	u32 temp_reg;
2715 
2716 	for (i = 0, j = table->last; i < table->last; i++) {
2717 		switch (table->mc_reg_address[i].s1) {
2718 		case MC_SEQ_MISC1 >> 2:
2719 			if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2720 				return -EINVAL;
2721 			temp_reg = RREG32(MC_PMG_CMD_EMRS);
2722 			table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
2723 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2724 			for (k = 0; k < table->num_entries; k++)
2725 				table->mc_reg_table_entry[k].mc_data[j] =
2726 					((temp_reg & 0xffff0000)) |
2727 					((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
2728 			j++;
2729 			if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2730 				return -EINVAL;
2731 
2732 			temp_reg = RREG32(MC_PMG_CMD_MRS);
2733 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
2734 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2735 			for(k = 0; k < table->num_entries; k++) {
2736 				table->mc_reg_table_entry[k].mc_data[j] =
2737 					(temp_reg & 0xffff0000) |
2738 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2739 				if (!pi->mem_gddr5)
2740 					table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
2741 			}
2742 			j++;
2743 			if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2744 				return -EINVAL;
2745 			break;
2746 		case MC_SEQ_RESERVE_M >> 2:
2747 			temp_reg = RREG32(MC_PMG_CMD_MRS1);
2748 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
2749 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2750 			for (k = 0; k < table->num_entries; k++)
2751 				table->mc_reg_table_entry[k].mc_data[j] =
2752 					(temp_reg & 0xffff0000) |
2753 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2754 			j++;
2755 			if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2756 				return -EINVAL;
2757 			break;
2758 		default:
2759 			break;
2760 		}
2761 	}
2762 
2763 	table->last = j;
2764 
2765 	return 0;
2766 }
2767 
2768 static bool ni_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
2769 {
2770 	bool result = true;
2771 
2772 	switch (in_reg) {
2773 	case  MC_SEQ_RAS_TIMING >> 2:
2774 		*out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
2775 		break;
2776 	case MC_SEQ_CAS_TIMING >> 2:
2777 		*out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
2778 		break;
2779 	case MC_SEQ_MISC_TIMING >> 2:
2780 		*out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
2781 		break;
2782 	case MC_SEQ_MISC_TIMING2 >> 2:
2783 		*out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
2784 		break;
2785 	case MC_SEQ_RD_CTL_D0 >> 2:
2786 		*out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
2787 		break;
2788 	case MC_SEQ_RD_CTL_D1 >> 2:
2789 		*out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
2790 		break;
2791 	case MC_SEQ_WR_CTL_D0 >> 2:
2792 		*out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
2793 		break;
2794 	case MC_SEQ_WR_CTL_D1 >> 2:
2795 		*out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
2796 		break;
2797 	case MC_PMG_CMD_EMRS >> 2:
2798 		*out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2799 		break;
2800 	case MC_PMG_CMD_MRS >> 2:
2801 		*out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2802 		break;
2803 	case MC_PMG_CMD_MRS1 >> 2:
2804 		*out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2805 		break;
2806 	case MC_SEQ_PMG_TIMING >> 2:
2807 		*out_reg = MC_SEQ_PMG_TIMING_LP >> 2;
2808 		break;
2809 	case MC_PMG_CMD_MRS2 >> 2:
2810 		*out_reg = MC_SEQ_PMG_CMD_MRS2_LP >> 2;
2811 		break;
2812 	default:
2813 		result = false;
2814 		break;
2815 	}
2816 
2817 	return result;
2818 }
2819 
2820 static void ni_set_valid_flag(struct ni_mc_reg_table *table)
2821 {
2822 	u8 i, j;
2823 
2824 	for (i = 0; i < table->last; i++) {
2825 		for (j = 1; j < table->num_entries; j++) {
2826 			if (table->mc_reg_table_entry[j-1].mc_data[i] != table->mc_reg_table_entry[j].mc_data[i]) {
2827 				table->valid_flag |= 1 << i;
2828 				break;
2829 			}
2830 		}
2831 	}
2832 }
2833 
2834 static void ni_set_s0_mc_reg_index(struct ni_mc_reg_table *table)
2835 {
2836 	u32 i;
2837 	u16 address;
2838 
2839 	for (i = 0; i < table->last; i++)
2840 		table->mc_reg_address[i].s0 =
2841 			ni_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
2842 			address : table->mc_reg_address[i].s1;
2843 }
2844 
2845 static int ni_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
2846 				      struct ni_mc_reg_table *ni_table)
2847 {
2848 	u8 i, j;
2849 
2850 	if (table->last > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2851 		return -EINVAL;
2852 	if (table->num_entries > MAX_AC_TIMING_ENTRIES)
2853 		return -EINVAL;
2854 
2855 	for (i = 0; i < table->last; i++)
2856 		ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
2857 	ni_table->last = table->last;
2858 
2859 	for (i = 0; i < table->num_entries; i++) {
2860 		ni_table->mc_reg_table_entry[i].mclk_max =
2861 			table->mc_reg_table_entry[i].mclk_max;
2862 		for (j = 0; j < table->last; j++)
2863 			ni_table->mc_reg_table_entry[i].mc_data[j] =
2864 				table->mc_reg_table_entry[i].mc_data[j];
2865 	}
2866 	ni_table->num_entries = table->num_entries;
2867 
2868 	return 0;
2869 }
2870 
2871 static int ni_initialize_mc_reg_table(struct radeon_device *rdev)
2872 {
2873 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2874 	int ret;
2875 	struct atom_mc_reg_table *table;
2876 	struct ni_mc_reg_table *ni_table = &ni_pi->mc_reg_table;
2877 	u8 module_index = rv770_get_memory_module_index(rdev);
2878 
2879 	table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
2880 	if (!table)
2881 		return -ENOMEM;
2882 
2883 	WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
2884 	WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
2885 	WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
2886 	WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
2887 	WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
2888 	WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
2889 	WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
2890 	WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
2891 	WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
2892 	WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
2893 	WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
2894 	WREG32(MC_SEQ_PMG_TIMING_LP, RREG32(MC_SEQ_PMG_TIMING));
2895 	WREG32(MC_SEQ_PMG_CMD_MRS2_LP, RREG32(MC_PMG_CMD_MRS2));
2896 
2897 	ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);
2898 
2899 	if (ret)
2900 		goto init_mc_done;
2901 
2902 	ret = ni_copy_vbios_mc_reg_table(table, ni_table);
2903 
2904 	if (ret)
2905 		goto init_mc_done;
2906 
2907 	ni_set_s0_mc_reg_index(ni_table);
2908 
2909 	ret = ni_set_mc_special_registers(rdev, ni_table);
2910 
2911 	if (ret)
2912 		goto init_mc_done;
2913 
2914 	ni_set_valid_flag(ni_table);
2915 
2916 init_mc_done:
2917 	kfree(table);
2918 
2919 	return ret;
2920 }
2921 
2922 static void ni_populate_mc_reg_addresses(struct radeon_device *rdev,
2923 					 SMC_NIslands_MCRegisters *mc_reg_table)
2924 {
2925 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2926 	u32 i, j;
2927 
2928 	for (i = 0, j = 0; j < ni_pi->mc_reg_table.last; j++) {
2929 		if (ni_pi->mc_reg_table.valid_flag & (1 << j)) {
2930 			if (i >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2931 				break;
2932 			mc_reg_table->address[i].s0 =
2933 				cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s0);
2934 			mc_reg_table->address[i].s1 =
2935 				cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s1);
2936 			i++;
2937 		}
2938 	}
2939 	mc_reg_table->last = (u8)i;
2940 }
2941 
2942 
2943 static void ni_convert_mc_registers(struct ni_mc_reg_entry *entry,
2944 				    SMC_NIslands_MCRegisterSet *data,
2945 				    u32 num_entries, u32 valid_flag)
2946 {
2947 	u32 i, j;
2948 
2949 	for (i = 0, j = 0; j < num_entries; j++) {
2950 		if (valid_flag & (1 << j)) {
2951 			data->value[i] = cpu_to_be32(entry->mc_data[j]);
2952 			i++;
2953 		}
2954 	}
2955 }
2956 
2957 static void ni_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev,
2958 						 struct rv7xx_pl *pl,
2959 						 SMC_NIslands_MCRegisterSet *mc_reg_table_data)
2960 {
2961 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2962 	u32 i = 0;
2963 
2964 	for (i = 0; i < ni_pi->mc_reg_table.num_entries; i++) {
2965 		if (pl->mclk <= ni_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max)
2966 			break;
2967 	}
2968 
2969 	if ((i == ni_pi->mc_reg_table.num_entries) && (i > 0))
2970 		--i;
2971 
2972 	ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[i],
2973 				mc_reg_table_data,
2974 				ni_pi->mc_reg_table.last,
2975 				ni_pi->mc_reg_table.valid_flag);
2976 }
2977 
2978 static void ni_convert_mc_reg_table_to_smc(struct radeon_device *rdev,
2979 					   struct radeon_ps *radeon_state,
2980 					   SMC_NIslands_MCRegisters *mc_reg_table)
2981 {
2982 	struct ni_ps *state = ni_get_ps(radeon_state);
2983 	int i;
2984 
2985 	for (i = 0; i < state->performance_level_count; i++) {
2986 		ni_convert_mc_reg_table_entry_to_smc(rdev,
2987 						     &state->performance_levels[i],
2988 						     &mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i]);
2989 	}
2990 }
2991 
2992 static int ni_populate_mc_reg_table(struct radeon_device *rdev,
2993 				    struct radeon_ps *radeon_boot_state)
2994 {
2995 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2996 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2997 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2998 	struct ni_ps *boot_state = ni_get_ps(radeon_boot_state);
2999 	SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
3000 
3001 	memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3002 
3003 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_seq_index, 1);
3004 
3005 	ni_populate_mc_reg_addresses(rdev, mc_reg_table);
3006 
3007 	ni_convert_mc_reg_table_entry_to_smc(rdev, &boot_state->performance_levels[0],
3008 					     &mc_reg_table->data[0]);
3009 
3010 	ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[0],
3011 				&mc_reg_table->data[1],
3012 				ni_pi->mc_reg_table.last,
3013 				ni_pi->mc_reg_table.valid_flag);
3014 
3015 	ni_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, mc_reg_table);
3016 
3017 	return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start,
3018 				       (u8 *)mc_reg_table,
3019 				       sizeof(SMC_NIslands_MCRegisters),
3020 				       pi->sram_end);
3021 }
3022 
3023 static int ni_upload_mc_reg_table(struct radeon_device *rdev,
3024 				  struct radeon_ps *radeon_new_state)
3025 {
3026 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3027 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3028 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3029 	struct ni_ps *ni_new_state = ni_get_ps(radeon_new_state);
3030 	SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
3031 	u16 address;
3032 
3033 	memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3034 
3035 	ni_convert_mc_reg_table_to_smc(rdev, radeon_new_state, mc_reg_table);
3036 
3037 	address = eg_pi->mc_reg_table_start +
3038 		(u16)offsetof(SMC_NIslands_MCRegisters, data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT]);
3039 
3040 	return rv770_copy_bytes_to_smc(rdev, address,
3041 				       (u8 *)&mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT],
3042 				       sizeof(SMC_NIslands_MCRegisterSet) * ni_new_state->performance_level_count,
3043 				       pi->sram_end);
3044 }
3045 
3046 static int ni_init_driver_calculated_leakage_table(struct radeon_device *rdev,
3047 						   PP_NIslands_CACTABLES *cac_tables)
3048 {
3049 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3050 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3051 	u32 leakage = 0;
3052 	unsigned int i, j, table_size;
3053 	s32 t;
3054 	u32 smc_leakage, max_leakage = 0;
3055 	u32 scaling_factor;
3056 
3057 	table_size = eg_pi->vddc_voltage_table.count;
3058 
3059 	if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3060 		table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3061 
3062 	scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3063 
3064 	for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++) {
3065 		for (j = 0; j < table_size; j++) {
3066 			t = (1000 * ((i + 1) * 8));
3067 
3068 			if (t < ni_pi->cac_data.leakage_minimum_temperature)
3069 				t = ni_pi->cac_data.leakage_minimum_temperature;
3070 
3071 			ni_calculate_leakage_for_v_and_t(rdev,
3072 							 &ni_pi->cac_data.leakage_coefficients,
3073 							 eg_pi->vddc_voltage_table.entries[j].value,
3074 							 t,
3075 							 ni_pi->cac_data.i_leakage,
3076 							 &leakage);
3077 
3078 			smc_leakage = ni_scale_power_for_smc(leakage, scaling_factor) / 1000;
3079 			if (smc_leakage > max_leakage)
3080 				max_leakage = smc_leakage;
3081 
3082 			cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(smc_leakage);
3083 		}
3084 	}
3085 
3086 	for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3087 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3088 			cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(max_leakage);
3089 	}
3090 	return 0;
3091 }
3092 
3093 static int ni_init_simplified_leakage_table(struct radeon_device *rdev,
3094 					    PP_NIslands_CACTABLES *cac_tables)
3095 {
3096 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3097 	struct radeon_cac_leakage_table *leakage_table =
3098 		&rdev->pm.dpm.dyn_state.cac_leakage_table;
3099 	u32 i, j, table_size;
3100 	u32 smc_leakage, max_leakage = 0;
3101 	u32 scaling_factor;
3102 
3103 	if (!leakage_table)
3104 		return -EINVAL;
3105 
3106 	table_size = leakage_table->count;
3107 
3108 	if (eg_pi->vddc_voltage_table.count != table_size)
3109 		table_size = (eg_pi->vddc_voltage_table.count < leakage_table->count) ?
3110 			eg_pi->vddc_voltage_table.count : leakage_table->count;
3111 
3112 	if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3113 		table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3114 
3115 	if (table_size == 0)
3116 		return -EINVAL;
3117 
3118 	scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3119 
3120 	for (j = 0; j < table_size; j++) {
3121 		smc_leakage = leakage_table->entries[j].leakage;
3122 
3123 		if (smc_leakage > max_leakage)
3124 			max_leakage = smc_leakage;
3125 
3126 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3127 			cac_tables->cac_lkge_lut[i][j] =
3128 				cpu_to_be32(ni_scale_power_for_smc(smc_leakage, scaling_factor));
3129 	}
3130 
3131 	for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3132 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3133 			cac_tables->cac_lkge_lut[i][j] =
3134 				cpu_to_be32(ni_scale_power_for_smc(max_leakage, scaling_factor));
3135 	}
3136 	return 0;
3137 }
3138 
3139 static int ni_initialize_smc_cac_tables(struct radeon_device *rdev)
3140 {
3141 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3142 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3143 	PP_NIslands_CACTABLES *cac_tables = NULL;
3144 	int i, ret;
3145 	u32 reg;
3146 
3147 	if (ni_pi->enable_cac == false)
3148 		return 0;
3149 
3150 	cac_tables = kzalloc(sizeof(PP_NIslands_CACTABLES), GFP_KERNEL);
3151 	if (!cac_tables)
3152 		return -ENOMEM;
3153 
3154 	reg = RREG32(CG_CAC_CTRL) & ~(TID_CNT_MASK | TID_UNIT_MASK);
3155 	reg |= (TID_CNT(ni_pi->cac_weights->tid_cnt) |
3156 		TID_UNIT(ni_pi->cac_weights->tid_unit));
3157 	WREG32(CG_CAC_CTRL, reg);
3158 
3159 	for (i = 0; i < NISLANDS_DCCAC_MAX_LEVELS; i++)
3160 		ni_pi->dc_cac_table[i] = ni_pi->cac_weights->dc_cac[i];
3161 
3162 	for (i = 0; i < SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES; i++)
3163 		cac_tables->cac_bif_lut[i] = ni_pi->cac_weights->pcie_cac[i];
3164 
3165 	ni_pi->cac_data.i_leakage = rdev->pm.dpm.cac_leakage;
3166 	ni_pi->cac_data.pwr_const = 0;
3167 	ni_pi->cac_data.dc_cac_value = ni_pi->dc_cac_table[NISLANDS_DCCAC_LEVEL_0];
3168 	ni_pi->cac_data.bif_cac_value = 0;
3169 	ni_pi->cac_data.mc_wr_weight = ni_pi->cac_weights->mc_write_weight;
3170 	ni_pi->cac_data.mc_rd_weight = ni_pi->cac_weights->mc_read_weight;
3171 	ni_pi->cac_data.allow_ovrflw = 0;
3172 	ni_pi->cac_data.l2num_win_tdp = ni_pi->lta_window_size;
3173 	ni_pi->cac_data.num_win_tdp = 0;
3174 	ni_pi->cac_data.lts_truncate_n = ni_pi->lts_truncate;
3175 
3176 	if (ni_pi->driver_calculate_cac_leakage)
3177 		ret = ni_init_driver_calculated_leakage_table(rdev, cac_tables);
3178 	else
3179 		ret = ni_init_simplified_leakage_table(rdev, cac_tables);
3180 
3181 	if (ret)
3182 		goto done_free;
3183 
3184 	cac_tables->pwr_const      = cpu_to_be32(ni_pi->cac_data.pwr_const);
3185 	cac_tables->dc_cacValue    = cpu_to_be32(ni_pi->cac_data.dc_cac_value);
3186 	cac_tables->bif_cacValue   = cpu_to_be32(ni_pi->cac_data.bif_cac_value);
3187 	cac_tables->AllowOvrflw    = ni_pi->cac_data.allow_ovrflw;
3188 	cac_tables->MCWrWeight     = ni_pi->cac_data.mc_wr_weight;
3189 	cac_tables->MCRdWeight     = ni_pi->cac_data.mc_rd_weight;
3190 	cac_tables->numWin_TDP     = ni_pi->cac_data.num_win_tdp;
3191 	cac_tables->l2numWin_TDP   = ni_pi->cac_data.l2num_win_tdp;
3192 	cac_tables->lts_truncate_n = ni_pi->cac_data.lts_truncate_n;
3193 
3194 	ret = rv770_copy_bytes_to_smc(rdev, ni_pi->cac_table_start, (u8 *)cac_tables,
3195 				      sizeof(PP_NIslands_CACTABLES), pi->sram_end);
3196 
3197 done_free:
3198 	if (ret) {
3199 		ni_pi->enable_cac = false;
3200 		ni_pi->enable_power_containment = false;
3201 	}
3202 
3203 	kfree(cac_tables);
3204 
3205 	return 0;
3206 }
3207 
3208 static int ni_initialize_hardware_cac_manager(struct radeon_device *rdev)
3209 {
3210 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3211 	u32 reg;
3212 
3213 	if (!ni_pi->enable_cac ||
3214 	    !ni_pi->cac_configuration_required)
3215 		return 0;
3216 
3217 	if (ni_pi->cac_weights == NULL)
3218 		return -EINVAL;
3219 
3220 	reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_0) & ~(WEIGHT_TCP_SIG0_MASK |
3221 						      WEIGHT_TCP_SIG1_MASK |
3222 						      WEIGHT_TA_SIG_MASK);
3223 	reg |= (WEIGHT_TCP_SIG0(ni_pi->cac_weights->weight_tcp_sig0) |
3224 		WEIGHT_TCP_SIG1(ni_pi->cac_weights->weight_tcp_sig1) |
3225 		WEIGHT_TA_SIG(ni_pi->cac_weights->weight_ta_sig));
3226 	WREG32_CG(CG_CAC_REGION_1_WEIGHT_0, reg);
3227 
3228 	reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_1) & ~(WEIGHT_TCC_EN0_MASK |
3229 						      WEIGHT_TCC_EN1_MASK |
3230 						      WEIGHT_TCC_EN2_MASK);
3231 	reg |= (WEIGHT_TCC_EN0(ni_pi->cac_weights->weight_tcc_en0) |
3232 		WEIGHT_TCC_EN1(ni_pi->cac_weights->weight_tcc_en1) |
3233 		WEIGHT_TCC_EN2(ni_pi->cac_weights->weight_tcc_en2));
3234 	WREG32_CG(CG_CAC_REGION_1_WEIGHT_1, reg);
3235 
3236 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_0) & ~(WEIGHT_CB_EN0_MASK |
3237 						      WEIGHT_CB_EN1_MASK |
3238 						      WEIGHT_CB_EN2_MASK |
3239 						      WEIGHT_CB_EN3_MASK);
3240 	reg |= (WEIGHT_CB_EN0(ni_pi->cac_weights->weight_cb_en0) |
3241 		WEIGHT_CB_EN1(ni_pi->cac_weights->weight_cb_en1) |
3242 		WEIGHT_CB_EN2(ni_pi->cac_weights->weight_cb_en2) |
3243 		WEIGHT_CB_EN3(ni_pi->cac_weights->weight_cb_en3));
3244 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_0, reg);
3245 
3246 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_1) & ~(WEIGHT_DB_SIG0_MASK |
3247 						      WEIGHT_DB_SIG1_MASK |
3248 						      WEIGHT_DB_SIG2_MASK |
3249 						      WEIGHT_DB_SIG3_MASK);
3250 	reg |= (WEIGHT_DB_SIG0(ni_pi->cac_weights->weight_db_sig0) |
3251 		WEIGHT_DB_SIG1(ni_pi->cac_weights->weight_db_sig1) |
3252 		WEIGHT_DB_SIG2(ni_pi->cac_weights->weight_db_sig2) |
3253 		WEIGHT_DB_SIG3(ni_pi->cac_weights->weight_db_sig3));
3254 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_1, reg);
3255 
3256 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_2) & ~(WEIGHT_SXM_SIG0_MASK |
3257 						      WEIGHT_SXM_SIG1_MASK |
3258 						      WEIGHT_SXM_SIG2_MASK |
3259 						      WEIGHT_SXS_SIG0_MASK |
3260 						      WEIGHT_SXS_SIG1_MASK);
3261 	reg |= (WEIGHT_SXM_SIG0(ni_pi->cac_weights->weight_sxm_sig0) |
3262 		WEIGHT_SXM_SIG1(ni_pi->cac_weights->weight_sxm_sig1) |
3263 		WEIGHT_SXM_SIG2(ni_pi->cac_weights->weight_sxm_sig2) |
3264 		WEIGHT_SXS_SIG0(ni_pi->cac_weights->weight_sxs_sig0) |
3265 		WEIGHT_SXS_SIG1(ni_pi->cac_weights->weight_sxs_sig1));
3266 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_2, reg);
3267 
3268 	reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_0) & ~(WEIGHT_XBR_0_MASK |
3269 						      WEIGHT_XBR_1_MASK |
3270 						      WEIGHT_XBR_2_MASK |
3271 						      WEIGHT_SPI_SIG0_MASK);
3272 	reg |= (WEIGHT_XBR_0(ni_pi->cac_weights->weight_xbr_0) |
3273 		WEIGHT_XBR_1(ni_pi->cac_weights->weight_xbr_1) |
3274 		WEIGHT_XBR_2(ni_pi->cac_weights->weight_xbr_2) |
3275 		WEIGHT_SPI_SIG0(ni_pi->cac_weights->weight_spi_sig0));
3276 	WREG32_CG(CG_CAC_REGION_3_WEIGHT_0, reg);
3277 
3278 	reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_1) & ~(WEIGHT_SPI_SIG1_MASK |
3279 						      WEIGHT_SPI_SIG2_MASK |
3280 						      WEIGHT_SPI_SIG3_MASK |
3281 						      WEIGHT_SPI_SIG4_MASK |
3282 						      WEIGHT_SPI_SIG5_MASK);
3283 	reg |= (WEIGHT_SPI_SIG1(ni_pi->cac_weights->weight_spi_sig1) |
3284 		WEIGHT_SPI_SIG2(ni_pi->cac_weights->weight_spi_sig2) |
3285 		WEIGHT_SPI_SIG3(ni_pi->cac_weights->weight_spi_sig3) |
3286 		WEIGHT_SPI_SIG4(ni_pi->cac_weights->weight_spi_sig4) |
3287 		WEIGHT_SPI_SIG5(ni_pi->cac_weights->weight_spi_sig5));
3288 	WREG32_CG(CG_CAC_REGION_3_WEIGHT_1, reg);
3289 
3290 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_0) & ~(WEIGHT_LDS_SIG0_MASK |
3291 						      WEIGHT_LDS_SIG1_MASK |
3292 						      WEIGHT_SC_MASK);
3293 	reg |= (WEIGHT_LDS_SIG0(ni_pi->cac_weights->weight_lds_sig0) |
3294 		WEIGHT_LDS_SIG1(ni_pi->cac_weights->weight_lds_sig1) |
3295 		WEIGHT_SC(ni_pi->cac_weights->weight_sc));
3296 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_0, reg);
3297 
3298 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_1) & ~(WEIGHT_BIF_MASK |
3299 						      WEIGHT_CP_MASK |
3300 						      WEIGHT_PA_SIG0_MASK |
3301 						      WEIGHT_PA_SIG1_MASK |
3302 						      WEIGHT_VGT_SIG0_MASK);
3303 	reg |= (WEIGHT_BIF(ni_pi->cac_weights->weight_bif) |
3304 		WEIGHT_CP(ni_pi->cac_weights->weight_cp) |
3305 		WEIGHT_PA_SIG0(ni_pi->cac_weights->weight_pa_sig0) |
3306 		WEIGHT_PA_SIG1(ni_pi->cac_weights->weight_pa_sig1) |
3307 		WEIGHT_VGT_SIG0(ni_pi->cac_weights->weight_vgt_sig0));
3308 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_1, reg);
3309 
3310 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_2) & ~(WEIGHT_VGT_SIG1_MASK |
3311 						      WEIGHT_VGT_SIG2_MASK |
3312 						      WEIGHT_DC_SIG0_MASK |
3313 						      WEIGHT_DC_SIG1_MASK |
3314 						      WEIGHT_DC_SIG2_MASK);
3315 	reg |= (WEIGHT_VGT_SIG1(ni_pi->cac_weights->weight_vgt_sig1) |
3316 		WEIGHT_VGT_SIG2(ni_pi->cac_weights->weight_vgt_sig2) |
3317 		WEIGHT_DC_SIG0(ni_pi->cac_weights->weight_dc_sig0) |
3318 		WEIGHT_DC_SIG1(ni_pi->cac_weights->weight_dc_sig1) |
3319 		WEIGHT_DC_SIG2(ni_pi->cac_weights->weight_dc_sig2));
3320 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_2, reg);
3321 
3322 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_3) & ~(WEIGHT_DC_SIG3_MASK |
3323 						      WEIGHT_UVD_SIG0_MASK |
3324 						      WEIGHT_UVD_SIG1_MASK |
3325 						      WEIGHT_SPARE0_MASK |
3326 						      WEIGHT_SPARE1_MASK);
3327 	reg |= (WEIGHT_DC_SIG3(ni_pi->cac_weights->weight_dc_sig3) |
3328 		WEIGHT_UVD_SIG0(ni_pi->cac_weights->weight_uvd_sig0) |
3329 		WEIGHT_UVD_SIG1(ni_pi->cac_weights->weight_uvd_sig1) |
3330 		WEIGHT_SPARE0(ni_pi->cac_weights->weight_spare0) |
3331 		WEIGHT_SPARE1(ni_pi->cac_weights->weight_spare1));
3332 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_3, reg);
3333 
3334 	reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_0) & ~(WEIGHT_SQ_VSP_MASK |
3335 						      WEIGHT_SQ_VSP0_MASK);
3336 	reg |= (WEIGHT_SQ_VSP(ni_pi->cac_weights->weight_sq_vsp) |
3337 		WEIGHT_SQ_VSP0(ni_pi->cac_weights->weight_sq_vsp0));
3338 	WREG32_CG(CG_CAC_REGION_5_WEIGHT_0, reg);
3339 
3340 	reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_1) & ~(WEIGHT_SQ_GPR_MASK);
3341 	reg |= WEIGHT_SQ_GPR(ni_pi->cac_weights->weight_sq_gpr);
3342 	WREG32_CG(CG_CAC_REGION_5_WEIGHT_1, reg);
3343 
3344 	reg = RREG32_CG(CG_CAC_REGION_4_OVERRIDE_4) & ~(OVR_MODE_SPARE_0_MASK |
3345 							OVR_VAL_SPARE_0_MASK |
3346 							OVR_MODE_SPARE_1_MASK |
3347 							OVR_VAL_SPARE_1_MASK);
3348 	reg |= (OVR_MODE_SPARE_0(ni_pi->cac_weights->ovr_mode_spare_0) |
3349 		OVR_VAL_SPARE_0(ni_pi->cac_weights->ovr_val_spare_0) |
3350 		OVR_MODE_SPARE_1(ni_pi->cac_weights->ovr_mode_spare_1) |
3351 		OVR_VAL_SPARE_1(ni_pi->cac_weights->ovr_val_spare_1));
3352 	WREG32_CG(CG_CAC_REGION_4_OVERRIDE_4, reg);
3353 
3354 	reg = RREG32(SQ_CAC_THRESHOLD) & ~(VSP_MASK |
3355 					   VSP0_MASK |
3356 					   GPR_MASK);
3357 	reg |= (VSP(ni_pi->cac_weights->vsp) |
3358 		VSP0(ni_pi->cac_weights->vsp0) |
3359 		GPR(ni_pi->cac_weights->gpr));
3360 	WREG32(SQ_CAC_THRESHOLD, reg);
3361 
3362 	reg = (MCDW_WR_ENABLE |
3363 	       MCDX_WR_ENABLE |
3364 	       MCDY_WR_ENABLE |
3365 	       MCDZ_WR_ENABLE |
3366 	       INDEX(0x09D4));
3367 	WREG32(MC_CG_CONFIG, reg);
3368 
3369 	reg = (READ_WEIGHT(ni_pi->cac_weights->mc_read_weight) |
3370 	       WRITE_WEIGHT(ni_pi->cac_weights->mc_write_weight) |
3371 	       ALLOW_OVERFLOW);
3372 	WREG32(MC_CG_DATAPORT, reg);
3373 
3374 	return 0;
3375 }
3376 
3377 static int ni_enable_smc_cac(struct radeon_device *rdev,
3378 			     struct radeon_ps *radeon_new_state,
3379 			     bool enable)
3380 {
3381 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3382 	int ret = 0;
3383 	PPSMC_Result smc_result;
3384 
3385 	if (ni_pi->enable_cac) {
3386 		if (enable) {
3387 			if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
3388 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_CollectCAC_PowerCorreln);
3389 
3390 				if (ni_pi->support_cac_long_term_average) {
3391 					smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgEnable);
3392 					if (PPSMC_Result_OK != smc_result)
3393 						ni_pi->support_cac_long_term_average = false;
3394 				}
3395 
3396 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableCac);
3397 				if (PPSMC_Result_OK != smc_result)
3398 					ret = -EINVAL;
3399 
3400 				ni_pi->cac_enabled = (PPSMC_Result_OK == smc_result) ? true : false;
3401 			}
3402 		} else if (ni_pi->cac_enabled) {
3403 			smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac);
3404 
3405 			ni_pi->cac_enabled = false;
3406 
3407 			if (ni_pi->support_cac_long_term_average) {
3408 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgDisable);
3409 				if (PPSMC_Result_OK != smc_result)
3410 					ni_pi->support_cac_long_term_average = false;
3411 			}
3412 		}
3413 	}
3414 
3415 	return ret;
3416 }
3417 
3418 static int ni_pcie_performance_request(struct radeon_device *rdev,
3419 				       u8 perf_req, bool advertise)
3420 {
3421 #if defined(CONFIG_ACPI)
3422 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3423 
3424 	if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) ||
3425 	    (perf_req == PCIE_PERF_REQ_PECI_GEN2)) {
3426 		if (eg_pi->pcie_performance_request_registered == false)
3427 			radeon_acpi_pcie_notify_device_ready(rdev);
3428 		eg_pi->pcie_performance_request_registered = true;
3429 		return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
3430 	} else if ((perf_req == PCIE_PERF_REQ_REMOVE_REGISTRY) &&
3431 		    eg_pi->pcie_performance_request_registered) {
3432 		eg_pi->pcie_performance_request_registered = false;
3433 		return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
3434 	}
3435 #endif
3436 	return 0;
3437 }
3438 
3439 static int ni_advertise_gen2_capability(struct radeon_device *rdev)
3440 {
3441 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3442 	u32 tmp;
3443 
3444 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
3445 
3446 	if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3447 	    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2))
3448 		pi->pcie_gen2 = true;
3449 	else
3450 		pi->pcie_gen2 = false;
3451 
3452 	if (!pi->pcie_gen2)
3453 		ni_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, true);
3454 
3455 	return 0;
3456 }
3457 
3458 static void ni_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
3459 					    bool enable)
3460 {
3461 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3462 	u32 tmp, bif;
3463 
3464 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
3465 
3466 	if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3467 	    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3468 		if (enable) {
3469 			if (!pi->boot_in_gen2) {
3470 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
3471 				bif |= CG_CLIENT_REQ(0xd);
3472 				WREG32(CG_BIF_REQ_AND_RSP, bif);
3473 			}
3474 			tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
3475 			tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
3476 			tmp |= LC_GEN2_EN_STRAP;
3477 
3478 			tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3479 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3480 			udelay(10);
3481 			tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3482 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3483 		} else {
3484 			if (!pi->boot_in_gen2) {
3485 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
3486 				bif |= CG_CLIENT_REQ(0xd);
3487 				WREG32(CG_BIF_REQ_AND_RSP, bif);
3488 
3489 				tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
3490 				tmp &= ~LC_GEN2_EN_STRAP;
3491 			}
3492 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3493 		}
3494 	}
3495 }
3496 
3497 static void ni_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
3498 					bool enable)
3499 {
3500 	ni_enable_bif_dynamic_pcie_gen2(rdev, enable);
3501 
3502 	if (enable)
3503 		WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
3504 	else
3505 		WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
3506 }
3507 
3508 void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
3509 					   struct radeon_ps *new_ps,
3510 					   struct radeon_ps *old_ps)
3511 {
3512 	struct ni_ps *new_state = ni_get_ps(new_ps);
3513 	struct ni_ps *current_state = ni_get_ps(old_ps);
3514 
3515 	if ((new_ps->vclk == old_ps->vclk) &&
3516 	    (new_ps->dclk == old_ps->dclk))
3517 		return;
3518 
3519 	if (new_state->performance_levels[new_state->performance_level_count - 1].sclk >=
3520 	    current_state->performance_levels[current_state->performance_level_count - 1].sclk)
3521 		return;
3522 
3523 	radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
3524 }
3525 
3526 void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
3527 					  struct radeon_ps *new_ps,
3528 					  struct radeon_ps *old_ps)
3529 {
3530 	struct ni_ps *new_state = ni_get_ps(new_ps);
3531 	struct ni_ps *current_state = ni_get_ps(old_ps);
3532 
3533 	if ((new_ps->vclk == old_ps->vclk) &&
3534 	    (new_ps->dclk == old_ps->dclk))
3535 		return;
3536 
3537 	if (new_state->performance_levels[new_state->performance_level_count - 1].sclk <
3538 	    current_state->performance_levels[current_state->performance_level_count - 1].sclk)
3539 		return;
3540 
3541 	radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
3542 }
3543 
3544 void ni_dpm_setup_asic(struct radeon_device *rdev)
3545 {
3546 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3547 	int r;
3548 
3549 	r = ni_mc_load_microcode(rdev);
3550 	if (r)
3551 		DRM_ERROR("Failed to load MC firmware!\n");
3552 	ni_read_clock_registers(rdev);
3553 	btc_read_arb_registers(rdev);
3554 	rv770_get_memory_type(rdev);
3555 	if (eg_pi->pcie_performance_request)
3556 		ni_advertise_gen2_capability(rdev);
3557 	rv770_get_pcie_gen2_status(rdev);
3558 	rv770_enable_acpi_pm(rdev);
3559 }
3560 
3561 void ni_update_current_ps(struct radeon_device *rdev,
3562 			  struct radeon_ps *rps)
3563 {
3564 	struct ni_ps *new_ps = ni_get_ps(rps);
3565 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3566 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3567 
3568 	eg_pi->current_rps = *rps;
3569 	ni_pi->current_ps = *new_ps;
3570 	eg_pi->current_rps.ps_priv = &ni_pi->current_ps;
3571 }
3572 
3573 void ni_update_requested_ps(struct radeon_device *rdev,
3574 			    struct radeon_ps *rps)
3575 {
3576 	struct ni_ps *new_ps = ni_get_ps(rps);
3577 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3578 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3579 
3580 	eg_pi->requested_rps = *rps;
3581 	ni_pi->requested_ps = *new_ps;
3582 	eg_pi->requested_rps.ps_priv = &ni_pi->requested_ps;
3583 }
3584 
3585 int ni_dpm_enable(struct radeon_device *rdev)
3586 {
3587 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3588 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3589 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
3590 	int ret;
3591 
3592 	if (pi->gfx_clock_gating)
3593 		ni_cg_clockgating_default(rdev);
3594 	if (btc_dpm_enabled(rdev))
3595 		return -EINVAL;
3596 	if (pi->mg_clock_gating)
3597 		ni_mg_clockgating_default(rdev);
3598 	if (eg_pi->ls_clock_gating)
3599 		ni_ls_clockgating_default(rdev);
3600 	if (pi->voltage_control) {
3601 		rv770_enable_voltage_control(rdev, true);
3602 		ret = cypress_construct_voltage_tables(rdev);
3603 		if (ret) {
3604 			DRM_ERROR("cypress_construct_voltage_tables failed\n");
3605 			return ret;
3606 		}
3607 	}
3608 	if (eg_pi->dynamic_ac_timing) {
3609 		ret = ni_initialize_mc_reg_table(rdev);
3610 		if (ret)
3611 			eg_pi->dynamic_ac_timing = false;
3612 	}
3613 	if (pi->dynamic_ss)
3614 		cypress_enable_spread_spectrum(rdev, true);
3615 	if (pi->thermal_protection)
3616 		rv770_enable_thermal_protection(rdev, true);
3617 	rv770_setup_bsp(rdev);
3618 	rv770_program_git(rdev);
3619 	rv770_program_tp(rdev);
3620 	rv770_program_tpp(rdev);
3621 	rv770_program_sstp(rdev);
3622 	cypress_enable_display_gap(rdev);
3623 	rv770_program_vc(rdev);
3624 	if (pi->dynamic_pcie_gen2)
3625 		ni_enable_dynamic_pcie_gen2(rdev, true);
3626 	ret = rv770_upload_firmware(rdev);
3627 	if (ret) {
3628 		DRM_ERROR("rv770_upload_firmware failed\n");
3629 		return ret;
3630 	}
3631 	ret = ni_process_firmware_header(rdev);
3632 	if (ret) {
3633 		DRM_ERROR("ni_process_firmware_header failed\n");
3634 		return ret;
3635 	}
3636 	ret = ni_initial_switch_from_arb_f0_to_f1(rdev);
3637 	if (ret) {
3638 		DRM_ERROR("ni_initial_switch_from_arb_f0_to_f1 failed\n");
3639 		return ret;
3640 	}
3641 	ret = ni_init_smc_table(rdev);
3642 	if (ret) {
3643 		DRM_ERROR("ni_init_smc_table failed\n");
3644 		return ret;
3645 	}
3646 	ret = ni_init_smc_spll_table(rdev);
3647 	if (ret) {
3648 		DRM_ERROR("ni_init_smc_spll_table failed\n");
3649 		return ret;
3650 	}
3651 	ret = ni_init_arb_table_index(rdev);
3652 	if (ret) {
3653 		DRM_ERROR("ni_init_arb_table_index failed\n");
3654 		return ret;
3655 	}
3656 	if (eg_pi->dynamic_ac_timing) {
3657 		ret = ni_populate_mc_reg_table(rdev, boot_ps);
3658 		if (ret) {
3659 			DRM_ERROR("ni_populate_mc_reg_table failed\n");
3660 			return ret;
3661 		}
3662 	}
3663 	ret = ni_initialize_smc_cac_tables(rdev);
3664 	if (ret) {
3665 		DRM_ERROR("ni_initialize_smc_cac_tables failed\n");
3666 		return ret;
3667 	}
3668 	ret = ni_initialize_hardware_cac_manager(rdev);
3669 	if (ret) {
3670 		DRM_ERROR("ni_initialize_hardware_cac_manager failed\n");
3671 		return ret;
3672 	}
3673 	ret = ni_populate_smc_tdp_limits(rdev, boot_ps);
3674 	if (ret) {
3675 		DRM_ERROR("ni_populate_smc_tdp_limits failed\n");
3676 		return ret;
3677 	}
3678 	ni_program_response_times(rdev);
3679 	r7xx_start_smc(rdev);
3680 	ret = cypress_notify_smc_display_change(rdev, false);
3681 	if (ret) {
3682 		DRM_ERROR("cypress_notify_smc_display_change failed\n");
3683 		return ret;
3684 	}
3685 	cypress_enable_sclk_control(rdev, true);
3686 	if (eg_pi->memory_transition)
3687 		cypress_enable_mclk_control(rdev, true);
3688 	cypress_start_dpm(rdev);
3689 	if (pi->gfx_clock_gating)
3690 		ni_gfx_clockgating_enable(rdev, true);
3691 	if (pi->mg_clock_gating)
3692 		ni_mg_clockgating_enable(rdev, true);
3693 	if (eg_pi->ls_clock_gating)
3694 		ni_ls_clockgating_enable(rdev, true);
3695 
3696 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
3697 
3698 	ni_update_current_ps(rdev, boot_ps);
3699 
3700 	return 0;
3701 }
3702 
3703 void ni_dpm_disable(struct radeon_device *rdev)
3704 {
3705 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3706 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3707 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
3708 
3709 	if (!btc_dpm_enabled(rdev))
3710 		return;
3711 	rv770_clear_vc(rdev);
3712 	if (pi->thermal_protection)
3713 		rv770_enable_thermal_protection(rdev, false);
3714 	ni_enable_power_containment(rdev, boot_ps, false);
3715 	ni_enable_smc_cac(rdev, boot_ps, false);
3716 	cypress_enable_spread_spectrum(rdev, false);
3717 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
3718 	if (pi->dynamic_pcie_gen2)
3719 		ni_enable_dynamic_pcie_gen2(rdev, false);
3720 
3721 	if (rdev->irq.installed &&
3722 	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
3723 		rdev->irq.dpm_thermal = false;
3724 		radeon_irq_set(rdev);
3725 	}
3726 
3727 	if (pi->gfx_clock_gating)
3728 		ni_gfx_clockgating_enable(rdev, false);
3729 	if (pi->mg_clock_gating)
3730 		ni_mg_clockgating_enable(rdev, false);
3731 	if (eg_pi->ls_clock_gating)
3732 		ni_ls_clockgating_enable(rdev, false);
3733 	ni_stop_dpm(rdev);
3734 	btc_reset_to_default(rdev);
3735 	ni_stop_smc(rdev);
3736 	ni_force_switch_to_arb_f0(rdev);
3737 
3738 	ni_update_current_ps(rdev, boot_ps);
3739 }
3740 
3741 static int ni_power_control_set_level(struct radeon_device *rdev)
3742 {
3743 	struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
3744 	int ret;
3745 
3746 	ret = ni_restrict_performance_levels_before_switch(rdev);
3747 	if (ret)
3748 		return ret;
3749 	ret = rv770_halt_smc(rdev);
3750 	if (ret)
3751 		return ret;
3752 	ret = ni_populate_smc_tdp_limits(rdev, new_ps);
3753 	if (ret)
3754 		return ret;
3755 	ret = rv770_resume_smc(rdev);
3756 	if (ret)
3757 		return ret;
3758 	ret = rv770_set_sw_state(rdev);
3759 	if (ret)
3760 		return ret;
3761 
3762 	return 0;
3763 }
3764 
3765 int ni_dpm_pre_set_power_state(struct radeon_device *rdev)
3766 {
3767 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3768 	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
3769 	struct radeon_ps *new_ps = &requested_ps;
3770 
3771 	ni_update_requested_ps(rdev, new_ps);
3772 
3773 	ni_apply_state_adjust_rules(rdev, &eg_pi->requested_rps);
3774 
3775 	return 0;
3776 }
3777 
3778 int ni_dpm_set_power_state(struct radeon_device *rdev)
3779 {
3780 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3781 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
3782 	struct radeon_ps *old_ps = &eg_pi->current_rps;
3783 	int ret;
3784 
3785 	ret = ni_restrict_performance_levels_before_switch(rdev);
3786 	if (ret) {
3787 		DRM_ERROR("ni_restrict_performance_levels_before_switch failed\n");
3788 		return ret;
3789 	}
3790 	ni_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
3791 	ret = ni_enable_power_containment(rdev, new_ps, false);
3792 	if (ret) {
3793 		DRM_ERROR("ni_enable_power_containment failed\n");
3794 		return ret;
3795 	}
3796 	ret = ni_enable_smc_cac(rdev, new_ps, false);
3797 	if (ret) {
3798 		DRM_ERROR("ni_enable_smc_cac failed\n");
3799 		return ret;
3800 	}
3801 	ret = rv770_halt_smc(rdev);
3802 	if (ret) {
3803 		DRM_ERROR("rv770_halt_smc failed\n");
3804 		return ret;
3805 	}
3806 	if (eg_pi->smu_uvd_hs)
3807 		btc_notify_uvd_to_smc(rdev, new_ps);
3808 	ret = ni_upload_sw_state(rdev, new_ps);
3809 	if (ret) {
3810 		DRM_ERROR("ni_upload_sw_state failed\n");
3811 		return ret;
3812 	}
3813 	if (eg_pi->dynamic_ac_timing) {
3814 		ret = ni_upload_mc_reg_table(rdev, new_ps);
3815 		if (ret) {
3816 			DRM_ERROR("ni_upload_mc_reg_table failed\n");
3817 			return ret;
3818 		}
3819 	}
3820 	ret = ni_program_memory_timing_parameters(rdev, new_ps);
3821 	if (ret) {
3822 		DRM_ERROR("ni_program_memory_timing_parameters failed\n");
3823 		return ret;
3824 	}
3825 	ret = rv770_resume_smc(rdev);
3826 	if (ret) {
3827 		DRM_ERROR("rv770_resume_smc failed\n");
3828 		return ret;
3829 	}
3830 	ret = rv770_set_sw_state(rdev);
3831 	if (ret) {
3832 		DRM_ERROR("rv770_set_sw_state failed\n");
3833 		return ret;
3834 	}
3835 	ni_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
3836 	ret = ni_enable_smc_cac(rdev, new_ps, true);
3837 	if (ret) {
3838 		DRM_ERROR("ni_enable_smc_cac failed\n");
3839 		return ret;
3840 	}
3841 	ret = ni_enable_power_containment(rdev, new_ps, true);
3842 	if (ret) {
3843 		DRM_ERROR("ni_enable_power_containment failed\n");
3844 		return ret;
3845 	}
3846 
3847 	/* update tdp */
3848 	ret = ni_power_control_set_level(rdev);
3849 	if (ret) {
3850 		DRM_ERROR("ni_power_control_set_level failed\n");
3851 		return ret;
3852 	}
3853 
3854 	return 0;
3855 }
3856 
3857 void ni_dpm_post_set_power_state(struct radeon_device *rdev)
3858 {
3859 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3860 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
3861 
3862 	ni_update_current_ps(rdev, new_ps);
3863 }
3864 
3865 #if 0
3866 void ni_dpm_reset_asic(struct radeon_device *rdev)
3867 {
3868 	ni_restrict_performance_levels_before_switch(rdev);
3869 	rv770_set_boot_state(rdev);
3870 }
3871 #endif
3872 
3873 union power_info {
3874 	struct _ATOM_POWERPLAY_INFO info;
3875 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
3876 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
3877 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
3878 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
3879 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
3880 };
3881 
3882 union pplib_clock_info {
3883 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
3884 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
3885 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
3886 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
3887 };
3888 
3889 union pplib_power_state {
3890 	struct _ATOM_PPLIB_STATE v1;
3891 	struct _ATOM_PPLIB_STATE_V2 v2;
3892 };
3893 
3894 static void ni_parse_pplib_non_clock_info(struct radeon_device *rdev,
3895 					  struct radeon_ps *rps,
3896 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
3897 					  u8 table_rev)
3898 {
3899 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
3900 	rps->class = le16_to_cpu(non_clock_info->usClassification);
3901 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
3902 
3903 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
3904 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
3905 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
3906 	} else if (r600_is_uvd_state(rps->class, rps->class2)) {
3907 		rps->vclk = RV770_DEFAULT_VCLK_FREQ;
3908 		rps->dclk = RV770_DEFAULT_DCLK_FREQ;
3909 	} else {
3910 		rps->vclk = 0;
3911 		rps->dclk = 0;
3912 	}
3913 
3914 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
3915 		rdev->pm.dpm.boot_ps = rps;
3916 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
3917 		rdev->pm.dpm.uvd_ps = rps;
3918 }
3919 
3920 static void ni_parse_pplib_clock_info(struct radeon_device *rdev,
3921 				      struct radeon_ps *rps, int index,
3922 				      union pplib_clock_info *clock_info)
3923 {
3924 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3925 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3926 	struct ni_ps *ps = ni_get_ps(rps);
3927 	struct rv7xx_pl *pl = &ps->performance_levels[index];
3928 
3929 	ps->performance_level_count = index + 1;
3930 
3931 	pl->sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
3932 	pl->sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
3933 	pl->mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
3934 	pl->mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
3935 
3936 	pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
3937 	pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
3938 	pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);
3939 
3940 	/* patch up vddc if necessary */
3941 	if (pl->vddc == 0xff01) {
3942 		if (pi->max_vddc)
3943 			pl->vddc = pi->max_vddc;
3944 	}
3945 
3946 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
3947 		pi->acpi_vddc = pl->vddc;
3948 		eg_pi->acpi_vddci = pl->vddci;
3949 		if (ps->performance_levels[0].flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2)
3950 			pi->acpi_pcie_gen2 = true;
3951 		else
3952 			pi->acpi_pcie_gen2 = false;
3953 	}
3954 
3955 	if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
3956 		eg_pi->ulv.supported = true;
3957 		eg_pi->ulv.pl = pl;
3958 	}
3959 
3960 	if (pi->min_vddc_in_table > pl->vddc)
3961 		pi->min_vddc_in_table = pl->vddc;
3962 
3963 	if (pi->max_vddc_in_table < pl->vddc)
3964 		pi->max_vddc_in_table = pl->vddc;
3965 
3966 	/* patch up boot state */
3967 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
3968 		u16 vddc, vddci, mvdd;
3969 		radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
3970 		pl->mclk = rdev->clock.default_mclk;
3971 		pl->sclk = rdev->clock.default_sclk;
3972 		pl->vddc = vddc;
3973 		pl->vddci = vddci;
3974 	}
3975 
3976 	if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
3977 	    ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
3978 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
3979 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
3980 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
3981 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
3982 	}
3983 }
3984 
3985 static int ni_parse_power_table(struct radeon_device *rdev)
3986 {
3987 	struct radeon_mode_info *mode_info = &rdev->mode_info;
3988 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
3989 	union pplib_power_state *power_state;
3990 	int i, j;
3991 	union pplib_clock_info *clock_info;
3992 	union power_info *power_info;
3993 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
3994 	u16 data_offset;
3995 	u8 frev, crev;
3996 	struct ni_ps *ps;
3997 
3998 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
3999 				   &frev, &crev, &data_offset))
4000 		return -EINVAL;
4001 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
4002 
4003 	rdev->pm.dpm.ps = kcalloc(power_info->pplib.ucNumStates,
4004 				  sizeof(struct radeon_ps),
4005 				  GFP_KERNEL);
4006 	if (!rdev->pm.dpm.ps)
4007 		return -ENOMEM;
4008 
4009 	for (i = 0; i < power_info->pplib.ucNumStates; i++) {
4010 		power_state = (union pplib_power_state *)
4011 			(mode_info->atom_context->bios + data_offset +
4012 			 le16_to_cpu(power_info->pplib.usStateArrayOffset) +
4013 			 i * power_info->pplib.ucStateEntrySize);
4014 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
4015 			(mode_info->atom_context->bios + data_offset +
4016 			 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
4017 			 (power_state->v1.ucNonClockStateIndex *
4018 			  power_info->pplib.ucNonClockSize));
4019 		if (power_info->pplib.ucStateEntrySize - 1) {
4020 			u8 *idx;
4021 			ps = kzalloc(sizeof(struct ni_ps), GFP_KERNEL);
4022 			if (ps == NULL) {
4023 				kfree(rdev->pm.dpm.ps);
4024 				return -ENOMEM;
4025 			}
4026 			rdev->pm.dpm.ps[i].ps_priv = ps;
4027 			ni_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
4028 							 non_clock_info,
4029 							 power_info->pplib.ucNonClockSize);
4030 			idx = (u8 *)&power_state->v1.ucClockStateIndices[0];
4031 			for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
4032 				clock_info = (union pplib_clock_info *)
4033 					(mode_info->atom_context->bios + data_offset +
4034 					 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
4035 					 (idx[j] * power_info->pplib.ucClockInfoSize));
4036 				ni_parse_pplib_clock_info(rdev,
4037 							  &rdev->pm.dpm.ps[i], j,
4038 							  clock_info);
4039 			}
4040 		}
4041 	}
4042 	rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
4043 	return 0;
4044 }
4045 
4046 int ni_dpm_init(struct radeon_device *rdev)
4047 {
4048 	struct rv7xx_power_info *pi;
4049 	struct evergreen_power_info *eg_pi;
4050 	struct ni_power_info *ni_pi;
4051 	struct atom_clock_dividers dividers;
4052 	int ret;
4053 
4054 	ni_pi = kzalloc(sizeof(struct ni_power_info), GFP_KERNEL);
4055 	if (ni_pi == NULL)
4056 		return -ENOMEM;
4057 	rdev->pm.dpm.priv = ni_pi;
4058 	eg_pi = &ni_pi->eg;
4059 	pi = &eg_pi->rv7xx;
4060 
4061 	rv770_get_max_vddc(rdev);
4062 
4063 	eg_pi->ulv.supported = false;
4064 	pi->acpi_vddc = 0;
4065 	eg_pi->acpi_vddci = 0;
4066 	pi->min_vddc_in_table = 0;
4067 	pi->max_vddc_in_table = 0;
4068 
4069 	ret = r600_get_platform_caps(rdev);
4070 	if (ret)
4071 		return ret;
4072 
4073 	ret = ni_parse_power_table(rdev);
4074 	if (ret)
4075 		return ret;
4076 	ret = r600_parse_extended_power_table(rdev);
4077 	if (ret)
4078 		return ret;
4079 
4080 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
4081 		kcalloc(4,
4082 			sizeof(struct radeon_clock_voltage_dependency_entry),
4083 			GFP_KERNEL);
4084 	if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
4085 		r600_free_extended_power_table(rdev);
4086 		return -ENOMEM;
4087 	}
4088 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
4089 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
4090 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
4091 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
4092 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720;
4093 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
4094 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810;
4095 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
4096 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900;
4097 
4098 	ni_patch_dependency_tables_based_on_leakage(rdev);
4099 
4100 	if (rdev->pm.dpm.voltage_response_time == 0)
4101 		rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
4102 	if (rdev->pm.dpm.backbias_response_time == 0)
4103 		rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
4104 
4105 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
4106 					     0, false, &dividers);
4107 	if (ret)
4108 		pi->ref_div = dividers.ref_div + 1;
4109 	else
4110 		pi->ref_div = R600_REFERENCEDIVIDER_DFLT;
4111 
4112 	pi->rlp = RV770_RLP_DFLT;
4113 	pi->rmp = RV770_RMP_DFLT;
4114 	pi->lhp = RV770_LHP_DFLT;
4115 	pi->lmp = RV770_LMP_DFLT;
4116 
4117 	eg_pi->ats[0].rlp = RV770_RLP_DFLT;
4118 	eg_pi->ats[0].rmp = RV770_RMP_DFLT;
4119 	eg_pi->ats[0].lhp = RV770_LHP_DFLT;
4120 	eg_pi->ats[0].lmp = RV770_LMP_DFLT;
4121 
4122 	eg_pi->ats[1].rlp = BTC_RLP_UVD_DFLT;
4123 	eg_pi->ats[1].rmp = BTC_RMP_UVD_DFLT;
4124 	eg_pi->ats[1].lhp = BTC_LHP_UVD_DFLT;
4125 	eg_pi->ats[1].lmp = BTC_LMP_UVD_DFLT;
4126 
4127 	eg_pi->smu_uvd_hs = true;
4128 
4129 	if (rdev->pdev->device == 0x6707) {
4130 		pi->mclk_strobe_mode_threshold = 55000;
4131 		pi->mclk_edc_enable_threshold = 55000;
4132 		eg_pi->mclk_edc_wr_enable_threshold = 55000;
4133 	} else {
4134 		pi->mclk_strobe_mode_threshold = 40000;
4135 		pi->mclk_edc_enable_threshold = 40000;
4136 		eg_pi->mclk_edc_wr_enable_threshold = 40000;
4137 	}
4138 	ni_pi->mclk_rtt_mode_threshold = eg_pi->mclk_edc_wr_enable_threshold;
4139 
4140 	pi->voltage_control =
4141 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
4142 
4143 	pi->mvdd_control =
4144 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
4145 
4146 	eg_pi->vddci_control =
4147 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
4148 
4149 	rv770_get_engine_memory_ss(rdev);
4150 
4151 	pi->asi = RV770_ASI_DFLT;
4152 	pi->pasi = CYPRESS_HASI_DFLT;
4153 	pi->vrc = CYPRESS_VRC_DFLT;
4154 
4155 	pi->power_gating = false;
4156 
4157 	pi->gfx_clock_gating = true;
4158 
4159 	pi->mg_clock_gating = true;
4160 	pi->mgcgtssm = true;
4161 	eg_pi->ls_clock_gating = false;
4162 	eg_pi->sclk_deep_sleep = false;
4163 
4164 	pi->dynamic_pcie_gen2 = true;
4165 
4166 	if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
4167 		pi->thermal_protection = true;
4168 	else
4169 		pi->thermal_protection = false;
4170 
4171 	pi->display_gap = true;
4172 
4173 	pi->dcodt = true;
4174 
4175 	pi->ulps = true;
4176 
4177 	eg_pi->dynamic_ac_timing = true;
4178 	eg_pi->abm = true;
4179 	eg_pi->mcls = true;
4180 	eg_pi->light_sleep = true;
4181 	eg_pi->memory_transition = true;
4182 #if defined(CONFIG_ACPI)
4183 	eg_pi->pcie_performance_request =
4184 		radeon_acpi_is_pcie_performance_request_supported(rdev);
4185 #else
4186 	eg_pi->pcie_performance_request = false;
4187 #endif
4188 
4189 	eg_pi->dll_default_on = false;
4190 
4191 	eg_pi->sclk_deep_sleep = false;
4192 
4193 	pi->mclk_stutter_mode_threshold = 0;
4194 
4195 	pi->sram_end = SMC_RAM_END;
4196 
4197 	rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 3;
4198 	rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
4199 	rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2 = 900;
4200 	rdev->pm.dpm.dyn_state.valid_sclk_values.count = ARRAY_SIZE(btc_valid_sclk);
4201 	rdev->pm.dpm.dyn_state.valid_sclk_values.values = btc_valid_sclk;
4202 	rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
4203 	rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
4204 	rdev->pm.dpm.dyn_state.sclk_mclk_delta = 12500;
4205 
4206 	ni_pi->cac_data.leakage_coefficients.at = 516;
4207 	ni_pi->cac_data.leakage_coefficients.bt = 18;
4208 	ni_pi->cac_data.leakage_coefficients.av = 51;
4209 	ni_pi->cac_data.leakage_coefficients.bv = 2957;
4210 
4211 	switch (rdev->pdev->device) {
4212 	case 0x6700:
4213 	case 0x6701:
4214 	case 0x6702:
4215 	case 0x6703:
4216 	case 0x6718:
4217 		ni_pi->cac_weights = &cac_weights_cayman_xt;
4218 		break;
4219 	case 0x6705:
4220 	case 0x6719:
4221 	case 0x671D:
4222 	case 0x671C:
4223 	default:
4224 		ni_pi->cac_weights = &cac_weights_cayman_pro;
4225 		break;
4226 	case 0x6704:
4227 	case 0x6706:
4228 	case 0x6707:
4229 	case 0x6708:
4230 	case 0x6709:
4231 		ni_pi->cac_weights = &cac_weights_cayman_le;
4232 		break;
4233 	}
4234 
4235 	if (ni_pi->cac_weights->enable_power_containment_by_default) {
4236 		ni_pi->enable_power_containment = true;
4237 		ni_pi->enable_cac = true;
4238 		ni_pi->enable_sq_ramping = true;
4239 	} else {
4240 		ni_pi->enable_power_containment = false;
4241 		ni_pi->enable_cac = false;
4242 		ni_pi->enable_sq_ramping = false;
4243 	}
4244 
4245 	ni_pi->driver_calculate_cac_leakage = false;
4246 	ni_pi->cac_configuration_required = true;
4247 
4248 	if (ni_pi->cac_configuration_required) {
4249 		ni_pi->support_cac_long_term_average = true;
4250 		ni_pi->lta_window_size = ni_pi->cac_weights->l2_lta_window_size;
4251 		ni_pi->lts_truncate = ni_pi->cac_weights->lts_truncate;
4252 	} else {
4253 		ni_pi->support_cac_long_term_average = false;
4254 		ni_pi->lta_window_size = 0;
4255 		ni_pi->lts_truncate = 0;
4256 	}
4257 
4258 	ni_pi->use_power_boost_limit = true;
4259 
4260 	/* make sure dc limits are valid */
4261 	if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
4262 	    (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
4263 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
4264 			rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4265 
4266 	return 0;
4267 }
4268 
4269 void ni_dpm_fini(struct radeon_device *rdev)
4270 {
4271 	int i;
4272 
4273 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
4274 		kfree(rdev->pm.dpm.ps[i].ps_priv);
4275 	}
4276 	kfree(rdev->pm.dpm.ps);
4277 	kfree(rdev->pm.dpm.priv);
4278 	kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
4279 	r600_free_extended_power_table(rdev);
4280 }
4281 
4282 void ni_dpm_print_power_state(struct radeon_device *rdev,
4283 			      struct radeon_ps *rps)
4284 {
4285 	struct ni_ps *ps = ni_get_ps(rps);
4286 	struct rv7xx_pl *pl;
4287 	int i;
4288 
4289 	r600_dpm_print_class_info(rps->class, rps->class2);
4290 	r600_dpm_print_cap_info(rps->caps);
4291 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
4292 	for (i = 0; i < ps->performance_level_count; i++) {
4293 		pl = &ps->performance_levels[i];
4294 		if (rdev->family >= CHIP_TAHITI)
4295 			printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u pcie gen: %u\n",
4296 			       i, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1);
4297 		else
4298 			printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
4299 			       i, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
4300 	}
4301 	r600_dpm_print_ps_status(rdev, rps);
4302 }
4303 
4304 void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
4305 						    struct seq_file *m)
4306 {
4307 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4308 	struct radeon_ps *rps = &eg_pi->current_rps;
4309 	struct ni_ps *ps = ni_get_ps(rps);
4310 	struct rv7xx_pl *pl;
4311 	u32 current_index =
4312 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4313 		CURRENT_STATE_INDEX_SHIFT;
4314 
4315 	if (current_index >= ps->performance_level_count) {
4316 		seq_printf(m, "invalid dpm profile %d\n", current_index);
4317 	} else {
4318 		pl = &ps->performance_levels[current_index];
4319 		seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
4320 		seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
4321 			   current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
4322 	}
4323 }
4324 
4325 u32 ni_dpm_get_current_sclk(struct radeon_device *rdev)
4326 {
4327 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4328 	struct radeon_ps *rps = &eg_pi->current_rps;
4329 	struct ni_ps *ps = ni_get_ps(rps);
4330 	struct rv7xx_pl *pl;
4331 	u32 current_index =
4332 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4333 		CURRENT_STATE_INDEX_SHIFT;
4334 
4335 	if (current_index >= ps->performance_level_count) {
4336 		return 0;
4337 	} else {
4338 		pl = &ps->performance_levels[current_index];
4339 		return pl->sclk;
4340 	}
4341 }
4342 
4343 u32 ni_dpm_get_current_mclk(struct radeon_device *rdev)
4344 {
4345 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4346 	struct radeon_ps *rps = &eg_pi->current_rps;
4347 	struct ni_ps *ps = ni_get_ps(rps);
4348 	struct rv7xx_pl *pl;
4349 	u32 current_index =
4350 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4351 		CURRENT_STATE_INDEX_SHIFT;
4352 
4353 	if (current_index >= ps->performance_level_count) {
4354 		return 0;
4355 	} else {
4356 		pl = &ps->performance_levels[current_index];
4357 		return pl->mclk;
4358 	}
4359 }
4360 
4361 u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low)
4362 {
4363 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4364 	struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);
4365 
4366 	if (low)
4367 		return requested_state->performance_levels[0].sclk;
4368 	else
4369 		return requested_state->performance_levels[requested_state->performance_level_count - 1].sclk;
4370 }
4371 
4372 u32 ni_dpm_get_mclk(struct radeon_device *rdev, bool low)
4373 {
4374 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4375 	struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);
4376 
4377 	if (low)
4378 		return requested_state->performance_levels[0].mclk;
4379 	else
4380 		return requested_state->performance_levels[requested_state->performance_level_count - 1].mclk;
4381 }
4382 
4383