xref: /openbmc/linux/drivers/gpu/drm/radeon/ni_dpm.c (revision 98ddec80)
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 <drm/drmP.h>
25 #include "radeon.h"
26 #include "radeon_asic.h"
27 #include "nid.h"
28 #include "r600_dpm.h"
29 #include "ni_dpm.h"
30 #include "atom.h"
31 #include <linux/math64.h>
32 #include <linux/seq_file.h>
33 
34 #define MC_CG_ARB_FREQ_F0           0x0a
35 #define MC_CG_ARB_FREQ_F1           0x0b
36 #define MC_CG_ARB_FREQ_F2           0x0c
37 #define MC_CG_ARB_FREQ_F3           0x0d
38 
39 #define SMC_RAM_END 0xC000
40 
41 static const struct ni_cac_weights cac_weights_cayman_xt =
42 {
43 	0x15,
44 	0x2,
45 	0x19,
46 	0x2,
47 	0x8,
48 	0x14,
49 	0x2,
50 	0x16,
51 	0xE,
52 	0x17,
53 	0x13,
54 	0x2B,
55 	0x10,
56 	0x7,
57 	0x5,
58 	0x5,
59 	0x5,
60 	0x2,
61 	0x3,
62 	0x9,
63 	0x10,
64 	0x10,
65 	0x2B,
66 	0xA,
67 	0x9,
68 	0x4,
69 	0xD,
70 	0xD,
71 	0x3E,
72 	0x18,
73 	0x14,
74 	0,
75 	0x3,
76 	0x3,
77 	0x5,
78 	0,
79 	0x2,
80 	0,
81 	0,
82 	0,
83 	0,
84 	0,
85 	0,
86 	0,
87 	0,
88 	0,
89 	0x1CC,
90 	0,
91 	0x164,
92 	1,
93 	1,
94 	1,
95 	1,
96 	12,
97 	12,
98 	12,
99 	0x12,
100 	0x1F,
101 	132,
102 	5,
103 	7,
104 	0,
105 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
106 	{ 0, 0, 0, 0 },
107 	true
108 };
109 
110 static const struct ni_cac_weights cac_weights_cayman_pro =
111 {
112 	0x16,
113 	0x4,
114 	0x10,
115 	0x2,
116 	0xA,
117 	0x16,
118 	0x2,
119 	0x18,
120 	0x10,
121 	0x1A,
122 	0x16,
123 	0x2D,
124 	0x12,
125 	0xA,
126 	0x6,
127 	0x6,
128 	0x6,
129 	0x2,
130 	0x4,
131 	0xB,
132 	0x11,
133 	0x11,
134 	0x2D,
135 	0xC,
136 	0xC,
137 	0x7,
138 	0x10,
139 	0x10,
140 	0x3F,
141 	0x1A,
142 	0x16,
143 	0,
144 	0x7,
145 	0x4,
146 	0x6,
147 	1,
148 	0x2,
149 	0x1,
150 	0,
151 	0,
152 	0,
153 	0,
154 	0,
155 	0,
156 	0x30,
157 	0,
158 	0x1CF,
159 	0,
160 	0x166,
161 	1,
162 	1,
163 	1,
164 	1,
165 	12,
166 	12,
167 	12,
168 	0x15,
169 	0x1F,
170 	132,
171 	6,
172 	6,
173 	0,
174 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
175 	{ 0, 0, 0, 0 },
176 	true
177 };
178 
179 static const struct ni_cac_weights cac_weights_cayman_le =
180 {
181 	0x7,
182 	0xE,
183 	0x1,
184 	0xA,
185 	0x1,
186 	0x3F,
187 	0x2,
188 	0x18,
189 	0x10,
190 	0x1A,
191 	0x1,
192 	0x3F,
193 	0x1,
194 	0xE,
195 	0x6,
196 	0x6,
197 	0x6,
198 	0x2,
199 	0x4,
200 	0x9,
201 	0x1A,
202 	0x1A,
203 	0x2C,
204 	0xA,
205 	0x11,
206 	0x8,
207 	0x19,
208 	0x19,
209 	0x1,
210 	0x1,
211 	0x1A,
212 	0,
213 	0x8,
214 	0x5,
215 	0x8,
216 	0x1,
217 	0x3,
218 	0x1,
219 	0,
220 	0,
221 	0,
222 	0,
223 	0,
224 	0,
225 	0x38,
226 	0x38,
227 	0x239,
228 	0x3,
229 	0x18A,
230 	1,
231 	1,
232 	1,
233 	1,
234 	12,
235 	12,
236 	12,
237 	0x15,
238 	0x22,
239 	132,
240 	6,
241 	6,
242 	0,
243 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
244 	{ 0, 0, 0, 0 },
245 	true
246 };
247 
248 #define NISLANDS_MGCG_SEQUENCE  300
249 
250 static const u32 cayman_cgcg_cgls_default[] =
251 {
252 	0x000008f8, 0x00000010, 0xffffffff,
253 	0x000008fc, 0x00000000, 0xffffffff,
254 	0x000008f8, 0x00000011, 0xffffffff,
255 	0x000008fc, 0x00000000, 0xffffffff,
256 	0x000008f8, 0x00000012, 0xffffffff,
257 	0x000008fc, 0x00000000, 0xffffffff,
258 	0x000008f8, 0x00000013, 0xffffffff,
259 	0x000008fc, 0x00000000, 0xffffffff,
260 	0x000008f8, 0x00000014, 0xffffffff,
261 	0x000008fc, 0x00000000, 0xffffffff,
262 	0x000008f8, 0x00000015, 0xffffffff,
263 	0x000008fc, 0x00000000, 0xffffffff,
264 	0x000008f8, 0x00000016, 0xffffffff,
265 	0x000008fc, 0x00000000, 0xffffffff,
266 	0x000008f8, 0x00000017, 0xffffffff,
267 	0x000008fc, 0x00000000, 0xffffffff,
268 	0x000008f8, 0x00000018, 0xffffffff,
269 	0x000008fc, 0x00000000, 0xffffffff,
270 	0x000008f8, 0x00000019, 0xffffffff,
271 	0x000008fc, 0x00000000, 0xffffffff,
272 	0x000008f8, 0x0000001a, 0xffffffff,
273 	0x000008fc, 0x00000000, 0xffffffff,
274 	0x000008f8, 0x0000001b, 0xffffffff,
275 	0x000008fc, 0x00000000, 0xffffffff,
276 	0x000008f8, 0x00000020, 0xffffffff,
277 	0x000008fc, 0x00000000, 0xffffffff,
278 	0x000008f8, 0x00000021, 0xffffffff,
279 	0x000008fc, 0x00000000, 0xffffffff,
280 	0x000008f8, 0x00000022, 0xffffffff,
281 	0x000008fc, 0x00000000, 0xffffffff,
282 	0x000008f8, 0x00000023, 0xffffffff,
283 	0x000008fc, 0x00000000, 0xffffffff,
284 	0x000008f8, 0x00000024, 0xffffffff,
285 	0x000008fc, 0x00000000, 0xffffffff,
286 	0x000008f8, 0x00000025, 0xffffffff,
287 	0x000008fc, 0x00000000, 0xffffffff,
288 	0x000008f8, 0x00000026, 0xffffffff,
289 	0x000008fc, 0x00000000, 0xffffffff,
290 	0x000008f8, 0x00000027, 0xffffffff,
291 	0x000008fc, 0x00000000, 0xffffffff,
292 	0x000008f8, 0x00000028, 0xffffffff,
293 	0x000008fc, 0x00000000, 0xffffffff,
294 	0x000008f8, 0x00000029, 0xffffffff,
295 	0x000008fc, 0x00000000, 0xffffffff,
296 	0x000008f8, 0x0000002a, 0xffffffff,
297 	0x000008fc, 0x00000000, 0xffffffff,
298 	0x000008f8, 0x0000002b, 0xffffffff,
299 	0x000008fc, 0x00000000, 0xffffffff
300 };
301 #define CAYMAN_CGCG_CGLS_DEFAULT_LENGTH sizeof(cayman_cgcg_cgls_default) / (3 * sizeof(u32))
302 
303 static const u32 cayman_cgcg_cgls_disable[] =
304 {
305 	0x000008f8, 0x00000010, 0xffffffff,
306 	0x000008fc, 0xffffffff, 0xffffffff,
307 	0x000008f8, 0x00000011, 0xffffffff,
308 	0x000008fc, 0xffffffff, 0xffffffff,
309 	0x000008f8, 0x00000012, 0xffffffff,
310 	0x000008fc, 0xffffffff, 0xffffffff,
311 	0x000008f8, 0x00000013, 0xffffffff,
312 	0x000008fc, 0xffffffff, 0xffffffff,
313 	0x000008f8, 0x00000014, 0xffffffff,
314 	0x000008fc, 0xffffffff, 0xffffffff,
315 	0x000008f8, 0x00000015, 0xffffffff,
316 	0x000008fc, 0xffffffff, 0xffffffff,
317 	0x000008f8, 0x00000016, 0xffffffff,
318 	0x000008fc, 0xffffffff, 0xffffffff,
319 	0x000008f8, 0x00000017, 0xffffffff,
320 	0x000008fc, 0xffffffff, 0xffffffff,
321 	0x000008f8, 0x00000018, 0xffffffff,
322 	0x000008fc, 0xffffffff, 0xffffffff,
323 	0x000008f8, 0x00000019, 0xffffffff,
324 	0x000008fc, 0xffffffff, 0xffffffff,
325 	0x000008f8, 0x0000001a, 0xffffffff,
326 	0x000008fc, 0xffffffff, 0xffffffff,
327 	0x000008f8, 0x0000001b, 0xffffffff,
328 	0x000008fc, 0xffffffff, 0xffffffff,
329 	0x000008f8, 0x00000020, 0xffffffff,
330 	0x000008fc, 0x00000000, 0xffffffff,
331 	0x000008f8, 0x00000021, 0xffffffff,
332 	0x000008fc, 0x00000000, 0xffffffff,
333 	0x000008f8, 0x00000022, 0xffffffff,
334 	0x000008fc, 0x00000000, 0xffffffff,
335 	0x000008f8, 0x00000023, 0xffffffff,
336 	0x000008fc, 0x00000000, 0xffffffff,
337 	0x000008f8, 0x00000024, 0xffffffff,
338 	0x000008fc, 0x00000000, 0xffffffff,
339 	0x000008f8, 0x00000025, 0xffffffff,
340 	0x000008fc, 0x00000000, 0xffffffff,
341 	0x000008f8, 0x00000026, 0xffffffff,
342 	0x000008fc, 0x00000000, 0xffffffff,
343 	0x000008f8, 0x00000027, 0xffffffff,
344 	0x000008fc, 0x00000000, 0xffffffff,
345 	0x000008f8, 0x00000028, 0xffffffff,
346 	0x000008fc, 0x00000000, 0xffffffff,
347 	0x000008f8, 0x00000029, 0xffffffff,
348 	0x000008fc, 0x00000000, 0xffffffff,
349 	0x000008f8, 0x0000002a, 0xffffffff,
350 	0x000008fc, 0x00000000, 0xffffffff,
351 	0x000008f8, 0x0000002b, 0xffffffff,
352 	0x000008fc, 0x00000000, 0xffffffff,
353 	0x00000644, 0x000f7902, 0x001f4180,
354 	0x00000644, 0x000f3802, 0x001f4180
355 };
356 #define CAYMAN_CGCG_CGLS_DISABLE_LENGTH sizeof(cayman_cgcg_cgls_disable) / (3 * sizeof(u32))
357 
358 static const u32 cayman_cgcg_cgls_enable[] =
359 {
360 	0x00000644, 0x000f7882, 0x001f4080,
361 	0x000008f8, 0x00000010, 0xffffffff,
362 	0x000008fc, 0x00000000, 0xffffffff,
363 	0x000008f8, 0x00000011, 0xffffffff,
364 	0x000008fc, 0x00000000, 0xffffffff,
365 	0x000008f8, 0x00000012, 0xffffffff,
366 	0x000008fc, 0x00000000, 0xffffffff,
367 	0x000008f8, 0x00000013, 0xffffffff,
368 	0x000008fc, 0x00000000, 0xffffffff,
369 	0x000008f8, 0x00000014, 0xffffffff,
370 	0x000008fc, 0x00000000, 0xffffffff,
371 	0x000008f8, 0x00000015, 0xffffffff,
372 	0x000008fc, 0x00000000, 0xffffffff,
373 	0x000008f8, 0x00000016, 0xffffffff,
374 	0x000008fc, 0x00000000, 0xffffffff,
375 	0x000008f8, 0x00000017, 0xffffffff,
376 	0x000008fc, 0x00000000, 0xffffffff,
377 	0x000008f8, 0x00000018, 0xffffffff,
378 	0x000008fc, 0x00000000, 0xffffffff,
379 	0x000008f8, 0x00000019, 0xffffffff,
380 	0x000008fc, 0x00000000, 0xffffffff,
381 	0x000008f8, 0x0000001a, 0xffffffff,
382 	0x000008fc, 0x00000000, 0xffffffff,
383 	0x000008f8, 0x0000001b, 0xffffffff,
384 	0x000008fc, 0x00000000, 0xffffffff,
385 	0x000008f8, 0x00000020, 0xffffffff,
386 	0x000008fc, 0xffffffff, 0xffffffff,
387 	0x000008f8, 0x00000021, 0xffffffff,
388 	0x000008fc, 0xffffffff, 0xffffffff,
389 	0x000008f8, 0x00000022, 0xffffffff,
390 	0x000008fc, 0xffffffff, 0xffffffff,
391 	0x000008f8, 0x00000023, 0xffffffff,
392 	0x000008fc, 0xffffffff, 0xffffffff,
393 	0x000008f8, 0x00000024, 0xffffffff,
394 	0x000008fc, 0xffffffff, 0xffffffff,
395 	0x000008f8, 0x00000025, 0xffffffff,
396 	0x000008fc, 0xffffffff, 0xffffffff,
397 	0x000008f8, 0x00000026, 0xffffffff,
398 	0x000008fc, 0xffffffff, 0xffffffff,
399 	0x000008f8, 0x00000027, 0xffffffff,
400 	0x000008fc, 0xffffffff, 0xffffffff,
401 	0x000008f8, 0x00000028, 0xffffffff,
402 	0x000008fc, 0xffffffff, 0xffffffff,
403 	0x000008f8, 0x00000029, 0xffffffff,
404 	0x000008fc, 0xffffffff, 0xffffffff,
405 	0x000008f8, 0x0000002a, 0xffffffff,
406 	0x000008fc, 0xffffffff, 0xffffffff,
407 	0x000008f8, 0x0000002b, 0xffffffff,
408 	0x000008fc, 0xffffffff, 0xffffffff
409 };
410 #define CAYMAN_CGCG_CGLS_ENABLE_LENGTH  sizeof(cayman_cgcg_cgls_enable) / (3 * sizeof(u32))
411 
412 static const u32 cayman_mgcg_default[] =
413 {
414 	0x0000802c, 0xc0000000, 0xffffffff,
415 	0x00003fc4, 0xc0000000, 0xffffffff,
416 	0x00005448, 0x00000100, 0xffffffff,
417 	0x000055e4, 0x00000100, 0xffffffff,
418 	0x0000160c, 0x00000100, 0xffffffff,
419 	0x00008984, 0x06000100, 0xffffffff,
420 	0x0000c164, 0x00000100, 0xffffffff,
421 	0x00008a18, 0x00000100, 0xffffffff,
422 	0x0000897c, 0x06000100, 0xffffffff,
423 	0x00008b28, 0x00000100, 0xffffffff,
424 	0x00009144, 0x00800200, 0xffffffff,
425 	0x00009a60, 0x00000100, 0xffffffff,
426 	0x00009868, 0x00000100, 0xffffffff,
427 	0x00008d58, 0x00000100, 0xffffffff,
428 	0x00009510, 0x00000100, 0xffffffff,
429 	0x0000949c, 0x00000100, 0xffffffff,
430 	0x00009654, 0x00000100, 0xffffffff,
431 	0x00009030, 0x00000100, 0xffffffff,
432 	0x00009034, 0x00000100, 0xffffffff,
433 	0x00009038, 0x00000100, 0xffffffff,
434 	0x0000903c, 0x00000100, 0xffffffff,
435 	0x00009040, 0x00000100, 0xffffffff,
436 	0x0000a200, 0x00000100, 0xffffffff,
437 	0x0000a204, 0x00000100, 0xffffffff,
438 	0x0000a208, 0x00000100, 0xffffffff,
439 	0x0000a20c, 0x00000100, 0xffffffff,
440 	0x00009744, 0x00000100, 0xffffffff,
441 	0x00003f80, 0x00000100, 0xffffffff,
442 	0x0000a210, 0x00000100, 0xffffffff,
443 	0x0000a214, 0x00000100, 0xffffffff,
444 	0x000004d8, 0x00000100, 0xffffffff,
445 	0x00009664, 0x00000100, 0xffffffff,
446 	0x00009698, 0x00000100, 0xffffffff,
447 	0x000004d4, 0x00000200, 0xffffffff,
448 	0x000004d0, 0x00000000, 0xffffffff,
449 	0x000030cc, 0x00000104, 0xffffffff,
450 	0x0000d0c0, 0x00000100, 0xffffffff,
451 	0x0000d8c0, 0x00000100, 0xffffffff,
452 	0x0000802c, 0x40000000, 0xffffffff,
453 	0x00003fc4, 0x40000000, 0xffffffff,
454 	0x0000915c, 0x00010000, 0xffffffff,
455 	0x00009160, 0x00030002, 0xffffffff,
456 	0x00009164, 0x00050004, 0xffffffff,
457 	0x00009168, 0x00070006, 0xffffffff,
458 	0x00009178, 0x00070000, 0xffffffff,
459 	0x0000917c, 0x00030002, 0xffffffff,
460 	0x00009180, 0x00050004, 0xffffffff,
461 	0x0000918c, 0x00010006, 0xffffffff,
462 	0x00009190, 0x00090008, 0xffffffff,
463 	0x00009194, 0x00070000, 0xffffffff,
464 	0x00009198, 0x00030002, 0xffffffff,
465 	0x0000919c, 0x00050004, 0xffffffff,
466 	0x000091a8, 0x00010006, 0xffffffff,
467 	0x000091ac, 0x00090008, 0xffffffff,
468 	0x000091b0, 0x00070000, 0xffffffff,
469 	0x000091b4, 0x00030002, 0xffffffff,
470 	0x000091b8, 0x00050004, 0xffffffff,
471 	0x000091c4, 0x00010006, 0xffffffff,
472 	0x000091c8, 0x00090008, 0xffffffff,
473 	0x000091cc, 0x00070000, 0xffffffff,
474 	0x000091d0, 0x00030002, 0xffffffff,
475 	0x000091d4, 0x00050004, 0xffffffff,
476 	0x000091e0, 0x00010006, 0xffffffff,
477 	0x000091e4, 0x00090008, 0xffffffff,
478 	0x000091e8, 0x00000000, 0xffffffff,
479 	0x000091ec, 0x00070000, 0xffffffff,
480 	0x000091f0, 0x00030002, 0xffffffff,
481 	0x000091f4, 0x00050004, 0xffffffff,
482 	0x00009200, 0x00010006, 0xffffffff,
483 	0x00009204, 0x00090008, 0xffffffff,
484 	0x00009208, 0x00070000, 0xffffffff,
485 	0x0000920c, 0x00030002, 0xffffffff,
486 	0x00009210, 0x00050004, 0xffffffff,
487 	0x0000921c, 0x00010006, 0xffffffff,
488 	0x00009220, 0x00090008, 0xffffffff,
489 	0x00009224, 0x00070000, 0xffffffff,
490 	0x00009228, 0x00030002, 0xffffffff,
491 	0x0000922c, 0x00050004, 0xffffffff,
492 	0x00009238, 0x00010006, 0xffffffff,
493 	0x0000923c, 0x00090008, 0xffffffff,
494 	0x00009240, 0x00070000, 0xffffffff,
495 	0x00009244, 0x00030002, 0xffffffff,
496 	0x00009248, 0x00050004, 0xffffffff,
497 	0x00009254, 0x00010006, 0xffffffff,
498 	0x00009258, 0x00090008, 0xffffffff,
499 	0x0000925c, 0x00070000, 0xffffffff,
500 	0x00009260, 0x00030002, 0xffffffff,
501 	0x00009264, 0x00050004, 0xffffffff,
502 	0x00009270, 0x00010006, 0xffffffff,
503 	0x00009274, 0x00090008, 0xffffffff,
504 	0x00009278, 0x00070000, 0xffffffff,
505 	0x0000927c, 0x00030002, 0xffffffff,
506 	0x00009280, 0x00050004, 0xffffffff,
507 	0x0000928c, 0x00010006, 0xffffffff,
508 	0x00009290, 0x00090008, 0xffffffff,
509 	0x000092a8, 0x00070000, 0xffffffff,
510 	0x000092ac, 0x00030002, 0xffffffff,
511 	0x000092b0, 0x00050004, 0xffffffff,
512 	0x000092bc, 0x00010006, 0xffffffff,
513 	0x000092c0, 0x00090008, 0xffffffff,
514 	0x000092c4, 0x00070000, 0xffffffff,
515 	0x000092c8, 0x00030002, 0xffffffff,
516 	0x000092cc, 0x00050004, 0xffffffff,
517 	0x000092d8, 0x00010006, 0xffffffff,
518 	0x000092dc, 0x00090008, 0xffffffff,
519 	0x00009294, 0x00000000, 0xffffffff,
520 	0x0000802c, 0x40010000, 0xffffffff,
521 	0x00003fc4, 0x40010000, 0xffffffff,
522 	0x0000915c, 0x00010000, 0xffffffff,
523 	0x00009160, 0x00030002, 0xffffffff,
524 	0x00009164, 0x00050004, 0xffffffff,
525 	0x00009168, 0x00070006, 0xffffffff,
526 	0x00009178, 0x00070000, 0xffffffff,
527 	0x0000917c, 0x00030002, 0xffffffff,
528 	0x00009180, 0x00050004, 0xffffffff,
529 	0x0000918c, 0x00010006, 0xffffffff,
530 	0x00009190, 0x00090008, 0xffffffff,
531 	0x00009194, 0x00070000, 0xffffffff,
532 	0x00009198, 0x00030002, 0xffffffff,
533 	0x0000919c, 0x00050004, 0xffffffff,
534 	0x000091a8, 0x00010006, 0xffffffff,
535 	0x000091ac, 0x00090008, 0xffffffff,
536 	0x000091b0, 0x00070000, 0xffffffff,
537 	0x000091b4, 0x00030002, 0xffffffff,
538 	0x000091b8, 0x00050004, 0xffffffff,
539 	0x000091c4, 0x00010006, 0xffffffff,
540 	0x000091c8, 0x00090008, 0xffffffff,
541 	0x000091cc, 0x00070000, 0xffffffff,
542 	0x000091d0, 0x00030002, 0xffffffff,
543 	0x000091d4, 0x00050004, 0xffffffff,
544 	0x000091e0, 0x00010006, 0xffffffff,
545 	0x000091e4, 0x00090008, 0xffffffff,
546 	0x000091e8, 0x00000000, 0xffffffff,
547 	0x000091ec, 0x00070000, 0xffffffff,
548 	0x000091f0, 0x00030002, 0xffffffff,
549 	0x000091f4, 0x00050004, 0xffffffff,
550 	0x00009200, 0x00010006, 0xffffffff,
551 	0x00009204, 0x00090008, 0xffffffff,
552 	0x00009208, 0x00070000, 0xffffffff,
553 	0x0000920c, 0x00030002, 0xffffffff,
554 	0x00009210, 0x00050004, 0xffffffff,
555 	0x0000921c, 0x00010006, 0xffffffff,
556 	0x00009220, 0x00090008, 0xffffffff,
557 	0x00009224, 0x00070000, 0xffffffff,
558 	0x00009228, 0x00030002, 0xffffffff,
559 	0x0000922c, 0x00050004, 0xffffffff,
560 	0x00009238, 0x00010006, 0xffffffff,
561 	0x0000923c, 0x00090008, 0xffffffff,
562 	0x00009240, 0x00070000, 0xffffffff,
563 	0x00009244, 0x00030002, 0xffffffff,
564 	0x00009248, 0x00050004, 0xffffffff,
565 	0x00009254, 0x00010006, 0xffffffff,
566 	0x00009258, 0x00090008, 0xffffffff,
567 	0x0000925c, 0x00070000, 0xffffffff,
568 	0x00009260, 0x00030002, 0xffffffff,
569 	0x00009264, 0x00050004, 0xffffffff,
570 	0x00009270, 0x00010006, 0xffffffff,
571 	0x00009274, 0x00090008, 0xffffffff,
572 	0x00009278, 0x00070000, 0xffffffff,
573 	0x0000927c, 0x00030002, 0xffffffff,
574 	0x00009280, 0x00050004, 0xffffffff,
575 	0x0000928c, 0x00010006, 0xffffffff,
576 	0x00009290, 0x00090008, 0xffffffff,
577 	0x000092a8, 0x00070000, 0xffffffff,
578 	0x000092ac, 0x00030002, 0xffffffff,
579 	0x000092b0, 0x00050004, 0xffffffff,
580 	0x000092bc, 0x00010006, 0xffffffff,
581 	0x000092c0, 0x00090008, 0xffffffff,
582 	0x000092c4, 0x00070000, 0xffffffff,
583 	0x000092c8, 0x00030002, 0xffffffff,
584 	0x000092cc, 0x00050004, 0xffffffff,
585 	0x000092d8, 0x00010006, 0xffffffff,
586 	0x000092dc, 0x00090008, 0xffffffff,
587 	0x00009294, 0x00000000, 0xffffffff,
588 	0x0000802c, 0xc0000000, 0xffffffff,
589 	0x00003fc4, 0xc0000000, 0xffffffff,
590 	0x000008f8, 0x00000010, 0xffffffff,
591 	0x000008fc, 0x00000000, 0xffffffff,
592 	0x000008f8, 0x00000011, 0xffffffff,
593 	0x000008fc, 0x00000000, 0xffffffff,
594 	0x000008f8, 0x00000012, 0xffffffff,
595 	0x000008fc, 0x00000000, 0xffffffff,
596 	0x000008f8, 0x00000013, 0xffffffff,
597 	0x000008fc, 0x00000000, 0xffffffff,
598 	0x000008f8, 0x00000014, 0xffffffff,
599 	0x000008fc, 0x00000000, 0xffffffff,
600 	0x000008f8, 0x00000015, 0xffffffff,
601 	0x000008fc, 0x00000000, 0xffffffff,
602 	0x000008f8, 0x00000016, 0xffffffff,
603 	0x000008fc, 0x00000000, 0xffffffff,
604 	0x000008f8, 0x00000017, 0xffffffff,
605 	0x000008fc, 0x00000000, 0xffffffff,
606 	0x000008f8, 0x00000018, 0xffffffff,
607 	0x000008fc, 0x00000000, 0xffffffff,
608 	0x000008f8, 0x00000019, 0xffffffff,
609 	0x000008fc, 0x00000000, 0xffffffff,
610 	0x000008f8, 0x0000001a, 0xffffffff,
611 	0x000008fc, 0x00000000, 0xffffffff,
612 	0x000008f8, 0x0000001b, 0xffffffff,
613 	0x000008fc, 0x00000000, 0xffffffff
614 };
615 #define CAYMAN_MGCG_DEFAULT_LENGTH sizeof(cayman_mgcg_default) / (3 * sizeof(u32))
616 
617 static const u32 cayman_mgcg_disable[] =
618 {
619 	0x0000802c, 0xc0000000, 0xffffffff,
620 	0x000008f8, 0x00000000, 0xffffffff,
621 	0x000008fc, 0xffffffff, 0xffffffff,
622 	0x000008f8, 0x00000001, 0xffffffff,
623 	0x000008fc, 0xffffffff, 0xffffffff,
624 	0x000008f8, 0x00000002, 0xffffffff,
625 	0x000008fc, 0xffffffff, 0xffffffff,
626 	0x000008f8, 0x00000003, 0xffffffff,
627 	0x000008fc, 0xffffffff, 0xffffffff,
628 	0x00009150, 0x00600000, 0xffffffff
629 };
630 #define CAYMAN_MGCG_DISABLE_LENGTH   sizeof(cayman_mgcg_disable) / (3 * sizeof(u32))
631 
632 static const u32 cayman_mgcg_enable[] =
633 {
634 	0x0000802c, 0xc0000000, 0xffffffff,
635 	0x000008f8, 0x00000000, 0xffffffff,
636 	0x000008fc, 0x00000000, 0xffffffff,
637 	0x000008f8, 0x00000001, 0xffffffff,
638 	0x000008fc, 0x00000000, 0xffffffff,
639 	0x000008f8, 0x00000002, 0xffffffff,
640 	0x000008fc, 0x00600000, 0xffffffff,
641 	0x000008f8, 0x00000003, 0xffffffff,
642 	0x000008fc, 0x00000000, 0xffffffff,
643 	0x00009150, 0x96944200, 0xffffffff
644 };
645 
646 #define CAYMAN_MGCG_ENABLE_LENGTH   sizeof(cayman_mgcg_enable) / (3 * sizeof(u32))
647 
648 #define NISLANDS_SYSLS_SEQUENCE  100
649 
650 static const u32 cayman_sysls_default[] =
651 {
652 	/* Register,   Value,     Mask bits */
653 	0x000055e8, 0x00000000, 0xffffffff,
654 	0x0000d0bc, 0x00000000, 0xffffffff,
655 	0x0000d8bc, 0x00000000, 0xffffffff,
656 	0x000015c0, 0x000c1401, 0xffffffff,
657 	0x0000264c, 0x000c0400, 0xffffffff,
658 	0x00002648, 0x000c0400, 0xffffffff,
659 	0x00002650, 0x000c0400, 0xffffffff,
660 	0x000020b8, 0x000c0400, 0xffffffff,
661 	0x000020bc, 0x000c0400, 0xffffffff,
662 	0x000020c0, 0x000c0c80, 0xffffffff,
663 	0x0000f4a0, 0x000000c0, 0xffffffff,
664 	0x0000f4a4, 0x00680fff, 0xffffffff,
665 	0x00002f50, 0x00000404, 0xffffffff,
666 	0x000004c8, 0x00000001, 0xffffffff,
667 	0x000064ec, 0x00000000, 0xffffffff,
668 	0x00000c7c, 0x00000000, 0xffffffff,
669 	0x00008dfc, 0x00000000, 0xffffffff
670 };
671 #define CAYMAN_SYSLS_DEFAULT_LENGTH sizeof(cayman_sysls_default) / (3 * sizeof(u32))
672 
673 static const u32 cayman_sysls_disable[] =
674 {
675 	/* Register,   Value,     Mask bits */
676 	0x0000d0c0, 0x00000000, 0xffffffff,
677 	0x0000d8c0, 0x00000000, 0xffffffff,
678 	0x000055e8, 0x00000000, 0xffffffff,
679 	0x0000d0bc, 0x00000000, 0xffffffff,
680 	0x0000d8bc, 0x00000000, 0xffffffff,
681 	0x000015c0, 0x00041401, 0xffffffff,
682 	0x0000264c, 0x00040400, 0xffffffff,
683 	0x00002648, 0x00040400, 0xffffffff,
684 	0x00002650, 0x00040400, 0xffffffff,
685 	0x000020b8, 0x00040400, 0xffffffff,
686 	0x000020bc, 0x00040400, 0xffffffff,
687 	0x000020c0, 0x00040c80, 0xffffffff,
688 	0x0000f4a0, 0x000000c0, 0xffffffff,
689 	0x0000f4a4, 0x00680000, 0xffffffff,
690 	0x00002f50, 0x00000404, 0xffffffff,
691 	0x000004c8, 0x00000001, 0xffffffff,
692 	0x000064ec, 0x00007ffd, 0xffffffff,
693 	0x00000c7c, 0x0000ff00, 0xffffffff,
694 	0x00008dfc, 0x0000007f, 0xffffffff
695 };
696 #define CAYMAN_SYSLS_DISABLE_LENGTH sizeof(cayman_sysls_disable) / (3 * sizeof(u32))
697 
698 static const u32 cayman_sysls_enable[] =
699 {
700 	/* Register,   Value,     Mask bits */
701 	0x000055e8, 0x00000001, 0xffffffff,
702 	0x0000d0bc, 0x00000100, 0xffffffff,
703 	0x0000d8bc, 0x00000100, 0xffffffff,
704 	0x000015c0, 0x000c1401, 0xffffffff,
705 	0x0000264c, 0x000c0400, 0xffffffff,
706 	0x00002648, 0x000c0400, 0xffffffff,
707 	0x00002650, 0x000c0400, 0xffffffff,
708 	0x000020b8, 0x000c0400, 0xffffffff,
709 	0x000020bc, 0x000c0400, 0xffffffff,
710 	0x000020c0, 0x000c0c80, 0xffffffff,
711 	0x0000f4a0, 0x000000c0, 0xffffffff,
712 	0x0000f4a4, 0x00680fff, 0xffffffff,
713 	0x00002f50, 0x00000903, 0xffffffff,
714 	0x000004c8, 0x00000000, 0xffffffff,
715 	0x000064ec, 0x00000000, 0xffffffff,
716 	0x00000c7c, 0x00000000, 0xffffffff,
717 	0x00008dfc, 0x00000000, 0xffffffff
718 };
719 #define CAYMAN_SYSLS_ENABLE_LENGTH sizeof(cayman_sysls_enable) / (3 * sizeof(u32))
720 
721 struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
722 struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev);
723 
724 extern int ni_mc_load_microcode(struct radeon_device *rdev);
725 
726 struct ni_power_info *ni_get_pi(struct radeon_device *rdev)
727 {
728 	struct ni_power_info *pi = rdev->pm.dpm.priv;
729 
730 	return pi;
731 }
732 
733 struct ni_ps *ni_get_ps(struct radeon_ps *rps)
734 {
735 	struct ni_ps *ps = rps->ps_priv;
736 
737 	return ps;
738 }
739 
740 static void ni_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coeffients *coeff,
741 						     u16 v, s32 t,
742 						     u32 ileakage,
743 						     u32 *leakage)
744 {
745 	s64 kt, kv, leakage_w, i_leakage, vddc, temperature;
746 
747 	i_leakage = div64_s64(drm_int2fixp(ileakage), 1000);
748 	vddc = div64_s64(drm_int2fixp(v), 1000);
749 	temperature = div64_s64(drm_int2fixp(t), 1000);
750 
751 	kt = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->at), 1000),
752 			  drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bt), 1000), temperature)));
753 	kv = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->av), 1000),
754 			  drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bv), 1000), vddc)));
755 
756 	leakage_w = drm_fixp_mul(drm_fixp_mul(drm_fixp_mul(i_leakage, kt), kv), vddc);
757 
758 	*leakage = drm_fixp2int(leakage_w * 1000);
759 }
760 
761 static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev,
762 					     const struct ni_leakage_coeffients *coeff,
763 					     u16 v,
764 					     s32 t,
765 					     u32 i_leakage,
766 					     u32 *leakage)
767 {
768 	ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage);
769 }
770 
771 bool ni_dpm_vblank_too_short(struct radeon_device *rdev)
772 {
773 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
774 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
775 	/* we never hit the non-gddr5 limit so disable it */
776 	u32 switch_limit = pi->mem_gddr5 ? 450 : 0;
777 
778 	if (vblank_time < switch_limit)
779 		return true;
780 	else
781 		return false;
782 
783 }
784 
785 static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
786 					struct radeon_ps *rps)
787 {
788 	struct ni_ps *ps = ni_get_ps(rps);
789 	struct radeon_clock_and_voltage_limits *max_limits;
790 	bool disable_mclk_switching;
791 	u32 mclk;
792 	u16 vddci;
793 	int i;
794 
795 	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
796 	    ni_dpm_vblank_too_short(rdev))
797 		disable_mclk_switching = true;
798 	else
799 		disable_mclk_switching = false;
800 
801 	if (rdev->pm.dpm.ac_power)
802 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
803 	else
804 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
805 
806 	if (rdev->pm.dpm.ac_power == false) {
807 		for (i = 0; i < ps->performance_level_count; i++) {
808 			if (ps->performance_levels[i].mclk > max_limits->mclk)
809 				ps->performance_levels[i].mclk = max_limits->mclk;
810 			if (ps->performance_levels[i].sclk > max_limits->sclk)
811 				ps->performance_levels[i].sclk = max_limits->sclk;
812 			if (ps->performance_levels[i].vddc > max_limits->vddc)
813 				ps->performance_levels[i].vddc = max_limits->vddc;
814 			if (ps->performance_levels[i].vddci > max_limits->vddci)
815 				ps->performance_levels[i].vddci = max_limits->vddci;
816 		}
817 	}
818 
819 	/* XXX validate the min clocks required for display */
820 
821 	/* adjust low state */
822 	if (disable_mclk_switching) {
823 		ps->performance_levels[0].mclk =
824 			ps->performance_levels[ps->performance_level_count - 1].mclk;
825 		ps->performance_levels[0].vddci =
826 			ps->performance_levels[ps->performance_level_count - 1].vddci;
827 	}
828 
829 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
830 				  &ps->performance_levels[0].sclk,
831 				  &ps->performance_levels[0].mclk);
832 
833 	for (i = 1; i < ps->performance_level_count; i++) {
834 		if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
835 			ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
836 		if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
837 			ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
838 	}
839 
840 	/* adjust remaining states */
841 	if (disable_mclk_switching) {
842 		mclk = ps->performance_levels[0].mclk;
843 		vddci = ps->performance_levels[0].vddci;
844 		for (i = 1; i < ps->performance_level_count; i++) {
845 			if (mclk < ps->performance_levels[i].mclk)
846 				mclk = ps->performance_levels[i].mclk;
847 			if (vddci < ps->performance_levels[i].vddci)
848 				vddci = ps->performance_levels[i].vddci;
849 		}
850 		for (i = 0; i < ps->performance_level_count; i++) {
851 			ps->performance_levels[i].mclk = mclk;
852 			ps->performance_levels[i].vddci = vddci;
853 		}
854 	} else {
855 		for (i = 1; i < ps->performance_level_count; i++) {
856 			if (ps->performance_levels[i].mclk < ps->performance_levels[i - 1].mclk)
857 				ps->performance_levels[i].mclk = ps->performance_levels[i - 1].mclk;
858 			if (ps->performance_levels[i].vddci < ps->performance_levels[i - 1].vddci)
859 				ps->performance_levels[i].vddci = ps->performance_levels[i - 1].vddci;
860 		}
861 	}
862 
863 	for (i = 1; i < ps->performance_level_count; i++)
864 		btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
865 					  &ps->performance_levels[i].sclk,
866 					  &ps->performance_levels[i].mclk);
867 
868 	for (i = 0; i < ps->performance_level_count; i++)
869 		btc_adjust_clock_combinations(rdev, max_limits,
870 					      &ps->performance_levels[i]);
871 
872 	for (i = 0; i < ps->performance_level_count; i++) {
873 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
874 						   ps->performance_levels[i].sclk,
875 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
876 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
877 						   ps->performance_levels[i].mclk,
878 						   max_limits->vddci, &ps->performance_levels[i].vddci);
879 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
880 						   ps->performance_levels[i].mclk,
881 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
882 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
883 						   rdev->clock.current_dispclk,
884 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
885 	}
886 
887 	for (i = 0; i < ps->performance_level_count; i++) {
888 		btc_apply_voltage_delta_rules(rdev,
889 					      max_limits->vddc, max_limits->vddci,
890 					      &ps->performance_levels[i].vddc,
891 					      &ps->performance_levels[i].vddci);
892 	}
893 
894 	ps->dc_compatible = true;
895 	for (i = 0; i < ps->performance_level_count; i++) {
896 		if (ps->performance_levels[i].vddc > rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc)
897 			ps->dc_compatible = false;
898 
899 		if (ps->performance_levels[i].vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
900 			ps->performance_levels[i].flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
901 	}
902 }
903 
904 static void ni_cg_clockgating_default(struct radeon_device *rdev)
905 {
906 	u32 count;
907 	const u32 *ps = NULL;
908 
909 	ps = (const u32 *)&cayman_cgcg_cgls_default;
910 	count = CAYMAN_CGCG_CGLS_DEFAULT_LENGTH;
911 
912 	btc_program_mgcg_hw_sequence(rdev, ps, count);
913 }
914 
915 static void ni_gfx_clockgating_enable(struct radeon_device *rdev,
916 				      bool enable)
917 {
918 	u32 count;
919 	const u32 *ps = NULL;
920 
921 	if (enable) {
922 		ps = (const u32 *)&cayman_cgcg_cgls_enable;
923 		count = CAYMAN_CGCG_CGLS_ENABLE_LENGTH;
924 	} else {
925 		ps = (const u32 *)&cayman_cgcg_cgls_disable;
926 		count = CAYMAN_CGCG_CGLS_DISABLE_LENGTH;
927 	}
928 
929 	btc_program_mgcg_hw_sequence(rdev, ps, count);
930 }
931 
932 static void ni_mg_clockgating_default(struct radeon_device *rdev)
933 {
934 	u32 count;
935 	const u32 *ps = NULL;
936 
937 	ps = (const u32 *)&cayman_mgcg_default;
938 	count = CAYMAN_MGCG_DEFAULT_LENGTH;
939 
940 	btc_program_mgcg_hw_sequence(rdev, ps, count);
941 }
942 
943 static void ni_mg_clockgating_enable(struct radeon_device *rdev,
944 				     bool enable)
945 {
946 	u32 count;
947 	const u32 *ps = NULL;
948 
949 	if (enable) {
950 		ps = (const u32 *)&cayman_mgcg_enable;
951 		count = CAYMAN_MGCG_ENABLE_LENGTH;
952 	} else {
953 		ps = (const u32 *)&cayman_mgcg_disable;
954 		count = CAYMAN_MGCG_DISABLE_LENGTH;
955 	}
956 
957 	btc_program_mgcg_hw_sequence(rdev, ps, count);
958 }
959 
960 static void ni_ls_clockgating_default(struct radeon_device *rdev)
961 {
962 	u32 count;
963 	const u32 *ps = NULL;
964 
965 	ps = (const u32 *)&cayman_sysls_default;
966 	count = CAYMAN_SYSLS_DEFAULT_LENGTH;
967 
968 	btc_program_mgcg_hw_sequence(rdev, ps, count);
969 }
970 
971 static void ni_ls_clockgating_enable(struct radeon_device *rdev,
972 				     bool enable)
973 {
974 	u32 count;
975 	const u32 *ps = NULL;
976 
977 	if (enable) {
978 		ps = (const u32 *)&cayman_sysls_enable;
979 		count = CAYMAN_SYSLS_ENABLE_LENGTH;
980 	} else {
981 		ps = (const u32 *)&cayman_sysls_disable;
982 		count = CAYMAN_SYSLS_DISABLE_LENGTH;
983 	}
984 
985 	btc_program_mgcg_hw_sequence(rdev, ps, count);
986 
987 }
988 
989 static int ni_patch_single_dependency_table_based_on_leakage(struct radeon_device *rdev,
990 							     struct radeon_clock_voltage_dependency_table *table)
991 {
992 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
993 	u32 i;
994 
995 	if (table) {
996 		for (i = 0; i < table->count; i++) {
997 			if (0xff01 == table->entries[i].v) {
998 				if (pi->max_vddc == 0)
999 					return -EINVAL;
1000 				table->entries[i].v = pi->max_vddc;
1001 			}
1002 		}
1003 	}
1004 	return 0;
1005 }
1006 
1007 static int ni_patch_dependency_tables_based_on_leakage(struct radeon_device *rdev)
1008 {
1009 	int ret = 0;
1010 
1011 	ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1012 								&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk);
1013 
1014 	ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1015 								&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk);
1016 	return ret;
1017 }
1018 
1019 static void ni_stop_dpm(struct radeon_device *rdev)
1020 {
1021 	WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
1022 }
1023 
1024 #if 0
1025 static int ni_notify_hw_of_power_source(struct radeon_device *rdev,
1026 					bool ac_power)
1027 {
1028 	if (ac_power)
1029 		return (rv770_send_msg_to_smc(rdev, PPSMC_MSG_RunningOnAC) == PPSMC_Result_OK) ?
1030 			0 : -EINVAL;
1031 
1032 	return 0;
1033 }
1034 #endif
1035 
1036 static PPSMC_Result ni_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
1037 						      PPSMC_Msg msg, u32 parameter)
1038 {
1039 	WREG32(SMC_SCRATCH0, parameter);
1040 	return rv770_send_msg_to_smc(rdev, msg);
1041 }
1042 
1043 static int ni_restrict_performance_levels_before_switch(struct radeon_device *rdev)
1044 {
1045 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
1046 		return -EINVAL;
1047 
1048 	return (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) == PPSMC_Result_OK) ?
1049 		0 : -EINVAL;
1050 }
1051 
1052 int ni_dpm_force_performance_level(struct radeon_device *rdev,
1053 				   enum radeon_dpm_forced_level level)
1054 {
1055 	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
1056 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1057 			return -EINVAL;
1058 
1059 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK)
1060 			return -EINVAL;
1061 	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
1062 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1063 			return -EINVAL;
1064 
1065 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK)
1066 			return -EINVAL;
1067 	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
1068 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1069 			return -EINVAL;
1070 
1071 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1072 			return -EINVAL;
1073 	}
1074 
1075 	rdev->pm.dpm.forced_level = level;
1076 
1077 	return 0;
1078 }
1079 
1080 static void ni_stop_smc(struct radeon_device *rdev)
1081 {
1082 	u32 tmp;
1083 	int i;
1084 
1085 	for (i = 0; i < rdev->usec_timeout; i++) {
1086 		tmp = RREG32(LB_SYNC_RESET_SEL) & LB_SYNC_RESET_SEL_MASK;
1087 		if (tmp != 1)
1088 			break;
1089 		udelay(1);
1090 	}
1091 
1092 	udelay(100);
1093 
1094 	r7xx_stop_smc(rdev);
1095 }
1096 
1097 static int ni_process_firmware_header(struct radeon_device *rdev)
1098 {
1099 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1100 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1101 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1102 	u32 tmp;
1103 	int ret;
1104 
1105 	ret = rv770_read_smc_sram_dword(rdev,
1106 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1107 					NISLANDS_SMC_FIRMWARE_HEADER_stateTable,
1108 					&tmp, pi->sram_end);
1109 
1110 	if (ret)
1111 		return ret;
1112 
1113 	pi->state_table_start = (u16)tmp;
1114 
1115 	ret = rv770_read_smc_sram_dword(rdev,
1116 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1117 					NISLANDS_SMC_FIRMWARE_HEADER_softRegisters,
1118 					&tmp, pi->sram_end);
1119 
1120 	if (ret)
1121 		return ret;
1122 
1123 	pi->soft_regs_start = (u16)tmp;
1124 
1125 	ret = rv770_read_smc_sram_dword(rdev,
1126 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1127 					NISLANDS_SMC_FIRMWARE_HEADER_mcRegisterTable,
1128 					&tmp, pi->sram_end);
1129 
1130 	if (ret)
1131 		return ret;
1132 
1133 	eg_pi->mc_reg_table_start = (u16)tmp;
1134 
1135 	ret = rv770_read_smc_sram_dword(rdev,
1136 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1137 					NISLANDS_SMC_FIRMWARE_HEADER_fanTable,
1138 					&tmp, pi->sram_end);
1139 
1140 	if (ret)
1141 		return ret;
1142 
1143 	ni_pi->fan_table_start = (u16)tmp;
1144 
1145 	ret = rv770_read_smc_sram_dword(rdev,
1146 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1147 					NISLANDS_SMC_FIRMWARE_HEADER_mcArbDramAutoRefreshTable,
1148 					&tmp, pi->sram_end);
1149 
1150 	if (ret)
1151 		return ret;
1152 
1153 	ni_pi->arb_table_start = (u16)tmp;
1154 
1155 	ret = rv770_read_smc_sram_dword(rdev,
1156 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1157 					NISLANDS_SMC_FIRMWARE_HEADER_cacTable,
1158 					&tmp, pi->sram_end);
1159 
1160 	if (ret)
1161 		return ret;
1162 
1163 	ni_pi->cac_table_start = (u16)tmp;
1164 
1165 	ret = rv770_read_smc_sram_dword(rdev,
1166 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1167 					NISLANDS_SMC_FIRMWARE_HEADER_spllTable,
1168 					&tmp, pi->sram_end);
1169 
1170 	if (ret)
1171 		return ret;
1172 
1173 	ni_pi->spll_table_start = (u16)tmp;
1174 
1175 
1176 	return ret;
1177 }
1178 
1179 static void ni_read_clock_registers(struct radeon_device *rdev)
1180 {
1181 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1182 
1183 	ni_pi->clock_registers.cg_spll_func_cntl = RREG32(CG_SPLL_FUNC_CNTL);
1184 	ni_pi->clock_registers.cg_spll_func_cntl_2 = RREG32(CG_SPLL_FUNC_CNTL_2);
1185 	ni_pi->clock_registers.cg_spll_func_cntl_3 = RREG32(CG_SPLL_FUNC_CNTL_3);
1186 	ni_pi->clock_registers.cg_spll_func_cntl_4 = RREG32(CG_SPLL_FUNC_CNTL_4);
1187 	ni_pi->clock_registers.cg_spll_spread_spectrum = RREG32(CG_SPLL_SPREAD_SPECTRUM);
1188 	ni_pi->clock_registers.cg_spll_spread_spectrum_2 = RREG32(CG_SPLL_SPREAD_SPECTRUM_2);
1189 	ni_pi->clock_registers.mpll_ad_func_cntl = RREG32(MPLL_AD_FUNC_CNTL);
1190 	ni_pi->clock_registers.mpll_ad_func_cntl_2 = RREG32(MPLL_AD_FUNC_CNTL_2);
1191 	ni_pi->clock_registers.mpll_dq_func_cntl = RREG32(MPLL_DQ_FUNC_CNTL);
1192 	ni_pi->clock_registers.mpll_dq_func_cntl_2 = RREG32(MPLL_DQ_FUNC_CNTL_2);
1193 	ni_pi->clock_registers.mclk_pwrmgt_cntl = RREG32(MCLK_PWRMGT_CNTL);
1194 	ni_pi->clock_registers.dll_cntl = RREG32(DLL_CNTL);
1195 	ni_pi->clock_registers.mpll_ss1 = RREG32(MPLL_SS1);
1196 	ni_pi->clock_registers.mpll_ss2 = RREG32(MPLL_SS2);
1197 }
1198 
1199 #if 0
1200 static int ni_enter_ulp_state(struct radeon_device *rdev)
1201 {
1202 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1203 
1204 	if (pi->gfx_clock_gating) {
1205 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
1206 		WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
1207 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
1208 		RREG32(GB_ADDR_CONFIG);
1209 	}
1210 
1211 	WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower),
1212 		 ~HOST_SMC_MSG_MASK);
1213 
1214 	udelay(25000);
1215 
1216 	return 0;
1217 }
1218 #endif
1219 
1220 static void ni_program_response_times(struct radeon_device *rdev)
1221 {
1222 	u32 voltage_response_time, backbias_response_time, acpi_delay_time, vbi_time_out;
1223 	u32 vddc_dly, bb_dly, acpi_dly, vbi_dly, mclk_switch_limit;
1224 	u32 reference_clock;
1225 
1226 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mvdd_chg_time, 1);
1227 
1228 	voltage_response_time = (u32)rdev->pm.dpm.voltage_response_time;
1229 	backbias_response_time = (u32)rdev->pm.dpm.backbias_response_time;
1230 
1231 	if (voltage_response_time == 0)
1232 		voltage_response_time = 1000;
1233 
1234 	if (backbias_response_time == 0)
1235 		backbias_response_time = 1000;
1236 
1237 	acpi_delay_time = 15000;
1238 	vbi_time_out = 100000;
1239 
1240 	reference_clock = radeon_get_xclk(rdev);
1241 
1242 	vddc_dly = (voltage_response_time  * reference_clock) / 1600;
1243 	bb_dly   = (backbias_response_time * reference_clock) / 1600;
1244 	acpi_dly = (acpi_delay_time * reference_clock) / 1600;
1245 	vbi_dly  = (vbi_time_out * reference_clock) / 1600;
1246 
1247 	mclk_switch_limit = (460 * reference_clock) / 100;
1248 
1249 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_vreg,  vddc_dly);
1250 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_bbias, bb_dly);
1251 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_acpi,  acpi_dly);
1252 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_chg_timeout, vbi_dly);
1253 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mc_block_delay, 0xAA);
1254 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_switch_lim, mclk_switch_limit);
1255 }
1256 
1257 static void ni_populate_smc_voltage_table(struct radeon_device *rdev,
1258 					  struct atom_voltage_table *voltage_table,
1259 					  NISLANDS_SMC_STATETABLE *table)
1260 {
1261 	unsigned int i;
1262 
1263 	for (i = 0; i < voltage_table->count; i++) {
1264 		table->highSMIO[i] = 0;
1265 		table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low);
1266 	}
1267 }
1268 
1269 static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
1270 					   NISLANDS_SMC_STATETABLE *table)
1271 {
1272 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1273 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1274 	unsigned char i;
1275 
1276 	if (eg_pi->vddc_voltage_table.count) {
1277 		ni_populate_smc_voltage_table(rdev, &eg_pi->vddc_voltage_table, table);
1278 		table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] = 0;
1279 		table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] =
1280 			cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
1281 
1282 		for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) {
1283 			if (pi->max_vddc_in_table <= eg_pi->vddc_voltage_table.entries[i].value) {
1284 				table->maxVDDCIndexInPPTable = i;
1285 				break;
1286 			}
1287 		}
1288 	}
1289 
1290 	if (eg_pi->vddci_voltage_table.count) {
1291 		ni_populate_smc_voltage_table(rdev, &eg_pi->vddci_voltage_table, table);
1292 
1293 		table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
1294 		table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
1295 			cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
1296 	}
1297 }
1298 
1299 static int ni_populate_voltage_value(struct radeon_device *rdev,
1300 				     struct atom_voltage_table *table,
1301 				     u16 value,
1302 				     NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1303 {
1304 	unsigned int i;
1305 
1306 	for (i = 0; i < table->count; i++) {
1307 		if (value <= table->entries[i].value) {
1308 			voltage->index = (u8)i;
1309 			voltage->value = cpu_to_be16(table->entries[i].value);
1310 			break;
1311 		}
1312 	}
1313 
1314 	if (i >= table->count)
1315 		return -EINVAL;
1316 
1317 	return 0;
1318 }
1319 
1320 static void ni_populate_mvdd_value(struct radeon_device *rdev,
1321 				   u32 mclk,
1322 				   NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1323 {
1324 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1325 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1326 
1327 	if (!pi->mvdd_control) {
1328 		voltage->index = eg_pi->mvdd_high_index;
1329 		voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1330 		return;
1331 	}
1332 
1333 	if (mclk <= pi->mvdd_split_frequency) {
1334 		voltage->index = eg_pi->mvdd_low_index;
1335 		voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
1336 	} else {
1337 		voltage->index = eg_pi->mvdd_high_index;
1338 		voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1339 	}
1340 }
1341 
1342 static int ni_get_std_voltage_value(struct radeon_device *rdev,
1343 				    NISLANDS_SMC_VOLTAGE_VALUE *voltage,
1344 				    u16 *std_voltage)
1345 {
1346 	if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries &&
1347 	    ((u32)voltage->index < rdev->pm.dpm.dyn_state.cac_leakage_table.count))
1348 		*std_voltage = rdev->pm.dpm.dyn_state.cac_leakage_table.entries[voltage->index].vddc;
1349 	else
1350 		*std_voltage = be16_to_cpu(voltage->value);
1351 
1352 	return 0;
1353 }
1354 
1355 static void ni_populate_std_voltage_value(struct radeon_device *rdev,
1356 					  u16 value, u8 index,
1357 					  NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1358 {
1359 	voltage->index = index;
1360 	voltage->value = cpu_to_be16(value);
1361 }
1362 
1363 static u32 ni_get_smc_power_scaling_factor(struct radeon_device *rdev)
1364 {
1365 	u32 xclk_period;
1366 	u32 xclk = radeon_get_xclk(rdev);
1367 	u32 tmp = RREG32(CG_CAC_CTRL) & TID_CNT_MASK;
1368 
1369 	xclk_period = (1000000000UL / xclk);
1370 	xclk_period /= 10000UL;
1371 
1372 	return tmp * xclk_period;
1373 }
1374 
1375 static u32 ni_scale_power_for_smc(u32 power_in_watts, u32 scaling_factor)
1376 {
1377 	return (power_in_watts * scaling_factor) << 2;
1378 }
1379 
1380 static u32 ni_calculate_power_boost_limit(struct radeon_device *rdev,
1381 					  struct radeon_ps *radeon_state,
1382 					  u32 near_tdp_limit)
1383 {
1384 	struct ni_ps *state = ni_get_ps(radeon_state);
1385 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1386 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1387 	u32 power_boost_limit = 0;
1388 	int ret;
1389 
1390 	if (ni_pi->enable_power_containment &&
1391 	    ni_pi->use_power_boost_limit) {
1392 		NISLANDS_SMC_VOLTAGE_VALUE vddc;
1393 		u16 std_vddc_med;
1394 		u16 std_vddc_high;
1395 		u64 tmp, n, d;
1396 
1397 		if (state->performance_level_count < 3)
1398 			return 0;
1399 
1400 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1401 						state->performance_levels[state->performance_level_count - 2].vddc,
1402 						&vddc);
1403 		if (ret)
1404 			return 0;
1405 
1406 		ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_med);
1407 		if (ret)
1408 			return 0;
1409 
1410 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1411 						state->performance_levels[state->performance_level_count - 1].vddc,
1412 						&vddc);
1413 		if (ret)
1414 			return 0;
1415 
1416 		ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_high);
1417 		if (ret)
1418 			return 0;
1419 
1420 		n = ((u64)near_tdp_limit * ((u64)std_vddc_med * (u64)std_vddc_med) * 90);
1421 		d = ((u64)std_vddc_high * (u64)std_vddc_high * 100);
1422 		tmp = div64_u64(n, d);
1423 
1424 		if (tmp >> 32)
1425 			return 0;
1426 		power_boost_limit = (u32)tmp;
1427 	}
1428 
1429 	return power_boost_limit;
1430 }
1431 
1432 static int ni_calculate_adjusted_tdp_limits(struct radeon_device *rdev,
1433 					    bool adjust_polarity,
1434 					    u32 tdp_adjustment,
1435 					    u32 *tdp_limit,
1436 					    u32 *near_tdp_limit)
1437 {
1438 	if (tdp_adjustment > (u32)rdev->pm.dpm.tdp_od_limit)
1439 		return -EINVAL;
1440 
1441 	if (adjust_polarity) {
1442 		*tdp_limit = ((100 + tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1443 		*near_tdp_limit = rdev->pm.dpm.near_tdp_limit + (*tdp_limit - rdev->pm.dpm.tdp_limit);
1444 	} else {
1445 		*tdp_limit = ((100 - tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1446 		*near_tdp_limit = rdev->pm.dpm.near_tdp_limit - (rdev->pm.dpm.tdp_limit - *tdp_limit);
1447 	}
1448 
1449 	return 0;
1450 }
1451 
1452 static int ni_populate_smc_tdp_limits(struct radeon_device *rdev,
1453 				      struct radeon_ps *radeon_state)
1454 {
1455 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1456 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1457 
1458 	if (ni_pi->enable_power_containment) {
1459 		NISLANDS_SMC_STATETABLE *smc_table = &ni_pi->smc_statetable;
1460 		u32 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
1461 		u32 tdp_limit;
1462 		u32 near_tdp_limit;
1463 		u32 power_boost_limit;
1464 		int ret;
1465 
1466 		if (scaling_factor == 0)
1467 			return -EINVAL;
1468 
1469 		memset(smc_table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1470 
1471 		ret = ni_calculate_adjusted_tdp_limits(rdev,
1472 						       false, /* ??? */
1473 						       rdev->pm.dpm.tdp_adjustment,
1474 						       &tdp_limit,
1475 						       &near_tdp_limit);
1476 		if (ret)
1477 			return ret;
1478 
1479 		power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state,
1480 								   near_tdp_limit);
1481 
1482 		smc_table->dpm2Params.TDPLimit =
1483 			cpu_to_be32(ni_scale_power_for_smc(tdp_limit, scaling_factor));
1484 		smc_table->dpm2Params.NearTDPLimit =
1485 			cpu_to_be32(ni_scale_power_for_smc(near_tdp_limit, scaling_factor));
1486 		smc_table->dpm2Params.SafePowerLimit =
1487 			cpu_to_be32(ni_scale_power_for_smc((near_tdp_limit * NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT) / 100,
1488 							   scaling_factor));
1489 		smc_table->dpm2Params.PowerBoostLimit =
1490 			cpu_to_be32(ni_scale_power_for_smc(power_boost_limit, scaling_factor));
1491 
1492 		ret = rv770_copy_bytes_to_smc(rdev,
1493 					      (u16)(pi->state_table_start + offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
1494 						    offsetof(PP_NIslands_DPM2Parameters, TDPLimit)),
1495 					      (u8 *)(&smc_table->dpm2Params.TDPLimit),
1496 					      sizeof(u32) * 4, pi->sram_end);
1497 		if (ret)
1498 			return ret;
1499 	}
1500 
1501 	return 0;
1502 }
1503 
1504 int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
1505 				u32 arb_freq_src, u32 arb_freq_dest)
1506 {
1507 	u32 mc_arb_dram_timing;
1508 	u32 mc_arb_dram_timing2;
1509 	u32 burst_time;
1510 	u32 mc_cg_config;
1511 
1512 	switch (arb_freq_src) {
1513 	case MC_CG_ARB_FREQ_F0:
1514 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING);
1515 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1516 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE0_MASK) >> STATE0_SHIFT;
1517 		break;
1518 	case MC_CG_ARB_FREQ_F1:
1519 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_1);
1520 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_1);
1521 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE1_MASK) >> STATE1_SHIFT;
1522 		break;
1523 	case MC_CG_ARB_FREQ_F2:
1524 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_2);
1525 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_2);
1526 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE2_MASK) >> STATE2_SHIFT;
1527 		break;
1528 	case MC_CG_ARB_FREQ_F3:
1529 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_3);
1530 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_3);
1531 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE3_MASK) >> STATE3_SHIFT;
1532 		break;
1533 	default:
1534 		return -EINVAL;
1535 	}
1536 
1537 	switch (arb_freq_dest) {
1538 	case MC_CG_ARB_FREQ_F0:
1539 		WREG32(MC_ARB_DRAM_TIMING, mc_arb_dram_timing);
1540 		WREG32(MC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
1541 		WREG32_P(MC_ARB_BURST_TIME, STATE0(burst_time), ~STATE0_MASK);
1542 		break;
1543 	case MC_CG_ARB_FREQ_F1:
1544 		WREG32(MC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
1545 		WREG32(MC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
1546 		WREG32_P(MC_ARB_BURST_TIME, STATE1(burst_time), ~STATE1_MASK);
1547 		break;
1548 	case MC_CG_ARB_FREQ_F2:
1549 		WREG32(MC_ARB_DRAM_TIMING_2, mc_arb_dram_timing);
1550 		WREG32(MC_ARB_DRAM_TIMING2_2, mc_arb_dram_timing2);
1551 		WREG32_P(MC_ARB_BURST_TIME, STATE2(burst_time), ~STATE2_MASK);
1552 		break;
1553 	case MC_CG_ARB_FREQ_F3:
1554 		WREG32(MC_ARB_DRAM_TIMING_3, mc_arb_dram_timing);
1555 		WREG32(MC_ARB_DRAM_TIMING2_3, mc_arb_dram_timing2);
1556 		WREG32_P(MC_ARB_BURST_TIME, STATE3(burst_time), ~STATE3_MASK);
1557 		break;
1558 	default:
1559 		return -EINVAL;
1560 	}
1561 
1562 	mc_cg_config = RREG32(MC_CG_CONFIG) | 0x0000000F;
1563 	WREG32(MC_CG_CONFIG, mc_cg_config);
1564 	WREG32_P(MC_ARB_CG, CG_ARB_REQ(arb_freq_dest), ~CG_ARB_REQ_MASK);
1565 
1566 	return 0;
1567 }
1568 
1569 static int ni_init_arb_table_index(struct radeon_device *rdev)
1570 {
1571 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1572 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1573 	u32 tmp;
1574 	int ret;
1575 
1576 	ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1577 					&tmp, pi->sram_end);
1578 	if (ret)
1579 		return ret;
1580 
1581 	tmp &= 0x00FFFFFF;
1582 	tmp |= ((u32)MC_CG_ARB_FREQ_F1) << 24;
1583 
1584 	return rv770_write_smc_sram_dword(rdev, ni_pi->arb_table_start,
1585 					  tmp, pi->sram_end);
1586 }
1587 
1588 static int ni_initial_switch_from_arb_f0_to_f1(struct radeon_device *rdev)
1589 {
1590 	return ni_copy_and_switch_arb_sets(rdev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
1591 }
1592 
1593 static int ni_force_switch_to_arb_f0(struct radeon_device *rdev)
1594 {
1595 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1596 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1597 	u32 tmp;
1598 	int ret;
1599 
1600 	ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1601 					&tmp, pi->sram_end);
1602 	if (ret)
1603 		return ret;
1604 
1605 	tmp = (tmp >> 24) & 0xff;
1606 
1607 	if (tmp == MC_CG_ARB_FREQ_F0)
1608 		return 0;
1609 
1610 	return ni_copy_and_switch_arb_sets(rdev, tmp, MC_CG_ARB_FREQ_F0);
1611 }
1612 
1613 static int ni_populate_memory_timing_parameters(struct radeon_device *rdev,
1614 						struct rv7xx_pl *pl,
1615 						SMC_NIslands_MCArbDramTimingRegisterSet *arb_regs)
1616 {
1617 	u32 dram_timing;
1618 	u32 dram_timing2;
1619 
1620 	arb_regs->mc_arb_rfsh_rate =
1621 		(u8)rv770_calculate_memory_refresh_rate(rdev, pl->sclk);
1622 
1623 
1624 	radeon_atom_set_engine_dram_timings(rdev, pl->sclk, pl->mclk);
1625 
1626 	dram_timing = RREG32(MC_ARB_DRAM_TIMING);
1627 	dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1628 
1629 	arb_regs->mc_arb_dram_timing  = cpu_to_be32(dram_timing);
1630 	arb_regs->mc_arb_dram_timing2 = cpu_to_be32(dram_timing2);
1631 
1632 	return 0;
1633 }
1634 
1635 static int ni_do_program_memory_timing_parameters(struct radeon_device *rdev,
1636 						  struct radeon_ps *radeon_state,
1637 						  unsigned int first_arb_set)
1638 {
1639 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1640 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1641 	struct ni_ps *state = ni_get_ps(radeon_state);
1642 	SMC_NIslands_MCArbDramTimingRegisterSet arb_regs = { 0 };
1643 	int i, ret = 0;
1644 
1645 	for (i = 0; i < state->performance_level_count; i++) {
1646 		ret = ni_populate_memory_timing_parameters(rdev, &state->performance_levels[i], &arb_regs);
1647 		if (ret)
1648 			break;
1649 
1650 		ret = rv770_copy_bytes_to_smc(rdev,
1651 					      (u16)(ni_pi->arb_table_start +
1652 						    offsetof(SMC_NIslands_MCArbDramTimingRegisters, data) +
1653 						    sizeof(SMC_NIslands_MCArbDramTimingRegisterSet) * (first_arb_set + i)),
1654 					      (u8 *)&arb_regs,
1655 					      (u16)sizeof(SMC_NIslands_MCArbDramTimingRegisterSet),
1656 					      pi->sram_end);
1657 		if (ret)
1658 			break;
1659 	}
1660 	return ret;
1661 }
1662 
1663 static int ni_program_memory_timing_parameters(struct radeon_device *rdev,
1664 					       struct radeon_ps *radeon_new_state)
1665 {
1666 	return ni_do_program_memory_timing_parameters(rdev, radeon_new_state,
1667 						      NISLANDS_DRIVER_STATE_ARB_INDEX);
1668 }
1669 
1670 static void ni_populate_initial_mvdd_value(struct radeon_device *rdev,
1671 					   struct NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1672 {
1673 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1674 
1675 	voltage->index = eg_pi->mvdd_high_index;
1676 	voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1677 }
1678 
1679 static int ni_populate_smc_initial_state(struct radeon_device *rdev,
1680 					 struct radeon_ps *radeon_initial_state,
1681 					 NISLANDS_SMC_STATETABLE *table)
1682 {
1683 	struct ni_ps *initial_state = ni_get_ps(radeon_initial_state);
1684 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1685 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1686 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1687 	u32 reg;
1688 	int ret;
1689 
1690 	table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL =
1691 		cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
1692 	table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 =
1693 		cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl_2);
1694 	table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL =
1695 		cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl);
1696 	table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 =
1697 		cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl_2);
1698 	table->initialState.levels[0].mclk.vMCLK_PWRMGT_CNTL =
1699 		cpu_to_be32(ni_pi->clock_registers.mclk_pwrmgt_cntl);
1700 	table->initialState.levels[0].mclk.vDLL_CNTL =
1701 		cpu_to_be32(ni_pi->clock_registers.dll_cntl);
1702 	table->initialState.levels[0].mclk.vMPLL_SS =
1703 		cpu_to_be32(ni_pi->clock_registers.mpll_ss1);
1704 	table->initialState.levels[0].mclk.vMPLL_SS2 =
1705 		cpu_to_be32(ni_pi->clock_registers.mpll_ss2);
1706 	table->initialState.levels[0].mclk.mclk_value =
1707 		cpu_to_be32(initial_state->performance_levels[0].mclk);
1708 
1709 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL =
1710 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl);
1711 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 =
1712 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_2);
1713 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 =
1714 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_3);
1715 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 =
1716 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_4);
1717 	table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM =
1718 		cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum);
1719 	table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
1720 		cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum_2);
1721 	table->initialState.levels[0].sclk.sclk_value =
1722 		cpu_to_be32(initial_state->performance_levels[0].sclk);
1723 	table->initialState.levels[0].arbRefreshState =
1724 		NISLANDS_INITIAL_STATE_ARB_INDEX;
1725 
1726 	table->initialState.levels[0].ACIndex = 0;
1727 
1728 	ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1729 					initial_state->performance_levels[0].vddc,
1730 					&table->initialState.levels[0].vddc);
1731 	if (!ret) {
1732 		u16 std_vddc;
1733 
1734 		ret = ni_get_std_voltage_value(rdev,
1735 					       &table->initialState.levels[0].vddc,
1736 					       &std_vddc);
1737 		if (!ret)
1738 			ni_populate_std_voltage_value(rdev, std_vddc,
1739 						      table->initialState.levels[0].vddc.index,
1740 						      &table->initialState.levels[0].std_vddc);
1741 	}
1742 
1743 	if (eg_pi->vddci_control)
1744 		ni_populate_voltage_value(rdev,
1745 					  &eg_pi->vddci_voltage_table,
1746 					  initial_state->performance_levels[0].vddci,
1747 					  &table->initialState.levels[0].vddci);
1748 
1749 	ni_populate_initial_mvdd_value(rdev, &table->initialState.levels[0].mvdd);
1750 
1751 	reg = CG_R(0xffff) | CG_L(0);
1752 	table->initialState.levels[0].aT = cpu_to_be32(reg);
1753 
1754 	table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp);
1755 
1756 	if (pi->boot_in_gen2)
1757 		table->initialState.levels[0].gen2PCIE = 1;
1758 	else
1759 		table->initialState.levels[0].gen2PCIE = 0;
1760 
1761 	if (pi->mem_gddr5) {
1762 		table->initialState.levels[0].strobeMode =
1763 			cypress_get_strobe_mode_settings(rdev,
1764 							 initial_state->performance_levels[0].mclk);
1765 
1766 		if (initial_state->performance_levels[0].mclk > pi->mclk_edc_enable_threshold)
1767 			table->initialState.levels[0].mcFlags = NISLANDS_SMC_MC_EDC_RD_FLAG | NISLANDS_SMC_MC_EDC_WR_FLAG;
1768 		else
1769 			table->initialState.levels[0].mcFlags =  0;
1770 	}
1771 
1772 	table->initialState.levelCount = 1;
1773 
1774 	table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC;
1775 
1776 	table->initialState.levels[0].dpm2.MaxPS = 0;
1777 	table->initialState.levels[0].dpm2.NearTDPDec = 0;
1778 	table->initialState.levels[0].dpm2.AboveSafeInc = 0;
1779 	table->initialState.levels[0].dpm2.BelowSafeInc = 0;
1780 
1781 	reg = MIN_POWER_MASK | MAX_POWER_MASK;
1782 	table->initialState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1783 
1784 	reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1785 	table->initialState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1786 
1787 	return 0;
1788 }
1789 
1790 static int ni_populate_smc_acpi_state(struct radeon_device *rdev,
1791 				      NISLANDS_SMC_STATETABLE *table)
1792 {
1793 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1794 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1795 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1796 	u32 mpll_ad_func_cntl   = ni_pi->clock_registers.mpll_ad_func_cntl;
1797 	u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
1798 	u32 mpll_dq_func_cntl   = ni_pi->clock_registers.mpll_dq_func_cntl;
1799 	u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
1800 	u32 spll_func_cntl      = ni_pi->clock_registers.cg_spll_func_cntl;
1801 	u32 spll_func_cntl_2    = ni_pi->clock_registers.cg_spll_func_cntl_2;
1802 	u32 spll_func_cntl_3    = ni_pi->clock_registers.cg_spll_func_cntl_3;
1803 	u32 spll_func_cntl_4    = ni_pi->clock_registers.cg_spll_func_cntl_4;
1804 	u32 mclk_pwrmgt_cntl    = ni_pi->clock_registers.mclk_pwrmgt_cntl;
1805 	u32 dll_cntl            = ni_pi->clock_registers.dll_cntl;
1806 	u32 reg;
1807 	int ret;
1808 
1809 	table->ACPIState = table->initialState;
1810 
1811 	table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC;
1812 
1813 	if (pi->acpi_vddc) {
1814 		ret = ni_populate_voltage_value(rdev,
1815 						&eg_pi->vddc_voltage_table,
1816 						pi->acpi_vddc, &table->ACPIState.levels[0].vddc);
1817 		if (!ret) {
1818 			u16 std_vddc;
1819 
1820 			ret = ni_get_std_voltage_value(rdev,
1821 						       &table->ACPIState.levels[0].vddc, &std_vddc);
1822 			if (!ret)
1823 				ni_populate_std_voltage_value(rdev, std_vddc,
1824 							      table->ACPIState.levels[0].vddc.index,
1825 							      &table->ACPIState.levels[0].std_vddc);
1826 		}
1827 
1828 		if (pi->pcie_gen2) {
1829 			if (pi->acpi_pcie_gen2)
1830 				table->ACPIState.levels[0].gen2PCIE = 1;
1831 			else
1832 				table->ACPIState.levels[0].gen2PCIE = 0;
1833 		} else {
1834 			table->ACPIState.levels[0].gen2PCIE = 0;
1835 		}
1836 	} else {
1837 		ret = ni_populate_voltage_value(rdev,
1838 						&eg_pi->vddc_voltage_table,
1839 						pi->min_vddc_in_table,
1840 						&table->ACPIState.levels[0].vddc);
1841 		if (!ret) {
1842 			u16 std_vddc;
1843 
1844 			ret = ni_get_std_voltage_value(rdev,
1845 						       &table->ACPIState.levels[0].vddc,
1846 						       &std_vddc);
1847 			if (!ret)
1848 				ni_populate_std_voltage_value(rdev, std_vddc,
1849 							      table->ACPIState.levels[0].vddc.index,
1850 							      &table->ACPIState.levels[0].std_vddc);
1851 		}
1852 		table->ACPIState.levels[0].gen2PCIE = 0;
1853 	}
1854 
1855 	if (eg_pi->acpi_vddci) {
1856 		if (eg_pi->vddci_control)
1857 			ni_populate_voltage_value(rdev,
1858 						  &eg_pi->vddci_voltage_table,
1859 						  eg_pi->acpi_vddci,
1860 						  &table->ACPIState.levels[0].vddci);
1861 	}
1862 
1863 
1864 	mpll_ad_func_cntl &= ~PDNB;
1865 
1866 	mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
1867 
1868 	if (pi->mem_gddr5)
1869 		mpll_dq_func_cntl &= ~PDNB;
1870 	mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS;
1871 
1872 
1873 	mclk_pwrmgt_cntl |= (MRDCKA0_RESET |
1874 			     MRDCKA1_RESET |
1875 			     MRDCKB0_RESET |
1876 			     MRDCKB1_RESET |
1877 			     MRDCKC0_RESET |
1878 			     MRDCKC1_RESET |
1879 			     MRDCKD0_RESET |
1880 			     MRDCKD1_RESET);
1881 
1882 	mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
1883 			      MRDCKA1_PDNB |
1884 			      MRDCKB0_PDNB |
1885 			      MRDCKB1_PDNB |
1886 			      MRDCKC0_PDNB |
1887 			      MRDCKC1_PDNB |
1888 			      MRDCKD0_PDNB |
1889 			      MRDCKD1_PDNB);
1890 
1891 	dll_cntl |= (MRDCKA0_BYPASS |
1892 		     MRDCKA1_BYPASS |
1893 		     MRDCKB0_BYPASS |
1894 		     MRDCKB1_BYPASS |
1895 		     MRDCKC0_BYPASS |
1896 		     MRDCKC1_BYPASS |
1897 		     MRDCKD0_BYPASS |
1898 		     MRDCKD1_BYPASS);
1899 
1900 	spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
1901 	spll_func_cntl_2 |= SCLK_MUX_SEL(4);
1902 
1903 	table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
1904 	table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
1905 	table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
1906 	table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
1907 	table->ACPIState.levels[0].mclk.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
1908 	table->ACPIState.levels[0].mclk.vDLL_CNTL = cpu_to_be32(dll_cntl);
1909 
1910 	table->ACPIState.levels[0].mclk.mclk_value = 0;
1911 
1912 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
1913 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
1914 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
1915 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(spll_func_cntl_4);
1916 
1917 	table->ACPIState.levels[0].sclk.sclk_value = 0;
1918 
1919 	ni_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd);
1920 
1921 	if (eg_pi->dynamic_ac_timing)
1922 		table->ACPIState.levels[0].ACIndex = 1;
1923 
1924 	table->ACPIState.levels[0].dpm2.MaxPS = 0;
1925 	table->ACPIState.levels[0].dpm2.NearTDPDec = 0;
1926 	table->ACPIState.levels[0].dpm2.AboveSafeInc = 0;
1927 	table->ACPIState.levels[0].dpm2.BelowSafeInc = 0;
1928 
1929 	reg = MIN_POWER_MASK | MAX_POWER_MASK;
1930 	table->ACPIState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1931 
1932 	reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1933 	table->ACPIState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1934 
1935 	return 0;
1936 }
1937 
1938 static int ni_init_smc_table(struct radeon_device *rdev)
1939 {
1940 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1941 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1942 	int ret;
1943 	struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
1944 	NISLANDS_SMC_STATETABLE *table = &ni_pi->smc_statetable;
1945 
1946 	memset(table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1947 
1948 	ni_populate_smc_voltage_tables(rdev, table);
1949 
1950 	switch (rdev->pm.int_thermal_type) {
1951 	case THERMAL_TYPE_NI:
1952 	case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
1953 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
1954 		break;
1955 	case THERMAL_TYPE_NONE:
1956 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
1957 		break;
1958 	default:
1959 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
1960 		break;
1961 	}
1962 
1963 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
1964 		table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
1965 
1966 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1967 		table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT;
1968 
1969 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1970 		table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
1971 
1972 	if (pi->mem_gddr5)
1973 		table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
1974 
1975 	ret = ni_populate_smc_initial_state(rdev, radeon_boot_state, table);
1976 	if (ret)
1977 		return ret;
1978 
1979 	ret = ni_populate_smc_acpi_state(rdev, table);
1980 	if (ret)
1981 		return ret;
1982 
1983 	table->driverState = table->initialState;
1984 
1985 	table->ULVState = table->initialState;
1986 
1987 	ret = ni_do_program_memory_timing_parameters(rdev, radeon_boot_state,
1988 						     NISLANDS_INITIAL_STATE_ARB_INDEX);
1989 	if (ret)
1990 		return ret;
1991 
1992 	return rv770_copy_bytes_to_smc(rdev, pi->state_table_start, (u8 *)table,
1993 				       sizeof(NISLANDS_SMC_STATETABLE), pi->sram_end);
1994 }
1995 
1996 static int ni_calculate_sclk_params(struct radeon_device *rdev,
1997 				    u32 engine_clock,
1998 				    NISLANDS_SMC_SCLK_VALUE *sclk)
1999 {
2000 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2001 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2002 	struct atom_clock_dividers dividers;
2003 	u32 spll_func_cntl = ni_pi->clock_registers.cg_spll_func_cntl;
2004 	u32 spll_func_cntl_2 = ni_pi->clock_registers.cg_spll_func_cntl_2;
2005 	u32 spll_func_cntl_3 = ni_pi->clock_registers.cg_spll_func_cntl_3;
2006 	u32 spll_func_cntl_4 = ni_pi->clock_registers.cg_spll_func_cntl_4;
2007 	u32 cg_spll_spread_spectrum = ni_pi->clock_registers.cg_spll_spread_spectrum;
2008 	u32 cg_spll_spread_spectrum_2 = ni_pi->clock_registers.cg_spll_spread_spectrum_2;
2009 	u64 tmp;
2010 	u32 reference_clock = rdev->clock.spll.reference_freq;
2011 	u32 reference_divider;
2012 	u32 fbdiv;
2013 	int ret;
2014 
2015 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2016 					     engine_clock, false, &dividers);
2017 	if (ret)
2018 		return ret;
2019 
2020 	reference_divider = 1 + dividers.ref_div;
2021 
2022 
2023 	tmp = (u64) engine_clock * reference_divider * dividers.post_div * 16834;
2024 	do_div(tmp, reference_clock);
2025 	fbdiv = (u32) tmp;
2026 
2027 	spll_func_cntl &= ~(SPLL_PDIV_A_MASK | SPLL_REF_DIV_MASK);
2028 	spll_func_cntl |= SPLL_REF_DIV(dividers.ref_div);
2029 	spll_func_cntl |= SPLL_PDIV_A(dividers.post_div);
2030 
2031 	spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
2032 	spll_func_cntl_2 |= SCLK_MUX_SEL(2);
2033 
2034 	spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
2035 	spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
2036 	spll_func_cntl_3 |= SPLL_DITHEN;
2037 
2038 	if (pi->sclk_ss) {
2039 		struct radeon_atom_ss ss;
2040 		u32 vco_freq = engine_clock * dividers.post_div;
2041 
2042 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2043 						     ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
2044 			u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
2045 			u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000);
2046 
2047 			cg_spll_spread_spectrum &= ~CLK_S_MASK;
2048 			cg_spll_spread_spectrum |= CLK_S(clk_s);
2049 			cg_spll_spread_spectrum |= SSEN;
2050 
2051 			cg_spll_spread_spectrum_2 &= ~CLK_V_MASK;
2052 			cg_spll_spread_spectrum_2 |= CLK_V(clk_v);
2053 		}
2054 	}
2055 
2056 	sclk->sclk_value = engine_clock;
2057 	sclk->vCG_SPLL_FUNC_CNTL = spll_func_cntl;
2058 	sclk->vCG_SPLL_FUNC_CNTL_2 = spll_func_cntl_2;
2059 	sclk->vCG_SPLL_FUNC_CNTL_3 = spll_func_cntl_3;
2060 	sclk->vCG_SPLL_FUNC_CNTL_4 = spll_func_cntl_4;
2061 	sclk->vCG_SPLL_SPREAD_SPECTRUM = cg_spll_spread_spectrum;
2062 	sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cg_spll_spread_spectrum_2;
2063 
2064 	return 0;
2065 }
2066 
2067 static int ni_populate_sclk_value(struct radeon_device *rdev,
2068 				  u32 engine_clock,
2069 				  NISLANDS_SMC_SCLK_VALUE *sclk)
2070 {
2071 	NISLANDS_SMC_SCLK_VALUE sclk_tmp;
2072 	int ret;
2073 
2074 	ret = ni_calculate_sclk_params(rdev, engine_clock, &sclk_tmp);
2075 	if (!ret) {
2076 		sclk->sclk_value = cpu_to_be32(sclk_tmp.sclk_value);
2077 		sclk->vCG_SPLL_FUNC_CNTL = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL);
2078 		sclk->vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_2);
2079 		sclk->vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_3);
2080 		sclk->vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_4);
2081 		sclk->vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM);
2082 		sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM_2);
2083 	}
2084 
2085 	return ret;
2086 }
2087 
2088 static int ni_init_smc_spll_table(struct radeon_device *rdev)
2089 {
2090 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2091 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2092 	SMC_NISLANDS_SPLL_DIV_TABLE *spll_table;
2093 	NISLANDS_SMC_SCLK_VALUE sclk_params;
2094 	u32 fb_div;
2095 	u32 p_div;
2096 	u32 clk_s;
2097 	u32 clk_v;
2098 	u32 sclk = 0;
2099 	int i, ret;
2100 	u32 tmp;
2101 
2102 	if (ni_pi->spll_table_start == 0)
2103 		return -EINVAL;
2104 
2105 	spll_table = kzalloc(sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), GFP_KERNEL);
2106 	if (spll_table == NULL)
2107 		return -ENOMEM;
2108 
2109 	for (i = 0; i < 256; i++) {
2110 		ret = ni_calculate_sclk_params(rdev, sclk, &sclk_params);
2111 		if (ret)
2112 			break;
2113 
2114 		p_div = (sclk_params.vCG_SPLL_FUNC_CNTL & SPLL_PDIV_A_MASK) >> SPLL_PDIV_A_SHIFT;
2115 		fb_div = (sclk_params.vCG_SPLL_FUNC_CNTL_3 & SPLL_FB_DIV_MASK) >> SPLL_FB_DIV_SHIFT;
2116 		clk_s = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM & CLK_S_MASK) >> CLK_S_SHIFT;
2117 		clk_v = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM_2 & CLK_V_MASK) >> CLK_V_SHIFT;
2118 
2119 		fb_div &= ~0x00001FFF;
2120 		fb_div >>= 1;
2121 		clk_v >>= 6;
2122 
2123 		if (p_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT))
2124 			ret = -EINVAL;
2125 
2126 		if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2127 			ret = -EINVAL;
2128 
2129 		if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2130 			ret = -EINVAL;
2131 
2132 		if (clk_v & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT))
2133 			ret = -EINVAL;
2134 
2135 		if (ret)
2136 			break;
2137 
2138 		tmp = ((fb_div << SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK) |
2139 			((p_div << SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK);
2140 		spll_table->freq[i] = cpu_to_be32(tmp);
2141 
2142 		tmp = ((clk_v << SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK) |
2143 			((clk_s << SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK);
2144 		spll_table->ss[i] = cpu_to_be32(tmp);
2145 
2146 		sclk += 512;
2147 	}
2148 
2149 	if (!ret)
2150 		ret = rv770_copy_bytes_to_smc(rdev, ni_pi->spll_table_start, (u8 *)spll_table,
2151 					      sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), pi->sram_end);
2152 
2153 	kfree(spll_table);
2154 
2155 	return ret;
2156 }
2157 
2158 static int ni_populate_mclk_value(struct radeon_device *rdev,
2159 				  u32 engine_clock,
2160 				  u32 memory_clock,
2161 				  NISLANDS_SMC_MCLK_VALUE *mclk,
2162 				  bool strobe_mode,
2163 				  bool dll_state_on)
2164 {
2165 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2166 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2167 	u32 mpll_ad_func_cntl = ni_pi->clock_registers.mpll_ad_func_cntl;
2168 	u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
2169 	u32 mpll_dq_func_cntl = ni_pi->clock_registers.mpll_dq_func_cntl;
2170 	u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
2171 	u32 mclk_pwrmgt_cntl = ni_pi->clock_registers.mclk_pwrmgt_cntl;
2172 	u32 dll_cntl = ni_pi->clock_registers.dll_cntl;
2173 	u32 mpll_ss1 = ni_pi->clock_registers.mpll_ss1;
2174 	u32 mpll_ss2 = ni_pi->clock_registers.mpll_ss2;
2175 	struct atom_clock_dividers dividers;
2176 	u32 ibias;
2177 	u32 dll_speed;
2178 	int ret;
2179 	u32 mc_seq_misc7;
2180 
2181 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
2182 					     memory_clock, strobe_mode, &dividers);
2183 	if (ret)
2184 		return ret;
2185 
2186 	if (!strobe_mode) {
2187 		mc_seq_misc7 = RREG32(MC_SEQ_MISC7);
2188 
2189 		if (mc_seq_misc7 & 0x8000000)
2190 			dividers.post_div = 1;
2191 	}
2192 
2193 	ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div);
2194 
2195 	mpll_ad_func_cntl &= ~(CLKR_MASK |
2196 			       YCLK_POST_DIV_MASK |
2197 			       CLKF_MASK |
2198 			       CLKFRAC_MASK |
2199 			       IBIAS_MASK);
2200 	mpll_ad_func_cntl |= CLKR(dividers.ref_div);
2201 	mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2202 	mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div);
2203 	mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2204 	mpll_ad_func_cntl |= IBIAS(ibias);
2205 
2206 	if (dividers.vco_mode)
2207 		mpll_ad_func_cntl_2 |= VCO_MODE;
2208 	else
2209 		mpll_ad_func_cntl_2 &= ~VCO_MODE;
2210 
2211 	if (pi->mem_gddr5) {
2212 		mpll_dq_func_cntl &= ~(CLKR_MASK |
2213 				       YCLK_POST_DIV_MASK |
2214 				       CLKF_MASK |
2215 				       CLKFRAC_MASK |
2216 				       IBIAS_MASK);
2217 		mpll_dq_func_cntl |= CLKR(dividers.ref_div);
2218 		mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2219 		mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div);
2220 		mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2221 		mpll_dq_func_cntl |= IBIAS(ibias);
2222 
2223 		if (strobe_mode)
2224 			mpll_dq_func_cntl &= ~PDNB;
2225 		else
2226 			mpll_dq_func_cntl |= PDNB;
2227 
2228 		if (dividers.vco_mode)
2229 			mpll_dq_func_cntl_2 |= VCO_MODE;
2230 		else
2231 			mpll_dq_func_cntl_2 &= ~VCO_MODE;
2232 	}
2233 
2234 	if (pi->mclk_ss) {
2235 		struct radeon_atom_ss ss;
2236 		u32 vco_freq = memory_clock * dividers.post_div;
2237 
2238 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2239 						     ASIC_INTERNAL_MEMORY_SS, vco_freq)) {
2240 			u32 reference_clock = rdev->clock.mpll.reference_freq;
2241 			u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div);
2242 			u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate);
2243 			u32 clk_v = ss.percentage *
2244 				(0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625);
2245 
2246 			mpll_ss1 &= ~CLKV_MASK;
2247 			mpll_ss1 |= CLKV(clk_v);
2248 
2249 			mpll_ss2 &= ~CLKS_MASK;
2250 			mpll_ss2 |= CLKS(clk_s);
2251 		}
2252 	}
2253 
2254 	dll_speed = rv740_get_dll_speed(pi->mem_gddr5,
2255 					memory_clock);
2256 
2257 	mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK;
2258 	mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed);
2259 	if (dll_state_on)
2260 		mclk_pwrmgt_cntl |= (MRDCKA0_PDNB |
2261 				     MRDCKA1_PDNB |
2262 				     MRDCKB0_PDNB |
2263 				     MRDCKB1_PDNB |
2264 				     MRDCKC0_PDNB |
2265 				     MRDCKC1_PDNB |
2266 				     MRDCKD0_PDNB |
2267 				     MRDCKD1_PDNB);
2268 	else
2269 		mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
2270 				      MRDCKA1_PDNB |
2271 				      MRDCKB0_PDNB |
2272 				      MRDCKB1_PDNB |
2273 				      MRDCKC0_PDNB |
2274 				      MRDCKC1_PDNB |
2275 				      MRDCKD0_PDNB |
2276 				      MRDCKD1_PDNB);
2277 
2278 
2279 	mclk->mclk_value = cpu_to_be32(memory_clock);
2280 	mclk->vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
2281 	mclk->vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
2282 	mclk->vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
2283 	mclk->vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
2284 	mclk->vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
2285 	mclk->vDLL_CNTL = cpu_to_be32(dll_cntl);
2286 	mclk->vMPLL_SS = cpu_to_be32(mpll_ss1);
2287 	mclk->vMPLL_SS2 = cpu_to_be32(mpll_ss2);
2288 
2289 	return 0;
2290 }
2291 
2292 static void ni_populate_smc_sp(struct radeon_device *rdev,
2293 			       struct radeon_ps *radeon_state,
2294 			       NISLANDS_SMC_SWSTATE *smc_state)
2295 {
2296 	struct ni_ps *ps = ni_get_ps(radeon_state);
2297 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2298 	int i;
2299 
2300 	for (i = 0; i < ps->performance_level_count - 1; i++)
2301 		smc_state->levels[i].bSP = cpu_to_be32(pi->dsp);
2302 
2303 	smc_state->levels[ps->performance_level_count - 1].bSP =
2304 		cpu_to_be32(pi->psp);
2305 }
2306 
2307 static int ni_convert_power_level_to_smc(struct radeon_device *rdev,
2308 					 struct rv7xx_pl *pl,
2309 					 NISLANDS_SMC_HW_PERFORMANCE_LEVEL *level)
2310 {
2311 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2312 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2313 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2314 	int ret;
2315 	bool dll_state_on;
2316 	u16 std_vddc;
2317 	u32 tmp = RREG32(DC_STUTTER_CNTL);
2318 
2319 	level->gen2PCIE = pi->pcie_gen2 ?
2320 		((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0;
2321 
2322 	ret = ni_populate_sclk_value(rdev, pl->sclk, &level->sclk);
2323 	if (ret)
2324 		return ret;
2325 
2326 	level->mcFlags =  0;
2327 	if (pi->mclk_stutter_mode_threshold &&
2328 	    (pl->mclk <= pi->mclk_stutter_mode_threshold) &&
2329 	    !eg_pi->uvd_enabled &&
2330 	    (tmp & DC_STUTTER_ENABLE_A) &&
2331 	    (tmp & DC_STUTTER_ENABLE_B))
2332 		level->mcFlags |= NISLANDS_SMC_MC_STUTTER_EN;
2333 
2334 	if (pi->mem_gddr5) {
2335 		if (pl->mclk > pi->mclk_edc_enable_threshold)
2336 			level->mcFlags |= NISLANDS_SMC_MC_EDC_RD_FLAG;
2337 		if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold)
2338 			level->mcFlags |= NISLANDS_SMC_MC_EDC_WR_FLAG;
2339 
2340 		level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk);
2341 
2342 		if (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) {
2343 			if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >=
2344 			    ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf))
2345 				dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
2346 			else
2347 				dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false;
2348 		} else {
2349 			dll_state_on = false;
2350 			if (pl->mclk > ni_pi->mclk_rtt_mode_threshold)
2351 				level->mcFlags |= NISLANDS_SMC_MC_RTT_ENABLE;
2352 		}
2353 
2354 		ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk,
2355 					     &level->mclk,
2356 					     (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) != 0,
2357 					     dll_state_on);
2358 	} else
2359 		ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk, &level->mclk, 1, 1);
2360 
2361 	if (ret)
2362 		return ret;
2363 
2364 	ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
2365 					pl->vddc, &level->vddc);
2366 	if (ret)
2367 		return ret;
2368 
2369 	ret = ni_get_std_voltage_value(rdev, &level->vddc, &std_vddc);
2370 	if (ret)
2371 		return ret;
2372 
2373 	ni_populate_std_voltage_value(rdev, std_vddc,
2374 				      level->vddc.index, &level->std_vddc);
2375 
2376 	if (eg_pi->vddci_control) {
2377 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table,
2378 						pl->vddci, &level->vddci);
2379 		if (ret)
2380 			return ret;
2381 	}
2382 
2383 	ni_populate_mvdd_value(rdev, pl->mclk, &level->mvdd);
2384 
2385 	return ret;
2386 }
2387 
2388 static int ni_populate_smc_t(struct radeon_device *rdev,
2389 			     struct radeon_ps *radeon_state,
2390 			     NISLANDS_SMC_SWSTATE *smc_state)
2391 {
2392 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2393 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2394 	struct ni_ps *state = ni_get_ps(radeon_state);
2395 	u32 a_t;
2396 	u32 t_l, t_h;
2397 	u32 high_bsp;
2398 	int i, ret;
2399 
2400 	if (state->performance_level_count >= 9)
2401 		return -EINVAL;
2402 
2403 	if (state->performance_level_count < 2) {
2404 		a_t = CG_R(0xffff) | CG_L(0);
2405 		smc_state->levels[0].aT = cpu_to_be32(a_t);
2406 		return 0;
2407 	}
2408 
2409 	smc_state->levels[0].aT = cpu_to_be32(0);
2410 
2411 	for (i = 0; i <= state->performance_level_count - 2; i++) {
2412 		if (eg_pi->uvd_enabled)
2413 			ret = r600_calculate_at(
2414 				1000 * (i * (eg_pi->smu_uvd_hs ? 2 : 8) + 2),
2415 				100 * R600_AH_DFLT,
2416 				state->performance_levels[i + 1].sclk,
2417 				state->performance_levels[i].sclk,
2418 				&t_l,
2419 				&t_h);
2420 		else
2421 			ret = r600_calculate_at(
2422 				1000 * (i + 1),
2423 				100 * R600_AH_DFLT,
2424 				state->performance_levels[i + 1].sclk,
2425 				state->performance_levels[i].sclk,
2426 				&t_l,
2427 				&t_h);
2428 
2429 		if (ret) {
2430 			t_h = (i + 1) * 1000 - 50 * R600_AH_DFLT;
2431 			t_l = (i + 1) * 1000 + 50 * R600_AH_DFLT;
2432 		}
2433 
2434 		a_t = be32_to_cpu(smc_state->levels[i].aT) & ~CG_R_MASK;
2435 		a_t |= CG_R(t_l * pi->bsp / 20000);
2436 		smc_state->levels[i].aT = cpu_to_be32(a_t);
2437 
2438 		high_bsp = (i == state->performance_level_count - 2) ?
2439 			pi->pbsp : pi->bsp;
2440 
2441 		a_t = CG_R(0xffff) | CG_L(t_h * high_bsp / 20000);
2442 		smc_state->levels[i + 1].aT = cpu_to_be32(a_t);
2443 	}
2444 
2445 	return 0;
2446 }
2447 
2448 static int ni_populate_power_containment_values(struct radeon_device *rdev,
2449 						struct radeon_ps *radeon_state,
2450 						NISLANDS_SMC_SWSTATE *smc_state)
2451 {
2452 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2453 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2454 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2455 	struct ni_ps *state = ni_get_ps(radeon_state);
2456 	u32 prev_sclk;
2457 	u32 max_sclk;
2458 	u32 min_sclk;
2459 	int i, ret;
2460 	u32 tdp_limit;
2461 	u32 near_tdp_limit;
2462 	u32 power_boost_limit;
2463 	u8 max_ps_percent;
2464 
2465 	if (ni_pi->enable_power_containment == false)
2466 		return 0;
2467 
2468 	if (state->performance_level_count == 0)
2469 		return -EINVAL;
2470 
2471 	if (smc_state->levelCount != state->performance_level_count)
2472 		return -EINVAL;
2473 
2474 	ret = ni_calculate_adjusted_tdp_limits(rdev,
2475 					       false, /* ??? */
2476 					       rdev->pm.dpm.tdp_adjustment,
2477 					       &tdp_limit,
2478 					       &near_tdp_limit);
2479 	if (ret)
2480 		return ret;
2481 
2482 	power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state, near_tdp_limit);
2483 
2484 	ret = rv770_write_smc_sram_dword(rdev,
2485 					 pi->state_table_start +
2486 					 offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
2487 					 offsetof(PP_NIslands_DPM2Parameters, PowerBoostLimit),
2488 					 ni_scale_power_for_smc(power_boost_limit, ni_get_smc_power_scaling_factor(rdev)),
2489 					 pi->sram_end);
2490 	if (ret)
2491 		power_boost_limit = 0;
2492 
2493 	smc_state->levels[0].dpm2.MaxPS = 0;
2494 	smc_state->levels[0].dpm2.NearTDPDec = 0;
2495 	smc_state->levels[0].dpm2.AboveSafeInc = 0;
2496 	smc_state->levels[0].dpm2.BelowSafeInc = 0;
2497 	smc_state->levels[0].stateFlags |= power_boost_limit ? PPSMC_STATEFLAG_POWERBOOST : 0;
2498 
2499 	for (i = 1; i < state->performance_level_count; i++) {
2500 		prev_sclk = state->performance_levels[i-1].sclk;
2501 		max_sclk  = state->performance_levels[i].sclk;
2502 		max_ps_percent = (i != (state->performance_level_count - 1)) ?
2503 			NISLANDS_DPM2_MAXPS_PERCENT_M : NISLANDS_DPM2_MAXPS_PERCENT_H;
2504 
2505 		if (max_sclk < prev_sclk)
2506 			return -EINVAL;
2507 
2508 		if ((max_ps_percent == 0) || (prev_sclk == max_sclk) || eg_pi->uvd_enabled)
2509 			min_sclk = max_sclk;
2510 		else if (1 == i)
2511 			min_sclk = prev_sclk;
2512 		else
2513 			min_sclk = (prev_sclk * (u32)max_ps_percent) / 100;
2514 
2515 		if (min_sclk < state->performance_levels[0].sclk)
2516 			min_sclk = state->performance_levels[0].sclk;
2517 
2518 		if (min_sclk == 0)
2519 			return -EINVAL;
2520 
2521 		smc_state->levels[i].dpm2.MaxPS =
2522 			(u8)((NISLANDS_DPM2_MAX_PULSE_SKIP * (max_sclk - min_sclk)) / max_sclk);
2523 		smc_state->levels[i].dpm2.NearTDPDec = NISLANDS_DPM2_NEAR_TDP_DEC;
2524 		smc_state->levels[i].dpm2.AboveSafeInc = NISLANDS_DPM2_ABOVE_SAFE_INC;
2525 		smc_state->levels[i].dpm2.BelowSafeInc = NISLANDS_DPM2_BELOW_SAFE_INC;
2526 		smc_state->levels[i].stateFlags |=
2527 			((i != (state->performance_level_count - 1)) && power_boost_limit) ?
2528 			PPSMC_STATEFLAG_POWERBOOST : 0;
2529 	}
2530 
2531 	return 0;
2532 }
2533 
2534 static int ni_populate_sq_ramping_values(struct radeon_device *rdev,
2535 					 struct radeon_ps *radeon_state,
2536 					 NISLANDS_SMC_SWSTATE *smc_state)
2537 {
2538 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2539 	struct ni_ps *state = ni_get_ps(radeon_state);
2540 	u32 sq_power_throttle;
2541 	u32 sq_power_throttle2;
2542 	bool enable_sq_ramping = ni_pi->enable_sq_ramping;
2543 	int i;
2544 
2545 	if (state->performance_level_count == 0)
2546 		return -EINVAL;
2547 
2548 	if (smc_state->levelCount != state->performance_level_count)
2549 		return -EINVAL;
2550 
2551 	if (rdev->pm.dpm.sq_ramping_threshold == 0)
2552 		return -EINVAL;
2553 
2554 	if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER > (MAX_POWER_MASK >> MAX_POWER_SHIFT))
2555 		enable_sq_ramping = false;
2556 
2557 	if (NISLANDS_DPM2_SQ_RAMP_MIN_POWER > (MIN_POWER_MASK >> MIN_POWER_SHIFT))
2558 		enable_sq_ramping = false;
2559 
2560 	if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA > (MAX_POWER_DELTA_MASK >> MAX_POWER_DELTA_SHIFT))
2561 		enable_sq_ramping = false;
2562 
2563 	if (NISLANDS_DPM2_SQ_RAMP_STI_SIZE > (STI_SIZE_MASK >> STI_SIZE_SHIFT))
2564 		enable_sq_ramping = false;
2565 
2566 	if (NISLANDS_DPM2_SQ_RAMP_LTI_RATIO > (LTI_RATIO_MASK >> LTI_RATIO_SHIFT))
2567 		enable_sq_ramping = false;
2568 
2569 	for (i = 0; i < state->performance_level_count; i++) {
2570 		sq_power_throttle  = 0;
2571 		sq_power_throttle2 = 0;
2572 
2573 		if ((state->performance_levels[i].sclk >= rdev->pm.dpm.sq_ramping_threshold) &&
2574 		    enable_sq_ramping) {
2575 			sq_power_throttle |= MAX_POWER(NISLANDS_DPM2_SQ_RAMP_MAX_POWER);
2576 			sq_power_throttle |= MIN_POWER(NISLANDS_DPM2_SQ_RAMP_MIN_POWER);
2577 			sq_power_throttle2 |= MAX_POWER_DELTA(NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA);
2578 			sq_power_throttle2 |= STI_SIZE(NISLANDS_DPM2_SQ_RAMP_STI_SIZE);
2579 			sq_power_throttle2 |= LTI_RATIO(NISLANDS_DPM2_SQ_RAMP_LTI_RATIO);
2580 		} else {
2581 			sq_power_throttle |= MAX_POWER_MASK | MIN_POWER_MASK;
2582 			sq_power_throttle2 |= MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
2583 		}
2584 
2585 		smc_state->levels[i].SQPowerThrottle   = cpu_to_be32(sq_power_throttle);
2586 		smc_state->levels[i].SQPowerThrottle_2 = cpu_to_be32(sq_power_throttle2);
2587 	}
2588 
2589 	return 0;
2590 }
2591 
2592 static int ni_enable_power_containment(struct radeon_device *rdev,
2593 				       struct radeon_ps *radeon_new_state,
2594 				       bool enable)
2595 {
2596 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2597 	PPSMC_Result smc_result;
2598 	int ret = 0;
2599 
2600 	if (ni_pi->enable_power_containment) {
2601 		if (enable) {
2602 			if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
2603 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingActive);
2604 				if (smc_result != PPSMC_Result_OK) {
2605 					ret = -EINVAL;
2606 					ni_pi->pc_enabled = false;
2607 				} else {
2608 					ni_pi->pc_enabled = true;
2609 				}
2610 			}
2611 		} else {
2612 			smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingInactive);
2613 			if (smc_result != PPSMC_Result_OK)
2614 				ret = -EINVAL;
2615 			ni_pi->pc_enabled = false;
2616 		}
2617 	}
2618 
2619 	return ret;
2620 }
2621 
2622 static int ni_convert_power_state_to_smc(struct radeon_device *rdev,
2623 					 struct radeon_ps *radeon_state,
2624 					 NISLANDS_SMC_SWSTATE *smc_state)
2625 {
2626 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2627 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2628 	struct ni_ps *state = ni_get_ps(radeon_state);
2629 	int i, ret;
2630 	u32 threshold = state->performance_levels[state->performance_level_count - 1].sclk * 100 / 100;
2631 
2632 	if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC))
2633 		smc_state->flags |= PPSMC_SWSTATE_FLAG_DC;
2634 
2635 	smc_state->levelCount = 0;
2636 
2637 	if (state->performance_level_count > NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE)
2638 		return -EINVAL;
2639 
2640 	for (i = 0; i < state->performance_level_count; i++) {
2641 		ret = ni_convert_power_level_to_smc(rdev, &state->performance_levels[i],
2642 						    &smc_state->levels[i]);
2643 		smc_state->levels[i].arbRefreshState =
2644 			(u8)(NISLANDS_DRIVER_STATE_ARB_INDEX + i);
2645 
2646 		if (ret)
2647 			return ret;
2648 
2649 		if (ni_pi->enable_power_containment)
2650 			smc_state->levels[i].displayWatermark =
2651 				(state->performance_levels[i].sclk < threshold) ?
2652 				PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2653 		else
2654 			smc_state->levels[i].displayWatermark = (i < 2) ?
2655 				PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2656 
2657 		if (eg_pi->dynamic_ac_timing)
2658 			smc_state->levels[i].ACIndex = NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i;
2659 		else
2660 			smc_state->levels[i].ACIndex = 0;
2661 
2662 		smc_state->levelCount++;
2663 	}
2664 
2665 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_watermark_threshold,
2666 				      cpu_to_be32(threshold / 512));
2667 
2668 	ni_populate_smc_sp(rdev, radeon_state, smc_state);
2669 
2670 	ret = ni_populate_power_containment_values(rdev, radeon_state, smc_state);
2671 	if (ret)
2672 		ni_pi->enable_power_containment = false;
2673 
2674 	ret = ni_populate_sq_ramping_values(rdev, radeon_state, smc_state);
2675 	if (ret)
2676 		ni_pi->enable_sq_ramping = false;
2677 
2678 	return ni_populate_smc_t(rdev, radeon_state, smc_state);
2679 }
2680 
2681 static int ni_upload_sw_state(struct radeon_device *rdev,
2682 			      struct radeon_ps *radeon_new_state)
2683 {
2684 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2685 	u16 address = pi->state_table_start +
2686 		offsetof(NISLANDS_SMC_STATETABLE, driverState);
2687 	u16 state_size = sizeof(NISLANDS_SMC_SWSTATE) +
2688 		((NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1) * sizeof(NISLANDS_SMC_HW_PERFORMANCE_LEVEL));
2689 	int ret;
2690 	NISLANDS_SMC_SWSTATE *smc_state = kzalloc(state_size, GFP_KERNEL);
2691 
2692 	if (smc_state == NULL)
2693 		return -ENOMEM;
2694 
2695 	ret = ni_convert_power_state_to_smc(rdev, radeon_new_state, smc_state);
2696 	if (ret)
2697 		goto done;
2698 
2699 	ret = rv770_copy_bytes_to_smc(rdev, address, (u8 *)smc_state, state_size, pi->sram_end);
2700 
2701 done:
2702 	kfree(smc_state);
2703 
2704 	return ret;
2705 }
2706 
2707 static int ni_set_mc_special_registers(struct radeon_device *rdev,
2708 				       struct ni_mc_reg_table *table)
2709 {
2710 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2711 	u8 i, j, k;
2712 	u32 temp_reg;
2713 
2714 	for (i = 0, j = table->last; i < table->last; i++) {
2715 		switch (table->mc_reg_address[i].s1) {
2716 		case MC_SEQ_MISC1 >> 2:
2717 			if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2718 				return -EINVAL;
2719 			temp_reg = RREG32(MC_PMG_CMD_EMRS);
2720 			table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
2721 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2722 			for (k = 0; k < table->num_entries; k++)
2723 				table->mc_reg_table_entry[k].mc_data[j] =
2724 					((temp_reg & 0xffff0000)) |
2725 					((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
2726 			j++;
2727 			if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2728 				return -EINVAL;
2729 
2730 			temp_reg = RREG32(MC_PMG_CMD_MRS);
2731 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
2732 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2733 			for(k = 0; k < table->num_entries; k++) {
2734 				table->mc_reg_table_entry[k].mc_data[j] =
2735 					(temp_reg & 0xffff0000) |
2736 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2737 				if (!pi->mem_gddr5)
2738 					table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
2739 			}
2740 			j++;
2741 			if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2742 				return -EINVAL;
2743 			break;
2744 		case MC_SEQ_RESERVE_M >> 2:
2745 			temp_reg = RREG32(MC_PMG_CMD_MRS1);
2746 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
2747 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2748 			for (k = 0; k < table->num_entries; k++)
2749 				table->mc_reg_table_entry[k].mc_data[j] =
2750 					(temp_reg & 0xffff0000) |
2751 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2752 			j++;
2753 			if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2754 				return -EINVAL;
2755 			break;
2756 		default:
2757 			break;
2758 		}
2759 	}
2760 
2761 	table->last = j;
2762 
2763 	return 0;
2764 }
2765 
2766 static bool ni_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
2767 {
2768 	bool result = true;
2769 
2770 	switch (in_reg) {
2771 	case  MC_SEQ_RAS_TIMING >> 2:
2772 		*out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
2773 		break;
2774 	case MC_SEQ_CAS_TIMING >> 2:
2775 		*out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
2776 		break;
2777 	case MC_SEQ_MISC_TIMING >> 2:
2778 		*out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
2779 		break;
2780 	case MC_SEQ_MISC_TIMING2 >> 2:
2781 		*out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
2782 		break;
2783 	case MC_SEQ_RD_CTL_D0 >> 2:
2784 		*out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
2785 		break;
2786 	case MC_SEQ_RD_CTL_D1 >> 2:
2787 		*out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
2788 		break;
2789 	case MC_SEQ_WR_CTL_D0 >> 2:
2790 		*out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
2791 		break;
2792 	case MC_SEQ_WR_CTL_D1 >> 2:
2793 		*out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
2794 		break;
2795 	case MC_PMG_CMD_EMRS >> 2:
2796 		*out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2797 		break;
2798 	case MC_PMG_CMD_MRS >> 2:
2799 		*out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2800 		break;
2801 	case MC_PMG_CMD_MRS1 >> 2:
2802 		*out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2803 		break;
2804 	case MC_SEQ_PMG_TIMING >> 2:
2805 		*out_reg = MC_SEQ_PMG_TIMING_LP >> 2;
2806 		break;
2807 	case MC_PMG_CMD_MRS2 >> 2:
2808 		*out_reg = MC_SEQ_PMG_CMD_MRS2_LP >> 2;
2809 		break;
2810 	default:
2811 		result = false;
2812 		break;
2813 	}
2814 
2815 	return result;
2816 }
2817 
2818 static void ni_set_valid_flag(struct ni_mc_reg_table *table)
2819 {
2820 	u8 i, j;
2821 
2822 	for (i = 0; i < table->last; i++) {
2823 		for (j = 1; j < table->num_entries; j++) {
2824 			if (table->mc_reg_table_entry[j-1].mc_data[i] != table->mc_reg_table_entry[j].mc_data[i]) {
2825 				table->valid_flag |= 1 << i;
2826 				break;
2827 			}
2828 		}
2829 	}
2830 }
2831 
2832 static void ni_set_s0_mc_reg_index(struct ni_mc_reg_table *table)
2833 {
2834 	u32 i;
2835 	u16 address;
2836 
2837 	for (i = 0; i < table->last; i++)
2838 		table->mc_reg_address[i].s0 =
2839 			ni_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
2840 			address : table->mc_reg_address[i].s1;
2841 }
2842 
2843 static int ni_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
2844 				      struct ni_mc_reg_table *ni_table)
2845 {
2846 	u8 i, j;
2847 
2848 	if (table->last > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2849 		return -EINVAL;
2850 	if (table->num_entries > MAX_AC_TIMING_ENTRIES)
2851 		return -EINVAL;
2852 
2853 	for (i = 0; i < table->last; i++)
2854 		ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
2855 	ni_table->last = table->last;
2856 
2857 	for (i = 0; i < table->num_entries; i++) {
2858 		ni_table->mc_reg_table_entry[i].mclk_max =
2859 			table->mc_reg_table_entry[i].mclk_max;
2860 		for (j = 0; j < table->last; j++)
2861 			ni_table->mc_reg_table_entry[i].mc_data[j] =
2862 				table->mc_reg_table_entry[i].mc_data[j];
2863 	}
2864 	ni_table->num_entries = table->num_entries;
2865 
2866 	return 0;
2867 }
2868 
2869 static int ni_initialize_mc_reg_table(struct radeon_device *rdev)
2870 {
2871 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2872 	int ret;
2873 	struct atom_mc_reg_table *table;
2874 	struct ni_mc_reg_table *ni_table = &ni_pi->mc_reg_table;
2875 	u8 module_index = rv770_get_memory_module_index(rdev);
2876 
2877 	table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
2878 	if (!table)
2879 		return -ENOMEM;
2880 
2881 	WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
2882 	WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
2883 	WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
2884 	WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
2885 	WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
2886 	WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
2887 	WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
2888 	WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
2889 	WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
2890 	WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
2891 	WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
2892 	WREG32(MC_SEQ_PMG_TIMING_LP, RREG32(MC_SEQ_PMG_TIMING));
2893 	WREG32(MC_SEQ_PMG_CMD_MRS2_LP, RREG32(MC_PMG_CMD_MRS2));
2894 
2895 	ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);
2896 
2897 	if (ret)
2898 		goto init_mc_done;
2899 
2900 	ret = ni_copy_vbios_mc_reg_table(table, ni_table);
2901 
2902 	if (ret)
2903 		goto init_mc_done;
2904 
2905 	ni_set_s0_mc_reg_index(ni_table);
2906 
2907 	ret = ni_set_mc_special_registers(rdev, ni_table);
2908 
2909 	if (ret)
2910 		goto init_mc_done;
2911 
2912 	ni_set_valid_flag(ni_table);
2913 
2914 init_mc_done:
2915 	kfree(table);
2916 
2917 	return ret;
2918 }
2919 
2920 static void ni_populate_mc_reg_addresses(struct radeon_device *rdev,
2921 					 SMC_NIslands_MCRegisters *mc_reg_table)
2922 {
2923 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2924 	u32 i, j;
2925 
2926 	for (i = 0, j = 0; j < ni_pi->mc_reg_table.last; j++) {
2927 		if (ni_pi->mc_reg_table.valid_flag & (1 << j)) {
2928 			if (i >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2929 				break;
2930 			mc_reg_table->address[i].s0 =
2931 				cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s0);
2932 			mc_reg_table->address[i].s1 =
2933 				cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s1);
2934 			i++;
2935 		}
2936 	}
2937 	mc_reg_table->last = (u8)i;
2938 }
2939 
2940 
2941 static void ni_convert_mc_registers(struct ni_mc_reg_entry *entry,
2942 				    SMC_NIslands_MCRegisterSet *data,
2943 				    u32 num_entries, u32 valid_flag)
2944 {
2945 	u32 i, j;
2946 
2947 	for (i = 0, j = 0; j < num_entries; j++) {
2948 		if (valid_flag & (1 << j)) {
2949 			data->value[i] = cpu_to_be32(entry->mc_data[j]);
2950 			i++;
2951 		}
2952 	}
2953 }
2954 
2955 static void ni_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev,
2956 						 struct rv7xx_pl *pl,
2957 						 SMC_NIslands_MCRegisterSet *mc_reg_table_data)
2958 {
2959 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2960 	u32 i = 0;
2961 
2962 	for (i = 0; i < ni_pi->mc_reg_table.num_entries; i++) {
2963 		if (pl->mclk <= ni_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max)
2964 			break;
2965 	}
2966 
2967 	if ((i == ni_pi->mc_reg_table.num_entries) && (i > 0))
2968 		--i;
2969 
2970 	ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[i],
2971 				mc_reg_table_data,
2972 				ni_pi->mc_reg_table.last,
2973 				ni_pi->mc_reg_table.valid_flag);
2974 }
2975 
2976 static void ni_convert_mc_reg_table_to_smc(struct radeon_device *rdev,
2977 					   struct radeon_ps *radeon_state,
2978 					   SMC_NIslands_MCRegisters *mc_reg_table)
2979 {
2980 	struct ni_ps *state = ni_get_ps(radeon_state);
2981 	int i;
2982 
2983 	for (i = 0; i < state->performance_level_count; i++) {
2984 		ni_convert_mc_reg_table_entry_to_smc(rdev,
2985 						     &state->performance_levels[i],
2986 						     &mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i]);
2987 	}
2988 }
2989 
2990 static int ni_populate_mc_reg_table(struct radeon_device *rdev,
2991 				    struct radeon_ps *radeon_boot_state)
2992 {
2993 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2994 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2995 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2996 	struct ni_ps *boot_state = ni_get_ps(radeon_boot_state);
2997 	SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
2998 
2999 	memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3000 
3001 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_seq_index, 1);
3002 
3003 	ni_populate_mc_reg_addresses(rdev, mc_reg_table);
3004 
3005 	ni_convert_mc_reg_table_entry_to_smc(rdev, &boot_state->performance_levels[0],
3006 					     &mc_reg_table->data[0]);
3007 
3008 	ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[0],
3009 				&mc_reg_table->data[1],
3010 				ni_pi->mc_reg_table.last,
3011 				ni_pi->mc_reg_table.valid_flag);
3012 
3013 	ni_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, mc_reg_table);
3014 
3015 	return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start,
3016 				       (u8 *)mc_reg_table,
3017 				       sizeof(SMC_NIslands_MCRegisters),
3018 				       pi->sram_end);
3019 }
3020 
3021 static int ni_upload_mc_reg_table(struct radeon_device *rdev,
3022 				  struct radeon_ps *radeon_new_state)
3023 {
3024 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3025 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3026 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3027 	struct ni_ps *ni_new_state = ni_get_ps(radeon_new_state);
3028 	SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
3029 	u16 address;
3030 
3031 	memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3032 
3033 	ni_convert_mc_reg_table_to_smc(rdev, radeon_new_state, mc_reg_table);
3034 
3035 	address = eg_pi->mc_reg_table_start +
3036 		(u16)offsetof(SMC_NIslands_MCRegisters, data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT]);
3037 
3038 	return rv770_copy_bytes_to_smc(rdev, address,
3039 				       (u8 *)&mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT],
3040 				       sizeof(SMC_NIslands_MCRegisterSet) * ni_new_state->performance_level_count,
3041 				       pi->sram_end);
3042 }
3043 
3044 static int ni_init_driver_calculated_leakage_table(struct radeon_device *rdev,
3045 						   PP_NIslands_CACTABLES *cac_tables)
3046 {
3047 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3048 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3049 	u32 leakage = 0;
3050 	unsigned int i, j, table_size;
3051 	s32 t;
3052 	u32 smc_leakage, max_leakage = 0;
3053 	u32 scaling_factor;
3054 
3055 	table_size = eg_pi->vddc_voltage_table.count;
3056 
3057 	if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3058 		table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3059 
3060 	scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3061 
3062 	for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++) {
3063 		for (j = 0; j < table_size; j++) {
3064 			t = (1000 * ((i + 1) * 8));
3065 
3066 			if (t < ni_pi->cac_data.leakage_minimum_temperature)
3067 				t = ni_pi->cac_data.leakage_minimum_temperature;
3068 
3069 			ni_calculate_leakage_for_v_and_t(rdev,
3070 							 &ni_pi->cac_data.leakage_coefficients,
3071 							 eg_pi->vddc_voltage_table.entries[j].value,
3072 							 t,
3073 							 ni_pi->cac_data.i_leakage,
3074 							 &leakage);
3075 
3076 			smc_leakage = ni_scale_power_for_smc(leakage, scaling_factor) / 1000;
3077 			if (smc_leakage > max_leakage)
3078 				max_leakage = smc_leakage;
3079 
3080 			cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(smc_leakage);
3081 		}
3082 	}
3083 
3084 	for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3085 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3086 			cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(max_leakage);
3087 	}
3088 	return 0;
3089 }
3090 
3091 static int ni_init_simplified_leakage_table(struct radeon_device *rdev,
3092 					    PP_NIslands_CACTABLES *cac_tables)
3093 {
3094 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3095 	struct radeon_cac_leakage_table *leakage_table =
3096 		&rdev->pm.dpm.dyn_state.cac_leakage_table;
3097 	u32 i, j, table_size;
3098 	u32 smc_leakage, max_leakage = 0;
3099 	u32 scaling_factor;
3100 
3101 	if (!leakage_table)
3102 		return -EINVAL;
3103 
3104 	table_size = leakage_table->count;
3105 
3106 	if (eg_pi->vddc_voltage_table.count != table_size)
3107 		table_size = (eg_pi->vddc_voltage_table.count < leakage_table->count) ?
3108 			eg_pi->vddc_voltage_table.count : leakage_table->count;
3109 
3110 	if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3111 		table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3112 
3113 	if (table_size == 0)
3114 		return -EINVAL;
3115 
3116 	scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3117 
3118 	for (j = 0; j < table_size; j++) {
3119 		smc_leakage = leakage_table->entries[j].leakage;
3120 
3121 		if (smc_leakage > max_leakage)
3122 			max_leakage = smc_leakage;
3123 
3124 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3125 			cac_tables->cac_lkge_lut[i][j] =
3126 				cpu_to_be32(ni_scale_power_for_smc(smc_leakage, scaling_factor));
3127 	}
3128 
3129 	for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3130 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3131 			cac_tables->cac_lkge_lut[i][j] =
3132 				cpu_to_be32(ni_scale_power_for_smc(max_leakage, scaling_factor));
3133 	}
3134 	return 0;
3135 }
3136 
3137 static int ni_initialize_smc_cac_tables(struct radeon_device *rdev)
3138 {
3139 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3140 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3141 	PP_NIslands_CACTABLES *cac_tables = NULL;
3142 	int i, ret;
3143 	u32 reg;
3144 
3145 	if (ni_pi->enable_cac == false)
3146 		return 0;
3147 
3148 	cac_tables = kzalloc(sizeof(PP_NIslands_CACTABLES), GFP_KERNEL);
3149 	if (!cac_tables)
3150 		return -ENOMEM;
3151 
3152 	reg = RREG32(CG_CAC_CTRL) & ~(TID_CNT_MASK | TID_UNIT_MASK);
3153 	reg |= (TID_CNT(ni_pi->cac_weights->tid_cnt) |
3154 		TID_UNIT(ni_pi->cac_weights->tid_unit));
3155 	WREG32(CG_CAC_CTRL, reg);
3156 
3157 	for (i = 0; i < NISLANDS_DCCAC_MAX_LEVELS; i++)
3158 		ni_pi->dc_cac_table[i] = ni_pi->cac_weights->dc_cac[i];
3159 
3160 	for (i = 0; i < SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES; i++)
3161 		cac_tables->cac_bif_lut[i] = ni_pi->cac_weights->pcie_cac[i];
3162 
3163 	ni_pi->cac_data.i_leakage = rdev->pm.dpm.cac_leakage;
3164 	ni_pi->cac_data.pwr_const = 0;
3165 	ni_pi->cac_data.dc_cac_value = ni_pi->dc_cac_table[NISLANDS_DCCAC_LEVEL_0];
3166 	ni_pi->cac_data.bif_cac_value = 0;
3167 	ni_pi->cac_data.mc_wr_weight = ni_pi->cac_weights->mc_write_weight;
3168 	ni_pi->cac_data.mc_rd_weight = ni_pi->cac_weights->mc_read_weight;
3169 	ni_pi->cac_data.allow_ovrflw = 0;
3170 	ni_pi->cac_data.l2num_win_tdp = ni_pi->lta_window_size;
3171 	ni_pi->cac_data.num_win_tdp = 0;
3172 	ni_pi->cac_data.lts_truncate_n = ni_pi->lts_truncate;
3173 
3174 	if (ni_pi->driver_calculate_cac_leakage)
3175 		ret = ni_init_driver_calculated_leakage_table(rdev, cac_tables);
3176 	else
3177 		ret = ni_init_simplified_leakage_table(rdev, cac_tables);
3178 
3179 	if (ret)
3180 		goto done_free;
3181 
3182 	cac_tables->pwr_const      = cpu_to_be32(ni_pi->cac_data.pwr_const);
3183 	cac_tables->dc_cacValue    = cpu_to_be32(ni_pi->cac_data.dc_cac_value);
3184 	cac_tables->bif_cacValue   = cpu_to_be32(ni_pi->cac_data.bif_cac_value);
3185 	cac_tables->AllowOvrflw    = ni_pi->cac_data.allow_ovrflw;
3186 	cac_tables->MCWrWeight     = ni_pi->cac_data.mc_wr_weight;
3187 	cac_tables->MCRdWeight     = ni_pi->cac_data.mc_rd_weight;
3188 	cac_tables->numWin_TDP     = ni_pi->cac_data.num_win_tdp;
3189 	cac_tables->l2numWin_TDP   = ni_pi->cac_data.l2num_win_tdp;
3190 	cac_tables->lts_truncate_n = ni_pi->cac_data.lts_truncate_n;
3191 
3192 	ret = rv770_copy_bytes_to_smc(rdev, ni_pi->cac_table_start, (u8 *)cac_tables,
3193 				      sizeof(PP_NIslands_CACTABLES), pi->sram_end);
3194 
3195 done_free:
3196 	if (ret) {
3197 		ni_pi->enable_cac = false;
3198 		ni_pi->enable_power_containment = false;
3199 	}
3200 
3201 	kfree(cac_tables);
3202 
3203 	return 0;
3204 }
3205 
3206 static int ni_initialize_hardware_cac_manager(struct radeon_device *rdev)
3207 {
3208 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3209 	u32 reg;
3210 
3211 	if (!ni_pi->enable_cac ||
3212 	    !ni_pi->cac_configuration_required)
3213 		return 0;
3214 
3215 	if (ni_pi->cac_weights == NULL)
3216 		return -EINVAL;
3217 
3218 	reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_0) & ~(WEIGHT_TCP_SIG0_MASK |
3219 						      WEIGHT_TCP_SIG1_MASK |
3220 						      WEIGHT_TA_SIG_MASK);
3221 	reg |= (WEIGHT_TCP_SIG0(ni_pi->cac_weights->weight_tcp_sig0) |
3222 		WEIGHT_TCP_SIG1(ni_pi->cac_weights->weight_tcp_sig1) |
3223 		WEIGHT_TA_SIG(ni_pi->cac_weights->weight_ta_sig));
3224 	WREG32_CG(CG_CAC_REGION_1_WEIGHT_0, reg);
3225 
3226 	reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_1) & ~(WEIGHT_TCC_EN0_MASK |
3227 						      WEIGHT_TCC_EN1_MASK |
3228 						      WEIGHT_TCC_EN2_MASK);
3229 	reg |= (WEIGHT_TCC_EN0(ni_pi->cac_weights->weight_tcc_en0) |
3230 		WEIGHT_TCC_EN1(ni_pi->cac_weights->weight_tcc_en1) |
3231 		WEIGHT_TCC_EN2(ni_pi->cac_weights->weight_tcc_en2));
3232 	WREG32_CG(CG_CAC_REGION_1_WEIGHT_1, reg);
3233 
3234 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_0) & ~(WEIGHT_CB_EN0_MASK |
3235 						      WEIGHT_CB_EN1_MASK |
3236 						      WEIGHT_CB_EN2_MASK |
3237 						      WEIGHT_CB_EN3_MASK);
3238 	reg |= (WEIGHT_CB_EN0(ni_pi->cac_weights->weight_cb_en0) |
3239 		WEIGHT_CB_EN1(ni_pi->cac_weights->weight_cb_en1) |
3240 		WEIGHT_CB_EN2(ni_pi->cac_weights->weight_cb_en2) |
3241 		WEIGHT_CB_EN3(ni_pi->cac_weights->weight_cb_en3));
3242 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_0, reg);
3243 
3244 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_1) & ~(WEIGHT_DB_SIG0_MASK |
3245 						      WEIGHT_DB_SIG1_MASK |
3246 						      WEIGHT_DB_SIG2_MASK |
3247 						      WEIGHT_DB_SIG3_MASK);
3248 	reg |= (WEIGHT_DB_SIG0(ni_pi->cac_weights->weight_db_sig0) |
3249 		WEIGHT_DB_SIG1(ni_pi->cac_weights->weight_db_sig1) |
3250 		WEIGHT_DB_SIG2(ni_pi->cac_weights->weight_db_sig2) |
3251 		WEIGHT_DB_SIG3(ni_pi->cac_weights->weight_db_sig3));
3252 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_1, reg);
3253 
3254 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_2) & ~(WEIGHT_SXM_SIG0_MASK |
3255 						      WEIGHT_SXM_SIG1_MASK |
3256 						      WEIGHT_SXM_SIG2_MASK |
3257 						      WEIGHT_SXS_SIG0_MASK |
3258 						      WEIGHT_SXS_SIG1_MASK);
3259 	reg |= (WEIGHT_SXM_SIG0(ni_pi->cac_weights->weight_sxm_sig0) |
3260 		WEIGHT_SXM_SIG1(ni_pi->cac_weights->weight_sxm_sig1) |
3261 		WEIGHT_SXM_SIG2(ni_pi->cac_weights->weight_sxm_sig2) |
3262 		WEIGHT_SXS_SIG0(ni_pi->cac_weights->weight_sxs_sig0) |
3263 		WEIGHT_SXS_SIG1(ni_pi->cac_weights->weight_sxs_sig1));
3264 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_2, reg);
3265 
3266 	reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_0) & ~(WEIGHT_XBR_0_MASK |
3267 						      WEIGHT_XBR_1_MASK |
3268 						      WEIGHT_XBR_2_MASK |
3269 						      WEIGHT_SPI_SIG0_MASK);
3270 	reg |= (WEIGHT_XBR_0(ni_pi->cac_weights->weight_xbr_0) |
3271 		WEIGHT_XBR_1(ni_pi->cac_weights->weight_xbr_1) |
3272 		WEIGHT_XBR_2(ni_pi->cac_weights->weight_xbr_2) |
3273 		WEIGHT_SPI_SIG0(ni_pi->cac_weights->weight_spi_sig0));
3274 	WREG32_CG(CG_CAC_REGION_3_WEIGHT_0, reg);
3275 
3276 	reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_1) & ~(WEIGHT_SPI_SIG1_MASK |
3277 						      WEIGHT_SPI_SIG2_MASK |
3278 						      WEIGHT_SPI_SIG3_MASK |
3279 						      WEIGHT_SPI_SIG4_MASK |
3280 						      WEIGHT_SPI_SIG5_MASK);
3281 	reg |= (WEIGHT_SPI_SIG1(ni_pi->cac_weights->weight_spi_sig1) |
3282 		WEIGHT_SPI_SIG2(ni_pi->cac_weights->weight_spi_sig2) |
3283 		WEIGHT_SPI_SIG3(ni_pi->cac_weights->weight_spi_sig3) |
3284 		WEIGHT_SPI_SIG4(ni_pi->cac_weights->weight_spi_sig4) |
3285 		WEIGHT_SPI_SIG5(ni_pi->cac_weights->weight_spi_sig5));
3286 	WREG32_CG(CG_CAC_REGION_3_WEIGHT_1, reg);
3287 
3288 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_0) & ~(WEIGHT_LDS_SIG0_MASK |
3289 						      WEIGHT_LDS_SIG1_MASK |
3290 						      WEIGHT_SC_MASK);
3291 	reg |= (WEIGHT_LDS_SIG0(ni_pi->cac_weights->weight_lds_sig0) |
3292 		WEIGHT_LDS_SIG1(ni_pi->cac_weights->weight_lds_sig1) |
3293 		WEIGHT_SC(ni_pi->cac_weights->weight_sc));
3294 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_0, reg);
3295 
3296 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_1) & ~(WEIGHT_BIF_MASK |
3297 						      WEIGHT_CP_MASK |
3298 						      WEIGHT_PA_SIG0_MASK |
3299 						      WEIGHT_PA_SIG1_MASK |
3300 						      WEIGHT_VGT_SIG0_MASK);
3301 	reg |= (WEIGHT_BIF(ni_pi->cac_weights->weight_bif) |
3302 		WEIGHT_CP(ni_pi->cac_weights->weight_cp) |
3303 		WEIGHT_PA_SIG0(ni_pi->cac_weights->weight_pa_sig0) |
3304 		WEIGHT_PA_SIG1(ni_pi->cac_weights->weight_pa_sig1) |
3305 		WEIGHT_VGT_SIG0(ni_pi->cac_weights->weight_vgt_sig0));
3306 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_1, reg);
3307 
3308 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_2) & ~(WEIGHT_VGT_SIG1_MASK |
3309 						      WEIGHT_VGT_SIG2_MASK |
3310 						      WEIGHT_DC_SIG0_MASK |
3311 						      WEIGHT_DC_SIG1_MASK |
3312 						      WEIGHT_DC_SIG2_MASK);
3313 	reg |= (WEIGHT_VGT_SIG1(ni_pi->cac_weights->weight_vgt_sig1) |
3314 		WEIGHT_VGT_SIG2(ni_pi->cac_weights->weight_vgt_sig2) |
3315 		WEIGHT_DC_SIG0(ni_pi->cac_weights->weight_dc_sig0) |
3316 		WEIGHT_DC_SIG1(ni_pi->cac_weights->weight_dc_sig1) |
3317 		WEIGHT_DC_SIG2(ni_pi->cac_weights->weight_dc_sig2));
3318 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_2, reg);
3319 
3320 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_3) & ~(WEIGHT_DC_SIG3_MASK |
3321 						      WEIGHT_UVD_SIG0_MASK |
3322 						      WEIGHT_UVD_SIG1_MASK |
3323 						      WEIGHT_SPARE0_MASK |
3324 						      WEIGHT_SPARE1_MASK);
3325 	reg |= (WEIGHT_DC_SIG3(ni_pi->cac_weights->weight_dc_sig3) |
3326 		WEIGHT_UVD_SIG0(ni_pi->cac_weights->weight_uvd_sig0) |
3327 		WEIGHT_UVD_SIG1(ni_pi->cac_weights->weight_uvd_sig1) |
3328 		WEIGHT_SPARE0(ni_pi->cac_weights->weight_spare0) |
3329 		WEIGHT_SPARE1(ni_pi->cac_weights->weight_spare1));
3330 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_3, reg);
3331 
3332 	reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_0) & ~(WEIGHT_SQ_VSP_MASK |
3333 						      WEIGHT_SQ_VSP0_MASK);
3334 	reg |= (WEIGHT_SQ_VSP(ni_pi->cac_weights->weight_sq_vsp) |
3335 		WEIGHT_SQ_VSP0(ni_pi->cac_weights->weight_sq_vsp0));
3336 	WREG32_CG(CG_CAC_REGION_5_WEIGHT_0, reg);
3337 
3338 	reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_1) & ~(WEIGHT_SQ_GPR_MASK);
3339 	reg |= WEIGHT_SQ_GPR(ni_pi->cac_weights->weight_sq_gpr);
3340 	WREG32_CG(CG_CAC_REGION_5_WEIGHT_1, reg);
3341 
3342 	reg = RREG32_CG(CG_CAC_REGION_4_OVERRIDE_4) & ~(OVR_MODE_SPARE_0_MASK |
3343 							OVR_VAL_SPARE_0_MASK |
3344 							OVR_MODE_SPARE_1_MASK |
3345 							OVR_VAL_SPARE_1_MASK);
3346 	reg |= (OVR_MODE_SPARE_0(ni_pi->cac_weights->ovr_mode_spare_0) |
3347 		OVR_VAL_SPARE_0(ni_pi->cac_weights->ovr_val_spare_0) |
3348 		OVR_MODE_SPARE_1(ni_pi->cac_weights->ovr_mode_spare_1) |
3349 		OVR_VAL_SPARE_1(ni_pi->cac_weights->ovr_val_spare_1));
3350 	WREG32_CG(CG_CAC_REGION_4_OVERRIDE_4, reg);
3351 
3352 	reg = RREG32(SQ_CAC_THRESHOLD) & ~(VSP_MASK |
3353 					   VSP0_MASK |
3354 					   GPR_MASK);
3355 	reg |= (VSP(ni_pi->cac_weights->vsp) |
3356 		VSP0(ni_pi->cac_weights->vsp0) |
3357 		GPR(ni_pi->cac_weights->gpr));
3358 	WREG32(SQ_CAC_THRESHOLD, reg);
3359 
3360 	reg = (MCDW_WR_ENABLE |
3361 	       MCDX_WR_ENABLE |
3362 	       MCDY_WR_ENABLE |
3363 	       MCDZ_WR_ENABLE |
3364 	       INDEX(0x09D4));
3365 	WREG32(MC_CG_CONFIG, reg);
3366 
3367 	reg = (READ_WEIGHT(ni_pi->cac_weights->mc_read_weight) |
3368 	       WRITE_WEIGHT(ni_pi->cac_weights->mc_write_weight) |
3369 	       ALLOW_OVERFLOW);
3370 	WREG32(MC_CG_DATAPORT, reg);
3371 
3372 	return 0;
3373 }
3374 
3375 static int ni_enable_smc_cac(struct radeon_device *rdev,
3376 			     struct radeon_ps *radeon_new_state,
3377 			     bool enable)
3378 {
3379 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3380 	int ret = 0;
3381 	PPSMC_Result smc_result;
3382 
3383 	if (ni_pi->enable_cac) {
3384 		if (enable) {
3385 			if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
3386 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_CollectCAC_PowerCorreln);
3387 
3388 				if (ni_pi->support_cac_long_term_average) {
3389 					smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgEnable);
3390 					if (PPSMC_Result_OK != smc_result)
3391 						ni_pi->support_cac_long_term_average = false;
3392 				}
3393 
3394 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableCac);
3395 				if (PPSMC_Result_OK != smc_result)
3396 					ret = -EINVAL;
3397 
3398 				ni_pi->cac_enabled = (PPSMC_Result_OK == smc_result) ? true : false;
3399 			}
3400 		} else if (ni_pi->cac_enabled) {
3401 			smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac);
3402 
3403 			ni_pi->cac_enabled = false;
3404 
3405 			if (ni_pi->support_cac_long_term_average) {
3406 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgDisable);
3407 				if (PPSMC_Result_OK != smc_result)
3408 					ni_pi->support_cac_long_term_average = false;
3409 			}
3410 		}
3411 	}
3412 
3413 	return ret;
3414 }
3415 
3416 static int ni_pcie_performance_request(struct radeon_device *rdev,
3417 				       u8 perf_req, bool advertise)
3418 {
3419 #if defined(CONFIG_ACPI)
3420 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3421 
3422 	if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) ||
3423 	    (perf_req == PCIE_PERF_REQ_PECI_GEN2)) {
3424 		if (eg_pi->pcie_performance_request_registered == false)
3425 			radeon_acpi_pcie_notify_device_ready(rdev);
3426 		eg_pi->pcie_performance_request_registered = true;
3427 		return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
3428 	} else if ((perf_req == PCIE_PERF_REQ_REMOVE_REGISTRY) &&
3429 		    eg_pi->pcie_performance_request_registered) {
3430 		eg_pi->pcie_performance_request_registered = false;
3431 		return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
3432 	}
3433 #endif
3434 	return 0;
3435 }
3436 
3437 static int ni_advertise_gen2_capability(struct radeon_device *rdev)
3438 {
3439 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3440 	u32 tmp;
3441 
3442 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
3443 
3444 	if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3445 	    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2))
3446 		pi->pcie_gen2 = true;
3447 	else
3448 		pi->pcie_gen2 = false;
3449 
3450 	if (!pi->pcie_gen2)
3451 		ni_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, true);
3452 
3453 	return 0;
3454 }
3455 
3456 static void ni_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
3457 					    bool enable)
3458 {
3459 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3460 	u32 tmp, bif;
3461 
3462 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
3463 
3464 	if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3465 	    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3466 		if (enable) {
3467 			if (!pi->boot_in_gen2) {
3468 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
3469 				bif |= CG_CLIENT_REQ(0xd);
3470 				WREG32(CG_BIF_REQ_AND_RSP, bif);
3471 			}
3472 			tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
3473 			tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
3474 			tmp |= LC_GEN2_EN_STRAP;
3475 
3476 			tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3477 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3478 			udelay(10);
3479 			tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3480 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3481 		} else {
3482 			if (!pi->boot_in_gen2) {
3483 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
3484 				bif |= CG_CLIENT_REQ(0xd);
3485 				WREG32(CG_BIF_REQ_AND_RSP, bif);
3486 
3487 				tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
3488 				tmp &= ~LC_GEN2_EN_STRAP;
3489 			}
3490 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3491 		}
3492 	}
3493 }
3494 
3495 static void ni_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
3496 					bool enable)
3497 {
3498 	ni_enable_bif_dynamic_pcie_gen2(rdev, enable);
3499 
3500 	if (enable)
3501 		WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
3502 	else
3503 		WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
3504 }
3505 
3506 void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
3507 					   struct radeon_ps *new_ps,
3508 					   struct radeon_ps *old_ps)
3509 {
3510 	struct ni_ps *new_state = ni_get_ps(new_ps);
3511 	struct ni_ps *current_state = ni_get_ps(old_ps);
3512 
3513 	if ((new_ps->vclk == old_ps->vclk) &&
3514 	    (new_ps->dclk == old_ps->dclk))
3515 		return;
3516 
3517 	if (new_state->performance_levels[new_state->performance_level_count - 1].sclk >=
3518 	    current_state->performance_levels[current_state->performance_level_count - 1].sclk)
3519 		return;
3520 
3521 	radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
3522 }
3523 
3524 void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
3525 					  struct radeon_ps *new_ps,
3526 					  struct radeon_ps *old_ps)
3527 {
3528 	struct ni_ps *new_state = ni_get_ps(new_ps);
3529 	struct ni_ps *current_state = ni_get_ps(old_ps);
3530 
3531 	if ((new_ps->vclk == old_ps->vclk) &&
3532 	    (new_ps->dclk == old_ps->dclk))
3533 		return;
3534 
3535 	if (new_state->performance_levels[new_state->performance_level_count - 1].sclk <
3536 	    current_state->performance_levels[current_state->performance_level_count - 1].sclk)
3537 		return;
3538 
3539 	radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
3540 }
3541 
3542 void ni_dpm_setup_asic(struct radeon_device *rdev)
3543 {
3544 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3545 	int r;
3546 
3547 	r = ni_mc_load_microcode(rdev);
3548 	if (r)
3549 		DRM_ERROR("Failed to load MC firmware!\n");
3550 	ni_read_clock_registers(rdev);
3551 	btc_read_arb_registers(rdev);
3552 	rv770_get_memory_type(rdev);
3553 	if (eg_pi->pcie_performance_request)
3554 		ni_advertise_gen2_capability(rdev);
3555 	rv770_get_pcie_gen2_status(rdev);
3556 	rv770_enable_acpi_pm(rdev);
3557 }
3558 
3559 void ni_update_current_ps(struct radeon_device *rdev,
3560 			  struct radeon_ps *rps)
3561 {
3562 	struct ni_ps *new_ps = ni_get_ps(rps);
3563 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3564 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3565 
3566 	eg_pi->current_rps = *rps;
3567 	ni_pi->current_ps = *new_ps;
3568 	eg_pi->current_rps.ps_priv = &ni_pi->current_ps;
3569 }
3570 
3571 void ni_update_requested_ps(struct radeon_device *rdev,
3572 			    struct radeon_ps *rps)
3573 {
3574 	struct ni_ps *new_ps = ni_get_ps(rps);
3575 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3576 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3577 
3578 	eg_pi->requested_rps = *rps;
3579 	ni_pi->requested_ps = *new_ps;
3580 	eg_pi->requested_rps.ps_priv = &ni_pi->requested_ps;
3581 }
3582 
3583 int ni_dpm_enable(struct radeon_device *rdev)
3584 {
3585 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3586 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3587 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
3588 	int ret;
3589 
3590 	if (pi->gfx_clock_gating)
3591 		ni_cg_clockgating_default(rdev);
3592 	if (btc_dpm_enabled(rdev))
3593 		return -EINVAL;
3594 	if (pi->mg_clock_gating)
3595 		ni_mg_clockgating_default(rdev);
3596 	if (eg_pi->ls_clock_gating)
3597 		ni_ls_clockgating_default(rdev);
3598 	if (pi->voltage_control) {
3599 		rv770_enable_voltage_control(rdev, true);
3600 		ret = cypress_construct_voltage_tables(rdev);
3601 		if (ret) {
3602 			DRM_ERROR("cypress_construct_voltage_tables failed\n");
3603 			return ret;
3604 		}
3605 	}
3606 	if (eg_pi->dynamic_ac_timing) {
3607 		ret = ni_initialize_mc_reg_table(rdev);
3608 		if (ret)
3609 			eg_pi->dynamic_ac_timing = false;
3610 	}
3611 	if (pi->dynamic_ss)
3612 		cypress_enable_spread_spectrum(rdev, true);
3613 	if (pi->thermal_protection)
3614 		rv770_enable_thermal_protection(rdev, true);
3615 	rv770_setup_bsp(rdev);
3616 	rv770_program_git(rdev);
3617 	rv770_program_tp(rdev);
3618 	rv770_program_tpp(rdev);
3619 	rv770_program_sstp(rdev);
3620 	cypress_enable_display_gap(rdev);
3621 	rv770_program_vc(rdev);
3622 	if (pi->dynamic_pcie_gen2)
3623 		ni_enable_dynamic_pcie_gen2(rdev, true);
3624 	ret = rv770_upload_firmware(rdev);
3625 	if (ret) {
3626 		DRM_ERROR("rv770_upload_firmware failed\n");
3627 		return ret;
3628 	}
3629 	ret = ni_process_firmware_header(rdev);
3630 	if (ret) {
3631 		DRM_ERROR("ni_process_firmware_header failed\n");
3632 		return ret;
3633 	}
3634 	ret = ni_initial_switch_from_arb_f0_to_f1(rdev);
3635 	if (ret) {
3636 		DRM_ERROR("ni_initial_switch_from_arb_f0_to_f1 failed\n");
3637 		return ret;
3638 	}
3639 	ret = ni_init_smc_table(rdev);
3640 	if (ret) {
3641 		DRM_ERROR("ni_init_smc_table failed\n");
3642 		return ret;
3643 	}
3644 	ret = ni_init_smc_spll_table(rdev);
3645 	if (ret) {
3646 		DRM_ERROR("ni_init_smc_spll_table failed\n");
3647 		return ret;
3648 	}
3649 	ret = ni_init_arb_table_index(rdev);
3650 	if (ret) {
3651 		DRM_ERROR("ni_init_arb_table_index failed\n");
3652 		return ret;
3653 	}
3654 	if (eg_pi->dynamic_ac_timing) {
3655 		ret = ni_populate_mc_reg_table(rdev, boot_ps);
3656 		if (ret) {
3657 			DRM_ERROR("ni_populate_mc_reg_table failed\n");
3658 			return ret;
3659 		}
3660 	}
3661 	ret = ni_initialize_smc_cac_tables(rdev);
3662 	if (ret) {
3663 		DRM_ERROR("ni_initialize_smc_cac_tables failed\n");
3664 		return ret;
3665 	}
3666 	ret = ni_initialize_hardware_cac_manager(rdev);
3667 	if (ret) {
3668 		DRM_ERROR("ni_initialize_hardware_cac_manager failed\n");
3669 		return ret;
3670 	}
3671 	ret = ni_populate_smc_tdp_limits(rdev, boot_ps);
3672 	if (ret) {
3673 		DRM_ERROR("ni_populate_smc_tdp_limits failed\n");
3674 		return ret;
3675 	}
3676 	ni_program_response_times(rdev);
3677 	r7xx_start_smc(rdev);
3678 	ret = cypress_notify_smc_display_change(rdev, false);
3679 	if (ret) {
3680 		DRM_ERROR("cypress_notify_smc_display_change failed\n");
3681 		return ret;
3682 	}
3683 	cypress_enable_sclk_control(rdev, true);
3684 	if (eg_pi->memory_transition)
3685 		cypress_enable_mclk_control(rdev, true);
3686 	cypress_start_dpm(rdev);
3687 	if (pi->gfx_clock_gating)
3688 		ni_gfx_clockgating_enable(rdev, true);
3689 	if (pi->mg_clock_gating)
3690 		ni_mg_clockgating_enable(rdev, true);
3691 	if (eg_pi->ls_clock_gating)
3692 		ni_ls_clockgating_enable(rdev, true);
3693 
3694 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
3695 
3696 	ni_update_current_ps(rdev, boot_ps);
3697 
3698 	return 0;
3699 }
3700 
3701 void ni_dpm_disable(struct radeon_device *rdev)
3702 {
3703 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3704 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3705 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
3706 
3707 	if (!btc_dpm_enabled(rdev))
3708 		return;
3709 	rv770_clear_vc(rdev);
3710 	if (pi->thermal_protection)
3711 		rv770_enable_thermal_protection(rdev, false);
3712 	ni_enable_power_containment(rdev, boot_ps, false);
3713 	ni_enable_smc_cac(rdev, boot_ps, false);
3714 	cypress_enable_spread_spectrum(rdev, false);
3715 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
3716 	if (pi->dynamic_pcie_gen2)
3717 		ni_enable_dynamic_pcie_gen2(rdev, false);
3718 
3719 	if (rdev->irq.installed &&
3720 	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
3721 		rdev->irq.dpm_thermal = false;
3722 		radeon_irq_set(rdev);
3723 	}
3724 
3725 	if (pi->gfx_clock_gating)
3726 		ni_gfx_clockgating_enable(rdev, false);
3727 	if (pi->mg_clock_gating)
3728 		ni_mg_clockgating_enable(rdev, false);
3729 	if (eg_pi->ls_clock_gating)
3730 		ni_ls_clockgating_enable(rdev, false);
3731 	ni_stop_dpm(rdev);
3732 	btc_reset_to_default(rdev);
3733 	ni_stop_smc(rdev);
3734 	ni_force_switch_to_arb_f0(rdev);
3735 
3736 	ni_update_current_ps(rdev, boot_ps);
3737 }
3738 
3739 static int ni_power_control_set_level(struct radeon_device *rdev)
3740 {
3741 	struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
3742 	int ret;
3743 
3744 	ret = ni_restrict_performance_levels_before_switch(rdev);
3745 	if (ret)
3746 		return ret;
3747 	ret = rv770_halt_smc(rdev);
3748 	if (ret)
3749 		return ret;
3750 	ret = ni_populate_smc_tdp_limits(rdev, new_ps);
3751 	if (ret)
3752 		return ret;
3753 	ret = rv770_resume_smc(rdev);
3754 	if (ret)
3755 		return ret;
3756 	ret = rv770_set_sw_state(rdev);
3757 	if (ret)
3758 		return ret;
3759 
3760 	return 0;
3761 }
3762 
3763 int ni_dpm_pre_set_power_state(struct radeon_device *rdev)
3764 {
3765 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3766 	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
3767 	struct radeon_ps *new_ps = &requested_ps;
3768 
3769 	ni_update_requested_ps(rdev, new_ps);
3770 
3771 	ni_apply_state_adjust_rules(rdev, &eg_pi->requested_rps);
3772 
3773 	return 0;
3774 }
3775 
3776 int ni_dpm_set_power_state(struct radeon_device *rdev)
3777 {
3778 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3779 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
3780 	struct radeon_ps *old_ps = &eg_pi->current_rps;
3781 	int ret;
3782 
3783 	ret = ni_restrict_performance_levels_before_switch(rdev);
3784 	if (ret) {
3785 		DRM_ERROR("ni_restrict_performance_levels_before_switch failed\n");
3786 		return ret;
3787 	}
3788 	ni_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
3789 	ret = ni_enable_power_containment(rdev, new_ps, false);
3790 	if (ret) {
3791 		DRM_ERROR("ni_enable_power_containment failed\n");
3792 		return ret;
3793 	}
3794 	ret = ni_enable_smc_cac(rdev, new_ps, false);
3795 	if (ret) {
3796 		DRM_ERROR("ni_enable_smc_cac failed\n");
3797 		return ret;
3798 	}
3799 	ret = rv770_halt_smc(rdev);
3800 	if (ret) {
3801 		DRM_ERROR("rv770_halt_smc failed\n");
3802 		return ret;
3803 	}
3804 	if (eg_pi->smu_uvd_hs)
3805 		btc_notify_uvd_to_smc(rdev, new_ps);
3806 	ret = ni_upload_sw_state(rdev, new_ps);
3807 	if (ret) {
3808 		DRM_ERROR("ni_upload_sw_state failed\n");
3809 		return ret;
3810 	}
3811 	if (eg_pi->dynamic_ac_timing) {
3812 		ret = ni_upload_mc_reg_table(rdev, new_ps);
3813 		if (ret) {
3814 			DRM_ERROR("ni_upload_mc_reg_table failed\n");
3815 			return ret;
3816 		}
3817 	}
3818 	ret = ni_program_memory_timing_parameters(rdev, new_ps);
3819 	if (ret) {
3820 		DRM_ERROR("ni_program_memory_timing_parameters failed\n");
3821 		return ret;
3822 	}
3823 	ret = rv770_resume_smc(rdev);
3824 	if (ret) {
3825 		DRM_ERROR("rv770_resume_smc failed\n");
3826 		return ret;
3827 	}
3828 	ret = rv770_set_sw_state(rdev);
3829 	if (ret) {
3830 		DRM_ERROR("rv770_set_sw_state failed\n");
3831 		return ret;
3832 	}
3833 	ni_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
3834 	ret = ni_enable_smc_cac(rdev, new_ps, true);
3835 	if (ret) {
3836 		DRM_ERROR("ni_enable_smc_cac failed\n");
3837 		return ret;
3838 	}
3839 	ret = ni_enable_power_containment(rdev, new_ps, true);
3840 	if (ret) {
3841 		DRM_ERROR("ni_enable_power_containment failed\n");
3842 		return ret;
3843 	}
3844 
3845 	/* update tdp */
3846 	ret = ni_power_control_set_level(rdev);
3847 	if (ret) {
3848 		DRM_ERROR("ni_power_control_set_level failed\n");
3849 		return ret;
3850 	}
3851 
3852 	return 0;
3853 }
3854 
3855 void ni_dpm_post_set_power_state(struct radeon_device *rdev)
3856 {
3857 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3858 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
3859 
3860 	ni_update_current_ps(rdev, new_ps);
3861 }
3862 
3863 #if 0
3864 void ni_dpm_reset_asic(struct radeon_device *rdev)
3865 {
3866 	ni_restrict_performance_levels_before_switch(rdev);
3867 	rv770_set_boot_state(rdev);
3868 }
3869 #endif
3870 
3871 union power_info {
3872 	struct _ATOM_POWERPLAY_INFO info;
3873 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
3874 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
3875 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
3876 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
3877 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
3878 };
3879 
3880 union pplib_clock_info {
3881 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
3882 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
3883 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
3884 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
3885 };
3886 
3887 union pplib_power_state {
3888 	struct _ATOM_PPLIB_STATE v1;
3889 	struct _ATOM_PPLIB_STATE_V2 v2;
3890 };
3891 
3892 static void ni_parse_pplib_non_clock_info(struct radeon_device *rdev,
3893 					  struct radeon_ps *rps,
3894 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
3895 					  u8 table_rev)
3896 {
3897 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
3898 	rps->class = le16_to_cpu(non_clock_info->usClassification);
3899 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
3900 
3901 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
3902 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
3903 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
3904 	} else if (r600_is_uvd_state(rps->class, rps->class2)) {
3905 		rps->vclk = RV770_DEFAULT_VCLK_FREQ;
3906 		rps->dclk = RV770_DEFAULT_DCLK_FREQ;
3907 	} else {
3908 		rps->vclk = 0;
3909 		rps->dclk = 0;
3910 	}
3911 
3912 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
3913 		rdev->pm.dpm.boot_ps = rps;
3914 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
3915 		rdev->pm.dpm.uvd_ps = rps;
3916 }
3917 
3918 static void ni_parse_pplib_clock_info(struct radeon_device *rdev,
3919 				      struct radeon_ps *rps, int index,
3920 				      union pplib_clock_info *clock_info)
3921 {
3922 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3923 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3924 	struct ni_ps *ps = ni_get_ps(rps);
3925 	struct rv7xx_pl *pl = &ps->performance_levels[index];
3926 
3927 	ps->performance_level_count = index + 1;
3928 
3929 	pl->sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
3930 	pl->sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
3931 	pl->mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
3932 	pl->mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
3933 
3934 	pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
3935 	pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
3936 	pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);
3937 
3938 	/* patch up vddc if necessary */
3939 	if (pl->vddc == 0xff01) {
3940 		if (pi->max_vddc)
3941 			pl->vddc = pi->max_vddc;
3942 	}
3943 
3944 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
3945 		pi->acpi_vddc = pl->vddc;
3946 		eg_pi->acpi_vddci = pl->vddci;
3947 		if (ps->performance_levels[0].flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2)
3948 			pi->acpi_pcie_gen2 = true;
3949 		else
3950 			pi->acpi_pcie_gen2 = false;
3951 	}
3952 
3953 	if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
3954 		eg_pi->ulv.supported = true;
3955 		eg_pi->ulv.pl = pl;
3956 	}
3957 
3958 	if (pi->min_vddc_in_table > pl->vddc)
3959 		pi->min_vddc_in_table = pl->vddc;
3960 
3961 	if (pi->max_vddc_in_table < pl->vddc)
3962 		pi->max_vddc_in_table = pl->vddc;
3963 
3964 	/* patch up boot state */
3965 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
3966 		u16 vddc, vddci, mvdd;
3967 		radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
3968 		pl->mclk = rdev->clock.default_mclk;
3969 		pl->sclk = rdev->clock.default_sclk;
3970 		pl->vddc = vddc;
3971 		pl->vddci = vddci;
3972 	}
3973 
3974 	if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
3975 	    ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
3976 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
3977 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
3978 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
3979 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
3980 	}
3981 }
3982 
3983 static int ni_parse_power_table(struct radeon_device *rdev)
3984 {
3985 	struct radeon_mode_info *mode_info = &rdev->mode_info;
3986 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
3987 	union pplib_power_state *power_state;
3988 	int i, j;
3989 	union pplib_clock_info *clock_info;
3990 	union power_info *power_info;
3991 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
3992 	u16 data_offset;
3993 	u8 frev, crev;
3994 	struct ni_ps *ps;
3995 
3996 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
3997 				   &frev, &crev, &data_offset))
3998 		return -EINVAL;
3999 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
4000 
4001 	rdev->pm.dpm.ps = kcalloc(power_info->pplib.ucNumStates,
4002 				  sizeof(struct radeon_ps),
4003 				  GFP_KERNEL);
4004 	if (!rdev->pm.dpm.ps)
4005 		return -ENOMEM;
4006 
4007 	for (i = 0; i < power_info->pplib.ucNumStates; i++) {
4008 		power_state = (union pplib_power_state *)
4009 			(mode_info->atom_context->bios + data_offset +
4010 			 le16_to_cpu(power_info->pplib.usStateArrayOffset) +
4011 			 i * power_info->pplib.ucStateEntrySize);
4012 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
4013 			(mode_info->atom_context->bios + data_offset +
4014 			 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
4015 			 (power_state->v1.ucNonClockStateIndex *
4016 			  power_info->pplib.ucNonClockSize));
4017 		if (power_info->pplib.ucStateEntrySize - 1) {
4018 			u8 *idx;
4019 			ps = kzalloc(sizeof(struct ni_ps), GFP_KERNEL);
4020 			if (ps == NULL) {
4021 				kfree(rdev->pm.dpm.ps);
4022 				return -ENOMEM;
4023 			}
4024 			rdev->pm.dpm.ps[i].ps_priv = ps;
4025 			ni_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
4026 							 non_clock_info,
4027 							 power_info->pplib.ucNonClockSize);
4028 			idx = (u8 *)&power_state->v1.ucClockStateIndices[0];
4029 			for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
4030 				clock_info = (union pplib_clock_info *)
4031 					(mode_info->atom_context->bios + data_offset +
4032 					 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
4033 					 (idx[j] * power_info->pplib.ucClockInfoSize));
4034 				ni_parse_pplib_clock_info(rdev,
4035 							  &rdev->pm.dpm.ps[i], j,
4036 							  clock_info);
4037 			}
4038 		}
4039 	}
4040 	rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
4041 	return 0;
4042 }
4043 
4044 int ni_dpm_init(struct radeon_device *rdev)
4045 {
4046 	struct rv7xx_power_info *pi;
4047 	struct evergreen_power_info *eg_pi;
4048 	struct ni_power_info *ni_pi;
4049 	struct atom_clock_dividers dividers;
4050 	int ret;
4051 
4052 	ni_pi = kzalloc(sizeof(struct ni_power_info), GFP_KERNEL);
4053 	if (ni_pi == NULL)
4054 		return -ENOMEM;
4055 	rdev->pm.dpm.priv = ni_pi;
4056 	eg_pi = &ni_pi->eg;
4057 	pi = &eg_pi->rv7xx;
4058 
4059 	rv770_get_max_vddc(rdev);
4060 
4061 	eg_pi->ulv.supported = false;
4062 	pi->acpi_vddc = 0;
4063 	eg_pi->acpi_vddci = 0;
4064 	pi->min_vddc_in_table = 0;
4065 	pi->max_vddc_in_table = 0;
4066 
4067 	ret = r600_get_platform_caps(rdev);
4068 	if (ret)
4069 		return ret;
4070 
4071 	ret = ni_parse_power_table(rdev);
4072 	if (ret)
4073 		return ret;
4074 	ret = r600_parse_extended_power_table(rdev);
4075 	if (ret)
4076 		return ret;
4077 
4078 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
4079 		kcalloc(4,
4080 			sizeof(struct radeon_clock_voltage_dependency_entry),
4081 			GFP_KERNEL);
4082 	if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
4083 		r600_free_extended_power_table(rdev);
4084 		return -ENOMEM;
4085 	}
4086 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
4087 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
4088 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
4089 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
4090 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720;
4091 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
4092 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810;
4093 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
4094 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900;
4095 
4096 	ni_patch_dependency_tables_based_on_leakage(rdev);
4097 
4098 	if (rdev->pm.dpm.voltage_response_time == 0)
4099 		rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
4100 	if (rdev->pm.dpm.backbias_response_time == 0)
4101 		rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
4102 
4103 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
4104 					     0, false, &dividers);
4105 	if (ret)
4106 		pi->ref_div = dividers.ref_div + 1;
4107 	else
4108 		pi->ref_div = R600_REFERENCEDIVIDER_DFLT;
4109 
4110 	pi->rlp = RV770_RLP_DFLT;
4111 	pi->rmp = RV770_RMP_DFLT;
4112 	pi->lhp = RV770_LHP_DFLT;
4113 	pi->lmp = RV770_LMP_DFLT;
4114 
4115 	eg_pi->ats[0].rlp = RV770_RLP_DFLT;
4116 	eg_pi->ats[0].rmp = RV770_RMP_DFLT;
4117 	eg_pi->ats[0].lhp = RV770_LHP_DFLT;
4118 	eg_pi->ats[0].lmp = RV770_LMP_DFLT;
4119 
4120 	eg_pi->ats[1].rlp = BTC_RLP_UVD_DFLT;
4121 	eg_pi->ats[1].rmp = BTC_RMP_UVD_DFLT;
4122 	eg_pi->ats[1].lhp = BTC_LHP_UVD_DFLT;
4123 	eg_pi->ats[1].lmp = BTC_LMP_UVD_DFLT;
4124 
4125 	eg_pi->smu_uvd_hs = true;
4126 
4127 	if (rdev->pdev->device == 0x6707) {
4128 		pi->mclk_strobe_mode_threshold = 55000;
4129 		pi->mclk_edc_enable_threshold = 55000;
4130 		eg_pi->mclk_edc_wr_enable_threshold = 55000;
4131 	} else {
4132 		pi->mclk_strobe_mode_threshold = 40000;
4133 		pi->mclk_edc_enable_threshold = 40000;
4134 		eg_pi->mclk_edc_wr_enable_threshold = 40000;
4135 	}
4136 	ni_pi->mclk_rtt_mode_threshold = eg_pi->mclk_edc_wr_enable_threshold;
4137 
4138 	pi->voltage_control =
4139 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
4140 
4141 	pi->mvdd_control =
4142 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
4143 
4144 	eg_pi->vddci_control =
4145 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
4146 
4147 	rv770_get_engine_memory_ss(rdev);
4148 
4149 	pi->asi = RV770_ASI_DFLT;
4150 	pi->pasi = CYPRESS_HASI_DFLT;
4151 	pi->vrc = CYPRESS_VRC_DFLT;
4152 
4153 	pi->power_gating = false;
4154 
4155 	pi->gfx_clock_gating = true;
4156 
4157 	pi->mg_clock_gating = true;
4158 	pi->mgcgtssm = true;
4159 	eg_pi->ls_clock_gating = false;
4160 	eg_pi->sclk_deep_sleep = false;
4161 
4162 	pi->dynamic_pcie_gen2 = true;
4163 
4164 	if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
4165 		pi->thermal_protection = true;
4166 	else
4167 		pi->thermal_protection = false;
4168 
4169 	pi->display_gap = true;
4170 
4171 	pi->dcodt = true;
4172 
4173 	pi->ulps = true;
4174 
4175 	eg_pi->dynamic_ac_timing = true;
4176 	eg_pi->abm = true;
4177 	eg_pi->mcls = true;
4178 	eg_pi->light_sleep = true;
4179 	eg_pi->memory_transition = true;
4180 #if defined(CONFIG_ACPI)
4181 	eg_pi->pcie_performance_request =
4182 		radeon_acpi_is_pcie_performance_request_supported(rdev);
4183 #else
4184 	eg_pi->pcie_performance_request = false;
4185 #endif
4186 
4187 	eg_pi->dll_default_on = false;
4188 
4189 	eg_pi->sclk_deep_sleep = false;
4190 
4191 	pi->mclk_stutter_mode_threshold = 0;
4192 
4193 	pi->sram_end = SMC_RAM_END;
4194 
4195 	rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 3;
4196 	rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
4197 	rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2 = 900;
4198 	rdev->pm.dpm.dyn_state.valid_sclk_values.count = ARRAY_SIZE(btc_valid_sclk);
4199 	rdev->pm.dpm.dyn_state.valid_sclk_values.values = btc_valid_sclk;
4200 	rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
4201 	rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
4202 	rdev->pm.dpm.dyn_state.sclk_mclk_delta = 12500;
4203 
4204 	ni_pi->cac_data.leakage_coefficients.at = 516;
4205 	ni_pi->cac_data.leakage_coefficients.bt = 18;
4206 	ni_pi->cac_data.leakage_coefficients.av = 51;
4207 	ni_pi->cac_data.leakage_coefficients.bv = 2957;
4208 
4209 	switch (rdev->pdev->device) {
4210 	case 0x6700:
4211 	case 0x6701:
4212 	case 0x6702:
4213 	case 0x6703:
4214 	case 0x6718:
4215 		ni_pi->cac_weights = &cac_weights_cayman_xt;
4216 		break;
4217 	case 0x6705:
4218 	case 0x6719:
4219 	case 0x671D:
4220 	case 0x671C:
4221 	default:
4222 		ni_pi->cac_weights = &cac_weights_cayman_pro;
4223 		break;
4224 	case 0x6704:
4225 	case 0x6706:
4226 	case 0x6707:
4227 	case 0x6708:
4228 	case 0x6709:
4229 		ni_pi->cac_weights = &cac_weights_cayman_le;
4230 		break;
4231 	}
4232 
4233 	if (ni_pi->cac_weights->enable_power_containment_by_default) {
4234 		ni_pi->enable_power_containment = true;
4235 		ni_pi->enable_cac = true;
4236 		ni_pi->enable_sq_ramping = true;
4237 	} else {
4238 		ni_pi->enable_power_containment = false;
4239 		ni_pi->enable_cac = false;
4240 		ni_pi->enable_sq_ramping = false;
4241 	}
4242 
4243 	ni_pi->driver_calculate_cac_leakage = false;
4244 	ni_pi->cac_configuration_required = true;
4245 
4246 	if (ni_pi->cac_configuration_required) {
4247 		ni_pi->support_cac_long_term_average = true;
4248 		ni_pi->lta_window_size = ni_pi->cac_weights->l2_lta_window_size;
4249 		ni_pi->lts_truncate = ni_pi->cac_weights->lts_truncate;
4250 	} else {
4251 		ni_pi->support_cac_long_term_average = false;
4252 		ni_pi->lta_window_size = 0;
4253 		ni_pi->lts_truncate = 0;
4254 	}
4255 
4256 	ni_pi->use_power_boost_limit = true;
4257 
4258 	/* make sure dc limits are valid */
4259 	if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
4260 	    (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
4261 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
4262 			rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4263 
4264 	return 0;
4265 }
4266 
4267 void ni_dpm_fini(struct radeon_device *rdev)
4268 {
4269 	int i;
4270 
4271 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
4272 		kfree(rdev->pm.dpm.ps[i].ps_priv);
4273 	}
4274 	kfree(rdev->pm.dpm.ps);
4275 	kfree(rdev->pm.dpm.priv);
4276 	kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
4277 	r600_free_extended_power_table(rdev);
4278 }
4279 
4280 void ni_dpm_print_power_state(struct radeon_device *rdev,
4281 			      struct radeon_ps *rps)
4282 {
4283 	struct ni_ps *ps = ni_get_ps(rps);
4284 	struct rv7xx_pl *pl;
4285 	int i;
4286 
4287 	r600_dpm_print_class_info(rps->class, rps->class2);
4288 	r600_dpm_print_cap_info(rps->caps);
4289 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
4290 	for (i = 0; i < ps->performance_level_count; i++) {
4291 		pl = &ps->performance_levels[i];
4292 		if (rdev->family >= CHIP_TAHITI)
4293 			printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u pcie gen: %u\n",
4294 			       i, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1);
4295 		else
4296 			printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
4297 			       i, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
4298 	}
4299 	r600_dpm_print_ps_status(rdev, rps);
4300 }
4301 
4302 void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
4303 						    struct seq_file *m)
4304 {
4305 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4306 	struct radeon_ps *rps = &eg_pi->current_rps;
4307 	struct ni_ps *ps = ni_get_ps(rps);
4308 	struct rv7xx_pl *pl;
4309 	u32 current_index =
4310 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4311 		CURRENT_STATE_INDEX_SHIFT;
4312 
4313 	if (current_index >= ps->performance_level_count) {
4314 		seq_printf(m, "invalid dpm profile %d\n", current_index);
4315 	} else {
4316 		pl = &ps->performance_levels[current_index];
4317 		seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
4318 		seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
4319 			   current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
4320 	}
4321 }
4322 
4323 u32 ni_dpm_get_current_sclk(struct radeon_device *rdev)
4324 {
4325 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4326 	struct radeon_ps *rps = &eg_pi->current_rps;
4327 	struct ni_ps *ps = ni_get_ps(rps);
4328 	struct rv7xx_pl *pl;
4329 	u32 current_index =
4330 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4331 		CURRENT_STATE_INDEX_SHIFT;
4332 
4333 	if (current_index >= ps->performance_level_count) {
4334 		return 0;
4335 	} else {
4336 		pl = &ps->performance_levels[current_index];
4337 		return pl->sclk;
4338 	}
4339 }
4340 
4341 u32 ni_dpm_get_current_mclk(struct radeon_device *rdev)
4342 {
4343 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4344 	struct radeon_ps *rps = &eg_pi->current_rps;
4345 	struct ni_ps *ps = ni_get_ps(rps);
4346 	struct rv7xx_pl *pl;
4347 	u32 current_index =
4348 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4349 		CURRENT_STATE_INDEX_SHIFT;
4350 
4351 	if (current_index >= ps->performance_level_count) {
4352 		return 0;
4353 	} else {
4354 		pl = &ps->performance_levels[current_index];
4355 		return pl->mclk;
4356 	}
4357 }
4358 
4359 u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low)
4360 {
4361 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4362 	struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);
4363 
4364 	if (low)
4365 		return requested_state->performance_levels[0].sclk;
4366 	else
4367 		return requested_state->performance_levels[requested_state->performance_level_count - 1].sclk;
4368 }
4369 
4370 u32 ni_dpm_get_mclk(struct radeon_device *rdev, bool low)
4371 {
4372 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4373 	struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);
4374 
4375 	if (low)
4376 		return requested_state->performance_levels[0].mclk;
4377 	else
4378 		return requested_state->performance_levels[requested_state->performance_level_count - 1].mclk;
4379 }
4380 
4381