xref: /openbmc/linux/drivers/gpu/drm/radeon/ni_dpm.c (revision dc6a81c3)
1 /*
2  * Copyright 2012 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/math64.h>
25 #include <linux/pci.h>
26 #include <linux/seq_file.h>
27 
28 #include "atom.h"
29 #include "ni_dpm.h"
30 #include "nid.h"
31 #include "r600_dpm.h"
32 #include "radeon.h"
33 #include "radeon_asic.h"
34 
35 #define MC_CG_ARB_FREQ_F0           0x0a
36 #define MC_CG_ARB_FREQ_F1           0x0b
37 #define MC_CG_ARB_FREQ_F2           0x0c
38 #define MC_CG_ARB_FREQ_F3           0x0d
39 
40 #define SMC_RAM_END 0xC000
41 
42 static const struct ni_cac_weights cac_weights_cayman_xt =
43 {
44 	0x15,
45 	0x2,
46 	0x19,
47 	0x2,
48 	0x8,
49 	0x14,
50 	0x2,
51 	0x16,
52 	0xE,
53 	0x17,
54 	0x13,
55 	0x2B,
56 	0x10,
57 	0x7,
58 	0x5,
59 	0x5,
60 	0x5,
61 	0x2,
62 	0x3,
63 	0x9,
64 	0x10,
65 	0x10,
66 	0x2B,
67 	0xA,
68 	0x9,
69 	0x4,
70 	0xD,
71 	0xD,
72 	0x3E,
73 	0x18,
74 	0x14,
75 	0,
76 	0x3,
77 	0x3,
78 	0x5,
79 	0,
80 	0x2,
81 	0,
82 	0,
83 	0,
84 	0,
85 	0,
86 	0,
87 	0,
88 	0,
89 	0,
90 	0x1CC,
91 	0,
92 	0x164,
93 	1,
94 	1,
95 	1,
96 	1,
97 	12,
98 	12,
99 	12,
100 	0x12,
101 	0x1F,
102 	132,
103 	5,
104 	7,
105 	0,
106 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
107 	{ 0, 0, 0, 0 },
108 	true
109 };
110 
111 static const struct ni_cac_weights cac_weights_cayman_pro =
112 {
113 	0x16,
114 	0x4,
115 	0x10,
116 	0x2,
117 	0xA,
118 	0x16,
119 	0x2,
120 	0x18,
121 	0x10,
122 	0x1A,
123 	0x16,
124 	0x2D,
125 	0x12,
126 	0xA,
127 	0x6,
128 	0x6,
129 	0x6,
130 	0x2,
131 	0x4,
132 	0xB,
133 	0x11,
134 	0x11,
135 	0x2D,
136 	0xC,
137 	0xC,
138 	0x7,
139 	0x10,
140 	0x10,
141 	0x3F,
142 	0x1A,
143 	0x16,
144 	0,
145 	0x7,
146 	0x4,
147 	0x6,
148 	1,
149 	0x2,
150 	0x1,
151 	0,
152 	0,
153 	0,
154 	0,
155 	0,
156 	0,
157 	0x30,
158 	0,
159 	0x1CF,
160 	0,
161 	0x166,
162 	1,
163 	1,
164 	1,
165 	1,
166 	12,
167 	12,
168 	12,
169 	0x15,
170 	0x1F,
171 	132,
172 	6,
173 	6,
174 	0,
175 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
176 	{ 0, 0, 0, 0 },
177 	true
178 };
179 
180 static const struct ni_cac_weights cac_weights_cayman_le =
181 {
182 	0x7,
183 	0xE,
184 	0x1,
185 	0xA,
186 	0x1,
187 	0x3F,
188 	0x2,
189 	0x18,
190 	0x10,
191 	0x1A,
192 	0x1,
193 	0x3F,
194 	0x1,
195 	0xE,
196 	0x6,
197 	0x6,
198 	0x6,
199 	0x2,
200 	0x4,
201 	0x9,
202 	0x1A,
203 	0x1A,
204 	0x2C,
205 	0xA,
206 	0x11,
207 	0x8,
208 	0x19,
209 	0x19,
210 	0x1,
211 	0x1,
212 	0x1A,
213 	0,
214 	0x8,
215 	0x5,
216 	0x8,
217 	0x1,
218 	0x3,
219 	0x1,
220 	0,
221 	0,
222 	0,
223 	0,
224 	0,
225 	0,
226 	0x38,
227 	0x38,
228 	0x239,
229 	0x3,
230 	0x18A,
231 	1,
232 	1,
233 	1,
234 	1,
235 	12,
236 	12,
237 	12,
238 	0x15,
239 	0x22,
240 	132,
241 	6,
242 	6,
243 	0,
244 	{ 0, 0, 0, 0, 0, 0, 0, 0 },
245 	{ 0, 0, 0, 0 },
246 	true
247 };
248 
249 #define NISLANDS_MGCG_SEQUENCE  300
250 
251 static const u32 cayman_cgcg_cgls_default[] =
252 {
253 	0x000008f8, 0x00000010, 0xffffffff,
254 	0x000008fc, 0x00000000, 0xffffffff,
255 	0x000008f8, 0x00000011, 0xffffffff,
256 	0x000008fc, 0x00000000, 0xffffffff,
257 	0x000008f8, 0x00000012, 0xffffffff,
258 	0x000008fc, 0x00000000, 0xffffffff,
259 	0x000008f8, 0x00000013, 0xffffffff,
260 	0x000008fc, 0x00000000, 0xffffffff,
261 	0x000008f8, 0x00000014, 0xffffffff,
262 	0x000008fc, 0x00000000, 0xffffffff,
263 	0x000008f8, 0x00000015, 0xffffffff,
264 	0x000008fc, 0x00000000, 0xffffffff,
265 	0x000008f8, 0x00000016, 0xffffffff,
266 	0x000008fc, 0x00000000, 0xffffffff,
267 	0x000008f8, 0x00000017, 0xffffffff,
268 	0x000008fc, 0x00000000, 0xffffffff,
269 	0x000008f8, 0x00000018, 0xffffffff,
270 	0x000008fc, 0x00000000, 0xffffffff,
271 	0x000008f8, 0x00000019, 0xffffffff,
272 	0x000008fc, 0x00000000, 0xffffffff,
273 	0x000008f8, 0x0000001a, 0xffffffff,
274 	0x000008fc, 0x00000000, 0xffffffff,
275 	0x000008f8, 0x0000001b, 0xffffffff,
276 	0x000008fc, 0x00000000, 0xffffffff,
277 	0x000008f8, 0x00000020, 0xffffffff,
278 	0x000008fc, 0x00000000, 0xffffffff,
279 	0x000008f8, 0x00000021, 0xffffffff,
280 	0x000008fc, 0x00000000, 0xffffffff,
281 	0x000008f8, 0x00000022, 0xffffffff,
282 	0x000008fc, 0x00000000, 0xffffffff,
283 	0x000008f8, 0x00000023, 0xffffffff,
284 	0x000008fc, 0x00000000, 0xffffffff,
285 	0x000008f8, 0x00000024, 0xffffffff,
286 	0x000008fc, 0x00000000, 0xffffffff,
287 	0x000008f8, 0x00000025, 0xffffffff,
288 	0x000008fc, 0x00000000, 0xffffffff,
289 	0x000008f8, 0x00000026, 0xffffffff,
290 	0x000008fc, 0x00000000, 0xffffffff,
291 	0x000008f8, 0x00000027, 0xffffffff,
292 	0x000008fc, 0x00000000, 0xffffffff,
293 	0x000008f8, 0x00000028, 0xffffffff,
294 	0x000008fc, 0x00000000, 0xffffffff,
295 	0x000008f8, 0x00000029, 0xffffffff,
296 	0x000008fc, 0x00000000, 0xffffffff,
297 	0x000008f8, 0x0000002a, 0xffffffff,
298 	0x000008fc, 0x00000000, 0xffffffff,
299 	0x000008f8, 0x0000002b, 0xffffffff,
300 	0x000008fc, 0x00000000, 0xffffffff
301 };
302 #define CAYMAN_CGCG_CGLS_DEFAULT_LENGTH sizeof(cayman_cgcg_cgls_default) / (3 * sizeof(u32))
303 
304 static const u32 cayman_cgcg_cgls_disable[] =
305 {
306 	0x000008f8, 0x00000010, 0xffffffff,
307 	0x000008fc, 0xffffffff, 0xffffffff,
308 	0x000008f8, 0x00000011, 0xffffffff,
309 	0x000008fc, 0xffffffff, 0xffffffff,
310 	0x000008f8, 0x00000012, 0xffffffff,
311 	0x000008fc, 0xffffffff, 0xffffffff,
312 	0x000008f8, 0x00000013, 0xffffffff,
313 	0x000008fc, 0xffffffff, 0xffffffff,
314 	0x000008f8, 0x00000014, 0xffffffff,
315 	0x000008fc, 0xffffffff, 0xffffffff,
316 	0x000008f8, 0x00000015, 0xffffffff,
317 	0x000008fc, 0xffffffff, 0xffffffff,
318 	0x000008f8, 0x00000016, 0xffffffff,
319 	0x000008fc, 0xffffffff, 0xffffffff,
320 	0x000008f8, 0x00000017, 0xffffffff,
321 	0x000008fc, 0xffffffff, 0xffffffff,
322 	0x000008f8, 0x00000018, 0xffffffff,
323 	0x000008fc, 0xffffffff, 0xffffffff,
324 	0x000008f8, 0x00000019, 0xffffffff,
325 	0x000008fc, 0xffffffff, 0xffffffff,
326 	0x000008f8, 0x0000001a, 0xffffffff,
327 	0x000008fc, 0xffffffff, 0xffffffff,
328 	0x000008f8, 0x0000001b, 0xffffffff,
329 	0x000008fc, 0xffffffff, 0xffffffff,
330 	0x000008f8, 0x00000020, 0xffffffff,
331 	0x000008fc, 0x00000000, 0xffffffff,
332 	0x000008f8, 0x00000021, 0xffffffff,
333 	0x000008fc, 0x00000000, 0xffffffff,
334 	0x000008f8, 0x00000022, 0xffffffff,
335 	0x000008fc, 0x00000000, 0xffffffff,
336 	0x000008f8, 0x00000023, 0xffffffff,
337 	0x000008fc, 0x00000000, 0xffffffff,
338 	0x000008f8, 0x00000024, 0xffffffff,
339 	0x000008fc, 0x00000000, 0xffffffff,
340 	0x000008f8, 0x00000025, 0xffffffff,
341 	0x000008fc, 0x00000000, 0xffffffff,
342 	0x000008f8, 0x00000026, 0xffffffff,
343 	0x000008fc, 0x00000000, 0xffffffff,
344 	0x000008f8, 0x00000027, 0xffffffff,
345 	0x000008fc, 0x00000000, 0xffffffff,
346 	0x000008f8, 0x00000028, 0xffffffff,
347 	0x000008fc, 0x00000000, 0xffffffff,
348 	0x000008f8, 0x00000029, 0xffffffff,
349 	0x000008fc, 0x00000000, 0xffffffff,
350 	0x000008f8, 0x0000002a, 0xffffffff,
351 	0x000008fc, 0x00000000, 0xffffffff,
352 	0x000008f8, 0x0000002b, 0xffffffff,
353 	0x000008fc, 0x00000000, 0xffffffff,
354 	0x00000644, 0x000f7902, 0x001f4180,
355 	0x00000644, 0x000f3802, 0x001f4180
356 };
357 #define CAYMAN_CGCG_CGLS_DISABLE_LENGTH sizeof(cayman_cgcg_cgls_disable) / (3 * sizeof(u32))
358 
359 static const u32 cayman_cgcg_cgls_enable[] =
360 {
361 	0x00000644, 0x000f7882, 0x001f4080,
362 	0x000008f8, 0x00000010, 0xffffffff,
363 	0x000008fc, 0x00000000, 0xffffffff,
364 	0x000008f8, 0x00000011, 0xffffffff,
365 	0x000008fc, 0x00000000, 0xffffffff,
366 	0x000008f8, 0x00000012, 0xffffffff,
367 	0x000008fc, 0x00000000, 0xffffffff,
368 	0x000008f8, 0x00000013, 0xffffffff,
369 	0x000008fc, 0x00000000, 0xffffffff,
370 	0x000008f8, 0x00000014, 0xffffffff,
371 	0x000008fc, 0x00000000, 0xffffffff,
372 	0x000008f8, 0x00000015, 0xffffffff,
373 	0x000008fc, 0x00000000, 0xffffffff,
374 	0x000008f8, 0x00000016, 0xffffffff,
375 	0x000008fc, 0x00000000, 0xffffffff,
376 	0x000008f8, 0x00000017, 0xffffffff,
377 	0x000008fc, 0x00000000, 0xffffffff,
378 	0x000008f8, 0x00000018, 0xffffffff,
379 	0x000008fc, 0x00000000, 0xffffffff,
380 	0x000008f8, 0x00000019, 0xffffffff,
381 	0x000008fc, 0x00000000, 0xffffffff,
382 	0x000008f8, 0x0000001a, 0xffffffff,
383 	0x000008fc, 0x00000000, 0xffffffff,
384 	0x000008f8, 0x0000001b, 0xffffffff,
385 	0x000008fc, 0x00000000, 0xffffffff,
386 	0x000008f8, 0x00000020, 0xffffffff,
387 	0x000008fc, 0xffffffff, 0xffffffff,
388 	0x000008f8, 0x00000021, 0xffffffff,
389 	0x000008fc, 0xffffffff, 0xffffffff,
390 	0x000008f8, 0x00000022, 0xffffffff,
391 	0x000008fc, 0xffffffff, 0xffffffff,
392 	0x000008f8, 0x00000023, 0xffffffff,
393 	0x000008fc, 0xffffffff, 0xffffffff,
394 	0x000008f8, 0x00000024, 0xffffffff,
395 	0x000008fc, 0xffffffff, 0xffffffff,
396 	0x000008f8, 0x00000025, 0xffffffff,
397 	0x000008fc, 0xffffffff, 0xffffffff,
398 	0x000008f8, 0x00000026, 0xffffffff,
399 	0x000008fc, 0xffffffff, 0xffffffff,
400 	0x000008f8, 0x00000027, 0xffffffff,
401 	0x000008fc, 0xffffffff, 0xffffffff,
402 	0x000008f8, 0x00000028, 0xffffffff,
403 	0x000008fc, 0xffffffff, 0xffffffff,
404 	0x000008f8, 0x00000029, 0xffffffff,
405 	0x000008fc, 0xffffffff, 0xffffffff,
406 	0x000008f8, 0x0000002a, 0xffffffff,
407 	0x000008fc, 0xffffffff, 0xffffffff,
408 	0x000008f8, 0x0000002b, 0xffffffff,
409 	0x000008fc, 0xffffffff, 0xffffffff
410 };
411 #define CAYMAN_CGCG_CGLS_ENABLE_LENGTH  sizeof(cayman_cgcg_cgls_enable) / (3 * sizeof(u32))
412 
413 static const u32 cayman_mgcg_default[] =
414 {
415 	0x0000802c, 0xc0000000, 0xffffffff,
416 	0x00003fc4, 0xc0000000, 0xffffffff,
417 	0x00005448, 0x00000100, 0xffffffff,
418 	0x000055e4, 0x00000100, 0xffffffff,
419 	0x0000160c, 0x00000100, 0xffffffff,
420 	0x00008984, 0x06000100, 0xffffffff,
421 	0x0000c164, 0x00000100, 0xffffffff,
422 	0x00008a18, 0x00000100, 0xffffffff,
423 	0x0000897c, 0x06000100, 0xffffffff,
424 	0x00008b28, 0x00000100, 0xffffffff,
425 	0x00009144, 0x00800200, 0xffffffff,
426 	0x00009a60, 0x00000100, 0xffffffff,
427 	0x00009868, 0x00000100, 0xffffffff,
428 	0x00008d58, 0x00000100, 0xffffffff,
429 	0x00009510, 0x00000100, 0xffffffff,
430 	0x0000949c, 0x00000100, 0xffffffff,
431 	0x00009654, 0x00000100, 0xffffffff,
432 	0x00009030, 0x00000100, 0xffffffff,
433 	0x00009034, 0x00000100, 0xffffffff,
434 	0x00009038, 0x00000100, 0xffffffff,
435 	0x0000903c, 0x00000100, 0xffffffff,
436 	0x00009040, 0x00000100, 0xffffffff,
437 	0x0000a200, 0x00000100, 0xffffffff,
438 	0x0000a204, 0x00000100, 0xffffffff,
439 	0x0000a208, 0x00000100, 0xffffffff,
440 	0x0000a20c, 0x00000100, 0xffffffff,
441 	0x00009744, 0x00000100, 0xffffffff,
442 	0x00003f80, 0x00000100, 0xffffffff,
443 	0x0000a210, 0x00000100, 0xffffffff,
444 	0x0000a214, 0x00000100, 0xffffffff,
445 	0x000004d8, 0x00000100, 0xffffffff,
446 	0x00009664, 0x00000100, 0xffffffff,
447 	0x00009698, 0x00000100, 0xffffffff,
448 	0x000004d4, 0x00000200, 0xffffffff,
449 	0x000004d0, 0x00000000, 0xffffffff,
450 	0x000030cc, 0x00000104, 0xffffffff,
451 	0x0000d0c0, 0x00000100, 0xffffffff,
452 	0x0000d8c0, 0x00000100, 0xffffffff,
453 	0x0000802c, 0x40000000, 0xffffffff,
454 	0x00003fc4, 0x40000000, 0xffffffff,
455 	0x0000915c, 0x00010000, 0xffffffff,
456 	0x00009160, 0x00030002, 0xffffffff,
457 	0x00009164, 0x00050004, 0xffffffff,
458 	0x00009168, 0x00070006, 0xffffffff,
459 	0x00009178, 0x00070000, 0xffffffff,
460 	0x0000917c, 0x00030002, 0xffffffff,
461 	0x00009180, 0x00050004, 0xffffffff,
462 	0x0000918c, 0x00010006, 0xffffffff,
463 	0x00009190, 0x00090008, 0xffffffff,
464 	0x00009194, 0x00070000, 0xffffffff,
465 	0x00009198, 0x00030002, 0xffffffff,
466 	0x0000919c, 0x00050004, 0xffffffff,
467 	0x000091a8, 0x00010006, 0xffffffff,
468 	0x000091ac, 0x00090008, 0xffffffff,
469 	0x000091b0, 0x00070000, 0xffffffff,
470 	0x000091b4, 0x00030002, 0xffffffff,
471 	0x000091b8, 0x00050004, 0xffffffff,
472 	0x000091c4, 0x00010006, 0xffffffff,
473 	0x000091c8, 0x00090008, 0xffffffff,
474 	0x000091cc, 0x00070000, 0xffffffff,
475 	0x000091d0, 0x00030002, 0xffffffff,
476 	0x000091d4, 0x00050004, 0xffffffff,
477 	0x000091e0, 0x00010006, 0xffffffff,
478 	0x000091e4, 0x00090008, 0xffffffff,
479 	0x000091e8, 0x00000000, 0xffffffff,
480 	0x000091ec, 0x00070000, 0xffffffff,
481 	0x000091f0, 0x00030002, 0xffffffff,
482 	0x000091f4, 0x00050004, 0xffffffff,
483 	0x00009200, 0x00010006, 0xffffffff,
484 	0x00009204, 0x00090008, 0xffffffff,
485 	0x00009208, 0x00070000, 0xffffffff,
486 	0x0000920c, 0x00030002, 0xffffffff,
487 	0x00009210, 0x00050004, 0xffffffff,
488 	0x0000921c, 0x00010006, 0xffffffff,
489 	0x00009220, 0x00090008, 0xffffffff,
490 	0x00009224, 0x00070000, 0xffffffff,
491 	0x00009228, 0x00030002, 0xffffffff,
492 	0x0000922c, 0x00050004, 0xffffffff,
493 	0x00009238, 0x00010006, 0xffffffff,
494 	0x0000923c, 0x00090008, 0xffffffff,
495 	0x00009240, 0x00070000, 0xffffffff,
496 	0x00009244, 0x00030002, 0xffffffff,
497 	0x00009248, 0x00050004, 0xffffffff,
498 	0x00009254, 0x00010006, 0xffffffff,
499 	0x00009258, 0x00090008, 0xffffffff,
500 	0x0000925c, 0x00070000, 0xffffffff,
501 	0x00009260, 0x00030002, 0xffffffff,
502 	0x00009264, 0x00050004, 0xffffffff,
503 	0x00009270, 0x00010006, 0xffffffff,
504 	0x00009274, 0x00090008, 0xffffffff,
505 	0x00009278, 0x00070000, 0xffffffff,
506 	0x0000927c, 0x00030002, 0xffffffff,
507 	0x00009280, 0x00050004, 0xffffffff,
508 	0x0000928c, 0x00010006, 0xffffffff,
509 	0x00009290, 0x00090008, 0xffffffff,
510 	0x000092a8, 0x00070000, 0xffffffff,
511 	0x000092ac, 0x00030002, 0xffffffff,
512 	0x000092b0, 0x00050004, 0xffffffff,
513 	0x000092bc, 0x00010006, 0xffffffff,
514 	0x000092c0, 0x00090008, 0xffffffff,
515 	0x000092c4, 0x00070000, 0xffffffff,
516 	0x000092c8, 0x00030002, 0xffffffff,
517 	0x000092cc, 0x00050004, 0xffffffff,
518 	0x000092d8, 0x00010006, 0xffffffff,
519 	0x000092dc, 0x00090008, 0xffffffff,
520 	0x00009294, 0x00000000, 0xffffffff,
521 	0x0000802c, 0x40010000, 0xffffffff,
522 	0x00003fc4, 0x40010000, 0xffffffff,
523 	0x0000915c, 0x00010000, 0xffffffff,
524 	0x00009160, 0x00030002, 0xffffffff,
525 	0x00009164, 0x00050004, 0xffffffff,
526 	0x00009168, 0x00070006, 0xffffffff,
527 	0x00009178, 0x00070000, 0xffffffff,
528 	0x0000917c, 0x00030002, 0xffffffff,
529 	0x00009180, 0x00050004, 0xffffffff,
530 	0x0000918c, 0x00010006, 0xffffffff,
531 	0x00009190, 0x00090008, 0xffffffff,
532 	0x00009194, 0x00070000, 0xffffffff,
533 	0x00009198, 0x00030002, 0xffffffff,
534 	0x0000919c, 0x00050004, 0xffffffff,
535 	0x000091a8, 0x00010006, 0xffffffff,
536 	0x000091ac, 0x00090008, 0xffffffff,
537 	0x000091b0, 0x00070000, 0xffffffff,
538 	0x000091b4, 0x00030002, 0xffffffff,
539 	0x000091b8, 0x00050004, 0xffffffff,
540 	0x000091c4, 0x00010006, 0xffffffff,
541 	0x000091c8, 0x00090008, 0xffffffff,
542 	0x000091cc, 0x00070000, 0xffffffff,
543 	0x000091d0, 0x00030002, 0xffffffff,
544 	0x000091d4, 0x00050004, 0xffffffff,
545 	0x000091e0, 0x00010006, 0xffffffff,
546 	0x000091e4, 0x00090008, 0xffffffff,
547 	0x000091e8, 0x00000000, 0xffffffff,
548 	0x000091ec, 0x00070000, 0xffffffff,
549 	0x000091f0, 0x00030002, 0xffffffff,
550 	0x000091f4, 0x00050004, 0xffffffff,
551 	0x00009200, 0x00010006, 0xffffffff,
552 	0x00009204, 0x00090008, 0xffffffff,
553 	0x00009208, 0x00070000, 0xffffffff,
554 	0x0000920c, 0x00030002, 0xffffffff,
555 	0x00009210, 0x00050004, 0xffffffff,
556 	0x0000921c, 0x00010006, 0xffffffff,
557 	0x00009220, 0x00090008, 0xffffffff,
558 	0x00009224, 0x00070000, 0xffffffff,
559 	0x00009228, 0x00030002, 0xffffffff,
560 	0x0000922c, 0x00050004, 0xffffffff,
561 	0x00009238, 0x00010006, 0xffffffff,
562 	0x0000923c, 0x00090008, 0xffffffff,
563 	0x00009240, 0x00070000, 0xffffffff,
564 	0x00009244, 0x00030002, 0xffffffff,
565 	0x00009248, 0x00050004, 0xffffffff,
566 	0x00009254, 0x00010006, 0xffffffff,
567 	0x00009258, 0x00090008, 0xffffffff,
568 	0x0000925c, 0x00070000, 0xffffffff,
569 	0x00009260, 0x00030002, 0xffffffff,
570 	0x00009264, 0x00050004, 0xffffffff,
571 	0x00009270, 0x00010006, 0xffffffff,
572 	0x00009274, 0x00090008, 0xffffffff,
573 	0x00009278, 0x00070000, 0xffffffff,
574 	0x0000927c, 0x00030002, 0xffffffff,
575 	0x00009280, 0x00050004, 0xffffffff,
576 	0x0000928c, 0x00010006, 0xffffffff,
577 	0x00009290, 0x00090008, 0xffffffff,
578 	0x000092a8, 0x00070000, 0xffffffff,
579 	0x000092ac, 0x00030002, 0xffffffff,
580 	0x000092b0, 0x00050004, 0xffffffff,
581 	0x000092bc, 0x00010006, 0xffffffff,
582 	0x000092c0, 0x00090008, 0xffffffff,
583 	0x000092c4, 0x00070000, 0xffffffff,
584 	0x000092c8, 0x00030002, 0xffffffff,
585 	0x000092cc, 0x00050004, 0xffffffff,
586 	0x000092d8, 0x00010006, 0xffffffff,
587 	0x000092dc, 0x00090008, 0xffffffff,
588 	0x00009294, 0x00000000, 0xffffffff,
589 	0x0000802c, 0xc0000000, 0xffffffff,
590 	0x00003fc4, 0xc0000000, 0xffffffff,
591 	0x000008f8, 0x00000010, 0xffffffff,
592 	0x000008fc, 0x00000000, 0xffffffff,
593 	0x000008f8, 0x00000011, 0xffffffff,
594 	0x000008fc, 0x00000000, 0xffffffff,
595 	0x000008f8, 0x00000012, 0xffffffff,
596 	0x000008fc, 0x00000000, 0xffffffff,
597 	0x000008f8, 0x00000013, 0xffffffff,
598 	0x000008fc, 0x00000000, 0xffffffff,
599 	0x000008f8, 0x00000014, 0xffffffff,
600 	0x000008fc, 0x00000000, 0xffffffff,
601 	0x000008f8, 0x00000015, 0xffffffff,
602 	0x000008fc, 0x00000000, 0xffffffff,
603 	0x000008f8, 0x00000016, 0xffffffff,
604 	0x000008fc, 0x00000000, 0xffffffff,
605 	0x000008f8, 0x00000017, 0xffffffff,
606 	0x000008fc, 0x00000000, 0xffffffff,
607 	0x000008f8, 0x00000018, 0xffffffff,
608 	0x000008fc, 0x00000000, 0xffffffff,
609 	0x000008f8, 0x00000019, 0xffffffff,
610 	0x000008fc, 0x00000000, 0xffffffff,
611 	0x000008f8, 0x0000001a, 0xffffffff,
612 	0x000008fc, 0x00000000, 0xffffffff,
613 	0x000008f8, 0x0000001b, 0xffffffff,
614 	0x000008fc, 0x00000000, 0xffffffff
615 };
616 #define CAYMAN_MGCG_DEFAULT_LENGTH sizeof(cayman_mgcg_default) / (3 * sizeof(u32))
617 
618 static const u32 cayman_mgcg_disable[] =
619 {
620 	0x0000802c, 0xc0000000, 0xffffffff,
621 	0x000008f8, 0x00000000, 0xffffffff,
622 	0x000008fc, 0xffffffff, 0xffffffff,
623 	0x000008f8, 0x00000001, 0xffffffff,
624 	0x000008fc, 0xffffffff, 0xffffffff,
625 	0x000008f8, 0x00000002, 0xffffffff,
626 	0x000008fc, 0xffffffff, 0xffffffff,
627 	0x000008f8, 0x00000003, 0xffffffff,
628 	0x000008fc, 0xffffffff, 0xffffffff,
629 	0x00009150, 0x00600000, 0xffffffff
630 };
631 #define CAYMAN_MGCG_DISABLE_LENGTH   sizeof(cayman_mgcg_disable) / (3 * sizeof(u32))
632 
633 static const u32 cayman_mgcg_enable[] =
634 {
635 	0x0000802c, 0xc0000000, 0xffffffff,
636 	0x000008f8, 0x00000000, 0xffffffff,
637 	0x000008fc, 0x00000000, 0xffffffff,
638 	0x000008f8, 0x00000001, 0xffffffff,
639 	0x000008fc, 0x00000000, 0xffffffff,
640 	0x000008f8, 0x00000002, 0xffffffff,
641 	0x000008fc, 0x00600000, 0xffffffff,
642 	0x000008f8, 0x00000003, 0xffffffff,
643 	0x000008fc, 0x00000000, 0xffffffff,
644 	0x00009150, 0x96944200, 0xffffffff
645 };
646 
647 #define CAYMAN_MGCG_ENABLE_LENGTH   sizeof(cayman_mgcg_enable) / (3 * sizeof(u32))
648 
649 #define NISLANDS_SYSLS_SEQUENCE  100
650 
651 static const u32 cayman_sysls_default[] =
652 {
653 	/* Register,   Value,     Mask bits */
654 	0x000055e8, 0x00000000, 0xffffffff,
655 	0x0000d0bc, 0x00000000, 0xffffffff,
656 	0x0000d8bc, 0x00000000, 0xffffffff,
657 	0x000015c0, 0x000c1401, 0xffffffff,
658 	0x0000264c, 0x000c0400, 0xffffffff,
659 	0x00002648, 0x000c0400, 0xffffffff,
660 	0x00002650, 0x000c0400, 0xffffffff,
661 	0x000020b8, 0x000c0400, 0xffffffff,
662 	0x000020bc, 0x000c0400, 0xffffffff,
663 	0x000020c0, 0x000c0c80, 0xffffffff,
664 	0x0000f4a0, 0x000000c0, 0xffffffff,
665 	0x0000f4a4, 0x00680fff, 0xffffffff,
666 	0x00002f50, 0x00000404, 0xffffffff,
667 	0x000004c8, 0x00000001, 0xffffffff,
668 	0x000064ec, 0x00000000, 0xffffffff,
669 	0x00000c7c, 0x00000000, 0xffffffff,
670 	0x00008dfc, 0x00000000, 0xffffffff
671 };
672 #define CAYMAN_SYSLS_DEFAULT_LENGTH sizeof(cayman_sysls_default) / (3 * sizeof(u32))
673 
674 static const u32 cayman_sysls_disable[] =
675 {
676 	/* Register,   Value,     Mask bits */
677 	0x0000d0c0, 0x00000000, 0xffffffff,
678 	0x0000d8c0, 0x00000000, 0xffffffff,
679 	0x000055e8, 0x00000000, 0xffffffff,
680 	0x0000d0bc, 0x00000000, 0xffffffff,
681 	0x0000d8bc, 0x00000000, 0xffffffff,
682 	0x000015c0, 0x00041401, 0xffffffff,
683 	0x0000264c, 0x00040400, 0xffffffff,
684 	0x00002648, 0x00040400, 0xffffffff,
685 	0x00002650, 0x00040400, 0xffffffff,
686 	0x000020b8, 0x00040400, 0xffffffff,
687 	0x000020bc, 0x00040400, 0xffffffff,
688 	0x000020c0, 0x00040c80, 0xffffffff,
689 	0x0000f4a0, 0x000000c0, 0xffffffff,
690 	0x0000f4a4, 0x00680000, 0xffffffff,
691 	0x00002f50, 0x00000404, 0xffffffff,
692 	0x000004c8, 0x00000001, 0xffffffff,
693 	0x000064ec, 0x00007ffd, 0xffffffff,
694 	0x00000c7c, 0x0000ff00, 0xffffffff,
695 	0x00008dfc, 0x0000007f, 0xffffffff
696 };
697 #define CAYMAN_SYSLS_DISABLE_LENGTH sizeof(cayman_sysls_disable) / (3 * sizeof(u32))
698 
699 static const u32 cayman_sysls_enable[] =
700 {
701 	/* Register,   Value,     Mask bits */
702 	0x000055e8, 0x00000001, 0xffffffff,
703 	0x0000d0bc, 0x00000100, 0xffffffff,
704 	0x0000d8bc, 0x00000100, 0xffffffff,
705 	0x000015c0, 0x000c1401, 0xffffffff,
706 	0x0000264c, 0x000c0400, 0xffffffff,
707 	0x00002648, 0x000c0400, 0xffffffff,
708 	0x00002650, 0x000c0400, 0xffffffff,
709 	0x000020b8, 0x000c0400, 0xffffffff,
710 	0x000020bc, 0x000c0400, 0xffffffff,
711 	0x000020c0, 0x000c0c80, 0xffffffff,
712 	0x0000f4a0, 0x000000c0, 0xffffffff,
713 	0x0000f4a4, 0x00680fff, 0xffffffff,
714 	0x00002f50, 0x00000903, 0xffffffff,
715 	0x000004c8, 0x00000000, 0xffffffff,
716 	0x000064ec, 0x00000000, 0xffffffff,
717 	0x00000c7c, 0x00000000, 0xffffffff,
718 	0x00008dfc, 0x00000000, 0xffffffff
719 };
720 #define CAYMAN_SYSLS_ENABLE_LENGTH sizeof(cayman_sysls_enable) / (3 * sizeof(u32))
721 
722 struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
723 struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev);
724 
725 extern int ni_mc_load_microcode(struct radeon_device *rdev);
726 
727 struct ni_power_info *ni_get_pi(struct radeon_device *rdev)
728 {
729 	struct ni_power_info *pi = rdev->pm.dpm.priv;
730 
731 	return pi;
732 }
733 
734 struct ni_ps *ni_get_ps(struct radeon_ps *rps)
735 {
736 	struct ni_ps *ps = rps->ps_priv;
737 
738 	return ps;
739 }
740 
741 static void ni_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coeffients *coeff,
742 						     u16 v, s32 t,
743 						     u32 ileakage,
744 						     u32 *leakage)
745 {
746 	s64 kt, kv, leakage_w, i_leakage, vddc, temperature;
747 
748 	i_leakage = div64_s64(drm_int2fixp(ileakage), 1000);
749 	vddc = div64_s64(drm_int2fixp(v), 1000);
750 	temperature = div64_s64(drm_int2fixp(t), 1000);
751 
752 	kt = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->at), 1000),
753 			  drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bt), 1000), temperature)));
754 	kv = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->av), 1000),
755 			  drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bv), 1000), vddc)));
756 
757 	leakage_w = drm_fixp_mul(drm_fixp_mul(drm_fixp_mul(i_leakage, kt), kv), vddc);
758 
759 	*leakage = drm_fixp2int(leakage_w * 1000);
760 }
761 
762 static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev,
763 					     const struct ni_leakage_coeffients *coeff,
764 					     u16 v,
765 					     s32 t,
766 					     u32 i_leakage,
767 					     u32 *leakage)
768 {
769 	ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage);
770 }
771 
772 bool ni_dpm_vblank_too_short(struct radeon_device *rdev)
773 {
774 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
775 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
776 	/* we never hit the non-gddr5 limit so disable it */
777 	u32 switch_limit = pi->mem_gddr5 ? 450 : 0;
778 
779 	if (vblank_time < switch_limit)
780 		return true;
781 	else
782 		return false;
783 
784 }
785 
786 static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
787 					struct radeon_ps *rps)
788 {
789 	struct ni_ps *ps = ni_get_ps(rps);
790 	struct radeon_clock_and_voltage_limits *max_limits;
791 	bool disable_mclk_switching;
792 	u32 mclk;
793 	u16 vddci;
794 	int i;
795 
796 	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
797 	    ni_dpm_vblank_too_short(rdev))
798 		disable_mclk_switching = true;
799 	else
800 		disable_mclk_switching = false;
801 
802 	if (rdev->pm.dpm.ac_power)
803 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
804 	else
805 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
806 
807 	if (rdev->pm.dpm.ac_power == false) {
808 		for (i = 0; i < ps->performance_level_count; i++) {
809 			if (ps->performance_levels[i].mclk > max_limits->mclk)
810 				ps->performance_levels[i].mclk = max_limits->mclk;
811 			if (ps->performance_levels[i].sclk > max_limits->sclk)
812 				ps->performance_levels[i].sclk = max_limits->sclk;
813 			if (ps->performance_levels[i].vddc > max_limits->vddc)
814 				ps->performance_levels[i].vddc = max_limits->vddc;
815 			if (ps->performance_levels[i].vddci > max_limits->vddci)
816 				ps->performance_levels[i].vddci = max_limits->vddci;
817 		}
818 	}
819 
820 	/* XXX validate the min clocks required for display */
821 
822 	/* adjust low state */
823 	if (disable_mclk_switching) {
824 		ps->performance_levels[0].mclk =
825 			ps->performance_levels[ps->performance_level_count - 1].mclk;
826 		ps->performance_levels[0].vddci =
827 			ps->performance_levels[ps->performance_level_count - 1].vddci;
828 	}
829 
830 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
831 				  &ps->performance_levels[0].sclk,
832 				  &ps->performance_levels[0].mclk);
833 
834 	for (i = 1; i < ps->performance_level_count; i++) {
835 		if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
836 			ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
837 		if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
838 			ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
839 	}
840 
841 	/* adjust remaining states */
842 	if (disable_mclk_switching) {
843 		mclk = ps->performance_levels[0].mclk;
844 		vddci = ps->performance_levels[0].vddci;
845 		for (i = 1; i < ps->performance_level_count; i++) {
846 			if (mclk < ps->performance_levels[i].mclk)
847 				mclk = ps->performance_levels[i].mclk;
848 			if (vddci < ps->performance_levels[i].vddci)
849 				vddci = ps->performance_levels[i].vddci;
850 		}
851 		for (i = 0; i < ps->performance_level_count; i++) {
852 			ps->performance_levels[i].mclk = mclk;
853 			ps->performance_levels[i].vddci = vddci;
854 		}
855 	} else {
856 		for (i = 1; i < ps->performance_level_count; i++) {
857 			if (ps->performance_levels[i].mclk < ps->performance_levels[i - 1].mclk)
858 				ps->performance_levels[i].mclk = ps->performance_levels[i - 1].mclk;
859 			if (ps->performance_levels[i].vddci < ps->performance_levels[i - 1].vddci)
860 				ps->performance_levels[i].vddci = ps->performance_levels[i - 1].vddci;
861 		}
862 	}
863 
864 	for (i = 1; i < ps->performance_level_count; i++)
865 		btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
866 					  &ps->performance_levels[i].sclk,
867 					  &ps->performance_levels[i].mclk);
868 
869 	for (i = 0; i < ps->performance_level_count; i++)
870 		btc_adjust_clock_combinations(rdev, max_limits,
871 					      &ps->performance_levels[i]);
872 
873 	for (i = 0; i < ps->performance_level_count; i++) {
874 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
875 						   ps->performance_levels[i].sclk,
876 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
877 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
878 						   ps->performance_levels[i].mclk,
879 						   max_limits->vddci, &ps->performance_levels[i].vddci);
880 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
881 						   ps->performance_levels[i].mclk,
882 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
883 		btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
884 						   rdev->clock.current_dispclk,
885 						   max_limits->vddc,  &ps->performance_levels[i].vddc);
886 	}
887 
888 	for (i = 0; i < ps->performance_level_count; i++) {
889 		btc_apply_voltage_delta_rules(rdev,
890 					      max_limits->vddc, max_limits->vddci,
891 					      &ps->performance_levels[i].vddc,
892 					      &ps->performance_levels[i].vddci);
893 	}
894 
895 	ps->dc_compatible = true;
896 	for (i = 0; i < ps->performance_level_count; i++) {
897 		if (ps->performance_levels[i].vddc > rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc)
898 			ps->dc_compatible = false;
899 
900 		if (ps->performance_levels[i].vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
901 			ps->performance_levels[i].flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
902 	}
903 }
904 
905 static void ni_cg_clockgating_default(struct radeon_device *rdev)
906 {
907 	u32 count;
908 	const u32 *ps = NULL;
909 
910 	ps = (const u32 *)&cayman_cgcg_cgls_default;
911 	count = CAYMAN_CGCG_CGLS_DEFAULT_LENGTH;
912 
913 	btc_program_mgcg_hw_sequence(rdev, ps, count);
914 }
915 
916 static void ni_gfx_clockgating_enable(struct radeon_device *rdev,
917 				      bool enable)
918 {
919 	u32 count;
920 	const u32 *ps = NULL;
921 
922 	if (enable) {
923 		ps = (const u32 *)&cayman_cgcg_cgls_enable;
924 		count = CAYMAN_CGCG_CGLS_ENABLE_LENGTH;
925 	} else {
926 		ps = (const u32 *)&cayman_cgcg_cgls_disable;
927 		count = CAYMAN_CGCG_CGLS_DISABLE_LENGTH;
928 	}
929 
930 	btc_program_mgcg_hw_sequence(rdev, ps, count);
931 }
932 
933 static void ni_mg_clockgating_default(struct radeon_device *rdev)
934 {
935 	u32 count;
936 	const u32 *ps = NULL;
937 
938 	ps = (const u32 *)&cayman_mgcg_default;
939 	count = CAYMAN_MGCG_DEFAULT_LENGTH;
940 
941 	btc_program_mgcg_hw_sequence(rdev, ps, count);
942 }
943 
944 static void ni_mg_clockgating_enable(struct radeon_device *rdev,
945 				     bool enable)
946 {
947 	u32 count;
948 	const u32 *ps = NULL;
949 
950 	if (enable) {
951 		ps = (const u32 *)&cayman_mgcg_enable;
952 		count = CAYMAN_MGCG_ENABLE_LENGTH;
953 	} else {
954 		ps = (const u32 *)&cayman_mgcg_disable;
955 		count = CAYMAN_MGCG_DISABLE_LENGTH;
956 	}
957 
958 	btc_program_mgcg_hw_sequence(rdev, ps, count);
959 }
960 
961 static void ni_ls_clockgating_default(struct radeon_device *rdev)
962 {
963 	u32 count;
964 	const u32 *ps = NULL;
965 
966 	ps = (const u32 *)&cayman_sysls_default;
967 	count = CAYMAN_SYSLS_DEFAULT_LENGTH;
968 
969 	btc_program_mgcg_hw_sequence(rdev, ps, count);
970 }
971 
972 static void ni_ls_clockgating_enable(struct radeon_device *rdev,
973 				     bool enable)
974 {
975 	u32 count;
976 	const u32 *ps = NULL;
977 
978 	if (enable) {
979 		ps = (const u32 *)&cayman_sysls_enable;
980 		count = CAYMAN_SYSLS_ENABLE_LENGTH;
981 	} else {
982 		ps = (const u32 *)&cayman_sysls_disable;
983 		count = CAYMAN_SYSLS_DISABLE_LENGTH;
984 	}
985 
986 	btc_program_mgcg_hw_sequence(rdev, ps, count);
987 
988 }
989 
990 static int ni_patch_single_dependency_table_based_on_leakage(struct radeon_device *rdev,
991 							     struct radeon_clock_voltage_dependency_table *table)
992 {
993 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
994 	u32 i;
995 
996 	if (table) {
997 		for (i = 0; i < table->count; i++) {
998 			if (0xff01 == table->entries[i].v) {
999 				if (pi->max_vddc == 0)
1000 					return -EINVAL;
1001 				table->entries[i].v = pi->max_vddc;
1002 			}
1003 		}
1004 	}
1005 	return 0;
1006 }
1007 
1008 static int ni_patch_dependency_tables_based_on_leakage(struct radeon_device *rdev)
1009 {
1010 	int ret = 0;
1011 
1012 	ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1013 								&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk);
1014 
1015 	ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1016 								&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk);
1017 	return ret;
1018 }
1019 
1020 static void ni_stop_dpm(struct radeon_device *rdev)
1021 {
1022 	WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
1023 }
1024 
1025 #if 0
1026 static int ni_notify_hw_of_power_source(struct radeon_device *rdev,
1027 					bool ac_power)
1028 {
1029 	if (ac_power)
1030 		return (rv770_send_msg_to_smc(rdev, PPSMC_MSG_RunningOnAC) == PPSMC_Result_OK) ?
1031 			0 : -EINVAL;
1032 
1033 	return 0;
1034 }
1035 #endif
1036 
1037 static PPSMC_Result ni_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
1038 						      PPSMC_Msg msg, u32 parameter)
1039 {
1040 	WREG32(SMC_SCRATCH0, parameter);
1041 	return rv770_send_msg_to_smc(rdev, msg);
1042 }
1043 
1044 static int ni_restrict_performance_levels_before_switch(struct radeon_device *rdev)
1045 {
1046 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
1047 		return -EINVAL;
1048 
1049 	return (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) == PPSMC_Result_OK) ?
1050 		0 : -EINVAL;
1051 }
1052 
1053 int ni_dpm_force_performance_level(struct radeon_device *rdev,
1054 				   enum radeon_dpm_forced_level level)
1055 {
1056 	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
1057 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1058 			return -EINVAL;
1059 
1060 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK)
1061 			return -EINVAL;
1062 	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
1063 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1064 			return -EINVAL;
1065 
1066 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK)
1067 			return -EINVAL;
1068 	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
1069 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1070 			return -EINVAL;
1071 
1072 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1073 			return -EINVAL;
1074 	}
1075 
1076 	rdev->pm.dpm.forced_level = level;
1077 
1078 	return 0;
1079 }
1080 
1081 static void ni_stop_smc(struct radeon_device *rdev)
1082 {
1083 	u32 tmp;
1084 	int i;
1085 
1086 	for (i = 0; i < rdev->usec_timeout; i++) {
1087 		tmp = RREG32(LB_SYNC_RESET_SEL) & LB_SYNC_RESET_SEL_MASK;
1088 		if (tmp != 1)
1089 			break;
1090 		udelay(1);
1091 	}
1092 
1093 	udelay(100);
1094 
1095 	r7xx_stop_smc(rdev);
1096 }
1097 
1098 static int ni_process_firmware_header(struct radeon_device *rdev)
1099 {
1100 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1101 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1102 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1103 	u32 tmp;
1104 	int ret;
1105 
1106 	ret = rv770_read_smc_sram_dword(rdev,
1107 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1108 					NISLANDS_SMC_FIRMWARE_HEADER_stateTable,
1109 					&tmp, pi->sram_end);
1110 
1111 	if (ret)
1112 		return ret;
1113 
1114 	pi->state_table_start = (u16)tmp;
1115 
1116 	ret = rv770_read_smc_sram_dword(rdev,
1117 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1118 					NISLANDS_SMC_FIRMWARE_HEADER_softRegisters,
1119 					&tmp, pi->sram_end);
1120 
1121 	if (ret)
1122 		return ret;
1123 
1124 	pi->soft_regs_start = (u16)tmp;
1125 
1126 	ret = rv770_read_smc_sram_dword(rdev,
1127 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1128 					NISLANDS_SMC_FIRMWARE_HEADER_mcRegisterTable,
1129 					&tmp, pi->sram_end);
1130 
1131 	if (ret)
1132 		return ret;
1133 
1134 	eg_pi->mc_reg_table_start = (u16)tmp;
1135 
1136 	ret = rv770_read_smc_sram_dword(rdev,
1137 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1138 					NISLANDS_SMC_FIRMWARE_HEADER_fanTable,
1139 					&tmp, pi->sram_end);
1140 
1141 	if (ret)
1142 		return ret;
1143 
1144 	ni_pi->fan_table_start = (u16)tmp;
1145 
1146 	ret = rv770_read_smc_sram_dword(rdev,
1147 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1148 					NISLANDS_SMC_FIRMWARE_HEADER_mcArbDramAutoRefreshTable,
1149 					&tmp, pi->sram_end);
1150 
1151 	if (ret)
1152 		return ret;
1153 
1154 	ni_pi->arb_table_start = (u16)tmp;
1155 
1156 	ret = rv770_read_smc_sram_dword(rdev,
1157 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1158 					NISLANDS_SMC_FIRMWARE_HEADER_cacTable,
1159 					&tmp, pi->sram_end);
1160 
1161 	if (ret)
1162 		return ret;
1163 
1164 	ni_pi->cac_table_start = (u16)tmp;
1165 
1166 	ret = rv770_read_smc_sram_dword(rdev,
1167 					NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1168 					NISLANDS_SMC_FIRMWARE_HEADER_spllTable,
1169 					&tmp, pi->sram_end);
1170 
1171 	if (ret)
1172 		return ret;
1173 
1174 	ni_pi->spll_table_start = (u16)tmp;
1175 
1176 
1177 	return ret;
1178 }
1179 
1180 static void ni_read_clock_registers(struct radeon_device *rdev)
1181 {
1182 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1183 
1184 	ni_pi->clock_registers.cg_spll_func_cntl = RREG32(CG_SPLL_FUNC_CNTL);
1185 	ni_pi->clock_registers.cg_spll_func_cntl_2 = RREG32(CG_SPLL_FUNC_CNTL_2);
1186 	ni_pi->clock_registers.cg_spll_func_cntl_3 = RREG32(CG_SPLL_FUNC_CNTL_3);
1187 	ni_pi->clock_registers.cg_spll_func_cntl_4 = RREG32(CG_SPLL_FUNC_CNTL_4);
1188 	ni_pi->clock_registers.cg_spll_spread_spectrum = RREG32(CG_SPLL_SPREAD_SPECTRUM);
1189 	ni_pi->clock_registers.cg_spll_spread_spectrum_2 = RREG32(CG_SPLL_SPREAD_SPECTRUM_2);
1190 	ni_pi->clock_registers.mpll_ad_func_cntl = RREG32(MPLL_AD_FUNC_CNTL);
1191 	ni_pi->clock_registers.mpll_ad_func_cntl_2 = RREG32(MPLL_AD_FUNC_CNTL_2);
1192 	ni_pi->clock_registers.mpll_dq_func_cntl = RREG32(MPLL_DQ_FUNC_CNTL);
1193 	ni_pi->clock_registers.mpll_dq_func_cntl_2 = RREG32(MPLL_DQ_FUNC_CNTL_2);
1194 	ni_pi->clock_registers.mclk_pwrmgt_cntl = RREG32(MCLK_PWRMGT_CNTL);
1195 	ni_pi->clock_registers.dll_cntl = RREG32(DLL_CNTL);
1196 	ni_pi->clock_registers.mpll_ss1 = RREG32(MPLL_SS1);
1197 	ni_pi->clock_registers.mpll_ss2 = RREG32(MPLL_SS2);
1198 }
1199 
1200 #if 0
1201 static int ni_enter_ulp_state(struct radeon_device *rdev)
1202 {
1203 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1204 
1205 	if (pi->gfx_clock_gating) {
1206 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
1207 		WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
1208 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
1209 		RREG32(GB_ADDR_CONFIG);
1210 	}
1211 
1212 	WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower),
1213 		 ~HOST_SMC_MSG_MASK);
1214 
1215 	udelay(25000);
1216 
1217 	return 0;
1218 }
1219 #endif
1220 
1221 static void ni_program_response_times(struct radeon_device *rdev)
1222 {
1223 	u32 voltage_response_time, backbias_response_time, acpi_delay_time, vbi_time_out;
1224 	u32 vddc_dly, bb_dly, acpi_dly, vbi_dly, mclk_switch_limit;
1225 	u32 reference_clock;
1226 
1227 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mvdd_chg_time, 1);
1228 
1229 	voltage_response_time = (u32)rdev->pm.dpm.voltage_response_time;
1230 	backbias_response_time = (u32)rdev->pm.dpm.backbias_response_time;
1231 
1232 	if (voltage_response_time == 0)
1233 		voltage_response_time = 1000;
1234 
1235 	if (backbias_response_time == 0)
1236 		backbias_response_time = 1000;
1237 
1238 	acpi_delay_time = 15000;
1239 	vbi_time_out = 100000;
1240 
1241 	reference_clock = radeon_get_xclk(rdev);
1242 
1243 	vddc_dly = (voltage_response_time  * reference_clock) / 1600;
1244 	bb_dly   = (backbias_response_time * reference_clock) / 1600;
1245 	acpi_dly = (acpi_delay_time * reference_clock) / 1600;
1246 	vbi_dly  = (vbi_time_out * reference_clock) / 1600;
1247 
1248 	mclk_switch_limit = (460 * reference_clock) / 100;
1249 
1250 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_vreg,  vddc_dly);
1251 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_bbias, bb_dly);
1252 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_acpi,  acpi_dly);
1253 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_chg_timeout, vbi_dly);
1254 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mc_block_delay, 0xAA);
1255 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_switch_lim, mclk_switch_limit);
1256 }
1257 
1258 static void ni_populate_smc_voltage_table(struct radeon_device *rdev,
1259 					  struct atom_voltage_table *voltage_table,
1260 					  NISLANDS_SMC_STATETABLE *table)
1261 {
1262 	unsigned int i;
1263 
1264 	for (i = 0; i < voltage_table->count; i++) {
1265 		table->highSMIO[i] = 0;
1266 		table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low);
1267 	}
1268 }
1269 
1270 static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
1271 					   NISLANDS_SMC_STATETABLE *table)
1272 {
1273 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1274 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1275 	unsigned char i;
1276 
1277 	if (eg_pi->vddc_voltage_table.count) {
1278 		ni_populate_smc_voltage_table(rdev, &eg_pi->vddc_voltage_table, table);
1279 		table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] = 0;
1280 		table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] =
1281 			cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
1282 
1283 		for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) {
1284 			if (pi->max_vddc_in_table <= eg_pi->vddc_voltage_table.entries[i].value) {
1285 				table->maxVDDCIndexInPPTable = i;
1286 				break;
1287 			}
1288 		}
1289 	}
1290 
1291 	if (eg_pi->vddci_voltage_table.count) {
1292 		ni_populate_smc_voltage_table(rdev, &eg_pi->vddci_voltage_table, table);
1293 
1294 		table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
1295 		table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
1296 			cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
1297 	}
1298 }
1299 
1300 static int ni_populate_voltage_value(struct radeon_device *rdev,
1301 				     struct atom_voltage_table *table,
1302 				     u16 value,
1303 				     NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1304 {
1305 	unsigned int i;
1306 
1307 	for (i = 0; i < table->count; i++) {
1308 		if (value <= table->entries[i].value) {
1309 			voltage->index = (u8)i;
1310 			voltage->value = cpu_to_be16(table->entries[i].value);
1311 			break;
1312 		}
1313 	}
1314 
1315 	if (i >= table->count)
1316 		return -EINVAL;
1317 
1318 	return 0;
1319 }
1320 
1321 static void ni_populate_mvdd_value(struct radeon_device *rdev,
1322 				   u32 mclk,
1323 				   NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1324 {
1325 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1326 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1327 
1328 	if (!pi->mvdd_control) {
1329 		voltage->index = eg_pi->mvdd_high_index;
1330 		voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1331 		return;
1332 	}
1333 
1334 	if (mclk <= pi->mvdd_split_frequency) {
1335 		voltage->index = eg_pi->mvdd_low_index;
1336 		voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
1337 	} else {
1338 		voltage->index = eg_pi->mvdd_high_index;
1339 		voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1340 	}
1341 }
1342 
1343 static int ni_get_std_voltage_value(struct radeon_device *rdev,
1344 				    NISLANDS_SMC_VOLTAGE_VALUE *voltage,
1345 				    u16 *std_voltage)
1346 {
1347 	if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries &&
1348 	    ((u32)voltage->index < rdev->pm.dpm.dyn_state.cac_leakage_table.count))
1349 		*std_voltage = rdev->pm.dpm.dyn_state.cac_leakage_table.entries[voltage->index].vddc;
1350 	else
1351 		*std_voltage = be16_to_cpu(voltage->value);
1352 
1353 	return 0;
1354 }
1355 
1356 static void ni_populate_std_voltage_value(struct radeon_device *rdev,
1357 					  u16 value, u8 index,
1358 					  NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1359 {
1360 	voltage->index = index;
1361 	voltage->value = cpu_to_be16(value);
1362 }
1363 
1364 static u32 ni_get_smc_power_scaling_factor(struct radeon_device *rdev)
1365 {
1366 	u32 xclk_period;
1367 	u32 xclk = radeon_get_xclk(rdev);
1368 	u32 tmp = RREG32(CG_CAC_CTRL) & TID_CNT_MASK;
1369 
1370 	xclk_period = (1000000000UL / xclk);
1371 	xclk_period /= 10000UL;
1372 
1373 	return tmp * xclk_period;
1374 }
1375 
1376 static u32 ni_scale_power_for_smc(u32 power_in_watts, u32 scaling_factor)
1377 {
1378 	return (power_in_watts * scaling_factor) << 2;
1379 }
1380 
1381 static u32 ni_calculate_power_boost_limit(struct radeon_device *rdev,
1382 					  struct radeon_ps *radeon_state,
1383 					  u32 near_tdp_limit)
1384 {
1385 	struct ni_ps *state = ni_get_ps(radeon_state);
1386 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1387 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1388 	u32 power_boost_limit = 0;
1389 	int ret;
1390 
1391 	if (ni_pi->enable_power_containment &&
1392 	    ni_pi->use_power_boost_limit) {
1393 		NISLANDS_SMC_VOLTAGE_VALUE vddc;
1394 		u16 std_vddc_med;
1395 		u16 std_vddc_high;
1396 		u64 tmp, n, d;
1397 
1398 		if (state->performance_level_count < 3)
1399 			return 0;
1400 
1401 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1402 						state->performance_levels[state->performance_level_count - 2].vddc,
1403 						&vddc);
1404 		if (ret)
1405 			return 0;
1406 
1407 		ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_med);
1408 		if (ret)
1409 			return 0;
1410 
1411 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1412 						state->performance_levels[state->performance_level_count - 1].vddc,
1413 						&vddc);
1414 		if (ret)
1415 			return 0;
1416 
1417 		ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_high);
1418 		if (ret)
1419 			return 0;
1420 
1421 		n = ((u64)near_tdp_limit * ((u64)std_vddc_med * (u64)std_vddc_med) * 90);
1422 		d = ((u64)std_vddc_high * (u64)std_vddc_high * 100);
1423 		tmp = div64_u64(n, d);
1424 
1425 		if (tmp >> 32)
1426 			return 0;
1427 		power_boost_limit = (u32)tmp;
1428 	}
1429 
1430 	return power_boost_limit;
1431 }
1432 
1433 static int ni_calculate_adjusted_tdp_limits(struct radeon_device *rdev,
1434 					    bool adjust_polarity,
1435 					    u32 tdp_adjustment,
1436 					    u32 *tdp_limit,
1437 					    u32 *near_tdp_limit)
1438 {
1439 	if (tdp_adjustment > (u32)rdev->pm.dpm.tdp_od_limit)
1440 		return -EINVAL;
1441 
1442 	if (adjust_polarity) {
1443 		*tdp_limit = ((100 + tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1444 		*near_tdp_limit = rdev->pm.dpm.near_tdp_limit + (*tdp_limit - rdev->pm.dpm.tdp_limit);
1445 	} else {
1446 		*tdp_limit = ((100 - tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1447 		*near_tdp_limit = rdev->pm.dpm.near_tdp_limit - (rdev->pm.dpm.tdp_limit - *tdp_limit);
1448 	}
1449 
1450 	return 0;
1451 }
1452 
1453 static int ni_populate_smc_tdp_limits(struct radeon_device *rdev,
1454 				      struct radeon_ps *radeon_state)
1455 {
1456 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1457 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1458 
1459 	if (ni_pi->enable_power_containment) {
1460 		NISLANDS_SMC_STATETABLE *smc_table = &ni_pi->smc_statetable;
1461 		u32 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
1462 		u32 tdp_limit;
1463 		u32 near_tdp_limit;
1464 		u32 power_boost_limit;
1465 		int ret;
1466 
1467 		if (scaling_factor == 0)
1468 			return -EINVAL;
1469 
1470 		memset(smc_table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1471 
1472 		ret = ni_calculate_adjusted_tdp_limits(rdev,
1473 						       false, /* ??? */
1474 						       rdev->pm.dpm.tdp_adjustment,
1475 						       &tdp_limit,
1476 						       &near_tdp_limit);
1477 		if (ret)
1478 			return ret;
1479 
1480 		power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state,
1481 								   near_tdp_limit);
1482 
1483 		smc_table->dpm2Params.TDPLimit =
1484 			cpu_to_be32(ni_scale_power_for_smc(tdp_limit, scaling_factor));
1485 		smc_table->dpm2Params.NearTDPLimit =
1486 			cpu_to_be32(ni_scale_power_for_smc(near_tdp_limit, scaling_factor));
1487 		smc_table->dpm2Params.SafePowerLimit =
1488 			cpu_to_be32(ni_scale_power_for_smc((near_tdp_limit * NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT) / 100,
1489 							   scaling_factor));
1490 		smc_table->dpm2Params.PowerBoostLimit =
1491 			cpu_to_be32(ni_scale_power_for_smc(power_boost_limit, scaling_factor));
1492 
1493 		ret = rv770_copy_bytes_to_smc(rdev,
1494 					      (u16)(pi->state_table_start + offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
1495 						    offsetof(PP_NIslands_DPM2Parameters, TDPLimit)),
1496 					      (u8 *)(&smc_table->dpm2Params.TDPLimit),
1497 					      sizeof(u32) * 4, pi->sram_end);
1498 		if (ret)
1499 			return ret;
1500 	}
1501 
1502 	return 0;
1503 }
1504 
1505 int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
1506 				u32 arb_freq_src, u32 arb_freq_dest)
1507 {
1508 	u32 mc_arb_dram_timing;
1509 	u32 mc_arb_dram_timing2;
1510 	u32 burst_time;
1511 	u32 mc_cg_config;
1512 
1513 	switch (arb_freq_src) {
1514 	case MC_CG_ARB_FREQ_F0:
1515 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING);
1516 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1517 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE0_MASK) >> STATE0_SHIFT;
1518 		break;
1519 	case MC_CG_ARB_FREQ_F1:
1520 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_1);
1521 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_1);
1522 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE1_MASK) >> STATE1_SHIFT;
1523 		break;
1524 	case MC_CG_ARB_FREQ_F2:
1525 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_2);
1526 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_2);
1527 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE2_MASK) >> STATE2_SHIFT;
1528 		break;
1529 	case MC_CG_ARB_FREQ_F3:
1530 		mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_3);
1531 		mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_3);
1532 		burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE3_MASK) >> STATE3_SHIFT;
1533 		break;
1534 	default:
1535 		return -EINVAL;
1536 	}
1537 
1538 	switch (arb_freq_dest) {
1539 	case MC_CG_ARB_FREQ_F0:
1540 		WREG32(MC_ARB_DRAM_TIMING, mc_arb_dram_timing);
1541 		WREG32(MC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
1542 		WREG32_P(MC_ARB_BURST_TIME, STATE0(burst_time), ~STATE0_MASK);
1543 		break;
1544 	case MC_CG_ARB_FREQ_F1:
1545 		WREG32(MC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
1546 		WREG32(MC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
1547 		WREG32_P(MC_ARB_BURST_TIME, STATE1(burst_time), ~STATE1_MASK);
1548 		break;
1549 	case MC_CG_ARB_FREQ_F2:
1550 		WREG32(MC_ARB_DRAM_TIMING_2, mc_arb_dram_timing);
1551 		WREG32(MC_ARB_DRAM_TIMING2_2, mc_arb_dram_timing2);
1552 		WREG32_P(MC_ARB_BURST_TIME, STATE2(burst_time), ~STATE2_MASK);
1553 		break;
1554 	case MC_CG_ARB_FREQ_F3:
1555 		WREG32(MC_ARB_DRAM_TIMING_3, mc_arb_dram_timing);
1556 		WREG32(MC_ARB_DRAM_TIMING2_3, mc_arb_dram_timing2);
1557 		WREG32_P(MC_ARB_BURST_TIME, STATE3(burst_time), ~STATE3_MASK);
1558 		break;
1559 	default:
1560 		return -EINVAL;
1561 	}
1562 
1563 	mc_cg_config = RREG32(MC_CG_CONFIG) | 0x0000000F;
1564 	WREG32(MC_CG_CONFIG, mc_cg_config);
1565 	WREG32_P(MC_ARB_CG, CG_ARB_REQ(arb_freq_dest), ~CG_ARB_REQ_MASK);
1566 
1567 	return 0;
1568 }
1569 
1570 static int ni_init_arb_table_index(struct radeon_device *rdev)
1571 {
1572 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1573 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1574 	u32 tmp;
1575 	int ret;
1576 
1577 	ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1578 					&tmp, pi->sram_end);
1579 	if (ret)
1580 		return ret;
1581 
1582 	tmp &= 0x00FFFFFF;
1583 	tmp |= ((u32)MC_CG_ARB_FREQ_F1) << 24;
1584 
1585 	return rv770_write_smc_sram_dword(rdev, ni_pi->arb_table_start,
1586 					  tmp, pi->sram_end);
1587 }
1588 
1589 static int ni_initial_switch_from_arb_f0_to_f1(struct radeon_device *rdev)
1590 {
1591 	return ni_copy_and_switch_arb_sets(rdev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
1592 }
1593 
1594 static int ni_force_switch_to_arb_f0(struct radeon_device *rdev)
1595 {
1596 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1597 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1598 	u32 tmp;
1599 	int ret;
1600 
1601 	ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1602 					&tmp, pi->sram_end);
1603 	if (ret)
1604 		return ret;
1605 
1606 	tmp = (tmp >> 24) & 0xff;
1607 
1608 	if (tmp == MC_CG_ARB_FREQ_F0)
1609 		return 0;
1610 
1611 	return ni_copy_and_switch_arb_sets(rdev, tmp, MC_CG_ARB_FREQ_F0);
1612 }
1613 
1614 static int ni_populate_memory_timing_parameters(struct radeon_device *rdev,
1615 						struct rv7xx_pl *pl,
1616 						SMC_NIslands_MCArbDramTimingRegisterSet *arb_regs)
1617 {
1618 	u32 dram_timing;
1619 	u32 dram_timing2;
1620 
1621 	arb_regs->mc_arb_rfsh_rate =
1622 		(u8)rv770_calculate_memory_refresh_rate(rdev, pl->sclk);
1623 
1624 
1625 	radeon_atom_set_engine_dram_timings(rdev, pl->sclk, pl->mclk);
1626 
1627 	dram_timing = RREG32(MC_ARB_DRAM_TIMING);
1628 	dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1629 
1630 	arb_regs->mc_arb_dram_timing  = cpu_to_be32(dram_timing);
1631 	arb_regs->mc_arb_dram_timing2 = cpu_to_be32(dram_timing2);
1632 
1633 	return 0;
1634 }
1635 
1636 static int ni_do_program_memory_timing_parameters(struct radeon_device *rdev,
1637 						  struct radeon_ps *radeon_state,
1638 						  unsigned int first_arb_set)
1639 {
1640 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1641 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1642 	struct ni_ps *state = ni_get_ps(radeon_state);
1643 	SMC_NIslands_MCArbDramTimingRegisterSet arb_regs = { 0 };
1644 	int i, ret = 0;
1645 
1646 	for (i = 0; i < state->performance_level_count; i++) {
1647 		ret = ni_populate_memory_timing_parameters(rdev, &state->performance_levels[i], &arb_regs);
1648 		if (ret)
1649 			break;
1650 
1651 		ret = rv770_copy_bytes_to_smc(rdev,
1652 					      (u16)(ni_pi->arb_table_start +
1653 						    offsetof(SMC_NIslands_MCArbDramTimingRegisters, data) +
1654 						    sizeof(SMC_NIslands_MCArbDramTimingRegisterSet) * (first_arb_set + i)),
1655 					      (u8 *)&arb_regs,
1656 					      (u16)sizeof(SMC_NIslands_MCArbDramTimingRegisterSet),
1657 					      pi->sram_end);
1658 		if (ret)
1659 			break;
1660 	}
1661 	return ret;
1662 }
1663 
1664 static int ni_program_memory_timing_parameters(struct radeon_device *rdev,
1665 					       struct radeon_ps *radeon_new_state)
1666 {
1667 	return ni_do_program_memory_timing_parameters(rdev, radeon_new_state,
1668 						      NISLANDS_DRIVER_STATE_ARB_INDEX);
1669 }
1670 
1671 static void ni_populate_initial_mvdd_value(struct radeon_device *rdev,
1672 					   struct NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1673 {
1674 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1675 
1676 	voltage->index = eg_pi->mvdd_high_index;
1677 	voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1678 }
1679 
1680 static int ni_populate_smc_initial_state(struct radeon_device *rdev,
1681 					 struct radeon_ps *radeon_initial_state,
1682 					 NISLANDS_SMC_STATETABLE *table)
1683 {
1684 	struct ni_ps *initial_state = ni_get_ps(radeon_initial_state);
1685 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1686 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1687 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1688 	u32 reg;
1689 	int ret;
1690 
1691 	table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL =
1692 		cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
1693 	table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 =
1694 		cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl_2);
1695 	table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL =
1696 		cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl);
1697 	table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 =
1698 		cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl_2);
1699 	table->initialState.levels[0].mclk.vMCLK_PWRMGT_CNTL =
1700 		cpu_to_be32(ni_pi->clock_registers.mclk_pwrmgt_cntl);
1701 	table->initialState.levels[0].mclk.vDLL_CNTL =
1702 		cpu_to_be32(ni_pi->clock_registers.dll_cntl);
1703 	table->initialState.levels[0].mclk.vMPLL_SS =
1704 		cpu_to_be32(ni_pi->clock_registers.mpll_ss1);
1705 	table->initialState.levels[0].mclk.vMPLL_SS2 =
1706 		cpu_to_be32(ni_pi->clock_registers.mpll_ss2);
1707 	table->initialState.levels[0].mclk.mclk_value =
1708 		cpu_to_be32(initial_state->performance_levels[0].mclk);
1709 
1710 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL =
1711 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl);
1712 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 =
1713 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_2);
1714 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 =
1715 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_3);
1716 	table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 =
1717 		cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_4);
1718 	table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM =
1719 		cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum);
1720 	table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
1721 		cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum_2);
1722 	table->initialState.levels[0].sclk.sclk_value =
1723 		cpu_to_be32(initial_state->performance_levels[0].sclk);
1724 	table->initialState.levels[0].arbRefreshState =
1725 		NISLANDS_INITIAL_STATE_ARB_INDEX;
1726 
1727 	table->initialState.levels[0].ACIndex = 0;
1728 
1729 	ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1730 					initial_state->performance_levels[0].vddc,
1731 					&table->initialState.levels[0].vddc);
1732 	if (!ret) {
1733 		u16 std_vddc;
1734 
1735 		ret = ni_get_std_voltage_value(rdev,
1736 					       &table->initialState.levels[0].vddc,
1737 					       &std_vddc);
1738 		if (!ret)
1739 			ni_populate_std_voltage_value(rdev, std_vddc,
1740 						      table->initialState.levels[0].vddc.index,
1741 						      &table->initialState.levels[0].std_vddc);
1742 	}
1743 
1744 	if (eg_pi->vddci_control)
1745 		ni_populate_voltage_value(rdev,
1746 					  &eg_pi->vddci_voltage_table,
1747 					  initial_state->performance_levels[0].vddci,
1748 					  &table->initialState.levels[0].vddci);
1749 
1750 	ni_populate_initial_mvdd_value(rdev, &table->initialState.levels[0].mvdd);
1751 
1752 	reg = CG_R(0xffff) | CG_L(0);
1753 	table->initialState.levels[0].aT = cpu_to_be32(reg);
1754 
1755 	table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp);
1756 
1757 	if (pi->boot_in_gen2)
1758 		table->initialState.levels[0].gen2PCIE = 1;
1759 	else
1760 		table->initialState.levels[0].gen2PCIE = 0;
1761 
1762 	if (pi->mem_gddr5) {
1763 		table->initialState.levels[0].strobeMode =
1764 			cypress_get_strobe_mode_settings(rdev,
1765 							 initial_state->performance_levels[0].mclk);
1766 
1767 		if (initial_state->performance_levels[0].mclk > pi->mclk_edc_enable_threshold)
1768 			table->initialState.levels[0].mcFlags = NISLANDS_SMC_MC_EDC_RD_FLAG | NISLANDS_SMC_MC_EDC_WR_FLAG;
1769 		else
1770 			table->initialState.levels[0].mcFlags =  0;
1771 	}
1772 
1773 	table->initialState.levelCount = 1;
1774 
1775 	table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC;
1776 
1777 	table->initialState.levels[0].dpm2.MaxPS = 0;
1778 	table->initialState.levels[0].dpm2.NearTDPDec = 0;
1779 	table->initialState.levels[0].dpm2.AboveSafeInc = 0;
1780 	table->initialState.levels[0].dpm2.BelowSafeInc = 0;
1781 
1782 	reg = MIN_POWER_MASK | MAX_POWER_MASK;
1783 	table->initialState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1784 
1785 	reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1786 	table->initialState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1787 
1788 	return 0;
1789 }
1790 
1791 static int ni_populate_smc_acpi_state(struct radeon_device *rdev,
1792 				      NISLANDS_SMC_STATETABLE *table)
1793 {
1794 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1795 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1796 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1797 	u32 mpll_ad_func_cntl   = ni_pi->clock_registers.mpll_ad_func_cntl;
1798 	u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
1799 	u32 mpll_dq_func_cntl   = ni_pi->clock_registers.mpll_dq_func_cntl;
1800 	u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
1801 	u32 spll_func_cntl      = ni_pi->clock_registers.cg_spll_func_cntl;
1802 	u32 spll_func_cntl_2    = ni_pi->clock_registers.cg_spll_func_cntl_2;
1803 	u32 spll_func_cntl_3    = ni_pi->clock_registers.cg_spll_func_cntl_3;
1804 	u32 spll_func_cntl_4    = ni_pi->clock_registers.cg_spll_func_cntl_4;
1805 	u32 mclk_pwrmgt_cntl    = ni_pi->clock_registers.mclk_pwrmgt_cntl;
1806 	u32 dll_cntl            = ni_pi->clock_registers.dll_cntl;
1807 	u32 reg;
1808 	int ret;
1809 
1810 	table->ACPIState = table->initialState;
1811 
1812 	table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC;
1813 
1814 	if (pi->acpi_vddc) {
1815 		ret = ni_populate_voltage_value(rdev,
1816 						&eg_pi->vddc_voltage_table,
1817 						pi->acpi_vddc, &table->ACPIState.levels[0].vddc);
1818 		if (!ret) {
1819 			u16 std_vddc;
1820 
1821 			ret = ni_get_std_voltage_value(rdev,
1822 						       &table->ACPIState.levels[0].vddc, &std_vddc);
1823 			if (!ret)
1824 				ni_populate_std_voltage_value(rdev, std_vddc,
1825 							      table->ACPIState.levels[0].vddc.index,
1826 							      &table->ACPIState.levels[0].std_vddc);
1827 		}
1828 
1829 		if (pi->pcie_gen2) {
1830 			if (pi->acpi_pcie_gen2)
1831 				table->ACPIState.levels[0].gen2PCIE = 1;
1832 			else
1833 				table->ACPIState.levels[0].gen2PCIE = 0;
1834 		} else {
1835 			table->ACPIState.levels[0].gen2PCIE = 0;
1836 		}
1837 	} else {
1838 		ret = ni_populate_voltage_value(rdev,
1839 						&eg_pi->vddc_voltage_table,
1840 						pi->min_vddc_in_table,
1841 						&table->ACPIState.levels[0].vddc);
1842 		if (!ret) {
1843 			u16 std_vddc;
1844 
1845 			ret = ni_get_std_voltage_value(rdev,
1846 						       &table->ACPIState.levels[0].vddc,
1847 						       &std_vddc);
1848 			if (!ret)
1849 				ni_populate_std_voltage_value(rdev, std_vddc,
1850 							      table->ACPIState.levels[0].vddc.index,
1851 							      &table->ACPIState.levels[0].std_vddc);
1852 		}
1853 		table->ACPIState.levels[0].gen2PCIE = 0;
1854 	}
1855 
1856 	if (eg_pi->acpi_vddci) {
1857 		if (eg_pi->vddci_control)
1858 			ni_populate_voltage_value(rdev,
1859 						  &eg_pi->vddci_voltage_table,
1860 						  eg_pi->acpi_vddci,
1861 						  &table->ACPIState.levels[0].vddci);
1862 	}
1863 
1864 
1865 	mpll_ad_func_cntl &= ~PDNB;
1866 
1867 	mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
1868 
1869 	if (pi->mem_gddr5)
1870 		mpll_dq_func_cntl &= ~PDNB;
1871 	mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS;
1872 
1873 
1874 	mclk_pwrmgt_cntl |= (MRDCKA0_RESET |
1875 			     MRDCKA1_RESET |
1876 			     MRDCKB0_RESET |
1877 			     MRDCKB1_RESET |
1878 			     MRDCKC0_RESET |
1879 			     MRDCKC1_RESET |
1880 			     MRDCKD0_RESET |
1881 			     MRDCKD1_RESET);
1882 
1883 	mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
1884 			      MRDCKA1_PDNB |
1885 			      MRDCKB0_PDNB |
1886 			      MRDCKB1_PDNB |
1887 			      MRDCKC0_PDNB |
1888 			      MRDCKC1_PDNB |
1889 			      MRDCKD0_PDNB |
1890 			      MRDCKD1_PDNB);
1891 
1892 	dll_cntl |= (MRDCKA0_BYPASS |
1893 		     MRDCKA1_BYPASS |
1894 		     MRDCKB0_BYPASS |
1895 		     MRDCKB1_BYPASS |
1896 		     MRDCKC0_BYPASS |
1897 		     MRDCKC1_BYPASS |
1898 		     MRDCKD0_BYPASS |
1899 		     MRDCKD1_BYPASS);
1900 
1901 	spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
1902 	spll_func_cntl_2 |= SCLK_MUX_SEL(4);
1903 
1904 	table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
1905 	table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
1906 	table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
1907 	table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
1908 	table->ACPIState.levels[0].mclk.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
1909 	table->ACPIState.levels[0].mclk.vDLL_CNTL = cpu_to_be32(dll_cntl);
1910 
1911 	table->ACPIState.levels[0].mclk.mclk_value = 0;
1912 
1913 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
1914 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
1915 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
1916 	table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(spll_func_cntl_4);
1917 
1918 	table->ACPIState.levels[0].sclk.sclk_value = 0;
1919 
1920 	ni_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd);
1921 
1922 	if (eg_pi->dynamic_ac_timing)
1923 		table->ACPIState.levels[0].ACIndex = 1;
1924 
1925 	table->ACPIState.levels[0].dpm2.MaxPS = 0;
1926 	table->ACPIState.levels[0].dpm2.NearTDPDec = 0;
1927 	table->ACPIState.levels[0].dpm2.AboveSafeInc = 0;
1928 	table->ACPIState.levels[0].dpm2.BelowSafeInc = 0;
1929 
1930 	reg = MIN_POWER_MASK | MAX_POWER_MASK;
1931 	table->ACPIState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1932 
1933 	reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1934 	table->ACPIState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1935 
1936 	return 0;
1937 }
1938 
1939 static int ni_init_smc_table(struct radeon_device *rdev)
1940 {
1941 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1942 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
1943 	int ret;
1944 	struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
1945 	NISLANDS_SMC_STATETABLE *table = &ni_pi->smc_statetable;
1946 
1947 	memset(table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1948 
1949 	ni_populate_smc_voltage_tables(rdev, table);
1950 
1951 	switch (rdev->pm.int_thermal_type) {
1952 	case THERMAL_TYPE_NI:
1953 	case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
1954 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
1955 		break;
1956 	case THERMAL_TYPE_NONE:
1957 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
1958 		break;
1959 	default:
1960 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
1961 		break;
1962 	}
1963 
1964 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
1965 		table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
1966 
1967 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1968 		table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT;
1969 
1970 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1971 		table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
1972 
1973 	if (pi->mem_gddr5)
1974 		table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
1975 
1976 	ret = ni_populate_smc_initial_state(rdev, radeon_boot_state, table);
1977 	if (ret)
1978 		return ret;
1979 
1980 	ret = ni_populate_smc_acpi_state(rdev, table);
1981 	if (ret)
1982 		return ret;
1983 
1984 	table->driverState = table->initialState;
1985 
1986 	table->ULVState = table->initialState;
1987 
1988 	ret = ni_do_program_memory_timing_parameters(rdev, radeon_boot_state,
1989 						     NISLANDS_INITIAL_STATE_ARB_INDEX);
1990 	if (ret)
1991 		return ret;
1992 
1993 	return rv770_copy_bytes_to_smc(rdev, pi->state_table_start, (u8 *)table,
1994 				       sizeof(NISLANDS_SMC_STATETABLE), pi->sram_end);
1995 }
1996 
1997 static int ni_calculate_sclk_params(struct radeon_device *rdev,
1998 				    u32 engine_clock,
1999 				    NISLANDS_SMC_SCLK_VALUE *sclk)
2000 {
2001 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2002 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2003 	struct atom_clock_dividers dividers;
2004 	u32 spll_func_cntl = ni_pi->clock_registers.cg_spll_func_cntl;
2005 	u32 spll_func_cntl_2 = ni_pi->clock_registers.cg_spll_func_cntl_2;
2006 	u32 spll_func_cntl_3 = ni_pi->clock_registers.cg_spll_func_cntl_3;
2007 	u32 spll_func_cntl_4 = ni_pi->clock_registers.cg_spll_func_cntl_4;
2008 	u32 cg_spll_spread_spectrum = ni_pi->clock_registers.cg_spll_spread_spectrum;
2009 	u32 cg_spll_spread_spectrum_2 = ni_pi->clock_registers.cg_spll_spread_spectrum_2;
2010 	u64 tmp;
2011 	u32 reference_clock = rdev->clock.spll.reference_freq;
2012 	u32 reference_divider;
2013 	u32 fbdiv;
2014 	int ret;
2015 
2016 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2017 					     engine_clock, false, &dividers);
2018 	if (ret)
2019 		return ret;
2020 
2021 	reference_divider = 1 + dividers.ref_div;
2022 
2023 
2024 	tmp = (u64) engine_clock * reference_divider * dividers.post_div * 16834;
2025 	do_div(tmp, reference_clock);
2026 	fbdiv = (u32) tmp;
2027 
2028 	spll_func_cntl &= ~(SPLL_PDIV_A_MASK | SPLL_REF_DIV_MASK);
2029 	spll_func_cntl |= SPLL_REF_DIV(dividers.ref_div);
2030 	spll_func_cntl |= SPLL_PDIV_A(dividers.post_div);
2031 
2032 	spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
2033 	spll_func_cntl_2 |= SCLK_MUX_SEL(2);
2034 
2035 	spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
2036 	spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
2037 	spll_func_cntl_3 |= SPLL_DITHEN;
2038 
2039 	if (pi->sclk_ss) {
2040 		struct radeon_atom_ss ss;
2041 		u32 vco_freq = engine_clock * dividers.post_div;
2042 
2043 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2044 						     ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
2045 			u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
2046 			u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000);
2047 
2048 			cg_spll_spread_spectrum &= ~CLK_S_MASK;
2049 			cg_spll_spread_spectrum |= CLK_S(clk_s);
2050 			cg_spll_spread_spectrum |= SSEN;
2051 
2052 			cg_spll_spread_spectrum_2 &= ~CLK_V_MASK;
2053 			cg_spll_spread_spectrum_2 |= CLK_V(clk_v);
2054 		}
2055 	}
2056 
2057 	sclk->sclk_value = engine_clock;
2058 	sclk->vCG_SPLL_FUNC_CNTL = spll_func_cntl;
2059 	sclk->vCG_SPLL_FUNC_CNTL_2 = spll_func_cntl_2;
2060 	sclk->vCG_SPLL_FUNC_CNTL_3 = spll_func_cntl_3;
2061 	sclk->vCG_SPLL_FUNC_CNTL_4 = spll_func_cntl_4;
2062 	sclk->vCG_SPLL_SPREAD_SPECTRUM = cg_spll_spread_spectrum;
2063 	sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cg_spll_spread_spectrum_2;
2064 
2065 	return 0;
2066 }
2067 
2068 static int ni_populate_sclk_value(struct radeon_device *rdev,
2069 				  u32 engine_clock,
2070 				  NISLANDS_SMC_SCLK_VALUE *sclk)
2071 {
2072 	NISLANDS_SMC_SCLK_VALUE sclk_tmp;
2073 	int ret;
2074 
2075 	ret = ni_calculate_sclk_params(rdev, engine_clock, &sclk_tmp);
2076 	if (!ret) {
2077 		sclk->sclk_value = cpu_to_be32(sclk_tmp.sclk_value);
2078 		sclk->vCG_SPLL_FUNC_CNTL = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL);
2079 		sclk->vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_2);
2080 		sclk->vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_3);
2081 		sclk->vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_4);
2082 		sclk->vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM);
2083 		sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM_2);
2084 	}
2085 
2086 	return ret;
2087 }
2088 
2089 static int ni_init_smc_spll_table(struct radeon_device *rdev)
2090 {
2091 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2092 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2093 	SMC_NISLANDS_SPLL_DIV_TABLE *spll_table;
2094 	NISLANDS_SMC_SCLK_VALUE sclk_params;
2095 	u32 fb_div;
2096 	u32 p_div;
2097 	u32 clk_s;
2098 	u32 clk_v;
2099 	u32 sclk = 0;
2100 	int i, ret;
2101 	u32 tmp;
2102 
2103 	if (ni_pi->spll_table_start == 0)
2104 		return -EINVAL;
2105 
2106 	spll_table = kzalloc(sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), GFP_KERNEL);
2107 	if (spll_table == NULL)
2108 		return -ENOMEM;
2109 
2110 	for (i = 0; i < 256; i++) {
2111 		ret = ni_calculate_sclk_params(rdev, sclk, &sclk_params);
2112 		if (ret)
2113 			break;
2114 
2115 		p_div = (sclk_params.vCG_SPLL_FUNC_CNTL & SPLL_PDIV_A_MASK) >> SPLL_PDIV_A_SHIFT;
2116 		fb_div = (sclk_params.vCG_SPLL_FUNC_CNTL_3 & SPLL_FB_DIV_MASK) >> SPLL_FB_DIV_SHIFT;
2117 		clk_s = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM & CLK_S_MASK) >> CLK_S_SHIFT;
2118 		clk_v = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM_2 & CLK_V_MASK) >> CLK_V_SHIFT;
2119 
2120 		fb_div &= ~0x00001FFF;
2121 		fb_div >>= 1;
2122 		clk_v >>= 6;
2123 
2124 		if (p_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT))
2125 			ret = -EINVAL;
2126 
2127 		if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2128 			ret = -EINVAL;
2129 
2130 		if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2131 			ret = -EINVAL;
2132 
2133 		if (clk_v & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT))
2134 			ret = -EINVAL;
2135 
2136 		if (ret)
2137 			break;
2138 
2139 		tmp = ((fb_div << SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK) |
2140 			((p_div << SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK);
2141 		spll_table->freq[i] = cpu_to_be32(tmp);
2142 
2143 		tmp = ((clk_v << SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK) |
2144 			((clk_s << SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK);
2145 		spll_table->ss[i] = cpu_to_be32(tmp);
2146 
2147 		sclk += 512;
2148 	}
2149 
2150 	if (!ret)
2151 		ret = rv770_copy_bytes_to_smc(rdev, ni_pi->spll_table_start, (u8 *)spll_table,
2152 					      sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), pi->sram_end);
2153 
2154 	kfree(spll_table);
2155 
2156 	return ret;
2157 }
2158 
2159 static int ni_populate_mclk_value(struct radeon_device *rdev,
2160 				  u32 engine_clock,
2161 				  u32 memory_clock,
2162 				  NISLANDS_SMC_MCLK_VALUE *mclk,
2163 				  bool strobe_mode,
2164 				  bool dll_state_on)
2165 {
2166 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2167 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2168 	u32 mpll_ad_func_cntl = ni_pi->clock_registers.mpll_ad_func_cntl;
2169 	u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
2170 	u32 mpll_dq_func_cntl = ni_pi->clock_registers.mpll_dq_func_cntl;
2171 	u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
2172 	u32 mclk_pwrmgt_cntl = ni_pi->clock_registers.mclk_pwrmgt_cntl;
2173 	u32 dll_cntl = ni_pi->clock_registers.dll_cntl;
2174 	u32 mpll_ss1 = ni_pi->clock_registers.mpll_ss1;
2175 	u32 mpll_ss2 = ni_pi->clock_registers.mpll_ss2;
2176 	struct atom_clock_dividers dividers;
2177 	u32 ibias;
2178 	u32 dll_speed;
2179 	int ret;
2180 	u32 mc_seq_misc7;
2181 
2182 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
2183 					     memory_clock, strobe_mode, &dividers);
2184 	if (ret)
2185 		return ret;
2186 
2187 	if (!strobe_mode) {
2188 		mc_seq_misc7 = RREG32(MC_SEQ_MISC7);
2189 
2190 		if (mc_seq_misc7 & 0x8000000)
2191 			dividers.post_div = 1;
2192 	}
2193 
2194 	ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div);
2195 
2196 	mpll_ad_func_cntl &= ~(CLKR_MASK |
2197 			       YCLK_POST_DIV_MASK |
2198 			       CLKF_MASK |
2199 			       CLKFRAC_MASK |
2200 			       IBIAS_MASK);
2201 	mpll_ad_func_cntl |= CLKR(dividers.ref_div);
2202 	mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2203 	mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div);
2204 	mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2205 	mpll_ad_func_cntl |= IBIAS(ibias);
2206 
2207 	if (dividers.vco_mode)
2208 		mpll_ad_func_cntl_2 |= VCO_MODE;
2209 	else
2210 		mpll_ad_func_cntl_2 &= ~VCO_MODE;
2211 
2212 	if (pi->mem_gddr5) {
2213 		mpll_dq_func_cntl &= ~(CLKR_MASK |
2214 				       YCLK_POST_DIV_MASK |
2215 				       CLKF_MASK |
2216 				       CLKFRAC_MASK |
2217 				       IBIAS_MASK);
2218 		mpll_dq_func_cntl |= CLKR(dividers.ref_div);
2219 		mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2220 		mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div);
2221 		mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2222 		mpll_dq_func_cntl |= IBIAS(ibias);
2223 
2224 		if (strobe_mode)
2225 			mpll_dq_func_cntl &= ~PDNB;
2226 		else
2227 			mpll_dq_func_cntl |= PDNB;
2228 
2229 		if (dividers.vco_mode)
2230 			mpll_dq_func_cntl_2 |= VCO_MODE;
2231 		else
2232 			mpll_dq_func_cntl_2 &= ~VCO_MODE;
2233 	}
2234 
2235 	if (pi->mclk_ss) {
2236 		struct radeon_atom_ss ss;
2237 		u32 vco_freq = memory_clock * dividers.post_div;
2238 
2239 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2240 						     ASIC_INTERNAL_MEMORY_SS, vco_freq)) {
2241 			u32 reference_clock = rdev->clock.mpll.reference_freq;
2242 			u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div);
2243 			u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate);
2244 			u32 clk_v = ss.percentage *
2245 				(0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625);
2246 
2247 			mpll_ss1 &= ~CLKV_MASK;
2248 			mpll_ss1 |= CLKV(clk_v);
2249 
2250 			mpll_ss2 &= ~CLKS_MASK;
2251 			mpll_ss2 |= CLKS(clk_s);
2252 		}
2253 	}
2254 
2255 	dll_speed = rv740_get_dll_speed(pi->mem_gddr5,
2256 					memory_clock);
2257 
2258 	mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK;
2259 	mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed);
2260 	if (dll_state_on)
2261 		mclk_pwrmgt_cntl |= (MRDCKA0_PDNB |
2262 				     MRDCKA1_PDNB |
2263 				     MRDCKB0_PDNB |
2264 				     MRDCKB1_PDNB |
2265 				     MRDCKC0_PDNB |
2266 				     MRDCKC1_PDNB |
2267 				     MRDCKD0_PDNB |
2268 				     MRDCKD1_PDNB);
2269 	else
2270 		mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
2271 				      MRDCKA1_PDNB |
2272 				      MRDCKB0_PDNB |
2273 				      MRDCKB1_PDNB |
2274 				      MRDCKC0_PDNB |
2275 				      MRDCKC1_PDNB |
2276 				      MRDCKD0_PDNB |
2277 				      MRDCKD1_PDNB);
2278 
2279 
2280 	mclk->mclk_value = cpu_to_be32(memory_clock);
2281 	mclk->vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
2282 	mclk->vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
2283 	mclk->vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
2284 	mclk->vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
2285 	mclk->vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
2286 	mclk->vDLL_CNTL = cpu_to_be32(dll_cntl);
2287 	mclk->vMPLL_SS = cpu_to_be32(mpll_ss1);
2288 	mclk->vMPLL_SS2 = cpu_to_be32(mpll_ss2);
2289 
2290 	return 0;
2291 }
2292 
2293 static void ni_populate_smc_sp(struct radeon_device *rdev,
2294 			       struct radeon_ps *radeon_state,
2295 			       NISLANDS_SMC_SWSTATE *smc_state)
2296 {
2297 	struct ni_ps *ps = ni_get_ps(radeon_state);
2298 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2299 	int i;
2300 
2301 	for (i = 0; i < ps->performance_level_count - 1; i++)
2302 		smc_state->levels[i].bSP = cpu_to_be32(pi->dsp);
2303 
2304 	smc_state->levels[ps->performance_level_count - 1].bSP =
2305 		cpu_to_be32(pi->psp);
2306 }
2307 
2308 static int ni_convert_power_level_to_smc(struct radeon_device *rdev,
2309 					 struct rv7xx_pl *pl,
2310 					 NISLANDS_SMC_HW_PERFORMANCE_LEVEL *level)
2311 {
2312 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2313 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2314 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2315 	int ret;
2316 	bool dll_state_on;
2317 	u16 std_vddc;
2318 	u32 tmp = RREG32(DC_STUTTER_CNTL);
2319 
2320 	level->gen2PCIE = pi->pcie_gen2 ?
2321 		((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0;
2322 
2323 	ret = ni_populate_sclk_value(rdev, pl->sclk, &level->sclk);
2324 	if (ret)
2325 		return ret;
2326 
2327 	level->mcFlags =  0;
2328 	if (pi->mclk_stutter_mode_threshold &&
2329 	    (pl->mclk <= pi->mclk_stutter_mode_threshold) &&
2330 	    !eg_pi->uvd_enabled &&
2331 	    (tmp & DC_STUTTER_ENABLE_A) &&
2332 	    (tmp & DC_STUTTER_ENABLE_B))
2333 		level->mcFlags |= NISLANDS_SMC_MC_STUTTER_EN;
2334 
2335 	if (pi->mem_gddr5) {
2336 		if (pl->mclk > pi->mclk_edc_enable_threshold)
2337 			level->mcFlags |= NISLANDS_SMC_MC_EDC_RD_FLAG;
2338 		if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold)
2339 			level->mcFlags |= NISLANDS_SMC_MC_EDC_WR_FLAG;
2340 
2341 		level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk);
2342 
2343 		if (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) {
2344 			if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >=
2345 			    ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf))
2346 				dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
2347 			else
2348 				dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false;
2349 		} else {
2350 			dll_state_on = false;
2351 			if (pl->mclk > ni_pi->mclk_rtt_mode_threshold)
2352 				level->mcFlags |= NISLANDS_SMC_MC_RTT_ENABLE;
2353 		}
2354 
2355 		ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk,
2356 					     &level->mclk,
2357 					     (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) != 0,
2358 					     dll_state_on);
2359 	} else
2360 		ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk, &level->mclk, 1, 1);
2361 
2362 	if (ret)
2363 		return ret;
2364 
2365 	ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
2366 					pl->vddc, &level->vddc);
2367 	if (ret)
2368 		return ret;
2369 
2370 	ret = ni_get_std_voltage_value(rdev, &level->vddc, &std_vddc);
2371 	if (ret)
2372 		return ret;
2373 
2374 	ni_populate_std_voltage_value(rdev, std_vddc,
2375 				      level->vddc.index, &level->std_vddc);
2376 
2377 	if (eg_pi->vddci_control) {
2378 		ret = ni_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table,
2379 						pl->vddci, &level->vddci);
2380 		if (ret)
2381 			return ret;
2382 	}
2383 
2384 	ni_populate_mvdd_value(rdev, pl->mclk, &level->mvdd);
2385 
2386 	return ret;
2387 }
2388 
2389 static int ni_populate_smc_t(struct radeon_device *rdev,
2390 			     struct radeon_ps *radeon_state,
2391 			     NISLANDS_SMC_SWSTATE *smc_state)
2392 {
2393 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2394 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2395 	struct ni_ps *state = ni_get_ps(radeon_state);
2396 	u32 a_t;
2397 	u32 t_l, t_h;
2398 	u32 high_bsp;
2399 	int i, ret;
2400 
2401 	if (state->performance_level_count >= 9)
2402 		return -EINVAL;
2403 
2404 	if (state->performance_level_count < 2) {
2405 		a_t = CG_R(0xffff) | CG_L(0);
2406 		smc_state->levels[0].aT = cpu_to_be32(a_t);
2407 		return 0;
2408 	}
2409 
2410 	smc_state->levels[0].aT = cpu_to_be32(0);
2411 
2412 	for (i = 0; i <= state->performance_level_count - 2; i++) {
2413 		if (eg_pi->uvd_enabled)
2414 			ret = r600_calculate_at(
2415 				1000 * (i * (eg_pi->smu_uvd_hs ? 2 : 8) + 2),
2416 				100 * R600_AH_DFLT,
2417 				state->performance_levels[i + 1].sclk,
2418 				state->performance_levels[i].sclk,
2419 				&t_l,
2420 				&t_h);
2421 		else
2422 			ret = r600_calculate_at(
2423 				1000 * (i + 1),
2424 				100 * R600_AH_DFLT,
2425 				state->performance_levels[i + 1].sclk,
2426 				state->performance_levels[i].sclk,
2427 				&t_l,
2428 				&t_h);
2429 
2430 		if (ret) {
2431 			t_h = (i + 1) * 1000 - 50 * R600_AH_DFLT;
2432 			t_l = (i + 1) * 1000 + 50 * R600_AH_DFLT;
2433 		}
2434 
2435 		a_t = be32_to_cpu(smc_state->levels[i].aT) & ~CG_R_MASK;
2436 		a_t |= CG_R(t_l * pi->bsp / 20000);
2437 		smc_state->levels[i].aT = cpu_to_be32(a_t);
2438 
2439 		high_bsp = (i == state->performance_level_count - 2) ?
2440 			pi->pbsp : pi->bsp;
2441 
2442 		a_t = CG_R(0xffff) | CG_L(t_h * high_bsp / 20000);
2443 		smc_state->levels[i + 1].aT = cpu_to_be32(a_t);
2444 	}
2445 
2446 	return 0;
2447 }
2448 
2449 static int ni_populate_power_containment_values(struct radeon_device *rdev,
2450 						struct radeon_ps *radeon_state,
2451 						NISLANDS_SMC_SWSTATE *smc_state)
2452 {
2453 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2454 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2455 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2456 	struct ni_ps *state = ni_get_ps(radeon_state);
2457 	u32 prev_sclk;
2458 	u32 max_sclk;
2459 	u32 min_sclk;
2460 	int i, ret;
2461 	u32 tdp_limit;
2462 	u32 near_tdp_limit;
2463 	u32 power_boost_limit;
2464 	u8 max_ps_percent;
2465 
2466 	if (ni_pi->enable_power_containment == false)
2467 		return 0;
2468 
2469 	if (state->performance_level_count == 0)
2470 		return -EINVAL;
2471 
2472 	if (smc_state->levelCount != state->performance_level_count)
2473 		return -EINVAL;
2474 
2475 	ret = ni_calculate_adjusted_tdp_limits(rdev,
2476 					       false, /* ??? */
2477 					       rdev->pm.dpm.tdp_adjustment,
2478 					       &tdp_limit,
2479 					       &near_tdp_limit);
2480 	if (ret)
2481 		return ret;
2482 
2483 	power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state, near_tdp_limit);
2484 
2485 	ret = rv770_write_smc_sram_dword(rdev,
2486 					 pi->state_table_start +
2487 					 offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
2488 					 offsetof(PP_NIslands_DPM2Parameters, PowerBoostLimit),
2489 					 ni_scale_power_for_smc(power_boost_limit, ni_get_smc_power_scaling_factor(rdev)),
2490 					 pi->sram_end);
2491 	if (ret)
2492 		power_boost_limit = 0;
2493 
2494 	smc_state->levels[0].dpm2.MaxPS = 0;
2495 	smc_state->levels[0].dpm2.NearTDPDec = 0;
2496 	smc_state->levels[0].dpm2.AboveSafeInc = 0;
2497 	smc_state->levels[0].dpm2.BelowSafeInc = 0;
2498 	smc_state->levels[0].stateFlags |= power_boost_limit ? PPSMC_STATEFLAG_POWERBOOST : 0;
2499 
2500 	for (i = 1; i < state->performance_level_count; i++) {
2501 		prev_sclk = state->performance_levels[i-1].sclk;
2502 		max_sclk  = state->performance_levels[i].sclk;
2503 		max_ps_percent = (i != (state->performance_level_count - 1)) ?
2504 			NISLANDS_DPM2_MAXPS_PERCENT_M : NISLANDS_DPM2_MAXPS_PERCENT_H;
2505 
2506 		if (max_sclk < prev_sclk)
2507 			return -EINVAL;
2508 
2509 		if ((max_ps_percent == 0) || (prev_sclk == max_sclk) || eg_pi->uvd_enabled)
2510 			min_sclk = max_sclk;
2511 		else if (1 == i)
2512 			min_sclk = prev_sclk;
2513 		else
2514 			min_sclk = (prev_sclk * (u32)max_ps_percent) / 100;
2515 
2516 		if (min_sclk < state->performance_levels[0].sclk)
2517 			min_sclk = state->performance_levels[0].sclk;
2518 
2519 		if (min_sclk == 0)
2520 			return -EINVAL;
2521 
2522 		smc_state->levels[i].dpm2.MaxPS =
2523 			(u8)((NISLANDS_DPM2_MAX_PULSE_SKIP * (max_sclk - min_sclk)) / max_sclk);
2524 		smc_state->levels[i].dpm2.NearTDPDec = NISLANDS_DPM2_NEAR_TDP_DEC;
2525 		smc_state->levels[i].dpm2.AboveSafeInc = NISLANDS_DPM2_ABOVE_SAFE_INC;
2526 		smc_state->levels[i].dpm2.BelowSafeInc = NISLANDS_DPM2_BELOW_SAFE_INC;
2527 		smc_state->levels[i].stateFlags |=
2528 			((i != (state->performance_level_count - 1)) && power_boost_limit) ?
2529 			PPSMC_STATEFLAG_POWERBOOST : 0;
2530 	}
2531 
2532 	return 0;
2533 }
2534 
2535 static int ni_populate_sq_ramping_values(struct radeon_device *rdev,
2536 					 struct radeon_ps *radeon_state,
2537 					 NISLANDS_SMC_SWSTATE *smc_state)
2538 {
2539 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2540 	struct ni_ps *state = ni_get_ps(radeon_state);
2541 	u32 sq_power_throttle;
2542 	u32 sq_power_throttle2;
2543 	bool enable_sq_ramping = ni_pi->enable_sq_ramping;
2544 	int i;
2545 
2546 	if (state->performance_level_count == 0)
2547 		return -EINVAL;
2548 
2549 	if (smc_state->levelCount != state->performance_level_count)
2550 		return -EINVAL;
2551 
2552 	if (rdev->pm.dpm.sq_ramping_threshold == 0)
2553 		return -EINVAL;
2554 
2555 	if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER > (MAX_POWER_MASK >> MAX_POWER_SHIFT))
2556 		enable_sq_ramping = false;
2557 
2558 	if (NISLANDS_DPM2_SQ_RAMP_MIN_POWER > (MIN_POWER_MASK >> MIN_POWER_SHIFT))
2559 		enable_sq_ramping = false;
2560 
2561 	if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA > (MAX_POWER_DELTA_MASK >> MAX_POWER_DELTA_SHIFT))
2562 		enable_sq_ramping = false;
2563 
2564 	if (NISLANDS_DPM2_SQ_RAMP_STI_SIZE > (STI_SIZE_MASK >> STI_SIZE_SHIFT))
2565 		enable_sq_ramping = false;
2566 
2567 	if (NISLANDS_DPM2_SQ_RAMP_LTI_RATIO > (LTI_RATIO_MASK >> LTI_RATIO_SHIFT))
2568 		enable_sq_ramping = false;
2569 
2570 	for (i = 0; i < state->performance_level_count; i++) {
2571 		sq_power_throttle  = 0;
2572 		sq_power_throttle2 = 0;
2573 
2574 		if ((state->performance_levels[i].sclk >= rdev->pm.dpm.sq_ramping_threshold) &&
2575 		    enable_sq_ramping) {
2576 			sq_power_throttle |= MAX_POWER(NISLANDS_DPM2_SQ_RAMP_MAX_POWER);
2577 			sq_power_throttle |= MIN_POWER(NISLANDS_DPM2_SQ_RAMP_MIN_POWER);
2578 			sq_power_throttle2 |= MAX_POWER_DELTA(NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA);
2579 			sq_power_throttle2 |= STI_SIZE(NISLANDS_DPM2_SQ_RAMP_STI_SIZE);
2580 			sq_power_throttle2 |= LTI_RATIO(NISLANDS_DPM2_SQ_RAMP_LTI_RATIO);
2581 		} else {
2582 			sq_power_throttle |= MAX_POWER_MASK | MIN_POWER_MASK;
2583 			sq_power_throttle2 |= MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
2584 		}
2585 
2586 		smc_state->levels[i].SQPowerThrottle   = cpu_to_be32(sq_power_throttle);
2587 		smc_state->levels[i].SQPowerThrottle_2 = cpu_to_be32(sq_power_throttle2);
2588 	}
2589 
2590 	return 0;
2591 }
2592 
2593 static int ni_enable_power_containment(struct radeon_device *rdev,
2594 				       struct radeon_ps *radeon_new_state,
2595 				       bool enable)
2596 {
2597 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2598 	PPSMC_Result smc_result;
2599 	int ret = 0;
2600 
2601 	if (ni_pi->enable_power_containment) {
2602 		if (enable) {
2603 			if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
2604 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingActive);
2605 				if (smc_result != PPSMC_Result_OK) {
2606 					ret = -EINVAL;
2607 					ni_pi->pc_enabled = false;
2608 				} else {
2609 					ni_pi->pc_enabled = true;
2610 				}
2611 			}
2612 		} else {
2613 			smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingInactive);
2614 			if (smc_result != PPSMC_Result_OK)
2615 				ret = -EINVAL;
2616 			ni_pi->pc_enabled = false;
2617 		}
2618 	}
2619 
2620 	return ret;
2621 }
2622 
2623 static int ni_convert_power_state_to_smc(struct radeon_device *rdev,
2624 					 struct radeon_ps *radeon_state,
2625 					 NISLANDS_SMC_SWSTATE *smc_state)
2626 {
2627 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2628 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2629 	struct ni_ps *state = ni_get_ps(radeon_state);
2630 	int i, ret;
2631 	u32 threshold = state->performance_levels[state->performance_level_count - 1].sclk * 100 / 100;
2632 
2633 	if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC))
2634 		smc_state->flags |= PPSMC_SWSTATE_FLAG_DC;
2635 
2636 	smc_state->levelCount = 0;
2637 
2638 	if (state->performance_level_count > NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE)
2639 		return -EINVAL;
2640 
2641 	for (i = 0; i < state->performance_level_count; i++) {
2642 		ret = ni_convert_power_level_to_smc(rdev, &state->performance_levels[i],
2643 						    &smc_state->levels[i]);
2644 		smc_state->levels[i].arbRefreshState =
2645 			(u8)(NISLANDS_DRIVER_STATE_ARB_INDEX + i);
2646 
2647 		if (ret)
2648 			return ret;
2649 
2650 		if (ni_pi->enable_power_containment)
2651 			smc_state->levels[i].displayWatermark =
2652 				(state->performance_levels[i].sclk < threshold) ?
2653 				PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2654 		else
2655 			smc_state->levels[i].displayWatermark = (i < 2) ?
2656 				PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2657 
2658 		if (eg_pi->dynamic_ac_timing)
2659 			smc_state->levels[i].ACIndex = NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i;
2660 		else
2661 			smc_state->levels[i].ACIndex = 0;
2662 
2663 		smc_state->levelCount++;
2664 	}
2665 
2666 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_watermark_threshold,
2667 				      cpu_to_be32(threshold / 512));
2668 
2669 	ni_populate_smc_sp(rdev, radeon_state, smc_state);
2670 
2671 	ret = ni_populate_power_containment_values(rdev, radeon_state, smc_state);
2672 	if (ret)
2673 		ni_pi->enable_power_containment = false;
2674 
2675 	ret = ni_populate_sq_ramping_values(rdev, radeon_state, smc_state);
2676 	if (ret)
2677 		ni_pi->enable_sq_ramping = false;
2678 
2679 	return ni_populate_smc_t(rdev, radeon_state, smc_state);
2680 }
2681 
2682 static int ni_upload_sw_state(struct radeon_device *rdev,
2683 			      struct radeon_ps *radeon_new_state)
2684 {
2685 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2686 	u16 address = pi->state_table_start +
2687 		offsetof(NISLANDS_SMC_STATETABLE, driverState);
2688 	u16 state_size = sizeof(NISLANDS_SMC_SWSTATE) +
2689 		((NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1) * sizeof(NISLANDS_SMC_HW_PERFORMANCE_LEVEL));
2690 	int ret;
2691 	NISLANDS_SMC_SWSTATE *smc_state = kzalloc(state_size, GFP_KERNEL);
2692 
2693 	if (smc_state == NULL)
2694 		return -ENOMEM;
2695 
2696 	ret = ni_convert_power_state_to_smc(rdev, radeon_new_state, smc_state);
2697 	if (ret)
2698 		goto done;
2699 
2700 	ret = rv770_copy_bytes_to_smc(rdev, address, (u8 *)smc_state, state_size, pi->sram_end);
2701 
2702 done:
2703 	kfree(smc_state);
2704 
2705 	return ret;
2706 }
2707 
2708 static int ni_set_mc_special_registers(struct radeon_device *rdev,
2709 				       struct ni_mc_reg_table *table)
2710 {
2711 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2712 	u8 i, j, k;
2713 	u32 temp_reg;
2714 
2715 	for (i = 0, j = table->last; i < table->last; i++) {
2716 		switch (table->mc_reg_address[i].s1) {
2717 		case MC_SEQ_MISC1 >> 2:
2718 			if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2719 				return -EINVAL;
2720 			temp_reg = RREG32(MC_PMG_CMD_EMRS);
2721 			table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
2722 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2723 			for (k = 0; k < table->num_entries; k++)
2724 				table->mc_reg_table_entry[k].mc_data[j] =
2725 					((temp_reg & 0xffff0000)) |
2726 					((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
2727 			j++;
2728 			if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2729 				return -EINVAL;
2730 
2731 			temp_reg = RREG32(MC_PMG_CMD_MRS);
2732 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
2733 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2734 			for(k = 0; k < table->num_entries; k++) {
2735 				table->mc_reg_table_entry[k].mc_data[j] =
2736 					(temp_reg & 0xffff0000) |
2737 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2738 				if (!pi->mem_gddr5)
2739 					table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
2740 			}
2741 			j++;
2742 			if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2743 				return -EINVAL;
2744 			break;
2745 		case MC_SEQ_RESERVE_M >> 2:
2746 			temp_reg = RREG32(MC_PMG_CMD_MRS1);
2747 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
2748 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2749 			for (k = 0; k < table->num_entries; k++)
2750 				table->mc_reg_table_entry[k].mc_data[j] =
2751 					(temp_reg & 0xffff0000) |
2752 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2753 			j++;
2754 			if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2755 				return -EINVAL;
2756 			break;
2757 		default:
2758 			break;
2759 		}
2760 	}
2761 
2762 	table->last = j;
2763 
2764 	return 0;
2765 }
2766 
2767 static bool ni_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
2768 {
2769 	bool result = true;
2770 
2771 	switch (in_reg) {
2772 	case  MC_SEQ_RAS_TIMING >> 2:
2773 		*out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
2774 		break;
2775 	case MC_SEQ_CAS_TIMING >> 2:
2776 		*out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
2777 		break;
2778 	case MC_SEQ_MISC_TIMING >> 2:
2779 		*out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
2780 		break;
2781 	case MC_SEQ_MISC_TIMING2 >> 2:
2782 		*out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
2783 		break;
2784 	case MC_SEQ_RD_CTL_D0 >> 2:
2785 		*out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
2786 		break;
2787 	case MC_SEQ_RD_CTL_D1 >> 2:
2788 		*out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
2789 		break;
2790 	case MC_SEQ_WR_CTL_D0 >> 2:
2791 		*out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
2792 		break;
2793 	case MC_SEQ_WR_CTL_D1 >> 2:
2794 		*out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
2795 		break;
2796 	case MC_PMG_CMD_EMRS >> 2:
2797 		*out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2798 		break;
2799 	case MC_PMG_CMD_MRS >> 2:
2800 		*out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2801 		break;
2802 	case MC_PMG_CMD_MRS1 >> 2:
2803 		*out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2804 		break;
2805 	case MC_SEQ_PMG_TIMING >> 2:
2806 		*out_reg = MC_SEQ_PMG_TIMING_LP >> 2;
2807 		break;
2808 	case MC_PMG_CMD_MRS2 >> 2:
2809 		*out_reg = MC_SEQ_PMG_CMD_MRS2_LP >> 2;
2810 		break;
2811 	default:
2812 		result = false;
2813 		break;
2814 	}
2815 
2816 	return result;
2817 }
2818 
2819 static void ni_set_valid_flag(struct ni_mc_reg_table *table)
2820 {
2821 	u8 i, j;
2822 
2823 	for (i = 0; i < table->last; i++) {
2824 		for (j = 1; j < table->num_entries; j++) {
2825 			if (table->mc_reg_table_entry[j-1].mc_data[i] != table->mc_reg_table_entry[j].mc_data[i]) {
2826 				table->valid_flag |= 1 << i;
2827 				break;
2828 			}
2829 		}
2830 	}
2831 }
2832 
2833 static void ni_set_s0_mc_reg_index(struct ni_mc_reg_table *table)
2834 {
2835 	u32 i;
2836 	u16 address;
2837 
2838 	for (i = 0; i < table->last; i++)
2839 		table->mc_reg_address[i].s0 =
2840 			ni_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
2841 			address : table->mc_reg_address[i].s1;
2842 }
2843 
2844 static int ni_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
2845 				      struct ni_mc_reg_table *ni_table)
2846 {
2847 	u8 i, j;
2848 
2849 	if (table->last > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2850 		return -EINVAL;
2851 	if (table->num_entries > MAX_AC_TIMING_ENTRIES)
2852 		return -EINVAL;
2853 
2854 	for (i = 0; i < table->last; i++)
2855 		ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
2856 	ni_table->last = table->last;
2857 
2858 	for (i = 0; i < table->num_entries; i++) {
2859 		ni_table->mc_reg_table_entry[i].mclk_max =
2860 			table->mc_reg_table_entry[i].mclk_max;
2861 		for (j = 0; j < table->last; j++)
2862 			ni_table->mc_reg_table_entry[i].mc_data[j] =
2863 				table->mc_reg_table_entry[i].mc_data[j];
2864 	}
2865 	ni_table->num_entries = table->num_entries;
2866 
2867 	return 0;
2868 }
2869 
2870 static int ni_initialize_mc_reg_table(struct radeon_device *rdev)
2871 {
2872 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2873 	int ret;
2874 	struct atom_mc_reg_table *table;
2875 	struct ni_mc_reg_table *ni_table = &ni_pi->mc_reg_table;
2876 	u8 module_index = rv770_get_memory_module_index(rdev);
2877 
2878 	table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
2879 	if (!table)
2880 		return -ENOMEM;
2881 
2882 	WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
2883 	WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
2884 	WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
2885 	WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
2886 	WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
2887 	WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
2888 	WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
2889 	WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
2890 	WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
2891 	WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
2892 	WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
2893 	WREG32(MC_SEQ_PMG_TIMING_LP, RREG32(MC_SEQ_PMG_TIMING));
2894 	WREG32(MC_SEQ_PMG_CMD_MRS2_LP, RREG32(MC_PMG_CMD_MRS2));
2895 
2896 	ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);
2897 
2898 	if (ret)
2899 		goto init_mc_done;
2900 
2901 	ret = ni_copy_vbios_mc_reg_table(table, ni_table);
2902 
2903 	if (ret)
2904 		goto init_mc_done;
2905 
2906 	ni_set_s0_mc_reg_index(ni_table);
2907 
2908 	ret = ni_set_mc_special_registers(rdev, ni_table);
2909 
2910 	if (ret)
2911 		goto init_mc_done;
2912 
2913 	ni_set_valid_flag(ni_table);
2914 
2915 init_mc_done:
2916 	kfree(table);
2917 
2918 	return ret;
2919 }
2920 
2921 static void ni_populate_mc_reg_addresses(struct radeon_device *rdev,
2922 					 SMC_NIslands_MCRegisters *mc_reg_table)
2923 {
2924 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2925 	u32 i, j;
2926 
2927 	for (i = 0, j = 0; j < ni_pi->mc_reg_table.last; j++) {
2928 		if (ni_pi->mc_reg_table.valid_flag & (1 << j)) {
2929 			if (i >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2930 				break;
2931 			mc_reg_table->address[i].s0 =
2932 				cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s0);
2933 			mc_reg_table->address[i].s1 =
2934 				cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s1);
2935 			i++;
2936 		}
2937 	}
2938 	mc_reg_table->last = (u8)i;
2939 }
2940 
2941 
2942 static void ni_convert_mc_registers(struct ni_mc_reg_entry *entry,
2943 				    SMC_NIslands_MCRegisterSet *data,
2944 				    u32 num_entries, u32 valid_flag)
2945 {
2946 	u32 i, j;
2947 
2948 	for (i = 0, j = 0; j < num_entries; j++) {
2949 		if (valid_flag & (1 << j)) {
2950 			data->value[i] = cpu_to_be32(entry->mc_data[j]);
2951 			i++;
2952 		}
2953 	}
2954 }
2955 
2956 static void ni_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev,
2957 						 struct rv7xx_pl *pl,
2958 						 SMC_NIslands_MCRegisterSet *mc_reg_table_data)
2959 {
2960 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2961 	u32 i = 0;
2962 
2963 	for (i = 0; i < ni_pi->mc_reg_table.num_entries; i++) {
2964 		if (pl->mclk <= ni_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max)
2965 			break;
2966 	}
2967 
2968 	if ((i == ni_pi->mc_reg_table.num_entries) && (i > 0))
2969 		--i;
2970 
2971 	ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[i],
2972 				mc_reg_table_data,
2973 				ni_pi->mc_reg_table.last,
2974 				ni_pi->mc_reg_table.valid_flag);
2975 }
2976 
2977 static void ni_convert_mc_reg_table_to_smc(struct radeon_device *rdev,
2978 					   struct radeon_ps *radeon_state,
2979 					   SMC_NIslands_MCRegisters *mc_reg_table)
2980 {
2981 	struct ni_ps *state = ni_get_ps(radeon_state);
2982 	int i;
2983 
2984 	for (i = 0; i < state->performance_level_count; i++) {
2985 		ni_convert_mc_reg_table_entry_to_smc(rdev,
2986 						     &state->performance_levels[i],
2987 						     &mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i]);
2988 	}
2989 }
2990 
2991 static int ni_populate_mc_reg_table(struct radeon_device *rdev,
2992 				    struct radeon_ps *radeon_boot_state)
2993 {
2994 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2995 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2996 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
2997 	struct ni_ps *boot_state = ni_get_ps(radeon_boot_state);
2998 	SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
2999 
3000 	memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3001 
3002 	rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_seq_index, 1);
3003 
3004 	ni_populate_mc_reg_addresses(rdev, mc_reg_table);
3005 
3006 	ni_convert_mc_reg_table_entry_to_smc(rdev, &boot_state->performance_levels[0],
3007 					     &mc_reg_table->data[0]);
3008 
3009 	ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[0],
3010 				&mc_reg_table->data[1],
3011 				ni_pi->mc_reg_table.last,
3012 				ni_pi->mc_reg_table.valid_flag);
3013 
3014 	ni_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, mc_reg_table);
3015 
3016 	return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start,
3017 				       (u8 *)mc_reg_table,
3018 				       sizeof(SMC_NIslands_MCRegisters),
3019 				       pi->sram_end);
3020 }
3021 
3022 static int ni_upload_mc_reg_table(struct radeon_device *rdev,
3023 				  struct radeon_ps *radeon_new_state)
3024 {
3025 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3026 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3027 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3028 	struct ni_ps *ni_new_state = ni_get_ps(radeon_new_state);
3029 	SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
3030 	u16 address;
3031 
3032 	memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3033 
3034 	ni_convert_mc_reg_table_to_smc(rdev, radeon_new_state, mc_reg_table);
3035 
3036 	address = eg_pi->mc_reg_table_start +
3037 		(u16)offsetof(SMC_NIslands_MCRegisters, data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT]);
3038 
3039 	return rv770_copy_bytes_to_smc(rdev, address,
3040 				       (u8 *)&mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT],
3041 				       sizeof(SMC_NIslands_MCRegisterSet) * ni_new_state->performance_level_count,
3042 				       pi->sram_end);
3043 }
3044 
3045 static int ni_init_driver_calculated_leakage_table(struct radeon_device *rdev,
3046 						   PP_NIslands_CACTABLES *cac_tables)
3047 {
3048 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3049 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3050 	u32 leakage = 0;
3051 	unsigned int i, j, table_size;
3052 	s32 t;
3053 	u32 smc_leakage, max_leakage = 0;
3054 	u32 scaling_factor;
3055 
3056 	table_size = eg_pi->vddc_voltage_table.count;
3057 
3058 	if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3059 		table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3060 
3061 	scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3062 
3063 	for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++) {
3064 		for (j = 0; j < table_size; j++) {
3065 			t = (1000 * ((i + 1) * 8));
3066 
3067 			if (t < ni_pi->cac_data.leakage_minimum_temperature)
3068 				t = ni_pi->cac_data.leakage_minimum_temperature;
3069 
3070 			ni_calculate_leakage_for_v_and_t(rdev,
3071 							 &ni_pi->cac_data.leakage_coefficients,
3072 							 eg_pi->vddc_voltage_table.entries[j].value,
3073 							 t,
3074 							 ni_pi->cac_data.i_leakage,
3075 							 &leakage);
3076 
3077 			smc_leakage = ni_scale_power_for_smc(leakage, scaling_factor) / 1000;
3078 			if (smc_leakage > max_leakage)
3079 				max_leakage = smc_leakage;
3080 
3081 			cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(smc_leakage);
3082 		}
3083 	}
3084 
3085 	for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3086 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3087 			cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(max_leakage);
3088 	}
3089 	return 0;
3090 }
3091 
3092 static int ni_init_simplified_leakage_table(struct radeon_device *rdev,
3093 					    PP_NIslands_CACTABLES *cac_tables)
3094 {
3095 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3096 	struct radeon_cac_leakage_table *leakage_table =
3097 		&rdev->pm.dpm.dyn_state.cac_leakage_table;
3098 	u32 i, j, table_size;
3099 	u32 smc_leakage, max_leakage = 0;
3100 	u32 scaling_factor;
3101 
3102 	if (!leakage_table)
3103 		return -EINVAL;
3104 
3105 	table_size = leakage_table->count;
3106 
3107 	if (eg_pi->vddc_voltage_table.count != table_size)
3108 		table_size = (eg_pi->vddc_voltage_table.count < leakage_table->count) ?
3109 			eg_pi->vddc_voltage_table.count : leakage_table->count;
3110 
3111 	if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3112 		table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3113 
3114 	if (table_size == 0)
3115 		return -EINVAL;
3116 
3117 	scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3118 
3119 	for (j = 0; j < table_size; j++) {
3120 		smc_leakage = leakage_table->entries[j].leakage;
3121 
3122 		if (smc_leakage > max_leakage)
3123 			max_leakage = smc_leakage;
3124 
3125 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3126 			cac_tables->cac_lkge_lut[i][j] =
3127 				cpu_to_be32(ni_scale_power_for_smc(smc_leakage, scaling_factor));
3128 	}
3129 
3130 	for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3131 		for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3132 			cac_tables->cac_lkge_lut[i][j] =
3133 				cpu_to_be32(ni_scale_power_for_smc(max_leakage, scaling_factor));
3134 	}
3135 	return 0;
3136 }
3137 
3138 static int ni_initialize_smc_cac_tables(struct radeon_device *rdev)
3139 {
3140 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3141 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3142 	PP_NIslands_CACTABLES *cac_tables = NULL;
3143 	int i, ret;
3144 	u32 reg;
3145 
3146 	if (ni_pi->enable_cac == false)
3147 		return 0;
3148 
3149 	cac_tables = kzalloc(sizeof(PP_NIslands_CACTABLES), GFP_KERNEL);
3150 	if (!cac_tables)
3151 		return -ENOMEM;
3152 
3153 	reg = RREG32(CG_CAC_CTRL) & ~(TID_CNT_MASK | TID_UNIT_MASK);
3154 	reg |= (TID_CNT(ni_pi->cac_weights->tid_cnt) |
3155 		TID_UNIT(ni_pi->cac_weights->tid_unit));
3156 	WREG32(CG_CAC_CTRL, reg);
3157 
3158 	for (i = 0; i < NISLANDS_DCCAC_MAX_LEVELS; i++)
3159 		ni_pi->dc_cac_table[i] = ni_pi->cac_weights->dc_cac[i];
3160 
3161 	for (i = 0; i < SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES; i++)
3162 		cac_tables->cac_bif_lut[i] = ni_pi->cac_weights->pcie_cac[i];
3163 
3164 	ni_pi->cac_data.i_leakage = rdev->pm.dpm.cac_leakage;
3165 	ni_pi->cac_data.pwr_const = 0;
3166 	ni_pi->cac_data.dc_cac_value = ni_pi->dc_cac_table[NISLANDS_DCCAC_LEVEL_0];
3167 	ni_pi->cac_data.bif_cac_value = 0;
3168 	ni_pi->cac_data.mc_wr_weight = ni_pi->cac_weights->mc_write_weight;
3169 	ni_pi->cac_data.mc_rd_weight = ni_pi->cac_weights->mc_read_weight;
3170 	ni_pi->cac_data.allow_ovrflw = 0;
3171 	ni_pi->cac_data.l2num_win_tdp = ni_pi->lta_window_size;
3172 	ni_pi->cac_data.num_win_tdp = 0;
3173 	ni_pi->cac_data.lts_truncate_n = ni_pi->lts_truncate;
3174 
3175 	if (ni_pi->driver_calculate_cac_leakage)
3176 		ret = ni_init_driver_calculated_leakage_table(rdev, cac_tables);
3177 	else
3178 		ret = ni_init_simplified_leakage_table(rdev, cac_tables);
3179 
3180 	if (ret)
3181 		goto done_free;
3182 
3183 	cac_tables->pwr_const      = cpu_to_be32(ni_pi->cac_data.pwr_const);
3184 	cac_tables->dc_cacValue    = cpu_to_be32(ni_pi->cac_data.dc_cac_value);
3185 	cac_tables->bif_cacValue   = cpu_to_be32(ni_pi->cac_data.bif_cac_value);
3186 	cac_tables->AllowOvrflw    = ni_pi->cac_data.allow_ovrflw;
3187 	cac_tables->MCWrWeight     = ni_pi->cac_data.mc_wr_weight;
3188 	cac_tables->MCRdWeight     = ni_pi->cac_data.mc_rd_weight;
3189 	cac_tables->numWin_TDP     = ni_pi->cac_data.num_win_tdp;
3190 	cac_tables->l2numWin_TDP   = ni_pi->cac_data.l2num_win_tdp;
3191 	cac_tables->lts_truncate_n = ni_pi->cac_data.lts_truncate_n;
3192 
3193 	ret = rv770_copy_bytes_to_smc(rdev, ni_pi->cac_table_start, (u8 *)cac_tables,
3194 				      sizeof(PP_NIslands_CACTABLES), pi->sram_end);
3195 
3196 done_free:
3197 	if (ret) {
3198 		ni_pi->enable_cac = false;
3199 		ni_pi->enable_power_containment = false;
3200 	}
3201 
3202 	kfree(cac_tables);
3203 
3204 	return 0;
3205 }
3206 
3207 static int ni_initialize_hardware_cac_manager(struct radeon_device *rdev)
3208 {
3209 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3210 	u32 reg;
3211 
3212 	if (!ni_pi->enable_cac ||
3213 	    !ni_pi->cac_configuration_required)
3214 		return 0;
3215 
3216 	if (ni_pi->cac_weights == NULL)
3217 		return -EINVAL;
3218 
3219 	reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_0) & ~(WEIGHT_TCP_SIG0_MASK |
3220 						      WEIGHT_TCP_SIG1_MASK |
3221 						      WEIGHT_TA_SIG_MASK);
3222 	reg |= (WEIGHT_TCP_SIG0(ni_pi->cac_weights->weight_tcp_sig0) |
3223 		WEIGHT_TCP_SIG1(ni_pi->cac_weights->weight_tcp_sig1) |
3224 		WEIGHT_TA_SIG(ni_pi->cac_weights->weight_ta_sig));
3225 	WREG32_CG(CG_CAC_REGION_1_WEIGHT_0, reg);
3226 
3227 	reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_1) & ~(WEIGHT_TCC_EN0_MASK |
3228 						      WEIGHT_TCC_EN1_MASK |
3229 						      WEIGHT_TCC_EN2_MASK);
3230 	reg |= (WEIGHT_TCC_EN0(ni_pi->cac_weights->weight_tcc_en0) |
3231 		WEIGHT_TCC_EN1(ni_pi->cac_weights->weight_tcc_en1) |
3232 		WEIGHT_TCC_EN2(ni_pi->cac_weights->weight_tcc_en2));
3233 	WREG32_CG(CG_CAC_REGION_1_WEIGHT_1, reg);
3234 
3235 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_0) & ~(WEIGHT_CB_EN0_MASK |
3236 						      WEIGHT_CB_EN1_MASK |
3237 						      WEIGHT_CB_EN2_MASK |
3238 						      WEIGHT_CB_EN3_MASK);
3239 	reg |= (WEIGHT_CB_EN0(ni_pi->cac_weights->weight_cb_en0) |
3240 		WEIGHT_CB_EN1(ni_pi->cac_weights->weight_cb_en1) |
3241 		WEIGHT_CB_EN2(ni_pi->cac_weights->weight_cb_en2) |
3242 		WEIGHT_CB_EN3(ni_pi->cac_weights->weight_cb_en3));
3243 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_0, reg);
3244 
3245 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_1) & ~(WEIGHT_DB_SIG0_MASK |
3246 						      WEIGHT_DB_SIG1_MASK |
3247 						      WEIGHT_DB_SIG2_MASK |
3248 						      WEIGHT_DB_SIG3_MASK);
3249 	reg |= (WEIGHT_DB_SIG0(ni_pi->cac_weights->weight_db_sig0) |
3250 		WEIGHT_DB_SIG1(ni_pi->cac_weights->weight_db_sig1) |
3251 		WEIGHT_DB_SIG2(ni_pi->cac_weights->weight_db_sig2) |
3252 		WEIGHT_DB_SIG3(ni_pi->cac_weights->weight_db_sig3));
3253 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_1, reg);
3254 
3255 	reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_2) & ~(WEIGHT_SXM_SIG0_MASK |
3256 						      WEIGHT_SXM_SIG1_MASK |
3257 						      WEIGHT_SXM_SIG2_MASK |
3258 						      WEIGHT_SXS_SIG0_MASK |
3259 						      WEIGHT_SXS_SIG1_MASK);
3260 	reg |= (WEIGHT_SXM_SIG0(ni_pi->cac_weights->weight_sxm_sig0) |
3261 		WEIGHT_SXM_SIG1(ni_pi->cac_weights->weight_sxm_sig1) |
3262 		WEIGHT_SXM_SIG2(ni_pi->cac_weights->weight_sxm_sig2) |
3263 		WEIGHT_SXS_SIG0(ni_pi->cac_weights->weight_sxs_sig0) |
3264 		WEIGHT_SXS_SIG1(ni_pi->cac_weights->weight_sxs_sig1));
3265 	WREG32_CG(CG_CAC_REGION_2_WEIGHT_2, reg);
3266 
3267 	reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_0) & ~(WEIGHT_XBR_0_MASK |
3268 						      WEIGHT_XBR_1_MASK |
3269 						      WEIGHT_XBR_2_MASK |
3270 						      WEIGHT_SPI_SIG0_MASK);
3271 	reg |= (WEIGHT_XBR_0(ni_pi->cac_weights->weight_xbr_0) |
3272 		WEIGHT_XBR_1(ni_pi->cac_weights->weight_xbr_1) |
3273 		WEIGHT_XBR_2(ni_pi->cac_weights->weight_xbr_2) |
3274 		WEIGHT_SPI_SIG0(ni_pi->cac_weights->weight_spi_sig0));
3275 	WREG32_CG(CG_CAC_REGION_3_WEIGHT_0, reg);
3276 
3277 	reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_1) & ~(WEIGHT_SPI_SIG1_MASK |
3278 						      WEIGHT_SPI_SIG2_MASK |
3279 						      WEIGHT_SPI_SIG3_MASK |
3280 						      WEIGHT_SPI_SIG4_MASK |
3281 						      WEIGHT_SPI_SIG5_MASK);
3282 	reg |= (WEIGHT_SPI_SIG1(ni_pi->cac_weights->weight_spi_sig1) |
3283 		WEIGHT_SPI_SIG2(ni_pi->cac_weights->weight_spi_sig2) |
3284 		WEIGHT_SPI_SIG3(ni_pi->cac_weights->weight_spi_sig3) |
3285 		WEIGHT_SPI_SIG4(ni_pi->cac_weights->weight_spi_sig4) |
3286 		WEIGHT_SPI_SIG5(ni_pi->cac_weights->weight_spi_sig5));
3287 	WREG32_CG(CG_CAC_REGION_3_WEIGHT_1, reg);
3288 
3289 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_0) & ~(WEIGHT_LDS_SIG0_MASK |
3290 						      WEIGHT_LDS_SIG1_MASK |
3291 						      WEIGHT_SC_MASK);
3292 	reg |= (WEIGHT_LDS_SIG0(ni_pi->cac_weights->weight_lds_sig0) |
3293 		WEIGHT_LDS_SIG1(ni_pi->cac_weights->weight_lds_sig1) |
3294 		WEIGHT_SC(ni_pi->cac_weights->weight_sc));
3295 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_0, reg);
3296 
3297 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_1) & ~(WEIGHT_BIF_MASK |
3298 						      WEIGHT_CP_MASK |
3299 						      WEIGHT_PA_SIG0_MASK |
3300 						      WEIGHT_PA_SIG1_MASK |
3301 						      WEIGHT_VGT_SIG0_MASK);
3302 	reg |= (WEIGHT_BIF(ni_pi->cac_weights->weight_bif) |
3303 		WEIGHT_CP(ni_pi->cac_weights->weight_cp) |
3304 		WEIGHT_PA_SIG0(ni_pi->cac_weights->weight_pa_sig0) |
3305 		WEIGHT_PA_SIG1(ni_pi->cac_weights->weight_pa_sig1) |
3306 		WEIGHT_VGT_SIG0(ni_pi->cac_weights->weight_vgt_sig0));
3307 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_1, reg);
3308 
3309 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_2) & ~(WEIGHT_VGT_SIG1_MASK |
3310 						      WEIGHT_VGT_SIG2_MASK |
3311 						      WEIGHT_DC_SIG0_MASK |
3312 						      WEIGHT_DC_SIG1_MASK |
3313 						      WEIGHT_DC_SIG2_MASK);
3314 	reg |= (WEIGHT_VGT_SIG1(ni_pi->cac_weights->weight_vgt_sig1) |
3315 		WEIGHT_VGT_SIG2(ni_pi->cac_weights->weight_vgt_sig2) |
3316 		WEIGHT_DC_SIG0(ni_pi->cac_weights->weight_dc_sig0) |
3317 		WEIGHT_DC_SIG1(ni_pi->cac_weights->weight_dc_sig1) |
3318 		WEIGHT_DC_SIG2(ni_pi->cac_weights->weight_dc_sig2));
3319 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_2, reg);
3320 
3321 	reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_3) & ~(WEIGHT_DC_SIG3_MASK |
3322 						      WEIGHT_UVD_SIG0_MASK |
3323 						      WEIGHT_UVD_SIG1_MASK |
3324 						      WEIGHT_SPARE0_MASK |
3325 						      WEIGHT_SPARE1_MASK);
3326 	reg |= (WEIGHT_DC_SIG3(ni_pi->cac_weights->weight_dc_sig3) |
3327 		WEIGHT_UVD_SIG0(ni_pi->cac_weights->weight_uvd_sig0) |
3328 		WEIGHT_UVD_SIG1(ni_pi->cac_weights->weight_uvd_sig1) |
3329 		WEIGHT_SPARE0(ni_pi->cac_weights->weight_spare0) |
3330 		WEIGHT_SPARE1(ni_pi->cac_weights->weight_spare1));
3331 	WREG32_CG(CG_CAC_REGION_4_WEIGHT_3, reg);
3332 
3333 	reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_0) & ~(WEIGHT_SQ_VSP_MASK |
3334 						      WEIGHT_SQ_VSP0_MASK);
3335 	reg |= (WEIGHT_SQ_VSP(ni_pi->cac_weights->weight_sq_vsp) |
3336 		WEIGHT_SQ_VSP0(ni_pi->cac_weights->weight_sq_vsp0));
3337 	WREG32_CG(CG_CAC_REGION_5_WEIGHT_0, reg);
3338 
3339 	reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_1) & ~(WEIGHT_SQ_GPR_MASK);
3340 	reg |= WEIGHT_SQ_GPR(ni_pi->cac_weights->weight_sq_gpr);
3341 	WREG32_CG(CG_CAC_REGION_5_WEIGHT_1, reg);
3342 
3343 	reg = RREG32_CG(CG_CAC_REGION_4_OVERRIDE_4) & ~(OVR_MODE_SPARE_0_MASK |
3344 							OVR_VAL_SPARE_0_MASK |
3345 							OVR_MODE_SPARE_1_MASK |
3346 							OVR_VAL_SPARE_1_MASK);
3347 	reg |= (OVR_MODE_SPARE_0(ni_pi->cac_weights->ovr_mode_spare_0) |
3348 		OVR_VAL_SPARE_0(ni_pi->cac_weights->ovr_val_spare_0) |
3349 		OVR_MODE_SPARE_1(ni_pi->cac_weights->ovr_mode_spare_1) |
3350 		OVR_VAL_SPARE_1(ni_pi->cac_weights->ovr_val_spare_1));
3351 	WREG32_CG(CG_CAC_REGION_4_OVERRIDE_4, reg);
3352 
3353 	reg = RREG32(SQ_CAC_THRESHOLD) & ~(VSP_MASK |
3354 					   VSP0_MASK |
3355 					   GPR_MASK);
3356 	reg |= (VSP(ni_pi->cac_weights->vsp) |
3357 		VSP0(ni_pi->cac_weights->vsp0) |
3358 		GPR(ni_pi->cac_weights->gpr));
3359 	WREG32(SQ_CAC_THRESHOLD, reg);
3360 
3361 	reg = (MCDW_WR_ENABLE |
3362 	       MCDX_WR_ENABLE |
3363 	       MCDY_WR_ENABLE |
3364 	       MCDZ_WR_ENABLE |
3365 	       INDEX(0x09D4));
3366 	WREG32(MC_CG_CONFIG, reg);
3367 
3368 	reg = (READ_WEIGHT(ni_pi->cac_weights->mc_read_weight) |
3369 	       WRITE_WEIGHT(ni_pi->cac_weights->mc_write_weight) |
3370 	       ALLOW_OVERFLOW);
3371 	WREG32(MC_CG_DATAPORT, reg);
3372 
3373 	return 0;
3374 }
3375 
3376 static int ni_enable_smc_cac(struct radeon_device *rdev,
3377 			     struct radeon_ps *radeon_new_state,
3378 			     bool enable)
3379 {
3380 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3381 	int ret = 0;
3382 	PPSMC_Result smc_result;
3383 
3384 	if (ni_pi->enable_cac) {
3385 		if (enable) {
3386 			if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
3387 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_CollectCAC_PowerCorreln);
3388 
3389 				if (ni_pi->support_cac_long_term_average) {
3390 					smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgEnable);
3391 					if (PPSMC_Result_OK != smc_result)
3392 						ni_pi->support_cac_long_term_average = false;
3393 				}
3394 
3395 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableCac);
3396 				if (PPSMC_Result_OK != smc_result)
3397 					ret = -EINVAL;
3398 
3399 				ni_pi->cac_enabled = (PPSMC_Result_OK == smc_result) ? true : false;
3400 			}
3401 		} else if (ni_pi->cac_enabled) {
3402 			smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac);
3403 
3404 			ni_pi->cac_enabled = false;
3405 
3406 			if (ni_pi->support_cac_long_term_average) {
3407 				smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgDisable);
3408 				if (PPSMC_Result_OK != smc_result)
3409 					ni_pi->support_cac_long_term_average = false;
3410 			}
3411 		}
3412 	}
3413 
3414 	return ret;
3415 }
3416 
3417 static int ni_pcie_performance_request(struct radeon_device *rdev,
3418 				       u8 perf_req, bool advertise)
3419 {
3420 #if defined(CONFIG_ACPI)
3421 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3422 
3423 	if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) ||
3424 	    (perf_req == PCIE_PERF_REQ_PECI_GEN2)) {
3425 		if (eg_pi->pcie_performance_request_registered == false)
3426 			radeon_acpi_pcie_notify_device_ready(rdev);
3427 		eg_pi->pcie_performance_request_registered = true;
3428 		return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
3429 	} else if ((perf_req == PCIE_PERF_REQ_REMOVE_REGISTRY) &&
3430 		    eg_pi->pcie_performance_request_registered) {
3431 		eg_pi->pcie_performance_request_registered = false;
3432 		return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
3433 	}
3434 #endif
3435 	return 0;
3436 }
3437 
3438 static int ni_advertise_gen2_capability(struct radeon_device *rdev)
3439 {
3440 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3441 	u32 tmp;
3442 
3443 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
3444 
3445 	if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3446 	    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2))
3447 		pi->pcie_gen2 = true;
3448 	else
3449 		pi->pcie_gen2 = false;
3450 
3451 	if (!pi->pcie_gen2)
3452 		ni_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, true);
3453 
3454 	return 0;
3455 }
3456 
3457 static void ni_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
3458 					    bool enable)
3459 {
3460 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3461 	u32 tmp, bif;
3462 
3463 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
3464 
3465 	if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3466 	    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3467 		if (enable) {
3468 			if (!pi->boot_in_gen2) {
3469 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
3470 				bif |= CG_CLIENT_REQ(0xd);
3471 				WREG32(CG_BIF_REQ_AND_RSP, bif);
3472 			}
3473 			tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
3474 			tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
3475 			tmp |= LC_GEN2_EN_STRAP;
3476 
3477 			tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3478 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3479 			udelay(10);
3480 			tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3481 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3482 		} else {
3483 			if (!pi->boot_in_gen2) {
3484 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
3485 				bif |= CG_CLIENT_REQ(0xd);
3486 				WREG32(CG_BIF_REQ_AND_RSP, bif);
3487 
3488 				tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
3489 				tmp &= ~LC_GEN2_EN_STRAP;
3490 			}
3491 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
3492 		}
3493 	}
3494 }
3495 
3496 static void ni_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
3497 					bool enable)
3498 {
3499 	ni_enable_bif_dynamic_pcie_gen2(rdev, enable);
3500 
3501 	if (enable)
3502 		WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
3503 	else
3504 		WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
3505 }
3506 
3507 void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
3508 					   struct radeon_ps *new_ps,
3509 					   struct radeon_ps *old_ps)
3510 {
3511 	struct ni_ps *new_state = ni_get_ps(new_ps);
3512 	struct ni_ps *current_state = ni_get_ps(old_ps);
3513 
3514 	if ((new_ps->vclk == old_ps->vclk) &&
3515 	    (new_ps->dclk == old_ps->dclk))
3516 		return;
3517 
3518 	if (new_state->performance_levels[new_state->performance_level_count - 1].sclk >=
3519 	    current_state->performance_levels[current_state->performance_level_count - 1].sclk)
3520 		return;
3521 
3522 	radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
3523 }
3524 
3525 void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
3526 					  struct radeon_ps *new_ps,
3527 					  struct radeon_ps *old_ps)
3528 {
3529 	struct ni_ps *new_state = ni_get_ps(new_ps);
3530 	struct ni_ps *current_state = ni_get_ps(old_ps);
3531 
3532 	if ((new_ps->vclk == old_ps->vclk) &&
3533 	    (new_ps->dclk == old_ps->dclk))
3534 		return;
3535 
3536 	if (new_state->performance_levels[new_state->performance_level_count - 1].sclk <
3537 	    current_state->performance_levels[current_state->performance_level_count - 1].sclk)
3538 		return;
3539 
3540 	radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
3541 }
3542 
3543 void ni_dpm_setup_asic(struct radeon_device *rdev)
3544 {
3545 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3546 	int r;
3547 
3548 	r = ni_mc_load_microcode(rdev);
3549 	if (r)
3550 		DRM_ERROR("Failed to load MC firmware!\n");
3551 	ni_read_clock_registers(rdev);
3552 	btc_read_arb_registers(rdev);
3553 	rv770_get_memory_type(rdev);
3554 	if (eg_pi->pcie_performance_request)
3555 		ni_advertise_gen2_capability(rdev);
3556 	rv770_get_pcie_gen2_status(rdev);
3557 	rv770_enable_acpi_pm(rdev);
3558 }
3559 
3560 void ni_update_current_ps(struct radeon_device *rdev,
3561 			  struct radeon_ps *rps)
3562 {
3563 	struct ni_ps *new_ps = ni_get_ps(rps);
3564 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3565 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3566 
3567 	eg_pi->current_rps = *rps;
3568 	ni_pi->current_ps = *new_ps;
3569 	eg_pi->current_rps.ps_priv = &ni_pi->current_ps;
3570 }
3571 
3572 void ni_update_requested_ps(struct radeon_device *rdev,
3573 			    struct radeon_ps *rps)
3574 {
3575 	struct ni_ps *new_ps = ni_get_ps(rps);
3576 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3577 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
3578 
3579 	eg_pi->requested_rps = *rps;
3580 	ni_pi->requested_ps = *new_ps;
3581 	eg_pi->requested_rps.ps_priv = &ni_pi->requested_ps;
3582 }
3583 
3584 int ni_dpm_enable(struct radeon_device *rdev)
3585 {
3586 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3587 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3588 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
3589 	int ret;
3590 
3591 	if (pi->gfx_clock_gating)
3592 		ni_cg_clockgating_default(rdev);
3593 	if (btc_dpm_enabled(rdev))
3594 		return -EINVAL;
3595 	if (pi->mg_clock_gating)
3596 		ni_mg_clockgating_default(rdev);
3597 	if (eg_pi->ls_clock_gating)
3598 		ni_ls_clockgating_default(rdev);
3599 	if (pi->voltage_control) {
3600 		rv770_enable_voltage_control(rdev, true);
3601 		ret = cypress_construct_voltage_tables(rdev);
3602 		if (ret) {
3603 			DRM_ERROR("cypress_construct_voltage_tables failed\n");
3604 			return ret;
3605 		}
3606 	}
3607 	if (eg_pi->dynamic_ac_timing) {
3608 		ret = ni_initialize_mc_reg_table(rdev);
3609 		if (ret)
3610 			eg_pi->dynamic_ac_timing = false;
3611 	}
3612 	if (pi->dynamic_ss)
3613 		cypress_enable_spread_spectrum(rdev, true);
3614 	if (pi->thermal_protection)
3615 		rv770_enable_thermal_protection(rdev, true);
3616 	rv770_setup_bsp(rdev);
3617 	rv770_program_git(rdev);
3618 	rv770_program_tp(rdev);
3619 	rv770_program_tpp(rdev);
3620 	rv770_program_sstp(rdev);
3621 	cypress_enable_display_gap(rdev);
3622 	rv770_program_vc(rdev);
3623 	if (pi->dynamic_pcie_gen2)
3624 		ni_enable_dynamic_pcie_gen2(rdev, true);
3625 	ret = rv770_upload_firmware(rdev);
3626 	if (ret) {
3627 		DRM_ERROR("rv770_upload_firmware failed\n");
3628 		return ret;
3629 	}
3630 	ret = ni_process_firmware_header(rdev);
3631 	if (ret) {
3632 		DRM_ERROR("ni_process_firmware_header failed\n");
3633 		return ret;
3634 	}
3635 	ret = ni_initial_switch_from_arb_f0_to_f1(rdev);
3636 	if (ret) {
3637 		DRM_ERROR("ni_initial_switch_from_arb_f0_to_f1 failed\n");
3638 		return ret;
3639 	}
3640 	ret = ni_init_smc_table(rdev);
3641 	if (ret) {
3642 		DRM_ERROR("ni_init_smc_table failed\n");
3643 		return ret;
3644 	}
3645 	ret = ni_init_smc_spll_table(rdev);
3646 	if (ret) {
3647 		DRM_ERROR("ni_init_smc_spll_table failed\n");
3648 		return ret;
3649 	}
3650 	ret = ni_init_arb_table_index(rdev);
3651 	if (ret) {
3652 		DRM_ERROR("ni_init_arb_table_index failed\n");
3653 		return ret;
3654 	}
3655 	if (eg_pi->dynamic_ac_timing) {
3656 		ret = ni_populate_mc_reg_table(rdev, boot_ps);
3657 		if (ret) {
3658 			DRM_ERROR("ni_populate_mc_reg_table failed\n");
3659 			return ret;
3660 		}
3661 	}
3662 	ret = ni_initialize_smc_cac_tables(rdev);
3663 	if (ret) {
3664 		DRM_ERROR("ni_initialize_smc_cac_tables failed\n");
3665 		return ret;
3666 	}
3667 	ret = ni_initialize_hardware_cac_manager(rdev);
3668 	if (ret) {
3669 		DRM_ERROR("ni_initialize_hardware_cac_manager failed\n");
3670 		return ret;
3671 	}
3672 	ret = ni_populate_smc_tdp_limits(rdev, boot_ps);
3673 	if (ret) {
3674 		DRM_ERROR("ni_populate_smc_tdp_limits failed\n");
3675 		return ret;
3676 	}
3677 	ni_program_response_times(rdev);
3678 	r7xx_start_smc(rdev);
3679 	ret = cypress_notify_smc_display_change(rdev, false);
3680 	if (ret) {
3681 		DRM_ERROR("cypress_notify_smc_display_change failed\n");
3682 		return ret;
3683 	}
3684 	cypress_enable_sclk_control(rdev, true);
3685 	if (eg_pi->memory_transition)
3686 		cypress_enable_mclk_control(rdev, true);
3687 	cypress_start_dpm(rdev);
3688 	if (pi->gfx_clock_gating)
3689 		ni_gfx_clockgating_enable(rdev, true);
3690 	if (pi->mg_clock_gating)
3691 		ni_mg_clockgating_enable(rdev, true);
3692 	if (eg_pi->ls_clock_gating)
3693 		ni_ls_clockgating_enable(rdev, true);
3694 
3695 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
3696 
3697 	ni_update_current_ps(rdev, boot_ps);
3698 
3699 	return 0;
3700 }
3701 
3702 void ni_dpm_disable(struct radeon_device *rdev)
3703 {
3704 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3705 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3706 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
3707 
3708 	if (!btc_dpm_enabled(rdev))
3709 		return;
3710 	rv770_clear_vc(rdev);
3711 	if (pi->thermal_protection)
3712 		rv770_enable_thermal_protection(rdev, false);
3713 	ni_enable_power_containment(rdev, boot_ps, false);
3714 	ni_enable_smc_cac(rdev, boot_ps, false);
3715 	cypress_enable_spread_spectrum(rdev, false);
3716 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
3717 	if (pi->dynamic_pcie_gen2)
3718 		ni_enable_dynamic_pcie_gen2(rdev, false);
3719 
3720 	if (rdev->irq.installed &&
3721 	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
3722 		rdev->irq.dpm_thermal = false;
3723 		radeon_irq_set(rdev);
3724 	}
3725 
3726 	if (pi->gfx_clock_gating)
3727 		ni_gfx_clockgating_enable(rdev, false);
3728 	if (pi->mg_clock_gating)
3729 		ni_mg_clockgating_enable(rdev, false);
3730 	if (eg_pi->ls_clock_gating)
3731 		ni_ls_clockgating_enable(rdev, false);
3732 	ni_stop_dpm(rdev);
3733 	btc_reset_to_default(rdev);
3734 	ni_stop_smc(rdev);
3735 	ni_force_switch_to_arb_f0(rdev);
3736 
3737 	ni_update_current_ps(rdev, boot_ps);
3738 }
3739 
3740 static int ni_power_control_set_level(struct radeon_device *rdev)
3741 {
3742 	struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
3743 	int ret;
3744 
3745 	ret = ni_restrict_performance_levels_before_switch(rdev);
3746 	if (ret)
3747 		return ret;
3748 	ret = rv770_halt_smc(rdev);
3749 	if (ret)
3750 		return ret;
3751 	ret = ni_populate_smc_tdp_limits(rdev, new_ps);
3752 	if (ret)
3753 		return ret;
3754 	ret = rv770_resume_smc(rdev);
3755 	if (ret)
3756 		return ret;
3757 	ret = rv770_set_sw_state(rdev);
3758 	if (ret)
3759 		return ret;
3760 
3761 	return 0;
3762 }
3763 
3764 int ni_dpm_pre_set_power_state(struct radeon_device *rdev)
3765 {
3766 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3767 	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
3768 	struct radeon_ps *new_ps = &requested_ps;
3769 
3770 	ni_update_requested_ps(rdev, new_ps);
3771 
3772 	ni_apply_state_adjust_rules(rdev, &eg_pi->requested_rps);
3773 
3774 	return 0;
3775 }
3776 
3777 int ni_dpm_set_power_state(struct radeon_device *rdev)
3778 {
3779 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3780 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
3781 	struct radeon_ps *old_ps = &eg_pi->current_rps;
3782 	int ret;
3783 
3784 	ret = ni_restrict_performance_levels_before_switch(rdev);
3785 	if (ret) {
3786 		DRM_ERROR("ni_restrict_performance_levels_before_switch failed\n");
3787 		return ret;
3788 	}
3789 	ni_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
3790 	ret = ni_enable_power_containment(rdev, new_ps, false);
3791 	if (ret) {
3792 		DRM_ERROR("ni_enable_power_containment failed\n");
3793 		return ret;
3794 	}
3795 	ret = ni_enable_smc_cac(rdev, new_ps, false);
3796 	if (ret) {
3797 		DRM_ERROR("ni_enable_smc_cac failed\n");
3798 		return ret;
3799 	}
3800 	ret = rv770_halt_smc(rdev);
3801 	if (ret) {
3802 		DRM_ERROR("rv770_halt_smc failed\n");
3803 		return ret;
3804 	}
3805 	if (eg_pi->smu_uvd_hs)
3806 		btc_notify_uvd_to_smc(rdev, new_ps);
3807 	ret = ni_upload_sw_state(rdev, new_ps);
3808 	if (ret) {
3809 		DRM_ERROR("ni_upload_sw_state failed\n");
3810 		return ret;
3811 	}
3812 	if (eg_pi->dynamic_ac_timing) {
3813 		ret = ni_upload_mc_reg_table(rdev, new_ps);
3814 		if (ret) {
3815 			DRM_ERROR("ni_upload_mc_reg_table failed\n");
3816 			return ret;
3817 		}
3818 	}
3819 	ret = ni_program_memory_timing_parameters(rdev, new_ps);
3820 	if (ret) {
3821 		DRM_ERROR("ni_program_memory_timing_parameters failed\n");
3822 		return ret;
3823 	}
3824 	ret = rv770_resume_smc(rdev);
3825 	if (ret) {
3826 		DRM_ERROR("rv770_resume_smc failed\n");
3827 		return ret;
3828 	}
3829 	ret = rv770_set_sw_state(rdev);
3830 	if (ret) {
3831 		DRM_ERROR("rv770_set_sw_state failed\n");
3832 		return ret;
3833 	}
3834 	ni_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
3835 	ret = ni_enable_smc_cac(rdev, new_ps, true);
3836 	if (ret) {
3837 		DRM_ERROR("ni_enable_smc_cac failed\n");
3838 		return ret;
3839 	}
3840 	ret = ni_enable_power_containment(rdev, new_ps, true);
3841 	if (ret) {
3842 		DRM_ERROR("ni_enable_power_containment failed\n");
3843 		return ret;
3844 	}
3845 
3846 	/* update tdp */
3847 	ret = ni_power_control_set_level(rdev);
3848 	if (ret) {
3849 		DRM_ERROR("ni_power_control_set_level failed\n");
3850 		return ret;
3851 	}
3852 
3853 	return 0;
3854 }
3855 
3856 void ni_dpm_post_set_power_state(struct radeon_device *rdev)
3857 {
3858 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3859 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
3860 
3861 	ni_update_current_ps(rdev, new_ps);
3862 }
3863 
3864 #if 0
3865 void ni_dpm_reset_asic(struct radeon_device *rdev)
3866 {
3867 	ni_restrict_performance_levels_before_switch(rdev);
3868 	rv770_set_boot_state(rdev);
3869 }
3870 #endif
3871 
3872 union power_info {
3873 	struct _ATOM_POWERPLAY_INFO info;
3874 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
3875 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
3876 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
3877 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
3878 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
3879 };
3880 
3881 union pplib_clock_info {
3882 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
3883 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
3884 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
3885 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
3886 };
3887 
3888 union pplib_power_state {
3889 	struct _ATOM_PPLIB_STATE v1;
3890 	struct _ATOM_PPLIB_STATE_V2 v2;
3891 };
3892 
3893 static void ni_parse_pplib_non_clock_info(struct radeon_device *rdev,
3894 					  struct radeon_ps *rps,
3895 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
3896 					  u8 table_rev)
3897 {
3898 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
3899 	rps->class = le16_to_cpu(non_clock_info->usClassification);
3900 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
3901 
3902 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
3903 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
3904 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
3905 	} else if (r600_is_uvd_state(rps->class, rps->class2)) {
3906 		rps->vclk = RV770_DEFAULT_VCLK_FREQ;
3907 		rps->dclk = RV770_DEFAULT_DCLK_FREQ;
3908 	} else {
3909 		rps->vclk = 0;
3910 		rps->dclk = 0;
3911 	}
3912 
3913 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
3914 		rdev->pm.dpm.boot_ps = rps;
3915 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
3916 		rdev->pm.dpm.uvd_ps = rps;
3917 }
3918 
3919 static void ni_parse_pplib_clock_info(struct radeon_device *rdev,
3920 				      struct radeon_ps *rps, int index,
3921 				      union pplib_clock_info *clock_info)
3922 {
3923 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3924 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3925 	struct ni_ps *ps = ni_get_ps(rps);
3926 	struct rv7xx_pl *pl = &ps->performance_levels[index];
3927 
3928 	ps->performance_level_count = index + 1;
3929 
3930 	pl->sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
3931 	pl->sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
3932 	pl->mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
3933 	pl->mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
3934 
3935 	pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
3936 	pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
3937 	pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);
3938 
3939 	/* patch up vddc if necessary */
3940 	if (pl->vddc == 0xff01) {
3941 		if (pi->max_vddc)
3942 			pl->vddc = pi->max_vddc;
3943 	}
3944 
3945 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
3946 		pi->acpi_vddc = pl->vddc;
3947 		eg_pi->acpi_vddci = pl->vddci;
3948 		if (ps->performance_levels[0].flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2)
3949 			pi->acpi_pcie_gen2 = true;
3950 		else
3951 			pi->acpi_pcie_gen2 = false;
3952 	}
3953 
3954 	if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
3955 		eg_pi->ulv.supported = true;
3956 		eg_pi->ulv.pl = pl;
3957 	}
3958 
3959 	if (pi->min_vddc_in_table > pl->vddc)
3960 		pi->min_vddc_in_table = pl->vddc;
3961 
3962 	if (pi->max_vddc_in_table < pl->vddc)
3963 		pi->max_vddc_in_table = pl->vddc;
3964 
3965 	/* patch up boot state */
3966 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
3967 		u16 vddc, vddci, mvdd;
3968 		radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
3969 		pl->mclk = rdev->clock.default_mclk;
3970 		pl->sclk = rdev->clock.default_sclk;
3971 		pl->vddc = vddc;
3972 		pl->vddci = vddci;
3973 	}
3974 
3975 	if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
3976 	    ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
3977 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
3978 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
3979 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
3980 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
3981 	}
3982 }
3983 
3984 static int ni_parse_power_table(struct radeon_device *rdev)
3985 {
3986 	struct radeon_mode_info *mode_info = &rdev->mode_info;
3987 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
3988 	union pplib_power_state *power_state;
3989 	int i, j;
3990 	union pplib_clock_info *clock_info;
3991 	union power_info *power_info;
3992 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
3993 	u16 data_offset;
3994 	u8 frev, crev;
3995 	struct ni_ps *ps;
3996 
3997 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
3998 				   &frev, &crev, &data_offset))
3999 		return -EINVAL;
4000 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
4001 
4002 	rdev->pm.dpm.ps = kcalloc(power_info->pplib.ucNumStates,
4003 				  sizeof(struct radeon_ps),
4004 				  GFP_KERNEL);
4005 	if (!rdev->pm.dpm.ps)
4006 		return -ENOMEM;
4007 
4008 	for (i = 0; i < power_info->pplib.ucNumStates; i++) {
4009 		power_state = (union pplib_power_state *)
4010 			(mode_info->atom_context->bios + data_offset +
4011 			 le16_to_cpu(power_info->pplib.usStateArrayOffset) +
4012 			 i * power_info->pplib.ucStateEntrySize);
4013 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
4014 			(mode_info->atom_context->bios + data_offset +
4015 			 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
4016 			 (power_state->v1.ucNonClockStateIndex *
4017 			  power_info->pplib.ucNonClockSize));
4018 		if (power_info->pplib.ucStateEntrySize - 1) {
4019 			u8 *idx;
4020 			ps = kzalloc(sizeof(struct ni_ps), GFP_KERNEL);
4021 			if (ps == NULL) {
4022 				kfree(rdev->pm.dpm.ps);
4023 				return -ENOMEM;
4024 			}
4025 			rdev->pm.dpm.ps[i].ps_priv = ps;
4026 			ni_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
4027 							 non_clock_info,
4028 							 power_info->pplib.ucNonClockSize);
4029 			idx = (u8 *)&power_state->v1.ucClockStateIndices[0];
4030 			for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
4031 				clock_info = (union pplib_clock_info *)
4032 					(mode_info->atom_context->bios + data_offset +
4033 					 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
4034 					 (idx[j] * power_info->pplib.ucClockInfoSize));
4035 				ni_parse_pplib_clock_info(rdev,
4036 							  &rdev->pm.dpm.ps[i], j,
4037 							  clock_info);
4038 			}
4039 		}
4040 	}
4041 	rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
4042 	return 0;
4043 }
4044 
4045 int ni_dpm_init(struct radeon_device *rdev)
4046 {
4047 	struct rv7xx_power_info *pi;
4048 	struct evergreen_power_info *eg_pi;
4049 	struct ni_power_info *ni_pi;
4050 	struct atom_clock_dividers dividers;
4051 	int ret;
4052 
4053 	ni_pi = kzalloc(sizeof(struct ni_power_info), GFP_KERNEL);
4054 	if (ni_pi == NULL)
4055 		return -ENOMEM;
4056 	rdev->pm.dpm.priv = ni_pi;
4057 	eg_pi = &ni_pi->eg;
4058 	pi = &eg_pi->rv7xx;
4059 
4060 	rv770_get_max_vddc(rdev);
4061 
4062 	eg_pi->ulv.supported = false;
4063 	pi->acpi_vddc = 0;
4064 	eg_pi->acpi_vddci = 0;
4065 	pi->min_vddc_in_table = 0;
4066 	pi->max_vddc_in_table = 0;
4067 
4068 	ret = r600_get_platform_caps(rdev);
4069 	if (ret)
4070 		return ret;
4071 
4072 	ret = ni_parse_power_table(rdev);
4073 	if (ret)
4074 		return ret;
4075 	ret = r600_parse_extended_power_table(rdev);
4076 	if (ret)
4077 		return ret;
4078 
4079 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
4080 		kcalloc(4,
4081 			sizeof(struct radeon_clock_voltage_dependency_entry),
4082 			GFP_KERNEL);
4083 	if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
4084 		r600_free_extended_power_table(rdev);
4085 		return -ENOMEM;
4086 	}
4087 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
4088 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
4089 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
4090 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
4091 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720;
4092 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
4093 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810;
4094 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
4095 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900;
4096 
4097 	ni_patch_dependency_tables_based_on_leakage(rdev);
4098 
4099 	if (rdev->pm.dpm.voltage_response_time == 0)
4100 		rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
4101 	if (rdev->pm.dpm.backbias_response_time == 0)
4102 		rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
4103 
4104 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
4105 					     0, false, &dividers);
4106 	if (ret)
4107 		pi->ref_div = dividers.ref_div + 1;
4108 	else
4109 		pi->ref_div = R600_REFERENCEDIVIDER_DFLT;
4110 
4111 	pi->rlp = RV770_RLP_DFLT;
4112 	pi->rmp = RV770_RMP_DFLT;
4113 	pi->lhp = RV770_LHP_DFLT;
4114 	pi->lmp = RV770_LMP_DFLT;
4115 
4116 	eg_pi->ats[0].rlp = RV770_RLP_DFLT;
4117 	eg_pi->ats[0].rmp = RV770_RMP_DFLT;
4118 	eg_pi->ats[0].lhp = RV770_LHP_DFLT;
4119 	eg_pi->ats[0].lmp = RV770_LMP_DFLT;
4120 
4121 	eg_pi->ats[1].rlp = BTC_RLP_UVD_DFLT;
4122 	eg_pi->ats[1].rmp = BTC_RMP_UVD_DFLT;
4123 	eg_pi->ats[1].lhp = BTC_LHP_UVD_DFLT;
4124 	eg_pi->ats[1].lmp = BTC_LMP_UVD_DFLT;
4125 
4126 	eg_pi->smu_uvd_hs = true;
4127 
4128 	if (rdev->pdev->device == 0x6707) {
4129 		pi->mclk_strobe_mode_threshold = 55000;
4130 		pi->mclk_edc_enable_threshold = 55000;
4131 		eg_pi->mclk_edc_wr_enable_threshold = 55000;
4132 	} else {
4133 		pi->mclk_strobe_mode_threshold = 40000;
4134 		pi->mclk_edc_enable_threshold = 40000;
4135 		eg_pi->mclk_edc_wr_enable_threshold = 40000;
4136 	}
4137 	ni_pi->mclk_rtt_mode_threshold = eg_pi->mclk_edc_wr_enable_threshold;
4138 
4139 	pi->voltage_control =
4140 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
4141 
4142 	pi->mvdd_control =
4143 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
4144 
4145 	eg_pi->vddci_control =
4146 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
4147 
4148 	rv770_get_engine_memory_ss(rdev);
4149 
4150 	pi->asi = RV770_ASI_DFLT;
4151 	pi->pasi = CYPRESS_HASI_DFLT;
4152 	pi->vrc = CYPRESS_VRC_DFLT;
4153 
4154 	pi->power_gating = false;
4155 
4156 	pi->gfx_clock_gating = true;
4157 
4158 	pi->mg_clock_gating = true;
4159 	pi->mgcgtssm = true;
4160 	eg_pi->ls_clock_gating = false;
4161 	eg_pi->sclk_deep_sleep = false;
4162 
4163 	pi->dynamic_pcie_gen2 = true;
4164 
4165 	if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
4166 		pi->thermal_protection = true;
4167 	else
4168 		pi->thermal_protection = false;
4169 
4170 	pi->display_gap = true;
4171 
4172 	pi->dcodt = true;
4173 
4174 	pi->ulps = true;
4175 
4176 	eg_pi->dynamic_ac_timing = true;
4177 	eg_pi->abm = true;
4178 	eg_pi->mcls = true;
4179 	eg_pi->light_sleep = true;
4180 	eg_pi->memory_transition = true;
4181 #if defined(CONFIG_ACPI)
4182 	eg_pi->pcie_performance_request =
4183 		radeon_acpi_is_pcie_performance_request_supported(rdev);
4184 #else
4185 	eg_pi->pcie_performance_request = false;
4186 #endif
4187 
4188 	eg_pi->dll_default_on = false;
4189 
4190 	eg_pi->sclk_deep_sleep = false;
4191 
4192 	pi->mclk_stutter_mode_threshold = 0;
4193 
4194 	pi->sram_end = SMC_RAM_END;
4195 
4196 	rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 3;
4197 	rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
4198 	rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2 = 900;
4199 	rdev->pm.dpm.dyn_state.valid_sclk_values.count = ARRAY_SIZE(btc_valid_sclk);
4200 	rdev->pm.dpm.dyn_state.valid_sclk_values.values = btc_valid_sclk;
4201 	rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
4202 	rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
4203 	rdev->pm.dpm.dyn_state.sclk_mclk_delta = 12500;
4204 
4205 	ni_pi->cac_data.leakage_coefficients.at = 516;
4206 	ni_pi->cac_data.leakage_coefficients.bt = 18;
4207 	ni_pi->cac_data.leakage_coefficients.av = 51;
4208 	ni_pi->cac_data.leakage_coefficients.bv = 2957;
4209 
4210 	switch (rdev->pdev->device) {
4211 	case 0x6700:
4212 	case 0x6701:
4213 	case 0x6702:
4214 	case 0x6703:
4215 	case 0x6718:
4216 		ni_pi->cac_weights = &cac_weights_cayman_xt;
4217 		break;
4218 	case 0x6705:
4219 	case 0x6719:
4220 	case 0x671D:
4221 	case 0x671C:
4222 	default:
4223 		ni_pi->cac_weights = &cac_weights_cayman_pro;
4224 		break;
4225 	case 0x6704:
4226 	case 0x6706:
4227 	case 0x6707:
4228 	case 0x6708:
4229 	case 0x6709:
4230 		ni_pi->cac_weights = &cac_weights_cayman_le;
4231 		break;
4232 	}
4233 
4234 	if (ni_pi->cac_weights->enable_power_containment_by_default) {
4235 		ni_pi->enable_power_containment = true;
4236 		ni_pi->enable_cac = true;
4237 		ni_pi->enable_sq_ramping = true;
4238 	} else {
4239 		ni_pi->enable_power_containment = false;
4240 		ni_pi->enable_cac = false;
4241 		ni_pi->enable_sq_ramping = false;
4242 	}
4243 
4244 	ni_pi->driver_calculate_cac_leakage = false;
4245 	ni_pi->cac_configuration_required = true;
4246 
4247 	if (ni_pi->cac_configuration_required) {
4248 		ni_pi->support_cac_long_term_average = true;
4249 		ni_pi->lta_window_size = ni_pi->cac_weights->l2_lta_window_size;
4250 		ni_pi->lts_truncate = ni_pi->cac_weights->lts_truncate;
4251 	} else {
4252 		ni_pi->support_cac_long_term_average = false;
4253 		ni_pi->lta_window_size = 0;
4254 		ni_pi->lts_truncate = 0;
4255 	}
4256 
4257 	ni_pi->use_power_boost_limit = true;
4258 
4259 	/* make sure dc limits are valid */
4260 	if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
4261 	    (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
4262 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
4263 			rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4264 
4265 	return 0;
4266 }
4267 
4268 void ni_dpm_fini(struct radeon_device *rdev)
4269 {
4270 	int i;
4271 
4272 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
4273 		kfree(rdev->pm.dpm.ps[i].ps_priv);
4274 	}
4275 	kfree(rdev->pm.dpm.ps);
4276 	kfree(rdev->pm.dpm.priv);
4277 	kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
4278 	r600_free_extended_power_table(rdev);
4279 }
4280 
4281 void ni_dpm_print_power_state(struct radeon_device *rdev,
4282 			      struct radeon_ps *rps)
4283 {
4284 	struct ni_ps *ps = ni_get_ps(rps);
4285 	struct rv7xx_pl *pl;
4286 	int i;
4287 
4288 	r600_dpm_print_class_info(rps->class, rps->class2);
4289 	r600_dpm_print_cap_info(rps->caps);
4290 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
4291 	for (i = 0; i < ps->performance_level_count; i++) {
4292 		pl = &ps->performance_levels[i];
4293 		if (rdev->family >= CHIP_TAHITI)
4294 			printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u pcie gen: %u\n",
4295 			       i, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1);
4296 		else
4297 			printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
4298 			       i, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
4299 	}
4300 	r600_dpm_print_ps_status(rdev, rps);
4301 }
4302 
4303 void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
4304 						    struct seq_file *m)
4305 {
4306 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4307 	struct radeon_ps *rps = &eg_pi->current_rps;
4308 	struct ni_ps *ps = ni_get_ps(rps);
4309 	struct rv7xx_pl *pl;
4310 	u32 current_index =
4311 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4312 		CURRENT_STATE_INDEX_SHIFT;
4313 
4314 	if (current_index >= ps->performance_level_count) {
4315 		seq_printf(m, "invalid dpm profile %d\n", current_index);
4316 	} else {
4317 		pl = &ps->performance_levels[current_index];
4318 		seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
4319 		seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
4320 			   current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
4321 	}
4322 }
4323 
4324 u32 ni_dpm_get_current_sclk(struct radeon_device *rdev)
4325 {
4326 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4327 	struct radeon_ps *rps = &eg_pi->current_rps;
4328 	struct ni_ps *ps = ni_get_ps(rps);
4329 	struct rv7xx_pl *pl;
4330 	u32 current_index =
4331 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4332 		CURRENT_STATE_INDEX_SHIFT;
4333 
4334 	if (current_index >= ps->performance_level_count) {
4335 		return 0;
4336 	} else {
4337 		pl = &ps->performance_levels[current_index];
4338 		return pl->sclk;
4339 	}
4340 }
4341 
4342 u32 ni_dpm_get_current_mclk(struct radeon_device *rdev)
4343 {
4344 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4345 	struct radeon_ps *rps = &eg_pi->current_rps;
4346 	struct ni_ps *ps = ni_get_ps(rps);
4347 	struct rv7xx_pl *pl;
4348 	u32 current_index =
4349 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
4350 		CURRENT_STATE_INDEX_SHIFT;
4351 
4352 	if (current_index >= ps->performance_level_count) {
4353 		return 0;
4354 	} else {
4355 		pl = &ps->performance_levels[current_index];
4356 		return pl->mclk;
4357 	}
4358 }
4359 
4360 u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low)
4361 {
4362 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4363 	struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);
4364 
4365 	if (low)
4366 		return requested_state->performance_levels[0].sclk;
4367 	else
4368 		return requested_state->performance_levels[requested_state->performance_level_count - 1].sclk;
4369 }
4370 
4371 u32 ni_dpm_get_mclk(struct radeon_device *rdev, bool low)
4372 {
4373 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
4374 	struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);
4375 
4376 	if (low)
4377 		return requested_state->performance_levels[0].mclk;
4378 	else
4379 		return requested_state->performance_levels[requested_state->performance_level_count - 1].mclk;
4380 }
4381 
4382