1/*
2 * Copyright 2012 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <drm/drmP.h>
25#include "radeon.h"
26#include "radeon_asic.h"
27#include "nid.h"
28#include "r600_dpm.h"
29#include "ni_dpm.h"
30#include "atom.h"
31#include <linux/math64.h>
32#include <linux/seq_file.h>
33
34#define MC_CG_ARB_FREQ_F0 0x0a
35#define MC_CG_ARB_FREQ_F1 0x0b
36#define MC_CG_ARB_FREQ_F2 0x0c
37#define MC_CG_ARB_FREQ_F3 0x0d
38
39#define SMC_RAM_END 0xC000
40
41static const struct ni_cac_weights cac_weights_cayman_xt =
42{
43 0x15,
44 0x2,
45 0x19,
46 0x2,
47 0x8,
48 0x14,
49 0x2,
50 0x16,
51 0xE,
52 0x17,
53 0x13,
54 0x2B,
55 0x10,
56 0x7,
57 0x5,
58 0x5,
59 0x5,
60 0x2,
61 0x3,
62 0x9,
63 0x10,
64 0x10,
65 0x2B,
66 0xA,
67 0x9,
68 0x4,
69 0xD,
70 0xD,
71 0x3E,
72 0x18,
73 0x14,
74 0,
75 0x3,
76 0x3,
77 0x5,
78 0,
79 0x2,
80 0,
81 0,
82 0,
83 0,
84 0,
85 0,
86 0,
87 0,
88 0,
89 0x1CC,
90 0,
91 0x164,
92 1,
93 1,
94 1,
95 1,
96 12,
97 12,
98 12,
99 0x12,
100 0x1F,
101 132,
102 5,
103 7,
104 0,
105 { 0, 0, 0, 0, 0, 0, 0, 0 },
106 { 0, 0, 0, 0 },
107 true
108};
109
110static const struct ni_cac_weights cac_weights_cayman_pro =
111{
112 0x16,
113 0x4,
114 0x10,
115 0x2,
116 0xA,
117 0x16,
118 0x2,
119 0x18,
120 0x10,
121 0x1A,
122 0x16,
123 0x2D,
124 0x12,
125 0xA,
126 0x6,
127 0x6,
128 0x6,
129 0x2,
130 0x4,
131 0xB,
132 0x11,
133 0x11,
134 0x2D,
135 0xC,
136 0xC,
137 0x7,
138 0x10,
139 0x10,
140 0x3F,
141 0x1A,
142 0x16,
143 0,
144 0x7,
145 0x4,
146 0x6,
147 1,
148 0x2,
149 0x1,
150 0,
151 0,
152 0,
153 0,
154 0,
155 0,
156 0x30,
157 0,
158 0x1CF,
159 0,
160 0x166,
161 1,
162 1,
163 1,
164 1,
165 12,
166 12,
167 12,
168 0x15,
169 0x1F,
170 132,
171 6,
172 6,
173 0,
174 { 0, 0, 0, 0, 0, 0, 0, 0 },
175 { 0, 0, 0, 0 },
176 true
177};
178
179static const struct ni_cac_weights cac_weights_cayman_le =
180{
181 0x7,
182 0xE,
183 0x1,
184 0xA,
185 0x1,
186 0x3F,
187 0x2,
188 0x18,
189 0x10,
190 0x1A,
191 0x1,
192 0x3F,
193 0x1,
194 0xE,
195 0x6,
196 0x6,
197 0x6,
198 0x2,
199 0x4,
200 0x9,
201 0x1A,
202 0x1A,
203 0x2C,
204 0xA,
205 0x11,
206 0x8,
207 0x19,
208 0x19,
209 0x1,
210 0x1,
211 0x1A,
212 0,
213 0x8,
214 0x5,
215 0x8,
216 0x1,
217 0x3,
218 0x1,
219 0,
220 0,
221 0,
222 0,
223 0,
224 0,
225 0x38,
226 0x38,
227 0x239,
228 0x3,
229 0x18A,
230 1,
231 1,
232 1,
233 1,
234 12,
235 12,
236 12,
237 0x15,
238 0x22,
239 132,
240 6,
241 6,
242 0,
243 { 0, 0, 0, 0, 0, 0, 0, 0 },
244 { 0, 0, 0, 0 },
245 true
246};
247
248#define NISLANDS_MGCG_SEQUENCE 300
249
250static const u32 cayman_cgcg_cgls_default[] =
251{
252 0x000008f8, 0x00000010, 0xffffffff,
253 0x000008fc, 0x00000000, 0xffffffff,
254 0x000008f8, 0x00000011, 0xffffffff,
255 0x000008fc, 0x00000000, 0xffffffff,
256 0x000008f8, 0x00000012, 0xffffffff,
257 0x000008fc, 0x00000000, 0xffffffff,
258 0x000008f8, 0x00000013, 0xffffffff,
259 0x000008fc, 0x00000000, 0xffffffff,
260 0x000008f8, 0x00000014, 0xffffffff,
261 0x000008fc, 0x00000000, 0xffffffff,
262 0x000008f8, 0x00000015, 0xffffffff,
263 0x000008fc, 0x00000000, 0xffffffff,
264 0x000008f8, 0x00000016, 0xffffffff,
265 0x000008fc, 0x00000000, 0xffffffff,
266 0x000008f8, 0x00000017, 0xffffffff,
267 0x000008fc, 0x00000000, 0xffffffff,
268 0x000008f8, 0x00000018, 0xffffffff,
269 0x000008fc, 0x00000000, 0xffffffff,
270 0x000008f8, 0x00000019, 0xffffffff,
271 0x000008fc, 0x00000000, 0xffffffff,
272 0x000008f8, 0x0000001a, 0xffffffff,
273 0x000008fc, 0x00000000, 0xffffffff,
274 0x000008f8, 0x0000001b, 0xffffffff,
275 0x000008fc, 0x00000000, 0xffffffff,
276 0x000008f8, 0x00000020, 0xffffffff,
277 0x000008fc, 0x00000000, 0xffffffff,
278 0x000008f8, 0x00000021, 0xffffffff,
279 0x000008fc, 0x00000000, 0xffffffff,
280 0x000008f8, 0x00000022, 0xffffffff,
281 0x000008fc, 0x00000000, 0xffffffff,
282 0x000008f8, 0x00000023, 0xffffffff,
283 0x000008fc, 0x00000000, 0xffffffff,
284 0x000008f8, 0x00000024, 0xffffffff,
285 0x000008fc, 0x00000000, 0xffffffff,
286 0x000008f8, 0x00000025, 0xffffffff,
287 0x000008fc, 0x00000000, 0xffffffff,
288 0x000008f8, 0x00000026, 0xffffffff,
289 0x000008fc, 0x00000000, 0xffffffff,
290 0x000008f8, 0x00000027, 0xffffffff,
291 0x000008fc, 0x00000000, 0xffffffff,
292 0x000008f8, 0x00000028, 0xffffffff,
293 0x000008fc, 0x00000000, 0xffffffff,
294 0x000008f8, 0x00000029, 0xffffffff,
295 0x000008fc, 0x00000000, 0xffffffff,
296 0x000008f8, 0x0000002a, 0xffffffff,
297 0x000008fc, 0x00000000, 0xffffffff,
298 0x000008f8, 0x0000002b, 0xffffffff,
299 0x000008fc, 0x00000000, 0xffffffff
300};
301#define CAYMAN_CGCG_CGLS_DEFAULT_LENGTH sizeof(cayman_cgcg_cgls_default) / (3 * sizeof(u32))
302
303static const u32 cayman_cgcg_cgls_disable[] =
304{
305 0x000008f8, 0x00000010, 0xffffffff,
306 0x000008fc, 0xffffffff, 0xffffffff,
307 0x000008f8, 0x00000011, 0xffffffff,
308 0x000008fc, 0xffffffff, 0xffffffff,
309 0x000008f8, 0x00000012, 0xffffffff,
310 0x000008fc, 0xffffffff, 0xffffffff,
311 0x000008f8, 0x00000013, 0xffffffff,
312 0x000008fc, 0xffffffff, 0xffffffff,
313 0x000008f8, 0x00000014, 0xffffffff,
314 0x000008fc, 0xffffffff, 0xffffffff,
315 0x000008f8, 0x00000015, 0xffffffff,
316 0x000008fc, 0xffffffff, 0xffffffff,
317 0x000008f8, 0x00000016, 0xffffffff,
318 0x000008fc, 0xffffffff, 0xffffffff,
319 0x000008f8, 0x00000017, 0xffffffff,
320 0x000008fc, 0xffffffff, 0xffffffff,
321 0x000008f8, 0x00000018, 0xffffffff,
322 0x000008fc, 0xffffffff, 0xffffffff,
323 0x000008f8, 0x00000019, 0xffffffff,
324 0x000008fc, 0xffffffff, 0xffffffff,
325 0x000008f8, 0x0000001a, 0xffffffff,
326 0x000008fc, 0xffffffff, 0xffffffff,
327 0x000008f8, 0x0000001b, 0xffffffff,
328 0x000008fc, 0xffffffff, 0xffffffff,
329 0x000008f8, 0x00000020, 0xffffffff,
330 0x000008fc, 0x00000000, 0xffffffff,
331 0x000008f8, 0x00000021, 0xffffffff,
332 0x000008fc, 0x00000000, 0xffffffff,
333 0x000008f8, 0x00000022, 0xffffffff,
334 0x000008fc, 0x00000000, 0xffffffff,
335 0x000008f8, 0x00000023, 0xffffffff,
336 0x000008fc, 0x00000000, 0xffffffff,
337 0x000008f8, 0x00000024, 0xffffffff,
338 0x000008fc, 0x00000000, 0xffffffff,
339 0x000008f8, 0x00000025, 0xffffffff,
340 0x000008fc, 0x00000000, 0xffffffff,
341 0x000008f8, 0x00000026, 0xffffffff,
342 0x000008fc, 0x00000000, 0xffffffff,
343 0x000008f8, 0x00000027, 0xffffffff,
344 0x000008fc, 0x00000000, 0xffffffff,
345 0x000008f8, 0x00000028, 0xffffffff,
346 0x000008fc, 0x00000000, 0xffffffff,
347 0x000008f8, 0x00000029, 0xffffffff,
348 0x000008fc, 0x00000000, 0xffffffff,
349 0x000008f8, 0x0000002a, 0xffffffff,
350 0x000008fc, 0x00000000, 0xffffffff,
351 0x000008f8, 0x0000002b, 0xffffffff,
352 0x000008fc, 0x00000000, 0xffffffff,
353 0x00000644, 0x000f7902, 0x001f4180,
354 0x00000644, 0x000f3802, 0x001f4180
355};
356#define CAYMAN_CGCG_CGLS_DISABLE_LENGTH sizeof(cayman_cgcg_cgls_disable) / (3 * sizeof(u32))
357
358static const u32 cayman_cgcg_cgls_enable[] =
359{
360 0x00000644, 0x000f7882, 0x001f4080,
361 0x000008f8, 0x00000010, 0xffffffff,
362 0x000008fc, 0x00000000, 0xffffffff,
363 0x000008f8, 0x00000011, 0xffffffff,
364 0x000008fc, 0x00000000, 0xffffffff,
365 0x000008f8, 0x00000012, 0xffffffff,
366 0x000008fc, 0x00000000, 0xffffffff,
367 0x000008f8, 0x00000013, 0xffffffff,
368 0x000008fc, 0x00000000, 0xffffffff,
369 0x000008f8, 0x00000014, 0xffffffff,
370 0x000008fc, 0x00000000, 0xffffffff,
371 0x000008f8, 0x00000015, 0xffffffff,
372 0x000008fc, 0x00000000, 0xffffffff,
373 0x000008f8, 0x00000016, 0xffffffff,
374 0x000008fc, 0x00000000, 0xffffffff,
375 0x000008f8, 0x00000017, 0xffffffff,
376 0x000008fc, 0x00000000, 0xffffffff,
377 0x000008f8, 0x00000018, 0xffffffff,
378 0x000008fc, 0x00000000, 0xffffffff,
379 0x000008f8, 0x00000019, 0xffffffff,
380 0x000008fc, 0x00000000, 0xffffffff,
381 0x000008f8, 0x0000001a, 0xffffffff,
382 0x000008fc, 0x00000000, 0xffffffff,
383 0x000008f8, 0x0000001b, 0xffffffff,
384 0x000008fc, 0x00000000, 0xffffffff,
385 0x000008f8, 0x00000020, 0xffffffff,
386 0x000008fc, 0xffffffff, 0xffffffff,
387 0x000008f8, 0x00000021, 0xffffffff,
388 0x000008fc, 0xffffffff, 0xffffffff,
389 0x000008f8, 0x00000022, 0xffffffff,
390 0x000008fc, 0xffffffff, 0xffffffff,
391 0x000008f8, 0x00000023, 0xffffffff,
392 0x000008fc, 0xffffffff, 0xffffffff,
393 0x000008f8, 0x00000024, 0xffffffff,
394 0x000008fc, 0xffffffff, 0xffffffff,
395 0x000008f8, 0x00000025, 0xffffffff,
396 0x000008fc, 0xffffffff, 0xffffffff,
397 0x000008f8, 0x00000026, 0xffffffff,
398 0x000008fc, 0xffffffff, 0xffffffff,
399 0x000008f8, 0x00000027, 0xffffffff,
400 0x000008fc, 0xffffffff, 0xffffffff,
401 0x000008f8, 0x00000028, 0xffffffff,
402 0x000008fc, 0xffffffff, 0xffffffff,
403 0x000008f8, 0x00000029, 0xffffffff,
404 0x000008fc, 0xffffffff, 0xffffffff,
405 0x000008f8, 0x0000002a, 0xffffffff,
406 0x000008fc, 0xffffffff, 0xffffffff,
407 0x000008f8, 0x0000002b, 0xffffffff,
408 0x000008fc, 0xffffffff, 0xffffffff
409};
410#define CAYMAN_CGCG_CGLS_ENABLE_LENGTH sizeof(cayman_cgcg_cgls_enable) / (3 * sizeof(u32))
411
412static const u32 cayman_mgcg_default[] =
413{
414 0x0000802c, 0xc0000000, 0xffffffff,
415 0x00003fc4, 0xc0000000, 0xffffffff,
416 0x00005448, 0x00000100, 0xffffffff,
417 0x000055e4, 0x00000100, 0xffffffff,
418 0x0000160c, 0x00000100, 0xffffffff,
419 0x00008984, 0x06000100, 0xffffffff,
420 0x0000c164, 0x00000100, 0xffffffff,
421 0x00008a18, 0x00000100, 0xffffffff,
422 0x0000897c, 0x06000100, 0xffffffff,
423 0x00008b28, 0x00000100, 0xffffffff,
424 0x00009144, 0x00800200, 0xffffffff,
425 0x00009a60, 0x00000100, 0xffffffff,
426 0x00009868, 0x00000100, 0xffffffff,
427 0x00008d58, 0x00000100, 0xffffffff,
428 0x00009510, 0x00000100, 0xffffffff,
429 0x0000949c, 0x00000100, 0xffffffff,
430 0x00009654, 0x00000100, 0xffffffff,
431 0x00009030, 0x00000100, 0xffffffff,
432 0x00009034, 0x00000100, 0xffffffff,
433 0x00009038, 0x00000100, 0xffffffff,
434 0x0000903c, 0x00000100, 0xffffffff,
435 0x00009040, 0x00000100, 0xffffffff,
436 0x0000a200, 0x00000100, 0xffffffff,
437 0x0000a204, 0x00000100, 0xffffffff,
438 0x0000a208, 0x00000100, 0xffffffff,
439 0x0000a20c, 0x00000100, 0xffffffff,
440 0x00009744, 0x00000100, 0xffffffff,
441 0x00003f80, 0x00000100, 0xffffffff,
442 0x0000a210, 0x00000100, 0xffffffff,
443 0x0000a214, 0x00000100, 0xffffffff,
444 0x000004d8, 0x00000100, 0xffffffff,
445 0x00009664, 0x00000100, 0xffffffff,
446 0x00009698, 0x00000100, 0xffffffff,
447 0x000004d4, 0x00000200, 0xffffffff,
448 0x000004d0, 0x00000000, 0xffffffff,
449 0x000030cc, 0x00000104, 0xffffffff,
450 0x0000d0c0, 0x00000100, 0xffffffff,
451 0x0000d8c0, 0x00000100, 0xffffffff,
452 0x0000802c, 0x40000000, 0xffffffff,
453 0x00003fc4, 0x40000000, 0xffffffff,
454 0x0000915c, 0x00010000, 0xffffffff,
455 0x00009160, 0x00030002, 0xffffffff,
456 0x00009164, 0x00050004, 0xffffffff,
457 0x00009168, 0x00070006, 0xffffffff,
458 0x00009178, 0x00070000, 0xffffffff,
459 0x0000917c, 0x00030002, 0xffffffff,
460 0x00009180, 0x00050004, 0xffffffff,
461 0x0000918c, 0x00010006, 0xffffffff,
462 0x00009190, 0x00090008, 0xffffffff,
463 0x00009194, 0x00070000, 0xffffffff,
464 0x00009198, 0x00030002, 0xffffffff,
465 0x0000919c, 0x00050004, 0xffffffff,
466 0x000091a8, 0x00010006, 0xffffffff,
467 0x000091ac, 0x00090008, 0xffffffff,
468 0x000091b0, 0x00070000, 0xffffffff,
469 0x000091b4, 0x00030002, 0xffffffff,
470 0x000091b8, 0x00050004, 0xffffffff,
471 0x000091c4, 0x00010006, 0xffffffff,
472 0x000091c8, 0x00090008, 0xffffffff,
473 0x000091cc, 0x00070000, 0xffffffff,
474 0x000091d0, 0x00030002, 0xffffffff,
475 0x000091d4, 0x00050004, 0xffffffff,
476 0x000091e0, 0x00010006, 0xffffffff,
477 0x000091e4, 0x00090008, 0xffffffff,
478 0x000091e8, 0x00000000, 0xffffffff,
479 0x000091ec, 0x00070000, 0xffffffff,
480 0x000091f0, 0x00030002, 0xffffffff,
481 0x000091f4, 0x00050004, 0xffffffff,
482 0x00009200, 0x00010006, 0xffffffff,
483 0x00009204, 0x00090008, 0xffffffff,
484 0x00009208, 0x00070000, 0xffffffff,
485 0x0000920c, 0x00030002, 0xffffffff,
486 0x00009210, 0x00050004, 0xffffffff,
487 0x0000921c, 0x00010006, 0xffffffff,
488 0x00009220, 0x00090008, 0xffffffff,
489 0x00009224, 0x00070000, 0xffffffff,
490 0x00009228, 0x00030002, 0xffffffff,
491 0x0000922c, 0x00050004, 0xffffffff,
492 0x00009238, 0x00010006, 0xffffffff,
493 0x0000923c, 0x00090008, 0xffffffff,
494 0x00009240, 0x00070000, 0xffffffff,
495 0x00009244, 0x00030002, 0xffffffff,
496 0x00009248, 0x00050004, 0xffffffff,
497 0x00009254, 0x00010006, 0xffffffff,
498 0x00009258, 0x00090008, 0xffffffff,
499 0x0000925c, 0x00070000, 0xffffffff,
500 0x00009260, 0x00030002, 0xffffffff,
501 0x00009264, 0x00050004, 0xffffffff,
502 0x00009270, 0x00010006, 0xffffffff,
503 0x00009274, 0x00090008, 0xffffffff,
504 0x00009278, 0x00070000, 0xffffffff,
505 0x0000927c, 0x00030002, 0xffffffff,
506 0x00009280, 0x00050004, 0xffffffff,
507 0x0000928c, 0x00010006, 0xffffffff,
508 0x00009290, 0x00090008, 0xffffffff,
509 0x000092a8, 0x00070000, 0xffffffff,
510 0x000092ac, 0x00030002, 0xffffffff,
511 0x000092b0, 0x00050004, 0xffffffff,
512 0x000092bc, 0x00010006, 0xffffffff,
513 0x000092c0, 0x00090008, 0xffffffff,
514 0x000092c4, 0x00070000, 0xffffffff,
515 0x000092c8, 0x00030002, 0xffffffff,
516 0x000092cc, 0x00050004, 0xffffffff,
517 0x000092d8, 0x00010006, 0xffffffff,
518 0x000092dc, 0x00090008, 0xffffffff,
519 0x00009294, 0x00000000, 0xffffffff,
520 0x0000802c, 0x40010000, 0xffffffff,
521 0x00003fc4, 0x40010000, 0xffffffff,
522 0x0000915c, 0x00010000, 0xffffffff,
523 0x00009160, 0x00030002, 0xffffffff,
524 0x00009164, 0x00050004, 0xffffffff,
525 0x00009168, 0x00070006, 0xffffffff,
526 0x00009178, 0x00070000, 0xffffffff,
527 0x0000917c, 0x00030002, 0xffffffff,
528 0x00009180, 0x00050004, 0xffffffff,
529 0x0000918c, 0x00010006, 0xffffffff,
530 0x00009190, 0x00090008, 0xffffffff,
531 0x00009194, 0x00070000, 0xffffffff,
532 0x00009198, 0x00030002, 0xffffffff,
533 0x0000919c, 0x00050004, 0xffffffff,
534 0x000091a8, 0x00010006, 0xffffffff,
535 0x000091ac, 0x00090008, 0xffffffff,
536 0x000091b0, 0x00070000, 0xffffffff,
537 0x000091b4, 0x00030002, 0xffffffff,
538 0x000091b8, 0x00050004, 0xffffffff,
539 0x000091c4, 0x00010006, 0xffffffff,
540 0x000091c8, 0x00090008, 0xffffffff,
541 0x000091cc, 0x00070000, 0xffffffff,
542 0x000091d0, 0x00030002, 0xffffffff,
543 0x000091d4, 0x00050004, 0xffffffff,
544 0x000091e0, 0x00010006, 0xffffffff,
545 0x000091e4, 0x00090008, 0xffffffff,
546 0x000091e8, 0x00000000, 0xffffffff,
547 0x000091ec, 0x00070000, 0xffffffff,
548 0x000091f0, 0x00030002, 0xffffffff,
549 0x000091f4, 0x00050004, 0xffffffff,
550 0x00009200, 0x00010006, 0xffffffff,
551 0x00009204, 0x00090008, 0xffffffff,
552 0x00009208, 0x00070000, 0xffffffff,
553 0x0000920c, 0x00030002, 0xffffffff,
554 0x00009210, 0x00050004, 0xffffffff,
555 0x0000921c, 0x00010006, 0xffffffff,
556 0x00009220, 0x00090008, 0xffffffff,
557 0x00009224, 0x00070000, 0xffffffff,
558 0x00009228, 0x00030002, 0xffffffff,
559 0x0000922c, 0x00050004, 0xffffffff,
560 0x00009238, 0x00010006, 0xffffffff,
561 0x0000923c, 0x00090008, 0xffffffff,
562 0x00009240, 0x00070000, 0xffffffff,
563 0x00009244, 0x00030002, 0xffffffff,
564 0x00009248, 0x00050004, 0xffffffff,
565 0x00009254, 0x00010006, 0xffffffff,
566 0x00009258, 0x00090008, 0xffffffff,
567 0x0000925c, 0x00070000, 0xffffffff,
568 0x00009260, 0x00030002, 0xffffffff,
569 0x00009264, 0x00050004, 0xffffffff,
570 0x00009270, 0x00010006, 0xffffffff,
571 0x00009274, 0x00090008, 0xffffffff,
572 0x00009278, 0x00070000, 0xffffffff,
573 0x0000927c, 0x00030002, 0xffffffff,
574 0x00009280, 0x00050004, 0xffffffff,
575 0x0000928c, 0x00010006, 0xffffffff,
576 0x00009290, 0x00090008, 0xffffffff,
577 0x000092a8, 0x00070000, 0xffffffff,
578 0x000092ac, 0x00030002, 0xffffffff,
579 0x000092b0, 0x00050004, 0xffffffff,
580 0x000092bc, 0x00010006, 0xffffffff,
581 0x000092c0, 0x00090008, 0xffffffff,
582 0x000092c4, 0x00070000, 0xffffffff,
583 0x000092c8, 0x00030002, 0xffffffff,
584 0x000092cc, 0x00050004, 0xffffffff,
585 0x000092d8, 0x00010006, 0xffffffff,
586 0x000092dc, 0x00090008, 0xffffffff,
587 0x00009294, 0x00000000, 0xffffffff,
588 0x0000802c, 0xc0000000, 0xffffffff,
589 0x00003fc4, 0xc0000000, 0xffffffff,
590 0x000008f8, 0x00000010, 0xffffffff,
591 0x000008fc, 0x00000000, 0xffffffff,
592 0x000008f8, 0x00000011, 0xffffffff,
593 0x000008fc, 0x00000000, 0xffffffff,
594 0x000008f8, 0x00000012, 0xffffffff,
595 0x000008fc, 0x00000000, 0xffffffff,
596 0x000008f8, 0x00000013, 0xffffffff,
597 0x000008fc, 0x00000000, 0xffffffff,
598 0x000008f8, 0x00000014, 0xffffffff,
599 0x000008fc, 0x00000000, 0xffffffff,
600 0x000008f8, 0x00000015, 0xffffffff,
601 0x000008fc, 0x00000000, 0xffffffff,
602 0x000008f8, 0x00000016, 0xffffffff,
603 0x000008fc, 0x00000000, 0xffffffff,
604 0x000008f8, 0x00000017, 0xffffffff,
605 0x000008fc, 0x00000000, 0xffffffff,
606 0x000008f8, 0x00000018, 0xffffffff,
607 0x000008fc, 0x00000000, 0xffffffff,
608 0x000008f8, 0x00000019, 0xffffffff,
609 0x000008fc, 0x00000000, 0xffffffff,
610 0x000008f8, 0x0000001a, 0xffffffff,
611 0x000008fc, 0x00000000, 0xffffffff,
612 0x000008f8, 0x0000001b, 0xffffffff,
613 0x000008fc, 0x00000000, 0xffffffff
614};
615#define CAYMAN_MGCG_DEFAULT_LENGTH sizeof(cayman_mgcg_default) / (3 * sizeof(u32))
616
617static const u32 cayman_mgcg_disable[] =
618{
619 0x0000802c, 0xc0000000, 0xffffffff,
620 0x000008f8, 0x00000000, 0xffffffff,
621 0x000008fc, 0xffffffff, 0xffffffff,
622 0x000008f8, 0x00000001, 0xffffffff,
623 0x000008fc, 0xffffffff, 0xffffffff,
624 0x000008f8, 0x00000002, 0xffffffff,
625 0x000008fc, 0xffffffff, 0xffffffff,
626 0x000008f8, 0x00000003, 0xffffffff,
627 0x000008fc, 0xffffffff, 0xffffffff,
628 0x00009150, 0x00600000, 0xffffffff
629};
630#define CAYMAN_MGCG_DISABLE_LENGTH sizeof(cayman_mgcg_disable) / (3 * sizeof(u32))
631
632static const u32 cayman_mgcg_enable[] =
633{
634 0x0000802c, 0xc0000000, 0xffffffff,
635 0x000008f8, 0x00000000, 0xffffffff,
636 0x000008fc, 0x00000000, 0xffffffff,
637 0x000008f8, 0x00000001, 0xffffffff,
638 0x000008fc, 0x00000000, 0xffffffff,
639 0x000008f8, 0x00000002, 0xffffffff,
640 0x000008fc, 0x00600000, 0xffffffff,
641 0x000008f8, 0x00000003, 0xffffffff,
642 0x000008fc, 0x00000000, 0xffffffff,
643 0x00009150, 0x96944200, 0xffffffff
644};
645
646#define CAYMAN_MGCG_ENABLE_LENGTH sizeof(cayman_mgcg_enable) / (3 * sizeof(u32))
647
648#define NISLANDS_SYSLS_SEQUENCE 100
649
650static const u32 cayman_sysls_default[] =
651{
652 /* Register, Value, Mask bits */
653 0x000055e8, 0x00000000, 0xffffffff,
654 0x0000d0bc, 0x00000000, 0xffffffff,
655 0x0000d8bc, 0x00000000, 0xffffffff,
656 0x000015c0, 0x000c1401, 0xffffffff,
657 0x0000264c, 0x000c0400, 0xffffffff,
658 0x00002648, 0x000c0400, 0xffffffff,
659 0x00002650, 0x000c0400, 0xffffffff,
660 0x000020b8, 0x000c0400, 0xffffffff,
661 0x000020bc, 0x000c0400, 0xffffffff,
662 0x000020c0, 0x000c0c80, 0xffffffff,
663 0x0000f4a0, 0x000000c0, 0xffffffff,
664 0x0000f4a4, 0x00680fff, 0xffffffff,
665 0x00002f50, 0x00000404, 0xffffffff,
666 0x000004c8, 0x00000001, 0xffffffff,
667 0x000064ec, 0x00000000, 0xffffffff,
668 0x00000c7c, 0x00000000, 0xffffffff,
669 0x00008dfc, 0x00000000, 0xffffffff
670};
671#define CAYMAN_SYSLS_DEFAULT_LENGTH sizeof(cayman_sysls_default) / (3 * sizeof(u32))
672
673static const u32 cayman_sysls_disable[] =
674{
675 /* Register, Value, Mask bits */
676 0x0000d0c0, 0x00000000, 0xffffffff,
677 0x0000d8c0, 0x00000000, 0xffffffff,
678 0x000055e8, 0x00000000, 0xffffffff,
679 0x0000d0bc, 0x00000000, 0xffffffff,
680 0x0000d8bc, 0x00000000, 0xffffffff,
681 0x000015c0, 0x00041401, 0xffffffff,
682 0x0000264c, 0x00040400, 0xffffffff,
683 0x00002648, 0x00040400, 0xffffffff,
684 0x00002650, 0x00040400, 0xffffffff,
685 0x000020b8, 0x00040400, 0xffffffff,
686 0x000020bc, 0x00040400, 0xffffffff,
687 0x000020c0, 0x00040c80, 0xffffffff,
688 0x0000f4a0, 0x000000c0, 0xffffffff,
689 0x0000f4a4, 0x00680000, 0xffffffff,
690 0x00002f50, 0x00000404, 0xffffffff,
691 0x000004c8, 0x00000001, 0xffffffff,
692 0x000064ec, 0x00007ffd, 0xffffffff,
693 0x00000c7c, 0x0000ff00, 0xffffffff,
694 0x00008dfc, 0x0000007f, 0xffffffff
695};
696#define CAYMAN_SYSLS_DISABLE_LENGTH sizeof(cayman_sysls_disable) / (3 * sizeof(u32))
697
698static const u32 cayman_sysls_enable[] =
699{
700 /* Register, Value, Mask bits */
701 0x000055e8, 0x00000001, 0xffffffff,
702 0x0000d0bc, 0x00000100, 0xffffffff,
703 0x0000d8bc, 0x00000100, 0xffffffff,
704 0x000015c0, 0x000c1401, 0xffffffff,
705 0x0000264c, 0x000c0400, 0xffffffff,
706 0x00002648, 0x000c0400, 0xffffffff,
707 0x00002650, 0x000c0400, 0xffffffff,
708 0x000020b8, 0x000c0400, 0xffffffff,
709 0x000020bc, 0x000c0400, 0xffffffff,
710 0x000020c0, 0x000c0c80, 0xffffffff,
711 0x0000f4a0, 0x000000c0, 0xffffffff,
712 0x0000f4a4, 0x00680fff, 0xffffffff,
713 0x00002f50, 0x00000903, 0xffffffff,
714 0x000004c8, 0x00000000, 0xffffffff,
715 0x000064ec, 0x00000000, 0xffffffff,
716 0x00000c7c, 0x00000000, 0xffffffff,
717 0x00008dfc, 0x00000000, 0xffffffff
718};
719#define CAYMAN_SYSLS_ENABLE_LENGTH sizeof(cayman_sysls_enable) / (3 * sizeof(u32))
720
721struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
722struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev);
723
724extern int ni_mc_load_microcode(struct radeon_device *rdev);
725
726struct ni_power_info *ni_get_pi(struct radeon_device *rdev)
727{
728 struct ni_power_info *pi = rdev->pm.dpm.priv;
729
730 return pi;
731}
732
733struct ni_ps *ni_get_ps(struct radeon_ps *rps)
734{
735 struct ni_ps *ps = rps->ps_priv;
736
737 return ps;
738}
739
740static void ni_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coeffients *coeff,
741 u16 v, s32 t,
742 u32 ileakage,
743 u32 *leakage)
744{
745 s64 kt, kv, leakage_w, i_leakage, vddc, temperature;
746
747 i_leakage = div64_s64(drm_int2fixp(ileakage), 1000);
748 vddc = div64_s64(drm_int2fixp(v), 1000);
749 temperature = div64_s64(drm_int2fixp(t), 1000);
750
751 kt = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->at), 1000),
752 drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bt), 1000), temperature)));
753 kv = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->av), 1000),
754 drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bv), 1000), vddc)));
755
756 leakage_w = drm_fixp_mul(drm_fixp_mul(drm_fixp_mul(i_leakage, kt), kv), vddc);
757
758 *leakage = drm_fixp2int(leakage_w * 1000);
759}
760
761static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev,
762 const struct ni_leakage_coeffients *coeff,
763 u16 v,
764 s32 t,
765 u32 i_leakage,
766 u32 *leakage)
767{
768 ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage);
769}
770
771bool ni_dpm_vblank_too_short(struct radeon_device *rdev)
772{
773 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
774 u32 vblank_time = r600_dpm_get_vblank_time(rdev);
775 /* we never hit the non-gddr5 limit so disable it */
776 u32 switch_limit = pi->mem_gddr5 ? 450 : 0;
777
778 if (vblank_time < switch_limit)
779 return true;
780 else
781 return false;
782
783}
784
785static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
786 struct radeon_ps *rps)
787{
788 struct ni_ps *ps = ni_get_ps(rps);
789 struct radeon_clock_and_voltage_limits *max_limits;
790 bool disable_mclk_switching;
791 u32 mclk;
792 u16 vddci;
793 int i;
794
795 if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
796 ni_dpm_vblank_too_short(rdev))
797 disable_mclk_switching = true;
798 else
799 disable_mclk_switching = false;
800
801 if (rdev->pm.dpm.ac_power)
802 max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
803 else
804 max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
805
806 if (rdev->pm.dpm.ac_power == false) {
807 for (i = 0; i < ps->performance_level_count; i++) {
808 if (ps->performance_levels[i].mclk > max_limits->mclk)
809 ps->performance_levels[i].mclk = max_limits->mclk;
810 if (ps->performance_levels[i].sclk > max_limits->sclk)
811 ps->performance_levels[i].sclk = max_limits->sclk;
812 if (ps->performance_levels[i].vddc > max_limits->vddc)
813 ps->performance_levels[i].vddc = max_limits->vddc;
814 if (ps->performance_levels[i].vddci > max_limits->vddci)
815 ps->performance_levels[i].vddci = max_limits->vddci;
816 }
817 }
818
819 /* XXX validate the min clocks required for display */
820
821 /* adjust low state */
822 if (disable_mclk_switching) {
823 ps->performance_levels[0].mclk =
824 ps->performance_levels[ps->performance_level_count - 1].mclk;
825 ps->performance_levels[0].vddci =
826 ps->performance_levels[ps->performance_level_count - 1].vddci;
827 }
828
829 btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
830 &ps->performance_levels[0].sclk,
831 &ps->performance_levels[0].mclk);
832
833 for (i = 1; i < ps->performance_level_count; i++) {
834 if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
835 ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
836 if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
837 ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
838 }
839
840 /* adjust remaining states */
841 if (disable_mclk_switching) {
842 mclk = ps->performance_levels[0].mclk;
843 vddci = ps->performance_levels[0].vddci;
844 for (i = 1; i < ps->performance_level_count; i++) {
845 if (mclk < ps->performance_levels[i].mclk)
846 mclk = ps->performance_levels[i].mclk;
847 if (vddci < ps->performance_levels[i].vddci)
848 vddci = ps->performance_levels[i].vddci;
849 }
850 for (i = 0; i < ps->performance_level_count; i++) {
851 ps->performance_levels[i].mclk = mclk;
852 ps->performance_levels[i].vddci = vddci;
853 }
854 } else {
855 for (i = 1; i < ps->performance_level_count; i++) {
856 if (ps->performance_levels[i].mclk < ps->performance_levels[i - 1].mclk)
857 ps->performance_levels[i].mclk = ps->performance_levels[i - 1].mclk;
858 if (ps->performance_levels[i].vddci < ps->performance_levels[i - 1].vddci)
859 ps->performance_levels[i].vddci = ps->performance_levels[i - 1].vddci;
860 }
861 }
862
863 for (i = 1; i < ps->performance_level_count; i++)
864 btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
865 &ps->performance_levels[i].sclk,
866 &ps->performance_levels[i].mclk);
867
868 for (i = 0; i < ps->performance_level_count; i++)
869 btc_adjust_clock_combinations(rdev, max_limits,
870 &ps->performance_levels[i]);
871
872 for (i = 0; i < ps->performance_level_count; i++) {
873 btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
874 ps->performance_levels[i].sclk,
875 max_limits->vddc, &ps->performance_levels[i].vddc);
876 btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
877 ps->performance_levels[i].mclk,
878 max_limits->vddci, &ps->performance_levels[i].vddci);
879 btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
880 ps->performance_levels[i].mclk,
881 max_limits->vddc, &ps->performance_levels[i].vddc);
882 btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
883 rdev->clock.current_dispclk,
884 max_limits->vddc, &ps->performance_levels[i].vddc);
885 }
886
887 for (i = 0; i < ps->performance_level_count; i++) {
888 btc_apply_voltage_delta_rules(rdev,
889 max_limits->vddc, max_limits->vddci,
890 &ps->performance_levels[i].vddc,
891 &ps->performance_levels[i].vddci);
892 }
893
894 ps->dc_compatible = true;
895 for (i = 0; i < ps->performance_level_count; i++) {
896 if (ps->performance_levels[i].vddc > rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc)
897 ps->dc_compatible = false;
898
899 if (ps->performance_levels[i].vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
900 ps->performance_levels[i].flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
901 }
902}
903
904static void ni_cg_clockgating_default(struct radeon_device *rdev)
905{
906 u32 count;
907 const u32 *ps = NULL;
908
909 ps = (const u32 *)&cayman_cgcg_cgls_default;
910 count = CAYMAN_CGCG_CGLS_DEFAULT_LENGTH;
911
912 btc_program_mgcg_hw_sequence(rdev, ps, count);
913}
914
915static void ni_gfx_clockgating_enable(struct radeon_device *rdev,
916 bool enable)
917{
918 u32 count;
919 const u32 *ps = NULL;
920
921 if (enable) {
922 ps = (const u32 *)&cayman_cgcg_cgls_enable;
923 count = CAYMAN_CGCG_CGLS_ENABLE_LENGTH;
924 } else {
925 ps = (const u32 *)&cayman_cgcg_cgls_disable;
926 count = CAYMAN_CGCG_CGLS_DISABLE_LENGTH;
927 }
928
929 btc_program_mgcg_hw_sequence(rdev, ps, count);
930}
931
932static void ni_mg_clockgating_default(struct radeon_device *rdev)
933{
934 u32 count;
935 const u32 *ps = NULL;
936
937 ps = (const u32 *)&cayman_mgcg_default;
938 count = CAYMAN_MGCG_DEFAULT_LENGTH;
939
940 btc_program_mgcg_hw_sequence(rdev, ps, count);
941}
942
943static void ni_mg_clockgating_enable(struct radeon_device *rdev,
944 bool enable)
945{
946 u32 count;
947 const u32 *ps = NULL;
948
949 if (enable) {
950 ps = (const u32 *)&cayman_mgcg_enable;
951 count = CAYMAN_MGCG_ENABLE_LENGTH;
952 } else {
953 ps = (const u32 *)&cayman_mgcg_disable;
954 count = CAYMAN_MGCG_DISABLE_LENGTH;
955 }
956
957 btc_program_mgcg_hw_sequence(rdev, ps, count);
958}
959
960static void ni_ls_clockgating_default(struct radeon_device *rdev)
961{
962 u32 count;
963 const u32 *ps = NULL;
964
965 ps = (const u32 *)&cayman_sysls_default;
966 count = CAYMAN_SYSLS_DEFAULT_LENGTH;
967
968 btc_program_mgcg_hw_sequence(rdev, ps, count);
969}
970
971static void ni_ls_clockgating_enable(struct radeon_device *rdev,
972 bool enable)
973{
974 u32 count;
975 const u32 *ps = NULL;
976
977 if (enable) {
978 ps = (const u32 *)&cayman_sysls_enable;
979 count = CAYMAN_SYSLS_ENABLE_LENGTH;
980 } else {
981 ps = (const u32 *)&cayman_sysls_disable;
982 count = CAYMAN_SYSLS_DISABLE_LENGTH;
983 }
984
985 btc_program_mgcg_hw_sequence(rdev, ps, count);
986
987}
988
989static int ni_patch_single_dependency_table_based_on_leakage(struct radeon_device *rdev,
990 struct radeon_clock_voltage_dependency_table *table)
991{
992 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
993 u32 i;
994
995 if (table) {
996 for (i = 0; i < table->count; i++) {
997 if (0xff01 == table->entries[i].v) {
998 if (pi->max_vddc == 0)
999 return -EINVAL;
1000 table->entries[i].v = pi->max_vddc;
1001 }
1002 }
1003 }
1004 return 0;
1005}
1006
1007static int ni_patch_dependency_tables_based_on_leakage(struct radeon_device *rdev)
1008{
1009 int ret = 0;
1010
1011 ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1012 &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk);
1013
1014 ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
1015 &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk);
1016 return ret;
1017}
1018
1019static void ni_stop_dpm(struct radeon_device *rdev)
1020{
1021 WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
1022}
1023
1024#if 0
1025static int ni_notify_hw_of_power_source(struct radeon_device *rdev,
1026 bool ac_power)
1027{
1028 if (ac_power)
1029 return (rv770_send_msg_to_smc(rdev, PPSMC_MSG_RunningOnAC) == PPSMC_Result_OK) ?
1030 0 : -EINVAL;
1031
1032 return 0;
1033}
1034#endif
1035
1036static PPSMC_Result ni_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
1037 PPSMC_Msg msg, u32 parameter)
1038{
1039 WREG32(SMC_SCRATCH0, parameter);
1040 return rv770_send_msg_to_smc(rdev, msg);
1041}
1042
1043static int ni_restrict_performance_levels_before_switch(struct radeon_device *rdev)
1044{
1045 if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
1046 return -EINVAL;
1047
1048 return (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) == PPSMC_Result_OK) ?
1049 0 : -EINVAL;
1050}
1051
1052int ni_dpm_force_performance_level(struct radeon_device *rdev,
1053 enum radeon_dpm_forced_level level)
1054{
1055 if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
1056 if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1057 return -EINVAL;
1058
1059 if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK)
1060 return -EINVAL;
1061 } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
1062 if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1063 return -EINVAL;
1064
1065 if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK)
1066 return -EINVAL;
1067 } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
1068 if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
1069 return -EINVAL;
1070
1071 if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
1072 return -EINVAL;
1073 }
1074
1075 rdev->pm.dpm.forced_level = level;
1076
1077 return 0;
1078}
1079
1080static void ni_stop_smc(struct radeon_device *rdev)
1081{
1082 u32 tmp;
1083 int i;
1084
1085 for (i = 0; i < rdev->usec_timeout; i++) {
1086 tmp = RREG32(LB_SYNC_RESET_SEL) & LB_SYNC_RESET_SEL_MASK;
1087 if (tmp != 1)
1088 break;
1089 udelay(1);
1090 }
1091
1092 udelay(100);
1093
1094 r7xx_stop_smc(rdev);
1095}
1096
1097static int ni_process_firmware_header(struct radeon_device *rdev)
1098{
1099 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1100 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1101 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1102 u32 tmp;
1103 int ret;
1104
1105 ret = rv770_read_smc_sram_dword(rdev,
1106 NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1107 NISLANDS_SMC_FIRMWARE_HEADER_stateTable,
1108 &tmp, pi->sram_end);
1109
1110 if (ret)
1111 return ret;
1112
1113 pi->state_table_start = (u16)tmp;
1114
1115 ret = rv770_read_smc_sram_dword(rdev,
1116 NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1117 NISLANDS_SMC_FIRMWARE_HEADER_softRegisters,
1118 &tmp, pi->sram_end);
1119
1120 if (ret)
1121 return ret;
1122
1123 pi->soft_regs_start = (u16)tmp;
1124
1125 ret = rv770_read_smc_sram_dword(rdev,
1126 NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1127 NISLANDS_SMC_FIRMWARE_HEADER_mcRegisterTable,
1128 &tmp, pi->sram_end);
1129
1130 if (ret)
1131 return ret;
1132
1133 eg_pi->mc_reg_table_start = (u16)tmp;
1134
1135 ret = rv770_read_smc_sram_dword(rdev,
1136 NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1137 NISLANDS_SMC_FIRMWARE_HEADER_fanTable,
1138 &tmp, pi->sram_end);
1139
1140 if (ret)
1141 return ret;
1142
1143 ni_pi->fan_table_start = (u16)tmp;
1144
1145 ret = rv770_read_smc_sram_dword(rdev,
1146 NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1147 NISLANDS_SMC_FIRMWARE_HEADER_mcArbDramAutoRefreshTable,
1148 &tmp, pi->sram_end);
1149
1150 if (ret)
1151 return ret;
1152
1153 ni_pi->arb_table_start = (u16)tmp;
1154
1155 ret = rv770_read_smc_sram_dword(rdev,
1156 NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1157 NISLANDS_SMC_FIRMWARE_HEADER_cacTable,
1158 &tmp, pi->sram_end);
1159
1160 if (ret)
1161 return ret;
1162
1163 ni_pi->cac_table_start = (u16)tmp;
1164
1165 ret = rv770_read_smc_sram_dword(rdev,
1166 NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
1167 NISLANDS_SMC_FIRMWARE_HEADER_spllTable,
1168 &tmp, pi->sram_end);
1169
1170 if (ret)
1171 return ret;
1172
1173 ni_pi->spll_table_start = (u16)tmp;
1174
1175
1176 return ret;
1177}
1178
1179static void ni_read_clock_registers(struct radeon_device *rdev)
1180{
1181 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1182
1183 ni_pi->clock_registers.cg_spll_func_cntl = RREG32(CG_SPLL_FUNC_CNTL);
1184 ni_pi->clock_registers.cg_spll_func_cntl_2 = RREG32(CG_SPLL_FUNC_CNTL_2);
1185 ni_pi->clock_registers.cg_spll_func_cntl_3 = RREG32(CG_SPLL_FUNC_CNTL_3);
1186 ni_pi->clock_registers.cg_spll_func_cntl_4 = RREG32(CG_SPLL_FUNC_CNTL_4);
1187 ni_pi->clock_registers.cg_spll_spread_spectrum = RREG32(CG_SPLL_SPREAD_SPECTRUM);
1188 ni_pi->clock_registers.cg_spll_spread_spectrum_2 = RREG32(CG_SPLL_SPREAD_SPECTRUM_2);
1189 ni_pi->clock_registers.mpll_ad_func_cntl = RREG32(MPLL_AD_FUNC_CNTL);
1190 ni_pi->clock_registers.mpll_ad_func_cntl_2 = RREG32(MPLL_AD_FUNC_CNTL_2);
1191 ni_pi->clock_registers.mpll_dq_func_cntl = RREG32(MPLL_DQ_FUNC_CNTL);
1192 ni_pi->clock_registers.mpll_dq_func_cntl_2 = RREG32(MPLL_DQ_FUNC_CNTL_2);
1193 ni_pi->clock_registers.mclk_pwrmgt_cntl = RREG32(MCLK_PWRMGT_CNTL);
1194 ni_pi->clock_registers.dll_cntl = RREG32(DLL_CNTL);
1195 ni_pi->clock_registers.mpll_ss1 = RREG32(MPLL_SS1);
1196 ni_pi->clock_registers.mpll_ss2 = RREG32(MPLL_SS2);
1197}
1198
1199#if 0
1200static int ni_enter_ulp_state(struct radeon_device *rdev)
1201{
1202 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1203
1204 if (pi->gfx_clock_gating) {
1205 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
1206 WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
1207 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
1208 RREG32(GB_ADDR_CONFIG);
1209 }
1210
1211 WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower),
1212 ~HOST_SMC_MSG_MASK);
1213
1214 udelay(25000);
1215
1216 return 0;
1217}
1218#endif
1219
1220static void ni_program_response_times(struct radeon_device *rdev)
1221{
1222 u32 voltage_response_time, backbias_response_time, acpi_delay_time, vbi_time_out;
1223 u32 vddc_dly, bb_dly, acpi_dly, vbi_dly, mclk_switch_limit;
1224 u32 reference_clock;
1225
1226 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mvdd_chg_time, 1);
1227
1228 voltage_response_time = (u32)rdev->pm.dpm.voltage_response_time;
1229 backbias_response_time = (u32)rdev->pm.dpm.backbias_response_time;
1230
1231 if (voltage_response_time == 0)
1232 voltage_response_time = 1000;
1233
1234 if (backbias_response_time == 0)
1235 backbias_response_time = 1000;
1236
1237 acpi_delay_time = 15000;
1238 vbi_time_out = 100000;
1239
1240 reference_clock = radeon_get_xclk(rdev);
1241
1242 vddc_dly = (voltage_response_time * reference_clock) / 1600;
1243 bb_dly = (backbias_response_time * reference_clock) / 1600;
1244 acpi_dly = (acpi_delay_time * reference_clock) / 1600;
1245 vbi_dly = (vbi_time_out * reference_clock) / 1600;
1246
1247 mclk_switch_limit = (460 * reference_clock) / 100;
1248
1249 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_vreg, vddc_dly);
1250 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_bbias, bb_dly);
1251 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_acpi, acpi_dly);
1252 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_chg_timeout, vbi_dly);
1253 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mc_block_delay, 0xAA);
1254 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_switch_lim, mclk_switch_limit);
1255}
1256
1257static void ni_populate_smc_voltage_table(struct radeon_device *rdev,
1258 struct atom_voltage_table *voltage_table,
1259 NISLANDS_SMC_STATETABLE *table)
1260{
1261 unsigned int i;
1262
1263 for (i = 0; i < voltage_table->count; i++) {
1264 table->highSMIO[i] = 0;
1265 table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low);
1266 }
1267}
1268
1269static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
1270 NISLANDS_SMC_STATETABLE *table)
1271{
1272 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1273 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1274 unsigned char i;
1275
1276 if (eg_pi->vddc_voltage_table.count) {
1277 ni_populate_smc_voltage_table(rdev, &eg_pi->vddc_voltage_table, table);
1278 table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] = 0;
1279 table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] =
1280 cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
1281
1282 for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) {
1283 if (pi->max_vddc_in_table <= eg_pi->vddc_voltage_table.entries[i].value) {
1284 table->maxVDDCIndexInPPTable = i;
1285 break;
1286 }
1287 }
1288 }
1289
1290 if (eg_pi->vddci_voltage_table.count) {
1291 ni_populate_smc_voltage_table(rdev, &eg_pi->vddci_voltage_table, table);
1292
1293 table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
1294 table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
1295 cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
1296 }
1297}
1298
1299static int ni_populate_voltage_value(struct radeon_device *rdev,
1300 struct atom_voltage_table *table,
1301 u16 value,
1302 NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1303{
1304 unsigned int i;
1305
1306 for (i = 0; i < table->count; i++) {
1307 if (value <= table->entries[i].value) {
1308 voltage->index = (u8)i;
1309 voltage->value = cpu_to_be16(table->entries[i].value);
1310 break;
1311 }
1312 }
1313
1314 if (i >= table->count)
1315 return -EINVAL;
1316
1317 return 0;
1318}
1319
1320static void ni_populate_mvdd_value(struct radeon_device *rdev,
1321 u32 mclk,
1322 NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1323{
1324 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1325 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1326
1327 if (!pi->mvdd_control) {
1328 voltage->index = eg_pi->mvdd_high_index;
1329 voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1330 return;
1331 }
1332
1333 if (mclk <= pi->mvdd_split_frequency) {
1334 voltage->index = eg_pi->mvdd_low_index;
1335 voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
1336 } else {
1337 voltage->index = eg_pi->mvdd_high_index;
1338 voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1339 }
1340}
1341
1342static int ni_get_std_voltage_value(struct radeon_device *rdev,
1343 NISLANDS_SMC_VOLTAGE_VALUE *voltage,
1344 u16 *std_voltage)
1345{
1346 if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries &&
1347 ((u32)voltage->index < rdev->pm.dpm.dyn_state.cac_leakage_table.count))
1348 *std_voltage = rdev->pm.dpm.dyn_state.cac_leakage_table.entries[voltage->index].vddc;
1349 else
1350 *std_voltage = be16_to_cpu(voltage->value);
1351
1352 return 0;
1353}
1354
1355static void ni_populate_std_voltage_value(struct radeon_device *rdev,
1356 u16 value, u8 index,
1357 NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1358{
1359 voltage->index = index;
1360 voltage->value = cpu_to_be16(value);
1361}
1362
1363static u32 ni_get_smc_power_scaling_factor(struct radeon_device *rdev)
1364{
1365 u32 xclk_period;
1366 u32 xclk = radeon_get_xclk(rdev);
1367 u32 tmp = RREG32(CG_CAC_CTRL) & TID_CNT_MASK;
1368
1369 xclk_period = (1000000000UL / xclk);
1370 xclk_period /= 10000UL;
1371
1372 return tmp * xclk_period;
1373}
1374
1375static u32 ni_scale_power_for_smc(u32 power_in_watts, u32 scaling_factor)
1376{
1377 return (power_in_watts * scaling_factor) << 2;
1378}
1379
1380static u32 ni_calculate_power_boost_limit(struct radeon_device *rdev,
1381 struct radeon_ps *radeon_state,
1382 u32 near_tdp_limit)
1383{
1384 struct ni_ps *state = ni_get_ps(radeon_state);
1385 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1386 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1387 u32 power_boost_limit = 0;
1388 int ret;
1389
1390 if (ni_pi->enable_power_containment &&
1391 ni_pi->use_power_boost_limit) {
1392 NISLANDS_SMC_VOLTAGE_VALUE vddc;
1393 u16 std_vddc_med;
1394 u16 std_vddc_high;
1395 u64 tmp, n, d;
1396
1397 if (state->performance_level_count < 3)
1398 return 0;
1399
1400 ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1401 state->performance_levels[state->performance_level_count - 2].vddc,
1402 &vddc);
1403 if (ret)
1404 return 0;
1405
1406 ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_med);
1407 if (ret)
1408 return 0;
1409
1410 ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1411 state->performance_levels[state->performance_level_count - 1].vddc,
1412 &vddc);
1413 if (ret)
1414 return 0;
1415
1416 ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_high);
1417 if (ret)
1418 return 0;
1419
1420 n = ((u64)near_tdp_limit * ((u64)std_vddc_med * (u64)std_vddc_med) * 90);
1421 d = ((u64)std_vddc_high * (u64)std_vddc_high * 100);
1422 tmp = div64_u64(n, d);
1423
1424 if (tmp >> 32)
1425 return 0;
1426 power_boost_limit = (u32)tmp;
1427 }
1428
1429 return power_boost_limit;
1430}
1431
1432static int ni_calculate_adjusted_tdp_limits(struct radeon_device *rdev,
1433 bool adjust_polarity,
1434 u32 tdp_adjustment,
1435 u32 *tdp_limit,
1436 u32 *near_tdp_limit)
1437{
1438 if (tdp_adjustment > (u32)rdev->pm.dpm.tdp_od_limit)
1439 return -EINVAL;
1440
1441 if (adjust_polarity) {
1442 *tdp_limit = ((100 + tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1443 *near_tdp_limit = rdev->pm.dpm.near_tdp_limit + (*tdp_limit - rdev->pm.dpm.tdp_limit);
1444 } else {
1445 *tdp_limit = ((100 - tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
1446 *near_tdp_limit = rdev->pm.dpm.near_tdp_limit - (rdev->pm.dpm.tdp_limit - *tdp_limit);
1447 }
1448
1449 return 0;
1450}
1451
1452static int ni_populate_smc_tdp_limits(struct radeon_device *rdev,
1453 struct radeon_ps *radeon_state)
1454{
1455 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1456 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1457
1458 if (ni_pi->enable_power_containment) {
1459 NISLANDS_SMC_STATETABLE *smc_table = &ni_pi->smc_statetable;
1460 u32 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
1461 u32 tdp_limit;
1462 u32 near_tdp_limit;
1463 u32 power_boost_limit;
1464 int ret;
1465
1466 if (scaling_factor == 0)
1467 return -EINVAL;
1468
1469 memset(smc_table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1470
1471 ret = ni_calculate_adjusted_tdp_limits(rdev,
1472 false, /* ??? */
1473 rdev->pm.dpm.tdp_adjustment,
1474 &tdp_limit,
1475 &near_tdp_limit);
1476 if (ret)
1477 return ret;
1478
1479 power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state,
1480 near_tdp_limit);
1481
1482 smc_table->dpm2Params.TDPLimit =
1483 cpu_to_be32(ni_scale_power_for_smc(tdp_limit, scaling_factor));
1484 smc_table->dpm2Params.NearTDPLimit =
1485 cpu_to_be32(ni_scale_power_for_smc(near_tdp_limit, scaling_factor));
1486 smc_table->dpm2Params.SafePowerLimit =
1487 cpu_to_be32(ni_scale_power_for_smc((near_tdp_limit * NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT) / 100,
1488 scaling_factor));
1489 smc_table->dpm2Params.PowerBoostLimit =
1490 cpu_to_be32(ni_scale_power_for_smc(power_boost_limit, scaling_factor));
1491
1492 ret = rv770_copy_bytes_to_smc(rdev,
1493 (u16)(pi->state_table_start + offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
1494 offsetof(PP_NIslands_DPM2Parameters, TDPLimit)),
1495 (u8 *)(&smc_table->dpm2Params.TDPLimit),
1496 sizeof(u32) * 4, pi->sram_end);
1497 if (ret)
1498 return ret;
1499 }
1500
1501 return 0;
1502}
1503
1504int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
1505 u32 arb_freq_src, u32 arb_freq_dest)
1506{
1507 u32 mc_arb_dram_timing;
1508 u32 mc_arb_dram_timing2;
1509 u32 burst_time;
1510 u32 mc_cg_config;
1511
1512 switch (arb_freq_src) {
1513 case MC_CG_ARB_FREQ_F0:
1514 mc_arb_dram_timing = RREG32(MC_ARB_DRAM_TIMING);
1515 mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1516 burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE0_MASK) >> STATE0_SHIFT;
1517 break;
1518 case MC_CG_ARB_FREQ_F1:
1519 mc_arb_dram_timing = RREG32(MC_ARB_DRAM_TIMING_1);
1520 mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_1);
1521 burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE1_MASK) >> STATE1_SHIFT;
1522 break;
1523 case MC_CG_ARB_FREQ_F2:
1524 mc_arb_dram_timing = RREG32(MC_ARB_DRAM_TIMING_2);
1525 mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_2);
1526 burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE2_MASK) >> STATE2_SHIFT;
1527 break;
1528 case MC_CG_ARB_FREQ_F3:
1529 mc_arb_dram_timing = RREG32(MC_ARB_DRAM_TIMING_3);
1530 mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_3);
1531 burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE3_MASK) >> STATE3_SHIFT;
1532 break;
1533 default:
1534 return -EINVAL;
1535 }
1536
1537 switch (arb_freq_dest) {
1538 case MC_CG_ARB_FREQ_F0:
1539 WREG32(MC_ARB_DRAM_TIMING, mc_arb_dram_timing);
1540 WREG32(MC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
1541 WREG32_P(MC_ARB_BURST_TIME, STATE0(burst_time), ~STATE0_MASK);
1542 break;
1543 case MC_CG_ARB_FREQ_F1:
1544 WREG32(MC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
1545 WREG32(MC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
1546 WREG32_P(MC_ARB_BURST_TIME, STATE1(burst_time), ~STATE1_MASK);
1547 break;
1548 case MC_CG_ARB_FREQ_F2:
1549 WREG32(MC_ARB_DRAM_TIMING_2, mc_arb_dram_timing);
1550 WREG32(MC_ARB_DRAM_TIMING2_2, mc_arb_dram_timing2);
1551 WREG32_P(MC_ARB_BURST_TIME, STATE2(burst_time), ~STATE2_MASK);
1552 break;
1553 case MC_CG_ARB_FREQ_F3:
1554 WREG32(MC_ARB_DRAM_TIMING_3, mc_arb_dram_timing);
1555 WREG32(MC_ARB_DRAM_TIMING2_3, mc_arb_dram_timing2);
1556 WREG32_P(MC_ARB_BURST_TIME, STATE3(burst_time), ~STATE3_MASK);
1557 break;
1558 default:
1559 return -EINVAL;
1560 }
1561
1562 mc_cg_config = RREG32(MC_CG_CONFIG) | 0x0000000F;
1563 WREG32(MC_CG_CONFIG, mc_cg_config);
1564 WREG32_P(MC_ARB_CG, CG_ARB_REQ(arb_freq_dest), ~CG_ARB_REQ_MASK);
1565
1566 return 0;
1567}
1568
1569static int ni_init_arb_table_index(struct radeon_device *rdev)
1570{
1571 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1572 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1573 u32 tmp;
1574 int ret;
1575
1576 ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1577 &tmp, pi->sram_end);
1578 if (ret)
1579 return ret;
1580
1581 tmp &= 0x00FFFFFF;
1582 tmp |= ((u32)MC_CG_ARB_FREQ_F1) << 24;
1583
1584 return rv770_write_smc_sram_dword(rdev, ni_pi->arb_table_start,
1585 tmp, pi->sram_end);
1586}
1587
1588static int ni_initial_switch_from_arb_f0_to_f1(struct radeon_device *rdev)
1589{
1590 return ni_copy_and_switch_arb_sets(rdev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
1591}
1592
1593static int ni_force_switch_to_arb_f0(struct radeon_device *rdev)
1594{
1595 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1596 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1597 u32 tmp;
1598 int ret;
1599
1600 ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
1601 &tmp, pi->sram_end);
1602 if (ret)
1603 return ret;
1604
1605 tmp = (tmp >> 24) & 0xff;
1606
1607 if (tmp == MC_CG_ARB_FREQ_F0)
1608 return 0;
1609
1610 return ni_copy_and_switch_arb_sets(rdev, tmp, MC_CG_ARB_FREQ_F0);
1611}
1612
1613static int ni_populate_memory_timing_parameters(struct radeon_device *rdev,
1614 struct rv7xx_pl *pl,
1615 SMC_NIslands_MCArbDramTimingRegisterSet *arb_regs)
1616{
1617 u32 dram_timing;
1618 u32 dram_timing2;
1619
1620 arb_regs->mc_arb_rfsh_rate =
1621 (u8)rv770_calculate_memory_refresh_rate(rdev, pl->sclk);
1622
1623
1624 radeon_atom_set_engine_dram_timings(rdev, pl->sclk, pl->mclk);
1625
1626 dram_timing = RREG32(MC_ARB_DRAM_TIMING);
1627 dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1628
1629 arb_regs->mc_arb_dram_timing = cpu_to_be32(dram_timing);
1630 arb_regs->mc_arb_dram_timing2 = cpu_to_be32(dram_timing2);
1631
1632 return 0;
1633}
1634
1635static int ni_do_program_memory_timing_parameters(struct radeon_device *rdev,
1636 struct radeon_ps *radeon_state,
1637 unsigned int first_arb_set)
1638{
1639 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1640 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1641 struct ni_ps *state = ni_get_ps(radeon_state);
1642 SMC_NIslands_MCArbDramTimingRegisterSet arb_regs = { 0 };
1643 int i, ret = 0;
1644
1645 for (i = 0; i < state->performance_level_count; i++) {
1646 ret = ni_populate_memory_timing_parameters(rdev, &state->performance_levels[i], &arb_regs);
1647 if (ret)
1648 break;
1649
1650 ret = rv770_copy_bytes_to_smc(rdev,
1651 (u16)(ni_pi->arb_table_start +
1652 offsetof(SMC_NIslands_MCArbDramTimingRegisters, data) +
1653 sizeof(SMC_NIslands_MCArbDramTimingRegisterSet) * (first_arb_set + i)),
1654 (u8 *)&arb_regs,
1655 (u16)sizeof(SMC_NIslands_MCArbDramTimingRegisterSet),
1656 pi->sram_end);
1657 if (ret)
1658 break;
1659 }
1660 return ret;
1661}
1662
1663static int ni_program_memory_timing_parameters(struct radeon_device *rdev,
1664 struct radeon_ps *radeon_new_state)
1665{
1666 return ni_do_program_memory_timing_parameters(rdev, radeon_new_state,
1667 NISLANDS_DRIVER_STATE_ARB_INDEX);
1668}
1669
1670static void ni_populate_initial_mvdd_value(struct radeon_device *rdev,
1671 struct NISLANDS_SMC_VOLTAGE_VALUE *voltage)
1672{
1673 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1674
1675 voltage->index = eg_pi->mvdd_high_index;
1676 voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
1677}
1678
1679static int ni_populate_smc_initial_state(struct radeon_device *rdev,
1680 struct radeon_ps *radeon_initial_state,
1681 NISLANDS_SMC_STATETABLE *table)
1682{
1683 struct ni_ps *initial_state = ni_get_ps(radeon_initial_state);
1684 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1685 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1686 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1687 u32 reg;
1688 int ret;
1689
1690 table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL =
1691 cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
1692 table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 =
1693 cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl_2);
1694 table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL =
1695 cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl);
1696 table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 =
1697 cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl_2);
1698 table->initialState.levels[0].mclk.vMCLK_PWRMGT_CNTL =
1699 cpu_to_be32(ni_pi->clock_registers.mclk_pwrmgt_cntl);
1700 table->initialState.levels[0].mclk.vDLL_CNTL =
1701 cpu_to_be32(ni_pi->clock_registers.dll_cntl);
1702 table->initialState.levels[0].mclk.vMPLL_SS =
1703 cpu_to_be32(ni_pi->clock_registers.mpll_ss1);
1704 table->initialState.levels[0].mclk.vMPLL_SS2 =
1705 cpu_to_be32(ni_pi->clock_registers.mpll_ss2);
1706 table->initialState.levels[0].mclk.mclk_value =
1707 cpu_to_be32(initial_state->performance_levels[0].mclk);
1708
1709 table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL =
1710 cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl);
1711 table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 =
1712 cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_2);
1713 table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 =
1714 cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_3);
1715 table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 =
1716 cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_4);
1717 table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM =
1718 cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum);
1719 table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
1720 cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum_2);
1721 table->initialState.levels[0].sclk.sclk_value =
1722 cpu_to_be32(initial_state->performance_levels[0].sclk);
1723 table->initialState.levels[0].arbRefreshState =
1724 NISLANDS_INITIAL_STATE_ARB_INDEX;
1725
1726 table->initialState.levels[0].ACIndex = 0;
1727
1728 ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
1729 initial_state->performance_levels[0].vddc,
1730 &table->initialState.levels[0].vddc);
1731 if (!ret) {
1732 u16 std_vddc;
1733
1734 ret = ni_get_std_voltage_value(rdev,
1735 &table->initialState.levels[0].vddc,
1736 &std_vddc);
1737 if (!ret)
1738 ni_populate_std_voltage_value(rdev, std_vddc,
1739 table->initialState.levels[0].vddc.index,
1740 &table->initialState.levels[0].std_vddc);
1741 }
1742
1743 if (eg_pi->vddci_control)
1744 ni_populate_voltage_value(rdev,
1745 &eg_pi->vddci_voltage_table,
1746 initial_state->performance_levels[0].vddci,
1747 &table->initialState.levels[0].vddci);
1748
1749 ni_populate_initial_mvdd_value(rdev, &table->initialState.levels[0].mvdd);
1750
1751 reg = CG_R(0xffff) | CG_L(0);
1752 table->initialState.levels[0].aT = cpu_to_be32(reg);
1753
1754 table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp);
1755
1756 if (pi->boot_in_gen2)
1757 table->initialState.levels[0].gen2PCIE = 1;
1758 else
1759 table->initialState.levels[0].gen2PCIE = 0;
1760
1761 if (pi->mem_gddr5) {
1762 table->initialState.levels[0].strobeMode =
1763 cypress_get_strobe_mode_settings(rdev,
1764 initial_state->performance_levels[0].mclk);
1765
1766 if (initial_state->performance_levels[0].mclk > pi->mclk_edc_enable_threshold)
1767 table->initialState.levels[0].mcFlags = NISLANDS_SMC_MC_EDC_RD_FLAG | NISLANDS_SMC_MC_EDC_WR_FLAG;
1768 else
1769 table->initialState.levels[0].mcFlags = 0;
1770 }
1771
1772 table->initialState.levelCount = 1;
1773
1774 table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC;
1775
1776 table->initialState.levels[0].dpm2.MaxPS = 0;
1777 table->initialState.levels[0].dpm2.NearTDPDec = 0;
1778 table->initialState.levels[0].dpm2.AboveSafeInc = 0;
1779 table->initialState.levels[0].dpm2.BelowSafeInc = 0;
1780
1781 reg = MIN_POWER_MASK | MAX_POWER_MASK;
1782 table->initialState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1783
1784 reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1785 table->initialState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1786
1787 return 0;
1788}
1789
1790static int ni_populate_smc_acpi_state(struct radeon_device *rdev,
1791 NISLANDS_SMC_STATETABLE *table)
1792{
1793 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1794 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1795 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1796 u32 mpll_ad_func_cntl = ni_pi->clock_registers.mpll_ad_func_cntl;
1797 u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
1798 u32 mpll_dq_func_cntl = ni_pi->clock_registers.mpll_dq_func_cntl;
1799 u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
1800 u32 spll_func_cntl = ni_pi->clock_registers.cg_spll_func_cntl;
1801 u32 spll_func_cntl_2 = ni_pi->clock_registers.cg_spll_func_cntl_2;
1802 u32 spll_func_cntl_3 = ni_pi->clock_registers.cg_spll_func_cntl_3;
1803 u32 spll_func_cntl_4 = ni_pi->clock_registers.cg_spll_func_cntl_4;
1804 u32 mclk_pwrmgt_cntl = ni_pi->clock_registers.mclk_pwrmgt_cntl;
1805 u32 dll_cntl = ni_pi->clock_registers.dll_cntl;
1806 u32 reg;
1807 int ret;
1808
1809 table->ACPIState = table->initialState;
1810
1811 table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC;
1812
1813 if (pi->acpi_vddc) {
1814 ret = ni_populate_voltage_value(rdev,
1815 &eg_pi->vddc_voltage_table,
1816 pi->acpi_vddc, &table->ACPIState.levels[0].vddc);
1817 if (!ret) {
1818 u16 std_vddc;
1819
1820 ret = ni_get_std_voltage_value(rdev,
1821 &table->ACPIState.levels[0].vddc, &std_vddc);
1822 if (!ret)
1823 ni_populate_std_voltage_value(rdev, std_vddc,
1824 table->ACPIState.levels[0].vddc.index,
1825 &table->ACPIState.levels[0].std_vddc);
1826 }
1827
1828 if (pi->pcie_gen2) {
1829 if (pi->acpi_pcie_gen2)
1830 table->ACPIState.levels[0].gen2PCIE = 1;
1831 else
1832 table->ACPIState.levels[0].gen2PCIE = 0;
1833 } else {
1834 table->ACPIState.levels[0].gen2PCIE = 0;
1835 }
1836 } else {
1837 ret = ni_populate_voltage_value(rdev,
1838 &eg_pi->vddc_voltage_table,
1839 pi->min_vddc_in_table,
1840 &table->ACPIState.levels[0].vddc);
1841 if (!ret) {
1842 u16 std_vddc;
1843
1844 ret = ni_get_std_voltage_value(rdev,
1845 &table->ACPIState.levels[0].vddc,
1846 &std_vddc);
1847 if (!ret)
1848 ni_populate_std_voltage_value(rdev, std_vddc,
1849 table->ACPIState.levels[0].vddc.index,
1850 &table->ACPIState.levels[0].std_vddc);
1851 }
1852 table->ACPIState.levels[0].gen2PCIE = 0;
1853 }
1854
1855 if (eg_pi->acpi_vddci) {
1856 if (eg_pi->vddci_control)
1857 ni_populate_voltage_value(rdev,
1858 &eg_pi->vddci_voltage_table,
1859 eg_pi->acpi_vddci,
1860 &table->ACPIState.levels[0].vddci);
1861 }
1862
1863
1864 mpll_ad_func_cntl &= ~PDNB;
1865
1866 mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
1867
1868 if (pi->mem_gddr5)
1869 mpll_dq_func_cntl &= ~PDNB;
1870 mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS;
1871
1872
1873 mclk_pwrmgt_cntl |= (MRDCKA0_RESET |
1874 MRDCKA1_RESET |
1875 MRDCKB0_RESET |
1876 MRDCKB1_RESET |
1877 MRDCKC0_RESET |
1878 MRDCKC1_RESET |
1879 MRDCKD0_RESET |
1880 MRDCKD1_RESET);
1881
1882 mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
1883 MRDCKA1_PDNB |
1884 MRDCKB0_PDNB |
1885 MRDCKB1_PDNB |
1886 MRDCKC0_PDNB |
1887 MRDCKC1_PDNB |
1888 MRDCKD0_PDNB |
1889 MRDCKD1_PDNB);
1890
1891 dll_cntl |= (MRDCKA0_BYPASS |
1892 MRDCKA1_BYPASS |
1893 MRDCKB0_BYPASS |
1894 MRDCKB1_BYPASS |
1895 MRDCKC0_BYPASS |
1896 MRDCKC1_BYPASS |
1897 MRDCKD0_BYPASS |
1898 MRDCKD1_BYPASS);
1899
1900 spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
1901 spll_func_cntl_2 |= SCLK_MUX_SEL(4);
1902
1903 table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
1904 table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
1905 table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
1906 table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
1907 table->ACPIState.levels[0].mclk.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
1908 table->ACPIState.levels[0].mclk.vDLL_CNTL = cpu_to_be32(dll_cntl);
1909
1910 table->ACPIState.levels[0].mclk.mclk_value = 0;
1911
1912 table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
1913 table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
1914 table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
1915 table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(spll_func_cntl_4);
1916
1917 table->ACPIState.levels[0].sclk.sclk_value = 0;
1918
1919 ni_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd);
1920
1921 if (eg_pi->dynamic_ac_timing)
1922 table->ACPIState.levels[0].ACIndex = 1;
1923
1924 table->ACPIState.levels[0].dpm2.MaxPS = 0;
1925 table->ACPIState.levels[0].dpm2.NearTDPDec = 0;
1926 table->ACPIState.levels[0].dpm2.AboveSafeInc = 0;
1927 table->ACPIState.levels[0].dpm2.BelowSafeInc = 0;
1928
1929 reg = MIN_POWER_MASK | MAX_POWER_MASK;
1930 table->ACPIState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
1931
1932 reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
1933 table->ACPIState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
1934
1935 return 0;
1936}
1937
1938static int ni_init_smc_table(struct radeon_device *rdev)
1939{
1940 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1941 struct ni_power_info *ni_pi = ni_get_pi(rdev);
1942 int ret;
1943 struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
1944 NISLANDS_SMC_STATETABLE *table = &ni_pi->smc_statetable;
1945
1946 memset(table, 0, sizeof(NISLANDS_SMC_STATETABLE));
1947
1948 ni_populate_smc_voltage_tables(rdev, table);
1949
1950 switch (rdev->pm.int_thermal_type) {
1951 case THERMAL_TYPE_NI:
1952 case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
1953 table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
1954 break;
1955 case THERMAL_TYPE_NONE:
1956 table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
1957 break;
1958 default:
1959 table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
1960 break;
1961 }
1962
1963 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
1964 table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
1965
1966 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1967 table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT;
1968
1969 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1970 table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
1971
1972 if (pi->mem_gddr5)
1973 table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
1974
1975 ret = ni_populate_smc_initial_state(rdev, radeon_boot_state, table);
1976 if (ret)
1977 return ret;
1978
1979 ret = ni_populate_smc_acpi_state(rdev, table);
1980 if (ret)
1981 return ret;
1982
1983 table->driverState = table->initialState;
1984
1985 table->ULVState = table->initialState;
1986
1987 ret = ni_do_program_memory_timing_parameters(rdev, radeon_boot_state,
1988 NISLANDS_INITIAL_STATE_ARB_INDEX);
1989 if (ret)
1990 return ret;
1991
1992 return rv770_copy_bytes_to_smc(rdev, pi->state_table_start, (u8 *)table,
1993 sizeof(NISLANDS_SMC_STATETABLE), pi->sram_end);
1994}
1995
1996static int ni_calculate_sclk_params(struct radeon_device *rdev,
1997 u32 engine_clock,
1998 NISLANDS_SMC_SCLK_VALUE *sclk)
1999{
2000 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2001 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2002 struct atom_clock_dividers dividers;
2003 u32 spll_func_cntl = ni_pi->clock_registers.cg_spll_func_cntl;
2004 u32 spll_func_cntl_2 = ni_pi->clock_registers.cg_spll_func_cntl_2;
2005 u32 spll_func_cntl_3 = ni_pi->clock_registers.cg_spll_func_cntl_3;
2006 u32 spll_func_cntl_4 = ni_pi->clock_registers.cg_spll_func_cntl_4;
2007 u32 cg_spll_spread_spectrum = ni_pi->clock_registers.cg_spll_spread_spectrum;
2008 u32 cg_spll_spread_spectrum_2 = ni_pi->clock_registers.cg_spll_spread_spectrum_2;
2009 u64 tmp;
2010 u32 reference_clock = rdev->clock.spll.reference_freq;
2011 u32 reference_divider;
2012 u32 fbdiv;
2013 int ret;
2014
2015 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2016 engine_clock, false, &dividers);
2017 if (ret)
2018 return ret;
2019
2020 reference_divider = 1 + dividers.ref_div;
2021
2022
2023 tmp = (u64) engine_clock * reference_divider * dividers.post_div * 16834;
2024 do_div(tmp, reference_clock);
2025 fbdiv = (u32) tmp;
2026
2027 spll_func_cntl &= ~(SPLL_PDIV_A_MASK | SPLL_REF_DIV_MASK);
2028 spll_func_cntl |= SPLL_REF_DIV(dividers.ref_div);
2029 spll_func_cntl |= SPLL_PDIV_A(dividers.post_div);
2030
2031 spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
2032 spll_func_cntl_2 |= SCLK_MUX_SEL(2);
2033
2034 spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
2035 spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
2036 spll_func_cntl_3 |= SPLL_DITHEN;
2037
2038 if (pi->sclk_ss) {
2039 struct radeon_atom_ss ss;
2040 u32 vco_freq = engine_clock * dividers.post_div;
2041
2042 if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2043 ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
2044 u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
2045 u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000);
2046
2047 cg_spll_spread_spectrum &= ~CLK_S_MASK;
2048 cg_spll_spread_spectrum |= CLK_S(clk_s);
2049 cg_spll_spread_spectrum |= SSEN;
2050
2051 cg_spll_spread_spectrum_2 &= ~CLK_V_MASK;
2052 cg_spll_spread_spectrum_2 |= CLK_V(clk_v);
2053 }
2054 }
2055
2056 sclk->sclk_value = engine_clock;
2057 sclk->vCG_SPLL_FUNC_CNTL = spll_func_cntl;
2058 sclk->vCG_SPLL_FUNC_CNTL_2 = spll_func_cntl_2;
2059 sclk->vCG_SPLL_FUNC_CNTL_3 = spll_func_cntl_3;
2060 sclk->vCG_SPLL_FUNC_CNTL_4 = spll_func_cntl_4;
2061 sclk->vCG_SPLL_SPREAD_SPECTRUM = cg_spll_spread_spectrum;
2062 sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cg_spll_spread_spectrum_2;
2063
2064 return 0;
2065}
2066
2067static int ni_populate_sclk_value(struct radeon_device *rdev,
2068 u32 engine_clock,
2069 NISLANDS_SMC_SCLK_VALUE *sclk)
2070{
2071 NISLANDS_SMC_SCLK_VALUE sclk_tmp;
2072 int ret;
2073
2074 ret = ni_calculate_sclk_params(rdev, engine_clock, &sclk_tmp);
2075 if (!ret) {
2076 sclk->sclk_value = cpu_to_be32(sclk_tmp.sclk_value);
2077 sclk->vCG_SPLL_FUNC_CNTL = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL);
2078 sclk->vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_2);
2079 sclk->vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_3);
2080 sclk->vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_4);
2081 sclk->vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM);
2082 sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM_2);
2083 }
2084
2085 return ret;
2086}
2087
2088static int ni_init_smc_spll_table(struct radeon_device *rdev)
2089{
2090 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2091 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2092 SMC_NISLANDS_SPLL_DIV_TABLE *spll_table;
2093 NISLANDS_SMC_SCLK_VALUE sclk_params;
2094 u32 fb_div;
2095 u32 p_div;
2096 u32 clk_s;
2097 u32 clk_v;
2098 u32 sclk = 0;
2099 int i, ret;
2100 u32 tmp;
2101
2102 if (ni_pi->spll_table_start == 0)
2103 return -EINVAL;
2104
2105 spll_table = kzalloc(sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), GFP_KERNEL);
2106 if (spll_table == NULL)
2107 return -ENOMEM;
2108
2109 for (i = 0; i < 256; i++) {
2110 ret = ni_calculate_sclk_params(rdev, sclk, &sclk_params);
2111 if (ret)
2112 break;
2113
2114 p_div = (sclk_params.vCG_SPLL_FUNC_CNTL & SPLL_PDIV_A_MASK) >> SPLL_PDIV_A_SHIFT;
2115 fb_div = (sclk_params.vCG_SPLL_FUNC_CNTL_3 & SPLL_FB_DIV_MASK) >> SPLL_FB_DIV_SHIFT;
2116 clk_s = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM & CLK_S_MASK) >> CLK_S_SHIFT;
2117 clk_v = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM_2 & CLK_V_MASK) >> CLK_V_SHIFT;
2118
2119 fb_div &= ~0x00001FFF;
2120 fb_div >>= 1;
2121 clk_v >>= 6;
2122
2123 if (p_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT))
2124 ret = -EINVAL;
2125
2126 if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2127 ret = -EINVAL;
2128
2129 if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
2130 ret = -EINVAL;
2131
2132 if (clk_v & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT))
2133 ret = -EINVAL;
2134
2135 if (ret)
2136 break;
2137
2138 tmp = ((fb_div << SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK) |
2139 ((p_div << SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK);
2140 spll_table->freq[i] = cpu_to_be32(tmp);
2141
2142 tmp = ((clk_v << SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK) |
2143 ((clk_s << SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK);
2144 spll_table->ss[i] = cpu_to_be32(tmp);
2145
2146 sclk += 512;
2147 }
2148
2149 if (!ret)
2150 ret = rv770_copy_bytes_to_smc(rdev, ni_pi->spll_table_start, (u8 *)spll_table,
2151 sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), pi->sram_end);
2152
2153 kfree(spll_table);
2154
2155 return ret;
2156}
2157
2158static int ni_populate_mclk_value(struct radeon_device *rdev,
2159 u32 engine_clock,
2160 u32 memory_clock,
2161 NISLANDS_SMC_MCLK_VALUE *mclk,
2162 bool strobe_mode,
2163 bool dll_state_on)
2164{
2165 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2166 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2167 u32 mpll_ad_func_cntl = ni_pi->clock_registers.mpll_ad_func_cntl;
2168 u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
2169 u32 mpll_dq_func_cntl = ni_pi->clock_registers.mpll_dq_func_cntl;
2170 u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
2171 u32 mclk_pwrmgt_cntl = ni_pi->clock_registers.mclk_pwrmgt_cntl;
2172 u32 dll_cntl = ni_pi->clock_registers.dll_cntl;
2173 u32 mpll_ss1 = ni_pi->clock_registers.mpll_ss1;
2174 u32 mpll_ss2 = ni_pi->clock_registers.mpll_ss2;
2175 struct atom_clock_dividers dividers;
2176 u32 ibias;
2177 u32 dll_speed;
2178 int ret;
2179 u32 mc_seq_misc7;
2180
2181 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
2182 memory_clock, strobe_mode, &dividers);
2183 if (ret)
2184 return ret;
2185
2186 if (!strobe_mode) {
2187 mc_seq_misc7 = RREG32(MC_SEQ_MISC7);
2188
2189 if (mc_seq_misc7 & 0x8000000)
2190 dividers.post_div = 1;
2191 }
2192
2193 ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div);
2194
2195 mpll_ad_func_cntl &= ~(CLKR_MASK |
2196 YCLK_POST_DIV_MASK |
2197 CLKF_MASK |
2198 CLKFRAC_MASK |
2199 IBIAS_MASK);
2200 mpll_ad_func_cntl |= CLKR(dividers.ref_div);
2201 mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2202 mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div);
2203 mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2204 mpll_ad_func_cntl |= IBIAS(ibias);
2205
2206 if (dividers.vco_mode)
2207 mpll_ad_func_cntl_2 |= VCO_MODE;
2208 else
2209 mpll_ad_func_cntl_2 &= ~VCO_MODE;
2210
2211 if (pi->mem_gddr5) {
2212 mpll_dq_func_cntl &= ~(CLKR_MASK |
2213 YCLK_POST_DIV_MASK |
2214 CLKF_MASK |
2215 CLKFRAC_MASK |
2216 IBIAS_MASK);
2217 mpll_dq_func_cntl |= CLKR(dividers.ref_div);
2218 mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div);
2219 mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div);
2220 mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div);
2221 mpll_dq_func_cntl |= IBIAS(ibias);
2222
2223 if (strobe_mode)
2224 mpll_dq_func_cntl &= ~PDNB;
2225 else
2226 mpll_dq_func_cntl |= PDNB;
2227
2228 if (dividers.vco_mode)
2229 mpll_dq_func_cntl_2 |= VCO_MODE;
2230 else
2231 mpll_dq_func_cntl_2 &= ~VCO_MODE;
2232 }
2233
2234 if (pi->mclk_ss) {
2235 struct radeon_atom_ss ss;
2236 u32 vco_freq = memory_clock * dividers.post_div;
2237
2238 if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2239 ASIC_INTERNAL_MEMORY_SS, vco_freq)) {
2240 u32 reference_clock = rdev->clock.mpll.reference_freq;
2241 u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div);
2242 u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate);
2243 u32 clk_v = ss.percentage *
2244 (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625);
2245
2246 mpll_ss1 &= ~CLKV_MASK;
2247 mpll_ss1 |= CLKV(clk_v);
2248
2249 mpll_ss2 &= ~CLKS_MASK;
2250 mpll_ss2 |= CLKS(clk_s);
2251 }
2252 }
2253
2254 dll_speed = rv740_get_dll_speed(pi->mem_gddr5,
2255 memory_clock);
2256
2257 mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK;
2258 mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed);
2259 if (dll_state_on)
2260 mclk_pwrmgt_cntl |= (MRDCKA0_PDNB |
2261 MRDCKA1_PDNB |
2262 MRDCKB0_PDNB |
2263 MRDCKB1_PDNB |
2264 MRDCKC0_PDNB |
2265 MRDCKC1_PDNB |
2266 MRDCKD0_PDNB |
2267 MRDCKD1_PDNB);
2268 else
2269 mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
2270 MRDCKA1_PDNB |
2271 MRDCKB0_PDNB |
2272 MRDCKB1_PDNB |
2273 MRDCKC0_PDNB |
2274 MRDCKC1_PDNB |
2275 MRDCKD0_PDNB |
2276 MRDCKD1_PDNB);
2277
2278
2279 mclk->mclk_value = cpu_to_be32(memory_clock);
2280 mclk->vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
2281 mclk->vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
2282 mclk->vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
2283 mclk->vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
2284 mclk->vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
2285 mclk->vDLL_CNTL = cpu_to_be32(dll_cntl);
2286 mclk->vMPLL_SS = cpu_to_be32(mpll_ss1);
2287 mclk->vMPLL_SS2 = cpu_to_be32(mpll_ss2);
2288
2289 return 0;
2290}
2291
2292static void ni_populate_smc_sp(struct radeon_device *rdev,
2293 struct radeon_ps *radeon_state,
2294 NISLANDS_SMC_SWSTATE *smc_state)
2295{
2296 struct ni_ps *ps = ni_get_ps(radeon_state);
2297 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2298 int i;
2299
2300 for (i = 0; i < ps->performance_level_count - 1; i++)
2301 smc_state->levels[i].bSP = cpu_to_be32(pi->dsp);
2302
2303 smc_state->levels[ps->performance_level_count - 1].bSP =
2304 cpu_to_be32(pi->psp);
2305}
2306
2307static int ni_convert_power_level_to_smc(struct radeon_device *rdev,
2308 struct rv7xx_pl *pl,
2309 NISLANDS_SMC_HW_PERFORMANCE_LEVEL *level)
2310{
2311 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2312 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2313 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2314 int ret;
2315 bool dll_state_on;
2316 u16 std_vddc;
2317 u32 tmp = RREG32(DC_STUTTER_CNTL);
2318
2319 level->gen2PCIE = pi->pcie_gen2 ?
2320 ((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0;
2321
2322 ret = ni_populate_sclk_value(rdev, pl->sclk, &level->sclk);
2323 if (ret)
2324 return ret;
2325
2326 level->mcFlags = 0;
2327 if (pi->mclk_stutter_mode_threshold &&
2328 (pl->mclk <= pi->mclk_stutter_mode_threshold) &&
2329 !eg_pi->uvd_enabled &&
2330 (tmp & DC_STUTTER_ENABLE_A) &&
2331 (tmp & DC_STUTTER_ENABLE_B))
2332 level->mcFlags |= NISLANDS_SMC_MC_STUTTER_EN;
2333
2334 if (pi->mem_gddr5) {
2335 if (pl->mclk > pi->mclk_edc_enable_threshold)
2336 level->mcFlags |= NISLANDS_SMC_MC_EDC_RD_FLAG;
2337 if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold)
2338 level->mcFlags |= NISLANDS_SMC_MC_EDC_WR_FLAG;
2339
2340 level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk);
2341
2342 if (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) {
2343 if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >=
2344 ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf))
2345 dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
2346 else
2347 dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false;
2348 } else {
2349 dll_state_on = false;
2350 if (pl->mclk > ni_pi->mclk_rtt_mode_threshold)
2351 level->mcFlags |= NISLANDS_SMC_MC_RTT_ENABLE;
2352 }
2353
2354 ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk,
2355 &level->mclk,
2356 (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) != 0,
2357 dll_state_on);
2358 } else
2359 ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk, &level->mclk, 1, 1);
2360
2361 if (ret)
2362 return ret;
2363
2364 ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
2365 pl->vddc, &level->vddc);
2366 if (ret)
2367 return ret;
2368
2369 ret = ni_get_std_voltage_value(rdev, &level->vddc, &std_vddc);
2370 if (ret)
2371 return ret;
2372
2373 ni_populate_std_voltage_value(rdev, std_vddc,
2374 level->vddc.index, &level->std_vddc);
2375
2376 if (eg_pi->vddci_control) {
2377 ret = ni_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table,
2378 pl->vddci, &level->vddci);
2379 if (ret)
2380 return ret;
2381 }
2382
2383 ni_populate_mvdd_value(rdev, pl->mclk, &level->mvdd);
2384
2385 return ret;
2386}
2387
2388static int ni_populate_smc_t(struct radeon_device *rdev,
2389 struct radeon_ps *radeon_state,
2390 NISLANDS_SMC_SWSTATE *smc_state)
2391{
2392 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2393 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2394 struct ni_ps *state = ni_get_ps(radeon_state);
2395 u32 a_t;
2396 u32 t_l, t_h;
2397 u32 high_bsp;
2398 int i, ret;
2399
2400 if (state->performance_level_count >= 9)
2401 return -EINVAL;
2402
2403 if (state->performance_level_count < 2) {
2404 a_t = CG_R(0xffff) | CG_L(0);
2405 smc_state->levels[0].aT = cpu_to_be32(a_t);
2406 return 0;
2407 }
2408
2409 smc_state->levels[0].aT = cpu_to_be32(0);
2410
2411 for (i = 0; i <= state->performance_level_count - 2; i++) {
2412 if (eg_pi->uvd_enabled)
2413 ret = r600_calculate_at(
2414 1000 * (i * (eg_pi->smu_uvd_hs ? 2 : 8) + 2),
2415 100 * R600_AH_DFLT,
2416 state->performance_levels[i + 1].sclk,
2417 state->performance_levels[i].sclk,
2418 &t_l,
2419 &t_h);
2420 else
2421 ret = r600_calculate_at(
2422 1000 * (i + 1),
2423 100 * R600_AH_DFLT,
2424 state->performance_levels[i + 1].sclk,
2425 state->performance_levels[i].sclk,
2426 &t_l,
2427 &t_h);
2428
2429 if (ret) {
2430 t_h = (i + 1) * 1000 - 50 * R600_AH_DFLT;
2431 t_l = (i + 1) * 1000 + 50 * R600_AH_DFLT;
2432 }
2433
2434 a_t = be32_to_cpu(smc_state->levels[i].aT) & ~CG_R_MASK;
2435 a_t |= CG_R(t_l * pi->bsp / 20000);
2436 smc_state->levels[i].aT = cpu_to_be32(a_t);
2437
2438 high_bsp = (i == state->performance_level_count - 2) ?
2439 pi->pbsp : pi->bsp;
2440
2441 a_t = CG_R(0xffff) | CG_L(t_h * high_bsp / 20000);
2442 smc_state->levels[i + 1].aT = cpu_to_be32(a_t);
2443 }
2444
2445 return 0;
2446}
2447
2448static int ni_populate_power_containment_values(struct radeon_device *rdev,
2449 struct radeon_ps *radeon_state,
2450 NISLANDS_SMC_SWSTATE *smc_state)
2451{
2452 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2453 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2454 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2455 struct ni_ps *state = ni_get_ps(radeon_state);
2456 u32 prev_sclk;
2457 u32 max_sclk;
2458 u32 min_sclk;
2459 int i, ret;
2460 u32 tdp_limit;
2461 u32 near_tdp_limit;
2462 u32 power_boost_limit;
2463 u8 max_ps_percent;
2464
2465 if (ni_pi->enable_power_containment == false)
2466 return 0;
2467
2468 if (state->performance_level_count == 0)
2469 return -EINVAL;
2470
2471 if (smc_state->levelCount != state->performance_level_count)
2472 return -EINVAL;
2473
2474 ret = ni_calculate_adjusted_tdp_limits(rdev,
2475 false, /* ??? */
2476 rdev->pm.dpm.tdp_adjustment,
2477 &tdp_limit,
2478 &near_tdp_limit);
2479 if (ret)
2480 return ret;
2481
2482 power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state, near_tdp_limit);
2483
2484 ret = rv770_write_smc_sram_dword(rdev,
2485 pi->state_table_start +
2486 offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
2487 offsetof(PP_NIslands_DPM2Parameters, PowerBoostLimit),
2488 ni_scale_power_for_smc(power_boost_limit, ni_get_smc_power_scaling_factor(rdev)),
2489 pi->sram_end);
2490 if (ret)
2491 power_boost_limit = 0;
2492
2493 smc_state->levels[0].dpm2.MaxPS = 0;
2494 smc_state->levels[0].dpm2.NearTDPDec = 0;
2495 smc_state->levels[0].dpm2.AboveSafeInc = 0;
2496 smc_state->levels[0].dpm2.BelowSafeInc = 0;
2497 smc_state->levels[0].stateFlags |= power_boost_limit ? PPSMC_STATEFLAG_POWERBOOST : 0;
2498
2499 for (i = 1; i < state->performance_level_count; i++) {
2500 prev_sclk = state->performance_levels[i-1].sclk;
2501 max_sclk = state->performance_levels[i].sclk;
2502 max_ps_percent = (i != (state->performance_level_count - 1)) ?
2503 NISLANDS_DPM2_MAXPS_PERCENT_M : NISLANDS_DPM2_MAXPS_PERCENT_H;
2504
2505 if (max_sclk < prev_sclk)
2506 return -EINVAL;
2507
2508 if ((max_ps_percent == 0) || (prev_sclk == max_sclk) || eg_pi->uvd_enabled)
2509 min_sclk = max_sclk;
2510 else if (1 == i)
2511 min_sclk = prev_sclk;
2512 else
2513 min_sclk = (prev_sclk * (u32)max_ps_percent) / 100;
2514
2515 if (min_sclk < state->performance_levels[0].sclk)
2516 min_sclk = state->performance_levels[0].sclk;
2517
2518 if (min_sclk == 0)
2519 return -EINVAL;
2520
2521 smc_state->levels[i].dpm2.MaxPS =
2522 (u8)((NISLANDS_DPM2_MAX_PULSE_SKIP * (max_sclk - min_sclk)) / max_sclk);
2523 smc_state->levels[i].dpm2.NearTDPDec = NISLANDS_DPM2_NEAR_TDP_DEC;
2524 smc_state->levels[i].dpm2.AboveSafeInc = NISLANDS_DPM2_ABOVE_SAFE_INC;
2525 smc_state->levels[i].dpm2.BelowSafeInc = NISLANDS_DPM2_BELOW_SAFE_INC;
2526 smc_state->levels[i].stateFlags |=
2527 ((i != (state->performance_level_count - 1)) && power_boost_limit) ?
2528 PPSMC_STATEFLAG_POWERBOOST : 0;
2529 }
2530
2531 return 0;
2532}
2533
2534static int ni_populate_sq_ramping_values(struct radeon_device *rdev,
2535 struct radeon_ps *radeon_state,
2536 NISLANDS_SMC_SWSTATE *smc_state)
2537{
2538 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2539 struct ni_ps *state = ni_get_ps(radeon_state);
2540 u32 sq_power_throttle;
2541 u32 sq_power_throttle2;
2542 bool enable_sq_ramping = ni_pi->enable_sq_ramping;
2543 int i;
2544
2545 if (state->performance_level_count == 0)
2546 return -EINVAL;
2547
2548 if (smc_state->levelCount != state->performance_level_count)
2549 return -EINVAL;
2550
2551 if (rdev->pm.dpm.sq_ramping_threshold == 0)
2552 return -EINVAL;
2553
2554 if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER > (MAX_POWER_MASK >> MAX_POWER_SHIFT))
2555 enable_sq_ramping = false;
2556
2557 if (NISLANDS_DPM2_SQ_RAMP_MIN_POWER > (MIN_POWER_MASK >> MIN_POWER_SHIFT))
2558 enable_sq_ramping = false;
2559
2560 if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA > (MAX_POWER_DELTA_MASK >> MAX_POWER_DELTA_SHIFT))
2561 enable_sq_ramping = false;
2562
2563 if (NISLANDS_DPM2_SQ_RAMP_STI_SIZE > (STI_SIZE_MASK >> STI_SIZE_SHIFT))
2564 enable_sq_ramping = false;
2565
2566 if (NISLANDS_DPM2_SQ_RAMP_LTI_RATIO > (LTI_RATIO_MASK >> LTI_RATIO_SHIFT))
2567 enable_sq_ramping = false;
2568
2569 for (i = 0; i < state->performance_level_count; i++) {
2570 sq_power_throttle = 0;
2571 sq_power_throttle2 = 0;
2572
2573 if ((state->performance_levels[i].sclk >= rdev->pm.dpm.sq_ramping_threshold) &&
2574 enable_sq_ramping) {
2575 sq_power_throttle |= MAX_POWER(NISLANDS_DPM2_SQ_RAMP_MAX_POWER);
2576 sq_power_throttle |= MIN_POWER(NISLANDS_DPM2_SQ_RAMP_MIN_POWER);
2577 sq_power_throttle2 |= MAX_POWER_DELTA(NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA);
2578 sq_power_throttle2 |= STI_SIZE(NISLANDS_DPM2_SQ_RAMP_STI_SIZE);
2579 sq_power_throttle2 |= LTI_RATIO(NISLANDS_DPM2_SQ_RAMP_LTI_RATIO);
2580 } else {
2581 sq_power_throttle |= MAX_POWER_MASK | MIN_POWER_MASK;
2582 sq_power_throttle2 |= MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
2583 }
2584
2585 smc_state->levels[i].SQPowerThrottle = cpu_to_be32(sq_power_throttle);
2586 smc_state->levels[i].SQPowerThrottle_2 = cpu_to_be32(sq_power_throttle2);
2587 }
2588
2589 return 0;
2590}
2591
2592static int ni_enable_power_containment(struct radeon_device *rdev,
2593 struct radeon_ps *radeon_new_state,
2594 bool enable)
2595{
2596 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2597 PPSMC_Result smc_result;
2598 int ret = 0;
2599
2600 if (ni_pi->enable_power_containment) {
2601 if (enable) {
2602 if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
2603 smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingActive);
2604 if (smc_result != PPSMC_Result_OK) {
2605 ret = -EINVAL;
2606 ni_pi->pc_enabled = false;
2607 } else {
2608 ni_pi->pc_enabled = true;
2609 }
2610 }
2611 } else {
2612 smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingInactive);
2613 if (smc_result != PPSMC_Result_OK)
2614 ret = -EINVAL;
2615 ni_pi->pc_enabled = false;
2616 }
2617 }
2618
2619 return ret;
2620}
2621
2622static int ni_convert_power_state_to_smc(struct radeon_device *rdev,
2623 struct radeon_ps *radeon_state,
2624 NISLANDS_SMC_SWSTATE *smc_state)
2625{
2626 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2627 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2628 struct ni_ps *state = ni_get_ps(radeon_state);
2629 int i, ret;
2630 u32 threshold = state->performance_levels[state->performance_level_count - 1].sclk * 100 / 100;
2631
2632 if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC))
2633 smc_state->flags |= PPSMC_SWSTATE_FLAG_DC;
2634
2635 smc_state->levelCount = 0;
2636
2637 if (state->performance_level_count > NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE)
2638 return -EINVAL;
2639
2640 for (i = 0; i < state->performance_level_count; i++) {
2641 ret = ni_convert_power_level_to_smc(rdev, &state->performance_levels[i],
2642 &smc_state->levels[i]);
2643 smc_state->levels[i].arbRefreshState =
2644 (u8)(NISLANDS_DRIVER_STATE_ARB_INDEX + i);
2645
2646 if (ret)
2647 return ret;
2648
2649 if (ni_pi->enable_power_containment)
2650 smc_state->levels[i].displayWatermark =
2651 (state->performance_levels[i].sclk < threshold) ?
2652 PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2653 else
2654 smc_state->levels[i].displayWatermark = (i < 2) ?
2655 PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
2656
2657 if (eg_pi->dynamic_ac_timing)
2658 smc_state->levels[i].ACIndex = NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i;
2659 else
2660 smc_state->levels[i].ACIndex = 0;
2661
2662 smc_state->levelCount++;
2663 }
2664
2665 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_watermark_threshold,
2666 cpu_to_be32(threshold / 512));
2667
2668 ni_populate_smc_sp(rdev, radeon_state, smc_state);
2669
2670 ret = ni_populate_power_containment_values(rdev, radeon_state, smc_state);
2671 if (ret)
2672 ni_pi->enable_power_containment = false;
2673
2674 ret = ni_populate_sq_ramping_values(rdev, radeon_state, smc_state);
2675 if (ret)
2676 ni_pi->enable_sq_ramping = false;
2677
2678 return ni_populate_smc_t(rdev, radeon_state, smc_state);
2679}
2680
2681static int ni_upload_sw_state(struct radeon_device *rdev,
2682 struct radeon_ps *radeon_new_state)
2683{
2684 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2685 u16 address = pi->state_table_start +
2686 offsetof(NISLANDS_SMC_STATETABLE, driverState);
2687 u16 state_size = sizeof(NISLANDS_SMC_SWSTATE) +
2688 ((NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1) * sizeof(NISLANDS_SMC_HW_PERFORMANCE_LEVEL));
2689 int ret;
2690 NISLANDS_SMC_SWSTATE *smc_state = kzalloc(state_size, GFP_KERNEL);
2691
2692 if (smc_state == NULL)
2693 return -ENOMEM;
2694
2695 ret = ni_convert_power_state_to_smc(rdev, radeon_new_state, smc_state);
2696 if (ret)
2697 goto done;
2698
2699 ret = rv770_copy_bytes_to_smc(rdev, address, (u8 *)smc_state, state_size, pi->sram_end);
2700
2701done:
2702 kfree(smc_state);
2703
2704 return ret;
2705}
2706
2707static int ni_set_mc_special_registers(struct radeon_device *rdev,
2708 struct ni_mc_reg_table *table)
2709{
2710 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2711 u8 i, j, k;
2712 u32 temp_reg;
2713
2714 for (i = 0, j = table->last; i < table->last; i++) {
2715 switch (table->mc_reg_address[i].s1) {
2716 case MC_SEQ_MISC1 >> 2:
2717 if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2718 return -EINVAL;
2719 temp_reg = RREG32(MC_PMG_CMD_EMRS);
2720 table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
2721 table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2722 for (k = 0; k < table->num_entries; k++)
2723 table->mc_reg_table_entry[k].mc_data[j] =
2724 ((temp_reg & 0xffff0000)) |
2725 ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
2726 j++;
2727 if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2728 return -EINVAL;
2729
2730 temp_reg = RREG32(MC_PMG_CMD_MRS);
2731 table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
2732 table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2733 for(k = 0; k < table->num_entries; k++) {
2734 table->mc_reg_table_entry[k].mc_data[j] =
2735 (temp_reg & 0xffff0000) |
2736 (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2737 if (!pi->mem_gddr5)
2738 table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
2739 }
2740 j++;
2741 if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2742 return -EINVAL;
2743 break;
2744 case MC_SEQ_RESERVE_M >> 2:
2745 temp_reg = RREG32(MC_PMG_CMD_MRS1);
2746 table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
2747 table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2748 for (k = 0; k < table->num_entries; k++)
2749 table->mc_reg_table_entry[k].mc_data[j] =
2750 (temp_reg & 0xffff0000) |
2751 (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2752 j++;
2753 if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2754 return -EINVAL;
2755 break;
2756 default:
2757 break;
2758 }
2759 }
2760
2761 table->last = j;
2762
2763 return 0;
2764}
2765
2766static bool ni_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
2767{
2768 bool result = true;
2769
2770 switch (in_reg) {
2771 case MC_SEQ_RAS_TIMING >> 2:
2772 *out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
2773 break;
2774 case MC_SEQ_CAS_TIMING >> 2:
2775 *out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
2776 break;
2777 case MC_SEQ_MISC_TIMING >> 2:
2778 *out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
2779 break;
2780 case MC_SEQ_MISC_TIMING2 >> 2:
2781 *out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
2782 break;
2783 case MC_SEQ_RD_CTL_D0 >> 2:
2784 *out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
2785 break;
2786 case MC_SEQ_RD_CTL_D1 >> 2:
2787 *out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
2788 break;
2789 case MC_SEQ_WR_CTL_D0 >> 2:
2790 *out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
2791 break;
2792 case MC_SEQ_WR_CTL_D1 >> 2:
2793 *out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
2794 break;
2795 case MC_PMG_CMD_EMRS >> 2:
2796 *out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
2797 break;
2798 case MC_PMG_CMD_MRS >> 2:
2799 *out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
2800 break;
2801 case MC_PMG_CMD_MRS1 >> 2:
2802 *out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
2803 break;
2804 case MC_SEQ_PMG_TIMING >> 2:
2805 *out_reg = MC_SEQ_PMG_TIMING_LP >> 2;
2806 break;
2807 case MC_PMG_CMD_MRS2 >> 2:
2808 *out_reg = MC_SEQ_PMG_CMD_MRS2_LP >> 2;
2809 break;
2810 default:
2811 result = false;
2812 break;
2813 }
2814
2815 return result;
2816}
2817
2818static void ni_set_valid_flag(struct ni_mc_reg_table *table)
2819{
2820 u8 i, j;
2821
2822 for (i = 0; i < table->last; i++) {
2823 for (j = 1; j < table->num_entries; j++) {
2824 if (table->mc_reg_table_entry[j-1].mc_data[i] != table->mc_reg_table_entry[j].mc_data[i]) {
2825 table->valid_flag |= 1 << i;
2826 break;
2827 }
2828 }
2829 }
2830}
2831
2832static void ni_set_s0_mc_reg_index(struct ni_mc_reg_table *table)
2833{
2834 u32 i;
2835 u16 address;
2836
2837 for (i = 0; i < table->last; i++)
2838 table->mc_reg_address[i].s0 =
2839 ni_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
2840 address : table->mc_reg_address[i].s1;
2841}
2842
2843static int ni_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
2844 struct ni_mc_reg_table *ni_table)
2845{
2846 u8 i, j;
2847
2848 if (table->last > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2849 return -EINVAL;
2850 if (table->num_entries > MAX_AC_TIMING_ENTRIES)
2851 return -EINVAL;
2852
2853 for (i = 0; i < table->last; i++)
2854 ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
2855 ni_table->last = table->last;
2856
2857 for (i = 0; i < table->num_entries; i++) {
2858 ni_table->mc_reg_table_entry[i].mclk_max =
2859 table->mc_reg_table_entry[i].mclk_max;
2860 for (j = 0; j < table->last; j++)
2861 ni_table->mc_reg_table_entry[i].mc_data[j] =
2862 table->mc_reg_table_entry[i].mc_data[j];
2863 }
2864 ni_table->num_entries = table->num_entries;
2865
2866 return 0;
2867}
2868
2869static int ni_initialize_mc_reg_table(struct radeon_device *rdev)
2870{
2871 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2872 int ret;
2873 struct atom_mc_reg_table *table;
2874 struct ni_mc_reg_table *ni_table = &ni_pi->mc_reg_table;
2875 u8 module_index = rv770_get_memory_module_index(rdev);
2876
2877 table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
2878 if (!table)
2879 return -ENOMEM;
2880
2881 WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
2882 WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
2883 WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
2884 WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
2885 WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
2886 WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
2887 WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
2888 WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
2889 WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
2890 WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
2891 WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
2892 WREG32(MC_SEQ_PMG_TIMING_LP, RREG32(MC_SEQ_PMG_TIMING));
2893 WREG32(MC_SEQ_PMG_CMD_MRS2_LP, RREG32(MC_PMG_CMD_MRS2));
2894
2895 ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);
2896
2897 if (ret)
2898 goto init_mc_done;
2899
2900 ret = ni_copy_vbios_mc_reg_table(table, ni_table);
2901
2902 if (ret)
2903 goto init_mc_done;
2904
2905 ni_set_s0_mc_reg_index(ni_table);
2906
2907 ret = ni_set_mc_special_registers(rdev, ni_table);
2908
2909 if (ret)
2910 goto init_mc_done;
2911
2912 ni_set_valid_flag(ni_table);
2913
2914init_mc_done:
2915 kfree(table);
2916
2917 return ret;
2918}
2919
2920static void ni_populate_mc_reg_addresses(struct radeon_device *rdev,
2921 SMC_NIslands_MCRegisters *mc_reg_table)
2922{
2923 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2924 u32 i, j;
2925
2926 for (i = 0, j = 0; j < ni_pi->mc_reg_table.last; j++) {
2927 if (ni_pi->mc_reg_table.valid_flag & (1 << j)) {
2928 if (i >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
2929 break;
2930 mc_reg_table->address[i].s0 =
2931 cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s0);
2932 mc_reg_table->address[i].s1 =
2933 cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s1);
2934 i++;
2935 }
2936 }
2937 mc_reg_table->last = (u8)i;
2938}
2939
2940
2941static void ni_convert_mc_registers(struct ni_mc_reg_entry *entry,
2942 SMC_NIslands_MCRegisterSet *data,
2943 u32 num_entries, u32 valid_flag)
2944{
2945 u32 i, j;
2946
2947 for (i = 0, j = 0; j < num_entries; j++) {
2948 if (valid_flag & (1 << j)) {
2949 data->value[i] = cpu_to_be32(entry->mc_data[j]);
2950 i++;
2951 }
2952 }
2953}
2954
2955static void ni_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev,
2956 struct rv7xx_pl *pl,
2957 SMC_NIslands_MCRegisterSet *mc_reg_table_data)
2958{
2959 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2960 u32 i = 0;
2961
2962 for (i = 0; i < ni_pi->mc_reg_table.num_entries; i++) {
2963 if (pl->mclk <= ni_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max)
2964 break;
2965 }
2966
2967 if ((i == ni_pi->mc_reg_table.num_entries) && (i > 0))
2968 --i;
2969
2970 ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[i],
2971 mc_reg_table_data,
2972 ni_pi->mc_reg_table.last,
2973 ni_pi->mc_reg_table.valid_flag);
2974}
2975
2976static void ni_convert_mc_reg_table_to_smc(struct radeon_device *rdev,
2977 struct radeon_ps *radeon_state,
2978 SMC_NIslands_MCRegisters *mc_reg_table)
2979{
2980 struct ni_ps *state = ni_get_ps(radeon_state);
2981 int i;
2982
2983 for (i = 0; i < state->performance_level_count; i++) {
2984 ni_convert_mc_reg_table_entry_to_smc(rdev,
2985 &state->performance_levels[i],
2986 &mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i]);
2987 }
2988}
2989
2990static int ni_populate_mc_reg_table(struct radeon_device *rdev,
2991 struct radeon_ps *radeon_boot_state)
2992{
2993 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2994 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2995 struct ni_power_info *ni_pi = ni_get_pi(rdev);
2996 struct ni_ps *boot_state = ni_get_ps(radeon_boot_state);
2997 SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
2998
2999 memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3000
3001 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_seq_index, 1);
3002
3003 ni_populate_mc_reg_addresses(rdev, mc_reg_table);
3004
3005 ni_convert_mc_reg_table_entry_to_smc(rdev, &boot_state->performance_levels[0],
3006 &mc_reg_table->data[0]);
3007
3008 ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[0],
3009 &mc_reg_table->data[1],
3010 ni_pi->mc_reg_table.last,
3011 ni_pi->mc_reg_table.valid_flag);
3012
3013 ni_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, mc_reg_table);
3014
3015 return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start,
3016 (u8 *)mc_reg_table,
3017 sizeof(SMC_NIslands_MCRegisters),
3018 pi->sram_end);
3019}
3020
3021static int ni_upload_mc_reg_table(struct radeon_device *rdev,
3022 struct radeon_ps *radeon_new_state)
3023{
3024 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3025 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3026 struct ni_power_info *ni_pi = ni_get_pi(rdev);
3027 struct ni_ps *ni_new_state = ni_get_ps(radeon_new_state);
3028 SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
3029 u16 address;
3030
3031 memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));
3032
3033 ni_convert_mc_reg_table_to_smc(rdev, radeon_new_state, mc_reg_table);
3034
3035 address = eg_pi->mc_reg_table_start +
3036 (u16)offsetof(SMC_NIslands_MCRegisters, data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT]);
3037
3038 return rv770_copy_bytes_to_smc(rdev, address,
3039 (u8 *)&mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT],
3040 sizeof(SMC_NIslands_MCRegisterSet) * ni_new_state->performance_level_count,
3041 pi->sram_end);
3042}
3043
3044static int ni_init_driver_calculated_leakage_table(struct radeon_device *rdev,
3045 PP_NIslands_CACTABLES *cac_tables)
3046{
3047 struct ni_power_info *ni_pi = ni_get_pi(rdev);
3048 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3049 u32 leakage = 0;
3050 unsigned int i, j, table_size;
3051 s32 t;
3052 u32 smc_leakage, max_leakage = 0;
3053 u32 scaling_factor;
3054
3055 table_size = eg_pi->vddc_voltage_table.count;
3056
3057 if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3058 table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3059
3060 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3061
3062 for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++) {
3063 for (j = 0; j < table_size; j++) {
3064 t = (1000 * ((i + 1) * 8));
3065
3066 if (t < ni_pi->cac_data.leakage_minimum_temperature)
3067 t = ni_pi->cac_data.leakage_minimum_temperature;
3068
3069 ni_calculate_leakage_for_v_and_t(rdev,
3070 &ni_pi->cac_data.leakage_coefficients,
3071 eg_pi->vddc_voltage_table.entries[j].value,
3072 t,
3073 ni_pi->cac_data.i_leakage,
3074 &leakage);
3075
3076 smc_leakage = ni_scale_power_for_smc(leakage, scaling_factor) / 1000;
3077 if (smc_leakage > max_leakage)
3078 max_leakage = smc_leakage;
3079
3080 cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(smc_leakage);
3081 }
3082 }
3083
3084 for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3085 for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3086 cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(max_leakage);
3087 }
3088 return 0;
3089}
3090
3091static int ni_init_simplified_leakage_table(struct radeon_device *rdev,
3092 PP_NIslands_CACTABLES *cac_tables)
3093{
3094 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
3095 struct radeon_cac_leakage_table *leakage_table =
3096 &rdev->pm.dpm.dyn_state.cac_leakage_table;
3097 u32 i, j, table_size;
3098 u32 smc_leakage, max_leakage = 0;
3099 u32 scaling_factor;
3100
3101 if (!leakage_table)
3102 return -EINVAL;
3103
3104 table_size = leakage_table->count;
3105
3106 if (eg_pi->vddc_voltage_table.count != table_size)
3107 table_size = (eg_pi->vddc_voltage_table.count < leakage_table->count) ?
3108 eg_pi->vddc_voltage_table.count : leakage_table->count;
3109
3110 if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
3111 table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;
3112
3113 if (table_size == 0)
3114 return -EINVAL;
3115
3116 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
3117
3118 for (j = 0; j < table_size; j++) {
3119 smc_leakage = leakage_table->entries[j].leakage;
3120
3121 if (smc_leakage > max_leakage)
3122 max_leakage = smc_leakage;
3123
3124 for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3125 cac_tables->cac_lkge_lut[i][j] =
3126 cpu_to_be32(ni_scale_power_for_smc(smc_leakage, scaling_factor));
3127 }
3128
3129 for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
3130 for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
3131 cac_tables->cac_lkge_lut[i][j] =
3132 cpu_to_be32(ni_scale_power_for_smc(max_leakage, scaling_factor));
3133 }
3134 return 0;
3135}
3136
3137static int ni_initialize_smc_cac_tables(struct radeon_device *rdev)
3138{
3139 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
3140 struct ni_power_info *ni_pi = ni_get_pi(rdev);
3141 PP_NIslands_CACTABLES *cac_tables = NULL;
3142 int i, ret;
3143 u32 reg;
3144
3145 if (ni_pi->enable_cac == false)
3146 return 0;
3147
3148 cac_tables = kzalloc(sizeof(PP_NIslands_CACTABLES), GFP_KERNEL);
3149 if (!cac_tables)
3150 return -ENOMEM;
3151
3152 reg = RREG32(CG_CAC_CTRL) & ~(TID_CNT_MASK | TID_UNIT_MASK);
3153 reg |= (TID_CNT(ni_pi->cac_weights->tid_cnt) |
3154 TID_UNIT(ni_pi->cac_weights->tid_unit));
3155 WREG32(CG_CAC_CTRL, reg);
3156
3157 for (i = 0; i < NISLANDS_DCCAC_MAX_LEVELS; i++)
3158 ni_pi->dc_cac_table[i] = ni_pi->cac_weights->dc_cac[i];
3159
3160 for (i = 0; i < SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES; i++)
3161 cac_tables->cac_bif_lut[i] = ni_pi->cac_weights->pcie_cac[i];
3162
3163 ni_pi->cac_data.i_leakage = rdev->pm.dpm.cac_leakage;
3164 ni_pi->cac_data.pwr_const = 0;
3165 ni_pi->cac_data.dc_cac_value = ni_pi->dc_cac_table[NISLANDS_DCCAC_LEVEL_0];
3166 ni_pi->cac_data.bif_cac_value = 0;
3167 ni_pi->cac_data.mc_wr_weight = ni_pi->cac_weights->mc_write_weight;
3168 ni_pi->cac_data.mc_rd_weight = ni_pi->cac_weights->mc_read_weight;
3169 ni_pi->cac_data.allow_ovrflw = 0;
3170 ni_pi->cac_data.l2num_win_tdp = ni_pi->lta_window_size;
3171 ni_pi->cac_data.num_win_tdp = 0;
3172 ni_pi->cac_data.lts_truncate_n = ni_pi->lts_truncate;
3173
3174 if (ni_pi->driver_calculate_cac_leakage)
3175 ret = ni_init_driver_calculated_leakage_table(rdev, cac_tables);
3176 else
3177 ret = ni_init_simplified_leakage_table(rdev, cac_tables);
3178
3179 if (ret)
3180 goto done_free;
3181
3182 cac_tables->pwr_const = cpu_to_be32(ni_pi->cac_data.pwr_const);
3183 cac_tables->dc_cacValue = cpu_to_be32(ni_pi->cac_data.dc_cac_value);
3184 cac_tables->bif_cacValue = cpu_to_be32(ni_pi->cac_data.bif_cac_value);
3185 cac_tables->AllowOvrflw = ni_pi->cac_data.allow_ovrflw;
3186 cac_tables->MCWrWeight = ni_pi->cac_data.mc_wr_weight;
3187 cac_tables->MCRdWeight = ni_pi->cac_data.mc_rd_weight;
3188 cac_tables->numWin_TDP = ni_pi->cac_data.num_win_tdp;
3189 cac_tables->l2numWin_TDP = ni_pi->cac_data.l2num_win_tdp;
3190 cac_tables->lts_truncate_n = ni_pi->cac_data.lts_truncate_n;
3191
3192 ret = rv770_copy_bytes_to_smc(rdev, ni_pi->cac_table_start, (u8 *)cac_tables,
3193 sizeof(PP_NIslands_CACTABLES),