xref: /openbmc/linux/drivers/gpu/drm/radeon/btc_dpm.c (revision 2169e6da) 
1 /*
2  * Copyright 2011 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  * Authors: Alex Deucher
23  */
24 
25 #include <linux/seq_file.h>
26 
27 #include <drm/drm_pci.h>
28 
29 #include "atom.h"
30 #include "btc_dpm.h"
31 #include "btcd.h"
32 #include "cypress_dpm.h"
33 #include "r600_dpm.h"
34 #include "radeon.h"
35 #include "radeon_asic.h"
36 
37 #define MC_CG_ARB_FREQ_F0           0x0a
38 #define MC_CG_ARB_FREQ_F1           0x0b
39 #define MC_CG_ARB_FREQ_F2           0x0c
40 #define MC_CG_ARB_FREQ_F3           0x0d
41 
42 #define MC_CG_SEQ_DRAMCONF_S0       0x05
43 #define MC_CG_SEQ_DRAMCONF_S1       0x06
44 #define MC_CG_SEQ_YCLK_SUSPEND      0x04
45 #define MC_CG_SEQ_YCLK_RESUME       0x0a
46 
47 #define SMC_RAM_END 0x8000
48 
49 #ifndef BTC_MGCG_SEQUENCE
50 #define BTC_MGCG_SEQUENCE  300
51 
52 struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps);
53 struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
54 struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev);
55 
56 extern int ni_mc_load_microcode(struct radeon_device *rdev);
57 
58 //********* BARTS **************//
59 static const u32 barts_cgcg_cgls_default[] =
60 {
61 	/* Register,   Value,     Mask bits */
62 	0x000008f8, 0x00000010, 0xffffffff,
63 	0x000008fc, 0x00000000, 0xffffffff,
64 	0x000008f8, 0x00000011, 0xffffffff,
65 	0x000008fc, 0x00000000, 0xffffffff,
66 	0x000008f8, 0x00000012, 0xffffffff,
67 	0x000008fc, 0x00000000, 0xffffffff,
68 	0x000008f8, 0x00000013, 0xffffffff,
69 	0x000008fc, 0x00000000, 0xffffffff,
70 	0x000008f8, 0x00000014, 0xffffffff,
71 	0x000008fc, 0x00000000, 0xffffffff,
72 	0x000008f8, 0x00000015, 0xffffffff,
73 	0x000008fc, 0x00000000, 0xffffffff,
74 	0x000008f8, 0x00000016, 0xffffffff,
75 	0x000008fc, 0x00000000, 0xffffffff,
76 	0x000008f8, 0x00000017, 0xffffffff,
77 	0x000008fc, 0x00000000, 0xffffffff,
78 	0x000008f8, 0x00000018, 0xffffffff,
79 	0x000008fc, 0x00000000, 0xffffffff,
80 	0x000008f8, 0x00000019, 0xffffffff,
81 	0x000008fc, 0x00000000, 0xffffffff,
82 	0x000008f8, 0x0000001a, 0xffffffff,
83 	0x000008fc, 0x00000000, 0xffffffff,
84 	0x000008f8, 0x0000001b, 0xffffffff,
85 	0x000008fc, 0x00000000, 0xffffffff,
86 	0x000008f8, 0x00000020, 0xffffffff,
87 	0x000008fc, 0x00000000, 0xffffffff,
88 	0x000008f8, 0x00000021, 0xffffffff,
89 	0x000008fc, 0x00000000, 0xffffffff,
90 	0x000008f8, 0x00000022, 0xffffffff,
91 	0x000008fc, 0x00000000, 0xffffffff,
92 	0x000008f8, 0x00000023, 0xffffffff,
93 	0x000008fc, 0x00000000, 0xffffffff,
94 	0x000008f8, 0x00000024, 0xffffffff,
95 	0x000008fc, 0x00000000, 0xffffffff,
96 	0x000008f8, 0x00000025, 0xffffffff,
97 	0x000008fc, 0x00000000, 0xffffffff,
98 	0x000008f8, 0x00000026, 0xffffffff,
99 	0x000008fc, 0x00000000, 0xffffffff,
100 	0x000008f8, 0x00000027, 0xffffffff,
101 	0x000008fc, 0x00000000, 0xffffffff,
102 	0x000008f8, 0x00000028, 0xffffffff,
103 	0x000008fc, 0x00000000, 0xffffffff,
104 	0x000008f8, 0x00000029, 0xffffffff,
105 	0x000008fc, 0x00000000, 0xffffffff,
106 	0x000008f8, 0x0000002a, 0xffffffff,
107 	0x000008fc, 0x00000000, 0xffffffff,
108 	0x000008f8, 0x0000002b, 0xffffffff,
109 	0x000008fc, 0x00000000, 0xffffffff
110 };
111 #define BARTS_CGCG_CGLS_DEFAULT_LENGTH sizeof(barts_cgcg_cgls_default) / (3 * sizeof(u32))
112 
113 static const u32 barts_cgcg_cgls_disable[] =
114 {
115 	0x000008f8, 0x00000010, 0xffffffff,
116 	0x000008fc, 0xffffffff, 0xffffffff,
117 	0x000008f8, 0x00000011, 0xffffffff,
118 	0x000008fc, 0xffffffff, 0xffffffff,
119 	0x000008f8, 0x00000012, 0xffffffff,
120 	0x000008fc, 0xffffffff, 0xffffffff,
121 	0x000008f8, 0x00000013, 0xffffffff,
122 	0x000008fc, 0xffffffff, 0xffffffff,
123 	0x000008f8, 0x00000014, 0xffffffff,
124 	0x000008fc, 0xffffffff, 0xffffffff,
125 	0x000008f8, 0x00000015, 0xffffffff,
126 	0x000008fc, 0xffffffff, 0xffffffff,
127 	0x000008f8, 0x00000016, 0xffffffff,
128 	0x000008fc, 0xffffffff, 0xffffffff,
129 	0x000008f8, 0x00000017, 0xffffffff,
130 	0x000008fc, 0xffffffff, 0xffffffff,
131 	0x000008f8, 0x00000018, 0xffffffff,
132 	0x000008fc, 0xffffffff, 0xffffffff,
133 	0x000008f8, 0x00000019, 0xffffffff,
134 	0x000008fc, 0xffffffff, 0xffffffff,
135 	0x000008f8, 0x0000001a, 0xffffffff,
136 	0x000008fc, 0xffffffff, 0xffffffff,
137 	0x000008f8, 0x0000001b, 0xffffffff,
138 	0x000008fc, 0xffffffff, 0xffffffff,
139 	0x000008f8, 0x00000020, 0xffffffff,
140 	0x000008fc, 0x00000000, 0xffffffff,
141 	0x000008f8, 0x00000021, 0xffffffff,
142 	0x000008fc, 0x00000000, 0xffffffff,
143 	0x000008f8, 0x00000022, 0xffffffff,
144 	0x000008fc, 0x00000000, 0xffffffff,
145 	0x000008f8, 0x00000023, 0xffffffff,
146 	0x000008fc, 0x00000000, 0xffffffff,
147 	0x000008f8, 0x00000024, 0xffffffff,
148 	0x000008fc, 0x00000000, 0xffffffff,
149 	0x000008f8, 0x00000025, 0xffffffff,
150 	0x000008fc, 0x00000000, 0xffffffff,
151 	0x000008f8, 0x00000026, 0xffffffff,
152 	0x000008fc, 0x00000000, 0xffffffff,
153 	0x000008f8, 0x00000027, 0xffffffff,
154 	0x000008fc, 0x00000000, 0xffffffff,
155 	0x000008f8, 0x00000028, 0xffffffff,
156 	0x000008fc, 0x00000000, 0xffffffff,
157 	0x000008f8, 0x00000029, 0xffffffff,
158 	0x000008fc, 0x00000000, 0xffffffff,
159 	0x000008f8, 0x0000002a, 0xffffffff,
160 	0x000008fc, 0x00000000, 0xffffffff,
161 	0x000008f8, 0x0000002b, 0xffffffff,
162 	0x000008fc, 0x00000000, 0xffffffff,
163 	0x00000644, 0x000f7912, 0x001f4180,
164 	0x00000644, 0x000f3812, 0x001f4180
165 };
166 #define BARTS_CGCG_CGLS_DISABLE_LENGTH sizeof(barts_cgcg_cgls_disable) / (3 * sizeof(u32))
167 
168 static const u32 barts_cgcg_cgls_enable[] =
169 {
170 	/* 0x0000c124, 0x84180000, 0x00180000, */
171 	0x00000644, 0x000f7892, 0x001f4080,
172 	0x000008f8, 0x00000010, 0xffffffff,
173 	0x000008fc, 0x00000000, 0xffffffff,
174 	0x000008f8, 0x00000011, 0xffffffff,
175 	0x000008fc, 0x00000000, 0xffffffff,
176 	0x000008f8, 0x00000012, 0xffffffff,
177 	0x000008fc, 0x00000000, 0xffffffff,
178 	0x000008f8, 0x00000013, 0xffffffff,
179 	0x000008fc, 0x00000000, 0xffffffff,
180 	0x000008f8, 0x00000014, 0xffffffff,
181 	0x000008fc, 0x00000000, 0xffffffff,
182 	0x000008f8, 0x00000015, 0xffffffff,
183 	0x000008fc, 0x00000000, 0xffffffff,
184 	0x000008f8, 0x00000016, 0xffffffff,
185 	0x000008fc, 0x00000000, 0xffffffff,
186 	0x000008f8, 0x00000017, 0xffffffff,
187 	0x000008fc, 0x00000000, 0xffffffff,
188 	0x000008f8, 0x00000018, 0xffffffff,
189 	0x000008fc, 0x00000000, 0xffffffff,
190 	0x000008f8, 0x00000019, 0xffffffff,
191 	0x000008fc, 0x00000000, 0xffffffff,
192 	0x000008f8, 0x0000001a, 0xffffffff,
193 	0x000008fc, 0x00000000, 0xffffffff,
194 	0x000008f8, 0x0000001b, 0xffffffff,
195 	0x000008fc, 0x00000000, 0xffffffff,
196 	0x000008f8, 0x00000020, 0xffffffff,
197 	0x000008fc, 0xffffffff, 0xffffffff,
198 	0x000008f8, 0x00000021, 0xffffffff,
199 	0x000008fc, 0xffffffff, 0xffffffff,
200 	0x000008f8, 0x00000022, 0xffffffff,
201 	0x000008fc, 0xffffffff, 0xffffffff,
202 	0x000008f8, 0x00000023, 0xffffffff,
203 	0x000008fc, 0xffffffff, 0xffffffff,
204 	0x000008f8, 0x00000024, 0xffffffff,
205 	0x000008fc, 0xffffffff, 0xffffffff,
206 	0x000008f8, 0x00000025, 0xffffffff,
207 	0x000008fc, 0xffffffff, 0xffffffff,
208 	0x000008f8, 0x00000026, 0xffffffff,
209 	0x000008fc, 0xffffffff, 0xffffffff,
210 	0x000008f8, 0x00000027, 0xffffffff,
211 	0x000008fc, 0xffffffff, 0xffffffff,
212 	0x000008f8, 0x00000028, 0xffffffff,
213 	0x000008fc, 0xffffffff, 0xffffffff,
214 	0x000008f8, 0x00000029, 0xffffffff,
215 	0x000008fc, 0xffffffff, 0xffffffff,
216 	0x000008f8, 0x0000002a, 0xffffffff,
217 	0x000008fc, 0xffffffff, 0xffffffff,
218 	0x000008f8, 0x0000002b, 0xffffffff,
219 	0x000008fc, 0xffffffff, 0xffffffff
220 };
221 #define BARTS_CGCG_CGLS_ENABLE_LENGTH sizeof(barts_cgcg_cgls_enable) / (3 * sizeof(u32))
222 
223 static const u32 barts_mgcg_default[] =
224 {
225 	0x0000802c, 0xc0000000, 0xffffffff,
226 	0x00005448, 0x00000100, 0xffffffff,
227 	0x000055e4, 0x00600100, 0xffffffff,
228 	0x0000160c, 0x00000100, 0xffffffff,
229 	0x0000c164, 0x00000100, 0xffffffff,
230 	0x00008a18, 0x00000100, 0xffffffff,
231 	0x0000897c, 0x06000100, 0xffffffff,
232 	0x00008b28, 0x00000100, 0xffffffff,
233 	0x00009144, 0x00000100, 0xffffffff,
234 	0x00009a60, 0x00000100, 0xffffffff,
235 	0x00009868, 0x00000100, 0xffffffff,
236 	0x00008d58, 0x00000100, 0xffffffff,
237 	0x00009510, 0x00000100, 0xffffffff,
238 	0x0000949c, 0x00000100, 0xffffffff,
239 	0x00009654, 0x00000100, 0xffffffff,
240 	0x00009030, 0x00000100, 0xffffffff,
241 	0x00009034, 0x00000100, 0xffffffff,
242 	0x00009038, 0x00000100, 0xffffffff,
243 	0x0000903c, 0x00000100, 0xffffffff,
244 	0x00009040, 0x00000100, 0xffffffff,
245 	0x0000a200, 0x00000100, 0xffffffff,
246 	0x0000a204, 0x00000100, 0xffffffff,
247 	0x0000a208, 0x00000100, 0xffffffff,
248 	0x0000a20c, 0x00000100, 0xffffffff,
249 	0x0000977c, 0x00000100, 0xffffffff,
250 	0x00003f80, 0x00000100, 0xffffffff,
251 	0x0000a210, 0x00000100, 0xffffffff,
252 	0x0000a214, 0x00000100, 0xffffffff,
253 	0x000004d8, 0x00000100, 0xffffffff,
254 	0x00009784, 0x00000100, 0xffffffff,
255 	0x00009698, 0x00000100, 0xffffffff,
256 	0x000004d4, 0x00000200, 0xffffffff,
257 	0x000004d0, 0x00000000, 0xffffffff,
258 	0x000030cc, 0x00000100, 0xffffffff,
259 	0x0000d0c0, 0xff000100, 0xffffffff,
260 	0x0000802c, 0x40000000, 0xffffffff,
261 	0x0000915c, 0x00010000, 0xffffffff,
262 	0x00009160, 0x00030002, 0xffffffff,
263 	0x00009164, 0x00050004, 0xffffffff,
264 	0x00009168, 0x00070006, 0xffffffff,
265 	0x00009178, 0x00070000, 0xffffffff,
266 	0x0000917c, 0x00030002, 0xffffffff,
267 	0x00009180, 0x00050004, 0xffffffff,
268 	0x0000918c, 0x00010006, 0xffffffff,
269 	0x00009190, 0x00090008, 0xffffffff,
270 	0x00009194, 0x00070000, 0xffffffff,
271 	0x00009198, 0x00030002, 0xffffffff,
272 	0x0000919c, 0x00050004, 0xffffffff,
273 	0x000091a8, 0x00010006, 0xffffffff,
274 	0x000091ac, 0x00090008, 0xffffffff,
275 	0x000091b0, 0x00070000, 0xffffffff,
276 	0x000091b4, 0x00030002, 0xffffffff,
277 	0x000091b8, 0x00050004, 0xffffffff,
278 	0x000091c4, 0x00010006, 0xffffffff,
279 	0x000091c8, 0x00090008, 0xffffffff,
280 	0x000091cc, 0x00070000, 0xffffffff,
281 	0x000091d0, 0x00030002, 0xffffffff,
282 	0x000091d4, 0x00050004, 0xffffffff,
283 	0x000091e0, 0x00010006, 0xffffffff,
284 	0x000091e4, 0x00090008, 0xffffffff,
285 	0x000091e8, 0x00000000, 0xffffffff,
286 	0x000091ec, 0x00070000, 0xffffffff,
287 	0x000091f0, 0x00030002, 0xffffffff,
288 	0x000091f4, 0x00050004, 0xffffffff,
289 	0x00009200, 0x00010006, 0xffffffff,
290 	0x00009204, 0x00090008, 0xffffffff,
291 	0x00009208, 0x00070000, 0xffffffff,
292 	0x0000920c, 0x00030002, 0xffffffff,
293 	0x00009210, 0x00050004, 0xffffffff,
294 	0x0000921c, 0x00010006, 0xffffffff,
295 	0x00009220, 0x00090008, 0xffffffff,
296 	0x00009224, 0x00070000, 0xffffffff,
297 	0x00009228, 0x00030002, 0xffffffff,
298 	0x0000922c, 0x00050004, 0xffffffff,
299 	0x00009238, 0x00010006, 0xffffffff,
300 	0x0000923c, 0x00090008, 0xffffffff,
301 	0x00009294, 0x00000000, 0xffffffff,
302 	0x0000802c, 0x40010000, 0xffffffff,
303 	0x0000915c, 0x00010000, 0xffffffff,
304 	0x00009160, 0x00030002, 0xffffffff,
305 	0x00009164, 0x00050004, 0xffffffff,
306 	0x00009168, 0x00070006, 0xffffffff,
307 	0x00009178, 0x00070000, 0xffffffff,
308 	0x0000917c, 0x00030002, 0xffffffff,
309 	0x00009180, 0x00050004, 0xffffffff,
310 	0x0000918c, 0x00010006, 0xffffffff,
311 	0x00009190, 0x00090008, 0xffffffff,
312 	0x00009194, 0x00070000, 0xffffffff,
313 	0x00009198, 0x00030002, 0xffffffff,
314 	0x0000919c, 0x00050004, 0xffffffff,
315 	0x000091a8, 0x00010006, 0xffffffff,
316 	0x000091ac, 0x00090008, 0xffffffff,
317 	0x000091b0, 0x00070000, 0xffffffff,
318 	0x000091b4, 0x00030002, 0xffffffff,
319 	0x000091b8, 0x00050004, 0xffffffff,
320 	0x000091c4, 0x00010006, 0xffffffff,
321 	0x000091c8, 0x00090008, 0xffffffff,
322 	0x000091cc, 0x00070000, 0xffffffff,
323 	0x000091d0, 0x00030002, 0xffffffff,
324 	0x000091d4, 0x00050004, 0xffffffff,
325 	0x000091e0, 0x00010006, 0xffffffff,
326 	0x000091e4, 0x00090008, 0xffffffff,
327 	0x000091e8, 0x00000000, 0xffffffff,
328 	0x000091ec, 0x00070000, 0xffffffff,
329 	0x000091f0, 0x00030002, 0xffffffff,
330 	0x000091f4, 0x00050004, 0xffffffff,
331 	0x00009200, 0x00010006, 0xffffffff,
332 	0x00009204, 0x00090008, 0xffffffff,
333 	0x00009208, 0x00070000, 0xffffffff,
334 	0x0000920c, 0x00030002, 0xffffffff,
335 	0x00009210, 0x00050004, 0xffffffff,
336 	0x0000921c, 0x00010006, 0xffffffff,
337 	0x00009220, 0x00090008, 0xffffffff,
338 	0x00009224, 0x00070000, 0xffffffff,
339 	0x00009228, 0x00030002, 0xffffffff,
340 	0x0000922c, 0x00050004, 0xffffffff,
341 	0x00009238, 0x00010006, 0xffffffff,
342 	0x0000923c, 0x00090008, 0xffffffff,
343 	0x00009294, 0x00000000, 0xffffffff,
344 	0x0000802c, 0xc0000000, 0xffffffff,
345 	0x000008f8, 0x00000010, 0xffffffff,
346 	0x000008fc, 0x00000000, 0xffffffff,
347 	0x000008f8, 0x00000011, 0xffffffff,
348 	0x000008fc, 0x00000000, 0xffffffff,
349 	0x000008f8, 0x00000012, 0xffffffff,
350 	0x000008fc, 0x00000000, 0xffffffff,
351 	0x000008f8, 0x00000013, 0xffffffff,
352 	0x000008fc, 0x00000000, 0xffffffff,
353 	0x000008f8, 0x00000014, 0xffffffff,
354 	0x000008fc, 0x00000000, 0xffffffff,
355 	0x000008f8, 0x00000015, 0xffffffff,
356 	0x000008fc, 0x00000000, 0xffffffff,
357 	0x000008f8, 0x00000016, 0xffffffff,
358 	0x000008fc, 0x00000000, 0xffffffff,
359 	0x000008f8, 0x00000017, 0xffffffff,
360 	0x000008fc, 0x00000000, 0xffffffff,
361 	0x000008f8, 0x00000018, 0xffffffff,
362 	0x000008fc, 0x00000000, 0xffffffff,
363 	0x000008f8, 0x00000019, 0xffffffff,
364 	0x000008fc, 0x00000000, 0xffffffff,
365 	0x000008f8, 0x0000001a, 0xffffffff,
366 	0x000008fc, 0x00000000, 0xffffffff,
367 	0x000008f8, 0x0000001b, 0xffffffff,
368 	0x000008fc, 0x00000000, 0xffffffff
369 };
370 #define BARTS_MGCG_DEFAULT_LENGTH sizeof(barts_mgcg_default) / (3 * sizeof(u32))
371 
372 static const u32 barts_mgcg_disable[] =
373 {
374 	0x0000802c, 0xc0000000, 0xffffffff,
375 	0x000008f8, 0x00000000, 0xffffffff,
376 	0x000008fc, 0xffffffff, 0xffffffff,
377 	0x000008f8, 0x00000001, 0xffffffff,
378 	0x000008fc, 0xffffffff, 0xffffffff,
379 	0x000008f8, 0x00000002, 0xffffffff,
380 	0x000008fc, 0xffffffff, 0xffffffff,
381 	0x000008f8, 0x00000003, 0xffffffff,
382 	0x000008fc, 0xffffffff, 0xffffffff,
383 	0x00009150, 0x00600000, 0xffffffff
384 };
385 #define BARTS_MGCG_DISABLE_LENGTH sizeof(barts_mgcg_disable) / (3 * sizeof(u32))
386 
387 static const u32 barts_mgcg_enable[] =
388 {
389 	0x0000802c, 0xc0000000, 0xffffffff,
390 	0x000008f8, 0x00000000, 0xffffffff,
391 	0x000008fc, 0x00000000, 0xffffffff,
392 	0x000008f8, 0x00000001, 0xffffffff,
393 	0x000008fc, 0x00000000, 0xffffffff,
394 	0x000008f8, 0x00000002, 0xffffffff,
395 	0x000008fc, 0x00000000, 0xffffffff,
396 	0x000008f8, 0x00000003, 0xffffffff,
397 	0x000008fc, 0x00000000, 0xffffffff,
398 	0x00009150, 0x81944000, 0xffffffff
399 };
400 #define BARTS_MGCG_ENABLE_LENGTH sizeof(barts_mgcg_enable) / (3 * sizeof(u32))
401 
402 //********* CAICOS **************//
403 static const u32 caicos_cgcg_cgls_default[] =
404 {
405 	0x000008f8, 0x00000010, 0xffffffff,
406 	0x000008fc, 0x00000000, 0xffffffff,
407 	0x000008f8, 0x00000011, 0xffffffff,
408 	0x000008fc, 0x00000000, 0xffffffff,
409 	0x000008f8, 0x00000012, 0xffffffff,
410 	0x000008fc, 0x00000000, 0xffffffff,
411 	0x000008f8, 0x00000013, 0xffffffff,
412 	0x000008fc, 0x00000000, 0xffffffff,
413 	0x000008f8, 0x00000014, 0xffffffff,
414 	0x000008fc, 0x00000000, 0xffffffff,
415 	0x000008f8, 0x00000015, 0xffffffff,
416 	0x000008fc, 0x00000000, 0xffffffff,
417 	0x000008f8, 0x00000016, 0xffffffff,
418 	0x000008fc, 0x00000000, 0xffffffff,
419 	0x000008f8, 0x00000017, 0xffffffff,
420 	0x000008fc, 0x00000000, 0xffffffff,
421 	0x000008f8, 0x00000018, 0xffffffff,
422 	0x000008fc, 0x00000000, 0xffffffff,
423 	0x000008f8, 0x00000019, 0xffffffff,
424 	0x000008fc, 0x00000000, 0xffffffff,
425 	0x000008f8, 0x0000001a, 0xffffffff,
426 	0x000008fc, 0x00000000, 0xffffffff,
427 	0x000008f8, 0x0000001b, 0xffffffff,
428 	0x000008fc, 0x00000000, 0xffffffff,
429 	0x000008f8, 0x00000020, 0xffffffff,
430 	0x000008fc, 0x00000000, 0xffffffff,
431 	0x000008f8, 0x00000021, 0xffffffff,
432 	0x000008fc, 0x00000000, 0xffffffff,
433 	0x000008f8, 0x00000022, 0xffffffff,
434 	0x000008fc, 0x00000000, 0xffffffff,
435 	0x000008f8, 0x00000023, 0xffffffff,
436 	0x000008fc, 0x00000000, 0xffffffff,
437 	0x000008f8, 0x00000024, 0xffffffff,
438 	0x000008fc, 0x00000000, 0xffffffff,
439 	0x000008f8, 0x00000025, 0xffffffff,
440 	0x000008fc, 0x00000000, 0xffffffff,
441 	0x000008f8, 0x00000026, 0xffffffff,
442 	0x000008fc, 0x00000000, 0xffffffff,
443 	0x000008f8, 0x00000027, 0xffffffff,
444 	0x000008fc, 0x00000000, 0xffffffff,
445 	0x000008f8, 0x00000028, 0xffffffff,
446 	0x000008fc, 0x00000000, 0xffffffff,
447 	0x000008f8, 0x00000029, 0xffffffff,
448 	0x000008fc, 0x00000000, 0xffffffff,
449 	0x000008f8, 0x0000002a, 0xffffffff,
450 	0x000008fc, 0x00000000, 0xffffffff,
451 	0x000008f8, 0x0000002b, 0xffffffff,
452 	0x000008fc, 0x00000000, 0xffffffff
453 };
454 #define CAICOS_CGCG_CGLS_DEFAULT_LENGTH sizeof(caicos_cgcg_cgls_default) / (3 * sizeof(u32))
455 
456 static const u32 caicos_cgcg_cgls_disable[] =
457 {
458 	0x000008f8, 0x00000010, 0xffffffff,
459 	0x000008fc, 0xffffffff, 0xffffffff,
460 	0x000008f8, 0x00000011, 0xffffffff,
461 	0x000008fc, 0xffffffff, 0xffffffff,
462 	0x000008f8, 0x00000012, 0xffffffff,
463 	0x000008fc, 0xffffffff, 0xffffffff,
464 	0x000008f8, 0x00000013, 0xffffffff,
465 	0x000008fc, 0xffffffff, 0xffffffff,
466 	0x000008f8, 0x00000014, 0xffffffff,
467 	0x000008fc, 0xffffffff, 0xffffffff,
468 	0x000008f8, 0x00000015, 0xffffffff,
469 	0x000008fc, 0xffffffff, 0xffffffff,
470 	0x000008f8, 0x00000016, 0xffffffff,
471 	0x000008fc, 0xffffffff, 0xffffffff,
472 	0x000008f8, 0x00000017, 0xffffffff,
473 	0x000008fc, 0xffffffff, 0xffffffff,
474 	0x000008f8, 0x00000018, 0xffffffff,
475 	0x000008fc, 0xffffffff, 0xffffffff,
476 	0x000008f8, 0x00000019, 0xffffffff,
477 	0x000008fc, 0xffffffff, 0xffffffff,
478 	0x000008f8, 0x0000001a, 0xffffffff,
479 	0x000008fc, 0xffffffff, 0xffffffff,
480 	0x000008f8, 0x0000001b, 0xffffffff,
481 	0x000008fc, 0xffffffff, 0xffffffff,
482 	0x000008f8, 0x00000020, 0xffffffff,
483 	0x000008fc, 0x00000000, 0xffffffff,
484 	0x000008f8, 0x00000021, 0xffffffff,
485 	0x000008fc, 0x00000000, 0xffffffff,
486 	0x000008f8, 0x00000022, 0xffffffff,
487 	0x000008fc, 0x00000000, 0xffffffff,
488 	0x000008f8, 0x00000023, 0xffffffff,
489 	0x000008fc, 0x00000000, 0xffffffff,
490 	0x000008f8, 0x00000024, 0xffffffff,
491 	0x000008fc, 0x00000000, 0xffffffff,
492 	0x000008f8, 0x00000025, 0xffffffff,
493 	0x000008fc, 0x00000000, 0xffffffff,
494 	0x000008f8, 0x00000026, 0xffffffff,
495 	0x000008fc, 0x00000000, 0xffffffff,
496 	0x000008f8, 0x00000027, 0xffffffff,
497 	0x000008fc, 0x00000000, 0xffffffff,
498 	0x000008f8, 0x00000028, 0xffffffff,
499 	0x000008fc, 0x00000000, 0xffffffff,
500 	0x000008f8, 0x00000029, 0xffffffff,
501 	0x000008fc, 0x00000000, 0xffffffff,
502 	0x000008f8, 0x0000002a, 0xffffffff,
503 	0x000008fc, 0x00000000, 0xffffffff,
504 	0x000008f8, 0x0000002b, 0xffffffff,
505 	0x000008fc, 0x00000000, 0xffffffff,
506 	0x00000644, 0x000f7912, 0x001f4180,
507 	0x00000644, 0x000f3812, 0x001f4180
508 };
509 #define CAICOS_CGCG_CGLS_DISABLE_LENGTH sizeof(caicos_cgcg_cgls_disable) / (3 * sizeof(u32))
510 
511 static const u32 caicos_cgcg_cgls_enable[] =
512 {
513 	/* 0x0000c124, 0x84180000, 0x00180000, */
514 	0x00000644, 0x000f7892, 0x001f4080,
515 	0x000008f8, 0x00000010, 0xffffffff,
516 	0x000008fc, 0x00000000, 0xffffffff,
517 	0x000008f8, 0x00000011, 0xffffffff,
518 	0x000008fc, 0x00000000, 0xffffffff,
519 	0x000008f8, 0x00000012, 0xffffffff,
520 	0x000008fc, 0x00000000, 0xffffffff,
521 	0x000008f8, 0x00000013, 0xffffffff,
522 	0x000008fc, 0x00000000, 0xffffffff,
523 	0x000008f8, 0x00000014, 0xffffffff,
524 	0x000008fc, 0x00000000, 0xffffffff,
525 	0x000008f8, 0x00000015, 0xffffffff,
526 	0x000008fc, 0x00000000, 0xffffffff,
527 	0x000008f8, 0x00000016, 0xffffffff,
528 	0x000008fc, 0x00000000, 0xffffffff,
529 	0x000008f8, 0x00000017, 0xffffffff,
530 	0x000008fc, 0x00000000, 0xffffffff,
531 	0x000008f8, 0x00000018, 0xffffffff,
532 	0x000008fc, 0x00000000, 0xffffffff,
533 	0x000008f8, 0x00000019, 0xffffffff,
534 	0x000008fc, 0x00000000, 0xffffffff,
535 	0x000008f8, 0x0000001a, 0xffffffff,
536 	0x000008fc, 0x00000000, 0xffffffff,
537 	0x000008f8, 0x0000001b, 0xffffffff,
538 	0x000008fc, 0x00000000, 0xffffffff,
539 	0x000008f8, 0x00000020, 0xffffffff,
540 	0x000008fc, 0xffffffff, 0xffffffff,
541 	0x000008f8, 0x00000021, 0xffffffff,
542 	0x000008fc, 0xffffffff, 0xffffffff,
543 	0x000008f8, 0x00000022, 0xffffffff,
544 	0x000008fc, 0xffffffff, 0xffffffff,
545 	0x000008f8, 0x00000023, 0xffffffff,
546 	0x000008fc, 0xffffffff, 0xffffffff,
547 	0x000008f8, 0x00000024, 0xffffffff,
548 	0x000008fc, 0xffffffff, 0xffffffff,
549 	0x000008f8, 0x00000025, 0xffffffff,
550 	0x000008fc, 0xffffffff, 0xffffffff,
551 	0x000008f8, 0x00000026, 0xffffffff,
552 	0x000008fc, 0xffffffff, 0xffffffff,
553 	0x000008f8, 0x00000027, 0xffffffff,
554 	0x000008fc, 0xffffffff, 0xffffffff,
555 	0x000008f8, 0x00000028, 0xffffffff,
556 	0x000008fc, 0xffffffff, 0xffffffff,
557 	0x000008f8, 0x00000029, 0xffffffff,
558 	0x000008fc, 0xffffffff, 0xffffffff,
559 	0x000008f8, 0x0000002a, 0xffffffff,
560 	0x000008fc, 0xffffffff, 0xffffffff,
561 	0x000008f8, 0x0000002b, 0xffffffff,
562 	0x000008fc, 0xffffffff, 0xffffffff
563 };
564 #define CAICOS_CGCG_CGLS_ENABLE_LENGTH sizeof(caicos_cgcg_cgls_enable) / (3 * sizeof(u32))
565 
566 static const u32 caicos_mgcg_default[] =
567 {
568 	0x0000802c, 0xc0000000, 0xffffffff,
569 	0x00005448, 0x00000100, 0xffffffff,
570 	0x000055e4, 0x00600100, 0xffffffff,
571 	0x0000160c, 0x00000100, 0xffffffff,
572 	0x0000c164, 0x00000100, 0xffffffff,
573 	0x00008a18, 0x00000100, 0xffffffff,
574 	0x0000897c, 0x06000100, 0xffffffff,
575 	0x00008b28, 0x00000100, 0xffffffff,
576 	0x00009144, 0x00000100, 0xffffffff,
577 	0x00009a60, 0x00000100, 0xffffffff,
578 	0x00009868, 0x00000100, 0xffffffff,
579 	0x00008d58, 0x00000100, 0xffffffff,
580 	0x00009510, 0x00000100, 0xffffffff,
581 	0x0000949c, 0x00000100, 0xffffffff,
582 	0x00009654, 0x00000100, 0xffffffff,
583 	0x00009030, 0x00000100, 0xffffffff,
584 	0x00009034, 0x00000100, 0xffffffff,
585 	0x00009038, 0x00000100, 0xffffffff,
586 	0x0000903c, 0x00000100, 0xffffffff,
587 	0x00009040, 0x00000100, 0xffffffff,
588 	0x0000a200, 0x00000100, 0xffffffff,
589 	0x0000a204, 0x00000100, 0xffffffff,
590 	0x0000a208, 0x00000100, 0xffffffff,
591 	0x0000a20c, 0x00000100, 0xffffffff,
592 	0x0000977c, 0x00000100, 0xffffffff,
593 	0x00003f80, 0x00000100, 0xffffffff,
594 	0x0000a210, 0x00000100, 0xffffffff,
595 	0x0000a214, 0x00000100, 0xffffffff,
596 	0x000004d8, 0x00000100, 0xffffffff,
597 	0x00009784, 0x00000100, 0xffffffff,
598 	0x00009698, 0x00000100, 0xffffffff,
599 	0x000004d4, 0x00000200, 0xffffffff,
600 	0x000004d0, 0x00000000, 0xffffffff,
601 	0x000030cc, 0x00000100, 0xffffffff,
602 	0x0000d0c0, 0xff000100, 0xffffffff,
603 	0x0000915c, 0x00010000, 0xffffffff,
604 	0x00009160, 0x00030002, 0xffffffff,
605 	0x00009164, 0x00050004, 0xffffffff,
606 	0x00009168, 0x00070006, 0xffffffff,
607 	0x00009178, 0x00070000, 0xffffffff,
608 	0x0000917c, 0x00030002, 0xffffffff,
609 	0x00009180, 0x00050004, 0xffffffff,
610 	0x0000918c, 0x00010006, 0xffffffff,
611 	0x00009190, 0x00090008, 0xffffffff,
612 	0x00009194, 0x00070000, 0xffffffff,
613 	0x00009198, 0x00030002, 0xffffffff,
614 	0x0000919c, 0x00050004, 0xffffffff,
615 	0x000091a8, 0x00010006, 0xffffffff,
616 	0x000091ac, 0x00090008, 0xffffffff,
617 	0x000091e8, 0x00000000, 0xffffffff,
618 	0x00009294, 0x00000000, 0xffffffff,
619 	0x000008f8, 0x00000010, 0xffffffff,
620 	0x000008fc, 0x00000000, 0xffffffff,
621 	0x000008f8, 0x00000011, 0xffffffff,
622 	0x000008fc, 0x00000000, 0xffffffff,
623 	0x000008f8, 0x00000012, 0xffffffff,
624 	0x000008fc, 0x00000000, 0xffffffff,
625 	0x000008f8, 0x00000013, 0xffffffff,
626 	0x000008fc, 0x00000000, 0xffffffff,
627 	0x000008f8, 0x00000014, 0xffffffff,
628 	0x000008fc, 0x00000000, 0xffffffff,
629 	0x000008f8, 0x00000015, 0xffffffff,
630 	0x000008fc, 0x00000000, 0xffffffff,
631 	0x000008f8, 0x00000016, 0xffffffff,
632 	0x000008fc, 0x00000000, 0xffffffff,
633 	0x000008f8, 0x00000017, 0xffffffff,
634 	0x000008fc, 0x00000000, 0xffffffff,
635 	0x000008f8, 0x00000018, 0xffffffff,
636 	0x000008fc, 0x00000000, 0xffffffff,
637 	0x000008f8, 0x00000019, 0xffffffff,
638 	0x000008fc, 0x00000000, 0xffffffff,
639 	0x000008f8, 0x0000001a, 0xffffffff,
640 	0x000008fc, 0x00000000, 0xffffffff,
641 	0x000008f8, 0x0000001b, 0xffffffff,
642 	0x000008fc, 0x00000000, 0xffffffff
643 };
644 #define CAICOS_MGCG_DEFAULT_LENGTH sizeof(caicos_mgcg_default) / (3 * sizeof(u32))
645 
646 static const u32 caicos_mgcg_disable[] =
647 {
648 	0x0000802c, 0xc0000000, 0xffffffff,
649 	0x000008f8, 0x00000000, 0xffffffff,
650 	0x000008fc, 0xffffffff, 0xffffffff,
651 	0x000008f8, 0x00000001, 0xffffffff,
652 	0x000008fc, 0xffffffff, 0xffffffff,
653 	0x000008f8, 0x00000002, 0xffffffff,
654 	0x000008fc, 0xffffffff, 0xffffffff,
655 	0x000008f8, 0x00000003, 0xffffffff,
656 	0x000008fc, 0xffffffff, 0xffffffff,
657 	0x00009150, 0x00600000, 0xffffffff
658 };
659 #define CAICOS_MGCG_DISABLE_LENGTH sizeof(caicos_mgcg_disable) / (3 * sizeof(u32))
660 
661 static const u32 caicos_mgcg_enable[] =
662 {
663 	0x0000802c, 0xc0000000, 0xffffffff,
664 	0x000008f8, 0x00000000, 0xffffffff,
665 	0x000008fc, 0x00000000, 0xffffffff,
666 	0x000008f8, 0x00000001, 0xffffffff,
667 	0x000008fc, 0x00000000, 0xffffffff,
668 	0x000008f8, 0x00000002, 0xffffffff,
669 	0x000008fc, 0x00000000, 0xffffffff,
670 	0x000008f8, 0x00000003, 0xffffffff,
671 	0x000008fc, 0x00000000, 0xffffffff,
672 	0x00009150, 0x46944040, 0xffffffff
673 };
674 #define CAICOS_MGCG_ENABLE_LENGTH sizeof(caicos_mgcg_enable) / (3 * sizeof(u32))
675 
676 //********* TURKS **************//
677 static const u32 turks_cgcg_cgls_default[] =
678 {
679 	0x000008f8, 0x00000010, 0xffffffff,
680 	0x000008fc, 0x00000000, 0xffffffff,
681 	0x000008f8, 0x00000011, 0xffffffff,
682 	0x000008fc, 0x00000000, 0xffffffff,
683 	0x000008f8, 0x00000012, 0xffffffff,
684 	0x000008fc, 0x00000000, 0xffffffff,
685 	0x000008f8, 0x00000013, 0xffffffff,
686 	0x000008fc, 0x00000000, 0xffffffff,
687 	0x000008f8, 0x00000014, 0xffffffff,
688 	0x000008fc, 0x00000000, 0xffffffff,
689 	0x000008f8, 0x00000015, 0xffffffff,
690 	0x000008fc, 0x00000000, 0xffffffff,
691 	0x000008f8, 0x00000016, 0xffffffff,
692 	0x000008fc, 0x00000000, 0xffffffff,
693 	0x000008f8, 0x00000017, 0xffffffff,
694 	0x000008fc, 0x00000000, 0xffffffff,
695 	0x000008f8, 0x00000018, 0xffffffff,
696 	0x000008fc, 0x00000000, 0xffffffff,
697 	0x000008f8, 0x00000019, 0xffffffff,
698 	0x000008fc, 0x00000000, 0xffffffff,
699 	0x000008f8, 0x0000001a, 0xffffffff,
700 	0x000008fc, 0x00000000, 0xffffffff,
701 	0x000008f8, 0x0000001b, 0xffffffff,
702 	0x000008fc, 0x00000000, 0xffffffff,
703 	0x000008f8, 0x00000020, 0xffffffff,
704 	0x000008fc, 0x00000000, 0xffffffff,
705 	0x000008f8, 0x00000021, 0xffffffff,
706 	0x000008fc, 0x00000000, 0xffffffff,
707 	0x000008f8, 0x00000022, 0xffffffff,
708 	0x000008fc, 0x00000000, 0xffffffff,
709 	0x000008f8, 0x00000023, 0xffffffff,
710 	0x000008fc, 0x00000000, 0xffffffff,
711 	0x000008f8, 0x00000024, 0xffffffff,
712 	0x000008fc, 0x00000000, 0xffffffff,
713 	0x000008f8, 0x00000025, 0xffffffff,
714 	0x000008fc, 0x00000000, 0xffffffff,
715 	0x000008f8, 0x00000026, 0xffffffff,
716 	0x000008fc, 0x00000000, 0xffffffff,
717 	0x000008f8, 0x00000027, 0xffffffff,
718 	0x000008fc, 0x00000000, 0xffffffff,
719 	0x000008f8, 0x00000028, 0xffffffff,
720 	0x000008fc, 0x00000000, 0xffffffff,
721 	0x000008f8, 0x00000029, 0xffffffff,
722 	0x000008fc, 0x00000000, 0xffffffff,
723 	0x000008f8, 0x0000002a, 0xffffffff,
724 	0x000008fc, 0x00000000, 0xffffffff,
725 	0x000008f8, 0x0000002b, 0xffffffff,
726 	0x000008fc, 0x00000000, 0xffffffff
727 };
728 #define TURKS_CGCG_CGLS_DEFAULT_LENGTH  sizeof(turks_cgcg_cgls_default) / (3 * sizeof(u32))
729 
730 static const u32 turks_cgcg_cgls_disable[] =
731 {
732 	0x000008f8, 0x00000010, 0xffffffff,
733 	0x000008fc, 0xffffffff, 0xffffffff,
734 	0x000008f8, 0x00000011, 0xffffffff,
735 	0x000008fc, 0xffffffff, 0xffffffff,
736 	0x000008f8, 0x00000012, 0xffffffff,
737 	0x000008fc, 0xffffffff, 0xffffffff,
738 	0x000008f8, 0x00000013, 0xffffffff,
739 	0x000008fc, 0xffffffff, 0xffffffff,
740 	0x000008f8, 0x00000014, 0xffffffff,
741 	0x000008fc, 0xffffffff, 0xffffffff,
742 	0x000008f8, 0x00000015, 0xffffffff,
743 	0x000008fc, 0xffffffff, 0xffffffff,
744 	0x000008f8, 0x00000016, 0xffffffff,
745 	0x000008fc, 0xffffffff, 0xffffffff,
746 	0x000008f8, 0x00000017, 0xffffffff,
747 	0x000008fc, 0xffffffff, 0xffffffff,
748 	0x000008f8, 0x00000018, 0xffffffff,
749 	0x000008fc, 0xffffffff, 0xffffffff,
750 	0x000008f8, 0x00000019, 0xffffffff,
751 	0x000008fc, 0xffffffff, 0xffffffff,
752 	0x000008f8, 0x0000001a, 0xffffffff,
753 	0x000008fc, 0xffffffff, 0xffffffff,
754 	0x000008f8, 0x0000001b, 0xffffffff,
755 	0x000008fc, 0xffffffff, 0xffffffff,
756 	0x000008f8, 0x00000020, 0xffffffff,
757 	0x000008fc, 0x00000000, 0xffffffff,
758 	0x000008f8, 0x00000021, 0xffffffff,
759 	0x000008fc, 0x00000000, 0xffffffff,
760 	0x000008f8, 0x00000022, 0xffffffff,
761 	0x000008fc, 0x00000000, 0xffffffff,
762 	0x000008f8, 0x00000023, 0xffffffff,
763 	0x000008fc, 0x00000000, 0xffffffff,
764 	0x000008f8, 0x00000024, 0xffffffff,
765 	0x000008fc, 0x00000000, 0xffffffff,
766 	0x000008f8, 0x00000025, 0xffffffff,
767 	0x000008fc, 0x00000000, 0xffffffff,
768 	0x000008f8, 0x00000026, 0xffffffff,
769 	0x000008fc, 0x00000000, 0xffffffff,
770 	0x000008f8, 0x00000027, 0xffffffff,
771 	0x000008fc, 0x00000000, 0xffffffff,
772 	0x000008f8, 0x00000028, 0xffffffff,
773 	0x000008fc, 0x00000000, 0xffffffff,
774 	0x000008f8, 0x00000029, 0xffffffff,
775 	0x000008fc, 0x00000000, 0xffffffff,
776 	0x000008f8, 0x0000002a, 0xffffffff,
777 	0x000008fc, 0x00000000, 0xffffffff,
778 	0x000008f8, 0x0000002b, 0xffffffff,
779 	0x000008fc, 0x00000000, 0xffffffff,
780 	0x00000644, 0x000f7912, 0x001f4180,
781 	0x00000644, 0x000f3812, 0x001f4180
782 };
783 #define TURKS_CGCG_CGLS_DISABLE_LENGTH sizeof(turks_cgcg_cgls_disable) / (3 * sizeof(u32))
784 
785 static const u32 turks_cgcg_cgls_enable[] =
786 {
787 	/* 0x0000c124, 0x84180000, 0x00180000, */
788 	0x00000644, 0x000f7892, 0x001f4080,
789 	0x000008f8, 0x00000010, 0xffffffff,
790 	0x000008fc, 0x00000000, 0xffffffff,
791 	0x000008f8, 0x00000011, 0xffffffff,
792 	0x000008fc, 0x00000000, 0xffffffff,
793 	0x000008f8, 0x00000012, 0xffffffff,
794 	0x000008fc, 0x00000000, 0xffffffff,
795 	0x000008f8, 0x00000013, 0xffffffff,
796 	0x000008fc, 0x00000000, 0xffffffff,
797 	0x000008f8, 0x00000014, 0xffffffff,
798 	0x000008fc, 0x00000000, 0xffffffff,
799 	0x000008f8, 0x00000015, 0xffffffff,
800 	0x000008fc, 0x00000000, 0xffffffff,
801 	0x000008f8, 0x00000016, 0xffffffff,
802 	0x000008fc, 0x00000000, 0xffffffff,
803 	0x000008f8, 0x00000017, 0xffffffff,
804 	0x000008fc, 0x00000000, 0xffffffff,
805 	0x000008f8, 0x00000018, 0xffffffff,
806 	0x000008fc, 0x00000000, 0xffffffff,
807 	0x000008f8, 0x00000019, 0xffffffff,
808 	0x000008fc, 0x00000000, 0xffffffff,
809 	0x000008f8, 0x0000001a, 0xffffffff,
810 	0x000008fc, 0x00000000, 0xffffffff,
811 	0x000008f8, 0x0000001b, 0xffffffff,
812 	0x000008fc, 0x00000000, 0xffffffff,
813 	0x000008f8, 0x00000020, 0xffffffff,
814 	0x000008fc, 0xffffffff, 0xffffffff,
815 	0x000008f8, 0x00000021, 0xffffffff,
816 	0x000008fc, 0xffffffff, 0xffffffff,
817 	0x000008f8, 0x00000022, 0xffffffff,
818 	0x000008fc, 0xffffffff, 0xffffffff,
819 	0x000008f8, 0x00000023, 0xffffffff,
820 	0x000008fc, 0xffffffff, 0xffffffff,
821 	0x000008f8, 0x00000024, 0xffffffff,
822 	0x000008fc, 0xffffffff, 0xffffffff,
823 	0x000008f8, 0x00000025, 0xffffffff,
824 	0x000008fc, 0xffffffff, 0xffffffff,
825 	0x000008f8, 0x00000026, 0xffffffff,
826 	0x000008fc, 0xffffffff, 0xffffffff,
827 	0x000008f8, 0x00000027, 0xffffffff,
828 	0x000008fc, 0xffffffff, 0xffffffff,
829 	0x000008f8, 0x00000028, 0xffffffff,
830 	0x000008fc, 0xffffffff, 0xffffffff,
831 	0x000008f8, 0x00000029, 0xffffffff,
832 	0x000008fc, 0xffffffff, 0xffffffff,
833 	0x000008f8, 0x0000002a, 0xffffffff,
834 	0x000008fc, 0xffffffff, 0xffffffff,
835 	0x000008f8, 0x0000002b, 0xffffffff,
836 	0x000008fc, 0xffffffff, 0xffffffff
837 };
838 #define TURKS_CGCG_CGLS_ENABLE_LENGTH sizeof(turks_cgcg_cgls_enable) / (3 * sizeof(u32))
839 
840 // These are the sequences for turks_mgcg_shls
841 static const u32 turks_mgcg_default[] =
842 {
843 	0x0000802c, 0xc0000000, 0xffffffff,
844 	0x00005448, 0x00000100, 0xffffffff,
845 	0x000055e4, 0x00600100, 0xffffffff,
846 	0x0000160c, 0x00000100, 0xffffffff,
847 	0x0000c164, 0x00000100, 0xffffffff,
848 	0x00008a18, 0x00000100, 0xffffffff,
849 	0x0000897c, 0x06000100, 0xffffffff,
850 	0x00008b28, 0x00000100, 0xffffffff,
851 	0x00009144, 0x00000100, 0xffffffff,
852 	0x00009a60, 0x00000100, 0xffffffff,
853 	0x00009868, 0x00000100, 0xffffffff,
854 	0x00008d58, 0x00000100, 0xffffffff,
855 	0x00009510, 0x00000100, 0xffffffff,
856 	0x0000949c, 0x00000100, 0xffffffff,
857 	0x00009654, 0x00000100, 0xffffffff,
858 	0x00009030, 0x00000100, 0xffffffff,
859 	0x00009034, 0x00000100, 0xffffffff,
860 	0x00009038, 0x00000100, 0xffffffff,
861 	0x0000903c, 0x00000100, 0xffffffff,
862 	0x00009040, 0x00000100, 0xffffffff,
863 	0x0000a200, 0x00000100, 0xffffffff,
864 	0x0000a204, 0x00000100, 0xffffffff,
865 	0x0000a208, 0x00000100, 0xffffffff,
866 	0x0000a20c, 0x00000100, 0xffffffff,
867 	0x0000977c, 0x00000100, 0xffffffff,
868 	0x00003f80, 0x00000100, 0xffffffff,
869 	0x0000a210, 0x00000100, 0xffffffff,
870 	0x0000a214, 0x00000100, 0xffffffff,
871 	0x000004d8, 0x00000100, 0xffffffff,
872 	0x00009784, 0x00000100, 0xffffffff,
873 	0x00009698, 0x00000100, 0xffffffff,
874 	0x000004d4, 0x00000200, 0xffffffff,
875 	0x000004d0, 0x00000000, 0xffffffff,
876 	0x000030cc, 0x00000100, 0xffffffff,
877 	0x0000d0c0, 0x00000100, 0xffffffff,
878 	0x0000915c, 0x00010000, 0xffffffff,
879 	0x00009160, 0x00030002, 0xffffffff,
880 	0x00009164, 0x00050004, 0xffffffff,
881 	0x00009168, 0x00070006, 0xffffffff,
882 	0x00009178, 0x00070000, 0xffffffff,
883 	0x0000917c, 0x00030002, 0xffffffff,
884 	0x00009180, 0x00050004, 0xffffffff,
885 	0x0000918c, 0x00010006, 0xffffffff,
886 	0x00009190, 0x00090008, 0xffffffff,
887 	0x00009194, 0x00070000, 0xffffffff,
888 	0x00009198, 0x00030002, 0xffffffff,
889 	0x0000919c, 0x00050004, 0xffffffff,
890 	0x000091a8, 0x00010006, 0xffffffff,
891 	0x000091ac, 0x00090008, 0xffffffff,
892 	0x000091b0, 0x00070000, 0xffffffff,
893 	0x000091b4, 0x00030002, 0xffffffff,
894 	0x000091b8, 0x00050004, 0xffffffff,
895 	0x000091c4, 0x00010006, 0xffffffff,
896 	0x000091c8, 0x00090008, 0xffffffff,
897 	0x000091cc, 0x00070000, 0xffffffff,
898 	0x000091d0, 0x00030002, 0xffffffff,
899 	0x000091d4, 0x00050004, 0xffffffff,
900 	0x000091e0, 0x00010006, 0xffffffff,
901 	0x000091e4, 0x00090008, 0xffffffff,
902 	0x000091e8, 0x00000000, 0xffffffff,
903 	0x000091ec, 0x00070000, 0xffffffff,
904 	0x000091f0, 0x00030002, 0xffffffff,
905 	0x000091f4, 0x00050004, 0xffffffff,
906 	0x00009200, 0x00010006, 0xffffffff,
907 	0x00009204, 0x00090008, 0xffffffff,
908 	0x00009208, 0x00070000, 0xffffffff,
909 	0x0000920c, 0x00030002, 0xffffffff,
910 	0x00009210, 0x00050004, 0xffffffff,
911 	0x0000921c, 0x00010006, 0xffffffff,
912 	0x00009220, 0x00090008, 0xffffffff,
913 	0x00009294, 0x00000000, 0xffffffff,
914 	0x000008f8, 0x00000010, 0xffffffff,
915 	0x000008fc, 0x00000000, 0xffffffff,
916 	0x000008f8, 0x00000011, 0xffffffff,
917 	0x000008fc, 0x00000000, 0xffffffff,
918 	0x000008f8, 0x00000012, 0xffffffff,
919 	0x000008fc, 0x00000000, 0xffffffff,
920 	0x000008f8, 0x00000013, 0xffffffff,
921 	0x000008fc, 0x00000000, 0xffffffff,
922 	0x000008f8, 0x00000014, 0xffffffff,
923 	0x000008fc, 0x00000000, 0xffffffff,
924 	0x000008f8, 0x00000015, 0xffffffff,
925 	0x000008fc, 0x00000000, 0xffffffff,
926 	0x000008f8, 0x00000016, 0xffffffff,
927 	0x000008fc, 0x00000000, 0xffffffff,
928 	0x000008f8, 0x00000017, 0xffffffff,
929 	0x000008fc, 0x00000000, 0xffffffff,
930 	0x000008f8, 0x00000018, 0xffffffff,
931 	0x000008fc, 0x00000000, 0xffffffff,
932 	0x000008f8, 0x00000019, 0xffffffff,
933 	0x000008fc, 0x00000000, 0xffffffff,
934 	0x000008f8, 0x0000001a, 0xffffffff,
935 	0x000008fc, 0x00000000, 0xffffffff,
936 	0x000008f8, 0x0000001b, 0xffffffff,
937 	0x000008fc, 0x00000000, 0xffffffff
938 };
939 #define TURKS_MGCG_DEFAULT_LENGTH sizeof(turks_mgcg_default) / (3 * sizeof(u32))
940 
941 static const u32 turks_mgcg_disable[] =
942 {
943 	0x0000802c, 0xc0000000, 0xffffffff,
944 	0x000008f8, 0x00000000, 0xffffffff,
945 	0x000008fc, 0xffffffff, 0xffffffff,
946 	0x000008f8, 0x00000001, 0xffffffff,
947 	0x000008fc, 0xffffffff, 0xffffffff,
948 	0x000008f8, 0x00000002, 0xffffffff,
949 	0x000008fc, 0xffffffff, 0xffffffff,
950 	0x000008f8, 0x00000003, 0xffffffff,
951 	0x000008fc, 0xffffffff, 0xffffffff,
952 	0x00009150, 0x00600000, 0xffffffff
953 };
954 #define TURKS_MGCG_DISABLE_LENGTH sizeof(turks_mgcg_disable) / (3 * sizeof(u32))
955 
956 static const u32 turks_mgcg_enable[] =
957 {
958 	0x0000802c, 0xc0000000, 0xffffffff,
959 	0x000008f8, 0x00000000, 0xffffffff,
960 	0x000008fc, 0x00000000, 0xffffffff,
961 	0x000008f8, 0x00000001, 0xffffffff,
962 	0x000008fc, 0x00000000, 0xffffffff,
963 	0x000008f8, 0x00000002, 0xffffffff,
964 	0x000008fc, 0x00000000, 0xffffffff,
965 	0x000008f8, 0x00000003, 0xffffffff,
966 	0x000008fc, 0x00000000, 0xffffffff,
967 	0x00009150, 0x6e944000, 0xffffffff
968 };
969 #define TURKS_MGCG_ENABLE_LENGTH sizeof(turks_mgcg_enable) / (3 * sizeof(u32))
970 
971 #endif
972 
973 #ifndef BTC_SYSLS_SEQUENCE
974 #define BTC_SYSLS_SEQUENCE  100
975 
976 
977 //********* BARTS **************//
978 static const u32 barts_sysls_default[] =
979 {
980 	/* Register,   Value,     Mask bits */
981 	0x000055e8, 0x00000000, 0xffffffff,
982 	0x0000d0bc, 0x00000000, 0xffffffff,
983 	0x000015c0, 0x000c1401, 0xffffffff,
984 	0x0000264c, 0x000c0400, 0xffffffff,
985 	0x00002648, 0x000c0400, 0xffffffff,
986 	0x00002650, 0x000c0400, 0xffffffff,
987 	0x000020b8, 0x000c0400, 0xffffffff,
988 	0x000020bc, 0x000c0400, 0xffffffff,
989 	0x000020c0, 0x000c0c80, 0xffffffff,
990 	0x0000f4a0, 0x000000c0, 0xffffffff,
991 	0x0000f4a4, 0x00680fff, 0xffffffff,
992 	0x000004c8, 0x00000001, 0xffffffff,
993 	0x000064ec, 0x00000000, 0xffffffff,
994 	0x00000c7c, 0x00000000, 0xffffffff,
995 	0x00006dfc, 0x00000000, 0xffffffff
996 };
997 #define BARTS_SYSLS_DEFAULT_LENGTH sizeof(barts_sysls_default) / (3 * sizeof(u32))
998 
999 static const u32 barts_sysls_disable[] =
1000 {
1001 	0x000055e8, 0x00000000, 0xffffffff,
1002 	0x0000d0bc, 0x00000000, 0xffffffff,
1003 	0x000015c0, 0x00041401, 0xffffffff,
1004 	0x0000264c, 0x00040400, 0xffffffff,
1005 	0x00002648, 0x00040400, 0xffffffff,
1006 	0x00002650, 0x00040400, 0xffffffff,
1007 	0x000020b8, 0x00040400, 0xffffffff,
1008 	0x000020bc, 0x00040400, 0xffffffff,
1009 	0x000020c0, 0x00040c80, 0xffffffff,
1010 	0x0000f4a0, 0x000000c0, 0xffffffff,
1011 	0x0000f4a4, 0x00680000, 0xffffffff,
1012 	0x000004c8, 0x00000001, 0xffffffff,
1013 	0x000064ec, 0x00007ffd, 0xffffffff,
1014 	0x00000c7c, 0x0000ff00, 0xffffffff,
1015 	0x00006dfc, 0x0000007f, 0xffffffff
1016 };
1017 #define BARTS_SYSLS_DISABLE_LENGTH sizeof(barts_sysls_disable) / (3 * sizeof(u32))
1018 
1019 static const u32 barts_sysls_enable[] =
1020 {
1021 	0x000055e8, 0x00000001, 0xffffffff,
1022 	0x0000d0bc, 0x00000100, 0xffffffff,
1023 	0x000015c0, 0x000c1401, 0xffffffff,
1024 	0x0000264c, 0x000c0400, 0xffffffff,
1025 	0x00002648, 0x000c0400, 0xffffffff,
1026 	0x00002650, 0x000c0400, 0xffffffff,
1027 	0x000020b8, 0x000c0400, 0xffffffff,
1028 	0x000020bc, 0x000c0400, 0xffffffff,
1029 	0x000020c0, 0x000c0c80, 0xffffffff,
1030 	0x0000f4a0, 0x000000c0, 0xffffffff,
1031 	0x0000f4a4, 0x00680fff, 0xffffffff,
1032 	0x000004c8, 0x00000000, 0xffffffff,
1033 	0x000064ec, 0x00000000, 0xffffffff,
1034 	0x00000c7c, 0x00000000, 0xffffffff,
1035 	0x00006dfc, 0x00000000, 0xffffffff
1036 };
1037 #define BARTS_SYSLS_ENABLE_LENGTH sizeof(barts_sysls_enable) / (3 * sizeof(u32))
1038 
1039 //********* CAICOS **************//
1040 static const u32 caicos_sysls_default[] =
1041 {
1042 	0x000055e8, 0x00000000, 0xffffffff,
1043 	0x0000d0bc, 0x00000000, 0xffffffff,
1044 	0x000015c0, 0x000c1401, 0xffffffff,
1045 	0x0000264c, 0x000c0400, 0xffffffff,
1046 	0x00002648, 0x000c0400, 0xffffffff,
1047 	0x00002650, 0x000c0400, 0xffffffff,
1048 	0x000020b8, 0x000c0400, 0xffffffff,
1049 	0x000020bc, 0x000c0400, 0xffffffff,
1050 	0x0000f4a0, 0x000000c0, 0xffffffff,
1051 	0x0000f4a4, 0x00680fff, 0xffffffff,
1052 	0x000004c8, 0x00000001, 0xffffffff,
1053 	0x000064ec, 0x00000000, 0xffffffff,
1054 	0x00000c7c, 0x00000000, 0xffffffff,
1055 	0x00006dfc, 0x00000000, 0xffffffff
1056 };
1057 #define CAICOS_SYSLS_DEFAULT_LENGTH sizeof(caicos_sysls_default) / (3 * sizeof(u32))
1058 
1059 static const u32 caicos_sysls_disable[] =
1060 {
1061 	0x000055e8, 0x00000000, 0xffffffff,
1062 	0x0000d0bc, 0x00000000, 0xffffffff,
1063 	0x000015c0, 0x00041401, 0xffffffff,
1064 	0x0000264c, 0x00040400, 0xffffffff,
1065 	0x00002648, 0x00040400, 0xffffffff,
1066 	0x00002650, 0x00040400, 0xffffffff,
1067 	0x000020b8, 0x00040400, 0xffffffff,
1068 	0x000020bc, 0x00040400, 0xffffffff,
1069 	0x0000f4a0, 0x000000c0, 0xffffffff,
1070 	0x0000f4a4, 0x00680000, 0xffffffff,
1071 	0x000004c8, 0x00000001, 0xffffffff,
1072 	0x000064ec, 0x00007ffd, 0xffffffff,
1073 	0x00000c7c, 0x0000ff00, 0xffffffff,
1074 	0x00006dfc, 0x0000007f, 0xffffffff
1075 };
1076 #define CAICOS_SYSLS_DISABLE_LENGTH sizeof(caicos_sysls_disable) / (3 * sizeof(u32))
1077 
1078 static const u32 caicos_sysls_enable[] =
1079 {
1080 	0x000055e8, 0x00000001, 0xffffffff,
1081 	0x0000d0bc, 0x00000100, 0xffffffff,
1082 	0x000015c0, 0x000c1401, 0xffffffff,
1083 	0x0000264c, 0x000c0400, 0xffffffff,
1084 	0x00002648, 0x000c0400, 0xffffffff,
1085 	0x00002650, 0x000c0400, 0xffffffff,
1086 	0x000020b8, 0x000c0400, 0xffffffff,
1087 	0x000020bc, 0x000c0400, 0xffffffff,
1088 	0x0000f4a0, 0x000000c0, 0xffffffff,
1089 	0x0000f4a4, 0x00680fff, 0xffffffff,
1090 	0x000064ec, 0x00000000, 0xffffffff,
1091 	0x00000c7c, 0x00000000, 0xffffffff,
1092 	0x00006dfc, 0x00000000, 0xffffffff,
1093 	0x000004c8, 0x00000000, 0xffffffff
1094 };
1095 #define CAICOS_SYSLS_ENABLE_LENGTH sizeof(caicos_sysls_enable) / (3 * sizeof(u32))
1096 
1097 //********* TURKS **************//
1098 static const u32 turks_sysls_default[] =
1099 {
1100 	0x000055e8, 0x00000000, 0xffffffff,
1101 	0x0000d0bc, 0x00000000, 0xffffffff,
1102 	0x000015c0, 0x000c1401, 0xffffffff,
1103 	0x0000264c, 0x000c0400, 0xffffffff,
1104 	0x00002648, 0x000c0400, 0xffffffff,
1105 	0x00002650, 0x000c0400, 0xffffffff,
1106 	0x000020b8, 0x000c0400, 0xffffffff,
1107 	0x000020bc, 0x000c0400, 0xffffffff,
1108 	0x000020c0, 0x000c0c80, 0xffffffff,
1109 	0x0000f4a0, 0x000000c0, 0xffffffff,
1110 	0x0000f4a4, 0x00680fff, 0xffffffff,
1111 	0x000004c8, 0x00000001, 0xffffffff,
1112 	0x000064ec, 0x00000000, 0xffffffff,
1113 	0x00000c7c, 0x00000000, 0xffffffff,
1114 	0x00006dfc, 0x00000000, 0xffffffff
1115 };
1116 #define TURKS_SYSLS_DEFAULT_LENGTH sizeof(turks_sysls_default) / (3 * sizeof(u32))
1117 
1118 static const u32 turks_sysls_disable[] =
1119 {
1120 	0x000055e8, 0x00000000, 0xffffffff,
1121 	0x0000d0bc, 0x00000000, 0xffffffff,
1122 	0x000015c0, 0x00041401, 0xffffffff,
1123 	0x0000264c, 0x00040400, 0xffffffff,
1124 	0x00002648, 0x00040400, 0xffffffff,
1125 	0x00002650, 0x00040400, 0xffffffff,
1126 	0x000020b8, 0x00040400, 0xffffffff,
1127 	0x000020bc, 0x00040400, 0xffffffff,
1128 	0x000020c0, 0x00040c80, 0xffffffff,
1129 	0x0000f4a0, 0x000000c0, 0xffffffff,
1130 	0x0000f4a4, 0x00680000, 0xffffffff,
1131 	0x000004c8, 0x00000001, 0xffffffff,
1132 	0x000064ec, 0x00007ffd, 0xffffffff,
1133 	0x00000c7c, 0x0000ff00, 0xffffffff,
1134 	0x00006dfc, 0x0000007f, 0xffffffff
1135 };
1136 #define TURKS_SYSLS_DISABLE_LENGTH sizeof(turks_sysls_disable) / (3 * sizeof(u32))
1137 
1138 static const u32 turks_sysls_enable[] =
1139 {
1140 	0x000055e8, 0x00000001, 0xffffffff,
1141 	0x0000d0bc, 0x00000100, 0xffffffff,
1142 	0x000015c0, 0x000c1401, 0xffffffff,
1143 	0x0000264c, 0x000c0400, 0xffffffff,
1144 	0x00002648, 0x000c0400, 0xffffffff,
1145 	0x00002650, 0x000c0400, 0xffffffff,
1146 	0x000020b8, 0x000c0400, 0xffffffff,
1147 	0x000020bc, 0x000c0400, 0xffffffff,
1148 	0x000020c0, 0x000c0c80, 0xffffffff,
1149 	0x0000f4a0, 0x000000c0, 0xffffffff,
1150 	0x0000f4a4, 0x00680fff, 0xffffffff,
1151 	0x000004c8, 0x00000000, 0xffffffff,
1152 	0x000064ec, 0x00000000, 0xffffffff,
1153 	0x00000c7c, 0x00000000, 0xffffffff,
1154 	0x00006dfc, 0x00000000, 0xffffffff
1155 };
1156 #define TURKS_SYSLS_ENABLE_LENGTH sizeof(turks_sysls_enable) / (3 * sizeof(u32))
1157 
1158 #endif
1159 
1160 u32 btc_valid_sclk[40] =
1161 {
1162 	5000,   10000,  15000,  20000,  25000,  30000,  35000,  40000,  45000,  50000,
1163 	55000,  60000,  65000,  70000,  75000,  80000,  85000,  90000,  95000,  100000,
1164 	105000, 110000, 11500,  120000, 125000, 130000, 135000, 140000, 145000, 150000,
1165 	155000, 160000, 165000, 170000, 175000, 180000, 185000, 190000, 195000, 200000
1166 };
1167 
1168 static const struct radeon_blacklist_clocks btc_blacklist_clocks[] = {
1169 	{ 10000, 30000, RADEON_SCLK_UP },
1170 	{ 15000, 30000, RADEON_SCLK_UP },
1171 	{ 20000, 30000, RADEON_SCLK_UP },
1172 	{ 25000, 30000, RADEON_SCLK_UP }
1173 };
1174 
1175 void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
1176 						     u32 *max_clock)
1177 {
1178 	u32 i, clock = 0;
1179 
1180 	if ((table == NULL) || (table->count == 0)) {
1181 		*max_clock = clock;
1182 		return;
1183 	}
1184 
1185 	for (i = 0; i < table->count; i++) {
1186 		if (clock < table->entries[i].clk)
1187 			clock = table->entries[i].clk;
1188 	}
1189 	*max_clock = clock;
1190 }
1191 
1192 void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table,
1193 					u32 clock, u16 max_voltage, u16 *voltage)
1194 {
1195 	u32 i;
1196 
1197 	if ((table == NULL) || (table->count == 0))
1198 		return;
1199 
1200 	for (i= 0; i < table->count; i++) {
1201 		if (clock <= table->entries[i].clk) {
1202 			if (*voltage < table->entries[i].v)
1203 				*voltage = (u16)((table->entries[i].v < max_voltage) ?
1204 						  table->entries[i].v : max_voltage);
1205 			return;
1206 		}
1207 	}
1208 
1209 	*voltage = (*voltage > max_voltage) ? *voltage : max_voltage;
1210 }
1211 
1212 static u32 btc_find_valid_clock(struct radeon_clock_array *clocks,
1213 				u32 max_clock, u32 requested_clock)
1214 {
1215 	unsigned int i;
1216 
1217 	if ((clocks == NULL) || (clocks->count == 0))
1218 		return (requested_clock < max_clock) ? requested_clock : max_clock;
1219 
1220 	for (i = 0; i < clocks->count; i++) {
1221 		if (clocks->values[i] >= requested_clock)
1222 			return (clocks->values[i] < max_clock) ? clocks->values[i] : max_clock;
1223 	}
1224 
1225 	return (clocks->values[clocks->count - 1] < max_clock) ?
1226 		clocks->values[clocks->count - 1] : max_clock;
1227 }
1228 
1229 static u32 btc_get_valid_mclk(struct radeon_device *rdev,
1230 			      u32 max_mclk, u32 requested_mclk)
1231 {
1232 	return btc_find_valid_clock(&rdev->pm.dpm.dyn_state.valid_mclk_values,
1233 				    max_mclk, requested_mclk);
1234 }
1235 
1236 static u32 btc_get_valid_sclk(struct radeon_device *rdev,
1237 			      u32 max_sclk, u32 requested_sclk)
1238 {
1239 	return btc_find_valid_clock(&rdev->pm.dpm.dyn_state.valid_sclk_values,
1240 				    max_sclk, requested_sclk);
1241 }
1242 
1243 void btc_skip_blacklist_clocks(struct radeon_device *rdev,
1244 			       const u32 max_sclk, const u32 max_mclk,
1245 			       u32 *sclk, u32 *mclk)
1246 {
1247 	int i, num_blacklist_clocks;
1248 
1249 	if ((sclk == NULL) || (mclk == NULL))
1250 		return;
1251 
1252 	num_blacklist_clocks = ARRAY_SIZE(btc_blacklist_clocks);
1253 
1254 	for (i = 0; i < num_blacklist_clocks; i++) {
1255 		if ((btc_blacklist_clocks[i].sclk == *sclk) &&
1256 		    (btc_blacklist_clocks[i].mclk == *mclk))
1257 			break;
1258 	}
1259 
1260 	if (i < num_blacklist_clocks) {
1261 		if (btc_blacklist_clocks[i].action == RADEON_SCLK_UP) {
1262 			*sclk = btc_get_valid_sclk(rdev, max_sclk, *sclk + 1);
1263 
1264 			if (*sclk < max_sclk)
1265 				btc_skip_blacklist_clocks(rdev, max_sclk, max_mclk, sclk, mclk);
1266 		}
1267 	}
1268 }
1269 
1270 void btc_adjust_clock_combinations(struct radeon_device *rdev,
1271 				   const struct radeon_clock_and_voltage_limits *max_limits,
1272 				   struct rv7xx_pl *pl)
1273 {
1274 
1275 	if ((pl->mclk == 0) || (pl->sclk == 0))
1276 		return;
1277 
1278 	if (pl->mclk == pl->sclk)
1279 		return;
1280 
1281 	if (pl->mclk > pl->sclk) {
1282 		if (((pl->mclk + (pl->sclk - 1)) / pl->sclk) > rdev->pm.dpm.dyn_state.mclk_sclk_ratio)
1283 			pl->sclk = btc_get_valid_sclk(rdev,
1284 						      max_limits->sclk,
1285 						      (pl->mclk +
1286 						       (rdev->pm.dpm.dyn_state.mclk_sclk_ratio - 1)) /
1287 						      rdev->pm.dpm.dyn_state.mclk_sclk_ratio);
1288 	} else {
1289 		if ((pl->sclk - pl->mclk) > rdev->pm.dpm.dyn_state.sclk_mclk_delta)
1290 			pl->mclk = btc_get_valid_mclk(rdev,
1291 						      max_limits->mclk,
1292 						      pl->sclk -
1293 						      rdev->pm.dpm.dyn_state.sclk_mclk_delta);
1294 	}
1295 }
1296 
1297 static u16 btc_find_voltage(struct atom_voltage_table *table, u16 voltage)
1298 {
1299 	unsigned int i;
1300 
1301 	for (i = 0; i < table->count; i++) {
1302 		if (voltage <= table->entries[i].value)
1303 			return table->entries[i].value;
1304 	}
1305 
1306 	return table->entries[table->count - 1].value;
1307 }
1308 
1309 void btc_apply_voltage_delta_rules(struct radeon_device *rdev,
1310 				   u16 max_vddc, u16 max_vddci,
1311 				   u16 *vddc, u16 *vddci)
1312 {
1313 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1314 	u16 new_voltage;
1315 
1316 	if ((0 == *vddc) || (0 == *vddci))
1317 		return;
1318 
1319 	if (*vddc > *vddci) {
1320 		if ((*vddc - *vddci) > rdev->pm.dpm.dyn_state.vddc_vddci_delta) {
1321 			new_voltage = btc_find_voltage(&eg_pi->vddci_voltage_table,
1322 						       (*vddc - rdev->pm.dpm.dyn_state.vddc_vddci_delta));
1323 			*vddci = (new_voltage < max_vddci) ? new_voltage : max_vddci;
1324 		}
1325 	} else {
1326 		if ((*vddci - *vddc) > rdev->pm.dpm.dyn_state.vddc_vddci_delta) {
1327 			new_voltage = btc_find_voltage(&eg_pi->vddc_voltage_table,
1328 						       (*vddci - rdev->pm.dpm.dyn_state.vddc_vddci_delta));
1329 			*vddc = (new_voltage < max_vddc) ? new_voltage : max_vddc;
1330 		}
1331 	}
1332 }
1333 
1334 static void btc_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
1335 					     bool enable)
1336 {
1337 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1338 	u32 tmp, bif;
1339 
1340 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
1341 	if (enable) {
1342 		if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1343 		    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1344 			if (!pi->boot_in_gen2) {
1345 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
1346 				bif |= CG_CLIENT_REQ(0xd);
1347 				WREG32(CG_BIF_REQ_AND_RSP, bif);
1348 
1349 				tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
1350 				tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
1351 				tmp |= LC_GEN2_EN_STRAP;
1352 
1353 				tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1354 				WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
1355 				udelay(10);
1356 				tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1357 				WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
1358 			}
1359 		}
1360 	} else {
1361 		if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
1362 		    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1363 			if (!pi->boot_in_gen2) {
1364 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
1365 				bif |= CG_CLIENT_REQ(0xd);
1366 				WREG32(CG_BIF_REQ_AND_RSP, bif);
1367 
1368 				tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
1369 				tmp &= ~LC_GEN2_EN_STRAP;
1370 			}
1371 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
1372 		}
1373 	}
1374 }
1375 
1376 static void btc_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
1377 					 bool enable)
1378 {
1379 	btc_enable_bif_dynamic_pcie_gen2(rdev, enable);
1380 
1381 	if (enable)
1382 		WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
1383 	else
1384 		WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
1385 }
1386 
1387 static int btc_disable_ulv(struct radeon_device *rdev)
1388 {
1389 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1390 
1391 	if (eg_pi->ulv.supported) {
1392 		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_DisableULV) != PPSMC_Result_OK)
1393 			return -EINVAL;
1394 	}
1395 	return 0;
1396 }
1397 
1398 static int btc_populate_ulv_state(struct radeon_device *rdev,
1399 				  RV770_SMC_STATETABLE *table)
1400 {
1401 	int ret = -EINVAL;
1402 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1403 	struct rv7xx_pl *ulv_pl = eg_pi->ulv.pl;
1404 
1405 	if (ulv_pl->vddc) {
1406 		ret = cypress_convert_power_level_to_smc(rdev,
1407 							 ulv_pl,
1408 							 &table->ULVState.levels[0],
1409 							 PPSMC_DISPLAY_WATERMARK_LOW);
1410 		if (ret == 0) {
1411 			table->ULVState.levels[0].arbValue = MC_CG_ARB_FREQ_F0;
1412 			table->ULVState.levels[0].ACIndex = 1;
1413 
1414 			table->ULVState.levels[1] = table->ULVState.levels[0];
1415 			table->ULVState.levels[2] = table->ULVState.levels[0];
1416 
1417 			table->ULVState.flags |= PPSMC_SWSTATE_FLAG_DC;
1418 
1419 			WREG32(CG_ULV_CONTROL, BTC_CGULVCONTROL_DFLT);
1420 			WREG32(CG_ULV_PARAMETER, BTC_CGULVPARAMETER_DFLT);
1421 		}
1422 	}
1423 
1424 	return ret;
1425 }
1426 
1427 static int btc_populate_smc_acpi_state(struct radeon_device *rdev,
1428 				       RV770_SMC_STATETABLE *table)
1429 {
1430 	int ret = cypress_populate_smc_acpi_state(rdev, table);
1431 
1432 	if (ret == 0) {
1433 		table->ACPIState.levels[0].ACIndex = 0;
1434 		table->ACPIState.levels[1].ACIndex = 0;
1435 		table->ACPIState.levels[2].ACIndex = 0;
1436 	}
1437 
1438 	return ret;
1439 }
1440 
1441 void btc_program_mgcg_hw_sequence(struct radeon_device *rdev,
1442 				  const u32 *sequence, u32 count)
1443 {
1444 	u32 i, length = count * 3;
1445 	u32 tmp;
1446 
1447 	for (i = 0; i < length; i+=3) {
1448 		tmp = RREG32(sequence[i]);
1449 		tmp &= ~sequence[i+2];
1450 		tmp |= sequence[i+1] & sequence[i+2];
1451 		WREG32(sequence[i], tmp);
1452 	}
1453 }
1454 
1455 static void btc_cg_clock_gating_default(struct radeon_device *rdev)
1456 {
1457 	u32 count;
1458 	const u32 *p = NULL;
1459 
1460 	if (rdev->family == CHIP_BARTS) {
1461 		p = (const u32 *)&barts_cgcg_cgls_default;
1462 		count = BARTS_CGCG_CGLS_DEFAULT_LENGTH;
1463 	} else if (rdev->family == CHIP_TURKS) {
1464 		p = (const u32 *)&turks_cgcg_cgls_default;
1465 		count = TURKS_CGCG_CGLS_DEFAULT_LENGTH;
1466 	} else if (rdev->family == CHIP_CAICOS) {
1467 		p = (const u32 *)&caicos_cgcg_cgls_default;
1468 		count = CAICOS_CGCG_CGLS_DEFAULT_LENGTH;
1469 	} else
1470 		return;
1471 
1472 	btc_program_mgcg_hw_sequence(rdev, p, count);
1473 }
1474 
1475 static void btc_cg_clock_gating_enable(struct radeon_device *rdev,
1476 				       bool enable)
1477 {
1478 	u32 count;
1479 	const u32 *p = NULL;
1480 
1481 	if (enable) {
1482 		if (rdev->family == CHIP_BARTS) {
1483 			p = (const u32 *)&barts_cgcg_cgls_enable;
1484 			count = BARTS_CGCG_CGLS_ENABLE_LENGTH;
1485 		} else if (rdev->family == CHIP_TURKS) {
1486 			p = (const u32 *)&turks_cgcg_cgls_enable;
1487 			count = TURKS_CGCG_CGLS_ENABLE_LENGTH;
1488 		} else if (rdev->family == CHIP_CAICOS) {
1489 			p = (const u32 *)&caicos_cgcg_cgls_enable;
1490 			count = CAICOS_CGCG_CGLS_ENABLE_LENGTH;
1491 		} else
1492 			return;
1493 	} else {
1494 		if (rdev->family == CHIP_BARTS) {
1495 			p = (const u32 *)&barts_cgcg_cgls_disable;
1496 			count = BARTS_CGCG_CGLS_DISABLE_LENGTH;
1497 		} else if (rdev->family == CHIP_TURKS) {
1498 			p = (const u32 *)&turks_cgcg_cgls_disable;
1499 			count = TURKS_CGCG_CGLS_DISABLE_LENGTH;
1500 		} else if (rdev->family == CHIP_CAICOS) {
1501 			p = (const u32 *)&caicos_cgcg_cgls_disable;
1502 			count = CAICOS_CGCG_CGLS_DISABLE_LENGTH;
1503 		} else
1504 			return;
1505 	}
1506 
1507 	btc_program_mgcg_hw_sequence(rdev, p, count);
1508 }
1509 
1510 static void btc_mg_clock_gating_default(struct radeon_device *rdev)
1511 {
1512 	u32 count;
1513 	const u32 *p = NULL;
1514 
1515 	if (rdev->family == CHIP_BARTS) {
1516 		p = (const u32 *)&barts_mgcg_default;
1517 		count = BARTS_MGCG_DEFAULT_LENGTH;
1518 	} else if (rdev->family == CHIP_TURKS) {
1519 		p = (const u32 *)&turks_mgcg_default;
1520 		count = TURKS_MGCG_DEFAULT_LENGTH;
1521 	} else if (rdev->family == CHIP_CAICOS) {
1522 		p = (const u32 *)&caicos_mgcg_default;
1523 		count = CAICOS_MGCG_DEFAULT_LENGTH;
1524 	} else
1525 		return;
1526 
1527 	btc_program_mgcg_hw_sequence(rdev, p, count);
1528 }
1529 
1530 static void btc_mg_clock_gating_enable(struct radeon_device *rdev,
1531 				       bool enable)
1532 {
1533 	u32 count;
1534 	const u32 *p = NULL;
1535 
1536 	if (enable) {
1537 		if (rdev->family == CHIP_BARTS) {
1538 			p = (const u32 *)&barts_mgcg_enable;
1539 			count = BARTS_MGCG_ENABLE_LENGTH;
1540 		} else if (rdev->family == CHIP_TURKS) {
1541 			p = (const u32 *)&turks_mgcg_enable;
1542 			count = TURKS_MGCG_ENABLE_LENGTH;
1543 		} else if (rdev->family == CHIP_CAICOS) {
1544 			p = (const u32 *)&caicos_mgcg_enable;
1545 			count = CAICOS_MGCG_ENABLE_LENGTH;
1546 		} else
1547 			return;
1548 	} else {
1549 		if (rdev->family == CHIP_BARTS) {
1550 			p = (const u32 *)&barts_mgcg_disable[0];
1551 			count = BARTS_MGCG_DISABLE_LENGTH;
1552 		} else if (rdev->family == CHIP_TURKS) {
1553 			p = (const u32 *)&turks_mgcg_disable[0];
1554 			count = TURKS_MGCG_DISABLE_LENGTH;
1555 		} else if (rdev->family == CHIP_CAICOS) {
1556 			p = (const u32 *)&caicos_mgcg_disable[0];
1557 			count = CAICOS_MGCG_DISABLE_LENGTH;
1558 		} else
1559 			return;
1560 	}
1561 
1562 	btc_program_mgcg_hw_sequence(rdev, p, count);
1563 }
1564 
1565 static void btc_ls_clock_gating_default(struct radeon_device *rdev)
1566 {
1567 	u32 count;
1568 	const u32 *p = NULL;
1569 
1570 	if (rdev->family == CHIP_BARTS) {
1571 		p = (const u32 *)&barts_sysls_default;
1572 		count = BARTS_SYSLS_DEFAULT_LENGTH;
1573 	} else if (rdev->family == CHIP_TURKS) {
1574 		p = (const u32 *)&turks_sysls_default;
1575 		count = TURKS_SYSLS_DEFAULT_LENGTH;
1576 	} else if (rdev->family == CHIP_CAICOS) {
1577 		p = (const u32 *)&caicos_sysls_default;
1578 		count = CAICOS_SYSLS_DEFAULT_LENGTH;
1579 	} else
1580 		return;
1581 
1582 	btc_program_mgcg_hw_sequence(rdev, p, count);
1583 }
1584 
1585 static void btc_ls_clock_gating_enable(struct radeon_device *rdev,
1586 				       bool enable)
1587 {
1588 	u32 count;
1589 	const u32 *p = NULL;
1590 
1591 	if (enable) {
1592 		if (rdev->family == CHIP_BARTS) {
1593 			p = (const u32 *)&barts_sysls_enable;
1594 			count = BARTS_SYSLS_ENABLE_LENGTH;
1595 		} else if (rdev->family == CHIP_TURKS) {
1596 			p = (const u32 *)&turks_sysls_enable;
1597 			count = TURKS_SYSLS_ENABLE_LENGTH;
1598 		} else if (rdev->family == CHIP_CAICOS) {
1599 			p = (const u32 *)&caicos_sysls_enable;
1600 			count = CAICOS_SYSLS_ENABLE_LENGTH;
1601 		} else
1602 			return;
1603 	} else {
1604 		if (rdev->family == CHIP_BARTS) {
1605 			p = (const u32 *)&barts_sysls_disable;
1606 			count = BARTS_SYSLS_DISABLE_LENGTH;
1607 		} else if (rdev->family == CHIP_TURKS) {
1608 			p = (const u32 *)&turks_sysls_disable;
1609 			count = TURKS_SYSLS_DISABLE_LENGTH;
1610 		} else if (rdev->family == CHIP_CAICOS) {
1611 			p = (const u32 *)&caicos_sysls_disable;
1612 			count = CAICOS_SYSLS_DISABLE_LENGTH;
1613 		} else
1614 			return;
1615 	}
1616 
1617 	btc_program_mgcg_hw_sequence(rdev, p, count);
1618 }
1619 
1620 bool btc_dpm_enabled(struct radeon_device *rdev)
1621 {
1622 	if (rv770_is_smc_running(rdev))
1623 		return true;
1624 	else
1625 		return false;
1626 }
1627 
1628 static int btc_init_smc_table(struct radeon_device *rdev,
1629 			      struct radeon_ps *radeon_boot_state)
1630 {
1631 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1632 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1633 	RV770_SMC_STATETABLE *table = &pi->smc_statetable;
1634 	int ret;
1635 
1636 	memset(table, 0, sizeof(RV770_SMC_STATETABLE));
1637 
1638 	cypress_populate_smc_voltage_tables(rdev, table);
1639 
1640 	switch (rdev->pm.int_thermal_type) {
1641 	case THERMAL_TYPE_EVERGREEN:
1642 	case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
1643 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
1644 		break;
1645 	case THERMAL_TYPE_NONE:
1646 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
1647 		break;
1648 	default:
1649 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
1650 		break;
1651 	}
1652 
1653 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
1654 		table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
1655 
1656 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1657 		table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT;
1658 
1659 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1660 		table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
1661 
1662 	if (pi->mem_gddr5)
1663 		table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
1664 
1665 	ret = cypress_populate_smc_initial_state(rdev, radeon_boot_state, table);
1666 	if (ret)
1667 		return ret;
1668 
1669 	if (eg_pi->sclk_deep_sleep)
1670 		WREG32_P(SCLK_PSKIP_CNTL, PSKIP_ON_ALLOW_STOP_HI(32),
1671 			 ~PSKIP_ON_ALLOW_STOP_HI_MASK);
1672 
1673 	ret = btc_populate_smc_acpi_state(rdev, table);
1674 	if (ret)
1675 		return ret;
1676 
1677 	if (eg_pi->ulv.supported) {
1678 		ret = btc_populate_ulv_state(rdev, table);
1679 		if (ret)
1680 			eg_pi->ulv.supported = false;
1681 	}
1682 
1683 	table->driverState = table->initialState;
1684 
1685 	return rv770_copy_bytes_to_smc(rdev,
1686 				       pi->state_table_start,
1687 				       (u8 *)table,
1688 				       sizeof(RV770_SMC_STATETABLE),
1689 				       pi->sram_end);
1690 }
1691 
1692 static void btc_set_at_for_uvd(struct radeon_device *rdev,
1693 			       struct radeon_ps *radeon_new_state)
1694 {
1695 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1696 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1697 	int idx = 0;
1698 
1699 	if (r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2))
1700 		idx = 1;
1701 
1702 	if ((idx == 1) && !eg_pi->smu_uvd_hs) {
1703 		pi->rlp = 10;
1704 		pi->rmp = 100;
1705 		pi->lhp = 100;
1706 		pi->lmp = 10;
1707 	} else {
1708 		pi->rlp = eg_pi->ats[idx].rlp;
1709 		pi->rmp = eg_pi->ats[idx].rmp;
1710 		pi->lhp = eg_pi->ats[idx].lhp;
1711 		pi->lmp = eg_pi->ats[idx].lmp;
1712 	}
1713 
1714 }
1715 
1716 void btc_notify_uvd_to_smc(struct radeon_device *rdev,
1717 			   struct radeon_ps *radeon_new_state)
1718 {
1719 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1720 
1721 	if (r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
1722 		rv770_write_smc_soft_register(rdev,
1723 					      RV770_SMC_SOFT_REGISTER_uvd_enabled, 1);
1724 		eg_pi->uvd_enabled = true;
1725 	} else {
1726 		rv770_write_smc_soft_register(rdev,
1727 					      RV770_SMC_SOFT_REGISTER_uvd_enabled, 0);
1728 		eg_pi->uvd_enabled = false;
1729 	}
1730 }
1731 
1732 int btc_reset_to_default(struct radeon_device *rdev)
1733 {
1734 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_ResetToDefaults) != PPSMC_Result_OK)
1735 		return -EINVAL;
1736 
1737 	return 0;
1738 }
1739 
1740 static void btc_stop_smc(struct radeon_device *rdev)
1741 {
1742 	int i;
1743 
1744 	for (i = 0; i < rdev->usec_timeout; i++) {
1745 		if (((RREG32(LB_SYNC_RESET_SEL) & LB_SYNC_RESET_SEL_MASK) >> LB_SYNC_RESET_SEL_SHIFT) != 1)
1746 			break;
1747 		udelay(1);
1748 	}
1749 	udelay(100);
1750 
1751 	r7xx_stop_smc(rdev);
1752 }
1753 
1754 void btc_read_arb_registers(struct radeon_device *rdev)
1755 {
1756 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1757 	struct evergreen_arb_registers *arb_registers =
1758 		&eg_pi->bootup_arb_registers;
1759 
1760 	arb_registers->mc_arb_dram_timing = RREG32(MC_ARB_DRAM_TIMING);
1761 	arb_registers->mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1762 	arb_registers->mc_arb_rfsh_rate = RREG32(MC_ARB_RFSH_RATE);
1763 	arb_registers->mc_arb_burst_time = RREG32(MC_ARB_BURST_TIME);
1764 }
1765 
1766 
1767 static void btc_set_arb0_registers(struct radeon_device *rdev,
1768 				   struct evergreen_arb_registers *arb_registers)
1769 {
1770 	u32 val;
1771 
1772 	WREG32(MC_ARB_DRAM_TIMING,  arb_registers->mc_arb_dram_timing);
1773 	WREG32(MC_ARB_DRAM_TIMING2, arb_registers->mc_arb_dram_timing2);
1774 
1775 	val = (arb_registers->mc_arb_rfsh_rate & POWERMODE0_MASK) >>
1776 		POWERMODE0_SHIFT;
1777 	WREG32_P(MC_ARB_RFSH_RATE, POWERMODE0(val), ~POWERMODE0_MASK);
1778 
1779 	val = (arb_registers->mc_arb_burst_time & STATE0_MASK) >>
1780 		STATE0_SHIFT;
1781 	WREG32_P(MC_ARB_BURST_TIME, STATE0(val), ~STATE0_MASK);
1782 }
1783 
1784 static void btc_set_boot_state_timing(struct radeon_device *rdev)
1785 {
1786 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1787 
1788 	if (eg_pi->ulv.supported)
1789 		btc_set_arb0_registers(rdev, &eg_pi->bootup_arb_registers);
1790 }
1791 
1792 static bool btc_is_state_ulv_compatible(struct radeon_device *rdev,
1793 					struct radeon_ps *radeon_state)
1794 {
1795 	struct rv7xx_ps *state = rv770_get_ps(radeon_state);
1796 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1797 	struct rv7xx_pl *ulv_pl = eg_pi->ulv.pl;
1798 
1799 	if (state->low.mclk != ulv_pl->mclk)
1800 		return false;
1801 
1802 	if (state->low.vddci != ulv_pl->vddci)
1803 		return false;
1804 
1805 	/* XXX check minclocks, etc. */
1806 
1807 	return true;
1808 }
1809 
1810 
1811 static int btc_set_ulv_dram_timing(struct radeon_device *rdev)
1812 {
1813 	u32 val;
1814 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1815 	struct rv7xx_pl *ulv_pl = eg_pi->ulv.pl;
1816 
1817 	radeon_atom_set_engine_dram_timings(rdev,
1818 					    ulv_pl->sclk,
1819 					    ulv_pl->mclk);
1820 
1821 	val = rv770_calculate_memory_refresh_rate(rdev, ulv_pl->sclk);
1822 	WREG32_P(MC_ARB_RFSH_RATE, POWERMODE0(val), ~POWERMODE0_MASK);
1823 
1824 	val = cypress_calculate_burst_time(rdev, ulv_pl->sclk, ulv_pl->mclk);
1825 	WREG32_P(MC_ARB_BURST_TIME, STATE0(val), ~STATE0_MASK);
1826 
1827 	return 0;
1828 }
1829 
1830 static int btc_enable_ulv(struct radeon_device *rdev)
1831 {
1832 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableULV) != PPSMC_Result_OK)
1833 		return -EINVAL;
1834 
1835 	return 0;
1836 }
1837 
1838 static int btc_set_power_state_conditionally_enable_ulv(struct radeon_device *rdev,
1839 							struct radeon_ps *radeon_new_state)
1840 {
1841 	int ret = 0;
1842 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1843 
1844 	if (eg_pi->ulv.supported) {
1845 		if (btc_is_state_ulv_compatible(rdev, radeon_new_state)) {
1846 			// Set ARB[0] to reflect the DRAM timing needed for ULV.
1847 			ret = btc_set_ulv_dram_timing(rdev);
1848 			if (ret == 0)
1849 				ret = btc_enable_ulv(rdev);
1850 		}
1851 	}
1852 
1853 	return ret;
1854 }
1855 
1856 static bool btc_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
1857 {
1858 	bool result = true;
1859 
1860 	switch (in_reg) {
1861 	case MC_SEQ_RAS_TIMING >> 2:
1862 		*out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
1863 		break;
1864 	case MC_SEQ_CAS_TIMING >> 2:
1865 		*out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
1866 		break;
1867 	case MC_SEQ_MISC_TIMING >> 2:
1868 		*out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
1869 		break;
1870 	case MC_SEQ_MISC_TIMING2 >> 2:
1871 		*out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
1872 		break;
1873 	case MC_SEQ_RD_CTL_D0 >> 2:
1874 		*out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
1875 		break;
1876 	case MC_SEQ_RD_CTL_D1 >> 2:
1877 		*out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
1878 		break;
1879 	case MC_SEQ_WR_CTL_D0 >> 2:
1880 		*out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
1881 		break;
1882 	case MC_SEQ_WR_CTL_D1 >> 2:
1883 		*out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
1884 		break;
1885 	case MC_PMG_CMD_EMRS >> 2:
1886 		*out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
1887 		break;
1888 	case MC_PMG_CMD_MRS >> 2:
1889 		*out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
1890 		break;
1891 	case MC_PMG_CMD_MRS1 >> 2:
1892 		*out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
1893 		break;
1894 	default:
1895 		result = false;
1896 		break;
1897 	}
1898 
1899 	return result;
1900 }
1901 
1902 static void btc_set_valid_flag(struct evergreen_mc_reg_table *table)
1903 {
1904 	u8 i, j;
1905 
1906 	for (i = 0; i < table->last; i++) {
1907 		for (j = 1; j < table->num_entries; j++) {
1908 			if (table->mc_reg_table_entry[j-1].mc_data[i] !=
1909 			    table->mc_reg_table_entry[j].mc_data[i]) {
1910 				table->valid_flag |= (1 << i);
1911 				break;
1912 			}
1913 		}
1914 	}
1915 }
1916 
1917 static int btc_set_mc_special_registers(struct radeon_device *rdev,
1918 					struct evergreen_mc_reg_table *table)
1919 {
1920 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1921 	u8 i, j, k;
1922 	u32 tmp;
1923 
1924 	for (i = 0, j = table->last; i < table->last; i++) {
1925 		switch (table->mc_reg_address[i].s1) {
1926 		case MC_SEQ_MISC1 >> 2:
1927 			tmp = RREG32(MC_PMG_CMD_EMRS);
1928 			table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
1929 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
1930 			for (k = 0; k < table->num_entries; k++) {
1931 				table->mc_reg_table_entry[k].mc_data[j] =
1932 					((tmp & 0xffff0000)) |
1933 					((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
1934 			}
1935 			j++;
1936 
1937 			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1938 				return -EINVAL;
1939 
1940 			tmp = RREG32(MC_PMG_CMD_MRS);
1941 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
1942 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
1943 			for (k = 0; k < table->num_entries; k++) {
1944 				table->mc_reg_table_entry[k].mc_data[j] =
1945 					(tmp & 0xffff0000) |
1946 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
1947 				if (!pi->mem_gddr5)
1948 					table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
1949 			}
1950 			j++;
1951 
1952 			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1953 				return -EINVAL;
1954 			break;
1955 		case MC_SEQ_RESERVE_M >> 2:
1956 			tmp = RREG32(MC_PMG_CMD_MRS1);
1957 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
1958 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
1959 			for (k = 0; k < table->num_entries; k++) {
1960 				table->mc_reg_table_entry[k].mc_data[j] =
1961 					(tmp & 0xffff0000) |
1962 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
1963 			}
1964 			j++;
1965 
1966 			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1967 				return -EINVAL;
1968 			break;
1969 		default:
1970 			break;
1971 		}
1972 	}
1973 
1974 	table->last = j;
1975 
1976 	return 0;
1977 }
1978 
1979 static void btc_set_s0_mc_reg_index(struct evergreen_mc_reg_table *table)
1980 {
1981 	u32 i;
1982 	u16 address;
1983 
1984 	for (i = 0; i < table->last; i++) {
1985 		table->mc_reg_address[i].s0 =
1986 			btc_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
1987 			address : table->mc_reg_address[i].s1;
1988 	}
1989 }
1990 
1991 static int btc_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
1992 				       struct evergreen_mc_reg_table *eg_table)
1993 {
1994 	u8 i, j;
1995 
1996 	if (table->last > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1997 		return -EINVAL;
1998 
1999 	if (table->num_entries > MAX_AC_TIMING_ENTRIES)
2000 		return -EINVAL;
2001 
2002 	for (i = 0; i < table->last; i++)
2003 		eg_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
2004 	eg_table->last = table->last;
2005 
2006 	for (i = 0; i < table->num_entries; i++) {
2007 		eg_table->mc_reg_table_entry[i].mclk_max =
2008 			table->mc_reg_table_entry[i].mclk_max;
2009 		for(j = 0; j < table->last; j++)
2010 			eg_table->mc_reg_table_entry[i].mc_data[j] =
2011 				table->mc_reg_table_entry[i].mc_data[j];
2012 	}
2013 	eg_table->num_entries = table->num_entries;
2014 
2015 	return 0;
2016 }
2017 
2018 static int btc_initialize_mc_reg_table(struct radeon_device *rdev)
2019 {
2020 	int ret;
2021 	struct atom_mc_reg_table *table;
2022 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2023 	struct evergreen_mc_reg_table *eg_table = &eg_pi->mc_reg_table;
2024 	u8 module_index = rv770_get_memory_module_index(rdev);
2025 
2026 	table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
2027 	if (!table)
2028 		return -ENOMEM;
2029 
2030 	/* Program additional LP registers that are no longer programmed by VBIOS */
2031 	WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
2032 	WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
2033 	WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
2034 	WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
2035 	WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
2036 	WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
2037 	WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
2038 	WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
2039 	WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
2040 	WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
2041 	WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
2042 
2043 	ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);
2044 
2045 	if (ret)
2046 		goto init_mc_done;
2047 
2048 	ret = btc_copy_vbios_mc_reg_table(table, eg_table);
2049 
2050 	if (ret)
2051 		goto init_mc_done;
2052 
2053 	btc_set_s0_mc_reg_index(eg_table);
2054 	ret = btc_set_mc_special_registers(rdev, eg_table);
2055 
2056 	if (ret)
2057 		goto init_mc_done;
2058 
2059 	btc_set_valid_flag(eg_table);
2060 
2061 init_mc_done:
2062 	kfree(table);
2063 
2064 	return ret;
2065 }
2066 
2067 static void btc_init_stutter_mode(struct radeon_device *rdev)
2068 {
2069 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2070 	u32 tmp;
2071 
2072 	if (pi->mclk_stutter_mode_threshold) {
2073 		if (pi->mem_gddr5) {
2074 			tmp = RREG32(MC_PMG_AUTO_CFG);
2075 			if ((0x200 & tmp) == 0) {
2076 				tmp = (tmp & 0xfffffc0b) | 0x204;
2077 				WREG32(MC_PMG_AUTO_CFG, tmp);
2078 			}
2079 		}
2080 	}
2081 }
2082 
2083 bool btc_dpm_vblank_too_short(struct radeon_device *rdev)
2084 {
2085 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2086 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
2087 	u32 switch_limit = pi->mem_gddr5 ? 450 : 100;
2088 
2089 	if (vblank_time < switch_limit)
2090 		return true;
2091 	else
2092 		return false;
2093 
2094 }
2095 
2096 static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
2097 					 struct radeon_ps *rps)
2098 {
2099 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2100 	struct radeon_clock_and_voltage_limits *max_limits;
2101 	bool disable_mclk_switching;
2102 	u32 mclk, sclk;
2103 	u16 vddc, vddci;
2104 
2105 	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
2106 	    btc_dpm_vblank_too_short(rdev))
2107 		disable_mclk_switching = true;
2108 	else
2109 		disable_mclk_switching = false;
2110 
2111 	if (rdev->pm.dpm.ac_power)
2112 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2113 	else
2114 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
2115 
2116 	if (rdev->pm.dpm.ac_power == false) {
2117 		if (ps->high.mclk > max_limits->mclk)
2118 			ps->high.mclk = max_limits->mclk;
2119 		if (ps->high.sclk > max_limits->sclk)
2120 			ps->high.sclk = max_limits->sclk;
2121 		if (ps->high.vddc > max_limits->vddc)
2122 			ps->high.vddc = max_limits->vddc;
2123 		if (ps->high.vddci > max_limits->vddci)
2124 			ps->high.vddci = max_limits->vddci;
2125 
2126 		if (ps->medium.mclk > max_limits->mclk)
2127 			ps->medium.mclk = max_limits->mclk;
2128 		if (ps->medium.sclk > max_limits->sclk)
2129 			ps->medium.sclk = max_limits->sclk;
2130 		if (ps->medium.vddc > max_limits->vddc)
2131 			ps->medium.vddc = max_limits->vddc;
2132 		if (ps->medium.vddci > max_limits->vddci)
2133 			ps->medium.vddci = max_limits->vddci;
2134 
2135 		if (ps->low.mclk > max_limits->mclk)
2136 			ps->low.mclk = max_limits->mclk;
2137 		if (ps->low.sclk > max_limits->sclk)
2138 			ps->low.sclk = max_limits->sclk;
2139 		if (ps->low.vddc > max_limits->vddc)
2140 			ps->low.vddc = max_limits->vddc;
2141 		if (ps->low.vddci > max_limits->vddci)
2142 			ps->low.vddci = max_limits->vddci;
2143 	}
2144 
2145 	/* XXX validate the min clocks required for display */
2146 
2147 	if (disable_mclk_switching) {
2148 		sclk = ps->low.sclk;
2149 		mclk = ps->high.mclk;
2150 		vddc = ps->low.vddc;
2151 		vddci = ps->high.vddci;
2152 	} else {
2153 		sclk = ps->low.sclk;
2154 		mclk = ps->low.mclk;
2155 		vddc = ps->low.vddc;
2156 		vddci = ps->low.vddci;
2157 	}
2158 
2159 	/* adjusted low state */
2160 	ps->low.sclk = sclk;
2161 	ps->low.mclk = mclk;
2162 	ps->low.vddc = vddc;
2163 	ps->low.vddci = vddci;
2164 
2165 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
2166 				  &ps->low.sclk, &ps->low.mclk);
2167 
2168 	/* adjusted medium, high states */
2169 	if (ps->medium.sclk < ps->low.sclk)
2170 		ps->medium.sclk = ps->low.sclk;
2171 	if (ps->medium.vddc < ps->low.vddc)
2172 		ps->medium.vddc = ps->low.vddc;
2173 	if (ps->high.sclk < ps->medium.sclk)
2174 		ps->high.sclk = ps->medium.sclk;
2175 	if (ps->high.vddc < ps->medium.vddc)
2176 		ps->high.vddc = ps->medium.vddc;
2177 
2178 	if (disable_mclk_switching) {
2179 		mclk = ps->low.mclk;
2180 		if (mclk < ps->medium.mclk)
2181 			mclk = ps->medium.mclk;
2182 		if (mclk < ps->high.mclk)
2183 			mclk = ps->high.mclk;
2184 		ps->low.mclk = mclk;
2185 		ps->low.vddci = vddci;
2186 		ps->medium.mclk = mclk;
2187 		ps->medium.vddci = vddci;
2188 		ps->high.mclk = mclk;
2189 		ps->high.vddci = vddci;
2190 	} else {
2191 		if (ps->medium.mclk < ps->low.mclk)
2192 			ps->medium.mclk = ps->low.mclk;
2193 		if (ps->medium.vddci < ps->low.vddci)
2194 			ps->medium.vddci = ps->low.vddci;
2195 		if (ps->high.mclk < ps->medium.mclk)
2196 			ps->high.mclk = ps->medium.mclk;
2197 		if (ps->high.vddci < ps->medium.vddci)
2198 			ps->high.vddci = ps->medium.vddci;
2199 	}
2200 
2201 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
2202 				  &ps->medium.sclk, &ps->medium.mclk);
2203 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
2204 				  &ps->high.sclk, &ps->high.mclk);
2205 
2206 	btc_adjust_clock_combinations(rdev, max_limits, &ps->low);
2207 	btc_adjust_clock_combinations(rdev, max_limits, &ps->medium);
2208 	btc_adjust_clock_combinations(rdev, max_limits, &ps->high);
2209 
2210 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
2211 					   ps->low.sclk, max_limits->vddc, &ps->low.vddc);
2212 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2213 					   ps->low.mclk, max_limits->vddci, &ps->low.vddci);
2214 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2215 					   ps->low.mclk, max_limits->vddc, &ps->low.vddc);
2216 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
2217 					   rdev->clock.current_dispclk, max_limits->vddc, &ps->low.vddc);
2218 
2219 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
2220 					   ps->medium.sclk, max_limits->vddc, &ps->medium.vddc);
2221 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2222 					   ps->medium.mclk, max_limits->vddci, &ps->medium.vddci);
2223 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2224 					   ps->medium.mclk, max_limits->vddc, &ps->medium.vddc);
2225 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
2226 					   rdev->clock.current_dispclk, max_limits->vddc, &ps->medium.vddc);
2227 
2228 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
2229 					   ps->high.sclk, max_limits->vddc, &ps->high.vddc);
2230 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2231 					   ps->high.mclk, max_limits->vddci, &ps->high.vddci);
2232 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2233 					   ps->high.mclk, max_limits->vddc, &ps->high.vddc);
2234 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
2235 					   rdev->clock.current_dispclk, max_limits->vddc, &ps->high.vddc);
2236 
2237 	btc_apply_voltage_delta_rules(rdev, max_limits->vddc, max_limits->vddci,
2238 				      &ps->low.vddc, &ps->low.vddci);
2239 	btc_apply_voltage_delta_rules(rdev, max_limits->vddc, max_limits->vddci,
2240 				      &ps->medium.vddc, &ps->medium.vddci);
2241 	btc_apply_voltage_delta_rules(rdev, max_limits->vddc, max_limits->vddci,
2242 				      &ps->high.vddc, &ps->high.vddci);
2243 
2244 	if ((ps->high.vddc <= rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc) &&
2245 	    (ps->medium.vddc <= rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc) &&
2246 	    (ps->low.vddc <= rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc))
2247 		ps->dc_compatible = true;
2248 	else
2249 		ps->dc_compatible = false;
2250 
2251 	if (ps->low.vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
2252 		ps->low.flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
2253 	if (ps->medium.vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
2254 		ps->medium.flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
2255 	if (ps->high.vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
2256 		ps->high.flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
2257 }
2258 
2259 static void btc_update_current_ps(struct radeon_device *rdev,
2260 				  struct radeon_ps *rps)
2261 {
2262 	struct rv7xx_ps *new_ps = rv770_get_ps(rps);
2263 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2264 
2265 	eg_pi->current_rps = *rps;
2266 	eg_pi->current_ps = *new_ps;
2267 	eg_pi->current_rps.ps_priv = &eg_pi->current_ps;
2268 }
2269 
2270 static void btc_update_requested_ps(struct radeon_device *rdev,
2271 				    struct radeon_ps *rps)
2272 {
2273 	struct rv7xx_ps *new_ps = rv770_get_ps(rps);
2274 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2275 
2276 	eg_pi->requested_rps = *rps;
2277 	eg_pi->requested_ps = *new_ps;
2278 	eg_pi->requested_rps.ps_priv = &eg_pi->requested_ps;
2279 }
2280 
2281 #if 0
2282 void btc_dpm_reset_asic(struct radeon_device *rdev)
2283 {
2284 	rv770_restrict_performance_levels_before_switch(rdev);
2285 	btc_disable_ulv(rdev);
2286 	btc_set_boot_state_timing(rdev);
2287 	rv770_set_boot_state(rdev);
2288 }
2289 #endif
2290 
2291 int btc_dpm_pre_set_power_state(struct radeon_device *rdev)
2292 {
2293 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2294 	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
2295 	struct radeon_ps *new_ps = &requested_ps;
2296 
2297 	btc_update_requested_ps(rdev, new_ps);
2298 
2299 	btc_apply_state_adjust_rules(rdev, &eg_pi->requested_rps);
2300 
2301 	return 0;
2302 }
2303 
2304 int btc_dpm_set_power_state(struct radeon_device *rdev)
2305 {
2306 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2307 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
2308 	struct radeon_ps *old_ps = &eg_pi->current_rps;
2309 	int ret;
2310 
2311 	ret = btc_disable_ulv(rdev);
2312 	btc_set_boot_state_timing(rdev);
2313 	ret = rv770_restrict_performance_levels_before_switch(rdev);
2314 	if (ret) {
2315 		DRM_ERROR("rv770_restrict_performance_levels_before_switch failed\n");
2316 		return ret;
2317 	}
2318 	if (eg_pi->pcie_performance_request)
2319 		cypress_notify_link_speed_change_before_state_change(rdev, new_ps, old_ps);
2320 
2321 	rv770_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
2322 	ret = rv770_halt_smc(rdev);
2323 	if (ret) {
2324 		DRM_ERROR("rv770_halt_smc failed\n");
2325 		return ret;
2326 	}
2327 	btc_set_at_for_uvd(rdev, new_ps);
2328 	if (eg_pi->smu_uvd_hs)
2329 		btc_notify_uvd_to_smc(rdev, new_ps);
2330 	ret = cypress_upload_sw_state(rdev, new_ps);
2331 	if (ret) {
2332 		DRM_ERROR("cypress_upload_sw_state failed\n");
2333 		return ret;
2334 	}
2335 	if (eg_pi->dynamic_ac_timing) {
2336 		ret = cypress_upload_mc_reg_table(rdev, new_ps);
2337 		if (ret) {
2338 			DRM_ERROR("cypress_upload_mc_reg_table failed\n");
2339 			return ret;
2340 		}
2341 	}
2342 
2343 	cypress_program_memory_timing_parameters(rdev, new_ps);
2344 
2345 	ret = rv770_resume_smc(rdev);
2346 	if (ret) {
2347 		DRM_ERROR("rv770_resume_smc failed\n");
2348 		return ret;
2349 	}
2350 	ret = rv770_set_sw_state(rdev);
2351 	if (ret) {
2352 		DRM_ERROR("rv770_set_sw_state failed\n");
2353 		return ret;
2354 	}
2355 	rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
2356 
2357 	if (eg_pi->pcie_performance_request)
2358 		cypress_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps);
2359 
2360 	ret = btc_set_power_state_conditionally_enable_ulv(rdev, new_ps);
2361 	if (ret) {
2362 		DRM_ERROR("btc_set_power_state_conditionally_enable_ulv failed\n");
2363 		return ret;
2364 	}
2365 
2366 	return 0;
2367 }
2368 
2369 void btc_dpm_post_set_power_state(struct radeon_device *rdev)
2370 {
2371 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2372 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
2373 
2374 	btc_update_current_ps(rdev, new_ps);
2375 }
2376 
2377 int btc_dpm_enable(struct radeon_device *rdev)
2378 {
2379 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2380 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2381 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
2382 	int ret;
2383 
2384 	if (pi->gfx_clock_gating)
2385 		btc_cg_clock_gating_default(rdev);
2386 
2387 	if (btc_dpm_enabled(rdev))
2388 		return -EINVAL;
2389 
2390 	if (pi->mg_clock_gating)
2391 		btc_mg_clock_gating_default(rdev);
2392 
2393 	if (eg_pi->ls_clock_gating)
2394 		btc_ls_clock_gating_default(rdev);
2395 
2396 	if (pi->voltage_control) {
2397 		rv770_enable_voltage_control(rdev, true);
2398 		ret = cypress_construct_voltage_tables(rdev);
2399 		if (ret) {
2400 			DRM_ERROR("cypress_construct_voltage_tables failed\n");
2401 			return ret;
2402 		}
2403 	}
2404 
2405 	if (pi->mvdd_control) {
2406 		ret = cypress_get_mvdd_configuration(rdev);
2407 		if (ret) {
2408 			DRM_ERROR("cypress_get_mvdd_configuration failed\n");
2409 			return ret;
2410 		}
2411 	}
2412 
2413 	if (eg_pi->dynamic_ac_timing) {
2414 		ret = btc_initialize_mc_reg_table(rdev);
2415 		if (ret)
2416 			eg_pi->dynamic_ac_timing = false;
2417 	}
2418 
2419 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
2420 		rv770_enable_backbias(rdev, true);
2421 
2422 	if (pi->dynamic_ss)
2423 		cypress_enable_spread_spectrum(rdev, true);
2424 
2425 	if (pi->thermal_protection)
2426 		rv770_enable_thermal_protection(rdev, true);
2427 
2428 	rv770_setup_bsp(rdev);
2429 	rv770_program_git(rdev);
2430 	rv770_program_tp(rdev);
2431 	rv770_program_tpp(rdev);
2432 	rv770_program_sstp(rdev);
2433 	rv770_program_engine_speed_parameters(rdev);
2434 	cypress_enable_display_gap(rdev);
2435 	rv770_program_vc(rdev);
2436 
2437 	if (pi->dynamic_pcie_gen2)
2438 		btc_enable_dynamic_pcie_gen2(rdev, true);
2439 
2440 	ret = rv770_upload_firmware(rdev);
2441 	if (ret) {
2442 		DRM_ERROR("rv770_upload_firmware failed\n");
2443 		return ret;
2444 	}
2445 	ret = cypress_get_table_locations(rdev);
2446 	if (ret) {
2447 		DRM_ERROR("cypress_get_table_locations failed\n");
2448 		return ret;
2449 	}
2450 	ret = btc_init_smc_table(rdev, boot_ps);
2451 	if (ret)
2452 		return ret;
2453 
2454 	if (eg_pi->dynamic_ac_timing) {
2455 		ret = cypress_populate_mc_reg_table(rdev, boot_ps);
2456 		if (ret) {
2457 			DRM_ERROR("cypress_populate_mc_reg_table failed\n");
2458 			return ret;
2459 		}
2460 	}
2461 
2462 	cypress_program_response_times(rdev);
2463 	r7xx_start_smc(rdev);
2464 	ret = cypress_notify_smc_display_change(rdev, false);
2465 	if (ret) {
2466 		DRM_ERROR("cypress_notify_smc_display_change failed\n");
2467 		return ret;
2468 	}
2469 	cypress_enable_sclk_control(rdev, true);
2470 
2471 	if (eg_pi->memory_transition)
2472 		cypress_enable_mclk_control(rdev, true);
2473 
2474 	cypress_start_dpm(rdev);
2475 
2476 	if (pi->gfx_clock_gating)
2477 		btc_cg_clock_gating_enable(rdev, true);
2478 
2479 	if (pi->mg_clock_gating)
2480 		btc_mg_clock_gating_enable(rdev, true);
2481 
2482 	if (eg_pi->ls_clock_gating)
2483 		btc_ls_clock_gating_enable(rdev, true);
2484 
2485 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
2486 
2487 	btc_init_stutter_mode(rdev);
2488 
2489 	btc_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
2490 
2491 	return 0;
2492 };
2493 
2494 void btc_dpm_disable(struct radeon_device *rdev)
2495 {
2496 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2497 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2498 
2499 	if (!btc_dpm_enabled(rdev))
2500 		return;
2501 
2502 	rv770_clear_vc(rdev);
2503 
2504 	if (pi->thermal_protection)
2505 		rv770_enable_thermal_protection(rdev, false);
2506 
2507 	if (pi->dynamic_pcie_gen2)
2508 		btc_enable_dynamic_pcie_gen2(rdev, false);
2509 
2510 	if (rdev->irq.installed &&
2511 	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
2512 		rdev->irq.dpm_thermal = false;
2513 		radeon_irq_set(rdev);
2514 	}
2515 
2516 	if (pi->gfx_clock_gating)
2517 		btc_cg_clock_gating_enable(rdev, false);
2518 
2519 	if (pi->mg_clock_gating)
2520 		btc_mg_clock_gating_enable(rdev, false);
2521 
2522 	if (eg_pi->ls_clock_gating)
2523 		btc_ls_clock_gating_enable(rdev, false);
2524 
2525 	rv770_stop_dpm(rdev);
2526 	btc_reset_to_default(rdev);
2527 	btc_stop_smc(rdev);
2528 	cypress_enable_spread_spectrum(rdev, false);
2529 
2530 	btc_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
2531 }
2532 
2533 void btc_dpm_setup_asic(struct radeon_device *rdev)
2534 {
2535 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2536 	int r;
2537 
2538 	r = ni_mc_load_microcode(rdev);
2539 	if (r)
2540 		DRM_ERROR("Failed to load MC firmware!\n");
2541 	rv770_get_memory_type(rdev);
2542 	rv740_read_clock_registers(rdev);
2543 	btc_read_arb_registers(rdev);
2544 	rv770_read_voltage_smio_registers(rdev);
2545 
2546 	if (eg_pi->pcie_performance_request)
2547 		cypress_advertise_gen2_capability(rdev);
2548 
2549 	rv770_get_pcie_gen2_status(rdev);
2550 	rv770_enable_acpi_pm(rdev);
2551 }
2552 
2553 int btc_dpm_init(struct radeon_device *rdev)
2554 {
2555 	struct rv7xx_power_info *pi;
2556 	struct evergreen_power_info *eg_pi;
2557 	struct atom_clock_dividers dividers;
2558 	int ret;
2559 
2560 	eg_pi = kzalloc(sizeof(struct evergreen_power_info), GFP_KERNEL);
2561 	if (eg_pi == NULL)
2562 		return -ENOMEM;
2563 	rdev->pm.dpm.priv = eg_pi;
2564 	pi = &eg_pi->rv7xx;
2565 
2566 	rv770_get_max_vddc(rdev);
2567 
2568 	eg_pi->ulv.supported = false;
2569 	pi->acpi_vddc = 0;
2570 	eg_pi->acpi_vddci = 0;
2571 	pi->min_vddc_in_table = 0;
2572 	pi->max_vddc_in_table = 0;
2573 
2574 	ret = r600_get_platform_caps(rdev);
2575 	if (ret)
2576 		return ret;
2577 
2578 	ret = rv7xx_parse_power_table(rdev);
2579 	if (ret)
2580 		return ret;
2581 	ret = r600_parse_extended_power_table(rdev);
2582 	if (ret)
2583 		return ret;
2584 
2585 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
2586 		kcalloc(4,
2587 			sizeof(struct radeon_clock_voltage_dependency_entry),
2588 			GFP_KERNEL);
2589 	if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
2590 		r600_free_extended_power_table(rdev);
2591 		return -ENOMEM;
2592 	}
2593 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
2594 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
2595 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
2596 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
2597 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 800;
2598 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
2599 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 800;
2600 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
2601 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 800;
2602 
2603 	if (rdev->pm.dpm.voltage_response_time == 0)
2604 		rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
2605 	if (rdev->pm.dpm.backbias_response_time == 0)
2606 		rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
2607 
2608 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2609 					     0, false, &dividers);
2610 	if (ret)
2611 		pi->ref_div = dividers.ref_div + 1;
2612 	else
2613 		pi->ref_div = R600_REFERENCEDIVIDER_DFLT;
2614 
2615 	pi->mclk_strobe_mode_threshold = 40000;
2616 	pi->mclk_edc_enable_threshold = 40000;
2617 	eg_pi->mclk_edc_wr_enable_threshold = 40000;
2618 
2619 	pi->rlp = RV770_RLP_DFLT;
2620 	pi->rmp = RV770_RMP_DFLT;
2621 	pi->lhp = RV770_LHP_DFLT;
2622 	pi->lmp = RV770_LMP_DFLT;
2623 
2624 	eg_pi->ats[0].rlp = RV770_RLP_DFLT;
2625 	eg_pi->ats[0].rmp = RV770_RMP_DFLT;
2626 	eg_pi->ats[0].lhp = RV770_LHP_DFLT;
2627 	eg_pi->ats[0].lmp = RV770_LMP_DFLT;
2628 
2629 	eg_pi->ats[1].rlp = BTC_RLP_UVD_DFLT;
2630 	eg_pi->ats[1].rmp = BTC_RMP_UVD_DFLT;
2631 	eg_pi->ats[1].lhp = BTC_LHP_UVD_DFLT;
2632 	eg_pi->ats[1].lmp = BTC_LMP_UVD_DFLT;
2633 
2634 	eg_pi->smu_uvd_hs = true;
2635 
2636 	pi->voltage_control =
2637 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
2638 
2639 	pi->mvdd_control =
2640 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
2641 
2642 	eg_pi->vddci_control =
2643 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
2644 
2645 	rv770_get_engine_memory_ss(rdev);
2646 
2647 	pi->asi = RV770_ASI_DFLT;
2648 	pi->pasi = CYPRESS_HASI_DFLT;
2649 	pi->vrc = CYPRESS_VRC_DFLT;
2650 
2651 	pi->power_gating = false;
2652 
2653 	pi->gfx_clock_gating = true;
2654 
2655 	pi->mg_clock_gating = true;
2656 	pi->mgcgtssm = true;
2657 	eg_pi->ls_clock_gating = false;
2658 	eg_pi->sclk_deep_sleep = false;
2659 
2660 	pi->dynamic_pcie_gen2 = true;
2661 
2662 	if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
2663 		pi->thermal_protection = true;
2664 	else
2665 		pi->thermal_protection = false;
2666 
2667 	pi->display_gap = true;
2668 
2669 	if (rdev->flags & RADEON_IS_MOBILITY)
2670 		pi->dcodt = true;
2671 	else
2672 		pi->dcodt = false;
2673 
2674 	pi->ulps = true;
2675 
2676 	eg_pi->dynamic_ac_timing = true;
2677 	eg_pi->abm = true;
2678 	eg_pi->mcls = true;
2679 	eg_pi->light_sleep = true;
2680 	eg_pi->memory_transition = true;
2681 #if defined(CONFIG_ACPI)
2682 	eg_pi->pcie_performance_request =
2683 		radeon_acpi_is_pcie_performance_request_supported(rdev);
2684 #else
2685 	eg_pi->pcie_performance_request = false;
2686 #endif
2687 
2688 	if (rdev->family == CHIP_BARTS)
2689 		eg_pi->dll_default_on = true;
2690 	else
2691 		eg_pi->dll_default_on = false;
2692 
2693 	eg_pi->sclk_deep_sleep = false;
2694 	if (ASIC_IS_LOMBOK(rdev))
2695 		pi->mclk_stutter_mode_threshold = 30000;
2696 	else
2697 		pi->mclk_stutter_mode_threshold = 0;
2698 
2699 	pi->sram_end = SMC_RAM_END;
2700 
2701 	rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 4;
2702 	rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
2703 	rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2 = 900;
2704 	rdev->pm.dpm.dyn_state.valid_sclk_values.count = ARRAY_SIZE(btc_valid_sclk);
2705 	rdev->pm.dpm.dyn_state.valid_sclk_values.values = btc_valid_sclk;
2706 	rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
2707 	rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
2708 
2709 	if (rdev->family == CHIP_TURKS)
2710 		rdev->pm.dpm.dyn_state.sclk_mclk_delta = 15000;
2711 	else
2712 		rdev->pm.dpm.dyn_state.sclk_mclk_delta = 10000;
2713 
2714 	/* make sure dc limits are valid */
2715 	if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
2716 	    (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
2717 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
2718 			rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2719 
2720 	return 0;
2721 }
2722 
2723 void btc_dpm_fini(struct radeon_device *rdev)
2724 {
2725 	int i;
2726 
2727 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
2728 		kfree(rdev->pm.dpm.ps[i].ps_priv);
2729 	}
2730 	kfree(rdev->pm.dpm.ps);
2731 	kfree(rdev->pm.dpm.priv);
2732 	kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
2733 	r600_free_extended_power_table(rdev);
2734 }
2735 
2736 void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
2737 						     struct seq_file *m)
2738 {
2739 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2740 	struct radeon_ps *rps = &eg_pi->current_rps;
2741 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2742 	struct rv7xx_pl *pl;
2743 	u32 current_index =
2744 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
2745 		CURRENT_PROFILE_INDEX_SHIFT;
2746 
2747 	if (current_index > 2) {
2748 		seq_printf(m, "invalid dpm profile %d\n", current_index);
2749 	} else {
2750 		if (current_index == 0)
2751 			pl = &ps->low;
2752 		else if (current_index == 1)
2753 			pl = &ps->medium;
2754 		else /* current_index == 2 */
2755 			pl = &ps->high;
2756 		seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2757 		seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
2758 			   current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
2759 	}
2760 }
2761 
2762 u32 btc_dpm_get_current_sclk(struct radeon_device *rdev)
2763 {
2764 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2765 	struct radeon_ps *rps = &eg_pi->current_rps;
2766 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2767 	struct rv7xx_pl *pl;
2768 	u32 current_index =
2769 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
2770 		CURRENT_PROFILE_INDEX_SHIFT;
2771 
2772 	if (current_index > 2) {
2773 		return 0;
2774 	} else {
2775 		if (current_index == 0)
2776 			pl = &ps->low;
2777 		else if (current_index == 1)
2778 			pl = &ps->medium;
2779 		else /* current_index == 2 */
2780 			pl = &ps->high;
2781 		return pl->sclk;
2782 	}
2783 }
2784 
2785 u32 btc_dpm_get_current_mclk(struct radeon_device *rdev)
2786 {
2787 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2788 	struct radeon_ps *rps = &eg_pi->current_rps;
2789 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2790 	struct rv7xx_pl *pl;
2791 	u32 current_index =
2792 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
2793 		CURRENT_PROFILE_INDEX_SHIFT;
2794 
2795 	if (current_index > 2) {
2796 		return 0;
2797 	} else {
2798 		if (current_index == 0)
2799 			pl = &ps->low;
2800 		else if (current_index == 1)
2801 			pl = &ps->medium;
2802 		else /* current_index == 2 */
2803 			pl = &ps->high;
2804 		return pl->mclk;
2805 	}
2806 }
2807 
2808 u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low)
2809 {
2810 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2811 	struct rv7xx_ps *requested_state = rv770_get_ps(&eg_pi->requested_rps);
2812 
2813 	if (low)
2814 		return requested_state->low.sclk;
2815 	else
2816 		return requested_state->high.sclk;
2817 }
2818 
2819 u32 btc_dpm_get_mclk(struct radeon_device *rdev, bool low)
2820 {
2821 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2822 	struct rv7xx_ps *requested_state = rv770_get_ps(&eg_pi->requested_rps);
2823 
2824 	if (low)
2825 		return requested_state->low.mclk;
2826 	else
2827 		return requested_state->high.mclk;
2828 }
2829