813db8de52b7820a67a7b0b4bffa537bb474784b
[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / gpu / drm / radeon / r600_dpm.c
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 "drmP.h"
26 #include "radeon.h"
27 #include "r600d.h"
28 #include "r600_dpm.h"
29 #include "atom.h"
30
31 const u32 r600_utc[R600_PM_NUMBER_OF_TC] =
32 {
33         R600_UTC_DFLT_00,
34         R600_UTC_DFLT_01,
35         R600_UTC_DFLT_02,
36         R600_UTC_DFLT_03,
37         R600_UTC_DFLT_04,
38         R600_UTC_DFLT_05,
39         R600_UTC_DFLT_06,
40         R600_UTC_DFLT_07,
41         R600_UTC_DFLT_08,
42         R600_UTC_DFLT_09,
43         R600_UTC_DFLT_10,
44         R600_UTC_DFLT_11,
45         R600_UTC_DFLT_12,
46         R600_UTC_DFLT_13,
47         R600_UTC_DFLT_14,
48 };
49
50 const u32 r600_dtc[R600_PM_NUMBER_OF_TC] =
51 {
52         R600_DTC_DFLT_00,
53         R600_DTC_DFLT_01,
54         R600_DTC_DFLT_02,
55         R600_DTC_DFLT_03,
56         R600_DTC_DFLT_04,
57         R600_DTC_DFLT_05,
58         R600_DTC_DFLT_06,
59         R600_DTC_DFLT_07,
60         R600_DTC_DFLT_08,
61         R600_DTC_DFLT_09,
62         R600_DTC_DFLT_10,
63         R600_DTC_DFLT_11,
64         R600_DTC_DFLT_12,
65         R600_DTC_DFLT_13,
66         R600_DTC_DFLT_14,
67 };
68
69 void r600_dpm_print_class_info(u32 class, u32 class2)
70 {
71         printk("\tui class: ");
72         switch (class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
73         case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
74         default:
75                 printk("none\n");
76                 break;
77         case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
78                 printk("battery\n");
79                 break;
80         case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
81                 printk("balanced\n");
82                 break;
83         case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
84                 printk("performance\n");
85                 break;
86         }
87         printk("\tinternal class: ");
88         if (((class & ~ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 0) &&
89             (class2 == 0))
90                 printk("none");
91         else {
92                 if (class & ATOM_PPLIB_CLASSIFICATION_BOOT)
93                         printk("boot ");
94                 if (class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
95                         printk("thermal ");
96                 if (class & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
97                         printk("limited_pwr ");
98                 if (class & ATOM_PPLIB_CLASSIFICATION_REST)
99                         printk("rest ");
100                 if (class & ATOM_PPLIB_CLASSIFICATION_FORCED)
101                         printk("forced ");
102                 if (class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
103                         printk("3d_perf ");
104                 if (class & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE)
105                         printk("ovrdrv ");
106                 if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
107                         printk("uvd ");
108                 if (class & ATOM_PPLIB_CLASSIFICATION_3DLOW)
109                         printk("3d_low ");
110                 if (class & ATOM_PPLIB_CLASSIFICATION_ACPI)
111                         printk("acpi ");
112                 if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
113                         printk("uvd_hd2 ");
114                 if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
115                         printk("uvd_hd ");
116                 if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
117                         printk("uvd_sd ");
118                 if (class2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
119                         printk("limited_pwr2 ");
120                 if (class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
121                         printk("ulv ");
122                 if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
123                         printk("uvd_mvc ");
124         }
125         printk("\n");
126 }
127
128 void r600_dpm_print_cap_info(u32 caps)
129 {
130         printk("\tcaps: ");
131         if (caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
132                 printk("single_disp ");
133         if (caps & ATOM_PPLIB_SUPPORTS_VIDEO_PLAYBACK)
134                 printk("video ");
135         if (caps & ATOM_PPLIB_DISALLOW_ON_DC)
136                 printk("no_dc ");
137         printk("\n");
138 }
139
140 void r600_dpm_print_ps_status(struct radeon_device *rdev,
141                               struct radeon_ps *rps)
142 {
143         printk("\tstatus: ");
144         if (rps == rdev->pm.dpm.current_ps)
145                 printk("c ");
146         if (rps == rdev->pm.dpm.requested_ps)
147                 printk("r ");
148         if (rps == rdev->pm.dpm.boot_ps)
149                 printk("b ");
150         printk("\n");
151 }
152
153 u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
154 {
155         struct drm_device *dev = rdev->ddev;
156         struct drm_crtc *crtc;
157         struct radeon_crtc *radeon_crtc;
158         u32 line_time_us, vblank_lines;
159         u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
160
161         if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
162                 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
163                         radeon_crtc = to_radeon_crtc(crtc);
164                         if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
165                                 line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
166                                         radeon_crtc->hw_mode.clock;
167                                 vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
168                                         radeon_crtc->hw_mode.crtc_vdisplay +
169                                         (radeon_crtc->v_border * 2);
170                                 vblank_time_us = vblank_lines * line_time_us;
171                                 break;
172                         }
173                 }
174         }
175
176         return vblank_time_us;
177 }
178
179 u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
180 {
181         struct drm_device *dev = rdev->ddev;
182         struct drm_crtc *crtc;
183         struct radeon_crtc *radeon_crtc;
184         u32 vrefresh = 0;
185
186         if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
187                 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
188                         radeon_crtc = to_radeon_crtc(crtc);
189                         if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
190                                 vrefresh = radeon_crtc->hw_mode.vrefresh;
191                                 break;
192                         }
193                 }
194         }
195         return vrefresh;
196 }
197
198 void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
199                             u32 *p, u32 *u)
200 {
201         u32 b_c = 0;
202         u32 i_c;
203         u32 tmp;
204
205         i_c = (i * r_c) / 100;
206         tmp = i_c >> p_b;
207
208         while (tmp) {
209                 b_c++;
210                 tmp >>= 1;
211         }
212
213         *u = (b_c + 1) / 2;
214         *p = i_c / (1 << (2 * (*u)));
215 }
216
217 int r600_calculate_at(u32 t, u32 h, u32 fh, u32 fl, u32 *tl, u32 *th)
218 {
219         u32 k, a, ah, al;
220         u32 t1;
221
222         if ((fl == 0) || (fh == 0) || (fl > fh))
223                 return -EINVAL;
224
225         k = (100 * fh) / fl;
226         t1 = (t * (k - 100));
227         a = (1000 * (100 * h + t1)) / (10000 + (t1 / 100));
228         a = (a + 5) / 10;
229         ah = ((a * t) + 5000) / 10000;
230         al = a - ah;
231
232         *th = t - ah;
233         *tl = t + al;
234
235         return 0;
236 }
237
238 void r600_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
239 {
240         int i;
241
242         if (enable) {
243                 WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
244         } else {
245                 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
246
247                 WREG32(CG_RLC_REQ_AND_RSP, 0x2);
248
249                 for (i = 0; i < rdev->usec_timeout; i++) {
250                         if (((RREG32(CG_RLC_REQ_AND_RSP) & CG_RLC_RSP_TYPE_MASK) >> CG_RLC_RSP_TYPE_SHIFT) == 1)
251                                 break;
252                         udelay(1);
253                 }
254
255                 WREG32(CG_RLC_REQ_AND_RSP, 0x0);
256
257                 WREG32(GRBM_PWR_CNTL, 0x1);
258                 RREG32(GRBM_PWR_CNTL);
259         }
260 }
261
262 void r600_dynamicpm_enable(struct radeon_device *rdev, bool enable)
263 {
264         if (enable)
265                 WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
266         else
267                 WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
268 }
269
270 void r600_enable_thermal_protection(struct radeon_device *rdev, bool enable)
271 {
272         if (enable)
273                 WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
274         else
275                 WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
276 }
277
278 void r600_enable_acpi_pm(struct radeon_device *rdev)
279 {
280         WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
281 }
282
283 void r600_enable_dynamic_pcie_gen2(struct radeon_device *rdev, bool enable)
284 {
285         if (enable)
286                 WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
287         else
288                 WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
289 }
290
291 bool r600_dynamicpm_enabled(struct radeon_device *rdev)
292 {
293         if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
294                 return true;
295         else
296                 return false;
297 }
298
299 void r600_enable_sclk_control(struct radeon_device *rdev, bool enable)
300 {
301         if (enable)
302                 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF);
303         else
304                 WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF);
305 }
306
307 void r600_enable_mclk_control(struct radeon_device *rdev, bool enable)
308 {
309         if (enable)
310                 WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF);
311         else
312                 WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF);
313 }
314
315 void r600_enable_spll_bypass(struct radeon_device *rdev, bool enable)
316 {
317         if (enable)
318                 WREG32_P(CG_SPLL_FUNC_CNTL, SPLL_BYPASS_EN, ~SPLL_BYPASS_EN);
319         else
320                 WREG32_P(CG_SPLL_FUNC_CNTL, 0, ~SPLL_BYPASS_EN);
321 }
322
323 void r600_wait_for_spll_change(struct radeon_device *rdev)
324 {
325         int i;
326
327         for (i = 0; i < rdev->usec_timeout; i++) {
328                 if (RREG32(CG_SPLL_FUNC_CNTL) & SPLL_CHG_STATUS)
329                         break;
330                 udelay(1);
331         }
332 }
333
334 void r600_set_bsp(struct radeon_device *rdev, u32 u, u32 p)
335 {
336         WREG32(CG_BSP, BSP(p) | BSU(u));
337 }
338
339 void r600_set_at(struct radeon_device *rdev,
340                  u32 l_to_m, u32 m_to_h,
341                  u32 h_to_m, u32 m_to_l)
342 {
343         WREG32(CG_RT, FLS(l_to_m) | FMS(m_to_h));
344         WREG32(CG_LT, FHS(h_to_m) | FMS(m_to_l));
345 }
346
347 void r600_set_tc(struct radeon_device *rdev,
348                  u32 index, u32 u_t, u32 d_t)
349 {
350         WREG32(CG_FFCT_0 + (index * 4), UTC_0(u_t) | DTC_0(d_t));
351 }
352
353 void r600_select_td(struct radeon_device *rdev,
354                     enum r600_td td)
355 {
356         if (td == R600_TD_AUTO)
357                 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
358         else
359                 WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
360         if (td == R600_TD_UP)
361                 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
362         if (td == R600_TD_DOWN)
363                 WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
364 }
365
366 void r600_set_vrc(struct radeon_device *rdev, u32 vrv)
367 {
368         WREG32(CG_FTV, vrv);
369 }
370
371 void r600_set_tpu(struct radeon_device *rdev, u32 u)
372 {
373         WREG32_P(CG_TPC, TPU(u), ~TPU_MASK);
374 }
375
376 void r600_set_tpc(struct radeon_device *rdev, u32 c)
377 {
378         WREG32_P(CG_TPC, TPCC(c), ~TPCC_MASK);
379 }
380
381 void r600_set_sstu(struct radeon_device *rdev, u32 u)
382 {
383         WREG32_P(CG_SSP, CG_SSTU(u), ~CG_SSTU_MASK);
384 }
385
386 void r600_set_sst(struct radeon_device *rdev, u32 t)
387 {
388         WREG32_P(CG_SSP, CG_SST(t), ~CG_SST_MASK);
389 }
390
391 void r600_set_git(struct radeon_device *rdev, u32 t)
392 {
393         WREG32_P(CG_GIT, CG_GICST(t), ~CG_GICST_MASK);
394 }
395
396 void r600_set_fctu(struct radeon_device *rdev, u32 u)
397 {
398         WREG32_P(CG_FC_T, FC_TU(u), ~FC_TU_MASK);
399 }
400
401 void r600_set_fct(struct radeon_device *rdev, u32 t)
402 {
403         WREG32_P(CG_FC_T, FC_T(t), ~FC_T_MASK);
404 }
405
406 void r600_set_ctxcgtt3d_rphc(struct radeon_device *rdev, u32 p)
407 {
408         WREG32_P(CG_CTX_CGTT3D_R, PHC(p), ~PHC_MASK);
409 }
410
411 void r600_set_ctxcgtt3d_rsdc(struct radeon_device *rdev, u32 s)
412 {
413         WREG32_P(CG_CTX_CGTT3D_R, SDC(s), ~SDC_MASK);
414 }
415
416 void r600_set_vddc3d_oorsu(struct radeon_device *rdev, u32 u)
417 {
418         WREG32_P(CG_VDDC3D_OOR, SU(u), ~SU_MASK);
419 }
420
421 void r600_set_vddc3d_oorphc(struct radeon_device *rdev, u32 p)
422 {
423         WREG32_P(CG_VDDC3D_OOR, PHC(p), ~PHC_MASK);
424 }
425
426 void r600_set_vddc3d_oorsdc(struct radeon_device *rdev, u32 s)
427 {
428         WREG32_P(CG_VDDC3D_OOR, SDC(s), ~SDC_MASK);
429 }
430
431 void r600_set_mpll_lock_time(struct radeon_device *rdev, u32 lock_time)
432 {
433         WREG32_P(MPLL_TIME, MPLL_LOCK_TIME(lock_time), ~MPLL_LOCK_TIME_MASK);
434 }
435
436 void r600_set_mpll_reset_time(struct radeon_device *rdev, u32 reset_time)
437 {
438         WREG32_P(MPLL_TIME, MPLL_RESET_TIME(reset_time), ~MPLL_RESET_TIME_MASK);
439 }
440
441 void r600_engine_clock_entry_enable(struct radeon_device *rdev,
442                                     u32 index, bool enable)
443 {
444         if (enable)
445                 WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
446                          STEP_0_SPLL_ENTRY_VALID, ~STEP_0_SPLL_ENTRY_VALID);
447         else
448                 WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
449                          0, ~STEP_0_SPLL_ENTRY_VALID);
450 }
451
452 void r600_engine_clock_entry_enable_pulse_skipping(struct radeon_device *rdev,
453                                                    u32 index, bool enable)
454 {
455         if (enable)
456                 WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
457                          STEP_0_SPLL_STEP_ENABLE, ~STEP_0_SPLL_STEP_ENABLE);
458         else
459                 WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
460                          0, ~STEP_0_SPLL_STEP_ENABLE);
461 }
462
463 void r600_engine_clock_entry_enable_post_divider(struct radeon_device *rdev,
464                                                  u32 index, bool enable)
465 {
466         if (enable)
467                 WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
468                          STEP_0_POST_DIV_EN, ~STEP_0_POST_DIV_EN);
469         else
470                 WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
471                          0, ~STEP_0_POST_DIV_EN);
472 }
473
474 void r600_engine_clock_entry_set_post_divider(struct radeon_device *rdev,
475                                               u32 index, u32 divider)
476 {
477         WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
478                  STEP_0_SPLL_POST_DIV(divider), ~STEP_0_SPLL_POST_DIV_MASK);
479 }
480
481 void r600_engine_clock_entry_set_reference_divider(struct radeon_device *rdev,
482                                                    u32 index, u32 divider)
483 {
484         WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
485                  STEP_0_SPLL_REF_DIV(divider), ~STEP_0_SPLL_REF_DIV_MASK);
486 }
487
488 void r600_engine_clock_entry_set_feedback_divider(struct radeon_device *rdev,
489                                                   u32 index, u32 divider)
490 {
491         WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
492                  STEP_0_SPLL_FB_DIV(divider), ~STEP_0_SPLL_FB_DIV_MASK);
493 }
494
495 void r600_engine_clock_entry_set_step_time(struct radeon_device *rdev,
496                                            u32 index, u32 step_time)
497 {
498         WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
499                  STEP_0_SPLL_STEP_TIME(step_time), ~STEP_0_SPLL_STEP_TIME_MASK);
500 }
501
502 void r600_vid_rt_set_ssu(struct radeon_device *rdev, u32 u)
503 {
504         WREG32_P(VID_RT, SSTU(u), ~SSTU_MASK);
505 }
506
507 void r600_vid_rt_set_vru(struct radeon_device *rdev, u32 u)
508 {
509         WREG32_P(VID_RT, VID_CRTU(u), ~VID_CRTU_MASK);
510 }
511
512 void r600_vid_rt_set_vrt(struct radeon_device *rdev, u32 rt)
513 {
514         WREG32_P(VID_RT, VID_CRT(rt), ~VID_CRT_MASK);
515 }
516
517 void r600_voltage_control_enable_pins(struct radeon_device *rdev,
518                                       u64 mask)
519 {
520         WREG32(LOWER_GPIO_ENABLE, mask & 0xffffffff);
521         WREG32(UPPER_GPIO_ENABLE, upper_32_bits(mask));
522 }
523
524
525 void r600_voltage_control_program_voltages(struct radeon_device *rdev,
526                                            enum r600_power_level index, u64 pins)
527 {
528         u32 tmp, mask;
529         u32 ix = 3 - (3 & index);
530
531         WREG32(CTXSW_VID_LOWER_GPIO_CNTL + (ix * 4), pins & 0xffffffff);
532
533         mask = 7 << (3 * ix);
534         tmp = RREG32(VID_UPPER_GPIO_CNTL);
535         tmp = (tmp & ~mask) | ((pins >> (32 - (3 * ix))) & mask);
536         WREG32(VID_UPPER_GPIO_CNTL, tmp);
537 }
538
539 void r600_voltage_control_deactivate_static_control(struct radeon_device *rdev,
540                                                     u64 mask)
541 {
542         u32 gpio;
543
544         gpio = RREG32(GPIOPAD_MASK);
545         gpio &= ~mask;
546         WREG32(GPIOPAD_MASK, gpio);
547
548         gpio = RREG32(GPIOPAD_EN);
549         gpio &= ~mask;
550         WREG32(GPIOPAD_EN, gpio);
551
552         gpio = RREG32(GPIOPAD_A);
553         gpio &= ~mask;
554         WREG32(GPIOPAD_A, gpio);
555 }
556
557 void r600_power_level_enable(struct radeon_device *rdev,
558                              enum r600_power_level index, bool enable)
559 {
560         u32 ix = 3 - (3 & index);
561
562         if (enable)
563                 WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), CTXSW_FREQ_STATE_ENABLE,
564                          ~CTXSW_FREQ_STATE_ENABLE);
565         else
566                 WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), 0,
567                          ~CTXSW_FREQ_STATE_ENABLE);
568 }
569
570 void r600_power_level_set_voltage_index(struct radeon_device *rdev,
571                                         enum r600_power_level index, u32 voltage_index)
572 {
573         u32 ix = 3 - (3 & index);
574
575         WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
576                  CTXSW_FREQ_VIDS_CFG_INDEX(voltage_index), ~CTXSW_FREQ_VIDS_CFG_INDEX_MASK);
577 }
578
579 void r600_power_level_set_mem_clock_index(struct radeon_device *rdev,
580                                           enum r600_power_level index, u32 mem_clock_index)
581 {
582         u32 ix = 3 - (3 & index);
583
584         WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
585                  CTXSW_FREQ_MCLK_CFG_INDEX(mem_clock_index), ~CTXSW_FREQ_MCLK_CFG_INDEX_MASK);
586 }
587
588 void r600_power_level_set_eng_clock_index(struct radeon_device *rdev,
589                                           enum r600_power_level index, u32 eng_clock_index)
590 {
591         u32 ix = 3 - (3 & index);
592
593         WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
594                  CTXSW_FREQ_SCLK_CFG_INDEX(eng_clock_index), ~CTXSW_FREQ_SCLK_CFG_INDEX_MASK);
595 }
596
597 void r600_power_level_set_watermark_id(struct radeon_device *rdev,
598                                        enum r600_power_level index,
599                                        enum r600_display_watermark watermark_id)
600 {
601         u32 ix = 3 - (3 & index);
602         u32 tmp = 0;
603
604         if (watermark_id == R600_DISPLAY_WATERMARK_HIGH)
605                 tmp = CTXSW_FREQ_DISPLAY_WATERMARK;
606         WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_DISPLAY_WATERMARK);
607 }
608
609 void r600_power_level_set_pcie_gen2(struct radeon_device *rdev,
610                                     enum r600_power_level index, bool compatible)
611 {
612         u32 ix = 3 - (3 & index);
613         u32 tmp = 0;
614
615         if (compatible)
616                 tmp = CTXSW_FREQ_GEN2PCIE_VOLT;
617         WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_GEN2PCIE_VOLT);
618 }
619
620 enum r600_power_level r600_power_level_get_current_index(struct radeon_device *rdev)
621 {
622         u32 tmp;
623
624         tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK;
625         tmp >>= CURRENT_PROFILE_INDEX_SHIFT;
626         return tmp;
627 }
628
629 enum r600_power_level r600_power_level_get_target_index(struct radeon_device *rdev)
630 {
631         u32 tmp;
632
633         tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_PROFILE_INDEX_MASK;
634         tmp >>= TARGET_PROFILE_INDEX_SHIFT;
635         return tmp;
636 }
637
638 void r600_power_level_set_enter_index(struct radeon_device *rdev,
639                                       enum r600_power_level index)
640 {
641         WREG32_P(TARGET_AND_CURRENT_PROFILE_INDEX, DYN_PWR_ENTER_INDEX(index),
642                  ~DYN_PWR_ENTER_INDEX_MASK);
643 }
644
645 void r600_wait_for_power_level_unequal(struct radeon_device *rdev,
646                                        enum r600_power_level index)
647 {
648         int i;
649
650         for (i = 0; i < rdev->usec_timeout; i++) {
651                 if (r600_power_level_get_target_index(rdev) != index)
652                         break;
653                 udelay(1);
654         }
655
656         for (i = 0; i < rdev->usec_timeout; i++) {
657                 if (r600_power_level_get_current_index(rdev) != index)
658                         break;
659                 udelay(1);
660         }
661 }
662
663 void r600_wait_for_power_level(struct radeon_device *rdev,
664                                enum r600_power_level index)
665 {
666         int i;
667
668         for (i = 0; i < rdev->usec_timeout; i++) {
669                 if (r600_power_level_get_target_index(rdev) == index)
670                         break;
671                 udelay(1);
672         }
673
674         for (i = 0; i < rdev->usec_timeout; i++) {
675                 if (r600_power_level_get_current_index(rdev) == index)
676                         break;
677                 udelay(1);
678         }
679 }
680
681 void r600_start_dpm(struct radeon_device *rdev)
682 {
683         r600_enable_sclk_control(rdev, false);
684         r600_enable_mclk_control(rdev, false);
685
686         r600_dynamicpm_enable(rdev, true);
687
688         radeon_wait_for_vblank(rdev, 0);
689         radeon_wait_for_vblank(rdev, 1);
690
691         r600_enable_spll_bypass(rdev, true);
692         r600_wait_for_spll_change(rdev);
693         r600_enable_spll_bypass(rdev, false);
694         r600_wait_for_spll_change(rdev);
695
696         r600_enable_spll_bypass(rdev, true);
697         r600_wait_for_spll_change(rdev);
698         r600_enable_spll_bypass(rdev, false);
699         r600_wait_for_spll_change(rdev);
700
701         r600_enable_sclk_control(rdev, true);
702         r600_enable_mclk_control(rdev, true);
703 }
704
705 void r600_stop_dpm(struct radeon_device *rdev)
706 {
707         r600_dynamicpm_enable(rdev, false);
708 }
709
710 int r600_dpm_pre_set_power_state(struct radeon_device *rdev)
711 {
712         return 0;
713 }
714
715 void r600_dpm_post_set_power_state(struct radeon_device *rdev)
716 {
717
718 }
719
720 bool r600_is_uvd_state(u32 class, u32 class2)
721 {
722         if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
723                 return true;
724         if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
725                 return true;
726         if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
727                 return true;
728         if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
729                 return true;
730         if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
731                 return true;
732         return false;
733 }
734
735 static int r600_set_thermal_temperature_range(struct radeon_device *rdev,
736                                               int min_temp, int max_temp)
737 {
738         int low_temp = 0 * 1000;
739         int high_temp = 255 * 1000;
740
741         if (low_temp < min_temp)
742                 low_temp = min_temp;
743         if (high_temp > max_temp)
744                 high_temp = max_temp;
745         if (high_temp < low_temp) {
746                 DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
747                 return -EINVAL;
748         }
749
750         WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(high_temp / 1000), ~DIG_THERM_INTH_MASK);
751         WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(low_temp / 1000), ~DIG_THERM_INTL_MASK);
752         WREG32_P(CG_THERMAL_CTRL, DIG_THERM_DPM(high_temp / 1000), ~DIG_THERM_DPM_MASK);
753
754         rdev->pm.dpm.thermal.min_temp = low_temp;
755         rdev->pm.dpm.thermal.max_temp = high_temp;
756
757         return 0;
758 }
759
760 bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
761 {
762         switch (sensor) {
763         case THERMAL_TYPE_RV6XX:
764         case THERMAL_TYPE_RV770:
765         case THERMAL_TYPE_EVERGREEN:
766         case THERMAL_TYPE_SUMO:
767         case THERMAL_TYPE_NI:
768         case THERMAL_TYPE_SI:
769         case THERMAL_TYPE_CI:
770         case THERMAL_TYPE_KV:
771                 return true;
772         case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
773         case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
774                 return false; /* need special handling */
775         case THERMAL_TYPE_NONE:
776         case THERMAL_TYPE_EXTERNAL:
777         case THERMAL_TYPE_EXTERNAL_GPIO:
778         default:
779                 return false;
780         }
781 }
782
783 int r600_dpm_late_enable(struct radeon_device *rdev)
784 {
785         int ret;
786
787         if (rdev->irq.installed &&
788             r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
789                 ret = r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
790                 if (ret)
791                         return ret;
792                 rdev->irq.dpm_thermal = true;
793                 radeon_irq_set(rdev);
794         }
795
796         return 0;
797 }
798
799 union power_info {
800         struct _ATOM_POWERPLAY_INFO info;
801         struct _ATOM_POWERPLAY_INFO_V2 info_2;
802         struct _ATOM_POWERPLAY_INFO_V3 info_3;
803         struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
804         struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
805         struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
806         struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
807         struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
808 };
809
810 union fan_info {
811         struct _ATOM_PPLIB_FANTABLE fan;
812         struct _ATOM_PPLIB_FANTABLE2 fan2;
813 };
814
815 static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependency_table *radeon_table,
816                                             ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table)
817 {
818         u32 size = atom_table->ucNumEntries *
819                 sizeof(struct radeon_clock_voltage_dependency_entry);
820         int i;
821         ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry;
822
823         radeon_table->entries = kzalloc(size, GFP_KERNEL);
824         if (!radeon_table->entries)
825                 return -ENOMEM;
826
827         entry = &atom_table->entries[0];
828         for (i = 0; i < atom_table->ucNumEntries; i++) {
829                 radeon_table->entries[i].clk = le16_to_cpu(entry->usClockLow) |
830                         (entry->ucClockHigh << 16);
831                 radeon_table->entries[i].v = le16_to_cpu(entry->usVoltage);
832                 entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *)
833                         ((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record));
834         }
835         radeon_table->count = atom_table->ucNumEntries;
836
837         return 0;
838 }
839
840 /* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
841 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
842 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
843 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16
844 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18
845 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20
846 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22
847
848 int r600_parse_extended_power_table(struct radeon_device *rdev)
849 {
850         struct radeon_mode_info *mode_info = &rdev->mode_info;
851         union power_info *power_info;
852         union fan_info *fan_info;
853         ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table;
854         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
855         u16 data_offset;
856         u8 frev, crev;
857         int ret, i;
858
859         if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
860                                    &frev, &crev, &data_offset))
861                 return -EINVAL;
862         power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
863
864         /* fan table */
865         if (le16_to_cpu(power_info->pplib.usTableSize) >=
866             sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
867                 if (power_info->pplib3.usFanTableOffset) {
868                         fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset +
869                                                       le16_to_cpu(power_info->pplib3.usFanTableOffset));
870                         rdev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst;
871                         rdev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin);
872                         rdev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed);
873                         rdev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh);
874                         rdev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin);
875                         rdev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed);
876                         rdev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh);
877                         if (fan_info->fan.ucFanTableFormat >= 2)
878                                 rdev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax);
879                         else
880                                 rdev->pm.dpm.fan.t_max = 10900;
881                         rdev->pm.dpm.fan.cycle_delay = 100000;
882                         rdev->pm.dpm.fan.ucode_fan_control = true;
883                 }
884         }
885
886         /* clock dependancy tables, shedding tables */
887         if (le16_to_cpu(power_info->pplib.usTableSize) >=
888             sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) {
889                 if (power_info->pplib4.usVddcDependencyOnSCLKOffset) {
890                         dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
891                                 (mode_info->atom_context->bios + data_offset +
892                                  le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset));
893                         ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
894                                                                dep_table);
895                         if (ret)
896                                 return ret;
897                 }
898                 if (power_info->pplib4.usVddciDependencyOnMCLKOffset) {
899                         dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
900                                 (mode_info->atom_context->bios + data_offset +
901                                  le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset));
902                         ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
903                                                                dep_table);
904                         if (ret) {
905                                 kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
906                                 return ret;
907                         }
908                 }
909                 if (power_info->pplib4.usVddcDependencyOnMCLKOffset) {
910                         dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
911                                 (mode_info->atom_context->bios + data_offset +
912                                  le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset));
913                         ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
914                                                                dep_table);
915                         if (ret) {
916                                 kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
917                                 kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
918                                 return ret;
919                         }
920                 }
921                 if (power_info->pplib4.usMvddDependencyOnMCLKOffset) {
922                         dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
923                                 (mode_info->atom_context->bios + data_offset +
924                                  le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset));
925                         ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
926                                                                dep_table);
927                         if (ret) {
928                                 kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
929                                 kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
930                                 kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
931                                 return ret;
932                         }
933                 }
934                 if (power_info->pplib4.usMaxClockVoltageOnDCOffset) {
935                         ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v =
936                                 (ATOM_PPLIB_Clock_Voltage_Limit_Table *)
937                                 (mode_info->atom_context->bios + data_offset +
938                                  le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset));
939                         if (clk_v->ucNumEntries) {
940                                 rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk =
941                                         le16_to_cpu(clk_v->entries[0].usSclkLow) |
942                                         (clk_v->entries[0].ucSclkHigh << 16);
943                                 rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk =
944                                         le16_to_cpu(clk_v->entries[0].usMclkLow) |
945                                         (clk_v->entries[0].ucMclkHigh << 16);
946                                 rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc =
947                                         le16_to_cpu(clk_v->entries[0].usVddc);
948                                 rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci =
949                                         le16_to_cpu(clk_v->entries[0].usVddci);
950                         }
951                 }
952                 if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) {
953                         ATOM_PPLIB_PhaseSheddingLimits_Table *psl =
954                                 (ATOM_PPLIB_PhaseSheddingLimits_Table *)
955                                 (mode_info->atom_context->bios + data_offset +
956                                  le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset));
957                         ATOM_PPLIB_PhaseSheddingLimits_Record *entry;
958
959                         rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries =
960                                 kzalloc(psl->ucNumEntries *
961                                         sizeof(struct radeon_phase_shedding_limits_entry),
962                                         GFP_KERNEL);
963                         if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
964                                 r600_free_extended_power_table(rdev);
965                                 return -ENOMEM;
966                         }
967
968                         entry = &psl->entries[0];
969                         for (i = 0; i < psl->ucNumEntries; i++) {
970                                 rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
971                                         le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16);
972                                 rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk =
973                                         le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16);
974                                 rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage =
975                                         le16_to_cpu(entry->usVoltage);
976                                 entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *)
977                                         ((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record));
978                         }
979                         rdev->pm.dpm.dyn_state.phase_shedding_limits_table.count =
980                                 psl->ucNumEntries;
981                 }
982         }
983
984         /* cac data */
985         if (le16_to_cpu(power_info->pplib.usTableSize) >=
986             sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) {
987                 rdev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit);
988                 rdev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit);
989                 rdev->pm.dpm.near_tdp_limit_adjusted = rdev->pm.dpm.near_tdp_limit;
990                 rdev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit);
991                 if (rdev->pm.dpm.tdp_od_limit)
992                         rdev->pm.dpm.power_control = true;
993                 else
994                         rdev->pm.dpm.power_control = false;
995                 rdev->pm.dpm.tdp_adjustment = 0;
996                 rdev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold);
997                 rdev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage);
998                 rdev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope);
999                 if (power_info->pplib5.usCACLeakageTableOffset) {
1000                         ATOM_PPLIB_CAC_Leakage_Table *cac_table =
1001                                 (ATOM_PPLIB_CAC_Leakage_Table *)
1002                                 (mode_info->atom_context->bios + data_offset +
1003                                  le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
1004                         ATOM_PPLIB_CAC_Leakage_Record *entry;
1005                         u32 size = cac_table->ucNumEntries * sizeof(struct radeon_cac_leakage_table);
1006                         rdev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL);
1007                         if (!rdev->pm.dpm.dyn_state.cac_leakage_table.entries) {
1008                                 r600_free_extended_power_table(rdev);
1009                                 return -ENOMEM;
1010                         }
1011                         entry = &cac_table->entries[0];
1012                         for (i = 0; i < cac_table->ucNumEntries; i++) {
1013                                 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
1014                                         rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 =
1015                                                 le16_to_cpu(entry->usVddc1);
1016                                         rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 =
1017                                                 le16_to_cpu(entry->usVddc2);
1018                                         rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 =
1019                                                 le16_to_cpu(entry->usVddc3);
1020                                 } else {
1021                                         rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
1022                                                 le16_to_cpu(entry->usVddc);
1023                                         rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
1024                                                 le32_to_cpu(entry->ulLeakageValue);
1025                                 }
1026                                 entry = (ATOM_PPLIB_CAC_Leakage_Record *)
1027                                         ((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record));
1028                         }
1029                         rdev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
1030                 }
1031         }
1032
1033         /* ext tables */
1034         if (le16_to_cpu(power_info->pplib.usTableSize) >=
1035             sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
1036                 ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
1037                         (mode_info->atom_context->bios + data_offset +
1038                          le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
1039                 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) &&
1040                         ext_hdr->usVCETableOffset) {
1041                         VCEClockInfoArray *array = (VCEClockInfoArray *)
1042                                 (mode_info->atom_context->bios + data_offset +
1043                                  le16_to_cpu(ext_hdr->usVCETableOffset) + 1);
1044                         ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits =
1045                                 (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)
1046                                 (mode_info->atom_context->bios + data_offset +
1047                                  le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1048                                  1 + array->ucNumEntries * sizeof(VCEClockInfo));
1049                         ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
1050                         u32 size = limits->numEntries *
1051                                 sizeof(struct radeon_vce_clock_voltage_dependency_entry);
1052                         rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
1053                                 kzalloc(size, GFP_KERNEL);
1054                         if (!rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) {
1055                                 r600_free_extended_power_table(rdev);
1056                                 return -ENOMEM;
1057                         }
1058                         rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
1059                                 limits->numEntries;
1060                         entry = &limits->entries[0];
1061                         for (i = 0; i < limits->numEntries; i++) {
1062                                 VCEClockInfo *vce_clk = (VCEClockInfo *)
1063                                         ((u8 *)&array->entries[0] +
1064                                          (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1065                                 rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
1066                                         le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1067                                 rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk =
1068                                         le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1069                                 rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v =
1070                                         le16_to_cpu(entry->usVoltage);
1071                                 entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
1072                                         ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
1073                         }
1074                 }
1075                 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
1076                         ext_hdr->usUVDTableOffset) {
1077                         UVDClockInfoArray *array = (UVDClockInfoArray *)
1078                                 (mode_info->atom_context->bios + data_offset +
1079                                  le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
1080                         ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
1081                                 (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
1082                                 (mode_info->atom_context->bios + data_offset +
1083                                  le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
1084                                  1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
1085                         ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry;
1086                         u32 size = limits->numEntries *
1087                                 sizeof(struct radeon_uvd_clock_voltage_dependency_entry);
1088                         rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
1089                                 kzalloc(size, GFP_KERNEL);
1090                         if (!rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
1091                                 r600_free_extended_power_table(rdev);
1092                                 return -ENOMEM;
1093                         }
1094                         rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
1095                                 limits->numEntries;
1096                         entry = &limits->entries[0];
1097                         for (i = 0; i < limits->numEntries; i++) {
1098                                 UVDClockInfo *uvd_clk = (UVDClockInfo *)
1099                                         ((u8 *)&array->entries[0] +
1100                                          (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo)));
1101                                 rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
1102                                         le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
1103                                 rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
1104                                         le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
1105                                 rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
1106                                         le16_to_cpu(entry->usVoltage);
1107                                 entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
1108                                         ((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
1109                         }
1110                 }
1111                 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) &&
1112                         ext_hdr->usSAMUTableOffset) {
1113                         ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits =
1114                                 (ATOM_PPLIB_SAMClk_Voltage_Limit_Table *)
1115                                 (mode_info->atom_context->bios + data_offset +
1116                                  le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1);
1117                         ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry;
1118                         u32 size = limits->numEntries *
1119                                 sizeof(struct radeon_clock_voltage_dependency_entry);
1120                         rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries =
1121                                 kzalloc(size, GFP_KERNEL);
1122                         if (!rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) {
1123                                 r600_free_extended_power_table(rdev);
1124                                 return -ENOMEM;
1125                         }
1126                         rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count =
1127                                 limits->numEntries;
1128                         entry = &limits->entries[0];
1129                         for (i = 0; i < limits->numEntries; i++) {
1130                                 rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
1131                                         le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16);
1132                                 rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
1133                                         le16_to_cpu(entry->usVoltage);
1134                                 entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *)
1135                                         ((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record));
1136                         }
1137                 }
1138                 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
1139                     ext_hdr->usPPMTableOffset) {
1140                         ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
1141                                 (mode_info->atom_context->bios + data_offset +
1142                                  le16_to_cpu(ext_hdr->usPPMTableOffset));
1143                         rdev->pm.dpm.dyn_state.ppm_table =
1144                                 kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
1145                         if (!rdev->pm.dpm.dyn_state.ppm_table) {
1146                                 r600_free_extended_power_table(rdev);
1147                                 return -ENOMEM;
1148                         }
1149                         rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
1150                         rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
1151                                 le16_to_cpu(ppm->usCpuCoreNumber);
1152                         rdev->pm.dpm.dyn_state.ppm_table->platform_tdp =
1153                                 le32_to_cpu(ppm->ulPlatformTDP);
1154                         rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp =
1155                                 le32_to_cpu(ppm->ulSmallACPlatformTDP);
1156                         rdev->pm.dpm.dyn_state.ppm_table->platform_tdc =
1157                                 le32_to_cpu(ppm->ulPlatformTDC);
1158                         rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc =
1159                                 le32_to_cpu(ppm->ulSmallACPlatformTDC);
1160                         rdev->pm.dpm.dyn_state.ppm_table->apu_tdp =
1161                                 le32_to_cpu(ppm->ulApuTDP);
1162                         rdev->pm.dpm.dyn_state.ppm_table->dgpu_tdp =
1163                                 le32_to_cpu(ppm->ulDGpuTDP);
1164                         rdev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power =
1165                                 le32_to_cpu(ppm->ulDGpuUlvPower);
1166                         rdev->pm.dpm.dyn_state.ppm_table->tj_max =
1167                                 le32_to_cpu(ppm->ulTjmax);
1168                 }
1169                 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) &&
1170                         ext_hdr->usACPTableOffset) {
1171                         ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits =
1172                                 (ATOM_PPLIB_ACPClk_Voltage_Limit_Table *)
1173                                 (mode_info->atom_context->bios + data_offset +
1174                                  le16_to_cpu(ext_hdr->usACPTableOffset) + 1);
1175                         ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry;
1176                         u32 size = limits->numEntries *
1177                                 sizeof(struct radeon_clock_voltage_dependency_entry);
1178                         rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries =
1179                                 kzalloc(size, GFP_KERNEL);
1180                         if (!rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) {
1181                                 r600_free_extended_power_table(rdev);
1182                                 return -ENOMEM;
1183                         }
1184                         rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count =
1185                                 limits->numEntries;
1186                         entry = &limits->entries[0];
1187                         for (i = 0; i < limits->numEntries; i++) {
1188                                 rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk =
1189                                         le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16);
1190                                 rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v =
1191                                         le16_to_cpu(entry->usVoltage);
1192                                 entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *)
1193                                         ((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record));
1194                         }
1195                 }
1196                 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) &&
1197                         ext_hdr->usPowerTuneTableOffset) {
1198                         u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset +
1199                                          le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1200                         ATOM_PowerTune_Table *pt;
1201                         rdev->pm.dpm.dyn_state.cac_tdp_table =
1202                                 kzalloc(sizeof(struct radeon_cac_tdp_table), GFP_KERNEL);
1203                         if (!rdev->pm.dpm.dyn_state.cac_tdp_table) {
1204                                 r600_free_extended_power_table(rdev);
1205                                 return -ENOMEM;
1206                         }
1207                         if (rev > 0) {
1208                                 ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *)
1209                                         (mode_info->atom_context->bios + data_offset +
1210                                          le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1211                                 rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
1212                                         ppt->usMaximumPowerDeliveryLimit;
1213                                 pt = &ppt->power_tune_table;
1214                         } else {
1215                                 ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
1216                                         (mode_info->atom_context->bios + data_offset +
1217                                          le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1218                                 rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255;
1219                                 pt = &ppt->power_tune_table;
1220                         }
1221                         rdev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP);
1222                         rdev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp =
1223                                 le16_to_cpu(pt->usConfigurableTDP);
1224                         rdev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC);
1225                         rdev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit =
1226                                 le16_to_cpu(pt->usBatteryPowerLimit);
1227                         rdev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit =
1228                                 le16_to_cpu(pt->usSmallPowerLimit);
1229                         rdev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage =
1230                                 le16_to_cpu(pt->usLowCACLeakage);
1231                         rdev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage =
1232                                 le16_to_cpu(pt->usHighCACLeakage);
1233                 }
1234         }
1235
1236         return 0;
1237 }
1238
1239 void r600_free_extended_power_table(struct radeon_device *rdev)
1240 {
1241         struct radeon_dpm_dynamic_state *dyn_state = &rdev->pm.dpm.dyn_state;
1242
1243         kfree(dyn_state->vddc_dependency_on_sclk.entries);
1244         kfree(dyn_state->vddci_dependency_on_mclk.entries);
1245         kfree(dyn_state->vddc_dependency_on_mclk.entries);
1246         kfree(dyn_state->mvdd_dependency_on_mclk.entries);
1247         kfree(dyn_state->cac_leakage_table.entries);
1248         kfree(dyn_state->phase_shedding_limits_table.entries);
1249         kfree(dyn_state->ppm_table);
1250         kfree(dyn_state->cac_tdp_table);
1251         kfree(dyn_state->vce_clock_voltage_dependency_table.entries);
1252         kfree(dyn_state->uvd_clock_voltage_dependency_table.entries);
1253         kfree(dyn_state->samu_clock_voltage_dependency_table.entries);
1254         kfree(dyn_state->acp_clock_voltage_dependency_table.entries);
1255 }
1256
1257 enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
1258                                                u32 sys_mask,
1259                                                enum radeon_pcie_gen asic_gen,
1260                                                enum radeon_pcie_gen default_gen)
1261 {
1262         switch (asic_gen) {
1263         case RADEON_PCIE_GEN1:
1264                 return RADEON_PCIE_GEN1;
1265         case RADEON_PCIE_GEN2:
1266                 return RADEON_PCIE_GEN2;
1267         case RADEON_PCIE_GEN3:
1268                 return RADEON_PCIE_GEN3;
1269         default:
1270                 if ((sys_mask & DRM_PCIE_SPEED_80) && (default_gen == RADEON_PCIE_GEN3))
1271                         return RADEON_PCIE_GEN3;
1272                 else if ((sys_mask & DRM_PCIE_SPEED_50) && (default_gen == RADEON_PCIE_GEN2))
1273                         return RADEON_PCIE_GEN2;
1274                 else
1275                         return RADEON_PCIE_GEN1;
1276         }
1277         return RADEON_PCIE_GEN1;
1278 }
1279
1280 u16 r600_get_pcie_lane_support(struct radeon_device *rdev,
1281                                u16 asic_lanes,
1282                                u16 default_lanes)
1283 {
1284         switch (asic_lanes) {
1285         case 0:
1286         default:
1287                 return default_lanes;
1288         case 1:
1289                 return 1;
1290         case 2:
1291                 return 2;
1292         case 4:
1293                 return 4;
1294         case 8:
1295                 return 8;
1296         case 12:
1297                 return 12;
1298         case 16:
1299                 return 16;
1300         }
1301 }
1302
1303 u8 r600_encode_pci_lane_width(u32 lanes)
1304 {
1305         u8 encoded_lanes[] = { 0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6 };
1306
1307         if (lanes > 16)
1308                 return 0;
1309
1310         return encoded_lanes[lanes];
1311 }