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 "radeon.h"
26#include "radeon_asic.h"
27#include "r600d.h"
28#include "r600_dpm.h"
29#include "atom.h"
30
31const u32 r600_utc[R600_PM_NUMBER_OF_TC] = {
32	R600_UTC_DFLT_00,
33	R600_UTC_DFLT_01,
34	R600_UTC_DFLT_02,
35	R600_UTC_DFLT_03,
36	R600_UTC_DFLT_04,
37	R600_UTC_DFLT_05,
38	R600_UTC_DFLT_06,
39	R600_UTC_DFLT_07,
40	R600_UTC_DFLT_08,
41	R600_UTC_DFLT_09,
42	R600_UTC_DFLT_10,
43	R600_UTC_DFLT_11,
44	R600_UTC_DFLT_12,
45	R600_UTC_DFLT_13,
46	R600_UTC_DFLT_14,
47};
48
49const u32 r600_dtc[R600_PM_NUMBER_OF_TC] = {
50	R600_DTC_DFLT_00,
51	R600_DTC_DFLT_01,
52	R600_DTC_DFLT_02,
53	R600_DTC_DFLT_03,
54	R600_DTC_DFLT_04,
55	R600_DTC_DFLT_05,
56	R600_DTC_DFLT_06,
57	R600_DTC_DFLT_07,
58	R600_DTC_DFLT_08,
59	R600_DTC_DFLT_09,
60	R600_DTC_DFLT_10,
61	R600_DTC_DFLT_11,
62	R600_DTC_DFLT_12,
63	R600_DTC_DFLT_13,
64	R600_DTC_DFLT_14,
65};
66
67void r600_dpm_print_class_info(u32 class, u32 class2)
68{
69	const char *s;
70
71	switch (class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
72	case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
73	default:
74		s = "none";
75		break;
76	case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
77		s = "battery";
78		break;
79	case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
80		s = "balanced";
81		break;
82	case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
83		s = "performance";
84		break;
85	}
86	printk("\tui class: %s\n", s);
87
88	printk("\tinternal class:");
89	if (((class & ~ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 0) &&
90	    (class2 == 0))
91		pr_cont(" none");
92	else {
93		if (class & ATOM_PPLIB_CLASSIFICATION_BOOT)
94			pr_cont(" boot");
95		if (class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
96			pr_cont(" thermal");
97		if (class & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
98			pr_cont(" limited_pwr");
99		if (class & ATOM_PPLIB_CLASSIFICATION_REST)
100			pr_cont(" rest");
101		if (class & ATOM_PPLIB_CLASSIFICATION_FORCED)
102			pr_cont(" forced");
103		if (class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
104			pr_cont(" 3d_perf");
105		if (class & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE)
106			pr_cont(" ovrdrv");
107		if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
108			pr_cont(" uvd");
109		if (class & ATOM_PPLIB_CLASSIFICATION_3DLOW)
110			pr_cont(" 3d_low");
111		if (class & ATOM_PPLIB_CLASSIFICATION_ACPI)
112			pr_cont(" acpi");
113		if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
114			pr_cont(" uvd_hd2");
115		if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
116			pr_cont(" uvd_hd");
117		if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
118			pr_cont(" uvd_sd");
119		if (class2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
120			pr_cont(" limited_pwr2");
121		if (class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
122			pr_cont(" ulv");
123		if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
124			pr_cont(" uvd_mvc");
125	}
126	pr_cont("\n");
127}
128
129void r600_dpm_print_cap_info(u32 caps)
130{
131	printk("\tcaps:");
132	if (caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
133		pr_cont(" single_disp");
134	if (caps & ATOM_PPLIB_SUPPORTS_VIDEO_PLAYBACK)
135		pr_cont(" video");
136	if (caps & ATOM_PPLIB_DISALLOW_ON_DC)
137		pr_cont(" no_dc");
138	pr_cont("\n");
139}
140
141void r600_dpm_print_ps_status(struct radeon_device *rdev,
142			      struct radeon_ps *rps)
143{
144	printk("\tstatus:");
145	if (rps == rdev->pm.dpm.current_ps)
146		pr_cont(" c");
147	if (rps == rdev->pm.dpm.requested_ps)
148		pr_cont(" r");
149	if (rps == rdev->pm.dpm.boot_ps)
150		pr_cont(" b");
151	pr_cont("\n");
152}
153
154u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
155{
156	struct drm_device *dev = rdev->ddev;
157	struct drm_crtc *crtc;
158	struct radeon_crtc *radeon_crtc;
159	u32 vblank_in_pixels;
160	u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
161
162	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
163		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
164			radeon_crtc = to_radeon_crtc(crtc);
165			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
166				vblank_in_pixels =
167					radeon_crtc->hw_mode.crtc_htotal *
168					(radeon_crtc->hw_mode.crtc_vblank_end -
169					 radeon_crtc->hw_mode.crtc_vdisplay +
170					 (radeon_crtc->v_border * 2));
171
172				vblank_time_us = vblank_in_pixels * 1000 / radeon_crtc->hw_mode.clock;
173				break;
174			}
175		}
176	}
177
178	return vblank_time_us;
179}
180
181u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
182{
183	struct drm_device *dev = rdev->ddev;
184	struct drm_crtc *crtc;
185	struct radeon_crtc *radeon_crtc;
186	u32 vrefresh = 0;
187
188	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
189		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
190			radeon_crtc = to_radeon_crtc(crtc);
191			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
192				vrefresh = drm_mode_vrefresh(&radeon_crtc->hw_mode);
193				break;
194			}
195		}
196	}
197	return vrefresh;
198}
199
200void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
201			    u32 *p, u32 *u)
202{
203	u32 b_c = 0;
204	u32 i_c;
205	u32 tmp;
206
207	i_c = (i * r_c) / 100;
208	tmp = i_c >> p_b;
209
210	while (tmp) {
211		b_c++;
212		tmp >>= 1;
213	}
214
215	*u = (b_c + 1) / 2;
216	*p = i_c / (1 << (2 * (*u)));
217}
218
219int r600_calculate_at(u32 t, u32 h, u32 fh, u32 fl, u32 *tl, u32 *th)
220{
221	u32 k, a, ah, al;
222	u32 t1;
223
224	if ((fl == 0) || (fh == 0) || (fl > fh))
225		return -EINVAL;
226
227	k = (100 * fh) / fl;
228	t1 = (t * (k - 100));
229	a = (1000 * (100 * h + t1)) / (10000 + (t1 / 100));
230	a = (a + 5) / 10;
231	ah = ((a * t) + 5000) / 10000;
232	al = a - ah;
233
234	*th = t - ah;
235	*tl = t + al;
236
237	return 0;
238}
239
240void r600_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
241{
242	int i;
243
244	if (enable) {
245		WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
246	} else {
247		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
248
249		WREG32(CG_RLC_REQ_AND_RSP, 0x2);
250
251		for (i = 0; i < rdev->usec_timeout; i++) {
252			if (((RREG32(CG_RLC_REQ_AND_RSP) & CG_RLC_RSP_TYPE_MASK) >> CG_RLC_RSP_TYPE_SHIFT) == 1)
253				break;
254			udelay(1);
255		}
256
257		WREG32(CG_RLC_REQ_AND_RSP, 0x0);
258
259		WREG32(GRBM_PWR_CNTL, 0x1);
260		RREG32(GRBM_PWR_CNTL);
261	}
262}
263
264void r600_dynamicpm_enable(struct radeon_device *rdev, bool enable)
265{
266	if (enable)
267		WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
268	else
269		WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
270}
271
272void r600_enable_thermal_protection(struct radeon_device *rdev, bool enable)
273{
274	if (enable)
275		WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
276	else
277		WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
278}
279
280void r600_enable_acpi_pm(struct radeon_device *rdev)
281{
282	WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
283}
284
285void r600_enable_dynamic_pcie_gen2(struct radeon_device *rdev, bool enable)
286{
287	if (enable)
288		WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
289	else
290		WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
291}
292
293bool r600_dynamicpm_enabled(struct radeon_device *rdev)
294{
295	if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
296		return true;
297	else
298		return false;
299}
300
301void r600_enable_sclk_control(struct radeon_device *rdev, bool enable)
302{
303	if (enable)
304		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF);
305	else
306		WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF);
307}
308
309void r600_enable_mclk_control(struct radeon_device *rdev, bool enable)
310{
311	if (enable)
312		WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF);
313	else
314		WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF);
315}
316
317void r600_enable_spll_bypass(struct radeon_device *rdev, bool enable)
318{
319	if (enable)
320		WREG32_P(CG_SPLL_FUNC_CNTL, SPLL_BYPASS_EN, ~SPLL_BYPASS_EN);
321	else
322		WREG32_P(CG_SPLL_FUNC_CNTL, 0, ~SPLL_BYPASS_EN);
323}
324
325void r600_wait_for_spll_change(struct radeon_device *rdev)
326{
327	int i;
328
329	for (i = 0; i < rdev->usec_timeout; i++) {
330		if (RREG32(CG_SPLL_FUNC_CNTL) & SPLL_CHG_STATUS)
331			break;
332		udelay(1);
333	}
334}
335
336void r600_set_bsp(struct radeon_device *rdev, u32 u, u32 p)
337{
338	WREG32(CG_BSP, BSP(p) | BSU(u));
339}
340
341void r600_set_at(struct radeon_device *rdev,
342		 u32 l_to_m, u32 m_to_h,
343		 u32 h_to_m, u32 m_to_l)
344{
345	WREG32(CG_RT, FLS(l_to_m) | FMS(m_to_h));
346	WREG32(CG_LT, FHS(h_to_m) | FMS(m_to_l));
347}
348
349void r600_set_tc(struct radeon_device *rdev,
350		 u32 index, u32 u_t, u32 d_t)
351{
352	WREG32(CG_FFCT_0 + (index * 4), UTC_0(u_t) | DTC_0(d_t));
353}
354
355void r600_select_td(struct radeon_device *rdev,
356		    enum r600_td td)
357{
358	if (td == R600_TD_AUTO)
359		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
360	else
361		WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
362	if (td == R600_TD_UP)
363		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
364	if (td == R600_TD_DOWN)
365		WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
366}
367
368void r600_set_vrc(struct radeon_device *rdev, u32 vrv)
369{
370	WREG32(CG_FTV, vrv);
371}
372
373void r600_set_tpu(struct radeon_device *rdev, u32 u)
374{
375	WREG32_P(CG_TPC, TPU(u), ~TPU_MASK);
376}
377
378void r600_set_tpc(struct radeon_device *rdev, u32 c)
379{
380	WREG32_P(CG_TPC, TPCC(c), ~TPCC_MASK);
381}
382
383void r600_set_sstu(struct radeon_device *rdev, u32 u)
384{
385	WREG32_P(CG_SSP, CG_SSTU(u), ~CG_SSTU_MASK);
386}
387
388void r600_set_sst(struct radeon_device *rdev, u32 t)
389{
390	WREG32_P(CG_SSP, CG_SST(t), ~CG_SST_MASK);
391}
392
393void r600_set_git(struct radeon_device *rdev, u32 t)
394{
395	WREG32_P(CG_GIT, CG_GICST(t), ~CG_GICST_MASK);
396}
397
398void r600_set_fctu(struct radeon_device *rdev, u32 u)
399{
400	WREG32_P(CG_FC_T, FC_TU(u), ~FC_TU_MASK);
401}
402
403void r600_set_fct(struct radeon_device *rdev, u32 t)
404{
405	WREG32_P(CG_FC_T, FC_T(t), ~FC_T_MASK);
406}
407
408void r600_set_ctxcgtt3d_rphc(struct radeon_device *rdev, u32 p)
409{
410	WREG32_P(CG_CTX_CGTT3D_R, PHC(p), ~PHC_MASK);
411}
412
413void r600_set_ctxcgtt3d_rsdc(struct radeon_device *rdev, u32 s)
414{
415	WREG32_P(CG_CTX_CGTT3D_R, SDC(s), ~SDC_MASK);
416}
417
418void r600_set_vddc3d_oorsu(struct radeon_device *rdev, u32 u)
419{
420	WREG32_P(CG_VDDC3D_OOR, SU(u), ~SU_MASK);
421}
422
423void r600_set_vddc3d_oorphc(struct radeon_device *rdev, u32 p)
424{
425	WREG32_P(CG_VDDC3D_OOR, PHC(p), ~PHC_MASK);
426}
427
428void r600_set_vddc3d_oorsdc(struct radeon_device *rdev, u32 s)
429{
430	WREG32_P(CG_VDDC3D_OOR, SDC(s), ~SDC_MASK);
431}
432
433void r600_set_mpll_lock_time(struct radeon_device *rdev, u32 lock_time)
434{
435	WREG32_P(MPLL_TIME, MPLL_LOCK_TIME(lock_time), ~MPLL_LOCK_TIME_MASK);
436}
437
438void r600_set_mpll_reset_time(struct radeon_device *rdev, u32 reset_time)
439{
440	WREG32_P(MPLL_TIME, MPLL_RESET_TIME(reset_time), ~MPLL_RESET_TIME_MASK);
441}
442
443void r600_engine_clock_entry_enable(struct radeon_device *rdev,
444				    u32 index, bool enable)
445{
446	if (enable)
447		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
448			 STEP_0_SPLL_ENTRY_VALID, ~STEP_0_SPLL_ENTRY_VALID);
449	else
450		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
451			 0, ~STEP_0_SPLL_ENTRY_VALID);
452}
453
454void r600_engine_clock_entry_enable_pulse_skipping(struct radeon_device *rdev,
455						   u32 index, bool enable)
456{
457	if (enable)
458		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
459			 STEP_0_SPLL_STEP_ENABLE, ~STEP_0_SPLL_STEP_ENABLE);
460	else
461		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
462			 0, ~STEP_0_SPLL_STEP_ENABLE);
463}
464
465void r600_engine_clock_entry_enable_post_divider(struct radeon_device *rdev,
466						 u32 index, bool enable)
467{
468	if (enable)
469		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
470			 STEP_0_POST_DIV_EN, ~STEP_0_POST_DIV_EN);
471	else
472		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
473			 0, ~STEP_0_POST_DIV_EN);
474}
475
476void r600_engine_clock_entry_set_post_divider(struct radeon_device *rdev,
477					      u32 index, u32 divider)
478{
479	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
480		 STEP_0_SPLL_POST_DIV(divider), ~STEP_0_SPLL_POST_DIV_MASK);
481}
482
483void r600_engine_clock_entry_set_reference_divider(struct radeon_device *rdev,
484						   u32 index, u32 divider)
485{
486	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
487		 STEP_0_SPLL_REF_DIV(divider), ~STEP_0_SPLL_REF_DIV_MASK);
488}
489
490void r600_engine_clock_entry_set_feedback_divider(struct radeon_device *rdev,
491						  u32 index, u32 divider)
492{
493	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
494		 STEP_0_SPLL_FB_DIV(divider), ~STEP_0_SPLL_FB_DIV_MASK);
495}
496
497void r600_engine_clock_entry_set_step_time(struct radeon_device *rdev,
498					   u32 index, u32 step_time)
499{
500	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
501		 STEP_0_SPLL_STEP_TIME(step_time), ~STEP_0_SPLL_STEP_TIME_MASK);
502}
503
504void r600_vid_rt_set_ssu(struct radeon_device *rdev, u32 u)
505{
506	WREG32_P(VID_RT, SSTU(u), ~SSTU_MASK);
507}
508
509void r600_vid_rt_set_vru(struct radeon_device *rdev, u32 u)
510{
511	WREG32_P(VID_RT, VID_CRTU(u), ~VID_CRTU_MASK);
512}
513
514void r600_vid_rt_set_vrt(struct radeon_device *rdev, u32 rt)
515{
516	WREG32_P(VID_RT, VID_CRT(rt), ~VID_CRT_MASK);
517}
518
519void r600_voltage_control_enable_pins(struct radeon_device *rdev,
520				      u64 mask)
521{
522	WREG32(LOWER_GPIO_ENABLE, mask & 0xffffffff);
523	WREG32(UPPER_GPIO_ENABLE, upper_32_bits(mask));
524}
525
526
527void r600_voltage_control_program_voltages(struct radeon_device *rdev,
528					   enum r600_power_level index, u64 pins)
529{
530	u32 tmp, mask;
531	u32 ix = 3 - (3 & index);
532
533	WREG32(CTXSW_VID_LOWER_GPIO_CNTL + (ix * 4), pins & 0xffffffff);
534
535	mask = 7 << (3 * ix);
536	tmp = RREG32(VID_UPPER_GPIO_CNTL);
537	tmp = (tmp & ~mask) | ((pins >> (32 - (3 * ix))) & mask);
538	WREG32(VID_UPPER_GPIO_CNTL, tmp);
539}
540
541void r600_voltage_control_deactivate_static_control(struct radeon_device *rdev,
542						    u64 mask)
543{
544	u32 gpio;
545
546	gpio = RREG32(GPIOPAD_MASK);
547	gpio &= ~mask;
548	WREG32(GPIOPAD_MASK, gpio);
549
550	gpio = RREG32(GPIOPAD_EN);
551	gpio &= ~mask;
552	WREG32(GPIOPAD_EN, gpio);
553
554	gpio = RREG32(GPIOPAD_A);
555	gpio &= ~mask;
556	WREG32(GPIOPAD_A, gpio);
557}
558
559void r600_power_level_enable(struct radeon_device *rdev,
560			     enum r600_power_level index, bool enable)
561{
562	u32 ix = 3 - (3 & index);
563
564	if (enable)
565		WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), CTXSW_FREQ_STATE_ENABLE,
566			 ~CTXSW_FREQ_STATE_ENABLE);
567	else
568		WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), 0,
569			 ~CTXSW_FREQ_STATE_ENABLE);
570}
571
572void r600_power_level_set_voltage_index(struct radeon_device *rdev,
573					enum r600_power_level index, u32 voltage_index)
574{
575	u32 ix = 3 - (3 & index);
576
577	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
578		 CTXSW_FREQ_VIDS_CFG_INDEX(voltage_index), ~CTXSW_FREQ_VIDS_CFG_INDEX_MASK);
579}
580
581void r600_power_level_set_mem_clock_index(struct radeon_device *rdev,
582					  enum r600_power_level index, u32 mem_clock_index)
583{
584	u32 ix = 3 - (3 & index);
585
586	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
587		 CTXSW_FREQ_MCLK_CFG_INDEX(mem_clock_index), ~CTXSW_FREQ_MCLK_CFG_INDEX_MASK);
588}
589
590void r600_power_level_set_eng_clock_index(struct radeon_device *rdev,
591					  enum r600_power_level index, u32 eng_clock_index)
592{
593	u32 ix = 3 - (3 & index);
594
595	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
596		 CTXSW_FREQ_SCLK_CFG_INDEX(eng_clock_index), ~CTXSW_FREQ_SCLK_CFG_INDEX_MASK);
597}
598
599void r600_power_level_set_watermark_id(struct radeon_device *rdev,
600				       enum r600_power_level index,
601				       enum r600_display_watermark watermark_id)
602{
603	u32 ix = 3 - (3 & index);
604	u32 tmp = 0;
605
606	if (watermark_id == R600_DISPLAY_WATERMARK_HIGH)
607		tmp = CTXSW_FREQ_DISPLAY_WATERMARK;
608	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_DISPLAY_WATERMARK);
609}
610
611void r600_power_level_set_pcie_gen2(struct radeon_device *rdev,
612				    enum r600_power_level index, bool compatible)
613{
614	u32 ix = 3 - (3 & index);
615	u32 tmp = 0;
616
617	if (compatible)
618		tmp = CTXSW_FREQ_GEN2PCIE_VOLT;
619	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_GEN2PCIE_VOLT);
620}
621
622enum r600_power_level r600_power_level_get_current_index(struct radeon_device *rdev)
623{
624	u32 tmp;
625
626	tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK;
627	tmp >>= CURRENT_PROFILE_INDEX_SHIFT;
628	return tmp;
629}
630
631enum r600_power_level r600_power_level_get_target_index(struct radeon_device *rdev)
632{
633	u32 tmp;
634
635	tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_PROFILE_INDEX_MASK;
636	tmp >>= TARGET_PROFILE_INDEX_SHIFT;
637	return tmp;
638}
639
640void r600_power_level_set_enter_index(struct radeon_device *rdev,
641				      enum r600_power_level index)
642{
643	WREG32_P(TARGET_AND_CURRENT_PROFILE_INDEX, DYN_PWR_ENTER_INDEX(index),
644		 ~DYN_PWR_ENTER_INDEX_MASK);
645}
646
647void r600_wait_for_power_level_unequal(struct radeon_device *rdev,
648				       enum r600_power_level index)
649{
650	int i;
651
652	for (i = 0; i < rdev->usec_timeout; i++) {
653		if (r600_power_level_get_target_index(rdev) != index)
654			break;
655		udelay(1);
656	}
657
658	for (i = 0; i < rdev->usec_timeout; i++) {
659		if (r600_power_level_get_current_index(rdev) != index)
660			break;
661		udelay(1);
662	}
663}
664
665void r600_wait_for_power_level(struct radeon_device *rdev,
666			       enum r600_power_level index)
667{
668	int i;
669
670	for (i = 0; i < rdev->usec_timeout; i++) {
671		if (r600_power_level_get_target_index(rdev) == index)
672			break;
673		udelay(1);
674	}
675
676	for (i = 0; i < rdev->usec_timeout; i++) {
677		if (r600_power_level_get_current_index(rdev) == index)
678			break;
679		udelay(1);
680	}
681}
682
683void r600_start_dpm(struct radeon_device *rdev)
684{
685	r600_enable_sclk_control(rdev, false);
686	r600_enable_mclk_control(rdev, false);
687
688	r600_dynamicpm_enable(rdev, true);
689
690	radeon_wait_for_vblank(rdev, 0);
691	radeon_wait_for_vblank(rdev, 1);
692
693	r600_enable_spll_bypass(rdev, true);
694	r600_wait_for_spll_change(rdev);
695	r600_enable_spll_bypass(rdev, false);
696	r600_wait_for_spll_change(rdev);
697
698	r600_enable_spll_bypass(rdev, true);
699	r600_wait_for_spll_change(rdev);
700	r600_enable_spll_bypass(rdev, false);
701	r600_wait_for_spll_change(rdev);
702
703	r600_enable_sclk_control(rdev, true);
704	r600_enable_mclk_control(rdev, true);
705}
706
707void r600_stop_dpm(struct radeon_device *rdev)
708{
709	r600_dynamicpm_enable(rdev, false);
710}
711
712int r600_dpm_pre_set_power_state(struct radeon_device *rdev)
713{
714	return 0;
715}
716
717void r600_dpm_post_set_power_state(struct radeon_device *rdev)
718{
719
720}
721
722bool r600_is_uvd_state(u32 class, u32 class2)
723{
724	if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
725		return true;
726	if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
727		return true;
728	if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
729		return true;
730	if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
731		return true;
732	if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
733		return true;
734	return false;
735}
736
737static int r600_set_thermal_temperature_range(struct radeon_device *rdev,
738					      int min_temp, int max_temp)
739{
740	int low_temp = 0 * 1000;
741	int high_temp = 255 * 1000;
742
743	if (low_temp < min_temp)
744		low_temp = min_temp;
745	if (high_temp > max_temp)
746		high_temp = max_temp;
747	if (high_temp < low_temp) {
748		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
749		return -EINVAL;
750	}
751
752	WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(high_temp / 1000), ~DIG_THERM_INTH_MASK);
753	WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(low_temp / 1000), ~DIG_THERM_INTL_MASK);
754	WREG32_P(CG_THERMAL_CTRL, DIG_THERM_DPM(high_temp / 1000), ~DIG_THERM_DPM_MASK);
755
756	rdev->pm.dpm.thermal.min_temp = low_temp;
757	rdev->pm.dpm.thermal.max_temp = high_temp;
758
759	return 0;
760}
761
762bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
763{
764	switch (sensor) {
765	case THERMAL_TYPE_RV6XX:
766	case THERMAL_TYPE_RV770:
767	case THERMAL_TYPE_EVERGREEN:
768	case THERMAL_TYPE_SUMO:
769	case THERMAL_TYPE_NI:
770	case THERMAL_TYPE_SI:
771	case THERMAL_TYPE_CI:
772	case THERMAL_TYPE_KV:
773		return true;
774	case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
775	case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
776		return false; /* need special handling */
777	case THERMAL_TYPE_NONE:
778	case THERMAL_TYPE_EXTERNAL:
779	case THERMAL_TYPE_EXTERNAL_GPIO:
780	default:
781		return false;
782	}
783}
784
785int r600_dpm_late_enable(struct radeon_device *rdev)
786{
787	int ret;
788
789	if (rdev->irq.installed &&
790	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
791		ret = r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
792		if (ret)
793			return ret;
794		rdev->irq.dpm_thermal = true;
795		radeon_irq_set(rdev);
796	}
797
798	return 0;
799}
800
801union power_info {
802	struct _ATOM_POWERPLAY_INFO info;
803	struct _ATOM_POWERPLAY_INFO_V2 info_2;
804	struct _ATOM_POWERPLAY_INFO_V3 info_3;
805	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
806	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
807	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
808	struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
809	struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
810};
811
812union fan_info {
813	struct _ATOM_PPLIB_FANTABLE fan;
814	struct _ATOM_PPLIB_FANTABLE2 fan2;
815	struct _ATOM_PPLIB_FANTABLE3 fan3;
816};
817
818static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependency_table *radeon_table,
819					    ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table)
820{
821	int i;
822	ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry;
823
824	radeon_table->entries = kcalloc(atom_table->ucNumEntries,
825					sizeof(struct radeon_clock_voltage_dependency_entry),
826					GFP_KERNEL);
827	if (!radeon_table->entries)
828		return -ENOMEM;
829
830	entry = &atom_table->entries[0];
831	for (i = 0; i < atom_table->ucNumEntries; i++) {
832		radeon_table->entries[i].clk = le16_to_cpu(entry->usClockLow) |
833			(entry->ucClockHigh << 16);
834		radeon_table->entries[i].v = le16_to_cpu(entry->usVoltage);
835		entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *)
836			((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record));
837	}
838	radeon_table->count = atom_table->ucNumEntries;
839
840	return 0;
841}
842
843int r600_get_platform_caps(struct radeon_device *rdev)
844{
845	struct radeon_mode_info *mode_info = &rdev->mode_info;
846	union power_info *power_info;
847	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
848	u16 data_offset;
849	u8 frev, crev;
850
851	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
852				   &frev, &crev, &data_offset))
853		return -EINVAL;
854	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
855
856	rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
857	rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
858	rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
859
860	return 0;
861}
862
863/* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
864#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
865#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
866#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16
867#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18
868#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20
869#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22
870
871int r600_parse_extended_power_table(struct radeon_device *rdev)
872{
873	struct radeon_mode_info *mode_info = &rdev->mode_info;
874	union power_info *power_info;
875	union fan_info *fan_info;
876	ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table;
877	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
878	u16 data_offset;
879	u8 frev, crev;
880	int ret, i;
881
882	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
883				   &frev, &crev, &data_offset))
884		return -EINVAL;
885	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
886
887	/* fan table */
888	if (le16_to_cpu(power_info->pplib.usTableSize) >=
889	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
890		if (power_info->pplib3.usFanTableOffset) {
891			fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset +
892						      le16_to_cpu(power_info->pplib3.usFanTableOffset));
893			rdev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst;
894			rdev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin);
895			rdev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed);
896			rdev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh);
897			rdev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin);
898			rdev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed);
899			rdev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh);
900			if (fan_info->fan.ucFanTableFormat >= 2)
901				rdev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax);
902			else
903				rdev->pm.dpm.fan.t_max = 10900;
904			rdev->pm.dpm.fan.cycle_delay = 100000;
905			if (fan_info->fan.ucFanTableFormat >= 3) {
906				rdev->pm.dpm.fan.control_mode = fan_info->fan3.ucFanControlMode;
907				rdev->pm.dpm.fan.default_max_fan_pwm =
908					le16_to_cpu(fan_info->fan3.usFanPWMMax);
909				rdev->pm.dpm.fan.default_fan_output_sensitivity = 4836;
910				rdev->pm.dpm.fan.fan_output_sensitivity =
911					le16_to_cpu(fan_info->fan3.usFanOutputSensitivity);
912			}
913			rdev->pm.dpm.fan.ucode_fan_control = true;
914		}
915	}
916
917	/* clock dependancy tables, shedding tables */
918	if (le16_to_cpu(power_info->pplib.usTableSize) >=
919	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) {
920		if (power_info->pplib4.usVddcDependencyOnSCLKOffset) {
921			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
922				(mode_info->atom_context->bios + data_offset +
923				 le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset));
924			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
925							       dep_table);
926			if (ret)
927				return ret;
928		}
929		if (power_info->pplib4.usVddciDependencyOnMCLKOffset) {
930			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
931				(mode_info->atom_context->bios + data_offset +
932				 le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset));
933			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
934							       dep_table);
935			if (ret) {
936				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
937				return ret;
938			}
939		}
940		if (power_info->pplib4.usVddcDependencyOnMCLKOffset) {
941			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
942				(mode_info->atom_context->bios + data_offset +
943				 le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset));
944			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
945							       dep_table);
946			if (ret) {
947				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
948				kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
949				return ret;
950			}
951		}
952		if (power_info->pplib4.usMvddDependencyOnMCLKOffset) {
953			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
954				(mode_info->atom_context->bios + data_offset +
955				 le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset));
956			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
957							       dep_table);
958			if (ret) {
959				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
960				kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
961				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
962				return ret;
963			}
964		}
965		if (power_info->pplib4.usMaxClockVoltageOnDCOffset) {
966			ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v =
967				(ATOM_PPLIB_Clock_Voltage_Limit_Table *)
968				(mode_info->atom_context->bios + data_offset +
969				 le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset));
970			if (clk_v->ucNumEntries) {
971				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk =
972					le16_to_cpu(clk_v->entries[0].usSclkLow) |
973					(clk_v->entries[0].ucSclkHigh << 16);
974				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk =
975					le16_to_cpu(clk_v->entries[0].usMclkLow) |
976					(clk_v->entries[0].ucMclkHigh << 16);
977				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc =
978					le16_to_cpu(clk_v->entries[0].usVddc);
979				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci =
980					le16_to_cpu(clk_v->entries[0].usVddci);
981			}
982		}
983		if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) {
984			ATOM_PPLIB_PhaseSheddingLimits_Table *psl =
985				(ATOM_PPLIB_PhaseSheddingLimits_Table *)
986				(mode_info->atom_context->bios + data_offset +
987				 le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset));
988			ATOM_PPLIB_PhaseSheddingLimits_Record *entry;
989
990			rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries =
991				kcalloc(psl->ucNumEntries,
992					sizeof(struct radeon_phase_shedding_limits_entry),
993					GFP_KERNEL);
994			if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
995				r600_free_extended_power_table(rdev);
996				return -ENOMEM;
997			}
998
999			entry = &psl->entries[0];
1000			for (i = 0; i < psl->ucNumEntries; i++) {
1001				rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
1002					le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16);
1003				rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk =
1004					le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16);
1005				rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage =
1006					le16_to_cpu(entry->usVoltage);
1007				entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *)
1008					((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record));
1009			}
1010			rdev->pm.dpm.dyn_state.phase_shedding_limits_table.count =
1011				psl->ucNumEntries;
1012		}
1013	}
1014
1015	/* cac data */
1016	if (le16_to_cpu(power_info->pplib.usTableSize) >=
1017	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) {
1018		rdev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit);
1019		rdev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit);
1020		rdev->pm.dpm.near_tdp_limit_adjusted = rdev->pm.dpm.near_tdp_limit;
1021		rdev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit);
1022		if (rdev->pm.dpm.tdp_od_limit)
1023			rdev->pm.dpm.power_control = true;
1024		else
1025			rdev->pm.dpm.power_control = false;
1026		rdev->pm.dpm.tdp_adjustment = 0;
1027		rdev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold);
1028		rdev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage);
1029		rdev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope);
1030		if (power_info->pplib5.usCACLeakageTableOffset) {
1031			ATOM_PPLIB_CAC_Leakage_Table *cac_table =
1032				(ATOM_PPLIB_CAC_Leakage_Table *)
1033				(mode_info->atom_context->bios + data_offset +
1034				 le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
1035			ATOM_PPLIB_CAC_Leakage_Record *entry;
1036			u32 size = cac_table->ucNumEntries * sizeof(struct radeon_cac_leakage_table);
1037			rdev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL);
1038			if (!rdev->pm.dpm.dyn_state.cac_leakage_table.entries) {
1039				r600_free_extended_power_table(rdev);
1040				return -ENOMEM;
1041			}
1042			entry = &cac_table->entries[0];
1043			for (i = 0; i < cac_table->ucNumEntries; i++) {
1044				if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
1045					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 =
1046						le16_to_cpu(entry->usVddc1);
1047					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 =
1048						le16_to_cpu(entry->usVddc2);
1049					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 =
1050						le16_to_cpu(entry->usVddc3);
1051				} else {
1052					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
1053						le16_to_cpu(entry->usVddc);
1054					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
1055						le32_to_cpu(entry->ulLeakageValue);
1056				}
1057				entry = (ATOM_PPLIB_CAC_Leakage_Record *)
1058					((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record));
1059			}
1060			rdev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
1061		}
1062	}
1063
1064	/* ext tables */
1065	if (le16_to_cpu(power_info->pplib.usTableSize) >=
1066	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
1067		ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
1068			(mode_info->atom_context->bios + data_offset +
1069			 le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
1070		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) &&
1071			ext_hdr->usVCETableOffset) {
1072			VCEClockInfoArray *array = (VCEClockInfoArray *)
1073				(mode_info->atom_context->bios + data_offset +
1074				 le16_to_cpu(ext_hdr->usVCETableOffset) + 1);
1075			ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits =
1076				(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)
1077				(mode_info->atom_context->bios + data_offset +
1078				 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1079				 1 + array->ucNumEntries * sizeof(VCEClockInfo));
1080			ATOM_PPLIB_VCE_State_Table *states =
1081				(ATOM_PPLIB_VCE_State_Table *)
1082				(mode_info->atom_context->bios + data_offset +
1083				 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1084				 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) +
1085				 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)));
1086			ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
1087			ATOM_PPLIB_VCE_State_Record *state_entry;
1088			VCEClockInfo *vce_clk;
1089			u32 size = limits->numEntries *
1090				sizeof(struct radeon_vce_clock_voltage_dependency_entry);
1091			rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
1092				kzalloc(size, GFP_KERNEL);
1093			if (!rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) {
1094				r600_free_extended_power_table(rdev);
1095				return -ENOMEM;
1096			}
1097			rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
1098				limits->numEntries;
1099			entry = &limits->entries[0];
1100			state_entry = &states->entries[0];
1101			for (i = 0; i < limits->numEntries; i++) {
1102				vce_clk = (VCEClockInfo *)
1103					((u8 *)&array->entries[0] +
1104					 (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1105				rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
1106					le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1107				rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk =
1108					le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1109				rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v =
1110					le16_to_cpu(entry->usVoltage);
1111				entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
1112					((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
1113			}
1114			for (i = 0; i < states->numEntries; i++) {
1115				if (i >= RADEON_MAX_VCE_LEVELS)
1116					break;
1117				vce_clk = (VCEClockInfo *)
1118					((u8 *)&array->entries[0] +
1119					 (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1120				rdev->pm.dpm.vce_states[i].evclk =
1121					le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1122				rdev->pm.dpm.vce_states[i].ecclk =
1123					le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1124				rdev->pm.dpm.vce_states[i].clk_idx =
1125					state_entry->ucClockInfoIndex & 0x3f;
1126				rdev->pm.dpm.vce_states[i].pstate =
1127					(state_entry->ucClockInfoIndex & 0xc0) >> 6;
1128				state_entry = (ATOM_PPLIB_VCE_State_Record *)
1129					((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record));
1130			}
1131		}
1132		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
1133			ext_hdr->usUVDTableOffset) {
1134			UVDClockInfoArray *array = (UVDClockInfoArray *)
1135				(mode_info->atom_context->bios + data_offset +
1136				 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
1137			ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
1138				(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
1139				(mode_info->atom_context->bios + data_offset +
1140				 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
1141				 1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
1142			ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry;
1143			u32 size = limits->numEntries *
1144				sizeof(struct radeon_uvd_clock_voltage_dependency_entry);
1145			rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
1146				kzalloc(size, GFP_KERNEL);
1147			if (!rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
1148				r600_free_extended_power_table(rdev);
1149				return -ENOMEM;
1150			}
1151			rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
1152				limits->numEntries;
1153			entry = &limits->entries[0];
1154			for (i = 0; i < limits->numEntries; i++) {
1155				UVDClockInfo *uvd_clk = (UVDClockInfo *)
1156					((u8 *)&array->entries[0] +
1157					 (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo)));
1158				rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
1159					le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
1160				rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
1161					le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
1162				rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
1163					le16_to_cpu(entry->usVoltage);
1164				entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
1165					((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
1166			}
1167		}
1168		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) &&
1169			ext_hdr->usSAMUTableOffset) {
1170			ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits =
1171				(ATOM_PPLIB_SAMClk_Voltage_Limit_Table *)
1172				(mode_info->atom_context->bios + data_offset +
1173				 le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1);
1174			ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry;
1175			u32 size = limits->numEntries *
1176				sizeof(struct radeon_clock_voltage_dependency_entry);
1177			rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries =
1178				kzalloc(size, GFP_KERNEL);
1179			if (!rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) {
1180				r600_free_extended_power_table(rdev);
1181				return -ENOMEM;
1182			}
1183			rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count =
1184				limits->numEntries;
1185			entry = &limits->entries[0];
1186			for (i = 0; i < limits->numEntries; i++) {
1187				rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
1188					le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16);
1189				rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
1190					le16_to_cpu(entry->usVoltage);
1191				entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *)
1192					((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record));
1193			}
1194		}
1195		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
1196		    ext_hdr->usPPMTableOffset) {
1197			ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
1198				(mode_info->atom_context->bios + data_offset +
1199				 le16_to_cpu(ext_hdr->usPPMTableOffset));
1200			rdev->pm.dpm.dyn_state.ppm_table =
1201				kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
1202			if (!rdev->pm.dpm.dyn_state.ppm_table) {
1203				r600_free_extended_power_table(rdev);
1204				return -ENOMEM;
1205			}
1206			rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
1207			rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
1208				le16_to_cpu(ppm->usCpuCoreNumber);
1209			rdev->pm.dpm.dyn_state.ppm_table->platform_tdp =
1210				le32_to_cpu(ppm->ulPlatformTDP);
1211			rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp =
1212				le32_to_cpu(ppm->ulSmallACPlatformTDP);
1213			rdev->pm.dpm.dyn_state.ppm_table->platform_tdc =
1214				le32_to_cpu(ppm->ulPlatformTDC);
1215			rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc =
1216				le32_to_cpu(ppm->ulSmallACPlatformTDC);
1217			rdev->pm.dpm.dyn_state.ppm_table->apu_tdp =
1218				le32_to_cpu(ppm->ulApuTDP);
1219			rdev->pm.dpm.dyn_state.ppm_table->dgpu_tdp =
1220				le32_to_cpu(ppm->ulDGpuTDP);
1221			rdev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power =
1222				le32_to_cpu(ppm->ulDGpuUlvPower);
1223			rdev->pm.dpm.dyn_state.ppm_table->tj_max =
1224				le32_to_cpu(ppm->ulTjmax);
1225		}
1226		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) &&
1227			ext_hdr->usACPTableOffset) {
1228			ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits =
1229				(ATOM_PPLIB_ACPClk_Voltage_Limit_Table *)
1230				(mode_info->atom_context->bios + data_offset +
1231				 le16_to_cpu(ext_hdr->usACPTableOffset) + 1);
1232			ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry;
1233			u32 size = limits->numEntries *
1234				sizeof(struct radeon_clock_voltage_dependency_entry);
1235			rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries =
1236				kzalloc(size, GFP_KERNEL);
1237			if (!rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) {
1238				r600_free_extended_power_table(rdev);
1239				return -ENOMEM;
1240			}
1241			rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count =
1242				limits->numEntries;
1243			entry = &limits->entries[0];
1244			for (i = 0; i < limits->numEntries; i++) {
1245				rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk =
1246					le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16);
1247				rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v =
1248					le16_to_cpu(entry->usVoltage);
1249				entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *)
1250					((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record));
1251			}
1252		}
1253		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) &&
1254			ext_hdr->usPowerTuneTableOffset) {
1255			u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset +
1256					 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1257			ATOM_PowerTune_Table *pt;
1258			rdev->pm.dpm.dyn_state.cac_tdp_table =
1259				kzalloc(sizeof(struct radeon_cac_tdp_table), GFP_KERNEL);
1260			if (!rdev->pm.dpm.dyn_state.cac_tdp_table) {
1261				r600_free_extended_power_table(rdev);
1262				return -ENOMEM;
1263			}
1264			if (rev > 0) {
1265				ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *)
1266					(mode_info->atom_context->bios + data_offset +
1267					 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1268				rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
1269					le16_to_cpu(ppt->usMaximumPowerDeliveryLimit);
1270				pt = &ppt->power_tune_table;
1271			} else {
1272				ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
1273					(mode_info->atom_context->bios + data_offset +
1274					 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1275				rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255;
1276				pt = &ppt->power_tune_table;
1277			}
1278			rdev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP);
1279			rdev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp =
1280				le16_to_cpu(pt->usConfigurableTDP);
1281			rdev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC);
1282			rdev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit =
1283				le16_to_cpu(pt->usBatteryPowerLimit);
1284			rdev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit =
1285				le16_to_cpu(pt->usSmallPowerLimit);
1286			rdev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage =
1287				le16_to_cpu(pt->usLowCACLeakage);
1288			rdev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage =
1289				le16_to_cpu(pt->usHighCACLeakage);
1290		}
1291	}
1292
1293	return 0;
1294}
1295
1296void r600_free_extended_power_table(struct radeon_device *rdev)
1297{
1298	struct radeon_dpm_dynamic_state *dyn_state = &rdev->pm.dpm.dyn_state;
1299
1300	kfree(dyn_state->vddc_dependency_on_sclk.entries);
1301	kfree(dyn_state->vddci_dependency_on_mclk.entries);
1302	kfree(dyn_state->vddc_dependency_on_mclk.entries);
1303	kfree(dyn_state->mvdd_dependency_on_mclk.entries);
1304	kfree(dyn_state->cac_leakage_table.entries);
1305	kfree(dyn_state->phase_shedding_limits_table.entries);
1306	kfree(dyn_state->ppm_table);
1307	kfree(dyn_state->cac_tdp_table);
1308	kfree(dyn_state->vce_clock_voltage_dependency_table.entries);
1309	kfree(dyn_state->uvd_clock_voltage_dependency_table.entries);
1310	kfree(dyn_state->samu_clock_voltage_dependency_table.entries);
1311	kfree(dyn_state->acp_clock_voltage_dependency_table.entries);
1312}
1313
1314enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
1315					       u32 sys_mask,
1316					       enum radeon_pcie_gen asic_gen,
1317					       enum radeon_pcie_gen default_gen)
1318{
1319	switch (asic_gen) {
1320	case RADEON_PCIE_GEN1:
1321		return RADEON_PCIE_GEN1;
1322	case RADEON_PCIE_GEN2:
1323		return RADEON_PCIE_GEN2;
1324	case RADEON_PCIE_GEN3:
1325		return RADEON_PCIE_GEN3;
1326	default:
1327		if ((sys_mask & RADEON_PCIE_SPEED_80) && (default_gen == RADEON_PCIE_GEN3))
1328			return RADEON_PCIE_GEN3;
1329		else if ((sys_mask & RADEON_PCIE_SPEED_50) && (default_gen == RADEON_PCIE_GEN2))
1330			return RADEON_PCIE_GEN2;
1331		else
1332			return RADEON_PCIE_GEN1;
1333	}
1334	return RADEON_PCIE_GEN1;
1335}
1336
1337u16 r600_get_pcie_lane_support(struct radeon_device *rdev,
1338			       u16 asic_lanes,
1339			       u16 default_lanes)
1340{
1341	switch (asic_lanes) {
1342	case 0:
1343	default:
1344		return default_lanes;
1345	case 1:
1346		return 1;
1347	case 2:
1348		return 2;
1349	case 4:
1350		return 4;
1351	case 8:
1352		return 8;
1353	case 12:
1354		return 12;
1355	case 16:
1356		return 16;
1357	}
1358}
1359
1360u8 r600_encode_pci_lane_width(u32 lanes)
1361{
1362	static const u8 encoded_lanes[] = {
1363		0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6
1364	};
1365
1366	if (lanes > 16)
1367		return 0;
1368
1369	return encoded_lanes[lanes];
1370}
1371