1 /*
2  * Copyright 2018 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/pci.h>
25 #include <linux/reboot.h>
26 
27 #include "hwmgr.h"
28 #include "pp_debug.h"
29 #include "ppatomctrl.h"
30 #include "ppsmc.h"
31 #include "atom.h"
32 #include "ivsrcid/thm/irqsrcs_thm_9_0.h"
33 #include "ivsrcid/smuio/irqsrcs_smuio_9_0.h"
34 #include "ivsrcid/ivsrcid_vislands30.h"
35 
convert_to_vid(uint16_t vddc)36 uint8_t convert_to_vid(uint16_t vddc)
37 {
38 	return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
39 }
40 
convert_to_vddc(uint8_t vid)41 uint16_t convert_to_vddc(uint8_t vid)
42 {
43 	return (uint16_t) ((6200 - (vid * 25)) / VOLTAGE_SCALE);
44 }
45 
phm_copy_clock_limits_array(struct pp_hwmgr * hwmgr,uint32_t ** pptable_info_array,const uint32_t * pptable_array,uint32_t power_saving_clock_count)46 int phm_copy_clock_limits_array(
47 	struct pp_hwmgr *hwmgr,
48 	uint32_t **pptable_info_array,
49 	const uint32_t *pptable_array,
50 	uint32_t power_saving_clock_count)
51 {
52 	uint32_t array_size, i;
53 	uint32_t *table;
54 
55 	array_size = sizeof(uint32_t) * power_saving_clock_count;
56 	table = kzalloc(array_size, GFP_KERNEL);
57 	if (NULL == table)
58 		return -ENOMEM;
59 
60 	for (i = 0; i < power_saving_clock_count; i++)
61 		table[i] = le32_to_cpu(pptable_array[i]);
62 
63 	*pptable_info_array = table;
64 
65 	return 0;
66 }
67 
phm_copy_overdrive_settings_limits_array(struct pp_hwmgr * hwmgr,uint32_t ** pptable_info_array,const uint32_t * pptable_array,uint32_t od_setting_count)68 int phm_copy_overdrive_settings_limits_array(
69 	struct pp_hwmgr *hwmgr,
70 	uint32_t **pptable_info_array,
71 	const uint32_t *pptable_array,
72 	uint32_t od_setting_count)
73 {
74 	uint32_t array_size, i;
75 	uint32_t *table;
76 
77 	array_size = sizeof(uint32_t) * od_setting_count;
78 	table = kzalloc(array_size, GFP_KERNEL);
79 	if (NULL == table)
80 		return -ENOMEM;
81 
82 	for (i = 0; i < od_setting_count; i++)
83 		table[i] = le32_to_cpu(pptable_array[i]);
84 
85 	*pptable_info_array = table;
86 
87 	return 0;
88 }
89 
phm_set_field_to_u32(u32 offset,u32 original_data,u32 field,u32 size)90 uint32_t phm_set_field_to_u32(u32 offset, u32 original_data, u32 field, u32 size)
91 {
92 	u32 mask = 0;
93 	u32 shift = 0;
94 
95 	shift = (offset % 4) << 3;
96 	if (size == sizeof(uint8_t))
97 		mask = 0xFF << shift;
98 	else if (size == sizeof(uint16_t))
99 		mask = 0xFFFF << shift;
100 
101 	original_data &= ~mask;
102 	original_data |= (field << shift);
103 	return original_data;
104 }
105 
106 /*
107  * Returns once the part of the register indicated by the mask has
108  * reached the given value.
109  */
phm_wait_on_register(struct pp_hwmgr * hwmgr,uint32_t index,uint32_t value,uint32_t mask)110 int phm_wait_on_register(struct pp_hwmgr *hwmgr, uint32_t index,
111 			 uint32_t value, uint32_t mask)
112 {
113 	uint32_t i;
114 	uint32_t cur_value;
115 
116 	if (hwmgr == NULL || hwmgr->device == NULL) {
117 		pr_err("Invalid Hardware Manager!");
118 		return -EINVAL;
119 	}
120 
121 	for (i = 0; i < hwmgr->usec_timeout; i++) {
122 		cur_value = cgs_read_register(hwmgr->device, index);
123 		if ((cur_value & mask) == (value & mask))
124 			break;
125 		udelay(1);
126 	}
127 
128 	/* timeout means wrong logic*/
129 	if (i == hwmgr->usec_timeout)
130 		return -1;
131 	return 0;
132 }
133 
134 
135 /*
136  * Returns once the part of the register indicated by the mask has
137  * reached the given value.The indirect space is described by giving
138  * the memory-mapped index of the indirect index register.
139  */
phm_wait_on_indirect_register(struct pp_hwmgr * hwmgr,uint32_t indirect_port,uint32_t index,uint32_t value,uint32_t mask)140 int phm_wait_on_indirect_register(struct pp_hwmgr *hwmgr,
141 				uint32_t indirect_port,
142 				uint32_t index,
143 				uint32_t value,
144 				uint32_t mask)
145 {
146 	if (hwmgr == NULL || hwmgr->device == NULL) {
147 		pr_err("Invalid Hardware Manager!");
148 		return -EINVAL;
149 	}
150 
151 	cgs_write_register(hwmgr->device, indirect_port, index);
152 	return phm_wait_on_register(hwmgr, indirect_port + 1, mask, value);
153 }
154 
phm_wait_for_register_unequal(struct pp_hwmgr * hwmgr,uint32_t index,uint32_t value,uint32_t mask)155 int phm_wait_for_register_unequal(struct pp_hwmgr *hwmgr,
156 					uint32_t index,
157 					uint32_t value, uint32_t mask)
158 {
159 	uint32_t i;
160 	uint32_t cur_value;
161 
162 	if (hwmgr == NULL || hwmgr->device == NULL)
163 		return -EINVAL;
164 
165 	for (i = 0; i < hwmgr->usec_timeout; i++) {
166 		cur_value = cgs_read_register(hwmgr->device,
167 									index);
168 		if ((cur_value & mask) != (value & mask))
169 			break;
170 		udelay(1);
171 	}
172 
173 	/* timeout means wrong logic */
174 	if (i == hwmgr->usec_timeout)
175 		return -ETIME;
176 	return 0;
177 }
178 
phm_wait_for_indirect_register_unequal(struct pp_hwmgr * hwmgr,uint32_t indirect_port,uint32_t index,uint32_t value,uint32_t mask)179 int phm_wait_for_indirect_register_unequal(struct pp_hwmgr *hwmgr,
180 						uint32_t indirect_port,
181 						uint32_t index,
182 						uint32_t value,
183 						uint32_t mask)
184 {
185 	if (hwmgr == NULL || hwmgr->device == NULL)
186 		return -EINVAL;
187 
188 	cgs_write_register(hwmgr->device, indirect_port, index);
189 	return phm_wait_for_register_unequal(hwmgr, indirect_port + 1,
190 						value, mask);
191 }
192 
phm_cf_want_uvd_power_gating(struct pp_hwmgr * hwmgr)193 bool phm_cf_want_uvd_power_gating(struct pp_hwmgr *hwmgr)
194 {
195 	return phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDPowerGating);
196 }
197 
phm_cf_want_vce_power_gating(struct pp_hwmgr * hwmgr)198 bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr)
199 {
200 	return phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEPowerGating);
201 }
202 
203 
phm_trim_voltage_table(struct pp_atomctrl_voltage_table * vol_table)204 int phm_trim_voltage_table(struct pp_atomctrl_voltage_table *vol_table)
205 {
206 	uint32_t i, j;
207 	uint16_t vvalue;
208 	bool found = false;
209 	struct pp_atomctrl_voltage_table *table;
210 
211 	PP_ASSERT_WITH_CODE((NULL != vol_table),
212 			"Voltage Table empty.", return -EINVAL);
213 
214 	table = kzalloc(sizeof(struct pp_atomctrl_voltage_table),
215 			GFP_KERNEL);
216 
217 	if (NULL == table)
218 		return -EINVAL;
219 
220 	table->mask_low = vol_table->mask_low;
221 	table->phase_delay = vol_table->phase_delay;
222 
223 	for (i = 0; i < vol_table->count; i++) {
224 		vvalue = vol_table->entries[i].value;
225 		found = false;
226 
227 		for (j = 0; j < table->count; j++) {
228 			if (vvalue == table->entries[j].value) {
229 				found = true;
230 				break;
231 			}
232 		}
233 
234 		if (!found) {
235 			table->entries[table->count].value = vvalue;
236 			table->entries[table->count].smio_low =
237 					vol_table->entries[i].smio_low;
238 			table->count++;
239 		}
240 	}
241 
242 	memcpy(vol_table, table, sizeof(struct pp_atomctrl_voltage_table));
243 	kfree(table);
244 	table = NULL;
245 	return 0;
246 }
247 
phm_get_svi2_mvdd_voltage_table(struct pp_atomctrl_voltage_table * vol_table,phm_ppt_v1_clock_voltage_dependency_table * dep_table)248 int phm_get_svi2_mvdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table,
249 		phm_ppt_v1_clock_voltage_dependency_table *dep_table)
250 {
251 	uint32_t i;
252 	int result;
253 
254 	PP_ASSERT_WITH_CODE((0 != dep_table->count),
255 			"Voltage Dependency Table empty.", return -EINVAL);
256 
257 	PP_ASSERT_WITH_CODE((NULL != vol_table),
258 			"vol_table empty.", return -EINVAL);
259 
260 	vol_table->mask_low = 0;
261 	vol_table->phase_delay = 0;
262 	vol_table->count = dep_table->count;
263 
264 	for (i = 0; i < dep_table->count; i++) {
265 		vol_table->entries[i].value = dep_table->entries[i].mvdd;
266 		vol_table->entries[i].smio_low = 0;
267 	}
268 
269 	result = phm_trim_voltage_table(vol_table);
270 	PP_ASSERT_WITH_CODE((0 == result),
271 			"Failed to trim MVDD table.", return result);
272 
273 	return 0;
274 }
275 
phm_get_svi2_vddci_voltage_table(struct pp_atomctrl_voltage_table * vol_table,phm_ppt_v1_clock_voltage_dependency_table * dep_table)276 int phm_get_svi2_vddci_voltage_table(struct pp_atomctrl_voltage_table *vol_table,
277 		phm_ppt_v1_clock_voltage_dependency_table *dep_table)
278 {
279 	uint32_t i;
280 	int result;
281 
282 	PP_ASSERT_WITH_CODE((0 != dep_table->count),
283 			"Voltage Dependency Table empty.", return -EINVAL);
284 
285 	PP_ASSERT_WITH_CODE((NULL != vol_table),
286 			"vol_table empty.", return -EINVAL);
287 
288 	vol_table->mask_low = 0;
289 	vol_table->phase_delay = 0;
290 	vol_table->count = dep_table->count;
291 
292 	for (i = 0; i < dep_table->count; i++) {
293 		vol_table->entries[i].value = dep_table->entries[i].vddci;
294 		vol_table->entries[i].smio_low = 0;
295 	}
296 
297 	result = phm_trim_voltage_table(vol_table);
298 	PP_ASSERT_WITH_CODE((0 == result),
299 			"Failed to trim VDDCI table.", return result);
300 
301 	return 0;
302 }
303 
phm_get_svi2_vdd_voltage_table(struct pp_atomctrl_voltage_table * vol_table,phm_ppt_v1_voltage_lookup_table * lookup_table)304 int phm_get_svi2_vdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table,
305 		phm_ppt_v1_voltage_lookup_table *lookup_table)
306 {
307 	int i = 0;
308 
309 	PP_ASSERT_WITH_CODE((0 != lookup_table->count),
310 			"Voltage Lookup Table empty.", return -EINVAL);
311 
312 	PP_ASSERT_WITH_CODE((NULL != vol_table),
313 			"vol_table empty.", return -EINVAL);
314 
315 	vol_table->mask_low = 0;
316 	vol_table->phase_delay = 0;
317 
318 	vol_table->count = lookup_table->count;
319 
320 	for (i = 0; i < vol_table->count; i++) {
321 		vol_table->entries[i].value = lookup_table->entries[i].us_vdd;
322 		vol_table->entries[i].smio_low = 0;
323 	}
324 
325 	return 0;
326 }
327 
phm_trim_voltage_table_to_fit_state_table(uint32_t max_vol_steps,struct pp_atomctrl_voltage_table * vol_table)328 void phm_trim_voltage_table_to_fit_state_table(uint32_t max_vol_steps,
329 				struct pp_atomctrl_voltage_table *vol_table)
330 {
331 	unsigned int i, diff;
332 
333 	if (vol_table->count <= max_vol_steps)
334 		return;
335 
336 	diff = vol_table->count - max_vol_steps;
337 
338 	for (i = 0; i < max_vol_steps; i++)
339 		vol_table->entries[i] = vol_table->entries[i + diff];
340 
341 	vol_table->count = max_vol_steps;
342 
343 	return;
344 }
345 
phm_reset_single_dpm_table(void * table,uint32_t count,int max)346 int phm_reset_single_dpm_table(void *table,
347 				uint32_t count, int max)
348 {
349 	int i;
350 
351 	struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table;
352 
353 	dpm_table->count = count > max ? max : count;
354 
355 	for (i = 0; i < dpm_table->count; i++)
356 		dpm_table->dpm_level[i].enabled = false;
357 
358 	return 0;
359 }
360 
phm_setup_pcie_table_entry(void * table,uint32_t index,uint32_t pcie_gen,uint32_t pcie_lanes)361 void phm_setup_pcie_table_entry(
362 	void *table,
363 	uint32_t index, uint32_t pcie_gen,
364 	uint32_t pcie_lanes)
365 {
366 	struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table;
367 	dpm_table->dpm_level[index].value = pcie_gen;
368 	dpm_table->dpm_level[index].param1 = pcie_lanes;
369 	dpm_table->dpm_level[index].enabled = 1;
370 }
371 
phm_get_dpm_level_enable_mask_value(void * table)372 int32_t phm_get_dpm_level_enable_mask_value(void *table)
373 {
374 	int32_t i;
375 	int32_t mask = 0;
376 	struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table;
377 
378 	for (i = dpm_table->count; i > 0; i--) {
379 		mask = mask << 1;
380 		if (dpm_table->dpm_level[i - 1].enabled)
381 			mask |= 0x1;
382 		else
383 			mask &= 0xFFFFFFFE;
384 	}
385 
386 	return mask;
387 }
388 
phm_get_voltage_index(struct phm_ppt_v1_voltage_lookup_table * lookup_table,uint16_t voltage)389 uint8_t phm_get_voltage_index(
390 		struct phm_ppt_v1_voltage_lookup_table *lookup_table, uint16_t voltage)
391 {
392 	uint8_t count = (uint8_t) (lookup_table->count);
393 	uint8_t i;
394 
395 	PP_ASSERT_WITH_CODE((NULL != lookup_table),
396 			"Lookup Table empty.", return 0);
397 	PP_ASSERT_WITH_CODE((0 != count),
398 			"Lookup Table empty.", return 0);
399 
400 	for (i = 0; i < lookup_table->count; i++) {
401 		/* find first voltage equal or bigger than requested */
402 		if (lookup_table->entries[i].us_vdd >= voltage)
403 			return i;
404 	}
405 	/* voltage is bigger than max voltage in the table */
406 	return i - 1;
407 }
408 
phm_get_voltage_id(pp_atomctrl_voltage_table * voltage_table,uint32_t voltage)409 uint8_t phm_get_voltage_id(pp_atomctrl_voltage_table *voltage_table,
410 		uint32_t voltage)
411 {
412 	uint8_t count = (uint8_t) (voltage_table->count);
413 	uint8_t i = 0;
414 
415 	PP_ASSERT_WITH_CODE((NULL != voltage_table),
416 		"Voltage Table empty.", return 0;);
417 	PP_ASSERT_WITH_CODE((0 != count),
418 		"Voltage Table empty.", return 0;);
419 
420 	for (i = 0; i < count; i++) {
421 		/* find first voltage bigger than requested */
422 		if (voltage_table->entries[i].value >= voltage)
423 			return i;
424 	}
425 
426 	/* voltage is bigger than max voltage in the table */
427 	return i - 1;
428 }
429 
phm_find_closest_vddci(struct pp_atomctrl_voltage_table * vddci_table,uint16_t vddci)430 uint16_t phm_find_closest_vddci(struct pp_atomctrl_voltage_table *vddci_table, uint16_t vddci)
431 {
432 	uint32_t  i;
433 
434 	for (i = 0; i < vddci_table->count; i++) {
435 		if (vddci_table->entries[i].value >= vddci)
436 			return vddci_table->entries[i].value;
437 	}
438 
439 	pr_debug("vddci is larger than max value in vddci_table\n");
440 	return vddci_table->entries[i-1].value;
441 }
442 
phm_find_boot_level(void * table,uint32_t value,uint32_t * boot_level)443 int phm_find_boot_level(void *table,
444 		uint32_t value, uint32_t *boot_level)
445 {
446 	int result = -EINVAL;
447 	uint32_t i;
448 	struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table;
449 
450 	for (i = 0; i < dpm_table->count; i++) {
451 		if (value == dpm_table->dpm_level[i].value) {
452 			*boot_level = i;
453 			result = 0;
454 		}
455 	}
456 
457 	return result;
458 }
459 
phm_get_sclk_for_voltage_evv(struct pp_hwmgr * hwmgr,phm_ppt_v1_voltage_lookup_table * lookup_table,uint16_t virtual_voltage_id,int32_t * sclk)460 int phm_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr,
461 	phm_ppt_v1_voltage_lookup_table *lookup_table,
462 	uint16_t virtual_voltage_id, int32_t *sclk)
463 {
464 	uint8_t entry_id;
465 	uint8_t voltage_id;
466 	struct phm_ppt_v1_information *table_info =
467 			(struct phm_ppt_v1_information *)(hwmgr->pptable);
468 
469 	PP_ASSERT_WITH_CODE(lookup_table->count != 0, "Lookup table is empty", return -EINVAL);
470 
471 	/* search for leakage voltage ID 0xff01 ~ 0xff08 and sckl */
472 	for (entry_id = 0; entry_id < table_info->vdd_dep_on_sclk->count; entry_id++) {
473 		voltage_id = table_info->vdd_dep_on_sclk->entries[entry_id].vddInd;
474 		if (lookup_table->entries[voltage_id].us_vdd == virtual_voltage_id)
475 			break;
476 	}
477 
478 	if (entry_id >= table_info->vdd_dep_on_sclk->count) {
479 		pr_debug("Can't find requested voltage id in vdd_dep_on_sclk table\n");
480 		return -EINVAL;
481 	}
482 
483 	*sclk = table_info->vdd_dep_on_sclk->entries[entry_id].clk;
484 
485 	return 0;
486 }
487 
488 /**
489  * phm_initializa_dynamic_state_adjustment_rule_settings - Initialize Dynamic State Adjustment Rule Settings
490  *
491  * @hwmgr:  the address of the powerplay hardware manager.
492  */
phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr * hwmgr)493 int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr)
494 {
495 	struct phm_clock_voltage_dependency_table *table_clk_vlt;
496 	struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
497 
498 	/* initialize vddc_dep_on_dal_pwrl table */
499 	table_clk_vlt = kzalloc(struct_size(table_clk_vlt, entries, 4),
500 				GFP_KERNEL);
501 
502 	if (NULL == table_clk_vlt) {
503 		pr_err("Can not allocate space for vddc_dep_on_dal_pwrl! \n");
504 		return -ENOMEM;
505 	} else {
506 		table_clk_vlt->count = 4;
507 		table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_ULTRALOW;
508 		if (hwmgr->chip_id >= CHIP_POLARIS10 &&
509 		    hwmgr->chip_id <= CHIP_VEGAM)
510 			table_clk_vlt->entries[0].v = 700;
511 		else
512 			table_clk_vlt->entries[0].v = 0;
513 		table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_LOW;
514 		if (hwmgr->chip_id >= CHIP_POLARIS10 &&
515 		    hwmgr->chip_id <= CHIP_VEGAM)
516 			table_clk_vlt->entries[1].v = 740;
517 		else
518 			table_clk_vlt->entries[1].v = 720;
519 		table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_NOMINAL;
520 		if (hwmgr->chip_id >= CHIP_POLARIS10 &&
521 		    hwmgr->chip_id <= CHIP_VEGAM)
522 			table_clk_vlt->entries[2].v = 800;
523 		else
524 			table_clk_vlt->entries[2].v = 810;
525 		table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE;
526 		table_clk_vlt->entries[3].v = 900;
527 		if (pptable_info != NULL)
528 			pptable_info->vddc_dep_on_dal_pwrl = table_clk_vlt;
529 		hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt;
530 	}
531 
532 	return 0;
533 }
534 
phm_get_lowest_enabled_level(struct pp_hwmgr * hwmgr,uint32_t mask)535 uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask)
536 {
537 	uint32_t level = 0;
538 
539 	while (0 == (mask & (1 << level)))
540 		level++;
541 
542 	return level;
543 }
544 
phm_apply_dal_min_voltage_request(struct pp_hwmgr * hwmgr)545 void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr)
546 {
547 	struct phm_ppt_v1_information *table_info =
548 			(struct phm_ppt_v1_information *)hwmgr->pptable;
549 	struct phm_clock_voltage_dependency_table *table =
550 				table_info->vddc_dep_on_dal_pwrl;
551 	struct phm_ppt_v1_clock_voltage_dependency_table *vddc_table;
552 	enum PP_DAL_POWERLEVEL dal_power_level = hwmgr->dal_power_level;
553 	uint32_t req_vddc = 0, req_volt, i;
554 
555 	if (!table || table->count <= 0
556 		|| dal_power_level < PP_DAL_POWERLEVEL_ULTRALOW
557 		|| dal_power_level > PP_DAL_POWERLEVEL_PERFORMANCE)
558 		return;
559 
560 	for (i = 0; i < table->count; i++) {
561 		if (dal_power_level == table->entries[i].clk) {
562 			req_vddc = table->entries[i].v;
563 			break;
564 		}
565 	}
566 
567 	vddc_table = table_info->vdd_dep_on_sclk;
568 	for (i = 0; i < vddc_table->count; i++) {
569 		if (req_vddc <= vddc_table->entries[i].vddc) {
570 			req_volt = (((uint32_t)vddc_table->entries[i].vddc) * VOLTAGE_SCALE);
571 			smum_send_msg_to_smc_with_parameter(hwmgr,
572 					PPSMC_MSG_VddC_Request,
573 					req_volt,
574 					NULL);
575 			return;
576 		}
577 	}
578 	pr_err("DAL requested level can not"
579 			" found a available voltage in VDDC DPM Table \n");
580 }
581 
phm_get_voltage_evv_on_sclk(struct pp_hwmgr * hwmgr,uint8_t voltage_type,uint32_t sclk,uint16_t id,uint16_t * voltage)582 int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
583 				uint32_t sclk, uint16_t id, uint16_t *voltage)
584 {
585 	uint32_t vol;
586 	int ret = 0;
587 
588 	if (hwmgr->chip_id < CHIP_TONGA) {
589 		ret = atomctrl_get_voltage_evv(hwmgr, id, voltage);
590 	} else if (hwmgr->chip_id < CHIP_POLARIS10) {
591 		ret = atomctrl_get_voltage_evv_on_sclk(hwmgr, voltage_type, sclk, id, voltage);
592 		if (*voltage >= 2000 || *voltage == 0)
593 			*voltage = 1150;
594 	} else {
595 		ret = atomctrl_get_voltage_evv_on_sclk_ai(hwmgr, voltage_type, sclk, id, &vol);
596 		*voltage = (uint16_t)(vol/100);
597 	}
598 	return ret;
599 }
600 
601 
phm_irq_process(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)602 int phm_irq_process(struct amdgpu_device *adev,
603 			   struct amdgpu_irq_src *source,
604 			   struct amdgpu_iv_entry *entry)
605 {
606 	uint32_t client_id = entry->client_id;
607 	uint32_t src_id = entry->src_id;
608 
609 	if (client_id == AMDGPU_IRQ_CLIENTID_LEGACY) {
610 		if (src_id == VISLANDS30_IV_SRCID_CG_TSS_THERMAL_LOW_TO_HIGH) {
611 			dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
612 			/*
613 			 * SW CTF just occurred.
614 			 * Try to do a graceful shutdown to prevent further damage.
615 			 */
616 			dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
617 			orderly_poweroff(true);
618 		} else if (src_id == VISLANDS30_IV_SRCID_CG_TSS_THERMAL_HIGH_TO_LOW)
619 			dev_emerg(adev->dev, "ERROR: GPU under temperature range detected!\n");
620 		else if (src_id == VISLANDS30_IV_SRCID_GPIO_19) {
621 			dev_emerg(adev->dev, "ERROR: GPU HW Critical Temperature Fault(aka CTF) detected!\n");
622 			/*
623 			 * HW CTF just occurred. Shutdown to prevent further damage.
624 			 */
625 			dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU HW CTF!\n");
626 			orderly_poweroff(true);
627 		}
628 	} else if (client_id == SOC15_IH_CLIENTID_THM) {
629 		if (src_id == 0) {
630 			dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
631 			/*
632 			 * SW CTF just occurred.
633 			 * Try to do a graceful shutdown to prevent further damage.
634 			 */
635 			dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
636 			orderly_poweroff(true);
637 		} else
638 			dev_emerg(adev->dev, "ERROR: GPU under temperature range detected!\n");
639 	} else if (client_id == SOC15_IH_CLIENTID_ROM_SMUIO) {
640 		dev_emerg(adev->dev, "ERROR: GPU HW Critical Temperature Fault(aka CTF) detected!\n");
641 		/*
642 		 * HW CTF just occurred. Shutdown to prevent further damage.
643 		 */
644 		dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU HW CTF!\n");
645 		orderly_poweroff(true);
646 	}
647 
648 	return 0;
649 }
650 
651 static const struct amdgpu_irq_src_funcs smu9_irq_funcs = {
652 	.process = phm_irq_process,
653 };
654 
smu9_register_irq_handlers(struct pp_hwmgr * hwmgr)655 int smu9_register_irq_handlers(struct pp_hwmgr *hwmgr)
656 {
657 	struct amdgpu_irq_src *source =
658 		kzalloc(sizeof(struct amdgpu_irq_src), GFP_KERNEL);
659 
660 	if (!source)
661 		return -ENOMEM;
662 
663 	source->funcs = &smu9_irq_funcs;
664 
665 	amdgpu_irq_add_id((struct amdgpu_device *)(hwmgr->adev),
666 			SOC15_IH_CLIENTID_THM,
667 			THM_9_0__SRCID__THM_DIG_THERM_L2H,
668 			source);
669 	amdgpu_irq_add_id((struct amdgpu_device *)(hwmgr->adev),
670 			SOC15_IH_CLIENTID_THM,
671 			THM_9_0__SRCID__THM_DIG_THERM_H2L,
672 			source);
673 
674 	/* Register CTF(GPIO_19) interrupt */
675 	amdgpu_irq_add_id((struct amdgpu_device *)(hwmgr->adev),
676 			SOC15_IH_CLIENTID_ROM_SMUIO,
677 			SMUIO_9_0__SRCID__SMUIO_GPIO19,
678 			source);
679 
680 	return 0;
681 }
682 
smu_atom_get_data_table(void * dev,uint32_t table,uint16_t * size,uint8_t * frev,uint8_t * crev)683 void *smu_atom_get_data_table(void *dev, uint32_t table, uint16_t *size,
684 						uint8_t *frev, uint8_t *crev)
685 {
686 	struct amdgpu_device *adev = dev;
687 	uint16_t data_start;
688 
689 	if (amdgpu_atom_parse_data_header(
690 		    adev->mode_info.atom_context, table, size,
691 		    frev, crev, &data_start))
692 		return (uint8_t *)adev->mode_info.atom_context->bios +
693 			data_start;
694 
695 	return NULL;
696 }
697 
smu_get_voltage_dependency_table_ppt_v1(const struct phm_ppt_v1_clock_voltage_dependency_table * allowed_dep_table,struct phm_ppt_v1_clock_voltage_dependency_table * dep_table)698 int smu_get_voltage_dependency_table_ppt_v1(
699 			const struct phm_ppt_v1_clock_voltage_dependency_table *allowed_dep_table,
700 			struct phm_ppt_v1_clock_voltage_dependency_table *dep_table)
701 {
702 	uint8_t i = 0;
703 	PP_ASSERT_WITH_CODE((0 != allowed_dep_table->count),
704 				"Voltage Lookup Table empty",
705 				return -EINVAL);
706 
707 	dep_table->count = allowed_dep_table->count;
708 	for (i=0; i<dep_table->count; i++) {
709 		dep_table->entries[i].clk = allowed_dep_table->entries[i].clk;
710 		dep_table->entries[i].vddInd = allowed_dep_table->entries[i].vddInd;
711 		dep_table->entries[i].vdd_offset = allowed_dep_table->entries[i].vdd_offset;
712 		dep_table->entries[i].vddc = allowed_dep_table->entries[i].vddc;
713 		dep_table->entries[i].vddgfx = allowed_dep_table->entries[i].vddgfx;
714 		dep_table->entries[i].vddci = allowed_dep_table->entries[i].vddci;
715 		dep_table->entries[i].mvdd = allowed_dep_table->entries[i].mvdd;
716 		dep_table->entries[i].phases = allowed_dep_table->entries[i].phases;
717 		dep_table->entries[i].cks_enable = allowed_dep_table->entries[i].cks_enable;
718 		dep_table->entries[i].cks_voffset = allowed_dep_table->entries[i].cks_voffset;
719 	}
720 
721 	return 0;
722 }
723 
smu_set_watermarks_for_clocks_ranges(void * wt_table,struct dm_pp_wm_sets_with_clock_ranges_soc15 * wm_with_clock_ranges)724 int smu_set_watermarks_for_clocks_ranges(void *wt_table,
725 		struct dm_pp_wm_sets_with_clock_ranges_soc15 *wm_with_clock_ranges)
726 {
727 	uint32_t i;
728 	struct watermarks *table = wt_table;
729 
730 	if (!table || !wm_with_clock_ranges)
731 		return -EINVAL;
732 
733 	if (wm_with_clock_ranges->num_wm_dmif_sets > 4 || wm_with_clock_ranges->num_wm_mcif_sets > 4)
734 		return -EINVAL;
735 
736 	for (i = 0; i < wm_with_clock_ranges->num_wm_dmif_sets; i++) {
737 		table->WatermarkRow[1][i].MinClock =
738 			cpu_to_le16((uint16_t)
739 			(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_min_dcfclk_clk_in_khz /
740 			1000));
741 		table->WatermarkRow[1][i].MaxClock =
742 			cpu_to_le16((uint16_t)
743 			(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_max_dcfclk_clk_in_khz /
744 			1000));
745 		table->WatermarkRow[1][i].MinUclk =
746 			cpu_to_le16((uint16_t)
747 			(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_min_mem_clk_in_khz /
748 			1000));
749 		table->WatermarkRow[1][i].MaxUclk =
750 			cpu_to_le16((uint16_t)
751 			(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_max_mem_clk_in_khz /
752 			1000));
753 		table->WatermarkRow[1][i].WmSetting = (uint8_t)
754 				wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_set_id;
755 	}
756 
757 	for (i = 0; i < wm_with_clock_ranges->num_wm_mcif_sets; i++) {
758 		table->WatermarkRow[0][i].MinClock =
759 			cpu_to_le16((uint16_t)
760 			(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_min_socclk_clk_in_khz /
761 			1000));
762 		table->WatermarkRow[0][i].MaxClock =
763 			cpu_to_le16((uint16_t)
764 			(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_max_socclk_clk_in_khz /
765 			1000));
766 		table->WatermarkRow[0][i].MinUclk =
767 			cpu_to_le16((uint16_t)
768 			(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_min_mem_clk_in_khz /
769 			1000));
770 		table->WatermarkRow[0][i].MaxUclk =
771 			cpu_to_le16((uint16_t)
772 			(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_max_mem_clk_in_khz /
773 			1000));
774 		table->WatermarkRow[0][i].WmSetting = (uint8_t)
775 				wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_set_id;
776 	}
777 	return 0;
778 }
779