aboutsummaryrefslogtreecommitdiffstats
path: root/include/volt
diff options
context:
space:
mode:
authorJoshua Bakita <bakitajoshua@gmail.com>2023-06-28 18:24:25 -0400
committerJoshua Bakita <bakitajoshua@gmail.com>2023-06-28 18:24:25 -0400
commit01e6fac4d61fdd7fff5433942ec93fc2ea1e4df1 (patch)
tree4ef34501728a087be24f4ba0af90f91486bf780b /include/volt
parent306a03d18b305e4e573be3b2931978fa10679eb9 (diff)
Include nvgpu headers
These are needed to build on NVIDIA's Jetson boards for the time being. Only a couple structs are required, so it should be fairly easy to remove this dependency at some point in the future.
Diffstat (limited to 'include/volt')
-rw-r--r--include/volt/volt.h39
-rw-r--r--include/volt/volt_dev.c609
-rw-r--r--include/volt/volt_dev.h77
-rw-r--r--include/volt/volt_pmu.c384
-rw-r--r--include/volt/volt_pmu.h46
-rw-r--r--include/volt/volt_policy.c513
-rw-r--r--include/volt/volt_policy.h80
-rw-r--r--include/volt/volt_rail.c485
-rw-r--r--include/volt/volt_rail.h90
9 files changed, 2323 insertions, 0 deletions
diff --git a/include/volt/volt.h b/include/volt/volt.h
new file mode 100644
index 0000000..8b4895f
--- /dev/null
+++ b/include/volt/volt.h
@@ -0,0 +1,39 @@
1/*
2* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21*/
22
23#ifndef NVGPU_VOLT_H
24#define NVGPU_VOLT_H
25
26#include "volt_rail.h"
27#include "volt_dev.h"
28#include "volt_policy.h"
29#include "volt_pmu.h"
30
31#define VOLTAGE_DESCRIPTOR_TABLE_ENTRY_INVALID 0xFF
32
33struct obj_volt {
34 struct voltage_rail_metadata volt_rail_metadata;
35 struct voltage_device_metadata volt_dev_metadata;
36 struct voltage_policy_metadata volt_policy_metadata;
37};
38
39#endif /* NVGPU_VOLT_H */
diff --git a/include/volt/volt_dev.c b/include/volt/volt_dev.c
new file mode 100644
index 0000000..bb5d182
--- /dev/null
+++ b/include/volt/volt_dev.c
@@ -0,0 +1,609 @@
1/*
2 * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#include <nvgpu/types.h>
24#include <nvgpu/sort.h>
25#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
26#include <nvgpu/bios.h>
27#include <nvgpu/kmem.h>
28#include <nvgpu/gk20a.h>
29
30#include "gp106/bios_gp106.h"
31
32#include "boardobj/boardobjgrp.h"
33#include "boardobj/boardobjgrp_e32.h"
34#include "ctrl/ctrlvolt.h"
35
36#include "volt.h"
37
38#define VOLT_DEV_PWM_VOLTAGE_STEPS_INVALID 0U
39#define VOLT_DEV_PWM_VOLTAGE_STEPS_DEFAULT 1U
40
41static int volt_device_pmu_data_init_super(struct gk20a *g,
42 struct boardobj *pboard_obj, struct nv_pmu_boardobj *ppmudata)
43{
44 int status;
45 struct voltage_device *pdev;
46 struct nv_pmu_volt_volt_device_boardobj_set *pset;
47
48 status = boardobj_pmudatainit_super(g, pboard_obj, ppmudata);
49 if (status) {
50 return status;
51 }
52
53 pdev = (struct voltage_device *)pboard_obj;
54 pset = (struct nv_pmu_volt_volt_device_boardobj_set *)ppmudata;
55
56 pset->switch_delay_us = pdev->switch_delay_us;
57 pset->voltage_min_uv = pdev->voltage_min_uv;
58 pset->voltage_max_uv = pdev->voltage_max_uv;
59 pset->volt_step_uv = pdev->volt_step_uv;
60
61 return status;
62}
63
64static int volt_device_pmu_data_init_pwm(struct gk20a *g,
65 struct boardobj *pboard_obj, struct nv_pmu_boardobj *ppmudata)
66{
67 int status = 0;
68 struct voltage_device_pwm *pdev;
69 struct nv_pmu_volt_volt_device_pwm_boardobj_set *pset;
70
71 status = volt_device_pmu_data_init_super(g, pboard_obj, ppmudata);
72 if (status) {
73 return status;
74 }
75
76 pdev = (struct voltage_device_pwm *)pboard_obj;
77 pset = (struct nv_pmu_volt_volt_device_pwm_boardobj_set *)ppmudata;
78
79 pset->raw_period = pdev->raw_period;
80 pset->voltage_base_uv = pdev->voltage_base_uv;
81 pset->voltage_offset_scale_uv = pdev->voltage_offset_scale_uv;
82 pset->pwm_source = pdev->source;
83
84 return status;
85}
86
87static int construct_volt_device(struct gk20a *g,
88 struct boardobj **ppboardobj, u16 size, void *pargs)
89{
90 struct voltage_device *ptmp_dev = (struct voltage_device *)pargs;
91 struct voltage_device *pvolt_dev = NULL;
92 int status = 0;
93
94 status = boardobj_construct_super(g, ppboardobj, size, pargs);
95 if (status) {
96 return status;
97 }
98
99 pvolt_dev = (struct voltage_device *)*ppboardobj;
100
101 pvolt_dev->volt_domain = ptmp_dev->volt_domain;
102 pvolt_dev->i2c_dev_idx = ptmp_dev->i2c_dev_idx;
103 pvolt_dev->switch_delay_us = ptmp_dev->switch_delay_us;
104 pvolt_dev->rsvd_0 = VOLTAGE_DESCRIPTOR_TABLE_ENTRY_INVALID;
105 pvolt_dev->rsvd_1 =
106 VOLTAGE_DESCRIPTOR_TABLE_ENTRY_INVALID;
107 pvolt_dev->operation_type = ptmp_dev->operation_type;
108 pvolt_dev->voltage_min_uv = ptmp_dev->voltage_min_uv;
109 pvolt_dev->voltage_max_uv = ptmp_dev->voltage_max_uv;
110
111 pvolt_dev->super.pmudatainit = volt_device_pmu_data_init_super;
112
113 return status;
114}
115
116static int construct_pwm_volt_device(struct gk20a *g,
117 struct boardobj **ppboardobj,
118 u16 size, void *pargs)
119{
120 struct boardobj *pboard_obj = NULL;
121 struct voltage_device_pwm *ptmp_dev =
122 (struct voltage_device_pwm *)pargs;
123 struct voltage_device_pwm *pdev = NULL;
124 int status = 0;
125
126 status = construct_volt_device(g, ppboardobj, size, pargs);
127 if (status) {
128 return status;
129 }
130
131 pboard_obj = (*ppboardobj);
132 pdev = (struct voltage_device_pwm *)*ppboardobj;
133
134 pboard_obj->pmudatainit = volt_device_pmu_data_init_pwm;
135
136 /* Set VOLTAGE_DEVICE_PWM-specific parameters */
137 pdev->voltage_base_uv = ptmp_dev->voltage_base_uv;
138 pdev->voltage_offset_scale_uv = ptmp_dev->voltage_offset_scale_uv;
139 pdev->source = ptmp_dev->source;
140 pdev->raw_period = ptmp_dev->raw_period;
141
142 return status;
143}
144
145
146static struct voltage_device_entry *volt_dev_construct_dev_entry_pwm(
147 struct gk20a *g,
148 u32 voltage_uv, void *pargs)
149{
150 struct voltage_device_pwm_entry *pentry = NULL;
151 struct voltage_device_pwm_entry *ptmp_entry =
152 (struct voltage_device_pwm_entry *)pargs;
153
154 pentry = nvgpu_kzalloc(g, sizeof(struct voltage_device_pwm_entry));
155 if (pentry == NULL) {
156 return NULL;
157 }
158
159 memset(pentry, 0, sizeof(struct voltage_device_pwm_entry));
160
161 pentry->super.voltage_uv = voltage_uv;
162 pentry->duty_cycle = ptmp_entry->duty_cycle;
163
164 return (struct voltage_device_entry *)pentry;
165}
166
167static u8 volt_dev_operation_type_convert(u8 vbios_type)
168{
169 switch (vbios_type) {
170 case NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_DEFAULT:
171 return CTRL_VOLT_DEVICE_OPERATION_TYPE_DEFAULT;
172
173 case NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_LPWR_STEADY_STATE:
174 return CTRL_VOLT_DEVICE_OPERATION_TYPE_LPWR_STEADY_STATE;
175
176 case NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE_LPWR_SLEEP_STATE:
177 return CTRL_VOLT_DEVICE_OPERATION_TYPE_LPWR_SLEEP_STATE;
178 }
179
180 return CTRL_VOLT_DEVICE_OPERATION_TYPE_INVALID;
181}
182
183static struct voltage_device *volt_volt_device_construct(struct gk20a *g,
184 void *pargs)
185{
186 struct boardobj *pboard_obj = NULL;
187
188 if (BOARDOBJ_GET_TYPE(pargs) == CTRL_VOLT_DEVICE_TYPE_PWM) {
189 int status = construct_pwm_volt_device(g, &pboard_obj,
190 sizeof(struct voltage_device_pwm), pargs);
191 if (status) {
192 nvgpu_err(g,
193 " Could not allocate memory for VOLTAGE_DEVICE type (%x).",
194 BOARDOBJ_GET_TYPE(pargs));
195 pboard_obj = NULL;
196 }
197 }
198
199 return (struct voltage_device *)pboard_obj;
200}
201
202static int volt_get_voltage_device_table_1x_psv(struct gk20a *g,
203 struct vbios_voltage_device_table_1x_entry *p_bios_entry,
204 struct voltage_device_metadata *p_Volt_Device_Meta_Data,
205 u8 entry_Idx)
206{
207 int status = 0;
208 u32 entry_cnt = 0;
209 struct voltage_device *pvolt_dev = NULL;
210 struct voltage_device_pwm *pvolt_dev_pwm = NULL;
211 struct voltage_device_pwm *ptmp_dev = NULL;
212 u32 duty_cycle;
213 u32 frequency_hz;
214 u32 voltage_uv;
215 u8 ext_dev_idx;
216 u8 steps;
217 u8 volt_domain = 0;
218 struct voltage_device_pwm_entry pwm_entry = { { 0 } };
219
220 ptmp_dev = nvgpu_kzalloc(g, sizeof(struct voltage_device_pwm));
221 if (ptmp_dev == NULL) {
222 return -ENOMEM;
223 }
224
225 frequency_hz = (u32)BIOS_GET_FIELD(p_bios_entry->param0,
226 NV_VBIOS_VDT_1X_ENTRY_PARAM0_PSV_INPUT_FREQUENCY);
227
228 ext_dev_idx = (u8)BIOS_GET_FIELD(p_bios_entry->param0,
229 NV_VBIOS_VDT_1X_ENTRY_PARAM0_PSV_EXT_DEVICE_INDEX);
230
231 ptmp_dev->super.operation_type = volt_dev_operation_type_convert(
232 (u8)BIOS_GET_FIELD(p_bios_entry->param1,
233 NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_OPERATION_TYPE));
234
235 if (ptmp_dev->super.operation_type ==
236 CTRL_VOLT_DEVICE_OPERATION_TYPE_INVALID) {
237 nvgpu_err(g, " Invalid Voltage Device Operation Type.");
238
239 status = -EINVAL;
240 goto done;
241 }
242
243 ptmp_dev->super.voltage_min_uv =
244 (u32)BIOS_GET_FIELD(p_bios_entry->param1,
245 NV_VBIOS_VDT_1X_ENTRY_PARAM1_PSV_VOLTAGE_MINIMUM);
246
247 ptmp_dev->super.voltage_max_uv =
248 (u32)BIOS_GET_FIELD(p_bios_entry->param2,
249 NV_VBIOS_VDT_1X_ENTRY_PARAM2_PSV_VOLTAGE_MAXIMUM);
250
251 ptmp_dev->voltage_base_uv = BIOS_GET_FIELD(p_bios_entry->param3,
252 NV_VBIOS_VDT_1X_ENTRY_PARAM3_PSV_VOLTAGE_BASE);
253
254 steps = (u8)BIOS_GET_FIELD(p_bios_entry->param3,
255 NV_VBIOS_VDT_1X_ENTRY_PARAM3_PSV_VOLTAGE_STEPS);
256 if (steps == VOLT_DEV_PWM_VOLTAGE_STEPS_INVALID) {
257 steps = VOLT_DEV_PWM_VOLTAGE_STEPS_DEFAULT;
258 }
259
260 ptmp_dev->voltage_offset_scale_uv =
261 BIOS_GET_FIELD(p_bios_entry->param4,
262 NV_VBIOS_VDT_1X_ENTRY_PARAM4_PSV_OFFSET_SCALE);
263
264 volt_domain = volt_rail_vbios_volt_domain_convert_to_internal(g,
265 (u8)p_bios_entry->volt_domain);
266 if (volt_domain == CTRL_VOLT_DOMAIN_INVALID) {
267 nvgpu_err(g, "invalid voltage domain = %d",
268 (u8)p_bios_entry->volt_domain);
269 status = -EINVAL;
270 goto done;
271 }
272
273 if (ptmp_dev->super.operation_type ==
274 CTRL_VOLT_DEVICE_OPERATION_TYPE_DEFAULT) {
275 if (volt_domain == CTRL_VOLT_DOMAIN_LOGIC) {
276 ptmp_dev->source =
277 NV_PMU_PMGR_PWM_SOURCE_THERM_VID_PWM_0;
278 }
279 if (volt_domain == CTRL_VOLT_DOMAIN_SRAM) {
280 ptmp_dev->source =
281 NV_PMU_PMGR_PWM_SOURCE_THERM_VID_PWM_1;
282 }
283 ptmp_dev->raw_period =
284 g->ops.clk.get_crystal_clk_hz(g) / frequency_hz;
285 } else if (ptmp_dev->super.operation_type ==
286 CTRL_VOLT_DEVICE_OPERATION_TYPE_LPWR_STEADY_STATE) {
287 ptmp_dev->source = NV_PMU_PMGR_PWM_SOURCE_RSVD_0;
288 ptmp_dev->raw_period = 0;
289 } else if (ptmp_dev->super.operation_type ==
290 CTRL_VOLT_DEVICE_OPERATION_TYPE_LPWR_SLEEP_STATE) {
291 ptmp_dev->source = NV_PMU_PMGR_PWM_SOURCE_RSVD_1;
292 ptmp_dev->raw_period = 0;
293 }
294
295 /* Initialize data for parent class. */
296 ptmp_dev->super.super.type = CTRL_VOLT_DEVICE_TYPE_PWM;
297 ptmp_dev->super.volt_domain = volt_domain;
298 ptmp_dev->super.i2c_dev_idx = ext_dev_idx;
299 ptmp_dev->super.switch_delay_us = (u16)p_bios_entry->settle_time_us;
300
301 pvolt_dev = volt_volt_device_construct(g, ptmp_dev);
302 if (pvolt_dev == NULL) {
303 nvgpu_err(g, " Failure to construct VOLTAGE_DEVICE object.");
304
305 status = -EINVAL;
306 goto done;
307 }
308
309 status = boardobjgrp_objinsert(
310 &p_Volt_Device_Meta_Data->volt_devices.super,
311 (struct boardobj *)pvolt_dev, entry_Idx);
312 if (status) {
313 nvgpu_err(g,
314 "could not add VOLTAGE_DEVICE for entry %d into boardobjgrp ",
315 entry_Idx);
316 goto done;
317 }
318
319 pvolt_dev_pwm = (struct voltage_device_pwm *)pvolt_dev;
320
321 duty_cycle = 0;
322 do {
323 voltage_uv = (u32)(pvolt_dev_pwm->voltage_base_uv +
324 (s32)((((s64)((s32)duty_cycle)) *
325 pvolt_dev_pwm->voltage_offset_scale_uv)
326 / ((s64)((s32) pvolt_dev_pwm->raw_period))));
327
328 /* Skip creating entry for invalid voltage. */
329 if ((voltage_uv >= pvolt_dev_pwm->super.voltage_min_uv) &&
330 (voltage_uv <= pvolt_dev_pwm->super.voltage_max_uv)) {
331 if (pvolt_dev_pwm->voltage_offset_scale_uv < 0) {
332 pwm_entry.duty_cycle =
333 pvolt_dev_pwm->raw_period - duty_cycle;
334 } else {
335 pwm_entry.duty_cycle = duty_cycle;
336 }
337
338 /* Check if there is room left in the voltage table. */
339 if (entry_cnt == VOLTAGE_TABLE_MAX_ENTRIES) {
340 nvgpu_err(g, "Voltage table is full");
341 status = -EINVAL;
342 goto done;
343 }
344
345 pvolt_dev->pentry[entry_cnt] =
346 volt_dev_construct_dev_entry_pwm(g,
347 voltage_uv, &pwm_entry);
348 if (pvolt_dev->pentry[entry_cnt] == NULL) {
349 nvgpu_err(g,
350 " Error creating voltage_device_pwm_entry!");
351 status = -EINVAL;
352 goto done;
353 }
354
355 entry_cnt++;
356 }
357
358 /* Obtain next value after the specified steps. */
359 duty_cycle = duty_cycle + (u32)steps;
360
361 /* Cap duty cycle to PWM period. */
362 if (duty_cycle > pvolt_dev_pwm->raw_period) {
363 duty_cycle = pvolt_dev_pwm->raw_period;
364 }
365
366 } while (duty_cycle < pvolt_dev_pwm->raw_period);
367
368done:
369 if (pvolt_dev != NULL) {
370 pvolt_dev->num_entries = entry_cnt;
371 }
372
373 nvgpu_kfree(g, ptmp_dev);
374 return status;
375}
376
377static u32 volt_get_volt_devices_table(struct gk20a *g,
378 struct voltage_device_metadata *pvolt_device_metadata)
379{
380 u32 status = 0;
381 u8 *volt_device_table_ptr = NULL;
382 struct vbios_voltage_device_table_1x_header header = { 0 };
383 struct vbios_voltage_device_table_1x_entry entry = { 0 };
384 u8 entry_idx;
385 u8 *entry_offset;
386
387 volt_device_table_ptr = (u8 *)nvgpu_bios_get_perf_table_ptrs(g,
388 g->bios.perf_token, VOLTAGE_DEVICE_TABLE);
389 if (volt_device_table_ptr == NULL) {
390 status = -EINVAL;
391 goto done;
392 }
393
394 memcpy(&header, volt_device_table_ptr,
395 sizeof(struct vbios_voltage_device_table_1x_header));
396
397 /* Read in the entries. */
398 for (entry_idx = 0; entry_idx < header.num_table_entries; entry_idx++) {
399 entry_offset = (volt_device_table_ptr + header.header_size +
400 (entry_idx * header.table_entry_size));
401
402 memcpy(&entry, entry_offset,
403 sizeof(struct vbios_voltage_device_table_1x_entry));
404
405 if (entry.type == NV_VBIOS_VOLTAGE_DEVICE_1X_ENTRY_TYPE_PSV) {
406 status = volt_get_voltage_device_table_1x_psv(g,
407 &entry, pvolt_device_metadata,
408 entry_idx);
409 }
410 }
411
412done:
413 return status;
414}
415
416static int _volt_device_devgrp_pmudata_instget(struct gk20a *g,
417 struct nv_pmu_boardobjgrp *pmuboardobjgrp,
418 struct nv_pmu_boardobj **ppboardobjpmudata, u8 idx)
419{
420 struct nv_pmu_volt_volt_device_boardobj_grp_set *pgrp_set =
421 (struct nv_pmu_volt_volt_device_boardobj_grp_set *)
422 pmuboardobjgrp;
423
424 nvgpu_log_info(g, " ");
425
426 /*check whether pmuboardobjgrp has a valid boardobj in index*/
427 if (((u32)BIT(idx) &
428 pgrp_set->hdr.data.super.obj_mask.super.data[0]) == 0U) {
429 return -EINVAL;
430 }
431
432 *ppboardobjpmudata = (struct nv_pmu_boardobj *)
433 &pgrp_set->objects[idx].data.board_obj;
434 nvgpu_log_info(g, "Done");
435 return 0;
436}
437
438static int _volt_device_devgrp_pmustatus_instget(struct gk20a *g,
439 void *pboardobjgrppmu,
440 struct nv_pmu_boardobj_query **ppboardobjpmustatus, u8 idx)
441{
442 struct nv_pmu_volt_volt_device_boardobj_grp_get_status *pgrp_get_status
443 = (struct nv_pmu_volt_volt_device_boardobj_grp_get_status *)
444 pboardobjgrppmu;
445
446 /*check whether pmuboardobjgrp has a valid boardobj in index*/
447 if (((u32)BIT(idx) &
448 pgrp_get_status->hdr.data.super.obj_mask.super.data[0]) == 0U) {
449 return -EINVAL;
450 }
451
452 *ppboardobjpmustatus = (struct nv_pmu_boardobj_query *)
453 &pgrp_get_status->objects[idx].data.board_obj;
454 return 0;
455}
456
457static int volt_device_volt_cmp(const void *a, const void *b)
458{
459 const struct voltage_device_entry *a_entry = *(const struct voltage_device_entry **)a;
460 const struct voltage_device_entry *b_entry = *(const struct voltage_device_entry **)b;
461
462 return (int)a_entry->voltage_uv - (int)b_entry->voltage_uv;
463}
464
465static u32 volt_device_state_init(struct gk20a *g,
466 struct voltage_device *pvolt_dev)
467{
468 u32 status = 0;
469 struct voltage_rail *pRail = NULL;
470 u8 rail_idx = 0;
471
472 sort(pvolt_dev->pentry, pvolt_dev->num_entries,
473 sizeof(*pvolt_dev->pentry), volt_device_volt_cmp,
474 NULL);
475
476 /* Initialize VOLT_DEVICE step size. */
477 if (pvolt_dev->num_entries <= VOLTAGE_TABLE_MAX_ENTRIES_ONE) {
478 pvolt_dev->volt_step_uv = NV_PMU_VOLT_VALUE_0V_IN_UV;
479 } else {
480 pvolt_dev->volt_step_uv = (pvolt_dev->pentry[1]->voltage_uv -
481 pvolt_dev->pentry[0]->voltage_uv);
482 }
483
484 /* Build VOLT_RAIL SW state from VOLT_DEVICE SW state. */
485 /* If VOLT_RAIL isn't supported, exit. */
486 if (VOLT_RAIL_VOLT_3X_SUPPORTED(&g->perf_pmu.volt)) {
487 rail_idx = volt_rail_volt_domain_convert_to_idx(g,
488 pvolt_dev->volt_domain);
489 if (rail_idx == CTRL_BOARDOBJ_IDX_INVALID) {
490 nvgpu_err(g,
491 " could not convert voltage domain to rail index.");
492 status = -EINVAL;
493 goto done;
494 }
495
496 pRail = VOLT_GET_VOLT_RAIL(&g->perf_pmu.volt, rail_idx);
497 if (pRail == NULL) {
498 nvgpu_err(g,
499 "could not obtain ptr to rail object from rail index");
500 status = -EINVAL;
501 goto done;
502 }
503
504 status = volt_rail_volt_dev_register(g, pRail,
505 BOARDOBJ_GET_IDX(pvolt_dev), pvolt_dev->operation_type);
506 if (status) {
507 nvgpu_err(g,
508 "Failed to register the device with rail obj");
509 goto done;
510 }
511 }
512
513done:
514 if (status) {
515 nvgpu_err(g, "Error in building rail sw state device sw");
516 }
517
518 return status;
519}
520
521int volt_dev_pmu_setup(struct gk20a *g)
522{
523 int status;
524 struct boardobjgrp *pboardobjgrp = NULL;
525
526 nvgpu_log_info(g, " ");
527
528 pboardobjgrp = &g->perf_pmu.volt.volt_dev_metadata.volt_devices.super;
529
530 if (!pboardobjgrp->bconstructed) {
531 return -EINVAL;
532 }
533
534 status = pboardobjgrp->pmuinithandle(g, pboardobjgrp);
535
536 nvgpu_log_info(g, "Done");
537 return status;
538}
539
540u32 volt_dev_sw_setup(struct gk20a *g)
541{
542 u32 status = 0;
543 struct boardobjgrp *pboardobjgrp = NULL;
544 struct voltage_device *pvolt_device;
545 u8 i;
546
547 nvgpu_log_info(g, " ");
548
549 status = boardobjgrpconstruct_e32(g,
550 &g->perf_pmu.volt.volt_dev_metadata.volt_devices);
551 if (status) {
552 nvgpu_err(g,
553 "error creating boardobjgrp for volt rail, status - 0x%x",
554 status);
555 goto done;
556 }
557
558 pboardobjgrp = &g->perf_pmu.volt.volt_dev_metadata.volt_devices.super;
559
560 pboardobjgrp->pmudatainstget = _volt_device_devgrp_pmudata_instget;
561 pboardobjgrp->pmustatusinstget = _volt_device_devgrp_pmustatus_instget;
562
563 /* Obtain Voltage Rail Table from VBIOS */
564 status = volt_get_volt_devices_table(g, &g->perf_pmu.volt.
565 volt_dev_metadata);
566 if (status) {
567 goto done;
568 }
569
570 /* Populate data for the VOLT_RAIL PMU interface */
571 BOARDOBJGRP_PMU_CONSTRUCT(pboardobjgrp, VOLT, VOLT_DEVICE);
572
573 status = BOARDOBJGRP_PMU_CMD_GRP_SET_CONSTRUCT(g, pboardobjgrp,
574 volt, VOLT, volt_device, VOLT_DEVICE);
575 if (status) {
576 nvgpu_err(g,
577 "error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x",
578 status);
579 goto done;
580 }
581
582 status = BOARDOBJGRP_PMU_CMD_GRP_GET_STATUS_CONSTRUCT(g,
583 &g->perf_pmu.volt.volt_dev_metadata.volt_devices.super,
584 volt, VOLT, volt_device, VOLT_DEVICE);
585 if (status) {
586 nvgpu_err(g,
587 "error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x",
588 status);
589 goto done;
590 }
591
592 /* update calibration to fuse */
593 BOARDOBJGRP_FOR_EACH(&(g->perf_pmu.volt.volt_dev_metadata.volt_devices.
594 super),
595 struct voltage_device *, pvolt_device, i) {
596 status = volt_device_state_init(g, pvolt_device);
597 if (status) {
598 nvgpu_err(g,
599 "failure while executing devices's state init interface");
600 nvgpu_err(g,
601 " railIdx = %d, status = 0x%x", i, status);
602 goto done;
603 }
604 }
605
606done:
607 nvgpu_log_info(g, " done status %x", status);
608 return status;
609}
diff --git a/include/volt/volt_dev.h b/include/volt/volt_dev.h
new file mode 100644
index 0000000..48d93ae
--- /dev/null
+++ b/include/volt/volt_dev.h
@@ -0,0 +1,77 @@
1/*
2* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21*/
22
23#ifndef NVGPU_VOLT_DEV_H
24#define NVGPU_VOLT_DEV_H
25
26#include "boardobj/boardobj.h"
27#include "boardobj/boardobjgrp.h"
28#include "ctrl/ctrlvolt.h"
29
30#define VOLTAGE_TABLE_MAX_ENTRIES_ONE 1U
31#define VOLTAGE_TABLE_MAX_ENTRIES 256U
32
33struct voltage_device {
34 struct boardobj super;
35 u8 volt_domain;
36 u8 i2c_dev_idx;
37 u32 switch_delay_us;
38 u32 num_entries;
39 struct voltage_device_entry *pentry[VOLTAGE_TABLE_MAX_ENTRIES];
40 struct voltage_device_entry *pcurr_entry;
41 u8 rsvd_0;
42 u8 rsvd_1;
43 u8 operation_type;
44 u32 voltage_min_uv;
45 u32 voltage_max_uv;
46 u32 volt_step_uv;
47};
48
49struct voltage_device_entry {
50 u32 voltage_uv;
51};
52
53struct voltage_device_metadata {
54 struct boardobjgrp_e32 volt_devices;
55};
56
57/*!
58 * Extends VOLTAGE_DEVICE providing attributes specific to PWM controllers.
59 */
60struct voltage_device_pwm {
61 struct voltage_device super;
62 s32 voltage_base_uv;
63 s32 voltage_offset_scale_uv;
64 enum nv_pmu_pmgr_pwm_source source;
65 u32 raw_period;
66};
67
68struct voltage_device_pwm_entry {
69 struct voltage_device_entry super;
70 u32 duty_cycle;
71};
72/* PWM end */
73
74u32 volt_dev_sw_setup(struct gk20a *g);
75int volt_dev_pmu_setup(struct gk20a *g);
76
77#endif /* NVGPU_VOLT_DEV_H */
diff --git a/include/volt/volt_pmu.c b/include/volt/volt_pmu.c
new file mode 100644
index 0000000..2249ae2
--- /dev/null
+++ b/include/volt/volt_pmu.c
@@ -0,0 +1,384 @@
1/*
2 * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#include <nvgpu/pmu.h>
24#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
25#include <nvgpu/gk20a.h>
26
27#include "boardobj/boardobjgrp.h"
28#include "boardobj/boardobjgrp_e32.h"
29#include "gp106/bios_gp106.h"
30#include "ctrl/ctrlvolt.h"
31#include "ctrl/ctrlperf.h"
32
33#include "volt.h"
34
35#define RAIL_COUNT_GP 2
36#define RAIL_COUNT_GV 1
37
38struct volt_rpc_pmucmdhandler_params {
39 struct nv_pmu_volt_rpc *prpc_call;
40 u32 success;
41};
42
43static void volt_rpc_pmucmdhandler(struct gk20a *g, struct pmu_msg *msg,
44 void *param, u32 handle, u32 status)
45{
46 struct volt_rpc_pmucmdhandler_params *phandlerparams =
47 (struct volt_rpc_pmucmdhandler_params *)param;
48
49 nvgpu_log_info(g, " ");
50
51 if (msg->msg.volt.msg_type != NV_PMU_VOLT_MSG_ID_RPC) {
52 nvgpu_err(g, "unsupported msg for VOLT RPC %x",
53 msg->msg.volt.msg_type);
54 return;
55 }
56
57 if (phandlerparams->prpc_call->b_supported) {
58 phandlerparams->success = 1;
59 }
60}
61
62
63static u32 volt_pmu_rpc_execute(struct gk20a *g,
64 struct nv_pmu_volt_rpc *prpc_call)
65{
66 struct pmu_cmd cmd;
67 struct pmu_msg msg;
68 struct pmu_payload payload;
69 u32 status = 0;
70 u32 seqdesc;
71 struct volt_rpc_pmucmdhandler_params handler;
72
73 memset(&payload, 0, sizeof(struct pmu_payload));
74 memset(&cmd, 0, sizeof(struct pmu_cmd));
75 memset(&msg, 0, sizeof(struct pmu_msg));
76 memset(&handler, 0, sizeof(struct volt_rpc_pmucmdhandler_params));
77
78 cmd.hdr.unit_id = PMU_UNIT_VOLT;
79 cmd.hdr.size = (u32)sizeof(struct nv_pmu_volt_cmd) +
80 (u32)sizeof(struct pmu_hdr);
81 cmd.cmd.volt.cmd_type = NV_PMU_VOLT_CMD_ID_RPC;
82 msg.hdr.size = sizeof(struct pmu_msg);
83
84 payload.in.buf = (u8 *)prpc_call;
85 payload.in.size = (u32)sizeof(struct nv_pmu_volt_rpc);
86 payload.in.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
87 payload.in.offset = NV_PMU_VOLT_CMD_RPC_ALLOC_OFFSET;
88
89 payload.out.buf = (u8 *)prpc_call;
90 payload.out.size = (u32)sizeof(struct nv_pmu_volt_rpc);
91 payload.out.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
92 payload.out.offset = NV_PMU_VOLT_MSG_RPC_ALLOC_OFFSET;
93
94 handler.prpc_call = prpc_call;
95 handler.success = 0;
96
97 status = nvgpu_pmu_cmd_post(g, &cmd, NULL, &payload,
98 PMU_COMMAND_QUEUE_LPQ,
99 volt_rpc_pmucmdhandler, (void *)&handler,
100 &seqdesc, ~0);
101 if (status) {
102 nvgpu_err(g, "unable to post volt RPC cmd %x",
103 cmd.cmd.volt.cmd_type);
104 goto volt_pmu_rpc_execute;
105 }
106
107 pmu_wait_message_cond(&g->pmu,
108 gk20a_get_gr_idle_timeout(g),
109 &handler.success, 1);
110
111 if (handler.success == 0U) {
112 status = -EINVAL;
113 nvgpu_err(g, "rpc call to volt failed");
114 }
115
116volt_pmu_rpc_execute:
117 return status;
118}
119
120u32 nvgpu_volt_send_load_cmd_to_pmu_gp10x(struct gk20a *g)
121{
122 struct nv_pmu_volt_rpc rpc_call = { 0 };
123 u32 status = 0;
124
125 rpc_call.function = NV_PMU_VOLT_RPC_ID_LOAD;
126
127 status = volt_pmu_rpc_execute(g, &rpc_call);
128 if (status) {
129 nvgpu_err(g,
130 "Error while executing LOAD RPC: status = 0x%08x.",
131 status);
132 }
133
134 return status;
135}
136
137u32 nvgpu_volt_send_load_cmd_to_pmu_gv10x(struct gk20a *g)
138{
139 struct nvgpu_pmu *pmu = &g->pmu;
140 struct nv_pmu_rpc_struct_volt_load rpc;
141 u32 status = 0;
142
143 memset(&rpc, 0, sizeof(struct nv_pmu_rpc_struct_volt_load));
144 PMU_RPC_EXECUTE(status, pmu, VOLT, LOAD, &rpc, 0);
145 if (status) {
146 nvgpu_err(g, "Failed to execute RPC status=0x%x",
147 status);
148 }
149
150 return status;
151}
152
153u32 nvgpu_volt_rail_get_voltage_gp10x(struct gk20a *g,
154 u8 volt_domain, u32 *pvoltage_uv)
155{
156 struct nv_pmu_volt_rpc rpc_call = { 0 };
157 u32 status = 0;
158 u8 rail_idx;
159
160 rail_idx = volt_rail_volt_domain_convert_to_idx(g, volt_domain);
161 if ((rail_idx == CTRL_VOLT_RAIL_INDEX_INVALID) ||
162 (!VOLT_RAIL_INDEX_IS_VALID(&g->perf_pmu.volt, rail_idx))) {
163 nvgpu_err(g,
164 "failed: volt_domain = %d, voltage rail table = %d.",
165 volt_domain, rail_idx);
166 return -EINVAL;
167 }
168
169 /* Set RPC parameters. */
170 rpc_call.function = NV_PMU_VOLT_RPC_ID_VOLT_RAIL_GET_VOLTAGE;
171 rpc_call.params.volt_rail_get_voltage.rail_idx = rail_idx;
172
173 /* Execute the voltage get request via PMU RPC. */
174 status = volt_pmu_rpc_execute(g, &rpc_call);
175 if (status) {
176 nvgpu_err(g,
177 "Error while executing volt_rail_get_voltage rpc");
178 return status;
179 }
180
181 /* Copy out the current voltage. */
182 *pvoltage_uv = rpc_call.params.volt_rail_get_voltage.voltage_uv;
183
184 return status;
185}
186
187u32 nvgpu_volt_rail_get_voltage_gv10x(struct gk20a *g,
188 u8 volt_domain, u32 *pvoltage_uv)
189{
190 struct nvgpu_pmu *pmu = &g->pmu;
191 struct nv_pmu_rpc_struct_volt_volt_rail_get_voltage rpc;
192 u32 status = 0;
193 u8 rail_idx;
194
195 rail_idx = volt_rail_volt_domain_convert_to_idx(g, volt_domain);
196 if ((rail_idx == CTRL_VOLT_RAIL_INDEX_INVALID) ||
197 (!VOLT_RAIL_INDEX_IS_VALID(&g->perf_pmu.volt, rail_idx))) {
198 nvgpu_err(g,
199 "failed: volt_domain = %d, voltage rail table = %d.",
200 volt_domain, rail_idx);
201 return -EINVAL;
202 }
203
204 memset(&rpc, 0,
205 sizeof(struct nv_pmu_rpc_struct_volt_volt_rail_get_voltage));
206 rpc.rail_idx = rail_idx;
207
208 PMU_RPC_EXECUTE_CPB(status, pmu, VOLT, VOLT_RAIL_GET_VOLTAGE, &rpc, 0);
209 if (status) {
210 nvgpu_err(g, "Failed to execute RPC status=0x%x",
211 status);
212 }
213
214 *pvoltage_uv = rpc.voltage_uv;
215
216 return status;
217}
218
219static u32 volt_policy_set_voltage(struct gk20a *g, u8 client_id,
220 struct ctrl_perf_volt_rail_list *prail_list)
221{
222 struct nv_pmu_volt_rpc rpc_call = { 0 };
223 struct obj_volt *pvolt = &g->perf_pmu.volt;
224 u32 status = 0;
225 u8 policy_idx = CTRL_VOLT_POLICY_INDEX_INVALID;
226 u8 i = 0;
227
228 /* Sanity check input rail list. */
229 for (i = 0; i < prail_list->num_rails; i++) {
230 if ((prail_list->rails[i].volt_domain ==
231 CTRL_VOLT_DOMAIN_INVALID) ||
232 (prail_list->rails[i].voltage_uv ==
233 NV_PMU_VOLT_VALUE_0V_IN_UV)) {
234 nvgpu_err(g, "Invalid voltage domain or target");
235 nvgpu_err(g, " client_id = %d, listEntry = %d",
236 client_id, i);
237 nvgpu_err(g, " volt_domain = %d, voltage_uv = %d uV.",
238 prail_list->rails[i].volt_domain,
239 prail_list->rails[i].voltage_uv);
240 status = -EINVAL;
241 goto exit;
242 }
243 }
244
245 /* Convert the client ID to index. */
246 if (client_id == CTRL_VOLT_POLICY_CLIENT_PERF_CORE_VF_SEQ) {
247 policy_idx =
248 pvolt->volt_policy_metadata.perf_core_vf_seq_policy_idx;
249 }
250 else {
251 status = -EINVAL;
252 goto exit;
253 }
254
255 /* Set RPC parameters. */
256 rpc_call.function = NV_PMU_VOLT_RPC_ID_VOLT_POLICY_SET_VOLTAGE;
257 rpc_call.params.volt_policy_voltage_data.policy_idx = policy_idx;
258 memcpy(&rpc_call.params.volt_policy_voltage_data.rail_list, prail_list,
259 (sizeof(struct ctrl_perf_volt_rail_list)));
260
261 /* Execute the voltage change request via PMU RPC. */
262 status = volt_pmu_rpc_execute(g, &rpc_call);
263 if (status) {
264 nvgpu_err(g,
265 "Error while executing VOLT_POLICY_SET_VOLTAGE RPC");
266 }
267
268exit:
269 return status;
270}
271
272static u32 volt_set_voltage_gv10x_rpc(struct gk20a *g, u8 client_id,
273 struct ctrl_volt_volt_rail_list_v1 *prail_list)
274{
275 struct nvgpu_pmu *pmu = &g->pmu;
276 struct nv_pmu_rpc_struct_volt_volt_set_voltage rpc;
277 int status = 0;
278
279 memset(&rpc, 0, sizeof(struct nv_pmu_rpc_struct_volt_volt_set_voltage));
280 rpc.client_id = 0x1;
281 rpc.rail_list = *prail_list;
282
283 PMU_RPC_EXECUTE_CPB(status, pmu, VOLT, VOLT_SET_VOLTAGE, &rpc, 0);
284 if (status) {
285 nvgpu_err(g, "Failed to execute RPC status=0x%x",
286 status);
287 }
288
289 return status;
290}
291
292u32 nvgpu_volt_set_voltage_gv10x(struct gk20a *g, u32 logic_voltage_uv,
293 u32 sram_voltage_uv)
294{
295 int status = 0;
296 struct ctrl_volt_volt_rail_list_v1 rail_list = { 0 };
297
298 rail_list.num_rails = RAIL_COUNT_GV;
299 rail_list.rails[0].rail_idx =
300 volt_rail_volt_domain_convert_to_idx(g,
301 CTRL_VOLT_DOMAIN_LOGIC);
302 rail_list.rails[0].voltage_uv = logic_voltage_uv;
303 rail_list.rails[0].voltage_min_noise_unaware_uv = logic_voltage_uv;
304
305 status = volt_set_voltage_gv10x_rpc(g,
306 CTRL_VOLT_POLICY_CLIENT_PERF_CORE_VF_SEQ, &rail_list);
307
308 return status;
309}
310
311u32 nvgpu_volt_set_voltage_gp10x(struct gk20a *g, u32 logic_voltage_uv,
312 u32 sram_voltage_uv)
313{
314 int status = 0;
315 struct ctrl_perf_volt_rail_list rail_list = { 0 };
316
317 rail_list.num_rails = RAIL_COUNT_GP;
318 rail_list.rails[0].volt_domain = CTRL_VOLT_DOMAIN_LOGIC;
319 rail_list.rails[0].voltage_uv = logic_voltage_uv;
320 rail_list.rails[0].voltage_min_noise_unaware_uv = logic_voltage_uv;
321 rail_list.rails[1].volt_domain = CTRL_VOLT_DOMAIN_SRAM;
322 rail_list.rails[1].voltage_uv = sram_voltage_uv;
323 rail_list.rails[1].voltage_min_noise_unaware_uv = sram_voltage_uv;
324
325 status = volt_policy_set_voltage(g,
326 CTRL_VOLT_POLICY_CLIENT_PERF_CORE_VF_SEQ, &rail_list);
327
328 return status;
329}
330
331u32 volt_set_voltage(struct gk20a *g, u32 logic_voltage_uv, u32 sram_voltage_uv)
332{
333 return g->ops.pmu_ver.volt.volt_set_voltage(g,
334 logic_voltage_uv, sram_voltage_uv);
335}
336
337u32 volt_get_voltage(struct gk20a *g, u32 volt_domain, u32 *voltage_uv)
338{
339 return g->ops.pmu_ver.volt.volt_get_voltage(g,
340 volt_domain, voltage_uv);
341}
342
343static int volt_policy_set_noiseaware_vmin(struct gk20a *g,
344 struct ctrl_volt_volt_rail_list *prail_list)
345{
346 struct nv_pmu_volt_rpc rpc_call = { 0 };
347 u32 status = 0;
348
349 /* Set RPC parameters. */
350 rpc_call.function = NV_PMU_VOLT_RPC_ID_VOLT_RAIL_SET_NOISE_UNAWARE_VMIN;
351 rpc_call.params.volt_rail_set_noise_unaware_vmin.num_rails =
352 prail_list->num_rails;
353 memcpy(&rpc_call.params.volt_rail_set_noise_unaware_vmin.rail_list,
354 prail_list, (sizeof(struct ctrl_volt_volt_rail_list)));
355
356 /* Execute the voltage change request via PMU RPC. */
357 status = volt_pmu_rpc_execute(g, &rpc_call);
358 if (status) {
359 nvgpu_err(g,
360 "Error while executing VOLT_POLICY_SET_VOLTAGE RPC");
361 return -EINVAL;
362 }
363
364 return 0;
365}
366
367int volt_set_noiseaware_vmin(struct gk20a *g, u32 logic_voltage_uv,
368 u32 sram_voltage_uv)
369{
370 int status = 0;
371 struct ctrl_volt_volt_rail_list rail_list = { 0 };
372
373 rail_list.num_rails = RAIL_COUNT_GP;
374 rail_list.rails[0].rail_idx = 0;
375 rail_list.rails[0].voltage_uv = logic_voltage_uv;
376 rail_list.rails[1].rail_idx = 1;
377 rail_list.rails[1].voltage_uv = sram_voltage_uv;
378
379 status = volt_policy_set_noiseaware_vmin(g, &rail_list);
380
381 return status;
382
383}
384
diff --git a/include/volt/volt_pmu.h b/include/volt/volt_pmu.h
new file mode 100644
index 0000000..c9fb8bf
--- /dev/null
+++ b/include/volt/volt_pmu.h
@@ -0,0 +1,46 @@
1/*
2* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21*/
22
23#ifndef NVGPU_VOLT_PMU_H
24#define NVGPU_VOLT_PMU_H
25
26u32 volt_pmu_send_load_cmd_to_pmu(struct gk20a *g);
27u32 volt_set_voltage(struct gk20a *g, u32 logic_voltage_uv,
28 u32 sram_voltage_uv);
29u32 volt_get_voltage(struct gk20a *g, u32 volt_domain, u32 *voltage_uv);
30int volt_set_noiseaware_vmin(struct gk20a *g, u32 logic_voltage_uv,
31 u32 sram_voltage_uv);
32
33u32 nvgpu_volt_set_voltage_gp10x(struct gk20a *g, u32 logic_voltage_uv,
34 u32 sram_voltage_uv);
35u32 nvgpu_volt_rail_get_voltage_gp10x(struct gk20a *g,
36 u8 volt_domain, u32 *pvoltage_uv);
37u32 nvgpu_volt_send_load_cmd_to_pmu_gp10x(struct gk20a *g);
38
39u32 nvgpu_volt_set_voltage_gv10x(struct gk20a *g, u32 logic_voltage_uv,
40 u32 sram_voltage_uv);
41u32 nvgpu_volt_rail_get_voltage_gv10x(struct gk20a *g,
42 u8 volt_domain, u32 *pvoltage_uv);
43u32 nvgpu_volt_send_load_cmd_to_pmu_gv10x(struct gk20a *g);
44
45
46#endif /* NVGPU_VOLT_PMU_H */
diff --git a/include/volt/volt_policy.c b/include/volt/volt_policy.c
new file mode 100644
index 0000000..cc60730
--- /dev/null
+++ b/include/volt/volt_policy.c
@@ -0,0 +1,513 @@
1/*
2 * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#include <nvgpu/bios.h>
24#include <nvgpu/gk20a.h>
25
26#include "boardobj/boardobjgrp.h"
27#include "boardobj/boardobjgrp_e32.h"
28#include "gp106/bios_gp106.h"
29#include "ctrl/ctrlvolt.h"
30
31#include "volt.h"
32
33static int volt_policy_pmu_data_init_super(struct gk20a *g,
34 struct boardobj *pboardobj, struct nv_pmu_boardobj *ppmudata)
35{
36 return boardobj_pmudatainit_super(g, pboardobj, ppmudata);
37}
38
39static int construct_volt_policy(struct gk20a *g,
40 struct boardobj **ppboardobj, u16 size, void *pArgs)
41{
42 struct voltage_policy *pvolt_policy = NULL;
43 int status = 0;
44
45 status = boardobj_construct_super(g, ppboardobj, size, pArgs);
46 if (status) {
47 return status;
48 }
49
50 pvolt_policy = (struct voltage_policy *)*ppboardobj;
51
52 pvolt_policy->super.pmudatainit = volt_policy_pmu_data_init_super;
53
54 return status;
55}
56
57static int construct_volt_policy_split_rail(struct gk20a *g,
58 struct boardobj **ppboardobj, u16 size, void *pArgs)
59{
60 struct voltage_policy_split_rail *ptmp_policy =
61 (struct voltage_policy_split_rail *)pArgs;
62 struct voltage_policy_split_rail *pvolt_policy = NULL;
63 int status = 0;
64
65 status = construct_volt_policy(g, ppboardobj, size, pArgs);
66 if (status) {
67 return status;
68 }
69
70 pvolt_policy = (struct voltage_policy_split_rail *)*ppboardobj;
71
72 pvolt_policy->rail_idx_master = ptmp_policy->rail_idx_master;
73 pvolt_policy->rail_idx_slave = ptmp_policy->rail_idx_slave;
74 pvolt_policy->delta_min_vfe_equ_idx =
75 ptmp_policy->delta_min_vfe_equ_idx;
76 pvolt_policy->delta_max_vfe_equ_idx =
77 ptmp_policy->delta_max_vfe_equ_idx;
78
79 return status;
80}
81
82static int construct_volt_policy_single_rail(struct gk20a *g,
83 struct boardobj **ppboardobj, u16 size, void *pArgs)
84{
85 struct voltage_policy_single_rail *ptmp_policy =
86 (struct voltage_policy_single_rail *)pArgs;
87 struct voltage_policy_single_rail *pvolt_policy = NULL;
88 int status = 0;
89
90 status = construct_volt_policy(g, ppboardobj, size, pArgs);
91 if (status) {
92 return status;
93 }
94
95 pvolt_policy = (struct voltage_policy_single_rail *)*ppboardobj;
96
97 pvolt_policy->rail_idx = ptmp_policy->rail_idx;
98
99 return status;
100}
101
102static int volt_policy_pmu_data_init_single_rail(struct gk20a *g,
103 struct boardobj *pboardobj, struct nv_pmu_boardobj *ppmudata)
104{
105 int status = 0;
106 struct voltage_policy_single_rail *ppolicy;
107 struct nv_pmu_volt_volt_policy_sr_boardobj_set *pset;
108
109 status = volt_policy_pmu_data_init_super(g, pboardobj, ppmudata);
110 if (status) {
111 goto done;
112 }
113
114 ppolicy = (struct voltage_policy_single_rail *)pboardobj;
115 pset = (struct nv_pmu_volt_volt_policy_sr_boardobj_set *)
116 ppmudata;
117 pset->rail_idx = ppolicy->rail_idx;
118
119done:
120 return status;
121}
122
123static int volt_policy_pmu_data_init_sr_multi_step(struct gk20a *g,
124 struct boardobj *pboardobj, struct nv_pmu_boardobj *ppmudata)
125{
126 int status = 0;
127 struct voltage_policy_single_rail_multi_step *ppolicy;
128 struct nv_pmu_volt_volt_policy_sr_multi_step_boardobj_set *pset;
129
130 status = volt_policy_pmu_data_init_single_rail(g, pboardobj, ppmudata);
131 if (status) {
132 goto done;
133 }
134
135 ppolicy = (struct voltage_policy_single_rail_multi_step *)pboardobj;
136 pset = (struct nv_pmu_volt_volt_policy_sr_multi_step_boardobj_set *)
137 ppmudata;
138
139 pset->ramp_up_step_size_uv = ppolicy->ramp_up_step_size_uv;
140 pset->ramp_down_step_size_uv = ppolicy->ramp_down_step_size_uv;
141 pset->inter_switch_delay_us = ppolicy->inter_switch_delay_us;
142
143done:
144 return status;
145}
146
147static int volt_construct_volt_policy_single_rail_multi_step(struct gk20a *g,
148 struct boardobj **ppboardobj, u16 size, void *pargs)
149{
150 struct boardobj *pboardobj = NULL;
151 struct voltage_policy_single_rail_multi_step *p_volt_policy = NULL;
152 struct voltage_policy_single_rail_multi_step *tmp_policy =
153 (struct voltage_policy_single_rail_multi_step *)pargs;
154 int status = 0;
155
156 status = construct_volt_policy_single_rail(g, ppboardobj, size, pargs);
157 if (status) {
158 return status;
159 }
160
161 pboardobj = (*ppboardobj);
162 p_volt_policy = (struct voltage_policy_single_rail_multi_step *)
163 *ppboardobj;
164
165 pboardobj->pmudatainit = volt_policy_pmu_data_init_sr_multi_step;
166
167 p_volt_policy->ramp_up_step_size_uv =
168 tmp_policy->ramp_up_step_size_uv;
169 p_volt_policy->ramp_down_step_size_uv =
170 tmp_policy->ramp_down_step_size_uv;
171 p_volt_policy->inter_switch_delay_us =
172 tmp_policy->inter_switch_delay_us;
173
174 return status;
175}
176
177static int volt_policy_pmu_data_init_split_rail(struct gk20a *g,
178 struct boardobj *pboardobj, struct nv_pmu_boardobj *ppmudata)
179{
180 int status = 0;
181 struct voltage_policy_split_rail *ppolicy;
182 struct nv_pmu_volt_volt_policy_splt_r_boardobj_set *pset;
183
184 status = volt_policy_pmu_data_init_super(g, pboardobj, ppmudata);
185 if (status) {
186 goto done;
187 }
188
189 ppolicy = (struct voltage_policy_split_rail *)pboardobj;
190 pset = (struct nv_pmu_volt_volt_policy_splt_r_boardobj_set *)
191 ppmudata;
192
193 pset->rail_idx_master = ppolicy->rail_idx_master;
194 pset->rail_idx_slave = ppolicy->rail_idx_slave;
195 pset->delta_min_vfe_equ_idx = ppolicy->delta_min_vfe_equ_idx;
196 pset->delta_max_vfe_equ_idx = ppolicy->delta_max_vfe_equ_idx;
197 pset->offset_delta_min_uv = ppolicy->offset_delta_min_uv;
198 pset->offset_delta_max_uv = ppolicy->offset_delta_max_uv;
199
200done:
201 return status;
202}
203
204static int volt_construct_volt_policy_split_rail_single_step(struct gk20a *g,
205 struct boardobj **ppboardobj, u16 size, void *pargs)
206{
207 struct boardobj *pboardobj = NULL;
208 int status = 0;
209
210 status = construct_volt_policy_split_rail(g, ppboardobj, size, pargs);
211 if (status) {
212 return status;
213 }
214
215 pboardobj = (*ppboardobj);
216 pboardobj->pmudatainit = volt_policy_pmu_data_init_split_rail;
217
218 return status;
219}
220
221static struct voltage_policy *volt_volt_policy_construct(struct gk20a *g, void *pargs)
222{
223 struct boardobj *pboard_obj = NULL;
224 int status = 0;
225
226 switch (BOARDOBJ_GET_TYPE(pargs)) {
227 case CTRL_VOLT_POLICY_TYPE_SR_SINGLE_STEP:
228 status = volt_construct_volt_policy_split_rail_single_step(g,
229 &pboard_obj,
230 sizeof(struct voltage_policy_split_rail_single_step),
231 pargs);
232 if (status) {
233 nvgpu_err(g,
234 "Could not allocate memory for voltage_policy");
235 pboard_obj = NULL;
236 }
237 break;
238 case CTRL_VOLT_POLICY_TYPE_SINGLE_RAIL_MULTI_STEP:
239 status = volt_construct_volt_policy_single_rail_multi_step(g,
240 &pboard_obj,
241 sizeof(struct voltage_policy_single_rail_multi_step),
242 pargs);
243 if (status) {
244 nvgpu_err(g,
245 "Could not allocate memory for voltage_policy");
246 pboard_obj = NULL;
247 }
248 break;
249 }
250
251 return (struct voltage_policy *)pboard_obj;
252}
253
254static u8 volt_policy_type_convert(u8 vbios_type)
255{
256 switch (vbios_type) {
257 case NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_SINGLE_RAIL:
258 return CTRL_VOLT_POLICY_TYPE_SINGLE_RAIL;
259
260 case NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_SR_MULTI_STEP:
261 return CTRL_VOLT_POLICY_TYPE_SR_MULTI_STEP;
262
263 case NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_SR_SINGLE_STEP:
264 return CTRL_VOLT_POLICY_TYPE_SR_SINGLE_STEP;
265 case NV_VBIOS_VOLTAGE_POLICY_1X_ENTRY_TYPE_SINGLE_RAIL_MULTI_STEP:
266 return CTRL_VOLT_POLICY_TYPE_SINGLE_RAIL_MULTI_STEP;
267 }
268
269 return CTRL_VOLT_POLICY_TYPE_INVALID;
270}
271
272static int volt_get_volt_policy_table(struct gk20a *g,
273 struct voltage_policy_metadata *pvolt_policy_metadata)
274{
275 int status = 0;
276 u8 *voltage_policy_table_ptr = NULL;
277 struct voltage_policy *ppolicy = NULL;
278 struct vbios_voltage_policy_table_1x_header header = { 0 };
279 struct vbios_voltage_policy_table_1x_entry entry = { 0 };
280 u8 i;
281 u8 policy_type = 0;
282 u8 *entry_offset;
283 union policy_type {
284 struct boardobj board_obj;
285 struct voltage_policy volt_policy;
286 struct voltage_policy_split_rail split_rail;
287 struct voltage_policy_single_rail_multi_step single_rail_ms;
288 } policy_type_data;
289
290 voltage_policy_table_ptr =
291 (u8 *)nvgpu_bios_get_perf_table_ptrs(g,
292 g->bios.perf_token, VOLTAGE_POLICY_TABLE);
293 if (voltage_policy_table_ptr == NULL) {
294 status = -EINVAL;
295 goto done;
296 }
297
298 memcpy(&header, voltage_policy_table_ptr,
299 sizeof(struct vbios_voltage_policy_table_1x_header));
300
301 /* Set Voltage Policy Table Index for Perf Core VF Sequence client. */
302 pvolt_policy_metadata->perf_core_vf_seq_policy_idx =
303 (u8)header.perf_core_vf_seq_policy_idx;
304
305 /* Read in the entries. */
306 for (i = 0; i < header.num_table_entries; i++) {
307 entry_offset = (voltage_policy_table_ptr + header.header_size +
308 i * header.table_entry_size);
309
310 memcpy(&entry, entry_offset,
311 sizeof(struct vbios_voltage_policy_table_1x_entry));
312
313 memset(&policy_type_data, 0x0, sizeof(policy_type_data));
314
315 policy_type = volt_policy_type_convert((u8)entry.type);
316
317 switch (policy_type) {
318 case CTRL_VOLT_POLICY_TYPE_SR_SINGLE_STEP:
319 policy_type_data.split_rail.rail_idx_master =
320 (u8)BIOS_GET_FIELD(entry.param0,
321 NV_VBIOS_VPT_ENTRY_PARAM0_SR_VD_MASTER);
322
323 policy_type_data.split_rail.rail_idx_slave =
324 (u8)BIOS_GET_FIELD(entry.param0,
325 NV_VBIOS_VPT_ENTRY_PARAM0_SR_VD_SLAVE);
326
327 policy_type_data.split_rail.delta_min_vfe_equ_idx =
328 (u8)BIOS_GET_FIELD(entry.param0,
329 NV_VBIOS_VPT_ENTRY_PARAM0_SR_DELTA_SM_MIN);
330
331 policy_type_data.split_rail.delta_max_vfe_equ_idx =
332 (u8)BIOS_GET_FIELD(entry.param0,
333 NV_VBIOS_VPT_ENTRY_PARAM0_SR_DELTA_SM_MAX);
334 break;
335 case CTRL_VOLT_POLICY_TYPE_SINGLE_RAIL_MULTI_STEP:
336 policy_type_data.single_rail_ms.inter_switch_delay_us =
337 (u16)BIOS_GET_FIELD(entry.param1,
338 NV_VBIOS_VPT_ENTRY_PARAM1_SR_SETTLE_TIME_INTERMEDIATE);
339 policy_type_data.single_rail_ms.ramp_up_step_size_uv =
340 (u32)BIOS_GET_FIELD(entry.param2,
341 NV_VBIOS_VPT_ENTRY_PARAM2_SR_RAMP_UP_STEP_SIZE_UV);
342 policy_type_data.single_rail_ms.ramp_down_step_size_uv =
343 (u32)BIOS_GET_FIELD(entry.param3,
344 NV_VBIOS_VPT_ENTRY_PARAM3_SR_RAMP_DOWN_STEP_SIZE_UV);
345 break;
346 }
347
348 policy_type_data.board_obj.type = policy_type;
349
350 ppolicy = volt_volt_policy_construct(g,
351 (void *)&policy_type_data);
352 if (ppolicy == NULL) {
353 nvgpu_err(g,
354 "Failure to construct VOLT_POLICY object.");
355 status = -EINVAL;
356 goto done;
357 }
358
359 status = boardobjgrp_objinsert(
360 &pvolt_policy_metadata->volt_policies.super,
361 (struct boardobj *)ppolicy, i);
362 if (status) {
363 nvgpu_err(g,
364 "could not add volt_policy for entry %d into boardobjgrp ",
365 i);
366 goto done;
367 }
368 }
369
370done:
371 return status;
372}
373static int _volt_policy_devgrp_pmudata_instget(struct gk20a *g,
374 struct nv_pmu_boardobjgrp *pmuboardobjgrp,
375 struct nv_pmu_boardobj **ppboardobjpmudata, u8 idx)
376{
377 struct nv_pmu_volt_volt_policy_boardobj_grp_set *pgrp_set =
378 (struct nv_pmu_volt_volt_policy_boardobj_grp_set *)
379 pmuboardobjgrp;
380
381 nvgpu_log_info(g, " ");
382
383 /*check whether pmuboardobjgrp has a valid boardobj in index*/
384 if (((u32)BIT(idx) &
385 pgrp_set->hdr.data.super.obj_mask.super.data[0]) == 0U) {
386 return -EINVAL;
387 }
388
389 *ppboardobjpmudata = (struct nv_pmu_boardobj *)
390 &pgrp_set->objects[idx].data.board_obj;
391 nvgpu_log_info(g, " Done");
392 return 0;
393}
394
395static int _volt_policy_devgrp_pmustatus_instget(struct gk20a *g,
396 void *pboardobjgrppmu,
397 struct nv_pmu_boardobj_query **ppboardobjpmustatus, u8 idx)
398{
399 struct nv_pmu_volt_volt_policy_boardobj_grp_get_status *p_get_status =
400 (struct nv_pmu_volt_volt_policy_boardobj_grp_get_status *)
401 pboardobjgrppmu;
402
403 /*check whether pmuboardobjgrp has a valid boardobj in index*/
404 if (((u32)BIT(idx) &
405 p_get_status->hdr.data.super.obj_mask.super.data[0]) == 0U) {
406 return -EINVAL;
407 }
408
409 *ppboardobjpmustatus = (struct nv_pmu_boardobj_query *)
410 &p_get_status->objects[idx].data.board_obj;
411 return 0;
412}
413
414static int _volt_policy_grp_pmudatainit_super(struct gk20a *g,
415 struct boardobjgrp *pboardobjgrp,
416 struct nv_pmu_boardobjgrp_super *pboardobjgrppmu)
417{
418 struct nv_pmu_volt_volt_policy_boardobjgrp_set_header *pset =
419 (struct nv_pmu_volt_volt_policy_boardobjgrp_set_header *)
420 pboardobjgrppmu;
421 struct obj_volt *volt = (struct obj_volt *)pboardobjgrp;
422 int status = 0;
423
424 status = boardobjgrp_pmudatainit_e32(g, pboardobjgrp, pboardobjgrppmu);
425 if (status) {
426 nvgpu_err(g,
427 "error updating pmu boardobjgrp for volt policy 0x%x",
428 status);
429 goto done;
430 }
431 pset->perf_core_vf_seq_policy_idx =
432 volt->volt_policy_metadata.perf_core_vf_seq_policy_idx;
433
434done:
435 return status;
436}
437
438int volt_policy_pmu_setup(struct gk20a *g)
439{
440 int status;
441 struct boardobjgrp *pboardobjgrp = NULL;
442
443 nvgpu_log_info(g, " ");
444
445 pboardobjgrp =
446 &g->perf_pmu.volt.volt_policy_metadata.volt_policies.super;
447
448 if (!pboardobjgrp->bconstructed) {
449 return -EINVAL;
450 }
451
452 status = pboardobjgrp->pmuinithandle(g, pboardobjgrp);
453
454 nvgpu_log_info(g, "Done");
455 return status;
456}
457
458int volt_policy_sw_setup(struct gk20a *g)
459{
460 int status = 0;
461 struct boardobjgrp *pboardobjgrp = NULL;
462
463 nvgpu_log_info(g, " ");
464
465 status = boardobjgrpconstruct_e32(g,
466 &g->perf_pmu.volt.volt_policy_metadata.volt_policies);
467 if (status) {
468 nvgpu_err(g,
469 "error creating boardobjgrp for volt rail, status - 0x%x",
470 status);
471 goto done;
472 }
473
474 pboardobjgrp =
475 &g->perf_pmu.volt.volt_policy_metadata.volt_policies.super;
476
477 pboardobjgrp->pmudatainstget = _volt_policy_devgrp_pmudata_instget;
478 pboardobjgrp->pmustatusinstget = _volt_policy_devgrp_pmustatus_instget;
479 pboardobjgrp->pmudatainit = _volt_policy_grp_pmudatainit_super;
480
481 /* Obtain Voltage Rail Table from VBIOS */
482 status = volt_get_volt_policy_table(g, &g->perf_pmu.volt.
483 volt_policy_metadata);
484 if (status) {
485 goto done;
486 }
487
488 /* Populate data for the VOLT_RAIL PMU interface */
489 BOARDOBJGRP_PMU_CONSTRUCT(pboardobjgrp, VOLT, VOLT_POLICY);
490
491 status = BOARDOBJGRP_PMU_CMD_GRP_SET_CONSTRUCT(g, pboardobjgrp,
492 volt, VOLT, volt_policy, VOLT_POLICY);
493 if (status) {
494 nvgpu_err(g,
495 "error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x",
496 status);
497 goto done;
498 }
499
500 status = BOARDOBJGRP_PMU_CMD_GRP_GET_STATUS_CONSTRUCT(g,
501 &g->perf_pmu.volt.volt_policy_metadata.volt_policies.super,
502 volt, VOLT, volt_policy, VOLT_POLICY);
503 if (status) {
504 nvgpu_err(g,
505 "error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x",
506 status);
507 goto done;
508 }
509
510done:
511 nvgpu_log_info(g, " done status %x", status);
512 return status;
513}
diff --git a/include/volt/volt_policy.h b/include/volt/volt_policy.h
new file mode 100644
index 0000000..06f5aa3
--- /dev/null
+++ b/include/volt/volt_policy.h
@@ -0,0 +1,80 @@
1/*
2* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21*/
22
23#ifndef NVGPU_VOLT_POLICY_H
24#define NVGPU_VOLT_POLICY_H
25
26#define VOLT_POLICY_INDEX_IS_VALID(pvolt, policy_idx) \
27 (boardobjgrp_idxisvalid( \
28 &((pvolt)->volt_policy_metadata.volt_policies.super), \
29 (policy_idx)))
30
31/*!
32 * extends boardobj providing attributes common to all voltage_policies.
33 */
34struct voltage_policy {
35 struct boardobj super;
36};
37
38struct voltage_policy_metadata {
39 u8 perf_core_vf_seq_policy_idx;
40 struct boardobjgrp_e32 volt_policies;
41};
42
43/*!
44 * extends voltage_policy providing attributes
45 * common to all voltage_policy_split_rail.
46 */
47struct voltage_policy_split_rail {
48 struct voltage_policy super;
49 u8 rail_idx_master;
50 u8 rail_idx_slave;
51 u8 delta_min_vfe_equ_idx;
52 u8 delta_max_vfe_equ_idx;
53 s32 offset_delta_min_uv;
54 s32 offset_delta_max_uv;
55};
56
57struct voltage_policy_split_rail_single_step {
58 struct voltage_policy_split_rail super;
59};
60
61struct voltage_policy_split_rail_multi_step {
62 struct voltage_policy_split_rail super;
63 u16 inter_switch_delay_us;
64};
65
66struct voltage_policy_single_rail {
67 struct voltage_policy super;
68 u8 rail_idx;
69};
70
71struct voltage_policy_single_rail_multi_step {
72 struct voltage_policy_single_rail super;
73 u16 inter_switch_delay_us;
74 u32 ramp_up_step_size_uv;
75 u32 ramp_down_step_size_uv;
76};
77
78int volt_policy_sw_setup(struct gk20a *g);
79int volt_policy_pmu_setup(struct gk20a *g);
80#endif /* NVGPU_VOLT_POLICY_H */
diff --git a/include/volt/volt_rail.c b/include/volt/volt_rail.c
new file mode 100644
index 0000000..caf297f
--- /dev/null
+++ b/include/volt/volt_rail.c
@@ -0,0 +1,485 @@
1/*
2 * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#include <nvgpu/bios.h>
24#include <nvgpu/gk20a.h>
25
26#include "boardobj/boardobjgrp.h"
27#include "boardobj/boardobjgrp_e32.h"
28#include "gp106/bios_gp106.h"
29#include "ctrl/ctrlvolt.h"
30
31#include "volt.h"
32
33u8 volt_rail_volt_domain_convert_to_idx(struct gk20a *g, u8 volt_domain)
34{
35 switch (g->perf_pmu.volt.volt_rail_metadata.volt_domain_hal) {
36 case CTRL_VOLT_DOMAIN_HAL_GP10X_SINGLE_RAIL:
37 switch (volt_domain) {
38 case CTRL_VOLT_DOMAIN_LOGIC:
39 return 0;
40 }
41 break;
42 case CTRL_VOLT_DOMAIN_HAL_GP10X_SPLIT_RAIL:
43 switch (volt_domain) {
44 case CTRL_VOLT_DOMAIN_LOGIC:
45 return 0;
46 case CTRL_VOLT_DOMAIN_SRAM:
47 return 1;
48 }
49 break;
50 }
51
52 return CTRL_BOARDOBJ_IDX_INVALID;
53}
54
55u32 volt_rail_volt_dev_register(struct gk20a *g, struct voltage_rail
56 *pvolt_rail, u8 volt_dev_idx, u8 operation_type)
57{
58 u32 status = 0;
59
60 if (operation_type == CTRL_VOLT_DEVICE_OPERATION_TYPE_DEFAULT) {
61 if (pvolt_rail->volt_dev_idx_default ==
62 CTRL_BOARDOBJ_IDX_INVALID) {
63 pvolt_rail->volt_dev_idx_default = volt_dev_idx;
64 } else {
65 status = -EINVAL;
66 goto exit;
67 }
68 } else if (operation_type ==
69 CTRL_VOLT_VOLT_DEVICE_OPERATION_TYPE_IPC_VMIN) {
70 if (pvolt_rail->volt_dev_idx_ipc_vmin ==
71 CTRL_BOARDOBJ_IDX_INVALID) {
72 pvolt_rail->volt_dev_idx_ipc_vmin = volt_dev_idx;
73 /*
74 * Exit on purpose as we do not want to register
75 * IPC_VMIN device against the rail to avoid
76 * setting current voltage instead of
77 * IPC Vmin voltage.
78 */
79 goto exit;
80 } else {
81 status = -EINVAL;
82 goto exit;
83 }
84 } else {
85 goto exit;
86 }
87
88 status = boardobjgrpmask_bitset(&pvolt_rail->volt_dev_mask.super,
89 volt_dev_idx);
90
91exit:
92 if (status) {
93 nvgpu_err(g, "Failed to register VOLTAGE_DEVICE");
94 }
95
96 return status;
97}
98
99static u32 volt_rail_state_init(struct gk20a *g,
100 struct voltage_rail *pvolt_rail)
101{
102 u32 status = 0;
103 u32 i;
104
105 pvolt_rail->volt_dev_idx_default = CTRL_BOARDOBJ_IDX_INVALID;
106
107 for (i = 0; i < CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES; i++) {
108 pvolt_rail->volt_delta_uv[i] = (int)NV_PMU_VOLT_VALUE_0V_IN_UV;
109 g->perf_pmu.volt.volt_rail_metadata.ext_rel_delta_uv[i] =
110 NV_PMU_VOLT_VALUE_0V_IN_UV;
111 }
112
113 pvolt_rail->volt_margin_limit_vfe_equ_mon_handle =
114 NV_PMU_PERF_RPC_VFE_EQU_MONITOR_COUNT_MAX;
115 pvolt_rail->rel_limit_vfe_equ_mon_handle =
116 NV_PMU_PERF_RPC_VFE_EQU_MONITOR_COUNT_MAX;
117 pvolt_rail->alt_rel_limit_vfe_equ_mon_handle =
118 NV_PMU_PERF_RPC_VFE_EQU_MONITOR_COUNT_MAX;
119 pvolt_rail->ov_limit_vfe_equ_mon_handle =
120 NV_PMU_PERF_RPC_VFE_EQU_MONITOR_COUNT_MAX;
121
122 status = boardobjgrpmask_e32_init(&pvolt_rail->volt_dev_mask, NULL);
123 if (status) {
124 nvgpu_err(g,
125 "Failed to initialize BOARDOBJGRPMASK of VOLTAGE_DEVICEs");
126 }
127
128 return status;
129}
130
131static int volt_rail_init_pmudata_super(struct gk20a *g,
132 struct boardobj *board_obj_ptr, struct nv_pmu_boardobj *ppmudata)
133{
134 int status = 0;
135 struct voltage_rail *prail;
136 struct nv_pmu_volt_volt_rail_boardobj_set *rail_pmu_data;
137 u32 i;
138
139 nvgpu_log_info(g, " ");
140
141 status = boardobj_pmudatainit_super(g, board_obj_ptr, ppmudata);
142 if (status) {
143 return status;
144 }
145
146 prail = (struct voltage_rail *)board_obj_ptr;
147 rail_pmu_data = (struct nv_pmu_volt_volt_rail_boardobj_set *)
148 ppmudata;
149
150 rail_pmu_data->rel_limit_vfe_equ_idx = prail->rel_limit_vfe_equ_idx;
151 rail_pmu_data->alt_rel_limit_vfe_equ_idx =
152 prail->alt_rel_limit_vfe_equ_idx;
153 rail_pmu_data->ov_limit_vfe_equ_idx = prail->ov_limit_vfe_equ_idx;
154 rail_pmu_data->vmin_limit_vfe_equ_idx = prail->vmin_limit_vfe_equ_idx;
155 rail_pmu_data->volt_margin_limit_vfe_equ_idx =
156 prail->volt_margin_limit_vfe_equ_idx;
157 rail_pmu_data->pwr_equ_idx = prail->pwr_equ_idx;
158 rail_pmu_data->volt_dev_idx_default = prail->volt_dev_idx_default;
159 rail_pmu_data->volt_scale_exp_pwr_equ_idx =
160 prail->volt_scale_exp_pwr_equ_idx;
161 rail_pmu_data->volt_dev_idx_ipc_vmin = prail->volt_dev_idx_ipc_vmin;
162
163 for (i = 0; i < CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES; i++) {
164 rail_pmu_data->volt_delta_uv[i] = prail->volt_delta_uv[i] +
165 (int)g->perf_pmu.volt.volt_rail_metadata.ext_rel_delta_uv[i];
166 }
167
168 status = boardobjgrpmask_export(&prail->volt_dev_mask.super,
169 prail->volt_dev_mask.super.bitcount,
170 &rail_pmu_data->volt_dev_mask.super);
171 if (status) {
172 nvgpu_err(g,
173 "Failed to export BOARDOBJGRPMASK of VOLTAGE_DEVICEs");
174 }
175
176 nvgpu_log_info(g, "Done");
177
178 return status;
179}
180
181static struct voltage_rail *construct_volt_rail(struct gk20a *g, void *pargs)
182{
183 struct boardobj *board_obj_ptr = NULL;
184 struct voltage_rail *ptemp_rail = (struct voltage_rail *)pargs;
185 struct voltage_rail *board_obj_volt_rail_ptr = NULL;
186 int status;
187
188 nvgpu_log_info(g, " ");
189 status = boardobj_construct_super(g, &board_obj_ptr,
190 sizeof(struct voltage_rail), pargs);
191 if (status) {
192 return NULL;
193 }
194
195 board_obj_volt_rail_ptr = (struct voltage_rail *)board_obj_ptr;
196 /* override super class interface */
197 board_obj_ptr->pmudatainit = volt_rail_init_pmudata_super;
198
199 board_obj_volt_rail_ptr->boot_voltage_uv =
200 ptemp_rail->boot_voltage_uv;
201 board_obj_volt_rail_ptr->rel_limit_vfe_equ_idx =
202 ptemp_rail->rel_limit_vfe_equ_idx;
203 board_obj_volt_rail_ptr->alt_rel_limit_vfe_equ_idx =
204 ptemp_rail->alt_rel_limit_vfe_equ_idx;
205 board_obj_volt_rail_ptr->ov_limit_vfe_equ_idx =
206 ptemp_rail->ov_limit_vfe_equ_idx;
207 board_obj_volt_rail_ptr->pwr_equ_idx =
208 ptemp_rail->pwr_equ_idx;
209 board_obj_volt_rail_ptr->boot_volt_vfe_equ_idx =
210 ptemp_rail->boot_volt_vfe_equ_idx;
211 board_obj_volt_rail_ptr->vmin_limit_vfe_equ_idx =
212 ptemp_rail->vmin_limit_vfe_equ_idx;
213 board_obj_volt_rail_ptr->volt_margin_limit_vfe_equ_idx =
214 ptemp_rail->volt_margin_limit_vfe_equ_idx;
215 board_obj_volt_rail_ptr->volt_scale_exp_pwr_equ_idx =
216 ptemp_rail->volt_scale_exp_pwr_equ_idx;
217
218 nvgpu_log_info(g, "Done");
219
220 return (struct voltage_rail *)board_obj_ptr;
221}
222
223u8 volt_rail_vbios_volt_domain_convert_to_internal(struct gk20a *g,
224 u8 vbios_volt_domain)
225{
226 switch (g->perf_pmu.volt.volt_rail_metadata.volt_domain_hal) {
227 case CTRL_VOLT_DOMAIN_HAL_GP10X_SINGLE_RAIL:
228 if (vbios_volt_domain == 0U) {
229 return CTRL_VOLT_DOMAIN_LOGIC;
230 }
231 break;
232 case CTRL_VOLT_DOMAIN_HAL_GP10X_SPLIT_RAIL:
233 switch (vbios_volt_domain) {
234 case 0:
235 return CTRL_VOLT_DOMAIN_LOGIC;
236 case 1:
237 return CTRL_VOLT_DOMAIN_SRAM;
238 }
239 break;
240 }
241
242 return CTRL_VOLT_DOMAIN_INVALID;
243}
244
245int volt_rail_pmu_setup(struct gk20a *g)
246{
247 int status;
248 struct boardobjgrp *pboardobjgrp = NULL;
249
250 nvgpu_log_info(g, " ");
251
252 pboardobjgrp = &g->perf_pmu.volt.volt_rail_metadata.volt_rails.super;
253
254 if (!pboardobjgrp->bconstructed) {
255 return -EINVAL;
256 }
257
258 status = pboardobjgrp->pmuinithandle(g, pboardobjgrp);
259
260 nvgpu_log_info(g, "Done");
261 return status;
262}
263
264static int volt_get_volt_rail_table(struct gk20a *g,
265 struct voltage_rail_metadata *pvolt_rail_metadata)
266{
267 int status = 0;
268 u8 *volt_rail_table_ptr = NULL;
269 struct voltage_rail *prail = NULL;
270 struct vbios_voltage_rail_table_1x_header header = { 0 };
271 struct vbios_voltage_rail_table_1x_entry entry = { 0 };
272 u8 i;
273 u8 volt_domain;
274 u8 *entry_ptr;
275 union rail_type {
276 struct boardobj board_obj;
277 struct voltage_rail volt_rail;
278 } rail_type_data;
279
280 volt_rail_table_ptr = (u8 *)nvgpu_bios_get_perf_table_ptrs(g,
281 g->bios.perf_token, VOLTAGE_RAIL_TABLE);
282 if (volt_rail_table_ptr == NULL) {
283 status = -EINVAL;
284 goto done;
285 }
286
287 memcpy(&header, volt_rail_table_ptr,
288 sizeof(struct vbios_voltage_rail_table_1x_header));
289
290 pvolt_rail_metadata->volt_domain_hal = (u8)header.volt_domain_hal;
291
292 for (i = 0; i < header.num_table_entries; i++) {
293 entry_ptr = (volt_rail_table_ptr + header.header_size +
294 (i * header.table_entry_size));
295
296 memset(&rail_type_data, 0x0, sizeof(rail_type_data));
297
298 memcpy(&entry, entry_ptr,
299 sizeof(struct vbios_voltage_rail_table_1x_entry));
300
301 volt_domain = volt_rail_vbios_volt_domain_convert_to_internal(g,
302 i);
303 if (volt_domain == CTRL_VOLT_DOMAIN_INVALID) {
304 continue;
305 }
306
307 rail_type_data.board_obj.type = volt_domain;
308 rail_type_data.volt_rail.boot_voltage_uv =
309 (u32)entry.boot_voltage_uv;
310 rail_type_data.volt_rail.rel_limit_vfe_equ_idx =
311 (u8)entry.rel_limit_vfe_equ_idx;
312 rail_type_data.volt_rail.alt_rel_limit_vfe_equ_idx =
313 (u8)entry.alt_rel_limit_vfe_equidx;
314 rail_type_data.volt_rail.ov_limit_vfe_equ_idx =
315 (u8)entry.ov_limit_vfe_equ_idx;
316
317 if (header.table_entry_size >=
318 NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0C) {
319 rail_type_data.volt_rail.volt_scale_exp_pwr_equ_idx =
320 (u8)entry.volt_scale_exp_pwr_equ_idx;
321 } else {
322 rail_type_data.volt_rail.volt_scale_exp_pwr_equ_idx =
323 CTRL_BOARDOBJ_IDX_INVALID;
324 }
325
326 if (header.table_entry_size >=
327 NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0B) {
328 rail_type_data.volt_rail.volt_margin_limit_vfe_equ_idx =
329 (u8)entry.volt_margin_limit_vfe_equ_idx;
330 } else {
331 rail_type_data.volt_rail.volt_margin_limit_vfe_equ_idx =
332 CTRL_BOARDOBJ_IDX_INVALID;
333 }
334
335 if (header.table_entry_size >=
336 NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0A) {
337 rail_type_data.volt_rail.vmin_limit_vfe_equ_idx =
338 (u8)entry.vmin_limit_vfe_equ_idx;
339 } else {
340 rail_type_data.volt_rail.vmin_limit_vfe_equ_idx =
341 CTRL_BOARDOBJ_IDX_INVALID;
342 }
343
344 if (header.table_entry_size >=
345 NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_09) {
346 rail_type_data.volt_rail.boot_volt_vfe_equ_idx =
347 (u8)entry.boot_volt_vfe_equ_idx;
348 } else {
349 rail_type_data.volt_rail.boot_volt_vfe_equ_idx =
350 CTRL_BOARDOBJ_IDX_INVALID;
351 }
352
353 if (header.table_entry_size >=
354 NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_08) {
355 rail_type_data.volt_rail.pwr_equ_idx =
356 (u8)entry.pwr_equ_idx;
357 } else {
358 rail_type_data.volt_rail.pwr_equ_idx =
359 CTRL_PMGR_PWR_EQUATION_INDEX_INVALID;
360 }
361
362 prail = construct_volt_rail(g, &rail_type_data);
363
364 status = boardobjgrp_objinsert(
365 &pvolt_rail_metadata->volt_rails.super,
366 (struct boardobj *)prail, i);
367 }
368
369done:
370 return status;
371}
372
373static int _volt_rail_devgrp_pmudata_instget(struct gk20a *g,
374 struct nv_pmu_boardobjgrp *pmuboardobjgrp, struct nv_pmu_boardobj
375 **ppboardobjpmudata, u8 idx)
376{
377 struct nv_pmu_volt_volt_rail_boardobj_grp_set *pgrp_set =
378 (struct nv_pmu_volt_volt_rail_boardobj_grp_set *)
379 pmuboardobjgrp;
380
381 nvgpu_log_info(g, " ");
382
383 /*check whether pmuboardobjgrp has a valid boardobj in index*/
384 if (((u32)BIT(idx) &
385 pgrp_set->hdr.data.super.obj_mask.super.data[0]) == 0U) {
386 return -EINVAL;
387 }
388
389 *ppboardobjpmudata = (struct nv_pmu_boardobj *)
390 &pgrp_set->objects[idx].data.board_obj;
391 nvgpu_log_info(g, " Done");
392 return 0;
393}
394
395static int _volt_rail_devgrp_pmustatus_instget(struct gk20a *g,
396 void *pboardobjgrppmu, struct nv_pmu_boardobj_query
397 **ppboardobjpmustatus, u8 idx)
398{
399 struct nv_pmu_volt_volt_rail_boardobj_grp_get_status *pgrp_get_status =
400 (struct nv_pmu_volt_volt_rail_boardobj_grp_get_status *)
401 pboardobjgrppmu;
402
403 /*check whether pmuboardobjgrp has a valid boardobj in index*/
404 if (((u32)BIT(idx) &
405 pgrp_get_status->hdr.data.super.obj_mask.super.data[0]) == 0U) {
406 return -EINVAL;
407 }
408
409 *ppboardobjpmustatus = (struct nv_pmu_boardobj_query *)
410 &pgrp_get_status->objects[idx].data.board_obj;
411 return 0;
412}
413
414int volt_rail_sw_setup(struct gk20a *g)
415{
416 int status = 0;
417 struct boardobjgrp *pboardobjgrp = NULL;
418 struct voltage_rail *pvolt_rail;
419 u8 i;
420
421 nvgpu_log_info(g, " ");
422
423 status = boardobjgrpconstruct_e32(g,
424 &g->perf_pmu.volt.volt_rail_metadata.volt_rails);
425 if (status) {
426 nvgpu_err(g,
427 "error creating boardobjgrp for volt rail, status - 0x%x",
428 status);
429 goto done;
430 }
431
432 pboardobjgrp = &g->perf_pmu.volt.volt_rail_metadata.volt_rails.super;
433
434 pboardobjgrp->pmudatainstget = _volt_rail_devgrp_pmudata_instget;
435 pboardobjgrp->pmustatusinstget = _volt_rail_devgrp_pmustatus_instget;
436
437 g->perf_pmu.volt.volt_rail_metadata.pct_delta =
438 NV_PMU_VOLT_VALUE_0V_IN_UV;
439
440 /* Obtain Voltage Rail Table from VBIOS */
441 status = volt_get_volt_rail_table(g, &g->perf_pmu.volt.
442 volt_rail_metadata);
443 if (status) {
444 goto done;
445 }
446
447 /* Populate data for the VOLT_RAIL PMU interface */
448 BOARDOBJGRP_PMU_CONSTRUCT(pboardobjgrp, VOLT, VOLT_RAIL);
449
450 status = BOARDOBJGRP_PMU_CMD_GRP_SET_CONSTRUCT(g, pboardobjgrp,
451 volt, VOLT, volt_rail, VOLT_RAIL);
452 if (status) {
453 nvgpu_err(g,
454 "error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x",
455 status);
456 goto done;
457 }
458
459 status = BOARDOBJGRP_PMU_CMD_GRP_GET_STATUS_CONSTRUCT(g,
460 &g->perf_pmu.volt.volt_rail_metadata.volt_rails.super,
461 volt, VOLT, volt_rail, VOLT_RAIL);
462 if (status) {
463 nvgpu_err(g,
464 "error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x",
465 status);
466 goto done;
467 }
468
469 /* update calibration to fuse */
470 BOARDOBJGRP_FOR_EACH(&(g->perf_pmu.volt.volt_rail_metadata.
471 volt_rails.super),
472 struct voltage_rail *, pvolt_rail, i) {
473 status = volt_rail_state_init(g, pvolt_rail);
474 if (status) {
475 nvgpu_err(g,
476 "Failure while executing RAIL's state init railIdx = %d",
477 i);
478 goto done;
479 }
480 }
481
482done:
483 nvgpu_log_info(g, " done status %x", status);
484 return status;
485}
diff --git a/include/volt/volt_rail.h b/include/volt/volt_rail.h
new file mode 100644
index 0000000..72bb254
--- /dev/null
+++ b/include/volt/volt_rail.h
@@ -0,0 +1,90 @@
1/*
2* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21*/
22
23
24#ifndef NVGPU_VOLT_RAIL_H
25#define NVGPU_VOLT_RAIL_H
26
27#include "boardobj/boardobj.h"
28#include "boardobj/boardobjgrp.h"
29
30#define CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES 0x04U
31#define CTRL_PMGR_PWR_EQUATION_INDEX_INVALID 0xFFU
32
33#define VOLT_GET_VOLT_RAIL(pvolt, rail_idx) \
34 ((struct voltage_rail *)BOARDOBJGRP_OBJ_GET_BY_IDX( \
35 &((pvolt)->volt_rail_metadata.volt_rails.super), (rail_idx)))
36
37#define VOLT_RAIL_INDEX_IS_VALID(pvolt, rail_idx) \
38 (boardobjgrp_idxisvalid( \
39 &((pvolt)->volt_rail_metadata.volt_rails.super), (rail_idx)))
40
41#define VOLT_RAIL_VOLT_3X_SUPPORTED(pvolt) \
42 (!BOARDOBJGRP_IS_EMPTY(&((pvolt)->volt_rail_metadata.volt_rails.super)))
43
44/*!
45 * extends boardobj providing attributes common to all voltage_rails.
46 */
47struct voltage_rail {
48 struct boardobj super;
49 u32 boot_voltage_uv;
50 u8 rel_limit_vfe_equ_idx;
51 u8 alt_rel_limit_vfe_equ_idx;
52 u8 ov_limit_vfe_equ_idx;
53 u8 pwr_equ_idx;
54 u8 volt_scale_exp_pwr_equ_idx;
55 u8 volt_dev_idx_default;
56 u8 volt_dev_idx_ipc_vmin;
57 u8 boot_volt_vfe_equ_idx;
58 u8 vmin_limit_vfe_equ_idx;
59 u8 volt_margin_limit_vfe_equ_idx;
60 u32 volt_margin_limit_vfe_equ_mon_handle;
61 u32 rel_limit_vfe_equ_mon_handle;
62 u32 alt_rel_limit_vfe_equ_mon_handle;
63 u32 ov_limit_vfe_equ_mon_handle;
64 struct boardobjgrpmask_e32 volt_dev_mask;
65 s32 volt_delta_uv[CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES];
66};
67
68/*!
69 * metadata of voltage rail functionality.
70 */
71struct voltage_rail_metadata {
72 u8 volt_domain_hal;
73 u8 pct_delta;
74 u32 ext_rel_delta_uv[CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES];
75 u8 logic_rail_idx;
76 u8 sram_rail_idx;
77 struct boardobjgrp_e32 volt_rails;
78};
79
80u8 volt_rail_vbios_volt_domain_convert_to_internal
81 (struct gk20a *g, u8 vbios_volt_domain);
82
83u32 volt_rail_volt_dev_register(struct gk20a *g, struct voltage_rail
84 *pvolt_rail, u8 volt_dev_idx, u8 operation_type);
85
86u8 volt_rail_volt_domain_convert_to_idx(struct gk20a *g, u8 volt_domain);
87
88int volt_rail_sw_setup(struct gk20a *g);
89int volt_rail_pmu_setup(struct gk20a *g);
90#endif /* NVGPU_VOLT_RAIL_H */
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-13 07:04:13 -0500