summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
blob: 4cb5d3460fef078e39c122a2e26903583f8f7e65 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
/*
 * Copyright 2016 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#include "smumgr.h"
#include "vega10_inc.h"
#include "pp_soc15.h"
#include "vega10_smumgr.h"
#include "vega10_ppsmc.h"
#include "smu9_driver_if.h"

#include "ppatomctrl.h"
#include "pp_debug.h"
#include "smu_ucode_xfer_vi.h"
#include "smu7_smumgr.h"

#define AVFS_EN_MSB		1568
#define AVFS_EN_LSB		1568

#define VOLTAGE_SCALE	4

/* Microcode file is stored in this buffer */
#define BUFFER_SIZE                 80000
#define MAX_STRING_SIZE             15
#define BUFFER_SIZETWO              131072 /* 128 *1024 */

/* MP Apertures */
#define MP0_Public                  0x03800000
#define MP0_SRAM                    0x03900000
#define MP1_Public                  0x03b00000
#define MP1_SRAM                    0x03c00004

#define smnMP1_FIRMWARE_FLAGS                                                                           0x3010028
#define smnMP0_FW_INTF                                                                                  0x3010104
#define smnMP1_PUB_CTRL                                                                                 0x3010b14

static bool vega10_is_smc_ram_running(struct pp_hwmgr *hwmgr)
{
	uint32_t mp1_fw_flags, reg;

	reg = soc15_get_register_offset(NBIF_HWID, 0,
			mmPCIE_INDEX2_BASE_IDX, mmPCIE_INDEX2);

	cgs_write_register(hwmgr->device, reg,
			(MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff)));

	reg = soc15_get_register_offset(NBIF_HWID, 0,
			mmPCIE_DATA2_BASE_IDX, mmPCIE_DATA2);

	mp1_fw_flags = cgs_read_register(hwmgr->device, reg);

	if (mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK)
		return true;

	return false;
}

/*
 * Check if SMC has responded to previous message.
 *
 * @param    smumgr  the address of the powerplay hardware manager.
 * @return   TRUE    SMC has responded, FALSE otherwise.
 */
static uint32_t vega10_wait_for_response(struct pp_hwmgr *hwmgr)
{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(hwmgr))
		return -EINVAL;

	reg = soc15_get_register_offset(MP1_HWID, 0,
			mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);

	smum_wait_for_register_unequal(hwmgr, reg,
			0, MP1_C2PMSG_90__CONTENT_MASK);

	return cgs_read_register(hwmgr->device, reg);
}

/*
 * Send a message to the SMC, and do not wait for its response.
 * @param    smumgr  the address of the powerplay hardware manager.
 * @param    msg the message to send.
 * @return   Always return 0.
 */
int vega10_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
		uint16_t msg)
{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(hwmgr))
		return -EINVAL;

	reg = soc15_get_register_offset(MP1_HWID, 0,
			mmMP1_SMN_C2PMSG_66_BASE_IDX, mmMP1_SMN_C2PMSG_66);
	cgs_write_register(hwmgr->device, reg, msg);

	return 0;
}

/*
 * Send a message to the SMC, and wait for its response.
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @param    msg the message to send.
 * @return   Always return 0.
 */
int vega10_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(hwmgr))
		return -EINVAL;

	vega10_wait_for_response(hwmgr);

	reg = soc15_get_register_offset(MP1_HWID, 0,
			mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
	cgs_write_register(hwmgr->device, reg, 0);

	vega10_send_msg_to_smc_without_waiting(hwmgr, msg);

	if (vega10_wait_for_response(hwmgr) != 1)
		pr_err("Failed to send message: 0x%x\n", msg);

	return 0;
}

/*
 * Send a message to the SMC with parameter
 * @param    hwmgr:  the address of the powerplay hardware manager.
 * @param    msg: the message to send.
 * @param    parameter: the parameter to send
 * @return   Always return 0.
 */
int vega10_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
		uint16_t msg, uint32_t parameter)
{
	uint32_t reg;

	if (!vega10_is_smc_ram_running(hwmgr))
		return -EINVAL;

	vega10_wait_for_response(hwmgr);

	reg = soc15_get_register_offset(MP1_HWID, 0,
			mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
	cgs_write_register(hwmgr->device, reg, 0);

	reg = soc15_get_register_offset(MP1_HWID, 0,
			mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
	cgs_write_register(hwmgr->device, reg, parameter);

	vega10_send_msg_to_smc_without_waiting(hwmgr, msg);

	if (vega10_wait_for_response(hwmgr) != 1)
		pr_err("Failed to send message: 0x%x\n", msg);

	return 0;
}


/*
 * Send a message to the SMC with parameter, do not wait for response
 * @param    hwmgr:  the address of the powerplay hardware manager.
 * @param    msg: the message to send.
 * @param    parameter: the parameter to send
 * @return   The response that came from the SMC.
 */
int vega10_send_msg_to_smc_with_parameter_without_waiting(
		struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter)
{
	uint32_t reg;

	reg = soc15_get_register_offset(MP1_HWID, 0,
			mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
	cgs_write_register(hwmgr->device, reg, parameter);

	return vega10_send_msg_to_smc_without_waiting(hwmgr, msg);
}

/*
 * Retrieve an argument from SMC.
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @param    arg     pointer to store the argument from SMC.
 * @return   Always return 0.
 */
int vega10_read_arg_from_smc(struct pp_hwmgr *hwmgr, uint32_t *arg)
{
	uint32_t reg;

	reg = soc15_get_register_offset(MP1_HWID, 0,
			mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);

	*arg = cgs_read_register(hwmgr->device, reg);

	return 0;
}

/*
 * Copy table from SMC into driver FB
 * @param   hwmgr    the address of the HW manager
 * @param   table_id    the driver's table ID to copy from
 */
int vega10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
		uint8_t *table, int16_t table_id)
{
	struct vega10_smumgr *priv =
			(struct vega10_smumgr *)(hwmgr->smu_backend);

	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
			"Invalid SMU Table ID!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
			"Invalid SMU Table version!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
			"Invalid SMU Table Length!", return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
			PPSMC_MSG_SetDriverDramAddrHigh,
			priv->smu_tables.entry[table_id].table_addr_high) == 0,
			"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
			PPSMC_MSG_SetDriverDramAddrLow,
			priv->smu_tables.entry[table_id].table_addr_low) == 0,
			"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
			return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
			PPSMC_MSG_TransferTableSmu2Dram,
			priv->smu_tables.entry[table_id].table_id) == 0,
			"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
			return -EINVAL);

	memcpy(table, priv->smu_tables.entry[table_id].table,
			priv->smu_tables.entry[table_id].size);

	return 0;
}

/*
 * Copy table from Driver FB into SMC
 * @param   hwmgr    the address of the HW manager
 * @param   table_id    the table to copy from
 */
int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
		uint8_t *table, int16_t table_id)
{
	struct vega10_smumgr *priv =
			(struct vega10_smumgr *)(hwmgr->smu_backend);

	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
			"Invalid SMU Table ID!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
			"Invalid SMU Table version!", return -EINVAL);
	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
			"Invalid SMU Table Length!", return -EINVAL);

	memcpy(priv->smu_tables.entry[table_id].table, table,
			priv->smu_tables.entry[table_id].size);

	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
			PPSMC_MSG_SetDriverDramAddrHigh,
			priv->smu_tables.entry[table_id].table_addr_high) == 0,
			"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
			return -EINVAL;);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
			PPSMC_MSG_SetDriverDramAddrLow,
			priv->smu_tables.entry[table_id].table_addr_low) == 0,
			"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
			return -EINVAL);
	PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
			PPSMC_MSG_TransferTableDram2Smu,
			priv->smu_tables.entry[table_id].table_id) == 0,
			"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
			return -EINVAL);

	return 0;
}

int vega10_save_vft_table(struct pp_hwmgr *hwmgr, uint8_t *avfs_table)
{
	PP_ASSERT_WITH_CODE(avfs_table,
			"No access to SMC AVFS Table",
			return -EINVAL);

	return vega10_copy_table_from_smc(hwmgr, avfs_table, AVFSTABLE);
}

int vega10_restore_vft_table(struct pp_hwmgr *hwmgr, uint8_t *avfs_table)
{
	PP_ASSERT_WITH_CODE(avfs_table,
			"No access to SMC AVFS Table",
			return -EINVAL);

	return vega10_copy_table_to_smc(hwmgr, avfs_table, AVFSTABLE);
}

int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
		bool enable, uint32_t feature_mask)
{
	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
			PPSMC_MSG_DisableSmuFeatures;

	return vega10_send_msg_to_smc_with_parameter(hwmgr,
			msg, feature_mask);
}

int vega10_get_smc_features(struct pp_hwmgr *hwmgr,
		uint32_t *features_enabled)
{
	if (features_enabled == NULL)
		return -EINVAL;

	if (!vega10_send_msg_to_smc(hwmgr,
			PPSMC_MSG_GetEnabledSmuFeatures)) {
		vega10_read_arg_from_smc(hwmgr, features_enabled);
		return 0;
	}

	return -EINVAL;
}

int vega10_set_tools_address(struct pp_hwmgr *hwmgr)
{
	struct vega10_smumgr *priv =
			(struct vega10_smumgr *)(hwmgr->smu_backend);

	if (priv->smu_tables.entry[TOOLSTABLE].table_addr_high ||
			priv->smu_tables.entry[TOOLSTABLE].table_addr_low) {
		if (!vega10_send_msg_to_smc_with_parameter(hwmgr,
				PPSMC_MSG_SetToolsDramAddrHigh,
				priv->smu_tables.entry[TOOLSTABLE].table_addr_high))
			vega10_send_msg_to_smc_with_parameter(hwmgr,
					PPSMC_MSG_SetToolsDramAddrLow,
					priv->smu_tables.entry[TOOLSTABLE].table_addr_low);
	}
	return 0;
}

static int vega10_verify_smc_interface(struct pp_hwmgr *hwmgr)
{
	uint32_t smc_driver_if_version;
	struct cgs_system_info sys_info = {0};
	uint32_t dev_id;
	uint32_t rev_id;

	PP_ASSERT_WITH_CODE(!vega10_send_msg_to_smc(hwmgr,
			PPSMC_MSG_GetDriverIfVersion),
			"Attempt to get SMC IF Version Number Failed!",
			return -EINVAL);
	vega10_read_arg_from_smc(hwmgr, &smc_driver_if_version);

	sys_info.size = sizeof(struct cgs_system_info);
	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV;
	cgs_query_system_info(hwmgr->device, &sys_info);
	dev_id = (uint32_t)sys_info.value;

	sys_info.size = sizeof(struct cgs_system_info);
	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV;
	cgs_query_system_info(hwmgr->device, &sys_info);
	rev_id = (uint32_t)sys_info.value;

	if (!((dev_id == 0x687f) &&
		((rev_id == 0xc0) ||
		(rev_id == 0xc1) ||
		(rev_id == 0xc3)))) {
		if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
			pr_err("Your firmware(0x%x) doesn't match \
				SMU9_DRIVER_IF_VERSION(0x%x). \
				Please update your firmware!\n",
				smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
			return -EINVAL;
		}
	}

	return 0;
}

static int vega10_smu_init(struct pp_hwmgr *hwmgr)
{
	struct vega10_smumgr *priv;
	uint64_t mc_addr;
	void *kaddr = NULL;
	unsigned long handle, tools_size;
	int ret;
	struct cgs_firmware_info info = {0};

	ret = cgs_get_firmware_info(hwmgr->device,
				    smu7_convert_fw_type_to_cgs(UCODE_ID_SMU),
				    &info);
	if (ret || !info.kptr)
		return -EINVAL;

	priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);

	if (!priv)
		return -ENOMEM;

	hwmgr->smu_backend = priv;

	/* allocate space for pptable */
	smu_allocate_memory(hwmgr->device,
			sizeof(PPTable_t),
			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
			PAGE_SIZE,
			&mc_addr,
			&kaddr,
			&handle);

	PP_ASSERT_WITH_CODE(kaddr,
			"[vega10_smu_init] Out of memory for pptable.",
			kfree(hwmgr->smu_backend);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)handle);
			return -EINVAL);

	priv->smu_tables.entry[PPTABLE].version = 0x01;
	priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
	priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
	priv->smu_tables.entry[PPTABLE].table_addr_high =
			smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[PPTABLE].table_addr_low =
			smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[PPTABLE].table = kaddr;
	priv->smu_tables.entry[PPTABLE].handle = handle;

	/* allocate space for watermarks table */
	smu_allocate_memory(hwmgr->device,
			sizeof(Watermarks_t),
			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
			PAGE_SIZE,
			&mc_addr,
			&kaddr,
			&handle);

	PP_ASSERT_WITH_CODE(kaddr,
			"[vega10_smu_init] Out of memory for wmtable.",
			kfree(hwmgr->smu_backend);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)handle);
			return -EINVAL);

	priv->smu_tables.entry[WMTABLE].version = 0x01;
	priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
	priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
	priv->smu_tables.entry[WMTABLE].table_addr_high =
			smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[WMTABLE].table_addr_low =
			smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[WMTABLE].table = kaddr;
	priv->smu_tables.entry[WMTABLE].handle = handle;

	/* allocate space for AVFS table */
	smu_allocate_memory(hwmgr->device,
			sizeof(AvfsTable_t),
			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
			PAGE_SIZE,
			&mc_addr,
			&kaddr,
			&handle);

	PP_ASSERT_WITH_CODE(kaddr,
			"[vega10_smu_init] Out of memory for avfs table.",
			kfree(hwmgr->smu_backend);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)handle);
			return -EINVAL);

	priv->smu_tables.entry[AVFSTABLE].version = 0x01;
	priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
	priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
	priv->smu_tables.entry[AVFSTABLE].table_addr_high =
			smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSTABLE].table_addr_low =
			smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSTABLE].table = kaddr;
	priv->smu_tables.entry[AVFSTABLE].handle = handle;

	tools_size = 0x19000;
	if (tools_size) {
		smu_allocate_memory(hwmgr->device,
				tools_size,
				CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
				PAGE_SIZE,
				&mc_addr,
				&kaddr,
				&handle);

		if (kaddr) {
			priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
			priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
			priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
			priv->smu_tables.entry[TOOLSTABLE].table_addr_high =
					smu_upper_32_bits(mc_addr);
			priv->smu_tables.entry[TOOLSTABLE].table_addr_low =
					smu_lower_32_bits(mc_addr);
			priv->smu_tables.entry[TOOLSTABLE].table = kaddr;
			priv->smu_tables.entry[TOOLSTABLE].handle = handle;
		}
	}

	/* allocate space for AVFS Fuse table */
	smu_allocate_memory(hwmgr->device,
			sizeof(AvfsFuseOverride_t),
			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
			PAGE_SIZE,
			&mc_addr,
			&kaddr,
			&handle);

	PP_ASSERT_WITH_CODE(kaddr,
			"[vega10_smu_init] Out of memory for avfs fuse table.",
			kfree(hwmgr->smu_backend);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
			cgs_free_gpu_mem(hwmgr->device,
			(cgs_handle_t)handle);
			return -EINVAL);

	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_high =
			smu_upper_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_low =
			smu_lower_32_bits(mc_addr);
	priv->smu_tables.entry[AVFSFUSETABLE].table = kaddr;
	priv->smu_tables.entry[AVFSFUSETABLE].handle = handle;

	return 0;
}

static int vega10_smu_fini(struct pp_hwmgr *hwmgr)
{
	struct vega10_smumgr *priv =
			(struct vega10_smumgr *)(hwmgr->smu_backend);

	if (priv) {
		cgs_free_gpu_mem(hwmgr->device,
				(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
		cgs_free_gpu_mem(hwmgr->device,
				(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
		cgs_free_gpu_mem(hwmgr->device,
				(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
		if (priv->smu_tables.entry[TOOLSTABLE].table)
			cgs_free_gpu_mem(hwmgr->device,
					(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
		cgs_free_gpu_mem(hwmgr->device,
				(cgs_handle_t)priv->smu_tables.entry[AVFSFUSETABLE].handle);
		kfree(hwmgr->smu_backend);
		hwmgr->smu_backend = NULL;
	}
	return 0;
}

static int vega10_start_smu(struct pp_hwmgr *hwmgr)
{
	PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(hwmgr),
			"Failed to verify SMC interface!",
			return -EINVAL);

	vega10_set_tools_address(hwmgr);

	return 0;
}

const struct pp_smumgr_func vega10_smu_funcs = {
	.smu_init = &vega10_smu_init,
	.smu_fini = &vega10_smu_fini,
	.start_smu = &vega10_start_smu,
	.request_smu_load_specific_fw = NULL,
	.send_msg_to_smc = &vega10_send_msg_to_smc,
	.send_msg_to_smc_with_parameter = &vega10_send_msg_to_smc_with_parameter,
	.download_pptable_settings = NULL,
	.upload_pptable_settings = NULL,
};
OpenPOWER on IntegriCloud