1/*
2 * Copyright 2016 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <linux/pci.h>
25
26#include "smumgr.h"
27#include "vega10_inc.h"
28#include "soc15_common.h"
29#include "vega10_smumgr.h"
30#include "vega10_hwmgr.h"
31#include "vega10_ppsmc.h"
32#include "smu9_driver_if.h"
33#include "smu9_smumgr.h"
34#include "ppatomctrl.h"
35#include "pp_debug.h"
36
37
38static int vega10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
39		uint8_t *table, int16_t table_id)
40{
41	struct vega10_smumgr *priv = hwmgr->smu_backend;
42	struct amdgpu_device *adev = hwmgr->adev;
43
44	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
45			"Invalid SMU Table ID!", return -EINVAL);
46	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
47			"Invalid SMU Table version!", return -EINVAL);
48	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
49			"Invalid SMU Table Length!", return -EINVAL);
50	smum_send_msg_to_smc_with_parameter(hwmgr,
51			PPSMC_MSG_SetDriverDramAddrHigh,
52			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
53			NULL);
54	smum_send_msg_to_smc_with_parameter(hwmgr,
55			PPSMC_MSG_SetDriverDramAddrLow,
56			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
57			NULL);
58	smum_send_msg_to_smc_with_parameter(hwmgr,
59			PPSMC_MSG_TransferTableSmu2Dram,
60			priv->smu_tables.entry[table_id].table_id,
61			NULL);
62
63	amdgpu_asic_invalidate_hdp(adev, NULL);
64
65	memcpy(table, priv->smu_tables.entry[table_id].table,
66			priv->smu_tables.entry[table_id].size);
67
68	return 0;
69}
70
71static int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
72		uint8_t *table, int16_t table_id)
73{
74	struct vega10_smumgr *priv = hwmgr->smu_backend;
75	struct amdgpu_device *adev = hwmgr->adev;
76
77	/* under sriov, vbios or hypervisor driver
78	 * has already copy table to smc so here only skip it
79	 */
80	if (!hwmgr->not_vf)
81		return 0;
82
83	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
84			"Invalid SMU Table ID!", return -EINVAL);
85	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
86			"Invalid SMU Table version!", return -EINVAL);
87	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
88			"Invalid SMU Table Length!", return -EINVAL);
89
90	memcpy(priv->smu_tables.entry[table_id].table, table,
91			priv->smu_tables.entry[table_id].size);
92
93	amdgpu_asic_flush_hdp(adev, NULL);
94
95	smum_send_msg_to_smc_with_parameter(hwmgr,
96			PPSMC_MSG_SetDriverDramAddrHigh,
97			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
98			NULL);
99	smum_send_msg_to_smc_with_parameter(hwmgr,
100			PPSMC_MSG_SetDriverDramAddrLow,
101			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
102			NULL);
103	smum_send_msg_to_smc_with_parameter(hwmgr,
104			PPSMC_MSG_TransferTableDram2Smu,
105			priv->smu_tables.entry[table_id].table_id,
106			NULL);
107
108	return 0;
109}
110
111int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
112			       bool enable, uint32_t feature_mask)
113{
114	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
115			PPSMC_MSG_DisableSmuFeatures;
116
117	/* VF has no permission to change smu feature due
118	 * to security concern even under pp one vf mode
119	 * it still can't do it. For vega10, the smu in
120	 * vbios will enable the appropriate features.
121	 * */
122	if (!hwmgr->not_vf)
123		return 0;
124
125	return smum_send_msg_to_smc_with_parameter(hwmgr,
126			msg, feature_mask, NULL);
127}
128
129int vega10_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
130			    uint64_t *features_enabled)
131{
132	uint32_t enabled_features;
133
134	if (features_enabled == NULL)
135		return -EINVAL;
136
137	smum_send_msg_to_smc(hwmgr,
138			PPSMC_MSG_GetEnabledSmuFeatures,
139			&enabled_features);
140	*features_enabled = enabled_features;
141
142	return 0;
143}
144
145static bool vega10_is_dpm_running(struct pp_hwmgr *hwmgr)
146{
147	uint64_t features_enabled = 0;
148
149	vega10_get_enabled_smc_features(hwmgr, &features_enabled);
150
151	if (features_enabled & SMC_DPM_FEATURES)
152		return true;
153	else
154		return false;
155}
156
157static int vega10_set_tools_address(struct pp_hwmgr *hwmgr)
158{
159	struct vega10_smumgr *priv = hwmgr->smu_backend;
160
161	if (priv->smu_tables.entry[TOOLSTABLE].mc_addr) {
162		smum_send_msg_to_smc_with_parameter(hwmgr,
163				PPSMC_MSG_SetToolsDramAddrHigh,
164				upper_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr),
165				NULL);
166		smum_send_msg_to_smc_with_parameter(hwmgr,
167				PPSMC_MSG_SetToolsDramAddrLow,
168				lower_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr),
169				NULL);
170	}
171	return 0;
172}
173
174static int vega10_verify_smc_interface(struct pp_hwmgr *hwmgr)
175{
176	uint32_t smc_driver_if_version;
177	struct amdgpu_device *adev = hwmgr->adev;
178	uint32_t dev_id;
179	uint32_t rev_id;
180
181	PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
182			PPSMC_MSG_GetDriverIfVersion,
183			&smc_driver_if_version),
184			"Attempt to get SMC IF Version Number Failed!",
185			return -EINVAL);
186
187	dev_id = adev->pdev->device;
188	rev_id = adev->pdev->revision;
189
190	if (!((dev_id == 0x687f) &&
191		((rev_id == 0xc0) ||
192		(rev_id == 0xc1) ||
193		(rev_id == 0xc3)))) {
194		if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
195			pr_err("Your firmware(0x%x) doesn't match SMU9_DRIVER_IF_VERSION(0x%x). Please update your firmware!\n",
196			       smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
197			return -EINVAL;
198		}
199	}
200
201	return 0;
202}
203
204static int vega10_smu_init(struct pp_hwmgr *hwmgr)
205{
206	struct vega10_smumgr *priv;
207	unsigned long tools_size;
208	int ret;
209	struct cgs_firmware_info info = {0};
210
211	ret = cgs_get_firmware_info(hwmgr->device,
212					CGS_UCODE_ID_SMU,
213					&info);
214	if (ret || !info.kptr)
215		return -EINVAL;
216
217	priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);
218
219	if (!priv)
220		return -ENOMEM;
221
222	hwmgr->smu_backend = priv;
223
224	/* allocate space for pptable */
225	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
226			sizeof(PPTable_t),
227			PAGE_SIZE,
228			AMDGPU_GEM_DOMAIN_VRAM,
229			&priv->smu_tables.entry[PPTABLE].handle,
230			&priv->smu_tables.entry[PPTABLE].mc_addr,
231			&priv->smu_tables.entry[PPTABLE].table);
232	if (ret)
233		goto free_backend;
234
235	priv->smu_tables.entry[PPTABLE].version = 0x01;
236	priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
237	priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
238
239	/* allocate space for watermarks table */
240	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
241			sizeof(Watermarks_t),
242			PAGE_SIZE,
243			AMDGPU_GEM_DOMAIN_VRAM,
244			&priv->smu_tables.entry[WMTABLE].handle,
245			&priv->smu_tables.entry[WMTABLE].mc_addr,
246			&priv->smu_tables.entry[WMTABLE].table);
247
248	if (ret)
249		goto err0;
250
251	priv->smu_tables.entry[WMTABLE].version = 0x01;
252	priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
253	priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
254
255	/* allocate space for AVFS table */
256	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
257			sizeof(AvfsTable_t),
258			PAGE_SIZE,
259			AMDGPU_GEM_DOMAIN_VRAM,
260			&priv->smu_tables.entry[AVFSTABLE].handle,
261			&priv->smu_tables.entry[AVFSTABLE].mc_addr,
262			&priv->smu_tables.entry[AVFSTABLE].table);
263
264	if (ret)
265		goto err1;
266
267	priv->smu_tables.entry[AVFSTABLE].version = 0x01;
268	priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
269	priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
270
271	tools_size = 0x19000;
272	if (tools_size) {
273		ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
274				tools_size,
275				PAGE_SIZE,
276				AMDGPU_GEM_DOMAIN_VRAM,
277				&priv->smu_tables.entry[TOOLSTABLE].handle,
278				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
279				&priv->smu_tables.entry[TOOLSTABLE].table);
280		if (ret)
281			goto err2;
282		priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
283		priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
284		priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
285	}
286
287	/* allocate space for AVFS Fuse table */
288	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
289			sizeof(AvfsFuseOverride_t),
290			PAGE_SIZE,
291			AMDGPU_GEM_DOMAIN_VRAM,
292			&priv->smu_tables.entry[AVFSFUSETABLE].handle,
293			&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
294			&priv->smu_tables.entry[AVFSFUSETABLE].table);
295	if (ret)
296		goto err3;
297
298	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
299	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
300	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
301
302
303	return 0;
304
305err3:
306	if (priv->smu_tables.entry[TOOLSTABLE].table)
307		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
308				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
309				&priv->smu_tables.entry[TOOLSTABLE].table);
310err2:
311	amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSTABLE].handle,
312				&priv->smu_tables.entry[AVFSTABLE].mc_addr,
313				&priv->smu_tables.entry[AVFSTABLE].table);
314err1:
315	amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
316				&priv->smu_tables.entry[WMTABLE].mc_addr,
317				&priv->smu_tables.entry[WMTABLE].table);
318err0:
319	amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
320			&priv->smu_tables.entry[PPTABLE].mc_addr,
321			&priv->smu_tables.entry[PPTABLE].table);
322free_backend:
323	kfree(hwmgr->smu_backend);
324
325	return -EINVAL;
326}
327
328static int vega10_smu_fini(struct pp_hwmgr *hwmgr)
329{
330	struct vega10_smumgr *priv = hwmgr->smu_backend;
331
332	if (priv) {
333		amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
334				&priv->smu_tables.entry[PPTABLE].mc_addr,
335				&priv->smu_tables.entry[PPTABLE].table);
336		amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
337					&priv->smu_tables.entry[WMTABLE].mc_addr,
338					&priv->smu_tables.entry[WMTABLE].table);
339		amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSTABLE].handle,
340					&priv->smu_tables.entry[AVFSTABLE].mc_addr,
341					&priv->smu_tables.entry[AVFSTABLE].table);
342		if (priv->smu_tables.entry[TOOLSTABLE].table)
343			amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
344					&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
345					&priv->smu_tables.entry[TOOLSTABLE].table);
346		amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSFUSETABLE].handle,
347					&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
348					&priv->smu_tables.entry[AVFSFUSETABLE].table);
349		kfree(hwmgr->smu_backend);
350		hwmgr->smu_backend = NULL;
351	}
352	return 0;
353}
354
355static int vega10_start_smu(struct pp_hwmgr *hwmgr)
356{
357	if (!smu9_is_smc_ram_running(hwmgr))
358		return -EINVAL;
359
360	PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(hwmgr),
361			"Failed to verify SMC interface!",
362			return -EINVAL);
363
364	vega10_set_tools_address(hwmgr);
365
366	return 0;
367}
368
369static int vega10_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table,
370				    uint16_t table_id, bool rw)
371{
372	int ret;
373
374	if (rw)
375		ret = vega10_copy_table_from_smc(hwmgr, table, table_id);
376	else
377		ret = vega10_copy_table_to_smc(hwmgr, table, table_id);
378
379	return ret;
380}
381
382const struct pp_smumgr_func vega10_smu_funcs = {
383	.name = "vega10_smu",
384	.smu_init = &vega10_smu_init,
385	.smu_fini = &vega10_smu_fini,
386	.start_smu = &vega10_start_smu,
387	.request_smu_load_specific_fw = NULL,
388	.send_msg_to_smc = &smu9_send_msg_to_smc,
389	.send_msg_to_smc_with_parameter = &smu9_send_msg_to_smc_with_parameter,
390	.download_pptable_settings = NULL,
391	.upload_pptable_settings = NULL,
392	.is_dpm_running = vega10_is_dpm_running,
393	.get_argument = smu9_get_argument,
394	.smc_table_manager = vega10_smc_table_manager,
395};
396