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 
vega10_copy_table_from_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)38 static 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 	smu9_send_msg_to_smc_with_parameter(hwmgr,
51 			PPSMC_MSG_SetDriverDramAddrHigh,
52 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
53 	smu9_send_msg_to_smc_with_parameter(hwmgr,
54 			PPSMC_MSG_SetDriverDramAddrLow,
55 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
56 	smu9_send_msg_to_smc_with_parameter(hwmgr,
57 			PPSMC_MSG_TransferTableSmu2Dram,
58 			priv->smu_tables.entry[table_id].table_id);
59 
60 	/* flush hdp cache */
61 	adev->nbio_funcs->hdp_flush(adev, NULL);
62 
63 	memcpy(table, priv->smu_tables.entry[table_id].table,
64 			priv->smu_tables.entry[table_id].size);
65 
66 	return 0;
67 }
68 
vega10_copy_table_to_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)69 static int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
70 		uint8_t *table, int16_t table_id)
71 {
72 	struct vega10_smumgr *priv = hwmgr->smu_backend;
73 
74 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
75 			"Invalid SMU Table ID!", return -EINVAL);
76 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
77 			"Invalid SMU Table version!", return -EINVAL);
78 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
79 			"Invalid SMU Table Length!", return -EINVAL);
80 
81 	memcpy(priv->smu_tables.entry[table_id].table, table,
82 			priv->smu_tables.entry[table_id].size);
83 
84 	smu9_send_msg_to_smc_with_parameter(hwmgr,
85 			PPSMC_MSG_SetDriverDramAddrHigh,
86 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
87 	smu9_send_msg_to_smc_with_parameter(hwmgr,
88 			PPSMC_MSG_SetDriverDramAddrLow,
89 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
90 	smu9_send_msg_to_smc_with_parameter(hwmgr,
91 			PPSMC_MSG_TransferTableDram2Smu,
92 			priv->smu_tables.entry[table_id].table_id);
93 
94 	return 0;
95 }
96 
vega10_enable_smc_features(struct pp_hwmgr * hwmgr,bool enable,uint32_t feature_mask)97 int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
98 			       bool enable, uint32_t feature_mask)
99 {
100 	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
101 			PPSMC_MSG_DisableSmuFeatures;
102 
103 	return smum_send_msg_to_smc_with_parameter(hwmgr,
104 			msg, feature_mask);
105 }
106 
vega10_get_enabled_smc_features(struct pp_hwmgr * hwmgr,uint64_t * features_enabled)107 int vega10_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
108 			    uint64_t *features_enabled)
109 {
110 	if (features_enabled == NULL)
111 		return -EINVAL;
112 
113 	smu9_send_msg_to_smc(hwmgr, PPSMC_MSG_GetEnabledSmuFeatures);
114 	*features_enabled = smu9_get_argument(hwmgr);
115 
116 	return 0;
117 }
118 
vega10_is_dpm_running(struct pp_hwmgr * hwmgr)119 static bool vega10_is_dpm_running(struct pp_hwmgr *hwmgr)
120 {
121 	uint64_t features_enabled = 0;
122 
123 	vega10_get_enabled_smc_features(hwmgr, &features_enabled);
124 
125 	if (features_enabled & SMC_DPM_FEATURES)
126 		return true;
127 	else
128 		return false;
129 }
130 
vega10_set_tools_address(struct pp_hwmgr * hwmgr)131 static int vega10_set_tools_address(struct pp_hwmgr *hwmgr)
132 {
133 	struct vega10_smumgr *priv = hwmgr->smu_backend;
134 
135 	if (priv->smu_tables.entry[TOOLSTABLE].mc_addr) {
136 		smu9_send_msg_to_smc_with_parameter(hwmgr,
137 				PPSMC_MSG_SetToolsDramAddrHigh,
138 				upper_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr));
139 		smu9_send_msg_to_smc_with_parameter(hwmgr,
140 				PPSMC_MSG_SetToolsDramAddrLow,
141 				lower_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr));
142 	}
143 	return 0;
144 }
145 
vega10_verify_smc_interface(struct pp_hwmgr * hwmgr)146 static int vega10_verify_smc_interface(struct pp_hwmgr *hwmgr)
147 {
148 	uint32_t smc_driver_if_version;
149 	struct amdgpu_device *adev = hwmgr->adev;
150 	uint32_t dev_id;
151 	uint32_t rev_id;
152 
153 	PP_ASSERT_WITH_CODE(!smu9_send_msg_to_smc(hwmgr,
154 			PPSMC_MSG_GetDriverIfVersion),
155 			"Attempt to get SMC IF Version Number Failed!",
156 			return -EINVAL);
157 	smc_driver_if_version = smu9_get_argument(hwmgr);
158 
159 	dev_id = adev->pdev->device;
160 	rev_id = adev->pdev->revision;
161 
162 	if (!((dev_id == 0x687f) &&
163 		((rev_id == 0xc0) ||
164 		(rev_id == 0xc1) ||
165 		(rev_id == 0xc3)))) {
166 		if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
167 			pr_err("Your firmware(0x%x) doesn't match SMU9_DRIVER_IF_VERSION(0x%x). Please update your firmware!\n",
168 			       smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
169 			return -EINVAL;
170 		}
171 	}
172 
173 	return 0;
174 }
175 
vega10_smu_init(struct pp_hwmgr * hwmgr)176 static int vega10_smu_init(struct pp_hwmgr *hwmgr)
177 {
178 	struct vega10_smumgr *priv;
179 	unsigned long tools_size;
180 	int ret;
181 	struct cgs_firmware_info info = {0};
182 
183 	ret = cgs_get_firmware_info(hwmgr->device,
184 				    CGS_UCODE_ID_SMU,
185 				    &info);
186 	if (ret || !info.kptr)
187 		return -EINVAL;
188 
189 	priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);
190 
191 	if (!priv)
192 		return -ENOMEM;
193 
194 	hwmgr->smu_backend = priv;
195 
196 	/* allocate space for pptable */
197 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
198 			sizeof(PPTable_t),
199 			PAGE_SIZE,
200 			AMDGPU_GEM_DOMAIN_VRAM,
201 			&priv->smu_tables.entry[PPTABLE].handle,
202 			&priv->smu_tables.entry[PPTABLE].mc_addr,
203 			&priv->smu_tables.entry[PPTABLE].table);
204 	if (ret)
205 		goto free_backend;
206 
207 	priv->smu_tables.entry[PPTABLE].version = 0x01;
208 	priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
209 	priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
210 
211 	/* allocate space for watermarks table */
212 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
213 			sizeof(Watermarks_t),
214 			PAGE_SIZE,
215 			AMDGPU_GEM_DOMAIN_VRAM,
216 			&priv->smu_tables.entry[WMTABLE].handle,
217 			&priv->smu_tables.entry[WMTABLE].mc_addr,
218 			&priv->smu_tables.entry[WMTABLE].table);
219 
220 	if (ret)
221 		goto err0;
222 
223 	priv->smu_tables.entry[WMTABLE].version = 0x01;
224 	priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
225 	priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
226 
227 	/* allocate space for AVFS table */
228 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
229 			sizeof(AvfsTable_t),
230 			PAGE_SIZE,
231 			AMDGPU_GEM_DOMAIN_VRAM,
232 			&priv->smu_tables.entry[AVFSTABLE].handle,
233 			&priv->smu_tables.entry[AVFSTABLE].mc_addr,
234 			&priv->smu_tables.entry[AVFSTABLE].table);
235 
236 	if (ret)
237 		goto err1;
238 
239 	priv->smu_tables.entry[AVFSTABLE].version = 0x01;
240 	priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
241 	priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
242 
243 	tools_size = 0x19000;
244 	if (tools_size) {
245 		ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
246 				tools_size,
247 				PAGE_SIZE,
248 				AMDGPU_GEM_DOMAIN_VRAM,
249 				&priv->smu_tables.entry[TOOLSTABLE].handle,
250 				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
251 				&priv->smu_tables.entry[TOOLSTABLE].table);
252 		if (ret)
253 			goto err2;
254 		priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
255 		priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
256 		priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
257 	}
258 
259 	/* allocate space for AVFS Fuse table */
260 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
261 			sizeof(AvfsFuseOverride_t),
262 			PAGE_SIZE,
263 			AMDGPU_GEM_DOMAIN_VRAM,
264 			&priv->smu_tables.entry[AVFSFUSETABLE].handle,
265 			&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
266 			&priv->smu_tables.entry[AVFSFUSETABLE].table);
267 	if (ret)
268 		goto err3;
269 
270 	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
271 	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
272 	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
273 
274 
275 	return 0;
276 
277 err3:
278 	if (priv->smu_tables.entry[TOOLSTABLE].table)
279 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
280 				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
281 				&priv->smu_tables.entry[TOOLSTABLE].table);
282 err2:
283 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSTABLE].handle,
284 				&priv->smu_tables.entry[AVFSTABLE].mc_addr,
285 				&priv->smu_tables.entry[AVFSTABLE].table);
286 err1:
287 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
288 				&priv->smu_tables.entry[WMTABLE].mc_addr,
289 				&priv->smu_tables.entry[WMTABLE].table);
290 err0:
291 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
292 			&priv->smu_tables.entry[PPTABLE].mc_addr,
293 			&priv->smu_tables.entry[PPTABLE].table);
294 free_backend:
295 	kfree(hwmgr->smu_backend);
296 
297 	return -EINVAL;
298 }
299 
vega10_smu_fini(struct pp_hwmgr * hwmgr)300 static int vega10_smu_fini(struct pp_hwmgr *hwmgr)
301 {
302 	struct vega10_smumgr *priv = hwmgr->smu_backend;
303 
304 	if (priv) {
305 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
306 				&priv->smu_tables.entry[PPTABLE].mc_addr,
307 				&priv->smu_tables.entry[PPTABLE].table);
308 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
309 					&priv->smu_tables.entry[WMTABLE].mc_addr,
310 					&priv->smu_tables.entry[WMTABLE].table);
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);
314 		if (priv->smu_tables.entry[TOOLSTABLE].table)
315 			amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
316 					&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
317 					&priv->smu_tables.entry[TOOLSTABLE].table);
318 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSFUSETABLE].handle,
319 					&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
320 					&priv->smu_tables.entry[AVFSFUSETABLE].table);
321 		kfree(hwmgr->smu_backend);
322 		hwmgr->smu_backend = NULL;
323 	}
324 	return 0;
325 }
326 
vega10_start_smu(struct pp_hwmgr * hwmgr)327 static int vega10_start_smu(struct pp_hwmgr *hwmgr)
328 {
329 	if (!smu9_is_smc_ram_running(hwmgr))
330 		return -EINVAL;
331 
332 	PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(hwmgr),
333 			"Failed to verify SMC interface!",
334 			return -EINVAL);
335 
336 	vega10_set_tools_address(hwmgr);
337 
338 	return 0;
339 }
340 
vega10_smc_table_manager(struct pp_hwmgr * hwmgr,uint8_t * table,uint16_t table_id,bool rw)341 static int vega10_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table,
342 				    uint16_t table_id, bool rw)
343 {
344 	int ret;
345 
346 	if (rw)
347 		ret = vega10_copy_table_from_smc(hwmgr, table, table_id);
348 	else
349 		ret = vega10_copy_table_to_smc(hwmgr, table, table_id);
350 
351 	return ret;
352 }
353 
354 const struct pp_smumgr_func vega10_smu_funcs = {
355 	.name = "vega10_smu",
356 	.smu_init = &vega10_smu_init,
357 	.smu_fini = &vega10_smu_fini,
358 	.start_smu = &vega10_start_smu,
359 	.request_smu_load_specific_fw = NULL,
360 	.send_msg_to_smc = &smu9_send_msg_to_smc,
361 	.send_msg_to_smc_with_parameter = &smu9_send_msg_to_smc_with_parameter,
362 	.download_pptable_settings = NULL,
363 	.upload_pptable_settings = NULL,
364 	.is_dpm_running = vega10_is_dpm_running,
365 	.get_argument = smu9_get_argument,
366 	.smc_table_manager = vega10_smc_table_manager,
367 };
368