xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/soc15.c (revision 5388b581)
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 #include <linux/firmware.h>
24 #include <linux/slab.h>
25 #include <linux/module.h>
26 #include <linux/pci.h>
27 
28 #include "amdgpu.h"
29 #include "amdgpu_atombios.h"
30 #include "amdgpu_ih.h"
31 #include "amdgpu_uvd.h"
32 #include "amdgpu_vce.h"
33 #include "amdgpu_ucode.h"
34 #include "amdgpu_psp.h"
35 #include "atom.h"
36 #include "amd_pcie.h"
37 
38 #include "uvd/uvd_7_0_offset.h"
39 #include "gc/gc_9_0_offset.h"
40 #include "gc/gc_9_0_sh_mask.h"
41 #include "sdma0/sdma0_4_0_offset.h"
42 #include "sdma1/sdma1_4_0_offset.h"
43 #include "hdp/hdp_4_0_offset.h"
44 #include "hdp/hdp_4_0_sh_mask.h"
45 #include "smuio/smuio_9_0_offset.h"
46 #include "smuio/smuio_9_0_sh_mask.h"
47 #include "nbio/nbio_7_0_default.h"
48 #include "nbio/nbio_7_0_offset.h"
49 #include "nbio/nbio_7_0_sh_mask.h"
50 #include "nbio/nbio_7_0_smn.h"
51 #include "mp/mp_9_0_offset.h"
52 
53 #include "soc15.h"
54 #include "soc15_common.h"
55 #include "gfx_v9_0.h"
56 #include "gmc_v9_0.h"
57 #include "gfxhub_v1_0.h"
58 #include "mmhub_v1_0.h"
59 #include "df_v1_7.h"
60 #include "df_v3_6.h"
61 #include "nbio_v6_1.h"
62 #include "nbio_v7_0.h"
63 #include "nbio_v7_4.h"
64 #include "vega10_ih.h"
65 #include "sdma_v4_0.h"
66 #include "uvd_v7_0.h"
67 #include "vce_v4_0.h"
68 #include "vcn_v1_0.h"
69 #include "vcn_v2_0.h"
70 #include "vcn_v2_5.h"
71 #include "dce_virtual.h"
72 #include "mxgpu_ai.h"
73 #include "amdgpu_smu.h"
74 #include "amdgpu_ras.h"
75 #include "amdgpu_xgmi.h"
76 #include <uapi/linux/kfd_ioctl.h>
77 
78 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
79 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
80 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
81 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
82 
83 /* for Vega20 register name change */
84 #define mmHDP_MEM_POWER_CTRL	0x00d4
85 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK	0x00000001L
86 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK	0x00000002L
87 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK	0x00010000L
88 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK		0x00020000L
89 #define mmHDP_MEM_POWER_CTRL_BASE_IDX	0
90 /*
91  * Indirect registers accessor
92  */
93 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
94 {
95 	unsigned long flags, address, data;
96 	u32 r;
97 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
98 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
99 
100 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
101 	WREG32(address, reg);
102 	(void)RREG32(address);
103 	r = RREG32(data);
104 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
105 	return r;
106 }
107 
108 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
109 {
110 	unsigned long flags, address, data;
111 
112 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
113 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
114 
115 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
116 	WREG32(address, reg);
117 	(void)RREG32(address);
118 	WREG32(data, v);
119 	(void)RREG32(data);
120 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
121 }
122 
123 static u64 soc15_pcie_rreg64(struct amdgpu_device *adev, u32 reg)
124 {
125 	unsigned long flags, address, data;
126 	u64 r;
127 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
128 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
129 
130 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
131 	/* read low 32 bit */
132 	WREG32(address, reg);
133 	(void)RREG32(address);
134 	r = RREG32(data);
135 
136 	/* read high 32 bit*/
137 	WREG32(address, reg + 4);
138 	(void)RREG32(address);
139 	r |= ((u64)RREG32(data) << 32);
140 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
141 	return r;
142 }
143 
144 static void soc15_pcie_wreg64(struct amdgpu_device *adev, u32 reg, u64 v)
145 {
146 	unsigned long flags, address, data;
147 
148 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
149 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
150 
151 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
152 	/* write low 32 bit */
153 	WREG32(address, reg);
154 	(void)RREG32(address);
155 	WREG32(data, (u32)(v & 0xffffffffULL));
156 	(void)RREG32(data);
157 
158 	/* write high 32 bit */
159 	WREG32(address, reg + 4);
160 	(void)RREG32(address);
161 	WREG32(data, (u32)(v >> 32));
162 	(void)RREG32(data);
163 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
164 }
165 
166 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
167 {
168 	unsigned long flags, address, data;
169 	u32 r;
170 
171 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
172 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
173 
174 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
175 	WREG32(address, ((reg) & 0x1ff));
176 	r = RREG32(data);
177 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
178 	return r;
179 }
180 
181 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
182 {
183 	unsigned long flags, address, data;
184 
185 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
186 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
187 
188 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
189 	WREG32(address, ((reg) & 0x1ff));
190 	WREG32(data, (v));
191 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
192 }
193 
194 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
195 {
196 	unsigned long flags, address, data;
197 	u32 r;
198 
199 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
200 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
201 
202 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
203 	WREG32(address, (reg));
204 	r = RREG32(data);
205 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
206 	return r;
207 }
208 
209 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
210 {
211 	unsigned long flags, address, data;
212 
213 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
214 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
215 
216 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
217 	WREG32(address, (reg));
218 	WREG32(data, (v));
219 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
220 }
221 
222 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
223 {
224 	unsigned long flags;
225 	u32 r;
226 
227 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
228 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
229 	r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
230 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
231 	return r;
232 }
233 
234 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
235 {
236 	unsigned long flags;
237 
238 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
239 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
240 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
241 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
242 }
243 
244 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
245 {
246 	unsigned long flags;
247 	u32 r;
248 
249 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
250 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
251 	r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
252 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
253 	return r;
254 }
255 
256 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
257 {
258 	unsigned long flags;
259 
260 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
261 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
262 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
263 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
264 }
265 
266 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
267 {
268 	return adev->nbio.funcs->get_memsize(adev);
269 }
270 
271 static u32 soc15_get_xclk(struct amdgpu_device *adev)
272 {
273 	return adev->clock.spll.reference_freq;
274 }
275 
276 
277 void soc15_grbm_select(struct amdgpu_device *adev,
278 		     u32 me, u32 pipe, u32 queue, u32 vmid)
279 {
280 	u32 grbm_gfx_cntl = 0;
281 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
282 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
283 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
284 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
285 
286 	WREG32_SOC15_RLC_SHADOW(GC, 0, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
287 }
288 
289 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
290 {
291 	/* todo */
292 }
293 
294 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
295 {
296 	/* todo */
297 	return false;
298 }
299 
300 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
301 				     u8 *bios, u32 length_bytes)
302 {
303 	u32 *dw_ptr;
304 	u32 i, length_dw;
305 
306 	if (bios == NULL)
307 		return false;
308 	if (length_bytes == 0)
309 		return false;
310 	/* APU vbios image is part of sbios image */
311 	if (adev->flags & AMD_IS_APU)
312 		return false;
313 
314 	dw_ptr = (u32 *)bios;
315 	length_dw = ALIGN(length_bytes, 4) / 4;
316 
317 	/* set rom index to 0 */
318 	WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
319 	/* read out the rom data */
320 	for (i = 0; i < length_dw; i++)
321 		dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
322 
323 	return true;
324 }
325 
326 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
327 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
328 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
329 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
330 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
331 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
332 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
333 	{ SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
334 	{ SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
335 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
336 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
337 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
338 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
339 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
340 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
341 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
342 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
343 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
344 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
345 	{ SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
346 	{ SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
347 };
348 
349 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
350 					 u32 sh_num, u32 reg_offset)
351 {
352 	uint32_t val;
353 
354 	mutex_lock(&adev->grbm_idx_mutex);
355 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
356 		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
357 
358 	val = RREG32(reg_offset);
359 
360 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
361 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
362 	mutex_unlock(&adev->grbm_idx_mutex);
363 	return val;
364 }
365 
366 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
367 					 bool indexed, u32 se_num,
368 					 u32 sh_num, u32 reg_offset)
369 {
370 	if (indexed) {
371 		return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
372 	} else {
373 		if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
374 			return adev->gfx.config.gb_addr_config;
375 		else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
376 			return adev->gfx.config.db_debug2;
377 		return RREG32(reg_offset);
378 	}
379 }
380 
381 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
382 			    u32 sh_num, u32 reg_offset, u32 *value)
383 {
384 	uint32_t i;
385 	struct soc15_allowed_register_entry  *en;
386 
387 	*value = 0;
388 	for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
389 		en = &soc15_allowed_read_registers[i];
390 		if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
391 					+ en->reg_offset))
392 			continue;
393 
394 		*value = soc15_get_register_value(adev,
395 						  soc15_allowed_read_registers[i].grbm_indexed,
396 						  se_num, sh_num, reg_offset);
397 		return 0;
398 	}
399 	return -EINVAL;
400 }
401 
402 
403 /**
404  * soc15_program_register_sequence - program an array of registers.
405  *
406  * @adev: amdgpu_device pointer
407  * @regs: pointer to the register array
408  * @array_size: size of the register array
409  *
410  * Programs an array or registers with and and or masks.
411  * This is a helper for setting golden registers.
412  */
413 
414 void soc15_program_register_sequence(struct amdgpu_device *adev,
415 					     const struct soc15_reg_golden *regs,
416 					     const u32 array_size)
417 {
418 	const struct soc15_reg_golden *entry;
419 	u32 tmp, reg;
420 	int i;
421 
422 	for (i = 0; i < array_size; ++i) {
423 		entry = &regs[i];
424 		reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
425 
426 		if (entry->and_mask == 0xffffffff) {
427 			tmp = entry->or_mask;
428 		} else {
429 			tmp = RREG32(reg);
430 			tmp &= ~(entry->and_mask);
431 			tmp |= (entry->or_mask & entry->and_mask);
432 		}
433 
434 		if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
435 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
436 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
437 			reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
438 			WREG32_RLC(reg, tmp);
439 		else
440 			WREG32(reg, tmp);
441 
442 	}
443 
444 }
445 
446 static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
447 {
448 	u32 i;
449 	int ret = 0;
450 
451 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
452 
453 	dev_info(adev->dev, "GPU mode1 reset\n");
454 
455 	/* disable BM */
456 	pci_clear_master(adev->pdev);
457 
458 	pci_save_state(adev->pdev);
459 
460 	ret = psp_gpu_reset(adev);
461 	if (ret)
462 		dev_err(adev->dev, "GPU mode1 reset failed\n");
463 
464 	pci_restore_state(adev->pdev);
465 
466 	/* wait for asic to come out of reset */
467 	for (i = 0; i < adev->usec_timeout; i++) {
468 		u32 memsize = adev->nbio.funcs->get_memsize(adev);
469 
470 		if (memsize != 0xffffffff)
471 			break;
472 		udelay(1);
473 	}
474 
475 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
476 
477 	return ret;
478 }
479 
480 static int soc15_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap)
481 {
482 	if (is_support_sw_smu(adev)) {
483 		struct smu_context *smu = &adev->smu;
484 
485 		*cap = smu_baco_is_support(smu);
486 		return 0;
487 	} else {
488 		void *pp_handle = adev->powerplay.pp_handle;
489 		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
490 
491 		if (!pp_funcs || !pp_funcs->get_asic_baco_capability) {
492 			*cap = false;
493 			return -ENOENT;
494 		}
495 
496 		return pp_funcs->get_asic_baco_capability(pp_handle, cap);
497 	}
498 }
499 
500 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
501 {
502 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
503 
504 	/* avoid NBIF got stuck when do RAS recovery in BACO reset */
505 	if (ras && ras->supported)
506 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
507 
508 	dev_info(adev->dev, "GPU BACO reset\n");
509 
510 	if (is_support_sw_smu(adev)) {
511 		struct smu_context *smu = &adev->smu;
512 
513 		if (smu_baco_reset(smu))
514 			return -EIO;
515 	} else {
516 		void *pp_handle = adev->powerplay.pp_handle;
517 		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
518 
519 		if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state)
520 			return -ENOENT;
521 
522 		/* enter BACO state */
523 		if (pp_funcs->set_asic_baco_state(pp_handle, 1))
524 			return -EIO;
525 
526 		/* exit BACO state */
527 		if (pp_funcs->set_asic_baco_state(pp_handle, 0))
528 			return -EIO;
529 	}
530 
531 	/* re-enable doorbell interrupt after BACO exit */
532 	if (ras && ras->supported)
533 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
534 
535 	return 0;
536 }
537 
538 static int soc15_mode2_reset(struct amdgpu_device *adev)
539 {
540 	if (is_support_sw_smu(adev))
541 		return smu_mode2_reset(&adev->smu);
542 	if (!adev->powerplay.pp_funcs ||
543 	    !adev->powerplay.pp_funcs->asic_reset_mode_2)
544 		return -ENOENT;
545 
546 	return adev->powerplay.pp_funcs->asic_reset_mode_2(adev->powerplay.pp_handle);
547 }
548 
549 static enum amd_reset_method
550 soc15_asic_reset_method(struct amdgpu_device *adev)
551 {
552 	bool baco_reset;
553 
554 	switch (adev->asic_type) {
555 	case CHIP_RAVEN:
556 	case CHIP_RENOIR:
557 		return AMD_RESET_METHOD_MODE2;
558 	case CHIP_VEGA10:
559 	case CHIP_VEGA12:
560 		soc15_asic_get_baco_capability(adev, &baco_reset);
561 		break;
562 	case CHIP_VEGA20:
563 		if (adev->psp.sos_fw_version >= 0x80067)
564 			soc15_asic_get_baco_capability(adev, &baco_reset);
565 		else
566 			baco_reset = false;
567 		if (baco_reset) {
568 			struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0);
569 			struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
570 
571 			if (hive || (ras && ras->supported))
572 				baco_reset = false;
573 		}
574 		break;
575 	default:
576 		baco_reset = false;
577 		break;
578 	}
579 
580 	if (baco_reset)
581 		return AMD_RESET_METHOD_BACO;
582 	else
583 		return AMD_RESET_METHOD_MODE1;
584 }
585 
586 static int soc15_asic_reset(struct amdgpu_device *adev)
587 {
588 	switch (soc15_asic_reset_method(adev)) {
589 		case AMD_RESET_METHOD_BACO:
590 			if (!adev->in_suspend)
591 				amdgpu_inc_vram_lost(adev);
592 			return soc15_asic_baco_reset(adev);
593 		case AMD_RESET_METHOD_MODE2:
594 			return soc15_mode2_reset(adev);
595 		default:
596 			if (!adev->in_suspend)
597 				amdgpu_inc_vram_lost(adev);
598 			return soc15_asic_mode1_reset(adev);
599 	}
600 }
601 
602 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
603 			u32 cntl_reg, u32 status_reg)
604 {
605 	return 0;
606 }*/
607 
608 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
609 {
610 	/*int r;
611 
612 	r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
613 	if (r)
614 		return r;
615 
616 	r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
617 	*/
618 	return 0;
619 }
620 
621 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
622 {
623 	/* todo */
624 
625 	return 0;
626 }
627 
628 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
629 {
630 	if (pci_is_root_bus(adev->pdev->bus))
631 		return;
632 
633 	if (amdgpu_pcie_gen2 == 0)
634 		return;
635 
636 	if (adev->flags & AMD_IS_APU)
637 		return;
638 
639 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
640 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
641 		return;
642 
643 	/* todo */
644 }
645 
646 static void soc15_program_aspm(struct amdgpu_device *adev)
647 {
648 
649 	if (amdgpu_aspm == 0)
650 		return;
651 
652 	/* todo */
653 }
654 
655 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
656 					   bool enable)
657 {
658 	adev->nbio.funcs->enable_doorbell_aperture(adev, enable);
659 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, enable);
660 }
661 
662 static const struct amdgpu_ip_block_version vega10_common_ip_block =
663 {
664 	.type = AMD_IP_BLOCK_TYPE_COMMON,
665 	.major = 2,
666 	.minor = 0,
667 	.rev = 0,
668 	.funcs = &soc15_common_ip_funcs,
669 };
670 
671 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
672 {
673 	return adev->nbio.funcs->get_rev_id(adev);
674 }
675 
676 int soc15_set_ip_blocks(struct amdgpu_device *adev)
677 {
678 	/* Set IP register base before any HW register access */
679 	switch (adev->asic_type) {
680 	case CHIP_VEGA10:
681 	case CHIP_VEGA12:
682 	case CHIP_RAVEN:
683 	case CHIP_RENOIR:
684 		vega10_reg_base_init(adev);
685 		break;
686 	case CHIP_VEGA20:
687 		vega20_reg_base_init(adev);
688 		break;
689 	case CHIP_ARCTURUS:
690 		arct_reg_base_init(adev);
691 		break;
692 	default:
693 		return -EINVAL;
694 	}
695 
696 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
697 		adev->gmc.xgmi.supported = true;
698 
699 	if (adev->flags & AMD_IS_APU) {
700 		adev->nbio.funcs = &nbio_v7_0_funcs;
701 		adev->nbio.hdp_flush_reg = &nbio_v7_0_hdp_flush_reg;
702 	} else if (adev->asic_type == CHIP_VEGA20 ||
703 		   adev->asic_type == CHIP_ARCTURUS) {
704 		adev->nbio.funcs = &nbio_v7_4_funcs;
705 		adev->nbio.hdp_flush_reg = &nbio_v7_4_hdp_flush_reg;
706 	} else {
707 		adev->nbio.funcs = &nbio_v6_1_funcs;
708 		adev->nbio.hdp_flush_reg = &nbio_v6_1_hdp_flush_reg;
709 	}
710 
711 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
712 		adev->df_funcs = &df_v3_6_funcs;
713 	else
714 		adev->df_funcs = &df_v1_7_funcs;
715 
716 	adev->rev_id = soc15_get_rev_id(adev);
717 	adev->nbio.funcs->detect_hw_virt(adev);
718 
719 	if (amdgpu_sriov_vf(adev))
720 		adev->virt.ops = &xgpu_ai_virt_ops;
721 
722 	switch (adev->asic_type) {
723 	case CHIP_VEGA10:
724 	case CHIP_VEGA12:
725 	case CHIP_VEGA20:
726 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
727 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
728 
729 		/* For Vega10 SR-IOV, PSP need to be initialized before IH */
730 		if (amdgpu_sriov_vf(adev)) {
731 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
732 				if (adev->asic_type == CHIP_VEGA20)
733 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
734 				else
735 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
736 			}
737 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
738 		} else {
739 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
740 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
741 				if (adev->asic_type == CHIP_VEGA20)
742 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
743 				else
744 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
745 			}
746 		}
747 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
748 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
749 		if (!amdgpu_sriov_vf(adev)) {
750 			if (is_support_sw_smu(adev))
751 				amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
752 			else
753 				amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
754 		}
755 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
756 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
757 #if defined(CONFIG_DRM_AMD_DC)
758 		else if (amdgpu_device_has_dc_support(adev))
759 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
760 #endif
761 		if (!(adev->asic_type == CHIP_VEGA20 && amdgpu_sriov_vf(adev))) {
762 			amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block);
763 			amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block);
764 		}
765 		break;
766 	case CHIP_RAVEN:
767 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
768 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
769 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
770 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
771 			amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
772 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
773 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
774 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
775 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
776 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
777 #if defined(CONFIG_DRM_AMD_DC)
778 		else if (amdgpu_device_has_dc_support(adev))
779 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
780 #endif
781 		amdgpu_device_ip_block_add(adev, &vcn_v1_0_ip_block);
782 		break;
783 	case CHIP_ARCTURUS:
784 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
785 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
786 
787 		if (amdgpu_sriov_vf(adev)) {
788 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
789 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
790 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
791 		} else {
792 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
793 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
794 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
795 		}
796 
797 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
798 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
799 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
800 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
801 		if (!amdgpu_sriov_vf(adev))
802 			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
803 
804 		if (unlikely(adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT))
805 			amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
806 		break;
807 	case CHIP_RENOIR:
808 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
809 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
810 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
811 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
812 			amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
813 		if (is_support_sw_smu(adev))
814 			amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
815 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
816 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
817 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
818 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
819 #if defined(CONFIG_DRM_AMD_DC)
820                 else if (amdgpu_device_has_dc_support(adev))
821                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
822 #endif
823 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
824 		break;
825 	default:
826 		return -EINVAL;
827 	}
828 
829 	return 0;
830 }
831 
832 static void soc15_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
833 {
834 	adev->nbio.funcs->hdp_flush(adev, ring);
835 }
836 
837 static void soc15_invalidate_hdp(struct amdgpu_device *adev,
838 				 struct amdgpu_ring *ring)
839 {
840 	if (!ring || !ring->funcs->emit_wreg)
841 		WREG32_SOC15_NO_KIQ(HDP, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
842 	else
843 		amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
844 			HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
845 }
846 
847 static bool soc15_need_full_reset(struct amdgpu_device *adev)
848 {
849 	/* change this when we implement soft reset */
850 	return true;
851 }
852 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
853 				 uint64_t *count1)
854 {
855 	uint32_t perfctr = 0;
856 	uint64_t cnt0_of, cnt1_of;
857 	int tmp;
858 
859 	/* This reports 0 on APUs, so return to avoid writing/reading registers
860 	 * that may or may not be different from their GPU counterparts
861 	 */
862 	if (adev->flags & AMD_IS_APU)
863 		return;
864 
865 	/* Set the 2 events that we wish to watch, defined above */
866 	/* Reg 40 is # received msgs */
867 	/* Reg 104 is # of posted requests sent */
868 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
869 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
870 
871 	/* Write to enable desired perf counters */
872 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
873 	/* Zero out and enable the perf counters
874 	 * Write 0x5:
875 	 * Bit 0 = Start all counters(1)
876 	 * Bit 2 = Global counter reset enable(1)
877 	 */
878 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
879 
880 	msleep(1000);
881 
882 	/* Load the shadow and disable the perf counters
883 	 * Write 0x2:
884 	 * Bit 0 = Stop counters(0)
885 	 * Bit 1 = Load the shadow counters(1)
886 	 */
887 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
888 
889 	/* Read register values to get any >32bit overflow */
890 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
891 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
892 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
893 
894 	/* Get the values and add the overflow */
895 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
896 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
897 }
898 
899 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
900 				 uint64_t *count1)
901 {
902 	uint32_t perfctr = 0;
903 	uint64_t cnt0_of, cnt1_of;
904 	int tmp;
905 
906 	/* This reports 0 on APUs, so return to avoid writing/reading registers
907 	 * that may or may not be different from their GPU counterparts
908 	 */
909 	if (adev->flags & AMD_IS_APU)
910 		return;
911 
912 	/* Set the 2 events that we wish to watch, defined above */
913 	/* Reg 40 is # received msgs */
914 	/* Reg 108 is # of posted requests sent on VG20 */
915 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
916 				EVENT0_SEL, 40);
917 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
918 				EVENT1_SEL, 108);
919 
920 	/* Write to enable desired perf counters */
921 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
922 	/* Zero out and enable the perf counters
923 	 * Write 0x5:
924 	 * Bit 0 = Start all counters(1)
925 	 * Bit 2 = Global counter reset enable(1)
926 	 */
927 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
928 
929 	msleep(1000);
930 
931 	/* Load the shadow and disable the perf counters
932 	 * Write 0x2:
933 	 * Bit 0 = Stop counters(0)
934 	 * Bit 1 = Load the shadow counters(1)
935 	 */
936 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
937 
938 	/* Read register values to get any >32bit overflow */
939 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
940 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
941 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
942 
943 	/* Get the values and add the overflow */
944 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
945 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
946 }
947 
948 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
949 {
950 	u32 sol_reg;
951 
952 	/* Just return false for soc15 GPUs.  Reset does not seem to
953 	 * be necessary.
954 	 */
955 	if (!amdgpu_passthrough(adev))
956 		return false;
957 
958 	if (adev->flags & AMD_IS_APU)
959 		return false;
960 
961 	/* Check sOS sign of life register to confirm sys driver and sOS
962 	 * are already been loaded.
963 	 */
964 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
965 	if (sol_reg)
966 		return true;
967 
968 	return false;
969 }
970 
971 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
972 {
973 	uint64_t nak_r, nak_g;
974 
975 	/* Get the number of NAKs received and generated */
976 	nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
977 	nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
978 
979 	/* Add the total number of NAKs, i.e the number of replays */
980 	return (nak_r + nak_g);
981 }
982 
983 static const struct amdgpu_asic_funcs soc15_asic_funcs =
984 {
985 	.read_disabled_bios = &soc15_read_disabled_bios,
986 	.read_bios_from_rom = &soc15_read_bios_from_rom,
987 	.read_register = &soc15_read_register,
988 	.reset = &soc15_asic_reset,
989 	.reset_method = &soc15_asic_reset_method,
990 	.set_vga_state = &soc15_vga_set_state,
991 	.get_xclk = &soc15_get_xclk,
992 	.set_uvd_clocks = &soc15_set_uvd_clocks,
993 	.set_vce_clocks = &soc15_set_vce_clocks,
994 	.get_config_memsize = &soc15_get_config_memsize,
995 	.flush_hdp = &soc15_flush_hdp,
996 	.invalidate_hdp = &soc15_invalidate_hdp,
997 	.need_full_reset = &soc15_need_full_reset,
998 	.init_doorbell_index = &vega10_doorbell_index_init,
999 	.get_pcie_usage = &soc15_get_pcie_usage,
1000 	.need_reset_on_init = &soc15_need_reset_on_init,
1001 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
1002 };
1003 
1004 static const struct amdgpu_asic_funcs vega20_asic_funcs =
1005 {
1006 	.read_disabled_bios = &soc15_read_disabled_bios,
1007 	.read_bios_from_rom = &soc15_read_bios_from_rom,
1008 	.read_register = &soc15_read_register,
1009 	.reset = &soc15_asic_reset,
1010 	.set_vga_state = &soc15_vga_set_state,
1011 	.get_xclk = &soc15_get_xclk,
1012 	.set_uvd_clocks = &soc15_set_uvd_clocks,
1013 	.set_vce_clocks = &soc15_set_vce_clocks,
1014 	.get_config_memsize = &soc15_get_config_memsize,
1015 	.flush_hdp = &soc15_flush_hdp,
1016 	.invalidate_hdp = &soc15_invalidate_hdp,
1017 	.need_full_reset = &soc15_need_full_reset,
1018 	.init_doorbell_index = &vega20_doorbell_index_init,
1019 	.get_pcie_usage = &vega20_get_pcie_usage,
1020 	.need_reset_on_init = &soc15_need_reset_on_init,
1021 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
1022 	.reset_method = &soc15_asic_reset_method
1023 };
1024 
1025 static int soc15_common_early_init(void *handle)
1026 {
1027 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
1028 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1029 
1030 	adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
1031 	adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
1032 	adev->smc_rreg = NULL;
1033 	adev->smc_wreg = NULL;
1034 	adev->pcie_rreg = &soc15_pcie_rreg;
1035 	adev->pcie_wreg = &soc15_pcie_wreg;
1036 	adev->pcie_rreg64 = &soc15_pcie_rreg64;
1037 	adev->pcie_wreg64 = &soc15_pcie_wreg64;
1038 	adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
1039 	adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
1040 	adev->didt_rreg = &soc15_didt_rreg;
1041 	adev->didt_wreg = &soc15_didt_wreg;
1042 	adev->gc_cac_rreg = &soc15_gc_cac_rreg;
1043 	adev->gc_cac_wreg = &soc15_gc_cac_wreg;
1044 	adev->se_cac_rreg = &soc15_se_cac_rreg;
1045 	adev->se_cac_wreg = &soc15_se_cac_wreg;
1046 
1047 
1048 	adev->external_rev_id = 0xFF;
1049 	switch (adev->asic_type) {
1050 	case CHIP_VEGA10:
1051 		adev->asic_funcs = &soc15_asic_funcs;
1052 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1053 			AMD_CG_SUPPORT_GFX_MGLS |
1054 			AMD_CG_SUPPORT_GFX_RLC_LS |
1055 			AMD_CG_SUPPORT_GFX_CP_LS |
1056 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1057 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1058 			AMD_CG_SUPPORT_GFX_CGCG |
1059 			AMD_CG_SUPPORT_GFX_CGLS |
1060 			AMD_CG_SUPPORT_BIF_MGCG |
1061 			AMD_CG_SUPPORT_BIF_LS |
1062 			AMD_CG_SUPPORT_HDP_LS |
1063 			AMD_CG_SUPPORT_DRM_MGCG |
1064 			AMD_CG_SUPPORT_DRM_LS |
1065 			AMD_CG_SUPPORT_ROM_MGCG |
1066 			AMD_CG_SUPPORT_DF_MGCG |
1067 			AMD_CG_SUPPORT_SDMA_MGCG |
1068 			AMD_CG_SUPPORT_SDMA_LS |
1069 			AMD_CG_SUPPORT_MC_MGCG |
1070 			AMD_CG_SUPPORT_MC_LS;
1071 		adev->pg_flags = 0;
1072 		adev->external_rev_id = 0x1;
1073 		break;
1074 	case CHIP_VEGA12:
1075 		adev->asic_funcs = &soc15_asic_funcs;
1076 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1077 			AMD_CG_SUPPORT_GFX_MGLS |
1078 			AMD_CG_SUPPORT_GFX_CGCG |
1079 			AMD_CG_SUPPORT_GFX_CGLS |
1080 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1081 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1082 			AMD_CG_SUPPORT_GFX_CP_LS |
1083 			AMD_CG_SUPPORT_MC_LS |
1084 			AMD_CG_SUPPORT_MC_MGCG |
1085 			AMD_CG_SUPPORT_SDMA_MGCG |
1086 			AMD_CG_SUPPORT_SDMA_LS |
1087 			AMD_CG_SUPPORT_BIF_MGCG |
1088 			AMD_CG_SUPPORT_BIF_LS |
1089 			AMD_CG_SUPPORT_HDP_MGCG |
1090 			AMD_CG_SUPPORT_HDP_LS |
1091 			AMD_CG_SUPPORT_ROM_MGCG |
1092 			AMD_CG_SUPPORT_VCE_MGCG |
1093 			AMD_CG_SUPPORT_UVD_MGCG;
1094 		adev->pg_flags = 0;
1095 		adev->external_rev_id = adev->rev_id + 0x14;
1096 		break;
1097 	case CHIP_VEGA20:
1098 		adev->asic_funcs = &vega20_asic_funcs;
1099 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1100 			AMD_CG_SUPPORT_GFX_MGLS |
1101 			AMD_CG_SUPPORT_GFX_CGCG |
1102 			AMD_CG_SUPPORT_GFX_CGLS |
1103 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1104 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1105 			AMD_CG_SUPPORT_GFX_CP_LS |
1106 			AMD_CG_SUPPORT_MC_LS |
1107 			AMD_CG_SUPPORT_MC_MGCG |
1108 			AMD_CG_SUPPORT_SDMA_MGCG |
1109 			AMD_CG_SUPPORT_SDMA_LS |
1110 			AMD_CG_SUPPORT_BIF_MGCG |
1111 			AMD_CG_SUPPORT_BIF_LS |
1112 			AMD_CG_SUPPORT_HDP_MGCG |
1113 			AMD_CG_SUPPORT_HDP_LS |
1114 			AMD_CG_SUPPORT_ROM_MGCG |
1115 			AMD_CG_SUPPORT_VCE_MGCG |
1116 			AMD_CG_SUPPORT_UVD_MGCG;
1117 		adev->pg_flags = 0;
1118 		adev->external_rev_id = adev->rev_id + 0x28;
1119 		break;
1120 	case CHIP_RAVEN:
1121 		adev->asic_funcs = &soc15_asic_funcs;
1122 		if (adev->rev_id >= 0x8)
1123 			adev->external_rev_id = adev->rev_id + 0x79;
1124 		else if (adev->pdev->device == 0x15d8)
1125 			adev->external_rev_id = adev->rev_id + 0x41;
1126 		else if (adev->rev_id == 1)
1127 			adev->external_rev_id = adev->rev_id + 0x20;
1128 		else
1129 			adev->external_rev_id = adev->rev_id + 0x01;
1130 
1131 		if (adev->rev_id >= 0x8) {
1132 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1133 				AMD_CG_SUPPORT_GFX_MGLS |
1134 				AMD_CG_SUPPORT_GFX_CP_LS |
1135 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1136 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1137 				AMD_CG_SUPPORT_GFX_CGCG |
1138 				AMD_CG_SUPPORT_GFX_CGLS |
1139 				AMD_CG_SUPPORT_BIF_LS |
1140 				AMD_CG_SUPPORT_HDP_LS |
1141 				AMD_CG_SUPPORT_ROM_MGCG |
1142 				AMD_CG_SUPPORT_MC_MGCG |
1143 				AMD_CG_SUPPORT_MC_LS |
1144 				AMD_CG_SUPPORT_SDMA_MGCG |
1145 				AMD_CG_SUPPORT_SDMA_LS |
1146 				AMD_CG_SUPPORT_VCN_MGCG;
1147 
1148 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1149 				AMD_PG_SUPPORT_VCN |
1150 				AMD_PG_SUPPORT_VCN_DPG;
1151 		} else if (adev->pdev->device == 0x15d8) {
1152 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1153 				AMD_CG_SUPPORT_GFX_MGLS |
1154 				AMD_CG_SUPPORT_GFX_CP_LS |
1155 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1156 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1157 				AMD_CG_SUPPORT_GFX_CGCG |
1158 				AMD_CG_SUPPORT_GFX_CGLS |
1159 				AMD_CG_SUPPORT_BIF_LS |
1160 				AMD_CG_SUPPORT_HDP_LS |
1161 				AMD_CG_SUPPORT_ROM_MGCG |
1162 				AMD_CG_SUPPORT_MC_MGCG |
1163 				AMD_CG_SUPPORT_MC_LS |
1164 				AMD_CG_SUPPORT_SDMA_MGCG |
1165 				AMD_CG_SUPPORT_SDMA_LS;
1166 
1167 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1168 				AMD_PG_SUPPORT_MMHUB |
1169 				AMD_PG_SUPPORT_VCN |
1170 				AMD_PG_SUPPORT_VCN_DPG;
1171 		} else {
1172 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1173 				AMD_CG_SUPPORT_GFX_MGLS |
1174 				AMD_CG_SUPPORT_GFX_RLC_LS |
1175 				AMD_CG_SUPPORT_GFX_CP_LS |
1176 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1177 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1178 				AMD_CG_SUPPORT_GFX_CGCG |
1179 				AMD_CG_SUPPORT_GFX_CGLS |
1180 				AMD_CG_SUPPORT_BIF_MGCG |
1181 				AMD_CG_SUPPORT_BIF_LS |
1182 				AMD_CG_SUPPORT_HDP_MGCG |
1183 				AMD_CG_SUPPORT_HDP_LS |
1184 				AMD_CG_SUPPORT_DRM_MGCG |
1185 				AMD_CG_SUPPORT_DRM_LS |
1186 				AMD_CG_SUPPORT_ROM_MGCG |
1187 				AMD_CG_SUPPORT_MC_MGCG |
1188 				AMD_CG_SUPPORT_MC_LS |
1189 				AMD_CG_SUPPORT_SDMA_MGCG |
1190 				AMD_CG_SUPPORT_SDMA_LS |
1191 				AMD_CG_SUPPORT_VCN_MGCG;
1192 
1193 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1194 				AMD_PG_SUPPORT_VCN |
1195 				AMD_PG_SUPPORT_VCN_DPG;
1196 		}
1197 		break;
1198 	case CHIP_ARCTURUS:
1199 		adev->asic_funcs = &vega20_asic_funcs;
1200 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1201 			AMD_CG_SUPPORT_GFX_MGLS |
1202 			AMD_CG_SUPPORT_GFX_CGCG |
1203 			AMD_CG_SUPPORT_GFX_CGLS |
1204 			AMD_CG_SUPPORT_GFX_CP_LS |
1205 			AMD_CG_SUPPORT_HDP_MGCG |
1206 			AMD_CG_SUPPORT_HDP_LS |
1207 			AMD_CG_SUPPORT_SDMA_MGCG |
1208 			AMD_CG_SUPPORT_SDMA_LS |
1209 			AMD_CG_SUPPORT_MC_MGCG |
1210 			AMD_CG_SUPPORT_MC_LS |
1211 			AMD_CG_SUPPORT_IH_CG;
1212 		adev->pg_flags = 0;
1213 		adev->external_rev_id = adev->rev_id + 0x32;
1214 		break;
1215 	case CHIP_RENOIR:
1216 		adev->asic_funcs = &soc15_asic_funcs;
1217 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1218 				 AMD_CG_SUPPORT_GFX_MGLS |
1219 				 AMD_CG_SUPPORT_GFX_3D_CGCG |
1220 				 AMD_CG_SUPPORT_GFX_3D_CGLS |
1221 				 AMD_CG_SUPPORT_GFX_CGCG |
1222 				 AMD_CG_SUPPORT_GFX_CGLS |
1223 				 AMD_CG_SUPPORT_GFX_CP_LS |
1224 				 AMD_CG_SUPPORT_MC_MGCG |
1225 				 AMD_CG_SUPPORT_MC_LS |
1226 				 AMD_CG_SUPPORT_SDMA_MGCG |
1227 				 AMD_CG_SUPPORT_SDMA_LS |
1228 				 AMD_CG_SUPPORT_BIF_LS |
1229 				 AMD_CG_SUPPORT_HDP_LS |
1230 				 AMD_CG_SUPPORT_ROM_MGCG |
1231 				 AMD_CG_SUPPORT_VCN_MGCG |
1232 				 AMD_CG_SUPPORT_IH_CG |
1233 				 AMD_CG_SUPPORT_ATHUB_LS |
1234 				 AMD_CG_SUPPORT_ATHUB_MGCG |
1235 				 AMD_CG_SUPPORT_DF_MGCG;
1236 		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1237 				 AMD_PG_SUPPORT_VCN |
1238 				 AMD_PG_SUPPORT_VCN_DPG;
1239 		adev->external_rev_id = adev->rev_id + 0x91;
1240 		break;
1241 	default:
1242 		/* FIXME: not supported yet */
1243 		return -EINVAL;
1244 	}
1245 
1246 	if (amdgpu_sriov_vf(adev)) {
1247 		amdgpu_virt_init_setting(adev);
1248 		xgpu_ai_mailbox_set_irq_funcs(adev);
1249 	}
1250 
1251 	return 0;
1252 }
1253 
1254 static int soc15_common_late_init(void *handle)
1255 {
1256 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1257 	int r = 0;
1258 
1259 	if (amdgpu_sriov_vf(adev))
1260 		xgpu_ai_mailbox_get_irq(adev);
1261 
1262 	if (adev->nbio.funcs->ras_late_init)
1263 		r = adev->nbio.funcs->ras_late_init(adev);
1264 
1265 	return r;
1266 }
1267 
1268 static int soc15_common_sw_init(void *handle)
1269 {
1270 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1271 
1272 	if (amdgpu_sriov_vf(adev))
1273 		xgpu_ai_mailbox_add_irq_id(adev);
1274 
1275 	adev->df_funcs->sw_init(adev);
1276 
1277 	return 0;
1278 }
1279 
1280 static int soc15_common_sw_fini(void *handle)
1281 {
1282 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1283 
1284 	amdgpu_nbio_ras_fini(adev);
1285 	adev->df_funcs->sw_fini(adev);
1286 	return 0;
1287 }
1288 
1289 static void soc15_doorbell_range_init(struct amdgpu_device *adev)
1290 {
1291 	int i;
1292 	struct amdgpu_ring *ring;
1293 
1294 	/* sdma/ih doorbell range are programed by hypervisor */
1295 	if (!amdgpu_sriov_vf(adev)) {
1296 		for (i = 0; i < adev->sdma.num_instances; i++) {
1297 			ring = &adev->sdma.instance[i].ring;
1298 			adev->nbio.funcs->sdma_doorbell_range(adev, i,
1299 				ring->use_doorbell, ring->doorbell_index,
1300 				adev->doorbell_index.sdma_doorbell_range);
1301 		}
1302 
1303 		adev->nbio.funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
1304 						adev->irq.ih.doorbell_index);
1305 	}
1306 }
1307 
1308 static int soc15_common_hw_init(void *handle)
1309 {
1310 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1311 
1312 	/* enable pcie gen2/3 link */
1313 	soc15_pcie_gen3_enable(adev);
1314 	/* enable aspm */
1315 	soc15_program_aspm(adev);
1316 	/* setup nbio registers */
1317 	adev->nbio.funcs->init_registers(adev);
1318 	/* remap HDP registers to a hole in mmio space,
1319 	 * for the purpose of expose those registers
1320 	 * to process space
1321 	 */
1322 	if (adev->nbio.funcs->remap_hdp_registers)
1323 		adev->nbio.funcs->remap_hdp_registers(adev);
1324 
1325 	/* enable the doorbell aperture */
1326 	soc15_enable_doorbell_aperture(adev, true);
1327 	/* HW doorbell routing policy: doorbell writing not
1328 	 * in SDMA/IH/MM/ACV range will be routed to CP. So
1329 	 * we need to init SDMA/IH/MM/ACV doorbell range prior
1330 	 * to CP ip block init and ring test.
1331 	 */
1332 	soc15_doorbell_range_init(adev);
1333 
1334 	return 0;
1335 }
1336 
1337 static int soc15_common_hw_fini(void *handle)
1338 {
1339 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1340 
1341 	/* disable the doorbell aperture */
1342 	soc15_enable_doorbell_aperture(adev, false);
1343 	if (amdgpu_sriov_vf(adev))
1344 		xgpu_ai_mailbox_put_irq(adev);
1345 
1346 	if (adev->nbio.ras_if &&
1347 	    amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
1348 		if (adev->nbio.funcs->init_ras_controller_interrupt)
1349 			amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
1350 		if (adev->nbio.funcs->init_ras_err_event_athub_interrupt)
1351 			amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
1352 	}
1353 
1354 	return 0;
1355 }
1356 
1357 static int soc15_common_suspend(void *handle)
1358 {
1359 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1360 
1361 	return soc15_common_hw_fini(adev);
1362 }
1363 
1364 static int soc15_common_resume(void *handle)
1365 {
1366 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1367 
1368 	return soc15_common_hw_init(adev);
1369 }
1370 
1371 static bool soc15_common_is_idle(void *handle)
1372 {
1373 	return true;
1374 }
1375 
1376 static int soc15_common_wait_for_idle(void *handle)
1377 {
1378 	return 0;
1379 }
1380 
1381 static int soc15_common_soft_reset(void *handle)
1382 {
1383 	return 0;
1384 }
1385 
1386 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
1387 {
1388 	uint32_t def, data;
1389 
1390 	if (adev->asic_type == CHIP_VEGA20 ||
1391 		adev->asic_type == CHIP_ARCTURUS) {
1392 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
1393 
1394 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1395 			data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1396 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1397 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1398 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
1399 		else
1400 			data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1401 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1402 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1403 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
1404 
1405 		if (def != data)
1406 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
1407 	} else {
1408 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1409 
1410 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1411 			data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1412 		else
1413 			data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1414 
1415 		if (def != data)
1416 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
1417 	}
1418 }
1419 
1420 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1421 {
1422 	uint32_t def, data;
1423 
1424 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1425 
1426 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1427 		data &= ~(0x01000000 |
1428 			  0x02000000 |
1429 			  0x04000000 |
1430 			  0x08000000 |
1431 			  0x10000000 |
1432 			  0x20000000 |
1433 			  0x40000000 |
1434 			  0x80000000);
1435 	else
1436 		data |= (0x01000000 |
1437 			 0x02000000 |
1438 			 0x04000000 |
1439 			 0x08000000 |
1440 			 0x10000000 |
1441 			 0x20000000 |
1442 			 0x40000000 |
1443 			 0x80000000);
1444 
1445 	if (def != data)
1446 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1447 }
1448 
1449 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1450 {
1451 	uint32_t def, data;
1452 
1453 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1454 
1455 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1456 		data |= 1;
1457 	else
1458 		data &= ~1;
1459 
1460 	if (def != data)
1461 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1462 }
1463 
1464 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1465 						       bool enable)
1466 {
1467 	uint32_t def, data;
1468 
1469 	def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1470 
1471 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1472 		data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1473 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1474 	else
1475 		data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1476 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1477 
1478 	if (def != data)
1479 		WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
1480 }
1481 
1482 static int soc15_common_set_clockgating_state(void *handle,
1483 					    enum amd_clockgating_state state)
1484 {
1485 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1486 
1487 	if (amdgpu_sriov_vf(adev))
1488 		return 0;
1489 
1490 	switch (adev->asic_type) {
1491 	case CHIP_VEGA10:
1492 	case CHIP_VEGA12:
1493 	case CHIP_VEGA20:
1494 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1495 				state == AMD_CG_STATE_GATE ? true : false);
1496 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1497 				state == AMD_CG_STATE_GATE ? true : false);
1498 		soc15_update_hdp_light_sleep(adev,
1499 				state == AMD_CG_STATE_GATE ? true : false);
1500 		soc15_update_drm_clock_gating(adev,
1501 				state == AMD_CG_STATE_GATE ? true : false);
1502 		soc15_update_drm_light_sleep(adev,
1503 				state == AMD_CG_STATE_GATE ? true : false);
1504 		soc15_update_rom_medium_grain_clock_gating(adev,
1505 				state == AMD_CG_STATE_GATE ? true : false);
1506 		adev->df_funcs->update_medium_grain_clock_gating(adev,
1507 				state == AMD_CG_STATE_GATE ? true : false);
1508 		break;
1509 	case CHIP_RAVEN:
1510 	case CHIP_RENOIR:
1511 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1512 				state == AMD_CG_STATE_GATE ? true : false);
1513 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1514 				state == AMD_CG_STATE_GATE ? true : false);
1515 		soc15_update_hdp_light_sleep(adev,
1516 				state == AMD_CG_STATE_GATE ? true : false);
1517 		soc15_update_drm_clock_gating(adev,
1518 				state == AMD_CG_STATE_GATE ? true : false);
1519 		soc15_update_drm_light_sleep(adev,
1520 				state == AMD_CG_STATE_GATE ? true : false);
1521 		soc15_update_rom_medium_grain_clock_gating(adev,
1522 				state == AMD_CG_STATE_GATE ? true : false);
1523 		break;
1524 	case CHIP_ARCTURUS:
1525 		soc15_update_hdp_light_sleep(adev,
1526 				state == AMD_CG_STATE_GATE ? true : false);
1527 		break;
1528 	default:
1529 		break;
1530 	}
1531 	return 0;
1532 }
1533 
1534 static void soc15_common_get_clockgating_state(void *handle, u32 *flags)
1535 {
1536 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1537 	int data;
1538 
1539 	if (amdgpu_sriov_vf(adev))
1540 		*flags = 0;
1541 
1542 	adev->nbio.funcs->get_clockgating_state(adev, flags);
1543 
1544 	/* AMD_CG_SUPPORT_HDP_LS */
1545 	data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1546 	if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
1547 		*flags |= AMD_CG_SUPPORT_HDP_LS;
1548 
1549 	/* AMD_CG_SUPPORT_DRM_MGCG */
1550 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1551 	if (!(data & 0x01000000))
1552 		*flags |= AMD_CG_SUPPORT_DRM_MGCG;
1553 
1554 	/* AMD_CG_SUPPORT_DRM_LS */
1555 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1556 	if (data & 0x1)
1557 		*flags |= AMD_CG_SUPPORT_DRM_LS;
1558 
1559 	/* AMD_CG_SUPPORT_ROM_MGCG */
1560 	data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1561 	if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
1562 		*flags |= AMD_CG_SUPPORT_ROM_MGCG;
1563 
1564 	adev->df_funcs->get_clockgating_state(adev, flags);
1565 }
1566 
1567 static int soc15_common_set_powergating_state(void *handle,
1568 					    enum amd_powergating_state state)
1569 {
1570 	/* todo */
1571 	return 0;
1572 }
1573 
1574 const struct amd_ip_funcs soc15_common_ip_funcs = {
1575 	.name = "soc15_common",
1576 	.early_init = soc15_common_early_init,
1577 	.late_init = soc15_common_late_init,
1578 	.sw_init = soc15_common_sw_init,
1579 	.sw_fini = soc15_common_sw_fini,
1580 	.hw_init = soc15_common_hw_init,
1581 	.hw_fini = soc15_common_hw_fini,
1582 	.suspend = soc15_common_suspend,
1583 	.resume = soc15_common_resume,
1584 	.is_idle = soc15_common_is_idle,
1585 	.wait_for_idle = soc15_common_wait_for_idle,
1586 	.soft_reset = soc15_common_soft_reset,
1587 	.set_clockgating_state = soc15_common_set_clockgating_state,
1588 	.set_powergating_state = soc15_common_set_powergating_state,
1589 	.get_clockgating_state= soc15_common_get_clockgating_state,
1590 };
1591