xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/soc15.c (revision d5a05299)
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 <drm/amdgpu_drm.h>
29 
30 #include "amdgpu.h"
31 #include "amdgpu_atombios.h"
32 #include "amdgpu_ih.h"
33 #include "amdgpu_uvd.h"
34 #include "amdgpu_vce.h"
35 #include "amdgpu_ucode.h"
36 #include "amdgpu_psp.h"
37 #include "atom.h"
38 #include "amd_pcie.h"
39 
40 #include "uvd/uvd_7_0_offset.h"
41 #include "gc/gc_9_0_offset.h"
42 #include "gc/gc_9_0_sh_mask.h"
43 #include "sdma0/sdma0_4_0_offset.h"
44 #include "sdma1/sdma1_4_0_offset.h"
45 #include "nbio/nbio_7_0_default.h"
46 #include "nbio/nbio_7_0_offset.h"
47 #include "nbio/nbio_7_0_sh_mask.h"
48 #include "nbio/nbio_7_0_smn.h"
49 #include "mp/mp_9_0_offset.h"
50 
51 #include "soc15.h"
52 #include "soc15_common.h"
53 #include "gfx_v9_0.h"
54 #include "gmc_v9_0.h"
55 #include "gfxhub_v1_0.h"
56 #include "mmhub_v1_0.h"
57 #include "df_v1_7.h"
58 #include "df_v3_6.h"
59 #include "nbio_v6_1.h"
60 #include "nbio_v7_0.h"
61 #include "nbio_v7_4.h"
62 #include "hdp_v4_0.h"
63 #include "vega10_ih.h"
64 #include "vega20_ih.h"
65 #include "navi10_ih.h"
66 #include "sdma_v4_0.h"
67 #include "uvd_v7_0.h"
68 #include "vce_v4_0.h"
69 #include "vcn_v1_0.h"
70 #include "vcn_v2_0.h"
71 #include "jpeg_v2_0.h"
72 #include "vcn_v2_5.h"
73 #include "jpeg_v2_5.h"
74 #include "smuio_v9_0.h"
75 #include "smuio_v11_0.h"
76 #include "smuio_v13_0.h"
77 #include "amdgpu_vkms.h"
78 #include "mxgpu_ai.h"
79 #include "amdgpu_ras.h"
80 #include "amdgpu_xgmi.h"
81 #include <uapi/linux/kfd_ioctl.h>
82 
83 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
84 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
85 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
86 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
87 
88 static const struct amd_ip_funcs soc15_common_ip_funcs;
89 
90 /* Vega, Raven, Arcturus */
91 static const struct amdgpu_video_codec_info vega_video_codecs_encode_array[] =
92 {
93 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)},
94 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 2304, 0)},
95 };
96 
97 static const struct amdgpu_video_codecs vega_video_codecs_encode =
98 {
99 	.codec_count = ARRAY_SIZE(vega_video_codecs_encode_array),
100 	.codec_array = vega_video_codecs_encode_array,
101 };
102 
103 /* Vega */
104 static const struct amdgpu_video_codec_info vega_video_codecs_decode_array[] =
105 {
106 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
107 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
108 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
109 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
110 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)},
111 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
112 };
113 
114 static const struct amdgpu_video_codecs vega_video_codecs_decode =
115 {
116 	.codec_count = ARRAY_SIZE(vega_video_codecs_decode_array),
117 	.codec_array = vega_video_codecs_decode_array,
118 };
119 
120 /* Raven */
121 static const struct amdgpu_video_codec_info rv_video_codecs_decode_array[] =
122 {
123 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
124 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
125 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
126 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
127 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)},
128 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
129 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 4096, 4096, 0)},
130 };
131 
132 static const struct amdgpu_video_codecs rv_video_codecs_decode =
133 {
134 	.codec_count = ARRAY_SIZE(rv_video_codecs_decode_array),
135 	.codec_array = rv_video_codecs_decode_array,
136 };
137 
138 /* Renoir, Arcturus */
139 static const struct amdgpu_video_codec_info rn_video_codecs_decode_array[] =
140 {
141 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
142 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
143 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
144 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
145 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
146 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
147 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
148 };
149 
150 static const struct amdgpu_video_codecs rn_video_codecs_decode =
151 {
152 	.codec_count = ARRAY_SIZE(rn_video_codecs_decode_array),
153 	.codec_array = rn_video_codecs_decode_array,
154 };
155 
156 static int soc15_query_video_codecs(struct amdgpu_device *adev, bool encode,
157 				    const struct amdgpu_video_codecs **codecs)
158 {
159 	if (adev->ip_versions[VCE_HWIP][0]) {
160 		switch (adev->ip_versions[VCE_HWIP][0]) {
161 		case IP_VERSION(4, 0, 0):
162 		case IP_VERSION(4, 1, 0):
163 			if (encode)
164 				*codecs = &vega_video_codecs_encode;
165 			else
166 				*codecs = &vega_video_codecs_decode;
167 			return 0;
168 		default:
169 			return -EINVAL;
170 		}
171 	} else {
172 		switch (adev->ip_versions[UVD_HWIP][0]) {
173 		case IP_VERSION(1, 0, 0):
174 		case IP_VERSION(1, 0, 1):
175 			if (encode)
176 				*codecs = &vega_video_codecs_encode;
177 			else
178 				*codecs = &rv_video_codecs_decode;
179 			return 0;
180 		case IP_VERSION(2, 5, 0):
181 		case IP_VERSION(2, 6, 0):
182 		case IP_VERSION(2, 2, 0):
183 			if (encode)
184 				*codecs = &vega_video_codecs_encode;
185 			else
186 				*codecs = &rn_video_codecs_decode;
187 			return 0;
188 		default:
189 			return -EINVAL;
190 		}
191 	}
192 }
193 
194 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
195 {
196 	unsigned long flags, address, data;
197 	u32 r;
198 
199 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
200 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
201 
202 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
203 	WREG32(address, ((reg) & 0x1ff));
204 	r = RREG32(data);
205 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
206 	return r;
207 }
208 
209 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
210 {
211 	unsigned long flags, address, data;
212 
213 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
214 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
215 
216 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
217 	WREG32(address, ((reg) & 0x1ff));
218 	WREG32(data, (v));
219 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
220 }
221 
222 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
223 {
224 	unsigned long flags, address, data;
225 	u32 r;
226 
227 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
228 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
229 
230 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
231 	WREG32(address, (reg));
232 	r = RREG32(data);
233 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
234 	return r;
235 }
236 
237 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
238 {
239 	unsigned long flags, address, data;
240 
241 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
242 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
243 
244 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
245 	WREG32(address, (reg));
246 	WREG32(data, (v));
247 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
248 }
249 
250 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
251 {
252 	unsigned long flags;
253 	u32 r;
254 
255 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
256 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
257 	r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
258 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
259 	return r;
260 }
261 
262 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
263 {
264 	unsigned long flags;
265 
266 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
267 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
268 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
269 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
270 }
271 
272 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
273 {
274 	unsigned long flags;
275 	u32 r;
276 
277 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
278 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
279 	r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
280 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
281 	return r;
282 }
283 
284 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
285 {
286 	unsigned long flags;
287 
288 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
289 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
290 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
291 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
292 }
293 
294 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
295 {
296 	return adev->nbio.funcs->get_memsize(adev);
297 }
298 
299 static u32 soc15_get_xclk(struct amdgpu_device *adev)
300 {
301 	u32 reference_clock = adev->clock.spll.reference_freq;
302 
303 	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(12, 0, 0) ||
304 	    adev->ip_versions[MP1_HWIP][0] == IP_VERSION(12, 0, 1))
305 		return 10000;
306 	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(10, 0, 0) ||
307 	    adev->ip_versions[MP1_HWIP][0] == IP_VERSION(10, 0, 1))
308 		return reference_clock / 4;
309 
310 	return reference_clock;
311 }
312 
313 
314 void soc15_grbm_select(struct amdgpu_device *adev,
315 		     u32 me, u32 pipe, u32 queue, u32 vmid)
316 {
317 	u32 grbm_gfx_cntl = 0;
318 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
319 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
320 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
321 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
322 
323 	WREG32_SOC15_RLC_SHADOW(GC, 0, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
324 }
325 
326 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
327 {
328 	/* todo */
329 }
330 
331 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
332 {
333 	/* todo */
334 	return false;
335 }
336 
337 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
338 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
339 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
340 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
341 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
342 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
343 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
344 	{ SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
345 	{ SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
346 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
347 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
348 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
349 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
350 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
351 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
352 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
353 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
354 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
355 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
356 	{ SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
357 	{ SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
358 };
359 
360 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
361 					 u32 sh_num, u32 reg_offset)
362 {
363 	uint32_t val;
364 
365 	mutex_lock(&adev->grbm_idx_mutex);
366 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
367 		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
368 
369 	val = RREG32(reg_offset);
370 
371 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
372 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
373 	mutex_unlock(&adev->grbm_idx_mutex);
374 	return val;
375 }
376 
377 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
378 					 bool indexed, u32 se_num,
379 					 u32 sh_num, u32 reg_offset)
380 {
381 	if (indexed) {
382 		return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
383 	} else {
384 		if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
385 			return adev->gfx.config.gb_addr_config;
386 		else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
387 			return adev->gfx.config.db_debug2;
388 		return RREG32(reg_offset);
389 	}
390 }
391 
392 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
393 			    u32 sh_num, u32 reg_offset, u32 *value)
394 {
395 	uint32_t i;
396 	struct soc15_allowed_register_entry  *en;
397 
398 	*value = 0;
399 	for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
400 		en = &soc15_allowed_read_registers[i];
401 		if (!adev->reg_offset[en->hwip][en->inst])
402 			continue;
403 		else if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
404 					+ en->reg_offset))
405 			continue;
406 
407 		*value = soc15_get_register_value(adev,
408 						  soc15_allowed_read_registers[i].grbm_indexed,
409 						  se_num, sh_num, reg_offset);
410 		return 0;
411 	}
412 	return -EINVAL;
413 }
414 
415 
416 /**
417  * soc15_program_register_sequence - program an array of registers.
418  *
419  * @adev: amdgpu_device pointer
420  * @regs: pointer to the register array
421  * @array_size: size of the register array
422  *
423  * Programs an array or registers with and and or masks.
424  * This is a helper for setting golden registers.
425  */
426 
427 void soc15_program_register_sequence(struct amdgpu_device *adev,
428 					     const struct soc15_reg_golden *regs,
429 					     const u32 array_size)
430 {
431 	const struct soc15_reg_golden *entry;
432 	u32 tmp, reg;
433 	int i;
434 
435 	for (i = 0; i < array_size; ++i) {
436 		entry = &regs[i];
437 		reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
438 
439 		if (entry->and_mask == 0xffffffff) {
440 			tmp = entry->or_mask;
441 		} else {
442 			tmp = (entry->hwip == GC_HWIP) ?
443 				RREG32_SOC15_IP(GC, reg) : RREG32(reg);
444 
445 			tmp &= ~(entry->and_mask);
446 			tmp |= (entry->or_mask & entry->and_mask);
447 		}
448 
449 		if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
450 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
451 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
452 			reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
453 			WREG32_RLC(reg, tmp);
454 		else
455 			(entry->hwip == GC_HWIP) ?
456 				WREG32_SOC15_IP(GC, reg, tmp) : WREG32(reg, tmp);
457 
458 	}
459 
460 }
461 
462 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
463 {
464 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
465 	int ret = 0;
466 
467 	/* avoid NBIF got stuck when do RAS recovery in BACO reset */
468 	if (ras && adev->ras_enabled)
469 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
470 
471 	ret = amdgpu_dpm_baco_reset(adev);
472 	if (ret)
473 		return ret;
474 
475 	/* re-enable doorbell interrupt after BACO exit */
476 	if (ras && adev->ras_enabled)
477 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
478 
479 	return 0;
480 }
481 
482 static enum amd_reset_method
483 soc15_asic_reset_method(struct amdgpu_device *adev)
484 {
485 	bool baco_reset = false;
486 	bool connected_to_cpu = false;
487 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
488 
489         if (adev->gmc.xgmi.supported && adev->gmc.xgmi.connected_to_cpu)
490                 connected_to_cpu = true;
491 
492 	if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
493 	    amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
494 	    amdgpu_reset_method == AMD_RESET_METHOD_BACO ||
495 	    amdgpu_reset_method == AMD_RESET_METHOD_PCI) {
496 		/* If connected to cpu, driver only support mode2 */
497                 if (connected_to_cpu)
498                         return AMD_RESET_METHOD_MODE2;
499                 return amdgpu_reset_method;
500         }
501 
502 	if (amdgpu_reset_method != -1)
503 		dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
504 				  amdgpu_reset_method);
505 
506 	switch (adev->ip_versions[MP1_HWIP][0]) {
507 	case IP_VERSION(10, 0, 0):
508 	case IP_VERSION(10, 0, 1):
509 	case IP_VERSION(12, 0, 0):
510 	case IP_VERSION(12, 0, 1):
511 		return AMD_RESET_METHOD_MODE2;
512 	case IP_VERSION(9, 0, 0):
513 	case IP_VERSION(11, 0, 2):
514 		if (adev->asic_type == CHIP_VEGA20) {
515 			if (adev->psp.sos.fw_version >= 0x80067)
516 				baco_reset = amdgpu_dpm_is_baco_supported(adev);
517 			/*
518 			 * 1. PMFW version > 0x284300: all cases use baco
519 			 * 2. PMFW version <= 0x284300: only sGPU w/o RAS use baco
520 			 */
521 			if (ras && adev->ras_enabled &&
522 			    adev->pm.fw_version <= 0x283400)
523 				baco_reset = false;
524 		} else {
525 			baco_reset = amdgpu_dpm_is_baco_supported(adev);
526 		}
527 		break;
528 	case IP_VERSION(13, 0, 2):
529 		 /*
530 		 * 1.connected to cpu: driver issue mode2 reset
531 		 * 2.discret gpu: driver issue mode1 reset
532 		 */
533 		if (connected_to_cpu)
534 			return AMD_RESET_METHOD_MODE2;
535 		break;
536 	default:
537 		break;
538 	}
539 
540 	if (baco_reset)
541 		return AMD_RESET_METHOD_BACO;
542 	else
543 		return AMD_RESET_METHOD_MODE1;
544 }
545 
546 static int soc15_asic_reset(struct amdgpu_device *adev)
547 {
548 	/* original raven doesn't have full asic reset */
549 	if ((adev->apu_flags & AMD_APU_IS_RAVEN) ||
550 	    (adev->apu_flags & AMD_APU_IS_RAVEN2))
551 		return 0;
552 
553 	switch (soc15_asic_reset_method(adev)) {
554 	case AMD_RESET_METHOD_PCI:
555 		dev_info(adev->dev, "PCI reset\n");
556 		return amdgpu_device_pci_reset(adev);
557 	case AMD_RESET_METHOD_BACO:
558 		dev_info(adev->dev, "BACO reset\n");
559 		return soc15_asic_baco_reset(adev);
560 	case AMD_RESET_METHOD_MODE2:
561 		dev_info(adev->dev, "MODE2 reset\n");
562 		return amdgpu_dpm_mode2_reset(adev);
563 	default:
564 		dev_info(adev->dev, "MODE1 reset\n");
565 		return amdgpu_device_mode1_reset(adev);
566 	}
567 }
568 
569 static bool soc15_supports_baco(struct amdgpu_device *adev)
570 {
571 	switch (adev->ip_versions[MP1_HWIP][0]) {
572 	case IP_VERSION(9, 0, 0):
573 	case IP_VERSION(11, 0, 2):
574 		if (adev->asic_type == CHIP_VEGA20) {
575 			if (adev->psp.sos.fw_version >= 0x80067)
576 				return amdgpu_dpm_is_baco_supported(adev);
577 			return false;
578 		} else {
579 			return amdgpu_dpm_is_baco_supported(adev);
580 		}
581 		break;
582 	default:
583 		return false;
584 	}
585 }
586 
587 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
588 			u32 cntl_reg, u32 status_reg)
589 {
590 	return 0;
591 }*/
592 
593 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
594 {
595 	/*int r;
596 
597 	r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
598 	if (r)
599 		return r;
600 
601 	r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
602 	*/
603 	return 0;
604 }
605 
606 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
607 {
608 	/* todo */
609 
610 	return 0;
611 }
612 
613 static void soc15_program_aspm(struct amdgpu_device *adev)
614 {
615 	if (!amdgpu_device_should_use_aspm(adev))
616 		return;
617 
618 	if (!(adev->flags & AMD_IS_APU) &&
619 	    (adev->nbio.funcs->program_aspm))
620 		adev->nbio.funcs->program_aspm(adev);
621 }
622 
623 const struct amdgpu_ip_block_version vega10_common_ip_block =
624 {
625 	.type = AMD_IP_BLOCK_TYPE_COMMON,
626 	.major = 2,
627 	.minor = 0,
628 	.rev = 0,
629 	.funcs = &soc15_common_ip_funcs,
630 };
631 
632 static void soc15_reg_base_init(struct amdgpu_device *adev)
633 {
634 	/* Set IP register base before any HW register access */
635 	switch (adev->asic_type) {
636 	case CHIP_VEGA10:
637 	case CHIP_VEGA12:
638 	case CHIP_RAVEN:
639 	case CHIP_RENOIR:
640 		vega10_reg_base_init(adev);
641 		break;
642 	case CHIP_VEGA20:
643 		vega20_reg_base_init(adev);
644 		break;
645 	case CHIP_ARCTURUS:
646 		arct_reg_base_init(adev);
647 		break;
648 	case CHIP_ALDEBARAN:
649 		aldebaran_reg_base_init(adev);
650 		break;
651 	default:
652 		DRM_ERROR("Unsupported asic type: %d!\n", adev->asic_type);
653 		break;
654 	}
655 }
656 
657 void soc15_set_virt_ops(struct amdgpu_device *adev)
658 {
659 	adev->virt.ops = &xgpu_ai_virt_ops;
660 
661 	/* init soc15 reg base early enough so we can
662 	 * request request full access for sriov before
663 	 * set_ip_blocks. */
664 	soc15_reg_base_init(adev);
665 }
666 
667 static bool soc15_need_full_reset(struct amdgpu_device *adev)
668 {
669 	/* change this when we implement soft reset */
670 	return true;
671 }
672 
673 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
674 				 uint64_t *count1)
675 {
676 	uint32_t perfctr = 0;
677 	uint64_t cnt0_of, cnt1_of;
678 	int tmp;
679 
680 	/* This reports 0 on APUs, so return to avoid writing/reading registers
681 	 * that may or may not be different from their GPU counterparts
682 	 */
683 	if (adev->flags & AMD_IS_APU)
684 		return;
685 
686 	/* Set the 2 events that we wish to watch, defined above */
687 	/* Reg 40 is # received msgs */
688 	/* Reg 104 is # of posted requests sent */
689 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
690 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
691 
692 	/* Write to enable desired perf counters */
693 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
694 	/* Zero out and enable the perf counters
695 	 * Write 0x5:
696 	 * Bit 0 = Start all counters(1)
697 	 * Bit 2 = Global counter reset enable(1)
698 	 */
699 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
700 
701 	msleep(1000);
702 
703 	/* Load the shadow and disable the perf counters
704 	 * Write 0x2:
705 	 * Bit 0 = Stop counters(0)
706 	 * Bit 1 = Load the shadow counters(1)
707 	 */
708 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
709 
710 	/* Read register values to get any >32bit overflow */
711 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
712 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
713 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
714 
715 	/* Get the values and add the overflow */
716 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
717 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
718 }
719 
720 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
721 				 uint64_t *count1)
722 {
723 	uint32_t perfctr = 0;
724 	uint64_t cnt0_of, cnt1_of;
725 	int tmp;
726 
727 	/* This reports 0 on APUs, so return to avoid writing/reading registers
728 	 * that may or may not be different from their GPU counterparts
729 	 */
730 	if (adev->flags & AMD_IS_APU)
731 		return;
732 
733 	/* Set the 2 events that we wish to watch, defined above */
734 	/* Reg 40 is # received msgs */
735 	/* Reg 108 is # of posted requests sent on VG20 */
736 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
737 				EVENT0_SEL, 40);
738 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
739 				EVENT1_SEL, 108);
740 
741 	/* Write to enable desired perf counters */
742 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
743 	/* Zero out and enable the perf counters
744 	 * Write 0x5:
745 	 * Bit 0 = Start all counters(1)
746 	 * Bit 2 = Global counter reset enable(1)
747 	 */
748 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
749 
750 	msleep(1000);
751 
752 	/* Load the shadow and disable the perf counters
753 	 * Write 0x2:
754 	 * Bit 0 = Stop counters(0)
755 	 * Bit 1 = Load the shadow counters(1)
756 	 */
757 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
758 
759 	/* Read register values to get any >32bit overflow */
760 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
761 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
762 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
763 
764 	/* Get the values and add the overflow */
765 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
766 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
767 }
768 
769 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
770 {
771 	u32 sol_reg;
772 
773 	/* CP hangs in IGT reloading test on RN, reset to WA */
774 	if (adev->asic_type == CHIP_RENOIR)
775 		return true;
776 
777 	/* Just return false for soc15 GPUs.  Reset does not seem to
778 	 * be necessary.
779 	 */
780 	if (!amdgpu_passthrough(adev))
781 		return false;
782 
783 	if (adev->flags & AMD_IS_APU)
784 		return false;
785 
786 	/* Check sOS sign of life register to confirm sys driver and sOS
787 	 * are already been loaded.
788 	 */
789 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
790 	if (sol_reg)
791 		return true;
792 
793 	return false;
794 }
795 
796 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
797 {
798 	uint64_t nak_r, nak_g;
799 
800 	/* Get the number of NAKs received and generated */
801 	nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
802 	nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
803 
804 	/* Add the total number of NAKs, i.e the number of replays */
805 	return (nak_r + nak_g);
806 }
807 
808 static void soc15_pre_asic_init(struct amdgpu_device *adev)
809 {
810 	gmc_v9_0_restore_registers(adev);
811 }
812 
813 static const struct amdgpu_asic_funcs soc15_asic_funcs =
814 {
815 	.read_disabled_bios = &soc15_read_disabled_bios,
816 	.read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
817 	.read_register = &soc15_read_register,
818 	.reset = &soc15_asic_reset,
819 	.reset_method = &soc15_asic_reset_method,
820 	.set_vga_state = &soc15_vga_set_state,
821 	.get_xclk = &soc15_get_xclk,
822 	.set_uvd_clocks = &soc15_set_uvd_clocks,
823 	.set_vce_clocks = &soc15_set_vce_clocks,
824 	.get_config_memsize = &soc15_get_config_memsize,
825 	.need_full_reset = &soc15_need_full_reset,
826 	.init_doorbell_index = &vega10_doorbell_index_init,
827 	.get_pcie_usage = &soc15_get_pcie_usage,
828 	.need_reset_on_init = &soc15_need_reset_on_init,
829 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
830 	.supports_baco = &soc15_supports_baco,
831 	.pre_asic_init = &soc15_pre_asic_init,
832 	.query_video_codecs = &soc15_query_video_codecs,
833 };
834 
835 static const struct amdgpu_asic_funcs vega20_asic_funcs =
836 {
837 	.read_disabled_bios = &soc15_read_disabled_bios,
838 	.read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
839 	.read_register = &soc15_read_register,
840 	.reset = &soc15_asic_reset,
841 	.reset_method = &soc15_asic_reset_method,
842 	.set_vga_state = &soc15_vga_set_state,
843 	.get_xclk = &soc15_get_xclk,
844 	.set_uvd_clocks = &soc15_set_uvd_clocks,
845 	.set_vce_clocks = &soc15_set_vce_clocks,
846 	.get_config_memsize = &soc15_get_config_memsize,
847 	.need_full_reset = &soc15_need_full_reset,
848 	.init_doorbell_index = &vega20_doorbell_index_init,
849 	.get_pcie_usage = &vega20_get_pcie_usage,
850 	.need_reset_on_init = &soc15_need_reset_on_init,
851 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
852 	.supports_baco = &soc15_supports_baco,
853 	.pre_asic_init = &soc15_pre_asic_init,
854 	.query_video_codecs = &soc15_query_video_codecs,
855 };
856 
857 static int soc15_common_early_init(void *handle)
858 {
859 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
860 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
861 
862 	if (!amdgpu_sriov_vf(adev)) {
863 		adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
864 		adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
865 	}
866 	adev->smc_rreg = NULL;
867 	adev->smc_wreg = NULL;
868 	adev->pcie_rreg = &amdgpu_device_indirect_rreg;
869 	adev->pcie_wreg = &amdgpu_device_indirect_wreg;
870 	adev->pcie_rreg64 = &amdgpu_device_indirect_rreg64;
871 	adev->pcie_wreg64 = &amdgpu_device_indirect_wreg64;
872 	adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
873 	adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
874 	adev->didt_rreg = &soc15_didt_rreg;
875 	adev->didt_wreg = &soc15_didt_wreg;
876 	adev->gc_cac_rreg = &soc15_gc_cac_rreg;
877 	adev->gc_cac_wreg = &soc15_gc_cac_wreg;
878 	adev->se_cac_rreg = &soc15_se_cac_rreg;
879 	adev->se_cac_wreg = &soc15_se_cac_wreg;
880 
881 	adev->rev_id = amdgpu_device_get_rev_id(adev);
882 	adev->external_rev_id = 0xFF;
883 	/* TODO: split the GC and PG flags based on the relevant IP version for which
884 	 * they are relevant.
885 	 */
886 	switch (adev->ip_versions[GC_HWIP][0]) {
887 	case IP_VERSION(9, 0, 1):
888 		adev->asic_funcs = &soc15_asic_funcs;
889 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
890 			AMD_CG_SUPPORT_GFX_MGLS |
891 			AMD_CG_SUPPORT_GFX_RLC_LS |
892 			AMD_CG_SUPPORT_GFX_CP_LS |
893 			AMD_CG_SUPPORT_GFX_3D_CGCG |
894 			AMD_CG_SUPPORT_GFX_3D_CGLS |
895 			AMD_CG_SUPPORT_GFX_CGCG |
896 			AMD_CG_SUPPORT_GFX_CGLS |
897 			AMD_CG_SUPPORT_BIF_MGCG |
898 			AMD_CG_SUPPORT_BIF_LS |
899 			AMD_CG_SUPPORT_HDP_LS |
900 			AMD_CG_SUPPORT_DRM_MGCG |
901 			AMD_CG_SUPPORT_DRM_LS |
902 			AMD_CG_SUPPORT_ROM_MGCG |
903 			AMD_CG_SUPPORT_DF_MGCG |
904 			AMD_CG_SUPPORT_SDMA_MGCG |
905 			AMD_CG_SUPPORT_SDMA_LS |
906 			AMD_CG_SUPPORT_MC_MGCG |
907 			AMD_CG_SUPPORT_MC_LS;
908 		adev->pg_flags = 0;
909 		adev->external_rev_id = 0x1;
910 		break;
911 	case IP_VERSION(9, 2, 1):
912 		adev->asic_funcs = &soc15_asic_funcs;
913 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
914 			AMD_CG_SUPPORT_GFX_MGLS |
915 			AMD_CG_SUPPORT_GFX_CGCG |
916 			AMD_CG_SUPPORT_GFX_CGLS |
917 			AMD_CG_SUPPORT_GFX_3D_CGCG |
918 			AMD_CG_SUPPORT_GFX_3D_CGLS |
919 			AMD_CG_SUPPORT_GFX_CP_LS |
920 			AMD_CG_SUPPORT_MC_LS |
921 			AMD_CG_SUPPORT_MC_MGCG |
922 			AMD_CG_SUPPORT_SDMA_MGCG |
923 			AMD_CG_SUPPORT_SDMA_LS |
924 			AMD_CG_SUPPORT_BIF_MGCG |
925 			AMD_CG_SUPPORT_BIF_LS |
926 			AMD_CG_SUPPORT_HDP_MGCG |
927 			AMD_CG_SUPPORT_HDP_LS |
928 			AMD_CG_SUPPORT_ROM_MGCG |
929 			AMD_CG_SUPPORT_VCE_MGCG |
930 			AMD_CG_SUPPORT_UVD_MGCG;
931 		adev->pg_flags = 0;
932 		adev->external_rev_id = adev->rev_id + 0x14;
933 		break;
934 	case IP_VERSION(9, 4, 0):
935 		adev->asic_funcs = &vega20_asic_funcs;
936 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
937 			AMD_CG_SUPPORT_GFX_MGLS |
938 			AMD_CG_SUPPORT_GFX_CGCG |
939 			AMD_CG_SUPPORT_GFX_CGLS |
940 			AMD_CG_SUPPORT_GFX_3D_CGCG |
941 			AMD_CG_SUPPORT_GFX_3D_CGLS |
942 			AMD_CG_SUPPORT_GFX_CP_LS |
943 			AMD_CG_SUPPORT_MC_LS |
944 			AMD_CG_SUPPORT_MC_MGCG |
945 			AMD_CG_SUPPORT_SDMA_MGCG |
946 			AMD_CG_SUPPORT_SDMA_LS |
947 			AMD_CG_SUPPORT_BIF_MGCG |
948 			AMD_CG_SUPPORT_BIF_LS |
949 			AMD_CG_SUPPORT_HDP_MGCG |
950 			AMD_CG_SUPPORT_HDP_LS |
951 			AMD_CG_SUPPORT_ROM_MGCG |
952 			AMD_CG_SUPPORT_VCE_MGCG |
953 			AMD_CG_SUPPORT_UVD_MGCG;
954 		adev->pg_flags = 0;
955 		adev->external_rev_id = adev->rev_id + 0x28;
956 		break;
957 	case IP_VERSION(9, 1, 0):
958 	case IP_VERSION(9, 2, 2):
959 		adev->asic_funcs = &soc15_asic_funcs;
960 
961 		if (adev->rev_id >= 0x8)
962 			adev->apu_flags |= AMD_APU_IS_RAVEN2;
963 
964 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
965 			adev->external_rev_id = adev->rev_id + 0x79;
966 		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
967 			adev->external_rev_id = adev->rev_id + 0x41;
968 		else if (adev->rev_id == 1)
969 			adev->external_rev_id = adev->rev_id + 0x20;
970 		else
971 			adev->external_rev_id = adev->rev_id + 0x01;
972 
973 		if (adev->apu_flags & AMD_APU_IS_RAVEN2) {
974 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
975 				AMD_CG_SUPPORT_GFX_MGLS |
976 				AMD_CG_SUPPORT_GFX_CP_LS |
977 				AMD_CG_SUPPORT_GFX_3D_CGCG |
978 				AMD_CG_SUPPORT_GFX_3D_CGLS |
979 				AMD_CG_SUPPORT_GFX_CGCG |
980 				AMD_CG_SUPPORT_GFX_CGLS |
981 				AMD_CG_SUPPORT_BIF_LS |
982 				AMD_CG_SUPPORT_HDP_LS |
983 				AMD_CG_SUPPORT_MC_MGCG |
984 				AMD_CG_SUPPORT_MC_LS |
985 				AMD_CG_SUPPORT_SDMA_MGCG |
986 				AMD_CG_SUPPORT_SDMA_LS |
987 				AMD_CG_SUPPORT_VCN_MGCG;
988 
989 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
990 		} else if (adev->apu_flags & AMD_APU_IS_PICASSO) {
991 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
992 				AMD_CG_SUPPORT_GFX_MGLS |
993 				AMD_CG_SUPPORT_GFX_CP_LS |
994 				AMD_CG_SUPPORT_GFX_3D_CGLS |
995 				AMD_CG_SUPPORT_GFX_CGCG |
996 				AMD_CG_SUPPORT_GFX_CGLS |
997 				AMD_CG_SUPPORT_BIF_LS |
998 				AMD_CG_SUPPORT_HDP_LS |
999 				AMD_CG_SUPPORT_MC_MGCG |
1000 				AMD_CG_SUPPORT_MC_LS |
1001 				AMD_CG_SUPPORT_SDMA_MGCG |
1002 				AMD_CG_SUPPORT_SDMA_LS |
1003 				AMD_CG_SUPPORT_VCN_MGCG;
1004 
1005 			/*
1006 			 * MMHUB PG needs to be disabled for Picasso for
1007 			 * stability reasons.
1008 			 */
1009 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1010 				AMD_PG_SUPPORT_VCN;
1011 		} else {
1012 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1013 				AMD_CG_SUPPORT_GFX_MGLS |
1014 				AMD_CG_SUPPORT_GFX_RLC_LS |
1015 				AMD_CG_SUPPORT_GFX_CP_LS |
1016 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1017 				AMD_CG_SUPPORT_GFX_CGCG |
1018 				AMD_CG_SUPPORT_GFX_CGLS |
1019 				AMD_CG_SUPPORT_BIF_MGCG |
1020 				AMD_CG_SUPPORT_BIF_LS |
1021 				AMD_CG_SUPPORT_HDP_MGCG |
1022 				AMD_CG_SUPPORT_HDP_LS |
1023 				AMD_CG_SUPPORT_DRM_MGCG |
1024 				AMD_CG_SUPPORT_DRM_LS |
1025 				AMD_CG_SUPPORT_MC_MGCG |
1026 				AMD_CG_SUPPORT_MC_LS |
1027 				AMD_CG_SUPPORT_SDMA_MGCG |
1028 				AMD_CG_SUPPORT_SDMA_LS |
1029 				AMD_CG_SUPPORT_VCN_MGCG;
1030 
1031 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1032 		}
1033 		break;
1034 	case IP_VERSION(9, 4, 1):
1035 		adev->asic_funcs = &vega20_asic_funcs;
1036 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1037 			AMD_CG_SUPPORT_GFX_MGLS |
1038 			AMD_CG_SUPPORT_GFX_CGCG |
1039 			AMD_CG_SUPPORT_GFX_CGLS |
1040 			AMD_CG_SUPPORT_GFX_CP_LS |
1041 			AMD_CG_SUPPORT_HDP_MGCG |
1042 			AMD_CG_SUPPORT_HDP_LS |
1043 			AMD_CG_SUPPORT_SDMA_MGCG |
1044 			AMD_CG_SUPPORT_SDMA_LS |
1045 			AMD_CG_SUPPORT_MC_MGCG |
1046 			AMD_CG_SUPPORT_MC_LS |
1047 			AMD_CG_SUPPORT_IH_CG |
1048 			AMD_CG_SUPPORT_VCN_MGCG |
1049 			AMD_CG_SUPPORT_JPEG_MGCG;
1050 		adev->pg_flags = AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG;
1051 		adev->external_rev_id = adev->rev_id + 0x32;
1052 		break;
1053 	case IP_VERSION(9, 3, 0):
1054 		adev->asic_funcs = &soc15_asic_funcs;
1055 
1056 		if (adev->apu_flags & AMD_APU_IS_RENOIR)
1057 			adev->external_rev_id = adev->rev_id + 0x91;
1058 		else
1059 			adev->external_rev_id = adev->rev_id + 0xa1;
1060 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1061 				 AMD_CG_SUPPORT_GFX_MGLS |
1062 				 AMD_CG_SUPPORT_GFX_3D_CGCG |
1063 				 AMD_CG_SUPPORT_GFX_3D_CGLS |
1064 				 AMD_CG_SUPPORT_GFX_CGCG |
1065 				 AMD_CG_SUPPORT_GFX_CGLS |
1066 				 AMD_CG_SUPPORT_GFX_CP_LS |
1067 				 AMD_CG_SUPPORT_MC_MGCG |
1068 				 AMD_CG_SUPPORT_MC_LS |
1069 				 AMD_CG_SUPPORT_SDMA_MGCG |
1070 				 AMD_CG_SUPPORT_SDMA_LS |
1071 				 AMD_CG_SUPPORT_BIF_LS |
1072 				 AMD_CG_SUPPORT_HDP_LS |
1073 				 AMD_CG_SUPPORT_VCN_MGCG |
1074 				 AMD_CG_SUPPORT_JPEG_MGCG |
1075 				 AMD_CG_SUPPORT_IH_CG |
1076 				 AMD_CG_SUPPORT_ATHUB_LS |
1077 				 AMD_CG_SUPPORT_ATHUB_MGCG |
1078 				 AMD_CG_SUPPORT_DF_MGCG;
1079 		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1080 				 AMD_PG_SUPPORT_VCN |
1081 				 AMD_PG_SUPPORT_JPEG |
1082 				 AMD_PG_SUPPORT_VCN_DPG;
1083 		break;
1084 	case IP_VERSION(9, 4, 2):
1085 		adev->asic_funcs = &vega20_asic_funcs;
1086 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1087 			AMD_CG_SUPPORT_GFX_MGLS |
1088 			AMD_CG_SUPPORT_GFX_CP_LS |
1089 			AMD_CG_SUPPORT_HDP_LS |
1090 			AMD_CG_SUPPORT_SDMA_MGCG |
1091 			AMD_CG_SUPPORT_SDMA_LS |
1092 			AMD_CG_SUPPORT_IH_CG |
1093 			AMD_CG_SUPPORT_VCN_MGCG | AMD_CG_SUPPORT_JPEG_MGCG;
1094 		adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG;
1095 		adev->external_rev_id = adev->rev_id + 0x3c;
1096 		break;
1097 	case IP_VERSION(9, 4, 3):
1098 		adev->asic_funcs = &vega20_asic_funcs;
1099 		adev->cg_flags = 0;
1100 		adev->pg_flags = 0;
1101 		break;
1102 	default:
1103 		/* FIXME: not supported yet */
1104 		return -EINVAL;
1105 	}
1106 
1107 	if (amdgpu_sriov_vf(adev)) {
1108 		amdgpu_virt_init_setting(adev);
1109 		xgpu_ai_mailbox_set_irq_funcs(adev);
1110 	}
1111 
1112 	return 0;
1113 }
1114 
1115 static int soc15_common_late_init(void *handle)
1116 {
1117 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1118 
1119 	if (amdgpu_sriov_vf(adev))
1120 		xgpu_ai_mailbox_get_irq(adev);
1121 
1122 	/* Enable selfring doorbell aperture late because doorbell BAR
1123 	 * aperture will change if resize BAR successfully in gmc sw_init.
1124 	 */
1125 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, true);
1126 
1127 	return 0;
1128 }
1129 
1130 static int soc15_common_sw_init(void *handle)
1131 {
1132 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1133 
1134 	if (amdgpu_sriov_vf(adev))
1135 		xgpu_ai_mailbox_add_irq_id(adev);
1136 
1137 	if (adev->df.funcs &&
1138 	    adev->df.funcs->sw_init)
1139 		adev->df.funcs->sw_init(adev);
1140 
1141 	return 0;
1142 }
1143 
1144 static int soc15_common_sw_fini(void *handle)
1145 {
1146 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1147 
1148 	if (adev->df.funcs &&
1149 	    adev->df.funcs->sw_fini)
1150 		adev->df.funcs->sw_fini(adev);
1151 	return 0;
1152 }
1153 
1154 static void soc15_sdma_doorbell_range_init(struct amdgpu_device *adev)
1155 {
1156 	int i;
1157 
1158 	/* sdma doorbell range is programed by hypervisor */
1159 	if (!amdgpu_sriov_vf(adev)) {
1160 		for (i = 0; i < adev->sdma.num_instances; i++) {
1161 			adev->nbio.funcs->sdma_doorbell_range(adev, i,
1162 				true, adev->doorbell_index.sdma_engine[i] << 1,
1163 				adev->doorbell_index.sdma_doorbell_range);
1164 		}
1165 	}
1166 }
1167 
1168 static int soc15_common_hw_init(void *handle)
1169 {
1170 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1171 
1172 	/* enable aspm */
1173 	soc15_program_aspm(adev);
1174 	/* setup nbio registers */
1175 	adev->nbio.funcs->init_registers(adev);
1176 	/* remap HDP registers to a hole in mmio space,
1177 	 * for the purpose of expose those registers
1178 	 * to process space
1179 	 */
1180 	if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
1181 		adev->nbio.funcs->remap_hdp_registers(adev);
1182 
1183 	/* enable the doorbell aperture */
1184 	adev->nbio.funcs->enable_doorbell_aperture(adev, true);
1185 
1186 	/* HW doorbell routing policy: doorbell writing not
1187 	 * in SDMA/IH/MM/ACV range will be routed to CP. So
1188 	 * we need to init SDMA doorbell range prior
1189 	 * to CP ip block init and ring test.  IH already
1190 	 * happens before CP.
1191 	 */
1192 	soc15_sdma_doorbell_range_init(adev);
1193 
1194 	return 0;
1195 }
1196 
1197 static int soc15_common_hw_fini(void *handle)
1198 {
1199 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1200 
1201 	/* Disable the doorbell aperture and selfring doorbell aperture
1202 	 * separately in hw_fini because soc15_enable_doorbell_aperture
1203 	 * has been removed and there is no need to delay disabling
1204 	 * selfring doorbell.
1205 	 */
1206 	adev->nbio.funcs->enable_doorbell_aperture(adev, false);
1207 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, false);
1208 
1209 	if (amdgpu_sriov_vf(adev))
1210 		xgpu_ai_mailbox_put_irq(adev);
1211 
1212 	if (adev->nbio.ras_if &&
1213 	    amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
1214 		if (adev->nbio.ras &&
1215 		    adev->nbio.ras->init_ras_controller_interrupt)
1216 			amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
1217 		if (adev->nbio.ras &&
1218 		    adev->nbio.ras->init_ras_err_event_athub_interrupt)
1219 			amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
1220 	}
1221 
1222 	return 0;
1223 }
1224 
1225 static int soc15_common_suspend(void *handle)
1226 {
1227 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1228 
1229 	return soc15_common_hw_fini(adev);
1230 }
1231 
1232 static int soc15_common_resume(void *handle)
1233 {
1234 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1235 
1236 	return soc15_common_hw_init(adev);
1237 }
1238 
1239 static bool soc15_common_is_idle(void *handle)
1240 {
1241 	return true;
1242 }
1243 
1244 static int soc15_common_wait_for_idle(void *handle)
1245 {
1246 	return 0;
1247 }
1248 
1249 static int soc15_common_soft_reset(void *handle)
1250 {
1251 	return 0;
1252 }
1253 
1254 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1255 {
1256 	uint32_t def, data;
1257 
1258 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1259 
1260 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1261 		data &= ~(0x01000000 |
1262 			  0x02000000 |
1263 			  0x04000000 |
1264 			  0x08000000 |
1265 			  0x10000000 |
1266 			  0x20000000 |
1267 			  0x40000000 |
1268 			  0x80000000);
1269 	else
1270 		data |= (0x01000000 |
1271 			 0x02000000 |
1272 			 0x04000000 |
1273 			 0x08000000 |
1274 			 0x10000000 |
1275 			 0x20000000 |
1276 			 0x40000000 |
1277 			 0x80000000);
1278 
1279 	if (def != data)
1280 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1281 }
1282 
1283 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1284 {
1285 	uint32_t def, data;
1286 
1287 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1288 
1289 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1290 		data |= 1;
1291 	else
1292 		data &= ~1;
1293 
1294 	if (def != data)
1295 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1296 }
1297 
1298 static int soc15_common_set_clockgating_state(void *handle,
1299 					    enum amd_clockgating_state state)
1300 {
1301 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1302 
1303 	if (amdgpu_sriov_vf(adev))
1304 		return 0;
1305 
1306 	switch (adev->ip_versions[NBIO_HWIP][0]) {
1307 	case IP_VERSION(6, 1, 0):
1308 	case IP_VERSION(6, 2, 0):
1309 	case IP_VERSION(7, 4, 0):
1310 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1311 				state == AMD_CG_STATE_GATE);
1312 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1313 				state == AMD_CG_STATE_GATE);
1314 		adev->hdp.funcs->update_clock_gating(adev,
1315 				state == AMD_CG_STATE_GATE);
1316 		soc15_update_drm_clock_gating(adev,
1317 				state == AMD_CG_STATE_GATE);
1318 		soc15_update_drm_light_sleep(adev,
1319 				state == AMD_CG_STATE_GATE);
1320 		adev->smuio.funcs->update_rom_clock_gating(adev,
1321 				state == AMD_CG_STATE_GATE);
1322 		adev->df.funcs->update_medium_grain_clock_gating(adev,
1323 				state == AMD_CG_STATE_GATE);
1324 		break;
1325 	case IP_VERSION(7, 0, 0):
1326 	case IP_VERSION(7, 0, 1):
1327 	case IP_VERSION(2, 5, 0):
1328 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1329 				state == AMD_CG_STATE_GATE);
1330 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1331 				state == AMD_CG_STATE_GATE);
1332 		adev->hdp.funcs->update_clock_gating(adev,
1333 				state == AMD_CG_STATE_GATE);
1334 		soc15_update_drm_clock_gating(adev,
1335 				state == AMD_CG_STATE_GATE);
1336 		soc15_update_drm_light_sleep(adev,
1337 				state == AMD_CG_STATE_GATE);
1338 		break;
1339 	case IP_VERSION(7, 4, 1):
1340 	case IP_VERSION(7, 4, 4):
1341 		adev->hdp.funcs->update_clock_gating(adev,
1342 				state == AMD_CG_STATE_GATE);
1343 		break;
1344 	default:
1345 		break;
1346 	}
1347 	return 0;
1348 }
1349 
1350 static void soc15_common_get_clockgating_state(void *handle, u64 *flags)
1351 {
1352 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1353 	int data;
1354 
1355 	if (amdgpu_sriov_vf(adev))
1356 		*flags = 0;
1357 
1358 	adev->nbio.funcs->get_clockgating_state(adev, flags);
1359 
1360 	adev->hdp.funcs->get_clock_gating_state(adev, flags);
1361 
1362 	if (adev->ip_versions[MP0_HWIP][0] != IP_VERSION(13, 0, 2)) {
1363 
1364 		/* AMD_CG_SUPPORT_DRM_MGCG */
1365 		data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1366 		if (!(data & 0x01000000))
1367 			*flags |= AMD_CG_SUPPORT_DRM_MGCG;
1368 
1369 		/* AMD_CG_SUPPORT_DRM_LS */
1370 		data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1371 		if (data & 0x1)
1372 			*flags |= AMD_CG_SUPPORT_DRM_LS;
1373 	}
1374 
1375 	/* AMD_CG_SUPPORT_ROM_MGCG */
1376 	adev->smuio.funcs->get_clock_gating_state(adev, flags);
1377 
1378 	adev->df.funcs->get_clockgating_state(adev, flags);
1379 }
1380 
1381 static int soc15_common_set_powergating_state(void *handle,
1382 					    enum amd_powergating_state state)
1383 {
1384 	/* todo */
1385 	return 0;
1386 }
1387 
1388 static const struct amd_ip_funcs soc15_common_ip_funcs = {
1389 	.name = "soc15_common",
1390 	.early_init = soc15_common_early_init,
1391 	.late_init = soc15_common_late_init,
1392 	.sw_init = soc15_common_sw_init,
1393 	.sw_fini = soc15_common_sw_fini,
1394 	.hw_init = soc15_common_hw_init,
1395 	.hw_fini = soc15_common_hw_fini,
1396 	.suspend = soc15_common_suspend,
1397 	.resume = soc15_common_resume,
1398 	.is_idle = soc15_common_is_idle,
1399 	.wait_for_idle = soc15_common_wait_for_idle,
1400 	.soft_reset = soc15_common_soft_reset,
1401 	.set_clockgating_state = soc15_common_set_clockgating_state,
1402 	.set_powergating_state = soc15_common_set_powergating_state,
1403 	.get_clockgating_state= soc15_common_get_clockgating_state,
1404 };
1405