1 /*
2  * Copyright 2021 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 "amdgpu_smu.h"
36 #include "atom.h"
37 #include "amd_pcie.h"
38 
39 #include "gc/gc_11_0_0_offset.h"
40 #include "gc/gc_11_0_0_sh_mask.h"
41 #include "mp/mp_13_0_0_offset.h"
42 
43 #include "soc15.h"
44 #include "soc15_common.h"
45 #include "soc21.h"
46 #include "mxgpu_nv.h"
47 
48 static const struct amd_ip_funcs soc21_common_ip_funcs;
49 
50 /* SOC21 */
51 static const struct amdgpu_video_codec_info vcn_4_0_0_video_codecs_encode_array_vcn0[] = {
52 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)},
53 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 0)},
54 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
55 };
56 
57 static const struct amdgpu_video_codec_info vcn_4_0_0_video_codecs_encode_array_vcn1[] = {
58 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)},
59 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 0)},
60 };
61 
62 static const struct amdgpu_video_codecs vcn_4_0_0_video_codecs_encode_vcn0 = {
63 	.codec_count = ARRAY_SIZE(vcn_4_0_0_video_codecs_encode_array_vcn0),
64 	.codec_array = vcn_4_0_0_video_codecs_encode_array_vcn0,
65 };
66 
67 static const struct amdgpu_video_codecs vcn_4_0_0_video_codecs_encode_vcn1 = {
68 	.codec_count = ARRAY_SIZE(vcn_4_0_0_video_codecs_encode_array_vcn1),
69 	.codec_array = vcn_4_0_0_video_codecs_encode_array_vcn1,
70 };
71 
72 static const struct amdgpu_video_codec_info vcn_4_0_0_video_codecs_decode_array_vcn0[] = {
73 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
74 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
75 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
76 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
77 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
78 };
79 
80 static const struct amdgpu_video_codec_info vcn_4_0_0_video_codecs_decode_array_vcn1[] = {
81 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
82 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
83 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
84 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
85 };
86 
87 static const struct amdgpu_video_codecs vcn_4_0_0_video_codecs_decode_vcn0 = {
88 	.codec_count = ARRAY_SIZE(vcn_4_0_0_video_codecs_decode_array_vcn0),
89 	.codec_array = vcn_4_0_0_video_codecs_decode_array_vcn0,
90 };
91 
92 static const struct amdgpu_video_codecs vcn_4_0_0_video_codecs_decode_vcn1 = {
93 	.codec_count = ARRAY_SIZE(vcn_4_0_0_video_codecs_decode_array_vcn1),
94 	.codec_array = vcn_4_0_0_video_codecs_decode_array_vcn1,
95 };
96 
97 /* SRIOV SOC21, not const since data is controlled by host */
98 static struct amdgpu_video_codec_info sriov_vcn_4_0_0_video_codecs_encode_array_vcn0[] = {
99 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)},
100 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 2304, 0)},
101 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
102 };
103 
104 static struct amdgpu_video_codec_info sriov_vcn_4_0_0_video_codecs_encode_array_vcn1[] = {
105 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)},
106 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 2304, 0)},
107 };
108 
109 static struct amdgpu_video_codecs sriov_vcn_4_0_0_video_codecs_encode_vcn0 = {
110 	.codec_count = ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_encode_array_vcn0),
111 	.codec_array = sriov_vcn_4_0_0_video_codecs_encode_array_vcn0,
112 };
113 
114 static struct amdgpu_video_codecs sriov_vcn_4_0_0_video_codecs_encode_vcn1 = {
115 	.codec_count = ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_encode_array_vcn1),
116 	.codec_array = sriov_vcn_4_0_0_video_codecs_encode_array_vcn1,
117 };
118 
119 static struct amdgpu_video_codec_info sriov_vcn_4_0_0_video_codecs_decode_array_vcn0[] = {
120 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
121 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
122 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
123 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
124 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
125 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
126 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
127 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
128 };
129 
130 static struct amdgpu_video_codec_info sriov_vcn_4_0_0_video_codecs_decode_array_vcn1[] = {
131 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4096, 3)},
132 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4096, 5)},
133 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
134 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4096, 4)},
135 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
136 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
137 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
138 };
139 
140 static struct amdgpu_video_codecs sriov_vcn_4_0_0_video_codecs_decode_vcn0 = {
141 	.codec_count = ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_decode_array_vcn0),
142 	.codec_array = sriov_vcn_4_0_0_video_codecs_decode_array_vcn0,
143 };
144 
145 static struct amdgpu_video_codecs sriov_vcn_4_0_0_video_codecs_decode_vcn1 = {
146 	.codec_count = ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_decode_array_vcn1),
147 	.codec_array = sriov_vcn_4_0_0_video_codecs_decode_array_vcn1,
148 };
149 
soc21_query_video_codecs(struct amdgpu_device * adev,bool encode,const struct amdgpu_video_codecs ** codecs)150 static int soc21_query_video_codecs(struct amdgpu_device *adev, bool encode,
151 				 const struct amdgpu_video_codecs **codecs)
152 {
153 	if (adev->vcn.num_vcn_inst == hweight8(adev->vcn.harvest_config))
154 		return -EINVAL;
155 
156 	switch (adev->ip_versions[UVD_HWIP][0]) {
157 	case IP_VERSION(4, 0, 0):
158 	case IP_VERSION(4, 0, 2):
159 	case IP_VERSION(4, 0, 4):
160 		if (amdgpu_sriov_vf(adev)) {
161 			if ((adev->vcn.harvest_config & AMDGPU_VCN_HARVEST_VCN0) ||
162 			!amdgpu_sriov_is_av1_support(adev)) {
163 				if (encode)
164 					*codecs = &sriov_vcn_4_0_0_video_codecs_encode_vcn1;
165 				else
166 					*codecs = &sriov_vcn_4_0_0_video_codecs_decode_vcn1;
167 			} else {
168 				if (encode)
169 					*codecs = &sriov_vcn_4_0_0_video_codecs_encode_vcn0;
170 				else
171 					*codecs = &sriov_vcn_4_0_0_video_codecs_decode_vcn0;
172 			}
173 		} else {
174 			if ((adev->vcn.harvest_config & AMDGPU_VCN_HARVEST_VCN0)) {
175 				if (encode)
176 					*codecs = &vcn_4_0_0_video_codecs_encode_vcn1;
177 				else
178 					*codecs = &vcn_4_0_0_video_codecs_decode_vcn1;
179 			} else {
180 				if (encode)
181 					*codecs = &vcn_4_0_0_video_codecs_encode_vcn0;
182 				else
183 					*codecs = &vcn_4_0_0_video_codecs_decode_vcn0;
184 			}
185 		}
186 		return 0;
187 	default:
188 		return -EINVAL;
189 	}
190 }
191 
soc21_didt_rreg(struct amdgpu_device * adev,u32 reg)192 static u32 soc21_didt_rreg(struct amdgpu_device *adev, u32 reg)
193 {
194 	unsigned long flags, address, data;
195 	u32 r;
196 
197 	address = SOC15_REG_OFFSET(GC, 0, regDIDT_IND_INDEX);
198 	data = SOC15_REG_OFFSET(GC, 0, regDIDT_IND_DATA);
199 
200 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
201 	WREG32(address, (reg));
202 	r = RREG32(data);
203 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
204 	return r;
205 }
206 
soc21_didt_wreg(struct amdgpu_device * adev,u32 reg,u32 v)207 static void soc21_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
208 {
209 	unsigned long flags, address, data;
210 
211 	address = SOC15_REG_OFFSET(GC, 0, regDIDT_IND_INDEX);
212 	data = SOC15_REG_OFFSET(GC, 0, regDIDT_IND_DATA);
213 
214 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
215 	WREG32(address, (reg));
216 	WREG32(data, (v));
217 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
218 }
219 
soc21_get_config_memsize(struct amdgpu_device * adev)220 static u32 soc21_get_config_memsize(struct amdgpu_device *adev)
221 {
222 	return adev->nbio.funcs->get_memsize(adev);
223 }
224 
soc21_get_xclk(struct amdgpu_device * adev)225 static u32 soc21_get_xclk(struct amdgpu_device *adev)
226 {
227 	return adev->clock.spll.reference_freq;
228 }
229 
230 
soc21_grbm_select(struct amdgpu_device * adev,u32 me,u32 pipe,u32 queue,u32 vmid)231 void soc21_grbm_select(struct amdgpu_device *adev,
232 		     u32 me, u32 pipe, u32 queue, u32 vmid)
233 {
234 	u32 grbm_gfx_cntl = 0;
235 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
236 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
237 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
238 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
239 
240 	WREG32_SOC15(GC, 0, regGRBM_GFX_CNTL, grbm_gfx_cntl);
241 }
242 
soc21_read_disabled_bios(struct amdgpu_device * adev)243 static bool soc21_read_disabled_bios(struct amdgpu_device *adev)
244 {
245 	/* todo */
246 	return false;
247 }
248 
249 static struct soc15_allowed_register_entry soc21_allowed_read_registers[] = {
250 	{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS)},
251 	{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS2)},
252 	{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS_SE0)},
253 	{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS_SE1)},
254 	{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS_SE2)},
255 	{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS_SE3)},
256 	{ SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_STATUS_REG)},
257 	{ SOC15_REG_ENTRY(SDMA1, 0, regSDMA1_STATUS_REG)},
258 	{ SOC15_REG_ENTRY(GC, 0, regCP_STAT)},
259 	{ SOC15_REG_ENTRY(GC, 0, regCP_STALLED_STAT1)},
260 	{ SOC15_REG_ENTRY(GC, 0, regCP_STALLED_STAT2)},
261 	{ SOC15_REG_ENTRY(GC, 0, regCP_STALLED_STAT3)},
262 	{ SOC15_REG_ENTRY(GC, 0, regCP_CPF_BUSY_STAT)},
263 	{ SOC15_REG_ENTRY(GC, 0, regCP_CPF_STALLED_STAT1)},
264 	{ SOC15_REG_ENTRY(GC, 0, regCP_CPF_STATUS)},
265 	{ SOC15_REG_ENTRY(GC, 0, regCP_CPC_BUSY_STAT)},
266 	{ SOC15_REG_ENTRY(GC, 0, regCP_CPC_STALLED_STAT1)},
267 	{ SOC15_REG_ENTRY(GC, 0, regCP_CPC_STATUS)},
268 	{ SOC15_REG_ENTRY(GC, 0, regGB_ADDR_CONFIG)},
269 };
270 
soc21_read_indexed_register(struct amdgpu_device * adev,u32 se_num,u32 sh_num,u32 reg_offset)271 static uint32_t soc21_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
272 					 u32 sh_num, u32 reg_offset)
273 {
274 	uint32_t val;
275 
276 	mutex_lock(&adev->grbm_idx_mutex);
277 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
278 		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff, 0);
279 
280 	val = RREG32(reg_offset);
281 
282 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
283 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff, 0);
284 	mutex_unlock(&adev->grbm_idx_mutex);
285 	return val;
286 }
287 
soc21_get_register_value(struct amdgpu_device * adev,bool indexed,u32 se_num,u32 sh_num,u32 reg_offset)288 static uint32_t soc21_get_register_value(struct amdgpu_device *adev,
289 				      bool indexed, u32 se_num,
290 				      u32 sh_num, u32 reg_offset)
291 {
292 	if (indexed) {
293 		return soc21_read_indexed_register(adev, se_num, sh_num, reg_offset);
294 	} else {
295 		if (reg_offset == SOC15_REG_OFFSET(GC, 0, regGB_ADDR_CONFIG) && adev->gfx.config.gb_addr_config)
296 			return adev->gfx.config.gb_addr_config;
297 		return RREG32(reg_offset);
298 	}
299 }
300 
soc21_read_register(struct amdgpu_device * adev,u32 se_num,u32 sh_num,u32 reg_offset,u32 * value)301 static int soc21_read_register(struct amdgpu_device *adev, u32 se_num,
302 			    u32 sh_num, u32 reg_offset, u32 *value)
303 {
304 	uint32_t i;
305 	struct soc15_allowed_register_entry  *en;
306 
307 	*value = 0;
308 	for (i = 0; i < ARRAY_SIZE(soc21_allowed_read_registers); i++) {
309 		en = &soc21_allowed_read_registers[i];
310 		if (!adev->reg_offset[en->hwip][en->inst])
311 			continue;
312 		else if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
313 					+ en->reg_offset))
314 			continue;
315 
316 		*value = soc21_get_register_value(adev,
317 					       soc21_allowed_read_registers[i].grbm_indexed,
318 					       se_num, sh_num, reg_offset);
319 		return 0;
320 	}
321 	return -EINVAL;
322 }
323 
324 #if 0
325 static int soc21_asic_mode1_reset(struct amdgpu_device *adev)
326 {
327 	u32 i;
328 	int ret = 0;
329 
330 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
331 
332 	/* disable BM */
333 	pci_clear_master(adev->pdev);
334 
335 	amdgpu_device_cache_pci_state(adev->pdev);
336 
337 	if (amdgpu_dpm_is_mode1_reset_supported(adev)) {
338 		dev_info(adev->dev, "GPU smu mode1 reset\n");
339 		ret = amdgpu_dpm_mode1_reset(adev);
340 	} else {
341 		dev_info(adev->dev, "GPU psp mode1 reset\n");
342 		ret = psp_gpu_reset(adev);
343 	}
344 
345 	if (ret)
346 		dev_err(adev->dev, "GPU mode1 reset failed\n");
347 	amdgpu_device_load_pci_state(adev->pdev);
348 
349 	/* wait for asic to come out of reset */
350 	for (i = 0; i < adev->usec_timeout; i++) {
351 		u32 memsize = adev->nbio.funcs->get_memsize(adev);
352 
353 		if (memsize != 0xffffffff)
354 			break;
355 		udelay(1);
356 	}
357 
358 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
359 
360 	return ret;
361 }
362 #endif
363 
364 static enum amd_reset_method
soc21_asic_reset_method(struct amdgpu_device * adev)365 soc21_asic_reset_method(struct amdgpu_device *adev)
366 {
367 	if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
368 	    amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
369 	    amdgpu_reset_method == AMD_RESET_METHOD_BACO)
370 		return amdgpu_reset_method;
371 
372 	if (amdgpu_reset_method != -1)
373 		dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
374 				  amdgpu_reset_method);
375 
376 	switch (adev->ip_versions[MP1_HWIP][0]) {
377 	case IP_VERSION(13, 0, 0):
378 	case IP_VERSION(13, 0, 7):
379 	case IP_VERSION(13, 0, 10):
380 		return AMD_RESET_METHOD_MODE1;
381 	case IP_VERSION(13, 0, 4):
382 	case IP_VERSION(13, 0, 11):
383 		return AMD_RESET_METHOD_MODE2;
384 	default:
385 		if (amdgpu_dpm_is_baco_supported(adev))
386 			return AMD_RESET_METHOD_BACO;
387 		else
388 			return AMD_RESET_METHOD_MODE1;
389 	}
390 }
391 
soc21_asic_reset(struct amdgpu_device * adev)392 static int soc21_asic_reset(struct amdgpu_device *adev)
393 {
394 	int ret = 0;
395 
396 	switch (soc21_asic_reset_method(adev)) {
397 	case AMD_RESET_METHOD_PCI:
398 		dev_info(adev->dev, "PCI reset\n");
399 		ret = amdgpu_device_pci_reset(adev);
400 		break;
401 	case AMD_RESET_METHOD_BACO:
402 		dev_info(adev->dev, "BACO reset\n");
403 		ret = amdgpu_dpm_baco_reset(adev);
404 		break;
405 	case AMD_RESET_METHOD_MODE2:
406 		dev_info(adev->dev, "MODE2 reset\n");
407 		ret = amdgpu_dpm_mode2_reset(adev);
408 		break;
409 	default:
410 		dev_info(adev->dev, "MODE1 reset\n");
411 		ret = amdgpu_device_mode1_reset(adev);
412 		break;
413 	}
414 
415 	return ret;
416 }
417 
soc21_set_uvd_clocks(struct amdgpu_device * adev,u32 vclk,u32 dclk)418 static int soc21_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
419 {
420 	/* todo */
421 	return 0;
422 }
423 
soc21_set_vce_clocks(struct amdgpu_device * adev,u32 evclk,u32 ecclk)424 static int soc21_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
425 {
426 	/* todo */
427 	return 0;
428 }
429 
soc21_program_aspm(struct amdgpu_device * adev)430 static void soc21_program_aspm(struct amdgpu_device *adev)
431 {
432 	if (!amdgpu_device_should_use_aspm(adev))
433 		return;
434 
435 	if (!(adev->flags & AMD_IS_APU) &&
436 	    (adev->nbio.funcs->program_aspm))
437 		adev->nbio.funcs->program_aspm(adev);
438 }
439 
440 const struct amdgpu_ip_block_version soc21_common_ip_block = {
441 	.type = AMD_IP_BLOCK_TYPE_COMMON,
442 	.major = 1,
443 	.minor = 0,
444 	.rev = 0,
445 	.funcs = &soc21_common_ip_funcs,
446 };
447 
soc21_need_full_reset(struct amdgpu_device * adev)448 static bool soc21_need_full_reset(struct amdgpu_device *adev)
449 {
450 	switch (adev->ip_versions[GC_HWIP][0]) {
451 	case IP_VERSION(11, 0, 0):
452 		return amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC);
453 	case IP_VERSION(11, 0, 2):
454 	case IP_VERSION(11, 0, 3):
455 		return false;
456 	default:
457 		return true;
458 	}
459 }
460 
soc21_need_reset_on_init(struct amdgpu_device * adev)461 static bool soc21_need_reset_on_init(struct amdgpu_device *adev)
462 {
463 	u32 sol_reg;
464 
465 	if (adev->flags & AMD_IS_APU)
466 		return false;
467 
468 	/* Check sOS sign of life register to confirm sys driver and sOS
469 	 * are already been loaded.
470 	 */
471 	sol_reg = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81);
472 	if (sol_reg)
473 		return true;
474 
475 	return false;
476 }
477 
soc21_init_doorbell_index(struct amdgpu_device * adev)478 static void soc21_init_doorbell_index(struct amdgpu_device *adev)
479 {
480 	adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ;
481 	adev->doorbell_index.mec_ring0 = AMDGPU_NAVI10_DOORBELL_MEC_RING0;
482 	adev->doorbell_index.mec_ring1 = AMDGPU_NAVI10_DOORBELL_MEC_RING1;
483 	adev->doorbell_index.mec_ring2 = AMDGPU_NAVI10_DOORBELL_MEC_RING2;
484 	adev->doorbell_index.mec_ring3 = AMDGPU_NAVI10_DOORBELL_MEC_RING3;
485 	adev->doorbell_index.mec_ring4 = AMDGPU_NAVI10_DOORBELL_MEC_RING4;
486 	adev->doorbell_index.mec_ring5 = AMDGPU_NAVI10_DOORBELL_MEC_RING5;
487 	adev->doorbell_index.mec_ring6 = AMDGPU_NAVI10_DOORBELL_MEC_RING6;
488 	adev->doorbell_index.mec_ring7 = AMDGPU_NAVI10_DOORBELL_MEC_RING7;
489 	adev->doorbell_index.userqueue_start = AMDGPU_NAVI10_DOORBELL_USERQUEUE_START;
490 	adev->doorbell_index.userqueue_end = AMDGPU_NAVI10_DOORBELL_USERQUEUE_END;
491 	adev->doorbell_index.gfx_ring0 = AMDGPU_NAVI10_DOORBELL_GFX_RING0;
492 	adev->doorbell_index.gfx_ring1 = AMDGPU_NAVI10_DOORBELL_GFX_RING1;
493 	adev->doorbell_index.gfx_userqueue_start =
494 		AMDGPU_NAVI10_DOORBELL_GFX_USERQUEUE_START;
495 	adev->doorbell_index.gfx_userqueue_end =
496 		AMDGPU_NAVI10_DOORBELL_GFX_USERQUEUE_END;
497 	adev->doorbell_index.mes_ring0 = AMDGPU_NAVI10_DOORBELL_MES_RING0;
498 	adev->doorbell_index.mes_ring1 = AMDGPU_NAVI10_DOORBELL_MES_RING1;
499 	adev->doorbell_index.sdma_engine[0] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0;
500 	adev->doorbell_index.sdma_engine[1] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE1;
501 	adev->doorbell_index.ih = AMDGPU_NAVI10_DOORBELL_IH;
502 	adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_NAVI10_DOORBELL64_VCN0_1;
503 	adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_NAVI10_DOORBELL64_VCN2_3;
504 	adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_NAVI10_DOORBELL64_VCN4_5;
505 	adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_NAVI10_DOORBELL64_VCN6_7;
506 	adev->doorbell_index.first_non_cp = AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP;
507 	adev->doorbell_index.last_non_cp = AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP;
508 
509 	adev->doorbell_index.max_assignment = AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT << 1;
510 	adev->doorbell_index.sdma_doorbell_range = 20;
511 }
512 
soc21_pre_asic_init(struct amdgpu_device * adev)513 static void soc21_pre_asic_init(struct amdgpu_device *adev)
514 {
515 }
516 
soc21_update_umd_stable_pstate(struct amdgpu_device * adev,bool enter)517 static int soc21_update_umd_stable_pstate(struct amdgpu_device *adev,
518 					  bool enter)
519 {
520 	if (enter)
521 		amdgpu_gfx_rlc_enter_safe_mode(adev, 0);
522 	else
523 		amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
524 
525 	if (adev->gfx.funcs->update_perfmon_mgcg)
526 		adev->gfx.funcs->update_perfmon_mgcg(adev, !enter);
527 
528 	return 0;
529 }
530 
531 static const struct amdgpu_asic_funcs soc21_asic_funcs = {
532 	.read_disabled_bios = &soc21_read_disabled_bios,
533 	.read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
534 	.read_register = &soc21_read_register,
535 	.reset = &soc21_asic_reset,
536 	.reset_method = &soc21_asic_reset_method,
537 	.get_xclk = &soc21_get_xclk,
538 	.set_uvd_clocks = &soc21_set_uvd_clocks,
539 	.set_vce_clocks = &soc21_set_vce_clocks,
540 	.get_config_memsize = &soc21_get_config_memsize,
541 	.init_doorbell_index = &soc21_init_doorbell_index,
542 	.need_full_reset = &soc21_need_full_reset,
543 	.need_reset_on_init = &soc21_need_reset_on_init,
544 	.get_pcie_replay_count = &amdgpu_nbio_get_pcie_replay_count,
545 	.supports_baco = &amdgpu_dpm_is_baco_supported,
546 	.pre_asic_init = &soc21_pre_asic_init,
547 	.query_video_codecs = &soc21_query_video_codecs,
548 	.update_umd_stable_pstate = &soc21_update_umd_stable_pstate,
549 };
550 
soc21_common_early_init(void * handle)551 static int soc21_common_early_init(void *handle)
552 {
553 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
554 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
555 
556 	adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
557 	adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
558 	adev->smc_rreg = NULL;
559 	adev->smc_wreg = NULL;
560 	adev->pcie_rreg = &amdgpu_device_indirect_rreg;
561 	adev->pcie_wreg = &amdgpu_device_indirect_wreg;
562 	adev->pcie_rreg64 = &amdgpu_device_indirect_rreg64;
563 	adev->pcie_wreg64 = &amdgpu_device_indirect_wreg64;
564 	adev->pciep_rreg = amdgpu_device_pcie_port_rreg;
565 	adev->pciep_wreg = amdgpu_device_pcie_port_wreg;
566 
567 	/* TODO: will add them during VCN v2 implementation */
568 	adev->uvd_ctx_rreg = NULL;
569 	adev->uvd_ctx_wreg = NULL;
570 
571 	adev->didt_rreg = &soc21_didt_rreg;
572 	adev->didt_wreg = &soc21_didt_wreg;
573 
574 	adev->asic_funcs = &soc21_asic_funcs;
575 
576 	adev->rev_id = amdgpu_device_get_rev_id(adev);
577 	adev->external_rev_id = 0xff;
578 	switch (adev->ip_versions[GC_HWIP][0]) {
579 	case IP_VERSION(11, 0, 0):
580 		adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
581 			AMD_CG_SUPPORT_GFX_CGLS |
582 #if 0
583 			AMD_CG_SUPPORT_GFX_3D_CGCG |
584 			AMD_CG_SUPPORT_GFX_3D_CGLS |
585 #endif
586 			AMD_CG_SUPPORT_GFX_MGCG |
587 			AMD_CG_SUPPORT_REPEATER_FGCG |
588 			AMD_CG_SUPPORT_GFX_FGCG |
589 			AMD_CG_SUPPORT_GFX_PERF_CLK |
590 			AMD_CG_SUPPORT_VCN_MGCG |
591 			AMD_CG_SUPPORT_JPEG_MGCG |
592 			AMD_CG_SUPPORT_ATHUB_MGCG |
593 			AMD_CG_SUPPORT_ATHUB_LS |
594 			AMD_CG_SUPPORT_MC_MGCG |
595 			AMD_CG_SUPPORT_MC_LS |
596 			AMD_CG_SUPPORT_IH_CG |
597 			AMD_CG_SUPPORT_HDP_SD;
598 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
599 			AMD_PG_SUPPORT_VCN_DPG |
600 			AMD_PG_SUPPORT_JPEG |
601 			AMD_PG_SUPPORT_ATHUB |
602 			AMD_PG_SUPPORT_MMHUB;
603 		adev->external_rev_id = adev->rev_id + 0x1; // TODO: need update
604 		break;
605 	case IP_VERSION(11, 0, 2):
606 		adev->cg_flags =
607 			AMD_CG_SUPPORT_GFX_CGCG |
608 			AMD_CG_SUPPORT_GFX_CGLS |
609 			AMD_CG_SUPPORT_REPEATER_FGCG |
610 			AMD_CG_SUPPORT_VCN_MGCG |
611 			AMD_CG_SUPPORT_JPEG_MGCG |
612 			AMD_CG_SUPPORT_ATHUB_MGCG |
613 			AMD_CG_SUPPORT_ATHUB_LS |
614 			AMD_CG_SUPPORT_IH_CG |
615 			AMD_CG_SUPPORT_HDP_SD;
616 		adev->pg_flags =
617 			AMD_PG_SUPPORT_VCN |
618 			AMD_PG_SUPPORT_VCN_DPG |
619 			AMD_PG_SUPPORT_JPEG |
620 			AMD_PG_SUPPORT_ATHUB |
621 			AMD_PG_SUPPORT_MMHUB;
622 		adev->external_rev_id = adev->rev_id + 0x10;
623 		break;
624 	case IP_VERSION(11, 0, 1):
625 		adev->cg_flags =
626 			AMD_CG_SUPPORT_GFX_CGCG |
627 			AMD_CG_SUPPORT_GFX_CGLS |
628 			AMD_CG_SUPPORT_GFX_MGCG |
629 			AMD_CG_SUPPORT_GFX_FGCG |
630 			AMD_CG_SUPPORT_REPEATER_FGCG |
631 			AMD_CG_SUPPORT_GFX_PERF_CLK |
632 			AMD_CG_SUPPORT_MC_MGCG |
633 			AMD_CG_SUPPORT_MC_LS |
634 			AMD_CG_SUPPORT_HDP_MGCG |
635 			AMD_CG_SUPPORT_HDP_LS |
636 			AMD_CG_SUPPORT_ATHUB_MGCG |
637 			AMD_CG_SUPPORT_ATHUB_LS |
638 			AMD_CG_SUPPORT_IH_CG |
639 			AMD_CG_SUPPORT_BIF_MGCG |
640 			AMD_CG_SUPPORT_BIF_LS |
641 			AMD_CG_SUPPORT_VCN_MGCG |
642 			AMD_CG_SUPPORT_JPEG_MGCG;
643 		adev->pg_flags =
644 			AMD_PG_SUPPORT_GFX_PG |
645 			AMD_PG_SUPPORT_VCN |
646 			AMD_PG_SUPPORT_VCN_DPG |
647 			AMD_PG_SUPPORT_JPEG;
648 		adev->external_rev_id = adev->rev_id + 0x1;
649 		break;
650 	case IP_VERSION(11, 0, 3):
651 		adev->cg_flags = AMD_CG_SUPPORT_VCN_MGCG |
652 			AMD_CG_SUPPORT_JPEG_MGCG |
653 			AMD_CG_SUPPORT_GFX_CGCG |
654 			AMD_CG_SUPPORT_GFX_CGLS |
655 			AMD_CG_SUPPORT_REPEATER_FGCG |
656 			AMD_CG_SUPPORT_GFX_MGCG |
657 			AMD_CG_SUPPORT_HDP_SD |
658 			AMD_CG_SUPPORT_ATHUB_MGCG |
659 			AMD_CG_SUPPORT_ATHUB_LS;
660 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
661 			AMD_PG_SUPPORT_VCN_DPG |
662 			AMD_PG_SUPPORT_JPEG;
663 		adev->external_rev_id = adev->rev_id + 0x20;
664 		break;
665 	case IP_VERSION(11, 0, 4):
666 		adev->cg_flags =
667 			AMD_CG_SUPPORT_GFX_CGCG |
668 			AMD_CG_SUPPORT_GFX_CGLS |
669 			AMD_CG_SUPPORT_GFX_MGCG |
670 			AMD_CG_SUPPORT_GFX_FGCG |
671 			AMD_CG_SUPPORT_REPEATER_FGCG |
672 			AMD_CG_SUPPORT_GFX_PERF_CLK |
673 			AMD_CG_SUPPORT_MC_MGCG |
674 			AMD_CG_SUPPORT_MC_LS |
675 			AMD_CG_SUPPORT_HDP_MGCG |
676 			AMD_CG_SUPPORT_HDP_LS |
677 			AMD_CG_SUPPORT_ATHUB_MGCG |
678 			AMD_CG_SUPPORT_ATHUB_LS |
679 			AMD_CG_SUPPORT_IH_CG |
680 			AMD_CG_SUPPORT_BIF_MGCG |
681 			AMD_CG_SUPPORT_BIF_LS |
682 			AMD_CG_SUPPORT_VCN_MGCG |
683 			AMD_CG_SUPPORT_JPEG_MGCG;
684 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
685 			AMD_PG_SUPPORT_VCN_DPG |
686 			AMD_PG_SUPPORT_GFX_PG |
687 			AMD_PG_SUPPORT_JPEG;
688 		adev->external_rev_id = adev->rev_id + 0x80;
689 		break;
690 
691 	default:
692 		/* FIXME: not supported yet */
693 		return -EINVAL;
694 	}
695 
696 	if (amdgpu_sriov_vf(adev)) {
697 		amdgpu_virt_init_setting(adev);
698 		xgpu_nv_mailbox_set_irq_funcs(adev);
699 	}
700 
701 	return 0;
702 }
703 
soc21_common_late_init(void * handle)704 static int soc21_common_late_init(void *handle)
705 {
706 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
707 
708 	if (amdgpu_sriov_vf(adev)) {
709 		xgpu_nv_mailbox_get_irq(adev);
710 		if ((adev->vcn.harvest_config & AMDGPU_VCN_HARVEST_VCN0) ||
711 		!amdgpu_sriov_is_av1_support(adev)) {
712 			amdgpu_virt_update_sriov_video_codec(adev,
713 							     sriov_vcn_4_0_0_video_codecs_encode_array_vcn1,
714 							     ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_encode_array_vcn1),
715 							     sriov_vcn_4_0_0_video_codecs_decode_array_vcn1,
716 							     ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_decode_array_vcn1));
717 		} else {
718 			amdgpu_virt_update_sriov_video_codec(adev,
719 							     sriov_vcn_4_0_0_video_codecs_encode_array_vcn0,
720 							     ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_encode_array_vcn0),
721 							     sriov_vcn_4_0_0_video_codecs_decode_array_vcn0,
722 							     ARRAY_SIZE(sriov_vcn_4_0_0_video_codecs_decode_array_vcn0));
723 		}
724 	} else {
725 		if (adev->nbio.ras &&
726 		    adev->nbio.ras_err_event_athub_irq.funcs)
727 			/* don't need to fail gpu late init
728 			 * if enabling athub_err_event interrupt failed
729 			 * nbio v4_3 only support fatal error hanlding
730 			 * just enable the interrupt directly */
731 			amdgpu_irq_get(adev, &adev->nbio.ras_err_event_athub_irq, 0);
732 	}
733 
734 	/* Enable selfring doorbell aperture late because doorbell BAR
735 	 * aperture will change if resize BAR successfully in gmc sw_init.
736 	 */
737 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, true);
738 
739 	return 0;
740 }
741 
soc21_common_sw_init(void * handle)742 static int soc21_common_sw_init(void *handle)
743 {
744 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
745 
746 	if (amdgpu_sriov_vf(adev))
747 		xgpu_nv_mailbox_add_irq_id(adev);
748 
749 	return 0;
750 }
751 
soc21_common_sw_fini(void * handle)752 static int soc21_common_sw_fini(void *handle)
753 {
754 	return 0;
755 }
756 
soc21_common_hw_init(void * handle)757 static int soc21_common_hw_init(void *handle)
758 {
759 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
760 
761 	/* enable aspm */
762 	soc21_program_aspm(adev);
763 	/* setup nbio registers */
764 	adev->nbio.funcs->init_registers(adev);
765 	/* remap HDP registers to a hole in mmio space,
766 	 * for the purpose of expose those registers
767 	 * to process space
768 	 */
769 	if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
770 		adev->nbio.funcs->remap_hdp_registers(adev);
771 	/* enable the doorbell aperture */
772 	adev->nbio.funcs->enable_doorbell_aperture(adev, true);
773 
774 	return 0;
775 }
776 
soc21_common_hw_fini(void * handle)777 static int soc21_common_hw_fini(void *handle)
778 {
779 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
780 
781 	/* Disable the doorbell aperture and selfring doorbell aperture
782 	 * separately in hw_fini because soc21_enable_doorbell_aperture
783 	 * has been removed and there is no need to delay disabling
784 	 * selfring doorbell.
785 	 */
786 	adev->nbio.funcs->enable_doorbell_aperture(adev, false);
787 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, false);
788 
789 	if (amdgpu_sriov_vf(adev)) {
790 		xgpu_nv_mailbox_put_irq(adev);
791 	} else {
792 		if (adev->nbio.ras &&
793 		    adev->nbio.ras_err_event_athub_irq.funcs)
794 			amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
795 	}
796 
797 	return 0;
798 }
799 
soc21_common_suspend(void * handle)800 static int soc21_common_suspend(void *handle)
801 {
802 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
803 
804 	return soc21_common_hw_fini(adev);
805 }
806 
soc21_common_resume(void * handle)807 static int soc21_common_resume(void *handle)
808 {
809 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
810 
811 	return soc21_common_hw_init(adev);
812 }
813 
soc21_common_is_idle(void * handle)814 static bool soc21_common_is_idle(void *handle)
815 {
816 	return true;
817 }
818 
soc21_common_wait_for_idle(void * handle)819 static int soc21_common_wait_for_idle(void *handle)
820 {
821 	return 0;
822 }
823 
soc21_common_soft_reset(void * handle)824 static int soc21_common_soft_reset(void *handle)
825 {
826 	return 0;
827 }
828 
soc21_common_set_clockgating_state(void * handle,enum amd_clockgating_state state)829 static int soc21_common_set_clockgating_state(void *handle,
830 					   enum amd_clockgating_state state)
831 {
832 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
833 
834 	switch (adev->ip_versions[NBIO_HWIP][0]) {
835 	case IP_VERSION(4, 3, 0):
836 	case IP_VERSION(4, 3, 1):
837 	case IP_VERSION(7, 7, 0):
838 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
839 				state == AMD_CG_STATE_GATE);
840 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
841 				state == AMD_CG_STATE_GATE);
842 		adev->hdp.funcs->update_clock_gating(adev,
843 				state == AMD_CG_STATE_GATE);
844 		break;
845 	default:
846 		break;
847 	}
848 	return 0;
849 }
850 
soc21_common_set_powergating_state(void * handle,enum amd_powergating_state state)851 static int soc21_common_set_powergating_state(void *handle,
852 					   enum amd_powergating_state state)
853 {
854 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
855 
856 	switch (adev->ip_versions[LSDMA_HWIP][0]) {
857 	case IP_VERSION(6, 0, 0):
858 	case IP_VERSION(6, 0, 2):
859 		adev->lsdma.funcs->update_memory_power_gating(adev,
860 				state == AMD_PG_STATE_GATE);
861 		break;
862 	default:
863 		break;
864 	}
865 
866 	return 0;
867 }
868 
soc21_common_get_clockgating_state(void * handle,u64 * flags)869 static void soc21_common_get_clockgating_state(void *handle, u64 *flags)
870 {
871 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
872 
873 	adev->nbio.funcs->get_clockgating_state(adev, flags);
874 
875 	adev->hdp.funcs->get_clock_gating_state(adev, flags);
876 
877 	return;
878 }
879 
880 static const struct amd_ip_funcs soc21_common_ip_funcs = {
881 	.name = "soc21_common",
882 	.early_init = soc21_common_early_init,
883 	.late_init = soc21_common_late_init,
884 	.sw_init = soc21_common_sw_init,
885 	.sw_fini = soc21_common_sw_fini,
886 	.hw_init = soc21_common_hw_init,
887 	.hw_fini = soc21_common_hw_fini,
888 	.suspend = soc21_common_suspend,
889 	.resume = soc21_common_resume,
890 	.is_idle = soc21_common_is_idle,
891 	.wait_for_idle = soc21_common_wait_for_idle,
892 	.soft_reset = soc21_common_soft_reset,
893 	.set_clockgating_state = soc21_common_set_clockgating_state,
894 	.set_powergating_state = soc21_common_set_powergating_state,
895 	.get_clockgating_state = soc21_common_get_clockgating_state,
896 };
897