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 "vega10_ih.h"
62 #include "sdma_v4_0.h"
63 #include "uvd_v7_0.h"
64 #include "vce_v4_0.h"
65 #include "vcn_v1_0.h"
66 #include "vcn_v2_0.h"
67 #include "vcn_v2_5.h"
68 #include "dce_virtual.h"
69 #include "mxgpu_ai.h"
70 #include "amdgpu_smu.h"
71 #include "amdgpu_ras.h"
72 #include "amdgpu_xgmi.h"
73 #include <uapi/linux/kfd_ioctl.h>
74 
75 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
76 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
77 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
78 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
79 
80 /* for Vega20 register name change */
81 #define mmHDP_MEM_POWER_CTRL	0x00d4
82 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK	0x00000001L
83 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK	0x00000002L
84 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK	0x00010000L
85 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK		0x00020000L
86 #define mmHDP_MEM_POWER_CTRL_BASE_IDX	0
87 /*
88  * Indirect registers accessor
89  */
soc15_pcie_rreg(struct amdgpu_device * adev,u32 reg)90 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
91 {
92 	unsigned long flags, address, data;
93 	u32 r;
94 	address = adev->nbio_funcs->get_pcie_index_offset(adev);
95 	data = adev->nbio_funcs->get_pcie_data_offset(adev);
96 
97 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
98 	WREG32(address, reg);
99 	(void)RREG32(address);
100 	r = RREG32(data);
101 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
102 	return r;
103 }
104 
soc15_pcie_wreg(struct amdgpu_device * adev,u32 reg,u32 v)105 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
106 {
107 	unsigned long flags, address, data;
108 
109 	address = adev->nbio_funcs->get_pcie_index_offset(adev);
110 	data = adev->nbio_funcs->get_pcie_data_offset(adev);
111 
112 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
113 	WREG32(address, reg);
114 	(void)RREG32(address);
115 	WREG32(data, v);
116 	(void)RREG32(data);
117 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
118 }
119 
soc15_pcie_rreg64(struct amdgpu_device * adev,u32 reg)120 static u64 soc15_pcie_rreg64(struct amdgpu_device *adev, u32 reg)
121 {
122 	unsigned long flags, address, data;
123 	u64 r;
124 	address = adev->nbio_funcs->get_pcie_index_offset(adev);
125 	data = adev->nbio_funcs->get_pcie_data_offset(adev);
126 
127 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
128 	/* read low 32 bit */
129 	WREG32(address, reg);
130 	(void)RREG32(address);
131 	r = RREG32(data);
132 
133 	/* read high 32 bit*/
134 	WREG32(address, reg + 4);
135 	(void)RREG32(address);
136 	r |= ((u64)RREG32(data) << 32);
137 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
138 	return r;
139 }
140 
soc15_pcie_wreg64(struct amdgpu_device * adev,u32 reg,u64 v)141 static void soc15_pcie_wreg64(struct amdgpu_device *adev, u32 reg, u64 v)
142 {
143 	unsigned long flags, address, data;
144 
145 	address = adev->nbio_funcs->get_pcie_index_offset(adev);
146 	data = adev->nbio_funcs->get_pcie_data_offset(adev);
147 
148 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
149 	/* write low 32 bit */
150 	WREG32(address, reg);
151 	(void)RREG32(address);
152 	WREG32(data, (u32)(v & 0xffffffffULL));
153 	(void)RREG32(data);
154 
155 	/* write high 32 bit */
156 	WREG32(address, reg + 4);
157 	(void)RREG32(address);
158 	WREG32(data, (u32)(v >> 32));
159 	(void)RREG32(data);
160 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
161 }
162 
soc15_uvd_ctx_rreg(struct amdgpu_device * adev,u32 reg)163 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
164 {
165 	unsigned long flags, address, data;
166 	u32 r;
167 
168 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
169 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
170 
171 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
172 	WREG32(address, ((reg) & 0x1ff));
173 	r = RREG32(data);
174 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
175 	return r;
176 }
177 
soc15_uvd_ctx_wreg(struct amdgpu_device * adev,u32 reg,u32 v)178 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
179 {
180 	unsigned long flags, address, data;
181 
182 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
183 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
184 
185 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
186 	WREG32(address, ((reg) & 0x1ff));
187 	WREG32(data, (v));
188 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
189 }
190 
soc15_didt_rreg(struct amdgpu_device * adev,u32 reg)191 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
192 {
193 	unsigned long flags, address, data;
194 	u32 r;
195 
196 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
197 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
198 
199 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
200 	WREG32(address, (reg));
201 	r = RREG32(data);
202 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
203 	return r;
204 }
205 
soc15_didt_wreg(struct amdgpu_device * adev,u32 reg,u32 v)206 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
207 {
208 	unsigned long flags, address, data;
209 
210 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
211 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
212 
213 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
214 	WREG32(address, (reg));
215 	WREG32(data, (v));
216 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
217 }
218 
soc15_gc_cac_rreg(struct amdgpu_device * adev,u32 reg)219 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
220 {
221 	unsigned long flags;
222 	u32 r;
223 
224 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
225 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
226 	r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
227 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
228 	return r;
229 }
230 
soc15_gc_cac_wreg(struct amdgpu_device * adev,u32 reg,u32 v)231 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
232 {
233 	unsigned long flags;
234 
235 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
236 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
237 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
238 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
239 }
240 
soc15_se_cac_rreg(struct amdgpu_device * adev,u32 reg)241 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
242 {
243 	unsigned long flags;
244 	u32 r;
245 
246 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
247 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
248 	r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
249 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
250 	return r;
251 }
252 
soc15_se_cac_wreg(struct amdgpu_device * adev,u32 reg,u32 v)253 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
254 {
255 	unsigned long flags;
256 
257 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
258 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
259 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
260 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
261 }
262 
soc15_get_config_memsize(struct amdgpu_device * adev)263 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
264 {
265 	return adev->nbio_funcs->get_memsize(adev);
266 }
267 
soc15_get_xclk(struct amdgpu_device * adev)268 static u32 soc15_get_xclk(struct amdgpu_device *adev)
269 {
270 	return adev->clock.spll.reference_freq;
271 }
272 
273 
soc15_grbm_select(struct amdgpu_device * adev,u32 me,u32 pipe,u32 queue,u32 vmid)274 void soc15_grbm_select(struct amdgpu_device *adev,
275 		     u32 me, u32 pipe, u32 queue, u32 vmid)
276 {
277 	u32 grbm_gfx_cntl = 0;
278 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
279 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
280 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
281 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
282 
283 	WREG32_SOC15_RLC_SHADOW(GC, 0, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
284 }
285 
soc15_vga_set_state(struct amdgpu_device * adev,bool state)286 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
287 {
288 	/* todo */
289 }
290 
soc15_read_disabled_bios(struct amdgpu_device * adev)291 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
292 {
293 	/* todo */
294 	return false;
295 }
296 
soc15_read_bios_from_rom(struct amdgpu_device * adev,u8 * bios,u32 length_bytes)297 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
298 				     u8 *bios, u32 length_bytes)
299 {
300 	u32 *dw_ptr;
301 	u32 i, length_dw;
302 
303 	if (bios == NULL)
304 		return false;
305 	if (length_bytes == 0)
306 		return false;
307 	/* APU vbios image is part of sbios image */
308 	if (adev->flags & AMD_IS_APU)
309 		return false;
310 
311 	dw_ptr = (u32 *)bios;
312 	length_dw = ALIGN(length_bytes, 4) / 4;
313 
314 	/* set rom index to 0 */
315 	WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
316 	/* read out the rom data */
317 	for (i = 0; i < length_dw; i++)
318 		dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
319 
320 	return true;
321 }
322 
323 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
324 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
325 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
326 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
327 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
328 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
329 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
330 	{ SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
331 	{ SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
332 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
333 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
334 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
335 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
336 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
337 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
338 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
339 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
340 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
341 	{ SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
342 	{ SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
343 };
344 
soc15_read_indexed_register(struct amdgpu_device * adev,u32 se_num,u32 sh_num,u32 reg_offset)345 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
346 					 u32 sh_num, u32 reg_offset)
347 {
348 	uint32_t val;
349 
350 	mutex_lock(&adev->grbm_idx_mutex);
351 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
352 		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
353 
354 	val = RREG32(reg_offset);
355 
356 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
357 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
358 	mutex_unlock(&adev->grbm_idx_mutex);
359 	return val;
360 }
361 
soc15_get_register_value(struct amdgpu_device * adev,bool indexed,u32 se_num,u32 sh_num,u32 reg_offset)362 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
363 					 bool indexed, u32 se_num,
364 					 u32 sh_num, u32 reg_offset)
365 {
366 	if (indexed) {
367 		return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
368 	} else {
369 		if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
370 			return adev->gfx.config.gb_addr_config;
371 		else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
372 			return adev->gfx.config.db_debug2;
373 		return RREG32(reg_offset);
374 	}
375 }
376 
soc15_read_register(struct amdgpu_device * adev,u32 se_num,u32 sh_num,u32 reg_offset,u32 * value)377 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
378 			    u32 sh_num, u32 reg_offset, u32 *value)
379 {
380 	uint32_t i;
381 	struct soc15_allowed_register_entry  *en;
382 
383 	*value = 0;
384 	for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
385 		en = &soc15_allowed_read_registers[i];
386 		if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
387 					+ en->reg_offset))
388 			continue;
389 
390 		*value = soc15_get_register_value(adev,
391 						  soc15_allowed_read_registers[i].grbm_indexed,
392 						  se_num, sh_num, reg_offset);
393 		return 0;
394 	}
395 	return -EINVAL;
396 }
397 
398 
399 /**
400  * soc15_program_register_sequence - program an array of registers.
401  *
402  * @adev: amdgpu_device pointer
403  * @regs: pointer to the register array
404  * @array_size: size of the register array
405  *
406  * Programs an array or registers with and and or masks.
407  * This is a helper for setting golden registers.
408  */
409 
soc15_program_register_sequence(struct amdgpu_device * adev,const struct soc15_reg_golden * regs,const u32 array_size)410 void soc15_program_register_sequence(struct amdgpu_device *adev,
411 					     const struct soc15_reg_golden *regs,
412 					     const u32 array_size)
413 {
414 	const struct soc15_reg_golden *entry;
415 	u32 tmp, reg;
416 	int i;
417 
418 	for (i = 0; i < array_size; ++i) {
419 		entry = &regs[i];
420 		reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
421 
422 		if (entry->and_mask == 0xffffffff) {
423 			tmp = entry->or_mask;
424 		} else {
425 			tmp = RREG32(reg);
426 			tmp &= ~(entry->and_mask);
427 			tmp |= (entry->or_mask & entry->and_mask);
428 		}
429 
430 		if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
431 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
432 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
433 			reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
434 			WREG32_RLC(reg, tmp);
435 		else
436 			WREG32(reg, tmp);
437 
438 	}
439 
440 }
441 
soc15_asic_mode1_reset(struct amdgpu_device * adev)442 static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
443 {
444 	u32 i;
445 	int ret = 0;
446 
447 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
448 
449 	dev_info(adev->dev, "GPU mode1 reset\n");
450 
451 	/* disable BM */
452 	pci_clear_master(adev->pdev);
453 
454 	pci_save_state(adev->pdev);
455 
456 	ret = psp_gpu_reset(adev);
457 	if (ret)
458 		dev_err(adev->dev, "GPU mode1 reset failed\n");
459 
460 	pci_restore_state(adev->pdev);
461 
462 	/* wait for asic to come out of reset */
463 	for (i = 0; i < adev->usec_timeout; i++) {
464 		u32 memsize = adev->nbio_funcs->get_memsize(adev);
465 
466 		if (memsize != 0xffffffff)
467 			break;
468 		udelay(1);
469 	}
470 
471 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
472 
473 	return ret;
474 }
475 
soc15_asic_get_baco_capability(struct amdgpu_device * adev,bool * cap)476 static int soc15_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap)
477 {
478 	void *pp_handle = adev->powerplay.pp_handle;
479 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
480 
481 	if (!pp_funcs || !pp_funcs->get_asic_baco_capability) {
482 		*cap = false;
483 		return -ENOENT;
484 	}
485 
486 	return pp_funcs->get_asic_baco_capability(pp_handle, cap);
487 }
488 
soc15_asic_baco_reset(struct amdgpu_device * adev)489 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
490 {
491 	void *pp_handle = adev->powerplay.pp_handle;
492 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
493 
494 	if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state)
495 		return -ENOENT;
496 
497 	/* enter BACO state */
498 	if (pp_funcs->set_asic_baco_state(pp_handle, 1))
499 		return -EIO;
500 
501 	/* exit BACO state */
502 	if (pp_funcs->set_asic_baco_state(pp_handle, 0))
503 		return -EIO;
504 
505 	dev_info(adev->dev, "GPU BACO reset\n");
506 
507 	adev->in_baco_reset = 1;
508 
509 	return 0;
510 }
511 
soc15_mode2_reset(struct amdgpu_device * adev)512 static int soc15_mode2_reset(struct amdgpu_device *adev)
513 {
514 	if (!adev->powerplay.pp_funcs ||
515 	    !adev->powerplay.pp_funcs->asic_reset_mode_2)
516 		return -ENOENT;
517 
518 	return adev->powerplay.pp_funcs->asic_reset_mode_2(adev->powerplay.pp_handle);
519 }
520 
521 static enum amd_reset_method
soc15_asic_reset_method(struct amdgpu_device * adev)522 soc15_asic_reset_method(struct amdgpu_device *adev)
523 {
524 	bool baco_reset;
525 
526 	switch (adev->asic_type) {
527 	case CHIP_RAVEN:
528 		return AMD_RESET_METHOD_MODE2;
529 	case CHIP_VEGA10:
530 	case CHIP_VEGA12:
531 		soc15_asic_get_baco_capability(adev, &baco_reset);
532 		break;
533 	case CHIP_VEGA20:
534 		if (adev->psp.sos_fw_version >= 0x80067)
535 			soc15_asic_get_baco_capability(adev, &baco_reset);
536 		else
537 			baco_reset = false;
538 		if (baco_reset) {
539 			struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0);
540 			struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
541 
542 			if (hive || (ras && ras->supported))
543 				baco_reset = false;
544 		}
545 		break;
546 	default:
547 		baco_reset = false;
548 		break;
549 	}
550 
551 	if (baco_reset)
552 		return AMD_RESET_METHOD_BACO;
553 	else
554 		return AMD_RESET_METHOD_MODE1;
555 }
556 
soc15_asic_reset(struct amdgpu_device * adev)557 static int soc15_asic_reset(struct amdgpu_device *adev)
558 {
559 	switch (soc15_asic_reset_method(adev)) {
560 		case AMD_RESET_METHOD_BACO:
561 			if (!adev->in_suspend)
562 				amdgpu_inc_vram_lost(adev);
563 			return soc15_asic_baco_reset(adev);
564 		case AMD_RESET_METHOD_MODE2:
565 			return soc15_mode2_reset(adev);
566 		default:
567 			if (!adev->in_suspend)
568 				amdgpu_inc_vram_lost(adev);
569 			return soc15_asic_mode1_reset(adev);
570 	}
571 }
572 
573 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
574 			u32 cntl_reg, u32 status_reg)
575 {
576 	return 0;
577 }*/
578 
soc15_set_uvd_clocks(struct amdgpu_device * adev,u32 vclk,u32 dclk)579 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
580 {
581 	/*int r;
582 
583 	r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
584 	if (r)
585 		return r;
586 
587 	r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
588 	*/
589 	return 0;
590 }
591 
soc15_set_vce_clocks(struct amdgpu_device * adev,u32 evclk,u32 ecclk)592 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
593 {
594 	/* todo */
595 
596 	return 0;
597 }
598 
soc15_pcie_gen3_enable(struct amdgpu_device * adev)599 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
600 {
601 	if (pci_is_root_bus(adev->pdev->bus))
602 		return;
603 
604 	if (amdgpu_pcie_gen2 == 0)
605 		return;
606 
607 	if (adev->flags & AMD_IS_APU)
608 		return;
609 
610 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
611 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
612 		return;
613 
614 	/* todo */
615 }
616 
soc15_program_aspm(struct amdgpu_device * adev)617 static void soc15_program_aspm(struct amdgpu_device *adev)
618 {
619 
620 	if (amdgpu_aspm == 0)
621 		return;
622 
623 	/* todo */
624 }
625 
soc15_enable_doorbell_aperture(struct amdgpu_device * adev,bool enable)626 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
627 					   bool enable)
628 {
629 	adev->nbio_funcs->enable_doorbell_aperture(adev, enable);
630 	adev->nbio_funcs->enable_doorbell_selfring_aperture(adev, enable);
631 }
632 
633 static const struct amdgpu_ip_block_version vega10_common_ip_block =
634 {
635 	.type = AMD_IP_BLOCK_TYPE_COMMON,
636 	.major = 2,
637 	.minor = 0,
638 	.rev = 0,
639 	.funcs = &soc15_common_ip_funcs,
640 };
641 
soc15_get_rev_id(struct amdgpu_device * adev)642 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
643 {
644 	return adev->nbio_funcs->get_rev_id(adev);
645 }
646 
soc15_set_ip_blocks(struct amdgpu_device * adev)647 int soc15_set_ip_blocks(struct amdgpu_device *adev)
648 {
649 	/* Set IP register base before any HW register access */
650 	switch (adev->asic_type) {
651 	case CHIP_VEGA10:
652 	case CHIP_VEGA12:
653 	case CHIP_RAVEN:
654 	case CHIP_RENOIR:
655 		vega10_reg_base_init(adev);
656 		break;
657 	case CHIP_VEGA20:
658 		vega20_reg_base_init(adev);
659 		break;
660 	case CHIP_ARCTURUS:
661 		arct_reg_base_init(adev);
662 		break;
663 	default:
664 		return -EINVAL;
665 	}
666 
667 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
668 		adev->gmc.xgmi.supported = true;
669 
670 	if (adev->flags & AMD_IS_APU)
671 		adev->nbio_funcs = &nbio_v7_0_funcs;
672 	else if (adev->asic_type == CHIP_VEGA20 ||
673 		adev->asic_type == CHIP_ARCTURUS)
674 		adev->nbio_funcs = &nbio_v7_4_funcs;
675 	else
676 		adev->nbio_funcs = &nbio_v6_1_funcs;
677 
678 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
679 		adev->df_funcs = &df_v3_6_funcs;
680 	else
681 		adev->df_funcs = &df_v1_7_funcs;
682 
683 	adev->rev_id = soc15_get_rev_id(adev);
684 	adev->nbio_funcs->detect_hw_virt(adev);
685 
686 	if (amdgpu_sriov_vf(adev))
687 		adev->virt.ops = &xgpu_ai_virt_ops;
688 
689 	switch (adev->asic_type) {
690 	case CHIP_VEGA10:
691 	case CHIP_VEGA12:
692 	case CHIP_VEGA20:
693 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
694 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
695 
696 		/* For Vega10 SR-IOV, PSP need to be initialized before IH */
697 		if (amdgpu_sriov_vf(adev)) {
698 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
699 				if (adev->asic_type == CHIP_VEGA20)
700 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
701 				else
702 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
703 			}
704 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
705 		} else {
706 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
707 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
708 				if (adev->asic_type == CHIP_VEGA20)
709 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
710 				else
711 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
712 			}
713 		}
714 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
715 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
716 		if (!amdgpu_sriov_vf(adev)) {
717 			if (is_support_sw_smu(adev))
718 				amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
719 			else
720 				amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
721 		}
722 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
723 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
724 #if defined(CONFIG_DRM_AMD_DC)
725 		else if (amdgpu_device_has_dc_support(adev))
726 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
727 #endif
728 		if (!(adev->asic_type == CHIP_VEGA20 && amdgpu_sriov_vf(adev))) {
729 			amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block);
730 			amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block);
731 		}
732 		break;
733 	case CHIP_RAVEN:
734 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
735 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
736 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
737 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
738 			amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
739 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
740 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
741 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
742 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
743 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
744 #if defined(CONFIG_DRM_AMD_DC)
745 		else if (amdgpu_device_has_dc_support(adev))
746 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
747 #endif
748 		amdgpu_device_ip_block_add(adev, &vcn_v1_0_ip_block);
749 		break;
750 	case CHIP_ARCTURUS:
751 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
752 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
753 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
754 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
755 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
756 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
757 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
758 		amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
759 		amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
760 		break;
761 	case CHIP_RENOIR:
762 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
763 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
764 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
765 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
766 			amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
767 		if (is_support_sw_smu(adev))
768 			amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
769 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
770 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
771 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
772 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
773 #if defined(CONFIG_DRM_AMD_DC)
774                 else if (amdgpu_device_has_dc_support(adev))
775                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
776 #endif
777 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
778 		break;
779 	default:
780 		return -EINVAL;
781 	}
782 
783 	return 0;
784 }
785 
soc15_flush_hdp(struct amdgpu_device * adev,struct amdgpu_ring * ring)786 static void soc15_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
787 {
788 	adev->nbio_funcs->hdp_flush(adev, ring);
789 }
790 
soc15_invalidate_hdp(struct amdgpu_device * adev,struct amdgpu_ring * ring)791 static void soc15_invalidate_hdp(struct amdgpu_device *adev,
792 				 struct amdgpu_ring *ring)
793 {
794 	if (!ring || !ring->funcs->emit_wreg)
795 		WREG32_SOC15_NO_KIQ(HDP, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
796 	else
797 		amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
798 			HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
799 }
800 
soc15_need_full_reset(struct amdgpu_device * adev)801 static bool soc15_need_full_reset(struct amdgpu_device *adev)
802 {
803 	/* change this when we implement soft reset */
804 	return true;
805 }
soc15_get_pcie_usage(struct amdgpu_device * adev,uint64_t * count0,uint64_t * count1)806 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
807 				 uint64_t *count1)
808 {
809 	uint32_t perfctr = 0;
810 	uint64_t cnt0_of, cnt1_of;
811 	int tmp;
812 
813 	/* This reports 0 on APUs, so return to avoid writing/reading registers
814 	 * that may or may not be different from their GPU counterparts
815 	 */
816 	if (adev->flags & AMD_IS_APU)
817 		return;
818 
819 	/* Set the 2 events that we wish to watch, defined above */
820 	/* Reg 40 is # received msgs */
821 	/* Reg 104 is # of posted requests sent */
822 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
823 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
824 
825 	/* Write to enable desired perf counters */
826 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
827 	/* Zero out and enable the perf counters
828 	 * Write 0x5:
829 	 * Bit 0 = Start all counters(1)
830 	 * Bit 2 = Global counter reset enable(1)
831 	 */
832 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
833 
834 	msleep(1000);
835 
836 	/* Load the shadow and disable the perf counters
837 	 * Write 0x2:
838 	 * Bit 0 = Stop counters(0)
839 	 * Bit 1 = Load the shadow counters(1)
840 	 */
841 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
842 
843 	/* Read register values to get any >32bit overflow */
844 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
845 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
846 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
847 
848 	/* Get the values and add the overflow */
849 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
850 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
851 }
852 
vega20_get_pcie_usage(struct amdgpu_device * adev,uint64_t * count0,uint64_t * count1)853 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
854 				 uint64_t *count1)
855 {
856 	uint32_t perfctr = 0;
857 	uint64_t cnt0_of, cnt1_of;
858 	int tmp;
859 
860 	/* This reports 0 on APUs, so return to avoid writing/reading registers
861 	 * that may or may not be different from their GPU counterparts
862 	 */
863 	if (adev->flags & AMD_IS_APU)
864 		return;
865 
866 	/* Set the 2 events that we wish to watch, defined above */
867 	/* Reg 40 is # received msgs */
868 	/* Reg 108 is # of posted requests sent on VG20 */
869 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
870 				EVENT0_SEL, 40);
871 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
872 				EVENT1_SEL, 108);
873 
874 	/* Write to enable desired perf counters */
875 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
876 	/* Zero out and enable the perf counters
877 	 * Write 0x5:
878 	 * Bit 0 = Start all counters(1)
879 	 * Bit 2 = Global counter reset enable(1)
880 	 */
881 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
882 
883 	msleep(1000);
884 
885 	/* Load the shadow and disable the perf counters
886 	 * Write 0x2:
887 	 * Bit 0 = Stop counters(0)
888 	 * Bit 1 = Load the shadow counters(1)
889 	 */
890 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
891 
892 	/* Read register values to get any >32bit overflow */
893 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
894 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
895 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
896 
897 	/* Get the values and add the overflow */
898 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
899 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
900 }
901 
soc15_need_reset_on_init(struct amdgpu_device * adev)902 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
903 {
904 	u32 sol_reg;
905 
906 	/* Just return false for soc15 GPUs.  Reset does not seem to
907 	 * be necessary.
908 	 */
909 	if (!amdgpu_passthrough(adev))
910 		return false;
911 
912 	if (adev->flags & AMD_IS_APU)
913 		return false;
914 
915 	/* Check sOS sign of life register to confirm sys driver and sOS
916 	 * are already been loaded.
917 	 */
918 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
919 	if (sol_reg)
920 		return true;
921 
922 	return false;
923 }
924 
soc15_get_pcie_replay_count(struct amdgpu_device * adev)925 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
926 {
927 	uint64_t nak_r, nak_g;
928 
929 	/* Get the number of NAKs received and generated */
930 	nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
931 	nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
932 
933 	/* Add the total number of NAKs, i.e the number of replays */
934 	return (nak_r + nak_g);
935 }
936 
937 static const struct amdgpu_asic_funcs soc15_asic_funcs =
938 {
939 	.read_disabled_bios = &soc15_read_disabled_bios,
940 	.read_bios_from_rom = &soc15_read_bios_from_rom,
941 	.read_register = &soc15_read_register,
942 	.reset = &soc15_asic_reset,
943 	.reset_method = &soc15_asic_reset_method,
944 	.set_vga_state = &soc15_vga_set_state,
945 	.get_xclk = &soc15_get_xclk,
946 	.set_uvd_clocks = &soc15_set_uvd_clocks,
947 	.set_vce_clocks = &soc15_set_vce_clocks,
948 	.get_config_memsize = &soc15_get_config_memsize,
949 	.flush_hdp = &soc15_flush_hdp,
950 	.invalidate_hdp = &soc15_invalidate_hdp,
951 	.need_full_reset = &soc15_need_full_reset,
952 	.init_doorbell_index = &vega10_doorbell_index_init,
953 	.get_pcie_usage = &soc15_get_pcie_usage,
954 	.need_reset_on_init = &soc15_need_reset_on_init,
955 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
956 };
957 
958 static const struct amdgpu_asic_funcs vega20_asic_funcs =
959 {
960 	.read_disabled_bios = &soc15_read_disabled_bios,
961 	.read_bios_from_rom = &soc15_read_bios_from_rom,
962 	.read_register = &soc15_read_register,
963 	.reset = &soc15_asic_reset,
964 	.set_vga_state = &soc15_vga_set_state,
965 	.get_xclk = &soc15_get_xclk,
966 	.set_uvd_clocks = &soc15_set_uvd_clocks,
967 	.set_vce_clocks = &soc15_set_vce_clocks,
968 	.get_config_memsize = &soc15_get_config_memsize,
969 	.flush_hdp = &soc15_flush_hdp,
970 	.invalidate_hdp = &soc15_invalidate_hdp,
971 	.need_full_reset = &soc15_need_full_reset,
972 	.init_doorbell_index = &vega20_doorbell_index_init,
973 	.get_pcie_usage = &vega20_get_pcie_usage,
974 	.need_reset_on_init = &soc15_need_reset_on_init,
975 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
976 	.reset_method = &soc15_asic_reset_method
977 };
978 
soc15_common_early_init(void * handle)979 static int soc15_common_early_init(void *handle)
980 {
981 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
982 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
983 
984 	adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
985 	adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
986 	adev->smc_rreg = NULL;
987 	adev->smc_wreg = NULL;
988 	adev->pcie_rreg = &soc15_pcie_rreg;
989 	adev->pcie_wreg = &soc15_pcie_wreg;
990 	adev->pcie_rreg64 = &soc15_pcie_rreg64;
991 	adev->pcie_wreg64 = &soc15_pcie_wreg64;
992 	adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
993 	adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
994 	adev->didt_rreg = &soc15_didt_rreg;
995 	adev->didt_wreg = &soc15_didt_wreg;
996 	adev->gc_cac_rreg = &soc15_gc_cac_rreg;
997 	adev->gc_cac_wreg = &soc15_gc_cac_wreg;
998 	adev->se_cac_rreg = &soc15_se_cac_rreg;
999 	adev->se_cac_wreg = &soc15_se_cac_wreg;
1000 
1001 
1002 	adev->external_rev_id = 0xFF;
1003 	switch (adev->asic_type) {
1004 	case CHIP_VEGA10:
1005 		adev->asic_funcs = &soc15_asic_funcs;
1006 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1007 			AMD_CG_SUPPORT_GFX_MGLS |
1008 			AMD_CG_SUPPORT_GFX_RLC_LS |
1009 			AMD_CG_SUPPORT_GFX_CP_LS |
1010 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1011 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1012 			AMD_CG_SUPPORT_GFX_CGCG |
1013 			AMD_CG_SUPPORT_GFX_CGLS |
1014 			AMD_CG_SUPPORT_BIF_MGCG |
1015 			AMD_CG_SUPPORT_BIF_LS |
1016 			AMD_CG_SUPPORT_HDP_LS |
1017 			AMD_CG_SUPPORT_DRM_MGCG |
1018 			AMD_CG_SUPPORT_DRM_LS |
1019 			AMD_CG_SUPPORT_ROM_MGCG |
1020 			AMD_CG_SUPPORT_DF_MGCG |
1021 			AMD_CG_SUPPORT_SDMA_MGCG |
1022 			AMD_CG_SUPPORT_SDMA_LS |
1023 			AMD_CG_SUPPORT_MC_MGCG |
1024 			AMD_CG_SUPPORT_MC_LS;
1025 		adev->pg_flags = 0;
1026 		adev->external_rev_id = 0x1;
1027 		break;
1028 	case CHIP_VEGA12:
1029 		adev->asic_funcs = &soc15_asic_funcs;
1030 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1031 			AMD_CG_SUPPORT_GFX_MGLS |
1032 			AMD_CG_SUPPORT_GFX_CGCG |
1033 			AMD_CG_SUPPORT_GFX_CGLS |
1034 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1035 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1036 			AMD_CG_SUPPORT_GFX_CP_LS |
1037 			AMD_CG_SUPPORT_MC_LS |
1038 			AMD_CG_SUPPORT_MC_MGCG |
1039 			AMD_CG_SUPPORT_SDMA_MGCG |
1040 			AMD_CG_SUPPORT_SDMA_LS |
1041 			AMD_CG_SUPPORT_BIF_MGCG |
1042 			AMD_CG_SUPPORT_BIF_LS |
1043 			AMD_CG_SUPPORT_HDP_MGCG |
1044 			AMD_CG_SUPPORT_HDP_LS |
1045 			AMD_CG_SUPPORT_ROM_MGCG |
1046 			AMD_CG_SUPPORT_VCE_MGCG |
1047 			AMD_CG_SUPPORT_UVD_MGCG;
1048 		adev->pg_flags = 0;
1049 		adev->external_rev_id = adev->rev_id + 0x14;
1050 		break;
1051 	case CHIP_VEGA20:
1052 		adev->asic_funcs = &vega20_asic_funcs;
1053 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1054 			AMD_CG_SUPPORT_GFX_MGLS |
1055 			AMD_CG_SUPPORT_GFX_CGCG |
1056 			AMD_CG_SUPPORT_GFX_CGLS |
1057 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1058 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1059 			AMD_CG_SUPPORT_GFX_CP_LS |
1060 			AMD_CG_SUPPORT_MC_LS |
1061 			AMD_CG_SUPPORT_MC_MGCG |
1062 			AMD_CG_SUPPORT_SDMA_MGCG |
1063 			AMD_CG_SUPPORT_SDMA_LS |
1064 			AMD_CG_SUPPORT_BIF_MGCG |
1065 			AMD_CG_SUPPORT_BIF_LS |
1066 			AMD_CG_SUPPORT_HDP_MGCG |
1067 			AMD_CG_SUPPORT_HDP_LS |
1068 			AMD_CG_SUPPORT_ROM_MGCG |
1069 			AMD_CG_SUPPORT_VCE_MGCG |
1070 			AMD_CG_SUPPORT_UVD_MGCG;
1071 		adev->pg_flags = 0;
1072 		adev->external_rev_id = adev->rev_id + 0x28;
1073 		break;
1074 	case CHIP_RAVEN:
1075 		adev->asic_funcs = &soc15_asic_funcs;
1076 		if (adev->rev_id >= 0x8)
1077 			adev->external_rev_id = adev->rev_id + 0x79;
1078 		else if (adev->pdev->device == 0x15d8)
1079 			adev->external_rev_id = adev->rev_id + 0x41;
1080 		else if (adev->rev_id == 1)
1081 			adev->external_rev_id = adev->rev_id + 0x20;
1082 		else
1083 			adev->external_rev_id = adev->rev_id + 0x01;
1084 
1085 		if (adev->rev_id >= 0x8) {
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_GFX_3D_CGCG |
1090 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1091 				AMD_CG_SUPPORT_GFX_CGCG |
1092 				AMD_CG_SUPPORT_GFX_CGLS |
1093 				AMD_CG_SUPPORT_BIF_LS |
1094 				AMD_CG_SUPPORT_HDP_LS |
1095 				AMD_CG_SUPPORT_ROM_MGCG |
1096 				AMD_CG_SUPPORT_MC_MGCG |
1097 				AMD_CG_SUPPORT_MC_LS |
1098 				AMD_CG_SUPPORT_SDMA_MGCG |
1099 				AMD_CG_SUPPORT_SDMA_LS |
1100 				AMD_CG_SUPPORT_VCN_MGCG;
1101 
1102 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1103 		} else if (adev->pdev->device == 0x15d8) {
1104 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1105 				AMD_CG_SUPPORT_GFX_MGLS |
1106 				AMD_CG_SUPPORT_GFX_CP_LS |
1107 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1108 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1109 				AMD_CG_SUPPORT_GFX_CGCG |
1110 				AMD_CG_SUPPORT_GFX_CGLS |
1111 				AMD_CG_SUPPORT_BIF_LS |
1112 				AMD_CG_SUPPORT_HDP_LS |
1113 				AMD_CG_SUPPORT_ROM_MGCG |
1114 				AMD_CG_SUPPORT_MC_MGCG |
1115 				AMD_CG_SUPPORT_MC_LS |
1116 				AMD_CG_SUPPORT_SDMA_MGCG |
1117 				AMD_CG_SUPPORT_SDMA_LS;
1118 
1119 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1120 				AMD_PG_SUPPORT_MMHUB |
1121 				AMD_PG_SUPPORT_VCN |
1122 				AMD_PG_SUPPORT_VCN_DPG;
1123 		} else {
1124 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1125 				AMD_CG_SUPPORT_GFX_MGLS |
1126 				AMD_CG_SUPPORT_GFX_RLC_LS |
1127 				AMD_CG_SUPPORT_GFX_CP_LS |
1128 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1129 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1130 				AMD_CG_SUPPORT_GFX_CGCG |
1131 				AMD_CG_SUPPORT_GFX_CGLS |
1132 				AMD_CG_SUPPORT_BIF_MGCG |
1133 				AMD_CG_SUPPORT_BIF_LS |
1134 				AMD_CG_SUPPORT_HDP_MGCG |
1135 				AMD_CG_SUPPORT_HDP_LS |
1136 				AMD_CG_SUPPORT_DRM_MGCG |
1137 				AMD_CG_SUPPORT_DRM_LS |
1138 				AMD_CG_SUPPORT_ROM_MGCG |
1139 				AMD_CG_SUPPORT_MC_MGCG |
1140 				AMD_CG_SUPPORT_MC_LS |
1141 				AMD_CG_SUPPORT_SDMA_MGCG |
1142 				AMD_CG_SUPPORT_SDMA_LS |
1143 				AMD_CG_SUPPORT_VCN_MGCG;
1144 
1145 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1146 		}
1147 		break;
1148 	case CHIP_ARCTURUS:
1149 		adev->asic_funcs = &vega20_asic_funcs;
1150 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1151 			AMD_CG_SUPPORT_GFX_MGLS |
1152 			AMD_CG_SUPPORT_GFX_CGCG |
1153 			AMD_CG_SUPPORT_GFX_CGLS |
1154 			AMD_CG_SUPPORT_GFX_CP_LS |
1155 			AMD_CG_SUPPORT_HDP_MGCG |
1156 			AMD_CG_SUPPORT_HDP_LS |
1157 			AMD_CG_SUPPORT_SDMA_MGCG |
1158 			AMD_CG_SUPPORT_SDMA_LS |
1159 			AMD_CG_SUPPORT_MC_MGCG |
1160 			AMD_CG_SUPPORT_MC_LS;
1161 		adev->pg_flags = 0;
1162 		adev->external_rev_id = adev->rev_id + 0x32;
1163 		break;
1164 	case CHIP_RENOIR:
1165 		adev->asic_funcs = &soc15_asic_funcs;
1166 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1167 				 AMD_CG_SUPPORT_GFX_MGLS |
1168 				 AMD_CG_SUPPORT_GFX_3D_CGCG |
1169 				 AMD_CG_SUPPORT_GFX_3D_CGLS |
1170 				 AMD_CG_SUPPORT_GFX_CGCG |
1171 				 AMD_CG_SUPPORT_GFX_CGLS |
1172 				 AMD_CG_SUPPORT_GFX_CP_LS |
1173 				 AMD_CG_SUPPORT_MC_MGCG |
1174 				 AMD_CG_SUPPORT_MC_LS |
1175 				 AMD_CG_SUPPORT_SDMA_MGCG |
1176 				 AMD_CG_SUPPORT_SDMA_LS |
1177 				 AMD_CG_SUPPORT_BIF_LS |
1178 				 AMD_CG_SUPPORT_HDP_LS |
1179 				 AMD_CG_SUPPORT_ROM_MGCG |
1180 				 AMD_CG_SUPPORT_VCN_MGCG |
1181 				 AMD_CG_SUPPORT_IH_CG |
1182 				 AMD_CG_SUPPORT_ATHUB_LS |
1183 				 AMD_CG_SUPPORT_ATHUB_MGCG |
1184 				 AMD_CG_SUPPORT_DF_MGCG;
1185 		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1186 				 AMD_PG_SUPPORT_VCN |
1187 				 AMD_PG_SUPPORT_VCN_DPG;
1188 		adev->external_rev_id = adev->rev_id + 0x91;
1189 		break;
1190 	default:
1191 		/* FIXME: not supported yet */
1192 		return -EINVAL;
1193 	}
1194 
1195 	if (amdgpu_sriov_vf(adev)) {
1196 		amdgpu_virt_init_setting(adev);
1197 		xgpu_ai_mailbox_set_irq_funcs(adev);
1198 	}
1199 
1200 	return 0;
1201 }
1202 
soc15_common_late_init(void * handle)1203 static int soc15_common_late_init(void *handle)
1204 {
1205 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1206 
1207 	if (amdgpu_sriov_vf(adev))
1208 		xgpu_ai_mailbox_get_irq(adev);
1209 
1210 	return 0;
1211 }
1212 
soc15_common_sw_init(void * handle)1213 static int soc15_common_sw_init(void *handle)
1214 {
1215 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1216 
1217 	if (amdgpu_sriov_vf(adev))
1218 		xgpu_ai_mailbox_add_irq_id(adev);
1219 
1220 	adev->df_funcs->sw_init(adev);
1221 
1222 	return 0;
1223 }
1224 
soc15_common_sw_fini(void * handle)1225 static int soc15_common_sw_fini(void *handle)
1226 {
1227 	return 0;
1228 }
1229 
soc15_doorbell_range_init(struct amdgpu_device * adev)1230 static void soc15_doorbell_range_init(struct amdgpu_device *adev)
1231 {
1232 	int i;
1233 	struct amdgpu_ring *ring;
1234 
1235 	/* sdma/ih doorbell range are programed by hypervisor */
1236 	if (!amdgpu_sriov_vf(adev)) {
1237 		for (i = 0; i < adev->sdma.num_instances; i++) {
1238 			ring = &adev->sdma.instance[i].ring;
1239 			adev->nbio_funcs->sdma_doorbell_range(adev, i,
1240 				ring->use_doorbell, ring->doorbell_index,
1241 				adev->doorbell_index.sdma_doorbell_range);
1242 		}
1243 
1244 		adev->nbio_funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
1245 						adev->irq.ih.doorbell_index);
1246 	}
1247 }
1248 
soc15_common_hw_init(void * handle)1249 static int soc15_common_hw_init(void *handle)
1250 {
1251 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1252 
1253 	/* enable pcie gen2/3 link */
1254 	soc15_pcie_gen3_enable(adev);
1255 	/* enable aspm */
1256 	soc15_program_aspm(adev);
1257 	/* setup nbio registers */
1258 	adev->nbio_funcs->init_registers(adev);
1259 	/* remap HDP registers to a hole in mmio space,
1260 	 * for the purpose of expose those registers
1261 	 * to process space
1262 	 */
1263 	if (adev->nbio_funcs->remap_hdp_registers)
1264 		adev->nbio_funcs->remap_hdp_registers(adev);
1265 
1266 	/* enable the doorbell aperture */
1267 	soc15_enable_doorbell_aperture(adev, true);
1268 	/* HW doorbell routing policy: doorbell writing not
1269 	 * in SDMA/IH/MM/ACV range will be routed to CP. So
1270 	 * we need to init SDMA/IH/MM/ACV doorbell range prior
1271 	 * to CP ip block init and ring test.
1272 	 */
1273 	soc15_doorbell_range_init(adev);
1274 
1275 	return 0;
1276 }
1277 
soc15_common_hw_fini(void * handle)1278 static int soc15_common_hw_fini(void *handle)
1279 {
1280 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1281 
1282 	/* disable the doorbell aperture */
1283 	soc15_enable_doorbell_aperture(adev, false);
1284 	if (amdgpu_sriov_vf(adev))
1285 		xgpu_ai_mailbox_put_irq(adev);
1286 
1287 	return 0;
1288 }
1289 
soc15_common_suspend(void * handle)1290 static int soc15_common_suspend(void *handle)
1291 {
1292 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1293 
1294 	return soc15_common_hw_fini(adev);
1295 }
1296 
soc15_common_resume(void * handle)1297 static int soc15_common_resume(void *handle)
1298 {
1299 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1300 
1301 	return soc15_common_hw_init(adev);
1302 }
1303 
soc15_common_is_idle(void * handle)1304 static bool soc15_common_is_idle(void *handle)
1305 {
1306 	return true;
1307 }
1308 
soc15_common_wait_for_idle(void * handle)1309 static int soc15_common_wait_for_idle(void *handle)
1310 {
1311 	return 0;
1312 }
1313 
soc15_common_soft_reset(void * handle)1314 static int soc15_common_soft_reset(void *handle)
1315 {
1316 	return 0;
1317 }
1318 
soc15_update_hdp_light_sleep(struct amdgpu_device * adev,bool enable)1319 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
1320 {
1321 	uint32_t def, data;
1322 
1323 	if (adev->asic_type == CHIP_VEGA20 ||
1324 		adev->asic_type == CHIP_ARCTURUS) {
1325 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
1326 
1327 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1328 			data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1329 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1330 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1331 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
1332 		else
1333 			data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1334 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1335 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1336 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
1337 
1338 		if (def != data)
1339 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
1340 	} else {
1341 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1342 
1343 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1344 			data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1345 		else
1346 			data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1347 
1348 		if (def != data)
1349 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
1350 	}
1351 }
1352 
soc15_update_drm_clock_gating(struct amdgpu_device * adev,bool enable)1353 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1354 {
1355 	uint32_t def, data;
1356 
1357 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1358 
1359 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1360 		data &= ~(0x01000000 |
1361 			  0x02000000 |
1362 			  0x04000000 |
1363 			  0x08000000 |
1364 			  0x10000000 |
1365 			  0x20000000 |
1366 			  0x40000000 |
1367 			  0x80000000);
1368 	else
1369 		data |= (0x01000000 |
1370 			 0x02000000 |
1371 			 0x04000000 |
1372 			 0x08000000 |
1373 			 0x10000000 |
1374 			 0x20000000 |
1375 			 0x40000000 |
1376 			 0x80000000);
1377 
1378 	if (def != data)
1379 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1380 }
1381 
soc15_update_drm_light_sleep(struct amdgpu_device * adev,bool enable)1382 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1383 {
1384 	uint32_t def, data;
1385 
1386 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1387 
1388 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1389 		data |= 1;
1390 	else
1391 		data &= ~1;
1392 
1393 	if (def != data)
1394 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1395 }
1396 
soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device * adev,bool enable)1397 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1398 						       bool enable)
1399 {
1400 	uint32_t def, data;
1401 
1402 	def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1403 
1404 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1405 		data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1406 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1407 	else
1408 		data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1409 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1410 
1411 	if (def != data)
1412 		WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
1413 }
1414 
soc15_common_set_clockgating_state(void * handle,enum amd_clockgating_state state)1415 static int soc15_common_set_clockgating_state(void *handle,
1416 					    enum amd_clockgating_state state)
1417 {
1418 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1419 
1420 	if (amdgpu_sriov_vf(adev))
1421 		return 0;
1422 
1423 	switch (adev->asic_type) {
1424 	case CHIP_VEGA10:
1425 	case CHIP_VEGA12:
1426 	case CHIP_VEGA20:
1427 		adev->nbio_funcs->update_medium_grain_clock_gating(adev,
1428 				state == AMD_CG_STATE_GATE ? true : false);
1429 		adev->nbio_funcs->update_medium_grain_light_sleep(adev,
1430 				state == AMD_CG_STATE_GATE ? true : false);
1431 		soc15_update_hdp_light_sleep(adev,
1432 				state == AMD_CG_STATE_GATE ? true : false);
1433 		soc15_update_drm_clock_gating(adev,
1434 				state == AMD_CG_STATE_GATE ? true : false);
1435 		soc15_update_drm_light_sleep(adev,
1436 				state == AMD_CG_STATE_GATE ? true : false);
1437 		soc15_update_rom_medium_grain_clock_gating(adev,
1438 				state == AMD_CG_STATE_GATE ? true : false);
1439 		adev->df_funcs->update_medium_grain_clock_gating(adev,
1440 				state == AMD_CG_STATE_GATE ? true : false);
1441 		break;
1442 	case CHIP_RAVEN:
1443 	case CHIP_RENOIR:
1444 		adev->nbio_funcs->update_medium_grain_clock_gating(adev,
1445 				state == AMD_CG_STATE_GATE ? true : false);
1446 		adev->nbio_funcs->update_medium_grain_light_sleep(adev,
1447 				state == AMD_CG_STATE_GATE ? true : false);
1448 		soc15_update_hdp_light_sleep(adev,
1449 				state == AMD_CG_STATE_GATE ? true : false);
1450 		soc15_update_drm_clock_gating(adev,
1451 				state == AMD_CG_STATE_GATE ? true : false);
1452 		soc15_update_drm_light_sleep(adev,
1453 				state == AMD_CG_STATE_GATE ? true : false);
1454 		soc15_update_rom_medium_grain_clock_gating(adev,
1455 				state == AMD_CG_STATE_GATE ? true : false);
1456 		break;
1457 	case CHIP_ARCTURUS:
1458 		soc15_update_hdp_light_sleep(adev,
1459 				state == AMD_CG_STATE_GATE ? true : false);
1460 		break;
1461 	default:
1462 		break;
1463 	}
1464 	return 0;
1465 }
1466 
soc15_common_get_clockgating_state(void * handle,u32 * flags)1467 static void soc15_common_get_clockgating_state(void *handle, u32 *flags)
1468 {
1469 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1470 	int data;
1471 
1472 	if (amdgpu_sriov_vf(adev))
1473 		*flags = 0;
1474 
1475 	adev->nbio_funcs->get_clockgating_state(adev, flags);
1476 
1477 	/* AMD_CG_SUPPORT_HDP_LS */
1478 	data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1479 	if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
1480 		*flags |= AMD_CG_SUPPORT_HDP_LS;
1481 
1482 	/* AMD_CG_SUPPORT_DRM_MGCG */
1483 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1484 	if (!(data & 0x01000000))
1485 		*flags |= AMD_CG_SUPPORT_DRM_MGCG;
1486 
1487 	/* AMD_CG_SUPPORT_DRM_LS */
1488 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1489 	if (data & 0x1)
1490 		*flags |= AMD_CG_SUPPORT_DRM_LS;
1491 
1492 	/* AMD_CG_SUPPORT_ROM_MGCG */
1493 	data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1494 	if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
1495 		*flags |= AMD_CG_SUPPORT_ROM_MGCG;
1496 
1497 	adev->df_funcs->get_clockgating_state(adev, flags);
1498 }
1499 
soc15_common_set_powergating_state(void * handle,enum amd_powergating_state state)1500 static int soc15_common_set_powergating_state(void *handle,
1501 					    enum amd_powergating_state state)
1502 {
1503 	/* todo */
1504 	return 0;
1505 }
1506 
1507 const struct amd_ip_funcs soc15_common_ip_funcs = {
1508 	.name = "soc15_common",
1509 	.early_init = soc15_common_early_init,
1510 	.late_init = soc15_common_late_init,
1511 	.sw_init = soc15_common_sw_init,
1512 	.sw_fini = soc15_common_sw_fini,
1513 	.hw_init = soc15_common_hw_init,
1514 	.hw_fini = soc15_common_hw_fini,
1515 	.suspend = soc15_common_suspend,
1516 	.resume = soc15_common_resume,
1517 	.is_idle = soc15_common_is_idle,
1518 	.wait_for_idle = soc15_common_wait_for_idle,
1519 	.soft_reset = soc15_common_soft_reset,
1520 	.set_clockgating_state = soc15_common_set_clockgating_state,
1521 	.set_powergating_state = soc15_common_set_powergating_state,
1522 	.get_clockgating_state= soc15_common_get_clockgating_state,
1523 };
1524