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amdgpu_soc15.c revision 1.1.1.1
      1 /*	$NetBSD: amdgpu_soc15.c,v 1.1.1.1 2021/12/18 20:11:11 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2016 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  */
     25 #include <sys/cdefs.h>
     26 __KERNEL_RCSID(0, "$NetBSD: amdgpu_soc15.c,v 1.1.1.1 2021/12/18 20:11:11 riastradh Exp $");
     27 
     28 #include <linux/firmware.h>
     29 #include <linux/slab.h>
     30 #include <linux/module.h>
     31 #include <linux/pci.h>
     32 
     33 #include "amdgpu.h"
     34 #include "amdgpu_atombios.h"
     35 #include "amdgpu_ih.h"
     36 #include "amdgpu_uvd.h"
     37 #include "amdgpu_vce.h"
     38 #include "amdgpu_ucode.h"
     39 #include "amdgpu_psp.h"
     40 #include "atom.h"
     41 #include "amd_pcie.h"
     42 
     43 #include "uvd/uvd_7_0_offset.h"
     44 #include "gc/gc_9_0_offset.h"
     45 #include "gc/gc_9_0_sh_mask.h"
     46 #include "sdma0/sdma0_4_0_offset.h"
     47 #include "sdma1/sdma1_4_0_offset.h"
     48 #include "hdp/hdp_4_0_offset.h"
     49 #include "hdp/hdp_4_0_sh_mask.h"
     50 #include "smuio/smuio_9_0_offset.h"
     51 #include "smuio/smuio_9_0_sh_mask.h"
     52 #include "nbio/nbio_7_0_default.h"
     53 #include "nbio/nbio_7_0_offset.h"
     54 #include "nbio/nbio_7_0_sh_mask.h"
     55 #include "nbio/nbio_7_0_smn.h"
     56 #include "mp/mp_9_0_offset.h"
     57 
     58 #include "soc15.h"
     59 #include "soc15_common.h"
     60 #include "gfx_v9_0.h"
     61 #include "gmc_v9_0.h"
     62 #include "gfxhub_v1_0.h"
     63 #include "mmhub_v1_0.h"
     64 #include "df_v1_7.h"
     65 #include "df_v3_6.h"
     66 #include "nbio_v6_1.h"
     67 #include "nbio_v7_0.h"
     68 #include "nbio_v7_4.h"
     69 #include "vega10_ih.h"
     70 #include "sdma_v4_0.h"
     71 #include "uvd_v7_0.h"
     72 #include "vce_v4_0.h"
     73 #include "vcn_v1_0.h"
     74 #include "vcn_v2_0.h"
     75 #include "jpeg_v2_0.h"
     76 #include "vcn_v2_5.h"
     77 #include "jpeg_v2_5.h"
     78 #include "dce_virtual.h"
     79 #include "mxgpu_ai.h"
     80 #include "amdgpu_smu.h"
     81 #include "amdgpu_ras.h"
     82 #include "amdgpu_xgmi.h"
     83 #include <uapi/linux/kfd_ioctl.h>
     84 
     85 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
     86 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
     87 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
     88 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
     89 
     90 /* for Vega20 register name change */
     91 #define mmHDP_MEM_POWER_CTRL	0x00d4
     92 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK	0x00000001L
     93 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK	0x00000002L
     94 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK	0x00010000L
     95 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK		0x00020000L
     96 #define mmHDP_MEM_POWER_CTRL_BASE_IDX	0
     97 /*
     98  * Indirect registers accessor
     99  */
    100 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
    101 {
    102 	unsigned long flags, address, data;
    103 	u32 r;
    104 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
    105 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
    106 
    107 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
    108 	WREG32(address, reg);
    109 	(void)RREG32(address);
    110 	r = RREG32(data);
    111 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
    112 	return r;
    113 }
    114 
    115 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
    116 {
    117 	unsigned long flags, address, data;
    118 
    119 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
    120 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
    121 
    122 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
    123 	WREG32(address, reg);
    124 	(void)RREG32(address);
    125 	WREG32(data, v);
    126 	(void)RREG32(data);
    127 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
    128 }
    129 
    130 static u64 soc15_pcie_rreg64(struct amdgpu_device *adev, u32 reg)
    131 {
    132 	unsigned long flags, address, data;
    133 	u64 r;
    134 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
    135 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
    136 
    137 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
    138 	/* read low 32 bit */
    139 	WREG32(address, reg);
    140 	(void)RREG32(address);
    141 	r = RREG32(data);
    142 
    143 	/* read high 32 bit*/
    144 	WREG32(address, reg + 4);
    145 	(void)RREG32(address);
    146 	r |= ((u64)RREG32(data) << 32);
    147 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
    148 	return r;
    149 }
    150 
    151 static void soc15_pcie_wreg64(struct amdgpu_device *adev, u32 reg, u64 v)
    152 {
    153 	unsigned long flags, address, data;
    154 
    155 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
    156 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
    157 
    158 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
    159 	/* write low 32 bit */
    160 	WREG32(address, reg);
    161 	(void)RREG32(address);
    162 	WREG32(data, (u32)(v & 0xffffffffULL));
    163 	(void)RREG32(data);
    164 
    165 	/* write high 32 bit */
    166 	WREG32(address, reg + 4);
    167 	(void)RREG32(address);
    168 	WREG32(data, (u32)(v >> 32));
    169 	(void)RREG32(data);
    170 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
    171 }
    172 
    173 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
    174 {
    175 	unsigned long flags, address, data;
    176 	u32 r;
    177 
    178 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
    179 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
    180 
    181 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
    182 	WREG32(address, ((reg) & 0x1ff));
    183 	r = RREG32(data);
    184 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
    185 	return r;
    186 }
    187 
    188 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
    189 {
    190 	unsigned long flags, address, data;
    191 
    192 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
    193 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
    194 
    195 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
    196 	WREG32(address, ((reg) & 0x1ff));
    197 	WREG32(data, (v));
    198 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
    199 }
    200 
    201 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
    202 {
    203 	unsigned long flags, address, data;
    204 	u32 r;
    205 
    206 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
    207 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
    208 
    209 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
    210 	WREG32(address, (reg));
    211 	r = RREG32(data);
    212 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
    213 	return r;
    214 }
    215 
    216 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
    217 {
    218 	unsigned long flags, address, data;
    219 
    220 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
    221 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
    222 
    223 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
    224 	WREG32(address, (reg));
    225 	WREG32(data, (v));
    226 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
    227 }
    228 
    229 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
    230 {
    231 	unsigned long flags;
    232 	u32 r;
    233 
    234 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
    235 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
    236 	r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
    237 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
    238 	return r;
    239 }
    240 
    241 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
    242 {
    243 	unsigned long flags;
    244 
    245 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
    246 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
    247 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
    248 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
    249 }
    250 
    251 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
    252 {
    253 	unsigned long flags;
    254 	u32 r;
    255 
    256 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
    257 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
    258 	r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
    259 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
    260 	return r;
    261 }
    262 
    263 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
    264 {
    265 	unsigned long flags;
    266 
    267 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
    268 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
    269 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
    270 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
    271 }
    272 
    273 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
    274 {
    275 	return adev->nbio.funcs->get_memsize(adev);
    276 }
    277 
    278 static u32 soc15_get_xclk(struct amdgpu_device *adev)
    279 {
    280 	u32 reference_clock = adev->clock.spll.reference_freq;
    281 
    282 	if (adev->asic_type == CHIP_RAVEN)
    283 		return reference_clock / 4;
    284 
    285 	return reference_clock;
    286 }
    287 
    288 
    289 void soc15_grbm_select(struct amdgpu_device *adev,
    290 		     u32 me, u32 pipe, u32 queue, u32 vmid)
    291 {
    292 	u32 grbm_gfx_cntl = 0;
    293 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
    294 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
    295 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
    296 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
    297 
    298 	WREG32_SOC15_RLC_SHADOW(GC, 0, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
    299 }
    300 
    301 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
    302 {
    303 	/* todo */
    304 }
    305 
    306 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
    307 {
    308 	/* todo */
    309 	return false;
    310 }
    311 
    312 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
    313 				     u8 *bios, u32 length_bytes)
    314 {
    315 	u32 *dw_ptr;
    316 	u32 i, length_dw;
    317 
    318 	if (bios == NULL)
    319 		return false;
    320 	if (length_bytes == 0)
    321 		return false;
    322 	/* APU vbios image is part of sbios image */
    323 	if (adev->flags & AMD_IS_APU)
    324 		return false;
    325 
    326 	dw_ptr = (u32 *)bios;
    327 	length_dw = ALIGN(length_bytes, 4) / 4;
    328 
    329 	/* set rom index to 0 */
    330 	WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
    331 	/* read out the rom data */
    332 	for (i = 0; i < length_dw; i++)
    333 		dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
    334 
    335 	return true;
    336 }
    337 
    338 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
    339 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
    340 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
    341 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
    342 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
    343 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
    344 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
    345 	{ SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
    346 	{ SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
    347 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
    348 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
    349 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
    350 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
    351 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
    352 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
    353 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
    354 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
    355 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
    356 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
    357 	{ SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
    358 	{ SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
    359 };
    360 
    361 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
    362 					 u32 sh_num, u32 reg_offset)
    363 {
    364 	uint32_t val;
    365 
    366 	mutex_lock(&adev->grbm_idx_mutex);
    367 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
    368 		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
    369 
    370 	val = RREG32(reg_offset);
    371 
    372 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
    373 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
    374 	mutex_unlock(&adev->grbm_idx_mutex);
    375 	return val;
    376 }
    377 
    378 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
    379 					 bool indexed, u32 se_num,
    380 					 u32 sh_num, u32 reg_offset)
    381 {
    382 	if (indexed) {
    383 		return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
    384 	} else {
    385 		if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
    386 			return adev->gfx.config.gb_addr_config;
    387 		else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
    388 			return adev->gfx.config.db_debug2;
    389 		return RREG32(reg_offset);
    390 	}
    391 }
    392 
    393 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
    394 			    u32 sh_num, u32 reg_offset, u32 *value)
    395 {
    396 	uint32_t i;
    397 	struct soc15_allowed_register_entry  *en;
    398 
    399 	*value = 0;
    400 	for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
    401 		en = &soc15_allowed_read_registers[i];
    402 		if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
    403 					+ en->reg_offset))
    404 			continue;
    405 
    406 		*value = soc15_get_register_value(adev,
    407 						  soc15_allowed_read_registers[i].grbm_indexed,
    408 						  se_num, sh_num, reg_offset);
    409 		return 0;
    410 	}
    411 	return -EINVAL;
    412 }
    413 
    414 
    415 /**
    416  * soc15_program_register_sequence - program an array of registers.
    417  *
    418  * @adev: amdgpu_device pointer
    419  * @regs: pointer to the register array
    420  * @array_size: size of the register array
    421  *
    422  * Programs an array or registers with and and or masks.
    423  * This is a helper for setting golden registers.
    424  */
    425 
    426 void soc15_program_register_sequence(struct amdgpu_device *adev,
    427 					     const struct soc15_reg_golden *regs,
    428 					     const u32 array_size)
    429 {
    430 	const struct soc15_reg_golden *entry;
    431 	u32 tmp, reg;
    432 	int i;
    433 
    434 	for (i = 0; i < array_size; ++i) {
    435 		entry = &regs[i];
    436 		reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
    437 
    438 		if (entry->and_mask == 0xffffffff) {
    439 			tmp = entry->or_mask;
    440 		} else {
    441 			tmp = RREG32(reg);
    442 			tmp &= ~(entry->and_mask);
    443 			tmp |= (entry->or_mask & entry->and_mask);
    444 		}
    445 
    446 		if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
    447 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
    448 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
    449 			reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
    450 			WREG32_RLC(reg, tmp);
    451 		else
    452 			WREG32(reg, tmp);
    453 
    454 	}
    455 
    456 }
    457 
    458 static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
    459 {
    460 	u32 i;
    461 	int ret = 0;
    462 
    463 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
    464 
    465 	dev_info(adev->dev, "GPU mode1 reset\n");
    466 
    467 	/* disable BM */
    468 	pci_clear_master(adev->pdev);
    469 
    470 	pci_save_state(adev->pdev);
    471 
    472 	ret = psp_gpu_reset(adev);
    473 	if (ret)
    474 		dev_err(adev->dev, "GPU mode1 reset failed\n");
    475 
    476 	pci_restore_state(adev->pdev);
    477 
    478 	/* wait for asic to come out of reset */
    479 	for (i = 0; i < adev->usec_timeout; i++) {
    480 		u32 memsize = adev->nbio.funcs->get_memsize(adev);
    481 
    482 		if (memsize != 0xffffffff)
    483 			break;
    484 		udelay(1);
    485 	}
    486 
    487 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
    488 
    489 	return ret;
    490 }
    491 
    492 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
    493 {
    494 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
    495 	int ret = 0;
    496 
    497 	/* avoid NBIF got stuck when do RAS recovery in BACO reset */
    498 	if (ras && ras->supported)
    499 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
    500 
    501 	ret = amdgpu_dpm_baco_reset(adev);
    502 	if (ret)
    503 		return ret;
    504 
    505 	/* re-enable doorbell interrupt after BACO exit */
    506 	if (ras && ras->supported)
    507 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
    508 
    509 	return 0;
    510 }
    511 
    512 static enum amd_reset_method
    513 soc15_asic_reset_method(struct amdgpu_device *adev)
    514 {
    515 	bool baco_reset = false;
    516 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
    517 
    518 	switch (adev->asic_type) {
    519 	case CHIP_RAVEN:
    520 	case CHIP_RENOIR:
    521 		return AMD_RESET_METHOD_MODE2;
    522 	case CHIP_VEGA10:
    523 	case CHIP_VEGA12:
    524 	case CHIP_ARCTURUS:
    525 		baco_reset = amdgpu_dpm_is_baco_supported(adev);
    526 		break;
    527 	case CHIP_VEGA20:
    528 		if (adev->psp.sos_fw_version >= 0x80067)
    529 			baco_reset = amdgpu_dpm_is_baco_supported(adev);
    530 
    531 		/*
    532 		 * 1. PMFW version > 0x284300: all cases use baco
    533 		 * 2. PMFW version <= 0x284300: only sGPU w/o RAS use baco
    534 		 */
    535 		if ((ras && ras->supported) && adev->pm.fw_version <= 0x283400)
    536 			baco_reset = false;
    537 		break;
    538 	default:
    539 		break;
    540 	}
    541 
    542 	if (baco_reset)
    543 		return AMD_RESET_METHOD_BACO;
    544 	else
    545 		return AMD_RESET_METHOD_MODE1;
    546 }
    547 
    548 static int soc15_asic_reset(struct amdgpu_device *adev)
    549 {
    550 	/* original raven doesn't have full asic reset */
    551 	if (adev->pdev->device == 0x15dd && adev->rev_id < 0x8)
    552 		return 0;
    553 
    554 	switch (soc15_asic_reset_method(adev)) {
    555 		case AMD_RESET_METHOD_BACO:
    556 			if (!adev->in_suspend)
    557 				amdgpu_inc_vram_lost(adev);
    558 			return soc15_asic_baco_reset(adev);
    559 		case AMD_RESET_METHOD_MODE2:
    560 			return amdgpu_dpm_mode2_reset(adev);
    561 		default:
    562 			if (!adev->in_suspend)
    563 				amdgpu_inc_vram_lost(adev);
    564 			return soc15_asic_mode1_reset(adev);
    565 	}
    566 }
    567 
    568 static bool soc15_supports_baco(struct amdgpu_device *adev)
    569 {
    570 	switch (adev->asic_type) {
    571 	case CHIP_VEGA10:
    572 	case CHIP_VEGA12:
    573 	case CHIP_ARCTURUS:
    574 		return amdgpu_dpm_is_baco_supported(adev);
    575 	case CHIP_VEGA20:
    576 		if (adev->psp.sos_fw_version >= 0x80067)
    577 			return amdgpu_dpm_is_baco_supported(adev);
    578 		return false;
    579 	default:
    580 		return false;
    581 	}
    582 }
    583 
    584 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
    585 			u32 cntl_reg, u32 status_reg)
    586 {
    587 	return 0;
    588 }*/
    589 
    590 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
    591 {
    592 	/*int r;
    593 
    594 	r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
    595 	if (r)
    596 		return r;
    597 
    598 	r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
    599 	*/
    600 	return 0;
    601 }
    602 
    603 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
    604 {
    605 	/* todo */
    606 
    607 	return 0;
    608 }
    609 
    610 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
    611 {
    612 	if (pci_is_root_bus(adev->pdev->bus))
    613 		return;
    614 
    615 	if (amdgpu_pcie_gen2 == 0)
    616 		return;
    617 
    618 	if (adev->flags & AMD_IS_APU)
    619 		return;
    620 
    621 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
    622 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
    623 		return;
    624 
    625 	/* todo */
    626 }
    627 
    628 static void soc15_program_aspm(struct amdgpu_device *adev)
    629 {
    630 
    631 	if (amdgpu_aspm == 0)
    632 		return;
    633 
    634 	/* todo */
    635 }
    636 
    637 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
    638 					   bool enable)
    639 {
    640 	adev->nbio.funcs->enable_doorbell_aperture(adev, enable);
    641 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, enable);
    642 }
    643 
    644 static const struct amdgpu_ip_block_version vega10_common_ip_block =
    645 {
    646 	.type = AMD_IP_BLOCK_TYPE_COMMON,
    647 	.major = 2,
    648 	.minor = 0,
    649 	.rev = 0,
    650 	.funcs = &soc15_common_ip_funcs,
    651 };
    652 
    653 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
    654 {
    655 	return adev->nbio.funcs->get_rev_id(adev);
    656 }
    657 
    658 int soc15_set_ip_blocks(struct amdgpu_device *adev)
    659 {
    660 	/* Set IP register base before any HW register access */
    661 	switch (adev->asic_type) {
    662 	case CHIP_VEGA10:
    663 	case CHIP_VEGA12:
    664 	case CHIP_RAVEN:
    665 	case CHIP_RENOIR:
    666 		vega10_reg_base_init(adev);
    667 		break;
    668 	case CHIP_VEGA20:
    669 		vega20_reg_base_init(adev);
    670 		break;
    671 	case CHIP_ARCTURUS:
    672 		arct_reg_base_init(adev);
    673 		break;
    674 	default:
    675 		return -EINVAL;
    676 	}
    677 
    678 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
    679 		adev->gmc.xgmi.supported = true;
    680 
    681 	if (adev->flags & AMD_IS_APU) {
    682 		adev->nbio.funcs = &nbio_v7_0_funcs;
    683 		adev->nbio.hdp_flush_reg = &nbio_v7_0_hdp_flush_reg;
    684 	} else if (adev->asic_type == CHIP_VEGA20 ||
    685 		   adev->asic_type == CHIP_ARCTURUS) {
    686 		adev->nbio.funcs = &nbio_v7_4_funcs;
    687 		adev->nbio.hdp_flush_reg = &nbio_v7_4_hdp_flush_reg;
    688 	} else {
    689 		adev->nbio.funcs = &nbio_v6_1_funcs;
    690 		adev->nbio.hdp_flush_reg = &nbio_v6_1_hdp_flush_reg;
    691 	}
    692 
    693 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
    694 		adev->df.funcs = &df_v3_6_funcs;
    695 	else
    696 		adev->df.funcs = &df_v1_7_funcs;
    697 
    698 	adev->rev_id = soc15_get_rev_id(adev);
    699 	adev->nbio.funcs->detect_hw_virt(adev);
    700 
    701 	if (amdgpu_sriov_vf(adev))
    702 		adev->virt.ops = &xgpu_ai_virt_ops;
    703 
    704 	switch (adev->asic_type) {
    705 	case CHIP_VEGA10:
    706 	case CHIP_VEGA12:
    707 	case CHIP_VEGA20:
    708 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
    709 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
    710 
    711 		/* For Vega10 SR-IOV, PSP need to be initialized before IH */
    712 		if (amdgpu_sriov_vf(adev)) {
    713 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
    714 				if (adev->asic_type == CHIP_VEGA20)
    715 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
    716 				else
    717 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
    718 			}
    719 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
    720 		} else {
    721 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
    722 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
    723 				if (adev->asic_type == CHIP_VEGA20)
    724 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
    725 				else
    726 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
    727 			}
    728 		}
    729 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
    730 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
    731 		if (is_support_sw_smu(adev)) {
    732 			if (!amdgpu_sriov_vf(adev))
    733 				amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
    734 		} else {
    735 			amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
    736 		}
    737 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
    738 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
    739 #if defined(CONFIG_DRM_AMD_DC)
    740 		else if (amdgpu_device_has_dc_support(adev))
    741 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
    742 #endif
    743 		if (!(adev->asic_type == CHIP_VEGA20 && amdgpu_sriov_vf(adev))) {
    744 			amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block);
    745 			amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block);
    746 		}
    747 		break;
    748 	case CHIP_RAVEN:
    749 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
    750 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
    751 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
    752 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
    753 			amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
    754 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
    755 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
    756 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
    757 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
    758 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
    759 #if defined(CONFIG_DRM_AMD_DC)
    760 		else if (amdgpu_device_has_dc_support(adev))
    761 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
    762 #endif
    763 		amdgpu_device_ip_block_add(adev, &vcn_v1_0_ip_block);
    764 		break;
    765 	case CHIP_ARCTURUS:
    766 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
    767 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
    768 
    769 		if (amdgpu_sriov_vf(adev)) {
    770 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
    771 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
    772 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
    773 		} else {
    774 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
    775 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
    776 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
    777 		}
    778 
    779 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
    780 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
    781 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
    782 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
    783 		amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
    784 
    785 		if (amdgpu_sriov_vf(adev)) {
    786 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
    787 				amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
    788 		} else {
    789 			amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
    790 		}
    791 		if (!amdgpu_sriov_vf(adev))
    792 			amdgpu_device_ip_block_add(adev, &jpeg_v2_5_ip_block);
    793 		break;
    794 	case CHIP_RENOIR:
    795 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
    796 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
    797 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
    798 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
    799 			amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
    800 		amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
    801 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
    802 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
    803 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
    804 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
    805 #if defined(CONFIG_DRM_AMD_DC)
    806                 else if (amdgpu_device_has_dc_support(adev))
    807                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
    808 #endif
    809 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
    810 		amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
    811 		break;
    812 	default:
    813 		return -EINVAL;
    814 	}
    815 
    816 	return 0;
    817 }
    818 
    819 static void soc15_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
    820 {
    821 	adev->nbio.funcs->hdp_flush(adev, ring);
    822 }
    823 
    824 static void soc15_invalidate_hdp(struct amdgpu_device *adev,
    825 				 struct amdgpu_ring *ring)
    826 {
    827 	if (!ring || !ring->funcs->emit_wreg)
    828 		WREG32_SOC15_NO_KIQ(HDP, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
    829 	else
    830 		amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
    831 			HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
    832 }
    833 
    834 static bool soc15_need_full_reset(struct amdgpu_device *adev)
    835 {
    836 	/* change this when we implement soft reset */
    837 	return true;
    838 }
    839 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
    840 				 uint64_t *count1)
    841 {
    842 	uint32_t perfctr = 0;
    843 	uint64_t cnt0_of, cnt1_of;
    844 	int tmp;
    845 
    846 	/* This reports 0 on APUs, so return to avoid writing/reading registers
    847 	 * that may or may not be different from their GPU counterparts
    848 	 */
    849 	if (adev->flags & AMD_IS_APU)
    850 		return;
    851 
    852 	/* Set the 2 events that we wish to watch, defined above */
    853 	/* Reg 40 is # received msgs */
    854 	/* Reg 104 is # of posted requests sent */
    855 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
    856 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
    857 
    858 	/* Write to enable desired perf counters */
    859 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
    860 	/* Zero out and enable the perf counters
    861 	 * Write 0x5:
    862 	 * Bit 0 = Start all counters(1)
    863 	 * Bit 2 = Global counter reset enable(1)
    864 	 */
    865 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
    866 
    867 	msleep(1000);
    868 
    869 	/* Load the shadow and disable the perf counters
    870 	 * Write 0x2:
    871 	 * Bit 0 = Stop counters(0)
    872 	 * Bit 1 = Load the shadow counters(1)
    873 	 */
    874 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
    875 
    876 	/* Read register values to get any >32bit overflow */
    877 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
    878 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
    879 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
    880 
    881 	/* Get the values and add the overflow */
    882 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
    883 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
    884 }
    885 
    886 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
    887 				 uint64_t *count1)
    888 {
    889 	uint32_t perfctr = 0;
    890 	uint64_t cnt0_of, cnt1_of;
    891 	int tmp;
    892 
    893 	/* This reports 0 on APUs, so return to avoid writing/reading registers
    894 	 * that may or may not be different from their GPU counterparts
    895 	 */
    896 	if (adev->flags & AMD_IS_APU)
    897 		return;
    898 
    899 	/* Set the 2 events that we wish to watch, defined above */
    900 	/* Reg 40 is # received msgs */
    901 	/* Reg 108 is # of posted requests sent on VG20 */
    902 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
    903 				EVENT0_SEL, 40);
    904 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
    905 				EVENT1_SEL, 108);
    906 
    907 	/* Write to enable desired perf counters */
    908 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
    909 	/* Zero out and enable the perf counters
    910 	 * Write 0x5:
    911 	 * Bit 0 = Start all counters(1)
    912 	 * Bit 2 = Global counter reset enable(1)
    913 	 */
    914 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
    915 
    916 	msleep(1000);
    917 
    918 	/* Load the shadow and disable the perf counters
    919 	 * Write 0x2:
    920 	 * Bit 0 = Stop counters(0)
    921 	 * Bit 1 = Load the shadow counters(1)
    922 	 */
    923 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
    924 
    925 	/* Read register values to get any >32bit overflow */
    926 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
    927 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
    928 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
    929 
    930 	/* Get the values and add the overflow */
    931 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
    932 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
    933 }
    934 
    935 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
    936 {
    937 	u32 sol_reg;
    938 
    939 	/* Just return false for soc15 GPUs.  Reset does not seem to
    940 	 * be necessary.
    941 	 */
    942 	if (!amdgpu_passthrough(adev))
    943 		return false;
    944 
    945 	if (adev->flags & AMD_IS_APU)
    946 		return false;
    947 
    948 	/* Check sOS sign of life register to confirm sys driver and sOS
    949 	 * are already been loaded.
    950 	 */
    951 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
    952 	if (sol_reg)
    953 		return true;
    954 
    955 	return false;
    956 }
    957 
    958 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
    959 {
    960 	uint64_t nak_r, nak_g;
    961 
    962 	/* Get the number of NAKs received and generated */
    963 	nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
    964 	nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
    965 
    966 	/* Add the total number of NAKs, i.e the number of replays */
    967 	return (nak_r + nak_g);
    968 }
    969 
    970 static const struct amdgpu_asic_funcs soc15_asic_funcs =
    971 {
    972 	.read_disabled_bios = &soc15_read_disabled_bios,
    973 	.read_bios_from_rom = &soc15_read_bios_from_rom,
    974 	.read_register = &soc15_read_register,
    975 	.reset = &soc15_asic_reset,
    976 	.reset_method = &soc15_asic_reset_method,
    977 	.set_vga_state = &soc15_vga_set_state,
    978 	.get_xclk = &soc15_get_xclk,
    979 	.set_uvd_clocks = &soc15_set_uvd_clocks,
    980 	.set_vce_clocks = &soc15_set_vce_clocks,
    981 	.get_config_memsize = &soc15_get_config_memsize,
    982 	.flush_hdp = &soc15_flush_hdp,
    983 	.invalidate_hdp = &soc15_invalidate_hdp,
    984 	.need_full_reset = &soc15_need_full_reset,
    985 	.init_doorbell_index = &vega10_doorbell_index_init,
    986 	.get_pcie_usage = &soc15_get_pcie_usage,
    987 	.need_reset_on_init = &soc15_need_reset_on_init,
    988 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
    989 	.supports_baco = &soc15_supports_baco,
    990 };
    991 
    992 static const struct amdgpu_asic_funcs vega20_asic_funcs =
    993 {
    994 	.read_disabled_bios = &soc15_read_disabled_bios,
    995 	.read_bios_from_rom = &soc15_read_bios_from_rom,
    996 	.read_register = &soc15_read_register,
    997 	.reset = &soc15_asic_reset,
    998 	.reset_method = &soc15_asic_reset_method,
    999 	.set_vga_state = &soc15_vga_set_state,
   1000 	.get_xclk = &soc15_get_xclk,
   1001 	.set_uvd_clocks = &soc15_set_uvd_clocks,
   1002 	.set_vce_clocks = &soc15_set_vce_clocks,
   1003 	.get_config_memsize = &soc15_get_config_memsize,
   1004 	.flush_hdp = &soc15_flush_hdp,
   1005 	.invalidate_hdp = &soc15_invalidate_hdp,
   1006 	.need_full_reset = &soc15_need_full_reset,
   1007 	.init_doorbell_index = &vega20_doorbell_index_init,
   1008 	.get_pcie_usage = &vega20_get_pcie_usage,
   1009 	.need_reset_on_init = &soc15_need_reset_on_init,
   1010 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
   1011 	.supports_baco = &soc15_supports_baco,
   1012 };
   1013 
   1014 static int soc15_common_early_init(void *handle)
   1015 {
   1016 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
   1017 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1018 
   1019 	adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
   1020 	adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
   1021 	adev->smc_rreg = NULL;
   1022 	adev->smc_wreg = NULL;
   1023 	adev->pcie_rreg = &soc15_pcie_rreg;
   1024 	adev->pcie_wreg = &soc15_pcie_wreg;
   1025 	adev->pcie_rreg64 = &soc15_pcie_rreg64;
   1026 	adev->pcie_wreg64 = &soc15_pcie_wreg64;
   1027 	adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
   1028 	adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
   1029 	adev->didt_rreg = &soc15_didt_rreg;
   1030 	adev->didt_wreg = &soc15_didt_wreg;
   1031 	adev->gc_cac_rreg = &soc15_gc_cac_rreg;
   1032 	adev->gc_cac_wreg = &soc15_gc_cac_wreg;
   1033 	adev->se_cac_rreg = &soc15_se_cac_rreg;
   1034 	adev->se_cac_wreg = &soc15_se_cac_wreg;
   1035 
   1036 
   1037 	adev->external_rev_id = 0xFF;
   1038 	switch (adev->asic_type) {
   1039 	case CHIP_VEGA10:
   1040 		adev->asic_funcs = &soc15_asic_funcs;
   1041 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1042 			AMD_CG_SUPPORT_GFX_MGLS |
   1043 			AMD_CG_SUPPORT_GFX_RLC_LS |
   1044 			AMD_CG_SUPPORT_GFX_CP_LS |
   1045 			AMD_CG_SUPPORT_GFX_3D_CGCG |
   1046 			AMD_CG_SUPPORT_GFX_3D_CGLS |
   1047 			AMD_CG_SUPPORT_GFX_CGCG |
   1048 			AMD_CG_SUPPORT_GFX_CGLS |
   1049 			AMD_CG_SUPPORT_BIF_MGCG |
   1050 			AMD_CG_SUPPORT_BIF_LS |
   1051 			AMD_CG_SUPPORT_HDP_LS |
   1052 			AMD_CG_SUPPORT_DRM_MGCG |
   1053 			AMD_CG_SUPPORT_DRM_LS |
   1054 			AMD_CG_SUPPORT_ROM_MGCG |
   1055 			AMD_CG_SUPPORT_DF_MGCG |
   1056 			AMD_CG_SUPPORT_SDMA_MGCG |
   1057 			AMD_CG_SUPPORT_SDMA_LS |
   1058 			AMD_CG_SUPPORT_MC_MGCG |
   1059 			AMD_CG_SUPPORT_MC_LS;
   1060 		adev->pg_flags = 0;
   1061 		adev->external_rev_id = 0x1;
   1062 		break;
   1063 	case CHIP_VEGA12:
   1064 		adev->asic_funcs = &soc15_asic_funcs;
   1065 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1066 			AMD_CG_SUPPORT_GFX_MGLS |
   1067 			AMD_CG_SUPPORT_GFX_CGCG |
   1068 			AMD_CG_SUPPORT_GFX_CGLS |
   1069 			AMD_CG_SUPPORT_GFX_3D_CGCG |
   1070 			AMD_CG_SUPPORT_GFX_3D_CGLS |
   1071 			AMD_CG_SUPPORT_GFX_CP_LS |
   1072 			AMD_CG_SUPPORT_MC_LS |
   1073 			AMD_CG_SUPPORT_MC_MGCG |
   1074 			AMD_CG_SUPPORT_SDMA_MGCG |
   1075 			AMD_CG_SUPPORT_SDMA_LS |
   1076 			AMD_CG_SUPPORT_BIF_MGCG |
   1077 			AMD_CG_SUPPORT_BIF_LS |
   1078 			AMD_CG_SUPPORT_HDP_MGCG |
   1079 			AMD_CG_SUPPORT_HDP_LS |
   1080 			AMD_CG_SUPPORT_ROM_MGCG |
   1081 			AMD_CG_SUPPORT_VCE_MGCG |
   1082 			AMD_CG_SUPPORT_UVD_MGCG;
   1083 		adev->pg_flags = 0;
   1084 		adev->external_rev_id = adev->rev_id + 0x14;
   1085 		break;
   1086 	case CHIP_VEGA20:
   1087 		adev->asic_funcs = &vega20_asic_funcs;
   1088 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1089 			AMD_CG_SUPPORT_GFX_MGLS |
   1090 			AMD_CG_SUPPORT_GFX_CGCG |
   1091 			AMD_CG_SUPPORT_GFX_CGLS |
   1092 			AMD_CG_SUPPORT_GFX_3D_CGCG |
   1093 			AMD_CG_SUPPORT_GFX_3D_CGLS |
   1094 			AMD_CG_SUPPORT_GFX_CP_LS |
   1095 			AMD_CG_SUPPORT_MC_LS |
   1096 			AMD_CG_SUPPORT_MC_MGCG |
   1097 			AMD_CG_SUPPORT_SDMA_MGCG |
   1098 			AMD_CG_SUPPORT_SDMA_LS |
   1099 			AMD_CG_SUPPORT_BIF_MGCG |
   1100 			AMD_CG_SUPPORT_BIF_LS |
   1101 			AMD_CG_SUPPORT_HDP_MGCG |
   1102 			AMD_CG_SUPPORT_HDP_LS |
   1103 			AMD_CG_SUPPORT_ROM_MGCG |
   1104 			AMD_CG_SUPPORT_VCE_MGCG |
   1105 			AMD_CG_SUPPORT_UVD_MGCG;
   1106 		adev->pg_flags = 0;
   1107 		adev->external_rev_id = adev->rev_id + 0x28;
   1108 		break;
   1109 	case CHIP_RAVEN:
   1110 		adev->asic_funcs = &soc15_asic_funcs;
   1111 		if (adev->rev_id >= 0x8)
   1112 			adev->external_rev_id = adev->rev_id + 0x79;
   1113 		else if (adev->pdev->device == 0x15d8)
   1114 			adev->external_rev_id = adev->rev_id + 0x41;
   1115 		else if (adev->rev_id == 1)
   1116 			adev->external_rev_id = adev->rev_id + 0x20;
   1117 		else
   1118 			adev->external_rev_id = adev->rev_id + 0x01;
   1119 
   1120 		if (adev->rev_id >= 0x8) {
   1121 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1122 				AMD_CG_SUPPORT_GFX_MGLS |
   1123 				AMD_CG_SUPPORT_GFX_CP_LS |
   1124 				AMD_CG_SUPPORT_GFX_3D_CGCG |
   1125 				AMD_CG_SUPPORT_GFX_3D_CGLS |
   1126 				AMD_CG_SUPPORT_GFX_CGCG |
   1127 				AMD_CG_SUPPORT_GFX_CGLS |
   1128 				AMD_CG_SUPPORT_BIF_LS |
   1129 				AMD_CG_SUPPORT_HDP_LS |
   1130 				AMD_CG_SUPPORT_ROM_MGCG |
   1131 				AMD_CG_SUPPORT_MC_MGCG |
   1132 				AMD_CG_SUPPORT_MC_LS |
   1133 				AMD_CG_SUPPORT_SDMA_MGCG |
   1134 				AMD_CG_SUPPORT_SDMA_LS |
   1135 				AMD_CG_SUPPORT_VCN_MGCG;
   1136 
   1137 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
   1138 		} else if (adev->pdev->device == 0x15d8) {
   1139 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1140 				AMD_CG_SUPPORT_GFX_MGLS |
   1141 				AMD_CG_SUPPORT_GFX_CP_LS |
   1142 				AMD_CG_SUPPORT_GFX_3D_CGCG |
   1143 				AMD_CG_SUPPORT_GFX_3D_CGLS |
   1144 				AMD_CG_SUPPORT_GFX_CGCG |
   1145 				AMD_CG_SUPPORT_GFX_CGLS |
   1146 				AMD_CG_SUPPORT_BIF_LS |
   1147 				AMD_CG_SUPPORT_HDP_LS |
   1148 				AMD_CG_SUPPORT_ROM_MGCG |
   1149 				AMD_CG_SUPPORT_MC_MGCG |
   1150 				AMD_CG_SUPPORT_MC_LS |
   1151 				AMD_CG_SUPPORT_SDMA_MGCG |
   1152 				AMD_CG_SUPPORT_SDMA_LS;
   1153 
   1154 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
   1155 				AMD_PG_SUPPORT_MMHUB |
   1156 				AMD_PG_SUPPORT_VCN |
   1157 				AMD_PG_SUPPORT_VCN_DPG;
   1158 		} else {
   1159 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1160 				AMD_CG_SUPPORT_GFX_MGLS |
   1161 				AMD_CG_SUPPORT_GFX_RLC_LS |
   1162 				AMD_CG_SUPPORT_GFX_CP_LS |
   1163 				AMD_CG_SUPPORT_GFX_3D_CGCG |
   1164 				AMD_CG_SUPPORT_GFX_3D_CGLS |
   1165 				AMD_CG_SUPPORT_GFX_CGCG |
   1166 				AMD_CG_SUPPORT_GFX_CGLS |
   1167 				AMD_CG_SUPPORT_BIF_MGCG |
   1168 				AMD_CG_SUPPORT_BIF_LS |
   1169 				AMD_CG_SUPPORT_HDP_MGCG |
   1170 				AMD_CG_SUPPORT_HDP_LS |
   1171 				AMD_CG_SUPPORT_DRM_MGCG |
   1172 				AMD_CG_SUPPORT_DRM_LS |
   1173 				AMD_CG_SUPPORT_ROM_MGCG |
   1174 				AMD_CG_SUPPORT_MC_MGCG |
   1175 				AMD_CG_SUPPORT_MC_LS |
   1176 				AMD_CG_SUPPORT_SDMA_MGCG |
   1177 				AMD_CG_SUPPORT_SDMA_LS |
   1178 				AMD_CG_SUPPORT_VCN_MGCG;
   1179 
   1180 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
   1181 		}
   1182 		break;
   1183 	case CHIP_ARCTURUS:
   1184 		adev->asic_funcs = &vega20_asic_funcs;
   1185 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1186 			AMD_CG_SUPPORT_GFX_MGLS |
   1187 			AMD_CG_SUPPORT_GFX_CGCG |
   1188 			AMD_CG_SUPPORT_GFX_CGLS |
   1189 			AMD_CG_SUPPORT_GFX_CP_LS |
   1190 			AMD_CG_SUPPORT_HDP_MGCG |
   1191 			AMD_CG_SUPPORT_HDP_LS |
   1192 			AMD_CG_SUPPORT_SDMA_MGCG |
   1193 			AMD_CG_SUPPORT_SDMA_LS |
   1194 			AMD_CG_SUPPORT_MC_MGCG |
   1195 			AMD_CG_SUPPORT_MC_LS |
   1196 			AMD_CG_SUPPORT_IH_CG |
   1197 			AMD_CG_SUPPORT_VCN_MGCG |
   1198 			AMD_CG_SUPPORT_JPEG_MGCG;
   1199 		adev->pg_flags = 0;
   1200 		adev->external_rev_id = adev->rev_id + 0x32;
   1201 		break;
   1202 	case CHIP_RENOIR:
   1203 		adev->asic_funcs = &soc15_asic_funcs;
   1204 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
   1205 				 AMD_CG_SUPPORT_GFX_MGLS |
   1206 				 AMD_CG_SUPPORT_GFX_3D_CGCG |
   1207 				 AMD_CG_SUPPORT_GFX_3D_CGLS |
   1208 				 AMD_CG_SUPPORT_GFX_CGCG |
   1209 				 AMD_CG_SUPPORT_GFX_CGLS |
   1210 				 AMD_CG_SUPPORT_GFX_CP_LS |
   1211 				 AMD_CG_SUPPORT_MC_MGCG |
   1212 				 AMD_CG_SUPPORT_MC_LS |
   1213 				 AMD_CG_SUPPORT_SDMA_MGCG |
   1214 				 AMD_CG_SUPPORT_SDMA_LS |
   1215 				 AMD_CG_SUPPORT_BIF_LS |
   1216 				 AMD_CG_SUPPORT_HDP_LS |
   1217 				 AMD_CG_SUPPORT_ROM_MGCG |
   1218 				 AMD_CG_SUPPORT_VCN_MGCG |
   1219 				 AMD_CG_SUPPORT_JPEG_MGCG |
   1220 				 AMD_CG_SUPPORT_IH_CG |
   1221 				 AMD_CG_SUPPORT_ATHUB_LS |
   1222 				 AMD_CG_SUPPORT_ATHUB_MGCG |
   1223 				 AMD_CG_SUPPORT_DF_MGCG;
   1224 		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
   1225 				 AMD_PG_SUPPORT_VCN |
   1226 				 AMD_PG_SUPPORT_JPEG |
   1227 				 AMD_PG_SUPPORT_VCN_DPG;
   1228 		adev->external_rev_id = adev->rev_id + 0x91;
   1229 		break;
   1230 	default:
   1231 		/* FIXME: not supported yet */
   1232 		return -EINVAL;
   1233 	}
   1234 
   1235 	if (amdgpu_sriov_vf(adev)) {
   1236 		amdgpu_virt_init_setting(adev);
   1237 		xgpu_ai_mailbox_set_irq_funcs(adev);
   1238 	}
   1239 
   1240 	return 0;
   1241 }
   1242 
   1243 static int soc15_common_late_init(void *handle)
   1244 {
   1245 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1246 	int r = 0;
   1247 
   1248 	if (amdgpu_sriov_vf(adev))
   1249 		xgpu_ai_mailbox_get_irq(adev);
   1250 
   1251 	if (adev->nbio.funcs->ras_late_init)
   1252 		r = adev->nbio.funcs->ras_late_init(adev);
   1253 
   1254 	return r;
   1255 }
   1256 
   1257 static int soc15_common_sw_init(void *handle)
   1258 {
   1259 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1260 
   1261 	if (amdgpu_sriov_vf(adev))
   1262 		xgpu_ai_mailbox_add_irq_id(adev);
   1263 
   1264 	adev->df.funcs->sw_init(adev);
   1265 
   1266 	return 0;
   1267 }
   1268 
   1269 static int soc15_common_sw_fini(void *handle)
   1270 {
   1271 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1272 
   1273 	amdgpu_nbio_ras_fini(adev);
   1274 	adev->df.funcs->sw_fini(adev);
   1275 	return 0;
   1276 }
   1277 
   1278 static void soc15_doorbell_range_init(struct amdgpu_device *adev)
   1279 {
   1280 	int i;
   1281 	struct amdgpu_ring *ring;
   1282 
   1283 	/* sdma/ih doorbell range are programed by hypervisor */
   1284 	if (!amdgpu_sriov_vf(adev)) {
   1285 		for (i = 0; i < adev->sdma.num_instances; i++) {
   1286 			ring = &adev->sdma.instance[i].ring;
   1287 			adev->nbio.funcs->sdma_doorbell_range(adev, i,
   1288 				ring->use_doorbell, ring->doorbell_index,
   1289 				adev->doorbell_index.sdma_doorbell_range);
   1290 		}
   1291 
   1292 		adev->nbio.funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
   1293 						adev->irq.ih.doorbell_index);
   1294 	}
   1295 }
   1296 
   1297 static int soc15_common_hw_init(void *handle)
   1298 {
   1299 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1300 
   1301 	/* enable pcie gen2/3 link */
   1302 	soc15_pcie_gen3_enable(adev);
   1303 	/* enable aspm */
   1304 	soc15_program_aspm(adev);
   1305 	/* setup nbio registers */
   1306 	adev->nbio.funcs->init_registers(adev);
   1307 	/* remap HDP registers to a hole in mmio space,
   1308 	 * for the purpose of expose those registers
   1309 	 * to process space
   1310 	 */
   1311 	if (adev->nbio.funcs->remap_hdp_registers)
   1312 		adev->nbio.funcs->remap_hdp_registers(adev);
   1313 
   1314 	/* enable the doorbell aperture */
   1315 	soc15_enable_doorbell_aperture(adev, true);
   1316 	/* HW doorbell routing policy: doorbell writing not
   1317 	 * in SDMA/IH/MM/ACV range will be routed to CP. So
   1318 	 * we need to init SDMA/IH/MM/ACV doorbell range prior
   1319 	 * to CP ip block init and ring test.
   1320 	 */
   1321 	soc15_doorbell_range_init(adev);
   1322 
   1323 	return 0;
   1324 }
   1325 
   1326 static int soc15_common_hw_fini(void *handle)
   1327 {
   1328 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1329 
   1330 	/* disable the doorbell aperture */
   1331 	soc15_enable_doorbell_aperture(adev, false);
   1332 	if (amdgpu_sriov_vf(adev))
   1333 		xgpu_ai_mailbox_put_irq(adev);
   1334 
   1335 	if (adev->nbio.ras_if &&
   1336 	    amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
   1337 		if (adev->nbio.funcs->init_ras_controller_interrupt)
   1338 			amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
   1339 		if (adev->nbio.funcs->init_ras_err_event_athub_interrupt)
   1340 			amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
   1341 	}
   1342 
   1343 	return 0;
   1344 }
   1345 
   1346 static int soc15_common_suspend(void *handle)
   1347 {
   1348 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1349 
   1350 	return soc15_common_hw_fini(adev);
   1351 }
   1352 
   1353 static int soc15_common_resume(void *handle)
   1354 {
   1355 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1356 
   1357 	return soc15_common_hw_init(adev);
   1358 }
   1359 
   1360 static bool soc15_common_is_idle(void *handle)
   1361 {
   1362 	return true;
   1363 }
   1364 
   1365 static int soc15_common_wait_for_idle(void *handle)
   1366 {
   1367 	return 0;
   1368 }
   1369 
   1370 static int soc15_common_soft_reset(void *handle)
   1371 {
   1372 	return 0;
   1373 }
   1374 
   1375 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
   1376 {
   1377 	uint32_t def, data;
   1378 
   1379 	if (adev->asic_type == CHIP_VEGA20 ||
   1380 		adev->asic_type == CHIP_ARCTURUS) {
   1381 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
   1382 
   1383 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
   1384 			data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
   1385 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
   1386 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
   1387 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
   1388 		else
   1389 			data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
   1390 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
   1391 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
   1392 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
   1393 
   1394 		if (def != data)
   1395 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
   1396 	} else {
   1397 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
   1398 
   1399 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
   1400 			data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
   1401 		else
   1402 			data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
   1403 
   1404 		if (def != data)
   1405 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
   1406 	}
   1407 }
   1408 
   1409 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
   1410 {
   1411 	uint32_t def, data;
   1412 
   1413 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
   1414 
   1415 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
   1416 		data &= ~(0x01000000 |
   1417 			  0x02000000 |
   1418 			  0x04000000 |
   1419 			  0x08000000 |
   1420 			  0x10000000 |
   1421 			  0x20000000 |
   1422 			  0x40000000 |
   1423 			  0x80000000);
   1424 	else
   1425 		data |= (0x01000000 |
   1426 			 0x02000000 |
   1427 			 0x04000000 |
   1428 			 0x08000000 |
   1429 			 0x10000000 |
   1430 			 0x20000000 |
   1431 			 0x40000000 |
   1432 			 0x80000000);
   1433 
   1434 	if (def != data)
   1435 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
   1436 }
   1437 
   1438 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
   1439 {
   1440 	uint32_t def, data;
   1441 
   1442 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
   1443 
   1444 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
   1445 		data |= 1;
   1446 	else
   1447 		data &= ~1;
   1448 
   1449 	if (def != data)
   1450 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
   1451 }
   1452 
   1453 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
   1454 						       bool enable)
   1455 {
   1456 	uint32_t def, data;
   1457 
   1458 	def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
   1459 
   1460 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
   1461 		data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
   1462 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
   1463 	else
   1464 		data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
   1465 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
   1466 
   1467 	if (def != data)
   1468 		WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
   1469 }
   1470 
   1471 static int soc15_common_set_clockgating_state(void *handle,
   1472 					    enum amd_clockgating_state state)
   1473 {
   1474 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1475 
   1476 	if (amdgpu_sriov_vf(adev))
   1477 		return 0;
   1478 
   1479 	switch (adev->asic_type) {
   1480 	case CHIP_VEGA10:
   1481 	case CHIP_VEGA12:
   1482 	case CHIP_VEGA20:
   1483 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
   1484 				state == AMD_CG_STATE_GATE);
   1485 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
   1486 				state == AMD_CG_STATE_GATE);
   1487 		soc15_update_hdp_light_sleep(adev,
   1488 				state == AMD_CG_STATE_GATE);
   1489 		soc15_update_drm_clock_gating(adev,
   1490 				state == AMD_CG_STATE_GATE);
   1491 		soc15_update_drm_light_sleep(adev,
   1492 				state == AMD_CG_STATE_GATE);
   1493 		soc15_update_rom_medium_grain_clock_gating(adev,
   1494 				state == AMD_CG_STATE_GATE);
   1495 		adev->df.funcs->update_medium_grain_clock_gating(adev,
   1496 				state == AMD_CG_STATE_GATE);
   1497 		break;
   1498 	case CHIP_RAVEN:
   1499 	case CHIP_RENOIR:
   1500 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
   1501 				state == AMD_CG_STATE_GATE);
   1502 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
   1503 				state == AMD_CG_STATE_GATE);
   1504 		soc15_update_hdp_light_sleep(adev,
   1505 				state == AMD_CG_STATE_GATE);
   1506 		soc15_update_drm_clock_gating(adev,
   1507 				state == AMD_CG_STATE_GATE);
   1508 		soc15_update_drm_light_sleep(adev,
   1509 				state == AMD_CG_STATE_GATE);
   1510 		soc15_update_rom_medium_grain_clock_gating(adev,
   1511 				state == AMD_CG_STATE_GATE);
   1512 		break;
   1513 	case CHIP_ARCTURUS:
   1514 		soc15_update_hdp_light_sleep(adev,
   1515 				state == AMD_CG_STATE_GATE);
   1516 		break;
   1517 	default:
   1518 		break;
   1519 	}
   1520 	return 0;
   1521 }
   1522 
   1523 static void soc15_common_get_clockgating_state(void *handle, u32 *flags)
   1524 {
   1525 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
   1526 	int data;
   1527 
   1528 	if (amdgpu_sriov_vf(adev))
   1529 		*flags = 0;
   1530 
   1531 	adev->nbio.funcs->get_clockgating_state(adev, flags);
   1532 
   1533 	/* AMD_CG_SUPPORT_HDP_LS */
   1534 	data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
   1535 	if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
   1536 		*flags |= AMD_CG_SUPPORT_HDP_LS;
   1537 
   1538 	/* AMD_CG_SUPPORT_DRM_MGCG */
   1539 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
   1540 	if (!(data & 0x01000000))
   1541 		*flags |= AMD_CG_SUPPORT_DRM_MGCG;
   1542 
   1543 	/* AMD_CG_SUPPORT_DRM_LS */
   1544 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
   1545 	if (data & 0x1)
   1546 		*flags |= AMD_CG_SUPPORT_DRM_LS;
   1547 
   1548 	/* AMD_CG_SUPPORT_ROM_MGCG */
   1549 	data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
   1550 	if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
   1551 		*flags |= AMD_CG_SUPPORT_ROM_MGCG;
   1552 
   1553 	adev->df.funcs->get_clockgating_state(adev, flags);
   1554 }
   1555 
   1556 static int soc15_common_set_powergating_state(void *handle,
   1557 					    enum amd_powergating_state state)
   1558 {
   1559 	/* todo */
   1560 	return 0;
   1561 }
   1562 
   1563 const struct amd_ip_funcs soc15_common_ip_funcs = {
   1564 	.name = "soc15_common",
   1565 	.early_init = soc15_common_early_init,
   1566 	.late_init = soc15_common_late_init,
   1567 	.sw_init = soc15_common_sw_init,
   1568 	.sw_fini = soc15_common_sw_fini,
   1569 	.hw_init = soc15_common_hw_init,
   1570 	.hw_fini = soc15_common_hw_fini,
   1571 	.suspend = soc15_common_suspend,
   1572 	.resume = soc15_common_resume,
   1573 	.is_idle = soc15_common_is_idle,
   1574 	.wait_for_idle = soc15_common_wait_for_idle,
   1575 	.soft_reset = soc15_common_soft_reset,
   1576 	.set_clockgating_state = soc15_common_set_clockgating_state,
   1577 	.set_powergating_state = soc15_common_set_powergating_state,
   1578 	.get_clockgating_state= soc15_common_get_clockgating_state,
   1579 };
   1580