2 * Copyright 2016 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
23 #include <linux/firmware.h>
24 #include <linux/slab.h>
25 #include <linux/module.h>
28 #include "amdgpu_atombios.h"
29 #include "amdgpu_ih.h"
30 #include "amdgpu_uvd.h"
31 #include "amdgpu_vce.h"
32 #include "amdgpu_ucode.h"
33 #include "amdgpu_psp.h"
37 #include "vega10/soc15ip.h"
38 #include "vega10/UVD/uvd_7_0_offset.h"
39 #include "vega10/GC/gc_9_0_offset.h"
40 #include "vega10/GC/gc_9_0_sh_mask.h"
41 #include "vega10/SDMA0/sdma0_4_0_offset.h"
42 #include "vega10/SDMA1/sdma1_4_0_offset.h"
43 #include "vega10/HDP/hdp_4_0_offset.h"
44 #include "vega10/HDP/hdp_4_0_sh_mask.h"
45 #include "vega10/MP/mp_9_0_offset.h"
46 #include "vega10/MP/mp_9_0_sh_mask.h"
47 #include "vega10/SMUIO/smuio_9_0_offset.h"
48 #include "vega10/SMUIO/smuio_9_0_sh_mask.h"
51 #include "soc15_common.h"
54 #include "gfxhub_v1_0.h"
55 #include "mmhub_v1_0.h"
56 #include "vega10_ih.h"
57 #include "sdma_v4_0.h"
60 #include "amdgpu_powerplay.h"
62 MODULE_FIRMWARE("amdgpu/vega10_smc.bin");
64 #define mmFabricConfigAccessControl 0x0410
65 #define mmFabricConfigAccessControl_BASE_IDX 0
66 #define mmFabricConfigAccessControl_DEFAULT 0x00000000
67 //FabricConfigAccessControl
68 #define FabricConfigAccessControl__CfgRegInstAccEn__SHIFT 0x0
69 #define FabricConfigAccessControl__CfgRegInstAccRegLock__SHIFT 0x1
70 #define FabricConfigAccessControl__CfgRegInstID__SHIFT 0x10
71 #define FabricConfigAccessControl__CfgRegInstAccEn_MASK 0x00000001L
72 #define FabricConfigAccessControl__CfgRegInstAccRegLock_MASK 0x00000002L
73 #define FabricConfigAccessControl__CfgRegInstID_MASK 0x00FF0000L
76 #define mmDF_PIE_AON0_DfGlobalClkGater 0x00fc
77 #define mmDF_PIE_AON0_DfGlobalClkGater_BASE_IDX 0
78 //DF_PIE_AON0_DfGlobalClkGater
79 #define DF_PIE_AON0_DfGlobalClkGater__MGCGMode__SHIFT 0x0
80 #define DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK 0x0000000FL
84 DF_MGCG_ENABLE_00_CYCLE_DELAY =1,
85 DF_MGCG_ENABLE_01_CYCLE_DELAY =2,
86 DF_MGCG_ENABLE_15_CYCLE_DELAY =13,
87 DF_MGCG_ENABLE_31_CYCLE_DELAY =14,
88 DF_MGCG_ENABLE_63_CYCLE_DELAY =15
91 #define mmMP0_MISC_CGTT_CTRL0 0x01b9
92 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX 0
93 #define mmMP0_MISC_LIGHT_SLEEP_CTRL 0x01ba
94 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX 0
97 * Indirect registers accessor
99 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
101 unsigned long flags, address, data;
103 struct nbio_pcie_index_data *nbio_pcie_id;
105 if (adev->asic_type == CHIP_VEGA10)
106 nbio_pcie_id = &nbio_v6_1_pcie_index_data;
108 address = nbio_pcie_id->index_offset;
109 data = nbio_pcie_id->data_offset;
111 spin_lock_irqsave(&adev->pcie_idx_lock, flags);
112 WREG32(address, reg);
113 (void)RREG32(address);
115 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
119 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
121 unsigned long flags, address, data;
122 struct nbio_pcie_index_data *nbio_pcie_id;
124 if (adev->asic_type == CHIP_VEGA10)
125 nbio_pcie_id = &nbio_v6_1_pcie_index_data;
127 address = nbio_pcie_id->index_offset;
128 data = nbio_pcie_id->data_offset;
130 spin_lock_irqsave(&adev->pcie_idx_lock, flags);
131 WREG32(address, reg);
132 (void)RREG32(address);
135 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
138 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
140 unsigned long flags, address, data;
143 address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
144 data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
146 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
147 WREG32(address, ((reg) & 0x1ff));
149 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
153 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
155 unsigned long flags, address, data;
157 address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
158 data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
160 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
161 WREG32(address, ((reg) & 0x1ff));
163 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
166 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
168 unsigned long flags, address, data;
171 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
172 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
174 spin_lock_irqsave(&adev->didt_idx_lock, flags);
175 WREG32(address, (reg));
177 spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
181 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
183 unsigned long flags, address, data;
185 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
186 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
188 spin_lock_irqsave(&adev->didt_idx_lock, flags);
189 WREG32(address, (reg));
191 spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
194 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
196 return nbio_v6_1_get_memsize(adev);
199 static const u32 vega10_golden_init[] =
203 static void soc15_init_golden_registers(struct amdgpu_device *adev)
205 /* Some of the registers might be dependent on GRBM_GFX_INDEX */
206 mutex_lock(&adev->grbm_idx_mutex);
208 switch (adev->asic_type) {
210 amdgpu_program_register_sequence(adev,
212 (const u32)ARRAY_SIZE(vega10_golden_init));
217 mutex_unlock(&adev->grbm_idx_mutex);
219 static u32 soc15_get_xclk(struct amdgpu_device *adev)
221 if (adev->asic_type == CHIP_VEGA10)
222 return adev->clock.spll.reference_freq/4;
224 return adev->clock.spll.reference_freq;
228 void soc15_grbm_select(struct amdgpu_device *adev,
229 u32 me, u32 pipe, u32 queue, u32 vmid)
231 u32 grbm_gfx_cntl = 0;
232 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
233 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
234 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
235 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
237 WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl);
240 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
245 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
251 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
252 u8 *bios, u32 length_bytes)
259 if (length_bytes == 0)
261 /* APU vbios image is part of sbios image */
262 if (adev->flags & AMD_IS_APU)
265 dw_ptr = (u32 *)bios;
266 length_dw = ALIGN(length_bytes, 4) / 4;
268 /* set rom index to 0 */
269 WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
270 /* read out the rom data */
271 for (i = 0; i < length_dw; i++)
272 dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
277 static struct amdgpu_allowed_register_entry vega10_allowed_read_registers[] = {
281 static struct amdgpu_allowed_register_entry soc15_allowed_read_registers[] = {
282 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS), false},
283 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS2), false},
284 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE0), false},
285 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE1), false},
286 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE2), false},
287 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE3), false},
288 { SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_STATUS_REG), false},
289 { SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_STATUS_REG), false},
290 { SOC15_REG_OFFSET(GC, 0, mmCP_STAT), false},
291 { SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT1), false},
292 { SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT2), false},
293 { SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT3), false},
294 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_BUSY_STAT), false},
295 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_STALLED_STAT1), false},
296 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_STATUS), false},
297 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_BUSY_STAT), false},
298 { SOC15_REG_OFFSET(GC, 0, mmCP_CPC_STALLED_STAT1), false},
299 { SOC15_REG_OFFSET(GC, 0, mmCP_CPC_STATUS), false},
300 { SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG), false},
301 { SOC15_REG_OFFSET(GC, 0, mmCC_RB_BACKEND_DISABLE), false, true},
302 { SOC15_REG_OFFSET(GC, 0, mmGC_USER_RB_BACKEND_DISABLE), false, true},
303 { SOC15_REG_OFFSET(GC, 0, mmGB_BACKEND_MAP), false, false},
306 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
307 u32 sh_num, u32 reg_offset)
311 mutex_lock(&adev->grbm_idx_mutex);
312 if (se_num != 0xffffffff || sh_num != 0xffffffff)
313 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
315 val = RREG32(reg_offset);
317 if (se_num != 0xffffffff || sh_num != 0xffffffff)
318 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
319 mutex_unlock(&adev->grbm_idx_mutex);
323 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
324 u32 sh_num, u32 reg_offset, u32 *value)
326 struct amdgpu_allowed_register_entry *asic_register_table = NULL;
327 struct amdgpu_allowed_register_entry *asic_register_entry;
331 switch (adev->asic_type) {
333 asic_register_table = vega10_allowed_read_registers;
334 size = ARRAY_SIZE(vega10_allowed_read_registers);
340 if (asic_register_table) {
341 for (i = 0; i < size; i++) {
342 asic_register_entry = asic_register_table + i;
343 if (reg_offset != asic_register_entry->reg_offset)
345 if (!asic_register_entry->untouched)
346 *value = asic_register_entry->grbm_indexed ?
347 soc15_read_indexed_register(adev, se_num,
348 sh_num, reg_offset) :
354 for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
355 if (reg_offset != soc15_allowed_read_registers[i].reg_offset)
358 if (!soc15_allowed_read_registers[i].untouched)
359 *value = soc15_allowed_read_registers[i].grbm_indexed ?
360 soc15_read_indexed_register(adev, se_num,
361 sh_num, reg_offset) :
368 static void soc15_gpu_pci_config_reset(struct amdgpu_device *adev)
372 dev_info(adev->dev, "GPU pci config reset\n");
375 pci_clear_master(adev->pdev);
377 amdgpu_pci_config_reset(adev);
381 /* wait for asic to come out of reset */
382 for (i = 0; i < adev->usec_timeout; i++) {
383 if (nbio_v6_1_get_memsize(adev) != 0xffffffff)
390 static int soc15_asic_reset(struct amdgpu_device *adev)
392 amdgpu_atombios_scratch_regs_engine_hung(adev, true);
394 soc15_gpu_pci_config_reset(adev);
396 amdgpu_atombios_scratch_regs_engine_hung(adev, false);
401 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
402 u32 cntl_reg, u32 status_reg)
407 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
411 r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
415 r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
420 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
427 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
429 if (pci_is_root_bus(adev->pdev->bus))
432 if (amdgpu_pcie_gen2 == 0)
435 if (adev->flags & AMD_IS_APU)
438 if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
439 CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
445 static void soc15_program_aspm(struct amdgpu_device *adev)
448 if (amdgpu_aspm == 0)
454 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
457 nbio_v6_1_enable_doorbell_aperture(adev, enable);
458 nbio_v6_1_enable_doorbell_selfring_aperture(adev, enable);
461 static const struct amdgpu_ip_block_version vega10_common_ip_block =
463 .type = AMD_IP_BLOCK_TYPE_COMMON,
467 .funcs = &soc15_common_ip_funcs,
470 int soc15_set_ip_blocks(struct amdgpu_device *adev)
472 nbio_v6_1_detect_hw_virt(adev);
474 switch (adev->asic_type) {
476 amdgpu_ip_block_add(adev, &vega10_common_ip_block);
477 amdgpu_ip_block_add(adev, &gfxhub_v1_0_ip_block);
478 amdgpu_ip_block_add(adev, &mmhub_v1_0_ip_block);
479 amdgpu_ip_block_add(adev, &gmc_v9_0_ip_block);
480 amdgpu_ip_block_add(adev, &vega10_ih_ip_block);
481 if (!amdgpu_sriov_vf(adev))
482 amdgpu_ip_block_add(adev, &psp_v3_1_ip_block);
483 amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
484 amdgpu_ip_block_add(adev, &gfx_v9_0_ip_block);
485 amdgpu_ip_block_add(adev, &sdma_v4_0_ip_block);
486 amdgpu_ip_block_add(adev, &uvd_v7_0_ip_block);
487 amdgpu_ip_block_add(adev, &vce_v4_0_ip_block);
496 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
498 return nbio_v6_1_get_rev_id(adev);
502 int gmc_v9_0_mc_wait_for_idle(struct amdgpu_device *adev)
504 /* to be implemented in MC IP*/
508 static const struct amdgpu_asic_funcs soc15_asic_funcs =
510 .read_disabled_bios = &soc15_read_disabled_bios,
511 .read_bios_from_rom = &soc15_read_bios_from_rom,
512 .read_register = &soc15_read_register,
513 .reset = &soc15_asic_reset,
514 .set_vga_state = &soc15_vga_set_state,
515 .get_xclk = &soc15_get_xclk,
516 .set_uvd_clocks = &soc15_set_uvd_clocks,
517 .set_vce_clocks = &soc15_set_vce_clocks,
518 .get_config_memsize = &soc15_get_config_memsize,
521 static int soc15_common_early_init(void *handle)
523 bool psp_enabled = false;
524 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
526 adev->smc_rreg = NULL;
527 adev->smc_wreg = NULL;
528 adev->pcie_rreg = &soc15_pcie_rreg;
529 adev->pcie_wreg = &soc15_pcie_wreg;
530 adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
531 adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
532 adev->didt_rreg = &soc15_didt_rreg;
533 adev->didt_wreg = &soc15_didt_wreg;
535 adev->asic_funcs = &soc15_asic_funcs;
537 if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP) &&
538 (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_PSP)))
542 * nbio need be used for both sdma and gfx9, but only
545 switch(adev->asic_type) {
547 nbio_v6_1_init(adev);
553 adev->rev_id = soc15_get_rev_id(adev);
554 adev->external_rev_id = 0xFF;
555 switch (adev->asic_type) {
557 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
558 AMD_CG_SUPPORT_GFX_MGLS |
559 AMD_CG_SUPPORT_GFX_RLC_LS |
560 AMD_CG_SUPPORT_GFX_CP_LS |
561 AMD_CG_SUPPORT_GFX_3D_CGCG |
562 AMD_CG_SUPPORT_GFX_3D_CGLS |
563 AMD_CG_SUPPORT_GFX_CGCG |
564 AMD_CG_SUPPORT_GFX_CGLS |
565 AMD_CG_SUPPORT_BIF_MGCG |
566 AMD_CG_SUPPORT_BIF_LS |
567 AMD_CG_SUPPORT_HDP_LS |
568 AMD_CG_SUPPORT_DRM_MGCG |
569 AMD_CG_SUPPORT_DRM_LS |
570 AMD_CG_SUPPORT_ROM_MGCG |
571 AMD_CG_SUPPORT_DF_MGCG |
572 AMD_CG_SUPPORT_SDMA_MGCG |
573 AMD_CG_SUPPORT_SDMA_LS |
574 AMD_CG_SUPPORT_MC_MGCG |
575 AMD_CG_SUPPORT_MC_LS;
577 adev->external_rev_id = 0x1;
580 /* FIXME: not supported yet */
584 adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type);
586 amdgpu_get_pcie_info(adev);
591 static int soc15_common_sw_init(void *handle)
596 static int soc15_common_sw_fini(void *handle)
601 static int soc15_common_hw_init(void *handle)
603 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
605 /* move the golden regs per IP block */
606 soc15_init_golden_registers(adev);
607 /* enable pcie gen2/3 link */
608 soc15_pcie_gen3_enable(adev);
610 soc15_program_aspm(adev);
611 /* enable the doorbell aperture */
612 soc15_enable_doorbell_aperture(adev, true);
617 static int soc15_common_hw_fini(void *handle)
619 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
621 /* disable the doorbell aperture */
622 soc15_enable_doorbell_aperture(adev, false);
627 static int soc15_common_suspend(void *handle)
629 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
631 return soc15_common_hw_fini(adev);
634 static int soc15_common_resume(void *handle)
636 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
638 return soc15_common_hw_init(adev);
641 static bool soc15_common_is_idle(void *handle)
646 static int soc15_common_wait_for_idle(void *handle)
651 static int soc15_common_soft_reset(void *handle)
656 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
660 def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
662 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
663 data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
665 data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
668 WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
671 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
675 def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
677 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
678 data &= ~(0x01000000 |
687 data |= (0x01000000 |
697 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
700 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
704 def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
706 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
712 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
715 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
720 def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
722 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
723 data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
724 CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
726 data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
727 CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
730 WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
733 static void soc15_update_df_medium_grain_clock_gating(struct amdgpu_device *adev,
738 /* Put DF on broadcast mode */
739 data = RREG32(SOC15_REG_OFFSET(DF, 0, mmFabricConfigAccessControl));
740 data &= ~FabricConfigAccessControl__CfgRegInstAccEn_MASK;
741 WREG32(SOC15_REG_OFFSET(DF, 0, mmFabricConfigAccessControl), data);
743 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DF_MGCG)) {
744 data = RREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater));
745 data &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK;
746 data |= DF_MGCG_ENABLE_15_CYCLE_DELAY;
747 WREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater), data);
749 data = RREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater));
750 data &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK;
751 data |= DF_MGCG_DISABLE;
752 WREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater), data);
755 WREG32(SOC15_REG_OFFSET(DF, 0, mmFabricConfigAccessControl),
756 mmFabricConfigAccessControl_DEFAULT);
759 static int soc15_common_set_clockgating_state(void *handle,
760 enum amd_clockgating_state state)
762 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
764 switch (adev->asic_type) {
766 nbio_v6_1_update_medium_grain_clock_gating(adev,
767 state == AMD_CG_STATE_GATE ? true : false);
768 nbio_v6_1_update_medium_grain_light_sleep(adev,
769 state == AMD_CG_STATE_GATE ? true : false);
770 soc15_update_hdp_light_sleep(adev,
771 state == AMD_CG_STATE_GATE ? true : false);
772 soc15_update_drm_clock_gating(adev,
773 state == AMD_CG_STATE_GATE ? true : false);
774 soc15_update_drm_light_sleep(adev,
775 state == AMD_CG_STATE_GATE ? true : false);
776 soc15_update_rom_medium_grain_clock_gating(adev,
777 state == AMD_CG_STATE_GATE ? true : false);
778 soc15_update_df_medium_grain_clock_gating(adev,
779 state == AMD_CG_STATE_GATE ? true : false);
787 static int soc15_common_set_powergating_state(void *handle,
788 enum amd_powergating_state state)
794 const struct amd_ip_funcs soc15_common_ip_funcs = {
795 .name = "soc15_common",
796 .early_init = soc15_common_early_init,
798 .sw_init = soc15_common_sw_init,
799 .sw_fini = soc15_common_sw_fini,
800 .hw_init = soc15_common_hw_init,
801 .hw_fini = soc15_common_hw_fini,
802 .suspend = soc15_common_suspend,
803 .resume = soc15_common_resume,
804 .is_idle = soc15_common_is_idle,
805 .wait_for_idle = soc15_common_wait_for_idle,
806 .soft_reset = soc15_common_soft_reset,
807 .set_clockgating_state = soc15_common_set_clockgating_state,
808 .set_powergating_state = soc15_common_set_powergating_state,