2 * Copyright 2019 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>
26 #include <linux/pci.h>
29 #include "amdgpu_atombios.h"
30 #include "amdgpu_ih.h"
31 #include "amdgpu_uvd.h"
32 #include "amdgpu_vce.h"
33 #include "amdgpu_ucode.h"
34 #include "amdgpu_psp.h"
35 #include "amdgpu_smu.h"
39 #include "gc/gc_10_1_0_offset.h"
40 #include "gc/gc_10_1_0_sh_mask.h"
41 #include "hdp/hdp_5_0_0_offset.h"
42 #include "hdp/hdp_5_0_0_sh_mask.h"
45 #include "soc15_common.h"
46 #include "gmc_v10_0.h"
47 #include "gfxhub_v2_0.h"
48 #include "mmhub_v2_0.h"
50 #include "navi10_ih.h"
51 #include "gfx_v10_0.h"
52 #include "sdma_v5_0.h"
54 #include "dce_virtual.h"
55 #include "mes_v10_1.h"
57 static const struct amd_ip_funcs nv_common_ip_funcs;
60 * Indirect registers accessor
62 static u32 nv_pcie_rreg(struct amdgpu_device *adev, u32 reg)
64 unsigned long flags, address, data;
66 address = adev->nbio_funcs->get_pcie_index_offset(adev);
67 data = adev->nbio_funcs->get_pcie_data_offset(adev);
69 spin_lock_irqsave(&adev->pcie_idx_lock, flags);
71 (void)RREG32(address);
73 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
77 static void nv_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
79 unsigned long flags, address, data;
81 address = adev->nbio_funcs->get_pcie_index_offset(adev);
82 data = adev->nbio_funcs->get_pcie_data_offset(adev);
84 spin_lock_irqsave(&adev->pcie_idx_lock, flags);
86 (void)RREG32(address);
89 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
92 static u32 nv_didt_rreg(struct amdgpu_device *adev, u32 reg)
94 unsigned long flags, address, data;
97 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
98 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
100 spin_lock_irqsave(&adev->didt_idx_lock, flags);
101 WREG32(address, (reg));
103 spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
107 static void nv_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
109 unsigned long flags, address, data;
111 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
112 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
114 spin_lock_irqsave(&adev->didt_idx_lock, flags);
115 WREG32(address, (reg));
117 spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
120 static u32 nv_get_config_memsize(struct amdgpu_device *adev)
122 return adev->nbio_funcs->get_memsize(adev);
125 static u32 nv_get_xclk(struct amdgpu_device *adev)
127 return adev->clock.spll.reference_freq;
131 void nv_grbm_select(struct amdgpu_device *adev,
132 u32 me, u32 pipe, u32 queue, u32 vmid)
134 u32 grbm_gfx_cntl = 0;
135 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
136 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
137 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
138 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
140 WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl);
143 static void nv_vga_set_state(struct amdgpu_device *adev, bool state)
148 static bool nv_read_disabled_bios(struct amdgpu_device *adev)
154 static bool nv_read_bios_from_rom(struct amdgpu_device *adev,
155 u8 *bios, u32 length_bytes)
157 /* TODO: will implement it when SMU header is available */
161 static struct soc15_allowed_register_entry nv_allowed_read_registers[] = {
162 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
163 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
164 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
165 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
166 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
167 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
168 #if 0 /* TODO: will set it when SDMA header is available */
169 { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
170 { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
172 { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
173 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
174 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
175 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
176 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
177 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
178 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
179 { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
180 { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
181 { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
184 static uint32_t nv_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
185 u32 sh_num, u32 reg_offset)
189 mutex_lock(&adev->grbm_idx_mutex);
190 if (se_num != 0xffffffff || sh_num != 0xffffffff)
191 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
193 val = RREG32(reg_offset);
195 if (se_num != 0xffffffff || sh_num != 0xffffffff)
196 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
197 mutex_unlock(&adev->grbm_idx_mutex);
201 static uint32_t nv_get_register_value(struct amdgpu_device *adev,
202 bool indexed, u32 se_num,
203 u32 sh_num, u32 reg_offset)
206 return nv_read_indexed_register(adev, se_num, sh_num, reg_offset);
208 if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
209 return adev->gfx.config.gb_addr_config;
210 return RREG32(reg_offset);
214 static int nv_read_register(struct amdgpu_device *adev, u32 se_num,
215 u32 sh_num, u32 reg_offset, u32 *value)
218 struct soc15_allowed_register_entry *en;
221 for (i = 0; i < ARRAY_SIZE(nv_allowed_read_registers); i++) {
222 en = &nv_allowed_read_registers[i];
224 (adev->reg_offset[en->hwip][en->inst][en->seg] + en->reg_offset))
227 *value = nv_get_register_value(adev,
228 nv_allowed_read_registers[i].grbm_indexed,
229 se_num, sh_num, reg_offset);
236 static void nv_gpu_pci_config_reset(struct amdgpu_device *adev)
240 dev_info(adev->dev, "GPU pci config reset\n");
243 pci_clear_master(adev->pdev);
245 amdgpu_pci_config_reset(adev);
249 /* wait for asic to come out of reset */
250 for (i = 0; i < adev->usec_timeout; i++) {
251 u32 memsize = nbio_v2_3_get_memsize(adev);
252 if (memsize != 0xffffffff)
260 static int nv_asic_mode1_reset(struct amdgpu_device *adev)
265 amdgpu_atombios_scratch_regs_engine_hung(adev, true);
267 dev_info(adev->dev, "GPU mode1 reset\n");
270 pci_clear_master(adev->pdev);
272 pci_save_state(adev->pdev);
274 ret = psp_gpu_reset(adev);
276 dev_err(adev->dev, "GPU mode1 reset failed\n");
278 pci_restore_state(adev->pdev);
280 /* wait for asic to come out of reset */
281 for (i = 0; i < adev->usec_timeout; i++) {
282 u32 memsize = adev->nbio_funcs->get_memsize(adev);
284 if (memsize != 0xffffffff)
289 amdgpu_atombios_scratch_regs_engine_hung(adev, false);
294 static enum amd_reset_method
295 nv_asic_reset_method(struct amdgpu_device *adev)
297 struct smu_context *smu = &adev->smu;
299 if (smu_baco_is_support(smu))
300 return AMD_RESET_METHOD_BACO;
302 return AMD_RESET_METHOD_MODE1;
305 static int nv_asic_reset(struct amdgpu_device *adev)
308 /* FIXME: it doesn't work since vega10 */
310 amdgpu_atombios_scratch_regs_engine_hung(adev, true);
312 nv_gpu_pci_config_reset(adev);
314 amdgpu_atombios_scratch_regs_engine_hung(adev, false);
317 struct smu_context *smu = &adev->smu;
319 if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
320 if (!adev->in_suspend)
321 amdgpu_inc_vram_lost(adev);
322 ret = smu_baco_reset(smu);
324 if (!adev->in_suspend)
325 amdgpu_inc_vram_lost(adev);
326 ret = nv_asic_mode1_reset(adev);
332 static int nv_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
338 static int nv_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
344 static void nv_pcie_gen3_enable(struct amdgpu_device *adev)
346 if (pci_is_root_bus(adev->pdev->bus))
349 if (amdgpu_pcie_gen2 == 0)
352 if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
353 CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
359 static void nv_program_aspm(struct amdgpu_device *adev)
362 if (amdgpu_aspm == 0)
368 static void nv_enable_doorbell_aperture(struct amdgpu_device *adev,
371 adev->nbio_funcs->enable_doorbell_aperture(adev, enable);
372 adev->nbio_funcs->enable_doorbell_selfring_aperture(adev, enable);
375 static const struct amdgpu_ip_block_version nv_common_ip_block =
377 .type = AMD_IP_BLOCK_TYPE_COMMON,
381 .funcs = &nv_common_ip_funcs,
384 static int nv_reg_base_init(struct amdgpu_device *adev)
388 if (amdgpu_discovery) {
389 r = amdgpu_discovery_reg_base_init(adev);
391 DRM_WARN("failed to init reg base from ip discovery table, "
392 "fallback to legacy init method\n");
400 switch (adev->asic_type) {
402 navi10_reg_base_init(adev);
405 navi14_reg_base_init(adev);
408 navi12_reg_base_init(adev);
417 int nv_set_ip_blocks(struct amdgpu_device *adev)
421 /* Set IP register base before any HW register access */
422 r = nv_reg_base_init(adev);
426 adev->nbio_funcs = &nbio_v2_3_funcs;
428 adev->nbio_funcs->detect_hw_virt(adev);
430 switch (adev->asic_type) {
433 amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
434 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
435 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
436 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
437 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
438 is_support_sw_smu(adev))
439 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
440 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
441 amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
442 #if defined(CONFIG_DRM_AMD_DC)
443 else if (amdgpu_device_has_dc_support(adev))
444 amdgpu_device_ip_block_add(adev, &dm_ip_block);
446 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
447 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
448 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
449 is_support_sw_smu(adev))
450 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
451 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
452 if (adev->enable_mes)
453 amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block);
456 amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
457 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
458 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
459 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
460 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
461 is_support_sw_smu(adev))
462 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
463 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
464 amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
465 #if defined(CONFIG_DRM_AMD_DC)
466 else if (amdgpu_device_has_dc_support(adev))
467 amdgpu_device_ip_block_add(adev, &dm_ip_block);
469 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
470 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
471 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
472 is_support_sw_smu(adev))
473 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
474 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
483 static uint32_t nv_get_rev_id(struct amdgpu_device *adev)
485 return adev->nbio_funcs->get_rev_id(adev);
488 static void nv_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
490 adev->nbio_funcs->hdp_flush(adev, ring);
493 static void nv_invalidate_hdp(struct amdgpu_device *adev,
494 struct amdgpu_ring *ring)
496 if (!ring || !ring->funcs->emit_wreg) {
497 WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
499 amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
500 HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
504 static bool nv_need_full_reset(struct amdgpu_device *adev)
509 static void nv_get_pcie_usage(struct amdgpu_device *adev,
516 static bool nv_need_reset_on_init(struct amdgpu_device *adev)
521 if (adev->flags & AMD_IS_APU)
524 /* Check sOS sign of life register to confirm sys driver and sOS
525 * are already been loaded.
527 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
531 /* TODO: re-enable it when mode1 reset is functional */
535 static void nv_init_doorbell_index(struct amdgpu_device *adev)
537 adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ;
538 adev->doorbell_index.mec_ring0 = AMDGPU_NAVI10_DOORBELL_MEC_RING0;
539 adev->doorbell_index.mec_ring1 = AMDGPU_NAVI10_DOORBELL_MEC_RING1;
540 adev->doorbell_index.mec_ring2 = AMDGPU_NAVI10_DOORBELL_MEC_RING2;
541 adev->doorbell_index.mec_ring3 = AMDGPU_NAVI10_DOORBELL_MEC_RING3;
542 adev->doorbell_index.mec_ring4 = AMDGPU_NAVI10_DOORBELL_MEC_RING4;
543 adev->doorbell_index.mec_ring5 = AMDGPU_NAVI10_DOORBELL_MEC_RING5;
544 adev->doorbell_index.mec_ring6 = AMDGPU_NAVI10_DOORBELL_MEC_RING6;
545 adev->doorbell_index.mec_ring7 = AMDGPU_NAVI10_DOORBELL_MEC_RING7;
546 adev->doorbell_index.userqueue_start = AMDGPU_NAVI10_DOORBELL_USERQUEUE_START;
547 adev->doorbell_index.userqueue_end = AMDGPU_NAVI10_DOORBELL_USERQUEUE_END;
548 adev->doorbell_index.gfx_ring0 = AMDGPU_NAVI10_DOORBELL_GFX_RING0;
549 adev->doorbell_index.gfx_ring1 = AMDGPU_NAVI10_DOORBELL_GFX_RING1;
550 adev->doorbell_index.sdma_engine[0] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0;
551 adev->doorbell_index.sdma_engine[1] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE1;
552 adev->doorbell_index.ih = AMDGPU_NAVI10_DOORBELL_IH;
553 adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_NAVI10_DOORBELL64_VCN0_1;
554 adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_NAVI10_DOORBELL64_VCN2_3;
555 adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_NAVI10_DOORBELL64_VCN4_5;
556 adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_NAVI10_DOORBELL64_VCN6_7;
557 adev->doorbell_index.first_non_cp = AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP;
558 adev->doorbell_index.last_non_cp = AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP;
560 adev->doorbell_index.max_assignment = AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT << 1;
561 adev->doorbell_index.sdma_doorbell_range = 20;
564 static const struct amdgpu_asic_funcs nv_asic_funcs =
566 .read_disabled_bios = &nv_read_disabled_bios,
567 .read_bios_from_rom = &nv_read_bios_from_rom,
568 .read_register = &nv_read_register,
569 .reset = &nv_asic_reset,
570 .reset_method = &nv_asic_reset_method,
571 .set_vga_state = &nv_vga_set_state,
572 .get_xclk = &nv_get_xclk,
573 .set_uvd_clocks = &nv_set_uvd_clocks,
574 .set_vce_clocks = &nv_set_vce_clocks,
575 .get_config_memsize = &nv_get_config_memsize,
576 .flush_hdp = &nv_flush_hdp,
577 .invalidate_hdp = &nv_invalidate_hdp,
578 .init_doorbell_index = &nv_init_doorbell_index,
579 .need_full_reset = &nv_need_full_reset,
580 .get_pcie_usage = &nv_get_pcie_usage,
581 .need_reset_on_init = &nv_need_reset_on_init,
584 static int nv_common_early_init(void *handle)
586 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
588 adev->smc_rreg = NULL;
589 adev->smc_wreg = NULL;
590 adev->pcie_rreg = &nv_pcie_rreg;
591 adev->pcie_wreg = &nv_pcie_wreg;
593 /* TODO: will add them during VCN v2 implementation */
594 adev->uvd_ctx_rreg = NULL;
595 adev->uvd_ctx_wreg = NULL;
597 adev->didt_rreg = &nv_didt_rreg;
598 adev->didt_wreg = &nv_didt_wreg;
600 adev->asic_funcs = &nv_asic_funcs;
602 adev->rev_id = nv_get_rev_id(adev);
603 adev->external_rev_id = 0xff;
604 switch (adev->asic_type) {
606 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
607 AMD_CG_SUPPORT_GFX_CGCG |
608 AMD_CG_SUPPORT_IH_CG |
609 AMD_CG_SUPPORT_HDP_MGCG |
610 AMD_CG_SUPPORT_HDP_LS |
611 AMD_CG_SUPPORT_SDMA_MGCG |
612 AMD_CG_SUPPORT_SDMA_LS |
613 AMD_CG_SUPPORT_MC_MGCG |
614 AMD_CG_SUPPORT_MC_LS |
615 AMD_CG_SUPPORT_ATHUB_MGCG |
616 AMD_CG_SUPPORT_ATHUB_LS |
617 AMD_CG_SUPPORT_VCN_MGCG |
618 AMD_CG_SUPPORT_BIF_MGCG |
619 AMD_CG_SUPPORT_BIF_LS;
620 adev->pg_flags = AMD_PG_SUPPORT_VCN |
621 AMD_PG_SUPPORT_VCN_DPG |
622 AMD_PG_SUPPORT_ATHUB;
623 adev->external_rev_id = adev->rev_id + 0x1;
626 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
627 AMD_CG_SUPPORT_GFX_CGCG |
628 AMD_CG_SUPPORT_IH_CG |
629 AMD_CG_SUPPORT_HDP_MGCG |
630 AMD_CG_SUPPORT_HDP_LS |
631 AMD_CG_SUPPORT_SDMA_MGCG |
632 AMD_CG_SUPPORT_SDMA_LS |
633 AMD_CG_SUPPORT_MC_MGCG |
634 AMD_CG_SUPPORT_MC_LS |
635 AMD_CG_SUPPORT_ATHUB_MGCG |
636 AMD_CG_SUPPORT_ATHUB_LS |
637 AMD_CG_SUPPORT_VCN_MGCG |
638 AMD_CG_SUPPORT_BIF_MGCG |
639 AMD_CG_SUPPORT_BIF_LS;
640 adev->pg_flags = AMD_PG_SUPPORT_VCN |
641 AMD_PG_SUPPORT_VCN_DPG;
642 adev->external_rev_id = adev->rev_id + 20;
645 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
646 AMD_CG_SUPPORT_GFX_MGLS |
647 AMD_CG_SUPPORT_GFX_CGCG |
648 AMD_CG_SUPPORT_GFX_CP_LS |
649 AMD_CG_SUPPORT_GFX_RLC_LS |
650 AMD_CG_SUPPORT_IH_CG |
651 AMD_CG_SUPPORT_HDP_MGCG |
652 AMD_CG_SUPPORT_HDP_LS |
653 AMD_CG_SUPPORT_SDMA_MGCG |
654 AMD_CG_SUPPORT_SDMA_LS |
655 AMD_CG_SUPPORT_MC_MGCG |
656 AMD_CG_SUPPORT_MC_LS |
657 AMD_CG_SUPPORT_ATHUB_MGCG |
658 AMD_CG_SUPPORT_ATHUB_LS |
659 AMD_CG_SUPPORT_VCN_MGCG;
660 adev->pg_flags = AMD_PG_SUPPORT_VCN |
661 AMD_PG_SUPPORT_VCN_DPG |
662 AMD_PG_SUPPORT_ATHUB;
663 /* guest vm gets 0xffffffff when reading RCC_DEV0_EPF0_STRAP0,
664 * as a consequence, the rev_id and external_rev_id are wrong.
665 * workaround it by hardcoding rev_id to 0 (default value).
667 if (amdgpu_sriov_vf(adev))
669 adev->external_rev_id = adev->rev_id + 0xa;
672 /* FIXME: not supported yet */
679 static int nv_common_late_init(void *handle)
684 static int nv_common_sw_init(void *handle)
689 static int nv_common_sw_fini(void *handle)
694 static int nv_common_hw_init(void *handle)
696 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
698 /* enable pcie gen2/3 link */
699 nv_pcie_gen3_enable(adev);
701 nv_program_aspm(adev);
702 /* setup nbio registers */
703 adev->nbio_funcs->init_registers(adev);
704 /* enable the doorbell aperture */
705 nv_enable_doorbell_aperture(adev, true);
710 static int nv_common_hw_fini(void *handle)
712 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
714 /* disable the doorbell aperture */
715 nv_enable_doorbell_aperture(adev, false);
720 static int nv_common_suspend(void *handle)
722 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
724 return nv_common_hw_fini(adev);
727 static int nv_common_resume(void *handle)
729 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
731 return nv_common_hw_init(adev);
734 static bool nv_common_is_idle(void *handle)
739 static int nv_common_wait_for_idle(void *handle)
744 static int nv_common_soft_reset(void *handle)
749 static void nv_update_hdp_mem_power_gating(struct amdgpu_device *adev,
752 uint32_t hdp_clk_cntl, hdp_clk_cntl1;
753 uint32_t hdp_mem_pwr_cntl;
755 if (!(adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS |
756 AMD_CG_SUPPORT_HDP_DS |
757 AMD_CG_SUPPORT_HDP_SD)))
760 hdp_clk_cntl = hdp_clk_cntl1 = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
761 hdp_mem_pwr_cntl = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
763 /* Before doing clock/power mode switch,
764 * forced on IPH & RC clock */
765 hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
766 IPH_MEM_CLK_SOFT_OVERRIDE, 1);
767 hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
768 RC_MEM_CLK_SOFT_OVERRIDE, 1);
769 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
771 /* HDP 5.0 doesn't support dynamic power mode switch,
772 * disable clock and power gating before any changing */
773 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
774 IPH_MEM_POWER_CTRL_EN, 0);
775 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
776 IPH_MEM_POWER_LS_EN, 0);
777 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
778 IPH_MEM_POWER_DS_EN, 0);
779 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
780 IPH_MEM_POWER_SD_EN, 0);
781 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
782 RC_MEM_POWER_CTRL_EN, 0);
783 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
784 RC_MEM_POWER_LS_EN, 0);
785 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
786 RC_MEM_POWER_DS_EN, 0);
787 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
788 RC_MEM_POWER_SD_EN, 0);
789 WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
791 /* only one clock gating mode (LS/DS/SD) can be enabled */
792 if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) {
793 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
795 IPH_MEM_POWER_LS_EN, enable);
796 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
798 RC_MEM_POWER_LS_EN, enable);
799 } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_DS) {
800 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
802 IPH_MEM_POWER_DS_EN, enable);
803 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
805 RC_MEM_POWER_DS_EN, enable);
806 } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_SD) {
807 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
809 IPH_MEM_POWER_SD_EN, enable);
810 /* RC should not use shut down mode, fallback to ds */
811 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
813 RC_MEM_POWER_DS_EN, enable);
816 WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
818 /* restore IPH & RC clock override after clock/power mode changing */
819 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl1);
822 static void nv_update_hdp_clock_gating(struct amdgpu_device *adev,
825 uint32_t hdp_clk_cntl;
827 if (!(adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
830 hdp_clk_cntl = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
835 (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
836 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
837 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
838 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
839 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
840 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK);
842 hdp_clk_cntl |= HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
843 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
844 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
845 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
846 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
847 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK;
850 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
853 static int nv_common_set_clockgating_state(void *handle,
854 enum amd_clockgating_state state)
856 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
858 if (amdgpu_sriov_vf(adev))
861 switch (adev->asic_type) {
865 adev->nbio_funcs->update_medium_grain_clock_gating(adev,
866 state == AMD_CG_STATE_GATE ? true : false);
867 adev->nbio_funcs->update_medium_grain_light_sleep(adev,
868 state == AMD_CG_STATE_GATE ? true : false);
869 nv_update_hdp_mem_power_gating(adev,
870 state == AMD_CG_STATE_GATE ? true : false);
871 nv_update_hdp_clock_gating(adev,
872 state == AMD_CG_STATE_GATE ? true : false);
880 static int nv_common_set_powergating_state(void *handle,
881 enum amd_powergating_state state)
887 static void nv_common_get_clockgating_state(void *handle, u32 *flags)
889 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
892 if (amdgpu_sriov_vf(adev))
895 adev->nbio_funcs->get_clockgating_state(adev, flags);
897 /* AMD_CG_SUPPORT_HDP_MGCG */
898 tmp = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
899 if (!(tmp & (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
900 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
901 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
902 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
903 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
904 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK)))
905 *flags |= AMD_CG_SUPPORT_HDP_MGCG;
907 /* AMD_CG_SUPPORT_HDP_LS/DS/SD */
908 tmp = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
909 if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK)
910 *flags |= AMD_CG_SUPPORT_HDP_LS;
911 else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_DS_EN_MASK)
912 *flags |= AMD_CG_SUPPORT_HDP_DS;
913 else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_SD_EN_MASK)
914 *flags |= AMD_CG_SUPPORT_HDP_SD;
919 static const struct amd_ip_funcs nv_common_ip_funcs = {
921 .early_init = nv_common_early_init,
922 .late_init = nv_common_late_init,
923 .sw_init = nv_common_sw_init,
924 .sw_fini = nv_common_sw_fini,
925 .hw_init = nv_common_hw_init,
926 .hw_fini = nv_common_hw_fini,
927 .suspend = nv_common_suspend,
928 .resume = nv_common_resume,
929 .is_idle = nv_common_is_idle,
930 .wait_for_idle = nv_common_wait_for_idle,
931 .soft_reset = nv_common_soft_reset,
932 .set_clockgating_state = nv_common_set_clockgating_state,
933 .set_powergating_state = nv_common_set_powergating_state,
934 .get_clockgating_state = nv_common_get_clockgating_state,