diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c new file mode 100644 index 000000000000..97057f4a10de --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c @@ -0,0 +1,266 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include "amdgpu.h" +#include "amdgpu_atombios.h" +#include "nbio_v6_1.h" + +#include "vega10/soc15ip.h" +#include "vega10/NBIO/nbio_6_1_default.h" +#include "vega10/NBIO/nbio_6_1_offset.h" +#include "vega10/NBIO/nbio_6_1_sh_mask.h" +#include "vega10/vega10_enum.h" + +#define smnCPM_CONTROL 0x11180460 +#define smnPCIE_CNTL2 0x11180070 + +u32 nbio_v6_1_get_rev_id(struct amdgpu_device *adev) +{ + u32 tmp = RREG32(SOC15_REG_OFFSET(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0)); + + tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK; + tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT; + + return tmp; +} + +u32 nbio_v6_1_get_atombios_scratch_regs(struct amdgpu_device *adev, + uint32_t idx) +{ + return RREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIOS_SCRATCH_0) + idx); +} + +void nbio_v6_1_set_atombios_scratch_regs(struct amdgpu_device *adev, + uint32_t idx, uint32_t val) +{ + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIOS_SCRATCH_0) + idx, val); +} + +void nbio_v6_1_mc_access_enable(struct amdgpu_device *adev, bool enable) +{ + if (enable) + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIF_FB_EN), + BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); + else + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIF_FB_EN), 0); +} + +void nbio_v6_1_hdp_flush(struct amdgpu_device *adev) +{ + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL), 0); +} + +u32 nbio_v6_1_get_memsize(struct amdgpu_device *adev) +{ + return RREG32(SOC15_REG_OFFSET(NBIO, 0, mmRCC_PF_0_0_RCC_CONFIG_MEMSIZE)); +} + +static const u32 nbio_sdma_doorbell_range_reg[] = +{ + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE), + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE) +}; + +void nbio_v6_1_sdma_doorbell_range(struct amdgpu_device *adev, int instance, + bool use_doorbell, int doorbell_index) +{ + u32 doorbell_range = RREG32(nbio_sdma_doorbell_range_reg[instance]); + + if (use_doorbell) { + doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index); + doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 2); + } else + doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0); + + WREG32(nbio_sdma_doorbell_range_reg[instance], doorbell_range); +} + +void nbio_v6_1_enable_doorbell_aperture(struct amdgpu_device *adev, + bool enable) +{ + u32 tmp; + + tmp = RREG32(SOC15_REG_OFFSET(NBIO, 0, mmRCC_PF_0_0_RCC_DOORBELL_APER_EN)); + if (enable) + tmp = REG_SET_FIELD(tmp, RCC_PF_0_0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1); + else + tmp = REG_SET_FIELD(tmp, RCC_PF_0_0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0); + + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmRCC_PF_0_0_RCC_DOORBELL_APER_EN), tmp); +} + +void nbio_v6_1_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, + bool enable) +{ + u32 tmp = 0; + + if (enable) { + tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) | + REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) | + REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0); + + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW), + lower_32_bits(adev->doorbell.base)); + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH), + upper_32_bits(adev->doorbell.base)); + } + + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL), tmp); +} + + +void nbio_v6_1_ih_doorbell_range(struct amdgpu_device *adev, + bool use_doorbell, int doorbell_index) +{ + u32 ih_doorbell_range = RREG32(SOC15_REG_OFFSET(NBIO, 0 , mmBIF_IH_DOORBELL_RANGE)); + + if (use_doorbell) { + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index); + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 2); + } else + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0); + + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmBIF_IH_DOORBELL_RANGE), ih_doorbell_range); +} + +void nbio_v6_1_ih_control(struct amdgpu_device *adev) +{ + u32 interrupt_cntl; + + /* setup interrupt control */ + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmINTERRUPT_CNTL2), adev->dummy_page.addr >> 8); + interrupt_cntl = RREG32(SOC15_REG_OFFSET(NBIO, 0, mmINTERRUPT_CNTL)); + /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi + * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN + */ + interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0); + /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */ + interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0); + WREG32(SOC15_REG_OFFSET(NBIO, 0, mmINTERRUPT_CNTL), interrupt_cntl); +} + +void nbio_v6_1_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_PCIE(smnCPM_CONTROL); + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) { + data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_PERM_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | + CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); + } else { + data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_PERM_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | + CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); + } + + if (def != data) + WREG32_PCIE(smnCPM_CONTROL, data); +} + +void nbio_v6_1_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_PCIE(smnPCIE_CNTL2); + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { + data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); + } else { + data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); + } + + if (def != data) + WREG32_PCIE(smnPCIE_CNTL2, data); +} + +void nbio_v6_1_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) +{ + int data; + + /* AMD_CG_SUPPORT_BIF_MGCG */ + data = RREG32_PCIE(smnCPM_CONTROL); + if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK) + *flags |= AMD_CG_SUPPORT_BIF_MGCG; + + /* AMD_CG_SUPPORT_BIF_LS */ + data = RREG32_PCIE(smnPCIE_CNTL2); + if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK) + *flags |= AMD_CG_SUPPORT_BIF_LS; +} + +struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg; +struct nbio_pcie_index_data nbio_v6_1_pcie_index_data; + +int nbio_v6_1_init(struct amdgpu_device *adev) +{ + nbio_v6_1_hdp_flush_reg.hdp_flush_req_offset = SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_REQ); + nbio_v6_1_hdp_flush_reg.hdp_flush_done_offset = SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_DONE); + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK; + nbio_v6_1_hdp_flush_reg.ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK; + + nbio_v6_1_pcie_index_data.index_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX); + nbio_v6_1_pcie_index_data.data_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA); + + return 0; +} + +void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev) +{ + uint32_t reg; + + reg = RREG32(SOC15_REG_OFFSET(NBIO, 0, + mmRCC_PF_0_0_RCC_IOV_FUNC_IDENTIFIER)); + if (reg & 1) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF; + + if (reg & 0x80000000) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV; + + if (!reg) { + if (is_virtual_machine()) /* passthrough mode exclus sriov mod */ + adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; + } +} |