From: Frank Min <[email protected]> Add imu v13 ip block. V2: clean up code.
Signed-off-by: Frank Min <[email protected]> Signed-off-by: Hawking Zhang <[email protected]> Signed-off-by: Likun Gao <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/Makefile | 3 +- drivers/gpu/drm/amd/amdgpu/imu_v13_0.c | 288 +++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/imu_v13_0.h | 29 +++ 3 files changed, 319 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/amd/amdgpu/imu_v13_0.c create mode 100644 drivers/gpu/drm/amd/amdgpu/imu_v13_0.h diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index 2f708710e020a..92236baf43498 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -170,7 +170,8 @@ amdgpu-y += \ gfx_v12_0.o \ gfx_v12_1.o \ imu_v12_0.o \ - imu_v12_1.o + imu_v12_1.o \ + imu_v13_0.o # add async DMA block amdgpu-y += \ diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v13_0.c b/drivers/gpu/drm/amd/amdgpu/imu_v13_0.c new file mode 100644 index 0000000000000..aea418be444a0 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/imu_v13_0.c @@ -0,0 +1,288 @@ +/* + * Copyright 2025 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 <linux/firmware.h> +#include "amdgpu.h" +#include "amdgpu_imu.h" +#include "amdgpu_dpm.h" + +#include "imu_v13_0.h" + +#include "gc/gc_13_0_1_offset.h" +#include "gc/gc_13_0_1_sh_mask.h" +#include "mmhub/mmhub_5_0_1_offset.h" + +MODULE_FIRMWARE("amdgpu/gc_13_0_1_imu.bin"); + +#define TRANSFER_RAM_MASK 0x001c0000 + +static int imu_v13_0_init_microcode(struct amdgpu_device *adev) +{ + char ucode_prefix[15]; + int err; + const struct imu_firmware_header_v1_0 *imu_hdr; + struct amdgpu_firmware_info *info = NULL; + + DRM_DEBUG("\n"); + + amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix)); + err = amdgpu_ucode_request(adev, &adev->gfx.imu_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s_imu.bin", ucode_prefix); + if (err) + goto out; + + imu_hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data; + adev->gfx.imu_fw_version = le32_to_cpu(imu_hdr->header.ucode_version); + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_I]; + info->ucode_id = AMDGPU_UCODE_ID_IMU_I; + info->fw = adev->gfx.imu_fw; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(imu_hdr->imu_iram_ucode_size_bytes), PAGE_SIZE); + info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_D]; + info->ucode_id = AMDGPU_UCODE_ID_IMU_D; + info->fw = adev->gfx.imu_fw; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(imu_hdr->imu_dram_ucode_size_bytes), PAGE_SIZE); + } + +out: + if (err) { + dev_err(adev->dev, + "gfx13: Failed to load firmware \"%s_imu.bin\"\n", + ucode_prefix); + amdgpu_ucode_release(&adev->gfx.imu_fw); + } + + return err; +} + +static int imu_v13_0_load_microcode(struct amdgpu_device *adev) +{ + const struct imu_firmware_header_v1_0 *hdr; + const __le32 *fw_data; + unsigned i, fw_size; + + if (!adev->gfx.imu_fw) + return -EINVAL; + + hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data; + + fw_data = (const __le32 *)(adev->gfx.imu_fw->data + + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); + fw_size = le32_to_cpu(hdr->imu_iram_ucode_size_bytes) / 4; + + WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_ADDR, 0); + + for (i = 0; i < fw_size; i++) + WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_DATA, le32_to_cpup(fw_data++)); + + WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_ADDR, adev->gfx.imu_fw_version); + + fw_data = (const __le32 *)(adev->gfx.imu_fw->data + + le32_to_cpu(hdr->header.ucode_array_offset_bytes) + + le32_to_cpu(hdr->imu_iram_ucode_size_bytes)); + fw_size = le32_to_cpu(hdr->imu_dram_ucode_size_bytes) / 4; + + WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_ADDR, 0); + + for (i = 0; i < fw_size; i++) + WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_DATA, le32_to_cpup(fw_data++)); + + WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_ADDR, adev->gfx.imu_fw_version); + + return 0; +} + +static int imu_v13_0_wait_for_reset_status(struct amdgpu_device *adev) +{ + u32 imu_reg_val = 0; + int i; + + for (i = 0; i < adev->usec_timeout; i++) { + imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_GFX_RESET_CTRL); + if ((imu_reg_val & 0x1f) == 0x1f) + break; + udelay(1); + } + + if (i >= adev->usec_timeout) { + dev_err(adev->dev, "init imu: IMU start timeout\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static void imu_v13_0_setup(struct amdgpu_device *adev) +{ + u32 imu_reg_val; + + WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL0, 0xffffff); + WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL1, 0xffff); + + if (adev->gfx.imu.mode == DEBUG_MODE) { + imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16); + imu_reg_val |= 0x1; + WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16, imu_reg_val); + + imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10); + imu_reg_val |= 0x10007; + WREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10, imu_reg_val); + + } +} + +static int imu_v13_0_start(struct amdgpu_device *adev) +{ + u32 imu_reg_val; + + imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL); + imu_reg_val &= 0xfffffffe; + WREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL, imu_reg_val); + + if (adev->flags & AMD_IS_APU) + amdgpu_dpm_set_gfx_power_up_by_imu(adev); + + return imu_v13_0_wait_for_reset_status(adev); +} + +static u32 imu_v13_0_grbm_gfx_index_remap(struct amdgpu_device *adev, + u32 data, bool high) +{ + u32 val, inst_index; + + inst_index = REG_GET_FIELD(data, GRBM_GFX_INDEX, INSTANCE_INDEX); + + if (high) + val = inst_index >> 5; + else + val = REG_GET_FIELD(data, GRBM_GFX_INDEX, SE_BROADCAST_WRITES) << 18 | + REG_GET_FIELD(data, GRBM_GFX_INDEX, SA_BROADCAST_WRITES) << 19 | + REG_GET_FIELD(data, GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES) << 20 | + REG_GET_FIELD(data, GRBM_GFX_INDEX, SE_INDEX) << 21 | + REG_GET_FIELD(data, GRBM_GFX_INDEX, SA_INDEX) << 25 | + (inst_index & 0x1f); + + return val; +} + +static u32 imu_v13_init_gfxhub_settings(struct amdgpu_device *adev, + u32 reg, u32 data) +{ + if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_FB_LOCATION_BASE)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_FB_LOCATION_TOP)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_TOP); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_FB_OFFSET)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_AGP_BASE)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_AGP_BOT)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_AGP_TOP)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_START)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_FB_ADDRESS_START); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_END)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_FB_ADDRESS_END); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_SYSMEM_ADDRESS_START)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_SYSMEM_ADDRESS_START); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_SYSMEM_ADDRESS_END)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_SYSMEM_ADDRESS_END); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB); + else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB)) + return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB); + else + return data; +} + +static void program_imu_rlc_ram(struct amdgpu_device *adev, + const u32 *regs, + const u32 array_size) +{ + u32 reg, data, val_h = 0, val_l = TRANSFER_RAM_MASK; + int i; + + if (array_size % 3) + return; + + for (i = 0; i < array_size; i += 3) { + reg = regs[i + 0]; + data = regs[i + 2]; + data = imu_v13_init_gfxhub_settings(adev, reg, data); + if (reg == SOC15_REG_OFFSET(GC, 0, regGRBM_GFX_INDEX)) { + val_l = imu_v13_0_grbm_gfx_index_remap(adev, data, false); + val_h = imu_v13_0_grbm_gfx_index_remap(adev, data, true); + } else { + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, val_h); + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, reg | val_l); + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, data); + } + } +} + +static void imu_v13_0_program_rlc_ram(struct amdgpu_device *adev) +{ + u32 reg_data, size = 0; + const u32 *data; + int r = -EINVAL; + + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, 0x2); + + switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { + case IP_VERSION(13, 0, 1): + if (!r) + program_imu_rlc_ram(adev, data, (const u32)size); + break; + default: + BUG(); + break; + } + + //Indicate the latest entry + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, 0); + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, 0); + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, 0); + + reg_data = RREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX); + reg_data |= GFX_IMU_RLC_RAM_INDEX__RAM_VALID_MASK; + WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, reg_data); +} + +const struct amdgpu_imu_funcs gfx_v13_0_imu_funcs = { + .init_microcode = imu_v13_0_init_microcode, + .load_microcode = imu_v13_0_load_microcode, + .setup_imu = imu_v13_0_setup, + .start_imu = imu_v13_0_start, + .program_rlc_ram = imu_v13_0_program_rlc_ram, + .wait_for_reset_status = imu_v13_0_wait_for_reset_status, +}; diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v13_0.h b/drivers/gpu/drm/amd/amdgpu/imu_v13_0.h new file mode 100644 index 0000000000000..83f041d8cd34d --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/imu_v13_0.h @@ -0,0 +1,29 @@ +/* + * Copyright 2026 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. + * + */ + +#ifndef __IMU_V13_0_H__ +#define __IMU_V13_0_H__ + +extern const struct amdgpu_imu_funcs gfx_v13_0_imu_funcs; + +#endif -- 2.56.0
