diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ip.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ip.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ip.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ip.h new file mode 100644 index 000000000000..1d0df6d93957 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ip.h @@ -0,0 +1,154 @@ +/* + * 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. + * + */ + +#ifndef __AMDGPU_IP_H__ +#define __AMDGPU_IP_H__ + +#include "amd_shared.h" + +struct amdgpu_device; + +/* Define the HW IP blocks will be used in driver , add more if necessary */ +enum amd_hw_ip_block_type { + GC_HWIP = 1, + HDP_HWIP, + SDMA0_HWIP, + SDMA1_HWIP, + SDMA2_HWIP, + SDMA3_HWIP, + SDMA4_HWIP, + SDMA5_HWIP, + SDMA6_HWIP, + SDMA7_HWIP, + LSDMA_HWIP, + MMHUB_HWIP, + ATHUB_HWIP, + NBIO_HWIP, + MP0_HWIP, + MP1_HWIP, + UVD_HWIP, + VCN_HWIP = UVD_HWIP, + JPEG_HWIP = VCN_HWIP, + VCN1_HWIP, + VCE_HWIP, + VPE_HWIP, + DF_HWIP, + DCE_HWIP, + OSSSYS_HWIP, + SMUIO_HWIP, + PWR_HWIP, + NBIF_HWIP, + THM_HWIP, + CLK_HWIP, + UMC_HWIP, + RSMU_HWIP, + XGMI_HWIP, + DCI_HWIP, + PCIE_HWIP, + ISP_HWIP, + ATU_HWIP, + AIGC_HWIP, + MAX_HWIP +}; + +#define HWIP_MAX_INSTANCE 48 + +#define HW_ID_MAX 300 +#define IP_VERSION_FULL(mj, mn, rv, var, srev) \ + (((mj) << 24) | ((mn) << 16) | ((rv) << 8) | ((var) << 4) | (srev)) +#define IP_VERSION(mj, mn, rv) IP_VERSION_FULL(mj, mn, rv, 0, 0) +#define IP_VERSION_MAJ(ver) ((ver) >> 24) +#define IP_VERSION_MIN(ver) (((ver) >> 16) & 0xFF) +#define IP_VERSION_REV(ver) (((ver) >> 8) & 0xFF) +#define IP_VERSION_VARIANT(ver) (((ver) >> 4) & 0xF) +#define IP_VERSION_SUBREV(ver) ((ver) & 0xF) +#define IP_VERSION_MAJ_MIN_REV(ver) ((ver) >> 8) + +struct amdgpu_ip_map_info { + /* Map of logical to actual dev instances/mask */ + uint32_t dev_inst[MAX_HWIP][HWIP_MAX_INSTANCE]; + int8_t (*logical_to_dev_inst)(struct amdgpu_device *adev, + enum amd_hw_ip_block_type block, + int8_t inst); + uint32_t (*logical_to_dev_mask)(struct amdgpu_device *adev, + enum amd_hw_ip_block_type block, + uint32_t mask); +}; + +#define AMDGPU_MAX_IP_NUM AMD_IP_BLOCK_TYPE_NUM + +struct amdgpu_ip_block_status { + bool valid; + bool sw; + bool hw; + bool late_initialized; + bool hang; +}; + +struct amdgpu_ip_block_version { + const enum amd_ip_block_type type; + const u32 major; + const u32 minor; + const u32 rev; + const struct amd_ip_funcs *funcs; +}; + +struct amdgpu_ip_block { + struct amdgpu_ip_block_status status; + const struct amdgpu_ip_block_version *version; + struct amdgpu_device *adev; +}; + +void amdgpu_ip_map_init(struct amdgpu_device *adev); + +int amdgpu_ip_block_suspend(struct amdgpu_ip_block *ip_block); +int amdgpu_ip_block_resume(struct amdgpu_ip_block *ip_block); + +struct amdgpu_ip_block * +amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, + enum amd_ip_block_type type); + +int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, + enum amd_ip_block_type type, u32 major, + u32 minor); + +int amdgpu_device_ip_block_add( + struct amdgpu_device *adev, + const struct amdgpu_ip_block_version *ip_block_version); + +int amdgpu_device_ip_set_clockgating_state(struct amdgpu_device *adev, + enum amd_ip_block_type block_type, + enum amd_clockgating_state state); +int amdgpu_device_ip_set_powergating_state(struct amdgpu_device *adev, + enum amd_ip_block_type block_type, + enum amd_powergating_state state); +void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, + u64 *flags); +int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, + enum amd_ip_block_type block_type); +bool amdgpu_device_ip_is_hw(struct amdgpu_device *adev, + enum amd_ip_block_type block_type); +bool amdgpu_device_ip_is_valid(struct amdgpu_device *adev, + enum amd_ip_block_type block_type); + +#endif /* __AMDGPU_IP_H__ */ |