diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h new file mode 100644 index 000000000000..4d88e5cd19fc --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h @@ -0,0 +1,163 @@ +/* SPDX-License-Identifier: MIT */ +/* + * 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_REG_ACCESS_H__ +#define __AMDGPU_REG_ACCESS_H__ + +#include <linux/types.h> +#include <linux/spinlock.h> + +#include "amdgpu_ip.h" + +struct amdgpu_device; + +typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device *, uint32_t); +typedef void (*amdgpu_wreg_t)(struct amdgpu_device *, uint32_t, uint32_t); +typedef uint32_t (*amdgpu_rreg_ext_t)(struct amdgpu_device *, uint64_t); +typedef void (*amdgpu_wreg_ext_t)(struct amdgpu_device *, uint64_t, uint32_t); +typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device *, uint32_t); +typedef void (*amdgpu_wreg64_t)(struct amdgpu_device *, uint32_t, uint64_t); +typedef uint64_t (*amdgpu_rreg64_ext_t)(struct amdgpu_device *, uint64_t); +typedef void (*amdgpu_wreg64_ext_t)(struct amdgpu_device *, uint64_t, uint64_t); + +typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device *, uint32_t, + uint32_t); +typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device *, uint32_t, uint32_t, + uint32_t); +typedef uint64_t (*amdgpu_reg_get_smn_base64_t)(struct amdgpu_device *adev, + enum amd_hw_ip_block_type block, + int die_inst); + +struct amdgpu_reg_ind { + spinlock_t lock; + amdgpu_rreg_t rreg; + amdgpu_wreg_t wreg; +}; + +struct amdgpu_reg_ind_blk { + spinlock_t lock; + amdgpu_block_rreg_t rreg; + amdgpu_block_wreg_t wreg; +}; + +struct amdgpu_reg_pcie_ind { + spinlock_t lock; + amdgpu_rreg_t rreg; + amdgpu_wreg_t wreg; + amdgpu_rreg_ext_t rreg_ext; + amdgpu_wreg_ext_t wreg_ext; + amdgpu_rreg64_t rreg64; + amdgpu_wreg64_t wreg64; + amdgpu_rreg64_ext_t rreg64_ext; + amdgpu_wreg64_ext_t wreg64_ext; + amdgpu_rreg_t port_rreg; + amdgpu_wreg_t port_wreg; +}; + +struct amdgpu_reg_smn_ext { + amdgpu_reg_get_smn_base64_t get_smn_base; +}; + +struct amdgpu_reg_access { + struct amdgpu_reg_ind smc; + struct amdgpu_reg_ind uvd_ctx; + struct amdgpu_reg_ind didt; + struct amdgpu_reg_ind gc_cac; + struct amdgpu_reg_ind se_cac; + struct amdgpu_reg_ind_blk audio_endpt; + struct amdgpu_reg_pcie_ind pcie; + struct amdgpu_reg_smn_ext smn; +}; + +void amdgpu_reg_access_init(struct amdgpu_device *adev); +uint32_t amdgpu_reg_smc_rd32(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_smc_wr32(struct amdgpu_device *adev, uint32_t reg, uint32_t v); +uint32_t amdgpu_reg_uvd_ctx_rd32(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_uvd_ctx_wr32(struct amdgpu_device *adev, uint32_t reg, uint32_t v); +uint32_t amdgpu_reg_didt_rd32(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_didt_wr32(struct amdgpu_device *adev, uint32_t reg, uint32_t v); +uint32_t amdgpu_reg_gc_cac_rd32(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_gc_cac_wr32(struct amdgpu_device *adev, uint32_t reg, + uint32_t v); +uint32_t amdgpu_reg_se_cac_rd32(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_se_cac_wr32(struct amdgpu_device *adev, uint32_t reg, + uint32_t v); +uint32_t amdgpu_reg_audio_endpt_rd32(struct amdgpu_device *adev, uint32_t block, + uint32_t reg); +void amdgpu_reg_audio_endpt_wr32(struct amdgpu_device *adev, uint32_t block, + uint32_t reg, uint32_t v); +uint32_t amdgpu_reg_pcie_rd32(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_pcie_wr32(struct amdgpu_device *adev, uint32_t reg, uint32_t v); +uint32_t amdgpu_reg_pcie_ext_rd32(struct amdgpu_device *adev, uint64_t reg); +void amdgpu_reg_pcie_ext_wr32(struct amdgpu_device *adev, uint64_t reg, + uint32_t v); +uint64_t amdgpu_reg_pcie_rd64(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_pcie_wr64(struct amdgpu_device *adev, uint32_t reg, uint64_t v); +uint64_t amdgpu_reg_pcie_ext_rd64(struct amdgpu_device *adev, uint64_t reg); +void amdgpu_reg_pcie_ext_wr64(struct amdgpu_device *adev, uint64_t reg, + uint64_t v); +uint32_t amdgpu_reg_pciep_rd32(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_reg_pciep_wr32(struct amdgpu_device *adev, uint32_t reg, + uint32_t v); +uint64_t amdgpu_reg_get_smn_base64(struct amdgpu_device *adev, + enum amd_hw_ip_block_type block, + int die_inst); +uint64_t amdgpu_reg_smn_v1_0_get_base(struct amdgpu_device *adev, + enum amd_hw_ip_block_type block, + int die_inst); + +uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, uint32_t reg, + uint32_t acc_flags); +uint32_t amdgpu_device_xcc_rreg(struct amdgpu_device *adev, uint32_t reg, + uint32_t acc_flags, uint32_t xcc_id); +void amdgpu_device_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, + uint32_t acc_flags); +void amdgpu_device_xcc_wreg(struct amdgpu_device *adev, uint32_t reg, + uint32_t v, uint32_t acc_flags, uint32_t xcc_id); +void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, uint32_t reg, + uint32_t v, uint32_t xcc_id); +void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, + uint8_t value); +uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset); + +u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev, u32 reg_addr); +u32 amdgpu_device_indirect_rreg_ext(struct amdgpu_device *adev, u64 reg_addr); +u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev, u32 reg_addr); +u64 amdgpu_device_indirect_rreg64_ext(struct amdgpu_device *adev, u64 reg_addr); +void amdgpu_device_indirect_wreg(struct amdgpu_device *adev, u32 reg_addr, + u32 reg_data); +void amdgpu_device_indirect_wreg_ext(struct amdgpu_device *adev, u64 reg_addr, + u32 reg_data); +void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev, u32 reg_addr, + u64 reg_data); +void amdgpu_device_indirect_wreg64_ext(struct amdgpu_device *adev, u64 reg_addr, + u64 reg_data); + +u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev, u32 reg); +void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev, u32 reg, u32 v); + +uint32_t amdgpu_device_wait_on_rreg(struct amdgpu_device *adev, uint32_t inst, + uint32_t reg_addr, char reg_name[], + uint32_t expected_value, uint32_t mask); + +#endif /* __AMDGPU_REG_ACCESS_H__ */ |