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20905edb24
IP instance map init function can be an common function instead of operation on different ASIC. V2: Create amdgpu_ip.[ch] file for ip related functions. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
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* Copyright 2025 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "amdgpu.h"
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#include "amdgpu_ip.h"
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static int8_t amdgpu_logical_to_dev_inst(struct amdgpu_device *adev,
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enum amd_hw_ip_block_type block,
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int8_t inst)
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{
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int8_t dev_inst;
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switch (block) {
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case GC_HWIP:
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case SDMA0_HWIP:
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/* Both JPEG and VCN as JPEG is only alias of VCN */
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case VCN_HWIP:
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dev_inst = adev->ip_map.dev_inst[block][inst];
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break;
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default:
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/* For rest of the IPs, no look up required.
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* Assume 'logical instance == physical instance' for all configs. */
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dev_inst = inst;
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break;
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}
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return dev_inst;
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}
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static uint32_t amdgpu_logical_to_dev_mask(struct amdgpu_device *adev,
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enum amd_hw_ip_block_type block,
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uint32_t mask)
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{
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uint32_t dev_mask = 0;
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int8_t log_inst, dev_inst;
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while (mask) {
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log_inst = ffs(mask) - 1;
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dev_inst = amdgpu_logical_to_dev_inst(adev, block, log_inst);
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dev_mask |= (1 << dev_inst);
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mask &= ~(1 << log_inst);
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}
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return dev_mask;
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}
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static void amdgpu_populate_ip_map(struct amdgpu_device *adev,
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enum amd_hw_ip_block_type ip_block,
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uint32_t inst_mask)
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{
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int l = 0, i;
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while (inst_mask) {
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i = ffs(inst_mask) - 1;
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adev->ip_map.dev_inst[ip_block][l++] = i;
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inst_mask &= ~(1 << i);
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}
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for (; l < HWIP_MAX_INSTANCE; l++)
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adev->ip_map.dev_inst[ip_block][l] = -1;
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}
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void amdgpu_ip_map_init(struct amdgpu_device *adev)
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{
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u32 ip_map[][2] = {
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{ GC_HWIP, adev->gfx.xcc_mask },
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{ SDMA0_HWIP, adev->sdma.sdma_mask },
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{ VCN_HWIP, adev->vcn.inst_mask },
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(ip_map); ++i)
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amdgpu_populate_ip_map(adev, ip_map[i][0], ip_map[i][1]);
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adev->ip_map.logical_to_dev_inst = amdgpu_logical_to_dev_inst;
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adev->ip_map.logical_to_dev_mask = amdgpu_logical_to_dev_mask;
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}
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