168 lines
4.2 KiB
C
168 lines
4.2 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
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* All Rights Reserved.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*/
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#include <linux/firmware.h>
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#include <linux/mfd/core.h>
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#include "amdgpu.h"
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#include "amdgpu_isp.h"
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#include "isp_v4_1_0.h"
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#include "isp_v4_1_1.h"
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/**
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* isp_hw_init - start and test isp block
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*
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* @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
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*
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*/
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static int isp_hw_init(struct amdgpu_ip_block *ip_block)
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{
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struct amdgpu_device *adev = ip_block->adev;
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struct amdgpu_isp *isp = &adev->isp;
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if (isp->funcs->hw_init != NULL)
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return isp->funcs->hw_init(isp);
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return -ENODEV;
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}
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/**
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* isp_hw_fini - stop the hardware block
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*
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* @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
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*
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*/
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static int isp_hw_fini(struct amdgpu_ip_block *ip_block)
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{
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struct amdgpu_isp *isp = &ip_block->adev->isp;
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if (isp->funcs->hw_fini != NULL)
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return isp->funcs->hw_fini(isp);
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return -ENODEV;
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}
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static int isp_load_fw_by_psp(struct amdgpu_device *adev)
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{
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const struct common_firmware_header *hdr;
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char ucode_prefix[10];
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int r = 0;
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/* get isp fw binary name and path */
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amdgpu_ucode_ip_version_decode(adev, ISP_HWIP, ucode_prefix,
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sizeof(ucode_prefix));
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/* read isp fw */
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r = amdgpu_ucode_request(adev, &adev->isp.fw, "amdgpu/%s.bin", ucode_prefix);
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if (r) {
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amdgpu_ucode_release(&adev->isp.fw);
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return r;
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}
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hdr = (const struct common_firmware_header *)adev->isp.fw->data;
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adev->firmware.ucode[AMDGPU_UCODE_ID_ISP].ucode_id =
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AMDGPU_UCODE_ID_ISP;
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adev->firmware.ucode[AMDGPU_UCODE_ID_ISP].fw = adev->isp.fw;
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adev->firmware.fw_size +=
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ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
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return r;
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}
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static int isp_early_init(struct amdgpu_ip_block *ip_block)
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{
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struct amdgpu_device *adev = ip_block->adev;
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struct amdgpu_isp *isp = &adev->isp;
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switch (amdgpu_ip_version(adev, ISP_HWIP, 0)) {
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case IP_VERSION(4, 1, 0):
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isp_v4_1_0_set_isp_funcs(isp);
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break;
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case IP_VERSION(4, 1, 1):
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isp_v4_1_1_set_isp_funcs(isp);
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break;
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default:
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return -EINVAL;
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}
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isp->adev = adev;
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isp->parent = adev->dev;
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if (isp_load_fw_by_psp(adev)) {
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DRM_DEBUG_DRIVER("%s: isp fw load failed\n", __func__);
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return -ENOENT;
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}
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return 0;
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}
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static bool isp_is_idle(void *handle)
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{
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return true;
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}
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static int isp_set_clockgating_state(void *handle,
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enum amd_clockgating_state state)
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{
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return 0;
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}
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static int isp_set_powergating_state(void *handle,
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enum amd_powergating_state state)
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{
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return 0;
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}
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static const struct amd_ip_funcs isp_ip_funcs = {
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.name = "isp_ip",
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.early_init = isp_early_init,
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.hw_init = isp_hw_init,
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.hw_fini = isp_hw_fini,
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.is_idle = isp_is_idle,
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.set_clockgating_state = isp_set_clockgating_state,
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.set_powergating_state = isp_set_powergating_state,
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};
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const struct amdgpu_ip_block_version isp_v4_1_0_ip_block = {
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.type = AMD_IP_BLOCK_TYPE_ISP,
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.major = 4,
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.minor = 1,
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.rev = 0,
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.funcs = &isp_ip_funcs,
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};
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const struct amdgpu_ip_block_version isp_v4_1_1_ip_block = {
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.type = AMD_IP_BLOCK_TYPE_ISP,
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.major = 4,
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.minor = 1,
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.rev = 1,
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.funcs = &isp_ip_funcs,
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};
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