diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c new file mode 100644 index 000000000000..4766e99dd98f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved. + * All Rights Reserved. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + */ + +#include <linux/firmware.h> +#include <linux/mfd/core.h> + +#include "amdgpu.h" +#include "amdgpu_isp.h" +#include "isp_v4_1_0.h" +#include "isp_v4_1_1.h" + +static int isp_sw_init(void *handle) +{ + return 0; +} + +static int isp_sw_fini(void *handle) +{ + return 0; +} + +/** + * isp_hw_init - start and test isp block + * + * @handle: handle for amdgpu_device pointer + * + */ +static int isp_hw_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_isp *isp = &adev->isp; + + const struct amdgpu_ip_block *ip_block = + amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_ISP); + + if (!ip_block) + return -EINVAL; + + if (isp->funcs->hw_init != NULL) + return isp->funcs->hw_init(isp); + + return -ENODEV; +} + +/** + * isp_hw_fini - stop the hardware block + * + * @handle: handle for amdgpu_device pointer + * + */ +static int isp_hw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_isp *isp = &adev->isp; + + if (isp->funcs->hw_fini != NULL) + return isp->funcs->hw_fini(isp); + + return -ENODEV; +} + +static int isp_suspend(void *handle) +{ + return 0; +} + +static int isp_resume(void *handle) +{ + return 0; +} + +static int isp_load_fw_by_psp(struct amdgpu_device *adev) +{ + const struct common_firmware_header *hdr; + char ucode_prefix[10]; + int r = 0; + + /* get isp fw binary name and path */ + amdgpu_ucode_ip_version_decode(adev, ISP_HWIP, ucode_prefix, + sizeof(ucode_prefix)); + + /* read isp fw */ + r = amdgpu_ucode_request(adev, &adev->isp.fw, "amdgpu/%s.bin", ucode_prefix); + if (r) { + amdgpu_ucode_release(&adev->isp.fw); + return r; + } + + hdr = (const struct common_firmware_header *)adev->isp.fw->data; + + adev->firmware.ucode[AMDGPU_UCODE_ID_ISP].ucode_id = + AMDGPU_UCODE_ID_ISP; + adev->firmware.ucode[AMDGPU_UCODE_ID_ISP].fw = adev->isp.fw; + + adev->firmware.fw_size += + ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE); + + return r; +} + +static int isp_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_isp *isp = &adev->isp; + + switch (amdgpu_ip_version(adev, ISP_HWIP, 0)) { + case IP_VERSION(4, 1, 0): + isp_v4_1_0_set_isp_funcs(isp); + break; + case IP_VERSION(4, 1, 1): + isp_v4_1_1_set_isp_funcs(isp); + break; + default: + return -EINVAL; + } + + isp->adev = adev; + isp->parent = adev->dev; + + if (isp_load_fw_by_psp(adev)) { + DRM_DEBUG_DRIVER("%s: isp fw load failed\n", __func__); + return -ENOENT; + } + + return 0; +} + +static bool isp_is_idle(void *handle) +{ + return true; +} + +static int isp_wait_for_idle(void *handle) +{ + return 0; +} + +static int isp_soft_reset(void *handle) +{ + return 0; +} + +static int isp_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + return 0; +} + +static int isp_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +static const struct amd_ip_funcs isp_ip_funcs = { + .name = "isp_ip", + .early_init = isp_early_init, + .late_init = NULL, + .sw_init = isp_sw_init, + .sw_fini = isp_sw_fini, + .hw_init = isp_hw_init, + .hw_fini = isp_hw_fini, + .suspend = isp_suspend, + .resume = isp_resume, + .is_idle = isp_is_idle, + .wait_for_idle = isp_wait_for_idle, + .soft_reset = isp_soft_reset, + .set_clockgating_state = isp_set_clockgating_state, + .set_powergating_state = isp_set_powergating_state, +}; + +const struct amdgpu_ip_block_version isp_v4_1_0_ip_block = { + .type = AMD_IP_BLOCK_TYPE_ISP, + .major = 4, + .minor = 1, + .rev = 0, + .funcs = &isp_ip_funcs, +}; + +const struct amdgpu_ip_block_version isp_v4_1_1_ip_block = { + .type = AMD_IP_BLOCK_TYPE_ISP, + .major = 4, + .minor = 1, + .rev = 1, + .funcs = &isp_ip_funcs, +}; |