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// SPDX-License-Identifier: MIT
/*
* Copyright © 2014-2019 Intel Corporation
*/
#include "gt/intel_gt.h"
#include "intel_huc_fw.h"
#include "i915_drv.h"
/**
* intel_huc_fw_init_early() - initializes HuC firmware struct
* @huc: intel_huc struct
*
* On platforms with HuC selects firmware for uploading
*/
void intel_huc_fw_init_early(struct intel_huc *huc)
{
struct intel_gt *gt = huc_to_gt(huc);
struct intel_uc *uc = >->uc;
struct drm_i915_private *i915 = gt->i915;
intel_uc_fw_init_early(&huc->fw, INTEL_UC_FW_TYPE_HUC,
intel_uc_wants_guc(uc),
INTEL_INFO(i915)->platform, INTEL_REVID(i915));
}
/**
* intel_huc_fw_upload() - load HuC uCode to device
* @huc: intel_huc structure
*
* Called from intel_uc_init_hw() during driver load, resume from sleep and
* after a GPU reset. Note that HuC must be loaded before GuC.
*
* The firmware image should have already been fetched into memory, so only
* check that fetch succeeded, and then transfer the image to the h/w.
*
* Return: non-zero code on error
*/
int intel_huc_fw_upload(struct intel_huc *huc)
{
/* HW doesn't look at destination address for HuC, so set it to 0 */
return intel_uc_fw_upload(&huc->fw, 0, HUC_UKERNEL);
}
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