// SPDX-License-Identifier: MIT
/*
 * Copyright © 2021 Intel Corporation
 */

#include <drm/drm_managed.h>
#include <drm/drm_print.h>

#include "i915_drv.h"
#include "gt/intel_gt.h"
#include "gt/intel_sa_media.h"

int intel_sa_mediagt_setup(struct intel_gt *gt, phys_addr_t phys_addr,
                           u32 gsi_offset)
{
        struct drm_i915_private *i915 = gt->i915;
        struct intel_uncore *uncore;

        uncore = drmm_kzalloc(&i915->drm, sizeof(*uncore), GFP_KERNEL);
        if (!uncore)
                return -ENOMEM;

        uncore->gsi_offset = gsi_offset;

        gt->irq_lock = to_gt(i915)->irq_lock;
        intel_gt_common_init_early(gt);
        intel_uncore_init_early(uncore, gt);

        /*
         * Standalone media shares the general MMIO space with the primary
         * GT.  We'll reuse the primary GT's mapping.
         */
        uncore->regs = intel_uncore_regs(&i915->uncore);
        if (drm_WARN_ON(&i915->drm, uncore->regs == NULL))
                return -EIO;

        gt->uncore = uncore;
        gt->phys_addr = phys_addr;

        /*
         * For current platforms we can assume there's only a single
         * media GT and cache it for quick lookup.
         */
        drm_WARN_ON(&i915->drm, i915->media_gt);
        i915->media_gt = gt;

        return 0;
}