// SPDX-License-Identifier: MIT

#include "crc.h"
#include "crcc37d.h"
#include "core.h"
#include "disp.h"
#include "head.h"

#include <nvif/pushc37b.h>

#include <nvhw/class/clc57d.h>

static int crcc57d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source,
                           struct nv50_crc_notifier_ctx *ctx)
{
        struct nvif_push *push = &nv50_disp(head->base.base.dev)->core->chan.push;
        const int i = head->base.index;
        u32 crc_args = NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) |
                       NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |
                       NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) |
                       NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE);
        int ret;

        switch (source) {
        case NV50_CRC_SOURCE_TYPE_SOR:
                crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or));
                break;
        case NV50_CRC_SOURCE_TYPE_SF:
                crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF);
                break;
        default:
                break;
        }

        ret = PUSH_WAIT(push, 4);
        if (ret)
                return ret;

        if (source) {
                PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle);
                PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), crc_args);
        } else {
                PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), 0);
                PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);
        }

        return 0;
}

const struct nv50_crc_func crcc57d = {
        .set_src = crcc57d_set_src,
        .set_ctx = crcc37d_set_ctx,
        .get_entry = crcc37d_get_entry,
        .ctx_finished = crcc37d_ctx_finished,
        .flip_threshold = CRCC37D_FLIP_THRESHOLD,
        .num_entries = CRCC37D_MAX_ENTRIES,
        .notifier_len = sizeof(struct crcc37d_notifier),
};