/*
 * Copyright (c) XMEDIA. All rights reserved.
 */
#ifndef __MMZ_ARCH_OPS_HEADER__
#define __MMZ_ARCH_OPS_HEADER__

#if defined(CONFIG_ARM64)
/* this function is used to change memory's property. */
static void dma_pages_remap(struct page *page, size_t size, pgprot_t prot) {}

static void dma_buffer_clear(struct page *page, size_t size)
{
    memset(page_address(page), 0, size);
    __flush_dcache_area(page_address(page), size);
}

static void mmb_dcache_flush(mmz_mmb_t *mmb)
{
    __flush_dcache_area((void *)mmb->kvirt, (size_t)mmb->length);
}

static pgprot_t arch_kern_pgprot(int cache)
{
    if (cache) {
        return PAGE_KERNEL;
    }

    return __pgprot(PROT_NORMAL_NC);
}

#elif defined(CONFIG_ARM)
#include <asm/highmem.h>
#include <asm/pgtable.h>

extern void __dma_clear_buffer(struct page *page, size_t size);

static void dma_buffer_clear(struct page *page, size_t size)
{
    __dma_clear_buffer(page, size);
}

static void mmb_dcache_flush(mmz_mmb_t *mmb)
{
    __cpuc_flush_dcache_area((void *)mmb->kvirt, (size_t)mmb->length);

    outer_flush_range(mmb->phys_addr, mmb->phys_addr + mmb->length);
}

static pgprot_t arch_kern_pgprot(int cache)
{
    if (cache) {
        return pgprot_kernel;
    }

    return pgprot_noncached(pgprot_kernel);
}

#else
#error no proper arch selected(CONFIG_ARM64/CONFIG_ARM)!
#endif

#endif