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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_FB_H_
#define _ASM_FB_H_
#include <linux/compiler.h>
#include <linux/efi.h>
#include <linux/string.h>
#include <asm/page.h>
static inline pgprot_t pgprot_framebuffer(pgprot_t prot,
unsigned long vm_start, unsigned long vm_end,
unsigned long offset)
{
if (efi_range_is_wc(vm_start, vm_end - vm_start))
return pgprot_writecombine(prot);
else
return pgprot_noncached(prot);
}
#define pgprot_framebuffer pgprot_framebuffer
static inline void fb_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n)
{
memcpy(to, (void __force *)from, n);
}
#define fb_memcpy_fromio fb_memcpy_fromio
static inline void fb_memcpy_toio(volatile void __iomem *to, const void *from, size_t n)
{
memcpy((void __force *)to, from, n);
}
#define fb_memcpy_toio fb_memcpy_toio
static inline void fb_memset_io(volatile void __iomem *addr, int c, size_t n)
{
memset((void __force *)addr, c, n);
}
#define fb_memset fb_memset_io
#include <asm-generic/fb.h>
#endif /* _ASM_FB_H_ */
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