[mirror_ubuntu-focal-kernel.git] / arch / m68k / include / asm / fb.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_FB_H_
#define _ASM_FB_H_

#include <linux/fb.h>
#include <linux/fs.h>
#include <asm/page.h>
#include <asm/setup.h>

#ifdef CONFIG_MMU
#ifdef CONFIG_SUN3
static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
				unsigned long off)
{
	pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
}
#else
static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
				unsigned long off)
{
	if (CPU_IS_020_OR_030)
		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
	if (CPU_IS_040_OR_060) {
		pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
		/* Use no-cache mode, serialized */
		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
	}
}
#endif /* CONFIG_SUN3 */
#else
#define fb_pgprotect(...) do {} while (0)
#endif /* CONFIG_MMU */

static inline int fb_is_primary_device(struct fb_info *info)
{
	return 0;
}

#endif /* _ASM_FB_H_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
146b7cdb GU	2	#ifndef _ASM_FB_H_
	3	#define _ASM_FB_H_
	4
	5	#include <linux/fb.h>
	6	#include <linux/fs.h>
	7	#include <asm/page.h>
	8	#include <asm/setup.h>
	9
	10	#ifdef CONFIG_MMU
	11	#ifdef CONFIG_SUN3
	12	static inline void fb_pgprotect(struct file file, struct vm_area_struct vma,
	13	unsigned long off)
	14	{
	15	pgprot_val(vma->vm_page_prot) \|= SUN3_PAGE_NOCACHE;
	16	}
49148020	17	#else
146b7cdb GU	18	static inline void fb_pgprotect(struct file file, struct vm_area_struct vma,
	19	unsigned long off)
	20	{
	21	if (CPU_IS_020_OR_030)
	22	pgprot_val(vma->vm_page_prot) \|= _PAGE_NOCACHE030;
	23	if (CPU_IS_040_OR_060) {
	24	pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
	25	/* Use no-cache mode, serialized */
	26	pgprot_val(vma->vm_page_prot) \|= _PAGE_NOCACHE_S;
	27	}
	28	}
	29	#endif /* CONFIG_SUN3 */
	30	#else
	31	#define fb_pgprotect(...) do {} while (0)
	32	#endif /* CONFIG_MMU */
	33
	34	static inline int fb_is_primary_device(struct fb_info *info)
	35	{
	36	return 0;
	37	}
	38
	39	#endif /* _ASM_FB_H_ */