1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2146b7cdbSGreg Ungerer #ifndef _ASM_FB_H_ 3146b7cdbSGreg Ungerer #define _ASM_FB_H_ 4146b7cdbSGreg Ungerer 5146b7cdbSGreg Ungerer #include <linux/fb.h> 6146b7cdbSGreg Ungerer #include <linux/fs.h> 7146b7cdbSGreg Ungerer #include <asm/page.h> 8146b7cdbSGreg Ungerer #include <asm/setup.h> 9146b7cdbSGreg Ungerer 10*d8475179SThomas Zimmermann static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, 11*d8475179SThomas Zimmermann unsigned long off) 12*d8475179SThomas Zimmermann { 13146b7cdbSGreg Ungerer #ifdef CONFIG_MMU 14146b7cdbSGreg Ungerer #ifdef CONFIG_SUN3 15146b7cdbSGreg Ungerer pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE; 1649148020SSam Ravnborg #else 17146b7cdbSGreg Ungerer if (CPU_IS_020_OR_030) 18146b7cdbSGreg Ungerer pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030; 19146b7cdbSGreg Ungerer if (CPU_IS_040_OR_060) { 20146b7cdbSGreg Ungerer pgprot_val(vma->vm_page_prot) &= _CACHEMASK040; 21146b7cdbSGreg Ungerer /* Use no-cache mode, serialized */ 22146b7cdbSGreg Ungerer pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S; 23146b7cdbSGreg Ungerer } 24146b7cdbSGreg Ungerer #endif /* CONFIG_SUN3 */ 25146b7cdbSGreg Ungerer #endif /* CONFIG_MMU */ 26*d8475179SThomas Zimmermann } 27146b7cdbSGreg Ungerer 28146b7cdbSGreg Ungerer static inline int fb_is_primary_device(struct fb_info *info) 29146b7cdbSGreg Ungerer { 30146b7cdbSGreg Ungerer return 0; 31146b7cdbSGreg Ungerer } 32146b7cdbSGreg Ungerer 33146b7cdbSGreg Ungerer #endif /* _ASM_FB_H_ */ 34