arch/sparc/include/asm/video.h

Source file repositories/reference/linux-study-clean/arch/sparc/include/asm/video.h

File Facts

System
Linux kernel
Corpus path
arch/sparc/include/asm/video.h
Extension
.h
Size
1082 bytes
Lines
48
Domain
Architecture Layer
Bucket
arch/sparc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _SPARC_VIDEO_H_
#define _SPARC_VIDEO_H_

#include <linux/io.h>
#include <linux/types.h>

#include <asm/page.h>

struct device;

#ifdef CONFIG_SPARC32
static inline pgprot_t pgprot_framebuffer(pgprot_t prot,
					  unsigned long vm_start, unsigned long vm_end,
					  unsigned long offset)
{
	return prot;
}
#define pgprot_framebuffer pgprot_framebuffer
#endif

#ifdef CONFIG_VIDEO
bool video_is_primary_device(struct device *dev);
#define video_is_primary_device video_is_primary_device
#endif

static inline void fb_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n)
{
	sbus_memcpy_fromio(to, 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)
{
	sbus_memcpy_toio(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)
{
	sbus_memset_io(addr, c, n);
}
#define fb_memset fb_memset_io

#include <asm-generic/video.h>

#endif /* _SPARC_VIDEO_H_ */

Annotation

Implementation Notes