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Index of /FSS-OZR/root/sys/dev/char/4:38/subsystem/tty56
Index of /FSS-OZR/root/sys/dev/char/4:38/subsystem/tty56
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( fB-
s_I|+ d /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_GENERIC_FB_H_
#define __ASM_GENERIC_FB_H_
/*
* Only include this header file from your architecture's .
*/
#include
#include
#include
#include
struct device;
#ifndef pgprot_framebuffer
#define pgprot_framebuffer pgprot_framebuffer
static inline pgprot_t pgprot_framebuffer(pgprot_t prot,
unsigned long vm_start, unsigned long vm_end,
unsigned long offset)
{
return pgprot_writecombine(prot);
}
#endif
#ifndef video_is_primary_device
#define video_is_primary_device video_is_primary_device
static inline bool video_is_primary_device(struct device *dev)
{
return false;
}
#endif
/*
* I/O helpers for the framebuffer. Prefer these functions over their
* regular counterparts. The regular I/O functions provide in-order
* access and swap bytes to/from little-endian ordering. Neither is
* required for framebuffers. Instead, the helpers read and write
* raw framebuffer data. Independent operations can be reordered for
* improved performance.
*/
#ifndef fb_readb
static inline u8 fb_readb(const volatile void __iomem *addr)
{
return __raw_readb(addr);
}
#define fb_readb fb_readb
#endif
#ifndef fb_readw
static inline u16 fb_readw(const volatile void __iomem *addr)
{
return __raw_readw(addr);
}
#define fb_readw fb_readw
#endif
#ifndef fb_readl
static inline u32 fb_readl(const volatile void __iomem *addr)
{
return __raw_readl(addr);
}
#define fb_readl fb_readl
#endif
#ifndef fb_readq
#if defined(__raw_readq)
static inline u64 fb_readq(const volatile void __iomem *addr)
{
return __raw_readq(addr);
}
#define fb_readq fb_readq
#endif
#endif
#ifndef fb_writeb
static inline void fb_writeb(u8 b, volatile void __iomem *addr)
{
__raw_writeb(b, addr);
}
#define fb_writeb fb_writeb
#endif
#ifndef fb_writew
static inline void fb_writew(u16 b, volatile void __iomem *addr)
{
__raw_writew(b, addr);
}
#define fb_writew fb_writew
#endif
#ifndef fb_writel
static inline void fb_writel(u32 b, volatile void __iomem *addr)
{
__raw_writel(b, addr);
}
#define fb_writel fb_writel
#endif
#ifndef fb_writeq
#if defined(__raw_writeq)
static inline void fb_writeq(u64 b, volatile void __iomem *addr)
{
__raw_writeq(b, addr);
}
#define fb_writeq fb_writeq
#endif
#endif
#ifndef fb_memcpy_fromio
static inline void fb_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n)
{
memcpy_fromio(to, from, n);
}
#define fb_memcpy_fromio fb_memcpy_fromio
#endif
#ifndef fb_memcpy