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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * linux/include/asm-m68k/raw_io.h
 *
 * 10/20/00 RZ: - created from bits of io.h and ide.h to cleanup namespace
 *
 */

#ifndef _RAW_IO_H
#define _RAW_IO_H

#ifdef __KERNEL__

#include <asm/byteorder.h>


/* Values for nocacheflag and cmode */
#define IOMAP_FULL_CACHING		0
#define IOMAP_NOCACHE_SER		1
#define IOMAP_NOCACHE_NONSER		2
#define IOMAP_WRITETHROUGH		3

extern void iounmap(void __iomem *addr);

extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
		       int cacheflag);
extern void __iounmap(void *addr, unsigned long size);


/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
 * two accesses to memory, which may be undesirable for some devices.
 */
#define in_8(addr) \
    ({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
#define in_be16(addr) \
    ({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
#define in_be32(addr) \
    ({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
#define in_le16(addr) \
    ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
#define in_le32(addr) \
    ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })

#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l))

#define raw_inb in_8
#define raw_inw in_be16
#define raw_inl in_be32
#define __raw_readb in_8
#define __raw_readw in_be16
#define __raw_readl in_be32

#define raw_outb(val,port) out_8((port),(val))
#define raw_outw(val,port) out_be16((port),(val))
#define raw_outl(val,port) out_be32((port),(val))
#define __raw_writeb(val,addr) out_8((addr),(val))
#define __raw_writew(val,addr) out_be16((addr),(val))
#define __raw_writel(val,addr) out_be32((addr),(val))

/*
 * Atari ROM port (cartridge port) ISA adapter, used for the EtherNEC NE2000
 * network card driver.
 * The ISA adapter connects address lines A9-A13 to ISA address lines A0-A4,
 * and hardwires the rest of the ISA addresses for a base address of 0x300.
 *
 * Data lines D8-D15 are connected to ISA data lines D0-D7 for reading.
 * For writes, address lines A1-A8 are latched to ISA data lines D0-D7
 * (meaning the bit pattern on A1-A8 can be read back as byte).
 *
 * Read and write operations are distinguished by the base address used:
 * reads are from the ROM A side range, writes are through the B side range
 * addresses (A side base + 0x10000).
 *
 * Reads and writes are byte only.
 *
 * 16 bit reads and writes are necessary for the NetUSBee adapter's USB
 * chipset - 16 bit words are read straight off the ROM port while 16 bit
 * reads are split into two byte writes. The low byte is latched to the
 * NetUSBee buffer by a read from the _read_ window (with the data pattern
 * asserted as A1-A8 address pattern). The high byte is then written to the
 * write range as usual, completing the write cycle.
 */

#if defined(CONFIG_ATARI_ROM_ISA)
#define rom_in_8(addr) \
	({ u16 __v = (*(__force volatile u16 *) (addr)); __v >>= 8; __v; })
#define rom_in_be16(addr) \
	({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
#define rom_in_le16(addr) \
	({ u16 __v = le16_to_cpu(*(__force volatile u16 *) (addr)); __v; })

#define rom_out_8(addr, b)	\
	({u8 __w, __v = (b);  u32 _addr = ((u32) (addr)); \
	__w = ((*(__force volatile u8 *)  ((_addr | 0x10000) + (__v<<1)))); })
#define rom_out_be16(addr, w)	\
	({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
	__w = ((*(__force volatile u16 *) ((_addr & 0xFFFF0000UL) + ((__v & 0xFF)<<1)))); \
	__w = ((*(__force volatile u16 *) ((_addr | 0x10000) + ((__v >> 8)<<1)))); })
#define rom_out_le16(addr, w)	\
	({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
	__w = ((*(__force volatile u16 *) ((_addr & 0xFFFF0000UL) + ((__v >> 8)<<1)))); \
	__w = ((*(__force volatile u16 *) ((_addr | 0x10000) + ((__v & 0xFF)<<1)))); })

#define raw_rom_inb rom_in_8
#define raw_rom_inw rom_in_be16

#define raw_rom_outb(val, port) rom_out_8((port), (val))
#define raw_rom_outw(val, port) rom_out_be16((port), (val))
#endif /* CONFIG_ATARI_ROM_ISA */

static inline void raw_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len)
{
	unsigned int i;

        for (i = 0; i < len; i++)
		*buf++ = in_8(port);
}

static inline void raw_outsb(volatile u8 __iomem *port, const u8 *buf,
			     unsigned int len)
{
	unsigned int i;

        for (i = 0; i < len; i++)
		out_8(port, *buf++);
}

static inline void raw_insw(volatile u16 __iomem *port, u16 *buf, unsigned int nr)
{
	unsigned int tmp;

	if (nr & 15) {
		tmp = (nr & 15) - 1;
		asm volatile (
			"1: movew %2@,%0@+; dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
	if (nr >> 4) {
		tmp = (nr >> 4) - 1;
		asm volatile (
			"1: "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"movew %2@,%0@+; "
			"dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
}

static inline void raw_outsw(volatile u16 __iomem *port, const u16 *buf,
			     unsigned int nr)
{
	unsigned int tmp;

	if (nr & 15) {
		tmp = (nr & 15) - 1;
		asm volatile (
			"1: movew %0@+,%2@; dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
	if (nr >> 4) {
		tmp = (nr >> 4) - 1;
		asm volatile (
			"1: "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"movew %0@+,%2@; "
			"dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
}

static inline void raw_insl(volatile u32 __iomem *port, u32 *buf, unsigned int nr)
{
	unsigned int tmp;

	if (nr & 15) {
		tmp = (nr & 15) - 1;
		asm volatile (
			"1: movel %2@,%0@+; dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
	if (nr >> 4) {
		tmp = (nr >> 4) - 1;
		asm volatile (
			"1: "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"movel %2@,%0@+; "
			"dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
}

static inline void raw_outsl(volatile u32 __iomem *port, const u32 *buf,
			     unsigned int nr)
{
	unsigned int tmp;

	if (nr & 15) {
		tmp = (nr & 15) - 1;
		asm volatile (
			"1: movel %0@+,%2@; dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
	if (nr >> 4) {
		tmp = (nr >> 4) - 1;
		asm volatile (
			"1: "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"movel %0@+,%2@; "
			"dbra %1,1b"
			: "=a" (buf), "=d" (tmp)
			: "a" (port), "0" (buf),
			  "1" (tmp));
	}
}


static inline void raw_insw_swapw(volatile u16 __iomem *port, u16 *buf,
				  unsigned int nr)
{
    if ((nr) % 8)
	__asm__ __volatile__
	       ("\tmovel %0,%/a0\n\t"
		"movel %1,%/a1\n\t"
		"movel %2,%/d6\n\t"
		"subql #1,%/d6\n"
		"1:\tmovew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"dbra %/d6,1b"
		:
		: "g" (port), "g" (buf), "g" (nr)
		: "d0", "a0", "a1", "d6");
    else
	__asm__ __volatile__
	       ("movel %0,%/a0\n\t"
		"movel %1,%/a1\n\t"
		"movel %2,%/d6\n\t"
		"lsrl  #3,%/d6\n\t"
		"subql #1,%/d6\n"
		"1:\tmovew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"movew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"movew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"movew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"movew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"movew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"movew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"movew %/a0@,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a1@+\n\t"
		"dbra %/d6,1b"
                :
		: "g" (port), "g" (buf), "g" (nr)
		: "d0", "a0", "a1", "d6");
}

static inline void raw_outsw_swapw(volatile u16 __iomem *port, const u16 *buf,
				   unsigned int nr)
{
    if ((nr) % 8)
	__asm__ __volatile__
	       ("movel %0,%/a0\n\t"
		"movel %1,%/a1\n\t"
		"movel %2,%/d6\n\t"
		"subql #1,%/d6\n"
		"1:\tmovew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"dbra %/d6,1b"
                :
		: "g" (port), "g" (buf), "g" (nr)
		: "d0", "a0", "a1", "d6");
    else
	__asm__ __volatile__
	       ("movel %0,%/a0\n\t"
		"movel %1,%/a1\n\t"
		"movel %2,%/d6\n\t"
		"lsrl  #3,%/d6\n\t"
		"subql #1,%/d6\n"
		"1:\tmovew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"movew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"movew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"movew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"movew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"movew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"movew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"movew %/a1@+,%/d0\n\t"
		"rolw  #8,%/d0\n\t"
		"movew %/d0,%/a0@\n\t"
		"dbra %/d6,1b"
                :
		: "g" (port), "g" (buf), "g" (nr)
		: "d0", "a0", "a1", "d6");
}


#if defined(CONFIG_ATARI_ROM_ISA)
static inline void raw_rom_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len)
{
	unsigned int i;

	for (i = 0; i < len; i++)
		*buf++ = rom_in_8(port);
}

static inline void raw_rom_outsb(volatile u8 __iomem *port, const u8 *buf,
			     unsigned int len)
{
	unsigned int i;

	for (i = 0; i < len; i++)
		rom_out_8(port, *buf++);
}

static inline void raw_rom_insw(volatile u16 __iomem *port, u16 *buf,
				   unsigned int nr)
{
	unsigned int i;

	for (i = 0; i < nr; i++)
		*buf++ = rom_in_be16(port);
}

static inline void raw_rom_outsw(volatile u16 __iomem *port, const u16 *buf,
				   unsigned int nr)
{
	unsigned int i;

	for (i = 0; i < nr; i++)
		rom_out_be16(port, *buf++);
}

static inline void raw_rom_insw_swapw(volatile u16 __iomem *port, u16 *buf,
				   unsigned int nr)
{
	unsigned int i;

	for (i = 0; i < nr; i++)
		*buf++ = rom_in_le16(port);
}

static inline void raw_rom_outsw_swapw(volatile u16 __iomem *port, const u16 *buf,
				   unsigned int nr)
{
	unsigned int i;

	for (i = 0; i < nr; i++)
		rom_out_le16(port, *buf++);
}
#endif /* CONFIG_ATARI_ROM_ISA */

#endif /* __KERNEL__ */

#endif /* _RAW_IO_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 599 B 0644
MC68328.h File 37.82 KB 0644
MC68EZ328.h File 37.74 KB 0644
MC68VZ328.h File 41.02 KB 0644
a.out-core.h File 1.98 KB 0644
adb_iop.h File 1.09 KB 0644
amigahw.h File 10.49 KB 0644
amigaints.h File 3.5 KB 0644
amigayle.h File 3.19 KB 0644
amipcmcia.h File 2.51 KB 0644
apollohw.h File 2.35 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 211 B 0644
atafd.h File 300 B 0644
atafdreg.h File 2.68 KB 0644
atari_joystick.h File 457 B 0644
atari_stdma.h File 514 B 0644
atari_stram.h File 528 B 0644
atarihw.h File 20.3 KB 0644
atariints.h File 5.56 KB 0644
atarikb.h File 1.4 KB 0644
atomic.h File 4.86 KB 0644
bitops.h File 12.19 KB 0644
blinken.h File 641 B 0644
bootinfo.h File 783 B 0644
bootstd.h File 4.64 KB 0644
bug.h File 659 B 0644
bugs.h File 369 B 0644
bvme6000hw.h File 3.45 KB 0644
cache.h File 296 B 0644
cacheflush.h File 133 B 0644
cacheflush_mm.h File 6.92 KB 0644
cacheflush_no.h File 2.61 KB 0644
checksum.h File 3.4 KB 0644
cmpxchg.h File 3.34 KB 0644
coldfire.h File 1.61 KB 0644
contregs.h File 3.31 KB 0644
current.h File 580 B 0644
delay.h File 3.43 KB 0644
div64.h File 858 B 0644
dma-mapping.h File 291 B 0644
dma.h File 16.65 KB 0644
dsp56k.h File 1.24 KB 0644
dvma.h File 9.67 KB 0644
elf.h File 3.07 KB 0644
entry.h File 5.76 KB 0644
export.h File 74 B 0644
fb.h File 921 B 0644
fbio.h File 9.87 KB 0644
flat.h File 1.02 KB 0644
floppy.h File 5.06 KB 0644
fpu.h File 535 B 0644
ftrace.h File 12 B 0644
gpio.h File 2.64 KB 0644
hardirq.h File 594 B 0644
hash.h File 2.07 KB 0644
hp300hw.h File 186 B 0644
hwtest.h File 467 B 0644
ide.h File 1.67 KB 0644
idprom.h File 725 B 0644
intersil.h File 1.11 KB 0644
io.h File 383 B 0644
io_mm.h File 16.19 KB 0644
io_no.h File 5.26 KB 0644
irq.h File 2.57 KB 0644
irqflags.h File 1.61 KB 0644
kexec.h File 732 B 0644
linkage.h File 1.55 KB 0644
m5206sim.h File 6.4 KB 0644
m520xsim.h File 7.15 KB 0644
m523xsim.h File 7.7 KB 0644
m525xsim.h File 10.57 KB 0644
m5272sim.h File 6.05 KB 0644
m527xsim.h File 13.51 KB 0644
m528xsim.h File 9.37 KB 0644
m52xxacr.h File 3.57 KB 0644
m5307sim.h File 7.52 KB 0644
m53xxacr.h File 3.6 KB 0644
m53xxsim.h File 53.97 KB 0644
m5407sim.h File 6.14 KB 0644
m5441xsim.h File 8.5 KB 0644
m54xxacr.h File 4.82 KB 0644
m54xxgpt.h File 3.66 KB 0644
m54xxpci.h File 6.13 KB 0644
m54xxsim.h File 3.8 KB 0644
mac_asc.h File 520 B 0644
mac_baboon.h File 999 B 0644
mac_iop.h File 5.37 KB 0644
mac_oss.h File 1.83 KB 0644
mac_psc.h File 7.25 KB 0644
mac_via.h File 11.44 KB 0644
machdep.h File 1.34 KB 0644
machines.h File 3.13 KB 0644
machw.h File 588 B 0644
macintosh.h File 2.02 KB 0644
macints.h File 3.28 KB 0644
math-emu.h File 6.74 KB 0644
mc146818rtc.h File 598 B 0644
mcf8390.h File 3.75 KB 0644
mcf_pgalloc.h File 2.37 KB 0644
mcf_pgtable.h File 9.89 KB 0644
mcfclk.h File 1.01 KB 0644
mcfdma.h File 6.51 KB 0644
mcfgpio.h File 8.48 KB 0644
mcfintc.h File 3.09 KB 0644
mcfmmu.h File 3.67 KB 0644
mcfpit.h File 2.22 KB 0644
mcfqspi.h File 1.82 KB 0644
mcfsim.h File 1.5 KB 0644
mcfslt.h File 1.21 KB 0644
mcftimer.h File 2.3 KB 0644
mcfuart.h File 6.91 KB 0644
mcfwdebug.h File 4.99 KB 0644
mmu.h File 243 B 0644
mmu_context.h File 7.2 KB 0644
mmzone.h File 264 B 0644
module.h File 847 B 0644
motorola_pgalloc.h File 2.26 KB 0644
motorola_pgtable.h File 9.2 KB 0644
movs.h File 1.44 KB 0644
mvme147hw.h File 2.81 KB 0644
mvme16xhw.h File 2.16 KB 0644
natfeat.h File 533 B 0644
nettel.h File 2.95 KB 0644
nubus.h File 1.21 KB 0644
openprom.h File 7.98 KB 0644
oplib.h File 9.54 KB 0644
page.h File 1.47 KB 0644
page_mm.h File 4.06 KB 0644
page_no.h File 1.28 KB 0644
page_offset.h File 256 B 0644
parport.h File 837 B 0644
pci.h File 458 B 0644
pgalloc.h File 444 B 0644
pgtable.h File 127 B 0644
pgtable_mm.h File 4.84 KB 0644
pgtable_no.h File 1.57 KB 0644
processor.h File 3.59 KB 0644
ptrace.h File 643 B 0644
q40_master.h File 2.28 KB 0644
q40ints.h File 749 B 0644
quicc_simple.h File 1.79 KB 0644
raw_io.h File 11.41 KB 0644
segment.h File 1.42 KB 0644
serial.h File 1.14 KB 0644
setup.h File 9.25 KB 0644
signal.h File 1.34 KB 0644
smp.h File 32 B 0644
string.h File 1.68 KB 0644
sun3-head.h File 353 B 0644
sun3_pgalloc.h File 2.26 KB 0644
sun3_pgtable.h File 7.65 KB 0644
sun3ints.h File 989 B 0644
sun3mmu.h File 4.91 KB 0644
sun3x.h File 868 B 0644
sun3xflop.h File 5.62 KB 0644
sun3xprom.h File 1.31 KB 0644
switch_to.h File 1.51 KB 0644
thread_info.h File 2.02 KB 0644
timex.h File 974 B 0644
tlb.h File 486 B 0644
tlbflush.h File 5.95 KB 0644
traps.h File 8.33 KB 0644
uaccess.h File 152 B 0644
uaccess_mm.h File 10.31 KB 0644
uaccess_no.h File 3.69 KB 0644
ucontext.h File 570 B 0644
unaligned.h File 600 B 0644
unistd.h File 952 B 0644
user.h File 3.78 KB 0644
vga.h File 651 B 0644
virtconvert.h File 947 B 0644
zorro.h File 1.17 KB 0644