Files
SDK_SG200x_V2/linux_5.10/arch/arm/kernel/isa.c
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

67 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* linux/arch/arm/kernel/isa.c
*
* Copyright (C) 1999 Phil Blundell
*
* ISA shared memory and I/O port support, and is required to support
* iopl, inb, outb and friends in userspace via glibc emulation.
*/
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/sysctl.h>
#include <linux/init.h>
#include <linux/io.h>
static unsigned int isa_membase, isa_portbase, isa_portshift;
static struct ctl_table ctl_isa_vars[4] = {
{
.procname = "membase",
.data = &isa_membase,
.maxlen = sizeof(isa_membase),
.mode = 0444,
.proc_handler = proc_dointvec,
}, {
.procname = "portbase",
.data = &isa_portbase,
.maxlen = sizeof(isa_portbase),
.mode = 0444,
.proc_handler = proc_dointvec,
}, {
.procname = "portshift",
.data = &isa_portshift,
.maxlen = sizeof(isa_portshift),
.mode = 0444,
.proc_handler = proc_dointvec,
}, {}
};
static struct ctl_table_header *isa_sysctl_header;
static struct ctl_table ctl_isa[2] = {
{
.procname = "isa",
.mode = 0555,
.child = ctl_isa_vars,
}, {}
};
static struct ctl_table ctl_bus[2] = {
{
.procname = "bus",
.mode = 0555,
.child = ctl_isa,
}, {}
};
void __init
register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift)
{
isa_membase = membase;
isa_portbase = portbase;
isa_portshift = portshift;
isa_sysctl_header = register_sysctl_table(ctl_bus);
}