46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
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/* linux/drivers/char/nsc_gpio.c
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National Semiconductor common GPIO device-file/VFS methods.
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Allows a user space process to control the GPIO pins.
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Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>
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Copyright (c) 2005 Jim Cromie <jim.cromie@gmail.com>
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*/
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#include <linux/config.h>
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#include <linux/fs.h>
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/nsc_gpio.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#define NAME "nsc_gpio"
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MODULE_AUTHOR("Jim Cromie <jim.cromie@gmail.com>");
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MODULE_DESCRIPTION("NatSemi GPIO Common Methods");
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MODULE_LICENSE("GPL");
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static int __init nsc_gpio_init(void)
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{
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printk(KERN_DEBUG NAME " initializing\n");
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return 0;
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}
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static void __exit nsc_gpio_cleanup(void)
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{
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printk(KERN_DEBUG NAME " cleanup\n");
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}
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/* prepare for
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common routines for both scx200_gpio and pc87360_gpio
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EXPORT_SYMBOL(scx200_gpio_write);
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EXPORT_SYMBOL(scx200_gpio_read);
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EXPORT_SYMBOL(scx200_gpio_release);
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*/
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module_init(nsc_gpio_init);
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module_exit(nsc_gpio_cleanup);
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