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Commit 9489a062 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
parents edeb280e 399dc43b
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+21 −13
Original line number Original line Diff line number Diff line
@@ -2,6 +2,7 @@
#include <linux/module.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/string.h>
#include <linux/string.h>
#include <linux/jiffies.h>
#include <linux/jiffies.h>
#include <linux/timer.h>
#include <linux/timer.h>
@@ -45,21 +46,22 @@ static void led_blink(unsigned long timeout)
	add_timer(&led_blink_timer);
	add_timer(&led_blink_timer);
}
}


static int led_read_proc(char *buf, char **start, off_t offset, int count,
static int led_proc_show(struct seq_file *m, void *v)
			 int *eof, void *data)
{
{
	int len = 0;

	if (get_auxio() & AUXIO_LED)
	if (get_auxio() & AUXIO_LED)
		len = sprintf(buf, "on\n");
		seq_puts(m, "on\n");
	else
	else
		len = sprintf(buf, "off\n");
		seq_puts(m, "off\n");
	return 0;
}


	return len;
static int led_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, led_proc_show, NULL);
}
}


static int led_write_proc(struct file *file, const char __user *buffer,
static ssize_t led_proc_write(struct file *file, const char __user *buffer,
			  unsigned long count, void *data)
			      size_t count, loff_t *ppos)
{
{
	char *buf = NULL;
	char *buf = NULL;


@@ -103,6 +105,15 @@ static int led_write_proc(struct file *file, const char __user *buffer,
	return count;
	return count;
}
}


static const struct file_operations led_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= led_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= led_proc_write,
};

static struct proc_dir_entry *led;
static struct proc_dir_entry *led;


#define LED_VERSION	"0.1"
#define LED_VERSION	"0.1"
@@ -112,12 +123,9 @@ static int __init led_init(void)
	init_timer(&led_blink_timer);
	init_timer(&led_blink_timer);
	led_blink_timer.function = led_blink;
	led_blink_timer.function = led_blink;


	led = create_proc_entry("led", 0, NULL);
	led = proc_create("led", 0, NULL, &led_proc_fops);
	if (!led)
	if (!led)
		return -ENOMEM;
		return -ENOMEM;

	led->read_proc = led_read_proc; /* reader function */
	led->write_proc = led_write_proc; /* writer function */
	led->owner = THIS_MODULE;
	led->owner = THIS_MODULE;


	printk(KERN_INFO
	printk(KERN_INFO
+44 −22
Original line number Original line Diff line number Diff line
@@ -24,7 +24,8 @@ static inline u8 _inb(unsigned long addr)


	__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */"
	__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -35,7 +36,8 @@ static inline u16 _inw(unsigned long addr)


	__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */"
	__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -46,7 +48,8 @@ static inline u32 _inl(unsigned long addr)


	__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */"
	__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -55,21 +58,24 @@ static inline void _outb(u8 b, unsigned long addr)
{
{
	__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */"
	__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
}
}


static inline void _outw(u16 w, unsigned long addr)
static inline void _outw(u16 w, unsigned long addr)
{
{
	__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */"
	__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
}
}


static inline void _outl(u32 l, unsigned long addr)
static inline void _outl(u32 l, unsigned long addr)
{
{
	__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */"
	__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
}
}


#define inb(__addr)		(_inb((unsigned long)(__addr)))
#define inb(__addr)		(_inb((unsigned long)(__addr)))
@@ -128,7 +134,8 @@ static inline u8 _readb(const volatile void __iomem *addr)


	__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */"
	__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
	return ret;
	return ret;
}
}


@@ -137,7 +144,8 @@ static inline u16 _readw(const volatile void __iomem *addr)


	__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */"
	__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -147,7 +155,8 @@ static inline u32 _readl(const volatile void __iomem *addr)


	__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */"
	__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -157,7 +166,8 @@ static inline u64 _readq(const volatile void __iomem *addr)


	__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */"
	__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -166,28 +176,32 @@ static inline void _writeb(u8 b, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */"
	__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
}
}


static inline void _writew(u16 w, volatile void __iomem *addr)
static inline void _writew(u16 w, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */"
	__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
}
}


static inline void _writel(u32 l, volatile void __iomem *addr)
static inline void _writel(u32 l, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */"
	__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
}
}


static inline void _writeq(u64 q, volatile void __iomem *addr)
static inline void _writeq(u64 q, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */"
	__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
			     : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
			     : "memory");
}
}


#define readb(__addr)		_readb(__addr)
#define readb(__addr)		_readb(__addr)
@@ -299,7 +313,8 @@ static inline u8 _sbus_readb(const volatile void __iomem *addr)


	__asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */"
	__asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -310,7 +325,8 @@ static inline u16 _sbus_readw(const volatile void __iomem *addr)


	__asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */"
	__asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -321,7 +337,8 @@ static inline u32 _sbus_readl(const volatile void __iomem *addr)


	__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */"
	__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -332,7 +349,8 @@ static inline u64 _sbus_readq(const volatile void __iomem *addr)


	__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */"
	__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */"
			     : "=r" (ret)
			     : "=r" (ret)
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");


	return ret;
	return ret;
}
}
@@ -341,28 +359,32 @@ static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */"
	__asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");
}
}


static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */"
	__asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");
}
}


static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */"
	__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");
}
}


static inline void _sbus_writeq(u64 l, volatile void __iomem *addr)
static inline void _sbus_writeq(u64 l, volatile void __iomem *addr)
{
{
	__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */"
	__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */"
			     : /* no outputs */
			     : /* no outputs */
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
			     : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
			     : "memory");
}
}


#define sbus_readb(__addr)		_sbus_readb(__addr)
#define sbus_readb(__addr)		_sbus_readb(__addr)