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| System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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/
usr/
src/
linux-headers-3.0.0-14/
arch/
cris/
include/
arch-v32/
arch/
- drwxr-xr-x
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Viewing file:  io.h (3.78 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
#ifndef _ASM_ARCH_CRIS_IO_H
#define _ASM_ARCH_CRIS_IO_H
#include <linux/spinlock.h>
#include <hwregs/reg_map.h>
#include <hwregs/reg_rdwr.h>
#include <hwregs/gio_defs.h>
enum crisv32_io_dir
{
crisv32_io_dir_in = 0,
crisv32_io_dir_out = 1
};
struct crisv32_ioport
{
volatile unsigned long *oe;
volatile unsigned long *data;
volatile unsigned long *data_in;
unsigned int pin_count;
spinlock_t lock;
};
struct crisv32_iopin
{
struct crisv32_ioport* port;
int bit;
};
extern struct crisv32_ioport crisv32_ioports[];
extern struct crisv32_iopin crisv32_led1_green;
extern struct crisv32_iopin crisv32_led1_red;
extern struct crisv32_iopin crisv32_led2_green;
extern struct crisv32_iopin crisv32_led2_red;
extern struct crisv32_iopin crisv32_led3_green;
extern struct crisv32_iopin crisv32_led3_red;
extern struct crisv32_iopin crisv32_led_net0_green;
extern struct crisv32_iopin crisv32_led_net0_red;
extern struct crisv32_iopin crisv32_led_net1_green;
extern struct crisv32_iopin crisv32_led_net1_red;
static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val)
{
unsigned long flags;
spin_lock_irqsave(&iopin->port->lock, flags);
if (iopin->port->data) {
if (val)
*iopin->port->data |= iopin->bit;
else
*iopin->port->data &= ~iopin->bit;
}
spin_unlock_irqrestore(&iopin->port->lock, flags);
}
static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
enum crisv32_io_dir dir)
{
unsigned long flags;
spin_lock_irqsave(&iopin->port->lock, flags);
if (iopin->port->oe) {
if (dir == crisv32_io_dir_in)
*iopin->port->oe &= ~iopin->bit;
else
*iopin->port->oe |= iopin->bit;
}
spin_unlock_irqrestore(&iopin->port->lock, flags);
}
static inline int crisv32_io_rd(struct crisv32_iopin* iopin)
{
return ((*iopin->port->data_in & iopin->bit) ? 1 : 0);
}
int crisv32_io_get(struct crisv32_iopin* iopin,
unsigned int port, unsigned int pin);
int crisv32_io_get_name(struct crisv32_iopin* iopin,
const char *name);
#define CRIS_LED_OFF 0x00
#define CRIS_LED_GREEN 0x01
#define CRIS_LED_RED 0x02
#define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED)
#if (defined(CONFIG_ETRAX_NBR_LED_GRP_ONE) || defined(CONFIG_ETRAX_NBR_LED_GRP_TWO))
#define CRIS_LED_NETWORK_GRP0_SET(x) \
do { \
CRIS_LED_NETWORK_GRP0_SET_G((x) & CRIS_LED_GREEN); \
CRIS_LED_NETWORK_GRP0_SET_R((x) & CRIS_LED_RED); \
} while (0)
#else
#define CRIS_LED_NETWORK_GRP0_SET(x) while (0) {}
#endif
#define CRIS_LED_NETWORK_GRP0_SET_G(x) \
crisv32_io_set(&crisv32_led_net0_green, !(x));
#define CRIS_LED_NETWORK_GRP0_SET_R(x) \
crisv32_io_set(&crisv32_led_net0_red, !(x));
#if defined(CONFIG_ETRAX_NBR_LED_GRP_TWO)
#define CRIS_LED_NETWORK_GRP1_SET(x) \
do { \
CRIS_LED_NETWORK_GRP1_SET_G((x) & CRIS_LED_GREEN); \
CRIS_LED_NETWORK_GRP1_SET_R((x) & CRIS_LED_RED); \
} while (0)
#else
#define CRIS_LED_NETWORK_GRP1_SET(x) while (0) {}
#endif
#define CRIS_LED_NETWORK_GRP1_SET_G(x) \
crisv32_io_set(&crisv32_led_net1_green, !(x));
#define CRIS_LED_NETWORK_GRP1_SET_R(x) \
crisv32_io_set(&crisv32_led_net1_red, !(x));
#define CRIS_LED_ACTIVE_SET(x) \
do { \
CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \
CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED); \
} while (0)
#define CRIS_LED_ACTIVE_SET_G(x) \
crisv32_io_set(&crisv32_led2_green, !(x));
#define CRIS_LED_ACTIVE_SET_R(x) \
crisv32_io_set(&crisv32_led2_red, !(x));
#define CRIS_LED_DISK_WRITE(x) \
do{\
crisv32_io_set(&crisv32_led3_green, !(x)); \
crisv32_io_set(&crisv32_led3_red, !(x)); \
}while(0)
#define CRIS_LED_DISK_READ(x) \
crisv32_io_set(&crisv32_led3_green, !(x));
#endif
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