136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
#ifndef _ASM_ARCH_CRIS_IO_H
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#define _ASM_ARCH_CRIS_IO_H
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#include <linux/spinlock.h>
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#include <hwregs/reg_map.h>
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#include <hwregs/reg_rdwr.h>
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#include <hwregs/gio_defs.h>
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enum crisv32_io_dir
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{
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crisv32_io_dir_in = 0,
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crisv32_io_dir_out = 1
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};
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struct crisv32_ioport
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{
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volatile unsigned long *oe;
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volatile unsigned long *data;
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volatile unsigned long *data_in;
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unsigned int pin_count;
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spinlock_t lock;
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};
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struct crisv32_iopin
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{
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struct crisv32_ioport* port;
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int bit;
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};
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extern struct crisv32_ioport crisv32_ioports[];
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extern struct crisv32_iopin crisv32_led1_green;
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extern struct crisv32_iopin crisv32_led1_red;
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extern struct crisv32_iopin crisv32_led2_green;
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extern struct crisv32_iopin crisv32_led2_red;
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extern struct crisv32_iopin crisv32_led3_green;
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extern struct crisv32_iopin crisv32_led3_red;
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extern struct crisv32_iopin crisv32_led_net0_green;
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extern struct crisv32_iopin crisv32_led_net0_red;
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extern struct crisv32_iopin crisv32_led_net1_green;
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extern struct crisv32_iopin crisv32_led_net1_red;
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static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val)
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{
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long flags;
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spin_lock_irqsave(&iopin->port->lock, flags);
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if (val)
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*iopin->port->data |= iopin->bit;
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else
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*iopin->port->data &= ~iopin->bit;
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spin_unlock_irqrestore(&iopin->port->lock, flags);
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}
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static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
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enum crisv32_io_dir dir)
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{
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long flags;
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spin_lock_irqsave(&iopin->port->lock, flags);
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if (dir == crisv32_io_dir_in)
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*iopin->port->oe &= ~iopin->bit;
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else
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*iopin->port->oe |= iopin->bit;
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spin_unlock_irqrestore(&iopin->port->lock, flags);
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}
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static inline int crisv32_io_rd(struct crisv32_iopin* iopin)
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{
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return ((*iopin->port->data_in & iopin->bit) ? 1 : 0);
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}
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int crisv32_io_get(struct crisv32_iopin* iopin,
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unsigned int port, unsigned int pin);
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int crisv32_io_get_name(struct crisv32_iopin* iopin,
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const char *name);
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#define CRIS_LED_OFF 0x00
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#define CRIS_LED_GREEN 0x01
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#define CRIS_LED_RED 0x02
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#define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED)
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#if (defined(CONFIG_ETRAX_NBR_LED_GRP_ONE) || defined(CONFIG_ETRAX_NBR_LED_GRP_TWO))
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#define CRIS_LED_NETWORK_GRP0_SET(x) \
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do { \
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CRIS_LED_NETWORK_GRP0_SET_G((x) & CRIS_LED_GREEN); \
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CRIS_LED_NETWORK_GRP0_SET_R((x) & CRIS_LED_RED); \
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} while (0)
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#else
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#define CRIS_LED_NETWORK_GRP0_SET(x) while (0) {}
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#endif
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#define CRIS_LED_NETWORK_GRP0_SET_G(x) \
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crisv32_io_set(&crisv32_led_net0_green, !(x));
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#define CRIS_LED_NETWORK_GRP0_SET_R(x) \
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crisv32_io_set(&crisv32_led_net0_red, !(x));
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#if defined(CONFIG_ETRAX_NBR_LED_GRP_TWO)
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#define CRIS_LED_NETWORK_GRP1_SET(x) \
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do { \
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CRIS_LED_NETWORK_GRP1_SET_G((x) & CRIS_LED_GREEN); \
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CRIS_LED_NETWORK_GRP1_SET_R((x) & CRIS_LED_RED); \
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} while (0)
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#else
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#define CRIS_LED_NETWORK_GRP1_SET(x) while (0) {}
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#endif
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#define CRIS_LED_NETWORK_GRP1_SET_G(x) \
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crisv32_io_set(&crisv32_led_net1_green, !(x));
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#define CRIS_LED_NETWORK_GRP1_SET_R(x) \
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crisv32_io_set(&crisv32_led_net1_red, !(x));
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#define CRIS_LED_ACTIVE_SET(x) \
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do { \
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CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \
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CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED); \
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} while (0)
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#define CRIS_LED_ACTIVE_SET_G(x) \
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crisv32_io_set(&crisv32_led2_green, !(x));
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#define CRIS_LED_ACTIVE_SET_R(x) \
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crisv32_io_set(&crisv32_led2_red, !(x));
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#define CRIS_LED_DISK_WRITE(x) \
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do{\
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crisv32_io_set(&crisv32_led3_green, !(x)); \
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crisv32_io_set(&crisv32_led3_red, !(x)); \
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}while(0)
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#define CRIS_LED_DISK_READ(x) \
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crisv32_io_set(&crisv32_led3_green, !(x));
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#endif
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