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/*
* MPC8260 I/O port pin manipulation functions
*/
#ifndef _ASM_IOPIN_8260_H_
#define _ASM_IOPIN_8260_H_
#include <linux/types.h>
#include <asm/immap_8260.h>
#ifdef __KERNEL__
typedef
struct {
u_char port:2; /* port number (A=0, B=1, C=2, D=3) */
u_char pin:5; /* port pin (0-31) */
u_char flag:1; /* for whatever */
}
iopin_t;
#define IOPIN_PORTA 0
#define IOPIN_PORTB 1
#define IOPIN_PORTC 2
#define IOPIN_PORTD 3
static __inline__ void
iopin_set_high(iopin_t *iopin)
{
volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
datp[iopin->port * 8] |= (1 << (31 - iopin->pin));
}
static __inline__ void
iopin_set_low(iopin_t *iopin)
{
volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
}
static __inline__ uint
iopin_is_high(iopin_t *iopin)
{
volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
return (datp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
}
static __inline__ uint
iopin_is_low(iopin_t *iopin)
{
volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
return ((datp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
}
static __inline__ void
iopin_set_out(iopin_t *iopin)
{
volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
dirp[iopin->port * 8] |= (1 << (31 - iopin->pin));
}
static __inline__ void
iopin_set_in(iopin_t *iopin)
{
volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
}
static __inline__ uint
iopin_is_out(iopin_t *iopin)
{
volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
return (dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
}
static __inline__ uint
iopin_is_in(iopin_t *iopin)
{
volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
return ((dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
}
static __inline__ void
iopin_set_odr(iopin_t *iopin)
{
volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
odrp[iopin->port * 8] |= (1 << (31 - iopin->pin));
}
static __inline__ void
iopin_set_act(iopin_t *iopin)
{
volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
}
static __inline__ uint
iopin_is_odr(iopin_t *iopin)
{
volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
return (odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
}
static __inline__ uint
iopin_is_act(iopin_t *iopin)
{
volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
return ((odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
}
static __inline__ void
iopin_set_ded(iopin_t *iopin)
{
volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
parp[iopin->port * 8] |= (1 << (31 - iopin->pin));
}
static __inline__ void
iopin_set_gen(iopin_t *iopin)
{
volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
}
static __inline__ uint
iopin_is_ded(iopin_t *iopin)
{
volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
return (parp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
}
static __inline__ uint
iopin_is_gen(iopin_t *iopin)
{
volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
return ((parp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
}
static __inline__ void
iopin_set_opt2(iopin_t *iopin)
{
volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
sorp[iopin->port * 8] |= (1 << (31 - iopin->pin));
}
static __inline__ void
iopin_set_opt1(iopin_t *iopin)
{
volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
}
static __inline__ uint
iopin_is_opt2(iopin_t *iopin)
{
volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
return (sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
}
static __inline__ uint
iopin_is_opt1(iopin_t *iopin)
{
volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
}
#endif /* __KERNEL__ */
#endif /* _ASM_IOPIN_8260_H_ */
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