diff options
Diffstat (limited to 'include/asm-ppc/iopin_8260.h')
| -rw-r--r-- | include/asm-ppc/iopin_8260.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/include/asm-ppc/iopin_8260.h b/include/asm-ppc/iopin_8260.h new file mode 100644 index 0000000..21ed8c2 --- /dev/null +++ b/include/asm-ppc/iopin_8260.h @@ -0,0 +1,168 @@ +/* + * 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 + +extern __inline__ void +iopin_set_high(iopin_t *iopin) +{ + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata; + datp[iopin->port * 8] |= (1 << (31 - iopin->pin)); +} + +extern __inline__ void +iopin_set_low(iopin_t *iopin) +{ + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata; + datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin)); +} + +extern __inline__ uint +iopin_is_high(iopin_t *iopin) +{ + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata; + return (datp[iopin->port * 8] >> (31 - iopin->pin)) & 1; +} + +extern __inline__ uint +iopin_is_low(iopin_t *iopin) +{ + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata; + return ((datp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1; +} + +extern __inline__ void +iopin_set_out(iopin_t *iopin) +{ + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira; + dirp[iopin->port * 8] |= (1 << (31 - iopin->pin)); +} + +extern __inline__ void +iopin_set_in(iopin_t *iopin) +{ + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira; + dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin)); +} + +extern __inline__ uint +iopin_is_out(iopin_t *iopin) +{ + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira; + return (dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1; +} + +extern __inline__ uint +iopin_is_in(iopin_t *iopin) +{ + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira; + return ((dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1; +} + +extern __inline__ void +iopin_set_odr(iopin_t *iopin) +{ + volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra; + odrp[iopin->port * 8] |= (1 << (31 - iopin->pin)); +} + +extern __inline__ void +iopin_set_act(iopin_t *iopin) +{ + volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra; + odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin)); +} + +extern __inline__ uint +iopin_is_odr(iopin_t *iopin) +{ + volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra; + return (odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1; +} + +extern __inline__ uint +iopin_is_act(iopin_t *iopin) +{ + volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra; + return ((odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1; +} + +extern __inline__ void +iopin_set_ded(iopin_t *iopin) +{ + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara; + parp[iopin->port * 8] |= (1 << (31 - iopin->pin)); +} + +extern __inline__ void +iopin_set_gen(iopin_t *iopin) +{ + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara; + parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin)); +} + +extern __inline__ uint +iopin_is_ded(iopin_t *iopin) +{ + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara; + return (parp[iopin->port * 8] >> (31 - iopin->pin)) & 1; +} + +extern __inline__ uint +iopin_is_gen(iopin_t *iopin) +{ + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara; + return ((parp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1; +} + +extern __inline__ void +iopin_set_opt2(iopin_t *iopin) +{ + volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora; + sorp[iopin->port * 8] |= (1 << (31 - iopin->pin)); +} + +extern __inline__ void +iopin_set_opt1(iopin_t *iopin) +{ + volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora; + sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin)); +} + +extern __inline__ uint +iopin_is_opt2(iopin_t *iopin) +{ + volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora; + return (sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1; +} + +extern __inline__ uint +iopin_is_opt1(iopin_t *iopin) +{ + volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora; + return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1; +} + +#endif /* __KERNEL__ */ + +#endif /* _ASM_IOPIN_8260_H_ */ |