/* * 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_ */