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