include/asm-ppc/iopin_8260.h

   1 /*
   2  * MPC8260 I/O port pin manipulation functions
   3  */
   4
   5 #ifndef _ASM_IOPIN_8260_H_
   6 #define _ASM_IOPIN_8260_H_
   7
   8 #include <linux/types.h>
   9 #include <asm/immap_8260.h>
  10
  11 #ifdef __KERNEL__
  12
  13 typedef
  14     struct {
  15         u_char port:2;  /* port number (A=0, B=1, C=2, D=3) */
  16         u_char pin:5;   /* port pin (0-31) */
  17         u_char flag:1;  /* for whatever */
  18     }
  19 iopin_t;
  20
  21 #define IOPIN_PORTA     0
  22 #define IOPIN_PORTB     1
  23 #define IOPIN_PORTC     2
  24 #define IOPIN_PORTD     3
  25
  26 extern __inline__ void
  27 iopin_set_high(iopin_t *iopin)
  28 {
  29     volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
  30     datp[iopin->port * 8] |= (1 << (31 - iopin->pin));
  31 }
  32
  33 extern __inline__ void
  34 iopin_set_low(iopin_t *iopin)
  35 {
  36     volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
  37     datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
  38 }
  39
  40 extern __inline__ uint
  41 iopin_is_high(iopin_t *iopin)
  42 {
  43     volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
  44     return (datp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
  45 }
  46
  47 extern __inline__ uint
  48 iopin_is_low(iopin_t *iopin)
  49 {
  50     volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
  51     return ((datp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
  52 }
  53
  54 extern __inline__ void
  55 iopin_set_out(iopin_t *iopin)
  56 {
  57     volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
  58     dirp[iopin->port * 8] |= (1 << (31 - iopin->pin));
  59 }
  60
  61 extern __inline__ void
  62 iopin_set_in(iopin_t *iopin)
  63 {
  64     volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
  65     dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
  66 }
  67
  68 extern __inline__ uint
  69 iopin_is_out(iopin_t *iopin)
  70 {
  71     volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
  72     return (dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
  73 }
  74
  75 extern __inline__ uint
  76 iopin_is_in(iopin_t *iopin)
  77 {
  78     volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
  79     return ((dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
  80 }
  81
  82 extern __inline__ void
  83 iopin_set_odr(iopin_t *iopin)
  84 {
  85     volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
  86     odrp[iopin->port * 8] |= (1 << (31 - iopin->pin));
  87 }
  88
  89 extern __inline__ void
  90 iopin_set_act(iopin_t *iopin)
  91 {
  92     volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
  93     odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
  94 }
  95
  96 extern __inline__ uint
  97 iopin_is_odr(iopin_t *iopin)
  98 {
  99     volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
 100     return (odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
 101 }
 102
 103 extern __inline__ uint
 104 iopin_is_act(iopin_t *iopin)
 105 {
 106     volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
 107     return ((odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
 108 }
 109
 110 extern __inline__ void
 111 iopin_set_ded(iopin_t *iopin)
 112 {
 113     volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
 114     parp[iopin->port * 8] |= (1 << (31 - iopin->pin));
 115 }
 116
 117 extern __inline__ void
 118 iopin_set_gen(iopin_t *iopin)
 119 {
 120     volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
 121     parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
 122 }
 123
 124 extern __inline__ uint
 125 iopin_is_ded(iopin_t *iopin)
 126 {
 127     volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
 128     return (parp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
 129 }
 130
 131 extern __inline__ uint
 132 iopin_is_gen(iopin_t *iopin)
 133 {
 134     volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
 135     return ((parp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
 136 }
 137
 138 extern __inline__ void
 139 iopin_set_opt2(iopin_t *iopin)
 140 {
 141     volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
 142     sorp[iopin->port * 8] |= (1 << (31 - iopin->pin));
 143 }
 144
 145 extern __inline__ void
 146 iopin_set_opt1(iopin_t *iopin)
 147 {
 148     volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
 149     sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
 150 }
 151
 152 extern __inline__ uint
 153 iopin_is_opt2(iopin_t *iopin)
 154 {
 155     volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
 156     return (sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
 157 }
 158
 159 extern __inline__ uint
 160 iopin_is_opt1(iopin_t *iopin)
 161 {
 162     volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
 163     return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
 164 }
 165
 166 #endif /* __KERNEL__ */
 167
 168 #endif /* _ASM_IOPIN_8260_H_ */