include/asm-ppc/iopin_85xx.h

   1 /*
   2  * MPC85xx I/O port pin manipulation functions
   3  */
   4
   5 #ifndef _ASM_IOPIN_85xx_H_
   6 #define _ASM_IOPIN_85xx_H_
   7
   8 #include <linux/types.h>
   9 #include <asm/immap_85xx.h>
  10
  11 #ifdef __KERNEL__
  12
  13 typedef struct {
  14         u_char port:2;          /* port number (A=0, B=1, C=2, D=3) */
  15         u_char pin:5;           /* port pin (0-31) */
  16         u_char flag:1;          /* for whatever */
  17 } iopin_t;
  18
  19 #define IOPIN_PORTA     0
  20 #define IOPIN_PORTB     1
  21 #define IOPIN_PORTC     2
  22 #define IOPIN_PORTD     3
  23
  24 extern __inline__ void iopin_set_high (iopin_t * iopin)
  25 {
  26         volatile uint *datp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
  27         datp[iopin->port * 8] |= (1 << (31 - iopin->pin));
  28 }
  29
  30 extern __inline__ void iopin_set_low (iopin_t * iopin)
  31 {
  32         volatile uint *datp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
  33         datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
  34 }
  35
  36 extern __inline__ uint iopin_is_high (iopin_t * iopin)
  37 {
  38         volatile uint *datp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
  39         return (datp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
  40 }
  41
  42 extern __inline__ uint iopin_is_low (iopin_t * iopin)
  43 {
  44         volatile uint *datp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
  45         return ((datp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
  46 }
  47
  48 extern __inline__ void iopin_set_out (iopin_t * iopin)
  49 {
  50         volatile uint *dirp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
  51         dirp[iopin->port * 8] |= (1 << (31 - iopin->pin));
  52 }
  53
  54 extern __inline__ void iopin_set_in (iopin_t * iopin)
  55 {
  56         volatile uint *dirp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
  57         dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
  58 }
  59
  60 extern __inline__ uint iopin_is_out (iopin_t * iopin)
  61 {
  62         volatile uint *dirp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
  63         return (dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
  64 }
  65
  66 extern __inline__ uint iopin_is_in (iopin_t * iopin)
  67 {
  68         volatile uint *dirp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
  69         return ((dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
  70 }
  71
  72 extern __inline__ void iopin_set_odr (iopin_t * iopin)
  73 {
  74         volatile uint *odrp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
  75         odrp[iopin->port * 8] |= (1 << (31 - iopin->pin));
  76 }
  77
  78 extern __inline__ void iopin_set_act (iopin_t * iopin)
  79 {
  80         volatile uint *odrp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
  81         odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
  82 }
  83
  84 extern __inline__ uint iopin_is_odr (iopin_t * iopin)
  85 {
  86         volatile uint *odrp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
  87         return (odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
  88 }
  89
  90 extern __inline__ uint iopin_is_act (iopin_t * iopin)
  91 {
  92         volatile uint *odrp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
  93         return ((odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
  94 }
  95
  96 extern __inline__ void iopin_set_ded (iopin_t * iopin)
  97 {
  98         volatile uint *parp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
  99         parp[iopin->port * 8] |= (1 << (31 - iopin->pin));
 100 }
 101
 102 extern __inline__ void iopin_set_gen (iopin_t * iopin)
 103 {
 104         volatile uint *parp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
 105         parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
 106 }
 107
 108 extern __inline__ uint iopin_is_ded (iopin_t * iopin)
 109 {
 110         volatile uint *parp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
 111         return (parp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
 112 }
 113
 114 extern __inline__ uint iopin_is_gen (iopin_t * iopin)
 115 {
 116         volatile uint *parp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
 117         return ((parp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
 118 }
 119
 120 extern __inline__ void iopin_set_opt2 (iopin_t * iopin)
 121 {
 122         volatile uint *sorp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
 123         sorp[iopin->port * 8] |= (1 << (31 - iopin->pin));
 124 }
 125
 126 extern __inline__ void iopin_set_opt1 (iopin_t * iopin)
 127 {
 128         volatile uint *sorp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
 129         sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
 130 }
 131
 132 extern __inline__ uint iopin_is_opt2 (iopin_t * iopin)
 133 {
 134         volatile uint *sorp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
 135         return (sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
 136 }
 137
 138 extern __inline__ uint iopin_is_opt1 (iopin_t * iopin)
 139 {
 140         volatile uint *sorp = &((ccsr_cpm_t *) CFG_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
 141         return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
 142 }
 143
 144 #endif /* __KERNEL__ */
 145
 146 #endif /* _ASM_IOPIN_85xx_H_ */