2 * MPC8260 I/O port pin manipulation functions
5 #ifndef _ASM_IOPIN_8260_H_
6 #define _ASM_IOPIN_8260_H_
8 #include <linux/types.h>
9 #include <asm/immap_8260.h>
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 */
26 extern __inline__ void
27 iopin_set_high(iopin_t *iopin)
29 volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
30 datp[iopin->port * 8] |= (1 << (31 - iopin->pin));
33 extern __inline__ void
34 iopin_set_low(iopin_t *iopin)
36 volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
37 datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
40 extern __inline__ uint
41 iopin_is_high(iopin_t *iopin)
43 volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
44 return (datp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
47 extern __inline__ uint
48 iopin_is_low(iopin_t *iopin)
50 volatile uint *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdata;
51 return ((datp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
54 extern __inline__ void
55 iopin_set_out(iopin_t *iopin)
57 volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
58 dirp[iopin->port * 8] |= (1 << (31 - iopin->pin));
61 extern __inline__ void
62 iopin_set_in(iopin_t *iopin)
64 volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
65 dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
68 extern __inline__ uint
69 iopin_is_out(iopin_t *iopin)
71 volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
72 return (dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
75 extern __inline__ uint
76 iopin_is_in(iopin_t *iopin)
78 volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdira;
79 return ((dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
82 extern __inline__ void
83 iopin_set_odr(iopin_t *iopin)
85 volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
86 odrp[iopin->port * 8] |= (1 << (31 - iopin->pin));
89 extern __inline__ void
90 iopin_set_act(iopin_t *iopin)
92 volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
93 odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
96 extern __inline__ uint
97 iopin_is_odr(iopin_t *iopin)
99 volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
100 return (odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
103 extern __inline__ uint
104 iopin_is_act(iopin_t *iopin)
106 volatile uint *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_podra;
107 return ((odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
110 extern __inline__ void
111 iopin_set_ded(iopin_t *iopin)
113 volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
114 parp[iopin->port * 8] |= (1 << (31 - iopin->pin));
117 extern __inline__ void
118 iopin_set_gen(iopin_t *iopin)
120 volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
121 parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
124 extern __inline__ uint
125 iopin_is_ded(iopin_t *iopin)
127 volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
128 return (parp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
131 extern __inline__ uint
132 iopin_is_gen(iopin_t *iopin)
134 volatile uint *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_ppara;
135 return ((parp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
138 extern __inline__ void
139 iopin_set_opt2(iopin_t *iopin)
141 volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
142 sorp[iopin->port * 8] |= (1 << (31 - iopin->pin));
145 extern __inline__ void
146 iopin_set_opt1(iopin_t *iopin)
148 volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
149 sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
152 extern __inline__ uint
153 iopin_is_opt2(iopin_t *iopin)
155 volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
156 return (sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
159 extern __inline__ uint
160 iopin_is_opt1(iopin_t *iopin)
162 volatile uint *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_psora;
163 return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
166 #endif /* __KERNEL__ */
168 #endif /* _ASM_IOPIN_8260_H_ */