40 lines
860 B
C
40 lines
860 B
C
#ifndef _IDT82_H
|
|
#define _IDT82_H
|
|
|
|
enum idt82_term {
|
|
IDT_TERM_INT_75 = 0
|
|
IDT_TERM_INT_120,
|
|
IDT_TERM_INT_100,
|
|
IDT_TERM_INT_110,
|
|
IDT_TERM_EXT,
|
|
};
|
|
|
|
enum idt82_mode {
|
|
IDT_MODE_E1 = 0,
|
|
IDT_MODE_T1,
|
|
IDT_MODE_J1,
|
|
};
|
|
|
|
struct idt82 {
|
|
enum idt82_mode mode;
|
|
enum idt82_term term;
|
|
void *priv;
|
|
uint8_t cs;
|
|
};
|
|
|
|
int idt82_termination(struct idt82 *idt, enum idt82_term term);
|
|
int idt82_mode(struct idt82 *idt, enum idt82_mode mode);
|
|
int idt82_get_errcount(struct idt82 *idt);
|
|
int idt82_get_line_att(struct idt82 *idt);
|
|
int idt82_init(struct idt82 *idt);
|
|
|
|
/* callbacks into transport */
|
|
int idt82_reg_write(struct idt82 *idt, uint8_t reg, uin8_t val);
|
|
int idt82_reg_read(struct idt82 *idt, uint8_t reg);
|
|
|
|
/* board specific initializers */
|
|
int idt82_at91_init(struct idt82 *idt, void *spi, unsigned int id,
|
|
uint8_t cs, uint32_t spi_mr, uint32_t csr);
|
|
|
|
#endif
|