You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.2 KiB
60 lines
1.2 KiB
#ifndef _REG_FIELD_H
|
|
#define _REG_FIELD_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdarg.h>
|
|
|
|
enum cmd_op {
|
|
CMD_OP_GET = (1 << 0),
|
|
CMD_OP_SET = (1 << 1),
|
|
CMD_OP_EXEC = (1 << 2),
|
|
};
|
|
|
|
enum pstate {
|
|
ST_IN_CMD,
|
|
ST_IN_ARG,
|
|
};
|
|
|
|
struct strbuf {
|
|
uint8_t idx;
|
|
char buf[32];
|
|
};
|
|
|
|
struct cmd_state {
|
|
struct strbuf cmd;
|
|
struct strbuf arg;
|
|
enum pstate state;
|
|
void (*out)(const char *format, va_list ap);
|
|
};
|
|
|
|
struct cmd {
|
|
const char *cmd;
|
|
uint32_t ops;
|
|
int (*cb)(struct cmd_state *cs, enum cmd_op op, const char *cmd,
|
|
int argc, char **argv);
|
|
const char *help;
|
|
};
|
|
|
|
/* structure describing a field in a register */
|
|
struct reg_field {
|
|
uint8_t reg;
|
|
uint8_t shift;
|
|
uint8_t width;
|
|
};
|
|
|
|
struct reg_field_ops {
|
|
const struct reg_field *fields;
|
|
const char **field_names;
|
|
uint32_t num_fields;
|
|
void *data;
|
|
int (*write_cb)(void *data, uint32_t reg, uint32_t val);
|
|
uint32_t (*read_cb)(void *data, uint32_t reg);
|
|
};
|
|
|
|
uint32_t reg_field_read(struct reg_field_ops *ops, struct reg_field *field);
|
|
int reg_field_write(struct reg_field_ops *ops, struct reg_field *field, uint32_t val);
|
|
int reg_field_cmd(struct cmd_state *cs, enum cmd_op op,
|
|
const char *cmd, int argc, char **argv,
|
|
struct reg_field_ops *ops);
|
|
|
|
#endif
|
|
|