u-boot/examples/api/glue.h

68 lines
1.7 KiB
C
Raw Normal View History

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2007 Semihalf
*
* Written by: Rafal Jaworowski <raj@semihalf.com>
*/
/*
* This is the header file for conveniency wrapper routines (API glue)
*/
#ifndef _API_GLUE_H_
#define _API_GLUE_H_
#define API_SEARCH_LEN (3 * 1024 * 1024) /* 3MB search range */
#define UB_MAX_MR 5 /* max mem regions number */
#define UB_MAX_DEV 6 /* max devices number */
extern void *syscall_ptr;
extern uint32_t search_hint;
int syscall(int, int *, ...);
int api_search_sig(struct api_signature **sig);
/*
* The ub_ library calls are part of the application, not U-Boot code! They
* are front-end wrappers that are used by the consumer application: they
* prepare arguments for particular syscall and jump to the low level
* syscall()
*/
/* console */
int ub_getc(void);
int ub_tstc(void);
void ub_putc(char c);
void ub_puts(const char *s);
/* system */
void ub_reset(void);
struct sys_info * ub_get_sys_info(void);
/* time */
void ub_udelay(unsigned long);
unsigned long ub_get_timer(unsigned long);
/* env vars */
char * ub_env_get(const char *name);
void ub_env_set(const char *name, char *value);
const char * ub_env_enum(const char *last);
/* devices */
int ub_dev_enum(void);
int ub_dev_open(int handle);
int ub_dev_close(int handle);
int ub_dev_read(int handle, void *buf, lbasize_t len,
lbastart_t start, lbasize_t *rlen);
int ub_dev_send(int handle, void *buf, int len);
int ub_dev_recv(int handle, void *buf, int len, int *rlen);
struct device_info * ub_dev_get(int);
/* display */
int ub_display_get_info(int type, struct display_info *di);
int ub_display_draw_bitmap(ulong bitmap, int x, int y);
void ub_display_clear(void);
#endif /* _API_GLUE_H_ */