1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2007 Semihalf
4 *
5 * Written by: Rafal Jaworowski <raj@semihalf.com>
6 */
7
8/*
9 * This is the header file for conveniency wrapper routines (API glue)
10 */
11
12#ifndef _API_GLUE_H_
13#define _API_GLUE_H_
14
15#define API_SEARCH_LEN		(3 * 1024 * 1024)	/* 3MB search range */
16
17#define UB_MAX_MR	5	/* max mem regions number */
18#define UB_MAX_DEV	6	/* max devices number */
19
20extern void *syscall_ptr;
21extern uint32_t search_hint;
22
23int	syscall(int, int *, ...);
24int	api_search_sig(struct api_signature **sig);
25
26/*
27 * The ub_ library calls are part of the application, not U-Boot code!  They
28 * are front-end wrappers that are used by the consumer application: they
29 * prepare arguments for particular syscall and jump to the low level
30 * syscall()
31 */
32
33/* console */
34int	ub_getc(void);
35int	ub_tstc(void);
36void	ub_putc(char c);
37void	ub_puts(const char *s);
38
39/* system */
40void			ub_reset(void);
41struct sys_info *	ub_get_sys_info(void);
42
43/* time */
44void		ub_udelay(unsigned long);
45unsigned long	ub_get_timer(unsigned long);
46
47/* env vars */
48char *		ub_env_get(const char *name);
49void		ub_env_set(const char *name, char *value);
50const char *	ub_env_enum(const char *last);
51
52/* devices */
53int			ub_dev_enum(void);
54int			ub_dev_open(int handle);
55int			ub_dev_close(int handle);
56int			ub_dev_read(int handle, void *buf, lbasize_t len,
57				lbastart_t start, lbasize_t *rlen);
58int			ub_dev_send(int handle, void *buf, int len);
59int			ub_dev_recv(int handle, void *buf, int len, int *rlen);
60struct device_info *	ub_dev_get(int);
61
62/* display */
63int ub_display_get_info(int type, struct display_info *di);
64int ub_display_draw_bitmap(ulong bitmap, int x, int y);
65void ub_display_clear(void);
66
67#endif /* _API_GLUE_H_ */
68