xref: /rk3399_rockchip-uboot/examples/api/glue.h (revision a2a5729fc1247bb45d794e9d731c0b03bf58096f)
1d4abc757SPeter Tyser /*
2d4abc757SPeter Tyser  * (C) Copyright 2007 Semihalf
3d4abc757SPeter Tyser  *
4d4abc757SPeter Tyser  * Written by: Rafal Jaworowski <raj@semihalf.com>
5d4abc757SPeter Tyser  *
6d4abc757SPeter Tyser  * See file CREDITS for list of people who contributed to this
7d4abc757SPeter Tyser  * project.
8d4abc757SPeter Tyser  *
9d4abc757SPeter Tyser  * This program is free software; you can redistribute it and/or
10d4abc757SPeter Tyser  * modify it under the terms of the GNU General Public License as
11d4abc757SPeter Tyser  * published by the Free Software Foundation; either version 2 of
12d4abc757SPeter Tyser  * the License, or (at your option) any later version.
13d4abc757SPeter Tyser  *
14d4abc757SPeter Tyser  * This program is distributed in the hope that it will be useful,
15d4abc757SPeter Tyser  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16d4abc757SPeter Tyser  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17d4abc757SPeter Tyser  * GNU General Public License for more details.
18d4abc757SPeter Tyser  *
19d4abc757SPeter Tyser  * You should have received a copy of the GNU General Public License
20d4abc757SPeter Tyser  * along with this program; if not, write to the Free Software
21d4abc757SPeter Tyser  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22d4abc757SPeter Tyser  * MA 02111-1307 USA
23d4abc757SPeter Tyser  *
24d4abc757SPeter Tyser  */
25d4abc757SPeter Tyser 
26d4abc757SPeter Tyser /*
27d4abc757SPeter Tyser  * This is the header file for conveniency wrapper routines (API glue)
28d4abc757SPeter Tyser  */
29d4abc757SPeter Tyser 
30d4abc757SPeter Tyser #ifndef _API_GLUE_H_
31d4abc757SPeter Tyser #define _API_GLUE_H_
32d4abc757SPeter Tyser 
33d4abc757SPeter Tyser #define API_SEARCH_LEN		(3 * 1024 * 1024)	/* 3MB search range */
34d4abc757SPeter Tyser 
35d4abc757SPeter Tyser #define UB_MAX_MR	5	/* max mem regions number */
36d4abc757SPeter Tyser #define UB_MAX_DEV	6	/* max devices number */
37d4abc757SPeter Tyser 
38d4abc757SPeter Tyser extern void *syscall_ptr;
39d4abc757SPeter Tyser extern uint32_t search_hint;
40d4abc757SPeter Tyser 
41d4abc757SPeter Tyser int	syscall(int, int *, ...);
42d4abc757SPeter Tyser int	api_search_sig(struct api_signature **sig);
43d4abc757SPeter Tyser 
44d4abc757SPeter Tyser /*
45d4abc757SPeter Tyser  * The ub_ library calls are part of the application, not U-Boot code!  They
46d4abc757SPeter Tyser  * are front-end wrappers that are used by the consumer application: they
47d4abc757SPeter Tyser  * prepare arguments for particular syscall and jump to the low level
48d4abc757SPeter Tyser  * syscall()
49d4abc757SPeter Tyser  */
50d4abc757SPeter Tyser 
51d4abc757SPeter Tyser /* console */
52d4abc757SPeter Tyser int	ub_getc(void);
53d4abc757SPeter Tyser int	ub_tstc(void);
54d4abc757SPeter Tyser void	ub_putc(char c);
55d4abc757SPeter Tyser void	ub_puts(const char *s);
56d4abc757SPeter Tyser 
57d4abc757SPeter Tyser /* system */
58d4abc757SPeter Tyser void			ub_reset(void);
59d4abc757SPeter Tyser struct sys_info *	ub_get_sys_info(void);
60d4abc757SPeter Tyser 
61d4abc757SPeter Tyser /* time */
62d4abc757SPeter Tyser void		ub_udelay(unsigned long);
63d4abc757SPeter Tyser unsigned long	ub_get_timer(unsigned long);
64d4abc757SPeter Tyser 
65d4abc757SPeter Tyser /* env vars */
66d4abc757SPeter Tyser char *		ub_env_get(const char *name);
67d4abc757SPeter Tyser void		ub_env_set(const char *name, char *value);
68d4abc757SPeter Tyser const char *	ub_env_enum(const char *last);
69d4abc757SPeter Tyser 
70d4abc757SPeter Tyser /* devices */
71d4abc757SPeter Tyser int			ub_dev_enum(void);
72d4abc757SPeter Tyser int			ub_dev_open(int handle);
73d4abc757SPeter Tyser int			ub_dev_close(int handle);
74d4abc757SPeter Tyser int			ub_dev_read(int handle, void *buf, lbasize_t len,
75d4abc757SPeter Tyser 				lbastart_t start, lbasize_t *rlen);
76d4abc757SPeter Tyser int			ub_dev_send(int handle, void *buf, int len);
77d4abc757SPeter Tyser int			ub_dev_recv(int handle, void *buf, int len, int *rlen);
78d4abc757SPeter Tyser struct device_info *	ub_dev_get(int);
79d4abc757SPeter Tyser 
80*a2a5729fSChe-Liang Chiou /* display */
81*a2a5729fSChe-Liang Chiou int ub_display_get_info(int type, struct display_info *di);
82*a2a5729fSChe-Liang Chiou int ub_display_draw_bitmap(ulong bitmap, int x, int y);
83*a2a5729fSChe-Liang Chiou void ub_display_clear(void);
84*a2a5729fSChe-Liang Chiou 
85d4abc757SPeter Tyser #endif /* _API_GLUE_H_ */
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