xref: /rk3399_rockchip-uboot/examples/api/glue.h (revision d4abc757c26c531293f5bbc4262ade44a317eec9)
1*d4abc757SPeter Tyser /*
2*d4abc757SPeter Tyser  * (C) Copyright 2007 Semihalf
3*d4abc757SPeter Tyser  *
4*d4abc757SPeter Tyser  * Written by: Rafal Jaworowski <raj@semihalf.com>
5*d4abc757SPeter Tyser  *
6*d4abc757SPeter Tyser  * See file CREDITS for list of people who contributed to this
7*d4abc757SPeter Tyser  * project.
8*d4abc757SPeter Tyser  *
9*d4abc757SPeter Tyser  * This program is free software; you can redistribute it and/or
10*d4abc757SPeter Tyser  * modify it under the terms of the GNU General Public License as
11*d4abc757SPeter Tyser  * published by the Free Software Foundation; either version 2 of
12*d4abc757SPeter Tyser  * the License, or (at your option) any later version.
13*d4abc757SPeter Tyser  *
14*d4abc757SPeter Tyser  * This program is distributed in the hope that it will be useful,
15*d4abc757SPeter Tyser  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16*d4abc757SPeter Tyser  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17*d4abc757SPeter Tyser  * GNU General Public License for more details.
18*d4abc757SPeter Tyser  *
19*d4abc757SPeter Tyser  * You should have received a copy of the GNU General Public License
20*d4abc757SPeter Tyser  * along with this program; if not, write to the Free Software
21*d4abc757SPeter Tyser  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22*d4abc757SPeter Tyser  * MA 02111-1307 USA
23*d4abc757SPeter Tyser  *
24*d4abc757SPeter Tyser  */
25*d4abc757SPeter Tyser 
26*d4abc757SPeter Tyser /*
27*d4abc757SPeter Tyser  * This is the header file for conveniency wrapper routines (API glue)
28*d4abc757SPeter Tyser  */
29*d4abc757SPeter Tyser 
30*d4abc757SPeter Tyser #ifndef _API_GLUE_H_
31*d4abc757SPeter Tyser #define _API_GLUE_H_
32*d4abc757SPeter Tyser 
33*d4abc757SPeter Tyser #define API_SEARCH_LEN		(3 * 1024 * 1024)	/* 3MB search range */
34*d4abc757SPeter Tyser 
35*d4abc757SPeter Tyser #define UB_MAX_MR	5	/* max mem regions number */
36*d4abc757SPeter Tyser #define UB_MAX_DEV	6	/* max devices number */
37*d4abc757SPeter Tyser 
38*d4abc757SPeter Tyser extern void *syscall_ptr;
39*d4abc757SPeter Tyser extern uint32_t search_hint;
40*d4abc757SPeter Tyser 
41*d4abc757SPeter Tyser int	syscall(int, int *, ...);
42*d4abc757SPeter Tyser int	api_search_sig(struct api_signature **sig);
43*d4abc757SPeter Tyser 
44*d4abc757SPeter Tyser /*
45*d4abc757SPeter Tyser  * The ub_ library calls are part of the application, not U-Boot code!  They
46*d4abc757SPeter Tyser  * are front-end wrappers that are used by the consumer application: they
47*d4abc757SPeter Tyser  * prepare arguments for particular syscall and jump to the low level
48*d4abc757SPeter Tyser  * syscall()
49*d4abc757SPeter Tyser  */
50*d4abc757SPeter Tyser 
51*d4abc757SPeter Tyser /* console */
52*d4abc757SPeter Tyser int	ub_getc(void);
53*d4abc757SPeter Tyser int	ub_tstc(void);
54*d4abc757SPeter Tyser void	ub_putc(char c);
55*d4abc757SPeter Tyser void	ub_puts(const char *s);
56*d4abc757SPeter Tyser 
57*d4abc757SPeter Tyser /* system */
58*d4abc757SPeter Tyser void			ub_reset(void);
59*d4abc757SPeter Tyser struct sys_info *	ub_get_sys_info(void);
60*d4abc757SPeter Tyser 
61*d4abc757SPeter Tyser /* time */
62*d4abc757SPeter Tyser void		ub_udelay(unsigned long);
63*d4abc757SPeter Tyser unsigned long	ub_get_timer(unsigned long);
64*d4abc757SPeter Tyser 
65*d4abc757SPeter Tyser /* env vars */
66*d4abc757SPeter Tyser char *		ub_env_get(const char *name);
67*d4abc757SPeter Tyser void		ub_env_set(const char *name, char *value);
68*d4abc757SPeter Tyser const char *	ub_env_enum(const char *last);
69*d4abc757SPeter Tyser 
70*d4abc757SPeter Tyser /* devices */
71*d4abc757SPeter Tyser int			ub_dev_enum(void);
72*d4abc757SPeter Tyser int			ub_dev_open(int handle);
73*d4abc757SPeter Tyser int			ub_dev_close(int handle);
74*d4abc757SPeter Tyser int			ub_dev_read(int handle, void *buf, lbasize_t len,
75*d4abc757SPeter Tyser 				lbastart_t start, lbasize_t *rlen);
76*d4abc757SPeter Tyser int			ub_dev_send(int handle, void *buf, int len);
77*d4abc757SPeter Tyser int			ub_dev_recv(int handle, void *buf, int len, int *rlen);
78*d4abc757SPeter Tyser struct device_info *	ub_dev_get(int);
79*d4abc757SPeter Tyser 
80*d4abc757SPeter Tyser #endif /* _API_GLUE_H_ */
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