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