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 20 extern void *syscall_ptr; 21 extern uint32_t search_hint; 22 23 int syscall(int, int *, ...); 24 int 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 */ 34 int ub_getc(void); 35 int ub_tstc(void); 36 void ub_putc(char c); 37 void ub_puts(const char *s); 38 39 /* system */ 40 void ub_reset(void); 41 struct sys_info * ub_get_sys_info(void); 42 43 /* time */ 44 void ub_udelay(unsigned long); 45 unsigned long ub_get_timer(unsigned long); 46 47 /* env vars */ 48 char * ub_env_get(const char *name); 49 void ub_env_set(const char *name, char *value); 50 const char * ub_env_enum(const char *last); 51 52 /* devices */ 53 int ub_dev_enum(void); 54 int ub_dev_open(int handle); 55 int ub_dev_close(int handle); 56 int ub_dev_read(int handle, void *buf, lbasize_t len, 57 lbastart_t start, lbasize_t *rlen); 58 int ub_dev_send(int handle, void *buf, int len); 59 int ub_dev_recv(int handle, void *buf, int len, int *rlen); 60 struct device_info * ub_dev_get(int); 61 62 /* display */ 63 int ub_display_get_info(int type, struct display_info *di); 64 int ub_display_draw_bitmap(ulong bitmap, int x, int y); 65 void ub_display_clear(void); 66 67 #endif /* _API_GLUE_H_ */ 68