1 /* 2 * (C) Copyright 2007 Semihalf 3 * 4 * Written by: Rafal Jaworowski <raj@semihalf.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 /* 10 * This is the header file for conveniency wrapper routines (API glue) 11 */ 12 13 #ifndef _API_GLUE_H_ 14 #define _API_GLUE_H_ 15 16 #define API_SEARCH_LEN (3 * 1024 * 1024) /* 3MB search range */ 17 18 #define UB_MAX_MR 5 /* max mem regions number */ 19 #define UB_MAX_DEV 6 /* max devices number */ 20 21 extern void *syscall_ptr; 22 extern uint32_t search_hint; 23 24 int syscall(int, int *, ...); 25 int api_search_sig(struct api_signature **sig); 26 27 /* 28 * The ub_ library calls are part of the application, not U-Boot code! They 29 * are front-end wrappers that are used by the consumer application: they 30 * prepare arguments for particular syscall and jump to the low level 31 * syscall() 32 */ 33 34 /* console */ 35 int ub_getc(void); 36 int ub_tstc(void); 37 void ub_putc(char c); 38 void ub_puts(const char *s); 39 40 /* system */ 41 void ub_reset(void); 42 struct sys_info * ub_get_sys_info(void); 43 44 /* time */ 45 void ub_udelay(unsigned long); 46 unsigned long ub_get_timer(unsigned long); 47 48 /* env vars */ 49 char * ub_env_get(const char *name); 50 void ub_env_set(const char *name, char *value); 51 const char * ub_env_enum(const char *last); 52 53 /* devices */ 54 int ub_dev_enum(void); 55 int ub_dev_open(int handle); 56 int ub_dev_close(int handle); 57 int ub_dev_read(int handle, void *buf, lbasize_t len, 58 lbastart_t start, lbasize_t *rlen); 59 int ub_dev_send(int handle, void *buf, int len); 60 int ub_dev_recv(int handle, void *buf, int len, int *rlen); 61 struct device_info * ub_dev_get(int); 62 63 /* display */ 64 int ub_display_get_info(int type, struct display_info *di); 65 int ub_display_draw_bitmap(ulong bitmap, int x, int y); 66 void ub_display_clear(void); 67 68 #endif /* _API_GLUE_H_ */ 69