LXR uboot/examples/api/glue.h

   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
  21extern void *syscall_ptr;
  22extern uint32_t search_hint;
  23
  24int     syscall(int, int *, ...);
  25int     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 */
  35int     ub_getc(void);
  36int     ub_tstc(void);
  37void    ub_putc(char c);
  38void    ub_puts(const char *s);
  39
  40/* system */
  41void                    ub_reset(void);
  42struct sys_info *       ub_get_sys_info(void);
  43
  44/* time */
  45void            ub_udelay(unsigned long);
  46unsigned long   ub_get_timer(unsigned long);
  47
  48/* env vars */
  49char *          ub_env_get(const char *name);
  50void            ub_env_set(const char *name, char *value);
  51const char *    ub_env_enum(const char *last);
  52
  53/* devices */
  54int                     ub_dev_enum(void);
  55int                     ub_dev_open(int handle);
  56int                     ub_dev_close(int handle);
  57int                     ub_dev_read(int handle, void *buf, lbasize_t len,
  58                                lbastart_t start, lbasize_t *rlen);
  59int                     ub_dev_send(int handle, void *buf, int len);
  60int                     ub_dev_recv(int handle, void *buf, int len, int *rlen);
  61struct device_info *    ub_dev_get(int);
  62
  63/* display */
  64int ub_display_get_info(int type, struct display_info *di);
  65int ub_display_draw_bitmap(ulong bitmap, int x, int y);
  66void ub_display_clear(void);
  67
  68#endif /* _API_GLUE_H_ */
  69