LXR uboot/include/api

   1/*
   2 * (C) Copyright 2007-2008 Semihalf
   3 *
   4 * Written by: Rafal Jaworowski <raj@semihalf.com>
   5 *
   6 * SPDX-License-Identifier:     GPL-2.0+        BSD-2-Clause
   7 */
   8
   9#ifndef _API_PUBLIC_H_
  10#define _API_PUBLIC_H_
  11
  12#define API_EINVAL              1       /* invalid argument(s)  */
  13#define API_ENODEV              2       /* no device            */
  14#define API_ENOMEM              3       /* no memory            */
  15#define API_EBUSY               4       /* busy, occupied etc.  */
  16#define API_EIO                 5       /* I/O error            */
  17#define API_ESYSC               6       /* syscall error        */
  18
  19typedef int (*scp_t)(int, int *, ...);
  20
  21#define API_SIG_VERSION 1
  22#define API_SIG_MAGIC   "UBootAPI"
  23#define API_SIG_MAGLEN  8
  24
  25struct api_signature {
  26        char            magic[API_SIG_MAGLEN];  /* magic string */
  27        uint16_t        version;                /* API version */
  28        uint32_t        checksum;               /* checksum of this sig struct */
  29        scp_t           syscall;                /* entry point to the API */
  30};
  31
  32enum {
  33        API_RSVD = 0,
  34        API_GETC,
  35        API_PUTC,
  36        API_TSTC,
  37        API_PUTS,
  38        API_RESET,
  39        API_GET_SYS_INFO,
  40        API_UDELAY,
  41        API_GET_TIMER,
  42        API_DEV_ENUM,
  43        API_DEV_OPEN,
  44        API_DEV_CLOSE,
  45        API_DEV_READ,
  46        API_DEV_WRITE,
  47        API_ENV_ENUM,
  48        API_ENV_GET,
  49        API_ENV_SET,
  50        API_DISPLAY_GET_INFO,
  51        API_DISPLAY_DRAW_BITMAP,
  52        API_DISPLAY_CLEAR,
  53        API_MAXCALL
  54};
  55
  56#define MR_ATTR_FLASH   0x0001
  57#define MR_ATTR_DRAM    0x0002
  58#define MR_ATTR_SRAM    0x0003
  59
  60struct mem_region {
  61        unsigned long   start;
  62        unsigned long   size;
  63        int             flags;
  64};
  65
  66struct sys_info {
  67        unsigned long           clk_bus;
  68        unsigned long           clk_cpu;
  69        unsigned long           bar;
  70        struct mem_region       *mr;
  71        int                     mr_no;  /* number of memory regions */
  72};
  73
  74#undef CONFIG_SYS_64BIT_LBA
  75#ifdef CONFIG_SYS_64BIT_LBA
  76typedef u_int64_t lbasize_t;
  77#else
  78typedef unsigned long lbasize_t;
  79#endif
  80typedef unsigned long lbastart_t;
  81
  82#define DEV_TYP_NONE    0x0000
  83#define DEV_TYP_NET     0x0001
  84
  85#define DEV_TYP_STOR    0x0002
  86#define DT_STOR_IDE     0x0010
  87#define DT_STOR_SCSI    0x0020
  88#define DT_STOR_USB     0x0040
  89#define DT_STOR_MMC     0x0080
  90#define DT_STOR_SATA    0x0100
  91
  92#define DEV_STA_CLOSED  0x0000          /* invalid, closed */
  93#define DEV_STA_OPEN    0x0001          /* open i.e. active */
  94
  95struct device_info {
  96        int     type;
  97        void    *cookie;
  98
  99        union {
 100                struct {
 101                        lbasize_t       block_count;    /* no of blocks */
 102                        unsigned long   block_size;     /* size of one block */
 103                } storage;
 104
 105                struct {
 106                        unsigned char   hwaddr[6];
 107                } net;
 108        } info;
 109#define di_stor info.storage
 110#define di_net info.net
 111
 112        int     state;
 113};
 114
 115#define DISPLAY_TYPE_LCD        0x0001
 116#define DISPLAY_TYPE_VIDEO      0x0002
 117
 118struct display_info {
 119        int type;
 120        /* screen size in pixels */
 121        int pixel_width;
 122        int pixel_height;
 123        /* screen size in rows and columns of text */
 124        int screen_rows;
 125        int screen_cols;
 126};
 127
 128#endif /* _API_PUBLIC_H_ */
 129