src/vendorcode/siemens/hwilib/hwilib.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2014 Siemens AG
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef SIEMENS_HWI_LIB_H_
  17 #define SIEMENS_HWI_LIB_H_
  18
  19 #include <types.h>
  20
  21
  22 /* Declare all supported fields which can be get with hwilib. */
  23 typedef enum {
  24         HIB_VerID = 0,
  25         SIB_VerID,
  26         EIB_VerID,
  27         HIB_HwRev,
  28         SIB_HwRev,
  29         UniqueNum,
  30         Mac1,
  31         Mac1Aux,
  32         Mac2,
  33         Mac2Aux,
  34         Mac3,
  35         Mac3Aux,
  36         Mac4,
  37         Mac4Aux,
  38         SPD,
  39         FF_FreezeDis,
  40         FF_FanReq,
  41         BiosFlags,
  42         MacMapping1,
  43         MacMapping2,
  44         MacMapping3,
  45         MacMapping4,
  46         PF_Color_Depth,
  47         PF_DisplType,
  48         PF_DisplCon,
  49         Edid,
  50         VddRef
  51 } hwinfo_field_t;
  52
  53 /* Define used values in supported fields */
  54 #define PF_COLOR_DEPTH_6BIT     0x00
  55 #define PF_COLOR_DEPTH_8BIT     0x01
  56 #define PF_COLOR_DEPTH_10BIT    0x02
  57 #define PF_DISPLCON_LVDS_SINGLE 0x00
  58 #define PF_DISPLCON_LVDS_DUAL   0x05
  59 #define FF_FREEZE_DISABLE       0x01
  60 #define FF_FAN_NEEDED           0x01
  61
  62 /* Use this function to find all supported blocks in cbfs. It must be called
  63  * once with a valid cbfs file name before hwilib_get_field() can be used.
  64  */
  65 enum cb_err hwilib_find_blocks (const char *hwi_filename);
  66
  67 /* Use this function to get fields out of supported info blocks
  68  * This function returns the number of copied bytes or 0 on error.
  69  */
  70 uint32_t hwilib_get_field (hwinfo_field_t field, uint8_t *data, uint32_t maxlen);
  71
  72 /* This functions needs to be implemented for every mainboard that uses i210. */
  73 enum cb_err mainboard_get_mac_address(u16 bus, u8 devfn, u8 mac[6]);
  74 #endif /* SIEMENS_HWI_LIB_H_ */