/*
 * Copyright (C) 2003-2015 FreeIPMI Core Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */

#include <stdio.h>
#include <stdlib.h>
#ifdef STDC_HEADERS
#include <string.h>
#endif /* STDC_HEADERS */
#include <assert.h>
#include <errno.h>

#include "freeipmi/locate/ipmi-locate.h"
#include "freeipmi/driver/ipmi-kcs-driver.h"
#include "freeipmi/driver/ipmi-ssif-driver.h"
#include "freeipmi/spec/ipmi-slave-address-spec.h"

#include "ipmi-locate-defs.h"
#include "ipmi-locate-trace.h"
#include "ipmi-locate-util.h"

#include "freeipmi-portability.h"

/* achu: Used to be in ipmi-smic-api.h, but that is now removed. */
#define IPMI_SMIC_SMS_IO_BASE_DEFAULT    0x0CA9

int
ipmi_locate_defaults_get_device_info (ipmi_locate_ctx_t ctx,
                                      ipmi_interface_type_t type,
                                      struct ipmi_locate_info *info)
{
  struct ipmi_locate_info linfo;

  if (!ctx || ctx->magic != IPMI_LOCATE_CTX_MAGIC)
    {
      ERR_TRACE (ipmi_locate_ctx_errormsg (ctx), ipmi_locate_ctx_errnum (ctx));
      return (-1);
    }

  if ((type != IPMI_INTERFACE_KCS
       && type != IPMI_INTERFACE_SMIC
       && type != IPMI_INTERFACE_SSIF)
      || !info)
    {
      LOCATE_SET_ERRNUM (ctx, IPMI_LOCATE_ERR_PARAMETERS);
      return (-1);
    }

  memset (&linfo, '\0', sizeof (struct ipmi_locate_info));
  linfo.interface_type = type;
  if (type == IPMI_INTERFACE_SSIF)
    {
      strncpy (linfo.driver_device, IPMI_DEFAULT_I2C_DEVICE, IPMI_LOCATE_PATH_MAX);
      linfo.driver_device[IPMI_LOCATE_PATH_MAX - 1] = '\0';
    }
  linfo.locate_driver_type = IPMI_LOCATE_DRIVER_DEFAULTS;
  switch (type)
    {
    case IPMI_INTERFACE_KCS:
      linfo.ipmi_version_major = 1;
      linfo.ipmi_version_minor = 5;
      linfo.interface_type = IPMI_INTERFACE_KCS;
      linfo.address_space_id = IPMI_ADDRESS_SPACE_ID_SYSTEM_IO;
      linfo.driver_address = IPMI_KCS_SMS_IO_BASE_DEFAULT;
      linfo.register_spacing = 1;
      break;
    case IPMI_INTERFACE_SMIC:
      linfo.ipmi_version_major = 1;
      linfo.ipmi_version_minor = 5;
      linfo.interface_type = IPMI_INTERFACE_SMIC;
      linfo.address_space_id = IPMI_ADDRESS_SPACE_ID_SYSTEM_IO;
      linfo.driver_address = IPMI_SMIC_SMS_IO_BASE_DEFAULT;
      linfo.register_spacing = 1;
      break;
    case IPMI_INTERFACE_SSIF:
      linfo.ipmi_version_major = 1;
      linfo.ipmi_version_minor = 5;
      linfo.interface_type = IPMI_INTERFACE_SSIF;
      linfo.address_space_id = IPMI_ADDRESS_SPACE_ID_SMBUS;
      linfo.driver_address = IPMI_SSIF_SMBUS_SLAVE_ADDRESS;
      linfo.register_spacing = 1;
      break;
    default:
      /* Should not reach */
      assert (0);
    }

  memcpy (info, &linfo, sizeof (struct ipmi_locate_info));
  return (0);
}
