linux/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
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   1/******************************************************************************
   2 *
   3 * This file is provided under a dual BSD/GPLv2 license.  When using or
   4 * redistributing this file, you may do so under either license.
   5 *
   6 * GPL LICENSE SUMMARY
   7 *
   8 * Copyright(c) 2017        Intel Deutschland GmbH
   9 * Copyright(c) 2018 - 2019        Intel Corporation
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of version 2 of the GNU General Public License as
  13 * published by the Free Software Foundation.
  14 *
  15 * This program is distributed in the hope that it will be useful, but
  16 * WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 * General Public License for more details.
  19 *
  20 * The full GNU General Public License is included in this distribution
  21 * in the file called COPYING.
  22 *
  23 * Contact Information:
  24 *  Intel Linux Wireless <linuxwifi@intel.com>
  25 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26 *
  27 * BSD LICENSE
  28 *
  29 * Copyright(c) 2017        Intel Deutschland GmbH
  30 * Copyright(c) 2018 - 2019       Intel Corporation
  31 * All rights reserved.
  32 *
  33 * Redistribution and use in source and binary forms, with or without
  34 * modification, are permitted provided that the following conditions
  35 * are met:
  36 *
  37 *  * Redistributions of source code must retain the above copyright
  38 *    notice, this list of conditions and the following disclaimer.
  39 *  * Redistributions in binary form must reproduce the above copyright
  40 *    notice, this list of conditions and the following disclaimer in
  41 *    the documentation and/or other materials provided with the
  42 *    distribution.
  43 *  * Neither the name Intel Corporation nor the names of its
  44 *    contributors may be used to endorse or promote products derived
  45 *    from this software without specific prior written permission.
  46 *
  47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  48 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  49 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  50 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  51 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  52 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  53 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  57 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  58 *
  59 *****************************************************************************/
  60#ifndef __iwl_fw_acpi__
  61#define __iwl_fw_acpi__
  62
  63#include <linux/acpi.h>
  64
  65#define ACPI_WRDS_METHOD        "WRDS"
  66#define ACPI_EWRD_METHOD        "EWRD"
  67#define ACPI_WGDS_METHOD        "WGDS"
  68#define ACPI_WRDD_METHOD        "WRDD"
  69#define ACPI_SPLC_METHOD        "SPLC"
  70#define ACPI_ECKV_METHOD        "ECKV"
  71
  72#define ACPI_WIFI_DOMAIN        (0x07)
  73
  74#define ACPI_SAR_TABLE_SIZE             10
  75#define ACPI_SAR_PROFILE_NUM            4
  76
  77#define ACPI_GEO_TABLE_SIZE             6
  78#define ACPI_NUM_GEO_PROFILES           3
  79#define ACPI_GEO_PER_CHAIN_SIZE         3
  80
  81#define ACPI_SAR_NUM_CHAIN_LIMITS       2
  82#define ACPI_SAR_NUM_SUB_BANDS          5
  83
  84#define ACPI_WRDS_WIFI_DATA_SIZE        (ACPI_SAR_TABLE_SIZE + 2)
  85#define ACPI_EWRD_WIFI_DATA_SIZE        ((ACPI_SAR_PROFILE_NUM - 1) * \
  86                                         ACPI_SAR_TABLE_SIZE + 3)
  87#define ACPI_WGDS_WIFI_DATA_SIZE        19
  88#define ACPI_WRDD_WIFI_DATA_SIZE        2
  89#define ACPI_SPLC_WIFI_DATA_SIZE        2
  90#define ACPI_ECKV_WIFI_DATA_SIZE        2
  91
  92#define ACPI_WGDS_NUM_BANDS             2
  93#define ACPI_WGDS_TABLE_SIZE            3
  94
  95#ifdef CONFIG_ACPI
  96
  97void *iwl_acpi_get_object(struct device *dev, acpi_string method);
  98union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
  99                                         union acpi_object *data,
 100                                         int data_size);
 101
 102/**
 103 * iwl_acpi_get_mcc - read MCC from ACPI, if available
 104 *
 105 * @dev: the struct device
 106 * @mcc: output buffer (3 bytes) that will get the MCC
 107 *
 108 * This function tries to read the current MCC from ACPI if available.
 109 */
 110int iwl_acpi_get_mcc(struct device *dev, char *mcc);
 111
 112u64 iwl_acpi_get_pwr_limit(struct device *dev);
 113
 114/*
 115 * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
 116 *
 117 * @dev: the struct device
 118 * @extl_clk: output var (2 bytes) that will get the clk indication.
 119 *
 120 * This function tries to read the external clock indication
 121 * from ACPI if available.
 122 */
 123int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
 124
 125#else /* CONFIG_ACPI */
 126
 127static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
 128{
 129        return ERR_PTR(-ENOENT);
 130}
 131
 132static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
 133                                                       union acpi_object *data,
 134                                                       int data_size)
 135{
 136        return ERR_PTR(-ENOENT);
 137}
 138
 139static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
 140{
 141        return -ENOENT;
 142}
 143
 144static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
 145{
 146        return 0;
 147}
 148
 149static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
 150{
 151        return -ENOENT;
 152}
 153
 154#endif /* CONFIG_ACPI */
 155#endif /* __iwl_fw_acpi__ */
 156