drivers/net/wireless/intel/iwlwifi/fw/acpi.h

   1 /******************************************************************************
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   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.
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   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2017        Intel Deutschland GmbH
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  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
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  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
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  20  * along with this program;
  21  *
  22  * The full GNU General Public License is included in this distribution
  23  * in the file called COPYING.
  24  *
  25  * Contact Information:
  26  *  Intel Linux Wireless <linuxwifi@intel.com>
  27  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  31  * Copyright(c) 2017        Intel Deutschland GmbH
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  60  *****************************************************************************/
  61 #ifndef __iwl_fw_acpi__
  62 #define __iwl_fw_acpi__
  63
  64 #include <linux/acpi.h>
  65
  66 #define ACPI_WRDS_METHOD        "WRDS"
  67 #define ACPI_EWRD_METHOD        "EWRD"
  68 #define ACPI_WGDS_METHOD        "WGDS"
  69 #define ACPI_WRDD_METHOD        "WRDD"
  70 #define ACPI_SPLC_METHOD        "SPLC"
  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        18
  88 #define ACPI_WRDD_WIFI_DATA_SIZE        2
  89 #define ACPI_SPLC_WIFI_DATA_SIZE        2
  90
  91 #define ACPI_WGDS_NUM_BANDS             2
  92 #define ACPI_WGDS_TABLE_SIZE            3
  93
  94 #ifdef CONFIG_ACPI
  95
  96 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
  97 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
  98                                          union acpi_object *data,
  99                                          int data_size);
 100
 101 /**
 102  * iwl_acpi_get_mcc - read MCC from ACPI, if available
 103  *
 104  * @dev: the struct device
 105  * @mcc: output buffer (3 bytes) that will get the MCC
 106  *
 107  * This function tries to read the current MCC from ACPI if available.
 108  */
 109 int iwl_acpi_get_mcc(struct device *dev, char *mcc);
 110
 111 u64 iwl_acpi_get_pwr_limit(struct device *dev);
 112
 113 #else /* CONFIG_ACPI */
 114
 115 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
 116 {
 117         return ERR_PTR(-ENOENT);
 118 }
 119
 120 static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
 121                                                        union acpi_object *data,
 122                                                        int data_size)
 123 {
 124         return ERR_PTR(-ENOENT);
 125 }
 126
 127 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
 128 {
 129         return -ENOENT;
 130 }
 131
 132 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
 133 {
 134         return 0;
 135 }
 136
 137 #endif /* CONFIG_ACPI */
 138 #endif /* __iwl_fw_acpi__ */