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 #define ACPI_PPAG_METHOD "PPAG" 72 73 #define ACPI_WIFI_DOMAIN (0x07) 74 75 #define ACPI_SAR_TABLE_SIZE 10 76 #define ACPI_SAR_PROFILE_NUM 4 77 78 #define ACPI_GEO_TABLE_SIZE 6 79 #define ACPI_NUM_GEO_PROFILES 3 80 #define ACPI_GEO_PER_CHAIN_SIZE 3 81 82 #define ACPI_SAR_NUM_CHAIN_LIMITS 2 83 #define ACPI_SAR_NUM_SUB_BANDS 5 84 85 #define ACPI_WRDS_WIFI_DATA_SIZE (ACPI_SAR_TABLE_SIZE + 2) 86 #define ACPI_EWRD_WIFI_DATA_SIZE ((ACPI_SAR_PROFILE_NUM - 1) * \ 87 ACPI_SAR_TABLE_SIZE + 3) 88 #define ACPI_WGDS_WIFI_DATA_SIZE 19 89 #define ACPI_WRDD_WIFI_DATA_SIZE 2 90 #define ACPI_SPLC_WIFI_DATA_SIZE 2 91 #define ACPI_ECKV_WIFI_DATA_SIZE 2 92 93 #define ACPI_WGDS_NUM_BANDS 2 94 #define ACPI_WGDS_TABLE_SIZE 3 95 96 #define ACPI_PPAG_NUM_CHAINS 2 97 #define ACPI_PPAG_NUM_SUB_BANDS 5 98 #define ACPI_PPAG_WIFI_DATA_SIZE ((ACPI_PPAG_NUM_CHAINS * \ 99 ACPI_PPAG_NUM_SUB_BANDS) + 3) 100 101 /* PPAG gain value bounds in 1/8 dBm */ 102 #define ACPI_PPAG_MIN_LB -16 103 #define ACPI_PPAG_MAX_LB 24 104 #define ACPI_PPAG_MIN_HB -16 105 #define ACPI_PPAG_MAX_HB 40 106 107 #ifdef CONFIG_ACPI 108 109 void *iwl_acpi_get_object(struct device *dev, acpi_string method); 110 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev, 111 union acpi_object *data, 112 int data_size, int *tbl_rev); 113 114 /** 115 * iwl_acpi_get_mcc - read MCC from ACPI, if available 116 * 117 * @dev: the struct device 118 * @mcc: output buffer (3 bytes) that will get the MCC 119 * 120 * This function tries to read the current MCC from ACPI if available. 121 */ 122 int iwl_acpi_get_mcc(struct device *dev, char *mcc); 123 124 u64 iwl_acpi_get_pwr_limit(struct device *dev); 125 126 /* 127 * iwl_acpi_get_eckv - read external clock validation from ACPI, if available 128 * 129 * @dev: the struct device 130 * @extl_clk: output var (2 bytes) that will get the clk indication. 131 * 132 * This function tries to read the external clock indication 133 * from ACPI if available. 134 */ 135 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk); 136 137 #else /* CONFIG_ACPI */ 138 139 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method) 140 { 141 return ERR_PTR(-ENOENT); 142 } 143 144 static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev, 145 union acpi_object *data, 146 int data_size, 147 int *tbl_rev) 148 { 149 return ERR_PTR(-ENOENT); 150 } 151 152 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc) 153 { 154 return -ENOENT; 155 } 156 157 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev) 158 { 159 return 0; 160 } 161 162 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk) 163 { 164 return -ENOENT; 165 } 166 167 #endif /* CONFIG_ACPI */ 168 #endif /* __iwl_fw_acpi__ */ 169