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