xref: /linux/drivers/net/wireless/intel/iwlwifi/fw/acpi.h (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
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
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8  * 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__ */
139