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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
9  * Copyright(c) 2018 - 2019        Intel Corporation
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60 #ifndef __iwl_fw_acpi__
61 #define __iwl_fw_acpi__
62 
63 #include <linux/acpi.h>
64 #include "fw/api/commands.h"
65 #include "fw/api/power.h"
66 #include "fw/api/phy.h"
67 #include "fw/img.h"
68 #include "iwl-trans.h"
69 
70 
71 #define ACPI_WRDS_METHOD	"WRDS"
72 #define ACPI_EWRD_METHOD	"EWRD"
73 #define ACPI_WGDS_METHOD	"WGDS"
74 #define ACPI_WRDD_METHOD	"WRDD"
75 #define ACPI_SPLC_METHOD	"SPLC"
76 #define ACPI_ECKV_METHOD	"ECKV"
77 #define ACPI_PPAG_METHOD	"PPAG"
78 
79 #define ACPI_WIFI_DOMAIN	(0x07)
80 
81 #define ACPI_SAR_TABLE_SIZE		10
82 #define ACPI_SAR_PROFILE_NUM		4
83 
84 #define ACPI_GEO_TABLE_SIZE		6
85 #define ACPI_NUM_GEO_PROFILES		3
86 #define ACPI_GEO_PER_CHAIN_SIZE		3
87 
88 #define ACPI_SAR_NUM_CHAIN_LIMITS	2
89 #define ACPI_SAR_NUM_SUB_BANDS		5
90 
91 #define ACPI_WRDS_WIFI_DATA_SIZE	(ACPI_SAR_TABLE_SIZE + 2)
92 #define ACPI_EWRD_WIFI_DATA_SIZE	((ACPI_SAR_PROFILE_NUM - 1) * \
93 					 ACPI_SAR_TABLE_SIZE + 3)
94 #define ACPI_WGDS_WIFI_DATA_SIZE	19
95 #define ACPI_WRDD_WIFI_DATA_SIZE	2
96 #define ACPI_SPLC_WIFI_DATA_SIZE	2
97 #define ACPI_ECKV_WIFI_DATA_SIZE	2
98 
99 #define ACPI_WGDS_NUM_BANDS		2
100 #define ACPI_WGDS_TABLE_SIZE		3
101 
102 #define ACPI_PPAG_NUM_CHAINS		2
103 #define ACPI_PPAG_NUM_SUB_BANDS		5
104 #define ACPI_PPAG_WIFI_DATA_SIZE	((ACPI_PPAG_NUM_CHAINS * \
105 					ACPI_PPAG_NUM_SUB_BANDS) + 3)
106 
107 /* PPAG gain value bounds in 1/8 dBm */
108 #define ACPI_PPAG_MIN_LB -16
109 #define ACPI_PPAG_MAX_LB 24
110 #define ACPI_PPAG_MIN_HB -16
111 #define ACPI_PPAG_MAX_HB 40
112 
113 struct iwl_sar_profile {
114 	bool enabled;
115 	u8 table[ACPI_SAR_TABLE_SIZE];
116 };
117 
118 struct iwl_geo_profile {
119 	u8 values[ACPI_GEO_TABLE_SIZE];
120 };
121 
122 #ifdef CONFIG_ACPI
123 
124 struct iwl_fw_runtime;
125 
126 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
127 
128 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
129 					 union acpi_object *data,
130 					 int data_size, int *tbl_rev);
131 
132 /**
133  * iwl_acpi_get_mcc - read MCC from ACPI, if available
134  *
135  * @dev: the struct device
136  * @mcc: output buffer (3 bytes) that will get the MCC
137  *
138  * This function tries to read the current MCC from ACPI if available.
139  */
140 int iwl_acpi_get_mcc(struct device *dev, char *mcc);
141 
142 u64 iwl_acpi_get_pwr_limit(struct device *dev);
143 
144 /*
145  * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
146  *
147  * @dev: the struct device
148  * @extl_clk: output var (2 bytes) that will get the clk indication.
149  *
150  * This function tries to read the external clock indication
151  * from ACPI if available.
152  */
153 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
154 
155 int iwl_sar_set_profile(union acpi_object *table,
156 			struct iwl_sar_profile *profile,
157 			bool enabled);
158 
159 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
160 			   __le16 per_chain_restriction[][IWL_NUM_SUB_BANDS],
161 			   int prof_a, int prof_b);
162 
163 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);
164 
165 int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);
166 
167 int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
168 
169 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
170 
171 int iwl_validate_sar_geo_profile(struct iwl_fw_runtime *fwrt,
172 				 struct iwl_host_cmd *cmd);
173 
174 void iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
175 		      struct iwl_per_chain_offset_group *table);
176 #else /* CONFIG_ACPI */
177 
178 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
179 {
180 	return ERR_PTR(-ENOENT);
181 }
182 
183 static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
184 						       union acpi_object *data,
185 						       int data_size,
186 						       int *tbl_rev)
187 {
188 	return ERR_PTR(-ENOENT);
189 }
190 
191 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
192 {
193 	return -ENOENT;
194 }
195 
196 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
197 {
198 	return 0;
199 }
200 
201 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
202 {
203 	return -ENOENT;
204 }
205 
206 static inline int iwl_sar_set_profile(union acpi_object *table,
207 				      struct iwl_sar_profile *profile,
208 				      bool enabled)
209 {
210 	return -ENOENT;
211 }
212 
213 static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
214 			   __le16 per_chain_restriction[][IWL_NUM_SUB_BANDS],
215 			   int prof_a, int prof_b)
216 {
217 	return -ENOENT;
218 }
219 
220 static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
221 {
222 	return -ENOENT;
223 }
224 
225 static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
226 {
227 	return -ENOENT;
228 }
229 
230 static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
231 {
232 	return -ENOENT;
233 }
234 
235 static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
236 {
237 	return false;
238 }
239 
240 static inline int iwl_validate_sar_geo_profile(struct iwl_fw_runtime *fwrt,
241 					       struct iwl_host_cmd *cmd)
242 {
243 	return -ENOENT;
244 }
245 
246 static inline void iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
247 				    struct iwl_per_chain_offset_group *table)
248 {
249 }
250 
251 #endif /* CONFIG_ACPI */
252 #endif /* __iwl_fw_acpi__ */
253