1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2017 Intel Deutschland GmbH
4  * Copyright (C) 2018-2021 Intel Corporation
5  */
6 #ifndef __iwl_fw_acpi__
7 #define __iwl_fw_acpi__
8 
9 #include <linux/acpi.h>
10 #include "fw/api/commands.h"
11 #include "fw/api/power.h"
12 #include "fw/api/phy.h"
13 #include "fw/api/nvm-reg.h"
14 #include "fw/img.h"
15 #include "iwl-trans.h"
16 
17 
18 #define ACPI_WRDS_METHOD	"WRDS"
19 #define ACPI_EWRD_METHOD	"EWRD"
20 #define ACPI_WGDS_METHOD	"WGDS"
21 #define ACPI_WRDD_METHOD	"WRDD"
22 #define ACPI_SPLC_METHOD	"SPLC"
23 #define ACPI_ECKV_METHOD	"ECKV"
24 #define ACPI_PPAG_METHOD	"PPAG"
25 #define ACPI_WTAS_METHOD	"WTAS"
26 
27 #define ACPI_WIFI_DOMAIN	(0x07)
28 
29 #define ACPI_SAR_TABLE_SIZE		10
30 #define ACPI_SAR_PROFILE_NUM		4
31 
32 #define ACPI_GEO_TABLE_SIZE		6
33 #define ACPI_NUM_GEO_PROFILES		3
34 #define ACPI_GEO_PER_CHAIN_SIZE		3
35 
36 #define ACPI_SAR_NUM_CHAIN_LIMITS	2
37 #define ACPI_SAR_NUM_SUB_BANDS		5
38 #define ACPI_SAR_NUM_TABLES		1
39 
40 #define ACPI_WRDS_WIFI_DATA_SIZE	(ACPI_SAR_TABLE_SIZE + 2)
41 #define ACPI_EWRD_WIFI_DATA_SIZE	((ACPI_SAR_PROFILE_NUM - 1) * \
42 					 ACPI_SAR_TABLE_SIZE + 3)
43 #define ACPI_WGDS_WIFI_DATA_SIZE	19
44 #define ACPI_WRDD_WIFI_DATA_SIZE	2
45 #define ACPI_SPLC_WIFI_DATA_SIZE	2
46 #define ACPI_ECKV_WIFI_DATA_SIZE	2
47 
48 /*
49  * 1 type, 1 enabled, 1 block list size, 16 block list array
50  */
51 #define APCI_WTAS_BLACK_LIST_MAX	16
52 #define ACPI_WTAS_WIFI_DATA_SIZE	(3 + APCI_WTAS_BLACK_LIST_MAX)
53 
54 #define ACPI_WGDS_TABLE_SIZE		3
55 
56 #define ACPI_PPAG_WIFI_DATA_SIZE_V1	((IWL_NUM_CHAIN_LIMITS * \
57 					  IWL_NUM_SUB_BANDS_V1) + 2)
58 #define ACPI_PPAG_WIFI_DATA_SIZE_V2	((IWL_NUM_CHAIN_LIMITS * \
59 					  IWL_NUM_SUB_BANDS_V2) + 2)
60 
61 /* PPAG gain value bounds in 1/8 dBm */
62 #define ACPI_PPAG_MIN_LB -16
63 #define ACPI_PPAG_MAX_LB 24
64 #define ACPI_PPAG_MIN_HB -16
65 #define ACPI_PPAG_MAX_HB 40
66 
67 struct iwl_sar_profile {
68 	bool enabled;
69 	u8 table[ACPI_SAR_TABLE_SIZE];
70 };
71 
72 struct iwl_geo_profile {
73 	u8 values[ACPI_GEO_TABLE_SIZE];
74 };
75 
76 enum iwl_dsm_funcs_rev_0 {
77 	DSM_FUNC_QUERY = 0,
78 	DSM_FUNC_DISABLE_SRD = 1,
79 	DSM_FUNC_ENABLE_INDONESIA_5G2 = 2,
80 	DSM_FUNC_11AX_ENABLEMENT = 6,
81 	DSM_FUNC_ENABLE_UNII4_CHAN = 7
82 };
83 
84 enum iwl_dsm_values_srd {
85 	DSM_VALUE_SRD_ACTIVE,
86 	DSM_VALUE_SRD_PASSIVE,
87 	DSM_VALUE_SRD_DISABLE,
88 	DSM_VALUE_SRD_MAX
89 };
90 
91 enum iwl_dsm_values_indonesia {
92 	DSM_VALUE_INDONESIA_DISABLE,
93 	DSM_VALUE_INDONESIA_ENABLE,
94 	DSM_VALUE_INDONESIA_RESERVED,
95 	DSM_VALUE_INDONESIA_MAX
96 };
97 
98 /* DSM RFI uses a different GUID, so need separate definitions */
99 
100 #define DSM_RFI_FUNC_ENABLE 3
101 
102 enum iwl_dsm_values_rfi {
103 	DSM_VALUE_RFI_ENABLE,
104 	DSM_VALUE_RFI_DISABLE,
105 	DSM_VALUE_RFI_MAX
106 };
107 
108 #ifdef CONFIG_ACPI
109 
110 struct iwl_fw_runtime;
111 
112 extern const guid_t iwl_guid;
113 extern const guid_t iwl_rfi_guid;
114 
115 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
116 
117 int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
118 			const guid_t *guid, u8 *value);
119 
120 int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
121 			 const guid_t *guid, u32 *value);
122 
123 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
124 					 union acpi_object *data,
125 					 int data_size, int *tbl_rev);
126 
127 /**
128  * iwl_acpi_get_mcc - read MCC from ACPI, if available
129  *
130  * @dev: the struct device
131  * @mcc: output buffer (3 bytes) that will get the MCC
132  *
133  * This function tries to read the current MCC from ACPI if available.
134  */
135 int iwl_acpi_get_mcc(struct device *dev, char *mcc);
136 
137 u64 iwl_acpi_get_pwr_limit(struct device *dev);
138 
139 /*
140  * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
141  *
142  * @dev: the struct device
143  * @extl_clk: output var (2 bytes) that will get the clk indication.
144  *
145  * This function tries to read the external clock indication
146  * from ACPI if available.
147  */
148 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
149 
150 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
151 			   __le16 *per_chain, u32 n_tables, u32 n_subbands,
152 			   int prof_a, int prof_b);
153 
154 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);
155 
156 int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);
157 
158 int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
159 
160 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
161 
162 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
163 		     struct iwl_per_chain_offset *table, u32 n_bands);
164 
165 int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, __le32 *block_list_array,
166 		     int *block_list_size);
167 
168 __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);
169 
170 #else /* CONFIG_ACPI */
171 
172 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
173 {
174 	return ERR_PTR(-ENOENT);
175 }
176 
177 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
178 					    int func, union acpi_object *args)
179 {
180 	return ERR_PTR(-ENOENT);
181 }
182 
183 static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
184 				      const guid_t *guid, u8 *value)
185 {
186 	return -ENOENT;
187 }
188 
189 static inline int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
190 				       const guid_t *guid, u32 *value)
191 {
192 	return -ENOENT;
193 }
194 
195 static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
196 						       union acpi_object *data,
197 						       int data_size,
198 						       int *tbl_rev)
199 {
200 	return ERR_PTR(-ENOENT);
201 }
202 
203 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
204 {
205 	return -ENOENT;
206 }
207 
208 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
209 {
210 	return 0;
211 }
212 
213 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
214 {
215 	return -ENOENT;
216 }
217 
218 static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
219 			   __le16 *per_chain, u32 n_tables, u32 n_subbands,
220 			   int prof_a, int prof_b)
221 {
222 	return -ENOENT;
223 }
224 
225 static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
226 {
227 	return -ENOENT;
228 }
229 
230 static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
231 {
232 	return -ENOENT;
233 }
234 
235 static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
236 {
237 	return -ENOENT;
238 }
239 
240 static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
241 {
242 	return false;
243 }
244 
245 static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
246 				   __le32 *block_list_array,
247 				   int *block_list_size)
248 {
249 	return -ENOENT;
250 }
251 
252 static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
253 {
254 	return 0;
255 }
256 
257 #endif /* CONFIG_ACPI */
258 #endif /* __iwl_fw_acpi__ */
259