1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright (C) 2017 Intel Deutschland GmbH
4 * Copyright (C) 2018-2023 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/api/config.h"
15 #include "fw/img.h"
16 #include "iwl-trans.h"
17
18
19 #define ACPI_WRDS_METHOD "WRDS"
20 #define ACPI_EWRD_METHOD "EWRD"
21 #define ACPI_WGDS_METHOD "WGDS"
22 #define ACPI_WRDD_METHOD "WRDD"
23 #define ACPI_SPLC_METHOD "SPLC"
24 #define ACPI_ECKV_METHOD "ECKV"
25 #define ACPI_PPAG_METHOD "PPAG"
26 #define ACPI_WTAS_METHOD "WTAS"
27 #define ACPI_WPFC_METHOD "WPFC"
28
29 #define ACPI_WIFI_DOMAIN (0x07)
30
31 #define ACPI_SAR_PROFILE_NUM 4
32
33 #define ACPI_NUM_GEO_PROFILES 3
34 #define ACPI_NUM_GEO_PROFILES_REV3 8
35 #define ACPI_GEO_PER_CHAIN_SIZE 3
36
37 #define ACPI_SAR_NUM_CHAINS_REV0 2
38 #define ACPI_SAR_NUM_CHAINS_REV1 2
39 #define ACPI_SAR_NUM_CHAINS_REV2 4
40 #define ACPI_SAR_NUM_SUB_BANDS_REV0 5
41 #define ACPI_SAR_NUM_SUB_BANDS_REV1 11
42 #define ACPI_SAR_NUM_SUB_BANDS_REV2 11
43
44 #define ACPI_WRDS_WIFI_DATA_SIZE_REV0 (ACPI_SAR_NUM_CHAINS_REV0 * \
45 ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
46 #define ACPI_WRDS_WIFI_DATA_SIZE_REV1 (ACPI_SAR_NUM_CHAINS_REV1 * \
47 ACPI_SAR_NUM_SUB_BANDS_REV1 + 2)
48 #define ACPI_WRDS_WIFI_DATA_SIZE_REV2 (ACPI_SAR_NUM_CHAINS_REV2 * \
49 ACPI_SAR_NUM_SUB_BANDS_REV2 + 2)
50 #define ACPI_EWRD_WIFI_DATA_SIZE_REV0 ((ACPI_SAR_PROFILE_NUM - 1) * \
51 ACPI_SAR_NUM_CHAINS_REV0 * \
52 ACPI_SAR_NUM_SUB_BANDS_REV0 + 3)
53 #define ACPI_EWRD_WIFI_DATA_SIZE_REV1 ((ACPI_SAR_PROFILE_NUM - 1) * \
54 ACPI_SAR_NUM_CHAINS_REV1 * \
55 ACPI_SAR_NUM_SUB_BANDS_REV1 + 3)
56 #define ACPI_EWRD_WIFI_DATA_SIZE_REV2 ((ACPI_SAR_PROFILE_NUM - 1) * \
57 ACPI_SAR_NUM_CHAINS_REV2 * \
58 ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
59 #define ACPI_WPFC_WIFI_DATA_SIZE 4 /* 4 filter config words */
60
61 /* revision 0 and 1 are identical, except for the semantics in the FW */
62 #define ACPI_GEO_NUM_BANDS_REV0 2
63 #define ACPI_GEO_NUM_BANDS_REV2 3
64 #define ACPI_GEO_NUM_CHAINS 2
65
66 #define ACPI_WRDD_WIFI_DATA_SIZE 2
67 #define ACPI_SPLC_WIFI_DATA_SIZE 2
68 #define ACPI_ECKV_WIFI_DATA_SIZE 2
69
70 /*
71 * TAS size: 1 elelment for type,
72 * 1 element for enabled field,
73 * 1 element for block list size,
74 * 16 elements for block list array
75 */
76 #define APCI_WTAS_BLACK_LIST_MAX 16
77 #define ACPI_WTAS_WIFI_DATA_SIZE (3 + APCI_WTAS_BLACK_LIST_MAX)
78 #define ACPI_WTAS_ENABLED_MSK 0x1
79 #define ACPI_WTAS_OVERRIDE_IEC_MSK 0x2
80 #define ACPI_WTAS_ENABLE_IEC_MSK 0x4
81 #define ACPI_WTAS_OVERRIDE_IEC_POS 0x1
82 #define ACPI_WTAS_ENABLE_IEC_POS 0x2
83 #define ACPI_WTAS_USA_UHB_MSK BIT(16)
84 #define ACPI_WTAS_USA_UHB_POS 16
85
86
87 #define ACPI_PPAG_WIFI_DATA_SIZE_V1 ((IWL_NUM_CHAIN_LIMITS * \
88 IWL_NUM_SUB_BANDS_V1) + 2)
89 #define ACPI_PPAG_WIFI_DATA_SIZE_V2 ((IWL_NUM_CHAIN_LIMITS * \
90 IWL_NUM_SUB_BANDS_V2) + 2)
91
92 /* PPAG gain value bounds in 1/8 dBm */
93 #define ACPI_PPAG_MIN_LB -16
94 #define ACPI_PPAG_MAX_LB 24
95 #define ACPI_PPAG_MIN_HB -16
96 #define ACPI_PPAG_MAX_HB 40
97 #define ACPI_PPAG_MASK 3
98 #define IWL_PPAG_ETSI_MASK BIT(0)
99
100 #define IWL_SAR_ENABLE_MSK BIT(0)
101 #define IWL_REDUCE_POWER_FLAGS_POS 1
102
103 /*
104 * The profile for revision 2 is a superset of revision 1, which is in
105 * turn a superset of revision 0. So we can store all revisions
106 * inside revision 2, which is what we represent here.
107 */
108 struct iwl_sar_profile_chain {
109 u8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
110 };
111
112 struct iwl_sar_profile {
113 bool enabled;
114 struct iwl_sar_profile_chain chains[ACPI_SAR_NUM_CHAINS_REV2];
115 };
116
117 /* Same thing as with SAR, all revisions fit in revision 2 */
118 struct iwl_geo_profile_band {
119 u8 max;
120 u8 chains[ACPI_GEO_NUM_CHAINS];
121 };
122
123 struct iwl_geo_profile {
124 struct iwl_geo_profile_band bands[ACPI_GEO_NUM_BANDS_REV2];
125 };
126
127 /* Same thing as with SAR, all revisions fit in revision 2 */
128 struct iwl_ppag_chain {
129 s8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
130 };
131
132 enum iwl_dsm_funcs_rev_0 {
133 DSM_FUNC_QUERY = 0,
134 DSM_FUNC_DISABLE_SRD = 1,
135 DSM_FUNC_ENABLE_INDONESIA_5G2 = 2,
136 DSM_FUNC_ENABLE_6E = 3,
137 DSM_FUNC_REGULATORY_CONFIG = 4,
138 DSM_FUNC_11AX_ENABLEMENT = 6,
139 DSM_FUNC_ENABLE_UNII4_CHAN = 7,
140 DSM_FUNC_ACTIVATE_CHANNEL = 8,
141 DSM_FUNC_FORCE_DISABLE_CHANNELS = 9,
142 DSM_FUNC_ENERGY_DETECTION_THRESHOLD = 10,
143 };
144
145 enum iwl_dsm_values_srd {
146 DSM_VALUE_SRD_ACTIVE,
147 DSM_VALUE_SRD_PASSIVE,
148 DSM_VALUE_SRD_DISABLE,
149 DSM_VALUE_SRD_MAX
150 };
151
152 enum iwl_dsm_values_indonesia {
153 DSM_VALUE_INDONESIA_DISABLE,
154 DSM_VALUE_INDONESIA_ENABLE,
155 DSM_VALUE_INDONESIA_RESERVED,
156 DSM_VALUE_INDONESIA_MAX
157 };
158
159 /* DSM RFI uses a different GUID, so need separate definitions */
160
161 #define DSM_RFI_FUNC_ENABLE 3
162
163 enum iwl_dsm_values_rfi {
164 DSM_VALUE_RFI_ENABLE,
165 DSM_VALUE_RFI_DISABLE,
166 DSM_VALUE_RFI_MAX
167 };
168
169 enum iwl_dsm_masks_reg {
170 DSM_MASK_CHINA_22_REG = BIT(2)
171 };
172
173 #ifdef CONFIG_ACPI
174
175 struct iwl_fw_runtime;
176
177 extern const guid_t iwl_guid;
178 extern const guid_t iwl_rfi_guid;
179
180 int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
181 const guid_t *guid, u8 *value);
182
183 int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
184 const guid_t *guid, u32 *value);
185
186 /**
187 * iwl_acpi_get_mcc - read MCC from ACPI, if available
188 *
189 * @dev: the struct device
190 * @mcc: output buffer (3 bytes) that will get the MCC
191 *
192 * This function tries to read the current MCC from ACPI if available.
193 */
194 int iwl_acpi_get_mcc(struct device *dev, char *mcc);
195
196 u64 iwl_acpi_get_pwr_limit(struct device *dev);
197
198 /*
199 * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
200 *
201 * @dev: the struct device
202 * @extl_clk: output var (2 bytes) that will get the clk indication.
203 *
204 * This function tries to read the external clock indication
205 * from ACPI if available.
206 */
207 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
208
209 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
210 __le16 *per_chain, u32 n_tables, u32 n_subbands,
211 int prof_a, int prof_b);
212
213 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);
214
215 int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);
216
217 int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
218
219 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
220
221 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
222 struct iwl_per_chain_offset *table,
223 u32 n_bands, u32 n_profiles);
224
225 int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
226 union iwl_tas_config_cmd *cmd, int fw_ver);
227
228 __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);
229
230 int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);
231
232 int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *cmd,
233 int *cmd_size);
234
235 bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt);
236
237 void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
238 struct iwl_phy_specific_cfg *filters);
239
240 #else /* CONFIG_ACPI */
241
iwl_acpi_get_dsm_object(struct device * dev,int rev,int func,union acpi_object * args)242 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
243 int func, union acpi_object *args)
244 {
245 return ERR_PTR(-ENOENT);
246 }
247
iwl_acpi_get_dsm_u8(struct device * dev,int rev,int func,const guid_t * guid,u8 * value)248 static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
249 const guid_t *guid, u8 *value)
250 {
251 return -ENOENT;
252 }
253
iwl_acpi_get_dsm_u32(struct device * dev,int rev,int func,const guid_t * guid,u32 * value)254 static inline int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
255 const guid_t *guid, u32 *value)
256 {
257 return -ENOENT;
258 }
259
iwl_acpi_get_mcc(struct device * dev,char * mcc)260 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
261 {
262 return -ENOENT;
263 }
264
iwl_acpi_get_pwr_limit(struct device * dev)265 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
266 {
267 return 0;
268 }
269
iwl_acpi_get_eckv(struct device * dev,u32 * extl_clk)270 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
271 {
272 return -ENOENT;
273 }
274
iwl_sar_select_profile(struct iwl_fw_runtime * fwrt,__le16 * per_chain,u32 n_tables,u32 n_subbands,int prof_a,int prof_b)275 static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
276 __le16 *per_chain, u32 n_tables, u32 n_subbands,
277 int prof_a, int prof_b)
278 {
279 return -ENOENT;
280 }
281
iwl_sar_get_wrds_table(struct iwl_fw_runtime * fwrt)282 static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
283 {
284 return -ENOENT;
285 }
286
iwl_sar_get_ewrd_table(struct iwl_fw_runtime * fwrt)287 static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
288 {
289 return -ENOENT;
290 }
291
iwl_sar_get_wgds_table(struct iwl_fw_runtime * fwrt)292 static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
293 {
294 return 1;
295 }
296
iwl_sar_geo_support(struct iwl_fw_runtime * fwrt)297 static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
298 {
299 return false;
300 }
301
iwl_acpi_get_tas(struct iwl_fw_runtime * fwrt,union iwl_tas_config_cmd * cmd,int fw_ver)302 static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
303 union iwl_tas_config_cmd *cmd, int fw_ver)
304 {
305 return -ENOENT;
306 }
307
iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime * fwrt)308 static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
309 {
310 return 0;
311 }
312
iwl_acpi_get_ppag_table(struct iwl_fw_runtime * fwrt)313 static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
314 {
315 return -ENOENT;
316 }
317
iwl_read_ppag_table(struct iwl_fw_runtime * fwrt,union iwl_ppag_table_cmd * cmd,int * cmd_size)318 static inline int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt,
319 union iwl_ppag_table_cmd *cmd, int *cmd_size)
320 {
321 return -ENOENT;
322 }
323
iwl_acpi_is_ppag_approved(struct iwl_fw_runtime * fwrt)324 static inline bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
325 {
326 return false;
327 }
328
iwl_acpi_get_phy_filters(struct iwl_fw_runtime * fwrt,struct iwl_phy_specific_cfg * filters)329 static inline void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
330 struct iwl_phy_specific_cfg *filters)
331 {
332 }
333
334 #endif /* CONFIG_ACPI */
335
336 #endif /* __iwl_fw_acpi__ */
337