1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright (C) 2017 Intel Deutschland GmbH
4 * Copyright (C) 2018-2022 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_PROFILE_NUM 4
30
31 #define ACPI_NUM_GEO_PROFILES 3
32 #define ACPI_NUM_GEO_PROFILES_REV3 8
33 #define ACPI_GEO_PER_CHAIN_SIZE 3
34
35 #define ACPI_SAR_NUM_CHAINS_REV0 2
36 #define ACPI_SAR_NUM_CHAINS_REV1 2
37 #define ACPI_SAR_NUM_CHAINS_REV2 4
38 #define ACPI_SAR_NUM_SUB_BANDS_REV0 5
39 #define ACPI_SAR_NUM_SUB_BANDS_REV1 11
40 #define ACPI_SAR_NUM_SUB_BANDS_REV2 11
41
42 #define ACPI_WRDS_WIFI_DATA_SIZE_REV0 (ACPI_SAR_NUM_CHAINS_REV0 * \
43 ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
44 #define ACPI_WRDS_WIFI_DATA_SIZE_REV1 (ACPI_SAR_NUM_CHAINS_REV1 * \
45 ACPI_SAR_NUM_SUB_BANDS_REV1 + 2)
46 #define ACPI_WRDS_WIFI_DATA_SIZE_REV2 (ACPI_SAR_NUM_CHAINS_REV2 * \
47 ACPI_SAR_NUM_SUB_BANDS_REV2 + 2)
48 #define ACPI_EWRD_WIFI_DATA_SIZE_REV0 ((ACPI_SAR_PROFILE_NUM - 1) * \
49 ACPI_SAR_NUM_CHAINS_REV0 * \
50 ACPI_SAR_NUM_SUB_BANDS_REV0 + 3)
51 #define ACPI_EWRD_WIFI_DATA_SIZE_REV1 ((ACPI_SAR_PROFILE_NUM - 1) * \
52 ACPI_SAR_NUM_CHAINS_REV1 * \
53 ACPI_SAR_NUM_SUB_BANDS_REV1 + 3)
54 #define ACPI_EWRD_WIFI_DATA_SIZE_REV2 ((ACPI_SAR_PROFILE_NUM - 1) * \
55 ACPI_SAR_NUM_CHAINS_REV2 * \
56 ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
57
58 /* revision 0 and 1 are identical, except for the semantics in the FW */
59 #define ACPI_GEO_NUM_BANDS_REV0 2
60 #define ACPI_GEO_NUM_BANDS_REV2 3
61 #define ACPI_GEO_NUM_CHAINS 2
62
63 #define ACPI_WRDD_WIFI_DATA_SIZE 2
64 #define ACPI_SPLC_WIFI_DATA_SIZE 2
65 #define ACPI_ECKV_WIFI_DATA_SIZE 2
66
67 /*
68 * TAS size: 1 elelment for type,
69 * 1 element for enabled field,
70 * 1 element for block list size,
71 * 16 elements for block list array
72 */
73 #define APCI_WTAS_BLACK_LIST_MAX 16
74 #define ACPI_WTAS_WIFI_DATA_SIZE (3 + APCI_WTAS_BLACK_LIST_MAX)
75 #define ACPI_WTAS_ENABLED_MSK 0x1
76 #define ACPI_WTAS_OVERRIDE_IEC_MSK 0x2
77 #define ACPI_WTAS_ENABLE_IEC_MSK 0x4
78 #define ACPI_WTAS_OVERRIDE_IEC_POS 0x1
79 #define ACPI_WTAS_ENABLE_IEC_POS 0x2
80 #define ACPI_WTAS_USA_UHB_MSK BIT(16)
81 #define ACPI_WTAS_USA_UHB_POS 16
82
83
84 #define ACPI_PPAG_WIFI_DATA_SIZE_V1 ((IWL_NUM_CHAIN_LIMITS * \
85 IWL_NUM_SUB_BANDS_V1) + 2)
86 #define ACPI_PPAG_WIFI_DATA_SIZE_V2 ((IWL_NUM_CHAIN_LIMITS * \
87 IWL_NUM_SUB_BANDS_V2) + 2)
88
89 /* PPAG gain value bounds in 1/8 dBm */
90 #define ACPI_PPAG_MIN_LB -16
91 #define ACPI_PPAG_MAX_LB 24
92 #define ACPI_PPAG_MIN_HB -16
93 #define ACPI_PPAG_MAX_HB 40
94 #define ACPI_PPAG_MASK 3
95 #define IWL_PPAG_ETSI_MASK BIT(0)
96
97 #define IWL_SAR_ENABLE_MSK BIT(0)
98 #define IWL_REDUCE_POWER_FLAGS_POS 1
99
100 /*
101 * The profile for revision 2 is a superset of revision 1, which is in
102 * turn a superset of revision 0. So we can store all revisions
103 * inside revision 2, which is what we represent here.
104 */
105 struct iwl_sar_profile_chain {
106 u8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
107 };
108
109 struct iwl_sar_profile {
110 bool enabled;
111 struct iwl_sar_profile_chain chains[ACPI_SAR_NUM_CHAINS_REV2];
112 };
113
114 /* Same thing as with SAR, all revisions fit in revision 2 */
115 struct iwl_geo_profile_band {
116 u8 max;
117 u8 chains[ACPI_GEO_NUM_CHAINS];
118 };
119
120 struct iwl_geo_profile {
121 struct iwl_geo_profile_band bands[ACPI_GEO_NUM_BANDS_REV2];
122 };
123
124 /* Same thing as with SAR, all revisions fit in revision 2 */
125 struct iwl_ppag_chain {
126 s8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
127 };
128
129 enum iwl_dsm_funcs_rev_0 {
130 DSM_FUNC_QUERY = 0,
131 DSM_FUNC_DISABLE_SRD = 1,
132 DSM_FUNC_ENABLE_INDONESIA_5G2 = 2,
133 DSM_FUNC_ENABLE_6E = 3,
134 DSM_FUNC_11AX_ENABLEMENT = 6,
135 DSM_FUNC_ENABLE_UNII4_CHAN = 7,
136 DSM_FUNC_ACTIVATE_CHANNEL = 8,
137 DSM_FUNC_FORCE_DISABLE_CHANNELS = 9
138 };
139
140 enum iwl_dsm_values_srd {
141 DSM_VALUE_SRD_ACTIVE,
142 DSM_VALUE_SRD_PASSIVE,
143 DSM_VALUE_SRD_DISABLE,
144 DSM_VALUE_SRD_MAX
145 };
146
147 enum iwl_dsm_values_indonesia {
148 DSM_VALUE_INDONESIA_DISABLE,
149 DSM_VALUE_INDONESIA_ENABLE,
150 DSM_VALUE_INDONESIA_RESERVED,
151 DSM_VALUE_INDONESIA_MAX
152 };
153
154 /* DSM RFI uses a different GUID, so need separate definitions */
155
156 #define DSM_RFI_FUNC_ENABLE 3
157
158 enum iwl_dsm_values_rfi {
159 DSM_VALUE_RFI_ENABLE,
160 DSM_VALUE_RFI_DISABLE,
161 DSM_VALUE_RFI_MAX
162 };
163
164 #ifdef CONFIG_ACPI
165
166 struct iwl_fw_runtime;
167
168 extern const guid_t iwl_guid;
169 extern const guid_t iwl_rfi_guid;
170
171 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
172
173 int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
174 const guid_t *guid, u8 *value);
175
176 int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
177 const guid_t *guid, u32 *value);
178
179 union acpi_object *iwl_acpi_get_wifi_pkg_range(struct device *dev,
180 union acpi_object *data,
181 int min_data_size,
182 int max_data_size,
183 int *tbl_rev);
184 /**
185 * iwl_acpi_get_mcc - read MCC from ACPI, if available
186 *
187 * @dev: the struct device
188 * @mcc: output buffer (3 bytes) that will get the MCC
189 *
190 * This function tries to read the current MCC from ACPI if available.
191 */
192 int iwl_acpi_get_mcc(struct device *dev, char *mcc);
193
194 u64 iwl_acpi_get_pwr_limit(struct device *dev);
195
196 /*
197 * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
198 *
199 * @dev: the struct device
200 * @extl_clk: output var (2 bytes) that will get the clk indication.
201 *
202 * This function tries to read the external clock indication
203 * from ACPI if available.
204 */
205 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
206
207 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
208 __le16 *per_chain, u32 n_tables, u32 n_subbands,
209 int prof_a, int prof_b);
210
211 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);
212
213 int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);
214
215 int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
216
217 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
218
219 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
220 struct iwl_per_chain_offset *table,
221 u32 n_bands, u32 n_profiles);
222
223 int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
224 union iwl_tas_config_cmd *cmd, int fw_ver);
225
226 __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);
227
228 int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);
229
230 int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *cmd,
231 int *cmd_size);
232
233 bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt);
234
235 #else /* CONFIG_ACPI */
236
iwl_acpi_get_object(struct device * dev,acpi_string method)237 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
238 {
239 return ERR_PTR(-ENOENT);
240 }
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
260 static inline union acpi_object *
iwl_acpi_get_wifi_pkg_range(struct device * dev,union acpi_object * data,int min_data_size,int max_data_size,int * tbl_rev)261 iwl_acpi_get_wifi_pkg_range(struct device *dev,
262 union acpi_object *data,
263 int min_data_size, int max_data_size,
264 int *tbl_rev)
265 {
266 return ERR_PTR(-ENOENT);
267 }
268
iwl_acpi_get_mcc(struct device * dev,char * mcc)269 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
270 {
271 return -ENOENT;
272 }
273
iwl_acpi_get_pwr_limit(struct device * dev)274 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
275 {
276 return 0;
277 }
278
iwl_acpi_get_eckv(struct device * dev,u32 * extl_clk)279 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
280 {
281 return -ENOENT;
282 }
283
iwl_sar_select_profile(struct iwl_fw_runtime * fwrt,__le16 * per_chain,u32 n_tables,u32 n_subbands,int prof_a,int prof_b)284 static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
285 __le16 *per_chain, u32 n_tables, u32 n_subbands,
286 int prof_a, int prof_b)
287 {
288 return -ENOENT;
289 }
290
iwl_sar_get_wrds_table(struct iwl_fw_runtime * fwrt)291 static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
292 {
293 return -ENOENT;
294 }
295
iwl_sar_get_ewrd_table(struct iwl_fw_runtime * fwrt)296 static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
297 {
298 return -ENOENT;
299 }
300
iwl_sar_get_wgds_table(struct iwl_fw_runtime * fwrt)301 static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
302 {
303 return 1;
304 }
305
iwl_sar_geo_support(struct iwl_fw_runtime * fwrt)306 static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
307 {
308 return false;
309 }
310
iwl_acpi_get_tas(struct iwl_fw_runtime * fwrt,union iwl_tas_config_cmd * cmd,int fw_ver)311 static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
312 union iwl_tas_config_cmd *cmd, int fw_ver)
313 {
314 return -ENOENT;
315 }
316
iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime * fwrt)317 static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
318 {
319 return 0;
320 }
321
iwl_acpi_get_ppag_table(struct iwl_fw_runtime * fwrt)322 static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
323 {
324 return -ENOENT;
325 }
326
iwl_read_ppag_table(struct iwl_fw_runtime * fwrt,union iwl_ppag_table_cmd * cmd,int * cmd_size)327 static inline int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt,
328 union iwl_ppag_table_cmd *cmd, int *cmd_size)
329 {
330 return -ENOENT;
331 }
332
iwl_acpi_is_ppag_approved(struct iwl_fw_runtime * fwrt)333 static inline bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
334 {
335 return false;
336 }
337
338 #endif /* CONFIG_ACPI */
339
340 static inline union acpi_object *
iwl_acpi_get_wifi_pkg(struct device * dev,union acpi_object * data,int data_size,int * tbl_rev)341 iwl_acpi_get_wifi_pkg(struct device *dev,
342 union acpi_object *data,
343 int data_size, int *tbl_rev)
344 {
345 return iwl_acpi_get_wifi_pkg_range(dev, data, data_size, data_size,
346 tbl_rev);
347 }
348
349 #endif /* __iwl_fw_acpi__ */
350