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
95 /*
96 * The profile for revision 2 is a superset of revision 1, which is in
97 * turn a superset of revision 0. So we can store all revisions
98 * inside revision 2, which is what we represent here.
99 */
100 struct iwl_sar_profile_chain {
101 u8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
102 };
103
104 struct iwl_sar_profile {
105 bool enabled;
106 struct iwl_sar_profile_chain chains[ACPI_SAR_NUM_CHAINS_REV2];
107 };
108
109 /* Same thing as with SAR, all revisions fit in revision 2 */
110 struct iwl_geo_profile_band {
111 u8 max;
112 u8 chains[ACPI_GEO_NUM_CHAINS];
113 };
114
115 struct iwl_geo_profile {
116 struct iwl_geo_profile_band bands[ACPI_GEO_NUM_BANDS_REV2];
117 };
118
119 /* Same thing as with SAR, all revisions fit in revision 2 */
120 struct iwl_ppag_chain {
121 s8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
122 };
123
124 enum iwl_dsm_funcs_rev_0 {
125 DSM_FUNC_QUERY = 0,
126 DSM_FUNC_DISABLE_SRD = 1,
127 DSM_FUNC_ENABLE_INDONESIA_5G2 = 2,
128 DSM_FUNC_ENABLE_6E = 3,
129 DSM_FUNC_11AX_ENABLEMENT = 6,
130 DSM_FUNC_ENABLE_UNII4_CHAN = 7,
131 DSM_FUNC_ACTIVATE_CHANNEL = 8,
132 DSM_FUNC_FORCE_DISABLE_CHANNELS = 9
133 };
134
135 enum iwl_dsm_values_srd {
136 DSM_VALUE_SRD_ACTIVE,
137 DSM_VALUE_SRD_PASSIVE,
138 DSM_VALUE_SRD_DISABLE,
139 DSM_VALUE_SRD_MAX
140 };
141
142 enum iwl_dsm_values_indonesia {
143 DSM_VALUE_INDONESIA_DISABLE,
144 DSM_VALUE_INDONESIA_ENABLE,
145 DSM_VALUE_INDONESIA_RESERVED,
146 DSM_VALUE_INDONESIA_MAX
147 };
148
149 /* DSM RFI uses a different GUID, so need separate definitions */
150
151 #define DSM_RFI_FUNC_ENABLE 3
152
153 enum iwl_dsm_values_rfi {
154 DSM_VALUE_RFI_ENABLE,
155 DSM_VALUE_RFI_DISABLE,
156 DSM_VALUE_RFI_MAX
157 };
158
159 #ifdef CONFIG_ACPI
160
161 struct iwl_fw_runtime;
162
163 extern const guid_t iwl_guid;
164 extern const guid_t iwl_rfi_guid;
165
166 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
167
168 int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
169 const guid_t *guid, u8 *value);
170
171 int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
172 const guid_t *guid, u32 *value);
173
174 union acpi_object *iwl_acpi_get_wifi_pkg_range(struct device *dev,
175 union acpi_object *data,
176 int min_data_size,
177 int max_data_size,
178 int *tbl_rev);
179 /**
180 * iwl_acpi_get_mcc - read MCC from ACPI, if available
181 *
182 * @dev: the struct device
183 * @mcc: output buffer (3 bytes) that will get the MCC
184 *
185 * This function tries to read the current MCC from ACPI if available.
186 */
187 int iwl_acpi_get_mcc(struct device *dev, char *mcc);
188
189 u64 iwl_acpi_get_pwr_limit(struct device *dev);
190
191 /*
192 * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
193 *
194 * @dev: the struct device
195 * @extl_clk: output var (2 bytes) that will get the clk indication.
196 *
197 * This function tries to read the external clock indication
198 * from ACPI if available.
199 */
200 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
201
202 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
203 __le16 *per_chain, u32 n_tables, u32 n_subbands,
204 int prof_a, int prof_b);
205
206 int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);
207
208 int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);
209
210 int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
211
212 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
213
214 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
215 struct iwl_per_chain_offset *table,
216 u32 n_bands, u32 n_profiles);
217
218 int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
219 union iwl_tas_config_cmd *cmd, int fw_ver);
220
221 __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);
222
223 #else /* CONFIG_ACPI */
224
iwl_acpi_get_object(struct device * dev,acpi_string method)225 static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
226 {
227 return ERR_PTR(-ENOENT);
228 }
229
iwl_acpi_get_dsm_object(struct device * dev,int rev,int func,union acpi_object * args)230 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
231 int func, union acpi_object *args)
232 {
233 return ERR_PTR(-ENOENT);
234 }
235
iwl_acpi_get_dsm_u8(struct device * dev,int rev,int func,const guid_t * guid,u8 * value)236 static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
237 const guid_t *guid, u8 *value)
238 {
239 return -ENOENT;
240 }
241
iwl_acpi_get_dsm_u32(struct device * dev,int rev,int func,const guid_t * guid,u32 * value)242 static inline int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
243 const guid_t *guid, u32 *value)
244 {
245 return -ENOENT;
246 }
247
248 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)249 iwl_acpi_get_wifi_pkg_range(struct device *dev,
250 union acpi_object *data,
251 int min_data_size, int max_data_size,
252 int *tbl_rev)
253 {
254 return ERR_PTR(-ENOENT);
255 }
256
iwl_acpi_get_mcc(struct device * dev,char * mcc)257 static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
258 {
259 return -ENOENT;
260 }
261
iwl_acpi_get_pwr_limit(struct device * dev)262 static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
263 {
264 return 0;
265 }
266
iwl_acpi_get_eckv(struct device * dev,u32 * extl_clk)267 static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
268 {
269 return -ENOENT;
270 }
271
iwl_sar_select_profile(struct iwl_fw_runtime * fwrt,__le16 * per_chain,u32 n_tables,u32 n_subbands,int prof_a,int prof_b)272 static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
273 __le16 *per_chain, u32 n_tables, u32 n_subbands,
274 int prof_a, int prof_b)
275 {
276 return -ENOENT;
277 }
278
iwl_sar_get_wrds_table(struct iwl_fw_runtime * fwrt)279 static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
280 {
281 return -ENOENT;
282 }
283
iwl_sar_get_ewrd_table(struct iwl_fw_runtime * fwrt)284 static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
285 {
286 return -ENOENT;
287 }
288
iwl_sar_get_wgds_table(struct iwl_fw_runtime * fwrt)289 static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
290 {
291 return 1;
292 }
293
iwl_sar_geo_support(struct iwl_fw_runtime * fwrt)294 static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
295 {
296 return false;
297 }
298
iwl_acpi_get_tas(struct iwl_fw_runtime * fwrt,union iwl_tas_config_cmd * cmd,int fw_ver)299 static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
300 union iwl_tas_config_cmd *cmd, int fw_ver)
301 {
302 return -ENOENT;
303 }
304
iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime * fwrt)305 static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
306 {
307 return 0;
308 }
309
310 #endif /* CONFIG_ACPI */
311
312 static inline union acpi_object *
iwl_acpi_get_wifi_pkg(struct device * dev,union acpi_object * data,int data_size,int * tbl_rev)313 iwl_acpi_get_wifi_pkg(struct device *dev,
314 union acpi_object *data,
315 int data_size, int *tbl_rev)
316 {
317 return iwl_acpi_get_wifi_pkg_range(dev, data, data_size, data_size,
318 tbl_rev);
319 }
320
321 #endif /* __iwl_fw_acpi__ */
322