xref: /freebsd/sys/contrib/dev/iwlwifi/fw/acpi.h (revision 47ef2a131091508e049ab10cad7f91a3c1342cd9)
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/regulatory.h"
11 #include "fw/api/commands.h"
12 #include "fw/api/power.h"
13 #include "fw/api/phy.h"
14 #include "fw/api/nvm-reg.h"
15 #include "fw/api/config.h"
16 #include "fw/img.h"
17 #include "iwl-trans.h"
18 
19 
20 #define ACPI_WRDS_METHOD	"WRDS"
21 #define ACPI_EWRD_METHOD	"EWRD"
22 #define ACPI_WGDS_METHOD	"WGDS"
23 #define ACPI_WRDD_METHOD	"WRDD"
24 #define ACPI_SPLC_METHOD	"SPLC"
25 #define ACPI_ECKV_METHOD	"ECKV"
26 #define ACPI_PPAG_METHOD	"PPAG"
27 #define ACPI_WTAS_METHOD	"WTAS"
28 #define ACPI_WPFC_METHOD	"WPFC"
29 #define ACPI_GLAI_METHOD	"GLAI"
30 #define ACPI_WBEM_METHOD	"WBEM"
31 
32 #define ACPI_WIFI_DOMAIN	(0x07)
33 
34 #define ACPI_SAR_PROFILE_NUM		4
35 
36 #define ACPI_NUM_GEO_PROFILES		3
37 #define ACPI_NUM_GEO_PROFILES_REV3	8
38 #define ACPI_GEO_PER_CHAIN_SIZE		3
39 
40 #define ACPI_SAR_NUM_CHAINS_REV0	2
41 #define ACPI_SAR_NUM_CHAINS_REV1	2
42 #define ACPI_SAR_NUM_CHAINS_REV2	4
43 #define ACPI_SAR_NUM_SUB_BANDS_REV0	5
44 #define ACPI_SAR_NUM_SUB_BANDS_REV1	11
45 #define ACPI_SAR_NUM_SUB_BANDS_REV2	11
46 
47 #define ACPI_WRDS_WIFI_DATA_SIZE_REV0	(ACPI_SAR_NUM_CHAINS_REV0 * \
48 					 ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
49 #define ACPI_WRDS_WIFI_DATA_SIZE_REV1	(ACPI_SAR_NUM_CHAINS_REV1 * \
50 					 ACPI_SAR_NUM_SUB_BANDS_REV1 + 2)
51 #define ACPI_WRDS_WIFI_DATA_SIZE_REV2	(ACPI_SAR_NUM_CHAINS_REV2 * \
52 					 ACPI_SAR_NUM_SUB_BANDS_REV2 + 2)
53 #define ACPI_EWRD_WIFI_DATA_SIZE_REV0	((ACPI_SAR_PROFILE_NUM - 1) * \
54 					 ACPI_SAR_NUM_CHAINS_REV0 * \
55 					 ACPI_SAR_NUM_SUB_BANDS_REV0 + 3)
56 #define ACPI_EWRD_WIFI_DATA_SIZE_REV1	((ACPI_SAR_PROFILE_NUM - 1) * \
57 					 ACPI_SAR_NUM_CHAINS_REV1 * \
58 					 ACPI_SAR_NUM_SUB_BANDS_REV1 + 3)
59 #define ACPI_EWRD_WIFI_DATA_SIZE_REV2	((ACPI_SAR_PROFILE_NUM - 1) * \
60 					 ACPI_SAR_NUM_CHAINS_REV2 * \
61 					 ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
62 #define ACPI_WPFC_WIFI_DATA_SIZE	5 /* domain and 4 filter config words */
63 
64 /* revision 0 and 1 are identical, except for the semantics in the FW */
65 #define ACPI_GEO_NUM_BANDS_REV0		2
66 #define ACPI_GEO_NUM_BANDS_REV2		3
67 
68 #define ACPI_WRDD_WIFI_DATA_SIZE	2
69 #define ACPI_SPLC_WIFI_DATA_SIZE	2
70 #define ACPI_ECKV_WIFI_DATA_SIZE	2
71 
72 /*
73  * One element for domain type,
74  * and one for enablement of Wi-Fi 320MHz per MCC
75  */
76 #define ACPI_WBEM_WIFI_DATA_SIZE	2
77 /*
78  * One element for domain type,
79  * and one for the status
80  */
81 #define ACPI_GLAI_WIFI_DATA_SIZE	2
82 #define ACPI_GLAI_MAX_STATUS		2
83 /*
84  * TAS size: 1 elelment for type,
85  *	     1 element for enabled field,
86  *	     1 element for block list size,
87  *	     16 elements for block list array
88  */
89 #define ACPI_WTAS_WIFI_DATA_SIZE	(3 + IWL_WTAS_BLACK_LIST_MAX)
90 
91 #define ACPI_PPAG_WIFI_DATA_SIZE_V1	((IWL_NUM_CHAIN_LIMITS * \
92 					  IWL_NUM_SUB_BANDS_V1) + 2)
93 #define ACPI_PPAG_WIFI_DATA_SIZE_V2	((IWL_NUM_CHAIN_LIMITS * \
94 					  IWL_NUM_SUB_BANDS_V2) + 2)
95 
96 #define IWL_SAR_ENABLE_MSK		BIT(0)
97 #define IWL_REDUCE_POWER_FLAGS_POS	1
98 
99 /* The Inidcator whether UEFI WIFI GUID tables are locked is read from ACPI */
100 #define UEFI_WIFI_GUID_UNLOCKED		0
101 
102 #define ACPI_DSM_REV 0
103 
104 #define IWL_ACPI_WBEM_REV0_MASK (BIT(0) | BIT(1))
105 #define IWL_ACPI_WBEM_REVISION 0
106 
107 #ifdef CONFIG_ACPI
108 
109 struct iwl_fw_runtime;
110 
111 extern const guid_t iwl_guid;
112 
113 /**
114  * iwl_acpi_get_mcc - read MCC from ACPI, if available
115  *
116  * @fwrt: the fw runtime struct
117  * @mcc: output buffer (3 bytes) that will get the MCC
118  *
119  * This function tries to read the current MCC from ACPI if available.
120  */
121 int iwl_acpi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc);
122 
123 int iwl_acpi_get_pwr_limit(struct iwl_fw_runtime *fwrt, u64 *dflt_pwr_limit);
124 
125 /*
126  * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
127  *
128  * @fwrt: the fw runtime struct
129  * @extl_clk: output var (2 bytes) that will get the clk indication.
130  *
131  * This function tries to read the external clock indication
132  * from ACPI if available.
133  */
134 int iwl_acpi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk);
135 
136 int iwl_acpi_get_wrds_table(struct iwl_fw_runtime *fwrt);
137 
138 int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt);
139 
140 int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt);
141 
142 int iwl_acpi_get_tas_table(struct iwl_fw_runtime *fwrt,
143 			   struct iwl_tas_data *data);
144 
145 int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);
146 
147 void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
148 			      struct iwl_phy_specific_cfg *filters);
149 
150 void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt);
151 
152 int iwl_acpi_get_dsm(struct iwl_fw_runtime *fwrt,
153 		     enum iwl_dsm_funcs func, u32 *value);
154 
155 int iwl_acpi_get_wbem(struct iwl_fw_runtime *fwrt, u32 *value);
156 #else /* CONFIG_ACPI */
157 
158 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
159 					    int func, union acpi_object *args)
160 {
161 	return ERR_PTR(-ENOENT);
162 }
163 
164 static inline int iwl_acpi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc)
165 {
166 	return -ENOENT;
167 }
168 
169 static inline int iwl_acpi_get_pwr_limit(struct iwl_fw_runtime *fwrt,
170 					 u64 *dflt_pwr_limit)
171 {
172 	*dflt_pwr_limit = 0;
173 	return 0;
174 }
175 
176 static inline int iwl_acpi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk)
177 {
178 	return -ENOENT;
179 }
180 
181 static inline int iwl_acpi_get_wrds_table(struct iwl_fw_runtime *fwrt)
182 {
183 	return -ENOENT;
184 }
185 
186 static inline int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)
187 {
188 	return -ENOENT;
189 }
190 
191 static inline int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)
192 {
193 	return 1;
194 }
195 
196 static inline int iwl_acpi_get_tas_table(struct iwl_fw_runtime *fwrt,
197 					 struct iwl_tas_data *data)
198 {
199 	return -ENOENT;
200 }
201 
202 static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
203 {
204 	return -ENOENT;
205 }
206 
207 /* macro since the second argument doesn't always exist */
208 #define iwl_acpi_get_phy_filters(fwrt, filters) do { } while (0)
209 
210 static inline void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt)
211 {
212 }
213 
214 static inline int iwl_acpi_get_dsm(struct iwl_fw_runtime *fwrt,
215 				   enum iwl_dsm_funcs func, u32 *value)
216 {
217 	return -ENOENT;
218 }
219 
220 static inline int iwl_acpi_get_wbem(struct iwl_fw_runtime *fwrt, u32 *value)
221 {
222 	return -ENOENT;
223 }
224 #endif /* CONFIG_ACPI */
225 
226 #endif /* __iwl_fw_acpi__ */
227