xref: /linux/drivers/net/wireless/intel/iwlwifi/fw/acpi.h (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856)
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 
31 #define ACPI_WIFI_DOMAIN	(0x07)
32 
33 #define ACPI_SAR_PROFILE_NUM		4
34 
35 #define ACPI_NUM_GEO_PROFILES		3
36 #define ACPI_NUM_GEO_PROFILES_REV3	8
37 #define ACPI_GEO_PER_CHAIN_SIZE		3
38 
39 #define ACPI_SAR_NUM_CHAINS_REV0	2
40 #define ACPI_SAR_NUM_CHAINS_REV1	2
41 #define ACPI_SAR_NUM_CHAINS_REV2	4
42 #define ACPI_SAR_NUM_SUB_BANDS_REV0	5
43 #define ACPI_SAR_NUM_SUB_BANDS_REV1	11
44 #define ACPI_SAR_NUM_SUB_BANDS_REV2	11
45 
46 #define ACPI_WRDS_WIFI_DATA_SIZE_REV0	(ACPI_SAR_NUM_CHAINS_REV0 * \
47 					 ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
48 #define ACPI_WRDS_WIFI_DATA_SIZE_REV1	(ACPI_SAR_NUM_CHAINS_REV1 * \
49 					 ACPI_SAR_NUM_SUB_BANDS_REV1 + 2)
50 #define ACPI_WRDS_WIFI_DATA_SIZE_REV2	(ACPI_SAR_NUM_CHAINS_REV2 * \
51 					 ACPI_SAR_NUM_SUB_BANDS_REV2 + 2)
52 #define ACPI_EWRD_WIFI_DATA_SIZE_REV0	((ACPI_SAR_PROFILE_NUM - 1) * \
53 					 ACPI_SAR_NUM_CHAINS_REV0 * \
54 					 ACPI_SAR_NUM_SUB_BANDS_REV0 + 3)
55 #define ACPI_EWRD_WIFI_DATA_SIZE_REV1	((ACPI_SAR_PROFILE_NUM - 1) * \
56 					 ACPI_SAR_NUM_CHAINS_REV1 * \
57 					 ACPI_SAR_NUM_SUB_BANDS_REV1 + 3)
58 #define ACPI_EWRD_WIFI_DATA_SIZE_REV2	((ACPI_SAR_PROFILE_NUM - 1) * \
59 					 ACPI_SAR_NUM_CHAINS_REV2 * \
60 					 ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
61 #define ACPI_WPFC_WIFI_DATA_SIZE	5 /* domain and 4 filter config words */
62 
63 /* revision 0 and 1 are identical, except for the semantics in the FW */
64 #define ACPI_GEO_NUM_BANDS_REV0		2
65 #define ACPI_GEO_NUM_BANDS_REV2		3
66 
67 #define ACPI_WRDD_WIFI_DATA_SIZE	2
68 #define ACPI_SPLC_WIFI_DATA_SIZE	2
69 #define ACPI_ECKV_WIFI_DATA_SIZE	2
70 /*
71  * One element for domain type,
72  * and one for the status
73  */
74 #define ACPI_GLAI_WIFI_DATA_SIZE	2
75 #define ACPI_GLAI_MAX_STATUS		2
76 /*
77  * TAS size: 1 elelment for type,
78  *	     1 element for enabled field,
79  *	     1 element for block list size,
80  *	     16 elements for block list array
81  */
82 #define ACPI_WTAS_WIFI_DATA_SIZE	(3 + IWL_WTAS_BLACK_LIST_MAX)
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 #define IWL_SAR_ENABLE_MSK		BIT(0)
90 #define IWL_REDUCE_POWER_FLAGS_POS	1
91 
92 /* The Inidcator whether UEFI WIFI GUID tables are locked is read from ACPI */
93 #define UEFI_WIFI_GUID_UNLOCKED		0
94 
95 #define ACPI_DSM_REV 0
96 
97 #ifdef CONFIG_ACPI
98 
99 struct iwl_fw_runtime;
100 
101 extern const guid_t iwl_guid;
102 
103 /**
104  * iwl_acpi_get_mcc - read MCC from ACPI, if available
105  *
106  * @fwrt: the fw runtime struct
107  * @mcc: output buffer (3 bytes) that will get the MCC
108  *
109  * This function tries to read the current MCC from ACPI if available.
110  */
111 int iwl_acpi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc);
112 
113 int iwl_acpi_get_pwr_limit(struct iwl_fw_runtime *fwrt, u64 *dflt_pwr_limit);
114 
115 /*
116  * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
117  *
118  * @fwrt: the fw runtime struct
119  * @extl_clk: output var (2 bytes) that will get the clk indication.
120  *
121  * This function tries to read the external clock indication
122  * from ACPI if available.
123  */
124 int iwl_acpi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk);
125 
126 int iwl_acpi_get_wrds_table(struct iwl_fw_runtime *fwrt);
127 
128 int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt);
129 
130 int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt);
131 
132 int iwl_acpi_get_tas_table(struct iwl_fw_runtime *fwrt,
133 			   struct iwl_tas_data *data);
134 
135 int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);
136 
137 void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
138 			      struct iwl_phy_specific_cfg *filters);
139 
140 void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt);
141 
142 int iwl_acpi_get_dsm(struct iwl_fw_runtime *fwrt,
143 		     enum iwl_dsm_funcs func, u32 *value);
144 
145 #else /* CONFIG_ACPI */
146 
147 static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
148 					    int func, union acpi_object *args)
149 {
150 	return ERR_PTR(-ENOENT);
151 }
152 
153 static inline int iwl_acpi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc)
154 {
155 	return -ENOENT;
156 }
157 
158 static inline int iwl_acpi_get_pwr_limit(struct iwl_fw_runtime *fwrt,
159 					 u64 *dflt_pwr_limit)
160 {
161 	*dflt_pwr_limit = 0;
162 	return 0;
163 }
164 
165 static inline int iwl_acpi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk)
166 {
167 	return -ENOENT;
168 }
169 
170 static inline int iwl_acpi_get_wrds_table(struct iwl_fw_runtime *fwrt)
171 {
172 	return -ENOENT;
173 }
174 
175 static inline int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)
176 {
177 	return -ENOENT;
178 }
179 
180 static inline int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)
181 {
182 	return 1;
183 }
184 
185 static inline int iwl_acpi_get_tas_table(struct iwl_fw_runtime *fwrt,
186 					 struct iwl_tas_data *data)
187 {
188 	return -ENOENT;
189 }
190 
191 static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
192 {
193 	return -ENOENT;
194 }
195 
196 /* macro since the second argument doesn't always exist */
197 #define iwl_acpi_get_phy_filters(fwrt, filters) do { } while (0)
198 
199 static inline void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt)
200 {
201 }
202 
203 static inline int iwl_acpi_get_dsm(struct iwl_fw_runtime *fwrt,
204 				   enum iwl_dsm_funcs func, u32 *value)
205 {
206 	return -ENOENT;
207 }
208 #endif /* CONFIG_ACPI */
209 
210 #endif /* __iwl_fw_acpi__ */
211