summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
blob: 39106ccb4b9b663b6b17221b016009bbc3a821c5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
 * Copyright (C) 2017 Intel Deutschland GmbH
 * Copyright (C) 2018-2023 Intel Corporation
 */
#ifndef __iwl_fw_acpi__
#define __iwl_fw_acpi__

#include <linux/acpi.h>
#include "fw/api/commands.h"
#include "fw/api/power.h"
#include "fw/api/phy.h"
#include "fw/api/nvm-reg.h"
#include "fw/api/config.h"
#include "fw/img.h"
#include "iwl-trans.h"


#define ACPI_WRDS_METHOD	"WRDS"
#define ACPI_EWRD_METHOD	"EWRD"
#define ACPI_WGDS_METHOD	"WGDS"
#define ACPI_WRDD_METHOD	"WRDD"
#define ACPI_SPLC_METHOD	"SPLC"
#define ACPI_ECKV_METHOD	"ECKV"
#define ACPI_PPAG_METHOD	"PPAG"
#define ACPI_WTAS_METHOD	"WTAS"
#define ACPI_WPFC_METHOD	"WPFC"

#define ACPI_WIFI_DOMAIN	(0x07)

#define ACPI_SAR_PROFILE_NUM		4

#define ACPI_NUM_GEO_PROFILES		3
#define ACPI_NUM_GEO_PROFILES_REV3	8
#define ACPI_GEO_PER_CHAIN_SIZE		3

#define ACPI_SAR_NUM_CHAINS_REV0	2
#define ACPI_SAR_NUM_CHAINS_REV1	2
#define ACPI_SAR_NUM_CHAINS_REV2	4
#define ACPI_SAR_NUM_SUB_BANDS_REV0	5
#define ACPI_SAR_NUM_SUB_BANDS_REV1	11
#define ACPI_SAR_NUM_SUB_BANDS_REV2	11

#define ACPI_WRDS_WIFI_DATA_SIZE_REV0	(ACPI_SAR_NUM_CHAINS_REV0 * \
					 ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
#define ACPI_WRDS_WIFI_DATA_SIZE_REV1	(ACPI_SAR_NUM_CHAINS_REV1 * \
					 ACPI_SAR_NUM_SUB_BANDS_REV1 + 2)
#define ACPI_WRDS_WIFI_DATA_SIZE_REV2	(ACPI_SAR_NUM_CHAINS_REV2 * \
					 ACPI_SAR_NUM_SUB_BANDS_REV2 + 2)
#define ACPI_EWRD_WIFI_DATA_SIZE_REV0	((ACPI_SAR_PROFILE_NUM - 1) * \
					 ACPI_SAR_NUM_CHAINS_REV0 * \
					 ACPI_SAR_NUM_SUB_BANDS_REV0 + 3)
#define ACPI_EWRD_WIFI_DATA_SIZE_REV1	((ACPI_SAR_PROFILE_NUM - 1) * \
					 ACPI_SAR_NUM_CHAINS_REV1 * \
					 ACPI_SAR_NUM_SUB_BANDS_REV1 + 3)
#define ACPI_EWRD_WIFI_DATA_SIZE_REV2	((ACPI_SAR_PROFILE_NUM - 1) * \
					 ACPI_SAR_NUM_CHAINS_REV2 * \
					 ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
#define ACPI_WPFC_WIFI_DATA_SIZE	5 /* domain and 4 filter config words */

/* revision 0 and 1 are identical, except for the semantics in the FW */
#define ACPI_GEO_NUM_BANDS_REV0		2
#define ACPI_GEO_NUM_BANDS_REV2		3
#define ACPI_GEO_NUM_CHAINS		2

#define ACPI_WRDD_WIFI_DATA_SIZE	2
#define ACPI_SPLC_WIFI_DATA_SIZE	2
#define ACPI_ECKV_WIFI_DATA_SIZE	2

/*
 * TAS size: 1 elelment for type,
 *	     1 element for enabled field,
 *	     1 element for block list size,
 *	     16 elements for block list array
 */
#define APCI_WTAS_BLACK_LIST_MAX	16
#define ACPI_WTAS_WIFI_DATA_SIZE	(3 + APCI_WTAS_BLACK_LIST_MAX)
#define ACPI_WTAS_ENABLED_MSK		0x1
#define ACPI_WTAS_OVERRIDE_IEC_MSK	0x2
#define ACPI_WTAS_ENABLE_IEC_MSK	0x4
#define ACPI_WTAS_OVERRIDE_IEC_POS	0x1
#define ACPI_WTAS_ENABLE_IEC_POS	0x2
#define ACPI_WTAS_USA_UHB_MSK		BIT(16)
#define ACPI_WTAS_USA_UHB_POS		16


#define ACPI_PPAG_WIFI_DATA_SIZE_V1	((IWL_NUM_CHAIN_LIMITS * \
					  IWL_NUM_SUB_BANDS_V1) + 2)
#define ACPI_PPAG_WIFI_DATA_SIZE_V2	((IWL_NUM_CHAIN_LIMITS * \
					  IWL_NUM_SUB_BANDS_V2) + 2)

/* PPAG gain value bounds in 1/8 dBm */
#define ACPI_PPAG_MIN_LB -16
#define ACPI_PPAG_MAX_LB 24
#define ACPI_PPAG_MIN_HB -16
#define ACPI_PPAG_MAX_HB 40
#define ACPI_PPAG_MASK 3
#define IWL_PPAG_ETSI_MASK BIT(0)

#define IWL_SAR_ENABLE_MSK		BIT(0)
#define IWL_REDUCE_POWER_FLAGS_POS	1

/*
 * The profile for revision 2 is a superset of revision 1, which is in
 * turn a superset of revision 0.  So we can store all revisions
 * inside revision 2, which is what we represent here.
 */
struct iwl_sar_profile_chain {
	u8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
};

struct iwl_sar_profile {
	bool enabled;
	struct iwl_sar_profile_chain chains[ACPI_SAR_NUM_CHAINS_REV2];
};

/* Same thing as with SAR, all revisions fit in revision 2 */
struct iwl_geo_profile_band {
	u8 max;
	u8 chains[ACPI_GEO_NUM_CHAINS];
};

struct iwl_geo_profile {
	struct iwl_geo_profile_band bands[ACPI_GEO_NUM_BANDS_REV2];
};

/* Same thing as with SAR, all revisions fit in revision 2 */
struct iwl_ppag_chain {
	s8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
};

enum iwl_dsm_funcs_rev_0 {
	DSM_FUNC_QUERY = 0,
	DSM_FUNC_DISABLE_SRD = 1,
	DSM_FUNC_ENABLE_INDONESIA_5G2 = 2,
	DSM_FUNC_ENABLE_6E = 3,
	DSM_FUNC_REGULATORY_CONFIG = 4,
	DSM_FUNC_11AX_ENABLEMENT = 6,
	DSM_FUNC_ENABLE_UNII4_CHAN = 7,
	DSM_FUNC_ACTIVATE_CHANNEL = 8,
	DSM_FUNC_FORCE_DISABLE_CHANNELS = 9,
	DSM_FUNC_ENERGY_DETECTION_THRESHOLD = 10,
};

enum iwl_dsm_values_srd {
	DSM_VALUE_SRD_ACTIVE,
	DSM_VALUE_SRD_PASSIVE,
	DSM_VALUE_SRD_DISABLE,
	DSM_VALUE_SRD_MAX
};

enum iwl_dsm_values_indonesia {
	DSM_VALUE_INDONESIA_DISABLE,
	DSM_VALUE_INDONESIA_ENABLE,
	DSM_VALUE_INDONESIA_RESERVED,
	DSM_VALUE_INDONESIA_MAX
};

/* DSM RFI uses a different GUID, so need separate definitions */

#define DSM_RFI_FUNC_ENABLE 3

enum iwl_dsm_values_rfi {
	DSM_VALUE_RFI_ENABLE,
	DSM_VALUE_RFI_DISABLE,
	DSM_VALUE_RFI_MAX
};

enum iwl_dsm_masks_reg {
	DSM_MASK_CHINA_22_REG = BIT(2)
};

#ifdef CONFIG_ACPI

struct iwl_fw_runtime;

extern const guid_t iwl_guid;
extern const guid_t iwl_rfi_guid;

int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
			const guid_t *guid, u8 *value);

int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
			 const guid_t *guid, u32 *value);

/**
 * iwl_acpi_get_mcc - read MCC from ACPI, if available
 *
 * @dev: the struct device
 * @mcc: output buffer (3 bytes) that will get the MCC
 *
 * This function tries to read the current MCC from ACPI if available.
 */
int iwl_acpi_get_mcc(struct device *dev, char *mcc);

u64 iwl_acpi_get_pwr_limit(struct device *dev);

/*
 * iwl_acpi_get_eckv - read external clock validation from ACPI, if available
 *
 * @dev: the struct device
 * @extl_clk: output var (2 bytes) that will get the clk indication.
 *
 * This function tries to read the external clock indication
 * from ACPI if available.
 */
int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);

int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
			   __le16 *per_chain, u32 n_tables, u32 n_subbands,
			   int prof_a, int prof_b);

int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);

int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);

int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);

bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);

int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
		     struct iwl_per_chain_offset *table,
		     u32 n_bands, u32 n_profiles);

int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
		     union iwl_tas_config_cmd *cmd, int fw_ver);

__le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);

int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);

int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *cmd,
			int *cmd_size);

bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt);

void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
			      struct iwl_phy_specific_cfg *filters);

#else /* CONFIG_ACPI */

static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
					    int func, union acpi_object *args)
{
	return ERR_PTR(-ENOENT);
}

static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
				      const guid_t *guid, u8 *value)
{
	return -ENOENT;
}

static inline int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
				       const guid_t *guid, u32 *value)
{
	return -ENOENT;
}

static inline int iwl_acpi_get_mcc(struct device *dev, char *mcc)
{
	return -ENOENT;
}

static inline u64 iwl_acpi_get_pwr_limit(struct device *dev)
{
	return 0;
}

static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
{
	return -ENOENT;
}

static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
			   __le16 *per_chain, u32 n_tables, u32 n_subbands,
			   int prof_a, int prof_b)
{
	return -ENOENT;
}

static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
{
	return -ENOENT;
}

static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
{
	return -ENOENT;
}

static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
{
	return 1;
}

static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
{
	return false;
}

static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
				   union iwl_tas_config_cmd *cmd, int fw_ver)
{
	return -ENOENT;
}

static inline __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
{
	return 0;
}

static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
{
	return -ENOENT;
}

static inline int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt,
				    union iwl_ppag_table_cmd *cmd, int *cmd_size)
{
	return -ENOENT;
}

static inline bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
{
	return false;
}

static inline void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
					    struct iwl_phy_specific_cfg *filters)
{
}

#endif /* CONFIG_ACPI */

#endif /* __iwl_fw_acpi__ */