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1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/*
3 * Copyright (C) 2005-2014, 2020-2021 Intel Corporation
4 * Copyright (C) 2016 Intel Deutschland GmbH
5 */
6#include <linux/slab.h>
7#include <linux/string.h>
8#include <linux/export.h>
9
10#include "iwl-drv.h"
11#include "iwl-phy-db.h"
12#include "iwl-debug.h"
13#include "iwl-op-mode.h"
14#include "iwl-trans.h"
15
16struct iwl_phy_db_entry {
17 u16 size;
18 u8 *data;
19};
20
21/**
22 * struct iwl_phy_db - stores phy configuration and calibration data.
23 *
24 * @cfg: phy configuration.
25 * @calib_nch: non channel specific calibration data.
26 * @n_group_papd: number of entries in papd channel group.
27 * @calib_ch_group_papd: calibration data related to papd channel group.
28 * @n_group_txp: number of entries in tx power channel group.
29 * @calib_ch_group_txp: calibration data related to tx power chanel group.
30 * @trans: transport layer
31 */
32struct iwl_phy_db {
33 struct iwl_phy_db_entry cfg;
34 struct iwl_phy_db_entry calib_nch;
35 int n_group_papd;
36 struct iwl_phy_db_entry *calib_ch_group_papd;
37 int n_group_txp;
38 struct iwl_phy_db_entry *calib_ch_group_txp;
39
40 struct iwl_trans *trans;
41};
42
43enum iwl_phy_db_section_type {
44 IWL_PHY_DB_CFG = 1,
45 IWL_PHY_DB_CALIB_NCH,
46 IWL_PHY_DB_UNUSED,
47 IWL_PHY_DB_CALIB_CHG_PAPD,
48 IWL_PHY_DB_CALIB_CHG_TXP,
49 IWL_PHY_DB_MAX
50};
51
52#define PHY_DB_CMD 0x6c
53
54/* for parsing of tx power channel group data that comes from the firmware*/
55struct iwl_phy_db_chg_txp {
56 __le32 space;
57 __le16 max_channel_idx;
58} __packed;
59
60struct iwl_phy_db *iwl_phy_db_init(struct iwl_trans *trans)
61{
62 struct iwl_phy_db *phy_db = kzalloc(sizeof(struct iwl_phy_db),
63 GFP_KERNEL);
64
65 if (!phy_db)
66 return phy_db;
67
68 phy_db->trans = trans;
69
70 phy_db->n_group_txp = -1;
71 phy_db->n_group_papd = -1;
72
73 /* TODO: add default values of the phy db. */
74 return phy_db;
75}
76IWL_EXPORT_SYMBOL(iwl_phy_db_init);
77
78/*
79 * get phy db section: returns a pointer to a phy db section specified by
80 * type and channel group id.
81 */
82static struct iwl_phy_db_entry *
83iwl_phy_db_get_section(struct iwl_phy_db *phy_db,
84 enum iwl_phy_db_section_type type,
85 u16 chg_id)
86{
87 if (!phy_db || type >= IWL_PHY_DB_MAX)
88 return NULL;
89
90 switch (type) {
91 case IWL_PHY_DB_CFG:
92 return &phy_db->cfg;
93 case IWL_PHY_DB_CALIB_NCH:
94 return &phy_db->calib_nch;
95 case IWL_PHY_DB_CALIB_CHG_PAPD:
96 if (chg_id >= phy_db->n_group_papd)
97 return NULL;
98 return &phy_db->calib_ch_group_papd[chg_id];
99 case IWL_PHY_DB_CALIB_CHG_TXP:
100 if (chg_id >= phy_db->n_group_txp)
101 return NULL;
102 return &phy_db->calib_ch_group_txp[chg_id];
103 default:
104 return NULL;
105 }
106 return NULL;
107}
108
109static void iwl_phy_db_free_section(struct iwl_phy_db *phy_db,
110 enum iwl_phy_db_section_type type,
111 u16 chg_id)
112{
113 struct iwl_phy_db_entry *entry =
114 iwl_phy_db_get_section(phy_db, type, chg_id);
115 if (!entry)
116 return;
117
118 kfree(entry->data);
119 entry->data = NULL;
120 entry->size = 0;
121}
122
123void iwl_phy_db_free(struct iwl_phy_db *phy_db)
124{
125 int i;
126
127 if (!phy_db)
128 return;
129
130 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CFG, 0);
131 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_NCH, 0);
132
133 for (i = 0; i < phy_db->n_group_papd; i++)
134 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_PAPD, i);
135 kfree(phy_db->calib_ch_group_papd);
136
137 for (i = 0; i < phy_db->n_group_txp; i++)
138 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_TXP, i);
139 kfree(phy_db->calib_ch_group_txp);
140
141 kfree(phy_db);
142}
143IWL_EXPORT_SYMBOL(iwl_phy_db_free);
144
145int iwl_phy_db_set_section(struct iwl_phy_db *phy_db,
146 struct iwl_rx_packet *pkt)
147{
148 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
149 struct iwl_calib_res_notif_phy_db *phy_db_notif =
150 (struct iwl_calib_res_notif_phy_db *)pkt->data;
151 enum iwl_phy_db_section_type type;
152 u16 size;
153 struct iwl_phy_db_entry *entry;
154 u16 chg_id = 0;
155
156 if (pkt_len < sizeof(*phy_db_notif))
157 return -EINVAL;
158
159 type = le16_to_cpu(phy_db_notif->type);
160 size = le16_to_cpu(phy_db_notif->length);
161
162 if (pkt_len < sizeof(*phy_db_notif) + size)
163 return -EINVAL;
164
165 if (!phy_db)
166 return -EINVAL;
167
168 if (type == IWL_PHY_DB_CALIB_CHG_PAPD) {
169 chg_id = le16_to_cpup((__le16 *)phy_db_notif->data);
170 if (phy_db && !phy_db->calib_ch_group_papd) {
171 /*
172 * Firmware sends the largest index first, so we can use
173 * it to know how much we should allocate.
174 */
175 phy_db->calib_ch_group_papd = kcalloc(chg_id + 1,
176 sizeof(struct iwl_phy_db_entry),
177 GFP_ATOMIC);
178 if (!phy_db->calib_ch_group_papd)
179 return -ENOMEM;
180 phy_db->n_group_papd = chg_id + 1;
181 }
182 } else if (type == IWL_PHY_DB_CALIB_CHG_TXP) {
183 chg_id = le16_to_cpup((__le16 *)phy_db_notif->data);
184 if (phy_db && !phy_db->calib_ch_group_txp) {
185 /*
186 * Firmware sends the largest index first, so we can use
187 * it to know how much we should allocate.
188 */
189 phy_db->calib_ch_group_txp = kcalloc(chg_id + 1,
190 sizeof(struct iwl_phy_db_entry),
191 GFP_ATOMIC);
192 if (!phy_db->calib_ch_group_txp)
193 return -ENOMEM;
194 phy_db->n_group_txp = chg_id + 1;
195 }
196 }
197
198 entry = iwl_phy_db_get_section(phy_db, type, chg_id);
199 if (!entry)
200 return -EINVAL;
201
202 kfree(entry->data);
203 entry->data = kmemdup(phy_db_notif->data, size, GFP_ATOMIC);
204 if (!entry->data) {
205 entry->size = 0;
206 return -ENOMEM;
207 }
208
209 entry->size = size;
210
211 IWL_DEBUG_INFO(phy_db->trans,
212 "%s(%d): [PHYDB]SET: Type %d , Size: %d\n",
213 __func__, __LINE__, type, size);
214
215 return 0;
216}
217IWL_EXPORT_SYMBOL(iwl_phy_db_set_section);
218
219static int is_valid_channel(u16 ch_id)
220{
221 if (ch_id <= 14 ||
222 (36 <= ch_id && ch_id <= 64 && ch_id % 4 == 0) ||
223 (100 <= ch_id && ch_id <= 140 && ch_id % 4 == 0) ||
224 (145 <= ch_id && ch_id <= 165 && ch_id % 4 == 1))
225 return 1;
226 return 0;
227}
228
229static u8 ch_id_to_ch_index(u16 ch_id)
230{
231 if (WARN_ON(!is_valid_channel(ch_id)))
232 return 0xff;
233
234 if (ch_id <= 14)
235 return ch_id - 1;
236 if (ch_id <= 64)
237 return (ch_id + 20) / 4;
238 if (ch_id <= 140)
239 return (ch_id - 12) / 4;
240 return (ch_id - 13) / 4;
241}
242
243
244static u16 channel_id_to_papd(u16 ch_id)
245{
246 if (WARN_ON(!is_valid_channel(ch_id)))
247 return 0xff;
248
249 if (1 <= ch_id && ch_id <= 14)
250 return 0;
251 if (36 <= ch_id && ch_id <= 64)
252 return 1;
253 if (100 <= ch_id && ch_id <= 140)
254 return 2;
255 return 3;
256}
257
258static u16 channel_id_to_txp(struct iwl_phy_db *phy_db, u16 ch_id)
259{
260 struct iwl_phy_db_chg_txp *txp_chg;
261 int i;
262 u8 ch_index = ch_id_to_ch_index(ch_id);
263 if (ch_index == 0xff)
264 return 0xff;
265
266 for (i = 0; i < phy_db->n_group_txp; i++) {
267 txp_chg = (void *)phy_db->calib_ch_group_txp[i].data;
268 if (!txp_chg)
269 return 0xff;
270 /*
271 * Looking for the first channel group that its max channel is
272 * higher then wanted channel.
273 */
274 if (le16_to_cpu(txp_chg->max_channel_idx) >= ch_index)
275 return i;
276 }
277 return 0xff;
278}
279static
280int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,
281 u32 type, u8 **data, u16 *size, u16 ch_id)
282{
283 struct iwl_phy_db_entry *entry;
284 u16 ch_group_id = 0;
285
286 if (!phy_db)
287 return -EINVAL;
288
289 /* find wanted channel group */
290 if (type == IWL_PHY_DB_CALIB_CHG_PAPD)
291 ch_group_id = channel_id_to_papd(ch_id);
292 else if (type == IWL_PHY_DB_CALIB_CHG_TXP)
293 ch_group_id = channel_id_to_txp(phy_db, ch_id);
294
295 entry = iwl_phy_db_get_section(phy_db, type, ch_group_id);
296 if (!entry)
297 return -EINVAL;
298
299 *data = entry->data;
300 *size = entry->size;
301
302 IWL_DEBUG_INFO(phy_db->trans,
303 "%s(%d): [PHYDB] GET: Type %d , Size: %d\n",
304 __func__, __LINE__, type, *size);
305
306 return 0;
307}
308
309static int iwl_send_phy_db_cmd(struct iwl_phy_db *phy_db, u16 type,
310 u16 length, void *data)
311{
312 struct iwl_phy_db_cmd phy_db_cmd;
313 struct iwl_host_cmd cmd = {
314 .id = PHY_DB_CMD,
315 };
316
317 IWL_DEBUG_INFO(phy_db->trans,
318 "Sending PHY-DB hcmd of type %d, of length %d\n",
319 type, length);
320
321 /* Set phy db cmd variables */
322 phy_db_cmd.type = cpu_to_le16(type);
323 phy_db_cmd.length = cpu_to_le16(length);
324
325 /* Set hcmd variables */
326 cmd.data[0] = &phy_db_cmd;
327 cmd.len[0] = sizeof(struct iwl_phy_db_cmd);
328 cmd.data[1] = data;
329 cmd.len[1] = length;
330 cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
331
332 return iwl_trans_send_cmd(phy_db->trans, &cmd);
333}
334
335static int iwl_phy_db_send_all_channel_groups(
336 struct iwl_phy_db *phy_db,
337 enum iwl_phy_db_section_type type,
338 u8 max_ch_groups)
339{
340 u16 i;
341 int err;
342 struct iwl_phy_db_entry *entry;
343
344 /* Send all the channel specific groups to operational fw */
345 for (i = 0; i < max_ch_groups; i++) {
346 entry = iwl_phy_db_get_section(phy_db,
347 type,
348 i);
349 if (!entry)
350 return -EINVAL;
351
352 if (!entry->size)
353 continue;
354
355 /* Send the requested PHY DB section */
356 err = iwl_send_phy_db_cmd(phy_db,
357 type,
358 entry->size,
359 entry->data);
360 if (err) {
361 IWL_ERR(phy_db->trans,
362 "Can't SEND phy_db section %d (%d), err %d\n",
363 type, i, err);
364 return err;
365 }
366
367 IWL_DEBUG_INFO(phy_db->trans,
368 "Sent PHY_DB HCMD, type = %d num = %d\n",
369 type, i);
370 }
371
372 return 0;
373}
374
375int iwl_send_phy_db_data(struct iwl_phy_db *phy_db)
376{
377 u8 *data = NULL;
378 u16 size = 0;
379 int err;
380
381 IWL_DEBUG_INFO(phy_db->trans,
382 "Sending phy db data and configuration to runtime image\n");
383
384 /* Send PHY DB CFG section */
385 err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CFG,
386 &data, &size, 0);
387 if (err) {
388 IWL_ERR(phy_db->trans, "Cannot get Phy DB cfg section\n");
389 return err;
390 }
391
392 err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CFG, size, data);
393 if (err) {
394 IWL_ERR(phy_db->trans,
395 "Cannot send HCMD of Phy DB cfg section\n");
396 return err;
397 }
398
399 err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CALIB_NCH,
400 &data, &size, 0);
401 if (err) {
402 IWL_ERR(phy_db->trans,
403 "Cannot get Phy DB non specific channel section\n");
404 return err;
405 }
406
407 err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CALIB_NCH, size, data);
408 if (err) {
409 IWL_ERR(phy_db->trans,
410 "Cannot send HCMD of Phy DB non specific channel section\n");
411 return err;
412 }
413
414 /* Send all the TXP channel specific data */
415 err = iwl_phy_db_send_all_channel_groups(phy_db,
416 IWL_PHY_DB_CALIB_CHG_PAPD,
417 phy_db->n_group_papd);
418 if (err) {
419 IWL_ERR(phy_db->trans,
420 "Cannot send channel specific PAPD groups\n");
421 return err;
422 }
423
424 /* Send all the TXP channel specific data */
425 err = iwl_phy_db_send_all_channel_groups(phy_db,
426 IWL_PHY_DB_CALIB_CHG_TXP,
427 phy_db->n_group_txp);
428 if (err) {
429 IWL_ERR(phy_db->trans,
430 "Cannot send channel specific TX power groups\n");
431 return err;
432 }
433
434 IWL_DEBUG_INFO(phy_db->trans,
435 "Finished sending phy db non channel data\n");
436 return 0;
437}
438IWL_EXPORT_SYMBOL(iwl_send_phy_db_data);
1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <linuxwifi@intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *
62 *****************************************************************************/
63
64#include <linux/slab.h>
65#include <linux/string.h>
66#include <linux/export.h>
67
68#include "iwl-drv.h"
69#include "iwl-phy-db.h"
70#include "iwl-debug.h"
71#include "iwl-op-mode.h"
72#include "iwl-trans.h"
73
74#define CHANNEL_NUM_SIZE 4 /* num of channels in calib_ch size */
75#define IWL_NUM_PAPD_CH_GROUPS 9
76#define IWL_NUM_TXP_CH_GROUPS 9
77
78struct iwl_phy_db_entry {
79 u16 size;
80 u8 *data;
81};
82
83/**
84 * struct iwl_phy_db - stores phy configuration and calibration data.
85 *
86 * @cfg: phy configuration.
87 * @calib_nch: non channel specific calibration data.
88 * @calib_ch: channel specific calibration data.
89 * @calib_ch_group_papd: calibration data related to papd channel group.
90 * @calib_ch_group_txp: calibration data related to tx power chanel group.
91 */
92struct iwl_phy_db {
93 struct iwl_phy_db_entry cfg;
94 struct iwl_phy_db_entry calib_nch;
95 struct iwl_phy_db_entry calib_ch_group_papd[IWL_NUM_PAPD_CH_GROUPS];
96 struct iwl_phy_db_entry calib_ch_group_txp[IWL_NUM_TXP_CH_GROUPS];
97
98 struct iwl_trans *trans;
99};
100
101enum iwl_phy_db_section_type {
102 IWL_PHY_DB_CFG = 1,
103 IWL_PHY_DB_CALIB_NCH,
104 IWL_PHY_DB_UNUSED,
105 IWL_PHY_DB_CALIB_CHG_PAPD,
106 IWL_PHY_DB_CALIB_CHG_TXP,
107 IWL_PHY_DB_MAX
108};
109
110#define PHY_DB_CMD 0x6c /* TEMP API - The actual is 0x8c */
111
112/*
113 * phy db - configure operational ucode
114 */
115struct iwl_phy_db_cmd {
116 __le16 type;
117 __le16 length;
118 u8 data[];
119} __packed;
120
121/* for parsing of tx power channel group data that comes from the firmware*/
122struct iwl_phy_db_chg_txp {
123 __le32 space;
124 __le16 max_channel_idx;
125} __packed;
126
127/*
128 * phy db - Receive phy db chunk after calibrations
129 */
130struct iwl_calib_res_notif_phy_db {
131 __le16 type;
132 __le16 length;
133 u8 data[];
134} __packed;
135
136struct iwl_phy_db *iwl_phy_db_init(struct iwl_trans *trans)
137{
138 struct iwl_phy_db *phy_db = kzalloc(sizeof(struct iwl_phy_db),
139 GFP_KERNEL);
140
141 if (!phy_db)
142 return phy_db;
143
144 phy_db->trans = trans;
145
146 /* TODO: add default values of the phy db. */
147 return phy_db;
148}
149IWL_EXPORT_SYMBOL(iwl_phy_db_init);
150
151/*
152 * get phy db section: returns a pointer to a phy db section specified by
153 * type and channel group id.
154 */
155static struct iwl_phy_db_entry *
156iwl_phy_db_get_section(struct iwl_phy_db *phy_db,
157 enum iwl_phy_db_section_type type,
158 u16 chg_id)
159{
160 if (!phy_db || type >= IWL_PHY_DB_MAX)
161 return NULL;
162
163 switch (type) {
164 case IWL_PHY_DB_CFG:
165 return &phy_db->cfg;
166 case IWL_PHY_DB_CALIB_NCH:
167 return &phy_db->calib_nch;
168 case IWL_PHY_DB_CALIB_CHG_PAPD:
169 if (chg_id >= IWL_NUM_PAPD_CH_GROUPS)
170 return NULL;
171 return &phy_db->calib_ch_group_papd[chg_id];
172 case IWL_PHY_DB_CALIB_CHG_TXP:
173 if (chg_id >= IWL_NUM_TXP_CH_GROUPS)
174 return NULL;
175 return &phy_db->calib_ch_group_txp[chg_id];
176 default:
177 return NULL;
178 }
179 return NULL;
180}
181
182static void iwl_phy_db_free_section(struct iwl_phy_db *phy_db,
183 enum iwl_phy_db_section_type type,
184 u16 chg_id)
185{
186 struct iwl_phy_db_entry *entry =
187 iwl_phy_db_get_section(phy_db, type, chg_id);
188 if (!entry)
189 return;
190
191 kfree(entry->data);
192 entry->data = NULL;
193 entry->size = 0;
194}
195
196void iwl_phy_db_free(struct iwl_phy_db *phy_db)
197{
198 int i;
199
200 if (!phy_db)
201 return;
202
203 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CFG, 0);
204 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_NCH, 0);
205 for (i = 0; i < IWL_NUM_PAPD_CH_GROUPS; i++)
206 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_PAPD, i);
207 for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++)
208 iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_TXP, i);
209
210 kfree(phy_db);
211}
212IWL_EXPORT_SYMBOL(iwl_phy_db_free);
213
214int iwl_phy_db_set_section(struct iwl_phy_db *phy_db, struct iwl_rx_packet *pkt,
215 gfp_t alloc_ctx)
216{
217 struct iwl_calib_res_notif_phy_db *phy_db_notif =
218 (struct iwl_calib_res_notif_phy_db *)pkt->data;
219 enum iwl_phy_db_section_type type = le16_to_cpu(phy_db_notif->type);
220 u16 size = le16_to_cpu(phy_db_notif->length);
221 struct iwl_phy_db_entry *entry;
222 u16 chg_id = 0;
223
224 if (!phy_db)
225 return -EINVAL;
226
227 if (type == IWL_PHY_DB_CALIB_CHG_PAPD ||
228 type == IWL_PHY_DB_CALIB_CHG_TXP)
229 chg_id = le16_to_cpup((__le16 *)phy_db_notif->data);
230
231 entry = iwl_phy_db_get_section(phy_db, type, chg_id);
232 if (!entry)
233 return -EINVAL;
234
235 kfree(entry->data);
236 entry->data = kmemdup(phy_db_notif->data, size, alloc_ctx);
237 if (!entry->data) {
238 entry->size = 0;
239 return -ENOMEM;
240 }
241
242 entry->size = size;
243
244 IWL_DEBUG_INFO(phy_db->trans,
245 "%s(%d): [PHYDB]SET: Type %d , Size: %d\n",
246 __func__, __LINE__, type, size);
247
248 return 0;
249}
250IWL_EXPORT_SYMBOL(iwl_phy_db_set_section);
251
252static int is_valid_channel(u16 ch_id)
253{
254 if (ch_id <= 14 ||
255 (36 <= ch_id && ch_id <= 64 && ch_id % 4 == 0) ||
256 (100 <= ch_id && ch_id <= 140 && ch_id % 4 == 0) ||
257 (145 <= ch_id && ch_id <= 165 && ch_id % 4 == 1))
258 return 1;
259 return 0;
260}
261
262static u8 ch_id_to_ch_index(u16 ch_id)
263{
264 if (WARN_ON(!is_valid_channel(ch_id)))
265 return 0xff;
266
267 if (ch_id <= 14)
268 return ch_id - 1;
269 if (ch_id <= 64)
270 return (ch_id + 20) / 4;
271 if (ch_id <= 140)
272 return (ch_id - 12) / 4;
273 return (ch_id - 13) / 4;
274}
275
276
277static u16 channel_id_to_papd(u16 ch_id)
278{
279 if (WARN_ON(!is_valid_channel(ch_id)))
280 return 0xff;
281
282 if (1 <= ch_id && ch_id <= 14)
283 return 0;
284 if (36 <= ch_id && ch_id <= 64)
285 return 1;
286 if (100 <= ch_id && ch_id <= 140)
287 return 2;
288 return 3;
289}
290
291static u16 channel_id_to_txp(struct iwl_phy_db *phy_db, u16 ch_id)
292{
293 struct iwl_phy_db_chg_txp *txp_chg;
294 int i;
295 u8 ch_index = ch_id_to_ch_index(ch_id);
296 if (ch_index == 0xff)
297 return 0xff;
298
299 for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++) {
300 txp_chg = (void *)phy_db->calib_ch_group_txp[i].data;
301 if (!txp_chg)
302 return 0xff;
303 /*
304 * Looking for the first channel group that its max channel is
305 * higher then wanted channel.
306 */
307 if (le16_to_cpu(txp_chg->max_channel_idx) >= ch_index)
308 return i;
309 }
310 return 0xff;
311}
312static
313int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,
314 u32 type, u8 **data, u16 *size, u16 ch_id)
315{
316 struct iwl_phy_db_entry *entry;
317 u16 ch_group_id = 0;
318
319 if (!phy_db)
320 return -EINVAL;
321
322 /* find wanted channel group */
323 if (type == IWL_PHY_DB_CALIB_CHG_PAPD)
324 ch_group_id = channel_id_to_papd(ch_id);
325 else if (type == IWL_PHY_DB_CALIB_CHG_TXP)
326 ch_group_id = channel_id_to_txp(phy_db, ch_id);
327
328 entry = iwl_phy_db_get_section(phy_db, type, ch_group_id);
329 if (!entry)
330 return -EINVAL;
331
332 *data = entry->data;
333 *size = entry->size;
334
335 IWL_DEBUG_INFO(phy_db->trans,
336 "%s(%d): [PHYDB] GET: Type %d , Size: %d\n",
337 __func__, __LINE__, type, *size);
338
339 return 0;
340}
341
342static int iwl_send_phy_db_cmd(struct iwl_phy_db *phy_db, u16 type,
343 u16 length, void *data)
344{
345 struct iwl_phy_db_cmd phy_db_cmd;
346 struct iwl_host_cmd cmd = {
347 .id = PHY_DB_CMD,
348 };
349
350 IWL_DEBUG_INFO(phy_db->trans,
351 "Sending PHY-DB hcmd of type %d, of length %d\n",
352 type, length);
353
354 /* Set phy db cmd variables */
355 phy_db_cmd.type = cpu_to_le16(type);
356 phy_db_cmd.length = cpu_to_le16(length);
357
358 /* Set hcmd variables */
359 cmd.data[0] = &phy_db_cmd;
360 cmd.len[0] = sizeof(struct iwl_phy_db_cmd);
361 cmd.data[1] = data;
362 cmd.len[1] = length;
363 cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
364
365 return iwl_trans_send_cmd(phy_db->trans, &cmd);
366}
367
368static int iwl_phy_db_send_all_channel_groups(
369 struct iwl_phy_db *phy_db,
370 enum iwl_phy_db_section_type type,
371 u8 max_ch_groups)
372{
373 u16 i;
374 int err;
375 struct iwl_phy_db_entry *entry;
376
377 /* Send all the channel specific groups to operational fw */
378 for (i = 0; i < max_ch_groups; i++) {
379 entry = iwl_phy_db_get_section(phy_db,
380 type,
381 i);
382 if (!entry)
383 return -EINVAL;
384
385 if (!entry->size)
386 continue;
387
388 /* Send the requested PHY DB section */
389 err = iwl_send_phy_db_cmd(phy_db,
390 type,
391 entry->size,
392 entry->data);
393 if (err) {
394 IWL_ERR(phy_db->trans,
395 "Can't SEND phy_db section %d (%d), err %d\n",
396 type, i, err);
397 return err;
398 }
399
400 IWL_DEBUG_INFO(phy_db->trans,
401 "Sent PHY_DB HCMD, type = %d num = %d\n",
402 type, i);
403 }
404
405 return 0;
406}
407
408int iwl_send_phy_db_data(struct iwl_phy_db *phy_db)
409{
410 u8 *data = NULL;
411 u16 size = 0;
412 int err;
413
414 IWL_DEBUG_INFO(phy_db->trans,
415 "Sending phy db data and configuration to runtime image\n");
416
417 /* Send PHY DB CFG section */
418 err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CFG,
419 &data, &size, 0);
420 if (err) {
421 IWL_ERR(phy_db->trans, "Cannot get Phy DB cfg section\n");
422 return err;
423 }
424
425 err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CFG, size, data);
426 if (err) {
427 IWL_ERR(phy_db->trans,
428 "Cannot send HCMD of Phy DB cfg section\n");
429 return err;
430 }
431
432 err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CALIB_NCH,
433 &data, &size, 0);
434 if (err) {
435 IWL_ERR(phy_db->trans,
436 "Cannot get Phy DB non specific channel section\n");
437 return err;
438 }
439
440 err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CALIB_NCH, size, data);
441 if (err) {
442 IWL_ERR(phy_db->trans,
443 "Cannot send HCMD of Phy DB non specific channel section\n");
444 return err;
445 }
446
447 /* Send all the TXP channel specific data */
448 err = iwl_phy_db_send_all_channel_groups(phy_db,
449 IWL_PHY_DB_CALIB_CHG_PAPD,
450 IWL_NUM_PAPD_CH_GROUPS);
451 if (err) {
452 IWL_ERR(phy_db->trans,
453 "Cannot send channel specific PAPD groups\n");
454 return err;
455 }
456
457 /* Send all the TXP channel specific data */
458 err = iwl_phy_db_send_all_channel_groups(phy_db,
459 IWL_PHY_DB_CALIB_CHG_TXP,
460 IWL_NUM_TXP_CH_GROUPS);
461 if (err) {
462 IWL_ERR(phy_db->trans,
463 "Cannot send channel specific TX power groups\n");
464 return err;
465 }
466
467 IWL_DEBUG_INFO(phy_db->trans,
468 "Finished sending phy db non channel data\n");
469 return 0;
470}
471IWL_EXPORT_SYMBOL(iwl_send_phy_db_data);