Merge branch 'late/dt' into next/dt2
[linux-2.6-block.git] / drivers / net / wireless / iwlwifi / dvm / ucode.c
CommitLineData
792bc3cb
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1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
128e63ef 5 * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved.
792bc3cb
WYG
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *
28 *****************************************************************************/
29
30#include <linux/kernel.h>
792bc3cb
WYG
31#include <linux/init.h>
32
81b8176e 33#include "iwl-io.h"
19e6cda0 34#include "iwl-agn-hw.h"
bdfbf092 35#include "iwl-trans.h"
dda61a44 36#include "iwl-fh.h"
d0f76d68 37#include "iwl-op-mode.h"
741a6266 38
1023fdc4
JB
39#include "dev.h"
40#include "agn.h"
41#include "calib.h"
42
de7f5f92
DF
43/******************************************************************************
44 *
45 * uCode download functions
46 *
47 ******************************************************************************/
48
0692fe41
JB
49static inline const struct fw_img *
50iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type)
8929c24b 51{
6dfa8d01
DS
52 if (ucode_type >= IWL_UCODE_TYPE_MAX)
53 return NULL;
54
55 return &priv->fw->img[ucode_type];
8929c24b
DF
56}
57
741a6266
WYG
58/*
59 * Calibration
60 */
e1991885 61static int iwl_set_Xtal_calib(struct iwl_priv *priv)
741a6266
WYG
62{
63 struct iwl_calib_xtal_freq_cmd cmd;
b7998c8b 64 __le16 *xtal_calib = priv->nvm_data->xtal_calib;
741a6266 65
1f8bf039 66 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
741a6266
WYG
67 cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
68 cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
e1991885 69 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
741a6266
WYG
70}
71
e1991885 72static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
bf53f939
SZ
73{
74 struct iwl_calib_temperature_offset_cmd cmd;
1f8bf039
WYG
75
76 memset(&cmd, 0, sizeof(cmd));
77 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
b7998c8b 78 cmd.radio_sensor_offset = priv->nvm_data->raw_temperature;
bf53f939
SZ
79 if (!(cmd.radio_sensor_offset))
80 cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
1f8bf039 81
e1991885 82 IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
2e277996 83 le16_to_cpu(cmd.radio_sensor_offset));
e1991885 84 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
bf53f939
SZ
85}
86
e1991885 87static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
c6f30347
WYG
88{
89 struct iwl_calib_temperature_offset_v2_cmd cmd;
c6f30347
WYG
90
91 memset(&cmd, 0, sizeof(cmd));
92 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
b7998c8b
EL
93 cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature;
94 cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature;
26a7ca9a 95 if (!cmd.radio_sensor_offset_low) {
e1991885 96 IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
c6f30347
WYG
97 cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
98 cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
99 }
b7998c8b 100 cmd.burntVoltageRef = priv->nvm_data->calib_voltage;
c6f30347 101
e1991885 102 IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
c6f30347 103 le16_to_cpu(cmd.radio_sensor_offset_high));
e1991885 104 IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
c6f30347 105 le16_to_cpu(cmd.radio_sensor_offset_low));
e1991885 106 IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
c6f30347
WYG
107 le16_to_cpu(cmd.burntVoltageRef));
108
e1991885 109 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
c6f30347
WYG
110}
111
e1991885 112static int iwl_send_calib_cfg(struct iwl_priv *priv)
741a6266
WYG
113{
114 struct iwl_calib_cfg_cmd calib_cfg_cmd;
115 struct iwl_host_cmd cmd = {
116 .id = CALIBRATION_CFG_CMD,
3fa50738
JB
117 .len = { sizeof(struct iwl_calib_cfg_cmd), },
118 .data = { &calib_cfg_cmd, },
741a6266
WYG
119 };
120
121 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
122 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
123 calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
124 calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
df2a4dc8
WYG
125 calib_cfg_cmd.ucd_calib_cfg.flags =
126 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;
741a6266 127
e10a0533 128 return iwl_dvm_send_cmd(priv, &cmd);
741a6266
WYG
129}
130
e1991885 131int iwl_init_alive_start(struct iwl_priv *priv)
741a6266 132{
ca7966c8 133 int ret;
741a6266 134
2152268f
EG
135 if (priv->cfg->bt_params &&
136 priv->cfg->bt_params->advanced_bt_coexist) {
f7322f8f
WYG
137 /*
138 * Tell uCode we are ready to perform calibration
139 * need to perform this before any calibration
140 * no need to close the envlope since we are going
141 * to load the runtime uCode later.
142 */
e1991885 143 ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
f7322f8f 144 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
ca7966c8
JB
145 if (ret)
146 return ret;
f7322f8f
WYG
147
148 }
ca7966c8 149
e1991885 150 ret = iwl_send_calib_cfg(priv);
ca7966c8
JB
151 if (ret)
152 return ret;
bf53f939
SZ
153
154 /**
155 * temperature offset calibration is only needed for runtime ucode,
156 * so prepare the value now.
157 */
2152268f
EG
158 if (priv->cfg->need_temp_offset_calib) {
159 if (priv->cfg->temp_offset_v2)
e1991885 160 return iwl_set_temperature_offset_calib_v2(priv);
c6f30347 161 else
e1991885 162 return iwl_set_temperature_offset_calib(priv);
c6f30347 163 }
741a6266 164
ca7966c8 165 return 0;
741a6266
WYG
166}
167
aca86268 168static int iwl_send_wimax_coex(struct iwl_priv *priv)
f4012413
WYG
169{
170 struct iwl_wimax_coex_cmd coex_cmd;
171
85560af3
JB
172 /* coexistence is disabled */
173 memset(&coex_cmd, 0, sizeof(coex_cmd));
f4012413 174
e10a0533 175 return iwl_dvm_send_cmd_pdu(priv,
e419d62d 176 COEX_PRIORITY_TABLE_CMD, CMD_SYNC,
f4012413
WYG
177 sizeof(coex_cmd), &coex_cmd);
178}
179
66128b14 180static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
aeb4a2ee
WYG
181 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
182 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
183 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
184 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
185 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
186 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
187 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
188 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
189 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
190 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
191 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
192 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
193 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
194 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
195 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
196 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
197 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
198 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
199 0, 0, 0, 0, 0, 0, 0
200};
201
e1991885 202void iwl_send_prio_tbl(struct iwl_priv *priv)
aeb4a2ee
WYG
203{
204 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
205
66128b14
DF
206 memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
207 sizeof(iwl_bt_prio_tbl));
e10a0533 208 if (iwl_dvm_send_cmd_pdu(priv,
e419d62d 209 REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC,
aeb4a2ee 210 sizeof(prio_tbl_cmd), &prio_tbl_cmd))
e1991885 211 IWL_ERR(priv, "failed to send BT prio tbl command\n");
aeb4a2ee
WYG
212}
213
e1991885 214int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
aeb4a2ee
WYG
215{
216 struct iwl_bt_coex_prot_env_cmd env_cmd;
ca7966c8 217 int ret;
aeb4a2ee
WYG
218
219 env_cmd.action = action;
220 env_cmd.type = type;
e10a0533 221 ret = iwl_dvm_send_cmd_pdu(priv,
e419d62d 222 REPLY_BT_COEX_PROT_ENV, CMD_SYNC,
ca7966c8
JB
223 sizeof(env_cmd), &env_cmd);
224 if (ret)
e1991885 225 IWL_ERR(priv, "failed to send BT env command\n");
ca7966c8 226 return ret;
aeb4a2ee
WYG
227}
228
b04db9ac
EG
229static const u8 iwlagn_default_queue_to_tx_fifo[] = {
230 IWL_TX_FIFO_VO,
231 IWL_TX_FIFO_VI,
232 IWL_TX_FIFO_BE,
233 IWL_TX_FIFO_BK,
234};
235
236static const u8 iwlagn_ipan_queue_to_tx_fifo[] = {
237 IWL_TX_FIFO_VO,
238 IWL_TX_FIFO_VI,
239 IWL_TX_FIFO_BE,
240 IWL_TX_FIFO_BK,
241 IWL_TX_FIFO_BK_IPAN,
242 IWL_TX_FIFO_BE_IPAN,
243 IWL_TX_FIFO_VI_IPAN,
244 IWL_TX_FIFO_VO_IPAN,
245 IWL_TX_FIFO_BE_IPAN,
246 IWL_TX_FIFO_UNUSED,
247 IWL_TX_FIFO_AUX,
248};
aeb4a2ee 249
e1991885 250static int iwl_alive_notify(struct iwl_priv *priv)
741a6266 251{
b04db9ac
EG
252 const u8 *queue_to_txf;
253 u8 n_queues;
7415952f 254 int ret;
b04db9ac 255 int i;
741a6266 256
adca1235 257 iwl_trans_fw_alive(priv->trans, 0);
e755f882 258
b04db9ac 259 if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN &&
b7998c8b 260 priv->nvm_data->sku_cap_ipan_enable) {
b04db9ac
EG
261 n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
262 queue_to_txf = iwlagn_ipan_queue_to_tx_fifo;
263 } else {
264 n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
265 queue_to_txf = iwlagn_default_queue_to_tx_fifo;
266 }
267
268 for (i = 0; i < n_queues; i++)
269 if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED)
270 iwl_trans_ac_txq_enable(priv->trans, i,
271 queue_to_txf[i]);
272
e755f882
JB
273 priv->passive_no_rx = false;
274 priv->transport_queue_stop = 0;
e7cad69c 275
e1991885 276 ret = iwl_send_wimax_coex(priv);
7415952f
WYG
277 if (ret)
278 return ret;
279
2152268f 280 if (!priv->cfg->no_xtal_calib) {
e1991885 281 ret = iwl_set_Xtal_calib(priv);
93b64105
JB
282 if (ret)
283 return ret;
284 }
741a6266 285
e1991885 286 return iwl_send_calib_results(priv);
741a6266 287}
db41dd27 288
69a679b0 289struct iwl_alive_data {
ca7966c8
JB
290 bool valid;
291 u8 subtype;
292};
293
db662d47
JB
294static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
295 struct iwl_rx_packet *pkt, void *data)
ca7966c8 296{
4bd14dd5
JB
297 struct iwl_priv *priv =
298 container_of(notif_wait, struct iwl_priv, notif_wait);
69a679b0 299 struct iwl_alive_data *alive_data = data;
ca7966c8
JB
300 struct iwl_alive_resp *palive;
301
f8d7c1a1 302 palive = (void *)pkt->data;
ca7966c8 303
e1991885 304 IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
ca7966c8
JB
305 "0x%01X 0x%01X\n",
306 palive->is_valid, palive->ver_type,
307 palive->ver_subtype);
308
2fdfc476 309 priv->device_pointers.error_event_table =
ca7966c8 310 le32_to_cpu(palive->error_event_table_ptr);
2fdfc476 311 priv->device_pointers.log_event_table =
ca7966c8
JB
312 le32_to_cpu(palive->log_event_table_ptr);
313
314 alive_data->subtype = palive->ver_subtype;
315 alive_data->valid = palive->is_valid == UCODE_VALID_OK;
db662d47
JB
316
317 return true;
ca7966c8
JB
318}
319
320#define UCODE_ALIVE_TIMEOUT HZ
321#define UCODE_CALIB_TIMEOUT (2*HZ)
322
e1991885 323int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
de7f5f92 324 enum iwl_ucode_type ucode_type)
ca7966c8
JB
325{
326 struct iwl_notification_wait alive_wait;
69a679b0 327 struct iwl_alive_data alive_data;
0692fe41 328 const struct fw_img *fw;
ca7966c8 329 int ret;
de7f5f92 330 enum iwl_ucode_type old_type;
db662d47 331 static const u8 alive_cmd[] = { REPLY_ALIVE };
ca7966c8 332
a42506eb
MV
333 old_type = priv->cur_ucode;
334 priv->cur_ucode = ucode_type;
e1991885 335 fw = iwl_get_ucode_image(priv, ucode_type);
ca7966c8 336
8f7ffbe2
DS
337 priv->ucode_loaded = false;
338
cf614297
EG
339 if (!fw)
340 return -EINVAL;
341
db662d47
JB
342 iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
343 alive_cmd, ARRAY_SIZE(alive_cmd),
344 iwl_alive_fn, &alive_data);
f4720893 345
6ae02f3e 346 ret = iwl_trans_start_fw(priv->trans, fw, false);
ca7966c8 347 if (ret) {
a42506eb 348 priv->cur_ucode = old_type;
4bd14dd5 349 iwl_remove_notification(&priv->notif_wait, &alive_wait);
ca7966c8
JB
350 return ret;
351 }
352
ca7966c8
JB
353 /*
354 * Some things may run in the background now, but we
355 * just wait for the ALIVE notification here.
356 */
4bd14dd5 357 ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
dd5fe104 358 UCODE_ALIVE_TIMEOUT);
ca7966c8 359 if (ret) {
a42506eb 360 priv->cur_ucode = old_type;
ca7966c8
JB
361 return ret;
362 }
363
364 if (!alive_data.valid) {
e1991885 365 IWL_ERR(priv, "Loaded ucode is not valid!\n");
a42506eb 366 priv->cur_ucode = old_type;
ca7966c8
JB
367 return -EIO;
368 }
369
2d5d50ee
EG
370 priv->ucode_loaded = true;
371
c8ac61cf 372 if (ucode_type != IWL_UCODE_WOWLAN) {
c8ac61cf
JB
373 /* delay a bit to give rfkill time to run */
374 msleep(5);
375 }
ca7966c8 376
e1991885 377 ret = iwl_alive_notify(priv);
ca7966c8 378 if (ret) {
e1991885 379 IWL_WARN(priv,
ca7966c8 380 "Could not complete ALIVE transition: %d\n", ret);
a42506eb 381 priv->cur_ucode = old_type;
ca7966c8
JB
382 return ret;
383 }
384
385 return 0;
386}
387
e1f0c501
JB
388static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait,
389 struct iwl_rx_packet *pkt, void *data)
390{
391 struct iwl_priv *priv = data;
392 struct iwl_calib_hdr *hdr;
393 int len;
394
395 if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
396 WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
397 return true;
398 }
399
400 hdr = (struct iwl_calib_hdr *)pkt->data;
401 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
402
403 /* reduce the size by the length field itself */
404 len -= sizeof(__le32);
405
406 if (iwl_calib_set(priv, hdr, len))
407 IWL_ERR(priv, "Failed to record calibration data %d\n",
408 hdr->op_code);
409
410 return false;
411}
412
e1991885 413int iwl_run_init_ucode(struct iwl_priv *priv)
ca7966c8
JB
414{
415 struct iwl_notification_wait calib_wait;
db662d47 416 static const u8 calib_complete[] = {
e1f0c501 417 CALIBRATION_RES_NOTIFICATION,
db662d47
JB
418 CALIBRATION_COMPLETE_NOTIFICATION
419 };
ca7966c8
JB
420 int ret;
421
b1eea297 422 lockdep_assert_held(&priv->mutex);
ca7966c8
JB
423
424 /* No init ucode required? Curious, but maybe ok */
6dfa8d01 425 if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len)
ca7966c8
JB
426 return 0;
427
b5ea1624 428 if (priv->init_ucode_run)
ca7966c8
JB
429 return 0;
430
4bd14dd5 431 iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
db662d47 432 calib_complete, ARRAY_SIZE(calib_complete),
e1f0c501 433 iwlagn_wait_calib, priv);
ca7966c8
JB
434
435 /* Will also start the device */
e1991885 436 ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
ca7966c8
JB
437 if (ret)
438 goto error;
439
e1991885 440 ret = iwl_init_alive_start(priv);
ca7966c8
JB
441 if (ret)
442 goto error;
443
444 /*
445 * Some things may run in the background now, but we
446 * just wait for the calibration complete notification.
447 */
4bd14dd5 448 ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
dd5fe104 449 UCODE_CALIB_TIMEOUT);
b5ea1624
DS
450 if (!ret)
451 priv->init_ucode_run = true;
ca7966c8
JB
452
453 goto out;
454
455 error:
4bd14dd5 456 iwl_remove_notification(&priv->notif_wait, &calib_wait);
ca7966c8
JB
457 out:
458 /* Whatever happened, stop the device */
68e8dfda 459 iwl_trans_stop_device(priv->trans);
8f7ffbe2
DS
460 priv->ucode_loaded = false;
461
ca7966c8
JB
462 return ret;
463}