1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
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>
31 #include <linux/init.h>
32
33 #include "iwl-dev.h"
34 #include "iwl-core.h"
35 #include "iwl-io.h"
36 #include "iwl-agn-hw.h"
37 #include "iwl-agn.h"
38 #include "iwl-agn-calib.h"
39 #include "iwl-trans.h"
40 #include "iwl-fh.h"
41 #include "iwl-op-mode.h"
42
43 static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
44 {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
45 0, COEX_UNASSOC_IDLE_FLAGS},
46 {COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP,
47 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
48 {COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP,
49 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
50 {COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP,
51 0, COEX_CALIBRATION_FLAGS},
52 {COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP,
53 0, COEX_PERIODIC_CALIBRATION_FLAGS},
54 {COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP,
55 0, COEX_CONNECTION_ESTAB_FLAGS},
56 {COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP,
57 0, COEX_ASSOCIATED_IDLE_FLAGS},
58 {COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP,
59 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
60 {COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP,
61 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
62 {COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP,
63 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
64 {COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS},
65 {COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS},
66 {COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP,
67 0, COEX_STAND_ALONE_DEBUG_FLAGS},
68 {COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP,
69 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
70 {COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS},
71 {COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS}
72 };
73
74 /******************************************************************************
75 *
76 * uCode download functions
77 *
78 ******************************************************************************/
79
80 static inline const struct fw_img *
iwl_get_ucode_image(struct iwl_priv * priv,enum iwl_ucode_type ucode_type)81 iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type)
82 {
83 if (ucode_type >= IWL_UCODE_TYPE_MAX)
84 return NULL;
85
86 return &priv->fw->img[ucode_type];
87 }
88
89 /*
90 * Calibration
91 */
iwl_set_Xtal_calib(struct iwl_priv * priv)92 static int iwl_set_Xtal_calib(struct iwl_priv *priv)
93 {
94 struct iwl_calib_xtal_freq_cmd cmd;
95 __le16 *xtal_calib =
96 (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_XTAL);
97
98 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
99 cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
100 cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
101 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
102 }
103
iwl_set_temperature_offset_calib(struct iwl_priv * priv)104 static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
105 {
106 struct iwl_calib_temperature_offset_cmd cmd;
107 __le16 *offset_calib =
108 (__le16 *)iwl_eeprom_query_addr(priv->shrd,
109 EEPROM_RAW_TEMPERATURE);
110
111 memset(&cmd, 0, sizeof(cmd));
112 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
113 memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(*offset_calib));
114 if (!(cmd.radio_sensor_offset))
115 cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
116
117 IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
118 le16_to_cpu(cmd.radio_sensor_offset));
119 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
120 }
121
iwl_set_temperature_offset_calib_v2(struct iwl_priv * priv)122 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
123 {
124 struct iwl_calib_temperature_offset_v2_cmd cmd;
125 __le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(priv->shrd,
126 EEPROM_KELVIN_TEMPERATURE);
127 __le16 *offset_calib_low =
128 (__le16 *)iwl_eeprom_query_addr(priv->shrd,
129 EEPROM_RAW_TEMPERATURE);
130 struct iwl_eeprom_calib_hdr *hdr;
131
132 memset(&cmd, 0, sizeof(cmd));
133 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
134 hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv->shrd,
135 EEPROM_CALIB_ALL);
136 memcpy(&cmd.radio_sensor_offset_high, offset_calib_high,
137 sizeof(*offset_calib_high));
138 memcpy(&cmd.radio_sensor_offset_low, offset_calib_low,
139 sizeof(*offset_calib_low));
140 if (!(cmd.radio_sensor_offset_low)) {
141 IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
142 cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
143 cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
144 }
145 memcpy(&cmd.burntVoltageRef, &hdr->voltage,
146 sizeof(hdr->voltage));
147
148 IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
149 le16_to_cpu(cmd.radio_sensor_offset_high));
150 IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
151 le16_to_cpu(cmd.radio_sensor_offset_low));
152 IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
153 le16_to_cpu(cmd.burntVoltageRef));
154
155 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
156 }
157
iwl_send_calib_cfg(struct iwl_priv * priv)158 static int iwl_send_calib_cfg(struct iwl_priv *priv)
159 {
160 struct iwl_calib_cfg_cmd calib_cfg_cmd;
161 struct iwl_host_cmd cmd = {
162 .id = CALIBRATION_CFG_CMD,
163 .len = { sizeof(struct iwl_calib_cfg_cmd), },
164 .data = { &calib_cfg_cmd, },
165 };
166
167 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
168 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
169 calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
170 calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
171 calib_cfg_cmd.ucd_calib_cfg.flags =
172 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;
173
174 return iwl_dvm_send_cmd(priv, &cmd);
175 }
176
iwlagn_rx_calib_result(struct iwl_priv * priv,struct iwl_rx_cmd_buffer * rxb,struct iwl_device_cmd * cmd)177 int iwlagn_rx_calib_result(struct iwl_priv *priv,
178 struct iwl_rx_cmd_buffer *rxb,
179 struct iwl_device_cmd *cmd)
180 {
181 struct iwl_rx_packet *pkt = rxb_addr(rxb);
182 struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->data;
183 int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
184
185 /* reduce the size of the length field itself */
186 len -= 4;
187
188 if (iwl_calib_set(priv, hdr, len))
189 IWL_ERR(priv, "Failed to record calibration data %d\n",
190 hdr->op_code);
191
192 return 0;
193 }
194
iwl_init_alive_start(struct iwl_priv * priv)195 int iwl_init_alive_start(struct iwl_priv *priv)
196 {
197 int ret;
198
199 if (cfg(priv)->bt_params &&
200 cfg(priv)->bt_params->advanced_bt_coexist) {
201 /*
202 * Tell uCode we are ready to perform calibration
203 * need to perform this before any calibration
204 * no need to close the envlope since we are going
205 * to load the runtime uCode later.
206 */
207 ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
208 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
209 if (ret)
210 return ret;
211
212 }
213
214 ret = iwl_send_calib_cfg(priv);
215 if (ret)
216 return ret;
217
218 /**
219 * temperature offset calibration is only needed for runtime ucode,
220 * so prepare the value now.
221 */
222 if (cfg(priv)->need_temp_offset_calib) {
223 if (cfg(priv)->temp_offset_v2)
224 return iwl_set_temperature_offset_calib_v2(priv);
225 else
226 return iwl_set_temperature_offset_calib(priv);
227 }
228
229 return 0;
230 }
231
iwl_send_wimax_coex(struct iwl_priv * priv)232 static int iwl_send_wimax_coex(struct iwl_priv *priv)
233 {
234 struct iwl_wimax_coex_cmd coex_cmd;
235
236 if (cfg(priv)->base_params->support_wimax_coexist) {
237 /* UnMask wake up src at associated sleep */
238 coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
239
240 /* UnMask wake up src at unassociated sleep */
241 coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
242 memcpy(coex_cmd.sta_prio, cu_priorities,
243 sizeof(struct iwl_wimax_coex_event_entry) *
244 COEX_NUM_OF_EVENTS);
245
246 /* enabling the coexistence feature */
247 coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
248
249 /* enabling the priorities tables */
250 coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
251 } else {
252 /* coexistence is disabled */
253 memset(&coex_cmd, 0, sizeof(coex_cmd));
254 }
255 return iwl_dvm_send_cmd_pdu(priv,
256 COEX_PRIORITY_TABLE_CMD, CMD_SYNC,
257 sizeof(coex_cmd), &coex_cmd);
258 }
259
260 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
261 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
262 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
263 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
264 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
265 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
266 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
267 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
268 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
269 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
270 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
271 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
272 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
273 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
274 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
275 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
276 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
277 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
278 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
279 0, 0, 0, 0, 0, 0, 0
280 };
281
iwl_send_prio_tbl(struct iwl_priv * priv)282 void iwl_send_prio_tbl(struct iwl_priv *priv)
283 {
284 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
285
286 memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
287 sizeof(iwl_bt_prio_tbl));
288 if (iwl_dvm_send_cmd_pdu(priv,
289 REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC,
290 sizeof(prio_tbl_cmd), &prio_tbl_cmd))
291 IWL_ERR(priv, "failed to send BT prio tbl command\n");
292 }
293
iwl_send_bt_env(struct iwl_priv * priv,u8 action,u8 type)294 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
295 {
296 struct iwl_bt_coex_prot_env_cmd env_cmd;
297 int ret;
298
299 env_cmd.action = action;
300 env_cmd.type = type;
301 ret = iwl_dvm_send_cmd_pdu(priv,
302 REPLY_BT_COEX_PROT_ENV, CMD_SYNC,
303 sizeof(env_cmd), &env_cmd);
304 if (ret)
305 IWL_ERR(priv, "failed to send BT env command\n");
306 return ret;
307 }
308
309
iwl_alive_notify(struct iwl_priv * priv)310 static int iwl_alive_notify(struct iwl_priv *priv)
311 {
312 int ret;
313
314 iwl_trans_fw_alive(trans(priv));
315
316 priv->passive_no_rx = false;
317 priv->transport_queue_stop = 0;
318
319 ret = iwl_send_wimax_coex(priv);
320 if (ret)
321 return ret;
322
323 if (!cfg(priv)->no_xtal_calib) {
324 ret = iwl_set_Xtal_calib(priv);
325 if (ret)
326 return ret;
327 }
328
329 return iwl_send_calib_results(priv);
330 }
331
332
333 /**
334 * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
335 * using sample data 100 bytes apart. If these sample points are good,
336 * it's a pretty good bet that everything between them is good, too.
337 */
iwl_verify_sec_sparse(struct iwl_priv * priv,const struct fw_desc * fw_desc)338 static int iwl_verify_sec_sparse(struct iwl_priv *priv,
339 const struct fw_desc *fw_desc)
340 {
341 __le32 *image = (__le32 *)fw_desc->v_addr;
342 u32 len = fw_desc->len;
343 u32 val;
344 u32 i;
345
346 IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len);
347
348 for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
349 /* read data comes through single port, auto-incr addr */
350 /* NOTE: Use the debugless read so we don't flood kernel log
351 * if IWL_DL_IO is set */
352 iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR,
353 i + fw_desc->offset);
354 val = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
355 if (val != le32_to_cpu(*image))
356 return -EIO;
357 }
358
359 return 0;
360 }
361
iwl_print_mismatch_sec(struct iwl_priv * priv,const struct fw_desc * fw_desc)362 static void iwl_print_mismatch_sec(struct iwl_priv *priv,
363 const struct fw_desc *fw_desc)
364 {
365 __le32 *image = (__le32 *)fw_desc->v_addr;
366 u32 len = fw_desc->len;
367 u32 val;
368 u32 offs;
369 int errors = 0;
370
371 IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len);
372
373 iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR,
374 fw_desc->offset);
375
376 for (offs = 0;
377 offs < len && errors < 20;
378 offs += sizeof(u32), image++) {
379 /* read data comes through single port, auto-incr addr */
380 val = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
381 if (val != le32_to_cpu(*image)) {
382 IWL_ERR(priv, "uCode INST section at "
383 "offset 0x%x, is 0x%x, s/b 0x%x\n",
384 offs, val, le32_to_cpu(*image));
385 errors++;
386 }
387 }
388 }
389
390 /**
391 * iwl_verify_ucode - determine which instruction image is in SRAM,
392 * and verify its contents
393 */
iwl_verify_ucode(struct iwl_priv * priv,enum iwl_ucode_type ucode_type)394 static int iwl_verify_ucode(struct iwl_priv *priv,
395 enum iwl_ucode_type ucode_type)
396 {
397 const struct fw_img *img = iwl_get_ucode_image(priv, ucode_type);
398
399 if (!img) {
400 IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type);
401 return -EINVAL;
402 }
403
404 if (!iwl_verify_sec_sparse(priv, &img->sec[IWL_UCODE_SECTION_INST])) {
405 IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n");
406 return 0;
407 }
408
409 IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
410
411 iwl_print_mismatch_sec(priv, &img->sec[IWL_UCODE_SECTION_INST]);
412 return -EIO;
413 }
414
415 struct iwl_alive_data {
416 bool valid;
417 u8 subtype;
418 };
419
iwl_alive_fn(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)420 static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
421 struct iwl_rx_packet *pkt,
422 void *data)
423 {
424 struct iwl_priv *priv =
425 container_of(notif_wait, struct iwl_priv, notif_wait);
426 struct iwl_alive_data *alive_data = data;
427 struct iwl_alive_resp *palive;
428
429 palive = (void *)pkt->data;
430
431 IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
432 "0x%01X 0x%01X\n",
433 palive->is_valid, palive->ver_type,
434 palive->ver_subtype);
435
436 priv->shrd->device_pointers.error_event_table =
437 le32_to_cpu(palive->error_event_table_ptr);
438 priv->shrd->device_pointers.log_event_table =
439 le32_to_cpu(palive->log_event_table_ptr);
440
441 alive_data->subtype = palive->ver_subtype;
442 alive_data->valid = palive->is_valid == UCODE_VALID_OK;
443 }
444
445 #define UCODE_ALIVE_TIMEOUT HZ
446 #define UCODE_CALIB_TIMEOUT (2*HZ)
447
iwl_load_ucode_wait_alive(struct iwl_priv * priv,enum iwl_ucode_type ucode_type)448 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
449 enum iwl_ucode_type ucode_type)
450 {
451 struct iwl_notification_wait alive_wait;
452 struct iwl_alive_data alive_data;
453 const struct fw_img *fw;
454 int ret;
455 enum iwl_ucode_type old_type;
456
457 old_type = priv->shrd->ucode_type;
458 priv->shrd->ucode_type = ucode_type;
459 fw = iwl_get_ucode_image(priv, ucode_type);
460
461 priv->ucode_loaded = false;
462
463 if (!fw)
464 return -EINVAL;
465
466 iwl_init_notification_wait(&priv->notif_wait, &alive_wait, REPLY_ALIVE,
467 iwl_alive_fn, &alive_data);
468
469 ret = iwl_trans_start_fw(trans(priv), fw);
470 if (ret) {
471 priv->shrd->ucode_type = old_type;
472 iwl_remove_notification(&priv->notif_wait, &alive_wait);
473 return ret;
474 }
475
476 /*
477 * Some things may run in the background now, but we
478 * just wait for the ALIVE notification here.
479 */
480 ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
481 UCODE_ALIVE_TIMEOUT);
482 if (ret) {
483 priv->shrd->ucode_type = old_type;
484 return ret;
485 }
486
487 if (!alive_data.valid) {
488 IWL_ERR(priv, "Loaded ucode is not valid!\n");
489 priv->shrd->ucode_type = old_type;
490 return -EIO;
491 }
492
493 /*
494 * This step takes a long time (60-80ms!!) and
495 * WoWLAN image should be loaded quickly, so
496 * skip it for WoWLAN.
497 */
498 if (ucode_type != IWL_UCODE_WOWLAN) {
499 ret = iwl_verify_ucode(priv, ucode_type);
500 if (ret) {
501 priv->shrd->ucode_type = old_type;
502 return ret;
503 }
504
505 /* delay a bit to give rfkill time to run */
506 msleep(5);
507 }
508
509 ret = iwl_alive_notify(priv);
510 if (ret) {
511 IWL_WARN(priv,
512 "Could not complete ALIVE transition: %d\n", ret);
513 priv->shrd->ucode_type = old_type;
514 return ret;
515 }
516
517 priv->ucode_loaded = true;
518
519 return 0;
520 }
521
iwl_run_init_ucode(struct iwl_priv * priv)522 int iwl_run_init_ucode(struct iwl_priv *priv)
523 {
524 struct iwl_notification_wait calib_wait;
525 int ret;
526
527 lockdep_assert_held(&priv->mutex);
528
529 /* No init ucode required? Curious, but maybe ok */
530 if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len)
531 return 0;
532
533 if (priv->init_ucode_run)
534 return 0;
535
536 iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
537 CALIBRATION_COMPLETE_NOTIFICATION,
538 NULL, NULL);
539
540 /* Will also start the device */
541 ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
542 if (ret)
543 goto error;
544
545 ret = iwl_init_alive_start(priv);
546 if (ret)
547 goto error;
548
549 /*
550 * Some things may run in the background now, but we
551 * just wait for the calibration complete notification.
552 */
553 ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
554 UCODE_CALIB_TIMEOUT);
555 if (!ret)
556 priv->init_ucode_run = true;
557
558 goto out;
559
560 error:
561 iwl_remove_notification(&priv->notif_wait, &calib_wait);
562 out:
563 /* Whatever happened, stop the device */
564 iwl_trans_stop_device(trans(priv));
565 priv->ucode_loaded = false;
566
567 return ret;
568 }
569