1 /******************************************************************************
5 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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.
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.
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,
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *****************************************************************************/
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/init.h>
33 #include <linux/sched.h>
34 #include <linux/dma-mapping.h>
39 #include "iwl-agn-hw.h"
41 #include "iwl-agn-calib.h"
42 #include "iwl-trans.h"
45 static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
46 {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
47 0, COEX_UNASSOC_IDLE_FLAGS},
48 {COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP,
49 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
50 {COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP,
51 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
52 {COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP,
53 0, COEX_CALIBRATION_FLAGS},
54 {COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP,
55 0, COEX_PERIODIC_CALIBRATION_FLAGS},
56 {COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP,
57 0, COEX_CONNECTION_ESTAB_FLAGS},
58 {COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP,
59 0, COEX_ASSOCIATED_IDLE_FLAGS},
60 {COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP,
61 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
62 {COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP,
63 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
64 {COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP,
65 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
66 {COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS},
67 {COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS},
68 {COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP,
69 0, COEX_STAND_ALONE_DEBUG_FLAGS},
70 {COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP,
71 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
72 {COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS},
73 {COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS}
76 /******************************************************************************
78 * uCode download functions
80 ******************************************************************************/
82 static void iwl_free_fw_desc(struct iwl_bus *bus, struct fw_desc *desc)
85 dma_free_coherent(bus->dev, desc->len,
86 desc->v_addr, desc->p_addr);
91 static void iwl_free_fw_img(struct iwl_bus *bus, struct fw_img *img)
93 iwl_free_fw_desc(bus, &img->code);
94 iwl_free_fw_desc(bus, &img->data);
97 void iwl_dealloc_ucode(struct iwl_trans *trans)
99 iwl_free_fw_img(bus(trans), &trans->ucode_rt);
100 iwl_free_fw_img(bus(trans), &trans->ucode_init);
101 iwl_free_fw_img(bus(trans), &trans->ucode_wowlan);
104 int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc,
105 const void *data, size_t len)
112 desc->v_addr = dma_alloc_coherent(bus->dev, len,
113 &desc->p_addr, GFP_KERNEL);
118 memcpy(desc->v_addr, data, len);
125 static int iwl_load_section(struct iwl_trans *trans, const char *name,
126 struct fw_desc *image, u32 dst_addr)
128 struct iwl_bus *bus = bus(trans);
129 dma_addr_t phy_addr = image->p_addr;
130 u32 byte_cnt = image->len;
133 trans->ucode_write_complete = 0;
135 iwl_write_direct32(bus,
136 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
137 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
139 iwl_write_direct32(bus,
140 FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
142 iwl_write_direct32(bus,
143 FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
144 phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
146 iwl_write_direct32(bus,
147 FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
148 (iwl_get_dma_hi_addr(phy_addr)
149 << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
151 iwl_write_direct32(bus,
152 FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
153 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
154 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
155 FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
157 iwl_write_direct32(bus,
158 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
159 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
160 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
161 FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
163 IWL_DEBUG_FW(bus, "%s uCode section being loaded...\n", name);
164 ret = wait_event_timeout(trans->shrd->wait_command_queue,
165 trans->ucode_write_complete, 5 * HZ);
167 IWL_ERR(trans, "Could not load the %s uCode section\n",
175 static inline struct fw_img *iwl_get_ucode_image(struct iwl_trans *trans,
176 enum iwl_ucode_type ucode_type)
178 switch (ucode_type) {
180 return &trans->ucode_init;
181 case IWL_UCODE_WOWLAN:
182 return &trans->ucode_wowlan;
183 case IWL_UCODE_REGULAR:
184 return &trans->ucode_rt;
191 static int iwl_load_given_ucode(struct iwl_trans *trans,
192 enum iwl_ucode_type ucode_type)
195 struct fw_img *image = iwl_get_ucode_image(trans, ucode_type);
199 IWL_ERR(trans, "Invalid ucode requested (%d)\n",
204 ret = iwl_load_section(trans, "INST", &image->code,
205 IWLAGN_RTC_INST_LOWER_BOUND);
209 return iwl_load_section(trans, "DATA", &image->data,
210 IWLAGN_RTC_DATA_LOWER_BOUND);
216 static int iwl_set_Xtal_calib(struct iwl_priv *priv)
218 struct iwl_calib_xtal_freq_cmd cmd;
220 (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_XTAL);
222 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
223 cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
224 cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
225 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
228 static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
230 struct iwl_calib_temperature_offset_cmd cmd;
231 __le16 *offset_calib =
232 (__le16 *)iwl_eeprom_query_addr(priv->shrd,
233 EEPROM_RAW_TEMPERATURE);
235 memset(&cmd, 0, sizeof(cmd));
236 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
237 memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(*offset_calib));
238 if (!(cmd.radio_sensor_offset))
239 cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
241 IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
242 le16_to_cpu(cmd.radio_sensor_offset));
243 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
246 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
248 struct iwl_calib_temperature_offset_v2_cmd cmd;
249 __le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(priv->shrd,
250 EEPROM_KELVIN_TEMPERATURE);
251 __le16 *offset_calib_low =
252 (__le16 *)iwl_eeprom_query_addr(priv->shrd,
253 EEPROM_RAW_TEMPERATURE);
254 struct iwl_eeprom_calib_hdr *hdr;
256 memset(&cmd, 0, sizeof(cmd));
257 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
258 hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv->shrd,
260 memcpy(&cmd.radio_sensor_offset_high, offset_calib_high,
261 sizeof(*offset_calib_high));
262 memcpy(&cmd.radio_sensor_offset_low, offset_calib_low,
263 sizeof(*offset_calib_low));
264 if (!(cmd.radio_sensor_offset_low)) {
265 IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
266 cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
267 cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
269 memcpy(&cmd.burntVoltageRef, &hdr->voltage,
270 sizeof(hdr->voltage));
272 IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
273 le16_to_cpu(cmd.radio_sensor_offset_high));
274 IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
275 le16_to_cpu(cmd.radio_sensor_offset_low));
276 IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
277 le16_to_cpu(cmd.burntVoltageRef));
279 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
282 static int iwl_send_calib_cfg(struct iwl_trans *trans)
284 struct iwl_calib_cfg_cmd calib_cfg_cmd;
285 struct iwl_host_cmd cmd = {
286 .id = CALIBRATION_CFG_CMD,
287 .len = { sizeof(struct iwl_calib_cfg_cmd), },
288 .data = { &calib_cfg_cmd, },
291 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
292 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
293 calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
294 calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
295 calib_cfg_cmd.ucd_calib_cfg.flags =
296 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;
298 return iwl_trans_send_cmd(trans, &cmd);
301 int iwlagn_rx_calib_result(struct iwl_priv *priv,
302 struct iwl_rx_mem_buffer *rxb,
303 struct iwl_device_cmd *cmd)
305 struct iwl_rx_packet *pkt = rxb_addr(rxb);
306 struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw;
307 int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
309 /* reduce the size of the length field itself */
312 if (iwl_calib_set(priv, hdr, len))
313 IWL_ERR(priv, "Failed to record calibration data %d\n",
319 int iwlagn_init_alive_start(struct iwl_priv *priv)
323 if (priv->cfg->bt_params &&
324 priv->cfg->bt_params->advanced_bt_coexist) {
326 * Tell uCode we are ready to perform calibration
327 * need to perform this before any calibration
328 * no need to close the envlope since we are going
329 * to load the runtime uCode later.
331 ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_OPEN,
332 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
338 ret = iwl_send_calib_cfg(trans(priv));
343 * temperature offset calibration is only needed for runtime ucode,
344 * so prepare the value now.
346 if (priv->cfg->need_temp_offset_calib) {
347 if (priv->cfg->temp_offset_v2)
348 return iwl_set_temperature_offset_calib_v2(priv);
350 return iwl_set_temperature_offset_calib(priv);
356 static int iwl_send_wimax_coex(struct iwl_priv *priv)
358 struct iwl_wimax_coex_cmd coex_cmd;
360 if (priv->cfg->base_params->support_wimax_coexist) {
361 /* UnMask wake up src at associated sleep */
362 coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
364 /* UnMask wake up src at unassociated sleep */
365 coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
366 memcpy(coex_cmd.sta_prio, cu_priorities,
367 sizeof(struct iwl_wimax_coex_event_entry) *
370 /* enabling the coexistence feature */
371 coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
373 /* enabling the priorities tables */
374 coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
376 /* coexistence is disabled */
377 memset(&coex_cmd, 0, sizeof(coex_cmd));
379 return iwl_trans_send_cmd_pdu(trans(priv),
380 COEX_PRIORITY_TABLE_CMD, CMD_SYNC,
381 sizeof(coex_cmd), &coex_cmd);
384 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
385 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
386 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
387 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
388 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
389 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
390 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
391 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
392 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
393 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
394 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
395 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
396 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
397 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
398 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
399 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
400 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
401 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
402 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
406 void iwl_send_prio_tbl(struct iwl_trans *trans)
408 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
410 memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
411 sizeof(iwl_bt_prio_tbl));
412 if (iwl_trans_send_cmd_pdu(trans,
413 REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC,
414 sizeof(prio_tbl_cmd), &prio_tbl_cmd))
415 IWL_ERR(trans, "failed to send BT prio tbl command\n");
418 int iwl_send_bt_env(struct iwl_trans *trans, u8 action, u8 type)
420 struct iwl_bt_coex_prot_env_cmd env_cmd;
423 env_cmd.action = action;
425 ret = iwl_trans_send_cmd_pdu(trans,
426 REPLY_BT_COEX_PROT_ENV, CMD_SYNC,
427 sizeof(env_cmd), &env_cmd);
429 IWL_ERR(trans, "failed to send BT env command\n");
434 static int iwl_alive_notify(struct iwl_priv *priv)
436 struct iwl_rxon_context *ctx;
439 if (!priv->tx_cmd_pool)
441 kmem_cache_create("iwl_dev_cmd",
442 sizeof(struct iwl_device_cmd),
443 sizeof(void *), 0, NULL);
445 if (!priv->tx_cmd_pool)
448 iwl_trans_tx_start(trans(priv));
449 for_each_context(priv, ctx)
450 ctx->last_tx_rejected = false;
452 ret = iwl_send_wimax_coex(priv);
456 if (!priv->cfg->no_xtal_calib) {
457 ret = iwl_set_Xtal_calib(priv);
462 return iwl_send_calib_results(priv);
467 * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
468 * using sample data 100 bytes apart. If these sample points are good,
469 * it's a pretty good bet that everything between them is good, too.
471 static int iwl_verify_inst_sparse(struct iwl_bus *bus,
472 struct fw_desc *fw_desc)
474 __le32 *image = (__le32 *)fw_desc->v_addr;
475 u32 len = fw_desc->len;
479 IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len);
481 for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
482 /* read data comes through single port, auto-incr addr */
483 /* NOTE: Use the debugless read so we don't flood kernel log
484 * if IWL_DL_IO is set */
485 iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR,
486 i + IWLAGN_RTC_INST_LOWER_BOUND);
487 val = iwl_read32(bus, HBUS_TARG_MEM_RDAT);
488 if (val != le32_to_cpu(*image))
495 static void iwl_print_mismatch_inst(struct iwl_bus *bus,
496 struct fw_desc *fw_desc)
498 __le32 *image = (__le32 *)fw_desc->v_addr;
499 u32 len = fw_desc->len;
504 IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len);
506 iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR,
507 IWLAGN_RTC_INST_LOWER_BOUND);
510 offs < len && errors < 20;
511 offs += sizeof(u32), image++) {
512 /* read data comes through single port, auto-incr addr */
513 val = iwl_read32(bus, HBUS_TARG_MEM_RDAT);
514 if (val != le32_to_cpu(*image)) {
515 IWL_ERR(bus, "uCode INST section at "
516 "offset 0x%x, is 0x%x, s/b 0x%x\n",
517 offs, val, le32_to_cpu(*image));
524 * iwl_verify_ucode - determine which instruction image is in SRAM,
525 * and verify its contents
527 static int iwl_verify_ucode(struct iwl_trans *trans,
528 enum iwl_ucode_type ucode_type)
530 struct fw_img *img = iwl_get_ucode_image(trans, ucode_type);
533 IWL_ERR(trans, "Invalid ucode requested (%d)\n", ucode_type);
537 if (!iwl_verify_inst_sparse(bus(trans), &img->code)) {
538 IWL_DEBUG_FW(trans, "uCode is good in inst SRAM\n");
542 IWL_ERR(trans, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
544 iwl_print_mismatch_inst(bus(trans), &img->code);
548 struct iwlagn_alive_data {
553 static void iwl_alive_fn(struct iwl_priv *priv,
554 struct iwl_rx_packet *pkt,
557 struct iwlagn_alive_data *alive_data = data;
558 struct iwl_alive_resp *palive;
560 palive = &pkt->u.alive_frame;
562 IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
564 palive->is_valid, palive->ver_type,
565 palive->ver_subtype);
567 priv->device_pointers.error_event_table =
568 le32_to_cpu(palive->error_event_table_ptr);
569 priv->device_pointers.log_event_table =
570 le32_to_cpu(palive->log_event_table_ptr);
572 alive_data->subtype = palive->ver_subtype;
573 alive_data->valid = palive->is_valid == UCODE_VALID_OK;
576 /* notification wait support */
577 void iwl_init_notification_wait(struct iwl_shared *shrd,
578 struct iwl_notification_wait *wait_entry,
580 void (*fn)(struct iwl_priv *priv,
581 struct iwl_rx_packet *pkt,
586 wait_entry->fn_data = fn_data;
587 wait_entry->cmd = cmd;
588 wait_entry->triggered = false;
589 wait_entry->aborted = false;
591 spin_lock_bh(&shrd->notif_wait_lock);
592 list_add(&wait_entry->list, &shrd->notif_waits);
593 spin_unlock_bh(&shrd->notif_wait_lock);
596 int iwl_wait_notification(struct iwl_shared *shrd,
597 struct iwl_notification_wait *wait_entry,
598 unsigned long timeout)
602 ret = wait_event_timeout(shrd->notif_waitq,
603 wait_entry->triggered || wait_entry->aborted,
606 spin_lock_bh(&shrd->notif_wait_lock);
607 list_del(&wait_entry->list);
608 spin_unlock_bh(&shrd->notif_wait_lock);
610 if (wait_entry->aborted)
613 /* return value is always >= 0 */
619 void iwl_remove_notification(struct iwl_shared *shrd,
620 struct iwl_notification_wait *wait_entry)
622 spin_lock_bh(&shrd->notif_wait_lock);
623 list_del(&wait_entry->list);
624 spin_unlock_bh(&shrd->notif_wait_lock);
627 void iwl_abort_notification_waits(struct iwl_shared *shrd)
630 struct iwl_notification_wait *wait_entry;
632 spin_lock_irqsave(&shrd->notif_wait_lock, flags);
633 list_for_each_entry(wait_entry, &shrd->notif_waits, list)
634 wait_entry->aborted = true;
635 spin_unlock_irqrestore(&shrd->notif_wait_lock, flags);
637 wake_up_all(&shrd->notif_waitq);
640 #define UCODE_ALIVE_TIMEOUT HZ
641 #define UCODE_CALIB_TIMEOUT (2*HZ)
643 int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
644 enum iwl_ucode_type ucode_type)
646 struct iwl_notification_wait alive_wait;
647 struct iwlagn_alive_data alive_data;
648 struct iwl_trans *trans = trans(priv);
650 enum iwl_ucode_type old_type;
652 ret = iwl_trans_start_device(trans);
656 iwl_init_notification_wait(trans->shrd, &alive_wait, REPLY_ALIVE,
657 iwl_alive_fn, &alive_data);
659 old_type = trans->shrd->ucode_type;
660 trans->shrd->ucode_type = ucode_type;
662 ret = iwl_load_given_ucode(trans, ucode_type);
664 trans->shrd->ucode_type = old_type;
665 iwl_remove_notification(trans->shrd, &alive_wait);
669 iwl_trans_kick_nic(trans);
672 * Some things may run in the background now, but we
673 * just wait for the ALIVE notification here.
675 ret = iwl_wait_notification(trans->shrd, &alive_wait,
676 UCODE_ALIVE_TIMEOUT);
678 trans->shrd->ucode_type = old_type;
682 if (!alive_data.valid) {
683 IWL_ERR(priv, "Loaded ucode is not valid!\n");
684 trans->shrd->ucode_type = old_type;
689 * This step takes a long time (60-80ms!!) and
690 * WoWLAN image should be loaded quickly, so
691 * skip it for WoWLAN.
693 if (ucode_type != IWL_UCODE_WOWLAN) {
694 ret = iwl_verify_ucode(trans, ucode_type);
696 trans->shrd->ucode_type = old_type;
700 /* delay a bit to give rfkill time to run */
704 ret = iwl_alive_notify(priv);
707 "Could not complete ALIVE transition: %d\n", ret);
708 trans->shrd->ucode_type = old_type;
715 int iwlagn_run_init_ucode(struct iwl_priv *priv)
717 struct iwl_notification_wait calib_wait;
720 lockdep_assert_held(&priv->shrd->mutex);
722 /* No init ucode required? Curious, but maybe ok */
723 if (!trans(priv)->ucode_init.code.len)
726 if (priv->shrd->ucode_type != IWL_UCODE_NONE)
729 iwl_init_notification_wait(priv->shrd, &calib_wait,
730 CALIBRATION_COMPLETE_NOTIFICATION,
733 /* Will also start the device */
734 ret = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
738 ret = iwlagn_init_alive_start(priv);
743 * Some things may run in the background now, but we
744 * just wait for the calibration complete notification.
746 ret = iwl_wait_notification(priv->shrd, &calib_wait,
747 UCODE_CALIB_TIMEOUT);
752 iwl_remove_notification(priv->shrd, &calib_wait);
754 /* Whatever happened, stop the device */
755 iwl_trans_stop_device(trans(priv));