1 /******************************************************************************
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.
8 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
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.
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.
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,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
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
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.
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.
62 *****************************************************************************/
63 #include <net/mac80211.h>
65 #include "iwl-trans.h"
66 #include "iwl-op-mode.h"
68 #include "iwl-debug.h"
69 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
70 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
71 #include "iwl-eeprom-parse.h"
74 #include "iwl-phy-db.h"
76 #define MVM_UCODE_ALIVE_TIMEOUT HZ
77 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
79 #define UCODE_VALID_OK cpu_to_le32(0x1)
81 struct iwl_mvm_alive_data
{
86 static inline const struct fw_img
*
87 iwl_get_ucode_image(struct iwl_mvm
*mvm
, enum iwl_ucode_type ucode_type
)
89 if (ucode_type
>= IWL_UCODE_TYPE_MAX
)
92 return &mvm
->fw
->img
[ucode_type
];
95 static int iwl_send_tx_ant_cfg(struct iwl_mvm
*mvm
, u8 valid_tx_ant
)
97 struct iwl_tx_ant_cfg_cmd tx_ant_cmd
= {
98 .valid
= cpu_to_le32(valid_tx_ant
),
101 IWL_DEBUG_FW(mvm
, "select valid tx ant: %u\n", valid_tx_ant
);
102 return iwl_mvm_send_cmd_pdu(mvm
, TX_ANT_CONFIGURATION_CMD
, CMD_SYNC
,
103 sizeof(tx_ant_cmd
), &tx_ant_cmd
);
106 static bool iwl_alive_fn(struct iwl_notif_wait_data
*notif_wait
,
107 struct iwl_rx_packet
*pkt
, void *data
)
109 struct iwl_mvm
*mvm
=
110 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
111 struct iwl_mvm_alive_data
*alive_data
= data
;
112 struct mvm_alive_resp
*palive
;
114 palive
= (void *)pkt
->data
;
116 mvm
->error_event_table
= le32_to_cpu(palive
->error_event_table_ptr
);
117 mvm
->log_event_table
= le32_to_cpu(palive
->log_event_table_ptr
);
118 alive_data
->scd_base_addr
= le32_to_cpu(palive
->scd_base_ptr
);
120 alive_data
->valid
= le16_to_cpu(palive
->status
) == IWL_ALIVE_STATUS_OK
;
122 "Alive ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
123 le16_to_cpu(palive
->status
), palive
->ver_type
,
124 palive
->ver_subtype
, palive
->flags
);
129 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data
*notif_wait
,
130 struct iwl_rx_packet
*pkt
, void *data
)
132 struct iwl_phy_db
*phy_db
= data
;
134 if (pkt
->hdr
.cmd
!= CALIB_RES_NOTIF_PHY_DB
) {
135 WARN_ON(pkt
->hdr
.cmd
!= INIT_COMPLETE_NOTIF
);
139 WARN_ON(iwl_phy_db_set_section(phy_db
, pkt
, GFP_ATOMIC
));
144 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm
*mvm
,
145 enum iwl_ucode_type ucode_type
)
147 struct iwl_notification_wait alive_wait
;
148 struct iwl_mvm_alive_data alive_data
;
149 const struct fw_img
*fw
;
151 enum iwl_ucode_type old_type
= mvm
->cur_ucode
;
152 static const u8 alive_cmd
[] = { MVM_ALIVE
};
154 mvm
->cur_ucode
= ucode_type
;
155 fw
= iwl_get_ucode_image(mvm
, ucode_type
);
157 mvm
->ucode_loaded
= false;
162 iwl_init_notification_wait(&mvm
->notif_wait
, &alive_wait
,
163 alive_cmd
, ARRAY_SIZE(alive_cmd
),
164 iwl_alive_fn
, &alive_data
);
166 ret
= iwl_trans_start_fw(mvm
->trans
, fw
, ucode_type
== IWL_UCODE_INIT
);
168 mvm
->cur_ucode
= old_type
;
169 iwl_remove_notification(&mvm
->notif_wait
, &alive_wait
);
174 * Some things may run in the background now, but we
175 * just wait for the ALIVE notification here.
177 ret
= iwl_wait_notification(&mvm
->notif_wait
, &alive_wait
,
178 MVM_UCODE_ALIVE_TIMEOUT
);
180 mvm
->cur_ucode
= old_type
;
184 if (!alive_data
.valid
) {
185 IWL_ERR(mvm
, "Loaded ucode is not valid!\n");
186 mvm
->cur_ucode
= old_type
;
190 iwl_trans_fw_alive(mvm
->trans
, alive_data
.scd_base_addr
);
193 * Note: all the queues are enabled as part of the interface
194 * initialization, but in firmware restart scenarios they
195 * could be stopped, so wake them up. In firmware restart,
196 * mac80211 will have the queues stopped as well until the
197 * reconfiguration completes. During normal startup, they
201 for (i
= 0; i
< IWL_MAX_HW_QUEUES
; i
++) {
202 if (i
< IWL_MVM_FIRST_AGG_QUEUE
&& i
!= IWL_MVM_CMD_QUEUE
)
203 mvm
->queue_to_mac80211
[i
] = i
;
205 mvm
->queue_to_mac80211
[i
] = IWL_INVALID_MAC80211_QUEUE
;
206 atomic_set(&mvm
->queue_stop_count
[i
], 0);
209 mvm
->transport_queue_stop
= 0;
211 mvm
->ucode_loaded
= true;
216 static int iwl_send_phy_cfg_cmd(struct iwl_mvm
*mvm
)
218 struct iwl_phy_cfg_cmd phy_cfg_cmd
;
219 enum iwl_ucode_type ucode_type
= mvm
->cur_ucode
;
222 phy_cfg_cmd
.phy_cfg
= cpu_to_le32(mvm
->fw
->phy_config
);
223 phy_cfg_cmd
.calib_control
.event_trigger
=
224 mvm
->fw
->default_calib
[ucode_type
].event_trigger
;
225 phy_cfg_cmd
.calib_control
.flow_trigger
=
226 mvm
->fw
->default_calib
[ucode_type
].flow_trigger
;
228 IWL_DEBUG_INFO(mvm
, "Sending Phy CFG command: 0x%x\n",
229 phy_cfg_cmd
.phy_cfg
);
231 return iwl_mvm_send_cmd_pdu(mvm
, PHY_CONFIGURATION_CMD
, CMD_SYNC
,
232 sizeof(phy_cfg_cmd
), &phy_cfg_cmd
);
235 int iwl_run_init_mvm_ucode(struct iwl_mvm
*mvm
, bool read_nvm
)
237 struct iwl_notification_wait calib_wait
;
238 static const u8 init_complete
[] = {
240 CALIB_RES_NOTIF_PHY_DB
244 lockdep_assert_held(&mvm
->mutex
);
246 if (mvm
->init_ucode_run
)
249 iwl_init_notification_wait(&mvm
->notif_wait
,
252 ARRAY_SIZE(init_complete
),
253 iwl_wait_phy_db_entry
,
256 /* Will also start the device */
257 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_INIT
);
259 IWL_ERR(mvm
, "Failed to start INIT ucode: %d\n", ret
);
263 ret
= iwl_send_bt_prio_tbl(mvm
);
269 ret
= iwl_nvm_init(mvm
);
271 IWL_ERR(mvm
, "Failed to read NVM: %d\n", ret
);
276 ret
= iwl_nvm_check_version(mvm
->nvm_data
, mvm
->trans
);
280 * abort after reading the nvm in case RF Kill is on, we will complete
281 * the init seq later when RF kill will switch to off
283 if (iwl_mvm_is_radio_killed(mvm
)) {
284 IWL_DEBUG_RF_KILL(mvm
,
285 "jump over all phy activities due to RF kill\n");
286 iwl_remove_notification(&mvm
->notif_wait
, &calib_wait
);
290 /* Send TX valid antennas before triggering calibrations */
291 ret
= iwl_send_tx_ant_cfg(mvm
, iwl_fw_valid_tx_ant(mvm
->fw
));
296 * Send phy configurations command to init uCode
297 * to start the 16.0 uCode init image internal calibrations.
299 ret
= iwl_send_phy_cfg_cmd(mvm
);
301 IWL_ERR(mvm
, "Failed to run INIT calibrations: %d\n",
307 * Some things may run in the background now, but we
308 * just wait for the calibration complete notification.
310 ret
= iwl_wait_notification(&mvm
->notif_wait
, &calib_wait
,
311 MVM_UCODE_CALIB_TIMEOUT
);
313 mvm
->init_ucode_run
= true;
317 iwl_remove_notification(&mvm
->notif_wait
, &calib_wait
);
319 if (!iwlmvm_mod_params
.init_dbg
) {
320 iwl_trans_stop_device(mvm
->trans
);
321 } else if (!mvm
->nvm_data
) {
322 /* we want to debug INIT and we have no NVM - fake */
323 mvm
->nvm_data
= kzalloc(sizeof(struct iwl_nvm_data
) +
324 sizeof(struct ieee80211_channel
) +
325 sizeof(struct ieee80211_rate
),
329 mvm
->nvm_data
->valid_rx_ant
= 1;
330 mvm
->nvm_data
->valid_tx_ant
= 1;
331 mvm
->nvm_data
->bands
[0].channels
= mvm
->nvm_data
->channels
;
332 mvm
->nvm_data
->bands
[0].n_channels
= 1;
333 mvm
->nvm_data
->bands
[0].n_bitrates
= 1;
334 mvm
->nvm_data
->bands
[0].bitrates
=
335 (void *)mvm
->nvm_data
->channels
+ 1;
336 mvm
->nvm_data
->bands
[0].bitrates
->hw_value
= 10;
342 #define UCODE_CALIB_TIMEOUT (2*HZ)
344 int iwl_mvm_up(struct iwl_mvm
*mvm
)
347 struct ieee80211_channel
*chan
;
348 struct cfg80211_chan_def chandef
;
350 lockdep_assert_held(&mvm
->mutex
);
352 ret
= iwl_trans_start_hw(mvm
->trans
);
356 /* If we were in RFKILL during module loading, load init ucode now */
357 if (!mvm
->init_ucode_run
) {
358 ret
= iwl_run_init_mvm_ucode(mvm
, false);
359 if (ret
&& !iwlmvm_mod_params
.init_dbg
) {
360 IWL_ERR(mvm
, "Failed to run INIT ucode: %d\n", ret
);
361 /* this can't happen */
362 if (WARN_ON(ret
> 0))
366 /* should stop & start HW since that INIT image just loaded */
367 iwl_trans_stop_hw(mvm
->trans
, false);
368 ret
= iwl_trans_start_hw(mvm
->trans
);
373 if (iwlmvm_mod_params
.init_dbg
)
376 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_REGULAR
);
378 IWL_ERR(mvm
, "Failed to start RT ucode: %d\n", ret
);
382 ret
= iwl_send_tx_ant_cfg(mvm
, iwl_fw_valid_tx_ant(mvm
->fw
));
386 ret
= iwl_send_bt_prio_tbl(mvm
);
390 ret
= iwl_send_bt_init_conf(mvm
);
394 /* Send phy db control command and then phy db calibration*/
395 ret
= iwl_send_phy_db_data(mvm
->phy_db
);
399 ret
= iwl_send_phy_cfg_cmd(mvm
);
403 /* init the fw <-> mac80211 STA mapping */
404 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++)
405 RCU_INIT_POINTER(mvm
->fw_id_to_mac_id
[i
], NULL
);
407 /* Add auxiliary station for scanning */
408 ret
= iwl_mvm_add_aux_sta(mvm
);
412 /* Add all the PHY contexts */
413 chan
= &mvm
->hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
]->channels
[0];
414 cfg80211_chandef_create(&chandef
, chan
, NL80211_CHAN_NO_HT
);
415 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
417 * The channel used here isn't relevant as it's
418 * going to be overwritten in the other flows.
419 * For now use the first channel we have.
421 ret
= iwl_mvm_phy_ctxt_add(mvm
, &mvm
->phy_ctxts
[i
],
427 if (mvm
->trans
->ltr_enabled
) {
428 struct iwl_ltr_config_cmd cmd
= {
429 .flags
= cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE
),
432 WARN_ON(iwl_mvm_send_cmd_pdu(mvm
, LTR_CONFIG
, 0,
436 IWL_DEBUG_INFO(mvm
, "RT uCode started.\n");
439 iwl_trans_stop_device(mvm
->trans
);
443 int iwl_mvm_load_d3_fw(struct iwl_mvm
*mvm
)
447 lockdep_assert_held(&mvm
->mutex
);
449 ret
= iwl_trans_start_hw(mvm
->trans
);
453 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_WOWLAN
);
455 IWL_ERR(mvm
, "Failed to start WoWLAN firmware: %d\n", ret
);
459 ret
= iwl_send_tx_ant_cfg(mvm
, iwl_fw_valid_tx_ant(mvm
->fw
));
463 /* Send phy db control command and then phy db calibration*/
464 ret
= iwl_send_phy_db_data(mvm
->phy_db
);
468 ret
= iwl_send_phy_cfg_cmd(mvm
);
472 /* init the fw <-> mac80211 STA mapping */
473 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++)
474 RCU_INIT_POINTER(mvm
->fw_id_to_mac_id
[i
], NULL
);
476 /* Add auxiliary station for scanning */
477 ret
= iwl_mvm_add_aux_sta(mvm
);
483 iwl_trans_stop_device(mvm
->trans
);
487 int iwl_mvm_rx_card_state_notif(struct iwl_mvm
*mvm
,
488 struct iwl_rx_cmd_buffer
*rxb
,
489 struct iwl_device_cmd
*cmd
)
491 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
492 struct iwl_card_state_notif
*card_state_notif
= (void *)pkt
->data
;
493 u32 flags
= le32_to_cpu(card_state_notif
->flags
);
495 IWL_DEBUG_RF_KILL(mvm
, "Card state received: HW:%s SW:%s CT:%s\n",
496 (flags
& HW_CARD_DISABLED
) ? "Kill" : "On",
497 (flags
& SW_CARD_DISABLED
) ? "Kill" : "On",
498 (flags
& CT_KILL_CARD_DISABLED
) ?
499 "Reached" : "Not reached");
504 int iwl_mvm_rx_radio_ver(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
505 struct iwl_device_cmd
*cmd
)
507 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
508 struct iwl_radio_version_notif
*radio_version
= (void *)pkt
->data
;
510 /* TODO: what to do with that? */
512 "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
513 le32_to_cpu(radio_version
->radio_flavor
),
514 le32_to_cpu(radio_version
->radio_step
),
515 le32_to_cpu(radio_version
->radio_dash
));