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 /* Default calibration values for WkP - set to INIT image w/o running */
82 static const u8 wkp_calib_values_rx_iq_skew
[] = { 0x00, 0x00, 0x01, 0x00 };
83 static const u8 wkp_calib_values_tx_iq_skew
[] = { 0x01, 0x00, 0x00, 0x00 };
85 struct iwl_calib_default_data
{
90 #define CALIB_SIZE_N_DATA(_buf) {.size = sizeof(_buf), .data = &_buf}
92 static const struct iwl_calib_default_data wkp_calib_default_data
[12] = {
93 [9] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq_skew
),
94 [11] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq_skew
),
97 struct iwl_mvm_alive_data
{
102 static inline const struct fw_img
*
103 iwl_get_ucode_image(struct iwl_mvm
*mvm
, enum iwl_ucode_type ucode_type
)
105 if (ucode_type
>= IWL_UCODE_TYPE_MAX
)
108 return &mvm
->fw
->img
[ucode_type
];
111 static int iwl_send_tx_ant_cfg(struct iwl_mvm
*mvm
, u8 valid_tx_ant
)
113 struct iwl_tx_ant_cfg_cmd tx_ant_cmd
= {
114 .valid
= cpu_to_le32(valid_tx_ant
),
117 IWL_DEBUG_HC(mvm
, "select valid tx ant: %u\n", valid_tx_ant
);
118 return iwl_mvm_send_cmd_pdu(mvm
, TX_ANT_CONFIGURATION_CMD
, CMD_SYNC
,
119 sizeof(tx_ant_cmd
), &tx_ant_cmd
);
122 static bool iwl_alive_fn(struct iwl_notif_wait_data
*notif_wait
,
123 struct iwl_rx_packet
*pkt
, void *data
)
125 struct iwl_mvm
*mvm
=
126 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
127 struct iwl_mvm_alive_data
*alive_data
= data
;
128 struct mvm_alive_resp
*palive
;
130 palive
= (void *)pkt
->data
;
132 mvm
->error_event_table
= le32_to_cpu(palive
->error_event_table_ptr
);
133 mvm
->log_event_table
= le32_to_cpu(palive
->log_event_table_ptr
);
134 alive_data
->scd_base_addr
= le32_to_cpu(palive
->scd_base_ptr
);
136 alive_data
->valid
= le16_to_cpu(palive
->status
) == IWL_ALIVE_STATUS_OK
;
137 IWL_DEBUG_FW(mvm
, "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
138 le16_to_cpu(palive
->status
), palive
->ver_type
,
139 palive
->ver_subtype
);
144 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data
*notif_wait
,
145 struct iwl_rx_packet
*pkt
, void *data
)
147 struct iwl_phy_db
*phy_db
= data
;
149 if (pkt
->hdr
.cmd
!= CALIB_RES_NOTIF_PHY_DB
) {
150 WARN_ON(pkt
->hdr
.cmd
!= INIT_COMPLETE_NOTIF
);
154 WARN_ON(iwl_phy_db_set_section(phy_db
, pkt
, GFP_ATOMIC
));
159 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm
*mvm
,
160 enum iwl_ucode_type ucode_type
)
162 struct iwl_notification_wait alive_wait
;
163 struct iwl_mvm_alive_data alive_data
;
164 const struct fw_img
*fw
;
166 enum iwl_ucode_type old_type
= mvm
->cur_ucode
;
167 static const u8 alive_cmd
[] = { MVM_ALIVE
};
169 mvm
->cur_ucode
= ucode_type
;
170 fw
= iwl_get_ucode_image(mvm
, ucode_type
);
172 mvm
->ucode_loaded
= false;
177 iwl_init_notification_wait(&mvm
->notif_wait
, &alive_wait
,
178 alive_cmd
, ARRAY_SIZE(alive_cmd
),
179 iwl_alive_fn
, &alive_data
);
181 ret
= iwl_trans_start_fw(mvm
->trans
, fw
, ucode_type
== IWL_UCODE_INIT
);
183 mvm
->cur_ucode
= old_type
;
184 iwl_remove_notification(&mvm
->notif_wait
, &alive_wait
);
189 * Some things may run in the background now, but we
190 * just wait for the ALIVE notification here.
192 ret
= iwl_wait_notification(&mvm
->notif_wait
, &alive_wait
,
193 MVM_UCODE_ALIVE_TIMEOUT
);
195 mvm
->cur_ucode
= old_type
;
199 if (!alive_data
.valid
) {
200 IWL_ERR(mvm
, "Loaded ucode is not valid!\n");
201 mvm
->cur_ucode
= old_type
;
205 iwl_trans_fw_alive(mvm
->trans
, alive_data
.scd_base_addr
);
208 * Note: all the queues are enabled as part of the interface
209 * initialization, but in firmware restart scenarios they
210 * could be stopped, so wake them up. In firmware restart,
211 * mac80211 will have the queues stopped as well until the
212 * reconfiguration completes. During normal startup, they
216 for (i
= 0; i
< IWL_MAX_HW_QUEUES
; i
++) {
217 if (i
< IWL_MVM_FIRST_AGG_QUEUE
&& i
!= IWL_MVM_CMD_QUEUE
)
218 mvm
->queue_to_mac80211
[i
] = i
;
220 mvm
->queue_to_mac80211
[i
] = IWL_INVALID_MAC80211_QUEUE
;
221 atomic_set(&mvm
->queue_stop_count
[i
], 0);
224 mvm
->transport_queue_stop
= 0;
226 mvm
->ucode_loaded
= true;
231 static int iwl_send_phy_cfg_cmd(struct iwl_mvm
*mvm
)
233 struct iwl_phy_cfg_cmd phy_cfg_cmd
;
234 enum iwl_ucode_type ucode_type
= mvm
->cur_ucode
;
237 phy_cfg_cmd
.phy_cfg
= cpu_to_le32(mvm
->fw
->phy_config
);
238 phy_cfg_cmd
.calib_control
.event_trigger
=
239 mvm
->fw
->default_calib
[ucode_type
].event_trigger
;
240 phy_cfg_cmd
.calib_control
.flow_trigger
=
241 mvm
->fw
->default_calib
[ucode_type
].flow_trigger
;
243 IWL_DEBUG_INFO(mvm
, "Sending Phy CFG command: 0x%x\n",
244 phy_cfg_cmd
.phy_cfg
);
246 return iwl_mvm_send_cmd_pdu(mvm
, PHY_CONFIGURATION_CMD
, CMD_SYNC
,
247 sizeof(phy_cfg_cmd
), &phy_cfg_cmd
);
250 static int iwl_set_default_calibrations(struct iwl_mvm
*mvm
)
252 u8 cmd_raw
[16]; /* holds the variable size commands */
253 struct iwl_set_calib_default_cmd
*cmd
=
254 (struct iwl_set_calib_default_cmd
*)cmd_raw
;
257 /* Setting default values for calibrations we don't run */
258 for (i
= 0; i
< ARRAY_SIZE(wkp_calib_default_data
); i
++) {
261 if (wkp_calib_default_data
[i
].size
== 0)
264 memset(cmd_raw
, 0, sizeof(cmd_raw
));
265 cmd_len
= wkp_calib_default_data
[i
].size
+ sizeof(cmd
);
266 cmd
->calib_index
= cpu_to_le16(i
);
267 cmd
->length
= cpu_to_le16(wkp_calib_default_data
[i
].size
);
268 if (WARN_ONCE(cmd_len
> sizeof(cmd_raw
),
269 "Need to enlarge cmd_raw to %d\n", cmd_len
))
271 memcpy(cmd
->data
, wkp_calib_default_data
[i
].data
,
272 wkp_calib_default_data
[i
].size
);
273 ret
= iwl_mvm_send_cmd_pdu(mvm
, SET_CALIB_DEFAULT_CMD
, 0,
275 wkp_calib_default_data
[i
].size
,
284 int iwl_run_init_mvm_ucode(struct iwl_mvm
*mvm
, bool read_nvm
)
286 struct iwl_notification_wait calib_wait
;
287 static const u8 init_complete
[] = {
289 CALIB_RES_NOTIF_PHY_DB
293 lockdep_assert_held(&mvm
->mutex
);
295 if (mvm
->init_ucode_run
)
298 iwl_init_notification_wait(&mvm
->notif_wait
,
301 ARRAY_SIZE(init_complete
),
302 iwl_wait_phy_db_entry
,
305 /* Will also start the device */
306 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_INIT
);
308 IWL_ERR(mvm
, "Failed to start INIT ucode: %d\n", ret
);
312 ret
= iwl_send_bt_prio_tbl(mvm
);
318 ret
= iwl_nvm_init(mvm
);
320 IWL_ERR(mvm
, "Failed to read NVM: %d\n", ret
);
325 ret
= iwl_nvm_check_version(mvm
->nvm_data
, mvm
->trans
);
328 /* Send TX valid antennas before triggering calibrations */
329 ret
= iwl_send_tx_ant_cfg(mvm
, mvm
->nvm_data
->valid_tx_ant
);
333 /* WkP doesn't have all calibrations, need to set default values */
334 if (mvm
->cfg
->device_family
== IWL_DEVICE_FAMILY_7000
) {
335 ret
= iwl_set_default_calibrations(mvm
);
341 * Send phy configurations command to init uCode
342 * to start the 16.0 uCode init image internal calibrations.
344 ret
= iwl_send_phy_cfg_cmd(mvm
);
346 IWL_ERR(mvm
, "Failed to run INIT calibrations: %d\n",
352 * Some things may run in the background now, but we
353 * just wait for the calibration complete notification.
355 ret
= iwl_wait_notification(&mvm
->notif_wait
, &calib_wait
,
356 MVM_UCODE_CALIB_TIMEOUT
);
358 mvm
->init_ucode_run
= true;
362 iwl_remove_notification(&mvm
->notif_wait
, &calib_wait
);
364 if (!iwlmvm_mod_params
.init_dbg
) {
365 iwl_trans_stop_device(mvm
->trans
);
366 } else if (!mvm
->nvm_data
) {
367 /* we want to debug INIT and we have no NVM - fake */
368 mvm
->nvm_data
= kzalloc(sizeof(struct iwl_nvm_data
) +
369 sizeof(struct ieee80211_channel
) +
370 sizeof(struct ieee80211_rate
),
374 mvm
->nvm_data
->valid_rx_ant
= 1;
375 mvm
->nvm_data
->valid_tx_ant
= 1;
376 mvm
->nvm_data
->bands
[0].channels
= mvm
->nvm_data
->channels
;
377 mvm
->nvm_data
->bands
[0].n_channels
= 1;
378 mvm
->nvm_data
->bands
[0].n_bitrates
= 1;
379 mvm
->nvm_data
->bands
[0].bitrates
=
380 (void *)mvm
->nvm_data
->channels
+ 1;
381 mvm
->nvm_data
->bands
[0].bitrates
->hw_value
= 10;
387 #define UCODE_CALIB_TIMEOUT (2*HZ)
389 int iwl_mvm_up(struct iwl_mvm
*mvm
)
393 lockdep_assert_held(&mvm
->mutex
);
395 ret
= iwl_trans_start_hw(mvm
->trans
);
399 /* If we were in RFKILL during module loading, load init ucode now */
400 if (!mvm
->init_ucode_run
) {
401 ret
= iwl_run_init_mvm_ucode(mvm
, false);
402 if (ret
&& !iwlmvm_mod_params
.init_dbg
) {
403 IWL_ERR(mvm
, "Failed to run INIT ucode: %d\n", ret
);
408 if (iwlmvm_mod_params
.init_dbg
)
411 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_REGULAR
);
413 IWL_ERR(mvm
, "Failed to start RT ucode: %d\n", ret
);
417 ret
= iwl_send_tx_ant_cfg(mvm
, mvm
->nvm_data
->valid_tx_ant
);
421 ret
= iwl_send_bt_prio_tbl(mvm
);
425 ret
= iwl_send_bt_init_conf(mvm
);
429 /* Send phy db control command and then phy db calibration*/
430 ret
= iwl_send_phy_db_data(mvm
->phy_db
);
434 ret
= iwl_send_phy_cfg_cmd(mvm
);
438 /* init the fw <-> mac80211 STA mapping */
439 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++)
440 RCU_INIT_POINTER(mvm
->fw_id_to_mac_id
[i
], NULL
);
442 /* Add auxiliary station for scanning */
443 ret
= iwl_mvm_add_aux_sta(mvm
);
447 IWL_DEBUG_INFO(mvm
, "RT uCode started.\n");
451 iwl_trans_stop_device(mvm
->trans
);
455 int iwl_mvm_load_d3_fw(struct iwl_mvm
*mvm
)
459 lockdep_assert_held(&mvm
->mutex
);
461 ret
= iwl_trans_start_hw(mvm
->trans
);
465 ret
= iwl_mvm_load_ucode_wait_alive(mvm
, IWL_UCODE_WOWLAN
);
467 IWL_ERR(mvm
, "Failed to start WoWLAN firmware: %d\n", ret
);
471 ret
= iwl_send_tx_ant_cfg(mvm
, mvm
->nvm_data
->valid_tx_ant
);
475 /* Send phy db control command and then phy db calibration*/
476 ret
= iwl_send_phy_db_data(mvm
->phy_db
);
480 ret
= iwl_send_phy_cfg_cmd(mvm
);
484 /* init the fw <-> mac80211 STA mapping */
485 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++)
486 RCU_INIT_POINTER(mvm
->fw_id_to_mac_id
[i
], NULL
);
488 /* Add auxiliary station for scanning */
489 ret
= iwl_mvm_add_aux_sta(mvm
);
495 iwl_trans_stop_device(mvm
->trans
);
499 int iwl_mvm_rx_card_state_notif(struct iwl_mvm
*mvm
,
500 struct iwl_rx_cmd_buffer
*rxb
,
501 struct iwl_device_cmd
*cmd
)
503 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
504 struct iwl_card_state_notif
*card_state_notif
= (void *)pkt
->data
;
505 u32 flags
= le32_to_cpu(card_state_notif
->flags
);
507 IWL_DEBUG_RF_KILL(mvm
, "Card state received: HW:%s SW:%s CT:%s\n",
508 (flags
& HW_CARD_DISABLED
) ? "Kill" : "On",
509 (flags
& SW_CARD_DISABLED
) ? "Kill" : "On",
510 (flags
& CT_KILL_CARD_DISABLED
) ?
511 "Reached" : "Not reached");
516 int iwl_mvm_rx_radio_ver(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
517 struct iwl_device_cmd
*cmd
)
519 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
520 struct iwl_radio_version_notif
*radio_version
= (void *)pkt
->data
;
522 /* TODO: what to do with that? */
524 "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
525 le32_to_cpu(radio_version
->radio_flavor
),
526 le32_to_cpu(radio_version
->radio_step
),
527 le32_to_cpu(radio_version
->radio_dash
));