1 /******************************************************************************
5 * Copyright(c) 2008 - 2012 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/init.h>
36 #include "iwl-agn-hw.h"
38 #include "iwl-agn-calib.h"
39 #include "iwl-trans.h"
41 #include "iwl-op-mode.h"
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
}
74 /******************************************************************************
76 * uCode download functions
78 ******************************************************************************/
80 static inline const struct fw_img
*
81 iwl_get_ucode_image(struct iwl_priv
*priv
, enum iwl_ucode_type ucode_type
)
85 return &priv
->fw
->ucode_init
;
86 case IWL_UCODE_WOWLAN
:
87 return &priv
->fw
->ucode_wowlan
;
88 case IWL_UCODE_REGULAR
:
89 return &priv
->fw
->ucode_rt
;
99 static int iwl_set_Xtal_calib(struct iwl_priv
*priv
)
101 struct iwl_calib_xtal_freq_cmd cmd
;
103 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
, EEPROM_XTAL
);
105 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD
);
106 cmd
.cap_pin1
= le16_to_cpu(xtal_calib
[0]);
107 cmd
.cap_pin2
= le16_to_cpu(xtal_calib
[1]);
108 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
111 static int iwl_set_temperature_offset_calib(struct iwl_priv
*priv
)
113 struct iwl_calib_temperature_offset_cmd cmd
;
114 __le16
*offset_calib
=
115 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
,
116 EEPROM_RAW_TEMPERATURE
);
118 memset(&cmd
, 0, sizeof(cmd
));
119 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD
);
120 memcpy(&cmd
.radio_sensor_offset
, offset_calib
, sizeof(*offset_calib
));
121 if (!(cmd
.radio_sensor_offset
))
122 cmd
.radio_sensor_offset
= DEFAULT_RADIO_SENSOR_OFFSET
;
124 IWL_DEBUG_CALIB(priv
, "Radio sensor offset: %d\n",
125 le16_to_cpu(cmd
.radio_sensor_offset
));
126 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
129 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv
*priv
)
131 struct iwl_calib_temperature_offset_v2_cmd cmd
;
132 __le16
*offset_calib_high
= (__le16
*)iwl_eeprom_query_addr(priv
->shrd
,
133 EEPROM_KELVIN_TEMPERATURE
);
134 __le16
*offset_calib_low
=
135 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
,
136 EEPROM_RAW_TEMPERATURE
);
137 struct iwl_eeprom_calib_hdr
*hdr
;
139 memset(&cmd
, 0, sizeof(cmd
));
140 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD
);
141 hdr
= (struct iwl_eeprom_calib_hdr
*)iwl_eeprom_query_addr(priv
->shrd
,
143 memcpy(&cmd
.radio_sensor_offset_high
, offset_calib_high
,
144 sizeof(*offset_calib_high
));
145 memcpy(&cmd
.radio_sensor_offset_low
, offset_calib_low
,
146 sizeof(*offset_calib_low
));
147 if (!(cmd
.radio_sensor_offset_low
)) {
148 IWL_DEBUG_CALIB(priv
, "no info in EEPROM, use default\n");
149 cmd
.radio_sensor_offset_low
= DEFAULT_RADIO_SENSOR_OFFSET
;
150 cmd
.radio_sensor_offset_high
= DEFAULT_RADIO_SENSOR_OFFSET
;
152 memcpy(&cmd
.burntVoltageRef
, &hdr
->voltage
,
153 sizeof(hdr
->voltage
));
155 IWL_DEBUG_CALIB(priv
, "Radio sensor offset high: %d\n",
156 le16_to_cpu(cmd
.radio_sensor_offset_high
));
157 IWL_DEBUG_CALIB(priv
, "Radio sensor offset low: %d\n",
158 le16_to_cpu(cmd
.radio_sensor_offset_low
));
159 IWL_DEBUG_CALIB(priv
, "Voltage Ref: %d\n",
160 le16_to_cpu(cmd
.burntVoltageRef
));
162 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
165 static int iwl_send_calib_cfg(struct iwl_priv
*priv
)
167 struct iwl_calib_cfg_cmd calib_cfg_cmd
;
168 struct iwl_host_cmd cmd
= {
169 .id
= CALIBRATION_CFG_CMD
,
170 .len
= { sizeof(struct iwl_calib_cfg_cmd
), },
171 .data
= { &calib_cfg_cmd
, },
174 memset(&calib_cfg_cmd
, 0, sizeof(calib_cfg_cmd
));
175 calib_cfg_cmd
.ucd_calib_cfg
.once
.is_enable
= IWL_CALIB_INIT_CFG_ALL
;
176 calib_cfg_cmd
.ucd_calib_cfg
.once
.start
= IWL_CALIB_INIT_CFG_ALL
;
177 calib_cfg_cmd
.ucd_calib_cfg
.once
.send_res
= IWL_CALIB_INIT_CFG_ALL
;
178 calib_cfg_cmd
.ucd_calib_cfg
.flags
=
179 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK
;
181 return iwl_dvm_send_cmd(priv
, &cmd
);
184 int iwlagn_rx_calib_result(struct iwl_priv
*priv
,
185 struct iwl_rx_cmd_buffer
*rxb
,
186 struct iwl_device_cmd
*cmd
)
188 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
189 struct iwl_calib_hdr
*hdr
= (struct iwl_calib_hdr
*)pkt
->data
;
190 int len
= le32_to_cpu(pkt
->len_n_flags
) & FH_RSCSR_FRAME_SIZE_MSK
;
192 /* reduce the size of the length field itself */
195 if (iwl_calib_set(priv
, hdr
, len
))
196 IWL_ERR(priv
, "Failed to record calibration data %d\n",
202 int iwl_init_alive_start(struct iwl_priv
*priv
)
206 if (cfg(priv
)->bt_params
&&
207 cfg(priv
)->bt_params
->advanced_bt_coexist
) {
209 * Tell uCode we are ready to perform calibration
210 * need to perform this before any calibration
211 * no need to close the envlope since we are going
212 * to load the runtime uCode later.
214 ret
= iwl_send_bt_env(priv
, IWL_BT_COEX_ENV_OPEN
,
215 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2
);
221 ret
= iwl_send_calib_cfg(priv
);
226 * temperature offset calibration is only needed for runtime ucode,
227 * so prepare the value now.
229 if (cfg(priv
)->need_temp_offset_calib
) {
230 if (cfg(priv
)->temp_offset_v2
)
231 return iwl_set_temperature_offset_calib_v2(priv
);
233 return iwl_set_temperature_offset_calib(priv
);
239 static int iwl_send_wimax_coex(struct iwl_priv
*priv
)
241 struct iwl_wimax_coex_cmd coex_cmd
;
243 if (cfg(priv
)->base_params
->support_wimax_coexist
) {
244 /* UnMask wake up src at associated sleep */
245 coex_cmd
.flags
= COEX_FLAGS_ASSOC_WA_UNMASK_MSK
;
247 /* UnMask wake up src at unassociated sleep */
248 coex_cmd
.flags
|= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK
;
249 memcpy(coex_cmd
.sta_prio
, cu_priorities
,
250 sizeof(struct iwl_wimax_coex_event_entry
) *
253 /* enabling the coexistence feature */
254 coex_cmd
.flags
|= COEX_FLAGS_COEX_ENABLE_MSK
;
256 /* enabling the priorities tables */
257 coex_cmd
.flags
|= COEX_FLAGS_STA_TABLE_VALID_MSK
;
259 /* coexistence is disabled */
260 memset(&coex_cmd
, 0, sizeof(coex_cmd
));
262 return iwl_dvm_send_cmd_pdu(priv
,
263 COEX_PRIORITY_TABLE_CMD
, CMD_SYNC
,
264 sizeof(coex_cmd
), &coex_cmd
);
267 static const u8 iwl_bt_prio_tbl
[BT_COEX_PRIO_TBL_EVT_MAX
] = {
268 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
269 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
270 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
271 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
272 ((BT_COEX_PRIO_TBL_PRIO_LOW
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
273 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
274 ((BT_COEX_PRIO_TBL_PRIO_LOW
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
275 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
276 ((BT_COEX_PRIO_TBL_PRIO_HIGH
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
277 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
278 ((BT_COEX_PRIO_TBL_PRIO_HIGH
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
279 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
280 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
281 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
282 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
283 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
284 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
285 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
289 void iwl_send_prio_tbl(struct iwl_priv
*priv
)
291 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd
;
293 memcpy(prio_tbl_cmd
.prio_tbl
, iwl_bt_prio_tbl
,
294 sizeof(iwl_bt_prio_tbl
));
295 if (iwl_dvm_send_cmd_pdu(priv
,
296 REPLY_BT_COEX_PRIO_TABLE
, CMD_SYNC
,
297 sizeof(prio_tbl_cmd
), &prio_tbl_cmd
))
298 IWL_ERR(priv
, "failed to send BT prio tbl command\n");
301 int iwl_send_bt_env(struct iwl_priv
*priv
, u8 action
, u8 type
)
303 struct iwl_bt_coex_prot_env_cmd env_cmd
;
306 env_cmd
.action
= action
;
308 ret
= iwl_dvm_send_cmd_pdu(priv
,
309 REPLY_BT_COEX_PROT_ENV
, CMD_SYNC
,
310 sizeof(env_cmd
), &env_cmd
);
312 IWL_ERR(priv
, "failed to send BT env command\n");
317 static int iwl_alive_notify(struct iwl_priv
*priv
)
319 struct iwl_rxon_context
*ctx
;
322 if (!priv
->tx_cmd_pool
)
324 kmem_cache_create("iwl_dev_cmd",
325 sizeof(struct iwl_device_cmd
),
326 sizeof(void *), 0, NULL
);
328 if (!priv
->tx_cmd_pool
)
331 iwl_trans_fw_alive(trans(priv
));
332 for_each_context(priv
, ctx
)
333 ctx
->last_tx_rejected
= false;
335 ret
= iwl_send_wimax_coex(priv
);
339 if (!cfg(priv
)->no_xtal_calib
) {
340 ret
= iwl_set_Xtal_calib(priv
);
345 return iwl_send_calib_results(priv
);
350 * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
351 * using sample data 100 bytes apart. If these sample points are good,
352 * it's a pretty good bet that everything between them is good, too.
354 static int iwl_verify_inst_sparse(struct iwl_priv
*priv
,
355 const struct fw_desc
*fw_desc
)
357 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
358 u32 len
= fw_desc
->len
;
362 IWL_DEBUG_FW(priv
, "ucode inst image size is %u\n", len
);
364 for (i
= 0; i
< len
; i
+= 100, image
+= 100/sizeof(u32
)) {
365 /* read data comes through single port, auto-incr addr */
366 /* NOTE: Use the debugless read so we don't flood kernel log
367 * if IWL_DL_IO is set */
368 iwl_write_direct32(trans(priv
), HBUS_TARG_MEM_RADDR
,
369 i
+ IWLAGN_RTC_INST_LOWER_BOUND
);
370 val
= iwl_read32(trans(priv
), HBUS_TARG_MEM_RDAT
);
371 if (val
!= le32_to_cpu(*image
))
378 static void iwl_print_mismatch_inst(struct iwl_priv
*priv
,
379 const struct fw_desc
*fw_desc
)
381 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
382 u32 len
= fw_desc
->len
;
387 IWL_DEBUG_FW(priv
, "ucode inst image size is %u\n", len
);
389 iwl_write_direct32(trans(priv
), HBUS_TARG_MEM_RADDR
,
390 IWLAGN_RTC_INST_LOWER_BOUND
);
393 offs
< len
&& errors
< 20;
394 offs
+= sizeof(u32
), image
++) {
395 /* read data comes through single port, auto-incr addr */
396 val
= iwl_read32(trans(priv
), HBUS_TARG_MEM_RDAT
);
397 if (val
!= le32_to_cpu(*image
)) {
398 IWL_ERR(priv
, "uCode INST section at "
399 "offset 0x%x, is 0x%x, s/b 0x%x\n",
400 offs
, val
, le32_to_cpu(*image
));
407 * iwl_verify_ucode - determine which instruction image is in SRAM,
408 * and verify its contents
410 static int iwl_verify_ucode(struct iwl_priv
*priv
,
411 enum iwl_ucode_type ucode_type
)
413 const struct fw_img
*img
= iwl_get_ucode_image(priv
, ucode_type
);
416 IWL_ERR(priv
, "Invalid ucode requested (%d)\n", ucode_type
);
420 if (!iwl_verify_inst_sparse(priv
, &img
->code
)) {
421 IWL_DEBUG_FW(priv
, "uCode is good in inst SRAM\n");
425 IWL_ERR(priv
, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
427 iwl_print_mismatch_inst(priv
, &img
->code
);
431 struct iwl_alive_data
{
436 static void iwl_alive_fn(struct iwl_notif_wait_data
*notif_wait
,
437 struct iwl_rx_packet
*pkt
,
440 struct iwl_priv
*priv
=
441 container_of(notif_wait
, struct iwl_priv
, notif_wait
);
442 struct iwl_alive_data
*alive_data
= data
;
443 struct iwl_alive_resp
*palive
;
445 palive
= (void *)pkt
->data
;
447 IWL_DEBUG_FW(priv
, "Alive ucode status 0x%08X revision "
449 palive
->is_valid
, palive
->ver_type
,
450 palive
->ver_subtype
);
452 priv
->shrd
->device_pointers
.error_event_table
=
453 le32_to_cpu(palive
->error_event_table_ptr
);
454 priv
->shrd
->device_pointers
.log_event_table
=
455 le32_to_cpu(palive
->log_event_table_ptr
);
457 alive_data
->subtype
= palive
->ver_subtype
;
458 alive_data
->valid
= palive
->is_valid
== UCODE_VALID_OK
;
461 #define UCODE_ALIVE_TIMEOUT HZ
462 #define UCODE_CALIB_TIMEOUT (2*HZ)
464 int iwl_load_ucode_wait_alive(struct iwl_priv
*priv
,
465 enum iwl_ucode_type ucode_type
)
467 struct iwl_notification_wait alive_wait
;
468 struct iwl_alive_data alive_data
;
469 const struct fw_img
*fw
;
471 enum iwl_ucode_type old_type
;
473 old_type
= priv
->shrd
->ucode_type
;
474 priv
->shrd
->ucode_type
= ucode_type
;
475 fw
= iwl_get_ucode_image(priv
, ucode_type
);
480 iwl_init_notification_wait(&priv
->notif_wait
, &alive_wait
, REPLY_ALIVE
,
481 iwl_alive_fn
, &alive_data
);
483 ret
= iwl_trans_start_fw(trans(priv
), fw
);
485 priv
->shrd
->ucode_type
= old_type
;
486 iwl_remove_notification(&priv
->notif_wait
, &alive_wait
);
491 * Some things may run in the background now, but we
492 * just wait for the ALIVE notification here.
494 ret
= iwl_wait_notification(&priv
->notif_wait
, &alive_wait
,
495 UCODE_ALIVE_TIMEOUT
);
497 priv
->shrd
->ucode_type
= old_type
;
501 if (!alive_data
.valid
) {
502 IWL_ERR(priv
, "Loaded ucode is not valid!\n");
503 priv
->shrd
->ucode_type
= old_type
;
508 * This step takes a long time (60-80ms!!) and
509 * WoWLAN image should be loaded quickly, so
510 * skip it for WoWLAN.
512 if (ucode_type
!= IWL_UCODE_WOWLAN
) {
513 ret
= iwl_verify_ucode(priv
, ucode_type
);
515 priv
->shrd
->ucode_type
= old_type
;
519 /* delay a bit to give rfkill time to run */
523 ret
= iwl_alive_notify(priv
);
526 "Could not complete ALIVE transition: %d\n", ret
);
527 priv
->shrd
->ucode_type
= old_type
;
534 int iwl_run_init_ucode(struct iwl_priv
*priv
)
536 struct iwl_notification_wait calib_wait
;
539 lockdep_assert_held(&priv
->mutex
);
541 /* No init ucode required? Curious, but maybe ok */
542 if (!priv
->fw
->ucode_init
.code
.len
)
545 if (priv
->shrd
->ucode_type
!= IWL_UCODE_NONE
)
548 iwl_init_notification_wait(&priv
->notif_wait
, &calib_wait
,
549 CALIBRATION_COMPLETE_NOTIFICATION
,
552 /* Will also start the device */
553 ret
= iwl_load_ucode_wait_alive(priv
, IWL_UCODE_INIT
);
557 ret
= iwl_init_alive_start(priv
);
562 * Some things may run in the background now, but we
563 * just wait for the calibration complete notification.
565 ret
= iwl_wait_notification(&priv
->notif_wait
, &calib_wait
,
566 UCODE_CALIB_TIMEOUT
);
571 iwl_remove_notification(&priv
->notif_wait
, &calib_wait
);
573 /* Whatever happened, stop the device */
574 iwl_trans_stop_device(trans(priv
));