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
)
83 if (ucode_type
>= IWL_UCODE_TYPE_MAX
)
86 return &priv
->fw
->img
[ucode_type
];
92 static int iwl_set_Xtal_calib(struct iwl_priv
*priv
)
94 struct iwl_calib_xtal_freq_cmd cmd
;
96 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
, EEPROM_XTAL
);
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
));
104 static int iwl_set_temperature_offset_calib(struct iwl_priv
*priv
)
106 struct iwl_calib_temperature_offset_cmd cmd
;
107 __le16
*offset_calib
=
108 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
,
109 EEPROM_RAW_TEMPERATURE
);
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
;
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
));
122 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv
*priv
)
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
;
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
,
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
;
145 memcpy(&cmd
.burntVoltageRef
, &hdr
->voltage
,
146 sizeof(hdr
->voltage
));
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
));
155 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
158 static int iwl_send_calib_cfg(struct iwl_priv
*priv
)
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
, },
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
;
174 return iwl_dvm_send_cmd(priv
, &cmd
);
177 int iwlagn_rx_calib_result(struct iwl_priv
*priv
,
178 struct iwl_rx_cmd_buffer
*rxb
,
179 struct iwl_device_cmd
*cmd
)
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
;
185 /* reduce the size of the length field itself */
188 if (iwl_calib_set(priv
, hdr
, len
))
189 IWL_ERR(priv
, "Failed to record calibration data %d\n",
195 int iwl_init_alive_start(struct iwl_priv
*priv
)
199 if (cfg(priv
)->bt_params
&&
200 cfg(priv
)->bt_params
->advanced_bt_coexist
) {
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.
207 ret
= iwl_send_bt_env(priv
, IWL_BT_COEX_ENV_OPEN
,
208 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2
);
214 ret
= iwl_send_calib_cfg(priv
);
219 * temperature offset calibration is only needed for runtime ucode,
220 * so prepare the value now.
222 if (cfg(priv
)->need_temp_offset_calib
) {
223 if (cfg(priv
)->temp_offset_v2
)
224 return iwl_set_temperature_offset_calib_v2(priv
);
226 return iwl_set_temperature_offset_calib(priv
);
232 static int iwl_send_wimax_coex(struct iwl_priv
*priv
)
234 struct iwl_wimax_coex_cmd coex_cmd
;
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
;
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
) *
246 /* enabling the coexistence feature */
247 coex_cmd
.flags
|= COEX_FLAGS_COEX_ENABLE_MSK
;
249 /* enabling the priorities tables */
250 coex_cmd
.flags
|= COEX_FLAGS_STA_TABLE_VALID_MSK
;
252 /* coexistence is disabled */
253 memset(&coex_cmd
, 0, sizeof(coex_cmd
));
255 return iwl_dvm_send_cmd_pdu(priv
,
256 COEX_PRIORITY_TABLE_CMD
, CMD_SYNC
,
257 sizeof(coex_cmd
), &coex_cmd
);
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
)),
282 void iwl_send_prio_tbl(struct iwl_priv
*priv
)
284 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd
;
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");
294 int iwl_send_bt_env(struct iwl_priv
*priv
, u8 action
, u8 type
)
296 struct iwl_bt_coex_prot_env_cmd env_cmd
;
299 env_cmd
.action
= action
;
301 ret
= iwl_dvm_send_cmd_pdu(priv
,
302 REPLY_BT_COEX_PROT_ENV
, CMD_SYNC
,
303 sizeof(env_cmd
), &env_cmd
);
305 IWL_ERR(priv
, "failed to send BT env command\n");
310 static int iwl_alive_notify(struct iwl_priv
*priv
)
314 iwl_trans_fw_alive(trans(priv
));
316 priv
->passive_no_rx
= false;
317 priv
->transport_queue_stop
= 0;
319 ret
= iwl_send_wimax_coex(priv
);
323 if (!cfg(priv
)->no_xtal_calib
) {
324 ret
= iwl_set_Xtal_calib(priv
);
329 return iwl_send_calib_results(priv
);
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.
338 static int iwl_verify_sec_sparse(struct iwl_priv
*priv
,
339 const struct fw_desc
*fw_desc
)
341 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
342 u32 len
= fw_desc
->len
;
346 IWL_DEBUG_FW(priv
, "ucode inst image size is %u\n", len
);
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
))
362 static void iwl_print_mismatch_sec(struct iwl_priv
*priv
,
363 const struct fw_desc
*fw_desc
)
365 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
366 u32 len
= fw_desc
->len
;
371 IWL_DEBUG_FW(priv
, "ucode inst image size is %u\n", len
);
373 iwl_write_direct32(trans(priv
), HBUS_TARG_MEM_RADDR
,
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
));
391 * iwl_verify_ucode - determine which instruction image is in SRAM,
392 * and verify its contents
394 static int iwl_verify_ucode(struct iwl_priv
*priv
,
395 enum iwl_ucode_type ucode_type
)
397 const struct fw_img
*img
= iwl_get_ucode_image(priv
, ucode_type
);
400 IWL_ERR(priv
, "Invalid ucode requested (%d)\n", ucode_type
);
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");
409 IWL_ERR(priv
, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
411 iwl_print_mismatch_sec(priv
, &img
->sec
[IWL_UCODE_SECTION_INST
]);
415 struct iwl_alive_data
{
420 static void iwl_alive_fn(struct iwl_notif_wait_data
*notif_wait
,
421 struct iwl_rx_packet
*pkt
,
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
;
429 palive
= (void *)pkt
->data
;
431 IWL_DEBUG_FW(priv
, "Alive ucode status 0x%08X revision "
433 palive
->is_valid
, palive
->ver_type
,
434 palive
->ver_subtype
);
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
);
441 alive_data
->subtype
= palive
->ver_subtype
;
442 alive_data
->valid
= palive
->is_valid
== UCODE_VALID_OK
;
445 #define UCODE_ALIVE_TIMEOUT HZ
446 #define UCODE_CALIB_TIMEOUT (2*HZ)
448 int iwl_load_ucode_wait_alive(struct iwl_priv
*priv
,
449 enum iwl_ucode_type ucode_type
)
451 struct iwl_notification_wait alive_wait
;
452 struct iwl_alive_data alive_data
;
453 const struct fw_img
*fw
;
455 enum iwl_ucode_type old_type
;
457 old_type
= priv
->shrd
->ucode_type
;
458 priv
->shrd
->ucode_type
= ucode_type
;
459 fw
= iwl_get_ucode_image(priv
, ucode_type
);
461 priv
->ucode_loaded
= false;
466 iwl_init_notification_wait(&priv
->notif_wait
, &alive_wait
, REPLY_ALIVE
,
467 iwl_alive_fn
, &alive_data
);
469 ret
= iwl_trans_start_fw(trans(priv
), fw
);
471 priv
->shrd
->ucode_type
= old_type
;
472 iwl_remove_notification(&priv
->notif_wait
, &alive_wait
);
477 * Some things may run in the background now, but we
478 * just wait for the ALIVE notification here.
480 ret
= iwl_wait_notification(&priv
->notif_wait
, &alive_wait
,
481 UCODE_ALIVE_TIMEOUT
);
483 priv
->shrd
->ucode_type
= old_type
;
487 if (!alive_data
.valid
) {
488 IWL_ERR(priv
, "Loaded ucode is not valid!\n");
489 priv
->shrd
->ucode_type
= old_type
;
494 * This step takes a long time (60-80ms!!) and
495 * WoWLAN image should be loaded quickly, so
496 * skip it for WoWLAN.
498 if (ucode_type
!= IWL_UCODE_WOWLAN
) {
499 ret
= iwl_verify_ucode(priv
, ucode_type
);
501 priv
->shrd
->ucode_type
= old_type
;
505 /* delay a bit to give rfkill time to run */
509 ret
= iwl_alive_notify(priv
);
512 "Could not complete ALIVE transition: %d\n", ret
);
513 priv
->shrd
->ucode_type
= old_type
;
517 priv
->ucode_loaded
= true;
522 int iwl_run_init_ucode(struct iwl_priv
*priv
)
524 struct iwl_notification_wait calib_wait
;
527 lockdep_assert_held(&priv
->mutex
);
529 /* No init ucode required? Curious, but maybe ok */
530 if (!priv
->fw
->img
[IWL_UCODE_INIT
].sec
[0].len
)
533 if (priv
->init_ucode_run
)
536 iwl_init_notification_wait(&priv
->notif_wait
, &calib_wait
,
537 CALIBRATION_COMPLETE_NOTIFICATION
,
540 /* Will also start the device */
541 ret
= iwl_load_ucode_wait_alive(priv
, IWL_UCODE_INIT
);
545 ret
= iwl_init_alive_start(priv
);
550 * Some things may run in the background now, but we
551 * just wait for the calibration complete notification.
553 ret
= iwl_wait_notification(&priv
->notif_wait
, &calib_wait
,
554 UCODE_CALIB_TIMEOUT
);
556 priv
->init_ucode_run
= true;
561 iwl_remove_notification(&priv
->notif_wait
, &calib_wait
);
563 /* Whatever happened, stop the device */
564 iwl_trans_stop_device(trans(priv
));
565 priv
->ucode_loaded
= false;