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 /******************************************************************************
45 * uCode download functions
47 ******************************************************************************/
49 static inline const struct fw_img
*
50 iwl_get_ucode_image(struct iwl_priv
*priv
, enum iwl_ucode_type ucode_type
)
52 if (ucode_type
>= IWL_UCODE_TYPE_MAX
)
55 return &priv
->fw
->img
[ucode_type
];
61 static int iwl_set_Xtal_calib(struct iwl_priv
*priv
)
63 struct iwl_calib_xtal_freq_cmd cmd
;
65 (__le16
*)iwl_eeprom_query_addr(priv
, EEPROM_XTAL
);
67 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD
);
68 cmd
.cap_pin1
= le16_to_cpu(xtal_calib
[0]);
69 cmd
.cap_pin2
= le16_to_cpu(xtal_calib
[1]);
70 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
73 static int iwl_set_temperature_offset_calib(struct iwl_priv
*priv
)
75 struct iwl_calib_temperature_offset_cmd cmd
;
76 __le16
*offset_calib
=
77 (__le16
*)iwl_eeprom_query_addr(priv
, EEPROM_RAW_TEMPERATURE
);
79 memset(&cmd
, 0, sizeof(cmd
));
80 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD
);
81 memcpy(&cmd
.radio_sensor_offset
, offset_calib
, sizeof(*offset_calib
));
82 if (!(cmd
.radio_sensor_offset
))
83 cmd
.radio_sensor_offset
= DEFAULT_RADIO_SENSOR_OFFSET
;
85 IWL_DEBUG_CALIB(priv
, "Radio sensor offset: %d\n",
86 le16_to_cpu(cmd
.radio_sensor_offset
));
87 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
90 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv
*priv
)
92 struct iwl_calib_temperature_offset_v2_cmd cmd
;
93 __le16
*offset_calib_high
= (__le16
*)iwl_eeprom_query_addr(priv
,
94 EEPROM_KELVIN_TEMPERATURE
);
95 __le16
*offset_calib_low
=
96 (__le16
*)iwl_eeprom_query_addr(priv
, EEPROM_RAW_TEMPERATURE
);
97 struct iwl_eeprom_calib_hdr
*hdr
;
99 memset(&cmd
, 0, sizeof(cmd
));
100 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD
);
101 hdr
= (struct iwl_eeprom_calib_hdr
*)iwl_eeprom_query_addr(priv
,
103 memcpy(&cmd
.radio_sensor_offset_high
, offset_calib_high
,
104 sizeof(*offset_calib_high
));
105 memcpy(&cmd
.radio_sensor_offset_low
, offset_calib_low
,
106 sizeof(*offset_calib_low
));
107 if (!(cmd
.radio_sensor_offset_low
)) {
108 IWL_DEBUG_CALIB(priv
, "no info in EEPROM, use default\n");
109 cmd
.radio_sensor_offset_low
= DEFAULT_RADIO_SENSOR_OFFSET
;
110 cmd
.radio_sensor_offset_high
= DEFAULT_RADIO_SENSOR_OFFSET
;
112 memcpy(&cmd
.burntVoltageRef
, &hdr
->voltage
,
113 sizeof(hdr
->voltage
));
115 IWL_DEBUG_CALIB(priv
, "Radio sensor offset high: %d\n",
116 le16_to_cpu(cmd
.radio_sensor_offset_high
));
117 IWL_DEBUG_CALIB(priv
, "Radio sensor offset low: %d\n",
118 le16_to_cpu(cmd
.radio_sensor_offset_low
));
119 IWL_DEBUG_CALIB(priv
, "Voltage Ref: %d\n",
120 le16_to_cpu(cmd
.burntVoltageRef
));
122 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
125 static int iwl_send_calib_cfg(struct iwl_priv
*priv
)
127 struct iwl_calib_cfg_cmd calib_cfg_cmd
;
128 struct iwl_host_cmd cmd
= {
129 .id
= CALIBRATION_CFG_CMD
,
130 .len
= { sizeof(struct iwl_calib_cfg_cmd
), },
131 .data
= { &calib_cfg_cmd
, },
134 memset(&calib_cfg_cmd
, 0, sizeof(calib_cfg_cmd
));
135 calib_cfg_cmd
.ucd_calib_cfg
.once
.is_enable
= IWL_CALIB_INIT_CFG_ALL
;
136 calib_cfg_cmd
.ucd_calib_cfg
.once
.start
= IWL_CALIB_INIT_CFG_ALL
;
137 calib_cfg_cmd
.ucd_calib_cfg
.once
.send_res
= IWL_CALIB_INIT_CFG_ALL
;
138 calib_cfg_cmd
.ucd_calib_cfg
.flags
=
139 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK
;
141 return iwl_dvm_send_cmd(priv
, &cmd
);
144 int iwl_init_alive_start(struct iwl_priv
*priv
)
148 if (cfg(priv
)->bt_params
&&
149 cfg(priv
)->bt_params
->advanced_bt_coexist
) {
151 * Tell uCode we are ready to perform calibration
152 * need to perform this before any calibration
153 * no need to close the envlope since we are going
154 * to load the runtime uCode later.
156 ret
= iwl_send_bt_env(priv
, IWL_BT_COEX_ENV_OPEN
,
157 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2
);
163 ret
= iwl_send_calib_cfg(priv
);
168 * temperature offset calibration is only needed for runtime ucode,
169 * so prepare the value now.
171 if (cfg(priv
)->need_temp_offset_calib
) {
172 if (cfg(priv
)->temp_offset_v2
)
173 return iwl_set_temperature_offset_calib_v2(priv
);
175 return iwl_set_temperature_offset_calib(priv
);
181 static int iwl_send_wimax_coex(struct iwl_priv
*priv
)
183 struct iwl_wimax_coex_cmd coex_cmd
;
185 /* coexistence is disabled */
186 memset(&coex_cmd
, 0, sizeof(coex_cmd
));
188 return iwl_dvm_send_cmd_pdu(priv
,
189 COEX_PRIORITY_TABLE_CMD
, CMD_SYNC
,
190 sizeof(coex_cmd
), &coex_cmd
);
193 static const u8 iwl_bt_prio_tbl
[BT_COEX_PRIO_TBL_EVT_MAX
] = {
194 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
195 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
196 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
197 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
198 ((BT_COEX_PRIO_TBL_PRIO_LOW
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
199 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
200 ((BT_COEX_PRIO_TBL_PRIO_LOW
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
201 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
202 ((BT_COEX_PRIO_TBL_PRIO_HIGH
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
203 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
204 ((BT_COEX_PRIO_TBL_PRIO_HIGH
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
205 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
206 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
207 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
208 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
209 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
210 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
211 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
215 void iwl_send_prio_tbl(struct iwl_priv
*priv
)
217 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd
;
219 memcpy(prio_tbl_cmd
.prio_tbl
, iwl_bt_prio_tbl
,
220 sizeof(iwl_bt_prio_tbl
));
221 if (iwl_dvm_send_cmd_pdu(priv
,
222 REPLY_BT_COEX_PRIO_TABLE
, CMD_SYNC
,
223 sizeof(prio_tbl_cmd
), &prio_tbl_cmd
))
224 IWL_ERR(priv
, "failed to send BT prio tbl command\n");
227 int iwl_send_bt_env(struct iwl_priv
*priv
, u8 action
, u8 type
)
229 struct iwl_bt_coex_prot_env_cmd env_cmd
;
232 env_cmd
.action
= action
;
234 ret
= iwl_dvm_send_cmd_pdu(priv
,
235 REPLY_BT_COEX_PROT_ENV
, CMD_SYNC
,
236 sizeof(env_cmd
), &env_cmd
);
238 IWL_ERR(priv
, "failed to send BT env command\n");
243 static int iwl_alive_notify(struct iwl_priv
*priv
)
247 iwl_trans_fw_alive(trans(priv
));
249 priv
->passive_no_rx
= false;
250 priv
->transport_queue_stop
= 0;
252 ret
= iwl_send_wimax_coex(priv
);
256 if (!cfg(priv
)->no_xtal_calib
) {
257 ret
= iwl_set_Xtal_calib(priv
);
262 return iwl_send_calib_results(priv
);
267 * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
268 * using sample data 100 bytes apart. If these sample points are good,
269 * it's a pretty good bet that everything between them is good, too.
271 static int iwl_verify_sec_sparse(struct iwl_priv
*priv
,
272 const struct fw_desc
*fw_desc
)
274 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
275 u32 len
= fw_desc
->len
;
279 IWL_DEBUG_FW(priv
, "ucode inst image size is %u\n", len
);
281 for (i
= 0; i
< len
; i
+= 100, image
+= 100/sizeof(u32
)) {
282 /* read data comes through single port, auto-incr addr */
283 /* NOTE: Use the debugless read so we don't flood kernel log
284 * if IWL_DL_IO is set */
285 iwl_write_direct32(trans(priv
), HBUS_TARG_MEM_RADDR
,
286 i
+ fw_desc
->offset
);
287 val
= iwl_read32(trans(priv
), HBUS_TARG_MEM_RDAT
);
288 if (val
!= le32_to_cpu(*image
))
295 static void iwl_print_mismatch_sec(struct iwl_priv
*priv
,
296 const struct fw_desc
*fw_desc
)
298 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
299 u32 len
= fw_desc
->len
;
304 IWL_DEBUG_FW(priv
, "ucode inst image size is %u\n", len
);
306 iwl_write_direct32(trans(priv
), HBUS_TARG_MEM_RADDR
,
310 offs
< len
&& errors
< 20;
311 offs
+= sizeof(u32
), image
++) {
312 /* read data comes through single port, auto-incr addr */
313 val
= iwl_read32(trans(priv
), HBUS_TARG_MEM_RDAT
);
314 if (val
!= le32_to_cpu(*image
)) {
315 IWL_ERR(priv
, "uCode INST section at "
316 "offset 0x%x, is 0x%x, s/b 0x%x\n",
317 offs
, val
, le32_to_cpu(*image
));
324 * iwl_verify_ucode - determine which instruction image is in SRAM,
325 * and verify its contents
327 static int iwl_verify_ucode(struct iwl_priv
*priv
,
328 enum iwl_ucode_type ucode_type
)
330 const struct fw_img
*img
= iwl_get_ucode_image(priv
, ucode_type
);
333 IWL_ERR(priv
, "Invalid ucode requested (%d)\n", ucode_type
);
337 if (!iwl_verify_sec_sparse(priv
, &img
->sec
[IWL_UCODE_SECTION_INST
])) {
338 IWL_DEBUG_FW(priv
, "uCode is good in inst SRAM\n");
342 IWL_ERR(priv
, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
344 iwl_print_mismatch_sec(priv
, &img
->sec
[IWL_UCODE_SECTION_INST
]);
348 struct iwl_alive_data
{
353 static bool iwl_alive_fn(struct iwl_notif_wait_data
*notif_wait
,
354 struct iwl_rx_packet
*pkt
, void *data
)
356 struct iwl_priv
*priv
=
357 container_of(notif_wait
, struct iwl_priv
, notif_wait
);
358 struct iwl_alive_data
*alive_data
= data
;
359 struct iwl_alive_resp
*palive
;
361 palive
= (void *)pkt
->data
;
363 IWL_DEBUG_FW(priv
, "Alive ucode status 0x%08X revision "
365 palive
->is_valid
, palive
->ver_type
,
366 palive
->ver_subtype
);
368 priv
->device_pointers
.error_event_table
=
369 le32_to_cpu(palive
->error_event_table_ptr
);
370 priv
->device_pointers
.log_event_table
=
371 le32_to_cpu(palive
->log_event_table_ptr
);
373 alive_data
->subtype
= palive
->ver_subtype
;
374 alive_data
->valid
= palive
->is_valid
== UCODE_VALID_OK
;
379 #define UCODE_ALIVE_TIMEOUT HZ
380 #define UCODE_CALIB_TIMEOUT (2*HZ)
382 int iwl_load_ucode_wait_alive(struct iwl_priv
*priv
,
383 enum iwl_ucode_type ucode_type
)
385 struct iwl_notification_wait alive_wait
;
386 struct iwl_alive_data alive_data
;
387 const struct fw_img
*fw
;
389 enum iwl_ucode_type old_type
;
390 static const u8 alive_cmd
[] = { REPLY_ALIVE
};
392 old_type
= priv
->cur_ucode
;
393 priv
->cur_ucode
= ucode_type
;
394 fw
= iwl_get_ucode_image(priv
, ucode_type
);
396 priv
->ucode_loaded
= false;
401 iwl_init_notification_wait(&priv
->notif_wait
, &alive_wait
,
402 alive_cmd
, ARRAY_SIZE(alive_cmd
),
403 iwl_alive_fn
, &alive_data
);
405 ret
= iwl_trans_start_fw(trans(priv
), fw
);
407 priv
->cur_ucode
= old_type
;
408 iwl_remove_notification(&priv
->notif_wait
, &alive_wait
);
413 * Some things may run in the background now, but we
414 * just wait for the ALIVE notification here.
416 ret
= iwl_wait_notification(&priv
->notif_wait
, &alive_wait
,
417 UCODE_ALIVE_TIMEOUT
);
419 priv
->cur_ucode
= old_type
;
423 if (!alive_data
.valid
) {
424 IWL_ERR(priv
, "Loaded ucode is not valid!\n");
425 priv
->cur_ucode
= old_type
;
430 * This step takes a long time (60-80ms!!) and
431 * WoWLAN image should be loaded quickly, so
432 * skip it for WoWLAN.
434 if (ucode_type
!= IWL_UCODE_WOWLAN
) {
435 ret
= iwl_verify_ucode(priv
, ucode_type
);
437 priv
->cur_ucode
= old_type
;
441 /* delay a bit to give rfkill time to run */
445 ret
= iwl_alive_notify(priv
);
448 "Could not complete ALIVE transition: %d\n", ret
);
449 priv
->cur_ucode
= old_type
;
453 priv
->ucode_loaded
= true;
458 static bool iwlagn_wait_calib(struct iwl_notif_wait_data
*notif_wait
,
459 struct iwl_rx_packet
*pkt
, void *data
)
461 struct iwl_priv
*priv
= data
;
462 struct iwl_calib_hdr
*hdr
;
465 if (pkt
->hdr
.cmd
!= CALIBRATION_RES_NOTIFICATION
) {
466 WARN_ON(pkt
->hdr
.cmd
!= CALIBRATION_COMPLETE_NOTIFICATION
);
470 hdr
= (struct iwl_calib_hdr
*)pkt
->data
;
471 len
= le32_to_cpu(pkt
->len_n_flags
) & FH_RSCSR_FRAME_SIZE_MSK
;
473 /* reduce the size by the length field itself */
474 len
-= sizeof(__le32
);
476 if (iwl_calib_set(priv
, hdr
, len
))
477 IWL_ERR(priv
, "Failed to record calibration data %d\n",
483 int iwl_run_init_ucode(struct iwl_priv
*priv
)
485 struct iwl_notification_wait calib_wait
;
486 static const u8 calib_complete
[] = {
487 CALIBRATION_RES_NOTIFICATION
,
488 CALIBRATION_COMPLETE_NOTIFICATION
492 lockdep_assert_held(&priv
->mutex
);
494 /* No init ucode required? Curious, but maybe ok */
495 if (!priv
->fw
->img
[IWL_UCODE_INIT
].sec
[0].len
)
498 if (priv
->init_ucode_run
)
501 iwl_init_notification_wait(&priv
->notif_wait
, &calib_wait
,
502 calib_complete
, ARRAY_SIZE(calib_complete
),
503 iwlagn_wait_calib
, priv
);
505 /* Will also start the device */
506 ret
= iwl_load_ucode_wait_alive(priv
, IWL_UCODE_INIT
);
510 ret
= iwl_init_alive_start(priv
);
515 * Some things may run in the background now, but we
516 * just wait for the calibration complete notification.
518 ret
= iwl_wait_notification(&priv
->notif_wait
, &calib_wait
,
519 UCODE_CALIB_TIMEOUT
);
521 priv
->init_ucode_run
= true;
526 iwl_remove_notification(&priv
->notif_wait
, &calib_wait
);
528 /* Whatever happened, stop the device */
529 iwl_trans_stop_device(trans(priv
));
530 priv
->ucode_loaded
= false;