1 /******************************************************************************
5 * Copyright(c) 2008 - 2011 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/module.h>
32 #include <linux/init.h>
33 #include <linux/sched.h>
34 #include <linux/dma-mapping.h>
39 #include "iwl-agn-hw.h"
41 #include "iwl-agn-calib.h"
42 #include "iwl-trans.h"
45 static struct iwl_wimax_coex_event_entry cu_priorities
[COEX_NUM_OF_EVENTS
] = {
46 {COEX_CU_UNASSOC_IDLE_RP
, COEX_CU_UNASSOC_IDLE_WP
,
47 0, COEX_UNASSOC_IDLE_FLAGS
},
48 {COEX_CU_UNASSOC_MANUAL_SCAN_RP
, COEX_CU_UNASSOC_MANUAL_SCAN_WP
,
49 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS
},
50 {COEX_CU_UNASSOC_AUTO_SCAN_RP
, COEX_CU_UNASSOC_AUTO_SCAN_WP
,
51 0, COEX_UNASSOC_AUTO_SCAN_FLAGS
},
52 {COEX_CU_CALIBRATION_RP
, COEX_CU_CALIBRATION_WP
,
53 0, COEX_CALIBRATION_FLAGS
},
54 {COEX_CU_PERIODIC_CALIBRATION_RP
, COEX_CU_PERIODIC_CALIBRATION_WP
,
55 0, COEX_PERIODIC_CALIBRATION_FLAGS
},
56 {COEX_CU_CONNECTION_ESTAB_RP
, COEX_CU_CONNECTION_ESTAB_WP
,
57 0, COEX_CONNECTION_ESTAB_FLAGS
},
58 {COEX_CU_ASSOCIATED_IDLE_RP
, COEX_CU_ASSOCIATED_IDLE_WP
,
59 0, COEX_ASSOCIATED_IDLE_FLAGS
},
60 {COEX_CU_ASSOC_MANUAL_SCAN_RP
, COEX_CU_ASSOC_MANUAL_SCAN_WP
,
61 0, COEX_ASSOC_MANUAL_SCAN_FLAGS
},
62 {COEX_CU_ASSOC_AUTO_SCAN_RP
, COEX_CU_ASSOC_AUTO_SCAN_WP
,
63 0, COEX_ASSOC_AUTO_SCAN_FLAGS
},
64 {COEX_CU_ASSOC_ACTIVE_LEVEL_RP
, COEX_CU_ASSOC_ACTIVE_LEVEL_WP
,
65 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS
},
66 {COEX_CU_RF_ON_RP
, COEX_CU_RF_ON_WP
, 0, COEX_CU_RF_ON_FLAGS
},
67 {COEX_CU_RF_OFF_RP
, COEX_CU_RF_OFF_WP
, 0, COEX_RF_OFF_FLAGS
},
68 {COEX_CU_STAND_ALONE_DEBUG_RP
, COEX_CU_STAND_ALONE_DEBUG_WP
,
69 0, COEX_STAND_ALONE_DEBUG_FLAGS
},
70 {COEX_CU_IPAN_ASSOC_LEVEL_RP
, COEX_CU_IPAN_ASSOC_LEVEL_WP
,
71 0, COEX_IPAN_ASSOC_LEVEL_FLAGS
},
72 {COEX_CU_RSRVD1_RP
, COEX_CU_RSRVD1_WP
, 0, COEX_RSRVD1_FLAGS
},
73 {COEX_CU_RSRVD2_RP
, COEX_CU_RSRVD2_WP
, 0, COEX_RSRVD2_FLAGS
}
76 /******************************************************************************
78 * uCode download functions
80 ******************************************************************************/
82 static void iwl_free_fw_desc(struct iwl_bus
*bus
, struct fw_desc
*desc
)
85 dma_free_coherent(bus
->dev
, desc
->len
,
86 desc
->v_addr
, desc
->p_addr
);
91 static void iwl_free_fw_img(struct iwl_bus
*bus
, struct fw_img
*img
)
93 iwl_free_fw_desc(bus
, &img
->code
);
94 iwl_free_fw_desc(bus
, &img
->data
);
97 void iwl_dealloc_ucode(struct iwl_trans
*trans
)
99 iwl_free_fw_img(bus(trans
), &trans
->ucode_rt
);
100 iwl_free_fw_img(bus(trans
), &trans
->ucode_init
);
101 iwl_free_fw_img(bus(trans
), &trans
->ucode_wowlan
);
104 int iwl_alloc_fw_desc(struct iwl_bus
*bus
, struct fw_desc
*desc
,
105 const void *data
, size_t len
)
112 desc
->v_addr
= dma_alloc_coherent(bus
->dev
, len
,
113 &desc
->p_addr
, GFP_KERNEL
);
118 memcpy(desc
->v_addr
, data
, len
);
125 static int iwl_load_section(struct iwl_trans
*trans
, const char *name
,
126 struct fw_desc
*image
, u32 dst_addr
)
128 struct iwl_bus
*bus
= bus(trans
);
129 dma_addr_t phy_addr
= image
->p_addr
;
130 u32 byte_cnt
= image
->len
;
133 trans
->ucode_write_complete
= 0;
135 iwl_write_direct32(bus
,
136 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL
),
137 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE
);
139 iwl_write_direct32(bus
,
140 FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL
), dst_addr
);
142 iwl_write_direct32(bus
,
143 FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL
),
144 phy_addr
& FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK
);
146 iwl_write_direct32(bus
,
147 FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL
),
148 (iwl_get_dma_hi_addr(phy_addr
)
149 << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT
) | byte_cnt
);
151 iwl_write_direct32(bus
,
152 FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL
),
153 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM
|
154 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX
|
155 FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID
);
157 iwl_write_direct32(bus
,
158 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL
),
159 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE
|
160 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE
|
161 FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD
);
163 IWL_DEBUG_FW(bus
, "%s uCode section being loaded...\n", name
);
164 ret
= wait_event_timeout(trans
->shrd
->wait_command_queue
,
165 trans
->ucode_write_complete
, 5 * HZ
);
167 IWL_ERR(trans
, "Could not load the %s uCode section\n",
175 static inline struct fw_img
*iwl_get_ucode_image(struct iwl_trans
*trans
,
176 enum iwl_ucode_type ucode_type
)
178 switch (ucode_type
) {
180 return &trans
->ucode_init
;
181 case IWL_UCODE_WOWLAN
:
182 return &trans
->ucode_wowlan
;
183 case IWL_UCODE_REGULAR
:
184 return &trans
->ucode_rt
;
191 static int iwl_load_given_ucode(struct iwl_trans
*trans
,
192 enum iwl_ucode_type ucode_type
)
195 struct fw_img
*image
= iwl_get_ucode_image(trans
, ucode_type
);
199 IWL_ERR(trans
, "Invalid ucode requested (%d)\n",
204 ret
= iwl_load_section(trans
, "INST", &image
->code
,
205 IWLAGN_RTC_INST_LOWER_BOUND
);
209 return iwl_load_section(trans
, "DATA", &image
->data
,
210 IWLAGN_RTC_DATA_LOWER_BOUND
);
216 static int iwl_set_Xtal_calib(struct iwl_priv
*priv
)
218 struct iwl_calib_xtal_freq_cmd cmd
;
220 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
, EEPROM_XTAL
);
222 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD
);
223 cmd
.cap_pin1
= le16_to_cpu(xtal_calib
[0]);
224 cmd
.cap_pin2
= le16_to_cpu(xtal_calib
[1]);
225 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
228 static int iwl_set_temperature_offset_calib(struct iwl_priv
*priv
)
230 struct iwl_calib_temperature_offset_cmd cmd
;
231 __le16
*offset_calib
=
232 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
,
233 EEPROM_RAW_TEMPERATURE
);
235 memset(&cmd
, 0, sizeof(cmd
));
236 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD
);
237 memcpy(&cmd
.radio_sensor_offset
, offset_calib
, sizeof(*offset_calib
));
238 if (!(cmd
.radio_sensor_offset
))
239 cmd
.radio_sensor_offset
= DEFAULT_RADIO_SENSOR_OFFSET
;
241 IWL_DEBUG_CALIB(priv
, "Radio sensor offset: %d\n",
242 le16_to_cpu(cmd
.radio_sensor_offset
));
243 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
246 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv
*priv
)
248 struct iwl_calib_temperature_offset_v2_cmd cmd
;
249 __le16
*offset_calib_high
= (__le16
*)iwl_eeprom_query_addr(priv
->shrd
,
250 EEPROM_KELVIN_TEMPERATURE
);
251 __le16
*offset_calib_low
=
252 (__le16
*)iwl_eeprom_query_addr(priv
->shrd
,
253 EEPROM_RAW_TEMPERATURE
);
254 struct iwl_eeprom_calib_hdr
*hdr
;
256 memset(&cmd
, 0, sizeof(cmd
));
257 iwl_set_calib_hdr(&cmd
.hdr
, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD
);
258 hdr
= (struct iwl_eeprom_calib_hdr
*)iwl_eeprom_query_addr(priv
->shrd
,
260 memcpy(&cmd
.radio_sensor_offset_high
, offset_calib_high
,
261 sizeof(*offset_calib_high
));
262 memcpy(&cmd
.radio_sensor_offset_low
, offset_calib_low
,
263 sizeof(*offset_calib_low
));
264 if (!(cmd
.radio_sensor_offset_low
)) {
265 IWL_DEBUG_CALIB(priv
, "no info in EEPROM, use default\n");
266 cmd
.radio_sensor_offset_low
= DEFAULT_RADIO_SENSOR_OFFSET
;
267 cmd
.radio_sensor_offset_high
= DEFAULT_RADIO_SENSOR_OFFSET
;
269 memcpy(&cmd
.burntVoltageRef
, &hdr
->voltage
,
270 sizeof(hdr
->voltage
));
272 IWL_DEBUG_CALIB(priv
, "Radio sensor offset high: %d\n",
273 le16_to_cpu(cmd
.radio_sensor_offset_high
));
274 IWL_DEBUG_CALIB(priv
, "Radio sensor offset low: %d\n",
275 le16_to_cpu(cmd
.radio_sensor_offset_low
));
276 IWL_DEBUG_CALIB(priv
, "Voltage Ref: %d\n",
277 le16_to_cpu(cmd
.burntVoltageRef
));
279 return iwl_calib_set(priv
, (void *)&cmd
, sizeof(cmd
));
282 static int iwl_send_calib_cfg(struct iwl_trans
*trans
)
284 struct iwl_calib_cfg_cmd calib_cfg_cmd
;
285 struct iwl_host_cmd cmd
= {
286 .id
= CALIBRATION_CFG_CMD
,
287 .len
= { sizeof(struct iwl_calib_cfg_cmd
), },
288 .data
= { &calib_cfg_cmd
, },
291 memset(&calib_cfg_cmd
, 0, sizeof(calib_cfg_cmd
));
292 calib_cfg_cmd
.ucd_calib_cfg
.once
.is_enable
= IWL_CALIB_INIT_CFG_ALL
;
293 calib_cfg_cmd
.ucd_calib_cfg
.once
.start
= IWL_CALIB_INIT_CFG_ALL
;
294 calib_cfg_cmd
.ucd_calib_cfg
.once
.send_res
= IWL_CALIB_INIT_CFG_ALL
;
295 calib_cfg_cmd
.ucd_calib_cfg
.flags
=
296 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK
;
298 return iwl_trans_send_cmd(trans
, &cmd
);
301 int iwlagn_rx_calib_result(struct iwl_priv
*priv
,
302 struct iwl_rx_mem_buffer
*rxb
,
303 struct iwl_device_cmd
*cmd
)
305 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
306 struct iwl_calib_hdr
*hdr
= (struct iwl_calib_hdr
*)pkt
->u
.raw
;
307 int len
= le32_to_cpu(pkt
->len_n_flags
) & FH_RSCSR_FRAME_SIZE_MSK
;
309 /* reduce the size of the length field itself */
312 if (iwl_calib_set(priv
, hdr
, len
))
313 IWL_ERR(priv
, "Failed to record calibration data %d\n",
319 int iwlagn_init_alive_start(struct iwl_priv
*priv
)
323 if (priv
->cfg
->bt_params
&&
324 priv
->cfg
->bt_params
->advanced_bt_coexist
) {
326 * Tell uCode we are ready to perform calibration
327 * need to perform this before any calibration
328 * no need to close the envlope since we are going
329 * to load the runtime uCode later.
331 ret
= iwl_send_bt_env(trans(priv
), IWL_BT_COEX_ENV_OPEN
,
332 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2
);
338 ret
= iwl_send_calib_cfg(trans(priv
));
343 * temperature offset calibration is only needed for runtime ucode,
344 * so prepare the value now.
346 if (priv
->cfg
->need_temp_offset_calib
) {
347 if (priv
->cfg
->temp_offset_v2
)
348 return iwl_set_temperature_offset_calib_v2(priv
);
350 return iwl_set_temperature_offset_calib(priv
);
356 static int iwl_send_wimax_coex(struct iwl_priv
*priv
)
358 struct iwl_wimax_coex_cmd coex_cmd
;
360 if (priv
->cfg
->base_params
->support_wimax_coexist
) {
361 /* UnMask wake up src at associated sleep */
362 coex_cmd
.flags
= COEX_FLAGS_ASSOC_WA_UNMASK_MSK
;
364 /* UnMask wake up src at unassociated sleep */
365 coex_cmd
.flags
|= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK
;
366 memcpy(coex_cmd
.sta_prio
, cu_priorities
,
367 sizeof(struct iwl_wimax_coex_event_entry
) *
370 /* enabling the coexistence feature */
371 coex_cmd
.flags
|= COEX_FLAGS_COEX_ENABLE_MSK
;
373 /* enabling the priorities tables */
374 coex_cmd
.flags
|= COEX_FLAGS_STA_TABLE_VALID_MSK
;
376 /* coexistence is disabled */
377 memset(&coex_cmd
, 0, sizeof(coex_cmd
));
379 return iwl_trans_send_cmd_pdu(trans(priv
),
380 COEX_PRIORITY_TABLE_CMD
, CMD_SYNC
,
381 sizeof(coex_cmd
), &coex_cmd
);
384 static const u8 iwl_bt_prio_tbl
[BT_COEX_PRIO_TBL_EVT_MAX
] = {
385 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
386 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
387 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
388 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
389 ((BT_COEX_PRIO_TBL_PRIO_LOW
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
390 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
391 ((BT_COEX_PRIO_TBL_PRIO_LOW
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
392 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
393 ((BT_COEX_PRIO_TBL_PRIO_HIGH
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
394 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
395 ((BT_COEX_PRIO_TBL_PRIO_HIGH
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
396 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
397 ((BT_COEX_PRIO_TBL_PRIO_BYPASS
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
398 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
399 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
400 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
401 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON
<< IWL_BT_COEX_PRIO_TBL_PRIO_POS
) |
402 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS
)),
406 void iwl_send_prio_tbl(struct iwl_trans
*trans
)
408 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd
;
410 memcpy(prio_tbl_cmd
.prio_tbl
, iwl_bt_prio_tbl
,
411 sizeof(iwl_bt_prio_tbl
));
412 if (iwl_trans_send_cmd_pdu(trans
,
413 REPLY_BT_COEX_PRIO_TABLE
, CMD_SYNC
,
414 sizeof(prio_tbl_cmd
), &prio_tbl_cmd
))
415 IWL_ERR(trans
, "failed to send BT prio tbl command\n");
418 int iwl_send_bt_env(struct iwl_trans
*trans
, u8 action
, u8 type
)
420 struct iwl_bt_coex_prot_env_cmd env_cmd
;
423 env_cmd
.action
= action
;
425 ret
= iwl_trans_send_cmd_pdu(trans
,
426 REPLY_BT_COEX_PROT_ENV
, CMD_SYNC
,
427 sizeof(env_cmd
), &env_cmd
);
429 IWL_ERR(trans
, "failed to send BT env command\n");
434 static int iwl_alive_notify(struct iwl_priv
*priv
)
436 struct iwl_rxon_context
*ctx
;
439 if (!priv
->tx_cmd_pool
)
441 kmem_cache_create("iwl_dev_cmd",
442 sizeof(struct iwl_device_cmd
),
443 sizeof(void *), 0, NULL
);
445 if (!priv
->tx_cmd_pool
)
448 iwl_trans_tx_start(trans(priv
));
449 for_each_context(priv
, ctx
)
450 ctx
->last_tx_rejected
= false;
452 ret
= iwl_send_wimax_coex(priv
);
456 if (!priv
->cfg
->no_xtal_calib
) {
457 ret
= iwl_set_Xtal_calib(priv
);
462 return iwl_send_calib_results(priv
);
467 * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
468 * using sample data 100 bytes apart. If these sample points are good,
469 * it's a pretty good bet that everything between them is good, too.
471 static int iwl_verify_inst_sparse(struct iwl_bus
*bus
,
472 struct fw_desc
*fw_desc
)
474 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
475 u32 len
= fw_desc
->len
;
479 IWL_DEBUG_FW(bus
, "ucode inst image size is %u\n", len
);
481 for (i
= 0; i
< len
; i
+= 100, image
+= 100/sizeof(u32
)) {
482 /* read data comes through single port, auto-incr addr */
483 /* NOTE: Use the debugless read so we don't flood kernel log
484 * if IWL_DL_IO is set */
485 iwl_write_direct32(bus
, HBUS_TARG_MEM_RADDR
,
486 i
+ IWLAGN_RTC_INST_LOWER_BOUND
);
487 val
= iwl_read32(bus
, HBUS_TARG_MEM_RDAT
);
488 if (val
!= le32_to_cpu(*image
))
495 static void iwl_print_mismatch_inst(struct iwl_bus
*bus
,
496 struct fw_desc
*fw_desc
)
498 __le32
*image
= (__le32
*)fw_desc
->v_addr
;
499 u32 len
= fw_desc
->len
;
504 IWL_DEBUG_FW(bus
, "ucode inst image size is %u\n", len
);
506 iwl_write_direct32(bus
, HBUS_TARG_MEM_RADDR
,
507 IWLAGN_RTC_INST_LOWER_BOUND
);
510 offs
< len
&& errors
< 20;
511 offs
+= sizeof(u32
), image
++) {
512 /* read data comes through single port, auto-incr addr */
513 val
= iwl_read32(bus
, HBUS_TARG_MEM_RDAT
);
514 if (val
!= le32_to_cpu(*image
)) {
515 IWL_ERR(bus
, "uCode INST section at "
516 "offset 0x%x, is 0x%x, s/b 0x%x\n",
517 offs
, val
, le32_to_cpu(*image
));
524 * iwl_verify_ucode - determine which instruction image is in SRAM,
525 * and verify its contents
527 static int iwl_verify_ucode(struct iwl_trans
*trans
,
528 enum iwl_ucode_type ucode_type
)
530 struct fw_img
*img
= iwl_get_ucode_image(trans
, ucode_type
);
533 IWL_ERR(trans
, "Invalid ucode requested (%d)\n", ucode_type
);
537 if (!iwl_verify_inst_sparse(bus(trans
), &img
->code
)) {
538 IWL_DEBUG_FW(trans
, "uCode is good in inst SRAM\n");
542 IWL_ERR(trans
, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
544 iwl_print_mismatch_inst(bus(trans
), &img
->code
);
548 struct iwlagn_alive_data
{
553 static void iwl_alive_fn(struct iwl_priv
*priv
,
554 struct iwl_rx_packet
*pkt
,
557 struct iwlagn_alive_data
*alive_data
= data
;
558 struct iwl_alive_resp
*palive
;
560 palive
= &pkt
->u
.alive_frame
;
562 IWL_DEBUG_FW(priv
, "Alive ucode status 0x%08X revision "
564 palive
->is_valid
, palive
->ver_type
,
565 palive
->ver_subtype
);
567 priv
->device_pointers
.error_event_table
=
568 le32_to_cpu(palive
->error_event_table_ptr
);
569 priv
->device_pointers
.log_event_table
=
570 le32_to_cpu(palive
->log_event_table_ptr
);
572 alive_data
->subtype
= palive
->ver_subtype
;
573 alive_data
->valid
= palive
->is_valid
== UCODE_VALID_OK
;
576 /* notification wait support */
577 void iwl_init_notification_wait(struct iwl_shared
*shrd
,
578 struct iwl_notification_wait
*wait_entry
,
580 void (*fn
)(struct iwl_priv
*priv
,
581 struct iwl_rx_packet
*pkt
,
586 wait_entry
->fn_data
= fn_data
;
587 wait_entry
->cmd
= cmd
;
588 wait_entry
->triggered
= false;
589 wait_entry
->aborted
= false;
591 spin_lock_bh(&shrd
->notif_wait_lock
);
592 list_add(&wait_entry
->list
, &shrd
->notif_waits
);
593 spin_unlock_bh(&shrd
->notif_wait_lock
);
596 int iwl_wait_notification(struct iwl_shared
*shrd
,
597 struct iwl_notification_wait
*wait_entry
,
598 unsigned long timeout
)
602 ret
= wait_event_timeout(shrd
->notif_waitq
,
603 wait_entry
->triggered
|| wait_entry
->aborted
,
606 spin_lock_bh(&shrd
->notif_wait_lock
);
607 list_del(&wait_entry
->list
);
608 spin_unlock_bh(&shrd
->notif_wait_lock
);
610 if (wait_entry
->aborted
)
613 /* return value is always >= 0 */
619 void iwl_remove_notification(struct iwl_shared
*shrd
,
620 struct iwl_notification_wait
*wait_entry
)
622 spin_lock_bh(&shrd
->notif_wait_lock
);
623 list_del(&wait_entry
->list
);
624 spin_unlock_bh(&shrd
->notif_wait_lock
);
627 void iwl_abort_notification_waits(struct iwl_shared
*shrd
)
630 struct iwl_notification_wait
*wait_entry
;
632 spin_lock_irqsave(&shrd
->notif_wait_lock
, flags
);
633 list_for_each_entry(wait_entry
, &shrd
->notif_waits
, list
)
634 wait_entry
->aborted
= true;
635 spin_unlock_irqrestore(&shrd
->notif_wait_lock
, flags
);
637 wake_up_all(&shrd
->notif_waitq
);
640 #define UCODE_ALIVE_TIMEOUT HZ
641 #define UCODE_CALIB_TIMEOUT (2*HZ)
643 int iwlagn_load_ucode_wait_alive(struct iwl_priv
*priv
,
644 enum iwl_ucode_type ucode_type
)
646 struct iwl_notification_wait alive_wait
;
647 struct iwlagn_alive_data alive_data
;
648 struct iwl_trans
*trans
= trans(priv
);
650 enum iwl_ucode_type old_type
;
652 ret
= iwl_trans_start_device(trans
);
656 iwl_init_notification_wait(trans
->shrd
, &alive_wait
, REPLY_ALIVE
,
657 iwl_alive_fn
, &alive_data
);
659 old_type
= trans
->shrd
->ucode_type
;
660 trans
->shrd
->ucode_type
= ucode_type
;
662 ret
= iwl_load_given_ucode(trans
, ucode_type
);
664 trans
->shrd
->ucode_type
= old_type
;
665 iwl_remove_notification(trans
->shrd
, &alive_wait
);
669 iwl_trans_kick_nic(trans
);
672 * Some things may run in the background now, but we
673 * just wait for the ALIVE notification here.
675 ret
= iwl_wait_notification(trans
->shrd
, &alive_wait
,
676 UCODE_ALIVE_TIMEOUT
);
678 trans
->shrd
->ucode_type
= old_type
;
682 if (!alive_data
.valid
) {
683 IWL_ERR(priv
, "Loaded ucode is not valid!\n");
684 trans
->shrd
->ucode_type
= old_type
;
689 * This step takes a long time (60-80ms!!) and
690 * WoWLAN image should be loaded quickly, so
691 * skip it for WoWLAN.
693 if (ucode_type
!= IWL_UCODE_WOWLAN
) {
694 ret
= iwl_verify_ucode(trans
, ucode_type
);
696 trans
->shrd
->ucode_type
= old_type
;
700 /* delay a bit to give rfkill time to run */
704 ret
= iwl_alive_notify(priv
);
707 "Could not complete ALIVE transition: %d\n", ret
);
708 trans
->shrd
->ucode_type
= old_type
;
715 int iwlagn_run_init_ucode(struct iwl_priv
*priv
)
717 struct iwl_notification_wait calib_wait
;
720 lockdep_assert_held(&priv
->shrd
->mutex
);
722 /* No init ucode required? Curious, but maybe ok */
723 if (!trans(priv
)->ucode_init
.code
.len
)
726 if (priv
->shrd
->ucode_type
!= IWL_UCODE_NONE
)
729 iwl_init_notification_wait(priv
->shrd
, &calib_wait
,
730 CALIBRATION_COMPLETE_NOTIFICATION
,
733 /* Will also start the device */
734 ret
= iwlagn_load_ucode_wait_alive(priv
, IWL_UCODE_INIT
);
738 ret
= iwlagn_init_alive_start(priv
);
743 * Some things may run in the background now, but we
744 * just wait for the calibration complete notification.
746 ret
= iwl_wait_notification(priv
->shrd
, &calib_wait
,
747 UCODE_CALIB_TIMEOUT
);
752 iwl_remove_notification(priv
->shrd
, &calib_wait
);
754 /* Whatever happened, stop the device */
755 iwl_trans_stop_device(trans(priv
));