1 /******************************************************************************
3 * Copyright(c) 2007-2008 Intel Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *****************************************************************************/
26 #include <linux/kernel.h>
27 #include <linux/module.h>
28 #include <linux/init.h>
29 #include <linux/pci.h>
30 #include <linux/dma-mapping.h>
31 #include <linux/delay.h>
32 #include <linux/skbuff.h>
33 #include <linux/netdevice.h>
34 #include <linux/wireless.h>
35 #include <net/mac80211.h>
36 #include <linux/etherdevice.h>
37 #include <asm/unaligned.h>
39 #include "iwl-eeprom.h"
44 #include "iwl-helpers.h"
45 #include "iwl-5000-hw.h"
47 #define IWL5000_UCODE_API "-1"
49 #define IWL5000_MODULE_FIRMWARE "iwlwifi-5000" IWL5000_UCODE_API ".ucode"
51 static const u16 iwl5000_default_queue_to_tx_fifo
[] = {
61 /* FIXME: same implementation as 4965 */
62 static int iwl5000_apm_stop_master(struct iwl_priv
*priv
)
67 spin_lock_irqsave(&priv
->lock
, flags
);
69 /* set stop master bit */
70 iwl_set_bit(priv
, CSR_RESET
, CSR_RESET_REG_FLAG_STOP_MASTER
);
72 ret
= iwl_poll_bit(priv
, CSR_RESET
,
73 CSR_RESET_REG_FLAG_MASTER_DISABLED
,
74 CSR_RESET_REG_FLAG_MASTER_DISABLED
, 100);
79 spin_unlock_irqrestore(&priv
->lock
, flags
);
80 IWL_DEBUG_INFO("stop master\n");
86 static int iwl5000_apm_init(struct iwl_priv
*priv
)
90 iwl_set_bit(priv
, CSR_GIO_CHICKEN_BITS
,
91 CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER
);
93 /* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
94 iwl_set_bit(priv
, CSR_GIO_CHICKEN_BITS
,
95 CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX
);
97 /* Set FH wait threshold to maximum (HW error during stress W/A) */
98 iwl_set_bit(priv
, CSR_DBG_HPET_MEM_REG
, CSR_DBG_HPET_MEM_REG_VAL
);
100 /* enable HAP INTA to move device L1a -> L0s */
101 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
102 CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A
);
104 iwl_set_bit(priv
, CSR_ANA_PLL_CFG
, CSR50_ANA_PLL_CFG_VAL
);
106 /* set "initialization complete" bit to move adapter
107 * D0U* --> D0A* state */
108 iwl_set_bit(priv
, CSR_GP_CNTRL
, CSR_GP_CNTRL_REG_FLAG_INIT_DONE
);
110 /* wait for clock stabilization */
111 ret
= iwl_poll_bit(priv
, CSR_GP_CNTRL
,
112 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY
,
113 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY
, 25000);
115 IWL_DEBUG_INFO("Failed to init the card\n");
119 ret
= iwl_grab_nic_access(priv
);
124 iwl_write_prph(priv
, APMG_CLK_EN_REG
, APMG_CLK_VAL_DMA_CLK_RQT
);
128 /* disable L1-Active */
129 iwl_set_bits_prph(priv
, APMG_PCIDEV_STT_REG
,
130 APMG_PCIDEV_STT_VAL_L1_ACT_DIS
);
132 iwl_release_nic_access(priv
);
137 /* FIXME: this is identical to 4965 */
138 static void iwl5000_apm_stop(struct iwl_priv
*priv
)
142 iwl5000_apm_stop_master(priv
);
144 spin_lock_irqsave(&priv
->lock
, flags
);
146 iwl_set_bit(priv
, CSR_RESET
, CSR_RESET_REG_FLAG_SW_RESET
);
150 /* clear "init complete" move adapter D0A* --> D0U state */
151 iwl_clear_bit(priv
, CSR_GP_CNTRL
, CSR_GP_CNTRL_REG_FLAG_INIT_DONE
);
153 spin_unlock_irqrestore(&priv
->lock
, flags
);
157 static int iwl5000_apm_reset(struct iwl_priv
*priv
)
162 iwl5000_apm_stop_master(priv
);
164 spin_lock_irqsave(&priv
->lock
, flags
);
166 iwl_set_bit(priv
, CSR_RESET
, CSR_RESET_REG_FLAG_SW_RESET
);
171 /* FIXME: put here L1A -L0S w/a */
173 iwl_set_bit(priv
, CSR_ANA_PLL_CFG
, CSR50_ANA_PLL_CFG_VAL
);
175 /* set "initialization complete" bit to move adapter
176 * D0U* --> D0A* state */
177 iwl_set_bit(priv
, CSR_GP_CNTRL
, CSR_GP_CNTRL_REG_FLAG_INIT_DONE
);
179 /* wait for clock stabilization */
180 ret
= iwl_poll_bit(priv
, CSR_GP_CNTRL
,
181 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY
,
182 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY
, 25000);
184 IWL_DEBUG_INFO("Failed to init the card\n");
188 ret
= iwl_grab_nic_access(priv
);
193 iwl_write_prph(priv
, APMG_CLK_EN_REG
, APMG_CLK_VAL_DMA_CLK_RQT
);
197 /* disable L1-Active */
198 iwl_set_bits_prph(priv
, APMG_PCIDEV_STT_REG
,
199 APMG_PCIDEV_STT_VAL_L1_ACT_DIS
);
201 iwl_release_nic_access(priv
);
204 spin_unlock_irqrestore(&priv
->lock
, flags
);
210 static void iwl5000_nic_config(struct iwl_priv
*priv
)
216 spin_lock_irqsave(&priv
->lock
, flags
);
218 pci_read_config_word(priv
->pci_dev
, PCI_CFG_LINK_CTRL
, &link
);
220 /* L1 is enabled by BIOS */
221 if ((link
& PCI_CFG_LINK_CTRL_VAL_L1_EN
) == PCI_CFG_LINK_CTRL_VAL_L1_EN
)
222 /* disable L0S disabled L1A enabled */
223 iwl_set_bit(priv
, CSR_GIO_REG
, CSR_GIO_REG_VAL_L0S_ENABLED
);
225 /* L0S enabled L1A disabled */
226 iwl_clear_bit(priv
, CSR_GIO_REG
, CSR_GIO_REG_VAL_L0S_ENABLED
);
228 radio_cfg
= iwl_eeprom_query16(priv
, EEPROM_RADIO_CONFIG
);
230 /* write radio config values to register */
231 if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) < EEPROM_5000_RF_CFG_TYPE_MAX
)
232 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
233 EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) |
234 EEPROM_RF_CFG_STEP_MSK(radio_cfg
) |
235 EEPROM_RF_CFG_DASH_MSK(radio_cfg
));
237 /* set CSR_HW_CONFIG_REG for uCode use */
238 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
239 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
240 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
);
242 /* W/A : NIC is stuck in a reset state after Early PCIe power off
243 * (PCIe power is lost before PERST# is asserted),
244 * causing ME FW to lose ownership and not being able to obtain it back.
246 iwl_grab_nic_access(priv
);
247 iwl_set_bits_mask_prph(priv
, APMG_PS_CTRL_REG
,
248 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
,
249 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
);
250 iwl_release_nic_access(priv
);
252 spin_unlock_irqrestore(&priv
->lock
, flags
);
260 static u32
eeprom_indirect_address(const struct iwl_priv
*priv
, u32 address
)
264 if ((address
& INDIRECT_ADDRESS
) == 0)
267 switch (address
& INDIRECT_TYPE_MSK
) {
269 offset
= iwl_eeprom_query16(priv
, EEPROM_5000_LINK_HOST
);
271 case INDIRECT_GENERAL
:
272 offset
= iwl_eeprom_query16(priv
, EEPROM_5000_LINK_GENERAL
);
274 case INDIRECT_REGULATORY
:
275 offset
= iwl_eeprom_query16(priv
, EEPROM_5000_LINK_REGULATORY
);
277 case INDIRECT_CALIBRATION
:
278 offset
= iwl_eeprom_query16(priv
, EEPROM_5000_LINK_CALIBRATION
);
280 case INDIRECT_PROCESS_ADJST
:
281 offset
= iwl_eeprom_query16(priv
, EEPROM_5000_LINK_PROCESS_ADJST
);
283 case INDIRECT_OTHERS
:
284 offset
= iwl_eeprom_query16(priv
, EEPROM_5000_LINK_OTHERS
);
287 IWL_ERROR("illegal indirect type: 0x%X\n",
288 address
& INDIRECT_TYPE_MSK
);
292 /* translate the offset from words to byte */
293 return (address
& ADDRESS_MSK
) + (offset
<< 1);
296 static u16
iwl5000_eeprom_calib_version(struct iwl_priv
*priv
)
298 struct iwl_eeprom_calib_hdr
{
304 hdr
= (struct iwl_eeprom_calib_hdr
*)iwl_eeprom_query_addr(priv
,
305 EEPROM_5000_CALIB_ALL
);
310 static void iwl5000_gain_computation(struct iwl_priv
*priv
,
311 u32 average_noise
[NUM_RX_CHAINS
],
312 u16 min_average_noise_antenna_i
,
313 u32 min_average_noise
)
317 struct iwl_chain_noise_data
*data
= &priv
->chain_noise_data
;
319 /* Find Gain Code for the antennas B and C */
320 for (i
= 1; i
< NUM_RX_CHAINS
; i
++) {
321 if ((data
->disconn_array
[i
])) {
322 data
->delta_gain_code
[i
] = 0;
325 delta_g
= (1000 * ((s32
)average_noise
[0] -
326 (s32
)average_noise
[i
])) / 1500;
327 /* bound gain by 2 bits value max, 3rd bit is sign */
328 data
->delta_gain_code
[i
] =
329 min(abs(delta_g
), CHAIN_NOISE_MAX_DELTA_GAIN_CODE
);
332 /* set negative sign */
333 data
->delta_gain_code
[i
] |= (1 << 2);
336 IWL_DEBUG_CALIB("Delta gains: ANT_B = %d ANT_C = %d\n",
337 data
->delta_gain_code
[1], data
->delta_gain_code
[2]);
339 if (!data
->radio_write
) {
340 struct iwl_calib_chain_noise_gain_cmd cmd
;
341 memset(&cmd
, 0, sizeof(cmd
));
343 cmd
.op_code
= IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD
;
344 cmd
.delta_gain_1
= data
->delta_gain_code
[1];
345 cmd
.delta_gain_2
= data
->delta_gain_code
[2];
346 iwl_send_cmd_pdu_async(priv
, REPLY_PHY_CALIBRATION_CMD
,
347 sizeof(cmd
), &cmd
, NULL
);
349 data
->radio_write
= 1;
350 data
->state
= IWL_CHAIN_NOISE_CALIBRATED
;
353 data
->chain_noise_a
= 0;
354 data
->chain_noise_b
= 0;
355 data
->chain_noise_c
= 0;
356 data
->chain_signal_a
= 0;
357 data
->chain_signal_b
= 0;
358 data
->chain_signal_c
= 0;
359 data
->beacon_count
= 0;
362 static void iwl5000_chain_noise_reset(struct iwl_priv
*priv
)
364 struct iwl_chain_noise_data
*data
= &priv
->chain_noise_data
;
366 if ((data
->state
== IWL_CHAIN_NOISE_ALIVE
) && iwl_is_associated(priv
)) {
367 struct iwl_calib_chain_noise_reset_cmd cmd
;
369 memset(&cmd
, 0, sizeof(cmd
));
370 cmd
.op_code
= IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD
;
371 if (iwl_send_cmd_pdu(priv
, REPLY_PHY_CALIBRATION_CMD
,
373 IWL_ERROR("Could not send REPLY_PHY_CALIBRATION_CMD\n");
374 data
->state
= IWL_CHAIN_NOISE_ACCUMULATE
;
375 IWL_DEBUG_CALIB("Run chain_noise_calibrate\n");
379 static void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info
*info
,
382 if ((info
->control
.rates
[0].flags
& IEEE80211_TX_RC_USE_RTS_CTS
) ||
383 (info
->control
.rates
[0].flags
& IEEE80211_TX_RC_USE_CTS_PROTECT
))
384 *tx_flags
|= TX_CMD_FLG_RTS_CTS_MSK
;
386 *tx_flags
&= ~TX_CMD_FLG_RTS_CTS_MSK
;
389 static struct iwl_sensitivity_ranges iwl5000_sensitivity
= {
392 .auto_corr_min_ofdm
= 90,
393 .auto_corr_min_ofdm_mrc
= 170,
394 .auto_corr_min_ofdm_x1
= 120,
395 .auto_corr_min_ofdm_mrc_x1
= 240,
397 .auto_corr_max_ofdm
= 120,
398 .auto_corr_max_ofdm_mrc
= 210,
399 .auto_corr_max_ofdm_x1
= 155,
400 .auto_corr_max_ofdm_mrc_x1
= 290,
402 .auto_corr_min_cck
= 125,
403 .auto_corr_max_cck
= 200,
404 .auto_corr_min_cck_mrc
= 170,
405 .auto_corr_max_cck_mrc
= 400,
410 static const u8
*iwl5000_eeprom_query_addr(const struct iwl_priv
*priv
,
413 u32 address
= eeprom_indirect_address(priv
, offset
);
414 BUG_ON(address
>= priv
->cfg
->eeprom_size
);
415 return &priv
->eeprom
[address
];
421 static int iwl5000_set_Xtal_calib(struct iwl_priv
*priv
)
423 u8 data
[sizeof(struct iwl_calib_hdr
) +
424 sizeof(struct iwl_cal_xtal_freq
)];
425 struct iwl_calib_cmd
*cmd
= (struct iwl_calib_cmd
*)data
;
426 struct iwl_cal_xtal_freq
*xtal
= (struct iwl_cal_xtal_freq
*)cmd
->data
;
427 u16
*xtal_calib
= (u16
*)iwl_eeprom_query_addr(priv
, EEPROM_5000_XTAL
);
429 cmd
->hdr
.op_code
= IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD
;
430 xtal
->cap_pin1
= (u8
)xtal_calib
[0];
431 xtal
->cap_pin2
= (u8
)xtal_calib
[1];
432 return iwl_calib_set(&priv
->calib_results
[IWL_CALIB_XTAL
],
436 static int iwl5000_send_calib_cfg(struct iwl_priv
*priv
)
438 struct iwl_calib_cfg_cmd calib_cfg_cmd
;
439 struct iwl_host_cmd cmd
= {
440 .id
= CALIBRATION_CFG_CMD
,
441 .len
= sizeof(struct iwl_calib_cfg_cmd
),
442 .data
= &calib_cfg_cmd
,
445 memset(&calib_cfg_cmd
, 0, sizeof(calib_cfg_cmd
));
446 calib_cfg_cmd
.ucd_calib_cfg
.once
.is_enable
= IWL_CALIB_INIT_CFG_ALL
;
447 calib_cfg_cmd
.ucd_calib_cfg
.once
.start
= IWL_CALIB_INIT_CFG_ALL
;
448 calib_cfg_cmd
.ucd_calib_cfg
.once
.send_res
= IWL_CALIB_INIT_CFG_ALL
;
449 calib_cfg_cmd
.ucd_calib_cfg
.flags
= IWL_CALIB_INIT_CFG_ALL
;
451 return iwl_send_cmd(priv
, &cmd
);
454 static void iwl5000_rx_calib_result(struct iwl_priv
*priv
,
455 struct iwl_rx_mem_buffer
*rxb
)
457 struct iwl_rx_packet
*pkt
= (void *)rxb
->skb
->data
;
458 struct iwl_calib_hdr
*hdr
= (struct iwl_calib_hdr
*)pkt
->u
.raw
;
459 int len
= le32_to_cpu(pkt
->len
) & FH_RSCSR_FRAME_SIZE_MSK
;
462 /* reduce the size of the length field itself */
465 /* Define the order in which the results will be sent to the runtime
466 * uCode. iwl_send_calib_results sends them in a row according to their
467 * index. We sort them here */
468 switch (hdr
->op_code
) {
469 case IWL_PHY_CALIBRATE_LO_CMD
:
470 index
= IWL_CALIB_LO
;
472 case IWL_PHY_CALIBRATE_TX_IQ_CMD
:
473 index
= IWL_CALIB_TX_IQ
;
475 case IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD
:
476 index
= IWL_CALIB_TX_IQ_PERD
;
479 IWL_ERROR("Unknown calibration notification %d\n",
483 iwl_calib_set(&priv
->calib_results
[index
], pkt
->u
.raw
, len
);
486 static void iwl5000_rx_calib_complete(struct iwl_priv
*priv
,
487 struct iwl_rx_mem_buffer
*rxb
)
489 IWL_DEBUG_INFO("Init. calibration is completed, restarting fw.\n");
490 queue_work(priv
->workqueue
, &priv
->restart
);
496 static int iwl5000_load_section(struct iwl_priv
*priv
,
497 struct fw_desc
*image
,
503 dma_addr_t phy_addr
= image
->p_addr
;
504 u32 byte_cnt
= image
->len
;
506 spin_lock_irqsave(&priv
->lock
, flags
);
507 ret
= iwl_grab_nic_access(priv
);
509 spin_unlock_irqrestore(&priv
->lock
, flags
);
513 iwl_write_direct32(priv
,
514 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL
),
515 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE
);
517 iwl_write_direct32(priv
,
518 FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL
), dst_addr
);
520 iwl_write_direct32(priv
,
521 FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL
),
522 phy_addr
& FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK
);
524 iwl_write_direct32(priv
,
525 FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL
),
526 (iwl_get_dma_hi_addr(phy_addr
)
527 << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT
) | byte_cnt
);
529 iwl_write_direct32(priv
,
530 FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL
),
531 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM
|
532 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX
|
533 FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID
);
535 iwl_write_direct32(priv
,
536 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL
),
537 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE
|
538 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE
|
539 FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD
);
541 iwl_release_nic_access(priv
);
542 spin_unlock_irqrestore(&priv
->lock
, flags
);
546 static int iwl5000_load_given_ucode(struct iwl_priv
*priv
,
547 struct fw_desc
*inst_image
,
548 struct fw_desc
*data_image
)
552 ret
= iwl5000_load_section(priv
, inst_image
, RTC_INST_LOWER_BOUND
);
556 IWL_DEBUG_INFO("INST uCode section being loaded...\n");
557 ret
= wait_event_interruptible_timeout(priv
->wait_command_queue
,
558 priv
->ucode_write_complete
, 5 * HZ
);
559 if (ret
== -ERESTARTSYS
) {
560 IWL_ERROR("Could not load the INST uCode section due "
565 IWL_ERROR("Could not load the INST uCode section\n");
569 priv
->ucode_write_complete
= 0;
571 ret
= iwl5000_load_section(
572 priv
, data_image
, RTC_DATA_LOWER_BOUND
);
576 IWL_DEBUG_INFO("DATA uCode section being loaded...\n");
578 ret
= wait_event_interruptible_timeout(priv
->wait_command_queue
,
579 priv
->ucode_write_complete
, 5 * HZ
);
580 if (ret
== -ERESTARTSYS
) {
581 IWL_ERROR("Could not load the INST uCode section due "
585 IWL_ERROR("Could not load the DATA uCode section\n");
590 priv
->ucode_write_complete
= 0;
595 static int iwl5000_load_ucode(struct iwl_priv
*priv
)
599 /* check whether init ucode should be loaded, or rather runtime ucode */
600 if (priv
->ucode_init
.len
&& (priv
->ucode_type
== UCODE_NONE
)) {
601 IWL_DEBUG_INFO("Init ucode found. Loading init ucode...\n");
602 ret
= iwl5000_load_given_ucode(priv
,
603 &priv
->ucode_init
, &priv
->ucode_init_data
);
605 IWL_DEBUG_INFO("Init ucode load complete.\n");
606 priv
->ucode_type
= UCODE_INIT
;
609 IWL_DEBUG_INFO("Init ucode not found, or already loaded. "
610 "Loading runtime ucode...\n");
611 ret
= iwl5000_load_given_ucode(priv
,
612 &priv
->ucode_code
, &priv
->ucode_data
);
614 IWL_DEBUG_INFO("Runtime ucode load complete.\n");
615 priv
->ucode_type
= UCODE_RT
;
622 static void iwl5000_init_alive_start(struct iwl_priv
*priv
)
626 /* Check alive response for "valid" sign from uCode */
627 if (priv
->card_alive_init
.is_valid
!= UCODE_VALID_OK
) {
628 /* We had an error bringing up the hardware, so take it
629 * all the way back down so we can try again */
630 IWL_DEBUG_INFO("Initialize Alive failed.\n");
634 /* initialize uCode was loaded... verify inst image.
635 * This is a paranoid check, because we would not have gotten the
636 * "initialize" alive if code weren't properly loaded. */
637 if (iwl_verify_ucode(priv
)) {
638 /* Runtime instruction load was bad;
639 * take it all the way back down so we can try again */
640 IWL_DEBUG_INFO("Bad \"initialize\" uCode load.\n");
644 iwl_clear_stations_table(priv
);
645 ret
= priv
->cfg
->ops
->lib
->alive_notify(priv
);
647 IWL_WARNING("Could not complete ALIVE transition: %d\n", ret
);
651 iwl5000_send_calib_cfg(priv
);
655 /* real restart (first load init_ucode) */
656 queue_work(priv
->workqueue
, &priv
->restart
);
659 static void iwl5000_set_wr_ptrs(struct iwl_priv
*priv
,
660 int txq_id
, u32 index
)
662 iwl_write_direct32(priv
, HBUS_TARG_WRPTR
,
663 (index
& 0xff) | (txq_id
<< 8));
664 iwl_write_prph(priv
, IWL50_SCD_QUEUE_RDPTR(txq_id
), index
);
667 static void iwl5000_tx_queue_set_status(struct iwl_priv
*priv
,
668 struct iwl_tx_queue
*txq
,
669 int tx_fifo_id
, int scd_retry
)
671 int txq_id
= txq
->q
.id
;
672 int active
= test_bit(txq_id
, &priv
->txq_ctx_active_msk
) ? 1 : 0;
674 iwl_write_prph(priv
, IWL50_SCD_QUEUE_STATUS_BITS(txq_id
),
675 (active
<< IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE
) |
676 (tx_fifo_id
<< IWL50_SCD_QUEUE_STTS_REG_POS_TXF
) |
677 (1 << IWL50_SCD_QUEUE_STTS_REG_POS_WSL
) |
678 IWL50_SCD_QUEUE_STTS_REG_MSK
);
680 txq
->sched_retry
= scd_retry
;
682 IWL_DEBUG_INFO("%s %s Queue %d on AC %d\n",
683 active
? "Activate" : "Deactivate",
684 scd_retry
? "BA" : "AC", txq_id
, tx_fifo_id
);
687 static int iwl5000_send_wimax_coex(struct iwl_priv
*priv
)
689 struct iwl_wimax_coex_cmd coex_cmd
;
691 memset(&coex_cmd
, 0, sizeof(coex_cmd
));
693 return iwl_send_cmd_pdu(priv
, COEX_PRIORITY_TABLE_CMD
,
694 sizeof(coex_cmd
), &coex_cmd
);
697 static int iwl5000_alive_notify(struct iwl_priv
*priv
)
704 spin_lock_irqsave(&priv
->lock
, flags
);
706 ret
= iwl_grab_nic_access(priv
);
708 spin_unlock_irqrestore(&priv
->lock
, flags
);
712 priv
->scd_base_addr
= iwl_read_prph(priv
, IWL50_SCD_SRAM_BASE_ADDR
);
713 a
= priv
->scd_base_addr
+ IWL50_SCD_CONTEXT_DATA_OFFSET
;
714 for (; a
< priv
->scd_base_addr
+ IWL50_SCD_TX_STTS_BITMAP_OFFSET
;
716 iwl_write_targ_mem(priv
, a
, 0);
717 for (; a
< priv
->scd_base_addr
+ IWL50_SCD_TRANSLATE_TBL_OFFSET
;
719 iwl_write_targ_mem(priv
, a
, 0);
720 for (; a
< sizeof(u16
) * priv
->hw_params
.max_txq_num
; a
+= 4)
721 iwl_write_targ_mem(priv
, a
, 0);
723 iwl_write_prph(priv
, IWL50_SCD_DRAM_BASE_ADDR
,
724 priv
->scd_bc_tbls
.dma
>> 10);
725 iwl_write_prph(priv
, IWL50_SCD_QUEUECHAIN_SEL
,
726 IWL50_SCD_QUEUECHAIN_SEL_ALL(priv
->hw_params
.max_txq_num
));
727 iwl_write_prph(priv
, IWL50_SCD_AGGR_SEL
, 0);
729 /* initiate the queues */
730 for (i
= 0; i
< priv
->hw_params
.max_txq_num
; i
++) {
731 iwl_write_prph(priv
, IWL50_SCD_QUEUE_RDPTR(i
), 0);
732 iwl_write_direct32(priv
, HBUS_TARG_WRPTR
, 0 | (i
<< 8));
733 iwl_write_targ_mem(priv
, priv
->scd_base_addr
+
734 IWL50_SCD_CONTEXT_QUEUE_OFFSET(i
), 0);
735 iwl_write_targ_mem(priv
, priv
->scd_base_addr
+
736 IWL50_SCD_CONTEXT_QUEUE_OFFSET(i
) +
739 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS
) &
740 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK
) |
742 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS
) &
743 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK
));
746 iwl_write_prph(priv
, IWL50_SCD_INTERRUPT_MASK
,
747 IWL_MASK(0, priv
->hw_params
.max_txq_num
));
749 /* Activate all Tx DMA/FIFO channels */
750 priv
->cfg
->ops
->lib
->txq_set_sched(priv
, IWL_MASK(0, 7));
752 iwl5000_set_wr_ptrs(priv
, IWL_CMD_QUEUE_NUM
, 0);
754 /* map qos queues to fifos one-to-one */
755 for (i
= 0; i
< ARRAY_SIZE(iwl5000_default_queue_to_tx_fifo
); i
++) {
756 int ac
= iwl5000_default_queue_to_tx_fifo
[i
];
757 iwl_txq_ctx_activate(priv
, i
);
758 iwl5000_tx_queue_set_status(priv
, &priv
->txq
[i
], ac
, 0);
760 /* TODO - need to initialize those FIFOs inside the loop above,
761 * not only mark them as active */
762 iwl_txq_ctx_activate(priv
, 4);
763 iwl_txq_ctx_activate(priv
, 7);
764 iwl_txq_ctx_activate(priv
, 8);
765 iwl_txq_ctx_activate(priv
, 9);
767 iwl_release_nic_access(priv
);
768 spin_unlock_irqrestore(&priv
->lock
, flags
);
771 iwl5000_send_wimax_coex(priv
);
773 iwl5000_set_Xtal_calib(priv
);
774 iwl_send_calib_results(priv
);
779 static int iwl5000_hw_set_hw_params(struct iwl_priv
*priv
)
781 if ((priv
->cfg
->mod_params
->num_of_queues
> IWL50_NUM_QUEUES
) ||
782 (priv
->cfg
->mod_params
->num_of_queues
< IWL_MIN_NUM_QUEUES
)) {
783 IWL_ERROR("invalid queues_num, should be between %d and %d\n",
784 IWL_MIN_NUM_QUEUES
, IWL50_NUM_QUEUES
);
788 priv
->hw_params
.max_txq_num
= priv
->cfg
->mod_params
->num_of_queues
;
789 priv
->hw_params
.scd_bc_tbls_size
=
790 IWL50_NUM_QUEUES
* sizeof(struct iwl5000_scd_bc_tbl
);
791 priv
->hw_params
.max_stations
= IWL5000_STATION_COUNT
;
792 priv
->hw_params
.bcast_sta_id
= IWL5000_BROADCAST_ID
;
793 priv
->hw_params
.max_data_size
= IWL50_RTC_DATA_SIZE
;
794 priv
->hw_params
.max_inst_size
= IWL50_RTC_INST_SIZE
;
795 priv
->hw_params
.max_bsm_size
= 0;
796 priv
->hw_params
.fat_channel
= BIT(IEEE80211_BAND_2GHZ
) |
797 BIT(IEEE80211_BAND_5GHZ
);
798 priv
->hw_params
.sens
= &iwl5000_sensitivity
;
800 switch (priv
->hw_rev
& CSR_HW_REV_TYPE_MSK
) {
801 case CSR_HW_REV_TYPE_5100
:
802 priv
->hw_params
.tx_chains_num
= 1;
803 priv
->hw_params
.rx_chains_num
= 2;
804 priv
->hw_params
.valid_tx_ant
= ANT_B
;
805 priv
->hw_params
.valid_rx_ant
= ANT_AB
;
807 case CSR_HW_REV_TYPE_5150
:
808 priv
->hw_params
.tx_chains_num
= 1;
809 priv
->hw_params
.rx_chains_num
= 2;
810 priv
->hw_params
.valid_tx_ant
= ANT_A
;
811 priv
->hw_params
.valid_rx_ant
= ANT_AB
;
813 case CSR_HW_REV_TYPE_5300
:
814 case CSR_HW_REV_TYPE_5350
:
815 priv
->hw_params
.tx_chains_num
= 3;
816 priv
->hw_params
.rx_chains_num
= 3;
817 priv
->hw_params
.valid_tx_ant
= ANT_ABC
;
818 priv
->hw_params
.valid_rx_ant
= ANT_ABC
;
822 switch (priv
->hw_rev
& CSR_HW_REV_TYPE_MSK
) {
823 case CSR_HW_REV_TYPE_5100
:
824 case CSR_HW_REV_TYPE_5300
:
825 case CSR_HW_REV_TYPE_5350
:
826 /* 5X00 and 5350 wants in Celsius */
827 priv
->hw_params
.ct_kill_threshold
= CT_KILL_THRESHOLD
;
829 case CSR_HW_REV_TYPE_5150
:
830 /* 5150 wants in Kelvin */
831 priv
->hw_params
.ct_kill_threshold
=
832 CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD
);
836 /* Set initial calibration set */
837 switch (priv
->hw_rev
& CSR_HW_REV_TYPE_MSK
) {
838 case CSR_HW_REV_TYPE_5100
:
839 case CSR_HW_REV_TYPE_5300
:
840 case CSR_HW_REV_TYPE_5350
:
841 priv
->hw_params
.calib_init_cfg
=
842 BIT(IWL_CALIB_XTAL
) |
844 BIT(IWL_CALIB_TX_IQ
) |
845 BIT(IWL_CALIB_TX_IQ_PERD
);
847 case CSR_HW_REV_TYPE_5150
:
848 priv
->hw_params
.calib_init_cfg
= 0;
857 * iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
859 static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv
*priv
,
860 struct iwl_tx_queue
*txq
,
863 struct iwl5000_scd_bc_tbl
*scd_bc_tbl
= priv
->scd_bc_tbls
.addr
;
864 int write_ptr
= txq
->q
.write_ptr
;
865 int txq_id
= txq
->q
.id
;
868 u16 len
= byte_cnt
+ IWL_TX_CRC_SIZE
+ IWL_TX_DELIMITER_SIZE
;
871 WARN_ON(len
> 0xFFF || write_ptr
>= TFD_QUEUE_SIZE_MAX
);
873 if (txq_id
!= IWL_CMD_QUEUE_NUM
) {
874 sta_id
= txq
->cmd
[txq
->q
.write_ptr
]->cmd
.tx
.sta_id
;
875 sec_ctl
= txq
->cmd
[txq
->q
.write_ptr
]->cmd
.tx
.sec_ctl
;
877 switch (sec_ctl
& TX_CMD_SEC_MSK
) {
881 case TX_CMD_SEC_TKIP
:
885 len
+= WEP_IV_LEN
+ WEP_ICV_LEN
;
890 bc_ent
= cpu_to_le16((len
& 0xFFF) | (sta_id
<< 12));
892 scd_bc_tbl
[txq_id
].tfd_offset
[write_ptr
] = bc_ent
;
894 if (txq
->q
.write_ptr
< TFD_QUEUE_SIZE_BC_DUP
)
896 tfd_offset
[TFD_QUEUE_SIZE_MAX
+ write_ptr
] = bc_ent
;
899 static void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv
*priv
,
900 struct iwl_tx_queue
*txq
)
902 struct iwl5000_scd_bc_tbl
*scd_bc_tbl
= priv
->scd_bc_tbls
.addr
;
903 int txq_id
= txq
->q
.id
;
904 int read_ptr
= txq
->q
.read_ptr
;
908 WARN_ON(read_ptr
>= TFD_QUEUE_SIZE_MAX
);
910 if (txq_id
!= IWL_CMD_QUEUE_NUM
)
911 sta_id
= txq
->cmd
[read_ptr
]->cmd
.tx
.sta_id
;
913 bc_ent
= cpu_to_le16(1 | (sta_id
<< 12));
914 scd_bc_tbl
[txq_id
].tfd_offset
[read_ptr
] = bc_ent
;
916 if (txq
->q
.write_ptr
< TFD_QUEUE_SIZE_BC_DUP
)
918 tfd_offset
[TFD_QUEUE_SIZE_MAX
+ read_ptr
] = bc_ent
;
921 static int iwl5000_tx_queue_set_q2ratid(struct iwl_priv
*priv
, u16 ra_tid
,
928 scd_q2ratid
= ra_tid
& IWL_SCD_QUEUE_RA_TID_MAP_RATID_MSK
;
930 tbl_dw_addr
= priv
->scd_base_addr
+
931 IWL50_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id
);
933 tbl_dw
= iwl_read_targ_mem(priv
, tbl_dw_addr
);
936 tbl_dw
= (scd_q2ratid
<< 16) | (tbl_dw
& 0x0000FFFF);
938 tbl_dw
= scd_q2ratid
| (tbl_dw
& 0xFFFF0000);
940 iwl_write_targ_mem(priv
, tbl_dw_addr
, tbl_dw
);
944 static void iwl5000_tx_queue_stop_scheduler(struct iwl_priv
*priv
, u16 txq_id
)
946 /* Simply stop the queue, but don't change any configuration;
947 * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
949 IWL50_SCD_QUEUE_STATUS_BITS(txq_id
),
950 (0 << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE
)|
951 (1 << IWL50_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN
));
954 static int iwl5000_txq_agg_enable(struct iwl_priv
*priv
, int txq_id
,
955 int tx_fifo
, int sta_id
, int tid
, u16 ssn_idx
)
961 if ((IWL50_FIRST_AMPDU_QUEUE
> txq_id
) ||
962 (IWL50_FIRST_AMPDU_QUEUE
+ IWL50_NUM_AMPDU_QUEUES
<= txq_id
)) {
963 IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
964 txq_id
, IWL50_FIRST_AMPDU_QUEUE
,
965 IWL50_FIRST_AMPDU_QUEUE
+ IWL50_NUM_AMPDU_QUEUES
- 1);
969 ra_tid
= BUILD_RAxTID(sta_id
, tid
);
971 /* Modify device's station table to Tx this TID */
972 iwl_sta_modify_enable_tid_tx(priv
, sta_id
, tid
);
974 spin_lock_irqsave(&priv
->lock
, flags
);
975 ret
= iwl_grab_nic_access(priv
);
977 spin_unlock_irqrestore(&priv
->lock
, flags
);
981 /* Stop this Tx queue before configuring it */
982 iwl5000_tx_queue_stop_scheduler(priv
, txq_id
);
984 /* Map receiver-address / traffic-ID to this queue */
985 iwl5000_tx_queue_set_q2ratid(priv
, ra_tid
, txq_id
);
987 /* Set this queue as a chain-building queue */
988 iwl_set_bits_prph(priv
, IWL50_SCD_QUEUECHAIN_SEL
, (1<<txq_id
));
990 /* enable aggregations for the queue */
991 iwl_set_bits_prph(priv
, IWL50_SCD_AGGR_SEL
, (1<<txq_id
));
993 /* Place first TFD at index corresponding to start sequence number.
994 * Assumes that ssn_idx is valid (!= 0xFFF) */
995 priv
->txq
[txq_id
].q
.read_ptr
= (ssn_idx
& 0xff);
996 priv
->txq
[txq_id
].q
.write_ptr
= (ssn_idx
& 0xff);
997 iwl5000_set_wr_ptrs(priv
, txq_id
, ssn_idx
);
999 /* Set up Tx window size and frame limit for this queue */
1000 iwl_write_targ_mem(priv
, priv
->scd_base_addr
+
1001 IWL50_SCD_CONTEXT_QUEUE_OFFSET(txq_id
) +
1004 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS
) &
1005 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK
) |
1006 ((SCD_FRAME_LIMIT
<<
1007 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS
) &
1008 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK
));
1010 iwl_set_bits_prph(priv
, IWL50_SCD_INTERRUPT_MASK
, (1 << txq_id
));
1012 /* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
1013 iwl5000_tx_queue_set_status(priv
, &priv
->txq
[txq_id
], tx_fifo
, 1);
1015 iwl_release_nic_access(priv
);
1016 spin_unlock_irqrestore(&priv
->lock
, flags
);
1021 static int iwl5000_txq_agg_disable(struct iwl_priv
*priv
, u16 txq_id
,
1022 u16 ssn_idx
, u8 tx_fifo
)
1026 if ((IWL50_FIRST_AMPDU_QUEUE
> txq_id
) ||
1027 (IWL50_FIRST_AMPDU_QUEUE
+ IWL50_NUM_AMPDU_QUEUES
<= txq_id
)) {
1028 IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
1029 txq_id
, IWL50_FIRST_AMPDU_QUEUE
,
1030 IWL50_FIRST_AMPDU_QUEUE
+ IWL50_NUM_AMPDU_QUEUES
- 1);
1034 ret
= iwl_grab_nic_access(priv
);
1038 iwl5000_tx_queue_stop_scheduler(priv
, txq_id
);
1040 iwl_clear_bits_prph(priv
, IWL50_SCD_AGGR_SEL
, (1 << txq_id
));
1042 priv
->txq
[txq_id
].q
.read_ptr
= (ssn_idx
& 0xff);
1043 priv
->txq
[txq_id
].q
.write_ptr
= (ssn_idx
& 0xff);
1044 /* supposes that ssn_idx is valid (!= 0xFFF) */
1045 iwl5000_set_wr_ptrs(priv
, txq_id
, ssn_idx
);
1047 iwl_clear_bits_prph(priv
, IWL50_SCD_INTERRUPT_MASK
, (1 << txq_id
));
1048 iwl_txq_ctx_deactivate(priv
, txq_id
);
1049 iwl5000_tx_queue_set_status(priv
, &priv
->txq
[txq_id
], tx_fifo
, 0);
1051 iwl_release_nic_access(priv
);
1056 static u16
iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd
*cmd
, u8
*data
)
1058 u16 size
= (u16
)sizeof(struct iwl_addsta_cmd
);
1059 memcpy(data
, cmd
, size
);
1065 * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
1066 * must be called under priv->lock and mac access
1068 static void iwl5000_txq_set_sched(struct iwl_priv
*priv
, u32 mask
)
1070 iwl_write_prph(priv
, IWL50_SCD_TXFACT
, mask
);
1074 static inline u32
iwl5000_get_scd_ssn(struct iwl5000_tx_resp
*tx_resp
)
1076 return le32_to_cpup((__le32
*)&tx_resp
->status
+
1077 tx_resp
->frame_count
) & MAX_SN
;
1080 static int iwl5000_tx_status_reply_tx(struct iwl_priv
*priv
,
1081 struct iwl_ht_agg
*agg
,
1082 struct iwl5000_tx_resp
*tx_resp
,
1083 int txq_id
, u16 start_idx
)
1086 struct agg_tx_status
*frame_status
= &tx_resp
->status
;
1087 struct ieee80211_tx_info
*info
= NULL
;
1088 struct ieee80211_hdr
*hdr
= NULL
;
1089 u32 rate_n_flags
= le32_to_cpu(tx_resp
->rate_n_flags
);
1093 if (agg
->wait_for_ba
)
1094 IWL_DEBUG_TX_REPLY("got tx response w/o block-ack\n");
1096 agg
->frame_count
= tx_resp
->frame_count
;
1097 agg
->start_idx
= start_idx
;
1098 agg
->rate_n_flags
= rate_n_flags
;
1101 /* # frames attempted by Tx command */
1102 if (agg
->frame_count
== 1) {
1103 /* Only one frame was attempted; no block-ack will arrive */
1104 status
= le16_to_cpu(frame_status
[0].status
);
1107 /* FIXME: code repetition */
1108 IWL_DEBUG_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
1109 agg
->frame_count
, agg
->start_idx
, idx
);
1111 info
= IEEE80211_SKB_CB(priv
->txq
[txq_id
].txb
[idx
].skb
[0]);
1112 info
->status
.rates
[0].count
= tx_resp
->failure_frame
+ 1;
1113 info
->flags
&= ~IEEE80211_TX_CTL_AMPDU
;
1114 info
->flags
|= iwl_is_tx_success(status
)?
1115 IEEE80211_TX_STAT_ACK
: 0;
1116 iwl_hwrate_to_tx_control(priv
, rate_n_flags
, info
);
1118 /* FIXME: code repetition end */
1120 IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
1121 status
& 0xff, tx_resp
->failure_frame
);
1122 IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags
);
1124 agg
->wait_for_ba
= 0;
1126 /* Two or more frames were attempted; expect block-ack */
1128 int start
= agg
->start_idx
;
1130 /* Construct bit-map of pending frames within Tx window */
1131 for (i
= 0; i
< agg
->frame_count
; i
++) {
1133 status
= le16_to_cpu(frame_status
[i
].status
);
1134 seq
= le16_to_cpu(frame_status
[i
].sequence
);
1135 idx
= SEQ_TO_INDEX(seq
);
1136 txq_id
= SEQ_TO_QUEUE(seq
);
1138 if (status
& (AGG_TX_STATE_FEW_BYTES_MSK
|
1139 AGG_TX_STATE_ABORT_MSK
))
1142 IWL_DEBUG_TX_REPLY("FrameCnt = %d, txq_id=%d idx=%d\n",
1143 agg
->frame_count
, txq_id
, idx
);
1145 hdr
= iwl_tx_queue_get_hdr(priv
, txq_id
, idx
);
1147 sc
= le16_to_cpu(hdr
->seq_ctrl
);
1148 if (idx
!= (SEQ_TO_SN(sc
) & 0xff)) {
1149 IWL_ERROR("BUG_ON idx doesn't match seq control"
1150 " idx=%d, seq_idx=%d, seq=%d\n",
1156 IWL_DEBUG_TX_REPLY("AGG Frame i=%d idx %d seq=%d\n",
1157 i
, idx
, SEQ_TO_SN(sc
));
1161 sh
= (start
- idx
) + 0xff;
1162 bitmap
= bitmap
<< sh
;
1165 } else if (sh
< -64)
1166 sh
= 0xff - (start
- idx
);
1170 bitmap
= bitmap
<< sh
;
1173 bitmap
|= 1ULL << sh
;
1174 IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%llx\n",
1175 start
, (unsigned long long)bitmap
);
1178 agg
->bitmap
= bitmap
;
1179 agg
->start_idx
= start
;
1180 IWL_DEBUG_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n",
1181 agg
->frame_count
, agg
->start_idx
,
1182 (unsigned long long)agg
->bitmap
);
1185 agg
->wait_for_ba
= 1;
1190 static void iwl5000_rx_reply_tx(struct iwl_priv
*priv
,
1191 struct iwl_rx_mem_buffer
*rxb
)
1193 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1194 u16 sequence
= le16_to_cpu(pkt
->hdr
.sequence
);
1195 int txq_id
= SEQ_TO_QUEUE(sequence
);
1196 int index
= SEQ_TO_INDEX(sequence
);
1197 struct iwl_tx_queue
*txq
= &priv
->txq
[txq_id
];
1198 struct ieee80211_tx_info
*info
;
1199 struct iwl5000_tx_resp
*tx_resp
= (void *)&pkt
->u
.raw
[0];
1200 u32 status
= le16_to_cpu(tx_resp
->status
.status
);
1205 if ((index
>= txq
->q
.n_bd
) || (iwl_queue_used(&txq
->q
, index
) == 0)) {
1206 IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
1207 "is out of range [0-%d] %d %d\n", txq_id
,
1208 index
, txq
->q
.n_bd
, txq
->q
.write_ptr
,
1213 info
= IEEE80211_SKB_CB(txq
->txb
[txq
->q
.read_ptr
].skb
[0]);
1214 memset(&info
->status
, 0, sizeof(info
->status
));
1216 tid
= (tx_resp
->ra_tid
& IWL50_TX_RES_TID_MSK
) >> IWL50_TX_RES_TID_POS
;
1217 sta_id
= (tx_resp
->ra_tid
& IWL50_TX_RES_RA_MSK
) >> IWL50_TX_RES_RA_POS
;
1219 if (txq
->sched_retry
) {
1220 const u32 scd_ssn
= iwl5000_get_scd_ssn(tx_resp
);
1221 struct iwl_ht_agg
*agg
= NULL
;
1223 agg
= &priv
->stations
[sta_id
].tid
[tid
].agg
;
1225 iwl5000_tx_status_reply_tx(priv
, agg
, tx_resp
, txq_id
, index
);
1227 /* check if BAR is needed */
1228 if ((tx_resp
->frame_count
== 1) && !iwl_is_tx_success(status
))
1229 info
->flags
|= IEEE80211_TX_STAT_AMPDU_NO_BACK
;
1231 if (txq
->q
.read_ptr
!= (scd_ssn
& 0xff)) {
1232 index
= iwl_queue_dec_wrap(scd_ssn
& 0xff, txq
->q
.n_bd
);
1233 IWL_DEBUG_TX_REPLY("Retry scheduler reclaim "
1234 "scd_ssn=%d idx=%d txq=%d swq=%d\n",
1235 scd_ssn
, index
, txq_id
, txq
->swq_id
);
1237 freed
= iwl_tx_queue_reclaim(priv
, txq_id
, index
);
1238 priv
->stations
[sta_id
].tid
[tid
].tfds_in_queue
-= freed
;
1240 if (priv
->mac80211_registered
&&
1241 (iwl_queue_space(&txq
->q
) > txq
->q
.low_mark
) &&
1242 (agg
->state
!= IWL_EMPTYING_HW_QUEUE_DELBA
)) {
1243 if (agg
->state
== IWL_AGG_OFF
)
1244 ieee80211_wake_queue(priv
->hw
, txq_id
);
1246 ieee80211_wake_queue(priv
->hw
,
1251 BUG_ON(txq_id
!= txq
->swq_id
);
1253 info
->status
.rates
[0].count
= tx_resp
->failure_frame
+ 1;
1254 info
->flags
|= iwl_is_tx_success(status
) ?
1255 IEEE80211_TX_STAT_ACK
: 0;
1256 iwl_hwrate_to_tx_control(priv
,
1257 le32_to_cpu(tx_resp
->rate_n_flags
),
1260 IWL_DEBUG_TX_REPLY("TXQ %d status %s (0x%08x) rate_n_flags "
1261 "0x%x retries %d\n",
1263 iwl_get_tx_fail_reason(status
), status
,
1264 le32_to_cpu(tx_resp
->rate_n_flags
),
1265 tx_resp
->failure_frame
);
1267 freed
= iwl_tx_queue_reclaim(priv
, txq_id
, index
);
1268 if (ieee80211_is_data_qos(tx_resp
->frame_ctrl
))
1269 priv
->stations
[sta_id
].tid
[tid
].tfds_in_queue
-= freed
;
1271 if (priv
->mac80211_registered
&&
1272 (iwl_queue_space(&txq
->q
) > txq
->q
.low_mark
))
1273 ieee80211_wake_queue(priv
->hw
, txq_id
);
1276 if (ieee80211_is_data_qos(tx_resp
->frame_ctrl
))
1277 iwl_txq_check_empty(priv
, sta_id
, tid
, txq_id
);
1279 if (iwl_check_bits(status
, TX_ABORT_REQUIRED_MSK
))
1280 IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n");
1283 /* Currently 5000 is the superset of everything */
1284 static u16
iwl5000_get_hcmd_size(u8 cmd_id
, u16 len
)
1289 static void iwl5000_setup_deferred_work(struct iwl_priv
*priv
)
1291 /* in 5000 the tx power calibration is done in uCode */
1292 priv
->disable_tx_power_cal
= 1;
1295 static void iwl5000_rx_handler_setup(struct iwl_priv
*priv
)
1297 /* init calibration handlers */
1298 priv
->rx_handlers
[CALIBRATION_RES_NOTIFICATION
] =
1299 iwl5000_rx_calib_result
;
1300 priv
->rx_handlers
[CALIBRATION_COMPLETE_NOTIFICATION
] =
1301 iwl5000_rx_calib_complete
;
1302 priv
->rx_handlers
[REPLY_TX
] = iwl5000_rx_reply_tx
;
1306 static int iwl5000_hw_valid_rtc_data_addr(u32 addr
)
1308 return (addr
>= RTC_DATA_LOWER_BOUND
) &&
1309 (addr
< IWL50_RTC_DATA_UPPER_BOUND
);
1312 static int iwl5000_send_rxon_assoc(struct iwl_priv
*priv
)
1315 struct iwl5000_rxon_assoc_cmd rxon_assoc
;
1316 const struct iwl_rxon_cmd
*rxon1
= &priv
->staging_rxon
;
1317 const struct iwl_rxon_cmd
*rxon2
= &priv
->active_rxon
;
1319 if ((rxon1
->flags
== rxon2
->flags
) &&
1320 (rxon1
->filter_flags
== rxon2
->filter_flags
) &&
1321 (rxon1
->cck_basic_rates
== rxon2
->cck_basic_rates
) &&
1322 (rxon1
->ofdm_ht_single_stream_basic_rates
==
1323 rxon2
->ofdm_ht_single_stream_basic_rates
) &&
1324 (rxon1
->ofdm_ht_dual_stream_basic_rates
==
1325 rxon2
->ofdm_ht_dual_stream_basic_rates
) &&
1326 (rxon1
->ofdm_ht_triple_stream_basic_rates
==
1327 rxon2
->ofdm_ht_triple_stream_basic_rates
) &&
1328 (rxon1
->acquisition_data
== rxon2
->acquisition_data
) &&
1329 (rxon1
->rx_chain
== rxon2
->rx_chain
) &&
1330 (rxon1
->ofdm_basic_rates
== rxon2
->ofdm_basic_rates
)) {
1331 IWL_DEBUG_INFO("Using current RXON_ASSOC. Not resending.\n");
1335 rxon_assoc
.flags
= priv
->staging_rxon
.flags
;
1336 rxon_assoc
.filter_flags
= priv
->staging_rxon
.filter_flags
;
1337 rxon_assoc
.ofdm_basic_rates
= priv
->staging_rxon
.ofdm_basic_rates
;
1338 rxon_assoc
.cck_basic_rates
= priv
->staging_rxon
.cck_basic_rates
;
1339 rxon_assoc
.reserved1
= 0;
1340 rxon_assoc
.reserved2
= 0;
1341 rxon_assoc
.reserved3
= 0;
1342 rxon_assoc
.ofdm_ht_single_stream_basic_rates
=
1343 priv
->staging_rxon
.ofdm_ht_single_stream_basic_rates
;
1344 rxon_assoc
.ofdm_ht_dual_stream_basic_rates
=
1345 priv
->staging_rxon
.ofdm_ht_dual_stream_basic_rates
;
1346 rxon_assoc
.rx_chain_select_flags
= priv
->staging_rxon
.rx_chain
;
1347 rxon_assoc
.ofdm_ht_triple_stream_basic_rates
=
1348 priv
->staging_rxon
.ofdm_ht_triple_stream_basic_rates
;
1349 rxon_assoc
.acquisition_data
= priv
->staging_rxon
.acquisition_data
;
1351 ret
= iwl_send_cmd_pdu_async(priv
, REPLY_RXON_ASSOC
,
1352 sizeof(rxon_assoc
), &rxon_assoc
, NULL
);
1358 static int iwl5000_send_tx_power(struct iwl_priv
*priv
)
1360 struct iwl5000_tx_power_dbm_cmd tx_power_cmd
;
1362 /* half dBm need to multiply */
1363 tx_power_cmd
.global_lmt
= (s8
)(2 * priv
->tx_power_user_lmt
);
1364 tx_power_cmd
.flags
= IWL50_TX_POWER_NO_CLOSED
;
1365 tx_power_cmd
.srv_chan_lmt
= IWL50_TX_POWER_AUTO
;
1366 return iwl_send_cmd_pdu_async(priv
, REPLY_TX_POWER_DBM_CMD
,
1367 sizeof(tx_power_cmd
), &tx_power_cmd
,
1371 static void iwl5000_temperature(struct iwl_priv
*priv
)
1373 /* store temperature from statistics (in Celsius) */
1374 priv
->temperature
= le32_to_cpu(priv
->statistics
.general
.temperature
);
1377 /* Calc max signal level (dBm) among 3 possible receivers */
1378 static int iwl5000_calc_rssi(struct iwl_priv
*priv
,
1379 struct iwl_rx_phy_res
*rx_resp
)
1381 /* data from PHY/DSP regarding signal strength, etc.,
1382 * contents are always there, not configurable by host
1384 struct iwl5000_non_cfg_phy
*ncphy
=
1385 (struct iwl5000_non_cfg_phy
*)rx_resp
->non_cfg_phy_buf
;
1386 u32 val
, rssi_a
, rssi_b
, rssi_c
, max_rssi
;
1389 val
= le32_to_cpu(ncphy
->non_cfg_phy
[IWL50_RX_RES_AGC_IDX
]);
1390 agc
= (val
& IWL50_OFDM_AGC_MSK
) >> IWL50_OFDM_AGC_BIT_POS
;
1392 /* Find max rssi among 3 possible receivers.
1393 * These values are measured by the digital signal processor (DSP).
1394 * They should stay fairly constant even as the signal strength varies,
1395 * if the radio's automatic gain control (AGC) is working right.
1396 * AGC value (see below) will provide the "interesting" info.
1398 val
= le32_to_cpu(ncphy
->non_cfg_phy
[IWL50_RX_RES_RSSI_AB_IDX
]);
1399 rssi_a
= (val
& IWL50_OFDM_RSSI_A_MSK
) >> IWL50_OFDM_RSSI_A_BIT_POS
;
1400 rssi_b
= (val
& IWL50_OFDM_RSSI_B_MSK
) >> IWL50_OFDM_RSSI_B_BIT_POS
;
1401 val
= le32_to_cpu(ncphy
->non_cfg_phy
[IWL50_RX_RES_RSSI_C_IDX
]);
1402 rssi_c
= (val
& IWL50_OFDM_RSSI_C_MSK
) >> IWL50_OFDM_RSSI_C_BIT_POS
;
1404 max_rssi
= max_t(u32
, rssi_a
, rssi_b
);
1405 max_rssi
= max_t(u32
, max_rssi
, rssi_c
);
1407 IWL_DEBUG_STATS("Rssi In A %d B %d C %d Max %d AGC dB %d\n",
1408 rssi_a
, rssi_b
, rssi_c
, max_rssi
, agc
);
1410 /* dBm = max_rssi dB - agc dB - constant.
1411 * Higher AGC (higher radio gain) means lower signal. */
1412 return max_rssi
- agc
- IWL_RSSI_OFFSET
;
1415 static struct iwl_hcmd_ops iwl5000_hcmd
= {
1416 .rxon_assoc
= iwl5000_send_rxon_assoc
,
1419 static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils
= {
1420 .get_hcmd_size
= iwl5000_get_hcmd_size
,
1421 .build_addsta_hcmd
= iwl5000_build_addsta_hcmd
,
1422 .gain_computation
= iwl5000_gain_computation
,
1423 .chain_noise_reset
= iwl5000_chain_noise_reset
,
1424 .rts_tx_cmd_flag
= iwl5000_rts_tx_cmd_flag
,
1425 .calc_rssi
= iwl5000_calc_rssi
,
1428 static struct iwl_lib_ops iwl5000_lib
= {
1429 .set_hw_params
= iwl5000_hw_set_hw_params
,
1430 .txq_update_byte_cnt_tbl
= iwl5000_txq_update_byte_cnt_tbl
,
1431 .txq_inval_byte_cnt_tbl
= iwl5000_txq_inval_byte_cnt_tbl
,
1432 .txq_set_sched
= iwl5000_txq_set_sched
,
1433 .txq_agg_enable
= iwl5000_txq_agg_enable
,
1434 .txq_agg_disable
= iwl5000_txq_agg_disable
,
1435 .rx_handler_setup
= iwl5000_rx_handler_setup
,
1436 .setup_deferred_work
= iwl5000_setup_deferred_work
,
1437 .is_valid_rtc_data_addr
= iwl5000_hw_valid_rtc_data_addr
,
1438 .load_ucode
= iwl5000_load_ucode
,
1439 .init_alive_start
= iwl5000_init_alive_start
,
1440 .alive_notify
= iwl5000_alive_notify
,
1441 .send_tx_power
= iwl5000_send_tx_power
,
1442 .temperature
= iwl5000_temperature
,
1443 .update_chain_flags
= iwl_update_chain_flags
,
1445 .init
= iwl5000_apm_init
,
1446 .reset
= iwl5000_apm_reset
,
1447 .stop
= iwl5000_apm_stop
,
1448 .config
= iwl5000_nic_config
,
1449 .set_pwr_src
= iwl_set_pwr_src
,
1452 .regulatory_bands
= {
1453 EEPROM_5000_REG_BAND_1_CHANNELS
,
1454 EEPROM_5000_REG_BAND_2_CHANNELS
,
1455 EEPROM_5000_REG_BAND_3_CHANNELS
,
1456 EEPROM_5000_REG_BAND_4_CHANNELS
,
1457 EEPROM_5000_REG_BAND_5_CHANNELS
,
1458 EEPROM_5000_REG_BAND_24_FAT_CHANNELS
,
1459 EEPROM_5000_REG_BAND_52_FAT_CHANNELS
1461 .verify_signature
= iwlcore_eeprom_verify_signature
,
1462 .acquire_semaphore
= iwlcore_eeprom_acquire_semaphore
,
1463 .release_semaphore
= iwlcore_eeprom_release_semaphore
,
1464 .calib_version
= iwl5000_eeprom_calib_version
,
1465 .query_addr
= iwl5000_eeprom_query_addr
,
1469 static struct iwl_ops iwl5000_ops
= {
1470 .lib
= &iwl5000_lib
,
1471 .hcmd
= &iwl5000_hcmd
,
1472 .utils
= &iwl5000_hcmd_utils
,
1475 static struct iwl_mod_params iwl50_mod_params
= {
1476 .num_of_queues
= IWL50_NUM_QUEUES
,
1477 .num_of_ampdu_queues
= IWL50_NUM_AMPDU_QUEUES
,
1481 /* the rest are 0 by default */
1485 struct iwl_cfg iwl5300_agn_cfg
= {
1487 .fw_name
= IWL5000_MODULE_FIRMWARE
,
1488 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
1489 .ops
= &iwl5000_ops
,
1490 .eeprom_size
= IWL_5000_EEPROM_IMG_SIZE
,
1491 .eeprom_ver
= EEPROM_5000_EEPROM_VERSION
,
1492 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
1493 .mod_params
= &iwl50_mod_params
,
1496 struct iwl_cfg iwl5100_bg_cfg
= {
1498 .fw_name
= IWL5000_MODULE_FIRMWARE
,
1500 .ops
= &iwl5000_ops
,
1501 .eeprom_size
= IWL_5000_EEPROM_IMG_SIZE
,
1502 .eeprom_ver
= EEPROM_5000_EEPROM_VERSION
,
1503 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
1504 .mod_params
= &iwl50_mod_params
,
1507 struct iwl_cfg iwl5100_abg_cfg
= {
1509 .fw_name
= IWL5000_MODULE_FIRMWARE
,
1510 .sku
= IWL_SKU_A
|IWL_SKU_G
,
1511 .ops
= &iwl5000_ops
,
1512 .eeprom_size
= IWL_5000_EEPROM_IMG_SIZE
,
1513 .eeprom_ver
= EEPROM_5000_EEPROM_VERSION
,
1514 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
1515 .mod_params
= &iwl50_mod_params
,
1518 struct iwl_cfg iwl5100_agn_cfg
= {
1520 .fw_name
= IWL5000_MODULE_FIRMWARE
,
1521 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
1522 .ops
= &iwl5000_ops
,
1523 .eeprom_size
= IWL_5000_EEPROM_IMG_SIZE
,
1524 .eeprom_ver
= EEPROM_5000_EEPROM_VERSION
,
1525 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
1526 .mod_params
= &iwl50_mod_params
,
1529 struct iwl_cfg iwl5350_agn_cfg
= {
1531 .fw_name
= IWL5000_MODULE_FIRMWARE
,
1532 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
1533 .ops
= &iwl5000_ops
,
1534 .eeprom_size
= IWL_5000_EEPROM_IMG_SIZE
,
1535 .eeprom_ver
= EEPROM_5050_EEPROM_VERSION
,
1536 .eeprom_calib_ver
= EEPROM_5050_TX_POWER_VERSION
,
1537 .mod_params
= &iwl50_mod_params
,
1540 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE
);
1542 module_param_named(disable50
, iwl50_mod_params
.disable
, int, 0444);
1543 MODULE_PARM_DESC(disable50
,
1544 "manually disable the 50XX radio (default 0 [radio on])");
1545 module_param_named(swcrypto50
, iwl50_mod_params
.sw_crypto
, bool, 0444);
1546 MODULE_PARM_DESC(swcrypto50
,
1547 "using software crypto engine (default 0 [hardware])\n");
1548 module_param_named(debug50
, iwl50_mod_params
.debug
, int, 0444);
1549 MODULE_PARM_DESC(debug50
, "50XX debug output mask");
1550 module_param_named(queues_num50
, iwl50_mod_params
.num_of_queues
, int, 0444);
1551 MODULE_PARM_DESC(queues_num50
, "number of hw queues in 50xx series");
1552 module_param_named(qos_enable50
, iwl50_mod_params
.enable_qos
, int, 0444);
1553 MODULE_PARM_DESC(qos_enable50
, "enable all 50XX QoS functionality");
1554 module_param_named(11n_disable50
, iwl50_mod_params
.disable_11n
, int, 0444);
1555 MODULE_PARM_DESC(11n_disable50
, "disable 50XX 11n functionality");
1556 module_param_named(amsdu_size_8K50
, iwl50_mod_params
.amsdu_size_8K
, int, 0444);
1557 MODULE_PARM_DESC(amsdu_size_8K50
, "enable 8K amsdu size in 50XX series");
1558 module_param_named(fw_restart50
, iwl50_mod_params
.restart_fw
, int, 0444);
1559 MODULE_PARM_DESC(fw_restart50
, "restart firmware in case of error");