1 /******************************************************************************
3 * Copyright(c) 2007 - 2009 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"
46 #include "iwl-6000-hw.h"
48 /* Highest firmware API version supported */
49 #define IWL5000_UCODE_API_MAX 2
50 #define IWL5150_UCODE_API_MAX 2
52 /* Lowest firmware API version supported */
53 #define IWL5000_UCODE_API_MIN 1
54 #define IWL5150_UCODE_API_MIN 1
56 #define IWL5000_FW_PRE "iwlwifi-5000-"
57 #define _IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE #api ".ucode"
58 #define IWL5000_MODULE_FIRMWARE(api) _IWL5000_MODULE_FIRMWARE(api)
60 #define IWL5150_FW_PRE "iwlwifi-5150-"
61 #define _IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE #api ".ucode"
62 #define IWL5150_MODULE_FIRMWARE(api) _IWL5150_MODULE_FIRMWARE(api)
64 static const u16 iwl5000_default_queue_to_tx_fifo[] = {
74 /* FIXME: same implementation as 4965 */
75 static int iwl5000_apm_stop_master(struct iwl_priv *priv)
79 spin_lock_irqsave(&priv->lock, flags);
81 /* set stop master bit */
82 iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
84 iwl_poll_direct_bit(priv, CSR_RESET,
85 CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
87 spin_unlock_irqrestore(&priv->lock, flags);
88 IWL_DEBUG_INFO(priv, "stop master\n");
94 static int iwl5000_apm_init(struct iwl_priv *priv)
98 iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
99 CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
101 /* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
102 iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
103 CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
105 /* Set FH wait threshold to maximum (HW error during stress W/A) */
106 iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
108 /* enable HAP INTA to move device L1a -> L0s */
109 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
110 CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
112 if (priv->cfg->need_pll_cfg)
113 iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
115 /* set "initialization complete" bit to move adapter
116 * D0U* --> D0A* state */
117 iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
119 /* wait for clock stabilization */
120 ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
121 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
123 IWL_DEBUG_INFO(priv, "Failed to init the card\n");
128 iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
132 /* disable L1-Active */
133 iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
134 APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
139 /* FIXME: this is identical to 4965 */
140 static void iwl5000_apm_stop(struct iwl_priv *priv)
144 iwl5000_apm_stop_master(priv);
146 spin_lock_irqsave(&priv->lock, flags);
148 iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
152 /* clear "init complete" move adapter D0A* --> D0U state */
153 iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
155 spin_unlock_irqrestore(&priv->lock, flags);
159 static int iwl5000_apm_reset(struct iwl_priv *priv)
163 iwl5000_apm_stop_master(priv);
165 iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
170 /* FIXME: put here L1A -L0S w/a */
172 if (priv->cfg->need_pll_cfg)
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_direct_bit(priv, CSR_GP_CNTRL,
181 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
183 IWL_DEBUG_INFO(priv, "Failed to init the card\n");
188 iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
192 /* disable L1-Active */
193 iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
194 APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
201 static void iwl5000_nic_config(struct iwl_priv *priv)
207 spin_lock_irqsave(&priv->lock, flags);
209 lctl = iwl_pcie_link_ctl(priv);
212 /* L1-ASPM is enabled by BIOS */
213 if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN)
214 /* L1-APSM enabled: disable L0S */
215 iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
217 /* L1-ASPM disabled: enable L0S */
218 iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
220 radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
222 /* write radio config values to register */
223 if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_5000_RF_CFG_TYPE_MAX)
224 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
225 EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
226 EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
227 EEPROM_RF_CFG_DASH_MSK(radio_cfg));
229 /* set CSR_HW_CONFIG_REG for uCode use */
230 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
231 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
232 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
234 /* W/A : NIC is stuck in a reset state after Early PCIe power off
235 * (PCIe power is lost before PERST# is asserted),
236 * causing ME FW to lose ownership and not being able to obtain it back.
238 iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
239 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
240 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
242 spin_unlock_irqrestore(&priv->lock, flags);
250 static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address)
254 if ((address & INDIRECT_ADDRESS) == 0)
257 switch (address & INDIRECT_TYPE_MSK) {
259 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_HOST);
261 case INDIRECT_GENERAL:
262 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_GENERAL);
264 case INDIRECT_REGULATORY:
265 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_REGULATORY);
267 case INDIRECT_CALIBRATION:
268 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_CALIBRATION);
270 case INDIRECT_PROCESS_ADJST:
271 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_PROCESS_ADJST);
273 case INDIRECT_OTHERS:
274 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_OTHERS);
277 IWL_ERR(priv, "illegal indirect type: 0x%X\n",
278 address & INDIRECT_TYPE_MSK);
282 /* translate the offset from words to byte */
283 return (address & ADDRESS_MSK) + (offset << 1);
286 static u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv)
288 struct iwl_eeprom_calib_hdr {
294 hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv,
295 EEPROM_5000_CALIB_ALL);
300 static void iwl5000_gain_computation(struct iwl_priv *priv,
301 u32 average_noise[NUM_RX_CHAINS],
302 u16 min_average_noise_antenna_i,
303 u32 min_average_noise)
307 struct iwl_chain_noise_data *data = &priv->chain_noise_data;
309 /* Find Gain Code for the antennas B and C */
310 for (i = 1; i < NUM_RX_CHAINS; i++) {
311 if ((data->disconn_array[i])) {
312 data->delta_gain_code[i] = 0;
315 delta_g = (1000 * ((s32)average_noise[0] -
316 (s32)average_noise[i])) / 1500;
317 /* bound gain by 2 bits value max, 3rd bit is sign */
318 data->delta_gain_code[i] =
319 min(abs(delta_g), CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
322 /* set negative sign */
323 data->delta_gain_code[i] |= (1 << 2);
326 IWL_DEBUG_CALIB(priv, "Delta gains: ANT_B = %d ANT_C = %d\n",
327 data->delta_gain_code[1], data->delta_gain_code[2]);
329 if (!data->radio_write) {
330 struct iwl_calib_chain_noise_gain_cmd cmd;
332 memset(&cmd, 0, sizeof(cmd));
334 cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
335 cmd.hdr.first_group = 0;
336 cmd.hdr.groups_num = 1;
337 cmd.hdr.data_valid = 1;
338 cmd.delta_gain_1 = data->delta_gain_code[1];
339 cmd.delta_gain_2 = data->delta_gain_code[2];
340 iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
341 sizeof(cmd), &cmd, NULL);
343 data->radio_write = 1;
344 data->state = IWL_CHAIN_NOISE_CALIBRATED;
347 data->chain_noise_a = 0;
348 data->chain_noise_b = 0;
349 data->chain_noise_c = 0;
350 data->chain_signal_a = 0;
351 data->chain_signal_b = 0;
352 data->chain_signal_c = 0;
353 data->beacon_count = 0;
356 static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
358 struct iwl_chain_noise_data *data = &priv->chain_noise_data;
361 if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
362 struct iwl_calib_chain_noise_reset_cmd cmd;
363 memset(&cmd, 0, sizeof(cmd));
365 cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
366 cmd.hdr.first_group = 0;
367 cmd.hdr.groups_num = 1;
368 cmd.hdr.data_valid = 1;
369 ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
373 "Could not send REPLY_PHY_CALIBRATION_CMD\n");
374 data->state = IWL_CHAIN_NOISE_ACCUMULATE;
375 IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
379 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];
418 static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
420 const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
421 s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD) -
422 iwl_temp_calib_to_offset(priv);
424 priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef;
427 static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
430 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
436 static int iwl5000_set_Xtal_calib(struct iwl_priv *priv)
438 struct iwl_calib_xtal_freq_cmd cmd;
439 u16 *xtal_calib = (u16 *)iwl_eeprom_query_addr(priv, EEPROM_5000_XTAL);
441 cmd.hdr.op_code = IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD;
442 cmd.hdr.first_group = 0;
443 cmd.hdr.groups_num = 1;
444 cmd.hdr.data_valid = 1;
445 cmd.cap_pin1 = (u8)xtal_calib[0];
446 cmd.cap_pin2 = (u8)xtal_calib[1];
447 return iwl_calib_set(&priv->calib_results[IWL_CALIB_XTAL],
448 (u8 *)&cmd, sizeof(cmd));
451 static int iwl5000_send_calib_cfg(struct iwl_priv *priv)
453 struct iwl_calib_cfg_cmd calib_cfg_cmd;
454 struct iwl_host_cmd cmd = {
455 .id = CALIBRATION_CFG_CMD,
456 .len = sizeof(struct iwl_calib_cfg_cmd),
457 .data = &calib_cfg_cmd,
460 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
461 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
462 calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
463 calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
464 calib_cfg_cmd.ucd_calib_cfg.flags = IWL_CALIB_INIT_CFG_ALL;
466 return iwl_send_cmd(priv, &cmd);
469 static void iwl5000_rx_calib_result(struct iwl_priv *priv,
470 struct iwl_rx_mem_buffer *rxb)
472 struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
473 struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw;
474 int len = le32_to_cpu(pkt->len) & FH_RSCSR_FRAME_SIZE_MSK;
477 /* reduce the size of the length field itself */
480 /* Define the order in which the results will be sent to the runtime
481 * uCode. iwl_send_calib_results sends them in a row according to their
482 * index. We sort them here */
483 switch (hdr->op_code) {
484 case IWL_PHY_CALIBRATE_DC_CMD:
485 index = IWL_CALIB_DC;
487 case IWL_PHY_CALIBRATE_LO_CMD:
488 index = IWL_CALIB_LO;
490 case IWL_PHY_CALIBRATE_TX_IQ_CMD:
491 index = IWL_CALIB_TX_IQ;
493 case IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD:
494 index = IWL_CALIB_TX_IQ_PERD;
496 case IWL_PHY_CALIBRATE_BASE_BAND_CMD:
497 index = IWL_CALIB_BASE_BAND;
500 IWL_ERR(priv, "Unknown calibration notification %d\n",
504 iwl_calib_set(&priv->calib_results[index], pkt->u.raw, len);
507 static void iwl5000_rx_calib_complete(struct iwl_priv *priv,
508 struct iwl_rx_mem_buffer *rxb)
510 IWL_DEBUG_INFO(priv, "Init. calibration is completed, restarting fw.\n");
511 queue_work(priv->workqueue, &priv->restart);
517 static int iwl5000_load_section(struct iwl_priv *priv,
518 struct fw_desc *image,
521 dma_addr_t phy_addr = image->p_addr;
522 u32 byte_cnt = image->len;
524 iwl_write_direct32(priv,
525 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
526 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
528 iwl_write_direct32(priv,
529 FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
531 iwl_write_direct32(priv,
532 FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
533 phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
535 iwl_write_direct32(priv,
536 FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
537 (iwl_get_dma_hi_addr(phy_addr)
538 << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
540 iwl_write_direct32(priv,
541 FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
542 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
543 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
544 FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
546 iwl_write_direct32(priv,
547 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
548 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
549 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
550 FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
555 static int iwl5000_load_given_ucode(struct iwl_priv *priv,
556 struct fw_desc *inst_image,
557 struct fw_desc *data_image)
561 ret = iwl5000_load_section(priv, inst_image,
562 IWL50_RTC_INST_LOWER_BOUND);
566 IWL_DEBUG_INFO(priv, "INST uCode section being loaded...\n");
567 ret = wait_event_interruptible_timeout(priv->wait_command_queue,
568 priv->ucode_write_complete, 5 * HZ);
569 if (ret == -ERESTARTSYS) {
570 IWL_ERR(priv, "Could not load the INST uCode section due "
575 IWL_ERR(priv, "Could not load the INST uCode section\n");
579 priv->ucode_write_complete = 0;
581 ret = iwl5000_load_section(
582 priv, data_image, IWL50_RTC_DATA_LOWER_BOUND);
586 IWL_DEBUG_INFO(priv, "DATA uCode section being loaded...\n");
588 ret = wait_event_interruptible_timeout(priv->wait_command_queue,
589 priv->ucode_write_complete, 5 * HZ);
590 if (ret == -ERESTARTSYS) {
591 IWL_ERR(priv, "Could not load the INST uCode section due "
595 IWL_ERR(priv, "Could not load the DATA uCode section\n");
600 priv->ucode_write_complete = 0;
605 static int iwl5000_load_ucode(struct iwl_priv *priv)
609 /* check whether init ucode should be loaded, or rather runtime ucode */
610 if (priv->ucode_init.len && (priv->ucode_type == UCODE_NONE)) {
611 IWL_DEBUG_INFO(priv, "Init ucode found. Loading init ucode...\n");
612 ret = iwl5000_load_given_ucode(priv,
613 &priv->ucode_init, &priv->ucode_init_data);
615 IWL_DEBUG_INFO(priv, "Init ucode load complete.\n");
616 priv->ucode_type = UCODE_INIT;
619 IWL_DEBUG_INFO(priv, "Init ucode not found, or already loaded. "
620 "Loading runtime ucode...\n");
621 ret = iwl5000_load_given_ucode(priv,
622 &priv->ucode_code, &priv->ucode_data);
624 IWL_DEBUG_INFO(priv, "Runtime ucode load complete.\n");
625 priv->ucode_type = UCODE_RT;
632 static void iwl5000_init_alive_start(struct iwl_priv *priv)
636 /* Check alive response for "valid" sign from uCode */
637 if (priv->card_alive_init.is_valid != UCODE_VALID_OK) {
638 /* We had an error bringing up the hardware, so take it
639 * all the way back down so we can try again */
640 IWL_DEBUG_INFO(priv, "Initialize Alive failed.\n");
644 /* initialize uCode was loaded... verify inst image.
645 * This is a paranoid check, because we would not have gotten the
646 * "initialize" alive if code weren't properly loaded. */
647 if (iwl_verify_ucode(priv)) {
648 /* Runtime instruction load was bad;
649 * take it all the way back down so we can try again */
650 IWL_DEBUG_INFO(priv, "Bad \"initialize\" uCode load.\n");
654 iwl_clear_stations_table(priv);
655 ret = priv->cfg->ops->lib->alive_notify(priv);
658 "Could not complete ALIVE transition: %d\n", ret);
662 iwl5000_send_calib_cfg(priv);
666 /* real restart (first load init_ucode) */
667 queue_work(priv->workqueue, &priv->restart);
670 static void iwl5000_set_wr_ptrs(struct iwl_priv *priv,
671 int txq_id, u32 index)
673 iwl_write_direct32(priv, HBUS_TARG_WRPTR,
674 (index & 0xff) | (txq_id << 8));
675 iwl_write_prph(priv, IWL50_SCD_QUEUE_RDPTR(txq_id), index);
678 static void iwl5000_tx_queue_set_status(struct iwl_priv *priv,
679 struct iwl_tx_queue *txq,
680 int tx_fifo_id, int scd_retry)
682 int txq_id = txq->q.id;
683 int active = test_bit(txq_id, &priv->txq_ctx_active_msk) ? 1 : 0;
685 iwl_write_prph(priv, IWL50_SCD_QUEUE_STATUS_BITS(txq_id),
686 (active << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
687 (tx_fifo_id << IWL50_SCD_QUEUE_STTS_REG_POS_TXF) |
688 (1 << IWL50_SCD_QUEUE_STTS_REG_POS_WSL) |
689 IWL50_SCD_QUEUE_STTS_REG_MSK);
691 txq->sched_retry = scd_retry;
693 IWL_DEBUG_INFO(priv, "%s %s Queue %d on AC %d\n",
694 active ? "Activate" : "Deactivate",
695 scd_retry ? "BA" : "AC", txq_id, tx_fifo_id);
698 static int iwl5000_send_wimax_coex(struct iwl_priv *priv)
700 struct iwl_wimax_coex_cmd coex_cmd;
702 memset(&coex_cmd, 0, sizeof(coex_cmd));
704 return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
705 sizeof(coex_cmd), &coex_cmd);
708 static int iwl5000_alive_notify(struct iwl_priv *priv)
715 spin_lock_irqsave(&priv->lock, flags);
717 priv->scd_base_addr = iwl_read_prph(priv, IWL50_SCD_SRAM_BASE_ADDR);
718 a = priv->scd_base_addr + IWL50_SCD_CONTEXT_DATA_OFFSET;
719 for (; a < priv->scd_base_addr + IWL50_SCD_TX_STTS_BITMAP_OFFSET;
721 iwl_write_targ_mem(priv, a, 0);
722 for (; a < priv->scd_base_addr + IWL50_SCD_TRANSLATE_TBL_OFFSET;
724 iwl_write_targ_mem(priv, a, 0);
725 for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4)
726 iwl_write_targ_mem(priv, a, 0);
728 iwl_write_prph(priv, IWL50_SCD_DRAM_BASE_ADDR,
729 priv->scd_bc_tbls.dma >> 10);
731 /* Enable DMA channel */
732 for (chan = 0; chan < FH50_TCSR_CHNL_NUM ; chan++)
733 iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
734 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
735 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE);
737 /* Update FH chicken bits */
738 reg_val = iwl_read_direct32(priv, FH_TX_CHICKEN_BITS_REG);
739 iwl_write_direct32(priv, FH_TX_CHICKEN_BITS_REG,
740 reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN);
742 iwl_write_prph(priv, IWL50_SCD_QUEUECHAIN_SEL,
743 IWL50_SCD_QUEUECHAIN_SEL_ALL(priv->hw_params.max_txq_num));
744 iwl_write_prph(priv, IWL50_SCD_AGGR_SEL, 0);
746 /* initiate the queues */
747 for (i = 0; i < priv->hw_params.max_txq_num; i++) {
748 iwl_write_prph(priv, IWL50_SCD_QUEUE_RDPTR(i), 0);
749 iwl_write_direct32(priv, HBUS_TARG_WRPTR, 0 | (i << 8));
750 iwl_write_targ_mem(priv, priv->scd_base_addr +
751 IWL50_SCD_CONTEXT_QUEUE_OFFSET(i), 0);
752 iwl_write_targ_mem(priv, priv->scd_base_addr +
753 IWL50_SCD_CONTEXT_QUEUE_OFFSET(i) +
756 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
757 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
759 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
760 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
763 iwl_write_prph(priv, IWL50_SCD_INTERRUPT_MASK,
764 IWL_MASK(0, priv->hw_params.max_txq_num));
766 /* Activate all Tx DMA/FIFO channels */
767 priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
769 iwl5000_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
771 /* map qos queues to fifos one-to-one */
772 for (i = 0; i < ARRAY_SIZE(iwl5000_default_queue_to_tx_fifo); i++) {
773 int ac = iwl5000_default_queue_to_tx_fifo[i];
774 iwl_txq_ctx_activate(priv, i);
775 iwl5000_tx_queue_set_status(priv, &priv->txq[i], ac, 0);
777 /* TODO - need to initialize those FIFOs inside the loop above,
778 * not only mark them as active */
779 iwl_txq_ctx_activate(priv, 4);
780 iwl_txq_ctx_activate(priv, 7);
781 iwl_txq_ctx_activate(priv, 8);
782 iwl_txq_ctx_activate(priv, 9);
784 spin_unlock_irqrestore(&priv->lock, flags);
787 iwl5000_send_wimax_coex(priv);
789 iwl5000_set_Xtal_calib(priv);
790 iwl_send_calib_results(priv);
795 static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
797 if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
798 (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
800 "invalid queues_num, should be between %d and %d\n",
801 IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
805 priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
806 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
807 priv->hw_params.scd_bc_tbls_size =
808 IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
809 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
810 priv->hw_params.max_stations = IWL5000_STATION_COUNT;
811 priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
813 switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
814 case CSR_HW_REV_TYPE_6x00:
815 case CSR_HW_REV_TYPE_6x50:
816 priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
817 priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
820 priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
821 priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
824 priv->hw_params.max_bsm_size = 0;
825 priv->hw_params.fat_channel = BIT(IEEE80211_BAND_2GHZ) |
826 BIT(IEEE80211_BAND_5GHZ);
827 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
829 priv->hw_params.sens = &iwl5000_sensitivity;
831 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
832 priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
833 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
834 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
836 if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
837 priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
839 /* Set initial calibration set */
840 switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
841 case CSR_HW_REV_TYPE_5150:
842 priv->hw_params.calib_init_cfg =
845 BIT(IWL_CALIB_TX_IQ) |
846 BIT(IWL_CALIB_BASE_BAND);
850 priv->hw_params.calib_init_cfg =
851 BIT(IWL_CALIB_XTAL) |
853 BIT(IWL_CALIB_TX_IQ) |
854 BIT(IWL_CALIB_TX_IQ_PERD) |
855 BIT(IWL_CALIB_BASE_BAND);
863 * iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
865 static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
866 struct iwl_tx_queue *txq,
869 struct iwl5000_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
870 int write_ptr = txq->q.write_ptr;
871 int txq_id = txq->q.id;
874 u16 len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;
877 WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX);
879 if (txq_id != IWL_CMD_QUEUE_NUM) {
880 sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
881 sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
883 switch (sec_ctl & TX_CMD_SEC_MSK) {
887 case TX_CMD_SEC_TKIP:
891 len += WEP_IV_LEN + WEP_ICV_LEN;
896 bc_ent = cpu_to_le16((len & 0xFFF) | (sta_id << 12));
898 scd_bc_tbl[txq_id].tfd_offset[write_ptr] = bc_ent;
900 if (txq->q.write_ptr < TFD_QUEUE_SIZE_BC_DUP)
902 tfd_offset[TFD_QUEUE_SIZE_MAX + write_ptr] = bc_ent;
905 static void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
906 struct iwl_tx_queue *txq)
908 struct iwl5000_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
909 int txq_id = txq->q.id;
910 int read_ptr = txq->q.read_ptr;
914 WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX);
916 if (txq_id != IWL_CMD_QUEUE_NUM)
917 sta_id = txq->cmd[read_ptr]->cmd.tx.sta_id;
919 bc_ent = cpu_to_le16(1 | (sta_id << 12));
920 scd_bc_tbl[txq_id].tfd_offset[read_ptr] = bc_ent;
922 if (txq->q.write_ptr < TFD_QUEUE_SIZE_BC_DUP)
924 tfd_offset[TFD_QUEUE_SIZE_MAX + read_ptr] = bc_ent;
927 static int iwl5000_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid,
934 scd_q2ratid = ra_tid & IWL_SCD_QUEUE_RA_TID_MAP_RATID_MSK;
936 tbl_dw_addr = priv->scd_base_addr +
937 IWL50_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id);
939 tbl_dw = iwl_read_targ_mem(priv, tbl_dw_addr);
942 tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF);
944 tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000);
946 iwl_write_targ_mem(priv, tbl_dw_addr, tbl_dw);
950 static void iwl5000_tx_queue_stop_scheduler(struct iwl_priv *priv, u16 txq_id)
952 /* Simply stop the queue, but don't change any configuration;
953 * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
955 IWL50_SCD_QUEUE_STATUS_BITS(txq_id),
956 (0 << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE)|
957 (1 << IWL50_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
960 static int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
961 int tx_fifo, int sta_id, int tid, u16 ssn_idx)
966 if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
967 (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
969 "queue number out of range: %d, must be %d to %d\n",
970 txq_id, IWL50_FIRST_AMPDU_QUEUE,
971 IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
975 ra_tid = BUILD_RAxTID(sta_id, tid);
977 /* Modify device's station table to Tx this TID */
978 iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
980 spin_lock_irqsave(&priv->lock, flags);
982 /* Stop this Tx queue before configuring it */
983 iwl5000_tx_queue_stop_scheduler(priv, txq_id);
985 /* Map receiver-address / traffic-ID to this queue */
986 iwl5000_tx_queue_set_q2ratid(priv, ra_tid, txq_id);
988 /* Set this queue as a chain-building queue */
989 iwl_set_bits_prph(priv, IWL50_SCD_QUEUECHAIN_SEL, (1<<txq_id));
991 /* enable aggregations for the queue */
992 iwl_set_bits_prph(priv, IWL50_SCD_AGGR_SEL, (1<<txq_id));
994 /* Place first TFD at index corresponding to start sequence number.
995 * Assumes that ssn_idx is valid (!= 0xFFF) */
996 priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
997 priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
998 iwl5000_set_wr_ptrs(priv, txq_id, ssn_idx);
1000 /* Set up Tx window size and frame limit for this queue */
1001 iwl_write_targ_mem(priv, priv->scd_base_addr +
1002 IWL50_SCD_CONTEXT_QUEUE_OFFSET(txq_id) +
1005 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
1006 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
1007 ((SCD_FRAME_LIMIT <<
1008 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
1009 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
1011 iwl_set_bits_prph(priv, IWL50_SCD_INTERRUPT_MASK, (1 << txq_id));
1013 /* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
1014 iwl5000_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 1);
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)
1024 if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
1025 (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
1027 "queue number out of range: %d, must be %d to %d\n",
1028 txq_id, IWL50_FIRST_AMPDU_QUEUE,
1029 IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
1033 iwl5000_tx_queue_stop_scheduler(priv, txq_id);
1035 iwl_clear_bits_prph(priv, IWL50_SCD_AGGR_SEL, (1 << txq_id));
1037 priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
1038 priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
1039 /* supposes that ssn_idx is valid (!= 0xFFF) */
1040 iwl5000_set_wr_ptrs(priv, txq_id, ssn_idx);
1042 iwl_clear_bits_prph(priv, IWL50_SCD_INTERRUPT_MASK, (1 << txq_id));
1043 iwl_txq_ctx_deactivate(priv, txq_id);
1044 iwl5000_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 0);
1049 u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
1051 u16 size = (u16)sizeof(struct iwl_addsta_cmd);
1052 struct iwl_addsta_cmd *addsta = (struct iwl_addsta_cmd *)data;
1053 memcpy(addsta, cmd, size);
1054 /* resrved in 5000 */
1055 addsta->rate_n_flags = cpu_to_le16(0);
1061 * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
1062 * must be called under priv->lock and mac access
1064 static void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask)
1066 iwl_write_prph(priv, IWL50_SCD_TXFACT, mask);
1070 static inline u32 iwl5000_get_scd_ssn(struct iwl5000_tx_resp *tx_resp)
1072 return le32_to_cpup((__le32 *)&tx_resp->status +
1073 tx_resp->frame_count) & MAX_SN;
1076 static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
1077 struct iwl_ht_agg *agg,
1078 struct iwl5000_tx_resp *tx_resp,
1079 int txq_id, u16 start_idx)
1082 struct agg_tx_status *frame_status = &tx_resp->status;
1083 struct ieee80211_tx_info *info = NULL;
1084 struct ieee80211_hdr *hdr = NULL;
1085 u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
1089 if (agg->wait_for_ba)
1090 IWL_DEBUG_TX_REPLY(priv, "got tx response w/o block-ack\n");
1092 agg->frame_count = tx_resp->frame_count;
1093 agg->start_idx = start_idx;
1094 agg->rate_n_flags = rate_n_flags;
1097 /* # frames attempted by Tx command */
1098 if (agg->frame_count == 1) {
1099 /* Only one frame was attempted; no block-ack will arrive */
1100 status = le16_to_cpu(frame_status[0].status);
1103 /* FIXME: code repetition */
1104 IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, StartIdx=%d idx=%d\n",
1105 agg->frame_count, agg->start_idx, idx);
1107 info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
1108 info->status.rates[0].count = tx_resp->failure_frame + 1;
1109 info->flags &= ~IEEE80211_TX_CTL_AMPDU;
1110 info->flags |= iwl_is_tx_success(status) ?
1111 IEEE80211_TX_STAT_ACK : 0;
1112 iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
1114 /* FIXME: code repetition end */
1116 IWL_DEBUG_TX_REPLY(priv, "1 Frame 0x%x failure :%d\n",
1117 status & 0xff, tx_resp->failure_frame);
1118 IWL_DEBUG_TX_REPLY(priv, "Rate Info rate_n_flags=%x\n", rate_n_flags);
1120 agg->wait_for_ba = 0;
1122 /* Two or more frames were attempted; expect block-ack */
1124 int start = agg->start_idx;
1126 /* Construct bit-map of pending frames within Tx window */
1127 for (i = 0; i < agg->frame_count; i++) {
1129 status = le16_to_cpu(frame_status[i].status);
1130 seq = le16_to_cpu(frame_status[i].sequence);
1131 idx = SEQ_TO_INDEX(seq);
1132 txq_id = SEQ_TO_QUEUE(seq);
1134 if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
1135 AGG_TX_STATE_ABORT_MSK))
1138 IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, txq_id=%d idx=%d\n",
1139 agg->frame_count, txq_id, idx);
1141 hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx);
1143 sc = le16_to_cpu(hdr->seq_ctrl);
1144 if (idx != (SEQ_TO_SN(sc) & 0xff)) {
1146 "BUG_ON idx doesn't match seq control"
1147 " idx=%d, seq_idx=%d, seq=%d\n",
1153 IWL_DEBUG_TX_REPLY(priv, "AGG Frame i=%d idx %d seq=%d\n",
1154 i, idx, SEQ_TO_SN(sc));
1158 sh = (start - idx) + 0xff;
1159 bitmap = bitmap << sh;
1162 } else if (sh < -64)
1163 sh = 0xff - (start - idx);
1167 bitmap = bitmap << sh;
1170 bitmap |= 1ULL << sh;
1171 IWL_DEBUG_TX_REPLY(priv, "start=%d bitmap=0x%llx\n",
1172 start, (unsigned long long)bitmap);
1175 agg->bitmap = bitmap;
1176 agg->start_idx = start;
1177 IWL_DEBUG_TX_REPLY(priv, "Frames %d start_idx=%d bitmap=0x%llx\n",
1178 agg->frame_count, agg->start_idx,
1179 (unsigned long long)agg->bitmap);
1182 agg->wait_for_ba = 1;
1187 static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
1188 struct iwl_rx_mem_buffer *rxb)
1190 struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
1191 u16 sequence = le16_to_cpu(pkt->hdr.sequence);
1192 int txq_id = SEQ_TO_QUEUE(sequence);
1193 int index = SEQ_TO_INDEX(sequence);
1194 struct iwl_tx_queue *txq = &priv->txq[txq_id];
1195 struct ieee80211_tx_info *info;
1196 struct iwl5000_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
1197 u32 status = le16_to_cpu(tx_resp->status.status);
1202 if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
1203 IWL_ERR(priv, "Read index for DMA queue txq_id (%d) index %d "
1204 "is out of range [0-%d] %d %d\n", txq_id,
1205 index, txq->q.n_bd, txq->q.write_ptr,
1210 info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
1211 memset(&info->status, 0, sizeof(info->status));
1213 tid = (tx_resp->ra_tid & IWL50_TX_RES_TID_MSK) >> IWL50_TX_RES_TID_POS;
1214 sta_id = (tx_resp->ra_tid & IWL50_TX_RES_RA_MSK) >> IWL50_TX_RES_RA_POS;
1216 if (txq->sched_retry) {
1217 const u32 scd_ssn = iwl5000_get_scd_ssn(tx_resp);
1218 struct iwl_ht_agg *agg = NULL;
1220 agg = &priv->stations[sta_id].tid[tid].agg;
1222 iwl5000_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
1224 /* check if BAR is needed */
1225 if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
1226 info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
1228 if (txq->q.read_ptr != (scd_ssn & 0xff)) {
1229 index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd);
1230 IWL_DEBUG_TX_REPLY(priv, "Retry scheduler reclaim "
1231 "scd_ssn=%d idx=%d txq=%d swq=%d\n",
1232 scd_ssn , index, txq_id, txq->swq_id);
1234 freed = iwl_tx_queue_reclaim(priv, txq_id, index);
1235 priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
1237 if (priv->mac80211_registered &&
1238 (iwl_queue_space(&txq->q) > txq->q.low_mark) &&
1239 (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
1240 if (agg->state == IWL_AGG_OFF)
1241 iwl_wake_queue(priv, txq_id);
1243 iwl_wake_queue(priv, txq->swq_id);
1247 BUG_ON(txq_id != txq->swq_id);
1249 info->status.rates[0].count = tx_resp->failure_frame + 1;
1250 info->flags |= iwl_is_tx_success(status) ?
1251 IEEE80211_TX_STAT_ACK : 0;
1252 iwl_hwrate_to_tx_control(priv,
1253 le32_to_cpu(tx_resp->rate_n_flags),
1256 IWL_DEBUG_TX_REPLY(priv, "TXQ %d status %s (0x%08x) rate_n_flags "
1257 "0x%x retries %d\n",
1259 iwl_get_tx_fail_reason(status), status,
1260 le32_to_cpu(tx_resp->rate_n_flags),
1261 tx_resp->failure_frame);
1263 freed = iwl_tx_queue_reclaim(priv, txq_id, index);
1264 if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
1265 priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
1267 if (priv->mac80211_registered &&
1268 (iwl_queue_space(&txq->q) > txq->q.low_mark))
1269 iwl_wake_queue(priv, txq_id);
1272 if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
1273 iwl_txq_check_empty(priv, sta_id, tid, txq_id);
1275 if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
1276 IWL_ERR(priv, "TODO: Implement Tx ABORT REQUIRED!!!\n");
1279 /* Currently 5000 is the superset of everything */
1280 u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len)
1285 static void iwl5000_setup_deferred_work(struct iwl_priv *priv)
1287 /* in 5000 the tx power calibration is done in uCode */
1288 priv->disable_tx_power_cal = 1;
1291 static void iwl5000_rx_handler_setup(struct iwl_priv *priv)
1293 /* init calibration handlers */
1294 priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] =
1295 iwl5000_rx_calib_result;
1296 priv->rx_handlers[CALIBRATION_COMPLETE_NOTIFICATION] =
1297 iwl5000_rx_calib_complete;
1298 priv->rx_handlers[REPLY_TX] = iwl5000_rx_reply_tx;
1302 static int iwl5000_hw_valid_rtc_data_addr(u32 addr)
1304 return (addr >= IWL50_RTC_DATA_LOWER_BOUND) &&
1305 (addr < IWL50_RTC_DATA_UPPER_BOUND);
1308 static int iwl5000_send_rxon_assoc(struct iwl_priv *priv)
1311 struct iwl5000_rxon_assoc_cmd rxon_assoc;
1312 const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
1313 const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
1315 if ((rxon1->flags == rxon2->flags) &&
1316 (rxon1->filter_flags == rxon2->filter_flags) &&
1317 (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
1318 (rxon1->ofdm_ht_single_stream_basic_rates ==
1319 rxon2->ofdm_ht_single_stream_basic_rates) &&
1320 (rxon1->ofdm_ht_dual_stream_basic_rates ==
1321 rxon2->ofdm_ht_dual_stream_basic_rates) &&
1322 (rxon1->ofdm_ht_triple_stream_basic_rates ==
1323 rxon2->ofdm_ht_triple_stream_basic_rates) &&
1324 (rxon1->acquisition_data == rxon2->acquisition_data) &&
1325 (rxon1->rx_chain == rxon2->rx_chain) &&
1326 (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
1327 IWL_DEBUG_INFO(priv, "Using current RXON_ASSOC. Not resending.\n");
1331 rxon_assoc.flags = priv->staging_rxon.flags;
1332 rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
1333 rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
1334 rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
1335 rxon_assoc.reserved1 = 0;
1336 rxon_assoc.reserved2 = 0;
1337 rxon_assoc.reserved3 = 0;
1338 rxon_assoc.ofdm_ht_single_stream_basic_rates =
1339 priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
1340 rxon_assoc.ofdm_ht_dual_stream_basic_rates =
1341 priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
1342 rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
1343 rxon_assoc.ofdm_ht_triple_stream_basic_rates =
1344 priv->staging_rxon.ofdm_ht_triple_stream_basic_rates;
1345 rxon_assoc.acquisition_data = priv->staging_rxon.acquisition_data;
1347 ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
1348 sizeof(rxon_assoc), &rxon_assoc, NULL);
1354 static int iwl5000_send_tx_power(struct iwl_priv *priv)
1356 struct iwl5000_tx_power_dbm_cmd tx_power_cmd;
1359 /* half dBm need to multiply */
1360 tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
1361 tx_power_cmd.flags = IWL50_TX_POWER_NO_CLOSED;
1362 tx_power_cmd.srv_chan_lmt = IWL50_TX_POWER_AUTO;
1364 if (IWL_UCODE_API(priv->ucode_ver) == 1)
1365 tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD_V1;
1367 tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD;
1369 return iwl_send_cmd_pdu_async(priv, tx_ant_cfg_cmd,
1370 sizeof(tx_power_cmd), &tx_power_cmd,
1374 static void iwl5000_temperature(struct iwl_priv *priv)
1376 /* store temperature from statistics (in Celsius) */
1377 priv->temperature = le32_to_cpu(priv->statistics.general.temperature);
1380 static void iwl5150_temperature(struct iwl_priv *priv)
1383 s32 offset = iwl_temp_calib_to_offset(priv);
1385 vt = le32_to_cpu(priv->statistics.general.temperature);
1386 vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
1387 /* now vt hold the temperature in Kelvin */
1388 priv->temperature = KELVIN_TO_CELSIUS(vt);
1391 /* Calc max signal level (dBm) among 3 possible receivers */
1392 int iwl5000_calc_rssi(struct iwl_priv *priv,
1393 struct iwl_rx_phy_res *rx_resp)
1395 /* data from PHY/DSP regarding signal strength, etc.,
1396 * contents are always there, not configurable by host
1398 struct iwl5000_non_cfg_phy *ncphy =
1399 (struct iwl5000_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
1400 u32 val, rssi_a, rssi_b, rssi_c, max_rssi;
1403 val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_AGC_IDX]);
1404 agc = (val & IWL50_OFDM_AGC_MSK) >> IWL50_OFDM_AGC_BIT_POS;
1406 /* Find max rssi among 3 possible receivers.
1407 * These values are measured by the digital signal processor (DSP).
1408 * They should stay fairly constant even as the signal strength varies,
1409 * if the radio's automatic gain control (AGC) is working right.
1410 * AGC value (see below) will provide the "interesting" info.
1412 val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_AB_IDX]);
1413 rssi_a = (val & IWL50_OFDM_RSSI_A_MSK) >> IWL50_OFDM_RSSI_A_BIT_POS;
1414 rssi_b = (val & IWL50_OFDM_RSSI_B_MSK) >> IWL50_OFDM_RSSI_B_BIT_POS;
1415 val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_C_IDX]);
1416 rssi_c = (val & IWL50_OFDM_RSSI_C_MSK) >> IWL50_OFDM_RSSI_C_BIT_POS;
1418 max_rssi = max_t(u32, rssi_a, rssi_b);
1419 max_rssi = max_t(u32, max_rssi, rssi_c);
1421 IWL_DEBUG_STATS(priv, "Rssi In A %d B %d C %d Max %d AGC dB %d\n",
1422 rssi_a, rssi_b, rssi_c, max_rssi, agc);
1424 /* dBm = max_rssi dB - agc dB - constant.
1425 * Higher AGC (higher radio gain) means lower signal. */
1426 return max_rssi - agc - IWL49_RSSI_OFFSET;
1429 struct iwl_hcmd_ops iwl5000_hcmd = {
1430 .rxon_assoc = iwl5000_send_rxon_assoc,
1431 .commit_rxon = iwl_commit_rxon,
1432 .set_rxon_chain = iwl_set_rxon_chain,
1435 struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
1436 .get_hcmd_size = iwl5000_get_hcmd_size,
1437 .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
1438 .gain_computation = iwl5000_gain_computation,
1439 .chain_noise_reset = iwl5000_chain_noise_reset,
1440 .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
1441 .calc_rssi = iwl5000_calc_rssi,
1444 struct iwl_lib_ops iwl5000_lib = {
1445 .set_hw_params = iwl5000_hw_set_hw_params,
1446 .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
1447 .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
1448 .txq_set_sched = iwl5000_txq_set_sched,
1449 .txq_agg_enable = iwl5000_txq_agg_enable,
1450 .txq_agg_disable = iwl5000_txq_agg_disable,
1451 .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
1452 .txq_free_tfd = iwl_hw_txq_free_tfd,
1453 .txq_init = iwl_hw_tx_queue_init,
1454 .rx_handler_setup = iwl5000_rx_handler_setup,
1455 .setup_deferred_work = iwl5000_setup_deferred_work,
1456 .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
1457 .load_ucode = iwl5000_load_ucode,
1458 .init_alive_start = iwl5000_init_alive_start,
1459 .alive_notify = iwl5000_alive_notify,
1460 .send_tx_power = iwl5000_send_tx_power,
1461 .update_chain_flags = iwl_update_chain_flags,
1463 .init = iwl5000_apm_init,
1464 .reset = iwl5000_apm_reset,
1465 .stop = iwl5000_apm_stop,
1466 .config = iwl5000_nic_config,
1467 .set_pwr_src = iwl_set_pwr_src,
1470 .regulatory_bands = {
1471 EEPROM_5000_REG_BAND_1_CHANNELS,
1472 EEPROM_5000_REG_BAND_2_CHANNELS,
1473 EEPROM_5000_REG_BAND_3_CHANNELS,
1474 EEPROM_5000_REG_BAND_4_CHANNELS,
1475 EEPROM_5000_REG_BAND_5_CHANNELS,
1476 EEPROM_5000_REG_BAND_24_FAT_CHANNELS,
1477 EEPROM_5000_REG_BAND_52_FAT_CHANNELS
1479 .verify_signature = iwlcore_eeprom_verify_signature,
1480 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
1481 .release_semaphore = iwlcore_eeprom_release_semaphore,
1482 .calib_version = iwl5000_eeprom_calib_version,
1483 .query_addr = iwl5000_eeprom_query_addr,
1485 .post_associate = iwl_post_associate,
1487 .config_ap = iwl_config_ap,
1489 .temperature = iwl5000_temperature,
1490 .set_ct_kill = iwl5000_set_ct_threshold,
1494 static struct iwl_lib_ops iwl5150_lib = {
1495 .set_hw_params = iwl5000_hw_set_hw_params,
1496 .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
1497 .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
1498 .txq_set_sched = iwl5000_txq_set_sched,
1499 .txq_agg_enable = iwl5000_txq_agg_enable,
1500 .txq_agg_disable = iwl5000_txq_agg_disable,
1501 .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
1502 .txq_free_tfd = iwl_hw_txq_free_tfd,
1503 .txq_init = iwl_hw_tx_queue_init,
1504 .rx_handler_setup = iwl5000_rx_handler_setup,
1505 .setup_deferred_work = iwl5000_setup_deferred_work,
1506 .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
1507 .load_ucode = iwl5000_load_ucode,
1508 .init_alive_start = iwl5000_init_alive_start,
1509 .alive_notify = iwl5000_alive_notify,
1510 .send_tx_power = iwl5000_send_tx_power,
1511 .update_chain_flags = iwl_update_chain_flags,
1513 .init = iwl5000_apm_init,
1514 .reset = iwl5000_apm_reset,
1515 .stop = iwl5000_apm_stop,
1516 .config = iwl5000_nic_config,
1517 .set_pwr_src = iwl_set_pwr_src,
1520 .regulatory_bands = {
1521 EEPROM_5000_REG_BAND_1_CHANNELS,
1522 EEPROM_5000_REG_BAND_2_CHANNELS,
1523 EEPROM_5000_REG_BAND_3_CHANNELS,
1524 EEPROM_5000_REG_BAND_4_CHANNELS,
1525 EEPROM_5000_REG_BAND_5_CHANNELS,
1526 EEPROM_5000_REG_BAND_24_FAT_CHANNELS,
1527 EEPROM_5000_REG_BAND_52_FAT_CHANNELS
1529 .verify_signature = iwlcore_eeprom_verify_signature,
1530 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
1531 .release_semaphore = iwlcore_eeprom_release_semaphore,
1532 .calib_version = iwl5000_eeprom_calib_version,
1533 .query_addr = iwl5000_eeprom_query_addr,
1535 .post_associate = iwl_post_associate,
1537 .config_ap = iwl_config_ap,
1539 .temperature = iwl5150_temperature,
1540 .set_ct_kill = iwl5150_set_ct_threshold,
1544 struct iwl_ops iwl5000_ops = {
1545 .lib = &iwl5000_lib,
1546 .hcmd = &iwl5000_hcmd,
1547 .utils = &iwl5000_hcmd_utils,
1550 static struct iwl_ops iwl5150_ops = {
1551 .lib = &iwl5150_lib,
1552 .hcmd = &iwl5000_hcmd,
1553 .utils = &iwl5000_hcmd_utils,
1556 struct iwl_mod_params iwl50_mod_params = {
1557 .num_of_queues = IWL50_NUM_QUEUES,
1558 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
1561 /* the rest are 0 by default */
1565 struct iwl_cfg iwl5300_agn_cfg = {
1567 .fw_name_pre = IWL5000_FW_PRE,
1568 .ucode_api_max = IWL5000_UCODE_API_MAX,
1569 .ucode_api_min = IWL5000_UCODE_API_MIN,
1570 .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1571 .ops = &iwl5000_ops,
1572 .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1573 .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1574 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1575 .mod_params = &iwl50_mod_params,
1576 .valid_tx_ant = ANT_ABC,
1577 .valid_rx_ant = ANT_ABC,
1578 .need_pll_cfg = true,
1581 struct iwl_cfg iwl5100_bg_cfg = {
1583 .fw_name_pre = IWL5000_FW_PRE,
1584 .ucode_api_max = IWL5000_UCODE_API_MAX,
1585 .ucode_api_min = IWL5000_UCODE_API_MIN,
1587 .ops = &iwl5000_ops,
1588 .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1589 .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1590 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1591 .mod_params = &iwl50_mod_params,
1592 .valid_tx_ant = ANT_B,
1593 .valid_rx_ant = ANT_AB,
1594 .need_pll_cfg = true,
1597 struct iwl_cfg iwl5100_abg_cfg = {
1599 .fw_name_pre = IWL5000_FW_PRE,
1600 .ucode_api_max = IWL5000_UCODE_API_MAX,
1601 .ucode_api_min = IWL5000_UCODE_API_MIN,
1602 .sku = IWL_SKU_A|IWL_SKU_G,
1603 .ops = &iwl5000_ops,
1604 .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1605 .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1606 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1607 .mod_params = &iwl50_mod_params,
1608 .valid_tx_ant = ANT_B,
1609 .valid_rx_ant = ANT_AB,
1610 .need_pll_cfg = true,
1613 struct iwl_cfg iwl5100_agn_cfg = {
1615 .fw_name_pre = IWL5000_FW_PRE,
1616 .ucode_api_max = IWL5000_UCODE_API_MAX,
1617 .ucode_api_min = IWL5000_UCODE_API_MIN,
1618 .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1619 .ops = &iwl5000_ops,
1620 .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1621 .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1622 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1623 .mod_params = &iwl50_mod_params,
1624 .valid_tx_ant = ANT_B,
1625 .valid_rx_ant = ANT_AB,
1626 .need_pll_cfg = true,
1629 struct iwl_cfg iwl5350_agn_cfg = {
1631 .fw_name_pre = IWL5000_FW_PRE,
1632 .ucode_api_max = IWL5000_UCODE_API_MAX,
1633 .ucode_api_min = IWL5000_UCODE_API_MIN,
1634 .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1635 .ops = &iwl5000_ops,
1636 .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1637 .eeprom_ver = EEPROM_5050_EEPROM_VERSION,
1638 .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
1639 .mod_params = &iwl50_mod_params,
1640 .valid_tx_ant = ANT_ABC,
1641 .valid_rx_ant = ANT_ABC,
1642 .need_pll_cfg = true,
1645 struct iwl_cfg iwl5150_agn_cfg = {
1647 .fw_name_pre = IWL5150_FW_PRE,
1648 .ucode_api_max = IWL5150_UCODE_API_MAX,
1649 .ucode_api_min = IWL5150_UCODE_API_MIN,
1650 .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1651 .ops = &iwl5150_ops,
1652 .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1653 .eeprom_ver = EEPROM_5050_EEPROM_VERSION,
1654 .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
1655 .mod_params = &iwl50_mod_params,
1656 .valid_tx_ant = ANT_A,
1657 .valid_rx_ant = ANT_AB,
1658 .need_pll_cfg = true,
1661 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
1662 MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
1664 module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
1665 MODULE_PARM_DESC(swcrypto50,
1666 "using software crypto engine (default 0 [hardware])\n");
1667 module_param_named(debug50, iwl50_mod_params.debug, uint, 0444);
1668 MODULE_PARM_DESC(debug50, "50XX debug output mask");
1669 module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
1670 MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
1671 module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, 0444);
1672 MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality");
1673 module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
1674 MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
1675 module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, 0444);
1676 MODULE_PARM_DESC(fw_restart50, "restart firmware in case of error");