iwl-5000.c revision 7100e924661cc23609de8e7ab9fc3a13e0173891
1/******************************************************************************
2 *
3 * Copyright(c) 2007-2008 Intel Corporation. All rights reserved.
4 *
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.
8 *
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
12 * more details.
13 *
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
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
23 *
24 *****************************************************************************/
25
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>
38
39#include "iwl-eeprom.h"
40#include "iwl-dev.h"
41#include "iwl-core.h"
42#include "iwl-io.h"
43#include "iwl-sta.h"
44#include "iwl-helpers.h"
45#include "iwl-5000-hw.h"
46
47#define IWL5000_UCODE_API  "-1"
48#define IWL5150_UCODE_API  "-1"
49
50#define IWL5000_MODULE_FIRMWARE "iwlwifi-5000" IWL5000_UCODE_API ".ucode"
51#define IWL5150_MODULE_FIRMWARE "iwlwifi-5150" IWL5150_UCODE_API ".ucode"
52
53static const u16 iwl5000_default_queue_to_tx_fifo[] = {
54	IWL_TX_FIFO_AC3,
55	IWL_TX_FIFO_AC2,
56	IWL_TX_FIFO_AC1,
57	IWL_TX_FIFO_AC0,
58	IWL50_CMD_FIFO_NUM,
59	IWL_TX_FIFO_HCCA_1,
60	IWL_TX_FIFO_HCCA_2
61};
62
63/* FIXME: same implementation as 4965 */
64static int iwl5000_apm_stop_master(struct iwl_priv *priv)
65{
66	int ret = 0;
67	unsigned long flags;
68
69	spin_lock_irqsave(&priv->lock, flags);
70
71	/* set stop master bit */
72	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
73
74	ret = iwl_poll_bit(priv, CSR_RESET,
75				  CSR_RESET_REG_FLAG_MASTER_DISABLED,
76				  CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
77	if (ret < 0)
78		goto out;
79
80out:
81	spin_unlock_irqrestore(&priv->lock, flags);
82	IWL_DEBUG_INFO("stop master\n");
83
84	return ret;
85}
86
87
88static int iwl5000_apm_init(struct iwl_priv *priv)
89{
90	int ret = 0;
91
92	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
93		    CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
94
95	/* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
96	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
97		    CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
98
99	/* Set FH wait threshold to maximum (HW error during stress W/A) */
100	iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
101
102	/* enable HAP INTA to move device L1a -> L0s */
103	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
104		    CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
105
106	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
107
108	/* set "initialization complete" bit to move adapter
109	 * D0U* --> D0A* state */
110	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
111
112	/* wait for clock stabilization */
113	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
114			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
115			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
116	if (ret < 0) {
117		IWL_DEBUG_INFO("Failed to init the card\n");
118		return ret;
119	}
120
121	ret = iwl_grab_nic_access(priv);
122	if (ret)
123		return ret;
124
125	/* enable DMA */
126	iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
127
128	udelay(20);
129
130	/* disable L1-Active */
131	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
132			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
133
134	iwl_release_nic_access(priv);
135
136	return ret;
137}
138
139/* FIXME: this is identical to 4965 */
140static void iwl5000_apm_stop(struct iwl_priv *priv)
141{
142	unsigned long flags;
143
144	iwl5000_apm_stop_master(priv);
145
146	spin_lock_irqsave(&priv->lock, flags);
147
148	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
149
150	udelay(10);
151
152	/* clear "init complete"  move adapter D0A* --> D0U state */
153	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
154
155	spin_unlock_irqrestore(&priv->lock, flags);
156}
157
158
159static int iwl5000_apm_reset(struct iwl_priv *priv)
160{
161	int ret = 0;
162	unsigned long flags;
163
164	iwl5000_apm_stop_master(priv);
165
166	spin_lock_irqsave(&priv->lock, flags);
167
168	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
169
170	udelay(10);
171
172
173	/* FIXME: put here L1A -L0S w/a */
174
175	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
176
177	/* set "initialization complete" bit to move adapter
178	 * D0U* --> D0A* state */
179	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
180
181	/* wait for clock stabilization */
182	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
183			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
184			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
185	if (ret < 0) {
186		IWL_DEBUG_INFO("Failed to init the card\n");
187		goto out;
188	}
189
190	ret = iwl_grab_nic_access(priv);
191	if (ret)
192		goto out;
193
194	/* enable DMA */
195	iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
196
197	udelay(20);
198
199	/* disable L1-Active */
200	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
201			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
202
203	iwl_release_nic_access(priv);
204
205out:
206	spin_unlock_irqrestore(&priv->lock, flags);
207
208	return ret;
209}
210
211
212static void iwl5000_nic_config(struct iwl_priv *priv)
213{
214	unsigned long flags;
215	u16 radio_cfg;
216	u16 link;
217
218	spin_lock_irqsave(&priv->lock, flags);
219
220	pci_read_config_word(priv->pci_dev, PCI_CFG_LINK_CTRL, &link);
221
222	/* L1 is enabled by BIOS */
223	if ((link & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN)
224		/* disable L0S disabled L1A enabled */
225		iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
226	else
227		/* L0S enabled L1A disabled */
228		iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
229
230	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
231
232	/* write radio config values to register */
233	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_5000_RF_CFG_TYPE_MAX)
234		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
235			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
236			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
237			    EEPROM_RF_CFG_DASH_MSK(radio_cfg));
238
239	/* set CSR_HW_CONFIG_REG for uCode use */
240	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
241		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
242		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
243
244	/* W/A : NIC is stuck in a reset state after Early PCIe power off
245	 * (PCIe power is lost before PERST# is asserted),
246	 * causing ME FW to lose ownership and not being able to obtain it back.
247	 */
248	iwl_grab_nic_access(priv);
249	iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
250				APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
251				~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
252	iwl_release_nic_access(priv);
253
254	spin_unlock_irqrestore(&priv->lock, flags);
255}
256
257
258
259/*
260 * EEPROM
261 */
262static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address)
263{
264	u16 offset = 0;
265
266	if ((address & INDIRECT_ADDRESS) == 0)
267		return address;
268
269	switch (address & INDIRECT_TYPE_MSK) {
270	case INDIRECT_HOST:
271		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_HOST);
272		break;
273	case INDIRECT_GENERAL:
274		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_GENERAL);
275		break;
276	case INDIRECT_REGULATORY:
277		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_REGULATORY);
278		break;
279	case INDIRECT_CALIBRATION:
280		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_CALIBRATION);
281		break;
282	case INDIRECT_PROCESS_ADJST:
283		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_PROCESS_ADJST);
284		break;
285	case INDIRECT_OTHERS:
286		offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_OTHERS);
287		break;
288	default:
289		IWL_ERROR("illegal indirect type: 0x%X\n",
290		address & INDIRECT_TYPE_MSK);
291		break;
292	}
293
294	/* translate the offset from words to byte */
295	return (address & ADDRESS_MSK) + (offset << 1);
296}
297
298static u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv)
299{
300	struct iwl_eeprom_calib_hdr {
301		u8 version;
302		u8 pa_type;
303		u16 voltage;
304	} *hdr;
305
306	hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv,
307							EEPROM_5000_CALIB_ALL);
308	return hdr->version;
309
310}
311
312static void iwl5000_gain_computation(struct iwl_priv *priv,
313		u32 average_noise[NUM_RX_CHAINS],
314		u16 min_average_noise_antenna_i,
315		u32 min_average_noise)
316{
317	int i;
318	s32 delta_g;
319	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
320
321	/* Find Gain Code for the antennas B and C */
322	for (i = 1; i < NUM_RX_CHAINS; i++) {
323		if ((data->disconn_array[i])) {
324			data->delta_gain_code[i] = 0;
325			continue;
326		}
327		delta_g = (1000 * ((s32)average_noise[0] -
328			(s32)average_noise[i])) / 1500;
329		/* bound gain by 2 bits value max, 3rd bit is sign */
330		data->delta_gain_code[i] =
331			min(abs(delta_g), CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
332
333		if (delta_g < 0)
334			/* set negative sign */
335			data->delta_gain_code[i] |= (1 << 2);
336	}
337
338	IWL_DEBUG_CALIB("Delta gains: ANT_B = %d  ANT_C = %d\n",
339			data->delta_gain_code[1], data->delta_gain_code[2]);
340
341	if (!data->radio_write) {
342		struct iwl_calib_chain_noise_gain_cmd cmd;
343
344		memset(&cmd, 0, sizeof(cmd));
345
346		cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
347		cmd.hdr.first_group = 0;
348		cmd.hdr.groups_num = 1;
349		cmd.hdr.data_valid = 1;
350		cmd.delta_gain_1 = data->delta_gain_code[1];
351		cmd.delta_gain_2 = data->delta_gain_code[2];
352		iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
353			sizeof(cmd), &cmd, NULL);
354
355		data->radio_write = 1;
356		data->state = IWL_CHAIN_NOISE_CALIBRATED;
357	}
358
359	data->chain_noise_a = 0;
360	data->chain_noise_b = 0;
361	data->chain_noise_c = 0;
362	data->chain_signal_a = 0;
363	data->chain_signal_b = 0;
364	data->chain_signal_c = 0;
365	data->beacon_count = 0;
366}
367
368static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
369{
370	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
371	int ret;
372
373	if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
374		struct iwl_calib_chain_noise_reset_cmd cmd;
375		memset(&cmd, 0, sizeof(cmd));
376
377		cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
378		cmd.hdr.first_group = 0;
379		cmd.hdr.groups_num = 1;
380		cmd.hdr.data_valid = 1;
381		ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
382					sizeof(cmd), &cmd);
383		if (ret)
384			IWL_ERROR("Could not send REPLY_PHY_CALIBRATION_CMD\n");
385		data->state = IWL_CHAIN_NOISE_ACCUMULATE;
386		IWL_DEBUG_CALIB("Run chain_noise_calibrate\n");
387	}
388}
389
390static void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
391			__le32 *tx_flags)
392{
393	if ((info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
394	    (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
395		*tx_flags |= TX_CMD_FLG_RTS_CTS_MSK;
396	else
397		*tx_flags &= ~TX_CMD_FLG_RTS_CTS_MSK;
398}
399
400static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
401	.min_nrg_cck = 95,
402	.max_nrg_cck = 0,
403	.auto_corr_min_ofdm = 90,
404	.auto_corr_min_ofdm_mrc = 170,
405	.auto_corr_min_ofdm_x1 = 120,
406	.auto_corr_min_ofdm_mrc_x1 = 240,
407
408	.auto_corr_max_ofdm = 120,
409	.auto_corr_max_ofdm_mrc = 210,
410	.auto_corr_max_ofdm_x1 = 155,
411	.auto_corr_max_ofdm_mrc_x1 = 290,
412
413	.auto_corr_min_cck = 125,
414	.auto_corr_max_cck = 200,
415	.auto_corr_min_cck_mrc = 170,
416	.auto_corr_max_cck_mrc = 400,
417	.nrg_th_cck = 95,
418	.nrg_th_ofdm = 95,
419};
420
421static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
422					   size_t offset)
423{
424	u32 address = eeprom_indirect_address(priv, offset);
425	BUG_ON(address >= priv->cfg->eeprom_size);
426	return &priv->eeprom[address];
427}
428
429/*
430 *  Calibration
431 */
432static int iwl5000_set_Xtal_calib(struct iwl_priv *priv)
433{
434	struct iwl_calib_xtal_freq_cmd cmd;
435	u16 *xtal_calib = (u16 *)iwl_eeprom_query_addr(priv, EEPROM_5000_XTAL);
436
437	cmd.hdr.op_code = IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD;
438	cmd.hdr.first_group = 0;
439	cmd.hdr.groups_num = 1;
440	cmd.hdr.data_valid = 1;
441	cmd.cap_pin1 = (u8)xtal_calib[0];
442	cmd.cap_pin2 = (u8)xtal_calib[1];
443	return iwl_calib_set(&priv->calib_results[IWL_CALIB_XTAL],
444			     (u8 *)&cmd, sizeof(cmd));
445}
446
447static int iwl5000_send_calib_cfg(struct iwl_priv *priv)
448{
449	struct iwl_calib_cfg_cmd calib_cfg_cmd;
450	struct iwl_host_cmd cmd = {
451		.id = CALIBRATION_CFG_CMD,
452		.len = sizeof(struct iwl_calib_cfg_cmd),
453		.data = &calib_cfg_cmd,
454	};
455
456	memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
457	calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
458	calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
459	calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
460	calib_cfg_cmd.ucd_calib_cfg.flags = IWL_CALIB_INIT_CFG_ALL;
461
462	return iwl_send_cmd(priv, &cmd);
463}
464
465static void iwl5000_rx_calib_result(struct iwl_priv *priv,
466			     struct iwl_rx_mem_buffer *rxb)
467{
468	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
469	struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw;
470	int len = le32_to_cpu(pkt->len) & FH_RSCSR_FRAME_SIZE_MSK;
471	int index;
472
473	/* reduce the size of the length field itself */
474	len -= 4;
475
476	/* Define the order in which the results will be sent to the runtime
477	 * uCode. iwl_send_calib_results sends them in a row according to their
478	 * index. We sort them here */
479	switch (hdr->op_code) {
480	case IWL_PHY_CALIBRATE_LO_CMD:
481		index = IWL_CALIB_LO;
482		break;
483	case IWL_PHY_CALIBRATE_TX_IQ_CMD:
484		index = IWL_CALIB_TX_IQ;
485		break;
486	case IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD:
487		index = IWL_CALIB_TX_IQ_PERD;
488		break;
489	case IWL_PHY_CALIBRATE_BASE_BAND_CMD:
490		index = IWL_CALIB_BASE_BAND;
491		break;
492	default:
493		IWL_ERROR("Unknown calibration notification %d\n",
494			  hdr->op_code);
495		return;
496	}
497	iwl_calib_set(&priv->calib_results[index], pkt->u.raw, len);
498}
499
500static void iwl5000_rx_calib_complete(struct iwl_priv *priv,
501			       struct iwl_rx_mem_buffer *rxb)
502{
503	IWL_DEBUG_INFO("Init. calibration is completed, restarting fw.\n");
504	queue_work(priv->workqueue, &priv->restart);
505}
506
507/*
508 * ucode
509 */
510static int iwl5000_load_section(struct iwl_priv *priv,
511				struct fw_desc *image,
512				u32 dst_addr)
513{
514	int ret = 0;
515	unsigned long flags;
516
517	dma_addr_t phy_addr = image->p_addr;
518	u32 byte_cnt = image->len;
519
520	spin_lock_irqsave(&priv->lock, flags);
521	ret = iwl_grab_nic_access(priv);
522	if (ret) {
523		spin_unlock_irqrestore(&priv->lock, flags);
524		return ret;
525	}
526
527	iwl_write_direct32(priv,
528		FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
529		FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
530
531	iwl_write_direct32(priv,
532		FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
533
534	iwl_write_direct32(priv,
535		FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
536		phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
537
538	iwl_write_direct32(priv,
539		FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
540		(iwl_get_dma_hi_addr(phy_addr)
541			<< FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
542
543	iwl_write_direct32(priv,
544		FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
545		1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
546		1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
547		FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
548
549	iwl_write_direct32(priv,
550		FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
551		FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE	|
552		FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE	|
553		FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
554
555	iwl_release_nic_access(priv);
556	spin_unlock_irqrestore(&priv->lock, flags);
557	return 0;
558}
559
560static int iwl5000_load_given_ucode(struct iwl_priv *priv,
561		struct fw_desc *inst_image,
562		struct fw_desc *data_image)
563{
564	int ret = 0;
565
566	ret = iwl5000_load_section(priv, inst_image, RTC_INST_LOWER_BOUND);
567	if (ret)
568		return ret;
569
570	IWL_DEBUG_INFO("INST uCode section being loaded...\n");
571	ret = wait_event_interruptible_timeout(priv->wait_command_queue,
572					priv->ucode_write_complete, 5 * HZ);
573	if (ret == -ERESTARTSYS) {
574		IWL_ERROR("Could not load the INST uCode section due "
575			"to interrupt\n");
576		return ret;
577	}
578	if (!ret) {
579		IWL_ERROR("Could not load the INST uCode section\n");
580		return -ETIMEDOUT;
581	}
582
583	priv->ucode_write_complete = 0;
584
585	ret = iwl5000_load_section(
586		priv, data_image, RTC_DATA_LOWER_BOUND);
587	if (ret)
588		return ret;
589
590	IWL_DEBUG_INFO("DATA uCode section being loaded...\n");
591
592	ret = wait_event_interruptible_timeout(priv->wait_command_queue,
593				priv->ucode_write_complete, 5 * HZ);
594	if (ret == -ERESTARTSYS) {
595		IWL_ERROR("Could not load the INST uCode section due "
596			"to interrupt\n");
597		return ret;
598	} else if (!ret) {
599		IWL_ERROR("Could not load the DATA uCode section\n");
600		return -ETIMEDOUT;
601	} else
602		ret = 0;
603
604	priv->ucode_write_complete = 0;
605
606	return ret;
607}
608
609static int iwl5000_load_ucode(struct iwl_priv *priv)
610{
611	int ret = 0;
612
613	/* check whether init ucode should be loaded, or rather runtime ucode */
614	if (priv->ucode_init.len && (priv->ucode_type == UCODE_NONE)) {
615		IWL_DEBUG_INFO("Init ucode found. Loading init ucode...\n");
616		ret = iwl5000_load_given_ucode(priv,
617			&priv->ucode_init, &priv->ucode_init_data);
618		if (!ret) {
619			IWL_DEBUG_INFO("Init ucode load complete.\n");
620			priv->ucode_type = UCODE_INIT;
621		}
622	} else {
623		IWL_DEBUG_INFO("Init ucode not found, or already loaded. "
624			"Loading runtime ucode...\n");
625		ret = iwl5000_load_given_ucode(priv,
626			&priv->ucode_code, &priv->ucode_data);
627		if (!ret) {
628			IWL_DEBUG_INFO("Runtime ucode load complete.\n");
629			priv->ucode_type = UCODE_RT;
630		}
631	}
632
633	return ret;
634}
635
636static void iwl5000_init_alive_start(struct iwl_priv *priv)
637{
638	int ret = 0;
639
640	/* Check alive response for "valid" sign from uCode */
641	if (priv->card_alive_init.is_valid != UCODE_VALID_OK) {
642		/* We had an error bringing up the hardware, so take it
643		 * all the way back down so we can try again */
644		IWL_DEBUG_INFO("Initialize Alive failed.\n");
645		goto restart;
646	}
647
648	/* initialize uCode was loaded... verify inst image.
649	 * This is a paranoid check, because we would not have gotten the
650	 * "initialize" alive if code weren't properly loaded.  */
651	if (iwl_verify_ucode(priv)) {
652		/* Runtime instruction load was bad;
653		 * take it all the way back down so we can try again */
654		IWL_DEBUG_INFO("Bad \"initialize\" uCode load.\n");
655		goto restart;
656	}
657
658	iwl_clear_stations_table(priv);
659	ret = priv->cfg->ops->lib->alive_notify(priv);
660	if (ret) {
661		IWL_WARNING("Could not complete ALIVE transition: %d\n", ret);
662		goto restart;
663	}
664
665	iwl5000_send_calib_cfg(priv);
666	return;
667
668restart:
669	/* real restart (first load init_ucode) */
670	queue_work(priv->workqueue, &priv->restart);
671}
672
673static void iwl5000_set_wr_ptrs(struct iwl_priv *priv,
674				int txq_id, u32 index)
675{
676	iwl_write_direct32(priv, HBUS_TARG_WRPTR,
677			(index & 0xff) | (txq_id << 8));
678	iwl_write_prph(priv, IWL50_SCD_QUEUE_RDPTR(txq_id), index);
679}
680
681static void iwl5000_tx_queue_set_status(struct iwl_priv *priv,
682					struct iwl_tx_queue *txq,
683					int tx_fifo_id, int scd_retry)
684{
685	int txq_id = txq->q.id;
686	int active = test_bit(txq_id, &priv->txq_ctx_active_msk) ? 1 : 0;
687
688	iwl_write_prph(priv, IWL50_SCD_QUEUE_STATUS_BITS(txq_id),
689			(active << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
690			(tx_fifo_id << IWL50_SCD_QUEUE_STTS_REG_POS_TXF) |
691			(1 << IWL50_SCD_QUEUE_STTS_REG_POS_WSL) |
692			IWL50_SCD_QUEUE_STTS_REG_MSK);
693
694	txq->sched_retry = scd_retry;
695
696	IWL_DEBUG_INFO("%s %s Queue %d on AC %d\n",
697		       active ? "Activate" : "Deactivate",
698		       scd_retry ? "BA" : "AC", txq_id, tx_fifo_id);
699}
700
701static int iwl5000_send_wimax_coex(struct iwl_priv *priv)
702{
703	struct iwl_wimax_coex_cmd coex_cmd;
704
705	memset(&coex_cmd, 0, sizeof(coex_cmd));
706
707	return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
708				sizeof(coex_cmd), &coex_cmd);
709}
710
711static int iwl5000_alive_notify(struct iwl_priv *priv)
712{
713	u32 a;
714	unsigned long flags;
715	int ret;
716	int i, chan;
717	u32 reg_val;
718
719	spin_lock_irqsave(&priv->lock, flags);
720
721	ret = iwl_grab_nic_access(priv);
722	if (ret) {
723		spin_unlock_irqrestore(&priv->lock, flags);
724		return ret;
725	}
726
727	priv->scd_base_addr = iwl_read_prph(priv, IWL50_SCD_SRAM_BASE_ADDR);
728	a = priv->scd_base_addr + IWL50_SCD_CONTEXT_DATA_OFFSET;
729	for (; a < priv->scd_base_addr + IWL50_SCD_TX_STTS_BITMAP_OFFSET;
730		a += 4)
731		iwl_write_targ_mem(priv, a, 0);
732	for (; a < priv->scd_base_addr + IWL50_SCD_TRANSLATE_TBL_OFFSET;
733		a += 4)
734		iwl_write_targ_mem(priv, a, 0);
735	for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4)
736		iwl_write_targ_mem(priv, a, 0);
737
738	iwl_write_prph(priv, IWL50_SCD_DRAM_BASE_ADDR,
739		       priv->scd_bc_tbls.dma >> 10);
740
741	/* Enable DMA channel */
742	for (chan = 0; chan < FH50_TCSR_CHNL_NUM ; chan++)
743		iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
744				FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
745				FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE);
746
747	/* Update FH chicken bits */
748	reg_val = iwl_read_direct32(priv, FH_TX_CHICKEN_BITS_REG);
749	iwl_write_direct32(priv, FH_TX_CHICKEN_BITS_REG,
750			   reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN);
751
752	iwl_write_prph(priv, IWL50_SCD_QUEUECHAIN_SEL,
753		IWL50_SCD_QUEUECHAIN_SEL_ALL(priv->hw_params.max_txq_num));
754	iwl_write_prph(priv, IWL50_SCD_AGGR_SEL, 0);
755
756	/* initiate the queues */
757	for (i = 0; i < priv->hw_params.max_txq_num; i++) {
758		iwl_write_prph(priv, IWL50_SCD_QUEUE_RDPTR(i), 0);
759		iwl_write_direct32(priv, HBUS_TARG_WRPTR, 0 | (i << 8));
760		iwl_write_targ_mem(priv, priv->scd_base_addr +
761				IWL50_SCD_CONTEXT_QUEUE_OFFSET(i), 0);
762		iwl_write_targ_mem(priv, priv->scd_base_addr +
763				IWL50_SCD_CONTEXT_QUEUE_OFFSET(i) +
764				sizeof(u32),
765				((SCD_WIN_SIZE <<
766				IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
767				IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
768				((SCD_FRAME_LIMIT <<
769				IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
770				IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
771	}
772
773	iwl_write_prph(priv, IWL50_SCD_INTERRUPT_MASK,
774			IWL_MASK(0, priv->hw_params.max_txq_num));
775
776	/* Activate all Tx DMA/FIFO channels */
777	priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
778
779	iwl5000_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
780
781	/* map qos queues to fifos one-to-one */
782	for (i = 0; i < ARRAY_SIZE(iwl5000_default_queue_to_tx_fifo); i++) {
783		int ac = iwl5000_default_queue_to_tx_fifo[i];
784		iwl_txq_ctx_activate(priv, i);
785		iwl5000_tx_queue_set_status(priv, &priv->txq[i], ac, 0);
786	}
787	/* TODO - need to initialize those FIFOs inside the loop above,
788	 * not only mark them as active */
789	iwl_txq_ctx_activate(priv, 4);
790	iwl_txq_ctx_activate(priv, 7);
791	iwl_txq_ctx_activate(priv, 8);
792	iwl_txq_ctx_activate(priv, 9);
793
794	iwl_release_nic_access(priv);
795	spin_unlock_irqrestore(&priv->lock, flags);
796
797
798	iwl5000_send_wimax_coex(priv);
799
800	iwl5000_set_Xtal_calib(priv);
801	iwl_send_calib_results(priv);
802
803	return 0;
804}
805
806static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
807{
808	if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
809	    (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
810		IWL_ERROR("invalid queues_num, should be between %d and %d\n",
811			  IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
812		return -EINVAL;
813	}
814
815	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
816	priv->hw_params.scd_bc_tbls_size =
817			IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
818	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
819	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
820	priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
821	priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
822	priv->hw_params.max_bsm_size = 0;
823	priv->hw_params.fat_channel =  BIT(IEEE80211_BAND_2GHZ) |
824					BIT(IEEE80211_BAND_5GHZ);
825	priv->hw_params.sens = &iwl5000_sensitivity;
826
827	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
828	case CSR_HW_REV_TYPE_5100:
829		priv->hw_params.tx_chains_num = 1;
830		priv->hw_params.rx_chains_num = 2;
831		priv->hw_params.valid_tx_ant = ANT_B;
832		priv->hw_params.valid_rx_ant = ANT_AB;
833		break;
834	case CSR_HW_REV_TYPE_5150:
835		priv->hw_params.tx_chains_num = 1;
836		priv->hw_params.rx_chains_num = 2;
837		priv->hw_params.valid_tx_ant = ANT_A;
838		priv->hw_params.valid_rx_ant = ANT_AB;
839		break;
840	case CSR_HW_REV_TYPE_5300:
841	case CSR_HW_REV_TYPE_5350:
842		priv->hw_params.tx_chains_num = 3;
843		priv->hw_params.rx_chains_num = 3;
844		priv->hw_params.valid_tx_ant = ANT_ABC;
845		priv->hw_params.valid_rx_ant = ANT_ABC;
846		break;
847	}
848
849	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
850	case CSR_HW_REV_TYPE_5100:
851	case CSR_HW_REV_TYPE_5300:
852	case CSR_HW_REV_TYPE_5350:
853		/* 5X00 and 5350 wants in Celsius */
854		priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
855		break;
856	case CSR_HW_REV_TYPE_5150:
857		/* 5150 wants in Kelvin */
858		priv->hw_params.ct_kill_threshold =
859				CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD);
860		break;
861	}
862
863	/* Set initial calibration set */
864	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
865	case CSR_HW_REV_TYPE_5100:
866	case CSR_HW_REV_TYPE_5300:
867	case CSR_HW_REV_TYPE_5350:
868		priv->hw_params.calib_init_cfg =
869			BIT(IWL_CALIB_XTAL)		|
870			BIT(IWL_CALIB_LO)		|
871			BIT(IWL_CALIB_TX_IQ) 		|
872			BIT(IWL_CALIB_TX_IQ_PERD)	|
873			BIT(IWL_CALIB_BASE_BAND);
874		break;
875	case CSR_HW_REV_TYPE_5150:
876		priv->hw_params.calib_init_cfg = 0;
877		break;
878	}
879
880
881	return 0;
882}
883
884/**
885 * iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
886 */
887static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
888					    struct iwl_tx_queue *txq,
889					    u16 byte_cnt)
890{
891	struct iwl5000_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
892	int write_ptr = txq->q.write_ptr;
893	int txq_id = txq->q.id;
894	u8 sec_ctl = 0;
895	u8 sta_id = 0;
896	u16 len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;
897	__le16 bc_ent;
898
899	WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX);
900
901	if (txq_id != IWL_CMD_QUEUE_NUM) {
902		sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
903		sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
904
905		switch (sec_ctl & TX_CMD_SEC_MSK) {
906		case TX_CMD_SEC_CCM:
907			len += CCMP_MIC_LEN;
908			break;
909		case TX_CMD_SEC_TKIP:
910			len += TKIP_ICV_LEN;
911			break;
912		case TX_CMD_SEC_WEP:
913			len += WEP_IV_LEN + WEP_ICV_LEN;
914			break;
915		}
916	}
917
918	bc_ent = cpu_to_le16((len & 0xFFF) | (sta_id << 12));
919
920	scd_bc_tbl[txq_id].tfd_offset[write_ptr] = bc_ent;
921
922	if (txq->q.write_ptr < TFD_QUEUE_SIZE_BC_DUP)
923		scd_bc_tbl[txq_id].
924			tfd_offset[TFD_QUEUE_SIZE_MAX + write_ptr] = bc_ent;
925}
926
927static void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
928					   struct iwl_tx_queue *txq)
929{
930	struct iwl5000_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
931	int txq_id = txq->q.id;
932	int read_ptr = txq->q.read_ptr;
933	u8 sta_id = 0;
934	__le16 bc_ent;
935
936	WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX);
937
938	if (txq_id != IWL_CMD_QUEUE_NUM)
939		sta_id = txq->cmd[read_ptr]->cmd.tx.sta_id;
940
941	bc_ent =  cpu_to_le16(1 | (sta_id << 12));
942	scd_bc_tbl[txq_id].tfd_offset[read_ptr] = bc_ent;
943
944	if (txq->q.write_ptr < TFD_QUEUE_SIZE_BC_DUP)
945		scd_bc_tbl[txq_id].
946			tfd_offset[TFD_QUEUE_SIZE_MAX + read_ptr] =  bc_ent;
947}
948
949static int iwl5000_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid,
950					u16 txq_id)
951{
952	u32 tbl_dw_addr;
953	u32 tbl_dw;
954	u16 scd_q2ratid;
955
956	scd_q2ratid = ra_tid & IWL_SCD_QUEUE_RA_TID_MAP_RATID_MSK;
957
958	tbl_dw_addr = priv->scd_base_addr +
959			IWL50_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id);
960
961	tbl_dw = iwl_read_targ_mem(priv, tbl_dw_addr);
962
963	if (txq_id & 0x1)
964		tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF);
965	else
966		tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000);
967
968	iwl_write_targ_mem(priv, tbl_dw_addr, tbl_dw);
969
970	return 0;
971}
972static void iwl5000_tx_queue_stop_scheduler(struct iwl_priv *priv, u16 txq_id)
973{
974	/* Simply stop the queue, but don't change any configuration;
975	 * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
976	iwl_write_prph(priv,
977		IWL50_SCD_QUEUE_STATUS_BITS(txq_id),
978		(0 << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE)|
979		(1 << IWL50_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
980}
981
982static int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
983				  int tx_fifo, int sta_id, int tid, u16 ssn_idx)
984{
985	unsigned long flags;
986	int ret;
987	u16 ra_tid;
988
989	if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
990	    (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
991		IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
992			txq_id, IWL50_FIRST_AMPDU_QUEUE,
993			IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
994		return -EINVAL;
995	}
996
997	ra_tid = BUILD_RAxTID(sta_id, tid);
998
999	/* Modify device's station table to Tx this TID */
1000	iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
1001
1002	spin_lock_irqsave(&priv->lock, flags);
1003	ret = iwl_grab_nic_access(priv);
1004	if (ret) {
1005		spin_unlock_irqrestore(&priv->lock, flags);
1006		return ret;
1007	}
1008
1009	/* Stop this Tx queue before configuring it */
1010	iwl5000_tx_queue_stop_scheduler(priv, txq_id);
1011
1012	/* Map receiver-address / traffic-ID to this queue */
1013	iwl5000_tx_queue_set_q2ratid(priv, ra_tid, txq_id);
1014
1015	/* Set this queue as a chain-building queue */
1016	iwl_set_bits_prph(priv, IWL50_SCD_QUEUECHAIN_SEL, (1<<txq_id));
1017
1018	/* enable aggregations for the queue */
1019	iwl_set_bits_prph(priv, IWL50_SCD_AGGR_SEL, (1<<txq_id));
1020
1021	/* Place first TFD at index corresponding to start sequence number.
1022	 * Assumes that ssn_idx is valid (!= 0xFFF) */
1023	priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
1024	priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
1025	iwl5000_set_wr_ptrs(priv, txq_id, ssn_idx);
1026
1027	/* Set up Tx window size and frame limit for this queue */
1028	iwl_write_targ_mem(priv, priv->scd_base_addr +
1029			IWL50_SCD_CONTEXT_QUEUE_OFFSET(txq_id) +
1030			sizeof(u32),
1031			((SCD_WIN_SIZE <<
1032			IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
1033			IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
1034			((SCD_FRAME_LIMIT <<
1035			IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
1036			IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
1037
1038	iwl_set_bits_prph(priv, IWL50_SCD_INTERRUPT_MASK, (1 << txq_id));
1039
1040	/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
1041	iwl5000_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 1);
1042
1043	iwl_release_nic_access(priv);
1044	spin_unlock_irqrestore(&priv->lock, flags);
1045
1046	return 0;
1047}
1048
1049static int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
1050				   u16 ssn_idx, u8 tx_fifo)
1051{
1052	int ret;
1053
1054	if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
1055	    (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
1056		IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
1057			txq_id, IWL50_FIRST_AMPDU_QUEUE,
1058			IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
1059		return -EINVAL;
1060	}
1061
1062	ret = iwl_grab_nic_access(priv);
1063	if (ret)
1064		return ret;
1065
1066	iwl5000_tx_queue_stop_scheduler(priv, txq_id);
1067
1068	iwl_clear_bits_prph(priv, IWL50_SCD_AGGR_SEL, (1 << txq_id));
1069
1070	priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
1071	priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
1072	/* supposes that ssn_idx is valid (!= 0xFFF) */
1073	iwl5000_set_wr_ptrs(priv, txq_id, ssn_idx);
1074
1075	iwl_clear_bits_prph(priv, IWL50_SCD_INTERRUPT_MASK, (1 << txq_id));
1076	iwl_txq_ctx_deactivate(priv, txq_id);
1077	iwl5000_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 0);
1078
1079	iwl_release_nic_access(priv);
1080
1081	return 0;
1082}
1083
1084static u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
1085{
1086	u16 size = (u16)sizeof(struct iwl_addsta_cmd);
1087	memcpy(data, cmd, size);
1088	return size;
1089}
1090
1091
1092/*
1093 * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
1094 * must be called under priv->lock and mac access
1095 */
1096static void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask)
1097{
1098	iwl_write_prph(priv, IWL50_SCD_TXFACT, mask);
1099}
1100
1101
1102static inline u32 iwl5000_get_scd_ssn(struct iwl5000_tx_resp *tx_resp)
1103{
1104	return le32_to_cpup((__le32 *)&tx_resp->status +
1105			    tx_resp->frame_count) & MAX_SN;
1106}
1107
1108static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
1109				      struct iwl_ht_agg *agg,
1110				      struct iwl5000_tx_resp *tx_resp,
1111				      int txq_id, u16 start_idx)
1112{
1113	u16 status;
1114	struct agg_tx_status *frame_status = &tx_resp->status;
1115	struct ieee80211_tx_info *info = NULL;
1116	struct ieee80211_hdr *hdr = NULL;
1117	u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
1118	int i, sh, idx;
1119	u16 seq;
1120
1121	if (agg->wait_for_ba)
1122		IWL_DEBUG_TX_REPLY("got tx response w/o block-ack\n");
1123
1124	agg->frame_count = tx_resp->frame_count;
1125	agg->start_idx = start_idx;
1126	agg->rate_n_flags = rate_n_flags;
1127	agg->bitmap = 0;
1128
1129	/* # frames attempted by Tx command */
1130	if (agg->frame_count == 1) {
1131		/* Only one frame was attempted; no block-ack will arrive */
1132		status = le16_to_cpu(frame_status[0].status);
1133		idx = start_idx;
1134
1135		/* FIXME: code repetition */
1136		IWL_DEBUG_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
1137				   agg->frame_count, agg->start_idx, idx);
1138
1139		info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
1140		info->status.rates[0].count = tx_resp->failure_frame + 1;
1141		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
1142		info->flags |= iwl_is_tx_success(status) ?
1143					IEEE80211_TX_STAT_ACK : 0;
1144		iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
1145
1146		/* FIXME: code repetition end */
1147
1148		IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
1149				    status & 0xff, tx_resp->failure_frame);
1150		IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags);
1151
1152		agg->wait_for_ba = 0;
1153	} else {
1154		/* Two or more frames were attempted; expect block-ack */
1155		u64 bitmap = 0;
1156		int start = agg->start_idx;
1157
1158		/* Construct bit-map of pending frames within Tx window */
1159		for (i = 0; i < agg->frame_count; i++) {
1160			u16 sc;
1161			status = le16_to_cpu(frame_status[i].status);
1162			seq  = le16_to_cpu(frame_status[i].sequence);
1163			idx = SEQ_TO_INDEX(seq);
1164			txq_id = SEQ_TO_QUEUE(seq);
1165
1166			if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
1167				      AGG_TX_STATE_ABORT_MSK))
1168				continue;
1169
1170			IWL_DEBUG_TX_REPLY("FrameCnt = %d, txq_id=%d idx=%d\n",
1171					   agg->frame_count, txq_id, idx);
1172
1173			hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx);
1174
1175			sc = le16_to_cpu(hdr->seq_ctrl);
1176			if (idx != (SEQ_TO_SN(sc) & 0xff)) {
1177				IWL_ERROR("BUG_ON idx doesn't match seq control"
1178					  " idx=%d, seq_idx=%d, seq=%d\n",
1179					  idx, SEQ_TO_SN(sc),
1180					  hdr->seq_ctrl);
1181				return -1;
1182			}
1183
1184			IWL_DEBUG_TX_REPLY("AGG Frame i=%d idx %d seq=%d\n",
1185					   i, idx, SEQ_TO_SN(sc));
1186
1187			sh = idx - start;
1188			if (sh > 64) {
1189				sh = (start - idx) + 0xff;
1190				bitmap = bitmap << sh;
1191				sh = 0;
1192				start = idx;
1193			} else if (sh < -64)
1194				sh  = 0xff - (start - idx);
1195			else if (sh < 0) {
1196				sh = start - idx;
1197				start = idx;
1198				bitmap = bitmap << sh;
1199				sh = 0;
1200			}
1201			bitmap |= 1ULL << sh;
1202			IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%llx\n",
1203					   start, (unsigned long long)bitmap);
1204		}
1205
1206		agg->bitmap = bitmap;
1207		agg->start_idx = start;
1208		IWL_DEBUG_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n",
1209				   agg->frame_count, agg->start_idx,
1210				   (unsigned long long)agg->bitmap);
1211
1212		if (bitmap)
1213			agg->wait_for_ba = 1;
1214	}
1215	return 0;
1216}
1217
1218static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
1219				struct iwl_rx_mem_buffer *rxb)
1220{
1221	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
1222	u16 sequence = le16_to_cpu(pkt->hdr.sequence);
1223	int txq_id = SEQ_TO_QUEUE(sequence);
1224	int index = SEQ_TO_INDEX(sequence);
1225	struct iwl_tx_queue *txq = &priv->txq[txq_id];
1226	struct ieee80211_tx_info *info;
1227	struct iwl5000_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
1228	u32  status = le16_to_cpu(tx_resp->status.status);
1229	int tid;
1230	int sta_id;
1231	int freed;
1232
1233	if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
1234		IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
1235			  "is out of range [0-%d] %d %d\n", txq_id,
1236			  index, txq->q.n_bd, txq->q.write_ptr,
1237			  txq->q.read_ptr);
1238		return;
1239	}
1240
1241	info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
1242	memset(&info->status, 0, sizeof(info->status));
1243
1244	tid = (tx_resp->ra_tid & IWL50_TX_RES_TID_MSK) >> IWL50_TX_RES_TID_POS;
1245	sta_id = (tx_resp->ra_tid & IWL50_TX_RES_RA_MSK) >> IWL50_TX_RES_RA_POS;
1246
1247	if (txq->sched_retry) {
1248		const u32 scd_ssn = iwl5000_get_scd_ssn(tx_resp);
1249		struct iwl_ht_agg *agg = NULL;
1250
1251		agg = &priv->stations[sta_id].tid[tid].agg;
1252
1253		iwl5000_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
1254
1255		/* check if BAR is needed */
1256		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
1257			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
1258
1259		if (txq->q.read_ptr != (scd_ssn & 0xff)) {
1260			index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd);
1261			IWL_DEBUG_TX_REPLY("Retry scheduler reclaim "
1262					"scd_ssn=%d idx=%d txq=%d swq=%d\n",
1263					scd_ssn , index, txq_id, txq->swq_id);
1264
1265			freed = iwl_tx_queue_reclaim(priv, txq_id, index);
1266			priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
1267
1268			if (priv->mac80211_registered &&
1269			    (iwl_queue_space(&txq->q) > txq->q.low_mark) &&
1270			    (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
1271				if (agg->state == IWL_AGG_OFF)
1272					ieee80211_wake_queue(priv->hw, txq_id);
1273				else
1274					ieee80211_wake_queue(priv->hw,
1275							     txq->swq_id);
1276			}
1277		}
1278	} else {
1279		BUG_ON(txq_id != txq->swq_id);
1280
1281		info->status.rates[0].count = tx_resp->failure_frame + 1;
1282		info->flags |= iwl_is_tx_success(status) ?
1283					IEEE80211_TX_STAT_ACK : 0;
1284		iwl_hwrate_to_tx_control(priv,
1285					le32_to_cpu(tx_resp->rate_n_flags),
1286					info);
1287
1288		IWL_DEBUG_TX_REPLY("TXQ %d status %s (0x%08x) rate_n_flags "
1289				   "0x%x retries %d\n",
1290				   txq_id,
1291				   iwl_get_tx_fail_reason(status), status,
1292				   le32_to_cpu(tx_resp->rate_n_flags),
1293				   tx_resp->failure_frame);
1294
1295		freed = iwl_tx_queue_reclaim(priv, txq_id, index);
1296		if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
1297			priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
1298
1299		if (priv->mac80211_registered &&
1300		    (iwl_queue_space(&txq->q) > txq->q.low_mark))
1301			ieee80211_wake_queue(priv->hw, txq_id);
1302	}
1303
1304	if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
1305		iwl_txq_check_empty(priv, sta_id, tid, txq_id);
1306
1307	if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
1308		IWL_ERROR("TODO:  Implement Tx ABORT REQUIRED!!!\n");
1309}
1310
1311/* Currently 5000 is the superset of everything */
1312static u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len)
1313{
1314	return len;
1315}
1316
1317static void iwl5000_setup_deferred_work(struct iwl_priv *priv)
1318{
1319	/* in 5000 the tx power calibration is done in uCode */
1320	priv->disable_tx_power_cal = 1;
1321}
1322
1323static void iwl5000_rx_handler_setup(struct iwl_priv *priv)
1324{
1325	/* init calibration handlers */
1326	priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] =
1327					iwl5000_rx_calib_result;
1328	priv->rx_handlers[CALIBRATION_COMPLETE_NOTIFICATION] =
1329					iwl5000_rx_calib_complete;
1330	priv->rx_handlers[REPLY_TX] = iwl5000_rx_reply_tx;
1331}
1332
1333
1334static int iwl5000_hw_valid_rtc_data_addr(u32 addr)
1335{
1336	return (addr >= RTC_DATA_LOWER_BOUND) &&
1337		(addr < IWL50_RTC_DATA_UPPER_BOUND);
1338}
1339
1340static int iwl5000_send_rxon_assoc(struct iwl_priv *priv)
1341{
1342	int ret = 0;
1343	struct iwl5000_rxon_assoc_cmd rxon_assoc;
1344	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
1345	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
1346
1347	if ((rxon1->flags == rxon2->flags) &&
1348	    (rxon1->filter_flags == rxon2->filter_flags) &&
1349	    (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
1350	    (rxon1->ofdm_ht_single_stream_basic_rates ==
1351	     rxon2->ofdm_ht_single_stream_basic_rates) &&
1352	    (rxon1->ofdm_ht_dual_stream_basic_rates ==
1353	     rxon2->ofdm_ht_dual_stream_basic_rates) &&
1354	    (rxon1->ofdm_ht_triple_stream_basic_rates ==
1355	     rxon2->ofdm_ht_triple_stream_basic_rates) &&
1356	    (rxon1->acquisition_data == rxon2->acquisition_data) &&
1357	    (rxon1->rx_chain == rxon2->rx_chain) &&
1358	    (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
1359		IWL_DEBUG_INFO("Using current RXON_ASSOC.  Not resending.\n");
1360		return 0;
1361	}
1362
1363	rxon_assoc.flags = priv->staging_rxon.flags;
1364	rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
1365	rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
1366	rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
1367	rxon_assoc.reserved1 = 0;
1368	rxon_assoc.reserved2 = 0;
1369	rxon_assoc.reserved3 = 0;
1370	rxon_assoc.ofdm_ht_single_stream_basic_rates =
1371	    priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
1372	rxon_assoc.ofdm_ht_dual_stream_basic_rates =
1373	    priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
1374	rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
1375	rxon_assoc.ofdm_ht_triple_stream_basic_rates =
1376		 priv->staging_rxon.ofdm_ht_triple_stream_basic_rates;
1377	rxon_assoc.acquisition_data = priv->staging_rxon.acquisition_data;
1378
1379	ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
1380				     sizeof(rxon_assoc), &rxon_assoc, NULL);
1381	if (ret)
1382		return ret;
1383
1384	return ret;
1385}
1386static int  iwl5000_send_tx_power(struct iwl_priv *priv)
1387{
1388	struct iwl5000_tx_power_dbm_cmd tx_power_cmd;
1389
1390	/* half dBm need to multiply */
1391	tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
1392	tx_power_cmd.flags = IWL50_TX_POWER_NO_CLOSED;
1393	tx_power_cmd.srv_chan_lmt = IWL50_TX_POWER_AUTO;
1394	return  iwl_send_cmd_pdu_async(priv, REPLY_TX_POWER_DBM_CMD,
1395				       sizeof(tx_power_cmd), &tx_power_cmd,
1396				       NULL);
1397}
1398
1399static void iwl5000_temperature(struct iwl_priv *priv)
1400{
1401	/* store temperature from statistics (in Celsius) */
1402	priv->temperature = le32_to_cpu(priv->statistics.general.temperature);
1403}
1404
1405/* Calc max signal level (dBm) among 3 possible receivers */
1406static int iwl5000_calc_rssi(struct iwl_priv *priv,
1407			     struct iwl_rx_phy_res *rx_resp)
1408{
1409	/* data from PHY/DSP regarding signal strength, etc.,
1410	 *   contents are always there, not configurable by host
1411	 */
1412	struct iwl5000_non_cfg_phy *ncphy =
1413		(struct iwl5000_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
1414	u32 val, rssi_a, rssi_b, rssi_c, max_rssi;
1415	u8 agc;
1416
1417	val  = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_AGC_IDX]);
1418	agc = (val & IWL50_OFDM_AGC_MSK) >> IWL50_OFDM_AGC_BIT_POS;
1419
1420	/* Find max rssi among 3 possible receivers.
1421	 * These values are measured by the digital signal processor (DSP).
1422	 * They should stay fairly constant even as the signal strength varies,
1423	 *   if the radio's automatic gain control (AGC) is working right.
1424	 * AGC value (see below) will provide the "interesting" info.
1425	 */
1426	val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_AB_IDX]);
1427	rssi_a = (val & IWL50_OFDM_RSSI_A_MSK) >> IWL50_OFDM_RSSI_A_BIT_POS;
1428	rssi_b = (val & IWL50_OFDM_RSSI_B_MSK) >> IWL50_OFDM_RSSI_B_BIT_POS;
1429	val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_C_IDX]);
1430	rssi_c = (val & IWL50_OFDM_RSSI_C_MSK) >> IWL50_OFDM_RSSI_C_BIT_POS;
1431
1432	max_rssi = max_t(u32, rssi_a, rssi_b);
1433	max_rssi = max_t(u32, max_rssi, rssi_c);
1434
1435	IWL_DEBUG_STATS("Rssi In A %d B %d C %d Max %d AGC dB %d\n",
1436		rssi_a, rssi_b, rssi_c, max_rssi, agc);
1437
1438	/* dBm = max_rssi dB - agc dB - constant.
1439	 * Higher AGC (higher radio gain) means lower signal. */
1440	return max_rssi - agc - IWL_RSSI_OFFSET;
1441}
1442
1443static struct iwl_hcmd_ops iwl5000_hcmd = {
1444	.rxon_assoc = iwl5000_send_rxon_assoc,
1445};
1446
1447static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
1448	.get_hcmd_size = iwl5000_get_hcmd_size,
1449	.build_addsta_hcmd = iwl5000_build_addsta_hcmd,
1450	.gain_computation = iwl5000_gain_computation,
1451	.chain_noise_reset = iwl5000_chain_noise_reset,
1452	.rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
1453	.calc_rssi = iwl5000_calc_rssi,
1454};
1455
1456static struct iwl_lib_ops iwl5000_lib = {
1457	.set_hw_params = iwl5000_hw_set_hw_params,
1458	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
1459	.txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
1460	.txq_set_sched = iwl5000_txq_set_sched,
1461	.txq_agg_enable = iwl5000_txq_agg_enable,
1462	.txq_agg_disable = iwl5000_txq_agg_disable,
1463	.rx_handler_setup = iwl5000_rx_handler_setup,
1464	.setup_deferred_work = iwl5000_setup_deferred_work,
1465	.is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
1466	.load_ucode = iwl5000_load_ucode,
1467	.init_alive_start = iwl5000_init_alive_start,
1468	.alive_notify = iwl5000_alive_notify,
1469	.send_tx_power = iwl5000_send_tx_power,
1470	.temperature = iwl5000_temperature,
1471	.update_chain_flags = iwl_update_chain_flags,
1472	.apm_ops = {
1473		.init =	iwl5000_apm_init,
1474		.reset = iwl5000_apm_reset,
1475		.stop = iwl5000_apm_stop,
1476		.config = iwl5000_nic_config,
1477		.set_pwr_src = iwl_set_pwr_src,
1478	},
1479	.eeprom_ops = {
1480		.regulatory_bands = {
1481			EEPROM_5000_REG_BAND_1_CHANNELS,
1482			EEPROM_5000_REG_BAND_2_CHANNELS,
1483			EEPROM_5000_REG_BAND_3_CHANNELS,
1484			EEPROM_5000_REG_BAND_4_CHANNELS,
1485			EEPROM_5000_REG_BAND_5_CHANNELS,
1486			EEPROM_5000_REG_BAND_24_FAT_CHANNELS,
1487			EEPROM_5000_REG_BAND_52_FAT_CHANNELS
1488		},
1489		.verify_signature  = iwlcore_eeprom_verify_signature,
1490		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
1491		.release_semaphore = iwlcore_eeprom_release_semaphore,
1492		.calib_version	= iwl5000_eeprom_calib_version,
1493		.query_addr = iwl5000_eeprom_query_addr,
1494	},
1495};
1496
1497static struct iwl_ops iwl5000_ops = {
1498	.lib = &iwl5000_lib,
1499	.hcmd = &iwl5000_hcmd,
1500	.utils = &iwl5000_hcmd_utils,
1501};
1502
1503static struct iwl_mod_params iwl50_mod_params = {
1504	.num_of_queues = IWL50_NUM_QUEUES,
1505	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
1506	.enable_qos = 1,
1507	.amsdu_size_8K = 1,
1508	.restart_fw = 1,
1509	/* the rest are 0 by default */
1510};
1511
1512
1513struct iwl_cfg iwl5300_agn_cfg = {
1514	.name = "5300AGN",
1515	.fw_name = IWL5000_MODULE_FIRMWARE,
1516	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1517	.ops = &iwl5000_ops,
1518	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1519	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1520	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1521	.mod_params = &iwl50_mod_params,
1522};
1523
1524struct iwl_cfg iwl5100_bg_cfg = {
1525	.name = "5100BG",
1526	.fw_name = IWL5000_MODULE_FIRMWARE,
1527	.sku = IWL_SKU_G,
1528	.ops = &iwl5000_ops,
1529	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1530	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1531	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1532	.mod_params = &iwl50_mod_params,
1533};
1534
1535struct iwl_cfg iwl5100_abg_cfg = {
1536	.name = "5100ABG",
1537	.fw_name = IWL5000_MODULE_FIRMWARE,
1538	.sku = IWL_SKU_A|IWL_SKU_G,
1539	.ops = &iwl5000_ops,
1540	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1541	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1542	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1543	.mod_params = &iwl50_mod_params,
1544};
1545
1546struct iwl_cfg iwl5100_agn_cfg = {
1547	.name = "5100AGN",
1548	.fw_name = IWL5000_MODULE_FIRMWARE,
1549	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1550	.ops = &iwl5000_ops,
1551	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1552	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1553	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1554	.mod_params = &iwl50_mod_params,
1555};
1556
1557struct iwl_cfg iwl5350_agn_cfg = {
1558	.name = "5350AGN",
1559	.fw_name = IWL5000_MODULE_FIRMWARE,
1560	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1561	.ops = &iwl5000_ops,
1562	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1563	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
1564	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
1565	.mod_params = &iwl50_mod_params,
1566};
1567
1568struct iwl_cfg iwl5150_agn_cfg = {
1569	.name = "5150AGN",
1570	.fw_name = IWL5150_MODULE_FIRMWARE,
1571	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1572	.ops = &iwl5000_ops,
1573	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1574	.mod_params = &iwl50_mod_params,
1575};
1576
1577MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE);
1578MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE);
1579
1580module_param_named(disable50, iwl50_mod_params.disable, int, 0444);
1581MODULE_PARM_DESC(disable50,
1582		  "manually disable the 50XX radio (default 0 [radio on])");
1583module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
1584MODULE_PARM_DESC(swcrypto50,
1585		  "using software crypto engine (default 0 [hardware])\n");
1586module_param_named(debug50, iwl50_mod_params.debug, int, 0444);
1587MODULE_PARM_DESC(debug50, "50XX debug output mask");
1588module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
1589MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
1590module_param_named(qos_enable50, iwl50_mod_params.enable_qos, int, 0444);
1591MODULE_PARM_DESC(qos_enable50, "enable all 50XX QoS functionality");
1592module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, 0444);
1593MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality");
1594module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
1595MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
1596module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, 0444);
1597MODULE_PARM_DESC(fw_restart50, "restart firmware in case of error");
1598