iwlwifi: remove extranious macro from firmware define
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-2000.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2008 - 2011 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.
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15  * this program; if not, write to the Free Software Foundation, Inc.,
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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 Linux Wireless <ilw@linux.intel.com>
23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24  *
25  *****************************************************************************/
26
27 #include <linux/kernel.h>
28 #include <linux/module.h>
29 #include <linux/init.h>
30 #include <linux/pci.h>
31 #include <linux/dma-mapping.h>
32 #include <linux/delay.h>
33 #include <linux/skbuff.h>
34 #include <linux/netdevice.h>
35 #include <linux/wireless.h>
36 #include <net/mac80211.h>
37 #include <linux/etherdevice.h>
38 #include <asm/unaligned.h>
39
40 #include "iwl-eeprom.h"
41 #include "iwl-dev.h"
42 #include "iwl-core.h"
43 #include "iwl-io.h"
44 #include "iwl-sta.h"
45 #include "iwl-agn.h"
46 #include "iwl-helpers.h"
47 #include "iwl-agn-hw.h"
48 #include "iwl-6000-hw.h"
49 #include "iwl-agn-led.h"
50 #include "iwl-agn-debugfs.h"
51
52 /* Highest firmware API version supported */
53 #define IWL2030_UCODE_API_MAX 5
54 #define IWL2000_UCODE_API_MAX 5
55 #define IWL200_UCODE_API_MAX 5
56
57 /* Lowest firmware API version supported */
58 #define IWL2030_UCODE_API_MIN 5
59 #define IWL2000_UCODE_API_MIN 5
60 #define IWL200_UCODE_API_MIN 5
61
62 #define IWL2030_FW_PRE "iwlwifi-2030-"
63 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE #api ".ucode"
64
65 #define IWL2000_FW_PRE "iwlwifi-2000-"
66 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE #api ".ucode"
67
68 #define IWL200_FW_PRE "iwlwifi-200-"
69 #define IWL200_MODULE_FIRMWARE(api) IWL200_FW_PRE #api ".ucode"
70
71 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
72 {
73         /* want Celsius */
74         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
75         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
76 }
77
78 /* NIC configuration for 2000 series */
79 static void iwl2000_nic_config(struct iwl_priv *priv)
80 {
81         u16 radio_cfg;
82
83         radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
84
85         /* write radio config values to register */
86         if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
87         iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
88                         EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
89                         EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
90                         EEPROM_RF_CFG_DASH_MSK(radio_cfg));
91
92         /* set CSR_HW_CONFIG_REG for uCode use */
93         iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
94                     CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
95                     CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
96
97         if (priv->cfg->iq_invert)
98                 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
99                             CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
100
101 }
102
103 static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
104         .min_nrg_cck = 97,
105         .max_nrg_cck = 0, /* not used, set to 0 */
106         .auto_corr_min_ofdm = 80,
107         .auto_corr_min_ofdm_mrc = 128,
108         .auto_corr_min_ofdm_x1 = 105,
109         .auto_corr_min_ofdm_mrc_x1 = 192,
110
111         .auto_corr_max_ofdm = 145,
112         .auto_corr_max_ofdm_mrc = 232,
113         .auto_corr_max_ofdm_x1 = 110,
114         .auto_corr_max_ofdm_mrc_x1 = 232,
115
116         .auto_corr_min_cck = 125,
117         .auto_corr_max_cck = 175,
118         .auto_corr_min_cck_mrc = 160,
119         .auto_corr_max_cck_mrc = 310,
120         .nrg_th_cck = 97,
121         .nrg_th_ofdm = 100,
122
123         .barker_corr_th_min = 190,
124         .barker_corr_th_min_mrc = 390,
125         .nrg_th_cca = 62,
126 };
127
128 static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
129 {
130         if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
131             priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
132                 priv->cfg->base_params->num_of_queues =
133                         priv->cfg->mod_params->num_of_queues;
134
135         priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
136         priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
137         priv->hw_params.scd_bc_tbls_size =
138                 priv->cfg->base_params->num_of_queues *
139                 sizeof(struct iwlagn_scd_bc_tbl);
140         priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
141         priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
142         priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
143
144         priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
145         priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
146
147         priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
148                                         BIT(IEEE80211_BAND_5GHZ);
149         priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
150
151         priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
152         if (priv->cfg->rx_with_siso_diversity)
153                 priv->hw_params.rx_chains_num = 1;
154         else
155                 priv->hw_params.rx_chains_num =
156                         num_of_ant(priv->cfg->valid_rx_ant);
157         priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
158         priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
159
160         iwl2000_set_ct_threshold(priv);
161
162         /* Set initial sensitivity parameters */
163         /* Set initial calibration set */
164         priv->hw_params.sens = &iwl2000_sensitivity;
165         priv->hw_params.calib_init_cfg =
166                 BIT(IWL_CALIB_XTAL)             |
167                 BIT(IWL_CALIB_LO)               |
168                 BIT(IWL_CALIB_TX_IQ)            |
169                 BIT(IWL_CALIB_BASE_BAND);
170         if (priv->cfg->need_dc_calib)
171                 priv->hw_params.calib_rt_cfg |= BIT(IWL_CALIB_CFG_DC_IDX);
172         if (priv->cfg->need_temp_offset_calib)
173                 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
174
175         priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
176
177         return 0;
178 }
179
180 static int iwl2030_hw_channel_switch(struct iwl_priv *priv,
181                                     struct ieee80211_channel_switch *ch_switch)
182 {
183         /*
184          * MULTI-FIXME
185          * See iwl_mac_channel_switch.
186          */
187         struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
188         struct iwl6000_channel_switch_cmd cmd;
189         const struct iwl_channel_info *ch_info;
190         u32 switch_time_in_usec, ucode_switch_time;
191         u16 ch;
192         u32 tsf_low;
193         u8 switch_count;
194         u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
195         struct ieee80211_vif *vif = ctx->vif;
196         struct iwl_host_cmd hcmd = {
197                 .id = REPLY_CHANNEL_SWITCH,
198                 .len = sizeof(cmd),
199                 .flags = CMD_SYNC,
200                 .data = &cmd,
201         };
202
203         cmd.band = priv->band == IEEE80211_BAND_2GHZ;
204         ch = ch_switch->channel->hw_value;
205         IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
206                 ctx->active.channel, ch);
207         cmd.channel = cpu_to_le16(ch);
208         cmd.rxon_flags = ctx->staging.flags;
209         cmd.rxon_filter_flags = ctx->staging.filter_flags;
210         switch_count = ch_switch->count;
211         tsf_low = ch_switch->timestamp & 0x0ffffffff;
212         /*
213          * calculate the ucode channel switch time
214          * adding TSF as one of the factor for when to switch
215          */
216         if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
217                 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
218                     beacon_interval)) {
219                         switch_count -= (priv->ucode_beacon_time -
220                                 tsf_low) / beacon_interval;
221                 } else
222                         switch_count = 0;
223         }
224         if (switch_count <= 1)
225                 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
226         else {
227                 switch_time_in_usec =
228                         vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
229                 ucode_switch_time = iwl_usecs_to_beacons(priv,
230                                                 switch_time_in_usec,
231                                                 beacon_interval);
232                 cmd.switch_time = iwl_add_beacon_time(priv,
233                                                 priv->ucode_beacon_time,
234                                                 ucode_switch_time,
235                                                 beacon_interval);
236         }
237         IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
238                       cmd.switch_time);
239         ch_info = iwl_get_channel_info(priv, priv->band, ch);
240         if (ch_info)
241                 cmd.expect_beacon = is_channel_radar(ch_info);
242         else {
243                 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
244                         ctx->active.channel, ch);
245                 return -EFAULT;
246         }
247         priv->switch_rxon.channel = cmd.channel;
248         priv->switch_rxon.switch_in_progress = true;
249
250         return iwl_send_cmd_sync(priv, &hcmd);
251 }
252
253 static struct iwl_lib_ops iwl2000_lib = {
254         .set_hw_params = iwl2000_hw_set_hw_params,
255         .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
256         .txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
257         .txq_set_sched = iwlagn_txq_set_sched,
258         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
259         .txq_free_tfd = iwl_hw_txq_free_tfd,
260         .txq_init = iwl_hw_tx_queue_init,
261         .rx_handler_setup = iwlagn_rx_handler_setup,
262         .setup_deferred_work = iwlagn_bt_setup_deferred_work,
263         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
264         .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
265         .dump_nic_event_log = iwl_dump_nic_event_log,
266         .dump_nic_error_log = iwl_dump_nic_error_log,
267         .dump_csr = iwl_dump_csr,
268         .dump_fh = iwl_dump_fh,
269         .send_tx_power = iwlagn_send_tx_power,
270         .update_chain_flags = iwl_update_chain_flags,
271         .set_channel_switch = iwl2030_hw_channel_switch,
272         .apm_ops = {
273                 .init = iwl_apm_init,
274                 .config = iwl2000_nic_config,
275         },
276         .eeprom_ops = {
277                 .regulatory_bands = {
278                         EEPROM_REG_BAND_1_CHANNELS,
279                         EEPROM_REG_BAND_2_CHANNELS,
280                         EEPROM_REG_BAND_3_CHANNELS,
281                         EEPROM_REG_BAND_4_CHANNELS,
282                         EEPROM_REG_BAND_5_CHANNELS,
283                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
284                         EEPROM_REG_BAND_52_HT40_CHANNELS
285                 },
286                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
287                 .release_semaphore = iwlcore_eeprom_release_semaphore,
288                 .calib_version  = iwlagn_eeprom_calib_version,
289                 .query_addr = iwlagn_eeprom_query_addr,
290                 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
291         },
292         .temp_ops = {
293                 .temperature = iwlagn_temperature,
294         },
295         .debugfs_ops = {
296                 .rx_stats_read = iwl_ucode_rx_stats_read,
297                 .tx_stats_read = iwl_ucode_tx_stats_read,
298                 .general_stats_read = iwl_ucode_general_stats_read,
299                 .bt_stats_read = iwl_ucode_bt_stats_read,
300                 .reply_tx_error = iwl_reply_tx_error_read,
301         },
302         .txfifo_flush = iwlagn_txfifo_flush,
303         .dev_txfifo_flush = iwlagn_dev_txfifo_flush,
304         .tt_ops = {
305                 .lower_power_detection = iwl_tt_is_low_power_state,
306                 .tt_power_mode = iwl_tt_current_power_mode,
307                 .ct_kill_check = iwl_check_for_ct_kill,
308         }
309 };
310
311 static const struct iwl_ops iwl2000_ops = {
312         .lib = &iwl2000_lib,
313         .hcmd = &iwlagn_hcmd,
314         .utils = &iwlagn_hcmd_utils,
315         .led = &iwlagn_led_ops,
316         .ieee80211_ops = &iwlagn_hw_ops,
317 };
318
319 static const struct iwl_ops iwl2030_ops = {
320         .lib = &iwl2000_lib,
321         .hcmd = &iwlagn_bt_hcmd,
322         .utils = &iwlagn_hcmd_utils,
323         .led = &iwlagn_led_ops,
324         .ieee80211_ops = &iwlagn_hw_ops,
325 };
326
327 static const struct iwl_ops iwl200_ops = {
328         .lib = &iwl2000_lib,
329         .hcmd = &iwlagn_hcmd,
330         .utils = &iwlagn_hcmd_utils,
331         .led = &iwlagn_led_ops,
332         .ieee80211_ops = &iwlagn_hw_ops,
333 };
334
335 static const struct iwl_ops iwl230_ops = {
336         .lib = &iwl2000_lib,
337         .hcmd = &iwlagn_bt_hcmd,
338         .utils = &iwlagn_hcmd_utils,
339         .led = &iwlagn_led_ops,
340         .ieee80211_ops = &iwlagn_hw_ops,
341 };
342
343 static struct iwl_base_params iwl2000_base_params = {
344         .eeprom_size = OTP_LOW_IMAGE_SIZE,
345         .num_of_queues = IWLAGN_NUM_QUEUES,
346         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
347         .pll_cfg_val = 0,
348         .set_l0s = true,
349         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
350         .shadow_ram_support = true,
351         .led_compensation = 51,
352         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
353         .adv_thermal_throttle = true,
354         .support_ct_kill_exit = true,
355         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
356         .chain_noise_scale = 1000,
357         .wd_timeout = IWL_DEF_WD_TIMEOUT,
358         .max_event_log_size = 512,
359         .ucode_tracing = true,
360         .sensitivity_calib_by_driver = true,
361         .chain_noise_calib_by_driver = true,
362         .shadow_reg_enable = true,
363 };
364
365
366 static struct iwl_base_params iwl2030_base_params = {
367         .eeprom_size = OTP_LOW_IMAGE_SIZE,
368         .num_of_queues = IWLAGN_NUM_QUEUES,
369         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
370         .pll_cfg_val = 0,
371         .set_l0s = true,
372         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
373         .shadow_ram_support = true,
374         .led_compensation = 57,
375         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
376         .adv_thermal_throttle = true,
377         .support_ct_kill_exit = true,
378         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
379         .chain_noise_scale = 1000,
380         .wd_timeout = IWL_LONG_WD_TIMEOUT,
381         .max_event_log_size = 512,
382         .ucode_tracing = true,
383         .sensitivity_calib_by_driver = true,
384         .chain_noise_calib_by_driver = true,
385         .shadow_reg_enable = true,
386 };
387
388 static struct iwl_ht_params iwl2000_ht_params = {
389         .ht_greenfield_support = true,
390         .use_rts_for_aggregation = true, /* use rts/cts protection */
391 };
392
393 static struct iwl_bt_params iwl2030_bt_params = {
394         .bt_statistics = true,
395         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
396         .advanced_bt_coexist = true,
397         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
398         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
399         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
400         .bt_sco_disable = true,
401         .bt_session_2 = true,
402 };
403
404 #define IWL_DEVICE_2000                                         \
405         .fw_name_pre = IWL2000_FW_PRE,                          \
406         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
407         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
408         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
409         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
410         .ops = &iwl2000_ops,                                    \
411         .mod_params = &iwlagn_mod_params,                       \
412         .base_params = &iwl2000_base_params,                    \
413         .need_dc_calib = true,                                  \
414         .need_temp_offset_calib = true,                         \
415         .led_mode = IWL_LED_RF_STATE,                           \
416         .iq_invert = true                                       \
417
418 struct iwl_cfg iwl2000_2bgn_cfg = {
419         .name = "2000 Series 2x2 BGN",
420         IWL_DEVICE_2000,
421         .ht_params = &iwl2000_ht_params,
422 };
423
424 struct iwl_cfg iwl2000_2bg_cfg = {
425         .name = "2000 Series 2x2 BG",
426         IWL_DEVICE_2000,
427 };
428
429 #define IWL_DEVICE_2030                                         \
430         .fw_name_pre = IWL2030_FW_PRE,                          \
431         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
432         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
433         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
434         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
435         .ops = &iwl2030_ops,                                    \
436         .mod_params = &iwlagn_mod_params,                       \
437         .base_params = &iwl2030_base_params,                    \
438         .bt_params = &iwl2030_bt_params,                        \
439         .need_dc_calib = true,                                  \
440         .need_temp_offset_calib = true,                         \
441         .led_mode = IWL_LED_RF_STATE,                           \
442         .adv_pm = true,                                         \
443         .iq_invert = true                                       \
444
445 struct iwl_cfg iwl2030_2bgn_cfg = {
446         .name = "2000 Series 2x2 BGN/BT",
447         IWL_DEVICE_2030,
448         .ht_params = &iwl2000_ht_params,
449 };
450
451 struct iwl_cfg iwl2030_2bg_cfg = {
452         .name = "2000 Series 2x2 BG/BT",
453         IWL_DEVICE_2030,
454 };
455
456 #define IWL_DEVICE_200                                          \
457         .fw_name_pre = IWL200_FW_PRE,                           \
458         .ucode_api_max = IWL200_UCODE_API_MAX,                  \
459         .ucode_api_min = IWL200_UCODE_API_MIN,                  \
460         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
461         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
462         .ops = &iwl200_ops,                                     \
463         .mod_params = &iwlagn_mod_params,                       \
464         .base_params = &iwl2000_base_params,                    \
465         .need_dc_calib = true,                                  \
466         .need_temp_offset_calib = true,                         \
467         .led_mode = IWL_LED_RF_STATE,                           \
468         .adv_pm = true,                                         \
469         .rx_with_siso_diversity = true                          \
470
471 struct iwl_cfg iwl200_bg_cfg = {
472         .name = "200 Series 1x1 BG",
473         IWL_DEVICE_200,
474 };
475
476 struct iwl_cfg iwl200_bgn_cfg = {
477         .name = "200 Series 1x1 BGN",
478         IWL_DEVICE_200,
479         .ht_params = &iwl2000_ht_params,
480 };
481
482 #define IWL_DEVICE_230                                          \
483         .fw_name_pre = IWL200_FW_PRE,                           \
484         .ucode_api_max = IWL200_UCODE_API_MAX,                  \
485         .ucode_api_min = IWL200_UCODE_API_MIN,                  \
486         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
487         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
488         .ops = &iwl230_ops,                                     \
489         .mod_params = &iwlagn_mod_params,                       \
490         .base_params = &iwl2030_base_params,                    \
491         .bt_params = &iwl2030_bt_params,                        \
492         .need_dc_calib = true,                                  \
493         .need_temp_offset_calib = true,                         \
494         .led_mode = IWL_LED_RF_STATE,                           \
495         .adv_pm = true,                                         \
496         .rx_with_siso_diversity = true                          \
497
498 struct iwl_cfg iwl230_bg_cfg = {
499         .name = "200 Series 1x1 BG/BT",
500         IWL_DEVICE_230,
501 };
502
503 struct iwl_cfg iwl230_bgn_cfg = {
504         .name = "200 Series 1x1 BGN/BT",
505         IWL_DEVICE_230,
506         .ht_params = &iwl2000_ht_params,
507 };
508
509 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
510 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
511 MODULE_FIRMWARE(IWL200_MODULE_FIRMWARE(IWL200_UCODE_API_MAX));