1 /******************************************************************************
3 * Copyright(c) 2008 - 2010 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 Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
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>
40 #include "iwl-eeprom.h"
45 #include "iwl-helpers.h"
46 #include "iwl-5000-hw.h"
47 #include "iwl-6000-hw.h"
48 #include "iwl-agn-led.h"
50 /* Highest firmware API version supported */
51 #define IWL6000_UCODE_API_MAX 4
52 #define IWL6050_UCODE_API_MAX 4
54 /* Lowest firmware API version supported */
55 #define IWL6000_UCODE_API_MIN 4
56 #define IWL6050_UCODE_API_MIN 4
58 #define IWL6000_FW_PRE "iwlwifi-6000-"
59 #define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode"
60 #define IWL6000_MODULE_FIRMWARE(api) _IWL6000_MODULE_FIRMWARE(api)
62 #define IWL6050_FW_PRE "iwlwifi-6050-"
63 #define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode"
64 #define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api)
66 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
69 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
70 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
73 /* NIC configuration for 6000 series */
74 static void iwl6000_nic_config(struct iwl_priv *priv)
78 radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
80 /* write radio config values to register */
81 if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
82 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
83 EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
84 EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
85 EEPROM_RF_CFG_DASH_MSK(radio_cfg));
87 /* set CSR_HW_CONFIG_REG for uCode use */
88 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
89 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
90 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
92 /* no locking required for register write */
93 if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
94 /* 2x2 IPA phy type */
95 iwl_write32(priv, CSR_GP_DRIVER_REG,
96 CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
98 /* else do nothing, uCode configured */
101 static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
103 .max_nrg_cck = 0, /* not used, set to 0 */
104 .auto_corr_min_ofdm = 80,
105 .auto_corr_min_ofdm_mrc = 128,
106 .auto_corr_min_ofdm_x1 = 105,
107 .auto_corr_min_ofdm_mrc_x1 = 192,
109 .auto_corr_max_ofdm = 145,
110 .auto_corr_max_ofdm_mrc = 232,
111 .auto_corr_max_ofdm_x1 = 110,
112 .auto_corr_max_ofdm_mrc_x1 = 232,
114 .auto_corr_min_cck = 125,
115 .auto_corr_max_cck = 175,
116 .auto_corr_min_cck_mrc = 160,
117 .auto_corr_max_cck_mrc = 310,
121 .barker_corr_th_min = 190,
122 .barker_corr_th_min_mrc = 390,
126 static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
128 if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
129 priv->cfg->mod_params->num_of_queues <= IWL50_NUM_QUEUES)
130 priv->cfg->num_of_queues =
131 priv->cfg->mod_params->num_of_queues;
133 priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
134 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
135 priv->hw_params.scd_bc_tbls_size =
136 priv->cfg->num_of_queues *
137 sizeof(struct iwl5000_scd_bc_tbl);
138 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
139 priv->hw_params.max_stations = IWL5000_STATION_COUNT;
140 priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
142 priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
143 priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
145 priv->hw_params.max_bsm_size = 0;
146 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
147 BIT(IEEE80211_BAND_5GHZ);
148 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
150 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
151 priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
152 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
153 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
155 if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
156 priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
158 /* Set initial sensitivity parameters */
159 /* Set initial calibration set */
160 priv->hw_params.sens = &iwl6000_sensitivity;
161 switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
162 case CSR_HW_REV_TYPE_6x50:
163 priv->hw_params.calib_init_cfg =
164 BIT(IWL_CALIB_XTAL) |
167 BIT(IWL_CALIB_TX_IQ) |
168 BIT(IWL_CALIB_BASE_BAND);
172 priv->hw_params.calib_init_cfg =
173 BIT(IWL_CALIB_XTAL) |
175 BIT(IWL_CALIB_TX_IQ) |
176 BIT(IWL_CALIB_BASE_BAND);
183 static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
185 struct iwl6000_channel_switch_cmd cmd;
186 const struct iwl_channel_info *ch_info;
187 struct iwl_host_cmd hcmd = {
188 .id = REPLY_CHANNEL_SWITCH,
190 .flags = CMD_SIZE_HUGE,
194 IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
195 priv->active_rxon.channel, channel);
197 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
198 cmd.channel = cpu_to_le16(channel);
199 cmd.rxon_flags = priv->staging_rxon.flags;
200 cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
201 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
202 ch_info = iwl_get_channel_info(priv, priv->band, channel);
204 cmd.expect_beacon = is_channel_radar(ch_info);
206 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
207 priv->active_rxon.channel, channel);
210 priv->switch_rxon.channel = cpu_to_le16(channel);
211 priv->switch_rxon.switch_in_progress = true;
213 return iwl_send_cmd_sync(priv, &hcmd);
216 static struct iwl_lib_ops iwl6000_lib = {
217 .set_hw_params = iwl6000_hw_set_hw_params,
218 .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
219 .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
220 .txq_set_sched = iwl5000_txq_set_sched,
221 .txq_agg_enable = iwl5000_txq_agg_enable,
222 .txq_agg_disable = iwl5000_txq_agg_disable,
223 .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
224 .txq_free_tfd = iwl_hw_txq_free_tfd,
225 .txq_init = iwl_hw_tx_queue_init,
226 .rx_handler_setup = iwl5000_rx_handler_setup,
227 .setup_deferred_work = iwl5000_setup_deferred_work,
228 .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
229 .load_ucode = iwl5000_load_ucode,
230 .dump_nic_event_log = iwl_dump_nic_event_log,
231 .dump_nic_error_log = iwl_dump_nic_error_log,
232 .dump_csr = iwl_dump_csr,
233 .dump_fh = iwl_dump_fh,
234 .init_alive_start = iwl5000_init_alive_start,
235 .alive_notify = iwl5000_alive_notify,
236 .send_tx_power = iwl5000_send_tx_power,
237 .update_chain_flags = iwl_update_chain_flags,
238 .set_channel_switch = iwl6000_hw_channel_switch,
240 .init = iwl_apm_init,
241 .stop = iwl_apm_stop,
242 .config = iwl6000_nic_config,
243 .set_pwr_src = iwl_set_pwr_src,
246 .regulatory_bands = {
247 EEPROM_5000_REG_BAND_1_CHANNELS,
248 EEPROM_5000_REG_BAND_2_CHANNELS,
249 EEPROM_5000_REG_BAND_3_CHANNELS,
250 EEPROM_5000_REG_BAND_4_CHANNELS,
251 EEPROM_5000_REG_BAND_5_CHANNELS,
252 EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
253 EEPROM_5000_REG_BAND_52_HT40_CHANNELS
255 .verify_signature = iwlcore_eeprom_verify_signature,
256 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
257 .release_semaphore = iwlcore_eeprom_release_semaphore,
258 .calib_version = iwl5000_eeprom_calib_version,
259 .query_addr = iwl5000_eeprom_query_addr,
260 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
262 .post_associate = iwl_post_associate,
264 .config_ap = iwl_config_ap,
266 .temperature = iwl5000_temperature,
267 .set_ct_kill = iwl6000_set_ct_threshold,
269 .add_bcast_station = iwl_add_bcast_station,
272 static const struct iwl_ops iwl6000_ops = {
273 .ucode = &iwl5000_ucode,
275 .hcmd = &iwl5000_hcmd,
276 .utils = &iwl5000_hcmd_utils,
277 .led = &iwlagn_led_ops,
281 * "i": Internal configuration, use internal Power Amplifier
283 struct iwl_cfg iwl6000i_2agn_cfg = {
284 .name = "6000 Series 2x2 AGN",
285 .fw_name_pre = IWL6000_FW_PRE,
286 .ucode_api_max = IWL6000_UCODE_API_MAX,
287 .ucode_api_min = IWL6000_UCODE_API_MIN,
288 .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
290 .eeprom_size = OTP_LOW_IMAGE_SIZE,
291 .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
292 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
293 .num_of_queues = IWL50_NUM_QUEUES,
294 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
295 .mod_params = &iwl50_mod_params,
296 .valid_tx_ant = ANT_BC,
297 .valid_rx_ant = ANT_BC,
301 .pa_type = IWL_PA_INTERNAL,
302 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
303 .shadow_ram_support = true,
304 .ht_greenfield_support = true,
305 .led_compensation = 51,
306 .use_rts_for_ht = true, /* use rts/cts protection */
307 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
308 .supports_idle = true,
309 .adv_thermal_throttle = true,
310 .support_ct_kill_exit = true,
311 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
312 .chain_noise_scale = 1000,
315 struct iwl_cfg iwl6000i_2abg_cfg = {
316 .name = "6000 Series 2x2 ABG",
317 .fw_name_pre = IWL6000_FW_PRE,
318 .ucode_api_max = IWL6000_UCODE_API_MAX,
319 .ucode_api_min = IWL6000_UCODE_API_MIN,
320 .sku = IWL_SKU_A|IWL_SKU_G,
322 .eeprom_size = OTP_LOW_IMAGE_SIZE,
323 .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
324 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
325 .num_of_queues = IWL50_NUM_QUEUES,
326 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
327 .mod_params = &iwl50_mod_params,
328 .valid_tx_ant = ANT_BC,
329 .valid_rx_ant = ANT_BC,
333 .pa_type = IWL_PA_INTERNAL,
334 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
335 .shadow_ram_support = true,
336 .ht_greenfield_support = true,
337 .led_compensation = 51,
338 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
339 .supports_idle = true,
340 .adv_thermal_throttle = true,
341 .support_ct_kill_exit = true,
342 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
343 .chain_noise_scale = 1000,
346 struct iwl_cfg iwl6000i_2bg_cfg = {
347 .name = "6000 Series 2x2 BG",
348 .fw_name_pre = IWL6000_FW_PRE,
349 .ucode_api_max = IWL6000_UCODE_API_MAX,
350 .ucode_api_min = IWL6000_UCODE_API_MIN,
353 .eeprom_size = OTP_LOW_IMAGE_SIZE,
354 .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
355 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
356 .num_of_queues = IWL50_NUM_QUEUES,
357 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
358 .mod_params = &iwl50_mod_params,
359 .valid_tx_ant = ANT_BC,
360 .valid_rx_ant = ANT_BC,
364 .pa_type = IWL_PA_INTERNAL,
365 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
366 .shadow_ram_support = true,
367 .ht_greenfield_support = true,
368 .led_compensation = 51,
369 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
370 .supports_idle = true,
371 .adv_thermal_throttle = true,
372 .support_ct_kill_exit = true,
373 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
374 .chain_noise_scale = 1000,
377 struct iwl_cfg iwl6050_2agn_cfg = {
378 .name = "6050 Series 2x2 AGN",
379 .fw_name_pre = IWL6050_FW_PRE,
380 .ucode_api_max = IWL6050_UCODE_API_MAX,
381 .ucode_api_min = IWL6050_UCODE_API_MIN,
382 .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
384 .eeprom_size = OTP_LOW_IMAGE_SIZE,
385 .eeprom_ver = EEPROM_6050_EEPROM_VERSION,
386 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
387 .num_of_queues = IWL50_NUM_QUEUES,
388 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
389 .mod_params = &iwl50_mod_params,
390 .valid_tx_ant = ANT_AB,
391 .valid_rx_ant = ANT_AB,
395 .pa_type = IWL_PA_SYSTEM,
396 .max_ll_items = OTP_MAX_LL_ITEMS_6x50,
397 .shadow_ram_support = true,
398 .ht_greenfield_support = true,
399 .led_compensation = 51,
400 .use_rts_for_ht = true, /* use rts/cts protection */
401 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
402 .supports_idle = true,
403 .adv_thermal_throttle = true,
404 .support_ct_kill_exit = true,
405 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
406 .chain_noise_scale = 1500,
409 struct iwl_cfg iwl6050_2abg_cfg = {
410 .name = "6050 Series 2x2 ABG",
411 .fw_name_pre = IWL6050_FW_PRE,
412 .ucode_api_max = IWL6050_UCODE_API_MAX,
413 .ucode_api_min = IWL6050_UCODE_API_MIN,
414 .sku = IWL_SKU_A|IWL_SKU_G,
416 .eeprom_size = OTP_LOW_IMAGE_SIZE,
417 .eeprom_ver = EEPROM_6050_EEPROM_VERSION,
418 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
419 .num_of_queues = IWL50_NUM_QUEUES,
420 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
421 .mod_params = &iwl50_mod_params,
422 .valid_tx_ant = ANT_AB,
423 .valid_rx_ant = ANT_AB,
427 .pa_type = IWL_PA_SYSTEM,
428 .max_ll_items = OTP_MAX_LL_ITEMS_6x50,
429 .shadow_ram_support = true,
430 .ht_greenfield_support = true,
431 .led_compensation = 51,
432 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
433 .supports_idle = true,
434 .adv_thermal_throttle = true,
435 .support_ct_kill_exit = true,
436 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
437 .chain_noise_scale = 1500,
440 struct iwl_cfg iwl6000_3agn_cfg = {
441 .name = "6000 Series 3x3 AGN",
442 .fw_name_pre = IWL6000_FW_PRE,
443 .ucode_api_max = IWL6000_UCODE_API_MAX,
444 .ucode_api_min = IWL6000_UCODE_API_MIN,
445 .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
447 .eeprom_size = OTP_LOW_IMAGE_SIZE,
448 .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
449 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
450 .num_of_queues = IWL50_NUM_QUEUES,
451 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
452 .mod_params = &iwl50_mod_params,
453 .valid_tx_ant = ANT_ABC,
454 .valid_rx_ant = ANT_ABC,
458 .pa_type = IWL_PA_SYSTEM,
459 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
460 .shadow_ram_support = true,
461 .ht_greenfield_support = true,
462 .led_compensation = 51,
463 .use_rts_for_ht = true, /* use rts/cts protection */
464 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
465 .supports_idle = true,
466 .adv_thermal_throttle = true,
467 .support_ct_kill_exit = true,
468 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
469 .chain_noise_scale = 1000,
472 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
473 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));