iwlagn: PAPD read for 2000 series devices
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / iwlwifi / iwl-2000.c
blob86d7ffd6e38b69b29311e88837c55ea2a3c42c37
1 /******************************************************************************
3 * Copyright(c) 2008 - 2011 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
12 * more details.
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"
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"
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
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
62 #define IWL2030_FW_PRE "iwlwifi-2030-"
63 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE #api ".ucode"
65 #define IWL2000_FW_PRE "iwlwifi-2000-"
66 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE #api ".ucode"
68 #define IWL200_FW_PRE "iwlwifi-200-"
69 #define IWL200_MODULE_FIRMWARE(api) IWL200_FW_PRE #api ".ucode"
71 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
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;
78 /* NIC configuration for 2000 series */
79 static void iwl2000_nic_config(struct iwl_priv *priv)
81 u16 radio_cfg;
83 radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
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));
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);
97 if (priv->cfg->iq_invert)
98 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
99 CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
101 if (priv->cfg->disable_otp_refresh)
102 iwl_write_prph(priv, APMG_ANALOG_SVR_REG, 0x80000010);
105 static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
106 .min_nrg_cck = 97,
107 .max_nrg_cck = 0, /* not used, set to 0 */
108 .auto_corr_min_ofdm = 80,
109 .auto_corr_min_ofdm_mrc = 128,
110 .auto_corr_min_ofdm_x1 = 105,
111 .auto_corr_min_ofdm_mrc_x1 = 192,
113 .auto_corr_max_ofdm = 145,
114 .auto_corr_max_ofdm_mrc = 232,
115 .auto_corr_max_ofdm_x1 = 110,
116 .auto_corr_max_ofdm_mrc_x1 = 232,
118 .auto_corr_min_cck = 125,
119 .auto_corr_max_cck = 175,
120 .auto_corr_min_cck_mrc = 160,
121 .auto_corr_max_cck_mrc = 310,
122 .nrg_th_cck = 97,
123 .nrg_th_ofdm = 100,
125 .barker_corr_th_min = 190,
126 .barker_corr_th_min_mrc = 390,
127 .nrg_th_cca = 62,
130 static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
132 if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
133 priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
134 priv->cfg->base_params->num_of_queues =
135 priv->cfg->mod_params->num_of_queues;
137 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
138 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
139 priv->hw_params.scd_bc_tbls_size =
140 priv->cfg->base_params->num_of_queues *
141 sizeof(struct iwlagn_scd_bc_tbl);
142 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
143 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
144 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
146 priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
147 priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
149 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
150 BIT(IEEE80211_BAND_5GHZ);
151 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
153 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
154 if (priv->cfg->rx_with_siso_diversity)
155 priv->hw_params.rx_chains_num = 1;
156 else
157 priv->hw_params.rx_chains_num =
158 num_of_ant(priv->cfg->valid_rx_ant);
159 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
160 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
162 iwl2000_set_ct_threshold(priv);
164 /* Set initial sensitivity parameters */
165 /* Set initial calibration set */
166 priv->hw_params.sens = &iwl2000_sensitivity;
167 priv->hw_params.calib_init_cfg =
168 BIT(IWL_CALIB_XTAL) |
169 BIT(IWL_CALIB_LO) |
170 BIT(IWL_CALIB_TX_IQ) |
171 BIT(IWL_CALIB_BASE_BAND);
172 if (priv->cfg->need_dc_calib)
173 priv->hw_params.calib_rt_cfg |= BIT(IWL_CALIB_CFG_DC_IDX);
174 if (priv->cfg->need_temp_offset_calib)
175 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
177 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
179 return 0;
182 static int iwl2030_hw_channel_switch(struct iwl_priv *priv,
183 struct ieee80211_channel_switch *ch_switch)
186 * MULTI-FIXME
187 * See iwl_mac_channel_switch.
189 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
190 struct iwl6000_channel_switch_cmd cmd;
191 const struct iwl_channel_info *ch_info;
192 u32 switch_time_in_usec, ucode_switch_time;
193 u16 ch;
194 u32 tsf_low;
195 u8 switch_count;
196 u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
197 struct ieee80211_vif *vif = ctx->vif;
198 struct iwl_host_cmd hcmd = {
199 .id = REPLY_CHANNEL_SWITCH,
200 .len = sizeof(cmd),
201 .flags = CMD_SYNC,
202 .data = &cmd,
205 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
206 ch = ch_switch->channel->hw_value;
207 IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
208 ctx->active.channel, ch);
209 cmd.channel = cpu_to_le16(ch);
210 cmd.rxon_flags = ctx->staging.flags;
211 cmd.rxon_filter_flags = ctx->staging.filter_flags;
212 switch_count = ch_switch->count;
213 tsf_low = ch_switch->timestamp & 0x0ffffffff;
215 * calculate the ucode channel switch time
216 * adding TSF as one of the factor for when to switch
218 if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
219 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
220 beacon_interval)) {
221 switch_count -= (priv->ucode_beacon_time -
222 tsf_low) / beacon_interval;
223 } else
224 switch_count = 0;
226 if (switch_count <= 1)
227 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
228 else {
229 switch_time_in_usec =
230 vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
231 ucode_switch_time = iwl_usecs_to_beacons(priv,
232 switch_time_in_usec,
233 beacon_interval);
234 cmd.switch_time = iwl_add_beacon_time(priv,
235 priv->ucode_beacon_time,
236 ucode_switch_time,
237 beacon_interval);
239 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
240 cmd.switch_time);
241 ch_info = iwl_get_channel_info(priv, priv->band, ch);
242 if (ch_info)
243 cmd.expect_beacon = is_channel_radar(ch_info);
244 else {
245 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
246 ctx->active.channel, ch);
247 return -EFAULT;
249 priv->switch_rxon.channel = cmd.channel;
250 priv->switch_rxon.switch_in_progress = true;
252 return iwl_send_cmd_sync(priv, &hcmd);
255 static struct iwl_lib_ops iwl2000_lib = {
256 .set_hw_params = iwl2000_hw_set_hw_params,
257 .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
258 .txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
259 .txq_set_sched = iwlagn_txq_set_sched,
260 .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
261 .txq_free_tfd = iwl_hw_txq_free_tfd,
262 .txq_init = iwl_hw_tx_queue_init,
263 .rx_handler_setup = iwlagn_rx_handler_setup,
264 .setup_deferred_work = iwlagn_bt_setup_deferred_work,
265 .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
266 .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
267 .send_tx_power = iwlagn_send_tx_power,
268 .update_chain_flags = iwl_update_chain_flags,
269 .set_channel_switch = iwl2030_hw_channel_switch,
270 .apm_ops = {
271 .init = iwl_apm_init,
272 .config = iwl2000_nic_config,
274 .eeprom_ops = {
275 .regulatory_bands = {
276 EEPROM_REG_BAND_1_CHANNELS,
277 EEPROM_REG_BAND_2_CHANNELS,
278 EEPROM_REG_BAND_3_CHANNELS,
279 EEPROM_REG_BAND_4_CHANNELS,
280 EEPROM_REG_BAND_5_CHANNELS,
281 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
282 EEPROM_REG_BAND_52_HT40_CHANNELS
284 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
285 .release_semaphore = iwlcore_eeprom_release_semaphore,
286 .calib_version = iwlagn_eeprom_calib_version,
287 .query_addr = iwlagn_eeprom_query_addr,
288 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
290 .temp_ops = {
291 .temperature = iwlagn_temperature,
293 .debugfs_ops = {
294 .rx_stats_read = iwl_ucode_rx_stats_read,
295 .tx_stats_read = iwl_ucode_tx_stats_read,
296 .general_stats_read = iwl_ucode_general_stats_read,
297 .bt_stats_read = iwl_ucode_bt_stats_read,
298 .reply_tx_error = iwl_reply_tx_error_read,
300 .txfifo_flush = iwlagn_txfifo_flush,
301 .dev_txfifo_flush = iwlagn_dev_txfifo_flush,
302 .tt_ops = {
303 .lower_power_detection = iwl_tt_is_low_power_state,
304 .tt_power_mode = iwl_tt_current_power_mode,
305 .ct_kill_check = iwl_check_for_ct_kill,
309 static const struct iwl_ops iwl2000_ops = {
310 .lib = &iwl2000_lib,
311 .hcmd = &iwlagn_hcmd,
312 .utils = &iwlagn_hcmd_utils,
313 .led = &iwlagn_led_ops,
314 .ieee80211_ops = &iwlagn_hw_ops,
317 static const struct iwl_ops iwl2030_ops = {
318 .lib = &iwl2000_lib,
319 .hcmd = &iwlagn_bt_hcmd,
320 .utils = &iwlagn_hcmd_utils,
321 .led = &iwlagn_led_ops,
322 .ieee80211_ops = &iwlagn_hw_ops,
325 static const struct iwl_ops iwl200_ops = {
326 .lib = &iwl2000_lib,
327 .hcmd = &iwlagn_hcmd,
328 .utils = &iwlagn_hcmd_utils,
329 .led = &iwlagn_led_ops,
330 .ieee80211_ops = &iwlagn_hw_ops,
333 static const struct iwl_ops iwl230_ops = {
334 .lib = &iwl2000_lib,
335 .hcmd = &iwlagn_bt_hcmd,
336 .utils = &iwlagn_hcmd_utils,
337 .led = &iwlagn_led_ops,
338 .ieee80211_ops = &iwlagn_hw_ops,
341 static struct iwl_base_params iwl2000_base_params = {
342 .eeprom_size = OTP_LOW_IMAGE_SIZE,
343 .num_of_queues = IWLAGN_NUM_QUEUES,
344 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
345 .pll_cfg_val = 0,
346 .set_l0s = true,
347 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
348 .shadow_ram_support = true,
349 .led_compensation = 51,
350 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
351 .adv_thermal_throttle = true,
352 .support_ct_kill_exit = true,
353 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
354 .chain_noise_scale = 1000,
355 .wd_timeout = IWL_DEF_WD_TIMEOUT,
356 .max_event_log_size = 512,
357 .ucode_tracing = true,
358 .sensitivity_calib_by_driver = true,
359 .chain_noise_calib_by_driver = true,
360 .shadow_reg_enable = true,
364 static struct iwl_base_params iwl2030_base_params = {
365 .eeprom_size = OTP_LOW_IMAGE_SIZE,
366 .num_of_queues = IWLAGN_NUM_QUEUES,
367 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
368 .pll_cfg_val = 0,
369 .set_l0s = true,
370 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
371 .shadow_ram_support = true,
372 .led_compensation = 57,
373 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
374 .adv_thermal_throttle = true,
375 .support_ct_kill_exit = true,
376 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
377 .chain_noise_scale = 1000,
378 .wd_timeout = IWL_LONG_WD_TIMEOUT,
379 .max_event_log_size = 512,
380 .ucode_tracing = true,
381 .sensitivity_calib_by_driver = true,
382 .chain_noise_calib_by_driver = true,
383 .shadow_reg_enable = true,
386 static struct iwl_ht_params iwl2000_ht_params = {
387 .ht_greenfield_support = true,
388 .use_rts_for_aggregation = true, /* use rts/cts protection */
391 static struct iwl_bt_params iwl2030_bt_params = {
392 .bt_statistics = true,
393 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
394 .advanced_bt_coexist = true,
395 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
396 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
397 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
398 .bt_sco_disable = true,
399 .bt_session_2 = true,
402 #define IWL_DEVICE_2000 \
403 .fw_name_pre = IWL2000_FW_PRE, \
404 .ucode_api_max = IWL2000_UCODE_API_MAX, \
405 .ucode_api_min = IWL2000_UCODE_API_MIN, \
406 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
407 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
408 .ops = &iwl2000_ops, \
409 .mod_params = &iwlagn_mod_params, \
410 .base_params = &iwl2000_base_params, \
411 .need_dc_calib = true, \
412 .need_temp_offset_calib = true, \
413 .led_mode = IWL_LED_RF_STATE, \
414 .iq_invert = true, \
415 .disable_otp_refresh = true \
417 struct iwl_cfg iwl2000_2bgn_cfg = {
418 .name = "2000 Series 2x2 BGN",
419 IWL_DEVICE_2000,
420 .ht_params = &iwl2000_ht_params,
423 struct iwl_cfg iwl2000_2bg_cfg = {
424 .name = "2000 Series 2x2 BG",
425 IWL_DEVICE_2000,
428 #define IWL_DEVICE_2030 \
429 .fw_name_pre = IWL2030_FW_PRE, \
430 .ucode_api_max = IWL2030_UCODE_API_MAX, \
431 .ucode_api_min = IWL2030_UCODE_API_MIN, \
432 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
433 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
434 .ops = &iwl2030_ops, \
435 .mod_params = &iwlagn_mod_params, \
436 .base_params = &iwl2030_base_params, \
437 .bt_params = &iwl2030_bt_params, \
438 .need_dc_calib = true, \
439 .need_temp_offset_calib = true, \
440 .led_mode = IWL_LED_RF_STATE, \
441 .adv_pm = true, \
442 .iq_invert = true \
444 struct iwl_cfg iwl2030_2bgn_cfg = {
445 .name = "2000 Series 2x2 BGN/BT",
446 IWL_DEVICE_2030,
447 .ht_params = &iwl2000_ht_params,
450 struct iwl_cfg iwl2030_2bg_cfg = {
451 .name = "2000 Series 2x2 BG/BT",
452 IWL_DEVICE_2030,
455 #define IWL_DEVICE_200 \
456 .fw_name_pre = IWL200_FW_PRE, \
457 .ucode_api_max = IWL200_UCODE_API_MAX, \
458 .ucode_api_min = IWL200_UCODE_API_MIN, \
459 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
460 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
461 .ops = &iwl200_ops, \
462 .mod_params = &iwlagn_mod_params, \
463 .base_params = &iwl2000_base_params, \
464 .need_dc_calib = true, \
465 .need_temp_offset_calib = true, \
466 .led_mode = IWL_LED_RF_STATE, \
467 .adv_pm = true, \
468 .rx_with_siso_diversity = true \
470 struct iwl_cfg iwl200_bg_cfg = {
471 .name = "200 Series 1x1 BG",
472 IWL_DEVICE_200,
475 struct iwl_cfg iwl200_bgn_cfg = {
476 .name = "200 Series 1x1 BGN",
477 IWL_DEVICE_200,
478 .ht_params = &iwl2000_ht_params,
481 #define IWL_DEVICE_230 \
482 .fw_name_pre = IWL200_FW_PRE, \
483 .ucode_api_max = IWL200_UCODE_API_MAX, \
484 .ucode_api_min = IWL200_UCODE_API_MIN, \
485 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
486 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
487 .ops = &iwl230_ops, \
488 .mod_params = &iwlagn_mod_params, \
489 .base_params = &iwl2030_base_params, \
490 .bt_params = &iwl2030_bt_params, \
491 .need_dc_calib = true, \
492 .need_temp_offset_calib = true, \
493 .led_mode = IWL_LED_RF_STATE, \
494 .adv_pm = true, \
495 .rx_with_siso_diversity = true \
497 struct iwl_cfg iwl230_bg_cfg = {
498 .name = "200 Series 1x1 BG/BT",
499 IWL_DEVICE_230,
502 struct iwl_cfg iwl230_bgn_cfg = {
503 .name = "200 Series 1x1 BGN/BT",
504 IWL_DEVICE_230,
505 .ht_params = &iwl2000_ht_params,
508 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
509 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
510 MODULE_FIRMWARE(IWL200_MODULE_FIRMWARE(IWL200_UCODE_API_MAX));