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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c455
1 files changed, 455 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
new file mode 100644
index 00000000000..c95cefd529d
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+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
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1/******************************************************************************
2 *
3 * Copyright(c) 2007 - 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.
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 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/delay.h>
31#include <linux/sched.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#include <linux/stringify.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-helpers.h"
46#include "iwl-agn.h"
47#include "iwl-agn-hw.h"
48#include "iwl-5000-hw.h"
49#include "iwl-trans.h"
50
51/* Highest firmware API version supported */
52#define IWL5000_UCODE_API_MAX 5
53#define IWL5150_UCODE_API_MAX 2
54
55/* Lowest firmware API version supported */
56#define IWL5000_UCODE_API_MIN 1
57#define IWL5150_UCODE_API_MIN 1
58
59#define IWL5000_FW_PRE "iwlwifi-5000-"
60#define IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE __stringify(api) ".ucode"
61
62#define IWL5150_FW_PRE "iwlwifi-5150-"
63#define IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE __stringify(api) ".ucode"
64
65/* NIC configuration for 5000 series */
66static void iwl5000_nic_config(struct iwl_priv *priv)
67{
68 unsigned long flags;
69
70 iwl_rf_config(priv);
71
72 spin_lock_irqsave(&priv->lock, flags);
73
74 /* W/A : NIC is stuck in a reset state after Early PCIe power off
75 * (PCIe power is lost before PERST# is asserted),
76 * causing ME FW to lose ownership and not being able to obtain it back.
77 */
78 iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
79 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
80 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
81
82
83 spin_unlock_irqrestore(&priv->lock, flags);
84}
85
86static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
87 .min_nrg_cck = 95,
88 .max_nrg_cck = 0, /* not used, set to 0 */
89 .auto_corr_min_ofdm = 90,
90 .auto_corr_min_ofdm_mrc = 170,
91 .auto_corr_min_ofdm_x1 = 120,
92 .auto_corr_min_ofdm_mrc_x1 = 240,
93
94 .auto_corr_max_ofdm = 120,
95 .auto_corr_max_ofdm_mrc = 210,
96 .auto_corr_max_ofdm_x1 = 120,
97 .auto_corr_max_ofdm_mrc_x1 = 240,
98
99 .auto_corr_min_cck = 125,
100 .auto_corr_max_cck = 200,
101 .auto_corr_min_cck_mrc = 170,
102 .auto_corr_max_cck_mrc = 400,
103 .nrg_th_cck = 95,
104 .nrg_th_ofdm = 95,
105
106 .barker_corr_th_min = 190,
107 .barker_corr_th_min_mrc = 390,
108 .nrg_th_cca = 62,
109};
110
111static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
112 .min_nrg_cck = 95,
113 .max_nrg_cck = 0, /* not used, set to 0 */
114 .auto_corr_min_ofdm = 90,
115 .auto_corr_min_ofdm_mrc = 170,
116 .auto_corr_min_ofdm_x1 = 105,
117 .auto_corr_min_ofdm_mrc_x1 = 220,
118
119 .auto_corr_max_ofdm = 120,
120 .auto_corr_max_ofdm_mrc = 210,
121 /* max = min for performance bug in 5150 DSP */
122 .auto_corr_max_ofdm_x1 = 105,
123 .auto_corr_max_ofdm_mrc_x1 = 220,
124
125 .auto_corr_min_cck = 125,
126 .auto_corr_max_cck = 200,
127 .auto_corr_min_cck_mrc = 170,
128 .auto_corr_max_cck_mrc = 400,
129 .nrg_th_cck = 95,
130 .nrg_th_ofdm = 95,
131
132 .barker_corr_th_min = 190,
133 .barker_corr_th_min_mrc = 390,
134 .nrg_th_cca = 62,
135};
136
137static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
138{
139 const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
140 s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) -
141 iwl_temp_calib_to_offset(priv);
142
143 priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef;
144}
145
146static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
147{
148 /* want Celsius */
149 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
150}
151
152static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
153{
154 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
155 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
156 priv->cfg->base_params->num_of_queues =
157 iwlagn_mod_params.num_of_queues;
158
159 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
160 priv->hw_params.scd_bc_tbls_size =
161 priv->cfg->base_params->num_of_queues *
162 sizeof(struct iwlagn_scd_bc_tbl);
163 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
164 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
165 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
166
167 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
168 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
169
170 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
171 BIT(IEEE80211_BAND_5GHZ);
172
173 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
174 priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
175 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
176 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
177
178 iwl5000_set_ct_threshold(priv);
179
180 /* Set initial sensitivity parameters */
181 /* Set initial calibration set */
182 priv->hw_params.sens = &iwl5000_sensitivity;
183 priv->hw_params.calib_init_cfg =
184 BIT(IWL_CALIB_XTAL) |
185 BIT(IWL_CALIB_LO) |
186 BIT(IWL_CALIB_TX_IQ) |
187 BIT(IWL_CALIB_TX_IQ_PERD) |
188 BIT(IWL_CALIB_BASE_BAND);
189
190 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
191
192 return 0;
193}
194
195static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
196{
197 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
198 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
199 priv->cfg->base_params->num_of_queues =
200 iwlagn_mod_params.num_of_queues;
201
202 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
203 priv->hw_params.scd_bc_tbls_size =
204 priv->cfg->base_params->num_of_queues *
205 sizeof(struct iwlagn_scd_bc_tbl);
206 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
207 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
208 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
209
210 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
211 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
212
213 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
214 BIT(IEEE80211_BAND_5GHZ);
215
216 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
217 priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
218 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
219 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
220
221 iwl5150_set_ct_threshold(priv);
222
223 /* Set initial sensitivity parameters */
224 /* Set initial calibration set */
225 priv->hw_params.sens = &iwl5150_sensitivity;
226 priv->hw_params.calib_init_cfg =
227 BIT(IWL_CALIB_LO) |
228 BIT(IWL_CALIB_TX_IQ) |
229 BIT(IWL_CALIB_BASE_BAND);
230 if (priv->cfg->need_dc_calib)
231 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
232
233 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
234
235 return 0;
236}
237
238static void iwl5150_temperature(struct iwl_priv *priv)
239{
240 u32 vt = 0;
241 s32 offset = iwl_temp_calib_to_offset(priv);
242
243 vt = le32_to_cpu(priv->statistics.common.temperature);
244 vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
245 /* now vt hold the temperature in Kelvin */
246 priv->temperature = KELVIN_TO_CELSIUS(vt);
247 iwl_tt_handler(priv);
248}
249
250static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
251 struct ieee80211_channel_switch *ch_switch)
252{
253 /*
254 * MULTI-FIXME
255 * See iwl_mac_channel_switch.
256 */
257 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
258 struct iwl5000_channel_switch_cmd cmd;
259 const struct iwl_channel_info *ch_info;
260 u32 switch_time_in_usec, ucode_switch_time;
261 u16 ch;
262 u32 tsf_low;
263 u8 switch_count;
264 u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
265 struct ieee80211_vif *vif = ctx->vif;
266 struct iwl_host_cmd hcmd = {
267 .id = REPLY_CHANNEL_SWITCH,
268 .len = { sizeof(cmd), },
269 .flags = CMD_SYNC,
270 .data = { &cmd, },
271 };
272
273 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
274 ch = ch_switch->channel->hw_value;
275 IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
276 ctx->active.channel, ch);
277 cmd.channel = cpu_to_le16(ch);
278 cmd.rxon_flags = ctx->staging.flags;
279 cmd.rxon_filter_flags = ctx->staging.filter_flags;
280 switch_count = ch_switch->count;
281 tsf_low = ch_switch->timestamp & 0x0ffffffff;
282 /*
283 * calculate the ucode channel switch time
284 * adding TSF as one of the factor for when to switch
285 */
286 if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
287 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
288 beacon_interval)) {
289 switch_count -= (priv->ucode_beacon_time -
290 tsf_low) / beacon_interval;
291 } else
292 switch_count = 0;
293 }
294 if (switch_count <= 1)
295 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
296 else {
297 switch_time_in_usec =
298 vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
299 ucode_switch_time = iwl_usecs_to_beacons(priv,
300 switch_time_in_usec,
301 beacon_interval);
302 cmd.switch_time = iwl_add_beacon_time(priv,
303 priv->ucode_beacon_time,
304 ucode_switch_time,
305 beacon_interval);
306 }
307 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
308 cmd.switch_time);
309 ch_info = iwl_get_channel_info(priv, priv->band, ch);
310 if (ch_info)
311 cmd.expect_beacon = is_channel_radar(ch_info);
312 else {
313 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
314 ctx->active.channel, ch);
315 return -EFAULT;
316 }
317
318 return trans_send_cmd(&priv->trans, &hcmd);
319}
320
321static struct iwl_lib_ops iwl5000_lib = {
322 .set_hw_params = iwl5000_hw_set_hw_params,
323 .set_channel_switch = iwl5000_hw_channel_switch,
324 .nic_config = iwl5000_nic_config,
325 .eeprom_ops = {
326 .regulatory_bands = {
327 EEPROM_REG_BAND_1_CHANNELS,
328 EEPROM_REG_BAND_2_CHANNELS,
329 EEPROM_REG_BAND_3_CHANNELS,
330 EEPROM_REG_BAND_4_CHANNELS,
331 EEPROM_REG_BAND_5_CHANNELS,
332 EEPROM_REG_BAND_24_HT40_CHANNELS,
333 EEPROM_REG_BAND_52_HT40_CHANNELS
334 },
335 },
336 .temperature = iwlagn_temperature,
337};
338
339static struct iwl_lib_ops iwl5150_lib = {
340 .set_hw_params = iwl5150_hw_set_hw_params,
341 .set_channel_switch = iwl5000_hw_channel_switch,
342 .nic_config = iwl5000_nic_config,
343 .eeprom_ops = {
344 .regulatory_bands = {
345 EEPROM_REG_BAND_1_CHANNELS,
346 EEPROM_REG_BAND_2_CHANNELS,
347 EEPROM_REG_BAND_3_CHANNELS,
348 EEPROM_REG_BAND_4_CHANNELS,
349 EEPROM_REG_BAND_5_CHANNELS,
350 EEPROM_REG_BAND_24_HT40_CHANNELS,
351 EEPROM_REG_BAND_52_HT40_CHANNELS
352 },
353 },
354 .temperature = iwl5150_temperature,
355};
356
357static struct iwl_base_params iwl5000_base_params = {
358 .eeprom_size = IWLAGN_EEPROM_IMG_SIZE,
359 .num_of_queues = IWLAGN_NUM_QUEUES,
360 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
361 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
362 .led_compensation = 51,
363 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
364 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
365 .chain_noise_scale = 1000,
366 .wd_timeout = IWL_LONG_WD_TIMEOUT,
367 .max_event_log_size = 512,
368 .no_idle_support = true,
369};
370static struct iwl_ht_params iwl5000_ht_params = {
371 .ht_greenfield_support = true,
372};
373
374#define IWL_DEVICE_5000 \
375 .fw_name_pre = IWL5000_FW_PRE, \
376 .ucode_api_max = IWL5000_UCODE_API_MAX, \
377 .ucode_api_min = IWL5000_UCODE_API_MIN, \
378 .eeprom_ver = EEPROM_5000_EEPROM_VERSION, \
379 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, \
380 .lib = &iwl5000_lib, \
381 .base_params = &iwl5000_base_params, \
382 .led_mode = IWL_LED_BLINK
383
384struct iwl_cfg iwl5300_agn_cfg = {
385 .name = "Intel(R) Ultimate N WiFi Link 5300 AGN",
386 IWL_DEVICE_5000,
387 /* at least EEPROM 0x11A has wrong info */
388 .valid_tx_ant = ANT_ABC, /* .cfg overwrite */
389 .valid_rx_ant = ANT_ABC, /* .cfg overwrite */
390 .ht_params = &iwl5000_ht_params,
391};
392
393struct iwl_cfg iwl5100_bgn_cfg = {
394 .name = "Intel(R) WiFi Link 5100 BGN",
395 IWL_DEVICE_5000,
396 .valid_tx_ant = ANT_B, /* .cfg overwrite */
397 .valid_rx_ant = ANT_AB, /* .cfg overwrite */
398 .ht_params = &iwl5000_ht_params,
399};
400
401struct iwl_cfg iwl5100_abg_cfg = {
402 .name = "Intel(R) WiFi Link 5100 ABG",
403 IWL_DEVICE_5000,
404 .valid_tx_ant = ANT_B, /* .cfg overwrite */
405 .valid_rx_ant = ANT_AB, /* .cfg overwrite */
406};
407
408struct iwl_cfg iwl5100_agn_cfg = {
409 .name = "Intel(R) WiFi Link 5100 AGN",
410 IWL_DEVICE_5000,
411 .valid_tx_ant = ANT_B, /* .cfg overwrite */
412 .valid_rx_ant = ANT_AB, /* .cfg overwrite */
413 .ht_params = &iwl5000_ht_params,
414};
415
416struct iwl_cfg iwl5350_agn_cfg = {
417 .name = "Intel(R) WiMAX/WiFi Link 5350 AGN",
418 .fw_name_pre = IWL5000_FW_PRE,
419 .ucode_api_max = IWL5000_UCODE_API_MAX,
420 .ucode_api_min = IWL5000_UCODE_API_MIN,
421 .eeprom_ver = EEPROM_5050_EEPROM_VERSION,
422 .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
423 .lib = &iwl5000_lib,
424 .base_params = &iwl5000_base_params,
425 .ht_params = &iwl5000_ht_params,
426 .led_mode = IWL_LED_BLINK,
427 .internal_wimax_coex = true,
428};
429
430#define IWL_DEVICE_5150 \
431 .fw_name_pre = IWL5150_FW_PRE, \
432 .ucode_api_max = IWL5150_UCODE_API_MAX, \
433 .ucode_api_min = IWL5150_UCODE_API_MIN, \
434 .eeprom_ver = EEPROM_5050_EEPROM_VERSION, \
435 .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \
436 .lib = &iwl5150_lib, \
437 .base_params = &iwl5000_base_params, \
438 .need_dc_calib = true, \
439 .led_mode = IWL_LED_BLINK, \
440 .internal_wimax_coex = true
441
442struct iwl_cfg iwl5150_agn_cfg = {
443 .name = "Intel(R) WiMAX/WiFi Link 5150 AGN",
444 IWL_DEVICE_5150,
445 .ht_params = &iwl5000_ht_params,
446
447};
448
449struct iwl_cfg iwl5150_abg_cfg = {
450 .name = "Intel(R) WiMAX/WiFi Link 5150 ABG",
451 IWL_DEVICE_5150,
452};
453
454MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
455MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-20 17:40:08 -0400