]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/net/wireless/iwlwifi/iwl-1000.c
iwlwifi: rework broadcast station management
[net-next-2.6.git] / drivers / net / wireless / iwlwifi / iwl-1000.c
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1/******************************************************************************
2 *
1f447808 3 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
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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/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"
a1175124 45#include "iwl-agn.h"
c5d05698 46#include "iwl-helpers.h"
19e6cda0 47#include "iwl-agn-hw.h"
e932a609 48#include "iwl-agn-led.h"
b8c76267 49#include "iwl-agn-debugfs.h"
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50
51/* Highest firmware API version supported */
cce53aa3 52#define IWL1000_UCODE_API_MAX 3
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53
54/* Lowest firmware API version supported */
77dcb6a9 55#define IWL1000_UCODE_API_MIN 1
c5d05698 56
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57#define IWL1000_FW_PRE "iwlwifi-1000-"
58#define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
59#define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
c5d05698 60
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61
62/*
63 * For 1000, use advance thermal throttling critical temperature threshold,
64 * but legacy thermal management implementation for now.
65 * This is for the reason of 1000 uCode using advance thermal throttling API
66 * but not implement ct_kill_exit based on ct_kill exit temperature
67 * so the thermal throttling will still based on legacy thermal throttling
68 * management.
69 * The code here need to be modified once 1000 uCode has the advanced thermal
70 * throttling algorithm in place
71 */
72static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
73{
74 /* want Celsius */
75 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
76 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
77}
78
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79/* NIC configuration for 1000 series */
80static void iwl1000_nic_config(struct iwl_priv *priv)
81{
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82 /* set CSR_HW_CONFIG_REG for uCode use */
83 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
84 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
85 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
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86
87 /* Setting digital SVR for 1000 card to 1.32V */
88 /* locking is acquired in iwl_set_bits_mask_prph() function */
89 iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
90 APMG_SVR_DIGITAL_VOLTAGE_1_32,
91 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
92}
93
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94static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
95 .min_nrg_cck = 95,
96 .max_nrg_cck = 0, /* not used, set to 0 */
97 .auto_corr_min_ofdm = 90,
98 .auto_corr_min_ofdm_mrc = 170,
99 .auto_corr_min_ofdm_x1 = 120,
100 .auto_corr_min_ofdm_mrc_x1 = 240,
101
102 .auto_corr_max_ofdm = 120,
103 .auto_corr_max_ofdm_mrc = 210,
104 .auto_corr_max_ofdm_x1 = 155,
105 .auto_corr_max_ofdm_mrc_x1 = 290,
106
107 .auto_corr_min_cck = 125,
108 .auto_corr_max_cck = 200,
109 .auto_corr_min_cck_mrc = 170,
110 .auto_corr_max_cck_mrc = 400,
111 .nrg_th_cck = 95,
112 .nrg_th_ofdm = 95,
113
114 .barker_corr_th_min = 190,
115 .barker_corr_th_min_mrc = 390,
116 .nrg_th_cca = 62,
117};
118
119static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
120{
121 if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
19e6cda0 122 priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
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123 priv->cfg->num_of_queues =
124 priv->cfg->mod_params->num_of_queues;
125
126 priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
127 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
128 priv->hw_params.scd_bc_tbls_size =
129 priv->cfg->num_of_queues *
19e6cda0 130 sizeof(struct iwlagn_scd_bc_tbl);
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131 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
132 priv->hw_params.max_stations = IWL5000_STATION_COUNT;
133 priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
134
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135 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
136 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
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137
138 priv->hw_params.max_bsm_size = 0;
139 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
140 BIT(IEEE80211_BAND_5GHZ);
141 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
142
143 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
144 priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
145 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
146 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
147
148 if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
149 priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
150
151 /* Set initial sensitivity parameters */
152 /* Set initial calibration set */
153 priv->hw_params.sens = &iwl1000_sensitivity;
154 priv->hw_params.calib_init_cfg =
155 BIT(IWL_CALIB_XTAL) |
156 BIT(IWL_CALIB_LO) |
157 BIT(IWL_CALIB_TX_IQ) |
158 BIT(IWL_CALIB_TX_IQ_PERD) |
159 BIT(IWL_CALIB_BASE_BAND);
160
161 return 0;
162}
163
672639de 164static struct iwl_lib_ops iwl1000_lib = {
fac06108 165 .set_hw_params = iwl1000_hw_set_hw_params,
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166 .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
167 .txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
168 .txq_set_sched = iwlagn_txq_set_sched,
169 .txq_agg_enable = iwlagn_txq_agg_enable,
170 .txq_agg_disable = iwlagn_txq_agg_disable,
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171 .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
172 .txq_free_tfd = iwl_hw_txq_free_tfd,
173 .txq_init = iwl_hw_tx_queue_init,
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174 .rx_handler_setup = iwlagn_rx_handler_setup,
175 .setup_deferred_work = iwlagn_setup_deferred_work,
176 .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
81b8176e 177 .load_ucode = iwlagn_load_ucode,
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178 .dump_nic_event_log = iwl_dump_nic_event_log,
179 .dump_nic_error_log = iwl_dump_nic_error_log,
696bdee3 180 .dump_csr = iwl_dump_csr,
1b3eb823 181 .dump_fh = iwl_dump_fh,
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182 .init_alive_start = iwlagn_init_alive_start,
183 .alive_notify = iwlagn_alive_notify,
e04ed0a5 184 .send_tx_power = iwlagn_send_tx_power,
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185 .update_chain_flags = iwl_update_chain_flags,
186 .apm_ops = {
fadb3582 187 .init = iwl_apm_init,
d68b603c 188 .stop = iwl_apm_stop,
65b7998a 189 .config = iwl1000_nic_config,
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190 .set_pwr_src = iwl_set_pwr_src,
191 },
192 .eeprom_ops = {
193 .regulatory_bands = {
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194 EEPROM_REG_BAND_1_CHANNELS,
195 EEPROM_REG_BAND_2_CHANNELS,
196 EEPROM_REG_BAND_3_CHANNELS,
197 EEPROM_REG_BAND_4_CHANNELS,
198 EEPROM_REG_BAND_5_CHANNELS,
199 EEPROM_REG_BAND_24_HT40_CHANNELS,
200 EEPROM_REG_BAND_52_HT40_CHANNELS
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201 },
202 .verify_signature = iwlcore_eeprom_verify_signature,
203 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
204 .release_semaphore = iwlcore_eeprom_release_semaphore,
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205 .calib_version = iwlagn_eeprom_calib_version,
206 .query_addr = iwlagn_eeprom_query_addr,
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207 },
208 .post_associate = iwl_post_associate,
209 .isr = iwl_isr_ict,
210 .config_ap = iwl_config_ap,
211 .temp_ops = {
e04ed0a5 212 .temperature = iwlagn_temperature,
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213 .set_ct_kill = iwl1000_set_ct_threshold,
214 },
1fa61b2e 215 .manage_ibss_station = iwlagn_manage_ibss_station,
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216 .debugfs_ops = {
217 .rx_stats_read = iwl_ucode_rx_stats_read,
218 .tx_stats_read = iwl_ucode_tx_stats_read,
219 .general_stats_read = iwl_ucode_general_stats_read,
220 },
b74e31a9 221 .recover_from_tx_stall = iwl_bg_monitor_recover,
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222 .check_plcp_health = iwl_good_plcp_health,
223 .check_ack_health = iwl_good_ack_health,
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224};
225
45d5d805 226static const struct iwl_ops iwl1000_ops = {
672639de 227 .lib = &iwl1000_lib,
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228 .hcmd = &iwlagn_hcmd,
229 .utils = &iwlagn_hcmd_utils,
e932a609 230 .led = &iwlagn_led_ops,
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231};
232
77dcb6a9 233struct iwl_cfg iwl1000_bgn_cfg = {
c11362c0 234 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
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235 .fw_name_pre = IWL1000_FW_PRE,
236 .ucode_api_max = IWL1000_UCODE_API_MAX,
237 .ucode_api_min = IWL1000_UCODE_API_MIN,
c5d05698 238 .sku = IWL_SKU_G|IWL_SKU_N,
672639de 239 .ops = &iwl1000_ops,
415e4993 240 .eeprom_size = OTP_LOW_IMAGE_SIZE,
1f4b9665 241 .eeprom_ver = EEPROM_1000_EEPROM_VERSION,
00e70590 242 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
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243 .num_of_queues = IWLAGN_NUM_QUEUES,
244 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
348ee7cd 245 .mod_params = &iwlagn_mod_params,
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246 .valid_tx_ant = ANT_A,
247 .valid_rx_ant = ANT_AB,
fadb3582 248 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731 249 .set_l0s = true,
fadb3582 250 .use_bsm = false,
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251 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
252 .shadow_ram_support = false,
b261793d 253 .ht_greenfield_support = true,
f2d0d0e2 254 .led_compensation = 51,
ddd21046 255 .use_rts_for_ht = true, /* use rts/cts protection */
d8c07e7a 256 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407 257 .support_ct_kill_exit = true,
6c3872e1 258 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
d4fe5ac9 259 .chain_noise_scale = 1000,
b74e31a9 260 .monitor_recover_period = IWL_MONITORING_PERIOD,
678b385d 261 .max_event_log_size = 128,
6e5c800e 262 .ucode_tracing = true,
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263 .sensitivity_calib_by_driver = true,
264 .chain_noise_calib_by_driver = true,
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265};
266
4bd0914f 267struct iwl_cfg iwl1000_bg_cfg = {
c11362c0 268 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
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269 .fw_name_pre = IWL1000_FW_PRE,
270 .ucode_api_max = IWL1000_UCODE_API_MAX,
271 .ucode_api_min = IWL1000_UCODE_API_MIN,
272 .sku = IWL_SKU_G,
273 .ops = &iwl1000_ops,
274 .eeprom_size = OTP_LOW_IMAGE_SIZE,
275 .eeprom_ver = EEPROM_1000_EEPROM_VERSION,
00e70590 276 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
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277 .num_of_queues = IWLAGN_NUM_QUEUES,
278 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
348ee7cd 279 .mod_params = &iwlagn_mod_params,
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280 .valid_tx_ant = ANT_A,
281 .valid_rx_ant = ANT_AB,
fadb3582 282 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731 283 .set_l0s = true,
fadb3582 284 .use_bsm = false,
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285 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
286 .shadow_ram_support = false,
4bd0914f 287 .led_compensation = 51,
d8c07e7a 288 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407 289 .support_ct_kill_exit = true,
6c3872e1 290 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
d4fe5ac9 291 .chain_noise_scale = 1000,
b74e31a9 292 .monitor_recover_period = IWL_MONITORING_PERIOD,
678b385d 293 .max_event_log_size = 128,
6e5c800e 294 .ucode_tracing = true,
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295 .sensitivity_calib_by_driver = true,
296 .chain_noise_calib_by_driver = true,
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297};
298
9554b34a 299MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));