mac80211: fix bss_conf.dtim_period
[deliverable/linux.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"
45#include "iwl-helpers.h"
46#include "iwl-5000-hw.h"
e932a609 47#include "iwl-agn-led.h"
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48
49/* Highest firmware API version supported */
cce53aa3 50#define IWL1000_UCODE_API_MAX 3
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51
52/* Lowest firmware API version supported */
77dcb6a9 53#define IWL1000_UCODE_API_MIN 1
c5d05698 54
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55#define IWL1000_FW_PRE "iwlwifi-1000-"
56#define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
57#define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
c5d05698 58
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59
60/*
61 * For 1000, use advance thermal throttling critical temperature threshold,
62 * but legacy thermal management implementation for now.
63 * This is for the reason of 1000 uCode using advance thermal throttling API
64 * but not implement ct_kill_exit based on ct_kill exit temperature
65 * so the thermal throttling will still based on legacy thermal throttling
66 * management.
67 * The code here need to be modified once 1000 uCode has the advanced thermal
68 * throttling algorithm in place
69 */
70static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
71{
72 /* want Celsius */
73 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
74 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
75}
76
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77/* NIC configuration for 1000 series */
78static void iwl1000_nic_config(struct iwl_priv *priv)
79{
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80 /* set CSR_HW_CONFIG_REG for uCode use */
81 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
82 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
83 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
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84
85 /* Setting digital SVR for 1000 card to 1.32V */
86 /* locking is acquired in iwl_set_bits_mask_prph() function */
87 iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
88 APMG_SVR_DIGITAL_VOLTAGE_1_32,
89 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
90}
91
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92static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
93 .min_nrg_cck = 95,
94 .max_nrg_cck = 0, /* not used, set to 0 */
95 .auto_corr_min_ofdm = 90,
96 .auto_corr_min_ofdm_mrc = 170,
97 .auto_corr_min_ofdm_x1 = 120,
98 .auto_corr_min_ofdm_mrc_x1 = 240,
99
100 .auto_corr_max_ofdm = 120,
101 .auto_corr_max_ofdm_mrc = 210,
102 .auto_corr_max_ofdm_x1 = 155,
103 .auto_corr_max_ofdm_mrc_x1 = 290,
104
105 .auto_corr_min_cck = 125,
106 .auto_corr_max_cck = 200,
107 .auto_corr_min_cck_mrc = 170,
108 .auto_corr_max_cck_mrc = 400,
109 .nrg_th_cck = 95,
110 .nrg_th_ofdm = 95,
111
112 .barker_corr_th_min = 190,
113 .barker_corr_th_min_mrc = 390,
114 .nrg_th_cca = 62,
115};
116
117static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
118{
119 if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
120 priv->cfg->mod_params->num_of_queues <= IWL50_NUM_QUEUES)
121 priv->cfg->num_of_queues =
122 priv->cfg->mod_params->num_of_queues;
123
124 priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
125 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
126 priv->hw_params.scd_bc_tbls_size =
127 priv->cfg->num_of_queues *
128 sizeof(struct iwl5000_scd_bc_tbl);
129 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
130 priv->hw_params.max_stations = IWL5000_STATION_COUNT;
131 priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
132
133 priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
134 priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
135
136 priv->hw_params.max_bsm_size = 0;
137 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
138 BIT(IEEE80211_BAND_5GHZ);
139 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
140
141 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
142 priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
143 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
144 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
145
146 if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
147 priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
148
149 /* Set initial sensitivity parameters */
150 /* Set initial calibration set */
151 priv->hw_params.sens = &iwl1000_sensitivity;
152 priv->hw_params.calib_init_cfg =
153 BIT(IWL_CALIB_XTAL) |
154 BIT(IWL_CALIB_LO) |
155 BIT(IWL_CALIB_TX_IQ) |
156 BIT(IWL_CALIB_TX_IQ_PERD) |
157 BIT(IWL_CALIB_BASE_BAND);
158
159 return 0;
160}
161
672639de 162static struct iwl_lib_ops iwl1000_lib = {
fac06108 163 .set_hw_params = iwl1000_hw_set_hw_params,
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164 .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
165 .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
166 .txq_set_sched = iwl5000_txq_set_sched,
167 .txq_agg_enable = iwl5000_txq_agg_enable,
168 .txq_agg_disable = iwl5000_txq_agg_disable,
169 .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
170 .txq_free_tfd = iwl_hw_txq_free_tfd,
171 .txq_init = iwl_hw_tx_queue_init,
172 .rx_handler_setup = iwl5000_rx_handler_setup,
173 .setup_deferred_work = iwl5000_setup_deferred_work,
174 .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
175 .load_ucode = iwl5000_load_ucode,
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176 .dump_nic_event_log = iwl_dump_nic_event_log,
177 .dump_nic_error_log = iwl_dump_nic_error_log,
696bdee3 178 .dump_csr = iwl_dump_csr,
1b3eb823 179 .dump_fh = iwl_dump_fh,
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180 .init_alive_start = iwl5000_init_alive_start,
181 .alive_notify = iwl5000_alive_notify,
182 .send_tx_power = iwl5000_send_tx_power,
183 .update_chain_flags = iwl_update_chain_flags,
184 .apm_ops = {
fadb3582 185 .init = iwl_apm_init,
d68b603c 186 .stop = iwl_apm_stop,
65b7998a 187 .config = iwl1000_nic_config,
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188 .set_pwr_src = iwl_set_pwr_src,
189 },
190 .eeprom_ops = {
191 .regulatory_bands = {
192 EEPROM_5000_REG_BAND_1_CHANNELS,
193 EEPROM_5000_REG_BAND_2_CHANNELS,
194 EEPROM_5000_REG_BAND_3_CHANNELS,
195 EEPROM_5000_REG_BAND_4_CHANNELS,
196 EEPROM_5000_REG_BAND_5_CHANNELS,
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197 EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
198 EEPROM_5000_REG_BAND_52_HT40_CHANNELS
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199 },
200 .verify_signature = iwlcore_eeprom_verify_signature,
201 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
202 .release_semaphore = iwlcore_eeprom_release_semaphore,
203 .calib_version = iwl5000_eeprom_calib_version,
204 .query_addr = iwl5000_eeprom_query_addr,
205 },
206 .post_associate = iwl_post_associate,
207 .isr = iwl_isr_ict,
208 .config_ap = iwl_config_ap,
209 .temp_ops = {
210 .temperature = iwl5000_temperature,
211 .set_ct_kill = iwl1000_set_ct_threshold,
212 },
3459ab5a 213 .add_bcast_station = iwl_add_bcast_station,
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214};
215
45d5d805 216static const struct iwl_ops iwl1000_ops = {
f7ea097d 217 .ucode = &iwl5000_ucode,
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218 .lib = &iwl1000_lib,
219 .hcmd = &iwl5000_hcmd,
220 .utils = &iwl5000_hcmd_utils,
e932a609 221 .led = &iwlagn_led_ops,
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222};
223
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224struct iwl_cfg iwl1000_bgn_cfg = {
225 .name = "1000 Series BGN",
226 .fw_name_pre = IWL1000_FW_PRE,
227 .ucode_api_max = IWL1000_UCODE_API_MAX,
228 .ucode_api_min = IWL1000_UCODE_API_MIN,
c5d05698 229 .sku = IWL_SKU_G|IWL_SKU_N,
672639de 230 .ops = &iwl1000_ops,
415e4993 231 .eeprom_size = OTP_LOW_IMAGE_SIZE,
1f4b9665 232 .eeprom_ver = EEPROM_1000_EEPROM_VERSION,
c5d05698 233 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
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234 .num_of_queues = IWL50_NUM_QUEUES,
235 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
c5d05698 236 .mod_params = &iwl50_mod_params,
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237 .valid_tx_ant = ANT_A,
238 .valid_rx_ant = ANT_AB,
fadb3582 239 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731 240 .set_l0s = true,
fadb3582 241 .use_bsm = false,
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242 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
243 .shadow_ram_support = false,
b261793d 244 .ht_greenfield_support = true,
f2d0d0e2 245 .led_compensation = 51,
ddd21046 246 .use_rts_for_ht = true, /* use rts/cts protection */
d8c07e7a 247 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407 248 .support_ct_kill_exit = true,
3e4fb5fa 249 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
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250};
251
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252struct iwl_cfg iwl1000_bg_cfg = {
253 .name = "1000 Series BG",
254 .fw_name_pre = IWL1000_FW_PRE,
255 .ucode_api_max = IWL1000_UCODE_API_MAX,
256 .ucode_api_min = IWL1000_UCODE_API_MIN,
257 .sku = IWL_SKU_G,
258 .ops = &iwl1000_ops,
259 .eeprom_size = OTP_LOW_IMAGE_SIZE,
260 .eeprom_ver = EEPROM_1000_EEPROM_VERSION,
261 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
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262 .num_of_queues = IWL50_NUM_QUEUES,
263 .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
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264 .mod_params = &iwl50_mod_params,
265 .valid_tx_ant = ANT_A,
266 .valid_rx_ant = ANT_AB,
fadb3582 267 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731 268 .set_l0s = true,
fadb3582 269 .use_bsm = false,
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270 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
271 .shadow_ram_support = false,
272 .ht_greenfield_support = true,
273 .led_compensation = 51,
d8c07e7a 274 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407 275 .support_ct_kill_exit = true,
3e4fb5fa 276 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
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277};
278
9554b34a 279MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
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