]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blame - drivers/net/wireless/iwlwifi/iwl-1000.c
Merge branch 'wireless-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi...
[mirror_ubuntu-eoan-kernel.git] / drivers / net / wireless / iwlwifi / iwl-1000.c
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1/******************************************************************************
2 *
901069c7 3 * Copyright(c) 2008 - 2011 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"
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48
49/* Highest firmware API version supported */
fea41cc9 50#define IWL1000_UCODE_API_MAX 5
1de19ecc 51#define IWL100_UCODE_API_MAX 5
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52
53/* Lowest firmware API version supported */
77dcb6a9 54#define IWL1000_UCODE_API_MIN 1
1de19ecc 55#define IWL100_UCODE_API_MIN 5
c5d05698 56
77dcb6a9 57#define IWL1000_FW_PRE "iwlwifi-1000-"
1d5cc555 58#define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
c5d05698 59
1de19ecc 60#define IWL100_FW_PRE "iwlwifi-100-"
1d5cc555 61#define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE #api ".ucode"
1de19ecc 62
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63
64/*
65 * For 1000, use advance thermal throttling critical temperature threshold,
66 * but legacy thermal management implementation for now.
67 * This is for the reason of 1000 uCode using advance thermal throttling API
68 * but not implement ct_kill_exit based on ct_kill exit temperature
69 * so the thermal throttling will still based on legacy thermal throttling
70 * management.
71 * The code here need to be modified once 1000 uCode has the advanced thermal
72 * throttling algorithm in place
73 */
74static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
75{
76 /* want Celsius */
77 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
78 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
79}
80
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81/* NIC configuration for 1000 series */
82static void iwl1000_nic_config(struct iwl_priv *priv)
83{
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84 /* set CSR_HW_CONFIG_REG for uCode use */
85 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
86 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
87 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
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88
89 /* Setting digital SVR for 1000 card to 1.32V */
90 /* locking is acquired in iwl_set_bits_mask_prph() function */
91 iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
92 APMG_SVR_DIGITAL_VOLTAGE_1_32,
93 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
94}
95
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96static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
97 .min_nrg_cck = 95,
98 .max_nrg_cck = 0, /* not used, set to 0 */
99 .auto_corr_min_ofdm = 90,
100 .auto_corr_min_ofdm_mrc = 170,
101 .auto_corr_min_ofdm_x1 = 120,
102 .auto_corr_min_ofdm_mrc_x1 = 240,
103
104 .auto_corr_max_ofdm = 120,
105 .auto_corr_max_ofdm_mrc = 210,
106 .auto_corr_max_ofdm_x1 = 155,
107 .auto_corr_max_ofdm_mrc_x1 = 290,
108
109 .auto_corr_min_cck = 125,
110 .auto_corr_max_cck = 200,
111 .auto_corr_min_cck_mrc = 170,
112 .auto_corr_max_cck_mrc = 400,
113 .nrg_th_cck = 95,
114 .nrg_th_ofdm = 95,
115
116 .barker_corr_th_min = 190,
117 .barker_corr_th_min_mrc = 390,
118 .nrg_th_cca = 62,
119};
120
121static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
122{
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123 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
124 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
7cb1b088 125 priv->cfg->base_params->num_of_queues =
9d143e9a 126 iwlagn_mod_params.num_of_queues;
fac06108 127
7cb1b088 128 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
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129 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
130 priv->hw_params.scd_bc_tbls_size =
7cb1b088 131 priv->cfg->base_params->num_of_queues *
19e6cda0 132 sizeof(struct iwlagn_scd_bc_tbl);
fac06108 133 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
bf3c7fdd 134 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
a194e324 135 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
fac06108 136
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137 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
138 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
fac06108 139
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140 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
141 BIT(IEEE80211_BAND_5GHZ);
142 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
143
144 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
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145 if (priv->cfg->rx_with_siso_diversity)
146 priv->hw_params.rx_chains_num = 1;
147 else
148 priv->hw_params.rx_chains_num =
149 num_of_ant(priv->cfg->valid_rx_ant);
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150 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
151 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
152
0453674c 153 iwl1000_set_ct_threshold(priv);
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154
155 /* Set initial sensitivity parameters */
156 /* Set initial calibration set */
157 priv->hw_params.sens = &iwl1000_sensitivity;
158 priv->hw_params.calib_init_cfg =
159 BIT(IWL_CALIB_XTAL) |
160 BIT(IWL_CALIB_LO) |
161 BIT(IWL_CALIB_TX_IQ) |
162 BIT(IWL_CALIB_TX_IQ_PERD) |
163 BIT(IWL_CALIB_BASE_BAND);
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164 if (priv->cfg->need_dc_calib)
165 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
fac06108 166
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167 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
168
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169 return 0;
170}
171
672639de 172static struct iwl_lib_ops iwl1000_lib = {
fac06108 173 .set_hw_params = iwl1000_hw_set_hw_params,
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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,
e04ed0a5 177 .send_tx_power = iwlagn_send_tx_power,
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178 .update_chain_flags = iwl_update_chain_flags,
179 .apm_ops = {
fadb3582 180 .init = iwl_apm_init,
65b7998a 181 .config = iwl1000_nic_config,
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182 },
183 .eeprom_ops = {
184 .regulatory_bands = {
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185 EEPROM_REG_BAND_1_CHANNELS,
186 EEPROM_REG_BAND_2_CHANNELS,
187 EEPROM_REG_BAND_3_CHANNELS,
188 EEPROM_REG_BAND_4_CHANNELS,
189 EEPROM_REG_BAND_5_CHANNELS,
190 EEPROM_REG_BAND_24_HT40_CHANNELS,
5cab35e7 191 EEPROM_REGULATORY_BAND_NO_HT40,
672639de 192 },
e04ed0a5 193 .query_addr = iwlagn_eeprom_query_addr,
672639de 194 },
672639de 195 .temp_ops = {
e04ed0a5 196 .temperature = iwlagn_temperature,
672639de 197 },
716c74b0 198 .txfifo_flush = iwlagn_txfifo_flush,
65550636 199 .dev_txfifo_flush = iwlagn_dev_txfifo_flush,
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200};
201
45d5d805 202static const struct iwl_ops iwl1000_ops = {
672639de 203 .lib = &iwl1000_lib,
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204 .hcmd = &iwlagn_hcmd,
205 .utils = &iwlagn_hcmd_utils,
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206};
207
7cb1b088 208static struct iwl_base_params iwl1000_base_params = {
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209 .num_of_queues = IWLAGN_NUM_QUEUES,
210 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
7cb1b088 211 .eeprom_size = OTP_LOW_IMAGE_SIZE,
fadb3582 212 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
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213 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
214 .shadow_ram_support = false,
f2d0d0e2 215 .led_compensation = 51,
d8c07e7a 216 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407 217 .support_ct_kill_exit = true,
6c3872e1 218 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
d4fe5ac9 219 .chain_noise_scale = 1000,
22de94de 220 .wd_timeout = IWL_DEF_WD_TIMEOUT,
678b385d 221 .max_event_log_size = 128,
c5d05698 222};
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223static struct iwl_ht_params iwl1000_ht_params = {
224 .ht_greenfield_support = true,
225 .use_rts_for_aggregation = true, /* use rts/cts protection */
226};
227
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228#define IWL_DEVICE_1000 \
229 .fw_name_pre = IWL1000_FW_PRE, \
230 .ucode_api_max = IWL1000_UCODE_API_MAX, \
231 .ucode_api_min = IWL1000_UCODE_API_MIN, \
232 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
233 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
234 .ops = &iwl1000_ops, \
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235 .base_params = &iwl1000_base_params, \
236 .led_mode = IWL_LED_BLINK
237
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238struct iwl_cfg iwl1000_bgn_cfg = {
239 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
65af8dea 240 IWL_DEVICE_1000,
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241 .ht_params = &iwl1000_ht_params,
242};
c5d05698 243
4bd0914f 244struct iwl_cfg iwl1000_bg_cfg = {
c11362c0 245 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
65af8dea 246 IWL_DEVICE_1000,
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247};
248
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249#define IWL_DEVICE_100 \
250 .fw_name_pre = IWL100_FW_PRE, \
251 .ucode_api_max = IWL100_UCODE_API_MAX, \
252 .ucode_api_min = IWL100_UCODE_API_MIN, \
253 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
254 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
255 .ops = &iwl1000_ops, \
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256 .base_params = &iwl1000_base_params, \
257 .led_mode = IWL_LED_RF_STATE, \
258 .rx_with_siso_diversity = true
259
1de19ecc 260struct iwl_cfg iwl100_bgn_cfg = {
638514ff 261 .name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
65af8dea 262 IWL_DEVICE_100,
7cb1b088 263 .ht_params = &iwl1000_ht_params,
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264};
265
266struct iwl_cfg iwl100_bg_cfg = {
638514ff 267 .name = "Intel(R) Centrino(R) Wireless-N 100 BG",
65af8dea 268 IWL_DEVICE_100,
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269};
270
9554b34a 271MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
1de19ecc 272MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));