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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-1000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-1000.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
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index 00000000000..01b49eb8c8e
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+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
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1/******************************************************************************
2 *
3 * Copyright(c) 2008 - 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/skbuff.h>
32#include <linux/netdevice.h>
33#include <linux/wireless.h>
34#include <net/mac80211.h>
35#include <linux/etherdevice.h>
36#include <asm/unaligned.h>
37#include <linux/stringify.h>
38
39#include "iwl-eeprom.h"
40#include "iwl-dev.h"
41#include "iwl-core.h"
42#include "iwl-io.h"
43#include "iwl-sta.h"
44#include "iwl-agn.h"
45#include "iwl-helpers.h"
46#include "iwl-agn-hw.h"
47
48/* Highest firmware API version supported */
49#define IWL1000_UCODE_API_MAX 5
50#define IWL100_UCODE_API_MAX 5
51
52/* Lowest firmware API version supported */
53#define IWL1000_UCODE_API_MIN 1
54#define IWL100_UCODE_API_MIN 5
55
56#define IWL1000_FW_PRE "iwlwifi-1000-"
57#define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
58
59#define IWL100_FW_PRE "iwlwifi-100-"
60#define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
61
62
63/*
64 * For 1000, use advance thermal throttling critical temperature threshold,
65 * but legacy thermal management implementation for now.
66 * This is for the reason of 1000 uCode using advance thermal throttling API
67 * but not implement ct_kill_exit based on ct_kill exit temperature
68 * so the thermal throttling will still based on legacy thermal throttling
69 * management.
70 * The code here need to be modified once 1000 uCode has the advanced thermal
71 * throttling algorithm in place
72 */
73static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
74{
75 /* want Celsius */
76 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
77 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
78}
79
80/* NIC configuration for 1000 series */
81static void iwl1000_nic_config(struct iwl_priv *priv)
82{
83 /* set CSR_HW_CONFIG_REG for uCode use */
84 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
85 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
86 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
87
88 /* Setting digital SVR for 1000 card to 1.32V */
89 /* locking is acquired in iwl_set_bits_mask_prph() function */
90 iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
91 APMG_SVR_DIGITAL_VOLTAGE_1_32,
92 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
93}
94
95static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
96 .min_nrg_cck = 95,
97 .max_nrg_cck = 0, /* not used, set to 0 */
98 .auto_corr_min_ofdm = 90,
99 .auto_corr_min_ofdm_mrc = 170,
100 .auto_corr_min_ofdm_x1 = 120,
101 .auto_corr_min_ofdm_mrc_x1 = 240,
102
103 .auto_corr_max_ofdm = 120,
104 .auto_corr_max_ofdm_mrc = 210,
105 .auto_corr_max_ofdm_x1 = 155,
106 .auto_corr_max_ofdm_mrc_x1 = 290,
107
108 .auto_corr_min_cck = 125,
109 .auto_corr_max_cck = 200,
110 .auto_corr_min_cck_mrc = 170,
111 .auto_corr_max_cck_mrc = 400,
112 .nrg_th_cck = 95,
113 .nrg_th_ofdm = 95,
114
115 .barker_corr_th_min = 190,
116 .barker_corr_th_min_mrc = 390,
117 .nrg_th_cca = 62,
118};
119
120static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
121{
122 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
123 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
124 priv->cfg->base_params->num_of_queues =
125 iwlagn_mod_params.num_of_queues;
126
127 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
128 priv->hw_params.scd_bc_tbls_size =
129 priv->cfg->base_params->num_of_queues *
130 sizeof(struct iwlagn_scd_bc_tbl);
131 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
132 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
133 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
134
135 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
136 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
137
138 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
139 BIT(IEEE80211_BAND_5GHZ);
140
141 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
142 if (priv->cfg->rx_with_siso_diversity)
143 priv->hw_params.rx_chains_num = 1;
144 else
145 priv->hw_params.rx_chains_num =
146 num_of_ant(priv->cfg->valid_rx_ant);
147 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
148 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
149
150 iwl1000_set_ct_threshold(priv);
151
152 /* Set initial sensitivity parameters */
153 /* Set initial calibration set */
154 priv->hw_params.sens = &iwl1000_sensitivity;
155 priv->hw_params.calib_init_cfg =
156 BIT(IWL_CALIB_XTAL) |
157 BIT(IWL_CALIB_LO) |
158 BIT(IWL_CALIB_TX_IQ) |
159 BIT(IWL_CALIB_TX_IQ_PERD) |
160 BIT(IWL_CALIB_BASE_BAND);
161 if (priv->cfg->need_dc_calib)
162 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
163
164 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
165
166 return 0;
167}
168
169static struct iwl_lib_ops iwl1000_lib = {
170 .set_hw_params = iwl1000_hw_set_hw_params,
171 .nic_config = iwl1000_nic_config,
172 .eeprom_ops = {
173 .regulatory_bands = {
174 EEPROM_REG_BAND_1_CHANNELS,
175 EEPROM_REG_BAND_2_CHANNELS,
176 EEPROM_REG_BAND_3_CHANNELS,
177 EEPROM_REG_BAND_4_CHANNELS,
178 EEPROM_REG_BAND_5_CHANNELS,
179 EEPROM_REG_BAND_24_HT40_CHANNELS,
180 EEPROM_REGULATORY_BAND_NO_HT40,
181 },
182 },
183 .temperature = iwlagn_temperature,
184};
185
186static struct iwl_base_params iwl1000_base_params = {
187 .num_of_queues = IWLAGN_NUM_QUEUES,
188 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
189 .eeprom_size = OTP_LOW_IMAGE_SIZE,
190 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
191 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
192 .shadow_ram_support = false,
193 .led_compensation = 51,
194 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
195 .support_ct_kill_exit = true,
196 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
197 .chain_noise_scale = 1000,
198 .wd_timeout = IWL_DEF_WD_TIMEOUT,
199 .max_event_log_size = 128,
200};
201static struct iwl_ht_params iwl1000_ht_params = {
202 .ht_greenfield_support = true,
203 .use_rts_for_aggregation = true, /* use rts/cts protection */
204 .smps_mode = IEEE80211_SMPS_STATIC,
205};
206
207#define IWL_DEVICE_1000 \
208 .fw_name_pre = IWL1000_FW_PRE, \
209 .ucode_api_max = IWL1000_UCODE_API_MAX, \
210 .ucode_api_min = IWL1000_UCODE_API_MIN, \
211 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
212 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
213 .lib = &iwl1000_lib, \
214 .base_params = &iwl1000_base_params, \
215 .led_mode = IWL_LED_BLINK
216
217struct iwl_cfg iwl1000_bgn_cfg = {
218 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
219 IWL_DEVICE_1000,
220 .ht_params = &iwl1000_ht_params,
221};
222
223struct iwl_cfg iwl1000_bg_cfg = {
224 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
225 IWL_DEVICE_1000,
226};
227
228#define IWL_DEVICE_100 \
229 .fw_name_pre = IWL100_FW_PRE, \
230 .ucode_api_max = IWL100_UCODE_API_MAX, \
231 .ucode_api_min = IWL100_UCODE_API_MIN, \
232 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
233 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
234 .lib = &iwl1000_lib, \
235 .base_params = &iwl1000_base_params, \
236 .led_mode = IWL_LED_RF_STATE, \
237 .rx_with_siso_diversity = true
238
239struct iwl_cfg iwl100_bgn_cfg = {
240 .name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
241 IWL_DEVICE_100,
242 .ht_params = &iwl1000_ht_params,
243};
244
245struct iwl_cfg iwl100_bg_cfg = {
246 .name = "Intel(R) Centrino(R) Wireless-N 100 BG",
247 IWL_DEVICE_100,
248};
249
250MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
251MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-20 17:35:58 -0400