iwlwifi: move agn common code to iwlagn library file
[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"
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"
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49
50/* Highest firmware API version supported */
cce53aa3 51#define IWL1000_UCODE_API_MAX 3
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52
53/* Lowest firmware API version supported */
77dcb6a9 54#define IWL1000_UCODE_API_MIN 1
c5d05698 55
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56#define IWL1000_FW_PRE "iwlwifi-1000-"
57#define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
58#define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
c5d05698 59
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60
61/*
62 * For 1000, use advance thermal throttling critical temperature threshold,
63 * but legacy thermal management implementation for now.
64 * This is for the reason of 1000 uCode using advance thermal throttling API
65 * but not implement ct_kill_exit based on ct_kill exit temperature
66 * so the thermal throttling will still based on legacy thermal throttling
67 * management.
68 * The code here need to be modified once 1000 uCode has the advanced thermal
69 * throttling algorithm in place
70 */
71static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
72{
73 /* want Celsius */
74 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
75 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
76}
77
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78/* NIC configuration for 1000 series */
79static void iwl1000_nic_config(struct iwl_priv *priv)
80{
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81 /* set CSR_HW_CONFIG_REG for uCode use */
82 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
83 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
84 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
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85
86 /* Setting digital SVR for 1000 card to 1.32V */
87 /* locking is acquired in iwl_set_bits_mask_prph() function */
88 iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
89 APMG_SVR_DIGITAL_VOLTAGE_1_32,
90 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
91}
92
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93static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
94 .min_nrg_cck = 95,
95 .max_nrg_cck = 0, /* not used, set to 0 */
96 .auto_corr_min_ofdm = 90,
97 .auto_corr_min_ofdm_mrc = 170,
98 .auto_corr_min_ofdm_x1 = 120,
99 .auto_corr_min_ofdm_mrc_x1 = 240,
100
101 .auto_corr_max_ofdm = 120,
102 .auto_corr_max_ofdm_mrc = 210,
103 .auto_corr_max_ofdm_x1 = 155,
104 .auto_corr_max_ofdm_mrc_x1 = 290,
105
106 .auto_corr_min_cck = 125,
107 .auto_corr_max_cck = 200,
108 .auto_corr_min_cck_mrc = 170,
109 .auto_corr_max_cck_mrc = 400,
110 .nrg_th_cck = 95,
111 .nrg_th_ofdm = 95,
112
113 .barker_corr_th_min = 190,
114 .barker_corr_th_min_mrc = 390,
115 .nrg_th_cca = 62,
116};
117
118static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
119{
120 if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
19e6cda0 121 priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
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122 priv->cfg->num_of_queues =
123 priv->cfg->mod_params->num_of_queues;
124
125 priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
126 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
127 priv->hw_params.scd_bc_tbls_size =
128 priv->cfg->num_of_queues *
19e6cda0 129 sizeof(struct iwlagn_scd_bc_tbl);
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130 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
131 priv->hw_params.max_stations = IWL5000_STATION_COUNT;
132 priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
133
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134 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
135 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
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136
137 priv->hw_params.max_bsm_size = 0;
138 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
139 BIT(IEEE80211_BAND_5GHZ);
140 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
141
142 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
143 priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
144 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
145 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
146
147 if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
148 priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
149
150 /* Set initial sensitivity parameters */
151 /* Set initial calibration set */
152 priv->hw_params.sens = &iwl1000_sensitivity;
153 priv->hw_params.calib_init_cfg =
154 BIT(IWL_CALIB_XTAL) |
155 BIT(IWL_CALIB_LO) |
156 BIT(IWL_CALIB_TX_IQ) |
157 BIT(IWL_CALIB_TX_IQ_PERD) |
158 BIT(IWL_CALIB_BASE_BAND);
159
160 return 0;
161}
162
672639de 163static struct iwl_lib_ops iwl1000_lib = {
fac06108 164 .set_hw_params = iwl1000_hw_set_hw_params,
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165 .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
166 .txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
167 .txq_set_sched = iwlagn_txq_set_sched,
168 .txq_agg_enable = iwlagn_txq_agg_enable,
169 .txq_agg_disable = iwlagn_txq_agg_disable,
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170 .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
171 .txq_free_tfd = iwl_hw_txq_free_tfd,
172 .txq_init = iwl_hw_tx_queue_init,
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173 .rx_handler_setup = iwlagn_rx_handler_setup,
174 .setup_deferred_work = iwlagn_setup_deferred_work,
175 .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
81b8176e 176 .load_ucode = iwlagn_load_ucode,
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177 .dump_nic_event_log = iwl_dump_nic_event_log,
178 .dump_nic_error_log = iwl_dump_nic_error_log,
696bdee3 179 .dump_csr = iwl_dump_csr,
1b3eb823 180 .dump_fh = iwl_dump_fh,
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181 .init_alive_start = iwlagn_init_alive_start,
182 .alive_notify = iwlagn_alive_notify,
e04ed0a5 183 .send_tx_power = iwlagn_send_tx_power,
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184 .update_chain_flags = iwl_update_chain_flags,
185 .apm_ops = {
fadb3582 186 .init = iwl_apm_init,
d68b603c 187 .stop = iwl_apm_stop,
65b7998a 188 .config = iwl1000_nic_config,
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189 .set_pwr_src = iwl_set_pwr_src,
190 },
191 .eeprom_ops = {
192 .regulatory_bands = {
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193 EEPROM_REG_BAND_1_CHANNELS,
194 EEPROM_REG_BAND_2_CHANNELS,
195 EEPROM_REG_BAND_3_CHANNELS,
196 EEPROM_REG_BAND_4_CHANNELS,
197 EEPROM_REG_BAND_5_CHANNELS,
198 EEPROM_REG_BAND_24_HT40_CHANNELS,
199 EEPROM_REG_BAND_52_HT40_CHANNELS
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200 },
201 .verify_signature = iwlcore_eeprom_verify_signature,
202 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
203 .release_semaphore = iwlcore_eeprom_release_semaphore,
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204 .calib_version = iwlagn_eeprom_calib_version,
205 .query_addr = iwlagn_eeprom_query_addr,
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206 },
207 .post_associate = iwl_post_associate,
208 .isr = iwl_isr_ict,
209 .config_ap = iwl_config_ap,
210 .temp_ops = {
e04ed0a5 211 .temperature = iwlagn_temperature,
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212 .set_ct_kill = iwl1000_set_ct_threshold,
213 },
3459ab5a 214 .add_bcast_station = iwl_add_bcast_station,
b74e31a9 215 .recover_from_tx_stall = iwl_bg_monitor_recover,
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216 .check_plcp_health = iwl_good_plcp_health,
217 .check_ack_health = iwl_good_ack_health,
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218};
219
45d5d805 220static const struct iwl_ops iwl1000_ops = {
792bc3cb 221 .ucode = &iwlagn_ucode,
672639de 222 .lib = &iwl1000_lib,
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223 .hcmd = &iwlagn_hcmd,
224 .utils = &iwlagn_hcmd_utils,
e932a609 225 .led = &iwlagn_led_ops,
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226};
227
77dcb6a9 228struct iwl_cfg iwl1000_bgn_cfg = {
c11362c0 229 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
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230 .fw_name_pre = IWL1000_FW_PRE,
231 .ucode_api_max = IWL1000_UCODE_API_MAX,
232 .ucode_api_min = IWL1000_UCODE_API_MIN,
c5d05698 233 .sku = IWL_SKU_G|IWL_SKU_N,
672639de 234 .ops = &iwl1000_ops,
415e4993 235 .eeprom_size = OTP_LOW_IMAGE_SIZE,
1f4b9665 236 .eeprom_ver = EEPROM_1000_EEPROM_VERSION,
c5d05698 237 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
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238 .num_of_queues = IWLAGN_NUM_QUEUES,
239 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
c5d05698 240 .mod_params = &iwl50_mod_params,
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241 .valid_tx_ant = ANT_A,
242 .valid_rx_ant = ANT_AB,
fadb3582 243 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731 244 .set_l0s = true,
fadb3582 245 .use_bsm = false,
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246 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
247 .shadow_ram_support = false,
b261793d 248 .ht_greenfield_support = true,
f2d0d0e2 249 .led_compensation = 51,
ddd21046 250 .use_rts_for_ht = true, /* use rts/cts protection */
d8c07e7a 251 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407 252 .support_ct_kill_exit = true,
6c3872e1 253 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
d4fe5ac9 254 .chain_noise_scale = 1000,
b74e31a9 255 .monitor_recover_period = IWL_MONITORING_PERIOD,
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256};
257
4bd0914f 258struct iwl_cfg iwl1000_bg_cfg = {
c11362c0 259 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
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260 .fw_name_pre = IWL1000_FW_PRE,
261 .ucode_api_max = IWL1000_UCODE_API_MAX,
262 .ucode_api_min = IWL1000_UCODE_API_MIN,
263 .sku = IWL_SKU_G,
264 .ops = &iwl1000_ops,
265 .eeprom_size = OTP_LOW_IMAGE_SIZE,
266 .eeprom_ver = EEPROM_1000_EEPROM_VERSION,
267 .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
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268 .num_of_queues = IWLAGN_NUM_QUEUES,
269 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
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270 .mod_params = &iwl50_mod_params,
271 .valid_tx_ant = ANT_A,
272 .valid_rx_ant = ANT_AB,
fadb3582 273 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731 274 .set_l0s = true,
fadb3582 275 .use_bsm = false,
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276 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
277 .shadow_ram_support = false,
278 .ht_greenfield_support = true,
279 .led_compensation = 51,
d8c07e7a 280 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407 281 .support_ct_kill_exit = true,
6c3872e1 282 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
d4fe5ac9 283 .chain_noise_scale = 1000,
b74e31a9 284 .monitor_recover_period = IWL_MONITORING_PERIOD,
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285};
286
9554b34a 287MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
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