iwl-2000.c revision b319d3eb964a602dd1f77bd04b033c40f896e06f
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 <net/mac80211.h>
34#include <linux/etherdevice.h>
35#include <asm/unaligned.h>
36#include <linux/stringify.h>
37
38#include "iwl-eeprom.h"
39#include "iwl-dev.h"
40#include "iwl-core.h"
41#include "iwl-io.h"
42#include "iwl-sta.h"
43#include "iwl-agn.h"
44#include "iwl-helpers.h"
45#include "iwl-agn-hw.h"
46#include "iwl-6000-hw.h"
47#include "iwl-shared.h"
48#include "iwl-cfg.h"
49
50/* Highest firmware API version supported */
51#define IWL2030_UCODE_API_MAX 6
52#define IWL2000_UCODE_API_MAX 6
53#define IWL105_UCODE_API_MAX 6
54#define IWL135_UCODE_API_MAX 6
55
56/* Oldest version we won't warn about */
57#define IWL2030_UCODE_API_OK 5
58#define IWL2000_UCODE_API_OK 5
59#define IWL105_UCODE_API_OK 5
60#define IWL135_UCODE_API_OK 5
61
62/* Lowest firmware API version supported */
63#define IWL2030_UCODE_API_MIN 5
64#define IWL2000_UCODE_API_MIN 5
65#define IWL105_UCODE_API_MIN 5
66#define IWL135_UCODE_API_MIN 5
67
68#define IWL2030_FW_PRE "iwlwifi-2030-"
69#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
70
71#define IWL2000_FW_PRE "iwlwifi-2000-"
72#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
73
74#define IWL105_FW_PRE "iwlwifi-105-"
75#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
76
77#define IWL135_FW_PRE "iwlwifi-135-"
78#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
79
80static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
81{
82	/* want Celsius */
83	hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
84	hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
85}
86
87/* NIC configuration for 2000 series */
88static void iwl2000_nic_config(struct iwl_priv *priv)
89{
90	iwl_rf_config(priv);
91
92	if (priv->cfg->iq_invert)
93		iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
94			    CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
95}
96
97static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
98	.min_nrg_cck = 97,
99	.max_nrg_cck = 0, /* not used, set to 0 */
100	.auto_corr_min_ofdm = 80,
101	.auto_corr_min_ofdm_mrc = 128,
102	.auto_corr_min_ofdm_x1 = 105,
103	.auto_corr_min_ofdm_mrc_x1 = 192,
104
105	.auto_corr_max_ofdm = 145,
106	.auto_corr_max_ofdm_mrc = 232,
107	.auto_corr_max_ofdm_x1 = 110,
108	.auto_corr_max_ofdm_mrc_x1 = 232,
109
110	.auto_corr_min_cck = 125,
111	.auto_corr_max_cck = 175,
112	.auto_corr_min_cck_mrc = 160,
113	.auto_corr_max_cck_mrc = 310,
114	.nrg_th_cck = 97,
115	.nrg_th_ofdm = 100,
116
117	.barker_corr_th_min = 190,
118	.barker_corr_th_min_mrc = 390,
119	.nrg_th_cca = 62,
120};
121
122static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
123{
124	if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
125	    iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
126		priv->cfg->base_params->num_of_queues =
127			iwlagn_mod_params.num_of_queues;
128
129	hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
130	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
131
132	hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
133	hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
134
135	hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
136
137	hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
138	if (priv->cfg->rx_with_siso_diversity)
139		hw_params(priv).rx_chains_num = 1;
140	else
141		hw_params(priv).rx_chains_num =
142			num_of_ant(priv->cfg->valid_rx_ant);
143	hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
144	hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
145
146	iwl2000_set_ct_threshold(priv);
147
148	/* Set initial sensitivity parameters */
149	/* Set initial calibration set */
150	hw_params(priv).sens = &iwl2000_sensitivity;
151	hw_params(priv).calib_init_cfg =
152		BIT(IWL_CALIB_XTAL)             |
153		BIT(IWL_CALIB_LO)               |
154		BIT(IWL_CALIB_TX_IQ)            |
155		BIT(IWL_CALIB_BASE_BAND);
156	if (priv->cfg->need_dc_calib)
157		hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
158	if (priv->cfg->need_temp_offset_calib)
159		hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
160
161	return 0;
162}
163
164static struct iwl_lib_ops iwl2000_lib = {
165	.set_hw_params = iwl2000_hw_set_hw_params,
166	.nic_config = iwl2000_nic_config,
167	.eeprom_ops = {
168		.regulatory_bands = {
169			EEPROM_REG_BAND_1_CHANNELS,
170			EEPROM_REG_BAND_2_CHANNELS,
171			EEPROM_REG_BAND_3_CHANNELS,
172			EEPROM_REG_BAND_4_CHANNELS,
173			EEPROM_REG_BAND_5_CHANNELS,
174			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
175			EEPROM_REGULATORY_BAND_NO_HT40,
176		},
177		.update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
178	},
179	.temperature = iwlagn_temperature,
180};
181
182static struct iwl_lib_ops iwl2030_lib = {
183	.set_hw_params = iwl2000_hw_set_hw_params,
184	.bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
185	.bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
186	.cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
187	.nic_config = iwl2000_nic_config,
188	.eeprom_ops = {
189		.regulatory_bands = {
190			EEPROM_REG_BAND_1_CHANNELS,
191			EEPROM_REG_BAND_2_CHANNELS,
192			EEPROM_REG_BAND_3_CHANNELS,
193			EEPROM_REG_BAND_4_CHANNELS,
194			EEPROM_REG_BAND_5_CHANNELS,
195			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
196			EEPROM_REGULATORY_BAND_NO_HT40,
197		},
198		.update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
199	},
200	.temperature = iwlagn_temperature,
201};
202
203static struct iwl_base_params iwl2000_base_params = {
204	.eeprom_size = OTP_LOW_IMAGE_SIZE,
205	.num_of_queues = IWLAGN_NUM_QUEUES,
206	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
207	.pll_cfg_val = 0,
208	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
209	.shadow_ram_support = true,
210	.led_compensation = 51,
211	.adv_thermal_throttle = true,
212	.support_ct_kill_exit = true,
213	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
214	.chain_noise_scale = 1000,
215	.wd_timeout = IWL_DEF_WD_TIMEOUT,
216	.max_event_log_size = 512,
217	.shadow_reg_enable = true,
218	.hd_v2 = true,
219};
220
221
222static struct iwl_base_params iwl2030_base_params = {
223	.eeprom_size = OTP_LOW_IMAGE_SIZE,
224	.num_of_queues = IWLAGN_NUM_QUEUES,
225	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
226	.pll_cfg_val = 0,
227	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
228	.shadow_ram_support = true,
229	.led_compensation = 57,
230	.adv_thermal_throttle = true,
231	.support_ct_kill_exit = true,
232	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
233	.chain_noise_scale = 1000,
234	.wd_timeout = IWL_LONG_WD_TIMEOUT,
235	.max_event_log_size = 512,
236	.shadow_reg_enable = true,
237	.hd_v2 = true,
238};
239
240static struct iwl_ht_params iwl2000_ht_params = {
241	.ht_greenfield_support = true,
242	.use_rts_for_aggregation = true, /* use rts/cts protection */
243};
244
245static struct iwl_bt_params iwl2030_bt_params = {
246	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
247	.advanced_bt_coexist = true,
248	.agg_time_limit = BT_AGG_THRESHOLD_DEF,
249	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
250	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
251	.bt_sco_disable = true,
252	.bt_session_2 = true,
253};
254
255#define IWL_DEVICE_2000						\
256	.fw_name_pre = IWL2000_FW_PRE,				\
257	.ucode_api_max = IWL2000_UCODE_API_MAX,			\
258	.ucode_api_ok = IWL2000_UCODE_API_OK,			\
259	.ucode_api_min = IWL2000_UCODE_API_MIN,			\
260	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
261	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
262	.lib = &iwl2000_lib,					\
263	.base_params = &iwl2000_base_params,			\
264	.need_dc_calib = true,					\
265	.need_temp_offset_calib = true,				\
266	.temp_offset_v2 = true,					\
267	.led_mode = IWL_LED_RF_STATE,				\
268	.iq_invert = true					\
269
270struct iwl_cfg iwl2000_2bgn_cfg = {
271	.name = "2000 Series 2x2 BGN",
272	IWL_DEVICE_2000,
273	.ht_params = &iwl2000_ht_params,
274};
275
276struct iwl_cfg iwl2000_2bg_cfg = {
277	.name = "2000 Series 2x2 BG",
278	IWL_DEVICE_2000,
279};
280
281struct iwl_cfg iwl2000_2bgn_d_cfg = {
282	.name = "2000D Series 2x2 BGN",
283	IWL_DEVICE_2000,
284	.ht_params = &iwl2000_ht_params,
285};
286
287#define IWL_DEVICE_2030						\
288	.fw_name_pre = IWL2030_FW_PRE,				\
289	.ucode_api_max = IWL2030_UCODE_API_MAX,			\
290	.ucode_api_ok = IWL2030_UCODE_API_OK,			\
291	.ucode_api_min = IWL2030_UCODE_API_MIN,			\
292	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
293	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
294	.lib = &iwl2030_lib,					\
295	.base_params = &iwl2030_base_params,			\
296	.bt_params = &iwl2030_bt_params,			\
297	.need_dc_calib = true,					\
298	.need_temp_offset_calib = true,				\
299	.temp_offset_v2 = true,					\
300	.led_mode = IWL_LED_RF_STATE,				\
301	.adv_pm = true,						\
302	.iq_invert = true					\
303
304struct iwl_cfg iwl2030_2bgn_cfg = {
305	.name = "2000 Series 2x2 BGN/BT",
306	IWL_DEVICE_2030,
307	.ht_params = &iwl2000_ht_params,
308};
309
310struct iwl_cfg iwl2030_2bg_cfg = {
311	.name = "2000 Series 2x2 BG/BT",
312	IWL_DEVICE_2030,
313};
314
315#define IWL_DEVICE_105						\
316	.fw_name_pre = IWL105_FW_PRE,				\
317	.ucode_api_max = IWL105_UCODE_API_MAX,			\
318	.ucode_api_ok = IWL105_UCODE_API_OK,			\
319	.ucode_api_min = IWL105_UCODE_API_MIN,			\
320	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
321	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
322	.lib = &iwl2000_lib,					\
323	.base_params = &iwl2000_base_params,			\
324	.need_dc_calib = true,					\
325	.need_temp_offset_calib = true,				\
326	.temp_offset_v2 = true,					\
327	.led_mode = IWL_LED_RF_STATE,				\
328	.adv_pm = true,						\
329	.rx_with_siso_diversity = true,				\
330	.iq_invert = true					\
331
332struct iwl_cfg iwl105_bg_cfg = {
333	.name = "105 Series 1x1 BG",
334	IWL_DEVICE_105,
335};
336
337struct iwl_cfg iwl105_bgn_cfg = {
338	.name = "105 Series 1x1 BGN",
339	IWL_DEVICE_105,
340	.ht_params = &iwl2000_ht_params,
341};
342
343struct iwl_cfg iwl105_bgn_d_cfg = {
344	.name = "105D Series 1x1 BGN",
345	IWL_DEVICE_105,
346	.ht_params = &iwl2000_ht_params,
347};
348
349#define IWL_DEVICE_135						\
350	.fw_name_pre = IWL135_FW_PRE,				\
351	.ucode_api_max = IWL135_UCODE_API_MAX,			\
352	.ucode_api_ok = IWL135_UCODE_API_OK,			\
353	.ucode_api_min = IWL135_UCODE_API_MIN,			\
354	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
355	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
356	.lib = &iwl2030_lib,					\
357	.base_params = &iwl2030_base_params,			\
358	.bt_params = &iwl2030_bt_params,			\
359	.need_dc_calib = true,					\
360	.need_temp_offset_calib = true,				\
361	.temp_offset_v2 = true,					\
362	.led_mode = IWL_LED_RF_STATE,				\
363	.adv_pm = true,						\
364	.rx_with_siso_diversity = true,				\
365	.iq_invert = true					\
366
367struct iwl_cfg iwl135_bg_cfg = {
368	.name = "135 Series 1x1 BG/BT",
369	IWL_DEVICE_135,
370};
371
372struct iwl_cfg iwl135_bgn_cfg = {
373	.name = "135 Series 1x1 BGN/BT",
374	IWL_DEVICE_135,
375	.ht_params = &iwl2000_ht_params,
376};
377
378MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
379MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
380MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
381MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));
382