iwl-2000.c revision 6a686c600268b71619f93d35f9373e2b6ab5947b
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-agn.h"
43#include "iwl-agn-hw.h"
44#include "iwl-shared.h"
45#include "iwl-cfg.h"
46
47/* Highest firmware API version supported */
48#define IWL2030_UCODE_API_MAX 6
49#define IWL2000_UCODE_API_MAX 6
50#define IWL105_UCODE_API_MAX 6
51#define IWL135_UCODE_API_MAX 6
52
53/* Oldest version we won't warn about */
54#define IWL2030_UCODE_API_OK 5
55#define IWL2000_UCODE_API_OK 5
56#define IWL105_UCODE_API_OK 5
57#define IWL135_UCODE_API_OK 5
58
59/* Lowest firmware API version supported */
60#define IWL2030_UCODE_API_MIN 5
61#define IWL2000_UCODE_API_MIN 5
62#define IWL105_UCODE_API_MIN 5
63#define IWL135_UCODE_API_MIN 5
64
65#define IWL2030_FW_PRE "iwlwifi-2030-"
66#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
67
68#define IWL2000_FW_PRE "iwlwifi-2000-"
69#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
70
71#define IWL105_FW_PRE "iwlwifi-105-"
72#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
73
74#define IWL135_FW_PRE "iwlwifi-135-"
75#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
76
77static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
78{
79	/* want Celsius */
80	hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
81	hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
82}
83
84/* NIC configuration for 2000 series */
85static void iwl2000_nic_config(struct iwl_priv *priv)
86{
87	iwl_rf_config(priv);
88
89	if (priv->cfg->iq_invert)
90		iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
91			    CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
92}
93
94static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
95	.min_nrg_cck = 97,
96	.max_nrg_cck = 0, /* not used, set to 0 */
97	.auto_corr_min_ofdm = 80,
98	.auto_corr_min_ofdm_mrc = 128,
99	.auto_corr_min_ofdm_x1 = 105,
100	.auto_corr_min_ofdm_mrc_x1 = 192,
101
102	.auto_corr_max_ofdm = 145,
103	.auto_corr_max_ofdm_mrc = 232,
104	.auto_corr_max_ofdm_x1 = 110,
105	.auto_corr_max_ofdm_mrc_x1 = 232,
106
107	.auto_corr_min_cck = 125,
108	.auto_corr_max_cck = 175,
109	.auto_corr_min_cck_mrc = 160,
110	.auto_corr_max_cck_mrc = 310,
111	.nrg_th_cck = 97,
112	.nrg_th_ofdm = 100,
113
114	.barker_corr_th_min = 190,
115	.barker_corr_th_min_mrc = 390,
116	.nrg_th_cca = 62,
117};
118
119static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
120{
121	if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
122	    iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
123		priv->cfg->base_params->num_of_queues =
124			iwlagn_mod_params.num_of_queues;
125
126	hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
127	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
128
129	hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
130	hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
131
132	hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ);
133
134	hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
135	if (priv->cfg->rx_with_siso_diversity)
136		hw_params(priv).rx_chains_num = 1;
137	else
138		hw_params(priv).rx_chains_num =
139			num_of_ant(priv->cfg->valid_rx_ant);
140	hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
141	hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
142
143	iwl2000_set_ct_threshold(priv);
144
145	/* Set initial sensitivity parameters */
146	/* Set initial calibration set */
147	hw_params(priv).sens = &iwl2000_sensitivity;
148	hw_params(priv).calib_init_cfg =
149		BIT(IWL_CALIB_XTAL)             |
150		BIT(IWL_CALIB_LO)               |
151		BIT(IWL_CALIB_TX_IQ)            |
152		BIT(IWL_CALIB_BASE_BAND);
153	if (priv->cfg->need_dc_calib)
154		hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
155	if (priv->cfg->need_temp_offset_calib)
156		hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
157
158	return 0;
159}
160
161static struct iwl_lib_ops iwl2000_lib = {
162	.set_hw_params = iwl2000_hw_set_hw_params,
163	.nic_config = iwl2000_nic_config,
164	.eeprom_ops = {
165		.regulatory_bands = {
166			EEPROM_REG_BAND_1_CHANNELS,
167			EEPROM_REG_BAND_2_CHANNELS,
168			EEPROM_REG_BAND_3_CHANNELS,
169			EEPROM_REG_BAND_4_CHANNELS,
170			EEPROM_REG_BAND_5_CHANNELS,
171			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
172			EEPROM_REGULATORY_BAND_NO_HT40,
173		},
174		.update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
175	},
176	.temperature = iwlagn_temperature,
177};
178
179static struct iwl_lib_ops iwl2030_lib = {
180	.set_hw_params = iwl2000_hw_set_hw_params,
181	.bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
182	.bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
183	.cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
184	.nic_config = iwl2000_nic_config,
185	.eeprom_ops = {
186		.regulatory_bands = {
187			EEPROM_REG_BAND_1_CHANNELS,
188			EEPROM_REG_BAND_2_CHANNELS,
189			EEPROM_REG_BAND_3_CHANNELS,
190			EEPROM_REG_BAND_4_CHANNELS,
191			EEPROM_REG_BAND_5_CHANNELS,
192			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
193			EEPROM_REGULATORY_BAND_NO_HT40,
194		},
195		.update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
196	},
197	.temperature = iwlagn_temperature,
198};
199
200static struct iwl_base_params iwl2000_base_params = {
201	.eeprom_size = OTP_LOW_IMAGE_SIZE,
202	.num_of_queues = IWLAGN_NUM_QUEUES,
203	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
204	.pll_cfg_val = 0,
205	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
206	.shadow_ram_support = true,
207	.led_compensation = 51,
208	.adv_thermal_throttle = true,
209	.support_ct_kill_exit = true,
210	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
211	.chain_noise_scale = 1000,
212	.wd_timeout = IWL_DEF_WD_TIMEOUT,
213	.max_event_log_size = 512,
214	.shadow_reg_enable = true,
215	.hd_v2 = true,
216};
217
218
219static struct iwl_base_params iwl2030_base_params = {
220	.eeprom_size = OTP_LOW_IMAGE_SIZE,
221	.num_of_queues = IWLAGN_NUM_QUEUES,
222	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
223	.pll_cfg_val = 0,
224	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
225	.shadow_ram_support = true,
226	.led_compensation = 57,
227	.adv_thermal_throttle = true,
228	.support_ct_kill_exit = true,
229	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
230	.chain_noise_scale = 1000,
231	.wd_timeout = IWL_LONG_WD_TIMEOUT,
232	.max_event_log_size = 512,
233	.shadow_reg_enable = true,
234	.hd_v2 = true,
235};
236
237static struct iwl_ht_params iwl2000_ht_params = {
238	.ht_greenfield_support = true,
239	.use_rts_for_aggregation = true, /* use rts/cts protection */
240};
241
242static struct iwl_bt_params iwl2030_bt_params = {
243	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
244	.advanced_bt_coexist = true,
245	.agg_time_limit = BT_AGG_THRESHOLD_DEF,
246	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
247	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
248	.bt_sco_disable = true,
249	.bt_session_2 = true,
250};
251
252#define IWL_DEVICE_2000						\
253	.fw_name_pre = IWL2000_FW_PRE,				\
254	.ucode_api_max = IWL2000_UCODE_API_MAX,			\
255	.ucode_api_ok = IWL2000_UCODE_API_OK,			\
256	.ucode_api_min = IWL2000_UCODE_API_MIN,			\
257	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
258	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
259	.lib = &iwl2000_lib,					\
260	.base_params = &iwl2000_base_params,			\
261	.need_dc_calib = true,					\
262	.need_temp_offset_calib = true,				\
263	.temp_offset_v2 = true,					\
264	.led_mode = IWL_LED_RF_STATE,				\
265	.iq_invert = true					\
266
267struct iwl_cfg iwl2000_2bgn_cfg = {
268	.name = "2000 Series 2x2 BGN",
269	IWL_DEVICE_2000,
270	.ht_params = &iwl2000_ht_params,
271};
272
273struct iwl_cfg iwl2000_2bg_cfg = {
274	.name = "2000 Series 2x2 BG",
275	IWL_DEVICE_2000,
276};
277
278struct iwl_cfg iwl2000_2bgn_d_cfg = {
279	.name = "2000D Series 2x2 BGN",
280	IWL_DEVICE_2000,
281	.ht_params = &iwl2000_ht_params,
282};
283
284#define IWL_DEVICE_2030						\
285	.fw_name_pre = IWL2030_FW_PRE,				\
286	.ucode_api_max = IWL2030_UCODE_API_MAX,			\
287	.ucode_api_ok = IWL2030_UCODE_API_OK,			\
288	.ucode_api_min = IWL2030_UCODE_API_MIN,			\
289	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
290	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
291	.lib = &iwl2030_lib,					\
292	.base_params = &iwl2030_base_params,			\
293	.bt_params = &iwl2030_bt_params,			\
294	.need_dc_calib = true,					\
295	.need_temp_offset_calib = true,				\
296	.temp_offset_v2 = true,					\
297	.led_mode = IWL_LED_RF_STATE,				\
298	.adv_pm = true,						\
299	.iq_invert = true					\
300
301struct iwl_cfg iwl2030_2bgn_cfg = {
302	.name = "2000 Series 2x2 BGN/BT",
303	IWL_DEVICE_2030,
304	.ht_params = &iwl2000_ht_params,
305};
306
307struct iwl_cfg iwl2030_2bg_cfg = {
308	.name = "2000 Series 2x2 BG/BT",
309	IWL_DEVICE_2030,
310};
311
312#define IWL_DEVICE_105						\
313	.fw_name_pre = IWL105_FW_PRE,				\
314	.ucode_api_max = IWL105_UCODE_API_MAX,			\
315	.ucode_api_ok = IWL105_UCODE_API_OK,			\
316	.ucode_api_min = IWL105_UCODE_API_MIN,			\
317	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
318	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
319	.lib = &iwl2000_lib,					\
320	.base_params = &iwl2000_base_params,			\
321	.need_dc_calib = true,					\
322	.need_temp_offset_calib = true,				\
323	.temp_offset_v2 = true,					\
324	.led_mode = IWL_LED_RF_STATE,				\
325	.adv_pm = true,						\
326	.rx_with_siso_diversity = true,				\
327	.iq_invert = true					\
328
329struct iwl_cfg iwl105_bg_cfg = {
330	.name = "105 Series 1x1 BG",
331	IWL_DEVICE_105,
332};
333
334struct iwl_cfg iwl105_bgn_cfg = {
335	.name = "105 Series 1x1 BGN",
336	IWL_DEVICE_105,
337	.ht_params = &iwl2000_ht_params,
338};
339
340struct iwl_cfg iwl105_bgn_d_cfg = {
341	.name = "105D Series 1x1 BGN",
342	IWL_DEVICE_105,
343	.ht_params = &iwl2000_ht_params,
344};
345
346#define IWL_DEVICE_135						\
347	.fw_name_pre = IWL135_FW_PRE,				\
348	.ucode_api_max = IWL135_UCODE_API_MAX,			\
349	.ucode_api_ok = IWL135_UCODE_API_OK,			\
350	.ucode_api_min = IWL135_UCODE_API_MIN,			\
351	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
352	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
353	.lib = &iwl2030_lib,					\
354	.base_params = &iwl2030_base_params,			\
355	.bt_params = &iwl2030_bt_params,			\
356	.need_dc_calib = true,					\
357	.need_temp_offset_calib = true,				\
358	.temp_offset_v2 = true,					\
359	.led_mode = IWL_LED_RF_STATE,				\
360	.adv_pm = true,						\
361	.rx_with_siso_diversity = true,				\
362	.iq_invert = true					\
363
364struct iwl_cfg iwl135_bg_cfg = {
365	.name = "135 Series 1x1 BG/BT",
366	IWL_DEVICE_135,
367};
368
369struct iwl_cfg iwl135_bgn_cfg = {
370	.name = "135 Series 1x1 BGN/BT",
371	IWL_DEVICE_135,
372	.ht_params = &iwl2000_ht_params,
373};
374
375MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
376MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
377MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
378MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));
379