iwlwifi: EEPROM version for 1000 and 6000 series
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-6000.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2008-2009 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.
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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"
45 #include "iwl-helpers.h"
46 #include "iwl-5000-hw.h"
47 #include "iwl-6000-hw.h"
48
49 /* Highest firmware API version supported */
50 #define IWL6000_UCODE_API_MAX 4
51 #define IWL6050_UCODE_API_MAX 4
52
53 /* Lowest firmware API version supported */
54 #define IWL6000_UCODE_API_MIN 1
55 #define IWL6050_UCODE_API_MIN 1
56
57 #define IWL6000_FW_PRE "iwlwifi-6000-"
58 #define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode"
59 #define IWL6000_MODULE_FIRMWARE(api) _IWL6000_MODULE_FIRMWARE(api)
60
61 #define IWL6050_FW_PRE "iwlwifi-6050-"
62 #define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode"
63 #define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api)
64
65 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
66 {
67         /* want Celsius */
68         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
69         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
70 }
71
72 /* NIC configuration for 6000 series */
73 static void iwl6000_nic_config(struct iwl_priv *priv)
74 {
75         u16 radio_cfg;
76
77         radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
78
79         /* write radio config values to register */
80         if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
81                 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
82                             EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
83                             EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
84                             EEPROM_RF_CFG_DASH_MSK(radio_cfg));
85
86         /* set CSR_HW_CONFIG_REG for uCode use */
87         iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
88                     CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
89                     CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
90
91         /* no locking required for register write */
92         if (priv->cfg->pa_type == IWL_PA_HYBRID) {
93                 /* 2x2 hybrid phy type */
94                 iwl_write32(priv, CSR_GP_DRIVER_REG,
95                              CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB);
96         } else if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
97                 /* 2x2 IPA phy type */
98                 iwl_write32(priv, CSR_GP_DRIVER_REG,
99                              CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
100         }
101         /* else do nothing, uCode configured */
102 }
103
104 static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
105         .min_nrg_cck = 97,
106         .max_nrg_cck = 0, /* not used, set to 0 */
107         .auto_corr_min_ofdm = 80,
108         .auto_corr_min_ofdm_mrc = 128,
109         .auto_corr_min_ofdm_x1 = 105,
110         .auto_corr_min_ofdm_mrc_x1 = 192,
111
112         .auto_corr_max_ofdm = 145,
113         .auto_corr_max_ofdm_mrc = 232,
114         .auto_corr_max_ofdm_x1 = 145,
115         .auto_corr_max_ofdm_mrc_x1 = 232,
116
117         .auto_corr_min_cck = 125,
118         .auto_corr_max_cck = 175,
119         .auto_corr_min_cck_mrc = 160,
120         .auto_corr_max_cck_mrc = 310,
121         .nrg_th_cck = 97,
122         .nrg_th_ofdm = 100,
123 };
124
125 static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
126 {
127         if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
128             (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
129                 IWL_ERR(priv,
130                         "invalid queues_num, should be between %d and %d\n",
131                         IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
132                 return -EINVAL;
133         }
134
135         priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
136         priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
137         priv->hw_params.scd_bc_tbls_size =
138                         IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
139         priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
140         priv->hw_params.max_stations = IWL5000_STATION_COUNT;
141         priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
142
143         priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
144         priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
145
146         priv->hw_params.max_bsm_size = 0;
147         priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
148                                         BIT(IEEE80211_BAND_5GHZ);
149         priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
150
151         priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
152         priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
153         priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
154         priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
155
156         if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
157                 priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
158
159         /* Set initial sensitivity parameters */
160         /* Set initial calibration set */
161         priv->hw_params.sens = &iwl6000_sensitivity;
162         priv->hw_params.calib_init_cfg =
163                         BIT(IWL_CALIB_XTAL)             |
164                         BIT(IWL_CALIB_LO)               |
165                         BIT(IWL_CALIB_TX_IQ)            |
166                         BIT(IWL_CALIB_TX_IQ_PERD)       |
167                         BIT(IWL_CALIB_BASE_BAND);
168
169         return 0;
170 }
171
172 static struct iwl_lib_ops iwl6000_lib = {
173         .set_hw_params = iwl6000_hw_set_hw_params,
174         .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
175         .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
176         .txq_set_sched = iwl5000_txq_set_sched,
177         .txq_agg_enable = iwl5000_txq_agg_enable,
178         .txq_agg_disable = iwl5000_txq_agg_disable,
179         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
180         .txq_free_tfd = iwl_hw_txq_free_tfd,
181         .txq_init = iwl_hw_tx_queue_init,
182         .rx_handler_setup = iwl5000_rx_handler_setup,
183         .setup_deferred_work = iwl5000_setup_deferred_work,
184         .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
185         .load_ucode = iwl5000_load_ucode,
186         .dump_nic_event_log = iwl_dump_nic_event_log,
187         .dump_nic_error_log = iwl_dump_nic_error_log,
188         .init_alive_start = iwl5000_init_alive_start,
189         .alive_notify = iwl5000_alive_notify,
190         .send_tx_power = iwl5000_send_tx_power,
191         .update_chain_flags = iwl_update_chain_flags,
192         .apm_ops = {
193                 .init = iwl5000_apm_init,
194                 .reset = iwl5000_apm_reset,
195                 .stop = iwl5000_apm_stop,
196                 .config = iwl6000_nic_config,
197                 .set_pwr_src = iwl_set_pwr_src,
198         },
199         .eeprom_ops = {
200                 .regulatory_bands = {
201                         EEPROM_5000_REG_BAND_1_CHANNELS,
202                         EEPROM_5000_REG_BAND_2_CHANNELS,
203                         EEPROM_5000_REG_BAND_3_CHANNELS,
204                         EEPROM_5000_REG_BAND_4_CHANNELS,
205                         EEPROM_5000_REG_BAND_5_CHANNELS,
206                         EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
207                         EEPROM_5000_REG_BAND_52_HT40_CHANNELS
208                 },
209                 .verify_signature  = iwlcore_eeprom_verify_signature,
210                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
211                 .release_semaphore = iwlcore_eeprom_release_semaphore,
212                 .calib_version  = iwl5000_eeprom_calib_version,
213                 .query_addr = iwl5000_eeprom_query_addr,
214                 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
215         },
216         .post_associate = iwl_post_associate,
217         .isr = iwl_isr_ict,
218         .config_ap = iwl_config_ap,
219         .temp_ops = {
220                 .temperature = iwl5000_temperature,
221                 .set_ct_kill = iwl6000_set_ct_threshold,
222          },
223 };
224
225 static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = {
226         .get_hcmd_size = iwl5000_get_hcmd_size,
227         .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
228         .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
229         .calc_rssi = iwl5000_calc_rssi,
230 };
231
232 static struct iwl_ops iwl6000_ops = {
233         .ucode = &iwl5000_ucode,
234         .lib = &iwl6000_lib,
235         .hcmd = &iwl5000_hcmd,
236         .utils = &iwl6000_hcmd_utils,
237 };
238
239
240 /*
241  * "h": Hybrid configuration, use both internal and external Power Amplifier
242  */
243 struct iwl_cfg iwl6000h_2agn_cfg = {
244         .name = "6000 Series 2x2 AGN",
245         .fw_name_pre = IWL6000_FW_PRE,
246         .ucode_api_max = IWL6000_UCODE_API_MAX,
247         .ucode_api_min = IWL6000_UCODE_API_MIN,
248         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
249         .ops = &iwl6000_ops,
250         .eeprom_size = OTP_LOW_IMAGE_SIZE,
251         .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
252         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
253         .mod_params = &iwl50_mod_params,
254         .valid_tx_ant = ANT_AB,
255         .valid_rx_ant = ANT_AB,
256         .need_pll_cfg = false,
257         .pa_type = IWL_PA_HYBRID,
258         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
259         .shadow_ram_support = true,
260         .ht_greenfield_support = true,
261         .led_compensation = 51,
262         .use_rts_for_ht = true, /* use rts/cts protection */
263 };
264
265 /*
266  * "i": Internal configuration, use internal Power Amplifier
267  */
268 struct iwl_cfg iwl6000i_2agn_cfg = {
269         .name = "6000 Series 2x2 AGN",
270         .fw_name_pre = IWL6000_FW_PRE,
271         .ucode_api_max = IWL6000_UCODE_API_MAX,
272         .ucode_api_min = IWL6000_UCODE_API_MIN,
273         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
274         .ops = &iwl6000_ops,
275         .eeprom_size = OTP_LOW_IMAGE_SIZE,
276         .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
277         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
278         .mod_params = &iwl50_mod_params,
279         .valid_tx_ant = ANT_BC,
280         .valid_rx_ant = ANT_BC,
281         .need_pll_cfg = false,
282         .pa_type = IWL_PA_INTERNAL,
283         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
284         .shadow_ram_support = true,
285         .ht_greenfield_support = true,
286         .led_compensation = 51,
287         .use_rts_for_ht = true, /* use rts/cts protection */
288 };
289
290 struct iwl_cfg iwl6050_2agn_cfg = {
291         .name = "6050 Series 2x2 AGN",
292         .fw_name_pre = IWL6050_FW_PRE,
293         .ucode_api_max = IWL6050_UCODE_API_MAX,
294         .ucode_api_min = IWL6050_UCODE_API_MIN,
295         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
296         .ops = &iwl6000_ops,
297         .eeprom_size = OTP_LOW_IMAGE_SIZE,
298         .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
299         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
300         .mod_params = &iwl50_mod_params,
301         .valid_tx_ant = ANT_AB,
302         .valid_rx_ant = ANT_AB,
303         .need_pll_cfg = false,
304         .pa_type = IWL_PA_SYSTEM,
305         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
306         .shadow_ram_support = true,
307         .ht_greenfield_support = true,
308         .led_compensation = 51,
309         .use_rts_for_ht = true, /* use rts/cts protection */
310 };
311
312 struct iwl_cfg iwl6000_3agn_cfg = {
313         .name = "6000 Series 3x3 AGN",
314         .fw_name_pre = IWL6000_FW_PRE,
315         .ucode_api_max = IWL6000_UCODE_API_MAX,
316         .ucode_api_min = IWL6000_UCODE_API_MIN,
317         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
318         .ops = &iwl6000_ops,
319         .eeprom_size = OTP_LOW_IMAGE_SIZE,
320         .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
321         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
322         .mod_params = &iwl50_mod_params,
323         .valid_tx_ant = ANT_ABC,
324         .valid_rx_ant = ANT_ABC,
325         .need_pll_cfg = false,
326         .pa_type = IWL_PA_SYSTEM,
327         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
328         .shadow_ram_support = true,
329         .ht_greenfield_support = true,
330         .led_compensation = 51,
331         .use_rts_for_ht = true, /* use rts/cts protection */
332 };
333
334 struct iwl_cfg iwl6050_3agn_cfg = {
335         .name = "6050 Series 3x3 AGN",
336         .fw_name_pre = IWL6050_FW_PRE,
337         .ucode_api_max = IWL6050_UCODE_API_MAX,
338         .ucode_api_min = IWL6050_UCODE_API_MIN,
339         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
340         .ops = &iwl6000_ops,
341         .eeprom_size = OTP_LOW_IMAGE_SIZE,
342         .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
343         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
344         .mod_params = &iwl50_mod_params,
345         .valid_tx_ant = ANT_ABC,
346         .valid_rx_ant = ANT_ABC,
347         .need_pll_cfg = false,
348         .pa_type = IWL_PA_SYSTEM,
349         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
350         .shadow_ram_support = true,
351         .ht_greenfield_support = true,
352         .led_compensation = 51,
353         .use_rts_for_ht = true, /* use rts/cts protection */
354 };
355
356 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
357 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));