]> nv-tegra.nvidia Code Review - linux-2.6.git/blob - drivers/net/wireless/iwlwifi/iwl-1000.c
iwlwifi: fix 3945 ucode info retrieval after failure
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-1000.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.
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"
45 #include "iwl-helpers.h"
46 #include "iwl-5000-hw.h"
47
48 /* Highest firmware API version supported */
49 #define IWL1000_UCODE_API_MAX 3
50
51 /* Lowest firmware API version supported */
52 #define IWL1000_UCODE_API_MIN 1
53
54 #define IWL1000_FW_PRE "iwlwifi-1000-"
55 #define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
56 #define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
57
58
59 /*
60  * For 1000, use advance thermal throttling critical temperature threshold,
61  * but legacy thermal management implementation for now.
62  * This is for the reason of 1000 uCode using advance thermal throttling API
63  * but not implement ct_kill_exit based on ct_kill exit temperature
64  * so the thermal throttling will still based on legacy thermal throttling
65  * management.
66  * The code here need to be modified once 1000 uCode has the advanced thermal
67  * throttling algorithm in place
68  */
69 static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
70 {
71         /* want Celsius */
72         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
73         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
74 }
75
76 /* NIC configuration for 1000 series */
77 static void iwl1000_nic_config(struct iwl_priv *priv)
78 {
79         iwl5000_nic_config(priv);
80
81         /* Setting digital SVR for 1000 card to 1.32V */
82         /* locking is acquired in iwl_set_bits_mask_prph() function */
83         iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
84                                 APMG_SVR_DIGITAL_VOLTAGE_1_32,
85                                 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
86 }
87
88 static struct iwl_lib_ops iwl1000_lib = {
89         .set_hw_params = iwl5000_hw_set_hw_params,
90         .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
91         .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
92         .txq_set_sched = iwl5000_txq_set_sched,
93         .txq_agg_enable = iwl5000_txq_agg_enable,
94         .txq_agg_disable = iwl5000_txq_agg_disable,
95         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
96         .txq_free_tfd = iwl_hw_txq_free_tfd,
97         .txq_init = iwl_hw_tx_queue_init,
98         .rx_handler_setup = iwl5000_rx_handler_setup,
99         .setup_deferred_work = iwl5000_setup_deferred_work,
100         .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
101         .load_ucode = iwl5000_load_ucode,
102         .dump_nic_event_log = iwl_dump_nic_event_log,
103         .dump_nic_error_log = iwl_dump_nic_error_log,
104         .init_alive_start = iwl5000_init_alive_start,
105         .alive_notify = iwl5000_alive_notify,
106         .send_tx_power = iwl5000_send_tx_power,
107         .update_chain_flags = iwl_update_chain_flags,
108         .apm_ops = {
109                 .init = iwl5000_apm_init,
110                 .reset = iwl5000_apm_reset,
111                 .stop = iwl5000_apm_stop,
112                 .config = iwl1000_nic_config,
113                 .set_pwr_src = iwl_set_pwr_src,
114         },
115         .eeprom_ops = {
116                 .regulatory_bands = {
117                         EEPROM_5000_REG_BAND_1_CHANNELS,
118                         EEPROM_5000_REG_BAND_2_CHANNELS,
119                         EEPROM_5000_REG_BAND_3_CHANNELS,
120                         EEPROM_5000_REG_BAND_4_CHANNELS,
121                         EEPROM_5000_REG_BAND_5_CHANNELS,
122                         EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
123                         EEPROM_5000_REG_BAND_52_HT40_CHANNELS
124                 },
125                 .verify_signature  = iwlcore_eeprom_verify_signature,
126                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
127                 .release_semaphore = iwlcore_eeprom_release_semaphore,
128                 .calib_version  = iwl5000_eeprom_calib_version,
129                 .query_addr = iwl5000_eeprom_query_addr,
130         },
131         .post_associate = iwl_post_associate,
132         .isr = iwl_isr_ict,
133         .config_ap = iwl_config_ap,
134         .temp_ops = {
135                 .temperature = iwl5000_temperature,
136                 .set_ct_kill = iwl1000_set_ct_threshold,
137          },
138 };
139
140 static struct iwl_ops iwl1000_ops = {
141         .ucode = &iwl5000_ucode,
142         .lib = &iwl1000_lib,
143         .hcmd = &iwl5000_hcmd,
144         .utils = &iwl5000_hcmd_utils,
145 };
146
147 struct iwl_cfg iwl1000_bgn_cfg = {
148         .name = "1000 Series BGN",
149         .fw_name_pre = IWL1000_FW_PRE,
150         .ucode_api_max = IWL1000_UCODE_API_MAX,
151         .ucode_api_min = IWL1000_UCODE_API_MIN,
152         .sku = IWL_SKU_G|IWL_SKU_N,
153         .ops = &iwl1000_ops,
154         .eeprom_size = OTP_LOW_IMAGE_SIZE,
155         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
156         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
157         .mod_params = &iwl50_mod_params,
158         .valid_tx_ant = ANT_A,
159         .valid_rx_ant = ANT_AB,
160         .need_pll_cfg = true,
161         .max_ll_items = OTP_MAX_LL_ITEMS_1000,
162         .shadow_ram_support = false,
163         .ht_greenfield_support = true,
164 };
165