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[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.
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 IWL6000_UCODE_API_MAX 4
50 #define IWL6050_UCODE_API_MAX 4
51
52 /* Lowest firmware API version supported */
53 #define IWL6000_UCODE_API_MIN 1
54 #define IWL6050_UCODE_API_MIN 1
55
56 #define IWL6000_FW_PRE "iwlwifi-6000-"
57 #define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode"
58 #define IWL6000_MODULE_FIRMWARE(api) _IWL6000_MODULE_FIRMWARE(api)
59
60 #define IWL6050_FW_PRE "iwlwifi-6050-"
61 #define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode"
62 #define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api)
63
64 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
65 {
66         /* want Celsius */
67         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
68         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
69 }
70
71 /* NIC configuration for 6000 series */
72 static void iwl6000_nic_config(struct iwl_priv *priv)
73 {
74         iwl5000_nic_config(priv);
75
76         /* no locking required for register write */
77         if (priv->cfg->pa_type == IWL_PA_HYBRID) {
78                 /* 2x2 hybrid phy type */
79                 iwl_write32(priv, CSR_GP_DRIVER_REG,
80                              CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB);
81         } else if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
82                 /* 2x2 IPA phy type */
83                 iwl_write32(priv, CSR_GP_DRIVER_REG,
84                              CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
85         }
86         /* else do nothing, uCode configured */
87 }
88
89 static struct iwl_lib_ops iwl6000_lib = {
90         .set_hw_params = iwl5000_hw_set_hw_params,
91         .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
92         .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
93         .txq_set_sched = iwl5000_txq_set_sched,
94         .txq_agg_enable = iwl5000_txq_agg_enable,
95         .txq_agg_disable = iwl5000_txq_agg_disable,
96         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
97         .txq_free_tfd = iwl_hw_txq_free_tfd,
98         .txq_init = iwl_hw_tx_queue_init,
99         .rx_handler_setup = iwl5000_rx_handler_setup,
100         .setup_deferred_work = iwl5000_setup_deferred_work,
101         .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
102         .load_ucode = iwl5000_load_ucode,
103         .init_alive_start = iwl5000_init_alive_start,
104         .alive_notify = iwl5000_alive_notify,
105         .send_tx_power = iwl5000_send_tx_power,
106         .update_chain_flags = iwl_update_chain_flags,
107         .apm_ops = {
108                 .init = iwl5000_apm_init,
109                 .reset = iwl5000_apm_reset,
110                 .stop = iwl5000_apm_stop,
111                 .config = iwl6000_nic_config,
112                 .set_pwr_src = iwl_set_pwr_src,
113         },
114         .eeprom_ops = {
115                 .regulatory_bands = {
116                         EEPROM_5000_REG_BAND_1_CHANNELS,
117                         EEPROM_5000_REG_BAND_2_CHANNELS,
118                         EEPROM_5000_REG_BAND_3_CHANNELS,
119                         EEPROM_5000_REG_BAND_4_CHANNELS,
120                         EEPROM_5000_REG_BAND_5_CHANNELS,
121                         EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
122                         EEPROM_5000_REG_BAND_52_HT40_CHANNELS
123                 },
124                 .verify_signature  = iwlcore_eeprom_verify_signature,
125                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
126                 .release_semaphore = iwlcore_eeprom_release_semaphore,
127                 .calib_version  = iwl5000_eeprom_calib_version,
128                 .query_addr = iwl5000_eeprom_query_addr,
129                 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
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 = iwl6000_set_ct_threshold,
137          },
138 };
139
140 static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = {
141         .get_hcmd_size = iwl5000_get_hcmd_size,
142         .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
143         .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
144         .calc_rssi = iwl5000_calc_rssi,
145 };
146
147 static struct iwl_ops iwl6000_ops = {
148         .ucode = &iwl5000_ucode,
149         .lib = &iwl6000_lib,
150         .hcmd = &iwl5000_hcmd,
151         .utils = &iwl6000_hcmd_utils,
152 };
153
154
155 /*
156  * "h": Hybrid configuration, use both internal and external Power Amplifier
157  */
158 struct iwl_cfg iwl6000h_2agn_cfg = {
159         .name = "6000 Series 2x2 AGN",
160         .fw_name_pre = IWL6000_FW_PRE,
161         .ucode_api_max = IWL6000_UCODE_API_MAX,
162         .ucode_api_min = IWL6000_UCODE_API_MIN,
163         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
164         .ops = &iwl6000_ops,
165         .eeprom_size = OTP_LOW_IMAGE_SIZE,
166         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
167         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
168         .mod_params = &iwl50_mod_params,
169         .valid_tx_ant = ANT_AB,
170         .valid_rx_ant = ANT_AB,
171         .need_pll_cfg = false,
172         .pa_type = IWL_PA_HYBRID,
173         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
174         .shadow_ram_support = true,
175         .ht_greenfield_support = true,
176 };
177
178 /*
179  * "i": Internal configuration, use internal Power Amplifier
180  */
181 struct iwl_cfg iwl6000i_2agn_cfg = {
182         .name = "6000 Series 2x2 AGN",
183         .fw_name_pre = IWL6000_FW_PRE,
184         .ucode_api_max = IWL6000_UCODE_API_MAX,
185         .ucode_api_min = IWL6000_UCODE_API_MIN,
186         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
187         .ops = &iwl6000_ops,
188         .eeprom_size = OTP_LOW_IMAGE_SIZE,
189         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
190         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
191         .mod_params = &iwl50_mod_params,
192         .valid_tx_ant = ANT_BC,
193         .valid_rx_ant = ANT_BC,
194         .need_pll_cfg = false,
195         .pa_type = IWL_PA_INTERNAL,
196         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
197         .shadow_ram_support = true,
198         .ht_greenfield_support = true,
199 };
200
201 struct iwl_cfg iwl6050_2agn_cfg = {
202         .name = "6050 Series 2x2 AGN",
203         .fw_name_pre = IWL6050_FW_PRE,
204         .ucode_api_max = IWL6050_UCODE_API_MAX,
205         .ucode_api_min = IWL6050_UCODE_API_MIN,
206         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
207         .ops = &iwl6000_ops,
208         .eeprom_size = OTP_LOW_IMAGE_SIZE,
209         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
210         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
211         .mod_params = &iwl50_mod_params,
212         .valid_tx_ant = ANT_AB,
213         .valid_rx_ant = ANT_AB,
214         .need_pll_cfg = false,
215         .pa_type = IWL_PA_SYSTEM,
216         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
217         .shadow_ram_support = true,
218         .ht_greenfield_support = true,
219 };
220
221 struct iwl_cfg iwl6000_3agn_cfg = {
222         .name = "6000 Series 3x3 AGN",
223         .fw_name_pre = IWL6000_FW_PRE,
224         .ucode_api_max = IWL6000_UCODE_API_MAX,
225         .ucode_api_min = IWL6000_UCODE_API_MIN,
226         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
227         .ops = &iwl6000_ops,
228         .eeprom_size = OTP_LOW_IMAGE_SIZE,
229         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
230         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
231         .mod_params = &iwl50_mod_params,
232         .valid_tx_ant = ANT_ABC,
233         .valid_rx_ant = ANT_ABC,
234         .need_pll_cfg = false,
235         .pa_type = IWL_PA_SYSTEM,
236         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
237         .shadow_ram_support = true,
238         .ht_greenfield_support = true,
239 };
240
241 struct iwl_cfg iwl6050_3agn_cfg = {
242         .name = "6050 Series 3x3 AGN",
243         .fw_name_pre = IWL6050_FW_PRE,
244         .ucode_api_max = IWL6050_UCODE_API_MAX,
245         .ucode_api_min = IWL6050_UCODE_API_MIN,
246         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
247         .ops = &iwl6000_ops,
248         .eeprom_size = OTP_LOW_IMAGE_SIZE,
249         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
250         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
251         .mod_params = &iwl50_mod_params,
252         .valid_tx_ant = ANT_ABC,
253         .valid_rx_ant = ANT_ABC,
254         .need_pll_cfg = false,
255         .pa_type = IWL_PA_SYSTEM,
256         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
257         .shadow_ram_support = true,
258         .ht_greenfield_support = true,
259 };
260
261 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
262 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));