iwlwifi: create disable SCD Tx FIFOs handler
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-core.h
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1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2008 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
26 *
27 * Contact Information:
28 * Tomas Winkler <tomas.winkler@intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
62
63#ifndef __iwl_core_h__
64#define __iwl_core_h__
65
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66/************************
67 * forward declarations *
68 ************************/
69struct iwl_host_cmd;
70struct iwl_cmd;
71
72
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73#define IWLWIFI_VERSION "1.2.26k"
74#define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation"
75
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76#define IWL_PCI_DEVICE(dev, subdev, cfg) \
77 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
78 .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
79 .driver_data = (kernel_ulong_t)&(cfg)
80
81#define IWL_SKU_G 0x1
82#define IWL_SKU_A 0x2
83#define IWL_SKU_N 0x8
84
3c424c28 85struct iwl_hcmd_ops {
7e8c519e 86 int (*rxon_assoc)(struct iwl_priv *priv);
3c424c28 87};
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88struct iwl_hcmd_utils_ops {
89 int (*enqueue_hcmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
133636de 90 u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
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91#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
92 void (*gain_computation)(struct iwl_priv *priv,
93 u32 *average_noise,
94 u16 min_average_noise_antennat_i,
95 u32 min_average_noise);
96 void (*chain_noise_reset)(struct iwl_priv *priv);
97#endif
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98};
99
6bc913bd 100struct iwl_lib_ops {
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101 /* set hw dependant perameters */
102 int (*set_hw_params)(struct iwl_priv *priv);
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103 /* ucode shared memory */
104 int (*alloc_shared_mem)(struct iwl_priv *priv);
105 void (*free_shared_mem)(struct iwl_priv *priv);
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106 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
107 struct iwl4965_tx_queue *txq,
108 u16 byte_cnt);
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109 /* setup Rx handler */
110 void (*rx_handler_setup)(struct iwl_priv *priv);
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111 /* nic init */
112 int (*hw_nic_init)(struct iwl_priv *priv);
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113 /* nic Tx fifo handling */
114 int (*disable_tx_fifo)(struct iwl_priv *priv);
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115 /* alive notification */
116 int (*alive_notify)(struct iwl_priv *priv);
117 /* check validity of rtc data address */
118 int (*is_valid_rtc_data_addr)(u32 addr);
119 /* 1st ucode load */
120 int (*load_ucode)(struct iwl_priv *priv);
121 /* rfkill */
122 void (*radio_kill_sw)(struct iwl_priv *priv, int disable_radio);
91238714 123 /* power management */
6f4083aa 124 struct {
91238714 125 int (*init)(struct iwl_priv *priv);
694cc56d 126 void (*config)(struct iwl_priv *priv);
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127 int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
128 } apm_ops;
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129 /* power */
130 int (*set_power)(struct iwl_priv *priv, void *cmd);
131 void (*update_chain_flags)(struct iwl_priv *priv);
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132 /* eeprom operations (as defined in iwl-eeprom.h) */
133 struct iwl_eeprom_ops eeprom_ops;
134};
135
136struct iwl_ops {
137 const struct iwl_lib_ops *lib;
3c424c28 138 const struct iwl_hcmd_ops *hcmd;
857485c0 139 const struct iwl_hcmd_utils_ops *utils;
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140};
141
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142struct iwl_mod_params {
143 int disable; /* def: 0 = enable radio */
fcc76c6b 144 int sw_crypto; /* def: 0 = using hardware encryption */
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145 int debug; /* def: 0 = minimal debug log messages */
146 int disable_hw_scan; /* def: 0 = use h/w scan */
147 int num_of_queues; /* def: HW dependent */
148 int enable_qos; /* def: 1 = use quality of service */
149 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
150 int antenna; /* def: 0 = both antennas (use diversity) */
151};
152
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153struct iwl_cfg {
154 const char *name;
155 const char *fw_name;
156 unsigned int sku;
073d3f5f 157 int eeprom_size;
6bc913bd 158 const struct iwl_ops *ops;
00acbc91 159 const struct iwl_mod_params *mod_params;
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160};
161
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162/***************************
163 * L i b *
164 ***************************/
165
166struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
167 struct ieee80211_ops *hw_ops);
b661c819 168void iwl_hw_detect(struct iwl_priv *priv);
1d0a082d 169
bf85ea4f 170void iwlcore_clear_stations_table(struct iwl_priv *priv);
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171void iwl_reset_qos(struct iwl_priv *priv);
172void iwl_set_rxon_chain(struct iwl_priv *priv);
173int iwl_set_rxon_channel(struct iwl_priv *priv,
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174 enum ieee80211_band band,
175 u16 channel);
c7de35cd 176void iwlcore_free_geos(struct iwl_priv *priv);
bf85ea4f 177int iwl_setup(struct iwl_priv *priv);
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178void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info);
179u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
180 struct ieee80211_ht_info *sta_ht_inf);
bf85ea4f 181
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182/*****************************************************
183* RX
184******************************************************/
185void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
186int iwl_rx_queue_alloc(struct iwl_priv *priv);
187void iwl_rx_handle(struct iwl_priv *priv);
188int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
189 struct iwl_rx_queue *q);
190void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
191void iwl_rx_replenish(struct iwl_priv *priv);
192/* FIXME: remove when TX is moved to iwl core */
193int iwl_rx_queue_restock(struct iwl_priv *priv);
194int iwl_rx_queue_space(const struct iwl_rx_queue *q);
195void iwl_rx_allocate(struct iwl_priv *priv);
196
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197/*****************************************************
198 * S e n d i n g H o s t C o m m a n d s *
199 *****************************************************/
200
201const char *get_cmd_string(u8 cmd);
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202int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
203 struct iwl_host_cmd *cmd);
857485c0 204int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
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205int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
206 u16 len, const void *data);
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207int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
208 const void *data,
209 int (*callback)(struct iwl_priv *priv,
210 struct iwl_cmd *cmd,
211 struct sk_buff *skb));
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212/*************** DRIVER STATUS FUNCTIONS *****/
213
214#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
215#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
216#define STATUS_INT_ENABLED 2
217#define STATUS_RF_KILL_HW 3
218#define STATUS_RF_KILL_SW 4
219#define STATUS_INIT 5
220#define STATUS_ALIVE 6
221#define STATUS_READY 7
222#define STATUS_TEMPERATURE 8
223#define STATUS_GEO_CONFIGURED 9
224#define STATUS_EXIT_PENDING 10
225#define STATUS_IN_SUSPEND 11
226#define STATUS_STATISTICS 12
227#define STATUS_SCANNING 13
228#define STATUS_SCAN_ABORTING 14
229#define STATUS_SCAN_HW 15
230#define STATUS_POWER_PMI 16
231#define STATUS_FW_ERROR 17
232#define STATUS_CONF_PENDING 18
233
234
235static inline int iwl_is_ready(struct iwl_priv *priv)
236{
237 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
238 * set but EXIT_PENDING is not */
239 return test_bit(STATUS_READY, &priv->status) &&
240 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
241 !test_bit(STATUS_EXIT_PENDING, &priv->status);
242}
243
244static inline int iwl_is_alive(struct iwl_priv *priv)
245{
246 return test_bit(STATUS_ALIVE, &priv->status);
247}
248
249static inline int iwl_is_init(struct iwl_priv *priv)
250{
251 return test_bit(STATUS_INIT, &priv->status);
252}
253
254static inline int iwl_is_rfkill(struct iwl_priv *priv)
255{
256 return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
257 test_bit(STATUS_RF_KILL_SW, &priv->status);
258}
259
260static inline int iwl_is_ready_rf(struct iwl_priv *priv)
261{
262
263 if (iwl_is_rfkill(priv))
264 return 0;
265
266 return iwl_is_ready(priv);
267}
268
857485c0 269
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270enum iwlcore_card_notify {
271 IWLCORE_INIT_EVT = 0,
272 IWLCORE_START_EVT = 1,
273 IWLCORE_STOP_EVT = 2,
274 IWLCORE_REMOVE_EVT = 3,
275};
276
277int iwlcore_low_level_notify(struct iwl_priv *priv,
278 enum iwlcore_card_notify notify);
49ea8596 279extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
b0692f2f 280extern int iwl_verify_ucode(struct iwl_priv *priv);
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281int iwl_send_lq_cmd(struct iwl_priv *priv,
282 struct iwl_link_quality_cmd *lq, u8 flags);
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283
284static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
285{
286 return priv->cfg->ops->hcmd->rxon_assoc(priv);
287}
288
a55360e4 289
82b9a121 290#endif /* __iwl_core_h__ */
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