iwlagn: move Keep Warm to transport layer
[linux-block.git] / drivers / net / wireless / iwlwifi / iwl-shared.h
CommitLineData
48f20d35
EG
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) 2007 - 2011 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 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2011 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_shared_h__
64#define __iwl_shared_h__
65
e6bb4c9c
EG
66/*This files includes all the types / functions that are exported by the
67 * upper layer to the bus and transport layer */
68
48f20d35 69struct iwl_cfg;
cac988a6 70struct iwl_bus;
48f20d35 71struct iwl_priv;
d6189124 72struct iwl_sensitivity_ranges;
e6bb4c9c 73struct iwl_trans_ops;
48f20d35
EG
74
75extern struct iwl_mod_params iwlagn_mod_params;
76
e4ef84d9
WYG
77/**
78 * struct iwl_mod_params
79 * @sw_crypto: using hardware encryption, default = 0
80 * @num_of_queues: number of tx queue, HW dependent
81 * @disable_11n: 11n capabilities enabled, default = 0
82 * @amsdu_size_8K: enable 8K amsdu size, default = 1
83 * @antenna: both antennas (use diversity), default = 0
84 * @restart_fw: restart firmware, default = 1
85 * @plcp_check: enable plcp health check, default = true
86 * @ack_check: disable ack health check, default = false
87 * @wd_disable: enable stuck queue check, default = false
88 * @bt_coex_active: enable bt coex, default = true
89 * @led_mode: system default, default = 0
90 * @no_sleep_autoadjust: disable autoadjust, default = true
91 * @power_save: disable power save, default = false
92 * @power_level: power level, default = 1
93 * @debug_level: levels are IWL_DL_*
94 * @ant_coupling: antenna coupling in dB, default = 0
95 * @bt_ch_announce: BT channel inhibition, default = enable
96 * @wanted_ucode_alternative: ucode alternative to use, default = 1
97 * @auto_agg: enable agg. without check, default = true
98 */
48f20d35 99struct iwl_mod_params {
e4ef84d9
WYG
100 int sw_crypto;
101 int num_of_queues;
102 int disable_11n;
103 int amsdu_size_8K;
104 int antenna;
105 int restart_fw;
106 bool plcp_check;
107 bool ack_check;
108 bool wd_disable;
109 bool bt_coex_active;
110 int led_mode;
111 bool no_sleep_autoadjust;
112 bool power_save;
113 int power_level;
114 u32 debug_level;
48f20d35 115 int ant_coupling;
e4ef84d9 116 bool bt_ch_announce;
48f20d35 117 int wanted_ucode_alternative;
e4ef84d9 118 bool auto_agg;
48f20d35
EG
119};
120
d6189124
EG
121/**
122 * struct iwl_hw_params
123 * @max_txq_num: Max # Tx queues supported
d6189124
EG
124 * @tx/rx_chains_num: Number of TX/RX chains
125 * @valid_tx/rx_ant: usable antennas
d6189124
EG
126 * @rx_page_order: Rx buffer page order
127 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
128 * @max_stations:
129 * @ht40_channel: is 40MHz width possible in band 2.4
130 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
131 * @sw_crypto: 0 for hw, 1 for sw
132 * @max_xxx_size: for ucode uses
133 * @ct_kill_threshold: temperature threshold
134 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
135 * @calib_init_cfg: setup initial calibrations for the hw
136 * @calib_rt_cfg: setup runtime calibrations for the hw
137 * @struct iwl_sensitivity_ranges: range of sensitivity values
138 */
139struct iwl_hw_params {
140 u8 max_txq_num;
d6189124
EG
141 u8 tx_chains_num;
142 u8 rx_chains_num;
143 u8 valid_tx_ant;
144 u8 valid_rx_ant;
d6189124
EG
145 u32 rx_page_order;
146 u8 max_stations;
147 u8 ht40_channel;
d6189124
EG
148 u32 max_inst_size;
149 u32 max_data_size;
150 u32 ct_kill_threshold; /* value in hw-dependent units */
151 u32 ct_kill_exit_threshold; /* value in hw-dependent units */
152 /* for 1000, 6000 series and up */
153 u16 beacon_time_tsf_bits;
154 u32 calib_init_cfg;
155 u32 calib_rt_cfg;
156 const struct iwl_sensitivity_ranges *sens;
157};
158
cac988a6
EG
159/**
160 * struct iwl_shared - shared fields for all the layers of the driver
161 *
8f470ce3
EG
162 * @dbg_level_dev: dbg level set per device. Prevails on
163 * iwlagn_mod_params.debug_level if set (!= 0)
cefeaa5f 164 * @cmd_queue: command queue number
63013ae3 165 * @status: STATUS_*
cac988a6
EG
166 * @bus: pointer to the bus layer data
167 * @priv: pointer to the upper layer data
d6189124 168 * @hw_params: see struct iwl_hw_params
74e28e44 169 * @workqueue: the workqueue used by all the layers of the driver
10b15e6f 170 * @lock: protect general shared data
f39c95e8
EG
171 * @sta_lock: protects the station table.
172 * If lock and sta_lock are needed, lock must be acquired first.
6ac2f839 173 * @mutex:
cac988a6
EG
174 */
175struct iwl_shared {
8f470ce3
EG
176#ifdef CONFIG_IWLWIFI_DEBUG
177 u32 dbg_level_dev;
178#endif /* CONFIG_IWLWIFI_DEBUG */
179
cefeaa5f 180 u8 cmd_queue;
63013ae3 181 unsigned long status;
57210f7c 182 bool wowlan;
cefeaa5f 183
cac988a6
EG
184 struct iwl_bus *bus;
185 struct iwl_priv *priv;
e6bb4c9c 186 struct iwl_trans *trans;
d6189124 187 struct iwl_hw_params hw_params;
74e28e44
EG
188
189 struct workqueue_struct *workqueue;
10b15e6f 190 spinlock_t lock;
f39c95e8 191 spinlock_t sta_lock;
6ac2f839 192 struct mutex mutex;
cac988a6
EG
193};
194
195/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */
196#define priv(_m) ((_m)->shrd->priv)
197#define bus(_m) ((_m)->shrd->bus)
e6bb4c9c 198#define trans(_m) ((_m)->shrd->trans)
d6189124 199#define hw_params(_m) ((_m)->shrd->hw_params)
cac988a6 200
8f470ce3
EG
201#ifdef CONFIG_IWLWIFI_DEBUG
202/*
203 * iwl_get_debug_level: Return active debug level for device
204 *
205 * Using sysfs it is possible to set per device debug level. This debug
206 * level will be used if set, otherwise the global debug level which can be
207 * set via module parameter is used.
208 */
209static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
210{
211 if (shrd->dbg_level_dev)
212 return shrd->dbg_level_dev;
213 else
214 return iwlagn_mod_params.debug_level;
215}
216#else
217static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
218{
219 return iwlagn_mod_params.debug_level;
220}
221#endif
222
790428b6
EG
223static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page)
224{
225 free_pages(page, shrd->hw_params.rx_page_order);
226}
227
5a878bf6
EG
228struct iwl_rx_mem_buffer {
229 dma_addr_t page_dma;
230 struct page *page;
231 struct list_head list;
232};
233
234#define rxb_addr(r) page_address(r->page)
235
48f20d35
EG
236#ifdef CONFIG_PM
237int iwl_suspend(struct iwl_priv *priv);
238int iwl_resume(struct iwl_priv *priv);
239#endif /* !CONFIG_PM */
240
e6bb4c9c
EG
241int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
242 struct iwl_cfg *cfg);
48f20d35
EG
243void __devexit iwl_remove(struct iwl_priv * priv);
244
845a9c0d
EG
245/*****************************************************
246* DRIVER STATUS FUNCTIONS
247******************************************************/
248#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
249/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
250#define STATUS_INT_ENABLED 2
251#define STATUS_RF_KILL_HW 3
252#define STATUS_CT_KILL 4
253#define STATUS_INIT 5
254#define STATUS_ALIVE 6
255#define STATUS_READY 7
256#define STATUS_TEMPERATURE 8
257#define STATUS_GEO_CONFIGURED 9
258#define STATUS_EXIT_PENDING 10
259#define STATUS_STATISTICS 12
260#define STATUS_SCANNING 13
261#define STATUS_SCAN_ABORTING 14
262#define STATUS_SCAN_HW 15
263#define STATUS_POWER_PMI 16
264#define STATUS_FW_ERROR 17
265#define STATUS_DEVICE_ENABLED 18
266#define STATUS_CHANNEL_SWITCH_PENDING 19
267
268static inline int iwl_is_ready(struct iwl_shared *shrd)
269{
270 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
271 * set but EXIT_PENDING is not */
272 return test_bit(STATUS_READY, &shrd->status) &&
273 test_bit(STATUS_GEO_CONFIGURED, &shrd->status) &&
274 !test_bit(STATUS_EXIT_PENDING, &shrd->status);
275}
276
277static inline int iwl_is_alive(struct iwl_shared *shrd)
278{
279 return test_bit(STATUS_ALIVE, &shrd->status);
280}
281
282static inline int iwl_is_init(struct iwl_shared *shrd)
283{
284 return test_bit(STATUS_INIT, &shrd->status);
285}
286
287static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd)
288{
289 return test_bit(STATUS_RF_KILL_HW, &shrd->status);
290}
291
292static inline int iwl_is_rfkill(struct iwl_shared *shrd)
293{
294 return iwl_is_rfkill_hw(shrd);
295}
296
297static inline int iwl_is_ctkill(struct iwl_shared *shrd)
298{
299 return test_bit(STATUS_CT_KILL, &shrd->status);
300}
301
302static inline int iwl_is_ready_rf(struct iwl_shared *shrd)
303{
304 if (iwl_is_rfkill(shrd))
305 return 0;
306
307 return iwl_is_ready(shrd);
308}
309
48f20d35 310#endif /* #__iwl_shared_h__ */