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iwlwifi: refactor setting tx power
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-core.h
CommitLineData
82b9a121
TW		 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
857485c0
TW		 66/************************
67 * forward declarations *
68 ************************/
69struct iwl_host_cmd;
70struct iwl_cmd;
71
72
df48c323
TW		 73#define IWLWIFI_VERSION "1.2.26k"
74#define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation"
75
82b9a121
TW		 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};
857485c0 88struct iwl_hcmd_utils_ops {
c1adf9fb 89 u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
133636de 90 u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
f0832f13
EG		 91 void (*gain_computation)(struct iwl_priv *priv,
92 u32 *average_noise,
93 u16 min_average_noise_antennat_i,
94 u32 min_average_noise);
95 void (*chain_noise_reset)(struct iwl_priv *priv);
857485c0
TW		 96};
97
6bc913bd 98struct iwl_lib_ops {
5425e490
TW		 99 /* set hw dependant perameters */
100 int (*set_hw_params)(struct iwl_priv *priv);
399f4900
RR		 101 /* ucode shared memory */
102 int (*alloc_shared_mem)(struct iwl_priv *priv);
103 void (*free_shared_mem)(struct iwl_priv *priv);
d67f5489 104 int (*shared_mem_rx_idx)(struct iwl_priv *priv);
30e553e3 105 /* Handling TX */
e2a722eb 106 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
16466903 107 struct iwl_tx_queue *txq,
e2a722eb 108 u16 byte_cnt);
972cf447
TW		 109 void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv,
110 struct iwl_tx_queue *txq);
111 void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
30e553e3
TW		 112 /* aggregations */
113 int (*txq_agg_enable)(struct iwl_priv *priv, int txq_id, int tx_fifo,
114 int sta_id, int tid, u16 ssn_idx);
115 int (*txq_agg_disable)(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx,
116 u8 tx_fifo);
d4789efe
EG		 117 /* setup Rx handler */
118 void (*rx_handler_setup)(struct iwl_priv *priv);
4e39317d
EG		 119 /* setup deferred work */
120 void (*setup_deferred_work)(struct iwl_priv *priv);
121 /* cancel deferred work */
122 void (*cancel_deferred_work)(struct iwl_priv *priv);
f3ccc08c
EG		 123 /* alive notification after init uCode load */
124 void (*init_alive_start)(struct iwl_priv *priv);
57aab75a
TW		 125 /* alive notification */
126 int (*alive_notify)(struct iwl_priv *priv);
127 /* check validity of rtc data address */
128 int (*is_valid_rtc_data_addr)(u32 addr);
129 /* 1st ucode load */
130 int (*load_ucode)(struct iwl_priv *priv);
131 /* rfkill */
64e72c3e 132 int (*radio_kill_sw)(struct iwl_priv *priv, int disable_radio);
91238714 133 /* power management */
6f4083aa 134 struct {
91238714 135 int (*init)(struct iwl_priv *priv);
7f066108 136 int (*reset)(struct iwl_priv *priv);
f118a91d 137 void (*stop)(struct iwl_priv *priv);
694cc56d 138 void (*config)(struct iwl_priv *priv);
6f4083aa
TW		 139 int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
140 } apm_ops;
5da4b55f
MA		 141 /* power */
142 int (*set_power)(struct iwl_priv *priv, void *cmd);
630fe9b6 143 int (*send_tx_power) (struct iwl_priv *priv);
5da4b55f 144 void (*update_chain_flags)(struct iwl_priv *priv);
6bc913bd
AK		 145 /* eeprom operations (as defined in iwl-eeprom.h) */
146 struct iwl_eeprom_ops eeprom_ops;
147};
148
149struct iwl_ops {
150 const struct iwl_lib_ops *lib;
3c424c28 151 const struct iwl_hcmd_ops *hcmd;
857485c0 152 const struct iwl_hcmd_utils_ops *utils;
6bc913bd
AK		 153};
154
00acbc91
AK		 155struct iwl_mod_params {
156 int disable; /* def: 0 = enable radio */
fcc76c6b 157 int sw_crypto; /* def: 0 = using hardware encryption */
00acbc91
AK		 158 int debug; /* def: 0 = minimal debug log messages */
159 int disable_hw_scan; /* def: 0 = use h/w scan */
160 int num_of_queues; /* def: HW dependent */
161 int enable_qos; /* def: 1 = use quality of service */
162 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
163 int antenna; /* def: 0 = both antennas (use diversity) */
3a1081e8 164 int restart_fw; /* def: 1 = restart firmware */
00acbc91
AK		 165};
166
82b9a121
TW		 167struct iwl_cfg {
168 const char *name;
169 const char *fw_name;
170 unsigned int sku;
073d3f5f 171 int eeprom_size;
6bc913bd 172 const struct iwl_ops *ops;
00acbc91 173 const struct iwl_mod_params *mod_params;
82b9a121
TW		 174};
175
1d0a082d
AK		 176/***************************
177 * L i b *
178 ***************************/
179
180struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
181 struct ieee80211_ops *hw_ops);
b661c819 182void iwl_hw_detect(struct iwl_priv *priv);
1d0a082d 183
bf85ea4f 184void iwlcore_clear_stations_table(struct iwl_priv *priv);
7c616cba 185void iwl_free_calib_results(struct iwl_priv *priv);
c7de35cd
RR		 186void iwl_reset_qos(struct iwl_priv *priv);
187void iwl_set_rxon_chain(struct iwl_priv *priv);
188int iwl_set_rxon_channel(struct iwl_priv *priv,
bf85ea4f
AK		 189 enum ieee80211_band band,
190 u16 channel);
47c5196e
TW		 191void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info);
192u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
193 struct ieee80211_ht_info *sta_ht_inf);
1053d35f 194int iwl_hw_nic_init(struct iwl_priv *priv);
6ba87956
TW		 195int iwl_setup_mac(struct iwl_priv *priv);
196int iwl_init_drv(struct iwl_priv *priv);
197void iwl_uninit_drv(struct iwl_priv *priv);
1053d35f
RR		 198/* "keep warm" functions */
199int iwl_kw_init(struct iwl_priv *priv);
200int iwl_kw_alloc(struct iwl_priv *priv);
201void iwl_kw_free(struct iwl_priv *priv);
bf85ea4f 202
a55360e4
TW		 203/*****************************************************
204* RX
205******************************************************/
206void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
207int iwl_rx_queue_alloc(struct iwl_priv *priv);
208void iwl_rx_handle(struct iwl_priv *priv);
209int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
210 struct iwl_rx_queue *q);
211void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
212void iwl_rx_replenish(struct iwl_priv *priv);
1053d35f 213int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
a55360e4
TW		 214/* FIXME: remove when TX is moved to iwl core */
215int iwl_rx_queue_restock(struct iwl_priv *priv);
216int iwl_rx_queue_space(const struct iwl_rx_queue *q);
217void iwl_rx_allocate(struct iwl_priv *priv);
17b88929
TW		 218void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
219int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
c1354754
TW		 220/* Handlers */
221void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
222 struct iwl_rx_mem_buffer *rxb);
a55360e4 223
a332f8d6
TW		 224/* TX helpers */
225
1053d35f
RR		 226/*****************************************************
227* TX
228******************************************************/
229int iwl_txq_ctx_reset(struct iwl_priv *priv);
e039fa4a 230int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
1053d35f 231/* FIXME: remove when free Tx is fully merged into iwlcore */
16466903 232int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
1053d35f 233void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
fd4abac5
TW		 234int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
235 dma_addr_t addr, u16 len);
236int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
30e553e3
TW		 237int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn);
238int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid);
239int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id);
a332f8d6 240
630fe9b6
TW		 241/*****************************************************
242 * TX power
243 ****************************************************/
244int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
245
857485c0
TW		 246/*****************************************************
247 * S e n d i n g H o s t C o m m a n d s *
248 *****************************************************/
249
250const char *get_cmd_string(u8 cmd);
e5472978
TW		 251int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
252 struct iwl_host_cmd *cmd);
857485c0 253int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
e5472978
TW		 254int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
255 u16 len, const void *data);
857485c0
TW		 256int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
257 const void *data,
258 int (*callback)(struct iwl_priv *priv,
259 struct iwl_cmd *cmd,
260 struct sk_buff *skb));
fd4abac5
TW		 261
262int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
189a2b59
EK		 263
264/*****************************************************
265* Error Handling Debugging
266******************************************************/
267void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
268 u32 num_events, u32 mode);
ede0cba4 269void iwl_dump_nic_error_log(struct iwl_priv *priv);
189a2b59
EK		 270void iwl_dump_nic_event_log(struct iwl_priv *priv);
271
fee1247a
TW		 272/*************** DRIVER STATUS FUNCTIONS *****/
273
274#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
275#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
276#define STATUS_INT_ENABLED 2
277#define STATUS_RF_KILL_HW 3
278#define STATUS_RF_KILL_SW 4
279#define STATUS_INIT 5
280#define STATUS_ALIVE 6
281#define STATUS_READY 7
282#define STATUS_TEMPERATURE 8
283#define STATUS_GEO_CONFIGURED 9
284#define STATUS_EXIT_PENDING 10
285#define STATUS_IN_SUSPEND 11
286#define STATUS_STATISTICS 12
287#define STATUS_SCANNING 13
288#define STATUS_SCAN_ABORTING 14
289#define STATUS_SCAN_HW 15
290#define STATUS_POWER_PMI 16
291#define STATUS_FW_ERROR 17
292#define STATUS_CONF_PENDING 18
c46fbefa 293#define STATUS_MODE_PENDING 19
fee1247a
TW		 294
295
296static inline int iwl_is_ready(struct iwl_priv *priv)
297{
298 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
299 * set but EXIT_PENDING is not */
300 return test_bit(STATUS_READY, &priv->status) &&
301 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
302 !test_bit(STATUS_EXIT_PENDING, &priv->status);
303}
304
305static inline int iwl_is_alive(struct iwl_priv *priv)
306{
307 return test_bit(STATUS_ALIVE, &priv->status);
308}
309
310static inline int iwl_is_init(struct iwl_priv *priv)
311{
312 return test_bit(STATUS_INIT, &priv->status);
313}
314
315static inline int iwl_is_rfkill(struct iwl_priv *priv)
316{
317 return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
318 test_bit(STATUS_RF_KILL_SW, &priv->status);
319}
320
321static inline int iwl_is_ready_rf(struct iwl_priv *priv)
322{
323
324 if (iwl_is_rfkill(priv))
325 return 0;
326
327 return iwl_is_ready(priv);
328}
329
857485c0 330
c8381fdc
MA		 331enum iwlcore_card_notify {
332 IWLCORE_INIT_EVT = 0,
333 IWLCORE_START_EVT = 1,
334 IWLCORE_STOP_EVT = 2,
335 IWLCORE_REMOVE_EVT = 3,
336};
337
338int iwlcore_low_level_notify(struct iwl_priv *priv,
339 enum iwlcore_card_notify notify);
49ea8596 340extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
b0692f2f 341extern int iwl_verify_ucode(struct iwl_priv *priv);
66c73db7
TW		 342int iwl_send_lq_cmd(struct iwl_priv *priv,
343 struct iwl_link_quality_cmd *lq, u8 flags);
7e8c519e
TW		 344
345static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
346{
347 return priv->cfg->ops->hcmd->rxon_assoc(priv);
348}
349
3c57601d
RR		 350static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
351 struct iwl_priv *priv, enum ieee80211_band band)
352{
353 return priv->hw->wiphy->bands[band];
354}
355
82b9a121 356#endif /* __iwl_core_h__ */
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