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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / drivers / net / wireless / iwlwifi / iwl-3945.h
CommitLineData
b481de9c
ZY		 1/******************************************************************************
2 *
01f8162a 3 * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
b481de9c
ZY		 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:
759ef89f 22 * Intel Linux Wireless <ilw@linux.intel.com>
b481de9c
ZY		 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
fcd427bb
BC		 26/*
27 * Please use this file (iwl-3945.h) for driver implementation definitions.
28 * Please use iwl-3945-commands.h for uCode API definitions.
29 * Please use iwl-3945-hw.h for hardware-related definitions.
30 */
b481de9c
ZY		 31
32#ifndef __iwl_3945_h__
33#define __iwl_3945_h__
34
5d08cd1d
CH		 35#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <net/ieee80211_radiotap.h>
38
5d08cd1d 39/* Hardware specific file defines the PCI IDs table for that hardware module */
bb8c093b 40extern struct pci_device_id iwl3945_hw_card_ids[];
5d08cd1d 41
6f83eaa1 42#include "iwl-csr.h"
5d08cd1d 43#include "iwl-prph.h"
dbb6654c 44#include "iwl-fh.h"
6f83eaa1 45#include "iwl-3945-hw.h"
40b8ec0b 46#include "iwl-debug.h"
1125eff3 47#include "iwl-power.h"
d20b3c65 48#include "iwl-dev.h"
ab53d8af 49#include "iwl-3945-led.h"
5d08cd1d 50
a0987a8d 51/* Highest firmware API version supported */
011a0330 52#define IWL3945_UCODE_API_MAX 2
a0987a8d
RC		 53
54/* Lowest firmware API version supported */
55#define IWL3945_UCODE_API_MIN 1
56
57#define IWL3945_FW_PRE "iwlwifi-3945-"
58#define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode"
59#define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api)
4bf775cd 60
5d08cd1d
CH		 61/* Default noise level to report when noise measurement is not available.
62 * This may be because we're:
63 * 1) Not associated (4965, no beacon statistics being sent to driver)
64 * 2) Scanning (noise measurement does not apply to associated channel)
65 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
66 * Use default noise value of -127 ... this is below the range of measurable
67 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
68 * Also, -127 works better than 0 when averaging frames with/without
69 * noise info (e.g. averaging might be done in app); measured dBm values are
70 * always negative ... using a negative value as the default keeps all
71 * averages within an s8's (used in some apps) range of negative values. */
72#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
73
74/* Module parameters accessible from iwl-*.c */
df878d8f 75extern struct iwl_mod_params iwl3945_mod_params;
5d08cd1d 76
4b7679a5
JB		 77struct iwl3945_sta_priv {
78 struct iwl3945_rs_sta *rs_sta;
79};
80
bb8c093b 81enum iwl3945_antenna {
5d08cd1d
CH		 82 IWL_ANTENNA_DIVERSITY,
83 IWL_ANTENNA_MAIN,
84 IWL_ANTENNA_AUX
85};
86
87/*
88 * RTS threshold here is total size [2347] minus 4 FCS bytes
89 * Per spec:
90 * a value of 0 means RTS on all data/management packets
91 * a value > max MSDU size means no RTS
92 * else RTS for data/management frames where MPDU is larger
93 * than RTS value.
94 */
95#define DEFAULT_RTS_THRESHOLD 2347U
96#define MIN_RTS_THRESHOLD 0U
97#define MAX_RTS_THRESHOLD 2347U
98#define MAX_MSDU_SIZE 2304U
99#define MAX_MPDU_SIZE 2346U
100#define DEFAULT_BEACON_INTERVAL 100U
101#define DEFAULT_SHORT_RETRY_LIMIT 7U
102#define DEFAULT_LONG_RETRY_LIMIT 4U
103
d9829a67 104#include "iwl-agn-rs.h"
5d08cd1d
CH		 105
106#define IWL_TX_FIFO_AC0 0
107#define IWL_TX_FIFO_AC1 1
108#define IWL_TX_FIFO_AC2 2
109#define IWL_TX_FIFO_AC3 3
110#define IWL_TX_FIFO_HCCA_1 5
111#define IWL_TX_FIFO_HCCA_2 6
112#define IWL_TX_FIFO_NONE 7
113
5d08cd1d
CH		 114#define IEEE80211_DATA_LEN 2304
115#define IEEE80211_4ADDR_LEN 30
116#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
117#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
118
bb8c093b 119struct iwl3945_frame {
5d08cd1d
CH		 120 union {
121 struct ieee80211_hdr frame;
bb8c093b 122 struct iwl3945_tx_beacon_cmd beacon;
5d08cd1d
CH		 123 u8 raw[IEEE80211_FRAME_LEN];
124 u8 cmd[360];
125 } u;
126 struct list_head list;
127};
128
5d08cd1d
CH		 129#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
130#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
131#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
132
5d08cd1d
CH		 133/*
134 * RX related structures and functions
135 */
136#define RX_FREE_BUFFERS 64
137#define RX_LOW_WATERMARK 8
138
139#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
140#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
141#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
142
5d08cd1d
CH		 143#define IWL_SUPPORTED_RATES_IE_LEN 8
144
145#define SCAN_INTERVAL 100
146
5d08cd1d 147#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
e5472978
TW		 148#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
149#define STATUS_INT_ENABLED 2
150#define STATUS_RF_KILL_HW 3
e5472978
TW		 151#define STATUS_INIT 5
152#define STATUS_ALIVE 6
153#define STATUS_READY 7
154#define STATUS_TEMPERATURE 8
155#define STATUS_GEO_CONFIGURED 9
156#define STATUS_EXIT_PENDING 10
e5472978
TW		 157#define STATUS_STATISTICS 12
158#define STATUS_SCANNING 13
159#define STATUS_SCAN_ABORTING 14
160#define STATUS_SCAN_HW 15
161#define STATUS_POWER_PMI 16
162#define STATUS_FW_ERROR 17
163#define STATUS_CONF_PENDING 18
5d08cd1d
CH		 164
165#define MAX_TID_COUNT 9
166
167#define IWL_INVALID_RATE 0xFF
168#define IWL_INVALID_VALUE -1
169
5d08cd1d
CH		 170#define STA_PS_STATUS_WAKE 0
171#define STA_PS_STATUS_SLEEP 1
172
bb8c093b 173struct iwl3945_ibss_seq {
5d08cd1d
CH		 174 u8 mac[ETH_ALEN];
175 u16 seq_num;
176 u16 frag_num;
177 unsigned long packet_time;
178 struct list_head list;
179};
180
bb8c093b 181#define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
5d08cd1d
CH		 182 x->u.rx_frame.stats.payload + \
183 x->u.rx_frame.stats.phy_count))
bb8c093b 184#define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
5d08cd1d
CH		 185 IWL_RX_HDR(x)->payload + \
186 le16_to_cpu(IWL_RX_HDR(x)->len)))
187#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
188#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
189
190
191/******************************************************************************
192 *
193 * Functions implemented in iwl-base.c which are forward declared here
194 * for use by iwl-*.c
195 *
196 *****************************************************************************/
4a8a4322
AK		 197extern int iwl3945_power_init_handle(struct iwl_priv *priv);
198extern int iwl3945_eeprom_init(struct iwl_priv *priv);
bb8c093b
CH		 199extern int iwl3945_calc_db_from_ratio(int sig_ratio);
200extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
4a8a4322 201extern int iwl3945_tx_queue_init(struct iwl_priv *priv,
188cf6c7 202 struct iwl_tx_queue *txq, int count, u32 id);
bb8c093b 203extern void iwl3945_rx_replenish(void *data);
df833b1d 204extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
188cf6c7 205extern void iwl3945_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq);
4a8a4322 206extern int iwl3945_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
5d08cd1d 207 const void *data);
4a8a4322 208extern int __must_check iwl3945_send_cmd(struct iwl_priv *priv,
c2d79b48 209 struct iwl_host_cmd *cmd);
4a8a4322 210extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
73ec1cc2 211 struct ieee80211_hdr *hdr,int left);
b7a79404
RC		 212extern void iwl3945_dump_nic_event_log(struct iwl_priv *priv);
213extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv);
5d08cd1d
CH		 214
215/*
216 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
217 * call this... todo... fix that.
218*/
4a8a4322 219extern u8 iwl3945_sync_station(struct iwl_priv *priv, int sta_id,
5d08cd1d
CH		 220 u16 tx_rate, u8 flags);
221
222/******************************************************************************
223 *
224 * Functions implemented in iwl-[34]*.c which are forward declared here
225 * for use by iwl-base.c
226 *
227 * NOTE: The implementation of these functions are hardware specific
228 * which is why they are in the hardware specific files (vs. iwl-base.c)
229 *
230 * Naming convention --
bb8c093b
CH		 231 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
232 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 233 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 234 * iwl3945_bg_ <-- Called from work queue context
235 * iwl3945_mac_ <-- mac80211 callback
5d08cd1d
CH		 236 *
237 ****************************************************************************/
4a8a4322
AK		 238extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv);
239extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv);
240extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv);
241extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv);
242extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv);
243extern int iwl3945_hw_nic_init(struct iwl_priv *priv);
244extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv);
245extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv);
246extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv);
247extern int iwl3945_hw_nic_reset(struct iwl_priv *priv);
7aaa1d79
SO		 248extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
249 struct iwl_tx_queue *txq,
250 dma_addr_t addr, u16 len,
251 u8 reset, u8 pad);
252extern void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv,
253 struct iwl_tx_queue *txq);
4a8a4322
AK		 254extern int iwl3945_hw_get_temperature(struct iwl_priv *priv);
255extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv,
188cf6c7 256 struct iwl_tx_queue *txq);
4a8a4322 257extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv,
bb8c093b 258 struct iwl3945_frame *frame, u8 rate);
c2acea8e
JB		 259void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
260 struct iwl_device_cmd *cmd,
261 struct ieee80211_tx_info *info,
262 struct ieee80211_hdr *hdr,
263 int sta_id, int tx_id);
4a8a4322
AK		 264extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
265extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
266extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
6100b588 267 struct iwl_rx_mem_buffer *rxb);
4a8a4322
AK		 268extern void iwl3945_disable_events(struct iwl_priv *priv);
269extern int iwl4965_get_temperature(const struct iwl_priv *priv);
5bbe233b 270extern void iwl3945_post_associate(struct iwl_priv *priv);
60690a6a 271extern void iwl3945_config_ap(struct iwl_priv *priv);
5d08cd1d
CH		 272
273/**
bb8c093b 274 * iwl3945_hw_find_station - Find station id for a given BSSID
5d08cd1d
CH		 275 * @bssid: MAC address of station ID to find
276 *
277 * NOTE: This should not be hardware specific but the code has
278 * not yet been merged into a single common layer for managing the
279 * station tables.
280 */
4a8a4322 281extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
5d08cd1d 282
4a8a4322 283extern int iwl3945_hw_channel_switch(struct iwl_priv *priv, u16 channel);
5d08cd1d 284
b481de9c
ZY		 285/*
286 * Forward declare iwl-3945.c functions for iwl-base.c
287 */
4a8a4322
AK		 288extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv);
289extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv);
290extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv);
291extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv);
292extern u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
b481de9c 293 u16 tx_rate, u8 flags);
5d08cd1d 294
d20b3c65 295extern const struct iwl_channel_info *iwl3945_get_channel_info(
4a8a4322 296 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
5d08cd1d 297
4a8a4322 298extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate);
e6a9854b 299
4a8a4322 300/* Requires full declaration of iwl_priv before including */
5d49f498 301#include "iwl-io.h"
5d08cd1d 302
b481de9c 303#endif