summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlegacy/3945.h
blob: 9a8703def0ba1a1825c264b5e5806003412c5e91 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
/******************************************************************************
 *
 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/

#ifndef __il_3945_h__
#define __il_3945_h__

#include <linux/pci.h>		/* for struct pci_device_id */
#include <linux/kernel.h>
#include <net/ieee80211_radiotap.h>

/* Hardware specific file defines the PCI IDs table for that hardware module */
extern const struct pci_device_id il3945_hw_card_ids[];

#include "common.h"

extern const struct il_ops il3945_ops;

/* Highest firmware API version supported */
#define IL3945_UCODE_API_MAX 2

/* Lowest firmware API version supported */
#define IL3945_UCODE_API_MIN 1

#define IL3945_FW_PRE	"iwlwifi-3945-"
#define _IL3945_MODULE_FIRMWARE(api) IL3945_FW_PRE #api ".ucode"
#define IL3945_MODULE_FIRMWARE(api) _IL3945_MODULE_FIRMWARE(api)

/* Default noise level to report when noise measurement is not available.
 *   This may be because we're:
 *   1)  Not associated (4965, no beacon stats being sent to driver)
 *   2)  Scanning (noise measurement does not apply to associated channel)
 *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
 * Use default noise value of -127 ... this is below the range of measurable
 *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
 *   Also, -127 works better than 0 when averaging frames with/without
 *   noise info (e.g. averaging might be done in app); measured dBm values are
 *   always negative ... using a negative value as the default keeps all
 *   averages within an s8's (used in some apps) range of negative values. */
#define IL_NOISE_MEAS_NOT_AVAILABLE (-127)

/* Module parameters accessible from iwl-*.c */
extern struct il_mod_params il3945_mod_params;

struct il3945_rate_scale_data {
	u64 data;
	s32 success_counter;
	s32 success_ratio;
	s32 counter;
	s32 average_tpt;
	unsigned long stamp;
};

struct il3945_rs_sta {
	spinlock_t lock;
	struct il_priv *il;
	s32 *expected_tpt;
	unsigned long last_partial_flush;
	unsigned long last_flush;
	u32 flush_time;
	u32 last_tx_packets;
	u32 tx_packets;
	u8 tgg;
	u8 flush_pending;
	u8 start_rate;
	struct timer_list rate_scale_flush;
	struct il3945_rate_scale_data win[RATE_COUNT_3945];
#ifdef CONFIG_MAC80211_DEBUGFS
	struct dentry *rs_sta_dbgfs_stats_table_file;
#endif

	/* used to be in sta_info */
	int last_txrate_idx;
};

/*
 * The common struct MUST be first because it is shared between
 * 3945 and 4965!
 */
struct il3945_sta_priv {
	struct il_station_priv_common common;
	struct il3945_rs_sta rs_sta;
};

enum il3945_antenna {
	IL_ANTENNA_DIVERSITY,
	IL_ANTENNA_MAIN,
	IL_ANTENNA_AUX
};

/*
 * RTS threshold here is total size [2347] minus 4 FCS bytes
 * Per spec:
 *   a value of 0 means RTS on all data/management packets
 *   a value > max MSDU size means no RTS
 * else RTS for data/management frames where MPDU is larger
 *   than RTS value.
 */
#define DEFAULT_RTS_THRESHOLD     2347U
#define MIN_RTS_THRESHOLD         0U
#define MAX_RTS_THRESHOLD         2347U
#define MAX_MSDU_SIZE		  2304U
#define MAX_MPDU_SIZE		  2346U
#define DEFAULT_BEACON_INTERVAL   100U
#define	DEFAULT_SHORT_RETRY_LIMIT 7U
#define	DEFAULT_LONG_RETRY_LIMIT  4U

#define IL_TX_FIFO_AC0	0
#define IL_TX_FIFO_AC1	1
#define IL_TX_FIFO_AC2	2
#define IL_TX_FIFO_AC3	3
#define IL_TX_FIFO_HCCA_1	5
#define IL_TX_FIFO_HCCA_2	6
#define IL_TX_FIFO_NONE	7

#define IEEE80211_DATA_LEN              2304
#define IEEE80211_4ADDR_LEN             30
#define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
#define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)

struct il3945_frame {
	union {
		struct ieee80211_hdr frame;
		struct il3945_tx_beacon_cmd beacon;
		u8 raw[IEEE80211_FRAME_LEN];
		u8 cmd[360];
	} u;
	struct list_head list;
};

#define SUP_RATE_11A_MAX_NUM_CHANNELS  8
#define SUP_RATE_11B_MAX_NUM_CHANNELS  4
#define SUP_RATE_11G_MAX_NUM_CHANNELS  12

#define IL_SUPPORTED_RATES_IE_LEN         8

#define SCAN_INTERVAL 100

#define MAX_TID_COUNT        9

#define IL_INVALID_RATE     0xFF
#define IL_INVALID_VALUE    -1

#define STA_PS_STATUS_WAKE             0
#define STA_PS_STATUS_SLEEP            1

struct il3945_ibss_seq {
	u8 mac[ETH_ALEN];
	u16 seq_num;
	u16 frag_num;
	unsigned long packet_time;
	struct list_head list;
};

#define IL_RX_HDR(x) ((struct il3945_rx_frame_hdr *)(\
		       x->u.rx_frame.stats.payload + \
		       x->u.rx_frame.stats.phy_count))
#define IL_RX_END(x) ((struct il3945_rx_frame_end *)(\
		       IL_RX_HDR(x)->payload + \
		       le16_to_cpu(IL_RX_HDR(x)->len)))
#define IL_RX_STATS(x) (&x->u.rx_frame.stats)
#define IL_RX_DATA(x) (IL_RX_HDR(x)->payload)

/******************************************************************************
 *
 * Functions implemented in iwl3945-base.c which are forward declared here
 * for use by iwl-*.c
 *
 *****************************************************************************/
extern int il3945_calc_db_from_ratio(int sig_ratio);
extern void il3945_rx_replenish(void *data);
extern void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq);
extern unsigned int il3945_fill_beacon_frame(struct il_priv *il,
					     struct ieee80211_hdr *hdr,
					     int left);
extern int il3945_dump_nic_event_log(struct il_priv *il, bool full_log,
				     char **buf, bool display);
extern void il3945_dump_nic_error_log(struct il_priv *il);

/******************************************************************************
 *
 * Functions implemented in iwl-[34]*.c which are forward declared here
 * for use by iwl3945-base.c
 *
 * NOTE:  The implementation of these functions are hardware specific
 * which is why they are in the hardware specific files (vs. iwl-base.c)
 *
 * Naming convention --
 * il3945_         <-- Its part of iwlwifi (should be changed to il3945_)
 * il3945_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
 * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 * il3945_bg_      <-- Called from work queue context
 * il3945_mac_     <-- mac80211 callback
 *
 ****************************************************************************/
extern void il3945_hw_handler_setup(struct il_priv *il);
extern void il3945_hw_setup_deferred_work(struct il_priv *il);
extern void il3945_hw_cancel_deferred_work(struct il_priv *il);
extern int il3945_hw_rxq_stop(struct il_priv *il);
extern int il3945_hw_set_hw_params(struct il_priv *il);
extern int il3945_hw_nic_init(struct il_priv *il);
extern int il3945_hw_nic_stop_master(struct il_priv *il);
extern void il3945_hw_txq_ctx_free(struct il_priv *il);
extern void il3945_hw_txq_ctx_stop(struct il_priv *il);
extern int il3945_hw_nic_reset(struct il_priv *il);
extern int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il,
					   struct il_tx_queue *txq,
					   dma_addr_t addr, u16 len, u8 reset,
					   u8 pad);
extern void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq);
extern int il3945_hw_get_temperature(struct il_priv *il);
extern int il3945_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
extern unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il,
					     struct il3945_frame *frame,
					     u8 rate);
void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
				 struct ieee80211_tx_info *info,
				 struct ieee80211_hdr *hdr, int sta_id);
extern int il3945_hw_reg_send_txpower(struct il_priv *il);
extern int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power);
extern void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb);
void il3945_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb);
extern void il3945_disable_events(struct il_priv *il);
extern int il4965_get_temperature(const struct il_priv *il);
extern void il3945_post_associate(struct il_priv *il);
extern void il3945_config_ap(struct il_priv *il);

extern int il3945_commit_rxon(struct il_priv *il);

/**
 * il3945_hw_find_station - Find station id for a given BSSID
 * @bssid: MAC address of station ID to find
 *
 * NOTE:  This should not be hardware specific but the code has
 * not yet been merged into a single common layer for managing the
 * station tables.
 */
extern u8 il3945_hw_find_station(struct il_priv *il, const u8 * bssid);

extern __le32 il3945_get_antenna_flags(const struct il_priv *il);
extern int il3945_init_hw_rate_table(struct il_priv *il);
extern void il3945_reg_txpower_periodic(struct il_priv *il);
extern int il3945_txpower_set_from_eeprom(struct il_priv *il);

extern int il3945_rs_next_rate(struct il_priv *il, int rate);

/* scanning */
int il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif);
void il3945_post_scan(struct il_priv *il);

/* rates */
extern const struct il3945_rate_info il3945_rates[RATE_COUNT_3945];

/* RSSI to dBm */
#define IL39_RSSI_OFFSET	95

/*
 * EEPROM related constants, enums, and structures.
 */
#define EEPROM_SKU_CAP_OP_MODE_MRC                      (1 << 7)

/*
 * Mapping of a Tx power level, at factory calibration temperature,
 *   to a radio/DSP gain table idx.
 * One for each of 5 "sample" power levels in each band.
 * v_det is measured at the factory, using the 3945's built-in power amplifier
 *   (PA) output voltage detector.  This same detector is used during Tx of
 *   long packets in normal operation to provide feedback as to proper output
 *   level.
 * Data copied from EEPROM.
 * DO NOT ALTER THIS STRUCTURE!!!
 */
struct il3945_eeprom_txpower_sample {
	u8 gain_idx;		/* idx into power (gain) setup table ... */
	s8 power;		/* ... for this pwr level for this chnl group */
	u16 v_det;		/* PA output voltage */
} __packed;

/*
 * Mappings of Tx power levels -> nominal radio/DSP gain table idxes.
 * One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
 * Tx power setup code interpolates between the 5 "sample" power levels
 *    to determine the nominal setup for a requested power level.
 * Data copied from EEPROM.
 * DO NOT ALTER THIS STRUCTURE!!!
 */
struct il3945_eeprom_txpower_group {
	struct il3945_eeprom_txpower_sample samples[5];	/* 5 power levels */
	s32 a, b, c, d, e;	/* coefficients for voltage->power
				 * formula (signed) */
	s32 Fa, Fb, Fc, Fd, Fe;	/* these modify coeffs based on
				 * frequency (signed) */
	s8 saturation_power;	/* highest power possible by h/w in this
				 * band */
	u8 group_channel;	/* "representative" channel # in this band */
	s16 temperature;	/* h/w temperature at factory calib this band
				 * (signed) */
} __packed;

/*
 * Temperature-based Tx-power compensation data, not band-specific.
 * These coefficients are use to modify a/b/c/d/e coeffs based on
 *   difference between current temperature and factory calib temperature.
 * Data copied from EEPROM.
 */
struct il3945_eeprom_temperature_corr {
	u32 Ta;
	u32 Tb;
	u32 Tc;
	u32 Td;
	u32 Te;
} __packed;

/*
 * EEPROM map
 */
struct il3945_eeprom {
	u8 reserved0[16];
	u16 device_id;		/* abs.ofs: 16 */
	u8 reserved1[2];
	u16 pmc;		/* abs.ofs: 20 */
	u8 reserved2[20];
	u8 mac_address[6];	/* abs.ofs: 42 */
	u8 reserved3[58];
	u16 board_revision;	/* abs.ofs: 106 */
	u8 reserved4[11];
	u8 board_pba_number[9];	/* abs.ofs: 119 */
	u8 reserved5[8];
	u16 version;		/* abs.ofs: 136 */
	u8 sku_cap;		/* abs.ofs: 138 */
	u8 leds_mode;		/* abs.ofs: 139 */
	u16 oem_mode;
	u16 wowlan_mode;	/* abs.ofs: 142 */
	u16 leds_time_interval;	/* abs.ofs: 144 */
	u8 leds_off_time;	/* abs.ofs: 146 */
	u8 leds_on_time;	/* abs.ofs: 147 */
	u8 almgor_m_version;	/* abs.ofs: 148 */
	u8 antenna_switch_type;	/* abs.ofs: 149 */
	u8 reserved6[42];
	u8 sku_id[4];		/* abs.ofs: 192 */

/*
 * Per-channel regulatory data.
 *
 * Each channel that *might* be supported by 3945 has a fixed location
 * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
 * txpower (MSB).
 *
 * Entries immediately below are for 20 MHz channel width.
 *
 * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
 */
	u16 band_1_count;	/* abs.ofs: 196 */
	struct il_eeprom_channel band_1_channels[14];	/* abs.ofs: 198 */

/*
 * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
 * 5.0 GHz channels 7, 8, 11, 12, 16
 * (4915-5080MHz) (none of these is ever supported)
 */
	u16 band_2_count;	/* abs.ofs: 226 */
	struct il_eeprom_channel band_2_channels[13];	/* abs.ofs: 228 */

/*
 * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
 * (5170-5320MHz)
 */
	u16 band_3_count;	/* abs.ofs: 254 */
	struct il_eeprom_channel band_3_channels[12];	/* abs.ofs: 256 */

/*
 * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
 * (5500-5700MHz)
 */
	u16 band_4_count;	/* abs.ofs: 280 */
	struct il_eeprom_channel band_4_channels[11];	/* abs.ofs: 282 */

/*
 * 5.7 GHz channels 145, 149, 153, 157, 161, 165
 * (5725-5825MHz)
 */
	u16 band_5_count;	/* abs.ofs: 304 */
	struct il_eeprom_channel band_5_channels[6];	/* abs.ofs: 306 */

	u8 reserved9[194];

/*
 * 3945 Txpower calibration data.
 */
#define IL_NUM_TX_CALIB_GROUPS 5
	struct il3945_eeprom_txpower_group groups[IL_NUM_TX_CALIB_GROUPS];
/* abs.ofs: 512 */
	struct il3945_eeprom_temperature_corr corrections;	/* abs.ofs: 832 */
	u8 reserved16[172];	/* fill out to full 1024 byte block */
} __packed;

#define IL3945_EEPROM_IMG_SIZE 1024

/* End of EEPROM */

#define PCI_CFG_REV_ID_BIT_BASIC_SKU                (0x40)	/* bit 6    */
#define PCI_CFG_REV_ID_BIT_RTP                      (0x80)	/* bit 7    */

/* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */
#define IL39_NUM_QUEUES        5
#define IL39_CMD_QUEUE_NUM	4

#define IL_DEFAULT_TX_RETRY  15

/*********************************************/

#define RFD_SIZE                              4
#define NUM_TFD_CHUNKS                        4

#define TFD_CTL_COUNT_SET(n)       (n << 24)
#define TFD_CTL_COUNT_GET(ctl)     ((ctl >> 24) & 7)
#define TFD_CTL_PAD_SET(n)         (n << 28)
#define TFD_CTL_PAD_GET(ctl)       (ctl >> 28)

/* Sizes and addresses for instruction and data memory (SRAM) in
 * 3945's embedded processor.  Driver access is via HBUS_TARG_MEM_* regs. */
#define IL39_RTC_INST_LOWER_BOUND		(0x000000)
#define IL39_RTC_INST_UPPER_BOUND		(0x014000)

#define IL39_RTC_DATA_LOWER_BOUND		(0x800000)
#define IL39_RTC_DATA_UPPER_BOUND		(0x808000)

#define IL39_RTC_INST_SIZE (IL39_RTC_INST_UPPER_BOUND - \
				IL39_RTC_INST_LOWER_BOUND)
#define IL39_RTC_DATA_SIZE (IL39_RTC_DATA_UPPER_BOUND - \
				IL39_RTC_DATA_LOWER_BOUND)

#define IL39_MAX_INST_SIZE IL39_RTC_INST_SIZE
#define IL39_MAX_DATA_SIZE IL39_RTC_DATA_SIZE

/* Size of uCode instruction memory in bootstrap state machine */
#define IL39_MAX_BSM_SIZE IL39_RTC_INST_SIZE

static inline int
il3945_hw_valid_rtc_data_addr(u32 addr)
{
	return (addr >= IL39_RTC_DATA_LOWER_BOUND &&
		addr < IL39_RTC_DATA_UPPER_BOUND);
}

/* Base physical address of il3945_shared is provided to FH39_TSSR_CBB_BASE
 * and &il3945_shared.rx_read_ptr[0] is provided to FH39_RCSR_RPTR_ADDR(0) */
struct il3945_shared {
	__le32 tx_base_ptr[8];
} __packed;

/************************************/
/* iwl3945 Flow Handler Definitions */
/************************************/

/**
 * This I/O area is directly read/writable by driver (e.g. Linux uses writel())
 * Addresses are offsets from device's PCI hardware base address.
 */
#define FH39_MEM_LOWER_BOUND                   (0x0800)
#define FH39_MEM_UPPER_BOUND                   (0x1000)

#define FH39_CBCC_TBL		(FH39_MEM_LOWER_BOUND + 0x140)
#define FH39_TFDB_TBL		(FH39_MEM_LOWER_BOUND + 0x180)
#define FH39_RCSR_TBL		(FH39_MEM_LOWER_BOUND + 0x400)
#define FH39_RSSR_TBL		(FH39_MEM_LOWER_BOUND + 0x4c0)
#define FH39_TCSR_TBL		(FH39_MEM_LOWER_BOUND + 0x500)
#define FH39_TSSR_TBL		(FH39_MEM_LOWER_BOUND + 0x680)

/* TFDB (Transmit Frame Buffer Descriptor) */
#define FH39_TFDB(_ch, buf)			(FH39_TFDB_TBL + \
						 ((_ch) * 2 + (buf)) * 0x28)
#define FH39_TFDB_CHNL_BUF_CTRL_REG(_ch)	(FH39_TFDB_TBL + 0x50 * (_ch))

/* CBCC channel is [0,2] */
#define FH39_CBCC(_ch)		(FH39_CBCC_TBL + (_ch) * 0x8)
#define FH39_CBCC_CTRL(_ch)	(FH39_CBCC(_ch) + 0x00)
#define FH39_CBCC_BASE(_ch)	(FH39_CBCC(_ch) + 0x04)

/* RCSR channel is [0,2] */
#define FH39_RCSR(_ch)			(FH39_RCSR_TBL + (_ch) * 0x40)
#define FH39_RCSR_CONFIG(_ch)		(FH39_RCSR(_ch) + 0x00)
#define FH39_RCSR_RBD_BASE(_ch)		(FH39_RCSR(_ch) + 0x04)
#define FH39_RCSR_WPTR(_ch)		(FH39_RCSR(_ch) + 0x20)
#define FH39_RCSR_RPTR_ADDR(_ch)	(FH39_RCSR(_ch) + 0x24)

#define FH39_RSCSR_CHNL0_WPTR		(FH39_RCSR_WPTR(0))

/* RSSR */
#define FH39_RSSR_CTRL			(FH39_RSSR_TBL + 0x000)
#define FH39_RSSR_STATUS		(FH39_RSSR_TBL + 0x004)

/* TCSR */
#define FH39_TCSR(_ch)			(FH39_TCSR_TBL + (_ch) * 0x20)
#define FH39_TCSR_CONFIG(_ch)		(FH39_TCSR(_ch) + 0x00)
#define FH39_TCSR_CREDIT(_ch)		(FH39_TCSR(_ch) + 0x04)
#define FH39_TCSR_BUFF_STTS(_ch)	(FH39_TCSR(_ch) + 0x08)

/* TSSR */
#define FH39_TSSR_CBB_BASE        (FH39_TSSR_TBL + 0x000)
#define FH39_TSSR_MSG_CONFIG      (FH39_TSSR_TBL + 0x008)
#define FH39_TSSR_TX_STATUS       (FH39_TSSR_TBL + 0x010)

/* DBM */

#define FH39_SRVC_CHNL                            (6)

#define FH39_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE     (20)
#define FH39_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH      (4)

#define FH39_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN    (0x08000000)

#define FH39_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE        (0x80000000)

#define FH39_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE           (0x20000000)

#define FH39_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128		(0x01000000)

#define FH39_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST		(0x00001000)

#define FH39_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH			(0x00000000)

#define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF		(0x00000000)
#define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER		(0x00000001)

#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL	(0x00000000)
#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL	(0x00000008)

#define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD		(0x00200000)

#define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT		(0x00000000)

#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE		(0x00000000)
#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE		(0x80000000)

#define FH39_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID		(0x00004000)

#define FH39_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR		(0x00000001)

#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON	(0xFF000000)
#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON	(0x00FF0000)

#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B	(0x00000400)

#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON		(0x00000100)
#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON		(0x00000080)

#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH	(0x00000020)
#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH		(0x00000005)

#define FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch)	(BIT(_ch) << 24)
#define FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch)	(BIT(_ch) << 16)

#define FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_ch) \
	(FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) | \
	 FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch))

#define FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE			(0x01000000)

struct il3945_tfd_tb {
	__le32 addr;
	__le32 len;
} __packed;

struct il3945_tfd {
	__le32 control_flags;
	struct il3945_tfd_tb tbs[4];
	u8 __pad[28];
} __packed;

#ifdef CONFIG_IWLEGACY_DEBUGFS
extern const struct il_debugfs_ops il3945_debugfs_ops;
#endif

#endif