1 /******************************************************************************
2  *
3  * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
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:
22  *  Intel Linux Wireless <ilw@linux.intel.com>
23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24  *
25  *****************************************************************************/
26 
27 #ifndef __il_3945_h__
28 #define __il_3945_h__
29 
30 #include <linux/pci.h>		/* for struct pci_device_id */
31 #include <linux/kernel.h>
32 #include <net/ieee80211_radiotap.h>
33 
34 /* Hardware specific file defines the PCI IDs table for that hardware module */
35 extern const struct pci_device_id il3945_hw_card_ids[];
36 
37 #include "common.h"
38 
39 extern const struct il_ops il3945_ops;
40 
41 /* Highest firmware API version supported */
42 #define IL3945_UCODE_API_MAX 2
43 
44 /* Lowest firmware API version supported */
45 #define IL3945_UCODE_API_MIN 1
46 
47 #define IL3945_FW_PRE	"iwlwifi-3945-"
48 #define _IL3945_MODULE_FIRMWARE(api) IL3945_FW_PRE #api ".ucode"
49 #define IL3945_MODULE_FIRMWARE(api) _IL3945_MODULE_FIRMWARE(api)
50 
51 /* Default noise level to report when noise measurement is not available.
52  *   This may be because we're:
53  *   1)  Not associated (4965, no beacon stats being sent to driver)
54  *   2)  Scanning (noise measurement does not apply to associated channel)
55  *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
56  * Use default noise value of -127 ... this is below the range of measurable
57  *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
58  *   Also, -127 works better than 0 when averaging frames with/without
59  *   noise info (e.g. averaging might be done in app); measured dBm values are
60  *   always negative ... using a negative value as the default keeps all
61  *   averages within an s8's (used in some apps) range of negative values. */
62 #define IL_NOISE_MEAS_NOT_AVAILABLE (-127)
63 
64 /* Module parameters accessible from iwl-*.c */
65 extern struct il_mod_params il3945_mod_params;
66 
67 struct il3945_rate_scale_data {
68 	u64 data;
69 	s32 success_counter;
70 	s32 success_ratio;
71 	s32 counter;
72 	s32 average_tpt;
73 	unsigned long stamp;
74 };
75 
76 struct il3945_rs_sta {
77 	spinlock_t lock;
78 	struct il_priv *il;
79 	s32 *expected_tpt;
80 	unsigned long last_partial_flush;
81 	unsigned long last_flush;
82 	u32 flush_time;
83 	u32 last_tx_packets;
84 	u32 tx_packets;
85 	u8 tgg;
86 	u8 flush_pending;
87 	u8 start_rate;
88 	struct timer_list rate_scale_flush;
89 	struct il3945_rate_scale_data win[RATE_COUNT_3945];
90 #ifdef CONFIG_MAC80211_DEBUGFS
91 	struct dentry *rs_sta_dbgfs_stats_table_file;
92 #endif
93 
94 	/* used to be in sta_info */
95 	int last_txrate_idx;
96 };
97 
98 /*
99  * The common struct MUST be first because it is shared between
100  * 3945 and 4965!
101  */
102 struct il3945_sta_priv {
103 	struct il_station_priv_common common;
104 	struct il3945_rs_sta rs_sta;
105 };
106 
107 enum il3945_antenna {
108 	IL_ANTENNA_DIVERSITY,
109 	IL_ANTENNA_MAIN,
110 	IL_ANTENNA_AUX
111 };
112 
113 /*
114  * RTS threshold here is total size [2347] minus 4 FCS bytes
115  * Per spec:
116  *   a value of 0 means RTS on all data/management packets
117  *   a value > max MSDU size means no RTS
118  * else RTS for data/management frames where MPDU is larger
119  *   than RTS value.
120  */
121 #define DEFAULT_RTS_THRESHOLD     2347U
122 #define MIN_RTS_THRESHOLD         0U
123 #define MAX_RTS_THRESHOLD         2347U
124 #define MAX_MSDU_SIZE		  2304U
125 #define MAX_MPDU_SIZE		  2346U
126 #define DEFAULT_BEACON_INTERVAL   100U
127 #define	DEFAULT_SHORT_RETRY_LIMIT 7U
128 #define	DEFAULT_LONG_RETRY_LIMIT  4U
129 
130 #define IL_TX_FIFO_AC0	0
131 #define IL_TX_FIFO_AC1	1
132 #define IL_TX_FIFO_AC2	2
133 #define IL_TX_FIFO_AC3	3
134 #define IL_TX_FIFO_HCCA_1	5
135 #define IL_TX_FIFO_HCCA_2	6
136 #define IL_TX_FIFO_NONE	7
137 
138 #define IEEE80211_DATA_LEN              2304
139 #define IEEE80211_4ADDR_LEN             30
140 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
141 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
142 
143 struct il3945_frame {
144 	union {
145 		struct ieee80211_hdr frame;
146 		struct il3945_tx_beacon_cmd beacon;
147 		u8 raw[IEEE80211_FRAME_LEN];
148 		u8 cmd[360];
149 	} u;
150 	struct list_head list;
151 };
152 
153 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
154 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
155 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
156 
157 #define IL_SUPPORTED_RATES_IE_LEN         8
158 
159 #define SCAN_INTERVAL 100
160 
161 #define MAX_TID_COUNT        9
162 
163 #define IL_INVALID_RATE     0xFF
164 #define IL_INVALID_VALUE    -1
165 
166 #define STA_PS_STATUS_WAKE             0
167 #define STA_PS_STATUS_SLEEP            1
168 
169 struct il3945_ibss_seq {
170 	u8 mac[ETH_ALEN];
171 	u16 seq_num;
172 	u16 frag_num;
173 	unsigned long packet_time;
174 	struct list_head list;
175 };
176 
177 #define IL_RX_HDR(x) ((struct il3945_rx_frame_hdr *)(\
178 		       x->u.rx_frame.stats.payload + \
179 		       x->u.rx_frame.stats.phy_count))
180 #define IL_RX_END(x) ((struct il3945_rx_frame_end *)(\
181 		       IL_RX_HDR(x)->payload + \
182 		       le16_to_cpu(IL_RX_HDR(x)->len)))
183 #define IL_RX_STATS(x) (&x->u.rx_frame.stats)
184 #define IL_RX_DATA(x) (IL_RX_HDR(x)->payload)
185 
186 /******************************************************************************
187  *
188  * Functions implemented in iwl3945-base.c which are forward declared here
189  * for use by iwl-*.c
190  *
191  *****************************************************************************/
192 int il3945_calc_db_from_ratio(int sig_ratio);
193 void il3945_rx_replenish(void *data);
194 void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq);
195 unsigned int il3945_fill_beacon_frame(struct il_priv *il,
196 				      struct ieee80211_hdr *hdr, int left);
197 int il3945_dump_nic_event_log(struct il_priv *il, bool full_log, char **buf,
198 			      bool display);
199 void il3945_dump_nic_error_log(struct il_priv *il);
200 
201 /******************************************************************************
202  *
203  * Functions implemented in iwl-[34]*.c which are forward declared here
204  * for use by iwl3945-base.c
205  *
206  * NOTE:  The implementation of these functions are hardware specific
207  * which is why they are in the hardware specific files (vs. iwl-base.c)
208  *
209  * Naming convention --
210  * il3945_         <-- Its part of iwlwifi (should be changed to il3945_)
211  * il3945_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
212  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
213  * il3945_bg_      <-- Called from work queue context
214  * il3945_mac_     <-- mac80211 callback
215  *
216  ****************************************************************************/
217 void il3945_hw_handler_setup(struct il_priv *il);
218 void il3945_hw_setup_deferred_work(struct il_priv *il);
219 void il3945_hw_cancel_deferred_work(struct il_priv *il);
220 int il3945_hw_rxq_stop(struct il_priv *il);
221 int il3945_hw_set_hw_params(struct il_priv *il);
222 int il3945_hw_nic_init(struct il_priv *il);
223 int il3945_hw_nic_stop_master(struct il_priv *il);
224 void il3945_hw_txq_ctx_free(struct il_priv *il);
225 void il3945_hw_txq_ctx_stop(struct il_priv *il);
226 int il3945_hw_nic_reset(struct il_priv *il);
227 int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq,
228 				    dma_addr_t addr, u16 len, u8 reset, u8 pad);
229 void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq);
230 int il3945_hw_get_temperature(struct il_priv *il);
231 int il3945_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
232 unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il,
233 				      struct il3945_frame *frame, u8 rate);
234 void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
235 				 struct ieee80211_tx_info *info,
236 				 struct ieee80211_hdr *hdr, int sta_id);
237 int il3945_hw_reg_send_txpower(struct il_priv *il);
238 int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power);
239 void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb);
240 void il3945_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb);
241 void il3945_disable_events(struct il_priv *il);
242 int il4965_get_temperature(const struct il_priv *il);
243 void il3945_post_associate(struct il_priv *il);
244 void il3945_config_ap(struct il_priv *il);
245 
246 int il3945_commit_rxon(struct il_priv *il);
247 
248 /**
249  * il3945_hw_find_station - Find station id for a given BSSID
250  * @bssid: MAC address of station ID to find
251  *
252  * NOTE:  This should not be hardware specific but the code has
253  * not yet been merged into a single common layer for managing the
254  * station tables.
255  */
256 u8 il3945_hw_find_station(struct il_priv *il, const u8 *bssid);
257 
258 __le32 il3945_get_antenna_flags(const struct il_priv *il);
259 int il3945_init_hw_rate_table(struct il_priv *il);
260 void il3945_reg_txpower_periodic(struct il_priv *il);
261 int il3945_txpower_set_from_eeprom(struct il_priv *il);
262 
263 int il3945_rs_next_rate(struct il_priv *il, int rate);
264 
265 /* scanning */
266 int il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif);
267 void il3945_post_scan(struct il_priv *il);
268 
269 /* rates */
270 extern const struct il3945_rate_info il3945_rates[RATE_COUNT_3945];
271 
272 /* RSSI to dBm */
273 #define IL39_RSSI_OFFSET	95
274 
275 /*
276  * EEPROM related constants, enums, and structures.
277  */
278 #define EEPROM_SKU_CAP_OP_MODE_MRC                      (1 << 7)
279 
280 /*
281  * Mapping of a Tx power level, at factory calibration temperature,
282  *   to a radio/DSP gain table idx.
283  * One for each of 5 "sample" power levels in each band.
284  * v_det is measured at the factory, using the 3945's built-in power amplifier
285  *   (PA) output voltage detector.  This same detector is used during Tx of
286  *   long packets in normal operation to provide feedback as to proper output
287  *   level.
288  * Data copied from EEPROM.
289  * DO NOT ALTER THIS STRUCTURE!!!
290  */
291 struct il3945_eeprom_txpower_sample {
292 	u8 gain_idx;		/* idx into power (gain) setup table ... */
293 	s8 power;		/* ... for this pwr level for this chnl group */
294 	u16 v_det;		/* PA output voltage */
295 } __packed;
296 
297 /*
298  * Mappings of Tx power levels -> nominal radio/DSP gain table idxes.
299  * One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
300  * Tx power setup code interpolates between the 5 "sample" power levels
301  *    to determine the nominal setup for a requested power level.
302  * Data copied from EEPROM.
303  * DO NOT ALTER THIS STRUCTURE!!!
304  */
305 struct il3945_eeprom_txpower_group {
306 	struct il3945_eeprom_txpower_sample samples[5];	/* 5 power levels */
307 	s32 a, b, c, d, e;	/* coefficients for voltage->power
308 				 * formula (signed) */
309 	s32 Fa, Fb, Fc, Fd, Fe;	/* these modify coeffs based on
310 				 * frequency (signed) */
311 	s8 saturation_power;	/* highest power possible by h/w in this
312 				 * band */
313 	u8 group_channel;	/* "representative" channel # in this band */
314 	s16 temperature;	/* h/w temperature at factory calib this band
315 				 * (signed) */
316 } __packed;
317 
318 /*
319  * Temperature-based Tx-power compensation data, not band-specific.
320  * These coefficients are use to modify a/b/c/d/e coeffs based on
321  *   difference between current temperature and factory calib temperature.
322  * Data copied from EEPROM.
323  */
324 struct il3945_eeprom_temperature_corr {
325 	u32 Ta;
326 	u32 Tb;
327 	u32 Tc;
328 	u32 Td;
329 	u32 Te;
330 } __packed;
331 
332 /*
333  * EEPROM map
334  */
335 struct il3945_eeprom {
336 	u8 reserved0[16];
337 	u16 device_id;		/* abs.ofs: 16 */
338 	u8 reserved1[2];
339 	u16 pmc;		/* abs.ofs: 20 */
340 	u8 reserved2[20];
341 	u8 mac_address[6];	/* abs.ofs: 42 */
342 	u8 reserved3[58];
343 	u16 board_revision;	/* abs.ofs: 106 */
344 	u8 reserved4[11];
345 	u8 board_pba_number[9];	/* abs.ofs: 119 */
346 	u8 reserved5[8];
347 	u16 version;		/* abs.ofs: 136 */
348 	u8 sku_cap;		/* abs.ofs: 138 */
349 	u8 leds_mode;		/* abs.ofs: 139 */
350 	u16 oem_mode;
351 	u16 wowlan_mode;	/* abs.ofs: 142 */
352 	u16 leds_time_interval;	/* abs.ofs: 144 */
353 	u8 leds_off_time;	/* abs.ofs: 146 */
354 	u8 leds_on_time;	/* abs.ofs: 147 */
355 	u8 almgor_m_version;	/* abs.ofs: 148 */
356 	u8 antenna_switch_type;	/* abs.ofs: 149 */
357 	u8 reserved6[42];
358 	u8 sku_id[4];		/* abs.ofs: 192 */
359 
360 /*
361  * Per-channel regulatory data.
362  *
363  * Each channel that *might* be supported by 3945 has a fixed location
364  * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
365  * txpower (MSB).
366  *
367  * Entries immediately below are for 20 MHz channel width.
368  *
369  * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
370  */
371 	u16 band_1_count;	/* abs.ofs: 196 */
372 	struct il_eeprom_channel band_1_channels[14];	/* abs.ofs: 198 */
373 
374 /*
375  * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
376  * 5.0 GHz channels 7, 8, 11, 12, 16
377  * (4915-5080MHz) (none of these is ever supported)
378  */
379 	u16 band_2_count;	/* abs.ofs: 226 */
380 	struct il_eeprom_channel band_2_channels[13];	/* abs.ofs: 228 */
381 
382 /*
383  * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
384  * (5170-5320MHz)
385  */
386 	u16 band_3_count;	/* abs.ofs: 254 */
387 	struct il_eeprom_channel band_3_channels[12];	/* abs.ofs: 256 */
388 
389 /*
390  * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
391  * (5500-5700MHz)
392  */
393 	u16 band_4_count;	/* abs.ofs: 280 */
394 	struct il_eeprom_channel band_4_channels[11];	/* abs.ofs: 282 */
395 
396 /*
397  * 5.7 GHz channels 145, 149, 153, 157, 161, 165
398  * (5725-5825MHz)
399  */
400 	u16 band_5_count;	/* abs.ofs: 304 */
401 	struct il_eeprom_channel band_5_channels[6];	/* abs.ofs: 306 */
402 
403 	u8 reserved9[194];
404 
405 /*
406  * 3945 Txpower calibration data.
407  */
408 #define IL_NUM_TX_CALIB_GROUPS 5
409 	struct il3945_eeprom_txpower_group groups[IL_NUM_TX_CALIB_GROUPS];
410 /* abs.ofs: 512 */
411 	struct il3945_eeprom_temperature_corr corrections;	/* abs.ofs: 832 */
412 	u8 reserved16[172];	/* fill out to full 1024 byte block */
413 } __packed;
414 
415 #define IL3945_EEPROM_IMG_SIZE 1024
416 
417 /* End of EEPROM */
418 
419 #define PCI_CFG_REV_ID_BIT_BASIC_SKU                (0x40)	/* bit 6    */
420 #define PCI_CFG_REV_ID_BIT_RTP                      (0x80)	/* bit 7    */
421 
422 /* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */
423 #define IL39_NUM_QUEUES        5
424 #define IL39_CMD_QUEUE_NUM	4
425 
426 #define IL_DEFAULT_TX_RETRY  15
427 
428 /*********************************************/
429 
430 #define RFD_SIZE                              4
431 #define NUM_TFD_CHUNKS                        4
432 
433 #define TFD_CTL_COUNT_SET(n)       (n << 24)
434 #define TFD_CTL_COUNT_GET(ctl)     ((ctl >> 24) & 7)
435 #define TFD_CTL_PAD_SET(n)         (n << 28)
436 #define TFD_CTL_PAD_GET(ctl)       (ctl >> 28)
437 
438 /* Sizes and addresses for instruction and data memory (SRAM) in
439  * 3945's embedded processor.  Driver access is via HBUS_TARG_MEM_* regs. */
440 #define IL39_RTC_INST_LOWER_BOUND		(0x000000)
441 #define IL39_RTC_INST_UPPER_BOUND		(0x014000)
442 
443 #define IL39_RTC_DATA_LOWER_BOUND		(0x800000)
444 #define IL39_RTC_DATA_UPPER_BOUND		(0x808000)
445 
446 #define IL39_RTC_INST_SIZE (IL39_RTC_INST_UPPER_BOUND - \
447 				IL39_RTC_INST_LOWER_BOUND)
448 #define IL39_RTC_DATA_SIZE (IL39_RTC_DATA_UPPER_BOUND - \
449 				IL39_RTC_DATA_LOWER_BOUND)
450 
451 #define IL39_MAX_INST_SIZE IL39_RTC_INST_SIZE
452 #define IL39_MAX_DATA_SIZE IL39_RTC_DATA_SIZE
453 
454 /* Size of uCode instruction memory in bootstrap state machine */
455 #define IL39_MAX_BSM_SIZE IL39_RTC_INST_SIZE
456 
457 static inline int
458 il3945_hw_valid_rtc_data_addr(u32 addr)
459 {
460 	return (addr >= IL39_RTC_DATA_LOWER_BOUND &&
461 		addr < IL39_RTC_DATA_UPPER_BOUND);
462 }
463 
464 /* Base physical address of il3945_shared is provided to FH39_TSSR_CBB_BASE
465  * and &il3945_shared.rx_read_ptr[0] is provided to FH39_RCSR_RPTR_ADDR(0) */
466 struct il3945_shared {
467 	__le32 tx_base_ptr[8];
468 } __packed;
469 
470 /************************************/
471 /* iwl3945 Flow Handler Definitions */
472 /************************************/
473 
474 /**
475  * This I/O area is directly read/writable by driver (e.g. Linux uses writel())
476  * Addresses are offsets from device's PCI hardware base address.
477  */
478 #define FH39_MEM_LOWER_BOUND                   (0x0800)
479 #define FH39_MEM_UPPER_BOUND                   (0x1000)
480 
481 #define FH39_CBCC_TBL		(FH39_MEM_LOWER_BOUND + 0x140)
482 #define FH39_TFDB_TBL		(FH39_MEM_LOWER_BOUND + 0x180)
483 #define FH39_RCSR_TBL		(FH39_MEM_LOWER_BOUND + 0x400)
484 #define FH39_RSSR_TBL		(FH39_MEM_LOWER_BOUND + 0x4c0)
485 #define FH39_TCSR_TBL		(FH39_MEM_LOWER_BOUND + 0x500)
486 #define FH39_TSSR_TBL		(FH39_MEM_LOWER_BOUND + 0x680)
487 
488 /* TFDB (Transmit Frame Buffer Descriptor) */
489 #define FH39_TFDB(_ch, buf)			(FH39_TFDB_TBL + \
490 						 ((_ch) * 2 + (buf)) * 0x28)
491 #define FH39_TFDB_CHNL_BUF_CTRL_REG(_ch)	(FH39_TFDB_TBL + 0x50 * (_ch))
492 
493 /* CBCC channel is [0,2] */
494 #define FH39_CBCC(_ch)		(FH39_CBCC_TBL + (_ch) * 0x8)
495 #define FH39_CBCC_CTRL(_ch)	(FH39_CBCC(_ch) + 0x00)
496 #define FH39_CBCC_BASE(_ch)	(FH39_CBCC(_ch) + 0x04)
497 
498 /* RCSR channel is [0,2] */
499 #define FH39_RCSR(_ch)			(FH39_RCSR_TBL + (_ch) * 0x40)
500 #define FH39_RCSR_CONFIG(_ch)		(FH39_RCSR(_ch) + 0x00)
501 #define FH39_RCSR_RBD_BASE(_ch)		(FH39_RCSR(_ch) + 0x04)
502 #define FH39_RCSR_WPTR(_ch)		(FH39_RCSR(_ch) + 0x20)
503 #define FH39_RCSR_RPTR_ADDR(_ch)	(FH39_RCSR(_ch) + 0x24)
504 
505 #define FH39_RSCSR_CHNL0_WPTR		(FH39_RCSR_WPTR(0))
506 
507 /* RSSR */
508 #define FH39_RSSR_CTRL			(FH39_RSSR_TBL + 0x000)
509 #define FH39_RSSR_STATUS		(FH39_RSSR_TBL + 0x004)
510 
511 /* TCSR */
512 #define FH39_TCSR(_ch)			(FH39_TCSR_TBL + (_ch) * 0x20)
513 #define FH39_TCSR_CONFIG(_ch)		(FH39_TCSR(_ch) + 0x00)
514 #define FH39_TCSR_CREDIT(_ch)		(FH39_TCSR(_ch) + 0x04)
515 #define FH39_TCSR_BUFF_STTS(_ch)	(FH39_TCSR(_ch) + 0x08)
516 
517 /* TSSR */
518 #define FH39_TSSR_CBB_BASE        (FH39_TSSR_TBL + 0x000)
519 #define FH39_TSSR_MSG_CONFIG      (FH39_TSSR_TBL + 0x008)
520 #define FH39_TSSR_TX_STATUS       (FH39_TSSR_TBL + 0x010)
521 
522 /* DBM */
523 
524 #define FH39_SRVC_CHNL                            (6)
525 
526 #define FH39_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE     (20)
527 #define FH39_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH      (4)
528 
529 #define FH39_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN    (0x08000000)
530 
531 #define FH39_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE        (0x80000000)
532 
533 #define FH39_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE           (0x20000000)
534 
535 #define FH39_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128		(0x01000000)
536 
537 #define FH39_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST		(0x00001000)
538 
539 #define FH39_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH			(0x00000000)
540 
541 #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF		(0x00000000)
542 #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER		(0x00000001)
543 
544 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL	(0x00000000)
545 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL	(0x00000008)
546 
547 #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD		(0x00200000)
548 
549 #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT		(0x00000000)
550 
551 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE		(0x00000000)
552 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE		(0x80000000)
553 
554 #define FH39_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID		(0x00004000)
555 
556 #define FH39_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR		(0x00000001)
557 
558 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON	(0xFF000000)
559 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON	(0x00FF0000)
560 
561 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B	(0x00000400)
562 
563 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON		(0x00000100)
564 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON		(0x00000080)
565 
566 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH	(0x00000020)
567 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH		(0x00000005)
568 
569 #define FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch)	(BIT(_ch) << 24)
570 #define FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch)	(BIT(_ch) << 16)
571 
572 #define FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_ch) \
573 	(FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) | \
574 	 FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch))
575 
576 #define FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE			(0x01000000)
577 
578 struct il3945_tfd_tb {
579 	__le32 addr;
580 	__le32 len;
581 } __packed;
582 
583 struct il3945_tfd {
584 	__le32 control_flags;
585 	struct il3945_tfd_tb tbs[4];
586 	u8 __pad[28];
587 } __packed;
588 
589 #ifdef CONFIG_IWLEGACY_DEBUGFS
590 extern const struct il_debugfs_ops il3945_debugfs_ops;
591 #endif
592 
593 #endif
594