xref: /openbmc/linux/drivers/net/wireless/intel/iwlegacy/3945.h (revision 0898782247ae533d1f4e47a06bc5d4870931b284)
1  /* SPDX-License-Identifier: GPL-2.0-only */
2  /******************************************************************************
3   *
4   * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
5   *
6   * Contact Information:
7   *  Intel Linux Wireless <ilw@linux.intel.com>
8   * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
9   *
10   *****************************************************************************/
11  
12  #ifndef __il_3945_h__
13  #define __il_3945_h__
14  
15  #include <linux/pci.h>		/* for struct pci_device_id */
16  #include <linux/kernel.h>
17  #include <net/ieee80211_radiotap.h>
18  
19  /* Hardware specific file defines the PCI IDs table for that hardware module */
20  extern const struct pci_device_id il3945_hw_card_ids[];
21  
22  #include "common.h"
23  
24  extern const struct il_ops il3945_ops;
25  
26  /* Highest firmware API version supported */
27  #define IL3945_UCODE_API_MAX 2
28  
29  /* Lowest firmware API version supported */
30  #define IL3945_UCODE_API_MIN 1
31  
32  #define IL3945_FW_PRE	"iwlwifi-3945-"
33  #define _IL3945_MODULE_FIRMWARE(api) IL3945_FW_PRE #api ".ucode"
34  #define IL3945_MODULE_FIRMWARE(api) _IL3945_MODULE_FIRMWARE(api)
35  
36  /* Default noise level to report when noise measurement is not available.
37   *   This may be because we're:
38   *   1)  Not associated (4965, no beacon stats being sent to driver)
39   *   2)  Scanning (noise measurement does not apply to associated channel)
40   *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
41   * Use default noise value of -127 ... this is below the range of measurable
42   *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
43   *   Also, -127 works better than 0 when averaging frames with/without
44   *   noise info (e.g. averaging might be done in app); measured dBm values are
45   *   always negative ... using a negative value as the default keeps all
46   *   averages within an s8's (used in some apps) range of negative values. */
47  #define IL_NOISE_MEAS_NOT_AVAILABLE (-127)
48  
49  /* Module parameters accessible from iwl-*.c */
50  extern struct il_mod_params il3945_mod_params;
51  
52  struct il3945_rate_scale_data {
53  	u64 data;
54  	s32 success_counter;
55  	s32 success_ratio;
56  	s32 counter;
57  	s32 average_tpt;
58  	unsigned long stamp;
59  };
60  
61  struct il3945_rs_sta {
62  	spinlock_t lock;
63  	struct il_priv *il;
64  	s32 *expected_tpt;
65  	unsigned long last_partial_flush;
66  	unsigned long last_flush;
67  	u32 flush_time;
68  	u32 last_tx_packets;
69  	u32 tx_packets;
70  	u8 tgg;
71  	u8 flush_pending;
72  	u8 start_rate;
73  	struct timer_list rate_scale_flush;
74  	struct il3945_rate_scale_data win[RATE_COUNT_3945];
75  
76  	/* used to be in sta_info */
77  	int last_txrate_idx;
78  };
79  
80  /*
81   * The common struct MUST be first because it is shared between
82   * 3945 and 4965!
83   */
84  struct il3945_sta_priv {
85  	struct il_station_priv_common common;
86  	struct il3945_rs_sta rs_sta;
87  };
88  
89  enum il3945_antenna {
90  	IL_ANTENNA_DIVERSITY,
91  	IL_ANTENNA_MAIN,
92  	IL_ANTENNA_AUX
93  };
94  
95  /*
96   * RTS threshold here is total size [2347] minus 4 FCS bytes
97   * Per spec:
98   *   a value of 0 means RTS on all data/management packets
99   *   a value > max MSDU size means no RTS
100   * else RTS for data/management frames where MPDU is larger
101   *   than RTS value.
102   */
103  #define DEFAULT_RTS_THRESHOLD     2347U
104  #define MIN_RTS_THRESHOLD         0U
105  #define MAX_RTS_THRESHOLD         2347U
106  #define MAX_MSDU_SIZE		  2304U
107  #define MAX_MPDU_SIZE		  2346U
108  #define DEFAULT_BEACON_INTERVAL   100U
109  #define	DEFAULT_SHORT_RETRY_LIMIT 7U
110  #define	DEFAULT_LONG_RETRY_LIMIT  4U
111  
112  #define IL_TX_FIFO_AC0	0
113  #define IL_TX_FIFO_AC1	1
114  #define IL_TX_FIFO_AC2	2
115  #define IL_TX_FIFO_AC3	3
116  #define IL_TX_FIFO_HCCA_1	5
117  #define IL_TX_FIFO_HCCA_2	6
118  #define IL_TX_FIFO_NONE	7
119  
120  #define IEEE80211_DATA_LEN              2304
121  #define IEEE80211_4ADDR_LEN             30
122  #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
123  #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
124  
125  struct il3945_frame {
126  	union {
127  		struct ieee80211_hdr frame;
128  		struct il3945_tx_beacon_cmd beacon;
129  		u8 raw[IEEE80211_FRAME_LEN];
130  		u8 cmd[360];
131  	} u;
132  	struct list_head list;
133  };
134  
135  #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
136  #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
137  #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
138  
139  #define IL_SUPPORTED_RATES_IE_LEN         8
140  
141  #define SCAN_INTERVAL 100
142  
143  #define MAX_TID_COUNT        9
144  
145  #define IL_INVALID_RATE     0xFF
146  #define IL_INVALID_VALUE    -1
147  
148  #define STA_PS_STATUS_WAKE             0
149  #define STA_PS_STATUS_SLEEP            1
150  
151  struct il3945_ibss_seq {
152  	u8 mac[ETH_ALEN];
153  	u16 seq_num;
154  	u16 frag_num;
155  	unsigned long packet_time;
156  	struct list_head list;
157  };
158  
159  #define IL_RX_HDR(x) ((struct il3945_rx_frame_hdr *)(\
160  		       x->u.rx_frame.stats.payload + \
161  		       x->u.rx_frame.stats.phy_count))
162  #define IL_RX_END(x) ((struct il3945_rx_frame_end *)(\
163  		       IL_RX_HDR(x)->payload + \
164  		       le16_to_cpu(IL_RX_HDR(x)->len)))
165  #define IL_RX_STATS(x) (&x->u.rx_frame.stats)
166  #define IL_RX_DATA(x) (IL_RX_HDR(x)->payload)
167  
168  /******************************************************************************
169   *
170   * Functions implemented in iwl3945-base.c which are forward declared here
171   * for use by iwl-*.c
172   *
173   *****************************************************************************/
174  int il3945_calc_db_from_ratio(int sig_ratio);
175  void il3945_rx_replenish(void *data);
176  void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq);
177  unsigned int il3945_fill_beacon_frame(struct il_priv *il,
178  				      struct ieee80211_hdr *hdr, int left);
179  int il3945_dump_nic_event_log(struct il_priv *il, bool full_log, char **buf,
180  			      bool display);
181  void il3945_dump_nic_error_log(struct il_priv *il);
182  
183  /******************************************************************************
184   *
185   * Functions implemented in iwl-[34]*.c which are forward declared here
186   * for use by iwl3945-base.c
187   *
188   * NOTE:  The implementation of these functions are hardware specific
189   * which is why they are in the hardware specific files (vs. iwl-base.c)
190   *
191   * Naming convention --
192   * il3945_         <-- Its part of iwlwifi (should be changed to il3945_)
193   * il3945_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
194   * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
195   * il3945_bg_      <-- Called from work queue context
196   * il3945_mac_     <-- mac80211 callback
197   *
198   ****************************************************************************/
199  void il3945_hw_handler_setup(struct il_priv *il);
200  void il3945_hw_setup_deferred_work(struct il_priv *il);
201  void il3945_hw_cancel_deferred_work(struct il_priv *il);
202  int il3945_hw_rxq_stop(struct il_priv *il);
203  int il3945_hw_set_hw_params(struct il_priv *il);
204  int il3945_hw_nic_init(struct il_priv *il);
205  int il3945_hw_nic_stop_master(struct il_priv *il);
206  void il3945_hw_txq_ctx_free(struct il_priv *il);
207  void il3945_hw_txq_ctx_stop(struct il_priv *il);
208  int il3945_hw_nic_reset(struct il_priv *il);
209  int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq,
210  				    dma_addr_t addr, u16 len, u8 reset, u8 pad);
211  void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq);
212  int il3945_hw_get_temperature(struct il_priv *il);
213  int il3945_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
214  unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il,
215  				      struct il3945_frame *frame, u8 rate);
216  void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
217  				 struct ieee80211_tx_info *info,
218  				 struct ieee80211_hdr *hdr, int sta_id);
219  int il3945_hw_reg_send_txpower(struct il_priv *il);
220  int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power);
221  void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb);
222  void il3945_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb);
223  void il3945_disable_events(struct il_priv *il);
224  int il4965_get_temperature(const struct il_priv *il);
225  void il3945_post_associate(struct il_priv *il);
226  void il3945_config_ap(struct il_priv *il);
227  
228  int il3945_commit_rxon(struct il_priv *il);
229  
230  /**
231   * il3945_hw_find_station - Find station id for a given BSSID
232   * @bssid: MAC address of station ID to find
233   *
234   * NOTE:  This should not be hardware specific but the code has
235   * not yet been merged into a single common layer for managing the
236   * station tables.
237   */
238  u8 il3945_hw_find_station(struct il_priv *il, const u8 *bssid);
239  
240  __le32 il3945_get_antenna_flags(const struct il_priv *il);
241  int il3945_init_hw_rate_table(struct il_priv *il);
242  void il3945_reg_txpower_periodic(struct il_priv *il);
243  int il3945_txpower_set_from_eeprom(struct il_priv *il);
244  
245  int il3945_rs_next_rate(struct il_priv *il, int rate);
246  
247  /* scanning */
248  int il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif);
249  void il3945_post_scan(struct il_priv *il);
250  
251  /* rates */
252  extern const struct il3945_rate_info il3945_rates[RATE_COUNT_3945];
253  
254  /* RSSI to dBm */
255  #define IL39_RSSI_OFFSET	95
256  
257  /*
258   * EEPROM related constants, enums, and structures.
259   */
260  #define EEPROM_SKU_CAP_OP_MODE_MRC                      (1 << 7)
261  
262  /*
263   * Mapping of a Tx power level, at factory calibration temperature,
264   *   to a radio/DSP gain table idx.
265   * One for each of 5 "sample" power levels in each band.
266   * v_det is measured at the factory, using the 3945's built-in power amplifier
267   *   (PA) output voltage detector.  This same detector is used during Tx of
268   *   long packets in normal operation to provide feedback as to proper output
269   *   level.
270   * Data copied from EEPROM.
271   * DO NOT ALTER THIS STRUCTURE!!!
272   */
273  struct il3945_eeprom_txpower_sample {
274  	u8 gain_idx;		/* idx into power (gain) setup table ... */
275  	s8 power;		/* ... for this pwr level for this chnl group */
276  	u16 v_det;		/* PA output voltage */
277  } __packed;
278  
279  /*
280   * Mappings of Tx power levels -> nominal radio/DSP gain table idxes.
281   * One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
282   * Tx power setup code interpolates between the 5 "sample" power levels
283   *    to determine the nominal setup for a requested power level.
284   * Data copied from EEPROM.
285   * DO NOT ALTER THIS STRUCTURE!!!
286   */
287  struct il3945_eeprom_txpower_group {
288  	struct il3945_eeprom_txpower_sample samples[5];	/* 5 power levels */
289  	s32 a, b, c, d, e;	/* coefficients for voltage->power
290  				 * formula (signed) */
291  	s32 Fa, Fb, Fc, Fd, Fe;	/* these modify coeffs based on
292  				 * frequency (signed) */
293  	s8 saturation_power;	/* highest power possible by h/w in this
294  				 * band */
295  	u8 group_channel;	/* "representative" channel # in this band */
296  	s16 temperature;	/* h/w temperature at factory calib this band
297  				 * (signed) */
298  } __packed;
299  
300  /*
301   * Temperature-based Tx-power compensation data, not band-specific.
302   * These coefficients are use to modify a/b/c/d/e coeffs based on
303   *   difference between current temperature and factory calib temperature.
304   * Data copied from EEPROM.
305   */
306  struct il3945_eeprom_temperature_corr {
307  	u32 Ta;
308  	u32 Tb;
309  	u32 Tc;
310  	u32 Td;
311  	u32 Te;
312  } __packed;
313  
314  /*
315   * EEPROM map
316   */
317  struct il3945_eeprom {
318  	u8 reserved0[16];
319  	u16 device_id;		/* abs.ofs: 16 */
320  	u8 reserved1[2];
321  	u16 pmc;		/* abs.ofs: 20 */
322  	u8 reserved2[20];
323  	u8 mac_address[6];	/* abs.ofs: 42 */
324  	u8 reserved3[58];
325  	u16 board_revision;	/* abs.ofs: 106 */
326  	u8 reserved4[11];
327  	u8 board_pba_number[9];	/* abs.ofs: 119 */
328  	u8 reserved5[8];
329  	u16 version;		/* abs.ofs: 136 */
330  	u8 sku_cap;		/* abs.ofs: 138 */
331  	u8 leds_mode;		/* abs.ofs: 139 */
332  	u16 oem_mode;
333  	u16 wowlan_mode;	/* abs.ofs: 142 */
334  	u16 leds_time_interval;	/* abs.ofs: 144 */
335  	u8 leds_off_time;	/* abs.ofs: 146 */
336  	u8 leds_on_time;	/* abs.ofs: 147 */
337  	u8 almgor_m_version;	/* abs.ofs: 148 */
338  	u8 antenna_switch_type;	/* abs.ofs: 149 */
339  	u8 reserved6[42];
340  	u8 sku_id[4];		/* abs.ofs: 192 */
341  
342  /*
343   * Per-channel regulatory data.
344   *
345   * Each channel that *might* be supported by 3945 has a fixed location
346   * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
347   * txpower (MSB).
348   *
349   * Entries immediately below are for 20 MHz channel width.
350   *
351   * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
352   */
353  	u16 band_1_count;	/* abs.ofs: 196 */
354  	struct il_eeprom_channel band_1_channels[14];	/* abs.ofs: 198 */
355  
356  /*
357   * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
358   * 5.0 GHz channels 7, 8, 11, 12, 16
359   * (4915-5080MHz) (none of these is ever supported)
360   */
361  	u16 band_2_count;	/* abs.ofs: 226 */
362  	struct il_eeprom_channel band_2_channels[13];	/* abs.ofs: 228 */
363  
364  /*
365   * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
366   * (5170-5320MHz)
367   */
368  	u16 band_3_count;	/* abs.ofs: 254 */
369  	struct il_eeprom_channel band_3_channels[12];	/* abs.ofs: 256 */
370  
371  /*
372   * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
373   * (5500-5700MHz)
374   */
375  	u16 band_4_count;	/* abs.ofs: 280 */
376  	struct il_eeprom_channel band_4_channels[11];	/* abs.ofs: 282 */
377  
378  /*
379   * 5.7 GHz channels 145, 149, 153, 157, 161, 165
380   * (5725-5825MHz)
381   */
382  	u16 band_5_count;	/* abs.ofs: 304 */
383  	struct il_eeprom_channel band_5_channels[6];	/* abs.ofs: 306 */
384  
385  	u8 reserved9[194];
386  
387  /*
388   * 3945 Txpower calibration data.
389   */
390  #define IL_NUM_TX_CALIB_GROUPS 5
391  	struct il3945_eeprom_txpower_group groups[IL_NUM_TX_CALIB_GROUPS];
392  /* abs.ofs: 512 */
393  	struct il3945_eeprom_temperature_corr corrections;	/* abs.ofs: 832 */
394  	u8 reserved16[172];	/* fill out to full 1024 byte block */
395  } __packed;
396  
397  #define IL3945_EEPROM_IMG_SIZE 1024
398  
399  /* End of EEPROM */
400  
401  #define PCI_CFG_REV_ID_BIT_BASIC_SKU                (0x40)	/* bit 6    */
402  #define PCI_CFG_REV_ID_BIT_RTP                      (0x80)	/* bit 7    */
403  
404  /* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */
405  #define IL39_NUM_QUEUES        5
406  #define IL39_CMD_QUEUE_NUM	4
407  
408  #define IL_DEFAULT_TX_RETRY  15
409  
410  /*********************************************/
411  
412  #define RFD_SIZE                              4
413  #define NUM_TFD_CHUNKS                        4
414  
415  #define TFD_CTL_COUNT_SET(n)       (n << 24)
416  #define TFD_CTL_COUNT_GET(ctl)     ((ctl >> 24) & 7)
417  #define TFD_CTL_PAD_SET(n)         (n << 28)
418  #define TFD_CTL_PAD_GET(ctl)       (ctl >> 28)
419  
420  /* Sizes and addresses for instruction and data memory (SRAM) in
421   * 3945's embedded processor.  Driver access is via HBUS_TARG_MEM_* regs. */
422  #define IL39_RTC_INST_LOWER_BOUND		(0x000000)
423  #define IL39_RTC_INST_UPPER_BOUND		(0x014000)
424  
425  #define IL39_RTC_DATA_LOWER_BOUND		(0x800000)
426  #define IL39_RTC_DATA_UPPER_BOUND		(0x808000)
427  
428  #define IL39_RTC_INST_SIZE (IL39_RTC_INST_UPPER_BOUND - \
429  				IL39_RTC_INST_LOWER_BOUND)
430  #define IL39_RTC_DATA_SIZE (IL39_RTC_DATA_UPPER_BOUND - \
431  				IL39_RTC_DATA_LOWER_BOUND)
432  
433  #define IL39_MAX_INST_SIZE IL39_RTC_INST_SIZE
434  #define IL39_MAX_DATA_SIZE IL39_RTC_DATA_SIZE
435  
436  /* Size of uCode instruction memory in bootstrap state machine */
437  #define IL39_MAX_BSM_SIZE IL39_RTC_INST_SIZE
438  
439  static inline int
il3945_hw_valid_rtc_data_addr(u32 addr)440  il3945_hw_valid_rtc_data_addr(u32 addr)
441  {
442  	return (addr >= IL39_RTC_DATA_LOWER_BOUND &&
443  		addr < IL39_RTC_DATA_UPPER_BOUND);
444  }
445  
446  /* Base physical address of il3945_shared is provided to FH39_TSSR_CBB_BASE
447   * and &il3945_shared.rx_read_ptr[0] is provided to FH39_RCSR_RPTR_ADDR(0) */
448  struct il3945_shared {
449  	__le32 tx_base_ptr[8];
450  } __packed;
451  
452  /************************************/
453  /* iwl3945 Flow Handler Definitions */
454  /************************************/
455  
456  /**
457   * This I/O area is directly read/writable by driver (e.g. Linux uses writel())
458   * Addresses are offsets from device's PCI hardware base address.
459   */
460  #define FH39_MEM_LOWER_BOUND                   (0x0800)
461  #define FH39_MEM_UPPER_BOUND                   (0x1000)
462  
463  #define FH39_CBCC_TBL		(FH39_MEM_LOWER_BOUND + 0x140)
464  #define FH39_TFDB_TBL		(FH39_MEM_LOWER_BOUND + 0x180)
465  #define FH39_RCSR_TBL		(FH39_MEM_LOWER_BOUND + 0x400)
466  #define FH39_RSSR_TBL		(FH39_MEM_LOWER_BOUND + 0x4c0)
467  #define FH39_TCSR_TBL		(FH39_MEM_LOWER_BOUND + 0x500)
468  #define FH39_TSSR_TBL		(FH39_MEM_LOWER_BOUND + 0x680)
469  
470  /* TFDB (Transmit Frame Buffer Descriptor) */
471  #define FH39_TFDB(_ch, buf)			(FH39_TFDB_TBL + \
472  						 ((_ch) * 2 + (buf)) * 0x28)
473  #define FH39_TFDB_CHNL_BUF_CTRL_REG(_ch)	(FH39_TFDB_TBL + 0x50 * (_ch))
474  
475  /* CBCC channel is [0,2] */
476  #define FH39_CBCC(_ch)		(FH39_CBCC_TBL + (_ch) * 0x8)
477  #define FH39_CBCC_CTRL(_ch)	(FH39_CBCC(_ch) + 0x00)
478  #define FH39_CBCC_BASE(_ch)	(FH39_CBCC(_ch) + 0x04)
479  
480  /* RCSR channel is [0,2] */
481  #define FH39_RCSR(_ch)			(FH39_RCSR_TBL + (_ch) * 0x40)
482  #define FH39_RCSR_CONFIG(_ch)		(FH39_RCSR(_ch) + 0x00)
483  #define FH39_RCSR_RBD_BASE(_ch)		(FH39_RCSR(_ch) + 0x04)
484  #define FH39_RCSR_WPTR(_ch)		(FH39_RCSR(_ch) + 0x20)
485  #define FH39_RCSR_RPTR_ADDR(_ch)	(FH39_RCSR(_ch) + 0x24)
486  
487  #define FH39_RSCSR_CHNL0_WPTR		(FH39_RCSR_WPTR(0))
488  
489  /* RSSR */
490  #define FH39_RSSR_CTRL			(FH39_RSSR_TBL + 0x000)
491  #define FH39_RSSR_STATUS		(FH39_RSSR_TBL + 0x004)
492  
493  /* TCSR */
494  #define FH39_TCSR(_ch)			(FH39_TCSR_TBL + (_ch) * 0x20)
495  #define FH39_TCSR_CONFIG(_ch)		(FH39_TCSR(_ch) + 0x00)
496  #define FH39_TCSR_CREDIT(_ch)		(FH39_TCSR(_ch) + 0x04)
497  #define FH39_TCSR_BUFF_STTS(_ch)	(FH39_TCSR(_ch) + 0x08)
498  
499  /* TSSR */
500  #define FH39_TSSR_CBB_BASE        (FH39_TSSR_TBL + 0x000)
501  #define FH39_TSSR_MSG_CONFIG      (FH39_TSSR_TBL + 0x008)
502  #define FH39_TSSR_TX_STATUS       (FH39_TSSR_TBL + 0x010)
503  
504  /* DBM */
505  
506  #define FH39_SRVC_CHNL                            (6)
507  
508  #define FH39_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE     (20)
509  #define FH39_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH      (4)
510  
511  #define FH39_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN    (0x08000000)
512  
513  #define FH39_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE        (0x80000000)
514  
515  #define FH39_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE           (0x20000000)
516  
517  #define FH39_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128		(0x01000000)
518  
519  #define FH39_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST		(0x00001000)
520  
521  #define FH39_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH			(0x00000000)
522  
523  #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF		(0x00000000)
524  #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER		(0x00000001)
525  
526  #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL	(0x00000000)
527  #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL	(0x00000008)
528  
529  #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD		(0x00200000)
530  
531  #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT		(0x00000000)
532  
533  #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE		(0x00000000)
534  #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE		(0x80000000)
535  
536  #define FH39_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID		(0x00004000)
537  
538  #define FH39_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR		(0x00000001)
539  
540  #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON	(0xFF000000)
541  #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON	(0x00FF0000)
542  
543  #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B	(0x00000400)
544  
545  #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON		(0x00000100)
546  #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON		(0x00000080)
547  
548  #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH	(0x00000020)
549  #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH		(0x00000005)
550  
551  #define FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch)	(BIT(_ch) << 24)
552  #define FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch)	(BIT(_ch) << 16)
553  
554  #define FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_ch) \
555  	(FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) | \
556  	 FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch))
557  
558  #define FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE			(0x01000000)
559  
560  struct il3945_tfd_tb {
561  	__le32 addr;
562  	__le32 len;
563  } __packed;
564  
565  struct il3945_tfd {
566  	__le32 control_flags;
567  	struct il3945_tfd_tb tbs[4];
568  	u8 __pad[28];
569  } __packed;
570  
571  #ifdef CONFIG_IWLEGACY_DEBUGFS
572  extern const struct il_debugfs_ops il3945_debugfs_ops;
573  #endif
574  
575  #endif
576