1 /*        $NetBSD: bwivar.h,v 1.11 2025/01/19 00:29:28 jmcneill Exp $ */
2 /*        $OpenBSD: bwivar.h,v 1.23 2008/02/25 20:36:54 mglocker Exp $          */
3 
4 /*
5  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
6  *
7  * This code is derived from software contributed to The DragonFly Project
8  * by Sepherosa Ziehau <sepherosa@gmail.com>
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in
18  *    the documentation and/or other materials provided with the
19  *    distribution.
20  * 3. Neither the name of The DragonFly Project nor the names of its
21  *    contributors may be used to endorse or promote products derived
22  *    from this software without specific, prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
27  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
28  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
29  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
30  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
31  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
32  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
34  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  * $DragonFly: src/sys/dev/netif/bwi/if_bwivar.h,v 1.1 2007/09/08 06:15:54 sephe Exp $
38  */
39 
40 #ifndef _DEV_IC_BWIVAR_H
41 #define _DEV_IC_BWIVAR_H
42 
43 #define BWI_ALIGN             0x1000
44 #define BWI_RING_ALIGN                  BWI_ALIGN
45 #define BWI_BUS_SPACE_MAXADDR 0x3fffffff
46 
47 #define BWI_TX_NRING                    6
48 #define BWI_TXRX_NRING                  6
49 #define BWI_TX_NDESC                    128
50 #define BWI_RX_NDESC                    64
51 #define BWI_TXSTATS_NDESC     64
52 #define BWI_TX_NSPRDESC                 2
53 #define BWI_TX_DATA_RING      1
54 
55 /* XXX Onoe/Sample/AMRR probably need different configuration */
56 #define BWI_SHRETRY           7
57 #define BWI_LGRETRY           4
58 #define BWI_SHRETRY_FB                  3
59 #define BWI_LGRETRY_FB                  2
60 
61 #define BWI_LED_EVENT_NONE    -1
62 #define BWI_LED_EVENT_POLL    0
63 #define BWI_LED_EVENT_TX      1
64 #define BWI_LED_EVENT_RX      2
65 #define BWI_LED_SLOWDOWN(dur) (dur) = (((dur) * 3) / 2)
66 
67 enum bwi_txpwrcb_type {
68           BWI_TXPWR_INIT = 0,
69           BWI_TXPWR_FORCE = 1,
70           BWI_TXPWR_CALIB = 2
71 };
72 
73 #define BWI_NOISE_FLOOR                 -95       /* TODO: noise floor calc */
74 
75 /* [TRC: Bizarreness.  Cf. bwi_rxeof in OpenBSD's if_bwi.c and
76    DragonFlyBSD's bwi.c.] */
77 #define BWI_FRAME_MIN_LEN(hdr)          \
78           ((hdr) + sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
79 
80 #define CSR_READ_4(sc, reg)                       \
81           _bwi_read_4(sc, reg)
82 #define CSR_READ_2(sc, reg)                       \
83           _bwi_read_2(sc, reg)
84 #define CSR_READ_MULTI_4(sc, reg, datap, count)   \
85           _bwi_read_multi_4(sc, reg, datap, count)
86 
87 #define CSR_WRITE_4(sc, reg, val)                 \
88           _bwi_write_4(sc, reg, val)
89 #define CSR_WRITE_2(sc, reg, val)                 \
90           _bwi_write_2(sc, reg, val)
91 #define CSR_WRITE_MULTI_4(sc, reg, datap, count) \
92           _bwi_write_multi_4(sc, reg, datap, count)
93 
94 #define CSR_SETBITS_4(sc, reg, bits)              \
95           CSR_WRITE_4((sc), (reg), CSR_READ_4((sc), (reg)) | (bits))
96 #define CSR_SETBITS_2(sc, reg, bits)              \
97           CSR_WRITE_2((sc), (reg), CSR_READ_2((sc), (reg)) | (bits))
98 
99 #define CSR_FILT_SETBITS_4(sc, reg, filt, bits) \
100           CSR_WRITE_4((sc), (reg), (CSR_READ_4((sc), (reg)) & (filt)) | (bits))
101 #define CSR_FILT_SETBITS_2(sc, reg, filt, bits)   \
102           CSR_WRITE_2((sc), (reg), (CSR_READ_2((sc), (reg)) & (filt)) | (bits))
103 
104 #define CSR_CLRBITS_4(sc, reg, bits)              \
105           CSR_WRITE_4((sc), (reg), CSR_READ_4((sc), (reg)) & ~(bits))
106 #define CSR_CLRBITS_2(sc, reg, bits)              \
107           CSR_WRITE_2((sc), (reg), CSR_READ_2((sc), (reg)) & ~(bits))
108 
109 struct pool_cache;
110 struct workqueue;
111 
112 struct bwi_desc32 {
113           /* Little endian */
114           uint32_t  ctrl;
115           uint32_t  addr;     /* BWI_DESC32_A_ */
116 } __packed;
117 
118 #define BWI_DESC32_A_FUNC_TXRX                    0x1
119 #define BWI_DESC32_A_FUNC_MASK                    0xc0000000
120 #define BWI_DESC32_A_ADDR_MASK                    0x3fffffff
121 
122 #define BWI_DESC32_C_BUFLEN_MASK        0x00001fff
123 #define BWI_DESC32_C_ADDRHI_MASK        0x00030000
124 #define BWI_DESC32_C_EOR                (1 << 28)
125 #define BWI_DESC32_C_INTR               (1 << 29)
126 #define BWI_DESC32_C_FRAME_END                    (1 << 30)
127 #define BWI_DESC32_C_FRAME_START        (1 << 31)
128 
129 struct bwi_desc64 {
130           /* Little endian */
131           uint32_t  ctrl0;
132           uint32_t  ctrl1;
133           uint32_t  addr_lo;
134           uint32_t  addr_hi;
135 } __packed;
136 
137 struct bwi_rxbuf_hdr {
138           /* Little endian */
139           uint16_t  rxh_buflen;         /* exclude bwi_rxbuf_hdr */
140           uint8_t             rxh_pad1[2];
141           uint16_t  rxh_flags1;
142           uint8_t             rxh_rssi;
143           uint8_t             rxh_sq;
144           uint16_t  rxh_phyinfo;        /* BWI_RXH_PHYINFO_ */
145           uint16_t  rxh_flags3;
146           uint16_t  rxh_flags2;         /* BWI_RXH_F2_ */
147           uint16_t  rxh_tsf;
148           uint8_t             rxh_pad3[14];       /* Padded to 30bytes */
149 } __packed;
150 
151 #define BWI_RXH_F1_BCM2053_RSSI (1 << 14)
152 #define BWI_RXH_F1_OFDM                 (1 << 0)
153 
154 #define BWI_RXH_F2_TYPE2FRAME (1 << 2)
155 #define BWI_RXH_F2_INVALID    (1 << 0)
156 
157 #define BWI_RXH_F3_BCM2050_RSSI         (1 << 10)
158 
159 #define BWI_RXH_PHYINFO_LNAGAIN         (3 << 14)
160 
161 struct bwi_txbuf_hdr {
162           /* Little endian */
163           uint32_t  txh_mac_ctrl;       /* BWI_TXH_MAC_C_ */
164           uint8_t             txh_fc[2];
165           uint16_t  txh_unknown1;
166           uint16_t  txh_phy_ctrl;       /* BWI_TXH_PHY_C_ */
167           uint8_t             txh_ivs[16];
168           uint8_t             txh_addr1[IEEE80211_ADDR_LEN];
169           uint16_t  txh_unknown2;
170           uint8_t             txh_rts_fb_plcp[4];
171           uint16_t  txh_rts_fb_duration;
172           uint8_t             txh_fb_plcp[4];
173           uint16_t  txh_fb_duration;
174           uint8_t             txh_pad2[2];
175           uint16_t  txh_id;             /* BWI_TXH_ID_ */
176           uint16_t  txh_unknown3;
177           uint8_t             txh_rts_plcp[6];
178           uint8_t             txh_rts_fc[2];
179           uint16_t  txh_rts_duration;
180           uint8_t             txh_rts_ra[IEEE80211_ADDR_LEN];
181           uint8_t             txh_rts_ta[IEEE80211_ADDR_LEN];
182           uint8_t             txh_pad3[2];
183           uint8_t             txh_plcp[6];
184 } __packed;
185 
186 #define BWI_TXH_ID_RING_MASK            0xe000
187 #define BWI_TXH_ID_IDX_MASK             0x1fff
188 
189 #define BWI_TXH_PHY_C_OFDM              (1 << 0)
190 #define BWI_TXH_PHY_C_SHPREAMBLE        (1 << 4)
191 #define BWI_TXH_PHY_C_ANTMODE_MASK      0x0300
192 
193 #define BWI_TXH_MAC_C_ACK               (1 << 0)
194 #define BWI_TXH_MAC_C_FIRST_FRAG        (1 << 3)
195 #define BWI_TXH_MAC_C_HWSEQ             (1 << 4)
196 #define BWI_TXH_MAC_C_FB_OFDM           (1 << 8)
197 
198 struct bwi_txstats {
199           /* Little endian */
200           uint8_t             txs_pad1[4];
201           uint16_t  txs_id;
202           uint8_t             txs_flags;
203           uint8_t             txs_retry_cnt;
204           uint8_t             txs_pad2[2];
205           uint16_t  txs_seq;
206           uint16_t  txs_unknown;
207           uint8_t             txs_pad3[2];        /* Padded to 16bytes */
208 } __packed;
209 
210 struct bwi_ring_data {
211           uint32_t             rdata_txrx_ctrl;
212           bus_dma_segment_t    rdata_seg;
213           bus_dmamap_t                   rdata_dmap;
214           bus_addr_t                     rdata_paddr;
215           void                          *rdata_desc;
216 };
217 
218 struct bwi_txbuf_data;
219 
220 struct bwi_txbuf {
221           struct mbuf                   *tb_mbuf;
222           bus_dmamap_t                   tb_dmap;
223 
224           struct ieee80211_node         *tb_ni;
225           int                            tb_rate_idx[2];
226 
227           struct bwi_txbuf_data         *tb_data;
228           STAILQ_ENTRY(bwi_txbuf)        tb_entry;
229 };
230 
231 struct bwi_txbuf_data {
232           struct bwi_txbuf    tbd_buf[BWI_TX_NDESC];
233           int                           tbd_used;
234           int                           tbd_idx;
235 };
236 
237 struct bwi_rxbuf {
238           struct mbuf                   *rb_mbuf;
239           bus_addr_t                     rb_paddr;
240           bus_dmamap_t                   rb_dmap;
241 };
242 
243 struct bwi_rxbuf_data {
244           struct bwi_rxbuf    rbd_buf[BWI_RX_NDESC];
245           bus_dmamap_t                  rbd_tmp_dmap;
246           int                           rbd_idx;
247 };
248 
249 struct bwi_txstats_data {
250           bus_dma_segment_t    stats_ring_seg;
251           bus_dmamap_t                   stats_ring_dmap;
252           bus_addr_t                     stats_ring_paddr;
253           void                          *stats_ring;
254 
255           bus_dma_segment_t    stats_seg;
256           bus_dmamap_t                   stats_dmap;
257           bus_addr_t                     stats_paddr;
258           struct bwi_txstats  *stats;
259 
260           uint32_t             stats_ctrl_base;
261           int                            stats_idx;
262 };
263 
264 struct bwi_fwhdr {
265           /* Big endian */
266           uint8_t             fw_type;  /* BWI_FW_T_ */
267           uint8_t             fw_gen;             /* BWI_FW_GEN */
268           uint8_t             fw_pad[2];
269           uint32_t  fw_size;
270 #define fw_iv_cnt   fw_size
271 } __packed;
272 
273 #define BWI_FWHDR_SZ                    sizeof(struct bwi_fwhdr)
274 #define BWI_FW_VERSION3                 3
275 #define BWI_FW_VERSION4                 4
276 #define BWI_FW_VERSION3_REVMAX          0x128
277 #define BWI_FW_T_UCODE          'u'
278 #define BWI_FW_T_PCM            'p'
279 #define BWI_FW_T_IV             'i'
280 #define BWI_FW_GEN_1            1
281 #define BWI_FW_IV_OFS_MASK    0x7fff
282 #define BWI_FW_IV_IS_32BIT    (1 << 15)
283 
284 #define BWI_FW_NAME_FORMAT    "v%d/%s%d.fw"
285 #define BWI_FW_UCODE_PREFIX   "ucode"
286 #define BWI_FW_PCM_PREFIX     "pcm"
287 #define BWI_FW_IV_PREFIX      "b0g0initvals"
288 #define BWI_FW_IV_EXT_PREFIX  "b0g0bsinitvals"
289 
290 struct bwi_fw_image {
291           char       fwi_name[64];
292           uint8_t   *fwi_data;
293           size_t     fwi_size;
294 };
295 
296 struct bwi_fw_iv {
297           /* Big endian */
298           uint16_t            iv_ofs;
299           union {
300                     uint32_t  val32;
301                     uint16_t  val16;
302           }                             iv_val;
303 } __packed;
304 
305 struct bwi_led {
306           uint8_t                       l_flags;  /* BWI_LED_F_ */
307           uint8_t                       l_act;              /* BWI_LED_ACT_ */
308           uint8_t                       l_mask;
309 };
310 
311 #define BWI_LED_F_ACTLOW      0x1
312 #define BWI_LED_F_BLINK                 0x2
313 #define BWI_LED_F_POLLABLE    0x4
314 #define BWI_LED_F_SLOW                  0x8
315 
316 enum bwi_clock_mode {
317           BWI_CLOCK_MODE_SLOW,
318           BWI_CLOCK_MODE_FAST,
319           BWI_CLOCK_MODE_DYN
320 };
321 
322 struct bwi_regwin {
323           uint32_t            rw_flags; /* BWI_REGWIN_F_ */
324           uint16_t            rw_type;  /* BWI_REGWIN_T_ */
325           uint8_t                       rw_id;
326           uint8_t                       rw_rev;
327 };
328 
329 #define BWI_REGWIN_F_EXIST    0x1
330 
331 #define BWI_CREATE_REGWIN(rw, id, type, rev)      \
332 do {                                                        \
333           (rw)->rw_flags = BWI_REGWIN_F_EXIST;    \
334           (rw)->rw_type = (type);                           \
335           (rw)->rw_id = (id);                     \
336           (rw)->rw_rev = (rev);                             \
337 } while (0)
338 
339 #define BWI_REGWIN_EXIST(rw)  ((rw)->rw_flags & BWI_REGWIN_F_EXIST)
340 #define BWI_GPIO_REGWIN(sc)                                 \
341           (BWI_REGWIN_EXIST(&(sc)->sc_com_regwin) ?         \
342           &(sc)->sc_com_regwin : &(sc)->sc_bus_regwin)
343 
344 struct bwi_mac;
345 
346 struct bwi_phy {
347           enum ieee80211_phymode        phy_mode;
348           int                           phy_rev;
349           int                           phy_version;
350 
351           uint32_t            phy_flags;                    /* BWI_PHY_F_ */
352           uint16_t            phy_tbl_ctrl;
353           uint16_t            phy_tbl_data_lo;
354           uint16_t            phy_tbl_data_hi;
355 
356           void                          (*phy_init)(struct bwi_mac *);
357 };
358 
359 #define BWI_PHY_F_CALIBRATED  0x1
360 #define BWI_PHY_F_LINKED      0x2
361 #define BWI_CLEAR_PHY_FLAGS   (BWI_PHY_F_CALIBRATED)
362 
363 /* TX power control */
364 struct bwi_tpctl {
365           uint16_t            bbp_atten;          /* BBP attenuation: 4bits */
366           uint16_t            rf_atten; /* RF attenuation */
367           uint16_t            tp_ctrl1; /* ??: 3bits */
368           uint16_t            tp_ctrl2; /* ??: 4bits */
369 };
370 
371 #define BWI_RF_ATTEN_FACTOR   4
372 #define BWI_RF_ATTEN_MAX0     9
373 #define BWI_RF_ATTEN_MAX1     31
374 #define BWI_BBP_ATTEN_MAX     11
375 #define BWI_TPCTL1_MAX                  7
376 
377 struct bwi_rf_lo {
378           int8_t                        ctrl_lo;
379           int8_t                        ctrl_hi;
380 };
381 
382 struct bwi_rf {
383           uint16_t            rf_type;  /* BWI_RF_T_ */
384           uint16_t            rf_manu;
385           int                           rf_rev;
386 
387           uint32_t            rf_flags; /* BWI_RF_F_ */
388 
389 #define BWI_RFLO_MAX                    56
390           struct bwi_rf_lo    rf_lo[BWI_RFLO_MAX];
391           uint8_t                       rf_lo_used[8];
392 
393 #define BWI_INVALID_NRSSI     -1000
394           int16_t                       rf_nrssi[2];        /* Narrow RSSI */
395           int32_t                       rf_nrssi_slope;
396 
397 #define BWI_NRSSI_TBLSZ                 64
398           int8_t                        rf_nrssi_table[BWI_NRSSI_TBLSZ];
399 
400           uint16_t            rf_lo_gain;         /* loopback gain */
401           uint16_t            rf_rx_gain;         /* TRSW RX gain */
402 
403           uint16_t            rf_calib; /* RF calibration value */
404           uint                          rf_curchan;         /* current channel */
405 
406           uint16_t            rf_ctrl_rd;
407           int                           rf_ctrl_adj;
408           void                          (*rf_off)(struct bwi_mac *);
409           void                          (*rf_on)(struct bwi_mac *);
410 
411           void                          (*rf_set_nrssi_thr)(struct bwi_mac *);
412           void                          (*rf_calc_nrssi_slope)(struct bwi_mac *);
413           int                           (*rf_calc_rssi)
414                                         (struct bwi_mac *,
415                                          const struct bwi_rxbuf_hdr *);
416 
417           void                          (*rf_lo_update)(struct bwi_mac *);
418 
419 #define BWI_TSSI_MAX                    64
420           int8_t                        rf_txpower_map0[BWI_TSSI_MAX];
421                                                             /* Indexed by TSSI */
422           int                           rf_idle_tssi0;
423 
424           int8_t                        rf_txpower_map[BWI_TSSI_MAX];
425           int                           rf_idle_tssi;
426 
427           int                           rf_base_tssi;
428 
429           int                           rf_txpower_max;     /* dBm */
430 
431           int                           rf_ant_mode;        /* BWI_ANT_MODE_ */
432 };
433 
434 #define BWI_RF_F_INITED                 0x1
435 #define BWI_RF_F_ON           0x2
436 #define BWI_RF_CLEAR_FLAGS    (BWI_RF_F_INITED)
437 
438 #define BWI_ANT_MODE_0                  0
439 #define BWI_ANT_MODE_1                  1
440 #define BWI_ANT_MODE_UNKN     2
441 #define BWI_ANT_MODE_AUTO     3
442 
443 struct fw_image;
444 
445 struct bwi_mac {
446           struct bwi_regwin    mac_regwin;        /* MUST be first field */
447 #define mac_rw_flags                     mac_regwin.rw_flags
448 #define mac_type               mac_regwin.rw_type
449 #define mac_id                           mac_regwin.rw_id
450 #define mac_rev                          mac_regwin.rw_rev
451           struct bwi_softc    *mac_sc;
452 
453           struct bwi_phy                 mac_phy; /* PHY I/F */
454           struct bwi_rf                  mac_rf;  /* RF I/F */
455 
456           struct bwi_tpctl     mac_tpctl;         /* TX power control */
457           uint32_t             mac_flags;         /* BWI_MAC_F_ */
458 
459           struct bwi_fw_image  mac_ucode_fwi;
460           struct bwi_fw_image  mac_pcm_fwi;
461           struct bwi_fw_image  mac_iv_fwi;
462           struct bwi_fw_image  mac_iv_ext_fwi;
463 };
464 
465 #define mac_ucode mac_ucode_fwi.fwi_data
466 #define mac_ucode_size mac_ucode_fwi.fwi_size
467 #define mac_pcm mac_pcm_fwi.fwi_data
468 #define mac_pcm_size mac_pcm_fwi.fwi_size
469 #define mac_iv mac_iv_fwi.fwi_data
470 #define mac_iv_size mac_iv_fwi.fwi_size
471 #define mac_iv_ext mac_iv_ext_fwi.fwi_data
472 #define mac_iv_ext_size mac_iv_ext_fwi.fwi_size
473 
474 #define BWI_MAC_F_BSWAP                 0x1
475 #define BWI_MAC_F_TPCTL_INITED          0x2
476 #define BWI_MAC_F_HAS_TXSTATS 0x4
477 #define BWI_MAC_F_INITED      0x8
478 #define BWI_MAC_F_ENABLED     0x10
479 #define BWI_MAC_F_LOCKED      0x20      /* for debug */
480 #define BWI_MAC_F_TPCTL_ERROR 0x40
481 #define BWI_MAC_F_PHYE_RESET  0x80
482 
483 #define BWI_CREATE_MAC(mac, sc, id, rev)          \
484 do {                                                        \
485           BWI_CREATE_REGWIN(&(mac)->mac_regwin,   \
486               (id), BWI_REGWIN_T_MAC, (rev));     \
487           (mac)->mac_sc = (sc);                             \
488 } while (0)
489 
490 #define BWI_MAC_MAX           2
491 #define BWI_LED_MAX           4
492 
493 enum bwi_bus_space {
494           BWI_BUS_SPACE_30BIT = 1,
495           BWI_BUS_SPACE_32BIT,
496           BWI_BUS_SPACE_64BIT
497 };
498 
499 #define BWI_TX_RADIOTAP_PRESENT                   \
500           ((1 << IEEE80211_RADIOTAP_FLAGS) |      \
501            (1 << IEEE80211_RADIOTAP_RATE) |       \
502            (1 << IEEE80211_RADIOTAP_CHANNEL))
503 
504 struct bwi_tx_radiotap_hdr {
505           struct ieee80211_radiotap_header wt_ihdr;
506           uint8_t             wt_flags;
507           uint8_t             wt_rate;
508           uint16_t  wt_chan_freq;
509           uint16_t  wt_chan_flags;
510 };
511 
512 #define BWI_RX_RADIOTAP_PRESENT                                       \
513           ((1 << IEEE80211_RADIOTAP_TSFT) |                 \
514            (1 << IEEE80211_RADIOTAP_FLAGS) |                \
515            (1 << IEEE80211_RADIOTAP_RATE) |                 \
516            (1 << IEEE80211_RADIOTAP_CHANNEL) |              \
517            (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |        \
518            (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
519 
520 struct bwi_rx_radiotap_hdr {
521           struct ieee80211_radiotap_header wr_ihdr;
522           uint64_t  wr_tsf;
523           uint8_t             wr_flags;
524           uint8_t             wr_rate;
525           uint16_t  wr_chan_freq;
526           uint16_t  wr_chan_flags;
527           int8_t              wr_antsignal;
528           int8_t              wr_antnoise;
529           /* TODO: sq */
530 };
531 
532 /* [TRC: XXX amrr] */
533 struct bwi_node {
534           struct ieee80211_node                   ni;
535           struct ieee80211_amrr_node    amn;
536 };
537 
538 enum bwi_task_cmd {
539           BWI_TASK_NEWSTATE,
540           BWI_TASK_UPDATESLOT,
541           BWI_TASK_TX,
542           BWI_TASK_INIT,
543           BWI_TASK_CALIBRATE,
544 };
545 
546 #define BWI_TASK_COUNT                  64
547 
548 struct bwi_task {
549           struct work                    t_work;
550           struct ieee80211com *t_ic;
551           enum bwi_task_cmd    t_cmd;
552           union {
553                     struct {
554                               enum ieee80211_state state;
555                               int        arg;
556                     } t_newstate;
557           };
558 };
559 
560 struct bwi_softc {
561           device_t             sc_dev;
562           struct ethercom                sc_ec;
563           struct ieee80211com  sc_ic;
564 #define sc_if sc_ec.ec_if
565           uint32_t             sc_flags;          /* BWI_F_ */
566           void                          *sc_ih;             /* [TRC: interrupt handler] */
567           void                          *sc_soft_ih;
568 
569           uint32_t             sc_cap;  /* BWI_CAP_ */
570           uint16_t             sc_bbp_id;         /* BWI_BBPID_ */
571           uint8_t                        sc_bbp_rev;
572           uint8_t                        sc_bbp_pkg;
573 
574           uint8_t                        sc_pci_revid;
575           uint16_t             sc_pci_did;
576           uint16_t             sc_pci_subvid;
577           uint16_t             sc_pci_subdid;
578 
579           uint16_t             sc_card_flags;     /* BWI_CARD_F_ */
580           uint16_t             sc_pwron_delay;
581           int                            sc_locale;
582 
583           /* [TRC: No clue what these are for.]
584           int                            sc_irq_rid;
585           struct resource               *sc_irq_res;
586           void                          *sc_irq_handle;
587           */
588 
589           /* [TRC: Likewise.]
590           int                            sc_mem_rid;
591           struct resource               *sc_mem_res;
592           */
593           bus_dma_tag_t                  sc_dmat;
594           bus_space_tag_t                sc_mem_bt;
595           bus_space_handle_t   sc_mem_bh;
596 
597           struct callout                 sc_scan_ch;
598           struct callout                 sc_calib_ch;
599 
600           /* [TRC: XXX amrr] */
601           struct callout                 sc_amrr_ch;
602           struct ieee80211_amrr          sc_amrr;
603 
604           struct bwi_regwin   *sc_cur_regwin;
605           struct bwi_regwin    sc_com_regwin;
606           struct bwi_regwin    sc_bus_regwin;
607 
608           int                            sc_nmac;
609           struct bwi_mac                 sc_mac[BWI_MAC_MAX];
610 
611           int                            sc_rx_rate;
612           int                            sc_tx_rate;
613           enum bwi_txpwrcb_type          sc_txpwrcb_type;
614 
615           int                            sc_led_blinking;
616           int                            sc_led_ticks;
617           struct bwi_led                *sc_blink_led;
618           struct callout                 sc_led_blink_ch;
619           int                            sc_led_blink_offdur;
620           struct bwi_led                 sc_leds[BWI_LED_MAX];
621 
622           enum bwi_bus_space   sc_bus_space;
623 
624           struct bwi_txbuf_data          sc_tx_bdata[BWI_TX_NRING];
625           struct bwi_rxbuf_data          sc_rx_bdata;
626 
627           struct bwi_ring_data           sc_tx_rdata[BWI_TX_NRING];
628           struct bwi_ring_data           sc_rx_rdata;
629 
630           struct bwi_txstats_data       *sc_txstats;
631 
632           int                            sc_tx_timer;
633 
634           int                            (*sc_newstate)
635                                          (struct ieee80211com *,
636                                              enum ieee80211_state, int);
637 
638           int                            (*sc_init_tx_ring)(struct bwi_softc *, int);
639           void                           (*sc_free_tx_ring)(struct bwi_softc *, int);
640 
641           int                            (*sc_init_rx_ring)(struct bwi_softc *);
642           void                           (*sc_free_rx_ring)(struct bwi_softc *);
643 
644           int                            (*sc_init_txstats)(struct bwi_softc *);
645           void                           (*sc_free_txstats)(struct bwi_softc *);
646 
647           void                           (*sc_setup_rxdesc)
648                                          (struct bwi_softc *, int, bus_addr_t, int);
649           int                            (*sc_rxeof)(struct bwi_softc *);
650 
651           void                           (*sc_setup_txdesc)
652                                          (struct bwi_softc *, struct bwi_ring_data *,
653                                              int, bus_addr_t, int);
654           void                           (*sc_start_tx)
655                                          (struct bwi_softc *, uint32_t, int);
656 
657           void                           (*sc_txeof_status)(struct bwi_softc *);
658 
659           int                            (*sc_enable)(struct bwi_softc *, int);
660           void                           (*sc_disable)(struct bwi_softc *, int);
661 
662           void                           (*sc_conf_write)(void *, uint32_t, uint32_t);
663           uint32_t             (*sc_conf_read)(void *, uint32_t);
664 
665           void                           (*sc_reg_write_2)(void *, uint32_t, uint16_t);
666           uint16_t             (*sc_reg_read_2)(void *, uint32_t);
667           void                           (*sc_reg_write_4)(void *, uint32_t, uint32_t);
668           uint32_t             (*sc_reg_read_4)(void *, uint32_t);
669 
670           void                           (*sc_reg_write_multi_4)(void *, uint32_t,
671                                              const uint32_t *, size_t);
672           void                           (*sc_reg_read_multi_4)(void *, uint32_t,
673                                              uint32_t *, size_t);
674 
675           struct pool_cache   *sc_freetask;
676           struct workqueue    *sc_taskq;
677           uint8_t                       *sc_pio_databuf;
678           kmutex_t             sc_pio_txlock;
679           STAILQ_HEAD(, bwi_txbuf) sc_pio_txpend;
680           size_t                         sc_pio_fifolen;
681           size_t                         sc_pio_fifoavail;
682 
683           struct sysctllog    *sc_sysctllog;
684 
685           /* Sysctl variables */
686           int                            sc_fw_version;     /* BWI_FW_VERSION[34] */
687           int                            sc_dwell_time;     /* milliseconds */
688           int                            sc_led_idle;
689           int                            sc_led_blink;
690           int                            sc_txpwr_calib;
691           int                            sc_debug;          /* BWI_DBG_ */
692 
693           struct bpf_if                 *sc_drvbpf;
694 
695           union {
696                     struct bwi_rx_radiotap_hdr th;
697                     uint8_t pad[64];
698           }                              sc_rxtapu;
699 #define sc_rxtap               sc_rxtapu.th
700           int                            sc_rxtap_len;
701 
702           union {
703                     struct bwi_tx_radiotap_hdr th;
704                     uint8_t pad[64];
705           }                              sc_txtapu;
706 #define sc_txtap               sc_txtapu.th
707           int                            sc_txtap_len;
708 };
709 
710 static inline void
_bwi_read_multi_4(struct bwi_softc * sc,bus_size_t reg,uint32_t * datap,bus_size_t count)711 _bwi_read_multi_4(struct bwi_softc *sc, bus_size_t reg, uint32_t *datap,
712     bus_size_t count)
713 {
714           if (sc->sc_reg_read_multi_4 != NULL) {
715                     return sc->sc_reg_read_multi_4(sc, reg, datap, count);
716           } else {
717                     return bus_space_read_multi_4(sc->sc_mem_bt, sc->sc_mem_bh,
718                         reg, datap, count);
719           }
720 }
721 
722 static inline uint16_t
_bwi_read_2(struct bwi_softc * sc,bus_size_t reg)723 _bwi_read_2(struct bwi_softc *sc, bus_size_t reg)
724 {
725           if (sc->sc_reg_read_2 != NULL) {
726                     return sc->sc_reg_read_2(sc, reg);
727           } else {
728                     return bus_space_read_2(sc->sc_mem_bt, sc->sc_mem_bh, reg);
729           }
730 }
731 
732 static inline uint32_t
_bwi_read_4(struct bwi_softc * sc,bus_size_t reg)733 _bwi_read_4(struct bwi_softc *sc, bus_size_t reg)
734 {
735           if (sc->sc_reg_read_4 != NULL) {
736                     return sc->sc_reg_read_4(sc, reg);
737           } else {
738                     return bus_space_read_4(sc->sc_mem_bt, sc->sc_mem_bh, reg);
739           }
740 }
741 
742 static inline void
_bwi_write_multi_4(struct bwi_softc * sc,bus_size_t reg,const uint32_t * datap,bus_size_t count)743 _bwi_write_multi_4(struct bwi_softc *sc, bus_size_t reg, const uint32_t *datap,
744     bus_size_t count)
745 {
746           if (sc->sc_reg_read_multi_4 != NULL) {
747                     return sc->sc_reg_write_multi_4(sc, reg, datap, count);
748           } else {
749                     return bus_space_write_multi_4(sc->sc_mem_bt, sc->sc_mem_bh,
750                         reg, datap, count);
751           }
752 }
753 
754 static inline void
_bwi_write_2(struct bwi_softc * sc,bus_size_t reg,uint16_t val)755 _bwi_write_2(struct bwi_softc *sc, bus_size_t reg, uint16_t val)
756 {
757           if (sc->sc_reg_write_2 != NULL) {
758                     sc->sc_reg_write_2(sc, reg, val);
759           } else {
760                     bus_space_write_2(sc->sc_mem_bt, sc->sc_mem_bh, reg, val);
761           }
762 }
763 
764 static inline void
_bwi_write_4(struct bwi_softc * sc,bus_size_t reg,uint32_t val)765 _bwi_write_4(struct bwi_softc *sc, bus_size_t reg, uint32_t val)
766 {
767           if (sc->sc_reg_write_4 != NULL) {
768                     sc->sc_reg_write_4(sc, reg, val);
769           } else {
770                     bus_space_write_4(sc->sc_mem_bt, sc->sc_mem_bh, reg, val);
771           }
772 }
773 
774 #define BWI_F_BUS_INITED      0x1
775 #define BWI_F_PROMISC                   0x2
776 #define BWI_F_SDIO            0x4
777 #define BWI_F_PIO             0x8
778 
779 #define BWI_IS_SDIO(sc)                 ISSET((sc)->sc_flags, BWI_F_SDIO)
780 #define BWI_IS_PIO(sc)                  ISSET((sc)->sc_flags, BWI_F_PIO)
781 
782 #define BWI_DBG_MAC           0x00000001
783 #define BWI_DBG_RF            0x00000002
784 #define BWI_DBG_PHY           0x00000004
785 #define BWI_DBG_MISC                    0x00000008
786 
787 #define BWI_DBG_ATTACH                  0x00000010
788 #define BWI_DBG_INIT                    0x00000020
789 #define BWI_DBG_FIRMWARE      0x00000040
790 #define BWI_DBG_80211                   0x00000080
791 #define BWI_DBG_TXPOWER                 0x00000100
792 #define BWI_DBG_INTR                    0x00000200
793 #define BWI_DBG_RX            0x00000400
794 #define BWI_DBG_TX            0x00000800
795 #define BWI_DBG_TXEOF                   0x00001000
796 #define BWI_DBG_LED           0x00002000
797 #define BWI_DBG_STATION                 0x00004000
798 
799 #define abs(a)      __builtin_abs(a)
800 
801 #define MOBJ_WRITE_2(mac, objid, ofs, val)                            \
802           bwi_memobj_write_2((mac), (objid), (ofs), (val))
803 #define MOBJ_WRITE_4(mac, objid, ofs, val)                            \
804           bwi_memobj_write_4((mac), (objid), (ofs), (val))
805 #define MOBJ_READ_2(mac, objid, ofs)                                  \
806           bwi_memobj_read_2((mac), (objid), (ofs))
807 #define MOBJ_READ_4(mac, objid, ofs)                                  \
808           bwi_memobj_read_4((mac), (objid), (ofs))
809 
810 #define MOBJ_SETBITS_4(mac, objid, ofs, bits)                         \
811           MOBJ_WRITE_4((mac), (objid), (ofs),                         \
812           MOBJ_READ_4((mac), (objid), (ofs)) | (bits))
813 #define MOBJ_CLRBITS_4(mac, objid, ofs, bits)                         \
814           MOBJ_WRITE_4((mac), (objid), (ofs),                         \
815           MOBJ_READ_4((mac), (objid), (ofs)) & ~(bits))
816 
817 #define MOBJ_FILT_SETBITS_2(mac, objid, ofs, filt, bits)    \
818           MOBJ_WRITE_2((mac), (objid), (ofs),                         \
819           (MOBJ_READ_2((mac), (objid), (ofs)) & (filt)) | (bits))
820 
821 #define TMPLT_WRITE_4(mac, ofs, val)    bwi_tmplt_write_4((mac), (ofs), (val))
822 
823 #define HFLAGS_WRITE(mac, flags)        bwi_hostflags_write((mac), (flags))
824 #define HFLAGS_READ(mac)                bwi_hostflags_read((mac))
825 #define HFLAGS_CLRBITS(mac, bits)                                     \
826           HFLAGS_WRITE((mac), HFLAGS_READ((mac)) | (bits))
827 #define HFLAGS_SETBITS(mac, bits)                                     \
828           HFLAGS_WRITE((mac), HFLAGS_READ((mac)) & ~(bits))
829 
830 /* PHY */
831 
832 struct bwi_gains {
833           int16_t   tbl_gain1;
834           int16_t   tbl_gain2;
835           int16_t   phy_gain;
836 };
837 
838 static __inline void
bwi_phy_init(struct bwi_mac * _mac)839 bwi_phy_init(struct bwi_mac *_mac)
840 {
841           _mac->mac_phy.phy_init(_mac);
842 }
843 
844 #define PHY_WRITE(mac, ctrl, val)       bwi_phy_write((mac), (ctrl), (val))
845 #define PHY_READ(mac, ctrl)             bwi_phy_read((mac), (ctrl))
846 
847 #define PHY_SETBITS(mac, ctrl, bits)              \
848           PHY_WRITE((mac), (ctrl), PHY_READ((mac), (ctrl)) | (bits))
849 #define PHY_CLRBITS(mac, ctrl, bits)              \
850           PHY_WRITE((mac), (ctrl), PHY_READ((mac), (ctrl)) & ~(bits))
851 #define PHY_FILT_SETBITS(mac, ctrl, filt, bits)   \
852           PHY_WRITE((mac), (ctrl), (PHY_READ((mac), (ctrl)) & (filt)) | (bits))
853 
854 static __inline void
bwi_rf_off(struct bwi_mac * _mac)855 bwi_rf_off(struct bwi_mac *_mac)
856 {
857           _mac->mac_rf.rf_off(_mac);
858           /* TODO: LED */
859 
860           _mac->mac_rf.rf_flags &= ~BWI_RF_F_ON;
861 }
862 
863 static __inline void
bwi_rf_on(struct bwi_mac * _mac)864 bwi_rf_on(struct bwi_mac *_mac)
865 {
866           if (_mac->mac_rf.rf_flags & BWI_RF_F_ON)
867                     return;
868 
869           _mac->mac_rf.rf_on(_mac);
870           /* TODO: LED */
871 
872           _mac->mac_rf.rf_flags |= BWI_RF_F_ON;
873 }
874 
875 static __inline void
bwi_rf_calc_nrssi_slope(struct bwi_mac * _mac)876 bwi_rf_calc_nrssi_slope(struct bwi_mac *_mac)
877 {
878           _mac->mac_rf.rf_calc_nrssi_slope(_mac);
879 }
880 
881 static __inline void
bwi_rf_set_nrssi_thr(struct bwi_mac * _mac)882 bwi_rf_set_nrssi_thr(struct bwi_mac *_mac)
883 {
884           _mac->mac_rf.rf_set_nrssi_thr(_mac);
885 }
886 
887 static __inline int
bwi_rf_calc_rssi(struct bwi_mac * _mac,const struct bwi_rxbuf_hdr * _hdr)888 bwi_rf_calc_rssi(struct bwi_mac *_mac, const struct bwi_rxbuf_hdr *_hdr)
889 {
890           return (_mac->mac_rf.rf_calc_rssi(_mac, _hdr));
891 }
892 
893 static __inline void
bwi_rf_lo_update(struct bwi_mac * _mac)894 bwi_rf_lo_update(struct bwi_mac *_mac)
895 {
896           _mac->mac_rf.rf_lo_update(_mac);
897 }
898 
899 #define RF_WRITE(mac, ofs, val)                   bwi_rf_write((mac), (ofs), (val))
900 #define RF_READ(mac, ofs)               bwi_rf_read((mac), (ofs))
901 
902 #define RF_SETBITS(mac, ofs, bits)                \
903           RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) | (bits))
904 #define RF_CLRBITS(mac, ofs, bits)                \
905           RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) & ~(bits))
906 #define RF_FILT_SETBITS(mac, ofs, filt, bits)     \
907           RF_WRITE((mac), (ofs), (RF_READ((mac), (ofs)) & (filt)) | (bits))
908 
909 /* [TRC: XXX Why are these visible at all externally?] */
910 
911 int                 bwi_intr(void *);
912 int                 bwi_attach(struct bwi_softc *);
913 void                bwi_detach(struct bwi_softc *);
914 
915 /* Power Management Framework */
916 bool                bwi_suspend(device_t, const pmf_qual_t *);
917 bool                bwi_resume(device_t, const pmf_qual_t *);
918 
919 #endif    /* !_DEV_IC_BWIVAR_H */
920