rtwvar.h revision 1.18 1 /* $NetBSD: rtwvar.h,v 1.18 2005/01/03 03:25:06 dyoung Exp $ */
2 /*-
3 * Copyright (c) 2004, 2005 David Young. All rights reserved.
4 *
5 * Driver for the Realtek RTL8180 802.11 MAC/BBP by David Young.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of David Young may not be used to endorse or promote
16 * products derived from this software without specific prior
17 * written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
22 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL David
23 * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
25 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 */
32
33 #ifndef _DEV_IC_RTWVAR_H_
34 #define _DEV_IC_RTWVAR_H_
35
36 #include <sys/queue.h>
37 #include <sys/callout.h>
38
39 #ifdef RTW_DEBUG
40 #define RTW_DEBUG_TUNE 0x000001
41 #define RTW_DEBUG_PKTFILT 0x000002
42 #define RTW_DEBUG_XMIT 0x000004
43 #define RTW_DEBUG_XMIT_DESC 0x000008
44 #define RTW_DEBUG_NODE 0x000010
45 #define RTW_DEBUG_PWR 0x000020
46 #define RTW_DEBUG_ATTACH 0x000040
47 #define RTW_DEBUG_REGDUMP 0x000080
48 #define RTW_DEBUG_ACCESS 0x000100
49 #define RTW_DEBUG_RESET 0x000200
50 #define RTW_DEBUG_INIT 0x000400
51 #define RTW_DEBUG_IOSTATE 0x000800
52 #define RTW_DEBUG_RECV 0x001000
53 #define RTW_DEBUG_RECV_DESC 0x002000
54 #define RTW_DEBUG_IO_KICK 0x004000
55 #define RTW_DEBUG_INTR 0x008000
56 #define RTW_DEBUG_PHY 0x010000
57 #define RTW_DEBUG_PHYIO 0x020000
58 #define RTW_DEBUG_PHYBITIO 0x040000
59 #define RTW_DEBUG_TIMEOUT 0x080000
60 #define RTW_DEBUG_BUGS 0x100000
61 #define RTW_DEBUG_MAX 0x1fffff
62
63 extern int rtw_debug;
64 #define RTW_DPRINTF(__flags, __x) \
65 if ((rtw_debug & (__flags)) != 0) printf __x
66 #define DPRINTF(__sc, __flags, __x) \
67 if (((__sc)->sc_ic.ic_if.if_flags & IFF_DEBUG) != 0) \
68 RTW_DPRINTF(__flags, __x)
69 #define RTW_PRINT_REGS(__regs, __dvname, __where) \
70 rtw_print_regs((__regs), (__dvname), (__where))
71 #else /* RTW_DEBUG */
72 #define RTW_DPRINTF(__flags, __x)
73 #define DPRINTF(__sc, __flags, __x)
74 #define RTW_PRINT_REGS(__regs, __dvname, __where)
75 #endif /* RTW_DEBUG */
76
77 enum rtw_locale {
78 RTW_LOCALE_USA = 0,
79 RTW_LOCALE_EUROPE,
80 RTW_LOCALE_JAPAN,
81 RTW_LOCALE_UNKNOWN
82 };
83
84 enum rtw_rfchipid {
85 RTW_RFCHIPID_RESERVED = 0,
86 RTW_RFCHIPID_INTERSIL = 1,
87 RTW_RFCHIPID_RFMD = 2,
88 RTW_RFCHIPID_PHILIPS = 3,
89 RTW_RFCHIPID_MAXIM = 4,
90 RTW_RFCHIPID_GCT = 5
91 };
92
93 /* sc_flags */
94 #define RTW_F_ENABLED 0x00000001 /* chip is enabled */
95 #define RTW_F_DIGPHY 0x00000002 /* digital PHY */
96 #define RTW_F_DFLANTB 0x00000004 /* B antenna is default */
97 #define RTW_F_ANTDIV 0x00000010 /* h/w antenna diversity */
98 #define RTW_F_9356SROM 0x00000020 /* 93c56 SROM */
99 #define RTW_F_SLEEP 0x00000040 /* chip is asleep */
100 #define RTW_F_INVALID 0x00000080 /* chip is absent */
101 /* all PHY flags */
102 #define RTW_F_ALLPHY (RTW_F_DIGPHY|RTW_F_DFLANTB|RTW_F_ANTDIV)
103
104 struct rtw_regs {
105 bus_space_tag_t r_bt;
106 bus_space_handle_t r_bh;
107 };
108
109 #define RTW_SR_GET(sr, ofs) \
110 (((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff)
111
112 #define RTW_SR_GET16(sr, ofs) \
113 (RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8))
114
115 struct rtw_srom {
116 uint16_t *sr_content;
117 uint16_t sr_size;
118 };
119
120 struct rtw_rxsoft {
121 struct mbuf *rs_mbuf;
122 bus_dmamap_t rs_dmamap;
123 };
124
125 struct rtw_txsoft {
126 SIMPLEQ_ENTRY(rtw_txsoft) ts_q;
127 struct mbuf *ts_mbuf;
128 bus_dmamap_t ts_dmamap;
129 struct ieee80211_node *ts_ni; /* destination node */
130 u_int ts_first; /* 1st hw descriptor */
131 u_int ts_last; /* last hw descriptor */
132 struct ieee80211_duration ts_d0;
133 struct ieee80211_duration ts_dn;
134 };
135
136 #define RTW_NTXPRI 4 /* number of Tx priorities */
137 #define RTW_TXPRILO 0
138 #define RTW_TXPRIMD 1
139 #define RTW_TXPRIHI 2
140 #define RTW_TXPRIBCN 3 /* beacon priority */
141
142 #define RTW_MAXPKTSEGS 64 /* Max 64 segments per Tx packet */
143
144 #define CASSERT(cond, complaint) complaint[(cond) ? 0 : -1] = complaint[(cond) ? 0 : -1]
145
146 /* Note well: the descriptor rings must begin on RTW_DESC_ALIGNMENT
147 * boundaries. I allocate them consecutively from one buffer, so
148 * just round up.
149 */
150 #define RTW_TXQLENLO 64 /* low-priority queue length */
151 #define RTW_TXQLENMD 64 /* medium-priority */
152 #define RTW_TXQLENHI 64 /* high-priority */
153 #define RTW_TXQLENBCN 1 /* beacon */
154
155 #define RTW_NTXDESCLO RTW_TXQLENLO
156 #define RTW_NTXDESCMD RTW_TXQLENMD
157 #define RTW_NTXDESCHI RTW_TXQLENHI
158 #define RTW_NTXDESCBCN RTW_TXQLENBCN
159
160 #define RTW_NTXDESCTOTAL (RTW_NTXDESCLO + RTW_NTXDESCMD + \
161 RTW_NTXDESCHI + RTW_NTXDESCBCN)
162
163 #define RTW_RXQLEN 64
164
165 struct rtw_rxdesc_blk {
166 struct rtw_rxdesc *rdb_desc;
167 u_int rdb_next;
168 u_int rdb_ndesc;
169 bus_dma_tag_t rdb_dmat;
170 bus_dmamap_t rdb_dmamap;
171 };
172
173 struct rtw_txdesc_blk {
174 u_int tdb_ndesc;
175 u_int tdb_next;
176 u_int tdb_nfree;
177 bus_dma_tag_t tdb_dmat;
178 bus_dmamap_t tdb_dmamap;
179 bus_addr_t tdb_physbase;
180 bus_addr_t tdb_ofs;
181 struct rtw_txdesc *tdb_desc;
182 };
183
184 #define RTW_NEXT_IDX(__htc, __idx) (((__idx) + 1) % (__htc)->tdb_ndesc)
185
186 #define RTW_NEXT_DESC(__htc, __idx) \
187 ((__htc)->tdb_physbase + \
188 sizeof(struct rtw_txdesc) * RTW_NEXT_IDX((__htc), (__idx)))
189
190 SIMPLEQ_HEAD(rtw_txq, rtw_txsoft);
191
192 struct rtw_txsoft_blk {
193 /* dirty/free s/w descriptors */
194 struct rtw_txq tsb_dirtyq;
195 struct rtw_txq tsb_freeq;
196 u_int tsb_ndesc;
197 int tsb_tx_timer;
198 struct rtw_txsoft *tsb_desc;
199 };
200
201 struct rtw_descs {
202 struct rtw_txdesc hd_txlo[RTW_NTXDESCLO];
203 struct rtw_txdesc hd_txmd[RTW_NTXDESCMD];
204 struct rtw_txdesc hd_txhi[RTW_NTXDESCMD];
205 struct rtw_rxdesc hd_rx[RTW_RXQLEN];
206 struct rtw_txdesc hd_bcn[RTW_NTXDESCBCN];
207 };
208 #define RTW_DESC_OFFSET(ring, i) offsetof(struct rtw_descs, ring[i])
209 #define RTW_RING_OFFSET(ring) RTW_DESC_OFFSET(ring, 0)
210 #define RTW_RING_BASE(sc, ring) ((sc)->sc_desc_physaddr + \
211 RTW_RING_OFFSET(ring))
212
213 /* Radio capture format for RTL8180. */
214
215 #define RTW_RX_RADIOTAP_PRESENT \
216 ((1 << IEEE80211_RADIOTAP_TSFT) | \
217 (1 << IEEE80211_RADIOTAP_FLAGS) | \
218 (1 << IEEE80211_RADIOTAP_RATE) | \
219 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
220 (1 << IEEE80211_RADIOTAP_LOCK_QUALITY) | \
221 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
222 0)
223
224 struct rtw_rx_radiotap_header {
225 struct ieee80211_radiotap_header rr_ihdr;
226 uint64_t rr_tsft;
227 uint8_t rr_flags;
228 uint8_t rr_rate;
229 uint16_t rr_chan_freq;
230 uint16_t rr_chan_flags;
231 uint16_t rr_barker_lock;
232 uint8_t rr_antsignal;
233 } __attribute__((__packed__));
234
235 #define RTW_TX_RADIOTAP_PRESENT \
236 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
237 (1 << IEEE80211_RADIOTAP_RATE) | \
238 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
239 0)
240
241 struct rtw_tx_radiotap_header {
242 struct ieee80211_radiotap_header rt_ihdr;
243 uint8_t rt_flags;
244 uint8_t rt_rate;
245 uint16_t rt_chan_freq;
246 uint16_t rt_chan_flags;
247 } __attribute__((__packed__));
248
249 enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE,
250 FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE,
251 FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM,
252 FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_TXDESCBLK_SETUP,
253 FINISH_TXCTLBLK_SETUP, DETACHED};
254
255 struct rtw_hooks {
256 void *rh_shutdown; /* shutdown hook */
257 void *rh_power; /* power management hook */
258 };
259
260 struct rtw_mtbl {
261 int (*mt_newstate)(struct ieee80211com *,
262 enum ieee80211_state, int);
263 void (*mt_recv_mgmt)(struct ieee80211com *,
264 struct mbuf *, struct ieee80211_node *,
265 int, int, uint32_t);
266 struct ieee80211_node *(*mt_node_alloc)(struct ieee80211com *);
267 void (*mt_node_free)(struct ieee80211com *,
268 struct ieee80211_node *);
269 };
270
271 enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON };
272
273 typedef void (*rtw_continuous_tx_cb_t)(void *arg, int);
274
275 struct rtw_phy {
276 struct rtw_rf *p_rf;
277 struct rtw_regs *p_regs;
278 };
279
280 struct rtw_bbpset {
281 u_int bb_antatten;
282 u_int bb_chestlim;
283 u_int bb_chsqlim;
284 u_int bb_ifagcdet;
285 u_int bb_ifagcini;
286 u_int bb_ifagclimit;
287 u_int bb_lnadet;
288 u_int bb_sys1;
289 u_int bb_sys2;
290 u_int bb_sys3;
291 u_int bb_trl;
292 u_int bb_txagc;
293 };
294
295 struct rtw_rf {
296 void (*rf_destroy)(struct rtw_rf *);
297 /* args: frequency, txpower, power state */
298 int (*rf_init)(struct rtw_rf *, u_int, uint8_t,
299 enum rtw_pwrstate);
300 /* arg: power state */
301 int (*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate);
302 /* arg: frequency */
303 int (*rf_tune)(struct rtw_rf *, u_int);
304 /* arg: txpower */
305 int (*rf_txpower)(struct rtw_rf *, uint8_t);
306 rtw_continuous_tx_cb_t rf_continuous_tx_cb;
307 void *rf_continuous_tx_arg;
308 struct rtw_bbpset rf_bbpset;
309 };
310
311 static __inline void
312 rtw_rf_destroy(struct rtw_rf *rf)
313 {
314 (*rf->rf_destroy)(rf);
315 }
316
317 static __inline int
318 rtw_rf_init(struct rtw_rf *rf, u_int freq, uint8_t opaque_txpower,
319 enum rtw_pwrstate power)
320 {
321 return (*rf->rf_init)(rf, freq, opaque_txpower, power);
322 }
323
324 static __inline int
325 rtw_rf_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power)
326 {
327 return (*rf->rf_pwrstate)(rf, power);
328 }
329
330 static __inline int
331 rtw_rf_tune(struct rtw_rf *rf, u_int freq)
332 {
333 return (*rf->rf_tune)(rf, freq);
334 }
335
336 static __inline int
337 rtw_rf_txpower(struct rtw_rf *rf, uint8_t opaque_txpower)
338 {
339 return (*rf->rf_txpower)(rf, opaque_txpower);
340 }
341
342 typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, u_int,
343 uint32_t);
344
345 struct rtw_rfbus {
346 struct rtw_regs *b_regs;
347 rtw_rf_write_t b_write;
348 };
349
350 static __inline int
351 rtw_rfbus_write(struct rtw_rfbus *bus, enum rtw_rfchipid rfchipid, u_int addr,
352 uint32_t val)
353 {
354 return (*bus->b_write)(bus->b_regs, rfchipid, addr, val);
355 }
356
357 struct rtw_max2820 {
358 struct rtw_rf mx_rf;
359 struct rtw_rfbus mx_bus;
360 int mx_is_a; /* 1: MAX2820A/MAX2821A */
361 };
362
363 struct rtw_sa2400 {
364 struct rtw_rf sa_rf;
365 struct rtw_rfbus sa_bus;
366 int sa_digphy; /* 1: digital PHY */
367 };
368
369 typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int, int);
370
371 enum rtw_access {RTW_ACCESS_NONE = 0,
372 RTW_ACCESS_CONFIG = 1,
373 RTW_ACCESS_ANAPARM = 2};
374
375 struct rtw_softc {
376 struct device sc_dev;
377 struct ieee80211com sc_ic;
378 struct rtw_regs sc_regs;
379 bus_dma_tag_t sc_dmat;
380 uint32_t sc_flags;
381
382 enum rtw_attach_state sc_attach_state;
383 enum rtw_rfchipid sc_rfchipid;
384 enum rtw_locale sc_locale;
385 uint8_t sc_phydelay;
386
387 /* s/w Tx/Rx descriptors */
388 struct rtw_txsoft_blk sc_txsoft_blk[RTW_NTXPRI];
389 struct rtw_txdesc_blk sc_txdesc_blk[RTW_NTXPRI];
390
391 struct rtw_rxsoft sc_rxsoft[RTW_RXQLEN];
392 struct rtw_rxdesc_blk sc_rxdesc_blk;
393
394 struct rtw_descs *sc_descs;
395
396 bus_dma_segment_t sc_desc_segs;
397 int sc_desc_nsegs;
398 bus_dmamap_t sc_desc_dmamap;
399 #define sc_desc_physaddr sc_desc_dmamap->dm_segs[0].ds_addr
400
401 struct rtw_srom sc_srom;
402
403 enum rtw_pwrstate sc_pwrstate;
404
405 rtw_pwrstate_t sc_pwrstate_cb;
406
407 struct rtw_rf *sc_rf;
408
409 uint16_t sc_inten;
410
411 /* interrupt acknowledge hook */
412 void (*sc_intr_ack) __P((struct rtw_regs *));
413
414 int (*sc_enable)(struct rtw_softc *);
415 void (*sc_disable)(struct rtw_softc *);
416 void (*sc_power)(struct rtw_softc *, int);
417 struct rtw_mtbl sc_mtbl;
418 struct rtw_hooks sc_hooks;
419
420 caddr_t sc_radiobpf;
421
422 struct callout sc_scan_ch;
423 u_int sc_cur_chan;
424
425 uint32_t sc_tsfth; /* most significant TSFT bits */
426 uint32_t sc_rcr; /* RTW_RCR */
427 uint8_t sc_csthr; /* carrier-sense threshold */
428
429 int sc_do_tick; /* indicate 1s ticks */
430 struct timeval sc_tick0; /* first tick */
431
432 uint8_t sc_rev; /* PCI/Cardbus revision */
433
434 uint32_t sc_anaparm; /* register RTW_ANAPARM */
435
436 union {
437 struct rtw_rx_radiotap_header tap;
438 uint8_t pad[64];
439 } sc_rxtapu;
440 union {
441 struct rtw_tx_radiotap_header tap;
442 uint8_t pad[64];
443 } sc_txtapu;
444 enum rtw_access sc_access;
445 };
446
447 #define sc_if sc_ic.ic_if
448 #define sc_rxtap sc_rxtapu.tap
449 #define sc_txtap sc_txtapu.tap
450
451 extern int rtw_host_rfio;
452
453 void rtw_txdac_enable(struct rtw_softc *, int);
454 void rtw_anaparm_enable(struct rtw_regs *, int);
455 void rtw_config0123_enable(struct rtw_regs *, int);
456 void rtw_continuous_tx_enable(struct rtw_softc *, int);
457 void rtw_set_access(struct rtw_softc *, enum rtw_access);
458
459 void rtw_attach(struct rtw_softc *);
460 int rtw_detach(struct rtw_softc *);
461 int rtw_intr(void *);
462
463 void rtw_disable(struct rtw_softc *);
464 int rtw_enable(struct rtw_softc *);
465
466 int rtw_activate(struct device *, enum devact);
467 void rtw_power(int, void *);
468 void rtw_shutdown(void *);
469
470 const char *rtw_pwrstate_string(enum rtw_pwrstate);
471
472 #endif /* _DEV_IC_RTWVAR_H_ */
473