rtwvar.h revision 1.9 1 /* $NetBSD: rtwvar.h,v 1.9 2004/12/25 07:45:53 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 #else /* RTW_DEBUG */
70 #define RTW_DPRINTF(__x)
71 #define DPRINTF(__sc, __x)
72 #endif /* RTW_DEBUG */
73
74 #if 0
75 enum rtw_rftype {
76 RTW_RFTYPE_INTERSIL = 0,
77 RTW_RFTYPE_RFMD,
78 RTW_RFTYPE_PHILIPS,
79 RTW_RFTYPE_MAXIM
80 };
81 #endif
82
83 enum rtw_locale {
84 RTW_LOCALE_USA = 0,
85 RTW_LOCALE_EUROPE,
86 RTW_LOCALE_JAPAN,
87 RTW_LOCALE_UNKNOWN
88 };
89
90 enum rtw_rfchipid {
91 RTW_RFCHIPID_RESERVED = 0,
92 RTW_RFCHIPID_INTERSIL = 1,
93 RTW_RFCHIPID_RFMD = 2,
94 RTW_RFCHIPID_PHILIPS = 3,
95 RTW_RFCHIPID_MAXIM = 4,
96 RTW_RFCHIPID_GCT = 5
97 };
98
99 /* sc_flags */
100 #define RTW_F_ENABLED 0x00000001 /* chip is enabled */
101 #define RTW_F_DIGPHY 0x00000002 /* digital PHY */
102 #define RTW_F_DFLANTB 0x00000004 /* B antenna is default */
103 #define RTW_F_ANTDIV 0x00000010 /* h/w antenna diversity */
104 #define RTW_F_9356SROM 0x00000020 /* 93c56 SROM */
105 #define RTW_F_SLEEP 0x00000040 /* chip is asleep */
106 #define RTW_F_INVALID 0x00000080 /* chip is absent */
107 /* all PHY flags */
108 #define RTW_F_ALLPHY (RTW_F_DIGPHY|RTW_F_DFLANTB|RTW_F_ANTDIV)
109
110 struct rtw_regs {
111 bus_space_tag_t r_bt;
112 bus_space_handle_t r_bh;
113 };
114
115 #define RTW_SR_GET(sr, ofs) \
116 (((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff)
117
118 #define RTW_SR_GET16(sr, ofs) \
119 (RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8))
120
121 struct rtw_srom {
122 u_int16_t *sr_content;
123 u_int16_t sr_size;
124 };
125
126 struct rtw_rxctl {
127 struct mbuf *srx_mbuf;
128 bus_dmamap_t srx_dmamap;
129 };
130
131 struct rtw_txctl {
132 SIMPLEQ_ENTRY(rtw_txctl) stx_q;
133 struct mbuf *stx_mbuf;
134 bus_dmamap_t stx_dmamap;
135 struct ieee80211_node *stx_ni; /* destination node */
136 u_int stx_first; /* 1st hw descriptor */
137 u_int stx_last; /* last hw descriptor */
138 struct ieee80211_duration stx_d0;
139 struct ieee80211_duration stx_dn;
140 };
141
142 #define RTW_NTXPRI 4 /* number of Tx priorities */
143 #define RTW_TXPRILO 0
144 #define RTW_TXPRIMD 1
145 #define RTW_TXPRIHI 2
146 #define RTW_TXPRIBCN 3 /* beacon priority */
147
148 #define RTW_MAXPKTSEGS 64 /* Max 64 segments per Tx packet */
149
150 #define CASSERT(cond, complaint) complaint[(cond) ? 0 : -1] = complaint[(cond) ? 0 : -1]
151
152 /* Note well: the descriptor rings must begin on RTW_DESC_ALIGNMENT
153 * boundaries. I allocate them consecutively from one buffer, so
154 * just round up.
155 */
156 #define RTW_TXQLENLO 64 /* low-priority queue length */
157 #define RTW_TXQLENMD 64 /* medium-priority */
158 #define RTW_TXQLENHI 64 /* high-priority */
159 #define RTW_TXQLENBCN 1 /* beacon */
160
161 #define RTW_NTXDESCLO RTW_TXQLENLO
162 #define RTW_NTXDESCMD RTW_TXQLENMD
163 #define RTW_NTXDESCHI RTW_TXQLENHI
164 #define RTW_NTXDESCBCN RTW_TXQLENBCN
165
166 #define RTW_NTXDESCTOTAL (RTW_NTXDESCLO + RTW_NTXDESCMD + \
167 RTW_NTXDESCHI + RTW_NTXDESCBCN)
168
169 #define RTW_RXQLEN 64
170
171 struct rtw_txdesc_blk {
172 u_int htc_ndesc;
173 u_int htc_next;
174 u_int htc_nfree;
175 bus_addr_t htc_physbase;
176 bus_addr_t htc_ofs;
177 struct rtw_txdesc *htc_desc;
178 };
179
180 #define RTW_NEXT_IDX(__htc, __idx) (((__idx) + 1) % (__htc)->htc_ndesc)
181
182 #define RTW_NEXT_DESC(__htc, __idx) \
183 ((__htc)->htc_physbase + \
184 sizeof(struct rtw_txdesc) * RTW_NEXT_IDX((__htc), (__idx)))
185
186 SIMPLEQ_HEAD(rtw_txq, rtw_txctl);
187
188 struct rtw_txctl_blk {
189 /* dirty/free s/w descriptors */
190 struct rtw_txq stc_dirtyq;
191 struct rtw_txq stc_freeq;
192 u_int stc_ndesc;
193 int stc_tx_timer;
194 struct rtw_txctl *stc_desc;
195 };
196
197 struct rtw_descs {
198 struct rtw_txdesc hd_txlo[RTW_NTXDESCLO];
199 struct rtw_txdesc hd_txmd[RTW_NTXDESCMD];
200 struct rtw_txdesc hd_txhi[RTW_NTXDESCMD];
201 struct rtw_rxdesc hd_rx[RTW_RXQLEN];
202 struct rtw_txdesc hd_bcn[RTW_NTXDESCBCN];
203 };
204 #define RTW_DESC_OFFSET(ring, i) offsetof(struct rtw_descs, ring[i])
205 #define RTW_RING_OFFSET(ring) RTW_DESC_OFFSET(ring, 0)
206 #define RTW_RING_BASE(sc, ring) ((sc)->sc_desc_physaddr + \
207 RTW_RING_OFFSET(ring))
208
209 /* Radio capture format for RTL8180. */
210
211 #define RTW_RX_RADIOTAP_PRESENT \
212 ((1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE) | \
213 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
214 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
215
216 struct rtw_rx_radiotap_header {
217 struct ieee80211_radiotap_header rr_ihdr;
218 u_int8_t rr_flags;
219 u_int8_t rr_rate;
220 u_int16_t rr_chan_freq;
221 u_int16_t rr_chan_flags;
222 u_int8_t rr_antsignal;
223 } __attribute__((__packed__));
224
225 #define RTW_TX_RADIOTAP_PRESENT ((1 << IEEE80211_RADIOTAP_FLAGS) | \
226 (1 << IEEE80211_RADIOTAP_RATE) | \
227 (1 << IEEE80211_RADIOTAP_CHANNEL))
228
229 struct rtw_tx_radiotap_header {
230 struct ieee80211_radiotap_header rt_ihdr;
231 u_int8_t rt_flags;
232 u_int8_t rt_rate;
233 u_int16_t rt_chan_freq;
234 u_int16_t rt_chan_flags;
235 } __attribute__((__packed__));
236
237 enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE,
238 FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE,
239 FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM,
240 FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_TXDESCBLK_SETUP,
241 FINISH_TXCTLBLK_SETUP, DETACHED};
242
243 struct rtw_hooks {
244 void *rh_shutdown; /* shutdown hook */
245 void *rh_power; /* power management hook */
246 };
247
248 struct rtw_mtbl {
249 int (*mt_newstate)(struct ieee80211com *,
250 enum ieee80211_state, int);
251 void (*mt_recv_mgmt)(struct ieee80211com *,
252 struct mbuf *, struct ieee80211_node *,
253 int, int, u_int32_t);
254 struct ieee80211_node *(*mt_node_alloc)(struct ieee80211com *);
255 void (*mt_node_free)(struct ieee80211com *,
256 struct ieee80211_node *);
257 };
258
259 enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON };
260
261 typedef void (*rtw_continuous_tx_cb_t)(void *arg, int);
262
263 struct rtw_phy {
264 struct rtw_rf *p_rf;
265 struct rtw_regs *p_regs;
266 };
267
268 struct rtw_bbpset {
269 u_int bb_antatten;
270 u_int bb_chestlim;
271 u_int bb_chsqlim;
272 u_int bb_ifagcdet;
273 u_int bb_ifagcini;
274 u_int bb_ifagclimit;
275 u_int bb_lnadet;
276 u_int bb_sys1;
277 u_int bb_sys2;
278 u_int bb_sys3;
279 u_int bb_trl;
280 u_int bb_txagc;
281 };
282
283 struct rtw_rf {
284 void (*rf_destroy)(struct rtw_rf *);
285 /* args: frequency, txpower, power state */
286 int (*rf_init)(struct rtw_rf *, u_int, u_int8_t,
287 enum rtw_pwrstate);
288 /* arg: power state */
289 int (*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate);
290 /* arg: frequency */
291 int (*rf_tune)(struct rtw_rf *, u_int);
292 /* arg: txpower */
293 int (*rf_txpower)(struct rtw_rf *, u_int8_t);
294 rtw_continuous_tx_cb_t rf_continuous_tx_cb;
295 void *rf_continuous_tx_arg;
296 struct rtw_bbpset rf_bbpset;
297 };
298
299 static __inline void
300 rtw_rf_destroy(struct rtw_rf *rf)
301 {
302 (*rf->rf_destroy)(rf);
303 }
304
305 static __inline int
306 rtw_rf_init(struct rtw_rf *rf, u_int freq, u_int8_t opaque_txpower,
307 enum rtw_pwrstate power)
308 {
309 return (*rf->rf_init)(rf, freq, opaque_txpower, power);
310 }
311
312 static __inline int
313 rtw_rf_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power)
314 {
315 return (*rf->rf_pwrstate)(rf, power);
316 }
317
318 static __inline int
319 rtw_rf_tune(struct rtw_rf *rf, u_int freq)
320 {
321 return (*rf->rf_tune)(rf, freq);
322 }
323
324 static __inline int
325 rtw_rf_txpower(struct rtw_rf *rf, u_int8_t opaque_txpower)
326 {
327 return (*rf->rf_txpower)(rf, opaque_txpower);
328 }
329
330 typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, u_int,
331 u_int32_t);
332
333 struct rtw_rfbus {
334 struct rtw_regs *b_regs;
335 rtw_rf_write_t b_write;
336 };
337
338 static __inline int
339 rtw_rfbus_write(struct rtw_rfbus *bus, enum rtw_rfchipid rfchipid, u_int addr,
340 u_int32_t val)
341 {
342 return (*bus->b_write)(bus->b_regs, rfchipid, addr, val);
343 }
344
345 struct rtw_max2820 {
346 struct rtw_rf mx_rf;
347 struct rtw_rfbus mx_bus;
348 int mx_is_a; /* 1: MAX2820A/MAX2821A */
349 };
350
351 struct rtw_sa2400 {
352 struct rtw_rf sa_rf;
353 struct rtw_rfbus sa_bus;
354 int sa_digphy; /* 1: digital PHY */
355 };
356
357 typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int, int);
358
359 enum rtw_access {RTW_ACCESS_NONE = 0,
360 RTW_ACCESS_CONFIG = 1,
361 RTW_ACCESS_ANAPARM = 2};
362
363 struct rtw_softc {
364 struct device sc_dev;
365 struct ieee80211com sc_ic;
366 struct rtw_regs sc_regs;
367 bus_dma_tag_t sc_dmat;
368 u_int32_t sc_flags;
369
370 #if 0
371 enum rtw_rftype sc_rftype;
372 #endif
373 enum rtw_attach_state sc_attach_state;
374 enum rtw_rfchipid sc_rfchipid;
375 enum rtw_locale sc_locale;
376 u_int8_t sc_phydelay;
377
378 /* s/w Tx/Rx descriptors */
379 struct rtw_txctl_blk sc_txctl_blk[RTW_NTXPRI];
380 struct rtw_rxctl sc_rxctl[RTW_RXQLEN];
381 u_int sc_txq;
382 u_int sc_txnext;
383
384 struct rtw_txdesc_blk sc_txdesc_blk[RTW_NTXPRI];
385 struct rtw_rxdesc *sc_rxdesc;
386 u_int sc_rxnext;
387
388 struct rtw_descs *sc_descs;
389
390 bus_dma_segment_t sc_desc_segs;
391 int sc_desc_nsegs;
392 bus_dmamap_t sc_desc_dmamap;
393 #define sc_desc_physaddr sc_desc_dmamap->dm_segs[0].ds_addr
394
395 struct rtw_srom sc_srom;
396
397 enum rtw_pwrstate sc_pwrstate;
398
399 rtw_pwrstate_t sc_pwrstate_cb;
400
401 struct rtw_rf *sc_rf;
402
403 u_int16_t sc_inten;
404
405 /* interrupt acknowledge hook */
406 void (*sc_intr_ack) __P((struct rtw_regs *));
407
408 int (*sc_enable)(struct rtw_softc *);
409 void (*sc_disable)(struct rtw_softc *);
410 void (*sc_power)(struct rtw_softc *, int);
411 struct rtw_mtbl sc_mtbl;
412 struct rtw_hooks sc_hooks;
413
414 caddr_t sc_radiobpf;
415
416 struct callout sc_scan_ch;
417 u_int sc_cur_chan;
418
419 u_int32_t sc_tsfth; /* most significant TSFT bits */
420 u_int32_t sc_rcr; /* RTW_RCR */
421 u_int8_t sc_csthr; /* carrier-sense threshold */
422
423 int sc_do_tick; /* indicate 1s ticks */
424 struct timeval sc_tick0; /* first tick */
425
426 uint8_t sc_rev; /* PCI/Cardbus revision */
427
428 uint32_t sc_anaparm; /* register RTW_ANAPARM */
429
430 union {
431 struct rtw_rx_radiotap_header tap;
432 u_int8_t pad[64];
433 } sc_rxtapu;
434 union {
435 struct rtw_tx_radiotap_header tap;
436 u_int8_t pad[64];
437 } sc_txtapu;
438 enum rtw_access sc_access;
439 };
440
441 #define sc_if sc_ic.ic_if
442 #define sc_rxtap sc_rxtapu.tap
443 #define sc_txtap sc_txtapu.tap
444
445 extern int rtw_host_rfio;
446 extern int rtw_flush_rfio;
447 extern int rtw_rfio_delay;
448
449 void rtw_txdac_enable(struct rtw_softc *, int);
450 void rtw_anaparm_enable(struct rtw_regs *, int);
451 void rtw_config0123_enable(struct rtw_regs *, int);
452 void rtw_continuous_tx_enable(struct rtw_softc *, int);
453 void rtw_set_access(struct rtw_softc *, enum rtw_access);
454
455 void rtw_attach(struct rtw_softc *);
456 int rtw_detach(struct rtw_softc *);
457 int rtw_intr(void *);
458
459 void rtw_disable(struct rtw_softc *);
460 int rtw_enable(struct rtw_softc *);
461
462 int rtw_activate(struct device *, enum devact);
463 void rtw_power(int, void *);
464 void rtw_shutdown(void *);
465
466 const char *rtw_pwrstate_string(enum rtw_pwrstate);
467
468 #endif /* _DEV_IC_RTWVAR_H_ */
469