xref: /titanic_50/usr/src/uts/common/io/rtw/rtwvar.h (revision 44743693dce3212f5edba623e0cb0327bd4337a3)
1 /*
2  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 /*
6  * Copyright (c) 2004, 2005 David Young.  All rights reserved.
7  *
8  * Driver for the Realtek RTL8180 802.11 MAC/BBP by David Young.
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  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. The name of David Young may not be used to endorse or promote
19  *    products derived from this software without specific prior
20  *    written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
23  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
25  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL David
26  * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
28  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
33  * OF SUCH DAMAGE.
34  */
35 
36 #pragma ident	"%Z%%M%	%I%	%E% SMI"
37 
38 #ifndef _RTWVAR_H_
39 #define	_RTWVAR_H_
40 
41 #include <sys/list.h>
42 #include <sys/net80211.h>
43 
44 #ifndef __func__
45 #define	__func__ ""
46 #endif
47 
48 extern void rtw_dbg(uint32_t dbg_flags, const int8_t *fmt, ...);
49 
50 #define	RTW_DEBUG_TUNE		0x000001
51 #define	RTW_DEBUG_PKTFILT	0x000002
52 #define	RTW_DEBUG_XMIT		0x000004
53 #define	RTW_DEBUG_DMA		0x000008
54 #define	RTW_DEBUG_NODE		0x000010
55 #define	RTW_DEBUG_PWR		0x000020
56 #define	RTW_DEBUG_ATTACH	0x000040
57 #define	RTW_DEBUG_REGDUMP	0x000080
58 #define	RTW_DEBUG_ACCESS	0x000100
59 #define	RTW_DEBUG_RESET		0x000200
60 #define	RTW_DEBUG_INIT		0x000400
61 #define	RTW_DEBUG_PKTDUMP	0x000800
62 #define	RTW_DEBUG_RECV		0x001000
63 #define	RTW_DEBUG_RECV_DESC	0x002000
64 #define	RTW_DEBUG_IOSTATE	0x004000
65 #define	RTW_DEBUG_INTR		0x008000
66 #define	RTW_DEBUG_PHY		0x010000
67 #define	RTW_DEBUG_PHYIO		0x020000
68 #define	RTW_DEBUG_PHYBITIO	0x040000
69 #define	RTW_DEBUG_TIMEOUT	0x080000
70 #define	RTW_DEBUG_BUGS		0x100000
71 #define	RTW_DEBUG_BEACON	0x200000
72 #define	RTW_DEBUG_WIFICFG	0x400000
73 #define	RTW_DEBUG_80211		0x800000
74 #define	RTW_DEBUG_MAX		0xffffff
75 
76 #ifdef DEBUG
77 #define	RTW_DPRINTF \
78 	rtw_dbg
79 #else /* DEBUG */
80 #define	RTW_DPRINTF
81 #endif /* DEBUG */
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 /*
100  * sc_flags
101  */
102 #define	RTW_F_ENABLED		0x00000001	/* chip is enabled */
103 #define	RTW_F_DIGPHY		0x00000002	/* digital PHY */
104 #define	RTW_F_DFLANTB		0x00000004	/* B antenna is default */
105 #define	RTW_F_ANTDIV		0x00000010	/* h/w antenna diversity */
106 #define	RTW_F_9356SROM		0x00000020	/* 93c56 SROM */
107 #define	RTW_F_SLEEP		0x00000040	/* chip is asleep */
108 #define	RTW_F_INVALID		0x00000080	/* chip is absent */
109 #define	RTW_F_ATTACHED		0x01000000	/* driver is attached */
110 /*
111  * all PHY flags
112  */
113 #define	RTW_F_ALLPHY		(RTW_F_DIGPHY|RTW_F_DFLANTB|RTW_F_ANTDIV)
114 
115 enum rtw_access {RTW_ACCESS_NONE = 0,
116 		RTW_ACCESS_CONFIG = 1,
117 		RTW_ACCESS_ANAPARM = 2};
118 
119 struct rtw_regs {
120 	ddi_acc_handle_t	r_handle;
121 	caddr_t			r_base;
122 	enum rtw_access		r_access;
123 };
124 
125 #define	RTW_SR_GET(sr, ofs) \
126 	(((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff)
127 
128 #define	RTW_SR_GET16(sr, ofs) \
129 	(RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8))
130 
131 struct rtw_srom {
132 	uint16_t		*sr_content;
133 	uint16_t		sr_size;
134 };
135 
136 
137 #define	RTW_NTXPRI	4	/* number of Tx priorities */
138 #define	RTW_TXPRILO	0
139 #define	RTW_TXPRIMD	1
140 #define	RTW_TXPRIHI	2
141 #define	RTW_TXPRIBCN	3	/* beacon priority */
142 
143 #define	RTW_MAXPKTSEGS		64	/* Max 64 segments per Tx packet */
144 
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	2	/* 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 #define	RTW_DMA_SYNC(area, flag) ((void) ddi_dma_sync((area).dma_hdl,\
165 	(area).offset, (area).alength, (flag)))
166 
167 #define	RTW_DMA_SYNC_DESC(area, offset, len, flag) \
168 	((void) ddi_dma_sync((area).dma_hdl, offset, len, (flag)))
169 
170 #define	RTW_MINC(x, y) (x) = ((x + 1) % y)
171 #define	list_empty(a) ((a)->list_head.list_next == &(a)->list_head)
172 
173 typedef struct dma_area {
174 	ddi_acc_handle_t	acc_hdl;	/* handle for memory */
175 	caddr_t			mem_va;		/* CPU VA of memory */
176 	uint32_t		nslots;		/* number of slots */
177 	uint32_t		size;		/* size per slot */
178 	size_t			alength;	/* allocated size */
179 						/* >= product of above */
180 
181 	ddi_dma_handle_t	dma_hdl;	/* DMA handle */
182 	offset_t		offset;		/* relative to handle */
183 	ddi_dma_cookie_t	cookie;		/* associated cookie */
184 	uint32_t		ncookies;	/* must be 1 */
185 	uint32_t		token;		/* arbitrary identifier */
186 } dma_area_t;						/* 0x50 (80) bytes */
187 
188 struct rtw_txbuf {
189 	struct rtw_txdesc	*txdesc;	/* virtual addr of desc */
190 	uint32_t		bf_daddr;	/* physical addr of desc */
191 	uint32_t		next_bf_daddr;	/* physical addr of next desc */
192 	dma_area_t		bf_dma;		/* dma area for buf */
193 	struct ieee80211_node	*bf_in;		/* pointer to the node */
194 	list_node_t		bf_node;
195 	uint32_t		order;
196 };
197 
198 struct rtw_rxbuf {
199 	struct rtw_rxdesc	*rxdesc;	/* virtual addr of desc */
200 	uint32_t		bf_daddr;	/* physical addr of desc */
201 	dma_area_t		bf_dma;		/* dma area for buf */
202 };
203 
204 struct rtw_txq {
205 	struct	rtw_txdesc	*txdesc_h;
206 	struct	rtw_txbuf	*txbuf_h;
207 	uint32_t		tx_prod;
208 	uint32_t		tx_cons;
209 	uint32_t		tx_nfree;
210 	kmutex_t		txbuf_lock;
211 	list_t			tx_free_list;
212 	list_t			tx_dirty_list;
213 };
214 
215 struct rtw_descs {
216 	struct rtw_txdesc	hd_txlo[RTW_NTXDESCLO];
217 	struct rtw_txdesc	hd_txmd[RTW_NTXDESCMD];
218 	struct rtw_txdesc	hd_txhi[RTW_NTXDESCHI];
219 	struct rtw_rxdesc	hd_rx[RTW_RXQLEN];
220 	struct rtw_txdesc	hd_bcn[RTW_NTXDESCBCN];
221 };
222 #define	RTW_DESC_OFFSET(ring, i)	offsetof(struct rtw_descs, ring[i])
223 #define	RTW_RING_OFFSET(ring)		RTW_DESC_OFFSET(ring, 0)
224 #define	RTW_RING_BASE(baseaddr0, ring) \
225 	(baseaddr0 + RTW_RING_OFFSET(ring))
226 
227 /*
228  * One Time Unit (TU) is 1Kus = 1024 microseconds.
229  */
230 #define	IEEE80211_DUR_TU		1024
231 
232 /*
233  * IEEE 802.11b durations for DSSS PHY in microseconds
234  */
235 #define	IEEE80211_DUR_DS_LONG_PREAMBLE	144
236 #define	IEEE80211_DUR_DS_SHORT_PREAMBLE	72
237 
238 #define	IEEE80211_DUR_DS_SLOW_PLCPHDR	48
239 #define	IEEE80211_DUR_DS_FAST_PLCPHDR	24
240 #define	IEEE80211_DUR_DS_SLOW_ACK	112
241 #define	IEEE80211_DUR_DS_FAST_ACK	56
242 #define	IEEE80211_DUR_DS_SLOW_CTS	112
243 #define	IEEE80211_DUR_DS_FAST_CTS	56
244 
245 #define	IEEE80211_DUR_DS_SLOT		20
246 #define	IEEE80211_DUR_DS_SIFS		10
247 #define	IEEE80211_DUR_DS_PIFS	(IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
248 #define	IEEE80211_DUR_DS_DIFS	(IEEE80211_DUR_DS_SIFS + \
249 				2 * IEEE80211_DUR_DS_SLOT)
250 #define	IEEE80211_DUR_DS_EIFS	(IEEE80211_DUR_DS_SIFS + \
251 				IEEE80211_DUR_DS_SLOW_ACK + \
252 				IEEE80211_DUR_DS_LONG_PREAMBLE + \
253 				IEEE80211_DUR_DS_SLOW_PLCPHDR + \
254 				IEEE80211_DUR_DIFS)
255 
256 /*
257  * 802.11 frame duration definitions.
258  */
259 struct rtw_ieee80211_duration {
260 	uint16_t	d_rts_dur;
261 	uint16_t	d_data_dur;
262 	uint16_t	d_plcp_len;
263 	uint8_t		d_residue;	/* unused octets in time slot */
264 	uint8_t		resv;
265 };
266 
267 
268 #ifdef RTW_RADIOTAP
269 /*
270  * Radio capture format for RTL8180.
271  */
272 
273 #define	RTW_RX_RADIOTAP_PRESENT					\
274 	((1 << IEEE80211_RADIOTAP_TSFT)			|	\
275 	(1 << IEEE80211_RADIOTAP_FLAGS)		|	\
276 	(1 << IEEE80211_RADIOTAP_RATE)			|	\
277 	(1 << IEEE80211_RADIOTAP_CHANNEL)		|	\
278 	(1 << IEEE80211_RADIOTAP_LOCK_QUALITY)		|	\
279 	(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)		|	\
280 	0)
281 
282 struct rtw_rx_radiotap_header {
283 	struct ieee80211_radiotap_header	rr_ihdr;
284 	uint64_t				rr_tsft;
285 	uint8_t				rr_flags;
286 	uint8_t				rr_rate;
287 	uint16_t				rr_chan_freq;
288 	uint16_t				rr_chan_flags;
289 	uint16_t				rr_barker_lock;
290 	uint8_t				rr_antsignal;
291 } __attribute__((__packed__));
292 
293 #define	RTW_TX_RADIOTAP_PRESENT				\
294 	((1 << IEEE80211_RADIOTAP_FLAGS)	|	\
295 	(1 << IEEE80211_RADIOTAP_RATE)		|	\
296 	(1 << IEEE80211_RADIOTAP_CHANNEL)	|	\
297 	0)
298 
299 struct rtw_tx_radiotap_header {
300 	struct ieee80211_radiotap_header	rt_ihdr;
301 	uint8_t				rt_flags;
302 	uint8_t				rt_rate;
303 	uint16_t				rt_chan_freq;
304 	uint16_t				rt_chan_flags;
305 } __attribute__((__packed__));
306 #endif
307 
308 enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE,
309 	FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE,
310 	FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM,
311 	FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_TXDESCBLK_SETUP,
312 	FINISH_TXCTLBLK_SETUP, DETACHED};
313 
314 struct rtw_hooks {
315 	void			*rh_shutdown;	/* shutdown hook */
316 	void			*rh_power;	/* power management hook */
317 };
318 
319 enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON };
320 
321 typedef void (*rtw_continuous_tx_cb_t)(void *arg, int);
322 
323 struct rtw_phy {
324 	struct rtw_rf	*p_rf;
325 	struct rtw_regs	*p_regs;
326 };
327 
328 struct rtw_bbpset {
329 	uint_t	bb_antatten;
330 	uint_t	bb_chestlim;
331 	uint_t	bb_chsqlim;
332 	uint_t	bb_ifagcdet;
333 	uint_t	bb_ifagcini;
334 	uint_t	bb_ifagclimit;
335 	uint_t	bb_lnadet;
336 	uint_t	bb_sys1;
337 	uint_t	bb_sys2;
338 	uint_t	bb_sys3;
339 	uint_t	bb_trl;
340 	uint_t	bb_txagc;
341 };
342 
343 struct rtw_rf {
344 	void	(*rf_destroy)(struct rtw_rf *);
345 	/*
346 	 * args: frequency, txpower, power state
347 	 */
348 	int	(*rf_init)(struct rtw_rf *, uint_t, uint8_t, enum rtw_pwrstate);
349 	/*
350 	 * arg: power state
351 	 */
352 	int	(*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate);
353 	/*
354 	 * arg: frequency
355 	 */
356 	int	(*rf_tune)(struct rtw_rf *, uint_t);
357 	/*
358 	 * arg: txpower
359 	 */
360 	int	(*rf_txpower)(struct rtw_rf *, uint8_t);
361 	rtw_continuous_tx_cb_t	rf_continuous_tx_cb;
362 	void			*rf_continuous_tx_arg;
363 	struct rtw_bbpset	rf_bbpset;
364 };
365 
366 typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, uint_t,
367     uint32_t);
368 
369 struct rtw_rfbus {
370 	struct rtw_regs		*b_regs;
371 	rtw_rf_write_t		b_write;
372 };
373 
374 struct rtw_max2820 {
375 	struct rtw_rf		mx_rf;
376 	struct rtw_rfbus	mx_bus;
377 	int			mx_is_a;	/* 1: MAX2820A/MAX2821A */
378 };
379 
380 struct rtw_sa2400 {
381 	struct rtw_rf		sa_rf;
382 	struct rtw_rfbus	sa_bus;
383 	int			sa_digphy;	/* 1: digital PHY */
384 };
385 
386 typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int, int);
387 
388 union rtw_keys {
389 	uint8_t		rk_keys[4][16];
390 	uint32_t	rk_words[16];
391 };
392 
393 #define	RTW_LED_SLOW_TICKS	MAX(1, hz/2)
394 #define	RTW_LED_FAST_TICKS	MAX(1, hz/10)
395 
396 struct rtw_led_state {
397 #define	RTW_LED0	0x1
398 #define	RTW_LED1	0x2
399 	uint8_t		ls_slowblink:2;
400 	uint8_t		ls_actblink:2;
401 	uint8_t		ls_default:2;
402 	uint8_t		ls_state;
403 	uint8_t		ls_event;
404 #define	RTW_LED_S_RX	0x1
405 #define	RTW_LED_S_TX	0x2
406 #define	RTW_LED_S_SLOW	0x4
407 };
408 
409 typedef struct rtw_softc {
410 	ieee80211com_t		sc_ic;	/* IEEE 802.11 common */
411 	dev_info_t		*sc_dev; /* back pointer to dev_info_t */
412 	kmutex_t		sc_genlock;
413 	struct rtw_regs		sc_regs;
414 	ddi_acc_handle_t	sc_cfg_handle;
415 	caddr_t			sc_cfg_base;
416 	enum ieee80211_phymode	sc_curmode;
417 	uint32_t		sc_flags;
418 	uint32_t		sc_invalid;
419 	ddi_iblock_cookie_t	sc_iblock;
420 	uint32_t		sc_need_reschedule;
421 	uint16_t		sc_cachelsz;	/* cache line size */
422 	uchar_t			sc_macaddr[6];
423 
424 	enum rtw_rfchipid	sc_rfchipid;
425 	enum rtw_locale		sc_locale;
426 	uint8_t			sc_phydelay;
427 
428 	uint32_t		sc_dmabuf_size;
429 	dma_area_t		sc_desc_dma;
430 
431 	struct rtw_txq		sc_txq[RTW_NTXPRI];
432 
433 	struct	rtw_rxdesc	*rxdesc_h;
434 	struct  rtw_rxbuf	*rxbuf_h;
435 	uint32_t		rx_next;
436 	kmutex_t		rxbuf_lock;
437 	kmutex_t		sc_txlock;
438 
439 	struct rtw_srom		sc_srom;
440 	enum rtw_pwrstate	sc_pwrstate;
441 	rtw_pwrstate_t		sc_pwrstate_cb;
442 	struct rtw_rf		*sc_rf;
443 
444 	uint16_t		sc_inten;
445 
446 	void (*sc_intr_ack)(struct rtw_regs *);
447 
448 	int			(*sc_enable)(struct rtw_softc *);
449 	void			(*sc_disable)(struct rtw_softc *);
450 	void			(*sc_power)(struct rtw_softc *, int);
451 	struct rtw_hooks	sc_hooks;
452 
453 	uint_t			sc_cur_chan;
454 
455 	uint32_t		sc_tsfth;	/* most significant TSFT bits */
456 	uint32_t		sc_rcr;		/* RTW_RCR */
457 	uint8_t			sc_csthr;	/* carrier-sense threshold */
458 
459 	uint8_t			sc_rev;		/* PCI/Cardbus revision */
460 
461 	uint32_t		sc_anaparm;	/* register RTW_ANAPARM */
462 #ifdef RTW_RADIOTAP
463 	union {
464 		struct rtw_rx_radiotap_header	tap;
465 		uint8_t			pad[64];
466 	} sc_rxtapu;
467 	union {
468 		struct rtw_tx_radiotap_header	tap;
469 		uint8_t			pad[64];
470 	} sc_txtapu;
471 #endif
472 	union rtw_keys		sc_keys;
473 	int			sc_txkey;
474 	struct rtw_led_state	sc_led_state;
475 	int			sc_hwverid;
476 
477 	int			(*sc_newstate)(ieee80211com_t *,
478 					enum ieee80211_state, int);
479 
480 	timeout_id_t		sc_scan_id;
481 	timeout_id_t		sc_ratectl_id;
482 	uint32_t		sc_tx_ok;
483 	uint32_t		sc_tx_err;
484 	uint32_t		sc_tx_retr;
485 	uint32_t		sc_tx_upper;
486 	uint32_t		sc_xmtretry;
487 	uint32_t		sc_noxmtbuf;
488 	uint32_t		sc_norcvbuf;
489 	uint32_t		sc_bytexmt64;
490 	uint32_t		sc_bytercv64;
491 	uint32_t		sc_pktxmt64;
492 	uint32_t		sc_pktrcv64;
493 	uint32_t		sc_intr;
494 	uint32_t		sc_ioerror;
495 	uint32_t		hw_start;
496 	uint32_t		hw_go;
497 } rtw_softc_t;
498 
499 #define	RTW_SC(ic) ((rtw_softc_t *)ic)
500 
501 #endif /* _RTWVAR_H_ */
502