Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/rtwvar.h
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1 /* $NetBSD: rtwvar.h,v 1.22 2005/03/02 05:20:43 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_BEACON 0x200000 62 #define RTW_DEBUG_LED 0x400000 63 #define RTW_DEBUG_MAX 0x7fffff 64 65 extern int rtw_debug; 66 #define RTW_DPRINTF(__flags, __x) \ 67 if ((rtw_debug & (__flags)) != 0) printf __x 68 #define DPRINTF(__sc, __flags, __x) \ 69 if (((__sc)->sc_ic.ic_if.if_flags & IFF_DEBUG) != 0) \ 70 RTW_DPRINTF(__flags, __x) 71 #define RTW_PRINT_REGS(__regs, __dvname, __where) \ 72 rtw_print_regs((__regs), (__dvname), (__where)) 73 #else /* RTW_DEBUG */ 74 #define RTW_DPRINTF(__flags, __x) 75 #define DPRINTF(__sc, __flags, __x) 76 #define RTW_PRINT_REGS(__regs, __dvname, __where) 77 #endif /* RTW_DEBUG */ 78 79 enum rtw_locale { 80 RTW_LOCALE_USA = 0, 81 RTW_LOCALE_EUROPE, 82 RTW_LOCALE_JAPAN, 83 RTW_LOCALE_UNKNOWN 84 }; 85 86 enum rtw_rfchipid { 87 RTW_RFCHIPID_RESERVED = 0, 88 RTW_RFCHIPID_INTERSIL = 1, 89 RTW_RFCHIPID_RFMD = 2, 90 RTW_RFCHIPID_PHILIPS = 3, 91 RTW_RFCHIPID_MAXIM = 4, 92 RTW_RFCHIPID_GCT = 5 93 }; 94 95 /* sc_flags */ 96 #define RTW_F_ENABLED 0x00000001 /* chip is enabled */ 97 #define RTW_F_DIGPHY 0x00000002 /* digital PHY */ 98 #define RTW_F_DFLANTB 0x00000004 /* B antenna is default */ 99 #define RTW_F_ANTDIV 0x00000010 /* h/w antenna diversity */ 100 #define RTW_F_9356SROM 0x00000020 /* 93c56 SROM */ 101 #define RTW_F_SLEEP 0x00000040 /* chip is asleep */ 102 #define RTW_F_INVALID 0x00000080 /* chip is absent */ 103 /* all PHY flags */ 104 #define RTW_F_ALLPHY (RTW_F_DIGPHY|RTW_F_DFLANTB|RTW_F_ANTDIV) 105 106 enum rtw_access {RTW_ACCESS_NONE = 0, 107 RTW_ACCESS_CONFIG = 1, 108 RTW_ACCESS_ANAPARM = 2}; 109 110 struct rtw_regs { 111 bus_space_tag_t r_bt; 112 bus_space_handle_t r_bh; 113 enum rtw_access r_access; 114 }; 115 116 #define RTW_SR_GET(sr, ofs) \ 117 (((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff) 118 119 #define RTW_SR_GET16(sr, ofs) \ 120 (RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8)) 121 122 struct rtw_srom { 123 uint16_t *sr_content; 124 uint16_t sr_size; 125 }; 126 127 struct rtw_rxsoft { 128 struct mbuf *rs_mbuf; 129 bus_dmamap_t rs_dmamap; 130 }; 131 132 struct rtw_txsoft { 133 SIMPLEQ_ENTRY(rtw_txsoft) ts_q; 134 struct mbuf *ts_mbuf; 135 bus_dmamap_t ts_dmamap; 136 struct ieee80211_node *ts_ni; /* destination node */ 137 u_int ts_first; /* 1st hw descriptor */ 138 u_int ts_last; /* last hw descriptor */ 139 struct ieee80211_duration ts_d0; 140 struct ieee80211_duration ts_dn; 141 }; 142 143 #define RTW_NTXPRI 4 /* number of Tx priorities */ 144 #define RTW_TXPRILO 0 145 #define RTW_TXPRIMD 1 146 #define RTW_TXPRIHI 2 147 #define RTW_TXPRIBCN 3 /* beacon priority */ 148 149 #define RTW_MAXPKTSEGS 64 /* Max 64 segments per Tx packet */ 150 151 #define CASSERT(cond, complaint) complaint[(cond) ? 0 : -1] = complaint[(cond) ? 0 : -1] 152 153 /* Note well: the descriptor rings must begin on RTW_DESC_ALIGNMENT 154 * boundaries. I allocate them consecutively from one buffer, so 155 * just round up. 156 */ 157 #define RTW_TXQLENLO 64 /* low-priority queue length */ 158 #define RTW_TXQLENMD 64 /* medium-priority */ 159 #define RTW_TXQLENHI 64 /* high-priority */ 160 #define RTW_TXQLENBCN 2 /* beacon */ 161 162 #define RTW_NTXDESCLO RTW_TXQLENLO 163 #define RTW_NTXDESCMD RTW_TXQLENMD 164 #define RTW_NTXDESCHI RTW_TXQLENHI 165 #define RTW_NTXDESCBCN RTW_TXQLENBCN 166 167 #define RTW_NTXDESCTOTAL (RTW_NTXDESCLO + RTW_NTXDESCMD + \ 168 RTW_NTXDESCHI + RTW_NTXDESCBCN) 169 170 #define RTW_RXQLEN 64 171 172 struct rtw_rxdesc_blk { 173 struct rtw_rxdesc *rdb_desc; 174 u_int rdb_next; 175 u_int rdb_ndesc; 176 bus_dma_tag_t rdb_dmat; 177 bus_dmamap_t rdb_dmamap; 178 }; 179 180 struct rtw_txdesc_blk { 181 u_int tdb_ndesc; 182 u_int tdb_next; 183 u_int tdb_nfree; 184 bus_dma_tag_t tdb_dmat; 185 bus_dmamap_t tdb_dmamap; 186 bus_addr_t tdb_physbase; 187 bus_addr_t tdb_ofs; 188 struct rtw_txdesc *tdb_desc; 189 }; 190 191 #define RTW_NEXT_IDX(__htc, __idx) (((__idx) + 1) % (__htc)->tdb_ndesc) 192 193 #define RTW_NEXT_DESC(__htc, __idx) \ 194 ((__htc)->tdb_physbase + \ 195 sizeof(struct rtw_txdesc) * RTW_NEXT_IDX((__htc), (__idx))) 196 197 SIMPLEQ_HEAD(rtw_txq, rtw_txsoft); 198 199 struct rtw_txsoft_blk { 200 /* dirty/free s/w descriptors */ 201 struct rtw_txq tsb_dirtyq; 202 struct rtw_txq tsb_freeq; 203 u_int tsb_ndesc; 204 int tsb_tx_timer; 205 struct rtw_txsoft *tsb_desc; 206 uint8_t tsb_poll; 207 }; 208 209 struct rtw_descs { 210 struct rtw_txdesc hd_txlo[RTW_NTXDESCLO]; 211 struct rtw_txdesc hd_txmd[RTW_NTXDESCMD]; 212 struct rtw_txdesc hd_txhi[RTW_NTXDESCMD]; 213 struct rtw_rxdesc hd_rx[RTW_RXQLEN]; 214 struct rtw_txdesc hd_bcn[RTW_NTXDESCBCN]; 215 }; 216 #define RTW_DESC_OFFSET(ring, i) offsetof(struct rtw_descs, ring[i]) 217 #define RTW_RING_OFFSET(ring) RTW_DESC_OFFSET(ring, 0) 218 #define RTW_RING_BASE(sc, ring) ((sc)->sc_desc_physaddr + \ 219 RTW_RING_OFFSET(ring)) 220 221 /* Radio capture format for RTL8180. */ 222 223 #define RTW_RX_RADIOTAP_PRESENT \ 224 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 225 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 226 (1 << IEEE80211_RADIOTAP_RATE) | \ 227 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 228 (1 << IEEE80211_RADIOTAP_LOCK_QUALITY) | \ 229 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \ 230 0) 231 232 struct rtw_rx_radiotap_header { 233 struct ieee80211_radiotap_header rr_ihdr; 234 uint64_t rr_tsft; 235 uint8_t rr_flags; 236 uint8_t rr_rate; 237 uint16_t rr_chan_freq; 238 uint16_t rr_chan_flags; 239 uint16_t rr_barker_lock; 240 uint8_t rr_antsignal; 241 } __attribute__((__packed__)); 242 243 #define RTW_TX_RADIOTAP_PRESENT \ 244 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 245 (1 << IEEE80211_RADIOTAP_RATE) | \ 246 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 247 0) 248 249 struct rtw_tx_radiotap_header { 250 struct ieee80211_radiotap_header rt_ihdr; 251 uint8_t rt_flags; 252 uint8_t rt_rate; 253 uint16_t rt_chan_freq; 254 uint16_t rt_chan_flags; 255 } __attribute__((__packed__)); 256 257 enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE, 258 FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE, 259 FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM, 260 FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_TXDESCBLK_SETUP, 261 FINISH_TXCTLBLK_SETUP, DETACHED}; 262 263 struct rtw_hooks { 264 void *rh_shutdown; /* shutdown hook */ 265 void *rh_power; /* power management hook */ 266 }; 267 268 struct rtw_mtbl { 269 int (*mt_newstate)(struct ieee80211com *, 270 enum ieee80211_state, int); 271 void (*mt_recv_mgmt)(struct ieee80211com *, 272 struct mbuf *, struct ieee80211_node *, 273 int, int, uint32_t); 274 struct ieee80211_node *(*mt_node_alloc)(struct ieee80211com *); 275 void (*mt_node_free)(struct ieee80211com *, 276 struct ieee80211_node *); 277 }; 278 279 enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON }; 280 281 typedef void (*rtw_continuous_tx_cb_t)(void *arg, int); 282 283 struct rtw_phy { 284 struct rtw_rf *p_rf; 285 struct rtw_regs *p_regs; 286 }; 287 288 struct rtw_bbpset { 289 u_int bb_antatten; 290 u_int bb_chestlim; 291 u_int bb_chsqlim; 292 u_int bb_ifagcdet; 293 u_int bb_ifagcini; 294 u_int bb_ifagclimit; 295 u_int bb_lnadet; 296 u_int bb_sys1; 297 u_int bb_sys2; 298 u_int bb_sys3; 299 u_int bb_trl; 300 u_int bb_txagc; 301 }; 302 303 struct rtw_rf { 304 void (*rf_destroy)(struct rtw_rf *); 305 /* args: frequency, txpower, power state */ 306 int (*rf_init)(struct rtw_rf *, u_int, uint8_t, 307 enum rtw_pwrstate); 308 /* arg: power state */ 309 int (*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate); 310 /* arg: frequency */ 311 int (*rf_tune)(struct rtw_rf *, u_int); 312 /* arg: txpower */ 313 int (*rf_txpower)(struct rtw_rf *, uint8_t); 314 rtw_continuous_tx_cb_t rf_continuous_tx_cb; 315 void *rf_continuous_tx_arg; 316 struct rtw_bbpset rf_bbpset; 317 }; 318 319 static __inline void 320 rtw_rf_destroy(struct rtw_rf *rf) 321 { 322 (*rf->rf_destroy)(rf); 323 } 324 325 static __inline int 326 rtw_rf_init(struct rtw_rf *rf, u_int freq, uint8_t opaque_txpower, 327 enum rtw_pwrstate power) 328 { 329 return (*rf->rf_init)(rf, freq, opaque_txpower, power); 330 } 331 332 static __inline int 333 rtw_rf_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power) 334 { 335 return (*rf->rf_pwrstate)(rf, power); 336 } 337 338 static __inline int 339 rtw_rf_tune(struct rtw_rf *rf, u_int freq) 340 { 341 return (*rf->rf_tune)(rf, freq); 342 } 343 344 static __inline int 345 rtw_rf_txpower(struct rtw_rf *rf, uint8_t opaque_txpower) 346 { 347 return (*rf->rf_txpower)(rf, opaque_txpower); 348 } 349 350 typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, u_int, 351 uint32_t); 352 353 struct rtw_rfbus { 354 struct rtw_regs *b_regs; 355 rtw_rf_write_t b_write; 356 }; 357 358 static __inline int 359 rtw_rfbus_write(struct rtw_rfbus *bus, enum rtw_rfchipid rfchipid, u_int addr, 360 uint32_t val) 361 { 362 return (*bus->b_write)(bus->b_regs, rfchipid, addr, val); 363 } 364 365 struct rtw_max2820 { 366 struct rtw_rf mx_rf; 367 struct rtw_rfbus mx_bus; 368 int mx_is_a; /* 1: MAX2820A/MAX2821A */ 369 }; 370 371 struct rtw_sa2400 { 372 struct rtw_rf sa_rf; 373 struct rtw_rfbus sa_bus; 374 int sa_digphy; /* 1: digital PHY */ 375 }; 376 377 typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int, int); 378 379 union rtw_keys { 380 uint8_t rk_keys[4][16]; 381 uint32_t rk_words[16]; 382 }; 383 384 #define RTW_LED_SLOW_TICKS MAX(1, hz/2) 385 #define RTW_LED_FAST_TICKS MAX(1, hz/10) 386 387 struct rtw_led_state { 388 #define RTW_LED0 0x1 389 #define RTW_LED1 0x2 390 uint8_t ls_slowblink:2; 391 uint8_t ls_actblink:2; 392 uint8_t ls_default:2; 393 uint8_t ls_state; 394 uint8_t ls_event; 395 #define RTW_LED_S_RX 0x1 396 #define RTW_LED_S_TX 0x2 397 #define RTW_LED_S_SLOW 0x4 398 struct callout ls_slow_ch; 399 struct callout ls_fast_ch; 400 }; 401 402 struct rtw_softc { 403 struct device sc_dev; 404 struct ieee80211com sc_ic; 405 struct rtw_regs sc_regs; 406 bus_dma_tag_t sc_dmat; 407 uint32_t sc_flags; 408 409 enum rtw_attach_state sc_attach_state; 410 enum rtw_rfchipid sc_rfchipid; 411 enum rtw_locale sc_locale; 412 uint8_t sc_phydelay; 413 414 /* s/w Tx/Rx descriptors */ 415 struct rtw_txsoft_blk sc_txsoft_blk[RTW_NTXPRI]; 416 struct rtw_txdesc_blk sc_txdesc_blk[RTW_NTXPRI]; 417 418 struct rtw_rxsoft sc_rxsoft[RTW_RXQLEN]; 419 struct rtw_rxdesc_blk sc_rxdesc_blk; 420 421 struct rtw_descs *sc_descs; 422 423 bus_dma_segment_t sc_desc_segs; 424 int sc_desc_nsegs; 425 bus_dmamap_t sc_desc_dmamap; 426 #define sc_desc_physaddr sc_desc_dmamap->dm_segs[0].ds_addr 427 428 struct rtw_srom sc_srom; 429 430 enum rtw_pwrstate sc_pwrstate; 431 432 rtw_pwrstate_t sc_pwrstate_cb; 433 434 struct rtw_rf *sc_rf; 435 436 uint16_t sc_inten; 437 438 /* interrupt acknowledge hook */ 439 void (*sc_intr_ack)(struct rtw_regs *); 440 441 int (*sc_enable)(struct rtw_softc *); 442 void (*sc_disable)(struct rtw_softc *); 443 void (*sc_power)(struct rtw_softc *, int); 444 struct rtw_mtbl sc_mtbl; 445 struct rtw_hooks sc_hooks; 446 447 caddr_t sc_radiobpf; 448 449 struct callout sc_scan_ch; 450 u_int sc_cur_chan; 451 452 uint32_t sc_tsfth; /* most significant TSFT bits */ 453 uint32_t sc_rcr; /* RTW_RCR */ 454 uint8_t sc_csthr; /* carrier-sense threshold */ 455 456 int sc_do_tick; /* indicate 1s ticks */ 457 struct timeval sc_tick0; /* first tick */ 458 459 uint8_t sc_rev; /* PCI/Cardbus revision */ 460 461 uint32_t sc_anaparm; /* register RTW_ANAPARM */ 462 463 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 union rtw_keys sc_keys; 472 int sc_txkey; 473 struct ifqueue sc_beaconq; 474 struct rtw_led_state sc_led_state; 475 int sc_hwverid; 476 }; 477 478 #define sc_if sc_ic.ic_if 479 #define sc_rxtap sc_rxtapu.tap 480 #define sc_txtap sc_txtapu.tap 481 482 extern int rtw_host_rfio; 483 484 void rtw_txdac_enable(struct rtw_softc *, int); 485 void rtw_anaparm_enable(struct rtw_regs *, int); 486 void rtw_config0123_enable(struct rtw_regs *, int); 487 void rtw_continuous_tx_enable(struct rtw_softc *, int); 488 void rtw_set_access(struct rtw_regs *, enum rtw_access); 489 490 void rtw_attach(struct rtw_softc *); 491 int rtw_detach(struct rtw_softc *); 492 int rtw_intr(void *); 493 494 void rtw_disable(struct rtw_softc *); 495 int rtw_enable(struct rtw_softc *); 496 497 int rtw_activate(struct device *, enum devact); 498 void rtw_power(int, void *); 499 void rtw_shutdown(void *); 500 501 const char *rtw_pwrstate_string(enum rtw_pwrstate); 502 503 #endif /* _DEV_IC_RTWVAR_H_ */
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