2 * Copyright (c) 2013 Qualcomm Atheros, Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
13 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
21 #include "ah_internal.h"
23 #include "ar9300/ar9300desc.h"
24 #include "ar9300/ar9300.h"
25 #include "ar9300/ar9300reg.h"
26 #include "ar9300/ar9300phy.h"
29 #if AH_BYTE_ORDER == AH_BIG_ENDIAN
30 static void ar9300_swap_tx_desc(void *ds);
34 ar9300_tx_req_intr_desc(struct ath_hal *ah, void *ds)
36 HALDEBUG(ah, HAL_DEBUG_INTERRUPT,
37 "%s:Desc Interrupt not supported\n", __func__);
40 static inline u_int16_t
41 ar9300_calc_ptr_chk_sum(struct ar9300_txc *ads)
44 u_int16_t ptrchecksum;
46 /* checksum = __bswap32(ads->ds_info) + ads->ds_link */
47 checksum = ads->ds_info + ads->ds_link
48 + ads->ds_data0 + ads->ds_ctl3
49 + ads->ds_data1 + ads->ds_ctl5
50 + ads->ds_data2 + ads->ds_ctl7
51 + ads->ds_data3 + ads->ds_ctl9;
53 ptrchecksum = ((checksum & 0xffff) + (checksum >> 16)) & AR_tx_ptr_chk_sum;
61 HAL_DMA_ADDR *buf_addr,
65 HAL_KEY_TYPE key_type,
70 struct ar9300_txc *ads = AR9300TXC(ds);
72 /* Fill TXC info field */
73 ads->ds_info = TXC_INFO(qcu);
75 /* Set the buffer addresses */
76 ads->ds_data0 = buf_addr[0];
77 ads->ds_data1 = buf_addr[1];
78 ads->ds_data2 = buf_addr[2];
79 ads->ds_data3 = buf_addr[3];
81 /* Set the buffer lengths */
82 ads->ds_ctl3 = (seg_len[0] << AR_buf_len_S) & AR_buf_len;
83 ads->ds_ctl5 = (seg_len[1] << AR_buf_len_S) & AR_buf_len;
84 ads->ds_ctl7 = (seg_len[2] << AR_buf_len_S) & AR_buf_len;
85 ads->ds_ctl9 = (seg_len[3] << AR_buf_len_S) & AR_buf_len;
87 /* Fill in pointer checksum and descriptor id */
88 ads->ds_ctl10 = (desc_id << AR_tx_desc_id_S) | ar9300_calc_ptr_chk_sum(ads);
92 * First descriptor, don't clobber xmit control data
93 * setup by ar9300_set_11n_tx_desc.
95 * Note: AR_encr_type is already setup in the first descriptor by
98 ads->ds_ctl12 |= (last_seg ? 0 : AR_tx_more);
99 } else if (last_seg) { /* !first_seg && last_seg */
101 * Last descriptor in a multi-descriptor frame,
102 * copy the multi-rate transmit parameters from
103 * the first frame for processing on completion.
107 #ifdef AH_NEED_DESC_SWAP
108 ads->ds_ctl13 = __bswap32(AR9300TXC_CONST(ds0)->ds_ctl13);
109 ads->ds_ctl14 = __bswap32(AR9300TXC_CONST(ds0)->ds_ctl14);
110 ads->ds_ctl17 = __bswap32(SM(key_type, AR_encr_type));
112 ads->ds_ctl13 = AR9300TXC_CONST(ds0)->ds_ctl13;
113 ads->ds_ctl14 = AR9300TXC_CONST(ds0)->ds_ctl14;
114 ads->ds_ctl17 = SM(key_type, AR_encr_type);
116 } else { /* !first_seg && !last_seg */
118 * XXX Intermediate descriptor in a multi-descriptor frame.
121 ads->ds_ctl12 = AR_tx_more;
124 ads->ds_ctl17 = SM(key_type, AR_encr_type);
131 ar9300_set_desc_link(struct ath_hal *ah, void *ds, u_int32_t link)
133 struct ar9300_txc *ads = AR9300TXC(ds);
137 /* TODO - checksum is calculated twice for subframes
138 * Once in filldesc and again when linked. Need to fix.
140 /* Fill in pointer checksum. Preserve descriptor id */
141 ads->ds_ctl10 &= ~AR_tx_ptr_chk_sum;
142 ads->ds_ctl10 |= ar9300_calc_ptr_chk_sum(ads);
146 ar9300_get_desc_link_ptr(struct ath_hal *ah, void *ds, u_int32_t **link)
148 struct ar9300_txc *ads = AR9300TXC(ds);
150 *link = &ads->ds_link;
154 ar9300_clear_tx_desc_status(struct ath_hal *ah, void *ds)
156 struct ar9300_txs *ads = AR9300TXS(ds);
157 ads->status1 = ads->status2 = 0;
158 ads->status3 = ads->status4 = 0;
159 ads->status5 = ads->status6 = 0;
160 ads->status7 = ads->status8 = 0;
165 ar9300_clear_dest_mask(struct ath_hal *ah, void *ds)
167 struct ar9300_txc *ads = AR9300TXC(ds);
168 ads->ds_ctl11 |= AR_clr_dest_mask;
172 #if AH_BYTE_ORDER == AH_BIG_ENDIAN
173 /* XXX what words need swapping */
174 /* Swap transmit descriptor */
176 ar9300_swap_tx_desc(void *dsp)
178 struct ar9300_txs *ds = (struct ar9300_txs *)dsp;
180 ds->ds_info = __bswap32(ds->ds_info);
181 ds->status1 = __bswap32(ds->status1);
182 ds->status2 = __bswap32(ds->status2);
183 ds->status3 = __bswap32(ds->status3);
184 ds->status4 = __bswap32(ds->status4);
185 ds->status5 = __bswap32(ds->status5);
186 ds->status6 = __bswap32(ds->status6);
187 ds->status7 = __bswap32(ds->status7);
188 ds->status8 = __bswap32(ds->status8);
194 * Extract the transmit rate code.
197 ar9300_get_tx_rate_code(struct ath_hal *ah, void *ds, struct ath_tx_status *ts)
199 struct ar9300_txc *ads = AR9300TXC(ds);
201 switch (ts->ts_finaltsi) {
203 ts->ts_rate = MS(ads->ds_ctl14, AR_xmit_rate0);
206 ts->ts_rate = MS(ads->ds_ctl14, AR_xmit_rate1);
209 ts->ts_rate = MS(ads->ds_ctl14, AR_xmit_rate2);
212 ts->ts_rate = MS(ads->ds_ctl14, AR_xmit_rate3);
216 ar9300_set_selfgenrate_limit(ah, ts->ts_rate);
220 * Get TX Status descriptor contents.
223 ar9300_get_raw_tx_desc(struct ath_hal *ah, u_int32_t *txstatus)
225 struct ath_hal_9300 *ahp = AH9300(ah);
226 struct ar9300_txs *ads;
228 ads = &ahp->ts_ring[ahp->ts_tail];
230 OS_MEMCPY(txstatus, ads, sizeof(struct ar9300_txs));
234 * Processing of HW TX descriptor.
237 ar9300_proc_tx_desc(struct ath_hal *ah, void *txstatus)
239 struct ath_hal_9300 *ahp = AH9300(ah);
240 struct ar9300_txs *ads;
241 struct ath_tx_status *ts = (struct ath_tx_status *)txstatus;
244 ads = &ahp->ts_ring[ahp->ts_tail];
246 if ((ads->status8 & AR_tx_done) == 0) {
247 return HAL_EINPROGRESS;
256 "CHH: tail=%d\n", ahp->ts_tail);
258 "CHH: ds_info 0x%x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
271 /* Increment the tail to point to the next status element. */
272 ahp->ts_tail = (ahp->ts_tail + 1) & (ahp->ts_size-1);
275 ** For big endian systems, ds_info is not swapped as the other
276 ** registers are. Ensure we use the bswap32 version (which is
277 ** defined to "nothing" in little endian systems
280 dsinfo = ads->ds_info;
282 if ((MS(dsinfo, AR_desc_id) != ATHEROS_VENDOR_ID) ||
283 (MS(dsinfo, AR_tx_rx_desc) != 1))
285 HALDEBUG(AH_NULL, HAL_DEBUG_UNMASKABLE, "%s: Tx Descriptor error %x\n",
288 /* Zero out the status for reuse */
289 OS_MEMZERO(ads, sizeof(struct ar9300_txs));
293 /* Update software copies of the HW status */
294 ts->ts_queue_id = MS(dsinfo, AR_tx_qcu_num);
295 ts->ts_desc_id = MS(ads->status1, AR_tx_desc_id);
296 ts->ts_seqnum = MS(ads->status8, AR_seq_num);
297 ts->ts_tstamp = ads->status4;
301 if (ads->status3 & AR_excessive_retries) {
302 ts->ts_status |= HAL_TXERR_XRETRY;
304 if (ads->status3 & AR_filtered) {
305 ts->ts_status |= HAL_TXERR_FILT;
307 if (ads->status3 & AR_fifounderrun) {
308 ts->ts_status |= HAL_TXERR_FIFO;
309 ar9300_update_tx_trig_level(ah, AH_TRUE);
311 if (ads->status8 & AR_tx_op_exceeded) {
312 ts->ts_status |= HAL_TXERR_XTXOP;
314 if (ads->status3 & AR_tx_timer_expired) {
315 ts->ts_status |= HAL_TXERR_TIMER_EXPIRED;
317 if (ads->status3 & AR_desc_cfg_err) {
318 ts->ts_flags |= HAL_TX_DESC_CFG_ERR;
320 if (ads->status3 & AR_tx_data_underrun) {
321 ts->ts_flags |= HAL_TX_DATA_UNDERRUN;
322 ar9300_update_tx_trig_level(ah, AH_TRUE);
324 if (ads->status3 & AR_tx_delim_underrun) {
325 ts->ts_flags |= HAL_TX_DELIM_UNDERRUN;
326 ar9300_update_tx_trig_level(ah, AH_TRUE);
328 if (ads->status2 & AR_tx_ba_status) {
329 ts->ts_flags |= HAL_TX_BA;
330 ts->ts_ba_low = ads->status5;
331 ts->ts_ba_high = ads->status6;
335 * Extract the transmit rate.
337 ts->ts_finaltsi = MS(ads->status8, AR_final_tx_idx);
339 ts->ts_rssi = MS(ads->status7, AR_tx_rssi_combined);
340 ts->ts_rssi_ctl[0] = MS(ads->status2, AR_tx_rssi_ant00);
341 ts->ts_rssi_ctl[1] = MS(ads->status2, AR_tx_rssi_ant01);
342 ts->ts_rssi_ctl[2] = MS(ads->status2, AR_tx_rssi_ant02);
343 ts->ts_rssi_ext[0] = MS(ads->status7, AR_tx_rssi_ant10);
344 ts->ts_rssi_ext[1] = MS(ads->status7, AR_tx_rssi_ant11);
345 ts->ts_rssi_ext[2] = MS(ads->status7, AR_tx_rssi_ant12);
346 ts->ts_shortretry = MS(ads->status3, AR_rts_fail_cnt);
347 ts->ts_longretry = MS(ads->status3, AR_data_fail_cnt);
348 ts->ts_virtcol = MS(ads->status3, AR_virt_retry_cnt);
351 /* extract TID from block ack */
352 ts->ts_tid = MS(ads->status8, AR_tx_tid);
354 /* Zero out the status for reuse */
355 OS_MEMZERO(ads, sizeof(struct ar9300_txs));
361 * Calculate air time of a transmit packet
362 * if comp_wastedt is 1, calculate air time only for failed subframes
363 * this is required for VOW_DCS ( dynamic channel selection )
366 ar9300_calc_tx_airtime(struct ath_hal *ah, void *ds, struct ath_tx_status *ts,
367 HAL_BOOL comp_wastedt, u_int8_t nbad, u_int8_t nframes )
369 struct ar9300_txc *ads = AR9300TXC(ds);
370 int finalindex_tries;
371 u_int32_t airtime, lastrate_dur;
375 * Number of attempts made on the final index
376 * Note: If no BA was recv, then the data_fail_cnt is the number of tries
377 * made on the final index. If BA was recv, then add 1 to account for the
378 * successful attempt.
380 if ( !comp_wastedt ){
381 finalindex_tries = ts->ts_longretry + (ts->ts_flags & HAL_TX_BA)? 1 : 0;
383 finalindex_tries = ts->ts_longretry ;
387 * Calculate time of transmit on air for packet including retries
388 * at different rates.
390 switch (ts->ts_finaltsi) {
392 lastrate_dur = MS(ads->ds_ctl15, AR_packet_dur0);
393 airtime = (lastrate_dur * finalindex_tries);
396 lastrate_dur = MS(ads->ds_ctl15, AR_packet_dur1);
397 airtime = (lastrate_dur * finalindex_tries) +
398 (MS(ads->ds_ctl13, AR_xmit_data_tries0) *
399 MS(ads->ds_ctl15, AR_packet_dur0));
402 lastrate_dur = MS(ads->ds_ctl16, AR_packet_dur2);
403 airtime = (lastrate_dur * finalindex_tries) +
404 (MS(ads->ds_ctl13, AR_xmit_data_tries1) *
405 MS(ads->ds_ctl15, AR_packet_dur1)) +
406 (MS(ads->ds_ctl13, AR_xmit_data_tries0) *
407 MS(ads->ds_ctl15, AR_packet_dur0));
410 lastrate_dur = MS(ads->ds_ctl16, AR_packet_dur3);
411 airtime = (lastrate_dur * finalindex_tries) +
412 (MS(ads->ds_ctl13, AR_xmit_data_tries2) *
413 MS(ads->ds_ctl16, AR_packet_dur2)) +
414 (MS(ads->ds_ctl13, AR_xmit_data_tries1) *
415 MS(ads->ds_ctl15, AR_packet_dur1)) +
416 (MS(ads->ds_ctl13, AR_xmit_data_tries0) *
417 MS(ads->ds_ctl15, AR_packet_dur0));
424 if ( comp_wastedt && (ts->ts_flags & HAL_TX_BA)){
425 airtime += nbad?((lastrate_dur*nbad) / nframes):0;
431 #ifdef AH_PRIVATE_DIAG
433 ar9300__cont_tx_mode(struct ath_hal *ah, void *ds, int mode)
438 unsigned int qbits, val, val1, val2;
440 struct ar9300_txs *ads = AR9300TXS(ds);
446 if (mode == 7) { /* print status from the cont tx desc */
448 val1 = ads->ds_txstatus1;
449 val2 = ads->ds_txstatus2;
450 HALDEBUG(ah, HAL_DEBUG_TXDESC, "s0(%x) s1(%x)\n",
451 (unsigned)val1, (unsigned)val2);
453 HALDEBUG(ah, HAL_DEBUG_TXDESC, "txe(%x) txd(%x)\n",
454 OS_REG_READ(ah, AR_Q_TXE),
455 OS_REG_READ(ah, AR_Q_TXD)
457 for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
458 val = OS_REG_READ(ah, AR_QTXDP(i));
459 val2 = OS_REG_READ(ah, AR_QSTS(i)) & AR_Q_STS_PEND_FR_CNT;
460 HALDEBUG(ah, HAL_DEBUG_TXDESC, "[%d] %x %d\n", i, val, val2);
464 if (mode == 8) { /* set TXE for qnum */
465 OS_REG_WRITE(ah, AR_Q_TXE, 1 << qnum);
473 if (mode >= 1) { /* initiate cont tx operation */
474 /* Disable AGC to A2 */
477 OS_REG_WRITE(ah, AR_PHY_TEST,
478 (OS_REG_READ(ah, AR_PHY_TEST) | PHY_AGC_CLR) );
480 OS_REG_WRITE(ah, 0x9864, OS_REG_READ(ah, 0x9864) | 0x7f000);
481 OS_REG_WRITE(ah, 0x9924, OS_REG_READ(ah, 0x9924) | 0x7f00fe);
482 OS_REG_WRITE(ah, AR_DIAG_SW,
483 (OS_REG_READ(ah, AR_DIAG_SW) |
484 (AR_DIAG_FORCE_RX_CLEAR + AR_DIAG_IGNORE_VIRT_CS)) );
487 OS_REG_WRITE(ah, AR_CR, AR_CR_RXD); /* set receive disable */
489 if (mode == 3 || mode == 4) {
493 OS_REG_WRITE(ah, AR_DLCL_IFS(qnum), 0);
494 OS_REG_WRITE(ah, AR_DRETRY_LIMIT(qnum), 0xffffffff);
495 OS_REG_WRITE(ah, AR_D_GBL_IFS_SIFS, 100);
496 OS_REG_WRITE(ah, AR_D_GBL_IFS_EIFS, 100);
497 OS_REG_WRITE(ah, AR_TIME_OUT, 2);
498 OS_REG_WRITE(ah, AR_D_GBL_IFS_SLOT, 100);
501 OS_REG_WRITE(ah, AR_DRETRY_LIMIT(qnum), 0xffffffff);
502 /* enable prefetch on qnum */
503 OS_REG_WRITE(ah, AR_D_FPCTL, 0x10 | qnum);
504 txcfg = 5 | (6 << AR_FTRIG_S);
505 OS_REG_WRITE(ah, AR_TXCFG, txcfg);
507 OS_REG_WRITE(ah, AR_QMISC(qnum), /* set QCU modes */
508 AR_Q_MISC_DCU_EARLY_TERM_REQ
510 + AR_Q_MISC_CBR_INCR_DIS1
511 + AR_Q_MISC_CBR_INCR_DIS0
514 /* stop tx dma all all except qnum */
516 qbits &= ~(1 << qnum);
517 for (i = 0; i < 10; i++) {
521 OS_REG_WRITE(ah, AR_Q_TXD, 1 << i);
524 OS_REG_WRITE(ah, AR_Q_TXD, qbits);
526 /* clear and freeze MIB counters */
527 OS_REG_WRITE(ah, AR_MIBC, AR_MIBC_CMC);
528 OS_REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC);
530 OS_REG_WRITE(ah, AR_DMISC(qnum),
531 (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
532 AR_D_MISC_ARB_LOCKOUT_CNTRL_S)
533 + (AR_D_MISC_ARB_LOCKOUT_IGNORE)
534 + (AR_D_MISC_POST_FR_BKOFF_DIS)
535 + (AR_D_MISC_VIR_COL_HANDLING_IGNORE <<
536 AR_D_MISC_VIR_COL_HANDLING_S));
538 for (i = 0; i < HAL_NUM_TX_QUEUES + 2; i++) { /* disconnect QCUs */
542 OS_REG_WRITE(ah, AR_DQCUMASK(i), 0);
547 OS_REG_WRITE(ah, AR_PHY_TEST,
548 (OS_REG_READ(ah, AR_PHY_TEST) & ~PHY_AGC_CLR));
549 OS_REG_WRITE(ah, AR_DIAG_SW,
550 (OS_REG_READ(ah, AR_DIAG_SW) &
551 ~(AR_DIAG_FORCE_RX_CLEAR + AR_DIAG_IGNORE_VIRT_CS)));
558 ar9300_set_paprd_tx_desc(struct ath_hal *ah, void *ds, int chain_num)
560 struct ar9300_txc *ads = AR9300TXC(ds);
562 ads->ds_ctl12 |= SM((1 << chain_num), AR_paprd_chain_mask);
565 ar9300_is_tx_done(struct ath_hal *ah)
567 struct ath_hal_9300 *ahp = AH9300(ah);
568 struct ar9300_txs *ads;
570 ads = &ahp->ts_ring[ahp->ts_tail];
572 if (ads->status8 & AR_tx_done) {
575 return HAL_EINPROGRESS;
579 ar9300_set_11n_tx_desc(
586 HAL_KEY_TYPE key_type,
589 struct ar9300_txc *ads = AR9300TXC(ds);
590 struct ath_hal_9300 *ahp = AH9300(ah);
592 HALASSERT(is_valid_pkt_type(type));
593 HALASSERT(is_valid_key_type(key_type));
595 tx_power += ahp->ah_tx_power_index_offset;
600 (pkt_len & AR_frame_len)
601 | (flags & HAL_TXDESC_VMF ? AR_virt_more_frag : 0)
602 | SM(tx_power, AR_xmit_power0)
603 | (flags & HAL_TXDESC_VEOL ? AR_veol : 0)
604 | (flags & HAL_TXDESC_CLRDMASK ? AR_clr_dest_mask : 0)
605 | (key_ix != HAL_TXKEYIX_INVALID ? AR_dest_idx_valid : 0)
606 | (flags & HAL_TXDESC_LOWRXCHAIN ? AR_low_rx_chain : 0);
609 (key_ix != HAL_TXKEYIX_INVALID ? SM(key_ix, AR_dest_idx) : 0)
610 | SM(type, AR_frame_type)
611 | (flags & HAL_TXDESC_NOACK ? AR_no_ack : 0)
612 | (flags & HAL_TXDESC_EXT_ONLY ? AR_ext_only : 0)
613 | (flags & HAL_TXDESC_EXT_AND_CTL ? AR_ext_and_ctl : 0);
616 SM(key_type, AR_encr_type) | (flags & HAL_TXDESC_LDPC ? AR_ldpc : 0);
619 ads->ds_ctl19 = AR_not_sounding; /* set not sounding for normal frame */
623 * Clear Ness1/2/3 (Number of Extension Spatial Streams) fields.
624 * Ness0 is cleared in ctl19. See EV66059 (BB panic).
631 void ar9300_set_rx_chainmask(struct ath_hal *ah, int rxchainmask)
633 OS_REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rxchainmask);
636 void ar9300_update_loc_ctl_reg(struct ath_hal *ah, int pos_bit)
639 reg_val = OS_REG_READ(ah, AR_LOC_CTL_REG);
641 if (!(reg_val & AR_LOC_CTL_REG_FS)) {
642 /* set fast timestamp bit in the regiter */
643 OS_REG_WRITE(ah, AR_LOC_CTL_REG, (reg_val | AR_LOC_CTL_REG_FS));
644 OS_REG_WRITE(ah, AR_LOC_TIMER_REG, 0);
648 OS_REG_WRITE(ah, AR_LOC_CTL_REG, (reg_val & ~AR_LOC_CTL_REG_FS));
653 #define HT_RC_2_MCS(_rc) ((_rc) & 0x0f)
654 static const u_int8_t ba_duration_delta[] = {
656 12, /* 1: QPSK 1/2 */
657 12, /* 2: QPSK 3/4 */
658 4, /* 3: 16-QAM 1/2 */
659 4, /* 4: 16-QAM 3/4 */
660 4, /* 5: 64-QAM 2/3 */
661 4, /* 6: 64-QAM 3/4 */
662 4, /* 7: 64-QAM 5/6 */
664 12, /* 9: QPSK 1/2 */
665 12, /* 10: QPSK 3/4 */
666 4, /* 11: 16-QAM 1/2 */
667 4, /* 12: 16-QAM 3/4 */
668 4, /* 13: 64-QAM 2/3 */
669 4, /* 14: 64-QAM 3/4 */
670 4, /* 15: 64-QAM 5/6 */
676 ar9300_get_tx_mode(u_int rate_flags)
679 /* Check whether STBC is enabled if TxBF is not enabled */
680 if (rate_flags & HAL_RATESERIES_STBC){
681 return AR9300_STBC_MODE;
683 return AR9300_DEF_MODE;
686 ar9300_set_11n_rate_scenario(
692 u_int rts_cts_duration,
693 HAL_11N_RATE_SERIES series[],
696 u_int32_t smart_antenna)
698 struct ath_hal_private *ap = AH_PRIVATE(ah);
699 struct ar9300_txc *ads = AR9300TXC(ds);
700 struct ar9300_txc *last_ads = AR9300TXC(lastds);
702 u_int8_t ant, cal_pkt = 0;
703 u_int mode, tx_mode = AR9300_DEF_MODE;
705 HALASSERT(nseries == 4);
707 (void)rts_cts_duration; /* use H/W to calculate RTSCTSDuration */
709 ds_ctl11 = ads->ds_ctl11;
711 * Rate control settings override
713 if (flags & (HAL_TXDESC_RTSENA | HAL_TXDESC_CTSENA)) {
714 if (flags & HAL_TXDESC_RTSENA) {
715 ds_ctl11 &= ~AR_cts_enable;
716 ds_ctl11 |= AR_rts_enable;
718 ds_ctl11 &= ~AR_rts_enable;
719 ds_ctl11 |= AR_cts_enable;
722 ds_ctl11 = (ds_ctl11 & ~(AR_rts_enable | AR_cts_enable));
725 mode = ath_hal_get_curmode(ah, ap->ah_curchan);
726 cal_pkt = (ads->ds_ctl12 & AR_paprd_chain_mask)?1:0;
728 if (ah->ah_config.ath_hal_desc_tpc) {
732 /* Series 0 TxPower */
733 tx_mode = ar9300_get_tx_mode(series[0].RateFlags);
734 txpower = ar9300_get_rate_txpower(ah, mode, series[0].RateIndex,
735 series[0].ChSel, tx_mode);
737 txpower = AH9300(ah)->paprd_training_power;
739 ds_ctl11 &= ~AR_xmit_power0;
741 set_11n_tx_power(0, AH_MIN(txpower, series[0].tx_power_cap));
744 ads->ds_ctl11 = ds_ctl11;
747 ads->ds_ctl13 = set_11n_tries(series, 0)
748 | set_11n_tries(series, 1)
749 | set_11n_tries(series, 2)
750 | set_11n_tries(series, 3)
751 | (dur_update_en ? AR_dur_update_ena : 0)
752 | SM(0, AR_burst_dur);
754 ads->ds_ctl14 = set_11n_rate(series, 0)
755 | set_11n_rate(series, 1)
756 | set_11n_rate(series, 2)
757 | set_11n_rate(series, 3);
759 ads->ds_ctl15 = set_11n_pkt_dur_rts_cts(series, 0)
760 | set_11n_pkt_dur_rts_cts(series, 1);
762 ads->ds_ctl16 = set_11n_pkt_dur_rts_cts(series, 2)
763 | set_11n_pkt_dur_rts_cts(series, 3);
765 ads->ds_ctl18 = set_11n_rate_flags(series, 0)
766 | set_11n_rate_flags(series, 1)
767 | set_11n_rate_flags(series, 2)
768 | set_11n_rate_flags(series, 3)
769 | SM(rts_cts_rate, AR_rts_cts_rate);
770 /* set not sounding for normal frame */
771 ads->ds_ctl19 = AR_not_sounding;
773 if (ah->ah_config.ath_hal_desc_tpc) {
777 /* Series 1 TxPower */
778 tx_mode = ar9300_get_tx_mode(series[1].RateFlags);
779 txpower = ar9300_get_rate_txpower(
780 ah, mode, series[1].RateIndex, series[1].ChSel, tx_mode);
782 txpower = AH9300(ah)->paprd_training_power;
785 set_11n_tx_power(1, AH_MIN(txpower, series[1].tx_power_cap));
788 /* Series 2 TxPower */
790 tx_mode = ar9300_get_tx_mode(series[2].RateFlags);
791 txpower = ar9300_get_rate_txpower(
792 ah, mode, series[2].RateIndex, series[2].ChSel, tx_mode);
794 txpower = AH9300(ah)->paprd_training_power;
797 set_11n_tx_power(2, AH_MIN(txpower, series[2].tx_power_cap));
799 /* Series 3 TxPower */
801 tx_mode = ar9300_get_tx_mode(series[3].RateFlags);
802 txpower = ar9300_get_rate_txpower(
803 ah, mode, series[3].RateIndex, series[3].ChSel, tx_mode);
805 txpower = AH9300(ah)->paprd_training_power;
808 set_11n_tx_power(3, AH_MIN(txpower, series[3].tx_power_cap));
811 if (smart_antenna != 0xffffffff)
813 /* TX DESC dword 19 to 23 are used for smart antenna configuaration
814 * ctl19 for rate series 0 ... ctrl22 for series 3
815 * bits[2:0] used to configure smart anntenna
817 ant = (smart_antenna&0x000000ff);
818 ads->ds_ctl19 |= ant; /* rateseries 0 */
820 ant = (smart_antenna&0x0000ff00) >> 8;
821 ads->ds_ctl20 |= ant; /* rateseries 1 */
823 ant = (smart_antenna&0x00ff0000) >> 16;
824 ads->ds_ctl21 |= ant; /* rateseries 2 */
826 ant = (smart_antenna&0xff000000) >> 24;
827 ads->ds_ctl22 |= ant; /* rateseries 3 */
830 #ifdef AH_NEED_DESC_SWAP
831 last_ads->ds_ctl13 = __bswap32(ads->ds_ctl13);
832 last_ads->ds_ctl14 = __bswap32(ads->ds_ctl14);
834 last_ads->ds_ctl13 = ads->ds_ctl13;
835 last_ads->ds_ctl14 = ads->ds_ctl14;
840 ar9300_set_11n_aggr_first(struct ath_hal *ah, struct ath_desc *ds,
841 u_int aggr_len, u_int num_delims)
843 struct ar9300_txc *ads = AR9300TXC(ds);
845 ads->ds_ctl12 |= (AR_is_aggr | AR_more_aggr);
847 ads->ds_ctl17 &= ~AR_aggr_len;
848 ads->ds_ctl17 &= ~AR_pad_delim;
849 /* XXX should use a stack variable! */
850 ads->ds_ctl17 |= SM(aggr_len, AR_aggr_len);
851 ads->ds_ctl17 |= SM(num_delims, AR_pad_delim);
855 ar9300_set_11n_aggr_middle(struct ath_hal *ah, struct ath_desc *ds,
858 struct ar9300_txc *ads = AR9300TXC(ds);
861 ads->ds_ctl12 |= (AR_is_aggr | AR_more_aggr);
864 * We use a stack variable to manipulate ctl6 to reduce uncached
865 * read modify, modfiy, write.
867 ctl17 = ads->ds_ctl17;
868 ctl17 &= ~AR_pad_delim;
869 ctl17 |= SM(num_delims, AR_pad_delim);
870 ads->ds_ctl17 = ctl17;
874 ar9300_set_11n_aggr_last(struct ath_hal *ah, struct ath_desc *ds)
876 struct ar9300_txc *ads = AR9300TXC(ds);
878 ads->ds_ctl12 |= AR_is_aggr;
879 ads->ds_ctl12 &= ~AR_more_aggr;
880 ads->ds_ctl17 &= ~AR_pad_delim;
884 ar9300_clr_11n_aggr(struct ath_hal *ah, struct ath_desc *ds)
886 struct ar9300_txc *ads = AR9300TXC(ds);
888 ads->ds_ctl12 &= (~AR_is_aggr & ~AR_more_aggr);
892 ar9300_set_11n_burst_duration(struct ath_hal *ah, struct ath_desc *ds,
893 u_int burst_duration)
895 struct ar9300_txc *ads = AR9300TXC(ds);
897 ads->ds_ctl13 &= ~AR_burst_dur;
898 ads->ds_ctl13 |= SM(burst_duration, AR_burst_dur);
902 ar9300_set_11n_rifs_burst_middle(struct ath_hal *ah, void *ds)
904 struct ar9300_txc *ads = AR9300TXC(ds);
906 ads->ds_ctl12 |= AR_more_rifs | AR_no_ack;
910 ar9300_set_11n_rifs_burst_last(struct ath_hal *ah, void *ds)
912 struct ar9300_txc *ads = AR9300TXC(ds);
914 ads->ds_ctl12 &= (~AR_more_aggr & ~AR_more_rifs);
918 ar9300_clr_11n_rifs_burst(struct ath_hal *ah, void *ds)
920 struct ar9300_txc *ads = AR9300TXC(ds);
922 ads->ds_ctl12 &= (~AR_more_rifs & ~AR_no_ack);
926 ar9300_set_11n_aggr_rifs_burst(struct ath_hal *ah, void *ds)
928 struct ar9300_txc *ads = AR9300TXC(ds);
930 ads->ds_ctl12 |= AR_no_ack;
931 ads->ds_ctl12 &= ~AR_more_rifs;
935 ar9300_set_11n_virtual_more_frag(struct ath_hal *ah, struct ath_desc *ds,
938 struct ar9300_txc *ads = AR9300TXC(ds);
941 ads->ds_ctl11 |= AR_virt_more_frag;
943 ads->ds_ctl11 &= ~AR_virt_more_frag;
948 ar9300_get_desc_info(struct ath_hal *ah, HAL_DESC_INFO *desc_info)
950 desc_info->txctl_numwords = TXCTL_NUMWORDS(ah);
951 desc_info->txctl_offset = TXCTL_OFFSET(ah);
952 desc_info->txstatus_numwords = TXSTATUS_NUMWORDS(ah);
953 desc_info->txstatus_offset = TXSTATUS_OFFSET(ah);
955 desc_info->rxctl_numwords = RXCTL_NUMWORDS(ah);
956 desc_info->rxctl_offset = RXCTL_OFFSET(ah);
957 desc_info->rxstatus_numwords = RXSTATUS_NUMWORDS(ah);
958 desc_info->rxstatus_offset = RXSTATUS_OFFSET(ah);