Staging: brcm80211: remove OFFSETOF macro
[deliverable/linux.git] / drivers / staging / brcm80211 / sys / wlc_bmac.c
CommitLineData
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1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
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.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef WLC_LOW
18#error "This file needs WLC_LOW"
19#endif
20
21#include <wlc_cfg.h>
22#include <typedefs.h>
3327989a 23#include <linuxver.h>
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24#include <bcmdefs.h>
25#include <osl.h>
48c51a8c 26#include <linux/kernel.h>
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27#include <proto/802.11.h>
28#include <bcmwifi.h>
29#include <bcmutils.h>
30#include <siutils.h>
31#include <bcmendian.h>
32#include <wlioctl.h>
33#include <sbconfig.h>
34#include <sbchipc.h>
35#include <pcicfg.h>
36#include <sbhndpio.h>
37#include <sbhnddma.h>
38#include <hnddma.h>
39#include <hndpmu.h>
40#include <d11.h>
41#include <wlc_rate.h>
42#include <wlc_pub.h>
43#include <wlc_channel.h>
44#include <bcmsrom.h>
45#include <wlc_key.h>
46/* BMAC_NOTE: a WLC_HIGH compile include of wlc.h adds in more structures and type
47 * dependencies. Need to include these to files to allow a clean include of wlc.h
48 * with WLC_HIGH defined.
49 * At some point we may be able to skip the include of wlc.h and instead just
50 * define a stub wlc_info and band struct to allow rpc calls to get the rpc handle.
51 */
52#include <wlc_mac80211.h>
53#include <wlc_bmac.h>
54#include <wlc_phy_shim.h>
55#include <wlc_phy_hal.h>
56#include <wl_export.h>
57#include "wl_ucode.h"
58#include "d11ucode_ext.h"
59#ifdef BCMSDIO
60#include <bcmsdh.h>
61#endif
62#include <bcmotp.h>
63
64/* BMAC_NOTE: With WLC_HIGH defined, some fns in this file make calls to high level
65 * functions defined in the headers below. We should be eliminating those calls and
66 * will be able to delete these include lines.
67 */
68#include <wlc_antsel.h>
69
70#include <pcie_core.h>
71
72#include <wlc_alloc.h>
73
74#define TIMER_INTERVAL_WATCHDOG_BMAC 1000 /* watchdog timer, in unit of ms */
75
76#define SYNTHPU_DLY_APHY_US 3700 /* a phy synthpu_dly time in us */
77#define SYNTHPU_DLY_BPHY_US 1050 /* b/g phy synthpu_dly time in us, default */
78#define SYNTHPU_DLY_NPHY_US 2048 /* n phy REV3 synthpu_dly time in us, default */
79#define SYNTHPU_DLY_LPPHY_US 300 /* lpphy synthpu_dly time in us */
80
81#define SYNTHPU_DLY_PHY_US_QT 100 /* QT synthpu_dly time in us */
82
83#ifndef BMAC_DUP_TO_REMOVE
84#define WLC_RM_WAIT_TX_SUSPEND 4 /* Wait Tx Suspend */
85
86#define ANTCNT 10 /* vanilla M_MAX_ANTCNT value */
87
88#endif /* BMAC_DUP_TO_REMOVE */
89
90#define DMAREG(wlc_hw, direction, fifonum) (D11REV_LT(wlc_hw->corerev, 11) ? \
91 ((direction == DMA_TX) ? \
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92 (void *)(uintptr)&(wlc_hw->regs->fifo.f32regs.dmaregs[fifonum].xmt) : \
93 (void *)(uintptr)&(wlc_hw->regs->fifo.f32regs.dmaregs[fifonum].rcv)) : \
a9533e7e 94 ((direction == DMA_TX) ? \
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95 (void *)(uintptr)&(wlc_hw->regs->fifo.f64regs[fifonum].dmaxmt) : \
96 (void *)(uintptr)&(wlc_hw->regs->fifo.f64regs[fifonum].dmarcv)))
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97
98/*
99 * The following table lists the buffer memory allocated to xmt fifos in HW.
100 * the size is in units of 256bytes(one block), total size is HW dependent
101 * ucode has default fifo partition, sw can overwrite if necessary
102 *
103 * This is documented in twiki under the topic UcodeTxFifo. Please ensure
104 * the twiki is updated before making changes.
105 */
106
107#define XMTFIFOTBL_STARTREV 20 /* Starting corerev for the fifo size table */
108
7d4df48e 109static u16 xmtfifo_sz[][NFIFO] = {
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110 {20, 192, 192, 21, 17, 5}, /* corerev 20: 5120, 49152, 49152, 5376, 4352, 1280 */
111 {9, 58, 22, 14, 14, 5}, /* corerev 21: 2304, 14848, 5632, 3584, 3584, 1280 */
112 {20, 192, 192, 21, 17, 5}, /* corerev 22: 5120, 49152, 49152, 5376, 4352, 1280 */
113 {20, 192, 192, 21, 17, 5}, /* corerev 23: 5120, 49152, 49152, 5376, 4352, 1280 */
114 {9, 58, 22, 14, 14, 5}, /* corerev 24: 2304, 14848, 5632, 3584, 3584, 1280 */
115};
116
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117static void wlc_clkctl_clk(wlc_hw_info_t *wlc, uint mode);
118static void wlc_coreinit(wlc_info_t *wlc);
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119
120/* used by wlc_wakeucode_init() */
7cc4a4c0 121static void wlc_write_inits(wlc_hw_info_t *wlc_hw, const d11init_t *inits);
66cbd3ab 122static void wlc_ucode_write(wlc_hw_info_t *wlc_hw, const u32 ucode[],
a9533e7e 123 const uint nbytes);
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124static void wlc_ucode_download(wlc_hw_info_t *wlc);
125static void wlc_ucode_txant_set(wlc_hw_info_t *wlc_hw);
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126
127/* used by wlc_dpc() */
7cc4a4c0 128static bool wlc_bmac_dotxstatus(wlc_hw_info_t *wlc, tx_status_t *txs,
66cbd3ab 129 u32 s2);
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130static bool wlc_bmac_txstatus_corerev4(wlc_hw_info_t *wlc);
131static bool wlc_bmac_txstatus(wlc_hw_info_t *wlc, bool bound, bool *fatal);
132static bool wlc_bmac_recv(wlc_hw_info_t *wlc_hw, uint fifo, bool bound);
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133
134/* used by wlc_down() */
7cc4a4c0 135static void wlc_flushqueues(wlc_info_t *wlc);
a9533e7e 136
7d4df48e 137static void wlc_write_mhf(wlc_hw_info_t *wlc_hw, u16 *mhfs);
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138static void wlc_mctrl_reset(wlc_hw_info_t *wlc_hw);
139static void wlc_corerev_fifofixup(wlc_hw_info_t *wlc_hw);
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140
141/* Low Level Prototypes */
7d4df48e 142static u16 wlc_bmac_read_objmem(wlc_hw_info_t *wlc_hw, uint offset,
66cbd3ab 143 u32 sel);
7d4df48e 144static void wlc_bmac_write_objmem(wlc_hw_info_t *wlc_hw, uint offset, u16 v,
66cbd3ab 145 u32 sel);
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146static bool wlc_bmac_attach_dmapio(wlc_info_t *wlc, uint j, bool wme);
147static void wlc_bmac_detach_dmapio(wlc_hw_info_t *wlc_hw);
148static void wlc_ucode_bsinit(wlc_hw_info_t *wlc_hw);
149static bool wlc_validboardtype(wlc_hw_info_t *wlc);
150static bool wlc_isgoodchip(wlc_hw_info_t *wlc_hw);
151static char *wlc_get_macaddr(wlc_hw_info_t *wlc_hw);
7d4df48e 152static void wlc_mhfdef(wlc_info_t *wlc, u16 *mhfs, u16 mhf2_init);
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153static void wlc_mctrl_write(wlc_hw_info_t *wlc_hw);
154static void wlc_ucode_mute_override_set(wlc_hw_info_t *wlc_hw);
155static void wlc_ucode_mute_override_clear(wlc_hw_info_t *wlc_hw);
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156static u32 wlc_wlintrsoff(wlc_info_t *wlc);
157static void wlc_wlintrsrestore(wlc_info_t *wlc, u32 macintmask);
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158static void wlc_gpio_init(wlc_info_t *wlc);
159static void wlc_write_hw_bcntemplate0(wlc_hw_info_t *wlc_hw, void *bcn,
a9533e7e 160 int len);
7cc4a4c0 161static void wlc_write_hw_bcntemplate1(wlc_hw_info_t *wlc_hw, void *bcn,
a9533e7e 162 int len);
7cc4a4c0 163static void wlc_bmac_bsinit(wlc_info_t *wlc, chanspec_t chanspec);
66cbd3ab 164static u32 wlc_setband_inact(wlc_info_t *wlc, uint bandunit);
7cc4a4c0 165static void wlc_bmac_setband(wlc_hw_info_t *wlc_hw, uint bandunit,
a9533e7e 166 chanspec_t chanspec);
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167static void wlc_bmac_update_slot_timing(wlc_hw_info_t *wlc_hw, bool shortslot);
168static void wlc_upd_ofdm_pctl1_table(wlc_hw_info_t *wlc_hw);
7d4df48e 169static u16 wlc_bmac_ofdm_ratetable_offset(wlc_hw_info_t *wlc_hw,
41feb5ed 170 u8 rate);
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171
172/* === Low Level functions === */
173
7cc4a4c0 174void wlc_bmac_set_shortslot(wlc_hw_info_t *wlc_hw, bool shortslot)
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175{
176 wlc_hw->shortslot = shortslot;
177
178 if (BAND_2G(wlc_hw->band->bandtype) && wlc_hw->up) {
179 wlc_suspend_mac_and_wait(wlc_hw->wlc);
180 wlc_bmac_update_slot_timing(wlc_hw, shortslot);
181 wlc_enable_mac(wlc_hw->wlc);
182 }
183}
184
185/*
186 * Update the slot timing for standard 11b/g (20us slots)
187 * or shortslot 11g (9us slots)
188 * The PSM needs to be suspended for this call.
189 */
7cc4a4c0 190static void wlc_bmac_update_slot_timing(wlc_hw_info_t *wlc_hw, bool shortslot)
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191{
192 osl_t *osh;
193 d11regs_t *regs;
194
195 osh = wlc_hw->osh;
196 regs = wlc_hw->regs;
197
198 if (shortslot) {
199 /* 11g short slot: 11a timing */
200 W_REG(osh, &regs->ifs_slot, 0x0207); /* APHY_SLOT_TIME */
201 wlc_bmac_write_shm(wlc_hw, M_DOT11_SLOT, APHY_SLOT_TIME);
202 } else {
203 /* 11g long slot: 11b timing */
204 W_REG(osh, &regs->ifs_slot, 0x0212); /* BPHY_SLOT_TIME */
205 wlc_bmac_write_shm(wlc_hw, M_DOT11_SLOT, BPHY_SLOT_TIME);
206 }
207}
208
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209static void WLBANDINITFN(wlc_ucode_bsinit) (wlc_hw_info_t *wlc_hw)
210{
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211 /* init microcode host flags */
212 wlc_write_mhf(wlc_hw, wlc_hw->band->mhfs);
213
214 /* do band-specific ucode IHR, SHM, and SCR inits */
215 if (D11REV_IS(wlc_hw->corerev, 23)) {
216 if (WLCISNPHY(wlc_hw->band)) {
217 wlc_write_inits(wlc_hw, d11n0bsinitvals16);
218 } else {
219 WL_ERROR(("%s: wl%d: unsupported phy in corerev %d\n",
220 __func__, wlc_hw->unit, wlc_hw->corerev));
221 }
222 } else {
223 if (D11REV_IS(wlc_hw->corerev, 24)) {
224 if (WLCISLCNPHY(wlc_hw->band)) {
225 wlc_write_inits(wlc_hw, d11lcn0bsinitvals24);
226 } else
227 WL_ERROR(("%s: wl%d: unsupported phy in corerev %d\n", __func__, wlc_hw->unit, wlc_hw->corerev));
228 } else {
229 WL_ERROR(("%s: wl%d: unsupported corerev %d\n",
230 __func__, wlc_hw->unit, wlc_hw->corerev));
231 }
232 }
233}
234
235/* switch to new band but leave it inactive */
66cbd3ab 236static u32 WLBANDINITFN(wlc_setband_inact) (wlc_info_t *wlc, uint bandunit)
a2627bc0 237{
a9533e7e 238 wlc_hw_info_t *wlc_hw = wlc->hw;
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239 u32 macintmask;
240 u32 tmp;
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241
242 WL_TRACE(("wl%d: wlc_setband_inact\n", wlc_hw->unit));
243
244 ASSERT(bandunit != wlc_hw->band->bandunit);
245 ASSERT(si_iscoreup(wlc_hw->sih));
246 ASSERT((R_REG(wlc_hw->osh, &wlc_hw->regs->maccontrol) & MCTL_EN_MAC) ==
247 0);
248
249 /* disable interrupts */
250 macintmask = wl_intrsoff(wlc->wl);
251
252 /* radio off */
253 wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
254
255 ASSERT(wlc_hw->clk);
256
257 if (D11REV_LT(wlc_hw->corerev, 17))
258 tmp = R_REG(wlc_hw->osh, &wlc_hw->regs->maccontrol);
259
260 wlc_bmac_core_phy_clk(wlc_hw, OFF);
261
262 wlc_setxband(wlc_hw, bandunit);
263
90ea2296 264 return macintmask;
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265}
266
267/* Process received frames */
268/*
269 * Return TRUE if more frames need to be processed. FALSE otherwise.
270 * Param 'bound' indicates max. # frames to process before break out.
271 */
272static bool BCMFASTPATH
7cc4a4c0 273wlc_bmac_recv(wlc_hw_info_t *wlc_hw, uint fifo, bool bound)
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274{
275 void *p;
276 void *head = NULL;
277 void *tail = NULL;
278 uint n = 0;
279 uint bound_limit = bound ? wlc_hw->wlc->pub->tunables->rxbnd : -1;
66cbd3ab 280 u32 tsf_h, tsf_l;
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281 wlc_d11rxhdr_t *wlc_rxhdr = NULL;
282
283 WL_TRACE(("wl%d: %s\n", wlc_hw->unit, __func__));
284 /* gather received frames */
285 while ((p = dma_rx(wlc_hw->di[fifo]))) {
286
287 if (!tail)
288 head = tail = p;
289 else {
290 PKTSETLINK(tail, p);
291 tail = p;
292 }
293
294 /* !give others some time to run! */
295 if (++n >= bound_limit)
296 break;
297 }
298
299 /* get the TSF REG reading */
300 wlc_bmac_read_tsf(wlc_hw, &tsf_l, &tsf_h);
301
302 /* post more rbufs */
303 dma_rxfill(wlc_hw->di[fifo]);
304
305 /* process each frame */
306 while ((p = head) != NULL) {
307 head = PKTLINK(head);
308 PKTSETLINK(p, NULL);
309
310 /* record the tsf_l in wlc_rxd11hdr */
311 wlc_rxhdr = (wlc_d11rxhdr_t *) PKTDATA(p);
312 wlc_rxhdr->tsf_l = htol32(tsf_l);
313
314 /* compute the RSSI from d11rxhdr and record it in wlc_rxd11hr */
315 wlc_phy_rssi_compute(wlc_hw->band->pi, wlc_rxhdr);
316
317 wlc_recv(wlc_hw->wlc, p);
318 }
319
90ea2296 320 return n >= bound_limit;
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321}
322
323/* second-level interrupt processing
324 * Return TRUE if another dpc needs to be re-scheduled. FALSE otherwise.
325 * Param 'bounded' indicates if applicable loops should be bounded.
326 */
7cc4a4c0 327bool BCMFASTPATH wlc_dpc(wlc_info_t *wlc, bool bounded)
a9533e7e 328{
66cbd3ab 329 u32 macintstatus;
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330 wlc_hw_info_t *wlc_hw = wlc->hw;
331 d11regs_t *regs = wlc_hw->regs;
332 bool fatal = FALSE;
333
334 if (DEVICEREMOVED(wlc)) {
335 WL_ERROR(("wl%d: %s: dead chip\n", wlc_hw->unit, __func__));
336 wl_down(wlc->wl);
337 return FALSE;
338 }
339
340 /* grab and clear the saved software intstatus bits */
341 macintstatus = wlc->macintstatus;
342 wlc->macintstatus = 0;
343
344 WL_TRACE(("wl%d: wlc_dpc: macintstatus 0x%x\n", wlc_hw->unit,
345 macintstatus));
346
347 if (macintstatus & MI_PRQ) {
348 /* Process probe request FIFO */
349 ASSERT(0 && "PRQ Interrupt in non-MBSS");
350 }
351
352 /* BCN template is available */
353 /* ZZZ: Use AP_ACTIVE ? */
354 if (AP_ENAB(wlc->pub) && (!APSTA_ENAB(wlc->pub) || wlc->aps_associated)
355 && (macintstatus & MI_BCNTPL)) {
356 wlc_update_beacon(wlc);
357 }
358
359 /* PMQ entry addition */
360 if (macintstatus & MI_PMQ) {
361 }
362
363 /* tx status */
364 if (macintstatus & MI_TFS) {
365 if (wlc_bmac_txstatus(wlc->hw, bounded, &fatal))
366 wlc->macintstatus |= MI_TFS;
367 if (fatal) {
368 WL_ERROR(("MI_TFS: fatal\n"));
369 goto fatal;
370 }
371 }
372
373 if (macintstatus & (MI_TBTT | MI_DTIM_TBTT))
374 wlc_tbtt(wlc, regs);
375
376 /* ATIM window end */
377 if (macintstatus & MI_ATIMWINEND) {
378 WL_TRACE(("wlc_isr: end of ATIM window\n"));
379
380 OR_REG(wlc_hw->osh, &regs->maccommand, wlc->qvalid);
381 wlc->qvalid = 0;
382 }
383
384 /* phy tx error */
385 if (macintstatus & MI_PHYTXERR) {
386 WLCNTINCR(wlc->pub->_cnt->txphyerr);
387 }
388
389 /* received data or control frame, MI_DMAINT is indication of RX_FIFO interrupt */
390 if (macintstatus & MI_DMAINT) {
391 if (wlc_bmac_recv(wlc_hw, RX_FIFO, bounded)) {
392 wlc->macintstatus |= MI_DMAINT;
393 }
394 }
395
396 /* TX FIFO suspend/flush completion */
397 if (macintstatus & MI_TXSTOP) {
398 if (wlc_bmac_tx_fifo_suspended(wlc_hw, TX_DATA_FIFO)) {
399 /* WL_ERROR(("dpc: fifo_suspend_comlete\n")); */
400 }
401 }
402
403 /* noise sample collected */
404 if (macintstatus & MI_BG_NOISE) {
405 wlc_phy_noise_sample_intr(wlc_hw->band->pi);
406 }
407
408 if (macintstatus & MI_GP0) {
409 WL_ERROR(("wl%d: PSM microcode watchdog fired at %d (seconds). Resetting.\n", wlc_hw->unit, wlc_hw->now));
410
411 printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n",
412 __func__, CHIPID(wlc_hw->sih->chip),
413 CHIPREV(wlc_hw->sih->chiprev));
414
415 WLCNTINCR(wlc->pub->_cnt->psmwds);
416
417 /* big hammer */
418 wl_init(wlc->wl);
419 }
420
421 /* gptimer timeout */
422 if (macintstatus & MI_TO) {
423 W_REG(wlc_hw->osh, &regs->gptimer, 0);
424 }
425
426 if (macintstatus & MI_RFDISABLE) {
427#if defined(BCMDBG)
66cbd3ab 428 u32 rfd = R_REG(wlc_hw->osh, &regs->phydebug) & PDBG_RFD;
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429#endif
430
431 WL_ERROR(("wl%d: MAC Detected a change on the RF Disable Input 0x%x\n", wlc_hw->unit, rfd));
432
433 WLCNTINCR(wlc->pub->_cnt->rfdisable);
434 }
435
436 /* send any enq'd tx packets. Just makes sure to jump start tx */
437 if (!pktq_empty(&wlc->active_queue->q))
438 wlc_send_q(wlc, wlc->active_queue);
439
440 ASSERT(wlc_ps_check(wlc));
441
442 /* make sure the bound indication and the implementation are in sync */
443 ASSERT(bounded == TRUE || wlc->macintstatus == 0);
444
445 /* it isn't done and needs to be resched if macintstatus is non-zero */
90ea2296 446 return wlc->macintstatus != 0;
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447
448 fatal:
449 wl_init(wlc->wl);
90ea2296 450 return wlc->macintstatus != 0;
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451}
452
453/* common low-level watchdog code */
454void wlc_bmac_watchdog(void *arg)
455{
456 wlc_info_t *wlc = (wlc_info_t *) arg;
457 wlc_hw_info_t *wlc_hw = wlc->hw;
458
459 WL_TRACE(("wl%d: wlc_bmac_watchdog\n", wlc_hw->unit));
460
461 if (!wlc_hw->up)
462 return;
463
464 /* increment second count */
465 wlc_hw->now++;
466
467 /* Check for FIFO error interrupts */
468 wlc_bmac_fifoerrors(wlc_hw);
469
470 /* make sure RX dma has buffers */
471 dma_rxfill(wlc->hw->di[RX_FIFO]);
472 if (D11REV_IS(wlc_hw->corerev, 4)) {
473 dma_rxfill(wlc->hw->di[RX_TXSTATUS_FIFO]);
474 }
475
476 wlc_phy_watchdog(wlc_hw->band->pi);
477}
478
479void
7cc4a4c0 480wlc_bmac_set_chanspec(wlc_hw_info_t *wlc_hw, chanspec_t chanspec, bool mute,
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481 struct txpwr_limits *txpwr)
482{
483 uint bandunit;
484
485 WL_TRACE(("wl%d: wlc_bmac_set_chanspec 0x%x\n", wlc_hw->unit,
486 chanspec));
487
488 wlc_hw->chanspec = chanspec;
489
490 /* Switch bands if necessary */
491 if (NBANDS_HW(wlc_hw) > 1) {
492 bandunit = CHSPEC_WLCBANDUNIT(chanspec);
493 if (wlc_hw->band->bandunit != bandunit) {
494 /* wlc_bmac_setband disables other bandunit,
495 * use light band switch if not up yet
496 */
497 if (wlc_hw->up) {
498 wlc_phy_chanspec_radio_set(wlc_hw->
499 bandstate[bandunit]->
500 pi, chanspec);
501 wlc_bmac_setband(wlc_hw, bandunit, chanspec);
502 } else {
503 wlc_setxband(wlc_hw, bandunit);
504 }
505 }
506 }
507
508 wlc_phy_initcal_enable(wlc_hw->band->pi, !mute);
509
510 if (!wlc_hw->up) {
511 if (wlc_hw->clk)
512 wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr,
513 chanspec);
514 wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
515 } else {
516 wlc_phy_chanspec_set(wlc_hw->band->pi, chanspec);
517 wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr, chanspec);
518
519 /* Update muting of the channel */
520 wlc_bmac_mute(wlc_hw, mute, 0);
521 }
522}
523
7cc4a4c0 524int wlc_bmac_revinfo_get(wlc_hw_info_t *wlc_hw, wlc_bmac_revinfo_t *revinfo)
a9533e7e
HP
525{
526 si_t *sih = wlc_hw->sih;
527 uint idx;
528
529 revinfo->vendorid = wlc_hw->vendorid;
530 revinfo->deviceid = wlc_hw->deviceid;
531
532 revinfo->boardrev = wlc_hw->boardrev;
533 revinfo->corerev = wlc_hw->corerev;
534 revinfo->sromrev = wlc_hw->sromrev;
535 revinfo->chiprev = sih->chiprev;
536 revinfo->chip = sih->chip;
537 revinfo->chippkg = sih->chippkg;
538 revinfo->boardtype = sih->boardtype;
539 revinfo->boardvendor = sih->boardvendor;
540 revinfo->bustype = sih->bustype;
541 revinfo->buscoretype = sih->buscoretype;
542 revinfo->buscorerev = sih->buscorerev;
543 revinfo->issim = sih->issim;
544
545 revinfo->nbands = NBANDS_HW(wlc_hw);
546
547 for (idx = 0; idx < NBANDS_HW(wlc_hw); idx++) {
548 wlc_hwband_t *band = wlc_hw->bandstate[idx];
549 revinfo->band[idx].bandunit = band->bandunit;
550 revinfo->band[idx].bandtype = band->bandtype;
551 revinfo->band[idx].phytype = band->phytype;
552 revinfo->band[idx].phyrev = band->phyrev;
553 revinfo->band[idx].radioid = band->radioid;
554 revinfo->band[idx].radiorev = band->radiorev;
555 revinfo->band[idx].abgphy_encore = band->abgphy_encore;
556 revinfo->band[idx].anarev = 0;
557
558 }
559 return 0;
560}
561
7cc4a4c0 562int wlc_bmac_state_get(wlc_hw_info_t *wlc_hw, wlc_bmac_state_t *state)
a9533e7e
HP
563{
564 state->machwcap = wlc_hw->machwcap;
565
566 return 0;
567}
568
569static bool
a2627bc0
JC
570BCMATTACHFN(wlc_bmac_attach_dmapio) (wlc_info_t *wlc, uint j, bool wme)
571{
a9533e7e
HP
572 uint i;
573 char name[8];
574 /* ucode host flag 2 needed for pio mode, independent of band and fifo */
7d4df48e 575 u16 pio_mhf2 = 0;
a9533e7e
HP
576 wlc_hw_info_t *wlc_hw = wlc->hw;
577 uint unit = wlc_hw->unit;
578 wlc_tunables_t *tune = wlc->pub->tunables;
579
580 /* name and offsets for dma_attach */
581 snprintf(name, sizeof(name), "wl%d", unit);
582
583 if (wlc_hw->di[0] == 0) { /* Init FIFOs */
584 uint addrwidth;
585 int dma_attach_err = 0;
586 osl_t *osh = wlc_hw->osh;
587
588 /* Find out the DMA addressing capability and let OS know
589 * All the channels within one DMA core have 'common-minimum' same
590 * capability
591 */
592 addrwidth =
593 dma_addrwidth(wlc_hw->sih, DMAREG(wlc_hw, DMA_TX, 0));
594 OSL_DMADDRWIDTH(osh, addrwidth);
595
596 if (!wl_alloc_dma_resources(wlc_hw->wlc->wl, addrwidth)) {
597 WL_ERROR(("wl%d: wlc_attach: alloc_dma_resources failed\n", unit));
598 return FALSE;
599 }
600
601 /*
602 * FIFO 0
603 * TX: TX_AC_BK_FIFO (TX AC Background data packets)
604 * RX: RX_FIFO (RX data packets)
605 */
606 ASSERT(TX_AC_BK_FIFO == 0);
607 ASSERT(RX_FIFO == 0);
608 wlc_hw->di[0] = dma_attach(osh, name, wlc_hw->sih,
609 (wme ? DMAREG(wlc_hw, DMA_TX, 0) :
610 NULL), DMAREG(wlc_hw, DMA_RX, 0),
611 (wme ? tune->ntxd : 0), tune->nrxd,
612 tune->rxbufsz, -1, tune->nrxbufpost,
613 WL_HWRXOFF, &wl_msg_level);
614 dma_attach_err |= (NULL == wlc_hw->di[0]);
615
616 /*
617 * FIFO 1
618 * TX: TX_AC_BE_FIFO (TX AC Best-Effort data packets)
619 * (legacy) TX_DATA_FIFO (TX data packets)
620 * RX: UNUSED
621 */
622 ASSERT(TX_AC_BE_FIFO == 1);
623 ASSERT(TX_DATA_FIFO == 1);
624 wlc_hw->di[1] = dma_attach(osh, name, wlc_hw->sih,
625 DMAREG(wlc_hw, DMA_TX, 1), NULL,
626 tune->ntxd, 0, 0, -1, 0, 0,
627 &wl_msg_level);
628 dma_attach_err |= (NULL == wlc_hw->di[1]);
629
630 /*
631 * FIFO 2
632 * TX: TX_AC_VI_FIFO (TX AC Video data packets)
633 * RX: UNUSED
634 */
635 ASSERT(TX_AC_VI_FIFO == 2);
636 wlc_hw->di[2] = dma_attach(osh, name, wlc_hw->sih,
637 DMAREG(wlc_hw, DMA_TX, 2), NULL,
638 tune->ntxd, 0, 0, -1, 0, 0,
639 &wl_msg_level);
640 dma_attach_err |= (NULL == wlc_hw->di[2]);
641 /*
642 * FIFO 3
643 * TX: TX_AC_VO_FIFO (TX AC Voice data packets)
644 * (legacy) TX_CTL_FIFO (TX control & mgmt packets)
645 * RX: RX_TXSTATUS_FIFO (transmit-status packets)
646 * for corerev < 5 only
647 */
648 ASSERT(TX_AC_VO_FIFO == 3);
649 ASSERT(TX_CTL_FIFO == 3);
650 if (D11REV_IS(wlc_hw->corerev, 4)) {
651 ASSERT(RX_TXSTATUS_FIFO == 3);
652 wlc_hw->di[3] = dma_attach(osh, name, wlc_hw->sih,
653 DMAREG(wlc_hw, DMA_TX, 3),
654 DMAREG(wlc_hw, DMA_RX, 3),
655 tune->ntxd, tune->nrxd,
656 sizeof(tx_status_t), -1,
657 tune->nrxbufpost, 0,
658 &wl_msg_level);
659 dma_attach_err |= (NULL == wlc_hw->di[3]);
660 } else {
661 wlc_hw->di[3] = dma_attach(osh, name, wlc_hw->sih,
662 DMAREG(wlc_hw, DMA_TX, 3),
663 NULL, tune->ntxd, 0, 0, -1,
664 0, 0, &wl_msg_level);
665 dma_attach_err |= (NULL == wlc_hw->di[3]);
666 }
667/* Cleaner to leave this as if with AP defined */
668
669 if (dma_attach_err) {
670 WL_ERROR(("wl%d: wlc_attach: dma_attach failed\n",
671 unit));
672 return FALSE;
673 }
674
675 /* get pointer to dma engine tx flow control variable */
676 for (i = 0; i < NFIFO; i++)
677 if (wlc_hw->di[i])
678 wlc_hw->txavail[i] =
679 (uint *) dma_getvar(wlc_hw->di[i],
680 "&txavail");
681 }
682
683 /* initial ucode host flags */
684 wlc_mhfdef(wlc, wlc_hw->band->mhfs, pio_mhf2);
685
686 return TRUE;
687}
688
a2627bc0
JC
689static void BCMATTACHFN(wlc_bmac_detach_dmapio) (wlc_hw_info_t *wlc_hw)
690{
a9533e7e
HP
691 uint j;
692
693 for (j = 0; j < NFIFO; j++) {
694 if (wlc_hw->di[j]) {
695 dma_detach(wlc_hw->di[j]);
696 wlc_hw->di[j] = NULL;
697 }
698 }
699}
700
701/* low level attach
702 * run backplane attach, init nvram
703 * run phy attach
704 * initialize software state for each core and band
705 * put the whole chip in reset(driver down state), no clock
706 */
707
708int
7d4df48e 709BCMATTACHFN(wlc_bmac_attach) (wlc_info_t *wlc, u16 vendor, u16 device,
7cc4a4c0 710 uint unit, bool piomode, osl_t *osh,
a9533e7e
HP
711 void *regsva, uint bustype, void *btparam) {
712 wlc_hw_info_t *wlc_hw;
713 d11regs_t *regs;
714 char *macaddr = NULL;
715 char *vars;
716 uint err = 0;
717 uint j;
718 bool wme = FALSE;
719 shared_phy_params_t sha_params;
720
721 WL_TRACE(("wl%d: wlc_bmac_attach: vendor 0x%x device 0x%x\n", unit,
722 vendor, device));
723
724 ASSERT(sizeof(wlc_d11rxhdr_t) <= WL_HWRXOFF);
725
726 wme = TRUE;
727
728 wlc_hw = wlc->hw;
729 wlc_hw->wlc = wlc;
730 wlc_hw->unit = unit;
731 wlc_hw->osh = osh;
732 wlc_hw->band = wlc_hw->bandstate[0];
733 wlc_hw->_piomode = piomode;
734
735 /* populate wlc_hw_info_t with default values */
736 wlc_bmac_info_init(wlc_hw);
737
738 /*
739 * Do the hardware portion of the attach.
740 * Also initialize software state that depends on the particular hardware
741 * we are running.
742 */
743 wlc_hw->sih = si_attach((uint) device, osh, regsva, bustype, btparam,
744 &wlc_hw->vars, &wlc_hw->vars_size);
745 if (wlc_hw->sih == NULL) {
746 WL_ERROR(("wl%d: wlc_bmac_attach: si_attach failed\n", unit));
747 err = 11;
748 goto fail;
749 }
750 vars = wlc_hw->vars;
751
752 /*
753 * Get vendid/devid nvram overwrites, which could be different
754 * than those the BIOS recognizes for devices on PCMCIA_BUS,
755 * SDIO_BUS, and SROMless devices on PCI_BUS.
756 */
757#ifdef BCMBUSTYPE
758 bustype = BCMBUSTYPE;
759#endif
760 if (bustype != SI_BUS) {
761 char *var;
762
ca8c1e59
JC
763 var = getvar(vars, "vendid");
764 if (var) {
7d4df48e 765 vendor = (u16) simple_strtoul(var, NULL, 0);
a9533e7e
HP
766 WL_ERROR(("Overriding vendor id = 0x%x\n", vendor));
767 }
ca8c1e59
JC
768 var = getvar(vars, "devid");
769 if (var) {
7d4df48e 770 u16 devid = (u16) simple_strtoul(var, NULL, 0);
a9533e7e
HP
771 if (devid != 0xffff) {
772 device = devid;
773 WL_ERROR(("Overriding device id = 0x%x\n",
774 device));
775 }
776 }
777
778 /* verify again the device is supported */
779 if (!wlc_chipmatch(vendor, device)) {
780 WL_ERROR(("wl%d: wlc_bmac_attach: Unsupported vendor/device (0x%x/0x%x)\n", unit, vendor, device));
781 err = 12;
782 goto fail;
783 }
784 }
785
786 wlc_hw->vendorid = vendor;
787 wlc_hw->deviceid = device;
788
789 /* set bar0 window to point at D11 core */
790 wlc_hw->regs = (d11regs_t *) si_setcore(wlc_hw->sih, D11_CORE_ID, 0);
791 wlc_hw->corerev = si_corerev(wlc_hw->sih);
792
793 regs = wlc_hw->regs;
794
795 wlc->regs = wlc_hw->regs;
796
797 /* validate chip, chiprev and corerev */
798 if (!wlc_isgoodchip(wlc_hw)) {
799 err = 13;
800 goto fail;
801 }
802
803 /* initialize power control registers */
804 si_clkctl_init(wlc_hw->sih);
805
806 /* request fastclock and force fastclock for the rest of attach
807 * bring the d11 core out of reset.
808 * For PMU chips, the first wlc_clkctl_clk is no-op since core-clk is still FALSE;
809 * But it will be called again inside wlc_corereset, after d11 is out of reset.
810 */
811 wlc_clkctl_clk(wlc_hw, CLK_FAST);
812 wlc_bmac_corereset(wlc_hw, WLC_USE_COREFLAGS);
813
814 if (!wlc_bmac_validate_chip_access(wlc_hw)) {
815 WL_ERROR(("wl%d: wlc_bmac_attach: validate_chip_access failed\n", unit));
816 err = 14;
817 goto fail;
818 }
819
820 /* get the board rev, used just below */
821 j = getintvar(vars, "boardrev");
822 /* promote srom boardrev of 0xFF to 1 */
823 if (j == BOARDREV_PROMOTABLE)
824 j = BOARDREV_PROMOTED;
7d4df48e 825 wlc_hw->boardrev = (u16) j;
a9533e7e
HP
826 if (!wlc_validboardtype(wlc_hw)) {
827 WL_ERROR(("wl%d: wlc_bmac_attach: Unsupported Broadcom board type (0x%x)" " or revision level (0x%x)\n", unit, wlc_hw->sih->boardtype, wlc_hw->boardrev));
828 err = 15;
829 goto fail;
830 }
41feb5ed 831 wlc_hw->sromrev = (u8) getintvar(vars, "sromrev");
66cbd3ab
GKH
832 wlc_hw->boardflags = (u32) getintvar(vars, "boardflags");
833 wlc_hw->boardflags2 = (u32) getintvar(vars, "boardflags2");
a9533e7e
HP
834
835 if (D11REV_LE(wlc_hw->corerev, 4)
836 || (wlc_hw->boardflags & BFL_NOPLLDOWN))
837 wlc_bmac_pllreq(wlc_hw, TRUE, WLC_PLLREQ_SHARED);
838
839 if ((BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS)
840 && (si_pci_war16165(wlc_hw->sih)))
841 wlc->war16165 = TRUE;
842
843 /* check device id(srom, nvram etc.) to set bands */
844 if (wlc_hw->deviceid == BCM43224_D11N_ID) {
845 /* Dualband boards */
846 wlc_hw->_nbands = 2;
847 } else
848 wlc_hw->_nbands = 1;
849
850 if ((CHIPID(wlc_hw->sih->chip) == BCM43225_CHIP_ID))
851 wlc_hw->_nbands = 1;
852
853 /* BMAC_NOTE: remove init of pub values when wlc_attach() unconditionally does the
854 * init of these values
855 */
856 wlc->vendorid = wlc_hw->vendorid;
857 wlc->deviceid = wlc_hw->deviceid;
858 wlc->pub->sih = wlc_hw->sih;
859 wlc->pub->corerev = wlc_hw->corerev;
860 wlc->pub->sromrev = wlc_hw->sromrev;
861 wlc->pub->boardrev = wlc_hw->boardrev;
862 wlc->pub->boardflags = wlc_hw->boardflags;
863 wlc->pub->boardflags2 = wlc_hw->boardflags2;
864 wlc->pub->_nbands = wlc_hw->_nbands;
865
866 wlc_hw->physhim = wlc_phy_shim_attach(wlc_hw, wlc->wl, wlc);
867
868 if (wlc_hw->physhim == NULL) {
869 WL_ERROR(("wl%d: wlc_bmac_attach: wlc_phy_shim_attach failed\n",
870 unit));
871 err = 25;
872 goto fail;
873 }
874
875 /* pass all the parameters to wlc_phy_shared_attach in one struct */
876 sha_params.osh = osh;
877 sha_params.sih = wlc_hw->sih;
878 sha_params.physhim = wlc_hw->physhim;
879 sha_params.unit = unit;
880 sha_params.corerev = wlc_hw->corerev;
881 sha_params.vars = vars;
882 sha_params.vid = wlc_hw->vendorid;
883 sha_params.did = wlc_hw->deviceid;
884 sha_params.chip = wlc_hw->sih->chip;
885 sha_params.chiprev = wlc_hw->sih->chiprev;
886 sha_params.chippkg = wlc_hw->sih->chippkg;
887 sha_params.sromrev = wlc_hw->sromrev;
888 sha_params.boardtype = wlc_hw->sih->boardtype;
889 sha_params.boardrev = wlc_hw->boardrev;
890 sha_params.boardvendor = wlc_hw->sih->boardvendor;
891 sha_params.boardflags = wlc_hw->boardflags;
892 sha_params.boardflags2 = wlc_hw->boardflags2;
893 sha_params.bustype = wlc_hw->sih->bustype;
894 sha_params.buscorerev = wlc_hw->sih->buscorerev;
895
896 /* alloc and save pointer to shared phy state area */
897 wlc_hw->phy_sh = wlc_phy_shared_attach(&sha_params);
898 if (!wlc_hw->phy_sh) {
899 err = 16;
900 goto fail;
901 }
902
903 /* initialize software state for each core and band */
904 for (j = 0; j < NBANDS_HW(wlc_hw); j++) {
905 /*
906 * band0 is always 2.4Ghz
907 * band1, if present, is 5Ghz
908 */
909
910 /* So if this is a single band 11a card, use band 1 */
911 if (IS_SINGLEBAND_5G(wlc_hw->deviceid))
912 j = BAND_5G_INDEX;
913
914 wlc_setxband(wlc_hw, j);
915
916 wlc_hw->band->bandunit = j;
917 wlc_hw->band->bandtype = j ? WLC_BAND_5G : WLC_BAND_2G;
918 wlc->band->bandunit = j;
919 wlc->band->bandtype = j ? WLC_BAND_5G : WLC_BAND_2G;
920 wlc->core->coreidx = si_coreidx(wlc_hw->sih);
921
922 if (D11REV_GE(wlc_hw->corerev, 13)) {
923 wlc_hw->machwcap = R_REG(wlc_hw->osh, &regs->machwcap);
924 wlc_hw->machwcap_backup = wlc_hw->machwcap;
925 }
926
927 /* init tx fifo size */
928 ASSERT((wlc_hw->corerev - XMTFIFOTBL_STARTREV) <
929 ARRAYSIZE(xmtfifo_sz));
930 wlc_hw->xmtfifo_sz =
931 xmtfifo_sz[(wlc_hw->corerev - XMTFIFOTBL_STARTREV)];
932
933 /* Get a phy for this band */
ca8c1e59
JC
934 wlc_hw->band->pi = wlc_phy_attach(wlc_hw->phy_sh,
935 (void *)(uintptr) regs, wlc_hw->band->bandtype, vars);
936 if (wlc_hw->band->pi == NULL) {
a9533e7e
HP
937 WL_ERROR(("wl%d: wlc_bmac_attach: wlc_phy_attach failed\n", unit));
938 err = 17;
939 goto fail;
940 }
941
942 wlc_phy_machwcap_set(wlc_hw->band->pi, wlc_hw->machwcap);
943
944 wlc_phy_get_phyversion(wlc_hw->band->pi, &wlc_hw->band->phytype,
945 &wlc_hw->band->phyrev,
946 &wlc_hw->band->radioid,
947 &wlc_hw->band->radiorev);
948 wlc_hw->band->abgphy_encore =
949 wlc_phy_get_encore(wlc_hw->band->pi);
950 wlc->band->abgphy_encore = wlc_phy_get_encore(wlc_hw->band->pi);
951 wlc_hw->band->core_flags =
952 wlc_phy_get_coreflags(wlc_hw->band->pi);
953
954 /* verify good phy_type & supported phy revision */
955 if (WLCISNPHY(wlc_hw->band)) {
956 if (NCONF_HAS(wlc_hw->band->phyrev))
957 goto good_phy;
958 else
959 goto bad_phy;
960 } else if (WLCISLCNPHY(wlc_hw->band)) {
961 if (LCNCONF_HAS(wlc_hw->band->phyrev))
962 goto good_phy;
963 else
964 goto bad_phy;
965 } else {
966 bad_phy:
967 WL_ERROR(("wl%d: wlc_bmac_attach: unsupported phy type/rev (%d/%d)\n", unit, wlc_hw->band->phytype, wlc_hw->band->phyrev));
968 err = 18;
969 goto fail;
970 }
971
972 good_phy:
973 /* BMAC_NOTE: wlc->band->pi should not be set below and should be done in the
974 * high level attach. However we can not make that change until all low level access
975 * is changed to wlc_hw->band->pi. Instead do the wlc->band->pi init below, keeping
976 * wlc_hw->band->pi as well for incremental update of low level fns, and cut over
977 * low only init when all fns updated.
978 */
979 wlc->band->pi = wlc_hw->band->pi;
980 wlc->band->phytype = wlc_hw->band->phytype;
981 wlc->band->phyrev = wlc_hw->band->phyrev;
982 wlc->band->radioid = wlc_hw->band->radioid;
983 wlc->band->radiorev = wlc_hw->band->radiorev;
984
985 /* default contention windows size limits */
986 wlc_hw->band->CWmin = APHY_CWMIN;
987 wlc_hw->band->CWmax = PHY_CWMAX;
988
989 if (!wlc_bmac_attach_dmapio(wlc, j, wme)) {
990 err = 19;
991 goto fail;
992 }
993 }
994
995 /* disable core to match driver "down" state */
996 wlc_coredisable(wlc_hw);
997
998 /* Match driver "down" state */
999 if (BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS)
1000 si_pci_down(wlc_hw->sih);
1001
1002 /* register sb interrupt callback functions */
1003 si_register_intr_callback(wlc_hw->sih, (void *)wlc_wlintrsoff,
1004 (void *)wlc_wlintrsrestore, NULL, wlc);
1005
1006 /* turn off pll and xtal to match driver "down" state */
1007 wlc_bmac_xtal(wlc_hw, OFF);
1008
1009 /* *********************************************************************
1010 * The hardware is in the DOWN state at this point. D11 core
1011 * or cores are in reset with clocks off, and the board PLLs
1012 * are off if possible.
1013 *
1014 * Beyond this point, wlc->sbclk == FALSE and chip registers
1015 * should not be touched.
1016 *********************************************************************
1017 */
1018
1019 /* init etheraddr state variables */
ca8c1e59
JC
1020 macaddr = wlc_get_macaddr(wlc_hw);
1021 if (macaddr == NULL) {
a9533e7e
HP
1022 WL_ERROR(("wl%d: wlc_bmac_attach: macaddr not found\n", unit));
1023 err = 21;
1024 goto fail;
1025 }
1026 bcm_ether_atoe(macaddr, &wlc_hw->etheraddr);
1027 if (ETHER_ISBCAST((char *)&wlc_hw->etheraddr) ||
1028 ETHER_ISNULLADDR((char *)&wlc_hw->etheraddr)) {
1029 WL_ERROR(("wl%d: wlc_bmac_attach: bad macaddr %s\n", unit,
1030 macaddr));
1031 err = 22;
1032 goto fail;
1033 }
1034
1035 WL_ERROR(("%s:: deviceid 0x%x nbands %d board 0x%x macaddr: %s\n",
1036 __func__, wlc_hw->deviceid, wlc_hw->_nbands,
1037 wlc_hw->sih->boardtype, macaddr));
1038
1039 return err;
1040
1041 fail:
1042 WL_ERROR(("wl%d: wlc_bmac_attach: failed with err %d\n", unit, err));
1043 return err;
1044}
1045
1046/*
1047 * Initialize wlc_info default values ...
1048 * may get overrides later in this function
1049 * BMAC_NOTES, move low out and resolve the dangling ones
1050 */
a2627bc0
JC
1051void BCMATTACHFN(wlc_bmac_info_init) (wlc_hw_info_t *wlc_hw)
1052{
a9533e7e
HP
1053 wlc_info_t *wlc = wlc_hw->wlc;
1054
1055 /* set default sw macintmask value */
1056 wlc->defmacintmask = DEF_MACINTMASK;
1057
1058 /* various 802.11g modes */
1059 wlc_hw->shortslot = FALSE;
1060
1061 wlc_hw->SFBL = RETRY_SHORT_FB;
1062 wlc_hw->LFBL = RETRY_LONG_FB;
1063
1064 /* default mac retry limits */
1065 wlc_hw->SRL = RETRY_SHORT_DEF;
1066 wlc_hw->LRL = RETRY_LONG_DEF;
1067 wlc_hw->chanspec = CH20MHZ_CHSPEC(1);
1068}
1069
1070/*
1071 * low level detach
1072 */
a2627bc0
JC
1073int BCMATTACHFN(wlc_bmac_detach) (wlc_info_t *wlc)
1074{
a9533e7e
HP
1075 uint i;
1076 wlc_hwband_t *band;
1077 wlc_hw_info_t *wlc_hw = wlc->hw;
1078 int callbacks;
1079
1080 callbacks = 0;
1081
1082 if (wlc_hw->sih) {
1083 /* detach interrupt sync mechanism since interrupt is disabled and per-port
1084 * interrupt object may has been freed. this must be done before sb core switch
1085 */
1086 si_deregister_intr_callback(wlc_hw->sih);
1087
1088 if (BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS)
1089 si_pci_sleep(wlc_hw->sih);
1090 }
1091
1092 wlc_bmac_detach_dmapio(wlc_hw);
1093
1094 band = wlc_hw->band;
1095 for (i = 0; i < NBANDS_HW(wlc_hw); i++) {
1096 if (band->pi) {
1097 /* Detach this band's phy */
1098 wlc_phy_detach(band->pi);
1099 band->pi = NULL;
1100 }
1101 band = wlc_hw->bandstate[OTHERBANDUNIT(wlc)];
1102 }
1103
1104 /* Free shared phy state */
1105 wlc_phy_shared_detach(wlc_hw->phy_sh);
1106
1107 wlc_phy_shim_detach(wlc_hw->physhim);
1108
1109 /* free vars */
1110 if (wlc_hw->vars) {
1111 MFREE(wlc_hw->osh, wlc_hw->vars, wlc_hw->vars_size);
1112 wlc_hw->vars = NULL;
1113 }
1114
1115 if (wlc_hw->sih) {
1116 si_detach(wlc_hw->sih);
1117 wlc_hw->sih = NULL;
1118 }
1119
1120 return callbacks;
1121
1122}
1123
a2627bc0
JC
1124void BCMINITFN(wlc_bmac_reset) (wlc_hw_info_t *wlc_hw)
1125{
a9533e7e
HP
1126 WL_TRACE(("wl%d: wlc_bmac_reset\n", wlc_hw->unit));
1127
1128 WLCNTINCR(wlc_hw->wlc->pub->_cnt->reset);
1129
1130 /* reset the core */
1131 if (!DEVICEREMOVED(wlc_hw->wlc))
1132 wlc_bmac_corereset(wlc_hw, WLC_USE_COREFLAGS);
1133
1134 /* purge the dma rings */
1135 wlc_flushqueues(wlc_hw->wlc);
1136
1137 wlc_reset_bmac_done(wlc_hw->wlc);
1138}
1139
1140void
7cc4a4c0 1141BCMINITFN(wlc_bmac_init) (wlc_hw_info_t *wlc_hw, chanspec_t chanspec,
a9533e7e 1142 bool mute) {
66cbd3ab 1143 u32 macintmask;
a9533e7e
HP
1144 bool fastclk;
1145 wlc_info_t *wlc = wlc_hw->wlc;
1146
1147 WL_TRACE(("wl%d: wlc_bmac_init\n", wlc_hw->unit));
1148
1149 /* request FAST clock if not on */
ca8c1e59
JC
1150 fastclk = wlc_hw->forcefastclk;
1151 if (!fastclk)
a9533e7e
HP
1152 wlc_clkctl_clk(wlc_hw, CLK_FAST);
1153
1154 /* disable interrupts */
1155 macintmask = wl_intrsoff(wlc->wl);
1156
1157 /* set up the specified band and chanspec */
1158 wlc_setxband(wlc_hw, CHSPEC_WLCBANDUNIT(chanspec));
1159 wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
1160
1161 /* do one-time phy inits and calibration */
1162 wlc_phy_cal_init(wlc_hw->band->pi);
1163
1164 /* core-specific initialization */
1165 wlc_coreinit(wlc);
1166
1167 /* suspend the tx fifos and mute the phy for preism cac time */
1168 if (mute)
1169 wlc_bmac_mute(wlc_hw, ON, PHY_MUTE_FOR_PREISM);
1170
1171 /* band-specific inits */
1172 wlc_bmac_bsinit(wlc, chanspec);
1173
1174 /* restore macintmask */
1175 wl_intrsrestore(wlc->wl, macintmask);
1176
1177 /* seed wake_override with WLC_WAKE_OVERRIDE_MACSUSPEND since the mac is suspended
1178 * and wlc_enable_mac() will clear this override bit.
1179 */
1180 mboolset(wlc_hw->wake_override, WLC_WAKE_OVERRIDE_MACSUSPEND);
1181
1182 /*
1183 * initialize mac_suspend_depth to 1 to match ucode initial suspended state
1184 */
1185 wlc_hw->mac_suspend_depth = 1;
1186
1187 /* restore the clk */
1188 if (!fastclk)
1189 wlc_clkctl_clk(wlc_hw, CLK_DYNAMIC);
1190}
1191
a2627bc0
JC
1192int BCMINITFN(wlc_bmac_up_prep) (wlc_hw_info_t *wlc_hw)
1193{
a9533e7e
HP
1194 uint coremask;
1195
1196 WL_TRACE(("wl%d: %s:\n", wlc_hw->unit, __func__));
1197
1198 ASSERT(wlc_hw->wlc->pub->hw_up && wlc_hw->wlc->macintmask == 0);
1199
1200 /*
1201 * Enable pll and xtal, initialize the power control registers,
1202 * and force fastclock for the remainder of wlc_up().
1203 */
1204 wlc_bmac_xtal(wlc_hw, ON);
1205 si_clkctl_init(wlc_hw->sih);
1206 wlc_clkctl_clk(wlc_hw, CLK_FAST);
1207
1208 /*
1209 * Configure pci/pcmcia here instead of in wlc_attach()
1210 * to allow mfg hotswap: down, hotswap (chip power cycle), up.
1211 */
1212 coremask = (1 << wlc_hw->wlc->core->coreidx);
1213
1214 if (BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS)
1215 si_pci_setup(wlc_hw->sih, coremask);
1216
1217 ASSERT(si_coreid(wlc_hw->sih) == D11_CORE_ID);
1218
1219 /*
1220 * Need to read the hwradio status here to cover the case where the system
1221 * is loaded with the hw radio disabled. We do not want to bring the driver up in this case.
1222 */
1223 if (wlc_bmac_radio_read_hwdisabled(wlc_hw)) {
1224 /* put SB PCI in down state again */
1225 if (BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS)
1226 si_pci_down(wlc_hw->sih);
1227 wlc_bmac_xtal(wlc_hw, OFF);
1228 return BCME_RADIOOFF;
1229 }
1230
1231 if (BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS)
1232 si_pci_up(wlc_hw->sih);
1233
1234 /* reset the d11 core */
1235 wlc_bmac_corereset(wlc_hw, WLC_USE_COREFLAGS);
1236
1237 return 0;
1238}
1239
a2627bc0
JC
1240int BCMINITFN(wlc_bmac_up_finish) (wlc_hw_info_t *wlc_hw)
1241{
a9533e7e
HP
1242 WL_TRACE(("wl%d: %s:\n", wlc_hw->unit, __func__));
1243
1244 wlc_hw->up = TRUE;
1245 wlc_phy_hw_state_upd(wlc_hw->band->pi, TRUE);
1246
1247 /* FULLY enable dynamic power control and d11 core interrupt */
1248 wlc_clkctl_clk(wlc_hw, CLK_DYNAMIC);
1249 ASSERT(wlc_hw->wlc->macintmask == 0);
1250 wl_intrson(wlc_hw->wlc->wl);
1251 return 0;
1252}
1253
a2627bc0
JC
1254int BCMUNINITFN(wlc_bmac_down_prep) (wlc_hw_info_t *wlc_hw)
1255{
a9533e7e
HP
1256 bool dev_gone;
1257 uint callbacks = 0;
1258
1259 WL_TRACE(("wl%d: %s:\n", wlc_hw->unit, __func__));
1260
1261 if (!wlc_hw->up)
1262 return callbacks;
1263
1264 dev_gone = DEVICEREMOVED(wlc_hw->wlc);
1265
1266 /* disable interrupts */
1267 if (dev_gone)
1268 wlc_hw->wlc->macintmask = 0;
1269 else {
1270 /* now disable interrupts */
1271 wl_intrsoff(wlc_hw->wlc->wl);
1272
1273 /* ensure we're running on the pll clock again */
1274 wlc_clkctl_clk(wlc_hw, CLK_FAST);
1275 }
1276 /* down phy at the last of this stage */
1277 callbacks += wlc_phy_down(wlc_hw->band->pi);
1278
1279 return callbacks;
1280}
1281
a2627bc0
JC
1282int BCMUNINITFN(wlc_bmac_down_finish) (wlc_hw_info_t *wlc_hw)
1283{
a9533e7e
HP
1284 uint callbacks = 0;
1285 bool dev_gone;
1286
1287 WL_TRACE(("wl%d: %s:\n", wlc_hw->unit, __func__));
1288
1289 if (!wlc_hw->up)
1290 return callbacks;
1291
1292 wlc_hw->up = FALSE;
1293 wlc_phy_hw_state_upd(wlc_hw->band->pi, FALSE);
1294
1295 dev_gone = DEVICEREMOVED(wlc_hw->wlc);
1296
1297 if (dev_gone) {
1298 wlc_hw->sbclk = FALSE;
1299 wlc_hw->clk = FALSE;
1300 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, FALSE);
1301
1302 /* reclaim any posted packets */
1303 wlc_flushqueues(wlc_hw->wlc);
1304 } else {
1305
1306 /* Reset and disable the core */
1307 if (si_iscoreup(wlc_hw->sih)) {
1308 if (R_REG(wlc_hw->osh, &wlc_hw->regs->maccontrol) &
1309 MCTL_EN_MAC)
1310 wlc_suspend_mac_and_wait(wlc_hw->wlc);
1311 callbacks += wl_reset(wlc_hw->wlc->wl);
1312 wlc_coredisable(wlc_hw);
1313 }
1314
1315 /* turn off primary xtal and pll */
1316 if (!wlc_hw->noreset) {
1317 if (BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS)
1318 si_pci_down(wlc_hw->sih);
1319 wlc_bmac_xtal(wlc_hw, OFF);
1320 }
1321 }
1322
1323 return callbacks;
1324}
1325
7cc4a4c0 1326void wlc_bmac_wait_for_wake(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
1327{
1328 if (D11REV_IS(wlc_hw->corerev, 4)) /* no slowclock */
1329 OSL_DELAY(5);
1330 else {
1331 /* delay before first read of ucode state */
1332 OSL_DELAY(40);
1333
1334 /* wait until ucode is no longer asleep */
1335 SPINWAIT((wlc_bmac_read_shm(wlc_hw, M_UCODE_DBGST) ==
1336 DBGST_ASLEEP), wlc_hw->wlc->fastpwrup_dly);
1337 }
1338
1339 ASSERT(wlc_bmac_read_shm(wlc_hw, M_UCODE_DBGST) != DBGST_ASLEEP);
1340}
1341
7cc4a4c0 1342void wlc_bmac_hw_etheraddr(wlc_hw_info_t *wlc_hw, struct ether_addr *ea)
a9533e7e
HP
1343{
1344 bcopy(&wlc_hw->etheraddr, ea, ETHER_ADDR_LEN);
1345}
1346
7cc4a4c0 1347void wlc_bmac_set_hw_etheraddr(wlc_hw_info_t *wlc_hw, struct ether_addr *ea)
a9533e7e
HP
1348{
1349 bcopy(ea, &wlc_hw->etheraddr, ETHER_ADDR_LEN);
1350}
1351
7cc4a4c0 1352int wlc_bmac_bandtype(wlc_hw_info_t *wlc_hw)
a9533e7e 1353{
90ea2296 1354 return wlc_hw->band->bandtype;
a9533e7e
HP
1355}
1356
7cc4a4c0 1357void *wlc_cur_phy(wlc_info_t *wlc)
a9533e7e
HP
1358{
1359 wlc_hw_info_t *wlc_hw = wlc->hw;
90ea2296 1360 return (void *)wlc_hw->band->pi;
a9533e7e
HP
1361}
1362
1363/* control chip clock to save power, enable dynamic clock or force fast clock */
7cc4a4c0 1364static void wlc_clkctl_clk(wlc_hw_info_t *wlc_hw, uint mode)
a9533e7e
HP
1365{
1366 if (PMUCTL_ENAB(wlc_hw->sih)) {
1367 /* new chips with PMU, CCS_FORCEHT will distribute the HT clock on backplane,
1368 * but mac core will still run on ALP(not HT) when it enters powersave mode,
1369 * which means the FCA bit may not be set.
1370 * should wakeup mac if driver wants it to run on HT.
1371 */
1372
1373 if (wlc_hw->clk) {
1374 if (mode == CLK_FAST) {
1375 OR_REG(wlc_hw->osh, &wlc_hw->regs->clk_ctl_st,
1376 CCS_FORCEHT);
1377
1378 OSL_DELAY(64);
1379
1380 SPINWAIT(((R_REG
1381 (wlc_hw->osh,
1382 &wlc_hw->regs->
1383 clk_ctl_st) & CCS_HTAVAIL) == 0),
1384 PMU_MAX_TRANSITION_DLY);
1385 ASSERT(R_REG
1386 (wlc_hw->osh,
1387 &wlc_hw->regs->
1388 clk_ctl_st) & CCS_HTAVAIL);
1389 } else {
1390 if ((wlc_hw->sih->pmurev == 0) &&
1391 (R_REG
1392 (wlc_hw->osh,
1393 &wlc_hw->regs->
1394 clk_ctl_st) & (CCS_FORCEHT | CCS_HTAREQ)))
1395 SPINWAIT(((R_REG
1396 (wlc_hw->osh,
1397 &wlc_hw->regs->
1398 clk_ctl_st) & CCS_HTAVAIL)
1399 == 0),
1400 PMU_MAX_TRANSITION_DLY);
1401 AND_REG(wlc_hw->osh, &wlc_hw->regs->clk_ctl_st,
1402 ~CCS_FORCEHT);
1403 }
1404 }
1405 wlc_hw->forcefastclk = (mode == CLK_FAST);
1406 } else {
1407 bool wakeup_ucode;
1408
1409 /* old chips w/o PMU, force HT through cc,
1410 * then use FCA to verify mac is running fast clock
1411 */
1412
1413 wakeup_ucode = D11REV_LT(wlc_hw->corerev, 9);
1414
1415 if (wlc_hw->up && wakeup_ucode)
1416 wlc_ucode_wake_override_set(wlc_hw,
1417 WLC_WAKE_OVERRIDE_CLKCTL);
1418
1419 wlc_hw->forcefastclk = si_clkctl_cc(wlc_hw->sih, mode);
1420
1421 if (D11REV_LT(wlc_hw->corerev, 11)) {
1422 /* ucode WAR for old chips */
1423 if (wlc_hw->forcefastclk)
1424 wlc_bmac_mhf(wlc_hw, MHF1, MHF1_FORCEFASTCLK,
1425 MHF1_FORCEFASTCLK, WLC_BAND_ALL);
1426 else
1427 wlc_bmac_mhf(wlc_hw, MHF1, MHF1_FORCEFASTCLK, 0,
1428 WLC_BAND_ALL);
1429 }
1430
1431 /* check fast clock is available (if core is not in reset) */
1432 if (D11REV_GT(wlc_hw->corerev, 4) && wlc_hw->forcefastclk
1433 && wlc_hw->clk)
1434 ASSERT(si_core_sflags(wlc_hw->sih, 0, 0) & SISF_FCLKA);
1435
1436 /* keep the ucode wake bit on if forcefastclk is on
1437 * since we do not want ucode to put us back to slow clock
1438 * when it dozes for PM mode.
1439 * Code below matches the wake override bit with current forcefastclk state
1440 * Only setting bit in wake_override instead of waking ucode immediately
1441 * since old code (wlc.c 1.4499) had this behavior. Older code set
1442 * wlc->forcefastclk but only had the wake happen if the wakup_ucode work
1443 * (protected by an up check) was executed just below.
1444 */
1445 if (wlc_hw->forcefastclk)
1446 mboolset(wlc_hw->wake_override,
1447 WLC_WAKE_OVERRIDE_FORCEFAST);
1448 else
1449 mboolclr(wlc_hw->wake_override,
1450 WLC_WAKE_OVERRIDE_FORCEFAST);
1451
1452 /* ok to clear the wakeup now */
1453 if (wlc_hw->up && wakeup_ucode)
1454 wlc_ucode_wake_override_clear(wlc_hw,
1455 WLC_WAKE_OVERRIDE_CLKCTL);
1456 }
1457}
1458
1459/* set initial host flags value */
1460static void
7d4df48e 1461BCMINITFN(wlc_mhfdef) (wlc_info_t *wlc, u16 *mhfs, u16 mhf2_init)
a2627bc0 1462{
a9533e7e
HP
1463 wlc_hw_info_t *wlc_hw = wlc->hw;
1464
7d4df48e 1465 bzero(mhfs, sizeof(u16) * MHFMAX);
a9533e7e
HP
1466
1467 mhfs[MHF2] |= mhf2_init;
1468
1469 /* prohibit use of slowclock on multifunction boards */
1470 if (wlc_hw->boardflags & BFL_NOPLLDOWN)
1471 mhfs[MHF1] |= MHF1_FORCEFASTCLK;
1472
1473 if (WLCISNPHY(wlc_hw->band) && NREV_LT(wlc_hw->band->phyrev, 2)) {
1474 mhfs[MHF2] |= MHF2_NPHY40MHZ_WAR;
1475 mhfs[MHF1] |= MHF1_IQSWAP_WAR;
1476 }
1477}
1478
1479/* set or clear ucode host flag bits
1480 * it has an optimization for no-change write
1481 * it only writes through shared memory when the core has clock;
1482 * pre-CLK changes should use wlc_write_mhf to get around the optimization
1483 *
1484 *
1485 * bands values are: WLC_BAND_AUTO <--- Current band only
1486 * WLC_BAND_5G <--- 5G band only
1487 * WLC_BAND_2G <--- 2G band only
1488 * WLC_BAND_ALL <--- All bands
1489 */
1490void
7d4df48e 1491wlc_bmac_mhf(wlc_hw_info_t *wlc_hw, u8 idx, u16 mask, u16 val,
a9533e7e
HP
1492 int bands)
1493{
7d4df48e
GKH
1494 u16 save;
1495 u16 addr[MHFMAX] = {
e5c4536f 1496 M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
a9533e7e
HP
1497 M_HOST_FLAGS5
1498 };
1499 wlc_hwband_t *band;
1500
1501 ASSERT((val & ~mask) == 0);
1502 ASSERT(idx < MHFMAX);
1503 ASSERT(ARRAYSIZE(addr) == MHFMAX);
1504
1505 switch (bands) {
1506 /* Current band only or all bands,
1507 * then set the band to current band
1508 */
1509 case WLC_BAND_AUTO:
1510 case WLC_BAND_ALL:
1511 band = wlc_hw->band;
1512 break;
1513 case WLC_BAND_5G:
1514 band = wlc_hw->bandstate[BAND_5G_INDEX];
1515 break;
1516 case WLC_BAND_2G:
1517 band = wlc_hw->bandstate[BAND_2G_INDEX];
1518 break;
1519 default:
1520 ASSERT(0);
1521 band = NULL;
1522 }
1523
1524 if (band) {
1525 save = band->mhfs[idx];
1526 band->mhfs[idx] = (band->mhfs[idx] & ~mask) | val;
1527
1528 /* optimization: only write through if changed, and
1529 * changed band is the current band
1530 */
1531 if (wlc_hw->clk && (band->mhfs[idx] != save)
1532 && (band == wlc_hw->band))
1533 wlc_bmac_write_shm(wlc_hw, addr[idx],
7d4df48e 1534 (u16) band->mhfs[idx]);
a9533e7e
HP
1535 }
1536
1537 if (bands == WLC_BAND_ALL) {
1538 wlc_hw->bandstate[0]->mhfs[idx] =
1539 (wlc_hw->bandstate[0]->mhfs[idx] & ~mask) | val;
1540 wlc_hw->bandstate[1]->mhfs[idx] =
1541 (wlc_hw->bandstate[1]->mhfs[idx] & ~mask) | val;
1542 }
1543}
1544
7d4df48e 1545u16 wlc_bmac_mhf_get(wlc_hw_info_t *wlc_hw, u8 idx, int bands)
a9533e7e
HP
1546{
1547 wlc_hwband_t *band;
1548 ASSERT(idx < MHFMAX);
1549
1550 switch (bands) {
1551 case WLC_BAND_AUTO:
1552 band = wlc_hw->band;
1553 break;
1554 case WLC_BAND_5G:
1555 band = wlc_hw->bandstate[BAND_5G_INDEX];
1556 break;
1557 case WLC_BAND_2G:
1558 band = wlc_hw->bandstate[BAND_2G_INDEX];
1559 break;
1560 default:
1561 ASSERT(0);
1562 band = NULL;
1563 }
1564
1565 if (!band)
1566 return 0;
1567
1568 return band->mhfs[idx];
1569}
1570
7d4df48e 1571static void wlc_write_mhf(wlc_hw_info_t *wlc_hw, u16 *mhfs)
a9533e7e 1572{
41feb5ed 1573 u8 idx;
7d4df48e 1574 u16 addr[] = {
e5c4536f 1575 M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
a9533e7e
HP
1576 M_HOST_FLAGS5
1577 };
1578
1579 ASSERT(ARRAYSIZE(addr) == MHFMAX);
1580
1581 for (idx = 0; idx < MHFMAX; idx++) {
1582 wlc_bmac_write_shm(wlc_hw, addr[idx], mhfs[idx]);
1583 }
1584}
1585
1586/* set the maccontrol register to desired reset state and
1587 * initialize the sw cache of the register
1588 */
7cc4a4c0 1589static void wlc_mctrl_reset(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
1590{
1591 /* IHR accesses are always enabled, PSM disabled, HPS off and WAKE on */
1592 wlc_hw->maccontrol = 0;
1593 wlc_hw->suspended_fifos = 0;
1594 wlc_hw->wake_override = 0;
1595 wlc_hw->mute_override = 0;
1596 wlc_bmac_mctrl(wlc_hw, ~0, MCTL_IHR_EN | MCTL_WAKE);
1597}
1598
1599/* set or clear maccontrol bits */
66cbd3ab 1600void wlc_bmac_mctrl(wlc_hw_info_t *wlc_hw, u32 mask, u32 val)
a9533e7e 1601{
66cbd3ab
GKH
1602 u32 maccontrol;
1603 u32 new_maccontrol;
a9533e7e
HP
1604
1605 ASSERT((val & ~mask) == 0);
1606
1607 maccontrol = wlc_hw->maccontrol;
1608 new_maccontrol = (maccontrol & ~mask) | val;
1609
1610 /* if the new maccontrol value is the same as the old, nothing to do */
1611 if (new_maccontrol == maccontrol)
1612 return;
1613
1614 /* something changed, cache the new value */
1615 wlc_hw->maccontrol = new_maccontrol;
1616
1617 /* write the new values with overrides applied */
1618 wlc_mctrl_write(wlc_hw);
1619}
1620
1621/* write the software state of maccontrol and overrides to the maccontrol register */
7cc4a4c0 1622static void wlc_mctrl_write(wlc_hw_info_t *wlc_hw)
a9533e7e 1623{
66cbd3ab 1624 u32 maccontrol = wlc_hw->maccontrol;
a9533e7e
HP
1625
1626 /* OR in the wake bit if overridden */
1627 if (wlc_hw->wake_override)
1628 maccontrol |= MCTL_WAKE;
1629
1630 /* set AP and INFRA bits for mute if needed */
1631 if (wlc_hw->mute_override) {
1632 maccontrol &= ~(MCTL_AP);
1633 maccontrol |= MCTL_INFRA;
1634 }
1635
1636 W_REG(wlc_hw->osh, &wlc_hw->regs->maccontrol, maccontrol);
1637}
1638
66cbd3ab 1639void wlc_ucode_wake_override_set(wlc_hw_info_t *wlc_hw, u32 override_bit)
a9533e7e
HP
1640{
1641 ASSERT((wlc_hw->wake_override & override_bit) == 0);
1642
1643 if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE)) {
1644 mboolset(wlc_hw->wake_override, override_bit);
1645 return;
1646 }
1647
1648 mboolset(wlc_hw->wake_override, override_bit);
1649
1650 wlc_mctrl_write(wlc_hw);
1651 wlc_bmac_wait_for_wake(wlc_hw);
1652
1653 return;
1654}
1655
66cbd3ab 1656void wlc_ucode_wake_override_clear(wlc_hw_info_t *wlc_hw, u32 override_bit)
a9533e7e
HP
1657{
1658 ASSERT(wlc_hw->wake_override & override_bit);
1659
1660 mboolclr(wlc_hw->wake_override, override_bit);
1661
1662 if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE))
1663 return;
1664
1665 wlc_mctrl_write(wlc_hw);
1666
1667 return;
1668}
1669
1670/* When driver needs ucode to stop beaconing, it has to make sure that
1671 * MCTL_AP is clear and MCTL_INFRA is set
1672 * Mode MCTL_AP MCTL_INFRA
1673 * AP 1 1
1674 * STA 0 1 <--- This will ensure no beacons
1675 * IBSS 0 0
1676 */
7cc4a4c0 1677static void wlc_ucode_mute_override_set(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
1678{
1679 wlc_hw->mute_override = 1;
1680
1681 /* if maccontrol already has AP == 0 and INFRA == 1 without this
1682 * override, then there is no change to write
1683 */
1684 if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
1685 return;
1686
1687 wlc_mctrl_write(wlc_hw);
1688
1689 return;
1690}
1691
1692/* Clear the override on AP and INFRA bits */
7cc4a4c0 1693static void wlc_ucode_mute_override_clear(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
1694{
1695 if (wlc_hw->mute_override == 0)
1696 return;
1697
1698 wlc_hw->mute_override = 0;
1699
1700 /* if maccontrol already has AP == 0 and INFRA == 1 without this
1701 * override, then there is no change to write
1702 */
1703 if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
1704 return;
1705
1706 wlc_mctrl_write(wlc_hw);
1707}
1708
1709/*
1710 * Write a MAC address to the rcmta structure
1711 */
1712void
7cc4a4c0 1713wlc_bmac_set_rcmta(wlc_hw_info_t *wlc_hw, int idx,
a9533e7e
HP
1714 const struct ether_addr *addr)
1715{
1716 d11regs_t *regs = wlc_hw->regs;
7d4df48e
GKH
1717 volatile u16 *objdata16 =
1718 (volatile u16 *)(uintptr) & regs->objdata;
66cbd3ab 1719 u32 mac_hm;
7d4df48e 1720 u16 mac_l;
a9533e7e
HP
1721 osl_t *osh;
1722
1723 WL_TRACE(("wl%d: %s\n", wlc_hw->unit, __func__));
1724
1725 ASSERT(wlc_hw->corerev > 4);
1726
1727 mac_hm =
1728 (addr->octet[3] << 24) | (addr->octet[2] << 16) | (addr->
1729 octet[1] << 8) |
1730 addr->octet[0];
1731 mac_l = (addr->octet[5] << 8) | addr->octet[4];
1732
1733 osh = wlc_hw->osh;
1734
1735 W_REG(osh, &regs->objaddr, (OBJADDR_RCMTA_SEL | (idx * 2)));
1736 (void)R_REG(osh, &regs->objaddr);
1737 W_REG(osh, &regs->objdata, mac_hm);
1738 W_REG(osh, &regs->objaddr, (OBJADDR_RCMTA_SEL | ((idx * 2) + 1)));
1739 (void)R_REG(osh, &regs->objaddr);
1740 W_REG(osh, objdata16, mac_l);
1741}
1742
1743/*
1744 * Write a MAC address to the given match reg offset in the RXE match engine.
1745 */
1746void
7cc4a4c0 1747wlc_bmac_set_addrmatch(wlc_hw_info_t *wlc_hw, int match_reg_offset,
a9533e7e
HP
1748 const struct ether_addr *addr)
1749{
1750 d11regs_t *regs;
7d4df48e
GKH
1751 u16 mac_l;
1752 u16 mac_m;
1753 u16 mac_h;
a9533e7e
HP
1754 osl_t *osh;
1755
1756 WL_TRACE(("wl%d: wlc_bmac_set_addrmatch\n", wlc_hw->unit));
1757
1758 ASSERT((match_reg_offset < RCM_SIZE) || (wlc_hw->corerev == 4));
1759
1760 regs = wlc_hw->regs;
1761 mac_l = addr->octet[0] | (addr->octet[1] << 8);
1762 mac_m = addr->octet[2] | (addr->octet[3] << 8);
1763 mac_h = addr->octet[4] | (addr->octet[5] << 8);
1764
1765 osh = wlc_hw->osh;
1766
1767 /* enter the MAC addr into the RXE match registers */
1768 W_REG(osh, &regs->rcm_ctl, RCM_INC_DATA | match_reg_offset);
1769 W_REG(osh, &regs->rcm_mat_data, mac_l);
1770 W_REG(osh, &regs->rcm_mat_data, mac_m);
1771 W_REG(osh, &regs->rcm_mat_data, mac_h);
1772
1773}
1774
1775void
7cc4a4c0 1776wlc_bmac_write_template_ram(wlc_hw_info_t *wlc_hw, int offset, int len,
a9533e7e
HP
1777 void *buf)
1778{
1779 d11regs_t *regs;
66cbd3ab 1780 u32 word;
a9533e7e
HP
1781 bool be_bit;
1782#ifdef IL_BIGENDIAN
7d4df48e 1783 volatile u16 *dptr = NULL;
a9533e7e
HP
1784#endif /* IL_BIGENDIAN */
1785 osl_t *osh;
1786
1787 WL_TRACE(("wl%d: wlc_bmac_write_template_ram\n", wlc_hw->unit));
1788
1789 regs = wlc_hw->regs;
1790 osh = wlc_hw->osh;
1791
66cbd3ab
GKH
1792 ASSERT(ISALIGNED(offset, sizeof(u32)));
1793 ASSERT(ISALIGNED(len, sizeof(u32)));
a9533e7e
HP
1794 ASSERT((offset & ~0xffff) == 0);
1795
1796 W_REG(osh, &regs->tplatewrptr, offset);
1797
1798 /* if MCTL_BIGEND bit set in mac control register,
1799 * the chip swaps data in fifo, as well as data in
1800 * template ram
1801 */
1802 be_bit = (R_REG(osh, &regs->maccontrol) & MCTL_BIGEND) != 0;
1803
1804 while (len > 0) {
66cbd3ab 1805 bcopy((u8 *) buf, &word, sizeof(u32));
a9533e7e
HP
1806
1807 if (be_bit)
1808 word = hton32(word);
1809 else
1810 word = htol32(word);
1811
1812 W_REG(osh, &regs->tplatewrdata, word);
1813
66cbd3ab
GKH
1814 buf = (u8 *) buf + sizeof(u32);
1815 len -= sizeof(u32);
a9533e7e
HP
1816 }
1817}
1818
7d4df48e 1819void wlc_bmac_set_cwmin(wlc_hw_info_t *wlc_hw, u16 newmin)
a9533e7e
HP
1820{
1821 osl_t *osh;
1822
1823 osh = wlc_hw->osh;
1824 wlc_hw->band->CWmin = newmin;
1825
1826 W_REG(osh, &wlc_hw->regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_CWMIN);
1827 (void)R_REG(osh, &wlc_hw->regs->objaddr);
1828 W_REG(osh, &wlc_hw->regs->objdata, newmin);
1829}
1830
7d4df48e 1831void wlc_bmac_set_cwmax(wlc_hw_info_t *wlc_hw, u16 newmax)
a9533e7e
HP
1832{
1833 osl_t *osh;
1834
1835 osh = wlc_hw->osh;
1836 wlc_hw->band->CWmax = newmax;
1837
1838 W_REG(osh, &wlc_hw->regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_CWMAX);
1839 (void)R_REG(osh, &wlc_hw->regs->objaddr);
1840 W_REG(osh, &wlc_hw->regs->objdata, newmax);
1841}
1842
7d4df48e 1843void wlc_bmac_bw_set(wlc_hw_info_t *wlc_hw, u16 bw)
a9533e7e
HP
1844{
1845 bool fastclk;
66cbd3ab 1846 u32 tmp;
a9533e7e
HP
1847
1848 /* request FAST clock if not on */
ca8c1e59
JC
1849 fastclk = wlc_hw->forcefastclk;
1850 if (!fastclk)
a9533e7e
HP
1851 wlc_clkctl_clk(wlc_hw, CLK_FAST);
1852
1853 wlc_phy_bw_state_set(wlc_hw->band->pi, bw);
1854
1855 ASSERT(wlc_hw->clk);
1856 if (D11REV_LT(wlc_hw->corerev, 17))
1857 tmp = R_REG(wlc_hw->osh, &wlc_hw->regs->maccontrol);
1858
1859 wlc_bmac_phy_reset(wlc_hw);
1860 wlc_phy_init(wlc_hw->band->pi, wlc_phy_chanspec_get(wlc_hw->band->pi));
1861
1862 /* restore the clk */
1863 if (!fastclk)
1864 wlc_clkctl_clk(wlc_hw, CLK_DYNAMIC);
1865}
1866
1867static void
7cc4a4c0 1868wlc_write_hw_bcntemplate0(wlc_hw_info_t *wlc_hw, void *bcn, int len)
a9533e7e
HP
1869{
1870 d11regs_t *regs = wlc_hw->regs;
1871
1872 wlc_bmac_write_template_ram(wlc_hw, T_BCN0_TPL_BASE, (len + 3) & ~3,
1873 bcn);
1874 /* write beacon length to SCR */
1875 ASSERT(len < 65536);
7d4df48e 1876 wlc_bmac_write_shm(wlc_hw, M_BCN0_FRM_BYTESZ, (u16) len);
a9533e7e
HP
1877 /* mark beacon0 valid */
1878 OR_REG(wlc_hw->osh, &regs->maccommand, MCMD_BCN0VLD);
1879}
1880
1881static void
7cc4a4c0 1882wlc_write_hw_bcntemplate1(wlc_hw_info_t *wlc_hw, void *bcn, int len)
a9533e7e
HP
1883{
1884 d11regs_t *regs = wlc_hw->regs;
1885
1886 wlc_bmac_write_template_ram(wlc_hw, T_BCN1_TPL_BASE, (len + 3) & ~3,
1887 bcn);
1888 /* write beacon length to SCR */
1889 ASSERT(len < 65536);
7d4df48e 1890 wlc_bmac_write_shm(wlc_hw, M_BCN1_FRM_BYTESZ, (u16) len);
a9533e7e
HP
1891 /* mark beacon1 valid */
1892 OR_REG(wlc_hw->osh, &regs->maccommand, MCMD_BCN1VLD);
1893}
1894
1895/* mac is assumed to be suspended at this point */
1896void
7cc4a4c0 1897wlc_bmac_write_hw_bcntemplates(wlc_hw_info_t *wlc_hw, void *bcn, int len,
a9533e7e
HP
1898 bool both)
1899{
1900 d11regs_t *regs = wlc_hw->regs;
1901
1902 if (both) {
1903 wlc_write_hw_bcntemplate0(wlc_hw, bcn, len);
1904 wlc_write_hw_bcntemplate1(wlc_hw, bcn, len);
1905 } else {
1906 /* bcn 0 */
1907 if (!(R_REG(wlc_hw->osh, &regs->maccommand) & MCMD_BCN0VLD))
1908 wlc_write_hw_bcntemplate0(wlc_hw, bcn, len);
1909 /* bcn 1 */
1910 else if (!
1911 (R_REG(wlc_hw->osh, &regs->maccommand) & MCMD_BCN1VLD))
1912 wlc_write_hw_bcntemplate1(wlc_hw, bcn, len);
1913 else /* one template should always have been available */
1914 ASSERT(0);
1915 }
1916}
1917
a2627bc0
JC
1918static void WLBANDINITFN(wlc_bmac_upd_synthpu) (wlc_hw_info_t *wlc_hw)
1919{
7d4df48e 1920 u16 v;
a9533e7e
HP
1921 wlc_info_t *wlc = wlc_hw->wlc;
1922 /* update SYNTHPU_DLY */
1923
1924 if (WLCISLCNPHY(wlc->band)) {
1925 v = SYNTHPU_DLY_LPPHY_US;
1926 } else if (WLCISNPHY(wlc->band) && (NREV_GE(wlc->band->phyrev, 3))) {
1927 v = SYNTHPU_DLY_NPHY_US;
1928 } else {
1929 v = SYNTHPU_DLY_BPHY_US;
1930 }
1931
1932 wlc_bmac_write_shm(wlc_hw, M_SYNTHPU_DLY, v);
1933}
1934
1935/* band-specific init */
1936static void
a2627bc0
JC
1937WLBANDINITFN(wlc_bmac_bsinit) (wlc_info_t *wlc, chanspec_t chanspec)
1938{
a9533e7e
HP
1939 wlc_hw_info_t *wlc_hw = wlc->hw;
1940
1941 WL_TRACE(("wl%d: wlc_bmac_bsinit: bandunit %d\n", wlc_hw->unit,
1942 wlc_hw->band->bandunit));
1943
1944 /* sanity check */
1945 if (PHY_TYPE(R_REG(wlc_hw->osh, &wlc_hw->regs->phyversion)) !=
1946 PHY_TYPE_LCNXN)
1947 ASSERT((uint)
1948 PHY_TYPE(R_REG(wlc_hw->osh, &wlc_hw->regs->phyversion))
1949 == wlc_hw->band->phytype);
1950
1951 wlc_ucode_bsinit(wlc_hw);
1952
1953 wlc_phy_init(wlc_hw->band->pi, chanspec);
1954
1955 wlc_ucode_txant_set(wlc_hw);
1956
1957 /* cwmin is band-specific, update hardware with value for current band */
1958 wlc_bmac_set_cwmin(wlc_hw, wlc_hw->band->CWmin);
1959 wlc_bmac_set_cwmax(wlc_hw, wlc_hw->band->CWmax);
1960
1961 wlc_bmac_update_slot_timing(wlc_hw,
1962 BAND_5G(wlc_hw->band->
1963 bandtype) ? TRUE : wlc_hw->
1964 shortslot);
1965
1966 /* write phytype and phyvers */
7d4df48e
GKH
1967 wlc_bmac_write_shm(wlc_hw, M_PHYTYPE, (u16) wlc_hw->band->phytype);
1968 wlc_bmac_write_shm(wlc_hw, M_PHYVER, (u16) wlc_hw->band->phyrev);
a9533e7e
HP
1969
1970 /* initialize the txphyctl1 rate table since shmem is shared between bands */
1971 wlc_upd_ofdm_pctl1_table(wlc_hw);
1972
1973 wlc_bmac_upd_synthpu(wlc_hw);
1974}
1975
7cc4a4c0 1976void wlc_bmac_core_phy_clk(wlc_hw_info_t *wlc_hw, bool clk)
a9533e7e
HP
1977{
1978 WL_TRACE(("wl%d: wlc_bmac_core_phy_clk: clk %d\n", wlc_hw->unit, clk));
1979
1980 wlc_hw->phyclk = clk;
1981
1982 if (OFF == clk) { /* clear gmode bit, put phy into reset */
1983
1984 si_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC | SICF_GMODE),
1985 (SICF_PRST | SICF_FGC));
1986 OSL_DELAY(1);
1987 si_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC), SICF_PRST);
1988 OSL_DELAY(1);
1989
1990 } else { /* take phy out of reset */
1991
1992 si_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC), SICF_FGC);
1993 OSL_DELAY(1);
1994 si_core_cflags(wlc_hw->sih, (SICF_FGC), 0);
1995 OSL_DELAY(1);
1996
1997 }
1998}
1999
2000/* Perform a soft reset of the PHY PLL */
7cc4a4c0 2001void wlc_bmac_core_phypll_reset(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
2002{
2003 WL_TRACE(("wl%d: wlc_bmac_core_phypll_reset\n", wlc_hw->unit));
2004
2005 si_corereg(wlc_hw->sih, SI_CC_IDX,
ce0f1b8c 2006 offsetof(chipcregs_t, chipcontrol_addr), ~0, 0);
a9533e7e
HP
2007 OSL_DELAY(1);
2008 si_corereg(wlc_hw->sih, SI_CC_IDX,
ce0f1b8c 2009 offsetof(chipcregs_t, chipcontrol_data), 0x4, 0);
a9533e7e
HP
2010 OSL_DELAY(1);
2011 si_corereg(wlc_hw->sih, SI_CC_IDX,
ce0f1b8c 2012 offsetof(chipcregs_t, chipcontrol_data), 0x4, 4);
a9533e7e
HP
2013 OSL_DELAY(1);
2014 si_corereg(wlc_hw->sih, SI_CC_IDX,
ce0f1b8c 2015 offsetof(chipcregs_t, chipcontrol_data), 0x4, 0);
a9533e7e
HP
2016 OSL_DELAY(1);
2017}
2018
2019/* light way to turn on phy clock without reset for NPHY only
2020 * refer to wlc_bmac_core_phy_clk for full version
2021 */
7cc4a4c0 2022void wlc_bmac_phyclk_fgc(wlc_hw_info_t *wlc_hw, bool clk)
a9533e7e
HP
2023{
2024 /* support(necessary for NPHY and HYPHY) only */
2025 if (!WLCISNPHY(wlc_hw->band))
2026 return;
2027
2028 if (ON == clk)
2029 si_core_cflags(wlc_hw->sih, SICF_FGC, SICF_FGC);
2030 else
2031 si_core_cflags(wlc_hw->sih, SICF_FGC, 0);
2032
2033}
2034
7cc4a4c0 2035void wlc_bmac_macphyclk_set(wlc_hw_info_t *wlc_hw, bool clk)
a9533e7e
HP
2036{
2037 if (ON == clk)
2038 si_core_cflags(wlc_hw->sih, SICF_MPCLKE, SICF_MPCLKE);
2039 else
2040 si_core_cflags(wlc_hw->sih, SICF_MPCLKE, 0);
2041}
2042
7cc4a4c0 2043void wlc_bmac_phy_reset(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
2044{
2045 wlc_phy_t *pih = wlc_hw->band->pi;
66cbd3ab 2046 u32 phy_bw_clkbits;
a9533e7e
HP
2047 bool phy_in_reset = FALSE;
2048
2049 WL_TRACE(("wl%d: wlc_bmac_phy_reset\n", wlc_hw->unit));
2050
2051 if (pih == NULL)
2052 return;
2053
2054 phy_bw_clkbits = wlc_phy_clk_bwbits(wlc_hw->band->pi);
2055
2056 /* Specfic reset sequence required for NPHY rev 3 and 4 */
2057 if (WLCISNPHY(wlc_hw->band) && NREV_GE(wlc_hw->band->phyrev, 3) &&
2058 NREV_LE(wlc_hw->band->phyrev, 4)) {
2059 /* Set the PHY bandwidth */
2060 si_core_cflags(wlc_hw->sih, SICF_BWMASK, phy_bw_clkbits);
2061
2062 OSL_DELAY(1);
2063
2064 /* Perform a soft reset of the PHY PLL */
2065 wlc_bmac_core_phypll_reset(wlc_hw);
2066
2067 /* reset the PHY */
2068 si_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_PCLKE),
2069 (SICF_PRST | SICF_PCLKE));
2070 phy_in_reset = TRUE;
2071 } else {
2072
2073 si_core_cflags(wlc_hw->sih,
2074 (SICF_PRST | SICF_PCLKE | SICF_BWMASK),
2075 (SICF_PRST | SICF_PCLKE | phy_bw_clkbits));
2076 }
2077
2078 OSL_DELAY(2);
2079 wlc_bmac_core_phy_clk(wlc_hw, ON);
2080
2081 if (pih)
2082 wlc_phy_anacore(pih, ON);
2083}
2084
2085/* switch to and initialize new band */
2086static void
7cc4a4c0 2087WLBANDINITFN(wlc_bmac_setband) (wlc_hw_info_t *wlc_hw, uint bandunit,
a9533e7e
HP
2088 chanspec_t chanspec) {
2089 wlc_info_t *wlc = wlc_hw->wlc;
66cbd3ab 2090 u32 macintmask;
a9533e7e
HP
2091
2092 ASSERT(NBANDS_HW(wlc_hw) > 1);
2093 ASSERT(bandunit != wlc_hw->band->bandunit);
2094
2095 /* Enable the d11 core before accessing it */
2096 if (!si_iscoreup(wlc_hw->sih)) {
2097 si_core_reset(wlc_hw->sih, 0, 0);
2098 ASSERT(si_iscoreup(wlc_hw->sih));
2099 wlc_mctrl_reset(wlc_hw);
2100 }
2101
2102 macintmask = wlc_setband_inact(wlc, bandunit);
2103
2104 if (!wlc_hw->up)
2105 return;
2106
2107 wlc_bmac_core_phy_clk(wlc_hw, ON);
2108
2109 /* band-specific initializations */
2110 wlc_bmac_bsinit(wlc, chanspec);
2111
2112 /*
2113 * If there are any pending software interrupt bits,
2114 * then replace these with a harmless nonzero value
2115 * so wlc_dpc() will re-enable interrupts when done.
2116 */
2117 if (wlc->macintstatus)
2118 wlc->macintstatus = MI_DMAINT;
2119
2120 /* restore macintmask */
2121 wl_intrsrestore(wlc->wl, macintmask);
2122
2123 /* ucode should still be suspended.. */
2124 ASSERT((R_REG(wlc_hw->osh, &wlc_hw->regs->maccontrol) & MCTL_EN_MAC) ==
2125 0);
2126}
2127
2128/* low-level band switch utility routine */
a2627bc0
JC
2129void WLBANDINITFN(wlc_setxband) (wlc_hw_info_t *wlc_hw, uint bandunit)
2130{
a9533e7e
HP
2131 WL_TRACE(("wl%d: wlc_setxband: bandunit %d\n", wlc_hw->unit, bandunit));
2132
2133 wlc_hw->band = wlc_hw->bandstate[bandunit];
2134
2135 /* BMAC_NOTE: until we eliminate need for wlc->band refs in low level code */
2136 wlc_hw->wlc->band = wlc_hw->wlc->bandstate[bandunit];
2137
2138 /* set gmode core flag */
2139 if (wlc_hw->sbclk && !wlc_hw->noreset) {
2140 si_core_cflags(wlc_hw->sih, SICF_GMODE,
2141 ((bandunit == 0) ? SICF_GMODE : 0));
2142 }
2143}
2144
a2627bc0
JC
2145static bool BCMATTACHFN(wlc_isgoodchip) (wlc_hw_info_t *wlc_hw)
2146{
a9533e7e
HP
2147
2148 /* reject unsupported corerev */
2149 if (!VALID_COREREV(wlc_hw->corerev)) {
2150 WL_ERROR(("unsupported core rev %d\n", wlc_hw->corerev));
2151 return FALSE;
2152 }
2153
2154 return TRUE;
2155}
2156
a2627bc0
JC
2157static bool BCMATTACHFN(wlc_validboardtype) (wlc_hw_info_t *wlc_hw)
2158{
a9533e7e
HP
2159 bool goodboard = TRUE;
2160 uint boardrev = wlc_hw->boardrev;
2161
2162 if (boardrev == 0)
2163 goodboard = FALSE;
2164 else if (boardrev > 0xff) {
2165 uint brt = (boardrev & 0xf000) >> 12;
2166 uint b0 = (boardrev & 0xf00) >> 8;
2167 uint b1 = (boardrev & 0xf0) >> 4;
2168 uint b2 = boardrev & 0xf;
2169
2170 if ((brt > 2) || (brt == 0) || (b0 > 9) || (b0 == 0) || (b1 > 9)
2171 || (b2 > 9))
2172 goodboard = FALSE;
2173 }
2174
2175 if (wlc_hw->sih->boardvendor != VENDOR_BROADCOM)
2176 return goodboard;
2177
2178 return goodboard;
2179}
2180
a2627bc0
JC
2181static char *BCMINITFN(wlc_get_macaddr) (wlc_hw_info_t *wlc_hw)
2182{
a9533e7e
HP
2183 const char *varname = "macaddr";
2184 char *macaddr;
2185
2186 /* If macaddr exists, use it (Sromrev4, CIS, ...). */
ca8c1e59
JC
2187 macaddr = getvar(wlc_hw->vars, varname);
2188 if (macaddr != NULL)
a9533e7e
HP
2189 return macaddr;
2190
2191 if (NBANDS_HW(wlc_hw) > 1)
2192 varname = "et1macaddr";
2193 else
2194 varname = "il0macaddr";
2195
ca8c1e59
JC
2196 macaddr = getvar(wlc_hw->vars, varname);
2197 if (macaddr == NULL) {
a9533e7e
HP
2198 WL_ERROR(("wl%d: wlc_get_macaddr: macaddr getvar(%s) not found\n", wlc_hw->unit, varname));
2199 }
2200
2201 return macaddr;
2202}
2203
2204/*
2205 * Return TRUE if radio is disabled, otherwise FALSE.
2206 * hw radio disable signal is an external pin, users activate it asynchronously
2207 * this function could be called when driver is down and w/o clock
2208 * it operates on different registers depending on corerev and boardflag.
2209 */
7cc4a4c0 2210bool wlc_bmac_radio_read_hwdisabled(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
2211{
2212 bool v, clk, xtal;
66cbd3ab 2213 u32 resetbits = 0, flags = 0;
a9533e7e
HP
2214
2215 xtal = wlc_hw->sbclk;
2216 if (!xtal)
2217 wlc_bmac_xtal(wlc_hw, ON);
2218
2219 /* may need to take core out of reset first */
2220 clk = wlc_hw->clk;
2221 if (!clk) {
2222 if (D11REV_LE(wlc_hw->corerev, 11))
2223 resetbits |= SICF_PCLKE;
2224
2225 /*
2226 * corerev >= 18, mac no longer enables phyclk automatically when driver accesses
2227 * phyreg throughput mac. This can be skipped since only mac reg is accessed below
2228 */
2229 if (D11REV_GE(wlc_hw->corerev, 18))
2230 flags |= SICF_PCLKE;
2231
2232 /* AI chip doesn't restore bar0win2 on hibernation/resume, need sw fixup */
2233 if ((CHIPID(wlc_hw->sih->chip) == BCM43224_CHIP_ID) ||
2234 (CHIPID(wlc_hw->sih->chip) == BCM43225_CHIP_ID) ||
2235 (CHIPID(wlc_hw->sih->chip) == BCM43421_CHIP_ID))
2236 wlc_hw->regs =
2237 (d11regs_t *) si_setcore(wlc_hw->sih, D11_CORE_ID,
2238 0);
2239 si_core_reset(wlc_hw->sih, flags, resetbits);
2240 wlc_mctrl_reset(wlc_hw);
2241 }
2242
2243 v = ((R_REG(wlc_hw->osh, &wlc_hw->regs->phydebug) & PDBG_RFD) != 0);
2244
2245 /* put core back into reset */
2246 if (!clk)
2247 si_core_disable(wlc_hw->sih, 0);
2248
2249 if (!xtal)
2250 wlc_bmac_xtal(wlc_hw, OFF);
2251
90ea2296 2252 return v;
a9533e7e
HP
2253}
2254
2255/* Initialize just the hardware when coming out of POR or S3/S5 system states */
a2627bc0
JC
2256void BCMINITFN(wlc_bmac_hw_up) (wlc_hw_info_t *wlc_hw)
2257{
a9533e7e
HP
2258 if (wlc_hw->wlc->pub->hw_up)
2259 return;
2260
2261 WL_TRACE(("wl%d: %s:\n", wlc_hw->unit, __func__));
2262
2263 /*
2264 * Enable pll and xtal, initialize the power control registers,
2265 * and force fastclock for the remainder of wlc_up().
2266 */
2267 wlc_bmac_xtal(wlc_hw, ON);
2268 si_clkctl_init(wlc_hw->sih);
2269 wlc_clkctl_clk(wlc_hw, CLK_FAST);
2270
2271 if (BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS) {
2272 si_pci_fixcfg(wlc_hw->sih);
2273
2274 /* AI chip doesn't restore bar0win2 on hibernation/resume, need sw fixup */
2275 if ((CHIPID(wlc_hw->sih->chip) == BCM43224_CHIP_ID) ||
2276 (CHIPID(wlc_hw->sih->chip) == BCM43225_CHIP_ID) ||
2277 (CHIPID(wlc_hw->sih->chip) == BCM43421_CHIP_ID))
2278 wlc_hw->regs =
2279 (d11regs_t *) si_setcore(wlc_hw->sih, D11_CORE_ID,
2280 0);
2281 }
2282
2283 /* Inform phy that a POR reset has occurred so it does a complete phy init */
2284 wlc_phy_por_inform(wlc_hw->band->pi);
2285
2286 wlc_hw->ucode_loaded = FALSE;
2287 wlc_hw->wlc->pub->hw_up = TRUE;
2288
2289 if ((wlc_hw->boardflags & BFL_FEM)
2290 && (CHIPID(wlc_hw->sih->chip) == BCM4313_CHIP_ID)) {
2291 if (!
2292 (wlc_hw->boardrev >= 0x1250
2293 && (wlc_hw->boardflags & BFL_FEM_BT)))
2294 si_epa_4313war(wlc_hw->sih);
2295 }
2296}
2297
7cc4a4c0 2298static bool wlc_dma_rxreset(wlc_hw_info_t *wlc_hw, uint fifo)
a9533e7e
HP
2299{
2300 hnddma_t *di = wlc_hw->di[fifo];
2301 osl_t *osh;
2302
2303 if (D11REV_LT(wlc_hw->corerev, 12)) {
2304 bool rxidle = TRUE;
7d4df48e 2305 u16 rcv_frm_cnt = 0;
a9533e7e
HP
2306
2307 osh = wlc_hw->osh;
2308
2309 W_REG(osh, &wlc_hw->regs->rcv_fifo_ctl, fifo << 8);
2310 SPINWAIT((!(rxidle = dma_rxidle(di))) &&
2311 ((rcv_frm_cnt =
2312 R_REG(osh, &wlc_hw->regs->rcv_frm_cnt)) != 0),
2313 50000);
2314
2315 if (!rxidle && (rcv_frm_cnt != 0))
2316 WL_ERROR(("wl%d: %s: rxdma[%d] not idle && rcv_frm_cnt(%d) not zero\n", wlc_hw->unit, __func__, fifo, rcv_frm_cnt));
2317 OSL_DELAY(2000);
2318 }
2319
90ea2296 2320 return dma_rxreset(di);
a9533e7e
HP
2321}
2322
2323/* d11 core reset
2324 * ensure fask clock during reset
2325 * reset dma
2326 * reset d11(out of reset)
2327 * reset phy(out of reset)
2328 * clear software macintstatus for fresh new start
2329 * one testing hack wlc_hw->noreset will bypass the d11/phy reset
2330 */
66cbd3ab 2331void BCMINITFN(wlc_bmac_corereset) (wlc_hw_info_t *wlc_hw, u32 flags)
a2627bc0 2332{
a9533e7e
HP
2333 d11regs_t *regs;
2334 uint i;
2335 bool fastclk;
66cbd3ab 2336 u32 resetbits = 0;
a9533e7e
HP
2337
2338 if (flags == WLC_USE_COREFLAGS)
2339 flags = (wlc_hw->band->pi ? wlc_hw->band->core_flags : 0);
2340
2341 WL_TRACE(("wl%d: %s\n", wlc_hw->unit, __func__));
2342
2343 regs = wlc_hw->regs;
2344
2345 /* request FAST clock if not on */
ca8c1e59
JC
2346 fastclk = wlc_hw->forcefastclk;
2347 if (!fastclk)
a9533e7e
HP
2348 wlc_clkctl_clk(wlc_hw, CLK_FAST);
2349
2350 /* reset the dma engines except first time thru */
2351 if (si_iscoreup(wlc_hw->sih)) {
2352 for (i = 0; i < NFIFO; i++)
2353 if ((wlc_hw->di[i]) && (!dma_txreset(wlc_hw->di[i]))) {
2354 WL_ERROR(("wl%d: %s: dma_txreset[%d]: cannot stop dma\n", wlc_hw->unit, __func__, i));
2355 }
2356
2357 if ((wlc_hw->di[RX_FIFO])
2358 && (!wlc_dma_rxreset(wlc_hw, RX_FIFO))) {
2359 WL_ERROR(("wl%d: %s: dma_rxreset[%d]: cannot stop dma\n", wlc_hw->unit, __func__, RX_FIFO));
2360 }
2361 if (D11REV_IS(wlc_hw->corerev, 4)
2362 && wlc_hw->di[RX_TXSTATUS_FIFO]
2363 && (!wlc_dma_rxreset(wlc_hw, RX_TXSTATUS_FIFO))) {
2364 WL_ERROR(("wl%d: %s: dma_rxreset[%d]: cannot stop dma\n", wlc_hw->unit, __func__, RX_TXSTATUS_FIFO));
2365 }
2366 }
2367 /* if noreset, just stop the psm and return */
2368 if (wlc_hw->noreset) {
2369 wlc_hw->wlc->macintstatus = 0; /* skip wl_dpc after down */
2370 wlc_bmac_mctrl(wlc_hw, MCTL_PSM_RUN | MCTL_EN_MAC, 0);
2371 return;
2372 }
2373
2374 if (D11REV_LE(wlc_hw->corerev, 11))
2375 resetbits |= SICF_PCLKE;
2376
2377 /*
2378 * corerev >= 18, mac no longer enables phyclk automatically when driver accesses phyreg
2379 * throughput mac, AND phy_reset is skipped at early stage when band->pi is invalid
2380 * need to enable PHY CLK
2381 */
2382 if (D11REV_GE(wlc_hw->corerev, 18))
2383 flags |= SICF_PCLKE;
2384
2385 /* reset the core
2386 * In chips with PMU, the fastclk request goes through d11 core reg 0x1e0, which
2387 * is cleared by the core_reset. have to re-request it.
2388 * This adds some delay and we can optimize it by also requesting fastclk through
2389 * chipcommon during this period if necessary. But that has to work coordinate
2390 * with other driver like mips/arm since they may touch chipcommon as well.
2391 */
2392 wlc_hw->clk = FALSE;
2393 si_core_reset(wlc_hw->sih, flags, resetbits);
2394 wlc_hw->clk = TRUE;
2395 if (wlc_hw->band && wlc_hw->band->pi)
2396 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, TRUE);
2397
2398 wlc_mctrl_reset(wlc_hw);
2399
2400 if (PMUCTL_ENAB(wlc_hw->sih))
2401 wlc_clkctl_clk(wlc_hw, CLK_FAST);
2402
2403 wlc_bmac_phy_reset(wlc_hw);
2404
2405 /* turn on PHY_PLL */
2406 wlc_bmac_core_phypll_ctl(wlc_hw, TRUE);
2407
2408 /* clear sw intstatus */
2409 wlc_hw->wlc->macintstatus = 0;
2410
2411 /* restore the clk setting */
2412 if (!fastclk)
2413 wlc_clkctl_clk(wlc_hw, CLK_DYNAMIC);
2414}
2415
2416/* If the ucode that supports corerev 5 is used for corerev 9 and above,
2417 * txfifo sizes needs to be modified(increased) since the newer cores
2418 * have more memory.
2419 */
a2627bc0
JC
2420static void BCMINITFN(wlc_corerev_fifofixup) (wlc_hw_info_t *wlc_hw)
2421{
a9533e7e 2422 d11regs_t *regs = wlc_hw->regs;
7d4df48e
GKH
2423 u16 fifo_nu;
2424 u16 txfifo_startblk = TXFIFO_START_BLK, txfifo_endblk;
2425 u16 txfifo_def, txfifo_def1;
2426 u16 txfifo_cmd;
a9533e7e
HP
2427 osl_t *osh;
2428
2429 if (D11REV_LT(wlc_hw->corerev, 9))
2430 goto exit;
2431
2432 /* tx fifos start at TXFIFO_START_BLK from the Base address */
2433 txfifo_startblk = TXFIFO_START_BLK;
2434
2435 osh = wlc_hw->osh;
2436
2437 /* sequence of operations: reset fifo, set fifo size, reset fifo */
2438 for (fifo_nu = 0; fifo_nu < NFIFO; fifo_nu++) {
2439
2440 txfifo_endblk = txfifo_startblk + wlc_hw->xmtfifo_sz[fifo_nu];
2441 txfifo_def = (txfifo_startblk & 0xff) |
2442 (((txfifo_endblk - 1) & 0xff) << TXFIFO_FIFOTOP_SHIFT);
2443 txfifo_def1 = ((txfifo_startblk >> 8) & 0x1) |
2444 ((((txfifo_endblk -
2445 1) >> 8) & 0x1) << TXFIFO_FIFOTOP_SHIFT);
2446 txfifo_cmd =
2447 TXFIFOCMD_RESET_MASK | (fifo_nu << TXFIFOCMD_FIFOSEL_SHIFT);
2448
2449 W_REG(osh, &regs->xmtfifocmd, txfifo_cmd);
2450 W_REG(osh, &regs->xmtfifodef, txfifo_def);
2451 if (D11REV_GE(wlc_hw->corerev, 16))
2452 W_REG(osh, &regs->xmtfifodef1, txfifo_def1);
2453
2454 W_REG(osh, &regs->xmtfifocmd, txfifo_cmd);
2455
2456 txfifo_startblk += wlc_hw->xmtfifo_sz[fifo_nu];
2457 }
2458 exit:
2459 /* need to propagate to shm location to be in sync since ucode/hw won't do this */
2460 wlc_bmac_write_shm(wlc_hw, M_FIFOSIZE0,
2461 wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]);
2462 wlc_bmac_write_shm(wlc_hw, M_FIFOSIZE1,
2463 wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]);
2464 wlc_bmac_write_shm(wlc_hw, M_FIFOSIZE2,
2465 ((wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO] << 8) | wlc_hw->
2466 xmtfifo_sz[TX_AC_BK_FIFO]));
2467 wlc_bmac_write_shm(wlc_hw, M_FIFOSIZE3,
2468 ((wlc_hw->xmtfifo_sz[TX_ATIM_FIFO] << 8) | wlc_hw->
2469 xmtfifo_sz[TX_BCMC_FIFO]));
2470}
2471
2472/* d11 core init
2473 * reset PSM
2474 * download ucode/PCM
2475 * let ucode run to suspended
2476 * download ucode inits
2477 * config other core registers
2478 * init dma
2479 */
a2627bc0
JC
2480static void BCMINITFN(wlc_coreinit) (wlc_info_t *wlc)
2481{
a9533e7e
HP
2482 wlc_hw_info_t *wlc_hw = wlc->hw;
2483 d11regs_t *regs;
66cbd3ab 2484 u32 sflags;
a9533e7e
HP
2485 uint bcnint_us;
2486 uint i = 0;
2487 bool fifosz_fixup = FALSE;
2488 osl_t *osh;
2489 int err = 0;
7d4df48e 2490 u16 buf[NFIFO];
a9533e7e
HP
2491
2492 regs = wlc_hw->regs;
2493 osh = wlc_hw->osh;
2494
2495 WL_TRACE(("wl%d: wlc_coreinit\n", wlc_hw->unit));
2496
2497 /* reset PSM */
2498 wlc_bmac_mctrl(wlc_hw, ~0, (MCTL_IHR_EN | MCTL_PSM_JMP_0 | MCTL_WAKE));
2499
2500 wlc_ucode_download(wlc_hw);
2501 /*
2502 * FIFOSZ fixup
2503 * 1) core5-9 use ucode 5 to save space since the PSM is the same
2504 * 2) newer chips, driver wants to controls the fifo allocation
2505 */
2506 if (D11REV_GE(wlc_hw->corerev, 4))
2507 fifosz_fixup = TRUE;
2508
2509 /* let the PSM run to the suspended state, set mode to BSS STA */
2510 W_REG(osh, &regs->macintstatus, -1);
2511 wlc_bmac_mctrl(wlc_hw, ~0,
2512 (MCTL_IHR_EN | MCTL_INFRA | MCTL_PSM_RUN | MCTL_WAKE));
2513
2514 /* wait for ucode to self-suspend after auto-init */
2515 SPINWAIT(((R_REG(osh, &regs->macintstatus) & MI_MACSSPNDD) == 0),
2516 1000 * 1000);
2517 if ((R_REG(osh, &regs->macintstatus) & MI_MACSSPNDD) == 0)
2518 WL_ERROR(("wl%d: wlc_coreinit: ucode did not self-suspend!\n",
2519 wlc_hw->unit));
2520
2521 wlc_gpio_init(wlc);
2522
2523 sflags = si_core_sflags(wlc_hw->sih, 0, 0);
2524
2525 if (D11REV_IS(wlc_hw->corerev, 23)) {
2526 if (WLCISNPHY(wlc_hw->band))
2527 wlc_write_inits(wlc_hw, d11n0initvals16);
2528 else
2529 WL_ERROR(("%s: wl%d: unsupported phy in corerev %d\n",
2530 __func__, wlc_hw->unit, wlc_hw->corerev));
2531 } else if (D11REV_IS(wlc_hw->corerev, 24)) {
2532 if (WLCISLCNPHY(wlc_hw->band)) {
2533 wlc_write_inits(wlc_hw, d11lcn0initvals24);
2534 } else {
2535 WL_ERROR(("%s: wl%d: unsupported phy in corerev %d\n",
2536 __func__, wlc_hw->unit, wlc_hw->corerev));
2537 }
2538 } else {
2539 WL_ERROR(("%s: wl%d: unsupported corerev %d\n",
2540 __func__, wlc_hw->unit, wlc_hw->corerev));
2541 }
2542
2543 /* For old ucode, txfifo sizes needs to be modified(increased) for Corerev >= 9 */
2544 if (fifosz_fixup == TRUE) {
2545 wlc_corerev_fifofixup(wlc_hw);
2546 }
2547
2548 /* check txfifo allocations match between ucode and driver */
2549 buf[TX_AC_BE_FIFO] = wlc_bmac_read_shm(wlc_hw, M_FIFOSIZE0);
2550 if (buf[TX_AC_BE_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]) {
2551 i = TX_AC_BE_FIFO;
2552 err = -1;
2553 }
2554 buf[TX_AC_VI_FIFO] = wlc_bmac_read_shm(wlc_hw, M_FIFOSIZE1);
2555 if (buf[TX_AC_VI_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]) {
2556 i = TX_AC_VI_FIFO;
2557 err = -1;
2558 }
2559 buf[TX_AC_BK_FIFO] = wlc_bmac_read_shm(wlc_hw, M_FIFOSIZE2);
2560 buf[TX_AC_VO_FIFO] = (buf[TX_AC_BK_FIFO] >> 8) & 0xff;
2561 buf[TX_AC_BK_FIFO] &= 0xff;
2562 if (buf[TX_AC_BK_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BK_FIFO]) {
2563 i = TX_AC_BK_FIFO;
2564 err = -1;
2565 }
2566 if (buf[TX_AC_VO_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO]) {
2567 i = TX_AC_VO_FIFO;
2568 err = -1;
2569 }
2570 buf[TX_BCMC_FIFO] = wlc_bmac_read_shm(wlc_hw, M_FIFOSIZE3);
2571 buf[TX_ATIM_FIFO] = (buf[TX_BCMC_FIFO] >> 8) & 0xff;
2572 buf[TX_BCMC_FIFO] &= 0xff;
2573 if (buf[TX_BCMC_FIFO] != wlc_hw->xmtfifo_sz[TX_BCMC_FIFO]) {
2574 i = TX_BCMC_FIFO;
2575 err = -1;
2576 }
2577 if (buf[TX_ATIM_FIFO] != wlc_hw->xmtfifo_sz[TX_ATIM_FIFO]) {
2578 i = TX_ATIM_FIFO;
2579 err = -1;
2580 }
2581 if (err != 0) {
2582 WL_ERROR(("wlc_coreinit: txfifo mismatch: ucode size %d driver size %d index %d\n", buf[i], wlc_hw->xmtfifo_sz[i], i));
2583 /* DO NOT ASSERT corerev < 4 even there is a mismatch
2584 * shmem, since driver don't overwrite those chip and
2585 * ucode initialize data will be used.
2586 */
2587 if (D11REV_GE(wlc_hw->corerev, 4))
2588 ASSERT(0);
2589 }
2590
2591 /* make sure we can still talk to the mac */
2592 ASSERT(R_REG(osh, &regs->maccontrol) != 0xffffffff);
2593
2594 /* band-specific inits done by wlc_bsinit() */
2595
2596 /* Set up frame burst size and antenna swap threshold init values */
2597 wlc_bmac_write_shm(wlc_hw, M_MBURST_SIZE, MAXTXFRAMEBURST);
2598 wlc_bmac_write_shm(wlc_hw, M_MAX_ANTCNT, ANTCNT);
2599
2600 /* enable one rx interrupt per received frame */
2601 W_REG(osh, &regs->intrcvlazy[0], (1 << IRL_FC_SHIFT));
2602 if (D11REV_IS(wlc_hw->corerev, 4))
2603 W_REG(osh, &regs->intrcvlazy[3], (1 << IRL_FC_SHIFT));
2604
2605 /* set the station mode (BSS STA) */
2606 wlc_bmac_mctrl(wlc_hw,
2607 (MCTL_INFRA | MCTL_DISCARD_PMQ | MCTL_AP),
2608 (MCTL_INFRA | MCTL_DISCARD_PMQ));
2609
2610 /* set up Beacon interval */
2611 bcnint_us = 0x8000 << 10;
2612 W_REG(osh, &regs->tsf_cfprep, (bcnint_us << CFPREP_CBI_SHIFT));
2613 W_REG(osh, &regs->tsf_cfpstart, bcnint_us);
2614 W_REG(osh, &regs->macintstatus, MI_GP1);
2615
2616 /* write interrupt mask */
2617 W_REG(osh, &regs->intctrlregs[RX_FIFO].intmask, DEF_RXINTMASK);
2618 if (D11REV_IS(wlc_hw->corerev, 4))
2619 W_REG(osh, &regs->intctrlregs[RX_TXSTATUS_FIFO].intmask,
2620 DEF_RXINTMASK);
2621
2622 /* allow the MAC to control the PHY clock (dynamic on/off) */
2623 wlc_bmac_macphyclk_set(wlc_hw, ON);
2624
2625 /* program dynamic clock control fast powerup delay register */
2626 if (D11REV_GT(wlc_hw->corerev, 4)) {
2627 wlc->fastpwrup_dly = si_clkctl_fast_pwrup_delay(wlc_hw->sih);
2628 W_REG(osh, &regs->scc_fastpwrup_dly, wlc->fastpwrup_dly);
2629 }
2630
2631 /* tell the ucode the corerev */
7d4df48e 2632 wlc_bmac_write_shm(wlc_hw, M_MACHW_VER, (u16) wlc_hw->corerev);
a9533e7e
HP
2633
2634 /* tell the ucode MAC capabilities */
2635 if (D11REV_GE(wlc_hw->corerev, 13)) {
2636 wlc_bmac_write_shm(wlc_hw, M_MACHW_CAP_L,
7d4df48e 2637 (u16) (wlc_hw->machwcap & 0xffff));
a9533e7e 2638 wlc_bmac_write_shm(wlc_hw, M_MACHW_CAP_H,
7d4df48e 2639 (u16) ((wlc_hw->
a9533e7e
HP
2640 machwcap >> 16) & 0xffff));
2641 }
2642
2643 /* write retry limits to SCR, this done after PSM init */
2644 W_REG(osh, &regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
2645 (void)R_REG(osh, &regs->objaddr);
2646 W_REG(osh, &regs->objdata, wlc_hw->SRL);
2647 W_REG(osh, &regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
2648 (void)R_REG(osh, &regs->objaddr);
2649 W_REG(osh, &regs->objdata, wlc_hw->LRL);
2650
2651 /* write rate fallback retry limits */
2652 wlc_bmac_write_shm(wlc_hw, M_SFRMTXCNTFBRTHSD, wlc_hw->SFBL);
2653 wlc_bmac_write_shm(wlc_hw, M_LFRMTXCNTFBRTHSD, wlc_hw->LFBL);
2654
2655 if (D11REV_GE(wlc_hw->corerev, 16)) {
2656 AND_REG(osh, &regs->ifs_ctl, 0x0FFF);
2657 W_REG(osh, &regs->ifs_aifsn, EDCF_AIFSN_MIN);
2658 }
2659
2660 /* dma initializations */
2661 wlc->txpend16165war = 0;
2662
2663 /* init the tx dma engines */
2664 for (i = 0; i < NFIFO; i++) {
2665 if (wlc_hw->di[i])
2666 dma_txinit(wlc_hw->di[i]);
2667 }
2668
2669 /* init the rx dma engine(s) and post receive buffers */
2670 dma_rxinit(wlc_hw->di[RX_FIFO]);
2671 dma_rxfill(wlc_hw->di[RX_FIFO]);
2672 if (D11REV_IS(wlc_hw->corerev, 4)) {
2673 dma_rxinit(wlc_hw->di[RX_TXSTATUS_FIFO]);
2674 dma_rxfill(wlc_hw->di[RX_TXSTATUS_FIFO]);
2675 }
2676}
2677
2678/* This function is used for changing the tsf frac register
2679 * If spur avoidance mode is off, the mac freq will be 80/120/160Mhz
2680 * If spur avoidance mode is on1, the mac freq will be 82/123/164Mhz
2681 * If spur avoidance mode is on2, the mac freq will be 84/126/168Mhz
2682 * HTPHY Formula is 2^26/freq(MHz) e.g.
2683 * For spuron2 - 126MHz -> 2^26/126 = 532610.0
2684 * - 532610 = 0x82082 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x2082
2685 * For spuron: 123MHz -> 2^26/123 = 545600.5
2686 * - 545601 = 0x85341 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x5341
2687 * For spur off: 120MHz -> 2^26/120 = 559240.5
2688 * - 559241 = 0x88889 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x8889
2689 */
2690
41feb5ed 2691void wlc_bmac_switch_macfreq(wlc_hw_info_t *wlc_hw, u8 spurmode)
a9533e7e
HP
2692{
2693 d11regs_t *regs;
2694 osl_t *osh;
2695 regs = wlc_hw->regs;
2696 osh = wlc_hw->osh;
2697
2698 if ((CHIPID(wlc_hw->sih->chip) == BCM43224_CHIP_ID) ||
2699 (CHIPID(wlc_hw->sih->chip) == BCM43225_CHIP_ID)) {
2700 if (spurmode == WL_SPURAVOID_ON2) { /* 126Mhz */
2701 W_REG(osh, &regs->tsf_clk_frac_l, 0x2082);
2702 W_REG(osh, &regs->tsf_clk_frac_h, 0x8);
2703 } else if (spurmode == WL_SPURAVOID_ON1) { /* 123Mhz */
2704 W_REG(osh, &regs->tsf_clk_frac_l, 0x5341);
2705 W_REG(osh, &regs->tsf_clk_frac_h, 0x8);
2706 } else { /* 120Mhz */
2707 W_REG(osh, &regs->tsf_clk_frac_l, 0x8889);
2708 W_REG(osh, &regs->tsf_clk_frac_h, 0x8);
2709 }
2710 } else if (WLCISLCNPHY(wlc_hw->band)) {
2711 if (spurmode == WL_SPURAVOID_ON1) { /* 82Mhz */
2712 W_REG(osh, &regs->tsf_clk_frac_l, 0x7CE0);
2713 W_REG(osh, &regs->tsf_clk_frac_h, 0xC);
2714 } else { /* 80Mhz */
2715 W_REG(osh, &regs->tsf_clk_frac_l, 0xCCCD);
2716 W_REG(osh, &regs->tsf_clk_frac_h, 0xC);
2717 }
2718 }
2719}
2720
2721/* Initialize GPIOs that are controlled by D11 core */
a2627bc0
JC
2722static void BCMINITFN(wlc_gpio_init) (wlc_info_t *wlc)
2723{
a9533e7e
HP
2724 wlc_hw_info_t *wlc_hw = wlc->hw;
2725 d11regs_t *regs;
66cbd3ab 2726 u32 gc, gm;
a9533e7e
HP
2727 osl_t *osh;
2728
2729 regs = wlc_hw->regs;
2730 osh = wlc_hw->osh;
2731
2732 /* use GPIO select 0 to get all gpio signals from the gpio out reg */
2733 wlc_bmac_mctrl(wlc_hw, MCTL_GPOUT_SEL_MASK, 0);
2734
2735 /*
2736 * Common GPIO setup:
2737 * G0 = LED 0 = WLAN Activity
2738 * G1 = LED 1 = WLAN 2.4 GHz Radio State
2739 * G2 = LED 2 = WLAN 5 GHz Radio State
2740 * G4 = radio disable input (HI enabled, LO disabled)
2741 */
2742
2743 gc = gm = 0;
2744
2745 /* Allocate GPIOs for mimo antenna diversity feature */
2746 if (WLANTSEL_ENAB(wlc)) {
2747 if (wlc_hw->antsel_type == ANTSEL_2x3) {
2748 /* Enable antenna diversity, use 2x3 mode */
2749 wlc_bmac_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
2750 MHF3_ANTSEL_EN, WLC_BAND_ALL);
2751 wlc_bmac_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE,
2752 MHF3_ANTSEL_MODE, WLC_BAND_ALL);
2753
2754 /* init superswitch control */
2755 wlc_phy_antsel_init(wlc_hw->band->pi, FALSE);
2756
2757 } else if (wlc_hw->antsel_type == ANTSEL_2x4) {
2758 ASSERT((gm & BOARD_GPIO_12) == 0);
2759 gm |= gc |= (BOARD_GPIO_12 | BOARD_GPIO_13);
2760 /* The board itself is powered by these GPIOs (when not sending pattern)
2761 * So set them high
2762 */
2763 OR_REG(osh, &regs->psm_gpio_oe,
2764 (BOARD_GPIO_12 | BOARD_GPIO_13));
2765 OR_REG(osh, &regs->psm_gpio_out,
2766 (BOARD_GPIO_12 | BOARD_GPIO_13));
2767
2768 /* Enable antenna diversity, use 2x4 mode */
2769 wlc_bmac_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
2770 MHF3_ANTSEL_EN, WLC_BAND_ALL);
2771 wlc_bmac_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE, 0,
2772 WLC_BAND_ALL);
2773
2774 /* Configure the desired clock to be 4Mhz */
2775 wlc_bmac_write_shm(wlc_hw, M_ANTSEL_CLKDIV,
2776 ANTSEL_CLKDIV_4MHZ);
2777 }
2778 }
2779 /* gpio 9 controls the PA. ucode is responsible for wiggling out and oe */
2780 if (wlc_hw->boardflags & BFL_PACTRL)
2781 gm |= gc |= BOARD_GPIO_PACTRL;
2782
2783 /* apply to gpiocontrol register */
2784 si_gpiocontrol(wlc_hw->sih, gm, gc, GPIO_DRV_PRIORITY);
2785}
2786
a2627bc0
JC
2787static void BCMATTACHFN(wlc_ucode_download) (wlc_hw_info_t *wlc_hw)
2788{
a9533e7e
HP
2789 wlc_info_t *wlc;
2790 wlc = wlc_hw->wlc;
2791
2792 if (wlc_hw->ucode_loaded)
2793 return;
2794
2795 if (D11REV_IS(wlc_hw->corerev, 23)) {
2796 if (WLCISNPHY(wlc_hw->band)) {
2797 wlc_ucode_write(wlc_hw, bcm43xx_16_mimo,
2798 bcm43xx_16_mimosz);
2799 wlc_hw->ucode_loaded = TRUE;
2800 } else
2801 WL_ERROR(("%s: wl%d: unsupported phy in corerev %d\n",
2802 __func__, wlc_hw->unit, wlc_hw->corerev));
2803 } else if (D11REV_IS(wlc_hw->corerev, 24)) {
2804 if (WLCISLCNPHY(wlc_hw->band)) {
2805 wlc_ucode_write(wlc_hw, bcm43xx_24_lcn,
2806 bcm43xx_24_lcnsz);
2807 wlc_hw->ucode_loaded = TRUE;
2808 } else {
2809 WL_ERROR(("%s: wl%d: unsupported phy in corerev %d\n",
2810 __func__, wlc_hw->unit, wlc_hw->corerev));
2811 }
2812 }
2813}
2814
2815static void
66cbd3ab 2816BCMATTACHFN(wlc_ucode_write) (wlc_hw_info_t *wlc_hw, const u32 ucode[],
a9533e7e
HP
2817 const uint nbytes) {
2818 osl_t *osh;
2819 d11regs_t *regs = wlc_hw->regs;
2820 uint i;
2821 uint count;
2822
2823 osh = wlc_hw->osh;
2824
2825 WL_TRACE(("wl%d: wlc_ucode_write\n", wlc_hw->unit));
2826
66cbd3ab 2827 ASSERT(ISALIGNED(nbytes, sizeof(u32)));
a9533e7e 2828
66cbd3ab 2829 count = (nbytes / sizeof(u32));
a9533e7e
HP
2830
2831 W_REG(osh, &regs->objaddr, (OBJADDR_AUTO_INC | OBJADDR_UCM_SEL));
2832 (void)R_REG(osh, &regs->objaddr);
2833 for (i = 0; i < count; i++)
2834 W_REG(osh, &regs->objdata, ucode[i]);
2835}
2836
7cc4a4c0 2837static void wlc_write_inits(wlc_hw_info_t *wlc_hw, const d11init_t *inits)
a9533e7e
HP
2838{
2839 int i;
2840 osl_t *osh;
41feb5ed 2841 volatile u8 *base;
a9533e7e
HP
2842
2843 WL_TRACE(("wl%d: wlc_write_inits\n", wlc_hw->unit));
2844
2845 osh = wlc_hw->osh;
41feb5ed 2846 base = (volatile u8 *)wlc_hw->regs;
a9533e7e
HP
2847
2848 for (i = 0; inits[i].addr != 0xffff; i++) {
2849 ASSERT((inits[i].size == 2) || (inits[i].size == 4));
2850
2851 if (inits[i].size == 2)
7d4df48e 2852 W_REG(osh, (u16 *) (uintptr) (base + inits[i].addr),
a9533e7e
HP
2853 inits[i].value);
2854 else if (inits[i].size == 4)
66cbd3ab 2855 W_REG(osh, (u32 *) (uintptr) (base + inits[i].addr),
a9533e7e
HP
2856 inits[i].value);
2857 }
2858}
2859
7cc4a4c0 2860static void wlc_ucode_txant_set(wlc_hw_info_t *wlc_hw)
a9533e7e 2861{
7d4df48e
GKH
2862 u16 phyctl;
2863 u16 phytxant = wlc_hw->bmac_phytxant;
2864 u16 mask = PHY_TXC_ANT_MASK;
a9533e7e
HP
2865
2866 /* set the Probe Response frame phy control word */
2867 phyctl = wlc_bmac_read_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS);
2868 phyctl = (phyctl & ~mask) | phytxant;
2869 wlc_bmac_write_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS, phyctl);
2870
2871 /* set the Response (ACK/CTS) frame phy control word */
2872 phyctl = wlc_bmac_read_shm(wlc_hw, M_RSP_PCTLWD);
2873 phyctl = (phyctl & ~mask) | phytxant;
2874 wlc_bmac_write_shm(wlc_hw, M_RSP_PCTLWD, phyctl);
2875}
2876
7d4df48e 2877void wlc_bmac_txant_set(wlc_hw_info_t *wlc_hw, u16 phytxant)
a9533e7e
HP
2878{
2879 /* update sw state */
2880 wlc_hw->bmac_phytxant = phytxant;
2881
2882 /* push to ucode if up */
2883 if (!wlc_hw->up)
2884 return;
2885 wlc_ucode_txant_set(wlc_hw);
2886
2887}
2888
7d4df48e 2889u16 wlc_bmac_get_txant(wlc_hw_info_t *wlc_hw)
a9533e7e 2890{
7d4df48e 2891 return (u16) wlc_hw->wlc->stf->txant;
a9533e7e
HP
2892}
2893
41feb5ed 2894void wlc_bmac_antsel_type_set(wlc_hw_info_t *wlc_hw, u8 antsel_type)
a9533e7e
HP
2895{
2896 wlc_hw->antsel_type = antsel_type;
2897
2898 /* Update the antsel type for phy module to use */
2899 wlc_phy_antsel_type_set(wlc_hw->band->pi, antsel_type);
2900}
2901
7cc4a4c0 2902void wlc_bmac_fifoerrors(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
2903{
2904 bool fatal = FALSE;
2905 uint unit;
2906 uint intstatus, idx;
2907 d11regs_t *regs = wlc_hw->regs;
2908
2909 unit = wlc_hw->unit;
2910
2911 for (idx = 0; idx < NFIFO; idx++) {
2912 /* read intstatus register and ignore any non-error bits */
2913 intstatus =
2914 R_REG(wlc_hw->osh,
2915 &regs->intctrlregs[idx].intstatus) & I_ERRORS;
2916 if (!intstatus)
2917 continue;
2918
2919 WL_TRACE(("wl%d: wlc_bmac_fifoerrors: intstatus%d 0x%x\n", unit,
2920 idx, intstatus));
2921
2922 if (intstatus & I_RO) {
2923 WL_ERROR(("wl%d: fifo %d: receive fifo overflow\n",
2924 unit, idx));
2925 WLCNTINCR(wlc_hw->wlc->pub->_cnt->rxoflo);
2926 fatal = TRUE;
2927 }
2928
2929 if (intstatus & I_PC) {
2930 WL_ERROR(("wl%d: fifo %d: descriptor error\n", unit,
2931 idx));
2932 WLCNTINCR(wlc_hw->wlc->pub->_cnt->dmade);
2933 fatal = TRUE;
2934 }
2935
2936 if (intstatus & I_PD) {
2937 WL_ERROR(("wl%d: fifo %d: data error\n", unit, idx));
2938 WLCNTINCR(wlc_hw->wlc->pub->_cnt->dmada);
2939 fatal = TRUE;
2940 }
2941
2942 if (intstatus & I_DE) {
2943 WL_ERROR(("wl%d: fifo %d: descriptor protocol error\n",
2944 unit, idx));
2945 WLCNTINCR(wlc_hw->wlc->pub->_cnt->dmape);
2946 fatal = TRUE;
2947 }
2948
2949 if (intstatus & I_RU) {
2950 WL_ERROR(("wl%d: fifo %d: receive descriptor underflow\n", unit, idx));
2951 WLCNTINCR(wlc_hw->wlc->pub->_cnt->rxuflo[idx]);
2952 }
2953
2954 if (intstatus & I_XU) {
2955 WL_ERROR(("wl%d: fifo %d: transmit fifo underflow\n",
2956 idx, unit));
2957 WLCNTINCR(wlc_hw->wlc->pub->_cnt->txuflo);
2958 fatal = TRUE;
2959 }
2960
2961 if (fatal) {
2962 wlc_fatal_error(wlc_hw->wlc); /* big hammer */
2963 break;
2964 } else
2965 W_REG(wlc_hw->osh, &regs->intctrlregs[idx].intstatus,
2966 intstatus);
2967 }
2968}
2969
7cc4a4c0 2970void wlc_intrson(wlc_info_t *wlc)
a9533e7e
HP
2971{
2972 wlc_hw_info_t *wlc_hw = wlc->hw;
2973 ASSERT(wlc->defmacintmask);
2974 wlc->macintmask = wlc->defmacintmask;
2975 W_REG(wlc_hw->osh, &wlc_hw->regs->macintmask, wlc->macintmask);
2976}
2977
2978/* callback for siutils.c, which has only wlc handler, no wl
2979 * they both check up, not only because there is no need to off/restore d11 interrupt
2980 * but also because per-port code may require sync with valid interrupt.
2981 */
2982
66cbd3ab 2983static u32 wlc_wlintrsoff(wlc_info_t *wlc)
a9533e7e
HP
2984{
2985 if (!wlc->hw->up)
2986 return 0;
2987
2988 return wl_intrsoff(wlc->wl);
2989}
2990
66cbd3ab 2991static void wlc_wlintrsrestore(wlc_info_t *wlc, u32 macintmask)
a9533e7e
HP
2992{
2993 if (!wlc->hw->up)
2994 return;
2995
2996 wl_intrsrestore(wlc->wl, macintmask);
2997}
2998
66cbd3ab 2999u32 wlc_intrsoff(wlc_info_t *wlc)
a9533e7e
HP
3000{
3001 wlc_hw_info_t *wlc_hw = wlc->hw;
66cbd3ab 3002 u32 macintmask;
a9533e7e
HP
3003
3004 if (!wlc_hw->clk)
3005 return 0;
3006
3007 macintmask = wlc->macintmask; /* isr can still happen */
3008
3009 W_REG(wlc_hw->osh, &wlc_hw->regs->macintmask, 0);
3010 (void)R_REG(wlc_hw->osh, &wlc_hw->regs->macintmask); /* sync readback */
3011 OSL_DELAY(1); /* ensure int line is no longer driven */
3012 wlc->macintmask = 0;
3013
3014 /* return previous macintmask; resolve race between us and our isr */
90ea2296 3015 return wlc->macintstatus ? 0 : macintmask;
a9533e7e
HP
3016}
3017
66cbd3ab 3018void wlc_intrsrestore(wlc_info_t *wlc, u32 macintmask)
a9533e7e
HP
3019{
3020 wlc_hw_info_t *wlc_hw = wlc->hw;
3021 if (!wlc_hw->clk)
3022 return;
3023
3024 wlc->macintmask = macintmask;
3025 W_REG(wlc_hw->osh, &wlc_hw->regs->macintmask, wlc->macintmask);
3026}
3027
7cc4a4c0 3028void wlc_bmac_mute(wlc_hw_info_t *wlc_hw, bool on, mbool flags)
a9533e7e
HP
3029{
3030 struct ether_addr null_ether_addr = { {0, 0, 0, 0, 0, 0} };
3031
3032 if (on) {
3033 /* suspend tx fifos */
3034 wlc_bmac_tx_fifo_suspend(wlc_hw, TX_DATA_FIFO);
3035 wlc_bmac_tx_fifo_suspend(wlc_hw, TX_CTL_FIFO);
3036 wlc_bmac_tx_fifo_suspend(wlc_hw, TX_AC_BK_FIFO);
3037 wlc_bmac_tx_fifo_suspend(wlc_hw, TX_AC_VI_FIFO);
3038
3039 /* zero the address match register so we do not send ACKs */
3040 wlc_bmac_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
3041 &null_ether_addr);
3042 } else {
3043 /* resume tx fifos */
3044 if (!wlc_hw->wlc->tx_suspended) {
3045 wlc_bmac_tx_fifo_resume(wlc_hw, TX_DATA_FIFO);
3046 }
3047 wlc_bmac_tx_fifo_resume(wlc_hw, TX_CTL_FIFO);
3048 wlc_bmac_tx_fifo_resume(wlc_hw, TX_AC_BK_FIFO);
3049 wlc_bmac_tx_fifo_resume(wlc_hw, TX_AC_VI_FIFO);
3050
3051 /* Restore address */
3052 wlc_bmac_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
3053 &wlc_hw->etheraddr);
3054 }
3055
3056 wlc_phy_mute_upd(wlc_hw->band->pi, on, flags);
3057
3058 if (on)
3059 wlc_ucode_mute_override_set(wlc_hw);
3060 else
3061 wlc_ucode_mute_override_clear(wlc_hw);
3062}
3063
7cc4a4c0 3064void wlc_bmac_set_deaf(wlc_hw_info_t *wlc_hw, bool user_flag)
a9533e7e
HP
3065{
3066 wlc_phy_set_deaf(wlc_hw->band->pi, user_flag);
3067}
3068
7cc4a4c0 3069int wlc_bmac_xmtfifo_sz_get(wlc_hw_info_t *wlc_hw, uint fifo, uint *blocks)
a9533e7e
HP
3070{
3071 if (fifo >= NFIFO)
3072 return BCME_RANGE;
3073
3074 *blocks = wlc_hw->xmtfifo_sz[fifo];
3075
3076 return 0;
3077}
3078
7cc4a4c0 3079int wlc_bmac_xmtfifo_sz_set(wlc_hw_info_t *wlc_hw, uint fifo, uint blocks)
a9533e7e
HP
3080{
3081 if (fifo >= NFIFO || blocks > 299)
3082 return BCME_RANGE;
3083
7d4df48e
GKH
3084 /* BMAC_NOTE, change blocks to u16 */
3085 wlc_hw->xmtfifo_sz[fifo] = (u16) blocks;
a9533e7e
HP
3086
3087 return 0;
3088}
3089
3090/* wlc_bmac_tx_fifo_suspended:
3091 * Check the MAC's tx suspend status for a tx fifo.
3092 *
3093 * When the MAC acknowledges a tx suspend, it indicates that no more
3094 * packets will be transmitted out the radio. This is independent of
3095 * DMA channel suspension---the DMA may have finished suspending, or may still
3096 * be pulling data into a tx fifo, by the time the MAC acks the suspend
3097 * request.
3098 */
7cc4a4c0 3099bool wlc_bmac_tx_fifo_suspended(wlc_hw_info_t *wlc_hw, uint tx_fifo)
a9533e7e
HP
3100{
3101 /* check that a suspend has been requested and is no longer pending */
3102
3103 /*
3104 * for DMA mode, the suspend request is set in xmtcontrol of the DMA engine,
3105 * and the tx fifo suspend at the lower end of the MAC is acknowledged in the
3106 * chnstatus register.
3107 * The tx fifo suspend completion is independent of the DMA suspend completion and
3108 * may be acked before or after the DMA is suspended.
3109 */
3110 if (dma_txsuspended(wlc_hw->di[tx_fifo]) &&
3111 (R_REG(wlc_hw->osh, &wlc_hw->regs->chnstatus) &
3112 (1 << tx_fifo)) == 0)
3113 return TRUE;
3114
3115 return FALSE;
3116}
3117
7cc4a4c0 3118void wlc_bmac_tx_fifo_suspend(wlc_hw_info_t *wlc_hw, uint tx_fifo)
a9533e7e 3119{
41feb5ed 3120 u8 fifo = 1 << tx_fifo;
a9533e7e
HP
3121
3122 /* Two clients of this code, 11h Quiet period and scanning. */
3123
3124 /* only suspend if not already suspended */
3125 if ((wlc_hw->suspended_fifos & fifo) == fifo)
3126 return;
3127
3128 /* force the core awake only if not already */
3129 if (wlc_hw->suspended_fifos == 0)
3130 wlc_ucode_wake_override_set(wlc_hw, WLC_WAKE_OVERRIDE_TXFIFO);
3131
3132 wlc_hw->suspended_fifos |= fifo;
3133
3134 if (wlc_hw->di[tx_fifo]) {
3135 /* Suspending AMPDU transmissions in the middle can cause underflow
3136 * which may result in mismatch between ucode and driver
3137 * so suspend the mac before suspending the FIFO
3138 */
3139 if (WLC_PHY_11N_CAP(wlc_hw->band))
3140 wlc_suspend_mac_and_wait(wlc_hw->wlc);
3141
3142 dma_txsuspend(wlc_hw->di[tx_fifo]);
3143
3144 if (WLC_PHY_11N_CAP(wlc_hw->band))
3145 wlc_enable_mac(wlc_hw->wlc);
3146 }
3147}
3148
7cc4a4c0 3149void wlc_bmac_tx_fifo_resume(wlc_hw_info_t *wlc_hw, uint tx_fifo)
a9533e7e
HP
3150{
3151 /* BMAC_NOTE: WLC_TX_FIFO_ENAB is done in wlc_dpc() for DMA case but need to be done
3152 * here for PIO otherwise the watchdog will catch the inconsistency and fire
3153 */
3154 /* Two clients of this code, 11h Quiet period and scanning. */
3155 if (wlc_hw->di[tx_fifo])
3156 dma_txresume(wlc_hw->di[tx_fifo]);
3157
3158 /* allow core to sleep again */
3159 if (wlc_hw->suspended_fifos == 0)
3160 return;
3161 else {
3162 wlc_hw->suspended_fifos &= ~(1 << tx_fifo);
3163 if (wlc_hw->suspended_fifos == 0)
3164 wlc_ucode_wake_override_clear(wlc_hw,
3165 WLC_WAKE_OVERRIDE_TXFIFO);
3166 }
3167}
3168
3169/*
3170 * Read and clear macintmask and macintstatus and intstatus registers.
3171 * This routine should be called with interrupts off
3172 * Return:
3173 * -1 if DEVICEREMOVED(wlc) evaluates to TRUE;
3174 * 0 if the interrupt is not for us, or we are in some special cases;
3175 * device interrupt status bits otherwise.
3176 */
66cbd3ab 3177static inline u32 wlc_intstatus(wlc_info_t *wlc, bool in_isr)
a9533e7e
HP
3178{
3179 wlc_hw_info_t *wlc_hw = wlc->hw;
3180 d11regs_t *regs = wlc_hw->regs;
66cbd3ab
GKH
3181 u32 macintstatus;
3182 u32 intstatus_rxfifo, intstatus_txsfifo;
a9533e7e
HP
3183 osl_t *osh;
3184
3185 osh = wlc_hw->osh;
3186
3187 /* macintstatus includes a DMA interrupt summary bit */
3188 macintstatus = R_REG(osh, &regs->macintstatus);
3189
3190 WL_TRACE(("wl%d: macintstatus: 0x%x\n", wlc_hw->unit, macintstatus));
3191
3192 /* detect cardbus removed, in power down(suspend) and in reset */
3193 if (DEVICEREMOVED(wlc))
3194 return -1;
3195
3196 /* DEVICEREMOVED succeeds even when the core is still resetting,
3197 * handle that case here.
3198 */
3199 if (macintstatus == 0xffffffff)
3200 return 0;
3201
3202 /* defer unsolicited interrupts */
3203 macintstatus &= (in_isr ? wlc->macintmask : wlc->defmacintmask);
3204
3205 /* if not for us */
3206 if (macintstatus == 0)
3207 return 0;
3208
3209 /* interrupts are already turned off for CFE build
3210 * Caution: For CFE Turning off the interrupts again has some undesired
3211 * consequences
3212 */
3213 /* turn off the interrupts */
3214 W_REG(osh, &regs->macintmask, 0);
3215#ifndef BCMSDIO
3216 (void)R_REG(osh, &regs->macintmask); /* sync readback */
3217#endif
3218 wlc->macintmask = 0;
3219
3220 /* clear device interrupts */
3221 W_REG(osh, &regs->macintstatus, macintstatus);
3222
3223 /* MI_DMAINT is indication of non-zero intstatus */
3224 if (macintstatus & MI_DMAINT) {
3225 if (D11REV_IS(wlc_hw->corerev, 4)) {
3226 intstatus_rxfifo =
3227 R_REG(osh, &regs->intctrlregs[RX_FIFO].intstatus);
3228 intstatus_txsfifo =
3229 R_REG(osh,
3230 &regs->intctrlregs[RX_TXSTATUS_FIFO].
3231 intstatus);
3232 WL_TRACE(("wl%d: intstatus_rxfifo 0x%x, intstatus_txsfifo 0x%x\n", wlc_hw->unit, intstatus_rxfifo, intstatus_txsfifo));
3233
3234 /* defer unsolicited interrupt hints */
3235 intstatus_rxfifo &= DEF_RXINTMASK;
3236 intstatus_txsfifo &= DEF_RXINTMASK;
3237
3238 /* MI_DMAINT bit in macintstatus is indication of RX_FIFO interrupt */
3239 /* clear interrupt hints */
3240 if (intstatus_rxfifo)
3241 W_REG(osh,
3242 &regs->intctrlregs[RX_FIFO].intstatus,
3243 intstatus_rxfifo);
3244 else
3245 macintstatus &= ~MI_DMAINT;
3246
3247 /* MI_TFS bit in macintstatus is encoding of RX_TXSTATUS_FIFO interrupt */
3248 if (intstatus_txsfifo) {
3249 W_REG(osh,
3250 &regs->intctrlregs[RX_TXSTATUS_FIFO].
3251 intstatus, intstatus_txsfifo);
3252 macintstatus |= MI_TFS;
3253 }
3254 } else {
3255 /*
3256 * For corerevs >= 5, only fifo interrupt enabled is I_RI in RX_FIFO.
3257 * If MI_DMAINT is set, assume it is set and clear the interrupt.
3258 */
3259 W_REG(osh, &regs->intctrlregs[RX_FIFO].intstatus,
3260 DEF_RXINTMASK);
3261 }
3262 }
3263
3264 return macintstatus;
3265}
3266
3267/* Update wlc->macintstatus and wlc->intstatus[]. */
3268/* Return TRUE if they are updated successfully. FALSE otherwise */
7cc4a4c0 3269bool wlc_intrsupd(wlc_info_t *wlc)
a9533e7e 3270{
66cbd3ab 3271 u32 macintstatus;
a9533e7e
HP
3272
3273 ASSERT(wlc->macintstatus != 0);
3274
3275 /* read and clear macintstatus and intstatus registers */
3276 macintstatus = wlc_intstatus(wlc, FALSE);
3277
3278 /* device is removed */
3279 if (macintstatus == 0xffffffff)
3280 return FALSE;
3281
3282 /* update interrupt status in software */
3283 wlc->macintstatus |= macintstatus;
3284
3285 return TRUE;
3286}
3287
3288/*
3289 * First-level interrupt processing.
3290 * Return TRUE if this was our interrupt, FALSE otherwise.
3291 * *wantdpc will be set to TRUE if further wlc_dpc() processing is required,
3292 * FALSE otherwise.
3293 */
7cc4a4c0 3294bool BCMFASTPATH wlc_isr(wlc_info_t *wlc, bool *wantdpc)
a9533e7e
HP
3295{
3296 wlc_hw_info_t *wlc_hw = wlc->hw;
66cbd3ab 3297 u32 macintstatus;
a9533e7e
HP
3298
3299 *wantdpc = FALSE;
3300
3301 if (!wlc_hw->up || !wlc->macintmask)
90ea2296 3302 return FALSE;
a9533e7e
HP
3303
3304 /* read and clear macintstatus and intstatus registers */
3305 macintstatus = wlc_intstatus(wlc, TRUE);
3306
3307 if (macintstatus == 0xffffffff)
3308 WL_ERROR(("DEVICEREMOVED detected in the ISR code path.\n"));
3309
3310 /* it is not for us */
3311 if (macintstatus == 0)
90ea2296 3312 return FALSE;
a9533e7e
HP
3313
3314 *wantdpc = TRUE;
3315
3316 /* save interrupt status bits */
3317 ASSERT(wlc->macintstatus == 0);
3318 wlc->macintstatus = macintstatus;
3319
90ea2296 3320 return TRUE;
a9533e7e
HP
3321
3322}
3323
3324/* process tx completion events for corerev < 5 */
7cc4a4c0 3325static bool wlc_bmac_txstatus_corerev4(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
3326{
3327 void *status_p;
3328 tx_status_t *txs;
3329 osl_t *osh;
3330 bool fatal = FALSE;
3331
3332 WL_TRACE(("wl%d: wlc_txstatusrecv\n", wlc_hw->unit));
3333
3334 osh = wlc_hw->osh;
3335
3336 while (!fatal && (status_p = dma_rx(wlc_hw->di[RX_TXSTATUS_FIFO]))) {
3337
3338 txs = (tx_status_t *) PKTDATA(status_p);
3339 /* MAC uses little endian only */
3340 ltoh16_buf((void *)txs, sizeof(tx_status_t));
3341
3342 /* shift low bits for tx_status_t status compatibility */
3343 txs->status = (txs->status & ~TXS_COMPAT_MASK)
3344 | (((txs->status & TXS_COMPAT_MASK) << TXS_COMPAT_SHIFT));
3345
3346 fatal = wlc_bmac_dotxstatus(wlc_hw, txs, 0);
3347
3348 PKTFREE(osh, status_p, FALSE);
3349 }
3350
3351 if (fatal)
3352 return TRUE;
3353
3354 /* post more rbufs */
3355 dma_rxfill(wlc_hw->di[RX_TXSTATUS_FIFO]);
3356
3357 return FALSE;
3358}
3359
3360static bool BCMFASTPATH
66cbd3ab 3361wlc_bmac_dotxstatus(wlc_hw_info_t *wlc_hw, tx_status_t *txs, u32 s2)
a9533e7e
HP
3362{
3363 /* discard intermediate indications for ucode with one legitimate case:
3364 * e.g. if "useRTS" is set. ucode did a successful rts/cts exchange, but the subsequent
3365 * tx of DATA failed. so it will start rts/cts from the beginning (resetting the rts
3366 * transmission count)
3367 */
3368 if (!(txs->status & TX_STATUS_AMPDU)
3369 && (txs->status & TX_STATUS_INTERMEDIATE)) {
3370 return FALSE;
3371 }
3372
3373 return wlc_dotxstatus(wlc_hw->wlc, txs, s2);
3374}
3375
3376/* process tx completion events in BMAC
3377 * Return TRUE if more tx status need to be processed. FALSE otherwise.
3378 */
3379static bool BCMFASTPATH
7cc4a4c0 3380wlc_bmac_txstatus(wlc_hw_info_t *wlc_hw, bool bound, bool *fatal)
a9533e7e
HP
3381{
3382 bool morepending = FALSE;
3383 wlc_info_t *wlc = wlc_hw->wlc;
3384
3385 WL_TRACE(("wl%d: wlc_bmac_txstatus\n", wlc_hw->unit));
3386
3387 if (D11REV_IS(wlc_hw->corerev, 4)) {
3388 /* to retire soon */
3389 *fatal = wlc_bmac_txstatus_corerev4(wlc->hw);
3390
3391 if (*fatal)
3392 return 0;
3393 } else {
3394 /* corerev >= 5 */
3395 d11regs_t *regs;
3396 osl_t *osh;
3397 tx_status_t txstatus, *txs;
66cbd3ab 3398 u32 s1, s2;
a9533e7e
HP
3399 uint n = 0;
3400 /* Param 'max_tx_num' indicates max. # tx status to process before break out. */
3401 uint max_tx_num = bound ? wlc->pub->tunables->txsbnd : -1;
3402
3403 txs = &txstatus;
3404 regs = wlc_hw->regs;
3405 osh = wlc_hw->osh;
3406 while (!(*fatal)
3407 && (s1 = R_REG(osh, &regs->frmtxstatus)) & TXS_V) {
3408
3409 if (s1 == 0xffffffff) {
3410 WL_ERROR(("wl%d: %s: dead chip\n",
3411 wlc_hw->unit, __func__));
3412 ASSERT(s1 != 0xffffffff);
3413 return morepending;
3414 }
3415
3416 s2 = R_REG(osh, &regs->frmtxstatus2);
3417
3418 txs->status = s1 & TXS_STATUS_MASK;
3419 txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT;
3420 txs->sequence = s2 & TXS_SEQ_MASK;
3421 txs->phyerr = (s2 & TXS_PTX_MASK) >> TXS_PTX_SHIFT;
3422 txs->lasttxtime = 0;
3423
3424 *fatal = wlc_bmac_dotxstatus(wlc_hw, txs, s2);
3425
3426 /* !give others some time to run! */
3427 if (++n >= max_tx_num)
3428 break;
3429 }
3430
3431 if (*fatal)
3432 return 0;
3433
3434 if (n >= max_tx_num)
3435 morepending = TRUE;
3436 }
3437
3438 if (!pktq_empty(&wlc->active_queue->q))
3439 wlc_send_q(wlc, wlc->active_queue);
3440
3441 return morepending;
3442}
3443
7cc4a4c0 3444void wlc_suspend_mac_and_wait(wlc_info_t *wlc)
a9533e7e
HP
3445{
3446 wlc_hw_info_t *wlc_hw = wlc->hw;
3447 d11regs_t *regs = wlc_hw->regs;
66cbd3ab 3448 u32 mc, mi;
a9533e7e
HP
3449 osl_t *osh;
3450
3451 WL_TRACE(("wl%d: wlc_suspend_mac_and_wait: bandunit %d\n", wlc_hw->unit,
3452 wlc_hw->band->bandunit));
3453
3454 /*
3455 * Track overlapping suspend requests
3456 */
3457 wlc_hw->mac_suspend_depth++;
3458 if (wlc_hw->mac_suspend_depth > 1)
3459 return;
3460
3461 osh = wlc_hw->osh;
3462
3463 /* force the core awake */
3464 wlc_ucode_wake_override_set(wlc_hw, WLC_WAKE_OVERRIDE_MACSUSPEND);
3465
3466 mc = R_REG(osh, &regs->maccontrol);
3467
3468 if (mc == 0xffffffff) {
3469 WL_ERROR(("wl%d: %s: dead chip\n", wlc_hw->unit, __func__));
3470 wl_down(wlc->wl);
3471 return;
3472 }
3473 ASSERT(!(mc & MCTL_PSM_JMP_0));
3474 ASSERT(mc & MCTL_PSM_RUN);
3475 ASSERT(mc & MCTL_EN_MAC);
3476
3477 mi = R_REG(osh, &regs->macintstatus);
3478 if (mi == 0xffffffff) {
3479 WL_ERROR(("wl%d: %s: dead chip\n", wlc_hw->unit, __func__));
3480 wl_down(wlc->wl);
3481 return;
3482 }
3483 ASSERT(!(mi & MI_MACSSPNDD));
3484
3485 wlc_bmac_mctrl(wlc_hw, MCTL_EN_MAC, 0);
3486
3487 SPINWAIT(!(R_REG(osh, &regs->macintstatus) & MI_MACSSPNDD),
3488 WLC_MAX_MAC_SUSPEND);
3489
3490 if (!(R_REG(osh, &regs->macintstatus) & MI_MACSSPNDD)) {
3491 WL_ERROR(("wl%d: wlc_suspend_mac_and_wait: waited %d uS and "
3492 "MI_MACSSPNDD is still not on.\n",
3493 wlc_hw->unit, WLC_MAX_MAC_SUSPEND));
3494 WL_ERROR(("wl%d: psmdebug 0x%08x, phydebug 0x%08x, psm_brc 0x%04x\n", wlc_hw->unit, R_REG(osh, &regs->psmdebug), R_REG(osh, &regs->phydebug), R_REG(osh, &regs->psm_brc)));
3495 }
3496
3497 mc = R_REG(osh, &regs->maccontrol);
3498 if (mc == 0xffffffff) {
3499 WL_ERROR(("wl%d: %s: dead chip\n", wlc_hw->unit, __func__));
3500 wl_down(wlc->wl);
3501 return;
3502 }
3503 ASSERT(!(mc & MCTL_PSM_JMP_0));
3504 ASSERT(mc & MCTL_PSM_RUN);
3505 ASSERT(!(mc & MCTL_EN_MAC));
3506}
3507
7cc4a4c0 3508void wlc_enable_mac(wlc_info_t *wlc)
a9533e7e
HP
3509{
3510 wlc_hw_info_t *wlc_hw = wlc->hw;
3511 d11regs_t *regs = wlc_hw->regs;
66cbd3ab 3512 u32 mc, mi;
a9533e7e
HP
3513 osl_t *osh;
3514
3515 WL_TRACE(("wl%d: wlc_enable_mac: bandunit %d\n", wlc_hw->unit,
3516 wlc->band->bandunit));
3517
3518 /*
3519 * Track overlapping suspend requests
3520 */
3521 ASSERT(wlc_hw->mac_suspend_depth > 0);
3522 wlc_hw->mac_suspend_depth--;
3523 if (wlc_hw->mac_suspend_depth > 0)
3524 return;
3525
3526 osh = wlc_hw->osh;
3527
3528 mc = R_REG(osh, &regs->maccontrol);
3529 ASSERT(!(mc & MCTL_PSM_JMP_0));
3530 ASSERT(!(mc & MCTL_EN_MAC));
3531 ASSERT(mc & MCTL_PSM_RUN);
3532
3533 wlc_bmac_mctrl(wlc_hw, MCTL_EN_MAC, MCTL_EN_MAC);
3534 W_REG(osh, &regs->macintstatus, MI_MACSSPNDD);
3535
3536 mc = R_REG(osh, &regs->maccontrol);
3537 ASSERT(!(mc & MCTL_PSM_JMP_0));
3538 ASSERT(mc & MCTL_EN_MAC);
3539 ASSERT(mc & MCTL_PSM_RUN);
3540
3541 mi = R_REG(osh, &regs->macintstatus);
3542 ASSERT(!(mi & MI_MACSSPNDD));
3543
3544 wlc_ucode_wake_override_clear(wlc_hw, WLC_WAKE_OVERRIDE_MACSUSPEND);
3545}
3546
7cc4a4c0 3547void wlc_bmac_ifsctl_edcrs_set(wlc_hw_info_t *wlc_hw, bool abie, bool isht)
a9533e7e
HP
3548{
3549 if (!(WLCISNPHY(wlc_hw->band) && (D11REV_GE(wlc_hw->corerev, 16))))
3550 return;
3551
3552 if (isht) {
3553 if (WLCISNPHY(wlc_hw->band) && NREV_LT(wlc_hw->band->phyrev, 3)) {
3554 AND_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1,
3555 ~IFS_CTL1_EDCRS);
3556 }
3557 } else {
3558 /* enable EDCRS for non-11n association */
3559 OR_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1, IFS_CTL1_EDCRS);
3560 }
3561
3562 if (WLCISNPHY(wlc_hw->band) && NREV_GE(wlc_hw->band->phyrev, 3)) {
3563 if (CHSPEC_IS20(wlc_hw->chanspec)) {
3564 /* 20 mhz, use 20U ED only */
3565 OR_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1,
3566 IFS_CTL1_EDCRS);
3567 AND_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1,
3568 ~IFS_CTL1_EDCRS_20L);
3569 AND_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1,
3570 ~IFS_CTL1_EDCRS_40);
3571 } else {
3572 /* 40 mhz, use 20U 20L and 40 ED */
3573 OR_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1,
3574 IFS_CTL1_EDCRS);
3575 OR_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1,
3576 IFS_CTL1_EDCRS_20L);
3577 OR_REG(wlc_hw->osh, &wlc_hw->regs->ifs_ctl1,
3578 IFS_CTL1_EDCRS_40);
3579 }
3580 }
3581}
3582
7cc4a4c0 3583static void wlc_upd_ofdm_pctl1_table(wlc_hw_info_t *wlc_hw)
a9533e7e 3584{
41feb5ed
GKH
3585 u8 rate;
3586 u8 rates[8] = {
a9533e7e
HP
3587 WLC_RATE_6M, WLC_RATE_9M, WLC_RATE_12M, WLC_RATE_18M,
3588 WLC_RATE_24M, WLC_RATE_36M, WLC_RATE_48M, WLC_RATE_54M
3589 };
7d4df48e
GKH
3590 u16 entry_ptr;
3591 u16 pctl1;
a9533e7e
HP
3592 uint i;
3593
3594 if (!WLC_PHY_11N_CAP(wlc_hw->band))
3595 return;
3596
3597 /* walk the phy rate table and update the entries */
3598 for (i = 0; i < ARRAYSIZE(rates); i++) {
3599 rate = rates[i];
3600
3601 entry_ptr = wlc_bmac_ofdm_ratetable_offset(wlc_hw, rate);
3602
3603 /* read the SHM Rate Table entry OFDM PCTL1 values */
3604 pctl1 =
3605 wlc_bmac_read_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS);
3606
3607 /* modify the value */
3608 pctl1 &= ~PHY_TXC1_MODE_MASK;
3609 pctl1 |= (wlc_hw->hw_stf_ss_opmode << PHY_TXC1_MODE_SHIFT);
3610
3611 /* Update the SHM Rate Table entry OFDM PCTL1 values */
3612 wlc_bmac_write_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS,
3613 pctl1);
3614 }
3615}
3616
7d4df48e 3617static u16 wlc_bmac_ofdm_ratetable_offset(wlc_hw_info_t *wlc_hw, u8 rate)
a9533e7e
HP
3618{
3619 uint i;
41feb5ed 3620 u8 plcp_rate = 0;
a9533e7e 3621 struct plcp_signal_rate_lookup {
41feb5ed
GKH
3622 u8 rate;
3623 u8 signal_rate;
a9533e7e
HP
3624 };
3625 /* OFDM RATE sub-field of PLCP SIGNAL field, per 802.11 sec 17.3.4.1 */
3626 const struct plcp_signal_rate_lookup rate_lookup[] = {
3627 {WLC_RATE_6M, 0xB},
3628 {WLC_RATE_9M, 0xF},
3629 {WLC_RATE_12M, 0xA},
3630 {WLC_RATE_18M, 0xE},
3631 {WLC_RATE_24M, 0x9},
3632 {WLC_RATE_36M, 0xD},
3633 {WLC_RATE_48M, 0x8},
3634 {WLC_RATE_54M, 0xC}
3635 };
3636
3637 for (i = 0; i < ARRAYSIZE(rate_lookup); i++) {
3638 if (rate == rate_lookup[i].rate) {
3639 plcp_rate = rate_lookup[i].signal_rate;
3640 break;
3641 }
3642 }
3643
3644 /* Find the SHM pointer to the rate table entry by looking in the
3645 * Direct-map Table
3646 */
90ea2296 3647 return 2 * wlc_bmac_read_shm(wlc_hw, M_RT_DIRMAP_A + (plcp_rate * 2));
a9533e7e
HP
3648}
3649
41feb5ed 3650void wlc_bmac_band_stf_ss_set(wlc_hw_info_t *wlc_hw, u8 stf_mode)
a9533e7e
HP
3651{
3652 wlc_hw->hw_stf_ss_opmode = stf_mode;
3653
3654 if (wlc_hw->clk)
3655 wlc_upd_ofdm_pctl1_table(wlc_hw);
3656}
3657
3658void BCMFASTPATH
66cbd3ab
GKH
3659wlc_bmac_read_tsf(wlc_hw_info_t *wlc_hw, u32 *tsf_l_ptr,
3660 u32 *tsf_h_ptr)
a9533e7e
HP
3661{
3662 d11regs_t *regs = wlc_hw->regs;
3663
3664 /* read the tsf timer low, then high to get an atomic read */
3665 *tsf_l_ptr = R_REG(wlc_hw->osh, &regs->tsf_timerlow);
3666 *tsf_h_ptr = R_REG(wlc_hw->osh, &regs->tsf_timerhigh);
3667
3668 return;
3669}
3670
a2627bc0
JC
3671bool BCMATTACHFN(wlc_bmac_validate_chip_access) (wlc_hw_info_t *wlc_hw)
3672{
a9533e7e 3673 d11regs_t *regs;
66cbd3ab 3674 u32 w, val;
7d4df48e 3675 volatile u16 *reg16;
a9533e7e
HP
3676 osl_t *osh;
3677
3678 WL_TRACE(("wl%d: validate_chip_access\n", wlc_hw->unit));
3679
3680 regs = wlc_hw->regs;
3681 osh = wlc_hw->osh;
3682
3683 /* Validate dchip register access */
3684
3685 W_REG(osh, &regs->objaddr, OBJADDR_SHM_SEL | 0);
3686 (void)R_REG(osh, &regs->objaddr);
3687 w = R_REG(osh, &regs->objdata);
3688
3689 /* Can we write and read back a 32bit register? */
3690 W_REG(osh, &regs->objaddr, OBJADDR_SHM_SEL | 0);
3691 (void)R_REG(osh, &regs->objaddr);
66cbd3ab 3692 W_REG(osh, &regs->objdata, (u32) 0xaa5555aa);
a9533e7e
HP
3693
3694 W_REG(osh, &regs->objaddr, OBJADDR_SHM_SEL | 0);
3695 (void)R_REG(osh, &regs->objaddr);
3696 val = R_REG(osh, &regs->objdata);
66cbd3ab 3697 if (val != (u32) 0xaa5555aa) {
a9533e7e 3698 WL_ERROR(("wl%d: validate_chip_access: SHM = 0x%x, expected 0xaa5555aa\n", wlc_hw->unit, val));
90ea2296 3699 return FALSE;
a9533e7e
HP
3700 }
3701
3702 W_REG(osh, &regs->objaddr, OBJADDR_SHM_SEL | 0);
3703 (void)R_REG(osh, &regs->objaddr);
66cbd3ab 3704 W_REG(osh, &regs->objdata, (u32) 0x55aaaa55);
a9533e7e
HP
3705
3706 W_REG(osh, &regs->objaddr, OBJADDR_SHM_SEL | 0);
3707 (void)R_REG(osh, &regs->objaddr);
3708 val = R_REG(osh, &regs->objdata);
66cbd3ab 3709 if (val != (u32) 0x55aaaa55) {
a9533e7e 3710 WL_ERROR(("wl%d: validate_chip_access: SHM = 0x%x, expected 0x55aaaa55\n", wlc_hw->unit, val));
90ea2296 3711 return FALSE;
a9533e7e
HP
3712 }
3713
3714 W_REG(osh, &regs->objaddr, OBJADDR_SHM_SEL | 0);
3715 (void)R_REG(osh, &regs->objaddr);
3716 W_REG(osh, &regs->objdata, w);
3717
3718 if (D11REV_LT(wlc_hw->corerev, 11)) {
3719 /* if 32 bit writes are split into 16 bit writes, are they in the correct order
3720 * for our interface, low to high
3721 */
7d4df48e 3722 reg16 = (volatile u16 *)(uintptr) & regs->tsf_cfpstart;
a9533e7e
HP
3723
3724 /* write the CFPStart register low half explicitly, starting a buffered write */
3725 W_REG(osh, reg16, 0xAAAA);
3726
3727 /* Write a 32 bit value to CFPStart to test the 16 bit split order.
3728 * If the low 16 bits are written first, followed by the high 16 bits then the
3729 * 32 bit value 0xCCCCBBBB should end up in the register.
3730 * If the order is reversed, then the write to the high half will trigger a buffered
3731 * write of 0xCCCCAAAA.
3732 * If the bus is 32 bits, then this is not much of a test, and the reg should
3733 * have the correct value 0xCCCCBBBB.
3734 */
3735 W_REG(osh, &regs->tsf_cfpstart, 0xCCCCBBBB);
3736
3737 /* verify with the 16 bit registers that have no side effects */
3738 val = R_REG(osh, &regs->tsf_cfpstrt_l);
3739 if (val != (uint) 0xBBBB) {
3740 WL_ERROR(("wl%d: validate_chip_access: tsf_cfpstrt_l = 0x%x, expected" " 0x%x\n", wlc_hw->unit, val, 0xBBBB));
90ea2296 3741 return FALSE;
a9533e7e
HP
3742 }
3743 val = R_REG(osh, &regs->tsf_cfpstrt_h);
3744 if (val != (uint) 0xCCCC) {
3745 WL_ERROR(("wl%d: validate_chip_access: tsf_cfpstrt_h = 0x%x, expected" " 0x%x\n", wlc_hw->unit, val, 0xCCCC));
90ea2296 3746 return FALSE;
a9533e7e
HP
3747 }
3748
3749 }
3750
3751 /* clear CFPStart */
3752 W_REG(osh, &regs->tsf_cfpstart, 0);
3753
3754 w = R_REG(osh, &regs->maccontrol);
3755 if ((w != (MCTL_IHR_EN | MCTL_WAKE)) &&
3756 (w != (MCTL_IHR_EN | MCTL_GMODE | MCTL_WAKE))) {
3757 WL_ERROR(("wl%d: validate_chip_access: maccontrol = 0x%x, expected 0x%x or 0x%x\n", wlc_hw->unit, w, (MCTL_IHR_EN | MCTL_WAKE), (MCTL_IHR_EN | MCTL_GMODE | MCTL_WAKE)));
90ea2296 3758 return FALSE;
a9533e7e
HP
3759 }
3760
90ea2296 3761 return TRUE;
a9533e7e
HP
3762}
3763
3764#define PHYPLL_WAIT_US 100000
3765
7cc4a4c0 3766void wlc_bmac_core_phypll_ctl(wlc_hw_info_t *wlc_hw, bool on)
a9533e7e
HP
3767{
3768 d11regs_t *regs;
3769 osl_t *osh;
66cbd3ab 3770 u32 tmp;
a9533e7e
HP
3771
3772 WL_TRACE(("wl%d: wlc_bmac_core_phypll_ctl\n", wlc_hw->unit));
3773
3774 tmp = 0;
3775 regs = wlc_hw->regs;
3776 osh = wlc_hw->osh;
3777
3778 if (D11REV_LE(wlc_hw->corerev, 16) || D11REV_IS(wlc_hw->corerev, 20))
3779 return;
3780
3781 if (on) {
3782 if ((wlc_hw->sih->chip == BCM4313_CHIP_ID)) {
3783 OR_REG(osh, &regs->clk_ctl_st,
3784 (CCS_ERSRC_REQ_HT | CCS_ERSRC_REQ_D11PLL |
3785 CCS_ERSRC_REQ_PHYPLL));
3786 SPINWAIT((R_REG(osh, &regs->clk_ctl_st) &
3787 (CCS_ERSRC_AVAIL_HT)) != (CCS_ERSRC_AVAIL_HT),
3788 PHYPLL_WAIT_US);
3789
3790 tmp = R_REG(osh, &regs->clk_ctl_st);
3791 if ((tmp & (CCS_ERSRC_AVAIL_HT)) !=
3792 (CCS_ERSRC_AVAIL_HT)) {
3793 WL_ERROR(("%s: turn on PHY PLL failed\n",
3794 __func__));
3795 ASSERT(0);
3796 }
3797 } else {
3798 OR_REG(osh, &regs->clk_ctl_st,
3799 (CCS_ERSRC_REQ_D11PLL | CCS_ERSRC_REQ_PHYPLL));
3800 SPINWAIT((R_REG(osh, &regs->clk_ctl_st) &
3801 (CCS_ERSRC_AVAIL_D11PLL |
3802 CCS_ERSRC_AVAIL_PHYPLL)) !=
3803 (CCS_ERSRC_AVAIL_D11PLL |
3804 CCS_ERSRC_AVAIL_PHYPLL), PHYPLL_WAIT_US);
3805
3806 tmp = R_REG(osh, &regs->clk_ctl_st);
3807 if ((tmp &
3808 (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL))
3809 !=
3810 (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL)) {
3811 WL_ERROR(("%s: turn on PHY PLL failed\n",
3812 __func__));
3813 ASSERT(0);
3814 }
3815 }
3816 } else {
3817 /* Since the PLL may be shared, other cores can still be requesting it;
3818 * so we'll deassert the request but not wait for status to comply.
3819 */
3820 AND_REG(osh, &regs->clk_ctl_st, ~CCS_ERSRC_REQ_PHYPLL);
3821 tmp = R_REG(osh, &regs->clk_ctl_st);
3822 }
3823}
3824
7cc4a4c0 3825void wlc_coredisable(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
3826{
3827 bool dev_gone;
3828
3829 WL_TRACE(("wl%d: %s\n", wlc_hw->unit, __func__));
3830
3831 ASSERT(!wlc_hw->up);
3832
3833 dev_gone = DEVICEREMOVED(wlc_hw->wlc);
3834
3835 if (dev_gone)
3836 return;
3837
3838 if (wlc_hw->noreset)
3839 return;
3840
3841 /* radio off */
3842 wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
3843
3844 /* turn off analog core */
3845 wlc_phy_anacore(wlc_hw->band->pi, OFF);
3846
3847 /* turn off PHYPLL to save power */
3848 wlc_bmac_core_phypll_ctl(wlc_hw, FALSE);
3849
3850 /* No need to set wlc->pub->radio_active = OFF
3851 * because this function needs down capability and
3852 * radio_active is designed for BCMNODOWN.
3853 */
3854
3855 /* remove gpio controls */
3856 if (wlc_hw->ucode_dbgsel)
3857 si_gpiocontrol(wlc_hw->sih, ~0, 0, GPIO_DRV_PRIORITY);
3858
3859 wlc_hw->clk = FALSE;
3860 si_core_disable(wlc_hw->sih, 0);
3861 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, FALSE);
3862}
3863
3864/* power both the pll and external oscillator on/off */
7cc4a4c0 3865void wlc_bmac_xtal(wlc_hw_info_t *wlc_hw, bool want)
a9533e7e
HP
3866{
3867 WL_TRACE(("wl%d: wlc_bmac_xtal: want %d\n", wlc_hw->unit, want));
3868
3869 /* dont power down if plldown is false or we must poll hw radio disable */
3870 if (!want && wlc_hw->pllreq)
3871 return;
3872
3873 if (wlc_hw->sih)
3874 si_clkctl_xtal(wlc_hw->sih, XTAL | PLL, want);
3875
3876 wlc_hw->sbclk = want;
3877 if (!wlc_hw->sbclk) {
3878 wlc_hw->clk = FALSE;
3879 if (wlc_hw->band && wlc_hw->band->pi)
3880 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, FALSE);
3881 }
3882}
3883
7cc4a4c0 3884static void wlc_flushqueues(wlc_info_t *wlc)
a9533e7e
HP
3885{
3886 wlc_hw_info_t *wlc_hw = wlc->hw;
3887 uint i;
3888
3889 wlc->txpend16165war = 0;
3890
3891 /* free any posted tx packets */
3892 for (i = 0; i < NFIFO; i++)
3893 if (wlc_hw->di[i]) {
3894 dma_txreclaim(wlc_hw->di[i], HNDDMA_RANGE_ALL);
3895 TXPKTPENDCLR(wlc, i);
3896 WL_TRACE(("wlc_flushqueues: pktpend fifo %d cleared\n",
3897 i));
3898 }
3899
3900 /* free any posted rx packets */
3901 dma_rxreclaim(wlc_hw->di[RX_FIFO]);
3902 if (D11REV_IS(wlc_hw->corerev, 4))
3903 dma_rxreclaim(wlc_hw->di[RX_TXSTATUS_FIFO]);
3904}
3905
7d4df48e 3906u16 wlc_bmac_read_shm(wlc_hw_info_t *wlc_hw, uint offset)
a9533e7e
HP
3907{
3908 return wlc_bmac_read_objmem(wlc_hw, offset, OBJADDR_SHM_SEL);
3909}
3910
7d4df48e 3911void wlc_bmac_write_shm(wlc_hw_info_t *wlc_hw, uint offset, u16 v)
a9533e7e
HP
3912{
3913 wlc_bmac_write_objmem(wlc_hw, offset, v, OBJADDR_SHM_SEL);
3914}
3915
3916/* Set a range of shared memory to a value.
3917 * SHM 'offset' needs to be an even address and
3918 * Buffer length 'len' must be an even number of bytes
3919 */
7d4df48e 3920void wlc_bmac_set_shm(wlc_hw_info_t *wlc_hw, uint offset, u16 v, int len)
a9533e7e
HP
3921{
3922 int i;
3923
3924 /* offset and len need to be even */
3925 ASSERT((offset & 1) == 0);
3926 ASSERT((len & 1) == 0);
3927
3928 if (len <= 0)
3929 return;
3930
3931 for (i = 0; i < len; i += 2) {
3932 wlc_bmac_write_objmem(wlc_hw, offset + i, v, OBJADDR_SHM_SEL);
3933 }
3934}
3935
7d4df48e 3936static u16
66cbd3ab 3937wlc_bmac_read_objmem(wlc_hw_info_t *wlc_hw, uint offset, u32 sel)
a9533e7e
HP
3938{
3939 d11regs_t *regs = wlc_hw->regs;
7d4df48e
GKH
3940 volatile u16 *objdata_lo =
3941 (volatile u16 *)(uintptr) & regs->objdata;
3942 volatile u16 *objdata_hi = objdata_lo + 1;
3943 u16 v;
a9533e7e
HP
3944
3945 ASSERT((offset & 1) == 0);
3946
3947 W_REG(wlc_hw->osh, &regs->objaddr, sel | (offset >> 2));
3948 (void)R_REG(wlc_hw->osh, &regs->objaddr);
3949 if (offset & 2) {
3950 v = R_REG(wlc_hw->osh, objdata_hi);
3951 } else {
3952 v = R_REG(wlc_hw->osh, objdata_lo);
3953 }
3954
3955 return v;
3956}
3957
3958static void
66cbd3ab 3959wlc_bmac_write_objmem(wlc_hw_info_t *wlc_hw, uint offset, u16 v, u32 sel)
a9533e7e
HP
3960{
3961 d11regs_t *regs = wlc_hw->regs;
7d4df48e
GKH
3962 volatile u16 *objdata_lo =
3963 (volatile u16 *)(uintptr) & regs->objdata;
3964 volatile u16 *objdata_hi = objdata_lo + 1;
a9533e7e
HP
3965
3966 ASSERT((offset & 1) == 0);
3967
3968 W_REG(wlc_hw->osh, &regs->objaddr, sel | (offset >> 2));
3969 (void)R_REG(wlc_hw->osh, &regs->objaddr);
3970 if (offset & 2) {
3971 W_REG(wlc_hw->osh, objdata_hi, v);
3972 } else {
3973 W_REG(wlc_hw->osh, objdata_lo, v);
3974 }
3975}
3976
3977/* Copy a buffer to shared memory of specified type .
3978 * SHM 'offset' needs to be an even address and
3979 * Buffer length 'len' must be an even number of bytes
3980 * 'sel' selects the type of memory
3981 */
3982void
7cc4a4c0 3983wlc_bmac_copyto_objmem(wlc_hw_info_t *wlc_hw, uint offset, const void *buf,
66cbd3ab 3984 int len, u32 sel)
a9533e7e 3985{
7d4df48e 3986 u16 v;
41feb5ed 3987 const u8 *p = (const u8 *)buf;
a9533e7e
HP
3988 int i;
3989
3990 /* offset and len need to be even */
3991 ASSERT((offset & 1) == 0);
3992 ASSERT((len & 1) == 0);
3993
3994 if (len <= 0)
3995 return;
3996
3997 for (i = 0; i < len; i += 2) {
3998 v = p[i] | (p[i + 1] << 8);
3999 wlc_bmac_write_objmem(wlc_hw, offset + i, v, sel);
4000 }
4001}
4002
4003/* Copy a piece of shared memory of specified type to a buffer .
4004 * SHM 'offset' needs to be an even address and
4005 * Buffer length 'len' must be an even number of bytes
4006 * 'sel' selects the type of memory
4007 */
4008void
7cc4a4c0 4009wlc_bmac_copyfrom_objmem(wlc_hw_info_t *wlc_hw, uint offset, void *buf,
66cbd3ab 4010 int len, u32 sel)
a9533e7e 4011{
7d4df48e 4012 u16 v;
41feb5ed 4013 u8 *p = (u8 *) buf;
a9533e7e
HP
4014 int i;
4015
4016 /* offset and len need to be even */
4017 ASSERT((offset & 1) == 0);
4018 ASSERT((len & 1) == 0);
4019
4020 if (len <= 0)
4021 return;
4022
4023 for (i = 0; i < len; i += 2) {
4024 v = wlc_bmac_read_objmem(wlc_hw, offset + i, sel);
4025 p[i] = v & 0xFF;
4026 p[i + 1] = (v >> 8) & 0xFF;
4027 }
4028}
4029
7cc4a4c0 4030void wlc_bmac_copyfrom_vars(wlc_hw_info_t *wlc_hw, char **buf, uint *len)
a9533e7e
HP
4031{
4032 WL_TRACE(("wlc_bmac_copyfrom_vars, nvram vars totlen=%d\n",
4033 wlc_hw->vars_size));
4034
4035 *buf = wlc_hw->vars;
4036 *len = wlc_hw->vars_size;
4037}
4038
7d4df48e 4039void wlc_bmac_retrylimit_upd(wlc_hw_info_t *wlc_hw, u16 SRL, u16 LRL)
a9533e7e
HP
4040{
4041 wlc_hw->SRL = SRL;
4042 wlc_hw->LRL = LRL;
4043
4044 /* write retry limit to SCR, shouldn't need to suspend */
4045 if (wlc_hw->up) {
4046 W_REG(wlc_hw->osh, &wlc_hw->regs->objaddr,
4047 OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
4048 (void)R_REG(wlc_hw->osh, &wlc_hw->regs->objaddr);
4049 W_REG(wlc_hw->osh, &wlc_hw->regs->objdata, wlc_hw->SRL);
4050 W_REG(wlc_hw->osh, &wlc_hw->regs->objaddr,
4051 OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
4052 (void)R_REG(wlc_hw->osh, &wlc_hw->regs->objaddr);
4053 W_REG(wlc_hw->osh, &wlc_hw->regs->objdata, wlc_hw->LRL);
4054 }
4055}
4056
7cc4a4c0 4057void wlc_bmac_set_noreset(wlc_hw_info_t *wlc_hw, bool noreset_flag)
a9533e7e
HP
4058{
4059 wlc_hw->noreset = noreset_flag;
4060}
4061
7cc4a4c0 4062void wlc_bmac_set_ucode_loaded(wlc_hw_info_t *wlc_hw, bool ucode_loaded)
a9533e7e
HP
4063{
4064 wlc_hw->ucode_loaded = ucode_loaded;
4065}
4066
7cc4a4c0 4067void wlc_bmac_pllreq(wlc_hw_info_t *wlc_hw, bool set, mbool req_bit)
a9533e7e
HP
4068{
4069 ASSERT(req_bit);
4070
4071 if (set) {
4072 if (mboolisset(wlc_hw->pllreq, req_bit))
4073 return;
4074
4075 mboolset(wlc_hw->pllreq, req_bit);
4076
4077 if (mboolisset(wlc_hw->pllreq, WLC_PLLREQ_FLIP)) {
4078 if (!wlc_hw->sbclk) {
4079 wlc_bmac_xtal(wlc_hw, ON);
4080 }
4081 }
4082 } else {
4083 if (!mboolisset(wlc_hw->pllreq, req_bit))
4084 return;
4085
4086 mboolclr(wlc_hw->pllreq, req_bit);
4087
4088 if (mboolisset(wlc_hw->pllreq, WLC_PLLREQ_FLIP)) {
4089 if (wlc_hw->sbclk) {
4090 wlc_bmac_xtal(wlc_hw, OFF);
4091 }
4092 }
4093 }
4094
4095 return;
4096}
4097
7cc4a4c0 4098void wlc_bmac_set_clk(wlc_hw_info_t *wlc_hw, bool on)
a9533e7e
HP
4099{
4100 if (on) {
4101 /* power up pll and oscillator */
4102 wlc_bmac_xtal(wlc_hw, ON);
4103
4104 /* enable core(s), ignore bandlocked
4105 * Leave with the same band selected as we entered
4106 */
4107 wlc_bmac_corereset(wlc_hw, WLC_USE_COREFLAGS);
4108 } else {
4109 /* if already down, must skip the core disable */
4110 if (wlc_hw->clk) {
4111 /* disable core(s), ignore bandlocked */
4112 wlc_coredisable(wlc_hw);
4113 }
4114 /* power down pll and oscillator */
4115 wlc_bmac_xtal(wlc_hw, OFF);
4116 }
4117}
4118
4119/* this will be true for all ai chips */
7cc4a4c0 4120bool wlc_bmac_taclear(wlc_hw_info_t *wlc_hw, bool ta_ok)
a9533e7e
HP
4121{
4122 return TRUE;
4123}
4124
4125/* Lower down relevant GPIOs like LED when going down w/o
4126 * doing PCI config cycles or touching interrupts
4127 */
7cc4a4c0 4128void wlc_gpio_fast_deinit(wlc_hw_info_t *wlc_hw)
a9533e7e
HP
4129{
4130 if ((wlc_hw == NULL) || (wlc_hw->sih == NULL))
4131 return;
4132
4133 /* Only chips with internal bus or PCIE cores or certain PCI cores
4134 * are able to switch cores w/o disabling interrupts
4135 */
4136 if (!((BUSTYPE(wlc_hw->sih->bustype) == SI_BUS) ||
4137 ((BUSTYPE(wlc_hw->sih->bustype) == PCI_BUS) &&
4138 ((wlc_hw->sih->buscoretype == PCIE_CORE_ID) ||
4139 (wlc_hw->sih->buscorerev >= 13)))))
4140 return;
4141
4142 WL_TRACE(("wl%d: %s\n", wlc_hw->unit, __func__));
4143 return;
4144}
4145
7cc4a4c0 4146bool wlc_bmac_radio_hw(wlc_hw_info_t *wlc_hw, bool enable)
a9533e7e
HP
4147{
4148 /* Do not access Phy registers if core is not up */
4149 if (si_iscoreup(wlc_hw->sih) == FALSE)
4150 return FALSE;
4151
4152 if (enable) {
4153 if (PMUCTL_ENAB(wlc_hw->sih)) {
4154 AND_REG(wlc_hw->osh, &wlc_hw->regs->clk_ctl_st,
4155 ~CCS_FORCEHWREQOFF);
4156 si_pmu_radio_enable(wlc_hw->sih, TRUE);
4157 }
4158
4159 wlc_phy_anacore(wlc_hw->band->pi, ON);
4160 wlc_phy_switch_radio(wlc_hw->band->pi, ON);
4161
4162 /* resume d11 core */
4163 wlc_enable_mac(wlc_hw->wlc);
4164 } else {
4165 /* suspend d11 core */
4166 wlc_suspend_mac_and_wait(wlc_hw->wlc);
4167
4168 wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
4169 wlc_phy_anacore(wlc_hw->band->pi, OFF);
4170
4171 if (PMUCTL_ENAB(wlc_hw->sih)) {
4172 si_pmu_radio_enable(wlc_hw->sih, FALSE);
4173 OR_REG(wlc_hw->osh, &wlc_hw->regs->clk_ctl_st,
4174 CCS_FORCEHWREQOFF);
4175 }
4176 }
4177
4178 return TRUE;
4179}
4180
7d4df48e 4181u16 wlc_bmac_rate_shm_offset(wlc_hw_info_t *wlc_hw, u8 rate)
a9533e7e 4182{
7d4df48e 4183 u16 table_ptr;
41feb5ed 4184 u8 phy_rate, index;
a9533e7e
HP
4185
4186 /* get the phy specific rate encoding for the PLCP SIGNAL field */
4187 /* XXX4321 fixup needed ? */
4188 if (IS_OFDM(rate))
4189 table_ptr = M_RT_DIRMAP_A;
4190 else
4191 table_ptr = M_RT_DIRMAP_B;
4192
4193 /* for a given rate, the LS-nibble of the PLCP SIGNAL field is
4194 * the index into the rate table.
4195 */
4196 phy_rate = rate_info[rate] & RATE_MASK;
4197 index = phy_rate & 0xf;
4198
4199 /* Find the SHM pointer to the rate table entry by looking in the
4200 * Direct-map Table
4201 */
90ea2296 4202 return 2 * wlc_bmac_read_shm(wlc_hw, table_ptr + (index * 2));
a9533e7e
HP
4203}
4204
41feb5ed 4205void wlc_bmac_set_txpwr_percent(wlc_hw_info_t *wlc_hw, u8 val)
a9533e7e
HP
4206{
4207 wlc_phy_txpwr_percent_set(wlc_hw->band->pi, val);
4208}
4209
66cbd3ab 4210void wlc_bmac_antsel_set(wlc_hw_info_t *wlc_hw, u32 antsel_avail)
a9533e7e
HP
4211{
4212 wlc_hw->antsel_avail = antsel_avail;
4213}
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