/* local prototypes */
static void brcms_b_clkctl_clk(struct brcms_hardware *wlc, uint mode);
-static void brcms_b_coreinit(struct brcms_c_info *wlc);
/* used by wlc_wakeucode_init() */
static void brcms_c_write_inits(struct brcms_hardware *wlc_hw,
static void brcms_ucode_download(struct brcms_hardware *wlc);
static void brcms_c_ucode_txant_set(struct brcms_hardware *wlc_hw);
-/* used by brcms_c_dpc() */
-static bool brcms_b_dotxstatus(struct brcms_hardware *wlc,
- struct tx_status *txs, u32 s2);
-static bool brcms_b_txstatus(struct brcms_hardware *wlc, bool bound,
- bool *fatal);
-static bool brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound);
-
/* used by brcms_c_down() */
static void brcms_c_flushqueues(struct brcms_c_info *wlc);
static void brcms_b_corerev_fifofixup(struct brcms_hardware *wlc_hw);
static bool brcms_b_tx_fifo_suspended(struct brcms_hardware *wlc_hw,
uint tx_fifo);
-static void brcms_b_tx_fifo_suspend(struct brcms_hardware *wlc_hw,
- uint tx_fifo);
static void brcms_b_tx_fifo_resume(struct brcms_hardware *wlc_hw,
uint tx_fifo);
struct brcms_b_state;
-extern int brcms_b_attach(struct brcms_c_info *wlc, u16 vendor, u16 device,
+static int brcms_b_attach(struct brcms_c_info *wlc, u16 vendor, u16 device,
uint unit, bool piomode, void *regsva, uint bustype,
void *btparam);
-extern int brcms_b_detach(struct brcms_c_info *wlc);
-extern void brcms_b_watchdog(void *arg);
/* up/down, reset, clk */
-extern void brcms_b_reset(struct brcms_hardware *wlc_hw);
-extern void brcms_b_init(struct brcms_hardware *wlc_hw, chanspec_t chanspec,
- bool mute);
-extern int brcms_b_up_prep(struct brcms_hardware *wlc_hw);
-extern int brcms_b_up_finish(struct brcms_hardware *wlc_hw);
-extern int brcms_b_bmac_down_prep(struct brcms_hardware *wlc_hw);
-extern int brcms_b_down_finish(struct brcms_hardware *wlc_hw);
-
-extern int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
- uint *blocks);
-extern u16 brcms_b_mhf_get(struct brcms_hardware *wlc_hw, u8 idx, int bands);
-extern int brcms_b_state_get(struct brcms_hardware *wlc_hw,
+static void brcms_b_reset(struct brcms_hardware *wlc_hw);
+static int brcms_b_state_get(struct brcms_hardware *wlc_hw,
struct brcms_b_state *state);
-extern void brcms_b_copyfrom_vars(struct brcms_hardware *wlc_hw, char **buf,
+static void brcms_b_copyfrom_vars(struct brcms_hardware *wlc_hw, char **buf,
uint *len);
-extern void brcms_b_hw_etheraddr(struct brcms_hardware *wlc_hw,
+static void brcms_b_hw_etheraddr(struct brcms_hardware *wlc_hw,
u8 *ea);
-extern bool brcms_b_radio_read_hwdisabled(struct brcms_hardware *wlc_hw);
-extern void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw,
- bool shortslot);
+static bool brcms_b_radio_read_hwdisabled(struct brcms_hardware *wlc_hw);
+static void brcms_b_wait_for_wake(struct brcms_hardware *wlc_hw);
-extern void brcms_b_wait_for_wake(struct brcms_hardware *wlc_hw);
-
-extern void brcms_b_set_addrmatch(struct brcms_hardware *wlc_hw,
+static void brcms_b_set_addrmatch(struct brcms_hardware *wlc_hw,
int match_reg_offset,
const u8 *addr);
-extern void brcms_b_write_hw_bcntemplates(struct brcms_hardware *wlc_hw,
- void *bcn, int len, bool both);
-
-extern void brcms_b_read_tsf(struct brcms_hardware *wlc_hw, u32 *tsf_l_ptr,
- u32 *tsf_h_ptr);
-extern void brcms_b_set_cwmin(struct brcms_hardware *wlc_hw, u16 newmin);
-extern void brcms_b_set_cwmax(struct brcms_hardware *wlc_hw, u16 newmax);
+static void brcms_b_set_cwmin(struct brcms_hardware *wlc_hw, u16 newmin);
+static void brcms_b_set_cwmax(struct brcms_hardware *wlc_hw, u16 newmax);
-extern void brcms_b_retrylimit_upd(struct brcms_hardware *wlc_hw, u16 SRL,
+static void brcms_b_retrylimit_upd(struct brcms_hardware *wlc_hw, u16 SRL,
u16 LRL);
-extern void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw);
+static void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw);
-
-/* API for BMAC driver (e.g. wlc_phy.c etc) */
-
-extern void brcms_b_pllreq(struct brcms_hardware *wlc_hw, bool set,
+static void brcms_b_pllreq(struct brcms_hardware *wlc_hw, bool set,
mbool req_bit);
-extern void brcms_b_hw_up(struct brcms_hardware *wlc_hw);
-extern void brcms_b_antsel_set(struct brcms_hardware *wlc_hw,
+static void brcms_b_antsel_set(struct brcms_hardware *wlc_hw,
u32 antsel_avail);
-
-
-
-
static int brcms_b_bandtype(struct brcms_hardware *wlc_hw);
static void brcms_b_info_init(struct brcms_hardware *wlc_hw);
static void brcms_b_xtal(struct brcms_hardware *wlc_hw, bool want);
static struct brcms_c_info *wlc_info_dbg = (struct brcms_c_info *) (NULL);
#endif
-/* === Low Level functions === */
-
-void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw, bool shortslot)
-{
- wlc_hw->shortslot = shortslot;
-
- if (BAND_2G(brcms_b_bandtype(wlc_hw)) && wlc_hw->up) {
- brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
- brcms_b_update_slot_timing(wlc_hw, shortslot);
- brcms_c_enable_mac(wlc_hw->wlc);
- }
-}
-
/*
* Update the slot timing for standard 11b/g (20us slots)
* or shortslot 11g (9us slots)
return n >= bound_limit;
}
+static bool
+brcms_b_dotxstatus(struct brcms_hardware *wlc_hw, struct tx_status *txs,
+ u32 s2)
+{
+ /* discard intermediate indications for ucode with one legitimate case:
+ * e.g. if "useRTS" is set. ucode did a successful rts/cts exchange, but the subsequent
+ * tx of DATA failed. so it will start rts/cts from the beginning (resetting the rts
+ * transmission count)
+ */
+ if (!(txs->status & TX_STATUS_AMPDU)
+ && (txs->status & TX_STATUS_INTERMEDIATE)) {
+ return false;
+ }
+
+ return brcms_c_dotxstatus(wlc_hw->wlc, txs, s2);
+}
+
+/* process tx completion events in BMAC
+ * Return true if more tx status need to be processed. false otherwise.
+ */
+static bool
+brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
+{
+ bool morepending = false;
+ struct brcms_c_info *wlc = wlc_hw->wlc;
+ d11regs_t *regs;
+ struct tx_status txstatus, *txs;
+ u32 s1, s2;
+ uint n = 0;
+ /*
+ * Param 'max_tx_num' indicates max. # tx status to process before
+ * break out.
+ */
+ uint max_tx_num = bound ? wlc->pub->tunables->txsbnd : -1;
+
+ BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ txs = &txstatus;
+ regs = wlc_hw->regs;
+ while (!(*fatal)
+ && (s1 = R_REG(®s->frmtxstatus)) & TXS_V) {
+
+ if (s1 == 0xffffffff) {
+ wiphy_err(wlc->wiphy, "wl%d: %s: dead chip\n",
+ wlc_hw->unit, __func__);
+ return morepending;
+ }
+
+ s2 = R_REG(®s->frmtxstatus2);
+
+ txs->status = s1 & TXS_STATUS_MASK;
+ txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT;
+ txs->sequence = s2 & TXS_SEQ_MASK;
+ txs->phyerr = (s2 & TXS_PTX_MASK) >> TXS_PTX_SHIFT;
+ txs->lasttxtime = 0;
+
+ *fatal = brcms_b_dotxstatus(wlc_hw, txs, s2);
+
+ /* !give others some time to run! */
+ if (++n >= max_tx_num)
+ break;
+ }
+
+ if (*fatal)
+ return 0;
+
+ if (n >= max_tx_num)
+ morepending = true;
+
+ if (!pktq_empty(&wlc->pkt_queue->q))
+ brcms_c_send_q(wlc);
+
+ return morepending;
+}
+
/* second-level interrupt processing
* Return true if another dpc needs to be re-scheduled. false otherwise.
* Param 'bounded' indicates if applicable loops should be bounded.
return wlc->macintstatus != 0;
}
-/* common low-level watchdog code */
-void brcms_b_watchdog(void *arg)
-{
- struct brcms_c_info *wlc = (struct brcms_c_info *) arg;
- struct brcms_hardware *wlc_hw = wlc->hw;
-
- BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- if (!wlc_hw->up)
- return;
-
- /* increment second count */
- wlc_hw->now++;
-
- /* Check for FIFO error interrupts */
- brcms_b_fifoerrors(wlc_hw);
-
- /* make sure RX dma has buffers */
- dma_rxfill(wlc->hw->di[RX_FIFO]);
-
- wlc_phy_watchdog(wlc_hw->band->pi);
-}
-
-void
-brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, chanspec_t chanspec,
- bool mute, struct txpwr_limits *txpwr)
-{
- uint bandunit;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d: 0x%x\n", wlc_hw->unit, chanspec);
-
- wlc_hw->chanspec = chanspec;
-
- /* Switch bands if necessary */
- if (NBANDS_HW(wlc_hw) > 1) {
- bandunit = CHSPEC_BANDUNIT(chanspec);
- if (wlc_hw->band->bandunit != bandunit) {
- /* brcms_b_setband disables other bandunit,
- * use light band switch if not up yet
- */
- if (wlc_hw->up) {
- wlc_phy_chanspec_radio_set(wlc_hw->
- bandstate[bandunit]->
- pi, chanspec);
- brcms_b_setband(wlc_hw, bandunit, chanspec);
- } else {
- brcms_c_setxband(wlc_hw, bandunit);
- }
- }
- }
-
- wlc_phy_initcal_enable(wlc_hw->band->pi, !mute);
-
- if (!wlc_hw->up) {
- if (wlc_hw->clk)
- wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr,
- chanspec);
- wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
- } else {
- wlc_phy_chanspec_set(wlc_hw->band->pi, chanspec);
- wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr, chanspec);
-
- /* Update muting of the channel */
- brcms_b_mute(wlc_hw, mute, 0);
- }
-}
-
int brcms_b_state_get(struct brcms_hardware *wlc_hw,
struct brcms_b_state *state)
{
}
}
-/* low level attach
- * run backplane attach, init nvram
- * run phy attach
- * initialize software state for each core and band
- * put the whole chip in reset(driver down state), no clock
+/*
+ * Initialize brcms_c_info default values ...
+ * may get overrides later in this function
+ * BMAC_NOTES, move low out and resolve the dangling ones
*/
-int brcms_b_attach(struct brcms_c_info *wlc, u16 vendor, u16 device, uint unit,
- bool piomode, void *regsva, uint bustype, void *btparam)
+static void brcms_b_info_init(struct brcms_hardware *wlc_hw)
{
- struct brcms_hardware *wlc_hw;
- d11regs_t *regs;
- char *macaddr = NULL;
- char *vars;
- uint err = 0;
- uint j;
- bool wme = false;
- struct shared_phy_params sha_params;
- struct wiphy *wiphy = wlc->wiphy;
-
- BCMMSG(wlc->wiphy, "wl%d: vendor 0x%x device 0x%x\n", unit, vendor,
- device);
+ struct brcms_c_info *wlc = wlc_hw->wlc;
- wme = true;
+ /* set default sw macintmask value */
+ wlc->defmacintmask = DEF_MACINTMASK;
- wlc_hw = wlc->hw;
- wlc_hw->wlc = wlc;
- wlc_hw->unit = unit;
- wlc_hw->band = wlc_hw->bandstate[0];
- wlc_hw->_piomode = piomode;
+ /* various 802.11g modes */
+ wlc_hw->shortslot = false;
- /* populate struct brcms_hardware with default values */
- brcms_b_info_init(wlc_hw);
+ wlc_hw->SFBL = RETRY_SHORT_FB;
+ wlc_hw->LFBL = RETRY_LONG_FB;
- /*
- * Do the hardware portion of the attach.
- * Also initialize software state that depends on the particular hardware
- * we are running.
- */
- wlc_hw->sih = ai_attach(regsva, bustype, btparam,
- &wlc_hw->vars, &wlc_hw->vars_size);
- if (wlc_hw->sih == NULL) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: si_attach failed\n",
- unit);
- err = 11;
- goto fail;
- }
- vars = wlc_hw->vars;
+ /* default mac retry limits */
+ wlc_hw->SRL = RETRY_SHORT_DEF;
+ wlc_hw->LRL = RETRY_LONG_DEF;
+ wlc_hw->chanspec = CH20MHZ_CHSPEC(1);
+}
- /*
- * Get vendid/devid nvram overwrites, which could be different
- * than those the BIOS recognizes for devices on PCMCIA_BUS,
- * SDIO_BUS, and SROMless devices on PCI_BUS.
- */
-#ifdef BCMBUSTYPE
- bustype = BCMBUSTYPE;
-#endif
- if (bustype != SI_BUS) {
- char *var;
+void brcms_b_wait_for_wake(struct brcms_hardware *wlc_hw)
+{
+ /* delay before first read of ucode state */
+ udelay(40);
- var = getvar(vars, "vendid");
- if (var) {
- vendor = (u16) simple_strtoul(var, NULL, 0);
- wiphy_err(wiphy, "Overriding vendor id = 0x%x\n",
- vendor);
- }
- var = getvar(vars, "devid");
- if (var) {
- u16 devid = (u16) simple_strtoul(var, NULL, 0);
- if (devid != 0xffff) {
- device = devid;
- wiphy_err(wiphy, "Overriding device id = 0x%x"
- "\n", device);
- }
- }
-
- /* verify again the device is supported */
- if (!brcms_c_chipmatch(vendor, device)) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: Unsupported "
- "vendor/device (0x%x/0x%x)\n",
- unit, vendor, device);
- err = 12;
- goto fail;
- }
- }
-
- wlc_hw->vendorid = vendor;
- wlc_hw->deviceid = device;
-
- /* set bar0 window to point at D11 core */
- wlc_hw->regs = (d11regs_t *) ai_setcore(wlc_hw->sih, D11_CORE_ID, 0);
- wlc_hw->corerev = ai_corerev(wlc_hw->sih);
-
- regs = wlc_hw->regs;
-
- wlc->regs = wlc_hw->regs;
-
- /* validate chip, chiprev and corerev */
- if (!brcms_c_isgoodchip(wlc_hw)) {
- err = 13;
- goto fail;
- }
-
- /* initialize power control registers */
- ai_clkctl_init(wlc_hw->sih);
-
- /* request fastclock and force fastclock for the rest of attach
- * bring the d11 core out of reset.
- * For PMU chips, the first wlc_clkctl_clk is no-op since core-clk is still false;
- * But it will be called again inside wlc_corereset, after d11 is out of reset.
- */
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
- brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
-
- if (!brcms_b_validate_chip_access(wlc_hw)) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: validate_chip_access "
- "failed\n", unit);
- err = 14;
- goto fail;
- }
-
- /* get the board rev, used just below */
- j = getintvar(vars, "boardrev");
- /* promote srom boardrev of 0xFF to 1 */
- if (j == BOARDREV_PROMOTABLE)
- j = BOARDREV_PROMOTED;
- wlc_hw->boardrev = (u16) j;
- if (!brcms_c_validboardtype(wlc_hw)) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: Unsupported Broadcom "
- "board type (0x%x)" " or revision level (0x%x)\n",
- unit, wlc_hw->sih->boardtype, wlc_hw->boardrev);
- err = 15;
- goto fail;
- }
- wlc_hw->sromrev = (u8) getintvar(vars, "sromrev");
- wlc_hw->boardflags = (u32) getintvar(vars, "boardflags");
- wlc_hw->boardflags2 = (u32) getintvar(vars, "boardflags2");
-
- if (wlc_hw->boardflags & BFL_NOPLLDOWN)
- brcms_b_pllreq(wlc_hw, true, BRCMS_PLLREQ_SHARED);
-
- if ((wlc_hw->sih->bustype == PCI_BUS)
- && (ai_pci_war16165(wlc_hw->sih)))
- wlc->war16165 = true;
-
- /* check device id(srom, nvram etc.) to set bands */
- if (wlc_hw->deviceid == BCM43224_D11N_ID ||
- wlc_hw->deviceid == BCM43224_D11N_ID_VEN1) {
- /* Dualband boards */
- wlc_hw->_nbands = 2;
- } else
- wlc_hw->_nbands = 1;
-
- if ((wlc_hw->sih->chip == BCM43225_CHIP_ID))
- wlc_hw->_nbands = 1;
-
- /* BMAC_NOTE: remove init of pub values when brcms_c_attach()
- * unconditionally does the init of these values
- */
- wlc->vendorid = wlc_hw->vendorid;
- wlc->deviceid = wlc_hw->deviceid;
- wlc->pub->sih = wlc_hw->sih;
- wlc->pub->corerev = wlc_hw->corerev;
- wlc->pub->sromrev = wlc_hw->sromrev;
- wlc->pub->boardrev = wlc_hw->boardrev;
- wlc->pub->boardflags = wlc_hw->boardflags;
- wlc->pub->boardflags2 = wlc_hw->boardflags2;
- wlc->pub->_nbands = wlc_hw->_nbands;
-
- wlc_hw->physhim = wlc_phy_shim_attach(wlc_hw, wlc->wl, wlc);
-
- if (wlc_hw->physhim == NULL) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: wlc_phy_shim_attach "
- "failed\n", unit);
- err = 25;
- goto fail;
- }
-
- /* pass all the parameters to wlc_phy_shared_attach in one struct */
- sha_params.sih = wlc_hw->sih;
- sha_params.physhim = wlc_hw->physhim;
- sha_params.unit = unit;
- sha_params.corerev = wlc_hw->corerev;
- sha_params.vars = vars;
- sha_params.vid = wlc_hw->vendorid;
- sha_params.did = wlc_hw->deviceid;
- sha_params.chip = wlc_hw->sih->chip;
- sha_params.chiprev = wlc_hw->sih->chiprev;
- sha_params.chippkg = wlc_hw->sih->chippkg;
- sha_params.sromrev = wlc_hw->sromrev;
- sha_params.boardtype = wlc_hw->sih->boardtype;
- sha_params.boardrev = wlc_hw->boardrev;
- sha_params.boardvendor = wlc_hw->sih->boardvendor;
- sha_params.boardflags = wlc_hw->boardflags;
- sha_params.boardflags2 = wlc_hw->boardflags2;
- sha_params.bustype = wlc_hw->sih->bustype;
- sha_params.buscorerev = wlc_hw->sih->buscorerev;
-
- /* alloc and save pointer to shared phy state area */
- wlc_hw->phy_sh = wlc_phy_shared_attach(&sha_params);
- if (!wlc_hw->phy_sh) {
- err = 16;
- goto fail;
- }
-
- /* initialize software state for each core and band */
- for (j = 0; j < NBANDS_HW(wlc_hw); j++) {
- /*
- * band0 is always 2.4Ghz
- * band1, if present, is 5Ghz
- */
-
- /* So if this is a single band 11a card, use band 1 */
- if (IS_SINGLEBAND_5G(wlc_hw->deviceid))
- j = BAND_5G_INDEX;
-
- brcms_c_setxband(wlc_hw, j);
-
- wlc_hw->band->bandunit = j;
- wlc_hw->band->bandtype = j ? BRCM_BAND_5G : BRCM_BAND_2G;
- wlc->band->bandunit = j;
- wlc->band->bandtype = j ? BRCM_BAND_5G : BRCM_BAND_2G;
- wlc->core->coreidx = ai_coreidx(wlc_hw->sih);
-
- wlc_hw->machwcap = R_REG(®s->machwcap);
- wlc_hw->machwcap_backup = wlc_hw->machwcap;
-
- /* init tx fifo size */
- wlc_hw->xmtfifo_sz =
- xmtfifo_sz[(wlc_hw->corerev - XMTFIFOTBL_STARTREV)];
-
- /* Get a phy for this band */
- wlc_hw->band->pi = wlc_phy_attach(wlc_hw->phy_sh,
- (void *)regs, brcms_b_bandtype(wlc_hw), vars,
- wlc->wiphy);
- if (wlc_hw->band->pi == NULL) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: wlc_phy_"
- "attach failed\n", unit);
- err = 17;
- goto fail;
- }
-
- wlc_phy_machwcap_set(wlc_hw->band->pi, wlc_hw->machwcap);
-
- wlc_phy_get_phyversion(wlc_hw->band->pi, &wlc_hw->band->phytype,
- &wlc_hw->band->phyrev,
- &wlc_hw->band->radioid,
- &wlc_hw->band->radiorev);
- wlc_hw->band->abgphy_encore =
- wlc_phy_get_encore(wlc_hw->band->pi);
- wlc->band->abgphy_encore = wlc_phy_get_encore(wlc_hw->band->pi);
- wlc_hw->band->core_flags =
- wlc_phy_get_coreflags(wlc_hw->band->pi);
-
- /* verify good phy_type & supported phy revision */
- if (BRCMS_ISNPHY(wlc_hw->band)) {
- if (NCONF_HAS(wlc_hw->band->phyrev))
- goto good_phy;
- else
- goto bad_phy;
- } else if (BRCMS_ISLCNPHY(wlc_hw->band)) {
- if (LCNCONF_HAS(wlc_hw->band->phyrev))
- goto good_phy;
- else
- goto bad_phy;
- } else {
- bad_phy:
- wiphy_err(wiphy, "wl%d: brcms_b_attach: unsupported "
- "phy type/rev (%d/%d)\n", unit,
- wlc_hw->band->phytype, wlc_hw->band->phyrev);
- err = 18;
- goto fail;
- }
-
- good_phy:
- /* BMAC_NOTE: wlc->band->pi should not be set below and should be done in the
- * high level attach. However we can not make that change until all low level access
- * is changed to wlc_hw->band->pi. Instead do the wlc->band->pi init below, keeping
- * wlc_hw->band->pi as well for incremental update of low level fns, and cut over
- * low only init when all fns updated.
- */
- wlc->band->pi = wlc_hw->band->pi;
- wlc->band->phytype = wlc_hw->band->phytype;
- wlc->band->phyrev = wlc_hw->band->phyrev;
- wlc->band->radioid = wlc_hw->band->radioid;
- wlc->band->radiorev = wlc_hw->band->radiorev;
-
- /* default contention windows size limits */
- wlc_hw->band->CWmin = APHY_CWMIN;
- wlc_hw->band->CWmax = PHY_CWMAX;
-
- if (!brcms_b_attach_dmapio(wlc, j, wme)) {
- err = 19;
- goto fail;
- }
- }
-
- /* disable core to match driver "down" state */
- brcms_c_coredisable(wlc_hw);
-
- /* Match driver "down" state */
- if (wlc_hw->sih->bustype == PCI_BUS)
- ai_pci_down(wlc_hw->sih);
-
- /* register sb interrupt callback functions */
- ai_register_intr_callback(wlc_hw->sih, (void *)brcms_c_wlintrsoff,
- (void *)brcms_c_wlintrsrestore, NULL, wlc);
-
- /* turn off pll and xtal to match driver "down" state */
- brcms_b_xtal(wlc_hw, OFF);
-
- /* *********************************************************************
- * The hardware is in the DOWN state at this point. D11 core
- * or cores are in reset with clocks off, and the board PLLs
- * are off if possible.
- *
- * Beyond this point, wlc->sbclk == false and chip registers
- * should not be touched.
- *********************************************************************
- */
-
- /* init etheraddr state variables */
- macaddr = brcms_c_get_macaddr(wlc_hw);
- if (macaddr == NULL) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: macaddr not found\n",
- unit);
- err = 21;
- goto fail;
- }
- brcmu_ether_atoe(macaddr, wlc_hw->etheraddr);
- if (is_broadcast_ether_addr(wlc_hw->etheraddr) ||
- is_zero_ether_addr(wlc_hw->etheraddr)) {
- wiphy_err(wiphy, "wl%d: brcms_b_attach: bad macaddr %s\n",
- unit, macaddr);
- err = 22;
- goto fail;
- }
-
- BCMMSG(wlc->wiphy,
- "deviceid 0x%x nbands %d board 0x%x macaddr: %s\n",
- wlc_hw->deviceid, wlc_hw->_nbands,
- wlc_hw->sih->boardtype, macaddr);
-
- return err;
-
- fail:
- wiphy_err(wiphy, "wl%d: brcms_b_attach: failed with err %d\n", unit,
- err);
- return err;
-}
-
-/*
- * Initialize brcms_c_info default values ...
- * may get overrides later in this function
- * BMAC_NOTES, move low out and resolve the dangling ones
- */
-static void brcms_b_info_init(struct brcms_hardware *wlc_hw)
-{
- struct brcms_c_info *wlc = wlc_hw->wlc;
-
- /* set default sw macintmask value */
- wlc->defmacintmask = DEF_MACINTMASK;
-
- /* various 802.11g modes */
- wlc_hw->shortslot = false;
-
- wlc_hw->SFBL = RETRY_SHORT_FB;
- wlc_hw->LFBL = RETRY_LONG_FB;
-
- /* default mac retry limits */
- wlc_hw->SRL = RETRY_SHORT_DEF;
- wlc_hw->LRL = RETRY_LONG_DEF;
- wlc_hw->chanspec = CH20MHZ_CHSPEC(1);
-}
-
-/*
- * low level detach
- */
-int brcms_b_detach(struct brcms_c_info *wlc)
-{
- uint i;
- struct brcms_hw_band *band;
- struct brcms_hardware *wlc_hw = wlc->hw;
- int callbacks;
-
- callbacks = 0;
-
- if (wlc_hw->sih) {
- /* detach interrupt sync mechanism since interrupt is disabled and per-port
- * interrupt object may has been freed. this must be done before sb core switch
- */
- ai_deregister_intr_callback(wlc_hw->sih);
-
- if (wlc_hw->sih->bustype == PCI_BUS)
- ai_pci_sleep(wlc_hw->sih);
- }
-
- brcms_b_detach_dmapio(wlc_hw);
-
- band = wlc_hw->band;
- for (i = 0; i < NBANDS_HW(wlc_hw); i++) {
- if (band->pi) {
- /* Detach this band's phy */
- wlc_phy_detach(band->pi);
- band->pi = NULL;
- }
- band = wlc_hw->bandstate[OTHERBANDUNIT(wlc)];
- }
-
- /* Free shared phy state */
- kfree(wlc_hw->phy_sh);
-
- wlc_phy_shim_detach(wlc_hw->physhim);
-
- /* free vars */
- kfree(wlc_hw->vars);
- wlc_hw->vars = NULL;
-
- if (wlc_hw->sih) {
- ai_detach(wlc_hw->sih);
- wlc_hw->sih = NULL;
- }
-
- return callbacks;
-
-}
-
-void brcms_b_reset(struct brcms_hardware *wlc_hw)
-{
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- /* reset the core */
- if (!DEVICEREMOVED(wlc_hw->wlc))
- brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
-
- /* purge the dma rings */
- brcms_c_flushqueues(wlc_hw->wlc);
-
- brcms_c_reset_bmac_done(wlc_hw->wlc);
-}
-
-void
-brcms_b_init(struct brcms_hardware *wlc_hw, chanspec_t chanspec,
- bool mute) {
- u32 macintmask;
- bool fastclk;
- struct brcms_c_info *wlc = wlc_hw->wlc;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- /* request FAST clock if not on */
- fastclk = wlc_hw->forcefastclk;
- if (!fastclk)
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
-
- /* disable interrupts */
- macintmask = brcms_intrsoff(wlc->wl);
-
- /* set up the specified band and chanspec */
- brcms_c_setxband(wlc_hw, CHSPEC_BANDUNIT(chanspec));
- wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
-
- /* do one-time phy inits and calibration */
- wlc_phy_cal_init(wlc_hw->band->pi);
-
- /* core-specific initialization */
- brcms_b_coreinit(wlc);
-
- /* suspend the tx fifos and mute the phy for preism cac time */
- if (mute)
- brcms_b_mute(wlc_hw, ON, PHY_MUTE_FOR_PREISM);
-
- /* band-specific inits */
- brcms_b_bsinit(wlc, chanspec);
-
- /* restore macintmask */
- brcms_intrsrestore(wlc->wl, macintmask);
-
- /* seed wake_override with BRCMS_WAKE_OVERRIDE_MACSUSPEND since the mac
- * is suspended and brcms_c_enable_mac() will clear this override bit.
- */
- mboolset(wlc_hw->wake_override, BRCMS_WAKE_OVERRIDE_MACSUSPEND);
-
- /*
- * initialize mac_suspend_depth to 1 to match ucode initial suspended state
- */
- wlc_hw->mac_suspend_depth = 1;
-
- /* restore the clk */
- if (!fastclk)
- brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
-}
-
-int brcms_b_up_prep(struct brcms_hardware *wlc_hw)
-{
- uint coremask;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- /*
- * Enable pll and xtal, initialize the power control registers,
- * and force fastclock for the remainder of brcms_c_up().
- */
- brcms_b_xtal(wlc_hw, ON);
- ai_clkctl_init(wlc_hw->sih);
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
-
- /*
- * Configure pci/pcmcia here instead of in brcms_c_attach()
- * to allow mfg hotswap: down, hotswap (chip power cycle), up.
- */
- coremask = (1 << wlc_hw->wlc->core->coreidx);
-
- if (wlc_hw->sih->bustype == PCI_BUS)
- ai_pci_setup(wlc_hw->sih, coremask);
-
- /*
- * Need to read the hwradio status here to cover the case where the system
- * is loaded with the hw radio disabled. We do not want to bring the driver up in this case.
- */
- if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
- /* put SB PCI in down state again */
- if (wlc_hw->sih->bustype == PCI_BUS)
- ai_pci_down(wlc_hw->sih);
- brcms_b_xtal(wlc_hw, OFF);
- return -ENOMEDIUM;
- }
-
- if (wlc_hw->sih->bustype == PCI_BUS)
- ai_pci_up(wlc_hw->sih);
-
- /* reset the d11 core */
- brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
-
- return 0;
-}
-
-int brcms_b_up_finish(struct brcms_hardware *wlc_hw)
-{
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- wlc_hw->up = true;
- wlc_phy_hw_state_upd(wlc_hw->band->pi, true);
-
- /* FULLY enable dynamic power control and d11 core interrupt */
- brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
- brcms_intrson(wlc_hw->wlc->wl);
- return 0;
-}
-
-int brcms_b_bmac_down_prep(struct brcms_hardware *wlc_hw)
-{
- bool dev_gone;
- uint callbacks = 0;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- if (!wlc_hw->up)
- return callbacks;
-
- dev_gone = DEVICEREMOVED(wlc_hw->wlc);
-
- /* disable interrupts */
- if (dev_gone)
- wlc_hw->wlc->macintmask = 0;
- else {
- /* now disable interrupts */
- brcms_intrsoff(wlc_hw->wlc->wl);
-
- /* ensure we're running on the pll clock again */
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
- }
- /* down phy at the last of this stage */
- callbacks += wlc_phy_down(wlc_hw->band->pi);
-
- return callbacks;
-}
-
-int brcms_b_down_finish(struct brcms_hardware *wlc_hw)
-{
- uint callbacks = 0;
- bool dev_gone;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- if (!wlc_hw->up)
- return callbacks;
-
- wlc_hw->up = false;
- wlc_phy_hw_state_upd(wlc_hw->band->pi, false);
-
- dev_gone = DEVICEREMOVED(wlc_hw->wlc);
-
- if (dev_gone) {
- wlc_hw->sbclk = false;
- wlc_hw->clk = false;
- wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
-
- /* reclaim any posted packets */
- brcms_c_flushqueues(wlc_hw->wlc);
- } else {
-
- /* Reset and disable the core */
- if (ai_iscoreup(wlc_hw->sih)) {
- if (R_REG(&wlc_hw->regs->maccontrol) &
- MCTL_EN_MAC)
- brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
- callbacks += brcms_reset(wlc_hw->wlc->wl);
- brcms_c_coredisable(wlc_hw);
- }
-
- /* turn off primary xtal and pll */
- if (!wlc_hw->noreset) {
- if (wlc_hw->sih->bustype == PCI_BUS)
- ai_pci_down(wlc_hw->sih);
- brcms_b_xtal(wlc_hw, OFF);
- }
- }
-
- return callbacks;
-}
-
-void brcms_b_wait_for_wake(struct brcms_hardware *wlc_hw)
-{
- /* delay before first read of ucode state */
- udelay(40);
-
- /* wait until ucode is no longer asleep */
- SPINWAIT((brcms_b_read_shm(wlc_hw, M_UCODE_DBGST) ==
- DBGST_ASLEEP), wlc_hw->wlc->fastpwrup_dly);
-}
+ /* wait until ucode is no longer asleep */
+ SPINWAIT((brcms_b_read_shm(wlc_hw, M_UCODE_DBGST) ==
+ DBGST_ASLEEP), wlc_hw->wlc->fastpwrup_dly);
+}
void brcms_b_hw_etheraddr(struct brcms_hardware *wlc_hw, u8 *ea)
{
}
}
-u16 brcms_b_mhf_get(struct brcms_hardware *wlc_hw, u8 idx, int bands)
-{
- struct brcms_hw_band *band;
-
- if (idx >= MHFMAX)
- return 0; /* error condition */
- switch (bands) {
- case BRCM_BAND_AUTO:
- band = wlc_hw->band;
- break;
- case BRCM_BAND_5G:
- band = wlc_hw->bandstate[BAND_5G_INDEX];
- break;
- case BRCM_BAND_2G:
- band = wlc_hw->bandstate[BAND_2G_INDEX];
- break;
- default:
- band = NULL; /* error condition */
- }
-
- if (!band)
- return 0;
-
- return band->mhfs[idx];
-}
-
static void brcms_c_write_mhf(struct brcms_hardware *wlc_hw, u16 *mhfs)
{
u8 idx;
OR_REG(®s->maccommand, MCMD_BCN1VLD);
}
-/* mac is assumed to be suspended at this point */
-void
-brcms_b_write_hw_bcntemplates(struct brcms_hardware *wlc_hw, void *bcn,
- int len, bool both)
-{
- d11regs_t *regs = wlc_hw->regs;
-
- if (both) {
- brcms_c_write_hw_bcntemplate0(wlc_hw, bcn, len);
- brcms_c_write_hw_bcntemplate1(wlc_hw, bcn, len);
- } else {
- /* bcn 0 */
- if (!(R_REG(®s->maccommand) & MCMD_BCN0VLD))
- brcms_c_write_hw_bcntemplate0(wlc_hw, bcn, len);
- /* bcn 1 */
- else if (!
- (R_REG(®s->maccommand) & MCMD_BCN1VLD))
- brcms_c_write_hw_bcntemplate1(wlc_hw, bcn, len);
- }
-}
-
static void brcms_b_upd_synthpu(struct brcms_hardware *wlc_hw)
{
u16 v;
return v;
}
-/* Initialize just the hardware when coming out of POR or S3/S5 system states */
-void brcms_b_hw_up(struct brcms_hardware *wlc_hw)
-{
- if (wlc_hw->wlc->pub->hw_up)
- return;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- /*
- * Enable pll and xtal, initialize the power control registers,
- * and force fastclock for the remainder of brcms_c_up().
- */
- brcms_b_xtal(wlc_hw, ON);
- ai_clkctl_init(wlc_hw->sih);
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
-
- if (wlc_hw->sih->bustype == PCI_BUS) {
- ai_pci_fixcfg(wlc_hw->sih);
-
- /* AI chip doesn't restore bar0win2 on hibernation/resume, need sw fixup */
- if ((wlc_hw->sih->chip == BCM43224_CHIP_ID) ||
- (wlc_hw->sih->chip == BCM43225_CHIP_ID))
- wlc_hw->regs =
- (d11regs_t *) ai_setcore(wlc_hw->sih, D11_CORE_ID,
- 0);
- }
-
- /* Inform phy that a POR reset has occurred so it does a complete phy init */
- wlc_phy_por_inform(wlc_hw->band->pi);
-
- wlc_hw->ucode_loaded = false;
- wlc_hw->wlc->pub->hw_up = true;
-
- if ((wlc_hw->boardflags & BFL_FEM)
- && (wlc_hw->sih->chip == BCM4313_CHIP_ID)) {
- if (!
- (wlc_hw->boardrev >= 0x1250
- && (wlc_hw->boardflags & BFL_FEM_BT)))
- ai_epa_4313war(wlc_hw->sih);
- }
-}
-
static bool wlc_dma_rxreset(struct brcms_hardware *wlc_hw, uint fifo)
{
struct dma_pub *di = wlc_hw->di[fifo];
u16 txfifo_cmd;
/* tx fifos start at TXFIFO_START_BLK from the Base address */
- txfifo_startblk = TXFIFO_START_BLK;
-
- /* sequence of operations: reset fifo, set fifo size, reset fifo */
- for (fifo_nu = 0; fifo_nu < NFIFO; fifo_nu++) {
-
- txfifo_endblk = txfifo_startblk + wlc_hw->xmtfifo_sz[fifo_nu];
- txfifo_def = (txfifo_startblk & 0xff) |
- (((txfifo_endblk - 1) & 0xff) << TXFIFO_FIFOTOP_SHIFT);
- txfifo_def1 = ((txfifo_startblk >> 8) & 0x1) |
- ((((txfifo_endblk -
- 1) >> 8) & 0x1) << TXFIFO_FIFOTOP_SHIFT);
- txfifo_cmd =
- TXFIFOCMD_RESET_MASK | (fifo_nu << TXFIFOCMD_FIFOSEL_SHIFT);
-
- W_REG(®s->xmtfifocmd, txfifo_cmd);
- W_REG(®s->xmtfifodef, txfifo_def);
- W_REG(®s->xmtfifodef1, txfifo_def1);
-
- W_REG(®s->xmtfifocmd, txfifo_cmd);
-
- txfifo_startblk += wlc_hw->xmtfifo_sz[fifo_nu];
- }
- /*
- * need to propagate to shm location to be in sync since ucode/hw won't
- * do this
- */
- brcms_b_write_shm(wlc_hw, M_FIFOSIZE0,
- wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]);
- brcms_b_write_shm(wlc_hw, M_FIFOSIZE1,
- wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]);
- brcms_b_write_shm(wlc_hw, M_FIFOSIZE2,
- ((wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO] << 8) | wlc_hw->
- xmtfifo_sz[TX_AC_BK_FIFO]));
- brcms_b_write_shm(wlc_hw, M_FIFOSIZE3,
- ((wlc_hw->xmtfifo_sz[TX_ATIM_FIFO] << 8) | wlc_hw->
- xmtfifo_sz[TX_BCMC_FIFO]));
-}
-
-/* d11 core init
- * reset PSM
- * download ucode/PCM
- * let ucode run to suspended
- * download ucode inits
- * config other core registers
- * init dma
- */
-static void brcms_b_coreinit(struct brcms_c_info *wlc)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- d11regs_t *regs;
- u32 sflags;
- uint bcnint_us;
- uint i = 0;
- bool fifosz_fixup = false;
- int err = 0;
- u16 buf[NFIFO];
- struct wiphy *wiphy = wlc->wiphy;
-
- regs = wlc_hw->regs;
-
- BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- /* reset PSM */
- brcms_b_mctrl(wlc_hw, ~0, (MCTL_IHR_EN | MCTL_PSM_JMP_0 | MCTL_WAKE));
-
- brcms_ucode_download(wlc_hw);
- /*
- * FIFOSZ fixup. driver wants to controls the fifo allocation.
- */
- fifosz_fixup = true;
-
- /* let the PSM run to the suspended state, set mode to BSS STA */
- W_REG(®s->macintstatus, -1);
- brcms_b_mctrl(wlc_hw, ~0,
- (MCTL_IHR_EN | MCTL_INFRA | MCTL_PSM_RUN | MCTL_WAKE));
-
- /* wait for ucode to self-suspend after auto-init */
- SPINWAIT(((R_REG(®s->macintstatus) & MI_MACSSPNDD) == 0),
- 1000 * 1000);
- if ((R_REG(®s->macintstatus) & MI_MACSSPNDD) == 0)
- wiphy_err(wiphy, "wl%d: wlc_coreinit: ucode did not self-"
- "suspend!\n", wlc_hw->unit);
-
- brcms_c_gpio_init(wlc);
-
- sflags = ai_core_sflags(wlc_hw->sih, 0, 0);
-
- if (D11REV_IS(wlc_hw->corerev, 23)) {
- if (BRCMS_ISNPHY(wlc_hw->band))
- brcms_c_write_inits(wlc_hw, d11n0initvals16);
- else
- wiphy_err(wiphy, "%s: wl%d: unsupported phy in corerev"
- " %d\n", __func__, wlc_hw->unit,
- wlc_hw->corerev);
- } else if (D11REV_IS(wlc_hw->corerev, 24)) {
- if (BRCMS_ISLCNPHY(wlc_hw->band)) {
- brcms_c_write_inits(wlc_hw, d11lcn0initvals24);
- } else {
- wiphy_err(wiphy, "%s: wl%d: unsupported phy in corerev"
- " %d\n", __func__, wlc_hw->unit,
- wlc_hw->corerev);
- }
- } else {
- wiphy_err(wiphy, "%s: wl%d: unsupported corerev %d\n",
- __func__, wlc_hw->unit, wlc_hw->corerev);
- }
-
- /* For old ucode, txfifo sizes needs to be modified(increased) */
- if (fifosz_fixup == true) {
- brcms_b_corerev_fifofixup(wlc_hw);
- }
-
- /* check txfifo allocations match between ucode and driver */
- buf[TX_AC_BE_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE0);
- if (buf[TX_AC_BE_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]) {
- i = TX_AC_BE_FIFO;
- err = -1;
- }
- buf[TX_AC_VI_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE1);
- if (buf[TX_AC_VI_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]) {
- i = TX_AC_VI_FIFO;
- err = -1;
- }
- buf[TX_AC_BK_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE2);
- buf[TX_AC_VO_FIFO] = (buf[TX_AC_BK_FIFO] >> 8) & 0xff;
- buf[TX_AC_BK_FIFO] &= 0xff;
- if (buf[TX_AC_BK_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BK_FIFO]) {
- i = TX_AC_BK_FIFO;
- err = -1;
- }
- if (buf[TX_AC_VO_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO]) {
- i = TX_AC_VO_FIFO;
- err = -1;
- }
- buf[TX_BCMC_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE3);
- buf[TX_ATIM_FIFO] = (buf[TX_BCMC_FIFO] >> 8) & 0xff;
- buf[TX_BCMC_FIFO] &= 0xff;
- if (buf[TX_BCMC_FIFO] != wlc_hw->xmtfifo_sz[TX_BCMC_FIFO]) {
- i = TX_BCMC_FIFO;
- err = -1;
- }
- if (buf[TX_ATIM_FIFO] != wlc_hw->xmtfifo_sz[TX_ATIM_FIFO]) {
- i = TX_ATIM_FIFO;
- err = -1;
- }
- if (err != 0) {
- wiphy_err(wiphy, "wlc_coreinit: txfifo mismatch: ucode size %d"
- " driver size %d index %d\n", buf[i],
- wlc_hw->xmtfifo_sz[i], i);
- }
-
- /* make sure we can still talk to the mac */
- WARN_ON(R_REG(®s->maccontrol) == 0xffffffff);
-
- /* band-specific inits done by wlc_bsinit() */
-
- /* Set up frame burst size and antenna swap threshold init values */
- brcms_b_write_shm(wlc_hw, M_MBURST_SIZE, MAXTXFRAMEBURST);
- brcms_b_write_shm(wlc_hw, M_MAX_ANTCNT, ANTCNT);
-
- /* enable one rx interrupt per received frame */
- W_REG(®s->intrcvlazy[0], (1 << IRL_FC_SHIFT));
-
- /* set the station mode (BSS STA) */
- brcms_b_mctrl(wlc_hw,
- (MCTL_INFRA | MCTL_DISCARD_PMQ | MCTL_AP),
- (MCTL_INFRA | MCTL_DISCARD_PMQ));
-
- /* set up Beacon interval */
- bcnint_us = 0x8000 << 10;
- W_REG(®s->tsf_cfprep, (bcnint_us << CFPREP_CBI_SHIFT));
- W_REG(®s->tsf_cfpstart, bcnint_us);
- W_REG(®s->macintstatus, MI_GP1);
-
- /* write interrupt mask */
- W_REG(®s->intctrlregs[RX_FIFO].intmask, DEF_RXINTMASK);
-
- /* allow the MAC to control the PHY clock (dynamic on/off) */
- brcms_b_macphyclk_set(wlc_hw, ON);
-
- /* program dynamic clock control fast powerup delay register */
- wlc->fastpwrup_dly = ai_clkctl_fast_pwrup_delay(wlc_hw->sih);
- W_REG(®s->scc_fastpwrup_dly, wlc->fastpwrup_dly);
-
- /* tell the ucode the corerev */
- brcms_b_write_shm(wlc_hw, M_MACHW_VER, (u16) wlc_hw->corerev);
-
- /* tell the ucode MAC capabilities */
- brcms_b_write_shm(wlc_hw, M_MACHW_CAP_L,
- (u16) (wlc_hw->machwcap & 0xffff));
- brcms_b_write_shm(wlc_hw, M_MACHW_CAP_H,
- (u16) ((wlc_hw->
- machwcap >> 16) & 0xffff));
+ txfifo_startblk = TXFIFO_START_BLK;
- /* write retry limits to SCR, this done after PSM init */
- W_REG(®s->objaddr, OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
- (void)R_REG(®s->objaddr);
- W_REG(®s->objdata, wlc_hw->SRL);
- W_REG(®s->objaddr, OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
- (void)R_REG(®s->objaddr);
- W_REG(®s->objdata, wlc_hw->LRL);
+ /* sequence of operations: reset fifo, set fifo size, reset fifo */
+ for (fifo_nu = 0; fifo_nu < NFIFO; fifo_nu++) {
- /* write rate fallback retry limits */
- brcms_b_write_shm(wlc_hw, M_SFRMTXCNTFBRTHSD, wlc_hw->SFBL);
- brcms_b_write_shm(wlc_hw, M_LFRMTXCNTFBRTHSD, wlc_hw->LFBL);
+ txfifo_endblk = txfifo_startblk + wlc_hw->xmtfifo_sz[fifo_nu];
+ txfifo_def = (txfifo_startblk & 0xff) |
+ (((txfifo_endblk - 1) & 0xff) << TXFIFO_FIFOTOP_SHIFT);
+ txfifo_def1 = ((txfifo_startblk >> 8) & 0x1) |
+ ((((txfifo_endblk -
+ 1) >> 8) & 0x1) << TXFIFO_FIFOTOP_SHIFT);
+ txfifo_cmd =
+ TXFIFOCMD_RESET_MASK | (fifo_nu << TXFIFOCMD_FIFOSEL_SHIFT);
- AND_REG(®s->ifs_ctl, 0x0FFF);
- W_REG(®s->ifs_aifsn, EDCF_AIFSN_MIN);
+ W_REG(®s->xmtfifocmd, txfifo_cmd);
+ W_REG(®s->xmtfifodef, txfifo_def);
+ W_REG(®s->xmtfifodef1, txfifo_def1);
- /* dma initializations */
- wlc->txpend16165war = 0;
+ W_REG(®s->xmtfifocmd, txfifo_cmd);
- /* init the tx dma engines */
- for (i = 0; i < NFIFO; i++) {
- if (wlc_hw->di[i])
- dma_txinit(wlc_hw->di[i]);
+ txfifo_startblk += wlc_hw->xmtfifo_sz[fifo_nu];
}
-
- /* init the rx dma engine(s) and post receive buffers */
- dma_rxinit(wlc_hw->di[RX_FIFO]);
- dma_rxfill(wlc_hw->di[RX_FIFO]);
+ /*
+ * need to propagate to shm location to be in sync since ucode/hw won't
+ * do this
+ */
+ brcms_b_write_shm(wlc_hw, M_FIFOSIZE0,
+ wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]);
+ brcms_b_write_shm(wlc_hw, M_FIFOSIZE1,
+ wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]);
+ brcms_b_write_shm(wlc_hw, M_FIFOSIZE2,
+ ((wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO] << 8) | wlc_hw->
+ xmtfifo_sz[TX_AC_BK_FIFO]));
+ brcms_b_write_shm(wlc_hw, M_FIFOSIZE3,
+ ((wlc_hw->xmtfifo_sz[TX_ATIM_FIFO] << 8) | wlc_hw->
+ xmtfifo_sz[TX_BCMC_FIFO]));
}
/* This function is used for changing the tsf frac register
W_REG(&wlc_hw->regs->macintmask, wlc->macintmask);
}
+static void brcms_b_tx_fifo_suspend(struct brcms_hardware *wlc_hw,
+ uint tx_fifo)
+{
+ u8 fifo = 1 << tx_fifo;
+
+ /* Two clients of this code, 11h Quiet period and scanning. */
+
+ /* only suspend if not already suspended */
+ if ((wlc_hw->suspended_fifos & fifo) == fifo)
+ return;
+
+ /* force the core awake only if not already */
+ if (wlc_hw->suspended_fifos == 0)
+ brcms_c_ucode_wake_override_set(wlc_hw,
+ BRCMS_WAKE_OVERRIDE_TXFIFO);
+
+ wlc_hw->suspended_fifos |= fifo;
+
+ if (wlc_hw->di[tx_fifo]) {
+ /* Suspending AMPDU transmissions in the middle can cause underflow
+ * which may result in mismatch between ucode and driver
+ * so suspend the mac before suspending the FIFO
+ */
+ if (BRCMS_PHY_11N_CAP(wlc_hw->band))
+ brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
+
+ dma_txsuspend(wlc_hw->di[tx_fifo]);
+
+ if (BRCMS_PHY_11N_CAP(wlc_hw->band))
+ brcms_c_enable_mac(wlc_hw->wlc);
+ }
+}
+
static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool on, mbool flags)
{
u8 null_ether_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
brcms_c_ucode_mute_override_clear(wlc_hw);
}
-int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
- uint *blocks)
-{
- if (fifo >= NFIFO)
- return -EINVAL;
-
- *blocks = wlc_hw->xmtfifo_sz[fifo];
-
- return 0;
-}
-
/* brcms_b_tx_fifo_suspended:
* Check the MAC's tx suspend status for a tx fifo.
*
return false;
}
-static void brcms_b_tx_fifo_suspend(struct brcms_hardware *wlc_hw,
- uint tx_fifo)
-{
- u8 fifo = 1 << tx_fifo;
-
- /* Two clients of this code, 11h Quiet period and scanning. */
-
- /* only suspend if not already suspended */
- if ((wlc_hw->suspended_fifos & fifo) == fifo)
- return;
-
- /* force the core awake only if not already */
- if (wlc_hw->suspended_fifos == 0)
- brcms_c_ucode_wake_override_set(wlc_hw,
- BRCMS_WAKE_OVERRIDE_TXFIFO);
-
- wlc_hw->suspended_fifos |= fifo;
-
- if (wlc_hw->di[tx_fifo]) {
- /* Suspending AMPDU transmissions in the middle can cause underflow
- * which may result in mismatch between ucode and driver
- * so suspend the mac before suspending the FIFO
- */
- if (BRCMS_PHY_11N_CAP(wlc_hw->band))
- brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
-
- dma_txsuspend(wlc_hw->di[tx_fifo]);
-
- if (BRCMS_PHY_11N_CAP(wlc_hw->band))
- brcms_c_enable_mac(wlc_hw->wlc);
- }
-}
-
static void brcms_b_tx_fifo_resume(struct brcms_hardware *wlc_hw,
uint tx_fifo)
{
}
-static bool
-brcms_b_dotxstatus(struct brcms_hardware *wlc_hw, struct tx_status *txs,
- u32 s2)
-{
- /* discard intermediate indications for ucode with one legitimate case:
- * e.g. if "useRTS" is set. ucode did a successful rts/cts exchange, but the subsequent
- * tx of DATA failed. so it will start rts/cts from the beginning (resetting the rts
- * transmission count)
- */
- if (!(txs->status & TX_STATUS_AMPDU)
- && (txs->status & TX_STATUS_INTERMEDIATE)) {
- return false;
- }
-
- return brcms_c_dotxstatus(wlc_hw->wlc, txs, s2);
-}
-
-/* process tx completion events in BMAC
- * Return true if more tx status need to be processed. false otherwise.
- */
-static bool
-brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
-{
- bool morepending = false;
- struct brcms_c_info *wlc = wlc_hw->wlc;
- d11regs_t *regs;
- struct tx_status txstatus, *txs;
- u32 s1, s2;
- uint n = 0;
- /*
- * Param 'max_tx_num' indicates max. # tx status to process before
- * break out.
- */
- uint max_tx_num = bound ? wlc->pub->tunables->txsbnd : -1;
-
- BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- txs = &txstatus;
- regs = wlc_hw->regs;
- while (!(*fatal)
- && (s1 = R_REG(®s->frmtxstatus)) & TXS_V) {
-
- if (s1 == 0xffffffff) {
- wiphy_err(wlc->wiphy, "wl%d: %s: dead chip\n",
- wlc_hw->unit, __func__);
- return morepending;
- }
-
- s2 = R_REG(®s->frmtxstatus2);
-
- txs->status = s1 & TXS_STATUS_MASK;
- txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT;
- txs->sequence = s2 & TXS_SEQ_MASK;
- txs->phyerr = (s2 & TXS_PTX_MASK) >> TXS_PTX_SHIFT;
- txs->lasttxtime = 0;
-
- *fatal = brcms_b_dotxstatus(wlc_hw, txs, s2);
-
- /* !give others some time to run! */
- if (++n >= max_tx_num)
- break;
- }
-
- if (*fatal)
- return 0;
-
- if (n >= max_tx_num)
- morepending = true;
-
- if (!pktq_empty(&wlc->pkt_queue->q))
- brcms_c_send_q(wlc);
-
- return morepending;
-}
-
void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc)
{
struct brcms_hardware *wlc_hw = wlc->hw;
brcms_upd_ofdm_pctl1_table(wlc_hw);
}
-void
-brcms_b_read_tsf(struct brcms_hardware *wlc_hw, u32 *tsf_l_ptr,
- u32 *tsf_h_ptr)
-{
- d11regs_t *regs = wlc_hw->regs;
-
- /* read the tsf timer low, then high to get an atomic read */
- *tsf_l_ptr = R_REG(®s->tsf_timerlow);
- *tsf_h_ptr = R_REG(®s->tsf_timerhigh);
-
- return;
-}
-
static bool brcms_b_validate_chip_access(struct brcms_hardware *wlc_hw)
{
d11regs_t *regs;
return;
}
-u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate)
-{
- u16 table_ptr;
- u8 phy_rate, index;
-
- /* get the phy specific rate encoding for the PLCP SIGNAL field */
- if (IS_OFDM(rate))
- table_ptr = M_RT_DIRMAP_A;
- else
- table_ptr = M_RT_DIRMAP_B;
-
- /* for a given rate, the LS-nibble of the PLCP SIGNAL field is
- * the index into the rate table.
- */
- phy_rate = rate_info[rate] & BRCMS_RATE_MASK;
- index = phy_rate & 0xf;
-
- /* Find the SHM pointer to the rate table entry by looking in the
- * Direct-map Table
- */
- return 2 * brcms_b_read_shm(wlc_hw, table_ptr + (index * 2));
-}
-
void brcms_b_antsel_set(struct brcms_hardware *wlc_hw, u32 antsel_avail)
{
wlc_hw->antsel_avail = antsel_avail;
if (!cfg->BSS || !BRCMS_PORTOPEN(cfg))
return false;
- if (!cfg->dtim_programmed)
- return false;
- }
- }
+ if (!cfg->dtim_programmed)
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void brcms_b_reset(struct brcms_hardware *wlc_hw)
+{
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ /* reset the core */
+ if (!DEVICEREMOVED(wlc_hw->wlc))
+ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
+
+ /* purge the dma rings */
+ brcms_c_flushqueues(wlc_hw->wlc);
- return true;
+ brcms_c_reset_bmac_done(wlc_hw->wlc);
}
void brcms_c_reset(struct brcms_c_info *wlc)
scb->seqnum[i] = 0;
}
+/* d11 core init
+ * reset PSM
+ * download ucode/PCM
+ * let ucode run to suspended
+ * download ucode inits
+ * config other core registers
+ * init dma
+ */
+static void brcms_b_coreinit(struct brcms_c_info *wlc)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ d11regs_t *regs;
+ u32 sflags;
+ uint bcnint_us;
+ uint i = 0;
+ bool fifosz_fixup = false;
+ int err = 0;
+ u16 buf[NFIFO];
+ struct wiphy *wiphy = wlc->wiphy;
+
+ regs = wlc_hw->regs;
+
+ BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ /* reset PSM */
+ brcms_b_mctrl(wlc_hw, ~0, (MCTL_IHR_EN | MCTL_PSM_JMP_0 | MCTL_WAKE));
+
+ brcms_ucode_download(wlc_hw);
+ /*
+ * FIFOSZ fixup. driver wants to controls the fifo allocation.
+ */
+ fifosz_fixup = true;
+
+ /* let the PSM run to the suspended state, set mode to BSS STA */
+ W_REG(®s->macintstatus, -1);
+ brcms_b_mctrl(wlc_hw, ~0,
+ (MCTL_IHR_EN | MCTL_INFRA | MCTL_PSM_RUN | MCTL_WAKE));
+
+ /* wait for ucode to self-suspend after auto-init */
+ SPINWAIT(((R_REG(®s->macintstatus) & MI_MACSSPNDD) == 0),
+ 1000 * 1000);
+ if ((R_REG(®s->macintstatus) & MI_MACSSPNDD) == 0)
+ wiphy_err(wiphy, "wl%d: wlc_coreinit: ucode did not self-"
+ "suspend!\n", wlc_hw->unit);
+
+ brcms_c_gpio_init(wlc);
+
+ sflags = ai_core_sflags(wlc_hw->sih, 0, 0);
+
+ if (D11REV_IS(wlc_hw->corerev, 23)) {
+ if (BRCMS_ISNPHY(wlc_hw->band))
+ brcms_c_write_inits(wlc_hw, d11n0initvals16);
+ else
+ wiphy_err(wiphy, "%s: wl%d: unsupported phy in corerev"
+ " %d\n", __func__, wlc_hw->unit,
+ wlc_hw->corerev);
+ } else if (D11REV_IS(wlc_hw->corerev, 24)) {
+ if (BRCMS_ISLCNPHY(wlc_hw->band)) {
+ brcms_c_write_inits(wlc_hw, d11lcn0initvals24);
+ } else {
+ wiphy_err(wiphy, "%s: wl%d: unsupported phy in corerev"
+ " %d\n", __func__, wlc_hw->unit,
+ wlc_hw->corerev);
+ }
+ } else {
+ wiphy_err(wiphy, "%s: wl%d: unsupported corerev %d\n",
+ __func__, wlc_hw->unit, wlc_hw->corerev);
+ }
+
+ /* For old ucode, txfifo sizes needs to be modified(increased) */
+ if (fifosz_fixup == true) {
+ brcms_b_corerev_fifofixup(wlc_hw);
+ }
+
+ /* check txfifo allocations match between ucode and driver */
+ buf[TX_AC_BE_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE0);
+ if (buf[TX_AC_BE_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]) {
+ i = TX_AC_BE_FIFO;
+ err = -1;
+ }
+ buf[TX_AC_VI_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE1);
+ if (buf[TX_AC_VI_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]) {
+ i = TX_AC_VI_FIFO;
+ err = -1;
+ }
+ buf[TX_AC_BK_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE2);
+ buf[TX_AC_VO_FIFO] = (buf[TX_AC_BK_FIFO] >> 8) & 0xff;
+ buf[TX_AC_BK_FIFO] &= 0xff;
+ if (buf[TX_AC_BK_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BK_FIFO]) {
+ i = TX_AC_BK_FIFO;
+ err = -1;
+ }
+ if (buf[TX_AC_VO_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO]) {
+ i = TX_AC_VO_FIFO;
+ err = -1;
+ }
+ buf[TX_BCMC_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE3);
+ buf[TX_ATIM_FIFO] = (buf[TX_BCMC_FIFO] >> 8) & 0xff;
+ buf[TX_BCMC_FIFO] &= 0xff;
+ if (buf[TX_BCMC_FIFO] != wlc_hw->xmtfifo_sz[TX_BCMC_FIFO]) {
+ i = TX_BCMC_FIFO;
+ err = -1;
+ }
+ if (buf[TX_ATIM_FIFO] != wlc_hw->xmtfifo_sz[TX_ATIM_FIFO]) {
+ i = TX_ATIM_FIFO;
+ err = -1;
+ }
+ if (err != 0) {
+ wiphy_err(wiphy, "wlc_coreinit: txfifo mismatch: ucode size %d"
+ " driver size %d index %d\n", buf[i],
+ wlc_hw->xmtfifo_sz[i], i);
+ }
+
+ /* make sure we can still talk to the mac */
+ WARN_ON(R_REG(®s->maccontrol) == 0xffffffff);
+
+ /* band-specific inits done by wlc_bsinit() */
+
+ /* Set up frame burst size and antenna swap threshold init values */
+ brcms_b_write_shm(wlc_hw, M_MBURST_SIZE, MAXTXFRAMEBURST);
+ brcms_b_write_shm(wlc_hw, M_MAX_ANTCNT, ANTCNT);
+
+ /* enable one rx interrupt per received frame */
+ W_REG(®s->intrcvlazy[0], (1 << IRL_FC_SHIFT));
+
+ /* set the station mode (BSS STA) */
+ brcms_b_mctrl(wlc_hw,
+ (MCTL_INFRA | MCTL_DISCARD_PMQ | MCTL_AP),
+ (MCTL_INFRA | MCTL_DISCARD_PMQ));
+
+ /* set up Beacon interval */
+ bcnint_us = 0x8000 << 10;
+ W_REG(®s->tsf_cfprep, (bcnint_us << CFPREP_CBI_SHIFT));
+ W_REG(®s->tsf_cfpstart, bcnint_us);
+ W_REG(®s->macintstatus, MI_GP1);
+
+ /* write interrupt mask */
+ W_REG(®s->intctrlregs[RX_FIFO].intmask, DEF_RXINTMASK);
+
+ /* allow the MAC to control the PHY clock (dynamic on/off) */
+ brcms_b_macphyclk_set(wlc_hw, ON);
+
+ /* program dynamic clock control fast powerup delay register */
+ wlc->fastpwrup_dly = ai_clkctl_fast_pwrup_delay(wlc_hw->sih);
+ W_REG(®s->scc_fastpwrup_dly, wlc->fastpwrup_dly);
+
+ /* tell the ucode the corerev */
+ brcms_b_write_shm(wlc_hw, M_MACHW_VER, (u16) wlc_hw->corerev);
+
+ /* tell the ucode MAC capabilities */
+ brcms_b_write_shm(wlc_hw, M_MACHW_CAP_L,
+ (u16) (wlc_hw->machwcap & 0xffff));
+ brcms_b_write_shm(wlc_hw, M_MACHW_CAP_H,
+ (u16) ((wlc_hw->
+ machwcap >> 16) & 0xffff));
+
+ /* write retry limits to SCR, this done after PSM init */
+ W_REG(®s->objaddr, OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
+ (void)R_REG(®s->objaddr);
+ W_REG(®s->objdata, wlc_hw->SRL);
+ W_REG(®s->objaddr, OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
+ (void)R_REG(®s->objaddr);
+ W_REG(®s->objdata, wlc_hw->LRL);
+
+ /* write rate fallback retry limits */
+ brcms_b_write_shm(wlc_hw, M_SFRMTXCNTFBRTHSD, wlc_hw->SFBL);
+ brcms_b_write_shm(wlc_hw, M_LFRMTXCNTFBRTHSD, wlc_hw->LFBL);
+
+ AND_REG(®s->ifs_ctl, 0x0FFF);
+ W_REG(®s->ifs_aifsn, EDCF_AIFSN_MIN);
+
+ /* dma initializations */
+ wlc->txpend16165war = 0;
+
+ /* init the tx dma engines */
+ for (i = 0; i < NFIFO; i++) {
+ if (wlc_hw->di[i])
+ dma_txinit(wlc_hw->di[i]);
+ }
+
+ /* init the rx dma engine(s) and post receive buffers */
+ dma_rxinit(wlc_hw->di[RX_FIFO]);
+ dma_rxfill(wlc_hw->di[RX_FIFO]);
+}
+
+void
+brcms_b_init(struct brcms_hardware *wlc_hw, chanspec_t chanspec,
+ bool mute) {
+ u32 macintmask;
+ bool fastclk;
+ struct brcms_c_info *wlc = wlc_hw->wlc;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ /* request FAST clock if not on */
+ fastclk = wlc_hw->forcefastclk;
+ if (!fastclk)
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+
+ /* disable interrupts */
+ macintmask = brcms_intrsoff(wlc->wl);
+
+ /* set up the specified band and chanspec */
+ brcms_c_setxband(wlc_hw, CHSPEC_BANDUNIT(chanspec));
+ wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
+
+ /* do one-time phy inits and calibration */
+ wlc_phy_cal_init(wlc_hw->band->pi);
+
+ /* core-specific initialization */
+ brcms_b_coreinit(wlc);
+
+ /* suspend the tx fifos and mute the phy for preism cac time */
+ if (mute)
+ brcms_b_mute(wlc_hw, ON, PHY_MUTE_FOR_PREISM);
+
+ /* band-specific inits */
+ brcms_b_bsinit(wlc, chanspec);
+
+ /* restore macintmask */
+ brcms_intrsrestore(wlc->wl, macintmask);
+
+ /* seed wake_override with BRCMS_WAKE_OVERRIDE_MACSUSPEND since the mac
+ * is suspended and brcms_c_enable_mac() will clear this override bit.
+ */
+ mboolset(wlc_hw->wake_override, BRCMS_WAKE_OVERRIDE_MACSUSPEND);
+
+ /*
+ * initialize mac_suspend_depth to 1 to match ucode initial suspended state
+ */
+ wlc_hw->mac_suspend_depth = 1;
+
+ /* restore the clk */
+ if (!fastclk)
+ brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
+}
+
void brcms_c_init(struct brcms_c_info *wlc)
{
d11regs_t *regs;
else if (BSSCFG_STA(cfg) && cfg->BSS) {
brcms_c_rcmta_add_bssid(wlc, cfg);
}
-#endif
+#endif
+}
+
+void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw, bool shortslot)
+{
+ wlc_hw->shortslot = shortslot;
+
+ if (BAND_2G(brcms_b_bandtype(wlc_hw)) && wlc_hw->up) {
+ brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
+ brcms_b_update_slot_timing(wlc_hw, shortslot);
+ brcms_c_enable_mac(wlc_hw->wlc);
+ }
}
/*
}
+void
+brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, chanspec_t chanspec,
+ bool mute, struct txpwr_limits *txpwr)
+{
+ uint bandunit;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d: 0x%x\n", wlc_hw->unit, chanspec);
+
+ wlc_hw->chanspec = chanspec;
+
+ /* Switch bands if necessary */
+ if (NBANDS_HW(wlc_hw) > 1) {
+ bandunit = CHSPEC_BANDUNIT(chanspec);
+ if (wlc_hw->band->bandunit != bandunit) {
+ /* brcms_b_setband disables other bandunit,
+ * use light band switch if not up yet
+ */
+ if (wlc_hw->up) {
+ wlc_phy_chanspec_radio_set(wlc_hw->
+ bandstate[bandunit]->
+ pi, chanspec);
+ brcms_b_setband(wlc_hw, bandunit, chanspec);
+ } else {
+ brcms_c_setxband(wlc_hw, bandunit);
+ }
+ }
+ }
+
+ wlc_phy_initcal_enable(wlc_hw->band->pi, !mute);
+
+ if (!wlc_hw->up) {
+ if (wlc_hw->clk)
+ wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr,
+ chanspec);
+ wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
+ } else {
+ wlc_phy_chanspec_set(wlc_hw->band->pi, chanspec);
+ wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr, chanspec);
+
+ /* Update muting of the channel */
+ brcms_b_mute(wlc_hw, mute, 0);
+ }
+}
+
void brcms_c_set_chanspec(struct brcms_c_info *wlc, chanspec_t chanspec)
{
uint bandunit;
} while (0);
- if (suspend)
- brcms_c_suspend_mac_and_wait(wlc);
+ if (suspend)
+ brcms_c_suspend_mac_and_wait(wlc);
+
+ if (suspend)
+ brcms_c_enable_mac(wlc);
+
+}
+
+void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
+{
+ u16 aci;
+ int i_ac;
+ struct edcf_acparam *edcf_acp;
+
+ struct ieee80211_tx_queue_params txq_pars;
+ struct ieee80211_tx_queue_params *params = &txq_pars;
+
+ /*
+ * AP uses AC params from wme_param_ie_ap.
+ * AP advertises AC params from wme_param_ie.
+ * STA uses AC params from wme_param_ie.
+ */
+
+ edcf_acp = (struct edcf_acparam *) &wlc->wme_param_ie.acparam[0];
+
+ for (i_ac = 0; i_ac < AC_COUNT; i_ac++, edcf_acp++) {
+ /* find out which ac this set of params applies to */
+ aci = (edcf_acp->ACI & EDCF_ACI_MASK) >> EDCF_ACI_SHIFT;
+
+ /* fill in shm ac params struct */
+ params->txop = edcf_acp->TXOP;
+ params->aifs = edcf_acp->ACI;
+
+ /* CWmin = 2^(ECWmin) - 1 */
+ params->cw_min = EDCF_ECW2CW(edcf_acp->ECW & EDCF_ECWMIN_MASK);
+ /* CWmax = 2^(ECWmax) - 1 */
+ params->cw_max = EDCF_ECW2CW((edcf_acp->ECW & EDCF_ECWMAX_MASK)
+ >> EDCF_ECWMAX_SHIFT);
+ brcms_c_wme_setparams(wlc, aci, params, suspend);
+ }
+
+ if (suspend)
+ brcms_c_suspend_mac_and_wait(wlc);
+
+ if (AP_ENAB(wlc->pub) && WME_ENAB(wlc->pub)) {
+ brcms_c_update_beacon(wlc);
+ brcms_c_update_probe_resp(wlc, false);
+ }
+
+ if (suspend)
+ brcms_c_enable_mac(wlc);
+
+}
+
+bool brcms_c_timers_init(struct brcms_c_info *wlc, int unit)
+{
+ wlc->wdtimer = brcms_init_timer(wlc->wl, brcms_c_watchdog_by_timer,
+ wlc, "watchdog");
+ if (!wlc->wdtimer) {
+ wiphy_err(wlc->wiphy, "wl%d: wl_init_timer for wdtimer "
+ "failed\n", unit);
+ goto fail;
+ }
+
+ wlc->radio_timer = brcms_init_timer(wlc->wl, brcms_c_radio_timer,
+ wlc, "radio");
+ if (!wlc->radio_timer) {
+ wiphy_err(wlc->wiphy, "wl%d: wl_init_timer for radio_timer "
+ "failed\n", unit);
+ goto fail;
+ }
+
+ return true;
+
+ fail:
+ return false;
+}
+
+/*
+ * Initialize brcms_c_info default values ...
+ * may get overrides later in this function
+ */
+void brcms_c_info_init(struct brcms_c_info *wlc, int unit)
+{
+ int i;
+ /* Assume the device is there until proven otherwise */
+ wlc->device_present = true;
+
+ /* Save our copy of the chanspec */
+ wlc->chanspec = CH20MHZ_CHSPEC(1);
+
+ /* various 802.11g modes */
+ wlc->shortslot = false;
+ wlc->shortslot_override = BRCMS_SHORTSLOT_AUTO;
+
+ brcms_c_protection_upd(wlc, BRCMS_PROT_G_OVR, BRCMS_PROTECTION_AUTO);
+ brcms_c_protection_upd(wlc, BRCMS_PROT_G_SPEC, false);
+
+ brcms_c_protection_upd(wlc, BRCMS_PROT_N_CFG_OVR,
+ BRCMS_PROTECTION_AUTO);
+ brcms_c_protection_upd(wlc, BRCMS_PROT_N_CFG, BRCMS_N_PROTECTION_OFF);
+ brcms_c_protection_upd(wlc, BRCMS_PROT_N_NONGF_OVR,
+ BRCMS_PROTECTION_AUTO);
+ brcms_c_protection_upd(wlc, BRCMS_PROT_N_NONGF, false);
+ brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR, AUTO);
+
+ brcms_c_protection_upd(wlc, BRCMS_PROT_OVERLAP,
+ BRCMS_PROTECTION_CTL_OVERLAP);
+
+ /* 802.11g draft 4.0 NonERP elt advertisement */
+ wlc->include_legacy_erp = true;
+
+ wlc->stf->ant_rx_ovr = ANT_RX_DIV_DEF;
+ wlc->stf->txant = ANT_TX_DEF;
+
+ wlc->prb_resp_timeout = BRCMS_PRB_RESP_TIMEOUT;
+
+ wlc->usr_fragthresh = DOT11_DEFAULT_FRAG_LEN;
+ for (i = 0; i < NFIFO; i++)
+ wlc->fragthresh[i] = DOT11_DEFAULT_FRAG_LEN;
+ wlc->RTSThresh = DOT11_DEFAULT_RTS_LEN;
+
+ /* default rate fallback retry limits */
+ wlc->SFBL = RETRY_SHORT_FB;
+ wlc->LFBL = RETRY_LONG_FB;
+
+ /* default mac retry limits */
+ wlc->SRL = RETRY_SHORT_DEF;
+ wlc->LRL = RETRY_LONG_DEF;
+
+ /* Set flag to indicate that hw keys should be used when available. */
+ wlc->wsec_swkeys = false;
+
+ /* init the 4 static WEP default keys */
+ for (i = 0; i < WSEC_MAX_DEFAULT_KEYS; i++) {
+ wlc->wsec_keys[i] = wlc->wsec_def_keys[i];
+ wlc->wsec_keys[i]->idx = (u8) i;
+ }
+
+ /* WME QoS mode is Auto by default */
+ wlc->pub->_wme = AUTO;
+
+#ifdef BCMSDIODEV_ENABLED
+ wlc->pub->_priofc = true; /* enable priority flow control for sdio dongle */
+#endif
+
+ wlc->pub->_ampdu = AMPDU_AGG_HOST;
+ wlc->pub->bcmerror = 0;
+ wlc->pub->_coex = ON;
+
+ /* initialize mpc delay */
+ wlc->mpc_delay_off = wlc->mpc_dlycnt = BRCMS_MPC_MIN_DELAYCNT;
+}
+
+static bool brcms_c_state_bmac_sync(struct brcms_c_info *wlc)
+{
+ struct brcms_b_state state_bmac = {0};
+
+ if (brcms_b_state_get(wlc->hw, &state_bmac) != 0)
+ return false;
+
+ wlc->machwcap = state_bmac.machwcap;
+ brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR,
+ (s8) state_bmac.preamble_ovr);
+
+ return true;
+}
+
+static uint brcms_c_attach_module(struct brcms_c_info *wlc)
+{
+ uint err = 0;
+ uint unit;
+ unit = wlc->pub->unit;
+
+ wlc->asi = brcms_c_antsel_attach(wlc);
+ if (wlc->asi == NULL) {
+ wiphy_err(wlc->wiphy, "wl%d: attach: antsel_attach "
+ "failed\n", unit);
+ err = 44;
+ goto fail;
+ }
+
+ wlc->ampdu = brcms_c_ampdu_attach(wlc);
+ if (wlc->ampdu == NULL) {
+ wiphy_err(wlc->wiphy, "wl%d: attach: ampdu_attach "
+ "failed\n", unit);
+ err = 50;
+ goto fail;
+ }
+
+ if ((brcms_c_stf_attach(wlc) != 0)) {
+ wiphy_err(wlc->wiphy, "wl%d: attach: stf_attach "
+ "failed\n", unit);
+ err = 68;
+ goto fail;
+ }
+ fail:
+ return err;
+}
+
+struct brcms_pub *brcms_c_pub(void *wlc)
+{
+ return ((struct brcms_c_info *) wlc)->pub;
+}
+
+#define CHIP_SUPPORTS_11N(wlc) 1
+
+/* low level attach
+ * run backplane attach, init nvram
+ * run phy attach
+ * initialize software state for each core and band
+ * put the whole chip in reset(driver down state), no clock
+ */
+int brcms_b_attach(struct brcms_c_info *wlc, u16 vendor, u16 device, uint unit,
+ bool piomode, void *regsva, uint bustype, void *btparam)
+{
+ struct brcms_hardware *wlc_hw;
+ d11regs_t *regs;
+ char *macaddr = NULL;
+ char *vars;
+ uint err = 0;
+ uint j;
+ bool wme = false;
+ struct shared_phy_params sha_params;
+ struct wiphy *wiphy = wlc->wiphy;
+
+ BCMMSG(wlc->wiphy, "wl%d: vendor 0x%x device 0x%x\n", unit, vendor,
+ device);
- if (suspend)
- brcms_c_enable_mac(wlc);
+ wme = true;
-}
+ wlc_hw = wlc->hw;
+ wlc_hw->wlc = wlc;
+ wlc_hw->unit = unit;
+ wlc_hw->band = wlc_hw->bandstate[0];
+ wlc_hw->_piomode = piomode;
-void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
-{
- u16 aci;
- int i_ac;
- struct edcf_acparam *edcf_acp;
+ /* populate struct brcms_hardware with default values */
+ brcms_b_info_init(wlc_hw);
- struct ieee80211_tx_queue_params txq_pars;
- struct ieee80211_tx_queue_params *params = &txq_pars;
+ /*
+ * Do the hardware portion of the attach.
+ * Also initialize software state that depends on the particular hardware
+ * we are running.
+ */
+ wlc_hw->sih = ai_attach(regsva, bustype, btparam,
+ &wlc_hw->vars, &wlc_hw->vars_size);
+ if (wlc_hw->sih == NULL) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: si_attach failed\n",
+ unit);
+ err = 11;
+ goto fail;
+ }
+ vars = wlc_hw->vars;
/*
- * AP uses AC params from wme_param_ie_ap.
- * AP advertises AC params from wme_param_ie.
- * STA uses AC params from wme_param_ie.
+ * Get vendid/devid nvram overwrites, which could be different
+ * than those the BIOS recognizes for devices on PCMCIA_BUS,
+ * SDIO_BUS, and SROMless devices on PCI_BUS.
*/
+#ifdef BCMBUSTYPE
+ bustype = BCMBUSTYPE;
+#endif
+ if (bustype != SI_BUS) {
+ char *var;
- edcf_acp = (struct edcf_acparam *) &wlc->wme_param_ie.acparam[0];
+ var = getvar(vars, "vendid");
+ if (var) {
+ vendor = (u16) simple_strtoul(var, NULL, 0);
+ wiphy_err(wiphy, "Overriding vendor id = 0x%x\n",
+ vendor);
+ }
+ var = getvar(vars, "devid");
+ if (var) {
+ u16 devid = (u16) simple_strtoul(var, NULL, 0);
+ if (devid != 0xffff) {
+ device = devid;
+ wiphy_err(wiphy, "Overriding device id = 0x%x"
+ "\n", device);
+ }
+ }
- for (i_ac = 0; i_ac < AC_COUNT; i_ac++, edcf_acp++) {
- /* find out which ac this set of params applies to */
- aci = (edcf_acp->ACI & EDCF_ACI_MASK) >> EDCF_ACI_SHIFT;
+ /* verify again the device is supported */
+ if (!brcms_c_chipmatch(vendor, device)) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: Unsupported "
+ "vendor/device (0x%x/0x%x)\n",
+ unit, vendor, device);
+ err = 12;
+ goto fail;
+ }
+ }
- /* fill in shm ac params struct */
- params->txop = edcf_acp->TXOP;
- params->aifs = edcf_acp->ACI;
+ wlc_hw->vendorid = vendor;
+ wlc_hw->deviceid = device;
- /* CWmin = 2^(ECWmin) - 1 */
- params->cw_min = EDCF_ECW2CW(edcf_acp->ECW & EDCF_ECWMIN_MASK);
- /* CWmax = 2^(ECWmax) - 1 */
- params->cw_max = EDCF_ECW2CW((edcf_acp->ECW & EDCF_ECWMAX_MASK)
- >> EDCF_ECWMAX_SHIFT);
- brcms_c_wme_setparams(wlc, aci, params, suspend);
- }
+ /* set bar0 window to point at D11 core */
+ wlc_hw->regs = (d11regs_t *) ai_setcore(wlc_hw->sih, D11_CORE_ID, 0);
+ wlc_hw->corerev = ai_corerev(wlc_hw->sih);
- if (suspend)
- brcms_c_suspend_mac_and_wait(wlc);
+ regs = wlc_hw->regs;
- if (AP_ENAB(wlc->pub) && WME_ENAB(wlc->pub)) {
- brcms_c_update_beacon(wlc);
- brcms_c_update_probe_resp(wlc, false);
+ wlc->regs = wlc_hw->regs;
+
+ /* validate chip, chiprev and corerev */
+ if (!brcms_c_isgoodchip(wlc_hw)) {
+ err = 13;
+ goto fail;
}
- if (suspend)
- brcms_c_enable_mac(wlc);
+ /* initialize power control registers */
+ ai_clkctl_init(wlc_hw->sih);
-}
+ /* request fastclock and force fastclock for the rest of attach
+ * bring the d11 core out of reset.
+ * For PMU chips, the first wlc_clkctl_clk is no-op since core-clk is still false;
+ * But it will be called again inside wlc_corereset, after d11 is out of reset.
+ */
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
-bool brcms_c_timers_init(struct brcms_c_info *wlc, int unit)
-{
- wlc->wdtimer = brcms_init_timer(wlc->wl, brcms_c_watchdog_by_timer,
- wlc, "watchdog");
- if (!wlc->wdtimer) {
- wiphy_err(wlc->wiphy, "wl%d: wl_init_timer for wdtimer "
- "failed\n", unit);
+ if (!brcms_b_validate_chip_access(wlc_hw)) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: validate_chip_access "
+ "failed\n", unit);
+ err = 14;
goto fail;
}
- wlc->radio_timer = brcms_init_timer(wlc->wl, brcms_c_radio_timer,
- wlc, "radio");
- if (!wlc->radio_timer) {
- wiphy_err(wlc->wiphy, "wl%d: wl_init_timer for radio_timer "
- "failed\n", unit);
+ /* get the board rev, used just below */
+ j = getintvar(vars, "boardrev");
+ /* promote srom boardrev of 0xFF to 1 */
+ if (j == BOARDREV_PROMOTABLE)
+ j = BOARDREV_PROMOTED;
+ wlc_hw->boardrev = (u16) j;
+ if (!brcms_c_validboardtype(wlc_hw)) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: Unsupported Broadcom "
+ "board type (0x%x)" " or revision level (0x%x)\n",
+ unit, wlc_hw->sih->boardtype, wlc_hw->boardrev);
+ err = 15;
goto fail;
}
+ wlc_hw->sromrev = (u8) getintvar(vars, "sromrev");
+ wlc_hw->boardflags = (u32) getintvar(vars, "boardflags");
+ wlc_hw->boardflags2 = (u32) getintvar(vars, "boardflags2");
- return true;
+ if (wlc_hw->boardflags & BFL_NOPLLDOWN)
+ brcms_b_pllreq(wlc_hw, true, BRCMS_PLLREQ_SHARED);
- fail:
- return false;
-}
+ if ((wlc_hw->sih->bustype == PCI_BUS)
+ && (ai_pci_war16165(wlc_hw->sih)))
+ wlc->war16165 = true;
-/*
- * Initialize brcms_c_info default values ...
- * may get overrides later in this function
- */
-void brcms_c_info_init(struct brcms_c_info *wlc, int unit)
-{
- int i;
- /* Assume the device is there until proven otherwise */
- wlc->device_present = true;
+ /* check device id(srom, nvram etc.) to set bands */
+ if (wlc_hw->deviceid == BCM43224_D11N_ID ||
+ wlc_hw->deviceid == BCM43224_D11N_ID_VEN1) {
+ /* Dualband boards */
+ wlc_hw->_nbands = 2;
+ } else
+ wlc_hw->_nbands = 1;
- /* Save our copy of the chanspec */
- wlc->chanspec = CH20MHZ_CHSPEC(1);
+ if ((wlc_hw->sih->chip == BCM43225_CHIP_ID))
+ wlc_hw->_nbands = 1;
- /* various 802.11g modes */
- wlc->shortslot = false;
- wlc->shortslot_override = BRCMS_SHORTSLOT_AUTO;
+ /* BMAC_NOTE: remove init of pub values when brcms_c_attach()
+ * unconditionally does the init of these values
+ */
+ wlc->vendorid = wlc_hw->vendorid;
+ wlc->deviceid = wlc_hw->deviceid;
+ wlc->pub->sih = wlc_hw->sih;
+ wlc->pub->corerev = wlc_hw->corerev;
+ wlc->pub->sromrev = wlc_hw->sromrev;
+ wlc->pub->boardrev = wlc_hw->boardrev;
+ wlc->pub->boardflags = wlc_hw->boardflags;
+ wlc->pub->boardflags2 = wlc_hw->boardflags2;
+ wlc->pub->_nbands = wlc_hw->_nbands;
- brcms_c_protection_upd(wlc, BRCMS_PROT_G_OVR, BRCMS_PROTECTION_AUTO);
- brcms_c_protection_upd(wlc, BRCMS_PROT_G_SPEC, false);
+ wlc_hw->physhim = wlc_phy_shim_attach(wlc_hw, wlc->wl, wlc);
- brcms_c_protection_upd(wlc, BRCMS_PROT_N_CFG_OVR,
- BRCMS_PROTECTION_AUTO);
- brcms_c_protection_upd(wlc, BRCMS_PROT_N_CFG, BRCMS_N_PROTECTION_OFF);
- brcms_c_protection_upd(wlc, BRCMS_PROT_N_NONGF_OVR,
- BRCMS_PROTECTION_AUTO);
- brcms_c_protection_upd(wlc, BRCMS_PROT_N_NONGF, false);
- brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR, AUTO);
+ if (wlc_hw->physhim == NULL) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: wlc_phy_shim_attach "
+ "failed\n", unit);
+ err = 25;
+ goto fail;
+ }
- brcms_c_protection_upd(wlc, BRCMS_PROT_OVERLAP,
- BRCMS_PROTECTION_CTL_OVERLAP);
+ /* pass all the parameters to wlc_phy_shared_attach in one struct */
+ sha_params.sih = wlc_hw->sih;
+ sha_params.physhim = wlc_hw->physhim;
+ sha_params.unit = unit;
+ sha_params.corerev = wlc_hw->corerev;
+ sha_params.vars = vars;
+ sha_params.vid = wlc_hw->vendorid;
+ sha_params.did = wlc_hw->deviceid;
+ sha_params.chip = wlc_hw->sih->chip;
+ sha_params.chiprev = wlc_hw->sih->chiprev;
+ sha_params.chippkg = wlc_hw->sih->chippkg;
+ sha_params.sromrev = wlc_hw->sromrev;
+ sha_params.boardtype = wlc_hw->sih->boardtype;
+ sha_params.boardrev = wlc_hw->boardrev;
+ sha_params.boardvendor = wlc_hw->sih->boardvendor;
+ sha_params.boardflags = wlc_hw->boardflags;
+ sha_params.boardflags2 = wlc_hw->boardflags2;
+ sha_params.bustype = wlc_hw->sih->bustype;
+ sha_params.buscorerev = wlc_hw->sih->buscorerev;
- /* 802.11g draft 4.0 NonERP elt advertisement */
- wlc->include_legacy_erp = true;
+ /* alloc and save pointer to shared phy state area */
+ wlc_hw->phy_sh = wlc_phy_shared_attach(&sha_params);
+ if (!wlc_hw->phy_sh) {
+ err = 16;
+ goto fail;
+ }
+
+ /* initialize software state for each core and band */
+ for (j = 0; j < NBANDS_HW(wlc_hw); j++) {
+ /*
+ * band0 is always 2.4Ghz
+ * band1, if present, is 5Ghz
+ */
- wlc->stf->ant_rx_ovr = ANT_RX_DIV_DEF;
- wlc->stf->txant = ANT_TX_DEF;
+ /* So if this is a single band 11a card, use band 1 */
+ if (IS_SINGLEBAND_5G(wlc_hw->deviceid))
+ j = BAND_5G_INDEX;
- wlc->prb_resp_timeout = BRCMS_PRB_RESP_TIMEOUT;
+ brcms_c_setxband(wlc_hw, j);
- wlc->usr_fragthresh = DOT11_DEFAULT_FRAG_LEN;
- for (i = 0; i < NFIFO; i++)
- wlc->fragthresh[i] = DOT11_DEFAULT_FRAG_LEN;
- wlc->RTSThresh = DOT11_DEFAULT_RTS_LEN;
+ wlc_hw->band->bandunit = j;
+ wlc_hw->band->bandtype = j ? BRCM_BAND_5G : BRCM_BAND_2G;
+ wlc->band->bandunit = j;
+ wlc->band->bandtype = j ? BRCM_BAND_5G : BRCM_BAND_2G;
+ wlc->core->coreidx = ai_coreidx(wlc_hw->sih);
- /* default rate fallback retry limits */
- wlc->SFBL = RETRY_SHORT_FB;
- wlc->LFBL = RETRY_LONG_FB;
+ wlc_hw->machwcap = R_REG(®s->machwcap);
+ wlc_hw->machwcap_backup = wlc_hw->machwcap;
- /* default mac retry limits */
- wlc->SRL = RETRY_SHORT_DEF;
- wlc->LRL = RETRY_LONG_DEF;
+ /* init tx fifo size */
+ wlc_hw->xmtfifo_sz =
+ xmtfifo_sz[(wlc_hw->corerev - XMTFIFOTBL_STARTREV)];
- /* Set flag to indicate that hw keys should be used when available. */
- wlc->wsec_swkeys = false;
+ /* Get a phy for this band */
+ wlc_hw->band->pi = wlc_phy_attach(wlc_hw->phy_sh,
+ (void *)regs, brcms_b_bandtype(wlc_hw), vars,
+ wlc->wiphy);
+ if (wlc_hw->band->pi == NULL) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: wlc_phy_"
+ "attach failed\n", unit);
+ err = 17;
+ goto fail;
+ }
- /* init the 4 static WEP default keys */
- for (i = 0; i < WSEC_MAX_DEFAULT_KEYS; i++) {
- wlc->wsec_keys[i] = wlc->wsec_def_keys[i];
- wlc->wsec_keys[i]->idx = (u8) i;
- }
+ wlc_phy_machwcap_set(wlc_hw->band->pi, wlc_hw->machwcap);
- /* WME QoS mode is Auto by default */
- wlc->pub->_wme = AUTO;
+ wlc_phy_get_phyversion(wlc_hw->band->pi, &wlc_hw->band->phytype,
+ &wlc_hw->band->phyrev,
+ &wlc_hw->band->radioid,
+ &wlc_hw->band->radiorev);
+ wlc_hw->band->abgphy_encore =
+ wlc_phy_get_encore(wlc_hw->band->pi);
+ wlc->band->abgphy_encore = wlc_phy_get_encore(wlc_hw->band->pi);
+ wlc_hw->band->core_flags =
+ wlc_phy_get_coreflags(wlc_hw->band->pi);
-#ifdef BCMSDIODEV_ENABLED
- wlc->pub->_priofc = true; /* enable priority flow control for sdio dongle */
-#endif
+ /* verify good phy_type & supported phy revision */
+ if (BRCMS_ISNPHY(wlc_hw->band)) {
+ if (NCONF_HAS(wlc_hw->band->phyrev))
+ goto good_phy;
+ else
+ goto bad_phy;
+ } else if (BRCMS_ISLCNPHY(wlc_hw->band)) {
+ if (LCNCONF_HAS(wlc_hw->band->phyrev))
+ goto good_phy;
+ else
+ goto bad_phy;
+ } else {
+ bad_phy:
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: unsupported "
+ "phy type/rev (%d/%d)\n", unit,
+ wlc_hw->band->phytype, wlc_hw->band->phyrev);
+ err = 18;
+ goto fail;
+ }
- wlc->pub->_ampdu = AMPDU_AGG_HOST;
- wlc->pub->bcmerror = 0;
- wlc->pub->_coex = ON;
+ good_phy:
+ /* BMAC_NOTE: wlc->band->pi should not be set below and should be done in the
+ * high level attach. However we can not make that change until all low level access
+ * is changed to wlc_hw->band->pi. Instead do the wlc->band->pi init below, keeping
+ * wlc_hw->band->pi as well for incremental update of low level fns, and cut over
+ * low only init when all fns updated.
+ */
+ wlc->band->pi = wlc_hw->band->pi;
+ wlc->band->phytype = wlc_hw->band->phytype;
+ wlc->band->phyrev = wlc_hw->band->phyrev;
+ wlc->band->radioid = wlc_hw->band->radioid;
+ wlc->band->radiorev = wlc_hw->band->radiorev;
- /* initialize mpc delay */
- wlc->mpc_delay_off = wlc->mpc_dlycnt = BRCMS_MPC_MIN_DELAYCNT;
-}
+ /* default contention windows size limits */
+ wlc_hw->band->CWmin = APHY_CWMIN;
+ wlc_hw->band->CWmax = PHY_CWMAX;
-static bool brcms_c_state_bmac_sync(struct brcms_c_info *wlc)
-{
- struct brcms_b_state state_bmac = {0};
+ if (!brcms_b_attach_dmapio(wlc, j, wme)) {
+ err = 19;
+ goto fail;
+ }
+ }
- if (brcms_b_state_get(wlc->hw, &state_bmac) != 0)
- return false;
+ /* disable core to match driver "down" state */
+ brcms_c_coredisable(wlc_hw);
- wlc->machwcap = state_bmac.machwcap;
- brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR,
- (s8) state_bmac.preamble_ovr);
+ /* Match driver "down" state */
+ if (wlc_hw->sih->bustype == PCI_BUS)
+ ai_pci_down(wlc_hw->sih);
- return true;
-}
+ /* register sb interrupt callback functions */
+ ai_register_intr_callback(wlc_hw->sih, (void *)brcms_c_wlintrsoff,
+ (void *)brcms_c_wlintrsrestore, NULL, wlc);
-static uint brcms_c_attach_module(struct brcms_c_info *wlc)
-{
- uint err = 0;
- uint unit;
- unit = wlc->pub->unit;
+ /* turn off pll and xtal to match driver "down" state */
+ brcms_b_xtal(wlc_hw, OFF);
- wlc->asi = brcms_c_antsel_attach(wlc);
- if (wlc->asi == NULL) {
- wiphy_err(wlc->wiphy, "wl%d: attach: antsel_attach "
- "failed\n", unit);
- err = 44;
- goto fail;
- }
+ /* *********************************************************************
+ * The hardware is in the DOWN state at this point. D11 core
+ * or cores are in reset with clocks off, and the board PLLs
+ * are off if possible.
+ *
+ * Beyond this point, wlc->sbclk == false and chip registers
+ * should not be touched.
+ *********************************************************************
+ */
- wlc->ampdu = brcms_c_ampdu_attach(wlc);
- if (wlc->ampdu == NULL) {
- wiphy_err(wlc->wiphy, "wl%d: attach: ampdu_attach "
- "failed\n", unit);
- err = 50;
+ /* init etheraddr state variables */
+ macaddr = brcms_c_get_macaddr(wlc_hw);
+ if (macaddr == NULL) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: macaddr not found\n",
+ unit);
+ err = 21;
goto fail;
}
-
- if ((brcms_c_stf_attach(wlc) != 0)) {
- wiphy_err(wlc->wiphy, "wl%d: attach: stf_attach "
- "failed\n", unit);
- err = 68;
+ brcmu_ether_atoe(macaddr, wlc_hw->etheraddr);
+ if (is_broadcast_ether_addr(wlc_hw->etheraddr) ||
+ is_zero_ether_addr(wlc_hw->etheraddr)) {
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: bad macaddr %s\n",
+ unit, macaddr);
+ err = 22;
goto fail;
}
- fail:
+
+ BCMMSG(wlc->wiphy,
+ "deviceid 0x%x nbands %d board 0x%x macaddr: %s\n",
+ wlc_hw->deviceid, wlc_hw->_nbands,
+ wlc_hw->sih->boardtype, macaddr);
+
return err;
-}
-struct brcms_pub *brcms_c_pub(void *wlc)
-{
- return ((struct brcms_c_info *) wlc)->pub;
+ fail:
+ wiphy_err(wiphy, "wl%d: brcms_b_attach: failed with err %d\n", unit,
+ err);
+ return err;
}
-#define CHIP_SUPPORTS_11N(wlc) 1
-
/*
* The common driver entry routine. Error codes should be unique
*/
brcms_c_stf_detach(wlc);
}
+/*
+ * low level detach
+ */
+int brcms_b_detach(struct brcms_c_info *wlc)
+{
+ uint i;
+ struct brcms_hw_band *band;
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ int callbacks;
+
+ callbacks = 0;
+
+ if (wlc_hw->sih) {
+ /* detach interrupt sync mechanism since interrupt is disabled and per-port
+ * interrupt object may has been freed. this must be done before sb core switch
+ */
+ ai_deregister_intr_callback(wlc_hw->sih);
+
+ if (wlc_hw->sih->bustype == PCI_BUS)
+ ai_pci_sleep(wlc_hw->sih);
+ }
+
+ brcms_b_detach_dmapio(wlc_hw);
+
+ band = wlc_hw->band;
+ for (i = 0; i < NBANDS_HW(wlc_hw); i++) {
+ if (band->pi) {
+ /* Detach this band's phy */
+ wlc_phy_detach(band->pi);
+ band->pi = NULL;
+ }
+ band = wlc_hw->bandstate[OTHERBANDUNIT(wlc)];
+ }
+
+ /* Free shared phy state */
+ kfree(wlc_hw->phy_sh);
+
+ wlc_phy_shim_detach(wlc_hw->physhim);
+
+ /* free vars */
+ kfree(wlc_hw->vars);
+ wlc_hw->vars = NULL;
+
+ if (wlc_hw->sih) {
+ ai_detach(wlc_hw->sih);
+ wlc_hw->sih = NULL;
+ }
+
+ return callbacks;
+
+}
+
/*
* Return a count of the number of driver callbacks still pending.
*
return true;
}
-bool brcms_c_radio_monitor_stop(struct brcms_c_info *wlc)
-{
- if (!wlc->radio_monitor)
- return true;
+bool brcms_c_radio_monitor_stop(struct brcms_c_info *wlc)
+{
+ if (!wlc->radio_monitor)
+ return true;
+
+ wlc->radio_monitor = false;
+ brcms_c_pllreq(wlc, false, BRCMS_PLLREQ_RADIO_MON);
+ return brcms_del_timer(wlc->wl, wlc->radio_timer);
+}
+
+/* common low-level watchdog code */
+void brcms_b_watchdog(void *arg)
+{
+ struct brcms_c_info *wlc = (struct brcms_c_info *) arg;
+ struct brcms_hardware *wlc_hw = wlc->hw;
+
+ BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ if (!wlc_hw->up)
+ return;
+
+ /* increment second count */
+ wlc_hw->now++;
- wlc->radio_monitor = false;
- brcms_c_pllreq(wlc, false, BRCMS_PLLREQ_RADIO_MON);
- return brcms_del_timer(wlc->wl, wlc->radio_timer);
+ /* Check for FIFO error interrupts */
+ brcms_b_fifoerrors(wlc_hw);
+
+ /* make sure RX dma has buffers */
+ dma_rxfill(wlc->hw->di[RX_FIFO]);
+
+ wlc_phy_watchdog(wlc_hw->band->pi);
}
static void brcms_c_watchdog_by_timer(void *arg)
}
}
+/* Initialize just the hardware when coming out of POR or S3/S5 system states */
+void brcms_b_hw_up(struct brcms_hardware *wlc_hw)
+{
+ if (wlc_hw->wlc->pub->hw_up)
+ return;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ /*
+ * Enable pll and xtal, initialize the power control registers,
+ * and force fastclock for the remainder of brcms_c_up().
+ */
+ brcms_b_xtal(wlc_hw, ON);
+ ai_clkctl_init(wlc_hw->sih);
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+
+ if (wlc_hw->sih->bustype == PCI_BUS) {
+ ai_pci_fixcfg(wlc_hw->sih);
+
+ /* AI chip doesn't restore bar0win2 on hibernation/resume, need sw fixup */
+ if ((wlc_hw->sih->chip == BCM43224_CHIP_ID) ||
+ (wlc_hw->sih->chip == BCM43225_CHIP_ID))
+ wlc_hw->regs =
+ (d11regs_t *) ai_setcore(wlc_hw->sih, D11_CORE_ID,
+ 0);
+ }
+
+ /* Inform phy that a POR reset has occurred so it does a complete phy init */
+ wlc_phy_por_inform(wlc_hw->band->pi);
+
+ wlc_hw->ucode_loaded = false;
+ wlc_hw->wlc->pub->hw_up = true;
+
+ if ((wlc_hw->boardflags & BFL_FEM)
+ && (wlc_hw->sih->chip == BCM4313_CHIP_ID)) {
+ if (!
+ (wlc_hw->boardrev >= 0x1250
+ && (wlc_hw->boardflags & BFL_FEM_BT)))
+ ai_epa_4313war(wlc_hw->sih);
+ }
+}
+
+int brcms_b_up_prep(struct brcms_hardware *wlc_hw)
+{
+ uint coremask;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ /*
+ * Enable pll and xtal, initialize the power control registers,
+ * and force fastclock for the remainder of brcms_c_up().
+ */
+ brcms_b_xtal(wlc_hw, ON);
+ ai_clkctl_init(wlc_hw->sih);
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+
+ /*
+ * Configure pci/pcmcia here instead of in brcms_c_attach()
+ * to allow mfg hotswap: down, hotswap (chip power cycle), up.
+ */
+ coremask = (1 << wlc_hw->wlc->core->coreidx);
+
+ if (wlc_hw->sih->bustype == PCI_BUS)
+ ai_pci_setup(wlc_hw->sih, coremask);
+
+ /*
+ * Need to read the hwradio status here to cover the case where the system
+ * is loaded with the hw radio disabled. We do not want to bring the driver up in this case.
+ */
+ if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
+ /* put SB PCI in down state again */
+ if (wlc_hw->sih->bustype == PCI_BUS)
+ ai_pci_down(wlc_hw->sih);
+ brcms_b_xtal(wlc_hw, OFF);
+ return -ENOMEDIUM;
+ }
+
+ if (wlc_hw->sih->bustype == PCI_BUS)
+ ai_pci_up(wlc_hw->sih);
+
+ /* reset the d11 core */
+ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
+
+ return 0;
+}
+
+int brcms_b_up_finish(struct brcms_hardware *wlc_hw)
+{
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ wlc_hw->up = true;
+ wlc_phy_hw_state_upd(wlc_hw->band->pi, true);
+
+ /* FULLY enable dynamic power control and d11 core interrupt */
+ brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
+ brcms_intrson(wlc_hw->wlc->wl);
+ return 0;
+}
+
/* make interface operational */
int brcms_c_up(struct brcms_c_info *wlc)
{
return callbacks;
}
+int brcms_b_bmac_down_prep(struct brcms_hardware *wlc_hw)
+{
+ bool dev_gone;
+ uint callbacks = 0;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ if (!wlc_hw->up)
+ return callbacks;
+
+ dev_gone = DEVICEREMOVED(wlc_hw->wlc);
+
+ /* disable interrupts */
+ if (dev_gone)
+ wlc_hw->wlc->macintmask = 0;
+ else {
+ /* now disable interrupts */
+ brcms_intrsoff(wlc_hw->wlc->wl);
+
+ /* ensure we're running on the pll clock again */
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+ }
+ /* down phy at the last of this stage */
+ callbacks += wlc_phy_down(wlc_hw->band->pi);
+
+ return callbacks;
+}
+
+int brcms_b_down_finish(struct brcms_hardware *wlc_hw)
+{
+ uint callbacks = 0;
+ bool dev_gone;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ if (!wlc_hw->up)
+ return callbacks;
+
+ wlc_hw->up = false;
+ wlc_phy_hw_state_upd(wlc_hw->band->pi, false);
+
+ dev_gone = DEVICEREMOVED(wlc_hw->wlc);
+
+ if (dev_gone) {
+ wlc_hw->sbclk = false;
+ wlc_hw->clk = false;
+ wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
+
+ /* reclaim any posted packets */
+ brcms_c_flushqueues(wlc_hw->wlc);
+ } else {
+
+ /* Reset and disable the core */
+ if (ai_iscoreup(wlc_hw->sih)) {
+ if (R_REG(&wlc_hw->regs->maccontrol) &
+ MCTL_EN_MAC)
+ brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
+ callbacks += brcms_reset(wlc_hw->wlc->wl);
+ brcms_c_coredisable(wlc_hw);
+ }
+
+ /* turn off primary xtal and pll */
+ if (!wlc_hw->noreset) {
+ if (wlc_hw->sih->bustype == PCI_BUS)
+ ai_pci_down(wlc_hw->sih);
+ brcms_b_xtal(wlc_hw, OFF);
+ }
+ }
+
+ return callbacks;
+}
+
/*
* Mark the interface nonoperational, stop the software mechanisms,
* disable the hardware, free any transient buffer state.
}
#endif /* defined(BCMDBG) */
+u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate)
+{
+ u16 table_ptr;
+ u8 phy_rate, index;
+
+ /* get the phy specific rate encoding for the PLCP SIGNAL field */
+ if (IS_OFDM(rate))
+ table_ptr = M_RT_DIRMAP_A;
+ else
+ table_ptr = M_RT_DIRMAP_B;
+
+ /* for a given rate, the LS-nibble of the PLCP SIGNAL field is
+ * the index into the rate table.
+ */
+ phy_rate = rate_info[rate] & BRCMS_RATE_MASK;
+ index = phy_rate & 0xf;
+
+ /* Find the SHM pointer to the rate table entry by looking in the
+ * Direct-map Table
+ */
+ return 2 * brcms_b_read_shm(wlc_hw, table_ptr + (index * 2));
+}
+
static u16 brcms_c_rate_shm_offset(struct brcms_c_info *wlc, u8 rate)
{
return brcms_b_rate_shm_offset(wlc->hw, rate);
(wlc->bcn_li_dtim << 8) | wlc->bcn_li_bcn);
}
+void
+brcms_b_read_tsf(struct brcms_hardware *wlc_hw, u32 *tsf_l_ptr,
+ u32 *tsf_h_ptr)
+{
+ d11regs_t *regs = wlc_hw->regs;
+
+ /* read the tsf timer low, then high to get an atomic read */
+ *tsf_l_ptr = R_REG(®s->tsf_timerlow);
+ *tsf_h_ptr = R_REG(®s->tsf_timerhigh);
+
+ return;
+}
+
/*
* recover 64bit TSF value from the 16bit TSF value in the rx header
* given the assumption that the TSF passed in header is within 65ms
return TXOFF;
}
+/* mac is assumed to be suspended at this point */
+void
+brcms_b_write_hw_bcntemplates(struct brcms_hardware *wlc_hw, void *bcn,
+ int len, bool both)
+{
+ d11regs_t *regs = wlc_hw->regs;
+
+ if (both) {
+ brcms_c_write_hw_bcntemplate0(wlc_hw, bcn, len);
+ brcms_c_write_hw_bcntemplate1(wlc_hw, bcn, len);
+ } else {
+ /* bcn 0 */
+ if (!(R_REG(®s->maccommand) & MCMD_BCN0VLD))
+ brcms_c_write_hw_bcntemplate0(wlc_hw, bcn, len);
+ /* bcn 1 */
+ else if (!
+ (R_REG(®s->maccommand) & MCMD_BCN1VLD))
+ brcms_c_write_hw_bcntemplate1(wlc_hw, bcn, len);
+ }
+}
+
/* Update a beacon for a particular BSS
* For MBSS, this updates the software template and sets "latest" to the index of the
* template updated.
brcms_b_mhf(wlc->hw, idx, mask, val, bands);
}
+int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
+ uint *blocks)
+{
+ if (fifo >= NFIFO)
+ return -EINVAL;
+
+ *blocks = wlc_hw->xmtfifo_sz[fifo];
+
+ return 0;
+}
+
int brcms_c_xmtfifo_sz_get(struct brcms_c_info *wlc, uint fifo, uint *blocks)
{
return brcms_b_xmtfifo_sz_get(wlc->hw, fifo, blocks);
projects / ~emulex / infiniband.git / commitdiff