Future goal is to merge the bmac layer in the driver with the 'common' layer.
A step towards this goal is to have one file containing both bmac and common
code. Header files (bmac.h, main.h) were also merged.
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
alloc.o \
ampdu.o \
antsel.o \
- bmac.o \
channel.o \
main.o \
phy_shim.o \
#include <net/mac80211.h>
#include "types.h"
-#include "bmac.h"
#include "main.h"
#include "phy_shim.h"
#include "antsel.h"
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-#include <linux/pci.h>
-#include <net/mac80211.h>
-
-#include <brcm_hw_ids.h>
-#include <aiutils.h>
-#include <chipcommon.h>
-#include "types.h"
-#include "rate.h"
-#include "phy/phy_hal.h"
-#include "channel.h"
-#include "main.h"
-#include "ucode_loader.h"
-#include "mac80211_if.h"
-#include "bmac.h"
-
-#define TIMER_INTERVAL_WATCHDOG_BMAC 1000 /* watchdog timer, in unit of ms */
-
-#define SYNTHPU_DLY_APHY_US 3700 /* a phy synthpu_dly time in us */
-#define SYNTHPU_DLY_BPHY_US 1050 /* b/g phy synthpu_dly time in us, default */
-#define SYNTHPU_DLY_NPHY_US 2048 /* n phy REV3 synthpu_dly time in us, default */
-#define SYNTHPU_DLY_LPPHY_US 300 /* lpphy synthpu_dly time in us */
-
-#define SYNTHPU_DLY_PHY_US_QT 100 /* QT synthpu_dly time in us */
-
-#ifndef BMAC_DUP_TO_REMOVE
-
-#define ANTCNT 10 /* vanilla M_MAX_ANTCNT value */
-
-#endif /* BMAC_DUP_TO_REMOVE */
-
-#define DMAREG(wlc_hw, direction, fifonum) \
- ((direction == DMA_TX) ? \
- (void *)&(wlc_hw->regs->fifo64regs[fifonum].dmaxmt) : \
- (void *)&(wlc_hw->regs->fifo64regs[fifonum].dmarcv))
-
-#define APHY_SLOT_TIME 9
-#define BPHY_SLOT_TIME 20
-
-/*
- * The following table lists the buffer memory allocated to xmt fifos in HW.
- * the size is in units of 256bytes(one block), total size is HW dependent
- * ucode has default fifo partition, sw can overwrite if necessary
- *
- * This is documented in twiki under the topic UcodeTxFifo. Please ensure
- * the twiki is updated before making changes.
- */
-
-#define XMTFIFOTBL_STARTREV 20 /* Starting corerev for the fifo size table */
-
-static u16 xmtfifo_sz[][NFIFO] = {
- {20, 192, 192, 21, 17, 5}, /* corerev 20: 5120, 49152, 49152, 5376, 4352, 1280 */
- {9, 58, 22, 14, 14, 5}, /* corerev 21: 2304, 14848, 5632, 3584, 3584, 1280 */
- {20, 192, 192, 21, 17, 5}, /* corerev 22: 5120, 49152, 49152, 5376, 4352, 1280 */
- {20, 192, 192, 21, 17, 5}, /* corerev 23: 5120, 49152, 49152, 5376, 4352, 1280 */
- {9, 58, 22, 14, 14, 5}, /* corerev 24: 2304, 14848, 5632, 3584, 3584, 1280 */
-};
-
-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,
- const struct d11init *inits);
-static void brcms_ucode_write(struct brcms_hardware *wlc_hw, const u32 ucode[],
- const uint nbytes);
-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_c_write_mhf(struct brcms_hardware *wlc_hw, u16 *mhfs);
-static void brcms_c_mctrl_reset(struct brcms_hardware *wlc_hw);
-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);
-
-/* Low Level Prototypes */
-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 u16 brcms_b_read_objmem(struct brcms_hardware *wlc_hw, uint offset,
- u32 sel);
-static void brcms_b_write_objmem(struct brcms_hardware *wlc_hw, uint offset,
- u16 v, u32 sel);
-static void brcms_b_core_phy_clk(struct brcms_hardware *wlc_hw, bool clk);
-static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme);
-static void brcms_b_detach_dmapio(struct brcms_hardware *wlc_hw);
-static void brcms_c_ucode_bsinit(struct brcms_hardware *wlc_hw);
-static bool brcms_c_validboardtype(struct brcms_hardware *wlc);
-static bool brcms_c_isgoodchip(struct brcms_hardware *wlc_hw);
-static bool brcms_b_validate_chip_access(struct brcms_hardware *wlc_hw);
-static char *brcms_c_get_macaddr(struct brcms_hardware *wlc_hw);
-static void brcms_c_mhfdef(struct brcms_c_info *wlc, u16 *mhfs, u16 mhf2_init);
-static void brcms_c_mctrl_write(struct brcms_hardware *wlc_hw);
-static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool want,
- mbool flags);
-static void brcms_c_ucode_mute_override_set(struct brcms_hardware *wlc_hw);
-static void brcms_c_ucode_mute_override_clear(struct brcms_hardware *wlc_hw);
-static u32 brcms_c_wlintrsoff(struct brcms_c_info *wlc);
-static void brcms_c_wlintrsrestore(struct brcms_c_info *wlc, u32 macintmask);
-static void brcms_c_gpio_init(struct brcms_c_info *wlc);
-static void brcms_c_write_hw_bcntemplate0(struct brcms_hardware *wlc_hw,
- void *bcn, int len);
-static void brcms_c_write_hw_bcntemplate1(struct brcms_hardware *wlc_hw,
- void *bcn, int len);
-static void brcms_b_bsinit(struct brcms_c_info *wlc, chanspec_t chanspec);
-static u32 brcms_c_setband_inact(struct brcms_c_info *wlc, uint bandunit);
-static void brcms_b_setband(struct brcms_hardware *wlc_hw, uint bandunit,
- chanspec_t chanspec);
-static void brcms_b_update_slot_timing(struct brcms_hardware *wlc_hw,
- bool shortslot);
-static void brcms_upd_ofdm_pctl1_table(struct brcms_hardware *wlc_hw);
-static u16 brcms_b_ofdm_ratetable_offset(struct brcms_hardware *wlc_hw,
- u8 rate);
-
-/* === 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)
- * The PSM needs to be suspended for this call.
- */
-static void brcms_b_update_slot_timing(struct brcms_hardware *wlc_hw,
- bool shortslot)
-{
- d11regs_t *regs;
-
- regs = wlc_hw->regs;
-
- if (shortslot) {
- /* 11g short slot: 11a timing */
- W_REG(®s->ifs_slot, 0x0207); /* APHY_SLOT_TIME */
- brcms_b_write_shm(wlc_hw, M_DOT11_SLOT, APHY_SLOT_TIME);
- } else {
- /* 11g long slot: 11b timing */
- W_REG(®s->ifs_slot, 0x0212); /* BPHY_SLOT_TIME */
- brcms_b_write_shm(wlc_hw, M_DOT11_SLOT, BPHY_SLOT_TIME);
- }
-}
-
-static void brcms_c_ucode_bsinit(struct brcms_hardware *wlc_hw)
-{
- struct wiphy *wiphy = wlc_hw->wlc->wiphy;
-
- /* init microcode host flags */
- brcms_c_write_mhf(wlc_hw, wlc_hw->band->mhfs);
-
- /* do band-specific ucode IHR, SHM, and SCR inits */
- if (D11REV_IS(wlc_hw->corerev, 23)) {
- if (BRCMS_ISNPHY(wlc_hw->band)) {
- brcms_c_write_inits(wlc_hw, d11n0bsinitvals16);
- } 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,
- d11lcn0bsinitvals24);
- } else
- wiphy_err(wiphy, "%s: wl%d: unsupported phy in"
- " core rev %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);
- }
- }
-}
-
-/* switch to new band but leave it inactive */
-static u32 brcms_c_setband_inact(struct brcms_c_info *wlc,
- uint bandunit)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- u32 macintmask;
-
- BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- WARN_ON((R_REG(&wlc_hw->regs->maccontrol) & MCTL_EN_MAC) != 0);
-
- /* disable interrupts */
- macintmask = brcms_intrsoff(wlc->wl);
-
- /* radio off */
- wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
-
- brcms_b_core_phy_clk(wlc_hw, OFF);
-
- brcms_c_setxband(wlc_hw, bandunit);
-
- return macintmask;
-}
-
-/* Process received frames */
-/*
- * Return true if more frames need to be processed. false otherwise.
- * Param 'bound' indicates max. # frames to process before break out.
- */
-static bool
-brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound)
-{
- struct sk_buff *p;
- struct sk_buff *head = NULL;
- struct sk_buff *tail = NULL;
- uint n = 0;
- uint bound_limit = bound ? wlc_hw->wlc->pub->tunables->rxbnd : -1;
- struct brcms_d11rxhdr *wlc_rxhdr = NULL;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
- /* gather received frames */
- while ((p = dma_rx(wlc_hw->di[fifo]))) {
-
- if (!tail)
- head = tail = p;
- else {
- tail->prev = p;
- tail = p;
- }
-
- /* !give others some time to run! */
- if (++n >= bound_limit)
- break;
- }
-
- /* post more rbufs */
- dma_rxfill(wlc_hw->di[fifo]);
-
- /* process each frame */
- while ((p = head) != NULL) {
- head = head->prev;
- p->prev = NULL;
-
- wlc_rxhdr = (struct brcms_d11rxhdr *) p->data;
-
- /* compute the RSSI from d11rxhdr and record it in wlc_rxd11hr */
- wlc_phy_rssi_compute(wlc_hw->band->pi, wlc_rxhdr);
-
- brcms_c_recv(wlc_hw->wlc, p);
- }
-
- return n >= bound_limit;
-}
-
-/* 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.
- */
-bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded)
-{
- u32 macintstatus;
- struct brcms_hardware *wlc_hw = wlc->hw;
- d11regs_t *regs = wlc_hw->regs;
- bool fatal = false;
- struct wiphy *wiphy = wlc->wiphy;
-
- if (DEVICEREMOVED(wlc)) {
- wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
- __func__);
- brcms_down(wlc->wl);
- return false;
- }
-
- /* grab and clear the saved software intstatus bits */
- macintstatus = wlc->macintstatus;
- wlc->macintstatus = 0;
-
- BCMMSG(wlc->wiphy, "wl%d: macintstatus 0x%x\n",
- wlc_hw->unit, macintstatus);
-
- WARN_ON(macintstatus & MI_PRQ); /* PRQ Interrupt in non-MBSS */
-
- /* BCN template is available */
- /* ZZZ: Use AP_ACTIVE ? */
- if (AP_ENAB(wlc->pub) && (!APSTA_ENAB(wlc->pub))
- && (macintstatus & MI_BCNTPL)) {
- brcms_c_update_beacon(wlc);
- }
-
- /* tx status */
- if (macintstatus & MI_TFS) {
- if (brcms_b_txstatus(wlc->hw, bounded, &fatal))
- wlc->macintstatus |= MI_TFS;
- if (fatal) {
- wiphy_err(wiphy, "MI_TFS: fatal\n");
- goto fatal;
- }
- }
-
- if (macintstatus & (MI_TBTT | MI_DTIM_TBTT))
- brcms_c_tbtt(wlc);
-
- /* ATIM window end */
- if (macintstatus & MI_ATIMWINEND) {
- BCMMSG(wlc->wiphy, "end of ATIM window\n");
- OR_REG(®s->maccommand, wlc->qvalid);
- wlc->qvalid = 0;
- }
-
- /* received data or control frame, MI_DMAINT is indication of RX_FIFO interrupt */
- if (macintstatus & MI_DMAINT)
- if (brcms_b_recv(wlc_hw, RX_FIFO, bounded))
- wlc->macintstatus |= MI_DMAINT;
-
- /* TX FIFO suspend/flush completion */
- if (macintstatus & MI_TXSTOP)
- brcms_b_tx_fifo_suspended(wlc_hw, TX_DATA_FIFO);
-
- /* noise sample collected */
- if (macintstatus & MI_BG_NOISE) {
- wlc_phy_noise_sample_intr(wlc_hw->band->pi);
- }
-
- if (macintstatus & MI_GP0) {
- wiphy_err(wiphy, "wl%d: PSM microcode watchdog fired at %d "
- "(seconds). Resetting.\n", wlc_hw->unit, wlc_hw->now);
-
- printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n",
- __func__, wlc_hw->sih->chip,
- wlc_hw->sih->chiprev);
- /* big hammer */
- brcms_init(wlc->wl);
- }
-
- /* gptimer timeout */
- if (macintstatus & MI_TO) {
- W_REG(®s->gptimer, 0);
- }
-
- if (macintstatus & MI_RFDISABLE) {
- BCMMSG(wlc->wiphy, "wl%d: BMAC Detected a change on the"
- " RF Disable Input\n", wlc_hw->unit);
- brcms_rfkill_set_hw_state(wlc->wl);
- }
-
- /* send any enq'd tx packets. Just makes sure to jump start tx */
- if (!pktq_empty(&wlc->pkt_queue->q))
- brcms_c_send_q(wlc);
-
- /* it isn't done and needs to be resched if macintstatus is non-zero */
- return wlc->macintstatus != 0;
-
- fatal:
- brcms_init(wlc->wl);
- 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)
-{
- state->machwcap = wlc_hw->machwcap;
-
- return 0;
-}
-
-static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme)
-{
- uint i;
- char name[8];
- /* ucode host flag 2 needed for pio mode, independent of band and fifo */
- u16 pio_mhf2 = 0;
- struct brcms_hardware *wlc_hw = wlc->hw;
- uint unit = wlc_hw->unit;
- struct brcms_tunables *tune = wlc->pub->tunables;
- struct wiphy *wiphy = wlc->wiphy;
-
- /* name and offsets for dma_attach */
- snprintf(name, sizeof(name), "wl%d", unit);
-
- if (wlc_hw->di[0] == 0) { /* Init FIFOs */
- uint addrwidth;
- int dma_attach_err = 0;
- /* Find out the DMA addressing capability and let OS know
- * All the channels within one DMA core have 'common-minimum' same
- * capability
- */
- addrwidth =
- dma_addrwidth(wlc_hw->sih, DMAREG(wlc_hw, DMA_TX, 0));
-
- if (!wl_alloc_dma_resources(wlc_hw->wlc->wl, addrwidth)) {
- wiphy_err(wiphy, "wl%d: wlc_attach: alloc_dma_"
- "resources failed\n", unit);
- return false;
- }
-
- /*
- * FIFO 0
- * TX: TX_AC_BK_FIFO (TX AC Background data packets)
- * RX: RX_FIFO (RX data packets)
- */
- wlc_hw->di[0] = dma_attach(name, wlc_hw->sih,
- (wme ? DMAREG(wlc_hw, DMA_TX, 0) :
- NULL), DMAREG(wlc_hw, DMA_RX, 0),
- (wme ? tune->ntxd : 0), tune->nrxd,
- tune->rxbufsz, -1, tune->nrxbufpost,
- BRCMS_HWRXOFF, &brcm_msg_level);
- dma_attach_err |= (NULL == wlc_hw->di[0]);
-
- /*
- * FIFO 1
- * TX: TX_AC_BE_FIFO (TX AC Best-Effort data packets)
- * (legacy) TX_DATA_FIFO (TX data packets)
- * RX: UNUSED
- */
- wlc_hw->di[1] = dma_attach(name, wlc_hw->sih,
- DMAREG(wlc_hw, DMA_TX, 1), NULL,
- tune->ntxd, 0, 0, -1, 0, 0,
- &brcm_msg_level);
- dma_attach_err |= (NULL == wlc_hw->di[1]);
-
- /*
- * FIFO 2
- * TX: TX_AC_VI_FIFO (TX AC Video data packets)
- * RX: UNUSED
- */
- wlc_hw->di[2] = dma_attach(name, wlc_hw->sih,
- DMAREG(wlc_hw, DMA_TX, 2), NULL,
- tune->ntxd, 0, 0, -1, 0, 0,
- &brcm_msg_level);
- dma_attach_err |= (NULL == wlc_hw->di[2]);
- /*
- * FIFO 3
- * TX: TX_AC_VO_FIFO (TX AC Voice data packets)
- * (legacy) TX_CTL_FIFO (TX control & mgmt packets)
- */
- wlc_hw->di[3] = dma_attach(name, wlc_hw->sih,
- DMAREG(wlc_hw, DMA_TX, 3),
- NULL, tune->ntxd, 0, 0, -1,
- 0, 0, &brcm_msg_level);
- dma_attach_err |= (NULL == wlc_hw->di[3]);
-/* Cleaner to leave this as if with AP defined */
-
- if (dma_attach_err) {
- wiphy_err(wiphy, "wl%d: wlc_attach: dma_attach failed"
- "\n", unit);
- return false;
- }
-
- /* get pointer to dma engine tx flow control variable */
- for (i = 0; i < NFIFO; i++)
- if (wlc_hw->di[i])
- wlc_hw->txavail[i] =
- (uint *) dma_getvar(wlc_hw->di[i],
- "&txavail");
- }
-
- /* initial ucode host flags */
- brcms_c_mhfdef(wlc, wlc_hw->band->mhfs, pio_mhf2);
-
- return true;
-}
-
-static void brcms_b_detach_dmapio(struct brcms_hardware *wlc_hw)
-{
- uint j;
-
- for (j = 0; j < NFIFO; j++) {
- if (wlc_hw->di[j]) {
- dma_detach(wlc_hw->di[j]);
- wlc_hw->di[j] = NULL;
- }
- }
-}
-
-/* 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);
-
- 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;
-
- /* populate struct brcms_hardware with default values */
- brcms_b_info_init(wlc_hw);
-
- /*
- * 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;
-
- /*
- * 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;
-
- 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);
-}
-
-void brcms_b_hw_etheraddr(struct brcms_hardware *wlc_hw, u8 *ea)
-{
- memcpy(ea, wlc_hw->etheraddr, ETH_ALEN);
-}
-
-static int brcms_b_bandtype(struct brcms_hardware *wlc_hw)
-{
- return wlc_hw->band->bandtype;
-}
-
-/* control chip clock to save power, enable dynamic clock or force fast clock */
-static void brcms_b_clkctl_clk(struct brcms_hardware *wlc_hw, uint mode)
-{
- if (PMUCTL_ENAB(wlc_hw->sih)) {
- /* new chips with PMU, CCS_FORCEHT will distribute the HT clock on backplane,
- * but mac core will still run on ALP(not HT) when it enters powersave mode,
- * which means the FCA bit may not be set.
- * should wakeup mac if driver wants it to run on HT.
- */
-
- if (wlc_hw->clk) {
- if (mode == CLK_FAST) {
- OR_REG(&wlc_hw->regs->clk_ctl_st,
- CCS_FORCEHT);
-
- udelay(64);
-
- SPINWAIT(((R_REG
- (&wlc_hw->regs->
- clk_ctl_st) & CCS_HTAVAIL) == 0),
- PMU_MAX_TRANSITION_DLY);
- WARN_ON(!(R_REG
- (&wlc_hw->regs->
- clk_ctl_st) & CCS_HTAVAIL));
- } else {
- if ((wlc_hw->sih->pmurev == 0) &&
- (R_REG
- (&wlc_hw->regs->
- clk_ctl_st) & (CCS_FORCEHT | CCS_HTAREQ)))
- SPINWAIT(((R_REG
- (&wlc_hw->regs->
- clk_ctl_st) & CCS_HTAVAIL)
- == 0),
- PMU_MAX_TRANSITION_DLY);
- AND_REG(&wlc_hw->regs->clk_ctl_st,
- ~CCS_FORCEHT);
- }
- }
- wlc_hw->forcefastclk = (mode == CLK_FAST);
- } else {
-
- /* old chips w/o PMU, force HT through cc,
- * then use FCA to verify mac is running fast clock
- */
-
- wlc_hw->forcefastclk = ai_clkctl_cc(wlc_hw->sih, mode);
-
- /* check fast clock is available (if core is not in reset) */
- if (wlc_hw->forcefastclk && wlc_hw->clk)
- WARN_ON(!(ai_core_sflags(wlc_hw->sih, 0, 0) &
- SISF_FCLKA));
-
- /* keep the ucode wake bit on if forcefastclk is on
- * since we do not want ucode to put us back to slow clock
- * when it dozes for PM mode.
- * Code below matches the wake override bit with current forcefastclk state
- * Only setting bit in wake_override instead of waking ucode immediately
- * since old code (wlc.c 1.4499) had this behavior. Older code set
- * wlc->forcefastclk but only had the wake happen if the wakup_ucode work
- * (protected by an up check) was executed just below.
- */
- if (wlc_hw->forcefastclk)
- mboolset(wlc_hw->wake_override,
- BRCMS_WAKE_OVERRIDE_FORCEFAST);
- else
- mboolclr(wlc_hw->wake_override,
- BRCMS_WAKE_OVERRIDE_FORCEFAST);
- }
-}
-
-/* set initial host flags value */
-static void
-brcms_c_mhfdef(struct brcms_c_info *wlc, u16 *mhfs, u16 mhf2_init)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
-
- memset(mhfs, 0, MHFMAX * sizeof(u16));
-
- mhfs[MHF2] |= mhf2_init;
-
- /* prohibit use of slowclock on multifunction boards */
- if (wlc_hw->boardflags & BFL_NOPLLDOWN)
- mhfs[MHF1] |= MHF1_FORCEFASTCLK;
-
- if (BRCMS_ISNPHY(wlc_hw->band) && NREV_LT(wlc_hw->band->phyrev, 2)) {
- mhfs[MHF2] |= MHF2_NPHY40MHZ_WAR;
- mhfs[MHF1] |= MHF1_IQSWAP_WAR;
- }
-}
-
-/* set or clear ucode host flag bits
- * it has an optimization for no-change write
- * it only writes through shared memory when the core has clock;
- * pre-CLK changes should use wlc_write_mhf to get around the optimization
- *
- *
- * bands values are: BRCM_BAND_AUTO <--- Current band only
- * BRCM_BAND_5G <--- 5G band only
- * BRCM_BAND_2G <--- 2G band only
- * BRCM_BAND_ALL <--- All bands
- */
-void
-brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val,
- int bands)
-{
- u16 save;
- u16 addr[MHFMAX] = {
- M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
- M_HOST_FLAGS5
- };
- struct brcms_hw_band *band;
-
- if ((val & ~mask) || idx >= MHFMAX)
- return; /* error condition */
-
- switch (bands) {
- /* Current band only or all bands,
- * then set the band to current band
- */
- case BRCM_BAND_AUTO:
- case BRCM_BAND_ALL:
- 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) {
- save = band->mhfs[idx];
- band->mhfs[idx] = (band->mhfs[idx] & ~mask) | val;
-
- /* optimization: only write through if changed, and
- * changed band is the current band
- */
- if (wlc_hw->clk && (band->mhfs[idx] != save)
- && (band == wlc_hw->band))
- brcms_b_write_shm(wlc_hw, addr[idx],
- (u16) band->mhfs[idx]);
- }
-
- if (bands == BRCM_BAND_ALL) {
- wlc_hw->bandstate[0]->mhfs[idx] =
- (wlc_hw->bandstate[0]->mhfs[idx] & ~mask) | val;
- wlc_hw->bandstate[1]->mhfs[idx] =
- (wlc_hw->bandstate[1]->mhfs[idx] & ~mask) | val;
- }
-}
-
-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;
- u16 addr[] = {
- M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
- M_HOST_FLAGS5
- };
-
- for (idx = 0; idx < MHFMAX; idx++) {
- brcms_b_write_shm(wlc_hw, addr[idx], mhfs[idx]);
- }
-}
-
-/* set the maccontrol register to desired reset state and
- * initialize the sw cache of the register
- */
-static void brcms_c_mctrl_reset(struct brcms_hardware *wlc_hw)
-{
- /* IHR accesses are always enabled, PSM disabled, HPS off and WAKE on */
- wlc_hw->maccontrol = 0;
- wlc_hw->suspended_fifos = 0;
- wlc_hw->wake_override = 0;
- wlc_hw->mute_override = 0;
- brcms_b_mctrl(wlc_hw, ~0, MCTL_IHR_EN | MCTL_WAKE);
-}
-
-/* set or clear maccontrol bits */
-void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val)
-{
- u32 maccontrol;
- u32 new_maccontrol;
-
- if (val & ~mask)
- return; /* error condition */
- maccontrol = wlc_hw->maccontrol;
- new_maccontrol = (maccontrol & ~mask) | val;
-
- /* if the new maccontrol value is the same as the old, nothing to do */
- if (new_maccontrol == maccontrol)
- return;
-
- /* something changed, cache the new value */
- wlc_hw->maccontrol = new_maccontrol;
-
- /* write the new values with overrides applied */
- brcms_c_mctrl_write(wlc_hw);
-}
-
-/* write the software state of maccontrol and overrides to the maccontrol register */
-static void brcms_c_mctrl_write(struct brcms_hardware *wlc_hw)
-{
- u32 maccontrol = wlc_hw->maccontrol;
-
- /* OR in the wake bit if overridden */
- if (wlc_hw->wake_override)
- maccontrol |= MCTL_WAKE;
-
- /* set AP and INFRA bits for mute if needed */
- if (wlc_hw->mute_override) {
- maccontrol &= ~(MCTL_AP);
- maccontrol |= MCTL_INFRA;
- }
-
- W_REG(&wlc_hw->regs->maccontrol, maccontrol);
-}
-
-void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
- u32 override_bit)
-{
- if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE)) {
- mboolset(wlc_hw->wake_override, override_bit);
- return;
- }
-
- mboolset(wlc_hw->wake_override, override_bit);
-
- brcms_c_mctrl_write(wlc_hw);
- brcms_b_wait_for_wake(wlc_hw);
-
- return;
-}
-
-void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
- u32 override_bit)
-{
- mboolclr(wlc_hw->wake_override, override_bit);
-
- if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE))
- return;
-
- brcms_c_mctrl_write(wlc_hw);
-
- return;
-}
-
-/* When driver needs ucode to stop beaconing, it has to make sure that
- * MCTL_AP is clear and MCTL_INFRA is set
- * Mode MCTL_AP MCTL_INFRA
- * AP 1 1
- * STA 0 1 <--- This will ensure no beacons
- * IBSS 0 0
- */
-static void brcms_c_ucode_mute_override_set(struct brcms_hardware *wlc_hw)
-{
- wlc_hw->mute_override = 1;
-
- /* if maccontrol already has AP == 0 and INFRA == 1 without this
- * override, then there is no change to write
- */
- if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
- return;
-
- brcms_c_mctrl_write(wlc_hw);
-
- return;
-}
-
-/* Clear the override on AP and INFRA bits */
-static void brcms_c_ucode_mute_override_clear(struct brcms_hardware *wlc_hw)
-{
- if (wlc_hw->mute_override == 0)
- return;
-
- wlc_hw->mute_override = 0;
-
- /* if maccontrol already has AP == 0 and INFRA == 1 without this
- * override, then there is no change to write
- */
- if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
- return;
-
- brcms_c_mctrl_write(wlc_hw);
-}
-
-/*
- * Write a MAC address to the given match reg offset in the RXE match engine.
- */
-void
-brcms_b_set_addrmatch(struct brcms_hardware *wlc_hw, int match_reg_offset,
- const u8 *addr)
-{
- d11regs_t *regs;
- u16 mac_l;
- u16 mac_m;
- u16 mac_h;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d: brcms_b_set_addrmatch\n",
- wlc_hw->unit);
-
- regs = wlc_hw->regs;
- mac_l = addr[0] | (addr[1] << 8);
- mac_m = addr[2] | (addr[3] << 8);
- mac_h = addr[4] | (addr[5] << 8);
-
- /* enter the MAC addr into the RXE match registers */
- W_REG(®s->rcm_ctl, RCM_INC_DATA | match_reg_offset);
- W_REG(®s->rcm_mat_data, mac_l);
- W_REG(®s->rcm_mat_data, mac_m);
- W_REG(®s->rcm_mat_data, mac_h);
-
-}
-
-void
-brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset, int len,
- void *buf)
-{
- d11regs_t *regs;
- u32 word;
- bool be_bit;
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- regs = wlc_hw->regs;
- W_REG(®s->tplatewrptr, offset);
-
- /* if MCTL_BIGEND bit set in mac control register,
- * the chip swaps data in fifo, as well as data in
- * template ram
- */
- be_bit = (R_REG(®s->maccontrol) & MCTL_BIGEND) != 0;
-
- while (len > 0) {
- memcpy(&word, buf, sizeof(u32));
-
- if (be_bit)
- word = cpu_to_be32(word);
- else
- word = cpu_to_le32(word);
-
- W_REG(®s->tplatewrdata, word);
-
- buf = (u8 *) buf + sizeof(u32);
- len -= sizeof(u32);
- }
-}
-
-void brcms_b_set_cwmin(struct brcms_hardware *wlc_hw, u16 newmin)
-{
- wlc_hw->band->CWmin = newmin;
-
- W_REG(&wlc_hw->regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_CWMIN);
- (void)R_REG(&wlc_hw->regs->objaddr);
- W_REG(&wlc_hw->regs->objdata, newmin);
-}
-
-void brcms_b_set_cwmax(struct brcms_hardware *wlc_hw, u16 newmax)
-{
- wlc_hw->band->CWmax = newmax;
-
- W_REG(&wlc_hw->regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_CWMAX);
- (void)R_REG(&wlc_hw->regs->objaddr);
- W_REG(&wlc_hw->regs->objdata, newmax);
-}
-
-void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw)
-{
- bool fastclk;
-
- /* request FAST clock if not on */
- fastclk = wlc_hw->forcefastclk;
- if (!fastclk)
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
-
- wlc_phy_bw_state_set(wlc_hw->band->pi, bw);
-
- brcms_b_phy_reset(wlc_hw);
- wlc_phy_init(wlc_hw->band->pi, wlc_phy_chanspec_get(wlc_hw->band->pi));
-
- /* restore the clk */
- if (!fastclk)
- brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
-}
-
-static void
-brcms_c_write_hw_bcntemplate0(struct brcms_hardware *wlc_hw, void *bcn,
- int len)
-{
- d11regs_t *regs = wlc_hw->regs;
-
- brcms_b_write_template_ram(wlc_hw, T_BCN0_TPL_BASE, (len + 3) & ~3,
- bcn);
- /* write beacon length to SCR */
- brcms_b_write_shm(wlc_hw, M_BCN0_FRM_BYTESZ, (u16) len);
- /* mark beacon0 valid */
- OR_REG(®s->maccommand, MCMD_BCN0VLD);
-}
-
-static void
-brcms_c_write_hw_bcntemplate1(struct brcms_hardware *wlc_hw, void *bcn,
- int len)
-{
- d11regs_t *regs = wlc_hw->regs;
-
- brcms_b_write_template_ram(wlc_hw, T_BCN1_TPL_BASE, (len + 3) & ~3,
- bcn);
- /* write beacon length to SCR */
- brcms_b_write_shm(wlc_hw, M_BCN1_FRM_BYTESZ, (u16) len);
- /* mark beacon1 valid */
- 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;
- struct brcms_c_info *wlc = wlc_hw->wlc;
- /* update SYNTHPU_DLY */
-
- if (BRCMS_ISLCNPHY(wlc->band)) {
- v = SYNTHPU_DLY_LPPHY_US;
- } else if (BRCMS_ISNPHY(wlc->band) && (NREV_GE(wlc->band->phyrev, 3))) {
- v = SYNTHPU_DLY_NPHY_US;
- } else {
- v = SYNTHPU_DLY_BPHY_US;
- }
-
- brcms_b_write_shm(wlc_hw, M_SYNTHPU_DLY, v);
-}
-
-/* band-specific init */
-static void
-brcms_b_bsinit(struct brcms_c_info *wlc, chanspec_t chanspec)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
-
- BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
- wlc_hw->band->bandunit);
-
- brcms_c_ucode_bsinit(wlc_hw);
-
- wlc_phy_init(wlc_hw->band->pi, chanspec);
-
- brcms_c_ucode_txant_set(wlc_hw);
-
- /* cwmin is band-specific, update hardware with value for current band */
- brcms_b_set_cwmin(wlc_hw, wlc_hw->band->CWmin);
- brcms_b_set_cwmax(wlc_hw, wlc_hw->band->CWmax);
-
- brcms_b_update_slot_timing(wlc_hw,
- BAND_5G(wlc_hw->band->
- bandtype) ? true : wlc_hw->
- shortslot);
-
- /* write phytype and phyvers */
- brcms_b_write_shm(wlc_hw, M_PHYTYPE, (u16) wlc_hw->band->phytype);
- brcms_b_write_shm(wlc_hw, M_PHYVER, (u16) wlc_hw->band->phyrev);
-
- /* initialize the txphyctl1 rate table since shmem is shared between bands */
- brcms_upd_ofdm_pctl1_table(wlc_hw);
-
- brcms_b_upd_synthpu(wlc_hw);
-}
-
-static void brcms_b_core_phy_clk(struct brcms_hardware *wlc_hw, bool clk)
-{
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d: clk %d\n", wlc_hw->unit, clk);
-
- wlc_hw->phyclk = clk;
-
- if (OFF == clk) { /* clear gmode bit, put phy into reset */
-
- ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC | SICF_GMODE),
- (SICF_PRST | SICF_FGC));
- udelay(1);
- ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC), SICF_PRST);
- udelay(1);
-
- } else { /* take phy out of reset */
-
- ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC), SICF_FGC);
- udelay(1);
- ai_core_cflags(wlc_hw->sih, (SICF_FGC), 0);
- udelay(1);
-
- }
-}
-
-/* Perform a soft reset of the PHY PLL */
-void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw)
-{
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- ai_corereg(wlc_hw->sih, SI_CC_IDX,
- offsetof(chipcregs_t, chipcontrol_addr), ~0, 0);
- udelay(1);
- ai_corereg(wlc_hw->sih, SI_CC_IDX,
- offsetof(chipcregs_t, chipcontrol_data), 0x4, 0);
- udelay(1);
- ai_corereg(wlc_hw->sih, SI_CC_IDX,
- offsetof(chipcregs_t, chipcontrol_data), 0x4, 4);
- udelay(1);
- ai_corereg(wlc_hw->sih, SI_CC_IDX,
- offsetof(chipcregs_t, chipcontrol_data), 0x4, 0);
- udelay(1);
-}
-
-/* light way to turn on phy clock without reset for NPHY only
- * refer to brcms_b_core_phy_clk for full version
- */
-void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk)
-{
- /* support(necessary for NPHY and HYPHY) only */
- if (!BRCMS_ISNPHY(wlc_hw->band))
- return;
-
- if (ON == clk)
- ai_core_cflags(wlc_hw->sih, SICF_FGC, SICF_FGC);
- else
- ai_core_cflags(wlc_hw->sih, SICF_FGC, 0);
-
-}
-
-void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk)
-{
- if (ON == clk)
- ai_core_cflags(wlc_hw->sih, SICF_MPCLKE, SICF_MPCLKE);
- else
- ai_core_cflags(wlc_hw->sih, SICF_MPCLKE, 0);
-}
-
-void brcms_b_phy_reset(struct brcms_hardware *wlc_hw)
-{
- struct brcms_phy_pub *pih = wlc_hw->band->pi;
- u32 phy_bw_clkbits;
- bool phy_in_reset = false;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- if (pih == NULL)
- return;
-
- phy_bw_clkbits = wlc_phy_clk_bwbits(wlc_hw->band->pi);
-
- /* Specific reset sequence required for NPHY rev 3 and 4 */
- if (BRCMS_ISNPHY(wlc_hw->band) && NREV_GE(wlc_hw->band->phyrev, 3) &&
- NREV_LE(wlc_hw->band->phyrev, 4)) {
- /* Set the PHY bandwidth */
- ai_core_cflags(wlc_hw->sih, SICF_BWMASK, phy_bw_clkbits);
-
- udelay(1);
-
- /* Perform a soft reset of the PHY PLL */
- brcms_b_core_phypll_reset(wlc_hw);
-
- /* reset the PHY */
- ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_PCLKE),
- (SICF_PRST | SICF_PCLKE));
- phy_in_reset = true;
- } else {
-
- ai_core_cflags(wlc_hw->sih,
- (SICF_PRST | SICF_PCLKE | SICF_BWMASK),
- (SICF_PRST | SICF_PCLKE | phy_bw_clkbits));
- }
-
- udelay(2);
- brcms_b_core_phy_clk(wlc_hw, ON);
-
- if (pih)
- wlc_phy_anacore(pih, ON);
-}
-
-/* switch to and initialize new band */
-static void
-brcms_b_setband(struct brcms_hardware *wlc_hw, uint bandunit,
- chanspec_t chanspec) {
- struct brcms_c_info *wlc = wlc_hw->wlc;
- u32 macintmask;
-
- /* Enable the d11 core before accessing it */
- if (!ai_iscoreup(wlc_hw->sih)) {
- ai_core_reset(wlc_hw->sih, 0, 0);
- brcms_c_mctrl_reset(wlc_hw);
- }
-
- macintmask = brcms_c_setband_inact(wlc, bandunit);
-
- if (!wlc_hw->up)
- return;
-
- brcms_b_core_phy_clk(wlc_hw, ON);
-
- /* band-specific initializations */
- brcms_b_bsinit(wlc, chanspec);
-
- /*
- * If there are any pending software interrupt bits,
- * then replace these with a harmless nonzero value
- * so brcms_c_dpc() will re-enable interrupts when done.
- */
- if (wlc->macintstatus)
- wlc->macintstatus = MI_DMAINT;
-
- /* restore macintmask */
- brcms_intrsrestore(wlc->wl, macintmask);
-
- /* ucode should still be suspended.. */
- WARN_ON((R_REG(&wlc_hw->regs->maccontrol) & MCTL_EN_MAC) != 0);
-}
-
-/* low-level band switch utility routine */
-void brcms_c_setxband(struct brcms_hardware *wlc_hw,
- uint bandunit)
-{
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
- bandunit);
-
- wlc_hw->band = wlc_hw->bandstate[bandunit];
-
- /* BMAC_NOTE: until we eliminate need for wlc->band refs in low level code */
- wlc_hw->wlc->band = wlc_hw->wlc->bandstate[bandunit];
-
- /* set gmode core flag */
- if (wlc_hw->sbclk && !wlc_hw->noreset) {
- ai_core_cflags(wlc_hw->sih, SICF_GMODE,
- ((bandunit == 0) ? SICF_GMODE : 0));
- }
-}
-
-static bool brcms_c_isgoodchip(struct brcms_hardware *wlc_hw)
-{
-
- /* reject unsupported corerev */
- if (!VALID_COREREV(wlc_hw->corerev)) {
- wiphy_err(wlc_hw->wlc->wiphy, "unsupported core rev %d\n",
- wlc_hw->corerev);
- return false;
- }
-
- return true;
-}
-
-/* Validate some board info parameters */
-static bool brcms_c_validboardtype(struct brcms_hardware *wlc_hw)
-{
- uint boardrev = wlc_hw->boardrev;
-
- /* 4 bits each for board type, major, minor, and tiny version */
- uint brt = (boardrev & 0xf000) >> 12;
- uint b0 = (boardrev & 0xf00) >> 8;
- uint b1 = (boardrev & 0xf0) >> 4;
- uint b2 = boardrev & 0xf;
-
- /* voards from other vendors are always considered valid */
- if (wlc_hw->sih->boardvendor != PCI_VENDOR_ID_BROADCOM)
- return true;
-
- /* do some boardrev sanity checks when boardvendor is Broadcom */
- if (boardrev == 0)
- return false;
-
- if (boardrev <= 0xff)
- return true;
-
- if ((brt > 2) || (brt == 0) || (b0 > 9) || (b0 == 0) || (b1 > 9)
- || (b2 > 9))
- return false;
-
- return true;
-}
-
-static char *brcms_c_get_macaddr(struct brcms_hardware *wlc_hw)
-{
- const char *varname = "macaddr";
- char *macaddr;
-
- /* If macaddr exists, use it (Sromrev4, CIS, ...). */
- macaddr = getvar(wlc_hw->vars, varname);
- if (macaddr != NULL)
- return macaddr;
-
- if (NBANDS_HW(wlc_hw) > 1)
- varname = "et1macaddr";
- else
- varname = "il0macaddr";
-
- macaddr = getvar(wlc_hw->vars, varname);
- if (macaddr == NULL) {
- wiphy_err(wlc_hw->wlc->wiphy, "wl%d: wlc_get_macaddr: macaddr "
- "getvar(%s) not found\n", wlc_hw->unit, varname);
- }
-
- return macaddr;
-}
-
-/*
- * Return true if radio is disabled, otherwise false.
- * hw radio disable signal is an external pin, users activate it asynchronously
- * this function could be called when driver is down and w/o clock
- * it operates on different registers depending on corerev and boardflag.
- */
-bool brcms_b_radio_read_hwdisabled(struct brcms_hardware *wlc_hw)
-{
- bool v, clk, xtal;
- u32 resetbits = 0, flags = 0;
-
- xtal = wlc_hw->sbclk;
- if (!xtal)
- brcms_b_xtal(wlc_hw, ON);
-
- /* may need to take core out of reset first */
- clk = wlc_hw->clk;
- if (!clk) {
- /*
- * mac no longer enables phyclk automatically when driver
- * accesses phyreg throughput mac. This can be skipped since
- * only mac reg is accessed below
- */
- flags |= SICF_PCLKE;
-
- /* 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);
- ai_core_reset(wlc_hw->sih, flags, resetbits);
- brcms_c_mctrl_reset(wlc_hw);
- }
-
- v = ((R_REG(&wlc_hw->regs->phydebug) & PDBG_RFD) != 0);
-
- /* put core back into reset */
- if (!clk)
- ai_core_disable(wlc_hw->sih, 0);
-
- if (!xtal)
- brcms_b_xtal(wlc_hw, OFF);
-
- 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];
- return dma_rxreset(di);
-}
-
-/* d11 core reset
- * ensure fask clock during reset
- * reset dma
- * reset d11(out of reset)
- * reset phy(out of reset)
- * clear software macintstatus for fresh new start
- * one testing hack wlc_hw->noreset will bypass the d11/phy reset
- */
-void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags)
-{
- d11regs_t *regs;
- uint i;
- bool fastclk;
- u32 resetbits = 0;
-
- if (flags == BRCMS_USE_COREFLAGS)
- flags = (wlc_hw->band->pi ? wlc_hw->band->core_flags : 0);
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- regs = wlc_hw->regs;
-
- /* request FAST clock if not on */
- fastclk = wlc_hw->forcefastclk;
- if (!fastclk)
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
-
- /* reset the dma engines except first time thru */
- if (ai_iscoreup(wlc_hw->sih)) {
- for (i = 0; i < NFIFO; i++)
- if ((wlc_hw->di[i]) && (!dma_txreset(wlc_hw->di[i]))) {
- wiphy_err(wlc_hw->wlc->wiphy, "wl%d: %s: "
- "dma_txreset[%d]: cannot stop dma\n",
- wlc_hw->unit, __func__, i);
- }
-
- if ((wlc_hw->di[RX_FIFO])
- && (!wlc_dma_rxreset(wlc_hw, RX_FIFO))) {
- wiphy_err(wlc_hw->wlc->wiphy, "wl%d: %s: dma_rxreset"
- "[%d]: cannot stop dma\n",
- wlc_hw->unit, __func__, RX_FIFO);
- }
- }
- /* if noreset, just stop the psm and return */
- if (wlc_hw->noreset) {
- wlc_hw->wlc->macintstatus = 0; /* skip wl_dpc after down */
- brcms_b_mctrl(wlc_hw, MCTL_PSM_RUN | MCTL_EN_MAC, 0);
- return;
- }
-
- /*
- * mac no longer enables phyclk automatically when driver accesses
- * phyreg throughput mac, AND phy_reset is skipped at early stage when
- * band->pi is invalid. need to enable PHY CLK
- */
- flags |= SICF_PCLKE;
-
- /* reset the core
- * In chips with PMU, the fastclk request goes through d11 core reg 0x1e0, which
- * is cleared by the core_reset. have to re-request it.
- * This adds some delay and we can optimize it by also requesting fastclk through
- * chipcommon during this period if necessary. But that has to work coordinate
- * with other driver like mips/arm since they may touch chipcommon as well.
- */
- wlc_hw->clk = false;
- ai_core_reset(wlc_hw->sih, flags, resetbits);
- wlc_hw->clk = true;
- if (wlc_hw->band && wlc_hw->band->pi)
- wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, true);
-
- brcms_c_mctrl_reset(wlc_hw);
-
- if (PMUCTL_ENAB(wlc_hw->sih))
- brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
-
- brcms_b_phy_reset(wlc_hw);
-
- /* turn on PHY_PLL */
- brcms_b_core_phypll_ctl(wlc_hw, true);
-
- /* clear sw intstatus */
- wlc_hw->wlc->macintstatus = 0;
-
- /* restore the clk setting */
- if (!fastclk)
- brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
-}
-
-/* txfifo sizes needs to be modified(increased) since the newer cores
- * have more memory.
- */
-static void brcms_b_corerev_fifofixup(struct brcms_hardware *wlc_hw)
-{
- d11regs_t *regs = wlc_hw->regs;
- u16 fifo_nu;
- u16 txfifo_startblk = TXFIFO_START_BLK, txfifo_endblk;
- u16 txfifo_def, txfifo_def1;
- 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));
-
- /* 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]);
-}
-
-/* This function is used for changing the tsf frac register
- * If spur avoidance mode is off, the mac freq will be 80/120/160Mhz
- * If spur avoidance mode is on1, the mac freq will be 82/123/164Mhz
- * If spur avoidance mode is on2, the mac freq will be 84/126/168Mhz
- * HTPHY Formula is 2^26/freq(MHz) e.g.
- * For spuron2 - 126MHz -> 2^26/126 = 532610.0
- * - 532610 = 0x82082 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x2082
- * For spuron: 123MHz -> 2^26/123 = 545600.5
- * - 545601 = 0x85341 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x5341
- * For spur off: 120MHz -> 2^26/120 = 559240.5
- * - 559241 = 0x88889 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x8889
- */
-
-void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode)
-{
- d11regs_t *regs;
- regs = wlc_hw->regs;
-
- if ((wlc_hw->sih->chip == BCM43224_CHIP_ID) ||
- (wlc_hw->sih->chip == BCM43225_CHIP_ID)) {
- if (spurmode == WL_SPURAVOID_ON2) { /* 126Mhz */
- W_REG(®s->tsf_clk_frac_l, 0x2082);
- W_REG(®s->tsf_clk_frac_h, 0x8);
- } else if (spurmode == WL_SPURAVOID_ON1) { /* 123Mhz */
- W_REG(®s->tsf_clk_frac_l, 0x5341);
- W_REG(®s->tsf_clk_frac_h, 0x8);
- } else { /* 120Mhz */
- W_REG(®s->tsf_clk_frac_l, 0x8889);
- W_REG(®s->tsf_clk_frac_h, 0x8);
- }
- } else if (BRCMS_ISLCNPHY(wlc_hw->band)) {
- if (spurmode == WL_SPURAVOID_ON1) { /* 82Mhz */
- W_REG(®s->tsf_clk_frac_l, 0x7CE0);
- W_REG(®s->tsf_clk_frac_h, 0xC);
- } else { /* 80Mhz */
- W_REG(®s->tsf_clk_frac_l, 0xCCCD);
- W_REG(®s->tsf_clk_frac_h, 0xC);
- }
- }
-}
-
-/* Initialize GPIOs that are controlled by D11 core */
-static void brcms_c_gpio_init(struct brcms_c_info *wlc)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- d11regs_t *regs;
- u32 gc, gm;
-
- regs = wlc_hw->regs;
-
- /* use GPIO select 0 to get all gpio signals from the gpio out reg */
- brcms_b_mctrl(wlc_hw, MCTL_GPOUT_SEL_MASK, 0);
-
- /*
- * Common GPIO setup:
- * G0 = LED 0 = WLAN Activity
- * G1 = LED 1 = WLAN 2.4 GHz Radio State
- * G2 = LED 2 = WLAN 5 GHz Radio State
- * G4 = radio disable input (HI enabled, LO disabled)
- */
-
- gc = gm = 0;
-
- /* Allocate GPIOs for mimo antenna diversity feature */
- if (wlc_hw->antsel_type == ANTSEL_2x3) {
- /* Enable antenna diversity, use 2x3 mode */
- brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
- MHF3_ANTSEL_EN, BRCM_BAND_ALL);
- brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE,
- MHF3_ANTSEL_MODE, BRCM_BAND_ALL);
-
- /* init superswitch control */
- wlc_phy_antsel_init(wlc_hw->band->pi, false);
-
- } else if (wlc_hw->antsel_type == ANTSEL_2x4) {
- gm |= gc |= (BOARD_GPIO_12 | BOARD_GPIO_13);
- /*
- * The board itself is powered by these GPIOs
- * (when not sending pattern) so set them high
- */
- OR_REG(®s->psm_gpio_oe,
- (BOARD_GPIO_12 | BOARD_GPIO_13));
- OR_REG(®s->psm_gpio_out,
- (BOARD_GPIO_12 | BOARD_GPIO_13));
-
- /* Enable antenna diversity, use 2x4 mode */
- brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
- MHF3_ANTSEL_EN, BRCM_BAND_ALL);
- brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE, 0,
- BRCM_BAND_ALL);
-
- /* Configure the desired clock to be 4Mhz */
- brcms_b_write_shm(wlc_hw, M_ANTSEL_CLKDIV,
- ANTSEL_CLKDIV_4MHZ);
- }
-
- /* gpio 9 controls the PA. ucode is responsible for wiggling out and oe */
- if (wlc_hw->boardflags & BFL_PACTRL)
- gm |= gc |= BOARD_GPIO_PACTRL;
-
- /* apply to gpiocontrol register */
- ai_gpiocontrol(wlc_hw->sih, gm, gc, GPIO_DRV_PRIORITY);
-}
-
-static void brcms_ucode_download(struct brcms_hardware *wlc_hw)
-{
- struct brcms_c_info *wlc;
- wlc = wlc_hw->wlc;
-
- if (wlc_hw->ucode_loaded)
- return;
-
- if (D11REV_IS(wlc_hw->corerev, 23)) {
- if (BRCMS_ISNPHY(wlc_hw->band)) {
- brcms_ucode_write(wlc_hw, bcm43xx_16_mimo,
- bcm43xx_16_mimosz);
- wlc_hw->ucode_loaded = true;
- } else
- wiphy_err(wlc->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_ucode_write(wlc_hw, bcm43xx_24_lcn,
- bcm43xx_24_lcnsz);
- wlc_hw->ucode_loaded = true;
- } else {
- wiphy_err(wlc->wiphy, "%s: wl%d: unsupported phy in "
- "corerev %d\n",
- __func__, wlc_hw->unit, wlc_hw->corerev);
- }
- }
-}
-
-static void brcms_ucode_write(struct brcms_hardware *wlc_hw, const u32 ucode[],
- const uint nbytes) {
- d11regs_t *regs = wlc_hw->regs;
- uint i;
- uint count;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- count = (nbytes / sizeof(u32));
-
- W_REG(®s->objaddr, (OBJADDR_AUTO_INC | OBJADDR_UCM_SEL));
- (void)R_REG(®s->objaddr);
- for (i = 0; i < count; i++)
- W_REG(®s->objdata, ucode[i]);
-}
-
-static void brcms_c_write_inits(struct brcms_hardware *wlc_hw,
- const struct d11init *inits)
-{
- int i;
- volatile u8 *base;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- base = (volatile u8 *)wlc_hw->regs;
-
- for (i = 0; inits[i].addr != 0xffff; i++) {
- if (inits[i].size == 2)
- W_REG((u16 *)(base + inits[i].addr),
- inits[i].value);
- else if (inits[i].size == 4)
- W_REG((u32 *)(base + inits[i].addr),
- inits[i].value);
- }
-}
-
-static void brcms_c_ucode_txant_set(struct brcms_hardware *wlc_hw)
-{
- u16 phyctl;
- u16 phytxant = wlc_hw->bmac_phytxant;
- u16 mask = PHY_TXC_ANT_MASK;
-
- /* set the Probe Response frame phy control word */
- phyctl = brcms_b_read_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS);
- phyctl = (phyctl & ~mask) | phytxant;
- brcms_b_write_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS, phyctl);
-
- /* set the Response (ACK/CTS) frame phy control word */
- phyctl = brcms_b_read_shm(wlc_hw, M_RSP_PCTLWD);
- phyctl = (phyctl & ~mask) | phytxant;
- brcms_b_write_shm(wlc_hw, M_RSP_PCTLWD, phyctl);
-}
-
-void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant)
-{
- /* update sw state */
- wlc_hw->bmac_phytxant = phytxant;
-
- /* push to ucode if up */
- if (!wlc_hw->up)
- return;
- brcms_c_ucode_txant_set(wlc_hw);
-
-}
-
-u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw)
-{
- return (u16) wlc_hw->wlc->stf->txant;
-}
-
-void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type)
-{
- wlc_hw->antsel_type = antsel_type;
-
- /* Update the antsel type for phy module to use */
- wlc_phy_antsel_type_set(wlc_hw->band->pi, antsel_type);
-}
-
-void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw)
-{
- bool fatal = false;
- uint unit;
- uint intstatus, idx;
- d11regs_t *regs = wlc_hw->regs;
- struct wiphy *wiphy = wlc_hw->wlc->wiphy;
-
- unit = wlc_hw->unit;
-
- for (idx = 0; idx < NFIFO; idx++) {
- /* read intstatus register and ignore any non-error bits */
- intstatus =
- R_REG(®s->intctrlregs[idx].intstatus) & I_ERRORS;
- if (!intstatus)
- continue;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d: intstatus%d 0x%x\n",
- unit, idx, intstatus);
-
- if (intstatus & I_RO) {
- wiphy_err(wiphy, "wl%d: fifo %d: receive fifo "
- "overflow\n", unit, idx);
- fatal = true;
- }
-
- if (intstatus & I_PC) {
- wiphy_err(wiphy, "wl%d: fifo %d: descriptor error\n",
- unit, idx);
- fatal = true;
- }
-
- if (intstatus & I_PD) {
- wiphy_err(wiphy, "wl%d: fifo %d: data error\n", unit,
- idx);
- fatal = true;
- }
-
- if (intstatus & I_DE) {
- wiphy_err(wiphy, "wl%d: fifo %d: descriptor protocol "
- "error\n", unit, idx);
- fatal = true;
- }
-
- if (intstatus & I_RU) {
- wiphy_err(wiphy, "wl%d: fifo %d: receive descriptor "
- "underflow\n", idx, unit);
- }
-
- if (intstatus & I_XU) {
- wiphy_err(wiphy, "wl%d: fifo %d: transmit fifo "
- "underflow\n", idx, unit);
- fatal = true;
- }
-
- if (fatal) {
- brcms_c_fatal_error(wlc_hw->wlc); /* big hammer */
- break;
- } else
- W_REG(®s->intctrlregs[idx].intstatus,
- intstatus);
- }
-}
-
-void brcms_c_intrson(struct brcms_c_info *wlc)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- wlc->macintmask = wlc->defmacintmask;
- W_REG(&wlc_hw->regs->macintmask, wlc->macintmask);
-}
-
-/* callback for siutils.c, which has only wlc handler, no wl
- * they both check up, not only because there is no need to off/restore d11 interrupt
- * but also because per-port code may require sync with valid interrupt.
- */
-
-static u32 brcms_c_wlintrsoff(struct brcms_c_info *wlc)
-{
- if (!wlc->hw->up)
- return 0;
-
- return brcms_intrsoff(wlc->wl);
-}
-
-static void brcms_c_wlintrsrestore(struct brcms_c_info *wlc, u32 macintmask)
-{
- if (!wlc->hw->up)
- return;
-
- brcms_intrsrestore(wlc->wl, macintmask);
-}
-
-u32 brcms_c_intrsoff(struct brcms_c_info *wlc)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- u32 macintmask;
-
- if (!wlc_hw->clk)
- return 0;
-
- macintmask = wlc->macintmask; /* isr can still happen */
-
- W_REG(&wlc_hw->regs->macintmask, 0);
- (void)R_REG(&wlc_hw->regs->macintmask); /* sync readback */
- udelay(1); /* ensure int line is no longer driven */
- wlc->macintmask = 0;
-
- /* return previous macintmask; resolve race between us and our isr */
- return wlc->macintstatus ? 0 : macintmask;
-}
-
-void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- if (!wlc_hw->clk)
- return;
-
- wlc->macintmask = macintmask;
- W_REG(&wlc_hw->regs->macintmask, wlc->macintmask);
-}
-
-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};
-
- if (on) {
- /* suspend tx fifos */
- brcms_b_tx_fifo_suspend(wlc_hw, TX_DATA_FIFO);
- brcms_b_tx_fifo_suspend(wlc_hw, TX_CTL_FIFO);
- brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_BK_FIFO);
- brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_VI_FIFO);
-
- /* zero the address match register so we do not send ACKs */
- brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
- null_ether_addr);
- } else {
- /* resume tx fifos */
- if (!wlc_hw->wlc->tx_suspended) {
- brcms_b_tx_fifo_resume(wlc_hw, TX_DATA_FIFO);
- }
- brcms_b_tx_fifo_resume(wlc_hw, TX_CTL_FIFO);
- brcms_b_tx_fifo_resume(wlc_hw, TX_AC_BK_FIFO);
- brcms_b_tx_fifo_resume(wlc_hw, TX_AC_VI_FIFO);
-
- /* Restore address */
- brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
- wlc_hw->etheraddr);
- }
-
- wlc_phy_mute_upd(wlc_hw->band->pi, on, flags);
-
- if (on)
- brcms_c_ucode_mute_override_set(wlc_hw);
- else
- 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.
- *
- * When the MAC acknowledges a tx suspend, it indicates that no more
- * packets will be transmitted out the radio. This is independent of
- * DMA channel suspension---the DMA may have finished suspending, or may still
- * be pulling data into a tx fifo, by the time the MAC acks the suspend
- * request.
- */
-static bool brcms_b_tx_fifo_suspended(struct brcms_hardware *wlc_hw,
- uint tx_fifo)
-{
- /* check that a suspend has been requested and is no longer pending */
-
- /*
- * for DMA mode, the suspend request is set in xmtcontrol of the DMA engine,
- * and the tx fifo suspend at the lower end of the MAC is acknowledged in the
- * chnstatus register.
- * The tx fifo suspend completion is independent of the DMA suspend completion and
- * may be acked before or after the DMA is suspended.
- */
- if (dma_txsuspended(wlc_hw->di[tx_fifo]) &&
- (R_REG(&wlc_hw->regs->chnstatus) &
- (1 << tx_fifo)) == 0)
- return true;
-
- 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)
-{
- /* BMAC_NOTE: BRCMS_TX_FIFO_ENAB is done in brcms_c_dpc() for DMA case
- * but need to be done here for PIO otherwise the watchdog will catch
- * the inconsistency and fire
- */
- /* Two clients of this code, 11h Quiet period and scanning. */
- if (wlc_hw->di[tx_fifo])
- dma_txresume(wlc_hw->di[tx_fifo]);
-
- /* allow core to sleep again */
- if (wlc_hw->suspended_fifos == 0)
- return;
- else {
- wlc_hw->suspended_fifos &= ~(1 << tx_fifo);
- if (wlc_hw->suspended_fifos == 0)
- brcms_c_ucode_wake_override_clear(wlc_hw,
- BRCMS_WAKE_OVERRIDE_TXFIFO);
- }
-}
-
-/*
- * Read and clear macintmask and macintstatus and intstatus registers.
- * This routine should be called with interrupts off
- * Return:
- * -1 if DEVICEREMOVED(wlc) evaluates to true;
- * 0 if the interrupt is not for us, or we are in some special cases;
- * device interrupt status bits otherwise.
- */
-static inline u32 wlc_intstatus(struct brcms_c_info *wlc, bool in_isr)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- d11regs_t *regs = wlc_hw->regs;
- u32 macintstatus;
-
- /* macintstatus includes a DMA interrupt summary bit */
- macintstatus = R_REG(®s->macintstatus);
-
- BCMMSG(wlc->wiphy, "wl%d: macintstatus: 0x%x\n", wlc_hw->unit,
- macintstatus);
-
- /* detect cardbus removed, in power down(suspend) and in reset */
- if (DEVICEREMOVED(wlc))
- return -1;
-
- /* DEVICEREMOVED succeeds even when the core is still resetting,
- * handle that case here.
- */
- if (macintstatus == 0xffffffff)
- return 0;
-
- /* defer unsolicited interrupts */
- macintstatus &= (in_isr ? wlc->macintmask : wlc->defmacintmask);
-
- /* if not for us */
- if (macintstatus == 0)
- return 0;
-
- /* interrupts are already turned off for CFE build
- * Caution: For CFE Turning off the interrupts again has some undesired
- * consequences
- */
- /* turn off the interrupts */
- W_REG(®s->macintmask, 0);
- (void)R_REG(®s->macintmask); /* sync readback */
- wlc->macintmask = 0;
-
- /* clear device interrupts */
- W_REG(®s->macintstatus, macintstatus);
-
- /* MI_DMAINT is indication of non-zero intstatus */
- if (macintstatus & MI_DMAINT) {
- /*
- * only fifo interrupt enabled is I_RI in
- * RX_FIFO. If MI_DMAINT is set, assume it
- * is set and clear the interrupt.
- */
- W_REG(®s->intctrlregs[RX_FIFO].intstatus,
- DEF_RXINTMASK);
- }
-
- return macintstatus;
-}
-
-/* Update wlc->macintstatus and wlc->intstatus[]. */
-/* Return true if they are updated successfully. false otherwise */
-bool brcms_c_intrsupd(struct brcms_c_info *wlc)
-{
- u32 macintstatus;
-
- /* read and clear macintstatus and intstatus registers */
- macintstatus = wlc_intstatus(wlc, false);
-
- /* device is removed */
- if (macintstatus == 0xffffffff)
- return false;
-
- /* update interrupt status in software */
- wlc->macintstatus |= macintstatus;
-
- return true;
-}
-
-/*
- * First-level interrupt processing.
- * Return true if this was our interrupt, false otherwise.
- * *wantdpc will be set to true if further brcms_c_dpc() processing is required,
- * false otherwise.
- */
-bool brcms_c_isr(struct brcms_c_info *wlc, bool *wantdpc)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- u32 macintstatus;
-
- *wantdpc = false;
-
- if (!wlc_hw->up || !wlc->macintmask)
- return false;
-
- /* read and clear macintstatus and intstatus registers */
- macintstatus = wlc_intstatus(wlc, true);
-
- if (macintstatus == 0xffffffff)
- wiphy_err(wlc->wiphy, "DEVICEREMOVED detected in the ISR code"
- " path\n");
-
- /* it is not for us */
- if (macintstatus == 0)
- return false;
-
- *wantdpc = true;
-
- /* save interrupt status bits */
- wlc->macintstatus = macintstatus;
-
- return true;
-
-}
-
-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;
- d11regs_t *regs = wlc_hw->regs;
- u32 mc, mi;
- struct wiphy *wiphy = wlc->wiphy;
-
- BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
- wlc_hw->band->bandunit);
-
- /*
- * Track overlapping suspend requests
- */
- wlc_hw->mac_suspend_depth++;
- if (wlc_hw->mac_suspend_depth > 1)
- return;
-
- /* force the core awake */
- brcms_c_ucode_wake_override_set(wlc_hw, BRCMS_WAKE_OVERRIDE_MACSUSPEND);
-
- mc = R_REG(®s->maccontrol);
-
- if (mc == 0xffffffff) {
- wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
- __func__);
- brcms_down(wlc->wl);
- return;
- }
- WARN_ON(mc & MCTL_PSM_JMP_0);
- WARN_ON(!(mc & MCTL_PSM_RUN));
- WARN_ON(!(mc & MCTL_EN_MAC));
-
- mi = R_REG(®s->macintstatus);
- if (mi == 0xffffffff) {
- wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
- __func__);
- brcms_down(wlc->wl);
- return;
- }
- WARN_ON(mi & MI_MACSSPNDD);
-
- brcms_b_mctrl(wlc_hw, MCTL_EN_MAC, 0);
-
- SPINWAIT(!(R_REG(®s->macintstatus) & MI_MACSSPNDD),
- BRCMS_MAX_MAC_SUSPEND);
-
- if (!(R_REG(®s->macintstatus) & MI_MACSSPNDD)) {
- wiphy_err(wiphy, "wl%d: wlc_suspend_mac_and_wait: waited %d uS"
- " and MI_MACSSPNDD is still not on.\n",
- wlc_hw->unit, BRCMS_MAX_MAC_SUSPEND);
- wiphy_err(wiphy, "wl%d: psmdebug 0x%08x, phydebug 0x%08x, "
- "psm_brc 0x%04x\n", wlc_hw->unit,
- R_REG(®s->psmdebug),
- R_REG(®s->phydebug),
- R_REG(®s->psm_brc));
- }
-
- mc = R_REG(®s->maccontrol);
- if (mc == 0xffffffff) {
- wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
- __func__);
- brcms_down(wlc->wl);
- return;
- }
- WARN_ON(mc & MCTL_PSM_JMP_0);
- WARN_ON(!(mc & MCTL_PSM_RUN));
- WARN_ON(mc & MCTL_EN_MAC);
-}
-
-void brcms_c_enable_mac(struct brcms_c_info *wlc)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- d11regs_t *regs = wlc_hw->regs;
- u32 mc, mi;
-
- BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
- wlc->band->bandunit);
-
- /*
- * Track overlapping suspend requests
- */
- wlc_hw->mac_suspend_depth--;
- if (wlc_hw->mac_suspend_depth > 0)
- return;
-
- mc = R_REG(®s->maccontrol);
- WARN_ON(mc & MCTL_PSM_JMP_0);
- WARN_ON(mc & MCTL_EN_MAC);
- WARN_ON(!(mc & MCTL_PSM_RUN));
-
- brcms_b_mctrl(wlc_hw, MCTL_EN_MAC, MCTL_EN_MAC);
- W_REG(®s->macintstatus, MI_MACSSPNDD);
-
- mc = R_REG(®s->maccontrol);
- WARN_ON(mc & MCTL_PSM_JMP_0);
- WARN_ON(!(mc & MCTL_EN_MAC));
- WARN_ON(!(mc & MCTL_PSM_RUN));
-
- mi = R_REG(®s->macintstatus);
- WARN_ON(mi & MI_MACSSPNDD);
-
- brcms_c_ucode_wake_override_clear(wlc_hw,
- BRCMS_WAKE_OVERRIDE_MACSUSPEND);
-}
-
-static void brcms_upd_ofdm_pctl1_table(struct brcms_hardware *wlc_hw)
-{
- u8 rate;
- u8 rates[8] = {
- BRCM_RATE_6M, BRCM_RATE_9M, BRCM_RATE_12M, BRCM_RATE_18M,
- BRCM_RATE_24M, BRCM_RATE_36M, BRCM_RATE_48M, BRCM_RATE_54M
- };
- u16 entry_ptr;
- u16 pctl1;
- uint i;
-
- if (!BRCMS_PHY_11N_CAP(wlc_hw->band))
- return;
-
- /* walk the phy rate table and update the entries */
- for (i = 0; i < ARRAY_SIZE(rates); i++) {
- rate = rates[i];
-
- entry_ptr = brcms_b_ofdm_ratetable_offset(wlc_hw, rate);
-
- /* read the SHM Rate Table entry OFDM PCTL1 values */
- pctl1 =
- brcms_b_read_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS);
-
- /* modify the value */
- pctl1 &= ~PHY_TXC1_MODE_MASK;
- pctl1 |= (wlc_hw->hw_stf_ss_opmode << PHY_TXC1_MODE_SHIFT);
-
- /* Update the SHM Rate Table entry OFDM PCTL1 values */
- brcms_b_write_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS,
- pctl1);
- }
-}
-
-static u16 brcms_b_ofdm_ratetable_offset(struct brcms_hardware *wlc_hw,
- u8 rate)
-{
- uint i;
- u8 plcp_rate = 0;
- struct plcp_signal_rate_lookup {
- u8 rate;
- u8 signal_rate;
- };
- /* OFDM RATE sub-field of PLCP SIGNAL field, per 802.11 sec 17.3.4.1 */
- const struct plcp_signal_rate_lookup rate_lookup[] = {
- {BRCM_RATE_6M, 0xB},
- {BRCM_RATE_9M, 0xF},
- {BRCM_RATE_12M, 0xA},
- {BRCM_RATE_18M, 0xE},
- {BRCM_RATE_24M, 0x9},
- {BRCM_RATE_36M, 0xD},
- {BRCM_RATE_48M, 0x8},
- {BRCM_RATE_54M, 0xC}
- };
-
- for (i = 0; i < ARRAY_SIZE(rate_lookup); i++) {
- if (rate == rate_lookup[i].rate) {
- plcp_rate = rate_lookup[i].signal_rate;
- break;
- }
- }
-
- /* Find the SHM pointer to the rate table entry by looking in the
- * Direct-map Table
- */
- return 2 * brcms_b_read_shm(wlc_hw, M_RT_DIRMAP_A + (plcp_rate * 2));
-}
-
-void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode)
-{
- wlc_hw->hw_stf_ss_opmode = stf_mode;
-
- if (wlc_hw->clk)
- 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;
- u32 w, val;
- struct wiphy *wiphy = wlc_hw->wlc->wiphy;
-
- BCMMSG(wiphy, "wl%d\n", wlc_hw->unit);
-
- regs = wlc_hw->regs;
-
- /* Validate dchip register access */
-
- W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
- (void)R_REG(®s->objaddr);
- w = R_REG(®s->objdata);
-
- /* Can we write and read back a 32bit register? */
- W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
- (void)R_REG(®s->objaddr);
- W_REG(®s->objdata, (u32) 0xaa5555aa);
-
- W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
- (void)R_REG(®s->objaddr);
- val = R_REG(®s->objdata);
- if (val != (u32) 0xaa5555aa) {
- wiphy_err(wiphy, "wl%d: validate_chip_access: SHM = 0x%x, "
- "expected 0xaa5555aa\n", wlc_hw->unit, val);
- return false;
- }
-
- W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
- (void)R_REG(®s->objaddr);
- W_REG(®s->objdata, (u32) 0x55aaaa55);
-
- W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
- (void)R_REG(®s->objaddr);
- val = R_REG(®s->objdata);
- if (val != (u32) 0x55aaaa55) {
- wiphy_err(wiphy, "wl%d: validate_chip_access: SHM = 0x%x, "
- "expected 0x55aaaa55\n", wlc_hw->unit, val);
- return false;
- }
-
- W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
- (void)R_REG(®s->objaddr);
- W_REG(®s->objdata, w);
-
- /* clear CFPStart */
- W_REG(®s->tsf_cfpstart, 0);
-
- w = R_REG(®s->maccontrol);
- if ((w != (MCTL_IHR_EN | MCTL_WAKE)) &&
- (w != (MCTL_IHR_EN | MCTL_GMODE | MCTL_WAKE))) {
- wiphy_err(wiphy, "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));
- return false;
- }
-
- return true;
-}
-
-#define PHYPLL_WAIT_US 100000
-
-void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on)
-{
- d11regs_t *regs;
- u32 tmp;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- tmp = 0;
- regs = wlc_hw->regs;
-
- if (on) {
- if ((wlc_hw->sih->chip == BCM4313_CHIP_ID)) {
- OR_REG(®s->clk_ctl_st,
- (CCS_ERSRC_REQ_HT | CCS_ERSRC_REQ_D11PLL |
- CCS_ERSRC_REQ_PHYPLL));
- SPINWAIT((R_REG(®s->clk_ctl_st) &
- (CCS_ERSRC_AVAIL_HT)) != (CCS_ERSRC_AVAIL_HT),
- PHYPLL_WAIT_US);
-
- tmp = R_REG(®s->clk_ctl_st);
- if ((tmp & (CCS_ERSRC_AVAIL_HT)) !=
- (CCS_ERSRC_AVAIL_HT)) {
- wiphy_err(wlc_hw->wlc->wiphy, "%s: turn on PHY"
- " PLL failed\n", __func__);
- }
- } else {
- OR_REG(®s->clk_ctl_st,
- (CCS_ERSRC_REQ_D11PLL | CCS_ERSRC_REQ_PHYPLL));
- SPINWAIT((R_REG(®s->clk_ctl_st) &
- (CCS_ERSRC_AVAIL_D11PLL |
- CCS_ERSRC_AVAIL_PHYPLL)) !=
- (CCS_ERSRC_AVAIL_D11PLL |
- CCS_ERSRC_AVAIL_PHYPLL), PHYPLL_WAIT_US);
-
- tmp = R_REG(®s->clk_ctl_st);
- if ((tmp &
- (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL))
- !=
- (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL)) {
- wiphy_err(wlc_hw->wlc->wiphy, "%s: turn on "
- "PHY PLL failed\n", __func__);
- }
- }
- } else {
- /* Since the PLL may be shared, other cores can still be requesting it;
- * so we'll deassert the request but not wait for status to comply.
- */
- AND_REG(®s->clk_ctl_st, ~CCS_ERSRC_REQ_PHYPLL);
- tmp = R_REG(®s->clk_ctl_st);
- }
-}
-
-void brcms_c_coredisable(struct brcms_hardware *wlc_hw)
-{
- bool dev_gone;
-
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
-
- dev_gone = DEVICEREMOVED(wlc_hw->wlc);
-
- if (dev_gone)
- return;
-
- if (wlc_hw->noreset)
- return;
-
- /* radio off */
- wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
-
- /* turn off analog core */
- wlc_phy_anacore(wlc_hw->band->pi, OFF);
-
- /* turn off PHYPLL to save power */
- brcms_b_core_phypll_ctl(wlc_hw, false);
-
- /* No need to set wlc->pub->radio_active = OFF
- * because this function needs down capability and
- * radio_active is designed for BCMNODOWN.
- */
-
- /* remove gpio controls */
- if (wlc_hw->ucode_dbgsel)
- ai_gpiocontrol(wlc_hw->sih, ~0, 0, GPIO_DRV_PRIORITY);
-
- wlc_hw->clk = false;
- ai_core_disable(wlc_hw->sih, 0);
- wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
-}
-
-/* power both the pll and external oscillator on/off */
-static void brcms_b_xtal(struct brcms_hardware *wlc_hw, bool want)
-{
- BCMMSG(wlc_hw->wlc->wiphy, "wl%d: want %d\n", wlc_hw->unit, want);
-
- /* dont power down if plldown is false or we must poll hw radio disable */
- if (!want && wlc_hw->pllreq)
- return;
-
- if (wlc_hw->sih)
- ai_clkctl_xtal(wlc_hw->sih, XTAL | PLL, want);
-
- wlc_hw->sbclk = want;
- if (!wlc_hw->sbclk) {
- wlc_hw->clk = false;
- if (wlc_hw->band && wlc_hw->band->pi)
- wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
- }
-}
-
-static void brcms_c_flushqueues(struct brcms_c_info *wlc)
-{
- struct brcms_hardware *wlc_hw = wlc->hw;
- uint i;
-
- wlc->txpend16165war = 0;
-
- /* free any posted tx packets */
- for (i = 0; i < NFIFO; i++)
- if (wlc_hw->di[i]) {
- dma_txreclaim(wlc_hw->di[i], DMA_RANGE_ALL);
- TXPKTPENDCLR(wlc, i);
- BCMMSG(wlc->wiphy, "pktpend fifo %d clrd\n", i);
- }
-
- /* free any posted rx packets */
- dma_rxreclaim(wlc_hw->di[RX_FIFO]);
-}
-
-u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset)
-{
- return brcms_b_read_objmem(wlc_hw, offset, OBJADDR_SHM_SEL);
-}
-
-void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v)
-{
- brcms_b_write_objmem(wlc_hw, offset, v, OBJADDR_SHM_SEL);
-}
-
-static u16
-brcms_b_read_objmem(struct brcms_hardware *wlc_hw, uint offset, u32 sel)
-{
- d11regs_t *regs = wlc_hw->regs;
- volatile u16 *objdata_lo = (volatile u16 *)®s->objdata;
- volatile u16 *objdata_hi = objdata_lo + 1;
- u16 v;
-
- W_REG(®s->objaddr, sel | (offset >> 2));
- (void)R_REG(®s->objaddr);
- if (offset & 2) {
- v = R_REG(objdata_hi);
- } else {
- v = R_REG(objdata_lo);
- }
-
- return v;
-}
-
-static void
-brcms_b_write_objmem(struct brcms_hardware *wlc_hw, uint offset, u16 v,
- u32 sel)
-{
- d11regs_t *regs = wlc_hw->regs;
- volatile u16 *objdata_lo = (volatile u16 *)®s->objdata;
- volatile u16 *objdata_hi = objdata_lo + 1;
-
- W_REG(®s->objaddr, sel | (offset >> 2));
- (void)R_REG(®s->objaddr);
- if (offset & 2) {
- W_REG(objdata_hi, v);
- } else {
- W_REG(objdata_lo, v);
- }
-}
-
-/* Copy a buffer to shared memory of specified type .
- * SHM 'offset' needs to be an even address and
- * Buffer length 'len' must be an even number of bytes
- * 'sel' selects the type of memory
- */
-void
-brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset,
- const void *buf, int len, u32 sel)
-{
- u16 v;
- const u8 *p = (const u8 *)buf;
- int i;
-
- if (len <= 0 || (offset & 1) || (len & 1))
- return;
-
- for (i = 0; i < len; i += 2) {
- v = p[i] | (p[i + 1] << 8);
- brcms_b_write_objmem(wlc_hw, offset + i, v, sel);
- }
-}
-
-/* Copy a piece of shared memory of specified type to a buffer .
- * SHM 'offset' needs to be an even address and
- * Buffer length 'len' must be an even number of bytes
- * 'sel' selects the type of memory
- */
-void
-brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset, void *buf,
- int len, u32 sel)
-{
- u16 v;
- u8 *p = (u8 *) buf;
- int i;
-
- if (len <= 0 || (offset & 1) || (len & 1))
- return;
-
- for (i = 0; i < len; i += 2) {
- v = brcms_b_read_objmem(wlc_hw, offset + i, sel);
- p[i] = v & 0xFF;
- p[i + 1] = (v >> 8) & 0xFF;
- }
-}
-
-void brcms_b_copyfrom_vars(struct brcms_hardware *wlc_hw, char **buf,
- uint *len)
-{
- BCMMSG(wlc_hw->wlc->wiphy, "nvram vars totlen=%d\n",
- wlc_hw->vars_size);
-
- *buf = wlc_hw->vars;
- *len = wlc_hw->vars_size;
-}
-
-void brcms_b_retrylimit_upd(struct brcms_hardware *wlc_hw, u16 SRL, u16 LRL)
-{
- wlc_hw->SRL = SRL;
- wlc_hw->LRL = LRL;
-
- /* write retry limit to SCR, shouldn't need to suspend */
- if (wlc_hw->up) {
- W_REG(&wlc_hw->regs->objaddr,
- OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
- (void)R_REG(&wlc_hw->regs->objaddr);
- W_REG(&wlc_hw->regs->objdata, wlc_hw->SRL);
- W_REG(&wlc_hw->regs->objaddr,
- OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
- (void)R_REG(&wlc_hw->regs->objaddr);
- W_REG(&wlc_hw->regs->objdata, wlc_hw->LRL);
- }
-}
-
-void brcms_b_pllreq(struct brcms_hardware *wlc_hw, bool set, mbool req_bit)
-{
- if (set) {
- if (mboolisset(wlc_hw->pllreq, req_bit))
- return;
-
- mboolset(wlc_hw->pllreq, req_bit);
-
- if (mboolisset(wlc_hw->pllreq, BRCMS_PLLREQ_FLIP)) {
- if (!wlc_hw->sbclk) {
- brcms_b_xtal(wlc_hw, ON);
- }
- }
- } else {
- if (!mboolisset(wlc_hw->pllreq, req_bit))
- return;
-
- mboolclr(wlc_hw->pllreq, req_bit);
-
- if (mboolisset(wlc_hw->pllreq, BRCMS_PLLREQ_FLIP)) {
- if (wlc_hw->sbclk) {
- brcms_b_xtal(wlc_hw, OFF);
- }
- }
- }
-
- 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;
-}
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-#ifndef _BRCM_BOTTOM_MAC_H_
-#define _BRCM_BOTTOM_MAC_H_
-
-#include <brcmu_wifi.h>
-#include "types.h"
-
-/* dup state between BMAC(struct brcms_hardware) and HIGH(struct brcms_c_info)
- driver */
-struct brcms_b_state {
- u32 machwcap; /* mac hw capibility */
- u32 preamble_ovr; /* preamble override */
-};
-
-enum {
- IOV_BMAC_DIAG,
- IOV_BMAC_SBGPIOTIMERVAL,
- IOV_BMAC_SBGPIOOUT,
- IOV_BMAC_CCGPIOCTRL, /* CC GPIOCTRL REG */
- IOV_BMAC_CCGPIOOUT, /* CC GPIOOUT REG */
- IOV_BMAC_CCGPIOOUTEN, /* CC GPIOOUTEN REG */
- IOV_BMAC_CCGPIOIN, /* CC GPIOIN REG */
- IOV_BMAC_WPSGPIO, /* WPS push button GPIO pin */
- IOV_BMAC_OTPDUMP,
- IOV_BMAC_OTPSTAT,
- IOV_BMAC_PCIEASPM, /* obfuscation clkreq/aspm control */
- IOV_BMAC_PCIEADVCORRMASK, /* advanced correctable error mask */
- IOV_BMAC_PCIECLKREQ, /* PCIE 1.1 clockreq enab support */
- IOV_BMAC_PCIELCREG, /* PCIE LCREG */
- IOV_BMAC_SBGPIOTIMERMASK,
- IOV_BMAC_RFDISABLEDLY,
- IOV_BMAC_PCIEREG, /* PCIE REG */
- IOV_BMAC_PCICFGREG, /* PCI Config register */
- IOV_BMAC_PCIESERDESREG, /* PCIE SERDES REG (dev, 0}offset) */
- IOV_BMAC_PCIEGPIOOUT, /* PCIEOUT REG */
- IOV_BMAC_PCIEGPIOOUTEN, /* PCIEOUTEN REG */
- IOV_BMAC_PCIECLKREQENCTRL, /* clkreqenctrl REG (PCIE REV > 6.0 */
- IOV_BMAC_DMALPBK,
- IOV_BMAC_CCREG,
- IOV_BMAC_COREREG,
- IOV_BMAC_SDCIS,
- IOV_BMAC_SDIO_DRIVE,
- IOV_BMAC_OTPW,
- IOV_BMAC_NVOTPW,
- IOV_BMAC_SROM,
- IOV_BMAC_SRCRC,
- IOV_BMAC_CIS_SOURCE,
- IOV_BMAC_CISVAR,
- IOV_BMAC_OTPLOCK,
- IOV_BMAC_OTP_CHIPID,
- IOV_BMAC_CUSTOMVAR1,
- IOV_BMAC_BOARDFLAGS,
- IOV_BMAC_BOARDFLAGS2,
- IOV_BMAC_WPSLED,
- IOV_BMAC_NVRAM_SOURCE,
- IOV_BMAC_OTP_RAW_READ,
- IOV_BMAC_LAST
-};
-
-extern 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_copyto_objmem(struct brcms_hardware *wlc_hw,
- uint offset, const void *buf, int len,
- u32 sel);
-extern void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
- void *buf, int len, u32 sel);
-#define brcms_b_copyfrom_shm(wlc_hw, offset, buf, len) \
- brcms_b_copyfrom_objmem(wlc_hw, offset, buf, len, OBJADDR_SHM_SEL)
-#define brcms_b_copyto_shm(wlc_hw, offset, buf, len) \
- brcms_b_copyto_objmem(wlc_hw, offset, buf, len, OBJADDR_SHM_SEL)
-
-extern void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
-extern void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
-extern void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
-extern void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
-extern void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
-extern void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
-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 void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
-
-/* chanspec, ucode interface */
-extern void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw,
- chanspec_t chanspec,
- bool mute, struct txpwr_limits *txpwr);
-
-extern int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
- uint *blocks);
-extern void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask,
- u16 val, int bands);
-extern void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
-extern u16 brcms_b_mhf_get(struct brcms_hardware *wlc_hw, u8 idx, int bands);
-extern void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
-extern u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
-extern void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw,
- u8 antsel_type);
-extern int brcms_b_state_get(struct brcms_hardware *wlc_hw,
- struct brcms_b_state *state);
-extern void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset,
- u16 v);
-extern u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
-extern void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw,
- int offset, int len, void *buf);
-extern 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,
- 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);
-extern void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw,
- u8 stf_mode);
-
-extern void brcms_b_wait_for_wake(struct brcms_hardware *wlc_hw);
-
-extern void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
- u32 override_bit);
-extern void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
- u32 override_bit);
-
-extern 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);
-
-extern void brcms_b_retrylimit_upd(struct brcms_hardware *wlc_hw, u16 SRL,
- u16 LRL);
-
-extern void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw);
-
-
-/* API for BMAC driver (e.g. wlc_phy.c etc) */
-
-extern void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
-extern 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 u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
-extern void brcms_b_antsel_set(struct brcms_hardware *wlc_hw,
- u32 antsel_avail);
-
-#endif /* _BRCM_BOTTOM_MAC_H_ */
#include <defs.h>
#include "pub.h"
#include "phy/phy_hal.h"
-#include "bmac.h"
#include "main.h"
#include "stf.h"
#include "channel.h"
#include <linux/pci_ids.h>
#include <net/mac80211.h>
-
#include <brcm_hw_ids.h>
#include <aiutils.h>
+#include <chipcommon.h>
#include "rate.h"
#include "scb.h"
#include "phy/phy_hal.h"
#include "channel.h"
-#include "bmac.h"
#include "antsel.h"
#include "stf.h"
#include "ampdu.h"
#include "alloc.h"
#include "mac80211_if.h"
+#include "ucode_loader.h"
#include "main.h"
+
/*
* WPA(2) definitions
*/
#define BRCMS_WAR16165(wlc) (wlc->pub->sih->bustype == PCI_BUS && \
(!AP_ENAB(wlc->pub)) && (wlc->war16165))
-/* debug/trace */
-uint brcm_msg_level =
-#if defined(BCMDBG)
- LOG_ERROR_VAL;
-#else
- 0;
-#endif /* BCMDBG */
-
/* Find basic rate for a given rate */
#define BRCMS_BASIC_RATE(wlc, rspec) (IS_MCS(rspec) ? \
(wlc)->band->basic_rate[mcs_table[rspec & RSPEC_RATE_MASK].leg_ofdm] : \
#define EPI_VERSION_NUM 0x054b0b00
-#ifdef BCMDBG
-/* pointer to most recently allocated wl/wlc */
-static struct brcms_c_info *wlc_info_dbg = (struct brcms_c_info *) (NULL);
-#endif
-
-const u8 prio2fifo[NUMPRIO] = {
- TX_AC_BE_FIFO, /* 0 BE AC_BE Best Effort */
- TX_AC_BK_FIFO, /* 1 BK AC_BK Background */
- TX_AC_BK_FIFO, /* 2 -- AC_BK Background */
- TX_AC_BE_FIFO, /* 3 EE AC_BE Best Effort */
- TX_AC_VI_FIFO, /* 4 CL AC_VI Video */
- TX_AC_VI_FIFO, /* 5 VI AC_VI Video */
- TX_AC_VO_FIFO, /* 6 VO AC_VO Voice */
- TX_AC_VO_FIFO /* 7 NC AC_VO Voice */
-};
-
/* precedences numbers for wlc queues. These are twice as may levels as
* 802.1D priorities.
* Odd numbers are used for HI priority traffic at same precedence levels
#define MBSS_PRB_ENAB(cfg) 0
#define SOFTBCN_ENAB(pub) (0)
-/* 802.1D Priority to precedence queue mapping */
-const u8 wlc_prio2prec_map[] = {
- _BRCMS_PREC_BE, /* 0 BE - Best-effort */
- _BRCMS_PREC_BK, /* 1 BK - Background */
- _BRCMS_PREC_NONE, /* 2 None = - */
- _BRCMS_PREC_EE, /* 3 EE - Excellent-effort */
- _BRCMS_PREC_CL, /* 4 CL - Controlled Load */
- _BRCMS_PREC_VI, /* 5 Vi - Video */
- _BRCMS_PREC_VO, /* 6 Vo - Voice */
- _BRCMS_PREC_NC, /* 7 NC - Network Control */
-};
+#define TIMER_INTERVAL_WATCHDOG_BMAC 1000 /* watchdog timer, in unit of ms */
+
+#define SYNTHPU_DLY_APHY_US 3700 /* a phy synthpu_dly time in us */
+#define SYNTHPU_DLY_BPHY_US 1050 /* b/g phy synthpu_dly time in us, default */
+#define SYNTHPU_DLY_NPHY_US 2048 /* n phy REV3 synthpu_dly time in us, default */
+#define SYNTHPU_DLY_LPPHY_US 300 /* lpphy synthpu_dly time in us */
+
+#define SYNTHPU_DLY_PHY_US_QT 100 /* QT synthpu_dly time in us */
+
+#define ANTCNT 10 /* vanilla M_MAX_ANTCNT value */
+
+#define DMAREG(wlc_hw, direction, fifonum) \
+ ((direction == DMA_TX) ? \
+ (void *)&(wlc_hw->regs->fifo64regs[fifonum].dmaxmt) : \
+ (void *)&(wlc_hw->regs->fifo64regs[fifonum].dmarcv))
+
+#define APHY_SLOT_TIME 9
+#define BPHY_SLOT_TIME 20
+
+/*
+ * The following table lists the buffer memory allocated to xmt fifos in HW.
+ * the size is in units of 256bytes(one block), total size is HW dependent
+ * ucode has default fifo partition, sw can overwrite if necessary
+ *
+ * This is documented in twiki under the topic UcodeTxFifo. Please ensure
+ * the twiki is updated before making changes.
+ */
+
+#define XMTFIFOTBL_STARTREV 20 /* Starting corerev for the fifo size table */
/* Check if a particular BSS config is AP or STA */
#define BSSCFG_AP(cfg) (0)
for (idx = 0; (int) idx < BRCMS_MAXBSSCFG; idx++) \
if ((cfg = (wlc)->bsscfg[idx]))
-/* TX FIFO number to WME/802.1E Access Category */
-const u8 wme_fifo2ac[] = { AC_BK, AC_BE, AC_VI, AC_VO, AC_BE, AC_BE };
-
-/* WME/802.1E Access Category to TX FIFO number */
-static const u8 wme_ac2fifo[] = { 1, 0, 2, 3 };
-
-static bool in_send_q;
-
/* Shared memory location index for various AC params */
#define wme_shmemacindex(ac) wme_ac2fifo[ac]
-#ifdef BCMDBG
-static const char * const fifo_names[] = {
- "AC_BK", "AC_BE", "AC_VI", "AC_VO", "BCMC", "ATIM" };
-#else
-static const char fifo_names[6][0];
-#endif
-
-static const u8 acbitmap2maxprio[] = {
- PRIO_8021D_BE, PRIO_8021D_BE, PRIO_8021D_BK, PRIO_8021D_BK,
- PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI,
- PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO,
- PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO
-};
-
/* currently the best mechanism for determining SIFS is the band in use */
#define SIFS(band) ((band)->bandtype == BRCM_BAND_5G ? APHY_SIFS_TIME : \
BPHY_SIFS_TIME);
+/* dup state between BMAC(struct brcms_hardware) and HIGH(struct brcms_c_info)
+ driver */
+struct brcms_b_state {
+ u32 machwcap; /* mac hw capibility */
+ u32 preamble_ovr; /* preamble override */
+};
+
/* 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,
+ const struct d11init *inits);
+static void brcms_ucode_write(struct brcms_hardware *wlc_hw, const u32 ucode[],
+ const uint nbytes);
+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_c_write_mhf(struct brcms_hardware *wlc_hw, u16 *mhfs);
+static void brcms_c_mctrl_reset(struct brcms_hardware *wlc_hw);
+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);
+
+/* Low Level Prototypes */
+
+struct brcms_b_state;
+
+extern 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,
+ struct brcms_b_state *state);
+extern 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,
+ 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);
+
+extern void brcms_b_wait_for_wake(struct brcms_hardware *wlc_hw);
+
+extern 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);
+
+extern void brcms_b_retrylimit_upd(struct brcms_hardware *wlc_hw, u16 SRL,
+ u16 LRL);
+
+extern 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,
+ 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,
+ 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 u16 brcms_b_read_objmem(struct brcms_hardware *wlc_hw, uint offset,
+ u32 sel);
+static void brcms_b_write_objmem(struct brcms_hardware *wlc_hw, uint offset,
+ u16 v, u32 sel);
+static void brcms_b_core_phy_clk(struct brcms_hardware *wlc_hw, bool clk);
+static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme);
+static void brcms_b_detach_dmapio(struct brcms_hardware *wlc_hw);
+static void brcms_c_ucode_bsinit(struct brcms_hardware *wlc_hw);
+static bool brcms_c_validboardtype(struct brcms_hardware *wlc);
+static bool brcms_c_isgoodchip(struct brcms_hardware *wlc_hw);
+static bool brcms_b_validate_chip_access(struct brcms_hardware *wlc_hw);
+static char *brcms_c_get_macaddr(struct brcms_hardware *wlc_hw);
+static void brcms_c_mhfdef(struct brcms_c_info *wlc, u16 *mhfs, u16 mhf2_init);
+static void brcms_c_mctrl_write(struct brcms_hardware *wlc_hw);
+static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool want,
+ mbool flags);
+static void brcms_c_ucode_mute_override_set(struct brcms_hardware *wlc_hw);
+static void brcms_c_ucode_mute_override_clear(struct brcms_hardware *wlc_hw);
+static u32 brcms_c_wlintrsoff(struct brcms_c_info *wlc);
+static void brcms_c_wlintrsrestore(struct brcms_c_info *wlc, u32 macintmask);
+static void brcms_c_gpio_init(struct brcms_c_info *wlc);
+static void brcms_c_write_hw_bcntemplate0(struct brcms_hardware *wlc_hw,
+ void *bcn, int len);
+static void brcms_c_write_hw_bcntemplate1(struct brcms_hardware *wlc_hw,
+ void *bcn, int len);
+static void brcms_b_bsinit(struct brcms_c_info *wlc, chanspec_t chanspec);
+static u32 brcms_c_setband_inact(struct brcms_c_info *wlc, uint bandunit);
+static void brcms_b_setband(struct brcms_hardware *wlc_hw, uint bandunit,
+ chanspec_t chanspec);
+static void brcms_b_update_slot_timing(struct brcms_hardware *wlc_hw,
+ bool shortslot);
+static void brcms_upd_ofdm_pctl1_table(struct brcms_hardware *wlc_hw);
+static u16 brcms_b_ofdm_ratetable_offset(struct brcms_hardware *wlc_hw,
+ u8 rate);
+
static u16 brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc,
struct ieee80211_hw *hw,
struct sk_buff *p,
static int _brcms_c_ioctl(struct brcms_c_info *wlc, int cmd, void *arg, int len,
struct brcms_c_if *wlcif);
+const u8 prio2fifo[NUMPRIO] = {
+ TX_AC_BE_FIFO, /* 0 BE AC_BE Best Effort */
+ TX_AC_BK_FIFO, /* 1 BK AC_BK Background */
+ TX_AC_BK_FIFO, /* 2 -- AC_BK Background */
+ TX_AC_BE_FIFO, /* 3 EE AC_BE Best Effort */
+ TX_AC_VI_FIFO, /* 4 CL AC_VI Video */
+ TX_AC_VI_FIFO, /* 5 VI AC_VI Video */
+ TX_AC_VO_FIFO, /* 6 VO AC_VO Voice */
+ TX_AC_VO_FIFO /* 7 NC AC_VO Voice */
+};
+
+/* debug/trace */
+uint brcm_msg_level =
+#if defined(BCMDBG)
+ LOG_ERROR_VAL;
+#else
+ 0;
+#endif /* BCMDBG */
+
+/* TX FIFO number to WME/802.1E Access Category */
+const u8 wme_fifo2ac[] = { AC_BK, AC_BE, AC_VI, AC_VO, AC_BE, AC_BE };
+
+/* WME/802.1E Access Category to TX FIFO number */
+static const u8 wme_ac2fifo[] = { 1, 0, 2, 3 };
+
+static bool in_send_q;
+
+/* 802.1D Priority to precedence queue mapping */
+const u8 wlc_prio2prec_map[] = {
+ _BRCMS_PREC_BE, /* 0 BE - Best-effort */
+ _BRCMS_PREC_BK, /* 1 BK - Background */
+ _BRCMS_PREC_NONE, /* 2 None = - */
+ _BRCMS_PREC_EE, /* 3 EE - Excellent-effort */
+ _BRCMS_PREC_CL, /* 4 CL - Controlled Load */
+ _BRCMS_PREC_VI, /* 5 Vi - Video */
+ _BRCMS_PREC_VO, /* 6 Vo - Voice */
+ _BRCMS_PREC_NC, /* 7 NC - Network Control */
+};
+
+static u16 xmtfifo_sz[][NFIFO] = {
+ {20, 192, 192, 21, 17, 5}, /* corerev 20: 5120, 49152, 49152, 5376, 4352, 1280 */
+ {9, 58, 22, 14, 14, 5}, /* corerev 21: 2304, 14848, 5632, 3584, 3584, 1280 */
+ {20, 192, 192, 21, 17, 5}, /* corerev 22: 5120, 49152, 49152, 5376, 4352, 1280 */
+ {20, 192, 192, 21, 17, 5}, /* corerev 23: 5120, 49152, 49152, 5376, 4352, 1280 */
+ {9, 58, 22, 14, 14, 5}, /* corerev 24: 2304, 14848, 5632, 3584, 3584, 1280 */
+};
+
+static const u8 acbitmap2maxprio[] = {
+ PRIO_8021D_BE, PRIO_8021D_BE, PRIO_8021D_BK, PRIO_8021D_BK,
+ PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI, PRIO_8021D_VI,
+ PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO,
+ PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO, PRIO_8021D_VO
+};
+
+#ifdef BCMDBG
+static const char * const fifo_names[] = {
+ "AC_BK", "AC_BE", "AC_VI", "AC_VO", "BCMC", "ATIM" };
+#else
+static const char fifo_names[6][0];
+#endif
+
+#ifdef BCMDBG
+/* pointer to most recently allocated wl/wlc */
+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)
+ * The PSM needs to be suspended for this call.
+ */
+static void brcms_b_update_slot_timing(struct brcms_hardware *wlc_hw,
+ bool shortslot)
+{
+ d11regs_t *regs;
+
+ regs = wlc_hw->regs;
+
+ if (shortslot) {
+ /* 11g short slot: 11a timing */
+ W_REG(®s->ifs_slot, 0x0207); /* APHY_SLOT_TIME */
+ brcms_b_write_shm(wlc_hw, M_DOT11_SLOT, APHY_SLOT_TIME);
+ } else {
+ /* 11g long slot: 11b timing */
+ W_REG(®s->ifs_slot, 0x0212); /* BPHY_SLOT_TIME */
+ brcms_b_write_shm(wlc_hw, M_DOT11_SLOT, BPHY_SLOT_TIME);
+ }
+}
+
+static void brcms_c_ucode_bsinit(struct brcms_hardware *wlc_hw)
+{
+ struct wiphy *wiphy = wlc_hw->wlc->wiphy;
+
+ /* init microcode host flags */
+ brcms_c_write_mhf(wlc_hw, wlc_hw->band->mhfs);
+
+ /* do band-specific ucode IHR, SHM, and SCR inits */
+ if (D11REV_IS(wlc_hw->corerev, 23)) {
+ if (BRCMS_ISNPHY(wlc_hw->band)) {
+ brcms_c_write_inits(wlc_hw, d11n0bsinitvals16);
+ } 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,
+ d11lcn0bsinitvals24);
+ } else
+ wiphy_err(wiphy, "%s: wl%d: unsupported phy in"
+ " core rev %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);
+ }
+ }
+}
+
+/* switch to new band but leave it inactive */
+static u32 brcms_c_setband_inact(struct brcms_c_info *wlc, uint bandunit)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ u32 macintmask;
+
+ BCMMSG(wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ WARN_ON((R_REG(&wlc_hw->regs->maccontrol) & MCTL_EN_MAC) != 0);
+
+ /* disable interrupts */
+ macintmask = brcms_intrsoff(wlc->wl);
+
+ /* radio off */
+ wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
+
+ brcms_b_core_phy_clk(wlc_hw, OFF);
+
+ brcms_c_setxband(wlc_hw, bandunit);
+
+ return macintmask;
+}
+
+/* Process received frames */
+/*
+ * Return true if more frames need to be processed. false otherwise.
+ * Param 'bound' indicates max. # frames to process before break out.
+ */
+static bool
+brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound)
+{
+ struct sk_buff *p;
+ struct sk_buff *head = NULL;
+ struct sk_buff *tail = NULL;
+ uint n = 0;
+ uint bound_limit = bound ? wlc_hw->wlc->pub->tunables->rxbnd : -1;
+ struct brcms_d11rxhdr *wlc_rxhdr = NULL;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+ /* gather received frames */
+ while ((p = dma_rx(wlc_hw->di[fifo]))) {
+
+ if (!tail)
+ head = tail = p;
+ else {
+ tail->prev = p;
+ tail = p;
+ }
+
+ /* !give others some time to run! */
+ if (++n >= bound_limit)
+ break;
+ }
+
+ /* post more rbufs */
+ dma_rxfill(wlc_hw->di[fifo]);
+
+ /* process each frame */
+ while ((p = head) != NULL) {
+ head = head->prev;
+ p->prev = NULL;
+
+ wlc_rxhdr = (struct brcms_d11rxhdr *) p->data;
+
+ /* compute the RSSI from d11rxhdr and record it in wlc_rxd11hr */
+ wlc_phy_rssi_compute(wlc_hw->band->pi, wlc_rxhdr);
+
+ brcms_c_recv(wlc_hw->wlc, p);
+ }
+
+ return n >= bound_limit;
+}
+
+/* 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.
+ */
+bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded)
+{
+ u32 macintstatus;
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ d11regs_t *regs = wlc_hw->regs;
+ bool fatal = false;
+ struct wiphy *wiphy = wlc->wiphy;
+
+ if (DEVICEREMOVED(wlc)) {
+ wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
+ __func__);
+ brcms_down(wlc->wl);
+ return false;
+ }
+
+ /* grab and clear the saved software intstatus bits */
+ macintstatus = wlc->macintstatus;
+ wlc->macintstatus = 0;
+
+ BCMMSG(wlc->wiphy, "wl%d: macintstatus 0x%x\n",
+ wlc_hw->unit, macintstatus);
+
+ WARN_ON(macintstatus & MI_PRQ); /* PRQ Interrupt in non-MBSS */
+
+ /* BCN template is available */
+ /* ZZZ: Use AP_ACTIVE ? */
+ if (AP_ENAB(wlc->pub) && (!APSTA_ENAB(wlc->pub))
+ && (macintstatus & MI_BCNTPL)) {
+ brcms_c_update_beacon(wlc);
+ }
+
+ /* tx status */
+ if (macintstatus & MI_TFS) {
+ if (brcms_b_txstatus(wlc->hw, bounded, &fatal))
+ wlc->macintstatus |= MI_TFS;
+ if (fatal) {
+ wiphy_err(wiphy, "MI_TFS: fatal\n");
+ goto fatal;
+ }
+ }
+
+ if (macintstatus & (MI_TBTT | MI_DTIM_TBTT))
+ brcms_c_tbtt(wlc);
+
+ /* ATIM window end */
+ if (macintstatus & MI_ATIMWINEND) {
+ BCMMSG(wlc->wiphy, "end of ATIM window\n");
+ OR_REG(®s->maccommand, wlc->qvalid);
+ wlc->qvalid = 0;
+ }
+
+ /* received data or control frame, MI_DMAINT is indication of RX_FIFO interrupt */
+ if (macintstatus & MI_DMAINT)
+ if (brcms_b_recv(wlc_hw, RX_FIFO, bounded))
+ wlc->macintstatus |= MI_DMAINT;
+
+ /* TX FIFO suspend/flush completion */
+ if (macintstatus & MI_TXSTOP)
+ brcms_b_tx_fifo_suspended(wlc_hw, TX_DATA_FIFO);
+
+ /* noise sample collected */
+ if (macintstatus & MI_BG_NOISE) {
+ wlc_phy_noise_sample_intr(wlc_hw->band->pi);
+ }
+
+ if (macintstatus & MI_GP0) {
+ wiphy_err(wiphy, "wl%d: PSM microcode watchdog fired at %d "
+ "(seconds). Resetting.\n", wlc_hw->unit, wlc_hw->now);
+
+ printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n",
+ __func__, wlc_hw->sih->chip,
+ wlc_hw->sih->chiprev);
+ /* big hammer */
+ brcms_init(wlc->wl);
+ }
+
+ /* gptimer timeout */
+ if (macintstatus & MI_TO) {
+ W_REG(®s->gptimer, 0);
+ }
+
+ if (macintstatus & MI_RFDISABLE) {
+ BCMMSG(wlc->wiphy, "wl%d: BMAC Detected a change on the"
+ " RF Disable Input\n", wlc_hw->unit);
+ brcms_rfkill_set_hw_state(wlc->wl);
+ }
+
+ /* send any enq'd tx packets. Just makes sure to jump start tx */
+ if (!pktq_empty(&wlc->pkt_queue->q))
+ brcms_c_send_q(wlc);
+
+ /* it isn't done and needs to be resched if macintstatus is non-zero */
+ return wlc->macintstatus != 0;
+
+ fatal:
+ brcms_init(wlc->wl);
+ 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)
+{
+ state->machwcap = wlc_hw->machwcap;
+
+ return 0;
+}
+
+static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme)
+{
+ uint i;
+ char name[8];
+ /* ucode host flag 2 needed for pio mode, independent of band and fifo */
+ u16 pio_mhf2 = 0;
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ uint unit = wlc_hw->unit;
+ struct brcms_tunables *tune = wlc->pub->tunables;
+ struct wiphy *wiphy = wlc->wiphy;
+
+ /* name and offsets for dma_attach */
+ snprintf(name, sizeof(name), "wl%d", unit);
+
+ if (wlc_hw->di[0] == 0) { /* Init FIFOs */
+ uint addrwidth;
+ int dma_attach_err = 0;
+ /* Find out the DMA addressing capability and let OS know
+ * All the channels within one DMA core have 'common-minimum' same
+ * capability
+ */
+ addrwidth =
+ dma_addrwidth(wlc_hw->sih, DMAREG(wlc_hw, DMA_TX, 0));
+
+ if (!wl_alloc_dma_resources(wlc_hw->wlc->wl, addrwidth)) {
+ wiphy_err(wiphy, "wl%d: wlc_attach: alloc_dma_"
+ "resources failed\n", unit);
+ return false;
+ }
+
+ /*
+ * FIFO 0
+ * TX: TX_AC_BK_FIFO (TX AC Background data packets)
+ * RX: RX_FIFO (RX data packets)
+ */
+ wlc_hw->di[0] = dma_attach(name, wlc_hw->sih,
+ (wme ? DMAREG(wlc_hw, DMA_TX, 0) :
+ NULL), DMAREG(wlc_hw, DMA_RX, 0),
+ (wme ? tune->ntxd : 0), tune->nrxd,
+ tune->rxbufsz, -1, tune->nrxbufpost,
+ BRCMS_HWRXOFF, &brcm_msg_level);
+ dma_attach_err |= (NULL == wlc_hw->di[0]);
+
+ /*
+ * FIFO 1
+ * TX: TX_AC_BE_FIFO (TX AC Best-Effort data packets)
+ * (legacy) TX_DATA_FIFO (TX data packets)
+ * RX: UNUSED
+ */
+ wlc_hw->di[1] = dma_attach(name, wlc_hw->sih,
+ DMAREG(wlc_hw, DMA_TX, 1), NULL,
+ tune->ntxd, 0, 0, -1, 0, 0,
+ &brcm_msg_level);
+ dma_attach_err |= (NULL == wlc_hw->di[1]);
+
+ /*
+ * FIFO 2
+ * TX: TX_AC_VI_FIFO (TX AC Video data packets)
+ * RX: UNUSED
+ */
+ wlc_hw->di[2] = dma_attach(name, wlc_hw->sih,
+ DMAREG(wlc_hw, DMA_TX, 2), NULL,
+ tune->ntxd, 0, 0, -1, 0, 0,
+ &brcm_msg_level);
+ dma_attach_err |= (NULL == wlc_hw->di[2]);
+ /*
+ * FIFO 3
+ * TX: TX_AC_VO_FIFO (TX AC Voice data packets)
+ * (legacy) TX_CTL_FIFO (TX control & mgmt packets)
+ */
+ wlc_hw->di[3] = dma_attach(name, wlc_hw->sih,
+ DMAREG(wlc_hw, DMA_TX, 3),
+ NULL, tune->ntxd, 0, 0, -1,
+ 0, 0, &brcm_msg_level);
+ dma_attach_err |= (NULL == wlc_hw->di[3]);
+/* Cleaner to leave this as if with AP defined */
+
+ if (dma_attach_err) {
+ wiphy_err(wiphy, "wl%d: wlc_attach: dma_attach failed"
+ "\n", unit);
+ return false;
+ }
+
+ /* get pointer to dma engine tx flow control variable */
+ for (i = 0; i < NFIFO; i++)
+ if (wlc_hw->di[i])
+ wlc_hw->txavail[i] =
+ (uint *) dma_getvar(wlc_hw->di[i],
+ "&txavail");
+ }
+
+ /* initial ucode host flags */
+ brcms_c_mhfdef(wlc, wlc_hw->band->mhfs, pio_mhf2);
+
+ return true;
+}
+
+static void brcms_b_detach_dmapio(struct brcms_hardware *wlc_hw)
+{
+ uint j;
+
+ for (j = 0; j < NFIFO; j++) {
+ if (wlc_hw->di[j]) {
+ dma_detach(wlc_hw->di[j]);
+ wlc_hw->di[j] = NULL;
+ }
+ }
+}
+
+/* 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);
+
+ 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;
+
+ /* populate struct brcms_hardware with default values */
+ brcms_b_info_init(wlc_hw);
+
+ /*
+ * 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;
+
+ /*
+ * 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;
+
+ 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);
+}
+
+void brcms_b_hw_etheraddr(struct brcms_hardware *wlc_hw, u8 *ea)
+{
+ memcpy(ea, wlc_hw->etheraddr, ETH_ALEN);
+}
+
+static int brcms_b_bandtype(struct brcms_hardware *wlc_hw)
+{
+ return wlc_hw->band->bandtype;
+}
+
+/* control chip clock to save power, enable dynamic clock or force fast clock */
+static void brcms_b_clkctl_clk(struct brcms_hardware *wlc_hw, uint mode)
+{
+ if (PMUCTL_ENAB(wlc_hw->sih)) {
+ /* new chips with PMU, CCS_FORCEHT will distribute the HT clock on backplane,
+ * but mac core will still run on ALP(not HT) when it enters powersave mode,
+ * which means the FCA bit may not be set.
+ * should wakeup mac if driver wants it to run on HT.
+ */
+
+ if (wlc_hw->clk) {
+ if (mode == CLK_FAST) {
+ OR_REG(&wlc_hw->regs->clk_ctl_st,
+ CCS_FORCEHT);
+
+ udelay(64);
+
+ SPINWAIT(((R_REG
+ (&wlc_hw->regs->
+ clk_ctl_st) & CCS_HTAVAIL) == 0),
+ PMU_MAX_TRANSITION_DLY);
+ WARN_ON(!(R_REG
+ (&wlc_hw->regs->
+ clk_ctl_st) & CCS_HTAVAIL));
+ } else {
+ if ((wlc_hw->sih->pmurev == 0) &&
+ (R_REG
+ (&wlc_hw->regs->
+ clk_ctl_st) & (CCS_FORCEHT | CCS_HTAREQ)))
+ SPINWAIT(((R_REG
+ (&wlc_hw->regs->
+ clk_ctl_st) & CCS_HTAVAIL)
+ == 0),
+ PMU_MAX_TRANSITION_DLY);
+ AND_REG(&wlc_hw->regs->clk_ctl_st,
+ ~CCS_FORCEHT);
+ }
+ }
+ wlc_hw->forcefastclk = (mode == CLK_FAST);
+ } else {
+
+ /* old chips w/o PMU, force HT through cc,
+ * then use FCA to verify mac is running fast clock
+ */
+
+ wlc_hw->forcefastclk = ai_clkctl_cc(wlc_hw->sih, mode);
+
+ /* check fast clock is available (if core is not in reset) */
+ if (wlc_hw->forcefastclk && wlc_hw->clk)
+ WARN_ON(!(ai_core_sflags(wlc_hw->sih, 0, 0) &
+ SISF_FCLKA));
+
+ /* keep the ucode wake bit on if forcefastclk is on
+ * since we do not want ucode to put us back to slow clock
+ * when it dozes for PM mode.
+ * Code below matches the wake override bit with current forcefastclk state
+ * Only setting bit in wake_override instead of waking ucode immediately
+ * since old code (wlc.c 1.4499) had this behavior. Older code set
+ * wlc->forcefastclk but only had the wake happen if the wakup_ucode work
+ * (protected by an up check) was executed just below.
+ */
+ if (wlc_hw->forcefastclk)
+ mboolset(wlc_hw->wake_override,
+ BRCMS_WAKE_OVERRIDE_FORCEFAST);
+ else
+ mboolclr(wlc_hw->wake_override,
+ BRCMS_WAKE_OVERRIDE_FORCEFAST);
+ }
+}
+
+/* set initial host flags value */
+static void
+brcms_c_mhfdef(struct brcms_c_info *wlc, u16 *mhfs, u16 mhf2_init)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+
+ memset(mhfs, 0, MHFMAX * sizeof(u16));
+
+ mhfs[MHF2] |= mhf2_init;
+
+ /* prohibit use of slowclock on multifunction boards */
+ if (wlc_hw->boardflags & BFL_NOPLLDOWN)
+ mhfs[MHF1] |= MHF1_FORCEFASTCLK;
+
+ if (BRCMS_ISNPHY(wlc_hw->band) && NREV_LT(wlc_hw->band->phyrev, 2)) {
+ mhfs[MHF2] |= MHF2_NPHY40MHZ_WAR;
+ mhfs[MHF1] |= MHF1_IQSWAP_WAR;
+ }
+}
+
+/* set or clear ucode host flag bits
+ * it has an optimization for no-change write
+ * it only writes through shared memory when the core has clock;
+ * pre-CLK changes should use wlc_write_mhf to get around the optimization
+ *
+ *
+ * bands values are: BRCM_BAND_AUTO <--- Current band only
+ * BRCM_BAND_5G <--- 5G band only
+ * BRCM_BAND_2G <--- 2G band only
+ * BRCM_BAND_ALL <--- All bands
+ */
+void
+brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val,
+ int bands)
+{
+ u16 save;
+ u16 addr[MHFMAX] = {
+ M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
+ M_HOST_FLAGS5
+ };
+ struct brcms_hw_band *band;
+
+ if ((val & ~mask) || idx >= MHFMAX)
+ return; /* error condition */
+
+ switch (bands) {
+ /* Current band only or all bands,
+ * then set the band to current band
+ */
+ case BRCM_BAND_AUTO:
+ case BRCM_BAND_ALL:
+ 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) {
+ save = band->mhfs[idx];
+ band->mhfs[idx] = (band->mhfs[idx] & ~mask) | val;
+
+ /* optimization: only write through if changed, and
+ * changed band is the current band
+ */
+ if (wlc_hw->clk && (band->mhfs[idx] != save)
+ && (band == wlc_hw->band))
+ brcms_b_write_shm(wlc_hw, addr[idx],
+ (u16) band->mhfs[idx]);
+ }
+
+ if (bands == BRCM_BAND_ALL) {
+ wlc_hw->bandstate[0]->mhfs[idx] =
+ (wlc_hw->bandstate[0]->mhfs[idx] & ~mask) | val;
+ wlc_hw->bandstate[1]->mhfs[idx] =
+ (wlc_hw->bandstate[1]->mhfs[idx] & ~mask) | val;
+ }
+}
+
+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;
+ u16 addr[] = {
+ M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
+ M_HOST_FLAGS5
+ };
+
+ for (idx = 0; idx < MHFMAX; idx++) {
+ brcms_b_write_shm(wlc_hw, addr[idx], mhfs[idx]);
+ }
+}
+
+/* set the maccontrol register to desired reset state and
+ * initialize the sw cache of the register
+ */
+static void brcms_c_mctrl_reset(struct brcms_hardware *wlc_hw)
+{
+ /* IHR accesses are always enabled, PSM disabled, HPS off and WAKE on */
+ wlc_hw->maccontrol = 0;
+ wlc_hw->suspended_fifos = 0;
+ wlc_hw->wake_override = 0;
+ wlc_hw->mute_override = 0;
+ brcms_b_mctrl(wlc_hw, ~0, MCTL_IHR_EN | MCTL_WAKE);
+}
+
+/* set or clear maccontrol bits */
+void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val)
+{
+ u32 maccontrol;
+ u32 new_maccontrol;
+
+ if (val & ~mask)
+ return; /* error condition */
+ maccontrol = wlc_hw->maccontrol;
+ new_maccontrol = (maccontrol & ~mask) | val;
+
+ /* if the new maccontrol value is the same as the old, nothing to do */
+ if (new_maccontrol == maccontrol)
+ return;
+
+ /* something changed, cache the new value */
+ wlc_hw->maccontrol = new_maccontrol;
+
+ /* write the new values with overrides applied */
+ brcms_c_mctrl_write(wlc_hw);
+}
+
+/* write the software state of maccontrol and overrides to the maccontrol register */
+static void brcms_c_mctrl_write(struct brcms_hardware *wlc_hw)
+{
+ u32 maccontrol = wlc_hw->maccontrol;
+
+ /* OR in the wake bit if overridden */
+ if (wlc_hw->wake_override)
+ maccontrol |= MCTL_WAKE;
+
+ /* set AP and INFRA bits for mute if needed */
+ if (wlc_hw->mute_override) {
+ maccontrol &= ~(MCTL_AP);
+ maccontrol |= MCTL_INFRA;
+ }
+
+ W_REG(&wlc_hw->regs->maccontrol, maccontrol);
+}
+
+void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
+ u32 override_bit)
+{
+ if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE)) {
+ mboolset(wlc_hw->wake_override, override_bit);
+ return;
+ }
+
+ mboolset(wlc_hw->wake_override, override_bit);
+
+ brcms_c_mctrl_write(wlc_hw);
+ brcms_b_wait_for_wake(wlc_hw);
+
+ return;
+}
+
+void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
+ u32 override_bit)
+{
+ mboolclr(wlc_hw->wake_override, override_bit);
+
+ if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE))
+ return;
+
+ brcms_c_mctrl_write(wlc_hw);
+
+ return;
+}
+
+/* When driver needs ucode to stop beaconing, it has to make sure that
+ * MCTL_AP is clear and MCTL_INFRA is set
+ * Mode MCTL_AP MCTL_INFRA
+ * AP 1 1
+ * STA 0 1 <--- This will ensure no beacons
+ * IBSS 0 0
+ */
+static void brcms_c_ucode_mute_override_set(struct brcms_hardware *wlc_hw)
+{
+ wlc_hw->mute_override = 1;
+
+ /* if maccontrol already has AP == 0 and INFRA == 1 without this
+ * override, then there is no change to write
+ */
+ if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
+ return;
+
+ brcms_c_mctrl_write(wlc_hw);
+
+ return;
+}
+
+/* Clear the override on AP and INFRA bits */
+static void brcms_c_ucode_mute_override_clear(struct brcms_hardware *wlc_hw)
+{
+ if (wlc_hw->mute_override == 0)
+ return;
+
+ wlc_hw->mute_override = 0;
+
+ /* if maccontrol already has AP == 0 and INFRA == 1 without this
+ * override, then there is no change to write
+ */
+ if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
+ return;
+
+ brcms_c_mctrl_write(wlc_hw);
+}
+
+/*
+ * Write a MAC address to the given match reg offset in the RXE match engine.
+ */
+void
+brcms_b_set_addrmatch(struct brcms_hardware *wlc_hw, int match_reg_offset,
+ const u8 *addr)
+{
+ d11regs_t *regs;
+ u16 mac_l;
+ u16 mac_m;
+ u16 mac_h;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d: brcms_b_set_addrmatch\n",
+ wlc_hw->unit);
+
+ regs = wlc_hw->regs;
+ mac_l = addr[0] | (addr[1] << 8);
+ mac_m = addr[2] | (addr[3] << 8);
+ mac_h = addr[4] | (addr[5] << 8);
+
+ /* enter the MAC addr into the RXE match registers */
+ W_REG(®s->rcm_ctl, RCM_INC_DATA | match_reg_offset);
+ W_REG(®s->rcm_mat_data, mac_l);
+ W_REG(®s->rcm_mat_data, mac_m);
+ W_REG(®s->rcm_mat_data, mac_h);
+
+}
+
+void
+brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset, int len,
+ void *buf)
+{
+ d11regs_t *regs;
+ u32 word;
+ bool be_bit;
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ regs = wlc_hw->regs;
+ W_REG(®s->tplatewrptr, offset);
+
+ /* if MCTL_BIGEND bit set in mac control register,
+ * the chip swaps data in fifo, as well as data in
+ * template ram
+ */
+ be_bit = (R_REG(®s->maccontrol) & MCTL_BIGEND) != 0;
+
+ while (len > 0) {
+ memcpy(&word, buf, sizeof(u32));
+
+ if (be_bit)
+ word = cpu_to_be32(word);
+ else
+ word = cpu_to_le32(word);
+
+ W_REG(®s->tplatewrdata, word);
+
+ buf = (u8 *) buf + sizeof(u32);
+ len -= sizeof(u32);
+ }
+}
+
+void brcms_b_set_cwmin(struct brcms_hardware *wlc_hw, u16 newmin)
+{
+ wlc_hw->band->CWmin = newmin;
+
+ W_REG(&wlc_hw->regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_CWMIN);
+ (void)R_REG(&wlc_hw->regs->objaddr);
+ W_REG(&wlc_hw->regs->objdata, newmin);
+}
+
+void brcms_b_set_cwmax(struct brcms_hardware *wlc_hw, u16 newmax)
+{
+ wlc_hw->band->CWmax = newmax;
+
+ W_REG(&wlc_hw->regs->objaddr, OBJADDR_SCR_SEL | S_DOT11_CWMAX);
+ (void)R_REG(&wlc_hw->regs->objaddr);
+ W_REG(&wlc_hw->regs->objdata, newmax);
+}
+
+void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw)
+{
+ bool fastclk;
+
+ /* request FAST clock if not on */
+ fastclk = wlc_hw->forcefastclk;
+ if (!fastclk)
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+
+ wlc_phy_bw_state_set(wlc_hw->band->pi, bw);
+
+ brcms_b_phy_reset(wlc_hw);
+ wlc_phy_init(wlc_hw->band->pi, wlc_phy_chanspec_get(wlc_hw->band->pi));
+
+ /* restore the clk */
+ if (!fastclk)
+ brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
+}
+
+static void
+brcms_c_write_hw_bcntemplate0(struct brcms_hardware *wlc_hw, void *bcn,
+ int len)
+{
+ d11regs_t *regs = wlc_hw->regs;
+
+ brcms_b_write_template_ram(wlc_hw, T_BCN0_TPL_BASE, (len + 3) & ~3,
+ bcn);
+ /* write beacon length to SCR */
+ brcms_b_write_shm(wlc_hw, M_BCN0_FRM_BYTESZ, (u16) len);
+ /* mark beacon0 valid */
+ OR_REG(®s->maccommand, MCMD_BCN0VLD);
+}
+
+static void
+brcms_c_write_hw_bcntemplate1(struct brcms_hardware *wlc_hw, void *bcn,
+ int len)
+{
+ d11regs_t *regs = wlc_hw->regs;
+
+ brcms_b_write_template_ram(wlc_hw, T_BCN1_TPL_BASE, (len + 3) & ~3,
+ bcn);
+ /* write beacon length to SCR */
+ brcms_b_write_shm(wlc_hw, M_BCN1_FRM_BYTESZ, (u16) len);
+ /* mark beacon1 valid */
+ 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;
+ struct brcms_c_info *wlc = wlc_hw->wlc;
+ /* update SYNTHPU_DLY */
+
+ if (BRCMS_ISLCNPHY(wlc->band)) {
+ v = SYNTHPU_DLY_LPPHY_US;
+ } else if (BRCMS_ISNPHY(wlc->band) && (NREV_GE(wlc->band->phyrev, 3))) {
+ v = SYNTHPU_DLY_NPHY_US;
+ } else {
+ v = SYNTHPU_DLY_BPHY_US;
+ }
+
+ brcms_b_write_shm(wlc_hw, M_SYNTHPU_DLY, v);
+}
+
+/* band-specific init */
+static void brcms_b_bsinit(struct brcms_c_info *wlc, chanspec_t chanspec)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+
+ BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
+ wlc_hw->band->bandunit);
+
+ brcms_c_ucode_bsinit(wlc_hw);
+
+ wlc_phy_init(wlc_hw->band->pi, chanspec);
+
+ brcms_c_ucode_txant_set(wlc_hw);
+
+ /* cwmin is band-specific, update hardware with value for current band */
+ brcms_b_set_cwmin(wlc_hw, wlc_hw->band->CWmin);
+ brcms_b_set_cwmax(wlc_hw, wlc_hw->band->CWmax);
+
+ brcms_b_update_slot_timing(wlc_hw,
+ BAND_5G(wlc_hw->band->
+ bandtype) ? true : wlc_hw->
+ shortslot);
+
+ /* write phytype and phyvers */
+ brcms_b_write_shm(wlc_hw, M_PHYTYPE, (u16) wlc_hw->band->phytype);
+ brcms_b_write_shm(wlc_hw, M_PHYVER, (u16) wlc_hw->band->phyrev);
+
+ /* initialize the txphyctl1 rate table since shmem is shared between bands */
+ brcms_upd_ofdm_pctl1_table(wlc_hw);
+
+ brcms_b_upd_synthpu(wlc_hw);
+}
+
+static void brcms_b_core_phy_clk(struct brcms_hardware *wlc_hw, bool clk)
+{
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d: clk %d\n", wlc_hw->unit, clk);
+
+ wlc_hw->phyclk = clk;
+
+ if (OFF == clk) { /* clear gmode bit, put phy into reset */
+
+ ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC | SICF_GMODE),
+ (SICF_PRST | SICF_FGC));
+ udelay(1);
+ ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC), SICF_PRST);
+ udelay(1);
+
+ } else { /* take phy out of reset */
+
+ ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_FGC), SICF_FGC);
+ udelay(1);
+ ai_core_cflags(wlc_hw->sih, (SICF_FGC), 0);
+ udelay(1);
+
+ }
+}
+
+/* Perform a soft reset of the PHY PLL */
+void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw)
+{
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ ai_corereg(wlc_hw->sih, SI_CC_IDX,
+ offsetof(chipcregs_t, chipcontrol_addr), ~0, 0);
+ udelay(1);
+ ai_corereg(wlc_hw->sih, SI_CC_IDX,
+ offsetof(chipcregs_t, chipcontrol_data), 0x4, 0);
+ udelay(1);
+ ai_corereg(wlc_hw->sih, SI_CC_IDX,
+ offsetof(chipcregs_t, chipcontrol_data), 0x4, 4);
+ udelay(1);
+ ai_corereg(wlc_hw->sih, SI_CC_IDX,
+ offsetof(chipcregs_t, chipcontrol_data), 0x4, 0);
+ udelay(1);
+}
+
+/* light way to turn on phy clock without reset for NPHY only
+ * refer to brcms_b_core_phy_clk for full version
+ */
+void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk)
+{
+ /* support(necessary for NPHY and HYPHY) only */
+ if (!BRCMS_ISNPHY(wlc_hw->band))
+ return;
+
+ if (ON == clk)
+ ai_core_cflags(wlc_hw->sih, SICF_FGC, SICF_FGC);
+ else
+ ai_core_cflags(wlc_hw->sih, SICF_FGC, 0);
+
+}
+
+void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk)
+{
+ if (ON == clk)
+ ai_core_cflags(wlc_hw->sih, SICF_MPCLKE, SICF_MPCLKE);
+ else
+ ai_core_cflags(wlc_hw->sih, SICF_MPCLKE, 0);
+}
+
+void brcms_b_phy_reset(struct brcms_hardware *wlc_hw)
+{
+ struct brcms_phy_pub *pih = wlc_hw->band->pi;
+ u32 phy_bw_clkbits;
+ bool phy_in_reset = false;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ if (pih == NULL)
+ return;
+
+ phy_bw_clkbits = wlc_phy_clk_bwbits(wlc_hw->band->pi);
+
+ /* Specific reset sequence required for NPHY rev 3 and 4 */
+ if (BRCMS_ISNPHY(wlc_hw->band) && NREV_GE(wlc_hw->band->phyrev, 3) &&
+ NREV_LE(wlc_hw->band->phyrev, 4)) {
+ /* Set the PHY bandwidth */
+ ai_core_cflags(wlc_hw->sih, SICF_BWMASK, phy_bw_clkbits);
+
+ udelay(1);
+
+ /* Perform a soft reset of the PHY PLL */
+ brcms_b_core_phypll_reset(wlc_hw);
+
+ /* reset the PHY */
+ ai_core_cflags(wlc_hw->sih, (SICF_PRST | SICF_PCLKE),
+ (SICF_PRST | SICF_PCLKE));
+ phy_in_reset = true;
+ } else {
+
+ ai_core_cflags(wlc_hw->sih,
+ (SICF_PRST | SICF_PCLKE | SICF_BWMASK),
+ (SICF_PRST | SICF_PCLKE | phy_bw_clkbits));
+ }
+
+ udelay(2);
+ brcms_b_core_phy_clk(wlc_hw, ON);
+
+ if (pih)
+ wlc_phy_anacore(pih, ON);
+}
+
+/* switch to and initialize new band */
+static void brcms_b_setband(struct brcms_hardware *wlc_hw, uint bandunit,
+ chanspec_t chanspec) {
+ struct brcms_c_info *wlc = wlc_hw->wlc;
+ u32 macintmask;
+
+ /* Enable the d11 core before accessing it */
+ if (!ai_iscoreup(wlc_hw->sih)) {
+ ai_core_reset(wlc_hw->sih, 0, 0);
+ brcms_c_mctrl_reset(wlc_hw);
+ }
+
+ macintmask = brcms_c_setband_inact(wlc, bandunit);
+
+ if (!wlc_hw->up)
+ return;
+
+ brcms_b_core_phy_clk(wlc_hw, ON);
+
+ /* band-specific initializations */
+ brcms_b_bsinit(wlc, chanspec);
+
+ /*
+ * If there are any pending software interrupt bits,
+ * then replace these with a harmless nonzero value
+ * so brcms_c_dpc() will re-enable interrupts when done.
+ */
+ if (wlc->macintstatus)
+ wlc->macintstatus = MI_DMAINT;
+
+ /* restore macintmask */
+ brcms_intrsrestore(wlc->wl, macintmask);
+
+ /* ucode should still be suspended.. */
+ WARN_ON((R_REG(&wlc_hw->regs->maccontrol) & MCTL_EN_MAC) != 0);
+}
+
+/* low-level band switch utility routine */
+void brcms_c_setxband(struct brcms_hardware *wlc_hw, uint bandunit)
+{
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
+ bandunit);
+
+ wlc_hw->band = wlc_hw->bandstate[bandunit];
+
+ /* BMAC_NOTE: until we eliminate need for wlc->band refs in low level code */
+ wlc_hw->wlc->band = wlc_hw->wlc->bandstate[bandunit];
+
+ /* set gmode core flag */
+ if (wlc_hw->sbclk && !wlc_hw->noreset) {
+ ai_core_cflags(wlc_hw->sih, SICF_GMODE,
+ ((bandunit == 0) ? SICF_GMODE : 0));
+ }
+}
+
+static bool brcms_c_isgoodchip(struct brcms_hardware *wlc_hw)
+{
+
+ /* reject unsupported corerev */
+ if (!VALID_COREREV(wlc_hw->corerev)) {
+ wiphy_err(wlc_hw->wlc->wiphy, "unsupported core rev %d\n",
+ wlc_hw->corerev);
+ return false;
+ }
+
+ return true;
+}
+
+/* Validate some board info parameters */
+static bool brcms_c_validboardtype(struct brcms_hardware *wlc_hw)
+{
+ uint boardrev = wlc_hw->boardrev;
+
+ /* 4 bits each for board type, major, minor, and tiny version */
+ uint brt = (boardrev & 0xf000) >> 12;
+ uint b0 = (boardrev & 0xf00) >> 8;
+ uint b1 = (boardrev & 0xf0) >> 4;
+ uint b2 = boardrev & 0xf;
+
+ /* voards from other vendors are always considered valid */
+ if (wlc_hw->sih->boardvendor != PCI_VENDOR_ID_BROADCOM)
+ return true;
+
+ /* do some boardrev sanity checks when boardvendor is Broadcom */
+ if (boardrev == 0)
+ return false;
+
+ if (boardrev <= 0xff)
+ return true;
+
+ if ((brt > 2) || (brt == 0) || (b0 > 9) || (b0 == 0) || (b1 > 9)
+ || (b2 > 9))
+ return false;
+
+ return true;
+}
+
+static char *brcms_c_get_macaddr(struct brcms_hardware *wlc_hw)
+{
+ const char *varname = "macaddr";
+ char *macaddr;
+
+ /* If macaddr exists, use it (Sromrev4, CIS, ...). */
+ macaddr = getvar(wlc_hw->vars, varname);
+ if (macaddr != NULL)
+ return macaddr;
+
+ if (NBANDS_HW(wlc_hw) > 1)
+ varname = "et1macaddr";
+ else
+ varname = "il0macaddr";
+
+ macaddr = getvar(wlc_hw->vars, varname);
+ if (macaddr == NULL) {
+ wiphy_err(wlc_hw->wlc->wiphy, "wl%d: wlc_get_macaddr: macaddr "
+ "getvar(%s) not found\n", wlc_hw->unit, varname);
+ }
+
+ return macaddr;
+}
+
+/*
+ * Return true if radio is disabled, otherwise false.
+ * hw radio disable signal is an external pin, users activate it asynchronously
+ * this function could be called when driver is down and w/o clock
+ * it operates on different registers depending on corerev and boardflag.
+ */
+bool brcms_b_radio_read_hwdisabled(struct brcms_hardware *wlc_hw)
+{
+ bool v, clk, xtal;
+ u32 resetbits = 0, flags = 0;
+
+ xtal = wlc_hw->sbclk;
+ if (!xtal)
+ brcms_b_xtal(wlc_hw, ON);
+
+ /* may need to take core out of reset first */
+ clk = wlc_hw->clk;
+ if (!clk) {
+ /*
+ * mac no longer enables phyclk automatically when driver
+ * accesses phyreg throughput mac. This can be skipped since
+ * only mac reg is accessed below
+ */
+ flags |= SICF_PCLKE;
+
+ /* 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);
+ ai_core_reset(wlc_hw->sih, flags, resetbits);
+ brcms_c_mctrl_reset(wlc_hw);
+ }
+
+ v = ((R_REG(&wlc_hw->regs->phydebug) & PDBG_RFD) != 0);
+
+ /* put core back into reset */
+ if (!clk)
+ ai_core_disable(wlc_hw->sih, 0);
+
+ if (!xtal)
+ brcms_b_xtal(wlc_hw, OFF);
+
+ 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];
+ return dma_rxreset(di);
+}
+
+/* d11 core reset
+ * ensure fask clock during reset
+ * reset dma
+ * reset d11(out of reset)
+ * reset phy(out of reset)
+ * clear software macintstatus for fresh new start
+ * one testing hack wlc_hw->noreset will bypass the d11/phy reset
+ */
+void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags)
+{
+ d11regs_t *regs;
+ uint i;
+ bool fastclk;
+ u32 resetbits = 0;
+
+ if (flags == BRCMS_USE_COREFLAGS)
+ flags = (wlc_hw->band->pi ? wlc_hw->band->core_flags : 0);
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ regs = wlc_hw->regs;
+
+ /* request FAST clock if not on */
+ fastclk = wlc_hw->forcefastclk;
+ if (!fastclk)
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+
+ /* reset the dma engines except first time thru */
+ if (ai_iscoreup(wlc_hw->sih)) {
+ for (i = 0; i < NFIFO; i++)
+ if ((wlc_hw->di[i]) && (!dma_txreset(wlc_hw->di[i]))) {
+ wiphy_err(wlc_hw->wlc->wiphy, "wl%d: %s: "
+ "dma_txreset[%d]: cannot stop dma\n",
+ wlc_hw->unit, __func__, i);
+ }
+
+ if ((wlc_hw->di[RX_FIFO])
+ && (!wlc_dma_rxreset(wlc_hw, RX_FIFO))) {
+ wiphy_err(wlc_hw->wlc->wiphy, "wl%d: %s: dma_rxreset"
+ "[%d]: cannot stop dma\n",
+ wlc_hw->unit, __func__, RX_FIFO);
+ }
+ }
+ /* if noreset, just stop the psm and return */
+ if (wlc_hw->noreset) {
+ wlc_hw->wlc->macintstatus = 0; /* skip wl_dpc after down */
+ brcms_b_mctrl(wlc_hw, MCTL_PSM_RUN | MCTL_EN_MAC, 0);
+ return;
+ }
+
+ /*
+ * mac no longer enables phyclk automatically when driver accesses
+ * phyreg throughput mac, AND phy_reset is skipped at early stage when
+ * band->pi is invalid. need to enable PHY CLK
+ */
+ flags |= SICF_PCLKE;
+
+ /* reset the core
+ * In chips with PMU, the fastclk request goes through d11 core reg 0x1e0, which
+ * is cleared by the core_reset. have to re-request it.
+ * This adds some delay and we can optimize it by also requesting fastclk through
+ * chipcommon during this period if necessary. But that has to work coordinate
+ * with other driver like mips/arm since they may touch chipcommon as well.
+ */
+ wlc_hw->clk = false;
+ ai_core_reset(wlc_hw->sih, flags, resetbits);
+ wlc_hw->clk = true;
+ if (wlc_hw->band && wlc_hw->band->pi)
+ wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, true);
+
+ brcms_c_mctrl_reset(wlc_hw);
+
+ if (PMUCTL_ENAB(wlc_hw->sih))
+ brcms_b_clkctl_clk(wlc_hw, CLK_FAST);
+
+ brcms_b_phy_reset(wlc_hw);
+
+ /* turn on PHY_PLL */
+ brcms_b_core_phypll_ctl(wlc_hw, true);
+
+ /* clear sw intstatus */
+ wlc_hw->wlc->macintstatus = 0;
+
+ /* restore the clk setting */
+ if (!fastclk)
+ brcms_b_clkctl_clk(wlc_hw, CLK_DYNAMIC);
+}
+
+/* txfifo sizes needs to be modified(increased) since the newer cores
+ * have more memory.
+ */
+static void brcms_b_corerev_fifofixup(struct brcms_hardware *wlc_hw)
+{
+ d11regs_t *regs = wlc_hw->regs;
+ u16 fifo_nu;
+ u16 txfifo_startblk = TXFIFO_START_BLK, txfifo_endblk;
+ u16 txfifo_def, txfifo_def1;
+ 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));
+
+ /* 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]);
+}
+
+/* This function is used for changing the tsf frac register
+ * If spur avoidance mode is off, the mac freq will be 80/120/160Mhz
+ * If spur avoidance mode is on1, the mac freq will be 82/123/164Mhz
+ * If spur avoidance mode is on2, the mac freq will be 84/126/168Mhz
+ * HTPHY Formula is 2^26/freq(MHz) e.g.
+ * For spuron2 - 126MHz -> 2^26/126 = 532610.0
+ * - 532610 = 0x82082 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x2082
+ * For spuron: 123MHz -> 2^26/123 = 545600.5
+ * - 545601 = 0x85341 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x5341
+ * For spur off: 120MHz -> 2^26/120 = 559240.5
+ * - 559241 = 0x88889 => tsf_clk_frac_h = 0x8, tsf_clk_frac_l = 0x8889
+ */
+
+void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode)
+{
+ d11regs_t *regs;
+ regs = wlc_hw->regs;
+
+ if ((wlc_hw->sih->chip == BCM43224_CHIP_ID) ||
+ (wlc_hw->sih->chip == BCM43225_CHIP_ID)) {
+ if (spurmode == WL_SPURAVOID_ON2) { /* 126Mhz */
+ W_REG(®s->tsf_clk_frac_l, 0x2082);
+ W_REG(®s->tsf_clk_frac_h, 0x8);
+ } else if (spurmode == WL_SPURAVOID_ON1) { /* 123Mhz */
+ W_REG(®s->tsf_clk_frac_l, 0x5341);
+ W_REG(®s->tsf_clk_frac_h, 0x8);
+ } else { /* 120Mhz */
+ W_REG(®s->tsf_clk_frac_l, 0x8889);
+ W_REG(®s->tsf_clk_frac_h, 0x8);
+ }
+ } else if (BRCMS_ISLCNPHY(wlc_hw->band)) {
+ if (spurmode == WL_SPURAVOID_ON1) { /* 82Mhz */
+ W_REG(®s->tsf_clk_frac_l, 0x7CE0);
+ W_REG(®s->tsf_clk_frac_h, 0xC);
+ } else { /* 80Mhz */
+ W_REG(®s->tsf_clk_frac_l, 0xCCCD);
+ W_REG(®s->tsf_clk_frac_h, 0xC);
+ }
+ }
+}
+
+/* Initialize GPIOs that are controlled by D11 core */
+static void brcms_c_gpio_init(struct brcms_c_info *wlc)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ d11regs_t *regs;
+ u32 gc, gm;
+
+ regs = wlc_hw->regs;
+
+ /* use GPIO select 0 to get all gpio signals from the gpio out reg */
+ brcms_b_mctrl(wlc_hw, MCTL_GPOUT_SEL_MASK, 0);
+
+ /*
+ * Common GPIO setup:
+ * G0 = LED 0 = WLAN Activity
+ * G1 = LED 1 = WLAN 2.4 GHz Radio State
+ * G2 = LED 2 = WLAN 5 GHz Radio State
+ * G4 = radio disable input (HI enabled, LO disabled)
+ */
+
+ gc = gm = 0;
+
+ /* Allocate GPIOs for mimo antenna diversity feature */
+ if (wlc_hw->antsel_type == ANTSEL_2x3) {
+ /* Enable antenna diversity, use 2x3 mode */
+ brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
+ MHF3_ANTSEL_EN, BRCM_BAND_ALL);
+ brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE,
+ MHF3_ANTSEL_MODE, BRCM_BAND_ALL);
+
+ /* init superswitch control */
+ wlc_phy_antsel_init(wlc_hw->band->pi, false);
+
+ } else if (wlc_hw->antsel_type == ANTSEL_2x4) {
+ gm |= gc |= (BOARD_GPIO_12 | BOARD_GPIO_13);
+ /*
+ * The board itself is powered by these GPIOs
+ * (when not sending pattern) so set them high
+ */
+ OR_REG(®s->psm_gpio_oe,
+ (BOARD_GPIO_12 | BOARD_GPIO_13));
+ OR_REG(®s->psm_gpio_out,
+ (BOARD_GPIO_12 | BOARD_GPIO_13));
+
+ /* Enable antenna diversity, use 2x4 mode */
+ brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
+ MHF3_ANTSEL_EN, BRCM_BAND_ALL);
+ brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE, 0,
+ BRCM_BAND_ALL);
+
+ /* Configure the desired clock to be 4Mhz */
+ brcms_b_write_shm(wlc_hw, M_ANTSEL_CLKDIV,
+ ANTSEL_CLKDIV_4MHZ);
+ }
+
+ /* gpio 9 controls the PA. ucode is responsible for wiggling out and oe */
+ if (wlc_hw->boardflags & BFL_PACTRL)
+ gm |= gc |= BOARD_GPIO_PACTRL;
+
+ /* apply to gpiocontrol register */
+ ai_gpiocontrol(wlc_hw->sih, gm, gc, GPIO_DRV_PRIORITY);
+}
+
+static void brcms_ucode_download(struct brcms_hardware *wlc_hw)
+{
+ struct brcms_c_info *wlc;
+ wlc = wlc_hw->wlc;
+
+ if (wlc_hw->ucode_loaded)
+ return;
+
+ if (D11REV_IS(wlc_hw->corerev, 23)) {
+ if (BRCMS_ISNPHY(wlc_hw->band)) {
+ brcms_ucode_write(wlc_hw, bcm43xx_16_mimo,
+ bcm43xx_16_mimosz);
+ wlc_hw->ucode_loaded = true;
+ } else
+ wiphy_err(wlc->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_ucode_write(wlc_hw, bcm43xx_24_lcn,
+ bcm43xx_24_lcnsz);
+ wlc_hw->ucode_loaded = true;
+ } else {
+ wiphy_err(wlc->wiphy, "%s: wl%d: unsupported phy in "
+ "corerev %d\n",
+ __func__, wlc_hw->unit, wlc_hw->corerev);
+ }
+ }
+}
+
+static void brcms_ucode_write(struct brcms_hardware *wlc_hw, const u32 ucode[],
+ const uint nbytes) {
+ d11regs_t *regs = wlc_hw->regs;
+ uint i;
+ uint count;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ count = (nbytes / sizeof(u32));
+
+ W_REG(®s->objaddr, (OBJADDR_AUTO_INC | OBJADDR_UCM_SEL));
+ (void)R_REG(®s->objaddr);
+ for (i = 0; i < count; i++)
+ W_REG(®s->objdata, ucode[i]);
+}
+
+static void brcms_c_write_inits(struct brcms_hardware *wlc_hw,
+ const struct d11init *inits)
+{
+ int i;
+ volatile u8 *base;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ base = (volatile u8 *)wlc_hw->regs;
+
+ for (i = 0; inits[i].addr != 0xffff; i++) {
+ if (inits[i].size == 2)
+ W_REG((u16 *)(base + inits[i].addr),
+ inits[i].value);
+ else if (inits[i].size == 4)
+ W_REG((u32 *)(base + inits[i].addr),
+ inits[i].value);
+ }
+}
+
+static void brcms_c_ucode_txant_set(struct brcms_hardware *wlc_hw)
+{
+ u16 phyctl;
+ u16 phytxant = wlc_hw->bmac_phytxant;
+ u16 mask = PHY_TXC_ANT_MASK;
+
+ /* set the Probe Response frame phy control word */
+ phyctl = brcms_b_read_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS);
+ phyctl = (phyctl & ~mask) | phytxant;
+ brcms_b_write_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS, phyctl);
+
+ /* set the Response (ACK/CTS) frame phy control word */
+ phyctl = brcms_b_read_shm(wlc_hw, M_RSP_PCTLWD);
+ phyctl = (phyctl & ~mask) | phytxant;
+ brcms_b_write_shm(wlc_hw, M_RSP_PCTLWD, phyctl);
+}
+
+void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant)
+{
+ /* update sw state */
+ wlc_hw->bmac_phytxant = phytxant;
+
+ /* push to ucode if up */
+ if (!wlc_hw->up)
+ return;
+ brcms_c_ucode_txant_set(wlc_hw);
+
+}
+
+u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw)
+{
+ return (u16) wlc_hw->wlc->stf->txant;
+}
+
+void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type)
+{
+ wlc_hw->antsel_type = antsel_type;
+
+ /* Update the antsel type for phy module to use */
+ wlc_phy_antsel_type_set(wlc_hw->band->pi, antsel_type);
+}
+
+void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw)
+{
+ bool fatal = false;
+ uint unit;
+ uint intstatus, idx;
+ d11regs_t *regs = wlc_hw->regs;
+ struct wiphy *wiphy = wlc_hw->wlc->wiphy;
+
+ unit = wlc_hw->unit;
+
+ for (idx = 0; idx < NFIFO; idx++) {
+ /* read intstatus register and ignore any non-error bits */
+ intstatus =
+ R_REG(®s->intctrlregs[idx].intstatus) & I_ERRORS;
+ if (!intstatus)
+ continue;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d: intstatus%d 0x%x\n",
+ unit, idx, intstatus);
+
+ if (intstatus & I_RO) {
+ wiphy_err(wiphy, "wl%d: fifo %d: receive fifo "
+ "overflow\n", unit, idx);
+ fatal = true;
+ }
+
+ if (intstatus & I_PC) {
+ wiphy_err(wiphy, "wl%d: fifo %d: descriptor error\n",
+ unit, idx);
+ fatal = true;
+ }
+
+ if (intstatus & I_PD) {
+ wiphy_err(wiphy, "wl%d: fifo %d: data error\n", unit,
+ idx);
+ fatal = true;
+ }
+
+ if (intstatus & I_DE) {
+ wiphy_err(wiphy, "wl%d: fifo %d: descriptor protocol "
+ "error\n", unit, idx);
+ fatal = true;
+ }
+
+ if (intstatus & I_RU) {
+ wiphy_err(wiphy, "wl%d: fifo %d: receive descriptor "
+ "underflow\n", idx, unit);
+ }
+
+ if (intstatus & I_XU) {
+ wiphy_err(wiphy, "wl%d: fifo %d: transmit fifo "
+ "underflow\n", idx, unit);
+ fatal = true;
+ }
+
+ if (fatal) {
+ brcms_c_fatal_error(wlc_hw->wlc); /* big hammer */
+ break;
+ } else
+ W_REG(®s->intctrlregs[idx].intstatus,
+ intstatus);
+ }
+}
+
+void brcms_c_intrson(struct brcms_c_info *wlc)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ wlc->macintmask = wlc->defmacintmask;
+ W_REG(&wlc_hw->regs->macintmask, wlc->macintmask);
+}
+
+/* callback for siutils.c, which has only wlc handler, no wl
+ * they both check up, not only because there is no need to off/restore d11 interrupt
+ * but also because per-port code may require sync with valid interrupt.
+ */
+
+static u32 brcms_c_wlintrsoff(struct brcms_c_info *wlc)
+{
+ if (!wlc->hw->up)
+ return 0;
+
+ return brcms_intrsoff(wlc->wl);
+}
+
+static void brcms_c_wlintrsrestore(struct brcms_c_info *wlc, u32 macintmask)
+{
+ if (!wlc->hw->up)
+ return;
+
+ brcms_intrsrestore(wlc->wl, macintmask);
+}
+
+u32 brcms_c_intrsoff(struct brcms_c_info *wlc)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ u32 macintmask;
+
+ if (!wlc_hw->clk)
+ return 0;
+
+ macintmask = wlc->macintmask; /* isr can still happen */
+
+ W_REG(&wlc_hw->regs->macintmask, 0);
+ (void)R_REG(&wlc_hw->regs->macintmask); /* sync readback */
+ udelay(1); /* ensure int line is no longer driven */
+ wlc->macintmask = 0;
+
+ /* return previous macintmask; resolve race between us and our isr */
+ return wlc->macintstatus ? 0 : macintmask;
+}
+
+void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ if (!wlc_hw->clk)
+ return;
+
+ wlc->macintmask = macintmask;
+ W_REG(&wlc_hw->regs->macintmask, wlc->macintmask);
+}
+
+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};
+
+ if (on) {
+ /* suspend tx fifos */
+ brcms_b_tx_fifo_suspend(wlc_hw, TX_DATA_FIFO);
+ brcms_b_tx_fifo_suspend(wlc_hw, TX_CTL_FIFO);
+ brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_BK_FIFO);
+ brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_VI_FIFO);
+
+ /* zero the address match register so we do not send ACKs */
+ brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
+ null_ether_addr);
+ } else {
+ /* resume tx fifos */
+ if (!wlc_hw->wlc->tx_suspended) {
+ brcms_b_tx_fifo_resume(wlc_hw, TX_DATA_FIFO);
+ }
+ brcms_b_tx_fifo_resume(wlc_hw, TX_CTL_FIFO);
+ brcms_b_tx_fifo_resume(wlc_hw, TX_AC_BK_FIFO);
+ brcms_b_tx_fifo_resume(wlc_hw, TX_AC_VI_FIFO);
+
+ /* Restore address */
+ brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
+ wlc_hw->etheraddr);
+ }
+
+ wlc_phy_mute_upd(wlc_hw->band->pi, on, flags);
+
+ if (on)
+ brcms_c_ucode_mute_override_set(wlc_hw);
+ else
+ 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.
+ *
+ * When the MAC acknowledges a tx suspend, it indicates that no more
+ * packets will be transmitted out the radio. This is independent of
+ * DMA channel suspension---the DMA may have finished suspending, or may still
+ * be pulling data into a tx fifo, by the time the MAC acks the suspend
+ * request.
+ */
+static bool brcms_b_tx_fifo_suspended(struct brcms_hardware *wlc_hw,
+ uint tx_fifo)
+{
+ /* check that a suspend has been requested and is no longer pending */
+
+ /*
+ * for DMA mode, the suspend request is set in xmtcontrol of the DMA engine,
+ * and the tx fifo suspend at the lower end of the MAC is acknowledged in the
+ * chnstatus register.
+ * The tx fifo suspend completion is independent of the DMA suspend completion and
+ * may be acked before or after the DMA is suspended.
+ */
+ if (dma_txsuspended(wlc_hw->di[tx_fifo]) &&
+ (R_REG(&wlc_hw->regs->chnstatus) &
+ (1 << tx_fifo)) == 0)
+ return true;
+
+ 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)
+{
+ /* BMAC_NOTE: BRCMS_TX_FIFO_ENAB is done in brcms_c_dpc() for DMA case
+ * but need to be done here for PIO otherwise the watchdog will catch
+ * the inconsistency and fire
+ */
+ /* Two clients of this code, 11h Quiet period and scanning. */
+ if (wlc_hw->di[tx_fifo])
+ dma_txresume(wlc_hw->di[tx_fifo]);
+
+ /* allow core to sleep again */
+ if (wlc_hw->suspended_fifos == 0)
+ return;
+ else {
+ wlc_hw->suspended_fifos &= ~(1 << tx_fifo);
+ if (wlc_hw->suspended_fifos == 0)
+ brcms_c_ucode_wake_override_clear(wlc_hw,
+ BRCMS_WAKE_OVERRIDE_TXFIFO);
+ }
+}
+
+/*
+ * Read and clear macintmask and macintstatus and intstatus registers.
+ * This routine should be called with interrupts off
+ * Return:
+ * -1 if DEVICEREMOVED(wlc) evaluates to true;
+ * 0 if the interrupt is not for us, or we are in some special cases;
+ * device interrupt status bits otherwise.
+ */
+static inline u32 wlc_intstatus(struct brcms_c_info *wlc, bool in_isr)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ d11regs_t *regs = wlc_hw->regs;
+ u32 macintstatus;
+
+ /* macintstatus includes a DMA interrupt summary bit */
+ macintstatus = R_REG(®s->macintstatus);
+
+ BCMMSG(wlc->wiphy, "wl%d: macintstatus: 0x%x\n", wlc_hw->unit,
+ macintstatus);
+
+ /* detect cardbus removed, in power down(suspend) and in reset */
+ if (DEVICEREMOVED(wlc))
+ return -1;
+
+ /* DEVICEREMOVED succeeds even when the core is still resetting,
+ * handle that case here.
+ */
+ if (macintstatus == 0xffffffff)
+ return 0;
+
+ /* defer unsolicited interrupts */
+ macintstatus &= (in_isr ? wlc->macintmask : wlc->defmacintmask);
+
+ /* if not for us */
+ if (macintstatus == 0)
+ return 0;
+
+ /* interrupts are already turned off for CFE build
+ * Caution: For CFE Turning off the interrupts again has some undesired
+ * consequences
+ */
+ /* turn off the interrupts */
+ W_REG(®s->macintmask, 0);
+ (void)R_REG(®s->macintmask); /* sync readback */
+ wlc->macintmask = 0;
+
+ /* clear device interrupts */
+ W_REG(®s->macintstatus, macintstatus);
+
+ /* MI_DMAINT is indication of non-zero intstatus */
+ if (macintstatus & MI_DMAINT) {
+ /*
+ * only fifo interrupt enabled is I_RI in
+ * RX_FIFO. If MI_DMAINT is set, assume it
+ * is set and clear the interrupt.
+ */
+ W_REG(®s->intctrlregs[RX_FIFO].intstatus,
+ DEF_RXINTMASK);
+ }
+
+ return macintstatus;
+}
+
+/* Update wlc->macintstatus and wlc->intstatus[]. */
+/* Return true if they are updated successfully. false otherwise */
+bool brcms_c_intrsupd(struct brcms_c_info *wlc)
+{
+ u32 macintstatus;
+
+ /* read and clear macintstatus and intstatus registers */
+ macintstatus = wlc_intstatus(wlc, false);
+
+ /* device is removed */
+ if (macintstatus == 0xffffffff)
+ return false;
+
+ /* update interrupt status in software */
+ wlc->macintstatus |= macintstatus;
+
+ return true;
+}
+
+/*
+ * First-level interrupt processing.
+ * Return true if this was our interrupt, false otherwise.
+ * *wantdpc will be set to true if further brcms_c_dpc() processing is required,
+ * false otherwise.
+ */
+bool brcms_c_isr(struct brcms_c_info *wlc, bool *wantdpc)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ u32 macintstatus;
+
+ *wantdpc = false;
+
+ if (!wlc_hw->up || !wlc->macintmask)
+ return false;
+
+ /* read and clear macintstatus and intstatus registers */
+ macintstatus = wlc_intstatus(wlc, true);
+
+ if (macintstatus == 0xffffffff)
+ wiphy_err(wlc->wiphy, "DEVICEREMOVED detected in the ISR code"
+ " path\n");
+
+ /* it is not for us */
+ if (macintstatus == 0)
+ return false;
+
+ *wantdpc = true;
+
+ /* save interrupt status bits */
+ wlc->macintstatus = macintstatus;
+
+ return true;
+
+}
+
+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;
+ d11regs_t *regs = wlc_hw->regs;
+ u32 mc, mi;
+ struct wiphy *wiphy = wlc->wiphy;
+
+ BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
+ wlc_hw->band->bandunit);
+
+ /*
+ * Track overlapping suspend requests
+ */
+ wlc_hw->mac_suspend_depth++;
+ if (wlc_hw->mac_suspend_depth > 1)
+ return;
+
+ /* force the core awake */
+ brcms_c_ucode_wake_override_set(wlc_hw, BRCMS_WAKE_OVERRIDE_MACSUSPEND);
+
+ mc = R_REG(®s->maccontrol);
+
+ if (mc == 0xffffffff) {
+ wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
+ __func__);
+ brcms_down(wlc->wl);
+ return;
+ }
+ WARN_ON(mc & MCTL_PSM_JMP_0);
+ WARN_ON(!(mc & MCTL_PSM_RUN));
+ WARN_ON(!(mc & MCTL_EN_MAC));
+
+ mi = R_REG(®s->macintstatus);
+ if (mi == 0xffffffff) {
+ wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
+ __func__);
+ brcms_down(wlc->wl);
+ return;
+ }
+ WARN_ON(mi & MI_MACSSPNDD);
+
+ brcms_b_mctrl(wlc_hw, MCTL_EN_MAC, 0);
+
+ SPINWAIT(!(R_REG(®s->macintstatus) & MI_MACSSPNDD),
+ BRCMS_MAX_MAC_SUSPEND);
+
+ if (!(R_REG(®s->macintstatus) & MI_MACSSPNDD)) {
+ wiphy_err(wiphy, "wl%d: wlc_suspend_mac_and_wait: waited %d uS"
+ " and MI_MACSSPNDD is still not on.\n",
+ wlc_hw->unit, BRCMS_MAX_MAC_SUSPEND);
+ wiphy_err(wiphy, "wl%d: psmdebug 0x%08x, phydebug 0x%08x, "
+ "psm_brc 0x%04x\n", wlc_hw->unit,
+ R_REG(®s->psmdebug),
+ R_REG(®s->phydebug),
+ R_REG(®s->psm_brc));
+ }
+
+ mc = R_REG(®s->maccontrol);
+ if (mc == 0xffffffff) {
+ wiphy_err(wiphy, "wl%d: %s: dead chip\n", wlc_hw->unit,
+ __func__);
+ brcms_down(wlc->wl);
+ return;
+ }
+ WARN_ON(mc & MCTL_PSM_JMP_0);
+ WARN_ON(!(mc & MCTL_PSM_RUN));
+ WARN_ON(mc & MCTL_EN_MAC);
+}
+
+void brcms_c_enable_mac(struct brcms_c_info *wlc)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ d11regs_t *regs = wlc_hw->regs;
+ u32 mc, mi;
+
+ BCMMSG(wlc->wiphy, "wl%d: bandunit %d\n", wlc_hw->unit,
+ wlc->band->bandunit);
+
+ /*
+ * Track overlapping suspend requests
+ */
+ wlc_hw->mac_suspend_depth--;
+ if (wlc_hw->mac_suspend_depth > 0)
+ return;
+
+ mc = R_REG(®s->maccontrol);
+ WARN_ON(mc & MCTL_PSM_JMP_0);
+ WARN_ON(mc & MCTL_EN_MAC);
+ WARN_ON(!(mc & MCTL_PSM_RUN));
+
+ brcms_b_mctrl(wlc_hw, MCTL_EN_MAC, MCTL_EN_MAC);
+ W_REG(®s->macintstatus, MI_MACSSPNDD);
+
+ mc = R_REG(®s->maccontrol);
+ WARN_ON(mc & MCTL_PSM_JMP_0);
+ WARN_ON(!(mc & MCTL_EN_MAC));
+ WARN_ON(!(mc & MCTL_PSM_RUN));
+
+ mi = R_REG(®s->macintstatus);
+ WARN_ON(mi & MI_MACSSPNDD);
+
+ brcms_c_ucode_wake_override_clear(wlc_hw,
+ BRCMS_WAKE_OVERRIDE_MACSUSPEND);
+}
+
+static void brcms_upd_ofdm_pctl1_table(struct brcms_hardware *wlc_hw)
+{
+ u8 rate;
+ u8 rates[8] = {
+ BRCM_RATE_6M, BRCM_RATE_9M, BRCM_RATE_12M, BRCM_RATE_18M,
+ BRCM_RATE_24M, BRCM_RATE_36M, BRCM_RATE_48M, BRCM_RATE_54M
+ };
+ u16 entry_ptr;
+ u16 pctl1;
+ uint i;
+
+ if (!BRCMS_PHY_11N_CAP(wlc_hw->band))
+ return;
+
+ /* walk the phy rate table and update the entries */
+ for (i = 0; i < ARRAY_SIZE(rates); i++) {
+ rate = rates[i];
+
+ entry_ptr = brcms_b_ofdm_ratetable_offset(wlc_hw, rate);
+
+ /* read the SHM Rate Table entry OFDM PCTL1 values */
+ pctl1 =
+ brcms_b_read_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS);
+
+ /* modify the value */
+ pctl1 &= ~PHY_TXC1_MODE_MASK;
+ pctl1 |= (wlc_hw->hw_stf_ss_opmode << PHY_TXC1_MODE_SHIFT);
+
+ /* Update the SHM Rate Table entry OFDM PCTL1 values */
+ brcms_b_write_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS,
+ pctl1);
+ }
+}
+
+static u16 brcms_b_ofdm_ratetable_offset(struct brcms_hardware *wlc_hw,
+ u8 rate)
+{
+ uint i;
+ u8 plcp_rate = 0;
+ struct plcp_signal_rate_lookup {
+ u8 rate;
+ u8 signal_rate;
+ };
+ /* OFDM RATE sub-field of PLCP SIGNAL field, per 802.11 sec 17.3.4.1 */
+ const struct plcp_signal_rate_lookup rate_lookup[] = {
+ {BRCM_RATE_6M, 0xB},
+ {BRCM_RATE_9M, 0xF},
+ {BRCM_RATE_12M, 0xA},
+ {BRCM_RATE_18M, 0xE},
+ {BRCM_RATE_24M, 0x9},
+ {BRCM_RATE_36M, 0xD},
+ {BRCM_RATE_48M, 0x8},
+ {BRCM_RATE_54M, 0xC}
+ };
+
+ for (i = 0; i < ARRAY_SIZE(rate_lookup); i++) {
+ if (rate == rate_lookup[i].rate) {
+ plcp_rate = rate_lookup[i].signal_rate;
+ break;
+ }
+ }
+
+ /* Find the SHM pointer to the rate table entry by looking in the
+ * Direct-map Table
+ */
+ return 2 * brcms_b_read_shm(wlc_hw, M_RT_DIRMAP_A + (plcp_rate * 2));
+}
+
+void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode)
+{
+ wlc_hw->hw_stf_ss_opmode = stf_mode;
+
+ if (wlc_hw->clk)
+ 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;
+ u32 w, val;
+ struct wiphy *wiphy = wlc_hw->wlc->wiphy;
+
+ BCMMSG(wiphy, "wl%d\n", wlc_hw->unit);
+
+ regs = wlc_hw->regs;
+
+ /* Validate dchip register access */
+
+ W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
+ (void)R_REG(®s->objaddr);
+ w = R_REG(®s->objdata);
+
+ /* Can we write and read back a 32bit register? */
+ W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
+ (void)R_REG(®s->objaddr);
+ W_REG(®s->objdata, (u32) 0xaa5555aa);
+
+ W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
+ (void)R_REG(®s->objaddr);
+ val = R_REG(®s->objdata);
+ if (val != (u32) 0xaa5555aa) {
+ wiphy_err(wiphy, "wl%d: validate_chip_access: SHM = 0x%x, "
+ "expected 0xaa5555aa\n", wlc_hw->unit, val);
+ return false;
+ }
+
+ W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
+ (void)R_REG(®s->objaddr);
+ W_REG(®s->objdata, (u32) 0x55aaaa55);
+
+ W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
+ (void)R_REG(®s->objaddr);
+ val = R_REG(®s->objdata);
+ if (val != (u32) 0x55aaaa55) {
+ wiphy_err(wiphy, "wl%d: validate_chip_access: SHM = 0x%x, "
+ "expected 0x55aaaa55\n", wlc_hw->unit, val);
+ return false;
+ }
+
+ W_REG(®s->objaddr, OBJADDR_SHM_SEL | 0);
+ (void)R_REG(®s->objaddr);
+ W_REG(®s->objdata, w);
+
+ /* clear CFPStart */
+ W_REG(®s->tsf_cfpstart, 0);
+
+ w = R_REG(®s->maccontrol);
+ if ((w != (MCTL_IHR_EN | MCTL_WAKE)) &&
+ (w != (MCTL_IHR_EN | MCTL_GMODE | MCTL_WAKE))) {
+ wiphy_err(wiphy, "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));
+ return false;
+ }
+
+ return true;
+}
+
+#define PHYPLL_WAIT_US 100000
+
+void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on)
+{
+ d11regs_t *regs;
+ u32 tmp;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ tmp = 0;
+ regs = wlc_hw->regs;
+
+ if (on) {
+ if ((wlc_hw->sih->chip == BCM4313_CHIP_ID)) {
+ OR_REG(®s->clk_ctl_st,
+ (CCS_ERSRC_REQ_HT | CCS_ERSRC_REQ_D11PLL |
+ CCS_ERSRC_REQ_PHYPLL));
+ SPINWAIT((R_REG(®s->clk_ctl_st) &
+ (CCS_ERSRC_AVAIL_HT)) != (CCS_ERSRC_AVAIL_HT),
+ PHYPLL_WAIT_US);
+
+ tmp = R_REG(®s->clk_ctl_st);
+ if ((tmp & (CCS_ERSRC_AVAIL_HT)) !=
+ (CCS_ERSRC_AVAIL_HT)) {
+ wiphy_err(wlc_hw->wlc->wiphy, "%s: turn on PHY"
+ " PLL failed\n", __func__);
+ }
+ } else {
+ OR_REG(®s->clk_ctl_st,
+ (CCS_ERSRC_REQ_D11PLL | CCS_ERSRC_REQ_PHYPLL));
+ SPINWAIT((R_REG(®s->clk_ctl_st) &
+ (CCS_ERSRC_AVAIL_D11PLL |
+ CCS_ERSRC_AVAIL_PHYPLL)) !=
+ (CCS_ERSRC_AVAIL_D11PLL |
+ CCS_ERSRC_AVAIL_PHYPLL), PHYPLL_WAIT_US);
+
+ tmp = R_REG(®s->clk_ctl_st);
+ if ((tmp &
+ (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL))
+ !=
+ (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL)) {
+ wiphy_err(wlc_hw->wlc->wiphy, "%s: turn on "
+ "PHY PLL failed\n", __func__);
+ }
+ }
+ } else {
+ /* Since the PLL may be shared, other cores can still be requesting it;
+ * so we'll deassert the request but not wait for status to comply.
+ */
+ AND_REG(®s->clk_ctl_st, ~CCS_ERSRC_REQ_PHYPLL);
+ tmp = R_REG(®s->clk_ctl_st);
+ }
+}
+
+void brcms_c_coredisable(struct brcms_hardware *wlc_hw)
+{
+ bool dev_gone;
+
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
+
+ dev_gone = DEVICEREMOVED(wlc_hw->wlc);
+
+ if (dev_gone)
+ return;
+
+ if (wlc_hw->noreset)
+ return;
+
+ /* radio off */
+ wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
+
+ /* turn off analog core */
+ wlc_phy_anacore(wlc_hw->band->pi, OFF);
+
+ /* turn off PHYPLL to save power */
+ brcms_b_core_phypll_ctl(wlc_hw, false);
+
+ /* No need to set wlc->pub->radio_active = OFF
+ * because this function needs down capability and
+ * radio_active is designed for BCMNODOWN.
+ */
+
+ /* remove gpio controls */
+ if (wlc_hw->ucode_dbgsel)
+ ai_gpiocontrol(wlc_hw->sih, ~0, 0, GPIO_DRV_PRIORITY);
+
+ wlc_hw->clk = false;
+ ai_core_disable(wlc_hw->sih, 0);
+ wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
+}
+
+/* power both the pll and external oscillator on/off */
+static void brcms_b_xtal(struct brcms_hardware *wlc_hw, bool want)
+{
+ BCMMSG(wlc_hw->wlc->wiphy, "wl%d: want %d\n", wlc_hw->unit, want);
+
+ /* dont power down if plldown is false or we must poll hw radio disable */
+ if (!want && wlc_hw->pllreq)
+ return;
+
+ if (wlc_hw->sih)
+ ai_clkctl_xtal(wlc_hw->sih, XTAL | PLL, want);
+
+ wlc_hw->sbclk = want;
+ if (!wlc_hw->sbclk) {
+ wlc_hw->clk = false;
+ if (wlc_hw->band && wlc_hw->band->pi)
+ wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
+ }
+}
+
+static void brcms_c_flushqueues(struct brcms_c_info *wlc)
+{
+ struct brcms_hardware *wlc_hw = wlc->hw;
+ uint i;
+
+ wlc->txpend16165war = 0;
+
+ /* free any posted tx packets */
+ for (i = 0; i < NFIFO; i++)
+ if (wlc_hw->di[i]) {
+ dma_txreclaim(wlc_hw->di[i], DMA_RANGE_ALL);
+ TXPKTPENDCLR(wlc, i);
+ BCMMSG(wlc->wiphy, "pktpend fifo %d clrd\n", i);
+ }
+
+ /* free any posted rx packets */
+ dma_rxreclaim(wlc_hw->di[RX_FIFO]);
+}
+
+u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset)
+{
+ return brcms_b_read_objmem(wlc_hw, offset, OBJADDR_SHM_SEL);
+}
+
+void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v)
+{
+ brcms_b_write_objmem(wlc_hw, offset, v, OBJADDR_SHM_SEL);
+}
+
+static u16
+brcms_b_read_objmem(struct brcms_hardware *wlc_hw, uint offset, u32 sel)
+{
+ d11regs_t *regs = wlc_hw->regs;
+ volatile u16 *objdata_lo = (volatile u16 *)®s->objdata;
+ volatile u16 *objdata_hi = objdata_lo + 1;
+ u16 v;
+
+ W_REG(®s->objaddr, sel | (offset >> 2));
+ (void)R_REG(®s->objaddr);
+ if (offset & 2) {
+ v = R_REG(objdata_hi);
+ } else {
+ v = R_REG(objdata_lo);
+ }
+
+ return v;
+}
+
+static void
+brcms_b_write_objmem(struct brcms_hardware *wlc_hw, uint offset, u16 v,
+ u32 sel)
+{
+ d11regs_t *regs = wlc_hw->regs;
+ volatile u16 *objdata_lo = (volatile u16 *)®s->objdata;
+ volatile u16 *objdata_hi = objdata_lo + 1;
+
+ W_REG(®s->objaddr, sel | (offset >> 2));
+ (void)R_REG(®s->objaddr);
+ if (offset & 2) {
+ W_REG(objdata_hi, v);
+ } else {
+ W_REG(objdata_lo, v);
+ }
+}
+
+/* Copy a buffer to shared memory of specified type .
+ * SHM 'offset' needs to be an even address and
+ * Buffer length 'len' must be an even number of bytes
+ * 'sel' selects the type of memory
+ */
+void
+brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset,
+ const void *buf, int len, u32 sel)
+{
+ u16 v;
+ const u8 *p = (const u8 *)buf;
+ int i;
+
+ if (len <= 0 || (offset & 1) || (len & 1))
+ return;
+
+ for (i = 0; i < len; i += 2) {
+ v = p[i] | (p[i + 1] << 8);
+ brcms_b_write_objmem(wlc_hw, offset + i, v, sel);
+ }
+}
+
+/* Copy a piece of shared memory of specified type to a buffer .
+ * SHM 'offset' needs to be an even address and
+ * Buffer length 'len' must be an even number of bytes
+ * 'sel' selects the type of memory
+ */
+void
+brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset, void *buf,
+ int len, u32 sel)
+{
+ u16 v;
+ u8 *p = (u8 *) buf;
+ int i;
+
+ if (len <= 0 || (offset & 1) || (len & 1))
+ return;
+
+ for (i = 0; i < len; i += 2) {
+ v = brcms_b_read_objmem(wlc_hw, offset + i, sel);
+ p[i] = v & 0xFF;
+ p[i + 1] = (v >> 8) & 0xFF;
+ }
+}
+
+void brcms_b_copyfrom_vars(struct brcms_hardware *wlc_hw, char **buf,
+ uint *len)
+{
+ BCMMSG(wlc_hw->wlc->wiphy, "nvram vars totlen=%d\n",
+ wlc_hw->vars_size);
+
+ *buf = wlc_hw->vars;
+ *len = wlc_hw->vars_size;
+}
+
+void brcms_b_retrylimit_upd(struct brcms_hardware *wlc_hw, u16 SRL, u16 LRL)
+{
+ wlc_hw->SRL = SRL;
+ wlc_hw->LRL = LRL;
+
+ /* write retry limit to SCR, shouldn't need to suspend */
+ if (wlc_hw->up) {
+ W_REG(&wlc_hw->regs->objaddr,
+ OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
+ (void)R_REG(&wlc_hw->regs->objaddr);
+ W_REG(&wlc_hw->regs->objdata, wlc_hw->SRL);
+ W_REG(&wlc_hw->regs->objaddr,
+ OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
+ (void)R_REG(&wlc_hw->regs->objaddr);
+ W_REG(&wlc_hw->regs->objdata, wlc_hw->LRL);
+ }
+}
+
+void brcms_b_pllreq(struct brcms_hardware *wlc_hw, bool set, mbool req_bit)
+{
+ if (set) {
+ if (mboolisset(wlc_hw->pllreq, req_bit))
+ return;
+
+ mboolset(wlc_hw->pllreq, req_bit);
+
+ if (mboolisset(wlc_hw->pllreq, BRCMS_PLLREQ_FLIP)) {
+ if (!wlc_hw->sbclk) {
+ brcms_b_xtal(wlc_hw, ON);
+ }
+ }
+ } else {
+ if (!mboolisset(wlc_hw->pllreq, req_bit))
+ return;
+
+ mboolclr(wlc_hw->pllreq, req_bit);
+
+ if (mboolisset(wlc_hw->pllreq, BRCMS_PLLREQ_FLIP)) {
+ if (wlc_hw->sbclk) {
+ brcms_b_xtal(wlc_hw, OFF);
+ }
+ }
+ }
+
+ 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;
+}
+
/* conditions under which the PM bit should be set in outgoing frames and STAY_AWAKE is meaningful
*/
bool brcms_c_ps_allowed(struct brcms_c_info *wlc)
static bool brcms_c_state_bmac_sync(struct brcms_c_info *wlc)
{
- struct brcms_b_state state_bmac;
+ struct brcms_b_state state_bmac = {0};
if (brcms_b_state_get(wlc->hw, &state_bmac) != 0)
return false;
#define BRCMS_UNIT(wlc) ((wlc)->pub->unit)
+#define brcms_b_copyfrom_shm(wlc_hw, offset, buf, len) \
+ brcms_b_copyfrom_objmem(wlc_hw, offset, buf, len, OBJADDR_SHM_SEL)
+
+#define brcms_b_copyto_shm(wlc_hw, offset, buf, len) \
+ brcms_b_copyto_objmem(wlc_hw, offset, buf, len, OBJADDR_SHM_SEL)
+
struct brcms_protection {
bool _g; /* use g spec protection, driver internal */
s8 g_override; /* override for use of g spec protection */
extern void brcms_c_wme_initparams_sta(struct brcms_c_info *wlc,
struct wme_param_ie *pe);
+extern void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw,
+ u8 antsel_type);
+
+/* chanspec, ucode interface */
+extern void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw,
+ chanspec_t chanspec,
+ bool mute, struct txpwr_limits *txpwr);
+
+extern void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset,
+ u16 v);
+extern u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
+
+extern void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask,
+ u16 val, int bands);
+
+extern void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
+
+extern void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
+
+extern void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
+extern void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
+extern void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
+extern void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
+ u32 override_bit);
+extern void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
+ u32 override_bit);
+extern void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw,
+ int offset, int len, void *buf);
+extern u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
+extern void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw,
+ uint offset, const void *buf, int len,
+ u32 sel);
+extern void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
+ void *buf, int len, u32 sel);
+extern void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
+extern u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
+extern void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
+extern void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
+extern void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
+extern void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
+extern void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw,
+ u8 stf_mode);
+
#endif /* _BRCM_MAIN_H_ */
#include <linux/slab.h>
#include <net/mac80211.h>
-#include "bmac.h"
#include "main.h"
#include "mac80211_if.h"
#include "phy_shim.h"
#include "phy/phy_hal.h"
#include "channel.h"
#include "main.h"
-#include "bmac.h"
#include "stf.h"
#define MIN_SPATIAL_EXPANSION 0
projects / profile / ivi / kernel-x86-ivi.git / commitdiff