diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/dhd_sdio.c')
-rw-r--r-- | drivers/net/wireless/bcmdhd/dhd_sdio.c | 97 |
1 files changed, 78 insertions, 19 deletions
diff --git a/drivers/net/wireless/bcmdhd/dhd_sdio.c b/drivers/net/wireless/bcmdhd/dhd_sdio.c index 1bdc7d50f1fb..d445f2608088 100644 --- a/drivers/net/wireless/bcmdhd/dhd_sdio.c +++ b/drivers/net/wireless/bcmdhd/dhd_sdio.c @@ -21,7 +21,7 @@ * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * - * $Id: dhd_sdio.c 288105 2011-10-06 01:58:02Z $ + * $Id: dhd_sdio.c 325395 2012-04-03 03:57:43Z $ */ #include <typedefs.h> @@ -801,7 +801,8 @@ dhdsdio_clkctl(dhd_bus_t *bus, uint target, bool pendok) #ifdef DHD_DEBUG if (dhd_console_ms == 0) #endif /* DHD_DEBUG */ - dhd_os_wd_timer(bus->dhd, 0); + if (bus->poll == 0) + dhd_os_wd_timer(bus->dhd, 0); break; } #ifdef DHD_DEBUG @@ -851,8 +852,10 @@ dhdsdio_bussleep(dhd_bus_t *bus, bool sleep) SBSDIO_FORCE_HW_CLKREQ_OFF, NULL); /* Isolate the bus */ - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, - SBSDIO_DEVCTL_PADS_ISO, NULL); + if (bus->sih->chip != BCM4329_CHIP_ID && bus->sih->chip != BCM4319_CHIP_ID) { + bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, + SBSDIO_DEVCTL_PADS_ISO, NULL); + } /* Change state */ bus->sleeping = TRUE; @@ -1366,9 +1369,7 @@ dhd_bus_txctl(struct dhd_bus *bus, uchar *msg, uint msglen) /* Send from dpc */ bus->ctrl_frame_buf = frame; bus->ctrl_frame_len = len; - dhd_wait_for_event(bus->dhd, &bus->ctrl_frame_stat); - if (bus->ctrl_frame_stat == FALSE) { DHD_INFO(("%s: ctrl_frame_stat == FALSE\n", __FUNCTION__)); ret = 0; @@ -1453,7 +1454,7 @@ dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen) { int timeleft; uint rxlen = 0; - bool pending; + bool pending = FALSE; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); @@ -1480,8 +1481,9 @@ dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen) dhd_os_sdunlock(bus->dhd); #endif /* DHD_DEBUG */ } else if (pending == TRUE) { - DHD_CTL(("%s: canceled\n", __FUNCTION__)); - return -ERESTARTSYS; + /* possibly fw hangs so never responsed back */ + DHD_ERROR(("%s: pending or timeout \n", __FUNCTION__)); + return -ETIMEDOUT; } else { DHD_CTL(("%s: resumed for unknown reason?\n", __FUNCTION__)); #ifdef DHD_DEBUG @@ -1520,7 +1522,7 @@ enum { #ifdef DHD_DEBUG IOV_CHECKDIED, IOV_SERIALCONS, -#endif +#endif /* DHD_DEBUG */ IOV_DOWNLOAD, IOV_SOCRAM_STATE, IOV_FORCEEVEN, @@ -2785,6 +2787,9 @@ dhdsdio_download_state(dhd_bus_t *bus, bool enter) uint retries; int bcmerror = 0; + if (!bus->sih) + return BCME_ERROR; + /* To enter download state, disable ARM and reset SOCRAM. * To exit download state, simply reset ARM (default is RAM boot). */ @@ -3058,6 +3063,13 @@ dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex) bus->rxskip = FALSE; bus->tx_seq = bus->rx_seq = 0; + /* Set to a safe default. It gets updated when we + * receive a packet from the fw but when we reset, + * we need a safe default to be able to send the + * initial mac address. + */ + bus->tx_max = 4; + if (enforce_mutex) dhd_os_sdunlock(bus->dhd); } @@ -3565,7 +3577,7 @@ dhdsdio_rxglom(dhd_bus_t *bus, uint8 rxseq) if ((uint8)(txmax - bus->tx_seq) > 0x40) { DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", __FUNCTION__, txmax, bus->tx_seq)); - txmax = bus->tx_seq; + txmax = bus->tx_max; } bus->tx_max = txmax; @@ -3766,6 +3778,14 @@ dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished) !bus->rxskip && rxleft && bus->dhd->busstate != DHD_BUS_DOWN; rxseq++, rxleft--) { +#ifdef DHDTHREAD + /* tx more to improve rx performance */ + if ((bus->clkstate == CLK_AVAIL) && !bus->fcstate && + pktq_mlen(&bus->txq, ~bus->flowcontrol) && DATAOK(bus)) { + dhdsdio_sendfromq(bus, dhd_txbound); + } +#endif /* DHDTHREAD */ + /* Handle glomming separately */ if (bus->glom || bus->glomd) { uint8 cnt; @@ -3986,7 +4006,7 @@ dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished) if ((uint8)(txmax - bus->tx_seq) > 0x40) { DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", __FUNCTION__, txmax, bus->tx_seq)); - txmax = bus->tx_seq; + txmax = bus->tx_max; } bus->tx_max = txmax; @@ -4143,7 +4163,7 @@ dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished) if ((uint8)(txmax - bus->tx_seq) > 0x40) { DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", __FUNCTION__, txmax, bus->tx_seq)); - txmax = bus->tx_seq; + txmax = bus->tx_max; } bus->tx_max = txmax; @@ -4576,8 +4596,33 @@ clkwait: bcmsdh_intr_enable(sdh); } +#if defined(OOB_INTR_ONLY) && !defined(HW_OOB) + /* In case of SW-OOB(using edge trigger), + * Check interrupt status in the dongle again after enable irq on the host. + * and rechedule dpc if interrupt is pended in the dongle. + * There is a chance to miss OOB interrupt while irq is disabled on the host. + * No need to do this with HW-OOB(level trigger) + */ + R_SDREG(newstatus, ®s->intstatus, retries); + if (bcmsdh_regfail(bus->sdh)) + newstatus = 0; + if (newstatus & bus->hostintmask) { + bus->ipend = TRUE; + resched = TRUE; + } +#endif /* defined(OOB_INTR_ONLY) && !defined(HW_OOB) */ + if (TXCTLOK(bus) && bus->ctrl_frame_stat && (bus->clkstate == CLK_AVAIL)) { int ret, i; + uint8* frame_seq = bus->ctrl_frame_buf + SDPCM_FRAMETAG_LEN; + + if (((bus->sih->chip == BCM4329_CHIP_ID) || /* limit to 4329 & 4330 for now */ + (bus->sih->chip == BCM4330_CHIP_ID)) && (*frame_seq != bus->tx_seq)) { + DHD_INFO(("%s IOCTL frame seq lag detected!" + " frm_seq:%d != bus->tx_seq:%d, corrected\n", + __FUNCTION__, *frame_seq, bus->tx_seq)); + *frame_seq = bus->tx_seq; + } ret = dhd_bcmsdh_send_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, (uint8 *)bus->ctrl_frame_buf, (uint32)bus->ctrl_frame_len, @@ -5183,16 +5228,17 @@ dhdsdio_chipmatch(uint16 chipid) return TRUE; if (chipid == BCM4319_CHIP_ID) return TRUE; - if (chipid == BCM4336_CHIP_ID) - return TRUE; if (chipid == BCM4330_CHIP_ID) return TRUE; + if (chipid == BCM43239_CHIP_ID) + return TRUE; + if (chipid == BCM4336_CHIP_ID) + return TRUE; if (chipid == BCM43237_CHIP_ID) return TRUE; if (chipid == BCM43362_CHIP_ID) return TRUE; - if (chipid == BCM43239_CHIP_ID) - return TRUE; + return FALSE; } @@ -5369,6 +5415,7 @@ dhdsdio_probe(uint16 venid, uint16 devid, uint16 bus_no, uint16 slot, if (ret == BCME_NOTUP) goto fail; } + /* Ok, have the per-port tell the stack we're open for business */ if (dhd_net_attach(bus->dhd, 0) != 0) { DHD_ERROR(("%s: Net attach failed!!\n", __FUNCTION__)); @@ -5545,8 +5592,10 @@ dhdsdio_probe_attach(struct dhd_bus *bus, osl_t *osh, void *sdh, void *regsva, return TRUE; fail: - if (bus->sih != NULL) + if (bus->sih != NULL) { si_detach(bus->sih); + bus->sih = NULL; + } return FALSE; } @@ -5779,6 +5828,7 @@ dhdsdio_release_dongle(dhd_bus_t *bus, osl_t *osh, bool dongle_isolation, bool r dhdsdio_clkctl(bus, CLK_NONE, FALSE); } si_detach(bus->sih); + bus->sih = NULL; if (bus->vars && bus->varsz) MFREE(osh, bus->vars, bus->varsz); bus->vars = NULL; @@ -6141,6 +6191,7 @@ dhd_bcmsdh_send_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, uint8 *buf uint dhd_bus_chip(struct dhd_bus *bus) { + ASSERT(bus); ASSERT(bus->sih != NULL); return bus->sih->chip; } @@ -6148,6 +6199,7 @@ dhd_bus_chip(struct dhd_bus *bus) void * dhd_bus_pub(struct dhd_bus *bus) { + ASSERT(bus); return bus->dhd; } @@ -6194,7 +6246,6 @@ dhd_bus_devreset(dhd_pub_t *dhdp, uint8 flag) bus->dhd->dongle_reset = TRUE; bus->dhd->up = FALSE; dhd_os_sdunlock(dhdp); - DHD_TRACE(("%s: WLAN OFF DONE\n", __FUNCTION__)); /* App can now remove power from device */ } else @@ -6265,6 +6316,14 @@ dhd_bus_devreset(dhd_pub_t *dhdp, uint8 flag) return bcmerror; } +/* Get Chip ID version */ +uint dhd_bus_chip_id(dhd_pub_t *dhdp) +{ + dhd_bus_t *bus = dhdp->bus; + + return bus->sih->chip; +} + int dhd_bus_membytes(dhd_pub_t *dhdp, bool set, uint32 address, uint8 *data, uint size) { |