/* misc chip info needed by some of the routines */
/* Private data for SDIO bus interaction */
struct brcmf_sdio {
- struct brcmf_pub *drvr;
-
struct brcmf_sdio_dev *sdiodev; /* sdio device handler */
struct chip_info *ci; /* Chip info struct */
char *vars; /* Variables (from CIS and/or other) */
uint f2rxdata; /* Number of frame data reads */
uint f2txdata; /* Number of f2 frame writes */
uint f1regdata; /* Number of f1 register accesses */
+ uint tickcnt; /* Number of watchdog been schedule */
+ unsigned long tx_ctlerrs; /* Err of sending ctrl frames */
+ unsigned long tx_ctlpkts; /* Ctrl frames sent to dongle */
+ unsigned long rx_ctlerrs; /* Err of processing rx ctrl frames */
+ unsigned long rx_ctlpkts; /* Ctrl frames processed from dongle */
+ unsigned long rx_readahead_cnt; /* Number of packets where header
+ * read-ahead was used. */
u8 *ctrl_frame_buf;
u32 ctrl_frame_len;
const struct firmware *firmware;
u32 fw_ptr;
+
+ bool txoff; /* Transmit flow-controlled */
};
/* clkstate */
/* If we can't reach the device, signal failure */
if (err || brcmf_sdcard_regfail(bus->sdiodev))
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
/* copy a buffer into a pkt buffer chain */
if (errcode < 0) {
brcmf_dbg(ERROR, "glom read of %d bytes failed: %d\n",
dlen, errcode);
- bus->drvr->rx_errors++;
+ bus->sdiodev->bus_if->dstats.rx_errors++;
if (bus->glomerr++ < 3) {
brcmf_sdbrcm_rxfail(bus, true, true);
skb_unlink(pfirst, &bus->glom);
brcmu_pkt_buf_free_skb(pfirst);
continue;
- } else if (brcmf_proto_hdrpull(bus->drvr, &ifidx,
- pfirst) != 0) {
+ } else if (brcmf_proto_hdrpull(bus->sdiodev->dev,
+ &ifidx, pfirst) != 0) {
brcmf_dbg(ERROR, "rx protocol error\n");
- bus->drvr->rx_errors++;
+ bus->sdiodev->bus_if->dstats.rx_errors++;
skb_unlink(pfirst, &bus->glom);
brcmu_pkt_buf_free_skb(pfirst);
continue;
/* sent any remaining packets up */
if (bus->glom.qlen) {
up(&bus->sdsem);
- brcmf_rx_frame(bus->drvr, ifidx, &bus->glom);
+ brcmf_rx_frame(bus->sdiodev->dev, ifidx, &bus->glom);
down(&bus->sdsem);
}
if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) {
pad = bus->blocksize - (rdlen % bus->blocksize);
if ((pad <= bus->roundup) && (pad < bus->blocksize) &&
- ((len + pad) < bus->drvr->maxctl))
+ ((len + pad) < bus->sdiodev->bus_if->maxctl))
rdlen += pad;
} else if (rdlen % BRCMF_SDALIGN) {
rdlen += BRCMF_SDALIGN - (rdlen % BRCMF_SDALIGN);
rdlen = roundup(rdlen, ALIGNMENT);
/* Drop if the read is too big or it exceeds our maximum */
- if ((rdlen + BRCMF_FIRSTREAD) > bus->drvr->maxctl) {
+ if ((rdlen + BRCMF_FIRSTREAD) > bus->sdiodev->bus_if->maxctl) {
brcmf_dbg(ERROR, "%d-byte control read exceeds %d-byte buffer\n",
- rdlen, bus->drvr->maxctl);
- bus->drvr->rx_errors++;
+ rdlen, bus->sdiodev->bus_if->maxctl);
+ bus->sdiodev->bus_if->dstats.rx_errors++;
brcmf_sdbrcm_rxfail(bus, false, false);
goto done;
}
- if ((len - doff) > bus->drvr->maxctl) {
+ if ((len - doff) > bus->sdiodev->bus_if->maxctl) {
brcmf_dbg(ERROR, "%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n",
- len, len - doff, bus->drvr->maxctl);
- bus->drvr->rx_errors++;
+ len, len - doff, bus->sdiodev->bus_if->maxctl);
+ bus->sdiodev->bus_if->dstats.rx_errors++;
bus->rx_toolong++;
brcmf_sdbrcm_rxfail(bus, false, false);
goto done;
brcmf_dbg(ERROR, "(nextlen): read %d bytes failed: %d\n",
rdlen, sdret);
brcmu_pkt_buf_free_skb(*pkt);
- bus->drvr->rx_errors++;
+ bus->sdiodev->bus_if->dstats.rx_errors++;
/* Force retry w/normal header read.
* Don't attempt NAK for
* gSPI
for (rxseq = bus->rx_seq, rxleft = maxframes;
!bus->rxskip && rxleft &&
- bus->drvr->bus_if->state != BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state != BRCMF_BUS_DOWN;
rxseq++, rxleft--) {
/* Handle glomming separately */
bus->nextlen = 0;
}
- bus->drvr->rx_readahead_cnt++;
+ bus->rx_readahead_cnt++;
/* Handle Flow Control */
fcbits = SDPCM_FCMASK_VALUE(
/* Too long -- skip this frame */
brcmf_dbg(ERROR, "too long: len %d rdlen %d\n",
len, rdlen);
- bus->drvr->rx_errors++;
+ bus->sdiodev->bus_if->dstats.rx_errors++;
bus->rx_toolong++;
brcmf_sdbrcm_rxfail(bus, false, false);
continue;
/* Give up on data, request rtx of events */
brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: rdlen %d chan %d\n",
rdlen, chan);
- bus->drvr->rx_dropped++;
+ bus->sdiodev->bus_if->dstats.rx_dropped++;
brcmf_sdbrcm_rxfail(bus, false, RETRYCHAN(chan));
continue;
}
: ((chan == SDPCM_DATA_CHANNEL) ? "data"
: "test")), sdret);
brcmu_pkt_buf_free_skb(pkt);
- bus->drvr->rx_errors++;
+ bus->sdiodev->bus_if->dstats.rx_errors++;
brcmf_sdbrcm_rxfail(bus, true, RETRYCHAN(chan));
continue;
}
if (pkt->len == 0) {
brcmu_pkt_buf_free_skb(pkt);
continue;
- } else if (brcmf_proto_hdrpull(bus->drvr, &ifidx, pkt) != 0) {
+ } else if (brcmf_proto_hdrpull(bus->sdiodev->dev, &ifidx,
+ pkt) != 0) {
brcmf_dbg(ERROR, "rx protocol error\n");
brcmu_pkt_buf_free_skb(pkt);
- bus->drvr->rx_errors++;
+ bus->sdiodev->bus_if->dstats.rx_errors++;
continue;
}
/* Unlock during rx call */
up(&bus->sdsem);
- brcmf_rx_packet(bus->drvr, ifidx, pkt);
+ brcmf_rx_packet(bus->sdiodev->dev, ifidx, pkt);
down(&bus->sdsem);
}
rxcount = maxframes - rxleft;
if (skb_headroom(pkt) < pad) {
brcmf_dbg(INFO, "insufficient headroom %d for %d pad\n",
skb_headroom(pkt), pad);
- bus->drvr->tx_realloc++;
+ bus->sdiodev->bus_if->tx_realloc++;
new = brcmu_pkt_buf_get_skb(pkt->len + BRCMF_SDALIGN);
if (!new) {
brcmf_dbg(ERROR, "couldn't allocate new %d-byte packet\n",
/* restore pkt buffer pointer before calling tx complete routine */
skb_pull(pkt, SDPCM_HDRLEN + pad);
up(&bus->sdsem);
- brcmf_txcomplete(bus->drvr, pkt, ret != 0);
+ brcmf_txcomplete(bus->sdiodev->dev, pkt, ret != 0);
down(&bus->sdsem);
if (free_pkt)
uint datalen;
u8 tx_prec_map;
- struct brcmf_pub *drvr = bus->drvr;
-
brcmf_dbg(TRACE, "Enter\n");
tx_prec_map = ~bus->flowcontrol;
ret = brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, true);
if (ret)
- bus->drvr->tx_errors++;
+ bus->sdiodev->bus_if->dstats.tx_errors++;
else
- bus->drvr->dstats.tx_bytes += datalen;
+ bus->sdiodev->bus_if->dstats.tx_bytes += datalen;
/* In poll mode, need to check for other events */
if (!bus->intr && cnt) {
}
/* Deflow-control stack if needed */
- if (drvr->up && (drvr->bus_if->state == BRCMF_BUS_DATA) &&
- drvr->txoff && (pktq_len(&bus->txq) < TXLOW))
- brcmf_txflowcontrol(drvr, 0, OFF);
+ if (bus->sdiodev->bus_if->drvr_up &&
+ (bus->sdiodev->bus_if->state == BRCMF_BUS_DATA) &&
+ bus->txoff && (pktq_len(&bus->txq) < TXLOW)) {
+ bus->txoff = OFF;
+ brcmf_txflowcontrol(bus->sdiodev->dev, 0, OFF);
+ }
return cnt;
}
SBSDIO_DEVICE_CTL, &err);
if (err) {
brcmf_dbg(ERROR, "error reading DEVCTL: %d\n", err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
#endif /* BCMDBG */
if (err) {
brcmf_dbg(ERROR, "error reading CSR: %d\n",
err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
brcmf_dbg(INFO, "DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n",
if (err) {
brcmf_dbg(ERROR, "error reading DEVCTL: %d\n",
err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
if (err) {
brcmf_dbg(ERROR, "error writing DEVCTL: %d\n",
err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
bus->clkstate = CLK_AVAIL;
} else {
else await next interrupt */
/* On failed register access, all bets are off:
no resched or interrupts */
- if ((bus->drvr->bus_if->state == BRCMF_BUS_DOWN) ||
+ if ((bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) ||
brcmf_sdcard_regfail(bus->sdiodev)) {
brcmf_dbg(ERROR, "failed backplane access over SDIO, halting operation %d\n",
brcmf_sdcard_regfail(bus->sdiodev));
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
bus->intstatus = 0;
} else if (bus->clkstate == CLK_PENDING) {
brcmf_dbg(INFO, "rescheduled due to CLK_PENDING awaiting I_CHIPACTIVE interrupt\n");
if (!wait_for_completion_interruptible(&bus->dpc_wait)) {
/* Call bus dpc unless it indicated down
(then clean stop) */
- if (bus->drvr->bus_if->state != BRCMF_BUS_DOWN) {
+ if (bus->sdiodev->bus_if->state != BRCMF_BUS_DOWN) {
if (brcmf_sdbrcm_dpc(bus))
complete(&bus->dpc_wait);
} else {
/* after stopping the bus, exit thread */
- brcmf_sdbrcm_bus_stop(bus);
+ brcmf_sdbrcm_bus_stop(bus->sdiodev->dev);
bus->dpc_tsk = NULL;
break;
}
/* Priority based enq */
spin_lock_bh(&bus->txqlock);
- if (brcmf_c_prec_enq(bus->drvr, &bus->txq, pkt, prec) == false) {
+ if (brcmf_c_prec_enq(bus->sdiodev->dev, &bus->txq, pkt, prec) ==
+ false) {
skb_pull(pkt, SDPCM_HDRLEN);
- brcmf_txcomplete(bus->drvr, pkt, false);
+ brcmf_txcomplete(bus->sdiodev->dev, pkt, false);
brcmu_pkt_buf_free_skb(pkt);
brcmf_dbg(ERROR, "out of bus->txq !!!\n");
ret = -ENOSR;
}
spin_unlock_bh(&bus->txqlock);
- if (pktq_len(&bus->txq) >= TXHI)
- brcmf_txflowcontrol(bus->drvr, 0, ON);
+ if (pktq_len(&bus->txq) >= TXHI) {
+ bus->txoff = ON;
+ brcmf_txflowcontrol(bus->sdiodev->dev, 0, ON);
+ }
#ifdef BCMDBG
if (pktq_plen(&bus->txq, prec) > qcount[prec])
up(&bus->sdsem);
if (ret)
- bus->drvr->tx_ctlerrs++;
+ bus->tx_ctlerrs++;
else
- bus->drvr->tx_ctlpkts++;
+ bus->tx_ctlpkts++;
return ret ? -EIO : 0;
}
}
if (rxlen)
- bus->drvr->rx_ctlpkts++;
+ bus->rx_ctlpkts++;
else
- bus->drvr->rx_ctlerrs++;
+ bus->rx_ctlerrs++;
return rxlen ? (int)rxlen : -ETIMEDOUT;
}
brcmf_dbg(TRACE, "Enter\n");
/* Basic sanity checks */
- if (bus->drvr->up) {
+ if (bus->sdiodev->bus_if->drvr_up) {
bcmerror = -EISCONN;
goto err;
}
/* Allow HT Clock now that the ARM is running. */
bus->alp_only = false;
- bus->drvr->bus_if->state = BRCMF_BUS_LOAD;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_LOAD;
}
fail:
return bcmerror;
return ret;
}
-void brcmf_sdbrcm_bus_stop(struct brcmf_sdio *bus)
+void brcmf_sdbrcm_bus_stop(struct device *dev)
{
u32 local_hostintmask;
u8 saveclk;
uint retries;
int err;
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv;
+ struct brcmf_sdio *bus = sdiodev->bus;
brcmf_dbg(TRACE, "Enter\n");
bus->hostintmask = 0;
/* Change our idea of bus state */
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
/* Force clocks on backplane to be sure F2 interrupt propagates */
saveclk = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
return -1;
}
- if (!bus->drvr)
+ if (!bus->sdiodev->bus_if->drvr)
return 0;
/* Start the watchdog timer */
- bus->drvr->tickcnt = 0;
+ bus->tickcnt = 0;
brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
down(&bus->sdsem);
return;
}
- if (bus->drvr->bus_if->state == BRCMF_BUS_DOWN) {
+ if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) {
brcmf_dbg(ERROR, "bus is down. we have nothing to do\n");
return;
}
{
if (chipid == BCM4329_CHIP_ID)
return true;
+ if (chipid == BCM4330_CHIP_ID)
+ return true;
return false;
}
{
brcmf_dbg(TRACE, "Enter\n");
- if (bus->drvr->maxctl) {
+ if (bus->sdiodev->bus_if->maxctl) {
bus->rxblen =
- roundup((bus->drvr->maxctl + SDPCM_HDRLEN),
+ roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN),
ALIGNMENT) + BRCMF_SDALIGN;
bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC);
if (!(bus->rxbuf))
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
SDIO_FUNC_ENABLE_1, NULL);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
bus->sleeping = false;
bus->rxflow = false;
if (!wait_for_completion_interruptible(&bus->watchdog_wait)) {
brcmf_sdbrcm_bus_watchdog(bus);
/* Count the tick for reference */
- bus->drvr->tickcnt++;
+ bus->tickcnt++;
} else
break;
}
/* De-register interrupt handler */
brcmf_sdcard_intr_dereg(bus->sdiodev);
- if (bus->drvr) {
- brcmf_detach(bus->drvr);
+ if (bus->sdiodev->bus_if->drvr) {
+ brcmf_detach(bus->sdiodev->dev);
brcmf_sdbrcm_release_dongle(bus);
- bus->drvr = NULL;
}
brcmf_sdbrcm_release_malloc(bus);
}
/* Attach to the brcmf/OS/network interface */
- bus->drvr = brcmf_attach(bus, SDPCM_RESERVE, bus->sdiodev->dev);
- if (!bus->drvr) {
+ ret = brcmf_attach(bus, SDPCM_RESERVE, bus->sdiodev->dev);
+ if (ret != 0) {
brcmf_dbg(ERROR, "brcmf_attach failed\n");
goto fail;
}
brcmf_dbg(INFO, "completed!!\n");
/* if firmware path present try to download and bring up bus */
- ret = brcmf_bus_start(bus->drvr);
+ ret = brcmf_bus_start(bus->sdiodev->dev);
if (ret != 0) {
if (ret == -ENOLINK) {
brcmf_dbg(ERROR, "dongle is not responding\n");
}
/* add interface and open for business */
- if (brcmf_add_if((struct brcmf_info *)bus->drvr, 0, "wlan%d", NULL)) {
+ if (brcmf_add_if(bus->sdiodev->dev, 0, "wlan%d", NULL)) {
brcmf_dbg(ERROR, "Add primary net device interface failed!!\n");
goto fail;
}
}
/* don't start the wd until fw is loaded */
- if (bus->drvr->bus_if->state == BRCMF_BUS_DOWN)
+ if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN)
return;
if (wdtick) {
git.openpandora.org / pandora-kernel.git / blobdiff