#include <soc.h>
#include "sdio_host.h"
#include "sdio_chip.h"
+#include "nvram.h"
#define DCMD_RESP_TIMEOUT 2000 /* In milli second */
/* Private data for SDIO bus interaction */
struct brcmf_sdio {
struct brcmf_sdio_dev *sdiodev; /* sdio device handler */
- struct chip_info *ci; /* Chip info struct */
- char *vars; /* Variables (from CIS and/or other) */
- uint varsz; /* Size of variables buffer */
+ struct brcmf_chip *ci; /* Chip info struct */
u32 ramsize; /* Size of RAM in SOCRAM (bytes) */
#define BCM4334_NVRAM_NAME "brcm/brcmfmac4334-sdio.txt"
#define BCM4335_FIRMWARE_NAME "brcm/brcmfmac4335-sdio.bin"
#define BCM4335_NVRAM_NAME "brcm/brcmfmac4335-sdio.txt"
+#define BCM43362_FIRMWARE_NAME "brcm/brcmfmac43362-sdio.bin"
+#define BCM43362_NVRAM_NAME "brcm/brcmfmac43362-sdio.txt"
#define BCM4339_FIRMWARE_NAME "brcm/brcmfmac4339-sdio.bin"
#define BCM4339_NVRAM_NAME "brcm/brcmfmac4339-sdio.txt"
MODULE_FIRMWARE(BCM4334_NVRAM_NAME);
MODULE_FIRMWARE(BCM4335_FIRMWARE_NAME);
MODULE_FIRMWARE(BCM4335_NVRAM_NAME);
+MODULE_FIRMWARE(BCM43362_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM43362_NVRAM_NAME);
MODULE_FIRMWARE(BCM4339_FIRMWARE_NAME);
MODULE_FIRMWARE(BCM4339_NVRAM_NAME);
{ BCM4330_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4330) },
{ BCM4334_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4334) },
{ BCM4335_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4335) },
+ { BCM43362_CHIP_ID, 0xFFFFFFFE, BRCMF_FIRMWARE_NVRAM(BCM43362) },
{ BCM4339_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4339) }
};
-static const struct firmware *brcmf_sdbrcm_get_fw(struct brcmf_sdio *bus,
+static const struct firmware *brcmf_sdio_get_fw(struct brcmf_sdio *bus,
enum brcmf_firmware_type type)
{
const struct firmware *fw;
u8 idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV);
int ret;
- *regvar = brcmf_sdio_regrl(bus->sdiodev,
- bus->ci->c_inf[idx].base + offset, &ret);
+ *regvar = brcmf_sdiod_regrl(bus->sdiodev,
+ bus->ci->c_inf[idx].base + offset, &ret);
return ret;
}
u8 idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV);
int ret;
- brcmf_sdio_regwl(bus->sdiodev,
- bus->ci->c_inf[idx].base + reg_offset,
- regval, &ret);
+ brcmf_sdiod_regwl(bus->sdiodev,
+ bus->ci->c_inf[idx].base + reg_offset,
+ regval, &ret);
return ret;
}
static int
-brcmf_sdbrcm_kso_control(struct brcmf_sdio *bus, bool on)
+brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on)
{
u8 wr_val = 0, rd_val, cmp_val, bmask;
int err = 0;
wr_val = (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT);
/* 1st KSO write goes to AOS wake up core if device is asleep */
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
- wr_val, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
+ wr_val, &err);
if (err) {
brcmf_err("SDIO_AOS KSO write error: %d\n", err);
return err;
* just one write attempt may fail,
* read it back until it matches written value
*/
- rd_val = brcmf_sdio_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
- &err);
+ rd_val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
+ &err);
if (((rd_val & bmask) == cmp_val) && !err)
break;
brcmf_dbg(SDIO, "KSO wr/rd retry:%d (max: %d) ERR:%x\n",
try_cnt, MAX_KSO_ATTEMPTS, err);
udelay(KSO_WAIT_US);
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
- wr_val, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
+ wr_val, &err);
} while (try_cnt++ < MAX_KSO_ATTEMPTS);
return err;
#define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE)
/* Turn backplane clock on or off */
-static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
+static int brcmf_sdio_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
{
int err;
u8 clkctl, clkreq, devctl;
clkreq =
bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ;
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- clkreq, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ clkreq, &err);
if (err) {
brcmf_err("HT Avail request error: %d\n", err);
return -EBADE;
}
/* Check current status */
- clkctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_CHIPCLKCSR, &err);
+ clkctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (err) {
brcmf_err("HT Avail read error: %d\n", err);
return -EBADE;
/* Go to pending and await interrupt if appropriate */
if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) {
/* Allow only clock-available interrupt */
- devctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_DEVICE_CTL, &err);
+ devctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_DEVICE_CTL, &err);
if (err) {
brcmf_err("Devctl error setting CA: %d\n",
err);
}
devctl |= SBSDIO_DEVCTL_CA_INT_ONLY;
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
- devctl, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
+ devctl, &err);
brcmf_dbg(SDIO, "CLKCTL: set PENDING\n");
bus->clkstate = CLK_PENDING;
return 0;
} else if (bus->clkstate == CLK_PENDING) {
/* Cancel CA-only interrupt filter */
- devctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_DEVICE_CTL, &err);
+ devctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_DEVICE_CTL, &err);
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
- devctl, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
+ devctl, &err);
}
/* Otherwise, wait here (polling) for HT Avail */
timeout = jiffies +
msecs_to_jiffies(PMU_MAX_TRANSITION_DLY/1000);
while (!SBSDIO_CLKAV(clkctl, bus->alp_only)) {
- clkctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_CHIPCLKCSR,
- &err);
+ clkctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ &err);
if (time_after(jiffies, timeout))
break;
else
if (bus->clkstate == CLK_PENDING) {
/* Cancel CA-only interrupt filter */
- devctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_DEVICE_CTL, &err);
+ devctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_DEVICE_CTL, &err);
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
- devctl, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
+ devctl, &err);
}
bus->clkstate = CLK_SDONLY;
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- clkreq, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ clkreq, &err);
brcmf_dbg(SDIO, "CLKCTL: turned OFF\n");
if (err) {
brcmf_err("Failed access turning clock off: %d\n",
}
/* Change idle/active SD state */
-static int brcmf_sdbrcm_sdclk(struct brcmf_sdio *bus, bool on)
+static int brcmf_sdio_sdclk(struct brcmf_sdio *bus, bool on)
{
brcmf_dbg(SDIO, "Enter\n");
}
/* Transition SD and backplane clock readiness */
-static int brcmf_sdbrcm_clkctl(struct brcmf_sdio *bus, uint target, bool pendok)
+static int brcmf_sdio_clkctl(struct brcmf_sdio *bus, uint target, bool pendok)
{
#ifdef DEBUG
uint oldstate = bus->clkstate;
/* Early exit if we're already there */
if (bus->clkstate == target) {
if (target == CLK_AVAIL) {
- brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS);
bus->activity = true;
}
return 0;
case CLK_AVAIL:
/* Make sure SD clock is available */
if (bus->clkstate == CLK_NONE)
- brcmf_sdbrcm_sdclk(bus, true);
+ brcmf_sdio_sdclk(bus, true);
/* Now request HT Avail on the backplane */
- brcmf_sdbrcm_htclk(bus, true, pendok);
- brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ brcmf_sdio_htclk(bus, true, pendok);
+ brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS);
bus->activity = true;
break;
case CLK_SDONLY:
/* Remove HT request, or bring up SD clock */
if (bus->clkstate == CLK_NONE)
- brcmf_sdbrcm_sdclk(bus, true);
+ brcmf_sdio_sdclk(bus, true);
else if (bus->clkstate == CLK_AVAIL)
- brcmf_sdbrcm_htclk(bus, false, false);
+ brcmf_sdio_htclk(bus, false, false);
else
brcmf_err("request for %d -> %d\n",
bus->clkstate, target);
- brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS);
break;
case CLK_NONE:
/* Make sure to remove HT request */
if (bus->clkstate == CLK_AVAIL)
- brcmf_sdbrcm_htclk(bus, false, false);
+ brcmf_sdio_htclk(bus, false, false);
/* Now remove the SD clock */
- brcmf_sdbrcm_sdclk(bus, false);
- brcmf_sdbrcm_wd_timer(bus, 0);
+ brcmf_sdio_sdclk(bus, false);
+ brcmf_sdio_wd_timer(bus, 0);
break;
}
#ifdef DEBUG
}
static int
-brcmf_sdbrcm_bus_sleep(struct brcmf_sdio *bus, bool sleep, bool pendok)
+brcmf_sdio_bus_sleep(struct brcmf_sdio *bus, bool sleep, bool pendok)
{
int err = 0;
brcmf_dbg(TRACE, "Enter\n");
brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) &&
data_ok(bus)))
return -EBUSY;
- err = brcmf_sdbrcm_kso_control(bus, false);
+ err = brcmf_sdio_kso_control(bus, false);
/* disable watchdog */
if (!err)
- brcmf_sdbrcm_wd_timer(bus, 0);
+ brcmf_sdio_wd_timer(bus, 0);
} else {
bus->idlecount = 0;
- err = brcmf_sdbrcm_kso_control(bus, true);
+ err = brcmf_sdio_kso_control(bus, true);
}
if (!err) {
/* Change state */
/* control clocks */
if (sleep) {
if (!bus->sr_enabled)
- brcmf_sdbrcm_clkctl(bus, CLK_NONE, pendok);
+ brcmf_sdio_clkctl(bus, CLK_NONE, pendok);
} else {
- brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, pendok);
+ brcmf_sdio_clkctl(bus, CLK_AVAIL, pendok);
}
return err;
}
-static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus)
+static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus)
{
u32 intstatus = 0;
u32 hmb_data;
return intstatus;
}
-static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)
+static void brcmf_sdio_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)
{
uint retries = 0;
u16 lastrbc;
rtx ? ", send NAK" : "");
if (abort)
- brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
+ brcmf_sdiod_abort(bus->sdiodev, SDIO_FUNC_2);
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
- SFC_RF_TERM, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
+ SFC_RF_TERM, &err);
bus->sdcnt.f1regdata++;
/* Wait until the packet has been flushed (device/FIFO stable) */
for (lastrbc = retries = 0xffff; retries > 0; retries--) {
- hi = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_RFRAMEBCHI, &err);
- lo = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_RFRAMEBCLO, &err);
+ hi = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_RFRAMEBCHI, &err);
+ lo = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_RFRAMEBCLO, &err);
bus->sdcnt.f1regdata += 2;
if ((hi == 0) && (lo == 0))
/* Clear partial in any case */
bus->cur_read.len = 0;
-
- /* If we can't reach the device, signal failure */
- if (err)
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
/* return total length of buffer chain */
-static uint brcmf_sdbrcm_glom_len(struct brcmf_sdio *bus)
+static uint brcmf_sdio_glom_len(struct brcmf_sdio *bus)
{
struct sk_buff *p;
uint total;
return total;
}
-static void brcmf_sdbrcm_free_glom(struct brcmf_sdio *bus)
+static void brcmf_sdio_free_glom(struct brcmf_sdio *bus)
{
struct sk_buff *cur, *next;
if ((u16)(~(len ^ checksum))) {
brcmf_err("HW header checksum error\n");
bus->sdcnt.rx_badhdr++;
- brcmf_sdbrcm_rxfail(bus, false, false);
+ brcmf_sdio_rxfail(bus, false, false);
return -EIO;
}
if (len < SDPCM_HDRLEN) {
type != BRCMF_SDIO_FT_SUPER) {
brcmf_err("HW header length too long\n");
bus->sdcnt.rx_toolong++;
- brcmf_sdbrcm_rxfail(bus, false, false);
+ brcmf_sdio_rxfail(bus, false, false);
rd->len = 0;
return -EPROTO;
}
if (rd->dat_offset < SDPCM_HDRLEN || rd->dat_offset > rd->len) {
brcmf_err("seq %d: bad data offset\n", rx_seq);
bus->sdcnt.rx_badhdr++;
- brcmf_sdbrcm_rxfail(bus, false, false);
+ brcmf_sdio_rxfail(bus, false, false);
rd->len = 0;
return -ENXIO;
}
trace_brcmf_sdpcm_hdr(SDPCM_TX + !!(bus->txglom), header);
}
-static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
+static u8 brcmf_sdio_rxglom(struct brcmf_sdio *bus, u8 rxseq)
{
u16 dlen, totlen;
u8 *dptr, num = 0;
}
pfirst = pnext = NULL;
} else {
- brcmf_sdbrcm_free_glom(bus);
+ brcmf_sdio_free_glom(bus);
num = 0;
}
}
pfirst = skb_peek(&bus->glom);
- dlen = (u16) brcmf_sdbrcm_glom_len(bus);
+ dlen = (u16) brcmf_sdio_glom_len(bus);
/* Do an SDIO read for the superframe. Configurable iovar to
* read directly into the chained packet, or allocate a large
* packet and and copy into the chain.
*/
sdio_claim_host(bus->sdiodev->func[1]);
- errcode = brcmf_sdcard_recv_chain(bus->sdiodev,
- bus->sdiodev->sbwad,
- SDIO_FUNC_2, F2SYNC, &bus->glom, dlen);
+ errcode = brcmf_sdiod_recv_chain(bus->sdiodev,
+ &bus->glom, dlen);
sdio_release_host(bus->sdiodev->func[1]);
bus->sdcnt.f2rxdata++;
sdio_claim_host(bus->sdiodev->func[1]);
if (bus->glomerr++ < 3) {
- brcmf_sdbrcm_rxfail(bus, true, true);
+ brcmf_sdio_rxfail(bus, true, true);
} else {
bus->glomerr = 0;
- brcmf_sdbrcm_rxfail(bus, true, false);
+ brcmf_sdio_rxfail(bus, true, false);
bus->sdcnt.rxglomfail++;
- brcmf_sdbrcm_free_glom(bus);
+ brcmf_sdio_free_glom(bus);
}
sdio_release_host(bus->sdiodev->func[1]);
return 0;
if (bus->glomerr++ < 3) {
/* Restore superframe header space */
skb_push(pfirst, sfdoff);
- brcmf_sdbrcm_rxfail(bus, true, true);
+ brcmf_sdio_rxfail(bus, true, true);
} else {
bus->glomerr = 0;
- brcmf_sdbrcm_rxfail(bus, true, false);
+ brcmf_sdio_rxfail(bus, true, false);
bus->sdcnt.rxglomfail++;
- brcmf_sdbrcm_free_glom(bus);
+ brcmf_sdio_free_glom(bus);
}
sdio_release_host(bus->sdiodev->func[1]);
bus->cur_read.len = 0;
return num;
}
-static int brcmf_sdbrcm_dcmd_resp_wait(struct brcmf_sdio *bus, uint *condition,
- bool *pending)
+static int brcmf_sdio_dcmd_resp_wait(struct brcmf_sdio *bus, uint *condition,
+ bool *pending)
{
DECLARE_WAITQUEUE(wait, current);
int timeout = msecs_to_jiffies(DCMD_RESP_TIMEOUT);
return timeout;
}
-static int brcmf_sdbrcm_dcmd_resp_wake(struct brcmf_sdio *bus)
+static int brcmf_sdio_dcmd_resp_wake(struct brcmf_sdio *bus)
{
if (waitqueue_active(&bus->dcmd_resp_wait))
wake_up_interruptible(&bus->dcmd_resp_wait);
return 0;
}
static void
-brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff)
+brcmf_sdio_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff)
{
uint rdlen, pad;
u8 *buf = NULL, *rbuf;
if ((rdlen + BRCMF_FIRSTREAD) > bus->sdiodev->bus_if->maxctl) {
brcmf_err("%d-byte control read exceeds %d-byte buffer\n",
rdlen, bus->sdiodev->bus_if->maxctl);
- brcmf_sdbrcm_rxfail(bus, false, false);
+ brcmf_sdio_rxfail(bus, false, false);
goto done;
}
brcmf_err("%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n",
len, len - doff, bus->sdiodev->bus_if->maxctl);
bus->sdcnt.rx_toolong++;
- brcmf_sdbrcm_rxfail(bus, false, false);
+ brcmf_sdio_rxfail(bus, false, false);
goto done;
}
/* Read remain of frame body */
- sdret = brcmf_sdcard_recv_buf(bus->sdiodev,
- bus->sdiodev->sbwad,
- SDIO_FUNC_2,
- F2SYNC, rbuf, rdlen);
+ sdret = brcmf_sdiod_recv_buf(bus->sdiodev, rbuf, rdlen);
bus->sdcnt.f2rxdata++;
/* Control frame failures need retransmission */
brcmf_err("read %d control bytes failed: %d\n",
rdlen, sdret);
bus->sdcnt.rxc_errors++;
- brcmf_sdbrcm_rxfail(bus, true, true);
+ brcmf_sdio_rxfail(bus, true, true);
goto done;
} else
memcpy(buf + BRCMF_FIRSTREAD, rbuf, rdlen);
done:
/* Awake any waiters */
- brcmf_sdbrcm_dcmd_resp_wake(bus);
+ brcmf_sdio_dcmd_resp_wake(bus);
}
/* Pad read to blocksize for efficiency */
-static void brcmf_pad(struct brcmf_sdio *bus, u16 *pad, u16 *rdlen)
+static void brcmf_sdio_pad(struct brcmf_sdio *bus, u16 *pad, u16 *rdlen)
{
if (bus->roundup && bus->blocksize && *rdlen > bus->blocksize) {
*pad = bus->blocksize - (*rdlen % bus->blocksize);
bus->rxpending = true;
for (rd->seq_num = bus->rx_seq, rxleft = maxframes;
- !bus->rxskip && rxleft &&
- bus->sdiodev->bus_if->state != BRCMF_BUS_DOWN;
+ !bus->rxskip && rxleft && brcmf_bus_ready(bus->sdiodev->bus_if);
rd->seq_num++, rxleft--) {
/* Handle glomming separately */
u8 cnt;
brcmf_dbg(GLOM, "calling rxglom: glomd %p, glom %p\n",
bus->glomd, skb_peek(&bus->glom));
- cnt = brcmf_sdbrcm_rxglom(bus, rd->seq_num);
+ cnt = brcmf_sdio_rxglom(bus, rd->seq_num);
brcmf_dbg(GLOM, "rxglom returned %d\n", cnt);
rd->seq_num += cnt - 1;
rxleft = (rxleft > cnt) ? (rxleft - cnt) : 1;
/* read header first for unknow frame length */
sdio_claim_host(bus->sdiodev->func[1]);
if (!rd->len) {
- ret = brcmf_sdcard_recv_buf(bus->sdiodev,
- bus->sdiodev->sbwad,
- SDIO_FUNC_2, F2SYNC,
- bus->rxhdr,
- BRCMF_FIRSTREAD);
+ ret = brcmf_sdiod_recv_buf(bus->sdiodev,
+ bus->rxhdr, BRCMF_FIRSTREAD);
bus->sdcnt.f2rxhdrs++;
if (ret < 0) {
brcmf_err("RXHEADER FAILED: %d\n",
ret);
bus->sdcnt.rx_hdrfail++;
- brcmf_sdbrcm_rxfail(bus, true, true);
+ brcmf_sdio_rxfail(bus, true, true);
sdio_release_host(bus->sdiodev->func[1]);
continue;
}
}
if (rd->channel == SDPCM_CONTROL_CHANNEL) {
- brcmf_sdbrcm_read_control(bus, bus->rxhdr,
- rd->len,
- rd->dat_offset);
+ brcmf_sdio_read_control(bus, bus->rxhdr,
+ rd->len,
+ rd->dat_offset);
/* prepare the descriptor for the next read */
rd->len = rd->len_nxtfrm << 4;
rd->len_nxtfrm = 0;
head_read = BRCMF_FIRSTREAD;
}
- brcmf_pad(bus, &pad, &rd->len_left);
+ brcmf_sdio_pad(bus, &pad, &rd->len_left);
pkt = brcmu_pkt_buf_get_skb(rd->len_left + head_read +
bus->head_align);
if (!pkt) {
/* Give up on data, request rtx of events */
brcmf_err("brcmu_pkt_buf_get_skb failed\n");
- brcmf_sdbrcm_rxfail(bus, false,
+ brcmf_sdio_rxfail(bus, false,
RETRYCHAN(rd->channel));
sdio_release_host(bus->sdiodev->func[1]);
continue;
skb_pull(pkt, head_read);
pkt_align(pkt, rd->len_left, bus->head_align);
- ret = brcmf_sdcard_recv_pkt(bus->sdiodev, bus->sdiodev->sbwad,
- SDIO_FUNC_2, F2SYNC, pkt);
+ ret = brcmf_sdiod_recv_pkt(bus->sdiodev, pkt);
bus->sdcnt.f2rxdata++;
sdio_release_host(bus->sdiodev->func[1]);
rd->len, rd->channel, ret);
brcmu_pkt_buf_free_skb(pkt);
sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_rxfail(bus, true,
+ brcmf_sdio_rxfail(bus, true,
RETRYCHAN(rd->channel));
sdio_release_host(bus->sdiodev->func[1]);
continue;
rd->len,
roundup(rd_new.len, 16) >> 4);
rd->len = 0;
- brcmf_sdbrcm_rxfail(bus, true, true);
+ brcmf_sdio_rxfail(bus, true, true);
sdio_release_host(bus->sdiodev->func[1]);
brcmu_pkt_buf_free_skb(pkt);
continue;
/* Force retry w/normal header read */
rd->len = 0;
sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_rxfail(bus, false, true);
+ brcmf_sdio_rxfail(bus, false, true);
sdio_release_host(bus->sdiodev->func[1]);
brcmu_pkt_buf_free_skb(pkt);
continue;
brcmf_err("%s: glom superframe w/o "
"descriptor!\n", __func__);
sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_rxfail(bus, false, false);
+ brcmf_sdio_rxfail(bus, false, false);
sdio_release_host(bus->sdiodev->func[1]);
}
/* prepare the descriptor for the next read */
}
static void
-brcmf_sdbrcm_wait_event_wakeup(struct brcmf_sdio *bus)
+brcmf_sdio_wait_event_wakeup(struct brcmf_sdio *bus)
{
if (waitqueue_active(&bus->ctrl_wait))
wake_up_interruptible(&bus->ctrl_wait);
/* Writes a HW/SW header into the packet and sends it. */
/* Assumes: (a) header space already there, (b) caller holds lock */
-static int brcmf_sdbrcm_txpkt(struct brcmf_sdio *bus, struct sk_buff_head *pktq,
- uint chan)
+static int brcmf_sdio_txpkt(struct brcmf_sdio *bus, struct sk_buff_head *pktq,
+ uint chan)
{
int ret;
int i;
goto done;
sdio_claim_host(bus->sdiodev->func[1]);
- ret = brcmf_sdcard_send_pkt(bus->sdiodev, bus->sdiodev->sbwad,
- SDIO_FUNC_2, F2SYNC, pktq);
+ ret = brcmf_sdiod_send_pkt(bus->sdiodev, pktq);
bus->sdcnt.f2txdata++;
if (ret < 0) {
ret);
bus->sdcnt.tx_sderrs++;
- brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
- SFC_WF_TERM, NULL);
+ brcmf_sdiod_abort(bus->sdiodev, SDIO_FUNC_2);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
+ SFC_WF_TERM, NULL);
bus->sdcnt.f1regdata++;
for (i = 0; i < 3; i++) {
u8 hi, lo;
- hi = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_WFRAMEBCHI, NULL);
- lo = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_WFRAMEBCLO, NULL);
+ hi = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_WFRAMEBCHI, NULL);
+ lo = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_WFRAMEBCLO, NULL);
bus->sdcnt.f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
return ret;
}
-static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes)
+static uint brcmf_sdio_sendfromq(struct brcmf_sdio *bus, uint maxframes)
{
struct sk_buff *pkt;
struct sk_buff_head pktq;
if (i == 0)
break;
- ret = brcmf_sdbrcm_txpkt(bus, &pktq, SDPCM_DATA_CHANNEL);
+ ret = brcmf_sdio_txpkt(bus, &pktq, SDPCM_DATA_CHANNEL);
cnt += i;
/* In poll mode, need to check for other events */
return cnt;
}
-static void brcmf_sdbrcm_bus_stop(struct device *dev)
+static void brcmf_sdio_bus_stop(struct device *dev)
{
u32 local_hostintmask;
u8 saveclk;
bus->watchdog_tsk = NULL;
}
- sdio_claim_host(bus->sdiodev->func[1]);
-
- /* Enable clock for device interrupts */
- brcmf_sdbrcm_bus_sleep(bus, false, false);
+ if (bus_if->state == BRCMF_BUS_DOWN) {
+ sdio_claim_host(sdiodev->func[1]);
+
+ /* Enable clock for device interrupts */
+ brcmf_sdio_bus_sleep(bus, false, false);
+
+ /* Disable and clear interrupts at the chip level also */
+ w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask));
+ local_hostintmask = bus->hostintmask;
+ bus->hostintmask = 0;
+
+ /* Force backplane clocks to assure F2 interrupt propagates */
+ saveclk = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ &err);
+ if (!err)
+ brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ (saveclk | SBSDIO_FORCE_HT), &err);
+ if (err)
+ brcmf_err("Failed to force clock for F2: err %d\n",
+ err);
- /* Disable and clear interrupts at the chip level also */
- w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask));
- local_hostintmask = bus->hostintmask;
- bus->hostintmask = 0;
+ /* Turn off the bus (F2), free any pending packets */
+ brcmf_dbg(INTR, "disable SDIO interrupts\n");
+ sdio_disable_func(sdiodev->func[SDIO_FUNC_2]);
- /* Change our idea of bus state */
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
+ /* Clear any pending interrupts now that F2 is disabled */
+ w_sdreg32(bus, local_hostintmask,
+ offsetof(struct sdpcmd_regs, intstatus));
- /* Force clocks on backplane to be sure F2 interrupt propagates */
- saveclk = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_CHIPCLKCSR, &err);
- if (!err) {
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- (saveclk | SBSDIO_FORCE_HT), &err);
+ sdio_release_host(sdiodev->func[1]);
}
- if (err)
- brcmf_err("Failed to force clock for F2: err %d\n", err);
-
- /* Turn off the bus (F2), free any pending packets */
- brcmf_dbg(INTR, "disable SDIO interrupts\n");
- sdio_disable_func(bus->sdiodev->func[SDIO_FUNC_2]);
-
- /* Clear any pending interrupts now that F2 is disabled */
- w_sdreg32(bus, local_hostintmask,
- offsetof(struct sdpcmd_regs, intstatus));
-
- /* Turn off the backplane clock (only) */
- brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false);
- sdio_release_host(bus->sdiodev->func[1]);
-
/* Clear the data packet queues */
brcmu_pktq_flush(&bus->txq, true, NULL, NULL);
/* Clear any held glomming stuff */
if (bus->glomd)
brcmu_pkt_buf_free_skb(bus->glomd);
- brcmf_sdbrcm_free_glom(bus);
+ brcmf_sdio_free_glom(bus);
/* Clear rx control and wake any waiters */
spin_lock_bh(&bus->rxctl_lock);
bus->rxlen = 0;
spin_unlock_bh(&bus->rxctl_lock);
- brcmf_sdbrcm_dcmd_resp_wake(bus);
+ brcmf_sdio_dcmd_resp_wake(bus);
/* Reset some F2 state stuff */
bus->rxskip = false;
bus->tx_seq = bus->rx_seq = 0;
}
-static inline void brcmf_sdbrcm_clrintr(struct brcmf_sdio *bus)
+static inline void brcmf_sdio_clrintr(struct brcmf_sdio *bus)
{
unsigned long flags;
addr = bus->ci->c_inf[idx].base +
offsetof(struct sdpcmd_regs, intstatus);
- val = brcmf_sdio_regrl(bus->sdiodev, addr, &ret);
+ val = brcmf_sdiod_regrl(bus->sdiodev, addr, &ret);
bus->sdcnt.f1regdata++;
if (ret != 0)
val = 0;
/* Clear interrupts */
if (val) {
- brcmf_sdio_regwl(bus->sdiodev, addr, val, &ret);
+ brcmf_sdiod_regwl(bus->sdiodev, addr, val, &ret);
bus->sdcnt.f1regdata++;
}
return ret;
}
-static void brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
+static void brcmf_sdio_dpc(struct brcmf_sdio *bus)
{
u32 newstatus = 0;
unsigned long intstatus;
#ifdef DEBUG
/* Check for inconsistent device control */
- devctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_DEVICE_CTL, &err);
- if (err) {
- brcmf_err("error reading DEVCTL: %d\n", err);
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
- }
+ devctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_DEVICE_CTL, &err);
#endif /* DEBUG */
/* Read CSR, if clock on switch to AVAIL, else ignore */
- clkctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_CHIPCLKCSR, &err);
- if (err) {
- brcmf_err("error reading CSR: %d\n",
- err);
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
- }
+ clkctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
brcmf_dbg(SDIO, "DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n",
devctl, clkctl);
if (SBSDIO_HTAV(clkctl)) {
- devctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_DEVICE_CTL, &err);
- if (err) {
- brcmf_err("error reading DEVCTL: %d\n",
- err);
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
- }
+ devctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_DEVICE_CTL, &err);
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
- devctl, &err);
- if (err) {
- brcmf_err("error writing DEVCTL: %d\n",
- err);
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
- }
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL,
+ devctl, &err);
bus->clkstate = CLK_AVAIL;
}
}
/* Make sure backplane clock is on */
- brcmf_sdbrcm_bus_sleep(bus, false, true);
+ brcmf_sdio_bus_sleep(bus, false, true);
/* Pending interrupt indicates new device status */
if (atomic_read(&bus->ipend) > 0) {
/* Handle host mailbox indication */
if (intstatus & I_HMB_HOST_INT) {
intstatus &= ~I_HMB_HOST_INT;
- intstatus |= brcmf_sdbrcm_hostmail(bus);
+ intstatus |= brcmf_sdio_hostmail(bus);
}
sdio_release_host(bus->sdiodev->func[1]);
set_bit(n, (unsigned long *)&bus->intstatus.counter);
}
- brcmf_sdbrcm_clrintr(bus);
+ brcmf_sdio_clrintr(bus);
if (data_ok(bus) && bus->ctrl_frame_stat &&
(bus->clkstate == CLK_AVAIL)) {
int i;
sdio_claim_host(bus->sdiodev->func[1]);
- err = brcmf_sdcard_send_buf(bus->sdiodev, bus->sdiodev->sbwad,
- SDIO_FUNC_2, F2SYNC, bus->ctrl_frame_buf,
- (u32) bus->ctrl_frame_len);
+ err = brcmf_sdiod_send_buf(bus->sdiodev, bus->ctrl_frame_buf,
+ (u32)bus->ctrl_frame_len);
if (err < 0) {
/* On failure, abort the command and
err);
bus->sdcnt.tx_sderrs++;
- brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
+ brcmf_sdiod_abort(bus->sdiodev, SDIO_FUNC_2);
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
- SFC_WF_TERM, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
+ SFC_WF_TERM, &err);
bus->sdcnt.f1regdata++;
for (i = 0; i < 3; i++) {
u8 hi, lo;
- hi = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_WFRAMEBCHI,
- &err);
- lo = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_WFRAMEBCLO,
- &err);
+ hi = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_WFRAMEBCHI,
+ &err);
+ lo = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_WFRAMEBCLO,
+ &err);
bus->sdcnt.f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
}
sdio_release_host(bus->sdiodev->func[1]);
bus->ctrl_frame_stat = false;
- brcmf_sdbrcm_wait_event_wakeup(bus);
+ brcmf_sdio_wait_event_wakeup(bus);
}
/* Send queued frames (limit 1 if rx may still be pending) */
else if ((bus->clkstate == CLK_AVAIL) && !atomic_read(&bus->fcstate) &&
&& data_ok(bus)) {
framecnt = bus->rxpending ? min(txlimit, bus->txminmax) :
txlimit;
- framecnt = brcmf_sdbrcm_sendfromq(bus, framecnt);
+ framecnt = brcmf_sdio_sendfromq(bus, framecnt);
txlimit -= framecnt;
}
- if ((bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) || (err != 0)) {
+ if (!brcmf_bus_ready(bus->sdiodev->bus_if) || (err != 0)) {
brcmf_err("failed backplane access over SDIO, halting operation\n");
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
atomic_set(&bus->intstatus, 0);
} else if (atomic_read(&bus->intstatus) ||
atomic_read(&bus->ipend) > 0 ||
bus->activity = false;
brcmf_dbg(SDIO, "idle state\n");
sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_bus_sleep(bus, true, false);
+ brcmf_sdio_bus_sleep(bus, true, false);
sdio_release_host(bus->sdiodev->func[1]);
}
}
-static struct pktq *brcmf_sdbrcm_bus_gettxq(struct device *dev)
+static struct pktq *brcmf_sdio_bus_gettxq(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
return &bus->txq;
}
-static int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt)
+static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt)
{
int ret = -EBADE;
uint datalen, prec;
#ifdef DEBUG
#define CONSOLE_LINE_MAX 192
-static int brcmf_sdbrcm_readconsole(struct brcmf_sdio *bus)
+static int brcmf_sdio_readconsole(struct brcmf_sdio *bus)
{
struct brcmf_console *c = &bus->console;
u8 line[CONSOLE_LINE_MAX], ch;
/* Read console log struct */
addr = bus->console_addr + offsetof(struct rte_console, log_le);
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, (u8 *)&c->log_le,
- sizeof(c->log_le));
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, (u8 *)&c->log_le,
+ sizeof(c->log_le));
if (rv < 0)
return rv;
/* Read the console buffer */
addr = le32_to_cpu(c->log_le.buf);
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, c->buf, c->bufsize);
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, c->buf, c->bufsize);
if (rv < 0)
return rv;
}
#endif /* DEBUG */
-static int brcmf_tx_frame(struct brcmf_sdio *bus, u8 *frame, u16 len)
+static int brcmf_sdio_tx_frame(struct brcmf_sdio *bus, u8 *frame, u16 len)
{
int i;
int ret;
bus->ctrl_frame_stat = false;
- ret = brcmf_sdcard_send_buf(bus->sdiodev, bus->sdiodev->sbwad,
- SDIO_FUNC_2, F2SYNC, frame, len);
+ ret = brcmf_sdiod_send_buf(bus->sdiodev, frame, len);
if (ret < 0) {
/* On failure, abort the command and terminate the frame */
ret);
bus->sdcnt.tx_sderrs++;
- brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
+ brcmf_sdiod_abort(bus->sdiodev, SDIO_FUNC_2);
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
- SFC_WF_TERM, NULL);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
+ SFC_WF_TERM, NULL);
bus->sdcnt.f1regdata++;
for (i = 0; i < 3; i++) {
u8 hi, lo;
- hi = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_WFRAMEBCHI, NULL);
- lo = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_WFRAMEBCLO, NULL);
+ hi = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_WFRAMEBCHI, NULL);
+ lo = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_WFRAMEBCLO, NULL);
bus->sdcnt.f1regdata += 2;
if (hi == 0 && lo == 0)
break;
}
static int
-brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen)
+brcmf_sdio_bus_txctl(struct device *dev, unsigned char *msg, uint msglen)
{
u8 *frame;
u16 len, pad;
/* Make sure backplane clock is on */
sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_bus_sleep(bus, false, false);
+ brcmf_sdio_bus_sleep(bus, false, false);
sdio_release_host(bus->sdiodev->func[1]);
hd_info.len = (u16)msglen;
do {
sdio_claim_host(bus->sdiodev->func[1]);
- ret = brcmf_tx_frame(bus, frame, len);
+ ret = brcmf_sdio_tx_frame(bus, frame, len);
sdio_release_host(bus->sdiodev->func[1]);
} while (ret < 0 && retries++ < TXRETRIES);
}
bus->activity = false;
sdio_claim_host(bus->sdiodev->func[1]);
brcmf_dbg(INFO, "idle\n");
- brcmf_sdbrcm_clkctl(bus, CLK_NONE, true);
+ brcmf_sdio_clkctl(bus, CLK_NONE, true);
sdio_release_host(bus->sdiodev->func[1]);
}
* address of sdpcm_shared structure
*/
sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_bus_sleep(bus, false, false);
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, shaddr, (u8 *)&addr_le, 4);
+ brcmf_sdio_bus_sleep(bus, false, false);
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, shaddr, (u8 *)&addr_le, 4);
sdio_release_host(bus->sdiodev->func[1]);
if (rv < 0)
return rv;
}
/* Read hndrte_shared structure */
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr, (u8 *)&sh_le,
- sizeof(struct sdpcm_shared_le));
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, (u8 *)&sh_le,
+ sizeof(struct sdpcm_shared_le));
if (rv < 0)
return rv;
/* obtain console information from device memory */
addr = sh->console_addr + offsetof(struct rte_console, log_le);
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr,
- (u8 *)&sh_val, sizeof(u32));
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr,
+ (u8 *)&sh_val, sizeof(u32));
if (rv < 0)
return rv;
console_ptr = le32_to_cpu(sh_val);
addr = sh->console_addr + offsetof(struct rte_console, log_le.buf_size);
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr,
- (u8 *)&sh_val, sizeof(u32));
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr,
+ (u8 *)&sh_val, sizeof(u32));
if (rv < 0)
return rv;
console_size = le32_to_cpu(sh_val);
addr = sh->console_addr + offsetof(struct rte_console, log_le.idx);
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, addr,
- (u8 *)&sh_val, sizeof(u32));
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr,
+ (u8 *)&sh_val, sizeof(u32));
if (rv < 0)
return rv;
console_index = le32_to_cpu(sh_val);
/* obtain the console data from device */
conbuf[console_size] = '\0';
- rv = brcmf_sdio_ramrw(bus->sdiodev, false, console_ptr, (u8 *)conbuf,
- console_size);
+ rv = brcmf_sdiod_ramrw(bus->sdiodev, false, console_ptr, (u8 *)conbuf,
+ console_size);
if (rv < 0)
goto done;
return 0;
}
- error = brcmf_sdio_ramrw(bus->sdiodev, false, sh->trap_addr, (u8 *)&tr,
- sizeof(struct brcmf_trap_info));
+ error = brcmf_sdiod_ramrw(bus->sdiodev, false, sh->trap_addr, (u8 *)&tr,
+ sizeof(struct brcmf_trap_info));
if (error < 0)
return error;
sdio_claim_host(bus->sdiodev->func[1]);
if (sh->assert_file_addr != 0) {
- error = brcmf_sdio_ramrw(bus->sdiodev, false,
- sh->assert_file_addr, (u8 *)file, 80);
+ error = brcmf_sdiod_ramrw(bus->sdiodev, false,
+ sh->assert_file_addr, (u8 *)file, 80);
if (error < 0)
return error;
}
if (sh->assert_exp_addr != 0) {
- error = brcmf_sdio_ramrw(bus->sdiodev, false,
- sh->assert_exp_addr, (u8 *)expr, 80);
+ error = brcmf_sdiod_ramrw(bus->sdiodev, false,
+ sh->assert_exp_addr, (u8 *)expr, 80);
if (error < 0)
return error;
}
return simple_read_from_buffer(data, count, &pos, buf, res);
}
-static int brcmf_sdbrcm_checkdied(struct brcmf_sdio *bus)
+static int brcmf_sdio_checkdied(struct brcmf_sdio *bus)
{
int error;
struct sdpcm_shared sh;
return 0;
}
-static int brcmf_sdbrcm_died_dump(struct brcmf_sdio *bus, char __user *data,
- size_t count, loff_t *ppos)
+static int brcmf_sdio_died_dump(struct brcmf_sdio *bus, char __user *data,
+ size_t count, loff_t *ppos)
{
int error = 0;
struct sdpcm_shared sh;
struct brcmf_sdio *bus = f->private_data;
int res;
- res = brcmf_sdbrcm_died_dump(bus, data, count, ppos);
+ res = brcmf_sdio_died_dump(bus, data, count, ppos);
if (res > 0)
*ppos += res;
return (ssize_t)res;
brcmf_debugfs_create_sdio_count(drvr, &bus->sdcnt);
}
#else
-static int brcmf_sdbrcm_checkdied(struct brcmf_sdio *bus)
+static int brcmf_sdio_checkdied(struct brcmf_sdio *bus)
{
return 0;
}
#endif /* DEBUG */
static int
-brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen)
+brcmf_sdio_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen)
{
int timeleft;
uint rxlen = 0;
brcmf_dbg(TRACE, "Enter\n");
/* Wait until control frame is available */
- timeleft = brcmf_sdbrcm_dcmd_resp_wait(bus, &bus->rxlen, &pending);
+ timeleft = brcmf_sdio_dcmd_resp_wait(bus, &bus->rxlen, &pending);
spin_lock_bh(&bus->rxctl_lock);
rxlen = bus->rxlen;
rxlen, msglen);
} else if (timeleft == 0) {
brcmf_err("resumed on timeout\n");
- brcmf_sdbrcm_checkdied(bus);
+ brcmf_sdio_checkdied(bus);
} else if (pending) {
brcmf_dbg(CTL, "cancelled\n");
return -ERESTARTSYS;
} else {
brcmf_dbg(CTL, "resumed for unknown reason?\n");
- brcmf_sdbrcm_checkdied(bus);
+ brcmf_sdio_checkdied(bus);
}
if (rxlen)
return rxlen ? (int)rxlen : -ETIMEDOUT;
}
-static bool brcmf_sdbrcm_download_state(struct brcmf_sdio *bus, bool enter)
+#ifdef DEBUG
+static bool
+brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr,
+ u8 *ram_data, uint ram_sz)
{
- struct chip_info *ci = bus->ci;
-
- /* To enter download state, disable ARM and reset SOCRAM.
- * To exit download state, simply reset ARM (default is RAM boot).
- */
- if (enter) {
- bus->alp_only = true;
-
- brcmf_sdio_chip_enter_download(bus->sdiodev, ci);
- } else {
- if (!brcmf_sdio_chip_exit_download(bus->sdiodev, ci, bus->vars,
- bus->varsz))
- return false;
+ char *ram_cmp;
+ int err;
+ bool ret = true;
+ int address;
+ int offset;
+ int len;
- /* Allow HT Clock now that the ARM is running. */
- bus->alp_only = false;
+ /* read back and verify */
+ brcmf_dbg(INFO, "Compare RAM dl & ul at 0x%08x; size=%d\n", ram_addr,
+ ram_sz);
+ ram_cmp = kmalloc(MEMBLOCK, GFP_KERNEL);
+ /* do not proceed while no memory but */
+ if (!ram_cmp)
+ return true;
- bus->sdiodev->bus_if->state = BRCMF_BUS_LOAD;
+ address = ram_addr;
+ offset = 0;
+ while (offset < ram_sz) {
+ len = ((offset + MEMBLOCK) < ram_sz) ? MEMBLOCK :
+ ram_sz - offset;
+ err = brcmf_sdiod_ramrw(sdiodev, false, address, ram_cmp, len);
+ if (err) {
+ brcmf_err("error %d on reading %d membytes at 0x%08x\n",
+ err, len, address);
+ ret = false;
+ break;
+ } else if (memcmp(ram_cmp, &ram_data[offset], len)) {
+ brcmf_err("Downloaded RAM image is corrupted, block offset is %d, len is %d\n",
+ offset, len);
+ ret = false;
+ break;
+ }
+ offset += len;
+ address += len;
}
+ kfree(ram_cmp);
+
+ return ret;
+}
+#else /* DEBUG */
+static bool
+brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr,
+ u8 *ram_data, uint ram_sz)
+{
return true;
}
+#endif /* DEBUG */
-static int brcmf_sdbrcm_download_code_file(struct brcmf_sdio *bus)
+static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus,
+ const struct firmware *fw)
{
- const struct firmware *fw;
int err;
int offset;
int address;
int len;
- fw = brcmf_sdbrcm_get_fw(bus, BRCMF_FIRMWARE_BIN);
- if (fw == NULL)
- return -ENOENT;
-
- if (brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_ARM_CR4) !=
- BRCMF_MAX_CORENUM)
- memcpy(&bus->ci->rst_vec, fw->data, sizeof(bus->ci->rst_vec));
+ brcmf_dbg(TRACE, "Enter\n");
err = 0;
offset = 0;
while (offset < fw->size) {
len = ((offset + MEMBLOCK) < fw->size) ? MEMBLOCK :
fw->size - offset;
- err = brcmf_sdio_ramrw(bus->sdiodev, true, address,
- (u8 *)&fw->data[offset], len);
+ err = brcmf_sdiod_ramrw(bus->sdiodev, true, address,
+ (u8 *)&fw->data[offset], len);
if (err) {
brcmf_err("error %d on writing %d membytes at 0x%08x\n",
err, len, address);
- goto failure;
+ return err;
}
offset += len;
address += len;
}
-
-failure:
- release_firmware(fw);
+ if (!err)
+ if (!brcmf_sdio_verifymemory(bus->sdiodev, bus->ci->rambase,
+ (u8 *)fw->data, fw->size))
+ err = -EIO;
return err;
}
-/*
- * ProcessVars:Takes a buffer of "<var>=<value>\n" lines read from a file
- * and ending in a NUL.
- * Removes carriage returns, empty lines, comment lines, and converts
- * newlines to NULs.
- * Shortens buffer as needed and pads with NULs. End of buffer is marked
- * by two NULs.
-*/
-
-static int brcmf_process_nvram_vars(struct brcmf_sdio *bus,
- const struct firmware *nv)
+static int brcmf_sdio_download_nvram(struct brcmf_sdio *bus,
+ const struct firmware *nv)
{
- char *varbuf;
- char *dp;
- bool findNewline;
- int column;
- int ret = 0;
- uint buf_len, n, len;
-
- len = nv->size;
- varbuf = vmalloc(len);
- if (!varbuf)
- return -ENOMEM;
-
- memcpy(varbuf, nv->data, len);
- dp = varbuf;
-
- findNewline = false;
- column = 0;
-
- for (n = 0; n < len; n++) {
- if (varbuf[n] == 0)
- break;
- if (varbuf[n] == '\r')
- continue;
- if (findNewline && varbuf[n] != '\n')
- continue;
- findNewline = false;
- if (varbuf[n] == '#') {
- findNewline = true;
- continue;
- }
- if (varbuf[n] == '\n') {
- if (column == 0)
- continue;
- *dp++ = 0;
- column = 0;
- continue;
- }
- *dp++ = varbuf[n];
- column++;
- }
- buf_len = dp - varbuf;
- while (dp < varbuf + n)
- *dp++ = 0;
-
- kfree(bus->vars);
- /* roundup needed for download to device */
- bus->varsz = roundup(buf_len + 1, 4);
- bus->vars = kmalloc(bus->varsz, GFP_KERNEL);
- if (bus->vars == NULL) {
- bus->varsz = 0;
- ret = -ENOMEM;
- goto err;
- }
+ void *vars;
+ u32 varsz;
+ int address;
+ int err;
- /* copy the processed variables and add null termination */
- memcpy(bus->vars, varbuf, buf_len);
- bus->vars[buf_len] = 0;
-err:
- vfree(varbuf);
- return ret;
-}
+ brcmf_dbg(TRACE, "Enter\n");
-static int brcmf_sdbrcm_download_nvram(struct brcmf_sdio *bus)
-{
- const struct firmware *nv;
- int ret;
+ vars = brcmf_nvram_strip(nv, &varsz);
- nv = brcmf_sdbrcm_get_fw(bus, BRCMF_FIRMWARE_NVRAM);
- if (nv == NULL)
- return -ENOENT;
+ if (vars == NULL)
+ return -EINVAL;
- ret = brcmf_process_nvram_vars(bus, nv);
+ address = bus->ci->ramsize - varsz + bus->ci->rambase;
+ err = brcmf_sdiod_ramrw(bus->sdiodev, true, address, vars, varsz);
+ if (err)
+ brcmf_err("error %d on writing %d nvram bytes at 0x%08x\n",
+ err, varsz, address);
+ else if (!brcmf_sdio_verifymemory(bus->sdiodev, address, vars, varsz))
+ err = -EIO;
- release_firmware(nv);
+ brcmf_nvram_free(vars);
- return ret;
+ return err;
}
-static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
+static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus)
{
- int bcmerror = -1;
+ int bcmerror = -EFAULT;
+ const struct firmware *fw;
+ u32 rstvec;
+
+ sdio_claim_host(bus->sdiodev->func[1]);
+ brcmf_sdio_clkctl(bus, CLK_AVAIL, false);
/* Keep arm in reset */
- if (!brcmf_sdbrcm_download_state(bus, true)) {
- brcmf_err("error placing ARM core in reset\n");
+ brcmf_sdio_chip_enter_download(bus->sdiodev, bus->ci);
+
+ fw = brcmf_sdio_get_fw(bus, BRCMF_FIRMWARE_BIN);
+ if (fw == NULL) {
+ bcmerror = -ENOENT;
goto err;
}
- if (brcmf_sdbrcm_download_code_file(bus)) {
+ rstvec = get_unaligned_le32(fw->data);
+ brcmf_dbg(SDIO, "firmware rstvec: %x\n", rstvec);
+
+ bcmerror = brcmf_sdio_download_code_file(bus, fw);
+ release_firmware(fw);
+ if (bcmerror) {
brcmf_err("dongle image file download failed\n");
goto err;
}
- if (brcmf_sdbrcm_download_nvram(bus)) {
+ fw = brcmf_sdio_get_fw(bus, BRCMF_FIRMWARE_NVRAM);
+ if (fw == NULL) {
+ bcmerror = -ENOENT;
+ goto err;
+ }
+
+ bcmerror = brcmf_sdio_download_nvram(bus, fw);
+ release_firmware(fw);
+ if (bcmerror) {
brcmf_err("dongle nvram file download failed\n");
goto err;
}
/* Take arm out of reset */
- if (!brcmf_sdbrcm_download_state(bus, false)) {
+ if (!brcmf_sdio_chip_exit_download(bus->sdiodev, bus->ci, rstvec)) {
brcmf_err("error getting out of ARM core reset\n");
goto err;
}
+ /* Allow HT Clock now that the ARM is running. */
+ brcmf_bus_change_state(bus->sdiodev->bus_if, BRCMF_BUS_LOAD);
bcmerror = 0;
err:
+ brcmf_sdio_clkctl(bus, CLK_SDONLY, false);
+ sdio_release_host(bus->sdiodev->func[1]);
return bcmerror;
}
-static bool brcmf_sdbrcm_sr_capable(struct brcmf_sdio *bus)
+static bool brcmf_sdio_sr_capable(struct brcmf_sdio *bus)
{
- u32 addr, reg;
+ u32 addr, reg, pmu_cc3_mask = ~0;
+ int err;
brcmf_dbg(TRACE, "Enter\n");
if (bus->ci->pmurev < 17)
return false;
- /* read PMU chipcontrol register 3*/
- addr = CORE_CC_REG(bus->ci->c_inf[0].base, chipcontrol_addr);
- brcmf_sdio_regwl(bus->sdiodev, addr, 3, NULL);
- addr = CORE_CC_REG(bus->ci->c_inf[0].base, chipcontrol_data);
- reg = brcmf_sdio_regrl(bus->sdiodev, addr, NULL);
+ switch (bus->ci->chip) {
+ case BCM43241_CHIP_ID:
+ case BCM4335_CHIP_ID:
+ case BCM4339_CHIP_ID:
+ /* read PMU chipcontrol register 3 */
+ addr = CORE_CC_REG(bus->ci->c_inf[0].base, chipcontrol_addr);
+ brcmf_sdiod_regwl(bus->sdiodev, addr, 3, NULL);
+ addr = CORE_CC_REG(bus->ci->c_inf[0].base, chipcontrol_data);
+ reg = brcmf_sdiod_regrl(bus->sdiodev, addr, NULL);
+ return (reg & pmu_cc3_mask) != 0;
+ default:
+ addr = CORE_CC_REG(bus->ci->c_inf[0].base, pmucapabilities_ext);
+ reg = brcmf_sdiod_regrl(bus->sdiodev, addr, &err);
+ if ((reg & PCAPEXT_SR_SUPPORTED_MASK) == 0)
+ return false;
- return (bool)reg;
+ addr = CORE_CC_REG(bus->ci->c_inf[0].base, retention_ctl);
+ reg = brcmf_sdiod_regrl(bus->sdiodev, addr, NULL);
+ return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK |
+ PMU_RCTL_LOGIC_DISABLE_MASK)) == 0;
+ }
}
-static void brcmf_sdbrcm_sr_init(struct brcmf_sdio *bus)
+static void brcmf_sdio_sr_init(struct brcmf_sdio *bus)
{
int err = 0;
u8 val;
brcmf_dbg(TRACE, "Enter\n");
- val = brcmf_sdio_regrb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL,
- &err);
+ val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, &err);
if (err) {
brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n");
return;
}
val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT;
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL,
- val, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, val, &err);
if (err) {
brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n");
return;
}
/* Add CMD14 Support */
- brcmf_sdio_regwb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP,
- (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
- SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT),
- &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP,
+ (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
+ SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT),
+ &err);
if (err) {
brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n");
return;
}
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- SBSDIO_FORCE_HT, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ SBSDIO_FORCE_HT, &err);
if (err) {
brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n");
return;
}
/* enable KSO bit */
-static int brcmf_sdbrcm_kso_init(struct brcmf_sdio *bus)
+static int brcmf_sdio_kso_init(struct brcmf_sdio *bus)
{
u8 val;
int err = 0;
if (bus->ci->c_inf[1].rev < 12)
return 0;
- val = brcmf_sdio_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
- &err);
+ val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, &err);
if (err) {
brcmf_err("error reading SBSDIO_FUNC1_SLEEPCSR\n");
return err;
if (!(val & SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) {
val |= (SBSDIO_FUNC1_SLEEPCSR_KSO_EN <<
SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT);
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
- val, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR,
+ val, &err);
if (err) {
brcmf_err("error writing SBSDIO_FUNC1_SLEEPCSR\n");
return err;
}
-static bool
-brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
-{
- bool ret;
-
- sdio_claim_host(bus->sdiodev->func[1]);
-
- brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
-
- ret = _brcmf_sdbrcm_download_firmware(bus) == 0;
-
- brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false);
-
- sdio_release_host(bus->sdiodev->func[1]);
-
- return ret;
-}
-
-static int brcmf_sdbrcm_bus_preinit(struct device *dev)
+static int brcmf_sdio_bus_preinit(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
return err;
}
-static int brcmf_sdbrcm_bus_init(struct device *dev)
+static int brcmf_sdio_bus_init(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
/* try to download image and nvram to the dongle */
if (bus_if->state == BRCMF_BUS_DOWN) {
- if (!(brcmf_sdbrcm_download_firmware(bus)))
- return -1;
+ bus->alp_only = true;
+ err = brcmf_sdio_download_firmware(bus);
+ if (err)
+ return err;
+ bus->alp_only = false;
}
if (!bus->sdiodev->bus_if->drvr)
/* Start the watchdog timer */
bus->sdcnt.tickcnt = 0;
- brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS);
sdio_claim_host(bus->sdiodev->func[1]);
/* Make sure backplane clock is on, needed to generate F2 interrupt */
- brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+ brcmf_sdio_clkctl(bus, CLK_AVAIL, false);
if (bus->clkstate != CLK_AVAIL)
goto exit;
/* Force clocks on backplane to be sure F2 interrupt propagates */
- saveclk = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_CHIPCLKCSR, &err);
+ saveclk = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (!err) {
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- (saveclk | SBSDIO_FORCE_HT), &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ (saveclk | SBSDIO_FORCE_HT), &err);
}
if (err) {
brcmf_err("Failed to force clock for F2: err %d\n", err);
w_sdreg32(bus, bus->hostintmask,
offsetof(struct sdpcmd_regs, hostintmask));
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_WATERMARK, 8, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_WATERMARK, 8, &err);
} else {
/* Disable F2 again */
sdio_disable_func(bus->sdiodev->func[SDIO_FUNC_2]);
ret = -ENODEV;
}
- if (brcmf_sdbrcm_sr_capable(bus)) {
- brcmf_sdbrcm_sr_init(bus);
+ if (brcmf_sdio_sr_capable(bus)) {
+ brcmf_sdio_sr_init(bus);
} else {
/* Restore previous clock setting */
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- saveclk, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ saveclk, &err);
}
if (ret == 0) {
- ret = brcmf_sdio_intr_register(bus->sdiodev);
+ ret = brcmf_sdiod_intr_register(bus->sdiodev);
if (ret != 0)
brcmf_err("intr register failed:%d\n", ret);
}
/* If we didn't come up, turn off backplane clock */
- if (bus_if->state != BRCMF_BUS_DATA)
- brcmf_sdbrcm_clkctl(bus, CLK_NONE, false);
+ if (ret != 0)
+ brcmf_sdio_clkctl(bus, CLK_NONE, false);
exit:
sdio_release_host(bus->sdiodev->func[1]);
return ret;
}
-void brcmf_sdbrcm_isr(void *arg)
+void brcmf_sdio_isr(struct brcmf_sdio *bus)
{
- struct brcmf_sdio *bus = (struct brcmf_sdio *) arg;
-
brcmf_dbg(TRACE, "Enter\n");
if (!bus) {
return;
}
- if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) {
+ if (!brcmf_bus_ready(bus->sdiodev->bus_if)) {
brcmf_err("bus is down. we have nothing to do\n");
return;
}
else
if (brcmf_sdio_intr_rstatus(bus)) {
brcmf_err("failed backplane access\n");
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
/* Disable additional interrupts (is this needed now)? */
queue_work(bus->brcmf_wq, &bus->datawork);
}
-static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus)
+static bool brcmf_sdio_bus_watchdog(struct brcmf_sdio *bus)
{
#ifdef DEBUG
struct brcmf_bus *bus_if = dev_get_drvdata(bus->sdiodev->dev);
u8 devpend;
sdio_claim_host(bus->sdiodev->func[1]);
- devpend = brcmf_sdio_regrb(bus->sdiodev,
- SDIO_CCCR_INTx,
- NULL);
+ devpend = brcmf_sdiod_regrb(bus->sdiodev,
+ SDIO_CCCR_INTx,
+ NULL);
sdio_release_host(bus->sdiodev->func[1]);
intstatus =
devpend & (INTR_STATUS_FUNC1 |
bus->console.count -= bus->console_interval;
sdio_claim_host(bus->sdiodev->func[1]);
/* Make sure backplane clock is on */
- brcmf_sdbrcm_bus_sleep(bus, false, false);
- if (brcmf_sdbrcm_readconsole(bus) < 0)
+ brcmf_sdio_bus_sleep(bus, false, false);
+ if (brcmf_sdio_readconsole(bus) < 0)
/* stop on error */
bus->console_interval = 0;
sdio_release_host(bus->sdiodev->func[1]);
bus->idlecount = 0;
if (bus->activity) {
bus->activity = false;
- brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS);
} else {
brcmf_dbg(SDIO, "idle\n");
sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_bus_sleep(bus, true, false);
+ brcmf_sdio_bus_sleep(bus, true, false);
sdio_release_host(bus->sdiodev->func[1]);
}
}
datawork);
while (atomic_read(&bus->dpc_tskcnt)) {
- brcmf_sdbrcm_dpc(bus);
+ brcmf_sdio_dpc(bus);
atomic_dec(&bus->dpc_tskcnt);
}
}
-static void brcmf_sdbrcm_release_malloc(struct brcmf_sdio *bus)
-{
- brcmf_dbg(TRACE, "Enter\n");
-
- kfree(bus->rxbuf);
- bus->rxctl = bus->rxbuf = NULL;
- bus->rxlen = 0;
-}
-
-static bool brcmf_sdbrcm_probe_malloc(struct brcmf_sdio *bus)
-{
- brcmf_dbg(TRACE, "Enter\n");
-
- if (bus->sdiodev->bus_if->maxctl) {
- bus->rxblen =
- roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN),
- ALIGNMENT) + bus->head_align;
- bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC);
- if (!(bus->rxbuf))
- return false;
- }
-
- return true;
-}
-
static bool
-brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva)
+brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
{
u8 clkctl = 0;
int err = 0;
u32 reg_val;
u32 drivestrength;
- bus->alp_only = true;
-
sdio_claim_host(bus->sdiodev->func[1]);
pr_debug("F1 signature read @0x18000000=0x%4x\n",
- brcmf_sdio_regrl(bus->sdiodev, SI_ENUM_BASE, NULL));
+ brcmf_sdiod_regrl(bus->sdiodev, SI_ENUM_BASE, NULL));
/*
* Force PLL off until brcmf_sdio_chip_attach()
* programs PLL control regs
*/
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- BRCMF_INIT_CLKCTL1, &err);
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
+ BRCMF_INIT_CLKCTL1, &err);
if (!err)
- clkctl = brcmf_sdio_regrb(bus->sdiodev,
- SBSDIO_FUNC1_CHIPCLKCSR, &err);
+ clkctl = brcmf_sdiod_regrb(bus->sdiodev,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (err || ((clkctl & ~SBSDIO_AVBITS) != BRCMF_INIT_CLKCTL1)) {
brcmf_err("ChipClkCSR access: err %d wrote 0x%02x read 0x%02x\n",
goto fail;
}
- if (brcmf_sdio_chip_attach(bus->sdiodev, &bus->ci, regsva)) {
+ /* SDIO register access works so moving
+ * state from UNKNOWN to DOWN.
+ */
+ brcmf_bus_change_state(bus->sdiodev->bus_if, BRCMF_BUS_DOWN);
+
+ if (brcmf_sdio_chip_attach(bus->sdiodev, &bus->ci)) {
brcmf_err("brcmf_sdio_chip_attach failed!\n");
goto fail;
}
- if (brcmf_sdbrcm_kso_init(bus)) {
+ if (brcmf_sdio_kso_init(bus)) {
brcmf_err("error enabling KSO\n");
goto fail;
}
}
/* Set card control so an SDIO card reset does a WLAN backplane reset */
- reg_val = brcmf_sdio_regrb(bus->sdiodev,
- SDIO_CCCR_BRCM_CARDCTRL, &err);
+ reg_val = brcmf_sdiod_regrb(bus->sdiodev,
+ SDIO_CCCR_BRCM_CARDCTRL, &err);
if (err)
goto fail;
reg_val |= SDIO_CCCR_BRCM_CARDCTRL_WLANRESET;
- brcmf_sdio_regwb(bus->sdiodev,
- SDIO_CCCR_BRCM_CARDCTRL, reg_val, &err);
+ brcmf_sdiod_regwb(bus->sdiodev,
+ SDIO_CCCR_BRCM_CARDCTRL, reg_val, &err);
if (err)
goto fail;
/* set PMUControl so a backplane reset does PMU state reload */
reg_addr = CORE_CC_REG(bus->ci->c_inf[0].base,
pmucontrol);
- reg_val = brcmf_sdio_regrl(bus->sdiodev,
- reg_addr,
- &err);
+ reg_val = brcmf_sdiod_regrl(bus->sdiodev,
+ reg_addr,
+ &err);
if (err)
goto fail;
reg_val |= (BCMA_CC_PMU_CTL_RES_RELOAD << BCMA_CC_PMU_CTL_RES_SHIFT);
- brcmf_sdio_regwl(bus->sdiodev,
- reg_addr,
- reg_val,
- &err);
+ brcmf_sdiod_regwl(bus->sdiodev,
+ reg_addr,
+ reg_val,
+ &err);
if (err)
goto fail;
return false;
}
-static bool brcmf_sdbrcm_probe_init(struct brcmf_sdio *bus)
-{
- brcmf_dbg(TRACE, "Enter\n");
-
- sdio_claim_host(bus->sdiodev->func[1]);
-
- /* Disable F2 to clear any intermediate frame state on the dongle */
- sdio_disable_func(bus->sdiodev->func[SDIO_FUNC_2]);
-
- bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
- bus->rxflow = false;
-
- /* Done with backplane-dependent accesses, can drop clock... */
- brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
-
- sdio_release_host(bus->sdiodev->func[1]);
-
- /* ...and initialize clock/power states */
- bus->clkstate = CLK_SDONLY;
- bus->idletime = BRCMF_IDLE_INTERVAL;
- bus->idleclock = BRCMF_IDLE_ACTIVE;
-
- /* Query the F2 block size, set roundup accordingly */
- bus->blocksize = bus->sdiodev->func[2]->cur_blksize;
- bus->roundup = min(max_roundup, bus->blocksize);
-
- /* SR state */
- bus->sleeping = false;
- bus->sr_enabled = false;
-
- return true;
-}
-
static int
-brcmf_sdbrcm_watchdog_thread(void *data)
+brcmf_sdio_watchdog_thread(void *data)
{
struct brcmf_sdio *bus = (struct brcmf_sdio *)data;
if (kthread_should_stop())
break;
if (!wait_for_completion_interruptible(&bus->watchdog_wait)) {
- brcmf_sdbrcm_bus_watchdog(bus);
+ brcmf_sdio_bus_watchdog(bus);
/* Count the tick for reference */
bus->sdcnt.tickcnt++;
} else
}
static void
-brcmf_sdbrcm_watchdog(unsigned long data)
+brcmf_sdio_watchdog(unsigned long data)
{
struct brcmf_sdio *bus = (struct brcmf_sdio *)data;
}
}
-static void brcmf_sdbrcm_release_dongle(struct brcmf_sdio *bus)
-{
- brcmf_dbg(TRACE, "Enter\n");
-
- if (bus->ci) {
- sdio_claim_host(bus->sdiodev->func[1]);
- brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
- brcmf_sdbrcm_clkctl(bus, CLK_NONE, false);
- sdio_release_host(bus->sdiodev->func[1]);
- brcmf_sdio_chip_detach(&bus->ci);
- if (bus->vars && bus->varsz)
- kfree(bus->vars);
- bus->vars = NULL;
- }
-
- brcmf_dbg(TRACE, "Disconnected\n");
-}
-
-/* Detach and free everything */
-static void brcmf_sdbrcm_release(struct brcmf_sdio *bus)
-{
- brcmf_dbg(TRACE, "Enter\n");
-
- if (bus) {
- /* De-register interrupt handler */
- brcmf_sdio_intr_unregister(bus->sdiodev);
-
- cancel_work_sync(&bus->datawork);
- if (bus->brcmf_wq)
- destroy_workqueue(bus->brcmf_wq);
-
- if (bus->sdiodev->bus_if->drvr) {
- brcmf_detach(bus->sdiodev->dev);
- brcmf_sdbrcm_release_dongle(bus);
- }
-
- brcmu_pkt_buf_free_skb(bus->txglom_sgpad);
- brcmf_sdbrcm_release_malloc(bus);
- kfree(bus->hdrbuf);
- kfree(bus);
- }
-
- brcmf_dbg(TRACE, "Disconnected\n");
-}
-
static struct brcmf_bus_ops brcmf_sdio_bus_ops = {
- .stop = brcmf_sdbrcm_bus_stop,
- .preinit = brcmf_sdbrcm_bus_preinit,
- .init = brcmf_sdbrcm_bus_init,
- .txdata = brcmf_sdbrcm_bus_txdata,
- .txctl = brcmf_sdbrcm_bus_txctl,
- .rxctl = brcmf_sdbrcm_bus_rxctl,
- .gettxq = brcmf_sdbrcm_bus_gettxq,
+ .stop = brcmf_sdio_bus_stop,
+ .preinit = brcmf_sdio_bus_preinit,
+ .init = brcmf_sdio_bus_init,
+ .txdata = brcmf_sdio_bus_txdata,
+ .txctl = brcmf_sdio_bus_txctl,
+ .rxctl = brcmf_sdio_bus_rxctl,
+ .gettxq = brcmf_sdio_bus_gettxq,
};
-void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev)
+struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
{
int ret;
struct brcmf_sdio *bus;
brcmf_dbg(TRACE, "Enter\n");
- /* We make an assumption about address window mappings:
- * regsva == SI_ENUM_BASE*/
-
/* Allocate private bus interface state */
bus = kzalloc(sizeof(struct brcmf_sdio), GFP_ATOMIC);
if (!bus)
}
/* attempt to attach to the dongle */
- if (!(brcmf_sdbrcm_probe_attach(bus, regsva))) {
- brcmf_err("brcmf_sdbrcm_probe_attach failed\n");
+ if (!(brcmf_sdio_probe_attach(bus))) {
+ brcmf_err("brcmf_sdio_probe_attach failed\n");
goto fail;
}
/* Set up the watchdog timer */
init_timer(&bus->timer);
bus->timer.data = (unsigned long)bus;
- bus->timer.function = brcmf_sdbrcm_watchdog;
+ bus->timer.function = brcmf_sdio_watchdog;
/* Initialize watchdog thread */
init_completion(&bus->watchdog_wait);
- bus->watchdog_tsk = kthread_run(brcmf_sdbrcm_watchdog_thread,
+ bus->watchdog_tsk = kthread_run(brcmf_sdio_watchdog_thread,
bus, "brcmf_watchdog");
if (IS_ERR(bus->watchdog_tsk)) {
pr_warn("brcmf_watchdog thread failed to start\n");
}
/* Allocate buffers */
- if (!(brcmf_sdbrcm_probe_malloc(bus))) {
- brcmf_err("brcmf_sdbrcm_probe_malloc failed\n");
- goto fail;
+ if (bus->sdiodev->bus_if->maxctl) {
+ bus->rxblen =
+ roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN),
+ ALIGNMENT) + bus->head_align;
+ bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC);
+ if (!(bus->rxbuf)) {
+ brcmf_err("rxbuf allocation failed\n");
+ goto fail;
+ }
}
- if (!(brcmf_sdbrcm_probe_init(bus))) {
- brcmf_err("brcmf_sdbrcm_probe_init failed\n");
- goto fail;
- }
+ sdio_claim_host(bus->sdiodev->func[1]);
+
+ /* Disable F2 to clear any intermediate frame state on the dongle */
+ sdio_disable_func(bus->sdiodev->func[SDIO_FUNC_2]);
+
+ bus->rxflow = false;
+
+ /* Done with backplane-dependent accesses, can drop clock... */
+ brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
+
+ sdio_release_host(bus->sdiodev->func[1]);
+
+ /* ...and initialize clock/power states */
+ bus->clkstate = CLK_SDONLY;
+ bus->idletime = BRCMF_IDLE_INTERVAL;
+ bus->idleclock = BRCMF_IDLE_ACTIVE;
+
+ /* Query the F2 block size, set roundup accordingly */
+ bus->blocksize = bus->sdiodev->func[2]->cur_blksize;
+ bus->roundup = min(max_roundup, bus->blocksize);
+
+ /* SR state */
+ bus->sleeping = false;
+ bus->sr_enabled = false;
brcmf_sdio_debugfs_create(bus);
brcmf_dbg(INFO, "completed!!\n");
return bus;
fail:
- brcmf_sdbrcm_release(bus);
+ brcmf_sdio_remove(bus);
return NULL;
}
-void brcmf_sdbrcm_disconnect(void *ptr)
+/* Detach and free everything */
+void brcmf_sdio_remove(struct brcmf_sdio *bus)
{
- struct brcmf_sdio *bus = (struct brcmf_sdio *)ptr;
-
brcmf_dbg(TRACE, "Enter\n");
- if (bus)
- brcmf_sdbrcm_release(bus);
+ if (bus) {
+ /* De-register interrupt handler */
+ brcmf_sdiod_intr_unregister(bus->sdiodev);
+
+ cancel_work_sync(&bus->datawork);
+ if (bus->brcmf_wq)
+ destroy_workqueue(bus->brcmf_wq);
+
+ if (bus->sdiodev->bus_if->drvr) {
+ brcmf_detach(bus->sdiodev->dev);
+ }
+
+ if (bus->ci) {
+ if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) {
+ sdio_claim_host(bus->sdiodev->func[1]);
+ brcmf_sdio_clkctl(bus, CLK_AVAIL, false);
+ /* Leave the device in state where it is
+ * 'quiet'. This is done by putting it in
+ * download_state which essentially resets
+ * all necessary cores.
+ */
+ msleep(20);
+ brcmf_sdio_chip_enter_download(bus->sdiodev,
+ bus->ci);
+ brcmf_sdio_clkctl(bus, CLK_NONE, false);
+ sdio_release_host(bus->sdiodev->func[1]);
+ }
+ brcmf_sdio_chip_detach(&bus->ci);
+ }
+
+ brcmu_pkt_buf_free_skb(bus->txglom_sgpad);
+ kfree(bus->rxbuf);
+ kfree(bus->hdrbuf);
+ kfree(bus);
+ }
brcmf_dbg(TRACE, "Disconnected\n");
}
-void
-brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick)
+void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick)
{
/* Totally stop the timer */
if (!wdtick && bus->wd_timer_valid) {
}
/* don't start the wd until fw is loaded */
- if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN)
+ if (bus->sdiodev->bus_if->state != BRCMF_BUS_DATA)
return;
if (wdtick) {